Aristotle and Lukasiewicz on existential import

Research output: Contribution to journalArticlepeer-review

20 Citations (Scopus)
1 Downloads (Pure)


Jan Lukasiewicz's treatise on Aristotle's Syllogistic, published in the 1950s, has been very influential in framing contemporary understanding of Aristotle's logical systems. However, Lukasiewicz's interpretation is based on a number of tendentious claims, not least, the claim that the syllogistic was intended to apply only to non-empty terms. I show that this interpretation is not true to Aristotle's text and that a more coherent and faithful interpretation admits empty terms while maintaining all the relations of the traditional square of opposition.
Original languageEnglish
Pages (from-to)535-544
Number of pages10
JournalJournal of the American Philosophical Association
Issue number3
Early online date22 Sept 2015
Publication statusPublished - 2015


  • Aristotle
  • Square of opposition
  • Lukasiewicz
  • Empty terms


Dive into the research topics of 'Aristotle and Lukasiewicz on existential import'. Together they form a unique fingerprint.

Cite this