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Z3---4.15.1.THM-Prf.s

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%------------------------------------------------------------------------------
% File     : Z3---4.15.1
% Problem  : ITP272_1 : TPTP v9.0.0. Released v8.0.0.
% Transfm  : none
% Format   : tptp
% Command  : run_E %s %d THM

% Computer : n010.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 Jun 21 05:12:30 AM UTC 2025

% Result   : Theorem 29.08s 29.30s
% Output   : Proof 29.98s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :    6
%            Number of leaves      :   10
% Syntax   : Number of formulae    :   20 (   7 unt;   0 typ;   0 def)
%            Number of atoms       :   57 (   0 equ)
%            Maximal formula atoms :    8 (   2 avg)
%            Number of connectives :   63 (  28   ~;  24   |;   0   &)
%                                         (   8 <=>;   3  =>;   0  <=;   0 <~>)
%            Maximal formula depth :    9 (   5 avg)
%            Maximal term depth    :   14 (   3 avg)
%            Number of FOOLs       :    2 (   2 fml;   0 var)
%            Number of types       :    1 (   0 usr)
%            Number of type conns  :    0 (   0   >;   0   *;   0   +;   0  <<)
%            Number of predicates  :   15 (  14 usr;  12 prp; 0-1 aty)
%            Number of functors    :   23 (  23 usr;  13 con; 0-2 aty)
%            Number of variables   :   51 (  45   !;   0   ?;  51   :)

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

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

tff(na_type,type,
    na: nat ).

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

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

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

tff(aa_num_nat_type,type,
    aa_num_nat: ( fun_num_nat * num ) > nat ).

tff(aa_num_num_type,type,
    aa_num_num: ( fun_num_num * num ) > num ).

tff(one_type,type,
    one: num ).

tff(bit0_type,type,
    bit0: fun_num_num ).

tff(numeral_numeral_nat_type,type,
    numeral_numeral_nat: fun_num_nat ).

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

tff(deg_type,type,
    deg: nat ).

tff(divide_divide_nat_type,type,
    divide_divide_nat: fun_nat_fun_nat_nat ).

tff(the_nat_type,type,
    the_nat: option_nat > nat ).

tff(vEBT_vebt_mint_type,type,
    vEBT_vebt_mint: vEBT_VEBT > option_nat ).

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

tff(summary_type,type,
    summary: vEBT_VEBT ).

tff(treeList_type,type,
    treeList: list_VEBT_VEBT ).

tff(power_power_nat_type,type,
    power_power_nat: fun_nat_fun_nat_nat ).

tff(times_times_nat_type,type,
    times_times_nat: fun_nat_fun_nat_nat ).

tff(plus_plus_nat_type,type,
    plus_plus_nat: fun_nat_fun_nat_nat ).

tff(vEBT_VEBT_low_type,type,
    vEBT_VEBT_low: fun_nat_fun_nat_nat ).

tff(vEBT_VEBT_high_type,type,
    vEBT_VEBT_high: fun_nat_fun_nat_nat ).

tff(1,plain,
    ( ~ pp(aa_nat_bool(vEBT_invar_vebt(vEBT_vebt_delete(nth_VEBT_VEBT(treeList,aa_nat_nat(aa_nat_fun_nat_nat(vEBT_VEBT_high,aa_nat_nat(aa_nat_fun_nat_nat(plus_plus_nat,aa_nat_nat(aa_nat_fun_nat_nat(times_times_nat,the_nat(vEBT_vebt_mint(summary))),aa_nat_nat(aa_nat_fun_nat_nat(power_power_nat,aa_num_nat(numeral_numeral_nat,aa_num_num(bit0,one))),aa_nat_nat(aa_nat_fun_nat_nat(divide_divide_nat,deg),aa_num_nat(numeral_numeral_nat,aa_num_num(bit0,one)))))),the_nat(vEBT_vebt_mint(nth_VEBT_VEBT(treeList,the_nat(vEBT_vebt_mint(summary))))))),aa_nat_nat(aa_nat_fun_nat_nat(divide_divide_nat,deg),aa_num_nat(numeral_numeral_nat,aa_num_num(bit0,one))))),aa_nat_nat(aa_nat_fun_nat_nat(vEBT_VEBT_low,aa_nat_nat(aa_nat_fun_nat_nat(plus_plus_nat,aa_nat_nat(aa_nat_fun_nat_nat(times_times_nat,the_nat(vEBT_vebt_mint(summary))),aa_nat_nat(aa_nat_fun_nat_nat(power_power_nat,aa_num_nat(numeral_numeral_nat,aa_num_num(bit0,one))),aa_nat_nat(aa_nat_fun_nat_nat(divide_divide_nat,deg),aa_num_nat(numeral_numeral_nat,aa_num_num(bit0,one)))))),the_nat(vEBT_vebt_mint(nth_VEBT_VEBT(treeList,the_nat(vEBT_vebt_mint(summary))))))),aa_nat_nat(aa_nat_fun_nat_nat(divide_divide_nat,deg),aa_num_nat(numeral_numeral_nat,aa_num_num(bit0,one)))))),na))
  <=> ~ pp(aa_nat_bool(vEBT_invar_vebt(vEBT_vebt_delete(nth_VEBT_VEBT(treeList,aa_nat_nat(aa_nat_fun_nat_nat(vEBT_VEBT_high,aa_nat_nat(aa_nat_fun_nat_nat(plus_plus_nat,aa_nat_nat(aa_nat_fun_nat_nat(times_times_nat,the_nat(vEBT_vebt_mint(summary))),aa_nat_nat(aa_nat_fun_nat_nat(power_power_nat,aa_num_nat(numeral_numeral_nat,aa_num_num(bit0,one))),aa_nat_nat(aa_nat_fun_nat_nat(divide_divide_nat,deg),aa_num_nat(numeral_numeral_nat,aa_num_num(bit0,one)))))),the_nat(vEBT_vebt_mint(nth_VEBT_VEBT(treeList,the_nat(vEBT_vebt_mint(summary))))))),aa_nat_nat(aa_nat_fun_nat_nat(divide_divide_nat,deg),aa_num_nat(numeral_numeral_nat,aa_num_num(bit0,one))))),aa_nat_nat(aa_nat_fun_nat_nat(vEBT_VEBT_low,aa_nat_nat(aa_nat_fun_nat_nat(plus_plus_nat,aa_nat_nat(aa_nat_fun_nat_nat(times_times_nat,the_nat(vEBT_vebt_mint(summary))),aa_nat_nat(aa_nat_fun_nat_nat(power_power_nat,aa_num_nat(numeral_numeral_nat,aa_num_num(bit0,one))),aa_nat_nat(aa_nat_fun_nat_nat(divide_divide_nat,deg),aa_num_nat(numeral_numeral_nat,aa_num_num(bit0,one)))))),the_nat(vEBT_vebt_mint(nth_VEBT_VEBT(treeList,the_nat(vEBT_vebt_mint(summary))))))),aa_nat_nat(aa_nat_fun_nat_nat(divide_divide_nat,deg),aa_num_nat(numeral_numeral_nat,aa_num_num(bit0,one)))))),na)) ),
    inference(rewrite,[status(thm)],[]) ).

tff(2,axiom,
    ~ pp(aa_nat_bool(vEBT_invar_vebt(vEBT_vebt_delete(nth_VEBT_VEBT(treeList,aa_nat_nat(aa_nat_fun_nat_nat(vEBT_VEBT_high,aa_nat_nat(aa_nat_fun_nat_nat(plus_plus_nat,aa_nat_nat(aa_nat_fun_nat_nat(times_times_nat,the_nat(vEBT_vebt_mint(summary))),aa_nat_nat(aa_nat_fun_nat_nat(power_power_nat,aa_num_nat(numeral_numeral_nat,aa_num_num(bit0,one))),aa_nat_nat(aa_nat_fun_nat_nat(divide_divide_nat,deg),aa_num_nat(numeral_numeral_nat,aa_num_num(bit0,one)))))),the_nat(vEBT_vebt_mint(nth_VEBT_VEBT(treeList,the_nat(vEBT_vebt_mint(summary))))))),aa_nat_nat(aa_nat_fun_nat_nat(divide_divide_nat,deg),aa_num_nat(numeral_numeral_nat,aa_num_num(bit0,one))))),aa_nat_nat(aa_nat_fun_nat_nat(vEBT_VEBT_low,aa_nat_nat(aa_nat_fun_nat_nat(plus_plus_nat,aa_nat_nat(aa_nat_fun_nat_nat(times_times_nat,the_nat(vEBT_vebt_mint(summary))),aa_nat_nat(aa_nat_fun_nat_nat(power_power_nat,aa_num_nat(numeral_numeral_nat,aa_num_num(bit0,one))),aa_nat_nat(aa_nat_fun_nat_nat(divide_divide_nat,deg),aa_num_nat(numeral_numeral_nat,aa_num_num(bit0,one)))))),the_nat(vEBT_vebt_mint(nth_VEBT_VEBT(treeList,the_nat(vEBT_vebt_mint(summary))))))),aa_nat_nat(aa_nat_fun_nat_nat(divide_divide_nat,deg),aa_num_nat(numeral_numeral_nat,aa_num_num(bit0,one)))))),na)),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',conj_0) ).

tff(3,plain,
    ~ pp(aa_nat_bool(vEBT_invar_vebt(vEBT_vebt_delete(nth_VEBT_VEBT(treeList,aa_nat_nat(aa_nat_fun_nat_nat(vEBT_VEBT_high,aa_nat_nat(aa_nat_fun_nat_nat(plus_plus_nat,aa_nat_nat(aa_nat_fun_nat_nat(times_times_nat,the_nat(vEBT_vebt_mint(summary))),aa_nat_nat(aa_nat_fun_nat_nat(power_power_nat,aa_num_nat(numeral_numeral_nat,aa_num_num(bit0,one))),aa_nat_nat(aa_nat_fun_nat_nat(divide_divide_nat,deg),aa_num_nat(numeral_numeral_nat,aa_num_num(bit0,one)))))),the_nat(vEBT_vebt_mint(nth_VEBT_VEBT(treeList,the_nat(vEBT_vebt_mint(summary))))))),aa_nat_nat(aa_nat_fun_nat_nat(divide_divide_nat,deg),aa_num_nat(numeral_numeral_nat,aa_num_num(bit0,one))))),aa_nat_nat(aa_nat_fun_nat_nat(vEBT_VEBT_low,aa_nat_nat(aa_nat_fun_nat_nat(plus_plus_nat,aa_nat_nat(aa_nat_fun_nat_nat(times_times_nat,the_nat(vEBT_vebt_mint(summary))),aa_nat_nat(aa_nat_fun_nat_nat(power_power_nat,aa_num_nat(numeral_numeral_nat,aa_num_num(bit0,one))),aa_nat_nat(aa_nat_fun_nat_nat(divide_divide_nat,deg),aa_num_nat(numeral_numeral_nat,aa_num_num(bit0,one)))))),the_nat(vEBT_vebt_mint(nth_VEBT_VEBT(treeList,the_nat(vEBT_vebt_mint(summary))))))),aa_nat_nat(aa_nat_fun_nat_nat(divide_divide_nat,deg),aa_num_nat(numeral_numeral_nat,aa_num_num(bit0,one)))))),na)),
    inference(modus_ponens,[status(thm)],[2,1]) ).

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,aa_nat_nat(aa_nat_fun_nat_nat(plus_plus_nat,aa_nat_nat(aa_nat_fun_nat_nat(times_times_nat,the_nat(vEBT_vebt_mint(summary))),aa_nat_nat(aa_nat_fun_nat_nat(power_power_nat,aa_num_nat(numeral_numeral_nat,aa_num_num(bit0,one))),aa_nat_nat(aa_nat_fun_nat_nat(divide_divide_nat,deg),aa_num_nat(numeral_numeral_nat,aa_num_num(bit0,one)))))),the_nat(vEBT_vebt_mint(nth_VEBT_VEBT(treeList,the_nat(vEBT_vebt_mint(summary))))))),aa_nat_nat(aa_nat_fun_nat_nat(divide_divide_nat,deg),aa_num_nat(numeral_numeral_nat,aa_num_num(bit0,one)))))),na))
  <=> pp(aa_nat_bool(vEBT_invar_vebt(nth_VEBT_VEBT(treeList,aa_nat_nat(aa_nat_fun_nat_nat(vEBT_VEBT_high,aa_nat_nat(aa_nat_fun_nat_nat(plus_plus_nat,aa_nat_nat(aa_nat_fun_nat_nat(times_times_nat,the_nat(vEBT_vebt_mint(summary))),aa_nat_nat(aa_nat_fun_nat_nat(power_power_nat,aa_num_nat(numeral_numeral_nat,aa_num_num(bit0,one))),aa_nat_nat(aa_nat_fun_nat_nat(divide_divide_nat,deg),aa_num_nat(numeral_numeral_nat,aa_num_num(bit0,one)))))),the_nat(vEBT_vebt_mint(nth_VEBT_VEBT(treeList,the_nat(vEBT_vebt_mint(summary))))))),aa_nat_nat(aa_nat_fun_nat_nat(divide_divide_nat,deg),aa_num_nat(numeral_numeral_nat,aa_num_num(bit0,one)))))),na)) ),
    inference(rewrite,[status(thm)],[]) ).

tff(5,axiom,
    pp(aa_nat_bool(vEBT_invar_vebt(nth_VEBT_VEBT(treeList,aa_nat_nat(aa_nat_fun_nat_nat(vEBT_VEBT_high,aa_nat_nat(aa_nat_fun_nat_nat(plus_plus_nat,aa_nat_nat(aa_nat_fun_nat_nat(times_times_nat,the_nat(vEBT_vebt_mint(summary))),aa_nat_nat(aa_nat_fun_nat_nat(power_power_nat,aa_num_nat(numeral_numeral_nat,aa_num_num(bit0,one))),aa_nat_nat(aa_nat_fun_nat_nat(divide_divide_nat,deg),aa_num_nat(numeral_numeral_nat,aa_num_num(bit0,one)))))),the_nat(vEBT_vebt_mint(nth_VEBT_VEBT(treeList,the_nat(vEBT_vebt_mint(summary))))))),aa_nat_nat(aa_nat_fun_nat_nat(divide_divide_nat,deg),aa_num_nat(numeral_numeral_nat,aa_num_num(bit0,one)))))),na)),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',fact_6__092_060open_062invar__vebt_A_ItreeList_A_B_Ahigh_A_Ithe_A_Ivebt__mint_Asummary_J_A_K_A2_A_094_A_Ideg_Adiv_A2_J_A_L_Athe_A_Ivebt__mint_A_ItreeList_A_B_Athe_A_Ivebt__mint_Asummary_J_J_J_J_A_Ideg_Adiv_A2_J_J_An_092_060close_062) ).

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,aa_nat_nat(aa_nat_fun_nat_nat(plus_plus_nat,aa_nat_nat(aa_nat_fun_nat_nat(times_times_nat,the_nat(vEBT_vebt_mint(summary))),aa_nat_nat(aa_nat_fun_nat_nat(power_power_nat,aa_num_nat(numeral_numeral_nat,aa_num_num(bit0,one))),aa_nat_nat(aa_nat_fun_nat_nat(divide_divide_nat,deg),aa_num_nat(numeral_numeral_nat,aa_num_num(bit0,one)))))),the_nat(vEBT_vebt_mint(nth_VEBT_VEBT(treeList,the_nat(vEBT_vebt_mint(summary))))))),aa_nat_nat(aa_nat_fun_nat_nat(divide_divide_nat,deg),aa_num_nat(numeral_numeral_nat,aa_num_num(bit0,one)))))),na)),
    inference(modus_ponens,[status(thm)],[5,4]) ).

tff(7,plain,
    ^ [T: vEBT_VEBT,N: nat,X: nat] :
      refl(( ( ~ pp(aa_nat_bool(vEBT_invar_vebt(T),N))
          | pp(aa_nat_bool(vEBT_invar_vebt(vEBT_vebt_delete(T,X)),N)) )
      <=> ( ~ pp(aa_nat_bool(vEBT_invar_vebt(T),N))
          | pp(aa_nat_bool(vEBT_invar_vebt(vEBT_vebt_delete(T,X)),N)) ) )),
    inference(bind,[status(th)],[]) ).

tff(8,plain,
    ( ! [T: vEBT_VEBT,N: nat,X: nat] :
        ( ~ pp(aa_nat_bool(vEBT_invar_vebt(T),N))
        | pp(aa_nat_bool(vEBT_invar_vebt(vEBT_vebt_delete(T,X)),N)) )
  <=> ! [T: vEBT_VEBT,N: nat,X: nat] :
        ( ~ pp(aa_nat_bool(vEBT_invar_vebt(T),N))
        | pp(aa_nat_bool(vEBT_invar_vebt(vEBT_vebt_delete(T,X)),N)) ) ),
    inference(quant_intro,[status(thm)],[7]) ).

tff(9,plain,
    ( ! [T: vEBT_VEBT,N: nat,X: nat] :
        ( ~ pp(aa_nat_bool(vEBT_invar_vebt(T),N))
        | pp(aa_nat_bool(vEBT_invar_vebt(vEBT_vebt_delete(T,X)),N)) )
  <=> ! [T: vEBT_VEBT,N: nat,X: nat] :
        ( ~ pp(aa_nat_bool(vEBT_invar_vebt(T),N))
        | pp(aa_nat_bool(vEBT_invar_vebt(vEBT_vebt_delete(T,X)),N)) ) ),
    inference(rewrite,[status(thm)],[]) ).

tff(10,plain,
    ^ [T: vEBT_VEBT,N: nat,X: nat] :
      rewrite(( ( pp(aa_nat_bool(vEBT_invar_vebt(T),N))
         => pp(aa_nat_bool(vEBT_invar_vebt(vEBT_vebt_delete(T,X)),N)) )
      <=> ( ~ pp(aa_nat_bool(vEBT_invar_vebt(T),N))
          | pp(aa_nat_bool(vEBT_invar_vebt(vEBT_vebt_delete(T,X)),N)) ) )),
    inference(bind,[status(th)],[]) ).

tff(11,plain,
    ( ! [T: vEBT_VEBT,N: nat,X: nat] :
        ( pp(aa_nat_bool(vEBT_invar_vebt(T),N))
       => pp(aa_nat_bool(vEBT_invar_vebt(vEBT_vebt_delete(T,X)),N)) )
  <=> ! [T: vEBT_VEBT,N: nat,X: nat] :
        ( ~ pp(aa_nat_bool(vEBT_invar_vebt(T),N))
        | pp(aa_nat_bool(vEBT_invar_vebt(vEBT_vebt_delete(T,X)),N)) ) ),
    inference(quant_intro,[status(thm)],[10]) ).

tff(12,axiom,
    ! [T: vEBT_VEBT,N: nat,X: nat] :
      ( pp(aa_nat_bool(vEBT_invar_vebt(T),N))
     => pp(aa_nat_bool(vEBT_invar_vebt(vEBT_vebt_delete(T,X)),N)) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',fact_0_delete__pres__valid) ).

tff(13,plain,
    ! [T: vEBT_VEBT,N: nat,X: nat] :
      ( ~ pp(aa_nat_bool(vEBT_invar_vebt(T),N))
      | pp(aa_nat_bool(vEBT_invar_vebt(vEBT_vebt_delete(T,X)),N)) ),
    inference(modus_ponens,[status(thm)],[12,11]) ).

tff(14,plain,
    ! [T: vEBT_VEBT,N: nat,X: nat] :
      ( ~ pp(aa_nat_bool(vEBT_invar_vebt(T),N))
      | pp(aa_nat_bool(vEBT_invar_vebt(vEBT_vebt_delete(T,X)),N)) ),
    inference(modus_ponens,[status(thm)],[13,9]) ).

tff(15,plain,
    ! [T: vEBT_VEBT,N: nat,X: nat] :
      ( ~ pp(aa_nat_bool(vEBT_invar_vebt(T),N))
      | pp(aa_nat_bool(vEBT_invar_vebt(vEBT_vebt_delete(T,X)),N)) ),
    inference(skolemize,[status(sab)],[14]) ).

tff(16,plain,
    ! [T: vEBT_VEBT,N: nat,X: nat] :
      ( ~ pp(aa_nat_bool(vEBT_invar_vebt(T),N))
      | pp(aa_nat_bool(vEBT_invar_vebt(vEBT_vebt_delete(T,X)),N)) ),
    inference(modus_ponens,[status(thm)],[15,8]) ).

tff(17,plain,
    ( ( ~ ! [T: vEBT_VEBT,N: nat,X: nat] :
            ( ~ pp(aa_nat_bool(vEBT_invar_vebt(T),N))
            | pp(aa_nat_bool(vEBT_invar_vebt(vEBT_vebt_delete(T,X)),N)) )
      | ~ pp(aa_nat_bool(vEBT_invar_vebt(nth_VEBT_VEBT(treeList,aa_nat_nat(aa_nat_fun_nat_nat(vEBT_VEBT_high,aa_nat_nat(aa_nat_fun_nat_nat(plus_plus_nat,aa_nat_nat(aa_nat_fun_nat_nat(times_times_nat,the_nat(vEBT_vebt_mint(summary))),aa_nat_nat(aa_nat_fun_nat_nat(power_power_nat,aa_num_nat(numeral_numeral_nat,aa_num_num(bit0,one))),aa_nat_nat(aa_nat_fun_nat_nat(divide_divide_nat,deg),aa_num_nat(numeral_numeral_nat,aa_num_num(bit0,one)))))),the_nat(vEBT_vebt_mint(nth_VEBT_VEBT(treeList,the_nat(vEBT_vebt_mint(summary))))))),aa_nat_nat(aa_nat_fun_nat_nat(divide_divide_nat,deg),aa_num_nat(numeral_numeral_nat,aa_num_num(bit0,one)))))),na))
      | pp(aa_nat_bool(vEBT_invar_vebt(vEBT_vebt_delete(nth_VEBT_VEBT(treeList,aa_nat_nat(aa_nat_fun_nat_nat(vEBT_VEBT_high,aa_nat_nat(aa_nat_fun_nat_nat(plus_plus_nat,aa_nat_nat(aa_nat_fun_nat_nat(times_times_nat,the_nat(vEBT_vebt_mint(summary))),aa_nat_nat(aa_nat_fun_nat_nat(power_power_nat,aa_num_nat(numeral_numeral_nat,aa_num_num(bit0,one))),aa_nat_nat(aa_nat_fun_nat_nat(divide_divide_nat,deg),aa_num_nat(numeral_numeral_nat,aa_num_num(bit0,one)))))),the_nat(vEBT_vebt_mint(nth_VEBT_VEBT(treeList,the_nat(vEBT_vebt_mint(summary))))))),aa_nat_nat(aa_nat_fun_nat_nat(divide_divide_nat,deg),aa_num_nat(numeral_numeral_nat,aa_num_num(bit0,one))))),aa_nat_nat(aa_nat_fun_nat_nat(vEBT_VEBT_low,aa_nat_nat(aa_nat_fun_nat_nat(plus_plus_nat,aa_nat_nat(aa_nat_fun_nat_nat(times_times_nat,the_nat(vEBT_vebt_mint(summary))),aa_nat_nat(aa_nat_fun_nat_nat(power_power_nat,aa_num_nat(numeral_numeral_nat,aa_num_num(bit0,one))),aa_nat_nat(aa_nat_fun_nat_nat(divide_divide_nat,deg),aa_num_nat(numeral_numeral_nat,aa_num_num(bit0,one)))))),the_nat(vEBT_vebt_mint(nth_VEBT_VEBT(treeList,the_nat(vEBT_vebt_mint(summary))))))),aa_nat_nat(aa_nat_fun_nat_nat(divide_divide_nat,deg),aa_num_nat(numeral_numeral_nat,aa_num_num(bit0,one)))))),na)) )
  <=> ( ~ ! [T: vEBT_VEBT,N: nat,X: nat] :
            ( ~ pp(aa_nat_bool(vEBT_invar_vebt(T),N))
            | pp(aa_nat_bool(vEBT_invar_vebt(vEBT_vebt_delete(T,X)),N)) )
      | ~ pp(aa_nat_bool(vEBT_invar_vebt(nth_VEBT_VEBT(treeList,aa_nat_nat(aa_nat_fun_nat_nat(vEBT_VEBT_high,aa_nat_nat(aa_nat_fun_nat_nat(plus_plus_nat,aa_nat_nat(aa_nat_fun_nat_nat(times_times_nat,the_nat(vEBT_vebt_mint(summary))),aa_nat_nat(aa_nat_fun_nat_nat(power_power_nat,aa_num_nat(numeral_numeral_nat,aa_num_num(bit0,one))),aa_nat_nat(aa_nat_fun_nat_nat(divide_divide_nat,deg),aa_num_nat(numeral_numeral_nat,aa_num_num(bit0,one)))))),the_nat(vEBT_vebt_mint(nth_VEBT_VEBT(treeList,the_nat(vEBT_vebt_mint(summary))))))),aa_nat_nat(aa_nat_fun_nat_nat(divide_divide_nat,deg),aa_num_nat(numeral_numeral_nat,aa_num_num(bit0,one)))))),na))
      | pp(aa_nat_bool(vEBT_invar_vebt(vEBT_vebt_delete(nth_VEBT_VEBT(treeList,aa_nat_nat(aa_nat_fun_nat_nat(vEBT_VEBT_high,aa_nat_nat(aa_nat_fun_nat_nat(plus_plus_nat,aa_nat_nat(aa_nat_fun_nat_nat(times_times_nat,the_nat(vEBT_vebt_mint(summary))),aa_nat_nat(aa_nat_fun_nat_nat(power_power_nat,aa_num_nat(numeral_numeral_nat,aa_num_num(bit0,one))),aa_nat_nat(aa_nat_fun_nat_nat(divide_divide_nat,deg),aa_num_nat(numeral_numeral_nat,aa_num_num(bit0,one)))))),the_nat(vEBT_vebt_mint(nth_VEBT_VEBT(treeList,the_nat(vEBT_vebt_mint(summary))))))),aa_nat_nat(aa_nat_fun_nat_nat(divide_divide_nat,deg),aa_num_nat(numeral_numeral_nat,aa_num_num(bit0,one))))),aa_nat_nat(aa_nat_fun_nat_nat(vEBT_VEBT_low,aa_nat_nat(aa_nat_fun_nat_nat(plus_plus_nat,aa_nat_nat(aa_nat_fun_nat_nat(times_times_nat,the_nat(vEBT_vebt_mint(summary))),aa_nat_nat(aa_nat_fun_nat_nat(power_power_nat,aa_num_nat(numeral_numeral_nat,aa_num_num(bit0,one))),aa_nat_nat(aa_nat_fun_nat_nat(divide_divide_nat,deg),aa_num_nat(numeral_numeral_nat,aa_num_num(bit0,one)))))),the_nat(vEBT_vebt_mint(nth_VEBT_VEBT(treeList,the_nat(vEBT_vebt_mint(summary))))))),aa_nat_nat(aa_nat_fun_nat_nat(divide_divide_nat,deg),aa_num_nat(numeral_numeral_nat,aa_num_num(bit0,one)))))),na)) ) ),
    inference(rewrite,[status(thm)],[]) ).

tff(18,plain,
    ( ~ ! [T: vEBT_VEBT,N: nat,X: nat] :
          ( ~ pp(aa_nat_bool(vEBT_invar_vebt(T),N))
          | pp(aa_nat_bool(vEBT_invar_vebt(vEBT_vebt_delete(T,X)),N)) )
    | ~ pp(aa_nat_bool(vEBT_invar_vebt(nth_VEBT_VEBT(treeList,aa_nat_nat(aa_nat_fun_nat_nat(vEBT_VEBT_high,aa_nat_nat(aa_nat_fun_nat_nat(plus_plus_nat,aa_nat_nat(aa_nat_fun_nat_nat(times_times_nat,the_nat(vEBT_vebt_mint(summary))),aa_nat_nat(aa_nat_fun_nat_nat(power_power_nat,aa_num_nat(numeral_numeral_nat,aa_num_num(bit0,one))),aa_nat_nat(aa_nat_fun_nat_nat(divide_divide_nat,deg),aa_num_nat(numeral_numeral_nat,aa_num_num(bit0,one)))))),the_nat(vEBT_vebt_mint(nth_VEBT_VEBT(treeList,the_nat(vEBT_vebt_mint(summary))))))),aa_nat_nat(aa_nat_fun_nat_nat(divide_divide_nat,deg),aa_num_nat(numeral_numeral_nat,aa_num_num(bit0,one)))))),na))
    | pp(aa_nat_bool(vEBT_invar_vebt(vEBT_vebt_delete(nth_VEBT_VEBT(treeList,aa_nat_nat(aa_nat_fun_nat_nat(vEBT_VEBT_high,aa_nat_nat(aa_nat_fun_nat_nat(plus_plus_nat,aa_nat_nat(aa_nat_fun_nat_nat(times_times_nat,the_nat(vEBT_vebt_mint(summary))),aa_nat_nat(aa_nat_fun_nat_nat(power_power_nat,aa_num_nat(numeral_numeral_nat,aa_num_num(bit0,one))),aa_nat_nat(aa_nat_fun_nat_nat(divide_divide_nat,deg),aa_num_nat(numeral_numeral_nat,aa_num_num(bit0,one)))))),the_nat(vEBT_vebt_mint(nth_VEBT_VEBT(treeList,the_nat(vEBT_vebt_mint(summary))))))),aa_nat_nat(aa_nat_fun_nat_nat(divide_divide_nat,deg),aa_num_nat(numeral_numeral_nat,aa_num_num(bit0,one))))),aa_nat_nat(aa_nat_fun_nat_nat(vEBT_VEBT_low,aa_nat_nat(aa_nat_fun_nat_nat(plus_plus_nat,aa_nat_nat(aa_nat_fun_nat_nat(times_times_nat,the_nat(vEBT_vebt_mint(summary))),aa_nat_nat(aa_nat_fun_nat_nat(power_power_nat,aa_num_nat(numeral_numeral_nat,aa_num_num(bit0,one))),aa_nat_nat(aa_nat_fun_nat_nat(divide_divide_nat,deg),aa_num_nat(numeral_numeral_nat,aa_num_num(bit0,one)))))),the_nat(vEBT_vebt_mint(nth_VEBT_VEBT(treeList,the_nat(vEBT_vebt_mint(summary))))))),aa_nat_nat(aa_nat_fun_nat_nat(divide_divide_nat,deg),aa_num_nat(numeral_numeral_nat,aa_num_num(bit0,one)))))),na)) ),
    inference(quant_inst,[status(thm)],[]) ).

tff(19,plain,
    ( ~ ! [T: vEBT_VEBT,N: nat,X: nat] :
          ( ~ pp(aa_nat_bool(vEBT_invar_vebt(T),N))
          | pp(aa_nat_bool(vEBT_invar_vebt(vEBT_vebt_delete(T,X)),N)) )
    | ~ pp(aa_nat_bool(vEBT_invar_vebt(nth_VEBT_VEBT(treeList,aa_nat_nat(aa_nat_fun_nat_nat(vEBT_VEBT_high,aa_nat_nat(aa_nat_fun_nat_nat(plus_plus_nat,aa_nat_nat(aa_nat_fun_nat_nat(times_times_nat,the_nat(vEBT_vebt_mint(summary))),aa_nat_nat(aa_nat_fun_nat_nat(power_power_nat,aa_num_nat(numeral_numeral_nat,aa_num_num(bit0,one))),aa_nat_nat(aa_nat_fun_nat_nat(divide_divide_nat,deg),aa_num_nat(numeral_numeral_nat,aa_num_num(bit0,one)))))),the_nat(vEBT_vebt_mint(nth_VEBT_VEBT(treeList,the_nat(vEBT_vebt_mint(summary))))))),aa_nat_nat(aa_nat_fun_nat_nat(divide_divide_nat,deg),aa_num_nat(numeral_numeral_nat,aa_num_num(bit0,one)))))),na))
    | pp(aa_nat_bool(vEBT_invar_vebt(vEBT_vebt_delete(nth_VEBT_VEBT(treeList,aa_nat_nat(aa_nat_fun_nat_nat(vEBT_VEBT_high,aa_nat_nat(aa_nat_fun_nat_nat(plus_plus_nat,aa_nat_nat(aa_nat_fun_nat_nat(times_times_nat,the_nat(vEBT_vebt_mint(summary))),aa_nat_nat(aa_nat_fun_nat_nat(power_power_nat,aa_num_nat(numeral_numeral_nat,aa_num_num(bit0,one))),aa_nat_nat(aa_nat_fun_nat_nat(divide_divide_nat,deg),aa_num_nat(numeral_numeral_nat,aa_num_num(bit0,one)))))),the_nat(vEBT_vebt_mint(nth_VEBT_VEBT(treeList,the_nat(vEBT_vebt_mint(summary))))))),aa_nat_nat(aa_nat_fun_nat_nat(divide_divide_nat,deg),aa_num_nat(numeral_numeral_nat,aa_num_num(bit0,one))))),aa_nat_nat(aa_nat_fun_nat_nat(vEBT_VEBT_low,aa_nat_nat(aa_nat_fun_nat_nat(plus_plus_nat,aa_nat_nat(aa_nat_fun_nat_nat(times_times_nat,the_nat(vEBT_vebt_mint(summary))),aa_nat_nat(aa_nat_fun_nat_nat(power_power_nat,aa_num_nat(numeral_numeral_nat,aa_num_num(bit0,one))),aa_nat_nat(aa_nat_fun_nat_nat(divide_divide_nat,deg),aa_num_nat(numeral_numeral_nat,aa_num_num(bit0,one)))))),the_nat(vEBT_vebt_mint(nth_VEBT_VEBT(treeList,the_nat(vEBT_vebt_mint(summary))))))),aa_nat_nat(aa_nat_fun_nat_nat(divide_divide_nat,deg),aa_num_nat(numeral_numeral_nat,aa_num_num(bit0,one)))))),na)) ),
    inference(modus_ponens,[status(thm)],[18,17]) ).

tff(20,plain,
    $false,
    inference(unit_resolution,[status(thm)],[19,16,6,3]) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.07/0.12  % Problem    : ITP272_1 : TPTP v9.0.0. Released v8.0.0.
% 0.07/0.12  % Command    : run_E %s %d THM
% 0.12/0.33  % Computer : n010.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 Jun 19 18:42:11 EDT 2025
% 0.12/0.34  % CPUTime    : 
% 29.08/29.30  % SZS status Theorem
% 29.08/29.30  % SZS output start Proof
% See solution above
% 30.05/30.26  % E exiting
%------------------------------------------------------------------------------