Simple Knowledge base Browser - SingleValuedRelation

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Sigma KEE - SingleValuedRelation

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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.

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	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.