A particular aspect of the confrontation between modern philosophy and the aristotelian tradition regards the so-called psychology of faculties. On this ground, it is for modern thought much harder, in comparison to the field of natural sciences, to differentiate itself from concepts, theories, and terminologies which characterize the still…[Read more]

The paper deals with Leibniz’s manuscript writings on the foundation of infinitesimal calculus since 1702: the mathematician’s late theory, and the preparatory works to his “Cum prodiisset atque increbuisset”, are presented. An edition of Leibniz’s unpublished DEFENSE DU CALCUL DE DIFFERENCES is provided as an Appendix.