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Agustin Rayo
Massachusetts Institute of Technology
  1. Fragmentation and logical omniscience.Adam Elga & Agustín Rayo - 2022 - Noûs 56 (3):716-741.
    It would be good to have a Bayesian decision theory that assesses our decisions and thinking according to everyday standards of rationality — standards that do not require logical omniscience (Garber 1983, Hacking 1967). To that end we develop a “fragmented” decision theory in which a single state of mind is represented by a family of credence functions, each associated with a distinct choice condition (Lewis 1982, Stalnaker 1984). The theory imposes a local coherence assumption guaranteeing that as an agent's (...)
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  2. Fragmentation and information access.Adam Elga & Agustin Rayo - forthcoming - In Cristina Borgoni, Dirk Kindermann & Andrea Onofri (eds.), The Fragmented Mind. Oxford University Press.
    In order to predict and explain behavior, one cannot specify the mental state of an agent merely by saying what information she possesses. Instead one must specify what information is available to an agent relative to various purposes. Specifying mental states in this way allows us to accommodate cases of imperfect recall, cognitive accomplishments involved in logical deduction, the mental states of confused or fragmented subjects, and the difference between propositional knowledge and know-how .
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    Supplementary Document to "Why I am not an Absolutist (Or a First-Orderist)".Agustin Rayo - manuscript
    This is a supplementary document to my "Why I am not an Absolutist (Or a First-Orderist)", which is forthcoming in a volume on higher-order logic edited by Peter Fritz and Nick Jones.
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