| Answer | Crossword Clue |
|---|---|
| semigroup | a mathematical group that is closed under an associative binary operation |
| Answer | Crossword Clue |
|---|---|
| semigroup | a mathematical group that is closed under an associative binary operation |
Crossword
a puzzle consisting of a grid of squares and blanks into which words crossing vertically and horizontally are written according to clues.