瑜伽師地論分門記 2.182

2.182

別釋分十中第三明觀別離行無常性分四。一總問。二略答。三別釋分二　一明內別離無常分三。一標。二釋分二。一明未離相。二明已離相。三結　二明外別離無常分二。一標。二釋分二。一明未離相。二明已離相　四總結。

Within the specific explanations divided into ten, the third is explaining the observation of the impermanent nature of the aspect of separation, having four [sections]: 1. general question; 2. brief answer; 3. specific explanations, which has two [subsections]: (1) explaining the internal impermanence of separation, having three [parts]: a. statement, b. explanation, which has two [points]: (a) explaining the mark of not yet being separated, (b) explaining the mark of already being separated; c. conclusion; (2) explaining the external impermanence of separation, having two [parts]: a. statement, b. explanation, which has two [points]: (a) explaining the mark of not yet being separated, (b) explaining the mark of already being separated; 4. general conclusion.