Union
$$A \cup B =$$
{ analysis, collection, conceptual, dissemination, feedback, logical, physical, processing, requirements }
Symmetric Difference
$$A \ominus B =$$
{ analysis, collection, conceptual, dissemination, feedback, logical, physical, processing, requirements }
Difference
$$A - B =$$
{ analysis, collection, dissemination, feedback, processing, requirements }
Cartesian Product
$$A \times B =$$
{ (analysis, conceptual),
(analysis, logical),
(analysis, physical),
(collection, conceptual),
(collection, logical),
(collection, physical),
(dissemination, conceptual),
(dissemination, logical),
(dissemination, physical),
(feedback, conceptual),
(feedback, logical),
(feedback, physical),
(processing, conceptual),
(processing, logical),
(processing, physical),
(requirements, conceptual),
(requirements, logical),
(requirements, physical) }