Synthese

, Volume 190, Issue 14, pp 2595–2621

Knowing whether A or B

Open Access
Article

Abstract

The paper examines the logic and semantics of knowledge attributions of the form “s knows whether A or B”. We analyze these constructions in an epistemic logic with alternative questions, and propose an account of the context-sensitivity of the corresponding sentences and of their presuppositions.

Keywords

Knowledge Alternative questions Contextualism Awareness Relevant alternatives Attention Presupposition Accommodation 

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Copyright information

© The Author(s) 2009

Authors and Affiliations

  1. 1.ILLCAmsterdamThe Netherlands
  2. 2.Institut Jean-Nicod (ENS/EHESS/CNRS), Départment d’Etudes Cognitives de l’ENSParisFrance

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