Studia Logica

, Volume 68, Issue 1, pp 89–101 | Cite as

Weak and Strong Theories of Truth

  • Michael Sheard


A subtheory of the theory of self-referential truth known as FS is shown to be weak as a theory of truth but equivalent to full FS in its proof-theoretic strength.

truth FS 


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Copyright information

© Kluwer Academic Publishers 2001

Authors and Affiliations

  • Michael Sheard
    • 1
  1. 1.Department of MathematicsSt. Lawrence UniversityCanton

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