The difference between six hexagrams and three hexagrams.

1, Liuyi, because there are internal and external factors, Gan Kun is included from beginning to end, so Gan Najia people, Kun returned. And these three hexagrams can only be accepted, and Kun Can can only be accepted.

2. Wuji is in the palace, and Wuliu is in heaven and earth. The three laws follow the principles of river map and Luo Shu, and the sky is dry and the things are dry, and there is no end to the sky. It turns out that the hexagram method is different from Canna and Wuji. The three laws become separation from non-combination, separation from ghosts and gods, separation from gossip and separation from bagua.

Because the dichotomy conforms to the mathematics of river map, it is very convenient to remember the number of the corresponding river map, as shown in the following figure.

Gannajia, corresponding to Hetu No.1, Kunna B, corresponding to Hetu No.2. For innate gossip, up and down are the directions of heaven and earth, while the river map shows that there is water in the north and fire in the south. Isn't this upside down?