Hi, I need help on this problem:

Let . Prove that is even if and only if is even.

I wonder if you can use a proof by contrapositive to prove this.

Any help will be appreciated. Thank you!

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- Mar 4th 2009, 04:26 PMMagicS06even proof
Hi, I need help on this problem:

Let . Prove that is even if and only if is even.

I wonder if you can use a proof by contrapositive to prove this.

Any help will be appreciated. Thank you! - Mar 4th 2009, 08:02 PMJameson