% SZS status Theorem for WORD__SUB__RZE
% SZS output start Proof for WORD__SUB__RZE
  file('i/f/words/WORD__SUB__RZERO',ch4s_wordss_WORDu_u_SUBu_u_RZERO)).
  file('i/f/words/WORD__SUB__RZERO',ah4s_wordss_WORDu_u_ADDu_u_0u_c0)).
  file('i/f/words/WORD__SUB__RZERO',ah4s_wordss_WORDu_u_NEGu_u_0)).
  file('i/f/words/WORD__SUB__RZERO',ah4s_wordss_wordu_u_subu_u_def)).
% SZS output end Proof for WORD__SUB__RZE
