% SZS status Theorem for r2
% SZS output start Proof for r2
  file('i/f/HolSmt/r221',ch4s_HolSmts_r221)).
  file('i/f/HolSmt/r221',ah4s_reals_REALu_u_ADDu_u_LID)).
  file('i/f/HolSmt/r221',ah4s_reals_realu_u_sub0)).
% SZS output end Proof for r2
