COMMON LISP: A Gentle Introduction to Symbolic Computation COMMON LISP: A Gentle Introduction to Symbolic Computation David S. Touretzky Carnegie Mellon University The Benjamin/Cummings Publishing Company,Inc. Redwood City, California • Fort Collins, Colorado • Menlo Park, California Reading, Massachusetts• New York • Don Mill, Ontario • Workingham, U.K. Amsterdam • Bonn • Sydney • Singapore • Tokyo • Madrid • San Juan Sponsoring Editor: Alan Apt Developmental Editor: Mark McCormick Production Coordinator: John Walker Copy Editor: Steven Sorenson Text and Cover Designer: Michael Rogondino Cover image selected by David S. Touretzky Cover: La Grande Vitesse, sculpture by Alexander Calder Copyright (c) 1990 by Symbolic Technology, Ltd. Published by The Benjamin/Cummings Publishing Company, Inc. This document may be redistributed in hardcopy form only, and only for educational purposes at no charge to the recipient. Redistribution in electronic form, such as o