a study of Danto's art theory a study on Deleuze's art theory a study of Gadamer's literary theory a study in moral theory a study on John Locke's theory a study of Leibniz's intuition theory 穿越布里洛盒子：丹托艺术理论研究：a study of Danto's art theory a study of agnes Heller's moral theory a study of Marx's view of history a study of history