|apə|diktik adjective
also ap·o·dic·ti·cal -tə̇kəl ; also ap·o·deic·tic -dīktik
Etymology: Latin apodicticus, from Greek apodeiktikos, from apodeiktos, verbal of apodeiknynai to demonstrate (from apo- + deiknyai to show) + -ikos -ic, -ical — more at token
1. : expressing necessary truth : absolutely certain
categories of human action … are apodictic and absolute and do not admit of any gradation — Alfred Sherrard
2. : capable of clear and certain demonstration
an apodictic theory
• ap·o·dic·ti·cal·ly -tə̇k(ə)lē adverb