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Sigma KEE - IrreflexiveRelation
KB Term: 

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IrreflexiveRelation
Relation ?REL is irreflexive iff (?REL ?INST ?INST) holds for no value of ?INST.
Relationships      
Parents BinaryRelation BinaryRelations are relations that are true only of pairs of things. BinaryRelations are represented as slots in frame systems.
Children AsymmetricRelationA BinaryRelation is asymmetric if and only if it is both an AntisymmetricRelation and an IrreflexiveRelation.


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