A modal logic for subjective default reasoning.

Shai Ben-David Rachel Ben-Eliyahu-Zohary A modal logic for subjective default reasoning. 217-236 2000 116 Artif. Intell. 1-2 db/journals/ai/ai116.html#Ben-DavidB00 http://dx.doi.org/10.1016/S0004-3702(99)00081-8