ἀντιστρέφω

English (LSJ)

pf. -έστροφα,

   A turn to the opposite side:—Pass., to be turned in the opposite direction, μόχλος ἀντεστραμμένος reversed lever, Ph.Bel.59.25; turn and look at, Aristaenet.1.4: also c. acc., οὐδ' ἀ. ὃ λέγουσιν cast a glance at, Phld.Rh.1.245S. Adv. ἀντεστραμμένως Arist.IA712a4.    2 intr., wheel about, face about, X. Ages.1.16.    II retort an argument, τοὺς λόγους Arist.Top.163a30, cf. APr.59b1; αἰτίας Procop.Pers.1.16.    III correspond, ἀλλήλοις Anon.in Tht.19.47.    IV in Logic, to be convertible, Arist. Cat.14b11, al.; τὰ γένη κατὰ τῶν εἰδῶν κατηγοπεῖται, τὰ δὲ εἴδη κατὰ τῶν γενῶν οὐκ ἀντιστπέφει are not conversely predicable of genera, ib. 2b21: impers., ἀντιστρέφει the relation is reciprocal, Id.GC337b23, cf. de An.423a21, Pr.883b8; περὶ ἀντιστπεφόντων λόγων καὶ συνημμένων complementary propositions, title of work by Chrysipp.: so of metaphors, Anon.Fig.p.228S.    2 most freq. in the doctrine of syllogism, of reduction by conversion of one of the premisses, Arist. APr.50b25; either of the terms, τὸ Β τῷ Α ἀντιστρέφει the term B is convertible with A, ib.67b30,al.; τὸ Γ πρὸς τὸ Α ἀ. ib.38; ἀ. τὸ καθόλου τῷ κατὰ μέρος ib.31a27, al.; or of the propositions, ib.25a8, al.; ἀ. καθόλου to be simply convertible, ib.28; ἀ. ἐπὶ μέρους, ἐν μέρει, κατὰ μέρος, ib.39a15, 25a8,10.    3 in Pass., of propositions, to be converted or changed into their opposites, Id.APr.45b6, APo.80b25, al.    4 to be interdependent, have a reciprocal nexus, τὰ μὲν οὖν ἀ. . . καὶ ποιητικὰ ἀλλήλων καὶ παθητικὰ ὑπ' ἀλλήλων Id.GC328a19: hence of cyclical argument, ἐν μόνοις τοῖς ἀ. κύκλῳ καὶ δι' ἀλλήλων (sc. αἱ ἀποδείξεις) Id.APr.58a13, cf. APo.95b40, GC337b23.    5 generally, to be suited conversely for one or another purpose, ὁ τόπος ἀντιστπέφει πρὸς τὸ ἀνασκευάζειν καὶ κατασκευάζειν Id.Top.109b25; ἀ. πρὸς ἄμφω ib.112a27,al.    V pf. part. Pass., conversely opposed, of concavities, facing one another, ἀντεστραμμένα πρὸς ἄλληλα Id.HA498a8; but, back to back, Plb.6.32.6.    2 in Logic, converted, συλλογισμὸς -μμένος Arist.APr.44a31; πρότασις ib.58a1; ἀ. τῇ πάχνῃ ὁ εὐρώς its converse, Id.GA784b16; ἡ ἀ. πρόσθεσις Id.Ph.207a23.    3 Adv. ἀντεστραμμένως inversely, ib.206b5; conversely, PA684b35, IA712a4, al.; in Logic, opposedly, Id.Int.22a34.    VI of lyrics, possess strophe and antistrophe, Aristid.Quint.1.29, Sch.Ar.Ach.1037, Sch.Heph. p.167C.    VII of grammatical construction, to be inverted, A.D. Synt.180.16,al.