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Entity > Abstract > Class > Relation > BinaryRelation > UnaryFunction > IdentityFn

IdentityFn
subject			fact

IdentityFn	documentation The value of the identity function is just its argument
	has axiom (equal (IdentityFn ?INST) ?INST)
	has domain1 Entity
	has range Entity
	is an instance of UnaryFunction
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
Function	is first domain of AssignmentFn
	is first domain of closedOn
	is first domain of range
	is first domain of rangeSubclass
Class	is third domain of domain
	is third domain of domainSubclass
Abstract	is disjoint from Physical

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