Journal of Philosophical Logic

, Volume 26, Issue 5, pp 553–567 | Cite as

Extended Gergonne Syllogisms

  • Fred Johnson


Syllogisms with or without negative terms are studied by using Gergonne’s ideas. Soundness, completeness, and decidability results are given.


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Copyright information

© Kluwer Academic Publishers 1997

Authors and Affiliations

  • Fred Johnson
    • 1
  1. 1.Department of PhilosophyColorado State UniversityFort CollinsU.S.A

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