Union
$$A \cup B =$$
{ angry, bored, charity, chastity, diligence, happy, humility, kindness, patience, peaceful, temperance }
Symmetric Difference
$$A \ominus B =$$
{ angry, bored, charity, chastity, diligence, happy, humility, kindness, patience, peaceful, temperance }
Difference
$$A - B =$$
{ charity, chastity, diligence, humility, kindness, patience, temperance }
Cartesian Product
$$A \times B =$$
{ (charity, angry),
(charity, bored),
(charity, happy),
(charity, peaceful),
(chastity, angry),
(chastity, bored),
(chastity, happy),
(chastity, peaceful),
(diligence, angry),
(diligence, bored),
(diligence, happy),
(diligence, peaceful),
(humility, angry),
(humility, bored),
(humility, happy),
(humility, peaceful),
(kindness, angry),
(kindness, bored),
(kindness, happy),
(kindness, peaceful),
(patience, angry),
(patience, bored),
(patience, happy),
(patience, peaceful),
(temperance, angry),
(temperance, bored),
(temperance, happy),
(temperance, peaceful) }
Seven virtues