Updates:
Cc: Vinzent.Steinberg Ronan.Lamy
Comment #2 on issue 1980 by asmeurer: has, has_any_symbols, has_all_symbols
unified
http://code.google.com/p/sympy/issues/detail?id=1980
It seems you're right:
In [7]: x.has(x, y)
Out[7]: True
I certainly would have expected it to behave using all. git
grep '\.has(.*,.*)' reveals only two places in the code where has() is
given more than one argument, both of which are in the test_has() function
in test_basic.py, so it can change.
Any other opinions?
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