Basic Guidelines For English Spellings
READ THESE ARTICLES
Meaning of quod erat demonstrandum in English:
quod erat demonstrandum
(also QED)
exclamation
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.
Origin
Latin, literally ‘which was to be demonstrated’.
Are You Learning English? Here Are Our Top English Tips
