Use a direct proof to prove the following: For all integers n, if n is odd...

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Use a direct proof to prove the following: For all integers n, if n is odd then n² is odd. For all integers m and n, if mn is even then m is even or n is even. (a) Prove by contraposition. (b) Prove by contradiction. Use a direct proof to prove the following: For all integers n, if n is odd then n² is odd. For all integers m and n, if mn is even then m is even or n is even. (a) Prove by contraposition. (b) Prove by contradiction.

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Sure lets prove both statements by contraposition and contradiction a Prove by contraposition To pro... View the full answer