Many-Valued Logics and Holographic Proofs

  • Authors:
  • Mario Szegedy

  • Affiliations:
  • -

  • Venue:
  • ICAL '99 Proceedings of the 26th International Colloquium on Automata, Languages and Programming
  • Year:
  • 1999

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Abstract

We reformulate the subject of holographic proof checking in terms of three-valued logic. In this reformulation the recursive proof checking idea of Arora and Safra gets an especially elegant form. Our approach gives a more concise and accurate treatment of the holographic proof theory, and yields easy to check proofs about holographic proofs. A consequence of our results is that for any Ɛ 0 MAX3SAT instances cannot be approximated in TIME(2n1-Ɛ) within a factor which tends to 1 when n tends to infinity, unless 3SAT can be solved in TIME(2n1-Ɛ) for some Ɛ 0.