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Chomsky Normal Form

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  • Chomsky normal form — In computer science, a context free grammar is said to be in Chomsky normal form if all of its production rules are of the form: or or where A, B and C are nonterminal symbols, α is a terminal symbol (a symbol that represents a constant value), S …   Wikipedia

  • Normal form — may refer to: Normal form (abstract rewriting) Normal form (databases) Normal form (game theory) Normal form (mathematics) In formal language theory: Beta normal form Chomsky normal form Greibach normal form Kuroda normal form Normal form… …   Wikipedia

  • Greibach normal form — In computer science, to say that a context free grammar is in Greibach normal form (GNF) means that all production rules are of the form::A o alpha X or:S o lambdawhere A is a nonterminal symbol, α is a terminal symbol, X is a (possibly empty)… …   Wikipedia

  • Kuroda normal form — In formal language theory, a grammar is in Kuroda normal form iff all production rules are of the form:: AB rarr; CD or: A rarr; BC or: A rarr; B or: A rarr; α where A, B, C and D are nonterminal symbols and α is a terminal symbol.Every grammar… …   Wikipedia

  • Chomsky (disambiguation) — Chomsky may refer to: Noam Chomsky (born 1928), American linguist, philosopher, cognitive scientist, political activist, author, lecturer, professor emeritus at MIT, known for early work in transformational grammar and A.I. Chomsky (surname),… …   Wikipedia

  • Noam Chomsky — Chomsky redirects here. For other topics with the same name, see Chomsky (disambiguation). Noam Chomsky Noam Chomsky visiting Vancouver, Canada in 2004 …   Wikipedia

  • Backus–Naur Form — In computer science, Backus–Naur Form (BNF) is a metasyntax used to express context free grammars: that is, a formal way to describe formal languages. John Backus and Peter Naur developed a context free grammar to define the syntax of a… …   Wikipedia

  • Laws of Form — (hereinafter LoF ) is a book by G. Spencer Brown, published in 1969, that straddles the boundary between mathematics and of philosophy. LoF describes three distinct logical systems: * The primary arithmetic (described in Chapter 4), whose models… …   Wikipedia

  • Backus-Naur Form — Die Backus Naur Form oder Backus Normalform, kurz BNF, ist eine kompakte formale Metasprache zur Darstellung kontextfreier Grammatiken (Typ 2 Grammatiken in der Chomsky Hierarchie). Hierzu zählt die Syntax gängiger höherer Programmiersprachen.… …   Deutsch Wikipedia

  • Backus-Naur-Form — Die Backus Naur Form oder Backus Normalform, kurz BNF, ist eine kompakte formale Metasprache zur Darstellung kontextfreier Grammatiken (Typ 2 Grammatiken in der Chomsky Hierarchie). Hierzu zählt die Syntax gängiger höherer Programmiersprachen.… …   Deutsch Wikipedia

  • Noam Chomsky's political views — Noam Chomsky at an antiwar rally in Vancouver, 2004 Noam Chomsky is a widely known intellectual, political activist, and …   Wikipedia

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