Equality
$$A \neq B$$
A is not equal to B
Subset
$$A \not\subseteq B$$
A is not a subset of or equal to B
Superset
$$A \not\supseteq B$$
A is not a superset of or equal to B
Intersection
$$A \cap B =$$
{ }
Union
$$A \cup B =$$
{ acts of service, father, holy spirit, physical touch, quality time, receiving gifts, son, words of affirmation }
Symmetric Difference
$$A \ominus B =$$
{ acts of service, father, holy spirit, physical touch, quality time, receiving gifts, son, words of affirmation }
Difference
$$A - B =$$
{ acts of service, physical touch, quality time, receiving gifts, words of affirmation }
Difference
$$B - A =$$
{ father, holy spirit, son }
Cartesian Product
$$A \times B =$$
{ (acts of service, father),
(acts of service, holy spirit),
(acts of service, son),
(physical touch, father),
(physical touch, holy spirit),
(physical touch, son),
(quality time, father),
(quality time, holy spirit),
(quality time, son),
(receiving gifts, father),
(receiving gifts, holy spirit),
(receiving gifts, son),
(words of affirmation, father),
(words of affirmation, holy spirit),
(words of affirmation, son) }
The Five Love Languages