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130 Is 10 closer to infinity than 1? Nov 4 '13
103 How do we know an $ \aleph_1 $ exists at all? Jun 22 '11
102 A pencil approach to find $\sum \limits_{i=1}^{69} \sqrt{\left( 1+\frac{1}{i^2}+\frac{1}{(i+1)^2}\right)}$ Oct 21 '11
98 Is math built on assumptions? Nov 5 '13
92 Cute Determinant Question Jun 8 '12
72 Pythagorean Theorem Proof Without Words (request for words) Jan 29 '12
61 Best Sets of Lecture Notes and Articles Mar 30 '13
53 Evaluating the integral, $\int_{0}^{\infty} \ln\left(1 - e^{-x}\right) \,\mathrm dx $ Aug 29 '11
47 Why bother with Mathematics, if Gödel's Incompleteness Theorem is true? Aug 1 '11
43 What's the limit of the sequence $\lim\limits_{n \to\infty} \frac{n!}{n^n}$? Sep 4 '11
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