This volume is a revised, enlarged, and broadened version of Gert's classic 1970 book, The Moral Rules. Advocating an approach he terms "morality as impartial rationality," Gert here presents a full discussion of his moral theory, adding a wealth of new illuminating detail to his analysis of the concepts--rationality/irrationality, good/evil, and impartiality--by which he defines morality. He constructs a "moral system" that includes rules prohibiting...