Jean-Pascal Alcantara
- Alcantara, Jean-Pascal. 2012. “Leibniz, Modal Logic and Possible World Semantics: The Apulean Square as a Procrustean Bed for His Modal Metaphysics.” In Around and Beyond the Square of Opposition, edited by Jean-Yves Beziau and Dale Jacquette, 53–71. Basel: Springer. (7 diagrams)