SquareRootFn concept from the SUMO knowledge base

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SquareRootFn	*documentation* (SquareRootFn ?NUMBER) is the principal square root of ?NUMBER
	has axiom (=> (equal (SquareRootFn ?NUMBER1) ?NUMBER2) (equal (MultiplicationFn ?NUMBER2 ?NUMBER2) ?NUMBER1))
	has domain1 RealNumber
	has range RealNumber
	*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
Class	*is third domain* of** domainSubclass
Abstract	*is disjoint* from** Physical