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
$$A \cup B =$$
{ critical, ethos, kairos, logos, pathos, speculative grammar, speculative rhetoric }
Symmetric Difference
$$A \ominus B =$$
{ critical, ethos, kairos, logos, pathos, speculative grammar, speculative rhetoric }
Difference
$$A - B =$$
{ ethos, kairos, logos, pathos }
Difference
$$B - A =$$
{ critical, speculative grammar, speculative rhetoric }
Cartesian Product
$$A \times B =$$
{ (ethos, critical),
(ethos, speculative grammar),
(ethos, speculative rhetoric),
(kairos, critical),
(kairos, speculative grammar),
(kairos, speculative rhetoric),
(logos, critical),
(logos, speculative grammar),
(logos, speculative rhetoric),
(pathos, critical),
(pathos, speculative grammar),
(pathos, speculative rhetoric) }
Modes of persuasion