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An extended right-regular grammar is one in which all rules obey one of . A → w, where A is a non-terminal in N and w is in a (possibly empty) string of terminals Σ *; A → wB, where A and B are in N and w is in Σ *.
In theoretical computer science and formal language theory, a regular language (also called a rational language) [1] [2] is a formal language that can be defined by a regular expression, in the strict sense in theoretical computer science (as opposed to many modern regular expression engines, which are augmented with features that allow the recognition of non-regular languages).
The term 'functionalism' or 'functional linguistics' became controversial in the 1980s with the rise of a new wave of evolutionary linguistics. Johanna Nichols argued that the meaning of 'functionalism' had changed, and the terms formalism and functionalism should be taken as referring to generative grammar, and the emergent linguistics of Paul Hopper and Sandra Thompson, respectively; and ...
Language is a structured system of communication that consists of grammar and vocabulary.It is the primary means by which humans convey meaning, both in spoken and signed forms, and may also be conveyed through writing.