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With an argument, not Venn diagrams, prove that your answer is correct. Write a complete proof...

  1. With an argument, not Venn diagrams, prove that your answer is correct. Write a complete proof in both directions. For sets A, B, and C, we have A ∩ (B ∪ C) = (A ∩ B) ∪ C if and only if C ⊆ A.

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