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Ad Hocness, Accommodation and Consilience: A Bayesian Account

Wilcox, John (2023) Ad Hocness, Accommodation and Consilience: A Bayesian Account. [Preprint]

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Abstract

We all make judgments about what is true or false, probable or improbable. Scientists do so too. And in the process, we frequently appeal to concepts such as evidential support or explanation. Bayesian philosophers of science have given illuminating formal accounts of these concepts. This paper aims to follow in their footsteps, providing a novel formal account of various concepts: the likelihood-prior trade-off, successful accommodation of evidence, ad hocness, and, finally, consilience—sometimes also called “unification”. Using these accounts, I also provide a new Bayesian analysis of how someone such as Charles Darwin hypothetically could have reasoned in favor of evolution over special creationism. Lastly, I explore how these accounts relate to other topics and accounts in philosophy, and I chart out some areas for further research.


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Item Type: Preprint
Creators:
CreatorsEmailORCID
Wilcox, Johnwilcoxje@stanford.edu
Keywords: Bayesianism; ad hocness; consilience; unification; likelihood-prior trade-off
Subjects: Specific Sciences > Biology > Evolutionary Theory
General Issues > Confirmation/Induction
General Issues > Evidence
General Issues > Explanation
Specific Sciences > Probability/Statistics
General Issues > Science and Religion
Depositing User: Dr John Wilcox
Date Deposited: 06 Feb 2023 16:28
Last Modified: 06 Feb 2023 16:28
Item ID: 21611
Subjects: Specific Sciences > Biology > Evolutionary Theory
General Issues > Confirmation/Induction
General Issues > Evidence
General Issues > Explanation
Specific Sciences > Probability/Statistics
General Issues > Science and Religion
Date: 2 January 2023
URI: https://philsci-archive.pitt.edu/id/eprint/21611

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