\begin{tabbing}
$\forall$\=${\it ds}$:$x$:Id fp$\rightarrow$ Type, ${\it da}$:$k$:Knd fp$\rightarrow$ Type, $v$:ecl{-}trans{-}tuple\{i:l\}(${\it ds}$;${\it da}$),\+
\\[0ex]$L$:event{-}info(${\it ds}$;${\it da}$) List.
\-\\[0ex]ecl{-}trans{-}state($v$;$L$) $\in$ ecl{-}trans{-}type($v$)
\end{tabbing}