Set Theory - Operator (Operations)

operator in Set Theory that applies to set structure (set, bag)

A data operator produce another set.

• Set - Intersect
• Set Theory - Union
• Set Theory - Cross Product (Cartesian product)
• Set - Difference

All relational algebra operator are set-operator.

A relationship operator produce a boolean

• Set Theory - The in operator
• Set Theory - Subset relationship
• Set theory - Equality