The problem of metaphysical omniscience

Research output: Chapter in Book/Report/Conference proceedingChapter (peer-reviewed)peer-review

Abstract / Description of output

Modal accounts of knowledge, mind, and language, as prominently defended by Lewis, leave no room for enquiry into non-contingent matters. According to Lewis, there is only one necessarily true proposition, and it is vacuously known by everyone. What, then, are we doing when we do metaphysics, which often seems to deal with non-contingent questions? Lewis never gave a satisfactory answer, or even acknowledged the problem. I explore some options. Can we understand the relevant parts of metaphysics as dealing with contingent questions about our concepts? Can we understand them in terms of a hyperintensional conception of “explicit” knowledge? Both options have some promise. Ultimately, however, I don’t think they succeed at squaring Lewis’s empiricist epistemology with his metaphysical realism.
Original languageEnglish
Title of host publicationPerspectives on the Philosophy of David Lewis
EditorsHelen Beebee, A.R.J. Fisher
PublisherOxford University Press
Chapter3
Pages23-40
ISBN (Electronic)9780191937644
ISBN (Print)9780192845443
DOIs
Publication statusPublished - 7 Jul 2022

Keywords / Materials (for Non-textual outputs)

  • metametaphysics
  • realism
  • epistemology
  • possible worlds models
  • hyperintensionality

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