ratiocinatio
λέγεις, ἃ δὲ λέγεις ἕνεκα τοῦ λαβεῖν λέγεις → you speak, but you say what you say for the sake of gain (Menander, fr. 776)
Latin > English (Lewis & Short)
rătĭōcĭnātĭo: ōnis, f. id., a rhet. and archit. t. t.
I In rhet.
1 An exercise of the reasoning powers, calm reasoning, ratiocination (opp. impulsio, a passionate feeling, impulse; cf. argumentatio): ratiocinatio est diligens et considerata faciendi aliquid aut non faciendi excogitatio, Cic. Inv. 2, 5, 18: etiam sapientiae studiosos maxime medicos esse, si ratiocinatio hoc faceret, Cels. 1, praef. § 49.—
2 A certain form of reasoning, a syllogism: ratiocinatio est oratio ex ipsā re probabile aliquid eliciens, quod expositum et per se cognitum, suā se vi et ratione confirmet, Cic. Inv. 1, 34, 57; cf.: si ex alio colligitur aliud, nec improprium nec inusitatum nomen est ratiocinationis, Quint. 8, 4, 16; Cic. Inv. 2, 50, 152; Quint. 5, 10, 6; 3, 6, 15; 5, 14, 5 al.—
3 A rhet. figure, reasoning in an interrogative form: ratiocinatio est, per quam ipsi a nobis rationem poscimus, quare quidque dicamus, etc., Auct. Her. 4, 16, 23.—
II In archit., theory (opp.: fabrica, practice): ratiocinatio est, quae res fabricatas solertiā ac ratione proportionis demonstrare atque explicare potest, Vitr. 1, 1, 1; 15.
Latin > French (Gaffiot 2016)
rătĭōcĭnātĭō, ōnis, f. (ratiocinor),
1 raisonnement, calcul raisonné, réflexion : Cic. Inv. 2, 18
2 syllogisme : Cic. Inv. 1, 57
3 sorte de subjection [fig. de rhét.]: Her. 4, 23
4 théorie [en architecture] : Vitr. Arch. 1, 1, 1.
