Abstract
In the first part of this three-part volume, Renoirte provides a critical discussion of chemistry, including a study of atomic and molecular theory. In the second the same author deals with the fundamentals of a critical analysis of scientific knowledge. The problems of defining properties, laws, and theories are reviewed and positive answers offered. In the third section Mercier considers the epistemological problems arising out of recent scientific pronouncements on matter, field, quanta, and the cosmos.--M. F.