| Answer | Crossword Clue |
|---|---|
| ERAT | Proof-ending word |
| ERAT | Word in a proof ending |
| QED | Proof ending |
| QED | Proof-ending abbr. |
| QED | Proof-ending abbreviation |
| QED | Math proof ending |
| QED | Proof-ending letters |
| QED | Logician's proof ending |
| QED | Proof-ending trigram |
| QED | Math proof-ending letters |
| QED | Abbr. ending a math proof |
| QUEENSIZEQED | Royal ending to a mathematical proof? |
