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  SymmetricRelation

 Sigma KEE - SymmetricRelation
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Relacao Simetrica
A BinaryRelation ?REL is symmetric just iff (?REL ?INST1 ?INST2) imples (?REL ?INST2 ?INST1), for all ?INST1 and ?INST2.
Relationships      
Parents Relacao Binaria BinaryRelations are relations that are true only of pairs of things. BinaryRelations are represented as slots in frame systems.
Children Relacao QquivalenteA BinaryRelation is an equivalence relation if it is a ReflexiveRelation, a SymmetricRelation, and a TransitiveRelation.


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