瑜伽師地論分門記 6.71

6.71

Under the twelve divisions, the eleventh, which explains contemplation of the intention of the mutual opposition between the three feelings of pleasure and so forth, is divided into four: 1. explaining the intention of establishing names through the mutual opposition among the three feelings, divided into two: (1) question, divided into three as in the treatise, (2) answer, divided into three as in the treatise; 2. explaining the intention of the mutual opposition regarding neither-painful-nor-pleasant feeling, divided into two: (1) question, (2) answer, divided into two as in the treatise; 3. explaining the intention of the mutual opposition between vidyā and avidyā, divided into two: (1) question, (2) answer, divided into two as in the treatise; 4. explaining the intention of the mutual opposition between vidyā and nirvāṇa, divided into two: (1) question, (2) answer, divided into two as in the treatise.