Question: d please Exercise 1.5.3: Using the laws of logic to prove tautologies. Use the laws of propositional logic to prove that each statement is a

d please

Exercise 1.5.3: Using the laws of logic to prove tautologies. Use the laws of propositional logic to prove that each statement is a tautology (a) (paq) -- (PVT) Solution p-(-p) (c) TV (PP) Solution ( 9) a *P - ( pa)

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