A few months before his death, Leibniz wrote to Des Bosses, My doctrine of composite substance seems to be the very doctrine of the Peripatetic school, except that their doctrine does not recognize monads. But I add them, with no detriment to the doctrine itself. You will hardly find another difference, even if you are bent on doing so.1 It is tempting to take Leibniz’s profession of Aristotelian orthodoxy as circumstantial: the entire correspondence he had with the Jesuit Father Bartholomew (...) Des Bosses is based on a project of reconciliation between his “system” and the dogmas of the Catholic Church, mediated by Aristotelian philosophy.2 But even so, this circumstantial... (shrink)