% SZS status Theorem for r1
% SZS output start Proof for r1
  file('i/f/HolSmt/r153',ch4s_HolSmts_r153)).
  file('i/f/HolSmt/r153',ah4s_reals_REALu_u_ADDu_u_SYM)).
  file('i/f/HolSmt/r153',ah4s_reals_REALu_u_MULu_u_LID)).
  file('i/f/HolSmt/r153',ah4s_reals_REALu_u_NEGu_u_ADD)).
  file('i/f/HolSmt/r153',ah4s_reals_REALu_u_MULu_u_LNEG)).
  file('i/f/HolSmt/r153',ah4s_reals_REALu_u_NEGu_u_NEG)).
% SZS output end Proof for r1
