The so-called eighth Stromateus ('liber logicus') by Clement of Alexandria (d. before 221 C.E.) is an understudied source for ancient philosophy, particularly the tradition of the Aristotelian methodology of science, scepticism, and the theories of causation. A series of capitula dealing with inquiry and demonstration, it bears but few traces of Christian interests. In this volume, Matyas Havrda provides a new edition, translation, and lemmatic commentary of the text. The vexing question of the origin of this material and its place within Clement's oeuvre is also...