bold = Main text
  Liber, Caput     grey = Comment text

1     Pre         |            Philosophy which is not touched upon somewhere in the Academica,
2     Int,       I| accompanied him, and they probably touched there for a few days56.
3     Int,      II|         Academica, wherever he had touched philosophy, it had been
4     Int,      IV|       exceedingly probable that he touched only very lightly on the