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  • 2 years ago

If x and y are odd integers, then x+y is even. Give a proof by contradiction of this theorem

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  1. SithsAndGiggles
    • 2 years ago
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    Start off by assuming \(x+y\) is odd, and show that \(x\) and \(y\) can't both be odd integers. For starters, you would write \(x+y=2k+1\) for some integer \(k\). Can you express this in terms of the sum of two odd integers?

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