1.

For any two sets A and B, prove that(i) B ⊂ A ∪ B (ii) A ∩ B ⊂ A (iii) A ⊂ B ⇒ A ∩ B = A

Answer» For any two sets A and B, prove that



(i) B ⊂ A ∪ B (ii) A ∩ B ⊂ A (iii) A ⊂ B ⇒ A ∩ B = A


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