J.-Y.Beziau, “Possible Worlds: A Fashionable Nonsense?”, in Konstantinos Boudouris (ed), Proceedings of the XXIII World Congress of Philosophy, Volume 55, Philosophy of Logic , Greek Philosophical Society, International Federation of Philosophical Societie and Philosophy Documenation Center, Charlottesville, 2018, pp.5-10.

J.-Y.Beziau, “ Possibility, Contingency and the Hexagon of Modalities”, South American Journal of Logic, Volume 3, 2017, pp.273-290.

J.-Y.Beziau, “The Contingency of Possibility”, Principia, vol.20 n.1 (2016), pp.99-115.

J.-Y.Beziau, “Possibility, imagination and conception”, Principios, vol.23 n.40 (2016), pp.59-95.

J.-Y.Beziau, “Le possible et l'impossible: au-delà de la dichotomie”, Actes du 35ème Congrès de l'ASPLF - Association des Sociétés de Philosophie de Langue Française (Rabat, Maroc, 26-30 Août, 2014), Vrin, Paris, 2016, pp.33-54.

J.-Y.Beziau, “The metalogical hexagon of opposition", Argumentos, 10 (2013), pp.111-122.

J.-Y.Beziau, “The power of the hexagon", Logica Universalis, vol.6 (2012), pp.1-43.

J.-Y.Beziau, “Pure alethic modal logic”, Coginitio, vol.13 (2012), pp.25-36.

J.-Y.Beziau, “The new rising of the square of opposition”, in J.-Y.Beziau and D.Jacquette (eds), Around and Beyond the Square of Opposition, Birkhäuser, Basel, 2012, pp.6-24.

J.-Y.Beziau, “A new four-valued approach to modal logic”, Logique et Analyse 54 (2011).

J.-Y.Beziau, “What is a possible world ?", in G.Imaguire and D.Jacquette (eds), Possible worlds, Philosophia Verlag, Munich, 2010, pp.55-69.

J.-Y.Beziau, “Many-valued and Kripke semantics”, in J. van Benthem et al. (eds), The Age of Alternative Logics, Springer, Dordrecht, 2006, pp.89-101.

J.-Y.Beziau, “The paraconsistent logic Z - A possible solution to Jaskowski's problem”, Logic and Logical Philosophy, 15 (2006), pp.99-111

J.-Y.Beziau, “Paraconsistent logic from a modal viewpoint”, Journal of Applied Logic, 3 (2005), pp.7-14.

J.-Y.Beziau, “S5 is a paraconsistent logic and so is first-order classical logic”, Logical Investigations, 9, (2002), pp.301-309.

J.-Y.Beziau, “The logic of confusion”, in Proceedings of the International Conference of Artificial Intelligence IC-AI’2002, H.R.Arabnia (ed), CSREA Press, Las Vegas, 2001, pp.821-826.

J.-Y.Beziau, “Ruth Barcan Marcus est-elle la mère du fils de Wittgenstein ? (Considérations existentialistes sur la formule de Barcan) ”, Manuscrito, 22 (1999), pp.11-27.

J.-Y.Beziau, “Du Pont’s paradox and the problem of intensional logic”, in Logica’93 - Proceedings of the 7th International Symposium, P.Kolar & V.Svodoba (eds), Prague, 1994, pp.62-65.