bold = Main text
  Liber, Caput     grey = Comment text

1     Not,       1| naturam: the πεμπτη ουσια or πεμπτον σωμα of Aristotle, who proves
2     Not,       1|    eternal), is the αιθηρ or πεμπτον σωμα, that fiery external
3     Not,       1|      where Arist. placed his πεμπτον σωμα Any one who will compare