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# 314 Actions

 Jun10 comment How and why did Weierstrass $\wp$ get its special symbol? It's basically a cursive / script p. Jun8 accepted How can I make this recurrent equation non-recurrent? Jun8 comment How can I make this recurrent equation non-recurrent? @hardmath Yes, that's what I'm trying to do. I just saw myself how trivial this question is. Jun8 asked How can I make this recurrent equation non-recurrent? Feb6 awarded Popular Question Jan1 awarded Yearling Oct20 comment How to prove that $\lim\limits_{x\to0}\frac{\sin x}x=1$? It's nice that you post an answer that was literally posted as the top comment to this question. Oct16 comment How can I find a point where an osculating circle goes through a certain point? @Lays I couldn't find an answer to my question on the page you linked. Please note, that $P$ usually does not lay on $f$. Oct16 revised How can I find a point where an osculating circle goes through a certain point? added 17 characters in body Oct16 asked How can I find a point where an osculating circle goes through a certain point? Sep19 awarded Notable Question Sep13 awarded Notable Question May9 comment How to prove that $\lim\limits_{x\to0}\frac{\sin x}x=1$? @CutieKrait We defined $\sin$ by geometrical means. Apr2 accepted Why is it impossible to define multiplication in Presburger arithmetic? Apr2 comment Why is it impossible to define multiplication in Presburger arithmetic? Ah, I see. Thank you for this answer. Mar31 comment Why is it impossible to define multiplication in Presburger arithmetic? @MJD How are these axioms? Mar31 comment Why is it impossible to define multiplication in Presburger arithmetic? @MJD Presburger arithmetic is an axiomatic system. People claim that it is impossible to define multiplication within this system. Why? Mar30 asked Why is it impossible to define multiplication in Presburger arithmetic? Mar4 awarded Good Question Jan1 awarded Yearling