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15
Math.TechQA.Club
2026-04-09 14:14:55
152
Views
Need help with proof by contradiction of implication.
Published on
09 Apr 2026 - 14:14
#discrete-mathematics
#proof-writing
#foundations
60
Views
Question on the reasoning behind determining surjectivity of a function
Published on
11 Apr 2026 - 22:31
#functions
#foundations
91
Views
How to define substitution using ZFC
Published on
09 Apr 2026 - 5:04
#substitution
#foundations
525
Views
Hilbert Program: Consistency vs Soundness
Published on
13 Apr 2026 - 20:29
#logic
#math-history
#foundations
#philosophy
309
Views
What is the Turing degree of Truth?
Published on
10 Apr 2026 - 21:22
#logic
#arithmetic
#computability
#foundations
152
Views
Development of topology and differential geometry in ETCS
Published on
14 Apr 2026 - 1:59
#general-topology
#differential-geometry
#foundations
57
Views
What function $f(n)$ is defined by $f(1)=2$ and $f(n+1)=2f(n)$ for $n\geq 1$
Published on
16 Apr 2026 - 7:46
#number-theory
#foundations
727
Views
Well-definedness of uncomputable functions.
Published on
11 Apr 2026 - 4:59
#set-theory
#computability
#foundations
186
Views
Consistency of PA from a Formalist Perspective
Published on
10 May 2026 - 17:19
#logic
#foundations
#incompleteness
#peano-axioms
501
Views
Legitimacy of Consistency Proofs
Published on
10 May 2026 - 17:19
#logic
#foundations
#incompleteness
115
Views
Can you recommend literature - easy/gentle/for self-study/introductory... - for the following topics...?
Published on
10 May 2026 - 12:34
#foundations
#proof-theory
#constructive-mathematics
#meta-math
#reverse-math
331
Views
Formalist understanding of metalogical proofs
Published on
09 Apr 2026 - 22:33
#logic
#foundations
#philosophy
222
Views
Natural Transformation Between Covariant Hom-Functors
Published on
12 Apr 2026 - 15:35
#abstract-algebra
#proof-verification
#category-theory
#foundations
177
Views
How did mathematicans prove things before ZFC or Peano
Published on
11 Apr 2026 - 4:51
#math-history
#foundations
#peano-axioms
337
Views
The Scope of Axiomatic Set Theory
Published on
14 Apr 2026 - 1:18
#logic
#set-theory
#axiom-of-choice
#foundations
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