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Sigma KEE - TernaryFunction
KB Term: 
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三元函数
这是个需要恰好三个参数的 Function Class。
Relationships      
Parents 函数 A Function is a term-forming Relation that maps from a n-tuple of arguments to a range and that associates this n-tuple with at most one range element. Note that the range is a Class, and each element of the range is an instance of the Class.
  可继承的关系 The class of Relations whose properties can be inherited downward in the class hierarchy via the subrelation Predicate.
  四元关系 QuaternaryRelations relate four items. The two subclasses of QuaternaryRelation are QuaternaryPredicate and TernaryFunction.
InstancesMusicalInterpretationFnThe function (MusicalInterpretationFn ?A ?M ?T) returns an instance of MakingMusic that refers to a particular instance of MakingMusic by CognitiveAgent ?A of the realization of Music ?M during TimeInterval ?T.
 SubListFnA Function that returns a portion of the List that runs from the first index to the second index - 1. Note that lists subscripts begin at 1.
 SubstringFn(SubstringFn ?SymbolicString ?NonnegativeInteger-1 ?NonnegativeInteger-2) denotes a string that is a subString of ?SymbolicString, begins with the Character at the index ?NonnegativeInteger-1, and ends with the Character at the index (SubtractionFn ?NonnegativeInteger-2 1). The first Character in ?SymbolicString is denoted by the index 0. If the value of ?NonnegativeInteger-1 or ?NonnegativeInteger-2 is greater than the value of (StringLengthFn ?SymbolicString), or if ?NonnegativeInteger-1 is greater than ?NonnegativeInteger-2, the result of evaluating the SubstringFn expression is undefined. Example: (equal "Charle" (SubstringFn "Charles Darwin" 0 6)).


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