% SZS status Theorem for n2s__on
% SZS output start Proof for n2s__on
  file('i/f/string_num/n2s__onto',ah4s_stringu_u_nums_n2su_u_s2n)).
  file('i/f/string_num/n2s__onto',ch4s_stringu_u_nums_n2su_u_onto)).
% SZS output end Proof for n2s__on
