Miles wrote: > What boolean operation does '-' represent? Complementation. And as usual, a-b is to be interpreted as a+(-b). In which case the desired behavior is False-True = False+(-True)=False+False = False
In response to Stargaming, Steve is making a point about the incoherence of certain arguments, not proposing an implementation. Cheers, Alan Isaac -- http://mail.python.org/mailman/listinfo/python-list