οὐ μὲν οὖν

A. on the contrary . . not . . , introducing a neg. statement in contradiction or correction of a preceding statement or suggestion, Ar. Pl. 870, Ra. 556, 1188 οὐδενὸς μὲν οὖν ἄξιον Pl. Euthd. 305a; ἐγώ σοι οὐκ ἂν δυναίμην ἀντιλέγειν ; Answ. οὐ μὲν οὖν τῇ ἀληθείᾳ δύνασαι ἀντιλέγειν nay it is not me, but rather truth, that you cannot gainsay, Id. Smp. 201c, cf. D. 18.140:—so οὐμενοῦν . . γε, Paus. 1.20.1; v. μέν B. 11.2.