Intersection and union of 3 sets  Set Theory
Intersection and union of 3 sets
Lessons
Notes:
The principle of inclusion and exclusion of 3 sets says the following:

Intro Lesson
Introduction to Intersection and Union of 3 Sets:

1.
Finding Intersection and Union of 3 Sets
The Venn Diagram below shows the type of instruments that people like.
Find the following: