Abbreviated Form
If several sets are being multiplied together, e.g. X1, X2, X3, …, then some authors choose to abbreviate the Cartesian product as simply ×Xi.
Read more about this topic: Cartesian Product
Famous quotes containing the word form:
“Once out of nature I shall never take
My bodily form from any natural thing,
But such a form as Grecian goldsmiths make”
—William Butler Yeats (1865–1939)