Taijitu Taijitu A taijitu () is a symbol or diagram ( "tú") in Chinese philosophy representing Taiji ( "tàijí" "great pole" or "supreme ultimate") representing both its monist ("wuji") and its dualist (yin and yang) aspects. Such a diagram was first introduced by Song Dynasty philosopher Zhou Dunyi (周敦頤 1017–1073) in his "Taijitu shuo" 太極圖說. The modern Taoist canon, compiled during the Ming era, has at least half a dozen variants of such "taijitu". The two most similar are the "Taiji Primal Heaven" (太極先天圖 "tàijí xiāntiān tú") and the "wuji" (無極圖 "wújí tú") diagrams, both of which have been extensively studied
Yang Yin Xiaoming, Northern Wei was suffering greatly from agrarian rebellions, and Yang Jing was commissioned with an army as the governor of Ding Province, roughly modern Baoding, Hebei). Yang Yin accompanied his father to Ding Province, and on account of his contribution to his father's campaign, was created the Baron of Weichang. However, in spring 528, Ding Province fell to the rebel general Du Luozhou, and Yang Jing's household was imprisoned by Du. Soon thereafter, Du was defeated by another rebel general, Ge Rong. Ge wanted to marry one of his daughters to Yang Yin and make him an official, but