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Entity > Abstract > Class > Relation > BinaryRelation > BinaryPredicate > contraryProperty

contraryProperty
subject			fact

contraryProperty	documentation Means that the two arguments are properties that are opposed to one another, e.g. Pliable versus Rigid
	has axiom (=> (and (attribute ?OBJ ?ATTR1) (contraryProperty ?ATTR1 ?ATTR2)) (not (attribute ?OBJ ?ATTR2)))
	has domain1 Attribute
	has domain2 Attribute
	is an instance of BinaryPredicate
	is an instance of IrreflexiveRelation
	is an instance of SymmetricRelation
	is an instance of TransitiveRelation
BinaryRelation	is first domain of DomainFn
	is first domain of equivalenceRelationOn
	is first domain of inverse
	is first domain of irreflexiveOn
	is first domain of partialOrderingOn
	is first domain of RangeFn
	is first domain of reflexiveOn
	is first domain of totalOrderingOn
	is first domain of trichotomizingOn
	is second domain of inverse
Predicate	is first domain of singleValued
Class	is third domain of domain
	is third domain of domainSubclass
Abstract	is disjoint from Physical

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