A grammar is a mathematical system that generates a language. In order to define a language from a mathematical point of view, one begins with an alphabet A which is simply a set of symbols, either finite or infinite. Let A* be the set of all sequences...

n. A language generated by a formal grammar. A formal language may or may not resemble a natural language; one of the goals of grammatical investigation is the construction of grammars which generate formal languages resembling natural languages as...

In contrast with natural languages, a formal language is a linguistic system based on logic and/or mathematics that is distinguished by its clarity, explicitness, and simple verifiability. ( also formal logic,...

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A formal language is an organized set of symbols the essential feature of which is that it can be precisely defined in terms of just the shapes and locations of those symbols. Such a language can be defined, then, without any reference to any meanings...

NEW TRENDS IN FORMAL LANGUAGES Edited by Gheorghe Pun and Arto Salomaa Springer-Verlag, Berlin, Germany, 465 pp., 1997 Gheorghe Pun (University of Bucharest) and Arto Salomaa (University of Turku, Finland) are arguably the two most important figures in formal language theory today. When they...

Abstract: In this study of German as a foreign language, formal classroom experience is compared with informal use of German outside the classroom focusing on three syntactic features: main clause word order (subject-verb-object, or SVO), topicalization (subject-verb inversion), and subordinate word order (subject-object-verb,...

In major concessions to international demands, Iran has agreed to answer lingering questions about its nuclear experiments and will let U.N. inspectors return to a plutonium-producing reactor it is building, the International Atomic Energy Agency said Friday.The decision to cooperate more fully with the U.N....