We would like to thank all the authors for contributing their time and expertise to this book. We wish to acknowledge the referees for their thoughtful and constructive reviews. Many authors also served as referees; their double task is highly appreciated.
Special thanks go to Arleen Schenke, Hardy Grant, and Ed Barbeau for their stylistic polishing of some of the chapters and for their most helpful editorial advice.
Thanks are due to the Journal of Automated Reasoning for permission to reproduce the article “A Fully Automatic Theorem Prover with Human-Style Output” by M. Ganesalingam and W. T. Gowers.
We wish to acknowledge the generous support of the Social Sciences and Humanities Research Council of Canada.