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Sigma KEE - TernaryRelation
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TernaryRelation
TernaryRelations relate three items. The two subclasses of TernaryRelation are TernaryPredicate and BinaryFunction.
Relationships      
Parents InheritableRelation The class of Relations whose properties can be inherited downward in the class hierarchy via the subrelation Predicate.
  Relation The Class of relations. There are three kinds of Relation: Predicate, Function, and List. Predicates and Functions both denote sets of ordered n-tuples. The difference between these two Classes is that Predicates cover formula-forming operators, while Functions cover term-forming operators. A List, on the other hand, is a particular ordered n-tuple.
Children BinaryFunctionThe Class of Functions that require two arguments.
 TernaryPredicateThe Class of Predicates that require exactly three arguments.


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