Defends a form of ethical intuitionism, according to which there are objective moral truths; some that can be known through intuition; and whose knowledge gives... » 

Defends a form of ethical intuitionism, according to which there are objective moral truths; some that can be known through intuition; and whose knowledge gives us reasons for action independent of our desires. This book rebuts the objections to this theory, and shows that the other theories about the nature of ethics face grave difficulties. «