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15
Math.TechQA.Club
2026-04-14 21:26:41
94
Views
If Algorithms Count as Formal Proofs
Published on
14 Apr 2026 - 21:26
#proof-writing
#algorithms
#proof-theory
8.8k
Views
Why does proof by elimination work?
Published on
11 Apr 2026 - 9:16
#logic
#proof-theory
530
Views
How can we be so sure that we don't live in Pudlak's inconsistent world?
Published on
10 May 2026 - 16:20
#logic
#model-theory
#proof-theory
#peano-axioms
187
Views
Can two different models of arithmetic have non-comparable views of peano arithmetic?
Published on
10 May 2026 - 14:06
#logic
#model-theory
#proof-theory
#peano-axioms
#meta-math
344
Views
For every formula of linear logic, is there an equivalent formula in intuitionistic linear logic?
Published on
29 Apr 2026 - 12:52
#logic
#proof-theory
#sequent-calculus
#linear-logic
38
Views
Uniqueness of realizers
Published on
13 Apr 2026 - 7:07
#logic
#proof-theory
219
Views
Can second order peano arithmetic prove that first order peano arithmetic is sound?
Published on
05 May 2026 - 23:11
#logic
#proof-theory
#peano-axioms
#meta-math
#second-order-logic
705
Views
How to show local soundness and completeness for NAND
Published on
10 May 2026 - 15:55
#logic
#proof-theory
#natural-deduction
322
Views
How to prove statements in formal set theory? Substitution, the empty set and an example.
Published on
12 Apr 2026 - 18:32
#elementary-set-theory
#first-order-logic
#proof-theory
570
Views
Provably unprovable statement?
Published on
12 Apr 2026 - 15:58
#logic
#proof-theory
283
Views
A axiomatization of (full) Second Order Logic with a decidable proof system cannot be complete; is this true if we only require semi-decidability?
Published on
29 Apr 2026 - 12:05
#logic
#model-theory
#proof-theory
#decidability
#second-order-logic
1.1k
Views
Explaining the resolution rule.
Published on
10 Apr 2026 - 10:52
#discrete-mathematics
#logic
#propositional-calculus
#proof-theory
3.5k
Views
What is a heuristic proof?
Published on
10 Apr 2026 - 23:48
#proof-writing
#proof-explanation
#proof-theory
128
Views
Maximal (or prime) theories and their sets
Published on
10 May 2026 - 11:20
#logic
#propositional-calculus
#proof-theory
#modal-logic
#intuitionistic-logic
83
Views
Given a new proof system N show that...
Published on
09 Apr 2026 - 21:31
#logic
#propositional-calculus
#proof-theory
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