quod erat demonstrandum

English

Etymology

Borrowed from Latin quod erat dēmonstrandum (that which was to be proved), calqued from Ancient Greek ὅπερ ἔδει δεῖξαι (hóper édei deîxai, precisely what was required to be proved).

Phrase

quod erat demonstrandum (plural quae erant demonstranda)

  1. (something) which was to be proved; which was to be demonstrated.

Derived terms

Translations


Latin

Etymology

Literally meaning "(that) which was to be demonstrated".

Pronunciation

  • (Classical) IPA(key): /kʷod ˈe.rat deː.monˈstran.dum/, [kʷɔd ˈɛ.rat deː.mõːˈstran.dũ]
  • (Ecclesiastical) IPA(key): /kwod ˈe.rat de.monˈstran.dum/, [kwod ˈeː.rat de.monˈstran.dum]

Phrase

quod erat dēmōnstrandum (plural quae erant dēmōnstranda)

  1. which was to be proved; which was to be demonstrated.

Derived terms

  • q. e. d., Q. E. D., QED

Portuguese

Phrase

quod erat demonstrandum

  1. quod erat demonstrandum (which was to be demonstrated)

Synonyms

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