瑜伽師地論分門記 6.5

6.5

分八中第四明色界具幾境識差別義分四。一立正義。二徵。三答所以。四明意趣。

Of the eight [parts], the fourth, explaining the meaning of the distinctions regarding how many objects and consciousnesses are possessed by the form realm, has four [parts]: 1. establishing the correct doctrine; 2. an interrogation; 3. answering the reason; 4. explaining the purport.