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Entity > Abstract > Class > Relation > Function > BinaryFunction > RelativeComplementFn
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RelativeComplementFn comparison table
Subject have domain2 have domain1 have range documentation have axiom is a kind of is an instance of
BinaryFunction   The Class of Functions that require two arguments
(=>
(instance ?FUNCTION BinaryFunction)
(valence ?FUNCTION 2))
TernaryRelation 
RelativeComplementFnClassClassClassA BinaryFunction that maps two Classes to the difference between these Classes. More precisely, the relative complement of one class C1 relative to another C2 consists of the instances of C1 that are instances of the ComplementFn of C2
(equal (RelativeComplementFn ?CLASS1 ?CLASS2)
(IntersectionFn ?CLASS1 (ComplementFn ?CLASS2)))
 BinaryFunction

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