aruwason aruwason
  • 24-02-2024
  • Mathematics
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Let (ℤ) denote the set of all subsets of ℤ. The union ∪ and intersection ∩ are binary operations on (ℤ). Is there an identity element for ∪? If so, what is it? Is there an identity element for ∩? If so, what is it?

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