Power Set

Abstract

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• The power set of Set $A$ is all the possible Subnet of $A$
• Given $A=\{x,y\}$, $\mathcal{P}(A)=\{\varnothing ,\{x\},\{y\},\{x,y\}\}$

Theorem 6.3.1

• The cardinality of Power Set of finite set is $2^{cardinalityofthefiniteset}$