On the other hand, most of the methodological work in modern linguistics suffices to account for an abstract underlying order. It may be, then, that this selectionally introduced contextual feature raises serious doubts about the traditional practice of grammarians. To characterize a linguistic level L, the systematic use of complex symbols does not readily tolerate a descriptive fact. Notice, incidentally, that a case of semigrammaticalness of a different sort is rather different from the levels of acceptability from fairly high (eg (99a)) to virtual gibberish (eg (98d)). We will bring evidence in favor of the following thesis: the descriptive power of the base component is unspecified with respect to problems of phonemic and morphological analysis.
see also: WikiPedia -- Chomskybot