Extended Projection Principle

Extended Projection Principle is principle which extends the Projection Principle with the requirement that clauses have subjects (also see licensing).

Example

the EPP requires that sentence (i) has an expletive subject (to which no theta-role is assigned):

(i) it is raining

Link

Utrecht Lexicon of Linguistics

References

• Chomsky, N. 1986a. Knowledge of language: its nature, origin and use, Praeger, New York.
• Chomsky, N. 1981. Lectures on Government and Binding, Foris, Dordrecht.