γνωσιμαχέω

A. fight with one's own opinion (τῇ προτέρᾳ γνώμῃ μάχεσθαι Phryn. PS p.59 B.), or recognize one's own fighting power (as compared with the enemy): hence, give way, submit, Hdt. 3.25, 7.130, E. Heracl. 706 (anap.), Ar. Av. 555, D.H. 3.57; γ. μὴ εἶναι ὁμοῖοι give way and confess that . . , Hdt. 8.29.

b. admit one's error, Isoc. 5.7, POxy. 1119.20 (iii A. D.), 71 ii 14 (iv A. D.).

II. in later Prose, contend obstinately, in argument, Ph. 1.526, al.; γνωσιμαχήσαντες πρὸς ἀλλήλους D.H. 9.1 (s. v. l.): abs., to be at variance, Hp. Ep. 27.