a. [ad. L. apodīctic-us, a. Gr. ἀποδεικτικ-ός of the nature of demonstration; f. ἀποδεικ-νύναι to show off, demonstrate. (The analogical spelling is -dict-.)] Of clear demonstration; established on incontrovertible evidence. (By Kant applied to a proposition enouncing a necessary and hence absolute truth.)
1652. Urquhart, Jewel, Wks. 1834, 291. This apodictick course … to infer consequences from infallible maximes.
1816. Coleridge, Statesm. Man., 358. In the heights of geometry … there exist truths of apodictic force in reason, which the mere understanding strives in vain to comprehend.
1877. Caird, Philos. Kant, II. iii. 242. With apodeictic certainty.
