 The authors thank James Beebe, Gunnar Björnsson, Wesley Buckwalter, Roxanne DesForges, John Doris, Gilbert Harman, Dan Haybron, Chris Heathwood, Antti Kauppinen, Daniel Kelly, Joshua Knobe, Clayton Littlejohn, Josh May, John Mikhail, Sven Nyholm, Brian Robinson, Chandra Sripada, Carissa Veliz, several anonymous referees, and the editors of this encyclopedia for helpful comments and suggestions.