Three Floors for the Theory of Theory Change

In Punčochář Vít & Dančák Michal (eds.), The Logica Yearbook 2013. College Publications. pp. 187–205 (2014)
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Abstract

The theory of theory change due to Alchourrón, Gärdenfors and Makinson ("AGM") has been widely known as being characterized by two sets of postulates, one being very weak and the other being very strong. Commenting on the three classic constructions of partial meet contraction, safe contraction and entrenchment-based construction, I argue that three intermediate levels can be distinguished that play decisive roles within the AGM theory.

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Hans Rott
Universität Regensburg

Citations of this work

Evidential Support and Contraposition.Hans Rott - 2022 - Erkenntnis 89 (6):2253-2271.

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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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