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0. Let A = (-1,2,6,8) and B = (2,4,8,10) be trapezoidal fuzzy numbers ∩b, ∪b denote bounded difference fuzzy intersection and bounded sum fuzzy union respectively. Then which of the following statements is/are correct> 1. A ∪b B is a fuzzy number 2. A ∩b B is NOT a fuzzy number 3. A ∩m B = A ∩b B 4. A ∪b B ⊂ A ∪m B
1, 3 and 4
2, 3 and 4
3 only
4 only
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