Union
$$A \cup B =$$
{ Analytical, Argumentative, Expository, Narrative, Persuasive, awareness, decision, recognition, recollection }
Symmetric Difference
$$A \ominus B =$$
{ Analytical, Argumentative, Expository, Narrative, Persuasive, awareness, decision, recognition, recollection }
Difference
$$A - B =$$
{ Analytical, Argumentative, Expository, Narrative, Persuasive }
Difference
$$B - A =$$
{ awareness, decision, recognition, recollection }
Cartesian Product
$$A \times B =$$
{ (Analytical, awareness),
(Analytical, decision),
(Analytical, recognition),
(Analytical, recollection),
(Argumentative, awareness),
(Argumentative, decision),
(Argumentative, recognition),
(Argumentative, recollection),
(Expository, awareness),
(Expository, decision),
(Expository, recognition),
(Expository, recollection),
(Narrative, awareness),
(Narrative, decision),
(Narrative, recognition),
(Narrative, recollection),
(Persuasive, awareness),
(Persuasive, decision),
(Persuasive, recognition),
(Persuasive, recollection) }