1. Leçon inaugurale au Collège de France, 7 janvier;Barthes,1977
2. The power of the hexagon;Beziau;Log. Univers.,2012
3. A chromatic hexagon of psychic dispositions;Beziau,2017
4. The pyramid of meaning;Beziau,2018
5. An analogical hexagon;Beziau;Int. J. Approx. Reason.,2018