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
$$A \cup B =$$
{ analysis, collection, dissemination, feedback, generating, overcoming, processing, requirements }
Symmetric Difference
$$A \ominus B =$$
{ analysis, collection, dissemination, feedback, generating, overcoming, processing, requirements }
Difference
$$A - B =$$
{ analysis, collection, dissemination, feedback, processing, requirements }
Difference
$$B - A =$$
{ generating, overcoming }
Cartesian Product
$$A \times B =$$
{ (analysis, generating),
(analysis, overcoming),
(collection, generating),
(collection, overcoming),
(dissemination, generating),
(dissemination, overcoming),
(feedback, generating),
(feedback, overcoming),
(processing, generating),
(processing, overcoming),
(requirements, generating),
(requirements, overcoming) }
Wuxing (Chinese philosophy)