Sinnott-Armstrong here provides an extensive survey of the difficult subject of moral beliefs. He covers theories that grapple with questions of morality such as naturalism, normativism, intuitionism, and coherentism. He then defends his own theory that he calls "moderate moral...
All contentious moral issues--from gay marriage to abortion and affirmative action--raise difficult questions about the justification of moral beliefs. How can we be justified in holding on to our own moral beliefs while recognizing that other intelligent people feel quite differently...