Home›Formal languages›prefix grammar🌐EnglishEnglishNederlandsPortuguêsРусскийفارسی中文EntityQ995671· pop 7· linked from 5 articlesprefix grammarSign in to saveformal grammarAvailable in 7 languages中文РусскийPortuguêsCroatianNederlandsفارسیvia Wikidata sitelinks · CC0ConnectionsSemi-Thue systemEntityregular expressionEntityformal languageEntitystringEntitytheoretical computer scienceEntity𝑛-tupleEntitybinary relationEntityformal grammarEntityregular languageEntityregular grammarEntityrewritingEntitytransitive closureEntitysubstringEntityCategoriesFormal languages