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15
Math.TechQA.Club
2026-04-10 14:26:03
2k
Views
Formally what is a mathematical construction?
Published on
10 Apr 2026 - 14:26
#logic
#terminology
222
Views
Inverse of a recoursive function
Published on
13 Apr 2026 - 15:57
#functions
#logic
#recursion
97
Views
Lambda-calculus - Basic Problem with application of Fixedpoint theorem
Published on
09 Apr 2026 - 14:08
#logic
#lambda-calculus
89
Views
Given p ⇒ q, use the Fitch System to prove ¬q ⇒ ¬p.
Published on
16 Apr 2026 - 16:32
#logic
56
Views
Given ¬(p ∨ q), prove (¬p ∧ ¬q) using propositional logic operators.
Published on
17 Apr 2026 - 11:14
#logic
#propositional-calculus
71
Views
A formula for calculating a set of natural numbers from a given Natural number.
Published on
14 Apr 2026 - 0:11
#sequences-and-series
#logic
#binary
116
Views
Lambda-Calculus - Alternative proof without fixed point combinator
Published on
11 Apr 2026 - 0:34
#proof-verification
#logic
#alternative-proof
#lambda-calculus
179
Views
Two ways to represent ex falso?
Published on
10 Apr 2026 - 22:20
#logic
#propositional-calculus
7.9k
Views
Still struggling to understand vacuous truths
Published on
09 Apr 2026 - 4:50
#logic
#definition
#propositional-calculus
41
Views
Set logic when there is no elements given
Published on
13 Apr 2026 - 21:00
#algebra-precalculus
#elementary-set-theory
#logic
251
Views
Hilbert style axiom system without generalisation
Published on
09 Apr 2026 - 1:54
#logic
#first-order-logic
#predicate-logic
#proof-theory
#hilbert-calculus
3.4k
Views
With this definition of completeness, Gödel's Incompleteness result seems not surprising, so why it was back then?
Published on
15 Apr 2026 - 13:27
#logic
#first-order-logic
#incompleteness
167
Views
Question regarding De Morgan's law and contrapositives
Published on
13 Apr 2026 - 13:32
#discrete-mathematics
#logic
104
Views
Can we rigorously define certainties of famous conjectures?
Published on
17 Apr 2026 - 5:06
#probability
#logic
#soft-question
#riemann-zeta
#open-problem
60
Views
Limit case of PA theories?
Published on
13 Apr 2026 - 0:47
#logic
#peano-axioms
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