Argumenta – Journal of Analytic Philosophy

In this note, I am critical of some aspects of David Lewis’s resolution of the Grandfather Paradox. In particular, I argue that Lewis gives the wrong explanation of Tim’s inability to kill Grandfather, and that the correct explanation makes essential reference to the self-undermining character of Tim’s grampicide.

A traditional tenet of virtue ethics is that a proper moral assessment of an action needs to be informed by a view of the agent; in particular, a view of their virtues or vices, as exhibited in their action. This picture has been challenged on the grounds that it is revisionary and ill-motivated. The key claim is that we are ordinarily disposed to judge the moral merits of particular actions independently of any view of the character of the agent, and that there is nothing wrong with that practice. In this paper, we identify…