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- Ambiguous_grammar abstract "In computer science, an ambiguous grammar is a context-free grammar for which there exists a string that can have more than one leftmost derivation, while an unambiguous grammar is a context-free grammar for which every valid string has a unique leftmost derivation. Many languages admit both ambiguous and unambiguous grammars, while some languages admit only ambiguous grammars. Any non-empty language admits an ambiguous grammar by taking an unambiguous grammar and introducing a duplicate rule or synonym (the only language without ambiguous grammars is the empty language). A language that only admits ambiguous grammars is called an inherently ambiguous language, and there are inherently ambiguous context-free languages. Deterministic context-free grammars are always unambiguous, and are an important subclass of unambiguous CFGs; there are non-deterministic unambiguous CFGs, however.For real-world programming languages, the reference CFG is often ambiguous, due to issues such as the dangling else problem. If present, these ambiguities are generally resolved by adding precedence rules or other context-sensitive parsing rules, so the overall phrase grammar is unambiguous.".
- Ambiguous_grammar wikiPageExternalLink grammar.
- Ambiguous_grammar wikiPageExternalLink index.html.
- Ambiguous_grammar wikiPageID "647729".
- Ambiguous_grammar wikiPageLength "11120".
- Ambiguous_grammar wikiPageOutDegree "33".
- Ambiguous_grammar wikiPageRevisionID "683825937".
- Ambiguous_grammar wikiPageWikiLink CYK_algorithm.
- Ambiguous_grammar wikiPageWikiLink Category:Formal_languages.
- Ambiguous_grammar wikiPageWikiLink Chart_parser.
- Ambiguous_grammar wikiPageWikiLink Computer_science.
- Ambiguous_grammar wikiPageWikiLink Conditional_(computer_programming).
- Ambiguous_grammar wikiPageWikiLink Context-free_grammar.
- Ambiguous_grammar wikiPageWikiLink Context-free_grammars.
- Ambiguous_grammar wikiPageWikiLink Context-free_language.
- Ambiguous_grammar wikiPageWikiLink Context_free_grammar.
- Ambiguous_grammar wikiPageWikiLink Dangling_else.
- Ambiguous_grammar wikiPageWikiLink Decision_problem.
- Ambiguous_grammar wikiPageWikiLink Deterministic_context-free_grammar.
- Ambiguous_grammar wikiPageWikiLink Deterministic_pushdown_automata.
- Ambiguous_grammar wikiPageWikiLink Deterministic_pushdown_automaton.
- Ambiguous_grammar wikiPageWikiLink GLR_parser.
- Ambiguous_grammar wikiPageWikiLink LR_parser.
- Ambiguous_grammar wikiPageWikiLink Leftmost_derivation.
- Ambiguous_grammar wikiPageWikiLink Operator_associativity.
- Ambiguous_grammar wikiPageWikiLink Palindrome.
- Ambiguous_grammar wikiPageWikiLink Parikhs_theorem.
- Ambiguous_grammar wikiPageWikiLink Parse_tree.
- Ambiguous_grammar wikiPageWikiLink Post_correspondence_problem.
- Ambiguous_grammar wikiPageWikiLink Programming_language.
- Ambiguous_grammar wikiPageWikiLink Pushdown_automaton.
- Ambiguous_grammar wikiPageWikiLink Regular_language.
- Ambiguous_grammar wikiPageWikiLink Right-associative.
- Ambiguous_grammar wikiPageWikiLink Rohit_Jivanlal_Parikh.
- Ambiguous_grammar wikiPageWikiLink Semi-decidable.
- Ambiguous_grammar wikiPageWikiLink String_(computer_science).
- Ambiguous_grammar wikiPageWikiLink Syntactic_ambiguity.
- Ambiguous_grammar wikiPageWikiLink Undecidable_problem.
- Ambiguous_grammar wikiPageWikiLink YACC.
- Ambiguous_grammar wikiPageWikiLink Yacc.
- Ambiguous_grammar wikiPageWikiLink File:Leftmostderivations_jaredwf.png.
- Ambiguous_grammar wikiPageWikiLinkText "Ambiguous grammar".
- Ambiguous_grammar wikiPageWikiLinkText "Ambiguous grammar#Inherently ambiguous languages".
- Ambiguous_grammar wikiPageWikiLinkText "ambiguities".
- Ambiguous_grammar wikiPageWikiLinkText "ambiguity resolution".
- Ambiguous_grammar wikiPageWikiLinkText "ambiguous grammar".
- Ambiguous_grammar wikiPageWikiLinkText "ambiguous".
- Ambiguous_grammar wikiPageWikiLinkText "inherent ambiguity".
- Ambiguous_grammar wikiPageWikiLinkText "inherently ambiguous".
- Ambiguous_grammar wikiPageWikiLinkText "unambiguous context-free grammar".
- Ambiguous_grammar wikiPageWikiLinkText "unambiguous".
- Ambiguous_grammar hasPhotoCollection Ambiguous_grammar.
- Ambiguous_grammar wikiPageUsesTemplate Template:Cite_book.
- Ambiguous_grammar wikiPageUsesTemplate Template:Cite_journal.
- Ambiguous_grammar wikiPageUsesTemplate Template:Harvtxt.
- Ambiguous_grammar wikiPageUsesTemplate Template:Main.
- Ambiguous_grammar subject Category:Formal_languages.
- Ambiguous_grammar hypernym Grammar.
- Ambiguous_grammar type Book.
- Ambiguous_grammar type Language.
- Ambiguous_grammar type Combinatoric.
- Ambiguous_grammar type Language.
- Ambiguous_grammar comment "In computer science, an ambiguous grammar is a context-free grammar for which there exists a string that can have more than one leftmost derivation, while an unambiguous grammar is a context-free grammar for which every valid string has a unique leftmost derivation. Many languages admit both ambiguous and unambiguous grammars, while some languages admit only ambiguous grammars.".
- Ambiguous_grammar label "Ambiguous grammar".
- Ambiguous_grammar sameAs Nejednoznačna_gramatika.
- Ambiguous_grammar sameAs Nejednoznačná_gramatika.
- Ambiguous_grammar sameAs Mehrdeutige_Grammatik.
- Ambiguous_grammar sameAs دستور_زبان_مبهم.
- Ambiguous_grammar sameAs Nejednoznačna_gramatika.
- Ambiguous_grammar sameAs 曖昧な文法.
- Ambiguous_grammar sameAs Ambigue_grammatica.
- Ambiguous_grammar sameAs Gramática_ambígua.
- Ambiguous_grammar sameAs m.02_b4v.
- Ambiguous_grammar sameAs Неоднозначная_грамматика.
- Ambiguous_grammar sameAs Q1917459.
- Ambiguous_grammar sameAs Q1917459.
- Ambiguous_grammar wasDerivedFrom Ambiguous_grammar?oldid=683825937.
- Ambiguous_grammar isPrimaryTopicOf Ambiguous_grammar.