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\pair{\uaSignature_2}{\uaEq_2}$, and $\Ax =
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\pair{\uaSignature}{\uaEq}$ and translations $\Ax_1
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\xto{\Translation_1} \Ax \xfrom{\Translation_2} \Ax_2$. In all three
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establish the converse implications. We begin with Swap, and assume