Question

Show cardinality problem with natural evens, all naturals and all integers

score 46 · Answer 1 · 2015-11-24 14:37:45

46

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Show cardinality problem with natural evens, all naturals and all integers

Published on 24 Nov 2015 - 14:37

score 613 · Answer 2 · 2026-03-26 11:19:51

613

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Multisets and cardinality

Published on 26 Mar 2026 - 11:19

score 76 · Answer 3 · 2015-11-27 16:20:20

76

Views

Equinumerousity of two sets

Published on 27 Nov 2015 - 16:20

score 96 · Answer 4 · 2015-11-29 00:52:33

96

Views

The cardinal number

Published on 29 Nov 2015 - 0:52

score 565 · Answer 5 · 2015-11-29 03:55:36

565

Views

Which of the following statements are true on countable sets

Published on 29 Nov 2015 - 3:55

score 102 · Answer 6 · 2015-11-30 10:00:27

102

Views

How to create a bijection between $(0,1)$ and $(0, \infty)$?

Published on 30 Nov 2015 - 10:00

score 509 · Answer 7 · 2015-12-02 21:13:56

509

Views

Prob 6, Sec 7 in Munkres' TOPOLOGY, 2nd ed: The existence of an injection of a superset into the set means the sets have the same cardinality?

Published on 02 Dec 2015 - 21:13

score 150 · Answer 8 · 2015-12-02 23:32:40

150

Views

Finding the cardinalty of a subset of $\mathcal{P}(\mathbb{N}) $

Published on 02 Dec 2015 - 23:32

score 53 · Answer 9 · 2015-12-03 10:08:32

53

Views

Prove that $(0,1) =c\mathbb R$

Published on 03 Dec 2015 - 10:08

score 383 · Answer 10 · 2015-12-06 06:25:41

383

Views

Prob 8, Sec 7 in Munkres' TOPOLOGY 2nd ed: How do we show these sets have the same cardinality?

Published on 06 Dec 2015 - 6:25

score 182 · Answer 11 · 2015-12-07 15:43:09

182

Views

How to prove or disprove that 2 sets have the same cardinality?

Published on 07 Dec 2015 - 15:43

score 59 · Answer 12 · 2015-12-08 05:05:31

59

Views

Prove that $\{X \in P(Z)| X \text{ is finite}\}$ is enumerable.

Published on 08 Dec 2015 - 5:05

score 743 · Answer 13 · 2026-04-04 00:35:51

743

Views

size of infinite strings and infinite alphabets

Published on 04 Apr 2026 - 0:35

score 291 · Answer 14 · 2015-12-09 14:17:36

291

Views

Cardinality Proof Problem

Published on 09 Dec 2015 - 14:17

score 265 · Answer 15 · 2026-03-31 23:08:49

265

Views

Category-theoretic properties of cardinals

Published on 31 Mar 2026 - 23:08

List Question

Show cardinality problem with natural evens, all naturals and all integers

Multisets and cardinality

Equinumerousity of two sets

The cardinal number

Which of the following statements are true on countable sets

How to create a bijection between $(0,1)$ and $(0, \infty)$?

Prob 6, Sec 7 in Munkres' TOPOLOGY, 2nd ed: The existence of an injection of a superset into the set means the sets have the same cardinality?

Finding the cardinalty of a subset of $\mathcal{P}(\mathbb{N}) $

Prove that $(0,1) =c\mathbb R$

Prob 8, Sec 7 in Munkres' TOPOLOGY 2nd ed: How do we show these sets have the same cardinality?

How to prove or disprove that 2 sets have the same cardinality?

Prove that $\{X \in P(Z)| X \text{ is finite}\}$ is enumerable.

size of infinite strings and infinite alphabets

Cardinality Proof Problem

Category-theoretic properties of cardinals

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