Part I is entirely devoted to current issues in the philosophy of language, logic and science. The burden of the Introduction is to familiarise ourselves with the strengths and weaknesses of scientific realism and scientific anti-realism, and to show that a synthesis of realist and anti-realist tendencies is desirable. Chapters Two and Three deal with a challenge stemming from semantic anti-realists concerning the proper understanding of the nature of truth. The remainder of Part I is devoted to the problem of demarcation. In Chapter 6, which deals with Quine's thesis concerning the indeterminacy of radical translation, I offer a method of distinguishing areas of discourse capable of bearing a realist interpretation from those demanding tre...