Wolfgang Spohn, born 1950, is one of the most distinguished analytic philosophers and philosophers of science of Germany, editor-in-chief of Erkenntnis for more than 13 years, author of two books and more than 60 papers covering a wide range: epistemology, metaphysics, and philosophy of science, philosophical logic, philosophy of language and mind, and the theory of practical rationality. This collection presents 15 of his most important essays on theoretical philosophy. The centre piece is his uniquely successful theory of the dynamics of belief, tantamount to an account of induction and nowa...