Solution Found!
Show that if A and B are sets, then A (A B) = A B.
Chapter 2, Problem 5E(choose chapter or problem)
QUESTION:
Problem 5E
Show that if A and B are sets, then A − (A − B) = A ∩ B.
Questions & Answers
QUESTION:
Problem 5E
Show that if A and B are sets, then A − (A − B) = A ∩ B.
ANSWER:
SOLUTION
Step 1
We need to prove that for the sets A and B, .