Question

Asked Oct 6, 2019

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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.

Step 1

Consider the following information and prove the following:

Step 2

Prove the above result by contradiction:

Since, if **n2+6n is an even number then n is an even number**.

Let’s ...

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