Harry Lewis is Gordon McKay Professor of Computer Science and former dean of Harvard College at Harvard University. His books include Blown to Bits: Your Life, Liberty, and Happiness after the Digital Explosion. Rachel Zax is a software engineer at Google.
"I want to share with everybody my enjoyment of this excellent textbook."—Narciso Marti-Oliet, European Math Society
"Those teaching computer scientists who take discrete mathematics alongside other mathematics modules such as linear algebra and calculus (as is the case with the CS20 students at Harvard), and who need a book with an emphasis on proof, will likely and this book a very good choice for their students."—London Mathematical Society, Glenn Hawe
"Carefully constructed and elegantly written, this book delivers exactly what its title promises—an introductory treatment of all the essentials of discrete mathematics that a computer scientist needs to know."—David P. Williamson, Cornell University
"This excellent book is an outstanding combination of clarity, rigor, and elegance. Lewis and Zax have produced a remarkably comprehensive guide to the world of discrete mathematics—a guide that will be invaluable for any student of computer science."—John MacCormick, Dickinson College
"Lewis and Zax give us a nice introduction to the essential concepts of discrete mathematics that any computer scientist should know. Their book presents a rigorous treatment of the important results, but it also goes beyond that by discussing the big picture behind the key ideas. Their explanations are at the perfect level for anyone with little background in mathematical proofs, making it ideal as a textbook or as supplementary reading."—Saúl A. Blanco, Indiana University
"Finally, a book that covers discrete mathematics the way I like to teach it to students of computer science."—Saad Mneimneh, Hunter College, City University of New York
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