Sets are pairwise-disjoint if and only if every set is disjoint from every other set.Notes:
- Source: KIF Version 3.0 Specification
(<=> (Pairwise-Disjoint @Sets) (Forall (?S1 ?S2) (=> (Item@Ol-User%Kif-Lists ?S1 (Listof @Sets)) (Item@Ol-User%Kif-Lists ?S2 (Listof @Sets)) (Or (= ?S1 ?S2) (Disjoint ?S1 ?S2)))))
(Undefined@Ol-User%Kif-Extensions (Arity@Frame-Ontology Pairwise-Disjoint))
(<=> (Set-Partition ?S @Sets) (And (= ?S (Union @Sets)) (Pairwise-Disjoint @Sets)))
(Pairwise-Disjoint @Sets)