A Modified Supervaluationist Framework for Decision-Making

Jonas KargeJonas Karge

ISSN: 2069-0533
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Jonas Karge
A Modified Supervaluationist Framework for Decision-Making
Logos & Episteme, 7(2):175-191, June 2021

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KurzfassungAbstract
How strongly an agent beliefs in a proposition can be represented by her degree of belief in that proposition. According to the orthodox Bayesian picture, an agent’s degree of belief is best represented by a single probability function. On an alternative account, an agent’s beliefs are modeled based on a set of probability functions, called imprecise probabilities. Recently, however, imprecise probabilities have come under attack. Adam Elga claims that there is no adequate account of the way they can be manifested in decision-making. In response to Elga, more elaborate accounts of the imprecise framework have been developed. One of them is based on supervaluationism, originally, a semantic approach to vague predicates. Still, Seamus Bradley shows that some of those accounts that solve Elga’s problem, have a more severe defect: they undermine a central motivation for introducing imprecise probabilities in the first place. In this paper, I modify the supervaluationist approach in such a way that it accounts for both Elga’s and Bradley’s challenges to the imprecise framework.
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Forschungsgruppe:Research Group: Computational LogicComputational Logic

@article{K2021,
  author    = {Jonas Karge},
  title     = {A Modified Supervaluationist Framework for Decision-Making},
  journal   = {Logos \& Episteme},
  volume    = {7},
  number    = {2},
  publisher = {Gheorghe Zane Institute for Economic and Social Research,
               Romanian Academy},
  year      = {2021},
  month     = {June},
  pages     = {175-191}
}