This volume presents the papers selected for the SymposiumLogic at Tver '92, held at Sokol, near Tver, Russia in July1992. It is the second in a series of international symposiaon logical foundations of computer science held in Russia.The meeting is a joint effort of scholars from both theformer Soviet Union and the West, and indicates a new era ofinternational cooperation. Sponsors of the meeting include:the Association for Computing Machinery, the Association forSymbolic Logic, andthe Committee on MathematicalFoundations of Computer Science of IEEE.The book is a unique source of information on the state ofcomputer science research in the former Soviet Union andpresents important discoveries in the area of logicalfoundations of computer science.

This volume presents the papers selected for the SymposiumLogic at Tver '92, held at Sokol, near Tver, Russia in July1992. It is the second in a series of international symposiaon logical foundations of computer science held in Russia.The meeting is a joint effort of scholars from both theformer Soviet Union and the West, and indicates a new era ofinternational cooperation. Sponsors of the meeting include:the Association for Computing Machinery, the Association forSymbolic Logic, andthe Committee on MathematicalFoundations of Computer Science of IEEE.The book is a unique source of information on the state ofcomputer science research in the former Soviet Union andpresents important discoveries in the area of logicalfoundations of computer science.