\begin{tabbing} $\forall$\=$D$:Dsys, ${\it sched}$:(Id$\rightarrow$(?($\mathbb{N}\rightarrow$(IdLnk + Id)))), $v$:($i$:Id$\rightarrow$M($i$).(timed)state),\+ \\[0ex]${\it dec}$:($i$,$a$:Id$\rightarrow\mathbb{N}\rightarrow$M($i$).state$\rightarrow$(?if $a$ $\in$ dom(M($i$).prob) then Outcome else Void fi )), \\[0ex]${\it discrete}$:(Id$\rightarrow$Id$\rightarrow\mathbb{B}$), $t$:$\mathbb{N}$. \-\\[0ex]Feasible($D$) $\Rightarrow$ (d{-}comp{-}partial{-}world($D$; $v$; ${\it sched}$; ${\it dec}$; ${\it discrete}$; $t$) $\in$ World) \end{tabbing}