Titlebook: An Introduction to Formal Language Theory; Robert N. Moll,Michael A. Arbib,A. J. Kfoury Textbook 1988 Springer-Verlag New York Inc. 1988 N

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Turing Machines and Language Theory,algorithm, real or imagined. Actually, Turing showed only that these problems are not calculable specifically by Turing machines; later investigations by other researchers led to the generally held belief that Turing computability is synonymous with computability in any other sufficiently powerful algorithm specification system.

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Push-Down Automata and Context-Free Grammars,nly if some push-down automaton can accept the language in a sense we shall shortly make precise. This result has practical as well as theoretical importance, because a push-down store is the basis for several algorithms used in parsing context-free languages.

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Parsing, Part II,trong .(1), are easy to parse and easy to write parsers for. In addition, many important programming language fragments can be given a strong .(1) description, so parsing based on this grammatical characteristic has important applications in computer science.

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The Formal Description of Natural Languages,l languages, the languages of everyday human usage. In this chapter and the next we will explore in more detail just what formal power natural languages seem to have, and how this is captured in contemporary linguistic theories. We will see that there is no easy answer to the question, What is the g

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