Union
$$A \cup B =$$
{ air, annotate, earth, encode, fire, ponder, read, vegetable, water }
Symmetric Difference
$$A \ominus B =$$
{ air, annotate, earth, encode, fire, ponder, read, vegetable, water }
Difference
$$A - B =$$
{ air, earth, fire, vegetable, water }
Difference
$$B - A =$$
{ annotate, encode, ponder, read }
Cartesian Product
$$A \times B =$$
{ (air, annotate),
(air, encode),
(air, ponder),
(air, read),
(earth, annotate),
(earth, encode),
(earth, ponder),
(earth, read),
(fire, annotate),
(fire, encode),
(fire, ponder),
(fire, read),
(vegetable, annotate),
(vegetable, encode),
(vegetable, ponder),
(vegetable, read),
(water, annotate),
(water, encode),
(water, ponder),
(water, read) }
Jīva (Jainism)