Decisions without sharp probabilities
Adam Elga [Elga 2010] argues that no principle of rationality leads from unsharp probabilities to decisions. He concludes that a perfectly rational agent does not have unsharp probabilities. This paper defends unsharp probabilities. It shows how unsharp probabilities may ground rational decisions.
Weirich, P. (2015). Decisions without sharp probabilities. Philosophia Scientiae 19 (1), pp. 213-225.
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