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DT2H2X---1.9.5.THM-Ref.s

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%------------------------------------------------------------------------------
% File     : DT2H2X---1.9.5
% Problem  : SEV124^5 : 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 : n011.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 09:40:20 AM UTC 2026

% Result   : Theorem 1.81s 1.50s
% Output   : Refutation 1.81s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   32
%            Number of leaves      :    8
% Syntax   : Number of formulae    :   60 (   7 unt;   0 typ;   3 def)
%            Number of atoms       :  648 ( 203 equ;   0 cnn)
%            Maximal formula atoms :   22 (  10 avg)
%            Number of connectives : 1092 ( 107   ~; 123   |;  78   &; 671   @)
%                                         (   3 <=>;  64  =>;   0  <=;   0 <~>)
%            Maximal formula depth :   18 (   7 avg)
%            Number of types       :    2 (   1 usr)
%            Number of type conns  :  254 ( 254   >;   0   *;   0   +;   0  <<)
%            Number of symbols     :   18 (  14 usr;   8 con; 0-5 aty)
%                                         (  46  !!;   0  ??;   0 @@+;   0 @@-)
%            Number of variables   :  289 (  77   ^; 158   !;  54   ?; 289   :)

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

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

thf(func_def_2,type,
    vEPSILON: 
      !>[X0: $tType] : ( ( X0 > $o ) > X0 ) ).

thf(func_def_12,type,
    sK0: ( a > a > $o ) > $o ).

thf(func_def_13,type,
    sK1: ( a > a > $o ) > $o ).

thf(func_def_14,type,
    sK2: a ).

thf(func_def_15,type,
    sK3: a ).

thf(func_def_16,type,
    sK4: a > a > $o ).

thf(func_def_17,type,
    sK5: ( a > a > $o ) > a ).

thf(func_def_18,type,
    sK6: ( a > a > $o ) > a ).

thf(func_def_19,type,
    sK7: ( a > a > $o ) > a > a > $o ).

thf(func_def_21,type,
    sK9: ( a > a > $o ) > a > a > a > a > $o ).

thf(func_def_22,type,
    ph10: 
      !>[X0: $tType] : X0 ).

thf(f82,plain,
    $false,
    inference(avatar_sat_refutation,[status(thm)],[f43,f54,f57,f81]) ).

thf(f81,plain,
    ( spl8_1
    | ~ spl8_2
    | ~ spl8_3 ),
    inference(avatar_split_clause,[status(thm)],[f80,f51,f40,f36]) ).

thf(f36,definition,
    ( spl8_1
  <=> ( $true
      = ( sK4 @ sK2 @ sK3 ) ) ),
    introduced(definition,[new_symbols(naming,[spl8_1])],[avatar_definition]) ).

thf(f40,definition,
    ( spl8_2
  <=> ( $true
      = ( sK1 @ ( sK7 @ sK4 ) ) ) ),
    introduced(definition,[new_symbols(naming,[spl8_2])],[avatar_definition]) ).

thf(f51,definition,
    ( spl8_3
  <=> ( $true
      = ( sK7 @ sK4 @ ( sK5 @ sK4 ) @ ( sK6 @ sK4 ) ) ) ),
    introduced(definition,[new_symbols(naming,[spl8_3])],[avatar_definition]) ).

thf(f80,plain,
    ( ( $true
      = ( sK4 @ sK2 @ sK3 ) )
    | ~ spl8_2
    | ~ spl8_3 ),
    inference(trivial_inequality_removal,[status(thm)],[f79]) ).

thf(f79,plain,
    ( ( $true
      = ( sK4 @ sK2 @ sK3 ) )
    | ( $true != $true )
    | ~ spl8_2
    | ~ spl8_3 ),
    inference(forward_demodulation,[status(thm)],[f78,f19]) ).

thf(f19,plain,
    ( $true
    = ( sK0 @ sK4 ) ),
    inference(cnf_transformation,[status(thm)],[f13]) ).

thf(f13,plain,
    ( ( $true
      = ( sK0 @ sK4 ) )
    & ! [X5: a,X6: a] :
        ( ! [X7: a > a > $o] :
            ( ! [X8: a > a > $o] :
                ( ( $true
                 != ( sK1 @ X8 ) )
                | ( ( ^ [Y0: a,Y1: a] :
                        ( !! @ ( a > a > $o )
                        @ ^ [Y2: a > a > $o] :
                            ( ( ( sK0 @ Y2 )
                              & ( !! @ a
                                @ ^ [Y3: a] :
                                    ( !! @ a
                                    @ ^ [Y4: a] :
                                        ( ( X8 @ Y3 @ Y4 )
                                       => ( Y2 @ Y3 @ Y4 ) ) ) ) )
                           => ( Y2 @ Y0 @ Y1 ) ) ) )
                 != X7 ) )
            | ( ( X7 @ X5 @ X6 )
             != $true ) )
        | ( ( sK4 @ X5 @ X6 )
          = $true ) )
    & ( $true
     != ( sK4 @ sK2 @ sK3 ) )
    & ! [X9: a > a > $o] :
        ( ( $true
         != ( sK0 @ X9 ) )
        | ( $true
          = ( X9 @ sK2 @ sK3 ) )
        | ( ( $true
            = ( sK7 @ X9 @ ( sK5 @ X9 ) @ ( sK6 @ X9 ) ) )
          & ( $true
            = ( sK1 @ ( sK7 @ X9 ) ) )
          & ( ( X9 @ ( sK5 @ X9 ) @ ( sK6 @ X9 ) )
           != $true ) ) ) ),
    inference(skolemisation,[status(esa),new_symbols(skolem,[sK0,sK1,sK2,sK3,sK4,sK5,sK6,sK7])],[f8,f12,f11,f10,f9]) ).

thf(f9,plain,
    ( ? [X0: ( a > a > $o ) > $o,X1: ( a > a > $o ) > $o,X2: a,X3: a] :
        ( ? [X4: a > a > $o] :
            ( ( ( X0 @ X4 )
              = $true )
            & ! [X5: a,X6: a] :
                ( ! [X7: a > a > $o] :
                    ( ! [X8: a > a > $o] :
                        ( ( ( X1 @ X8 )
                         != $true )
                        | ( ( ^ [Y0: a,Y1: a] :
                                ( !! @ ( a > a > $o )
                                @ ^ [Y2: a > a > $o] :
                                    ( ( ( X0 @ Y2 )
                                      & ( !! @ a
                                        @ ^ [Y3: a] :
                                            ( !! @ a
                                            @ ^ [Y4: a] :
                                                ( ( X8 @ Y3 @ Y4 )
                                               => ( Y2 @ Y3 @ Y4 ) ) ) ) )
                                   => ( Y2 @ Y0 @ Y1 ) ) ) )
                         != X7 ) )
                    | ( ( X7 @ X5 @ X6 )
                     != $true ) )
                | ( ( X4 @ X5 @ X6 )
                  = $true ) )
            & ( ( X4 @ X2 @ X3 )
             != $true ) )
        & ! [X9: a > a > $o] :
            ( ( $true
             != ( X0 @ X9 ) )
            | ( $true
              = ( X9 @ X2 @ X3 ) )
            | ? [X10: a,X11: a] :
                ( ? [X12: a > a > $o] :
                    ( ( ( X12 @ X10 @ X11 )
                      = $true )
                    & ( $true
                      = ( X1 @ X12 ) ) )
                & ( $true
                 != ( X9 @ X10 @ X11 ) ) ) ) )
   => ( ? [X4: a > a > $o] :
          ( ( $true
            = ( sK0 @ X4 ) )
          & ! [X6: a,X5: a] :
              ( ! [X7: a > a > $o] :
                  ( ! [X8: a > a > $o] :
                      ( ( $true
                       != ( sK1 @ X8 ) )
                      | ( ( ^ [Y0: a,Y1: a] :
                              ( !! @ ( a > a > $o )
                              @ ^ [Y2: a > a > $o] :
                                  ( ( ( sK0 @ Y2 )
                                    & ( !! @ a
                                      @ ^ [Y3: a] :
                                          ( !! @ a
                                          @ ^ [Y4: a] :
                                              ( ( X8 @ Y3 @ Y4 )
                                             => ( Y2 @ Y3 @ Y4 ) ) ) ) )
                                 => ( Y2 @ Y0 @ Y1 ) ) ) )
                       != X7 ) )
                  | ( ( X7 @ X5 @ X6 )
                   != $true ) )
              | ( ( X4 @ X5 @ X6 )
                = $true ) )
          & ( $true
           != ( X4 @ sK2 @ sK3 ) ) )
      & ! [X9: a > a > $o] :
          ( ( $true
           != ( sK0 @ X9 ) )
          | ( $true
            = ( X9 @ sK2 @ sK3 ) )
          | ? [X11: a,X10: a] :
              ( ? [X12: a > a > $o] :
                  ( ( ( X12 @ X10 @ X11 )
                    = $true )
                  & ( $true
                    = ( sK1 @ X12 ) ) )
              & ( $true
               != ( X9 @ X10 @ X11 ) ) ) ) ) ),
    introduced(definition,[],[choice_axiom]) ).

thf(f10,plain,
    ( ? [X4: a > a > $o] :
        ( ( $true
          = ( sK0 @ X4 ) )
        & ! [X6: a,X5: a] :
            ( ! [X7: a > a > $o] :
                ( ! [X8: a > a > $o] :
                    ( ( $true
                     != ( sK1 @ X8 ) )
                    | ( ( ^ [Y0: a,Y1: a] :
                            ( !! @ ( a > a > $o )
                            @ ^ [Y2: a > a > $o] :
                                ( ( ( sK0 @ Y2 )
                                  & ( !! @ a
                                    @ ^ [Y3: a] :
                                        ( !! @ a
                                        @ ^ [Y4: a] :
                                            ( ( X8 @ Y3 @ Y4 )
                                           => ( Y2 @ Y3 @ Y4 ) ) ) ) )
                               => ( Y2 @ Y0 @ Y1 ) ) ) )
                     != X7 ) )
                | ( ( X7 @ X5 @ X6 )
                 != $true ) )
            | ( ( X4 @ X5 @ X6 )
              = $true ) )
        & ( $true
         != ( X4 @ sK2 @ sK3 ) ) )
   => ( ( $true
        = ( sK0 @ sK4 ) )
      & ! [X6: a,X5: a] :
          ( ! [X7: a > a > $o] :
              ( ! [X8: a > a > $o] :
                  ( ( $true
                   != ( sK1 @ X8 ) )
                  | ( ( ^ [Y0: a,Y1: a] :
                          ( !! @ ( a > a > $o )
                          @ ^ [Y2: a > a > $o] :
                              ( ( ( sK0 @ Y2 )
                                & ( !! @ a
                                  @ ^ [Y3: a] :
                                      ( !! @ a
                                      @ ^ [Y4: a] :
                                          ( ( X8 @ Y3 @ Y4 )
                                         => ( Y2 @ Y3 @ Y4 ) ) ) ) )
                             => ( Y2 @ Y0 @ Y1 ) ) ) )
                   != X7 ) )
              | ( ( X7 @ X5 @ X6 )
               != $true ) )
          | ( ( sK4 @ X5 @ X6 )
            = $true ) )
      & ( $true
       != ( sK4 @ sK2 @ sK3 ) ) ) ),
    introduced(definition,[],[choice_axiom]) ).

thf(f11,plain,
    ! [X9: a > a > $o] :
      ( ? [X11: a,X10: a] :
          ( ? [X12: a > a > $o] :
              ( ( ( X12 @ X10 @ X11 )
                = $true )
              & ( $true
                = ( sK1 @ X12 ) ) )
          & ( $true
           != ( X9 @ X10 @ X11 ) ) )
     => ( ? [X12: a > a > $o] :
            ( ( $true
              = ( X12 @ ( sK5 @ X9 ) @ ( sK6 @ X9 ) ) )
            & ( $true
              = ( sK1 @ X12 ) ) )
        & ( ( X9 @ ( sK5 @ X9 ) @ ( sK6 @ X9 ) )
         != $true ) ) ),
    introduced(definition,[],[choice_axiom]) ).

thf(f12,plain,
    ! [X9: a > a > $o] :
      ( ? [X12: a > a > $o] :
          ( ( $true
            = ( X12 @ ( sK5 @ X9 ) @ ( sK6 @ X9 ) ) )
          & ( $true
            = ( sK1 @ X12 ) ) )
     => ( ( $true
          = ( sK7 @ X9 @ ( sK5 @ X9 ) @ ( sK6 @ X9 ) ) )
        & ( $true
          = ( sK1 @ ( sK7 @ X9 ) ) ) ) ),
    introduced(definition,[],[choice_axiom]) ).

thf(f8,plain,
    ? [X0: ( a > a > $o ) > $o,X1: ( a > a > $o ) > $o,X2: a,X3: a] :
      ( ? [X4: a > a > $o] :
          ( ( ( X0 @ X4 )
            = $true )
          & ! [X5: a,X6: a] :
              ( ! [X7: a > a > $o] :
                  ( ! [X8: a > a > $o] :
                      ( ( ( X1 @ X8 )
                       != $true )
                      | ( ( ^ [Y0: a,Y1: a] :
                              ( !! @ ( a > a > $o )
                              @ ^ [Y2: a > a > $o] :
                                  ( ( ( X0 @ Y2 )
                                    & ( !! @ a
                                      @ ^ [Y3: a] :
                                          ( !! @ a
                                          @ ^ [Y4: a] :
                                              ( ( X8 @ Y3 @ Y4 )
                                             => ( Y2 @ Y3 @ Y4 ) ) ) ) )
                                 => ( Y2 @ Y0 @ Y1 ) ) ) )
                       != X7 ) )
                  | ( ( X7 @ X5 @ X6 )
                   != $true ) )
              | ( ( X4 @ X5 @ X6 )
                = $true ) )
          & ( ( X4 @ X2 @ X3 )
           != $true ) )
      & ! [X9: a > a > $o] :
          ( ( $true
           != ( X0 @ X9 ) )
          | ( $true
            = ( X9 @ X2 @ X3 ) )
          | ? [X10: a,X11: a] :
              ( ? [X12: a > a > $o] :
                  ( ( ( X12 @ X10 @ X11 )
                    = $true )
                  & ( $true
                    = ( X1 @ X12 ) ) )
              & ( $true
               != ( X9 @ X10 @ X11 ) ) ) ) ),
    inference(rectify,[status(thm)],[f7]) ).

thf(f7,plain,
    ? [X0: ( a > a > $o ) > $o,X1: ( a > a > $o ) > $o,X2: a,X3: a] :
      ( ? [X8: a > a > $o] :
          ( ( ( X0 @ X8 )
            = $true )
          & ! [X9: a,X10: a] :
              ( ! [X11: a > a > $o] :
                  ( ! [X12: a > a > $o] :
                      ( ( $true
                       != ( X1 @ X12 ) )
                      | ( ( ^ [Y0: a,Y1: a] :
                              ( !! @ ( a > a > $o )
                              @ ^ [Y2: a > a > $o] :
                                  ( ( ( X0 @ Y2 )
                                    & ( !! @ a
                                      @ ^ [Y3: a] :
                                          ( !! @ a
                                          @ ^ [Y4: a] :
                                              ( ( X12 @ Y3 @ Y4 )
                                             => ( Y2 @ Y3 @ Y4 ) ) ) ) )
                                 => ( Y2 @ Y0 @ Y1 ) ) ) )
                       != X11 ) )
                  | ( ( X11 @ X9 @ X10 )
                   != $true ) )
              | ( $true
                = ( X8 @ X9 @ X10 ) ) )
          & ( $true
           != ( X8 @ X2 @ X3 ) ) )
      & ! [X4: a > a > $o] :
          ( ( ( X0 @ X4 )
           != $true )
          | ( ( X4 @ X2 @ X3 )
            = $true )
          | ? [X5: a,X6: a] :
              ( ? [X7: a > a > $o] :
                  ( ( ( X7 @ X5 @ X6 )
                    = $true )
                  & ( ( X1 @ X7 )
                    = $true ) )
              & ( ( X4 @ X5 @ X6 )
               != $true ) ) ) ),
    inference(flattening,[status(thm)],[f6]) ).

thf(f6,plain,
    ? [X0: ( a > a > $o ) > $o,X1: ( a > a > $o ) > $o,X2: a,X3: a] :
      ( ? [X8: a > a > $o] :
          ( ( $true
           != ( X8 @ X2 @ X3 ) )
          & ( ( X0 @ X8 )
            = $true )
          & ! [X9: a,X10: a] :
              ( ! [X11: a > a > $o] :
                  ( ! [X12: a > a > $o] :
                      ( ( $true
                       != ( X1 @ X12 ) )
                      | ( ( ^ [Y0: a,Y1: a] :
                              ( !! @ ( a > a > $o )
                              @ ^ [Y2: a > a > $o] :
                                  ( ( ( X0 @ Y2 )
                                    & ( !! @ a
                                      @ ^ [Y3: a] :
                                          ( !! @ a
                                          @ ^ [Y4: a] :
                                              ( ( X12 @ Y3 @ Y4 )
                                             => ( Y2 @ Y3 @ Y4 ) ) ) ) )
                                 => ( Y2 @ Y0 @ Y1 ) ) ) )
                       != X11 ) )
                  | ( ( X11 @ X9 @ X10 )
                   != $true ) )
              | ( $true
                = ( X8 @ X9 @ X10 ) ) ) )
      & ! [X4: a > a > $o] :
          ( ( ( X4 @ X2 @ X3 )
            = $true )
          | ( ( X0 @ X4 )
           != $true )
          | ? [X5: a,X6: a] :
              ( ? [X7: a > a > $o] :
                  ( ( ( X7 @ X5 @ X6 )
                    = $true )
                  & ( ( X1 @ X7 )
                    = $true ) )
              & ( ( X4 @ X5 @ X6 )
               != $true ) ) ) ),
    inference(ennf_transformation,[status(thm)],[f5]) ).

thf(f5,plain,
    ~ ! [X0: ( a > a > $o ) > $o,X1: ( a > a > $o ) > $o,X2: a,X3: a] :
        ( ! [X4: a > a > $o] :
            ( ( ( ( X0 @ X4 )
                = $true )
              & ! [X5: a,X6: a] :
                  ( ? [X7: a > a > $o] :
                      ( ( ( X7 @ X5 @ X6 )
                        = $true )
                      & ( ( X1 @ X7 )
                        = $true ) )
                 => ( ( X4 @ X5 @ X6 )
                    = $true ) ) )
           => ( ( X4 @ X2 @ X3 )
              = $true ) )
       => ! [X8: a > a > $o] :
            ( ( ( ( X0 @ X8 )
                = $true )
              & ! [X9: a,X10: a] :
                  ( ? [X11: a > a > $o] :
                      ( ? [X12: a > a > $o] :
                          ( ( ( ^ [Y0: a,Y1: a] :
                                  ( !! @ ( a > a > $o )
                                  @ ^ [Y2: a > a > $o] :
                                      ( ( ( X0 @ Y2 )
                                        & ( !! @ a
                                          @ ^ [Y3: a] :
                                              ( !! @ a
                                              @ ^ [Y4: a] :
                                                  ( ( X12 @ Y3 @ Y4 )
                                                 => ( Y2 @ Y3 @ Y4 ) ) ) ) )
                                     => ( Y2 @ Y0 @ Y1 ) ) ) )
                            = X11 )
                          & ( $true
                            = ( X1 @ X12 ) ) )
                      & ( ( X11 @ X9 @ X10 )
                        = $true ) )
                 => ( $true
                    = ( X8 @ X9 @ X10 ) ) ) )
           => ( $true
              = ( X8 @ X2 @ X3 ) ) ) ),
    inference(fool_elimination,[status(thm)],[f4]) ).

thf(f4,plain,
    ~ ! [X0: ( a > a > $o ) > $o,X1: ( a > a > $o ) > $o,X2: a,X3: a] :
        ( ! [X4: a > a > $o] :
            ( ( ( X0 @ X4 )
              & ! [X5: a,X6: a] :
                  ( ? [X7: a > a > $o] :
                      ( ( X1 @ X7 )
                      & ( X7 @ X5 @ X6 ) )
                 => ( X4 @ X5 @ X6 ) ) )
           => ( X4 @ X2 @ X3 ) )
       => ! [X8: a > a > $o] :
            ( ( ! [X9: a,X10: a] :
                  ( ? [X11: a > a > $o] :
                      ( ( X11 @ X9 @ X10 )
                      & ? [X12: a > a > $o] :
                          ( ( ( ^ [X13: a,X14: a] :
                                ! [X15: a > a > $o] :
                                  ( ( ! [X16: a,X17: a] :
                                        ( ( X12 @ X17 @ X16 )
                                       => ( X15 @ X17 @ X16 ) )
                                    & ( X0 @ X15 ) )
                                 => ( X15 @ X13 @ X14 ) ) )
                            = X11 )
                          & ( X1 @ X12 ) ) )
                 => ( X8 @ X9 @ X10 ) )
              & ( X0 @ X8 ) )
           => ( X8 @ X2 @ X3 ) ) ),
    inference(rectify,[status(thm)],[f2]) ).

thf(f2,negated_conjecture,
    ~ ! [X0: ( a > a > $o ) > $o,X1: ( a > a > $o ) > $o,X2: a,X3: a] :
        ( ! [X4: a > a > $o] :
            ( ( ( X0 @ X4 )
              & ! [X5: a,X6: a] :
                  ( ? [X7: a > a > $o] :
                      ( ( X1 @ X7 )
                      & ( X7 @ X5 @ X6 ) )
                 => ( X4 @ X5 @ X6 ) ) )
           => ( X4 @ X2 @ X3 ) )
       => ! [X4: a > a > $o] :
            ( ( ! [X5: a,X6: a] :
                  ( ? [X7: a > a > $o] :
                      ( ( X7 @ X5 @ X6 )
                      & ? [X8: a > a > $o] :
                          ( ( ( ^ [X9: a,X10: a] :
                                ! [X11: a > a > $o] :
                                  ( ( ! [X13: a,X12: a] :
                                        ( ( X8 @ X12 @ X13 )
                                       => ( X11 @ X12 @ X13 ) )
                                    & ( X0 @ X11 ) )
                                 => ( X11 @ X9 @ X10 ) ) )
                            = X7 )
                          & ( X1 @ X8 ) ) )
                 => ( X4 @ X5 @ X6 ) )
              & ( X0 @ X4 ) )
           => ( X4 @ X2 @ X3 ) ) ),
    inference(negated_conjecture,[status(cth)],[f1]) ).

thf(f1,conjecture,
    ! [X0: ( a > a > $o ) > $o,X1: ( a > a > $o ) > $o,X2: a,X3: a] :
      ( ! [X4: a > a > $o] :
          ( ( ( X0 @ X4 )
            & ! [X5: a,X6: a] :
                ( ? [X7: a > a > $o] :
                    ( ( X1 @ X7 )
                    & ( X7 @ X5 @ X6 ) )
               => ( X4 @ X5 @ X6 ) ) )
         => ( X4 @ X2 @ X3 ) )
     => ! [X4: a > a > $o] :
          ( ( ! [X5: a,X6: a] :
                ( ? [X7: a > a > $o] :
                    ( ( X7 @ X5 @ X6 )
                    & ? [X8: a > a > $o] :
                        ( ( ( ^ [X9: a,X10: a] :
                              ! [X11: a > a > $o] :
                                ( ( ! [X13: a,X12: a] :
                                      ( ( X8 @ X12 @ X13 )
                                     => ( X11 @ X12 @ X13 ) )
                                  & ( X0 @ X11 ) )
                               => ( X11 @ X9 @ X10 ) ) )
                          = X7 )
                        & ( X1 @ X8 ) ) )
               => ( X4 @ X5 @ X6 ) )
            & ( X0 @ X4 ) )
         => ( X4 @ X2 @ X3 ) ) ),
    file('/export/starexec/sandbox/tmp/tmp.4CBTS5Mdks/DTF2THF_22429.p',cTHM254_A_pme) ).

thf(f78,plain,
    ( ( $true
     != ( sK0 @ sK4 ) )
    | ( $true
      = ( sK4 @ sK2 @ sK3 ) )
    | ~ spl8_2
    | ~ spl8_3 ),
    inference(trivial_inequality_removal,[status(thm)],[f77]) ).

thf(f77,plain,
    ( ( $true
      = ( sK4 @ sK2 @ sK3 ) )
    | ( $true != $true )
    | ( $true
     != ( sK0 @ sK4 ) )
    | ~ spl8_2
    | ~ spl8_3 ),
    inference(superposition,[status(thm)],[f14,f75]) ).

thf(f75,plain,
    ( ( $true
      = ( sK4 @ ( sK5 @ sK4 ) @ ( sK6 @ sK4 ) ) )
    | ~ spl8_2
    | ~ spl8_3 ),
    inference(trivial_inequality_removal,[status(thm)],[f73]) ).

thf(f73,plain,
    ( ( $true
      = ( sK4 @ ( sK5 @ sK4 ) @ ( sK6 @ sK4 ) ) )
    | ( $true = $false )
    | ~ spl8_2
    | ~ spl8_3 ),
    inference(superposition,[status(thm)],[f53,f68]) ).

thf(f68,plain,
    ( ! [X0: a,X1: a] :
        ( ( ( sK7 @ sK4 @ X0 @ X1 )
          = $false )
        | ( $true
          = ( sK4 @ X0 @ X1 ) ) )
    | ~ spl8_2 ),
    inference(trivial_inequality_removal,[status(thm)],[f67]) ).

thf(f67,plain,
    ( ! [X0: a,X1: a] :
        ( ( ( sK7 @ sK4 @ X0 @ X1 )
          = $false )
        | ( $true
          = ( sK4 @ X0 @ X1 ) )
        | ( $true = $false ) )
    | ~ spl8_2 ),
    inference(duplicate_literal_removal,[status(thm)],[f64]) ).

thf(f64,plain,
    ( ! [X0: a,X1: a] :
        ( ( $true = $false )
        | ( $true
          = ( sK4 @ X0 @ X1 ) )
        | ( $true
          = ( sK4 @ X0 @ X1 ) )
        | ( ( sK7 @ sK4 @ X0 @ X1 )
          = $false ) )
    | ~ spl8_2 ),
    inference(superposition,[status(thm)],[f59,f45]) ).

thf(f45,plain,
    ( ! [X0: a,X1: a] :
        ( ( ( sK9 @ ( sK7 @ sK4 ) @ X0 @ X1 @ X0 @ X1 )
          = $false )
        | ( $true
          = ( sK4 @ X0 @ X1 ) ) )
    | ~ spl8_2 ),
    inference(trivial_inequality_removal,[status(thm)],[f44]) ).

thf(f44,plain,
    ( ! [X0: a,X1: a] :
        ( ( $true != $true )
        | ( $true
          = ( sK4 @ X0 @ X1 ) )
        | ( ( sK9 @ ( sK7 @ sK4 ) @ X0 @ X1 @ X0 @ X1 )
          = $false ) )
    | ~ spl8_2 ),
    inference(superposition,[status(thm)],[f24,f42]) ).

thf(f42,plain,
    ( ( $true
      = ( sK1 @ ( sK7 @ sK4 ) ) )
    | ~ spl8_2 ),
    inference(avatar_component_clause,[status(thm)],[f40]) ).

thf(f24,plain,
    ! [X8: a > a > $o,X6: a,X5: a] :
      ( ( $true
       != ( sK1 @ X8 ) )
      | ( ( sK4 @ X5 @ X6 )
        = $true )
      | ( $false
        = ( sK9 @ X8 @ X5 @ X6 @ X5 @ X6 ) ) ),
    inference(binary_proxy_clausification,[status(thm)],[f23]) ).

thf(f23,plain,
    ! [X8: a > a > $o,X6: a,X5: a] :
      ( ( $true
       != ( sK1 @ X8 ) )
      | ( ( ( ( sK0 @ ( sK9 @ X8 @ X5 @ X6 ) )
            & ( !! @ a
              @ ^ [Y0: a] :
                  ( !! @ a
                  @ ^ [Y1: a] :
                      ( ( X8 @ Y0 @ Y1 )
                     => ( sK9 @ X8 @ X5 @ X6 @ Y0 @ Y1 ) ) ) ) )
         => ( sK9 @ X8 @ X5 @ X6 @ X5 @ X6 ) )
        = $false )
      | ( ( sK4 @ X5 @ X6 )
        = $true ) ),
    inference(beta_eta_normalization,[status(thm)],[f22]) ).

thf(f22,plain,
    ! [X8: a > a > $o,X6: a,X5: a] :
      ( ( ( sK4 @ X5 @ X6 )
        = $true )
      | ( $true
       != ( sK1 @ X8 ) )
      | ( $false
        = ( ^ [Y0: a > a > $o] :
              ( ( ( sK0 @ Y0 )
                & ( !! @ a
                  @ ^ [Y1: a] :
                      ( !! @ a
                      @ ^ [Y2: a] :
                          ( ( X8 @ Y1 @ Y2 )
                         => ( Y0 @ Y1 @ Y2 ) ) ) ) )
             => ( Y0 @ X5 @ X6 ) )
          @ ( sK9 @ X8 @ X5 @ X6 ) ) ) ),
    inference(sigma_clausification,[status(thm)],[f21]) ).

thf(f21,plain,
    ! [X8: a > a > $o,X6: a,X5: a] :
      ( ( $true
       != ( !! @ ( a > a > $o )
          @ ^ [Y0: a > a > $o] :
              ( ( ( sK0 @ Y0 )
                & ( !! @ a
                  @ ^ [Y1: a] :
                      ( !! @ a
                      @ ^ [Y2: a] :
                          ( ( X8 @ Y1 @ Y2 )
                         => ( Y0 @ Y1 @ Y2 ) ) ) ) )
             => ( Y0 @ X5 @ X6 ) ) ) )
      | ( $true
       != ( sK1 @ X8 ) )
      | ( ( sK4 @ X5 @ X6 )
        = $true ) ),
    inference(beta_eta_normalization,[status(thm)],[f20]) ).

thf(f20,plain,
    ! [X8: a > a > $o,X6: a,X5: a] :
      ( ( $true
       != ( ^ [Y0: a,Y1: a] :
              ( !! @ ( a > a > $o )
              @ ^ [Y2: a > a > $o] :
                  ( ( ( sK0 @ Y2 )
                    & ( !! @ a
                      @ ^ [Y3: a] :
                          ( !! @ a
                          @ ^ [Y4: a] :
                              ( ( X8 @ Y3 @ Y4 )
                             => ( Y2 @ Y3 @ Y4 ) ) ) ) )
                 => ( Y2 @ Y0 @ Y1 ) ) )
          @ X5
          @ X6 ) )
      | ( ( sK4 @ X5 @ X6 )
        = $true )
      | ( $true
       != ( sK1 @ X8 ) ) ),
    inference(equality_resolution,[status(thm)],[f18]) ).

thf(f18,plain,
    ! [X8: a > a > $o,X6: a,X7: a > a > $o,X5: a] :
      ( ( $true
       != ( sK1 @ X8 ) )
      | ( ( ^ [Y0: a,Y1: a] :
              ( !! @ ( a > a > $o )
              @ ^ [Y2: a > a > $o] :
                  ( ( ( sK0 @ Y2 )
                    & ( !! @ a
                      @ ^ [Y3: a] :
                          ( !! @ a
                          @ ^ [Y4: a] :
                              ( ( X8 @ Y3 @ Y4 )
                             => ( Y2 @ Y3 @ Y4 ) ) ) ) )
                 => ( Y2 @ Y0 @ Y1 ) ) ) )
       != X7 )
      | ( ( X7 @ X5 @ X6 )
       != $true )
      | ( ( sK4 @ X5 @ X6 )
        = $true ) ),
    inference(cnf_transformation,[status(thm)],[f13]) ).

thf(f59,plain,
    ( ! [X2: a,X3: a,X0: a,X1: a] :
        ( ( $true
          = ( sK9 @ ( sK7 @ sK4 ) @ X2 @ X3 @ X0 @ X1 ) )
        | ( $true
          = ( sK4 @ X2 @ X3 ) )
        | ( ( sK7 @ sK4 @ X0 @ X1 )
          = $false ) )
    | ~ spl8_2 ),
    inference(trivial_inequality_removal,[status(thm)],[f58]) ).

thf(f58,plain,
    ( ! [X2: a,X3: a,X0: a,X1: a] :
        ( ( $true
          = ( sK4 @ X2 @ X3 ) )
        | ( ( sK7 @ sK4 @ X0 @ X1 )
          = $false )
        | ( $true
          = ( sK9 @ ( sK7 @ sK4 ) @ X2 @ X3 @ X0 @ X1 ) )
        | ( $true != $true ) )
    | ~ spl8_2 ),
    inference(superposition,[status(thm)],[f32,f42]) ).

thf(f32,plain,
    ! [X10: a,X8: a > a > $o,X6: a,X9: a,X5: a] :
      ( ( $true
       != ( sK1 @ X8 ) )
      | ( ( X8 @ X9 @ X10 )
        = $false )
      | ( ( sK4 @ X5 @ X6 )
        = $true )
      | ( $true
        = ( sK9 @ X8 @ X5 @ X6 @ X9 @ X10 ) ) ),
    inference(binary_proxy_clausification,[status(thm)],[f31]) ).

thf(f31,plain,
    ! [X10: a,X8: a > a > $o,X6: a,X9: a,X5: a] :
      ( ( $true
       != ( sK1 @ X8 ) )
      | ( $true
        = ( ( X8 @ X9 @ X10 )
         => ( sK9 @ X8 @ X5 @ X6 @ X9 @ X10 ) ) )
      | ( ( sK4 @ X5 @ X6 )
        = $true ) ),
    inference(beta_eta_normalization,[status(thm)],[f30]) ).

thf(f30,plain,
    ! [X10: a,X8: a > a > $o,X6: a,X9: a,X5: a] :
      ( ( ( sK4 @ X5 @ X6 )
        = $true )
      | ( $true
       != ( sK1 @ X8 ) )
      | ( $true
        = ( ^ [Y0: a] :
              ( ( X8 @ X9 @ Y0 )
             => ( sK9 @ X8 @ X5 @ X6 @ X9 @ Y0 ) )
          @ X10 ) ) ),
    inference(pi_clausification,[status(thm)],[f29]) ).

thf(f29,plain,
    ! [X8: a > a > $o,X6: a,X9: a,X5: a] :
      ( ( $true
       != ( sK1 @ X8 ) )
      | ( $true
        = ( !! @ a
          @ ^ [Y0: a] :
              ( ( X8 @ X9 @ Y0 )
             => ( sK9 @ X8 @ X5 @ X6 @ X9 @ Y0 ) ) ) )
      | ( ( sK4 @ X5 @ X6 )
        = $true ) ),
    inference(beta_eta_normalization,[status(thm)],[f28]) ).

thf(f28,plain,
    ! [X8: a > a > $o,X6: a,X9: a,X5: a] :
      ( ( $true
       != ( sK1 @ X8 ) )
      | ( $true
        = ( ^ [Y0: a] :
              ( !! @ a
              @ ^ [Y1: a] :
                  ( ( X8 @ Y0 @ Y1 )
                 => ( sK9 @ X8 @ X5 @ X6 @ Y0 @ Y1 ) ) )
          @ X9 ) )
      | ( ( sK4 @ X5 @ X6 )
        = $true ) ),
    inference(pi_clausification,[status(thm)],[f26]) ).

thf(f26,plain,
    ! [X8: a > a > $o,X6: a,X5: a] :
      ( ( $true
        = ( !! @ a
          @ ^ [Y0: a] :
              ( !! @ a
              @ ^ [Y1: a] :
                  ( ( X8 @ Y0 @ Y1 )
                 => ( sK9 @ X8 @ X5 @ X6 @ Y0 @ Y1 ) ) ) ) )
      | ( $true
       != ( sK1 @ X8 ) )
      | ( ( sK4 @ X5 @ X6 )
        = $true ) ),
    inference(binary_proxy_clausification,[status(thm)],[f25]) ).

thf(f25,plain,
    ! [X8: a > a > $o,X6: a,X5: a] :
      ( ( $true
        = ( ( sK0 @ ( sK9 @ X8 @ X5 @ X6 ) )
          & ( !! @ a
            @ ^ [Y0: a] :
                ( !! @ a
                @ ^ [Y1: a] :
                    ( ( X8 @ Y0 @ Y1 )
                   => ( sK9 @ X8 @ X5 @ X6 @ Y0 @ Y1 ) ) ) ) ) )
      | ( $true
       != ( sK1 @ X8 ) )
      | ( ( sK4 @ X5 @ X6 )
        = $true ) ),
    inference(binary_proxy_clausification,[status(thm)],[f23]) ).

thf(f53,plain,
    ( ( $true
      = ( sK7 @ sK4 @ ( sK5 @ sK4 ) @ ( sK6 @ sK4 ) ) )
    | ~ spl8_3 ),
    inference(avatar_component_clause,[status(thm)],[f51]) ).

thf(f14,plain,
    ! [X9: a > a > $o] :
      ( ( ( X9 @ ( sK5 @ X9 ) @ ( sK6 @ X9 ) )
       != $true )
      | ( $true
        = ( X9 @ sK2 @ sK3 ) )
      | ( $true
       != ( sK0 @ X9 ) ) ),
    inference(cnf_transformation,[status(thm)],[f13]) ).

thf(f57,plain,
    ~ spl8_1,
    inference(avatar_contradiction_clause,[status(thm)],[f56]) ).

thf(f56,plain,
    ( $false
    | ~ spl8_1 ),
    inference(trivial_inequality_removal,[status(thm)],[f55]) ).

thf(f55,plain,
    ( ( $true != $true )
    | ~ spl8_1 ),
    inference(superposition,[status(thm)],[f17,f38]) ).

thf(f38,plain,
    ( ( $true
      = ( sK4 @ sK2 @ sK3 ) )
    | ~ spl8_1 ),
    inference(avatar_component_clause,[status(thm)],[f36]) ).

thf(f17,plain,
    ( $true
   != ( sK4 @ sK2 @ sK3 ) ),
    inference(cnf_transformation,[status(thm)],[f13]) ).

thf(f54,plain,
    ( spl8_1
    | spl8_3 ),
    inference(avatar_split_clause,[status(thm)],[f49,f51,f36]) ).

thf(f49,plain,
    ( ( $true
      = ( sK4 @ sK2 @ sK3 ) )
    | ( $true
      = ( sK7 @ sK4 @ ( sK5 @ sK4 ) @ ( sK6 @ sK4 ) ) ) ),
    inference(trivial_inequality_removal,[status(thm)],[f48]) ).

thf(f48,plain,
    ( ( $true
      = ( sK4 @ sK2 @ sK3 ) )
    | ( $true != $true )
    | ( $true
      = ( sK7 @ sK4 @ ( sK5 @ sK4 ) @ ( sK6 @ sK4 ) ) ) ),
    inference(superposition,[status(thm)],[f16,f19]) ).

thf(f16,plain,
    ! [X9: a > a > $o] :
      ( ( $true
       != ( sK0 @ X9 ) )
      | ( $true
        = ( sK7 @ X9 @ ( sK5 @ X9 ) @ ( sK6 @ X9 ) ) )
      | ( $true
        = ( X9 @ sK2 @ sK3 ) ) ),
    inference(cnf_transformation,[status(thm)],[f13]) ).

thf(f43,plain,
    ( spl8_1
    | spl8_2 ),
    inference(avatar_split_clause,[status(thm)],[f34,f40,f36]) ).

thf(f34,plain,
    ( ( $true
      = ( sK1 @ ( sK7 @ sK4 ) ) )
    | ( $true
      = ( sK4 @ sK2 @ sK3 ) ) ),
    inference(trivial_inequality_removal,[status(thm)],[f33]) ).

thf(f33,plain,
    ( ( $true
      = ( sK1 @ ( sK7 @ sK4 ) ) )
    | ( $true != $true )
    | ( $true
      = ( sK4 @ sK2 @ sK3 ) ) ),
    inference(superposition,[status(thm)],[f15,f19]) ).

thf(f15,plain,
    ! [X9: a > a > $o] :
      ( ( $true
       != ( sK0 @ X9 ) )
      | ( $true
        = ( sK1 @ ( sK7 @ X9 ) ) )
      | ( $true
        = ( X9 @ sK2 @ sK3 ) ) ),
    inference(cnf_transformation,[status(thm)],[f13]) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.12  % Problem  : SEV124^5 : 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 : n011.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 12:40:32 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
% 0.21/0.47  ---- Original DTF file ---
% 0.21/0.47  thf(spec,logic,$$dhol).
% 0.21/0.47  %------------------------------------------------------------------------------
% 0.21/0.47  % File     : SEV124^5 : TPTP v9.2.1. Released v4.0.0.
% 0.21/0.47  % Domain   : Set Theory (Relations)
% 0.21/0.47  % Problem  : TPS problem from SETS-OF-RELNS-THMS
% 0.21/0.47  % Version  : Especial.
% 0.21/0.47  % English  :
% 0.21/0.47  
% 0.21/0.47  % Refs     : [Bro09] Brown (2009), Email to Geoff Sutcliffe
% 0.21/0.47  % Source   : [Bro09]
% 0.21/0.47  % Names    : tps_1078 [Bro09]
% 0.21/0.47  
% 0.21/0.47  % Status   : Theorem
% 0.21/0.47  % Rating   : 0.33 v9.1.0, 0.38 v9.0.0, 0.30 v8.2.0, 0.46 v8.1.0, 0.45 v7.5.0, 0.29 v7.4.0, 0.44 v7.2.0, 0.38 v7.0.0, 0.29 v6.4.0, 0.33 v6.3.0, 0.20 v6.2.0, 0.43 v6.1.0, 0.29 v5.5.0, 0.50 v5.4.0, 0.60 v4.1.0, 1.00 v4.0.0
% 0.21/0.47  % Syntax   : Number of formulae    :    2 (   1 unt;   1 typ;   0 def)
% 0.21/0.47  %            Number of atoms       :    1 (   1 equ;   0 cnn)
% 0.21/0.47  %            Maximal formula atoms :    1 (   1 avg)
% 0.21/0.47  %            Number of connectives :   36 (   0   ~;   0   |;   6   &;  23   @)
% 0.21/0.47  %                                         (   0 <=>;   7  =>;   0  <=;   0 <~>)
% 0.21/0.47  %            Maximal formula depth :   17 (  17 avg)
% 0.21/0.47  %            Number of types       :    2 (   1 usr)
% 0.21/0.47  %            Number of type conns  :   18 (  18   >;   0   *;   0   +;   0  <<)
% 0.21/0.47  %            Number of symbols     :    1 (   0 usr;   0 con; 2-2 aty)
% 0.21/0.47  %            Number of variables   :   18 (   2   ^;  13   !;   3   ?;  18   :)
% 0.21/0.47  % SPC      : TH0_THM_EQU_NAR
% 0.21/0.47  
% 0.21/0.47  % Comments : This problem is from the TPS library. Copyright (c) 2009 The TPS
% 0.21/0.47  %            project in the Department of Mathematical Sciences at Carnegie
% 0.21/0.47  %            Mellon University. Distributed under the Creative Commons copyleft
% 0.21/0.47  %            license: http://creativecommons.org/licenses/by-sa/3.0/
% 0.21/0.47  %------------------------------------------------------------------------------
% 0.21/0.47  thf(a_type,type,
% 0.21/0.47      a: $tType ).
% 0.21/0.47  
% 0.21/0.47  thf(cTHM254_A_pme,conjecture,
% 0.21/0.47      ! [PROP: ( a > a > $o ) > $o,S: ( a > a > $o ) > $o,Xx: a,Xy: a] :
% 0.21/0.47        ( ! [Xp: a > a > $o] :
% 0.21/0.47            ( ( ! [Xx0: a,Xy0: a] :
% 0.21/0.47                  ( ? [R: a > a > $o] :
% 0.21/0.47                      ( ( S @ R )
% 0.21/0.47                      & ( R @ Xx0 @ Xy0 ) )
% 0.21/0.47                 => ( Xp @ Xx0 @ Xy0 ) )
% 0.21/0.47              & ( PROP @ Xp ) )
% 0.21/0.47           => ( Xp @ Xx @ Xy ) )
% 0.21/0.47       => ! [Xp: a > a > $o] :
% 0.21/0.47            ( ( ! [Xx0: a,Xy0: a] :
% 0.21/0.47                  ( ? [R: a > a > $o] :
% 0.21/0.47                      ( ? [Q: a > a > $o] :
% 0.21/0.47                          ( ( S @ Q )
% 0.21/0.47                          & ( R
% 0.21/0.47                            = ( ^ [Xx1: a,Xy1: a] :
% 0.21/0.47                                ! [Xp0: a > a > $o] :
% 0.21/0.47                                  ( ( ! [Xx2: a,Xy2: a] :
% 0.21/0.47                                        ( ( Q @ Xx2 @ Xy2 )
% 0.21/0.47                                       => ( Xp0 @ Xx2 @ Xy2 ) )
% 0.21/0.47                                    & ( PROP @ Xp0 ) )
% 0.21/0.47                                 => ( Xp0 @ Xx1 @ Xy1 ) ) ) ) )
% 0.21/0.47                      & ( R @ Xx0 @ Xy0 ) )
% 0.21/0.47                 => ( Xp @ Xx0 @ Xy0 ) )
% 0.21/0.47              & ( PROP @ Xp ) )
% 0.21/0.47           => ( Xp @ Xx @ Xy ) ) ) ).
% 0.21/0.47  
% 0.21/0.47  %------------------------------------------------------------------------------
% 0.21/0.47  ------------------------
% 1.66/1.46  ---- Embedded in THF ---
% 1.66/1.46  %%% This output was generated by embedproblem, version 1.9.5 (library version 1.9).
% 1.66/1.46  %%% Generated on Tue Feb 24 12:40:33 EST 2026
% 1.66/1.46  %%% using '$$dhol' embedding, version 1.3.0.
% 1.66/1.46  %%% Logic specification used:
% 1.66/1.46  %%% thf(spec, logic, $$dhol).
% 1.66/1.46  
% 1.66/1.46  % SZS output start ListOfTHF for /export/starexec/sandbox/tmp/tmp.4CBTS5Mdks/DTF2DTF22429.p
% See solution above
% 1.66/1.46  ------------------------
% 1.66/1.47  ---- Cleaned THF ---
% 1.66/1.47  thf(a_type,type,
% 1.66/1.47      a: $tType ).
% 1.66/1.47  
% 1.66/1.47  thf(cTHM254_A_pme,conjecture,
% 1.66/1.47      ! [PROP: ( a > a > $o ) > $o,S: ( a > a > $o ) > $o,Xx: a,Xy: a] :
% 1.66/1.47        ( ! [Xp: a > a > $o] :
% 1.66/1.47            ( ( ! [Xx0: a,Xy0: a] :
% 1.66/1.47                  ( ? [R: a > a > $o] :
% 1.66/1.47                      ( ( S @ R )
% 1.66/1.47                      & ( R @ Xx0 @ Xy0 ) )
% 1.66/1.47                 => ( Xp @ Xx0 @ Xy0 ) )
% 1.66/1.47              & ( PROP @ Xp ) )
% 1.66/1.47           => ( Xp @ Xx @ Xy ) )
% 1.66/1.47       => ! [Xp: a > a > $o] :
% 1.66/1.47            ( ( ! [Xx0: a,Xy0: a] :
% 1.66/1.47                  ( ? [R: a > a > $o] :
% 1.66/1.47                      ( ? [Q: a > a > $o] :
% 1.66/1.47                          ( ( S @ Q )
% 1.66/1.47                          & ( R
% 1.66/1.47                            = ( ^ [Xx1: a,Xy1: a] :
% 1.66/1.47                                ! [Xp0: a > a > $o] :
% 1.66/1.47                                  ( ( ! [Xx2: a,Xy2: a] :
% 1.66/1.47                                        ( ( Q @ Xx2 @ Xy2 )
% 1.66/1.47                                       => ( Xp0 @ Xx2 @ Xy2 ) )
% 1.66/1.47                                    & ( PROP @ Xp0 ) )
% 1.66/1.47                                 => ( Xp0 @ Xx1 @ Xy1 ) ) ) ) )
% 1.66/1.47                      & ( R @ Xx0 @ Xy0 ) )
% 1.66/1.47                 => ( Xp @ Xx0 @ Xy0 ) )
% 1.66/1.47              & ( PROP @ Xp ) )
% 1.66/1.47           => ( Xp @ Xx @ Xy ) ) ) ).
% 1.66/1.47  ------------------------
% 1.66/1.49  % (22529)lrs+10_1:1_au=on:inj=on:i=2:si=on:rtra=on_0 on DTF2THF_22429 for (2999ds/2Mi)
% 1.66/1.49  % (22528)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_22429 for (2999ds/27Mi)
% 1.66/1.49  % (22527)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_22429 for (2999ds/4Mi)
% 1.66/1.49  % (22526)lrs+1002_1:8_bd=off:fd=off:hud=10:tnu=1:i=183:si=on:rtra=on_0 on DTF2THF_22429 for (2999ds/183Mi)
% 1.66/1.49  % (22531)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_22429 for (2999ds/275Mi)
% 1.66/1.49  % (22530)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_22429 for (2999ds/2Mi)
% 1.66/1.49  % (22532)lrs+1004_1:128_cond=on:e2e=on:sp=weighted_frequency:i=18:si=on:rtra=on_0 on DTF2THF_22429 for (2999ds/18Mi)
% 1.66/1.49  % (22529)Instruction limit reached!
% 1.66/1.49  % (22529)------------------------------
% 1.66/1.49  % (22529)Version: Vampire 4.8 (commit 7b44b1c2f on 2025-07-15 09:50:17 +0100)
% 1.66/1.49  % (22530)Instruction limit reached!
% 1.66/1.49  % (22530)------------------------------
% 1.66/1.49  % (22530)Version: Vampire 4.8 (commit 7b44b1c2f on 2025-07-15 09:50:17 +0100)
% 1.66/1.49  % (22529)Termination reason: Unknown
% 1.66/1.49  % (22529)Termination phase: Property scanning
% 1.66/1.49  
% 1.66/1.49  % (22529)Memory used [KB]: 1023
% 1.66/1.49  % (22529)Time elapsed: 0.003 s
% 1.66/1.49  % (22529)Instructions burned: 3 (million)
% 1.66/1.49  % (22529)------------------------------
% 1.66/1.49  % (22529)------------------------------
% 1.66/1.49  % (22530)Termination reason: Unknown
% 1.66/1.49  % (22530)Termination phase: Saturation
% 1.66/1.49  
% 1.66/1.49  % (22530)Memory used [KB]: 1023
% 1.66/1.49  % (22530)Time elapsed: 0.003 s
% 1.66/1.49  % (22530)Instructions burned: 3 (million)
% 1.66/1.49  % (22530)------------------------------
% 1.66/1.49  % (22530)------------------------------
% 1.66/1.49  % (22527)Instruction limit reached!
% 1.66/1.49  % (22527)------------------------------
% 1.66/1.49  % (22527)Version: Vampire 4.8 (commit 7b44b1c2f on 2025-07-15 09:50:17 +0100)
% 1.66/1.49  % (22527)Termination reason: Unknown
% 1.66/1.49  % (22527)Termination phase: Saturation
% 1.66/1.49  
% 1.66/1.49  % (22527)Memory used [KB]: 5500
% 1.66/1.49  % (22527)Time elapsed: 0.004 s
% 1.66/1.49  % (22527)Instructions burned: 4 (million)
% 1.66/1.49  % (22527)------------------------------
% 1.66/1.49  % (22527)------------------------------
% 1.81/1.50  % (22528)First to succeed.
% 1.81/1.50  % (22532)Also succeeded, but the first one will report.
% 1.81/1.50  % (22528)Refutation found. Thanks to Tanya!
% 1.81/1.50  % SZS status Theorem for DTF2THF_22429
% 1.81/1.50  % SZS output start Proof for DTF2THF_22429
% 1.81/1.50  thf(type_def_5, type, a: $tType).
% 1.81/1.50  thf(func_def_0, type, a: $tType).
% 1.81/1.50  thf(func_def_2, type, vEPSILON: !>[X0: $tType]:((X0 > $o) > X0)).
% 1.81/1.50  thf(func_def_12, type, sK0: (a > a > $o) > $o).
% 1.81/1.50  thf(func_def_13, type, sK1: (a > a > $o) > $o).
% 1.81/1.50  thf(func_def_14, type, sK2: a).
% 1.81/1.50  thf(func_def_15, type, sK3: a).
% 1.81/1.50  thf(func_def_16, type, sK4: a > a > $o).
% 1.81/1.50  thf(func_def_17, type, sK5: (a > a > $o) > a).
% 1.81/1.50  thf(func_def_18, type, sK6: (a > a > $o) > a).
% 1.81/1.50  thf(func_def_19, type, sK7: (a > a > $o) > a > a > $o).
% 1.81/1.50  thf(func_def_21, type, sK9: (a > a > $o) > a > a > a > a > $o).
% 1.81/1.50  thf(func_def_22, type, ph10: !>[X0: $tType]:(X0)).
% 1.81/1.50  thf(f82,plain,(
% 1.81/1.50    $false),
% 1.81/1.50    inference(avatar_sat_refutation,[status(thm)],[f43,f54,f57,f81])).
% 1.81/1.50  thf(f81,plain,(
% 1.81/1.50    spl8_1 | ~spl8_2 | ~spl8_3),
% 1.81/1.50    inference(avatar_split_clause,[status(thm)],[f80,f51,f40,f36])).
% 1.81/1.50  thf(f36,definition,(
% 1.81/1.50    spl8_1 <=> ($true = (sK4 @ sK2 @ sK3))),
% 1.81/1.50    introduced(definition,[new_symbols(naming,[spl8_1])],[avatar_definition])).
% 1.81/1.50  thf(f40,definition,(
% 1.81/1.50    spl8_2 <=> ($true = (sK1 @ (sK7 @ sK4)))),
% 1.81/1.50    introduced(definition,[new_symbols(naming,[spl8_2])],[avatar_definition])).
% 1.81/1.50  thf(f51,definition,(
% 1.81/1.50    spl8_3 <=> ($true = (sK7 @ sK4 @ (sK5 @ sK4) @ (sK6 @ sK4)))),
% 1.81/1.50    introduced(definition,[new_symbols(naming,[spl8_3])],[avatar_definition])).
% 1.81/1.50  thf(f80,plain,(
% 1.81/1.50    ($true = (sK4 @ sK2 @ sK3)) | (~spl8_2 | ~spl8_3)),
% 1.81/1.50    inference(trivial_inequality_removal,[status(thm)],[f79])).
% 1.81/1.50  thf(f79,plain,(
% 1.81/1.50    ($true = (sK4 @ sK2 @ sK3)) | ($true != $true) | (~spl8_2 | ~spl8_3)),
% 1.81/1.50    inference(forward_demodulation,[status(thm)],[f78,f19])).
% 1.81/1.50  thf(f19,plain,(
% 1.81/1.50    ($true = (sK0 @ sK4))),
% 1.81/1.50    inference(cnf_transformation,[status(thm)],[f13])).
% 1.81/1.50  thf(f13,plain,(
% 1.81/1.50    (($true = (sK0 @ sK4)) & ! [X5 : a,X6 : a] : (! [X7 : a > a > $o] : (! [X8 : a > a > $o] : (($true != (sK1 @ X8)) | ((^[Y0 : a]: ((^[Y1 : a]: (!! @ (a > a > $o) @ (^[Y2 : a > a > $o]: (((sK0 @ Y2) & (!! @ a @ (^[Y3 : a]: (!! @ a @ (^[Y4 : a]: ((X8 @ Y3 @ Y4) => (Y2 @ Y3 @ Y4))))))) => (Y2 @ Y0 @ Y1))))))) != X7)) | ((X7 @ X5 @ X6) != $true)) | ((sK4 @ X5 @ X6) = $true)) & ($true != (sK4 @ sK2 @ sK3))) & ! [X9 : a > a > $o] : (($true != (sK0 @ X9)) | ($true = (X9 @ sK2 @ sK3)) | ((($true = (sK7 @ X9 @ (sK5 @ X9) @ (sK6 @ X9))) & ($true = (sK1 @ (sK7 @ X9)))) & ((X9 @ (sK5 @ X9) @ (sK6 @ X9)) != $true)))),
% 1.81/1.50    inference(skolemisation,[status(esa),new_symbols(skolem,[sK0,sK1,sK2,sK3,sK4,sK5,sK6,sK7])],[f8,f12,f11,f10,f9])).
% 1.81/1.50  thf(f9,plain,(
% 1.81/1.50    ? [X0 : (a > a > $o) > $o,X1 : (a > a > $o) > $o,X2 : a,X3 : a] : (? [X4 : a > a > $o] : (((X0 @ X4) = $true) & ! [X5 : a,X6 : a] : (! [X7 : a > a > $o] : (! [X8 : a > a > $o] : (((X1 @ X8) != $true) | ((^[Y0 : a]: ((^[Y1 : a]: (!! @ (a > a > $o) @ (^[Y2 : a > a > $o]: (((X0 @ Y2) & (!! @ a @ (^[Y3 : a]: (!! @ a @ (^[Y4 : a]: ((X8 @ Y3 @ Y4) => (Y2 @ Y3 @ Y4))))))) => (Y2 @ Y0 @ Y1))))))) != X7)) | ((X7 @ X5 @ X6) != $true)) | ((X4 @ X5 @ X6) = $true)) & ((X4 @ X2 @ X3) != $true)) & ! [X9 : a > a > $o] : (($true != (X0 @ X9)) | ($true = (X9 @ X2 @ X3)) | ? [X10 : a,X11 : a] : (? [X12 : a > a > $o] : (((X12 @ X10 @ X11) = $true) & ($true = (X1 @ X12))) & ($true != (X9 @ X10 @ X11))))) => (? [X4 : a > a > $o] : (($true = (sK0 @ X4)) & ! [X6 : a,X5 : a] : (! [X7 : a > a > $o] : (! [X8 : a > a > $o] : (($true != (sK1 @ X8)) | ((^[Y0 : a]: ((^[Y1 : a]: (!! @ (a > a > $o) @ (^[Y2 : a > a > $o]: (((sK0 @ Y2) & (!! @ a @ (^[Y3 : a]: (!! @ a @ (^[Y4 : a]: ((X8 @ Y3 @ Y4) => (Y2 @ Y3 @ Y4))))))) => (Y2 @ Y0 @ Y1))))))) != X7)) | ((X7 @ X5 @ X6) != $true)) | ((X4 @ X5 @ X6) = $true)) & ($true != (X4 @ sK2 @ sK3))) & ! [X9 : a > a > $o] : (($true != (sK0 @ X9)) | ($true = (X9 @ sK2 @ sK3)) | ? [X11 : a,X10 : a] : (? [X12 : a > a > $o] : (((X12 @ X10 @ X11) = $true) & ($true = (sK1 @ X12))) & ($true != (X9 @ X10 @ X11)))))),
% 1.81/1.50    introduced(definition,[],[choice_axiom])).
% 1.81/1.50  thf(f10,plain,(
% 1.81/1.50    ? [X4 : a > a > $o] : (($true = (sK0 @ X4)) & ! [X6 : a,X5 : a] : (! [X7 : a > a > $o] : (! [X8 : a > a > $o] : (($true != (sK1 @ X8)) | ((^[Y0 : a]: ((^[Y1 : a]: (!! @ (a > a > $o) @ (^[Y2 : a > a > $o]: (((sK0 @ Y2) & (!! @ a @ (^[Y3 : a]: (!! @ a @ (^[Y4 : a]: ((X8 @ Y3 @ Y4) => (Y2 @ Y3 @ Y4))))))) => (Y2 @ Y0 @ Y1))))))) != X7)) | ((X7 @ X5 @ X6) != $true)) | ((X4 @ X5 @ X6) = $true)) & ($true != (X4 @ sK2 @ sK3))) => (($true = (sK0 @ sK4)) & ! [X6 : a,X5 : a] : (! [X7 : a > a > $o] : (! [X8 : a > a > $o] : (($true != (sK1 @ X8)) | ((^[Y0 : a]: ((^[Y1 : a]: (!! @ (a > a > $o) @ (^[Y2 : a > a > $o]: (((sK0 @ Y2) & (!! @ a @ (^[Y3 : a]: (!! @ a @ (^[Y4 : a]: ((X8 @ Y3 @ Y4) => (Y2 @ Y3 @ Y4))))))) => (Y2 @ Y0 @ Y1))))))) != X7)) | ((X7 @ X5 @ X6) != $true)) | ((sK4 @ X5 @ X6) = $true)) & ($true != (sK4 @ sK2 @ sK3)))),
% 1.81/1.50    introduced(definition,[],[choice_axiom])).
% 1.81/1.50  thf(f11,plain,(
% 1.81/1.50    ! [X9 : a > a > $o] : (? [X11 : a,X10 : a] : (? [X12 : a > a > $o] : (((X12 @ X10 @ X11) = $true) & ($true = (sK1 @ X12))) & ($true != (X9 @ X10 @ X11))) => (? [X12 : a > a > $o] : (($true = (X12 @ (sK5 @ X9) @ (sK6 @ X9))) & ($true = (sK1 @ X12))) & ((X9 @ (sK5 @ X9) @ (sK6 @ X9)) != $true)))),
% 1.81/1.50    introduced(definition,[],[choice_axiom])).
% 1.81/1.50  thf(f12,plain,(
% 1.81/1.50    ! [X9 : a > a > $o] : (? [X12 : a > a > $o] : (($true = (X12 @ (sK5 @ X9) @ (sK6 @ X9))) & ($true = (sK1 @ X12))) => (($true = (sK7 @ X9 @ (sK5 @ X9) @ (sK6 @ X9))) & ($true = (sK1 @ (sK7 @ X9)))))),
% 1.81/1.50    introduced(definition,[],[choice_axiom])).
% 1.81/1.50  thf(f8,plain,(
% 1.81/1.50    ? [X0 : (a > a > $o) > $o,X1 : (a > a > $o) > $o,X2 : a,X3 : a] : (? [X4 : a > a > $o] : (((X0 @ X4) = $true) & ! [X5 : a,X6 : a] : (! [X7 : a > a > $o] : (! [X8 : a > a > $o] : (((X1 @ X8) != $true) | ((^[Y0 : a]: ((^[Y1 : a]: (!! @ (a > a > $o) @ (^[Y2 : a > a > $o]: (((X0 @ Y2) & (!! @ a @ (^[Y3 : a]: (!! @ a @ (^[Y4 : a]: ((X8 @ Y3 @ Y4) => (Y2 @ Y3 @ Y4))))))) => (Y2 @ Y0 @ Y1))))))) != X7)) | ((X7 @ X5 @ X6) != $true)) | ((X4 @ X5 @ X6) = $true)) & ((X4 @ X2 @ X3) != $true)) & ! [X9 : a > a > $o] : (($true != (X0 @ X9)) | ($true = (X9 @ X2 @ X3)) | ? [X10 : a,X11 : a] : (? [X12 : a > a > $o] : (((X12 @ X10 @ X11) = $true) & ($true = (X1 @ X12))) & ($true != (X9 @ X10 @ X11)))))),
% 1.81/1.50    inference(rectify,[status(thm)],[f7])).
% 1.81/1.50  thf(f7,plain,(
% 1.81/1.50    ? [X0 : (a > a > $o) > $o,X1 : (a > a > $o) > $o,X2 : a,X3 : a] : (? [X8 : a > a > $o] : (((X0 @ X8) = $true) & ! [X9 : a,X10 : a] : (! [X11 : a > a > $o] : (! [X12 : a > a > $o] : (($true != (X1 @ X12)) | ((^[Y0 : a]: ((^[Y1 : a]: (!! @ (a > a > $o) @ (^[Y2 : a > a > $o]: (((X0 @ Y2) & (!! @ a @ (^[Y3 : a]: (!! @ a @ (^[Y4 : a]: ((X12 @ Y3 @ Y4) => (Y2 @ Y3 @ Y4))))))) => (Y2 @ Y0 @ Y1))))))) != X11)) | ((X11 @ X9 @ X10) != $true)) | ($true = (X8 @ X9 @ X10))) & ($true != (X8 @ X2 @ X3))) & ! [X4 : a > a > $o] : (((X0 @ X4) != $true) | ((X4 @ X2 @ X3) = $true) | ? [X5 : a,X6 : a] : (? [X7 : a > a > $o] : (((X7 @ X5 @ X6) = $true) & ((X1 @ X7) = $true)) & ((X4 @ X5 @ X6) != $true))))),
% 1.81/1.50    inference(flattening,[status(thm)],[f6])).
% 1.81/1.50  thf(f6,plain,(
% 1.81/1.50    ? [X0 : (a > a > $o) > $o,X1 : (a > a > $o) > $o,X2 : a,X3 : a] : (? [X8 : a > a > $o] : (($true != (X8 @ X2 @ X3)) & (((X0 @ X8) = $true) & ! [X9 : a,X10 : a] : (! [X11 : a > a > $o] : (! [X12 : a > a > $o] : (($true != (X1 @ X12)) | ((^[Y0 : a]: ((^[Y1 : a]: (!! @ (a > a > $o) @ (^[Y2 : a > a > $o]: (((X0 @ Y2) & (!! @ a @ (^[Y3 : a]: (!! @ a @ (^[Y4 : a]: ((X12 @ Y3 @ Y4) => (Y2 @ Y3 @ Y4))))))) => (Y2 @ Y0 @ Y1))))))) != X11)) | ((X11 @ X9 @ X10) != $true)) | ($true = (X8 @ X9 @ X10))))) & ! [X4 : a > a > $o] : (((X4 @ X2 @ X3) = $true) | (((X0 @ X4) != $true) | ? [X5 : a,X6 : a] : (? [X7 : a > a > $o] : (((X7 @ X5 @ X6) = $true) & ((X1 @ X7) = $true)) & ((X4 @ X5 @ X6) != $true)))))),
% 1.81/1.50    inference(ennf_transformation,[status(thm)],[f5])).
% 1.81/1.50  thf(f5,plain,(
% 1.81/1.50    ~! [X0 : (a > a > $o) > $o,X1 : (a > a > $o) > $o,X2 : a,X3 : a] : (! [X4 : a > a > $o] : ((((X0 @ X4) = $true) & ! [X5 : a,X6 : a] : (? [X7 : a > a > $o] : (((X7 @ X5 @ X6) = $true) & ((X1 @ X7) = $true)) => ((X4 @ X5 @ X6) = $true))) => ((X4 @ X2 @ X3) = $true)) => ! [X8 : a > a > $o] : ((((X0 @ X8) = $true) & ! [X9 : a,X10 : a] : (? [X11 : a > a > $o] : (? [X12 : a > a > $o] : (((^[Y0 : a]: ((^[Y1 : a]: (!! @ (a > a > $o) @ (^[Y2 : a > a > $o]: (((X0 @ Y2) & (!! @ a @ (^[Y3 : a]: (!! @ a @ (^[Y4 : a]: ((X12 @ Y3 @ Y4) => (Y2 @ Y3 @ Y4))))))) => (Y2 @ Y0 @ Y1))))))) = X11) & ($true = (X1 @ X12))) & ((X11 @ X9 @ X10) = $true)) => ($true = (X8 @ X9 @ X10)))) => ($true = (X8 @ X2 @ X3))))),
% 1.81/1.50    inference(fool_elimination,[status(thm)],[f4])).
% 1.81/1.50  thf(f4,plain,(
% 1.81/1.50    ~! [X0 : (a > a > $o) > $o,X1 : (a > a > $o) > $o,X2 : a,X3 : a] : (! [X4 : a > a > $o] : (((X0 @ X4) & ! [X5 : a,X6 : a] : (? [X7 : a > a > $o] : ((X1 @ X7) & (X7 @ X5 @ X6)) => (X4 @ X5 @ X6))) => (X4 @ X2 @ X3)) => ! [X8 : a > a > $o] : ((! [X9 : a,X10 : a] : (? [X11 : a > a > $o] : ((X11 @ X9 @ X10) & ? [X12 : a > a > $o] : (((^[X13 : a, X14 : a] : (! [X15 : a > a > $o] : ((! [X16 : a,X17 : a] : ((X12 @ X17 @ X16) => (X15 @ X17 @ X16)) & (X0 @ X15)) => (X15 @ X13 @ X14)))) = X11) & (X1 @ X12))) => (X8 @ X9 @ X10)) & (X0 @ X8)) => (X8 @ X2 @ X3)))),
% 1.81/1.50    inference(rectify,[status(thm)],[f2])).
% 1.81/1.50  thf(f2,negated_conjecture,(
% 1.81/1.50    ~! [X0 : (a > a > $o) > $o,X1 : (a > a > $o) > $o,X2 : a,X3 : a] : (! [X4 : a > a > $o] : (((X0 @ X4) & ! [X5 : a,X6 : a] : (? [X7 : a > a > $o] : ((X1 @ X7) & (X7 @ X5 @ X6)) => (X4 @ X5 @ X6))) => (X4 @ X2 @ X3)) => ! [X4 : a > a > $o] : ((! [X5 : a,X6 : a] : (? [X7 : a > a > $o] : ((X7 @ X5 @ X6) & ? [X8 : a > a > $o] : (((^[X9 : a, X10 : a] : (! [X11 : a > a > $o] : ((! [X13 : a,X12 : a] : ((X8 @ X12 @ X13) => (X11 @ X12 @ X13)) & (X0 @ X11)) => (X11 @ X9 @ X10)))) = X7) & (X1 @ X8))) => (X4 @ X5 @ X6)) & (X0 @ X4)) => (X4 @ X2 @ X3)))),
% 1.81/1.50    inference(negated_conjecture,[status(cth)],[f1])).
% 1.81/1.50  thf(f1,conjecture,(
% 1.81/1.50    ! [X0 : (a > a > $o) > $o,X1 : (a > a > $o) > $o,X2 : a,X3 : a] : (! [X4 : a > a > $o] : (((X0 @ X4) & ! [X5 : a,X6 : a] : (? [X7 : a > a > $o] : ((X1 @ X7) & (X7 @ X5 @ X6)) => (X4 @ X5 @ X6))) => (X4 @ X2 @ X3)) => ! [X4 : a > a > $o] : ((! [X5 : a,X6 : a] : (? [X7 : a > a > $o] : ((X7 @ X5 @ X6) & ? [X8 : a > a > $o] : (((^[X9 : a, X10 : a] : (! [X11 : a > a > $o] : ((! [X13 : a,X12 : a] : ((X8 @ X12 @ X13) => (X11 @ X12 @ X13)) & (X0 @ X11)) => (X11 @ X9 @ X10)))) = X7) & (X1 @ X8))) => (X4 @ X5 @ X6)) & (X0 @ X4)) => (X4 @ X2 @ X3)))),
% 1.81/1.50    file('/export/starexec/sandbox/tmp/tmp.4CBTS5Mdks/DTF2THF_22429.p',cTHM254_A_pme)).
% 1.81/1.50  thf(f78,plain,(
% 1.81/1.50    ($true != (sK0 @ sK4)) | ($true = (sK4 @ sK2 @ sK3)) | (~spl8_2 | ~spl8_3)),
% 1.81/1.50    inference(trivial_inequality_removal,[status(thm)],[f77])).
% 1.81/1.50  thf(f77,plain,(
% 1.81/1.50    ($true = (sK4 @ sK2 @ sK3)) | ($true != $true) | ($true != (sK0 @ sK4)) | (~spl8_2 | ~spl8_3)),
% 1.81/1.50    inference(superposition,[status(thm)],[f14,f75])).
% 1.81/1.50  thf(f75,plain,(
% 1.81/1.50    ($true = (sK4 @ (sK5 @ sK4) @ (sK6 @ sK4))) | (~spl8_2 | ~spl8_3)),
% 1.81/1.50    inference(trivial_inequality_removal,[status(thm)],[f73])).
% 1.81/1.50  thf(f73,plain,(
% 1.81/1.50    ($true = (sK4 @ (sK5 @ sK4) @ (sK6 @ sK4))) | ($true = $false) | (~spl8_2 | ~spl8_3)),
% 1.81/1.50    inference(superposition,[status(thm)],[f53,f68])).
% 1.81/1.50  thf(f68,plain,(
% 1.81/1.50    ( ! [X0 : a,X1 : a] : (((sK7 @ sK4 @ X0 @ X1) = $false) | ($true = (sK4 @ X0 @ X1))) ) | ~spl8_2),
% 1.81/1.50    inference(trivial_inequality_removal,[status(thm)],[f67])).
% 1.81/1.50  thf(f67,plain,(
% 1.81/1.50    ( ! [X0 : a,X1 : a] : (((sK7 @ sK4 @ X0 @ X1) = $false) | ($true = (sK4 @ X0 @ X1)) | ($true = $false)) ) | ~spl8_2),
% 1.81/1.50    inference(duplicate_literal_removal,[status(thm)],[f64])).
% 1.81/1.50  thf(f64,plain,(
% 1.81/1.50    ( ! [X0 : a,X1 : a] : (($true = $false) | ($true = (sK4 @ X0 @ X1)) | ($true = (sK4 @ X0 @ X1)) | ((sK7 @ sK4 @ X0 @ X1) = $false)) ) | ~spl8_2),
% 1.81/1.50    inference(superposition,[status(thm)],[f59,f45])).
% 1.81/1.50  thf(f45,plain,(
% 1.81/1.50    ( ! [X0 : a,X1 : a] : (((sK9 @ (sK7 @ sK4) @ X0 @ X1 @ X0 @ X1) = $false) | ($true = (sK4 @ X0 @ X1))) ) | ~spl8_2),
% 1.81/1.50    inference(trivial_inequality_removal,[status(thm)],[f44])).
% 1.81/1.50  thf(f44,plain,(
% 1.81/1.50    ( ! [X0 : a,X1 : a] : (($true != $true) | ($true = (sK4 @ X0 @ X1)) | ((sK9 @ (sK7 @ sK4) @ X0 @ X1 @ X0 @ X1) = $false)) ) | ~spl8_2),
% 1.81/1.50    inference(superposition,[status(thm)],[f24,f42])).
% 1.81/1.50  thf(f42,plain,(
% 1.81/1.50    ($true = (sK1 @ (sK7 @ sK4))) | ~spl8_2),
% 1.81/1.50    inference(avatar_component_clause,[status(thm)],[f40])).
% 1.81/1.50  thf(f24,plain,(
% 1.81/1.50    ( ! [X8 : a > a > $o,X6 : a,X5 : a] : (($true != (sK1 @ X8)) | ((sK4 @ X5 @ X6) = $true) | ($false = (sK9 @ X8 @ X5 @ X6 @ X5 @ X6))) )),
% 1.81/1.50    inference(binary_proxy_clausification,[status(thm)],[f23])).
% 1.81/1.50  thf(f23,plain,(
% 1.81/1.50    ( ! [X8 : a > a > $o,X6 : a,X5 : a] : (($true != (sK1 @ X8)) | ((((sK0 @ (sK9 @ X8 @ X5 @ X6)) & (!! @ a @ (^[Y0 : a]: (!! @ a @ (^[Y1 : a]: ((X8 @ Y0 @ Y1) => (sK9 @ X8 @ X5 @ X6 @ Y0 @ Y1))))))) => (sK9 @ X8 @ X5 @ X6 @ X5 @ X6)) = $false) | ((sK4 @ X5 @ X6) = $true)) )),
% 1.81/1.50    inference(beta_eta_normalization,[status(thm)],[f22])).
% 1.81/1.50  thf(f22,plain,(
% 1.81/1.50    ( ! [X8 : a > a > $o,X6 : a,X5 : a] : (((sK4 @ X5 @ X6) = $true) | ($true != (sK1 @ X8)) | ($false = ((^[Y0 : a > a > $o]: (((sK0 @ Y0) & (!! @ a @ (^[Y1 : a]: (!! @ a @ (^[Y2 : a]: ((X8 @ Y1 @ Y2) => (Y0 @ Y1 @ Y2))))))) => (Y0 @ X5 @ X6))) @ (sK9 @ X8 @ X5 @ X6)))) )),
% 1.81/1.50    inference(sigma_clausification,[status(thm)],[f21])).
% 1.81/1.50  thf(f21,plain,(
% 1.81/1.50    ( ! [X8 : a > a > $o,X6 : a,X5 : a] : (($true != (!! @ (a > a > $o) @ (^[Y0 : a > a > $o]: (((sK0 @ Y0) & (!! @ a @ (^[Y1 : a]: (!! @ a @ (^[Y2 : a]: ((X8 @ Y1 @ Y2) => (Y0 @ Y1 @ Y2))))))) => (Y0 @ X5 @ X6))))) | ($true != (sK1 @ X8)) | ((sK4 @ X5 @ X6) = $true)) )),
% 1.81/1.50    inference(beta_eta_normalization,[status(thm)],[f20])).
% 1.81/1.50  thf(f20,plain,(
% 1.81/1.50    ( ! [X8 : a > a > $o,X6 : a,X5 : a] : (($true != ((^[Y0 : a]: ((^[Y1 : a]: (!! @ (a > a > $o) @ (^[Y2 : a > a > $o]: (((sK0 @ Y2) & (!! @ a @ (^[Y3 : a]: (!! @ a @ (^[Y4 : a]: ((X8 @ Y3 @ Y4) => (Y2 @ Y3 @ Y4))))))) => (Y2 @ Y0 @ Y1))))))) @ X5 @ X6)) | ((sK4 @ X5 @ X6) = $true) | ($true != (sK1 @ X8))) )),
% 1.81/1.50    inference(equality_resolution,[status(thm)],[f18])).
% 1.81/1.50  thf(f18,plain,(
% 1.81/1.50    ( ! [X8 : a > a > $o,X6 : a,X7 : a > a > $o,X5 : a] : (($true != (sK1 @ X8)) | ((^[Y0 : a]: ((^[Y1 : a]: (!! @ (a > a > $o) @ (^[Y2 : a > a > $o]: (((sK0 @ Y2) & (!! @ a @ (^[Y3 : a]: (!! @ a @ (^[Y4 : a]: ((X8 @ Y3 @ Y4) => (Y2 @ Y3 @ Y4))))))) => (Y2 @ Y0 @ Y1))))))) != X7) | ((X7 @ X5 @ X6) != $true) | ((sK4 @ X5 @ X6) = $true)) )),
% 1.81/1.50    inference(cnf_transformation,[status(thm)],[f13])).
% 1.81/1.50  thf(f59,plain,(
% 1.81/1.50    ( ! [X2 : a,X3 : a,X0 : a,X1 : a] : (($true = (sK9 @ (sK7 @ sK4) @ X2 @ X3 @ X0 @ X1)) | ($true = (sK4 @ X2 @ X3)) | ((sK7 @ sK4 @ X0 @ X1) = $false)) ) | ~spl8_2),
% 1.81/1.50    inference(trivial_inequality_removal,[status(thm)],[f58])).
% 1.81/1.50  thf(f58,plain,(
% 1.81/1.50    ( ! [X2 : a,X3 : a,X0 : a,X1 : a] : (($true = (sK4 @ X2 @ X3)) | ((sK7 @ sK4 @ X0 @ X1) = $false) | ($true = (sK9 @ (sK7 @ sK4) @ X2 @ X3 @ X0 @ X1)) | ($true != $true)) ) | ~spl8_2),
% 1.81/1.50    inference(superposition,[status(thm)],[f32,f42])).
% 1.81/1.50  thf(f32,plain,(
% 1.81/1.50    ( ! [X10 : a,X8 : a > a > $o,X6 : a,X9 : a,X5 : a] : (($true != (sK1 @ X8)) | ((X8 @ X9 @ X10) = $false) | ((sK4 @ X5 @ X6) = $true) | ($true = (sK9 @ X8 @ X5 @ X6 @ X9 @ X10))) )),
% 1.81/1.50    inference(binary_proxy_clausification,[status(thm)],[f31])).
% 1.81/1.50  thf(f31,plain,(
% 1.81/1.50    ( ! [X10 : a,X8 : a > a > $o,X6 : a,X9 : a,X5 : a] : (($true != (sK1 @ X8)) | ($true = ((X8 @ X9 @ X10) => (sK9 @ X8 @ X5 @ X6 @ X9 @ X10))) | ((sK4 @ X5 @ X6) = $true)) )),
% 1.81/1.50    inference(beta_eta_normalization,[status(thm)],[f30])).
% 1.81/1.50  thf(f30,plain,(
% 1.81/1.50    ( ! [X10 : a,X8 : a > a > $o,X6 : a,X9 : a,X5 : a] : (((sK4 @ X5 @ X6) = $true) | ($true != (sK1 @ X8)) | ($true = ((^[Y0 : a]: ((X8 @ X9 @ Y0) => (sK9 @ X8 @ X5 @ X6 @ X9 @ Y0))) @ X10))) )),
% 1.81/1.50    inference(pi_clausification,[status(thm)],[f29])).
% 1.81/1.50  thf(f29,plain,(
% 1.81/1.50    ( ! [X8 : a > a > $o,X6 : a,X9 : a,X5 : a] : (($true != (sK1 @ X8)) | ($true = (!! @ a @ (^[Y0 : a]: ((X8 @ X9 @ Y0) => (sK9 @ X8 @ X5 @ X6 @ X9 @ Y0))))) | ((sK4 @ X5 @ X6) = $true)) )),
% 1.81/1.50    inference(beta_eta_normalization,[status(thm)],[f28])).
% 1.81/1.50  thf(f28,plain,(
% 1.81/1.50    ( ! [X8 : a > a > $o,X6 : a,X9 : a,X5 : a] : (($true != (sK1 @ X8)) | ($true = ((^[Y0 : a]: (!! @ a @ (^[Y1 : a]: ((X8 @ Y0 @ Y1) => (sK9 @ X8 @ X5 @ X6 @ Y0 @ Y1))))) @ X9)) | ((sK4 @ X5 @ X6) = $true)) )),
% 1.81/1.50    inference(pi_clausification,[status(thm)],[f26])).
% 1.81/1.50  thf(f26,plain,(
% 1.81/1.50    ( ! [X8 : a > a > $o,X6 : a,X5 : a] : (($true = (!! @ a @ (^[Y0 : a]: (!! @ a @ (^[Y1 : a]: ((X8 @ Y0 @ Y1) => (sK9 @ X8 @ X5 @ X6 @ Y0 @ Y1))))))) | ($true != (sK1 @ X8)) | ((sK4 @ X5 @ X6) = $true)) )),
% 1.81/1.50    inference(binary_proxy_clausification,[status(thm)],[f25])).
% 1.81/1.50  thf(f25,plain,(
% 1.81/1.50    ( ! [X8 : a > a > $o,X6 : a,X5 : a] : (($true = ((sK0 @ (sK9 @ X8 @ X5 @ X6)) & (!! @ a @ (^[Y0 : a]: (!! @ a @ (^[Y1 : a]: ((X8 @ Y0 @ Y1) => (sK9 @ X8 @ X5 @ X6 @ Y0 @ Y1)))))))) | ($true != (sK1 @ X8)) | ((sK4 @ X5 @ X6) = $true)) )),
% 1.81/1.50    inference(binary_proxy_clausification,[status(thm)],[f23])).
% 1.81/1.50  thf(f53,plain,(
% 1.81/1.50    ($true = (sK7 @ sK4 @ (sK5 @ sK4) @ (sK6 @ sK4))) | ~spl8_3),
% 1.81/1.50    inference(avatar_component_clause,[status(thm)],[f51])).
% 1.81/1.50  thf(f14,plain,(
% 1.81/1.50    ( ! [X9 : a > a > $o] : (((X9 @ (sK5 @ X9) @ (sK6 @ X9)) != $true) | ($true = (X9 @ sK2 @ sK3)) | ($true != (sK0 @ X9))) )),
% 1.81/1.50    inference(cnf_transformation,[status(thm)],[f13])).
% 1.81/1.50  thf(f57,plain,(
% 1.81/1.50    ~spl8_1),
% 1.81/1.50    inference(avatar_contradiction_clause,[status(thm)],[f56])).
% 1.81/1.50  thf(f56,plain,(
% 1.81/1.50    $false | ~spl8_1),
% 1.81/1.50    inference(trivial_inequality_removal,[status(thm)],[f55])).
% 1.81/1.50  thf(f55,plain,(
% 1.81/1.50    ($true != $true) | ~spl8_1),
% 1.81/1.50    inference(superposition,[status(thm)],[f17,f38])).
% 1.81/1.50  thf(f38,plain,(
% 1.81/1.50    ($true = (sK4 @ sK2 @ sK3)) | ~spl8_1),
% 1.81/1.50    inference(avatar_component_clause,[status(thm)],[f36])).
% 1.81/1.50  thf(f17,plain,(
% 1.81/1.50    ($true != (sK4 @ sK2 @ sK3))),
% 1.81/1.50    inference(cnf_transformation,[status(thm)],[f13])).
% 1.81/1.50  thf(f54,plain,(
% 1.81/1.50    spl8_1 | spl8_3),
% 1.81/1.50    inference(avatar_split_clause,[status(thm)],[f49,f51,f36])).
% 1.81/1.50  thf(f49,plain,(
% 1.81/1.50    ($true = (sK4 @ sK2 @ sK3)) | ($true = (sK7 @ sK4 @ (sK5 @ sK4) @ (sK6 @ sK4)))),
% 1.81/1.50    inference(trivial_inequality_removal,[status(thm)],[f48])).
% 1.81/1.50  thf(f48,plain,(
% 1.81/1.50    ($true = (sK4 @ sK2 @ sK3)) | ($true != $true) | ($true = (sK7 @ sK4 @ (sK5 @ sK4) @ (sK6 @ sK4)))),
% 1.81/1.50    inference(superposition,[status(thm)],[f16,f19])).
% 1.81/1.50  thf(f16,plain,(
% 1.81/1.50    ( ! [X9 : a > a > $o] : (($true != (sK0 @ X9)) | ($true = (sK7 @ X9 @ (sK5 @ X9) @ (sK6 @ X9))) | ($true = (X9 @ sK2 @ sK3))) )),
% 1.81/1.50    inference(cnf_transformation,[status(thm)],[f13])).
% 1.81/1.50  thf(f43,plain,(
% 1.81/1.50    spl8_1 | spl8_2),
% 1.81/1.50    inference(avatar_split_clause,[status(thm)],[f34,f40,f36])).
% 1.81/1.50  thf(f34,plain,(
% 1.81/1.50    ($true = (sK1 @ (sK7 @ sK4))) | ($true = (sK4 @ sK2 @ sK3))),
% 1.81/1.50    inference(trivial_inequality_removal,[status(thm)],[f33])).
% 1.81/1.50  thf(f33,plain,(
% 1.81/1.50    ($true = (sK1 @ (sK7 @ sK4))) | ($true != $true) | ($true = (sK4 @ sK2 @ sK3))),
% 1.81/1.50    inference(superposition,[status(thm)],[f15,f19])).
% 1.81/1.50  thf(f15,plain,(
% 1.81/1.50    ( ! [X9 : a > a > $o] : (($true != (sK0 @ X9)) | ($true = (sK1 @ (sK7 @ X9))) | ($true = (X9 @ sK2 @ sK3))) )),
% 1.81/1.50    inference(cnf_transformation,[status(thm)],[f13])).
% 1.81/1.50  % SZS output end Proof for DTF2THF_22429
% 1.81/1.50  % (22528)------------------------------
% 1.81/1.50  % (22528)Version: Vampire 4.8 (commit 7b44b1c2f on 2025-07-15 09:50:17 +0100)
% 1.81/1.50  % (22528)Termination reason: Refutation
% 1.81/1.50  
% 1.81/1.50  % (22528)Memory used [KB]: 5628
% 1.81/1.50  % (22528)Time elapsed: 0.012 s
% 1.81/1.50  % (22528)Instructions burned: 13 (million)
% 1.81/1.50  % (22528)------------------------------
% 1.81/1.50  % (22528)------------------------------
% 1.81/1.50  % (22525)Success in time 0.025 s
%------------------------------------------------------------------------------