唯識二十論述記 1.158

1.158

述曰：自下第三，總結四義得成，釋第四句頌。若言異識實境依他色等，大乘亦許是實，離識之外實有色等，大乘不成。故言「離識境無實等，而處定等四事皆成」，由此之言。

The Commentary says: From this point onward is the third [part], summarizing that the four meanings are established, explaining the fourth line of the verse. If one speaks of dependent form and the like as real objects distinct from consciousness, the Mahāyāna also accepts them as real; but that there is real form and the like separate from consciousness, the Mahāyāna does not establish. Therefore it says, "Separate from consciousness objects are without reality, etc., yet the four matters such as determination of place are all established"—hence the word "therefore".