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http://functions.wolfram.com/13.04.29.0002.01
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PrimePi[2 x] < 2 PrimePi[x] /; x >= 3
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Cell[BoxData[RowBox[List[RowBox[List[RowBox[List["PrimePi", "[", RowBox[List["2", "x"]], "]"]], "<", RowBox[List["2", RowBox[List["PrimePi", "[", "x", "]"]]]]]], "/;", RowBox[List["x", "\[GreaterEqual]", "3"]]]]]]
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<math xmlns='http://www.w3.org/1998/Math/MathML' mathematica:form='TraditionalForm' xmlns:mathematica='http://www.wolfram.com/XML/'> <semantics> <mrow> <mrow> <mrow> <semantics> <mi> π </mi> <annotation encoding='Mathematica'> TagBox["\[Pi]", PrimePi] </annotation> </semantics> <mo> ( </mo> <mrow> <mn> 2 </mn> <mo> ⁢ </mo> <mi> x </mi> </mrow> <mo> ) </mo> </mrow> <mo> < </mo> <mrow> <mn> 2 </mn> <mo> ⁢ </mo> <mrow> <semantics> <mi> π </mi> <annotation encoding='Mathematica'> TagBox["\[Pi]", PrimePi] </annotation> </semantics> <mo> ( </mo> <mi> x </mi> <mo> ) </mo> </mrow> </mrow> </mrow> <mo> /; </mo> <mrow> <mi> x </mi> <mo> ≥ </mo> <mn> 3 </mn> </mrow> </mrow> <annotation-xml encoding='MathML-Content'> <apply> <ci> Condition </ci> <apply> <lt /> <apply> <ci> PrimePi </ci> <apply> <times /> <cn type='integer'> 2 </cn> <ci> x </ci> </apply> </apply> <apply> <times /> <cn type='integer'> 2 </cn> <apply> <ci> PrimePi </ci> <ci> x </ci> </apply> </apply> </apply> <apply> <geq /> <ci> x </ci> <cn type='integer'> 3 </cn> </apply> </apply> </annotation-xml> </semantics> </math>
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| Cell[BoxData[RowBox[List[RowBox[List[RowBox[List["PrimePi", "[", RowBox[List["2", " ", "x"]], "]"]], "<", RowBox[List["2", " ", RowBox[List["PrimePi", "[", "x", "]"]]]]]], "/;", RowBox[List["x", "\[GreaterEqual]", "3"]]]]]] |
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Date Added to functions.wolfram.com (modification date)
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){kind=small}
