Taijitu during the Qing period for their possible connection with Zhou Dunyi's "taijitu". Ming period author Lai Zhide (1525–1604) simplified the "taijitu" to a design of two interlocking spirals. In the Ming era, the combination of the two interlocking spirals of the "taijitu" with two black-and-white dots superimposed on them became identified with the "He tu" or "Yellow River diagram" (河圖). This version was reported in Western literature of the late 19th century as the "Great Monad", and has been widely popularised in Western popular culture as the "yin-yang symbol" since the 1960s. The contemporary Chinese term for the modern symbol
Yang Yin ceremony where Gao Yan was to be named to a ceremonial post. Yang, Kezhuhun, Yan, Zheng, and Song Qindao were all severely battered and captured. Gao Yan and Gao Zhan subsequently entered the palace and accused Yang and his associates of crimes. They were all executed, although Grand Empress Dowager Lou, who was otherwise supportive of her son Gao Yan's actions, personally attended Yang's wake and made the comment, "Lord Yang was faithful and suffered for his faithfulness." Yang Yin Yang Yin (楊愔) (511–560), courtesy name Zhunyan (遵彦), nickname Qinwang (秦王), was a high-level official of the Chinese dynasty Northern