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Mathematics
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peritremic
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5
How to show that $\ln(2) > \frac{2}{3}$
Sep 29, 2022
3
How to show that $\frac{n!}{n^{\frac{n}{2}}}$ diverges as $n \to \infty$? [duplicate]
Oct 23, 2022
2
Proof that $\langle x , T(x) \rangle = 0$ implies $T(x) = 0$ for a vector space over a complex field.
Nov 18, 2022
1
Is this a correct proof of the solution to a recurrence relation/functional equation?
Oct 11, 2022
1
How to prove that a set $A$ is a relation iff $A \subseteq \text{dom}(A) \times \text{ran}(A)$?
Oct 17, 2022
1
Definition of function composition versus composition of relations?
Oct 27, 2022
1
Is it possible to prove that this is the optimal algorithm for searching in a grid?
Oct 27, 2022
1
Is this a valid proof method (and how to complete it) of the exchange of order of indexed summations?
Nov 23, 2022
1
Is this a correct proof that an isomorphism between two cyclic groups always maps a generator to a generator of the other group?
Nov 28, 2022
0
Is this proof that the identity function is an automorphism correct?
Oct 23, 2022