1.4
wnds:Windows NT5.1
FchF
C1083560275359D1083566231406
newFormat
{p=proof{p{s(i{r&1;})r{u=uProof;s=proof;}o{c=1;s="";l="";d@}u{t()}f(t{s(i{r=fol{t="@x @y @z (z \\ union(x, y) % (z \\ x | z \\ y))";b()g="";}})r{u=uPremise;s=step;}o=fol_fst{c=1;s="";l="";d@f=1;}u{t()}},t{s(i{r=fol{t="@x @y (@z (z \\ x % z \\ y) $ x = y)";b()g="";}})r&15;o{c=1;s="";l="";d@}u{t()}},t{s(i{r=fol{t="@z(z \\ union(a, b) % z \\ union(b, a)) $ union(a, b) = union(b, a)";b()g=@;}})r{u="u\u2200 Elim";s=fol;}o=fol_fst{c=1;s="";l="";d@f=1;}u{t(p{si&21;ss=1;})}},p{s(i{r&1;})r&5;o&6;u{t()}f(t{s(i{r=fol{t="";b(s=f;)g=@;}})r&15;o=fol_fst{c=1;s="";l="";d@f=1;}u{t()}},t{s(i{r=fol{t="f \\ union(a, b) % (f \\ a | f \\ b)";b()g=@;}})r&32;o=fol_fst{c=1;s="";l="";d@f=1;}u{t(p{si&12;ss=0;})}},t{s(i{r=fol{t="f \\ union(b, a) % (f \\ b | f \\ a)";b()g=@;}})r&32;o=fol_fst{c=1;s="";l="";d@f=1;}u{t(p{si&12;ss=0;})}},t{s(i{r=fol{t="f \\ union(a, b) % f \\ union(b, a)";b()g=@;}})r{u="uTaut Con";s=fol;}o=fol_con{c=1;s="";l="";d@f=1;}u{t(p{si&53;ss=3.1;},p{si&62;ss=3.2;})}},p{s(i{r&1;})r&5;o&6;u{t()}f(t{s(i{r=fol{t="f \\ union(a, b)";b()g=@;}})r&15;o=fol_fst{c=1;s="";l="";d@f=1;}u{t()}},t{s(i{r=fol{t="f \\ union(b, a)";b()g=@;}})r{u="u\u2194 Elim";s=fol;}o=fol_fst{c=1;s="";l="";d@f=1;}u{t(p{si&88;ss=3.4.0;},p{si&71;ss=3.3;})}})},p{s(i{r&1;})r&5;o&6;u{t()}f(t{s(i{r=fol{t="f \\ union(b, a)";b()g=@;}})r&15;o=fol_fst{c=1;s="";l="";d@f=1;}u{t()}},t{s(i{r=fol{t="f \\ union(a, b)";b()g=@;}})r&99;o=fol_fst{c=1;s="";l="";d@f=1;}u{t(p{si&113;ss=3.5.0;},p{si&71;ss=3.3;})}})},t{s(i{r=fol{t="f \\ union(a, b) % f \\ union(b, a)";b()g=@;}})r{u="u\u2194 Intro";s=fol;}o=fol_fst{c=1;s="";l="";d@f=1;}u{t(p{si&82;ss=3.4.;},p{si&107;ss=3.5.;})}})},t{s(i{r=fol{t="@z(z \\ union(a, b) % z \\ union(b, a))";b()g=@;}})r{u="u\u2200 Intro";s=fol;}o=fol_fst{c=1;s="";l="";d@f=1;}u{t(p{si&39;ss=3.;})}},t{s(i{r=fol{t="union(a, b) = union(b, a)";b()g=@;}})r{u="u\u2192 Elim";s=fol;}o=fol_fst{c=1;s="";l="";d@f=1;}u{t(p{si&29;ss=2;},p{si&142;ss=4;})}})}g{g(s{g{r=fol{t="union(a, b) = union(b, a)";b()c(l{n="t/f Connectives";a=true;},l{n=Identity;a=true;},l{n=Quantifiers;a=true;},l{n=ExMidd;a=false;},l{n=TwoTaut;a=false;},l{n=TautCon;a=true;},l{n="FO Con";a=false;},l{n=BabyAna;a=false;},l{n=TwoMore;a=false;},l{n=AnaCon;a=false;})g="";}}r{u=uFOLGoalRule;s=fol;}s(s=5;)o{c=1;s="The goal checks out.";l="The goal checks out.";d@}})}a=false;}}c=195804;