因明入正理論疏 3.198

3.198

述曰：第四結名。由藉三相因，比度知有火、無常等，故是名比量。故是二字，如前應知。

The Commentary says: The fourth [part] concludes the name. Because one infers and knows that there is fire, impermanence, and so forth by relying on the reason of three characteristics, this is called inference. The two words "this is" should be understood as before.