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A Monoselective Presentation of AGM Revision

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Abstract

A new equivalent presentation of AGM revision is introduced, in which a preference-based choice function directly selects one among the potential outcomes of the operation. This model differs from the usual presentations of AGM revision in which the choice function instead delivers a collection of sets whose intersection is the outcome. The new presentation confirms the versatility of AGM revision, but it also lends credibility to the more general model of direct choice among outcomes (descriptor revision) of which AGM revision is shown here to be a special case.

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  1. Royal Institute of Technology (KTH), Stockholm, Sweden

    Sven Ove Hansson

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  1. Sven Ove Hansson
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Correspondence to Sven Ove Hansson.

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Hansson, S.O. A Monoselective Presentation of AGM Revision. Stud Logica 103, 1019–1033 (2015). https://doi.org/10.1007/s11225-015-9604-5

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  • DOI: https://doi.org/10.1007/s11225-015-9604-5

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