| Answer | Crossword Clue |
|---|---|
| QED | Math-proof initials |
| THEOREM | Math proof |
| QED | Math proof |
| QED | Math-proof letters |
| QED | Math proof letters |
| QED | Math proof abbr. |
| QED | Math proof ender |
| QED | Math proof ending |
| QED | Math proof-ending letters |
| QED | Math prof's proof ender |
| QED | Abbr. ending a math proof |
| QED | End of a math proof |
| QED | Last letters of a math proof |
| RIGOR | Quality of a good math proof |
| AXIOM | Math proposition that needs no proof |
| THEOREM | Statement backed by a proof, in math |
