This book offers a radical new understanding of law, beyond the confines of its formalization by the state.

Sandro Chignola is Full Professor of Political Philosophy at the University of Padova, Italy, and Visiting Professor at the Universidad Nacional de San Martín, Buenos Aires, Argentina.

Introduction 1. Une activité obscure... Ravaisson: On Habit 2. Tarde. I 3. Tarde. II 4. Forma dat esse rei: Hauriou