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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 inheritable relation The class of Relations whose properties can be inherited downward in the class hierarchy via the subrelation Predicate.
  single valued relation 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 binary functionThe Class of Functions that require two arguments.
 continuous functionFunctions which are continuous. This concept is taken as primitive until representations for limits are devised.
 quaternary functionThe Class of Functions that require exactly four arguments.
 ternary functionThe Class of Functions that require exactly three arguments.
 unary functionThe Class of Functions that require a single argument.


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