Discussion of moral explanation has reached an impasse, with proponents of contemporary ethical naturalism upholding the explanatory integrity of moral facts and properties, and opponents--including both antirealists and non-naturalistic realists--insisting that such robustly explanatory pretensions as moral theory has be explained away. I propose that the key to solving the problem lies in the question whether instances of moral properties are causally efficacious. It is argued that, given the truth of contemporary ethical naturalism, moral properties are causally efficacious if the (...) properties of the special sciences are. (shrink)

The last twenty-five years of published literature and curriculum development in bioethics suggest that the field enjoys a successful and stable marriage to philosophical ethical theory. However, the next twenty-five years could be very different. I believe the marriage is troubled. Divorce is conceivable and perhaps likely. The most philosophical parts of bioethics may retreat to philosophy departments, while bioethics continues on its current course toward a more interdisciplinary and practical field.I make no presumption that bioethics is integrally linked to (...) philosophical ethical theory. Indeed, I assume that the connection is contingent and fragile. Many individuals in law, theological ethics, political theory, the social and behavioral sciences, and the health professions carefully address mainstream issues of bioethics without finding ethical theory essential or breathtakingly attractive. This is not surprising. Moral philosophers have traditionally formulated theories of the right, the good, and the virtuous in the most general terms. (shrink)

I argue that, all else being equal, theism is more probable than naturalism on the assumption that human beings are able to arrive at a body of moral knowledge that is largely accurate and complete. I put forth this thesis on grounds that, if naturalism is true, the explanation of the content of our moral intuitions terminates either in biological-evolutionary processes or in social conventions adopted for pragmatic reasons; that, if this is so, our moral intuitions were selected for their (...) utility, not their truth; and that, if our moral intuitions were so selected, they are probably false. I defend the argument against three objections: first, that the argument amounts to a generic skeptical challenge; second, that ethical naturalism explains how our moral intuitions could have been selected for their truth; and third, that there is a pre-established harmony between the utility of moral beliefs and their truth-values. (shrink)

No one doubts that mental states can be wide. Why should this seem to prevent them from causing behavior? Tim points to an "internalist line of thought".