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Entity > Abstract > Class > Relation > BinaryRelation > UnaryFunction > SquareRootFn
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SquareRootFn comparison table
Subject have domain1 have range documentation have axiom is a kind of is an instance of
UnaryFunction  The Class of Functions that require a single argument
(=>
(instance ?FUNCTION UnaryFunction)
(valence ?FUNCTION 1))
Function 
SquareRootFnRealNumberRealNumber(SquareRootFn ?NUMBER) is the principal square root of ?NUMBER
(=>
(equal (SquareRootFn ?NUMBER1) ?NUMBER2)
(equal (MultiplicationFn ?NUMBER2 ?NUMBER2) ?NUMBER1))
 UnaryFunction

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