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15
Math.TechQA.Club
2026-05-11 09:35:28
64
Views
Do you know a good book or study on the philosophical background of the ZFC axioms?
Published on
11 May 2026 - 9:35
#reference-request
#axiom-of-choice
#axioms
#philosophy
165
Views
Is it consistent with ZF that all finitely additive probability measures on $\mathbb{N}$ are countably additive?
Published on
10 Apr 2026 - 23:11
#probability-theory
#measure-theory
#set-theory
#axiom-of-choice
41
Views
Properties of the category of sets with an operation of countably infinite arity and the axiom of countable choice
Published on
14 Apr 2026 - 22:44
#set-theory
#axiom-of-choice
60
Views
It is true that the criterio of comparation of sets is equivalent to Axiom choice?
Published on
14 Apr 2026 - 13:51
#set-theory
#cardinals
#axiom-of-choice
#ordinals
75
Views
Restatement of Axiom of choice
Published on
13 Apr 2026 - 5:28
#set-theory
#axiom-of-choice
63
Views
Non-maximal prime ideal that is maximal among prime ideals
Published on
12 Apr 2026 - 6:01
#commutative-algebra
#set-theory
#examples-counterexamples
#axiom-of-choice
1k
Views
Zorn's lemma, every set can be well-ordered
Published on
12 Apr 2026 - 16:23
#proof-verification
#proof-explanation
#axiom-of-choice
#well-orders
35
Views
An elementary question about cardinal arithmetic without AC
Published on
11 Apr 2026 - 6:27
#elementary-set-theory
#cardinals
#axiom-of-choice
48
Views
Countable set of elements chosen from Countable collection
Published on
13 Apr 2026 - 11:14
#proof-verification
#set-theory
#axiom-of-choice
168
Views
Infinite choice (ZF)
Published on
11 Apr 2026 - 22:24
#logic
#set-theory
#first-order-logic
#axiom-of-choice
141
Views
Are there interestingly non-equivalent definitions of countability over ZF?
Published on
11 Apr 2026 - 23:13
#logic
#set-theory
#axiom-of-choice
234
Views
How to apply Zorn's Lemma to prove cardinalities are a total order?
Published on
10 May 2026 - 17:01
#elementary-set-theory
#order-theory
#axiom-of-choice
#transfinite-induction
109
Views
Why is no AOC needed when proving Baire's theorem for a separable complete metric space?
Published on
11 May 2026 - 2:45
#functional-analysis
#reference-request
#set-theory
#axiom-of-choice
#baire-category
109
Views
Is choice needed to prove that there always exist a deformation in the non-obstructed case?
Published on
10 May 2026 - 15:09
#representation-theory
#axiom-of-choice
#group-cohomology
#deformation-theory
#galois-representations
210
Views
Generalization of Amorphous Sets
Published on
16 Apr 2026 - 19:15
#set-theory
#axiom-of-choice
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