SYNTAX: YP in [H' H YP], where H is a head and H' the projection of H. According to X-bar theory, the complement of a head X0 is defined either as a position attached or adjoined to X', or as a sister of X0. Thus, in configuration (i), either A and B are complements of X0, or just B (the sister of X0).
(i) X' /| / | A X' /| / | B X0Sometimes, the complement of a head X0 is equated with its internal argument(s).
|LIT.||Chomsky, N. (1986a)|
Chomsky, N. (1981)
Williams, E. (1980)