Lotteries, Possible Worlds, and Probability

Erkenntnis 87 (5):2097-2118 (2022)
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Abstract

A necessary criterion of Duncan Pritchard’s Anti-luck Virtue Epistemology is his safety condition. A believer cannot know p unless her belief is safe. Her belief is safe only if p could not have easily been false. But “easily” is not to be understood probabilistically. The chance that p is false might be extremely low and yet p remains unsafe. This is what happens, Pritchard argues, in lottery examples and explains why knowledge is not a function of the probabilistic strength of one’s evidence. This paper argues that, contra Pritchard, modality holds no epistemic advantage over this type of “probabilistic evidentialism” that he criticizes. I begin with a review of Pritchard’s argument supporting modality over probability; second, I explain the problems with this argument, and third, I offer an alternative explanation of the lottery example. At the completion of the paper, modality and probability are on equal epistemic footing.

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Maura Priest
Arizona State University

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References found in this work

Anti-Luck Virtue Epistemology.Duncan Pritchard - 2012 - Journal of Philosophy 109 (3):247-279.
The myth of conventional implicature.Kent Bach - 1999 - Linguistics and Philosophy 22 (4):327-366.
Safety-Based Epistemology: Wither Now?Duncan Pritchard - 2009 - Journal of Philosophical Research 34:33-45.
Skepticism and Contextualism.Ernest Sosa - 2000 - Noûs 34 (s1):1-18.

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