瑜伽師地論分門記 6.166

6.166

分三十中第十七明諸蘊細義分二。一總問分二如論。二廣答分二。一答細自性。二答其數。

Within the thirty divisions, the seventeenth, explaining the meaning of "subtle" regarding the skandhas, has two parts: 1. a general inquiry, having two parts as in the treatise; 2. a detailed answer, having two parts: (1) answering [regarding] the svabhāva of the subtle, (2) answering [regarding] their number.