A philosophical debate with Enrico Berti, Professor of the History of Philosophy at the University of Padua. Speakers: Giovanni Maddalena, Reseacher of Theoretical Philosophy at Molise University; Paolo Ponzio, Professor of the History of Philosophy at Bari University; Massimiliano Savini, Researcher of the History of Philosophy at the University of Lecce. Introduction by: Costantino Esposito, Professor of History of Philosophy at Bari University.