In recent years, Charles Sanders Peirce has emerged, in the eyes of philosophers both in America and abroad, as one of America's major philosophical thinkers. His work has forced us back to philosophical reflection about those basic issues that inevitably confront us as human beings, especially in an age of science. Peirce's concern for experience, for what is actually encountered, means that his philosophy, even in its most technical aspects, forms a reflective commentary on actual life and on the world in which it is lived. In Charles S. Peirce: On Norms and Ideals, Potter argues that...