Union
$$A \cup B =$$
{ artha, dharma, interpret, kama, moksha, organize, select, stimulus }
Symmetric Difference
$$A \ominus B =$$
{ artha, dharma, interpret, kama, moksha, organize, select, stimulus }
Difference
$$A - B =$$
{ interpret, organize, select, stimulus }
Difference
$$B - A =$$
{ artha, dharma, kama, moksha }
Cartesian Product
$$A \times B =$$
{ (interpret, artha),
(interpret, dharma),
(interpret, kama),
(interpret, moksha),
(organize, artha),
(organize, dharma),
(organize, kama),
(organize, moksha),
(select, artha),
(select, dharma),
(select, kama),
(select, moksha),
(stimulus, artha),
(stimulus, dharma),
(stimulus, kama),
(stimulus, moksha) }