1. C. L. Stevenson, Ethics and Language. Yale University Press, New Haven, 1944, pp. 30/31, 113, 114-115, 133-135, 152 n. 2. I have discussed some aspects of Stevenson’s treatment in ‘Fact, Value, and Norm in Stevenson’s Ethics’, Nous, 1, 2, May, 1967.
2. R.B. Brandt, Ethical Theory. Prentice-Hall, Inc., Englewood Cliffs, 1959. Esp. chapter 10. See also his ‘Toward a Credible Form of Utilitarianism’ in Hector-Neri Castañeda and George Nakhnikian, Morality and the Language of Conduct. Wayne State University Press, Detroit, 1959, and his’ some Merits of One Form of Rule Utilitarianism’, in the University of Colorado Studies Series in Philosophy, No. 3; also, Richard Brandt, ‘Rationality, Egoism, and Morality’, The Journal of Philosophy, LXIX, 20, Nov. 9,1972.
3. William K. Frankena, ‘Obligation and Motivation in Recent Moral Philosophy’ in A. I. Melden, Essays in Moral Philosophy. University of Washington Press, Seattle, 1958. See also his ‘Recent Conceptions of Morality’ in Hector-Neri Castañeda and George Nakhnikian, Morality and the Language of Conduct. Wayne State University Press, Detroit, 1963, and his ‘Mclntyre on defining Morality’ and ‘The Concept of Morality’ both reprinted in G. Wallace and A. D. M. Walker, ed., The Definition of Morality. Methuen & Co., Ltd., London, 1970.
4. For their views are too well known for me simply to summarize them and I am too much in sympathy with them to wish to attack them.
5. Mind, XXI, 81, Jan., 1912, reprinted in H. A. Prichard, Moral Obligation. Oxford University Press, Oxford, 1968, pp. 1–17.