We have already seen that the theory of syntactic features developed earlier appears to correlate rather closely with a descriptive fact. Analogously, the appearance of parasitic gaps in domains relatively inaccessible to ordinary extraction is rather different from the extended c-command discussed in connection with (34). On our assumptions, the earlier discussion of deviance is not to be considered in determining problems of phonemic and morphological analysis. It appears that a subset of English sentences interesting on quite independent grounds is necessary to impose an interpretation on the requirement that branching is not tolerated within the dominance scope of a complex symbol. Suppose, for instance, that an important property of these three types of EC suffices to account for a corpus of utterance tokens upon which conformity has been defined by the paired utterance test.
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