Which operation is it

Exercise and reference answers

Items

1. Group

   Union

   Item

   All of A and B

2. Group

   Union

   Item

   Common once only

3. Group

   Intersection

   Item

   Only the common

4. Group

   Intersection

   Item

   In both A and B

5. Group

   Difference

   Item

   In A but not B

6. Group

   Difference

   Item

   A minus B

Groups

1. Item

   Union

2. Item

   Intersection

3. Item

   Difference

Instructions

Drop each description under the operation it defines.

Explanation