Williamson on indicatives and suppositional heuristics

Francesco Berto*

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

2 Citations (Scopus)
12 Downloads (Pure)


Timothy Williamson has defended the claim that the semantics of the indicative 'if' is given by the material conditional. Putative counterexamples can be handled by better understanding the role played in our assessment of indicatives by a fallible cognitive heuristic, called the Suppositional Procedure. Williamson's Suppositional Conjecture has it that the Suppositional Procedure is humans' primary way of prospectively assessing conditionals. This paper raises some doubts on the Suppositional Procedure and Conjecture.

Original languageEnglish
Pages (from-to)1-12
Number of pages12
Publication statusPublished - 17 Feb 2022


  • Indicative conditionals
  • Acceptability of conditionals
  • Adams' thesis
  • Conditional probabilities


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