Editorial Preface

Dov M. Gabbay

Introduction: Bridging the Gap between Multiple-valued Logics, Fuzzy Logic, Uncertain Reasoning and Reasoning about Knowledge

Didier Dubois

Henri Prade

Erich Peter Klement

Part I: Advances in Multiple-valued Logics

The Poincare Paradox and Non-classical Logics

Ulrich Hohle

Propositional Fuzzy Logics based on Frank t-norms: A comparison

Erich Peter Klement

Mirko Navara

A Resolution-based Axiomatisation of `Bold' Propositional Fuzzy Logic

Stephan Lehmke

How to Make Your Logic Fuzzy: Fibred Semantics and The Weaving of Logics

Dov M. Gabbay

Introducing Grade to Some Metalogical Notions

Mihir K. Chakraborty

Sanjukta Basu

Closure Operators, Fuzzy Logic and Constraints

Giangiacomo Gerla

Part II: Algebraic Aspects of Multiple-valued Logics

Ulam Game, the Logic of MaxSat, and Many-valued Partitions

Daniele Mundici

A Many-valued Generalisation of the Ultrapower Construction

Costas A. Drossos

Gabriel Filters and the Spectrum of an MV-Algebra

Panagis Karazeris

Conditional States in Finite-valued Logics

Antonio Di Nola

George Georgescu

Ada Lettieri

Conditioning on MV-algebras and Additive Measures---further results

Siegfried Weber

Part III: Advances in Approximate Reasoning

Toward Adequacy Conditions for Inference Schemata in Approximate Reasoning: The Case of the Rule of Syllogism

Siegfried Gottwald

Formal Theories in Fuzzy Logic

Vilem Novak

A Note on Fuzzy Inference as Deduction

Lluis Godo

Petr Hajek

The Role of Similarity in Fuzzy Reasoning

Frank Klawonn

T-indistinguishability Operators and Approximate Reasoning via CRI

Dionis Boixader

Joan Jacas

About Similarity-based Logical Systems

Francesco Esteva

Pere Garcia

Lluis Godo

On Similarity-based Fuzzy Clusterings

Helmut Thiele

Part IV: Reasoning about Information and Knowledge

Informational Representability: Abstract Models versus Concrete Models

Stephane Demri

Ewa Orlowska

From Possibilistic Information to Kleene's Strong Multi-valued Logics

Gert De Cooman

A Roadmap of Qualitative Independence

D. Dubois

L. Farinas del Cerro

A. Herzig

H. Prade

Truth Functionality and Measure-based Logics

Luca Boldrin

Claudio Sossai

Logic Programs with Context-dependent Preferences

Gerhard Brewka

An Overview of Inconsistency-tolerant Inferences in Prioritized Knowledge Bases

Salem Benferhat

Didier Dubois

Henri Prade

Index