\begin{tabbing} $\forall$${\it the\_w}$:World. \\[0ex]FairFifo \\[0ex]$\Rightarrow$ \=val{-}axiom(E;${\it the\_w}$.TA;${\it the\_w}$.M;$\lambda$$e$.w{-}info(${\it the\_w}$;$e$);$\lambda$$e$.w{-}pred(${\it the\_w}$;$e$);\+ \\[0ex]$\lambda$$i$,$x$. s($i$;0).$x$;$\lambda$$i$.(w{-}machine(${\it the\_w}$;$i$).2).1; \\[0ex]$\lambda$$i$.w{-}machine(${\it the\_w}$;$i$).1;$\lambda$$i$.w{-}machine(${\it the\_w}$;$i$).2.2;$\lambda$$e$.val($e$);$\lambda$$e$.time($e$)) \- \end{tabbing}