This chapter summarizes the CVX theory and discuss its implications for theories of grammar: the tabula rasa position, substantive and formal universals, principles and parameters theory, and Optimality Theory. It also discusses the rhythmic nature of the syllable, the commonness of CV syllables, universal vs. language-particular inventories, and “holes” and “outliers” in a syllable inventory. Keywords:CVX theory,
innateness,
universals,
linguistic parameters,
CV syllables,
metrical basis of syllable,
holes;,
outliers