Alcuni esempi della relazione tra l'etica stoica e Platone

The paper tries to reconstruct the influences of a number of Platonic dialogues on Stoic ethics. The early Stoics are first of all interested in the unity of virtues and in the doctrine of the indifferents, which are taken and adapted from Plato's Protagoras, Euthydemus, Laches, Gorgias and Meno. Later, with the Middle Stoics, Antipater of Tarsus and Panaetius, and the Imperial Stoics, Musonius Rufus and Hierocles, the Republic plays a more prominent role. This remarkable development betrays a certain polemical attitude. Whereas the older Stoics appear to be concerned with restoring the Socratic heritage, the main aim of later Stoics is to engage in polemics with the presumed heirs of Plato, the Sceptical Academics and Platonists.