•  466
    Desire-Based Theories of Reasons, Pleasure and Welfare
    Oxford Studies in Metaethics 6 79-106. 2011.
    One of the most important disputes in the foundations of ethics concerns the source of practical reasons. On the desire-based view, only one’s desires provide one with reasons to act. On the value-based view, reasons are instead provided by the objective evaluative facts, and never by our desires. Similarly, there are desire-based and non-desired-based theories about two other phenomena: pleasure and welfare. It has been argued, and is natural to think, that holding a desire-based theory about e…Read more
  •  927
    Reductionism in Ethics
    In Hugh LaFollette (ed.), The International Encyclopedia of Ethics, Blackwell. 2013.
    An encyclopedia entry on the issue of whether morality is reducible -- that is, whether moral facts are identical to facts that can be expressed in non-moral terms.
  •  215
    The significance of personal identity to abortion
    Bioethics 25 (4): 230-232. 2010.
    In "The Insignificance of Personal Identity to Bioethics," David Shoemaker argues that, contrary to common opinion, considerations of personal identity have no relevance to certain important debates in bioethics. My aim is to show that Shoemaker is mistaken concerning the relevance of personal identity to the abortion debate -– in particular, to Don Marquis’ well-known anti-abortion argument.
  •  98
    On What Will Be: Reply to Westphal
    Erkenntnis 67 (1): 137-142. 2007.
    Jonathan Westphal's recent paper attempts to reconcile the view that propositions about the future can be true or false now with the idea that the future cannot now be real. I attempt to show that Westphal's proposal is either unoriginal or unsatisfying. It is unoriginal if it is just the well-known eternalist solution. It is unsatisfying if it is instead making use of a peculiar, tensed truthmaking principle.