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Chris Eagle earned this badge 37 times |
apr 20 at 22:56
What is the value of $\aleph_1^{\aleph_0}$?
apr 3 at 0:27
Why can't we just say 1 instead of “unity”?
mar 30 at 13:34
How many paths exist between two points in the plane?
mar 14 at 0:32
$\forall m \exists n$, $mn = n$ True or False
jan 9 at 16:27
In a monoid, does $x \cdot y=e$ imply $y \cdot x=e$?
jan 6 at 1:45
A niggling problem about frontier in topology
dec 22 at 3:29
Why do some people use $+\infty$ instead of $\infty$?
nov 5 at 9:56
Prove that this is a group
sep 21 at 3:37
If a function is continuously differentiable and bounded, is its derivative also bounded?
aug 6 at 14:58
Compactness in $\mathbb{Q}$
jul 20 at 19:47
does the uniform continuity of $f$ implies uniform continuity of $f^2$ on $\mathbb{R}$?
jul 12 at 12:13
Making an angle of 10 degree and its multiple using compass?
jun 13 '12 at 13:07
Collection of continuous functions determines the topology
may 31 '12 at 18:40
Are the functions $\sin^n(x)$ linearly independent?
apr 27 '12 at 13:32
Proving the non-existence of a limit
apr 19 '12 at 4:38
Transcendentality of the $\log$ of the golden mean
apr 17 '12 at 17:42
Every automorphism of $\mathbb{R}^n$ a linear mapping
apr 11 '12 at 21:43
Getting the sequence $1, 0, -1, 0, 1, 0, -1, 0, \ldots$ without trig?
mar 31 '12 at 18:06
Fundamental group of $S^2$ with north and south pole identified
nov 28 '11 at 14:32
Differentiable+Not monotone
nov 20 '11 at 21:40
Proof that a natural number multiplied by some integer results in a number with only one and zero as digits
oct 20 '11 at 9:46
Is there an easy example of a vector space which can not be endowed with the structure of a Banach space
oct 11 '11 at 13:59
How do I prove that $\cos{\frac{2\pi}{7}}\notin\mathbb{Q}$?
oct 9 '11 at 3:16
Why is $\mathbb{Z}[\sqrt{-n}]$ not a UFD?
aug 21 '11 at 21:01
[Model Theory] Problem
jul 7 '11 at 2:49
Why is the ratio test for L=1 inconclusive?
jun 25 '11 at 7:09
Is it true that a space-filling curve cannot be injective everywhere?
may 16 '11 at 21:37
entire bijection of $\mathbb{C}$ with 2 fixed points
may 15 '11 at 11:47
How to prove that the number 1!+2!+3!+…+n! is never square?
mar 24 '11 at 12:20
Does the functional equation $f(1/r) = rf(r)$ have any nontrivial solutions besides $f(r) = 1/\sqrt{r}$?
feb 13 '11 at 18:43
Why is this not an isomorphism?
jan 11 '11 at 17:26
Minimal non-cyclic groups other than the Klein four groups
