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15
Math.TechQA.Club
2026-05-10 16:12:48
111
Views
Natural Deduction - 'monotone' property of sequent
Published on
10 May 2026 - 16:12
#logic
#propositional-calculus
#proof-theory
#natural-deduction
44
Views
Proving $\forall a\;\exists b\;\forall c,d$ such that $|c-d|≤b ∨|c^2-d^2|>a$ (with all values positive reals)
Published on
11 May 2026 - 8:38
#logic
#proof-writing
#proof-explanation
#propositional-calculus
#absolute-value
133
Views
How sequent calculus are connected with the usual notion of satisfiability or validitiy of formula?
Published on
11 May 2026 - 0:56
#logic
#propositional-calculus
#first-order-logic
#proof-theory
150
Views
How to express the special property of a partial order?
Published on
10 May 2026 - 15:01
#abstract-algebra
#logic
#propositional-calculus
#lattice-orders
207
Views
Use logical deduction to show that the following propositions are unconditionally true
Published on
28 Apr 2026 - 7:45
#logic
#propositional-calculus
#sequent-calculus
884
Views
Clarification of: $f$ has no multiple root in any field extension of $F$ unless $f'$ is the zero polynomial
Published on
14 Apr 2026 - 9:40
#abstract-algebra
#logic
#field-theory
#propositional-calculus
#extension-field
137
Views
Does the equivalence ($P \rightarrow Q$) $\iff$ ($\lnot P \lor Q$) hold in intuitionistic logic?
Published on
10 May 2026 - 11:21
#propositional-calculus
#intuitionistic-logic
77
Views
proving validity of propositions(logic)
Published on
13 Apr 2026 - 22:32
#logic
#propositional-calculus
116
Views
proving or disproving logical claims
Published on
16 Apr 2026 - 2:52
#logic
#propositional-calculus
220
Views
Predicate Calculus - English Sentence Translation
Published on
10 May 2026 - 13:48
#logic
#propositional-calculus
#first-order-logic
#predicate-logic
#logic-translation
316
Views
Write in the form “if p, then q” in English. To get tenure as a professor, it is sufficient to be world famous.
Published on
16 Apr 2026 - 2:09
#discrete-mathematics
#logic
#propositional-calculus
25
Views
linear proposition quality(logic)
Published on
11 Apr 2026 - 23:30
#logic
#propositional-calculus
117
Views
How to prove the following propositional logic equivalence?
Published on
10 Apr 2026 - 11:17
#logic
#propositional-calculus
69
Views
Cannot simplify this boolean expression
Published on
11 May 2026 - 6:10
#logic
#propositional-calculus
#boolean-algebra
100
Views
How would I convert this sentence to propositional logic?
Published on
10 May 2026 - 14:51
#discrete-mathematics
#propositional-calculus
#logic-translation
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