% SZS status Theorem for BAG__DIFF__EMPTY__simple_
% SZS output start Proof for BAG__DIFF__EMPTY__simple_
  file('i/f/bag/BAG__DIFF__EMPTY__simple_c0',ch4s_bags_BAGu_u_DIFFu_u_EMPTYu_u_simpleu_c0)).
  file('i/f/bag/BAG__DIFF__EMPTY__simple_c0',ah4s_bags_BAGu_u_DIFFu_u_EMPTYu_c0)).
% SZS output end Proof for BAG__DIFF__EMPTY__simple_
