New features of this version include:
- A reconstruction of the dialogue, based on the core evidence in Iamblichus' On the Common Mathematical Science xxii-xxvii and Protrepticus VI-XII, in English translation followed by Greek text (occasionally supplemented with editorial comments).
- Section on "Peripheral evidence, not in their original sequence"
- Section on "Possible further evidence, not authenticated"
- Section on "Rejected evidence, not relevant to this dialogue"