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15
Math.TechQA.Club
2020-12-07 22:52:35
123
Views
How to formally write this statement on the existence of the limits?
Published on
07 Dec 2020 - 22:52
#calculus
#logic
#foundations
227
Views
Peano Arithmetic - Decidability
Published on
23 Feb 2026 - 22:53
#logic
#foundations
#peano-axioms
#incompleteness
#decidability
151
Views
Is there a mathematical theory postulating something like the existence of the maximum (natural) number?
Published on
25 Mar 2026 - 1:38
#logic
#foundations
#finitism
658
Views
What is the point of disjoint union?
Published on
29 Dec 2020 - 17:55
#general-topology
#soft-question
#foundations
157
Views
Is there a finitist semantics for transfinite mathematics?
Published on
25 Mar 2026 - 1:35
#set-theory
#infinity
#foundations
#philosophy
#finitism
208
Views
Spivak's ambiguous popcorn function
Published on
07 Jan 2021 - 16:27
#calculus
#analysis
#continuity
#foundations
386
Views
Simple examples of undergraduate real analysis that cannot be written in the language of first-order logic
Published on
13 Jan 2021 - 17:04
#real-analysis
#logic
#examples-counterexamples
#first-order-logic
#foundations
64
Views
Is the length of a line a property of that line, or is it its own mathematical object?
Published on
30 Mar 2026 - 10:41
#geometry
#terminology
#euclidean-geometry
#foundations
#philosophy
539
Views
the (seeming) loop caused by defining Natural numbers through inductive sets.
Published on
31 Mar 2026 - 3:26
#induction
#set-theory
#definition
#foundations
#natural-numbers
223
Views
Interpreting ETCS in ZFC
Published on
28 Jan 2021 - 16:55
#reference-request
#category-theory
#soft-question
#set-theory
#foundations
107
Views
How do you prove that $m\in\Bbb Z$ implies that $m^2$ is even with ZFC?
Published on
05 Feb 2021 - 0:17
#foundations
51
Views
What significance is there if a theorem can be proved in the same system in more than one way?
Published on
08 Feb 2021 - 18:01
#logic
#foundations
453
Views
Is there any way to avoid Gödel incompleteness theorem?
Published on
29 Mar 2026 - 2:31
#logic
#foundations
#incompleteness
71
Views
Examples of other thinkers supporting Lakatos' view of mathematics
Published on
30 Mar 2026 - 12:16
#foundations
#philosophy
215
Views
What does Cohen independence theorem say?
Published on
29 Mar 2026 - 20:10
#logic
#set-theory
#foundations
#forcing
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