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DT2H2X---1.9.5.THM-Ref.s

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%------------------------------------------------------------------------------
% File     : DT2H2X---1.9.5
% Problem  : SYN059^5 : 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 : n013.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 09:50:27 AM UTC 2026

% Result   : Theorem 1.49s 1.28s
% Output   : Refutation 1.49s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   13
%            Number of leaves      :   14
% Syntax   : Number of formulae    :   71 (   5 unt;   0 typ;   8 def)
%            Number of atoms       :  754 ( 201 equ;   0 cnn)
%            Maximal formula atoms :   16 (  10 avg)
%            Number of connectives :  596 ( 135   ~; 115   |;  83   &; 219   @)
%                                         (   8 <=>;  36  =>;   0  <=;   0 <~>)
%            Maximal formula depth :   11 (   5 avg)
%            Number of types       :    2 (   0 usr)
%            Number of type conns  :    0 (   0   >;   0   *;   0   +;   0  <<)
%            Number of symbols     :   21 (  18 usr;  16 con; 0-2 aty)
%            Number of variables   :  103 (   0   ^;  68   !;  35   ?; 103   :)

% Comments : 
%------------------------------------------------------------------------------
thf(func_def_0,type,
    cJ: $i > $o ).

thf(func_def_1,type,
    cG: $i > $o ).

thf(func_def_2,type,
    cH: $i > $o ).

thf(func_def_3,type,
    cF: $i > $o ).

thf(f107,plain,
    $false,
    inference(avatar_sat_refutation,[status(thm)],[f38,f46,f51,f59,f66,f92,f99,f101,f106]) ).

thf(f106,plain,
    ~ spl6_7,
    inference(avatar_contradiction_clause,[status(thm)],[f105]) ).

thf(f105,plain,
    ( $false
    | ~ spl6_7 ),
    inference(trivial_inequality_removal,[status(thm)],[f103]) ).

thf(f103,plain,
    ( ( $true != $true )
    | ~ spl6_7 ),
    inference(superposition,[status(thm)],[f58,f24]) ).

thf(f24,plain,
    ( ( cF @ sK5 )
    = $true ),
    inference(cnf_transformation,[status(thm)],[f18]) ).

thf(f18,plain,
    ( ( ( sP0 = $true )
      | ( ( $true
          = ( cG @ sK3 ) )
        & ( $true
         != ( cJ @ sK3 ) )
        & ! [X1: $i,X2: $i] :
            ( ( ( cF @ X2 )
             != $true )
            | ( ( cG @ X1 )
             != $true )
            | ( ( ( cH @ X2 )
                = $true )
              & ( ( cJ @ X1 )
                = $true ) ) ) ) )
    & ( ( cG @ sK4 )
      = $true )
    & ( ( cF @ sK5 )
      = $true ) ),
    inference(skolemisation,[status(esa),new_symbols(skolem,[sK3,sK4,sK5])],[f14,f17,f16,f15]) ).

thf(f15,plain,
    ( ? [X0: $i] :
        ( ( ( cG @ X0 )
          = $true )
        & ( ( cJ @ X0 )
         != $true ) )
   => ( ( $true
        = ( cG @ sK3 ) )
      & ( $true
       != ( cJ @ sK3 ) ) ) ),
    introduced(definition,[],[choice_axiom]) ).

thf(f16,plain,
    ( ? [X3: $i] :
        ( ( cG @ X3 )
        = $true )
   => ( ( cG @ sK4 )
      = $true ) ),
    introduced(definition,[],[choice_axiom]) ).

thf(f17,plain,
    ( ? [X4: $i] :
        ( ( cF @ X4 )
        = $true )
   => ( ( cF @ sK5 )
      = $true ) ),
    introduced(definition,[],[choice_axiom]) ).

thf(f14,plain,
    ( ( ( sP0 = $true )
      | ( ? [X0: $i] :
            ( ( ( cG @ X0 )
              = $true )
            & ( ( cJ @ X0 )
             != $true ) )
        & ! [X1: $i,X2: $i] :
            ( ( ( cF @ X2 )
             != $true )
            | ( ( cG @ X1 )
             != $true )
            | ( ( ( cH @ X2 )
                = $true )
              & ( ( cJ @ X1 )
                = $true ) ) ) ) )
    & ? [X3: $i] :
        ( ( cG @ X3 )
        = $true )
    & ? [X4: $i] :
        ( ( cF @ X4 )
        = $true ) ),
    inference(rectify,[status(thm)],[f9]) ).

thf(f9,plain,
    ( ( ( sP0 = $true )
      | ( ? [X4: $i] :
            ( ( $true
              = ( cG @ X4 ) )
            & ( ( cJ @ X4 )
             != $true ) )
        & ! [X3: $i,X2: $i] :
            ( ( ( cF @ X2 )
             != $true )
            | ( ( cG @ X3 )
             != $true )
            | ( ( ( cH @ X2 )
                = $true )
              & ( ( cJ @ X3 )
                = $true ) ) ) ) )
    & ? [X0: $i] :
        ( ( cG @ X0 )
        = $true )
    & ? [X1: $i] :
        ( ( cF @ X1 )
        = $true ) ),
    inference(definition_folding,[status(thm)],[f7,f8]) ).

thf(f8,plain,
    ( ( ! [X6: $i] :
          ( ( ( cJ @ X6 )
            = $true )
          | ( ( cG @ X6 )
           != $true ) )
      & ! [X5: $i] :
          ( ( ( cH @ X5 )
            = $true )
          | ( $true
           != ( cF @ X5 ) ) )
      & ? [X8: $i,X7: $i] :
          ( ( $true
            = ( cF @ X8 ) )
          & ( ( ( cJ @ X7 )
             != $true )
            | ( ( cH @ X8 )
             != $true ) )
          & ( ( cG @ X7 )
            = $true ) ) )
    | ( sP0 != $true ) ),
    introduced(definition,[new_symbols(naming,[=])],[predicate_definition_introduction]) ).

thf(f7,plain,
    ( ( ( ! [X6: $i] :
            ( ( ( cJ @ X6 )
              = $true )
            | ( ( cG @ X6 )
             != $true ) )
        & ! [X5: $i] :
            ( ( ( cH @ X5 )
              = $true )
            | ( $true
             != ( cF @ X5 ) ) )
        & ? [X8: $i,X7: $i] :
            ( ( $true
              = ( cF @ X8 ) )
            & ( ( ( cJ @ X7 )
               != $true )
              | ( ( cH @ X8 )
               != $true ) )
            & ( ( cG @ X7 )
              = $true ) ) )
      | ( ? [X4: $i] :
            ( ( $true
              = ( cG @ X4 ) )
            & ( ( cJ @ X4 )
             != $true ) )
        & ! [X3: $i,X2: $i] :
            ( ( ( cF @ X2 )
             != $true )
            | ( ( cG @ X3 )
             != $true )
            | ( ( ( cH @ X2 )
                = $true )
              & ( ( cJ @ X3 )
                = $true ) ) ) ) )
    & ? [X0: $i] :
        ( ( cG @ X0 )
        = $true )
    & ? [X1: $i] :
        ( ( cF @ X1 )
        = $true ) ),
    inference(flattening,[status(thm)],[f6]) ).

thf(f6,plain,
    ( ( ( ? [X7: $i,X8: $i] :
            ( ( ( ( cJ @ X7 )
               != $true )
              | ( ( cH @ X8 )
               != $true ) )
            & ( $true
              = ( cF @ X8 ) )
            & ( ( cG @ X7 )
              = $true ) )
        & ! [X6: $i] :
            ( ( ( cJ @ X6 )
              = $true )
            | ( ( cG @ X6 )
             != $true ) )
        & ! [X5: $i] :
            ( ( ( cH @ X5 )
              = $true )
            | ( $true
             != ( cF @ X5 ) ) ) )
      | ( ? [X4: $i] :
            ( ( $true
              = ( cG @ X4 ) )
            & ( ( cJ @ X4 )
             != $true ) )
        & ! [X3: $i,X2: $i] :
            ( ( ( ( cH @ X2 )
                = $true )
              & ( ( cJ @ X3 )
                = $true ) )
            | ( ( cG @ X3 )
             != $true )
            | ( ( cF @ X2 )
             != $true ) ) ) )
    & ? [X0: $i] :
        ( ( cG @ X0 )
        = $true )
    & ? [X1: $i] :
        ( ( cF @ X1 )
        = $true ) ),
    inference(ennf_transformation,[status(thm)],[f5]) ).

thf(f5,plain,
    ~ ( ( ? [X0: $i] :
            ( ( cG @ X0 )
            = $true )
        & ? [X1: $i] :
            ( ( cF @ X1 )
            = $true ) )
     => ( ( ( ! [X6: $i] :
                ( ( ( cG @ X6 )
                  = $true )
               => ( ( cJ @ X6 )
                  = $true ) )
            & ! [X5: $i] :
                ( ( $true
                  = ( cF @ X5 ) )
               => ( ( cH @ X5 )
                  = $true ) ) )
         => ! [X7: $i,X8: $i] :
              ( ( ( $true
                  = ( cF @ X8 ) )
                & ( ( cG @ X7 )
                  = $true ) )
             => ( ( ( cH @ X8 )
                  = $true )
                & ( ( cJ @ X7 )
                  = $true ) ) ) )
        & ( ! [X3: $i,X2: $i] :
              ( ( ( ( cG @ X3 )
                  = $true )
                & ( ( cF @ X2 )
                  = $true ) )
             => ( ( ( cH @ X2 )
                  = $true )
                & ( ( cJ @ X3 )
                  = $true ) ) )
         => ! [X4: $i] :
              ( ( $true
                = ( cG @ X4 ) )
             => ( ( cJ @ X4 )
                = $true ) ) ) ) ),
    inference(fool_elimination,[status(thm)],[f4]) ).

thf(f4,plain,
    ~ ( ( ? [X0: $i] : ( cG @ X0 )
        & ? [X1: $i] : ( cF @ X1 ) )
     => ( ( ! [X2: $i,X3: $i] :
              ( ( ( cG @ X3 )
                & ( cF @ X2 ) )
             => ( ( cJ @ X3 )
                & ( cH @ X2 ) ) )
         => ! [X4: $i] :
              ( ( cG @ X4 )
             => ( cJ @ X4 ) ) )
        & ( ( ! [X5: $i] :
                ( ( cF @ X5 )
               => ( cH @ X5 ) )
            & ! [X6: $i] :
                ( ( cG @ X6 )
               => ( cJ @ X6 ) ) )
         => ! [X7: $i,X8: $i] :
              ( ( ( cF @ X8 )
                & ( cG @ X7 ) )
             => ( ( cH @ X8 )
                & ( cJ @ X7 ) ) ) ) ) ),
    inference(rectify,[status(thm)],[f2]) ).

thf(f2,negated_conjecture,
    ~ ( ( ? [X0: $i] : ( cG @ X0 )
        & ? [X0: $i] : ( cF @ X0 ) )
     => ( ( ! [X0: $i,X1: $i] :
              ( ( ( cG @ X1 )
                & ( cF @ X0 ) )
             => ( ( cJ @ X1 )
                & ( cH @ X0 ) ) )
         => ! [X0: $i] :
              ( ( cG @ X0 )
             => ( cJ @ X0 ) ) )
        & ( ( ! [X0: $i] :
                ( ( cF @ X0 )
               => ( cH @ X0 ) )
            & ! [X0: $i] :
                ( ( cG @ X0 )
               => ( cJ @ X0 ) ) )
         => ! [X1: $i,X0: $i] :
              ( ( ( cF @ X0 )
                & ( cG @ X1 ) )
             => ( ( cH @ X0 )
                & ( cJ @ X1 ) ) ) ) ) ),
    inference(negated_conjecture,[status(cth)],[f1]) ).

thf(f1,conjecture,
    ( ( ? [X0: $i] : ( cG @ X0 )
      & ? [X0: $i] : ( cF @ X0 ) )
   => ( ( ! [X0: $i,X1: $i] :
            ( ( ( cG @ X1 )
              & ( cF @ X0 ) )
           => ( ( cJ @ X1 )
              & ( cH @ X0 ) ) )
       => ! [X0: $i] :
            ( ( cG @ X0 )
           => ( cJ @ X0 ) ) )
      & ( ( ! [X0: $i] :
              ( ( cF @ X0 )
             => ( cH @ X0 ) )
          & ! [X0: $i] :
              ( ( cG @ X0 )
             => ( cJ @ X0 ) ) )
       => ! [X1: $i,X0: $i] :
            ( ( ( cF @ X0 )
              & ( cG @ X1 ) )
           => ( ( cH @ X0 )
              & ( cJ @ X1 ) ) ) ) ) ),
    file('/export/starexec/sandbox/tmp/tmp.OnWfODaFyC/DTF2THF_22879.p',cPELL29) ).

thf(f58,plain,
    ( ! [X2: $i] :
        ( ( cF @ X2 )
       != $true )
    | ~ spl6_7 ),
    inference(avatar_component_clause,[status(thm)],[f57]) ).

thf(f57,definition,
    ( spl6_7
  <=> ! [X2: $i] :
        ( ( cF @ X2 )
       != $true ) ),
    introduced(definition,[new_symbols(naming,[spl6_7])],[avatar_definition]) ).

thf(f101,plain,
    ( ~ spl6_2
    | spl6_5
    | ~ spl6_6 ),
    inference(avatar_split_clause,[status(thm)],[f73,f54,f48,f35]) ).

thf(f35,definition,
    ( spl6_2
  <=> ( $true
      = ( cG @ sK3 ) ) ),
    introduced(definition,[new_symbols(naming,[spl6_2])],[avatar_definition]) ).

thf(f48,definition,
    ( spl6_5
  <=> ( $true
      = ( cJ @ sK3 ) ) ),
    introduced(definition,[new_symbols(naming,[spl6_5])],[avatar_definition]) ).

thf(f54,definition,
    ( spl6_6
  <=> ! [X1: $i] :
        ( ( ( cJ @ X1 )
          = $true )
        | ( ( cG @ X1 )
         != $true ) ) ),
    introduced(definition,[new_symbols(naming,[spl6_6])],[avatar_definition]) ).

thf(f73,plain,
    ( ( $true
     != ( cG @ sK3 ) )
    | spl6_5
    | ~ spl6_6 ),
    inference(trivial_inequality_removal,[status(thm)],[f72]) ).

thf(f72,plain,
    ( ( $true
     != ( cG @ sK3 ) )
    | ( $true != $true )
    | spl6_5
    | ~ spl6_6 ),
    inference(superposition,[status(thm)],[f50,f55]) ).

thf(f55,plain,
    ( ! [X1: $i] :
        ( ( ( cJ @ X1 )
          = $true )
        | ( ( cG @ X1 )
         != $true ) )
    | ~ spl6_6 ),
    inference(avatar_component_clause,[status(thm)],[f54]) ).

thf(f50,plain,
    ( ( $true
     != ( cJ @ sK3 ) )
    | spl6_5 ),
    inference(avatar_component_clause,[status(thm)],[f48]) ).

thf(f99,plain,
    ( ~ spl6_1
    | ~ spl6_6
    | ~ spl6_8 ),
    inference(avatar_split_clause,[status(thm)],[f98,f77,f54,f31]) ).

thf(f31,definition,
    ( spl6_1
  <=> ( sP0 = $true ) ),
    introduced(definition,[new_symbols(naming,[spl6_1])],[avatar_definition]) ).

thf(f77,definition,
    ( spl6_8
  <=> ( ( cH @ sK1 )
      = $true ) ),
    introduced(definition,[new_symbols(naming,[spl6_8])],[avatar_definition]) ).

thf(f98,plain,
    ( ( sP0 != $true )
    | ~ spl6_6
    | ~ spl6_8 ),
    inference(subsumption_resolution,[status(thm)],[f97,f19]) ).

thf(f19,plain,
    ( ( ( cG @ sK2 )
      = $true )
    | ( sP0 != $true ) ),
    inference(cnf_transformation,[status(thm)],[f13]) ).

thf(f13,plain,
    ( ( ! [X0: $i] :
          ( ( ( cJ @ X0 )
            = $true )
          | ( ( cG @ X0 )
           != $true ) )
      & ! [X1: $i] :
          ( ( ( cH @ X1 )
            = $true )
          | ( ( cF @ X1 )
           != $true ) )
      & ( ( cF @ sK1 )
        = $true )
      & ( ( $true
         != ( cJ @ sK2 ) )
        | ( ( cH @ sK1 )
         != $true ) )
      & ( ( cG @ sK2 )
        = $true ) )
    | ( sP0 != $true ) ),
    inference(skolemisation,[status(esa),new_symbols(skolem,[sK1,sK2])],[f11,f12]) ).

thf(f12,plain,
    ( ? [X2: $i,X3: $i] :
        ( ( ( cF @ X2 )
          = $true )
        & ( ( ( cJ @ X3 )
           != $true )
          | ( ( cH @ X2 )
           != $true ) )
        & ( ( cG @ X3 )
          = $true ) )
   => ( ( ( cF @ sK1 )
        = $true )
      & ( ( $true
         != ( cJ @ sK2 ) )
        | ( ( cH @ sK1 )
         != $true ) )
      & ( ( cG @ sK2 )
        = $true ) ) ),
    introduced(definition,[],[choice_axiom]) ).

thf(f11,plain,
    ( ( ! [X0: $i] :
          ( ( ( cJ @ X0 )
            = $true )
          | ( ( cG @ X0 )
           != $true ) )
      & ! [X1: $i] :
          ( ( ( cH @ X1 )
            = $true )
          | ( ( cF @ X1 )
           != $true ) )
      & ? [X2: $i,X3: $i] :
          ( ( ( cF @ X2 )
            = $true )
          & ( ( ( cJ @ X3 )
             != $true )
            | ( ( cH @ X2 )
             != $true ) )
          & ( ( cG @ X3 )
            = $true ) ) )
    | ( sP0 != $true ) ),
    inference(rectify,[status(thm)],[f10]) ).

thf(f10,plain,
    ( ( ! [X6: $i] :
          ( ( ( cJ @ X6 )
            = $true )
          | ( ( cG @ X6 )
           != $true ) )
      & ! [X5: $i] :
          ( ( ( cH @ X5 )
            = $true )
          | ( $true
           != ( cF @ X5 ) ) )
      & ? [X8: $i,X7: $i] :
          ( ( $true
            = ( cF @ X8 ) )
          & ( ( ( cJ @ X7 )
             != $true )
            | ( ( cH @ X8 )
             != $true ) )
          & ( ( cG @ X7 )
            = $true ) ) )
    | ( sP0 != $true ) ),
    inference(nnf_transformation,[status(thm)],[f8]) ).

thf(f97,plain,
    ( ( ( cG @ sK2 )
     != $true )
    | ( sP0 != $true )
    | ~ spl6_6
    | ~ spl6_8 ),
    inference(subsumption_resolution,[status(thm)],[f74,f78]) ).

thf(f78,plain,
    ( ( ( cH @ sK1 )
      = $true )
    | ~ spl6_8 ),
    inference(avatar_component_clause,[status(thm)],[f77]) ).

thf(f74,plain,
    ( ( ( cH @ sK1 )
     != $true )
    | ( sP0 != $true )
    | ( ( cG @ sK2 )
     != $true )
    | ~ spl6_6 ),
    inference(trivial_inequality_removal,[status(thm)],[f71]) ).

thf(f71,plain,
    ( ( ( cG @ sK2 )
     != $true )
    | ( sP0 != $true )
    | ( $true != $true )
    | ( ( cH @ sK1 )
     != $true )
    | ~ spl6_6 ),
    inference(superposition,[status(thm)],[f20,f55]) ).

thf(f20,plain,
    ( ( $true
     != ( cJ @ sK2 ) )
    | ( ( cH @ sK1 )
     != $true )
    | ( sP0 != $true ) ),
    inference(cnf_transformation,[status(thm)],[f13]) ).

thf(f92,plain,
    ( ~ spl6_1
    | ~ spl6_4
    | spl6_8 ),
    inference(avatar_contradiction_clause,[status(thm)],[f91]) ).

thf(f91,plain,
    ( $false
    | ~ spl6_1
    | ~ spl6_4
    | spl6_8 ),
    inference(subsumption_resolution,[status(thm)],[f90,f33]) ).

thf(f33,plain,
    ( ( sP0 = $true )
    | ~ spl6_1 ),
    inference(avatar_component_clause,[status(thm)],[f31]) ).

thf(f90,plain,
    ( ( sP0 != $true )
    | ~ spl6_4
    | spl6_8 ),
    inference(trivial_inequality_removal,[status(thm)],[f89]) ).

thf(f89,plain,
    ( ( $true != $true )
    | ( sP0 != $true )
    | ~ spl6_4
    | spl6_8 ),
    inference(superposition,[status(thm)],[f88,f21]) ).

thf(f21,plain,
    ( ( ( cF @ sK1 )
      = $true )
    | ( sP0 != $true ) ),
    inference(cnf_transformation,[status(thm)],[f13]) ).

thf(f88,plain,
    ( ( ( cF @ sK1 )
     != $true )
    | ~ spl6_4
    | spl6_8 ),
    inference(trivial_inequality_removal,[status(thm)],[f85]) ).

thf(f85,plain,
    ( ( $true != $true )
    | ( ( cF @ sK1 )
     != $true )
    | ~ spl6_4
    | spl6_8 ),
    inference(superposition,[status(thm)],[f79,f45]) ).

thf(f45,plain,
    ( ! [X2: $i] :
        ( ( ( cH @ X2 )
          = $true )
        | ( ( cF @ X2 )
         != $true ) )
    | ~ spl6_4 ),
    inference(avatar_component_clause,[status(thm)],[f44]) ).

thf(f44,definition,
    ( spl6_4
  <=> ! [X2: $i] :
        ( ( ( cF @ X2 )
         != $true )
        | ( ( cH @ X2 )
          = $true ) ) ),
    introduced(definition,[new_symbols(naming,[spl6_4])],[avatar_definition]) ).

thf(f79,plain,
    ( ( ( cH @ sK1 )
     != $true )
    | spl6_8 ),
    inference(avatar_component_clause,[status(thm)],[f77]) ).

thf(f66,plain,
    ~ spl6_3,
    inference(avatar_contradiction_clause,[status(thm)],[f65]) ).

thf(f65,plain,
    ( $false
    | ~ spl6_3 ),
    inference(trivial_inequality_removal,[status(thm)],[f63]) ).

thf(f63,plain,
    ( ( $true != $true )
    | ~ spl6_3 ),
    inference(superposition,[status(thm)],[f42,f25]) ).

thf(f25,plain,
    ( ( cG @ sK4 )
    = $true ),
    inference(cnf_transformation,[status(thm)],[f18]) ).

thf(f42,plain,
    ( ! [X1: $i] :
        ( ( cG @ X1 )
       != $true )
    | ~ spl6_3 ),
    inference(avatar_component_clause,[status(thm)],[f41]) ).

thf(f41,definition,
    ( spl6_3
  <=> ! [X1: $i] :
        ( ( cG @ X1 )
       != $true ) ),
    introduced(definition,[new_symbols(naming,[spl6_3])],[avatar_definition]) ).

thf(f59,plain,
    ( spl6_6
    | spl6_7 ),
    inference(avatar_split_clause,[status(thm)],[f52,f57,f54]) ).

thf(f52,plain,
    ! [X2: $i,X1: $i] :
      ( ( ( cJ @ X1 )
        = $true )
      | ( ( cF @ X2 )
       != $true )
      | ( ( cG @ X1 )
       != $true ) ),
    inference(subsumption_resolution,[status(thm)],[f26,f23]) ).

thf(f23,plain,
    ! [X0: $i] :
      ( ( ( cJ @ X0 )
        = $true )
      | ( ( cG @ X0 )
       != $true )
      | ( sP0 != $true ) ),
    inference(cnf_transformation,[status(thm)],[f13]) ).

thf(f26,plain,
    ! [X2: $i,X1: $i] :
      ( ( ( cF @ X2 )
       != $true )
      | ( ( cG @ X1 )
       != $true )
      | ( sP0 = $true )
      | ( ( cJ @ X1 )
        = $true ) ),
    inference(cnf_transformation,[status(thm)],[f18]) ).

thf(f51,plain,
    ( spl6_1
    | ~ spl6_5 ),
    inference(avatar_split_clause,[status(thm)],[f28,f48,f31]) ).

thf(f28,plain,
    ( ( sP0 = $true )
    | ( $true
     != ( cJ @ sK3 ) ) ),
    inference(cnf_transformation,[status(thm)],[f18]) ).

thf(f46,plain,
    ( spl6_3
    | spl6_4 ),
    inference(avatar_split_clause,[status(thm)],[f39,f44,f41]) ).

thf(f39,plain,
    ! [X2: $i,X1: $i] :
      ( ( ( cF @ X2 )
       != $true )
      | ( ( cH @ X2 )
        = $true )
      | ( ( cG @ X1 )
       != $true ) ),
    inference(subsumption_resolution,[status(thm)],[f27,f22]) ).

thf(f22,plain,
    ! [X1: $i] :
      ( ( ( cH @ X1 )
        = $true )
      | ( ( cF @ X1 )
       != $true )
      | ( sP0 != $true ) ),
    inference(cnf_transformation,[status(thm)],[f13]) ).

thf(f27,plain,
    ! [X2: $i,X1: $i] :
      ( ( ( cH @ X2 )
        = $true )
      | ( ( cF @ X2 )
       != $true )
      | ( ( cG @ X1 )
       != $true )
      | ( sP0 = $true ) ),
    inference(cnf_transformation,[status(thm)],[f18]) ).

thf(f38,plain,
    ( spl6_1
    | spl6_2 ),
    inference(avatar_split_clause,[status(thm)],[f29,f35,f31]) ).

thf(f29,plain,
    ( ( $true
      = ( cG @ sK3 ) )
    | ( sP0 = $true ) ),
    inference(cnf_transformation,[status(thm)],[f18]) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.11  % Problem  : SYN059^5 : TPTP v9.2.1. Released v4.0.0.
% 0.12/0.13  % Command  : /export/starexec/sandbox/solver/bin/run_DT2H2X /export/starexec/sandbox/benchmark/theBenchmark.p 300
% 0.16/0.34  % Computer : n013.cluster.edu
% 0.16/0.34  % Model    : x86_64 x86_64
% 0.16/0.34  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.16/0.34  % Memory   : 8042.1875MB
% 0.16/0.34  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.16/0.34  % CPULimit : 300
% 0.16/0.34  % WCLimit  : 300
% 0.16/0.34  % DateTime : Tue Feb 24 13:50:23 EST 2026
% 0.16/0.34  % CPUTime  : 
% 0.16/0.34  Running /export/starexec/sandbox/solver/bin/run_DT2H2X /export/starexec/sandbox/benchmark/theBenchmark.p 300
% 0.19/0.45  ---- Original DTF file ---
% 0.19/0.46  thf(spec,logic,$$dhol).
% 0.19/0.46  %------------------------------------------------------------------------------
% 0.19/0.46  % File     : SYN059^5 : TPTP v9.2.1. Released v4.0.0.
% 0.19/0.46  % Domain   : Syntactic
% 0.19/0.46  % Problem  : TPS problem PELL29
% 0.19/0.46  % Version  : Especial.
% 0.19/0.46  % English  :
% 0.19/0.46  
% 0.19/0.46  % Refs     : [Pel86] Pelletier (1986), Seventy-five Problems for Testing Au
% 0.19/0.46  %          : [Bro09] Brown (2009), Email to Geoff Sutcliffe
% 0.19/0.46  % Source   : [Bro09]
% 0.19/0.46  % Names    : tps_0334 [Bro09]
% 0.19/0.46  %          : PELL29 [TPS]
% 0.19/0.46  %          : Pelletier 29 [Pel86]
% 0.19/0.46  
% 0.19/0.46  % Status   : Theorem
% 0.19/0.46  % 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 v6.0.0, 0.00 v5.3.0, 0.25 v5.2.0, 0.00 v4.0.0
% 0.19/0.46  % Syntax   : Number of formulae    :    5 (   0 unt;   4 typ;   0 def)
% 0.19/0.46  %            Number of atoms       :   16 (   0 equ;   0 cnn)
% 0.19/0.46  %            Maximal formula atoms :   16 (  16 avg)
% 0.19/0.46  %            Number of connectives :   31 (   0   ~;   0   |;   7   &;  16   @)
% 0.19/0.46  %                                         (   0 <=>;   8  =>;   0  <=;   0 <~>)
% 0.19/0.46  %            Maximal formula depth :    9 (   9 avg)
% 0.19/0.46  %            Number of types       :    2 (   0 usr)
% 0.19/0.46  %            Number of type conns  :    4 (   4   >;   0   *;   0   +;   0  <<)
% 0.19/0.46  %            Number of symbols     :    4 (   4 usr;   0 con; 1-1 aty)
% 0.19/0.46  %            Number of variables   :    9 (   0   ^;   7   !;   2   ?;   9   :)
% 0.19/0.46  % SPC      : TH0_THM_NEQ_NAR
% 0.19/0.46  
% 0.19/0.46  % Comments : This problem is from the TPS library. Copyright (c) 2009 The TPS
% 0.19/0.46  %            project in the Department of Mathematical Sciences at Carnegie
% 0.19/0.46  %            Mellon University. Distributed under the Creative Commons copyleft
% 0.19/0.46  %            license: http://creativecommons.org/licenses/by-sa/3.0/
% 0.19/0.46  %          : 
% 0.19/0.46  %------------------------------------------------------------------------------
% 0.19/0.46  thf(cJ,type,
% 0.19/0.46      cJ: $i > $o ).
% 0.19/0.46  
% 0.19/0.46  thf(cG,type,
% 0.19/0.46      cG: $i > $o ).
% 0.19/0.46  
% 0.19/0.46  thf(cH,type,
% 0.19/0.46      cH: $i > $o ).
% 0.19/0.46  
% 0.19/0.46  thf(cF,type,
% 0.19/0.46      cF: $i > $o ).
% 0.19/0.46  
% 0.19/0.46  thf(cPELL29,conjecture,
% 0.19/0.46      ( ( ? [Xx: $i] : ( cF @ Xx )
% 0.19/0.46        & ? [Xx: $i] : ( cG @ Xx ) )
% 0.19/0.46     => ( ( ( ! [Xx: $i] :
% 0.19/0.46                ( ( cF @ Xx )
% 0.19/0.46               => ( cH @ Xx ) )
% 0.19/0.46            & ! [Xx: $i] :
% 0.19/0.46                ( ( cG @ Xx )
% 0.19/0.46               => ( cJ @ Xx ) ) )
% 0.19/0.46         => ! [Xx: $i,Xy: $i] :
% 0.19/0.46              ( ( ( cF @ Xx )
% 0.19/0.46                & ( cG @ Xy ) )
% 0.19/0.46             => ( ( cH @ Xx )
% 0.19/0.46                & ( cJ @ Xy ) ) ) )
% 0.19/0.46        & ( ! [Xx: $i,Xy: $i] :
% 0.19/0.46              ( ( ( cF @ Xx )
% 0.19/0.46                & ( cG @ Xy ) )
% 0.19/0.46             => ( ( cH @ Xx )
% 0.19/0.46                & ( cJ @ Xy ) ) )
% 0.19/0.46         => ! [Xx: $i] :
% 0.19/0.46              ( ( cG @ Xx )
% 0.19/0.46             => ( cJ @ Xx ) ) ) ) ) ).
% 0.19/0.46  
% 0.19/0.46  %------------------------------------------------------------------------------
% 0.19/0.46  ------------------------
% 1.49/1.25  ---- Embedded in THF ---
% 1.49/1.25  %%% This output was generated by embedproblem, version 1.9.5 (library version 1.9).
% 1.49/1.25  %%% Generated on Tue Feb 24 13:50:24 EST 2026
% 1.49/1.25  %%% using '$$dhol' embedding, version 1.3.0.
% 1.49/1.25  %%% Logic specification used:
% 1.49/1.25  %%% thf(spec, logic, $$dhol).
% 1.49/1.25  
% 1.49/1.25  % SZS output start ListOfTHF for /export/starexec/sandbox/tmp/tmp.OnWfODaFyC/DTF2DTF22879.p
% See solution above
% 1.49/1.25  ------------------------
% 1.49/1.26  ---- Cleaned THF ---
% 1.49/1.26  thf(cJ,type,
% 1.49/1.26      cJ: $i > $o ).
% 1.49/1.26  
% 1.49/1.26  thf(cG,type,
% 1.49/1.26      cG: $i > $o ).
% 1.49/1.26  
% 1.49/1.26  thf(cH,type,
% 1.49/1.26      cH: $i > $o ).
% 1.49/1.26  
% 1.49/1.26  thf(cF,type,
% 1.49/1.26      cF: $i > $o ).
% 1.49/1.26  
% 1.49/1.26  thf(cPELL29,conjecture,
% 1.49/1.26      ( ( ? [Xx: $i] : ( cF @ Xx )
% 1.49/1.26        & ? [Xx: $i] : ( cG @ Xx ) )
% 1.49/1.26     => ( ( ( ! [Xx: $i] :
% 1.49/1.26                ( ( cF @ Xx )
% 1.49/1.26               => ( cH @ Xx ) )
% 1.49/1.26            & ! [Xx: $i] :
% 1.49/1.26                ( ( cG @ Xx )
% 1.49/1.26               => ( cJ @ Xx ) ) )
% 1.49/1.26         => ! [Xx: $i,Xy: $i] :
% 1.49/1.26              ( ( ( cF @ Xx )
% 1.49/1.26                & ( cG @ Xy ) )
% 1.49/1.26             => ( ( cH @ Xx )
% 1.49/1.26                & ( cJ @ Xy ) ) ) )
% 1.49/1.26        & ( ! [Xx: $i,Xy: $i] :
% 1.49/1.26              ( ( ( cF @ Xx )
% 1.49/1.26                & ( cG @ Xy ) )
% 1.49/1.26             => ( ( cH @ Xx )
% 1.49/1.26                & ( cJ @ Xy ) ) )
% 1.49/1.26         => ! [Xx: $i] :
% 1.49/1.26              ( ( cG @ Xx )
% 1.49/1.26             => ( cJ @ Xx ) ) ) ) ) ).
% 1.49/1.26  ------------------------
% 1.49/1.28  % (23212)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_22879 for (3000ds/275Mi)
% 1.49/1.28  % (23212)First to succeed.
% 1.49/1.28  % (23212)Refutation found. Thanks to Tanya!
% 1.49/1.28  % SZS status Theorem for DTF2THF_22879
% 1.49/1.28  % SZS output start Proof for DTF2THF_22879
% 1.49/1.28  thf(func_def_0, type, cJ: $i > $o).
% 1.49/1.28  thf(func_def_1, type, cG: $i > $o).
% 1.49/1.28  thf(func_def_2, type, cH: $i > $o).
% 1.49/1.28  thf(func_def_3, type, cF: $i > $o).
% 1.49/1.28  thf(f107,plain,(
% 1.49/1.28    $false),
% 1.49/1.28    inference(avatar_sat_refutation,[status(thm)],[f38,f46,f51,f59,f66,f92,f99,f101,f106])).
% 1.49/1.28  thf(f106,plain,(
% 1.49/1.28    ~spl6_7),
% 1.49/1.28    inference(avatar_contradiction_clause,[status(thm)],[f105])).
% 1.49/1.28  thf(f105,plain,(
% 1.49/1.28    $false | ~spl6_7),
% 1.49/1.28    inference(trivial_inequality_removal,[status(thm)],[f103])).
% 1.49/1.28  thf(f103,plain,(
% 1.49/1.28    ($true != $true) | ~spl6_7),
% 1.49/1.28    inference(superposition,[status(thm)],[f58,f24])).
% 1.49/1.28  thf(f24,plain,(
% 1.49/1.28    ((cF @ sK5) = $true)),
% 1.49/1.28    inference(cnf_transformation,[status(thm)],[f18])).
% 1.49/1.28  thf(f18,plain,(
% 1.49/1.28    ((sP0 = $true) | ((($true = (cG @ sK3)) & ($true != (cJ @ sK3))) & ! [X1 : $i,X2 : $i] : (((cF @ X2) != $true) | ((cG @ X1) != $true) | (((cH @ X2) = $true) & ((cJ @ X1) = $true))))) & ((cG @ sK4) = $true) & ((cF @ sK5) = $true)),
% 1.49/1.28    inference(skolemisation,[status(esa),new_symbols(skolem,[sK3,sK4,sK5])],[f14,f17,f16,f15])).
% 1.49/1.28  thf(f15,plain,(
% 1.49/1.28    ? [X0 : $i] : (((cG @ X0) = $true) & ((cJ @ X0) != $true)) => (($true = (cG @ sK3)) & ($true != (cJ @ sK3)))),
% 1.49/1.28    introduced(definition,[],[choice_axiom])).
% 1.49/1.28  thf(f16,plain,(
% 1.49/1.28    ? [X3 : $i] : ((cG @ X3) = $true) => ((cG @ sK4) = $true)),
% 1.49/1.28    introduced(definition,[],[choice_axiom])).
% 1.49/1.28  thf(f17,plain,(
% 1.49/1.28    ? [X4 : $i] : ((cF @ X4) = $true) => ((cF @ sK5) = $true)),
% 1.49/1.28    introduced(definition,[],[choice_axiom])).
% 1.49/1.28  thf(f14,plain,(
% 1.49/1.28    ((sP0 = $true) | (? [X0 : $i] : (((cG @ X0) = $true) & ((cJ @ X0) != $true)) & ! [X1 : $i,X2 : $i] : (((cF @ X2) != $true) | ((cG @ X1) != $true) | (((cH @ X2) = $true) & ((cJ @ X1) = $true))))) & ? [X3 : $i] : ((cG @ X3) = $true) & ? [X4 : $i] : ((cF @ X4) = $true)),
% 1.49/1.28    inference(rectify,[status(thm)],[f9])).
% 1.49/1.28  thf(f9,plain,(
% 1.49/1.28    ((sP0 = $true) | (? [X4 : $i] : (($true = (cG @ X4)) & ((cJ @ X4) != $true)) & ! [X3 : $i,X2 : $i] : (((cF @ X2) != $true) | ((cG @ X3) != $true) | (((cH @ X2) = $true) & ((cJ @ X3) = $true))))) & ? [X0 : $i] : ((cG @ X0) = $true) & ? [X1 : $i] : ((cF @ X1) = $true)),
% 1.49/1.28    inference(definition_folding,[status(thm)],[f7,f8])).
% 1.49/1.28  thf(f8,plain,(
% 1.49/1.28    (! [X6 : $i] : (((cJ @ X6) = $true) | ((cG @ X6) != $true)) & ! [X5 : $i] : (((cH @ X5) = $true) | ($true != (cF @ X5))) & ? [X8 : $i,X7 : $i] : (($true = (cF @ X8)) & (((cJ @ X7) != $true) | ((cH @ X8) != $true)) & ((cG @ X7) = $true))) | ~(sP0 = $true)),
% 1.49/1.28    introduced(definition,[new_symbols(naming,[=])],[predicate_definition_introduction])).
% 1.49/1.28  thf(f7,plain,(
% 1.49/1.28    ((! [X6 : $i] : (((cJ @ X6) = $true) | ((cG @ X6) != $true)) & ! [X5 : $i] : (((cH @ X5) = $true) | ($true != (cF @ X5))) & ? [X8 : $i,X7 : $i] : (($true = (cF @ X8)) & (((cJ @ X7) != $true) | ((cH @ X8) != $true)) & ((cG @ X7) = $true))) | (? [X4 : $i] : (($true = (cG @ X4)) & ((cJ @ X4) != $true)) & ! [X3 : $i,X2 : $i] : (((cF @ X2) != $true) | ((cG @ X3) != $true) | (((cH @ X2) = $true) & ((cJ @ X3) = $true))))) & ? [X0 : $i] : ((cG @ X0) = $true) & ? [X1 : $i] : ((cF @ X1) = $true)),
% 1.49/1.28    inference(flattening,[status(thm)],[f6])).
% 1.49/1.28  thf(f6,plain,(
% 1.49/1.28    ((? [X7 : $i,X8 : $i] : ((((cJ @ X7) != $true) | ((cH @ X8) != $true)) & (($true = (cF @ X8)) & ((cG @ X7) = $true))) & (! [X6 : $i] : (((cJ @ X6) = $true) | ((cG @ X6) != $true)) & ! [X5 : $i] : (((cH @ X5) = $true) | ($true != (cF @ X5))))) | (? [X4 : $i] : (($true = (cG @ X4)) & ((cJ @ X4) != $true)) & ! [X3 : $i,X2 : $i] : ((((cH @ X2) = $true) & ((cJ @ X3) = $true)) | (((cG @ X3) != $true) | ((cF @ X2) != $true))))) & (? [X0 : $i] : ((cG @ X0) = $true) & ? [X1 : $i] : ((cF @ X1) = $true))),
% 1.49/1.28    inference(ennf_transformation,[status(thm)],[f5])).
% 1.49/1.28  thf(f5,plain,(
% 1.49/1.28    ~((? [X0 : $i] : ((cG @ X0) = $true) & ? [X1 : $i] : ((cF @ X1) = $true)) => (((! [X6 : $i] : (((cG @ X6) = $true) => ((cJ @ X6) = $true)) & ! [X5 : $i] : (($true = (cF @ X5)) => ((cH @ X5) = $true))) => ! [X7 : $i,X8 : $i] : ((($true = (cF @ X8)) & ((cG @ X7) = $true)) => (((cH @ X8) = $true) & ((cJ @ X7) = $true)))) & (! [X3 : $i,X2 : $i] : ((((cG @ X3) = $true) & ((cF @ X2) = $true)) => (((cH @ X2) = $true) & ((cJ @ X3) = $true))) => ! [X4 : $i] : (($true = (cG @ X4)) => ((cJ @ X4) = $true)))))),
% 1.49/1.28    inference(fool_elimination,[status(thm)],[f4])).
% 1.49/1.28  thf(f4,plain,(
% 1.49/1.28    ~((? [X0 : $i] : (cG @ X0) & ? [X1 : $i] : (cF @ X1)) => ((! [X2 : $i,X3 : $i] : (((cG @ X3) & (cF @ X2)) => ((cJ @ X3) & (cH @ X2))) => ! [X4 : $i] : ((cG @ X4) => (cJ @ X4))) & ((! [X5 : $i] : ((cF @ X5) => (cH @ X5)) & ! [X6 : $i] : ((cG @ X6) => (cJ @ X6))) => ! [X7 : $i,X8 : $i] : (((cF @ X8) & (cG @ X7)) => ((cH @ X8) & (cJ @ X7))))))),
% 1.49/1.28    inference(rectify,[status(thm)],[f2])).
% 1.49/1.28  thf(f2,negated_conjecture,(
% 1.49/1.28    ~((? [X0 : $i] : (cG @ X0) & ? [X0 : $i] : (cF @ X0)) => ((! [X0 : $i,X1 : $i] : (((cG @ X1) & (cF @ X0)) => ((cJ @ X1) & (cH @ X0))) => ! [X0 : $i] : ((cG @ X0) => (cJ @ X0))) & ((! [X0 : $i] : ((cF @ X0) => (cH @ X0)) & ! [X0 : $i] : ((cG @ X0) => (cJ @ X0))) => ! [X1 : $i,X0 : $i] : (((cF @ X0) & (cG @ X1)) => ((cH @ X0) & (cJ @ X1))))))),
% 1.49/1.28    inference(negated_conjecture,[status(cth)],[f1])).
% 1.49/1.28  thf(f1,conjecture,(
% 1.49/1.28    (? [X0 : $i] : (cG @ X0) & ? [X0 : $i] : (cF @ X0)) => ((! [X0 : $i,X1 : $i] : (((cG @ X1) & (cF @ X0)) => ((cJ @ X1) & (cH @ X0))) => ! [X0 : $i] : ((cG @ X0) => (cJ @ X0))) & ((! [X0 : $i] : ((cF @ X0) => (cH @ X0)) & ! [X0 : $i] : ((cG @ X0) => (cJ @ X0))) => ! [X1 : $i,X0 : $i] : (((cF @ X0) & (cG @ X1)) => ((cH @ X0) & (cJ @ X1)))))),
% 1.49/1.28    file('/export/starexec/sandbox/tmp/tmp.OnWfODaFyC/DTF2THF_22879.p',cPELL29)).
% 1.49/1.28  thf(f58,plain,(
% 1.49/1.28    ( ! [X2 : $i] : (((cF @ X2) != $true)) ) | ~spl6_7),
% 1.49/1.28    inference(avatar_component_clause,[status(thm)],[f57])).
% 1.49/1.28  thf(f57,definition,(
% 1.49/1.28    spl6_7 <=> ! [X2 : $i] : ((cF @ X2) != $true)),
% 1.49/1.28    introduced(definition,[new_symbols(naming,[spl6_7])],[avatar_definition])).
% 1.49/1.28  thf(f101,plain,(
% 1.49/1.28    ~spl6_2 | spl6_5 | ~spl6_6),
% 1.49/1.28    inference(avatar_split_clause,[status(thm)],[f73,f54,f48,f35])).
% 1.49/1.28  thf(f35,definition,(
% 1.49/1.28    spl6_2 <=> ($true = (cG @ sK3))),
% 1.49/1.28    introduced(definition,[new_symbols(naming,[spl6_2])],[avatar_definition])).
% 1.49/1.28  thf(f48,definition,(
% 1.49/1.28    spl6_5 <=> ($true = (cJ @ sK3))),
% 1.49/1.28    introduced(definition,[new_symbols(naming,[spl6_5])],[avatar_definition])).
% 1.49/1.28  thf(f54,definition,(
% 1.49/1.28    spl6_6 <=> ! [X1 : $i] : (((cJ @ X1) = $true) | ((cG @ X1) != $true))),
% 1.49/1.28    introduced(definition,[new_symbols(naming,[spl6_6])],[avatar_definition])).
% 1.49/1.28  thf(f73,plain,(
% 1.49/1.28    ($true != (cG @ sK3)) | (spl6_5 | ~spl6_6)),
% 1.49/1.28    inference(trivial_inequality_removal,[status(thm)],[f72])).
% 1.49/1.28  thf(f72,plain,(
% 1.49/1.28    ($true != (cG @ sK3)) | ($true != $true) | (spl6_5 | ~spl6_6)),
% 1.49/1.28    inference(superposition,[status(thm)],[f50,f55])).
% 1.49/1.28  thf(f55,plain,(
% 1.49/1.28    ( ! [X1 : $i] : (((cJ @ X1) = $true) | ((cG @ X1) != $true)) ) | ~spl6_6),
% 1.49/1.28    inference(avatar_component_clause,[status(thm)],[f54])).
% 1.49/1.28  thf(f50,plain,(
% 1.49/1.28    ($true != (cJ @ sK3)) | spl6_5),
% 1.49/1.28    inference(avatar_component_clause,[status(thm)],[f48])).
% 1.49/1.28  thf(f99,plain,(
% 1.49/1.28    ~spl6_1 | ~spl6_6 | ~spl6_8),
% 1.49/1.28    inference(avatar_split_clause,[status(thm)],[f98,f77,f54,f31])).
% 1.49/1.28  thf(f31,definition,(
% 1.49/1.28    spl6_1 <=> (sP0 = $true)),
% 1.49/1.28    introduced(definition,[new_symbols(naming,[spl6_1])],[avatar_definition])).
% 1.49/1.28  thf(f77,definition,(
% 1.49/1.28    spl6_8 <=> ((cH @ sK1) = $true)),
% 1.49/1.28    introduced(definition,[new_symbols(naming,[spl6_8])],[avatar_definition])).
% 1.49/1.28  thf(f98,plain,(
% 1.49/1.28    (sP0 != $true) | (~spl6_6 | ~spl6_8)),
% 1.49/1.28    inference(subsumption_resolution,[status(thm)],[f97,f19])).
% 1.49/1.28  thf(f19,plain,(
% 1.49/1.28    ((cG @ sK2) = $true) | (sP0 != $true)),
% 1.49/1.28    inference(cnf_transformation,[status(thm)],[f13])).
% 1.49/1.28  thf(f13,plain,(
% 1.49/1.28    (! [X0 : $i] : (((cJ @ X0) = $true) | ((cG @ X0) != $true)) & ! [X1 : $i] : (((cH @ X1) = $true) | ((cF @ X1) != $true)) & (((cF @ sK1) = $true) & (($true != (cJ @ sK2)) | ((cH @ sK1) != $true)) & ((cG @ sK2) = $true))) | (sP0 != $true)),
% 1.49/1.28    inference(skolemisation,[status(esa),new_symbols(skolem,[sK1,sK2])],[f11,f12])).
% 1.49/1.28  thf(f12,plain,(
% 1.49/1.28    ? [X2 : $i,X3 : $i] : (((cF @ X2) = $true) & (((cJ @ X3) != $true) | ((cH @ X2) != $true)) & ((cG @ X3) = $true)) => (((cF @ sK1) = $true) & (($true != (cJ @ sK2)) | ((cH @ sK1) != $true)) & ((cG @ sK2) = $true))),
% 1.49/1.28    introduced(definition,[],[choice_axiom])).
% 1.49/1.28  thf(f11,plain,(
% 1.49/1.28    (! [X0 : $i] : (((cJ @ X0) = $true) | ((cG @ X0) != $true)) & ! [X1 : $i] : (((cH @ X1) = $true) | ((cF @ X1) != $true)) & ? [X2 : $i,X3 : $i] : (((cF @ X2) = $true) & (((cJ @ X3) != $true) | ((cH @ X2) != $true)) & ((cG @ X3) = $true))) | (sP0 != $true)),
% 1.49/1.28    inference(rectify,[status(thm)],[f10])).
% 1.49/1.28  thf(f10,plain,(
% 1.49/1.28    (! [X6 : $i] : (((cJ @ X6) = $true) | ((cG @ X6) != $true)) & ! [X5 : $i] : (((cH @ X5) = $true) | ($true != (cF @ X5))) & ? [X8 : $i,X7 : $i] : (($true = (cF @ X8)) & (((cJ @ X7) != $true) | ((cH @ X8) != $true)) & ((cG @ X7) = $true))) | (sP0 != $true)),
% 1.49/1.28    inference(nnf_transformation,[status(thm)],[f8])).
% 1.49/1.28  thf(f97,plain,(
% 1.49/1.28    ((cG @ sK2) != $true) | (sP0 != $true) | (~spl6_6 | ~spl6_8)),
% 1.49/1.28    inference(subsumption_resolution,[status(thm)],[f74,f78])).
% 1.49/1.28  thf(f78,plain,(
% 1.49/1.28    ((cH @ sK1) = $true) | ~spl6_8),
% 1.49/1.28    inference(avatar_component_clause,[status(thm)],[f77])).
% 1.49/1.28  thf(f74,plain,(
% 1.49/1.28    ((cH @ sK1) != $true) | (sP0 != $true) | ((cG @ sK2) != $true) | ~spl6_6),
% 1.49/1.28    inference(trivial_inequality_removal,[status(thm)],[f71])).
% 1.49/1.28  thf(f71,plain,(
% 1.49/1.28    ((cG @ sK2) != $true) | (sP0 != $true) | ($true != $true) | ((cH @ sK1) != $true) | ~spl6_6),
% 1.49/1.28    inference(superposition,[status(thm)],[f20,f55])).
% 1.49/1.28  thf(f20,plain,(
% 1.49/1.28    ($true != (cJ @ sK2)) | ((cH @ sK1) != $true) | (sP0 != $true)),
% 1.49/1.28    inference(cnf_transformation,[status(thm)],[f13])).
% 1.49/1.28  thf(f92,plain,(
% 1.49/1.28    ~spl6_1 | ~spl6_4 | spl6_8),
% 1.49/1.28    inference(avatar_contradiction_clause,[status(thm)],[f91])).
% 1.49/1.28  thf(f91,plain,(
% 1.49/1.28    $false | (~spl6_1 | ~spl6_4 | spl6_8)),
% 1.49/1.28    inference(subsumption_resolution,[status(thm)],[f90,f33])).
% 1.49/1.28  thf(f33,plain,(
% 1.49/1.28    (sP0 = $true) | ~spl6_1),
% 1.49/1.28    inference(avatar_component_clause,[status(thm)],[f31])).
% 1.49/1.28  thf(f90,plain,(
% 1.49/1.28    (sP0 != $true) | (~spl6_4 | spl6_8)),
% 1.49/1.28    inference(trivial_inequality_removal,[status(thm)],[f89])).
% 1.49/1.28  thf(f89,plain,(
% 1.49/1.28    ($true != $true) | (sP0 != $true) | (~spl6_4 | spl6_8)),
% 1.49/1.28    inference(superposition,[status(thm)],[f88,f21])).
% 1.49/1.28  thf(f21,plain,(
% 1.49/1.28    ((cF @ sK1) = $true) | (sP0 != $true)),
% 1.49/1.28    inference(cnf_transformation,[status(thm)],[f13])).
% 1.49/1.28  thf(f88,plain,(
% 1.49/1.28    ((cF @ sK1) != $true) | (~spl6_4 | spl6_8)),
% 1.49/1.28    inference(trivial_inequality_removal,[status(thm)],[f85])).
% 1.49/1.28  thf(f85,plain,(
% 1.49/1.28    ($true != $true) | ((cF @ sK1) != $true) | (~spl6_4 | spl6_8)),
% 1.49/1.28    inference(superposition,[status(thm)],[f79,f45])).
% 1.49/1.28  thf(f45,plain,(
% 1.49/1.28    ( ! [X2 : $i] : (((cH @ X2) = $true) | ((cF @ X2) != $true)) ) | ~spl6_4),
% 1.49/1.28    inference(avatar_component_clause,[status(thm)],[f44])).
% 1.49/1.28  thf(f44,definition,(
% 1.49/1.28    spl6_4 <=> ! [X2 : $i] : (((cF @ X2) != $true) | ((cH @ X2) = $true))),
% 1.49/1.28    introduced(definition,[new_symbols(naming,[spl6_4])],[avatar_definition])).
% 1.49/1.28  thf(f79,plain,(
% 1.49/1.28    ((cH @ sK1) != $true) | spl6_8),
% 1.49/1.28    inference(avatar_component_clause,[status(thm)],[f77])).
% 1.49/1.28  thf(f66,plain,(
% 1.49/1.28    ~spl6_3),
% 1.49/1.28    inference(avatar_contradiction_clause,[status(thm)],[f65])).
% 1.49/1.28  thf(f65,plain,(
% 1.49/1.28    $false | ~spl6_3),
% 1.49/1.28    inference(trivial_inequality_removal,[status(thm)],[f63])).
% 1.49/1.28  thf(f63,plain,(
% 1.49/1.28    ($true != $true) | ~spl6_3),
% 1.49/1.28    inference(superposition,[status(thm)],[f42,f25])).
% 1.49/1.28  thf(f25,plain,(
% 1.49/1.28    ((cG @ sK4) = $true)),
% 1.49/1.28    inference(cnf_transformation,[status(thm)],[f18])).
% 1.49/1.28  thf(f42,plain,(
% 1.49/1.28    ( ! [X1 : $i] : (((cG @ X1) != $true)) ) | ~spl6_3),
% 1.49/1.28    inference(avatar_component_clause,[status(thm)],[f41])).
% 1.49/1.28  thf(f41,definition,(
% 1.49/1.28    spl6_3 <=> ! [X1 : $i] : ((cG @ X1) != $true)),
% 1.49/1.28    introduced(definition,[new_symbols(naming,[spl6_3])],[avatar_definition])).
% 1.49/1.28  thf(f59,plain,(
% 1.49/1.28    spl6_6 | spl6_7),
% 1.49/1.28    inference(avatar_split_clause,[status(thm)],[f52,f57,f54])).
% 1.49/1.28  thf(f52,plain,(
% 1.49/1.28    ( ! [X2 : $i,X1 : $i] : (((cJ @ X1) = $true) | ((cF @ X2) != $true) | ((cG @ X1) != $true)) )),
% 1.49/1.28    inference(subsumption_resolution,[status(thm)],[f26,f23])).
% 1.49/1.28  thf(f23,plain,(
% 1.49/1.28    ( ! [X0 : $i] : (((cJ @ X0) = $true) | ((cG @ X0) != $true) | (sP0 != $true)) )),
% 1.49/1.28    inference(cnf_transformation,[status(thm)],[f13])).
% 1.49/1.28  thf(f26,plain,(
% 1.49/1.28    ( ! [X2 : $i,X1 : $i] : (((cF @ X2) != $true) | ((cG @ X1) != $true) | (sP0 = $true) | ((cJ @ X1) = $true)) )),
% 1.49/1.28    inference(cnf_transformation,[status(thm)],[f18])).
% 1.49/1.28  thf(f51,plain,(
% 1.49/1.28    spl6_1 | ~spl6_5),
% 1.49/1.28    inference(avatar_split_clause,[status(thm)],[f28,f48,f31])).
% 1.49/1.28  thf(f28,plain,(
% 1.49/1.28    (sP0 = $true) | ($true != (cJ @ sK3))),
% 1.49/1.28    inference(cnf_transformation,[status(thm)],[f18])).
% 1.49/1.28  thf(f46,plain,(
% 1.49/1.28    spl6_3 | spl6_4),
% 1.49/1.28    inference(avatar_split_clause,[status(thm)],[f39,f44,f41])).
% 1.49/1.28  thf(f39,plain,(
% 1.49/1.28    ( ! [X2 : $i,X1 : $i] : (((cF @ X2) != $true) | ((cH @ X2) = $true) | ((cG @ X1) != $true)) )),
% 1.49/1.28    inference(subsumption_resolution,[status(thm)],[f27,f22])).
% 1.49/1.28  thf(f22,plain,(
% 1.49/1.28    ( ! [X1 : $i] : (((cH @ X1) = $true) | ((cF @ X1) != $true) | (sP0 != $true)) )),
% 1.49/1.28    inference(cnf_transformation,[status(thm)],[f13])).
% 1.49/1.28  thf(f27,plain,(
% 1.49/1.28    ( ! [X2 : $i,X1 : $i] : (((cH @ X2) = $true) | ((cF @ X2) != $true) | ((cG @ X1) != $true) | (sP0 = $true)) )),
% 1.49/1.28    inference(cnf_transformation,[status(thm)],[f18])).
% 1.49/1.28  thf(f38,plain,(
% 1.49/1.28    spl6_1 | spl6_2),
% 1.49/1.28    inference(avatar_split_clause,[status(thm)],[f29,f35,f31])).
% 1.49/1.28  thf(f29,plain,(
% 1.49/1.28    ($true = (cG @ sK3)) | (sP0 = $true)),
% 1.49/1.28    inference(cnf_transformation,[status(thm)],[f18])).
% 1.49/1.28  % SZS output end Proof for DTF2THF_22879
% 1.49/1.28  % (23212)------------------------------
% 1.49/1.28  % (23212)Version: Vampire 4.8 (commit 7b44b1c2f on 2025-07-15 09:50:17 +0100)
% 1.49/1.28  % (23212)Termination reason: Refutation
% 1.49/1.28  
% 1.49/1.28  % (23212)Memory used [KB]: 5500
% 1.49/1.28  % (23212)Time elapsed: 0.005 s
% 1.49/1.28  % (23212)Instructions burned: 5 (million)
% 1.49/1.28  % (23212)------------------------------
% 1.49/1.28  % (23212)------------------------------
% 1.49/1.28  % (23206)Success in time 0.014 s
%------------------------------------------------------------------------------