Proof through inclusion (A∆B) ∪ A = A ∪ B

Hey guys,
Maybe someone of you can help. I need to prove the following through inclusion:
(A∆B) ∪ A = A ∪ B

Any suggestion on how to solve this?


Answers can be viewed only if
  1. The questioner was satisfied and accepted the answer, or
  2. The answer was disputed, but the judge evaluated it as 100% correct.
View the answer
Erdos Erdos
The answer is accepted.
Join Matchmaticians Affiliate Marketing Program to earn up to 50% commission on every question your affiliated users ask or answer.