Union
{ analysis, being, collection, dissemination, essence, feedback, notion, processing, requirements }
Symmetric Difference
{ analysis, being, collection, dissemination, essence, feedback, notion, processing, requirements }
Difference
{ analysis, collection, dissemination, feedback, processing, requirements }
Cartesian Product
{ (being, analysis),
(being, collection),
(being, dissemination),
(being, feedback),
(being, processing),
(being, requirements),
(essence, analysis),
(essence, collection),
(essence, dissemination),
(essence, feedback),
(essence, processing),
(essence, requirements),
(notion, analysis),
(notion, collection),
(notion, dissemination),
(notion, feedback),
(notion, processing),
(notion, requirements) }