ἀπόφᾰσις · apophasis — LSJ
denial, negation, a predication, away from, negation, negation, exclusion
denial, negation, opp. κατάφασις, Pl. Sph. 263e; ἀ. ἐστιν ἀπόφανσίς τινος ἀπό τινος a predication of one thing away from another, i.e. negation of it, Arist. Int. 17a25, cf. APo. 72a14; ἀ. τινός negation, exclusion of a thing, Pl. Cra. 426d; δύο ἀ. μίαν κατάφασιν ἀποτελοῦσι Luc. Gall. 11.
II negative particle, sign of negation
negative particle, e.g. οὐ, A.D. Adv. 124.8, al.; sign of negation, Stoic. 2.52 (pl.).