Comment #2 on issue 2625 by asmeurer: Imaginary unit in R, ordering of
complex numbers
http://code.google.com/p/sympy/issues/detail?id=2625
I suppose there is a natural ordering of the purely imaginary numbers but
statements such as '5*I < 6*I' and 'I*4 > I' do not return Boolean values.
Actually, this is not even true. We should probably raise an error with
that, just as Python does:
In [22]: 1j < 2j
---------------------------------------------------------------------------
TypeError Traceback (most recent call last)
/Users/aaronmeurer/Documents/python/sympy/sympy/<ipython-input-22-44f3f2215930>
in
<module>()
----> 1 1j < 2j
TypeError: no ordering relation is defined for complex numbers
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