Cheng–Zhu school
The School of Principle (simplified Chinese: 理学; traditional Chinese: 理學; pinyin: Lǐxué), or the Cheng–Zhu School (Chinese: 程朱理學; pinyin: Chéng Zhū lǐxué), is one of the major philosophical schools of Neo-Confucianism, based on the ideas of the Neo-Confucian philosophers Cheng Yi, Cheng Hao, and Zhu Xi. It is also referred to as the Rationalistic School.