We often say that actions like murder and institutions like slavery are morally wrong. And sometimes people strenuously disagree about the moral status of actions, as with abortion. But what, if anything, makes statements about morality true? Should we be realists about morality, or anti-realists?

We often say that actions like murder and institutions like slavery are morally wrong. And sometimes people strenuously disagree about the moral status of actions, as with abortion. But what, if anything, makes statements about morality true? Should we be realists about morality, or anti-realists?