2.4
macs:Mac OS X10.3.9
FchF
C1128091825920D1128091837874
newFormat
{p=proof{p{s(i{r&1;})r{u=uProof;s=proof;}o{c=0;s="";l="";d@}u{t()}f(t{s(i{r=fol{t="(P & Q) % ( ~R | ~S)";b()g=@;}})r{u=uPremise;s=step;}o&6;u{t()}})}g{g(s{g{r=fol{t="(P & S) $ (Q $ ~R)";b()g=@;}}r{u=uFOLGoalRule;s=fol;}s()o{c=0;s="";l="";d@}})}a=false;}}c=25661;
s=43914;