(What Happens at PF?)
from Part IV - Comparative Syntax: Interfaces
Published online by Cambridge University Press: 05 January 2026
This chapter examines how morphology has been implicated in studies of comparative syntax. A major theme is how different theories define morphology and how such definitions relate to research in morphological theory. I first look at what it might mean to reduce syntactic variation to morphology or the lexicon. While some well-known approaches have relatively little to do with morphology as understood in morphological theory, one of them provides a plausible way of encoding variation in the features of syntactic terminals. I then ask what Distributed Morphology adds to the study of universals and variation, focusing on the PF interface and showing that there are possible universals in this part of the grammar, but they must be sought at an appropriate level of abstraction. Finally, I examine a conception of PF that arises in some Minimalist discussions where it is posited that apparent syntactic variation is driven by the need to have syntactic structures connect with language-external systems. If correct, this would mean much of what has been analyzed as part of the syntax is actually part of the PF component. However, how this can be investigated empirically is an open topic.
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