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The '''Cartesian product''' of 2 sets ''A'' and ''B'' is the set (usually denoted by ''A × B'') consists of all ordered pairs ''(a, b)'' where <math>a \in A</math> and <math>b \in B</math>. The Cartesian product is named after [[René Descartes]] who invented this concept.
The '''Cartesian product''' of 2 sets ''A'' and ''B'' is the set (usually denoted by ''A × B'') consisting of all ordered pairs ''(a, b)'' where <math>a \in A</math> and <math>b \in B</math>. The Cartesian product is named after [[René Descartes]], who invented this concept.
[[category:set theory]]
[[category:set theory]]