On Thu, 25 Mar 2021 at 19:51, Paul Royik <distantjob...@gmail.com> wrote: > > This is a code for fuzzy_and: > rv = True > for ai in args: > ai = fuzzy_bool(ai) > if ai is False: > return False > if rv: # this will stop updating if a None is ever trapped > rv = ai > return rv > > Is there any reason why None is not immediately returned?
To be clear you are talking about this function: https://github.com/sympy/sympy/blob/aa22709cb7df2d7503803d4b2c0baa7aa21440b6/sympy/core/logic.py#L115 If you call fuzzy_and([True, None, False]) then it needs to run through to the final False to be able to return False. Oscar -- You received this message because you are subscribed to the Google Groups "sympy" group. To unsubscribe from this group and stop receiving emails from it, send an email to sympy+unsubscr...@googlegroups.com. To view this discussion on the web visit https://groups.google.com/d/msgid/sympy/CAHVvXxTjVf8ZP_V9VVUiZXF8wyYN8d2PVTLDTsWYdrkRyU-ZxQ%40mail.gmail.com.
