Sqrt[z] == z^a /; a == 1/2
Cell[BoxData[RowBox[List[RowBox[List[SqrtBox["z"], "\[Equal]", SuperscriptBox["z", "a"]]], "/;", RowBox[List["a", "\[Equal]", FractionBox["1", "2"]]]]]]]
<math xmlns='http://www.w3.org/1998/Math/MathML' mathematica:form='TraditionalForm' xmlns:mathematica='http://www.wolfram.com/XML/'> <semantics> <mrow> <mrow> <msqrt> <mi> z </mi> </msqrt> <mo> ⩵ </mo> <msup> <mi> z </mi> <mi> a </mi> </msup> </mrow> <mo> /; </mo> <mrow> <mi> a </mi> <mo> ⩵ </mo> <mfrac> <mn> 1 </mn> <mn> 2 </mn> </mfrac> </mrow> </mrow> <annotation-xml encoding='MathML-Content'> <apply> <ci> Condition </ci> <apply> <eq /> <apply> <power /> <ci> z </ci> <cn type='rational'> 1 <sep /> 2 </cn> </apply> <apply> <power /> <ci> z </ci> <ci> a </ci> </apply> </apply> <apply> <eq /> <ci> a </ci> <cn type='rational'> 1 <sep /> 2 </cn> </apply> </apply> </annotation-xml> </semantics> </math>
Cell[BoxData[RowBox[List[RowBox[List["HoldPattern", "[", SqrtBox["z_"], "]"]], "\[RuleDelayed]", RowBox[List[SuperscriptBox["z", "a"], "/;", RowBox[List["a", "\[Equal]", FractionBox["1", "2"]]]]]]]]]
2001-10-29