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The kinematics of belief and desire

Bradley, Richard (2007) The kinematics of belief and desire. Synthese, 156 (3). pp. 513-535. ISSN 1573-0964

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Abstract

Richard Jeffrey regarded the version of Bayesian decision theory he floated in ‘The Logic of Decision’ and the idea of a probability kinematics—a generalisation of Bayesian conditioning to contexts in which the evidence is ‘uncertain’—as his two most important contributions to philosophy. This paper aims to connect them by developing kinematical models for the study of preference change and practical deliberation. Preference change is treated in a manner analogous to Jeffrey’s handling of belief change: not as mechanical outputs of combinations of intrinsic desires plus information, but as a matter of judgement and of making up one’s mind. In the first section Jeffrey’s probability kinematics is motivated and extended to the treatment of changes in conditional belief. In the second, analogous kinematical models are developed for preference change and in particular belief-induced change that depends on an invariance condition for conditional preference. The two are the brought together in the last section in a tentative model of pratical deliberation.

Item Type: Article
Official URL: http://www.springer.com/philosophy/philosophy+of+s...
Additional Information: © 2007 Springer-Verlag
Library of Congress subject classification: Q Science > Q Science (General)
Sets: Research centres and groups > Centre for Philosophy of Natural and Social Science (CPNSS)
Departments > Philosophy, Logic and Scientific Method
Rights: http://www.lse.ac.uk/library/usingTheLibrary/academicSupport/OA/depositYourResearch.aspx
Date Deposited: 27 Jan 2009 12:34
URL: http://eprints.lse.ac.uk/22211/

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