New light on the square of oppositions and its nameless corner, Logical Investigations, vol.10, pp.218-233, 2003. ,
Geometry for modalities? Yes: through n-opposition theory, pp.102-145, 2004. ,
A Pragmatic Logic of Scientific Discovery, Discovery Science. Lecture Notes in Computer Science, vol.4265, pp.231-242, 2006. ,
DOI : 10.1007/11893318_24
URL : https://hal.archives-ouvertes.fr/lirmm-00120020