Comment se produit l‘écho selon Alexandre d‘Aphrodise (De l‘âme 47.25–48.21)

RICHARD DUFOUR holds the Doctor of Philosophy in Ancient Philosophy from the Université de Paris I (Panthéon-Sorbonne). He was also a post-doctoral fellow at the University of Toronto. Having published French translations of Plotinus and Chrysippus, he now works on new translations of and commentaries on Plotinus and Alexander of Aphrodisias. His email address is richard_dufour@hotmail.com.