Journal of Philosophical Logic 34 (5-6):507-544 (2005)

Authors
Sara Negri
University of Helsinki
Abstract
A general method for generating contraction- and cut-free sequent calculi for a large family of normal modal logics is presented. The method covers all modal logics characterized by Kripke frames determined by universal or geometric properties and it can be extended to treat also Gödel-Löb provability logic. The calculi provide direct decision methods through terminating proof search. Syntactic proofs of modal undefinability results are obtained in the form of conservativity theorems.
Keywords Philosophy
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DOI 10.1007/s10992-005-2267-3
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References found in this work BETA

Modal Logic.Patrick Blackburn, Maarten de Rijke & Yde Venema - 2002 - Cambridge University Press.
Basic Proof Theory.A. S. Troelstra - 2000 - Cambridge University Press.
Structural Proof Theory.Sara Negri, Jan von Plato & Aarne Ranta - 2001 - Cambridge University Press.
Provability in Logic.STIG KANGER - 1957 - Stockholm, Almqvist & Wiksell.
Cut Elimination in the Presence of Axioms.Sara Negri & Jan Von Plato - 1998 - Bulletin of Symbolic Logic 4 (4):418-435.

View all 22 references / Add more references

Citations of this work BETA

Proof Analysis in Intermediate Logics.Roy Dyckhoff & Sara Negri - 2012 - Archive for Mathematical Logic 51 (1-2):71-92.
Proof Analysis for Lewis Counterfactuals.Sara Negri & Giorgio Sbardolini - 2016 - Review of Symbolic Logic 9 (1):44-75.
A More Unified Approach to Free Logics.Edi Pavlović & Norbert Gratzl - 2021 - Journal of Philosophical Logic 50 (1):117-148.
Proofs and Countermodels in Non-Classical Logics.Sara Negri - 2014 - Logica Universalis 8 (1):25-60.

View all 70 citations / Add more citations

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