quod erat demonstrandum


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quod erat demonstrandum

(ˈkwɒd ˈɛræt ˌdɛmənˈstrændʊm)
1. (Logic) (at the conclusion of a proof, esp of a theorem in Euclidean geometry) which was to be proved. Abbreviation: QED
2. (Mathematics) (at the conclusion of a proof, esp of a theorem in Euclidean geometry) which was to be proved. Abbreviation: QED

quod erat demonstrandum

A Latin phrase meaning which was to be demonstrated, the full form of the abbreviation Q.E.D., used to show that something has been proved.
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or quod erat demonstrandum means 'which was to be shown.
ANEXO MIL TRESCIENTOS VEINTE) EN CUYA BOCA, QUOD ERAT DEMONSTRANDUM, EL ACUSADO PUSO EXPRESIONES QUE COMETEN VIOLENCIA DE GENERO, ABUSO DE MENORES, DISCRIMINACION DE CLASE, CIPRIANOFOBIA Y EMPLEO DE PALABRAS ALTISONANTES.
pelting the explorers below- This recalls the Yahoos in Gulliver's Travels (1726), Book 4 50: Quod erat demonstrandum (Which was to be proved)- Euclid, Elements 51: A time to gather stones together, a time to cast away stones- Ecclesiastes 3:8