Question

Vector space of real valued function with size continuum

score 53 · Answer 1 · 2026-04-28 02:23:16

53

Views

Vector space of real valued function with size continuum

Published on 28 Apr 2026 - 2:23

score 285 · Answer 2 · 2026-04-14 15:36:15

285

Views

Cofinality of $\omega^{CK}_{\omega_1+1}$

Published on 14 Apr 2026 - 15:36

score 100 · Answer 3 · 2026-04-12 19:16:01

100

Views

increasing sequence of functions modulo fixed finite error

Published on 12 Apr 2026 - 19:16

score 110 · Answer 4 · 2026-04-15 21:02:45

110

Views

Every arrow in category $\mathbf{SET}$ is regular

Published on 15 Apr 2026 - 21:02

score 155 · Answer 5 · 2026-04-15 23:25:22

155

Views

The rank of an ordered pair.

Published on 15 Apr 2026 - 23:25

score 109 · Answer 6 · 2026-03-25 03:21:29

109

Views

Does the statement "Every short exact sequence of vector spaces splits" imply the axiom of choice?

Published on 25 Mar 2026 - 3:21

score 299 · Answer 7 · 2026-04-13 02:35:15

299

Views

What is the meaning of "definable class"?

Published on 13 Apr 2026 - 2:35

score 80 · Answer 8 · 2026-04-10 10:03:42

80

Views

Is the axiom of choice needed to define a collection of subsets of some set $V$?

Published on 10 Apr 2026 - 10:03

score 479 · Answer 9 · 2026-04-12 13:20:11

479

Views

What sets are there with order type $\omega^2$

Published on 12 Apr 2026 - 13:20

score 143 · Answer 10 · 2026-04-13 20:04:26

143

Views

Existence of minimal transitive model of ZF(C).

Published on 13 Apr 2026 - 20:04

score 89 · Answer 11 · 2026-04-09 16:03:25

89

Views

$\kappa$-ultrafilter on $\kappa$, creating a partition from $\bigcup_{\alpha < \lambda} X_\alpha \in $ filter

Published on 09 Apr 2026 - 16:03

score 125 · Answer 12 · 2026-04-12 07:31:27

125

Views

Tail set on $\mathcal{F}$ non-principal a $\kappa$-complete ultrafilter on $\kappa$

Published on 12 Apr 2026 - 7:31

score 60 · Answer 13 · 2026-04-11 10:39:36

60

Views

$ZFC^-$ and transitivity

Published on 11 Apr 2026 - 10:39

score 203 · Answer 14 · 2026-04-11 16:05:57

203

Views

Example of infinite partition of a set $A$, with no elements in ultrafilter on $A$

Published on 11 Apr 2026 - 16:05

score 174 · Answer 15 · 2026-04-16 02:47:08

174

Views

Prove that the set of powers of a set, $\{ A^n : n \in \mathbb{N} \}$ exists by using ZFC axioms (without replacement).

Published on 16 Apr 2026 - 2:47

List Question

Vector space of real valued function with size continuum

Cofinality of $\omega^{CK}_{\omega_1+1}$

increasing sequence of functions modulo fixed finite error

Every arrow in category $\mathbf{SET}$ is regular

The rank of an ordered pair.

Does the statement "Every short exact sequence of vector spaces splits" imply the axiom of choice?

What is the meaning of "definable class"?

Is the axiom of choice needed to define a collection of subsets of some set $V$?

What sets are there with order type $\omega^2$

Existence of minimal transitive model of ZF(C).

$\kappa$-ultrafilter on $\kappa$, creating a partition from $\bigcup_{\alpha < \lambda} X_\alpha \in $ filter

Tail set on $\mathcal{F}$ non-principal a $\kappa$-complete ultrafilter on $\kappa$

$ZFC^-$ and transitivity

Example of infinite partition of a set $A$, with no elements in ultrafilter on $A$

Prove that the set of powers of a set, $\{ A^n : n \in \mathbb{N} \}$ exists by using ZFC axioms (without replacement).

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