C.I. Lewis, one of America's greatest philosophers, was tremendously influential in the fields of logic and epistemology. However, it was to ethics that he devoted the last years of his life. His approach to ethics was not merely as an academic pursuit, but as the deepest and most fundamental challenge of human life, older than philosophy itself: how should one respond to the necessity of action, and cope with the imposed, unforgiving imperatives...

"Thought-provoking work outlines theory of "conceptual pragmatism," taking into account modern philosophic thought and implications of modern mathematics. Topics include philosophic method, metaphysics, given element in experience, nature of the a priori, experience and order, much else. Stimulating intellectual adventure." -- Publisher.