Journal of Philosophical Logic

, Volume 31, Issue 5, pp 445–467

The Hooded Man

  • Graham Priest

DOI: 10.1023/A:1020153327867

Cite this article as:
Priest, G. Journal of Philosophical Logic (2002) 31: 445. doi:10.1023/A:1020153327867


The Hooded Man Paradox of Eubulides concerns the apparent failure of the substitutivity of identicals in epistemic (and other intentional) contexts. This paper formulates a number of different versions of the paradox and shows how these may be solved using semantics for quantified epistemic logic. In particular, two semantics are given which invalidate substitution, even when rigid designators are involved.

epistemic logic Eubulides substitution of identicals 

Copyright information

© Kluwer Academic Publishers 2002

Authors and Affiliations

  • Graham Priest
    • 1
  1. 1.Department of PhilosophyUniversity of MelbourneMelbourneAustralia

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