俱舍論記 1.157

1.157

「既言無表至大種云何」者，此下第二明能造大。就中，一明實四大、二對假顯實。此即明實四大。牒前問起。

Regarding "Since it has been said that non-informative […] what are the great elements?": Below, this secondly clarifies the great elements that produce [matter]. Within this, first it clarifies the real four great elements, and second it contrasts them with the nominal to reveal the real. This clarifies the real four great elements. It takes up the preceding and introduces the question.