Luke Elson (Reading): “Indeterminacy and Permissibility”

Abstract:I defend a decision theory for action under indeterminacy: we ought to maximise an analogue of expected value. I argue that this decision theory renders the right result in the standard puzzling cases of action under indeterminacy, and allows indeterminism about vagueness to capture the decision-theoretic advantages of epistemicism. A surprising upshot of the view is that it is sometimes permissible and required to choose an option that is determinately less than the best