因明入正理論疏 3.133

3.133

述曰：辯能立，有有二：初明能立有、次牒計顯成。准前應言：彼說諸業體是無常，無質礙故。牒計顯有，以影彰無，亦准於兩俱、隨一等過，思之可悉。

The Commentary states: In analyzing the probans, there are two parts: first, explaining the presence of the probans; next, citing their doctrinal assertion to demonstrate its establishment. By analogy with the above, it should say: 'because they assert that the substance of actions is impermanent and free from corporeal obstruction.' Citing their assertion demonstrates its presence, thereby implicitly revealing its absence [as an exclusionary example]. This should also be understood by analogy with the fallacies of both, one party, and so forth; reflecting upon it makes it clear.