Cartesian product A=(2,4}B={2,3,5} AXB={(2,2,(2,3),(2,5,(4,2)2(4,3),(4,5)} AXB=*B Generalizes to more than two sets AⅩBX..XZCartesian Product A = { 2, 4 } B = { 2, 3, 5 } A X B = { (2, 2), (2, 3), (2, 5), ( 4, 2), (4, 3), (4, 5) } |A X B| = |A|*|B| Generalizes to more than two sets A X B X … X Z