Formal language
SET OF STRINGS OF SYMBOLS THAT MAY BE CONSTRAINED BY RULES THAT ARE SPECIFIC TO IT; WORDS WHOSE LETTERS ARE TAKEN FROM AN ALPHABET AND ARE WELL-FORMED ACCORDING TO A SPECIFIC SET OF RULES
Formal language theory; Formal languages; Language (computability); Language (computer science); Symbolic meaning; Formal expression; Language (mathematics); Language (logic); Empty language; Formal model; Symbolic system; Language (mathematical logic); Word (formal languages); Operations on languages; Complement of a language; Concatenation of languages; Applications of formal language theory; Set operations on formal languages; Operations on formal languages; Word (formal language theory)
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.