The Research of Xu Heng's Yi-ology

The Yi-ology is an important part of Xu Heng's philosophical thought.Firstly,he discussed the connection of the ability,the position,and the time of a hexagram.Through this discussion,he built a characteristic Yi-ology Form of his own.Secondly,based on the hexagrams of ZhouYi,he expatiated a particular view of YinYang.Finally,He also calculated the probability of the fixed and moved Yao in traditional divination.Beside that,the Yi-ology also had a close contact with Xu Heng's Neo-Confucianism thought,and played an indispensable role in the research of Xu Heng's thought.