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Análisis filosófico

versión On-line ISSN 1851-9636


MAKINSON, David  y  KOUROUSIAS, George. Respecting relevance in belief change. Anal. filos. [online]. 2006, vol.26, n.1, pp. 53-61. ISSN 1851-9636.

In this paper dedicated to Carlos Alchourrón, we review an issue that emerged only after his death in 1996, but would have been of great interest to him: To what extent do the formal operations of AGM belief change respect criteria of relevance? A natural (but also debateable) criterion was proposed in 1999 by Rohit Parikh, who observed that the AGM model does not always respect it. We discuss the pros and cons of this criterion, and explain how the AGM account may be refined, if we so desire, so that it is always respected.

Palabras clave : Defeasibility; Non-monotonic logics; Belief revision; Deontic logic.

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