Union
$$A \cup B =$$
{ annotate, artha, dharma, encode, kama, moksha, ponder, read }
Symmetric Difference
$$A \ominus B =$$
{ annotate, artha, dharma, encode, kama, moksha, ponder, read }
Difference
$$A - B =$$
{ artha, dharma, kama, moksha }
Difference
$$B - A =$$
{ annotate, encode, ponder, read }
Cartesian Product
$$A \times B =$$
{ (artha, annotate),
(artha, encode),
(artha, ponder),
(artha, read),
(dharma, annotate),
(dharma, encode),
(dharma, ponder),
(dharma, read),
(kama, annotate),
(kama, encode),
(kama, ponder),
(kama, read),
(moksha, annotate),
(moksha, encode),
(moksha, ponder),
(moksha, read) }
Puruṣārtha