Question

Independent statements about generated $\sigma$-algebras

score 86 · Answer 1 · 2026-04-12 07:52:37

86

Views

Independent statements about generated $\sigma$-algebras

Published on 12 Apr 2026 - 7:52

score 68 · Answer 2 · 2026-04-12 07:50:28

68

Views

What are the normal subgroups of symmetric groups?

Published on 12 Apr 2026 - 7:50

score 104 · Answer 3 · 2026-04-14 14:33:17

104

Views

Axiom of Choice for finite vs infinite product of sets

Published on 14 Apr 2026 - 14:33

score 443 · Answer 4 · 2026-04-13 22:35:39

443

Views

What is the cardinality of the set of equivalence classes of infinite sequences in $\Bbb{Q}$ that converge in $\Bbb{R}$?

Published on 13 Apr 2026 - 22:35

score 117 · Answer 5 · 2026-04-12 11:58:15

117

Views

Reference request: definition of class

Published on 12 Apr 2026 - 11:58

score 586 · Answer 6 · 2026-04-12 05:23:06

586

Views

Inequality with cardinal numbers

Published on 12 Apr 2026 - 5:23

score 215 · Answer 7 · 2026-04-11 18:36:19

215

Views

Defining functions of arbitrary arity and higher abstraction in set theory

Published on 11 Apr 2026 - 18:36

score 101 · Answer 8 · 2026-04-13 08:55:58

101

Views

Hungerford's statement in what is class in Gödel-Bernays axiomatic set theory.

Published on 13 Apr 2026 - 8:55

score 600 · Answer 9 · 2026-04-11 20:25:42

600

Views

What is the definition of belonging in axiomatic set theory?

Published on 11 Apr 2026 - 20:25

score 90 · Answer 10 · 2026-04-14 01:56:26

90

Views

showing chain-completeness or conditional completeness of functions

Published on 14 Apr 2026 - 1:56

score 170 · Answer 11 · 2026-04-11 01:47:44

170

Views

Condensation lemma in Devlin

Published on 11 Apr 2026 - 1:47

score 62 · Answer 12 · 2026-04-12 06:08:47

62

Views

$\kappa$-dense implies $\kappa^+$-saturated

Published on 12 Apr 2026 - 6:08

score 54 · Answer 13 · 2026-04-15 06:45:51

54

Views

Defining certain injections on non-stationary sets

Published on 15 Apr 2026 - 6:45

score 95 · Answer 14 · 2026-04-09 05:09:24

95

Views

Another ordinals question $\sum_{i\in\omega +3} i\cdot\omega + \omega\cdot i$

Published on 09 Apr 2026 - 5:09

score 109 · Answer 15 · 2026-04-16 01:27:47

Can $(X, τ)$ be a nontrivial topological space such that $(τ,X)$ is also a topological space and a metric space under the same metric?

List Question

Independent statements about generated $\sigma$-algebras

What are the normal subgroups of symmetric groups?

Axiom of Choice for finite vs infinite product of sets

What is the cardinality of the set of equivalence classes of infinite sequences in $\Bbb{Q}$ that converge in $\Bbb{R}$?

Reference request: definition of class

Inequality with cardinal numbers

Defining functions of arbitrary arity and higher abstraction in set theory

Hungerford's statement in what is class in Gödel-Bernays axiomatic set theory.

What is the definition of belonging in axiomatic set theory?

showing chain-completeness or conditional completeness of functions

Condensation lemma in Devlin

$\kappa$-dense implies $\kappa^+$-saturated

Defining certain injections on non-stationary sets

Another ordinals question $\sum_{i\in\omega +3} i\cdot\omega + \omega\cdot i$

Can $(X, τ)$ be a nontrivial topological space such that $(τ,X)$ is also a topological space and a metric space under the same metric?

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