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Jul 25, 2022 at 8:06 comment added Z. M @SamHopkins Here is a way to read it: Riemann's result is existence, and the given function is an incorrect proof.
Jul 25, 2022 at 4:25 history edited Martin Sleziak CC BY-SA 4.0
http -> https (the question was bumped anyway)
Jul 25, 2022 at 4:19 comment added Sam Hopkins I'm confused by this answer, isn't this an incorrect result of Riemann's (namely, the claim that that function is nowhere differentiable).
Jul 24, 2022 at 10:12 history edited Glorfindel CC BY-SA 4.0
broken link fixed, cf. https://math.meta.stackexchange.com/a/34713/228959
Apr 4, 2011 at 13:24 history made wiki Post Made Community Wiki
Apr 3, 2011 at 20:21 comment added The Mathemagician To this,I'll only add that nearly 40 years before Weirstrass,remember that Bolzano had given a constructive procedure for creating such a function and most mathematicians had dismissed the idea outright as nonsense.
Nov 14, 2010 at 14:18 history answered Andrey Rekalo CC BY-SA 2.5