In the image-number interpretation of Zhouyi,"Cuo"means that the two hexagrams are opposite breadthwise,and"Zong"means that the two hexagrams are"upside down".Fang Yizhi's"Cuo Zong"is a further condensing of the above thought,showing mutual transition between"Ti"and"Yong".Fang Yizhi's"Cuo Zong"thinking is divided into"Shi Cuo"and"Shi Zong",which shows the unity of vertical and horizontal,the mutually interact between Taiji and Yin Yang,no good and evil lying in the process of doing good and removing evil,the unity of time and space and so on.
Fang YizhiCuo Zonggood and evilTaijispace and time