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From morphology to syntax

2022, Cognitive technologies

Abstract

Our goal is to develop a semantic theory that is equally suitable for the lexical material (words) and for the larger constructions (sentences) put together from these. In 2.1 we begin with the system of lexical categories that are in generative grammar routinely used as preterminals mediating between syntax and the lexicon. Morphology is discussed in 2.2, where subdirect composition is introduced. This notion is further developed in 2.3, where the geometric view is expanded from the standard word vectors and the voronoids introduced in Chapter 1 to include non-vectorial elements that express binary relations. These eigenspace techniques receive further use in 2.4, where some crucial relational devices of syntactic theory, thematic relations, deep cases, and kārakas are addressed. How much of syntax can be reconstructed with these is discussed in 2.5. 2.1 Lexical categories and subcategories Whether a universal system of lexical categories exists is still a widely debated question. Bloomfield, 1933, and more recently Kaufman, 2009 argued that certain languages like Tagalog have only one category. But the notion that there are at least three major categories that are universal, nouns, verbs, and adjectives, has been broadly defended (Baker, 2003; Chung, 2012; Haspelmath, 2021). 4lang subdivides verbs into two categories: intransitive U and transitive V; retaining the standard N for noun; A for adjective; and also uses D for aDverb; and G for Grammatical formative. While this rough categorization has proven useful for seeking bindings in the original 4 and in other languages, there is no theoretical claim associated to these categories, nei