Richard M. McDonough received his B.A., summa cum laude, major in philosophy, minors in mathematics and chemistry, from the University of Pittsburgh in 1971, and his Ph.D. in philosophy from Cornell University in 1975. The author of The Argument of the Tractatus (1986), he has published about forty articles and ten book reviews in philosophy, psychology, and linguistics in internationally referred journals. In 1999 he edited a special edition of the journal Idealistic Studies on the topic of Wittgenstein and cognitive science. He was awarded a Woodrow Wilson Graduate Fellowship (1971-72) and a...