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- Context-free_grammar abstract "In formal language theory, a context-free grammar (CFG)is a formal grammar in which every production rule is of the formV → wwhere V is a single nonterminal symbol, and w is a string of terminals and/or nonterminals (w can be empty). A formal grammar is considered "context free" when its production rules can be applied regardless of the context of a nonterminal. It does not matter which symbols the nonterminal is surrounded by, the single nonterminal on the left hand side can always be replaced by the right hand side.Languages generated by context-free grammars are known as context-free languages (CFL). Different Context Free grammars can generate the same context free language. It is important to distinguish properties of the language (intrinsic properties) from properties of a particular grammar (extrinsic properties). Given two context free grammars, the language equality question (do they generate the same language?) is undecidable.Context-free grammars are important in linguistics for describing the structure of sentences and words in natural language, and in computer science for describing the structure of programming languages and other formal languages.In linguistics, some authors use the term phrase structure grammar to refer to context-free grammars, whereby phrase structure grammars are distinct from dependency grammars. In computer science, a popular notation for context-free grammars is Backus–Naur Form, or BNF.".
- Context-free_grammar wikiPageID "6759".
- Context-free_grammar wikiPageRevisionID "606416560".
- Context-free_grammar hasPhotoCollection Context-free_grammar.
- Context-free_grammar subject Category:1956_in_computer_science.
- Context-free_grammar subject Category:Compiler_construction.
- Context-free_grammar subject Category:Formal_languages.
- Context-free_grammar subject Category:Programming_language_topics.
- Context-free_grammar subject Category:Wikipedia_articles_with_ASCII_art.
- Context-free_grammar type Abstraction100002137.
- Context-free_grammar type Communication100033020.
- Context-free_grammar type FormalLanguages.
- Context-free_grammar type Language106282651.
- Context-free_grammar type Message106598915.
- Context-free_grammar type ProgrammingLanguageTopics.
- Context-free_grammar type Subject106599788.
- Context-free_grammar comment "In formal language theory, a context-free grammar (CFG)is a formal grammar in which every production rule is of the formV → wwhere V is a single nonterminal symbol, and w is a string of terminals and/or nonterminals (w can be empty). A formal grammar is considered "context free" when its production rules can be applied regardless of the context of a nonterminal.".
- Context-free_grammar label "Context-free grammar".
- Context-free_grammar label "Contextvrije grammatica".
- Context-free_grammar label "Gramatyka bezkontekstowa".
- Context-free_grammar label "Grammaire non contextuelle".
- Context-free_grammar label "Grammatica libera dal contesto".
- Context-free_grammar label "Gramática libre de contexto".
- Context-free_grammar label "Gramática livre de contexto".
- Context-free_grammar label "Kontextfreie Grammatik".
- Context-free_grammar label "Контекстно-свободная грамматика".
- Context-free_grammar label "上下文无关文法".
- Context-free_grammar label "文脈自由文法".
- Context-free_grammar sameAs Bezkontextová_gramatika.
- Context-free_grammar sameAs Kontextfreie_Grammatik.
- Context-free_grammar sameAs Gramática_libre_de_contexto.
- Context-free_grammar sameAs Grammaire_non_contextuelle.
- Context-free_grammar sameAs Grammatica_libera_dal_contesto.
- Context-free_grammar sameAs 文脈自由文法.
- Context-free_grammar sameAs 문맥_자유_문법.
- Context-free_grammar sameAs Contextvrije_grammatica.
- Context-free_grammar sameAs Gramatyka_bezkontekstowa.
- Context-free_grammar sameAs Gramática_livre_de_contexto.
- Context-free_grammar sameAs m.01z9_.
- Context-free_grammar sameAs Q338047.
- Context-free_grammar sameAs Q338047.
- Context-free_grammar sameAs Context-free_grammar.
- Context-free_grammar wasDerivedFrom Context-free_grammar?oldid=606416560.
- Context-free_grammar isPrimaryTopicOf Context-free_grammar.