\begin{tabbing}
$\forall$\=$a$:Id, $T$:Type, ${\it ds}$:$x$:Id fp$\rightarrow$ Type, $P$:Top, ${\it init}$:$x$:Id fp$\rightarrow$ Top, $k$:Knd, $l$:IdLnk,\+
\\[0ex]$d_{1}$:$x$:Id fp$\rightarrow$ Type, ${\it da}$:$a$:Knd fp$\rightarrow$ Type, $f$:(Id$\times$Top) List.
\-\\[0ex]${\it ds}$ $\parallel$ $d_{1}$
\\[0ex]$\Rightarrow$ locl($a$) : $T$ $\parallel$ ${\it da}$
\\[0ex]$\Rightarrow$ (\=with ds: ${\it ds}$ init: ${\it init}$action $a$:$T$ precondition $a$(v) is $P$\+
\\[0ex]$\Vert\!+$ \=with declarations \+
\\[0ex]ds:$d_{1}$
\\[0ex]da:${\it da}$
\\[0ex]$k$(v) sends $f$ s v on link $l$)
\-\-
\end{tabbing}