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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[-] EffortPostMcGee@hexbear.net 4 points 4 months ago

Thanks for the clarification! In my mind, I sort of just think "metric first" so the topology induced by that metric is always just assumed, but that's because I don't ever work with non-metrizable spaces.