Axiom of Power Set
# Axiom
$$\forall a \exists B \forall x (x \in B \Leftrightarrow x \subset a)$$ This Axiom is stating the existence of the Power Set of any Set that already exists.
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$$\forall a \exists B \forall x (x \in B \Leftrightarrow x \subset a)$$ This Axiom is stating the existence of the Power Set of any Set that already exists.