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[2] For each of the following formulas in propositional logic determine whether it is valid, invalid, satisfiable, unsatisfiable or a combination of these, using truth

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[2] For each of the following formulas in propositional logic determine whether it is valid, invalid, satisfiable, unsatisfiable or a combination of these, using truth tables: a) PV (Q-P) b) PV (PAQAR) c) P--P d) (PA-Q) A-PVQ) e) ( PQ) (QP)

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