Operations on Proofs that can be Specified by Means of Modal Logic

Sergei N. Artëmov. Operations on Proofs that can be Specified by Means of Modal Logic. In Michael Zakharyaschev, Krister Segerberg, Maarten de Rijke, Heinrich Wansing, editors, Advances in Modal Logic 2, papers from the second workshop on Advances in Modal logic, held in Uppsala, Sweden, 1998. pages 59-72, CSLI Publications, 1998.

Abstract

Abstract is missing.