Question

Can we prove using intuitionist logic that $\neg \exists r: \forall x: [P(x,r) \iff \neg P(x,x)]$

score 65 · Answer 1 · 2026-03-25 07:46:09

65

Views

Can we prove using intuitionist logic that $\neg \exists r: \forall x: [P(x,r) \iff \neg P(x,x)]$

Published on 25 Mar 2026 - 7:46

score 143 · Answer 2 · 2026-03-25 07:43:34

143

Views

In Intuitionistic Kripke semantics, is proving a formula not forced at one node the same as proving it not derivable/invalid?

Published on 25 Mar 2026 - 7:43

score 300 · Answer 3 · 2026-04-11 15:00:21

300

Views

A Question About the Order of Learning from the Book "Lectures on the Curry-Howard Isomorphism" (1998)

Published on 11 Apr 2026 - 15:00

score 132 · Answer 4 · 2026-03-25 09:31:45

132

Views

What does intuitionism/constructivism say about this proof?

Published on 25 Mar 2026 - 9:31

score 406 · Answer 5 · 2026-03-25 07:41:43

406

Views

Relation between Heyting algebras and Intuitionistic logic

Published on 25 Mar 2026 - 7:41

score 90 · Answer 6 · 2026-03-25 07:47:17

90

Views

Satisfaction relation in Intuitionistic Logic

Published on 25 Mar 2026 - 7:47

score 75 · Answer 7 · 2026-03-25 09:26:37

75

Views

For which logic output of funcntion $\tau$ will be K logic?

Published on 25 Mar 2026 - 9:26

score 112 · Answer 8 · 2026-04-09 12:01:18

112

Views

Proving $\Gamma \vdash \phi$ Implies $\Gamma \vDash \phi$ (for Institutionistic propositional logic and Heying algebras)

Published on 09 Apr 2026 - 12:01

score 110 · Answer 9 · 2026-03-25 07:42:44

110

Views

Resource suggestion for practicing modal logic and intuitionistic logic

Published on 25 Mar 2026 - 7:42

score 119 · Answer 10 · 2026-03-25 07:46:30

119

Views

Provide a Kripke model to prove that $\neg(\neg P\lor \neg Q\lor R)\to (P\land Q \land R)$ is false in intuitionistic logic

Published on 25 Mar 2026 - 7:46

score 77 · Answer 11 · 2026-03-25 07:40:09

77

Views

intuitionistic probability theory

Published on 25 Mar 2026 - 7:40

score 51 · Answer 12 · 2026-04-10 22:06:04

51

Views

Watered down axiom of choice

Published on 10 Apr 2026 - 22:06

score 211 · Answer 13 · 2026-03-25 07:47:12

211

Views

Possible worlds with different formal semantics

Published on 25 Mar 2026 - 7:47

score 567 · Answer 14 · 2026-03-25 07:49:11

567

Views

About Gödel-Gentzen negative translation

Published on 25 Mar 2026 - 7:49

score 106 · Answer 15 · 2026-04-09 11:41:19

106

Views

Are constant functions continuous in constructive mathematics?

Published on 09 Apr 2026 - 11:41

List Question

Can we prove using intuitionist logic that $\neg \exists r: \forall x: [P(x,r) \iff \neg P(x,x)]$

In Intuitionistic Kripke semantics, is proving a formula not forced at one node the same as proving it not derivable/invalid?

A Question About the Order of Learning from the Book "Lectures on the Curry-Howard Isomorphism" (1998)

What does intuitionism/constructivism say about this proof?

Relation between Heyting algebras and Intuitionistic logic

Satisfaction relation in Intuitionistic Logic

For which logic output of funcntion $\tau$ will be K logic?

Proving $\Gamma \vdash \phi$ Implies $\Gamma \vDash \phi$ (for Institutionistic propositional logic and Heying algebras)

Resource suggestion for practicing modal logic and intuitionistic logic

Provide a Kripke model to prove that $\neg(\neg P\lor \neg Q\lor R)\to (P\land Q \land R)$ is false in intuitionistic logic

intuitionistic probability theory

Watered down axiom of choice

Possible worlds with different formal semantics

About Gödel-Gentzen negative translation

Are constant functions continuous in constructive mathematics?

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