Hi guys, Welcome to the Advanced Video Search Engine, and you are watching How to Prove Two Sets are Equal using the Method of Double Inclusion A n (A u B) = A. That video is uploaded by The Math Sorcerer at 2019-09-18T17:00:07-07:00. We are promoting this video only for entertainment and educational purpose only. So, I hope you like & enjoy it. [Xr4nYzgdhbI]