Show that if A, B, and C are sets, then IA U B U CI = IA I
Chapter 2, Problem 2.2.44(choose chapter or problem)
Show that if A, B, and C are sets, then IA U B U CI = IA I + IB I + ICI - IA n B I - I A n CI - IB n CI + IA n B n CI
Unfortunately, we don't have that question answered yet. But you can get it answered in just 5 hours by Logging in or Becoming a subscriber.
Becoming a subscriber
Or look for another answer