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Entity > Abstract > Class > Relation > BinaryRelation > AntisymmetricRelation > AsymmetricRelation > on

on
subject			fact

on	documentation This is a cognitive primitive, derived from the up/down schema and involving contact. (on ?OBJ1 ?OBJ2) means that ?OBJ1 is on top of ?OBJ2
	has axiom (=> (under ?OBJ1 ?OBJ2) (or (on ?OBJ2 ?OBJ1) (above ?OBJ2 ?OBJ1)))
	is an instance of AsymmetricRelation
	is an instance of IntransitiveRelation
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
Class	is third domain of domain
	is third domain of domainSubclass
Abstract	is disjoint from Physical

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