>
>
The good work of #1314 is stalled. We need a decision to be made:
If we want to keep the existing ability of Tuple answer queries about
containing UndefinedFunctions then #1331 can be committed. It is the same
as #1314 except that Tuple(Function('f'), True).has(True, Function('f'))
will neither throw an error nor answer False. It also uses a library method
to replace a piece of older code. Test results should post soon at
https://github.com/sympy/sympy/pull/1331 .
If we eventually disallow Tuple to hold Function('f') and bool, that's a
bridge that can be crossed later and has() modified accordingly, but I
don't like the idea of changing has()'s behavior (and answering False for
Tuple(Function('f')).has(Function('f'))) and would like to see #1331 be
committed. Again, if we can just get a decision on this then we can commit
the changes.
/c
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