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DT2H2X---1.9.5.THM-Ref.s

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%------------------------------------------------------------------------------
% File     : DT2H2X---1.9.5
% Problem  : SET593^5 : 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 : n006.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 09:31:50 AM UTC 2026

% Result   : Theorem 1.47s 1.26s
% Output   : Refutation 1.47s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   13
%            Number of leaves      :   10
% Syntax   : Number of formulae    :   46 (   1 unt;   0 typ;   6 def)
%            Number of atoms       :  352 ( 123 equ;   0 cnn)
%            Maximal formula atoms :   18 (   7 avg)
%            Number of connectives :  376 (  87   ~;  59   |;  53   &; 148   @)
%                                         (   6 <=>;  23  =>;   0  <=;   0 <~>)
%            Maximal formula depth :   12 (   5 avg)
%            Number of types       :    2 (   1 usr)
%            Number of type conns  :   27 (  27   >;   0   *;   0   +;   0  <<)
%            Number of symbols     :   15 (  12 usr;  10 con; 0-2 aty)
%            Number of variables   :   61 (   0   ^;  37   !;  24   ?;  61   :)

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

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

thf(func_def_2,type,
    vEPSILON: 
      !>[X0: $tType] : ( ( X0 > $o ) > X0 ) ).

thf(func_def_5,type,
    sK0: a > $o ).

thf(func_def_6,type,
    sK1: a > $o ).

thf(func_def_7,type,
    sK2: a > $o ).

thf(func_def_8,type,
    sK3: a ).

thf(func_def_9,type,
    sK4: a ).

thf(f63,plain,
    $false,
    inference(avatar_sat_refutation,[status(thm)],[f32,f37,f42,f47,f52,f53,f54,f55,f56,f59,f62]) ).

thf(f62,plain,
    ( spl5_3
    | spl5_1
    | ~ spl5_6 ),
    inference(avatar_split_clause,[status(thm)],[f61,f49,f25,f34]) ).

thf(f34,definition,
    ( spl5_3
  <=> ( $true
      = ( sK0 @ sK4 ) ) ),
    introduced(definition,[new_symbols(naming,[spl5_3])],[avatar_definition]) ).

thf(f25,definition,
    ( spl5_1
  <=> ( $true
      = ( sK2 @ sK4 ) ) ),
    introduced(definition,[new_symbols(naming,[spl5_1])],[avatar_definition]) ).

thf(f49,definition,
    ( spl5_6
  <=> ( $true
      = ( sK1 @ sK4 ) ) ),
    introduced(definition,[new_symbols(naming,[spl5_6])],[avatar_definition]) ).

thf(f61,plain,
    ( ( $true
      = ( sK0 @ sK4 ) )
    | ( $true
      = ( sK2 @ sK4 ) )
    | ~ spl5_6 ),
    inference(trivial_inequality_removal,[status(thm)],[f60]) ).

thf(f60,plain,
    ( ( $true
      = ( sK2 @ sK4 ) )
    | ( $true != $true )
    | ( $true
      = ( sK0 @ sK4 ) )
    | ~ spl5_6 ),
    inference(superposition,[status(thm)],[f14,f51]) ).

thf(f51,plain,
    ( ( $true
      = ( sK1 @ sK4 ) )
    | ~ spl5_6 ),
    inference(avatar_component_clause,[status(thm)],[f49]) ).

thf(f14,plain,
    ! [X5: a] :
      ( ( $true
       != ( sK1 @ X5 ) )
      | ( $true
        = ( sK0 @ X5 ) )
      | ( $true
        = ( sK2 @ X5 ) ) ),
    inference(cnf_transformation,[status(thm)],[f13]) ).

thf(f13,plain,
    ( ( ( ( $true
         != ( sK0 @ sK3 ) )
        & ( $true
         != ( sK2 @ sK3 ) )
        & ( $true
          = ( sK1 @ sK3 ) ) )
      | ( ( $true
         != ( sK0 @ sK4 ) )
        & ( $true
          = ( sK1 @ sK4 ) )
        & ( $true
         != ( sK2 @ sK4 ) ) ) )
    & ! [X5: a] :
        ( ( $true
          = ( sK0 @ X5 ) )
        | ( $true
          = ( sK2 @ X5 ) )
        | ( $true
         != ( sK1 @ X5 ) ) ) ),
    inference(skolemisation,[status(esa),new_symbols(skolem,[sK0,sK1,sK2,sK3,sK4])],[f9,f12,f11,f10]) ).

thf(f10,plain,
    ( ? [X0: a > $o,X1: a > $o,X2: a > $o] :
        ( ( ? [X3: a] :
              ( ( ( X0 @ X3 )
               != $true )
              & ( ( X2 @ X3 )
               != $true )
              & ( ( X1 @ X3 )
                = $true ) )
          | ? [X4: a] :
              ( ( $true
               != ( X0 @ X4 ) )
              & ( $true
                = ( X1 @ X4 ) )
              & ( $true
               != ( X2 @ X4 ) ) ) )
        & ! [X5: a] :
            ( ( $true
              = ( X0 @ X5 ) )
            | ( $true
              = ( X2 @ X5 ) )
            | ( $true
             != ( X1 @ X5 ) ) ) )
   => ( ( ? [X3: a] :
            ( ( $true
             != ( sK0 @ X3 ) )
            & ( ( sK2 @ X3 )
             != $true )
            & ( $true
              = ( sK1 @ X3 ) ) )
        | ? [X4: a] :
            ( ( $true
             != ( sK0 @ X4 ) )
            & ( $true
              = ( sK1 @ X4 ) )
            & ( $true
             != ( sK2 @ X4 ) ) ) )
      & ! [X5: a] :
          ( ( $true
            = ( sK0 @ X5 ) )
          | ( $true
            = ( sK2 @ X5 ) )
          | ( $true
           != ( sK1 @ X5 ) ) ) ) ),
    introduced(definition,[],[choice_axiom]) ).

thf(f11,plain,
    ( ? [X3: a] :
        ( ( $true
         != ( sK0 @ X3 ) )
        & ( ( sK2 @ X3 )
         != $true )
        & ( $true
          = ( sK1 @ X3 ) ) )
   => ( ( $true
       != ( sK0 @ sK3 ) )
      & ( $true
       != ( sK2 @ sK3 ) )
      & ( $true
        = ( sK1 @ sK3 ) ) ) ),
    introduced(definition,[],[choice_axiom]) ).

thf(f12,plain,
    ( ? [X4: a] :
        ( ( $true
         != ( sK0 @ X4 ) )
        & ( $true
          = ( sK1 @ X4 ) )
        & ( $true
         != ( sK2 @ X4 ) ) )
   => ( ( $true
       != ( sK0 @ sK4 ) )
      & ( $true
        = ( sK1 @ sK4 ) )
      & ( $true
       != ( sK2 @ sK4 ) ) ) ),
    introduced(definition,[],[choice_axiom]) ).

thf(f9,plain,
    ? [X0: a > $o,X1: a > $o,X2: a > $o] :
      ( ( ? [X3: a] :
            ( ( ( X0 @ X3 )
             != $true )
            & ( ( X2 @ X3 )
             != $true )
            & ( ( X1 @ X3 )
              = $true ) )
        | ? [X4: a] :
            ( ( $true
             != ( X0 @ X4 ) )
            & ( $true
              = ( X1 @ X4 ) )
            & ( $true
             != ( X2 @ X4 ) ) ) )
      & ! [X5: a] :
          ( ( $true
            = ( X0 @ X5 ) )
          | ( $true
            = ( X2 @ X5 ) )
          | ( $true
           != ( X1 @ X5 ) ) ) ),
    inference(rectify,[status(thm)],[f8]) ).

thf(f8,plain,
    ? [X1: a > $o,X0: a > $o,X2: a > $o] :
      ( ( ? [X4: a] :
            ( ( $true
             != ( X1 @ X4 ) )
            & ( $true
             != ( X2 @ X4 ) )
            & ( $true
              = ( X0 @ X4 ) ) )
        | ? [X5: a] :
            ( ( $true
             != ( X1 @ X5 ) )
            & ( $true
              = ( X0 @ X5 ) )
            & ( $true
             != ( X2 @ X5 ) ) ) )
      & ! [X3: a] :
          ( ( ( X1 @ X3 )
            = $true )
          | ( ( X2 @ X3 )
            = $true )
          | ( ( X0 @ X3 )
           != $true ) ) ),
    inference(flattening,[status(thm)],[f7]) ).

thf(f7,plain,
    ? [X1: a > $o,X0: a > $o,X2: a > $o] :
      ( ( ? [X4: a] :
            ( ( $true
             != ( X2 @ X4 ) )
            & ( $true
             != ( X1 @ X4 ) )
            & ( $true
              = ( X0 @ X4 ) ) )
        | ? [X5: a] :
            ( ( $true
             != ( X1 @ X5 ) )
            & ( $true
              = ( X0 @ X5 ) )
            & ( $true
             != ( X2 @ X5 ) ) ) )
      & ! [X3: a] :
          ( ( ( X1 @ X3 )
            = $true )
          | ( ( X2 @ X3 )
            = $true )
          | ( ( X0 @ X3 )
           != $true ) ) ),
    inference(ennf_transformation,[status(thm)],[f6]) ).

thf(f6,plain,
    ~ ! [X1: a > $o,X0: a > $o,X2: a > $o] :
        ( ! [X3: a] :
            ( ( ( X0 @ X3 )
              = $true )
           => ( ( ( X1 @ X3 )
                = $true )
              | ( ( X2 @ X3 )
                = $true ) ) )
       => ( ! [X4: a] :
              ( ( ( $true
                 != ( X1 @ X4 ) )
                & ( $true
                  = ( X0 @ X4 ) ) )
             => ( $true
                = ( X2 @ X4 ) ) )
          & ! [X5: a] :
              ( ( ( $true
                  = ( X0 @ X5 ) )
                & ( $true
                 != ( X2 @ X5 ) ) )
             => ( $true
                = ( X1 @ X5 ) ) ) ) ),
    inference(flattening,[status(thm)],[f5]) ).

thf(f5,plain,
    ~ ! [X0: a > $o,X1: a > $o,X2: a > $o] :
        ( ! [X3: a] :
            ( ( ( X0 @ X3 )
              = $true )
           => ( ( ( X1 @ X3 )
                = $true )
              | ( ( X2 @ X3 )
                = $true ) ) )
       => ( ! [X4: a] :
              ( ( ( $true
                  = ( X0 @ X4 ) )
                & ( $true
                 != ( X1 @ X4 ) ) )
             => ( $true
                = ( X2 @ X4 ) ) )
          & ! [X5: a] :
              ( ( ( $true
                  = ( X0 @ X5 ) )
                & ( $true
                 != ( X2 @ X5 ) ) )
             => ( $true
                = ( X1 @ X5 ) ) ) ) ),
    inference(fool_elimination,[status(thm)],[f4]) ).

thf(f4,plain,
    ~ ! [X0: a > $o,X1: a > $o,X2: a > $o] :
        ( ! [X3: a] :
            ( ( X0 @ X3 )
           => ( ( X1 @ X3 )
              | ( X2 @ X3 ) ) )
       => ( ! [X4: a] :
              ( ( ( X0 @ X4 )
                & ~ ( X1 @ X4 ) )
             => ( X2 @ X4 ) )
          & ! [X5: a] :
              ( ( ( X0 @ X5 )
                & ~ ( X2 @ X5 ) )
             => ( X1 @ X5 ) ) ) ),
    inference(rectify,[status(thm)],[f2]) ).

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

thf(f1,conjecture,
    ! [X0: a > $o,X1: a > $o,X2: a > $o] :
      ( ! [X3: a] :
          ( ( X0 @ X3 )
         => ( ( X1 @ X3 )
            | ( X2 @ X3 ) ) )
     => ( ! [X3: a] :
            ( ( ( X0 @ X3 )
              & ~ ( X1 @ X3 ) )
           => ( X2 @ X3 ) )
        & ! [X3: a] :
            ( ( ( X0 @ X3 )
              & ~ ( X2 @ X3 ) )
           => ( X1 @ X3 ) ) ) ),
    file('/export/starexec/sandbox/tmp/tmp.a7u7xHexrg/DTF2THF_19248.p',cBOOL_PROP_52_pme) ).

thf(f59,plain,
    ( spl5_2
    | spl5_4
    | ~ spl5_5 ),
    inference(avatar_split_clause,[status(thm)],[f58,f44,f39,f29]) ).

thf(f29,definition,
    ( spl5_2
  <=> ( $true
      = ( sK2 @ sK3 ) ) ),
    introduced(definition,[new_symbols(naming,[spl5_2])],[avatar_definition]) ).

thf(f39,definition,
    ( spl5_4
  <=> ( $true
      = ( sK0 @ sK3 ) ) ),
    introduced(definition,[new_symbols(naming,[spl5_4])],[avatar_definition]) ).

thf(f44,definition,
    ( spl5_5
  <=> ( $true
      = ( sK1 @ sK3 ) ) ),
    introduced(definition,[new_symbols(naming,[spl5_5])],[avatar_definition]) ).

thf(f58,plain,
    ( ( $true
      = ( sK2 @ sK3 ) )
    | ( $true
      = ( sK0 @ sK3 ) )
    | ~ spl5_5 ),
    inference(trivial_inequality_removal,[status(thm)],[f57]) ).

thf(f57,plain,
    ( ( $true != $true )
    | ( $true
      = ( sK0 @ sK3 ) )
    | ( $true
      = ( sK2 @ sK3 ) )
    | ~ spl5_5 ),
    inference(superposition,[status(thm)],[f14,f46]) ).

thf(f46,plain,
    ( ( $true
      = ( sK1 @ sK3 ) )
    | ~ spl5_5 ),
    inference(avatar_component_clause,[status(thm)],[f44]) ).

thf(f56,plain,
    ( ~ spl5_4
    | ~ spl5_3 ),
    inference(avatar_split_clause,[status(thm)],[f23,f34,f39]) ).

thf(f23,plain,
    ( ( $true
     != ( sK0 @ sK4 ) )
    | ( $true
     != ( sK0 @ sK3 ) ) ),
    inference(cnf_transformation,[status(thm)],[f13]) ).

thf(f55,plain,
    ( spl5_5
    | spl5_6 ),
    inference(avatar_split_clause,[status(thm)],[f16,f49,f44]) ).

thf(f16,plain,
    ( ( $true
      = ( sK1 @ sK4 ) )
    | ( $true
      = ( sK1 @ sK3 ) ) ),
    inference(cnf_transformation,[status(thm)],[f13]) ).

thf(f54,plain,
    ( ~ spl5_1
    | spl5_5 ),
    inference(avatar_split_clause,[status(thm)],[f15,f44,f25]) ).

thf(f15,plain,
    ( ( $true
     != ( sK2 @ sK4 ) )
    | ( $true
      = ( sK1 @ sK3 ) ) ),
    inference(cnf_transformation,[status(thm)],[f13]) ).

thf(f53,plain,
    ( spl5_6
    | ~ spl5_2 ),
    inference(avatar_split_clause,[status(thm)],[f19,f29,f49]) ).

thf(f19,plain,
    ( ( $true
     != ( sK2 @ sK3 ) )
    | ( $true
      = ( sK1 @ sK4 ) ) ),
    inference(cnf_transformation,[status(thm)],[f13]) ).

thf(f52,plain,
    ( ~ spl5_4
    | spl5_6 ),
    inference(avatar_split_clause,[status(thm)],[f22,f49,f39]) ).

thf(f22,plain,
    ( ( $true
      = ( sK1 @ sK4 ) )
    | ( $true
     != ( sK0 @ sK3 ) ) ),
    inference(cnf_transformation,[status(thm)],[f13]) ).

thf(f47,plain,
    ( spl5_5
    | ~ spl5_3 ),
    inference(avatar_split_clause,[status(thm)],[f17,f34,f44]) ).

thf(f17,plain,
    ( ( $true
      = ( sK1 @ sK3 ) )
    | ( $true
     != ( sK0 @ sK4 ) ) ),
    inference(cnf_transformation,[status(thm)],[f13]) ).

thf(f42,plain,
    ( ~ spl5_4
    | ~ spl5_1 ),
    inference(avatar_split_clause,[status(thm)],[f21,f25,f39]) ).

thf(f21,plain,
    ( ( $true
     != ( sK2 @ sK4 ) )
    | ( $true
     != ( sK0 @ sK3 ) ) ),
    inference(cnf_transformation,[status(thm)],[f13]) ).

thf(f37,plain,
    ( ~ spl5_2
    | ~ spl5_3 ),
    inference(avatar_split_clause,[status(thm)],[f20,f34,f29]) ).

thf(f20,plain,
    ( ( $true
     != ( sK0 @ sK4 ) )
    | ( $true
     != ( sK2 @ sK3 ) ) ),
    inference(cnf_transformation,[status(thm)],[f13]) ).

thf(f32,plain,
    ( ~ spl5_1
    | ~ spl5_2 ),
    inference(avatar_split_clause,[status(thm)],[f18,f29,f25]) ).

thf(f18,plain,
    ( ( $true
     != ( sK2 @ sK4 ) )
    | ( $true
     != ( sK2 @ sK3 ) ) ),
    inference(cnf_transformation,[status(thm)],[f13]) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.11  % Problem  : SET593^5 : TPTP v9.2.1. Released v4.0.0.
% 0.12/0.13  % Command  : /export/starexec/sandbox/solver/bin/run_DT2H2X /export/starexec/sandbox/benchmark/theBenchmark.p 300
% 0.16/0.33  % Computer : n006.cluster.edu
% 0.16/0.33  % Model    : x86_64 x86_64
% 0.16/0.33  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.16/0.33  % Memory   : 8042.1875MB
% 0.16/0.33  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.16/0.33  % CPULimit : 300
% 0.16/0.33  % WCLimit  : 300
% 0.16/0.33  % DateTime : Tue Feb 24 11:59:45 EST 2026
% 0.16/0.34  % CPUTime  : 
% 0.16/0.34  Running /export/starexec/sandbox/solver/bin/run_DT2H2X /export/starexec/sandbox/benchmark/theBenchmark.p 300
% 0.18/0.45  ---- Original DTF file ---
% 0.18/0.45  thf(spec,logic,$$dhol).
% 0.18/0.45  %------------------------------------------------------------------------------
% 0.18/0.45  % File     : SET593^5 : TPTP v9.2.1. Released v4.0.0.
% 0.18/0.45  % Domain   : Set Theory
% 0.18/0.45  % Problem  : TPS problem BOOL-PROP-52
% 0.18/0.45  % Version  : Especial.
% 0.18/0.45  % English  : Trybulec's 52nd Boolean property of sets
% 0.18/0.45  
% 0.18/0.45  % Refs     : [TS89]  Trybulec & Swieczkowska (1989), Boolean Properties of
% 0.18/0.45  %          : [Bro09] Brown (2009), Email to Geoff Sutcliffe
% 0.18/0.45  % Source   : [Bro09]
% 0.18/0.45  % Names    : tps_0264 [Bro09]
% 0.18/0.45  %          : BOOL-PROP-52 [TPS]
% 0.18/0.45  
% 0.18/0.45  % Status   : Theorem
% 0.18/0.45  % Rating   : 0.08 v9.1.0, 0.12 v9.0.0, 0.08 v8.2.0, 0.09 v8.1.0, 0.08 v7.4.0, 0.11 v7.3.0, 0.10 v7.2.0, 0.12 v7.1.0, 0.14 v7.0.0, 0.12 v6.4.0, 0.14 v6.3.0, 0.17 v6.2.0, 0.00 v5.3.0, 0.25 v5.2.0, 0.00 v4.0.0
% 0.18/0.45  % Syntax   : Number of formulae    :    2 (   0 unt;   1 typ;   0 def)
% 0.18/0.45  %            Number of atoms       :    0 (   0 equ;   0 cnn)
% 0.18/0.45  %            Maximal formula atoms :    0 (   0 avg)
% 0.18/0.45  %            Number of connectives :   19 (   2   ~;   1   |;   3   &;   9   @)
% 0.18/0.45  %                                         (   0 <=>;   4  =>;   0  <=;   0 <~>)
% 0.18/0.45  %            Maximal formula depth :   11 (  11 avg)
% 0.18/0.45  %            Number of types       :    2 (   1 usr)
% 0.18/0.45  %            Number of type conns  :    3 (   3   >;   0   *;   0   +;   0  <<)
% 0.18/0.45  %            Number of symbols     :    0 (   0 usr;   0 con; --- aty)
% 0.18/0.45  %            Number of variables   :    6 (   0   ^;   6   !;   0   ?;   6   :)
% 0.18/0.45  % SPC      : TH0_THM_NEQ_NAR
% 0.18/0.45  
% 0.18/0.45  % Comments : This problem is from the TPS library. Copyright (c) 2009 The TPS
% 0.18/0.45  %            project in the Department of Mathematical Sciences at Carnegie
% 0.18/0.45  %            Mellon University. Distributed under the Creative Commons copyleft
% 0.18/0.45  %            license: http://creativecommons.org/licenses/by-sa/3.0/
% 0.18/0.45  %          : Polymorphic definitions expanded.
% 0.18/0.45  %------------------------------------------------------------------------------
% 0.18/0.45  thf(a_type,type,
% 0.18/0.45      a: $tType ).
% 0.18/0.45  
% 0.18/0.45  thf(cBOOL_PROP_52_pme,conjecture,
% 0.18/0.45      ! [X: a > $o,Y: a > $o,Z: a > $o] :
% 0.18/0.45        ( ! [Xx: a] :
% 0.18/0.45            ( ( X @ Xx )
% 0.18/0.45           => ( ( Y @ Xx )
% 0.18/0.45              | ( Z @ Xx ) ) )
% 0.18/0.45       => ( ! [Xx: a] :
% 0.18/0.45              ( ( ( X @ Xx )
% 0.18/0.45                & ~ ( Y @ Xx ) )
% 0.18/0.45             => ( Z @ Xx ) )
% 0.18/0.45          & ! [Xx: a] :
% 0.18/0.45              ( ( ( X @ Xx )
% 0.18/0.45                & ~ ( Z @ Xx ) )
% 0.18/0.45             => ( Y @ Xx ) ) ) ) ).
% 0.18/0.45  
% 0.18/0.45  %------------------------------------------------------------------------------
% 0.18/0.45  ------------------------
% 1.47/1.23  ---- Embedded in THF ---
% 1.47/1.24  %%% This output was generated by embedproblem, version 1.9.5 (library version 1.9).
% 1.47/1.24  %%% Generated on Tue Feb 24 11:59:46 EST 2026
% 1.47/1.24  %%% using '$$dhol' embedding, version 1.3.0.
% 1.47/1.24  %%% Logic specification used:
% 1.47/1.24  %%% thf(spec, logic, $$dhol).
% 1.47/1.24  
% 1.47/1.24  % SZS output start ListOfTHF for /export/starexec/sandbox/tmp/tmp.a7u7xHexrg/DTF2DTF19248.p
% See solution above
% 1.47/1.24  ------------------------
% 1.47/1.24  ---- Cleaned THF ---
% 1.47/1.25  thf(a_type,type,
% 1.47/1.25      a: $tType ).
% 1.47/1.25  
% 1.47/1.25  thf(cBOOL_PROP_52_pme,conjecture,
% 1.47/1.25      ! [X: a > $o,Y: a > $o,Z: a > $o] :
% 1.47/1.25        ( ! [Xx: a] :
% 1.47/1.25            ( ( X @ Xx )
% 1.47/1.25           => ( ( Y @ Xx )
% 1.47/1.25              | ( Z @ Xx ) ) )
% 1.47/1.25       => ( ! [Xx: a] :
% 1.47/1.25              ( ( ( X @ Xx )
% 1.47/1.25                & ~ ( Y @ Xx ) )
% 1.47/1.25             => ( Z @ Xx ) )
% 1.47/1.25          & ! [Xx: a] :
% 1.47/1.25              ( ( ( X @ Xx )
% 1.47/1.25                & ~ ( Z @ Xx ) )
% 1.47/1.25             => ( Y @ Xx ) ) ) ) ).
% 1.47/1.25  ------------------------
% 1.47/1.26  % (19576)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_19248 for (2999ds/4Mi)
% 1.47/1.26  % (19577)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_19248 for (2999ds/27Mi)
% 1.47/1.26  % (19577)First to succeed.
% 1.47/1.26  % (19576)Instruction limit reached!
% 1.47/1.26  % (19576)------------------------------
% 1.47/1.26  % (19576)Version: Vampire 4.8 (commit 7b44b1c2f on 2025-07-15 09:50:17 +0100)
% 1.47/1.26  % (19576)Termination reason: Unknown
% 1.47/1.26  % (19576)Termination phase: Saturation
% 1.47/1.26  
% 1.47/1.26  % (19576)Memory used [KB]: 5500
% 1.47/1.26  % (19576)Time elapsed: 0.004 s
% 1.47/1.26  % (19576)Instructions burned: 6 (million)
% 1.47/1.26  % (19576)------------------------------
% 1.47/1.26  % (19576)------------------------------
% 1.47/1.26  % (19577)Refutation found. Thanks to Tanya!
% 1.47/1.26  % SZS status Theorem for DTF2THF_19248
% 1.47/1.26  % SZS output start Proof for DTF2THF_19248
% 1.47/1.26  thf(type_def_5, type, a: $tType).
% 1.47/1.26  thf(func_def_0, type, a: $tType).
% 1.47/1.26  thf(func_def_2, type, vEPSILON: !>[X0: $tType]:((X0 > $o) > X0)).
% 1.47/1.26  thf(func_def_5, type, sK0: a > $o).
% 1.47/1.26  thf(func_def_6, type, sK1: a > $o).
% 1.47/1.26  thf(func_def_7, type, sK2: a > $o).
% 1.47/1.26  thf(func_def_8, type, sK3: a).
% 1.47/1.26  thf(func_def_9, type, sK4: a).
% 1.47/1.26  thf(f63,plain,(
% 1.47/1.26    $false),
% 1.47/1.26    inference(avatar_sat_refutation,[status(thm)],[f32,f37,f42,f47,f52,f53,f54,f55,f56,f59,f62])).
% 1.47/1.26  thf(f62,plain,(
% 1.47/1.26    spl5_3 | spl5_1 | ~spl5_6),
% 1.47/1.26    inference(avatar_split_clause,[status(thm)],[f61,f49,f25,f34])).
% 1.47/1.26  thf(f34,definition,(
% 1.47/1.26    spl5_3 <=> ($true = (sK0 @ sK4))),
% 1.47/1.26    introduced(definition,[new_symbols(naming,[spl5_3])],[avatar_definition])).
% 1.47/1.26  thf(f25,definition,(
% 1.47/1.26    spl5_1 <=> ($true = (sK2 @ sK4))),
% 1.47/1.26    introduced(definition,[new_symbols(naming,[spl5_1])],[avatar_definition])).
% 1.47/1.26  thf(f49,definition,(
% 1.47/1.26    spl5_6 <=> ($true = (sK1 @ sK4))),
% 1.47/1.26    introduced(definition,[new_symbols(naming,[spl5_6])],[avatar_definition])).
% 1.47/1.26  thf(f61,plain,(
% 1.47/1.26    ($true = (sK0 @ sK4)) | ($true = (sK2 @ sK4)) | ~spl5_6),
% 1.47/1.26    inference(trivial_inequality_removal,[status(thm)],[f60])).
% 1.47/1.26  thf(f60,plain,(
% 1.47/1.26    ($true = (sK2 @ sK4)) | ($true != $true) | ($true = (sK0 @ sK4)) | ~spl5_6),
% 1.47/1.26    inference(superposition,[status(thm)],[f14,f51])).
% 1.47/1.26  thf(f51,plain,(
% 1.47/1.26    ($true = (sK1 @ sK4)) | ~spl5_6),
% 1.47/1.26    inference(avatar_component_clause,[status(thm)],[f49])).
% 1.47/1.26  thf(f14,plain,(
% 1.47/1.26    ( ! [X5 : a] : (($true != (sK1 @ X5)) | ($true = (sK0 @ X5)) | ($true = (sK2 @ X5))) )),
% 1.47/1.26    inference(cnf_transformation,[status(thm)],[f13])).
% 1.47/1.26  thf(f13,plain,(
% 1.47/1.26    ((($true != (sK0 @ sK3)) & ($true != (sK2 @ sK3)) & ($true = (sK1 @ sK3))) | (($true != (sK0 @ sK4)) & ($true = (sK1 @ sK4)) & ($true != (sK2 @ sK4)))) & ! [X5 : a] : (($true = (sK0 @ X5)) | ($true = (sK2 @ X5)) | ($true != (sK1 @ X5)))),
% 1.47/1.26    inference(skolemisation,[status(esa),new_symbols(skolem,[sK0,sK1,sK2,sK3,sK4])],[f9,f12,f11,f10])).
% 1.47/1.26  thf(f10,plain,(
% 1.47/1.26    ? [X0 : a > $o,X1 : a > $o,X2 : a > $o] : ((? [X3 : a] : (((X0 @ X3) != $true) & ((X2 @ X3) != $true) & ((X1 @ X3) = $true)) | ? [X4 : a] : (($true != (X0 @ X4)) & ($true = (X1 @ X4)) & ($true != (X2 @ X4)))) & ! [X5 : a] : (($true = (X0 @ X5)) | ($true = (X2 @ X5)) | ($true != (X1 @ X5)))) => ((? [X3 : a] : (($true != (sK0 @ X3)) & ((sK2 @ X3) != $true) & ($true = (sK1 @ X3))) | ? [X4 : a] : (($true != (sK0 @ X4)) & ($true = (sK1 @ X4)) & ($true != (sK2 @ X4)))) & ! [X5 : a] : (($true = (sK0 @ X5)) | ($true = (sK2 @ X5)) | ($true != (sK1 @ X5))))),
% 1.47/1.26    introduced(definition,[],[choice_axiom])).
% 1.47/1.26  thf(f11,plain,(
% 1.47/1.26    ? [X3 : a] : (($true != (sK0 @ X3)) & ((sK2 @ X3) != $true) & ($true = (sK1 @ X3))) => (($true != (sK0 @ sK3)) & ($true != (sK2 @ sK3)) & ($true = (sK1 @ sK3)))),
% 1.47/1.26    introduced(definition,[],[choice_axiom])).
% 1.47/1.26  thf(f12,plain,(
% 1.47/1.26    ? [X4 : a] : (($true != (sK0 @ X4)) & ($true = (sK1 @ X4)) & ($true != (sK2 @ X4))) => (($true != (sK0 @ sK4)) & ($true = (sK1 @ sK4)) & ($true != (sK2 @ sK4)))),
% 1.47/1.26    introduced(definition,[],[choice_axiom])).
% 1.47/1.26  thf(f9,plain,(
% 1.47/1.26    ? [X0 : a > $o,X1 : a > $o,X2 : a > $o] : ((? [X3 : a] : (((X0 @ X3) != $true) & ((X2 @ X3) != $true) & ((X1 @ X3) = $true)) | ? [X4 : a] : (($true != (X0 @ X4)) & ($true = (X1 @ X4)) & ($true != (X2 @ X4)))) & ! [X5 : a] : (($true = (X0 @ X5)) | ($true = (X2 @ X5)) | ($true != (X1 @ X5))))),
% 1.47/1.26    inference(rectify,[status(thm)],[f8])).
% 1.47/1.26  thf(f8,plain,(
% 1.47/1.26    ? [X1 : a > $o,X0 : a > $o,X2 : a > $o] : ((? [X4 : a] : (($true != (X1 @ X4)) & ($true != (X2 @ X4)) & ($true = (X0 @ X4))) | ? [X5 : a] : (($true != (X1 @ X5)) & ($true = (X0 @ X5)) & ($true != (X2 @ X5)))) & ! [X3 : a] : (((X1 @ X3) = $true) | ((X2 @ X3) = $true) | ((X0 @ X3) != $true)))),
% 1.47/1.26    inference(flattening,[status(thm)],[f7])).
% 1.47/1.26  thf(f7,plain,(
% 1.47/1.26    ? [X1 : a > $o,X0 : a > $o,X2 : a > $o] : ((? [X4 : a] : (($true != (X2 @ X4)) & (($true != (X1 @ X4)) & ($true = (X0 @ X4)))) | ? [X5 : a] : (($true != (X1 @ X5)) & (($true = (X0 @ X5)) & ($true != (X2 @ X5))))) & ! [X3 : a] : ((((X1 @ X3) = $true) | ((X2 @ X3) = $true)) | ((X0 @ X3) != $true)))),
% 1.47/1.26    inference(ennf_transformation,[status(thm)],[f6])).
% 1.47/1.26  thf(f6,plain,(
% 1.47/1.26    ~! [X1 : a > $o,X0 : a > $o,X2 : a > $o] : (! [X3 : a] : (((X0 @ X3) = $true) => (((X1 @ X3) = $true) | ((X2 @ X3) = $true))) => (! [X4 : a] : ((($true != (X1 @ X4)) & ($true = (X0 @ X4))) => ($true = (X2 @ X4))) & ! [X5 : a] : ((($true = (X0 @ X5)) & ($true != (X2 @ X5))) => ($true = (X1 @ X5)))))),
% 1.47/1.26    inference(flattening,[status(thm)],[f5])).
% 1.47/1.26  thf(f5,plain,(
% 1.47/1.26    ~! [X0 : a > $o,X1 : a > $o,X2 : a > $o] : (! [X3 : a] : (((X0 @ X3) = $true) => (((X1 @ X3) = $true) | ((X2 @ X3) = $true))) => (! [X4 : a] : ((($true = (X0 @ X4)) & ~($true = (X1 @ X4))) => ($true = (X2 @ X4))) & ! [X5 : a] : ((($true = (X0 @ X5)) & ~($true = (X2 @ X5))) => ($true = (X1 @ X5)))))),
% 1.47/1.26    inference(fool_elimination,[status(thm)],[f4])).
% 1.47/1.26  thf(f4,plain,(
% 1.47/1.26    ~! [X0 : a > $o,X1 : a > $o,X2 : a > $o] : (! [X3 : a] : ((X0 @ X3) => ((X1 @ X3) | (X2 @ X3))) => (! [X4 : a] : (((X0 @ X4) & ~(X1 @ X4)) => (X2 @ X4)) & ! [X5 : a] : (((X0 @ X5) & ~(X2 @ X5)) => (X1 @ X5))))),
% 1.47/1.26    inference(rectify,[status(thm)],[f2])).
% 1.47/1.26  thf(f2,negated_conjecture,(
% 1.47/1.26    ~! [X0 : a > $o,X1 : a > $o,X2 : a > $o] : (! [X3 : a] : ((X0 @ X3) => ((X1 @ X3) | (X2 @ X3))) => (! [X3 : a] : (((X0 @ X3) & ~(X1 @ X3)) => (X2 @ X3)) & ! [X3 : a] : (((X0 @ X3) & ~(X2 @ X3)) => (X1 @ X3))))),
% 1.47/1.26    inference(negated_conjecture,[status(cth)],[f1])).
% 1.47/1.26  thf(f1,conjecture,(
% 1.47/1.26    ! [X0 : a > $o,X1 : a > $o,X2 : a > $o] : (! [X3 : a] : ((X0 @ X3) => ((X1 @ X3) | (X2 @ X3))) => (! [X3 : a] : (((X0 @ X3) & ~(X1 @ X3)) => (X2 @ X3)) & ! [X3 : a] : (((X0 @ X3) & ~(X2 @ X3)) => (X1 @ X3))))),
% 1.47/1.26    file('/export/starexec/sandbox/tmp/tmp.a7u7xHexrg/DTF2THF_19248.p',cBOOL_PROP_52_pme)).
% 1.47/1.26  thf(f59,plain,(
% 1.47/1.26    spl5_2 | spl5_4 | ~spl5_5),
% 1.47/1.26    inference(avatar_split_clause,[status(thm)],[f58,f44,f39,f29])).
% 1.47/1.26  thf(f29,definition,(
% 1.47/1.26    spl5_2 <=> ($true = (sK2 @ sK3))),
% 1.47/1.26    introduced(definition,[new_symbols(naming,[spl5_2])],[avatar_definition])).
% 1.47/1.26  thf(f39,definition,(
% 1.47/1.26    spl5_4 <=> ($true = (sK0 @ sK3))),
% 1.47/1.26    introduced(definition,[new_symbols(naming,[spl5_4])],[avatar_definition])).
% 1.47/1.26  thf(f44,definition,(
% 1.47/1.26    spl5_5 <=> ($true = (sK1 @ sK3))),
% 1.47/1.26    introduced(definition,[new_symbols(naming,[spl5_5])],[avatar_definition])).
% 1.47/1.26  thf(f58,plain,(
% 1.47/1.26    ($true = (sK2 @ sK3)) | ($true = (sK0 @ sK3)) | ~spl5_5),
% 1.47/1.26    inference(trivial_inequality_removal,[status(thm)],[f57])).
% 1.47/1.26  thf(f57,plain,(
% 1.47/1.26    ($true != $true) | ($true = (sK0 @ sK3)) | ($true = (sK2 @ sK3)) | ~spl5_5),
% 1.47/1.26    inference(superposition,[status(thm)],[f14,f46])).
% 1.47/1.26  thf(f46,plain,(
% 1.47/1.26    ($true = (sK1 @ sK3)) | ~spl5_5),
% 1.47/1.26    inference(avatar_component_clause,[status(thm)],[f44])).
% 1.47/1.26  thf(f56,plain,(
% 1.47/1.26    ~spl5_4 | ~spl5_3),
% 1.47/1.26    inference(avatar_split_clause,[status(thm)],[f23,f34,f39])).
% 1.47/1.26  thf(f23,plain,(
% 1.47/1.26    ($true != (sK0 @ sK4)) | ($true != (sK0 @ sK3))),
% 1.47/1.26    inference(cnf_transformation,[status(thm)],[f13])).
% 1.47/1.26  thf(f55,plain,(
% 1.47/1.26    spl5_5 | spl5_6),
% 1.47/1.26    inference(avatar_split_clause,[status(thm)],[f16,f49,f44])).
% 1.47/1.26  thf(f16,plain,(
% 1.47/1.26    ($true = (sK1 @ sK4)) | ($true = (sK1 @ sK3))),
% 1.47/1.26    inference(cnf_transformation,[status(thm)],[f13])).
% 1.47/1.26  thf(f54,plain,(
% 1.47/1.26    ~spl5_1 | spl5_5),
% 1.47/1.26    inference(avatar_split_clause,[status(thm)],[f15,f44,f25])).
% 1.47/1.26  thf(f15,plain,(
% 1.47/1.26    ($true != (sK2 @ sK4)) | ($true = (sK1 @ sK3))),
% 1.47/1.26    inference(cnf_transformation,[status(thm)],[f13])).
% 1.47/1.26  thf(f53,plain,(
% 1.47/1.26    spl5_6 | ~spl5_2),
% 1.47/1.26    inference(avatar_split_clause,[status(thm)],[f19,f29,f49])).
% 1.47/1.26  thf(f19,plain,(
% 1.47/1.26    ($true != (sK2 @ sK3)) | ($true = (sK1 @ sK4))),
% 1.47/1.26    inference(cnf_transformation,[status(thm)],[f13])).
% 1.47/1.26  thf(f52,plain,(
% 1.47/1.26    ~spl5_4 | spl5_6),
% 1.47/1.26    inference(avatar_split_clause,[status(thm)],[f22,f49,f39])).
% 1.47/1.26  thf(f22,plain,(
% 1.47/1.26    ($true = (sK1 @ sK4)) | ($true != (sK0 @ sK3))),
% 1.47/1.26    inference(cnf_transformation,[status(thm)],[f13])).
% 1.47/1.26  thf(f47,plain,(
% 1.47/1.26    spl5_5 | ~spl5_3),
% 1.47/1.26    inference(avatar_split_clause,[status(thm)],[f17,f34,f44])).
% 1.47/1.26  thf(f17,plain,(
% 1.47/1.26    ($true = (sK1 @ sK3)) | ($true != (sK0 @ sK4))),
% 1.47/1.26    inference(cnf_transformation,[status(thm)],[f13])).
% 1.47/1.26  thf(f42,plain,(
% 1.47/1.26    ~spl5_4 | ~spl5_1),
% 1.47/1.26    inference(avatar_split_clause,[status(thm)],[f21,f25,f39])).
% 1.47/1.26  thf(f21,plain,(
% 1.47/1.26    ($true != (sK2 @ sK4)) | ($true != (sK0 @ sK3))),
% 1.47/1.26    inference(cnf_transformation,[status(thm)],[f13])).
% 1.47/1.26  thf(f37,plain,(
% 1.47/1.26    ~spl5_2 | ~spl5_3),
% 1.47/1.26    inference(avatar_split_clause,[status(thm)],[f20,f34,f29])).
% 1.47/1.26  thf(f20,plain,(
% 1.47/1.26    ($true != (sK0 @ sK4)) | ($true != (sK2 @ sK3))),
% 1.47/1.26    inference(cnf_transformation,[status(thm)],[f13])).
% 1.47/1.26  thf(f32,plain,(
% 1.47/1.26    ~spl5_1 | ~spl5_2),
% 1.47/1.26    inference(avatar_split_clause,[status(thm)],[f18,f29,f25])).
% 1.47/1.26  thf(f18,plain,(
% 1.47/1.26    ($true != (sK2 @ sK4)) | ($true != (sK2 @ sK3))),
% 1.47/1.26    inference(cnf_transformation,[status(thm)],[f13])).
% 1.47/1.26  % SZS output end Proof for DTF2THF_19248
% 1.47/1.26  % (19577)------------------------------
% 1.47/1.26  % (19577)Version: Vampire 4.8 (commit 7b44b1c2f on 2025-07-15 09:50:17 +0100)
% 1.47/1.26  % (19577)Termination reason: Refutation
% 1.47/1.26  
% 1.47/1.26  % (19577)Memory used [KB]: 5500
% 1.47/1.26  % (19577)Time elapsed: 0.003 s
% 1.47/1.26  % (19577)Instructions burned: 2 (million)
% 1.47/1.26  % (19577)------------------------------
% 1.47/1.26  % (19577)------------------------------
% 1.47/1.26  % (19574)Success in time 0.014 s
%------------------------------------------------------------------------------