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15
Math.TechQA.Club
2026-04-10 22:01:24
310
Views
The powerset as a function
Published on
10 Apr 2026 - 22:01
#logic
#set-theory
#axioms
233
Views
First Order Logic Expressions with equality examples for cardinality 3 and <=4.
Published on
13 Apr 2026 - 0:37
#logic
#predicate-logic
#first-order-logic
81
Views
Give two (or infinitely many) non-isomorphic models of the following ToL expression
Published on
25 Mar 2026 - 4:40
#logic
#order-theory
#predicate-logic
#first-order-logic
140
Views
Are true and false each considered self-dual?
Published on
11 Apr 2026 - 11:06
#logic
#definition
#boolean-algebra
86
Views
Classical proof of irrationality of square root of two vs axiomatic construction of the real numbers
Published on
13 Apr 2026 - 6:37
#logic
#real-numbers
564
Views
Inference Proof for Biconditional
Published on
07 Apr 2026 - 9:38
#logic
#propositional-calculus
#proof-theory
#natural-deduction
#formal-proofs
371
Views
Existence of an inner model of ZFC implies $Con(ZFC)$?
Published on
13 Apr 2026 - 2:16
#logic
#set-theory
#foundations
#incompleteness
50
Views
Is this sentence symbolication correct? Predicate logic
Published on
12 Apr 2026 - 17:59
#logic
#predicate-logic
61
Views
Logic Gates and De Morgan's law for "$a \text{ AND } b$"
Published on
13 Apr 2026 - 7:31
#logic
#propositional-calculus
87
Views
Can we calculate the probability of the following scenario?
Published on
12 Apr 2026 - 21:26
#probability
#logic
130
Views
How Do I solve this further? Logic (Fitch)
Published on
08 Apr 2026 - 21:28
#logic
75
Views
Isomorphic Models via Ehrenfreucht-Fraisse games
Published on
25 Mar 2026 - 6:05
#logic
#model-theory
606
Views
Model checking for logical consequence in propositional logic
Published on
12 Apr 2026 - 18:21
#logic
#algorithms
#propositional-calculus
124
Views
How to show that the intersection of a countable sequence of elementary classes is not an elementary class
Published on
13 Apr 2026 - 6:10
#logic
54
Views
Nonempty bounded definable sets in ultrapowers
Published on
13 Apr 2026 - 9:19
#logic
#model-theory
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