成唯識論了義燈 7.184

7.184

又解：但緣真見道法。五十五云「緣先世智曾所觀察等」者，「緣」謂緣藉因緣，非所慮緣。二解前勝，若不緣前，如何言苦法智忍？如三無生忍，非不緣印立彼三忍，故此名忍，定亦緣前。

Another explanation: It only takes the dharmas of the true seeing path as cognitive objects. When fascicle fifty-five says "taking as cognitive objects what was previously contemplated by the former mundane wisdom, etc.," "taking as cognitive objects" means relying upon as causal conditions, not as objects of deliberate consideration. Between the two explanations, the former is superior. If it did not take the preceding as cognitive object, how could it be called the forbearance of dharma-wisdom regarding duḥkha? Just as the three forbearances of non-arising are not established as those three forbearances without taking [objects] as cognitive objects and approving them, so this is named forbearance, which definitely also takes the preceding as cognitive object.