Ceteris Paribus Conditionals and Comparative Normalcy

Martin James Melville Smith

Research output: Contribution to journalArticlepeer-review

19 Citations (Scopus)


Our understanding of subjunctive conditionals has been greatly enhanced through the use of possible world semantics and, more precisely, by the idea that they involve variably strict quantification over possible worlds. I propose to extend this treatment to ceteris paribus conditionals-that is, conditionals that incorporate a ceteris paribus or 'other things being equal' clause. Although such conditionals are commonly invoked in scientific theorising, they traditionally arouse suspicion and apprehensiveness amongst philosophers. By treating ceteris paribus conditionals as a species of variably strict conditional I hope to shed new light upon their content and,their logic.

Original languageEnglish
Pages (from-to)97-121
Number of pages25
JournalJournal of Philosophical Logic
Issue number1
Publication statusPublished - Feb 2007


  • ceteris paribus conditional
  • comparative normalcy
  • possible world semantics
  • subjunctive conditional
  • LAWS


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