Structural proof theory

Structural proof theory is a branch of logic that studies the general structure and properties of logical and mathematical proofs.

This book is both a concise introduction to the central results and methods of structural proof theory, and a work of research that will be of interest to specialists.

The book is designed to be used by students of philosophy, mathematics, and computer science.

The book contains a wealth of new results on proof-theoretical systems, including extensions of such systems from logic to mathematics, and on the connection between the two main forms of structural proof theory - natural deduction and sequent calculus.

The authors emphasize the computational content of logical results.

A special feature of the volume is a computerized system for developing proofs interactively, downloadable from the web and regularly updated.