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Computer Science

Longer pieces filed under the topics of this subject. Each one is written to be read carefully, not skimmed.

The Chomsky Hierarchy and the Limits of Formal Grammar

Chomsky's four-level classification of formal grammars — from finite-state to recursively enumerable — maps almost perfectly onto the expressive power required to describe different layers of natural language syntax.

computation theoryformal languageslinguistics

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