Exclusion
Exclusion is a structural/configurational relation. An element a is excluded by a category b iff no segment of b dominates a (Chomsky 1986b).
Example
in (i) d is excluded by b, but a and g are not. See Dominance.
(i) [e d [b a [b ...g...]]]
Link
Utrecht Lexicon of Linguistics
References
- Chomsky, N. 1986b. Barriers, MIT Press, Cambridge, Mass.