Mathematics
Rachid Atmai's user avatar
Rachid Atmai's user avatar
Rachid Atmai's user avatar
Rachid Atmai
  • Member for 10 years, 1 month
  • Last seen more than a week ago
  • Where things have countable cofinality
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No matter how big you think you are, you're still countable

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All Questions Answers
Score Newest
answer
5
Hilbert space $\mathcal{H}$ is separable if and only if $\mathcal{B}(\mathcal{H})$ is separable
Nov 24, 2020
question
4
Specific value of $\zeta(3/2)$?
Nov 26, 2020
answer
4
How should the relativized Kleene pointclass $\Sigma^1_1(A)$ be defined?
Apr 23, 2015
answer
4
is there any difference between these three logarithms?
Nov 23, 2020
answer
4
Find MacLaurin Series and radius of convergence
Nov 23, 2020
question
3
Coset representatives when a subgroup $H$ is not normal.
Dec 19, 2019
answer
3
The notations $ M[X] $ and $ V[A] $ and intermediate models
Jul 3, 2015
answer
3
Does $\{\alpha<\kappa\mid cf(\alpha)=\alpha\}\in D$?
Nov 14, 2017
answer
3
On some doubts on tangent space of immersed submanifold
Nov 22, 2020
answer
3
Riemann integrability of a piecewise function over $[1, 7]$
Dec 15, 2019
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Forcing as a tool to prove theorems
19
Why does inner model theory need so much descriptive set theory (and vice versa)?
19
Notable mathematics during World War II
16
Examples of ZFC theorems proved via forcing
14
Products of Baire spaces

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