The Arabic Plotinus and Proclus not only have a similar textual history, but also overlap to a surprising degree philosophically. It has been persuasively argued (see especially the pieces collected in D’Ancona 1995; for the context of the Arabic Proclus in the Kindī circle see Taylor 2021) that this is no accident: the Arabic Plotinus exerted a direct influence on the Arabic Proclus. To give one obvious example, the more baroque system set forth in Proclus’ Elements is simplified in the Book of the Pure Good to yield a hierarchy identical to that of the Arabic Plotinus (God, Intellect, Soul, material world). On the other hand it has been suggested (D’Ancona 2011a) that the Elements helped to inspire the program of study outlined in the preface to the Theology.