1 Classical Sources .............9 From an Introduction to the Principles of Moral and Legislation ......11 From Utilitarianism............32 From Dr Whewell on Moral Philosophy.......64 From The methods of Ethics ..........67 From Principia Ethica..............89 2. Contemporary expressions........93 Consequetialism...............95 From the rejection of Consequentialism............108 From reason and Persons.....132 Alienation, Consequentialism, and Demands on Morality ..........160 Bayesian Decision theory and Utilitarian Ethics ..........197 Towards a Credible form of Utilitarianism .............207 Motive Utilitarianism........236 3. Contemporary discussion .............251 Classical Utilitarianism.........253 Utilitarianism and Welfarism..........259