Accuracy and the Laws of Credence

2016.10.18 : View this Review Online | View Recent NDPR Reviews Richard Pettigrew, Accuracy and the Laws of Credence, Oxford University Press, 2016, 238pp., $74.00 (hbk), ISBN
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2016.10.18 : View this Review Online | View Recent NDPR Reviews Richard Pettigrew, Accuracy and the Laws of Credence, Oxford University Press, 2016, 238pp., $74.00 (hbk), ISBN 9780198732716. Reviewed by Kenny Easwaran, Texas A&M University After receiving a PhD in mathematics and publishing a few papers on the philosophy of mathematics, Richard Pettigrew co-authored a major two-part paper, "An Objective Justification of Bayesianism", with Hannes Leitgeb. This paper came out in 2010 and showed how the simple idea that belief aims at the truth could be used to systematically justify a large number of intuitively plausible principles for confidence, or degree of belief. That paper used some rather flat-footed assumptions about what it means for one's degrees of belief to be close to the truth (it took the space of possible degrees of belief to be measured as if it were physical space, with the Pythagorean theorem applied to probabilities) and about how to calculate. . .

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News source: Notre Dame Philosophical Reviews // News

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