Union
$$A \cup B =$$
{ acts of service, anger, avarice, envy, gluttony, lust, physical touch, pride, quality time, receiving gifts, sadness, words of affirmation }
Symmetric Difference
$$A \ominus B =$$
{ acts of service, anger, avarice, envy, gluttony, lust, physical touch, pride, quality time, receiving gifts, sadness, words of affirmation }
Cartesian Product
$$A \times B =$$
{ (anger, acts of service),
(anger, physical touch),
(anger, quality time),
(anger, receiving gifts),
(anger, words of affirmation),
(avarice, acts of service),
(avarice, physical touch),
(avarice, quality time),
(avarice, receiving gifts),
(avarice, words of affirmation),
(envy, acts of service),
(envy, physical touch),
(envy, quality time),
(envy, receiving gifts),
(envy, words of affirmation),
(gluttony, acts of service),
(gluttony, physical touch),
(gluttony, quality time),
(gluttony, receiving gifts),
(gluttony, words of affirmation),
(lust, acts of service),
(lust, physical touch),
(lust, quality time),
(lust, receiving gifts),
(lust, words of affirmation),
(pride, acts of service),
(pride, physical touch),
(pride, quality time),
(pride, receiving gifts),
(pride, words of affirmation),
(sadness, acts of service),
(sadness, physical touch),
(sadness, quality time),
(sadness, receiving gifts),
(sadness, words of affirmation) }
The Five Love Languages