Conjunctive Normal Form vs Product of Sums

Question

I am confused as to what the difference between Conjunctive Normal Form and Product of Sums is. Can someone explain what is different about them? It seems like they both only use groups of OR statements all AND'd together.

Thanks.

Answer 1

The CNF is a special type of POSE. We take max terms, which are negations and ORs of variables that evaluate to 1. We then AND the max-terms together. With a POSE, the terms don't have to be max-terms.