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Sigma KEE - ReflexiveRelation
KB Term: 
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反射関係
Relation ?REL は、すべての ?INST に対し (?REL ?INST ?INST) の場合のみ再帰的である。
Relationships      
Parents 2項関係 BinaryRelations are relations that are true only of pairs of things. BinaryRelations are represented as slots in frame systems.
Children 同値関係A BinaryRelation is an equivalence relation if it is a ReflexiveRelation, a SymmetricRelation, and a TransitiveRelation.
 半順序関係A BinaryRelation is a partial ordering if it is a ReflexiveRelation, an AntisymmetricRelation, and a TransitiveRelation.


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