Gorczyca, Piotr, and Hannes Strass. “Non-Monotonic S4F Standpoint Logic”. Proceedings of the AAAI Conference on Artificial Intelligence 40, no. 23 (March 14, 2026): 19126–19134. Accessed May 14, 2026. https://ojs.aaai.org/index.php/AAAI/article/view/38986.