AvecIndex ; Bibliographie ; NotesInternational audienceThe radical rejection of the eighteenth-century legacy by a part of the left is a recent stance. Since the French Revolution, which forged its egalitarian foundations, the socialist, communist or anarchist left has defined its identity by a dialectical relationship to illuminism, revealing its desire to fulfill the emancipatory promises of Philosophers while exceeding some of their limits. The book returns to the springs of this positive dialectic of Enlightenment among some of the most illustrious representatives of the left. It shows the inscription of most of the authors and currents of social transformation in the wake of the Enlightenment and the Revolution.Le rejet radical de l’hé...