Letters at the end of a proof
The crossword clue "Letters at the end of a proof" is answered by QED, a 3-letter entry. Used 9 times across 8 distinct years; most recently in 2026; first recorded in 2008. It appears in 5 publications in the xd corpus.
The answer
QED
3 letters. See every clue for this answer on the QED answer page.
Used 9 times across 8 distinct years; most recently in 2026; first recorded in 2008. It appears in 5 publications in the xd corpus. Frequency and last-seen figures come from the xd crossword corpus only.
Other clues for QED
Every other clue in this collection answered by QED, most used first.
- Proof letters - used 78 times, most recently in 2025
- Proof-ending letters - used 25 times, most recently in 2024
- Proof abbr. - used 22 times, most recently in 2015
- Letters after a proof - used 19 times, most recently in 2008
- Proof-ending abbr. - used 13 times, most recently in 2026
- Proof ender - used 10 times, most recently in 2022
- Logical conclusion - used 9 times, most recently in 2019
- Math-proof letters - used 9 times, most recently in 2010
- End of a proof - used 8 times, most recently in 2026
- End-of-proof letters - used 8 times, most recently in 2025
- Proof ending - used 8 times, most recently in 2018
- Proof finale - used 8 times, most recently in 2025
- Math class abbr. - used 6 times, most recently in 2017
Related clues
Clues in this collection of the same answer length that share a word with this clue, or match its answer pattern when no word is shared. Most used first.
- In the past - AGO, used 1,064 times
- In the style of - ALA, used 784 times
- Under the weather - ILL, used 536 times
- "___ the season ..." - TIS, used 398 times
- To the ___ degree - NTH, used 389 times
- In the manner of - ALA, used 367 times
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