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六爻

Liu Yao casts a hexagram with three coins, then assigns each line a stem, a branch and one of the Six Relations through the eight-palace Najia system, and reads a single question from the result. It grew out of the Najia scheme of the Han scholar Jing Fang and reached a complete interpretive system in the Ming and Qing.

What marks this literature is the sheer volume of worked cases. Zeng Shan Bu Yi is built almost entirely from recorded castings, its author using counterexamples to correct received opinion; Huang Jin Ce is a densely compressed rhapsody that needs a commentary to be read at all. The two forms complement each other.

How to read this branch

Learn to assemble a hexagram from a systematic treatise first, then work through the case collections. Choosing the Useful God is the hinge of the whole method and repays comparing how different books handle it.

Charting guides