因明入正理論疏 3.183

3.183

述曰：下明比量，文分為四：初牒名、二出體、三釋義、四結名。此即初也。

The Commentary says: Below, inference is explained. The text is divided into four parts: first, stating the name; second, showing the essence; third, explaining the meaning; fourth, concluding the name. This is the first.