Original study guide · 40
Hexagram 40 · Xiè (雷水解)
Direct summary
Hexagram 40, Xiè (雷水解), places Kǎn (坎, Water) below Zhèn (震, Thunder).
Its nuclear, opposite, and reversed forms are Hexagrams 63, 37, and 39.
Structure reading
The lower trigram is Kǎn (坎, Water); the upper trigram is Zhèn (震, Thunder).
Sequence context
In the received sequence, Hexagram 40 comes between Hexagrams 39 and 41.
Study prompt
Compare Hexagram 40 with its nuclear form (63), opposite form (37), and reversed form (39). Which comparison is easiest to describe from the structure alone?
Editorial references
- Yi structural index: King Wen number, name, trigrams, and nuclear, opposite, and reversed forms.
- Yi editorial method: site-authored guidance is kept separate from classical text.
Yi original study guidance based on verified structural facts. No restricted source passage is reproduced.