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15
Math.TechQA.Club
2026-03-22 01:52:29
496
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Categoricity of second order theories - precisely what does it mean?
Published on
22 Mar 2026 - 1:52
#logic
#set-theory
#model-theory
#foundations
#second-order-logic
975
Views
Why Set Theory as Foundation?
Published on
24 Mar 2026 - 23:59
#set-theory
#foundations
#motivation
224
Views
Is Godel's incompleteness theorem unavoidable?
Published on
25 Mar 2026 - 1:21
#soft-question
#foundations
#incompleteness
407
Views
Foundations of Mathematics - Where to Start?
Published on
07 Aug 2018 - 19:18
#book-recommendation
#foundations
474
Views
A model-theoretic question re: Nelson and exponentiation
Published on
24 Mar 2026 - 23:53
#logic
#foundations
#peano-axioms
#finitism
6.4k
Views
Is consistency an axiom of mathematics?
Published on
25 Mar 2026 - 3:07
#set-theory
#axioms
#foundations
#incompleteness
567
Views
$n$-tuples as nested ordered pairs: a formal definition using recursion on $\mathbb{N}$
Published on
25 Mar 2026 - 9:34
#set-theory
#recursion
#foundations
#natural-numbers
73
Views
Subtyping of Prop in Coq. Implementation of Ackermann class theory. First-order theories.
Published on
22 Mar 2026 - 23:55
#logic
#computer-science
#foundations
#computer-assisted-proofs
#alternative-set-theories
53
Views
Transfinity of $\mathbb{Q}$ and $\mathbb{Z}$
Published on
30 Aug 2018 - 17:21
#order-theory
#cardinals
#foundations
937
Views
Existence of Natural Numbers as an Axiom
Published on
04 Sep 2018 - 14:37
#set-theory
#axioms
#foundations
#peano-axioms
#type-theory
962
Views
How to prove $\sqrt{2}\in \Bbb{R}$ with Dedekind cuts?
Published on
11 Sep 2018 - 12:47
#proof-writing
#real-numbers
#foundations
42
Views
manners of collection
Published on
17 Sep 2018 - 14:26
#probability
#foundations
82
Views
What makes a structured set a set of numbers?
Published on
18 Sep 2018 - 14:44
#number-theory
#arithmetic
#foundations
3.8k
Views
Why is the principle of explosion accepted in constructive mathematics?
Published on
25 Mar 2026 - 7:43
#logic
#foundations
#constructive-mathematics
91
Views
How does the well-orderedness of the set of natural numbers follow assuming the inductive-set definition of natural numbers
Published on
25 Mar 2026 - 12:50
#real-analysis
#real-numbers
#foundations
#natural-numbers
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