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15
Math.TechQA.Club
2026-04-11 16:47:47
71
Views
The proofs of a variant of Zorn's lemma
Published on
11 Apr 2026 - 16:47
#elementary-set-theory
#proof-verification
#axiom-of-choice
621
Views
Existence of a maximal set (with respect to set inclusion) having a certain property
Published on
14 Mar 2018 - 10:23
#elementary-set-theory
42
Views
Given an element $ \ (a,b) \in A \ $ describe its equivalence class $ \ [(a,b)] \ $ geometrically
Published on
31 Mar 2026 - 20:05
#general-topology
#elementary-set-theory
84
Views
How to find the number of elements in a set when there are different conditions?
Published on
12 Apr 2026 - 18:30
#combinatorics
#elementary-set-theory
#recreational-mathematics
#word-problem
464
Views
Countable and Uncountable Sets Question
Published on
09 Apr 2026 - 15:29
#analysis
#elementary-set-theory
#real-numbers
453
Views
symmetric difference proof
Published on
03 Apr 2026 - 1:51
#discrete-mathematics
#elementary-set-theory
#logic
179
Views
Prove set identity
Published on
11 Apr 2026 - 9:15
#discrete-mathematics
#elementary-set-theory
#logic
114
Views
Proving equality between sets (elementary set theory)
Published on
12 Apr 2026 - 22:34
#elementary-set-theory
297
Views
Books on logic and ZFC set theory for physicist
Published on
08 Apr 2026 - 18:43
#elementary-set-theory
#logic
#reference-request
#book-recommendation
608
Views
Proof that for infinite sets, bijections and injections are equivalent
Published on
08 Apr 2026 - 19:01
#elementary-set-theory
101
Views
Is there an operator for 'contained in set or subset or subset of subset' and so on?
Published on
15 Mar 2018 - 7:28
#elementary-set-theory
62
Views
finding contradiction in inductive proof of unique successor
Published on
06 Apr 2026 - 22:02
#elementary-set-theory
#natural-numbers
40
Views
Strict orders on omega
Published on
09 Apr 2026 - 7:08
#elementary-set-theory
60
Views
Is $g(x)=x^3$ surjective on $\Bbb R$?
Published on
12 Apr 2026 - 3:21
#elementary-set-theory
#proof-verification
45
Views
Prove $\bigcap_\alpha P(A_\alpha)=P(\bigcap_\alpha A_\alpha)$
Published on
15 Mar 2018 - 22:25
#elementary-set-theory
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