submitted 4 months ago by Tomorrow_Farewell@hexbear.net to c/chapotraphouse@hexbear.net

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This little guy craves the light of knowledge and wants to know why 0.999... = 1. He wants rigour, but he does accept proofs starting with any sort of premise.

Enlighten him.

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[-] iie@hexbear.net 13 points 4 months ago

if 0.333... = 1/3 then 0.999... = 3/3 = 1

[-] aaro@hexbear.net 10 points 4 months ago

lots of good proofs in this thread but this one gets points for being by FAR the shortest while still being completely based on intuition and makes complete sense with an average high school mathematics background