Answer:

Q

E

D

We have spotted QED (3 Letters) a total of 24 times in our database. Below you may see the clues associated with QED and also when and where was it last seen:

Referring crossword puzzle clues

• And that’s that in proofs
• Logician's conclusion
• End of a proof
• Math class ta-da!
• Letters at the end of a mathematical proof
• Proof finale in brief
• Letters at a proof's end
• Proof letters

Usage among publishers:

• Wall Street Journal: Nov 21, 2024
• USA Today: Jul 14, 2024
• Universal: Apr 25, 2024
• Newsday: Dec 21, 2023
• New York Times: Oct 7, 2023
• Universal: Aug 11, 2023
• Wall Street Journal: May 2, 2023
• LA Times: Mar 30, 2023
• USA Today: Feb 20, 2023
• Wall Street Journal: Jan 21, 2023
• Thomas Joseph: Nov 5, 2022
• New York Times: Oct 12, 2022
• Wall Street Journal: Feb 26, 2022