The investigation by Stephan Körner will present the general structure of scientific systems and modes of thinking. The first part ("The Differentiation of Experience") addresses the differences between empirical and theoretical discourse. It reveals the logic underlying empirical discourse before it is subjected to the various constraints imposed by the logical-mathematical framework of scientific theories. The second part ("The Deductive Unification of Experience") deals with this framework; it demonstrates that and how any deductive unification of a domain of experience is eo ipso a modification of empirical discourse and an idealization of its contents. This leads to the conclusion that empirical and theoretical statements are logically disconnected. The third part ("Science and Experience") shows how the logical gap between...