TSTP Solution File: ITP256_1 by Z3---4.8.9.0

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Z3---4.8.9.0
% Problem  : ITP256_1 : TPTP v8.1.0. Released v8.0.0.
% Transfm  : none
% Format   : tptp
% Command  : z3_tptp -proof -model -t:%d -file:%s

% Computer : n015.cluster.edu
% Model    : x86_64 x86_64
% CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 2.10GHz
% Memory   : 8042.1875MB
% OS       : Linux 3.10.0-693.el7.x86_64
% CPULimit : 300s
% WCLimit  : 300s
% DateTime : Sat Sep 17 04:17:46 EDT 2022

% Result   : Theorem 56.54s 37.09s
% Output   : Proof 57.55s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :    7
%            Number of leaves      :   42
% Syntax   : Number of formulae    :   67 (  14 unt;  21 typ;   0 def)
%            Number of atoms       :  278 (  42 equ)
%            Maximal formula atoms :   20 (   6 avg)
%            Number of connectives :  423 ( 203   ~; 109   |;  36   &)
%                                         (  66 <=>;   9  =>;   0  <=;   0 <~>)
%            Maximal formula depth :   15 (   6 avg)
%            Maximal term depth    :    7 (   2 avg)
%            Number of FOOLs       :   12 (  12 fml;   0 var)
%            Number of types       :    1 (   0 usr)
%            Number of type conns  :   22 (  13   >;   9   *;   0   +;   0  <<)
%            Number of predicates  :   19 (  17 usr;  13 prp; 0-3 aty)
%            Number of functors    :   20 (  20 usr;   8 con; 0-2 aty)
%            Number of variables   :  144 ( 136   !;   0   ?; 144   :)

% Comments : 
%------------------------------------------------------------------------------
tff(pp_type,type,
    pp: bool > $o ).

tff(aa_nat_bool_type,type,
    aa_nat_bool: ( fun_nat_bool * nat ) > bool ).

tff(aa_VEB4832260192069861672t_bool_type,type,
    aa_VEB4832260192069861672t_bool: ( fun_VE3763956218935105199t_bool * vEBT_VEBT ) > fun_nat_bool ).

tff(nth_VEBT_VEBT_type,type,
    nth_VEBT_VEBT: ( list_VEBT_VEBT * nat ) > vEBT_VEBT ).

tff(aa_nat_nat_type,type,
    aa_nat_nat: ( fun_nat_nat * nat ) > nat ).

tff(na_type,type,
    na: nat ).

tff(aa_nat_fun_nat_nat_type,type,
    aa_nat_fun_nat_nat: ( fun_nat_fun_nat_nat * nat ) > fun_nat_nat ).

tff(ma_type,type,
    ma: nat ).

tff(vEBT_VEBT_high_type,type,
    vEBT_VEBT_high: fun_nat_fun_nat_nat ).

tff(treeList_type,type,
    treeList: list_VEBT_VEBT ).

tff(vEBT_V8194947554948674370ptions_type,type,
    vEBT_V8194947554948674370ptions: fun_VE3763956218935105199t_bool ).

tff(vEBT_vebt_delete_type,type,
    vEBT_vebt_delete: ( vEBT_VEBT * nat ) > vEBT_VEBT ).

tff(vEBT_invar_vebt_type,type,
    vEBT_invar_vebt: vEBT_VEBT > fun_nat_bool ).

tff(xa_type,type,
    xa: nat ).

tff(aa_set8260762808118238015T_bool_type,type,
    aa_set8260762808118238015T_bool: ( fun_se448528567104302406T_bool * set_VEBT_VEBT ) > bool ).

tff(set_VEBT_VEBT2_type,type,
    set_VEBT_VEBT2: list_VEBT_VEBT > set_VEBT_VEBT ).

tff(aa_VEB289770264548726718T_bool_type,type,
    aa_VEB289770264548726718T_bool: ( fun_VE7346385682144900493T_bool * vEBT_VEBT ) > fun_se448528567104302406T_bool ).

tff(member_VEBT_VEBT_type,type,
    member_VEBT_VEBT: fun_VE7346385682144900493T_bool ).

tff(size_s6755466524823107622T_VEBT_type,type,
    size_s6755466524823107622T_VEBT: list_VEBT_VEBT > nat ).

tff(aa_nat_fun_nat_bool_type,type,
    aa_nat_fun_nat_bool: ( fun_nat_fun_nat_bool * nat ) > fun_nat_bool ).

tff(ord_less_nat_type,type,
    ord_less_nat: fun_nat_fun_nat_bool ).

tff(1,plain,
    ( ~ pp(aa_nat_bool(vEBT_invar_vebt(nth_VEBT_VEBT(treeList,aa_nat_nat(aa_nat_fun_nat_nat(vEBT_VEBT_high,xa),na))),na))
  <=> ~ pp(aa_nat_bool(vEBT_invar_vebt(nth_VEBT_VEBT(treeList,aa_nat_nat(aa_nat_fun_nat_nat(vEBT_VEBT_high,ma),na))),na)) ),
    inference(rewrite,[status(thm)],]) ).

tff(2,plain,
    ( ~ pp(aa_nat_bool(vEBT_invar_vebt(nth_VEBT_VEBT(treeList,aa_nat_nat(aa_nat_fun_nat_nat(vEBT_VEBT_high,xa),na))),na))
  <=> ~ pp(aa_nat_bool(vEBT_invar_vebt(nth_VEBT_VEBT(treeList,aa_nat_nat(aa_nat_fun_nat_nat(vEBT_VEBT_high,xa),na))),na)) ),
    inference(rewrite,[status(thm)],]) ).

tff(3,axiom,
    ~ pp(aa_nat_bool(vEBT_invar_vebt(nth_VEBT_VEBT(treeList,aa_nat_nat(aa_nat_fun_nat_nat(vEBT_VEBT_high,xa),na))),na)),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',conj_0) ).

tff(4,plain,
    ~ pp(aa_nat_bool(vEBT_invar_vebt(nth_VEBT_VEBT(treeList,aa_nat_nat(aa_nat_fun_nat_nat(vEBT_VEBT_high,xa),na))),na)),
    inference(modus_ponens,[status(thm)],[3,2]) ).

tff(5,plain,
    ~ pp(aa_nat_bool(vEBT_invar_vebt(nth_VEBT_VEBT(treeList,aa_nat_nat(aa_nat_fun_nat_nat(vEBT_VEBT_high,ma),na))),na)),
    inference(modus_ponens,[status(thm)],[4,1]) ).

tff(6,plain,
    ( ~ pp(aa_nat_bool(vEBT_invar_vebt(nth_VEBT_VEBT(treeList,aa_nat_nat(aa_nat_fun_nat_nat(vEBT_VEBT_high,ma),na))),na))
    | ~ ! [Xa: nat,Xb: nat] :
          ( pp(aa_nat_bool(aa_VEB4832260192069861672t_bool(vEBT_V8194947554948674370ptions,vEBT_vebt_delete(nth_VEBT_VEBT(treeList,aa_nat_nat(aa_nat_fun_nat_nat(vEBT_VEBT_high,ma),na)),Xa)),Xb))
        <=> ~ ( ( Xa = Xb )
              | ~ pp(aa_nat_bool(aa_VEB4832260192069861672t_bool(vEBT_V8194947554948674370ptions,nth_VEBT_VEBT(treeList,aa_nat_nat(aa_nat_fun_nat_nat(vEBT_VEBT_high,ma),na))),Xb)) ) )
    | pp(aa_nat_bool(vEBT_invar_vebt(nth_VEBT_VEBT(treeList,aa_nat_nat(aa_nat_fun_nat_nat(vEBT_VEBT_high,ma),na))),na)) ),
    inference(tautology,[status(thm)],]) ).

tff(7,plain,
    ( ~ pp(aa_nat_bool(vEBT_invar_vebt(nth_VEBT_VEBT(treeList,aa_nat_nat(aa_nat_fun_nat_nat(vEBT_VEBT_high,ma),na))),na))
    | ~ ! [Xa: nat,Xb: nat] :
          ( pp(aa_nat_bool(aa_VEB4832260192069861672t_bool(vEBT_V8194947554948674370ptions,vEBT_vebt_delete(nth_VEBT_VEBT(treeList,aa_nat_nat(aa_nat_fun_nat_nat(vEBT_VEBT_high,ma),na)),Xa)),Xb))
        <=> ~ ( ( Xa = Xb )
              | ~ pp(aa_nat_bool(aa_VEB4832260192069861672t_bool(vEBT_V8194947554948674370ptions,nth_VEBT_VEBT(treeList,aa_nat_nat(aa_nat_fun_nat_nat(vEBT_VEBT_high,ma),na))),Xb)) ) ) ),
    inference(unit_resolution,[status(thm)],[6,5]) ).

tff(8,plain,
    ^ [N: nat,Xs: list_VEBT_VEBT] :
      refl(
        ( ( ~ pp(aa_nat_bool(aa_nat_fun_nat_bool(ord_less_nat,N),size_s6755466524823107622T_VEBT(Xs)))
          | pp(aa_set8260762808118238015T_bool(aa_VEB289770264548726718T_bool(member_VEBT_VEBT,nth_VEBT_VEBT(Xs,N)),set_VEBT_VEBT2(Xs))) )
      <=> ( ~ pp(aa_nat_bool(aa_nat_fun_nat_bool(ord_less_nat,N),size_s6755466524823107622T_VEBT(Xs)))
          | pp(aa_set8260762808118238015T_bool(aa_VEB289770264548726718T_bool(member_VEBT_VEBT,nth_VEBT_VEBT(Xs,N)),set_VEBT_VEBT2(Xs))) ) )),
    inference(bind,[status(th)],]) ).

tff(9,plain,
    ( ! [N: nat,Xs: list_VEBT_VEBT] :
        ( ~ pp(aa_nat_bool(aa_nat_fun_nat_bool(ord_less_nat,N),size_s6755466524823107622T_VEBT(Xs)))
        | pp(aa_set8260762808118238015T_bool(aa_VEB289770264548726718T_bool(member_VEBT_VEBT,nth_VEBT_VEBT(Xs,N)),set_VEBT_VEBT2(Xs))) )
  <=> ! [N: nat,Xs: list_VEBT_VEBT] :
        ( ~ pp(aa_nat_bool(aa_nat_fun_nat_bool(ord_less_nat,N),size_s6755466524823107622T_VEBT(Xs)))
        | pp(aa_set8260762808118238015T_bool(aa_VEB289770264548726718T_bool(member_VEBT_VEBT,nth_VEBT_VEBT(Xs,N)),set_VEBT_VEBT2(Xs))) ) ),
    inference(quant_intro,[status(thm)],[8]) ).

tff(10,plain,
    ( ! [N: nat,Xs: list_VEBT_VEBT] :
        ( ~ pp(aa_nat_bool(aa_nat_fun_nat_bool(ord_less_nat,N),size_s6755466524823107622T_VEBT(Xs)))
        | pp(aa_set8260762808118238015T_bool(aa_VEB289770264548726718T_bool(member_VEBT_VEBT,nth_VEBT_VEBT(Xs,N)),set_VEBT_VEBT2(Xs))) )
  <=> ! [N: nat,Xs: list_VEBT_VEBT] :
        ( ~ pp(aa_nat_bool(aa_nat_fun_nat_bool(ord_less_nat,N),size_s6755466524823107622T_VEBT(Xs)))
        | pp(aa_set8260762808118238015T_bool(aa_VEB289770264548726718T_bool(member_VEBT_VEBT,nth_VEBT_VEBT(Xs,N)),set_VEBT_VEBT2(Xs))) ) ),
    inference(rewrite,[status(thm)],]) ).

tff(11,plain,
    ^ [N: nat,Xs: list_VEBT_VEBT] :
      rewrite(
        ( ( pp(aa_nat_bool(aa_nat_fun_nat_bool(ord_less_nat,N),size_s6755466524823107622T_VEBT(Xs)))
         => pp(aa_set8260762808118238015T_bool(aa_VEB289770264548726718T_bool(member_VEBT_VEBT,nth_VEBT_VEBT(Xs,N)),set_VEBT_VEBT2(Xs))) )
      <=> ( ~ pp(aa_nat_bool(aa_nat_fun_nat_bool(ord_less_nat,N),size_s6755466524823107622T_VEBT(Xs)))
          | pp(aa_set8260762808118238015T_bool(aa_VEB289770264548726718T_bool(member_VEBT_VEBT,nth_VEBT_VEBT(Xs,N)),set_VEBT_VEBT2(Xs))) ) )),
    inference(bind,[status(th)],]) ).

tff(12,plain,
    ( ! [N: nat,Xs: list_VEBT_VEBT] :
        ( pp(aa_nat_bool(aa_nat_fun_nat_bool(ord_less_nat,N),size_s6755466524823107622T_VEBT(Xs)))
       => pp(aa_set8260762808118238015T_bool(aa_VEB289770264548726718T_bool(member_VEBT_VEBT,nth_VEBT_VEBT(Xs,N)),set_VEBT_VEBT2(Xs))) )
  <=> ! [N: nat,Xs: list_VEBT_VEBT] :
        ( ~ pp(aa_nat_bool(aa_nat_fun_nat_bool(ord_less_nat,N),size_s6755466524823107622T_VEBT(Xs)))
        | pp(aa_set8260762808118238015T_bool(aa_VEB289770264548726718T_bool(member_VEBT_VEBT,nth_VEBT_VEBT(Xs,N)),set_VEBT_VEBT2(Xs))) ) ),
    inference(quant_intro,[status(thm)],[11]) ).

tff(13,axiom,
    ! [N: nat,Xs: list_VEBT_VEBT] :
      ( pp(aa_nat_bool(aa_nat_fun_nat_bool(ord_less_nat,N),size_s6755466524823107622T_VEBT(Xs)))
     => pp(aa_set8260762808118238015T_bool(aa_VEB289770264548726718T_bool(member_VEBT_VEBT,nth_VEBT_VEBT(Xs,N)),set_VEBT_VEBT2(Xs))) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',fact_137_nth__mem) ).

tff(14,plain,
    ! [N: nat,Xs: list_VEBT_VEBT] :
      ( ~ pp(aa_nat_bool(aa_nat_fun_nat_bool(ord_less_nat,N),size_s6755466524823107622T_VEBT(Xs)))
      | pp(aa_set8260762808118238015T_bool(aa_VEB289770264548726718T_bool(member_VEBT_VEBT,nth_VEBT_VEBT(Xs,N)),set_VEBT_VEBT2(Xs))) ),
    inference(modus_ponens,[status(thm)],[13,12]) ).

tff(15,plain,
    ! [N: nat,Xs: list_VEBT_VEBT] :
      ( ~ pp(aa_nat_bool(aa_nat_fun_nat_bool(ord_less_nat,N),size_s6755466524823107622T_VEBT(Xs)))
      | pp(aa_set8260762808118238015T_bool(aa_VEB289770264548726718T_bool(member_VEBT_VEBT,nth_VEBT_VEBT(Xs,N)),set_VEBT_VEBT2(Xs))) ),
    inference(modus_ponens,[status(thm)],[14,10]) ).

tff(16,plain,
    ! [N: nat,Xs: list_VEBT_VEBT] :
      ( ~ pp(aa_nat_bool(aa_nat_fun_nat_bool(ord_less_nat,N),size_s6755466524823107622T_VEBT(Xs)))
      | pp(aa_set8260762808118238015T_bool(aa_VEB289770264548726718T_bool(member_VEBT_VEBT,nth_VEBT_VEBT(Xs,N)),set_VEBT_VEBT2(Xs))) ),
    inference(skolemize,[status(sab)],[15]) ).

tff(17,plain,
    ! [N: nat,Xs: list_VEBT_VEBT] :
      ( ~ pp(aa_nat_bool(aa_nat_fun_nat_bool(ord_less_nat,N),size_s6755466524823107622T_VEBT(Xs)))
      | pp(aa_set8260762808118238015T_bool(aa_VEB289770264548726718T_bool(member_VEBT_VEBT,nth_VEBT_VEBT(Xs,N)),set_VEBT_VEBT2(Xs))) ),
    inference(modus_ponens,[status(thm)],[16,9]) ).

tff(18,plain,
    ( pp(aa_nat_bool(aa_nat_fun_nat_bool(ord_less_nat,aa_nat_nat(aa_nat_fun_nat_nat(vEBT_VEBT_high,xa),na)),size_s6755466524823107622T_VEBT(treeList)))
  <=> pp(aa_nat_bool(aa_nat_fun_nat_bool(ord_less_nat,aa_nat_nat(aa_nat_fun_nat_nat(vEBT_VEBT_high,ma),na)),size_s6755466524823107622T_VEBT(treeList))) ),
    inference(rewrite,[status(thm)],]) ).

tff(19,plain,
    ( pp(aa_nat_bool(aa_nat_fun_nat_bool(ord_less_nat,aa_nat_nat(aa_nat_fun_nat_nat(vEBT_VEBT_high,xa),na)),size_s6755466524823107622T_VEBT(treeList)))
  <=> pp(aa_nat_bool(aa_nat_fun_nat_bool(ord_less_nat,aa_nat_nat(aa_nat_fun_nat_nat(vEBT_VEBT_high,xa),na)),size_s6755466524823107622T_VEBT(treeList))) ),
    inference(rewrite,[status(thm)],]) ).

tff(20,axiom,
    pp(aa_nat_bool(aa_nat_fun_nat_bool(ord_less_nat,aa_nat_nat(aa_nat_fun_nat_nat(vEBT_VEBT_high,xa),na)),size_s6755466524823107622T_VEBT(treeList))),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',fact_8__092_060open_062high_Ax_An_A_060_Alength_AtreeList_092_060close_062) ).

tff(21,plain,
    pp(aa_nat_bool(aa_nat_fun_nat_bool(ord_less_nat,aa_nat_nat(aa_nat_fun_nat_nat(vEBT_VEBT_high,xa),na)),size_s6755466524823107622T_VEBT(treeList))),
    inference(modus_ponens,[status(thm)],[20,19]) ).

tff(22,plain,
    pp(aa_nat_bool(aa_nat_fun_nat_bool(ord_less_nat,aa_nat_nat(aa_nat_fun_nat_nat(vEBT_VEBT_high,ma),na)),size_s6755466524823107622T_VEBT(treeList))),
    inference(modus_ponens,[status(thm)],[21,18]) ).

tff(23,plain,
    ( ( ~ ! [N: nat,Xs: list_VEBT_VEBT] :
            ( ~ pp(aa_nat_bool(aa_nat_fun_nat_bool(ord_less_nat,N),size_s6755466524823107622T_VEBT(Xs)))
            | pp(aa_set8260762808118238015T_bool(aa_VEB289770264548726718T_bool(member_VEBT_VEBT,nth_VEBT_VEBT(Xs,N)),set_VEBT_VEBT2(Xs))) )
      | ~ pp(aa_nat_bool(aa_nat_fun_nat_bool(ord_less_nat,aa_nat_nat(aa_nat_fun_nat_nat(vEBT_VEBT_high,ma),na)),size_s6755466524823107622T_VEBT(treeList)))
      | pp(aa_set8260762808118238015T_bool(aa_VEB289770264548726718T_bool(member_VEBT_VEBT,nth_VEBT_VEBT(treeList,aa_nat_nat(aa_nat_fun_nat_nat(vEBT_VEBT_high,ma),na))),set_VEBT_VEBT2(treeList))) )
  <=> ( ~ ! [N: nat,Xs: list_VEBT_VEBT] :
            ( ~ pp(aa_nat_bool(aa_nat_fun_nat_bool(ord_less_nat,N),size_s6755466524823107622T_VEBT(Xs)))
            | pp(aa_set8260762808118238015T_bool(aa_VEB289770264548726718T_bool(member_VEBT_VEBT,nth_VEBT_VEBT(Xs,N)),set_VEBT_VEBT2(Xs))) )
      | ~ pp(aa_nat_bool(aa_nat_fun_nat_bool(ord_less_nat,aa_nat_nat(aa_nat_fun_nat_nat(vEBT_VEBT_high,ma),na)),size_s6755466524823107622T_VEBT(treeList)))
      | pp(aa_set8260762808118238015T_bool(aa_VEB289770264548726718T_bool(member_VEBT_VEBT,nth_VEBT_VEBT(treeList,aa_nat_nat(aa_nat_fun_nat_nat(vEBT_VEBT_high,ma),na))),set_VEBT_VEBT2(treeList))) ) ),
    inference(rewrite,[status(thm)],]) ).

tff(24,plain,
    ( ~ ! [N: nat,Xs: list_VEBT_VEBT] :
          ( ~ pp(aa_nat_bool(aa_nat_fun_nat_bool(ord_less_nat,N),size_s6755466524823107622T_VEBT(Xs)))
          | pp(aa_set8260762808118238015T_bool(aa_VEB289770264548726718T_bool(member_VEBT_VEBT,nth_VEBT_VEBT(Xs,N)),set_VEBT_VEBT2(Xs))) )
    | ~ pp(aa_nat_bool(aa_nat_fun_nat_bool(ord_less_nat,aa_nat_nat(aa_nat_fun_nat_nat(vEBT_VEBT_high,ma),na)),size_s6755466524823107622T_VEBT(treeList)))
    | pp(aa_set8260762808118238015T_bool(aa_VEB289770264548726718T_bool(member_VEBT_VEBT,nth_VEBT_VEBT(treeList,aa_nat_nat(aa_nat_fun_nat_nat(vEBT_VEBT_high,ma),na))),set_VEBT_VEBT2(treeList))) ),
    inference(quant_inst,[status(thm)],]) ).

tff(25,plain,
    ( ~ ! [N: nat,Xs: list_VEBT_VEBT] :
          ( ~ pp(aa_nat_bool(aa_nat_fun_nat_bool(ord_less_nat,N),size_s6755466524823107622T_VEBT(Xs)))
          | pp(aa_set8260762808118238015T_bool(aa_VEB289770264548726718T_bool(member_VEBT_VEBT,nth_VEBT_VEBT(Xs,N)),set_VEBT_VEBT2(Xs))) )
    | ~ pp(aa_nat_bool(aa_nat_fun_nat_bool(ord_less_nat,aa_nat_nat(aa_nat_fun_nat_nat(vEBT_VEBT_high,ma),na)),size_s6755466524823107622T_VEBT(treeList)))
    | pp(aa_set8260762808118238015T_bool(aa_VEB289770264548726718T_bool(member_VEBT_VEBT,nth_VEBT_VEBT(treeList,aa_nat_nat(aa_nat_fun_nat_nat(vEBT_VEBT_high,ma),na))),set_VEBT_VEBT2(treeList))) ),
    inference(modus_ponens,[status(thm)],[24,23]) ).

tff(26,plain,
    pp(aa_set8260762808118238015T_bool(aa_VEB289770264548726718T_bool(member_VEBT_VEBT,nth_VEBT_VEBT(treeList,aa_nat_nat(aa_nat_fun_nat_nat(vEBT_VEBT_high,ma),na))),set_VEBT_VEBT2(treeList))),
    inference(unit_resolution,[status(thm)],[25,22,17]) ).

tff(27,plain,
    ^ [X2: vEBT_VEBT] :
      refl(
        ( ( ~ pp(aa_set8260762808118238015T_bool(aa_VEB289770264548726718T_bool(member_VEBT_VEBT,X2),set_VEBT_VEBT2(treeList)))
          | ~ ( ~ pp(aa_nat_bool(vEBT_invar_vebt(X2),na))
              | ~ ! [Xa: nat,Xb: nat] :
                    ( pp(aa_nat_bool(aa_VEB4832260192069861672t_bool(vEBT_V8194947554948674370ptions,vEBT_vebt_delete(X2,Xa)),Xb))
                  <=> ~ ( ( Xa = Xb )
                        | ~ pp(aa_nat_bool(aa_VEB4832260192069861672t_bool(vEBT_V8194947554948674370ptions,X2),Xb)) ) ) ) )
      <=> ( ~ pp(aa_set8260762808118238015T_bool(aa_VEB289770264548726718T_bool(member_VEBT_VEBT,X2),set_VEBT_VEBT2(treeList)))
          | ~ ( ~ pp(aa_nat_bool(vEBT_invar_vebt(X2),na))
              | ~ ! [Xa: nat,Xb: nat] :
                    ( pp(aa_nat_bool(aa_VEB4832260192069861672t_bool(vEBT_V8194947554948674370ptions,vEBT_vebt_delete(X2,Xa)),Xb))
                  <=> ~ ( ( Xa = Xb )
                        | ~ pp(aa_nat_bool(aa_VEB4832260192069861672t_bool(vEBT_V8194947554948674370ptions,X2),Xb)) ) ) ) ) )),
    inference(bind,[status(th)],]) ).

tff(28,plain,
    ( ! [X2: vEBT_VEBT] :
        ( ~ pp(aa_set8260762808118238015T_bool(aa_VEB289770264548726718T_bool(member_VEBT_VEBT,X2),set_VEBT_VEBT2(treeList)))
        | ~ ( ~ pp(aa_nat_bool(vEBT_invar_vebt(X2),na))
            | ~ ! [Xa: nat,Xb: nat] :
                  ( pp(aa_nat_bool(aa_VEB4832260192069861672t_bool(vEBT_V8194947554948674370ptions,vEBT_vebt_delete(X2,Xa)),Xb))
                <=> ~ ( ( Xa = Xb )
                      | ~ pp(aa_nat_bool(aa_VEB4832260192069861672t_bool(vEBT_V8194947554948674370ptions,X2),Xb)) ) ) ) )
  <=> ! [X2: vEBT_VEBT] :
        ( ~ pp(aa_set8260762808118238015T_bool(aa_VEB289770264548726718T_bool(member_VEBT_VEBT,X2),set_VEBT_VEBT2(treeList)))
        | ~ ( ~ pp(aa_nat_bool(vEBT_invar_vebt(X2),na))
            | ~ ! [Xa: nat,Xb: nat] :
                  ( pp(aa_nat_bool(aa_VEB4832260192069861672t_bool(vEBT_V8194947554948674370ptions,vEBT_vebt_delete(X2,Xa)),Xb))
                <=> ~ ( ( Xa = Xb )
                      | ~ pp(aa_nat_bool(aa_VEB4832260192069861672t_bool(vEBT_V8194947554948674370ptions,X2),Xb)) ) ) ) ) ),
    inference(quant_intro,[status(thm)],[27]) ).

tff(29,plain,
    ^ [X2: vEBT_VEBT] :
      rewrite(
        ( ( ~ pp(aa_set8260762808118238015T_bool(aa_VEB289770264548726718T_bool(member_VEBT_VEBT,X2),set_VEBT_VEBT2(treeList)))
          | ~ ( ~ pp(aa_nat_bool(vEBT_invar_vebt(X2),na))
              | ~ ! [Xa: nat,Xb: nat] :
                    ( pp(aa_nat_bool(aa_VEB4832260192069861672t_bool(vEBT_V8194947554948674370ptions,vEBT_vebt_delete(X2,Xa)),Xb))
                  <=> ~ ( ( Xa = Xb )
                        | ~ pp(aa_nat_bool(aa_VEB4832260192069861672t_bool(vEBT_V8194947554948674370ptions,X2),Xb)) ) ) ) )
      <=> ( ~ pp(aa_set8260762808118238015T_bool(aa_VEB289770264548726718T_bool(member_VEBT_VEBT,X2),set_VEBT_VEBT2(treeList)))
          | ~ ( ~ pp(aa_nat_bool(vEBT_invar_vebt(X2),na))
              | ~ ! [Xa: nat,Xb: nat] :
                    ( pp(aa_nat_bool(aa_VEB4832260192069861672t_bool(vEBT_V8194947554948674370ptions,vEBT_vebt_delete(X2,Xa)),Xb))
                  <=> ~ ( ( Xa = Xb )
                        | ~ pp(aa_nat_bool(aa_VEB4832260192069861672t_bool(vEBT_V8194947554948674370ptions,X2),Xb)) ) ) ) ) )),
    inference(bind,[status(th)],]) ).

tff(30,plain,
    ( ! [X2: vEBT_VEBT] :
        ( ~ pp(aa_set8260762808118238015T_bool(aa_VEB289770264548726718T_bool(member_VEBT_VEBT,X2),set_VEBT_VEBT2(treeList)))
        | ~ ( ~ pp(aa_nat_bool(vEBT_invar_vebt(X2),na))
            | ~ ! [Xa: nat,Xb: nat] :
                  ( pp(aa_nat_bool(aa_VEB4832260192069861672t_bool(vEBT_V8194947554948674370ptions,vEBT_vebt_delete(X2,Xa)),Xb))
                <=> ~ ( ( Xa = Xb )
                      | ~ pp(aa_nat_bool(aa_VEB4832260192069861672t_bool(vEBT_V8194947554948674370ptions,X2),Xb)) ) ) ) )
  <=> ! [X2: vEBT_VEBT] :
        ( ~ pp(aa_set8260762808118238015T_bool(aa_VEB289770264548726718T_bool(member_VEBT_VEBT,X2),set_VEBT_VEBT2(treeList)))
        | ~ ( ~ pp(aa_nat_bool(vEBT_invar_vebt(X2),na))
            | ~ ! [Xa: nat,Xb: nat] :
                  ( pp(aa_nat_bool(aa_VEB4832260192069861672t_bool(vEBT_V8194947554948674370ptions,vEBT_vebt_delete(X2,Xa)),Xb))
                <=> ~ ( ( Xa = Xb )
                      | ~ pp(aa_nat_bool(aa_VEB4832260192069861672t_bool(vEBT_V8194947554948674370ptions,X2),Xb)) ) ) ) ) ),
    inference(quant_intro,[status(thm)],[29]) ).

tff(31,plain,
    ( ! [X2: vEBT_VEBT] :
        ( ~ pp(aa_set8260762808118238015T_bool(aa_VEB289770264548726718T_bool(member_VEBT_VEBT,X2),set_VEBT_VEBT2(treeList)))
        | ~ ( ~ pp(aa_nat_bool(vEBT_invar_vebt(X2),na))
            | ~ ! [Xa: nat,Xb: nat] :
                  ( pp(aa_nat_bool(aa_VEB4832260192069861672t_bool(vEBT_V8194947554948674370ptions,vEBT_vebt_delete(X2,Xa)),Xb))
                <=> ~ ( ( Xa = Xb )
                      | ~ pp(aa_nat_bool(aa_VEB4832260192069861672t_bool(vEBT_V8194947554948674370ptions,X2),Xb)) ) ) ) )
  <=> ! [X2: vEBT_VEBT] :
        ( ~ pp(aa_set8260762808118238015T_bool(aa_VEB289770264548726718T_bool(member_VEBT_VEBT,X2),set_VEBT_VEBT2(treeList)))
        | ~ ( ~ pp(aa_nat_bool(vEBT_invar_vebt(X2),na))
            | ~ ! [Xa: nat,Xb: nat] :
                  ( pp(aa_nat_bool(aa_VEB4832260192069861672t_bool(vEBT_V8194947554948674370ptions,vEBT_vebt_delete(X2,Xa)),Xb))
                <=> ~ ( ( Xa = Xb )
                      | ~ pp(aa_nat_bool(aa_VEB4832260192069861672t_bool(vEBT_V8194947554948674370ptions,X2),Xb)) ) ) ) ) ),
    inference(transitivity,[status(thm)],[30,28]) ).

tff(32,plain,
    ^ [X2: vEBT_VEBT] :
      rewrite(
        ( ( ~ pp(aa_set8260762808118238015T_bool(aa_VEB289770264548726718T_bool(member_VEBT_VEBT,X2),set_VEBT_VEBT2(treeList)))
          | ( pp(aa_nat_bool(vEBT_invar_vebt(X2),na))
            & ! [Xa: nat,Xb: nat] :
                ( pp(aa_nat_bool(aa_VEB4832260192069861672t_bool(vEBT_V8194947554948674370ptions,vEBT_vebt_delete(X2,Xa)),Xb))
              <=> ( ( Xa != Xb )
                  & pp(aa_nat_bool(aa_VEB4832260192069861672t_bool(vEBT_V8194947554948674370ptions,X2),Xb)) ) ) ) )
      <=> ( ~ pp(aa_set8260762808118238015T_bool(aa_VEB289770264548726718T_bool(member_VEBT_VEBT,X2),set_VEBT_VEBT2(treeList)))
          | ~ ( ~ pp(aa_nat_bool(vEBT_invar_vebt(X2),na))
              | ~ ! [Xa: nat,Xb: nat] :
                    ( pp(aa_nat_bool(aa_VEB4832260192069861672t_bool(vEBT_V8194947554948674370ptions,vEBT_vebt_delete(X2,Xa)),Xb))
                  <=> ~ ( ( Xa = Xb )
                        | ~ pp(aa_nat_bool(aa_VEB4832260192069861672t_bool(vEBT_V8194947554948674370ptions,X2),Xb)) ) ) ) ) )),
    inference(bind,[status(th)],]) ).

tff(33,plain,
    ( ! [X2: vEBT_VEBT] :
        ( ~ pp(aa_set8260762808118238015T_bool(aa_VEB289770264548726718T_bool(member_VEBT_VEBT,X2),set_VEBT_VEBT2(treeList)))
        | ( pp(aa_nat_bool(vEBT_invar_vebt(X2),na))
          & ! [Xa: nat,Xb: nat] :
              ( pp(aa_nat_bool(aa_VEB4832260192069861672t_bool(vEBT_V8194947554948674370ptions,vEBT_vebt_delete(X2,Xa)),Xb))
            <=> ( ( Xa != Xb )
                & pp(aa_nat_bool(aa_VEB4832260192069861672t_bool(vEBT_V8194947554948674370ptions,X2),Xb)) ) ) ) )
  <=> ! [X2: vEBT_VEBT] :
        ( ~ pp(aa_set8260762808118238015T_bool(aa_VEB289770264548726718T_bool(member_VEBT_VEBT,X2),set_VEBT_VEBT2(treeList)))
        | ~ ( ~ pp(aa_nat_bool(vEBT_invar_vebt(X2),na))
            | ~ ! [Xa: nat,Xb: nat] :
                  ( pp(aa_nat_bool(aa_VEB4832260192069861672t_bool(vEBT_V8194947554948674370ptions,vEBT_vebt_delete(X2,Xa)),Xb))
                <=> ~ ( ( Xa = Xb )
                      | ~ pp(aa_nat_bool(aa_VEB4832260192069861672t_bool(vEBT_V8194947554948674370ptions,X2),Xb)) ) ) ) ) ),
    inference(quant_intro,[status(thm)],[32]) ).

tff(34,plain,
    ( ! [X2: vEBT_VEBT] :
        ( ~ pp(aa_set8260762808118238015T_bool(aa_VEB289770264548726718T_bool(member_VEBT_VEBT,X2),set_VEBT_VEBT2(treeList)))
        | ( pp(aa_nat_bool(vEBT_invar_vebt(X2),na))
          & ! [Xa: nat,Xb: nat] :
              ( pp(aa_nat_bool(aa_VEB4832260192069861672t_bool(vEBT_V8194947554948674370ptions,vEBT_vebt_delete(X2,Xa)),Xb))
            <=> ( ( Xa != Xb )
                & pp(aa_nat_bool(aa_VEB4832260192069861672t_bool(vEBT_V8194947554948674370ptions,X2),Xb)) ) ) ) )
  <=> ! [X2: vEBT_VEBT] :
        ( ~ pp(aa_set8260762808118238015T_bool(aa_VEB289770264548726718T_bool(member_VEBT_VEBT,X2),set_VEBT_VEBT2(treeList)))
        | ( pp(aa_nat_bool(vEBT_invar_vebt(X2),na))
          & ! [Xa: nat,Xb: nat] :
              ( pp(aa_nat_bool(aa_VEB4832260192069861672t_bool(vEBT_V8194947554948674370ptions,vEBT_vebt_delete(X2,Xa)),Xb))
            <=> ( ( Xa != Xb )
                & pp(aa_nat_bool(aa_VEB4832260192069861672t_bool(vEBT_V8194947554948674370ptions,X2),Xb)) ) ) ) ) ),
    inference(rewrite,[status(thm)],]) ).

tff(35,plain,
    ^ [X2: vEBT_VEBT] :
      trans(
        monotonicity(
          rewrite(
            ( ( pp(aa_nat_bool(vEBT_invar_vebt(X2),na))
              & ! [Xa: nat,Xb: nat] :
                  ( pp(aa_nat_bool(aa_VEB4832260192069861672t_bool(vEBT_V8194947554948674370ptions,vEBT_vebt_delete(X2,Xa)),Xb))
                <=> ( ( Xa != Xb )
                    & pp(aa_nat_bool(aa_VEB4832260192069861672t_bool(vEBT_V8194947554948674370ptions,X2),Xb)) ) ) )
          <=> ( pp(aa_nat_bool(vEBT_invar_vebt(X2),na))
              & ! [Xa: nat,Xb: nat] :
                  ( pp(aa_nat_bool(aa_VEB4832260192069861672t_bool(vEBT_V8194947554948674370ptions,vEBT_vebt_delete(X2,Xa)),Xb))
                <=> ( ( Xa != Xb )
                    & pp(aa_nat_bool(aa_VEB4832260192069861672t_bool(vEBT_V8194947554948674370ptions,X2),Xb)) ) ) ) )),
          ( ( pp(aa_set8260762808118238015T_bool(aa_VEB289770264548726718T_bool(member_VEBT_VEBT,X2),set_VEBT_VEBT2(treeList)))
           => ( pp(aa_nat_bool(vEBT_invar_vebt(X2),na))
              & ! [Xa: nat,Xb: nat] :
                  ( pp(aa_nat_bool(aa_VEB4832260192069861672t_bool(vEBT_V8194947554948674370ptions,vEBT_vebt_delete(X2,Xa)),Xb))
                <=> ( ( Xa != Xb )
                    & pp(aa_nat_bool(aa_VEB4832260192069861672t_bool(vEBT_V8194947554948674370ptions,X2),Xb)) ) ) ) )
        <=> ( pp(aa_set8260762808118238015T_bool(aa_VEB289770264548726718T_bool(member_VEBT_VEBT,X2),set_VEBT_VEBT2(treeList)))
           => ( pp(aa_nat_bool(vEBT_invar_vebt(X2),na))
              & ! [Xa: nat,Xb: nat] :
                  ( pp(aa_nat_bool(aa_VEB4832260192069861672t_bool(vEBT_V8194947554948674370ptions,vEBT_vebt_delete(X2,Xa)),Xb))
                <=> ( ( Xa != Xb )
                    & pp(aa_nat_bool(aa_VEB4832260192069861672t_bool(vEBT_V8194947554948674370ptions,X2),Xb)) ) ) ) ) )),
        rewrite(
          ( ( pp(aa_set8260762808118238015T_bool(aa_VEB289770264548726718T_bool(member_VEBT_VEBT,X2),set_VEBT_VEBT2(treeList)))
           => ( pp(aa_nat_bool(vEBT_invar_vebt(X2),na))
              & ! [Xa: nat,Xb: nat] :
                  ( pp(aa_nat_bool(aa_VEB4832260192069861672t_bool(vEBT_V8194947554948674370ptions,vEBT_vebt_delete(X2,Xa)),Xb))
                <=> ( ( Xa != Xb )
                    & pp(aa_nat_bool(aa_VEB4832260192069861672t_bool(vEBT_V8194947554948674370ptions,X2),Xb)) ) ) ) )
        <=> ( ~ pp(aa_set8260762808118238015T_bool(aa_VEB289770264548726718T_bool(member_VEBT_VEBT,X2),set_VEBT_VEBT2(treeList)))
            | ( pp(aa_nat_bool(vEBT_invar_vebt(X2),na))
              & ! [Xa: nat,Xb: nat] :
                  ( pp(aa_nat_bool(aa_VEB4832260192069861672t_bool(vEBT_V8194947554948674370ptions,vEBT_vebt_delete(X2,Xa)),Xb))
                <=> ( ( Xa != Xb )
                    & pp(aa_nat_bool(aa_VEB4832260192069861672t_bool(vEBT_V8194947554948674370ptions,X2),Xb)) ) ) ) ) )),
        ( ( pp(aa_set8260762808118238015T_bool(aa_VEB289770264548726718T_bool(member_VEBT_VEBT,X2),set_VEBT_VEBT2(treeList)))
         => ( pp(aa_nat_bool(vEBT_invar_vebt(X2),na))
            & ! [Xa: nat,Xb: nat] :
                ( pp(aa_nat_bool(aa_VEB4832260192069861672t_bool(vEBT_V8194947554948674370ptions,vEBT_vebt_delete(X2,Xa)),Xb))
              <=> ( ( Xa != Xb )
                  & pp(aa_nat_bool(aa_VEB4832260192069861672t_bool(vEBT_V8194947554948674370ptions,X2),Xb)) ) ) ) )
      <=> ( ~ pp(aa_set8260762808118238015T_bool(aa_VEB289770264548726718T_bool(member_VEBT_VEBT,X2),set_VEBT_VEBT2(treeList)))
          | ( pp(aa_nat_bool(vEBT_invar_vebt(X2),na))
            & ! [Xa: nat,Xb: nat] :
                ( pp(aa_nat_bool(aa_VEB4832260192069861672t_bool(vEBT_V8194947554948674370ptions,vEBT_vebt_delete(X2,Xa)),Xb))
              <=> ( ( Xa != Xb )
                  & pp(aa_nat_bool(aa_VEB4832260192069861672t_bool(vEBT_V8194947554948674370ptions,X2),Xb)) ) ) ) ) )),
    inference(bind,[status(th)],]) ).

tff(36,plain,
    ( ! [X2: vEBT_VEBT] :
        ( pp(aa_set8260762808118238015T_bool(aa_VEB289770264548726718T_bool(member_VEBT_VEBT,X2),set_VEBT_VEBT2(treeList)))
       => ( pp(aa_nat_bool(vEBT_invar_vebt(X2),na))
          & ! [Xa: nat,Xb: nat] :
              ( pp(aa_nat_bool(aa_VEB4832260192069861672t_bool(vEBT_V8194947554948674370ptions,vEBT_vebt_delete(X2,Xa)),Xb))
            <=> ( ( Xa != Xb )
                & pp(aa_nat_bool(aa_VEB4832260192069861672t_bool(vEBT_V8194947554948674370ptions,X2),Xb)) ) ) ) )
  <=> ! [X2: vEBT_VEBT] :
        ( ~ pp(aa_set8260762808118238015T_bool(aa_VEB289770264548726718T_bool(member_VEBT_VEBT,X2),set_VEBT_VEBT2(treeList)))
        | ( pp(aa_nat_bool(vEBT_invar_vebt(X2),na))
          & ! [Xa: nat,Xb: nat] :
              ( pp(aa_nat_bool(aa_VEB4832260192069861672t_bool(vEBT_V8194947554948674370ptions,vEBT_vebt_delete(X2,Xa)),Xb))
            <=> ( ( Xa != Xb )
                & pp(aa_nat_bool(aa_VEB4832260192069861672t_bool(vEBT_V8194947554948674370ptions,X2),Xb)) ) ) ) ) ),
    inference(quant_intro,[status(thm)],[35]) ).

tff(37,axiom,
    ! [X2: vEBT_VEBT] :
      ( pp(aa_set8260762808118238015T_bool(aa_VEB289770264548726718T_bool(member_VEBT_VEBT,X2),set_VEBT_VEBT2(treeList)))
     => ( pp(aa_nat_bool(vEBT_invar_vebt(X2),na))
        & ! [Xa: nat,Xb: nat] :
            ( pp(aa_nat_bool(aa_VEB4832260192069861672t_bool(vEBT_V8194947554948674370ptions,vEBT_vebt_delete(X2,Xa)),Xb))
          <=> ( ( Xa != Xb )
              & pp(aa_nat_bool(aa_VEB4832260192069861672t_bool(vEBT_V8194947554948674370ptions,X2),Xb)) ) ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',fact_23__C4_OIH_C_I1_J) ).

tff(38,plain,
    ! [X2: vEBT_VEBT] :
      ( ~ pp(aa_set8260762808118238015T_bool(aa_VEB289770264548726718T_bool(member_VEBT_VEBT,X2),set_VEBT_VEBT2(treeList)))
      | ( pp(aa_nat_bool(vEBT_invar_vebt(X2),na))
        & ! [Xa: nat,Xb: nat] :
            ( pp(aa_nat_bool(aa_VEB4832260192069861672t_bool(vEBT_V8194947554948674370ptions,vEBT_vebt_delete(X2,Xa)),Xb))
          <=> ( ( Xa != Xb )
              & pp(aa_nat_bool(aa_VEB4832260192069861672t_bool(vEBT_V8194947554948674370ptions,X2),Xb)) ) ) ) ),
    inference(modus_ponens,[status(thm)],[37,36]) ).

tff(39,plain,
    ! [X2: vEBT_VEBT] :
      ( ~ pp(aa_set8260762808118238015T_bool(aa_VEB289770264548726718T_bool(member_VEBT_VEBT,X2),set_VEBT_VEBT2(treeList)))
      | ( pp(aa_nat_bool(vEBT_invar_vebt(X2),na))
        & ! [Xa: nat,Xb: nat] :
            ( pp(aa_nat_bool(aa_VEB4832260192069861672t_bool(vEBT_V8194947554948674370ptions,vEBT_vebt_delete(X2,Xa)),Xb))
          <=> ( ( Xa != Xb )
              & pp(aa_nat_bool(aa_VEB4832260192069861672t_bool(vEBT_V8194947554948674370ptions,X2),Xb)) ) ) ) ),
    inference(modus_ponens,[status(thm)],[38,34]) ).

tff(40,plain,
    ! [X2: vEBT_VEBT] :
      ( ~ pp(aa_set8260762808118238015T_bool(aa_VEB289770264548726718T_bool(member_VEBT_VEBT,X2),set_VEBT_VEBT2(treeList)))
      | ( pp(aa_nat_bool(vEBT_invar_vebt(X2),na))
        & ! [Xa: nat,Xb: nat] :
            ( pp(aa_nat_bool(aa_VEB4832260192069861672t_bool(vEBT_V8194947554948674370ptions,vEBT_vebt_delete(X2,Xa)),Xb))
          <=> ( ( Xa != Xb )
              & pp(aa_nat_bool(aa_VEB4832260192069861672t_bool(vEBT_V8194947554948674370ptions,X2),Xb)) ) ) ) ),
    inference(skolemize,[status(sab)],[39]) ).

tff(41,plain,
    ! [X2: vEBT_VEBT] :
      ( ~ pp(aa_set8260762808118238015T_bool(aa_VEB289770264548726718T_bool(member_VEBT_VEBT,X2),set_VEBT_VEBT2(treeList)))
      | ~ ( ~ pp(aa_nat_bool(vEBT_invar_vebt(X2),na))
          | ~ ! [Xa: nat,Xb: nat] :
                ( pp(aa_nat_bool(aa_VEB4832260192069861672t_bool(vEBT_V8194947554948674370ptions,vEBT_vebt_delete(X2,Xa)),Xb))
              <=> ~ ( ( Xa = Xb )
                    | ~ pp(aa_nat_bool(aa_VEB4832260192069861672t_bool(vEBT_V8194947554948674370ptions,X2),Xb)) ) ) ) ),
    inference(modus_ponens,[status(thm)],[40,33]) ).

tff(42,plain,
    ! [X2: vEBT_VEBT] :
      ( ~ pp(aa_set8260762808118238015T_bool(aa_VEB289770264548726718T_bool(member_VEBT_VEBT,X2),set_VEBT_VEBT2(treeList)))
      | ~ ( ~ pp(aa_nat_bool(vEBT_invar_vebt(X2),na))
          | ~ ! [Xa: nat,Xb: nat] :
                ( pp(aa_nat_bool(aa_VEB4832260192069861672t_bool(vEBT_V8194947554948674370ptions,vEBT_vebt_delete(X2,Xa)),Xb))
              <=> ~ ( ( Xa = Xb )
                    | ~ pp(aa_nat_bool(aa_VEB4832260192069861672t_bool(vEBT_V8194947554948674370ptions,X2),Xb)) ) ) ) ),
    inference(modus_ponens,[status(thm)],[41,31]) ).

tff(43,plain,
    ( ( ~ ! [X2: vEBT_VEBT] :
            ( ~ pp(aa_set8260762808118238015T_bool(aa_VEB289770264548726718T_bool(member_VEBT_VEBT,X2),set_VEBT_VEBT2(treeList)))
            | ~ ( ~ pp(aa_nat_bool(vEBT_invar_vebt(X2),na))
                | ~ ! [Xa: nat,Xb: nat] :
                      ( pp(aa_nat_bool(aa_VEB4832260192069861672t_bool(vEBT_V8194947554948674370ptions,vEBT_vebt_delete(X2,Xa)),Xb))
                    <=> ~ ( ( Xa = Xb )
                          | ~ pp(aa_nat_bool(aa_VEB4832260192069861672t_bool(vEBT_V8194947554948674370ptions,X2),Xb)) ) ) ) )
      | ~ pp(aa_set8260762808118238015T_bool(aa_VEB289770264548726718T_bool(member_VEBT_VEBT,nth_VEBT_VEBT(treeList,aa_nat_nat(aa_nat_fun_nat_nat(vEBT_VEBT_high,ma),na))),set_VEBT_VEBT2(treeList)))
      | ~ ( ~ pp(aa_nat_bool(vEBT_invar_vebt(nth_VEBT_VEBT(treeList,aa_nat_nat(aa_nat_fun_nat_nat(vEBT_VEBT_high,ma),na))),na))
          | ~ ! [Xa: nat,Xb: nat] :
                ( pp(aa_nat_bool(aa_VEB4832260192069861672t_bool(vEBT_V8194947554948674370ptions,vEBT_vebt_delete(nth_VEBT_VEBT(treeList,aa_nat_nat(aa_nat_fun_nat_nat(vEBT_VEBT_high,ma),na)),Xa)),Xb))
              <=> ~ ( ( Xa = Xb )
                    | ~ pp(aa_nat_bool(aa_VEB4832260192069861672t_bool(vEBT_V8194947554948674370ptions,nth_VEBT_VEBT(treeList,aa_nat_nat(aa_nat_fun_nat_nat(vEBT_VEBT_high,ma),na))),Xb)) ) ) ) )
  <=> ( ~ ! [X2: vEBT_VEBT] :
            ( ~ pp(aa_set8260762808118238015T_bool(aa_VEB289770264548726718T_bool(member_VEBT_VEBT,X2),set_VEBT_VEBT2(treeList)))
            | ~ ( ~ pp(aa_nat_bool(vEBT_invar_vebt(X2),na))
                | ~ ! [Xa: nat,Xb: nat] :
                      ( pp(aa_nat_bool(aa_VEB4832260192069861672t_bool(vEBT_V8194947554948674370ptions,vEBT_vebt_delete(X2,Xa)),Xb))
                    <=> ~ ( ( Xa = Xb )
                          | ~ pp(aa_nat_bool(aa_VEB4832260192069861672t_bool(vEBT_V8194947554948674370ptions,X2),Xb)) ) ) ) )
      | ~ pp(aa_set8260762808118238015T_bool(aa_VEB289770264548726718T_bool(member_VEBT_VEBT,nth_VEBT_VEBT(treeList,aa_nat_nat(aa_nat_fun_nat_nat(vEBT_VEBT_high,ma),na))),set_VEBT_VEBT2(treeList)))
      | ~ ( ~ pp(aa_nat_bool(vEBT_invar_vebt(nth_VEBT_VEBT(treeList,aa_nat_nat(aa_nat_fun_nat_nat(vEBT_VEBT_high,ma),na))),na))
          | ~ ! [Xa: nat,Xb: nat] :
                ( pp(aa_nat_bool(aa_VEB4832260192069861672t_bool(vEBT_V8194947554948674370ptions,vEBT_vebt_delete(nth_VEBT_VEBT(treeList,aa_nat_nat(aa_nat_fun_nat_nat(vEBT_VEBT_high,ma),na)),Xa)),Xb))
              <=> ~ ( ( Xa = Xb )
                    | ~ pp(aa_nat_bool(aa_VEB4832260192069861672t_bool(vEBT_V8194947554948674370ptions,nth_VEBT_VEBT(treeList,aa_nat_nat(aa_nat_fun_nat_nat(vEBT_VEBT_high,ma),na))),Xb)) ) ) ) ) ),
    inference(rewrite,[status(thm)],]) ).

tff(44,plain,
    ( ~ ! [X2: vEBT_VEBT] :
          ( ~ pp(aa_set8260762808118238015T_bool(aa_VEB289770264548726718T_bool(member_VEBT_VEBT,X2),set_VEBT_VEBT2(treeList)))
          | ~ ( ~ pp(aa_nat_bool(vEBT_invar_vebt(X2),na))
              | ~ ! [Xa: nat,Xb: nat] :
                    ( pp(aa_nat_bool(aa_VEB4832260192069861672t_bool(vEBT_V8194947554948674370ptions,vEBT_vebt_delete(X2,Xa)),Xb))
                  <=> ~ ( ( Xa = Xb )
                        | ~ pp(aa_nat_bool(aa_VEB4832260192069861672t_bool(vEBT_V8194947554948674370ptions,X2),Xb)) ) ) ) )
    | ~ pp(aa_set8260762808118238015T_bool(aa_VEB289770264548726718T_bool(member_VEBT_VEBT,nth_VEBT_VEBT(treeList,aa_nat_nat(aa_nat_fun_nat_nat(vEBT_VEBT_high,ma),na))),set_VEBT_VEBT2(treeList)))
    | ~ ( ~ pp(aa_nat_bool(vEBT_invar_vebt(nth_VEBT_VEBT(treeList,aa_nat_nat(aa_nat_fun_nat_nat(vEBT_VEBT_high,ma),na))),na))
        | ~ ! [Xa: nat,Xb: nat] :
              ( pp(aa_nat_bool(aa_VEB4832260192069861672t_bool(vEBT_V8194947554948674370ptions,vEBT_vebt_delete(nth_VEBT_VEBT(treeList,aa_nat_nat(aa_nat_fun_nat_nat(vEBT_VEBT_high,ma),na)),Xa)),Xb))
            <=> ~ ( ( Xa = Xb )
                  | ~ pp(aa_nat_bool(aa_VEB4832260192069861672t_bool(vEBT_V8194947554948674370ptions,nth_VEBT_VEBT(treeList,aa_nat_nat(aa_nat_fun_nat_nat(vEBT_VEBT_high,ma),na))),Xb)) ) ) ) ),
    inference(quant_inst,[status(thm)],]) ).

tff(45,plain,
    ( ~ ! [X2: vEBT_VEBT] :
          ( ~ pp(aa_set8260762808118238015T_bool(aa_VEB289770264548726718T_bool(member_VEBT_VEBT,X2),set_VEBT_VEBT2(treeList)))
          | ~ ( ~ pp(aa_nat_bool(vEBT_invar_vebt(X2),na))
              | ~ ! [Xa: nat,Xb: nat] :
                    ( pp(aa_nat_bool(aa_VEB4832260192069861672t_bool(vEBT_V8194947554948674370ptions,vEBT_vebt_delete(X2,Xa)),Xb))
                  <=> ~ ( ( Xa = Xb )
                        | ~ pp(aa_nat_bool(aa_VEB4832260192069861672t_bool(vEBT_V8194947554948674370ptions,X2),Xb)) ) ) ) )
    | ~ pp(aa_set8260762808118238015T_bool(aa_VEB289770264548726718T_bool(member_VEBT_VEBT,nth_VEBT_VEBT(treeList,aa_nat_nat(aa_nat_fun_nat_nat(vEBT_VEBT_high,ma),na))),set_VEBT_VEBT2(treeList)))
    | ~ ( ~ pp(aa_nat_bool(vEBT_invar_vebt(nth_VEBT_VEBT(treeList,aa_nat_nat(aa_nat_fun_nat_nat(vEBT_VEBT_high,ma),na))),na))
        | ~ ! [Xa: nat,Xb: nat] :
              ( pp(aa_nat_bool(aa_VEB4832260192069861672t_bool(vEBT_V8194947554948674370ptions,vEBT_vebt_delete(nth_VEBT_VEBT(treeList,aa_nat_nat(aa_nat_fun_nat_nat(vEBT_VEBT_high,ma),na)),Xa)),Xb))
            <=> ~ ( ( Xa = Xb )
                  | ~ pp(aa_nat_bool(aa_VEB4832260192069861672t_bool(vEBT_V8194947554948674370ptions,nth_VEBT_VEBT(treeList,aa_nat_nat(aa_nat_fun_nat_nat(vEBT_VEBT_high,ma),na))),Xb)) ) ) ) ),
    inference(modus_ponens,[status(thm)],[44,43]) ).

tff(46,plain,
    $false,
    inference(unit_resolution,[status(thm)],[45,42,26,7]) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.03/0.11  % Problem  : ITP256_1 : TPTP v8.1.0. Released v8.0.0.
% 0.03/0.12  % Command  : z3_tptp -proof -model -t:%d -file:%s
% 0.12/0.33  % Computer : n015.cluster.edu
% 0.12/0.33  % Model    : x86_64 x86_64
% 0.12/0.33  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.12/0.33  % Memory   : 8042.1875MB
% 0.12/0.33  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.12/0.33  % CPULimit : 300
% 0.12/0.33  % WCLimit  : 300
% 0.12/0.33  % DateTime : Thu Sep  1 06:15:07 EDT 2022
% 0.12/0.33  % CPUTime  : 
% 0.12/0.34  Z3tptp [4.8.9.0] (c) 2006-20**. Microsoft Corp.
% 0.12/0.34  Usage: tptp [options] [-file:]file
% 0.12/0.34    -h, -?       prints this message.
% 0.12/0.34    -smt2        print SMT-LIB2 benchmark.
% 0.12/0.34    -m, -model   generate model.
% 0.12/0.34    -p, -proof   generate proof.
% 0.12/0.34    -c, -core    generate unsat core of named formulas.
% 0.12/0.34    -st, -statistics display statistics.
% 0.12/0.34    -t:timeout   set timeout (in second).
% 0.12/0.34    -smt2status  display status in smt2 format instead of SZS.
% 0.12/0.34    -check_status check the status produced by Z3 against annotation in benchmark.
% 0.12/0.34    -<param>:<value> configuration parameter and value.
% 0.12/0.34    -o:<output-file> file to place output in.
% 56.54/37.09  % SZS status Theorem
% 56.54/37.09  % SZS output start Proof
% See solution above
%------------------------------------------------------------------------------