Question

How do I interpret this answer?

score 55 · Answer 1 · 2020-04-30 12:31:23

55

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How do I interpret this answer?

Published on 30 Apr 2020 - 12:31

score 34 · Answer 2 · 2020-05-03 11:36:37

34

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Definition of 'term t is free for v in $\phi$' in predicate logic

Published on 03 May 2020 - 11:36

score 55 · Answer 3 · 2026-03-28 16:44:18

55

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Help With Predicate Logic Proof $(\exists x)[R(x) \vee S(x)] \rightarrow (\exists x)R(x) \vee (\exists x)S(x)$

Published on 28 Mar 2026 - 16:44

score 291 · Answer 4 · 2026-03-25 15:55:47

291

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Translation of $[\forall xP(x) \rightarrow (\forall x) Q(x)] \rightarrow (\forall x) [P(x) \rightarrow Q(x)]$ to English

Published on 25 Mar 2026 - 15:55

score 160 · Answer 5 · 2026-03-25 12:55:21

160

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Modal Logic Translation to other Logics

Published on 25 Mar 2026 - 12:55

score 173 · Answer 6 · 2026-03-26 12:08:28

173

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Given $\exists x.\lnot p(x)$, use the Fitch System to prove $\lnot \forall x.p(x)$

Published on 26 Mar 2026 - 12:08

score 598 · Answer 7 · 2020-05-11 14:39:49

598

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Logically, deductively, tautologically, semantically, syntactically valid arguments, what is the difference?

Published on 11 May 2020 - 14:39

score 976 · Answer 8 · 2026-03-26 12:08:30

976

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Given $∃y.∀x.p(x,y)$, use the Fitch system to prove $∀x.∃y.p(x,y)$

Published on 26 Mar 2026 - 12:08

score 468 · Answer 9 · 2026-03-26 12:08:27

468

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Given $\forall X\, p(X)$, use the Fitch System to prove $\lnot \exists X\, \lnot p(X)$

Published on 26 Mar 2026 - 12:08

score 27 · Answer 10 · 2026-03-26 19:24:10

27

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Can these sentences be the same premise?

Published on 26 Mar 2026 - 19:24

score 35 · Answer 11 · 2020-05-17 05:46:08

35

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What is the negation of the given statement in metric space

Published on 17 May 2020 - 5:46

score 575 · Answer 12 · 2020-05-19 17:03:24

575

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Proof of ⊨∃x(Px⇒∀xPx) (Drinker's Paradox)

Published on 19 May 2020 - 17:03

score 139 · Answer 13 · 2026-03-25 11:11:42

139

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First Order Logic: How to transform to prenex conjunctive normal form and Skolem form?

Published on 25 Mar 2026 - 11:11

score 30 · Answer 14 · 2020-05-19 20:47:22

30

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Show that ${\Delta(\Gamma)}$ is the intersection of all maximal consistent ${\Sigma}$ containing ${\Gamma}$

Published on 19 May 2020 - 20:47

score 243 · Answer 15 · 2026-03-25 11:09:04

243

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Universal Quantifier in Intuitionistic Logic

Published on 25 Mar 2026 - 11:09

List Question

How do I interpret this answer?

Definition of 'term t is free for v in $\phi$' in predicate logic

Help With Predicate Logic Proof $(\exists x)[R(x) \vee S(x)] \rightarrow (\exists x)R(x) \vee (\exists x)S(x)$

Translation of $[\forall xP(x) \rightarrow (\forall x) Q(x)] \rightarrow (\forall x) [P(x) \rightarrow Q(x)]$ to English

Modal Logic Translation to other Logics

Given $\exists x.\lnot p(x)$, use the Fitch System to prove $\lnot \forall x.p(x)$

Logically, deductively, tautologically, semantically, syntactically valid arguments, what is the difference?

Given $∃y.∀x.p(x,y)$, use the Fitch system to prove $∀x.∃y.p(x,y)$

Given $\forall X\, p(X)$, use the Fitch System to prove $\lnot \exists X\, \lnot p(X)$

Can these sentences be the same premise?

What is the negation of the given statement in metric space

Proof of ⊨∃x(Px⇒∀xPx) (Drinker's Paradox)

First Order Logic: How to transform to prenex conjunctive normal form and Skolem form?

Show that ${\Delta(\Gamma)}$ is the intersection of all maximal consistent ${\Sigma}$ containing ${\Gamma}$

Universal Quantifier in Intuitionistic Logic

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