% SZS status Theorem for length__bitify__nu
% SZS output start Proof for length__bitify__nu
  file('i/f/bitstring/length__bitify__null',ch4s_bitstrings_lengthu_u_bitifyu_u_null)).
  file('i/f/bitstring/length__bitify__null',ah4s_arithmetics_ADDu_u_0)).
  file('i/f/bitstring/length__bitify__null',ah4s_arithmetics_ADDu_u_SYM)).
  file('i/f/bitstring/length__bitify__null',ah4s_lists_LENGTH0u_c0)).
  file('i/f/bitstring/length__bitify__null',ah4s_bitstrings_lengthu_u_bitify)).
% SZS output end Proof for length__bitify__nu
