The volumes of the Symposium Aristotelicum have become obligatory reference works for Aristotle studies. In this eighteenth volume a distinguished group of scholars offers a chapter-by-chapter study of the first book of the Metaphysics. Aristotle presents here his philosophical project as a search for wisdom, which is found in the knowledge of the first principles allowing us to explain whatever exists. As he shows, earlier philosophers had been seeking such a wisdom, though they had divergent views on what these first principles were. Before Aristotle sets out his own views, he offers a...