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
$$A \cup B =$$
{ causal, fear, grief, gross, love, rage, subtle }
Symmetric Difference
$$A \ominus B =$$
{ causal, fear, grief, gross, love, rage, subtle }
Difference
$$A - B =$$
{ fear, grief, love, rage }
Difference
$$B - A =$$
{ causal, gross, subtle }
Cartesian Product
$$A \times B =$$
{ (fear, causal),
(fear, gross),
(fear, subtle),
(grief, causal),
(grief, gross),
(grief, subtle),
(love, causal),
(love, gross),
(love, subtle),
(rage, causal),
(rage, gross),
(rage, subtle) }
William James