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 EulerPhi

 http://functions.wolfram.com/13.06.29.0004.01

 Input Form

 EulerPhi[n] >= Log[x n]/Log[x] /; n > 2 && Element[x, Reals] && x > 6

 Standard Form

 Cell[BoxData[RowBox[List[RowBox[List[RowBox[List["EulerPhi", "[", "n", "]"]], "\[GreaterEqual]", FractionBox[RowBox[List["Log", "[", RowBox[List["x", " ", "n"]], "]"]], RowBox[List["Log", "[", "x", "]"]]]]], "/;", RowBox[List[RowBox[List["n", ">", "2"]], "\[And]", RowBox[List["x", "\[Element]", "Reals"]], "\[And]", RowBox[List["x", ">", "6"]]]]]]]]

 MathML Form

 ϕ TagBox["\[Phi]", EulerPhi] ( n ) log ( x n ) log ( x ) /; n > 2 x TagBox["\[DoubleStruckCapitalR]", Function[Reals]] x > 6 Condition EulerPhi n x n x -1 n 2 x x 6 [/itex]

 Rule Form

 Cell[BoxData[RowBox[List[RowBox[List[RowBox[List["EulerPhi", "[", "n", "]"]], "\[GreaterEqual]", FractionBox[RowBox[List["Log", "[", RowBox[List["x", " ", "n"]], "]"]], RowBox[List["Log", "[", "x", "]"]]]]], "/;", RowBox[List[RowBox[List["n", ">", "2"]], "&&", RowBox[List["x", "\[Element]", "Reals"]], "&&", RowBox[List["x", ">", "6"]]]]]]]]

 Date Added to functions.wolfram.com (modification date)

 2002-12-18