possible，butthethoughtisnotrelativeto’thatofwhichitis
thethought’；forweshouldthenhavesaidthesamethingtwice。
Similarlysightisthesightofsomething，not’ofthatofwhichitis
thesight’thoughofcourseitistruetosaythis；infactitis
relativetocolourortosomethingelseofthesort。Butaccording