Which school is the Book of Changes?

The Book of Changes is a classic of Confucianism and Taoism.

The broad sense of Yi, including Lianshan, Guizang and Zhouyi, has been lost. The author is difficult to verify. Some scholars believe that it is a long-term summary of simple dialectics by the last three generations, even in East Asia, and some scholars believe that it was written by Taoism in the Zhou Dynasty.