(<=> (Rest ?List)
(Or (And (Null ?List) (= ?Rest-List ?List))
(Exists (?X @Items)
(And (= ?List (Listof ?X @Items))
(= ?Rest-List (Listof @Items))))))
(=> (= (Rest ?List) ?Rest-List)
(Or (And (Null ?List) (= ?Rest-List ?List))
(Exists (?X @Items)
(And (= ?List (Listof ?X @Items))
(= ?Rest-List (Listof @Items))))))
(=> (Item ?X ?List) (Or (= ?X (First ?List)) (Item ?X (Rest ?List))))
(=> (Sublist ?L1 ?L2) (Or (= ?L1 ?L2) (Sublist ?L1 (Rest ?L2))))
(=> (Composition-Of@Frame-Ontology ?Binary-Relation
?List-Of-Relations)
(Or (And (Single ?List-Of-Relations)
(= ?Binary-Relation (First ?List-Of-Relations)))
(And (Double ?List-Of-Relations)
(= ?Binary-Relation
(Composition@Ol-User%Kif-Relations
(First (Rest ?List-Of-Relations))
(First ?List-Of-Relations))))
(Exists
(?Left-Sub-Relation)
(And (= ?Binary-Relation
(Composition@Ol-User%Kif-Relations
(Last ?List-Of-Relations)
?Left-Sub-Relation))
(Composition-Of@Frame-Ontology
?Left-Sub-Relation
(Butlast ?List-Of-Relations))))))
(<=> (Composition-Of@Frame-Ontology ?Binary-Relation
?List-Of-Relations)
(And (Binary-Relation@Ol-User%Kif-Relations ?Binary-Relation)
(List ?List-Of-Relations)
(Not (Null ?List-Of-Relations))
(=> (Item ?R ?List-Of-Relations)
(Binary-Relation@Ol-User%Kif-Relations ?R))
(Or (And (Single ?List-Of-Relations)
(= ?Binary-Relation (First ?List-Of-Relations)))
(And (Double ?List-Of-Relations)
(= ?Binary-Relation
(Composition@Ol-User%Kif-Relations
(First (Rest ?List-Of-Relations))
(First ?List-Of-Relations))))
(Exists
(?Left-Sub-Relation)
(And (= ?Binary-Relation
(Composition@Ol-User%Kif-Relations
(Last ?List-Of-Relations)
?Left-Sub-Relation))
(Composition-Of@Frame-Ontology
?Left-Sub-Relation
(Butlast ?List-Of-Relations)))))))