Xnor(True,True,True) = False
whereas Equivalent(True, True, True) = True

One example of how they differ.

On Mar 21, 10:36 am, Joachim Durchholz <[email protected]> wrote:
> Am 21.03.2012 15:26, schrieb Rishav Das:
>
> > Xnor is defined for multiple inputs while logical equivalence is
> > defined only for two inputs.
>
> Equivalent as defined in SymPy can handle multiple inputs, see the
> doctests on Equivalent.eval.
>
> It seems we have a somewhat too narrow class docstring on Equivalent.

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