Question

Dimensionality of proper subspaces of uncountable dimensional vector space.

score 52 · Answer 1 · 2022-01-29 11:59:15

52

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Dimensionality of proper subspaces of uncountable dimensional vector space.

Published on 29 Jan 2022 - 11:59

score 66 · Answer 2 · 2026-03-28 11:26:57

66

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Help understanding construction of the least uncountable ordinal

Published on 28 Mar 2026 - 11:26

score 193 · Answer 3 · 2022-02-04 20:20:22

193

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What is the largest ordinal number that is also a natural number?

Published on 04 Feb 2022 - 20:20

score 120 · Answer 4 · 2022-02-13 04:46:22

120

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if $\beta < \gamma$, then $\alpha + \beta < \alpha + \gamma$ for ordinals $\alpha, \beta, \gamma$

Published on 13 Feb 2022 - 4:46

score 180 · Answer 5 · 2022-02-14 13:19:35

Are the ordinals $\alpha$ so that the stable ordinals $< \alpha$ are unbounded in $\alpha$ equivalent to the nonprojectible ordinals $\alpha$

score 46 · Answer 6 · 2026-03-26 16:06:45

46

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Can we define the predicate "ordinal" in ZF-Reg. by recursion?

Published on 26 Mar 2026 - 16:06

score 101 · Answer 7 · 2026-03-28 11:29:08

101

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Supremum in well orderings

Published on 28 Mar 2026 - 11:29

score 97 · Answer 8 · 2022-02-16 16:32:52

97

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Isomorphism between the first the uncountable ordinal $\omega_{1}$ and real numbers

Published on 16 Feb 2022 - 16:32

score 300 · Answer 9 · 2026-03-28 11:26:57

300

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What is the intuitive meaning of a transitive set?

Published on 28 Mar 2026 - 11:26

score 66 · Answer 10 · 2022-02-21 19:44:48

66

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Exponentiating limit ordinals

Published on 21 Feb 2022 - 19:44

score 103 · Answer 11 · 2022-02-21 22:48:41

103

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Is this set of ordinals an ordinal?

Published on 21 Feb 2022 - 22:48

score 117 · Answer 12 · 2026-03-25 20:07:33

117

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Exercises on transfinite induction

Published on 25 Mar 2026 - 20:07

score 24 · Answer 13 · 2022-02-22 17:02:38

24

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Can we conclude $rng(f) \subseteq \beta$ for some $\beta \in B \cap \omega_1$?

Published on 22 Feb 2022 - 17:02

score 65 · Answer 14 · 2022-03-01 01:51:25

65

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The cardinality of the preimage of an ordinal

Published on 01 Mar 2022 - 1:51

score 379 · Answer 15 · 2022-03-03 15:16:57

379

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Questions about $\omega_1$ as a space (The Set of All Countable Ordinals)

Published on 03 Mar 2022 - 15:16

List Question

Dimensionality of proper subspaces of uncountable dimensional vector space.

Help understanding construction of the least uncountable ordinal

What is the largest ordinal number that is also a natural number?

if $\beta < \gamma$, then $\alpha + \beta < \alpha + \gamma$ for ordinals $\alpha, \beta, \gamma$

Are the ordinals $\alpha$ so that the stable ordinals $< \alpha$ are unbounded in $\alpha$ equivalent to the nonprojectible ordinals $\alpha$

Can we define the predicate "ordinal" in ZF-Reg. by recursion?

Supremum in well orderings

Isomorphism between the first the uncountable ordinal $\omega_{1}$ and real numbers

What is the intuitive meaning of a transitive set?

Exponentiating limit ordinals

Is this set of ordinals an ordinal?

Exercises on transfinite induction

Can we conclude $rng(f) \subseteq \beta$ for some $\beta \in B \cap \omega_1$?

The cardinality of the preimage of an ordinal

Questions about $\omega_1$ as a space (The Set of All Countable Ordinals)

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