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are not considered natural languages, with the possible exception of true native speakers of such languages. Natural languages evolve, through fluctuations in vocabulary and syntax, to incrementally improve human communication. In contrast, Esperanto was created by Polish ophthalmologist
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Some natural languages have become organically "standardized" through the synthesis of two or more pre-existing natural languages over a relatively short period of time through the development of a
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has its own grammar, vocabulary and literature. It is spoken by over 10 million people worldwide and is one of the two official languages of the
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Controlled natural languages are subsets of natural languages whose grammars and dictionaries have been restricted in order to reduce
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As of 1996, there were 350 attested families with one or more
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Natural language can be broadly defined as different from
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