% SZS status Theorem for word__concat__0_
% SZS output start Proof for word__concat__0_
  file('i/f/words/word__concat__0__0',ah4s_wordss_w2wu_u_0)).
  file('i/f/words/word__concat__0__0',ch4s_wordss_wordu_u_concatu_u_0u_u_0)).
  file('i/f/words/word__concat__0__0',ah4s_wordss_wordu_u_joinu_u_0)).
  file('i/f/words/word__concat__0__0',ah4s_wordss_wordu_u_concatu_u_def)).
% SZS output end Proof for word__concat__0_
