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Mac @macd.bsky.social · 10/08/2023

$Reddit Post to r/NoStupidQuestions: My unemployed boyfriend claims he has a simple "proof" that breaks mathematics. Can anyone verify this proof? I honestly think he might be crazy. Copying and pasting the text he sent me: according to mathematics 0.999.... = 1 but this is false. I can prove it. 0.999.... = 1 - lim_{n-> infinity} (1 - 1/n) = 1 - 1 - lim_{n-> infinity} (1/n) = 0 - lim_{n-> infinity} (1/n) = 0 - 0 = 0. so 0.999.... = 0 ??????? that means 0.999.... must be a "fake number" because having 0.999... existing will break the foundations of mathematics. I'm dumbfounded no one has ever realized this EDIT: I texted him what was said in the top comment (pointing out his mistakes). He instantly dumped me 😶$

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