% SZS status Theorem for distr__le
% SZS output start Proof for distr__le
  file('i/f/ring/distr__left',ah4s_rings_isu_u_ringu_u_def)).
  file('i/f/ring/distr__left',ch4s_rings_distru_u_left)).
% SZS output end Proof for distr__le
