 Iamblichus’ significance in Late Antique philosophy can hardly be overestimated. Karl Praechter described him as the second founder of Neoplatonism after Plotinus and argued that Iamblichus’ position was similar to that of Chrysippus in ancient Stoicism (Praechter 1910: 143). This statement aptly expresses Iamblichus’ historical and philosophical significance, but needs much qualification: unlike the Stoa, “Neoplatonism” is not an ancient philosophical school, but a modern historical category (whose reliability scholars are sometimes inclined to question: see Catana 2013). Iamblichus is likely, as was mentioned above  (Section 1.1)  to have been a student of Porphyry who was, in turn, a student of Plotinus. Iamblichus’ school was, however, completely separate from that of Plotinus, both in time and in place: consequently, despite late, ideological attempts to reconstruct a continuous “golden chain” of Neoplatonist exegetes (see, e.g., Hierocles, De Providentia, apud Photius cod. 214, 173 a; Proclus, Platonic Theology I, p. 6.16–7.8), there is no institutional continuity between Plotinus and Iamblichus and, from this point of view, the situation is obviously different from that of the ancient Stoa. Iamblichus is not the second founder of the Neoplatonic school for the simple reason that there is no unitary Neoplatonic school in Late Antiquity. What scholars call Greek Neoplatonism is actually a multifaceted philosophical movement that covers some three centuries and includes several schools scattered throughout the Roman Empire: these schools certainly shared doctrines and methods, but their relations were sometimes close, sometimes much more tenuous. Certainly, Iamblichus accepts and further develops some distinctive features of Plotinus’ philosophy and he can be seen as a follower of Plotinus and Porphyry: this holds in particular for Iamblichus’ general metaphysical and philosophical approach, for his account of the One and of the first principles, for his exegesis of some works such as Plato’s Parmenides and Aristotle’s Categories. On the other hand, Iamblichus’ original position vis-à-vis Plotinus and Porphyry emerges clearly with respect to both his theories and his methods (see Taormina 1999).