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15
Math.TechQA.Club
2026-03-25 11:11:53
956
Views
Metalanguage of mathematics
Published on
25 Mar 2026 - 11:11
#logic
#predicate-logic
#formal-languages
#formal-proofs
1k
Views
How many essentially different strings are there of length $\leq n$ and over an alphabet of size $|\Sigma| = m$?
Published on
26 Mar 2026 - 6:22
#combinatorics
#algorithms
#computer-science
#formal-languages
#combinatorics-on-words
46
Views
Help with a proof using the pumping lemma
Published on
25 Mar 2026 - 1:15
#proof-writing
#formal-languages
#pumping-lemma
272
Views
concatenation of 2 non-context-free languages that is context-free but not regular
Published on
25 Mar 2026 - 6:12
#formal-languages
#context-free-grammar
2.4k
Views
language kleene star union not equal to union of language kleene star
Published on
25 Mar 2026 - 11:06
#elementary-set-theory
#formal-languages
#regular-language
#regular-expressions
112
Views
A question on the formality of a theory
Published on
19 Feb 2019 - 21:47
#logic
#first-order-logic
#predicate-logic
#formal-languages
4.1k
Views
Difference of two decidable languages?
Published on
23 Feb 2026 - 3:01
#formal-languages
#turing-machines
#decidability
35
Views
How to define a certain language
Published on
01 Mar 2019 - 0:48
#formal-languages
57
Views
Non automatic structure, which is decidable
Published on
26 Mar 2026 - 1:06
#logic
#computer-science
#formal-languages
#regular-language
76
Views
Creating my own "Category Diagram Database" with query language.
Published on
25 Mar 2026 - 10:52
#soft-question
#category-theory
#homological-algebra
#formal-languages
#math-software
303
Views
Codification of a formal language in set theory.
Published on
24 Mar 2026 - 23:44
#logic
#set-theory
#formal-languages
#formal-systems
#formal-grammar
99
Views
How to define the class of terms of a formal language?
Published on
10 Mar 2019 - 23:32
#logic
#set-theory
#formal-languages
34
Views
SAT for a formula using Tableaux Propositional Logic (precedence of operators)
Published on
25 Mar 2026 - 15:59
#logic
#propositional-calculus
#formal-languages
#satisfiability
29
Views
What is the closure property in this case
Published on
14 Mar 2019 - 16:41
#formal-languages
145
Views
Variables and Language
Published on
25 Mar 2026 - 9:22
#algebra-precalculus
#logic
#formal-languages
#philosophy
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