四分律刪繁補闕行事鈔 2.44

2.44

初中五門：一辨體多少，二立兩所以即解名義，三出體狀，四先後相生，五無作多少。

In the first [section], there are five gates: first, distinguishing the number of essences; second, the reason for establishing the two, which is explaining the names and meanings; third, showing the form of the essence; fourth, their sequential mutual generation; fifth, the number of non-manifest [precepts].