Across
- 4. A relation obtained by interchanging or swapping the elements
- 5. A set whose elements can not be counted
- 7. A grouping of its elements into non-empty subsets,in such a way that every elements is included in exactly on subset
- 8. A special correspondence between the elements of two algebratic systems, such as two groups
- 9. Is an approach to Boolean logic that expresses formulas as conjunctions of clauses with And or Or
Down
- 1. The set of all ordered pairs (x,y) such that x belongs to A and y belongs to B
- 2. An expression of one or more variables defined on some specific domain
- 3. A function f that maps an element x to every element y
- 6. A pair of sets which doesn't have any common elements