(a) Assume that n is a positive integer. Use the proof by contradiction method to prove: I


Question: (15 pts.) (a) Assume that n is a positive integer. Use the proof by contradiction method to prove:

If 7n + 4 is an even integer then n is an even integer.

(b) Prove: n is an even integer iff 7n + 4 is an even integer. (Note this is an if and only if (iff) statement.

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Solution: The solution file consists of 1 page
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