Equation 7.12.4EF405F42095E

\begin{equation} \bigwedge _{i=1}^ n\mathrm{dd}^{\mathrm{c}}A_{i,l,j} \longrightarrow \bigwedge _{i=1}^ n\mathrm{dd}^{\mathrm{c}}A_{i,l} \end{equation}