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Permissive Belief Revision (preliminary report).

Title:Permissive Belief Revision (preliminary report).
Authors: Maria R. Cravo, João P. Cachopo, Ana C. Cachopo, and João P. Martins
Series:Linköping Electronic Articles in Computer and Information Science
ISSN 1401-9841
Issue:Vol. 4(1999), number not yet determined
URL: http://www.ep.liu.se/ea/cis/1999/
Abstract: We point out that current belief revision operations can be used to revise non-monotonic theories and we propose a new operation, called permissive belief revision. The underlying idea of permissive belief revision consists of instead of abandoning some beliefs during a revision, transforming those beliefs into weaker ones, while still keeping the resulting belief set consistent. This framework allows us to keep more beliefs than what is usual using existing belief base-based revision theories.
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