Fuzzy sets 52

0. Let f be a map from X to Y. Let A_i ∈ F(x) and B_i ∈ F(Y) for i ∈ I. Which of the following is/are INCORRECT with respect to standard union and intersection?
1. f(∪_i∈IA_i) = ∪_i∈If(A_i)
2. f(∩_i∈IA_i) = ∩_i∈If(A_i)
3. f^-1(∪_i∈IB_i) = ∪_i∈If^-1(B_i)
4. f^-1(∩_i∈IB_i) = ∩_i∈If^-1(B_i)

Answer
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Option : B
Explanation :

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