Question

Why is the condition of an propsitional consequence that the implication is a tautology?

score 49 · Answer 1 · 2017-02-22 18:01:42

49

Views

Why is the condition of an propsitional consequence that the implication is a tautology?

Published on 22 Feb 2017 - 18:01

score 42 · Answer 2 · 2017-02-23 01:53:27

42

Views

Deos "mutual exclusivity" have refrexibity? If not, how should I call it?

Published on 23 Feb 2017 - 1:53

score 1.5k · Answer 3 · 2017-02-23 10:24:18

1.5k

Views

Will this be a correct way in using the Davis Putnam Procedure in Propositional Logic?

Published on 23 Feb 2017 - 10:24

score 73 · Answer 4 · 2017-02-23 12:59:47

Define a function t, which takes ad its argument a propositional formula and returns the set of propositional variables in that formula

score 59 · Answer 5 · 2026-04-08 20:20:58

59

Views

How does this resolve?

Published on 08 Apr 2026 - 20:20

score 460 · Answer 6 · 2017-02-24 00:58:21

460

Views

How to prove it: clarifications on simple Example 1.2.3

Published on 24 Feb 2017 - 0:58

score 391 · Answer 7 · 2017-02-24 20:30:58

391

Views

How to simplify $(p \to (p \land q)) \to q$ without using implication?

Published on 24 Feb 2017 - 20:30

score 200 · Answer 8 · 2026-03-25 17:43:30

200

Views

Why this predicate formula is not provable in intuitionistic logic

Published on 25 Mar 2026 - 17:43

score 574 · Answer 9 · 2026-03-27 04:21:52

574

Views

Proving $(p \to q) \to ((q \to r) \to (p \to r))$ from Hilbert formal system for positive implicational formal system?

Published on 27 Mar 2026 - 4:21

score 711 · Answer 10 · 2017-02-26 19:12:25

711

Views

Naming Question. CNF Clauses vs DNF What?

Published on 26 Feb 2017 - 19:12

score 122 · Answer 11 · 2026-03-29 03:53:29

122

Views

Taxonomy and structure of concepts of logic system (propositional)

Published on 29 Mar 2026 - 3:53

score 330 · Answer 12 · 2026-03-25 19:06:56

330

Views

How can I show that the Gödel-Dummett logic has the Scroggs' Property?

Published on 25 Mar 2026 - 19:06

score 226 · Answer 13 · 2017-02-28 21:00:02

226

Views

Distributivity of AND/OR in propositional algebra?

Published on 28 Feb 2017 - 21:00

score 334 · Answer 14 · 2017-03-03 02:23:24

334

Views

What biconditional has its negation equivalent to this given disjunction?

Published on 03 Mar 2017 - 2:23

score 208 · Answer 15 · 2026-04-02 03:21:11

208

Views

Propositional logic: Proof question (p∧q)→r⊢(p→q)→r

Published on 02 Apr 2026 - 3:21

List Question

Why is the condition of an propsitional consequence that the implication is a tautology?

Deos "mutual exclusivity" have refrexibity? If not, how should I call it?

Will this be a correct way in using the Davis Putnam Procedure in Propositional Logic?

Define a function t, which takes ad its argument a propositional formula and returns the set of propositional variables in that formula

How does this resolve?

How to prove it: clarifications on simple Example 1.2.3

How to simplify $(p \to (p \land q)) \to q$ without using implication?

Why this predicate formula is not provable in intuitionistic logic

Proving $(p \to q) \to ((q \to r) \to (p \to r))$ from Hilbert formal system for positive implicational formal system?

Naming Question. CNF Clauses vs DNF What?

Taxonomy and structure of concepts of logic system (propositional)

How can I show that the Gödel-Dummett logic has the Scroggs' Property?

Distributivity of AND/OR in propositional algebra?

What biconditional has its negation equivalent to this given disjunction?

Propositional logic: Proof question (p∧q)→r⊢(p→q)→r

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