Question

finding the inverse of the sum of prime factorization

score 235 · Answer 1 · 2026-04-11 10:55:01

235

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finding the inverse of the sum of prime factorization

Published on 11 Apr 2026 - 10:55

score 402 · Answer 2 · 2026-04-09 10:00:08

402

Views

Book recommendation on set theory relations and functions.

Published on 09 Apr 2026 - 10:00

score 155 · Answer 3 · 2018-03-12 10:28:18

155

Views

Proof Wiki: Set of Finite Subsets of Countable Set is Countable/Proof 3

Published on 12 Mar 2018 - 10:28

score 414 · Answer 4 · 2026-04-09 06:37:13

414

Views

Confusion about Axiom of Choice

Published on 09 Apr 2026 - 6:37

score 58 · Answer 5 · 2026-04-11 03:27:08

58

Views

Naive Question About Interpreting a Set Notation

Published on 11 Apr 2026 - 3:27

score 38 · Answer 6 · 2018-03-12 22:08:55

38

Views

Let α ∈ ℝ and Tα = { (n,α): n ∈ ℕ }

Published on 12 Mar 2018 - 22:08

score 41 · Answer 7 · 2026-03-25 07:42:59

41

Views

Identifying Equivalence Relations - Foundations of Mathematics

Published on 25 Mar 2026 - 7:42

score 42 · Answer 8 · 2018-03-13 05:50:32

42

Views

Proof verification: Why we can find $S\subset S_{\sigma_0}$ such that $\mu(S)>0$?

Published on 13 Mar 2018 - 5:50

score 170 · Answer 9 · 2026-04-12 08:47:35

170

Views

Is it possible to prove this more general variant of Zorn's lemma?

Published on 12 Apr 2026 - 8:47

score 520 · Answer 10 · 2026-04-12 11:52:45

520

Views

Is $f(x) = x^2$ surjective on $\mathbb N$? Improving proof notation

Published on 12 Apr 2026 - 11:52

score 175 · Answer 11 · 2018-03-13 13:01:20

175

Views

Every natural number is either $0$ or the successor $x^{+}$ of a unique $x \in \mathbb{N}$

Published on 13 Mar 2018 - 13:01

score 661 · Answer 12 · 2026-04-11 23:00:06

661

Views

How do we express a straight line of $R^2$ in set notation?

Published on 11 Apr 2026 - 23:00

score 191 · Answer 13 · 2026-04-09 07:44:21

191

Views

$|\mathbb{Z}|=|\mathbb{N}|$

Published on 09 Apr 2026 - 7:44

score 713 · Answer 14 · 2026-04-12 11:07:26

713

Views

Show that any two infinite subsets of $\mathbb{Z}$ have the same cardinality.

Published on 12 Apr 2026 - 11:07

score 42 · Answer 15 · 2018-03-14 04:24:22

42

Views

cardinals implied by Replacement

Published on 14 Mar 2018 - 4:24

List Question

finding the inverse of the sum of prime factorization

Book recommendation on set theory relations and functions.

Proof Wiki: Set of Finite Subsets of Countable Set is Countable/Proof 3

Confusion about Axiom of Choice

Naive Question About Interpreting a Set Notation

Let α ∈ ℝ and Tα = { (n,α): n ∈ ℕ }

Identifying Equivalence Relations - Foundations of Mathematics

Proof verification: Why we can find $S\subset S_{\sigma_0}$ such that $\mu(S)>0$?

Is it possible to prove this more general variant of Zorn's lemma?

Is $f(x) = x^2$ surjective on $\mathbb N$? Improving proof notation

Every natural number is either $0$ or the successor $x^{+}$ of a unique $x \in \mathbb{N}$

How do we express a straight line of $R^2$ in set notation?

$|\mathbb{Z}|=|\mathbb{N}|$

Show that any two infinite subsets of $\mathbb{Z}$ have the same cardinality.

cardinals implied by Replacement

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