Maybe this would help. --- a/sympy/assumptions/handlers/ntheory.py +++ b/sympy/assumptions/handlers/ntheory.py @@ -136,7 +136,7 @@ def Mul(expr, assumptions): Odd * Odd -> Odd Even * Even -> Even Integer * Integer -> Even if Integer + Integer = Odd - -> ? otherwise + otherwise -> ? """ if expr.is_number: return AskEvenHandler._number(expr, assumptions)
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