φιλοσοφία
δύο ἀρνήσεις μίαν συγκατάθεσιν ποιοῦσι → two negatives make an affirmative
English (LSJ)
ἡ,
A love of knowledge, pursuit there of, speculation, Isoc.12.209, Pl.Phd.61a, Grg. 484c, al.; ἡ φ. κτῆσις ἐπιστήμης Id.Euthd.288d; defined as ἄσκησις ἐπιτηδείου τέχνης, Stoic. in Placit. 1 Prooem.2. 2 systematic, methodical treatment of a subject, ἐμπειρίᾳ μέτιθι καὶ φιλοσοφίᾳ Isoc.2.35; ἡ περὶ τὰς ἔριδας φ. scientific treatment of argumentation, Id.10.6; ἡ περὶ τοὺς λόγους φ. the study of oratory, Id.4.10: pl., οἱ ἐν ταῖς φ. πολὺν χρόνον διατρίψαντες Pl.Tht.172c; τέχναι καὶ φ. Isoc.10.67. 3 philosophy, Id.11.22, Pl.Def.414b, etc.; ἱστορία φ. ἐστὶν ἐκ παραδειγμάτων D.H.Rh.11.2:—Isoc. usu. prefixes the Art., 2.51, 5.84, 7.45 (but cf. 2.35 supr.); sts. also in Pl. and Arist., as Pl.Grg.482a, Arist. Metaph.993b20, EN1177a25, and so later, διὰ τῆς φ. καὶ κενῆς ἀπάτης Ep.Col.2.8; but more freq. without Art., τοῖς ἐν φιλοσοφίᾳ ζῶσιν Pl. Phd.68c, al., cf. Arist.Pol.1341b28, al. (cf. Πλάτων καὶ φ. Plu.2.176d); exc. when an Adj. or some qualifying word is added to ἡ θεία φ. Pl.Phdr.239b; ἐκείνου τῇ φ. Id.Ly.213d; ἡ περὶ τὰ ἀνθρώπεια φ. Arist.EN1181b15; ἡ τῶν Ἰταλικῶν φ. Id.Metaph.987a31 (and pl., αἱ εἰρημέναι φ. ib.29); so later ἡ Ἰωνικὴ φ. D.L.1.122; ἡ δογματική, Ἀκαδημαϊκή, σκεπτικὴ φ. S.E.P.1.4, etc.; ὁ Ἐμπεδοκλῆς ἐν ἀρχῇ τῆς φ. Plu.2.607c, etc.; esp. ἡ πρώτη φ. metaphysic, Arist.Metaph. 1026a24, cf. 18.