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Cartesian Product of Sets

definitionCombinatoricsdef:cartesian-product-sets-2026a
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Reason: Publish foundational Cartesian product notation for later operation definitions. · 114 chars · 0 deps · depth 0

Statement

Let XX and YY be sets. Their Cartesian product is the set

X×Y={(x,y):x∈X and y∈Y}.X\times Y=\{(x,y): x\in X \text{ and } y\in Y\}.
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currentCartesian Product of Setsdef:cartesian-product-sets-2026a

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