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1. Prove if 3n + 2 is odd, then n is odd by proving its contrapositive 2. Determine the truth value, if the universe of

1. Prove if 3n + 2 is odd, then n is odd by proving its contrapositive

2. Determine the truth value, if the universe of discourse for all variables is the set of all integers. (If the statement is true, give a proof. If it is false, give a counterexample)

If x is even, then x ² + x + 7 is odd.

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