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
$$A \cup B =$$
{ Analytical, Argumentative, Expository, Narrative, Persuasive, narrative, strategic, tactical }
Symmetric Difference
$$A \ominus B =$$
{ Analytical, Argumentative, Expository, Narrative, Persuasive, narrative, strategic, tactical }
Difference
$$A - B =$$
{ Analytical, Argumentative, Expository, Narrative, Persuasive }
Difference
$$B - A =$$
{ narrative, strategic, tactical }
Cartesian Product
$$A \times B =$$
{ (Analytical, narrative),
(Analytical, strategic),
(Analytical, tactical),
(Argumentative, narrative),
(Argumentative, strategic),
(Argumentative, tactical),
(Expository, narrative),
(Expository, strategic),
(Expository, tactical),
(Narrative, narrative),
(Narrative, strategic),
(Narrative, tactical),
(Persuasive, narrative),
(Persuasive, strategic),
(Persuasive, tactical) }
Immersion (virtual reality)