↑ Up

DT2H2X---1.9.5.THM-Ref.s

View TPTP
Problem
Process solution in
SystemOnTSTP
Download .tgz
%------------------------------------------------------------------------------
% File     : DT2H2X---1.9.5
% Problem  : SEU854^5 : 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 : n005.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 1.30s 1.12s
% Output   : Refutation 1.30s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   16
%            Number of leaves      :   10
% Syntax   : Number of formulae    :   72 (   4 unt;   0 typ;   7 def)
%            Number of atoms       :  557 ( 170 equ;   0 cnn)
%            Maximal formula atoms :   20 (   7 avg)
%            Number of connectives :  660 ( 137   ~; 170   |;  68   &; 254   @)
%                                         (  11 <=>;  18  =>;   0  <=;   2 <~>)
%            Maximal formula depth :   12 (   5 avg)
%            Number of types       :    2 (   1 usr)
%            Number of type conns  :   30 (  30   >;   0   *;   0   +;   0  <<)
%            Number of symbols     :   16 (  13 usr;  11 con; 0-2 aty)
%            Number of variables   :  109 (  26   ^;  59   !;  24   ?; 109   :)

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

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

thf(func_def_9,type,
    sK0: a > $o ).

thf(func_def_10,type,
    sK1: a > $o ).

thf(func_def_11,type,
    sK2: a > $o ).

thf(func_def_12,type,
    sK3: a ).

thf(func_def_14,type,
    ph5: 
      !>[X0: $tType] : X0 ).

thf(func_def_15,type,
    sK6: a ).

thf(f147,plain,
    $false,
    inference(avatar_sat_refutation,[status(thm)],[f26,f31,f36,f86,f114,f119,f129,f146]) ).

thf(f146,plain,
    ( ~ spl4_1
    | ~ spl4_8
    | ~ spl4_9 ),
    inference(avatar_contradiction_clause,[status(thm)],[f145]) ).

thf(f145,plain,
    ( $false
    | ~ spl4_1
    | ~ spl4_8
    | ~ spl4_9 ),
    inference(subsumption_resolution,[status(thm)],[f141,f113]) ).

thf(f113,plain,
    ( ( $true
      = ( sK1 @ sK6 ) )
    | ~ spl4_8 ),
    inference(avatar_component_clause,[status(thm)],[f111]) ).

thf(f111,definition,
    ( spl4_8
  <=> ( $true
      = ( sK1 @ sK6 ) ) ),
    introduced(definition,[new_symbols(naming,[spl4_8])],[avatar_definition]) ).

thf(f141,plain,
    ( ( $true
     != ( sK1 @ sK6 ) )
    | ~ spl4_1
    | ~ spl4_9 ),
    inference(trivial_inequality_removal,[status(thm)],[f140]) ).

thf(f140,plain,
    ( ( $true
     != ( sK1 @ sK6 ) )
    | ( $false = $true )
    | ~ spl4_1
    | ~ spl4_9 ),
    inference(superposition,[status(thm)],[f21,f118]) ).

thf(f118,plain,
    ( ( $false
      = ( sK0 @ sK6 ) )
    | ~ spl4_9 ),
    inference(avatar_component_clause,[status(thm)],[f116]) ).

thf(f116,definition,
    ( spl4_9
  <=> ( $false
      = ( sK0 @ sK6 ) ) ),
    introduced(definition,[new_symbols(naming,[spl4_9])],[avatar_definition]) ).

thf(f21,plain,
    ( ! [X5: a] :
        ( ( $true
          = ( sK0 @ X5 ) )
        | ( $true
         != ( sK1 @ X5 ) ) )
    | ~ spl4_1 ),
    inference(avatar_component_clause,[status(thm)],[f20]) ).

thf(f20,definition,
    ( spl4_1
  <=> ! [X5: a] :
        ( ( $true
         != ( sK1 @ X5 ) )
        | ( $true
          = ( sK0 @ X5 ) ) ) ),
    introduced(definition,[new_symbols(naming,[spl4_1])],[avatar_definition]) ).

thf(f129,plain,
    ( spl4_2
    | ~ spl4_7 ),
    inference(avatar_contradiction_clause,[status(thm)],[f128]) ).

thf(f128,plain,
    ( $false
    | spl4_2
    | ~ spl4_7 ),
    inference(trivial_inequality_removal,[status(thm)],[f123]) ).

thf(f123,plain,
    ( ( $false = $true )
    | spl4_2
    | ~ spl4_7 ),
    inference(superposition,[status(thm)],[f105,f109]) ).

thf(f109,plain,
    ( ( $false
      = ( sK2 @ sK6 ) )
    | ~ spl4_7 ),
    inference(avatar_component_clause,[status(thm)],[f107]) ).

thf(f107,definition,
    ( spl4_7
  <=> ( $false
      = ( sK2 @ sK6 ) ) ),
    introduced(definition,[new_symbols(naming,[spl4_7])],[avatar_definition]) ).

thf(f105,plain,
    ( ( $true
      = ( sK2 @ sK6 ) )
    | spl4_2 ),
    inference(subsumption_resolution,[status(thm)],[f104,f18]) ).

thf(f18,plain,
    ! [X3: a] :
      ( ( $true
        = ( sK2 @ X3 ) )
      | ( $true
       != ( sK0 @ X3 ) ) ),
    inference(cnf_transformation,[status(thm)],[f13]) ).

thf(f13,plain,
    ( ! [X3: a] :
        ( ( $true
          = ( sK2 @ X3 ) )
        | ( $true
         != ( sK0 @ X3 ) ) )
    & ( ( ( ^ [Y0: a] :
              ( ( sK0 @ Y0 )
              | ( ~ ( sK1 @ Y0 )
                & ( sK2 @ Y0 ) ) ) )
       != sK2 )
      | ( ( $true
         != ( sK0 @ sK3 ) )
        & ( $true
          = ( sK1 @ sK3 ) ) ) )
    & ( ( ( ^ [Y0: a] :
              ( ( sK0 @ Y0 )
              | ( ~ ( sK1 @ Y0 )
                & ( sK2 @ Y0 ) ) ) )
        = sK2 )
      | ! [X5: a] :
          ( ( $true
            = ( sK0 @ X5 ) )
          | ( $true
           != ( sK1 @ X5 ) ) ) )
    & ! [X6: a] :
        ( ( $true
         != ( sK1 @ X6 ) )
        | ( $true
          = ( sK2 @ X6 ) ) ) ),
    inference(skolemisation,[status(esa),new_symbols(skolem,[sK0,sK1,sK2,sK3])],[f10,f12,f11]) ).

thf(f11,plain,
    ( ? [X0: a > $o,X1: a > $o,X2: a > $o] :
        ( ! [X3: a] :
            ( ( ( X2 @ X3 )
              = $true )
            | ( ( X0 @ X3 )
             != $true ) )
        & ( ( ( ^ [Y0: a] :
                  ( ( X0 @ Y0 )
                  | ( ~ ( X1 @ Y0 )
                    & ( X2 @ Y0 ) ) ) )
           != X2 )
          | ? [X4: a] :
              ( ( ( X0 @ X4 )
               != $true )
              & ( ( X1 @ X4 )
                = $true ) ) )
        & ( ( ( ^ [Y0: a] :
                  ( ( X0 @ Y0 )
                  | ( ~ ( X1 @ Y0 )
                    & ( X2 @ Y0 ) ) ) )
            = X2 )
          | ! [X5: a] :
              ( ( $true
                = ( X0 @ X5 ) )
              | ( $true
               != ( X1 @ X5 ) ) ) )
        & ! [X6: a] :
            ( ( $true
             != ( X1 @ X6 ) )
            | ( $true
              = ( X2 @ X6 ) ) ) )
   => ( ! [X3: a] :
          ( ( $true
            = ( sK2 @ X3 ) )
          | ( $true
           != ( sK0 @ X3 ) ) )
      & ( ( ( ^ [Y0: a] :
                ( ( sK0 @ Y0 )
                | ( ~ ( sK1 @ Y0 )
                  & ( sK2 @ Y0 ) ) ) )
         != sK2 )
        | ? [X4: a] :
            ( ( $true
             != ( sK0 @ X4 ) )
            & ( ( sK1 @ X4 )
              = $true ) ) )
      & ( ( ( ^ [Y0: a] :
                ( ( sK0 @ Y0 )
                | ( ~ ( sK1 @ Y0 )
                  & ( sK2 @ Y0 ) ) ) )
          = sK2 )
        | ! [X5: a] :
            ( ( $true
              = ( sK0 @ X5 ) )
            | ( $true
             != ( sK1 @ X5 ) ) ) )
      & ! [X6: a] :
          ( ( $true
           != ( sK1 @ X6 ) )
          | ( $true
            = ( sK2 @ X6 ) ) ) ) ),
    introduced(definition,[],[choice_axiom]) ).

thf(f12,plain,
    ( ? [X4: a] :
        ( ( $true
         != ( sK0 @ X4 ) )
        & ( ( sK1 @ X4 )
          = $true ) )
   => ( ( $true
       != ( sK0 @ sK3 ) )
      & ( $true
        = ( sK1 @ sK3 ) ) ) ),
    introduced(definition,[],[choice_axiom]) ).

thf(f10,plain,
    ? [X0: a > $o,X1: a > $o,X2: a > $o] :
      ( ! [X3: a] :
          ( ( ( X2 @ X3 )
            = $true )
          | ( ( X0 @ X3 )
           != $true ) )
      & ( ( ( ^ [Y0: a] :
                ( ( X0 @ Y0 )
                | ( ~ ( X1 @ Y0 )
                  & ( X2 @ Y0 ) ) ) )
         != X2 )
        | ? [X4: a] :
            ( ( ( X0 @ X4 )
             != $true )
            & ( ( X1 @ X4 )
              = $true ) ) )
      & ( ( ( ^ [Y0: a] :
                ( ( X0 @ Y0 )
                | ( ~ ( X1 @ Y0 )
                  & ( X2 @ Y0 ) ) ) )
          = X2 )
        | ! [X5: a] :
            ( ( $true
              = ( X0 @ X5 ) )
            | ( $true
             != ( X1 @ X5 ) ) ) )
      & ! [X6: a] :
          ( ( $true
           != ( X1 @ X6 ) )
          | ( $true
            = ( X2 @ X6 ) ) ) ),
    inference(rectify,[status(thm)],[f9]) ).

thf(f9,plain,
    ? [X0: a > $o,X1: a > $o,X2: a > $o] :
      ( ! [X4: a] :
          ( ( ( X2 @ X4 )
            = $true )
          | ( ( X0 @ X4 )
           != $true ) )
      & ( ( ( ^ [Y0: a] :
                ( ( X0 @ Y0 )
                | ( ~ ( X1 @ Y0 )
                  & ( X2 @ Y0 ) ) ) )
         != X2 )
        | ? [X5: a] :
            ( ( $true
             != ( X0 @ X5 ) )
            & ( $true
              = ( X1 @ X5 ) ) ) )
      & ( ( ( ^ [Y0: a] :
                ( ( X0 @ Y0 )
                | ( ~ ( X1 @ Y0 )
                  & ( X2 @ Y0 ) ) ) )
          = X2 )
        | ! [X5: a] :
            ( ( $true
              = ( X0 @ X5 ) )
            | ( $true
             != ( X1 @ X5 ) ) ) )
      & ! [X3: a] :
          ( ( ( X1 @ X3 )
           != $true )
          | ( ( X2 @ X3 )
            = $true ) ) ),
    inference(flattening,[status(thm)],[f8]) ).

thf(f8,plain,
    ? [X0: a > $o,X1: a > $o,X2: a > $o] :
      ( ! [X4: a] :
          ( ( ( X2 @ X4 )
            = $true )
          | ( ( X0 @ X4 )
           != $true ) )
      & ( ( ( ^ [Y0: a] :
                ( ( X0 @ Y0 )
                | ( ~ ( X1 @ Y0 )
                  & ( X2 @ Y0 ) ) ) )
         != X2 )
        | ? [X5: a] :
            ( ( $true
             != ( X0 @ X5 ) )
            & ( $true
              = ( X1 @ X5 ) ) ) )
      & ( ( ( ^ [Y0: a] :
                ( ( X0 @ Y0 )
                | ( ~ ( X1 @ Y0 )
                  & ( X2 @ Y0 ) ) ) )
          = X2 )
        | ! [X5: a] :
            ( ( $true
              = ( X0 @ X5 ) )
            | ( $true
             != ( X1 @ X5 ) ) ) )
      & ! [X3: a] :
          ( ( ( X1 @ X3 )
           != $true )
          | ( ( X2 @ X3 )
            = $true ) ) ),
    inference(nnf_transformation,[status(thm)],[f7]) ).

thf(f7,plain,
    ? [X0: a > $o,X1: a > $o,X2: a > $o] :
      ( ! [X4: a] :
          ( ( ( X2 @ X4 )
            = $true )
          | ( ( X0 @ X4 )
           != $true ) )
      & ( ! [X5: a] :
            ( ( $true
              = ( X0 @ X5 ) )
            | ( $true
             != ( X1 @ X5 ) ) )
      <~> ( ( ^ [Y0: a] :
                ( ( X0 @ Y0 )
                | ( ~ ( X1 @ Y0 )
                  & ( X2 @ Y0 ) ) ) )
          = X2 ) )
      & ! [X3: a] :
          ( ( ( X1 @ X3 )
           != $true )
          | ( ( X2 @ X3 )
            = $true ) ) ),
    inference(flattening,[status(thm)],[f6]) ).

thf(f6,plain,
    ? [X0: a > $o,X1: a > $o,X2: a > $o] :
      ( ( ! [X5: a] :
            ( ( $true
              = ( X0 @ X5 ) )
            | ( $true
             != ( X1 @ X5 ) ) )
      <~> ( ( ^ [Y0: a] :
                ( ( X0 @ Y0 )
                | ( ~ ( X1 @ Y0 )
                  & ( X2 @ Y0 ) ) ) )
          = X2 ) )
      & ! [X3: a] :
          ( ( ( X1 @ X3 )
           != $true )
          | ( ( X2 @ X3 )
            = $true ) )
      & ! [X4: a] :
          ( ( ( X2 @ X4 )
            = $true )
          | ( ( X0 @ X4 )
           != $true ) ) ),
    inference(ennf_transformation,[status(thm)],[f5]) ).

thf(f5,plain,
    ~ ! [X0: a > $o,X1: a > $o,X2: a > $o] :
        ( ( ! [X3: a] :
              ( ( ( X1 @ X3 )
                = $true )
             => ( ( X2 @ X3 )
                = $true ) )
          & ! [X4: a] :
              ( ( ( X0 @ X4 )
                = $true )
             => ( ( X2 @ X4 )
                = $true ) ) )
       => ( ! [X5: a] :
              ( ( $true
                = ( X1 @ X5 ) )
             => ( $true
                = ( X0 @ X5 ) ) )
        <=> ( ( ^ [Y0: a] :
                  ( ( X0 @ Y0 )
                  | ( ~ ( X1 @ Y0 )
                    & ( X2 @ Y0 ) ) ) )
            = X2 ) ) ),
    inference(fool_elimination,[status(thm)],[f4]) ).

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

thf(f2,negated_conjecture,
    ~ ! [X1: a > $o,X0: a > $o,X2: a > $o] :
        ( ( ! [X3: a] :
              ( ( X0 @ X3 )
             => ( X2 @ X3 ) )
          & ! [X3: a] :
              ( ( X1 @ X3 )
             => ( X2 @ X3 ) ) )
       => ( ! [X3: a] :
              ( ( X0 @ X3 )
             => ( X1 @ X3 ) )
        <=> ( X2
            = ( ^ [X4: a] :
                  ( ( ( X2 @ X4 )
                    & ~ ( X0 @ X4 ) )
                  | ( X1 @ X4 ) ) ) ) ) ),
    inference(negated_conjecture,[status(cth)],[f1]) ).

thf(f1,conjecture,
    ! [X1: a > $o,X0: a > $o,X2: a > $o] :
      ( ( ! [X3: a] :
            ( ( X0 @ X3 )
           => ( X2 @ X3 ) )
        & ! [X3: a] :
            ( ( X1 @ X3 )
           => ( X2 @ X3 ) ) )
     => ( ! [X3: a] :
            ( ( X0 @ X3 )
           => ( X1 @ X3 ) )
      <=> ( X2
          = ( ^ [X4: a] :
                ( ( ( X2 @ X4 )
                  & ~ ( X0 @ X4 ) )
                | ( X1 @ X4 ) ) ) ) ) ),
    file('/export/starexec/sandbox/tmp/tmp.PBLsnQ9ley/DTF2THF_29652.p',cGAZING_THM34_pme) ).

thf(f104,plain,
    ( ( $true
      = ( sK0 @ sK6 ) )
    | ( $true
      = ( sK2 @ sK6 ) )
    | spl4_2 ),
    inference(duplicate_literal_removal,[status(thm)],[f101]) ).

thf(f101,plain,
    ( ( $true
      = ( sK2 @ sK6 ) )
    | ( $true
      = ( sK0 @ sK6 ) )
    | ( $true
      = ( sK2 @ sK6 ) )
    | spl4_2 ),
    inference(binary_proxy_clausification,[status(thm)],[f100]) ).

thf(f100,plain,
    ( ( $true
      = ( sK0 @ sK6 ) )
    | ( $true
      = ( sK2 @ sK6 ) )
    | ( $true
      = ( ~ ( sK1 @ sK6 )
        & ( sK2 @ sK6 ) ) )
    | spl4_2 ),
    inference(binary_proxy_clausification,[status(thm)],[f93]) ).

thf(f93,plain,
    ( ( $true
      = ( sK2 @ sK6 ) )
    | ( $true
      = ( ( sK0 @ sK6 )
        | ( ~ ( sK1 @ sK6 )
          & ( sK2 @ sK6 ) ) ) )
    | spl4_2 ),
    inference(binary_proxy_clausification,[status(thm)],[f92]) ).

thf(f92,plain,
    ( ( ( ( sK0 @ sK6 )
        | ( ~ ( sK1 @ sK6 )
          & ( sK2 @ sK6 ) ) )
     != ( sK2 @ sK6 ) )
    | spl4_2 ),
    inference(beta_eta_normalization,[status(thm)],[f91]) ).

thf(f91,plain,
    ( ( ( ^ [Y0: a] :
            ( ( sK0 @ Y0 )
            | ( ~ ( sK1 @ Y0 )
              & ( sK2 @ Y0 ) ) )
        @ sK6 )
     != ( sK2 @ sK6 ) )
    | spl4_2 ),
    inference(negative_extensionality,[status(thm)],[f24]) ).

thf(f24,plain,
    ( ( ( ^ [Y0: a] :
            ( ( sK0 @ Y0 )
            | ( ~ ( sK1 @ Y0 )
              & ( sK2 @ Y0 ) ) ) )
     != sK2 )
    | spl4_2 ),
    inference(avatar_component_clause,[status(thm)],[f23]) ).

thf(f23,definition,
    ( spl4_2
  <=> ( ( ^ [Y0: a] :
            ( ( sK0 @ Y0 )
            | ( ~ ( sK1 @ Y0 )
              & ( sK2 @ Y0 ) ) ) )
      = sK2 ) ),
    introduced(definition,[new_symbols(naming,[spl4_2])],[avatar_definition]) ).

thf(f119,plain,
    ( spl4_9
    | spl4_7
    | spl4_2 ),
    inference(avatar_split_clause,[status(thm)],[f96,f23,f107,f116]) ).

thf(f96,plain,
    ( ( $false
      = ( sK0 @ sK6 ) )
    | ( $false
      = ( sK2 @ sK6 ) )
    | spl4_2 ),
    inference(binary_proxy_clausification,[status(thm)],[f94]) ).

thf(f94,plain,
    ( ( $false
      = ( sK2 @ sK6 ) )
    | ( $false
      = ( ( sK0 @ sK6 )
        | ( ~ ( sK1 @ sK6 )
          & ( sK2 @ sK6 ) ) ) )
    | spl4_2 ),
    inference(binary_proxy_clausification,[status(thm)],[f92]) ).

thf(f114,plain,
    ( spl4_7
    | spl4_8
    | spl4_2 ),
    inference(avatar_split_clause,[status(thm)],[f99,f23,f111,f107]) ).

thf(f99,plain,
    ( ( $false
      = ( sK2 @ sK6 ) )
    | ( $true
      = ( sK1 @ sK6 ) )
    | spl4_2 ),
    inference(not_proxy_clausification,[status(thm)],[f98]) ).

thf(f98,plain,
    ( ( $false
      = ( sK2 @ sK6 ) )
    | ( $false
      = ( ~ ( sK1 @ sK6 ) ) )
    | spl4_2 ),
    inference(duplicate_literal_removal,[status(thm)],[f97]) ).

thf(f97,plain,
    ( ( $false
      = ( sK2 @ sK6 ) )
    | ( $false
      = ( ~ ( sK1 @ sK6 ) ) )
    | ( $false
      = ( sK2 @ sK6 ) )
    | spl4_2 ),
    inference(binary_proxy_clausification,[status(thm)],[f95]) ).

thf(f95,plain,
    ( ( $false
      = ( ~ ( sK1 @ sK6 )
        & ( sK2 @ sK6 ) ) )
    | ( $false
      = ( sK2 @ sK6 ) )
    | spl4_2 ),
    inference(binary_proxy_clausification,[status(thm)],[f94]) ).

thf(f86,plain,
    ( ~ spl4_2
    | ~ spl4_3
    | spl4_4 ),
    inference(avatar_contradiction_clause,[status(thm)],[f85]) ).

thf(f85,plain,
    ( $false
    | ~ spl4_2
    | ~ spl4_3
    | spl4_4 ),
    inference(subsumption_resolution,[status(thm)],[f79,f30]) ).

thf(f30,plain,
    ( ( $true
      = ( sK1 @ sK3 ) )
    | ~ spl4_3 ),
    inference(avatar_component_clause,[status(thm)],[f28]) ).

thf(f28,definition,
    ( spl4_3
  <=> ( $true
      = ( sK1 @ sK3 ) ) ),
    introduced(definition,[new_symbols(naming,[spl4_3])],[avatar_definition]) ).

thf(f79,plain,
    ( ( $true
     != ( sK1 @ sK3 ) )
    | ~ spl4_2
    | ~ spl4_3
    | spl4_4 ),
    inference(trivial_inequality_removal,[status(thm)],[f76]) ).

thf(f76,plain,
    ( ( $false = $true )
    | ( $true
     != ( sK1 @ sK3 ) )
    | ~ spl4_2
    | ~ spl4_3
    | spl4_4 ),
    inference(superposition,[status(thm)],[f74,f14]) ).

thf(f14,plain,
    ! [X6: a] :
      ( ( $true
        = ( sK2 @ X6 ) )
      | ( $true
       != ( sK1 @ X6 ) ) ),
    inference(cnf_transformation,[status(thm)],[f13]) ).

thf(f74,plain,
    ( ( $false
      = ( sK2 @ sK3 ) )
    | ~ spl4_2
    | ~ spl4_3
    | spl4_4 ),
    inference(trivial_inequality_removal,[status(thm)],[f73]) ).

thf(f73,plain,
    ( ( $false
      = ( sK2 @ sK3 ) )
    | ( $false = $true )
    | ~ spl4_2
    | ~ spl4_3
    | spl4_4 ),
    inference(forward_demodulation,[status(thm)],[f71,f30]) ).

thf(f71,plain,
    ( ( $false
      = ( sK1 @ sK3 ) )
    | ( $false
      = ( sK2 @ sK3 ) )
    | ~ spl4_2
    | spl4_4 ),
    inference(trivial_inequality_removal,[status(thm)],[f68]) ).

thf(f68,plain,
    ( ( $false
      = ( sK2 @ sK3 ) )
    | ( $true != $true )
    | ( $false
      = ( sK1 @ sK3 ) )
    | ~ spl4_2
    | spl4_4 ),
    inference(superposition,[status(thm)],[f35,f44]) ).

thf(f44,plain,
    ( ! [X1: a] :
        ( ( $true
          = ( sK0 @ X1 ) )
        | ( $false
          = ( sK1 @ X1 ) )
        | ( $false
          = ( sK2 @ X1 ) ) )
    | ~ spl4_2 ),
    inference(not_proxy_clausification,[status(thm)],[f43]) ).

thf(f43,plain,
    ( ! [X1: a] :
        ( ( $false
          = ( sK2 @ X1 ) )
        | ( $true
          = ( ~ ( sK1 @ X1 ) ) )
        | ( $true
          = ( sK0 @ X1 ) ) )
    | ~ spl4_2 ),
    inference(binary_proxy_clausification,[status(thm)],[f41]) ).

thf(f41,plain,
    ( ! [X1: a] :
        ( ( $true
          = ( sK0 @ X1 ) )
        | ( $false
          = ( sK2 @ X1 ) )
        | ( $true
          = ( ~ ( sK1 @ X1 )
            & ( sK2 @ X1 ) ) ) )
    | ~ spl4_2 ),
    inference(binary_proxy_clausification,[status(thm)],[f40]) ).

thf(f40,plain,
    ( ! [X1: a] :
        ( ( $false
          = ( sK2 @ X1 ) )
        | ( $true
          = ( ( sK0 @ X1 )
            | ( ~ ( sK1 @ X1 )
              & ( sK2 @ X1 ) ) ) ) )
    | ~ spl4_2 ),
    inference(binary_proxy_clausification,[status(thm)],[f38]) ).

thf(f38,plain,
    ( ! [X1: a] :
        ( ( sK2 @ X1 )
        = ( ( sK0 @ X1 )
          | ( ~ ( sK1 @ X1 )
            & ( sK2 @ X1 ) ) ) )
    | ~ spl4_2 ),
    inference(beta_eta_normalization,[status(thm)],[f37]) ).

thf(f37,plain,
    ( ! [X1: a] :
        ( ( sK2 @ X1 )
        = ( ^ [Y0: a] :
              ( ( sK0 @ Y0 )
              | ( ~ ( sK1 @ Y0 )
                & ( sK2 @ Y0 ) ) )
          @ X1 ) )
    | ~ spl4_2 ),
    inference(argument_congruence,[status(thm)],[f25]) ).

thf(f25,plain,
    ( ( ( ^ [Y0: a] :
            ( ( sK0 @ Y0 )
            | ( ~ ( sK1 @ Y0 )
              & ( sK2 @ Y0 ) ) ) )
      = sK2 )
    | ~ spl4_2 ),
    inference(avatar_component_clause,[status(thm)],[f23]) ).

thf(f35,plain,
    ( ( $true
     != ( sK0 @ sK3 ) )
    | spl4_4 ),
    inference(avatar_component_clause,[status(thm)],[f33]) ).

thf(f33,definition,
    ( spl4_4
  <=> ( $true
      = ( sK0 @ sK3 ) ) ),
    introduced(definition,[new_symbols(naming,[spl4_4])],[avatar_definition]) ).

thf(f36,plain,
    ( ~ spl4_2
    | ~ spl4_4 ),
    inference(avatar_split_clause,[status(thm)],[f17,f33,f23]) ).

thf(f17,plain,
    ( ( $true
     != ( sK0 @ sK3 ) )
    | ( ( ^ [Y0: a] :
            ( ( sK0 @ Y0 )
            | ( ~ ( sK1 @ Y0 )
              & ( sK2 @ Y0 ) ) ) )
     != sK2 ) ),
    inference(cnf_transformation,[status(thm)],[f13]) ).

thf(f31,plain,
    ( ~ spl4_2
    | spl4_3 ),
    inference(avatar_split_clause,[status(thm)],[f16,f28,f23]) ).

thf(f16,plain,
    ( ( $true
      = ( sK1 @ sK3 ) )
    | ( ( ^ [Y0: a] :
            ( ( sK0 @ Y0 )
            | ( ~ ( sK1 @ Y0 )
              & ( sK2 @ Y0 ) ) ) )
     != sK2 ) ),
    inference(cnf_transformation,[status(thm)],[f13]) ).

thf(f26,plain,
    ( spl4_1
    | spl4_2 ),
    inference(avatar_split_clause,[status(thm)],[f15,f23,f20]) ).

thf(f15,plain,
    ! [X5: a] :
      ( ( ( ^ [Y0: a] :
              ( ( sK0 @ Y0 )
              | ( ~ ( sK1 @ Y0 )
                & ( sK2 @ Y0 ) ) ) )
        = sK2 )
      | ( $true
       != ( sK1 @ X5 ) )
      | ( $true
        = ( sK0 @ X5 ) ) ),
    inference(cnf_transformation,[status(thm)],[f13]) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.12  % Problem  : SEU854^5 : 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
% 0.15/0.33  % Computer : n005.cluster.edu
% 0.15/0.33  % Model    : x86_64 x86_64
% 0.15/0.33  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.15/0.33  % Memory   : 8042.1875MB
% 0.15/0.33  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.15/0.33  % CPULimit : 300
% 0.15/0.33  % WCLimit  : 300
% 0.15/0.33  % DateTime : Tue Feb 24 12:35:29 EST 2026
% 0.15/0.34  % CPUTime  : 
% 0.15/0.34  Running /export/starexec/sandbox/solver/bin/run_DT2H2X /export/starexec/sandbox/benchmark/theBenchmark.p 300
% 0.17/0.44  ---- Original DTF file ---
% 0.17/0.44  thf(spec,logic,$$dhol).
% 0.17/0.44  %------------------------------------------------------------------------------
% 0.17/0.44  % File     : SEU854^5 : TPTP v9.2.1. Released v4.0.0.
% 0.17/0.44  % Domain   : Set Theory
% 0.17/0.44  % Problem  : TPS problem GAZING-THM34
% 0.17/0.44  % Version  : Especial.
% 0.17/0.44  % English  :
% 0.17/0.44  
% 0.17/0.44  % Refs     : [Bar92] Barker-Plummer D (1992), Gazing: An Approach to the Pr
% 0.17/0.44  %          : [Bro09] Brown (2009), Email to Geoff Sutcliffe
% 0.17/0.44  % Source   : [Bro09]
% 0.17/0.44  % Names    : tps_0418 [Bro09]
% 0.17/0.44  %          : 34 [Bar92]
% 0.17/0.44  %          : GAZING-THM34 [TPS]
% 0.17/0.44  
% 0.17/0.44  % Status   : Theorem
% 0.17/0.44  % 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, 0.00 v6.1.0, 0.14 v5.5.0, 0.17 v5.4.0, 0.20 v5.3.0, 0.40 v5.2.0, 0.20 v4.1.0, 0.00 v4.0.1, 0.33 v4.0.0
% 0.17/0.44  % Syntax   : Number of formulae    :    2 (   1 unt;   1 typ;   0 def)
% 0.17/0.44  %            Number of atoms       :    1 (   1 equ;   0 cnn)
% 0.17/0.44  %            Maximal formula atoms :    1 (   1 avg)
% 0.17/0.44  %            Number of connectives :   18 (   1   ~;   1   |;   2   &;   9   @)
% 0.17/0.44  %                                         (   1 <=>;   4  =>;   0  <=;   0 <~>)
% 0.17/0.44  %            Maximal formula depth :    9 (   9 avg)
% 0.17/0.44  %            Number of types       :    2 (   1 usr)
% 0.17/0.44  %            Number of type conns  :    3 (   3   >;   0   *;   0   +;   0  <<)
% 0.17/0.44  %            Number of symbols     :    1 (   0 usr;   0 con; 2-2 aty)
% 0.17/0.44  %            Number of variables   :    7 (   1   ^;   6   !;   0   ?;   7   :)
% 0.17/0.44  % SPC      : TH0_THM_EQU_NAR
% 0.17/0.44  
% 0.17/0.44  % Comments : This problem is from the TPS library. Copyright (c) 2009 The TPS
% 0.17/0.44  %            project in the Department of Mathematical Sciences at Carnegie
% 0.17/0.44  %            Mellon University. Distributed under the Creative Commons copyleft
% 0.17/0.44  %            license: http://creativecommons.org/licenses/by-sa/3.0/
% 0.17/0.44  %          : Polymorphic definitions expanded.
% 0.17/0.44  %------------------------------------------------------------------------------
% 0.17/0.44  thf(a_type,type,
% 0.17/0.44      a: $tType ).
% 0.17/0.44  
% 0.17/0.44  thf(cGAZING_THM34_pme,conjecture,
% 0.17/0.44      ! [S: a > $o,T: a > $o,U: a > $o] :
% 0.17/0.44        ( ( ! [Xx: a] :
% 0.17/0.44              ( ( S @ Xx )
% 0.17/0.44             => ( U @ Xx ) )
% 0.17/0.44          & ! [Xx: a] :
% 0.17/0.44              ( ( T @ Xx )
% 0.17/0.44             => ( U @ Xx ) ) )
% 0.17/0.44       => ( ! [Xx: a] :
% 0.17/0.44              ( ( S @ Xx )
% 0.17/0.44             => ( T @ Xx ) )
% 0.17/0.44        <=> ( ( ^ [Xz: a] :
% 0.17/0.44                  ( ( ( U @ Xz )
% 0.17/0.44                    & ~ ( S @ Xz ) )
% 0.17/0.44                  | ( T @ Xz ) ) )
% 0.17/0.44            = U ) ) ) ).
% 0.17/0.44  
% 0.17/0.44  %------------------------------------------------------------------------------
% 0.17/0.44  ------------------------
% 1.12/1.10  ---- Embedded in THF ---
% 1.12/1.10  %%% This output was generated by embedproblem, version 1.9.5 (library version 1.9).
% 1.12/1.10  %%% Generated on Tue Feb 24 12:35:30 EST 2026
% 1.12/1.10  %%% using '$$dhol' embedding, version 1.3.0.
% 1.12/1.10  %%% Logic specification used:
% 1.12/1.10  %%% thf(spec, logic, $$dhol).
% 1.12/1.10  
% 1.12/1.10  % SZS output start ListOfTHF for /export/starexec/sandbox/tmp/tmp.PBLsnQ9ley/DTF2DTF29652.p
% See solution above
% 1.12/1.10  ------------------------
% 1.12/1.11  ---- Cleaned THF ---
% 1.12/1.11  thf(a_type,type,
% 1.12/1.11      a: $tType ).
% 1.12/1.11  
% 1.12/1.11  thf(cGAZING_THM34_pme,conjecture,
% 1.12/1.11      ! [S: a > $o,T: a > $o,U: a > $o] :
% 1.12/1.11        ( ( ! [Xx: a] :
% 1.12/1.11              ( ( S @ Xx )
% 1.12/1.11             => ( U @ Xx ) )
% 1.12/1.11          & ! [Xx: a] :
% 1.12/1.11              ( ( T @ Xx )
% 1.12/1.11             => ( U @ Xx ) ) )
% 1.12/1.11       => ( ! [Xx: a] :
% 1.12/1.11              ( ( S @ Xx )
% 1.12/1.11             => ( T @ Xx ) )
% 1.12/1.11        <=> ( ( ^ [Xz: a] :
% 1.12/1.11                  ( ( ( U @ Xz )
% 1.12/1.11                    & ~ ( S @ Xz ) )
% 1.12/1.11                  | ( T @ Xz ) ) )
% 1.12/1.11            = U ) ) ) ).
% 1.12/1.11  ------------------------
% 1.30/1.12  % (29783)lrs+1004_1:128_cond=on:e2e=on:sp=weighted_frequency:i=18:si=on:rtra=on_0 on DTF2THF_29652 for (3000ds/18Mi)
% 1.30/1.12  % (29780)lrs+10_1:1_au=on:inj=on:i=2:si=on:rtra=on_0 on DTF2THF_29652 for (3000ds/2Mi)
% 1.30/1.12  % (29781)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_29652 for (3000ds/2Mi)
% 1.30/1.12  % (29777)lrs+1002_1:8_bd=off:fd=off:hud=10:tnu=1:i=183:si=on:rtra=on_0 on DTF2THF_29652 for (3000ds/183Mi)
% 1.30/1.12  % (29782)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_29652 for (3000ds/275Mi)
% 1.30/1.12  % (29778)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_29652 for (3000ds/4Mi)
% 1.30/1.12  % (29779)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_29652 for (3000ds/27Mi)
% 1.30/1.12  % (29780)Instruction limit reached!
% 1.30/1.12  % (29780)------------------------------
% 1.30/1.12  % (29780)Version: Vampire 4.8 (commit 7b44b1c2f on 2025-07-15 09:50:17 +0100)
% 1.30/1.12  % (29780)Termination reason: Unknown
% 1.30/1.12  % (29780)Termination phase: Saturation
% 1.30/1.12  
% 1.30/1.12  % (29780)Memory used [KB]: 5500
% 1.30/1.12  % (29780)Time elapsed: 0.003 s
% 1.30/1.12  % (29780)Instructions burned: 2 (million)
% 1.30/1.12  % (29780)------------------------------
% 1.30/1.12  % (29780)------------------------------
% 1.30/1.12  % (29781)Instruction limit reached!
% 1.30/1.12  % (29781)------------------------------
% 1.30/1.12  % (29781)Version: Vampire 4.8 (commit 7b44b1c2f on 2025-07-15 09:50:17 +0100)
% 1.30/1.12  % (29781)Termination reason: Unknown
% 1.30/1.12  % (29781)Termination phase: Saturation
% 1.30/1.12  
% 1.30/1.12  % (29781)Memory used [KB]: 5500
% 1.30/1.12  % (29781)Time elapsed: 0.003 s
% 1.30/1.12  % (29781)Instructions burned: 3 (million)
% 1.30/1.12  % (29781)------------------------------
% 1.30/1.12  % (29781)------------------------------
% 1.30/1.12  % (29778)Instruction limit reached!
% 1.30/1.12  % (29778)------------------------------
% 1.30/1.12  % (29778)Version: Vampire 4.8 (commit 7b44b1c2f on 2025-07-15 09:50:17 +0100)
% 1.30/1.12  % (29778)Termination reason: Unknown
% 1.30/1.12  % (29778)Termination phase: Saturation
% 1.30/1.12  
% 1.30/1.12  % (29778)Memory used [KB]: 5500
% 1.30/1.12  % (29778)Time elapsed: 0.003 s
% 1.30/1.12  % (29778)Instructions burned: 4 (million)
% 1.30/1.12  % (29778)------------------------------
% 1.30/1.12  % (29778)------------------------------
% 1.30/1.12  % (29782)First to succeed.
% 1.30/1.12  % (29777)Also succeeded, but the first one will report.
% 1.30/1.12  % (29782)Refutation found. Thanks to Tanya!
% 1.30/1.12  % SZS status Theorem for DTF2THF_29652
% 1.30/1.12  % SZS output start Proof for DTF2THF_29652
% 1.30/1.12  thf(type_def_5, type, a: $tType).
% 1.30/1.12  thf(func_def_0, type, a: $tType).
% 1.30/1.12  thf(func_def_9, type, sK0: a > $o).
% 1.30/1.12  thf(func_def_10, type, sK1: a > $o).
% 1.30/1.12  thf(func_def_11, type, sK2: a > $o).
% 1.30/1.12  thf(func_def_12, type, sK3: a).
% 1.30/1.12  thf(func_def_14, type, ph5: !>[X0: $tType]:(X0)).
% 1.30/1.12  thf(func_def_15, type, sK6: a).
% 1.30/1.12  thf(f147,plain,(
% 1.30/1.12    $false),
% 1.30/1.12    inference(avatar_sat_refutation,[status(thm)],[f26,f31,f36,f86,f114,f119,f129,f146])).
% 1.30/1.12  thf(f146,plain,(
% 1.30/1.12    ~spl4_1 | ~spl4_8 | ~spl4_9),
% 1.30/1.12    inference(avatar_contradiction_clause,[status(thm)],[f145])).
% 1.30/1.12  thf(f145,plain,(
% 1.30/1.12    $false | (~spl4_1 | ~spl4_8 | ~spl4_9)),
% 1.30/1.12    inference(subsumption_resolution,[status(thm)],[f141,f113])).
% 1.30/1.12  thf(f113,plain,(
% 1.30/1.12    ($true = (sK1 @ sK6)) | ~spl4_8),
% 1.30/1.12    inference(avatar_component_clause,[status(thm)],[f111])).
% 1.30/1.12  thf(f111,definition,(
% 1.30/1.12    spl4_8 <=> ($true = (sK1 @ sK6))),
% 1.30/1.12    introduced(definition,[new_symbols(naming,[spl4_8])],[avatar_definition])).
% 1.30/1.12  thf(f141,plain,(
% 1.30/1.12    ($true != (sK1 @ sK6)) | (~spl4_1 | ~spl4_9)),
% 1.30/1.12    inference(trivial_inequality_removal,[status(thm)],[f140])).
% 1.30/1.12  thf(f140,plain,(
% 1.30/1.12    ($true != (sK1 @ sK6)) | ($false = $true) | (~spl4_1 | ~spl4_9)),
% 1.30/1.12    inference(superposition,[status(thm)],[f21,f118])).
% 1.30/1.12  thf(f118,plain,(
% 1.30/1.12    ($false = (sK0 @ sK6)) | ~spl4_9),
% 1.30/1.12    inference(avatar_component_clause,[status(thm)],[f116])).
% 1.30/1.12  thf(f116,definition,(
% 1.30/1.12    spl4_9 <=> ($false = (sK0 @ sK6))),
% 1.30/1.12    introduced(definition,[new_symbols(naming,[spl4_9])],[avatar_definition])).
% 1.30/1.12  thf(f21,plain,(
% 1.30/1.12    ( ! [X5 : a] : (($true = (sK0 @ X5)) | ($true != (sK1 @ X5))) ) | ~spl4_1),
% 1.30/1.12    inference(avatar_component_clause,[status(thm)],[f20])).
% 1.30/1.12  thf(f20,definition,(
% 1.30/1.12    spl4_1 <=> ! [X5 : a] : (($true != (sK1 @ X5)) | ($true = (sK0 @ X5)))),
% 1.30/1.12    introduced(definition,[new_symbols(naming,[spl4_1])],[avatar_definition])).
% 1.30/1.12  thf(f129,plain,(
% 1.30/1.12    spl4_2 | ~spl4_7),
% 1.30/1.12    inference(avatar_contradiction_clause,[status(thm)],[f128])).
% 1.30/1.12  thf(f128,plain,(
% 1.30/1.12    $false | (spl4_2 | ~spl4_7)),
% 1.30/1.12    inference(trivial_inequality_removal,[status(thm)],[f123])).
% 1.30/1.12  thf(f123,plain,(
% 1.30/1.12    ($false = $true) | (spl4_2 | ~spl4_7)),
% 1.30/1.12    inference(superposition,[status(thm)],[f105,f109])).
% 1.30/1.12  thf(f109,plain,(
% 1.30/1.12    ($false = (sK2 @ sK6)) | ~spl4_7),
% 1.30/1.12    inference(avatar_component_clause,[status(thm)],[f107])).
% 1.30/1.12  thf(f107,definition,(
% 1.30/1.12    spl4_7 <=> ($false = (sK2 @ sK6))),
% 1.30/1.12    introduced(definition,[new_symbols(naming,[spl4_7])],[avatar_definition])).
% 1.30/1.12  thf(f105,plain,(
% 1.30/1.12    ($true = (sK2 @ sK6)) | spl4_2),
% 1.30/1.12    inference(subsumption_resolution,[status(thm)],[f104,f18])).
% 1.30/1.12  thf(f18,plain,(
% 1.30/1.12    ( ! [X3 : a] : (($true = (sK2 @ X3)) | ($true != (sK0 @ X3))) )),
% 1.30/1.12    inference(cnf_transformation,[status(thm)],[f13])).
% 1.30/1.12  thf(f13,plain,(
% 1.30/1.12    ! [X3 : a] : (($true = (sK2 @ X3)) | ($true != (sK0 @ X3))) & (((^[Y0 : a]: ((sK0 @ Y0) | ((~ (sK1 @ Y0)) & (sK2 @ Y0)))) != sK2) | (($true != (sK0 @ sK3)) & ($true = (sK1 @ sK3)))) & (((^[Y0 : a]: ((sK0 @ Y0) | ((~ (sK1 @ Y0)) & (sK2 @ Y0)))) = sK2) | ! [X5 : a] : (($true = (sK0 @ X5)) | ($true != (sK1 @ X5)))) & ! [X6 : a] : (($true != (sK1 @ X6)) | ($true = (sK2 @ X6)))),
% 1.30/1.12    inference(skolemisation,[status(esa),new_symbols(skolem,[sK0,sK1,sK2,sK3])],[f10,f12,f11])).
% 1.30/1.12  thf(f11,plain,(
% 1.30/1.12    ? [X0 : a > $o,X1 : a > $o,X2 : a > $o] : (! [X3 : a] : (((X2 @ X3) = $true) | ((X0 @ X3) != $true)) & (((^[Y0 : a]: ((X0 @ Y0) | ((~ (X1 @ Y0)) & (X2 @ Y0)))) != X2) | ? [X4 : a] : (((X0 @ X4) != $true) & ((X1 @ X4) = $true))) & (((^[Y0 : a]: ((X0 @ Y0) | ((~ (X1 @ Y0)) & (X2 @ Y0)))) = X2) | ! [X5 : a] : (($true = (X0 @ X5)) | ($true != (X1 @ X5)))) & ! [X6 : a] : (($true != (X1 @ X6)) | ($true = (X2 @ X6)))) => (! [X3 : a] : (($true = (sK2 @ X3)) | ($true != (sK0 @ X3))) & (((^[Y0 : a]: ((sK0 @ Y0) | ((~ (sK1 @ Y0)) & (sK2 @ Y0)))) != sK2) | ? [X4 : a] : (($true != (sK0 @ X4)) & ((sK1 @ X4) = $true))) & (((^[Y0 : a]: ((sK0 @ Y0) | ((~ (sK1 @ Y0)) & (sK2 @ Y0)))) = sK2) | ! [X5 : a] : (($true = (sK0 @ X5)) | ($true != (sK1 @ X5)))) & ! [X6 : a] : (($true != (sK1 @ X6)) | ($true = (sK2 @ X6))))),
% 1.30/1.12    introduced(definition,[],[choice_axiom])).
% 1.30/1.12  thf(f12,plain,(
% 1.30/1.12    ? [X4 : a] : (($true != (sK0 @ X4)) & ((sK1 @ X4) = $true)) => (($true != (sK0 @ sK3)) & ($true = (sK1 @ sK3)))),
% 1.30/1.12    introduced(definition,[],[choice_axiom])).
% 1.30/1.12  thf(f10,plain,(
% 1.30/1.12    ? [X0 : a > $o,X1 : a > $o,X2 : a > $o] : (! [X3 : a] : (((X2 @ X3) = $true) | ((X0 @ X3) != $true)) & (((^[Y0 : a]: ((X0 @ Y0) | ((~ (X1 @ Y0)) & (X2 @ Y0)))) != X2) | ? [X4 : a] : (((X0 @ X4) != $true) & ((X1 @ X4) = $true))) & (((^[Y0 : a]: ((X0 @ Y0) | ((~ (X1 @ Y0)) & (X2 @ Y0)))) = X2) | ! [X5 : a] : (($true = (X0 @ X5)) | ($true != (X1 @ X5)))) & ! [X6 : a] : (($true != (X1 @ X6)) | ($true = (X2 @ X6))))),
% 1.30/1.12    inference(rectify,[status(thm)],[f9])).
% 1.30/1.12  thf(f9,plain,(
% 1.30/1.12    ? [X0 : a > $o,X1 : a > $o,X2 : a > $o] : (! [X4 : a] : (((X2 @ X4) = $true) | ((X0 @ X4) != $true)) & (((^[Y0 : a]: ((X0 @ Y0) | ((~ (X1 @ Y0)) & (X2 @ Y0)))) != X2) | ? [X5 : a] : (($true != (X0 @ X5)) & ($true = (X1 @ X5)))) & (((^[Y0 : a]: ((X0 @ Y0) | ((~ (X1 @ Y0)) & (X2 @ Y0)))) = X2) | ! [X5 : a] : (($true = (X0 @ X5)) | ($true != (X1 @ X5)))) & ! [X3 : a] : (((X1 @ X3) != $true) | ((X2 @ X3) = $true)))),
% 1.30/1.12    inference(flattening,[status(thm)],[f8])).
% 1.30/1.12  thf(f8,plain,(
% 1.30/1.12    ? [X0 : a > $o,X1 : a > $o,X2 : a > $o] : (! [X4 : a] : (((X2 @ X4) = $true) | ((X0 @ X4) != $true)) & ((((^[Y0 : a]: ((X0 @ Y0) | ((~ (X1 @ Y0)) & (X2 @ Y0)))) != X2) | ? [X5 : a] : (($true != (X0 @ X5)) & ($true = (X1 @ X5)))) & (((^[Y0 : a]: ((X0 @ Y0) | ((~ (X1 @ Y0)) & (X2 @ Y0)))) = X2) | ! [X5 : a] : (($true = (X0 @ X5)) | ($true != (X1 @ X5))))) & ! [X3 : a] : (((X1 @ X3) != $true) | ((X2 @ X3) = $true)))),
% 1.30/1.12    inference(nnf_transformation,[status(thm)],[f7])).
% 1.30/1.12  thf(f7,plain,(
% 1.30/1.12    ? [X0 : a > $o,X1 : a > $o,X2 : a > $o] : (! [X4 : a] : (((X2 @ X4) = $true) | ((X0 @ X4) != $true)) & (! [X5 : a] : (($true = (X0 @ X5)) | ($true != (X1 @ X5))) <~> ((^[Y0 : a]: ((X0 @ Y0) | ((~ (X1 @ Y0)) & (X2 @ Y0)))) = X2)) & ! [X3 : a] : (((X1 @ X3) != $true) | ((X2 @ X3) = $true)))),
% 1.30/1.12    inference(flattening,[status(thm)],[f6])).
% 1.30/1.12  thf(f6,plain,(
% 1.30/1.12    ? [X0 : a > $o,X1 : a > $o,X2 : a > $o] : ((! [X5 : a] : (($true = (X0 @ X5)) | ($true != (X1 @ X5))) <~> ((^[Y0 : a]: ((X0 @ Y0) | ((~ (X1 @ Y0)) & (X2 @ Y0)))) = X2)) & (! [X3 : a] : (((X1 @ X3) != $true) | ((X2 @ X3) = $true)) & ! [X4 : a] : (((X2 @ X4) = $true) | ((X0 @ X4) != $true))))),
% 1.30/1.12    inference(ennf_transformation,[status(thm)],[f5])).
% 1.30/1.12  thf(f5,plain,(
% 1.30/1.12    ~! [X0 : a > $o,X1 : a > $o,X2 : a > $o] : ((! [X3 : a] : (((X1 @ X3) = $true) => ((X2 @ X3) = $true)) & ! [X4 : a] : (((X0 @ X4) = $true) => ((X2 @ X4) = $true))) => (! [X5 : a] : (($true = (X1 @ X5)) => ($true = (X0 @ X5))) <=> ((^[Y0 : a]: ((X0 @ Y0) | ((~ (X1 @ Y0)) & (X2 @ Y0)))) = X2)))),
% 1.30/1.12    inference(fool_elimination,[status(thm)],[f4])).
% 1.30/1.12  thf(f4,plain,(
% 1.30/1.12    ~! [X0 : a > $o,X1 : a > $o,X2 : a > $o] : ((! [X3 : a] : ((X1 @ X3) => (X2 @ X3)) & ! [X4 : a] : ((X0 @ X4) => (X2 @ X4))) => (! [X5 : a] : ((X1 @ X5) => (X0 @ X5)) <=> (X2 = (^[X6 : a] : (((X2 @ X6) & ~(X1 @ X6)) | (X0 @ X6))))))),
% 1.30/1.12    inference(rectify,[status(thm)],[f2])).
% 1.30/1.12  thf(f2,negated_conjecture,(
% 1.30/1.12    ~! [X1 : a > $o,X0 : a > $o,X2 : a > $o] : ((! [X3 : a] : ((X0 @ X3) => (X2 @ X3)) & ! [X3 : a] : ((X1 @ X3) => (X2 @ X3))) => (! [X3 : a] : ((X0 @ X3) => (X1 @ X3)) <=> (X2 = (^[X4 : a] : (((X2 @ X4) & ~(X0 @ X4)) | (X1 @ X4))))))),
% 1.30/1.12    inference(negated_conjecture,[status(cth)],[f1])).
% 1.30/1.12  thf(f1,conjecture,(
% 1.30/1.12    ! [X1 : a > $o,X0 : a > $o,X2 : a > $o] : ((! [X3 : a] : ((X0 @ X3) => (X2 @ X3)) & ! [X3 : a] : ((X1 @ X3) => (X2 @ X3))) => (! [X3 : a] : ((X0 @ X3) => (X1 @ X3)) <=> (X2 = (^[X4 : a] : (((X2 @ X4) & ~(X0 @ X4)) | (X1 @ X4))))))),
% 1.30/1.12    file('/export/starexec/sandbox/tmp/tmp.PBLsnQ9ley/DTF2THF_29652.p',cGAZING_THM34_pme)).
% 1.30/1.12  thf(f104,plain,(
% 1.30/1.12    ($true = (sK0 @ sK6)) | ($true = (sK2 @ sK6)) | spl4_2),
% 1.30/1.12    inference(duplicate_literal_removal,[status(thm)],[f101])).
% 1.30/1.12  thf(f101,plain,(
% 1.30/1.12    ($true = (sK2 @ sK6)) | ($true = (sK0 @ sK6)) | ($true = (sK2 @ sK6)) | spl4_2),
% 1.30/1.12    inference(binary_proxy_clausification,[status(thm)],[f100])).
% 1.30/1.12  thf(f100,plain,(
% 1.30/1.12    ($true = (sK0 @ sK6)) | ($true = (sK2 @ sK6)) | ($true = ((~ (sK1 @ sK6)) & (sK2 @ sK6))) | spl4_2),
% 1.30/1.12    inference(binary_proxy_clausification,[status(thm)],[f93])).
% 1.30/1.12  thf(f93,plain,(
% 1.30/1.12    ($true = (sK2 @ sK6)) | ($true = ((sK0 @ sK6) | ((~ (sK1 @ sK6)) & (sK2 @ sK6)))) | spl4_2),
% 1.30/1.12    inference(binary_proxy_clausification,[status(thm)],[f92])).
% 1.30/1.12  thf(f92,plain,(
% 1.30/1.12    (((sK0 @ sK6) | ((~ (sK1 @ sK6)) & (sK2 @ sK6))) != (sK2 @ sK6)) | spl4_2),
% 1.30/1.12    inference(beta_eta_normalization,[status(thm)],[f91])).
% 1.30/1.12  thf(f91,plain,(
% 1.30/1.12    (((^[Y0 : a]: ((sK0 @ Y0) | ((~ (sK1 @ Y0)) & (sK2 @ Y0)))) @ sK6) != (sK2 @ sK6)) | spl4_2),
% 1.30/1.12    inference(negative_extensionality,[status(thm)],[f24])).
% 1.30/1.12  thf(f24,plain,(
% 1.30/1.12    ((^[Y0 : a]: ((sK0 @ Y0) | ((~ (sK1 @ Y0)) & (sK2 @ Y0)))) != sK2) | spl4_2),
% 1.30/1.12    inference(avatar_component_clause,[status(thm)],[f23])).
% 1.30/1.12  thf(f23,definition,(
% 1.30/1.12    spl4_2 <=> ((^[Y0 : a]: ((sK0 @ Y0) | ((~ (sK1 @ Y0)) & (sK2 @ Y0)))) = sK2)),
% 1.30/1.12    introduced(definition,[new_symbols(naming,[spl4_2])],[avatar_definition])).
% 1.30/1.12  thf(f119,plain,(
% 1.30/1.12    spl4_9 | spl4_7 | spl4_2),
% 1.30/1.12    inference(avatar_split_clause,[status(thm)],[f96,f23,f107,f116])).
% 1.30/1.12  thf(f96,plain,(
% 1.30/1.12    ($false = (sK0 @ sK6)) | ($false = (sK2 @ sK6)) | spl4_2),
% 1.30/1.12    inference(binary_proxy_clausification,[status(thm)],[f94])).
% 1.30/1.12  thf(f94,plain,(
% 1.30/1.12    ($false = (sK2 @ sK6)) | ($false = ((sK0 @ sK6) | ((~ (sK1 @ sK6)) & (sK2 @ sK6)))) | spl4_2),
% 1.30/1.12    inference(binary_proxy_clausification,[status(thm)],[f92])).
% 1.30/1.12  thf(f114,plain,(
% 1.30/1.12    spl4_7 | spl4_8 | spl4_2),
% 1.30/1.12    inference(avatar_split_clause,[status(thm)],[f99,f23,f111,f107])).
% 1.30/1.12  thf(f99,plain,(
% 1.30/1.12    ($false = (sK2 @ sK6)) | ($true = (sK1 @ sK6)) | spl4_2),
% 1.30/1.12    inference(not_proxy_clausification,[status(thm)],[f98])).
% 1.30/1.12  thf(f98,plain,(
% 1.30/1.12    ($false = (sK2 @ sK6)) | ($false = (~ (sK1 @ sK6))) | spl4_2),
% 1.30/1.12    inference(duplicate_literal_removal,[status(thm)],[f97])).
% 1.30/1.12  thf(f97,plain,(
% 1.30/1.12    ($false = (sK2 @ sK6)) | ($false = (~ (sK1 @ sK6))) | ($false = (sK2 @ sK6)) | spl4_2),
% 1.30/1.12    inference(binary_proxy_clausification,[status(thm)],[f95])).
% 1.30/1.12  thf(f95,plain,(
% 1.30/1.12    ($false = ((~ (sK1 @ sK6)) & (sK2 @ sK6))) | ($false = (sK2 @ sK6)) | spl4_2),
% 1.30/1.12    inference(binary_proxy_clausification,[status(thm)],[f94])).
% 1.30/1.12  thf(f86,plain,(
% 1.30/1.12    ~spl4_2 | ~spl4_3 | spl4_4),
% 1.30/1.12    inference(avatar_contradiction_clause,[status(thm)],[f85])).
% 1.30/1.12  thf(f85,plain,(
% 1.30/1.12    $false | (~spl4_2 | ~spl4_3 | spl4_4)),
% 1.30/1.12    inference(subsumption_resolution,[status(thm)],[f79,f30])).
% 1.30/1.12  thf(f30,plain,(
% 1.30/1.12    ($true = (sK1 @ sK3)) | ~spl4_3),
% 1.30/1.12    inference(avatar_component_clause,[status(thm)],[f28])).
% 1.30/1.12  thf(f28,definition,(
% 1.30/1.12    spl4_3 <=> ($true = (sK1 @ sK3))),
% 1.30/1.12    introduced(definition,[new_symbols(naming,[spl4_3])],[avatar_definition])).
% 1.30/1.12  thf(f79,plain,(
% 1.30/1.12    ($true != (sK1 @ sK3)) | (~spl4_2 | ~spl4_3 | spl4_4)),
% 1.30/1.12    inference(trivial_inequality_removal,[status(thm)],[f76])).
% 1.30/1.12  thf(f76,plain,(
% 1.30/1.12    ($false = $true) | ($true != (sK1 @ sK3)) | (~spl4_2 | ~spl4_3 | spl4_4)),
% 1.30/1.12    inference(superposition,[status(thm)],[f74,f14])).
% 1.30/1.12  thf(f14,plain,(
% 1.30/1.12    ( ! [X6 : a] : (($true = (sK2 @ X6)) | ($true != (sK1 @ X6))) )),
% 1.30/1.12    inference(cnf_transformation,[status(thm)],[f13])).
% 1.30/1.12  thf(f74,plain,(
% 1.30/1.12    ($false = (sK2 @ sK3)) | (~spl4_2 | ~spl4_3 | spl4_4)),
% 1.30/1.12    inference(trivial_inequality_removal,[status(thm)],[f73])).
% 1.30/1.12  thf(f73,plain,(
% 1.30/1.12    ($false = (sK2 @ sK3)) | ($false = $true) | (~spl4_2 | ~spl4_3 | spl4_4)),
% 1.30/1.13    inference(forward_demodulation,[status(thm)],[f71,f30])).
% 1.30/1.13  thf(f71,plain,(
% 1.30/1.13    ($false = (sK1 @ sK3)) | ($false = (sK2 @ sK3)) | (~spl4_2 | spl4_4)),
% 1.30/1.13    inference(trivial_inequality_removal,[status(thm)],[f68])).
% 1.30/1.13  thf(f68,plain,(
% 1.30/1.13    ($false = (sK2 @ sK3)) | ($true != $true) | ($false = (sK1 @ sK3)) | (~spl4_2 | spl4_4)),
% 1.30/1.13    inference(superposition,[status(thm)],[f35,f44])).
% 1.30/1.13  thf(f44,plain,(
% 1.30/1.13    ( ! [X1 : a] : (($true = (sK0 @ X1)) | ($false = (sK1 @ X1)) | ($false = (sK2 @ X1))) ) | ~spl4_2),
% 1.30/1.13    inference(not_proxy_clausification,[status(thm)],[f43])).
% 1.30/1.13  thf(f43,plain,(
% 1.30/1.13    ( ! [X1 : a] : (($false = (sK2 @ X1)) | ($true = (~ (sK1 @ X1))) | ($true = (sK0 @ X1))) ) | ~spl4_2),
% 1.30/1.13    inference(binary_proxy_clausification,[status(thm)],[f41])).
% 1.30/1.13  thf(f41,plain,(
% 1.30/1.13    ( ! [X1 : a] : (($true = (sK0 @ X1)) | ($false = (sK2 @ X1)) | ($true = ((~ (sK1 @ X1)) & (sK2 @ X1)))) ) | ~spl4_2),
% 1.30/1.13    inference(binary_proxy_clausification,[status(thm)],[f40])).
% 1.30/1.13  thf(f40,plain,(
% 1.30/1.13    ( ! [X1 : a] : (($false = (sK2 @ X1)) | ($true = ((sK0 @ X1) | ((~ (sK1 @ X1)) & (sK2 @ X1))))) ) | ~spl4_2),
% 1.30/1.13    inference(binary_proxy_clausification,[status(thm)],[f38])).
% 1.30/1.13  thf(f38,plain,(
% 1.30/1.13    ( ! [X1 : a] : (((sK2 @ X1) = ((sK0 @ X1) | ((~ (sK1 @ X1)) & (sK2 @ X1))))) ) | ~spl4_2),
% 1.30/1.13    inference(beta_eta_normalization,[status(thm)],[f37])).
% 1.30/1.13  thf(f37,plain,(
% 1.30/1.13    ( ! [X1 : a] : (((sK2 @ X1) = ((^[Y0 : a]: ((sK0 @ Y0) | ((~ (sK1 @ Y0)) & (sK2 @ Y0)))) @ X1))) ) | ~spl4_2),
% 1.30/1.13    inference(argument_congruence,[status(thm)],[f25])).
% 1.30/1.13  thf(f25,plain,(
% 1.30/1.13    ((^[Y0 : a]: ((sK0 @ Y0) | ((~ (sK1 @ Y0)) & (sK2 @ Y0)))) = sK2) | ~spl4_2),
% 1.30/1.13    inference(avatar_component_clause,[status(thm)],[f23])).
% 1.30/1.13  thf(f35,plain,(
% 1.30/1.13    ($true != (sK0 @ sK3)) | spl4_4),
% 1.30/1.13    inference(avatar_component_clause,[status(thm)],[f33])).
% 1.30/1.13  thf(f33,definition,(
% 1.30/1.13    spl4_4 <=> ($true = (sK0 @ sK3))),
% 1.30/1.13    introduced(definition,[new_symbols(naming,[spl4_4])],[avatar_definition])).
% 1.30/1.13  thf(f36,plain,(
% 1.30/1.13    ~spl4_2 | ~spl4_4),
% 1.30/1.13    inference(avatar_split_clause,[status(thm)],[f17,f33,f23])).
% 1.30/1.13  thf(f17,plain,(
% 1.30/1.13    ($true != (sK0 @ sK3)) | ((^[Y0 : a]: ((sK0 @ Y0) | ((~ (sK1 @ Y0)) & (sK2 @ Y0)))) != sK2)),
% 1.30/1.13    inference(cnf_transformation,[status(thm)],[f13])).
% 1.30/1.13  thf(f31,plain,(
% 1.30/1.13    ~spl4_2 | spl4_3),
% 1.30/1.13    inference(avatar_split_clause,[status(thm)],[f16,f28,f23])).
% 1.30/1.13  thf(f16,plain,(
% 1.30/1.13    ($true = (sK1 @ sK3)) | ((^[Y0 : a]: ((sK0 @ Y0) | ((~ (sK1 @ Y0)) & (sK2 @ Y0)))) != sK2)),
% 1.30/1.13    inference(cnf_transformation,[status(thm)],[f13])).
% 1.30/1.13  thf(f26,plain,(
% 1.30/1.13    spl4_1 | spl4_2),
% 1.30/1.13    inference(avatar_split_clause,[status(thm)],[f15,f23,f20])).
% 1.30/1.13  thf(f15,plain,(
% 1.30/1.13    ( ! [X5 : a] : (((^[Y0 : a]: ((sK0 @ Y0) | ((~ (sK1 @ Y0)) & (sK2 @ Y0)))) = sK2) | ($true != (sK1 @ X5)) | ($true = (sK0 @ X5))) )),
% 1.30/1.13    inference(cnf_transformation,[status(thm)],[f13])).
% 1.30/1.13  % SZS output end Proof for DTF2THF_29652
% 1.30/1.13  % (29782)------------------------------
% 1.30/1.13  % (29782)Version: Vampire 4.8 (commit 7b44b1c2f on 2025-07-15 09:50:17 +0100)
% 1.30/1.13  % (29782)Termination reason: Refutation
% 1.30/1.13  
% 1.30/1.13  % (29782)Memory used [KB]: 5500
% 1.30/1.13  % (29782)Time elapsed: 0.006 s
% 1.30/1.13  % (29782)Instructions burned: 8 (million)
% 1.30/1.13  % (29782)------------------------------
% 1.30/1.13  % (29782)------------------------------
% 1.30/1.13  % (29775)Success in time 0.014 s
%------------------------------------------------------------------------------