Russ Shafer-Landau

Oxford Studies in Metaethics is the only periodical publication devoted exclusively to original philosophical work on the foundations of ethics. It provides an annual selection of much of the best new scholarship in the field. Its broad purview includes work at the intersections of ethical theory with metaphysics, epistemology, philosophy of language, and philosophy of mind. OSME provides an excellent basis for understanding recent developments in the field; those who would like to acquaint themselves with the current state of play in metaethics would do well to start here.

There are striking parallels, largely unexplored in the literature, between skeptical arguments against theism and against moral realism. After sketching four arguments meant to do this double duty, I restrict my attention to an explanatory argument that claims that we have most reason to deny the existence of moral facts (and so, by extrapolation, theistic ones), because such putative facts have no causal-explanatory power. I reject the proposed parity, and offer reasons to think that the potential vulnerabilities of moral realism on this front are quite different from those of the theist. Key Words: causal power • explanatory power • Gilbert Harman • moral facts • moral realism • theism.