Math 127: Propositional Logic
understanding of propositional logic. 2.3 Negation Our last basic logical operator is negation, a fancy way to say \not." De nition 5. Let p be a proposition. The negation of p, denoted :p, is a proposition that is true when p is false, and false when p is true. This operator is fairly straightforward: it simply takes the opposite truth value ...
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