QED


Meaning of QED in English

( BrE ) (also Q.E.D. US , BrE ) / ˌkjuː iː ˈdiː; NAmE / abbreviation

that is what I wanted to prove and I have proved it (from Latin 'quod erat demonstrandum')

Oxford Advanced Learner's English Dictionary.      Оксфордский английский словарь для изучающик язык на продвинутом уровне.