Question

Image of compacts sets under a pseudo-continuous functions is bounded

score 90 · Answer 1 · 2026-04-14 05:15:39

90

Views

Image of compacts sets under a pseudo-continuous functions is bounded

Published on 14 Apr 2026 - 5:15

score 79 · Answer 2 · 2026-04-14 03:01:43

79

Views

Non-existence claims making use of the axiom of regularity

Published on 14 Apr 2026 - 3:01

score 210 · Answer 3 · 2026-04-16 19:15:57

210

Views

Generalization of Amorphous Sets

Published on 16 Apr 2026 - 19:15

score 601 · Answer 4 · 2026-04-12 14:23:54

601

Views

Beth cardinals and inacceesible cardinals

Published on 12 Apr 2026 - 14:23

score 146 · Answer 5 · 2026-04-10 19:29:30

146

Views

The Ultrafilter Principle as a midway between Axiom of Choice and the Axiom of Choice for Finite Sets?

Published on 10 Apr 2026 - 19:29

score 215 · Answer 6 · 2026-03-25 17:42:25

215

Views

Ultrafilter principle and Axiom of Dependent Choice as 'nonconstructive and constructive' components of the Axiom of Choice

Published on 25 Mar 2026 - 17:42

score 89 · Answer 7 · 2026-04-09 14:40:15

89

Views

History of infinte cartesian products in set theory

Published on 09 Apr 2026 - 14:40

score 130 · Answer 8 · 2026-04-08 16:50:37

130

Views

Winning strategies for games on the natural numbers

Published on 08 Apr 2026 - 16:50

score 131 · Answer 9 · 2026-04-10 10:36:26

131

Views

What "good" (illuminating) examples are there of elements in $\omega^\omega\setminus\omega^{<\omega}$?

Published on 10 Apr 2026 - 10:36

score 560 · Answer 10 · 2026-04-17 01:42:36

560

Views

To each injective function there exists a surjective such that $f \circ g =\operatorname{Id}_X$

Published on 17 Apr 2026 - 1:42

score 180 · Answer 11 · 2026-04-13 22:10:57

180

Views

If the Power Set of $S$ is an infinite Dedekind-finite set, what can be concluded about $S$?

Published on 13 Apr 2026 - 22:10

score 94 · Answer 12 · 2026-04-14 14:17:48

94

Views

A Boolean algebra has the $\kappa\text{-c.c.}$ if and only if it has no descending $\kappa\text{-chains}$.

Published on 14 Apr 2026 - 14:17

score 108 · Answer 13 · 2026-04-14 00:31:07

108

Views

Ultrafilter Principle + Hausdorffness as a substitute of the Axiom of Choice

Published on 14 Apr 2026 - 0:31

score 295 · Answer 14 · 2026-04-12 03:09:03

295

Views

Easton’s Lemma in forcing

Published on 12 Apr 2026 - 3:09

score 134 · Answer 15 · 2026-04-15 19:42:44

If a set $S$ can be partitioned into $\mathfrak{n}$ amorphous sets, can $S$ be partitioned into $\mathfrak{m}$ infinite sets?

List Question

Image of compacts sets under a pseudo-continuous functions is bounded

Non-existence claims making use of the axiom of regularity

Generalization of Amorphous Sets

Beth cardinals and inacceesible cardinals

The Ultrafilter Principle as a midway between Axiom of Choice and the Axiom of Choice for Finite Sets?

Ultrafilter principle and Axiom of Dependent Choice as 'nonconstructive and constructive' components of the Axiom of Choice

History of infinte cartesian products in set theory

Winning strategies for games on the natural numbers

What "good" (illuminating) examples are there of elements in $\omega^\omega\setminus\omega^{<\omega}$?

To each injective function there exists a surjective such that $f \circ g =\operatorname{Id}_X$

If the Power Set of $S$ is an infinite Dedekind-finite set, what can be concluded about $S$?

A Boolean algebra has the $\kappa\text{-c.c.}$ if and only if it has no descending $\kappa\text{-chains}$.

Ultrafilter Principle + Hausdorffness as a substitute of the Axiom of Choice

Easton’s Lemma in forcing

If a set $S$ can be partitioned into $\mathfrak{n}$ amorphous sets, can $S$ be partitioned into $\mathfrak{m}$ infinite sets?

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