Class Equivalence

• Defined in ontology: Kif-meta
• Source pathname: /tmp_mnt/vol/q/htw/cms/ontolingua/examples/kif/../../all-ontologies/kif/kif-meta.lisp

Subclass-Of@Frame-Ontology: Logsent, Expression, Sentence

Instance-Of@Frame-Ontology: Class@Frame-Ontology, Relation@Ol-User%Kif-Relations, Set

Arity@Frame-Ontology: 1

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Slots:

Equivalence Axioms for Equivalence:

(<=> (Equivalence ?X)
     (Exists (?P1 ?P2)
             (And (Sentence ?P1)
                  (Sentence ?P2)
                  (= ?X (Listof '<=> ?P1 ?P2)))))

Frame References to Equivalence:

In class@frame-ontology Logsent:

Exhaustive-Subclass-Partition@Frame-Ontology: {

Conjunction, Disjunction, Equivalence, Implication, Negation, Reverse-Implication}