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"An expert is a man who has made all the mistakes, which can be made, in a very narrow field."
Niels Bohr
"A good stack of examples, as large as possible, is indispensable for a thorough understanding of any concept, and when I want to learn something new, I make it my first job to build one."
Paul Halmos
"Information: the negative reciprocal value of probability."
Claude Shannon

Member for 5 years, 9 months

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Last seen Feb 28 at 21:03
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Top Network Posts
 49 On the Constant Rank Theorem and the Frobenius Theorem for differential equations.
 47 Is there any way to type LaTeX code directly into the text boxes Inkscape?
 27 How do I put text over symbols?
 26 A simple way to obtain $\prod_{p\in\mathbb{P}}\frac{1}{1p^{s}}=\sum_{n=1}^{\infty}\frac{1}{n^s}$.
 24 Prove that $2018^{2019}> 2019^{2018}$ without induction, without Newton's binomial formula and without Calculus.
 21 How to make \subsection not appear in the ToC
 20 The problem of the most visited point.
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