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Crostul

Apparently, this user prefers to keep an air of mystery about them.

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111 Inequality from Chapter 5 of the book *How to Think Like a Mathematician* Feb 26 '15
83 Unexpected examples of natural logarithm Jul 3 '17
50 Prime Number Rows in a Pascal's Triangle Jun 28 '18
23 Do Cantor's Theorem and the Schroder-Bernstein Theorem Contradict? Nov 20 '14
22 Proving that $\sum\limits_{n=0}^{\infty }\frac{1}{(2n)!!}=\sqrt{e}$ Jan 16 '15
21 Is the ring of holomorphic functions on $S^1$ Noetherian? Jul 29 '15
19 Quotient ring being isomorphic to the initial ring Apr 29 '18
16 Can this be considered a “rigorous” definition of a limit? Sep 13 '16
15 Reversing the digits of an infinite decimal Mar 14 '16
15 Study of rings of the form $R+I$ May 31 '15
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