1. Robert A.H. Larmer.Water into Wine? Kingstonand Montreal: McGill-Queen's University Press 1988. Chapter Two and passim. All parenthetical pagereferences are to this book.
2. Ibid., Chapter Five, passim.
3. The Harper Dictionary of Modern Thought,1977
4. L. Wittgenstein.Tractatus Logico-Philosophicus, Section 6.4311.
5. In writing this article I have benefited from helpful discussion with Dr. Larmer of earlier versions of it, including the commentary that he presented at the Annual Congress of the Canadian Philosophical Association in May, 1989.