Arbitrariness of the Sign in Question Proceedings of a CLG 100 Workshop. Geneva, January 10-12, 2017 Beziau Jean-Yves Heftet / 2019 / Engelsk
Conceptual Clarifications. Tributes to Patrick Suppes (1922-2014) Beziau Jean-Yves Heftet / 2015 / Engelsk
L'Imagination Actes du 37e Congrès de l'Association des Sociétés de philosophie de langue française. Rio de Janeiro, 26-131 mars 2018 Beziau Jean-Yves Heftet / 2020 / Fransk
Exoteric Square of Opposition The Sixth World Congress on the Square of Opposition Beziau Jean-Yves Innbundet / 2022 / Engelsk
Exoteric Square of Opposition The Sixth World Congress on the Square of Opposition Beziau Jean-Yves Heftet / 2023 / Engelsk
Logic without Frontiers. Festschrift for Walter Alexandre Carnielli on the Occasion of His 60th Birthday Beziau Jean-Yves Heftet / 2011 / Engelsk
New Directions in Paraconsistent Logic 5th WCP, Kolkata, India, February 2014 Beziau Jean-Yves Heftet / 2018 / Engelsk
New Directions in Paraconsistent Logic 5th WCP, Kolkata, India, February 2014 Beziau Jean-Yves Innbundet / 2016 / Engelsk
Logic, Intelligence and Artifices Tributes to Tarcisio H. C. Pequeno Beziau Jean-Yves Heftet / 2018 / Engelsk
Journal of Applied Logics-IfCoLog Journal of Logics and their Applications. Volume 5, number 7. Special issue Formal Approaches to the Ontological Argument: October 2018 Heftet / 2018 / Engelsk
