Neither Sharp nor Stupid: Unsharpness and Compound Actions

Neither Sharp nor Stupid: Unsharpness and Compound Actions

‘Unsharp’ preferences and degrees of belief seem to be rationally required or at least permissible. And yet they quickly lead to a diachronic puzzle. In this paper I will defend a solution to this puzzle, in terms of compound actions: if some action X would be impermissible to complete synchronically, then it is impermissible to complete a diachronic sequence of actions that amounts to X.

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