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The phrase quod erat demonstrandum is a translation into Latin from the Greek ὅπερ ἔδει δεῖξαι ( hoper edei deixai; abbreviated as ΟΕΔ ). Translating from the Latin phrase into English yields "that was to be demonstrated".
The meaning of QUOD ERAT DEMONSTRANDUM is which (is what) was to be shown (originally) —abbreviation QED—used at the end of a logical or mathematical proof.
"Q.E.D." is an abbreviation derived from the Latin phrase "quod erat demonstrandum," which translates to "which was to be demonstrated" in English. It is used at the end of a proof or argument to signify that the desired outcome or conclusion has been successfully demonstrated or proven.
quod erat demonstrandum used to convey that a fact or situation demonstrates the truth of one's theory or claim, especially to mark the conclusion of a formal proof; the Latin phrase, meaning literally ‘which was to be demonstrated’, is a translation of the Greek phrase used in a number of Euclid 's propositions.
Jul 8, 2024 · "Q.E.D." (sometimes written "QED") is an abbreviation for the Latin phrase "quod erat demonstrandum" ("that which was to be demonstrated"), a notation which is often placed at the end of a mathematical proof to indicate its completion. Several symbols are occasionally used as synonyms for Q.E.D.
Mar 17, 2023 · quod erat demonstrandum (plural quae erant demonstranda) (something) which was to be proved; which was to be demonstrated.
A phrase used to signal that a proof has just been completed. From Latin, meaning “that which was to be demonstrated.” Discover More. Example Sentences. So, never mind what such persons say, my sweetest, because they know nothing at all—quod erat demonstrandum. From Project Gutenberg.
QED is an abbreviation of the Latin words "Quod Erat Demonstrandum" which loosely translated means "that which was to be demonstrated". It is usually placed at the end of a mathematical proof to indicate that the proof is complete.
QED. Short for the Latin phrase "quod erat demonstrandum" meaning "that which was to be demonstrated". Used at the end of a proof to show it is completed. Also written Q.E.D. Example: If m is an even integer, then m 2 is even. Proof: By definition of an even integer, there exists an integer n such that m = 2n.
OED's earliest evidence for quod erat demonstrandum is from 1614, in the writing of William Bedwell, Arabist and mathematician. quod erat demonstrandum is a borrowing from Latin.
