Note 19 — Chapter VII · THE FOUNDATIONS OF PHYSICS.
Reading edition
κενὸν μὲν εἶναί φασι τὸ οἷόν τε ὑπὸ ὄντος κατέχεσθαι, μὴ κατεχόμενον δὲ Sext. math. x. 3 (Arnim ii 505); τὸ μὲν οὖν κενὸν ἄπειρον εἶναι λέγεσθαι· τὸ γὰρ ἐκτὸς τοῦ κόσμου τοιοῦτ’ εἶναι, τὸν δὲ τόπον πεπερασμένον διὰ τὸ μηδὲν σῶμα ἄπειρον εἶναι Ar. Did. (as note 18).