The Geometry of Logical Opposition

Accepted on proposition of the following jury: Jean-Yves Béziau, co-supervisor Invited Professor, Department of Logic at the Federal University of Ceara, Fortaleza, Brazil Daniel Schulthess, co-supervisor Professor, Department of Philosophy at the University of Neuchâtel, Switzerland Dominique Luzeaux, examinator Joint Director of UMESIO (Unité de Management espace et systèmes d’information opérationnels) of the DGA (Délégation Générale pour l’Armement), Ministery of Defence, Paris, France Paul McNamara, examinator Associate Professor, Department of Philosophy at the University of New Hampshire, USA Hans Smessaert, examinator Associate Professor, Department of Linguistic at the Catholic University of Leuven, Belgium