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Related to quod: Quod erat demonstrandum
quod erat demonstrandum
From Latin, literally "what was to be demonstrated," formally used at the conclusion of mathematical or philosophical proofs. In everyday speech and writing, it is used to emphasize that something proves a particular point or opinion. Commonly abbreviated as "QED." If the company's profits have gone up while their operating costs have gone down, then they have the money to pay their employees a better wage—quad erat demonstrat.
See also: quod
Used in online communications to encourage or advise an Internet user to search for or look into some topic using the Google search engine. Modeled on the Latin phrase quod vide (literally, "which see"), used to refer the reader to another text that is relevant to the author's current point. Often abbreviated as "q.g." Anyone familiar with the basic laws of thermodynamics (quod Google) will be aware of the limited applications of such a device.
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.