Т196
ЧТО И ТРЕБОВАЛОСЬ ДОКАЗАТЬ
collindep. sentthis form only
fixed WO used to show that some outcome was expected or predicted earlier by s.o. (when the speaker refers to his own expectation or prediction, the idiom is pronounced with satisfaction often colored by irony)
what did I tell you!
I told you so!that's just what I (he
etc) said (told you
etc) before!just as I (he
etc) predicted (expected)just as expectedI knew it all along.
From the Latin quod erat demonstrandum, a formula phrase used to conclude the proof of a theorem or the like in mathematics (attributed to the Greek mathematician Euclid, 3rd cent. B.C.).