What is "yangmingism"

Yangmingism, known in Mandarin as Yángmíngxué and in Japanese as Yōmeigaku , is one of the major philosophical schools of Neo-Confucianism, based on the ideas of the Neo-Confucian philosopher Wang Yangming. Yangmingism developed as the main intellectual opposition to the Cheng-Zhu school of Neo-Confucianism. The school is considered part of the School of Mind, established by Lu Jiuyuan. Yangmingism emphasizes that, one can get the supreme principle from his/her heart, without seeking outside.