AGM 25 years: twenty-five years of research in belief change

Fermé, Eduardo; Hansson, Sven Ove

http://hdl.handle.net/10400.13/3451

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Authors

Fermé, Eduardo

Hansson, Sven Ove

Abstract(s)

The 1985 paper by Carlos Alchourrón (1931–1996), Peter Gärdenfors, and David Makinson (AGM), “On the Logic of Theory Change: Partial Meet Contraction and Revision Functions” was the starting-point of a large and rapidly growing literature that employs formal models in the investigation of changes in belief states and databases. In this review, the first twenty five years of this development are summarized. The topics covered include equivalent characterizations of AGM operations, extended representations of the belief states, change operators not included in the original framework, iterated change, applications of the model, its connections with other formal frameworks, computatibility of AGM operations, and criticism of the model.

Keywords

Belief change Belief revision Theory change Partial meet contraction Partial meet revision AGM Carlos Alchourrón Peter Gärdenfors David Makinso . Faculdade de Ciências Exatas e da Engenharia