List questions from cardinals

Published on 10 Dec 2015 - 13:09

185

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cardinality of the set of points with one irrational coordinate, and one rational.

Published on 11 Dec 2015 - 15:06

463

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Cardinality of all rational points in $R^3$

Published on 11 Dec 2015 - 20:27

145

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Cardinality of this equivalence class

Published on 13 Dec 2015 - 17:59

34

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Possible cardinalities of the equivalence partitioning

Published on 13 Dec 2015 - 20:24

321

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A surjective map $S \to T$ implies $|S| \geq |T|$

Published on 14 Dec 2015 - 0:45

141

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Can I assume the continum hypothesis in a proof

Published on 04 Apr 2026 - 2:16

97

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Is there a set $A$ such that $|\mathbb Z|<|A|<|\mathbb R|$ is undecidable?

Published on 15 Dec 2015 - 9:24

72

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cardinal arithmetic: prove that $k_2^m>=k_1^m$ if $k_2>=k_1$

Published on 15 Dec 2015 - 12:59

45

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Applying power set finite times

Published on 19 Dec 2015 - 12:58

242

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Defining a function that maps two sets

Published on 19 Dec 2015 - 16:54

532

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Cardinality of power sets decides all of cardinal arithmetic?

Published on 28 Mar 2026 - 3:27

342

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Can all Power Sets be Limit Cardinals?

Published on 28 Mar 2026 - 3:26

325

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The cardinality of Indra's net?

Published on 04 Apr 2026 - 2:17

651

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Cardinality of Binary sets

Published on 22 Dec 2015 - 18:18

List Question

Cardinality of the set of minimal sets of a collection with cardinality $\aleph_0$

cardinality of the set of points with one irrational coordinate, and one rational.

Cardinality of all rational points in $R^3$

Cardinality of this equivalence class

Possible cardinalities of the equivalence partitioning

A surjective map $S \to T$ implies $|S| \geq |T|$

Can I assume the continum hypothesis in a proof

Is there a set $A$ such that $|\mathbb Z|<|A|<|\mathbb R|$ is undecidable?

cardinal arithmetic: prove that $k_2^m>=k_1^m$ if $k_2>=k_1$

Applying power set finite times

Defining a function that maps two sets

Cardinality of power sets decides all of cardinal arithmetic?

Can all Power Sets be Limit Cardinals?

The cardinality of Indra's net?

Cardinality of Binary sets

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