quod erat demonstrandum

Latin phrase

quod erat de·​mon·​stran·​dum ˌkwȯd-ˈer-ˌät-ˌde-mən-ˈstran-dəm How to pronounce quod erat demonstrandum (audio)
: which (is what) was to be shown (originally)
abbreviation QED
used at the end of a logical or mathematical proof

Dictionary Entries Near quod erat demonstrandum

Cite this Entry

“Quod erat demonstrandum.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/quod%20erat%20demonstrandum. Accessed 10 Dec. 2023.

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