首楞嚴義疏注經 4.256

4.256

二、別釋，二：一、明妄本無因，三：一、舉事問答，二：一、舉事。

Second, specific explanation, in two parts: first, clarifying that delusion fundamentally has no cause, in three parts: first, question and answer adducing an event, in two parts: first, adducing the event.