Question

Bounded class comprehension axiom with a modal operator

score 21 · Answer 1 · 2022-05-31 14:36:27

21

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Bounded class comprehension axiom with a modal operator

Published on 31 May 2022 - 14:36

score 133 · Answer 2 · 2026-03-26 19:05:42

133

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If $S5 \vdash \alpha$ then $S4 \vdash \diamond \alpha$

Published on 26 Mar 2026 - 19:05

score 76 · Answer 3 · 2022-06-26 17:42:21

76

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Equivalent of Post-completeness for modal logic S5; any stronger system leads to modal collapse.

Published on 26 Jun 2022 - 17:42

score 77 · Answer 4 · 2022-06-26 19:20:12

77

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Names for parts of relational models of modal logic

Published on 26 Jun 2022 - 19:20

score 187 · Answer 5 · 2022-07-11 03:31:27

187

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What does $\Vdash$ mean?

Published on 11 Jul 2022 - 3:31

score 78 · Answer 6 · 2022-07-11 14:42:30

78

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What does $\Leftrightarrow$ Mean?

Published on 11 Jul 2022 - 14:42

score 198 · Answer 7 · 2022-07-14 08:03:24

198

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In context of modal logic question regarding ultrafilter extension of $\tau$-model

Published on 14 Jul 2022 - 8:03

score 50 · Answer 8 · 2022-07-14 22:46:18

50

Views

Some equivalent formula in Deterministic modal logic

Published on 14 Jul 2022 - 22:46

score 113 · Answer 9 · 2022-07-19 17:09:43

113

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Understanding Lawvere's categorical interpretation of the Hadamard and Marx's writing on differential calculus

Published on 19 Jul 2022 - 17:09

score 98 · Answer 10 · 2022-07-24 01:15:14

98

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Modal Logic equipped with "$\overline{\Diamond}$"

Published on 24 Jul 2022 - 1:15

score 204 · Answer 11 · 2022-07-25 05:17:38

204

Views

The Class Of All Possible Worlds

Published on 25 Jul 2022 - 5:17

score 31 · Answer 12 · 2022-07-25 10:43:15

31

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Is there an unsatifiable formula in modal logic K whose negation is not valid?

Published on 25 Jul 2022 - 10:43

score 67 · Answer 13 · 2022-08-01 21:14:53

67

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What do the operators bigvee and bigwedge mean in modal logic? Eg, $\bigvee_{\delta_C\in\Delta_C}\langle\delta_C\rangle\top$

Published on 01 Aug 2022 - 21:14

score 136 · Answer 14 · 2022-08-06 22:32:46

136

Views

Proving $\phi\wedge\Box\Box\phi\rightarrow\Box(\phi\wedge\Box\Box\phi)$

Published on 06 Aug 2022 - 22:32

score 151 · Answer 15 · 2022-08-14 18:24:50

151

Views

Why is modal logic's S4 Axiom written as '◻A→◻◻A'?

Published on 14 Aug 2022 - 18:24

List Question

Bounded class comprehension axiom with a modal operator

If $S5 \vdash \alpha$ then $S4 \vdash \diamond \alpha$

Equivalent of Post-completeness for modal logic S5; any stronger system leads to modal collapse.

Names for parts of relational models of modal logic

What does $\Vdash$ mean?

What does $\Leftrightarrow$ Mean?

In context of modal logic question regarding ultrafilter extension of $\tau$-model

Some equivalent formula in Deterministic modal logic

Understanding Lawvere's categorical interpretation of the Hadamard and Marx's writing on differential calculus

Modal Logic equipped with "$\overline{\Diamond}$"

The Class Of All Possible Worlds

Is there an unsatifiable formula in modal logic K whose negation is not valid?

What do the operators bigvee and bigwedge mean in modal logic? Eg, $\bigvee_{\delta_C\in\Delta_C}\langle\delta_C\rangle\top$

Proving $\phi\wedge\Box\Box\phi\rightarrow\Box(\phi\wedge\Box\Box\phi)$

Why is modal logic's S4 Axiom written as '◻A→◻◻A'?

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