Comment #3 on issue 1625 by [email protected]: sympify of logical operations
gets confused with ==
http://code.google.com/p/sympy/issues/detail?id=1625
I agree, this is most confusing.
== is supposed to be a shortcut for Relactional(x, y, "=="), yet sympify
seems to do it's own thing:
In [1]: relational.Relational(sympify("x"), sympify("y"), "==")
Out[1]: x = y
vs.
In [2]: sympify("x == y")
Out[2]: False
Should the second form work?
It certainly works for inequalities:
In [3]: sympify("x >= y")
Out[3]: y <= x
Confused....
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