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Belief Revision via PS-Merge under constraints belief merging operator
...Such new evidence is usually
represented in the form of a propositional formula which must be preserved after the
revision.
Here, the Δps (PS-Merge) belief merging operator is extended in order to consider constraints, and this extension is used as a strategy for belief revision. The new evidence is treated as a constraint so the extended merging operator can obtain the revised belief base.