% SZS status Theorem for NIL__P
% SZS output start Proof for NIL__P
  file('i/f/quotient_list/NIL__PRS',ch4s_quotientu_u_lists_NILu_u_PRS)).
  file('i/f/quotient_list/NIL__PRS',ah4s_lists_MAP0u_c0)).
% SZS output end Proof for NIL__P
