Self-Locating Priors and Cosmological Measures

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Arntzenius, Frank; Dorr, Cian
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preprint description
We develop a Bayesian framework for thinking about the way evidence about the here and now can bear on hypotheses about the qualitative character of the world as a whole, including hypotheses according to which the total population of the world is infinite. We show how this framework makes sense of the practice cosmologists have recently adopted in their reasoning about such hypotheses.