What's the relationship between Taiji diagram and Bagua diagram?

First, Taiji diagram is the origin of Eight Diagrams.

Second, the Taiji diagram is a circular pattern, and two yin and yang fish intersect at the end.

Three, gossip is a regular octagonal pattern, each side has a special symbol. These eight symbols are called gossip.

4. The Book of Changes says: "It is easy to have Tai Chi, but two instruments are born, two instruments are born with four images, and four images are born with gossip."

Extended data:

I. Taiji Diagram The most impressive Taiji Diagram that people have seen for a long time is two black and white "yin and yang fish". White fish means yang, while black fish means yin. There are black eyes in the middle of the white fish and white eyes in the middle of the black fish, indicating that there is yin in the yang and yang in the yin.

Secondly, regarding the meaning of Taiji diagram, some people think that Taiji refers to the primitive vitality of the universe. Another is "nothingness is Tai Chi." It is believed that "one" is Tai Chi, and this "one" is not a number, but "nothing". There is also a view that the mixture of yin and yang does not divide Tai Chi. "Yin and Yang of heaven and earth, all things, ancient and modern, will always be the principle of life and death, Tai Chi is the best.

Thirdly, The Book of Changes not only arranges a large number of divination records in words, but also has a set of unique and innovative graphic symbols. For example, using "-"and "-"to represent yin and yang constitutes gossip.

Four, "hexagrams", that is, the ancients used "hexagrams" to observe the results of the sun and the moon to make good or bad judgments, that is, "hexagrams." "Eight diagrams" is a compound symbol, and its composition is based on two simple symbols: Yin and Yang, "-"and "-". Every three hexagons are combined into one hexagons.

Baidu Encyclopedia-Taiji Bagua