Two Types of Morpho-phonology: Lexical and Syntactic Operations in Semitic Languages1

This paper examines the role of morpho-phonology with respect to the lexicon and the syntax, with reference to the morpho-phonology of thematic arity (valence changing) operations. It is commonly assumed that different thematic realizations of the same concept are derived from the same basic entry via various operations. I examine five such operations in the verbal systems of Modern Standard Ara