Question: Truth Table and logical equivalence 2. Truth table and logical equivalence You might have noticed that there is a connection between logical equivalence and the

Truth Table and logical equivalence

2. Truth table and logical equivalence You might have noticed that there is a connection between logical equivalence and the connective This connection can be expressed as follows: two propositions P and Q are logically equivalent if and only if P Q is a tautology. Consider the propositions P and Q: (a) Using a truth table, show that propositions P and Q are logically equivalent. Explain. b) Show using the same truth table that P + is indeed a tautology

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