texmath-0.12.2: tests/writers/axiom_of_power_set.tex
\forall A\,\exists P\,\forall B\,\left\lbrack B \in P \Leftrightarrow \forall C\,(C \in B \Rightarrow C \in A) \right\rbrack
\forall A\,\exists P\,\forall B\,\left\lbrack B \in P \Leftrightarrow \forall C\,(C \in B \Rightarrow C \in A) \right\rbrack