List questions from propositional-calculus

Published on 06 Mar 2017 - 22:08

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"Modus moron" rule of inference?

Published on 27 Mar 2026 - 2:07

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How universal and existential quantifiers relate to each other?

Published on 02 Apr 2026 - 20:07

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proving logical equivalence involving biconditional

Published on 08 Mar 2017 - 9:47

191

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clausal normal form

Published on 25 Mar 2026 - 11:08

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if s ⊨ t and s∧¬t ⊨ ¬u then s ⊨ u. T or F? Logical consequences.

Published on 08 Mar 2017 - 23:04

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Why is "A only if B" equivalent to "(not A) or B"?

Published on 25 Mar 2026 - 23:37

198

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Existence of recursive function.

Published on 01 Apr 2026 - 6:25

133

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Proving the following about sets of propositions.

Published on 10 Mar 2017 - 16:15

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Proof by induction on wffs

Published on 10 Mar 2017 - 23:40

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Prove $A\implies C \vee D$ from $(A\implies C) \vee (A\implies D)$ with natural deduction

Published on 27 Mar 2026 - 2:07

106

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Using a Hilbert system to show the correctness of a few logical arguments

Published on 27 Mar 2026 - 4:21

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Can a proposition contain variables?

Published on 08 Apr 2026 - 22:33

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Proving the limit of $\frac{1}{n^2+n}$ = 0 using the $\epsilon$ - N definition

Published on 01 Apr 2026 - 0:25

50

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How can algebraic theories be stronger than elementary theories?

Published on 09 Apr 2026 - 4:56

List Question

Propositional Logic Formula Graph

"Modus moron" rule of inference?

How universal and existential quantifiers relate to each other?

proving logical equivalence involving biconditional

clausal normal form

if s ⊨ t and s∧¬t ⊨ ¬u then s ⊨ u. T or F? Logical consequences.

Why is "A only if B" equivalent to "(not A) or B"?

Existence of recursive function.

Proving the following about sets of propositions.

Proof by induction on wffs

Prove $A\implies C \vee D$ from $(A\implies C) \vee (A\implies D)$ with natural deduction

Using a Hilbert system to show the correctness of a few logical arguments

Can a proposition contain variables?

Proving the limit of $\frac{1}{n^2+n}$ = 0 using the $\epsilon$ - N definition

How can algebraic theories be stronger than elementary theories?

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