> > I looked for Q.is_false without luck, I also looked for an Inequality > class > > but found nothing. > > Wouldn't that just be ~Q.is_true? It seems to work for me. The != > class is called Unequality (to distinguish it from > "inequalities"). > > Yes, you are absolutely right - I always thought ~ was short for "not" (which didn't work), now I know about __invert__, thanks!
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