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 Yang, not willing to accept Ge's commission, pretended to be ill by holding cow blood in his mouth and then spitting it out. In 529, after Ge Rong had been defeated by the Northern Wei paramount general Erzhu Rong, Yang Yin returned to the Northern Wei capital Luoyang and was made a low level imperial official in the administration of Emperor Xiaozhuang. Later that year, when Yuan Hao the Prince of Beihai claimed imperial title under support from Liang Dynasty and captured Luoyang briefly, forcing Emperor Xiaozhuang to flee, Yang Yin convinced his cousin Yang Kan to remain loyal to