% SZS status Theorem for PERM__CO
% SZS output start Proof for PERM__CO
  file('i/f/sorting/PERM__CONG',ah4s_sortings_PERMu_u_DEF)).
  file('i/f/sorting/PERM__CONG',ah4s_lists_FILTERu_u_APPENDu_u_DISTRIB)).
  file('i/f/sorting/PERM__CONG',ch4s_sortings_PERMu_u_CONG)).
% SZS output end Proof for PERM__CO
