1.

 Which of the following statements is FALSE?

A. 2 ∈ A ∪ B implies that if 2 ∈/ A then 2 ∈ B.
B. {2, 3} ⊆ A implies that 2 ∈ A and 3 ∈ A.
C. A ∩ B ⊇ {2, 3} implies that {2, 3} ⊆ A and {2, 3} ⊆ B
D. {2} ∈ A and {3} ∈ A implies that {2, 3} ⊆ A.
Answer» E.


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