bold = Main text
  Liber, Caput     grey = Comment text

1     Int,       I|      the year 68 B.C., when the series of letters begins, Cicero
2     Int,      II|      some put forward by a long series of English thinkers from
3      II,     VII|        est, ille canis.' Cetera series deinde sequitur, maiora
4     Not,       1| conclusio or syllogism put as a series of questions. Cf. Paradoxa
5     Not,       1|         ειρμος αιτιων, causarum series sempiterna (De Fato 20,
6     Not,       2|         always in the form of a series of questions, cf. De Div.