Question: 5. Determine whether the following two propositions are logically equivalent: p(qr),(pq)(pr). 6. Consider the following theorem: If n is an even integer, then n+1 is

5. Determine whether the following two propositions are logically equivalent: p(qr),(pq)(pr). 6. Consider the following theorem: If n is an even integer, then n+1 is odd. Give a direct proof of this theorem. 7. Consider the following theorem: If n is an even integer, then n+1 is odd. Give a proof by contraposition of this theorem

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