Basic notion in the GB framework referring to the thesis that the human knowledge of language is modular, i.e. consists of distinct subsystems (modules). Examples of modules are the Case system, X-bar theory, and the Binding system.
- Chomsky, N. 1986a. Knowledge of language: its nature, origin and use, Praeger, New York.
- Chomsky, N. 1981. Lectures on Government and Binding, Foris, Dordrecht.