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?
P. and V. λόγος, ὁ, Ar. and P. λογισμός, ὁ.
ratiocination: P. συλλογισμός, ὁ.