New issue 3215 by asme...@gmail.com: Transcendental functions at rational
values are transcendental
http://code.google.com/p/sympy/issues/detail?id=3215
See https://github.com/sympy/sympy/pull/1104. We should have all the trig
functions, as well as exp() and log() return is_irrational => True when the
argument is rational (I believe log(1) is the only execption, but we should
probably verify it). They are actually transcendental, but that doesn't
seem to be part of the old assumptions system.
Comment #1 on issue 3215 by asme...@gmail.com: Transcendental functions at
rational values are transcendental
http://code.google.com/p/sympy/issues/detail?id=3215
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