Comment #5 on issue 2960 by [email protected]: It right 0 < x < 1 ?
http://code.google.com/p/sympy/issues/detail?id=2960
* Through the use of a second global (well, it needn't be a global, but
it must be some storage that is accessible and external to, in this case,
LT and test), I would think it would be possible to clear it. Just not
immediately when you might think.
No, it doesn't have to be cleared immediately, but it does have to be
cleared before the next time it is needed. Otherwise, something like
if a < b:
print b < c < d
would print a < b < c < d. How exactly do you propose to clear it?
* A similar approach might be to do some polymorphism in regards to
which functions are assigned to what symbol and when.
Sorry, I don't understand exactly what you're suggesting here.
* Another option that comes to mind would be do some black magic with
the call stack and judicious exploration with sys._getframe, etc.
Yeah, even if we could get this to work (which it wouldn't in all cases, by
the way), it wouldn't be worth it.
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