% SZS status Theorem for SN
% SZS output start Proof for SN
  file('i/f/pair/SND0',ch4s_pairs_SND0)).
  file('i/f/pair/SND0',ah4s_pairs_PAIRu_u_EQ)).
  file('i/f/pair/SND0',ah4s_pairs_PAIR)).
% SZS output end Proof for SN
