Uniformity and diversity: A minimalist perspective
This essay discusses language uniformity and diversity in the light of recent development of the minimalist program (Hauser et al. 2002, Chomsky 2008, Berwick and Chomsky 2011, and much related work). It pursues two leading ideas. First, Universal Grammar (UG) is maximally minimal: hence early internal language (I-language) is largely uniform across individuals, language variation being mainly or
