#Is this a valid proof?

8 messages · Page 1 of 1 (latest)

nocturne flareBOT
storm mantle
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No

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py being an integer is not sufficient for there to be a solution

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Also py is given to be an integer in the problem because y must be an integer, so most of your text is redundant

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you didn't prove that there exists a py, you proved that if py exists then it is an integer

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yes

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so 4py-3 must be a perfect square

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so you let 4py-3=n^2 and eventually rewrite to py = (n^2+3)/4