Dilating and contracting arbitrarily

David Builes, Sophie Horowitz, Miriam Schoenfield

Research output: Contribution to journalArticlepeer-review

3 Scopus citations


Standard accuracy-based approaches to imprecise credences have the consequence that it is rational to move between precise and imprecise credences arbitrarily, without gaining any new evidence. Building on the Educated Guessing Framework of Horowitz (2019), we develop an alternative accuracy-based approach to imprecise credences that does not have this shortcoming. We argue that it is always irrational to move from a precise state to an imprecise state arbitrarily, however it can be rational to move from an imprecise state to a precise state arbitrarily.

Original languageEnglish (US)
Pages (from-to)3-20
Number of pages18
Issue number1
StatePublished - Mar 2022
Externally publishedYes

All Science Journal Classification (ASJC) codes

  • Philosophy


  • accuracy
  • ambiguity aversion
  • comparativism
  • educated guesses
  • formal epistemology
  • imprecise probability
  • the Principal Principle


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