Maly, Jan, and Johannes P. Wallner. “Ranking Sets of Defeasible Elements in Preferential Approaches to Structured Argumentation: Postulates, Relations, and Characterizations”. Proceedings of the AAAI Conference on Artificial Intelligence 35, no. 7 (May 18, 2021): 6435-6443. Accessed April 20, 2024. https://ojs.aaai.org/index.php/AAAI/article/view/16798.