Abstract

Bertrand Russell famously remarked that “a logical theory may be tested by its capacity for dealing with puzzles, and it is wholesome plan, in thinking about logic, to stock the mind with as many puzzles as possible.” John Buridan, like many medieval logicians, adopted the same methodology: he developed and refined his theories of truth and other semantic notions against an array of paradoxes. Indeed, in an Appendix to his Summulae de Dialectica Buridan gave a succinct but comprehensive introduction to his logical philosophy in the form of responses to a collection of sophisms (his Sophismata). Among these sophisms are the logical paradoxes, the so-called “insolubles”, such as the Liar paradox (is one who says he is lying, lying or telling the truth?). But before he comes to these especially difficult examples, Buridan tackles puzzles which lead him to reject standard accounts of meaning, truth, logical consequence, tense, hyperintensionality and other semantic notions. In the final chapter of the Sophismata, he deals with various problems involving self-referential propositions, not all of them insolubles. When he turns at last to the insolubles, he elaborates a revision he had already suggested in his Questions on the Sophistical Refutations to the general solution he had developed for them over a long career in the Arts Faculty at the University of Paris dealing with philosophical puzzles.
Original languageEnglish
Title of host publicationInterpreting Buridan
Subtitle of host publicationcritical essays
EditorsSpencer Johnston, Henrik Lagerlund
Place of PublicationCambridge
PublisherCambridge University Press
Chapter3
Pages37-50
Number of pages14
ISBN (Electronic)9781108992497
ISBN (Print)9781108834247
DOIs
Publication statusPublished - 1 Feb 2024

Keywords

  • Buridan
  • Paradox
  • Signification
  • Truth
  • Insolubles

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