On An Error In Grove's Proof

Logique Et Analyse 158:215-217 (1997)
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Abstract

Nearly a decade has past since Grove gave a semantics for the AGM postulates. The semantics, called sphere semantics, provided a new perspective of the area of study, and has been widely used in the context of theory or belief change. However, the soundness proof that Grove gives in his paper contains an error. In this note, we will point this out and give two ways of repairing it.

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Author Profiles

Koji Tanaka
Australian National University
Graham Priest
CUNY Graduate Center

Citations of this work

The AGM theory and inconsistent belief change.Koji Tanaka - 2005 - Logique Et Analyse 48 (189-192):113-150.

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References found in this work

Two modellings for theory change.Adam Grove - 1988 - Journal of Philosophical Logic 17 (2):157-170.

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