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Hardcover | Out of Print | 162 pp. | 6 x 9 in | January 1986 | ISBN: 9780262081559
Paperback | $15.00 X | £11.50 | 162 pp. | 6 x 9 in | January 1988 | ISBN: 9780262580915
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Change in View

Principles of Reasoning


Change in View offers an entirely original approach to the philosophical study of reasoning by identifying principles of reasoning with principles for revising one's beliefs and intentions and not with principles of logic. This crucial observation leads to a number of important and interesting consequences that impinge on psychology and artificial intelligence as well as on various branches of philosophy, from epistemology to ethics and action theory.

About the Author

Gilbert Harman is Stuart Professor of Philosophy at Princeton University and the author of Explaining Value and Other Essays in Moral Philosophy and Reasoning, Meaning, and Mind.