Education
École Normale Supérieure.
École Normale Supérieure.
He was a professor and former research fellow at National Center for Scientific Research. He is currently a professor (directeur d"études) at the Ecole des Hautes Etudes en Sciences Sociales (École des Hautes Études en Sciences Sociales ) in Paris. He is the author of a number of works, particularly on enunciation. He developed a theory of argumentation in language with Jean-Claude Anscombre.