κατὰ τὸ φιλόκαλον πειραθέντα κατανοῆσαι → see by working out the calculation
Phĭlŏdēmus: i, m., = Φιλόδημος,
I a famous Epicurean philosopher in the time of Cicero, the author of a work περὶ μουσικῆς, and of several epigrams, Cic. Fin. 2, 35, 119; cf. id. Pis. 29, 68, and Ascon. ad loc.
