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Vampire-SAT---5.0.1.THM-Ref.s

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%------------------------------------------------------------------------------
% File     : Vampire-SAT---5.0.1
% Problem  : SEU550^2 : TPTP v9.3.1. Bugfixed v5.2.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : run_vampire /export/starexec/sandbox2/benchmark/theBenchmark.p 300 SAT

% Computer : n007.cluster.edu
% Model    : x86_64 x86_64
% CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 2.10GHz
% Memory   : 8046.5625MB
% OS       : Linux 6.8.0-71-generic
% CPULimit : 300s
% WCLimit  : 300s
% DateTime : Wed Sep 30 08:32:24 AM UTC 2026

% Result   : Theorem 0.07s 0.25s
% Output   : Refutation 0.07s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   30
%            Number of leaves      :   10
% Syntax   : Number of formulae    :  159 (  13 unt;   0 typ;   8 def)
%            Number of atoms       : 1100 ( 320 equ;   0 cnn)
%            Maximal formula atoms :    5 (   6 avg)
%            Number of connectives : 1080 ( 196   ~; 300   |;  33   &; 425   @)
%                                         (  14 <=>;  64  =>;   0  <=;   0 <~>)
%            Maximal formula depth :   10 (   4 avg)
%            Maximal term depth    :    1 (   1 avg)
%            Number of types       :    2 (   0 usr)
%            Number of type conns  :   20 (  20   >;   0   *;   0   +;   0  <<)
%            Number of symbols     :   31 (  26 usr;  14 con; 0-4 aty)
%                                         (  34  !!;  14  ??;   0 @@+;   0 @@-)
%            Number of variables   :  208 (   0 sgn 110   !;   4   ?; 208   :)

% Comments : 
%------------------------------------------------------------------------------
thf(type_def_5,type,
    sTfun: ( $tType * $tType ) > $tType ).

thf(func_def_0,type,
    exu: ( $i > $o ) > $o ).

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

thf(func_def_3,type,
    vAND: $o > $o > $o ).

thf(func_def_4,type,
    db1: 
      !>[X0: $tType] : X0 ).

thf(func_def_5,type,
    db0: 
      !>[X0: $tType] : X0 ).

thf(func_def_6,type,
    vPI: 
      !>[X0: $tType] : ( ( X0 > $o ) > $o ) ).

thf(func_def_7,type,
    vIMP: $o > $o > $o ).

thf(func_def_8,type,
    db2: 
      !>[X0: $tType] : X0 ).

thf(func_def_9,type,
    vEQ: 
      !>[X0: $tType] : ( X0 > X0 > $o ) ).

thf(func_def_10,type,
    vLAM: 
      !>[X0: $tType,X1: $tType] : ( X1 > X0 > X1 ) ).

thf(func_def_11,type,
    sK0: $i > $o ).

thf(func_def_12,type,
    sK1: $i > $o ).

thf(func_def_15,type,
    vNOT: $o > $o ).

thf(func_def_16,type,
    sK2: $i > $i ).

thf(func_def_17,type,
    sK3: $i > $i ).

thf(f1,axiom,
    ( exu
    = ( ^ [X0: $i > $o] :
        ? [X1: $i] :
          ( ! [X2: $i] :
              ( ( X0 @ X2 )
             => ( X1 = X2 ) )
          & ( X0 @ X1 ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',exu_def) ).

thf(f2,conjecture,
    ! [X0: $i > $o,X1: $i > $o] :
      ( ! [X2: $i,X3: $i] :
          ( ( X2 = X3 )
         => ( ( X0 @ X2 )
          <=> ( X1 @ X3 ) ) )
     => ( ( exu
          @ ^ [X2: $i] : ( X0 @ X2 ) )
      <=> ( exu
          @ ^ [X2: $i] : ( X1 @ X2 ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',exu__Cong) ).

thf(f3,negated_conjecture,
    ~ ! [X0: $i > $o,X1: $i > $o] :
        ( ! [X2: $i,X3: $i] :
            ( ( X2 = X3 )
           => ( ( X0 @ X2 )
            <=> ( X1 @ X3 ) ) )
       => ( ( exu
            @ ^ [X2: $i] : ( X0 @ X2 ) )
        <=> ( exu
            @ ^ [X2: $i] : ( X1 @ X2 ) ) ) ),
    inference(negated_conjecture,[status(cth)],[f2]) ).

thf(f4,plain,
    ( exu
    = ( ^ [X0: $i > $o] :
        ? [X1: $i] :
          ( ! [X2: $i] :
              ( ( X0 @ X2 )
             => ( X1 = X2 ) )
          & ( X0 @ X1 ) ) ) ),
    inference(rectify,[],[f1]) ).

thf(f5,plain,
    ( exu
    = ( ^ [Y0: $i > $o] :
          ( ?? @ $i
          @ ^ [Y1: $i] :
              ( ( Y0 @ Y1 )
              & ( !! @ $i
                @ ^ [Y2: $i] :
                    ( ( Y0 @ Y2 )
                   => ( Y1 = Y2 ) ) ) ) ) ) ),
    inference(fool_elimination,[],[f4]) ).

thf(f6,plain,
    ~ ! [X0: $i > $o,X1: $i > $o] :
        ( ! [X2: $i,X3: $i] :
            ( ( X2 = X3 )
           => ( ( X0 @ X2 )
            <=> ( X1 @ X3 ) ) )
       => ( ( exu
            @ ^ [X4: $i] : ( X0 @ X4 ) )
        <=> ( exu
            @ ^ [X5: $i] : ( X1 @ X5 ) ) ) ),
    inference(rectify,[],[f3]) ).

thf(f7,plain,
    ~ ! [X0: $i > $o,X1: $i > $o] :
        ( ! [X2: $i,X3: $i] :
            ( ( X2 = X3 )
           => ( ( X0 @ X2 )
              = ( X1 @ X3 ) ) )
       => ( ( exu
            @ ^ [Y0: $i] : ( X0 @ Y0 ) )
          = ( exu
            @ ^ [Y0: $i] : ( X1 @ Y0 ) ) ) ),
    inference(fool_elimination,[],[f6]) ).

thf(f8,plain,
    ? [X0: $i > $o,X1: $i > $o] :
      ( ( ( exu
          @ ^ [Y0: $i] : ( X0 @ Y0 ) )
       != ( exu
          @ ^ [Y0: $i] : ( X1 @ Y0 ) ) )
      & ! [X2: $i,X3: $i] :
          ( ( ( X0 @ X2 )
            = ( X1 @ X3 ) )
          | ( X2 != X3 ) ) ),
    inference(ennf_transformation,[],[f7]) ).

thf(f9,plain,
    ( ( ( exu
        @ ^ [Y0: $i] : ( sK0 @ Y0 ) )
     != ( exu
        @ ^ [Y0: $i] : ( sK1 @ Y0 ) ) )
    & ! [X2: $i,X3: $i] :
        ( ( ( sK0 @ X2 )
          = ( sK1 @ X3 ) )
        | ( X2 != X3 ) ) ),
    inference(skolemize,[status(esa),new_symbols(skolem,[sK0,sK1]),skolemize(X0,sK0),skolemize(X1,sK1)],[f8]) ).

thf(f10,plain,
    ( exu
    = ( ^ [Y0: $i > $o] :
          ( ?? @ $i
          @ ^ [Y1: $i] :
              ( ( Y0 @ Y1 )
              & ( !! @ $i
                @ ^ [Y2: $i] :
                    ( ( Y0 @ Y2 )
                   => ( Y1 = Y2 ) ) ) ) ) ) ),
    inference(cnf_transformation,[],[f5]) ).

thf(f11,plain,
    ! [X2: $i,X3: $i] :
      ( ( ( sK0 @ X2 )
        = ( sK1 @ X3 ) )
      | ( X2 != X3 ) ),
    inference(cnf_transformation,[],[f9]) ).

thf(f12,plain,
    ( ( exu
      @ ^ [Y0: $i] : ( sK0 @ Y0 ) )
   != ( exu
      @ ^ [Y0: $i] : ( sK1 @ Y0 ) ) ),
    inference(cnf_transformation,[],[f9]) ).

thf(f15,plain,
    ( ( ^ [Y0: $i > $o] :
          ( ?? @ $i
          @ ^ [Y1: $i] :
              ( ( Y0 @ Y1 )
              & ( !! @ $i
                @ ^ [Y2: $i] :
                    ( ( Y0 @ Y2 )
                   => ( Y1 = Y2 ) ) ) ) )
      @ ^ [Y0: $i] : ( sK0 @ Y0 ) )
   != ( ^ [Y0: $i > $o] :
          ( ?? @ $i
          @ ^ [Y1: $i] :
              ( ( Y0 @ Y1 )
              & ( !! @ $i
                @ ^ [Y2: $i] :
                    ( ( Y0 @ Y2 )
                   => ( Y1 = Y2 ) ) ) ) )
      @ ^ [Y0: $i] : ( sK1 @ Y0 ) ) ),
    inference(definition_unfolding,[],[f12,f10,f10]) ).

thf(f16,plain,
    ! [X3: $i] :
      ( ( sK1 @ X3 )
      = ( sK0 @ X3 ) ),
    inference(equality_resolution,[],[f11]) ).

thf(f17,plain,
    ! [X3: $i] :
      ( ( ( sK1 @ X3 )
        = $true )
      | ( $false
        = ( sK0 @ X3 ) ) ),
    inference(iff_proxy_clausification,[],[f16]) ).

thf(f18,plain,
    ! [X3: $i] :
      ( ( ( sK1 @ X3 )
        = $false )
      | ( $true
        = ( sK0 @ X3 ) ) ),
    inference(iff_proxy_clausification,[],[f16]) ).

thf(f19,plain,
    ( ( $true
      = ( ^ [Y0: $i > $o] :
            ( ?? @ $i
            @ ^ [Y1: $i] :
                ( ( Y0 @ Y1 )
                & ( !! @ $i
                  @ ^ [Y2: $i] :
                      ( ( Y0 @ Y2 )
                     => ( Y1 = Y2 ) ) ) ) )
        @ ^ [Y0: $i] : ( sK0 @ Y0 ) ) )
    | ( $true
      = ( ^ [Y0: $i > $o] :
            ( ?? @ $i
            @ ^ [Y1: $i] :
                ( ( Y0 @ Y1 )
                & ( !! @ $i
                  @ ^ [Y2: $i] :
                      ( ( Y0 @ Y2 )
                     => ( Y1 = Y2 ) ) ) ) )
        @ ^ [Y0: $i] : ( sK1 @ Y0 ) ) ) ),
    inference(xor_proxy_clausification,[],[f15]) ).

thf(f20,plain,
    ( ( $false
      = ( ^ [Y0: $i > $o] :
            ( ?? @ $i
            @ ^ [Y1: $i] :
                ( ( Y0 @ Y1 )
                & ( !! @ $i
                  @ ^ [Y2: $i] :
                      ( ( Y0 @ Y2 )
                     => ( Y1 = Y2 ) ) ) ) )
        @ ^ [Y0: $i] : ( sK0 @ Y0 ) ) )
    | ( $false
      = ( ^ [Y0: $i > $o] :
            ( ?? @ $i
            @ ^ [Y1: $i] :
                ( ( Y0 @ Y1 )
                & ( !! @ $i
                  @ ^ [Y2: $i] :
                      ( ( Y0 @ Y2 )
                     => ( Y1 = Y2 ) ) ) ) )
        @ ^ [Y0: $i] : ( sK1 @ Y0 ) ) ) ),
    inference(xor_proxy_clausification,[],[f15]) ).

thf(f21,plain,
    ( ( $false
      = ( ?? @ $i
        @ ^ [Y0: $i] :
            ( ( sK0 @ Y0 )
            & ( !! @ $i
              @ ^ [Y1: $i] :
                  ( ( sK0 @ Y1 )
                 => ( Y0 = Y1 ) ) ) ) ) )
    | ( $false
      = ( ?? @ $i
        @ ^ [Y0: $i] :
            ( ( sK1 @ Y0 )
            & ( !! @ $i
              @ ^ [Y1: $i] :
                  ( ( sK1 @ Y1 )
                 => ( Y0 = Y1 ) ) ) ) ) ) ),
    inference(beta-eta_normalization,[],[f20]) ).

thf(f22,plain,
    ! [X1: $i] :
      ( ( $false
        = ( ^ [Y0: $i] :
              ( ( sK0 @ Y0 )
              & ( !! @ $i
                @ ^ [Y1: $i] :
                    ( ( sK0 @ Y1 )
                   => ( Y0 = Y1 ) ) ) )
          @ X1 ) )
      | ( $false
        = ( ?? @ $i
          @ ^ [Y0: $i] :
              ( ( sK1 @ Y0 )
              & ( !! @ $i
                @ ^ [Y1: $i] :
                    ( ( sK1 @ Y1 )
                   => ( Y0 = Y1 ) ) ) ) ) ) ),
    inference(pi_proxy_clausification,[],[f21]) ).

thf(f23,plain,
    ! [X2: $i,X1: $i] :
      ( ( $false
        = ( ^ [Y0: $i] :
              ( ( sK0 @ Y0 )
              & ( !! @ $i
                @ ^ [Y1: $i] :
                    ( ( sK0 @ Y1 )
                   => ( Y0 = Y1 ) ) ) )
          @ X1 ) )
      | ( $false
        = ( ^ [Y0: $i] :
              ( ( sK1 @ Y0 )
              & ( !! @ $i
                @ ^ [Y1: $i] :
                    ( ( sK1 @ Y1 )
                   => ( Y0 = Y1 ) ) ) )
          @ X2 ) ) ),
    inference(pi_proxy_clausification,[],[f22]) ).

thf(f24,plain,
    ! [X2: $i,X1: $i] :
      ( ( $false
        = ( ( sK0 @ X1 )
          & ( !! @ $i
            @ ^ [Y0: $i] :
                ( ( sK0 @ Y0 )
               => ( X1 = Y0 ) ) ) ) )
      | ( $false
        = ( ( sK1 @ X2 )
          & ( !! @ $i
            @ ^ [Y0: $i] :
                ( ( sK1 @ Y0 )
               => ( X2 = Y0 ) ) ) ) ) ),
    inference(beta-eta_normalization,[],[f23]) ).

thf(f25,plain,
    ! [X2: $i,X1: $i] :
      ( ( $false
        = ( !! @ $i
          @ ^ [Y0: $i] :
              ( ( sK0 @ Y0 )
             => ( X1 = Y0 ) ) ) )
      | ( $false
        = ( ( sK1 @ X2 )
          & ( !! @ $i
            @ ^ [Y0: $i] :
                ( ( sK1 @ Y0 )
               => ( X2 = Y0 ) ) ) ) )
      | ( $false
        = ( sK0 @ X1 ) ) ),
    inference(and_proxy_clausification,[],[f24]) ).

thf(f26,plain,
    ! [X2: $i,X1: $i] :
      ( ( $false
        = ( ^ [Y0: $i] :
              ( ( sK0 @ Y0 )
             => ( X1 = Y0 ) )
          @ ( sK2 @ X1 ) ) )
      | ( $false
        = ( ( sK1 @ X2 )
          & ( !! @ $i
            @ ^ [Y0: $i] :
                ( ( sK1 @ Y0 )
               => ( X2 = Y0 ) ) ) ) )
      | ( $false
        = ( sK0 @ X1 ) ) ),
    inference(sigma_proxy_clausification,[],[f25]) ).

thf(f27,plain,
    ! [X2: $i,X1: $i] :
      ( ( $false
        = ( ^ [Y0: $i] :
              ( ( sK0 @ Y0 )
             => ( X1 = Y0 ) )
          @ ( sK2 @ X1 ) ) )
      | ( $false
        = ( !! @ $i
          @ ^ [Y0: $i] :
              ( ( sK1 @ Y0 )
             => ( X2 = Y0 ) ) ) )
      | ( $false
        = ( sK0 @ X1 ) )
      | ( $false
        = ( sK1 @ X2 ) ) ),
    inference(and_proxy_clausification,[],[f26]) ).

thf(f28,plain,
    ! [X2: $i,X1: $i] :
      ( ( $false
        = ( ^ [Y0: $i] :
              ( ( sK0 @ Y0 )
             => ( X1 = Y0 ) )
          @ ( sK2 @ X1 ) ) )
      | ( $false
        = ( ^ [Y0: $i] :
              ( ( sK1 @ Y0 )
             => ( X2 = Y0 ) )
          @ ( sK3 @ X2 ) ) )
      | ( $false
        = ( sK0 @ X1 ) )
      | ( $false
        = ( sK1 @ X2 ) ) ),
    inference(sigma_proxy_clausification,[],[f27]) ).

thf(f29,plain,
    ! [X2: $i,X1: $i] :
      ( ( $false
        = ( ( sK0 @ ( sK2 @ X1 ) )
         => ( X1
            = ( sK2 @ X1 ) ) ) )
      | ( $false
        = ( ( sK1 @ ( sK3 @ X2 ) )
         => ( X2
            = ( sK3 @ X2 ) ) ) )
      | ( $false
        = ( sK0 @ X1 ) )
      | ( $false
        = ( sK1 @ X2 ) ) ),
    inference(beta-eta_normalization,[],[f28]) ).

thf(f30,plain,
    ! [X2: $i,X1: $i] :
      ( ( $false
        = ( X1
          = ( sK2 @ X1 ) ) )
      | ( $false
        = ( ( sK1 @ ( sK3 @ X2 ) )
         => ( X2
            = ( sK3 @ X2 ) ) ) )
      | ( $false
        = ( sK0 @ X1 ) )
      | ( $false
        = ( sK1 @ X2 ) ) ),
    inference(imp_proxy_clausification,[],[f29]) ).

thf(f31,plain,
    ! [X2: $i,X1: $i] :
      ( ( $true
        = ( sK0 @ ( sK2 @ X1 ) ) )
      | ( $false
        = ( ( sK1 @ ( sK3 @ X2 ) )
         => ( X2
            = ( sK3 @ X2 ) ) ) )
      | ( $false
        = ( sK0 @ X1 ) )
      | ( $false
        = ( sK1 @ X2 ) ) ),
    inference(imp_proxy_clausification,[],[f29]) ).

thf(f32,plain,
    ! [X2: $i,X1: $i] :
      ( ( $true
        = ( sK0 @ ( sK2 @ X1 ) ) )
      | ( $false
        = ( X2
          = ( sK3 @ X2 ) ) )
      | ( $false
        = ( sK0 @ X1 ) )
      | ( $false
        = ( sK1 @ X2 ) ) ),
    inference(imp_proxy_clausification,[],[f31]) ).

thf(f33,plain,
    ! [X2: $i,X1: $i] :
      ( ( $true
        = ( sK0 @ ( sK2 @ X1 ) ) )
      | ( $true
        = ( sK1 @ ( sK3 @ X2 ) ) )
      | ( $false
        = ( sK0 @ X1 ) )
      | ( $false
        = ( sK1 @ X2 ) ) ),
    inference(imp_proxy_clausification,[],[f31]) ).

thf(f34,plain,
    ! [X2: $i,X1: $i] :
      ( ( $true
        = ( sK0 @ ( sK2 @ X1 ) ) )
      | ( ( sK3 @ X2 )
       != X2 )
      | ( $false
        = ( sK0 @ X1 ) )
      | ( $false
        = ( sK1 @ X2 ) ) ),
    inference(equality_proxy_clausification,[],[f32]) ).

thf(f35,plain,
    ! [X2: $i,X1: $i] :
      ( ( ( sK2 @ X1 )
       != X1 )
      | ( $false
        = ( ( sK1 @ ( sK3 @ X2 ) )
         => ( X2
            = ( sK3 @ X2 ) ) ) )
      | ( $false
        = ( sK0 @ X1 ) )
      | ( $false
        = ( sK1 @ X2 ) ) ),
    inference(equality_proxy_clausification,[],[f30]) ).

thf(f36,plain,
    ! [X2: $i,X1: $i] :
      ( ( ( sK2 @ X1 )
       != X1 )
      | ( $false
        = ( X2
          = ( sK3 @ X2 ) ) )
      | ( $false
        = ( sK0 @ X1 ) )
      | ( $false
        = ( sK1 @ X2 ) ) ),
    inference(imp_proxy_clausification,[],[f35]) ).

thf(f37,plain,
    ! [X2: $i,X1: $i] :
      ( ( ( sK2 @ X1 )
       != X1 )
      | ( $true
        = ( sK1 @ ( sK3 @ X2 ) ) )
      | ( $false
        = ( sK0 @ X1 ) )
      | ( $false
        = ( sK1 @ X2 ) ) ),
    inference(imp_proxy_clausification,[],[f35]) ).

thf(f38,plain,
    ! [X2: $i,X1: $i] :
      ( ( ( sK2 @ X1 )
       != X1 )
      | ( ( sK3 @ X2 )
       != X2 )
      | ( $false
        = ( sK0 @ X1 ) )
      | ( $false
        = ( sK1 @ X2 ) ) ),
    inference(equality_proxy_clausification,[],[f36]) ).

thf(f39,plain,
    ( ( $true
      = ( ?? @ $i
        @ ^ [Y0: $i] :
            ( ( sK0 @ Y0 )
            & ( !! @ $i
              @ ^ [Y1: $i] :
                  ( ( sK0 @ Y1 )
                 => ( Y0 = Y1 ) ) ) ) ) )
    | ( $true
      = ( ?? @ $i
        @ ^ [Y0: $i] :
            ( ( sK1 @ Y0 )
            & ( !! @ $i
              @ ^ [Y1: $i] :
                  ( ( sK1 @ Y1 )
                 => ( Y0 = Y1 ) ) ) ) ) ) ),
    inference(beta-eta_normalization,[],[f19]) ).

thf(f40,plain,
    ( ( $true
      = ( ^ [Y0: $i] :
            ( ( sK0 @ Y0 )
            & ( !! @ $i
              @ ^ [Y1: $i] :
                  ( ( sK0 @ Y1 )
                 => ( Y0 = Y1 ) ) ) )
        @ sK4 ) )
    | ( $true
      = ( ?? @ $i
        @ ^ [Y0: $i] :
            ( ( sK1 @ Y0 )
            & ( !! @ $i
              @ ^ [Y1: $i] :
                  ( ( sK1 @ Y1 )
                 => ( Y0 = Y1 ) ) ) ) ) ) ),
    inference(sigma_proxy_clausification,[],[f39]) ).

thf(f41,plain,
    ( ( $true
      = ( ^ [Y0: $i] :
            ( ( sK0 @ Y0 )
            & ( !! @ $i
              @ ^ [Y1: $i] :
                  ( ( sK0 @ Y1 )
                 => ( Y0 = Y1 ) ) ) )
        @ sK4 ) )
    | ( $true
      = ( ^ [Y0: $i] :
            ( ( sK1 @ Y0 )
            & ( !! @ $i
              @ ^ [Y1: $i] :
                  ( ( sK1 @ Y1 )
                 => ( Y0 = Y1 ) ) ) )
        @ sK5 ) ) ),
    inference(sigma_proxy_clausification,[],[f40]) ).

thf(f42,plain,
    ( ( $true
      = ( ( sK0 @ sK4 )
        & ( !! @ $i
          @ ^ [Y0: $i] :
              ( ( sK0 @ Y0 )
             => ( sK4 = Y0 ) ) ) ) )
    | ( $true
      = ( ( sK1 @ sK5 )
        & ( !! @ $i
          @ ^ [Y0: $i] :
              ( ( sK1 @ Y0 )
             => ( sK5 = Y0 ) ) ) ) ) ),
    inference(beta-eta_normalization,[],[f41]) ).

thf(f43,plain,
    ( ( $true
      = ( !! @ $i
        @ ^ [Y0: $i] :
            ( ( sK0 @ Y0 )
           => ( sK4 = Y0 ) ) ) )
    | ( $true
      = ( ( sK1 @ sK5 )
        & ( !! @ $i
          @ ^ [Y0: $i] :
              ( ( sK1 @ Y0 )
             => ( sK5 = Y0 ) ) ) ) ) ),
    inference(and_proxy_clausification,[],[f42]) ).

thf(f44,plain,
    ( ( $true
      = ( sK0 @ sK4 ) )
    | ( $true
      = ( ( sK1 @ sK5 )
        & ( !! @ $i
          @ ^ [Y0: $i] :
              ( ( sK1 @ Y0 )
             => ( sK5 = Y0 ) ) ) ) ) ),
    inference(and_proxy_clausification,[],[f42]) ).

thf(f45,plain,
    ( ( $true
      = ( sK0 @ sK4 ) )
    | ( $true
      = ( !! @ $i
        @ ^ [Y0: $i] :
            ( ( sK1 @ Y0 )
           => ( sK5 = Y0 ) ) ) ) ),
    inference(and_proxy_clausification,[],[f44]) ).

thf(f46,plain,
    ( ( $true
      = ( sK0 @ sK4 ) )
    | ( $true
      = ( sK1 @ sK5 ) ) ),
    inference(and_proxy_clausification,[],[f44]) ).

thf(f47,plain,
    ! [X1: $i] :
      ( ( $true
        = ( sK0 @ sK4 ) )
      | ( $true
        = ( ^ [Y0: $i] :
              ( ( sK1 @ Y0 )
             => ( sK5 = Y0 ) )
          @ X1 ) ) ),
    inference(pi_proxy_clausification,[],[f45]) ).

thf(f48,plain,
    ! [X1: $i] :
      ( ( $true
        = ( sK0 @ sK4 ) )
      | ( $true
        = ( ( sK1 @ X1 )
         => ( sK5 = X1 ) ) ) ),
    inference(beta-eta_normalization,[],[f47]) ).

thf(f49,plain,
    ! [X1: $i] :
      ( ( $true
        = ( sK0 @ sK4 ) )
      | ( $false
        = ( sK1 @ X1 ) )
      | ( $true
        = ( sK5 = X1 ) ) ),
    inference(imp_proxy_clausification,[],[f48]) ).

thf(f50,plain,
    ! [X1: $i] :
      ( ( $true
        = ( sK0 @ sK4 ) )
      | ( $false
        = ( sK1 @ X1 ) )
      | ( sK5 = X1 ) ),
    inference(equality_proxy_clausification,[],[f49]) ).

thf(f51,plain,
    ! [X1: $i] :
      ( ( $true
        = ( ^ [Y0: $i] :
              ( ( sK0 @ Y0 )
             => ( sK4 = Y0 ) )
          @ X1 ) )
      | ( $true
        = ( ( sK1 @ sK5 )
          & ( !! @ $i
            @ ^ [Y0: $i] :
                ( ( sK1 @ Y0 )
               => ( sK5 = Y0 ) ) ) ) ) ),
    inference(pi_proxy_clausification,[],[f43]) ).

thf(f52,plain,
    ! [X1: $i] :
      ( ( $true
        = ( ^ [Y0: $i] :
              ( ( sK0 @ Y0 )
             => ( sK4 = Y0 ) )
          @ X1 ) )
      | ( $true
        = ( !! @ $i
          @ ^ [Y0: $i] :
              ( ( sK1 @ Y0 )
             => ( sK5 = Y0 ) ) ) ) ),
    inference(and_proxy_clausification,[],[f51]) ).

thf(f53,plain,
    ! [X1: $i] :
      ( ( $true
        = ( ^ [Y0: $i] :
              ( ( sK0 @ Y0 )
             => ( sK4 = Y0 ) )
          @ X1 ) )
      | ( $true
        = ( sK1 @ sK5 ) ) ),
    inference(and_proxy_clausification,[],[f51]) ).

thf(f54,plain,
    ! [X1: $i] :
      ( ( $true
        = ( ( sK0 @ X1 )
         => ( sK4 = X1 ) ) )
      | ( $true
        = ( sK1 @ sK5 ) ) ),
    inference(beta-eta_normalization,[],[f53]) ).

thf(f55,plain,
    ! [X1: $i] :
      ( ( $false
        = ( sK0 @ X1 ) )
      | ( $true
        = ( sK1 @ sK5 ) )
      | ( $true
        = ( sK4 = X1 ) ) ),
    inference(imp_proxy_clausification,[],[f54]) ).

thf(f56,plain,
    ! [X1: $i] :
      ( ( $false
        = ( sK0 @ X1 ) )
      | ( $true
        = ( sK1 @ sK5 ) )
      | ( sK4 = X1 ) ),
    inference(equality_proxy_clausification,[],[f55]) ).

thf(f57,plain,
    ! [X2: $i,X1: $i] :
      ( ( $true
        = ( ^ [Y0: $i] :
              ( ( sK0 @ Y0 )
             => ( sK4 = Y0 ) )
          @ X1 ) )
      | ( $true
        = ( ^ [Y0: $i] :
              ( ( sK1 @ Y0 )
             => ( sK5 = Y0 ) )
          @ X2 ) ) ),
    inference(pi_proxy_clausification,[],[f52]) ).

thf(f58,plain,
    ! [X2: $i,X1: $i] :
      ( ( $true
        = ( ( sK0 @ X1 )
         => ( sK4 = X1 ) ) )
      | ( $true
        = ( ( sK1 @ X2 )
         => ( sK5 = X2 ) ) ) ),
    inference(beta-eta_normalization,[],[f57]) ).

thf(f59,plain,
    ! [X2: $i,X1: $i] :
      ( ( $false
        = ( sK0 @ X1 ) )
      | ( $true
        = ( ( sK1 @ X2 )
         => ( sK5 = X2 ) ) )
      | ( $true
        = ( sK4 = X1 ) ) ),
    inference(imp_proxy_clausification,[],[f58]) ).

thf(f60,plain,
    ! [X2: $i,X1: $i] :
      ( ( $false
        = ( sK0 @ X1 ) )
      | ( $false
        = ( sK1 @ X2 ) )
      | ( $true
        = ( sK4 = X1 ) )
      | ( $true
        = ( sK5 = X2 ) ) ),
    inference(imp_proxy_clausification,[],[f59]) ).

thf(f61,plain,
    ! [X2: $i,X1: $i] :
      ( ( $false
        = ( sK0 @ X1 ) )
      | ( $false
        = ( sK1 @ X2 ) )
      | ( sK4 = X1 )
      | ( $true
        = ( sK5 = X2 ) ) ),
    inference(equality_proxy_clausification,[],[f60]) ).

thf(f62,plain,
    ! [X2: $i,X1: $i] :
      ( ( $false
        = ( sK0 @ X1 ) )
      | ( $false
        = ( sK1 @ X2 ) )
      | ( sK4 = X1 )
      | ( sK5 = X2 ) ),
    inference(equality_proxy_clausification,[],[f61]) ).

thf(f64,definition,
    ( spl6_1
  <=> ! [X2: $i] :
        ( ( $true
          = ( sK1 @ ( sK3 @ X2 ) ) )
        | ( $false
          = ( sK1 @ X2 ) ) ) ),
    introduced(definition,[new_symbols(definition,[spl6_1])],[avatar_definition]) ).

thf(f65,plain,
    ( ! [X2: $i] :
        ( ( $true
          = ( sK1 @ ( sK3 @ X2 ) ) )
        | ( $false
          = ( sK1 @ X2 ) ) )
    | ~ spl6_1 ),
    inference(avatar_component_clause,[],[f64]) ).

thf(f67,definition,
    ( spl6_2
  <=> ! [X1: $i] :
        ( ( $true
          = ( sK0 @ ( sK2 @ X1 ) ) )
        | ( $false
          = ( sK0 @ X1 ) ) ) ),
    introduced(definition,[new_symbols(definition,[spl6_2])],[avatar_definition]) ).

thf(f68,plain,
    ( ! [X1: $i] :
        ( ( $true
          = ( sK0 @ ( sK2 @ X1 ) ) )
        | ( $false
          = ( sK0 @ X1 ) ) )
    | ~ spl6_2 ),
    inference(avatar_component_clause,[],[f67]) ).

thf(f69,plain,
    ( spl6_1
    | spl6_2 ),
    inference(avatar_split_clause,[],[f33,f67,f64]) ).

thf(f71,definition,
    ( spl6_3
  <=> ! [X2: $i] :
        ( ( ( sK3 @ X2 )
         != X2 )
        | ( $false
          = ( sK1 @ X2 ) ) ) ),
    introduced(definition,[new_symbols(definition,[spl6_3])],[avatar_definition]) ).

thf(f72,plain,
    ( ! [X2: $i] :
        ( ( $false
          = ( sK1 @ X2 ) )
        | ( ( sK3 @ X2 )
         != X2 ) )
    | ~ spl6_3 ),
    inference(avatar_component_clause,[],[f71]) ).

thf(f73,plain,
    ( spl6_3
    | spl6_2 ),
    inference(avatar_split_clause,[],[f34,f67,f71]) ).

thf(f75,definition,
    ( spl6_4
  <=> ! [X1: $i] :
        ( ( ( sK2 @ X1 )
         != X1 )
        | ( $false
          = ( sK0 @ X1 ) ) ) ),
    introduced(definition,[new_symbols(definition,[spl6_4])],[avatar_definition]) ).

thf(f76,plain,
    ( ! [X1: $i] :
        ( ( $false
          = ( sK0 @ X1 ) )
        | ( ( sK2 @ X1 )
         != X1 ) )
    | ~ spl6_4 ),
    inference(avatar_component_clause,[],[f75]) ).

thf(f77,plain,
    ( spl6_1
    | spl6_4 ),
    inference(avatar_split_clause,[],[f37,f75,f64]) ).

thf(f78,plain,
    ( spl6_3
    | spl6_4 ),
    inference(avatar_split_clause,[],[f38,f75,f71]) ).

thf(f80,definition,
    ( spl6_5
  <=> ( $true
      = ( sK1 @ sK5 ) ) ),
    introduced(definition,[new_symbols(definition,[spl6_5])],[avatar_definition]) ).

thf(f82,plain,
    ( ( $true
      = ( sK1 @ sK5 ) )
    | ~ spl6_5 ),
    inference(avatar_component_clause,[],[f80]) ).

thf(f84,definition,
    ( spl6_6
  <=> ( $true
      = ( sK0 @ sK4 ) ) ),
    introduced(definition,[new_symbols(definition,[spl6_6])],[avatar_definition]) ).

thf(f86,plain,
    ( ( $true
      = ( sK0 @ sK4 ) )
    | ~ spl6_6 ),
    inference(avatar_component_clause,[],[f84]) ).

thf(f87,plain,
    ( spl6_5
    | spl6_6 ),
    inference(avatar_split_clause,[],[f46,f84,f80]) ).

thf(f89,definition,
    ( spl6_7
  <=> ! [X1: $i] :
        ( ( $false
          = ( sK1 @ X1 ) )
        | ( sK5 = X1 ) ) ),
    introduced(definition,[new_symbols(definition,[spl6_7])],[avatar_definition]) ).

thf(f90,plain,
    ( ! [X1: $i] :
        ( ( $false
          = ( sK1 @ X1 ) )
        | ( sK5 = X1 ) )
    | ~ spl6_7 ),
    inference(avatar_component_clause,[],[f89]) ).

thf(f91,plain,
    ( spl6_7
    | spl6_6 ),
    inference(avatar_split_clause,[],[f50,f84,f89]) ).

thf(f93,definition,
    ( spl6_8
  <=> ! [X1: $i] :
        ( ( $false
          = ( sK0 @ X1 ) )
        | ( sK4 = X1 ) ) ),
    introduced(definition,[new_symbols(definition,[spl6_8])],[avatar_definition]) ).

thf(f94,plain,
    ( ! [X1: $i] :
        ( ( $false
          = ( sK0 @ X1 ) )
        | ( sK4 = X1 ) )
    | ~ spl6_8 ),
    inference(avatar_component_clause,[],[f93]) ).

thf(f95,plain,
    ( spl6_5
    | spl6_8 ),
    inference(avatar_split_clause,[],[f56,f93,f80]) ).

thf(f96,plain,
    ( spl6_7
    | spl6_8 ),
    inference(avatar_split_clause,[],[f62,f93,f89]) ).

thf(f107,plain,
    ( ! [X0: $i] :
        ( ( $true = $false )
        | ( sK5 = X0 )
        | ( $false
          = ( sK0 @ X0 ) ) )
    | ~ spl6_7 ),
    inference(constrained_superposition,[],[f90,f17]) ).

thf(f108,plain,
    ( ! [X0: $i] :
        ( ( $false
          = ( sK0 @ X0 ) )
        | ( sK5 = X0 ) )
    | ~ spl6_7 ),
    inference(trivial_inequality_removal,[],[f107]) ).

thf(f113,plain,
    ( ( $true = $false )
    | ( $true
      = ( sK0 @ sK5 ) )
    | ~ spl6_5 ),
    inference(constrained_superposition,[],[f82,f18]) ).

thf(f116,plain,
    ( ( $true
      = ( sK0 @ sK5 ) )
    | ~ spl6_5 ),
    inference(trivial_inequality_removal,[],[f113]) ).

thf(f122,plain,
    ( ( $true = $false )
    | ( sK5
     != ( sK2 @ sK5 ) )
    | ~ spl6_4
    | ~ spl6_5 ),
    inference(constrained_superposition,[],[f116,f76]) ).

thf(f123,plain,
    ( ( sK5
     != ( sK2 @ sK5 ) )
    | ~ spl6_4
    | ~ spl6_5 ),
    inference(trivial_inequality_removal,[],[f122]) ).

thf(f132,plain,
    ( ! [X0: $i] :
        ( ( $true = $false )
        | ( $false
          = ( sK0 @ X0 ) )
        | ( sK5
          = ( sK2 @ X0 ) ) )
    | ~ spl6_2
    | ~ spl6_7 ),
    inference(constrained_superposition,[],[f68,f108]) ).

thf(f133,plain,
    ( ! [X0: $i] :
        ( ( $false
          = ( sK0 @ X0 ) )
        | ( sK5
          = ( sK2 @ X0 ) ) )
    | ~ spl6_2
    | ~ spl6_7 ),
    inference(trivial_inequality_removal,[],[f132]) ).

thf(f136,plain,
    ( ( $true = $false )
    | ( sK5
      = ( sK2 @ sK5 ) )
    | ~ spl6_2
    | ~ spl6_5
    | ~ spl6_7 ),
    inference(constrained_superposition,[],[f133,f116]) ).

thf(f145,plain,
    ( ( sK5
      = ( sK2 @ sK5 ) )
    | ~ spl6_2
    | ~ spl6_5
    | ~ spl6_7 ),
    inference(trivial_inequality_removal,[],[f136]) ).

thf(f148,plain,
    ( $false
    | ~ spl6_2
    | ~ spl6_4
    | ~ spl6_5
    | ~ spl6_7 ),
    inference(forward_subsumption_resolution,[],[f145,f123]) ).

thf(f149,plain,
    ( ~ spl6_2
    | ~ spl6_4
    | ~ spl6_5
    | ~ spl6_7 ),
    inference(avatar_contradiction_clause,[],[f148]) ).

thf(f160,plain,
    ( ( $true = $false )
    | ( sK4
     != ( sK2 @ sK4 ) )
    | ~ spl6_4
    | ~ spl6_6 ),
    inference(constrained_superposition,[],[f76,f86]) ).

thf(f161,plain,
    ( ( sK4
     != ( sK2 @ sK4 ) )
    | ~ spl6_4
    | ~ spl6_6 ),
    inference(trivial_inequality_removal,[],[f160]) ).

thf(f175,plain,
    ( ! [X0: $i] :
        ( ( $true = $false )
        | ( $false
          = ( sK0 @ X0 ) )
        | ( sK4
          = ( sK2 @ X0 ) ) )
    | ~ spl6_2
    | ~ spl6_8 ),
    inference(constrained_superposition,[],[f68,f94]) ).

thf(f176,plain,
    ( ! [X0: $i] :
        ( ( $false
          = ( sK0 @ X0 ) )
        | ( sK4
          = ( sK2 @ X0 ) ) )
    | ~ spl6_2
    | ~ spl6_8 ),
    inference(trivial_inequality_removal,[],[f175]) ).

thf(f182,plain,
    ( ! [X0: $i] :
        ( ( $true = $false )
        | ( $false
          = ( sK0 @ X0 ) )
        | ( ( sK3 @ X0 )
         != X0 ) )
    | ~ spl6_3 ),
    inference(constrained_superposition,[],[f17,f72]) ).

thf(f184,plain,
    ( ! [X0: $i] :
        ( ( $false
          = ( sK0 @ X0 ) )
        | ( ( sK3 @ X0 )
         != X0 ) )
    | ~ spl6_3 ),
    inference(trivial_inequality_removal,[],[f182]) ).

thf(f199,plain,
    ( ! [X0: $i] :
        ( ( $true = $false )
        | ( $true
          = ( sK0 @ ( sK3 @ X0 ) ) )
        | ( $false
          = ( sK1 @ X0 ) ) )
    | ~ spl6_1 ),
    inference(constrained_superposition,[],[f18,f65]) ).

thf(f202,plain,
    ( ! [X0: $i] :
        ( ( $true
          = ( sK0 @ ( sK3 @ X0 ) ) )
        | ( $false
          = ( sK1 @ X0 ) ) )
    | ~ spl6_1 ),
    inference(trivial_inequality_removal,[],[f199]) ).

thf(f216,plain,
    ( ( $true = $false )
    | ( sK4
      = ( sK2 @ sK4 ) )
    | ~ spl6_2
    | ~ spl6_6
    | ~ spl6_8 ),
    inference(constrained_superposition,[],[f86,f176]) ).

thf(f217,plain,
    ( ( sK4
      = ( sK2 @ sK4 ) )
    | ~ spl6_2
    | ~ spl6_6
    | ~ spl6_8 ),
    inference(trivial_inequality_removal,[],[f216]) ).

thf(f227,plain,
    ( ( $true = $false )
    | ( sK4
     != ( sK3 @ sK4 ) )
    | ~ spl6_3
    | ~ spl6_6 ),
    inference(constrained_superposition,[],[f86,f184]) ).

thf(f228,plain,
    ( ( sK4
     != ( sK3 @ sK4 ) )
    | ~ spl6_3
    | ~ spl6_6 ),
    inference(trivial_inequality_removal,[],[f227]) ).

thf(f256,plain,
    ( ! [X0: $i] :
        ( ( $true = $false )
        | ( $false
          = ( sK1 @ X0 ) )
        | ( sK5
          = ( sK3 @ X0 ) ) )
    | ~ spl6_1
    | ~ spl6_7 ),
    inference(constrained_superposition,[],[f202,f108]) ).

thf(f259,plain,
    ( ! [X0: $i] :
        ( ( $true = $false )
        | ( sK4
          = ( sK3 @ X0 ) )
        | ( $false
          = ( sK1 @ X0 ) ) )
    | ~ spl6_1
    | ~ spl6_8 ),
    inference(constrained_superposition,[],[f94,f202]) ).

thf(f264,plain,
    ( ! [X0: $i] :
        ( ( $false
          = ( sK1 @ X0 ) )
        | ( sK4
          = ( sK3 @ X0 ) ) )
    | ~ spl6_1
    | ~ spl6_8 ),
    inference(trivial_inequality_removal,[],[f259]) ).

thf(f267,plain,
    ( ! [X0: $i] :
        ( ( $false
          = ( sK1 @ X0 ) )
        | ( sK5
          = ( sK3 @ X0 ) ) )
    | ~ spl6_1
    | ~ spl6_7 ),
    inference(trivial_inequality_removal,[],[f256]) ).

thf(f295,plain,
    ( ! [X0: $i] :
        ( ( $true = $false )
        | ( $false
          = ( sK0 @ X0 ) )
        | ( sK4
          = ( sK3 @ X0 ) ) )
    | ~ spl6_1
    | ~ spl6_8 ),
    inference(constrained_superposition,[],[f17,f264]) ).

thf(f299,plain,
    ( ! [X0: $i] :
        ( ( $false
          = ( sK0 @ X0 ) )
        | ( sK4
          = ( sK3 @ X0 ) ) )
    | ~ spl6_1
    | ~ spl6_8 ),
    inference(trivial_inequality_removal,[],[f295]) ).

thf(f308,plain,
    ( ( $true = $false )
    | ( sK4
      = ( sK3 @ sK4 ) )
    | ~ spl6_1
    | ~ spl6_6
    | ~ spl6_8 ),
    inference(constrained_superposition,[],[f299,f86]) ).

thf(f317,plain,
    ( ( sK4
      = ( sK3 @ sK4 ) )
    | ~ spl6_1
    | ~ spl6_6
    | ~ spl6_8 ),
    inference(trivial_inequality_removal,[],[f308]) ).

thf(f322,plain,
    ( $false
    | ~ spl6_1
    | ~ spl6_3
    | ~ spl6_6
    | ~ spl6_8 ),
    inference(forward_subsumption_resolution,[],[f317,f228]) ).

thf(f323,plain,
    ( ~ spl6_1
    | ~ spl6_3
    | ~ spl6_6
    | ~ spl6_8 ),
    inference(avatar_contradiction_clause,[],[f322]) ).

thf(f330,plain,
    ( $false
    | ~ spl6_2
    | ~ spl6_4
    | ~ spl6_6
    | ~ spl6_8 ),
    inference(forward_subsumption_resolution,[],[f161,f217]) ).

thf(f331,plain,
    ( ~ spl6_2
    | ~ spl6_4
    | ~ spl6_6
    | ~ spl6_8 ),
    inference(avatar_contradiction_clause,[],[f330]) ).

thf(f340,plain,
    ( ( $true = $false )
    | ( sK4
      = ( sK3 @ sK5 ) )
    | ~ spl6_1
    | ~ spl6_5
    | ~ spl6_8 ),
    inference(constrained_superposition,[],[f264,f82]) ).

thf(f343,plain,
    ( ( sK4
      = ( sK3 @ sK5 ) )
    | ~ spl6_1
    | ~ spl6_5
    | ~ spl6_8 ),
    inference(trivial_inequality_removal,[],[f340]) ).

thf(f362,plain,
    ( ( $true = $false )
    | ( sK4 = sK5 )
    | ~ spl6_5
    | ~ spl6_8 ),
    inference(constrained_superposition,[],[f94,f116]) ).

thf(f363,plain,
    ( ( sK4 = sK5 )
    | ~ spl6_5
    | ~ spl6_8 ),
    inference(trivial_inequality_removal,[],[f362]) ).

thf(f369,plain,
    ( ( $true = $false )
    | ( sK5
     != ( sK3 @ sK5 ) )
    | ~ spl6_3
    | ~ spl6_5 ),
    inference(constrained_superposition,[],[f72,f82]) ).

thf(f373,plain,
    ( ( $true = $false )
    | ( sK5
     != ( sK3 @ sK5 ) )
    | ~ spl6_3
    | ~ spl6_5 ),
    inference(constrained_superposition,[],[f82,f72]) ).

thf(f374,plain,
    ( ( sK5
     != ( sK3 @ sK5 ) )
    | ~ spl6_3
    | ~ spl6_5 ),
    inference(trivial_inequality_removal,[],[f373]) ).

thf(f378,plain,
    ( ( sK5
     != ( sK3 @ sK5 ) )
    | ~ spl6_3
    | ~ spl6_5 ),
    inference(trivial_inequality_removal,[],[f369]) ).

thf(f382,plain,
    ( ( sK4 != sK5 )
    | ~ spl6_1
    | ~ spl6_3
    | ~ spl6_5
    | ~ spl6_8 ),
    inference(forward_demodulation,[],[f378,f343]) ).

thf(f385,plain,
    ( $false
    | ~ spl6_1
    | ~ spl6_3
    | ~ spl6_5
    | ~ spl6_8 ),
    inference(forward_subsumption_resolution,[],[f382,f363]) ).

thf(f386,plain,
    ( ~ spl6_1
    | ~ spl6_3
    | ~ spl6_5
    | ~ spl6_8 ),
    inference(avatar_contradiction_clause,[],[f385]) ).

thf(f410,plain,
    ( ( $true = $false )
    | ( sK5
      = ( sK3 @ sK5 ) )
    | ~ spl6_1
    | ~ spl6_5
    | ~ spl6_7 ),
    inference(constrained_superposition,[],[f267,f82]) ).

thf(f419,plain,
    ( ( sK5
      = ( sK3 @ sK5 ) )
    | ~ spl6_1
    | ~ spl6_5
    | ~ spl6_7 ),
    inference(trivial_inequality_removal,[],[f410]) ).

thf(f424,plain,
    ( $false
    | ~ spl6_1
    | ~ spl6_3
    | ~ spl6_5
    | ~ spl6_7 ),
    inference(forward_subsumption_resolution,[],[f419,f374]) ).

thf(f425,plain,
    ( ~ spl6_1
    | ~ spl6_3
    | ~ spl6_5
    | ~ spl6_7 ),
    inference(avatar_contradiction_clause,[],[f424]) ).

cnf(s1,plain,
    ( spl6_1
    | spl6_2 ),
    inference(sat_conversion,[],[f69]) ).

cnf(s2,plain,
    ( spl6_2
    | spl6_3 ),
    inference(sat_conversion,[],[f73]) ).

cnf(s3,plain,
    ( spl6_1
    | spl6_4 ),
    inference(sat_conversion,[],[f77]) ).

cnf(s4,plain,
    ( spl6_3
    | spl6_4 ),
    inference(sat_conversion,[],[f78]) ).

cnf(s5,plain,
    ( spl6_5
    | spl6_6 ),
    inference(sat_conversion,[],[f87]) ).

cnf(s6,plain,
    ( spl6_6
    | spl6_7 ),
    inference(sat_conversion,[],[f91]) ).

cnf(s7,plain,
    ( spl6_5
    | spl6_8 ),
    inference(sat_conversion,[],[f95]) ).

cnf(s8,plain,
    ( spl6_7
    | spl6_8 ),
    inference(sat_conversion,[],[f96]) ).

cnf(s10,plain,
    ( ~ spl6_2
    | ~ spl6_4
    | ~ spl6_5
    | ~ spl6_7 ),
    inference(sat_conversion,[],[f149]) ).

cnf(s16,plain,
    ( ~ spl6_1
    | ~ spl6_3
    | ~ spl6_6
    | ~ spl6_8 ),
    inference(sat_conversion,[],[f323]) ).

cnf(s19,plain,
    ( ~ spl6_2
    | ~ spl6_4
    | ~ spl6_6
    | ~ spl6_8 ),
    inference(sat_conversion,[],[f331]) ).

cnf(s21,plain,
    ( ~ spl6_1
    | ~ spl6_3
    | ~ spl6_5
    | ~ spl6_8 ),
    inference(sat_conversion,[],[f386]) ).

cnf(s23,plain,
    ( ~ spl6_1
    | ~ spl6_3
    | ~ spl6_5
    | ~ spl6_7 ),
    inference(sat_conversion,[],[f425]) ).

cnf(s24,plain,
    ( spl6_5
    | spl6_1 ),
    inference(rat,[],[s19,s5,s7,s3,s1]) ).

cnf(s25,plain,
    ( ~ spl6_5
    | ~ spl6_2
    | ~ spl6_4 ),
    inference(rat,[],[s19,s6,s8,s10]) ).

cnf(s26,plain,
    spl6_1,
    inference(rat,[],[s25,s24,s1,s3]) ).

cnf(s27,plain,
    ( ~ spl6_4
    | ~ spl6_2 ),
    inference(rat,[],[s19,s5,s7,s25]) ).

cnf(s28,plain,
    ( spl6_5
    | ~ spl6_3 ),
    inference(rat,[],[s16,s5,s7,s26]) ).

cnf(s29,plain,
    ( ~ spl6_5
    | ~ spl6_3 ),
    inference(rat,[],[s8,s21,s23,s26]) ).

cnf(s30,plain,
    ~ spl6_3,
    inference(rat,[],[s29,s28]) ).

cnf(s31,plain,
    spl6_4,
    inference(rat,[],[s4,s30]) ).

cnf(s32,plain,
    spl6_2,
    inference(rat,[],[s2,s30]) ).

cnf(s33,plain,
    $false,
    inference(rat,[],[s27,s32,s31]) ).

thf(f426,plain,
    $false,
    inference(avatar_sat_refutation,[],[s33]) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.02  % Problem  : SEU550^2 : TPTP v9.3.1. Bugfixed v5.2.0.
% 0.00/0.05  % Command  : run_vampire /export/starexec/sandbox2/benchmark/theBenchmark.p 300 SAT
% 0.07/0.16  % Computer : n007.cluster.edu
% 0.07/0.16  % Model    : x86_64 x86_64
% 0.07/0.16  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.07/0.16  % Memory   : 8046.5625MB
% 0.07/0.16  % OS       : Linux 6.8.0-71-generic
% 0.07/0.16  % CPULimit : 300
% 0.07/0.16  % WCLimit  : 300
% 0.07/0.16  % DateTime : Tue Sep 29 13:47:41 UTC 2026
% 0.07/0.16  % CPUTime  : 
% 0.07/0.16  Running run_vampire /export/starexec/sandbox2/benchmark/theBenchmark.p 300 SAT
% 0.07/0.19  Running first-order model finding
% 0.07/0.19  Running: /export/starexec/sandbox2/solver/bin/vampire-ho --input_syntax tptp --output_axiom_names on --mode casc --intent sat -m 16384 --cores 7 -t 300 /export/starexec/sandbox2/benchmark/theBenchmark.p
% 0.07/0.25  % (3390803)Will run a generic schedule for satisfiability detection.
% 0.07/0.25  % (3390808)fmb+10_1_sas=cadical:bce=on:rp=on:random_seed=3622169627_2999 on theBenchmark for (2999ds/0Mi)
% 0.07/0.25  % Exception at run slice level
% 0.07/0.25  User error: Finite model building is currently not compatible with polymorphism or higher-order constructs
% 0.07/0.25  % (3390809)% WARNING: option uhcvi not known.
% 0.07/0.25  % (3390811)dis+10_1_sil=32000:sp=arity:random_seed=953659100:i=103:fgj=on_2999 on theBenchmark for (2999ds/103Mi)
% 0.07/0.25  % (3390810)dis+10_161_sil=256000:plsq=on:plsqr=61199697,1048576:gs=on:alpa=true:sac=on:slsq=on:cn=on:random_seed=3821791026:i=88024:add=on:rawr=on_2999 on theBenchmark for (2999ds/88024Mi)
% 0.07/0.25  % (3390812)ott+31_1_sil=16000:lcm=predicate:bce=on:newcnf=on:random_seed=881118485:i=116_2999 on theBenchmark for (2999ds/116Mi)
% 0.07/0.25  % (3390814)ott-3_16_to=lpo:sil=16000:sp=arity:fd=off:rp=on:random_seed=2706214578:i=159:bs=unit_only:nicw=on:fsr=off:amm=off_2999 on theBenchmark for (2999ds/159Mi)
% 0.07/0.25  % (3390813)ott+1_1_to=lpo:sil=16000:sp=reverse_arity:erd=off:random_seed=1280468290:i=131_2999 on theBenchmark for (2999ds/131Mi)
% 0.07/0.25  % (3390812)WARNING: Not using 'newcnf' as currently not compatible with higher-order inputs.
% 0.07/0.25  % (3390809)dis+11_61:31_drc=ordering:lsd=5:bsr=unit_only:rp=on:newcnf=on:random_seed=2956803901:i=135531:add=off:rawr=on_2999 on theBenchmark for (2999ds/135531Mi)
% 0.07/0.25  % (3390809)WARNING: Not using 'newcnf' as currently not compatible with higher-order inputs.
% 0.07/0.25  % (3390816)fmb+10_1_fmbas=predicate:sil=64000:sas=cadical:random_seed=3151919755:i=714:nm=2_2999 on theBenchmark for (2999ds/714Mi)
% 0.07/0.25  % (3390809)WARNING: Look ahead literal selection is not currently compatible with higher-order. Ignoring request to use
% 0.07/0.25  % Exception at run slice level
% 0.07/0.25  User error: Finite model building is currently not compatible with polymorphism or higher-order constructs
% 0.07/0.25  % (3390812) found proof, printing to "/export/starexec/sandbox2/tmp/vampire-proof-3390803-3390812"...
% 0.07/0.25  % (3390811) found proof, printing to "/export/starexec/sandbox2/tmp/vampire-proof-3390803-3390811"...
% 0.07/0.25  % (3390824)ott+32_1_sil=16000:bsd=on:sp=const_max:bce=on:random_seed=2689815539:i=131:bd=preordered:fsd=on_2999 on theBenchmark for (2999ds/131Mi)
% 0.07/0.25  % (3390812)...printing done.
% 0.07/0.25  % (3390811)...printing done.
% 0.07/0.25  % (3390812)Refutation found. Thanks to Tanya!
% 0.07/0.25  % SZS status Theorem for theBenchmark
% 0.07/0.25  % SZS output start Proof for theBenchmark
% See solution above
% 0.07/0.25  % (3390812)------------------------------
% 0.07/0.25  % (3390812)Version: Vampire 5.0.1 (Release build, commit 5ef7c2677 on 2026-07-16 16:54:09 +0200)
% 0.07/0.25  % (3390812)Linked with Z3 4.14.0.0 3c47fd96cf5645d0c42b2c819d9e9a84380aa721 z3-4.8.4-9178-g3c47fd96c
% 0.07/0.25  % (3390812)CaDiCaL version: 2.1.3
% 0.07/0.25  % (3390812)Termination reason: Refutation
% 0.07/0.25  % (3390812)Time elapsed: 0.014 s
% 0.07/0.25  % (3390812)Peak memory usage: 12 MB
% 0.07/0.25  % (3390812)Instructions burned: 22 (million)
% 0.07/0.25  % (3390803)Success in time 0.045 s
% 0.07/0.25  % Vampire exiting
%------------------------------------------------------------------------------