I. Canonical Essence & Metaphysical Foundation
ri gui ding yi yu xiang yi：ri gui zhu feng liu ru ya，de gui ren fu chi，bu zao xiong zai，yi sheng an tai。
II. Canonical Formulas & Deduction Rules
Formula & Verse
Formula for BSS V4 ri gui:shen sha，gu you bai er shi ming，qi shuo chuan zao zhi li，zao hua kong bu ru shi。
- PROMOTE(ri gui): ri gui zhu feng liu ru ya，de gui ren fu chi，bu zao xiong zai，yi sheng an tai。
- EVALUATE(shen sha ji xiong zhi hua): shen shi shen sha feng ji xing xiang zhu huo feng chong po zhi hua
- WARN(xiong sha ying yan): kao he xing chongVoidness (Xunkong)ying xiang
- WARN(sui yun yin fa): da yun liu nian lin ci shen sha chu fa ying yan
III. Promote Conditions & Clash Avoidance
Treatise on Eight Characters Shensha Theorem: BSS V4 ri gui dreads Earthly Branch Six Clashes, Three Punishments, and Voidness. Branch clashes break structural harmony.