These thirteen original essays, whose authors include some of the world's leading philosophers, examine themes from the work of the Cambridge philosopher G. E. Moore (1873-1958), and demonstrate his considerable continuing influence on philosophical debate. Part I bears on epistemological topics, such as skepticism about the external world, the significance of common sense, and theories of perception. Part II is devoted to themes in ethics, such as Moore's open question argument, his non-naturalism, utilitarianism, and his notion of organic unities.

Ethical naturalism is narrowly construed as the doctrine that there are moral properties and facts, at least some of which are natural properties and facts. Perhaps owing to its having faced, early on, intuitively forceful objections by eliminativists and non-naturalists, ethical naturalism has only recently become a central player in the debates about the status of moral properties and facts which have occupied philosophers over the last century. It has now become a driving force in those debates, one with sufficient resources to challenge not only eliminativism, especially in its various...