In hegelian french-speaking litterature, only partial studies about Iena's period are available. The present book attempts to consider the whole of hegelian thinking of this time, and to question its transformations, as well in the field of logic as in those of philosophy of nature or philosophy of spirit.

This book, reconstructing the various stages of the development of Hegel's thought in the Phenomenology of Spirit. Each contribution elaborates a synthetic commentary of a chapter or sub-chapter. The main objective is to help the reader understanding these chapters and their interconnections.

Against a simplistic view of Louis Althusser's and Michel Foucault’s anti-Hegelianism during the 1960s, the book goes through the early works of these philosophers to shed a light on the importance of Hegel for the elaboration of their problematic. the book aims to explain how they elaborated their thought by an immanent critique of Hegelianism.