I. Canonical Essence & Metaphysical Foundation
er zhi（dong zhi、xia zhi）wei yin yang zhuan hua de fen shui ling。dong zhi yi yang sheng，Five Elementszhi mu qi kai shi meng dong；xia zhi yi yin sheng，Five Elementszhi jin qi kai shi qian fu。ba wo ci jie dian，fang neng jing zhun pan dingFive Elementsxi ji yuUseful God (Key Remedy)。
II. Canonical Formulas & Deduction Rules
Formula & Verse
Formula for YH V7 025 er zhi yin yang xiang sheng li:dong zhi xia zhi yin yang zhuan hua duiFive Elementssheng wang zhi qi de ying xiang
- PROMOTE(er zhi yin yang xiang sheng li ben ge): er zhi yin yang xiang sheng li：er zhi（dong zhi、xia zhi）wei yin yang zhuan hua de fen shui ling。dong zhi yi yang sheng，Five Elementszhi mu qi kai shi meng dong；xia zhi yi yin sheng，Five Elementszhi jin qi kai shi qian fu。ba wo ci jie dian，fang neng jing zhun pan dingFive Elementsxi ji yuUseful God (Key Remedy)。
- EVALUATE(Heavenly Stems and Earthly Branchespei he yu ji shen sheng zhu): jie heMonthly Commanderqi shu yu san fang si zhengUseful God (Key Remedy)，kao liang sheng wang fu chi zhi gong。
- SUPPRESS(Taboo Godqin rao yu po ju xing chong): ruo feng sha xing chong po、yang ren bo xue huoVoidness (Xunkong)Taboo God，ze ge ju shou sun huo jian fu。
- WARN(da yun liu nian sui yun fou tai): shen shi xing yun zou sheng wang huo xiu qiu zhi di，pan ding yi sheng jin tui zhi jie yu ying yan qi。
III. Promote Conditions & Clash Avoidance
Yuan Hai Zi Ping Classics Theorem: YH V7 025 er zhi yin yang xiang sheng li dreads Earthly Branch Six Clashes, Three Punishments, and Voidness. Branch clashes break structural harmony.