| # | Concept | Culture | Statement | Freq. |
|---|---|---|---|---|
| 1 | σ algebra | Western mathematics | The σ algebra is a fundamental concept in measure theory and probability, widely used in mathematical research and education in Western mathematics. | 2 |
| 2 | gaussian integer | Western mathematics | A gaussian integer is a complex number with integer real and imaginary parts used in Western mathematics. | 1 |