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Relation: subclass

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BinaryRelation1221BinaryRelations are relations that are true only of pairs of things. BinaryRelations are repres...^
    ReflexiveRelation83Relation ?REL is reflexive iff (?REL ?INST ?INST) for all ?INST.^
        PartialOrderingRelation64A BinaryRelation is a partial ordering if it is a ReflexiveRelation, an AntisymmetricRelation...^
        EquivalenceRelation9A BinaryRelation is an equivalence relation if it is a ReflexiveRelation, a SymmetricRelation...^

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