% SZS status Theorem for inv__i
% SZS output start Proof for inv__i
  file('i/f/relation/inv__inv',aHLu_EXT)).
  file('i/f/relation/inv__inv',ah4s_relations_invu_u_DEF)).
  file('i/f/relation/inv__inv',ch4s_relations_invu_u_inv)).
% SZS output end Proof for inv__i
