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
$$A \cup B =$$
{ eukaryote, hearing, prokaryote, sight, smell, taste, touch }
Symmetric Difference
$$A \ominus B =$$
{ eukaryote, hearing, prokaryote, sight, smell, taste, touch }
Difference
$$A - B =$$
{ eukaryote, prokaryote }
Difference
$$B - A =$$
{ hearing, sight, smell, taste, touch }
Cartesian Product
$$A \times B =$$
{ (eukaryote, hearing),
(eukaryote, sight),
(eukaryote, smell),
(eukaryote, taste),
(eukaryote, touch),
(prokaryote, hearing),
(prokaryote, sight),
(prokaryote, smell),
(prokaryote, taste),
(prokaryote, touch) }
Cell division