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Q.E.D. or QED is an initialism of the Latin phrase quod erat demonstrandum, meaning "that which was to be demonstrated". Literally, it states "what was to be shown". [ 1 ] Traditionally, the abbreviation is placed at the end of mathematical proofs and philosophical arguments in print publications, to indicate that the proof or the argument is ...
quod erat faciendum (Q.E.F.) which was to be done: Or "which was to be constructed". Used in translations of Euclid's Elements when there was nothing to prove, but there was something being constructed, for example a triangle with the same size as a given line. quod est (q.e.) which is: quod est necessarium est licitum: what is necessary is lawful
In mathematics, the tombstone, halmos, end-of-proof, or Q.E.D. symbol "∎" (or " ") is a symbol used to denote the end of a proof, in place of the traditional abbreviation "Q.E.D." for the Latin phrase "quod erat demonstrandum". It is inspired by the typographic practice of end marks, an element that marks the end of an article. [1] [2]
Q.E.D. (quod erat demonstrandum), used at the end of a mathematical proof; Quantum electrodynamics, a field in particle physics; QED manifesto and project, a database of mathematical knowledge; QED: The Strange Theory of Light and Matter, a 1985 physics book by Richard Feynman
Cheryl Annette Burton [citation needed] (born December 25, 1962) is an American news anchor who has been working for WLS–TV, an American Broadcasting Company-owned and operated television station in Chicago, Illinois, since 1992. Burton anchors the station's 5 p.m. and 10 p.m. newscast alongside Ravi Baichwal and Rob Elgas.
Clark worked for WBBM, a CBS station. Clark began her journalism career at WBBM-TV, a CBS station in Chicago. [1] She became a CBS News correspondent [1] at a time when few women and few African Americans worked as network correspondents, and was hired at around the same time as three other women: Connie Chung, Lesley Stahl, and Sylvia Chase. [10]
The idea for the project arose in 1993, mainly under the impetus of Robert Boyer.The goals of the project, tentatively named QED project or project QED, were outlined in the QED manifesto, a document first published in 1994, with input from several researchers. [1]
Mary-Catherine Elizabeth Sullivan [1] is an American television show host, producer, and television news anchor. She was a co-anchor of the evening news for WBBM-TV in Chicago with Rob Johnson from September 2010 to September 2015. She also anchored the morning and noon news at WCBS-TV in New York (2006–2010).