This paper discusses the validity and role of linguistic theory in terms of philosophy and logic and considers the relationship among these fields of human knowledge. The main objective of linguistic science is to discover the composition laws actually used by speech communities at any given moment in history. Linguistics is therefore not…

The present level of understanding of the psycholinguistic processes and capacities underlying the child's acquisition of language is reviewed in this publication. In the first chapter, linguistic theories, biological characteristics of language learning, and the distinctions between language competence and language performance are discussed. The…