2021
DOI: 10.1007/978-3-030-88853-4_21
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Uniform Interpolation via Nested Sequents

Abstract: We introduce a Gentzen-style framework, called layered sequent calculi, for modal logic K5 and its extensions KD5, K45, KD45, KB5, and S5 with the goal to investigate the uniform Lyndon interpolation property (ULIP), which implies both the uniform interpolation property and the Lyndon interpolation property. We obtain complexityoptimal decision procedures for all logics and present a constructive proof of the ULIP for K5, which to the best of our knowledge, is the first such syntactic proof. To prove that the … Show more

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Cited by 5 publications
(3 citation statements)
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“…The method for K,T, and D can be found in (van der and the one for S5 in an extended version (van der Giessen et al, 2022). • Chapter 6: the analysis of (Ghilardi, 2000) is published in (van der Giessen, 2021b).…”
Section: Publicationsmentioning
confidence: 99%
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“…The method for K,T, and D can be found in (van der and the one for S5 in an extended version (van der Giessen et al, 2022). • Chapter 6: the analysis of (Ghilardi, 2000) is published in (van der Giessen, 2021b).…”
Section: Publicationsmentioning
confidence: 99%
“…The method for K, T, and D is published in (van der . The work on S5 is provided in the follow-up (van der Giessen et al, 2022). Section 4.1 introduces the nested sequents and hypersequents that we use.…”
Section: Uniform Interpolation Via Multicomponent Sequentsmentioning
confidence: 99%
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