Laurea (Degree) in Philosophy, University of Milan, 1983. DEA (Master) in History of Sciences, Paris, EHESS, 1986.PhD in Philosophy of Sciences (Philosophy of Mathematics), University of Genoa, 1990. HDR, Paris, EHESS, 2000. Chargé, then Directeur de Recherche at the CNRS from 2002. Former Assistant at the University of Geneva, Maître de Conférence at the University of Nantes, Professor at the UNAM, Mexico City, Research Professor at ICREA (Barcelona).