οὐκοῦν,
Doric dialect οὐκῶν, adverb, composed, like{οὔκουν}, of οὐκ and οὖν, but differing in meaning and accent,[[compare 2nd c.AD: Apollonius Dyscolus Grammaticus “de Conjunctionibus;” 257.18s qq., Hdn.Gr. 1.516, 2nd c.AD: Phrynichus Atticista “Praeparatio Sophistica” p.98B. ] Refs 2nd c.AD+]
__I in questions, inviting assent to an inference, or to an addition to what has already received assent, οὐκοῦν δοκεῖ σοι.. ; you think then, do you not, that.. ? [[ 5th-6th c.BC: Xenophon Historicus “Institutio Cyri (Cyropaedia)” 2.4.15, “Mem.” 1.4.5, compare 4.2.20, 5th-6th c.BC: Plato Philosophus “Protagoras” 332b, 360b -d, “Cra.” 416c, etc.: with hortatory ] Refs 5th c.BC+]subjunctive, οὐκοῦν καὶ ἄλλους σε φῶμεν δυνατὸν εἶναι ποιεῖν (i.e. ῥήτορας ἀγαθούς) ; [[ [prev. author] “Grg.” 449b: followed by οὐ] Refs] when a negative answer is invited, οὐκοῦν οὐκ ἂν εἴη τὸ μὴ λυπεῖσθαί ποτε ταὐτὸν τῷ χαίρειν ;[[ [prev. author] “Phlb.” 43d, compare “Phd.” 105e ] Refs]; οὐκοῦν οὐδ᾽ ἂν εἷς ἀντείποι ; [[ 4th c.BC: Demosthenes Orator 16.4. ] Refs 4th c.BC+]
__II in affirmative sentences, surely then, οὐκοῦν, εἰ ταῦτα ἀληθῆ, πολλὴ ἐλπὶς ἀφικομένῳ οἷ ἐγὼ πορεύομαι [[ 5th-6th c.BC: Plato Philosophus “Phaedo” 67b: with ] Refs 5th c.BC+]subjunctive or imperative, οὐκοῦν διδάσκωμεν αὐτόν, ἀλλὰ μὴ λοιδορῶμεν let us teach him, then, [[ [prev. author] “La.” 195a ] Refs]; οὐκοῦν.. ἱκανῶς ἐχέτω let this then suffice, [[ [prev. author] “Phdr.” 274b, compare 278b, 2nd c.AD: Lucianus Sophista “DMort.” 23.3; οὐκοῦν ἂν ἤδη.. λέγοι 5th-6th c.BC: Aristophanes Comicus “Pax” 43 ] Refs 5th c.BC+]: with a prohibition, οὐκοῦν μὴ.. αὐτομολήσῃς [[ 4th c.BC: Aeschines Orator 1.159 ] Refs 4th c.BC+]; οὐκοῦν ὑπόλοιπον δουλεύειν slavery, then, is the only alternative, [[ 4th c.BC: Demosthenes Orator 8.59. ] Refs 4th c.BC+]