Haldimann, Jonas, Christoph Beierle, Gabriele Kern-Isberner, and Thomas Meyer. “Conditionals, Infeasible Worlds, and Reasoning With System W”. The International FLAIRS Conference Proceedings 36, no. 1 (May 8, 2023). Accessed May 21, 2024. https://journals.flvc.org/FLAIRS/article/view/133268.