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Relation: subclass

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TransitiveRelation108A BinaryRelation ?REL is transitive if (?REL ?INST1 ?INST2) and (?REL ?INST2 ?INST3) imply (?REL ...^
SymmetricRelation40A BinaryRelation ?REL is symmetric just iff (?REL ?INST1 ?INST2) imples (?REL ?INST2 ?INST1), for...^
ReflexiveRelation70Relation ?REL is reflexive iff (?REL ?INST ?INST) for all ?INST.^
    EquivalenceRelation6A BinaryRelation is an equivalence relation if it is a ReflexiveRelation, a SymmetricRelation...^

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