Union
$$A \cup B =$$
{ compassion, courage, earth, fire, honesty, honor, integrity, loyalty, respect, self-control, void, water, wind }
Symmetric Difference
$$A \ominus B =$$
{ compassion, courage, earth, fire, honesty, honor, integrity, loyalty, respect, self-control, void, water, wind }
Cartesian Product
$$A \times B =$$
{ (compassion, earth),
(compassion, fire),
(compassion, void),
(compassion, water),
(compassion, wind),
(courage, earth),
(courage, fire),
(courage, void),
(courage, water),
(courage, wind),
(honesty, earth),
(honesty, fire),
(honesty, void),
(honesty, water),
(honesty, wind),
(honor, earth),
(honor, fire),
(honor, void),
(honor, water),
(honor, wind),
(integrity, earth),
(integrity, fire),
(integrity, void),
(integrity, water),
(integrity, wind),
(loyalty, earth),
(loyalty, fire),
(loyalty, void),
(loyalty, water),
(loyalty, wind),
(respect, earth),
(respect, fire),
(respect, void),
(respect, water),
(respect, wind),
(self-control, earth),
(self-control, fire),
(self-control, void),
(self-control, water),
(self-control, wind) }
Bagua