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Formal language theory is the study of formal languages, or often more accurately the study of families of formal languages. ... Formal language theory is concerned with the purely syntactical aspects, rather than a semantics or meaning of the strings.
Formal language theory (FLT), part of the broader mathematical theory of computation, provides a systematic terminology and set of conventions for describing rules and the structures they generate, along with a rich body of discoveries and theorems concerning generative rule systems.
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