No Double-Halfer Embarrassment: A Reply to Titelbaum

Analytic Philosophy 64 (3):346-354 (2023)
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Abstract

“Double-halfers” think that throughout the Sleeping Beauty Scenario, Beauty ought to maintain a credence of 1/2 in the proposition that the fair coin toss governing the experimental protocol comes up heads. Titelbaum (2012) introduces a novel variation on the standard scenario, one involving an additional coin toss, and claims that the double-halfer is committed to the absurd and embarrassing result that Beauty’s credence in an indexical proposition concerning the outcome of a future fair coin toss is not 1/2. I argue that there is no reason to regard the credence required by the double-halfer as any less acceptable than the one deemed required by Titelbaum.

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Joel Pust
University of Delaware

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