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MathMathCookie
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question
46
Why do we write proofs "forward?"
Dec 31, 2011
question
26
Interpreting the significance of Darboux's Theorem
Dec 3, 2011
question
19
How to prove $\sin(1/x)$ is not uniformly continuous
Nov 6, 2011
question
17
Example of a function that is not twice differentiable
Nov 4, 2011
question
12
Countable or uncountable set 8 signs
Nov 2, 2011
question
8
Proof: If $f'=0$ then is $f$ is constant
Nov 6, 2011
question
7
Wrong Definition of a Limit
Oct 18, 2011
question
7
Lipschitz at every point in $[a,b]$ but not Lipschitz on $[a,b]$?
Oct 24, 2011
question
7
Prove the integral of $f$ is positive if $f ≥ 0$, $f$ continuous at $x_0$ and $f(x_0)>0$
Nov 16, 2011
question
6
Is this proof wrong?
Dec 31, 2011