Nicholas Asher, Michael Morreau. Commonsense Entailment: A Modal Theory of Nonmonotonic Reasoning. In Jan van Eijck, editor, Logics in AI, European Workshop, JELIA 90, Amsterdam, The Netherlands, September 10-14, 1990, Proceedings. Volume 478 of Lecture Notes in Computer Science, pages 1-30, Springer, 1990.
Abstract is missing.