Characterization of the number $e$
72400
Why don't I get $e$ when I solve $\lim_{n\to \infty}(1 + \frac{1}{n})^n$?
10902
Showing that $ \prod\limits_{i=0}^{n} {n \choose i}\leq(\frac{2^n-2}{n-1})^{n-1} $
7384
How do I prove that $m(TE)=\left|\det(T)\right|m(E)$?
155935
Examples where $H\ne \mathrm{Aut}(E/E^H)$
29583
Characterization of the trace function
100061
The Maximum possible order for an element $S_n$
117047
exponentiation of cardinal number
24050
Characterization of the Closure of a Set
103732
Proving that for $n \equiv 0 \pmod{2}$, we get ${n \choose 0} < {n \choose 1} <\ldots< {n \choose n/2-1}<{n\choose n/2}$ etc.
16722
Proving Gaussian Integers are countable
94291
$\frac{2^{2n}}{2n} \le {2n \choose n}$?
78342
When is $\phi(n)$ a prime number?
56464
Proving the irrationality of $e^n$
50089
characterization of the existence of higher order expectation.
67768
How to determine the group structure of $E(\mathbb{R})$ for an elliptic curve $E/\mathbb{R}$
156727
A step in the proof of Characterization of $W^{1,\infty}$
83313
Showing that $\frac{\sqrt[n]{n!}}{n}$ $\rightarrow \frac{1}{e}$