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15
Math.TechQA.Club
2026-03-27 07:13:50
61
Views
Monadic Second-order Logic of 2 Successors and Binary Tree Automata
Published on
27 Mar 2026 - 7:13
#logic
#reference-request
#automata
#trees
#second-order-logic
54
Views
Does ((L=NP) and (PH=PSPACE)) imply (FO=SO)? Is (L=/=NP) or (PH=/=PSPACE)?
Published on
09 Apr 2026 - 7:48
#logic
#first-order-logic
#computational-complexity
#second-order-logic
#descriptive-complexity
294
Views
Given FOL=Turing machines, why is SOL different than FOL?
Published on
26 Mar 2026 - 12:13
#logic
#computer-science
#first-order-logic
#turing-machines
#second-order-logic
148
Views
CH holds in V if and only if CH is actually true, for V a model of ZFC2
Published on
27 Apr 2020 - 14:47
#logic
#set-theory
#second-order-logic
146
Views
Does having many models yield complex second-order theories?
Published on
28 Mar 2026 - 16:44
#logic
#set-theory
#model-theory
#computability
#second-order-logic
109
Views
When can a statement in Second Order Logic be converted into a statement in First Order Logic
Published on
26 Mar 2026 - 17:30
#first-order-logic
#peano-axioms
#second-order-logic
270
Views
Expressing binary quantifiers like 'most' and 'finitely many' in second-order logic
Published on
25 Mar 2026 - 19:01
#logic
#higher-order-logic
#second-order-logic
374
Views
Is the axiom of induction required for proving the first Gödel's incompleteness theorem?
Published on
26 Mar 2026 - 8:00
#logic
#first-order-logic
#peano-axioms
#incompleteness
#second-order-logic
61
Views
Is there a commonly used notion of regular language outside of finite order types and $\omega$?
Published on
27 Mar 2026 - 8:46
#logic
#order-theory
#automata
#regular-language
#second-order-logic
101
Views
Derivative of a trace with relation to a vector inside a kronecker product
Published on
25 Mar 2026 - 19:03
#derivatives
#kronecker-product
#second-order-logic
585
Views
The complexity of finiteness
Published on
31 Mar 2026 - 22:44
#logic
#set-theory
#model-theory
#axiom-of-choice
#second-order-logic
55
Views
What is the best way to define a generically finite set?
Published on
08 Apr 2026 - 16:12
#solution-verification
#first-order-logic
#second-order-logic
36
Views
Completeness Axiom of L2Real is True under an interpretation about probability in GTM53
Published on
20 Feb 2023 - 11:55
#probability-theory
#logic
#real-numbers
#second-order-logic
191
Views
A Question regarding Properties of predicates and the definition of the Quantifiers
Published on
08 Apr 2026 - 16:07
#logic
#propositional-calculus
#first-order-logic
#second-order-logic
106
Views
What is the proof theoretic ordinal of $\mathsf{B\Sigma}_{2}^{0}$?
Published on
25 Mar 2026 - 6:03
#logic
#second-order-logic
#reverse-math
#ordinal-analysis
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