"This is the second volume of Fremeaux's new collection, about History of Philosophy. Directed by Michaël Foessel, in coedition with famous publisher "Presses Universitaires de France"" (PUF), this collection delivers philosophical lectures on Philosophy by the best specialists of the different periods. In this 4 CDs boxed set Pierre Guenancia explains the birth of the philosophy of liberty from Rousseau to Hegel."