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Universal grammar is a theory of linguistics postulating principles of grammar shared by all languages, thought to be innate to humans. It attempts to explain language acquisition in general, not describe specific languages.

This theory does not claim that all human languages have the same grammar, or that all humans are "programmed" with a structure that underlies all surface expressions of human language. Rather, universal grammar proposes a set of rules that would explain how children acquire their language(s), or how they construct valid sentences of their language.

Students of universal grammar study a variety of grammars to abstract generalizations, often in the form of "If X holds true, then Y occurs." These have been extended to a range of traits, from the phonemes found in languages, to what word orders languages choose, to why children exhibit certain linguistic behaviors.

Linguists who have influenced this theory include Noam Chomsky, Edward Sapir and Richard Montague.


Philosophy of language

See also: Linguistic universal



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