Didier Dubois, Henri Prade. Epistemic Entrenchment and Possibilistic Logic. Artificial Intelligence, 50(2):223-239, 1991.
@article{DuboisP91:0, title = {Epistemic Entrenchment and Possibilistic Logic}, author = {Didier Dubois and Henri Prade}, year = {1991}, tags = {logic}, researchr = {https://researchr.org/publication/DuboisP91%3A0}, cites = {0}, citedby = {0}, journal = {Artificial Intelligence}, volume = {50}, number = {2}, pages = {223-239}, }