Fermé, E.2021-05-312021-05-312000Fermé, E. L. (2000). Irrevocable belief revision and epistemic entrenchment. Logic Journal of IGPL, 8(5), 645-652.http://hdl.handle.net/10400.13/3460In recent papers [10, 11] Krister Segerberg introduced Irrevocable Belief Revision, as closely related to AGM revision [2]. In this paper we present irrevocable belief revision in terms of an epistemic entrenchment relation.1engLogic of theory changeIrrevocable belief revisionEpistemic entrenchment.Faculdade de Ciências Exatas e da Engenhariajournal article10.1093/jigpal/8.5.645