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Sigma KEE - QuaternaryRelation
KB Term: 
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四元关系
QuaternaryRelation 连接四个项目。 QuaternaryRelation 的两个 subclassQuaternaryPredicateTernaryFunction
Relationships      
Parents 可继承的关系 The class of Relations whose properties can be inherited downward in the class hierarchy via the subrelation Predicate.
  关系 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 四元谓语The Class of Predicates that require four arguments.
 三元函数The Class of Functions that require exactly three arguments.


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