Abstract
Three long papers are collected here which constitute Chomsky’s major theoretical work on syntax and semantics subsequent to the "standard theory" of Aspects of the Theory of Syntax. Since 1965, transformational-generative linguists have suggested various changes in "standard theory," centering on the relationship between the syntactic and semantic components in natural language grammars. In these papers Chomsky explains several specific problems that require the extension of standard theory and he criticizes the proposals and arguments of the generative semanticists, attempting to show that many of the specific features of language that are claimed to support the generativist position are as well or better explained by extended standard theory, and emphasizing that most of the generativist’s proposals turn out to be mere "notational variants," evidentially indistinguishable from extended standard theory. Aside from appealing to particular data favoring his "lexicalist" defense of syntactic deep structure, Chomsky makes a Popperean appeal that his position is preferable because it is more constraining and more falsifiable.