Union
$$A \cup B =$$
{ anger, avarice, brainstem, cerebellum, cerebrum, envy, gluttony, lust, pride, sadness }
Symmetric Difference
$$A \ominus B =$$
{ anger, avarice, brainstem, cerebellum, cerebrum, envy, gluttony, lust, pride, sadness }
Difference
$$B - A =$$
{ anger, avarice, envy, gluttony, lust, pride, sadness }
Cartesian Product
$$A \times B =$$
{ (brainstem, anger),
(brainstem, avarice),
(brainstem, envy),
(brainstem, gluttony),
(brainstem, lust),
(brainstem, pride),
(brainstem, sadness),
(cerebellum, anger),
(cerebellum, avarice),
(cerebellum, envy),
(cerebellum, gluttony),
(cerebellum, lust),
(cerebellum, pride),
(cerebellum, sadness),
(cerebrum, anger),
(cerebrum, avarice),
(cerebrum, envy),
(cerebrum, gluttony),
(cerebrum, lust),
(cerebrum, pride),
(cerebrum, sadness) }
Seven deadly sins