成唯識論演祕 2.802

2.802

小乘雖立真等三種，文不顯說故云伏也，此據前難無小乘說。

Although the Hīnayāna posits the three things such as the real, the text does not state it explicitly, hence it is called "implicit"; this relies on the previous objection where there was no explicit Hīnayāna statement.