6Natural Languages - principle describe a natural language...

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Natural Languages What about natural languages such as English, Arabic, and Cantonese? Are they Type 3, 2, 1, or 0? Ockham’s Razor Principle suggests that we choose the most restricted grammar that correctly describes and explains the linguistic data. Noam Chomsky Syntactic Structures (1957) A Type 3 grammar is probably the most restricted grammar capable of generating an infinite set of sentences. (Recall that this is equivalent to a finite state automaton, a Markov process, or an associative chain model, when properly formalized.) Chomsky showed that a Type 3 grammar cannot in
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Unformatted text preview: principle describe a natural language such as English. What about a Type 2 or Type 1 language? They can probably work in principle, but can they provide the most scientifically “revealing” account? Chomsky claims they do not. 1. Failure to capture meaning equivalence among sentences such as: John kicks the dog. & The dog is kicked by John. 2. Failure to provide parsimonious account of co-occurrence restrictions. To avoid these problems, we must opt for a Type 0 grammar (Unrestricted Rewrite System, Transformational Grammar)....
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