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Aug 10, 2011
And some smart-alec students like to think it's short for "quite easily done".
 
 
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Jul 9, 2011
My circuits 1 professor was Indian and said that, when he was in school in India, the students used QED to mean "Queen Elizabeth dead".
 
 
May 22, 2011
i like dogberts hat
 
 
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Feb 2, 2011
You learn something new every day.
 
 
Aug 28, 2009
Q.E.D. is an abbreviation of the Latin phrase quod erat demonstrandum, which literally means "which was to be demonstrated". The phrase is written in its abbreviated form at the end of a mathematical proof or philosophical argument to signify that the last statement deduced was the one to be demonstrated; the abbreviation thus signals the completion of the proof.
 
 
 
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