A Practical Logic of Cognitive Systems: The Reach of Abduction: Insight and Trial

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Juni 2005



The present work is a continuation of the authors' acclaimed multi-volume APractical Logic of Cognitive Systems. After having investigated the notion ofrelevance in their previous volume, Gabbay and Woods now turn to abduction. Inthis highly original approach, abduction is construed as ignorance-preservinginference, in which conjecture plays a pivotal role. Abduction is a response to acognitive target that cannot be hit on the basis of what the agent currently knows.The abducer selects a hypothesis which were it true would enable the reasoner to attain his target. He concludes from this fact that the hypothesis may be conjectured. In allowing conjecture to stand in for the knowledge he fails to have, the abducer reveals himself to be a satisficer, since an abductive solution is not a solution from knowledge. Key to the authors' analysis is the requirement that a conjectured proposition is not just what a reasoner might allow himself to assume, but a proposition he must defeasibly release as a premiss for further inferences in the domain of enquiry in which the original abduction problem has arisen. The coverage of the book is extensive, from the philosophy of science tocomputer science and AI, from diagnostics to the law, from historical explanation to linguistic interpretation. One of the volume's strongest contributions is its exploration of the abductive character of criminal trials, with special attention given to the standard of proof beyond a reasonable doubt. Underlying their analysis of abductive reasoning is the authors' conception ofpractical agency. In this approach, practical agency is dominantly a matter of thecomparativemodesty of an agent's cognitive agendas, together with comparatively scant resources available for their advancement. Seen in these ways, abduction has a significantly practical character, precisely because it is a form of inference that satisfices rather than maximizes its r


Acknowledgements. Preface. A Practical Logic of Cognitive Systems 1. Introduction 2. Practical Logic Conceptual Models of Abduction 3. The Structure of Abduction 4. Explanationist Abduction 5. Non-Plausibilistic Abduction 6. Diagnostic Abduction in AI 7. The Characteristic and the Plausible 8. Relevance and Analogy 9. Interpretation Abduction Formal Models of Abduction 10. A Glimpse of Formality 11. A General Theory of Logical Systems 12. A Base Logic 13. An Abductive Mechanism for the Base Logic Bibliography. 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 starts with a philosophical analysis of abduction, overviews the previously proposed approaches, and explains the state-of-the-art and algorithms for formalizing abduction." -Olga M. Kosheleva, in MATHEMATICAL REVIEWS
EAN: 9780444517913
ISBN: 044451791X
Untertitel: Sprache: Englisch.
Erscheinungsdatum: Juni 2005
Seitenanzahl: 496 Seiten
Format: gebunden
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