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Answer the following questions. Explain your reasoning: a) using the truth table, show that the following statement is a tautology: [4 marks] ((pq)V(rp))q b) Without

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Answer the following questions. Explain your reasoning: a) using the truth table, show that the following statement is a tautology: [4 marks] ((pq)V(rp))q b) Without using the truth table, show that the following statement is true: [4 marks] (qp)rp(qr) c) Negate the following statement: [4 marks] x:P(x)[x:(Q(x)R(x)]

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