1 1 vote Hi Guys, I think (B) is also correct option. what is your opinion ? Set Theory & Algebra made-easy-test-series discrete-mathematics set-theory&algebra set-theory + – Chhotu 920 views answer comment Share Follow Print See all 4 Comments 4 4 Comments reply Red_devil commented Nov 26, 2017 reply Follow flag yes AUB⊆A∩B iff |A| should be equal to |B|. 0 0 replyShare Chhotu commented Nov 26, 2017 reply Follow flag Hi @Red_devil AUB⊆A∩B iff I think |A| = |B| is incorrect but A=B is correct. So AUB⊆A∩B iff A=B. 1 1 replyShare Red_devil commented Nov 27, 2017 reply Follow flag @ Chhotu i mean if AUB⊆A∩B then A=B so when A=B then both should have same cardinality so |A| = |B|..please correct me if i am wrong! 0 0 replyShare Kaluti commented Jan 31, 2018 reply Follow flag yes but what about that case when two sets |A|=|B| but A!=B then in that case it would become incorrect 0 0 replyShare Please log in or register to add a comment.
