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DT2H2X---1.9.5.THM-Ref.s

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%------------------------------------------------------------------------------
% File     : DT2H2X---1.9.5
% Problem  : SEU853^5 : TPTP v9.2.1. Released v4.0.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : /export/starexec/sandbox2/solver/bin/run_DT2H2X /export/starexec/sandbox2/benchmark/theBenchmark.p 300

% Computer : n007.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 09:37:35 AM UTC 2026

% Result   : Theorem 1.46s 1.28s
% Output   : Refutation 1.46s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   20
%            Number of leaves      :    9
% Syntax   : Number of formulae    :   48 (   1 unt;   0 typ;   5 def)
%            Number of atoms       :  561 ( 214 equ;   0 cnn)
%            Maximal formula atoms :   36 (  11 avg)
%            Number of connectives :  605 ( 126   ~; 112   |;  82   &; 245   @)
%                                         (  10 <=>;  28  =>;   0  <=;   2 <~>)
%            Maximal formula depth :   14 (   6 avg)
%            Number of types       :    2 (   1 usr)
%            Number of type conns  :   33 (  33   >;   0   *;   0   +;   0  <<)
%            Number of symbols     :   13 (  10 usr;   9 con; 0-2 aty)
%            Number of variables   :  105 (   0   ^;  75   !;  30   ?; 105   :)

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

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

thf(func_def_4,type,
    sK0: a > $o ).

thf(func_def_5,type,
    sK1: a > $o ).

thf(func_def_6,type,
    sK2: a > $o ).

thf(func_def_7,type,
    sK3: a ).

thf(func_def_8,type,
    sK4: a ).

thf(f72,plain,
    $false,
    inference(avatar_sat_refutation,[status(thm)],[f52,f55,f56,f57,f58,f65,f71]) ).

thf(f71,plain,
    ( ~ spl5_3
    | spl5_4 ),
    inference(avatar_contradiction_clause,[status(thm)],[f70]) ).

thf(f70,plain,
    ( $false
    | ~ spl5_3
    | spl5_4 ),
    inference(subsumption_resolution,[status(thm)],[f68,f47]) ).

thf(f47,plain,
    ( ( $true
     != ( sK2 @ sK4 ) )
    | spl5_4 ),
    inference(avatar_component_clause,[status(thm)],[f45]) ).

thf(f45,definition,
    ( spl5_4
  <=> ( $true
      = ( sK2 @ sK4 ) ) ),
    introduced(definition,[new_symbols(naming,[spl5_4])],[avatar_definition]) ).

thf(f68,plain,
    ( ( $true
      = ( sK2 @ sK4 ) )
    | ~ spl5_3 ),
    inference(trivial_inequality_removal,[status(thm)],[f66]) ).

thf(f66,plain,
    ( ( $true != $true )
    | ( $true
      = ( sK2 @ sK4 ) )
    | ~ spl5_3 ),
    inference(superposition,[status(thm)],[f59,f42]) ).

thf(f42,plain,
    ( ( $true
      = ( sK0 @ sK4 ) )
    | ~ spl5_3 ),
    inference(avatar_component_clause,[status(thm)],[f40]) ).

thf(f40,definition,
    ( spl5_3
  <=> ( $true
      = ( sK0 @ sK4 ) ) ),
    introduced(definition,[new_symbols(naming,[spl5_3])],[avatar_definition]) ).

thf(f59,plain,
    ! [X0: a] :
      ( ( $true
       != ( sK0 @ X0 ) )
      | ( ( sK2 @ X0 )
        = $true ) ),
    inference(subsumption_resolution,[status(thm)],[f30,f17]) ).

thf(f17,plain,
    ! [X7: a] :
      ( ( ( sK0 @ X7 )
       != $true )
      | ( $true
        = ( sK1 @ X7 ) ) ),
    inference(cnf_transformation,[status(thm)],[f15]) ).

thf(f15,plain,
    ( ( ( ( $true
         != ( sK2 @ sK3 ) )
        & ( $true
          = ( sK0 @ sK3 ) ) )
      | ( ( $true
          = ( sK1 @ sK4 ) )
        & ( $true
         != ( sK2 @ sK4 ) )
        & ( ( $true
           != ( sK1 @ sK4 ) )
          | ( $true
            = ( sK0 @ sK4 ) ) )
        & ( $true
          = ( sK0 @ sK4 ) ) ) )
    & ( ! [X5: a] :
          ( ( ( sK2 @ X5 )
            = $true )
          | ( $true
           != ( sK0 @ X5 ) ) )
      | ! [X6: a] :
          ( ( $true
           != ( sK1 @ X6 ) )
          | ( ( sK2 @ X6 )
            = $true )
          | ( ( $true
              = ( sK1 @ X6 ) )
            & ( $true
             != ( sK0 @ X6 ) ) )
          | ( $true
           != ( sK0 @ X6 ) ) ) )
    & ! [X7: a] :
        ( ( $true
          = ( sK1 @ X7 ) )
        | ( ( sK0 @ X7 )
         != $true ) )
    & ! [X8: a] :
        ( ( $true
         != ( sK2 @ X8 ) )
        | ( $true
          = ( sK1 @ X8 ) ) ) ),
    inference(skolemisation,[status(esa),new_symbols(skolem,[sK0,sK1,sK2,sK3,sK4])],[f11,f14,f13,f12]) ).

thf(f12,plain,
    ( ? [X0: a > $o,X1: a > $o,X2: a > $o] :
        ( ( ? [X3: a] :
              ( ( ( X2 @ X3 )
               != $true )
              & ( ( X0 @ X3 )
                = $true ) )
          | ? [X4: a] :
              ( ( ( X1 @ X4 )
                = $true )
              & ( ( X2 @ X4 )
               != $true )
              & ( ( ( X1 @ X4 )
                 != $true )
                | ( $true
                  = ( X0 @ X4 ) ) )
              & ( $true
                = ( X0 @ X4 ) ) ) )
        & ( ! [X5: a] :
              ( ( $true
                = ( X2 @ X5 ) )
              | ( ( X0 @ X5 )
               != $true ) )
          | ! [X6: a] :
              ( ( $true
               != ( X1 @ X6 ) )
              | ( $true
                = ( X2 @ X6 ) )
              | ( ( $true
                  = ( X1 @ X6 ) )
                & ( ( X0 @ X6 )
                 != $true ) )
              | ( ( X0 @ X6 )
               != $true ) ) )
        & ! [X7: a] :
            ( ( $true
              = ( X1 @ X7 ) )
            | ( $true
             != ( X0 @ X7 ) ) )
        & ! [X8: a] :
            ( ( $true
             != ( X2 @ X8 ) )
            | ( ( X1 @ X8 )
              = $true ) ) )
   => ( ( ? [X3: a] :
            ( ( $true
             != ( sK2 @ X3 ) )
            & ( ( sK0 @ X3 )
              = $true ) )
        | ? [X4: a] :
            ( ( ( sK1 @ X4 )
              = $true )
            & ( $true
             != ( sK2 @ X4 ) )
            & ( ( ( sK1 @ X4 )
               != $true )
              | ( $true
                = ( sK0 @ X4 ) ) )
            & ( $true
              = ( sK0 @ X4 ) ) ) )
      & ( ! [X5: a] :
            ( ( ( sK2 @ X5 )
              = $true )
            | ( $true
             != ( sK0 @ X5 ) ) )
        | ! [X6: a] :
            ( ( $true
             != ( sK1 @ X6 ) )
            | ( ( sK2 @ X6 )
              = $true )
            | ( ( $true
                = ( sK1 @ X6 ) )
              & ( $true
               != ( sK0 @ X6 ) ) )
            | ( $true
             != ( sK0 @ X6 ) ) ) )
      & ! [X7: a] :
          ( ( $true
            = ( sK1 @ X7 ) )
          | ( ( sK0 @ X7 )
           != $true ) )
      & ! [X8: a] :
          ( ( $true
           != ( sK2 @ X8 ) )
          | ( $true
            = ( sK1 @ X8 ) ) ) ) ),
    introduced(definition,[],[choice_axiom]) ).

thf(f13,plain,
    ( ? [X3: a] :
        ( ( $true
         != ( sK2 @ X3 ) )
        & ( ( sK0 @ X3 )
          = $true ) )
   => ( ( $true
       != ( sK2 @ sK3 ) )
      & ( $true
        = ( sK0 @ sK3 ) ) ) ),
    introduced(definition,[],[choice_axiom]) ).

thf(f14,plain,
    ( ? [X4: a] :
        ( ( ( sK1 @ X4 )
          = $true )
        & ( $true
         != ( sK2 @ X4 ) )
        & ( ( ( sK1 @ X4 )
           != $true )
          | ( $true
            = ( sK0 @ X4 ) ) )
        & ( $true
          = ( sK0 @ X4 ) ) )
   => ( ( $true
        = ( sK1 @ sK4 ) )
      & ( $true
       != ( sK2 @ sK4 ) )
      & ( ( $true
         != ( sK1 @ sK4 ) )
        | ( $true
          = ( sK0 @ sK4 ) ) )
      & ( $true
        = ( sK0 @ sK4 ) ) ) ),
    introduced(definition,[],[choice_axiom]) ).

thf(f11,plain,
    ? [X0: a > $o,X1: a > $o,X2: a > $o] :
      ( ( ? [X3: a] :
            ( ( ( X2 @ X3 )
             != $true )
            & ( ( X0 @ X3 )
              = $true ) )
        | ? [X4: a] :
            ( ( ( X1 @ X4 )
              = $true )
            & ( ( X2 @ X4 )
             != $true )
            & ( ( ( X1 @ X4 )
               != $true )
              | ( $true
                = ( X0 @ X4 ) ) )
            & ( $true
              = ( X0 @ X4 ) ) ) )
      & ( ! [X5: a] :
            ( ( $true
              = ( X2 @ X5 ) )
            | ( ( X0 @ X5 )
             != $true ) )
        | ! [X6: a] :
            ( ( $true
             != ( X1 @ X6 ) )
            | ( $true
              = ( X2 @ X6 ) )
            | ( ( $true
                = ( X1 @ X6 ) )
              & ( ( X0 @ X6 )
               != $true ) )
            | ( ( X0 @ X6 )
             != $true ) ) )
      & ! [X7: a] :
          ( ( $true
            = ( X1 @ X7 ) )
          | ( $true
           != ( X0 @ X7 ) ) )
      & ! [X8: a] :
          ( ( $true
           != ( X2 @ X8 ) )
          | ( ( X1 @ X8 )
            = $true ) ) ),
    inference(rectify,[status(thm)],[f10]) ).

thf(f10,plain,
    ? [X1: a > $o,X0: a > $o,X2: a > $o] :
      ( ( ? [X6: a] :
            ( ( $true
             != ( X2 @ X6 ) )
            & ( $true
              = ( X1 @ X6 ) ) )
        | ? [X5: a] :
            ( ( ( X0 @ X5 )
              = $true )
            & ( $true
             != ( X2 @ X5 ) )
            & ( ( ( X0 @ X5 )
               != $true )
              | ( $true
                = ( X1 @ X5 ) ) )
            & ( $true
              = ( X1 @ X5 ) ) ) )
      & ( ! [X6: a] :
            ( ( $true
              = ( X2 @ X6 ) )
            | ( $true
             != ( X1 @ X6 ) ) )
        | ! [X5: a] :
            ( ( ( X0 @ X5 )
             != $true )
            | ( $true
              = ( X2 @ X5 ) )
            | ( ( ( X0 @ X5 )
                = $true )
              & ( $true
               != ( X1 @ X5 ) ) )
            | ( $true
             != ( X1 @ X5 ) ) ) )
      & ! [X4: a] :
          ( ( $true
            = ( X0 @ X4 ) )
          | ( ( X1 @ X4 )
           != $true ) )
      & ! [X3: a] :
          ( ( ( X2 @ X3 )
           != $true )
          | ( ( X0 @ X3 )
            = $true ) ) ),
    inference(flattening,[status(thm)],[f9]) ).

thf(f9,plain,
    ? [X1: a > $o,X0: a > $o,X2: a > $o] :
      ( ( ? [X6: a] :
            ( ( $true
             != ( X2 @ X6 ) )
            & ( $true
              = ( X1 @ X6 ) ) )
        | ? [X5: a] :
            ( ( ( X0 @ X5 )
              = $true )
            & ( $true
             != ( X2 @ X5 ) )
            & ( ( ( X0 @ X5 )
               != $true )
              | ( $true
                = ( X1 @ X5 ) ) )
            & ( $true
              = ( X1 @ X5 ) ) ) )
      & ( ! [X6: a] :
            ( ( $true
              = ( X2 @ X6 ) )
            | ( $true
             != ( X1 @ X6 ) ) )
        | ! [X5: a] :
            ( ( ( X0 @ X5 )
             != $true )
            | ( $true
              = ( X2 @ X5 ) )
            | ( ( ( X0 @ X5 )
                = $true )
              & ( $true
               != ( X1 @ X5 ) ) )
            | ( $true
             != ( X1 @ X5 ) ) ) )
      & ! [X4: a] :
          ( ( $true
            = ( X0 @ X4 ) )
          | ( ( X1 @ X4 )
           != $true ) )
      & ! [X3: a] :
          ( ( ( X2 @ X3 )
           != $true )
          | ( ( X0 @ X3 )
            = $true ) ) ),
    inference(nnf_transformation,[status(thm)],[f8]) ).

thf(f8,plain,
    ? [X1: a > $o,X0: a > $o,X2: a > $o] :
      ( ( ! [X5: a] :
            ( ( ( X0 @ X5 )
             != $true )
            | ( $true
              = ( X2 @ X5 ) )
            | ( ( ( X0 @ X5 )
                = $true )
              & ( $true
               != ( X1 @ X5 ) ) )
            | ( $true
             != ( X1 @ X5 ) ) )
      <~> ! [X6: a] :
            ( ( $true
              = ( X2 @ X6 ) )
            | ( $true
             != ( X1 @ X6 ) ) ) )
      & ! [X4: a] :
          ( ( $true
            = ( X0 @ X4 ) )
          | ( ( X1 @ X4 )
           != $true ) )
      & ! [X3: a] :
          ( ( ( X2 @ X3 )
           != $true )
          | ( ( X0 @ X3 )
            = $true ) ) ),
    inference(flattening,[status(thm)],[f7]) ).

thf(f7,plain,
    ? [X2: a > $o,X1: a > $o,X0: a > $o] :
      ( ( ! [X5: a] :
            ( ( ( ( X0 @ X5 )
                = $true )
              & ( $true
               != ( X1 @ X5 ) ) )
            | ( ( X0 @ X5 )
             != $true )
            | ( $true
             != ( X1 @ X5 ) )
            | ( $true
              = ( X2 @ X5 ) ) )
      <~> ! [X6: a] :
            ( ( $true
              = ( X2 @ X6 ) )
            | ( $true
             != ( X1 @ X6 ) ) ) )
      & ! [X3: a] :
          ( ( ( X2 @ X3 )
           != $true )
          | ( ( X0 @ X3 )
            = $true ) )
      & ! [X4: a] :
          ( ( $true
            = ( X0 @ X4 ) )
          | ( ( X1 @ X4 )
           != $true ) ) ),
    inference(ennf_transformation,[status(thm)],[f6]) ).

thf(f6,plain,
    ~ ! [X2: a > $o,X1: a > $o,X0: a > $o] :
        ( ( ! [X3: a] :
              ( ( ( X2 @ X3 )
                = $true )
             => ( ( X0 @ X3 )
                = $true ) )
          & ! [X4: a] :
              ( ( ( X1 @ X4 )
                = $true )
             => ( $true
                = ( X0 @ X4 ) ) ) )
       => ( ! [X5: a] :
              ( ( ( ( X0 @ X5 )
                  = $true )
                & ( $true
                  = ( X1 @ X5 ) )
                & ( $true
                 != ( X2 @ X5 ) ) )
             => ( ( ( X0 @ X5 )
                  = $true )
                & ( $true
                 != ( X1 @ X5 ) ) ) )
        <=> ! [X6: a] :
              ( ( $true
                = ( X1 @ X6 ) )
             => ( $true
                = ( X2 @ X6 ) ) ) ) ),
    inference(flattening,[status(thm)],[f5]) ).

thf(f5,plain,
    ~ ! [X0: a > $o,X1: a > $o,X2: a > $o] :
        ( ( ! [X3: a] :
              ( ( ( X2 @ X3 )
                = $true )
             => ( ( X0 @ X3 )
                = $true ) )
          & ! [X4: a] :
              ( ( ( X1 @ X4 )
                = $true )
             => ( $true
                = ( X0 @ X4 ) ) ) )
       => ( ! [X5: a] :
              ( ( ( $true
                 != ( X2 @ X5 ) )
                & ( ( X0 @ X5 )
                  = $true )
                & ( $true
                  = ( X1 @ X5 ) ) )
             => ( ( ( X0 @ X5 )
                  = $true )
                & ( $true
                 != ( X1 @ X5 ) ) ) )
        <=> ! [X6: a] :
              ( ( $true
                = ( X1 @ X6 ) )
             => ( $true
                = ( X2 @ X6 ) ) ) ) ),
    inference(fool_elimination,[status(thm)],[f4]) ).

thf(f4,plain,
    ~ ! [X0: a > $o,X1: a > $o,X2: a > $o] :
        ( ( ! [X3: a] :
              ( ( X2 @ X3 )
             => ( X0 @ X3 ) )
          & ! [X4: a] :
              ( ( X1 @ X4 )
             => ( X0 @ X4 ) ) )
       => ( ! [X5: a] :
              ( ( ~ ( X2 @ X5 )
                & ( X0 @ X5 )
                & ( X1 @ X5 ) )
             => ( ( X0 @ X5 )
                & ~ ( X1 @ X5 ) ) )
        <=> ! [X6: a] :
              ( ( X1 @ X6 )
             => ( X2 @ X6 ) ) ) ),
    inference(rectify,[status(thm)],[f2]) ).

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

thf(f1,conjecture,
    ! [X2: a > $o,X0: a > $o,X1: a > $o] :
      ( ( ! [X3: a] :
            ( ( X1 @ X3 )
           => ( X2 @ X3 ) )
        & ! [X3: a] :
            ( ( X0 @ X3 )
           => ( X2 @ X3 ) ) )
     => ( ! [X3: a] :
            ( ( ~ ( X1 @ X3 )
              & ( X2 @ X3 )
              & ( X0 @ X3 ) )
           => ( ( X2 @ X3 )
              & ~ ( X0 @ X3 ) ) )
      <=> ! [X3: a] :
            ( ( X0 @ X3 )
           => ( X1 @ X3 ) ) ) ),
    file('/export/starexec/sandbox2/tmp/tmp.PkmVggdLr1/DTF2THF_22762.p',cGAZING_THM35_pme) ).

thf(f30,plain,
    ! [X0: a] :
      ( ( $true
       != ( sK1 @ X0 ) )
      | ( ( sK2 @ X0 )
        = $true )
      | ( $true
       != ( sK0 @ X0 ) ) ),
    inference(duplicate_literal_removal,[status(thm)],[f29]) ).

thf(f29,plain,
    ! [X0: a] :
      ( ( $true
       != ( sK0 @ X0 ) )
      | ( $true
       != ( sK0 @ X0 ) )
      | ( $true
       != ( sK1 @ X0 ) )
      | ( ( sK2 @ X0 )
        = $true ) ),
    inference(condensation,[status(thm)],[f28]) ).

thf(f28,plain,
    ! [X6: a,X5: a] :
      ( ( ( sK2 @ X5 )
        = $true )
      | ( $true
       != ( sK0 @ X5 ) )
      | ( $true
       != ( sK0 @ X6 ) )
      | ( $true
       != ( sK1 @ X6 ) )
      | ( ( sK2 @ X6 )
        = $true ) ),
    inference(duplicate_literal_removal,[status(thm)],[f18]) ).

thf(f18,plain,
    ! [X6: a,X5: a] :
      ( ( $true
       != ( sK0 @ X6 ) )
      | ( $true
       != ( sK0 @ X5 ) )
      | ( $true
       != ( sK1 @ X6 ) )
      | ( ( sK2 @ X5 )
        = $true )
      | ( ( sK2 @ X6 )
        = $true )
      | ( $true
       != ( sK0 @ X6 ) ) ),
    inference(cnf_transformation,[status(thm)],[f15]) ).

thf(f65,plain,
    ( ~ spl5_2
    | spl5_5 ),
    inference(avatar_contradiction_clause,[status(thm)],[f64]) ).

thf(f64,plain,
    ( $false
    | ~ spl5_2
    | spl5_5 ),
    inference(subsumption_resolution,[status(thm)],[f63,f51]) ).

thf(f51,plain,
    ( ( $true
     != ( sK2 @ sK3 ) )
    | spl5_5 ),
    inference(avatar_component_clause,[status(thm)],[f49]) ).

thf(f49,definition,
    ( spl5_5
  <=> ( $true
      = ( sK2 @ sK3 ) ) ),
    introduced(definition,[new_symbols(naming,[spl5_5])],[avatar_definition]) ).

thf(f63,plain,
    ( ( $true
      = ( sK2 @ sK3 ) )
    | ~ spl5_2 ),
    inference(trivial_inequality_removal,[status(thm)],[f62]) ).

thf(f62,plain,
    ( ( $true != $true )
    | ( $true
      = ( sK2 @ sK3 ) )
    | ~ spl5_2 ),
    inference(superposition,[status(thm)],[f59,f38]) ).

thf(f38,plain,
    ( ( $true
      = ( sK0 @ sK3 ) )
    | ~ spl5_2 ),
    inference(avatar_component_clause,[status(thm)],[f36]) ).

thf(f36,definition,
    ( spl5_2
  <=> ( $true
      = ( sK0 @ sK3 ) ) ),
    introduced(definition,[new_symbols(naming,[spl5_2])],[avatar_definition]) ).

thf(f58,plain,
    ( spl5_2
    | spl5_3 ),
    inference(avatar_split_clause,[status(thm)],[f20,f40,f36]) ).

thf(f20,plain,
    ( ( $true
      = ( sK0 @ sK3 ) )
    | ( $true
      = ( sK0 @ sK4 ) ) ),
    inference(cnf_transformation,[status(thm)],[f15]) ).

thf(f57,plain,
    ( spl5_1
    | ~ spl5_5 ),
    inference(avatar_split_clause,[status(thm)],[f27,f49,f32]) ).

thf(f32,definition,
    ( spl5_1
  <=> ( $true
      = ( sK1 @ sK4 ) ) ),
    introduced(definition,[new_symbols(naming,[spl5_1])],[avatar_definition]) ).

thf(f27,plain,
    ( ( $true
     != ( sK2 @ sK3 ) )
    | ( $true
      = ( sK1 @ sK4 ) ) ),
    inference(cnf_transformation,[status(thm)],[f15]) ).

thf(f56,plain,
    ( ~ spl5_4
    | spl5_2 ),
    inference(avatar_split_clause,[status(thm)],[f22,f36,f45]) ).

thf(f22,plain,
    ( ( $true
      = ( sK0 @ sK3 ) )
    | ( $true
     != ( sK2 @ sK4 ) ) ),
    inference(cnf_transformation,[status(thm)],[f15]) ).

thf(f55,plain,
    ( ~ spl5_5
    | spl5_3
    | ~ spl5_1 ),
    inference(avatar_split_clause,[status(thm)],[f25,f32,f40,f49]) ).

thf(f25,plain,
    ( ( $true
      = ( sK0 @ sK4 ) )
    | ( $true
     != ( sK2 @ sK3 ) )
    | ( $true
     != ( sK1 @ sK4 ) ) ),
    inference(cnf_transformation,[status(thm)],[f15]) ).

thf(f52,plain,
    ( ~ spl5_4
    | ~ spl5_5 ),
    inference(avatar_split_clause,[status(thm)],[f26,f49,f45]) ).

thf(f26,plain,
    ( ( $true
     != ( sK2 @ sK4 ) )
    | ( $true
     != ( sK2 @ sK3 ) ) ),
    inference(cnf_transformation,[status(thm)],[f15]) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.11  % Problem  : SEU853^5 : TPTP v9.2.1. Released v4.0.0.
% 0.12/0.13  % Command  : /export/starexec/sandbox2/solver/bin/run_DT2H2X /export/starexec/sandbox2/benchmark/theBenchmark.p 300
% 0.14/0.32  % Computer : n007.cluster.edu
% 0.14/0.32  % Model    : x86_64 x86_64
% 0.14/0.32  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.14/0.32  % Memory   : 8042.1875MB
% 0.14/0.32  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.14/0.32  % CPULimit : 300
% 0.14/0.32  % WCLimit  : 300
% 0.14/0.32  % DateTime : Tue Feb 24 12:34:53 EST 2026
% 0.14/0.32  % CPUTime  : 
% 0.14/0.32  Running /export/starexec/sandbox2/solver/bin/run_DT2H2X /export/starexec/sandbox2/benchmark/theBenchmark.p 300
% 0.18/0.44  ---- Original DTF file ---
% 0.18/0.44  thf(spec,logic,$$dhol).
% 0.18/0.44  %------------------------------------------------------------------------------
% 0.18/0.44  % File     : SEU853^5 : TPTP v9.2.1. Released v4.0.0.
% 0.18/0.44  % Domain   : Set Theory
% 0.18/0.44  % Problem  : TPS problem GAZING-THM35
% 0.18/0.44  % Version  : Especial.
% 0.18/0.44  % English  :
% 0.18/0.44  
% 0.18/0.44  % Refs     : [Bar92] Barker-Plummer D (1992), Gazing: An Approach to the Pr
% 0.18/0.44  %          : [Bro09] Brown (2009), Email to Geoff Sutcliffe
% 0.18/0.44  % Source   : [Bro09]
% 0.18/0.44  % Names    : tps_0396 [Bro09]
% 0.18/0.44  %          : 35 [Bar92]
% 0.18/0.44  %          : GAZING-THM35 [TPS]
% 0.18/0.44  
% 0.18/0.44  % Status   : Theorem
% 0.18/0.44  % 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 v6.1.0, 0.17 v6.0.0, 0.00 v5.3.0, 0.25 v5.2.0, 0.00 v4.0.0
% 0.18/0.44  % Syntax   : Number of formulae    :    2 (   0 unt;   1 typ;   0 def)
% 0.18/0.44  %            Number of atoms       :    0 (   0 equ;   0 cnn)
% 0.18/0.44  %            Maximal formula atoms :    0 (   0 avg)
% 0.18/0.44  %            Number of connectives :   23 (   2   ~;   0   |;   4   &;  11   @)
% 0.18/0.44  %                                         (   1 <=>;   5  =>;   0  <=;   0 <~>)
% 0.18/0.44  %            Maximal formula depth :   12 (  12 avg)
% 0.18/0.44  %            Number of types       :    2 (   1 usr)
% 0.18/0.44  %            Number of type conns  :    3 (   3   >;   0   *;   0   +;   0  <<)
% 0.18/0.44  %            Number of symbols     :    0 (   0 usr;   0 con; --- aty)
% 0.18/0.44  %            Number of variables   :    7 (   0   ^;   7   !;   0   ?;   7   :)
% 0.18/0.44  % SPC      : TH0_THM_NEQ_NAR
% 0.18/0.44  
% 0.18/0.44  % Comments : This problem is from the TPS library. Copyright (c) 2009 The TPS
% 0.18/0.44  %            project in the Department of Mathematical Sciences at Carnegie
% 0.18/0.44  %            Mellon University. Distributed under the Creative Commons copyleft
% 0.18/0.44  %            license: http://creativecommons.org/licenses/by-sa/3.0/
% 0.18/0.44  %          : Polymorphic definitions expanded.
% 0.18/0.44  %------------------------------------------------------------------------------
% 0.18/0.44  thf(a_type,type,
% 0.18/0.44      a: $tType ).
% 0.18/0.44  
% 0.18/0.44  thf(cGAZING_THM35_pme,conjecture,
% 0.18/0.44      ! [S: a > $o,T: a > $o,U: a > $o] :
% 0.18/0.44        ( ( ! [Xx: a] :
% 0.18/0.44              ( ( S @ Xx )
% 0.18/0.44             => ( U @ Xx ) )
% 0.18/0.44          & ! [Xx: a] :
% 0.18/0.44              ( ( T @ Xx )
% 0.18/0.44             => ( U @ Xx ) ) )
% 0.18/0.44       => ( ! [Xx: a] :
% 0.18/0.44              ( ( S @ Xx )
% 0.18/0.44             => ( T @ Xx ) )
% 0.18/0.44        <=> ! [Xx: a] :
% 0.18/0.44              ( ( ( S @ Xx )
% 0.18/0.44                & ( U @ Xx )
% 0.18/0.44                & ~ ( T @ Xx ) )
% 0.18/0.44             => ( ( U @ Xx )
% 0.18/0.44                & ~ ( S @ Xx ) ) ) ) ) ).
% 0.18/0.44  
% 0.18/0.44  %------------------------------------------------------------------------------
% 0.18/0.44  ------------------------
% 1.46/1.25  ---- Embedded in THF ---
% 1.46/1.25  %%% This output was generated by embedproblem, version 1.9.5 (library version 1.9).
% 1.46/1.25  %%% Generated on Tue Feb 24 12:34:54 EST 2026
% 1.46/1.25  %%% using '$$dhol' embedding, version 1.3.0.
% 1.46/1.25  %%% Logic specification used:
% 1.46/1.25  %%% thf(spec, logic, $$dhol).
% 1.46/1.25  
% 1.46/1.25  % SZS output start ListOfTHF for /export/starexec/sandbox2/tmp/tmp.PkmVggdLr1/DTF2DTF22762.p
% See solution above
% 1.46/1.25  ------------------------
% 1.46/1.26  ---- Cleaned THF ---
% 1.46/1.26  thf(a_type,type,
% 1.46/1.26      a: $tType ).
% 1.46/1.26  
% 1.46/1.26  thf(cGAZING_THM35_pme,conjecture,
% 1.46/1.26      ! [S: a > $o,T: a > $o,U: a > $o] :
% 1.46/1.26        ( ( ! [Xx: a] :
% 1.46/1.26              ( ( S @ Xx )
% 1.46/1.26             => ( U @ Xx ) )
% 1.46/1.26          & ! [Xx: a] :
% 1.46/1.26              ( ( T @ Xx )
% 1.46/1.26             => ( U @ Xx ) ) )
% 1.46/1.26       => ( ! [Xx: a] :
% 1.46/1.26              ( ( S @ Xx )
% 1.46/1.26             => ( T @ Xx ) )
% 1.46/1.26        <=> ! [Xx: a] :
% 1.46/1.26              ( ( ( S @ Xx )
% 1.46/1.26                & ( U @ Xx )
% 1.46/1.26                & ~ ( T @ Xx ) )
% 1.46/1.26             => ( ( U @ Xx )
% 1.46/1.26                & ~ ( S @ Xx ) ) ) ) ) ).
% 1.46/1.26  ------------------------
% 1.46/1.28  % (22985)lrs+1004_1:128_cond=on:e2e=on:sp=weighted_frequency:i=18:si=on:rtra=on_0 on DTF2THF_22762 for (2999ds/18Mi)
% 1.46/1.28  % (22982)lrs+10_1:1_au=on:inj=on:i=2:si=on:rtra=on_0 on DTF2THF_22762 for (2999ds/2Mi)
% 1.46/1.28  % (22982)Instruction limit reached!
% 1.46/1.28  % (22982)------------------------------
% 1.46/1.28  % (22982)Version: Vampire 4.8 (commit 7b44b1c2f on 2025-07-15 09:50:17 +0100)
% 1.46/1.28  % (22982)Termination reason: Unknown
% 1.46/1.28  % (22982)Termination phase: Saturation
% 1.46/1.28  
% 1.46/1.28  % (22982)Memory used [KB]: 5500
% 1.46/1.28  % (22982)Time elapsed: 0.002 s
% 1.46/1.28  % (22982)Instructions burned: 2 (million)
% 1.46/1.28  % (22982)------------------------------
% 1.46/1.28  % (22982)------------------------------
% 1.46/1.28  % (22985)First to succeed.
% 1.46/1.28  % (22985)Refutation found. Thanks to Tanya!
% 1.46/1.28  % SZS status Theorem for DTF2THF_22762
% 1.46/1.28  % SZS output start Proof for DTF2THF_22762
% 1.46/1.28  thf(type_def_5, type, a: $tType).
% 1.46/1.28  thf(func_def_0, type, a: $tType).
% 1.46/1.28  thf(func_def_4, type, sK0: a > $o).
% 1.46/1.28  thf(func_def_5, type, sK1: a > $o).
% 1.46/1.28  thf(func_def_6, type, sK2: a > $o).
% 1.46/1.28  thf(func_def_7, type, sK3: a).
% 1.46/1.28  thf(func_def_8, type, sK4: a).
% 1.46/1.28  thf(f72,plain,(
% 1.46/1.28    $false),
% 1.46/1.28    inference(avatar_sat_refutation,[status(thm)],[f52,f55,f56,f57,f58,f65,f71])).
% 1.46/1.28  thf(f71,plain,(
% 1.46/1.28    ~spl5_3 | spl5_4),
% 1.46/1.28    inference(avatar_contradiction_clause,[status(thm)],[f70])).
% 1.46/1.28  thf(f70,plain,(
% 1.46/1.28    $false | (~spl5_3 | spl5_4)),
% 1.46/1.28    inference(subsumption_resolution,[status(thm)],[f68,f47])).
% 1.46/1.28  thf(f47,plain,(
% 1.46/1.28    ($true != (sK2 @ sK4)) | spl5_4),
% 1.46/1.28    inference(avatar_component_clause,[status(thm)],[f45])).
% 1.46/1.28  thf(f45,definition,(
% 1.46/1.28    spl5_4 <=> ($true = (sK2 @ sK4))),
% 1.46/1.28    introduced(definition,[new_symbols(naming,[spl5_4])],[avatar_definition])).
% 1.46/1.28  thf(f68,plain,(
% 1.46/1.28    ($true = (sK2 @ sK4)) | ~spl5_3),
% 1.46/1.28    inference(trivial_inequality_removal,[status(thm)],[f66])).
% 1.46/1.28  thf(f66,plain,(
% 1.46/1.28    ($true != $true) | ($true = (sK2 @ sK4)) | ~spl5_3),
% 1.46/1.28    inference(superposition,[status(thm)],[f59,f42])).
% 1.46/1.28  thf(f42,plain,(
% 1.46/1.28    ($true = (sK0 @ sK4)) | ~spl5_3),
% 1.46/1.28    inference(avatar_component_clause,[status(thm)],[f40])).
% 1.46/1.28  thf(f40,definition,(
% 1.46/1.28    spl5_3 <=> ($true = (sK0 @ sK4))),
% 1.46/1.28    introduced(definition,[new_symbols(naming,[spl5_3])],[avatar_definition])).
% 1.46/1.28  thf(f59,plain,(
% 1.46/1.28    ( ! [X0 : a] : (($true != (sK0 @ X0)) | ((sK2 @ X0) = $true)) )),
% 1.46/1.28    inference(subsumption_resolution,[status(thm)],[f30,f17])).
% 1.46/1.28  thf(f17,plain,(
% 1.46/1.28    ( ! [X7 : a] : (((sK0 @ X7) != $true) | ($true = (sK1 @ X7))) )),
% 1.46/1.28    inference(cnf_transformation,[status(thm)],[f15])).
% 1.46/1.28  thf(f15,plain,(
% 1.46/1.28    ((($true != (sK2 @ sK3)) & ($true = (sK0 @ sK3))) | (($true = (sK1 @ sK4)) & ($true != (sK2 @ sK4)) & (($true != (sK1 @ sK4)) | ($true = (sK0 @ sK4))) & ($true = (sK0 @ sK4)))) & (! [X5 : a] : (((sK2 @ X5) = $true) | ($true != (sK0 @ X5))) | ! [X6 : a] : (($true != (sK1 @ X6)) | ((sK2 @ X6) = $true) | (($true = (sK1 @ X6)) & ($true != (sK0 @ X6))) | ($true != (sK0 @ X6)))) & ! [X7 : a] : (($true = (sK1 @ X7)) | ((sK0 @ X7) != $true)) & ! [X8 : a] : (($true != (sK2 @ X8)) | ($true = (sK1 @ X8)))),
% 1.46/1.28    inference(skolemisation,[status(esa),new_symbols(skolem,[sK0,sK1,sK2,sK3,sK4])],[f11,f14,f13,f12])).
% 1.46/1.28  thf(f12,plain,(
% 1.46/1.28    ? [X0 : a > $o,X1 : a > $o,X2 : a > $o] : ((? [X3 : a] : (((X2 @ X3) != $true) & ((X0 @ X3) = $true)) | ? [X4 : a] : (((X1 @ X4) = $true) & ((X2 @ X4) != $true) & (((X1 @ X4) != $true) | ($true = (X0 @ X4))) & ($true = (X0 @ X4)))) & (! [X5 : a] : (($true = (X2 @ X5)) | ((X0 @ X5) != $true)) | ! [X6 : a] : (($true != (X1 @ X6)) | ($true = (X2 @ X6)) | (($true = (X1 @ X6)) & ((X0 @ X6) != $true)) | ((X0 @ X6) != $true))) & ! [X7 : a] : (($true = (X1 @ X7)) | ($true != (X0 @ X7))) & ! [X8 : a] : (($true != (X2 @ X8)) | ((X1 @ X8) = $true))) => ((? [X3 : a] : (($true != (sK2 @ X3)) & ((sK0 @ X3) = $true)) | ? [X4 : a] : (((sK1 @ X4) = $true) & ($true != (sK2 @ X4)) & (((sK1 @ X4) != $true) | ($true = (sK0 @ X4))) & ($true = (sK0 @ X4)))) & (! [X5 : a] : (((sK2 @ X5) = $true) | ($true != (sK0 @ X5))) | ! [X6 : a] : (($true != (sK1 @ X6)) | ((sK2 @ X6) = $true) | (($true = (sK1 @ X6)) & ($true != (sK0 @ X6))) | ($true != (sK0 @ X6)))) & ! [X7 : a] : (($true = (sK1 @ X7)) | ((sK0 @ X7) != $true)) & ! [X8 : a] : (($true != (sK2 @ X8)) | ($true = (sK1 @ X8))))),
% 1.46/1.28    introduced(definition,[],[choice_axiom])).
% 1.46/1.28  thf(f13,plain,(
% 1.46/1.28    ? [X3 : a] : (($true != (sK2 @ X3)) & ((sK0 @ X3) = $true)) => (($true != (sK2 @ sK3)) & ($true = (sK0 @ sK3)))),
% 1.46/1.28    introduced(definition,[],[choice_axiom])).
% 1.46/1.28  thf(f14,plain,(
% 1.46/1.28    ? [X4 : a] : (((sK1 @ X4) = $true) & ($true != (sK2 @ X4)) & (((sK1 @ X4) != $true) | ($true = (sK0 @ X4))) & ($true = (sK0 @ X4))) => (($true = (sK1 @ sK4)) & ($true != (sK2 @ sK4)) & (($true != (sK1 @ sK4)) | ($true = (sK0 @ sK4))) & ($true = (sK0 @ sK4)))),
% 1.46/1.28    introduced(definition,[],[choice_axiom])).
% 1.46/1.28  thf(f11,plain,(
% 1.46/1.28    ? [X0 : a > $o,X1 : a > $o,X2 : a > $o] : ((? [X3 : a] : (((X2 @ X3) != $true) & ((X0 @ X3) = $true)) | ? [X4 : a] : (((X1 @ X4) = $true) & ((X2 @ X4) != $true) & (((X1 @ X4) != $true) | ($true = (X0 @ X4))) & ($true = (X0 @ X4)))) & (! [X5 : a] : (($true = (X2 @ X5)) | ((X0 @ X5) != $true)) | ! [X6 : a] : (($true != (X1 @ X6)) | ($true = (X2 @ X6)) | (($true = (X1 @ X6)) & ((X0 @ X6) != $true)) | ((X0 @ X6) != $true))) & ! [X7 : a] : (($true = (X1 @ X7)) | ($true != (X0 @ X7))) & ! [X8 : a] : (($true != (X2 @ X8)) | ((X1 @ X8) = $true)))),
% 1.46/1.28    inference(rectify,[status(thm)],[f10])).
% 1.46/1.28  thf(f10,plain,(
% 1.46/1.28    ? [X1 : a > $o,X0 : a > $o,X2 : a > $o] : ((? [X6 : a] : (($true != (X2 @ X6)) & ($true = (X1 @ X6))) | ? [X5 : a] : (((X0 @ X5) = $true) & ($true != (X2 @ X5)) & (((X0 @ X5) != $true) | ($true = (X1 @ X5))) & ($true = (X1 @ X5)))) & (! [X6 : a] : (($true = (X2 @ X6)) | ($true != (X1 @ X6))) | ! [X5 : a] : (((X0 @ X5) != $true) | ($true = (X2 @ X5)) | (((X0 @ X5) = $true) & ($true != (X1 @ X5))) | ($true != (X1 @ X5)))) & ! [X4 : a] : (($true = (X0 @ X4)) | ((X1 @ X4) != $true)) & ! [X3 : a] : (((X2 @ X3) != $true) | ((X0 @ X3) = $true)))),
% 1.46/1.28    inference(flattening,[status(thm)],[f9])).
% 1.46/1.28  thf(f9,plain,(
% 1.46/1.28    ? [X1 : a > $o,X0 : a > $o,X2 : a > $o] : (((? [X6 : a] : (($true != (X2 @ X6)) & ($true = (X1 @ X6))) | ? [X5 : a] : (((X0 @ X5) = $true) & ($true != (X2 @ X5)) & (((X0 @ X5) != $true) | ($true = (X1 @ X5))) & ($true = (X1 @ X5)))) & (! [X6 : a] : (($true = (X2 @ X6)) | ($true != (X1 @ X6))) | ! [X5 : a] : (((X0 @ X5) != $true) | ($true = (X2 @ X5)) | (((X0 @ X5) = $true) & ($true != (X1 @ X5))) | ($true != (X1 @ X5))))) & ! [X4 : a] : (($true = (X0 @ X4)) | ((X1 @ X4) != $true)) & ! [X3 : a] : (((X2 @ X3) != $true) | ((X0 @ X3) = $true)))),
% 1.46/1.28    inference(nnf_transformation,[status(thm)],[f8])).
% 1.46/1.28  thf(f8,plain,(
% 1.46/1.28    ? [X1 : a > $o,X0 : a > $o,X2 : a > $o] : ((! [X5 : a] : (((X0 @ X5) != $true) | ($true = (X2 @ X5)) | (((X0 @ X5) = $true) & ($true != (X1 @ X5))) | ($true != (X1 @ X5))) <~> ! [X6 : a] : (($true = (X2 @ X6)) | ($true != (X1 @ X6)))) & ! [X4 : a] : (($true = (X0 @ X4)) | ((X1 @ X4) != $true)) & ! [X3 : a] : (((X2 @ X3) != $true) | ((X0 @ X3) = $true)))),
% 1.46/1.28    inference(flattening,[status(thm)],[f7])).
% 1.46/1.28  thf(f7,plain,(
% 1.46/1.28    ? [X2 : a > $o,X1 : a > $o,X0 : a > $o] : ((! [X5 : a] : ((((X0 @ X5) = $true) & ($true != (X1 @ X5))) | (((X0 @ X5) != $true) | ($true != (X1 @ X5)) | ($true = (X2 @ X5)))) <~> ! [X6 : a] : (($true = (X2 @ X6)) | ($true != (X1 @ X6)))) & (! [X3 : a] : (((X2 @ X3) != $true) | ((X0 @ X3) = $true)) & ! [X4 : a] : (($true = (X0 @ X4)) | ((X1 @ X4) != $true))))),
% 1.46/1.28    inference(ennf_transformation,[status(thm)],[f6])).
% 1.46/1.28  thf(f6,plain,(
% 1.46/1.28    ~! [X2 : a > $o,X1 : a > $o,X0 : a > $o] : ((! [X3 : a] : (((X2 @ X3) = $true) => ((X0 @ X3) = $true)) & ! [X4 : a] : (((X1 @ X4) = $true) => ($true = (X0 @ X4)))) => (! [X5 : a] : ((((X0 @ X5) = $true) & ($true = (X1 @ X5)) & ($true != (X2 @ X5))) => (((X0 @ X5) = $true) & ($true != (X1 @ X5)))) <=> ! [X6 : a] : (($true = (X1 @ X6)) => ($true = (X2 @ X6)))))),
% 1.46/1.28    inference(flattening,[status(thm)],[f5])).
% 1.46/1.28  thf(f5,plain,(
% 1.46/1.28    ~! [X0 : a > $o,X1 : a > $o,X2 : a > $o] : ((! [X3 : a] : (((X2 @ X3) = $true) => ((X0 @ X3) = $true)) & ! [X4 : a] : (((X1 @ X4) = $true) => ($true = (X0 @ X4)))) => (! [X5 : a] : ((~($true = (X2 @ X5)) & ((X0 @ X5) = $true) & ($true = (X1 @ X5))) => (((X0 @ X5) = $true) & ~($true = (X1 @ X5)))) <=> ! [X6 : a] : (($true = (X1 @ X6)) => ($true = (X2 @ X6)))))),
% 1.46/1.28    inference(fool_elimination,[status(thm)],[f4])).
% 1.46/1.28  thf(f4,plain,(
% 1.46/1.28    ~! [X0 : a > $o,X1 : a > $o,X2 : a > $o] : ((! [X3 : a] : ((X2 @ X3) => (X0 @ X3)) & ! [X4 : a] : ((X1 @ X4) => (X0 @ X4))) => (! [X5 : a] : ((~(X2 @ X5) & (X0 @ X5) & (X1 @ X5)) => ((X0 @ X5) & ~(X1 @ X5))) <=> ! [X6 : a] : ((X1 @ X6) => (X2 @ X6))))),
% 1.46/1.28    inference(rectify,[status(thm)],[f2])).
% 1.46/1.28  thf(f2,negated_conjecture,(
% 1.46/1.28    ~! [X2 : a > $o,X0 : a > $o,X1 : a > $o] : ((! [X3 : a] : ((X1 @ X3) => (X2 @ X3)) & ! [X3 : a] : ((X0 @ X3) => (X2 @ X3))) => (! [X3 : a] : ((~(X1 @ X3) & (X2 @ X3) & (X0 @ X3)) => ((X2 @ X3) & ~(X0 @ X3))) <=> ! [X3 : a] : ((X0 @ X3) => (X1 @ X3))))),
% 1.46/1.28    inference(negated_conjecture,[status(cth)],[f1])).
% 1.46/1.28  thf(f1,conjecture,(
% 1.46/1.28    ! [X2 : a > $o,X0 : a > $o,X1 : a > $o] : ((! [X3 : a] : ((X1 @ X3) => (X2 @ X3)) & ! [X3 : a] : ((X0 @ X3) => (X2 @ X3))) => (! [X3 : a] : ((~(X1 @ X3) & (X2 @ X3) & (X0 @ X3)) => ((X2 @ X3) & ~(X0 @ X3))) <=> ! [X3 : a] : ((X0 @ X3) => (X1 @ X3))))),
% 1.46/1.28    file('/export/starexec/sandbox2/tmp/tmp.PkmVggdLr1/DTF2THF_22762.p',cGAZING_THM35_pme)).
% 1.46/1.28  thf(f30,plain,(
% 1.46/1.28    ( ! [X0 : a] : (($true != (sK1 @ X0)) | ((sK2 @ X0) = $true) | ($true != (sK0 @ X0))) )),
% 1.46/1.28    inference(duplicate_literal_removal,[status(thm)],[f29])).
% 1.46/1.28  thf(f29,plain,(
% 1.46/1.28    ( ! [X0 : a] : (($true != (sK0 @ X0)) | ($true != (sK0 @ X0)) | ($true != (sK1 @ X0)) | ((sK2 @ X0) = $true)) )),
% 1.46/1.28    inference(condensation,[status(thm)],[f28])).
% 1.46/1.28  thf(f28,plain,(
% 1.46/1.28    ( ! [X6 : a,X5 : a] : (((sK2 @ X5) = $true) | ($true != (sK0 @ X5)) | ($true != (sK0 @ X6)) | ($true != (sK1 @ X6)) | ((sK2 @ X6) = $true)) )),
% 1.46/1.28    inference(duplicate_literal_removal,[status(thm)],[f18])).
% 1.46/1.28  thf(f18,plain,(
% 1.46/1.28    ( ! [X6 : a,X5 : a] : (($true != (sK0 @ X6)) | ($true != (sK0 @ X5)) | ($true != (sK1 @ X6)) | ((sK2 @ X5) = $true) | ((sK2 @ X6) = $true) | ($true != (sK0 @ X6))) )),
% 1.46/1.28    inference(cnf_transformation,[status(thm)],[f15])).
% 1.46/1.28  thf(f65,plain,(
% 1.46/1.28    ~spl5_2 | spl5_5),
% 1.46/1.28    inference(avatar_contradiction_clause,[status(thm)],[f64])).
% 1.46/1.28  thf(f64,plain,(
% 1.46/1.28    $false | (~spl5_2 | spl5_5)),
% 1.46/1.28    inference(subsumption_resolution,[status(thm)],[f63,f51])).
% 1.46/1.28  thf(f51,plain,(
% 1.46/1.28    ($true != (sK2 @ sK3)) | spl5_5),
% 1.46/1.28    inference(avatar_component_clause,[status(thm)],[f49])).
% 1.46/1.28  thf(f49,definition,(
% 1.46/1.28    spl5_5 <=> ($true = (sK2 @ sK3))),
% 1.46/1.28    introduced(definition,[new_symbols(naming,[spl5_5])],[avatar_definition])).
% 1.46/1.28  thf(f63,plain,(
% 1.46/1.28    ($true = (sK2 @ sK3)) | ~spl5_2),
% 1.46/1.28    inference(trivial_inequality_removal,[status(thm)],[f62])).
% 1.46/1.28  thf(f62,plain,(
% 1.46/1.28    ($true != $true) | ($true = (sK2 @ sK3)) | ~spl5_2),
% 1.46/1.28    inference(superposition,[status(thm)],[f59,f38])).
% 1.46/1.28  thf(f38,plain,(
% 1.46/1.28    ($true = (sK0 @ sK3)) | ~spl5_2),
% 1.46/1.28    inference(avatar_component_clause,[status(thm)],[f36])).
% 1.46/1.28  thf(f36,definition,(
% 1.46/1.28    spl5_2 <=> ($true = (sK0 @ sK3))),
% 1.46/1.28    introduced(definition,[new_symbols(naming,[spl5_2])],[avatar_definition])).
% 1.46/1.28  thf(f58,plain,(
% 1.46/1.28    spl5_2 | spl5_3),
% 1.46/1.28    inference(avatar_split_clause,[status(thm)],[f20,f40,f36])).
% 1.46/1.28  thf(f20,plain,(
% 1.46/1.28    ($true = (sK0 @ sK3)) | ($true = (sK0 @ sK4))),
% 1.46/1.28    inference(cnf_transformation,[status(thm)],[f15])).
% 1.46/1.28  thf(f57,plain,(
% 1.46/1.28    spl5_1 | ~spl5_5),
% 1.46/1.28    inference(avatar_split_clause,[status(thm)],[f27,f49,f32])).
% 1.46/1.28  thf(f32,definition,(
% 1.46/1.28    spl5_1 <=> ($true = (sK1 @ sK4))),
% 1.46/1.28    introduced(definition,[new_symbols(naming,[spl5_1])],[avatar_definition])).
% 1.46/1.28  thf(f27,plain,(
% 1.46/1.28    ($true != (sK2 @ sK3)) | ($true = (sK1 @ sK4))),
% 1.46/1.28    inference(cnf_transformation,[status(thm)],[f15])).
% 1.46/1.28  thf(f56,plain,(
% 1.46/1.28    ~spl5_4 | spl5_2),
% 1.46/1.28    inference(avatar_split_clause,[status(thm)],[f22,f36,f45])).
% 1.46/1.28  thf(f22,plain,(
% 1.46/1.28    ($true = (sK0 @ sK3)) | ($true != (sK2 @ sK4))),
% 1.46/1.28    inference(cnf_transformation,[status(thm)],[f15])).
% 1.46/1.28  thf(f55,plain,(
% 1.46/1.28    ~spl5_5 | spl5_3 | ~spl5_1),
% 1.46/1.28    inference(avatar_split_clause,[status(thm)],[f25,f32,f40,f49])).
% 1.46/1.28  thf(f25,plain,(
% 1.46/1.28    ($true = (sK0 @ sK4)) | ($true != (sK2 @ sK3)) | ($true != (sK1 @ sK4))),
% 1.46/1.28    inference(cnf_transformation,[status(thm)],[f15])).
% 1.46/1.28  thf(f52,plain,(
% 1.46/1.28    ~spl5_4 | ~spl5_5),
% 1.46/1.28    inference(avatar_split_clause,[status(thm)],[f26,f49,f45])).
% 1.46/1.28  thf(f26,plain,(
% 1.46/1.28    ($true != (sK2 @ sK4)) | ($true != (sK2 @ sK3))),
% 1.46/1.28    inference(cnf_transformation,[status(thm)],[f15])).
% 1.46/1.28  % SZS output end Proof for DTF2THF_22762
% 1.46/1.28  % (22985)------------------------------
% 1.46/1.28  % (22985)Version: Vampire 4.8 (commit 7b44b1c2f on 2025-07-15 09:50:17 +0100)
% 1.46/1.28  % (22985)Termination reason: Refutation
% 1.46/1.28  
% 1.46/1.28  % (22985)Memory used [KB]: 5500
% 1.46/1.28  % (22985)Time elapsed: 0.004 s
% 1.46/1.28  % (22985)Instructions burned: 4 (million)
% 1.46/1.28  % (22985)------------------------------
% 1.46/1.28  % (22985)------------------------------
% 1.46/1.28  % (22978)Success in time 0.013 s
%------------------------------------------------------------------------------