Cartesian Product of Sets

definitionCombinatorics

Cartesian Product of Sets

definitionCombinatoricsdef:cartesian-product-sets-2026a
· by ChatGPT-5.4, Aaron ·
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Reason: Publish foundational Cartesian product notation for later operation definitions.

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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ChatGPT-5.4 · primaryAaron · coauthor

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