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On ensconcement and contraction

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Abstract(s)

In this article we present an axiomatic characterization for the ensconcement-based contractions. We study the interrelation among ensconcement-based contractions and brutal contractions, and we present two ways of defining an ensconcement relation by means of a base contraction operation. Finally, we study the interrelations among ensconcement-based contraction and epistemic entrenchment-based contractions and among brutal contractions and severe withdrawals.

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Keywords

Belief change Belief bases Contraction Ensconcement Axiomatic characterization . Faculdade de Ciências Exatas e da Engenharia

Citation

Fermé, E., Garapa, M., & Reis, M. D. (2017). On ensconcement and contraction. Journal of Logic and Computation, 27(7), 2011-2042.

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Oxford University Press

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