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
$$A \cup B =$$
{ feeling, grammar, intuition, logic, rhetoric, sensation, thinking }
Symmetric Difference
$$A \ominus B =$$
{ feeling, grammar, intuition, logic, rhetoric, sensation, thinking }
Difference
$$A - B =$$
{ grammar, logic, rhetoric }
Difference
$$B - A =$$
{ feeling, intuition, sensation, thinking }
Cartesian Product
$$A \times B =$$
{ (grammar, feeling),
(grammar, intuition),
(grammar, sensation),
(grammar, thinking),
(logic, feeling),
(logic, intuition),
(logic, sensation),
(logic, thinking),
(rhetoric, feeling),
(rhetoric, intuition),
(rhetoric, sensation),
(rhetoric, thinking) }