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Does ‘Ought’ Imply ‘Can’ from an Epistemic Point of View?

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Abstract

In this paper, I argue that the “Ought Implies Can” (OIC) principle, as it is employed in epistemology, particularly in the literature on epistemic norms, is open to counterexamples. I present a counterexample to OIC and discuss several objections to it. If this counterexample works, then it shows that it is possible that S ought to believe that p, even though S cannot believe that p. If this is correct, then OIC, considered from an epistemic point of view, is false, since it is supposed to hold for any S and any p.

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Notes

  1. For an overview of different formulations of (OIC), see Mizrahi (2009).

  2. Cf. Podlaskowski (2010) on doxastic ‘oughts’.

  3. See also Chrisman (2008), Feldman (2000), and Kornblith (2001). Cf. Neta (forthcoming).

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Acknowledgments

I would like to thank three reviewers of Philosophia for helpful comments on an earlier draft.

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Correspondence to Moti Mizrahi.

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Mizrahi, M. Does ‘Ought’ Imply ‘Can’ from an Epistemic Point of View?. Philosophia 40, 829–840 (2012). https://doi.org/10.1007/s11406-012-9389-y

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  • DOI: https://doi.org/10.1007/s11406-012-9389-y

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