Abstract

In this chapter, we will investigate the ramifications of moral knowledge for naturalism (roughly, the view that all that exists is the natural world). Specifically, we will draw attention to a certain problem we face if the world is purely naturalistic. We will then show how theism provides resources for solving this problem. We’ll argue that the fact that we have lots of moral knowledge fi ts better with theism than with naturalism. Specifically, we’ll present reasons to think that (1) naturalists who think we have lots of moral knowledge will have trouble rationally maintaining both their naturalism and their belief that we have such knowledge and (2) theism better explains the fact that we have lots of moral knowledge than naturalism does.