@St_Rev @themattsimpson I’d vote for hyperreals as the right way, but Cauchy is indeed clearer than Dedekind. Picked that up later.
@themattsimpson @Meaningness Cauchy sequences are the 'right' way to do it but that requires more machinery.
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@Meaningness @themattsimpson Hyperreals have their own technical problems. Cauchy sequences lead more smoothly into topology. -
@St_Rev @themattsimpson Oh, that’s interesting… yes, I see that…
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. Banned in Sweden. SubGenius, Zhuangist, white-hat troll. Defrocked mathematician. Brain problems.