Comment #2 on issue 1050 by [email protected]: is_imaginary fails to recognize all terms being imaginary
http://code.google.com/p/sympy/issues/detail?id=1050
Whoa...this is a really old issue. Here are some more expressions that seem like they should be able to get an answer:
(3+I).is_imaginary (3+I).is_complex
These are ok
(3+I).is_real
False
I.is_real
False
I.is_complex
True
I.is_imaginary
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