a study on John Locke's theory 劳动与财产：约翰·洛克思想研究：a study on John Locke's theory a study in moral theory a study on Roland Barthes' text theory a study on deleuze's art theory a study of Jonathan Culler's literary theory A study on John Rogers Searle's meaning theory a study of agnes Heller's moral theory a study of Leibniz's intuition theory a study on Aristotle's theory of matter
