% SZS status Theorem for r2
% SZS output start Proof for r2
  file('i/f/HolSmt/r217',ah4s_reals_REALu_u_ADDu_u_SYM)).
  file('i/f/HolSmt/r217',ch4s_HolSmts_r217)).
  file('i/f/HolSmt/r217',ah4s_reals_REALu_u_ADDu_u_ASSOC)).
% SZS output end Proof for r2
