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0 votes
4.0k views
in Set Language by (47.8k points)

Which of the following is correct? 

(1) {7} ∈ {1, 2, 3, 4, 5, 6, 7, 8, 9, 10} 

(2) 7 ∈ {1, 2, 3, 4, 5, 6, 7, 8, 9, 10} 

(3) 7 ∉ {1, 2, 3, 4, 5, 6, 7, 8, 9, 10} 

(4) {7} ⊈ {1, 2, 3, 4, 5, 6, 7, 8, 9, 10}

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2 Answers

+1 vote
by (47.4k points)

(2) 7 ∈ {1, 2, 3, 4, 5, 6, 7, 8, 9, 10}

0 votes
by (15 points)

{7}€{1,2,3,4,5,6,7,8,9,10}




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