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
$$A \cup B =$$
{ generosity, grouping, listening, metal development, rejoicing, respect, restraint, service, sharing of merit, symmetry, teaching, understanding }
Symmetric Difference
$$A \ominus B =$$
{ generosity, grouping, listening, metal development, rejoicing, respect, restraint, service, sharing of merit, symmetry, teaching, understanding }
Difference
$$A - B =$$
{ generosity, listening, metal development, rejoicing, respect, restraint, service, sharing of merit, teaching, understanding }
Difference
$$B - A =$$
{ grouping, symmetry }
Cartesian Product
$$A \times B =$$
{ (generosity, grouping),
(generosity, symmetry),
(listening, grouping),
(listening, symmetry),
(metal development, grouping),
(metal development, symmetry),
(rejoicing, grouping),
(rejoicing, symmetry),
(respect, grouping),
(respect, symmetry),
(restraint, grouping),
(restraint, symmetry),
(service, grouping),
(service, symmetry),
(sharing of merit, grouping),
(sharing of merit, symmetry),
(teaching, grouping),
(teaching, symmetry),
(understanding, grouping),
(understanding, symmetry) }