Question: Using propositional logic, prove the following argument is tautology: (Vx)[(P(x) ^ Q(x))] ^ (3x)(Q(x)) + (3x)(P(x))

Using propositional logic, prove the following argument is tautology: (Vx)[(P(x) ^

Using propositional logic, prove the following argument is tautology: (Vx)[(P(x) ^ Q(x))] ^ (3x)(Q(x)) + (3x)(P(x))

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