% SZS status Theorem for mult__zero__le
% SZS output start Proof for mult__zero__le
  file('i/f/semi_ring/mult__zero__left',ah4s_semiu_u_rings_isu_u_semiu_u_ringu_u_def)).
  file('i/f/semi_ring/mult__zero__left',ch4s_semiu_u_rings_multu_u_zerou_u_left)).
% SZS output end Proof for mult__zero__le
