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15
Math.TechQA.Club
2026-03-15 15:38:02
56
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From $(p\lor q)\to r, s\to\neg p, s\land\neg q$, prove $\neg r$
Published on
15 Mar 2026 - 15:38
#logic
#propositional-calculus
42
Views
Looking for an example of a $\mathcal{L}$-expression
Published on
25 Mar 2026 - 9:55
#discrete-mathematics
#logic
#propositional-calculus
#formal-languages
26
Views
Help to prove that $ \Gamma \equiv\Gamma \setminus \{P\mid \models P\} $
Published on
15 Mar 2026 - 2:03
#logic
#propositional-calculus
89
Views
Foundations of Logic (validity of the argument)
Published on
22 Mar 2026 - 7:15
#logic
#propositional-calculus
174
Views
Use induction to show that a truth assignment on $\Gamma\cup\Lambda$ satisfies all theorem from $\Gamma$
Published on
23 Mar 2026 - 1:09
#proof-verification
#logic
#induction
#propositional-calculus
#hilbert-calculus
61
Views
Logical Entailment with Different Signatures
Published on
22 Mar 2026 - 11:53
#logic
#propositional-calculus
95
Views
Negation of statement
Published on
24 Mar 2026 - 23:50
#logic
#propositional-calculus
#predicate-logic
#boolean-algebra
244
Views
Syntactic proof
Published on
21 Mar 2026 - 19:06
#logic
#propositional-calculus
159
Views
k-CNF formulae and formulae that are not equivalent to them
Published on
22 Mar 2026 - 17:39
#logic
#propositional-calculus
#predicate-logic
#conjunctive-normal-form
#disjunctive-normal-form
80
Views
Reduce Logical Expression
Published on
21 Mar 2026 - 22:08
#logic
#propositional-calculus
385
Views
How to use axioms to prove a derivation in propositional calculus?
Published on
22 Mar 2026 - 17:27
#logic
#propositional-calculus
#formal-systems
227
Views
Is the argument valid or invalid?
Published on
22 Mar 2026 - 2:50
#logic
#propositional-calculus
134
Views
How to find a proof of a formula in propositional calculus?
Published on
23 Mar 2026 - 6:40
#propositional-calculus
#hilbert-calculus
889
Views
Is the following argument valid?
Published on
22 Mar 2026 - 4:55
#logic
#propositional-calculus
1k
Views
Proof of Peirce's Law in Propositional Calculus
Published on
15 Mar 2026 - 6:18
#logic
#propositional-calculus
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