Possibility Theory, Belief Revision and Nonmonotonic Logic
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\begin{bibtex} @inproceedings{DBLP:conf/ijcai/DuboisP93a, title={Possibility Theory, Belief Revision and Nonmonotonic Logic}, pages={51-61}, year={1993}, crossref={DBLP:conf/ijcai/1993fl}, booktitle={Fuzzy Logic in Artificial Intelligence}, url={http://www.informatik.uni-trier.de/~ley/db/conf/ijcai/ijcai1993fl.html#DuboisP93a}, author={Didier Dubois and Henri Prade} }\end{bibtex}
