% SZS status Theorem for SUM_
% SZS output start Proof for SUM_
  file('i/f/sum_num/SUM__1',ch4s_sumu_u_nums_SUMu_u_1)).
  file('i/f/sum_num/SUM__1',ah4s_sumu_u_nums_SUM0)).
  file('i/f/sum_num/SUM__1',ah4s_sumu_u_nums_GSUMu_u_1)).
% SZS output end Proof for SUM_
