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DT2H2X---1.9.5.THM-Ref.s

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%------------------------------------------------------------------------------
% File     : DT2H2X---1.9.5
% Problem  : SET600^5 : 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 : n021.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 09:31:52 AM UTC 2026

% Result   : Theorem 1.65s 1.48s
% Output   : Refutation 1.65s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   13
%            Number of leaves      :    5
% Syntax   : Number of formulae    :   57 (   1 unt;   0 typ;   3 def)
%            Number of atoms       :  344 (  94 equ;   0 cnn)
%            Maximal formula atoms :   12 (   6 avg)
%            Number of connectives :  304 (  77   ~; 119   |;  15   &;  84   @)
%                                         (   7 <=>;   1  =>;   0  <=;   1 <~>)
%            Maximal formula depth :    8 (   4 avg)
%            Number of types       :    2 (   1 usr)
%            Number of type conns  :   16 (  16   >;   0   *;   0   +;   0  <<)
%            Number of symbols     :   13 (  10 usr;   8 con; 0-2 aty)
%            Number of variables   :  115 (  89   ^;  18   !;   8   ?; 115   :)

% 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_8,type,
    sK0: a > $o ).

thf(func_def_9,type,
    sK1: a > $o ).

thf(func_def_11,type,
    ph3: 
      !>[X0: $tType] : X0 ).

thf(func_def_12,type,
    sK4: a ).

thf(func_def_13,type,
    sK5: a ).

thf(func_def_14,type,
    sK6: a ).

thf(f66,plain,
    $false,
    inference(avatar_sat_refutation,[status(thm)],[f22,f27,f28,f37,f42,f65]) ).

thf(f65,plain,
    ( ~ spl2_1
    | spl2_2
    | ~ spl2_3 ),
    inference(avatar_contradiction_clause,[status(thm)],[f64]) ).

thf(f64,plain,
    ( $false
    | ~ spl2_1
    | spl2_2
    | ~ spl2_3 ),
    inference(trivial_inequality_removal,[status(thm)],[f63]) ).

thf(f63,plain,
    ( ( $true = $false )
    | ~ spl2_1
    | spl2_2
    | ~ spl2_3 ),
    inference(forward_demodulation,[status(thm)],[f62,f44]) ).

thf(f44,plain,
    ( ! [X1: a] :
        ( ( sK0 @ X1 )
        = $false )
    | ~ spl2_1 ),
    inference(beta_eta_normalization,[status(thm)],[f43]) ).

thf(f43,plain,
    ( ! [X1: a] :
        ( ( ^ [Y0: a] : $false
          @ X1 )
        = ( sK0 @ X1 ) )
    | ~ spl2_1 ),
    inference(argument_congruence,[status(thm)],[f17]) ).

thf(f17,plain,
    ( ( sK0
      = ( ^ [Y0: a] : $false ) )
    | ~ spl2_1 ),
    inference(avatar_component_clause,[status(thm)],[f15]) ).

thf(f15,definition,
    ( spl2_1
  <=> ( sK0
      = ( ^ [Y0: a] : $false ) ) ),
    introduced(definition,[new_symbols(naming,[spl2_1])],[avatar_definition]) ).

thf(f62,plain,
    ( ( ( sK0 @ sK6 )
      = $true )
    | ~ spl2_1
    | spl2_2
    | ~ spl2_3 ),
    inference(trivial_inequality_removal,[status(thm)],[f61]) ).

thf(f61,plain,
    ( ( $true = $false )
    | ( ( sK0 @ sK6 )
      = $true )
    | ~ spl2_1
    | spl2_2
    | ~ spl2_3 ),
    inference(forward_demodulation,[status(thm)],[f60,f50]) ).

thf(f50,plain,
    ( ! [X1: a] :
        ( ( sK1 @ X1 )
        = $false )
    | ~ spl2_1
    | ~ spl2_3 ),
    inference(trivial_inequality_removal,[status(thm)],[f49]) ).

thf(f49,plain,
    ( ! [X1: a] :
        ( ( ( sK1 @ X1 )
          = $false )
        | ( $true = $false ) )
    | ~ spl2_1
    | ~ spl2_3 ),
    inference(forward_demodulation,[status(thm)],[f48,f44]) ).

thf(f48,plain,
    ( ! [X1: a] :
        ( ( ( sK1 @ X1 )
          = $false )
        | ( $true
          = ( sK0 @ X1 ) ) )
    | ~ spl2_1
    | ~ spl2_3 ),
    inference(binary_proxy_clausification,[status(thm)],[f46]) ).

thf(f46,plain,
    ( ! [X1: a] :
        ( ( sK1 @ X1 )
        = ( sK0 @ X1 ) )
    | ~ spl2_1
    | ~ spl2_3 ),
    inference(argument_congruence,[status(thm)],[f45]) ).

thf(f45,plain,
    ( ( sK0 = sK1 )
    | ~ spl2_1
    | ~ spl2_3 ),
    inference(forward_demodulation,[status(thm)],[f25,f17]) ).

thf(f25,plain,
    ( ( ( ^ [Y0: a] : $false )
      = sK1 )
    | ~ spl2_3 ),
    inference(avatar_component_clause,[status(thm)],[f24]) ).

thf(f24,definition,
    ( spl2_3
  <=> ( ( ^ [Y0: a] : $false )
      = sK1 ) ),
    introduced(definition,[new_symbols(naming,[spl2_3])],[avatar_definition]) ).

thf(f60,plain,
    ( ( ( sK1 @ sK6 )
      = $true )
    | ( ( sK0 @ sK6 )
      = $true )
    | ~ spl2_1
    | spl2_2 ),
    inference(duplicate_literal_removal,[status(thm)],[f59]) ).

thf(f59,plain,
    ( ( ( sK1 @ sK6 )
      = $true )
    | ( ( sK0 @ sK6 )
      = $true )
    | ( ( sK0 @ sK6 )
      = $true )
    | ~ spl2_1
    | spl2_2 ),
    inference(binary_proxy_clausification,[status(thm)],[f54]) ).

thf(f54,plain,
    ( ( ( sK0 @ sK6 )
      = $true )
    | ( ( ( sK1 @ sK6 )
        | ( sK0 @ sK6 ) )
      = $true )
    | ~ spl2_1
    | spl2_2 ),
    inference(binary_proxy_clausification,[status(thm)],[f53]) ).

thf(f53,plain,
    ( ( ( sK0 @ sK6 )
     != ( ( sK1 @ sK6 )
        | ( sK0 @ sK6 ) ) )
    | ~ spl2_1
    | spl2_2 ),
    inference(beta_eta_normalization,[status(thm)],[f52]) ).

thf(f52,plain,
    ( ( ( sK0 @ sK6 )
     != ( ^ [Y0: a] :
            ( ( sK1 @ Y0 )
            | ( sK0 @ Y0 ) )
        @ sK6 ) )
    | ~ spl2_1
    | spl2_2 ),
    inference(negative_extensionality,[status(thm)],[f51]) ).

thf(f51,plain,
    ( ( sK0
     != ( ^ [Y0: a] :
            ( ( sK1 @ Y0 )
            | ( sK0 @ Y0 ) ) ) )
    | ~ spl2_1
    | spl2_2 ),
    inference(forward_demodulation,[status(thm)],[f20,f17]) ).

thf(f20,plain,
    ( ( ( ^ [Y0: a] :
            ( ( sK1 @ Y0 )
            | ( sK0 @ Y0 ) ) )
     != ( ^ [Y0: a] : $false ) )
    | spl2_2 ),
    inference(avatar_component_clause,[status(thm)],[f19]) ).

thf(f19,definition,
    ( spl2_2
  <=> ( ( ^ [Y0: a] :
            ( ( sK1 @ Y0 )
            | ( sK0 @ Y0 ) ) )
      = ( ^ [Y0: a] : $false ) ) ),
    introduced(definition,[new_symbols(naming,[spl2_2])],[avatar_definition]) ).

thf(f42,plain,
    ( spl2_1
    | ~ spl2_2 ),
    inference(avatar_contradiction_clause,[status(thm)],[f41]) ).

thf(f41,plain,
    ( $false
    | spl2_1
    | ~ spl2_2 ),
    inference(trivial_inequality_removal,[status(thm)],[f40]) ).

thf(f40,plain,
    ( ( $false != $false )
    | spl2_1
    | ~ spl2_2 ),
    inference(superposition,[status(thm)],[f39,f33]) ).

thf(f33,plain,
    ( ! [X1: a] :
        ( ( sK0 @ X1 )
        = $false )
    | ~ spl2_2 ),
    inference(binary_proxy_clausification,[status(thm)],[f32]) ).

thf(f32,plain,
    ( ! [X1: a] :
        ( ( ( sK1 @ X1 )
          | ( sK0 @ X1 ) )
        = $false )
    | ~ spl2_2 ),
    inference(beta_eta_normalization,[status(thm)],[f31]) ).

thf(f31,plain,
    ( ! [X1: a] :
        ( ( ^ [Y0: a] :
              ( ( sK1 @ Y0 )
              | ( sK0 @ Y0 ) )
          @ X1 )
        = ( ^ [Y0: a] : $false
          @ X1 ) )
    | ~ spl2_2 ),
    inference(argument_congruence,[status(thm)],[f21]) ).

thf(f21,plain,
    ( ( ( ^ [Y0: a] :
            ( ( sK1 @ Y0 )
            | ( sK0 @ Y0 ) ) )
      = ( ^ [Y0: a] : $false ) )
    | ~ spl2_2 ),
    inference(avatar_component_clause,[status(thm)],[f19]) ).

thf(f39,plain,
    ( ( ( sK0 @ sK5 )
     != $false )
    | spl2_1 ),
    inference(beta_eta_normalization,[status(thm)],[f38]) ).

thf(f38,plain,
    ( ( ( sK0 @ sK5 )
     != ( ^ [Y0: a] : $false
        @ sK5 ) )
    | spl2_1 ),
    inference(negative_extensionality,[status(thm)],[f16]) ).

thf(f16,plain,
    ( ( sK0
     != ( ^ [Y0: a] : $false ) )
    | spl2_1 ),
    inference(avatar_component_clause,[status(thm)],[f15]) ).

thf(f37,plain,
    ( ~ spl2_2
    | spl2_3 ),
    inference(avatar_contradiction_clause,[status(thm)],[f36]) ).

thf(f36,plain,
    ( $false
    | ~ spl2_2
    | spl2_3 ),
    inference(trivial_inequality_removal,[status(thm)],[f35]) ).

thf(f35,plain,
    ( ( $false != $false )
    | ~ spl2_2
    | spl2_3 ),
    inference(superposition,[status(thm)],[f30,f34]) ).

thf(f34,plain,
    ( ! [X1: a] :
        ( ( sK1 @ X1 )
        = $false )
    | ~ spl2_2 ),
    inference(binary_proxy_clausification,[status(thm)],[f32]) ).

thf(f30,plain,
    ( ( ( sK1 @ sK4 )
     != $false )
    | spl2_3 ),
    inference(beta_eta_normalization,[status(thm)],[f29]) ).

thf(f29,plain,
    ( ( ( sK1 @ sK4 )
     != ( ^ [Y0: a] : $false
        @ sK4 ) )
    | spl2_3 ),
    inference(negative_extensionality,[status(thm)],[f26]) ).

thf(f26,plain,
    ( ( ( ^ [Y0: a] : $false )
     != sK1 )
    | spl2_3 ),
    inference(avatar_component_clause,[status(thm)],[f24]) ).

thf(f28,plain,
    ( spl2_3
    | spl2_2 ),
    inference(avatar_split_clause,[status(thm)],[f11,f19,f24]) ).

thf(f11,plain,
    ( ( ( ^ [Y0: a] :
            ( ( sK1 @ Y0 )
            | ( sK0 @ Y0 ) ) )
      = ( ^ [Y0: a] : $false ) )
    | ( ( ^ [Y0: a] : $false )
      = sK1 ) ),
    inference(cnf_transformation,[status(thm)],[f10]) ).

thf(f10,plain,
    ( ( ( sK0
       != ( ^ [Y0: a] : $false ) )
      | ( ( ^ [Y0: a] : $false )
       != sK1 )
      | ( ( ^ [Y0: a] :
              ( ( sK1 @ Y0 )
              | ( sK0 @ Y0 ) ) )
       != ( ^ [Y0: a] : $false ) ) )
    & ( ( ( sK0
          = ( ^ [Y0: a] : $false ) )
        & ( ( ^ [Y0: a] : $false )
          = sK1 ) )
      | ( ( ^ [Y0: a] :
              ( ( sK1 @ Y0 )
              | ( sK0 @ Y0 ) ) )
        = ( ^ [Y0: a] : $false ) ) ) ),
    inference(skolemisation,[status(esa),new_symbols(skolem,[sK0,sK1])],[f8,f9]) ).

thf(f9,plain,
    ( ? [X0: a > $o,X1: a > $o] :
        ( ( ( ( ^ [Y0: a] : $false )
           != X0 )
          | ( ( ^ [Y0: a] : $false )
           != X1 )
          | ( ( ^ [Y0: a] : $false )
           != ( ^ [Y0: a] :
                  ( ( X1 @ Y0 )
                  | ( X0 @ Y0 ) ) ) ) )
        & ( ( ( ( ^ [Y0: a] : $false )
              = X0 )
            & ( ( ^ [Y0: a] : $false )
              = X1 ) )
          | ( ( ^ [Y0: a] : $false )
            = ( ^ [Y0: a] :
                  ( ( X1 @ Y0 )
                  | ( X0 @ Y0 ) ) ) ) ) )
   => ( ( ( sK0
         != ( ^ [Y0: a] : $false ) )
        | ( ( ^ [Y0: a] : $false )
         != sK1 )
        | ( ( ^ [Y0: a] :
                ( ( sK1 @ Y0 )
                | ( sK0 @ Y0 ) ) )
         != ( ^ [Y0: a] : $false ) ) )
      & ( ( ( sK0
            = ( ^ [Y0: a] : $false ) )
          & ( ( ^ [Y0: a] : $false )
            = sK1 ) )
        | ( ( ^ [Y0: a] :
                ( ( sK1 @ Y0 )
                | ( sK0 @ Y0 ) ) )
          = ( ^ [Y0: a] : $false ) ) ) ) ),
    introduced(definition,[],[choice_axiom]) ).

thf(f8,plain,
    ? [X0: a > $o,X1: a > $o] :
      ( ( ( ( ^ [Y0: a] : $false )
         != X0 )
        | ( ( ^ [Y0: a] : $false )
         != X1 )
        | ( ( ^ [Y0: a] : $false )
         != ( ^ [Y0: a] :
                ( ( X1 @ Y0 )
                | ( X0 @ Y0 ) ) ) ) )
      & ( ( ( ( ^ [Y0: a] : $false )
            = X0 )
          & ( ( ^ [Y0: a] : $false )
            = X1 ) )
        | ( ( ^ [Y0: a] : $false )
          = ( ^ [Y0: a] :
                ( ( X1 @ Y0 )
                | ( X0 @ Y0 ) ) ) ) ) ),
    inference(flattening,[status(thm)],[f7]) ).

thf(f7,plain,
    ? [X0: a > $o,X1: a > $o] :
      ( ( ( ( ^ [Y0: a] : $false )
         != X0 )
        | ( ( ^ [Y0: a] : $false )
         != X1 )
        | ( ( ^ [Y0: a] : $false )
         != ( ^ [Y0: a] :
                ( ( X1 @ Y0 )
                | ( X0 @ Y0 ) ) ) ) )
      & ( ( ( ( ^ [Y0: a] : $false )
            = X0 )
          & ( ( ^ [Y0: a] : $false )
            = X1 ) )
        | ( ( ^ [Y0: a] : $false )
          = ( ^ [Y0: a] :
                ( ( X1 @ Y0 )
                | ( X0 @ Y0 ) ) ) ) ) ),
    inference(nnf_transformation,[status(thm)],[f6]) ).

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

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

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

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

thf(f1,conjecture,
    ! [X1: a > $o,X0: a > $o] :
      ( ( ( ( ^ [X3: a] : $false )
          = X0 )
        & ( X1
          = ( ^ [X3: a] : $false ) ) )
    <=> ( ( ^ [X2: a] :
              ( ( X1 @ X2 )
              | ( X0 @ X2 ) ) )
        = ( ^ [X3: a] : $false ) ) ),
    file('/export/starexec/sandbox/tmp/tmp.6clsEQKD9J/DTF2THF_24176.p',cBOOL_PROP_59_pme) ).

thf(f27,plain,
    ( ~ spl2_2
    | ~ spl2_3
    | ~ spl2_1 ),
    inference(avatar_split_clause,[status(thm)],[f13,f15,f24,f19]) ).

thf(f13,plain,
    ( ( ( ^ [Y0: a] :
            ( ( sK1 @ Y0 )
            | ( sK0 @ Y0 ) ) )
     != ( ^ [Y0: a] : $false ) )
    | ( sK0
     != ( ^ [Y0: a] : $false ) )
    | ( ( ^ [Y0: a] : $false )
     != sK1 ) ),
    inference(cnf_transformation,[status(thm)],[f10]) ).

thf(f22,plain,
    ( spl2_1
    | spl2_2 ),
    inference(avatar_split_clause,[status(thm)],[f12,f19,f15]) ).

thf(f12,plain,
    ( ( ( ^ [Y0: a] :
            ( ( sK1 @ Y0 )
            | ( sK0 @ Y0 ) ) )
      = ( ^ [Y0: a] : $false ) )
    | ( sK0
      = ( ^ [Y0: a] : $false ) ) ),
    inference(cnf_transformation,[status(thm)],[f10]) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.11  % Problem  : SET600^5 : TPTP v9.2.1. Released v4.0.0.
% 0.00/0.13  % Command  : /export/starexec/sandbox/solver/bin/run_DT2H2X /export/starexec/sandbox/benchmark/theBenchmark.p 300
% 0.16/0.33  % Computer : n021.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 12:00:09 EST 2026
% 0.16/0.33  % CPUTime  : 
% 0.16/0.33  Running /export/starexec/sandbox/solver/bin/run_DT2H2X /export/starexec/sandbox/benchmark/theBenchmark.p 300
% 0.19/0.46  ---- Original DTF file ---
% 0.19/0.47  thf(spec,logic,$$dhol).
% 0.19/0.47  %------------------------------------------------------------------------------
% 0.19/0.47  % File     : SET600^5 : TPTP v9.2.1. Released v4.0.0.
% 0.19/0.47  % Domain   : Set Theory
% 0.19/0.47  % Problem  : TPS problem BOOL-PROP-59
% 0.19/0.47  % Version  : Especial.
% 0.19/0.47  % English  : Trybulec's 59th Boolean property of sets
% 0.19/0.47  
% 0.19/0.47  % Refs     : [TS89]  Trybulec & Swieczkowska (1989), Boolean Properties of
% 0.19/0.47  %          : [Bro09] Brown (2009), Email to Geoff Sutcliffe
% 0.19/0.47  % Source   : [Bro09]
% 0.19/0.47  % Names    : tps_0475 [Bro09]
% 0.19/0.47  %          : BOOL-PROP-59 [TPS]
% 0.19/0.47  
% 0.19/0.47  % Status   : Theorem
% 0.19/0.47  % Rating   : 0.00 v8.2.0, 0.15 v8.1.0, 0.09 v7.5.0, 0.00 v7.4.0, 0.11 v7.2.0, 0.00 v7.1.0, 0.12 v7.0.0, 0.14 v6.4.0, 0.17 v6.3.0, 0.20 v6.2.0, 0.14 v5.5.0, 0.17 v5.4.0, 0.20 v4.1.0, 0.00 v4.0.1, 0.33 v4.0.0
% 0.19/0.47  % Syntax   : Number of formulae    :    2 (   0 unt;   1 typ;   0 def)
% 0.19/0.47  %            Number of atoms       :    6 (   3 equ;   0 cnn)
% 0.19/0.47  %            Maximal formula atoms :    3 (   6 avg)
% 0.19/0.47  %            Number of connectives :    5 (   0   ~;   1   |;   1   &;   2   @)
% 0.19/0.47  %                                         (   1 <=>;   0  =>;   0  <=;   0 <~>)
% 0.19/0.47  %            Maximal formula depth :    5 (   5 avg)
% 0.19/0.47  %            Number of types       :    2 (   1 usr)
% 0.19/0.47  %            Number of type conns  :    2 (   2   >;   0   *;   0   +;   0  <<)
% 0.19/0.47  %            Number of symbols     :    2 (   0 usr;   1 con; 0-2 aty)
% 0.19/0.47  %            Number of variables   :    6 (   4   ^;   2   !;   0   ?;   6   :)
% 0.19/0.47  % SPC      : TH0_THM_EQU_NAR
% 0.19/0.47  
% 0.19/0.47  % Comments : This problem is from the TPS library. Copyright (c) 2009 The TPS
% 0.19/0.47  %            project in the Department of Mathematical Sciences at Carnegie
% 0.19/0.47  %            Mellon University. Distributed under the Creative Commons copyleft
% 0.19/0.47  %            license: http://creativecommons.org/licenses/by-sa/3.0/
% 0.19/0.47  %          : Polymorphic definitions expanded.
% 0.19/0.47  %------------------------------------------------------------------------------
% 0.19/0.47  thf(a_type,type,
% 0.19/0.47      a: $tType ).
% 0.19/0.47  
% 0.19/0.47  thf(cBOOL_PROP_59_pme,conjecture,
% 0.19/0.47      ! [X: a > $o,Y: a > $o] :
% 0.19/0.47        ( ( ( ^ [Xz: a] :
% 0.19/0.47                ( ( X @ Xz )
% 0.19/0.47                | ( Y @ Xz ) ) )
% 0.19/0.47          = ( ^ [Xx: a] : $false ) )
% 0.19/0.47      <=> ( ( X
% 0.19/0.47            = ( ^ [Xx: a] : $false ) )
% 0.19/0.47          & ( Y
% 0.19/0.47            = ( ^ [Xx: a] : $false ) ) ) ) ).
% 0.19/0.47  
% 0.19/0.47  %------------------------------------------------------------------------------
% 0.19/0.47  ------------------------
% 1.65/1.45  ---- Embedded in THF ---
% 1.65/1.45  %%% This output was generated by embedproblem, version 1.9.5 (library version 1.9).
% 1.65/1.45  %%% Generated on Tue Feb 24 12:00:10 EST 2026
% 1.65/1.45  %%% using '$$dhol' embedding, version 1.3.0.
% 1.65/1.45  %%% Logic specification used:
% 1.65/1.45  %%% thf(spec, logic, $$dhol).
% 1.65/1.45  
% 1.65/1.45  % SZS output start ListOfTHF for /export/starexec/sandbox/tmp/tmp.6clsEQKD9J/DTF2DTF24176.p
% See solution above
% 1.65/1.45  ------------------------
% 1.65/1.46  ---- Cleaned THF ---
% 1.65/1.46  thf(a_type,type,
% 1.65/1.46      a: $tType ).
% 1.65/1.46  
% 1.65/1.46  thf(cBOOL_PROP_59_pme,conjecture,
% 1.65/1.46      ! [X: a > $o,Y: a > $o] :
% 1.65/1.46        ( ( ( ^ [Xz: a] :
% 1.65/1.46                ( ( X @ Xz )
% 1.65/1.46                | ( Y @ Xz ) ) )
% 1.65/1.46          = ( ^ [Xx: a] : $false ) )
% 1.65/1.46      <=> ( ( X
% 1.65/1.46            = ( ^ [Xx: a] : $false ) )
% 1.65/1.46          & ( Y
% 1.65/1.46            = ( ^ [Xx: a] : $false ) ) ) ) ).
% 1.65/1.46  ------------------------
% 1.65/1.48  % (24348)lrs+1002_1:8_bd=off:fd=off:hud=10:tnu=1:i=183:si=on:rtra=on_0 on DTF2THF_24176 for (3000ds/183Mi)
% 1.65/1.48  % (24350)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_24176 for (3000ds/27Mi)
% 1.65/1.48  % (24351)lrs+10_1:1_au=on:inj=on:i=2:si=on:rtra=on_0 on DTF2THF_24176 for (3000ds/2Mi)
% 1.65/1.48  % (24349)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_24176 for (3000ds/4Mi)
% 1.65/1.48  % (24353)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_24176 for (3000ds/275Mi)
% 1.65/1.48  % (24352)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_24176 for (3000ds/2Mi)
% 1.65/1.48  % (24354)lrs+1004_1:128_cond=on:e2e=on:sp=weighted_frequency:i=18:si=on:rtra=on_0 on DTF2THF_24176 for (3000ds/18Mi)
% 1.65/1.48  % (24351)Instruction limit reached!
% 1.65/1.48  % (24351)------------------------------
% 1.65/1.48  % (24351)Version: Vampire 4.8 (commit 7b44b1c2f on 2025-07-15 09:50:17 +0100)
% 1.65/1.48  % (24351)Termination reason: Unknown
% 1.65/1.48  % (24351)Termination phase: Saturation
% 1.65/1.48  % (24352)Instruction limit reached!
% 1.65/1.48  % (24352)------------------------------
% 1.65/1.48  % (24352)Version: Vampire 4.8 (commit 7b44b1c2f on 2025-07-15 09:50:17 +0100)
% 1.65/1.48  % (24352)Termination reason: Unknown
% 1.65/1.48  % (24352)Termination phase: Saturation
% 1.65/1.48  
% 1.65/1.48  % (24352)Memory used [KB]: 5500
% 1.65/1.48  % (24352)Time elapsed: 0.003 s
% 1.65/1.48  % (24352)Instructions burned: 2 (million)
% 1.65/1.48  % (24352)------------------------------
% 1.65/1.48  % (24352)------------------------------
% 1.65/1.48  
% 1.65/1.48  % (24351)Memory used [KB]: 5500
% 1.65/1.48  % (24351)Time elapsed: 0.003 s
% 1.65/1.48  % (24351)Instructions burned: 2 (million)
% 1.65/1.48  % (24351)------------------------------
% 1.65/1.48  % (24351)------------------------------
% 1.65/1.48  % (24350)First to succeed.
% 1.65/1.48  % (24349)Instruction limit reached!
% 1.65/1.48  % (24349)------------------------------
% 1.65/1.48  % (24349)Version: Vampire 4.8 (commit 7b44b1c2f on 2025-07-15 09:50:17 +0100)
% 1.65/1.48  % (24349)Termination reason: Unknown
% 1.65/1.48  % (24349)Termination phase: Saturation
% 1.65/1.48  
% 1.65/1.48  % (24349)Memory used [KB]: 5500
% 1.65/1.48  % (24349)Time elapsed: 0.005 s
% 1.65/1.48  % (24349)Instructions burned: 5 (million)
% 1.65/1.48  % (24349)------------------------------
% 1.65/1.48  % (24349)------------------------------
% 1.65/1.48  % (24353)Also succeeded, but the first one will report.
% 1.65/1.48  % (24348)Also succeeded, but the first one will report.
% 1.65/1.48  % (24350)Refutation found. Thanks to Tanya!
% 1.65/1.48  % SZS status Theorem for DTF2THF_24176
% 1.65/1.48  % SZS output start Proof for DTF2THF_24176
% 1.65/1.48  thf(type_def_5, type, a: $tType).
% 1.65/1.48  thf(func_def_0, type, a: $tType).
% 1.65/1.48  thf(func_def_2, type, vEPSILON: !>[X0: $tType]:((X0 > $o) > X0)).
% 1.65/1.48  thf(func_def_8, type, sK0: a > $o).
% 1.65/1.48  thf(func_def_9, type, sK1: a > $o).
% 1.65/1.48  thf(func_def_11, type, ph3: !>[X0: $tType]:(X0)).
% 1.65/1.48  thf(func_def_12, type, sK4: a).
% 1.65/1.48  thf(func_def_13, type, sK5: a).
% 1.65/1.48  thf(func_def_14, type, sK6: a).
% 1.65/1.48  thf(f66,plain,(
% 1.65/1.48    $false),
% 1.65/1.48    inference(avatar_sat_refutation,[status(thm)],[f22,f27,f28,f37,f42,f65])).
% 1.65/1.48  thf(f65,plain,(
% 1.65/1.48    ~spl2_1 | spl2_2 | ~spl2_3),
% 1.65/1.48    inference(avatar_contradiction_clause,[status(thm)],[f64])).
% 1.65/1.48  thf(f64,plain,(
% 1.65/1.48    $false | (~spl2_1 | spl2_2 | ~spl2_3)),
% 1.65/1.48    inference(trivial_inequality_removal,[status(thm)],[f63])).
% 1.65/1.48  thf(f63,plain,(
% 1.65/1.48    ($true = $false) | (~spl2_1 | spl2_2 | ~spl2_3)),
% 1.65/1.48    inference(forward_demodulation,[status(thm)],[f62,f44])).
% 1.65/1.48  thf(f44,plain,(
% 1.65/1.48    ( ! [X1 : a] : (((sK0 @ X1) = $false)) ) | ~spl2_1),
% 1.65/1.48    inference(beta_eta_normalization,[status(thm)],[f43])).
% 1.65/1.48  thf(f43,plain,(
% 1.65/1.48    ( ! [X1 : a] : ((((^[Y0 : a]: ($false)) @ X1) = (sK0 @ X1))) ) | ~spl2_1),
% 1.65/1.48    inference(argument_congruence,[status(thm)],[f17])).
% 1.65/1.48  thf(f17,plain,(
% 1.65/1.48    (sK0 = (^[Y0 : a]: ($false))) | ~spl2_1),
% 1.65/1.48    inference(avatar_component_clause,[status(thm)],[f15])).
% 1.65/1.48  thf(f15,definition,(
% 1.65/1.48    spl2_1 <=> (sK0 = (^[Y0 : a]: ($false)))),
% 1.65/1.48    introduced(definition,[new_symbols(naming,[spl2_1])],[avatar_definition])).
% 1.65/1.48  thf(f62,plain,(
% 1.65/1.48    ((sK0 @ sK6) = $true) | (~spl2_1 | spl2_2 | ~spl2_3)),
% 1.65/1.48    inference(trivial_inequality_removal,[status(thm)],[f61])).
% 1.65/1.48  thf(f61,plain,(
% 1.65/1.48    ($true = $false) | ((sK0 @ sK6) = $true) | (~spl2_1 | spl2_2 | ~spl2_3)),
% 1.65/1.48    inference(forward_demodulation,[status(thm)],[f60,f50])).
% 1.65/1.48  thf(f50,plain,(
% 1.65/1.48    ( ! [X1 : a] : (((sK1 @ X1) = $false)) ) | (~spl2_1 | ~spl2_3)),
% 1.65/1.48    inference(trivial_inequality_removal,[status(thm)],[f49])).
% 1.65/1.48  thf(f49,plain,(
% 1.65/1.48    ( ! [X1 : a] : (((sK1 @ X1) = $false) | ($true = $false)) ) | (~spl2_1 | ~spl2_3)),
% 1.65/1.48    inference(forward_demodulation,[status(thm)],[f48,f44])).
% 1.65/1.48  thf(f48,plain,(
% 1.65/1.48    ( ! [X1 : a] : (((sK1 @ X1) = $false) | ($true = (sK0 @ X1))) ) | (~spl2_1 | ~spl2_3)),
% 1.65/1.48    inference(binary_proxy_clausification,[status(thm)],[f46])).
% 1.65/1.48  thf(f46,plain,(
% 1.65/1.48    ( ! [X1 : a] : (((sK1 @ X1) = (sK0 @ X1))) ) | (~spl2_1 | ~spl2_3)),
% 1.65/1.48    inference(argument_congruence,[status(thm)],[f45])).
% 1.65/1.48  thf(f45,plain,(
% 1.65/1.48    (sK0 = sK1) | (~spl2_1 | ~spl2_3)),
% 1.65/1.48    inference(forward_demodulation,[status(thm)],[f25,f17])).
% 1.65/1.48  thf(f25,plain,(
% 1.65/1.48    ((^[Y0 : a]: ($false)) = sK1) | ~spl2_3),
% 1.65/1.48    inference(avatar_component_clause,[status(thm)],[f24])).
% 1.65/1.48  thf(f24,definition,(
% 1.65/1.48    spl2_3 <=> ((^[Y0 : a]: ($false)) = sK1)),
% 1.65/1.48    introduced(definition,[new_symbols(naming,[spl2_3])],[avatar_definition])).
% 1.65/1.48  thf(f60,plain,(
% 1.65/1.48    ((sK1 @ sK6) = $true) | ((sK0 @ sK6) = $true) | (~spl2_1 | spl2_2)),
% 1.65/1.48    inference(duplicate_literal_removal,[status(thm)],[f59])).
% 1.65/1.48  thf(f59,plain,(
% 1.65/1.48    ((sK1 @ sK6) = $true) | ((sK0 @ sK6) = $true) | ((sK0 @ sK6) = $true) | (~spl2_1 | spl2_2)),
% 1.65/1.48    inference(binary_proxy_clausification,[status(thm)],[f54])).
% 1.65/1.48  thf(f54,plain,(
% 1.65/1.48    ((sK0 @ sK6) = $true) | (((sK1 @ sK6) | (sK0 @ sK6)) = $true) | (~spl2_1 | spl2_2)),
% 1.65/1.48    inference(binary_proxy_clausification,[status(thm)],[f53])).
% 1.65/1.48  thf(f53,plain,(
% 1.65/1.48    ((sK0 @ sK6) != ((sK1 @ sK6) | (sK0 @ sK6))) | (~spl2_1 | spl2_2)),
% 1.65/1.48    inference(beta_eta_normalization,[status(thm)],[f52])).
% 1.65/1.48  thf(f52,plain,(
% 1.65/1.48    ((sK0 @ sK6) != ((^[Y0 : a]: ((sK1 @ Y0) | (sK0 @ Y0))) @ sK6)) | (~spl2_1 | spl2_2)),
% 1.65/1.48    inference(negative_extensionality,[status(thm)],[f51])).
% 1.65/1.48  thf(f51,plain,(
% 1.65/1.48    (sK0 != (^[Y0 : a]: ((sK1 @ Y0) | (sK0 @ Y0)))) | (~spl2_1 | spl2_2)),
% 1.65/1.48    inference(forward_demodulation,[status(thm)],[f20,f17])).
% 1.65/1.48  thf(f20,plain,(
% 1.65/1.48    ((^[Y0 : a]: ((sK1 @ Y0) | (sK0 @ Y0))) != (^[Y0 : a]: ($false))) | spl2_2),
% 1.65/1.48    inference(avatar_component_clause,[status(thm)],[f19])).
% 1.65/1.48  thf(f19,definition,(
% 1.65/1.48    spl2_2 <=> ((^[Y0 : a]: ((sK1 @ Y0) | (sK0 @ Y0))) = (^[Y0 : a]: ($false)))),
% 1.65/1.48    introduced(definition,[new_symbols(naming,[spl2_2])],[avatar_definition])).
% 1.65/1.48  thf(f42,plain,(
% 1.65/1.48    spl2_1 | ~spl2_2),
% 1.65/1.48    inference(avatar_contradiction_clause,[status(thm)],[f41])).
% 1.65/1.48  thf(f41,plain,(
% 1.65/1.48    $false | (spl2_1 | ~spl2_2)),
% 1.65/1.48    inference(trivial_inequality_removal,[status(thm)],[f40])).
% 1.65/1.48  thf(f40,plain,(
% 1.65/1.48    ($false != $false) | (spl2_1 | ~spl2_2)),
% 1.65/1.48    inference(superposition,[status(thm)],[f39,f33])).
% 1.65/1.48  thf(f33,plain,(
% 1.65/1.48    ( ! [X1 : a] : (((sK0 @ X1) = $false)) ) | ~spl2_2),
% 1.65/1.48    inference(binary_proxy_clausification,[status(thm)],[f32])).
% 1.65/1.48  thf(f32,plain,(
% 1.65/1.48    ( ! [X1 : a] : ((((sK1 @ X1) | (sK0 @ X1)) = $false)) ) | ~spl2_2),
% 1.65/1.48    inference(beta_eta_normalization,[status(thm)],[f31])).
% 1.65/1.48  thf(f31,plain,(
% 1.65/1.48    ( ! [X1 : a] : ((((^[Y0 : a]: ((sK1 @ Y0) | (sK0 @ Y0))) @ X1) = ((^[Y0 : a]: ($false)) @ X1))) ) | ~spl2_2),
% 1.65/1.48    inference(argument_congruence,[status(thm)],[f21])).
% 1.65/1.48  thf(f21,plain,(
% 1.65/1.48    ((^[Y0 : a]: ((sK1 @ Y0) | (sK0 @ Y0))) = (^[Y0 : a]: ($false))) | ~spl2_2),
% 1.65/1.48    inference(avatar_component_clause,[status(thm)],[f19])).
% 1.65/1.48  thf(f39,plain,(
% 1.65/1.48    ((sK0 @ sK5) != $false) | spl2_1),
% 1.65/1.48    inference(beta_eta_normalization,[status(thm)],[f38])).
% 1.65/1.48  thf(f38,plain,(
% 1.65/1.48    ((sK0 @ sK5) != ((^[Y0 : a]: ($false)) @ sK5)) | spl2_1),
% 1.65/1.48    inference(negative_extensionality,[status(thm)],[f16])).
% 1.65/1.48  thf(f16,plain,(
% 1.65/1.48    (sK0 != (^[Y0 : a]: ($false))) | spl2_1),
% 1.65/1.48    inference(avatar_component_clause,[status(thm)],[f15])).
% 1.65/1.48  thf(f37,plain,(
% 1.65/1.48    ~spl2_2 | spl2_3),
% 1.65/1.48    inference(avatar_contradiction_clause,[status(thm)],[f36])).
% 1.65/1.48  thf(f36,plain,(
% 1.65/1.48    $false | (~spl2_2 | spl2_3)),
% 1.65/1.48    inference(trivial_inequality_removal,[status(thm)],[f35])).
% 1.65/1.48  thf(f35,plain,(
% 1.65/1.48    ($false != $false) | (~spl2_2 | spl2_3)),
% 1.65/1.48    inference(superposition,[status(thm)],[f30,f34])).
% 1.65/1.48  thf(f34,plain,(
% 1.65/1.48    ( ! [X1 : a] : (((sK1 @ X1) = $false)) ) | ~spl2_2),
% 1.65/1.48    inference(binary_proxy_clausification,[status(thm)],[f32])).
% 1.65/1.48  thf(f30,plain,(
% 1.65/1.48    ((sK1 @ sK4) != $false) | spl2_3),
% 1.65/1.48    inference(beta_eta_normalization,[status(thm)],[f29])).
% 1.65/1.48  thf(f29,plain,(
% 1.65/1.48    ((sK1 @ sK4) != ((^[Y0 : a]: ($false)) @ sK4)) | spl2_3),
% 1.65/1.48    inference(negative_extensionality,[status(thm)],[f26])).
% 1.65/1.48  thf(f26,plain,(
% 1.65/1.48    ((^[Y0 : a]: ($false)) != sK1) | spl2_3),
% 1.65/1.48    inference(avatar_component_clause,[status(thm)],[f24])).
% 1.65/1.48  thf(f28,plain,(
% 1.65/1.48    spl2_3 | spl2_2),
% 1.65/1.48    inference(avatar_split_clause,[status(thm)],[f11,f19,f24])).
% 1.65/1.48  thf(f11,plain,(
% 1.65/1.48    ((^[Y0 : a]: ((sK1 @ Y0) | (sK0 @ Y0))) = (^[Y0 : a]: ($false))) | ((^[Y0 : a]: ($false)) = sK1)),
% 1.65/1.48    inference(cnf_transformation,[status(thm)],[f10])).
% 1.65/1.48  thf(f10,plain,(
% 1.65/1.48    ((sK0 != (^[Y0 : a]: ($false))) | ((^[Y0 : a]: ($false)) != sK1) | ((^[Y0 : a]: ((sK1 @ Y0) | (sK0 @ Y0))) != (^[Y0 : a]: ($false)))) & (((sK0 = (^[Y0 : a]: ($false))) & ((^[Y0 : a]: ($false)) = sK1)) | ((^[Y0 : a]: ((sK1 @ Y0) | (sK0 @ Y0))) = (^[Y0 : a]: ($false))))),
% 1.65/1.48    inference(skolemisation,[status(esa),new_symbols(skolem,[sK0,sK1])],[f8,f9])).
% 1.65/1.48  thf(f9,plain,(
% 1.65/1.48    ? [X0 : a > $o,X1 : a > $o] : ((((^[Y0 : a]: ($false)) != X0) | ((^[Y0 : a]: ($false)) != X1) | ((^[Y0 : a]: ($false)) != (^[Y0 : a]: ((X1 @ Y0) | (X0 @ Y0))))) & ((((^[Y0 : a]: ($false)) = X0) & ((^[Y0 : a]: ($false)) = X1)) | ((^[Y0 : a]: ($false)) = (^[Y0 : a]: ((X1 @ Y0) | (X0 @ Y0)))))) => (((sK0 != (^[Y0 : a]: ($false))) | ((^[Y0 : a]: ($false)) != sK1) | ((^[Y0 : a]: ((sK1 @ Y0) | (sK0 @ Y0))) != (^[Y0 : a]: ($false)))) & (((sK0 = (^[Y0 : a]: ($false))) & ((^[Y0 : a]: ($false)) = sK1)) | ((^[Y0 : a]: ((sK1 @ Y0) | (sK0 @ Y0))) = (^[Y0 : a]: ($false)))))),
% 1.65/1.48    introduced(definition,[],[choice_axiom])).
% 1.65/1.48  thf(f8,plain,(
% 1.65/1.48    ? [X0 : a > $o,X1 : a > $o] : ((((^[Y0 : a]: ($false)) != X0) | ((^[Y0 : a]: ($false)) != X1) | ((^[Y0 : a]: ($false)) != (^[Y0 : a]: ((X1 @ Y0) | (X0 @ Y0))))) & ((((^[Y0 : a]: ($false)) = X0) & ((^[Y0 : a]: ($false)) = X1)) | ((^[Y0 : a]: ($false)) = (^[Y0 : a]: ((X1 @ Y0) | (X0 @ Y0))))))),
% 1.65/1.48    inference(flattening,[status(thm)],[f7])).
% 1.65/1.48  thf(f7,plain,(
% 1.65/1.48    ? [X0 : a > $o,X1 : a > $o] : (((((^[Y0 : a]: ($false)) != X0) | ((^[Y0 : a]: ($false)) != X1)) | ((^[Y0 : a]: ($false)) != (^[Y0 : a]: ((X1 @ Y0) | (X0 @ Y0))))) & ((((^[Y0 : a]: ($false)) = X0) & ((^[Y0 : a]: ($false)) = X1)) | ((^[Y0 : a]: ($false)) = (^[Y0 : a]: ((X1 @ Y0) | (X0 @ Y0))))))),
% 1.65/1.48    inference(nnf_transformation,[status(thm)],[f6])).
% 1.65/1.48  thf(f6,plain,(
% 1.65/1.48    ? [X0 : a > $o,X1 : a > $o] : (((^[Y0 : a]: ($false)) = (^[Y0 : a]: ((X1 @ Y0) | (X0 @ Y0)))) <~> (((^[Y0 : a]: ($false)) = X0) & ((^[Y0 : a]: ($false)) = X1)))),
% 1.65/1.48    inference(ennf_transformation,[status(thm)],[f5])).
% 1.65/1.48  thf(f5,plain,(
% 1.65/1.48    ~! [X0 : a > $o,X1 : a > $o] : (((^[Y0 : a]: ($false)) = (^[Y0 : a]: ((X1 @ Y0) | (X0 @ Y0)))) <=> (((^[Y0 : a]: ($false)) = X0) & ((^[Y0 : a]: ($false)) = X1)))),
% 1.65/1.48    inference(fool_elimination,[status(thm)],[f4])).
% 1.65/1.48  thf(f4,plain,(
% 1.65/1.48    ~! [X0 : a > $o,X1 : a > $o] : ((((^[X2 : a] : ($false)) = X1) & (X0 = (^[X3 : a] : ($false)))) <=> ((^[X4 : a] : ((X0 @ X4) | (X1 @ X4))) = (^[X5 : a] : ($false))))),
% 1.65/1.48    inference(rectify,[status(thm)],[f2])).
% 1.65/1.48  thf(f2,negated_conjecture,(
% 1.65/1.48    ~! [X1 : a > $o,X0 : a > $o] : ((((^[X3 : a] : ($false)) = X0) & (X1 = (^[X3 : a] : ($false)))) <=> ((^[X2 : a] : ((X1 @ X2) | (X0 @ X2))) = (^[X3 : a] : ($false))))),
% 1.65/1.48    inference(negated_conjecture,[status(cth)],[f1])).
% 1.65/1.48  thf(f1,conjecture,(
% 1.65/1.48    ! [X1 : a > $o,X0 : a > $o] : ((((^[X3 : a] : ($false)) = X0) & (X1 = (^[X3 : a] : ($false)))) <=> ((^[X2 : a] : ((X1 @ X2) | (X0 @ X2))) = (^[X3 : a] : ($false))))),
% 1.65/1.48    file('/export/starexec/sandbox/tmp/tmp.6clsEQKD9J/DTF2THF_24176.p',cBOOL_PROP_59_pme)).
% 1.65/1.48  thf(f27,plain,(
% 1.65/1.48    ~spl2_2 | ~spl2_3 | ~spl2_1),
% 1.65/1.48    inference(avatar_split_clause,[status(thm)],[f13,f15,f24,f19])).
% 1.65/1.48  thf(f13,plain,(
% 1.65/1.48    ((^[Y0 : a]: ((sK1 @ Y0) | (sK0 @ Y0))) != (^[Y0 : a]: ($false))) | (sK0 != (^[Y0 : a]: ($false))) | ((^[Y0 : a]: ($false)) != sK1)),
% 1.65/1.48    inference(cnf_transformation,[status(thm)],[f10])).
% 1.65/1.48  thf(f22,plain,(
% 1.65/1.48    spl2_1 | spl2_2),
% 1.65/1.48    inference(avatar_split_clause,[status(thm)],[f12,f19,f15])).
% 1.65/1.48  thf(f12,plain,(
% 1.65/1.48    ((^[Y0 : a]: ((sK1 @ Y0) | (sK0 @ Y0))) = (^[Y0 : a]: ($false))) | (sK0 = (^[Y0 : a]: ($false)))),
% 1.65/1.48    inference(cnf_transformation,[status(thm)],[f10])).
% 1.65/1.48  % SZS output end Proof for DTF2THF_24176
% 1.65/1.48  % (24350)------------------------------
% 1.65/1.48  % (24350)Version: Vampire 4.8 (commit 7b44b1c2f on 2025-07-15 09:50:17 +0100)
% 1.65/1.48  % (24350)Termination reason: Refutation
% 1.65/1.48  
% 1.65/1.48  % (24350)Memory used [KB]: 5500
% 1.65/1.48  % (24350)Time elapsed: 0.005 s
% 1.65/1.48  % (24350)Instructions burned: 3 (million)
% 1.65/1.48  % (24350)------------------------------
% 1.65/1.48  % (24350)------------------------------
% 1.65/1.48  % (24347)Success in time 0.018 s
%------------------------------------------------------------------------------