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
$$A \cup B =$$
{ aesthetics, anal, ethics, genital, latency, logic, oral, phallic }
Symmetric Difference
$$A \ominus B =$$
{ aesthetics, anal, ethics, genital, latency, logic, oral, phallic }
Difference
$$A - B =$$
{ aesthetics, ethics, logic }
Difference
$$B - A =$$
{ anal, genital, latency, oral, phallic }
Cartesian Product
$$A \times B =$$
{ (aesthetics, anal),
(aesthetics, genital),
(aesthetics, latency),
(aesthetics, oral),
(aesthetics, phallic),
(ethics, anal),
(ethics, genital),
(ethics, latency),
(ethics, oral),
(ethics, phallic),
(logic, anal),
(logic, genital),
(logic, latency),
(logic, oral),
(logic, phallic) }