Noun
the set of elements common to two or more sets
Source: WordNetthe set of red hats is the intersection of the set of hats and the set of red things Source: Internet
All three can similarly be defined for the Cartesian product of more than two sets. Source: Internet
A relation from a domain A to a codomain B is a subset of the Cartesian product A × B. Given this concept, we are quick to see that the set F of all ordered pairs (x, x 2 ), where x is real, is quite familiar. Source: Internet
¡ Apply the link to the left once if ¬ returned a non-empty array, zero timed if it returned 0. $ Monadic chain: ߀ Map the main link over x. Œp Take the Cartesian product. Source: Internet
;Column order significance :The order of columns in an SQL table is defined and significant, one consequence being that SQL's implementations of Cartesian product and union are both noncommutative. Source: Internet
In analogy to the product order this is the product direction on the Cartesian product. Source: Internet