The future with οὐ interrogative is used in questions in an imperative sense to express urgency, warning, or irony: οὐκ ἔξιμεν . . . οὐκ ἐπὶ τὴν ἐκείνου πλευσόμεθα; shall we not go forth . . . shall we not set sail against his country? 4.44, οὐ φυλάξεσθε; will you not be on your guard? 6. 25. In exhortations addressed to oneself: οὐκ ἀπαλλαχθήσομαι θῡμοῦ; shall I not cease from my passion? Med. 878.
a. μή with the future in a prohibitive sense is used in a few suspected passages ( 29.13, 23.117).