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
$$A \cup B =$$
{ antithesis, ethos, kairos, logos, pathos, synthesis, thesis }
Symmetric Difference
$$A \ominus B =$$
{ antithesis, ethos, kairos, logos, pathos, synthesis, thesis }
Difference
$$A - B =$$
{ antithesis, synthesis, thesis }
Difference
$$B - A =$$
{ ethos, kairos, logos, pathos }
Cartesian Product
$$A \times B =$$
{ (antithesis, ethos),
(antithesis, kairos),
(antithesis, logos),
(antithesis, pathos),
(synthesis, ethos),
(synthesis, kairos),
(synthesis, logos),
(synthesis, pathos),
(thesis, ethos),
(thesis, kairos),
(thesis, logos),
(thesis, pathos) }