John E. Hopcroft

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"This classic book on formal languages, automata theory, and computational complexity has been updated to present theoretical concepts in a concise and straightforward manner with increased coverage of practical applications. This third edition offers students a less formal writing style while providing the most accessible coverage of automata theory available, solid treatment on constructing proofs, many figures and diagrams to help convey ideas, and sidebars to highlight related material. A new feature of this edition is Gradiance, a Web-based homework and assessment tool. Each chapter offers an abundance of exercises, including selected Gradiance problems, for a true hands-on learning experience for students."--BOOK JACKET.