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The Principal Principle and subjective Bayesianism

Wallmann, Christian, Williamson, Jon (2020) The Principal Principle and subjective Bayesianism. European Journal for the Philosophy of Science, 10 (1). ISSN 1879-4920. (doi:10.1007/s13194-019-0266-4)

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Abstract

This paper poses a problem for Lewis’ Principal Principle in a subjective Bayesian framework: we show that, where chances inform degrees of belief, subjective Bayesianism fails to validate normal informal standards of what is reasonable. This problem points to a tension between the Principal Principle and the claim that conditional degrees of belief are conditional probabilities. However, one version of objective Bayesianism has a straightforward resolution to this problem, because it avoids this latter claim. The problem, then, offers some support to this version of objective Bayesianism.

Item Type: Article
DOI/Identification number: 10.1007/s13194-019-0266-4
Uncontrolled keywords: Bayesianism, Principal principle, Subjective Bayesianism, Objective Bayesianism, Pooling
Subjects: B Philosophy. Psychology. Religion > B Philosophy (General)
B Philosophy. Psychology. Religion > BC Logic
Q Science > QA Mathematics (inc Computing science) > QA273 Probabilities
Divisions: Faculties > Humanities > School of European Culture and Languages > Philosophy
Depositing User: Jon Williamson
Date Deposited: 28 Nov 2019 09:41 UTC
Last Modified: 12 Dec 2019 10:54 UTC
Resource URI: https://kar.kent.ac.uk/id/eprint/79008 (The current URI for this page, for reference purposes)
Williamson, Jon: https://orcid.org/0000-0003-0514-4209
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