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Liberty and welfareIn Amartya Kumar Sen & Bernard Arthur Owen Williams (eds.), Utilitarianism and Beyond, Cambridge University Press. 1982.
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3According to the approach made famous by Alchourrón, Gärdenfors and Makinson (1985), revision is a transformation K*h of a potential belief state K by adding h yielding another potential belief state.1 This AGM revision transformation is a composition of two other transformations: contraction and expansion. K*h = [K-~h]+h. This is the expansion by adding h of the contraction K-~h of K by removing ~h.
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14The Second Worst in Practical ConflictIn Peter Baumann & Monika Betzler (eds.), Practical Conflicts: New Philosophical Essays, Cambridge University Press. pp. 159. 2004.
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62The Covenant of Reason: Rationality and the Commitments of ThoughtCambridge University Press. 1997.Isaac Levi is one of the preeminent philosophers in the areas of pragmatic rationality and epistemology. This collection of essays constitutes an important presentation of his original and influential ideas about rational choice and belief. A wide range of topics is covered, including consequentialism and sequential choice, consensus, voluntarism of belief, and the tolerance of the opinions of others. The essays elaborate on the idea that principles of rationality are norms that regulate the coh…Read more
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Induction and the Aims of InquiryIn Ernest Nagel, Sidney Morgenbesser, Patrick Suppes & Morton White (eds.), Philosophy, science, and method, St. Martin's Press. pp. 99. 1969.
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14Symposium on “Cognition and Rationality: Part I” Minimal rationality (review)Mind and Society 5 (2): 199-211. 2006.An argument is advanced to show why E-admissibility should be preferred over maximality as a principle of rational choice where rationality is understood as minimal rationality. Consideration is given to the distinction between second best and second worst options in three way choice that is ignored according to maximality. It is shown why the behavior exhibited in addressing the problems posed by Allais (Econometrica 21:503–546, 1952) and by Ellsberg (Q Econ 75:643–669, 1961) do not violate the…Read more
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10Pragmatism and inquiry: selected essaysOxford University Press. 2012.This volume presents a series of essays which investigate the nature of intellectual inquiry: what its aims are and how it operates. The startingpoint is the work of the American pragmatists C.S. Peirce and John Dewey. Inquiry according to Peirce is a struggle to replace doubt by true belief. Dewey insisted that the transformation was from an indeterminate situation to a determinate or non-problematic one. So Isaac Levi's subject is changes in doxastic commitments, which may involve changes in a…Read more
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39Should Bayesians sometimes neglect base rates?Behavioral and Brain Sciences 4 (3): 342-343. 1981.
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14Contraction: On the Decision-Theoretical Origins of Minimal Change and EntrenchmentSynthese 152 (1). 2006.We present a decision-theoretically motivated notion of contraction which, we claim, encodes the principles of minimal change and entrenchment. Contraction is seen as an operation whose goal is to minimize loses of informational value. The operation is also compatible with the principle that in contracting A one should preserve the sentences better entrenched than A (when the belief set contains A). Even when the principle of minimal change and the latter motivation for entrenchment figure pro…Read more
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5Obligation and permission when there is a second best and when there is a second worstAnálisis Filosófico 26 (2): 356-372. 2006.A comparison is made between the criterion of choice of E-admissibility I proposed in Levi, 1974 and elaborated in Levi, 1980 and 1986, and the ideas about norms elaborated by Alchourrón and Bulygin with an emphasis on the fact that choice cannot always be evaluated in terms of binary comparisons as the distinction between second worst and not second worst illustrates. Se establece una comparación entre el criterio de E-admisibilidad propuesto en Levi,1974 y elaborado en Levi,1980 y 1986 y las i…Read more
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1Convexity and Separability in Representing ConsensusIn Kaushik Basu & Ravi Kanbur (eds.), Arguments for a Better World: Essays in Honor of Amartya Sen: Volume I: Ethics, Welfare, and Measurement and Volume Ii: Society, Institutions, and Development, Oxford University Press. 2008.
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42Rationality, prediction, and autonomous choiceCanadian Journal of Philosophy 23 (sup1): 339-363. 1993.
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1FeasibilityIn Cristina Bicchieri & Maria Luisa Dalla Chiara (eds.), Knowledge, Belief, and Strategic Interaction, Cambridge University Press. pp. 1--20. 1992.
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45Knowledge as True BeliefIn Erik J. Olson Sebastian Enqvist (ed.), Belief Revision meets Philosophy of Science, Springer. pp. 269--302. 2011.
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86The Fixation of Belief and its Undoing: Changing Beliefs Through InquiryCambridge University Press. 1991.Isaac Levi's new book is concerned with how one can justify changing one's beliefs. The discussion is deeply informed by the belief-doubt model advocated by C. S. Peirce and John Dewey, of which the book provides a substantial analysis. Professor Levi then addresses the conceptual framework of potential changes available to an inquirer. A structural approach to propositional attitudes is proposed, which rejects the conventional view that a propositional attitude involves a relation between an ag…Read more
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7IrrelevanceIn A. Hooker, J. J. Leach & E. F. McClennen (eds.), Foundations and Applications of Decision Theory: Vol.II: Epistemic and Social Applications, D. Reidel. pp. 263--273. 1978.
Isaac Levi
(1930 - 2018)
New York City, New York, United States of America
Areas of Interest
Epistemology |
Philosophy of Probability |
General Philosophy of Science |