Question

What is the cardinality of the equivalence class

score 433 · Answer 1 · 2026-03-27 10:46:23

433

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What is the cardinality of the equivalence class

Published on 27 Mar 2026 - 10:46

score 859 · Answer 2 · 2014-03-20 12:54:05

859

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about the smallest $k$ such that $V_k$ is a model of ZFC

Published on 20 Mar 2014 - 12:54

score 594 · Answer 3 · 2014-03-21 01:17:31

594

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Conclusion about cardinalty.

Published on 21 Mar 2014 - 1:17

score 186 · Answer 4 · 2026-03-27 12:07:10

186

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Is there, for every set $X$, a set $Y$ for which $|Y| < |X|$ but $|\mathcal{P}(Y)| \geq |X|$?

Published on 27 Mar 2026 - 12:07

score 101 · Answer 5 · 2014-03-24 12:46:27

101

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A question about the size of the set of all countably-infinite subsets of a countably-infinite set

Published on 24 Mar 2014 - 12:46

score 364 · Answer 6 · 2014-03-24 14:34:29

364

Views

A property of strong limit cardinal

Published on 24 Mar 2014 - 14:34

score 34 · Answer 7 · 2014-04-01 09:45:10

34

Views

Does for a set of cardinals a finite subset exist such that for any cardinal in the set a larger cardinal in the subset exists?

Published on 01 Apr 2014 - 9:45

score 208 · Answer 8 · 2014-04-02 02:11:30

208

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If $2^{\kappa}<\lambda$, how many subsets of size $\kappa$ are there of a set of size $\lambda$.

Published on 02 Apr 2014 - 2:11

score 64 · Answer 9 · 2014-04-03 14:35:36

64

Views

Can we define ordinals such that the following sentences are independent of ZFC?

Published on 03 Apr 2014 - 14:35

score 467 · Answer 10 · 2014-04-03 17:37:19

467

Views

Existence of a regular uncountable $\aleph_{\alpha}$ without $\mathsf{AC}$

Published on 03 Apr 2014 - 17:37

score 164 · Answer 11 · 2014-04-06 17:53:45

164

Views

Cardinal arithmetic basics

Published on 06 Apr 2014 - 17:53

score 57 · Answer 12 · 2026-03-27 15:17:49

57

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Cardinality of rational exponentiation orbit space

Published on 27 Mar 2026 - 15:17

score 921 · Answer 13 · 2014-04-07 13:19:00

921

Views

Are the following sets countable?

Published on 07 Apr 2014 - 13:19

score 861 · Answer 14 · 2014-04-07 18:41:20

861

Views

Bigger infinity than real number infinity

Published on 07 Apr 2014 - 18:41

score 340 · Answer 15 · 2026-03-27 03:59:19

340

Views

What are interesting examples of existential proofs based on cardinality arguments?

Published on 27 Mar 2026 - 3:59

List Question

What is the cardinality of the equivalence class

about the smallest $k$ such that $V_k$ is a model of ZFC

Conclusion about cardinalty.

Is there, for every set $X$, a set $Y$ for which $|Y| < |X|$ but $|\mathcal{P}(Y)| \geq |X|$?

A question about the size of the set of all countably-infinite subsets of a countably-infinite set

A property of strong limit cardinal

Does for a set of cardinals a finite subset exist such that for any cardinal in the set a larger cardinal in the subset exists?

If $2^{\kappa}<\lambda$, how many subsets of size $\kappa$ are there of a set of size $\lambda$.

Can we define ordinals such that the following sentences are independent of ZFC?

Existence of a regular uncountable $\aleph_{\alpha}$ without $\mathsf{AC}$

Cardinal arithmetic basics

Cardinality of rational exponentiation orbit space

Are the following sets countable?

Bigger infinity than real number infinity

What are interesting examples of existential proofs based on cardinality arguments?

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