↑ Up

DT2H2X---1.9.5.THM-Ref.s

View TPTP
Problem
Process solution in
SystemOnTSTP
Download .tgz
%------------------------------------------------------------------------------
% File     : DT2H2X---1.9.5
% Problem  : SET159^5 : TPTP v9.2.1. Released v4.0.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : /export/starexec/sandbox/solver/bin/run_DT2H2X /export/starexec/sandbox/benchmark/theBenchmark.p 300

% 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 : Wed Feb 25 09:31:20 AM UTC 2026

% Result   : Theorem 1.53s 1.37s
% Output   : Refutation 1.53s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   17
%            Number of leaves      :    8
% Syntax   : Number of formulae    :   56 (  16 unt;   0 typ;   6 def)
%            Number of atoms       :  299 (  75 equ;   0 cnn)
%            Maximal formula atoms :    5 (   5 avg)
%            Number of connectives :  318 (  34   ~; 122   |;   0   &; 155   @)
%                                         (   6 <=>;   1  =>;   0  <=;   0 <~>)
%            Maximal formula depth :    6 (   3 avg)
%            Number of types       :    2 (   1 usr)
%            Number of type conns  :   18 (  18   >;   0   *;   0   +;   0  <<)
%            Number of symbols     :   14 (  11 usr;   9 con; 0-2 aty)
%            Number of variables   :   38 (  20   ^;  12   !;   6   ?;  38   :)

% Comments : 
%------------------------------------------------------------------------------
thf(type_def_5,type,
    a: $tType ).

thf(func_def_0,type,
    a: $tType ).

thf(func_def_7,type,
    sK0: a > $o ).

thf(func_def_8,type,
    sK1: a > $o ).

thf(func_def_9,type,
    sK2: a > $o ).

thf(func_def_11,type,
    ph4: 
      !>[X0: $tType] : X0 ).

thf(func_def_12,type,
    sK5: a ).

thf(f84,plain,
    $false,
    inference(avatar_sat_refutation,[status(thm)],[f51,f61,f69,f70,f75,f79,f83]) ).

thf(f83,plain,
    ( ~ spl3_1
    | ~ spl3_4 ),
    inference(avatar_contradiction_clause,[status(thm)],[f82]) ).

thf(f82,plain,
    ( $false
    | ~ spl3_1
    | ~ spl3_4 ),
    inference(trivial_inequality_removal,[status(thm)],[f81]) ).

thf(f81,plain,
    ( ( $false = $true )
    | ~ spl3_1
    | ~ spl3_4 ),
    inference(forward_demodulation,[status(thm)],[f42,f55]) ).

thf(f55,plain,
    ( ( $false
      = ( sK2 @ sK5 ) )
    | ~ spl3_4 ),
    inference(avatar_component_clause,[status(thm)],[f53]) ).

thf(f53,definition,
    ( spl3_4
  <=> ( $false
      = ( sK2 @ sK5 ) ) ),
    introduced(definition,[new_symbols(naming,[spl3_4])],[avatar_definition]) ).

thf(f42,plain,
    ( ( $true
      = ( sK2 @ sK5 ) )
    | ~ spl3_1 ),
    inference(avatar_component_clause,[status(thm)],[f40]) ).

thf(f40,definition,
    ( spl3_1
  <=> ( $true
      = ( sK2 @ sK5 ) ) ),
    introduced(definition,[new_symbols(naming,[spl3_1])],[avatar_definition]) ).

thf(f79,plain,
    ( ~ spl3_3
    | ~ spl3_6 ),
    inference(avatar_contradiction_clause,[status(thm)],[f78]) ).

thf(f78,plain,
    ( $false
    | ~ spl3_3
    | ~ spl3_6 ),
    inference(trivial_inequality_removal,[status(thm)],[f77]) ).

thf(f77,plain,
    ( ( $false = $true )
    | ~ spl3_3
    | ~ spl3_6 ),
    inference(forward_demodulation,[status(thm)],[f50,f65]) ).

thf(f65,plain,
    ( ( ( sK1 @ sK5 )
      = $false )
    | ~ spl3_6 ),
    inference(avatar_component_clause,[status(thm)],[f63]) ).

thf(f63,definition,
    ( spl3_6
  <=> ( ( sK1 @ sK5 )
      = $false ) ),
    introduced(definition,[new_symbols(naming,[spl3_6])],[avatar_definition]) ).

thf(f50,plain,
    ( ( ( sK1 @ sK5 )
      = $true )
    | ~ spl3_3 ),
    inference(avatar_component_clause,[status(thm)],[f48]) ).

thf(f48,definition,
    ( spl3_3
  <=> ( ( sK1 @ sK5 )
      = $true ) ),
    introduced(definition,[new_symbols(naming,[spl3_3])],[avatar_definition]) ).

thf(f75,plain,
    ( ~ spl3_2
    | ~ spl3_5 ),
    inference(avatar_contradiction_clause,[status(thm)],[f74]) ).

thf(f74,plain,
    ( $false
    | ~ spl3_2
    | ~ spl3_5 ),
    inference(trivial_inequality_removal,[status(thm)],[f73]) ).

thf(f73,plain,
    ( ( $false = $true )
    | ~ spl3_2
    | ~ spl3_5 ),
    inference(forward_demodulation,[status(thm)],[f46,f59]) ).

thf(f59,plain,
    ( ( $false
      = ( sK0 @ sK5 ) )
    | ~ spl3_5 ),
    inference(avatar_component_clause,[status(thm)],[f57]) ).

thf(f57,definition,
    ( spl3_5
  <=> ( $false
      = ( sK0 @ sK5 ) ) ),
    introduced(definition,[new_symbols(naming,[spl3_5])],[avatar_definition]) ).

thf(f46,plain,
    ( ( $true
      = ( sK0 @ sK5 ) )
    | ~ spl3_2 ),
    inference(avatar_component_clause,[status(thm)],[f44]) ).

thf(f44,definition,
    ( spl3_2
  <=> ( $true
      = ( sK0 @ sK5 ) ) ),
    introduced(definition,[new_symbols(naming,[spl3_2])],[avatar_definition]) ).

thf(f70,plain,
    spl3_5,
    inference(avatar_split_clause,[status(thm)],[f22,f57]) ).

thf(f22,plain,
    ( $false
    = ( sK0 @ sK5 ) ),
    inference(duplicate_literal_removal,[status(thm)],[f18]) ).

thf(f18,plain,
    ( ( $false
      = ( sK0 @ sK5 ) )
    | ( $false
      = ( sK0 @ sK5 ) ) ),
    inference(binary_proxy_clausification,[status(thm)],[f17]) ).

thf(f17,plain,
    ( ( $false
      = ( sK0 @ sK5 ) )
    | ( $false
      = ( ( sK1 @ sK5 )
        | ( sK2 @ sK5 )
        | ( sK0 @ sK5 ) ) ) ),
    inference(binary_proxy_clausification,[status(thm)],[f15]) ).

thf(f15,plain,
    ( ( ( ( sK0 @ sK5 )
        | ( sK1 @ sK5 ) )
      = $false )
    | ( $false
      = ( ( sK1 @ sK5 )
        | ( sK2 @ sK5 )
        | ( sK0 @ sK5 ) ) ) ),
    inference(binary_proxy_clausification,[status(thm)],[f13]) ).

thf(f13,plain,
    ( ( $false
      = ( ( sK0 @ sK5 )
        | ( sK1 @ sK5 )
        | ( sK2 @ sK5 ) ) )
    | ( $false
      = ( ( sK1 @ sK5 )
        | ( sK2 @ sK5 )
        | ( sK0 @ sK5 ) ) ) ),
    inference(binary_proxy_clausification,[status(thm)],[f11]) ).

thf(f11,plain,
    ( ( ( sK0 @ sK5 )
      | ( sK1 @ sK5 )
      | ( sK2 @ sK5 ) )
   != ( ( sK1 @ sK5 )
      | ( sK2 @ sK5 )
      | ( sK0 @ sK5 ) ) ),
    inference(beta_eta_normalization,[status(thm)],[f10]) ).

thf(f10,plain,
    ( ( ^ [Y0: a] :
          ( ( sK0 @ Y0 )
          | ( sK1 @ Y0 )
          | ( sK2 @ Y0 ) )
      @ sK5 )
   != ( ^ [Y0: a] :
          ( ( sK1 @ Y0 )
          | ( sK2 @ Y0 )
          | ( sK0 @ Y0 ) )
      @ sK5 ) ),
    inference(negative_extensionality,[status(thm)],[f9]) ).

thf(f9,plain,
    ( ( ^ [Y0: a] :
          ( ( sK0 @ Y0 )
          | ( sK1 @ Y0 )
          | ( sK2 @ Y0 ) ) )
   != ( ^ [Y0: a] :
          ( ( sK1 @ Y0 )
          | ( sK2 @ Y0 )
          | ( sK0 @ Y0 ) ) ) ),
    inference(cnf_transformation,[status(thm)],[f8]) ).

thf(f8,plain,
    ( ( ^ [Y0: a] :
          ( ( sK0 @ Y0 )
          | ( sK1 @ Y0 )
          | ( sK2 @ Y0 ) ) )
   != ( ^ [Y0: a] :
          ( ( sK1 @ Y0 )
          | ( sK2 @ Y0 )
          | ( sK0 @ Y0 ) ) ) ),
    inference(skolemisation,[status(esa),new_symbols(skolem,[sK0,sK1,sK2])],[f6,f7]) ).

thf(f7,plain,
    ( ? [X0: a > $o,X1: a > $o,X2: a > $o] :
        ( ( ^ [Y0: a] :
              ( ( X0 @ Y0 )
              | ( X1 @ Y0 )
              | ( X2 @ Y0 ) ) )
       != ( ^ [Y0: a] :
              ( ( X1 @ Y0 )
              | ( X2 @ Y0 )
              | ( X0 @ Y0 ) ) ) )
   => ( ( ^ [Y0: a] :
            ( ( sK0 @ Y0 )
            | ( sK1 @ Y0 )
            | ( sK2 @ Y0 ) ) )
     != ( ^ [Y0: a] :
            ( ( sK1 @ Y0 )
            | ( sK2 @ Y0 )
            | ( sK0 @ Y0 ) ) ) ) ),
    introduced(definition,[],[choice_axiom]) ).

thf(f6,plain,
    ? [X0: a > $o,X1: a > $o,X2: a > $o] :
      ( ( ^ [Y0: a] :
            ( ( X0 @ Y0 )
            | ( X1 @ Y0 )
            | ( X2 @ Y0 ) ) )
     != ( ^ [Y0: a] :
            ( ( X1 @ Y0 )
            | ( X2 @ Y0 )
            | ( X0 @ Y0 ) ) ) ),
    inference(ennf_transformation,[status(thm)],[f5]) ).

thf(f5,plain,
    ~ ! [X0: a > $o,X1: a > $o,X2: a > $o] :
        ( ( ^ [Y0: a] :
              ( ( X0 @ Y0 )
              | ( X1 @ Y0 )
              | ( X2 @ Y0 ) ) )
        = ( ^ [Y0: a] :
              ( ( X1 @ Y0 )
              | ( X2 @ Y0 )
              | ( X0 @ Y0 ) ) ) ),
    inference(fool_elimination,[status(thm)],[f4]) ).

thf(f4,plain,
    ~ ! [X0: a > $o,X1: a > $o,X2: a > $o] :
        ( ( ^ [X3: a] :
              ( ( X0 @ X3 )
              | ( X2 @ X3 )
              | ( X1 @ X3 ) ) )
        = ( ^ [X4: a] :
              ( ( X2 @ X4 )
              | ( X1 @ X4 )
              | ( X0 @ X4 ) ) ) ),
    inference(rectify,[status(thm)],[f2]) ).

thf(f2,negated_conjecture,
    ~ ! [X2: a > $o,X1: a > $o,X0: a > $o] :
        ( ( ^ [X3: a] :
              ( ( X2 @ X3 )
              | ( X0 @ X3 )
              | ( X1 @ X3 ) ) )
        = ( ^ [X3: a] :
              ( ( X0 @ X3 )
              | ( X1 @ X3 )
              | ( X2 @ X3 ) ) ) ),
    inference(negated_conjecture,[status(cth)],[f1]) ).

thf(f1,conjecture,
    ! [X2: a > $o,X1: a > $o,X0: a > $o] :
      ( ( ^ [X3: a] :
            ( ( X2 @ X3 )
            | ( X0 @ X3 )
            | ( X1 @ X3 ) ) )
      = ( ^ [X3: a] :
            ( ( X0 @ X3 )
            | ( X1 @ X3 )
            | ( X2 @ X3 ) ) ) ),
    file('/export/starexec/sandbox/tmp/tmp.yg4ejwmncd/DTF2THF_10812.p',cBOOL_PROP_64_pme) ).

thf(f69,plain,
    spl3_6,
    inference(avatar_split_clause,[status(thm)],[f27,f63]) ).

thf(f27,plain,
    ( ( sK1 @ sK5 )
    = $false ),
    inference(duplicate_literal_removal,[status(thm)],[f26]) ).

thf(f26,plain,
    ( ( ( sK1 @ sK5 )
      = $false )
    | ( ( sK1 @ sK5 )
      = $false ) ),
    inference(binary_proxy_clausification,[status(thm)],[f24]) ).

thf(f24,plain,
    ( ( ( ( sK1 @ sK5 )
        | ( sK2 @ sK5 ) )
      = $false )
    | ( ( sK1 @ sK5 )
      = $false ) ),
    inference(binary_proxy_clausification,[status(thm)],[f16]) ).

thf(f16,plain,
    ( ( $false
      = ( ( sK1 @ sK5 )
        | ( sK2 @ sK5 )
        | ( sK0 @ sK5 ) ) )
    | ( ( sK1 @ sK5 )
      = $false ) ),
    inference(binary_proxy_clausification,[status(thm)],[f15]) ).

thf(f61,plain,
    spl3_4,
    inference(avatar_split_clause,[status(thm)],[f32,f53]) ).

thf(f32,plain,
    ( $false
    = ( sK2 @ sK5 ) ),
    inference(duplicate_literal_removal,[status(thm)],[f30]) ).

thf(f30,plain,
    ( ( $false
      = ( sK2 @ sK5 ) )
    | ( $false
      = ( sK2 @ sK5 ) ) ),
    inference(binary_proxy_clausification,[status(thm)],[f29]) ).

thf(f29,plain,
    ( ( ( ( sK1 @ sK5 )
        | ( sK2 @ sK5 ) )
      = $false )
    | ( $false
      = ( sK2 @ sK5 ) ) ),
    inference(binary_proxy_clausification,[status(thm)],[f14]) ).

thf(f14,plain,
    ( ( $false
      = ( sK2 @ sK5 ) )
    | ( $false
      = ( ( sK1 @ sK5 )
        | ( sK2 @ sK5 )
        | ( sK0 @ sK5 ) ) ) ),
    inference(binary_proxy_clausification,[status(thm)],[f13]) ).

thf(f51,plain,
    ( spl3_1
    | spl3_2
    | spl3_3 ),
    inference(avatar_split_clause,[status(thm)],[f38,f48,f44,f40]) ).

thf(f38,plain,
    ( ( $true
      = ( sK0 @ sK5 ) )
    | ( $true
      = ( sK2 @ sK5 ) )
    | ( ( sK1 @ sK5 )
      = $true ) ),
    inference(duplicate_literal_removal,[status(thm)],[f37]) ).

thf(f37,plain,
    ( ( $true
      = ( sK0 @ sK5 ) )
    | ( $true
      = ( sK0 @ sK5 ) )
    | ( ( sK1 @ sK5 )
      = $true )
    | ( $true
      = ( sK2 @ sK5 ) )
    | ( ( sK1 @ sK5 )
      = $true ) ),
    inference(binary_proxy_clausification,[status(thm)],[f36]) ).

thf(f36,plain,
    ( ( $true
      = ( sK2 @ sK5 ) )
    | ( ( sK1 @ sK5 )
      = $true )
    | ( $true
      = ( sK0 @ sK5 ) )
    | ( ( ( sK0 @ sK5 )
        | ( sK1 @ sK5 ) )
      = $true ) ),
    inference(duplicate_literal_removal,[status(thm)],[f35]) ).

thf(f35,plain,
    ( ( $true
      = ( sK0 @ sK5 ) )
    | ( ( sK1 @ sK5 )
      = $true )
    | ( $true
      = ( sK2 @ sK5 ) )
    | ( ( ( sK0 @ sK5 )
        | ( sK1 @ sK5 ) )
      = $true )
    | ( $true
      = ( sK2 @ sK5 ) ) ),
    inference(binary_proxy_clausification,[status(thm)],[f34]) ).

thf(f34,plain,
    ( ( $true
      = ( sK0 @ sK5 ) )
    | ( $true
      = ( sK2 @ sK5 ) )
    | ( ( ( sK1 @ sK5 )
        | ( sK2 @ sK5 ) )
      = $true )
    | ( ( ( sK0 @ sK5 )
        | ( sK1 @ sK5 ) )
      = $true ) ),
    inference(binary_proxy_clausification,[status(thm)],[f33]) ).

thf(f33,plain,
    ( ( ( ( sK0 @ sK5 )
        | ( sK1 @ sK5 )
        | ( sK2 @ sK5 ) )
      = $true )
    | ( ( ( sK1 @ sK5 )
        | ( sK2 @ sK5 ) )
      = $true )
    | ( $true
      = ( sK0 @ sK5 ) ) ),
    inference(binary_proxy_clausification,[status(thm)],[f12]) ).

thf(f12,plain,
    ( ( ( ( sK1 @ sK5 )
        | ( sK2 @ sK5 )
        | ( sK0 @ sK5 ) )
      = $true )
    | ( ( ( sK0 @ sK5 )
        | ( sK1 @ sK5 )
        | ( sK2 @ sK5 ) )
      = $true ) ),
    inference(binary_proxy_clausification,[status(thm)],[f11]) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.09  % Problem  : SET159^5 : TPTP v9.2.1. Released v4.0.0.
% 0.00/0.10  % Command  : /export/starexec/sandbox/solver/bin/run_DT2H2X /export/starexec/sandbox/benchmark/theBenchmark.p 300
% 0.12/0.30  % Computer : n010.cluster.edu
% 0.12/0.30  % Model    : x86_64 x86_64
% 0.12/0.30  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.12/0.30  % Memory   : 8042.1875MB
% 0.12/0.30  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.12/0.30  % CPULimit : 300
% 0.12/0.30  % WCLimit  : 300
% 0.12/0.30  % DateTime : Tue Feb 24 11:53:33 EST 2026
% 0.12/0.30  % CPUTime  : 
% 0.12/0.30  Running /export/starexec/sandbox/solver/bin/run_DT2H2X /export/starexec/sandbox/benchmark/theBenchmark.p 300
% 0.17/0.39  ---- Original DTF file ---
% 0.17/0.39  thf(spec,logic,$$dhol).
% 0.17/0.39  %------------------------------------------------------------------------------
% 0.17/0.39  % File     : SET159^5 : TPTP v9.2.1. Released v4.0.0.
% 0.17/0.39  % Domain   : Set Theory
% 0.17/0.39  % Problem  : TPS problem BOOL-PROP-64
% 0.17/0.39  % Version  : Especial.
% 0.17/0.39  % English  : Trybulec's 64th Boolean property of sets
% 0.17/0.39  
% 0.17/0.39  % Refs     : [TS89]  Trybulec & Swieczkowska (1989), Boolean Properties of
% 0.17/0.39  %          : [Bar92] Barker-Plummer D (1992), Gazing: An Approach to the Pr
% 0.17/0.39  %          : [Bro09] Brown (2009), Email to Geoff Sutcliffe
% 0.17/0.39  % Source   : [Bro09]
% 0.17/0.39  % Names    : tps_0232 [Bro09]
% 0.17/0.39  %          : 28 [Bar92]
% 0.17/0.39  %          : GAZING-THM28 [TPS]
% 0.17/0.39  %          : BOOL-PROP-64 [TPS]
% 0.17/0.39  
% 0.17/0.39  % Status   : Theorem
% 0.17/0.39  % Rating   : 0.00 v6.0.0, 0.14 v5.5.0, 0.17 v5.4.0, 0.20 v5.3.0, 0.40 v5.2.0, 0.20 v4.1.0, 0.00 v4.0.0
% 0.17/0.39  % Syntax   : Number of formulae    :    2 (   1 unt;   1 typ;   0 def)
% 0.17/0.39  %            Number of atoms       :    1 (   1 equ;   0 cnn)
% 0.17/0.39  %            Maximal formula atoms :    1 (   1 avg)
% 0.17/0.39  %            Number of connectives :   10 (   0   ~;   4   |;   0   &;   6   @)
% 0.17/0.39  %                                         (   0 <=>;   0  =>;   0  <=;   0 <~>)
% 0.17/0.39  %            Maximal formula depth :    4 (   4 avg)
% 0.17/0.39  %            Number of types       :    2 (   1 usr)
% 0.17/0.39  %            Number of type conns  :    3 (   3   >;   0   *;   0   +;   0  <<)
% 0.17/0.39  %            Number of symbols     :    1 (   0 usr;   0 con; 2-2 aty)
% 0.17/0.39  %            Number of variables   :    5 (   2   ^;   3   !;   0   ?;   5   :)
% 0.17/0.39  % SPC      : TH0_THM_EQU_NAR
% 0.17/0.39  
% 0.17/0.39  % Comments : This problem is from the TPS library. Copyright (c) 2009 The TPS
% 0.17/0.39  %            project in the Department of Mathematical Sciences at Carnegie
% 0.17/0.39  %            Mellon University. Distributed under the Creative Commons copyleft
% 0.17/0.39  %            license: http://creativecommons.org/licenses/by-sa/3.0/
% 0.17/0.39  %          : Polymorphic definitions expanded.
% 0.17/0.39  %          : 
% 0.17/0.39  %------------------------------------------------------------------------------
% 0.17/0.39  thf(a_type,type,
% 0.17/0.39      a: $tType ).
% 0.17/0.39  
% 0.17/0.39  thf(cBOOL_PROP_64_pme,conjecture,
% 0.17/0.39      ! [X: a > $o,Y: a > $o,Z: a > $o] :
% 0.17/0.39        ( ( ^ [Xz: a] :
% 0.17/0.39              ( ( X @ Xz )
% 0.17/0.39              | ( Y @ Xz )
% 0.17/0.39              | ( Z @ Xz ) ) )
% 0.17/0.39        = ( ^ [Xz: a] :
% 0.17/0.39              ( ( X @ Xz )
% 0.17/0.39              | ( Y @ Xz )
% 0.17/0.39              | ( Z @ Xz ) ) ) ) ).
% 0.17/0.39  
% 0.17/0.39  %------------------------------------------------------------------------------
% 0.17/0.39  ------------------------
% 1.53/1.34  ---- Embedded in THF ---
% 1.53/1.34  %%% This output was generated by embedproblem, version 1.9.5 (library version 1.9).
% 1.53/1.34  %%% Generated on Tue Feb 24 11:53:34 EST 2026
% 1.53/1.34  %%% using '$$dhol' embedding, version 1.3.0.
% 1.53/1.34  %%% Logic specification used:
% 1.53/1.34  %%% thf(spec, logic, $$dhol).
% 1.53/1.34  
% 1.53/1.34  % SZS output start ListOfTHF for /export/starexec/sandbox/tmp/tmp.yg4ejwmncd/DTF2DTF10812.p
% See solution above
% 1.53/1.34  ------------------------
% 1.53/1.35  ---- Cleaned THF ---
% 1.53/1.35  thf(a_type,type,
% 1.53/1.35      a: $tType ).
% 1.53/1.35  
% 1.53/1.35  thf(cBOOL_PROP_64_pme,conjecture,
% 1.53/1.35      ! [X: a > $o,Y: a > $o,Z: a > $o] :
% 1.53/1.35        ( ( ^ [Xz: a] :
% 1.53/1.35              ( ( X @ Xz )
% 1.53/1.35              | ( Y @ Xz )
% 1.53/1.35              | ( Z @ Xz ) ) )
% 1.53/1.35        = ( ^ [Xz: a] :
% 1.53/1.35              ( ( X @ Xz )
% 1.53/1.35              | ( Y @ Xz )
% 1.53/1.35              | ( Z @ Xz ) ) ) ) ).
% 1.53/1.35  ------------------------
% 1.53/1.37  % (10913)lrs+1002_1:128_aac=none:au=on:cnfonf=lazy_not_gen_be_off:sos=all:i=2:si=on:rtra=on_0 on DTF2THF_10812 for (3000ds/2Mi)
% 1.53/1.37  % (10909)lrs+1002_1:8_bd=off:fd=off:hud=10:tnu=1:i=183:si=on:rtra=on_0 on DTF2THF_10812 for (3000ds/183Mi)
% 1.53/1.37  % (10910)lrs+10_1:1_c=on:cnfonf=conj_eager:fd=off:fe=off:kws=frequency:spb=intro:i=4:si=on:rtra=on_0 on DTF2THF_10812 for (3000ds/4Mi)
% 1.53/1.37  % (10914)lrs+1002_1:1_au=on:bd=off:e2e=on:sd=2:sos=on:ss=axioms:i=275:si=on:rtra=on_0 on DTF2THF_10812 for (3000ds/275Mi)
% 1.53/1.37  % (10915)lrs+1004_1:128_cond=on:e2e=on:sp=weighted_frequency:i=18:si=on:rtra=on_0 on DTF2THF_10812 for (3000ds/18Mi)
% 1.53/1.37  % (10912)lrs+10_1:1_au=on:inj=on:i=2:si=on:rtra=on_0 on DTF2THF_10812 for (3000ds/2Mi)
% 1.53/1.37  % (10911)dis+1010_1:1_au=on:cbe=off:chr=on:fsr=off:hfsq=on:nm=64:sos=theory:sp=weighted_frequency:i=27:si=on:rtra=on_0 on DTF2THF_10812 for (3000ds/27Mi)
% 1.53/1.37  % (10912)Instruction limit reached!
% 1.53/1.37  % (10912)------------------------------
% 1.53/1.37  % (10912)Version: Vampire 4.8 (commit 7b44b1c2f on 2025-07-15 09:50:17 +0100)
% 1.53/1.37  % (10912)Termination reason: Unknown
% 1.53/1.37  % (10912)Termination phase: Saturation
% 1.53/1.37  
% 1.53/1.37  % (10913)Instruction limit reached!
% 1.53/1.37  % (10913)------------------------------
% 1.53/1.37  % (10913)Version: Vampire 4.8 (commit 7b44b1c2f on 2025-07-15 09:50:17 +0100)
% 1.53/1.37  % (10913)Termination reason: Unknown
% 1.53/1.37  % (10913)Termination phase: Saturation
% 1.53/1.37  
% 1.53/1.37  % (10913)Memory used [KB]: 5373
% 1.53/1.37  % (10913)Time elapsed: 0.003 s
% 1.53/1.37  % (10913)Instructions burned: 2 (million)
% 1.53/1.37  % (10913)------------------------------
% 1.53/1.37  % (10913)------------------------------
% 1.53/1.37  % (10912)Memory used [KB]: 5373
% 1.53/1.37  % (10912)Time elapsed: 0.003 s
% 1.53/1.37  % (10912)Instructions burned: 2 (million)
% 1.53/1.37  % (10912)------------------------------
% 1.53/1.37  % (10912)------------------------------
% 1.53/1.37  % (10914)First to succeed.
% 1.53/1.37  % (10909)Also succeeded, but the first one will report.
% 1.53/1.37  % (10915)Also succeeded, but the first one will report.
% 1.53/1.37  % (10914)Refutation found. Thanks to Tanya!
% 1.53/1.37  % SZS status Theorem for DTF2THF_10812
% 1.53/1.37  % SZS output start Proof for DTF2THF_10812
% 1.53/1.37  thf(type_def_5, type, a: $tType).
% 1.53/1.37  thf(func_def_0, type, a: $tType).
% 1.53/1.37  thf(func_def_7, type, sK0: a > $o).
% 1.53/1.37  thf(func_def_8, type, sK1: a > $o).
% 1.53/1.37  thf(func_def_9, type, sK2: a > $o).
% 1.53/1.37  thf(func_def_11, type, ph4: !>[X0: $tType]:(X0)).
% 1.53/1.37  thf(func_def_12, type, sK5: a).
% 1.53/1.37  thf(f84,plain,(
% 1.53/1.37    $false),
% 1.53/1.37    inference(avatar_sat_refutation,[status(thm)],[f51,f61,f69,f70,f75,f79,f83])).
% 1.53/1.37  thf(f83,plain,(
% 1.53/1.37    ~spl3_1 | ~spl3_4),
% 1.53/1.37    inference(avatar_contradiction_clause,[status(thm)],[f82])).
% 1.53/1.37  thf(f82,plain,(
% 1.53/1.37    $false | (~spl3_1 | ~spl3_4)),
% 1.53/1.37    inference(trivial_inequality_removal,[status(thm)],[f81])).
% 1.53/1.37  thf(f81,plain,(
% 1.53/1.37    ($false = $true) | (~spl3_1 | ~spl3_4)),
% 1.53/1.37    inference(forward_demodulation,[status(thm)],[f42,f55])).
% 1.53/1.37  thf(f55,plain,(
% 1.53/1.37    ($false = (sK2 @ sK5)) | ~spl3_4),
% 1.53/1.37    inference(avatar_component_clause,[status(thm)],[f53])).
% 1.53/1.37  thf(f53,definition,(
% 1.53/1.37    spl3_4 <=> ($false = (sK2 @ sK5))),
% 1.53/1.37    introduced(definition,[new_symbols(naming,[spl3_4])],[avatar_definition])).
% 1.53/1.37  thf(f42,plain,(
% 1.53/1.37    ($true = (sK2 @ sK5)) | ~spl3_1),
% 1.53/1.37    inference(avatar_component_clause,[status(thm)],[f40])).
% 1.53/1.37  thf(f40,definition,(
% 1.53/1.37    spl3_1 <=> ($true = (sK2 @ sK5))),
% 1.53/1.37    introduced(definition,[new_symbols(naming,[spl3_1])],[avatar_definition])).
% 1.53/1.37  thf(f79,plain,(
% 1.53/1.37    ~spl3_3 | ~spl3_6),
% 1.53/1.37    inference(avatar_contradiction_clause,[status(thm)],[f78])).
% 1.53/1.37  thf(f78,plain,(
% 1.53/1.37    $false | (~spl3_3 | ~spl3_6)),
% 1.53/1.37    inference(trivial_inequality_removal,[status(thm)],[f77])).
% 1.53/1.37  thf(f77,plain,(
% 1.53/1.37    ($false = $true) | (~spl3_3 | ~spl3_6)),
% 1.53/1.37    inference(forward_demodulation,[status(thm)],[f50,f65])).
% 1.53/1.37  thf(f65,plain,(
% 1.53/1.37    ((sK1 @ sK5) = $false) | ~spl3_6),
% 1.53/1.37    inference(avatar_component_clause,[status(thm)],[f63])).
% 1.53/1.37  thf(f63,definition,(
% 1.53/1.37    spl3_6 <=> ((sK1 @ sK5) = $false)),
% 1.53/1.37    introduced(definition,[new_symbols(naming,[spl3_6])],[avatar_definition])).
% 1.53/1.37  thf(f50,plain,(
% 1.53/1.37    ((sK1 @ sK5) = $true) | ~spl3_3),
% 1.53/1.37    inference(avatar_component_clause,[status(thm)],[f48])).
% 1.53/1.37  thf(f48,definition,(
% 1.53/1.37    spl3_3 <=> ((sK1 @ sK5) = $true)),
% 1.53/1.37    introduced(definition,[new_symbols(naming,[spl3_3])],[avatar_definition])).
% 1.53/1.37  thf(f75,plain,(
% 1.53/1.37    ~spl3_2 | ~spl3_5),
% 1.53/1.37    inference(avatar_contradiction_clause,[status(thm)],[f74])).
% 1.53/1.37  thf(f74,plain,(
% 1.53/1.37    $false | (~spl3_2 | ~spl3_5)),
% 1.53/1.37    inference(trivial_inequality_removal,[status(thm)],[f73])).
% 1.53/1.37  thf(f73,plain,(
% 1.53/1.37    ($false = $true) | (~spl3_2 | ~spl3_5)),
% 1.53/1.37    inference(forward_demodulation,[status(thm)],[f46,f59])).
% 1.53/1.37  thf(f59,plain,(
% 1.53/1.37    ($false = (sK0 @ sK5)) | ~spl3_5),
% 1.53/1.37    inference(avatar_component_clause,[status(thm)],[f57])).
% 1.53/1.37  thf(f57,definition,(
% 1.53/1.37    spl3_5 <=> ($false = (sK0 @ sK5))),
% 1.53/1.37    introduced(definition,[new_symbols(naming,[spl3_5])],[avatar_definition])).
% 1.53/1.37  thf(f46,plain,(
% 1.53/1.37    ($true = (sK0 @ sK5)) | ~spl3_2),
% 1.53/1.37    inference(avatar_component_clause,[status(thm)],[f44])).
% 1.53/1.37  thf(f44,definition,(
% 1.53/1.37    spl3_2 <=> ($true = (sK0 @ sK5))),
% 1.53/1.37    introduced(definition,[new_symbols(naming,[spl3_2])],[avatar_definition])).
% 1.53/1.37  thf(f70,plain,(
% 1.53/1.37    spl3_5),
% 1.53/1.37    inference(avatar_split_clause,[status(thm)],[f22,f57])).
% 1.53/1.37  thf(f22,plain,(
% 1.53/1.37    ($false = (sK0 @ sK5))),
% 1.53/1.37    inference(duplicate_literal_removal,[status(thm)],[f18])).
% 1.53/1.37  thf(f18,plain,(
% 1.53/1.37    ($false = (sK0 @ sK5)) | ($false = (sK0 @ sK5))),
% 1.53/1.37    inference(binary_proxy_clausification,[status(thm)],[f17])).
% 1.53/1.37  thf(f17,plain,(
% 1.53/1.37    ($false = (sK0 @ sK5)) | ($false = (((sK1 @ sK5) | (sK2 @ sK5)) | (sK0 @ sK5)))),
% 1.53/1.37    inference(binary_proxy_clausification,[status(thm)],[f15])).
% 1.53/1.37  thf(f15,plain,(
% 1.53/1.37    (((sK0 @ sK5) | (sK1 @ sK5)) = $false) | ($false = (((sK1 @ sK5) | (sK2 @ sK5)) | (sK0 @ sK5)))),
% 1.53/1.37    inference(binary_proxy_clausification,[status(thm)],[f13])).
% 1.53/1.37  thf(f13,plain,(
% 1.53/1.37    ($false = (((sK0 @ sK5) | (sK1 @ sK5)) | (sK2 @ sK5))) | ($false = (((sK1 @ sK5) | (sK2 @ sK5)) | (sK0 @ sK5)))),
% 1.53/1.37    inference(binary_proxy_clausification,[status(thm)],[f11])).
% 1.53/1.37  thf(f11,plain,(
% 1.53/1.37    ((((sK0 @ sK5) | (sK1 @ sK5)) | (sK2 @ sK5)) != (((sK1 @ sK5) | (sK2 @ sK5)) | (sK0 @ sK5)))),
% 1.53/1.37    inference(beta_eta_normalization,[status(thm)],[f10])).
% 1.53/1.37  thf(f10,plain,(
% 1.53/1.37    (((^[Y0 : a]: (((sK0 @ Y0) | (sK1 @ Y0)) | (sK2 @ Y0))) @ sK5) != ((^[Y0 : a]: (((sK1 @ Y0) | (sK2 @ Y0)) | (sK0 @ Y0))) @ sK5))),
% 1.53/1.37    inference(negative_extensionality,[status(thm)],[f9])).
% 1.53/1.37  thf(f9,plain,(
% 1.53/1.37    ((^[Y0 : a]: (((sK0 @ Y0) | (sK1 @ Y0)) | (sK2 @ Y0))) != (^[Y0 : a]: (((sK1 @ Y0) | (sK2 @ Y0)) | (sK0 @ Y0))))),
% 1.53/1.37    inference(cnf_transformation,[status(thm)],[f8])).
% 1.53/1.37  thf(f8,plain,(
% 1.53/1.37    ((^[Y0 : a]: (((sK0 @ Y0) | (sK1 @ Y0)) | (sK2 @ Y0))) != (^[Y0 : a]: (((sK1 @ Y0) | (sK2 @ Y0)) | (sK0 @ Y0))))),
% 1.53/1.37    inference(skolemisation,[status(esa),new_symbols(skolem,[sK0,sK1,sK2])],[f6,f7])).
% 1.53/1.37  thf(f7,plain,(
% 1.53/1.37    ? [X0 : a > $o,X1 : a > $o,X2 : a > $o] : ((^[Y0 : a]: (((X0 @ Y0) | (X1 @ Y0)) | (X2 @ Y0))) != (^[Y0 : a]: (((X1 @ Y0) | (X2 @ Y0)) | (X0 @ Y0)))) => ((^[Y0 : a]: (((sK0 @ Y0) | (sK1 @ Y0)) | (sK2 @ Y0))) != (^[Y0 : a]: (((sK1 @ Y0) | (sK2 @ Y0)) | (sK0 @ Y0))))),
% 1.53/1.37    introduced(definition,[],[choice_axiom])).
% 1.53/1.37  thf(f6,plain,(
% 1.53/1.37    ? [X0 : a > $o,X1 : a > $o,X2 : a > $o] : ((^[Y0 : a]: (((X0 @ Y0) | (X1 @ Y0)) | (X2 @ Y0))) != (^[Y0 : a]: (((X1 @ Y0) | (X2 @ Y0)) | (X0 @ Y0))))),
% 1.53/1.37    inference(ennf_transformation,[status(thm)],[f5])).
% 1.53/1.37  thf(f5,plain,(
% 1.53/1.37    ~! [X0 : a > $o,X1 : a > $o,X2 : a > $o] : ((^[Y0 : a]: (((X0 @ Y0) | (X1 @ Y0)) | (X2 @ Y0))) = (^[Y0 : a]: (((X1 @ Y0) | (X2 @ Y0)) | (X0 @ Y0))))),
% 1.53/1.37    inference(fool_elimination,[status(thm)],[f4])).
% 1.53/1.37  thf(f4,plain,(
% 1.53/1.37    ~! [X0 : a > $o,X1 : a > $o,X2 : a > $o] : ((^[X3 : a] : ((X0 @ X3) | (X2 @ X3) | (X1 @ X3))) = (^[X4 : a] : ((X2 @ X4) | (X1 @ X4) | (X0 @ X4))))),
% 1.53/1.37    inference(rectify,[status(thm)],[f2])).
% 1.53/1.37  thf(f2,negated_conjecture,(
% 1.53/1.37    ~! [X2 : a > $o,X1 : a > $o,X0 : a > $o] : ((^[X3 : a] : ((X2 @ X3) | (X0 @ X3) | (X1 @ X3))) = (^[X3 : a] : ((X0 @ X3) | (X1 @ X3) | (X2 @ X3))))),
% 1.53/1.37    inference(negated_conjecture,[status(cth)],[f1])).
% 1.53/1.37  thf(f1,conjecture,(
% 1.53/1.37    ! [X2 : a > $o,X1 : a > $o,X0 : a > $o] : ((^[X3 : a] : ((X2 @ X3) | (X0 @ X3) | (X1 @ X3))) = (^[X3 : a] : ((X0 @ X3) | (X1 @ X3) | (X2 @ X3))))),
% 1.53/1.37    file('/export/starexec/sandbox/tmp/tmp.yg4ejwmncd/DTF2THF_10812.p',cBOOL_PROP_64_pme)).
% 1.53/1.37  thf(f69,plain,(
% 1.53/1.37    spl3_6),
% 1.53/1.37    inference(avatar_split_clause,[status(thm)],[f27,f63])).
% 1.53/1.37  thf(f27,plain,(
% 1.53/1.37    ((sK1 @ sK5) = $false)),
% 1.53/1.37    inference(duplicate_literal_removal,[status(thm)],[f26])).
% 1.53/1.37  thf(f26,plain,(
% 1.53/1.37    ((sK1 @ sK5) = $false) | ((sK1 @ sK5) = $false)),
% 1.53/1.37    inference(binary_proxy_clausification,[status(thm)],[f24])).
% 1.53/1.37  thf(f24,plain,(
% 1.53/1.37    (((sK1 @ sK5) | (sK2 @ sK5)) = $false) | ((sK1 @ sK5) = $false)),
% 1.53/1.37    inference(binary_proxy_clausification,[status(thm)],[f16])).
% 1.53/1.37  thf(f16,plain,(
% 1.53/1.37    ($false = (((sK1 @ sK5) | (sK2 @ sK5)) | (sK0 @ sK5))) | ((sK1 @ sK5) = $false)),
% 1.53/1.37    inference(binary_proxy_clausification,[status(thm)],[f15])).
% 1.53/1.37  thf(f61,plain,(
% 1.53/1.37    spl3_4),
% 1.53/1.37    inference(avatar_split_clause,[status(thm)],[f32,f53])).
% 1.53/1.37  thf(f32,plain,(
% 1.53/1.37    ($false = (sK2 @ sK5))),
% 1.53/1.37    inference(duplicate_literal_removal,[status(thm)],[f30])).
% 1.53/1.37  thf(f30,plain,(
% 1.53/1.37    ($false = (sK2 @ sK5)) | ($false = (sK2 @ sK5))),
% 1.53/1.37    inference(binary_proxy_clausification,[status(thm)],[f29])).
% 1.53/1.37  thf(f29,plain,(
% 1.53/1.37    (((sK1 @ sK5) | (sK2 @ sK5)) = $false) | ($false = (sK2 @ sK5))),
% 1.53/1.37    inference(binary_proxy_clausification,[status(thm)],[f14])).
% 1.53/1.37  thf(f14,plain,(
% 1.53/1.37    ($false = (sK2 @ sK5)) | ($false = (((sK1 @ sK5) | (sK2 @ sK5)) | (sK0 @ sK5)))),
% 1.53/1.37    inference(binary_proxy_clausification,[status(thm)],[f13])).
% 1.53/1.37  thf(f51,plain,(
% 1.53/1.37    spl3_1 | spl3_2 | spl3_3),
% 1.53/1.37    inference(avatar_split_clause,[status(thm)],[f38,f48,f44,f40])).
% 1.53/1.37  thf(f38,plain,(
% 1.53/1.37    ($true = (sK0 @ sK5)) | ($true = (sK2 @ sK5)) | ((sK1 @ sK5) = $true)),
% 1.53/1.37    inference(duplicate_literal_removal,[status(thm)],[f37])).
% 1.53/1.37  thf(f37,plain,(
% 1.53/1.37    ($true = (sK0 @ sK5)) | ($true = (sK0 @ sK5)) | ((sK1 @ sK5) = $true) | ($true = (sK2 @ sK5)) | ((sK1 @ sK5) = $true)),
% 1.53/1.37    inference(binary_proxy_clausification,[status(thm)],[f36])).
% 1.53/1.37  thf(f36,plain,(
% 1.53/1.37    ($true = (sK2 @ sK5)) | ((sK1 @ sK5) = $true) | ($true = (sK0 @ sK5)) | (((sK0 @ sK5) | (sK1 @ sK5)) = $true)),
% 1.53/1.37    inference(duplicate_literal_removal,[status(thm)],[f35])).
% 1.53/1.37  thf(f35,plain,(
% 1.53/1.37    ($true = (sK0 @ sK5)) | ((sK1 @ sK5) = $true) | ($true = (sK2 @ sK5)) | (((sK0 @ sK5) | (sK1 @ sK5)) = $true) | ($true = (sK2 @ sK5))),
% 1.53/1.37    inference(binary_proxy_clausification,[status(thm)],[f34])).
% 1.53/1.37  thf(f34,plain,(
% 1.53/1.37    ($true = (sK0 @ sK5)) | ($true = (sK2 @ sK5)) | (((sK1 @ sK5) | (sK2 @ sK5)) = $true) | (((sK0 @ sK5) | (sK1 @ sK5)) = $true)),
% 1.53/1.37    inference(binary_proxy_clausification,[status(thm)],[f33])).
% 1.53/1.37  thf(f33,plain,(
% 1.53/1.37    ((((sK0 @ sK5) | (sK1 @ sK5)) | (sK2 @ sK5)) = $true) | (((sK1 @ sK5) | (sK2 @ sK5)) = $true) | ($true = (sK0 @ sK5))),
% 1.53/1.37    inference(binary_proxy_clausification,[status(thm)],[f12])).
% 1.53/1.37  thf(f12,plain,(
% 1.53/1.37    ((((sK1 @ sK5) | (sK2 @ sK5)) | (sK0 @ sK5)) = $true) | ((((sK0 @ sK5) | (sK1 @ sK5)) | (sK2 @ sK5)) = $true)),
% 1.53/1.37    inference(binary_proxy_clausification,[status(thm)],[f11])).
% 1.53/1.37  % SZS output end Proof for DTF2THF_10812
% 1.53/1.37  % (10914)------------------------------
% 1.53/1.37  % (10914)Version: Vampire 4.8 (commit 7b44b1c2f on 2025-07-15 09:50:17 +0100)
% 1.53/1.37  % (10914)Termination reason: Refutation
% 1.53/1.37  
% 1.53/1.37  % (10914)Memory used [KB]: 5500
% 1.53/1.37  % (10914)Time elapsed: 0.005 s
% 1.53/1.37  % (10914)Instructions burned: 2 (million)
% 1.53/1.37  % (10914)------------------------------
% 1.53/1.37  % (10914)------------------------------
% 1.53/1.37  % (10908)Success in time 0.019 s
%------------------------------------------------------------------------------