QEF
Appearance
English
[edit]Etymology 1
[edit]From Latin quod erat faciendum (“what was to have been done”), from Ancient Greek ὅπερ ἔδει ποιῆσαι (hóper édei poiêsai).
Phrase
[edit]QEF
- “quod erat faciendum”, “what was to have been done” – used to end a mathematical passage other than a proof.
Usage notes
[edit]Much less used than QED. Traditionally used to end passages other than proofs, such as geometric constructions – a “how-to”, not a persuasive argument.
Related terms
[edit]Etymology 2
[edit]Pronunciation
[edit]Noun
[edit]QEF (plural QEFs)
- (taxation) Acronym of qualified election fund