QED

abbreviation from the Latin quod erat demonstrandum which literally means "which was to be shown or demonstrated." It is used at the end of the proof of some statement (especially a mathematical formula) with the meaning "Thus have we proved the proposition stated above, as we were required to do." The expression is sometimes used with the sense of "quite easily done." -Freedom Congress Glossary, Sept 90

abbreviation from the Latin quod erat demonstrandum which literally means "which was to be shown or demonstrated." It is used at the end of the proof of some statement (especially a mathematical formula) with the meaning "Thus have we proved the proposition stated above, as we were required to do." The expression is sometimes used with the sense of "quite easily done." And somebody who has been put through the TRs can then use CCH processes. QED -nothing to it. -How We Have Ad dressed the Problem of the Mind (4 July 1957) abbreviation from the Latin quod erat demonstrandum which literally means "which was to be shown or demonstrated." It is used at the end of the proof of some statement (especially a mathematical formula) with the meaning "Thus have we proved the proposition stated above, as we were required to do." The expression is sometimes used with the sense of "quite easily done."