Lopez-Wild, Josiah (2024) Computable Bayesian Epistemology. [Preprint]
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Abstract
Bayesian epistemology is broadly concerned with providing norms for rational belief and learning using the mathematics of probability theory. But many authors have worried that the theory is too idealized to accurately describe real agents. In this paper I argue that Bayesian epistemology can describe more realistic agents while retaining sufficient generality by introducing ideas from a branch of mathematics called computable analysis. I call this program computable Bayesian epistemology. I situate this program by contrasting it with an ongoing debate about ideal versus bounded rationality. I then present foundational ideas from computable analysis and demonstrate their usefulness by proving the main result: on countably generated spaces there are no computable, finitely additive probability measures. On this basis I argue that bounded agents cannot have finitely additive credences, and so countable additivity is the appropriate norm of rationality. I conclude by discussing prospects for this research program.
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Item Type: | Preprint | ||||||
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Keywords: | Bayesian epistemology, computability, computable analysis, probability theory, finite additivity | ||||||
Subjects: | Specific Sciences > Computation/Information General Issues > Decision Theory Specific Sciences > Probability/Statistics |
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Depositing User: | Mr. Josiah Lopez-Wild | ||||||
Date Deposited: | 02 Sep 2024 12:27 | ||||||
Last Modified: | 02 Sep 2024 12:27 | ||||||
Item ID: | 23862 | ||||||
Subjects: | Specific Sciences > Computation/Information General Issues > Decision Theory Specific Sciences > Probability/Statistics |
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Date: | 2024 | ||||||
URI: | https://philsci-archive.pitt.edu/id/eprint/23862 |
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