R
Robert Kern
... answered my own question
class Foo:
def __eq__(self, b):
return False
--> True
--> False
And for a practical, real world example:
In [1]: inf = 1e200 * 1e200
In [2]: inf
Out[2]: inf
In [3]: nan = inf / inf
In [4]: nan
Out[4]: nan
In [5]: nan is nan
Out[5]: True
In [6]: nan == nan
Out[6]: False
--
Robert Kern
"I have come to believe that the whole world is an enigma, a harmless enigma
that is made terrible by our own mad attempt to interpret it as though it had
an underlying truth."
-- Umberto Eco