L.Fine at lycos.co.uk (Acme Debugging) wrote in message news:<35fae540.0304301838.331baf94 at posting.google.com>...
> Thanks for the references. Actually, I'm not looking for any logic
> system, just saying that logic used in most real-world reasoning
> needs to incorporate probability. I think different logic(s) will be
> needed for different types of questions. I would favor just a few
> simple probability calculations in a first-step reasoner, though it
> might run out of applications pretty fast.
Note that multi-valued logic is equivalent in power to classical
logic. That _naturally_ includes fuzzy logic. So the answer to your
question must necessarily lie elsewhere....