PhD in Philosophy , 1996
University of São Paulo
Dpt of Philosophy
Title: On Logical Truth

Supervisor: Newton C.A. da Costa

PhD in Logic and Foundations of Computer Science, 1995
University of Paris 7 - Denis Diderot
Dpt of Mathematics
Title: Researches on Universal Logic
Supervisor: Daniel Andler

MD in Logic and Foundations of Computer Science, 1990
University of Paris 7 - Denis Diderot
Dpt of Mathematics
Title : On the Paraconsistent Logic C1
Supervisor: Daniel Andler
MD in Phlosophy, 1988
University of Paris 1 – Panthéon Sorbonne
Dpt of Philosophy
Title: Cave to cave (On Plato's Cave)
Supervisor: Sarah Kofman

Maîtrise in Philosophy, 1987
University of Paris 1 – Panthéon Sorbonne
Dpt of Philosophy
Title: David Bohm’s holomovement
Supervisor: Bernard d’Espagnat