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Many-Dimensional Modal Logics: Theory and Applications als Buch

Many-Dimensional Modal Logics: Theory and Applications

Sprache: Englisch.
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Modal logics, originally conceived in philosophy, have recently found many applications in computer science, artificial intelligence, the foundations of mathematics, linguistics and other disciplines. Celebrated for their good computational behaviour … weiterlesen


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Many-Dimensional Modal Logics: Theory and Applications als Buch


Titel: Many-Dimensional Modal Logics: Theory and Applications
Autor/en: A. Kurucz, F. Wolter, M. Zakharyaschev

ISBN: 0444508260
EAN: 9780444508263
Sprache: Englisch.

November 2003 - gebunden - 766 Seiten


Modal logics, originally conceived in philosophy, have recently found many applications in computer science, artificial intelligence, the foundations of mathematics, linguistics and other disciplines. Celebrated for their good computational behaviour, modal logics are used as effective formalisms for talking about time, space, knowledge, beliefs, actions, obligations, provability, etc. However, the nice computational properties can drastically change if we combine some of these formalisms into a many-dimensional system, say, to reason about knowledge bases developing in time or moving objects. To study the computational behaviour of many-dimensional modal logics is the main aim of this book. On the one hand, it is concerned with providing a solid mathematical foundation for this discipline, while on the other hand, it shows that many seemingly different applied many-dimensional systems (e.g., multi-agent systems, description logics with epistemic, temporal and dynamic operators, spatio-temporal logics, etc.) fit in perfectly with this theoretical framework, and so their computational behaviour can be analyzed using the developed machinery. We start with concrete examples of applied one- and many-dimensional modal logics such as temporal, epistemic, dynamic, description, spatial logics, and various combinations of these. Then we develop a mathematical theory for handling a spectrum of 'abstract' combinations of modal logics - fusions and products of modal logics, fragments of first-order modal and temporal logics - focusing on three major problems: decidability, axiomatizability, and computational complexity. Besides the standard methods of modal logic, the technicaltoolkit includes the method of quasimodels, mosaics, tilings, reductions to monadic second-order logic, algebraic logic techniques. Finally, we apply the developed machinery and obtained results to three case studies from the field of knowledge representation and reasoning: tempo


I Introduction 1 Modal logic basics 1.1 Modal axiomatic systems 1.2 Possible world semantics 1.3 Classical first-order logic and the standard translation 1.4 Multimodal logics 1.5 Algebraic semantics 1.6 Decision, complexity and axiomatizability problems 2 Applied modal logic 2.1 Temporal logic 2.2 Interval temporal logic 2.3 Epistemic logic 2.4 Dynamic logic 2.5 Description logic 2.6 Spatial logic 2.7 Intuitionistic logic 2.8 'Model level' reductions between logics 3 Many-dimensional modal logics 3.1 Fusions 3.2 Spatio-temporal logics 3.3 Products 3.4 Temporal epistemic logics 3.5 Classical first-order logic as a propositional multimodal logic 3.6 First-order modal logics 3.7 First-order temporal logics 3.8 Description logics with modal operators 3.9 HS as a two-dimensional logic 3.10 Modal transition logics 3.11 Intuitionistic modal logics II Fusions and products 4 Fusions of modal logics 4.1 Preserving Kripke completeness and the finite model property 4.2 Algebraic preliminaries 4.3 Preserving decidability of global consequence 4.4 Preserving decidability 4.5 Preserving interpolation 4.6 On the computational complexity of fusions 5 Products of modal logics: introduction 5.1 Axiomatizing products 5.2 Proving decidability with quasimodels 5.3 The finite model property 5.4 Proving undecidability 5.5 Proving complexity with tilings 6 Decidable products 6.1 Warming up: Kn x Km 6.2 CPDL x K_m 6.3 Products of epistemic logics with Km 6.4 Products of temporal logics with Km 6.5 Products with S5 6.6 Products with multimodal S5 7 Undecidable products 7.1 Products of linear orders with infinite ascending chains 7.2 Products of linear orders with infinite descending chains 7.3 Products of Dedekind complete linear orders 7.4 Products of finite linear orders 7.5 More undecidable products 8 Higher-dimensional products 8.1 S5 x S5 x ... x S5 8.2 Products between K4 x K4 x ... x K4 and S5 x S5 x ... x S5 8.3 Products with the fmp 8.4 Between K x K x ... x K and S5 x S5 x ... x S5 8.5 Finitely axiomatizable and decidable products 9 Variations on products 9.1 Relativized products 9.2 Valuation restrictions 10 Intuitionistic modal logics 10.1 Intuitionistic modal logics with Box 10.2 Intuitionistic modal logics with Box and Diamond 10.3 The finite model property III First-order modal logics 11 Fragments of first-order temporal logics 11.1 Undecidable fragments 11.2 Monodic formulas, decidable fragments 11.3 Embedding into monadic second-order theories 11.4 Complexity of decidable fragments of QLogSU(N) 11.5 Satisfiability in models over (N,<) with finite domains 11.6 Satisfiability in models over (R,<) with finite domains 11.7 Axiomatizing monodic fragments 11.8 Monodicity and equality 12 Fragments of first-order dynamic and epistemic logics 12.1 Decision problems 12.2 Axiomatizing monodic fragments IV Applications to knowledge representation 13 Temporal epistemic logics 13.1 Synchronous systems 13.2 Agents who know the time and neither forget nor learn 14 Modal description logics 14.1 Concept satisfiability 14.2 General formula satisfiability 14.3 Restricted formula satisfiability 14.4 Satisfiability in models with finite domains 15 Tableaux for modal description logics 15.1 Tableaux for ALC 15.2 Tableaux for K(ALC) with constant domains 15.3 Adding expressive power to K(ALC) 16 Spatio-temporal logics 16.1 Modal formalisms for spatio-temporal reasoning 16.2 Embedding spatio-temporal logics in first-order temporal logic 16.3 Complexity of spatio-temporal logics 16.4 Models based on Euclidean spaces Epilogue. Bibliography. List of tables. List of languages and logics. Symbol index. Subject index.


Dov M. Gabbay is Augustus De Morgan Professor Emeritus of Logic at the Group of Logic, Language and Computation, Department of Computer Science, King's College London. He has authored over four hundred and fifty research papers and over thirty research monographs. He is editor of several international Journals, and many reference works and Handbooks of Logic.


"This book will be a valuable reference for the modal logic researcher. It can serve as a brief but useful introduction (...) for the suitably qualified newcomer. And it contributes a careful and rewarding comprehensive account of some of the latest foundational results in the area of combining modal logics." Mark Reynolds, The University of Western Australia. Studia Logica, 2004.
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