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DT2H2X---1.9.5.THM-Ref.s

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%------------------------------------------------------------------------------
% File     : DT2H2X---1.9.5
% Problem  : SET171^5 : 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 : n002.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 09:31:21 AM UTC 2026

% Result   : Theorem 1.60s 1.31s
% Output   : Refutation 1.60s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   19
%            Number of leaves      :    7
% Syntax   : Number of formulae    :   57 (  12 unt;   0 typ;   5 def)
%            Number of atoms       :  350 (  88 equ;   0 cnn)
%            Maximal formula atoms :    4 (   6 avg)
%            Number of connectives :  380 (  30   ~; 115   |;  38   &; 191   @)
%                                         (   5 <=>;   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     :   13 (  10 usr;   8 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_8,type,
    sK0: a > $o ).

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

thf(func_def_10,type,
    sK2: a > $o ).

thf(func_def_12,type,
    ph4: 
      !>[X0: $tType] : X0 ).

thf(func_def_13,type,
    sK5: a ).

thf(f100,plain,
    $false,
    inference(avatar_sat_refutation,[status(thm)],[f63,f70,f79,f85,f92,f99]) ).

thf(f99,plain,
    ( ~ spl3_1
    | ~ spl3_5 ),
    inference(avatar_contradiction_clause,[status(thm)],[f98]) ).

thf(f98,plain,
    ( $false
    | ~ spl3_1
    | ~ spl3_5 ),
    inference(trivial_inequality_removal,[status(thm)],[f95]) ).

thf(f95,plain,
    ( ( $false = $true )
    | ~ spl3_1
    | ~ spl3_5 ),
    inference(superposition,[status(thm)],[f58,f78]) ).

thf(f78,plain,
    ( ( $false
      = ( sK1 @ sK5 ) )
    | ~ spl3_5 ),
    inference(avatar_component_clause,[status(thm)],[f76]) ).

thf(f76,definition,
    ( spl3_5
  <=> ( $false
      = ( sK1 @ sK5 ) ) ),
    introduced(definition,[new_symbols(naming,[spl3_5])],[avatar_definition]) ).

thf(f58,plain,
    ( ( ( sK1 @ sK5 )
      = $true )
    | ~ spl3_1 ),
    inference(avatar_component_clause,[status(thm)],[f56]) ).

thf(f56,definition,
    ( spl3_1
  <=> ( ( sK1 @ sK5 )
      = $true ) ),
    introduced(definition,[new_symbols(naming,[spl3_1])],[avatar_definition]) ).

thf(f92,plain,
    ( ~ spl3_3
    | ~ spl3_4 ),
    inference(avatar_contradiction_clause,[status(thm)],[f91]) ).

thf(f91,plain,
    ( $false
    | ~ spl3_3
    | ~ spl3_4 ),
    inference(trivial_inequality_removal,[status(thm)],[f87]) ).

thf(f87,plain,
    ( ( $false = $true )
    | ~ spl3_3
    | ~ spl3_4 ),
    inference(superposition,[status(thm)],[f74,f67]) ).

thf(f67,plain,
    ( ( $true
      = ( sK2 @ sK5 ) )
    | ~ spl3_3 ),
    inference(avatar_component_clause,[status(thm)],[f65]) ).

thf(f65,definition,
    ( spl3_3
  <=> ( $true
      = ( sK2 @ sK5 ) ) ),
    introduced(definition,[new_symbols(naming,[spl3_3])],[avatar_definition]) ).

thf(f74,plain,
    ( ( $false
      = ( sK2 @ sK5 ) )
    | ~ spl3_4 ),
    inference(avatar_component_clause,[status(thm)],[f72]) ).

thf(f72,definition,
    ( spl3_4
  <=> ( $false
      = ( sK2 @ sK5 ) ) ),
    introduced(definition,[new_symbols(naming,[spl3_4])],[avatar_definition]) ).

thf(f85,plain,
    ~ spl3_2,
    inference(avatar_contradiction_clause,[status(thm)],[f84]) ).

thf(f84,plain,
    ( $false
    | ~ spl3_2 ),
    inference(trivial_inequality_removal,[status(thm)],[f80]) ).

thf(f80,plain,
    ( ( $false = $true )
    | ~ spl3_2 ),
    inference(superposition,[status(thm)],[f40,f62]) ).

thf(f62,plain,
    ( ( ( sK0 @ sK5 )
      = $true )
    | ~ spl3_2 ),
    inference(avatar_component_clause,[status(thm)],[f60]) ).

thf(f60,definition,
    ( spl3_2
  <=> ( ( sK0 @ sK5 )
      = $true ) ),
    introduced(definition,[new_symbols(naming,[spl3_2])],[avatar_definition]) ).

thf(f40,plain,
    ( $false
    = ( sK0 @ sK5 ) ),
    inference(duplicate_literal_removal,[status(thm)],[f38]) ).

thf(f38,plain,
    ( ( $false
      = ( sK0 @ sK5 ) )
    | ( $false
      = ( sK0 @ sK5 ) ) ),
    inference(binary_proxy_clausification,[status(thm)],[f37]) ).

thf(f37,plain,
    ( ( $false
      = ( ( sK2 @ sK5 )
        | ( sK0 @ sK5 ) ) )
    | ( $false
      = ( sK0 @ sK5 ) ) ),
    inference(duplicate_literal_removal,[status(thm)],[f32]) ).

thf(f32,plain,
    ( ( $false
      = ( sK0 @ sK5 ) )
    | ( $false
      = ( sK0 @ sK5 ) )
    | ( $false
      = ( ( sK2 @ sK5 )
        | ( sK0 @ sK5 ) ) ) ),
    inference(binary_proxy_clausification,[status(thm)],[f31]) ).

thf(f31,plain,
    ( ( $false
      = ( ( sK1 @ sK5 )
        | ( sK0 @ sK5 ) ) )
    | ( $false
      = ( sK0 @ sK5 ) )
    | ( $false
      = ( ( sK2 @ sK5 )
        | ( sK0 @ sK5 ) ) ) ),
    inference(binary_proxy_clausification,[status(thm)],[f14]) ).

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

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

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

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

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

thf(f8,plain,
    ( ( ^ [Y0: a] :
          ( ( ( sK2 @ Y0 )
            | ( sK0 @ Y0 ) )
          & ( ( sK1 @ Y0 )
            | ( sK0 @ Y0 ) ) ) )
   != ( ^ [Y0: a] :
          ( ( ( sK2 @ Y0 )
            & ( sK1 @ 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] :
              ( ( ( X2 @ Y0 )
                & ( X1 @ Y0 ) )
              | ( X0 @ Y0 ) ) )
       != ( ^ [Y0: a] :
              ( ( ( X2 @ Y0 )
                | ( X0 @ Y0 ) )
              & ( ( X1 @ Y0 )
                | ( X0 @ Y0 ) ) ) ) )
   => ( ( ^ [Y0: a] :
            ( ( ( sK2 @ Y0 )
              | ( sK0 @ Y0 ) )
            & ( ( sK1 @ Y0 )
              | ( sK0 @ Y0 ) ) ) )
     != ( ^ [Y0: a] :
            ( ( ( sK2 @ Y0 )
              & ( sK1 @ Y0 ) )
            | ( sK0 @ Y0 ) ) ) ) ),
    introduced(definition,[],[choice_axiom]) ).

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

thf(f5,plain,
    ~ ! [X0: a > $o,X1: a > $o,X2: a > $o] :
        ( ( ^ [Y0: a] :
              ( ( ( X2 @ Y0 )
                & ( X1 @ Y0 ) )
              | ( X0 @ Y0 ) ) )
        = ( ^ [Y0: a] :
              ( ( ( X2 @ Y0 )
                | ( X0 @ Y0 ) )
              & ( ( X1 @ 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 )
              | ( ( X1 @ X3 )
                & ( X2 @ X3 ) ) ) )
        = ( ^ [X4: a] :
              ( ( ( X0 @ X4 )
                | ( X1 @ X4 ) )
              & ( ( X0 @ X4 )
                | ( X2 @ X4 ) ) ) ) ),
    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 ) ) ) )
        = ( ^ [X4: a] :
              ( ( ( X0 @ X4 )
                | ( X1 @ X4 ) )
              & ( ( X0 @ X4 )
                | ( X2 @ X4 ) ) ) ) ),
    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 ) ) ) )
      = ( ^ [X4: a] :
            ( ( ( X0 @ X4 )
              | ( X1 @ X4 ) )
            & ( ( X0 @ X4 )
              | ( X2 @ X4 ) ) ) ) ),
    file('/export/starexec/sandbox/tmp/tmp.b9CGcqmrdV/DTF2THF_5637.p',cBOOL_PROP_71_pme) ).

thf(f79,plain,
    ( spl3_4
    | spl3_5 ),
    inference(avatar_split_clause,[status(thm)],[f22,f76,f72]) ).

thf(f22,plain,
    ( ( $false
      = ( sK1 @ sK5 ) )
    | ( $false
      = ( sK2 @ sK5 ) ) ),
    inference(duplicate_literal_removal,[status(thm)],[f21]) ).

thf(f21,plain,
    ( ( $false
      = ( sK2 @ sK5 ) )
    | ( $false
      = ( sK2 @ sK5 ) )
    | ( $false
      = ( sK1 @ sK5 ) )
    | ( $false
      = ( sK1 @ sK5 ) ) ),
    inference(binary_proxy_clausification,[status(thm)],[f20]) ).

thf(f20,plain,
    ( ( $false
      = ( sK2 @ sK5 ) )
    | ( $false
      = ( ( sK2 @ sK5 )
        & ( sK1 @ sK5 ) ) )
    | ( $false
      = ( sK1 @ sK5 ) ) ),
    inference(binary_proxy_clausification,[status(thm)],[f18]) ).

thf(f18,plain,
    ( ( $false
      = ( ( sK1 @ sK5 )
        | ( sK0 @ sK5 ) ) )
    | ( $false
      = ( ( sK2 @ sK5 )
        & ( sK1 @ sK5 ) ) )
    | ( $false
      = ( sK2 @ sK5 ) ) ),
    inference(binary_proxy_clausification,[status(thm)],[f16]) ).

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

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

thf(f70,plain,
    ( spl3_2
    | spl3_3 ),
    inference(avatar_split_clause,[status(thm)],[f48,f65,f60]) ).

thf(f48,plain,
    ( ( $true
      = ( sK2 @ sK5 ) )
    | ( ( sK0 @ sK5 )
      = $true ) ),
    inference(duplicate_literal_removal,[status(thm)],[f47]) ).

thf(f47,plain,
    ( ( ( sK0 @ sK5 )
      = $true )
    | ( $true
      = ( sK2 @ sK5 ) )
    | ( $true
      = ( sK2 @ sK5 ) ) ),
    inference(binary_proxy_clausification,[status(thm)],[f45]) ).

thf(f45,plain,
    ( ( $true
      = ( sK2 @ sK5 ) )
    | ( $true
      = ( ( sK2 @ sK5 )
        & ( sK1 @ sK5 ) ) )
    | ( ( sK0 @ sK5 )
      = $true ) ),
    inference(duplicate_literal_removal,[status(thm)],[f44]) ).

thf(f44,plain,
    ( ( $true
      = ( sK2 @ sK5 ) )
    | ( ( sK0 @ sK5 )
      = $true )
    | ( ( sK0 @ sK5 )
      = $true )
    | ( $true
      = ( ( sK2 @ sK5 )
        & ( sK1 @ sK5 ) ) ) ),
    inference(binary_proxy_clausification,[status(thm)],[f43]) ).

thf(f43,plain,
    ( ( $true
      = ( ( sK2 @ sK5 )
        | ( sK0 @ sK5 ) ) )
    | ( $true
      = ( ( sK2 @ sK5 )
        & ( sK1 @ sK5 ) ) )
    | ( ( sK0 @ sK5 )
      = $true ) ),
    inference(binary_proxy_clausification,[status(thm)],[f41]) ).

thf(f41,plain,
    ( ( ( sK0 @ sK5 )
      = $true )
    | ( ( ( ( sK2 @ sK5 )
          | ( sK0 @ sK5 ) )
        & ( ( sK1 @ sK5 )
          | ( sK0 @ sK5 ) ) )
      = $true )
    | ( $true
      = ( ( sK2 @ sK5 )
        & ( sK1 @ sK5 ) ) ) ),
    inference(binary_proxy_clausification,[status(thm)],[f12]) ).

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

thf(f63,plain,
    ( spl3_1
    | spl3_2 ),
    inference(avatar_split_clause,[status(thm)],[f54,f60,f56]) ).

thf(f54,plain,
    ( ( ( sK1 @ sK5 )
      = $true )
    | ( ( sK0 @ sK5 )
      = $true ) ),
    inference(duplicate_literal_removal,[status(thm)],[f53]) ).

thf(f53,plain,
    ( ( ( sK0 @ sK5 )
      = $true )
    | ( ( sK1 @ sK5 )
      = $true )
    | ( ( sK0 @ sK5 )
      = $true )
    | ( ( sK1 @ sK5 )
      = $true ) ),
    inference(binary_proxy_clausification,[status(thm)],[f49]) ).

thf(f49,plain,
    ( ( ( sK1 @ sK5 )
      = $true )
    | ( ( ( sK1 @ sK5 )
        | ( sK0 @ sK5 ) )
      = $true )
    | ( ( sK0 @ sK5 )
      = $true ) ),
    inference(binary_proxy_clausification,[status(thm)],[f42]) ).

thf(f42,plain,
    ( ( ( sK0 @ sK5 )
      = $true )
    | ( $true
      = ( ( sK2 @ sK5 )
        & ( sK1 @ sK5 ) ) )
    | ( ( ( sK1 @ sK5 )
        | ( sK0 @ sK5 ) )
      = $true ) ),
    inference(binary_proxy_clausification,[status(thm)],[f41]) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.12  % Problem  : SET171^5 : 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
% 0.17/0.34  % Computer : n002.cluster.edu
% 0.17/0.34  % Model    : x86_64 x86_64
% 0.17/0.34  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.17/0.34  % Memory   : 8042.1875MB
% 0.17/0.34  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.17/0.34  % CPULimit : 300
% 0.17/0.34  % WCLimit  : 300
% 0.17/0.34  % DateTime : Tue Feb 24 11:54:18 EST 2026
% 0.17/0.34  % CPUTime  : 
% 0.17/0.34  Running /export/starexec/sandbox/solver/bin/run_DT2H2X /export/starexec/sandbox/benchmark/theBenchmark.p 300
% 0.30/0.46  ---- Original DTF file ---
% 0.30/0.46  thf(spec,logic,$$dhol).
% 0.30/0.46  %------------------------------------------------------------------------------
% 0.30/0.46  % File     : SET171^5 : TPTP v9.2.1. Released v4.0.0.
% 0.30/0.46  % Domain   : Set Theory
% 0.30/0.46  % Problem  : TPS problem BOOL-PROP-71
% 0.30/0.46  % Version  : Especial.
% 0.30/0.46  % English  : Trybulec's 71st Boolean property of sets
% 0.30/0.46  
% 0.30/0.46  % Refs     : [TS89]  Trybulec & Swieczkowska (1989), Boolean Properties of
% 0.30/0.46  %          : [Bar92] Barker-Plummer D (1992), Gazing: An Approach to the Pr
% 0.30/0.46  %          : [Bro09] Brown (2009), Email to Geoff Sutcliffe
% 0.30/0.46  % Source   : [Bro09]
% 0.30/0.46  % Names    : tps_0301 [Bro09]
% 0.30/0.46  %          : 30 [Bar92]
% 0.30/0.46  %          : GAZING-THM30 [TPS]
% 0.30/0.46  %          : BOOL-PROP-71 [TPS]
% 0.30/0.46  
% 0.30/0.46  % Status   : Theorem
% 0.30/0.46  % Rating   : 0.00 v8.2.0, 0.08 v8.1.0, 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, 0.00 v6.1.0, 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
% 0.30/0.46  % Syntax   : Number of formulae    :    2 (   1 unt;   1 typ;   0 def)
% 0.30/0.46  %            Number of atoms       :    1 (   1 equ;   0 cnn)
% 0.30/0.46  %            Maximal formula atoms :    1 (   1 avg)
% 0.30/0.46  %            Number of connectives :   12 (   0   ~;   3   |;   2   &;   7   @)
% 0.30/0.46  %                                         (   0 <=>;   0  =>;   0  <=;   0 <~>)
% 0.30/0.46  %            Maximal formula depth :    4 (   4 avg)
% 0.30/0.46  %            Number of types       :    2 (   1 usr)
% 0.30/0.46  %            Number of type conns  :    3 (   3   >;   0   *;   0   +;   0  <<)
% 0.30/0.46  %            Number of symbols     :    1 (   0 usr;   0 con; 2-2 aty)
% 0.30/0.46  %            Number of variables   :    5 (   2   ^;   3   !;   0   ?;   5   :)
% 0.30/0.46  % SPC      : TH0_THM_EQU_NAR
% 0.30/0.46  
% 0.30/0.46  % Comments : This problem is from the TPS library. Copyright (c) 2009 The TPS
% 0.30/0.46  %            project in the Department of Mathematical Sciences at Carnegie
% 0.30/0.46  %            Mellon University. Distributed under the Creative Commons copyleft
% 0.30/0.46  %            license: http://creativecommons.org/licenses/by-sa/3.0/
% 0.30/0.46  %          : Polymorphic definitions expanded.
% 0.30/0.46  %          : 
% 0.30/0.46  %------------------------------------------------------------------------------
% 0.30/0.46  thf(a_type,type,
% 0.30/0.46      a: $tType ).
% 0.30/0.46  
% 0.30/0.46  thf(cBOOL_PROP_71_pme,conjecture,
% 0.30/0.46      ! [X: a > $o,Y: a > $o,Z: a > $o] :
% 0.30/0.46        ( ( ^ [Xz: a] :
% 0.30/0.46              ( ( X @ Xz )
% 0.30/0.46              | ( ( Y @ Xz )
% 0.30/0.46                & ( Z @ Xz ) ) ) )
% 0.30/0.46        = ( ^ [Xx: a] :
% 0.30/0.46              ( ( ( X @ Xx )
% 0.30/0.46                | ( Y @ Xx ) )
% 0.30/0.46              & ( ( X @ Xx )
% 0.30/0.46                | ( Z @ Xx ) ) ) ) ) ).
% 0.30/0.46  
% 0.30/0.46  %------------------------------------------------------------------------------
% 0.30/0.47  ------------------------
% 1.44/1.27  ---- Embedded in THF ---
% 1.44/1.28  %%% This output was generated by embedproblem, version 1.9.5 (library version 1.9).
% 1.44/1.28  %%% Generated on Tue Feb 24 11:54:19 EST 2026
% 1.44/1.28  %%% using '$$dhol' embedding, version 1.3.0.
% 1.44/1.28  %%% Logic specification used:
% 1.44/1.28  %%% thf(spec, logic, $$dhol).
% 1.44/1.28  
% 1.44/1.28  % SZS output start ListOfTHF for /export/starexec/sandbox/tmp/tmp.b9CGcqmrdV/DTF2DTF5637.p
% See solution above
% 1.44/1.28  ------------------------
% 1.44/1.29  ---- Cleaned THF ---
% 1.44/1.29  thf(a_type,type,
% 1.44/1.29      a: $tType ).
% 1.44/1.29  
% 1.44/1.29  thf(cBOOL_PROP_71_pme,conjecture,
% 1.44/1.29      ! [X: a > $o,Y: a > $o,Z: a > $o] :
% 1.44/1.29        ( ( ^ [Xz: a] :
% 1.44/1.29              ( ( X @ Xz )
% 1.44/1.29              | ( ( Y @ Xz )
% 1.44/1.29                & ( Z @ Xz ) ) ) )
% 1.44/1.29        = ( ^ [Xx: a] :
% 1.44/1.29              ( ( ( X @ Xx )
% 1.44/1.29                | ( Y @ Xx ) )
% 1.44/1.29              & ( ( X @ Xx )
% 1.44/1.29                | ( Z @ Xx ) ) ) ) ) ).
% 1.44/1.29  ------------------------
% 1.60/1.30  % (5969)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_5637 for (2999ds/2Mi)
% 1.60/1.30  % (5969)Instruction limit reached!
% 1.60/1.30  % (5969)------------------------------
% 1.60/1.30  % (5969)Version: Vampire 4.8 (commit 7b44b1c2f on 2025-07-15 09:50:17 +0100)
% 1.60/1.30  % (5969)Termination reason: Unknown
% 1.60/1.30  % (5969)Termination phase: Saturation
% 1.60/1.30  
% 1.60/1.30  % (5969)Memory used [KB]: 5373
% 1.60/1.30  % (5969)Time elapsed: 0.002 s
% 1.60/1.30  % (5969)Instructions burned: 2 (million)
% 1.60/1.30  % (5969)------------------------------
% 1.60/1.30  % (5969)------------------------------
% 1.60/1.31  % (5965)lrs+1002_1:8_bd=off:fd=off:hud=10:tnu=1:i=183:si=on:rtra=on_0 on DTF2THF_5637 for (2999ds/183Mi)
% 1.60/1.31  % (5966)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_5637 for (2999ds/4Mi)
% 1.60/1.31  % (5967)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_5637 for (2999ds/27Mi)
% 1.60/1.31  % (5968)lrs+10_1:1_au=on:inj=on:i=2:si=on:rtra=on_0 on DTF2THF_5637 for (2999ds/2Mi)
% 1.60/1.31  % (5970)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_5637 for (2999ds/275Mi)
% 1.60/1.31  % (5971)lrs+1004_1:128_cond=on:e2e=on:sp=weighted_frequency:i=18:si=on:rtra=on_0 on DTF2THF_5637 for (2999ds/18Mi)
% 1.60/1.31  % (5968)Instruction limit reached!
% 1.60/1.31  % (5968)------------------------------
% 1.60/1.31  % (5968)Version: Vampire 4.8 (commit 7b44b1c2f on 2025-07-15 09:50:17 +0100)
% 1.60/1.31  % (5968)Termination reason: Unknown
% 1.60/1.31  % (5968)Termination phase: Saturation
% 1.60/1.31  
% 1.60/1.31  % (5968)Memory used [KB]: 895
% 1.60/1.31  % (5968)Time elapsed: 0.003 s
% 1.60/1.31  % (5968)Instructions burned: 2 (million)
% 1.60/1.31  % (5968)------------------------------
% 1.60/1.31  % (5968)------------------------------
% 1.60/1.31  % (5972)lrs+10_1:1_bet=on:cnfonf=off:fd=off:hud=5:inj=on:i=3:si=on:rtra=on_0 on DTF2THF_5637 for (2999ds/3Mi)
% 1.60/1.31  % (5965)First to succeed.
% 1.60/1.31  % (5966)Instruction limit reached!
% 1.60/1.31  % (5966)------------------------------
% 1.60/1.31  % (5966)Version: Vampire 4.8 (commit 7b44b1c2f on 2025-07-15 09:50:17 +0100)
% 1.60/1.31  % (5966)Termination reason: Unknown
% 1.60/1.31  % (5966)Termination phase: Saturation
% 1.60/1.31  
% 1.60/1.31  % (5966)Memory used [KB]: 5500
% 1.60/1.31  % (5966)Time elapsed: 0.005 s
% 1.60/1.31  % (5966)Instructions burned: 4 (million)
% 1.60/1.31  % (5966)------------------------------
% 1.60/1.31  % (5966)------------------------------
% 1.60/1.31  % (5972)Refutation not found, incomplete strategy
% 1.60/1.31  % (5972)------------------------------
% 1.60/1.31  % (5972)Version: Vampire 4.8 (commit 7b44b1c2f on 2025-07-15 09:50:17 +0100)
% 1.60/1.31  % (5972)Termination reason: Refutation not found, incomplete strategy
% 1.60/1.31  
% 1.60/1.31  
% 1.60/1.31  % (5972)Memory used [KB]: 5500
% 1.60/1.31  % (5972)Time elapsed: 0.001 s
% 1.60/1.31  % (5972)Instructions burned: 1 (million)
% 1.60/1.31  % (5972)------------------------------
% 1.60/1.31  % (5972)------------------------------
% 1.60/1.31  % (5967)Also succeeded, but the first one will report.
% 1.60/1.31  % (5970)Also succeeded, but the first one will report.
% 1.60/1.31  % (5965)Refutation found. Thanks to Tanya!
% 1.60/1.31  % SZS status Theorem for DTF2THF_5637
% 1.60/1.31  % SZS output start Proof for DTF2THF_5637
% 1.60/1.31  thf(type_def_5, type, a: $tType).
% 1.60/1.31  thf(func_def_0, type, a: $tType).
% 1.60/1.31  thf(func_def_8, type, sK0: a > $o).
% 1.60/1.31  thf(func_def_9, type, sK1: a > $o).
% 1.60/1.31  thf(func_def_10, type, sK2: a > $o).
% 1.60/1.31  thf(func_def_12, type, ph4: !>[X0: $tType]:(X0)).
% 1.60/1.31  thf(func_def_13, type, sK5: a).
% 1.60/1.31  thf(f100,plain,(
% 1.60/1.31    $false),
% 1.60/1.31    inference(avatar_sat_refutation,[status(thm)],[f63,f70,f79,f85,f92,f99])).
% 1.60/1.31  thf(f99,plain,(
% 1.60/1.31    ~spl3_1 | ~spl3_5),
% 1.60/1.31    inference(avatar_contradiction_clause,[status(thm)],[f98])).
% 1.60/1.31  thf(f98,plain,(
% 1.60/1.31    $false | (~spl3_1 | ~spl3_5)),
% 1.60/1.31    inference(trivial_inequality_removal,[status(thm)],[f95])).
% 1.60/1.31  thf(f95,plain,(
% 1.60/1.31    ($false = $true) | (~spl3_1 | ~spl3_5)),
% 1.60/1.31    inference(superposition,[status(thm)],[f58,f78])).
% 1.60/1.31  thf(f78,plain,(
% 1.60/1.31    ($false = (sK1 @ sK5)) | ~spl3_5),
% 1.60/1.31    inference(avatar_component_clause,[status(thm)],[f76])).
% 1.60/1.31  thf(f76,definition,(
% 1.60/1.31    spl3_5 <=> ($false = (sK1 @ sK5))),
% 1.60/1.31    introduced(definition,[new_symbols(naming,[spl3_5])],[avatar_definition])).
% 1.60/1.31  thf(f58,plain,(
% 1.60/1.31    ((sK1 @ sK5) = $true) | ~spl3_1),
% 1.60/1.31    inference(avatar_component_clause,[status(thm)],[f56])).
% 1.60/1.31  thf(f56,definition,(
% 1.60/1.31    spl3_1 <=> ((sK1 @ sK5) = $true)),
% 1.60/1.31    introduced(definition,[new_symbols(naming,[spl3_1])],[avatar_definition])).
% 1.60/1.31  thf(f92,plain,(
% 1.60/1.31    ~spl3_3 | ~spl3_4),
% 1.60/1.31    inference(avatar_contradiction_clause,[status(thm)],[f91])).
% 1.60/1.31  thf(f91,plain,(
% 1.60/1.31    $false | (~spl3_3 | ~spl3_4)),
% 1.60/1.31    inference(trivial_inequality_removal,[status(thm)],[f87])).
% 1.60/1.31  thf(f87,plain,(
% 1.60/1.31    ($false = $true) | (~spl3_3 | ~spl3_4)),
% 1.60/1.31    inference(superposition,[status(thm)],[f74,f67])).
% 1.60/1.31  thf(f67,plain,(
% 1.60/1.31    ($true = (sK2 @ sK5)) | ~spl3_3),
% 1.60/1.31    inference(avatar_component_clause,[status(thm)],[f65])).
% 1.60/1.31  thf(f65,definition,(
% 1.60/1.31    spl3_3 <=> ($true = (sK2 @ sK5))),
% 1.60/1.31    introduced(definition,[new_symbols(naming,[spl3_3])],[avatar_definition])).
% 1.60/1.31  thf(f74,plain,(
% 1.60/1.31    ($false = (sK2 @ sK5)) | ~spl3_4),
% 1.60/1.31    inference(avatar_component_clause,[status(thm)],[f72])).
% 1.60/1.31  thf(f72,definition,(
% 1.60/1.31    spl3_4 <=> ($false = (sK2 @ sK5))),
% 1.60/1.31    introduced(definition,[new_symbols(naming,[spl3_4])],[avatar_definition])).
% 1.60/1.31  thf(f85,plain,(
% 1.60/1.31    ~spl3_2),
% 1.60/1.31    inference(avatar_contradiction_clause,[status(thm)],[f84])).
% 1.60/1.31  thf(f84,plain,(
% 1.60/1.31    $false | ~spl3_2),
% 1.60/1.31    inference(trivial_inequality_removal,[status(thm)],[f80])).
% 1.60/1.31  thf(f80,plain,(
% 1.60/1.31    ($false = $true) | ~spl3_2),
% 1.60/1.31    inference(superposition,[status(thm)],[f40,f62])).
% 1.60/1.31  thf(f62,plain,(
% 1.60/1.31    ((sK0 @ sK5) = $true) | ~spl3_2),
% 1.60/1.31    inference(avatar_component_clause,[status(thm)],[f60])).
% 1.60/1.31  thf(f60,definition,(
% 1.60/1.31    spl3_2 <=> ((sK0 @ sK5) = $true)),
% 1.60/1.31    introduced(definition,[new_symbols(naming,[spl3_2])],[avatar_definition])).
% 1.60/1.31  thf(f40,plain,(
% 1.60/1.31    ($false = (sK0 @ sK5))),
% 1.60/1.31    inference(duplicate_literal_removal,[status(thm)],[f38])).
% 1.60/1.31  thf(f38,plain,(
% 1.60/1.31    ($false = (sK0 @ sK5)) | ($false = (sK0 @ sK5))),
% 1.60/1.31    inference(binary_proxy_clausification,[status(thm)],[f37])).
% 1.60/1.31  thf(f37,plain,(
% 1.60/1.31    ($false = ((sK2 @ sK5) | (sK0 @ sK5))) | ($false = (sK0 @ sK5))),
% 1.60/1.31    inference(duplicate_literal_removal,[status(thm)],[f32])).
% 1.60/1.31  thf(f32,plain,(
% 1.60/1.31    ($false = (sK0 @ sK5)) | ($false = (sK0 @ sK5)) | ($false = ((sK2 @ sK5) | (sK0 @ sK5)))),
% 1.60/1.31    inference(binary_proxy_clausification,[status(thm)],[f31])).
% 1.60/1.31  thf(f31,plain,(
% 1.60/1.31    ($false = ((sK1 @ sK5) | (sK0 @ sK5))) | ($false = (sK0 @ sK5)) | ($false = ((sK2 @ sK5) | (sK0 @ sK5)))),
% 1.60/1.31    inference(binary_proxy_clausification,[status(thm)],[f14])).
% 1.60/1.31  thf(f14,plain,(
% 1.60/1.31    ($false = (sK0 @ sK5)) | ($false = (((sK2 @ sK5) | (sK0 @ sK5)) & ((sK1 @ sK5) | (sK0 @ sK5))))),
% 1.60/1.31    inference(binary_proxy_clausification,[status(thm)],[f13])).
% 1.60/1.31  thf(f13,plain,(
% 1.60/1.31    ((((sK2 @ sK5) & (sK1 @ sK5)) | (sK0 @ sK5)) = $false) | ($false = (((sK2 @ sK5) | (sK0 @ sK5)) & ((sK1 @ sK5) | (sK0 @ sK5))))),
% 1.60/1.31    inference(binary_proxy_clausification,[status(thm)],[f11])).
% 1.60/1.31  thf(f11,plain,(
% 1.60/1.31    ((((sK2 @ sK5) & (sK1 @ sK5)) | (sK0 @ sK5)) != (((sK2 @ sK5) | (sK0 @ sK5)) & ((sK1 @ sK5) | (sK0 @ sK5))))),
% 1.60/1.31    inference(beta_eta_normalization,[status(thm)],[f10])).
% 1.60/1.31  thf(f10,plain,(
% 1.60/1.31    (((^[Y0 : a]: (((sK2 @ Y0) & (sK1 @ Y0)) | (sK0 @ Y0))) @ sK5) != ((^[Y0 : a]: (((sK2 @ Y0) | (sK0 @ Y0)) & ((sK1 @ Y0) | (sK0 @ Y0)))) @ sK5))),
% 1.60/1.31    inference(negative_extensionality,[status(thm)],[f9])).
% 1.60/1.31  thf(f9,plain,(
% 1.60/1.31    ((^[Y0 : a]: (((sK2 @ Y0) | (sK0 @ Y0)) & ((sK1 @ Y0) | (sK0 @ Y0)))) != (^[Y0 : a]: (((sK2 @ Y0) & (sK1 @ Y0)) | (sK0 @ Y0))))),
% 1.60/1.31    inference(cnf_transformation,[status(thm)],[f8])).
% 1.60/1.31  thf(f8,plain,(
% 1.60/1.31    ((^[Y0 : a]: (((sK2 @ Y0) | (sK0 @ Y0)) & ((sK1 @ Y0) | (sK0 @ Y0)))) != (^[Y0 : a]: (((sK2 @ Y0) & (sK1 @ Y0)) | (sK0 @ Y0))))),
% 1.60/1.31    inference(skolemisation,[status(esa),new_symbols(skolem,[sK0,sK1,sK2])],[f6,f7])).
% 1.60/1.31  thf(f7,plain,(
% 1.60/1.31    ? [X0 : a > $o,X1 : a > $o,X2 : a > $o] : ((^[Y0 : a]: (((X2 @ Y0) & (X1 @ Y0)) | (X0 @ Y0))) != (^[Y0 : a]: (((X2 @ Y0) | (X0 @ Y0)) & ((X1 @ Y0) | (X0 @ Y0))))) => ((^[Y0 : a]: (((sK2 @ Y0) | (sK0 @ Y0)) & ((sK1 @ Y0) | (sK0 @ Y0)))) != (^[Y0 : a]: (((sK2 @ Y0) & (sK1 @ Y0)) | (sK0 @ Y0))))),
% 1.60/1.31    introduced(definition,[],[choice_axiom])).
% 1.60/1.31  thf(f6,plain,(
% 1.60/1.31    ? [X0 : a > $o,X1 : a > $o,X2 : a > $o] : ((^[Y0 : a]: (((X2 @ Y0) & (X1 @ Y0)) | (X0 @ Y0))) != (^[Y0 : a]: (((X2 @ Y0) | (X0 @ Y0)) & ((X1 @ Y0) | (X0 @ Y0)))))),
% 1.60/1.31    inference(ennf_transformation,[status(thm)],[f5])).
% 1.60/1.31  thf(f5,plain,(
% 1.60/1.31    ~! [X0 : a > $o,X1 : a > $o,X2 : a > $o] : ((^[Y0 : a]: (((X2 @ Y0) & (X1 @ Y0)) | (X0 @ Y0))) = (^[Y0 : a]: (((X2 @ Y0) | (X0 @ Y0)) & ((X1 @ Y0) | (X0 @ Y0)))))),
% 1.60/1.31    inference(fool_elimination,[status(thm)],[f4])).
% 1.60/1.31  thf(f4,plain,(
% 1.60/1.31    ~! [X0 : a > $o,X1 : a > $o,X2 : a > $o] : ((^[X3 : a] : ((X0 @ X3) | ((X1 @ X3) & (X2 @ X3)))) = (^[X4 : a] : (((X0 @ X4) | (X1 @ X4)) & ((X0 @ X4) | (X2 @ X4)))))),
% 1.60/1.31    inference(rectify,[status(thm)],[f2])).
% 1.60/1.31  thf(f2,negated_conjecture,(
% 1.60/1.31    ~! [X0 : a > $o,X1 : a > $o,X2 : a > $o] : ((^[X3 : a] : ((X0 @ X3) | ((X1 @ X3) & (X2 @ X3)))) = (^[X4 : a] : (((X0 @ X4) | (X1 @ X4)) & ((X0 @ X4) | (X2 @ X4)))))),
% 1.60/1.31    inference(negated_conjecture,[status(cth)],[f1])).
% 1.60/1.31  thf(f1,conjecture,(
% 1.60/1.31    ! [X0 : a > $o,X1 : a > $o,X2 : a > $o] : ((^[X3 : a] : ((X0 @ X3) | ((X1 @ X3) & (X2 @ X3)))) = (^[X4 : a] : (((X0 @ X4) | (X1 @ X4)) & ((X0 @ X4) | (X2 @ X4)))))),
% 1.60/1.31    file('/export/starexec/sandbox/tmp/tmp.b9CGcqmrdV/DTF2THF_5637.p',cBOOL_PROP_71_pme)).
% 1.60/1.31  thf(f79,plain,(
% 1.60/1.31    spl3_4 | spl3_5),
% 1.60/1.31    inference(avatar_split_clause,[status(thm)],[f22,f76,f72])).
% 1.60/1.31  thf(f22,plain,(
% 1.60/1.31    ($false = (sK1 @ sK5)) | ($false = (sK2 @ sK5))),
% 1.60/1.31    inference(duplicate_literal_removal,[status(thm)],[f21])).
% 1.60/1.31  thf(f21,plain,(
% 1.60/1.31    ($false = (sK2 @ sK5)) | ($false = (sK2 @ sK5)) | ($false = (sK1 @ sK5)) | ($false = (sK1 @ sK5))),
% 1.60/1.31    inference(binary_proxy_clausification,[status(thm)],[f20])).
% 1.60/1.31  thf(f20,plain,(
% 1.60/1.31    ($false = (sK2 @ sK5)) | ($false = ((sK2 @ sK5) & (sK1 @ sK5))) | ($false = (sK1 @ sK5))),
% 1.60/1.31    inference(binary_proxy_clausification,[status(thm)],[f18])).
% 1.60/1.31  thf(f18,plain,(
% 1.60/1.31    ($false = ((sK1 @ sK5) | (sK0 @ sK5))) | ($false = ((sK2 @ sK5) & (sK1 @ sK5))) | ($false = (sK2 @ sK5))),
% 1.60/1.31    inference(binary_proxy_clausification,[status(thm)],[f16])).
% 1.60/1.31  thf(f16,plain,(
% 1.60/1.31    ($false = ((sK2 @ sK5) | (sK0 @ sK5))) | ($false = ((sK1 @ sK5) | (sK0 @ sK5))) | ($false = ((sK2 @ sK5) & (sK1 @ sK5)))),
% 1.60/1.31    inference(binary_proxy_clausification,[status(thm)],[f15])).
% 1.60/1.31  thf(f15,plain,(
% 1.60/1.31    ($false = (((sK2 @ sK5) | (sK0 @ sK5)) & ((sK1 @ sK5) | (sK0 @ sK5)))) | ($false = ((sK2 @ sK5) & (sK1 @ sK5)))),
% 1.60/1.31    inference(binary_proxy_clausification,[status(thm)],[f13])).
% 1.60/1.31  thf(f70,plain,(
% 1.60/1.31    spl3_2 | spl3_3),
% 1.60/1.31    inference(avatar_split_clause,[status(thm)],[f48,f65,f60])).
% 1.60/1.31  thf(f48,plain,(
% 1.60/1.31    ($true = (sK2 @ sK5)) | ((sK0 @ sK5) = $true)),
% 1.60/1.31    inference(duplicate_literal_removal,[status(thm)],[f47])).
% 1.60/1.31  thf(f47,plain,(
% 1.60/1.31    ((sK0 @ sK5) = $true) | ($true = (sK2 @ sK5)) | ($true = (sK2 @ sK5))),
% 1.60/1.31    inference(binary_proxy_clausification,[status(thm)],[f45])).
% 1.60/1.31  thf(f45,plain,(
% 1.60/1.31    ($true = (sK2 @ sK5)) | ($true = ((sK2 @ sK5) & (sK1 @ sK5))) | ((sK0 @ sK5) = $true)),
% 1.60/1.31    inference(duplicate_literal_removal,[status(thm)],[f44])).
% 1.60/1.31  thf(f44,plain,(
% 1.60/1.31    ($true = (sK2 @ sK5)) | ((sK0 @ sK5) = $true) | ((sK0 @ sK5) = $true) | ($true = ((sK2 @ sK5) & (sK1 @ sK5)))),
% 1.60/1.31    inference(binary_proxy_clausification,[status(thm)],[f43])).
% 1.60/1.31  thf(f43,plain,(
% 1.60/1.31    ($true = ((sK2 @ sK5) | (sK0 @ sK5))) | ($true = ((sK2 @ sK5) & (sK1 @ sK5))) | ((sK0 @ sK5) = $true)),
% 1.60/1.31    inference(binary_proxy_clausification,[status(thm)],[f41])).
% 1.60/1.31  thf(f41,plain,(
% 1.60/1.31    ((sK0 @ sK5) = $true) | ((((sK2 @ sK5) | (sK0 @ sK5)) & ((sK1 @ sK5) | (sK0 @ sK5))) = $true) | ($true = ((sK2 @ sK5) & (sK1 @ sK5)))),
% 1.60/1.31    inference(binary_proxy_clausification,[status(thm)],[f12])).
% 1.60/1.31  thf(f12,plain,(
% 1.60/1.31    ((((sK2 @ sK5) & (sK1 @ sK5)) | (sK0 @ sK5)) = $true) | ((((sK2 @ sK5) | (sK0 @ sK5)) & ((sK1 @ sK5) | (sK0 @ sK5))) = $true)),
% 1.60/1.31    inference(binary_proxy_clausification,[status(thm)],[f11])).
% 1.60/1.31  thf(f63,plain,(
% 1.60/1.31    spl3_1 | spl3_2),
% 1.60/1.31    inference(avatar_split_clause,[status(thm)],[f54,f60,f56])).
% 1.60/1.31  thf(f54,plain,(
% 1.60/1.31    ((sK1 @ sK5) = $true) | ((sK0 @ sK5) = $true)),
% 1.60/1.31    inference(duplicate_literal_removal,[status(thm)],[f53])).
% 1.60/1.31  thf(f53,plain,(
% 1.60/1.31    ((sK0 @ sK5) = $true) | ((sK1 @ sK5) = $true) | ((sK0 @ sK5) = $true) | ((sK1 @ sK5) = $true)),
% 1.60/1.31    inference(binary_proxy_clausification,[status(thm)],[f49])).
% 1.60/1.31  thf(f49,plain,(
% 1.60/1.31    ((sK1 @ sK5) = $true) | (((sK1 @ sK5) | (sK0 @ sK5)) = $true) | ((sK0 @ sK5) = $true)),
% 1.60/1.31    inference(binary_proxy_clausification,[status(thm)],[f42])).
% 1.60/1.31  thf(f42,plain,(
% 1.60/1.31    ((sK0 @ sK5) = $true) | ($true = ((sK2 @ sK5) & (sK1 @ sK5))) | (((sK1 @ sK5) | (sK0 @ sK5)) = $true)),
% 1.60/1.31    inference(binary_proxy_clausification,[status(thm)],[f41])).
% 1.60/1.31  % SZS output end Proof for DTF2THF_5637
% 1.60/1.31  % (5965)------------------------------
% 1.60/1.31  % (5965)Version: Vampire 4.8 (commit 7b44b1c2f on 2025-07-15 09:50:17 +0100)
% 1.60/1.31  % (5965)Termination reason: Refutation
% 1.60/1.31  
% 1.60/1.31  % (5965)Memory used [KB]: 5500
% 1.60/1.31  % (5965)Time elapsed: 0.006 s
% 1.60/1.31  % (5965)Instructions burned: 3 (million)
% 1.60/1.31  % (5965)------------------------------
% 1.60/1.31  % (5965)------------------------------
% 1.60/1.31  % (5964)Success in time 0.02 s
%------------------------------------------------------------------------------