Full First-Order Sequent and Tableau Calculi with Preservation of Solutions and the Liberalized delta-Rule but without Skolemization

  • Authors:
  • Claus-Peter Wirth

  • Affiliations:
  • -

  • Venue:
  • Selected Papers from Automated Deduction in Classical and Non-Classical Logics
  • Year:
  • 2000

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Abstract

. We present a combination of raising, explicit variable dependency representation, the liberalized δ-rule, and preservation of solutions for first-order deductive theorem proving. Our main motivation is to provide the foundation for our work on inductive theorem proving.