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Vampire---5.0.1.THM-Ref.s

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%------------------------------------------------------------------------------
% File     : Vampire---5.0.1
% Problem  : SYO890^16 : TPTP v9.3.1. Released v8.1.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : run_vampire /export/starexec/sandbox/benchmark/theBenchmark.p 300 THM

% Computer : n001.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 08:48:35 AM UTC 2026

% Result   : Theorem 0.18s 0.27s
% Output   : Refutation 0.18s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   21
%            Number of leaves      :    7
% Syntax   : Number of formulae    :   61 (  43 unt;   0 typ;   0 def)
%            Number of atoms       :  354 (  74 equ;   0 cnn)
%            Maximal formula atoms :   10 (   5 avg)
%            Number of connectives :  481 (  19   ~;  17   |;  33   &; 364   @)
%                                         (   0 <=>;  26  =>;   0  <=;   0 <~>)
%            Maximal formula depth :   11 (   3 avg)
%            Number of types       :    3 (   1 usr)
%            Number of type conns  :   42 (  42   >;   0   *;   0   +;   0  <<)
%            Number of symbols     :   36 (  31 usr;   7 con; 0-4 aty)
%                                         (  11  !!;  11  ??;   0 @@+;   0 @@-)
%            Number of variables   :  132 (  98   ^;  32   !;   2   ?; 132   :)

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

thf(type_def_6,type,
    sTfun: ( $tType * $tType ) > $tType ).

thf(func_def_0,type,
    mrel: mworld > mworld > $o ).

thf(func_def_1,type,
    mactual: mworld ).

thf(func_def_2,type,
    mlocal: ( mworld > $o ) > $o ).

thf(func_def_4,type,
    mnot: ( mworld > $o ) > mworld > $o ).

thf(func_def_5,type,
    mand: ( mworld > $o ) > ( mworld > $o ) > mworld > $o ).

thf(func_def_6,type,
    mor: ( mworld > $o ) > ( mworld > $o ) > mworld > $o ).

thf(func_def_7,type,
    mimplies: ( mworld > $o ) > ( mworld > $o ) > mworld > $o ).

thf(func_def_8,type,
    mequiv: ( mworld > $o ) > ( mworld > $o ) > mworld > $o ).

thf(func_def_9,type,
    mbox: ( mworld > $o ) > mworld > $o ).

thf(func_def_10,type,
    mdia: ( mworld > $o ) > mworld > $o ).

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

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

thf(func_def_13,type,
    mexists_di: ( $i > mworld > $o ) > mworld > $o ).

thf(func_def_14,type,
    e: $i > mworld > $o ).

thf(func_def_15,type,
    f: $i > mworld > $o ).

thf(func_def_16,type,
    vNOT: $o > $o ).

thf(func_def_17,type,
    db1: 
      !>[X0: $tType] : X0 ).

thf(func_def_18,type,
    db0: 
      !>[X0: $tType] : X0 ).

thf(func_def_19,type,
    vLAM: 
      !>[X0: $tType,X1: $tType] : ( X1 > X0 > X1 ) ).

thf(func_def_20,type,
    vAND: $o > $o > $o ).

thf(func_def_21,type,
    db2: 
      !>[X0: $tType] : X0 ).

thf(func_def_24,type,
    vPI: 
      !>[X0: $tType] : ( ( X0 > $o ) > $o ) ).

thf(func_def_25,type,
    vIMP: $o > $o > $o ).

thf(func_def_26,type,
    vIFF: $o > $o > $o ).

thf(func_def_27,type,
    vOR: $o > $o > $o ).

thf(func_def_28,type,
    vSIGMA: 
      !>[X0: $tType] : ( ( X0 > $o ) > $o ) ).

thf(func_def_29,type,
    sK0: mworld > $i ).

thf(func_def_30,type,
    db3: 
      !>[X0: $tType] : X0 ).

thf(func_def_32,type,
    sK2: mworld ).

thf(f1,axiom,
    ( mlocal
    = ( ^ [X0: mworld > $o] : ( X0 @ mactual ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',mlocal_def) ).

thf(f3,axiom,
    ( mand
    = ( ^ [X0: mworld > $o,X1: mworld > $o,X2: mworld] :
          ( ( X0 @ X2 )
          & ( X1 @ X2 ) ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',mand_def) ).

thf(f5,axiom,
    ( ( ^ [X0: mworld > $o,X1: mworld > $o,X2: mworld] :
          ( ( X0 @ X2 )
         => ( X1 @ X2 ) ) )
    = mimplies ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',mimplies_def) ).

thf(f7,axiom,
    ( mbox
    = ( ^ [X0: mworld > $o,X1: mworld] :
        ! [X2: mworld] :
          ( ( mrel @ X1 @ X2 )
         => ( X0 @ X2 ) ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',mbox_def) ).

thf(f12,axiom,
    ! [X2: $i,X1: mworld,X0: mworld] :
      ( ( ( mrel @ X0 @ X1 )
        & ( eiw_di @ X2 @ X0 ) )
     => ( eiw_di @ X2 @ X1 ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',eiw_di_cumul) ).

thf(f14,axiom,
    ( mexists_di
    = ( ^ [X0: $i > mworld > $o,X1: mworld] :
        ? [X2: $i] :
          ( ( X0 @ X2 @ X1 )
          & ( eiw_di @ X2 @ X1 ) ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',mexists_di_def) ).

thf(f15,conjecture,
    ( mlocal
    @ ( mimplies
      @ ( mexists_di
        @ ^ [X0: $i] : ( mbox @ ( mand @ ( e @ X0 ) @ ( f @ X0 ) ) ) )
      @ ( mbox
        @ ( mexists_di
          @ ^ [X0: $i] : ( f @ X0 ) ) ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',con) ).

thf(f16,negated_conjecture,
    ~ ( mlocal
      @ ( mimplies
        @ ( mexists_di
          @ ^ [X0: $i] : ( mbox @ ( mand @ ( e @ X0 ) @ ( f @ X0 ) ) ) )
        @ ( mbox
          @ ( mexists_di
            @ ^ [X0: $i] : ( f @ X0 ) ) ) ) ),
    inference(negated_conjecture,[status(cth)],[f15]) ).

thf(f19,plain,
    ( mand
    = ( ^ [X0: mworld > $o,X1: mworld > $o,X2: mworld] :
          ( ( X0 @ X2 )
          & ( X1 @ X2 ) ) ) ),
    inference(rectify,[],[f3]) ).

thf(f20,plain,
    ( mand
    = ( ^ [Y0: mworld > $o,Y1: mworld > $o,Y2: mworld] :
          ( ( Y1 @ Y2 )
          & ( Y0 @ Y2 ) ) ) ),
    inference(fool_elimination,[],[f19]) ).

thf(f21,plain,
    ( mlocal
    = ( ^ [Y0: mworld > $o] : ( Y0 @ mactual ) ) ),
    inference(fool_elimination,[],[f1]) ).

thf(f24,plain,
    ( mbox
    = ( ^ [X0: mworld > $o,X1: mworld] :
        ! [X2: mworld] :
          ( ( mrel @ X1 @ X2 )
         => ( X0 @ X2 ) ) ) ),
    inference(rectify,[],[f7]) ).

thf(f25,plain,
    ( mbox
    = ( ^ [Y0: mworld > $o,Y1: mworld] :
          ( !! @ mworld
          @ ^ [Y2: mworld] :
              ( ( mrel @ Y1 @ Y2 )
             => ( Y0 @ Y2 ) ) ) ) ),
    inference(fool_elimination,[],[f24]) ).

thf(f32,plain,
    ~ ( mlocal
      @ ( mimplies
        @ ( mexists_di
          @ ^ [X0: $i] : ( mbox @ ( mand @ ( e @ X0 ) @ ( f @ X0 ) ) ) )
        @ ( mbox
          @ ( mexists_di
            @ ^ [X1: $i] : ( f @ X1 ) ) ) ) ),
    inference(rectify,[],[f16]) ).

thf(f33,plain,
    ( ( mlocal
      @ ( mimplies
        @ ( mexists_di
          @ ^ [Y0: $i] : ( mbox @ ( mand @ ( e @ Y0 ) @ ( f @ Y0 ) ) ) )
        @ ( mbox
          @ ( mexists_di
            @ ^ [Y0: $i] : ( f @ Y0 ) ) ) ) )
   != $true ),
    inference(fool_elimination,[],[f32]) ).

thf(f36,plain,
    ( ( ^ [X0: mworld > $o,X1: mworld > $o,X2: mworld] :
          ( ( X0 @ X2 )
         => ( X1 @ X2 ) ) )
    = mimplies ),
    inference(rectify,[],[f5]) ).

thf(f37,plain,
    ( mimplies
    = ( ^ [Y0: mworld > $o,Y1: mworld > $o,Y2: mworld] :
          ( ( Y0 @ Y2 )
         => ( Y1 @ Y2 ) ) ) ),
    inference(fool_elimination,[],[f36]) ).

thf(f40,plain,
    ( mexists_di
    = ( ^ [X0: $i > mworld > $o,X1: mworld] :
        ? [X2: $i] :
          ( ( X0 @ X2 @ X1 )
          & ( eiw_di @ X2 @ X1 ) ) ) ),
    inference(rectify,[],[f14]) ).

thf(f41,plain,
    ( mexists_di
    = ( ^ [Y0: $i > mworld > $o,Y1: mworld] :
          ( ?? @ $i
          @ ^ [Y2: $i] :
              ( ( eiw_di @ Y2 @ Y1 )
              & ( Y0 @ Y2 @ Y1 ) ) ) ) ),
    inference(fool_elimination,[],[f40]) ).

thf(f44,plain,
    ! [X0: $i,X1: mworld,X2: mworld] :
      ( ( ( mrel @ X2 @ X1 )
        & ( eiw_di @ X0 @ X2 ) )
     => ( eiw_di @ X0 @ X1 ) ),
    inference(rectify,[],[f12]) ).

thf(f45,plain,
    ! [X2: mworld,X0: $i,X1: mworld] :
      ( ( ( ( eiw_di @ X0 @ X2 )
          = $true )
        & ( ( mrel @ X2 @ X1 )
          = $true ) )
     => ( $true
        = ( eiw_di @ X0 @ X1 ) ) ),
    inference(fool_elimination,[],[f44]) ).

thf(f46,plain,
    ( ( mlocal
      @ ( mimplies
        @ ( mexists_di
          @ ^ [Y0: $i] : ( mbox @ ( mand @ ( e @ Y0 ) @ ( f @ Y0 ) ) ) )
        @ ( mbox
          @ ( mexists_di
            @ ^ [Y0: $i] : ( f @ Y0 ) ) ) ) )
   != $true ),
    inference(flattening,[],[f33]) ).

thf(f47,plain,
    ! [X2: mworld,X0: $i,X1: mworld] :
      ( ( $true
        = ( eiw_di @ X0 @ X1 ) )
      | ( ( eiw_di @ X0 @ X2 )
       != $true )
      | ( ( mrel @ X2 @ X1 )
       != $true ) ),
    inference(ennf_transformation,[],[f45]) ).

thf(f48,plain,
    ! [X2: mworld,X1: mworld,X0: $i] :
      ( ( ( mrel @ X2 @ X1 )
       != $true )
      | ( ( eiw_di @ X0 @ X2 )
       != $true )
      | ( $true
        = ( eiw_di @ X0 @ X1 ) ) ),
    inference(flattening,[],[f47]) ).

thf(f52,plain,
    ! [X0: mworld,X1: mworld,X2: $i] :
      ( ( ( mrel @ X0 @ X1 )
       != $true )
      | ( ( eiw_di @ X2 @ X0 )
       != $true )
      | ( ( eiw_di @ X2 @ X1 )
        = $true ) ),
    inference(rectify,[],[f48]) ).

thf(f54,plain,
    ( mlocal
    = ( ^ [Y0: mworld > $o] : ( Y0 @ mactual ) ) ),
    inference(cnf_transformation,[],[f21]) ).

thf(f58,plain,
    ( mimplies
    = ( ^ [Y0: mworld > $o,Y1: mworld > $o,Y2: mworld] :
          ( ( Y0 @ Y2 )
         => ( Y1 @ Y2 ) ) ) ),
    inference(cnf_transformation,[],[f37]) ).

thf(f60,plain,
    ( mexists_di
    = ( ^ [Y0: $i > mworld > $o,Y1: mworld] :
          ( ?? @ $i
          @ ^ [Y2: $i] :
              ( ( eiw_di @ Y2 @ Y1 )
              & ( Y0 @ Y2 @ Y1 ) ) ) ) ),
    inference(cnf_transformation,[],[f41]) ).

thf(f61,plain,
    ( mbox
    = ( ^ [Y0: mworld > $o,Y1: mworld] :
          ( !! @ mworld
          @ ^ [Y2: mworld] :
              ( ( mrel @ Y1 @ Y2 )
             => ( Y0 @ Y2 ) ) ) ) ),
    inference(cnf_transformation,[],[f25]) ).

thf(f63,plain,
    ( mand
    = ( ^ [Y0: mworld > $o,Y1: mworld > $o,Y2: mworld] :
          ( ( Y1 @ Y2 )
          & ( Y0 @ Y2 ) ) ) ),
    inference(cnf_transformation,[],[f20]) ).

thf(f66,plain,
    ( ( mlocal
      @ ( mimplies
        @ ( mexists_di
          @ ^ [Y0: $i] : ( mbox @ ( mand @ ( e @ Y0 ) @ ( f @ Y0 ) ) ) )
        @ ( mbox
          @ ( mexists_di
            @ ^ [Y0: $i] : ( f @ Y0 ) ) ) ) )
   != $true ),
    inference(cnf_transformation,[],[f46]) ).

thf(f67,plain,
    ! [X2: $i,X0: mworld,X1: mworld] :
      ( ( ( mrel @ X0 @ X1 )
       != $true )
      | ( ( eiw_di @ X2 @ X0 )
       != $true )
      | ( ( eiw_di @ X2 @ X1 )
        = $true ) ),
    inference(cnf_transformation,[],[f52]) ).

thf(f70,plain,
    ( ( ^ [Y0: mworld > $o] : ( Y0 @ mactual )
      @ ( ^ [Y0: mworld > $o,Y1: mworld > $o,Y2: mworld] :
            ( ( Y0 @ Y2 )
           => ( Y1 @ Y2 ) )
        @ ( ^ [Y0: $i > mworld > $o,Y1: mworld] :
              ( ?? @ $i
              @ ^ [Y2: $i] :
                  ( ( eiw_di @ Y2 @ Y1 )
                  & ( Y0 @ Y2 @ Y1 ) ) )
          @ ^ [Y0: $i] :
              ( ^ [Y1: mworld > $o,Y2: mworld] :
                  ( !! @ mworld
                  @ ^ [Y3: mworld] :
                      ( ( mrel @ Y2 @ Y3 )
                     => ( Y1 @ Y3 ) ) )
              @ ( ^ [Y1: mworld > $o,Y2: mworld > $o,Y3: mworld] :
                    ( ( Y2 @ Y3 )
                    & ( Y1 @ Y3 ) )
                @ ( e @ Y0 )
                @ ( f @ Y0 ) ) ) )
        @ ( ^ [Y0: mworld > $o,Y1: mworld] :
              ( !! @ mworld
              @ ^ [Y2: mworld] :
                  ( ( mrel @ Y1 @ Y2 )
                 => ( Y0 @ Y2 ) ) )
          @ ( ^ [Y0: $i > mworld > $o,Y1: mworld] :
                ( ?? @ $i
                @ ^ [Y2: $i] :
                    ( ( eiw_di @ Y2 @ Y1 )
                    & ( Y0 @ Y2 @ Y1 ) ) )
            @ ^ [Y0: $i] : ( f @ Y0 ) ) ) ) )
   != $true ),
    inference(definition_unfolding,[],[f66,f54,f58,f60,f61,f63,f61,f60]) ).

thf(f71,plain,
    ( ( ( ?? @ $i
        @ ^ [Y0: $i] :
            ( ( eiw_di @ Y0 @ mactual )
            & ( !! @ mworld
              @ ^ [Y1: mworld] :
                  ( ( mrel @ mactual @ Y1 )
                 => ( ( f @ Y0 @ Y1 )
                    & ( e @ Y0 @ Y1 ) ) ) ) ) )
     => ( !! @ mworld
        @ ^ [Y0: mworld] :
            ( ( mrel @ mactual @ Y0 )
           => ( ?? @ $i
              @ ^ [Y1: $i] :
                  ( ( eiw_di @ Y1 @ Y0 )
                  & ( f @ Y1 @ Y0 ) ) ) ) ) )
   != $true ),
    inference(beta-eta_normalization,[],[f70]) ).

thf(f72,plain,
    ( $false
    = ( !! @ mworld
      @ ^ [Y0: mworld] :
          ( ( mrel @ mactual @ Y0 )
         => ( ?? @ $i
            @ ^ [Y1: $i] :
                ( ( eiw_di @ Y1 @ Y0 )
                & ( f @ Y1 @ Y0 ) ) ) ) ) ),
    inference(imp_proxy_clausification,[],[f71]) ).

thf(f73,plain,
    ( $true
    = ( ?? @ $i
      @ ^ [Y0: $i] :
          ( ( eiw_di @ Y0 @ mactual )
          & ( !! @ mworld
            @ ^ [Y1: mworld] :
                ( ( mrel @ mactual @ Y1 )
               => ( ( f @ Y0 @ Y1 )
                  & ( e @ Y0 @ Y1 ) ) ) ) ) ) ),
    inference(imp_proxy_clausification,[],[f71]) ).

thf(f74,plain,
    ( ( ^ [Y0: $i] :
          ( ( eiw_di @ Y0 @ mactual )
          & ( !! @ mworld
            @ ^ [Y1: mworld] :
                ( ( mrel @ mactual @ Y1 )
               => ( ( f @ Y0 @ Y1 )
                  & ( e @ Y0 @ Y1 ) ) ) ) )
      @ sK1 )
    = $true ),
    inference(sigma_proxy_clausification,[],[f73]) ).

thf(f75,plain,
    ( ( ( eiw_di @ sK1 @ mactual )
      & ( !! @ mworld
        @ ^ [Y0: mworld] :
            ( ( mrel @ mactual @ Y0 )
           => ( ( f @ sK1 @ Y0 )
              & ( e @ sK1 @ Y0 ) ) ) ) )
    = $true ),
    inference(beta-eta_normalization,[],[f74]) ).

thf(f76,plain,
    ( ( !! @ mworld
      @ ^ [Y0: mworld] :
          ( ( mrel @ mactual @ Y0 )
         => ( ( f @ sK1 @ Y0 )
            & ( e @ sK1 @ Y0 ) ) ) )
    = $true ),
    inference(and_proxy_clausification,[],[f75]) ).

thf(f77,plain,
    ( $true
    = ( eiw_di @ sK1 @ mactual ) ),
    inference(and_proxy_clausification,[],[f75]) ).

thf(f78,plain,
    ! [X1: mworld] :
      ( ( ^ [Y0: mworld] :
            ( ( mrel @ mactual @ Y0 )
           => ( ( f @ sK1 @ Y0 )
              & ( e @ sK1 @ Y0 ) ) )
        @ X1 )
      = $true ),
    inference(pi_proxy_clausification,[],[f76]) ).

thf(f79,plain,
    ! [X1: mworld] :
      ( $true
      = ( ( mrel @ mactual @ X1 )
       => ( ( f @ sK1 @ X1 )
          & ( e @ sK1 @ X1 ) ) ) ),
    inference(beta-eta_normalization,[],[f78]) ).

thf(f80,plain,
    ! [X1: mworld] :
      ( ( $false
        = ( mrel @ mactual @ X1 ) )
      | ( ( ( f @ sK1 @ X1 )
          & ( e @ sK1 @ X1 ) )
        = $true ) ),
    inference(imp_proxy_clausification,[],[f79]) ).

thf(f82,plain,
    ! [X1: mworld] :
      ( ( $false
        = ( mrel @ mactual @ X1 ) )
      | ( ( f @ sK1 @ X1 )
        = $true ) ),
    inference(and_proxy_clausification,[],[f80]) ).

thf(f83,plain,
    ( ( ^ [Y0: mworld] :
          ( ( mrel @ mactual @ Y0 )
         => ( ?? @ $i
            @ ^ [Y1: $i] :
                ( ( eiw_di @ Y1 @ Y0 )
                & ( f @ Y1 @ Y0 ) ) ) )
      @ sK2 )
    = $false ),
    inference(sigma_proxy_clausification,[],[f72]) ).

thf(f84,plain,
    ( $false
    = ( ( mrel @ mactual @ sK2 )
     => ( ?? @ $i
        @ ^ [Y0: $i] :
            ( ( eiw_di @ Y0 @ sK2 )
            & ( f @ Y0 @ sK2 ) ) ) ) ),
    inference(beta-eta_normalization,[],[f83]) ).

thf(f85,plain,
    ( ( ?? @ $i
      @ ^ [Y0: $i] :
          ( ( eiw_di @ Y0 @ sK2 )
          & ( f @ Y0 @ sK2 ) ) )
    = $false ),
    inference(imp_proxy_clausification,[],[f84]) ).

thf(f86,plain,
    ( ( mrel @ mactual @ sK2 )
    = $true ),
    inference(imp_proxy_clausification,[],[f84]) ).

thf(f87,plain,
    ! [X1: $i] :
      ( ( ^ [Y0: $i] :
            ( ( eiw_di @ Y0 @ sK2 )
            & ( f @ Y0 @ sK2 ) )
        @ X1 )
      = $false ),
    inference(pi_proxy_clausification,[],[f85]) ).

thf(f88,plain,
    ! [X1: $i] :
      ( $false
      = ( ( eiw_di @ X1 @ sK2 )
        & ( f @ X1 @ sK2 ) ) ),
    inference(beta-eta_normalization,[],[f87]) ).

thf(f89,plain,
    ! [X1: $i] :
      ( ( $false
        = ( f @ X1 @ sK2 ) )
      | ( $false
        = ( eiw_di @ X1 @ sK2 ) ) ),
    inference(and_proxy_clausification,[],[f88]) ).

thf(f101,plain,
    ( ( $false = $true )
    | ( $true
      = ( f @ sK1 @ sK2 ) ) ),
    inference(constrained_superposition,[],[f86,f82]) ).

thf(f102,plain,
    ( $true
    = ( f @ sK1 @ sK2 ) ),
    inference(trivial_inequality_removal,[],[f101]) ).

thf(f107,plain,
    ( ( ( eiw_di @ sK1 @ sK2 )
      = $false )
    | ( $false = $true ) ),
    inference(constrained_superposition,[],[f89,f102]) ).

thf(f108,plain,
    ( ( eiw_di @ sK1 @ sK2 )
    = $false ),
    inference(trivial_inequality_removal,[],[f107]) ).

thf(f118,plain,
    ! [X0: $i] :
      ( ( ( eiw_di @ X0 @ mactual )
       != $true )
      | ( $true != $true )
      | ( ( eiw_di @ X0 @ sK2 )
        = $true ) ),
    inference(constrained_superposition,[],[f67,f86]) ).

thf(f121,plain,
    ! [X0: $i] :
      ( ( ( eiw_di @ X0 @ mactual )
       != $true )
      | ( ( eiw_di @ X0 @ sK2 )
        = $true ) ),
    inference(trivial_inequality_removal,[],[f118]) ).

thf(f122,plain,
    ( ( ( eiw_di @ sK1 @ sK2 )
      = $true )
    | ( $true != $true ) ),
    inference(constrained_superposition,[],[f121,f77]) ).

thf(f124,plain,
    ( ( eiw_di @ sK1 @ sK2 )
    = $true ),
    inference(trivial_inequality_removal,[],[f122]) ).

thf(f126,plain,
    $false = $true,
    inference(forward_demodulation,[],[f124,f108]) ).

thf(f127,plain,
    $false,
    inference(trivial_inequality_removal,[],[f126]) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.03  % Problem  : SYO890^16 : TPTP v9.3.1. Released v8.1.0.
% 0.00/0.05  % Command  : run_vampire /export/starexec/sandbox/benchmark/theBenchmark.p 300 THM
% 0.08/0.17  % Computer : n001.cluster.edu
% 0.08/0.17  % Model    : x86_64 x86_64
% 0.08/0.17  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.08/0.17  % Memory   : 8046.5625MB
% 0.08/0.17  % OS       : Linux 6.8.0-71-generic
% 0.08/0.17  % CPULimit : 300
% 0.08/0.17  % WCLimit  : 300
% 0.08/0.17  % DateTime : Tue Sep 29 17:31:51 UTC 2026
% 0.08/0.17  % CPUTime  : 
% 0.08/0.17  Running run_vampire /export/starexec/sandbox/benchmark/theBenchmark.p 300 THM
% 0.08/0.21  Running higher-order theorem proving
% 0.08/0.21  Running: /export/starexec/sandbox/solver/bin/vampire-ho --input_syntax tptp --output_axiom_names on --mode casc -m 16384 --cores 7 -t 300 /export/starexec/sandbox/benchmark/theBenchmark.p
% 0.18/0.27  % (1556080)Detected a higher-order problem, will run a greedy HOL sequence.
% 0.18/0.27  % (1556087)lrs+10_1_cnfonf=off:si=on:uwa=one_side_interpreted:random_seed=1017040247:i=3:rtra=on:inj=on:ntd=on_2999 on theBenchmark for (2999ds/3Mi)
% 0.18/0.27  % (1556087)Refutation not found, incomplete strategy
% 0.18/0.27  % (1556087)------------------------------
% 0.18/0.27  % (1556087)Version: Vampire 5.0.1 (Release build, commit 5ef7c2677 on 2026-07-16 16:54:09 +0200)
% 0.18/0.27  % (1556087)Linked with Z3 4.14.0.0 3c47fd96cf5645d0c42b2c819d9e9a84380aa721 z3-4.8.4-9178-g3c47fd96c
% 0.18/0.27  % (1556087)CaDiCaL version: 2.1.3
% 0.18/0.27  % (1556087)Termination reason: Refutation not found, incomplete strategy
% 0.18/0.27  % (1556087)Time elapsed: 0.002 s
% 0.18/0.27  % (1556087)Peak memory usage: 12 MB
% 0.18/0.27  % (1556087)Instructions burned: 4 (million)
% 0.18/0.27  % (1556087)------------------------------
% 0.18/0.27  % (1556087)------------------------------
% 0.18/0.27  % (1556085)lrs+10_40_drc=off:e2e=on:si=on:uwa=one_side_interpreted:random_seed=2732328080:s2a=on:i=87:rtra=on:ntd=on_2999 on theBenchmark for (2999ds/87Mi)
% 0.18/0.27  % (1556086)lrs+10_16_si=on:nwc=1.5:random_seed=3834898116:i=18:kws=arity_squared:rtra=on:fe=abstraction:ntd=on_2999 on theBenchmark for (2999ds/18Mi)
% 0.18/0.27  % (1556089)dis+21_4_fde=none:e2e=on:si=on:uwa=off:foolp=on:random_seed=2831567614:i=24:av=off:rtra=on_2999 on theBenchmark for (2999ds/24Mi)
% 0.18/0.27  % (1556088)dis+1002_4:1_sfv=off:to=lpo:plsq=on:fde=none:e2e=on:si=on:spb=non_intro:acc=on:uwa=off:fd=preordered:foolp=on:s2agt=32:slsqc=1:slsq=on:random_seed=3088114829:hsq=on:hsqr=16,1:s2a=on:i=634:add=on:nm=16:nicw=on:rtra=on:gtg=position:ss=included:ixr=off:c=on:inj=on:ntd=on:rawr=on_2999 on theBenchmark for (2999ds/634Mi)
% 0.18/0.27  % (1556090)lrs+10_1_to=lpo:sil=128000:e2e=on:si=on:random_seed=953854209:s2a=on:i=75:s2at=3:aac=none:bd=preordered:rtra=on:fe=abstraction_2999 on theBenchmark for (2999ds/75Mi)
% 0.18/0.27  % (1556085) found proof, printing to "/export/starexec/sandbox/tmp/vampire-proof-1556080-1556085"...
% 0.18/0.27  % (1556086) found proof, printing to "/export/starexec/sandbox/tmp/vampire-proof-1556080-1556086"...
% 0.18/0.27  % (1556090) found proof, printing to "/export/starexec/sandbox/tmp/vampire-proof-1556080-1556090"...
% 0.18/0.27  % (1556093)dis+10_1024_sil=128000:si=on:sp=unary_first:urr=on:uwa=all:fd=off:random_seed=3001328619:i=2:hud=10:rtra=on_2999 on theBenchmark for (2999ds/2Mi)
% 0.18/0.27  % (1556093)Instruction limit reached! 
% 0.18/0.27  % (1556093)------------------------------
% 0.18/0.27  % (1556093)Version: Vampire 5.0.1 (Release build, commit 5ef7c2677 on 2026-07-16 16:54:09 +0200)
% 0.18/0.27  % (1556093)Linked with Z3 4.14.0.0 3c47fd96cf5645d0c42b2c819d9e9a84380aa721 z3-4.8.4-9178-g3c47fd96c
% 0.18/0.27  % (1556093)CaDiCaL version: 2.1.3
% 0.18/0.27  % (1556093)Termination reason: Instruction limit
% 0.18/0.27  % (1556093)Termination phase: Saturation
% 0.18/0.27  % (1556093)Time elapsed: 0.001 s
% 0.18/0.27  % (1556086)...printing done.
% 0.18/0.27  % (1556085)...printing done.
% 0.18/0.27  % (1556093)Peak memory usage: 11 MB
% 0.18/0.27  % (1556093)Instructions burned: 3 (million)
% 0.18/0.27  % (1556090)...printing done.
% 0.18/0.27  % (1556085)Refutation found. Thanks to Tanya!
% 0.18/0.27  % SZS status Theorem for theBenchmark
% 0.18/0.27  % SZS output start Proof for theBenchmark
% See solution above
% 0.18/0.27  % (1556085)------------------------------
% 0.18/0.27  % (1556085)Version: Vampire 5.0.1 (Release build, commit 5ef7c2677 on 2026-07-16 16:54:09 +0200)
% 0.18/0.27  % (1556085)Linked with Z3 4.14.0.0 3c47fd96cf5645d0c42b2c819d9e9a84380aa721 z3-4.8.4-9178-g3c47fd96c
% 0.18/0.27  % (1556085)CaDiCaL version: 2.1.3
% 0.18/0.27  % (1556085)Termination reason: Refutation
% 0.18/0.27  % (1556085)Time elapsed: 0.007 s
% 0.18/0.27  % (1556085)Peak memory usage: 12 MB
% 0.18/0.27  % (1556085)Instructions burned: 10 (million)
% 0.18/0.27  % (1556080)Success in time 0.043 s
% 0.18/0.27  % Vampire exiting
%------------------------------------------------------------------------------