請觀音經疏闡義鈔 2.23

2.23

「一陰通除八倒」者，約境別觀，總而論故，觀一陰能除八倒。

Regarding “A single aggregate universally eliminates the eight inversions”: this is an individual contemplation in terms of the object; discussed collectively, contemplating a single aggregate can eliminate the eight inversions.