大乘義章 8.14

8.14

四有義六門分別（辨相一　就時分別二　就處分別三　五陰六根有具不具四　染淨分別五　凡聖有無六）

The doctrine of the four modes of existence is distinguished in six gates: 1. Distinguishing their characteristics; 2. Distinguishing them with respect to time; 3. Distinguishing them with respect to place; 4. Whether the five aggregates and six faculties are complete or incomplete; 5. Distinguishing defilement and purity; 6. Presence and absence in ordinary beings and noble ones.