alt Hacker News> I did not like, and did not understand, epsilons and deltas.
It's nice to have this perspective validated by someone like Serre! I felt like I was missing something when I first encountered that formalism. In fact, all of my introductory calculus classes sucked and turned me off of math for a few years.
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zahlman • yesterday at 9:44 PM
What's the alternative for explaining those concepts that's still reasonably rigorous?
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robotpepi • yesterday at 9:43 PM
He later participated in Bourbaki, who were known by their overly formal style, tough.
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He describes the style he did like as "Euler's style, so to speak". What was Euler's style in this context? i.e. as opposed to epsilons and deltas?