Answer to Question #314582 in Discrete Mathematics for bhupendra

Discrete Mathematics

Question #314582

Let 𝐴 and 𝐵 be sets such that 𝐴 ∪ 𝐵 ⊆ 𝐵 and 𝐵 ⊆ 𝐴 . Draw the corresponding Venn

diagram

Expert's answer

Since "B\\subseteq A,A\\cup B=A" . Then from the first assertion "A\\subseteq B" , from which A=B.

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