Question: 2. Use propositional logic to prove the validity of the following arguments. (a) (P+Q) + (Q + P') (b) [(PAQ) + R] [P+(Q + R)]

2. Use propositional logic to prove the validity of the following

2. Use propositional logic to prove the validity of the following arguments. (a) (P+Q) + (Q + P') (b) [(PAQ) + R] [P+(Q + R)]

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