% SZS status Theorem for DROP__LENGTH__NIL__r
% SZS output start Proof for DROP__LENGTH__NIL__r
  file('i/f/rich_list/DROP__LENGTH__NIL__rwt',ch4s_richu_u_lists_DROPu_u_LENGTHu_u_NILu_u_rwt)).
  file('i/f/rich_list/DROP__LENGTH__NIL__rwt',ah4s_richu_u_lists_DROPu_u_LENGTHu_u_NIL)).
% SZS output end Proof for DROP__LENGTH__NIL__r
