It doesn't even need to be that close to 2.5 2 1/3 pretty clearly rounds to two. And two lots of that clearly rounds to five.
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Your whole "equivalent to but not equal" thing, for instance, is a matter of much discussion - the = sign does indeed mean different things to different people at different times It's valid, you can say that if you want
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There are *consequences* though Phrased differently, saying 0.999999... cannot equal 1 is saying you reject the concept of a limit (it's really saying that there is no such specifically constructible number as 0.9999..., you refuse to allow the 9s to go on into "infinity")
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There’s gotta be racists out there that don’t accept the concept of zero, right? They’d have to create their own Internet though.
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Lots of people can be trivially convinced to sign a petition calling for a ban on teaching children Arabic numbers.
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A friend of mine had a maths professor once who didn't believe in the Axiom of Choice. Religious objection. He still taught it, but he absolutely personally believed it to be false.
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One of the ironies of the discourse over Gödel's incompleteness theorems is Gödel, himself, was a Platonist who saw himself as illuminating the limits of constructivism
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