Cartesian product in German

(set theory, of two sets X and Y) The set of all possible ordered pairs of elements, the being first from X, the second from Y, written X \times Y. Formally, the set \{(x,y)\; |\; x\in X \; \text{and} \; y\in Y\}.

(set theory, of two sets X and Y) The set of all possible ordered pairs of elements, the being first from X, the second from Y, written X \times Y. Formally, the set \{(x,y)\; |\; x\in X \; \text{and} \; y\in Y\}.