% SZS status Theorem for fnsum__empty_
% SZS output start Proof for fnsum__empty_
  file('i/f/fixedPoint/fnsum__empty_c0',aHLu_EXT)).
  file('i/f/fixedPoint/fnsum__empty_c0',ah4s_predu_u_sets_UNIONu_u_EMPTYu_c1)).
  file('i/f/fixedPoint/fnsum__empty_c0',ah4s_fixedPoints_emptyu_u_def)).
  file('i/f/fixedPoint/fnsum__empty_c0',ah4s_fixedPoints_fnsumu_u_def)).
  file('i/f/fixedPoint/fnsum__empty_c0',ch4s_fixedPoints_fnsumu_u_emptyu_c0)).
% SZS output end Proof for fnsum__empty_
