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1. For a set A, the power set of A is denoted by 2^ A . If A = {5, {6}, {7}}...
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1. For a set A, the power set of A is denoted by 2^A. If A = {5, {6}, {7}}, which of the following options are True.
I.Φ ϵ 2^A II. Φ⊆ 2^A III. {5,{6}} ϵ 2^A IV. {5,{6}} ⊆ 2^A
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