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15
Math.TechQA.Club
2026-04-15 17:01:06
78
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Models in $L$ are models in $V$?
Published on
15 Apr 2026 - 17:01
#logic
#set-theory
#model-theory
154
Views
Löb's Theorem for proofs of constant size
Published on
20 Apr 2026 - 7:06
#logic
#provability
1.2k
Views
I don't get how "universal generalization" works? is my understanding of UI, EI, EG. correct?
Published on
15 Apr 2026 - 6:07
#logic
#first-order-logic
#predicate-logic
#quantifiers
1k
Views
Issue proving that a formula is valid using semantic tableau
Published on
17 Apr 2026 - 15:44
#logic
#computer-science
#propositional-calculus
53
Views
Induction to prove that...
Published on
11 Apr 2026 - 22:23
#logic
#induction
51
Views
Implication of vacuous truth on the space of possible statements
Published on
11 Apr 2026 - 13:13
#logic
140
Views
Logical ambiguity formula for "I have not had one of them"
Published on
13 Apr 2026 - 6:49
#logic
#propositional-calculus
#first-order-logic
#logic-translation
126
Views
What does it mean to prove $(P \to Q \to R) \to (P\to Q) \to P \to R$
Published on
15 Apr 2026 - 0:14
#logic
74
Views
Discrete Mathematics question regarding Propostional Logic
Published on
11 Apr 2026 - 20:12
#discrete-mathematics
#logic
#computer-science
#propositional-calculus
46
Views
How to prove Peano induction axiom for a candidate model
Published on
12 Apr 2026 - 12:19
#logic
#induction
#peano-axioms
460
Views
Free objects as term algebras in universal algebra and free modules
Published on
17 Apr 2026 - 8:00
#abstract-algebra
#logic
#vector-spaces
#model-theory
#universal-algebra
104
Views
Logic - Building formulas with conjunction and disjunction
Published on
12 Apr 2026 - 11:00
#logic
#propositional-calculus
421
Views
What are the consequence of negating all ZF axioms?
Published on
21 Apr 2026 - 16:09
#logic
#set-theory
683
Views
How is the material conditional treated in Natural Deduction?
Published on
13 Apr 2026 - 19:41
#logic
#propositional-calculus
88
Views
How to formally prove $\forall x: x11=x$ in the theory of groups.
Published on
11 Apr 2026 - 11:41
#group-theory
#logic
#proof-theory
#formal-proofs
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