Question

Is the extender embedding from an I1 embedding necessarily an I2 embedding

score 11 · Answer 1 · 2026-03-01 19:03:23

11

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Is the extender embedding from an I1 embedding necessarily an I2 embedding

Published on 01 Mar 2026 - 19:03

score 219 · Answer 2 · 2023-11-27 01:25:48

219

Views

What are examples of models for which the Continuum Hypothesis is true/false?

Published on 27 Nov 2023 - 1:25

score 108 · Answer 3 · 2023-12-14 03:00:58

108

Views

$\kappa$ is $\kappa$-supercompact iff measurable?

Published on 14 Dec 2023 - 3:00

score 72 · Answer 4 · 2024-01-30 16:49:45

72

Views

Are two Grothendieck universes, such that one is not a subset of another, possible?

Published on 30 Jan 2024 - 16:49

score 60 · Answer 5 · 2024-02-06 18:15:32

60

Views

If $\kappa$ is weakly inaccessible, then it is the $\kappa$th element of $\{\alpha: \alpha =\aleph_\alpha\}$

Published on 06 Feb 2024 - 18:15

score 234 · Answer 6 · 2024-03-03 08:26:16

234

Views

If there is a large cardinal, can GCH also hold?

Published on 03 Mar 2024 - 8:26

score 45 · Answer 7 · 2024-03-04 05:13:20

45

Views

Why is strongness of a cardinal a different notion than Reinhardtness?

Published on 04 Mar 2024 - 5:13

score 54 · Answer 8 · 2024-03-22 21:56:11

54

Views

How to prove consistency with choice for large cardinal extensions?

Published on 22 Mar 2024 - 21:56

score 695 · Answer 9 · 2015-01-15 18:26:39

695

Views

How does Ulam's argument about large cardinals work?

Published on 15 Jan 2015 - 18:26

score 448 · Answer 10 · 2015-01-19 20:13:49

448

Views

Trouble understanding elementary embedding proofs

Published on 19 Jan 2015 - 20:13

score 286 · Answer 11 · 2026-03-27 17:04:58

286

Views

Choice-less Set Theory for Dummies

Published on 27 Mar 2026 - 17:04

score 88 · Answer 12 · 2015-03-10 19:27:34

88

Views

Replacing an ordinal with its cardinality in a partition relation

Published on 10 Mar 2015 - 19:27

score 1.2k · Answer 13 · 2015-03-30 15:03:45

1.2k

Views

Why isn't second-order ZFC categorical?

Published on 30 Mar 2015 - 15:03

score 251 · Answer 14 · 2015-04-06 16:47:16

251

Views

Why does a nontrivial $V \to V$ have a critical point?

Published on 06 Apr 2015 - 16:47

score 244 · Answer 15 · 2015-04-14 18:51:16

244

Views

Breaking the AC barrier using Kelley-Morse set theory

Published on 14 Apr 2015 - 18:51

List Question

Is the extender embedding from an I1 embedding necessarily an I2 embedding

What are examples of models for which the Continuum Hypothesis is true/false?

$\kappa$ is $\kappa$-supercompact iff measurable?

Are two Grothendieck universes, such that one is not a subset of another, possible?

If $\kappa$ is weakly inaccessible, then it is the $\kappa$th element of $\{\alpha: \alpha =\aleph_\alpha\}$

If there is a large cardinal, can GCH also hold?

Why is strongness of a cardinal a different notion than Reinhardtness?

How to prove consistency with choice for large cardinal extensions?

How does Ulam's argument about large cardinals work?

Trouble understanding elementary embedding proofs

Choice-less Set Theory for Dummies

Replacing an ordinal with its cardinality in a partition relation

Why isn't second-order ZFC categorical?

Why does a nontrivial $V \to V$ have a critical point?

Breaking the AC barrier using Kelley-Morse set theory

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