
theorem Th9:
  for t being Terminal of SCM-AE holds max_Data-Loc_in root-tree t = d".t
proof
  let t be Terminal of SCM-AE;
  max_Data-Loc_in (root-tree t) = f.(root-tree t) qua Element of NAT by Def14
,Lm4,Lm5;
  hence thesis by Lm4;
end;
