Equation 20.1.4233927991E020

\begin{equation} \left( \mathbb {D}_1,\ldots ,\mathbb {D}_ n \right)\coloneqq \lim _{\epsilon \to 0+}\Bigl ( \mathbb {D}_1+\epsilon \mathbb {D}(\omega ),\ldots ,\mathbb {D}_ n+\epsilon \mathbb {D}(\omega ) \Bigr ), \end{equation}