Porphyrios: Pros Markellan. Porphyrios, τη̑ς ἀληθινη̑ς σοφίας ἐραστής

This study treats the brief of Porphyry to Marcella. The short literary work can as a philosophical protrepticus to interpret, that include the six principal proposition of the Neoplatonic philosophy, what Ammonios in his Isagoge formulated at the close of the 5c AC