Question

Relation $\vDash$ and inequality of the evaluation functions

score 59 · Answer 1 · 2026-04-11 16:18:39

59

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Relation $\vDash$ and inequality of the evaluation functions

Published on 11 Apr 2026 - 16:18

score 34 · Answer 2 · 2023-03-06 14:58:53

34

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Can you expand the same formula in different branches in the method of analytic tableaux?

Published on 06 Mar 2023 - 14:58

score 36 · Answer 3 · 2023-03-07 17:21:07

36

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How to find the general form for a family of tautologies?

Published on 07 Mar 2023 - 17:21

score 26 · Answer 4 · 2023-03-10 08:22:45

26

Views

Propositional logic in other domains

Published on 10 Mar 2023 - 8:22

score 66 · Answer 5 · 2026-04-09 04:13:10

66

Views

Is there a general form of a logical formula with N variables?

Published on 09 Apr 2026 - 4:13

score 108 · Answer 6 · 2023-03-22 20:31:06

108

Views

Inconsistency of propositional calculus given $(\neg A \to B) \to (A \to \neg B)$

Published on 22 Mar 2023 - 20:31

score 89 · Answer 7 · 2026-04-11 17:47:26

89

Views

Why are there 5 propositional connectives in propositional calculus?

Published on 11 Apr 2026 - 17:47

score 89 · Answer 8 · 2026-04-09 11:23:28

89

Views

Theorems (or references to analysis) of a particular Hilbert-deductive-system using $\\{\neg, \wedge, \vee, \rightarrow\\}$ as primitive symbols?

Published on 09 Apr 2026 - 11:23

score 73 · Answer 9 · 2026-04-09 20:42:20

73

Views

Why do we care about the decidability of a theory?

Published on 09 Apr 2026 - 20:42

score 118 · Answer 10 · 2026-03-26 14:17:40

118

Views

Constructive proof of compactness theorem for countable propositional languages

Published on 26 Mar 2026 - 14:17

score 288 · Answer 11 · 2026-04-11 14:08:44

288

Views

Truth sets in mathematics

Published on 11 Apr 2026 - 14:08

score 65 · Answer 12 · 2026-04-10 16:10:52

65

Views

Question about clausal form

Published on 10 Apr 2026 - 16:10

score 72 · Answer 13 · 2023-04-02 08:00:55

72

Views

If $P \implies Q \implies R$ holds, does it follow that $\lnot R \implies \lnot Q \implies \lnot P$ is also true?

Published on 02 Apr 2023 - 8:00

score 224 · Answer 14 · 2023-04-03 02:25:06

224

Views

Is "the dog is Batman" a proposition?

Published on 03 Apr 2023 - 2:25

score 186 · Answer 15 · 2023-04-04 00:32:11

186

Views

Proving/disproving an argument's validity

Published on 04 Apr 2023 - 0:32

List Question

Relation $\vDash$ and inequality of the evaluation functions

Can you expand the same formula in different branches in the method of analytic tableaux?

How to find the general form for a family of tautologies?

Propositional logic in other domains

Is there a general form of a logical formula with N variables?

Inconsistency of propositional calculus given $(\neg A \to B) \to (A \to \neg B)$

Why are there 5 propositional connectives in propositional calculus?

Theorems (or references to analysis) of a particular Hilbert-deductive-system using $\\{\neg, \wedge, \vee, \rightarrow\\}$ as primitive symbols?

Why do we care about the decidability of a theory?

Constructive proof of compactness theorem for countable propositional languages

Truth sets in mathematics

Question about clausal form

If $P \implies Q \implies R$ holds, does it follow that $\lnot R \implies \lnot Q \implies \lnot P$ is also true?

Is "the dog is Batman" a proposition?

Proving/disproving an argument's validity

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