List questions from propositional-calculus

Published on 26 Jul 2018 - 9:48

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Given ¬(p ∨ q), use the Fitch system to prove (¬p ∧ ¬q).

Published on 27 Jul 2018 - 15:20

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How to find exactly $2$ events that from events list that meet certain criteria in tuple relational calculus?

Published on 30 Mar 2026 - 9:59

202

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Negation of the Definition of Linear Independence

Published on 31 Jul 2018 - 5:14

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Is $1=1$ tautology?

Published on 31 Jul 2018 - 5:45

603

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Negation of a Statement when Logical Equivalences are Involved

Published on 31 Jul 2018 - 9:32

533

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Prove the following theorem in propositional calculus

Published on 01 Aug 2018 - 9:19

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Prove that nand is functionally complete

Published on 02 Aug 2018 - 4:47

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finding the conjunctive normal form of a statement

Published on 25 Mar 2026 - 9:11

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Is it possible for the DNF and CNF to be the same

Published on 30 Mar 2026 - 8:54

465

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How to prove $\lnot(p\to q)\vdash p \land\lnot q$

Published on 25 Mar 2026 - 1:18

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Finding a logically equivalent conjunctive normal form.

Published on 25 Mar 2026 - 6:32

112

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Closed world paradoxon - He who knows knothing can believe nothing

Published on 03 Aug 2018 - 7:14

143

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Propositional Logic - Equivalences

Published on 03 Aug 2018 - 14:03

458

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How is $[P \text{ AND } (Q \text{ OR } R)] \text{ IFF } [(P \text{ AND } Q) \text{ OR } (P \text{ AND } R)]$ valid?

Published on 05 Aug 2018 - 16:15

List Question

Using Rules of Logic, Prove the Following

Given ¬(p ∨ q), use the Fitch system to prove (¬p ∧ ¬q).

How to find exactly $2$ events that from events list that meet certain criteria in tuple relational calculus?

Negation of the Definition of Linear Independence

Is $1=1$ tautology?

Negation of a Statement when Logical Equivalences are Involved

Prove the following theorem in propositional calculus

Prove that nand is functionally complete

finding the conjunctive normal form of a statement

Is it possible for the DNF and CNF to be the same

How to prove $\lnot(p\to q)\vdash p \land\lnot q$

Finding a logically equivalent conjunctive normal form.

Closed world paradoxon - He who knows knothing can believe nothing

Propositional Logic - Equivalences

How is $[P \text{ AND } (Q \text{ OR } R)] \text{ IFF } [(P \text{ AND } Q) \text{ OR } (P \text{ AND } R)]$ valid?

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