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In logic, mathematics, computer science, and linguistics, a formal language consists of words whose letters are taken from an alphabet and are well-formed according to a specific set of rules called a formal grammar. The alphabet of a formal language consists of symbols, letters, or tokens that concatenate into strings called words. [1]
The formal style is generally used in formal writing and speech. It is, for example, the language of textbooks, of much of Kannada literature and of public speaking and debate. Novels, even popular ones, will use the literary style for all description and narration and use the colloquial form only for dialogue, if they use it at all.
the English language (adj.) the foot-pound-second system of units [citation needed] (UK: Imperial) English (n.) spin placed on a ball in cue sports (UK: side) engineer: a technician or a person who mends and operates machinery one employed to design, build or repair equipment practitioner of engineering
Additionally, formal rules can be applied outside of logic or mathematics to human language, treating it as a mathematical formal system with a formal grammar. [ 27 ] A characteristic stance of formalist approaches is the primacy of form (like syntax ), and the conception of language as a system in isolation from the outer world.
Formal language, which is a set of well-formed formulas, which are strings of symbols from an alphabet, formed by a formal grammar (consisting of production rules or formation rules). Deductive system , deductive apparatus, or proof system , which has rules of inference that take axioms and infers theorems , both of which are part of the formal ...
Toki Pona: The Language of Good [188] A later dictionary added 17 words, bringing the total number of official words to 137. Subsequently, the Lipu Linku dictionary has used the Toki Pona language survey to identify 260 words in use in Toki Pona, though not all are frequently used. [189] [190] [191]
[2] [3] In this view, language is regarded as arising from a mathematical relationship between meaning and form. The formal description of language was further developed by linguists including J. R. Firth and Simon Dik, giving rise to modern grammatical frameworks such as systemic functional linguistics and functional discourse grammar.
A formal language can be described by a context-sensitive grammar if and only if it is accepted by some linear bounded automaton (LBA). [18] In some textbooks this result is attributed solely to Landweber and Kuroda. [7] Others call it the Myhill–Landweber–Kuroda theorem. [19] (Myhill introduced the concept of deterministic LBA in 1960.