Agenda Relevance: A Study in Formal Pragmatics

Agenda Relevance: A Study in Formal Pragmatics, 1st Edition

Agenda Relevance: A Study in Formal Pragmatics, 1st Edition,Dov M. Gabbay,John Woods,ISBN9780444513854

Gabbay   &   Woods   

North Holland




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Agenda Relevance is the first volume in the authors' omnibus investigation of
the logic of practical reasoning, under the collective title, A Practical Logic
of Cognitive Systems. In this highly original approach, practical reasoning is
identified as reasoning performed with comparatively few cognitive assets,
including resources such as information, time and computational capacity. Unlike
what is proposed in optimization models of human cognition, a practical reasoner
lacks perfect information, boundless time and unconstrained access to
computational complexity. The practical reasoner is therefore obliged to be a
cognitive economizer and to achieve his cognitive ends with considerable
efficiency. Accordingly, the practical reasoner avails himself of various
scarce-resource compensation strategies. He also possesses neurocognitive
traits that abet him in his reasoning tasks. Prominent among these is the
practical agent's striking (though not perfect) adeptness at evading irrelevant
information and staying on task. On the approach taken here, irrelevancies are
impediments to the attainment of cognitive ends. Thus, in its most basic sense,
relevant information is cognitively helpful information. Information can then be
said to be relevant for a practical reasoner to the extent that it advances or
closes some cognitive agenda of his. The book explores this idea with a
conceptual detail and nuance not seen the standard semantic, probabilistic and
pragmatic approaches to relevance; but wherever possible, the authors seek to
integrate alternative conceptions rather than reject them outright. A further
attraction of the agenda-relevance approach is the extent to which its principal
conceptual findings lend themselves to technically sophisticated re-expression
in formal models that marshal the resources of time and action logics and
label led deductive systems.

Agenda Relevance is necessary reading for researchers in logic, belief
dynamics, computer science, AI, psychology and neuroscience, linguistics,
argumentation theory, and legal reasoning and forensic science, and will repay
study by graduate students and senior undergraduates in these same fields.

Key features:

• relevance

• action and agendas

• practical reasoning

• belief dynamics

• non-classical logics

• labelled deductive systems

Dov M. Gabbay

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.

Affiliations and Expertise

King's College London, UK

View additional works by Dov M. Gabbay

John Woods

Affiliations and Expertise

University of British Columbia, Vancouver, Canada

View additional works by John Woods

Agenda Relevance: A Study in Formal Pragmatics, 1st Edition


I. Logic.

1. Introduction

2. Practical Logic

2.1 PLCS and Cognitive Systems

2.2 Practical Reasoning

2.3 Practical Agency

2.4 Practical Logics

2.4.1 The Method of Intuitions

2.5 Allied Disciplines

2.6 Psychologism

2.6.1 Issues in Cognitive Science

3. Logical Agents

3.1 Heuristics and Limitations

3.2 Three Problems

3.2.1 The Complexity Problem

3.2.2 The Approximation Problem

3.2.3 The Consequence Problem

3.2.4 Truth Conditions, Rules and State Conditions

3.2.5 Rules Redux

3.2.6 Logics for Down Below

4. Formal Pragmatics

4.1 Pragmatics

4.2 Theoretical Recalcitrance

4.3 Analysis

II. Conceptual Models for Relevance

5. Propositional Relevance

5.1 Introductory Remark

5.2 Propositional Relevance

5.3 Legal Relevance

5.4 Topical Relevance

5.5 Topical Relevance and Computation

5.6 Targets for a Theory of Relevance

5.7 Freeman and Cohen

5.7.1 Freeman

5.7.2 Cohen

6. Contextual Effects

6.1 Introductory Remarks

6.2 Contextual Effects

6.3 In The Head

6.4 Inconsistency Management

6.4.1 Bounded Rationality

6.5 Is Inconsistency Pervasive?

6.5.1 A Case in Point: Mechanizing Cognition

6.6 Further Difficulties

6.7 Reclaiming SW-Relevance?

6.8 The Grice Condition

6.8.1 Relevance To and For

7. Agenda Relevance

7.1 Adequacy Conditions

7.2 The Basic Idea

7.2.1 Causality

7.3 Belief

7.4 Corroboration

7.5 Probability

7.6 Agendas: A First Pass

7.7 Cognitive Agency

7.8 Propositional Relevance Revisited

8. Agendas

8.1 Plans

8.2 Representation

8.3 Agendas Again

8.3.1 Agendas: Transparent and Tacit

8.4 MEM and KARO-agendas

8.4.1 MEM Agendas

8.5 A Formal Interlude

9. Adequacy Conditions Fulfilled?

9.1 Subjective Relevance

9.2 Meta-agendas

9.3 Comparative Relevance

9.4 Hyper-relevance

9.5 Hunches

9.6 Misinformation

9.7 Dialectical Relevance

9.7.1 Fallacies of Relevance

9.8 Semantic Distribution

9.9 Relevant Logic, Pittsburgh Style

9.10 Revision and Update

9.11 The Relevant Thing

10. Objective Relevance

10.1 Normative Theories

10.2 Relevance Naturalized?

10.2.1 Reflective Equilibrium

10.3 Objective Relevance

10.4 Modularity

10.5 Inference

10.6 Reconsidering Normative Relevance

10.7 Schizophrenia

10.8 Reprise

III. Formal Models for Relevance

11. A Logic for Agenda Relevance

11.1 Conceptual Analysis

11.1.1 Complexity, Approximation and Consequence

11.2 Formalization

11.3 Overview of the Model

11.4 How to Proceed

11.4.1 Bidirectional Coverage and Fit

12. A General Theory of Logical Systems

12.1 Introduction

12.2 Logical Systems

12.3 Examples of Logical Systems

12.4 Refining the Notion of a Logical System

12.4.1 Structured Consequence

12.4.2 Algorithmic Structured Consequence Relation

12.4.3 Mechanisms

12.4.4 Modes of Evaluation

12.4.5 TAR-Logics (Time, Action and Revision)

13. Labelled Deductive Systems

13.1 Introduction

13.2 Labelled Deduction

13.2.1 Labelled Deduction Rules

13.2.2 Non-classical Use of Labels

13.2.3 The Theory of Labelled Deductive Systems

13.2.4 Hunches and Guesses

13.2.5 Contextual Effects

14. Relevance Logics

14.1 Introduction

14.2 Anderson--Belnap Relevant Logic

14.3 Formulation of AB Relevance

14.4 Properties of the Goal Directed Formulation

14.5 Deductive Relevance

14.6 The Cut Rule for Deductive Relevance

15. Formal Model of Agenda Relevance

15.1 Introduction

15.2 The Simple Agenda Model

15.3 Intermediate Agenda Model

15.4 Case Studies

16. Conclusion

16.1 Introduction

16.2 Quantification

16.3 Some Tail Ends



Quotes and reviews

"This is the first jewel in a new and ambitious series."

Branislav Boricic (Belgrade). Mathematical Reviews, 2004.

"...not only a ground-breaking study in the logic of practical reasoning, it is first-rate philosophy as well."
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