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Everettian chance in no uncertain terms

Steeger, Jer and Read, James (2026) Everettian chance in no uncertain terms. [Preprint]

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Abstract

The current landscape of views on the role of chance in the Everett interpretation is rocky. Everettians (Wallace 2012, Sebens and Carroll 2018, McQueen and Vaidman 2019) agree that chance values should be derived using principles governing uncertain or partial belief, but cannot agree on how. Critics (Baker 2007, Dawid and Thébault 2015, Mandolesi 2019) maintain that any such approach is circular. We smooth the landscape by shifting focus from what Everettians take to be uncertain to what they should think is certain: namely, the conditions under which branches are isolated. Our approach to isolation resolves the main tensions among the different Everettian chance derivations while clarifying how they avoid circularity.

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Item Type: Preprint
Creators:
CreatorsEmailORCID
Steeger, Jerjsteeger@nd.edu0000-0003-2771-4145
Read, Jamesjames.read@philosophy.ox.ac.uk
Keywords: Everett interpretation, quantum mechanics, many worlds, probability, uncertainty, decision theory, symmetry, isolation
Subjects: Specific Sciences > Probability/Statistics
Specific Sciences > Physics > Quantum Mechanics
Depositing User: Dr. James Read
Date Deposited: 20 Feb 2026 16:00
Last Modified: 20 Feb 2026 16:00
Item ID: 28291
Subjects: Specific Sciences > Probability/Statistics
Specific Sciences > Physics > Quantum Mechanics
Date: 20 February 2026
URI: https://philsci-archive.pitt.edu/id/eprint/28291

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