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15
Math.TechQA.Club
2026-05-11 01:48:39
559
Views
Showing $\mathbb{R}^2$ has a Hamel basis using Zorn's lemma?
Published on
11 May 2026 - 1:48
#set-theory
#axiom-of-choice
#hamel-basis
48
Views
Separable $\Rightarrow$ Lindelöf for metric spaces without using second-countability
Published on
10 May 2026 - 15:27
#general-topology
#metric-spaces
#axiom-of-choice
#separable-spaces
#second-countable
113
Views
Existence of total order for every set
Published on
11 Apr 2026 - 11:59
#logic
#propositional-calculus
#model-theory
#axiom-of-choice
63
Views
Choicelike consequence of compactness
Published on
14 Apr 2026 - 12:21
#logic
#set-theory
#model-theory
#axiom-of-choice
229
Views
Proving Hausdorff maximality principle without Choice
Published on
14 Apr 2026 - 13:46
#set-theory
#axiom-of-choice
178
Views
How strong are weak choice principles?
Published on
09 Apr 2026 - 1:31
#set-theory
#axiom-of-choice
165
Views
Do we need the Axiom of Choice to guarantee surjectiveness of projections?
Published on
11 May 2026 - 5:46
#set-theory
#axiom-of-choice
#projection
256
Views
Giving an explicit example showing that AC is independent of ZF.
Published on
11 Apr 2026 - 16:29
#logic
#set-theory
#axiom-of-choice
176
Views
Strength of "every affine scheme is compact"
Published on
10 Apr 2026 - 19:21
#algebraic-geometry
#set-theory
#axiom-of-choice
307
Views
Intuition for Diaconescu's theorem
Published on
12 Apr 2026 - 0:46
#logic
#axiom-of-choice
#type-theory
68
Views
Describing the sup-closure within a poset without the Axiom of Choice
Published on
10 Apr 2026 - 21:21
#elementary-set-theory
#order-theory
#axiom-of-choice
117
Views
Uncountable well ordered set in $Z^-$ theory.
Published on
11 Apr 2026 - 3:29
#set-theory
#axiom-of-choice
71
Views
Help with AC $\Rightarrow$ Zorn's Lemma proof
Published on
13 Apr 2026 - 7:32
#logic
#set-theory
#axiom-of-choice
325
Views
Zorn's Lemma implies Axiom of Choice
Published on
11 Apr 2026 - 19:27
#proof-verification
#elementary-set-theory
#axiom-of-choice
237
Views
Books that summarize the classical application of Zorn’s Lemma.
Published on
12 Apr 2026 - 22:25
#reference-request
#set-theory
#order-theory
#axiom-of-choice
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