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
$$A \cup B =$$
{ cell division, fable, fairy-tale, folk-tale, interphase, myth, resting, saga }
Symmetric Difference
$$A \ominus B =$$
{ cell division, fable, fairy-tale, folk-tale, interphase, myth, resting, saga }
Difference
$$A - B =$$
{ cell division, interphase, resting }
Difference
$$B - A =$$
{ fable, fairy-tale, folk-tale, myth, saga }
Cartesian Product
$$A \times B =$$
{ (cell division, fable),
(cell division, fairy-tale),
(cell division, folk-tale),
(cell division, myth),
(cell division, saga),
(interphase, fable),
(interphase, fairy-tale),
(interphase, folk-tale),
(interphase, myth),
(interphase, saga),
(resting, fable),
(resting, fairy-tale),
(resting, folk-tale),
(resting, myth),
(resting, saga) }
Cell cycle