Epistemic theories of objective chance.

Epistemic theories of objective chance hold that chances are idealised epistemic probabilities of some sort. After giving a brief history of this approach to objective chance, I argue for a particular version of this view, that the chance of an event E is its epistemic probability, given maximal kno...

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Publicado en:Synthese Vol. 197; no. 2; pp. 703 - 731
Autor principal: Johns, Richard
Formato: Artículo
Publicado: Springer Nature Feb2020
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Acceso en línea:Ver este registro en EBSCOhost
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        affil: Department of Philosophy, Langara College, 100 West 49th Avenue, V5Y 2Z6, Vancouver, BC, Canada
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        Probability theory
        Virtues
        Puzzles
        Argument
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          Probability theory
          Virtues
          Puzzles
          Argument
      keyword:
        Causation
        Chance
        Epistemic probability
        Laws of nature
        Symmetry
      ab: Epistemic theories of objective chance hold that chances are idealised epistemic probabilities of some sort. After giving a brief history of this approach to objective chance, I argue for a particular version of this view, that the chance of an event E is its epistemic probability, given maximal knowledge of the possible causes of E. The main argument for this view is the demonstration that it entails all of the commonly-accepted properties of chance. For example, this analysis entails that chances supervene on the physical facts, that the chance function is an expert probability, that the existence of stable frequencies results from invariant chances in repeated experiments, and that chances are probably close to long-run relative frequencies in repeated experiments. Despite these virtues, epistemic approaches to chance have been neglected in recent decades, on account of their conflict with accepted views about closely related topics such as causation, laws of nature, and epistemic probability. However, existing views on these topics are also very problematic, and I believe that the epistemic view of chance is a key piece of this puzzle that, once in place, allows all the other pieces to fit together into a new and coherent way. I also respond to some criticisms of the epistemic theory that I favour.
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