διαλεκτ-ικός · dialekt-ikos — LSJ
conversational, χορός Demetr. Eloc. 167.
δ. ὄργανα organs of articulate speech, opp. φωνητικά, Gal. 16.204.
skilled in dialectic, ὁ ἐρωτᾶν καὶ ἀποκρίνεσθαι ἐπιστάμενος Pl. Cra. 390c; ἦ καὶ δ. καλεῖς τὸν λόγον ἑκάστου λαμβάνοντα τῆς οὐσίας; Id. R. 534b; dialectical, Arist. Metaph. 995b23; δ. συλλογισμός Id. Top. 100a22; πρὸς τοὺς δ., title of work by Metrodorus, D.L. 10.24, cf. Phld. Rh. 1.279 S., al.
ἡ διαλεκτική (sc. τέχνη) dialectic, discussion by question and answer, invented by Zeno of Elea, Arist. Fr. 65; philosophical method, ὥσπερ θριγκὸς τοῖς μαθήμασιν ἡ δ. ἐπάνω κεῖται Pl. R. 534e: τὸ -κόν Id. Sph. 253e; περὶ -κῆς, title of work by Cleanthes, D.L. 7.174.
the logic of probabilities, ἡ δ. πειραστικὴ περὶ ὧν ἡ φιλοσοφία γνωριστική Arist. Metaph. 1004b25, cf. Rh. 1354a1.
Adv. -κῶς dialectically, Pl. Phlb. 17a, etc.; for the sake of argument, opp. κατʼ ἀλήθειαν, Arist. Top. 105b31, cf. de An. 403a2; by argument on general principles, opp. scientifically, Phld. Rh. 2.134 S., Mus. p.89 K.: Comp. -ώτερον Pl. Men. 75d; more logically, Dam. Pr. 97.