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
$$A \cup B =$$
{ analyze, create, ethical, execute, idealistic, realistic, ritualistic }
Symmetric Difference
$$A \ominus B =$$
{ analyze, create, ethical, execute, idealistic, realistic, ritualistic }
Difference
$$A - B =$$
{ ethical, idealistic, realistic, ritualistic }
Difference
$$B - A =$$
{ analyze, create, execute }
Cartesian Product
$$A \times B =$$
{ (ethical, analyze),
(ethical, create),
(ethical, execute),
(idealistic, analyze),
(idealistic, create),
(idealistic, execute),
(realistic, analyze),
(realistic, create),
(realistic, execute),
(ritualistic, analyze),
(ritualistic, create),
(ritualistic, execute) }
Design methods