a study on Nelson Goodman's art philosophy a study on Shao Yong's philosophy a study of early German romantic philosophy a study on Kant's moral philosophy 个体符号构造的多元世界：纳尔逊·古德曼艺术哲学研究：a study on Nelson Goodman's art philosophy a study of Karel Kosik's philosophy A study on Etienne Gilson's philosophy a study in Kant's moral philosophy a study of Plato's political philosophy a study on Althusser's later philosophy
