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Entity > Abstract > Class > Relation > BinaryRelation > AntisymmetricRelation > PartialOrderingRelation > subsumesContentClass

subsumesContentClass
subject			fact

subsumesContentClass	documentation A BinaryPredicate that relates two subclasses of ContentBearingObject. (subsumesContentClass ?CLASS1 ?CLASS2) means that the content expressed by each instance of ?CLASS1 is also expressed by each instance of ?CLASS2. Examples include the relationship between a poem and one of its stanzas or between a book and one of its chapters. Note that this is a relation between subclasses of ContentBearingObject, rather than instances. If one wants to relate instances, the Predicate subsumesContentInstance can be used. Note that subsumesContentClass is needed in many cases. Consider, for example, the relation between the King James edition of the Bible and its Book of Genesis. This relation holds for every copy of this edition and not just for a single instance
	has axiom (<=> (and (subsumesContentClass ?CLASS1 ?CLASS2) (subsumesContentClass ?CLASS2 ?CLASS1)) (equivalentContentClass ?CLASS1 ?CLASS2))
	has axiom (<=> (subsumesContentClass ?CLASS1 ?CLASS2) (forall (?INFO ?OBJ1 ?OBJ2) (=> (and (instance ?OBJ1 ?CLASS1) (instance ?OBJ2 ?CLASS2) (containsInformation ?OBJ1 ?INFO)) (containsInformation ?OBJ2 ?INFO))))
	has domain1 ContentBearingObject
	has domain2 ContentBearingObject
	is an instance of BinaryPredicate
	is an instance of PartialOrderingRelation
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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