ἆρά γε λόγον ἔχει δυοῖν ἀρχαῖν, ὑλικῆς τε καὶ δραστικῆς → does it in fact have the function of two principles, the material and the active?
pqp. de θάλλω.
ἐτεθήλειν: ppf. к θάλλω.