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15
Math.TechQA.Club
2011-10-24 01:01:46
202
Views
$\Sigma_1 \cup \Sigma_2$ has a model
Published on
24 Oct 2011 - 1:01
#logic
#model-theory
186
Views
Another question on saturated models of ZFC
Published on
10 Apr 2026 - 18:20
#logic
#set-theory
#model-theory
968
Views
How many countable models of ZFC are there?
Published on
12 Apr 2026 - 6:27
#set-theory
#model-theory
384
Views
Gluing together mathematical structures, how?
Published on
11 Apr 2026 - 11:04
#logic
#model-theory
#products
1.1k
Views
Fraïssé limits and groups
Published on
10 Apr 2026 - 4:44
#group-theory
#logic
#model-theory
993
Views
Model Theory: Homomorphism preserves positive L-formulas
Published on
06 Dec 2011 - 5:18
#logic
#model-theory
414
Views
Using the compactness theorem to show a set of first-order formula is equivalent to a set of quantifier-free formula
Published on
11 Dec 2011 - 7:26
#logic
#model-theory
2.1k
Views
What is an efficient nesting of mathematical theorems?
Published on
09 Apr 2026 - 18:31
#model-theory
190
Views
How to prove exact number of congruences over $\mathbb {R}$?
Published on
11 Apr 2026 - 23:53
#model-theory
123
Views
Trying to construct a model for this algebraic specification
Published on
21 Dec 2011 - 15:27
#model-theory
636
Views
Inaccessible cardinals and well-founded models of ZFC
Published on
11 Apr 2026 - 18:52
#logic
#set-theory
#model-theory
#large-cardinals
1.2k
Views
Topological spaces as model-theoretic structures -- definitions?
Published on
11 Apr 2026 - 6:47
#general-topology
#model-theory
2.3k
Views
Is there a first-order-logic for calculus?
Published on
09 Apr 2026 - 20:32
#calculus
#logic
#model-theory
650
Views
Structuralist slogans
Published on
11 Apr 2026 - 19:45
#reference-request
#category-theory
#big-list
#model-theory
#philosophy
1.1k
Views
Non-ZFC set theory and the hyperreals: problem solved?
Published on
12 Apr 2026 - 9:35
#logic
#set-theory
#model-theory
#nonstandard-analysis
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