{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,4,23]],"date-time":"2026-04-23T10:59:05Z","timestamp":1776941945300,"version":"3.51.4"},"reference-count":23,"publisher":"Cambridge University Press (CUP)","issue":"3","license":[{"start":{"date-parts":[[2013,5,13]],"date-time":"2013-05-13T00:00:00Z","timestamp":1368403200000},"content-version":"unspecified","delay-in-days":0,"URL":"https:\/\/www.cambridge.org\/core\/terms"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["The Review of Symbolic Logic"],"published-print":{"date-parts":[[2013,9]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:p>In this article we present a new class of multiple contraction functions\u2014the<jats:italic>epistemic entrenchment-based multiple contractions<\/jats:italic>\u2014which are a generalization of the epistemic entrenchment-based contractions (G\u00e4rdenfors, 1988; G\u00e4rdenfors &amp; Makinson, 1988) to the case of contractions by (possibly nonsingleton) sets of sentences and provide an axiomatic characterization for that class of functions. Moreover, we show that the class of<jats:italic>epistemic entrenchment-based multiple contractions<\/jats:italic>coincides with the class of<jats:italic>system of spheres-based multiple contractions<\/jats:italic>introduced in Ferm\u00e9 &amp; Reis (2012).<\/jats:p>","DOI":"10.1017\/s1755020313000105","type":"journal-article","created":{"date-parts":[[2013,5,13]],"date-time":"2013-05-13T11:41:25Z","timestamp":1368445285000},"page":"460-487","source":"Crossref","is-referenced-by-count":4,"title":["EPISTEMIC ENTRENCHMENT-BASED MULTIPLE CONTRACTIONS"],"prefix":"10.1017","volume":"6","author":[{"given":"EDUARDO","family":"FERM\u00c9","sequence":"first","affiliation":[]},{"given":"MAUR\u00cdCIO D. 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