What is a Power Set? | Set Theory, Subsets, Cardinality
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YouTubeWrath of Math
What is a Power Set? | Set Theory, Subsets, Cardinality
What is a power set? A power set of any set A is the set containing all subsets of the given set A. For example, if we have the set A = {1, 2, 3}. Then the power set of A, denoted P(A), is {{ }, {1}, {2}, {3}, {1, 2}, {1, 3}, {2, 3}, {1, 2, 3}} where { } is the empty set. We also know that any set with n elements has a total of 2^(n) subsets ...
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