a == Mod[b, LCM[n, m]] /; a == Mod[b, n] && a == Mod[b, m] && Element[a, Integers] && a > 0 && Element[b, Integers] && b > 0 && Element[n, Integers] && n > 0 && Element[m, Integers] && m > 0

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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> <mi> a </mi> <mo> &#10869; </mo> <semantics> <mrow> <mi> b </mi> <mo> &#8290; </mo> <mi> mod </mi> <mo> &#8290; </mo> <mrow> <mi> lcm </mi> <mo> ( </mo> <mrow> <mi> n </mi> <mo> , </mo> <mi> m </mi> </mrow> <mo> ] </mo> </mrow> </mrow> <annotation-xml encoding='MathML-Content'> <apply> <rem /> <ci> $CellContext`b </ci> <apply> <lcm /> <ci> $CellContext`n </ci> <ci> $CellContext`m </ci> </apply> </apply> </annotation-xml> </semantics> </mrow> <mo> /; </mo> <mrow> <mrow> <mi> a </mi> <mo> &#10869; </mo> <semantics> <mrow> <mi> b </mi> <mo> &#8290; </mo> <mi> mod </mi> <mo> &#8290; </mo> <mi> n </mi> </mrow> <annotation-xml encoding='MathML-Content'> <apply> <rem /> <ci> $CellContext`b </ci> <ci> $CellContext`n </ci> </apply> </annotation-xml> </semantics> </mrow> <mo> &#8743; </mo> <mrow> <mi> a </mi> <mo> &#10869; </mo> <semantics> <mrow> <mi> b </mi> <mo> &#8290; </mo> <mi> mod </mi> <mo> &#8290; </mo> <mi> m </mi> </mrow> <annotation-xml encoding='MathML-Content'> <apply> <rem /> <ci> $CellContext`b </ci> <ci> $CellContext`m </ci> </apply> </annotation-xml> </semantics> </mrow> <mo> &#8743; </mo> <mrow> <mi> a </mi> <mo> &#8712; </mo> <msup> <semantics> <mi> &#8469; </mi> <annotation encoding='Mathematica'> TagBox[&quot;\[DoubleStruckCapitalN]&quot;, Function[Integers]] </annotation> </semantics> <mo> + </mo> </msup> </mrow> <mo> &#8743; </mo> <mrow> <mi> b </mi> <mo> &#8712; </mo> <msup> <semantics> <mi> &#8469; </mi> <annotation encoding='Mathematica'> TagBox[&quot;\[DoubleStruckCapitalN]&quot;, Function[Integers]] </annotation> </semantics> <mo> + </mo> </msup> </mrow> <mo> &#8743; </mo> <mrow> <mi> n </mi> <mo> &#8712; </mo> <msup> <semantics> <mi> &#8469; </mi> <annotation encoding='Mathematica'> TagBox[&quot;\[DoubleStruckCapitalN]&quot;, Function[Integers]] </annotation> </semantics> <mo> + </mo> </msup> </mrow> <mo> &#8743; </mo> <mrow> <mi> m </mi> <mo> &#8712; </mo> <msup> <semantics> <mi> &#8469; </mi> <annotation encoding='Mathematica'> TagBox[&quot;\[DoubleStruckCapitalN]&quot;, Function[Integers]] </annotation> </semantics> <mo> + </mo> </msup> </mrow> </mrow> </mrow> <annotation-xml encoding='MathML-Content'> <apply> <ci> Condition </ci> <apply> <eq /> <ci> a </ci> <apply> <rem /> <ci> $CellContext`b </ci> <apply> <lcm /> <ci> $CellContext`n </ci> <ci> $CellContext`m </ci> </apply> </apply> </apply> <apply> <and /> <apply> <eq /> <ci> a </ci> <apply> <rem /> <ci> $CellContext`b </ci> <ci> $CellContext`n </ci> </apply> </apply> <apply> <eq /> <ci> a </ci> <apply> <rem /> <ci> $CellContext`b </ci> <ci> $CellContext`m </ci> </apply> </apply> <apply> <in /> <ci> a </ci> <apply> <ci> SuperPlus </ci> <integers /> </apply> </apply> <apply> <in /> <ci> b </ci> <apply> <ci> SuperPlus </ci> <integers /> </apply> </apply> <apply> <in /> <ci> n </ci> <apply> <ci> SuperPlus </ci> <integers /> </apply> </apply> <apply> <in /> <ci> m </ci> <apply> <ci> SuperPlus </ci> <integers /> </apply> </apply> </apply> </apply> </annotation-xml> </semantics> </math>

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2001-10-29