瑜伽師地論分門記 6.136

6.136

分二十四中第十明無常分位等分二。一總問分二如論。二廣答分二。一答分位分二。一立因。二顯果。二答其數分二。一標。二釋分三如論。

Within the division into twenty-four: the tenth, explaining the state of impermanence (anitya), etc., has two parts: (1) A general question has two parts as in the treatise. (2) An extensive answer has two parts: a. answering regarding the state has two parts: (a) establishing the cause; (b) showing the effect; b. answering its enumeration has two parts: (a) stating; (b) explaining, which has three parts as in the treatise.