| Webster's Online Dictionary |
| Expressions | Domain | Definition | |
| Binary relation | Math | A relation between exactly two items at a time, such as "greater than" (>), "not equal to" (), "proper subset of" (is a proper subset of), or "is connected to" (has an edge to) for vertices of a graph. (references) | |
Source: compiled by the editor from various references; see credits. | Top | ||
