@prefix : <http://josd.github.io/eye/reasoning/4color#>.
@prefix list: <http://www.w3.org/2000/10/swap/list#>.
@prefix e: <http://eulersharp.sourceforge.net/2003/03swap/log-rules#>.
@prefix func: <http://www.w3.org/2007/rif-builtin-function#>.
@prefix r: <http://www.w3.org/2000/10/swap/reason#>.
@prefix var: <http://josd.github.io/var#>.
@prefix skolem: <http://josd.github.io/.well-known/genid/3917894951695475063#>.
@prefix n3: <http://www.w3.org/2004/06/rei#>.

skolem:proof a r:Proof, r:Conjunction;
  r:component skolem:lemma1;
  r:component skolem:lemma2;
  r:gives {
    ((:United_Kingdom :blue) (:Sweden :blue) (:Spain :blue) (:Slovenia :yellow) (:Slovakia :blue) (:Romania :blue) (:Portugal :red) (:Poland :red) (:Netherlands :green) (:Malta :red) (:Luxemburg :yellow) (:Lithuania :blue) (:Latvia :green) (:Italy :blue) (:Ireland :red) (:Hungary :green) (:Greece :green) (:Germany :blue) (:France :green) (:Finland :green) (:Estonia :red) (:Denmark :red) (:Czech_Republic :green) (:Cyprus :red) (:Croatia :red) (:Bulgaria :red) (:Belgium :red) (:Austria :red)) :coloring true.
    ((:United_Kingdom :yellow) (:Sweden :blue) (:Spain :blue) (:Slovenia :yellow) (:Slovakia :blue) (:Romania :blue) (:Portugal :red) (:Poland :red) (:Netherlands :green) (:Malta :red) (:Luxemburg :yellow) (:Lithuania :blue) (:Latvia :green) (:Italy :blue) (:Ireland :red) (:Hungary :green) (:Greece :green) (:Germany :blue) (:France :green) (:Finland :green) (:Estonia :red) (:Denmark :red) (:Czech_Republic :green) (:Cyprus :red) (:Croatia :red) (:Bulgaria :red) (:Belgium :red) (:Austria :red)) :coloring true.
  }.

skolem:lemma1 a r:Inference;
  r:gives {
    ((:United_Kingdom :blue) (:Sweden :blue) (:Spain :blue) (:Slovenia :yellow) (:Slovakia :blue) (:Romania :blue) (:Portugal :red) (:Poland :red) (:Netherlands :green) (:Malta :red) (:Luxemburg :yellow) (:Lithuania :blue) (:Latvia :green) (:Italy :blue) (:Ireland :red) (:Hungary :green) (:Greece :green) (:Germany :blue) (:France :green) (:Finland :green) (:Estonia :red) (:Denmark :red) (:Czech_Republic :green) (:Cyprus :red) (:Croatia :red) (:Bulgaria :red) (:Belgium :red) (:Austria :red)) :coloring true.
  };
  r:evidence (
    [ a r:Fact; r:gives {((<http://josd.github.io/eye/reasoning/4color/4color_data.n3> <http://josd.github.io/eye/reasoning/4color/4color_rules.n3>) 1) e:findall ((_:sk_0 _:sk_1) {_:sk_0 :neighbours _:sk_2} ((:Austria :red) (:Belgium :red) (:Bulgaria :red) (:Croatia :red) (:Cyprus :red) (:Czech_Republic :green) (:Denmark :red) (:Estonia :red) (:Finland :green) (:France :green) (:Germany :blue) (:Greece :green) (:Hungary :green) (:Ireland :red) (:Italy :blue) (:Latvia :green) (:Lithuania :blue) (:Luxemburg :yellow) (:Malta :red) (:Netherlands :green) (:Poland :red) (:Portugal :red) (:Romania :blue) (:Slovakia :blue) (:Slovenia :yellow) (:Spain :blue) (:Sweden :blue) (:United_Kingdom :blue)))}]
    [ a r:Fact; r:gives {(((:Austria :red) (:Belgium :red) (:Bulgaria :red) (:Croatia :red) (:Cyprus :red) (:Czech_Republic :green) (:Denmark :red) (:Estonia :red) (:Finland :green) (:France :green) (:Germany :blue) (:Greece :green) (:Hungary :green) (:Ireland :red) (:Italy :blue) (:Latvia :green) (:Lithuania :blue) (:Luxemburg :yellow) (:Malta :red) (:Netherlands :green) (:Poland :red) (:Portugal :red) (:Romania :blue) (:Slovakia :blue) (:Slovenia :yellow) (:Spain :blue) (:Sweden :blue) (:United_Kingdom :blue))) func:reverse ((:United_Kingdom :blue) (:Sweden :blue) (:Spain :blue) (:Slovenia :yellow) (:Slovakia :blue) (:Romania :blue) (:Portugal :red) (:Poland :red) (:Netherlands :green) (:Malta :red) (:Luxemburg :yellow) (:Lithuania :blue) (:Latvia :green) (:Italy :blue) (:Ireland :red) (:Hungary :green) (:Greece :green) (:Germany :blue) (:France :green) (:Finland :green) (:Estonia :red) (:Denmark :red) (:Czech_Republic :green) (:Cyprus :red) (:Croatia :red) (:Bulgaria :red) (:Belgium :red) (:Austria :red))}]
    skolem:lemma3
  );
  r:binding [ r:variable [ n3:uri "http://josd.github.io/var#x_0"]; r:boundTo ((<http://josd.github.io/eye/reasoning/4color/4color_data.n3> <http://josd.github.io/eye/reasoning/4color/4color_rules.n3>) 1)];
  r:binding [ r:variable [ n3:uri "http://josd.github.io/var#x_1"]; r:boundTo [ a r:Existential; n3:nodeId "_:sk_0"]];
  r:binding [ r:variable [ n3:uri "http://josd.github.io/var#x_2"]; r:boundTo [ a r:Existential; n3:nodeId "_:sk_1"]];
  r:binding [ r:variable [ n3:uri "http://josd.github.io/var#x_3"]; r:boundTo [ a r:Existential; n3:nodeId "_:sk_2"]];
  r:binding [ r:variable [ n3:uri "http://josd.github.io/var#x_4"]; r:boundTo ((:Austria :red) (:Belgium :red) (:Bulgaria :red) (:Croatia :red) (:Cyprus :red) (:Czech_Republic :green) (:Denmark :red) (:Estonia :red) (:Finland :green) (:France :green) (:Germany :blue) (:Greece :green) (:Hungary :green) (:Ireland :red) (:Italy :blue) (:Latvia :green) (:Lithuania :blue) (:Luxemburg :yellow) (:Malta :red) (:Netherlands :green) (:Poland :red) (:Portugal :red) (:Romania :blue) (:Slovakia :blue) (:Slovenia :yellow) (:Spain :blue) (:Sweden :blue) (:United_Kingdom :blue))];
  r:binding [ r:variable [ n3:uri "http://josd.github.io/var#x_5"]; r:boundTo ((:United_Kingdom :blue) (:Sweden :blue) (:Spain :blue) (:Slovenia :yellow) (:Slovakia :blue) (:Romania :blue) (:Portugal :red) (:Poland :red) (:Netherlands :green) (:Malta :red) (:Luxemburg :yellow) (:Lithuania :blue) (:Latvia :green) (:Italy :blue) (:Ireland :red) (:Hungary :green) (:Greece :green) (:Germany :blue) (:France :green) (:Finland :green) (:Estonia :red) (:Denmark :red) (:Czech_Republic :green) (:Cyprus :red) (:Croatia :red) (:Bulgaria :red) (:Belgium :red) (:Austria :red))];
  r:rule skolem:lemma4.

skolem:lemma2 a r:Inference;
  r:gives {
    ((:United_Kingdom :yellow) (:Sweden :blue) (:Spain :blue) (:Slovenia :yellow) (:Slovakia :blue) (:Romania :blue) (:Portugal :red) (:Poland :red) (:Netherlands :green) (:Malta :red) (:Luxemburg :yellow) (:Lithuania :blue) (:Latvia :green) (:Italy :blue) (:Ireland :red) (:Hungary :green) (:Greece :green) (:Germany :blue) (:France :green) (:Finland :green) (:Estonia :red) (:Denmark :red) (:Czech_Republic :green) (:Cyprus :red) (:Croatia :red) (:Bulgaria :red) (:Belgium :red) (:Austria :red)) :coloring true.
  };
  r:evidence (
    [ a r:Fact; r:gives {((<http://josd.github.io/eye/reasoning/4color/4color_data.n3> <http://josd.github.io/eye/reasoning/4color/4color_rules.n3>) 1) e:findall ((_:sk_3 _:sk_4) {_:sk_3 :neighbours _:sk_5} ((:Austria :red) (:Belgium :red) (:Bulgaria :red) (:Croatia :red) (:Cyprus :red) (:Czech_Republic :green) (:Denmark :red) (:Estonia :red) (:Finland :green) (:France :green) (:Germany :blue) (:Greece :green) (:Hungary :green) (:Ireland :red) (:Italy :blue) (:Latvia :green) (:Lithuania :blue) (:Luxemburg :yellow) (:Malta :red) (:Netherlands :green) (:Poland :red) (:Portugal :red) (:Romania :blue) (:Slovakia :blue) (:Slovenia :yellow) (:Spain :blue) (:Sweden :blue) (:United_Kingdom :yellow)))}]
    [ a r:Fact; r:gives {(((:Austria :red) (:Belgium :red) (:Bulgaria :red) (:Croatia :red) (:Cyprus :red) (:Czech_Republic :green) (:Denmark :red) (:Estonia :red) (:Finland :green) (:France :green) (:Germany :blue) (:Greece :green) (:Hungary :green) (:Ireland :red) (:Italy :blue) (:Latvia :green) (:Lithuania :blue) (:Luxemburg :yellow) (:Malta :red) (:Netherlands :green) (:Poland :red) (:Portugal :red) (:Romania :blue) (:Slovakia :blue) (:Slovenia :yellow) (:Spain :blue) (:Sweden :blue) (:United_Kingdom :yellow))) func:reverse ((:United_Kingdom :yellow) (:Sweden :blue) (:Spain :blue) (:Slovenia :yellow) (:Slovakia :blue) (:Romania :blue) (:Portugal :red) (:Poland :red) (:Netherlands :green) (:Malta :red) (:Luxemburg :yellow) (:Lithuania :blue) (:Latvia :green) (:Italy :blue) (:Ireland :red) (:Hungary :green) (:Greece :green) (:Germany :blue) (:France :green) (:Finland :green) (:Estonia :red) (:Denmark :red) (:Czech_Republic :green) (:Cyprus :red) (:Croatia :red) (:Bulgaria :red) (:Belgium :red) (:Austria :red))}]
    skolem:lemma5
  );
  r:binding [ r:variable [ n3:uri "http://josd.github.io/var#x_0"]; r:boundTo ((<http://josd.github.io/eye/reasoning/4color/4color_data.n3> <http://josd.github.io/eye/reasoning/4color/4color_rules.n3>) 1)];
  r:binding [ r:variable [ n3:uri "http://josd.github.io/var#x_1"]; r:boundTo [ a r:Existential; n3:nodeId "_:sk_3"]];
  r:binding [ r:variable [ n3:uri "http://josd.github.io/var#x_2"]; r:boundTo [ a r:Existential; n3:nodeId "_:sk_4"]];
  r:binding [ r:variable [ n3:uri "http://josd.github.io/var#x_3"]; r:boundTo [ a r:Existential; n3:nodeId "_:sk_5"]];
  r:binding [ r:variable [ n3:uri "http://josd.github.io/var#x_4"]; r:boundTo ((:Austria :red) (:Belgium :red) (:Bulgaria :red) (:Croatia :red) (:Cyprus :red) (:Czech_Republic :green) (:Denmark :red) (:Estonia :red) (:Finland :green) (:France :green) (:Germany :blue) (:Greece :green) (:Hungary :green) (:Ireland :red) (:Italy :blue) (:Latvia :green) (:Lithuania :blue) (:Luxemburg :yellow) (:Malta :red) (:Netherlands :green) (:Poland :red) (:Portugal :red) (:Romania :blue) (:Slovakia :blue) (:Slovenia :yellow) (:Spain :blue) (:Sweden :blue) (:United_Kingdom :yellow))];
  r:binding [ r:variable [ n3:uri "http://josd.github.io/var#x_5"]; r:boundTo ((:United_Kingdom :yellow) (:Sweden :blue) (:Spain :blue) (:Slovenia :yellow) (:Slovakia :blue) (:Romania :blue) (:Portugal :red) (:Poland :red) (:Netherlands :green) (:Malta :red) (:Luxemburg :yellow) (:Lithuania :blue) (:Latvia :green) (:Italy :blue) (:Ireland :red) (:Hungary :green) (:Greece :green) (:Germany :blue) (:France :green) (:Finland :green) (:Estonia :red) (:Denmark :red) (:Czech_Republic :green) (:Cyprus :red) (:Croatia :red) (:Bulgaria :red) (:Belgium :red) (:Austria :red))];
  r:rule skolem:lemma4.

skolem:lemma3 a r:Inference;
  r:gives {
    ((:United_Kingdom :blue) (:Sweden :blue) (:Spain :blue) (:Slovenia :yellow) (:Slovakia :blue) (:Romania :blue) (:Portugal :red) (:Poland :red) (:Netherlands :green) (:Malta :red) (:Luxemburg :yellow) (:Lithuania :blue) (:Latvia :green) (:Italy :blue) (:Ireland :red) (:Hungary :green) (:Greece :green) (:Germany :blue) (:France :green) (:Finland :green) (:Estonia :red) (:Denmark :red) (:Czech_Republic :green) (:Cyprus :red) (:Croatia :red) (:Bulgaria :red) (:Belgium :red) (:Austria :red)) :places true.
  };
  r:evidence (
    [ a r:Fact; r:gives {((:United_Kingdom :blue) (:Sweden :blue) (:Spain :blue) (:Slovenia :yellow) (:Slovakia :blue) (:Romania :blue) (:Portugal :red) (:Poland :red) (:Netherlands :green) (:Malta :red) (:Luxemburg :yellow) (:Lithuania :blue) (:Latvia :green) (:Italy :blue) (:Ireland :red) (:Hungary :green) (:Greece :green) (:Germany :blue) (:France :green) (:Finland :green) (:Estonia :red) (:Denmark :red) (:Czech_Republic :green) (:Cyprus :red) (:Croatia :red) (:Bulgaria :red) (:Belgium :red) (:Austria :red)) e:firstRest ((:United_Kingdom :blue) ((:Sweden :blue) (:Spain :blue) (:Slovenia :yellow) (:Slovakia :blue) (:Romania :blue) (:Portugal :red) (:Poland :red) (:Netherlands :green) (:Malta :red) (:Luxemburg :yellow) (:Lithuania :blue) (:Latvia :green) (:Italy :blue) (:Ireland :red) (:Hungary :green) (:Greece :green) (:Germany :blue) (:France :green) (:Finland :green) (:Estonia :red) (:Denmark :red) (:Czech_Republic :green) (:Cyprus :red) (:Croatia :red) (:Bulgaria :red) (:Belgium :red) (:Austria :red)))}]
    skolem:lemma6
    skolem:lemma7
    [ a r:Fact; r:gives {(:red :green :blue :yellow) list:member :blue}]
    [ a r:Fact; r:gives {((<http://josd.github.io/eye/reasoning/4color/4color_data.n3> <http://josd.github.io/eye/reasoning/4color/4color_rules.n3>) 1) e:fail {((:Sweden :blue) (:Spain :blue) (:Slovenia :yellow) (:Slovakia :blue) (:Romania :blue) (:Portugal :red) (:Poland :red) (:Netherlands :green) (:Malta :red) (:Luxemburg :yellow) (:Lithuania :blue) (:Latvia :green) (:Italy :blue) (:Ireland :red) (:Hungary :green) (:Greece :green) (:Germany :blue) (:France :green) (:Finland :green) (:Estonia :red) (:Denmark :red) (:Czech_Republic :green) (:Cyprus :red) (:Croatia :red) (:Bulgaria :red) (:Belgium :red) (:Austria :red)) list:member (_:sk_0 :blue).
     (:Ireland :Netherlands :Belgium :France) list:member _:sk_0}}]
  );
  r:binding [ r:variable [ n3:uri "http://josd.github.io/var#x_0"]; r:boundTo ((:United_Kingdom :blue) (:Sweden :blue) (:Spain :blue) (:Slovenia :yellow) (:Slovakia :blue) (:Romania :blue) (:Portugal :red) (:Poland :red) (:Netherlands :green) (:Malta :red) (:Luxemburg :yellow) (:Lithuania :blue) (:Latvia :green) (:Italy :blue) (:Ireland :red) (:Hungary :green) (:Greece :green) (:Germany :blue) (:France :green) (:Finland :green) (:Estonia :red) (:Denmark :red) (:Czech_Republic :green) (:Cyprus :red) (:Croatia :red) (:Bulgaria :red) (:Belgium :red) (:Austria :red))];
  r:binding [ r:variable [ n3:uri "http://josd.github.io/var#x_1"]; r:boundTo [ n3:uri "http://josd.github.io/eye/reasoning/4color#United_Kingdom"]];
  r:binding [ r:variable [ n3:uri "http://josd.github.io/var#x_2"]; r:boundTo [ n3:uri "http://josd.github.io/eye/reasoning/4color#blue"]];
  r:binding [ r:variable [ n3:uri "http://josd.github.io/var#x_3"]; r:boundTo ((:Sweden :blue) (:Spain :blue) (:Slovenia :yellow) (:Slovakia :blue) (:Romania :blue) (:Portugal :red) (:Poland :red) (:Netherlands :green) (:Malta :red) (:Luxemburg :yellow) (:Lithuania :blue) (:Latvia :green) (:Italy :blue) (:Ireland :red) (:Hungary :green) (:Greece :green) (:Germany :blue) (:France :green) (:Finland :green) (:Estonia :red) (:Denmark :red) (:Czech_Republic :green) (:Cyprus :red) (:Croatia :red) (:Bulgaria :red) (:Belgium :red) (:Austria :red))];
  r:binding [ r:variable [ n3:uri "http://josd.github.io/var#x_4"]; r:boundTo (:Ireland :Netherlands :Belgium :France)];
  r:binding [ r:variable [ n3:uri "http://josd.github.io/var#x_5"]; r:boundTo ((<http://josd.github.io/eye/reasoning/4color/4color_data.n3> <http://josd.github.io/eye/reasoning/4color/4color_rules.n3>) 1)];
  r:binding [ r:variable [ n3:uri "http://josd.github.io/var#x_6"]; r:boundTo [ a r:Existential; n3:nodeId "_:sk_0"]];
  r:rule skolem:lemma8.

skolem:lemma4 a r:Extraction;
  r:gives {
    @forAll var:x_0, var:x_1, var:x_2, var:x_3, var:x_4, var:x_5. {var:x_0 e:findall ((var:x_1 var:x_2) {var:x_1 :neighbours var:x_3} var:x_4).
     (var:x_4) func:reverse var:x_5.
     var:x_5 :places true} => {var:x_5 :coloring true}.
  };
  r:because [ a r:Parsing; r:source <http://josd.github.io/eye/reasoning/4color/4color_query.n3>].

skolem:lemma5 a r:Inference;
  r:gives {
    ((:United_Kingdom :yellow) (:Sweden :blue) (:Spain :blue) (:Slovenia :yellow) (:Slovakia :blue) (:Romania :blue) (:Portugal :red) (:Poland :red) (:Netherlands :green) (:Malta :red) (:Luxemburg :yellow) (:Lithuania :blue) (:Latvia :green) (:Italy :blue) (:Ireland :red) (:Hungary :green) (:Greece :green) (:Germany :blue) (:France :green) (:Finland :green) (:Estonia :red) (:Denmark :red) (:Czech_Republic :green) (:Cyprus :red) (:Croatia :red) (:Bulgaria :red) (:Belgium :red) (:Austria :red)) :places true.
  };
  r:evidence (
    [ a r:Fact; r:gives {((:United_Kingdom :yellow) (:Sweden :blue) (:Spain :blue) (:Slovenia :yellow) (:Slovakia :blue) (:Romania :blue) (:Portugal :red) (:Poland :red) (:Netherlands :green) (:Malta :red) (:Luxemburg :yellow) (:Lithuania :blue) (:Latvia :green) (:Italy :blue) (:Ireland :red) (:Hungary :green) (:Greece :green) (:Germany :blue) (:France :green) (:Finland :green) (:Estonia :red) (:Denmark :red) (:Czech_Republic :green) (:Cyprus :red) (:Croatia :red) (:Bulgaria :red) (:Belgium :red) (:Austria :red)) e:firstRest ((:United_Kingdom :yellow) ((:Sweden :blue) (:Spain :blue) (:Slovenia :yellow) (:Slovakia :blue) (:Romania :blue) (:Portugal :red) (:Poland :red) (:Netherlands :green) (:Malta :red) (:Luxemburg :yellow) (:Lithuania :blue) (:Latvia :green) (:Italy :blue) (:Ireland :red) (:Hungary :green) (:Greece :green) (:Germany :blue) (:France :green) (:Finland :green) (:Estonia :red) (:Denmark :red) (:Czech_Republic :green) (:Cyprus :red) (:Croatia :red) (:Bulgaria :red) (:Belgium :red) (:Austria :red)))}]
    skolem:lemma6
    skolem:lemma7
    [ a r:Fact; r:gives {(:red :green :blue :yellow) list:member :yellow}]
    [ a r:Fact; r:gives {((<http://josd.github.io/eye/reasoning/4color/4color_data.n3> <http://josd.github.io/eye/reasoning/4color/4color_rules.n3>) 1) e:fail {((:Sweden :blue) (:Spain :blue) (:Slovenia :yellow) (:Slovakia :blue) (:Romania :blue) (:Portugal :red) (:Poland :red) (:Netherlands :green) (:Malta :red) (:Luxemburg :yellow) (:Lithuania :blue) (:Latvia :green) (:Italy :blue) (:Ireland :red) (:Hungary :green) (:Greece :green) (:Germany :blue) (:France :green) (:Finland :green) (:Estonia :red) (:Denmark :red) (:Czech_Republic :green) (:Cyprus :red) (:Croatia :red) (:Bulgaria :red) (:Belgium :red) (:Austria :red)) list:member (_:sk_0 :yellow).
     (:Ireland :Netherlands :Belgium :France) list:member _:sk_0}}]
  );
  r:binding [ r:variable [ n3:uri "http://josd.github.io/var#x_0"]; r:boundTo ((:United_Kingdom :yellow) (:Sweden :blue) (:Spain :blue) (:Slovenia :yellow) (:Slovakia :blue) (:Romania :blue) (:Portugal :red) (:Poland :red) (:Netherlands :green) (:Malta :red) (:Luxemburg :yellow) (:Lithuania :blue) (:Latvia :green) (:Italy :blue) (:Ireland :red) (:Hungary :green) (:Greece :green) (:Germany :blue) (:France :green) (:Finland :green) (:Estonia :red) (:Denmark :red) (:Czech_Republic :green) (:Cyprus :red) (:Croatia :red) (:Bulgaria :red) (:Belgium :red) (:Austria :red))];
  r:binding [ r:variable [ n3:uri "http://josd.github.io/var#x_1"]; r:boundTo [ n3:uri "http://josd.github.io/eye/reasoning/4color#United_Kingdom"]];
  r:binding [ r:variable [ n3:uri "http://josd.github.io/var#x_2"]; r:boundTo [ n3:uri "http://josd.github.io/eye/reasoning/4color#yellow"]];
  r:binding [ r:variable [ n3:uri "http://josd.github.io/var#x_3"]; r:boundTo ((:Sweden :blue) (:Spain :blue) (:Slovenia :yellow) (:Slovakia :blue) (:Romania :blue) (:Portugal :red) (:Poland :red) (:Netherlands :green) (:Malta :red) (:Luxemburg :yellow) (:Lithuania :blue) (:Latvia :green) (:Italy :blue) (:Ireland :red) (:Hungary :green) (:Greece :green) (:Germany :blue) (:France :green) (:Finland :green) (:Estonia :red) (:Denmark :red) (:Czech_Republic :green) (:Cyprus :red) (:Croatia :red) (:Bulgaria :red) (:Belgium :red) (:Austria :red))];
  r:binding [ r:variable [ n3:uri "http://josd.github.io/var#x_4"]; r:boundTo (:Ireland :Netherlands :Belgium :France)];
  r:binding [ r:variable [ n3:uri "http://josd.github.io/var#x_5"]; r:boundTo ((<http://josd.github.io/eye/reasoning/4color/4color_data.n3> <http://josd.github.io/eye/reasoning/4color/4color_rules.n3>) 1)];
  r:binding [ r:variable [ n3:uri "http://josd.github.io/var#x_6"]; r:boundTo [ a r:Existential; n3:nodeId "_:sk_0"]];
  r:rule skolem:lemma8.

skolem:lemma6 a r:Inference;
  r:gives {
    ((:Sweden :blue) (:Spain :blue) (:Slovenia :yellow) (:Slovakia :blue) (:Romania :blue) (:Portugal :red) (:Poland :red) (:Netherlands :green) (:Malta :red) (:Luxemburg :yellow) (:Lithuania :blue) (:Latvia :green) (:Italy :blue) (:Ireland :red) (:Hungary :green) (:Greece :green) (:Germany :blue) (:France :green) (:Finland :green) (:Estonia :red) (:Denmark :red) (:Czech_Republic :green) (:Cyprus :red) (:Croatia :red) (:Bulgaria :red) (:Belgium :red) (:Austria :red)) :places true.
  };
  r:evidence (
    [ a r:Fact; r:gives {((:Sweden :blue) (:Spain :blue) (:Slovenia :yellow) (:Slovakia :blue) (:Romania :blue) (:Portugal :red) (:Poland :red) (:Netherlands :green) (:Malta :red) (:Luxemburg :yellow) (:Lithuania :blue) (:Latvia :green) (:Italy :blue) (:Ireland :red) (:Hungary :green) (:Greece :green) (:Germany :blue) (:France :green) (:Finland :green) (:Estonia :red) (:Denmark :red) (:Czech_Republic :green) (:Cyprus :red) (:Croatia :red) (:Bulgaria :red) (:Belgium :red) (:Austria :red)) e:firstRest ((:Sweden :blue) ((:Spain :blue) (:Slovenia :yellow) (:Slovakia :blue) (:Romania :blue) (:Portugal :red) (:Poland :red) (:Netherlands :green) (:Malta :red) (:Luxemburg :yellow) (:Lithuania :blue) (:Latvia :green) (:Italy :blue) (:Ireland :red) (:Hungary :green) (:Greece :green) (:Germany :blue) (:France :green) (:Finland :green) (:Estonia :red) (:Denmark :red) (:Czech_Republic :green) (:Cyprus :red) (:Croatia :red) (:Bulgaria :red) (:Belgium :red) (:Austria :red)))}]
    skolem:lemma9
    skolem:lemma10
    [ a r:Fact; r:gives {(:red :green :blue :yellow) list:member :blue}]
    [ a r:Fact; r:gives {((<http://josd.github.io/eye/reasoning/4color/4color_data.n3> <http://josd.github.io/eye/reasoning/4color/4color_rules.n3>) 1) e:fail {((:Spain :blue) (:Slovenia :yellow) (:Slovakia :blue) (:Romania :blue) (:Portugal :red) (:Poland :red) (:Netherlands :green) (:Malta :red) (:Luxemburg :yellow) (:Lithuania :blue) (:Latvia :green) (:Italy :blue) (:Ireland :red) (:Hungary :green) (:Greece :green) (:Germany :blue) (:France :green) (:Finland :green) (:Estonia :red) (:Denmark :red) (:Czech_Republic :green) (:Cyprus :red) (:Croatia :red) (:Bulgaria :red) (:Belgium :red) (:Austria :red)) list:member (_:sk_0 :blue).
     (:Finland :Denmark) list:member _:sk_0}}]
  );
  r:binding [ r:variable [ n3:uri "http://josd.github.io/var#x_0"]; r:boundTo ((:Sweden :blue) (:Spain :blue) (:Slovenia :yellow) (:Slovakia :blue) (:Romania :blue) (:Portugal :red) (:Poland :red) (:Netherlands :green) (:Malta :red) (:Luxemburg :yellow) (:Lithuania :blue) (:Latvia :green) (:Italy :blue) (:Ireland :red) (:Hungary :green) (:Greece :green) (:Germany :blue) (:France :green) (:Finland :green) (:Estonia :red) (:Denmark :red) (:Czech_Republic :green) (:Cyprus :red) (:Croatia :red) (:Bulgaria :red) (:Belgium :red) (:Austria :red))];
  r:binding [ r:variable [ n3:uri "http://josd.github.io/var#x_1"]; r:boundTo [ n3:uri "http://josd.github.io/eye/reasoning/4color#Sweden"]];
  r:binding [ r:variable [ n3:uri "http://josd.github.io/var#x_2"]; r:boundTo [ n3:uri "http://josd.github.io/eye/reasoning/4color#blue"]];
  r:binding [ r:variable [ n3:uri "http://josd.github.io/var#x_3"]; r:boundTo ((:Spain :blue) (:Slovenia :yellow) (:Slovakia :blue) (:Romania :blue) (:Portugal :red) (:Poland :red) (:Netherlands :green) (:Malta :red) (:Luxemburg :yellow) (:Lithuania :blue) (:Latvia :green) (:Italy :blue) (:Ireland :red) (:Hungary :green) (:Greece :green) (:Germany :blue) (:France :green) (:Finland :green) (:Estonia :red) (:Denmark :red) (:Czech_Republic :green) (:Cyprus :red) (:Croatia :red) (:Bulgaria :red) (:Belgium :red) (:Austria :red))];
  r:binding [ r:variable [ n3:uri "http://josd.github.io/var#x_4"]; r:boundTo (:Finland :Denmark)];
  r:binding [ r:variable [ n3:uri "http://josd.github.io/var#x_5"]; r:boundTo ((<http://josd.github.io/eye/reasoning/4color/4color_data.n3> <http://josd.github.io/eye/reasoning/4color/4color_rules.n3>) 1)];
  r:binding [ r:variable [ n3:uri "http://josd.github.io/var#x_6"]; r:boundTo [ a r:Existential; n3:nodeId "_:sk_0"]];
  r:rule skolem:lemma8.

skolem:lemma7 a r:Extraction;
  r:gives {
    :United_Kingdom :neighbours (:Ireland :Netherlands :Belgium :France).
  };
  r:because [ a r:Parsing; r:source <http://josd.github.io/eye/reasoning/4color/4color_data.n3>].

skolem:lemma8 a r:Extraction;
  r:gives {
    @forAll var:x_0, var:x_1, var:x_2, var:x_3, var:x_4, var:x_5, var:x_6. {var:x_0 :places true} <= {var:x_0 e:firstRest ((var:x_1 var:x_2) var:x_3).
     var:x_3 :places true.
     var:x_1 :neighbours var:x_4.
     (:red :green :blue :yellow) list:member var:x_2.
     var:x_5 e:fail {var:x_3 list:member (var:x_6 var:x_2).
      var:x_4 list:member var:x_6}}.
  };
  r:because [ a r:Parsing; r:source <http://josd.github.io/eye/reasoning/4color/4color_rules.n3>].

skolem:lemma9 a r:Inference;
  r:gives {
    ((:Spain :blue) (:Slovenia :yellow) (:Slovakia :blue) (:Romania :blue) (:Portugal :red) (:Poland :red) (:Netherlands :green) (:Malta :red) (:Luxemburg :yellow) (:Lithuania :blue) (:Latvia :green) (:Italy :blue) (:Ireland :red) (:Hungary :green) (:Greece :green) (:Germany :blue) (:France :green) (:Finland :green) (:Estonia :red) (:Denmark :red) (:Czech_Republic :green) (:Cyprus :red) (:Croatia :red) (:Bulgaria :red) (:Belgium :red) (:Austria :red)) :places true.
  };
  r:evidence (
    [ a r:Fact; r:gives {((:Spain :blue) (:Slovenia :yellow) (:Slovakia :blue) (:Romania :blue) (:Portugal :red) (:Poland :red) (:Netherlands :green) (:Malta :red) (:Luxemburg :yellow) (:Lithuania :blue) (:Latvia :green) (:Italy :blue) (:Ireland :red) (:Hungary :green) (:Greece :green) (:Germany :blue) (:France :green) (:Finland :green) (:Estonia :red) (:Denmark :red) (:Czech_Republic :green) (:Cyprus :red) (:Croatia :red) (:Bulgaria :red) (:Belgium :red) (:Austria :red)) e:firstRest ((:Spain :blue) ((:Slovenia :yellow) (:Slovakia :blue) (:Romania :blue) (:Portugal :red) (:Poland :red) (:Netherlands :green) (:Malta :red) (:Luxemburg :yellow) (:Lithuania :blue) (:Latvia :green) (:Italy :blue) (:Ireland :red) (:Hungary :green) (:Greece :green) (:Germany :blue) (:France :green) (:Finland :green) (:Estonia :red) (:Denmark :red) (:Czech_Republic :green) (:Cyprus :red) (:Croatia :red) (:Bulgaria :red) (:Belgium :red) (:Austria :red)))}]
    skolem:lemma11
    skolem:lemma12
    [ a r:Fact; r:gives {(:red :green :blue :yellow) list:member :blue}]
    [ a r:Fact; r:gives {((<http://josd.github.io/eye/reasoning/4color/4color_data.n3> <http://josd.github.io/eye/reasoning/4color/4color_rules.n3>) 1) e:fail {((:Slovenia :yellow) (:Slovakia :blue) (:Romania :blue) (:Portugal :red) (:Poland :red) (:Netherlands :green) (:Malta :red) (:Luxemburg :yellow) (:Lithuania :blue) (:Latvia :green) (:Italy :blue) (:Ireland :red) (:Hungary :green) (:Greece :green) (:Germany :blue) (:France :green) (:Finland :green) (:Estonia :red) (:Denmark :red) (:Czech_Republic :green) (:Cyprus :red) (:Croatia :red) (:Bulgaria :red) (:Belgium :red) (:Austria :red)) list:member (_:sk_0 :blue).
     (:France :Portugal) list:member _:sk_0}}]
  );
  r:binding [ r:variable [ n3:uri "http://josd.github.io/var#x_0"]; r:boundTo ((:Spain :blue) (:Slovenia :yellow) (:Slovakia :blue) (:Romania :blue) (:Portugal :red) (:Poland :red) (:Netherlands :green) (:Malta :red) (:Luxemburg :yellow) (:Lithuania :blue) (:Latvia :green) (:Italy :blue) (:Ireland :red) (:Hungary :green) (:Greece :green) (:Germany :blue) (:France :green) (:Finland :green) (:Estonia :red) (:Denmark :red) (:Czech_Republic :green) (:Cyprus :red) (:Croatia :red) (:Bulgaria :red) (:Belgium :red) (:Austria :red))];
  r:binding [ r:variable [ n3:uri "http://josd.github.io/var#x_1"]; r:boundTo [ n3:uri "http://josd.github.io/eye/reasoning/4color#Spain"]];
  r:binding [ r:variable [ n3:uri "http://josd.github.io/var#x_2"]; r:boundTo [ n3:uri "http://josd.github.io/eye/reasoning/4color#blue"]];
  r:binding [ r:variable [ n3:uri "http://josd.github.io/var#x_3"]; r:boundTo ((:Slovenia :yellow) (:Slovakia :blue) (:Romania :blue) (:Portugal :red) (:Poland :red) (:Netherlands :green) (:Malta :red) (:Luxemburg :yellow) (:Lithuania :blue) (:Latvia :green) (:Italy :blue) (:Ireland :red) (:Hungary :green) (:Greece :green) (:Germany :blue) (:France :green) (:Finland :green) (:Estonia :red) (:Denmark :red) (:Czech_Republic :green) (:Cyprus :red) (:Croatia :red) (:Bulgaria :red) (:Belgium :red) (:Austria :red))];
  r:binding [ r:variable [ n3:uri "http://josd.github.io/var#x_4"]; r:boundTo (:France :Portugal)];
  r:binding [ r:variable [ n3:uri "http://josd.github.io/var#x_5"]; r:boundTo ((<http://josd.github.io/eye/reasoning/4color/4color_data.n3> <http://josd.github.io/eye/reasoning/4color/4color_rules.n3>) 1)];
  r:binding [ r:variable [ n3:uri "http://josd.github.io/var#x_6"]; r:boundTo [ a r:Existential; n3:nodeId "_:sk_0"]];
  r:rule skolem:lemma8.

skolem:lemma10 a r:Extraction;
  r:gives {
    :Sweden :neighbours (:Finland :Denmark).
  };
  r:because [ a r:Parsing; r:source <http://josd.github.io/eye/reasoning/4color/4color_data.n3>].

skolem:lemma11 a r:Inference;
  r:gives {
    ((:Slovenia :yellow) (:Slovakia :blue) (:Romania :blue) (:Portugal :red) (:Poland :red) (:Netherlands :green) (:Malta :red) (:Luxemburg :yellow) (:Lithuania :blue) (:Latvia :green) (:Italy :blue) (:Ireland :red) (:Hungary :green) (:Greece :green) (:Germany :blue) (:France :green) (:Finland :green) (:Estonia :red) (:Denmark :red) (:Czech_Republic :green) (:Cyprus :red) (:Croatia :red) (:Bulgaria :red) (:Belgium :red) (:Austria :red)) :places true.
  };
  r:evidence (
    [ a r:Fact; r:gives {((:Slovenia :yellow) (:Slovakia :blue) (:Romania :blue) (:Portugal :red) (:Poland :red) (:Netherlands :green) (:Malta :red) (:Luxemburg :yellow) (:Lithuania :blue) (:Latvia :green) (:Italy :blue) (:Ireland :red) (:Hungary :green) (:Greece :green) (:Germany :blue) (:France :green) (:Finland :green) (:Estonia :red) (:Denmark :red) (:Czech_Republic :green) (:Cyprus :red) (:Croatia :red) (:Bulgaria :red) (:Belgium :red) (:Austria :red)) e:firstRest ((:Slovenia :yellow) ((:Slovakia :blue) (:Romania :blue) (:Portugal :red) (:Poland :red) (:Netherlands :green) (:Malta :red) (:Luxemburg :yellow) (:Lithuania :blue) (:Latvia :green) (:Italy :blue) (:Ireland :red) (:Hungary :green) (:Greece :green) (:Germany :blue) (:France :green) (:Finland :green) (:Estonia :red) (:Denmark :red) (:Czech_Republic :green) (:Cyprus :red) (:Croatia :red) (:Bulgaria :red) (:Belgium :red) (:Austria :red)))}]
    skolem:lemma13
    skolem:lemma14
    [ a r:Fact; r:gives {(:red :green :blue :yellow) list:member :yellow}]
    [ a r:Fact; r:gives {((<http://josd.github.io/eye/reasoning/4color/4color_data.n3> <http://josd.github.io/eye/reasoning/4color/4color_rules.n3>) 1) e:fail {((:Slovakia :blue) (:Romania :blue) (:Portugal :red) (:Poland :red) (:Netherlands :green) (:Malta :red) (:Luxemburg :yellow) (:Lithuania :blue) (:Latvia :green) (:Italy :blue) (:Ireland :red) (:Hungary :green) (:Greece :green) (:Germany :blue) (:France :green) (:Finland :green) (:Estonia :red) (:Denmark :red) (:Czech_Republic :green) (:Cyprus :red) (:Croatia :red) (:Bulgaria :red) (:Belgium :red) (:Austria :red)) list:member (_:sk_0 :yellow).
     (:Austria :Italy :Hungary :Croatia) list:member _:sk_0}}]
  );
  r:binding [ r:variable [ n3:uri "http://josd.github.io/var#x_0"]; r:boundTo ((:Slovenia :yellow) (:Slovakia :blue) (:Romania :blue) (:Portugal :red) (:Poland :red) (:Netherlands :green) (:Malta :red) (:Luxemburg :yellow) (:Lithuania :blue) (:Latvia :green) (:Italy :blue) (:Ireland :red) (:Hungary :green) (:Greece :green) (:Germany :blue) (:France :green) (:Finland :green) (:Estonia :red) (:Denmark :red) (:Czech_Republic :green) (:Cyprus :red) (:Croatia :red) (:Bulgaria :red) (:Belgium :red) (:Austria :red))];
  r:binding [ r:variable [ n3:uri "http://josd.github.io/var#x_1"]; r:boundTo [ n3:uri "http://josd.github.io/eye/reasoning/4color#Slovenia"]];
  r:binding [ r:variable [ n3:uri "http://josd.github.io/var#x_2"]; r:boundTo [ n3:uri "http://josd.github.io/eye/reasoning/4color#yellow"]];
  r:binding [ r:variable [ n3:uri "http://josd.github.io/var#x_3"]; r:boundTo ((:Slovakia :blue) (:Romania :blue) (:Portugal :red) (:Poland :red) (:Netherlands :green) (:Malta :red) (:Luxemburg :yellow) (:Lithuania :blue) (:Latvia :green) (:Italy :blue) (:Ireland :red) (:Hungary :green) (:Greece :green) (:Germany :blue) (:France :green) (:Finland :green) (:Estonia :red) (:Denmark :red) (:Czech_Republic :green) (:Cyprus :red) (:Croatia :red) (:Bulgaria :red) (:Belgium :red) (:Austria :red))];
  r:binding [ r:variable [ n3:uri "http://josd.github.io/var#x_4"]; r:boundTo (:Austria :Italy :Hungary :Croatia)];
  r:binding [ r:variable [ n3:uri "http://josd.github.io/var#x_5"]; r:boundTo ((<http://josd.github.io/eye/reasoning/4color/4color_data.n3> <http://josd.github.io/eye/reasoning/4color/4color_rules.n3>) 1)];
  r:binding [ r:variable [ n3:uri "http://josd.github.io/var#x_6"]; r:boundTo [ a r:Existential; n3:nodeId "_:sk_0"]];
  r:rule skolem:lemma8.

skolem:lemma12 a r:Extraction;
  r:gives {
    :Spain :neighbours (:France :Portugal).
  };
  r:because [ a r:Parsing; r:source <http://josd.github.io/eye/reasoning/4color/4color_data.n3>].

skolem:lemma13 a r:Inference;
  r:gives {
    ((:Slovakia :blue) (:Romania :blue) (:Portugal :red) (:Poland :red) (:Netherlands :green) (:Malta :red) (:Luxemburg :yellow) (:Lithuania :blue) (:Latvia :green) (:Italy :blue) (:Ireland :red) (:Hungary :green) (:Greece :green) (:Germany :blue) (:France :green) (:Finland :green) (:Estonia :red) (:Denmark :red) (:Czech_Republic :green) (:Cyprus :red) (:Croatia :red) (:Bulgaria :red) (:Belgium :red) (:Austria :red)) :places true.
  };
  r:evidence (
    [ a r:Fact; r:gives {((:Slovakia :blue) (:Romania :blue) (:Portugal :red) (:Poland :red) (:Netherlands :green) (:Malta :red) (:Luxemburg :yellow) (:Lithuania :blue) (:Latvia :green) (:Italy :blue) (:Ireland :red) (:Hungary :green) (:Greece :green) (:Germany :blue) (:France :green) (:Finland :green) (:Estonia :red) (:Denmark :red) (:Czech_Republic :green) (:Cyprus :red) (:Croatia :red) (:Bulgaria :red) (:Belgium :red) (:Austria :red)) e:firstRest ((:Slovakia :blue) ((:Romania :blue) (:Portugal :red) (:Poland :red) (:Netherlands :green) (:Malta :red) (:Luxemburg :yellow) (:Lithuania :blue) (:Latvia :green) (:Italy :blue) (:Ireland :red) (:Hungary :green) (:Greece :green) (:Germany :blue) (:France :green) (:Finland :green) (:Estonia :red) (:Denmark :red) (:Czech_Republic :green) (:Cyprus :red) (:Croatia :red) (:Bulgaria :red) (:Belgium :red) (:Austria :red)))}]
    skolem:lemma15
    skolem:lemma16
    [ a r:Fact; r:gives {(:red :green :blue :yellow) list:member :blue}]
    [ a r:Fact; r:gives {((<http://josd.github.io/eye/reasoning/4color/4color_data.n3> <http://josd.github.io/eye/reasoning/4color/4color_rules.n3>) 1) e:fail {((:Romania :blue) (:Portugal :red) (:Poland :red) (:Netherlands :green) (:Malta :red) (:Luxemburg :yellow) (:Lithuania :blue) (:Latvia :green) (:Italy :blue) (:Ireland :red) (:Hungary :green) (:Greece :green) (:Germany :blue) (:France :green) (:Finland :green) (:Estonia :red) (:Denmark :red) (:Czech_Republic :green) (:Cyprus :red) (:Croatia :red) (:Bulgaria :red) (:Belgium :red) (:Austria :red)) list:member (_:sk_0 :blue).
     (:Czech_Republic :Poland :Hungary :Austria) list:member _:sk_0}}]
  );
  r:binding [ r:variable [ n3:uri "http://josd.github.io/var#x_0"]; r:boundTo ((:Slovakia :blue) (:Romania :blue) (:Portugal :red) (:Poland :red) (:Netherlands :green) (:Malta :red) (:Luxemburg :yellow) (:Lithuania :blue) (:Latvia :green) (:Italy :blue) (:Ireland :red) (:Hungary :green) (:Greece :green) (:Germany :blue) (:France :green) (:Finland :green) (:Estonia :red) (:Denmark :red) (:Czech_Republic :green) (:Cyprus :red) (:Croatia :red) (:Bulgaria :red) (:Belgium :red) (:Austria :red))];
  r:binding [ r:variable [ n3:uri "http://josd.github.io/var#x_1"]; r:boundTo [ n3:uri "http://josd.github.io/eye/reasoning/4color#Slovakia"]];
  r:binding [ r:variable [ n3:uri "http://josd.github.io/var#x_2"]; r:boundTo [ n3:uri "http://josd.github.io/eye/reasoning/4color#blue"]];
  r:binding [ r:variable [ n3:uri "http://josd.github.io/var#x_3"]; r:boundTo ((:Romania :blue) (:Portugal :red) (:Poland :red) (:Netherlands :green) (:Malta :red) (:Luxemburg :yellow) (:Lithuania :blue) (:Latvia :green) (:Italy :blue) (:Ireland :red) (:Hungary :green) (:Greece :green) (:Germany :blue) (:France :green) (:Finland :green) (:Estonia :red) (:Denmark :red) (:Czech_Republic :green) (:Cyprus :red) (:Croatia :red) (:Bulgaria :red) (:Belgium :red) (:Austria :red))];
  r:binding [ r:variable [ n3:uri "http://josd.github.io/var#x_4"]; r:boundTo (:Czech_Republic :Poland :Hungary :Austria)];
  r:binding [ r:variable [ n3:uri "http://josd.github.io/var#x_5"]; r:boundTo ((<http://josd.github.io/eye/reasoning/4color/4color_data.n3> <http://josd.github.io/eye/reasoning/4color/4color_rules.n3>) 1)];
  r:binding [ r:variable [ n3:uri "http://josd.github.io/var#x_6"]; r:boundTo [ a r:Existential; n3:nodeId "_:sk_0"]];
  r:rule skolem:lemma8.

skolem:lemma14 a r:Extraction;
  r:gives {
    :Slovenia :neighbours (:Austria :Italy :Hungary :Croatia).
  };
  r:because [ a r:Parsing; r:source <http://josd.github.io/eye/reasoning/4color/4color_data.n3>].

skolem:lemma15 a r:Inference;
  r:gives {
    ((:Romania :blue) (:Portugal :red) (:Poland :red) (:Netherlands :green) (:Malta :red) (:Luxemburg :yellow) (:Lithuania :blue) (:Latvia :green) (:Italy :blue) (:Ireland :red) (:Hungary :green) (:Greece :green) (:Germany :blue) (:France :green) (:Finland :green) (:Estonia :red) (:Denmark :red) (:Czech_Republic :green) (:Cyprus :red) (:Croatia :red) (:Bulgaria :red) (:Belgium :red) (:Austria :red)) :places true.
  };
  r:evidence (
    [ a r:Fact; r:gives {((:Romania :blue) (:Portugal :red) (:Poland :red) (:Netherlands :green) (:Malta :red) (:Luxemburg :yellow) (:Lithuania :blue) (:Latvia :green) (:Italy :blue) (:Ireland :red) (:Hungary :green) (:Greece :green) (:Germany :blue) (:France :green) (:Finland :green) (:Estonia :red) (:Denmark :red) (:Czech_Republic :green) (:Cyprus :red) (:Croatia :red) (:Bulgaria :red) (:Belgium :red) (:Austria :red)) e:firstRest ((:Romania :blue) ((:Portugal :red) (:Poland :red) (:Netherlands :green) (:Malta :red) (:Luxemburg :yellow) (:Lithuania :blue) (:Latvia :green) (:Italy :blue) (:Ireland :red) (:Hungary :green) (:Greece :green) (:Germany :blue) (:France :green) (:Finland :green) (:Estonia :red) (:Denmark :red) (:Czech_Republic :green) (:Cyprus :red) (:Croatia :red) (:Bulgaria :red) (:Belgium :red) (:Austria :red)))}]
    skolem:lemma17
    skolem:lemma18
    [ a r:Fact; r:gives {(:red :green :blue :yellow) list:member :blue}]
    [ a r:Fact; r:gives {((<http://josd.github.io/eye/reasoning/4color/4color_data.n3> <http://josd.github.io/eye/reasoning/4color/4color_rules.n3>) 1) e:fail {((:Portugal :red) (:Poland :red) (:Netherlands :green) (:Malta :red) (:Luxemburg :yellow) (:Lithuania :blue) (:Latvia :green) (:Italy :blue) (:Ireland :red) (:Hungary :green) (:Greece :green) (:Germany :blue) (:France :green) (:Finland :green) (:Estonia :red) (:Denmark :red) (:Czech_Republic :green) (:Cyprus :red) (:Croatia :red) (:Bulgaria :red) (:Belgium :red) (:Austria :red)) list:member (_:sk_0 :blue).
     (:Hungary :Bulgaria) list:member _:sk_0}}]
  );
  r:binding [ r:variable [ n3:uri "http://josd.github.io/var#x_0"]; r:boundTo ((:Romania :blue) (:Portugal :red) (:Poland :red) (:Netherlands :green) (:Malta :red) (:Luxemburg :yellow) (:Lithuania :blue) (:Latvia :green) (:Italy :blue) (:Ireland :red) (:Hungary :green) (:Greece :green) (:Germany :blue) (:France :green) (:Finland :green) (:Estonia :red) (:Denmark :red) (:Czech_Republic :green) (:Cyprus :red) (:Croatia :red) (:Bulgaria :red) (:Belgium :red) (:Austria :red))];
  r:binding [ r:variable [ n3:uri "http://josd.github.io/var#x_1"]; r:boundTo [ n3:uri "http://josd.github.io/eye/reasoning/4color#Romania"]];
  r:binding [ r:variable [ n3:uri "http://josd.github.io/var#x_2"]; r:boundTo [ n3:uri "http://josd.github.io/eye/reasoning/4color#blue"]];
  r:binding [ r:variable [ n3:uri "http://josd.github.io/var#x_3"]; r:boundTo ((:Portugal :red) (:Poland :red) (:Netherlands :green) (:Malta :red) (:Luxemburg :yellow) (:Lithuania :blue) (:Latvia :green) (:Italy :blue) (:Ireland :red) (:Hungary :green) (:Greece :green) (:Germany :blue) (:France :green) (:Finland :green) (:Estonia :red) (:Denmark :red) (:Czech_Republic :green) (:Cyprus :red) (:Croatia :red) (:Bulgaria :red) (:Belgium :red) (:Austria :red))];
  r:binding [ r:variable [ n3:uri "http://josd.github.io/var#x_4"]; r:boundTo (:Hungary :Bulgaria)];
  r:binding [ r:variable [ n3:uri "http://josd.github.io/var#x_5"]; r:boundTo ((<http://josd.github.io/eye/reasoning/4color/4color_data.n3> <http://josd.github.io/eye/reasoning/4color/4color_rules.n3>) 1)];
  r:binding [ r:variable [ n3:uri "http://josd.github.io/var#x_6"]; r:boundTo [ a r:Existential; n3:nodeId "_:sk_0"]];
  r:rule skolem:lemma8.

skolem:lemma16 a r:Extraction;
  r:gives {
    :Slovakia :neighbours (:Czech_Republic :Poland :Hungary :Austria).
  };
  r:because [ a r:Parsing; r:source <http://josd.github.io/eye/reasoning/4color/4color_data.n3>].

skolem:lemma17 a r:Inference;
  r:gives {
    ((:Portugal :red) (:Poland :red) (:Netherlands :green) (:Malta :red) (:Luxemburg :yellow) (:Lithuania :blue) (:Latvia :green) (:Italy :blue) (:Ireland :red) (:Hungary :green) (:Greece :green) (:Germany :blue) (:France :green) (:Finland :green) (:Estonia :red) (:Denmark :red) (:Czech_Republic :green) (:Cyprus :red) (:Croatia :red) (:Bulgaria :red) (:Belgium :red) (:Austria :red)) :places true.
  };
  r:evidence (
    [ a r:Fact; r:gives {((:Portugal :red) (:Poland :red) (:Netherlands :green) (:Malta :red) (:Luxemburg :yellow) (:Lithuania :blue) (:Latvia :green) (:Italy :blue) (:Ireland :red) (:Hungary :green) (:Greece :green) (:Germany :blue) (:France :green) (:Finland :green) (:Estonia :red) (:Denmark :red) (:Czech_Republic :green) (:Cyprus :red) (:Croatia :red) (:Bulgaria :red) (:Belgium :red) (:Austria :red)) e:firstRest ((:Portugal :red) ((:Poland :red) (:Netherlands :green) (:Malta :red) (:Luxemburg :yellow) (:Lithuania :blue) (:Latvia :green) (:Italy :blue) (:Ireland :red) (:Hungary :green) (:Greece :green) (:Germany :blue) (:France :green) (:Finland :green) (:Estonia :red) (:Denmark :red) (:Czech_Republic :green) (:Cyprus :red) (:Croatia :red) (:Bulgaria :red) (:Belgium :red) (:Austria :red)))}]
    skolem:lemma19
    skolem:lemma20
    [ a r:Fact; r:gives {(:red :green :blue :yellow) list:member :red}]
    [ a r:Fact; r:gives {((<http://josd.github.io/eye/reasoning/4color/4color_data.n3> <http://josd.github.io/eye/reasoning/4color/4color_rules.n3>) 1) e:fail {((:Poland :red) (:Netherlands :green) (:Malta :red) (:Luxemburg :yellow) (:Lithuania :blue) (:Latvia :green) (:Italy :blue) (:Ireland :red) (:Hungary :green) (:Greece :green) (:Germany :blue) (:France :green) (:Finland :green) (:Estonia :red) (:Denmark :red) (:Czech_Republic :green) (:Cyprus :red) (:Croatia :red) (:Bulgaria :red) (:Belgium :red) (:Austria :red)) list:member (_:sk_0 :red).
     (:Spain) list:member _:sk_0}}]
  );
  r:binding [ r:variable [ n3:uri "http://josd.github.io/var#x_0"]; r:boundTo ((:Portugal :red) (:Poland :red) (:Netherlands :green) (:Malta :red) (:Luxemburg :yellow) (:Lithuania :blue) (:Latvia :green) (:Italy :blue) (:Ireland :red) (:Hungary :green) (:Greece :green) (:Germany :blue) (:France :green) (:Finland :green) (:Estonia :red) (:Denmark :red) (:Czech_Republic :green) (:Cyprus :red) (:Croatia :red) (:Bulgaria :red) (:Belgium :red) (:Austria :red))];
  r:binding [ r:variable [ n3:uri "http://josd.github.io/var#x_1"]; r:boundTo [ n3:uri "http://josd.github.io/eye/reasoning/4color#Portugal"]];
  r:binding [ r:variable [ n3:uri "http://josd.github.io/var#x_2"]; r:boundTo [ n3:uri "http://josd.github.io/eye/reasoning/4color#red"]];
  r:binding [ r:variable [ n3:uri "http://josd.github.io/var#x_3"]; r:boundTo ((:Poland :red) (:Netherlands :green) (:Malta :red) (:Luxemburg :yellow) (:Lithuania :blue) (:Latvia :green) (:Italy :blue) (:Ireland :red) (:Hungary :green) (:Greece :green) (:Germany :blue) (:France :green) (:Finland :green) (:Estonia :red) (:Denmark :red) (:Czech_Republic :green) (:Cyprus :red) (:Croatia :red) (:Bulgaria :red) (:Belgium :red) (:Austria :red))];
  r:binding [ r:variable [ n3:uri "http://josd.github.io/var#x_4"]; r:boundTo (:Spain)];
  r:binding [ r:variable [ n3:uri "http://josd.github.io/var#x_5"]; r:boundTo ((<http://josd.github.io/eye/reasoning/4color/4color_data.n3> <http://josd.github.io/eye/reasoning/4color/4color_rules.n3>) 1)];
  r:binding [ r:variable [ n3:uri "http://josd.github.io/var#x_6"]; r:boundTo [ a r:Existential; n3:nodeId "_:sk_0"]];
  r:rule skolem:lemma8.

skolem:lemma18 a r:Extraction;
  r:gives {
    :Romania :neighbours (:Hungary :Bulgaria).
  };
  r:because [ a r:Parsing; r:source <http://josd.github.io/eye/reasoning/4color/4color_data.n3>].

skolem:lemma19 a r:Inference;
  r:gives {
    ((:Poland :red) (:Netherlands :green) (:Malta :red) (:Luxemburg :yellow) (:Lithuania :blue) (:Latvia :green) (:Italy :blue) (:Ireland :red) (:Hungary :green) (:Greece :green) (:Germany :blue) (:France :green) (:Finland :green) (:Estonia :red) (:Denmark :red) (:Czech_Republic :green) (:Cyprus :red) (:Croatia :red) (:Bulgaria :red) (:Belgium :red) (:Austria :red)) :places true.
  };
  r:evidence (
    [ a r:Fact; r:gives {((:Poland :red) (:Netherlands :green) (:Malta :red) (:Luxemburg :yellow) (:Lithuania :blue) (:Latvia :green) (:Italy :blue) (:Ireland :red) (:Hungary :green) (:Greece :green) (:Germany :blue) (:France :green) (:Finland :green) (:Estonia :red) (:Denmark :red) (:Czech_Republic :green) (:Cyprus :red) (:Croatia :red) (:Bulgaria :red) (:Belgium :red) (:Austria :red)) e:firstRest ((:Poland :red) ((:Netherlands :green) (:Malta :red) (:Luxemburg :yellow) (:Lithuania :blue) (:Latvia :green) (:Italy :blue) (:Ireland :red) (:Hungary :green) (:Greece :green) (:Germany :blue) (:France :green) (:Finland :green) (:Estonia :red) (:Denmark :red) (:Czech_Republic :green) (:Cyprus :red) (:Croatia :red) (:Bulgaria :red) (:Belgium :red) (:Austria :red)))}]
    skolem:lemma21
    skolem:lemma22
    [ a r:Fact; r:gives {(:red :green :blue :yellow) list:member :red}]
    [ a r:Fact; r:gives {((<http://josd.github.io/eye/reasoning/4color/4color_data.n3> <http://josd.github.io/eye/reasoning/4color/4color_rules.n3>) 1) e:fail {((:Netherlands :green) (:Malta :red) (:Luxemburg :yellow) (:Lithuania :blue) (:Latvia :green) (:Italy :blue) (:Ireland :red) (:Hungary :green) (:Greece :green) (:Germany :blue) (:France :green) (:Finland :green) (:Estonia :red) (:Denmark :red) (:Czech_Republic :green) (:Cyprus :red) (:Croatia :red) (:Bulgaria :red) (:Belgium :red) (:Austria :red)) list:member (_:sk_0 :red).
     (:Germany :Czech_Republic :Slovakia :Lithuania) list:member _:sk_0}}]
  );
  r:binding [ r:variable [ n3:uri "http://josd.github.io/var#x_0"]; r:boundTo ((:Poland :red) (:Netherlands :green) (:Malta :red) (:Luxemburg :yellow) (:Lithuania :blue) (:Latvia :green) (:Italy :blue) (:Ireland :red) (:Hungary :green) (:Greece :green) (:Germany :blue) (:France :green) (:Finland :green) (:Estonia :red) (:Denmark :red) (:Czech_Republic :green) (:Cyprus :red) (:Croatia :red) (:Bulgaria :red) (:Belgium :red) (:Austria :red))];
  r:binding [ r:variable [ n3:uri "http://josd.github.io/var#x_1"]; r:boundTo [ n3:uri "http://josd.github.io/eye/reasoning/4color#Poland"]];
  r:binding [ r:variable [ n3:uri "http://josd.github.io/var#x_2"]; r:boundTo [ n3:uri "http://josd.github.io/eye/reasoning/4color#red"]];
  r:binding [ r:variable [ n3:uri "http://josd.github.io/var#x_3"]; r:boundTo ((:Netherlands :green) (:Malta :red) (:Luxemburg :yellow) (:Lithuania :blue) (:Latvia :green) (:Italy :blue) (:Ireland :red) (:Hungary :green) (:Greece :green) (:Germany :blue) (:France :green) (:Finland :green) (:Estonia :red) (:Denmark :red) (:Czech_Republic :green) (:Cyprus :red) (:Croatia :red) (:Bulgaria :red) (:Belgium :red) (:Austria :red))];
  r:binding [ r:variable [ n3:uri "http://josd.github.io/var#x_4"]; r:boundTo (:Germany :Czech_Republic :Slovakia :Lithuania)];
  r:binding [ r:variable [ n3:uri "http://josd.github.io/var#x_5"]; r:boundTo ((<http://josd.github.io/eye/reasoning/4color/4color_data.n3> <http://josd.github.io/eye/reasoning/4color/4color_rules.n3>) 1)];
  r:binding [ r:variable [ n3:uri "http://josd.github.io/var#x_6"]; r:boundTo [ a r:Existential; n3:nodeId "_:sk_0"]];
  r:rule skolem:lemma8.

skolem:lemma20 a r:Extraction;
  r:gives {
    :Portugal :neighbours (:Spain).
  };
  r:because [ a r:Parsing; r:source <http://josd.github.io/eye/reasoning/4color/4color_data.n3>].

skolem:lemma21 a r:Inference;
  r:gives {
    ((:Netherlands :green) (:Malta :red) (:Luxemburg :yellow) (:Lithuania :blue) (:Latvia :green) (:Italy :blue) (:Ireland :red) (:Hungary :green) (:Greece :green) (:Germany :blue) (:France :green) (:Finland :green) (:Estonia :red) (:Denmark :red) (:Czech_Republic :green) (:Cyprus :red) (:Croatia :red) (:Bulgaria :red) (:Belgium :red) (:Austria :red)) :places true.
  };
  r:evidence (
    [ a r:Fact; r:gives {((:Netherlands :green) (:Malta :red) (:Luxemburg :yellow) (:Lithuania :blue) (:Latvia :green) (:Italy :blue) (:Ireland :red) (:Hungary :green) (:Greece :green) (:Germany :blue) (:France :green) (:Finland :green) (:Estonia :red) (:Denmark :red) (:Czech_Republic :green) (:Cyprus :red) (:Croatia :red) (:Bulgaria :red) (:Belgium :red) (:Austria :red)) e:firstRest ((:Netherlands :green) ((:Malta :red) (:Luxemburg :yellow) (:Lithuania :blue) (:Latvia :green) (:Italy :blue) (:Ireland :red) (:Hungary :green) (:Greece :green) (:Germany :blue) (:France :green) (:Finland :green) (:Estonia :red) (:Denmark :red) (:Czech_Republic :green) (:Cyprus :red) (:Croatia :red) (:Bulgaria :red) (:Belgium :red) (:Austria :red)))}]
    skolem:lemma23
    skolem:lemma24
    [ a r:Fact; r:gives {(:red :green :blue :yellow) list:member :green}]
    [ a r:Fact; r:gives {((<http://josd.github.io/eye/reasoning/4color/4color_data.n3> <http://josd.github.io/eye/reasoning/4color/4color_rules.n3>) 1) e:fail {((:Malta :red) (:Luxemburg :yellow) (:Lithuania :blue) (:Latvia :green) (:Italy :blue) (:Ireland :red) (:Hungary :green) (:Greece :green) (:Germany :blue) (:France :green) (:Finland :green) (:Estonia :red) (:Denmark :red) (:Czech_Republic :green) (:Cyprus :red) (:Croatia :red) (:Bulgaria :red) (:Belgium :red) (:Austria :red)) list:member (_:sk_0 :green).
     (:Belgium :Germany :United_Kingdom) list:member _:sk_0}}]
  );
  r:binding [ r:variable [ n3:uri "http://josd.github.io/var#x_0"]; r:boundTo ((:Netherlands :green) (:Malta :red) (:Luxemburg :yellow) (:Lithuania :blue) (:Latvia :green) (:Italy :blue) (:Ireland :red) (:Hungary :green) (:Greece :green) (:Germany :blue) (:France :green) (:Finland :green) (:Estonia :red) (:Denmark :red) (:Czech_Republic :green) (:Cyprus :red) (:Croatia :red) (:Bulgaria :red) (:Belgium :red) (:Austria :red))];
  r:binding [ r:variable [ n3:uri "http://josd.github.io/var#x_1"]; r:boundTo [ n3:uri "http://josd.github.io/eye/reasoning/4color#Netherlands"]];
  r:binding [ r:variable [ n3:uri "http://josd.github.io/var#x_2"]; r:boundTo [ n3:uri "http://josd.github.io/eye/reasoning/4color#green"]];
  r:binding [ r:variable [ n3:uri "http://josd.github.io/var#x_3"]; r:boundTo ((:Malta :red) (:Luxemburg :yellow) (:Lithuania :blue) (:Latvia :green) (:Italy :blue) (:Ireland :red) (:Hungary :green) (:Greece :green) (:Germany :blue) (:France :green) (:Finland :green) (:Estonia :red) (:Denmark :red) (:Czech_Republic :green) (:Cyprus :red) (:Croatia :red) (:Bulgaria :red) (:Belgium :red) (:Austria :red))];
  r:binding [ r:variable [ n3:uri "http://josd.github.io/var#x_4"]; r:boundTo (:Belgium :Germany :United_Kingdom)];
  r:binding [ r:variable [ n3:uri "http://josd.github.io/var#x_5"]; r:boundTo ((<http://josd.github.io/eye/reasoning/4color/4color_data.n3> <http://josd.github.io/eye/reasoning/4color/4color_rules.n3>) 1)];
  r:binding [ r:variable [ n3:uri "http://josd.github.io/var#x_6"]; r:boundTo [ a r:Existential; n3:nodeId "_:sk_0"]];
  r:rule skolem:lemma8.

skolem:lemma22 a r:Extraction;
  r:gives {
    :Poland :neighbours (:Germany :Czech_Republic :Slovakia :Lithuania).
  };
  r:because [ a r:Parsing; r:source <http://josd.github.io/eye/reasoning/4color/4color_data.n3>].

skolem:lemma23 a r:Inference;
  r:gives {
    ((:Malta :red) (:Luxemburg :yellow) (:Lithuania :blue) (:Latvia :green) (:Italy :blue) (:Ireland :red) (:Hungary :green) (:Greece :green) (:Germany :blue) (:France :green) (:Finland :green) (:Estonia :red) (:Denmark :red) (:Czech_Republic :green) (:Cyprus :red) (:Croatia :red) (:Bulgaria :red) (:Belgium :red) (:Austria :red)) :places true.
  };
  r:evidence (
    [ a r:Fact; r:gives {((:Malta :red) (:Luxemburg :yellow) (:Lithuania :blue) (:Latvia :green) (:Italy :blue) (:Ireland :red) (:Hungary :green) (:Greece :green) (:Germany :blue) (:France :green) (:Finland :green) (:Estonia :red) (:Denmark :red) (:Czech_Republic :green) (:Cyprus :red) (:Croatia :red) (:Bulgaria :red) (:Belgium :red) (:Austria :red)) e:firstRest ((:Malta :red) ((:Luxemburg :yellow) (:Lithuania :blue) (:Latvia :green) (:Italy :blue) (:Ireland :red) (:Hungary :green) (:Greece :green) (:Germany :blue) (:France :green) (:Finland :green) (:Estonia :red) (:Denmark :red) (:Czech_Republic :green) (:Cyprus :red) (:Croatia :red) (:Bulgaria :red) (:Belgium :red) (:Austria :red)))}]
    skolem:lemma25
    skolem:lemma26
    [ a r:Fact; r:gives {(:red :green :blue :yellow) list:member :red}]
    [ a r:Fact; r:gives {((<http://josd.github.io/eye/reasoning/4color/4color_data.n3> <http://josd.github.io/eye/reasoning/4color/4color_rules.n3>) 1) e:fail {((:Luxemburg :yellow) (:Lithuania :blue) (:Latvia :green) (:Italy :blue) (:Ireland :red) (:Hungary :green) (:Greece :green) (:Germany :blue) (:France :green) (:Finland :green) (:Estonia :red) (:Denmark :red) (:Czech_Republic :green) (:Cyprus :red) (:Croatia :red) (:Bulgaria :red) (:Belgium :red) (:Austria :red)) list:member (_:sk_0 :red).
     () list:member _:sk_0}}]
  );
  r:binding [ r:variable [ n3:uri "http://josd.github.io/var#x_0"]; r:boundTo ((:Malta :red) (:Luxemburg :yellow) (:Lithuania :blue) (:Latvia :green) (:Italy :blue) (:Ireland :red) (:Hungary :green) (:Greece :green) (:Germany :blue) (:France :green) (:Finland :green) (:Estonia :red) (:Denmark :red) (:Czech_Republic :green) (:Cyprus :red) (:Croatia :red) (:Bulgaria :red) (:Belgium :red) (:Austria :red))];
  r:binding [ r:variable [ n3:uri "http://josd.github.io/var#x_1"]; r:boundTo [ n3:uri "http://josd.github.io/eye/reasoning/4color#Malta"]];
  r:binding [ r:variable [ n3:uri "http://josd.github.io/var#x_2"]; r:boundTo [ n3:uri "http://josd.github.io/eye/reasoning/4color#red"]];
  r:binding [ r:variable [ n3:uri "http://josd.github.io/var#x_3"]; r:boundTo ((:Luxemburg :yellow) (:Lithuania :blue) (:Latvia :green) (:Italy :blue) (:Ireland :red) (:Hungary :green) (:Greece :green) (:Germany :blue) (:France :green) (:Finland :green) (:Estonia :red) (:Denmark :red) (:Czech_Republic :green) (:Cyprus :red) (:Croatia :red) (:Bulgaria :red) (:Belgium :red) (:Austria :red))];
  r:binding [ r:variable [ n3:uri "http://josd.github.io/var#x_4"]; r:boundTo ()];
  r:binding [ r:variable [ n3:uri "http://josd.github.io/var#x_5"]; r:boundTo ((<http://josd.github.io/eye/reasoning/4color/4color_data.n3> <http://josd.github.io/eye/reasoning/4color/4color_rules.n3>) 1)];
  r:binding [ r:variable [ n3:uri "http://josd.github.io/var#x_6"]; r:boundTo [ a r:Existential; n3:nodeId "_:sk_0"]];
  r:rule skolem:lemma8.

skolem:lemma24 a r:Extraction;
  r:gives {
    :Netherlands :neighbours (:Belgium :Germany :United_Kingdom).
  };
  r:because [ a r:Parsing; r:source <http://josd.github.io/eye/reasoning/4color/4color_data.n3>].

skolem:lemma25 a r:Inference;
  r:gives {
    ((:Luxemburg :yellow) (:Lithuania :blue) (:Latvia :green) (:Italy :blue) (:Ireland :red) (:Hungary :green) (:Greece :green) (:Germany :blue) (:France :green) (:Finland :green) (:Estonia :red) (:Denmark :red) (:Czech_Republic :green) (:Cyprus :red) (:Croatia :red) (:Bulgaria :red) (:Belgium :red) (:Austria :red)) :places true.
  };
  r:evidence (
    [ a r:Fact; r:gives {((:Luxemburg :yellow) (:Lithuania :blue) (:Latvia :green) (:Italy :blue) (:Ireland :red) (:Hungary :green) (:Greece :green) (:Germany :blue) (:France :green) (:Finland :green) (:Estonia :red) (:Denmark :red) (:Czech_Republic :green) (:Cyprus :red) (:Croatia :red) (:Bulgaria :red) (:Belgium :red) (:Austria :red)) e:firstRest ((:Luxemburg :yellow) ((:Lithuania :blue) (:Latvia :green) (:Italy :blue) (:Ireland :red) (:Hungary :green) (:Greece :green) (:Germany :blue) (:France :green) (:Finland :green) (:Estonia :red) (:Denmark :red) (:Czech_Republic :green) (:Cyprus :red) (:Croatia :red) (:Bulgaria :red) (:Belgium :red) (:Austria :red)))}]
    skolem:lemma27
    skolem:lemma28
    [ a r:Fact; r:gives {(:red :green :blue :yellow) list:member :yellow}]
    [ a r:Fact; r:gives {((<http://josd.github.io/eye/reasoning/4color/4color_data.n3> <http://josd.github.io/eye/reasoning/4color/4color_rules.n3>) 1) e:fail {((:Lithuania :blue) (:Latvia :green) (:Italy :blue) (:Ireland :red) (:Hungary :green) (:Greece :green) (:Germany :blue) (:France :green) (:Finland :green) (:Estonia :red) (:Denmark :red) (:Czech_Republic :green) (:Cyprus :red) (:Croatia :red) (:Bulgaria :red) (:Belgium :red) (:Austria :red)) list:member (_:sk_0 :yellow).
     (:Belgium :France :Germany) list:member _:sk_0}}]
  );
  r:binding [ r:variable [ n3:uri "http://josd.github.io/var#x_0"]; r:boundTo ((:Luxemburg :yellow) (:Lithuania :blue) (:Latvia :green) (:Italy :blue) (:Ireland :red) (:Hungary :green) (:Greece :green) (:Germany :blue) (:France :green) (:Finland :green) (:Estonia :red) (:Denmark :red) (:Czech_Republic :green) (:Cyprus :red) (:Croatia :red) (:Bulgaria :red) (:Belgium :red) (:Austria :red))];
  r:binding [ r:variable [ n3:uri "http://josd.github.io/var#x_1"]; r:boundTo [ n3:uri "http://josd.github.io/eye/reasoning/4color#Luxemburg"]];
  r:binding [ r:variable [ n3:uri "http://josd.github.io/var#x_2"]; r:boundTo [ n3:uri "http://josd.github.io/eye/reasoning/4color#yellow"]];
  r:binding [ r:variable [ n3:uri "http://josd.github.io/var#x_3"]; r:boundTo ((:Lithuania :blue) (:Latvia :green) (:Italy :blue) (:Ireland :red) (:Hungary :green) (:Greece :green) (:Germany :blue) (:France :green) (:Finland :green) (:Estonia :red) (:Denmark :red) (:Czech_Republic :green) (:Cyprus :red) (:Croatia :red) (:Bulgaria :red) (:Belgium :red) (:Austria :red))];
  r:binding [ r:variable [ n3:uri "http://josd.github.io/var#x_4"]; r:boundTo (:Belgium :France :Germany)];
  r:binding [ r:variable [ n3:uri "http://josd.github.io/var#x_5"]; r:boundTo ((<http://josd.github.io/eye/reasoning/4color/4color_data.n3> <http://josd.github.io/eye/reasoning/4color/4color_rules.n3>) 1)];
  r:binding [ r:variable [ n3:uri "http://josd.github.io/var#x_6"]; r:boundTo [ a r:Existential; n3:nodeId "_:sk_0"]];
  r:rule skolem:lemma8.

skolem:lemma26 a r:Extraction;
  r:gives {
    :Malta :neighbours ().
  };
  r:because [ a r:Parsing; r:source <http://josd.github.io/eye/reasoning/4color/4color_data.n3>].

skolem:lemma27 a r:Inference;
  r:gives {
    ((:Lithuania :blue) (:Latvia :green) (:Italy :blue) (:Ireland :red) (:Hungary :green) (:Greece :green) (:Germany :blue) (:France :green) (:Finland :green) (:Estonia :red) (:Denmark :red) (:Czech_Republic :green) (:Cyprus :red) (:Croatia :red) (:Bulgaria :red) (:Belgium :red) (:Austria :red)) :places true.
  };
  r:evidence (
    [ a r:Fact; r:gives {((:Lithuania :blue) (:Latvia :green) (:Italy :blue) (:Ireland :red) (:Hungary :green) (:Greece :green) (:Germany :blue) (:France :green) (:Finland :green) (:Estonia :red) (:Denmark :red) (:Czech_Republic :green) (:Cyprus :red) (:Croatia :red) (:Bulgaria :red) (:Belgium :red) (:Austria :red)) e:firstRest ((:Lithuania :blue) ((:Latvia :green) (:Italy :blue) (:Ireland :red) (:Hungary :green) (:Greece :green) (:Germany :blue) (:France :green) (:Finland :green) (:Estonia :red) (:Denmark :red) (:Czech_Republic :green) (:Cyprus :red) (:Croatia :red) (:Bulgaria :red) (:Belgium :red) (:Austria :red)))}]
    skolem:lemma29
    skolem:lemma30
    [ a r:Fact; r:gives {(:red :green :blue :yellow) list:member :blue}]
    [ a r:Fact; r:gives {((<http://josd.github.io/eye/reasoning/4color/4color_data.n3> <http://josd.github.io/eye/reasoning/4color/4color_rules.n3>) 1) e:fail {((:Latvia :green) (:Italy :blue) (:Ireland :red) (:Hungary :green) (:Greece :green) (:Germany :blue) (:France :green) (:Finland :green) (:Estonia :red) (:Denmark :red) (:Czech_Republic :green) (:Cyprus :red) (:Croatia :red) (:Bulgaria :red) (:Belgium :red) (:Austria :red)) list:member (_:sk_0 :blue).
     (:Estonia :Latvia :Poland) list:member _:sk_0}}]
  );
  r:binding [ r:variable [ n3:uri "http://josd.github.io/var#x_0"]; r:boundTo ((:Lithuania :blue) (:Latvia :green) (:Italy :blue) (:Ireland :red) (:Hungary :green) (:Greece :green) (:Germany :blue) (:France :green) (:Finland :green) (:Estonia :red) (:Denmark :red) (:Czech_Republic :green) (:Cyprus :red) (:Croatia :red) (:Bulgaria :red) (:Belgium :red) (:Austria :red))];
  r:binding [ r:variable [ n3:uri "http://josd.github.io/var#x_1"]; r:boundTo [ n3:uri "http://josd.github.io/eye/reasoning/4color#Lithuania"]];
  r:binding [ r:variable [ n3:uri "http://josd.github.io/var#x_2"]; r:boundTo [ n3:uri "http://josd.github.io/eye/reasoning/4color#blue"]];
  r:binding [ r:variable [ n3:uri "http://josd.github.io/var#x_3"]; r:boundTo ((:Latvia :green) (:Italy :blue) (:Ireland :red) (:Hungary :green) (:Greece :green) (:Germany :blue) (:France :green) (:Finland :green) (:Estonia :red) (:Denmark :red) (:Czech_Republic :green) (:Cyprus :red) (:Croatia :red) (:Bulgaria :red) (:Belgium :red) (:Austria :red))];
  r:binding [ r:variable [ n3:uri "http://josd.github.io/var#x_4"]; r:boundTo (:Estonia :Latvia :Poland)];
  r:binding [ r:variable [ n3:uri "http://josd.github.io/var#x_5"]; r:boundTo ((<http://josd.github.io/eye/reasoning/4color/4color_data.n3> <http://josd.github.io/eye/reasoning/4color/4color_rules.n3>) 1)];
  r:binding [ r:variable [ n3:uri "http://josd.github.io/var#x_6"]; r:boundTo [ a r:Existential; n3:nodeId "_:sk_0"]];
  r:rule skolem:lemma8.

skolem:lemma28 a r:Extraction;
  r:gives {
    :Luxemburg :neighbours (:Belgium :France :Germany).
  };
  r:because [ a r:Parsing; r:source <http://josd.github.io/eye/reasoning/4color/4color_data.n3>].

skolem:lemma29 a r:Inference;
  r:gives {
    ((:Latvia :green) (:Italy :blue) (:Ireland :red) (:Hungary :green) (:Greece :green) (:Germany :blue) (:France :green) (:Finland :green) (:Estonia :red) (:Denmark :red) (:Czech_Republic :green) (:Cyprus :red) (:Croatia :red) (:Bulgaria :red) (:Belgium :red) (:Austria :red)) :places true.
  };
  r:evidence (
    [ a r:Fact; r:gives {((:Latvia :green) (:Italy :blue) (:Ireland :red) (:Hungary :green) (:Greece :green) (:Germany :blue) (:France :green) (:Finland :green) (:Estonia :red) (:Denmark :red) (:Czech_Republic :green) (:Cyprus :red) (:Croatia :red) (:Bulgaria :red) (:Belgium :red) (:Austria :red)) e:firstRest ((:Latvia :green) ((:Italy :blue) (:Ireland :red) (:Hungary :green) (:Greece :green) (:Germany :blue) (:France :green) (:Finland :green) (:Estonia :red) (:Denmark :red) (:Czech_Republic :green) (:Cyprus :red) (:Croatia :red) (:Bulgaria :red) (:Belgium :red) (:Austria :red)))}]
    skolem:lemma31
    skolem:lemma32
    [ a r:Fact; r:gives {(:red :green :blue :yellow) list:member :green}]
    [ a r:Fact; r:gives {((<http://josd.github.io/eye/reasoning/4color/4color_data.n3> <http://josd.github.io/eye/reasoning/4color/4color_rules.n3>) 1) e:fail {((:Italy :blue) (:Ireland :red) (:Hungary :green) (:Greece :green) (:Germany :blue) (:France :green) (:Finland :green) (:Estonia :red) (:Denmark :red) (:Czech_Republic :green) (:Cyprus :red) (:Croatia :red) (:Bulgaria :red) (:Belgium :red) (:Austria :red)) list:member (_:sk_0 :green).
     (:Estonia :Lithuania) list:member _:sk_0}}]
  );
  r:binding [ r:variable [ n3:uri "http://josd.github.io/var#x_0"]; r:boundTo ((:Latvia :green) (:Italy :blue) (:Ireland :red) (:Hungary :green) (:Greece :green) (:Germany :blue) (:France :green) (:Finland :green) (:Estonia :red) (:Denmark :red) (:Czech_Republic :green) (:Cyprus :red) (:Croatia :red) (:Bulgaria :red) (:Belgium :red) (:Austria :red))];
  r:binding [ r:variable [ n3:uri "http://josd.github.io/var#x_1"]; r:boundTo [ n3:uri "http://josd.github.io/eye/reasoning/4color#Latvia"]];
  r:binding [ r:variable [ n3:uri "http://josd.github.io/var#x_2"]; r:boundTo [ n3:uri "http://josd.github.io/eye/reasoning/4color#green"]];
  r:binding [ r:variable [ n3:uri "http://josd.github.io/var#x_3"]; r:boundTo ((:Italy :blue) (:Ireland :red) (:Hungary :green) (:Greece :green) (:Germany :blue) (:France :green) (:Finland :green) (:Estonia :red) (:Denmark :red) (:Czech_Republic :green) (:Cyprus :red) (:Croatia :red) (:Bulgaria :red) (:Belgium :red) (:Austria :red))];
  r:binding [ r:variable [ n3:uri "http://josd.github.io/var#x_4"]; r:boundTo (:Estonia :Lithuania)];
  r:binding [ r:variable [ n3:uri "http://josd.github.io/var#x_5"]; r:boundTo ((<http://josd.github.io/eye/reasoning/4color/4color_data.n3> <http://josd.github.io/eye/reasoning/4color/4color_rules.n3>) 1)];
  r:binding [ r:variable [ n3:uri "http://josd.github.io/var#x_6"]; r:boundTo [ a r:Existential; n3:nodeId "_:sk_0"]];
  r:rule skolem:lemma8.

skolem:lemma30 a r:Extraction;
  r:gives {
    :Lithuania :neighbours (:Estonia :Latvia :Poland).
  };
  r:because [ a r:Parsing; r:source <http://josd.github.io/eye/reasoning/4color/4color_data.n3>].

skolem:lemma31 a r:Inference;
  r:gives {
    ((:Italy :blue) (:Ireland :red) (:Hungary :green) (:Greece :green) (:Germany :blue) (:France :green) (:Finland :green) (:Estonia :red) (:Denmark :red) (:Czech_Republic :green) (:Cyprus :red) (:Croatia :red) (:Bulgaria :red) (:Belgium :red) (:Austria :red)) :places true.
  };
  r:evidence (
    [ a r:Fact; r:gives {((:Italy :blue) (:Ireland :red) (:Hungary :green) (:Greece :green) (:Germany :blue) (:France :green) (:Finland :green) (:Estonia :red) (:Denmark :red) (:Czech_Republic :green) (:Cyprus :red) (:Croatia :red) (:Bulgaria :red) (:Belgium :red) (:Austria :red)) e:firstRest ((:Italy :blue) ((:Ireland :red) (:Hungary :green) (:Greece :green) (:Germany :blue) (:France :green) (:Finland :green) (:Estonia :red) (:Denmark :red) (:Czech_Republic :green) (:Cyprus :red) (:Croatia :red) (:Bulgaria :red) (:Belgium :red) (:Austria :red)))}]
    skolem:lemma33
    skolem:lemma34
    [ a r:Fact; r:gives {(:red :green :blue :yellow) list:member :blue}]
    [ a r:Fact; r:gives {((<http://josd.github.io/eye/reasoning/4color/4color_data.n3> <http://josd.github.io/eye/reasoning/4color/4color_rules.n3>) 1) e:fail {((:Ireland :red) (:Hungary :green) (:Greece :green) (:Germany :blue) (:France :green) (:Finland :green) (:Estonia :red) (:Denmark :red) (:Czech_Republic :green) (:Cyprus :red) (:Croatia :red) (:Bulgaria :red) (:Belgium :red) (:Austria :red)) list:member (_:sk_0 :blue).
     (:France :Austria :Slovenia) list:member _:sk_0}}]
  );
  r:binding [ r:variable [ n3:uri "http://josd.github.io/var#x_0"]; r:boundTo ((:Italy :blue) (:Ireland :red) (:Hungary :green) (:Greece :green) (:Germany :blue) (:France :green) (:Finland :green) (:Estonia :red) (:Denmark :red) (:Czech_Republic :green) (:Cyprus :red) (:Croatia :red) (:Bulgaria :red) (:Belgium :red) (:Austria :red))];
  r:binding [ r:variable [ n3:uri "http://josd.github.io/var#x_1"]; r:boundTo [ n3:uri "http://josd.github.io/eye/reasoning/4color#Italy"]];
  r:binding [ r:variable [ n3:uri "http://josd.github.io/var#x_2"]; r:boundTo [ n3:uri "http://josd.github.io/eye/reasoning/4color#blue"]];
  r:binding [ r:variable [ n3:uri "http://josd.github.io/var#x_3"]; r:boundTo ((:Ireland :red) (:Hungary :green) (:Greece :green) (:Germany :blue) (:France :green) (:Finland :green) (:Estonia :red) (:Denmark :red) (:Czech_Republic :green) (:Cyprus :red) (:Croatia :red) (:Bulgaria :red) (:Belgium :red) (:Austria :red))];
  r:binding [ r:variable [ n3:uri "http://josd.github.io/var#x_4"]; r:boundTo (:France :Austria :Slovenia)];
  r:binding [ r:variable [ n3:uri "http://josd.github.io/var#x_5"]; r:boundTo ((<http://josd.github.io/eye/reasoning/4color/4color_data.n3> <http://josd.github.io/eye/reasoning/4color/4color_rules.n3>) 1)];
  r:binding [ r:variable [ n3:uri "http://josd.github.io/var#x_6"]; r:boundTo [ a r:Existential; n3:nodeId "_:sk_0"]];
  r:rule skolem:lemma8.

skolem:lemma32 a r:Extraction;
  r:gives {
    :Latvia :neighbours (:Estonia :Lithuania).
  };
  r:because [ a r:Parsing; r:source <http://josd.github.io/eye/reasoning/4color/4color_data.n3>].

skolem:lemma33 a r:Inference;
  r:gives {
    ((:Ireland :red) (:Hungary :green) (:Greece :green) (:Germany :blue) (:France :green) (:Finland :green) (:Estonia :red) (:Denmark :red) (:Czech_Republic :green) (:Cyprus :red) (:Croatia :red) (:Bulgaria :red) (:Belgium :red) (:Austria :red)) :places true.
  };
  r:evidence (
    [ a r:Fact; r:gives {((:Ireland :red) (:Hungary :green) (:Greece :green) (:Germany :blue) (:France :green) (:Finland :green) (:Estonia :red) (:Denmark :red) (:Czech_Republic :green) (:Cyprus :red) (:Croatia :red) (:Bulgaria :red) (:Belgium :red) (:Austria :red)) e:firstRest ((:Ireland :red) ((:Hungary :green) (:Greece :green) (:Germany :blue) (:France :green) (:Finland :green) (:Estonia :red) (:Denmark :red) (:Czech_Republic :green) (:Cyprus :red) (:Croatia :red) (:Bulgaria :red) (:Belgium :red) (:Austria :red)))}]
    skolem:lemma35
    skolem:lemma36
    [ a r:Fact; r:gives {(:red :green :blue :yellow) list:member :red}]
    [ a r:Fact; r:gives {((<http://josd.github.io/eye/reasoning/4color/4color_data.n3> <http://josd.github.io/eye/reasoning/4color/4color_rules.n3>) 1) e:fail {((:Hungary :green) (:Greece :green) (:Germany :blue) (:France :green) (:Finland :green) (:Estonia :red) (:Denmark :red) (:Czech_Republic :green) (:Cyprus :red) (:Croatia :red) (:Bulgaria :red) (:Belgium :red) (:Austria :red)) list:member (_:sk_0 :red).
     (:United_Kingdom) list:member _:sk_0}}]
  );
  r:binding [ r:variable [ n3:uri "http://josd.github.io/var#x_0"]; r:boundTo ((:Ireland :red) (:Hungary :green) (:Greece :green) (:Germany :blue) (:France :green) (:Finland :green) (:Estonia :red) (:Denmark :red) (:Czech_Republic :green) (:Cyprus :red) (:Croatia :red) (:Bulgaria :red) (:Belgium :red) (:Austria :red))];
  r:binding [ r:variable [ n3:uri "http://josd.github.io/var#x_1"]; r:boundTo [ n3:uri "http://josd.github.io/eye/reasoning/4color#Ireland"]];
  r:binding [ r:variable [ n3:uri "http://josd.github.io/var#x_2"]; r:boundTo [ n3:uri "http://josd.github.io/eye/reasoning/4color#red"]];
  r:binding [ r:variable [ n3:uri "http://josd.github.io/var#x_3"]; r:boundTo ((:Hungary :green) (:Greece :green) (:Germany :blue) (:France :green) (:Finland :green) (:Estonia :red) (:Denmark :red) (:Czech_Republic :green) (:Cyprus :red) (:Croatia :red) (:Bulgaria :red) (:Belgium :red) (:Austria :red))];
  r:binding [ r:variable [ n3:uri "http://josd.github.io/var#x_4"]; r:boundTo (:United_Kingdom)];
  r:binding [ r:variable [ n3:uri "http://josd.github.io/var#x_5"]; r:boundTo ((<http://josd.github.io/eye/reasoning/4color/4color_data.n3> <http://josd.github.io/eye/reasoning/4color/4color_rules.n3>) 1)];
  r:binding [ r:variable [ n3:uri "http://josd.github.io/var#x_6"]; r:boundTo [ a r:Existential; n3:nodeId "_:sk_0"]];
  r:rule skolem:lemma8.

skolem:lemma34 a r:Extraction;
  r:gives {
    :Italy :neighbours (:France :Austria :Slovenia).
  };
  r:because [ a r:Parsing; r:source <http://josd.github.io/eye/reasoning/4color/4color_data.n3>].

skolem:lemma35 a r:Inference;
  r:gives {
    ((:Hungary :green) (:Greece :green) (:Germany :blue) (:France :green) (:Finland :green) (:Estonia :red) (:Denmark :red) (:Czech_Republic :green) (:Cyprus :red) (:Croatia :red) (:Bulgaria :red) (:Belgium :red) (:Austria :red)) :places true.
  };
  r:evidence (
    [ a r:Fact; r:gives {((:Hungary :green) (:Greece :green) (:Germany :blue) (:France :green) (:Finland :green) (:Estonia :red) (:Denmark :red) (:Czech_Republic :green) (:Cyprus :red) (:Croatia :red) (:Bulgaria :red) (:Belgium :red) (:Austria :red)) e:firstRest ((:Hungary :green) ((:Greece :green) (:Germany :blue) (:France :green) (:Finland :green) (:Estonia :red) (:Denmark :red) (:Czech_Republic :green) (:Cyprus :red) (:Croatia :red) (:Bulgaria :red) (:Belgium :red) (:Austria :red)))}]
    skolem:lemma37
    skolem:lemma38
    [ a r:Fact; r:gives {(:red :green :blue :yellow) list:member :green}]
    [ a r:Fact; r:gives {((<http://josd.github.io/eye/reasoning/4color/4color_data.n3> <http://josd.github.io/eye/reasoning/4color/4color_rules.n3>) 1) e:fail {((:Greece :green) (:Germany :blue) (:France :green) (:Finland :green) (:Estonia :red) (:Denmark :red) (:Czech_Republic :green) (:Cyprus :red) (:Croatia :red) (:Bulgaria :red) (:Belgium :red) (:Austria :red)) list:member (_:sk_0 :green).
     (:Austria :Slovakia :Romania :Croatia :Slovenia) list:member _:sk_0}}]
  );
  r:binding [ r:variable [ n3:uri "http://josd.github.io/var#x_0"]; r:boundTo ((:Hungary :green) (:Greece :green) (:Germany :blue) (:France :green) (:Finland :green) (:Estonia :red) (:Denmark :red) (:Czech_Republic :green) (:Cyprus :red) (:Croatia :red) (:Bulgaria :red) (:Belgium :red) (:Austria :red))];
  r:binding [ r:variable [ n3:uri "http://josd.github.io/var#x_1"]; r:boundTo [ n3:uri "http://josd.github.io/eye/reasoning/4color#Hungary"]];
  r:binding [ r:variable [ n3:uri "http://josd.github.io/var#x_2"]; r:boundTo [ n3:uri "http://josd.github.io/eye/reasoning/4color#green"]];
  r:binding [ r:variable [ n3:uri "http://josd.github.io/var#x_3"]; r:boundTo ((:Greece :green) (:Germany :blue) (:France :green) (:Finland :green) (:Estonia :red) (:Denmark :red) (:Czech_Republic :green) (:Cyprus :red) (:Croatia :red) (:Bulgaria :red) (:Belgium :red) (:Austria :red))];
  r:binding [ r:variable [ n3:uri "http://josd.github.io/var#x_4"]; r:boundTo (:Austria :Slovakia :Romania :Croatia :Slovenia)];
  r:binding [ r:variable [ n3:uri "http://josd.github.io/var#x_5"]; r:boundTo ((<http://josd.github.io/eye/reasoning/4color/4color_data.n3> <http://josd.github.io/eye/reasoning/4color/4color_rules.n3>) 1)];
  r:binding [ r:variable [ n3:uri "http://josd.github.io/var#x_6"]; r:boundTo [ a r:Existential; n3:nodeId "_:sk_0"]];
  r:rule skolem:lemma8.

skolem:lemma36 a r:Extraction;
  r:gives {
    :Ireland :neighbours (:United_Kingdom).
  };
  r:because [ a r:Parsing; r:source <http://josd.github.io/eye/reasoning/4color/4color_data.n3>].

skolem:lemma37 a r:Inference;
  r:gives {
    ((:Greece :green) (:Germany :blue) (:France :green) (:Finland :green) (:Estonia :red) (:Denmark :red) (:Czech_Republic :green) (:Cyprus :red) (:Croatia :red) (:Bulgaria :red) (:Belgium :red) (:Austria :red)) :places true.
  };
  r:evidence (
    [ a r:Fact; r:gives {((:Greece :green) (:Germany :blue) (:France :green) (:Finland :green) (:Estonia :red) (:Denmark :red) (:Czech_Republic :green) (:Cyprus :red) (:Croatia :red) (:Bulgaria :red) (:Belgium :red) (:Austria :red)) e:firstRest ((:Greece :green) ((:Germany :blue) (:France :green) (:Finland :green) (:Estonia :red) (:Denmark :red) (:Czech_Republic :green) (:Cyprus :red) (:Croatia :red) (:Bulgaria :red) (:Belgium :red) (:Austria :red)))}]
    skolem:lemma39
    skolem:lemma40
    [ a r:Fact; r:gives {(:red :green :blue :yellow) list:member :green}]
    [ a r:Fact; r:gives {((<http://josd.github.io/eye/reasoning/4color/4color_data.n3> <http://josd.github.io/eye/reasoning/4color/4color_rules.n3>) 1) e:fail {((:Germany :blue) (:France :green) (:Finland :green) (:Estonia :red) (:Denmark :red) (:Czech_Republic :green) (:Cyprus :red) (:Croatia :red) (:Bulgaria :red) (:Belgium :red) (:Austria :red)) list:member (_:sk_0 :green).
     (:Bulgaria :Cyprus) list:member _:sk_0}}]
  );
  r:binding [ r:variable [ n3:uri "http://josd.github.io/var#x_0"]; r:boundTo ((:Greece :green) (:Germany :blue) (:France :green) (:Finland :green) (:Estonia :red) (:Denmark :red) (:Czech_Republic :green) (:Cyprus :red) (:Croatia :red) (:Bulgaria :red) (:Belgium :red) (:Austria :red))];
  r:binding [ r:variable [ n3:uri "http://josd.github.io/var#x_1"]; r:boundTo [ n3:uri "http://josd.github.io/eye/reasoning/4color#Greece"]];
  r:binding [ r:variable [ n3:uri "http://josd.github.io/var#x_2"]; r:boundTo [ n3:uri "http://josd.github.io/eye/reasoning/4color#green"]];
  r:binding [ r:variable [ n3:uri "http://josd.github.io/var#x_3"]; r:boundTo ((:Germany :blue) (:France :green) (:Finland :green) (:Estonia :red) (:Denmark :red) (:Czech_Republic :green) (:Cyprus :red) (:Croatia :red) (:Bulgaria :red) (:Belgium :red) (:Austria :red))];
  r:binding [ r:variable [ n3:uri "http://josd.github.io/var#x_4"]; r:boundTo (:Bulgaria :Cyprus)];
  r:binding [ r:variable [ n3:uri "http://josd.github.io/var#x_5"]; r:boundTo ((<http://josd.github.io/eye/reasoning/4color/4color_data.n3> <http://josd.github.io/eye/reasoning/4color/4color_rules.n3>) 1)];
  r:binding [ r:variable [ n3:uri "http://josd.github.io/var#x_6"]; r:boundTo [ a r:Existential; n3:nodeId "_:sk_0"]];
  r:rule skolem:lemma8.

skolem:lemma38 a r:Extraction;
  r:gives {
    :Hungary :neighbours (:Austria :Slovakia :Romania :Croatia :Slovenia).
  };
  r:because [ a r:Parsing; r:source <http://josd.github.io/eye/reasoning/4color/4color_data.n3>].

skolem:lemma39 a r:Inference;
  r:gives {
    ((:Germany :blue) (:France :green) (:Finland :green) (:Estonia :red) (:Denmark :red) (:Czech_Republic :green) (:Cyprus :red) (:Croatia :red) (:Bulgaria :red) (:Belgium :red) (:Austria :red)) :places true.
  };
  r:evidence (
    [ a r:Fact; r:gives {((:Germany :blue) (:France :green) (:Finland :green) (:Estonia :red) (:Denmark :red) (:Czech_Republic :green) (:Cyprus :red) (:Croatia :red) (:Bulgaria :red) (:Belgium :red) (:Austria :red)) e:firstRest ((:Germany :blue) ((:France :green) (:Finland :green) (:Estonia :red) (:Denmark :red) (:Czech_Republic :green) (:Cyprus :red) (:Croatia :red) (:Bulgaria :red) (:Belgium :red) (:Austria :red)))}]
    skolem:lemma41
    skolem:lemma42
    [ a r:Fact; r:gives {(:red :green :blue :yellow) list:member :blue}]
    [ a r:Fact; r:gives {((<http://josd.github.io/eye/reasoning/4color/4color_data.n3> <http://josd.github.io/eye/reasoning/4color/4color_rules.n3>) 1) e:fail {((:France :green) (:Finland :green) (:Estonia :red) (:Denmark :red) (:Czech_Republic :green) (:Cyprus :red) (:Croatia :red) (:Bulgaria :red) (:Belgium :red) (:Austria :red)) list:member (_:sk_0 :blue).
     (:Netherlands :Belgium :Luxemburg :Denmark :France :Austria :Poland :Czech_Republic) list:member _:sk_0}}]
  );
  r:binding [ r:variable [ n3:uri "http://josd.github.io/var#x_0"]; r:boundTo ((:Germany :blue) (:France :green) (:Finland :green) (:Estonia :red) (:Denmark :red) (:Czech_Republic :green) (:Cyprus :red) (:Croatia :red) (:Bulgaria :red) (:Belgium :red) (:Austria :red))];
  r:binding [ r:variable [ n3:uri "http://josd.github.io/var#x_1"]; r:boundTo [ n3:uri "http://josd.github.io/eye/reasoning/4color#Germany"]];
  r:binding [ r:variable [ n3:uri "http://josd.github.io/var#x_2"]; r:boundTo [ n3:uri "http://josd.github.io/eye/reasoning/4color#blue"]];
  r:binding [ r:variable [ n3:uri "http://josd.github.io/var#x_3"]; r:boundTo ((:France :green) (:Finland :green) (:Estonia :red) (:Denmark :red) (:Czech_Republic :green) (:Cyprus :red) (:Croatia :red) (:Bulgaria :red) (:Belgium :red) (:Austria :red))];
  r:binding [ r:variable [ n3:uri "http://josd.github.io/var#x_4"]; r:boundTo (:Netherlands :Belgium :Luxemburg :Denmark :France :Austria :Poland :Czech_Republic)];
  r:binding [ r:variable [ n3:uri "http://josd.github.io/var#x_5"]; r:boundTo ((<http://josd.github.io/eye/reasoning/4color/4color_data.n3> <http://josd.github.io/eye/reasoning/4color/4color_rules.n3>) 1)];
  r:binding [ r:variable [ n3:uri "http://josd.github.io/var#x_6"]; r:boundTo [ a r:Existential; n3:nodeId "_:sk_0"]];
  r:rule skolem:lemma8.

skolem:lemma40 a r:Extraction;
  r:gives {
    :Greece :neighbours (:Bulgaria :Cyprus).
  };
  r:because [ a r:Parsing; r:source <http://josd.github.io/eye/reasoning/4color/4color_data.n3>].

skolem:lemma41 a r:Inference;
  r:gives {
    ((:France :green) (:Finland :green) (:Estonia :red) (:Denmark :red) (:Czech_Republic :green) (:Cyprus :red) (:Croatia :red) (:Bulgaria :red) (:Belgium :red) (:Austria :red)) :places true.
  };
  r:evidence (
    [ a r:Fact; r:gives {((:France :green) (:Finland :green) (:Estonia :red) (:Denmark :red) (:Czech_Republic :green) (:Cyprus :red) (:Croatia :red) (:Bulgaria :red) (:Belgium :red) (:Austria :red)) e:firstRest ((:France :green) ((:Finland :green) (:Estonia :red) (:Denmark :red) (:Czech_Republic :green) (:Cyprus :red) (:Croatia :red) (:Bulgaria :red) (:Belgium :red) (:Austria :red)))}]
    skolem:lemma43
    skolem:lemma44
    [ a r:Fact; r:gives {(:red :green :blue :yellow) list:member :green}]
    [ a r:Fact; r:gives {((<http://josd.github.io/eye/reasoning/4color/4color_data.n3> <http://josd.github.io/eye/reasoning/4color/4color_rules.n3>) 1) e:fail {((:Finland :green) (:Estonia :red) (:Denmark :red) (:Czech_Republic :green) (:Cyprus :red) (:Croatia :red) (:Bulgaria :red) (:Belgium :red) (:Austria :red)) list:member (_:sk_0 :green).
     (:Spain :Belgium :Luxemburg :Germany :Italy :United_Kingdom) list:member _:sk_0}}]
  );
  r:binding [ r:variable [ n3:uri "http://josd.github.io/var#x_0"]; r:boundTo ((:France :green) (:Finland :green) (:Estonia :red) (:Denmark :red) (:Czech_Republic :green) (:Cyprus :red) (:Croatia :red) (:Bulgaria :red) (:Belgium :red) (:Austria :red))];
  r:binding [ r:variable [ n3:uri "http://josd.github.io/var#x_1"]; r:boundTo [ n3:uri "http://josd.github.io/eye/reasoning/4color#France"]];
  r:binding [ r:variable [ n3:uri "http://josd.github.io/var#x_2"]; r:boundTo [ n3:uri "http://josd.github.io/eye/reasoning/4color#green"]];
  r:binding [ r:variable [ n3:uri "http://josd.github.io/var#x_3"]; r:boundTo ((:Finland :green) (:Estonia :red) (:Denmark :red) (:Czech_Republic :green) (:Cyprus :red) (:Croatia :red) (:Bulgaria :red) (:Belgium :red) (:Austria :red))];
  r:binding [ r:variable [ n3:uri "http://josd.github.io/var#x_4"]; r:boundTo (:Spain :Belgium :Luxemburg :Germany :Italy :United_Kingdom)];
  r:binding [ r:variable [ n3:uri "http://josd.github.io/var#x_5"]; r:boundTo ((<http://josd.github.io/eye/reasoning/4color/4color_data.n3> <http://josd.github.io/eye/reasoning/4color/4color_rules.n3>) 1)];
  r:binding [ r:variable [ n3:uri "http://josd.github.io/var#x_6"]; r:boundTo [ a r:Existential; n3:nodeId "_:sk_0"]];
  r:rule skolem:lemma8.

skolem:lemma42 a r:Extraction;
  r:gives {
    :Germany :neighbours (:Netherlands :Belgium :Luxemburg :Denmark :France :Austria :Poland :Czech_Republic).
  };
  r:because [ a r:Parsing; r:source <http://josd.github.io/eye/reasoning/4color/4color_data.n3>].

skolem:lemma43 a r:Inference;
  r:gives {
    ((:Finland :green) (:Estonia :red) (:Denmark :red) (:Czech_Republic :green) (:Cyprus :red) (:Croatia :red) (:Bulgaria :red) (:Belgium :red) (:Austria :red)) :places true.
  };
  r:evidence (
    [ a r:Fact; r:gives {((:Finland :green) (:Estonia :red) (:Denmark :red) (:Czech_Republic :green) (:Cyprus :red) (:Croatia :red) (:Bulgaria :red) (:Belgium :red) (:Austria :red)) e:firstRest ((:Finland :green) ((:Estonia :red) (:Denmark :red) (:Czech_Republic :green) (:Cyprus :red) (:Croatia :red) (:Bulgaria :red) (:Belgium :red) (:Austria :red)))}]
    skolem:lemma45
    skolem:lemma46
    [ a r:Fact; r:gives {(:red :green :blue :yellow) list:member :green}]
    [ a r:Fact; r:gives {((<http://josd.github.io/eye/reasoning/4color/4color_data.n3> <http://josd.github.io/eye/reasoning/4color/4color_rules.n3>) 1) e:fail {((:Estonia :red) (:Denmark :red) (:Czech_Republic :green) (:Cyprus :red) (:Croatia :red) (:Bulgaria :red) (:Belgium :red) (:Austria :red)) list:member (_:sk_0 :green).
     (:Estonia :Sweden) list:member _:sk_0}}]
  );
  r:binding [ r:variable [ n3:uri "http://josd.github.io/var#x_0"]; r:boundTo ((:Finland :green) (:Estonia :red) (:Denmark :red) (:Czech_Republic :green) (:Cyprus :red) (:Croatia :red) (:Bulgaria :red) (:Belgium :red) (:Austria :red))];
  r:binding [ r:variable [ n3:uri "http://josd.github.io/var#x_1"]; r:boundTo [ n3:uri "http://josd.github.io/eye/reasoning/4color#Finland"]];
  r:binding [ r:variable [ n3:uri "http://josd.github.io/var#x_2"]; r:boundTo [ n3:uri "http://josd.github.io/eye/reasoning/4color#green"]];
  r:binding [ r:variable [ n3:uri "http://josd.github.io/var#x_3"]; r:boundTo ((:Estonia :red) (:Denmark :red) (:Czech_Republic :green) (:Cyprus :red) (:Croatia :red) (:Bulgaria :red) (:Belgium :red) (:Austria :red))];
  r:binding [ r:variable [ n3:uri "http://josd.github.io/var#x_4"]; r:boundTo (:Estonia :Sweden)];
  r:binding [ r:variable [ n3:uri "http://josd.github.io/var#x_5"]; r:boundTo ((<http://josd.github.io/eye/reasoning/4color/4color_data.n3> <http://josd.github.io/eye/reasoning/4color/4color_rules.n3>) 1)];
  r:binding [ r:variable [ n3:uri "http://josd.github.io/var#x_6"]; r:boundTo [ a r:Existential; n3:nodeId "_:sk_0"]];
  r:rule skolem:lemma8.

skolem:lemma44 a r:Extraction;
  r:gives {
    :France :neighbours (:Spain :Belgium :Luxemburg :Germany :Italy :United_Kingdom).
  };
  r:because [ a r:Parsing; r:source <http://josd.github.io/eye/reasoning/4color/4color_data.n3>].

skolem:lemma45 a r:Inference;
  r:gives {
    ((:Estonia :red) (:Denmark :red) (:Czech_Republic :green) (:Cyprus :red) (:Croatia :red) (:Bulgaria :red) (:Belgium :red) (:Austria :red)) :places true.
  };
  r:evidence (
    [ a r:Fact; r:gives {((:Estonia :red) (:Denmark :red) (:Czech_Republic :green) (:Cyprus :red) (:Croatia :red) (:Bulgaria :red) (:Belgium :red) (:Austria :red)) e:firstRest ((:Estonia :red) ((:Denmark :red) (:Czech_Republic :green) (:Cyprus :red) (:Croatia :red) (:Bulgaria :red) (:Belgium :red) (:Austria :red)))}]
    skolem:lemma47
    skolem:lemma48
    [ a r:Fact; r:gives {(:red :green :blue :yellow) list:member :red}]
    [ a r:Fact; r:gives {((<http://josd.github.io/eye/reasoning/4color/4color_data.n3> <http://josd.github.io/eye/reasoning/4color/4color_rules.n3>) 1) e:fail {((:Denmark :red) (:Czech_Republic :green) (:Cyprus :red) (:Croatia :red) (:Bulgaria :red) (:Belgium :red) (:Austria :red)) list:member (_:sk_0 :red).
     (:Finland :Latvia :Lithuania) list:member _:sk_0}}]
  );
  r:binding [ r:variable [ n3:uri "http://josd.github.io/var#x_0"]; r:boundTo ((:Estonia :red) (:Denmark :red) (:Czech_Republic :green) (:Cyprus :red) (:Croatia :red) (:Bulgaria :red) (:Belgium :red) (:Austria :red))];
  r:binding [ r:variable [ n3:uri "http://josd.github.io/var#x_1"]; r:boundTo [ n3:uri "http://josd.github.io/eye/reasoning/4color#Estonia"]];
  r:binding [ r:variable [ n3:uri "http://josd.github.io/var#x_2"]; r:boundTo [ n3:uri "http://josd.github.io/eye/reasoning/4color#red"]];
  r:binding [ r:variable [ n3:uri "http://josd.github.io/var#x_3"]; r:boundTo ((:Denmark :red) (:Czech_Republic :green) (:Cyprus :red) (:Croatia :red) (:Bulgaria :red) (:Belgium :red) (:Austria :red))];
  r:binding [ r:variable [ n3:uri "http://josd.github.io/var#x_4"]; r:boundTo (:Finland :Latvia :Lithuania)];
  r:binding [ r:variable [ n3:uri "http://josd.github.io/var#x_5"]; r:boundTo ((<http://josd.github.io/eye/reasoning/4color/4color_data.n3> <http://josd.github.io/eye/reasoning/4color/4color_rules.n3>) 1)];
  r:binding [ r:variable [ n3:uri "http://josd.github.io/var#x_6"]; r:boundTo [ a r:Existential; n3:nodeId "_:sk_0"]];
  r:rule skolem:lemma8.

skolem:lemma46 a r:Extraction;
  r:gives {
    :Finland :neighbours (:Estonia :Sweden).
  };
  r:because [ a r:Parsing; r:source <http://josd.github.io/eye/reasoning/4color/4color_data.n3>].

skolem:lemma47 a r:Inference;
  r:gives {
    ((:Denmark :red) (:Czech_Republic :green) (:Cyprus :red) (:Croatia :red) (:Bulgaria :red) (:Belgium :red) (:Austria :red)) :places true.
  };
  r:evidence (
    [ a r:Fact; r:gives {((:Denmark :red) (:Czech_Republic :green) (:Cyprus :red) (:Croatia :red) (:Bulgaria :red) (:Belgium :red) (:Austria :red)) e:firstRest ((:Denmark :red) ((:Czech_Republic :green) (:Cyprus :red) (:Croatia :red) (:Bulgaria :red) (:Belgium :red) (:Austria :red)))}]
    skolem:lemma49
    skolem:lemma50
    [ a r:Fact; r:gives {(:red :green :blue :yellow) list:member :red}]
    [ a r:Fact; r:gives {((<http://josd.github.io/eye/reasoning/4color/4color_data.n3> <http://josd.github.io/eye/reasoning/4color/4color_rules.n3>) 1) e:fail {((:Czech_Republic :green) (:Cyprus :red) (:Croatia :red) (:Bulgaria :red) (:Belgium :red) (:Austria :red)) list:member (_:sk_0 :red).
     (:Germany :Sweden) list:member _:sk_0}}]
  );
  r:binding [ r:variable [ n3:uri "http://josd.github.io/var#x_0"]; r:boundTo ((:Denmark :red) (:Czech_Republic :green) (:Cyprus :red) (:Croatia :red) (:Bulgaria :red) (:Belgium :red) (:Austria :red))];
  r:binding [ r:variable [ n3:uri "http://josd.github.io/var#x_1"]; r:boundTo [ n3:uri "http://josd.github.io/eye/reasoning/4color#Denmark"]];
  r:binding [ r:variable [ n3:uri "http://josd.github.io/var#x_2"]; r:boundTo [ n3:uri "http://josd.github.io/eye/reasoning/4color#red"]];
  r:binding [ r:variable [ n3:uri "http://josd.github.io/var#x_3"]; r:boundTo ((:Czech_Republic :green) (:Cyprus :red) (:Croatia :red) (:Bulgaria :red) (:Belgium :red) (:Austria :red))];
  r:binding [ r:variable [ n3:uri "http://josd.github.io/var#x_4"]; r:boundTo (:Germany :Sweden)];
  r:binding [ r:variable [ n3:uri "http://josd.github.io/var#x_5"]; r:boundTo ((<http://josd.github.io/eye/reasoning/4color/4color_data.n3> <http://josd.github.io/eye/reasoning/4color/4color_rules.n3>) 1)];
  r:binding [ r:variable [ n3:uri "http://josd.github.io/var#x_6"]; r:boundTo [ a r:Existential; n3:nodeId "_:sk_0"]];
  r:rule skolem:lemma8.

skolem:lemma48 a r:Extraction;
  r:gives {
    :Estonia :neighbours (:Finland :Latvia :Lithuania).
  };
  r:because [ a r:Parsing; r:source <http://josd.github.io/eye/reasoning/4color/4color_data.n3>].

skolem:lemma49 a r:Inference;
  r:gives {
    ((:Czech_Republic :green) (:Cyprus :red) (:Croatia :red) (:Bulgaria :red) (:Belgium :red) (:Austria :red)) :places true.
  };
  r:evidence (
    [ a r:Fact; r:gives {((:Czech_Republic :green) (:Cyprus :red) (:Croatia :red) (:Bulgaria :red) (:Belgium :red) (:Austria :red)) e:firstRest ((:Czech_Republic :green) ((:Cyprus :red) (:Croatia :red) (:Bulgaria :red) (:Belgium :red) (:Austria :red)))}]
    skolem:lemma51
    skolem:lemma52
    [ a r:Fact; r:gives {(:red :green :blue :yellow) list:member :green}]
    [ a r:Fact; r:gives {((<http://josd.github.io/eye/reasoning/4color/4color_data.n3> <http://josd.github.io/eye/reasoning/4color/4color_rules.n3>) 1) e:fail {((:Cyprus :red) (:Croatia :red) (:Bulgaria :red) (:Belgium :red) (:Austria :red)) list:member (_:sk_0 :green).
     (:Germany :Poland :Slovakia :Austria) list:member _:sk_0}}]
  );
  r:binding [ r:variable [ n3:uri "http://josd.github.io/var#x_0"]; r:boundTo ((:Czech_Republic :green) (:Cyprus :red) (:Croatia :red) (:Bulgaria :red) (:Belgium :red) (:Austria :red))];
  r:binding [ r:variable [ n3:uri "http://josd.github.io/var#x_1"]; r:boundTo [ n3:uri "http://josd.github.io/eye/reasoning/4color#Czech_Republic"]];
  r:binding [ r:variable [ n3:uri "http://josd.github.io/var#x_2"]; r:boundTo [ n3:uri "http://josd.github.io/eye/reasoning/4color#green"]];
  r:binding [ r:variable [ n3:uri "http://josd.github.io/var#x_3"]; r:boundTo ((:Cyprus :red) (:Croatia :red) (:Bulgaria :red) (:Belgium :red) (:Austria :red))];
  r:binding [ r:variable [ n3:uri "http://josd.github.io/var#x_4"]; r:boundTo (:Germany :Poland :Slovakia :Austria)];
  r:binding [ r:variable [ n3:uri "http://josd.github.io/var#x_5"]; r:boundTo ((<http://josd.github.io/eye/reasoning/4color/4color_data.n3> <http://josd.github.io/eye/reasoning/4color/4color_rules.n3>) 1)];
  r:binding [ r:variable [ n3:uri "http://josd.github.io/var#x_6"]; r:boundTo [ a r:Existential; n3:nodeId "_:sk_0"]];
  r:rule skolem:lemma8.

skolem:lemma50 a r:Extraction;
  r:gives {
    :Denmark :neighbours (:Germany :Sweden).
  };
  r:because [ a r:Parsing; r:source <http://josd.github.io/eye/reasoning/4color/4color_data.n3>].

skolem:lemma51 a r:Inference;
  r:gives {
    ((:Cyprus :red) (:Croatia :red) (:Bulgaria :red) (:Belgium :red) (:Austria :red)) :places true.
  };
  r:evidence (
    [ a r:Fact; r:gives {((:Cyprus :red) (:Croatia :red) (:Bulgaria :red) (:Belgium :red) (:Austria :red)) e:firstRest ((:Cyprus :red) ((:Croatia :red) (:Bulgaria :red) (:Belgium :red) (:Austria :red)))}]
    skolem:lemma53
    skolem:lemma54
    [ a r:Fact; r:gives {(:red :green :blue :yellow) list:member :red}]
    [ a r:Fact; r:gives {((<http://josd.github.io/eye/reasoning/4color/4color_data.n3> <http://josd.github.io/eye/reasoning/4color/4color_rules.n3>) 1) e:fail {((:Croatia :red) (:Bulgaria :red) (:Belgium :red) (:Austria :red)) list:member (_:sk_0 :red).
     (:Greece) list:member _:sk_0}}]
  );
  r:binding [ r:variable [ n3:uri "http://josd.github.io/var#x_0"]; r:boundTo ((:Cyprus :red) (:Croatia :red) (:Bulgaria :red) (:Belgium :red) (:Austria :red))];
  r:binding [ r:variable [ n3:uri "http://josd.github.io/var#x_1"]; r:boundTo [ n3:uri "http://josd.github.io/eye/reasoning/4color#Cyprus"]];
  r:binding [ r:variable [ n3:uri "http://josd.github.io/var#x_2"]; r:boundTo [ n3:uri "http://josd.github.io/eye/reasoning/4color#red"]];
  r:binding [ r:variable [ n3:uri "http://josd.github.io/var#x_3"]; r:boundTo ((:Croatia :red) (:Bulgaria :red) (:Belgium :red) (:Austria :red))];
  r:binding [ r:variable [ n3:uri "http://josd.github.io/var#x_4"]; r:boundTo (:Greece)];
  r:binding [ r:variable [ n3:uri "http://josd.github.io/var#x_5"]; r:boundTo ((<http://josd.github.io/eye/reasoning/4color/4color_data.n3> <http://josd.github.io/eye/reasoning/4color/4color_rules.n3>) 1)];
  r:binding [ r:variable [ n3:uri "http://josd.github.io/var#x_6"]; r:boundTo [ a r:Existential; n3:nodeId "_:sk_0"]];
  r:rule skolem:lemma8.

skolem:lemma52 a r:Extraction;
  r:gives {
    :Czech_Republic :neighbours (:Germany :Poland :Slovakia :Austria).
  };
  r:because [ a r:Parsing; r:source <http://josd.github.io/eye/reasoning/4color/4color_data.n3>].

skolem:lemma53 a r:Inference;
  r:gives {
    ((:Croatia :red) (:Bulgaria :red) (:Belgium :red) (:Austria :red)) :places true.
  };
  r:evidence (
    [ a r:Fact; r:gives {((:Croatia :red) (:Bulgaria :red) (:Belgium :red) (:Austria :red)) e:firstRest ((:Croatia :red) ((:Bulgaria :red) (:Belgium :red) (:Austria :red)))}]
    skolem:lemma55
    skolem:lemma56
    [ a r:Fact; r:gives {(:red :green :blue :yellow) list:member :red}]
    [ a r:Fact; r:gives {((<http://josd.github.io/eye/reasoning/4color/4color_data.n3> <http://josd.github.io/eye/reasoning/4color/4color_rules.n3>) 1) e:fail {((:Bulgaria :red) (:Belgium :red) (:Austria :red)) list:member (_:sk_0 :red).
     (:Slovenia :Hungary) list:member _:sk_0}}]
  );
  r:binding [ r:variable [ n3:uri "http://josd.github.io/var#x_0"]; r:boundTo ((:Croatia :red) (:Bulgaria :red) (:Belgium :red) (:Austria :red))];
  r:binding [ r:variable [ n3:uri "http://josd.github.io/var#x_1"]; r:boundTo [ n3:uri "http://josd.github.io/eye/reasoning/4color#Croatia"]];
  r:binding [ r:variable [ n3:uri "http://josd.github.io/var#x_2"]; r:boundTo [ n3:uri "http://josd.github.io/eye/reasoning/4color#red"]];
  r:binding [ r:variable [ n3:uri "http://josd.github.io/var#x_3"]; r:boundTo ((:Bulgaria :red) (:Belgium :red) (:Austria :red))];
  r:binding [ r:variable [ n3:uri "http://josd.github.io/var#x_4"]; r:boundTo (:Slovenia :Hungary)];
  r:binding [ r:variable [ n3:uri "http://josd.github.io/var#x_5"]; r:boundTo ((<http://josd.github.io/eye/reasoning/4color/4color_data.n3> <http://josd.github.io/eye/reasoning/4color/4color_rules.n3>) 1)];
  r:binding [ r:variable [ n3:uri "http://josd.github.io/var#x_6"]; r:boundTo [ a r:Existential; n3:nodeId "_:sk_0"]];
  r:rule skolem:lemma8.

skolem:lemma54 a r:Extraction;
  r:gives {
    :Cyprus :neighbours (:Greece).
  };
  r:because [ a r:Parsing; r:source <http://josd.github.io/eye/reasoning/4color/4color_data.n3>].

skolem:lemma55 a r:Inference;
  r:gives {
    ((:Bulgaria :red) (:Belgium :red) (:Austria :red)) :places true.
  };
  r:evidence (
    [ a r:Fact; r:gives {((:Bulgaria :red) (:Belgium :red) (:Austria :red)) e:firstRest ((:Bulgaria :red) ((:Belgium :red) (:Austria :red)))}]
    skolem:lemma57
    skolem:lemma58
    [ a r:Fact; r:gives {(:red :green :blue :yellow) list:member :red}]
    [ a r:Fact; r:gives {((<http://josd.github.io/eye/reasoning/4color/4color_data.n3> <http://josd.github.io/eye/reasoning/4color/4color_rules.n3>) 1) e:fail {((:Belgium :red) (:Austria :red)) list:member (_:sk_0 :red).
     (:Romania :Greece) list:member _:sk_0}}]
  );
  r:binding [ r:variable [ n3:uri "http://josd.github.io/var#x_0"]; r:boundTo ((:Bulgaria :red) (:Belgium :red) (:Austria :red))];
  r:binding [ r:variable [ n3:uri "http://josd.github.io/var#x_1"]; r:boundTo [ n3:uri "http://josd.github.io/eye/reasoning/4color#Bulgaria"]];
  r:binding [ r:variable [ n3:uri "http://josd.github.io/var#x_2"]; r:boundTo [ n3:uri "http://josd.github.io/eye/reasoning/4color#red"]];
  r:binding [ r:variable [ n3:uri "http://josd.github.io/var#x_3"]; r:boundTo ((:Belgium :red) (:Austria :red))];
  r:binding [ r:variable [ n3:uri "http://josd.github.io/var#x_4"]; r:boundTo (:Romania :Greece)];
  r:binding [ r:variable [ n3:uri "http://josd.github.io/var#x_5"]; r:boundTo ((<http://josd.github.io/eye/reasoning/4color/4color_data.n3> <http://josd.github.io/eye/reasoning/4color/4color_rules.n3>) 1)];
  r:binding [ r:variable [ n3:uri "http://josd.github.io/var#x_6"]; r:boundTo [ a r:Existential; n3:nodeId "_:sk_0"]];
  r:rule skolem:lemma8.

skolem:lemma56 a r:Extraction;
  r:gives {
    :Croatia :neighbours (:Slovenia :Hungary).
  };
  r:because [ a r:Parsing; r:source <http://josd.github.io/eye/reasoning/4color/4color_data.n3>].

skolem:lemma57 a r:Inference;
  r:gives {
    ((:Belgium :red) (:Austria :red)) :places true.
  };
  r:evidence (
    [ a r:Fact; r:gives {((:Belgium :red) (:Austria :red)) e:firstRest ((:Belgium :red) ((:Austria :red)))}]
    skolem:lemma59
    skolem:lemma60
    [ a r:Fact; r:gives {(:red :green :blue :yellow) list:member :red}]
    [ a r:Fact; r:gives {((<http://josd.github.io/eye/reasoning/4color/4color_data.n3> <http://josd.github.io/eye/reasoning/4color/4color_rules.n3>) 1) e:fail {((:Austria :red)) list:member (_:sk_0 :red).
     (:France :Netherlands :Luxemburg :Germany :United_Kingdom) list:member _:sk_0}}]
  );
  r:binding [ r:variable [ n3:uri "http://josd.github.io/var#x_0"]; r:boundTo ((:Belgium :red) (:Austria :red))];
  r:binding [ r:variable [ n3:uri "http://josd.github.io/var#x_1"]; r:boundTo [ n3:uri "http://josd.github.io/eye/reasoning/4color#Belgium"]];
  r:binding [ r:variable [ n3:uri "http://josd.github.io/var#x_2"]; r:boundTo [ n3:uri "http://josd.github.io/eye/reasoning/4color#red"]];
  r:binding [ r:variable [ n3:uri "http://josd.github.io/var#x_3"]; r:boundTo ((:Austria :red))];
  r:binding [ r:variable [ n3:uri "http://josd.github.io/var#x_4"]; r:boundTo (:France :Netherlands :Luxemburg :Germany :United_Kingdom)];
  r:binding [ r:variable [ n3:uri "http://josd.github.io/var#x_5"]; r:boundTo ((<http://josd.github.io/eye/reasoning/4color/4color_data.n3> <http://josd.github.io/eye/reasoning/4color/4color_rules.n3>) 1)];
  r:binding [ r:variable [ n3:uri "http://josd.github.io/var#x_6"]; r:boundTo [ a r:Existential; n3:nodeId "_:sk_0"]];
  r:rule skolem:lemma8.

skolem:lemma58 a r:Extraction;
  r:gives {
    :Bulgaria :neighbours (:Romania :Greece).
  };
  r:because [ a r:Parsing; r:source <http://josd.github.io/eye/reasoning/4color/4color_data.n3>].

skolem:lemma59 a r:Inference;
  r:gives {
    ((:Austria :red)) :places true.
  };
  r:evidence (
    [ a r:Fact; r:gives {((:Austria :red)) e:firstRest ((:Austria :red) ())}]
    skolem:lemma61
    skolem:lemma62
    [ a r:Fact; r:gives {(:red :green :blue :yellow) list:member :red}]
    [ a r:Fact; r:gives {((<http://josd.github.io/eye/reasoning/4color/4color_data.n3> <http://josd.github.io/eye/reasoning/4color/4color_rules.n3>) 1) e:fail {() list:member (_:sk_0 :red).
     (:Czech_Republic :Germany :Hungary :Italy :Slovenia :Slovakia) list:member _:sk_0}}]
  );
  r:binding [ r:variable [ n3:uri "http://josd.github.io/var#x_0"]; r:boundTo ((:Austria :red))];
  r:binding [ r:variable [ n3:uri "http://josd.github.io/var#x_1"]; r:boundTo [ n3:uri "http://josd.github.io/eye/reasoning/4color#Austria"]];
  r:binding [ r:variable [ n3:uri "http://josd.github.io/var#x_2"]; r:boundTo [ n3:uri "http://josd.github.io/eye/reasoning/4color#red"]];
  r:binding [ r:variable [ n3:uri "http://josd.github.io/var#x_3"]; r:boundTo ()];
  r:binding [ r:variable [ n3:uri "http://josd.github.io/var#x_4"]; r:boundTo (:Czech_Republic :Germany :Hungary :Italy :Slovenia :Slovakia)];
  r:binding [ r:variable [ n3:uri "http://josd.github.io/var#x_5"]; r:boundTo ((<http://josd.github.io/eye/reasoning/4color/4color_data.n3> <http://josd.github.io/eye/reasoning/4color/4color_rules.n3>) 1)];
  r:binding [ r:variable [ n3:uri "http://josd.github.io/var#x_6"]; r:boundTo [ a r:Existential; n3:nodeId "_:sk_0"]];
  r:rule skolem:lemma8.

skolem:lemma60 a r:Extraction;
  r:gives {
    :Belgium :neighbours (:France :Netherlands :Luxemburg :Germany :United_Kingdom).
  };
  r:because [ a r:Parsing; r:source <http://josd.github.io/eye/reasoning/4color/4color_data.n3>].

skolem:lemma61 a r:Inference;
  r:gives {
    () :places true.
  };
  r:evidence (
    [ a r:Fact; r:gives true]
  );
  r:rule skolem:lemma63.

skolem:lemma62 a r:Extraction;
  r:gives {
    :Austria :neighbours (:Czech_Republic :Germany :Hungary :Italy :Slovenia :Slovakia).
  };
  r:because [ a r:Parsing; r:source <http://josd.github.io/eye/reasoning/4color/4color_data.n3>].

skolem:lemma63 a r:Extraction;
  r:gives {
    {() :places true} <= true.
  };
  r:because [ a r:Parsing; r:source <http://josd.github.io/eye/reasoning/4color/4color_rules.n3>].

