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Chris
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57
The $100$th derivative of $(x^2 + 1)/(x^3 - x)$
Aug 17, 2012
22
Intuition behind Cantor-Bernstein-Schröder
Oct 30, 2012
15
Rigorous nature of combinatorics
Jun 14, 2017
14
2012 Putnam Exam A3
Dec 4, 2012
14
Straightedge-only construction of a perpendicular
Sep 1, 2013
14
1965 Putnam, B2
Sep 20, 2013
13
proof of l'Hôpital's rule [duplicate]
Aug 7, 2012
12
$\pi$, Dedekind cuts, trigonometric functions, area of a circle
Oct 20, 2012
10
isomorphism of Dedekind complete ordered fields
Jan 2, 2013
9
Verifying a proof that if $x,y,z \geq 0$ and $x+y+z = 1$, then $0 \le xy + yz + zx - 2xyz \le \frac{7}{27}$
Apr 27, 2013
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Recent influx of new users with female "glamour" pics for profile
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Recent influx of new users with female "glamour" pics for profile
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Recent influx of new users with female "glamour" pics for profile
7
Wrong answers taking precedence?
4
This year's Putnam exam (2014)
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strange behavior with \centering
6
qed symbol error