The French translation with commentary, the first in a modern language, allows historians of philosophy access to a fundamental work for the understanding of medieval and modern thought. They could also explore more easily the great variety of information contained in the commentary of Simplicius on the history of the exegis of the Categories of Aristotle, and more generally on the history of comparative philosophy of Simplicius. They will discover some important aspects in the actual thought of Simplicius, which so far has hardly been explored.

Athenian and Alexandrian Neoplatonism and the Harmonization of Aristotle and Plato by I. Hadot deals with the Neoplatonist tendency to harmonize the philosophies of Plato and Aristotle. It shows that this harmonizing tendency, born in Middle Platonism, prevailed in Neoplatonism from Porphyry and Iamblichus, where it persisted until the end of this philosophy. Hadot aims to illustrate that it is not the different schools themselves, for instance those of Athens and Alexandria, that differ from one another by the intensity of the will to harmonization, but groups of philosophers within...