# Define an integer k to be odd if k 1 is even. Write up a formal proof of the following, usingan indirect proof:Claim: For any natural numbers m and n, if m is odd and n is odd, then mn is even.(Notice--this is not hard to prove, but make sure that you are using a proof by contradiction.And use the official definitions of even and odd.)

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Define an integer k to be odd if k − 1 is even. Write up a formal proof of the following, using an indirect proof:

Claim: For any natural numbers m and n, if m is odd and n is odd, then m + n is even. help_outlineImage TranscriptioncloseDefine an integer k to be odd if k 1 is even. Write up a formal proof of the following, using an indirect proof: Claim: For any natural numbers m and n, if m is odd and n is odd, then m n is even. (Notice--this is not hard to prove, but make sure that you are using a proof by contradiction. And use the official definitions of even and odd.) fullscreen
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To prove that the sum of any two odd numbers ...

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