Plato, Laws 755d

εἶναι τῶν προβληθέντων τινός, ἐπονομάσας ἀνθʼ ὅτου ὅντινα προβάλλεται, τοῦτʼ αὐτὸ ὀμνὺς ἀντιπροβαλλέσθω τὸν ἕτερον· ὁπότερος δʼ ἂν δόξῃ διαχειροτονούμενος, εἰς τὴν αἵρεσιν ἐγκρινέσθω. τρεῖς δέ, οἷς ἂν ἡ πλείστη χειροτονία γίγνηται, τούτους εἶναι στρατηγούς τε καὶ ἐπιμελητὰς τῶν κατὰ πόλεμον, δοκιμασθέντων καθάπερ οἱ νομοφύλακες· ταξιάρχους δὲ αὑτοῖσι προβάλλεσθαι μὲν τοὺς αἱρεθέντας στρατηγοὺς

than one of those nominated, he shall state the name of his nominee and of the man whom he is to replace, and, taking the oath about the matter, he shall propose his substitute; and whichever of the two is decided on by vote shall be included in the list for selection. And the three men, who have been appointed by the majority of votes to serve as commanders and controllers of military affairs, shall be tested as were the Law-wardens. The selected commanders shall nominate for themselves taxiarchs, twelve for each tribe;