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Question

A = {∅,{∅},2,{2,∅},3}, which of the following is true?

a.

{{∅,{∅}} ∈ A

b.

{2} ∈ A

c.

∅ ⊂ A

d.

3 ⊂ A

Posted under Discrete Mathematics

Answer: (c).∅ ⊂ A

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Q. A = {∅,{∅},2,{2,∅},3}, which of the following is true?

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