A Schütte-Tait Style Cut-Elimination Proof for First-Order Gödel Logic

  • Authors:
  • Matthias Baaz;Agata Ciabattoni

  • Affiliations:
  • -;-

  • Venue:
  • TABLEAUX '02 Proceedings of the International Conference on Automated Reasoning with Analytic Tableaux and Related Methods
  • Year:
  • 2002

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Abstract

We present a Sch眉tte-Tait style cut-elimination proof for the hypersequent calculus HIF for first-order G枚del logic. This proof allows to bound the depth of the resulting cut-free derivation by 4驴(d)|d|, where |d| is the depth of the original derivation and 驴(d) the maximal complexity of cut-formulas in it. We compare this Sch眉tte-Tait style cut-elimination proof to a Gentzen style proof.