
theorem Th11:
  for term being bin-term, s1, s2 being State of SCM st for dn
  being Element of NAT st dn <= max_Data-Loc_in term holds s1.dl.dn = s2.dl.dn
  holds term @ s1 = term @ s2
proof
  thus for t being bin-term holds X[t] from BINTREE1:sch 2 (Lm7, Lm8);
end;
