|Título||Base Belief Change for Finitary Monotonic Logics|
|Publication Type||Conference Paper|
|Year of Publication||2009|
|Authors||Pardo P, Dellunde P, Godo L|
|Conference Name||13th Conference of the Spanish Association for Artificial Intelligence, CAEPIA 2009|
We slightly improve on characterization results already in the literature for base revision. We show that in order to axiomatically characterize revision operators in a logic the only conditions this logic is required to satisfy are: finitarity and monotonicity. A characterization of limiting cases of revision operators, full meet and maxichoice, is also offered. In the second part of the paper, as a particular case, we focus on the class of graded fuzzy logics and distinguish two types of bases, naturally arising in that context, exhibiting different behavior.
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