Given sets \(A\) and \(B\text{,}\) we can form the set
to be the set of all ordered pairs \((x,y)\) where \(x\) is an element of \(A\) and \(y\) is an element of \(B\text{.}\) We call \(A \times B\) the Cartesian product of \(A\) and \(B\text{.}\)
in-context