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   http://functions.wolfram.com/07.38.03.0004.01
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    ClebschGordan[{Subscript[j, 1], Subscript[m, 1]}, 
   {Subscript[j, 2], Subscript[m, 2]}, 
   {Subscript[j, 1] + Subscript[j, 2] - 1, Subscript[m, 1] + 
     Subscript[m, 2]}] == 2 (Subscript[j, 2] Subscript[m, 1] - 
    Subscript[j, 1] Subscript[m, 2]) 
   ((Sqrt[2 Subscript[j, 1] + 2 Subscript[j, 2] - 1] 
     Sqrt[(2 Subscript[j, 1] - 1)!] Sqrt[(2 Subscript[j, 2] - 1)!] 
     Sqrt[(Subscript[j, 1] + Subscript[j, 2] + Subscript[m, 1] + 
        Subscript[m, 2] - 1)!] Sqrt[(Subscript[j, 1] + Subscript[j, 2] - 
        Subscript[m, 1] - Subscript[m, 2] - 1)!])/
    (Sqrt[(2 Subscript[j, 1] + 2 Subscript[j, 2])!] 
     Sqrt[(Subscript[j, 1] + Subscript[m, 1])!] 
     Sqrt[(Subscript[j, 1] - Subscript[m, 1])!] 
     Sqrt[(Subscript[j, 2] + Subscript[m, 2])!] 
     Sqrt[(Subscript[j, 2] - Subscript[m, 2])!])) /; 
 \[ScriptCapitalP]\[ScriptH]\[ScriptY]\[ScriptS]\[ScriptI]\[ScriptC]\
\[ScriptA]\[ScriptL]\[ScriptCapitalQ][{Subscript[j, 1], Subscript[m, 1]}, 
  {Subscript[j, 2], Subscript[m, 2]}, {Subscript[j, 1] + Subscript[j, 2] - 1, 
   Subscript[m, 1] + Subscript[m, 2]}] 
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   Cell[BoxData[RowBox[List[RowBox[List[RowBox[List["ClebschGordan", "[", RowBox[List[RowBox[List["{", RowBox[List[SubscriptBox["j", "1"], ",", SubscriptBox["m", "1"]]], "}"]], ",", RowBox[List["{", RowBox[List[SubscriptBox["j", "2"], ",", SubscriptBox["m", "2"]]], "}"]], ",", RowBox[List["{", RowBox[List[RowBox[List[SubscriptBox["j", "1"], "+", SubscriptBox["j", "2"], "-", "1"]], ",", RowBox[List[SubscriptBox["m", "1"], "+", SubscriptBox["m", "2"]]]]], "}"]]]], "]"]], " ", "\[Equal]", RowBox[List["2", " ", RowBox[List["(", RowBox[List[RowBox[List[SubscriptBox["j", "2"], " ", SubscriptBox["m", "1"]]], "-", RowBox[List[SubscriptBox["j", "1"], " ", SubscriptBox["m", "2"]]]]], ")"]], " ", RowBox[List[RowBox[List["(", RowBox[List[SqrtBox[RowBox[List[RowBox[List["2", SubscriptBox["j", "1"]]], "+", RowBox[List["2", SubscriptBox["j", "2"]]], "-", "1"]]], " ", SqrtBox[RowBox[List[RowBox[List["(", RowBox[List[RowBox[List["2", SubscriptBox["j", "1"]]], "-", "1"]], ")"]], "!"]]], " ", SqrtBox[RowBox[List[RowBox[List["(", RowBox[List[RowBox[List["2", SubscriptBox["j", "2"]]], "-", "1"]], ")"]], "!"]]], " ", SqrtBox[RowBox[List[RowBox[List["(", RowBox[List[SubscriptBox["j", "1"], "+", SubscriptBox["j", "2"], "+", SubscriptBox["m", "1"], "+", SubscriptBox["m", "2"], "-", "1"]], ")"]], "!"]]], " ", SqrtBox[RowBox[List[RowBox[List["(", RowBox[List[SubscriptBox["j", "1"], "+", SubscriptBox["j", "2"], "-", SubscriptBox["m", "1"], "-", SubscriptBox["m", "2"], "-", "1"]], ")"]], "!"]]]]], ")"]], "/", RowBox[List["(", RowBox[List[SqrtBox[RowBox[List[RowBox[List["(", RowBox[List[RowBox[List["2", SubscriptBox["j", "1"]]], "+", RowBox[List["2", SubscriptBox["j", "2"]]]]], ")"]], "!"]]], " ", SqrtBox[RowBox[List[RowBox[List["(", RowBox[List[SubscriptBox["j", "1"], "+", SubscriptBox["m", "1"]]], ")"]], "!"]]], " ", SqrtBox[RowBox[List[RowBox[List["(", RowBox[List[SubscriptBox["j", "1"], "-", SubscriptBox["m", "1"]]], ")"]], "!"]]], " ", SqrtBox[RowBox[List[RowBox[List["(", RowBox[List[SubscriptBox["j", "2"], "+", SubscriptBox["m", "2"]]], ")"]], "!"]]], " ", SqrtBox[RowBox[List[RowBox[List["(", RowBox[List[SubscriptBox["j", "2"], "-", SubscriptBox["m", "2"]]], ")"]], "!"]]]]], ")"]]]]]]]], "/;", RowBox[List["\[ScriptCapitalP]\[ScriptH]\[ScriptY]\[ScriptS]\[ScriptI]\[ScriptC]\[ScriptA]\[ScriptL]\[ScriptCapitalQ]", "[", RowBox[List[RowBox[List["{", RowBox[List[SubscriptBox["j", "1"], ",", SubscriptBox["m", "1"]]], "}"]], ",", RowBox[List["{", RowBox[List[SubscriptBox["j", "2"], ",", SubscriptBox["m", "2"]]], "}"]], ",", RowBox[List["{", RowBox[List[RowBox[List[SubscriptBox["j", "1"], "+", SubscriptBox["j", "2"], "-", "1"]], ",", RowBox[List[SubscriptBox["m", "1"], "+", SubscriptBox["m", "2"]]]]], "}"]]]], "]"]]]]]] 
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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>  <semantics>  <mrow>  <mo> 〈 </mo>  <mrow>  <mrow>  <msub>  <mi> j </mi>  <mn> 1 </mn>  </msub>  <mo> ⁢ </mo>  <mtext>   </mtext>  <msub>  <mi> j </mi>  <mn> 2 </mn>  </msub>  <mo> ⁢ </mo>  <mtext>   </mtext>  <msub>  <mi> m </mi>  <mn> 1 </mn>  </msub>  <mo> ⁢ </mo>  <mtext>   </mtext>  <msub>  <mi> m </mi>  <mn> 2 </mn>  </msub>  </mrow>  <mtext>   </mtext>  <mo> ❘ </mo>  <mtext>   </mtext>  <mrow>  <msub>  <mi> j </mi>  <mn> 1 </mn>  </msub>  <mo> ⁢ </mo>  <mtext>   </mtext>  <msub>  <mi> j </mi>  <mn> 2 </mn>  </msub>  <mo> ⁢ </mo>  <mtext>   </mtext>  <mrow>  <msub>  <mi> j </mi>  <mn> 1 </mn>  </msub>  <mo> + </mo>  <msub>  <mi> j </mi>  <mn> 2 </mn>  </msub>  <mo> - </mo>  <mn> 1 </mn>  </mrow>  <mo> ⁢ </mo>  <mtext>   </mtext>  <mrow>  <msub>  <mi> m </mi>  <mn> 1 </mn>  </msub>  <mo> + </mo>  <msub>  <mi> m </mi>  <mn> 2 </mn>  </msub>  </mrow>  </mrow>  </mrow>  <mo> 〉 </mo>  </mrow>  <annotation encoding='Mathematica'> TagBox[RowBox[List["\[LeftAngleBracket]", RowBox[List[RowBox[List[SubscriptBox["j", "1"], "\[MediumSpace]", SubscriptBox["j", "2"], "\[MediumSpace]", SubscriptBox["m", "1"], "\[MediumSpace]", SubscriptBox["m", "2"]]], "\[MediumSpace]", "\[VerticalSeparator]", "\[MediumSpace]", RowBox[List[SubscriptBox["j", "1"], "\[MediumSpace]", SubscriptBox["j", "2"], "\[MediumSpace]", RowBox[List[SubscriptBox["j", "1"], "+", SubscriptBox["j", "2"], "-", "1"]], "\[MediumSpace]", RowBox[List[SubscriptBox["m", "1"], "+", SubscriptBox["m", "2"]]]]]]], "\[RightAngleBracket]"]], ClebschGordan, Rule[StripWrapperBoxes, True]] </annotation>  </semantics>  <mo> ⩵ </mo>  <mrow>  <mn> 2 </mn>  <mo> ⁢ </mo>  <mrow>  <mo> ( </mo>  <mrow>  <mrow>  <msub>  <mi> j </mi>  <mn> 2 </mn>  </msub>  <mo> ⁢ </mo>  <msub>  <mi> m </mi>  <mn> 1 </mn>  </msub>  </mrow>  <mo> - </mo>  <mrow>  <msub>  <mi> j </mi>  <mn> 1 </mn>  </msub>  <mo> ⁢ </mo>  <msub>  <mi> m </mi>  <mn> 2 </mn>  </msub>  </mrow>  </mrow>  <mo> ) </mo>  </mrow>  <mo> ⁢ </mo>  <mrow>  <mrow>  <mo> ( </mo>  <mrow>  <msqrt>  <mrow>  <mrow>  <mn> 2 </mn>  <mo> ⁢ </mo>  <msub>  <mi> j </mi>  <mn> 1 </mn>  </msub>  </mrow>  <mo> + </mo>  <mrow>  <mn> 2 </mn>  <mo> ⁢ </mo>  <msub>  <mi> j </mi>  <mn> 2 </mn>  </msub>  </mrow>  <mo> - </mo>  <mn> 1 </mn>  </mrow>  </msqrt>  <mo> ⁢ </mo>  <msqrt>  <mrow>  <mrow>  <mo> ( </mo>  <mrow>  <mrow>  <mn> 2 </mn>  <mo> ⁢ </mo>  <msub>  <mi> j </mi>  <mn> 1 </mn>  </msub>  </mrow>  <mo> - </mo>  <mn> 1 </mn>  </mrow>  <mo> ) </mo>  </mrow>  <mo> ! </mo>  </mrow>  </msqrt>  <mo> ⁢ </mo>  <msqrt>  <mrow>  <mrow>  <mo> ( </mo>  <mrow>  <mrow>  <mn> 2 </mn>  <mo> ⁢ </mo>  <msub>  <mi> j </mi>  <mn> 2 </mn>  </msub>  </mrow>  <mo> - </mo>  <mn> 1 </mn>  </mrow>  <mo> ) </mo>  </mrow>  <mo> ! </mo>  </mrow>  </msqrt>  <mo> ⁢ </mo>  <msqrt>  <mrow>  <mrow>  <mo> ( </mo>  <mrow>  <msub>  <mi> j </mi>  <mn> 1 </mn>  </msub>  <mo> + </mo>  <msub>  <mi> j </mi>  <mn> 2 </mn>  </msub>  <mo> + </mo>  <msub>  <mi> m </mi>  <mn> 1 </mn>  </msub>  <mo> + </mo>  <msub>  <mi> m </mi>  <mn> 2 </mn>  </msub>  <mo> - </mo>  <mn> 1 </mn>  </mrow>  <mo> ) </mo>  </mrow>  <mo> ! </mo>  </mrow>  </msqrt>  <mo> ⁢ </mo>  <msqrt>  <mrow>  <mrow>  <mo> ( </mo>  <mrow>  <msub>  <mi> j </mi>  <mn> 1 </mn>  </msub>  <mo> + </mo>  <msub>  <mi> j </mi>  <mn> 2 </mn>  </msub>  <mo> - </mo>  <msub>  <mi> m </mi>  <mn> 1 </mn>  </msub>  <mo> - </mo>  <msub>  <mi> m </mi>  <mn> 2 </mn>  </msub>  <mo> - </mo>  <mn> 1 </mn>  </mrow>  <mo> ) </mo>  </mrow>  <mo> ! </mo>  </mrow>  </msqrt>  </mrow>  <mo> ) </mo>  </mrow>  <mo> / </mo>  <mrow>  <mo> ( </mo>  <mrow>  <msqrt>  <mrow>  <mrow>  <mo> ( </mo>  <mrow>  <mrow>  <mn> 2 </mn>  <mo> ⁢ </mo>  <msub>  <mi> j </mi>  <mn> 1 </mn>  </msub>  </mrow>  <mo> + </mo>  <mrow>  <mn> 2 </mn>  <mo> ⁢ </mo>  <msub>  <mi> j </mi>  <mn> 2 </mn>  </msub>  </mrow>  </mrow>  <mo> ) </mo>  </mrow>  <mo> ! </mo>  </mrow>  </msqrt>  <mo> ⁢ </mo>  <msqrt>  <mrow>  <mrow>  <mo> ( </mo>  <mrow>  <msub>  <mi> j </mi>  <mn> 1 </mn>  </msub>  <mo> + </mo>  <msub>  <mi> m </mi>  <mn> 1 </mn>  </msub>  </mrow>  <mo> ) </mo>  </mrow>  <mo> ! </mo>  </mrow>  </msqrt>  <mo> ⁢ </mo>  <msqrt>  <mrow>  <mrow>  <mo> ( </mo>  <mrow>  <msub>  <mi> j </mi>  <mn> 1 </mn>  </msub>  <mo> - </mo>  <msub>  <mi> m </mi>  <mn> 1 </mn>  </msub>  </mrow>  <mo> ) </mo>  </mrow>  <mo> ! </mo>  </mrow>  </msqrt>  <mo> ⁢ </mo>  <msqrt>  <mrow>  <mrow>  <mo> ( </mo>  <mrow>  <msub>  <mi> j </mi>  <mn> 2 </mn>  </msub>  <mo> + </mo>  <msub>  <mi> m </mi>  <mn> 2 </mn>  </msub>  </mrow>  <mo> ) </mo>  </mrow>  <mo> ! </mo>  </mrow>  </msqrt>  <mo> ⁢ </mo>  <msqrt>  <mrow>  <mrow>  <mo> ( </mo>  <mrow>  <msub>  <mi> j </mi>  <mn> 2 </mn>  </msub>  <mo> - </mo>  <msub>  <mi> m </mi>  <mn> 2 </mn>  </msub>  </mrow>  <mo> ) </mo>  </mrow>  <mo> ! </mo>  </mrow>  </msqrt>  </mrow>  <mo> ) </mo>  </mrow>  </mrow>  </mrow>  </mrow>  <mo> /; </mo>  <mrow>  <mi> 𝒫𝒽𝓎𝓈𝒾𝒸𝒶ℓ𝒬 </mi>  <mo> ⁡ </mo>  <mo> ( </mo>  <mrow>  <mrow>  <mo> { </mo>  <mrow>  <msub>  <mi> j </mi>  <mn> 1 </mn>  </msub>  <mo> , </mo>  <msub>  <mi> m </mi>  <mn> 1 </mn>  </msub>  </mrow>  <mo> } </mo>  </mrow>  <mo> , </mo>  <mrow>  <mo> { </mo>  <mrow>  <msub>  <mi> j </mi>  <mn> 2 </mn>  </msub>  <mo> , </mo>  <msub>  <mi> m </mi>  <mn> 2 </mn>  </msub>  </mrow>  <mo> } </mo>  </mrow>  <mo> , </mo>  <mrow>  <mo> { </mo>  <mrow>  <mrow>  <msub>  <mi> j </mi>  <mn> 1 </mn>  </msub>  <mo> + </mo>  <msub>  <mi> j </mi>  <mn> 2 </mn>  </msub>  <mo> - </mo>  <mn> 1 </mn>  </mrow>  <mo> , </mo>  <mrow>  <msub>  <mi> m </mi>  <mn> 1 </mn>  </msub>  <mo> + </mo>  <msub>  <mi> m </mi>  <mn> 2 </mn>  </msub>  </mrow>  </mrow>  <mo> } </mo>  </mrow>  </mrow>  <mo> ) </mo>  </mrow>  </mrow>  <annotation-xml encoding='MathML-Content'>  <apply>  <ci> Condition </ci>  <apply>  <eq />  <apply>  <ci> ClebschGordan </ci>  <list>  <apply>  <ci> Subscript </ci>  <ci> j </ci>  <cn type='integer'> 1 </cn>  </apply>  <apply>  <ci> Subscript </ci>  <ci> m </ci>  <cn type='integer'> 1 </cn>  </apply>  </list>  <list>  <apply>  <ci> Subscript </ci>  <ci> j </ci>  <cn type='integer'> 2 </cn>  </apply>  <apply>  <ci> Subscript </ci>  <ci> m </ci>  <cn type='integer'> 2 </cn>  </apply>  </list>  <list>  <apply>  <plus />  <apply>  <ci> Subscript </ci>  <ci> j </ci>  <cn type='integer'> 1 </cn>  </apply>  <apply>  <ci> Subscript </ci>  <ci> j </ci>  <cn type='integer'> 2 </cn>  </apply>  <cn type='integer'> -1 </cn>  </apply>  <apply>  <plus />  <apply>  <ci> Subscript </ci>  <ci> m </ci>  <cn type='integer'> 1 </cn>  </apply>  <apply>  <ci> Subscript </ci>  <ci> m </ci>  <cn type='integer'> 2 </cn>  </apply>  </apply>  </list>  </apply>  <apply>  <times />  <cn type='integer'> 2 </cn>  <apply>  <plus />  <apply>  <times />  <apply>  <ci> Subscript </ci>  <ci> j </ci>  <cn type='integer'> 2 </cn>  </apply>  <apply>  <ci> Subscript </ci>  <ci> m </ci>  <cn type='integer'> 1 </cn>  </apply>  </apply>  <apply>  <times />  <cn type='integer'> -1 </cn>  <apply>  <times />  <apply>  <ci> Subscript </ci>  <ci> j </ci>  <cn type='integer'> 1 </cn>  </apply>  <apply>  <ci> Subscript </ci>  <ci> m </ci>  <cn type='integer'> 2 </cn>  </apply>  </apply>  </apply>  </apply>  <apply>  <times />  <apply>  <times />  <apply>  <power />  <apply>  <plus />  <apply>  <times />  <cn type='integer'> 2 </cn>  <apply>  <ci> Subscript </ci>  <ci> j </ci>  <cn type='integer'> 1 </cn>  </apply>  </apply>  <apply>  <times />  <cn type='integer'> 2 </cn>  <apply>  <ci> Subscript </ci>  <ci> j </ci>  <cn type='integer'> 2 </cn>  </apply>  </apply>  <cn type='integer'> -1 </cn>  </apply>  <cn type='rational'> 1 <sep /> 2 </cn>  </apply>  <apply>  <power />  <apply>  <factorial />  <apply>  <plus />  <apply>  <times />  <cn type='integer'> 2 </cn>  <apply>  <ci> Subscript </ci>  <ci> j </ci>  <cn type='integer'> 1 </cn>  </apply>  </apply>  <cn type='integer'> -1 </cn>  </apply>  </apply>  <cn type='rational'> 1 <sep /> 2 </cn>  </apply>  <apply>  <power />  <apply>  <factorial />  <apply>  <plus />  <apply>  <times />  <cn type='integer'> 2 </cn>  <apply>  <ci> Subscript </ci>  <ci> j </ci>  <cn type='integer'> 2 </cn>  </apply>  </apply>  <cn type='integer'> -1 </cn>  </apply>  </apply>  <cn type='rational'> 1 <sep /> 2 </cn>  </apply>  <apply>  <power />  <apply>  <factorial />  <apply>  <plus />  <apply>  <ci> Subscript </ci>  <ci> j </ci>  <cn type='integer'> 1 </cn>  </apply>  <apply>  <ci> Subscript </ci>  <ci> j </ci>  <cn type='integer'> 2 </cn>  </apply>  <apply>  <ci> Subscript </ci>  <ci> m </ci>  <cn type='integer'> 1 </cn>  </apply>  <apply>  <ci> Subscript </ci>  <ci> m </ci>  <cn type='integer'> 2 </cn>  </apply>  <cn type='integer'> -1 </cn>  </apply>  </apply>  <cn type='rational'> 1 <sep /> 2 </cn>  </apply>  <apply>  <power />  <apply>  <factorial />  <apply>  <plus />  <apply>  <ci> Subscript </ci>  <ci> j </ci>  <cn type='integer'> 1 </cn>  </apply>  <apply>  <ci> Subscript </ci>  <ci> j </ci>  <cn type='integer'> 2 </cn>  </apply>  <apply>  <times />  <cn type='integer'> -1 </cn>  <apply>  <ci> Subscript </ci>  <ci> m </ci>  <cn type='integer'> 1 </cn>  </apply>  </apply>  <apply>  <times />  <cn type='integer'> -1 </cn>  <apply>  <ci> Subscript </ci>  <ci> m </ci>  <cn type='integer'> 2 </cn>  </apply>  </apply>  <cn type='integer'> -1 </cn>  </apply>  </apply>  <cn type='rational'> 1 <sep /> 2 </cn>  </apply>  </apply>  <apply>  <power />  <apply>  <times />  <apply>  <power />  <apply>  <factorial />  <apply>  <plus />  <apply>  <times />  <cn type='integer'> 2 </cn>  <apply>  <ci> Subscript </ci>  <ci> j </ci>  <cn type='integer'> 1 </cn>  </apply>  </apply>  <apply>  <times />  <cn type='integer'> 2 </cn>  <apply>  <ci> Subscript </ci>  <ci> j </ci>  <cn type='integer'> 2 </cn>  </apply>  </apply>  </apply>  </apply>  <cn type='rational'> 1 <sep /> 2 </cn>  </apply>  <apply>  <power />  <apply>  <factorial />  <apply>  <plus />  <apply>  <ci> Subscript </ci>  <ci> j </ci>  <cn type='integer'> 1 </cn>  </apply>  <apply>  <ci> Subscript </ci>  <ci> m </ci>  <cn type='integer'> 1 </cn>  </apply>  </apply>  </apply>  <cn type='rational'> 1 <sep /> 2 </cn>  </apply>  <apply>  <power />  <apply>  <factorial />  <apply>  <plus />  <apply>  <ci> Subscript </ci>  <ci> j </ci>  <cn type='integer'> 1 </cn>  </apply>  <apply>  <times />  <cn type='integer'> -1 </cn>  <apply>  <ci> Subscript </ci>  <ci> m </ci>  <cn type='integer'> 1 </cn>  </apply>  </apply>  </apply>  </apply>  <cn type='rational'> 1 <sep /> 2 </cn>  </apply>  <apply>  <power />  <apply>  <factorial />  <apply>  <plus />  <apply>  <ci> Subscript </ci>  <ci> j </ci>  <cn type='integer'> 2 </cn>  </apply>  <apply>  <ci> Subscript </ci>  <ci> m </ci>  <cn type='integer'> 2 </cn>  </apply>  </apply>  </apply>  <cn type='rational'> 1 <sep /> 2 </cn>  </apply>  <apply>  <power />  <apply>  <factorial />  <apply>  <plus />  <apply>  <ci> Subscript </ci>  <ci> j </ci>  <cn type='integer'> 2 </cn>  </apply>  <apply>  <times />  <cn type='integer'> -1 </cn>  <apply>  <ci> Subscript </ci>  <ci> m </ci>  <cn type='integer'> 2 </cn>  </apply>  </apply>  </apply>  </apply>  <cn type='rational'> 1 <sep /> 2 </cn>  </apply>  </apply>  <cn type='integer'> -1 </cn>  </apply>  </apply>  </apply>  </apply>  <apply>  <ci> 𝒫𝒽𝓎𝓈𝒾𝒸𝒶ℓ𝒬 </ci>  <list>  <apply>  <ci> Subscript </ci>  <ci> j </ci>  <cn type='integer'> 1 </cn>  </apply>  <apply>  <ci> Subscript </ci>  <ci> m </ci>  <cn type='integer'> 1 </cn>  </apply>  </list>  <list>  <apply>  <ci> Subscript </ci>  <ci> j </ci>  <cn type='integer'> 2 </cn>  </apply>  <apply>  <ci> Subscript </ci>  <ci> m </ci>  <cn type='integer'> 2 </cn>  </apply>  </list>  <list>  <apply>  <plus />  <apply>  <ci> Subscript </ci>  <ci> j </ci>  <cn type='integer'> 1 </cn>  </apply>  <apply>  <ci> Subscript </ci>  <ci> j </ci>  <cn type='integer'> 2 </cn>  </apply>  <cn type='integer'> -1 </cn>  </apply>  <apply>  <plus />  <apply>  <ci> Subscript </ci>  <ci> m </ci>  <cn type='integer'> 1 </cn>  </apply>  <apply>  <ci> Subscript </ci>  <ci> m </ci>  <cn type='integer'> 2 </cn>  </apply>  </apply>  </list>  </apply>  </apply>  </annotation-xml>  </semantics>  </math> 
   
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   Date Added to functions.wolfram.com (modification date)
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