Part of Q.E.D. (4)
(Other definitions for erat that I've seen before include "Quod - - demonstrandum (QED)" , "The E of QED" .)
I've seen this clue in The New York Times, the Penny Press, the Newsday, the LA Times, the King Feature Syndicate and The Wall Street Journal.
(Another definition for quod that I've seen is " Prison - the Q in QED".)
I've seen this clue in The New York Times, the Penny Press, the Newsday, the LA Times, the King Feature Syndicate and The Wall Street Journal.
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