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Cartesian product noun

  • (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\}.
 kartesisches Produkt, Kreuzprodukt
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