Resolving Conflicting Information

  • Authors:
  • John Cantwell

  • Affiliations:
  • Department of Philosophy, Uppsala University, Drottninggatan 4, 751 20 Uppsala, Sweden (E-mail: john.cantwell@filosofi.uu.se)

  • Venue:
  • Journal of Logic, Language and Information
  • Year:
  • 1998

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Abstract

Information received from different sources can be inconsistent. Evenwhen the sources of information can be ordered on the basis of their trustworthiness, it turns out that extracting an acceptable notion of support for information is a non-trivial matter, as is the question whatinformation a rational agent should accept. Here it is shown how a supportordering on the information can be generated and how it can be used todecide what information to accept and what not to accept. This ordering, itturns out, is closely related to notions such as Epistemic Entrenchment andGrove spheres studied in belief revision.