% SZS status Theorem for is__tree__rules_
% SZS output start Proof for is__tree__rules_
  file('i/f/inftree/is__tree__rules_c0',ch4s_inftrees_isu_u_treeu_u_rulesu_c0)).
  file('i/f/inftree/is__tree__rules_c0',ah4s_bools_IMPu_u_ANTISYMu_u_AX)).
  file('i/f/inftree/is__tree__rules_c0',ah4s_inftrees_isu_u_treeu_u_def)).
  file('i/f/inftree/is__tree__rules_c0',aHLu_FALSITY)).
% SZS output end Proof for is__tree__rules_
