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Sigma KEE - Function
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Function
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 SetOrClass, and each element of the range is an instance of the SetOrClass.
Relationships      
Parents InheritableRelation The class of Relations whose properties can be inherited downward in the class hierarchy via the subrelation Predicate.
  SingleValuedRelation A Relation is a SingleValuedRelation just in case an assignment of values to every argument position except the last one determines at most one assignment for the last argument position. Note that not all SingleValuedRelations are TotalValuedRelations.
Children BinaryFunctionThe Class of Functions that require two arguments.
 ContinuousFunctionFunctions which are continuous. This concept is taken as primitive until representations for limits are devised.
 QuaternaryFunctionThe Class of Functions that require exactly four arguments.
 TernaryFunctionThe Class of Functions that require exactly three arguments.
 UnaryFunctionThe Class of Functions that require a single argument.


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