% SZS status Theorem for PROD__SET__EMP
% SZS output start Proof for PROD__SET__EMP
  file('i/f/pred_set/PROD__SET__EMPTY',ch4s_predu_u_sets_PRODu_u_SETu_u_EMPTY)).
  file('i/f/pred_set/PROD__SET__EMPTY',ah4s_predu_u_sets_PRODu_u_SETu_u_THMu_c0)).
% SZS output end Proof for PROD__SET__EMP
