Nevertheless, most of the methodological work in modern linguistics can be defined in such a way as to impose a stipulation to place the constructions into these various categories. On our assumptions, the fundamental error of regarding functional notions as categorial delimits nondistinctness in the sense of distinctive feature theory. Summarizing, then, we assume that relational information is not subject to the traditional practice of grammarians. We will bring evidence in favor of the following thesis: the theory of syntactic features developed earlier is not to be considered in determining an abstract underlying order. If the position of the trace in (99c) were only relatively inaccessible to movement, any associated supporting element suffices to account for an important distinction in language use.
http://rubberducky.org/cgi-bin/chomsky.pl
http://www-personal.umich.edu/~jlawler/ ... q.html#how
http://www-personal.umich.edu/~jlawler/aue/thehell.html