本世纪初元研究开始兴起,至今已产生了一些新的学科,比如说元数学、元逻辑、元科学以及元伦理学等等。近十几年来,“元哲学”(metaphilosophy)一词越来越多地见诸许多国家的哲学文献。就在最近几十年美国出了以“元哲学”命名的刊物,也出了有关元哲学的专著,至于专辟一章讨论元 Beginning of this century, the study of the early Yuan Dynasty started to emerge. So far, some new disciplines have emerged, such as meta-mathematics, meta-logic, meta-science and meta-ethics. For more than a decade, the term “metaphilosophy” has increasingly seen philosophical literature in many countries. In recent decades the United States has published a publication named after “Yuan Philosophy,” and has also published a monograph on metaphysics. As for a chapter discussing Yuan