↑ Up

DT2H2X---1.9.5.THM-Ref.s

View TPTP
Problem
Process solution in
SystemOnTSTP
Download .tgz
%------------------------------------------------------------------------------
% File     : DT2H2X---1.9.5
% Problem  : SYO902^8 : TPTP v9.2.1. Released v8.1.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : /export/starexec/sandbox/solver/bin/run_DT2H2X /export/starexec/sandbox/benchmark/theBenchmark.p 300

% Computer : n021.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 09:55:10 AM UTC 2026

% Result   : Theorem 1.70s 1.31s
% Output   : Refutation 1.70s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   23
%            Number of leaves      :    6
% Syntax   : Number of formulae    :   56 (  39 unt;   0 typ;   0 def)
%            Number of atoms       :  315 (  66 equ;   0 cnn)
%            Maximal formula atoms :    9 (   5 avg)
%            Number of connectives :  421 (   7   ~;  16   |;  33   &; 316   @)
%                                         (   0 <=>;  18  =>;   0  <=;   0 <~>)
%            Maximal formula depth :    8 (   2 avg)
%            Number of types       :    2 (   1 usr)
%            Number of type conns  :   27 (  27   >;   0   *;   0   +;   0  <<)
%            Number of symbols     :   18 (  13 usr;   6 con; 0-3 aty)
%                                         (   8  !!;  23  ??;   0 @@+;   0 @@-)
%            Number of variables   :  107 (  81   ^;  24   !;   2   ?; 107   :)

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

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

thf(func_def_1,type,
    mrel: mworld > mworld > $o ).

thf(func_def_2,type,
    mactual: mworld ).

thf(func_def_3,type,
    mlocal: ( mworld > $o ) > $o ).

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

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

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

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

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

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

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

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

thf(func_def_27,type,
    sK1: mworld ).

thf(func_def_28,type,
    sK2: mworld > mworld ).

thf(f107,plain,
    $false,
    inference(trivial_inequality_removal,[status(thm)],[f106]) ).

thf(f106,plain,
    $true = $false,
    inference(backward_demodulation,[status(thm)],[f67,f104]) ).

thf(f104,plain,
    ( $false
    = ( p @ ( sK2 @ sK1 ) ) ),
    inference(trivial_inequality_removal,[status(thm)],[f98]) ).

thf(f98,plain,
    ( ( $true = $false )
    | ( $false
      = ( p @ ( sK2 @ sK1 ) ) ) ),
    inference(superposition,[status(thm)],[f89,f71]) ).

thf(f71,plain,
    ( $true
    = ( mrel @ sK1 @ ( sK2 @ sK1 ) ) ),
    inference(trivial_inequality_removal,[status(thm)],[f69]) ).

thf(f69,plain,
    ( ( $true = $false )
    | ( $true
      = ( mrel @ sK1 @ ( sK2 @ sK1 ) ) ) ),
    inference(superposition,[status(thm)],[f42,f56]) ).

thf(f56,plain,
    ! [X1: mworld] :
      ( ( $false
        = ( mrel @ sK1 @ X1 ) )
      | ( $true
        = ( mrel @ X1 @ ( sK2 @ X1 ) ) ) ),
    inference(binary_proxy_clausification,[status(thm)],[f55]) ).

thf(f55,plain,
    ! [X1: mworld] :
      ( ( $false
        = ( mrel @ sK1 @ X1 ) )
      | ( $true
        = ( ( p @ ( sK2 @ X1 ) )
          & ( mrel @ X1 @ ( sK2 @ X1 ) ) ) ) ),
    inference(beta_eta_normalization,[status(thm)],[f54]) ).

thf(f54,plain,
    ! [X1: mworld] :
      ( ( $true
        = ( ^ [Y0: mworld] :
              ( ( p @ Y0 )
              & ( mrel @ X1 @ Y0 ) )
          @ ( sK2 @ X1 ) ) )
      | ( $false
        = ( mrel @ sK1 @ X1 ) ) ),
    inference(sigma_clausification,[status(thm)],[f53]) ).

thf(f53,plain,
    ! [X1: mworld] :
      ( ( $false
        = ( mrel @ sK1 @ X1 ) )
      | ( $true
        = ( ?? @ mworld
          @ ^ [Y0: mworld] :
              ( ( p @ Y0 )
              & ( mrel @ X1 @ Y0 ) ) ) ) ),
    inference(binary_proxy_clausification,[status(thm)],[f52]) ).

thf(f52,plain,
    ! [X1: mworld] :
      ( $true
      = ( ( mrel @ sK1 @ X1 )
       => ( ?? @ mworld
          @ ^ [Y0: mworld] :
              ( ( p @ Y0 )
              & ( mrel @ X1 @ Y0 ) ) ) ) ),
    inference(beta_eta_normalization,[status(thm)],[f51]) ).

thf(f51,plain,
    ! [X1: mworld] :
      ( $true
      = ( ^ [Y0: mworld] :
            ( ( mrel @ sK1 @ Y0 )
           => ( ?? @ mworld
              @ ^ [Y1: mworld] :
                  ( ( p @ Y1 )
                  & ( mrel @ Y0 @ Y1 ) ) ) )
        @ X1 ) ),
    inference(pi_clausification,[status(thm)],[f50]) ).

thf(f50,plain,
    ( $true
    = ( !! @ mworld
      @ ^ [Y0: mworld] :
          ( ( mrel @ sK1 @ Y0 )
         => ( ?? @ mworld
            @ ^ [Y1: mworld] :
                ( ( p @ Y1 )
                & ( mrel @ Y0 @ Y1 ) ) ) ) ) ),
    inference(binary_proxy_clausification,[status(thm)],[f48]) ).

thf(f48,plain,
    ( $true
    = ( ( !! @ mworld
        @ ^ [Y0: mworld] :
            ( ( mrel @ sK1 @ Y0 )
           => ( ?? @ mworld
              @ ^ [Y1: mworld] :
                  ( ( p @ Y1 )
                  & ( mrel @ Y0 @ Y1 ) ) ) ) )
      & ( mrel @ mactual @ sK1 ) ) ),
    inference(beta_eta_normalization,[status(thm)],[f47]) ).

thf(f47,plain,
    ( ( ^ [Y0: mworld] :
          ( ( !! @ mworld
            @ ^ [Y1: mworld] :
                ( ( mrel @ Y0 @ Y1 )
               => ( ?? @ mworld
                  @ ^ [Y2: mworld] :
                      ( ( p @ Y2 )
                      & ( mrel @ Y1 @ Y2 ) ) ) ) )
          & ( mrel @ mactual @ Y0 ) )
      @ sK1 )
    = $true ),
    inference(sigma_clausification,[status(thm)],[f46]) ).

thf(f46,plain,
    ( $true
    = ( ?? @ mworld
      @ ^ [Y0: mworld] :
          ( ( !! @ mworld
            @ ^ [Y1: mworld] :
                ( ( mrel @ Y0 @ Y1 )
               => ( ?? @ mworld
                  @ ^ [Y2: mworld] :
                      ( ( p @ Y2 )
                      & ( mrel @ Y1 @ Y2 ) ) ) ) )
          & ( mrel @ mactual @ Y0 ) ) ) ),
    inference(binary_proxy_clausification,[status(thm)],[f44]) ).

thf(f44,plain,
    ( $true
   != ( ( ?? @ mworld
        @ ^ [Y0: mworld] :
            ( ( !! @ mworld
              @ ^ [Y1: mworld] :
                  ( ( mrel @ Y0 @ Y1 )
                 => ( ?? @ mworld
                    @ ^ [Y2: mworld] :
                        ( ( p @ Y2 )
                        & ( mrel @ Y1 @ Y2 ) ) ) ) )
            & ( mrel @ mactual @ Y0 ) ) )
     => ( ?? @ mworld
        @ ^ [Y0: mworld] :
            ( ( ?? @ mworld
              @ ^ [Y1: mworld] :
                  ( ( p @ Y1 )
                  & ( mrel @ Y0 @ Y1 ) ) )
            & ( mrel @ mactual @ Y0 ) ) ) ) ),
    inference(beta_eta_normalization,[status(thm)],[f43]) ).

thf(f43,plain,
    ( $true
   != ( ^ [Y0: mworld > $o] : ( Y0 @ mactual )
      @ ( ^ [Y0: mworld > $o,Y1: mworld > $o,Y2: mworld] :
            ( ( Y0 @ Y2 )
           => ( Y1 @ Y2 ) )
        @ ( ^ [Y0: mworld > $o,Y1: mworld] :
              ( ?? @ mworld
              @ ^ [Y2: mworld] :
                  ( ( Y0 @ Y2 )
                  & ( mrel @ Y1 @ Y2 ) ) )
          @ ( ^ [Y0: mworld > $o,Y1: mworld] :
                ( !! @ mworld
                @ ^ [Y2: mworld] :
                    ( ( mrel @ Y1 @ Y2 )
                   => ( Y0 @ Y2 ) ) )
            @ ( ^ [Y0: mworld > $o,Y1: mworld] :
                  ( ?? @ mworld
                  @ ^ [Y2: mworld] :
                      ( ( Y0 @ Y2 )
                      & ( mrel @ Y1 @ Y2 ) ) )
              @ p ) ) )
        @ ( ^ [Y0: mworld > $o,Y1: mworld] :
              ( ?? @ mworld
              @ ^ [Y2: mworld] :
                  ( ( Y0 @ Y2 )
                  & ( mrel @ Y1 @ Y2 ) ) )
          @ ( ^ [Y0: mworld > $o,Y1: mworld] :
                ( ?? @ mworld
                @ ^ [Y2: mworld] :
                    ( ( Y0 @ Y2 )
                    & ( mrel @ Y1 @ Y2 ) ) )
            @ p ) ) ) ) ),
    inference(definition_unfolding,[status(thm)],[f38,f41,f40,f33,f34,f33,f33,f33]) ).

thf(f34,plain,
    ( mbox
    = ( ^ [Y0: mworld > $o,Y1: mworld] :
          ( !! @ mworld
          @ ^ [Y2: mworld] :
              ( ( mrel @ Y1 @ Y2 )
             => ( Y0 @ Y2 ) ) ) ) ),
    inference(cnf_transformation,[status(thm)],[f28]) ).

thf(f28,plain,
    ( mbox
    = ( ^ [Y0: mworld > $o,Y1: mworld] :
          ( !! @ mworld
          @ ^ [Y2: mworld] :
              ( ( mrel @ Y1 @ Y2 )
             => ( Y0 @ Y2 ) ) ) ) ),
    inference(fool_elimination,[status(thm)],[f27]) ).

thf(f27,plain,
    ( mbox
    = ( ^ [X0: mworld > $o,X1: mworld] :
        ! [X2: mworld] :
          ( ( mrel @ X1 @ X2 )
         => ( X0 @ X2 ) ) ) ),
    inference(rectify,[status(thm)],[f7]) ).

thf(f7,axiom,
    ( mbox
    = ( ^ [X0: mworld > $o,X2: mworld] :
        ! [X4: mworld] :
          ( ( mrel @ X2 @ X4 )
         => ( X0 @ X4 ) ) ) ),
    file('/export/starexec/sandbox/tmp/tmp.T1TUnQspu6/DTF2THF_15326.p',mbox_def) ).

thf(f33,plain,
    ( mdia
    = ( ^ [Y0: mworld > $o,Y1: mworld] :
          ( ?? @ mworld
          @ ^ [Y2: mworld] :
              ( ( Y0 @ Y2 )
              & ( mrel @ Y1 @ Y2 ) ) ) ) ),
    inference(cnf_transformation,[status(thm)],[f14]) ).

thf(f14,plain,
    ( mdia
    = ( ^ [Y0: mworld > $o,Y1: mworld] :
          ( ?? @ mworld
          @ ^ [Y2: mworld] :
              ( ( Y0 @ Y2 )
              & ( mrel @ Y1 @ Y2 ) ) ) ) ),
    inference(fool_elimination,[status(thm)],[f13]) ).

thf(f13,plain,
    ( ( ^ [X0: mworld > $o,X1: mworld] :
        ? [X2: mworld] :
          ( ( mrel @ X1 @ X2 )
          & ( X0 @ X2 ) ) )
    = mdia ),
    inference(rectify,[status(thm)],[f8]) ).

thf(f8,axiom,
    ( ( ^ [X0: mworld > $o,X2: mworld] :
        ? [X4: mworld] :
          ( ( mrel @ X2 @ X4 )
          & ( X0 @ X4 ) ) )
    = mdia ),
    file('/export/starexec/sandbox/tmp/tmp.T1TUnQspu6/DTF2THF_15326.p',mdia_def) ).

thf(f40,plain,
    ( mimplies
    = ( ^ [Y0: mworld > $o,Y1: mworld > $o,Y2: mworld] :
          ( ( Y0 @ Y2 )
         => ( Y1 @ Y2 ) ) ) ),
    inference(cnf_transformation,[status(thm)],[f16]) ).

thf(f16,plain,
    ( mimplies
    = ( ^ [Y0: mworld > $o,Y1: mworld > $o,Y2: mworld] :
          ( ( Y0 @ Y2 )
         => ( Y1 @ Y2 ) ) ) ),
    inference(fool_elimination,[status(thm)],[f15]) ).

thf(f15,plain,
    ( ( ^ [X0: mworld > $o,X1: mworld > $o,X2: mworld] :
          ( ( X0 @ X2 )
         => ( X1 @ X2 ) ) )
    = mimplies ),
    inference(rectify,[status(thm)],[f5]) ).

thf(f5,axiom,
    ( ( ^ [X1: mworld > $o,X3: mworld > $o,X2: mworld] :
          ( ( X1 @ X2 )
         => ( X3 @ X2 ) ) )
    = mimplies ),
    file('/export/starexec/sandbox/tmp/tmp.T1TUnQspu6/DTF2THF_15326.p',mimplies_def) ).

thf(f41,plain,
    ( mlocal
    = ( ^ [Y0: mworld > $o] : ( Y0 @ mactual ) ) ),
    inference(cnf_transformation,[status(thm)],[f31]) ).

thf(f31,plain,
    ( mlocal
    = ( ^ [Y0: mworld > $o] : ( Y0 @ mactual ) ) ),
    inference(fool_elimination,[status(thm)],[f1]) ).

thf(f1,axiom,
    ( ( ^ [X0: mworld > $o] : ( X0 @ mactual ) )
    = mlocal ),
    file('/export/starexec/sandbox/tmp/tmp.T1TUnQspu6/DTF2THF_15326.p',mlocal_def) ).

thf(f38,plain,
    ( ( mlocal @ ( mimplies @ ( mdia @ ( mbox @ ( mdia @ p ) ) ) @ ( mdia @ ( mdia @ p ) ) ) )
   != $true ),
    inference(cnf_transformation,[status(thm)],[f32]) ).

thf(f32,plain,
    ( ( mlocal @ ( mimplies @ ( mdia @ ( mbox @ ( mdia @ p ) ) ) @ ( mdia @ ( mdia @ p ) ) ) )
   != $true ),
    inference(flattening,[status(thm)],[f24]) ).

thf(f24,plain,
    ( ( mlocal @ ( mimplies @ ( mdia @ ( mbox @ ( mdia @ p ) ) ) @ ( mdia @ ( mdia @ p ) ) ) )
   != $true ),
    inference(fool_elimination,[status(thm)],[f23]) ).

thf(f23,plain,
    ~ ( mlocal @ ( mimplies @ ( mdia @ ( mbox @ ( mdia @ p ) ) ) @ ( mdia @ ( mdia @ p ) ) ) ),
    inference(rectify,[status(thm)],[f11]) ).

thf(f11,negated_conjecture,
    ~ ( mlocal @ ( mimplies @ ( mdia @ ( mbox @ ( mdia @ p ) ) ) @ ( mdia @ ( mdia @ p ) ) ) ),
    inference(negated_conjecture,[status(cth)],[f10]) ).

thf(f10,conjecture,
    mlocal @ ( mimplies @ ( mdia @ ( mbox @ ( mdia @ p ) ) ) @ ( mdia @ ( mdia @ p ) ) ),
    file('/export/starexec/sandbox/tmp/tmp.T1TUnQspu6/DTF2THF_15326.p',con) ).

thf(f42,plain,
    ! [X0: mworld] :
      ( $true
      = ( mrel @ X0 @ X0 ) ),
    inference(cnf_transformation,[status(thm)],[f20]) ).

thf(f20,plain,
    ! [X0: mworld] :
      ( $true
      = ( mrel @ X0 @ X0 ) ),
    inference(fool_elimination,[status(thm)],[f19]) ).

thf(f19,plain,
    ! [X0: mworld] : ( mrel @ X0 @ X0 ),
    inference(rectify,[status(thm)],[f9]) ).

thf(f9,axiom,
    ! [X2: mworld] : ( mrel @ X2 @ X2 ),
    file('/export/starexec/sandbox/tmp/tmp.T1TUnQspu6/DTF2THF_15326.p',mrel_reflexive) ).

thf(f89,plain,
    ! [X0: mworld] :
      ( ( $false
        = ( mrel @ sK1 @ X0 ) )
      | ( $false
        = ( p @ X0 ) ) ),
    inference(trivial_inequality_removal,[status(thm)],[f82]) ).

thf(f82,plain,
    ! [X0: mworld] :
      ( ( $false
        = ( p @ X0 ) )
      | ( $false
        = ( mrel @ sK1 @ X0 ) )
      | ( $true = $false ) ),
    inference(superposition,[status(thm)],[f49,f63]) ).

thf(f63,plain,
    ! [X2: mworld,X1: mworld] :
      ( ( $false
        = ( mrel @ mactual @ X1 ) )
      | ( $false
        = ( p @ X2 ) )
      | ( $false
        = ( mrel @ X1 @ X2 ) ) ),
    inference(binary_proxy_clausification,[status(thm)],[f62]) ).

thf(f62,plain,
    ! [X2: mworld,X1: mworld] :
      ( ( $false
        = ( ( p @ X2 )
          & ( mrel @ X1 @ X2 ) ) )
      | ( $false
        = ( mrel @ mactual @ X1 ) ) ),
    inference(beta_eta_normalization,[status(thm)],[f61]) ).

thf(f61,plain,
    ! [X2: mworld,X1: mworld] :
      ( ( $false
        = ( ^ [Y0: mworld] :
              ( ( p @ Y0 )
              & ( mrel @ X1 @ Y0 ) )
          @ X2 ) )
      | ( $false
        = ( mrel @ mactual @ X1 ) ) ),
    inference(pi_clausification,[status(thm)],[f60]) ).

thf(f60,plain,
    ! [X1: mworld] :
      ( ( $false
        = ( mrel @ mactual @ X1 ) )
      | ( $false
        = ( ?? @ mworld
          @ ^ [Y0: mworld] :
              ( ( p @ Y0 )
              & ( mrel @ X1 @ Y0 ) ) ) ) ),
    inference(binary_proxy_clausification,[status(thm)],[f59]) ).

thf(f59,plain,
    ! [X1: mworld] :
      ( $false
      = ( ( ?? @ mworld
          @ ^ [Y0: mworld] :
              ( ( p @ Y0 )
              & ( mrel @ X1 @ Y0 ) ) )
        & ( mrel @ mactual @ X1 ) ) ),
    inference(beta_eta_normalization,[status(thm)],[f58]) ).

thf(f58,plain,
    ! [X1: mworld] :
      ( $false
      = ( ^ [Y0: mworld] :
            ( ( ?? @ mworld
              @ ^ [Y1: mworld] :
                  ( ( p @ Y1 )
                  & ( mrel @ Y0 @ Y1 ) ) )
            & ( mrel @ mactual @ Y0 ) )
        @ X1 ) ),
    inference(pi_clausification,[status(thm)],[f45]) ).

thf(f45,plain,
    ( $false
    = ( ?? @ mworld
      @ ^ [Y0: mworld] :
          ( ( ?? @ mworld
            @ ^ [Y1: mworld] :
                ( ( p @ Y1 )
                & ( mrel @ Y0 @ Y1 ) ) )
          & ( mrel @ mactual @ Y0 ) ) ) ),
    inference(binary_proxy_clausification,[status(thm)],[f44]) ).

thf(f49,plain,
    ( $true
    = ( mrel @ mactual @ sK1 ) ),
    inference(binary_proxy_clausification,[status(thm)],[f48]) ).

thf(f67,plain,
    ( $true
    = ( p @ ( sK2 @ sK1 ) ) ),
    inference(trivial_inequality_removal,[status(thm)],[f64]) ).

thf(f64,plain,
    ( ( $true = $false )
    | ( $true
      = ( p @ ( sK2 @ sK1 ) ) ) ),
    inference(superposition,[status(thm)],[f57,f42]) ).

thf(f57,plain,
    ! [X1: mworld] :
      ( ( $false
        = ( mrel @ sK1 @ X1 ) )
      | ( $true
        = ( p @ ( sK2 @ X1 ) ) ) ),
    inference(binary_proxy_clausification,[status(thm)],[f55]) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.11  % Problem  : SYO902^8 : TPTP v9.2.1. Released v8.1.0.
% 0.00/0.12  % Command  : /export/starexec/sandbox/solver/bin/run_DT2H2X /export/starexec/sandbox/benchmark/theBenchmark.p 300
% 0.15/0.33  % Computer : n021.cluster.edu
% 0.15/0.33  % Model    : x86_64 x86_64
% 0.15/0.33  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.15/0.33  % Memory   : 8042.1875MB
% 0.15/0.33  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.15/0.33  % CPULimit : 300
% 0.15/0.33  % WCLimit  : 300
% 0.15/0.33  % DateTime : Tue Feb 24 14:53:39 EST 2026
% 0.15/0.33  % CPUTime  : 
% 0.15/0.33  Running /export/starexec/sandbox/solver/bin/run_DT2H2X /export/starexec/sandbox/benchmark/theBenchmark.p 300
% 0.18/0.45  ---- Original DTF file ---
% 0.18/0.45  thf(spec,logic,$$dhol).
% 0.18/0.45  %------------------------------------------------------------------------------
% 0.18/0.45  % File     : SYO902^8 : TPTP v9.2.1. Released v8.1.0.
% 0.18/0.45  % Domain   : Syntactic
% 0.18/0.45  % Problem  : Popcorn problem
% 0.18/0.45  % Version  : [BP13] axioms.
% 0.18/0.45  % English  : 
% 0.18/0.45  
% 0.18/0.45  % Refs     : [RO12]  Raths & Otten (2012), The QMLTP Problem Library for Fi
% 0.18/0.45  %          : [BP13]  Benzmueller & Paulson (2013), Quantified Multimodal Lo
% 0.18/0.45  %          : [Ste22] Steen (2022), An Extensible Logic Embedding Tool for L
% 0.18/0.45  % Source   : [TPTP]
% 0.18/0.45  % Names    : SYM190+1 [QMLTP]
% 0.18/0.45  
% 0.18/0.45  % Status   : Theorem 
% 0.18/0.45  % Rating   : 0.00 v8.2.0, 0.15 v8.1.0
% 0.18/0.45  % Syntax   : Number of formulae    :   22 (   9 unt;  12 typ;   8 def)
% 0.18/0.45  %            Number of atoms       :   28 (   8 equ;   0 cnn)
% 0.18/0.45  %            Maximal formula atoms :    9 (   2 avg)
% 0.18/0.45  %            Number of connectives :   33 (   1   ~;   1   |;   2   &;  26   @)
% 0.18/0.45  %                                         (   1 <=>;   2  =>;   0  <=;   0 <~>)
% 0.18/0.45  %            Maximal formula depth :    7 (   2 avg)
% 0.18/0.45  %            Number of types       :    2 (   1 usr)
% 0.18/0.45  %            Number of type conns  :   46 (  46   >;   0   *;   0   +;   0  <<)
% 0.18/0.45  %            Number of symbols     :   12 (  11 usr;   1 con; 0-3 aty)
% 0.18/0.45  %            Number of variables   :   22 (  19   ^;   2   !;   1   ?;  22   :)
% 0.18/0.45  % SPC      : TH0_THM_EQU_NAR
% 0.18/0.45  
% 0.18/0.45  % Comments : This output was generated by embedproblem, version 1.7.1 (library
% 0.18/0.45  %            version 1.3). Generated on Thu Apr 28 13:18:18 EDT 2022 using
% 0.18/0.45  %            'modal' embedding, version 1.5.2. Logic specification used:
% 0.18/0.45  %            $modal == [$constants == $rigid,$quantification == $varying,
% 0.18/0.45  %            $modalities == $modal_system_T].
% 0.18/0.45  %------------------------------------------------------------------------------
% 0.18/0.45  thf(mworld,type,
% 0.18/0.45      mworld: $tType ).
% 0.18/0.45  
% 0.18/0.45  thf(mrel_type,type,
% 0.18/0.45      mrel: mworld > mworld > $o ).
% 0.18/0.45  
% 0.18/0.45  thf(mactual_type,type,
% 0.18/0.45      mactual: mworld ).
% 0.18/0.45  
% 0.18/0.45  thf(mlocal_type,type,
% 0.18/0.45      mlocal: ( mworld > $o ) > $o ).
% 0.18/0.45  
% 0.18/0.45  thf(mlocal_def,definition,
% 0.18/0.45      ( mlocal
% 0.18/0.45      = ( ^ [Phi: mworld > $o] : ( Phi @ mactual ) ) ) ).
% 0.18/0.45  
% 0.18/0.45  thf(mnot_type,type,
% 0.18/0.45      mnot: ( mworld > $o ) > mworld > $o ).
% 0.18/0.45  
% 0.18/0.45  thf(mand_type,type,
% 0.18/0.45      mand: ( mworld > $o ) > ( mworld > $o ) > mworld > $o ).
% 0.18/0.45  
% 0.18/0.45  thf(mor_type,type,
% 0.18/0.45      mor: ( mworld > $o ) > ( mworld > $o ) > mworld > $o ).
% 0.18/0.45  
% 0.18/0.45  thf(mimplies_type,type,
% 0.18/0.45      mimplies: ( mworld > $o ) > ( mworld > $o ) > mworld > $o ).
% 0.18/0.45  
% 0.18/0.45  thf(mequiv_type,type,
% 0.18/0.45      mequiv: ( mworld > $o ) > ( mworld > $o ) > mworld > $o ).
% 0.18/0.45  
% 0.18/0.45  thf(mnot_def,definition,
% 0.18/0.45      ( mnot
% 0.18/0.45      = ( ^ [A: mworld > $o,W: mworld] :
% 0.18/0.45            ~ ( A @ W ) ) ) ).
% 0.18/0.45  
% 0.18/0.45  thf(mand_def,definition,
% 0.18/0.45      ( mand
% 0.18/0.45      = ( ^ [A: mworld > $o,B: mworld > $o,W: mworld] :
% 0.18/0.45            ( ( A @ W )
% 0.18/0.45            & ( B @ W ) ) ) ) ).
% 0.18/0.45  
% 0.18/0.45  thf(mor_def,definition,
% 0.18/0.45      ( mor
% 0.18/0.45      = ( ^ [A: mworld > $o,B: mworld > $o,W: mworld] :
% 0.18/0.45            ( ( A @ W )
% 0.18/0.45            | ( B @ W ) ) ) ) ).
% 0.18/0.45  
% 0.18/0.45  thf(mimplies_def,definition,
% 0.18/0.45      ( mimplies
% 0.18/0.45      = ( ^ [A: mworld > $o,B: mworld > $o,W: mworld] :
% 0.18/0.45            ( ( A @ W )
% 0.18/0.45           => ( B @ W ) ) ) ) ).
% 0.18/0.45  
% 0.18/0.45  thf(mequiv_def,definition,
% 0.18/0.45      ( mequiv
% 0.18/0.45      = ( ^ [A: mworld > $o,B: mworld > $o,W: mworld] :
% 0.18/0.45            ( ( A @ W )
% 0.18/0.45          <=> ( B @ W ) ) ) ) ).
% 0.18/0.45  
% 0.18/0.45  thf(mbox_type,type,
% 0.18/0.45      mbox: ( mworld > $o ) > mworld > $o ).
% 0.18/0.45  
% 0.18/0.45  thf(mbox_def,definition,
% 0.18/0.45      ( mbox
% 0.18/0.45      = ( ^ [Phi: mworld > $o,W: mworld] :
% 0.18/0.45          ! [V: mworld] :
% 0.18/0.45            ( ( mrel @ W @ V )
% 0.18/0.45           => ( Phi @ V ) ) ) ) ).
% 0.18/0.45  
% 0.18/0.45  thf(mdia_type,type,
% 0.18/0.45      mdia: ( mworld > $o ) > mworld > $o ).
% 0.18/0.45  
% 0.18/0.45  thf(mdia_def,definition,
% 0.18/0.45      ( mdia
% 0.18/0.45      = ( ^ [Phi: mworld > $o,W: mworld] :
% 0.18/0.45          ? [V: mworld] :
% 0.18/0.45            ( ( mrel @ W @ V )
% 0.18/0.45            & ( Phi @ V ) ) ) ) ).
% 0.18/0.45  
% 0.18/0.45  thf(mrel_reflexive,axiom,
% 0.18/0.45      ! [W: mworld] : ( mrel @ W @ W ) ).
% 0.18/0.45  
% 0.18/0.45  thf(p_decl,type,
% 0.18/0.45      p: mworld > $o ).
% 0.18/0.45  
% 0.18/0.45  thf(con,conjecture,
% 0.18/0.45      mlocal @ ( mimplies @ ( mdia @ ( mbox @ ( mdia @ p ) ) ) @ ( mdia @ ( mdia @ p ) ) ) ).
% 0.18/0.45  
% 0.18/0.45  %------------------------------------------------------------------------------
% 0.18/0.45  ------------------------
% 1.55/1.27  ---- Embedded in THF ---
% 1.55/1.27  %%% This output was generated by embedproblem, version 1.9.5 (library version 1.9).
% 1.55/1.27  %%% Generated on Tue Feb 24 14:53:39 EST 2026
% 1.55/1.27  %%% using '$$dhol' embedding, version 1.3.0.
% 1.55/1.27  %%% Logic specification used:
% 1.55/1.27  %%% thf(spec, logic, $$dhol).
% 1.55/1.27  
% 1.55/1.27  % SZS output start ListOfTHF for /export/starexec/sandbox/tmp/tmp.T1TUnQspu6/DTF2DTF15326.p
% See solution above
% 1.55/1.27  ------------------------
% 1.55/1.28  ---- Cleaned THF ---
% 1.55/1.28  thf(mworld,type,
% 1.55/1.28      mworld: $tType ).
% 1.55/1.28  
% 1.55/1.28  thf(mrel_type,type,
% 1.55/1.28      mrel: mworld > mworld > $o ).
% 1.55/1.28  
% 1.55/1.28  thf(mactual_type,type,
% 1.55/1.28      mactual: mworld ).
% 1.55/1.28  
% 1.55/1.28  thf(mlocal_type,type,
% 1.55/1.28      mlocal: ( mworld > $o ) > $o ).
% 1.55/1.28  
% 1.55/1.28  thf(mlocal_def,definition,
% 1.55/1.28      ( mlocal
% 1.55/1.28      = ( ^ [Phi: mworld > $o] : ( Phi @ mactual ) ) ) ).
% 1.55/1.28  
% 1.55/1.28  thf(mnot_type,type,
% 1.55/1.28      mnot: ( mworld > $o ) > mworld > $o ).
% 1.55/1.28  
% 1.55/1.28  thf(mand_type,type,
% 1.55/1.28      mand: ( mworld > $o ) > ( mworld > $o ) > mworld > $o ).
% 1.55/1.28  
% 1.55/1.28  thf(mor_type,type,
% 1.55/1.28      mor: ( mworld > $o ) > ( mworld > $o ) > mworld > $o ).
% 1.55/1.28  
% 1.55/1.28  thf(mimplies_type,type,
% 1.55/1.28      mimplies: ( mworld > $o ) > ( mworld > $o ) > mworld > $o ).
% 1.55/1.28  
% 1.55/1.28  thf(mequiv_type,type,
% 1.55/1.28      mequiv: ( mworld > $o ) > ( mworld > $o ) > mworld > $o ).
% 1.55/1.28  
% 1.55/1.28  thf(mnot_def,definition,
% 1.55/1.28      ( mnot
% 1.55/1.28      = ( ^ [A: mworld > $o,W: mworld] :
% 1.55/1.28            ~ ( A @ W ) ) ) ).
% 1.55/1.28  
% 1.55/1.28  thf(mand_def,definition,
% 1.55/1.28      ( mand
% 1.55/1.28      = ( ^ [A: mworld > $o,B: mworld > $o,W: mworld] :
% 1.55/1.28            ( ( A @ W )
% 1.55/1.28            & ( B @ W ) ) ) ) ).
% 1.55/1.28  
% 1.55/1.28  thf(mor_def,definition,
% 1.55/1.28      ( mor
% 1.55/1.28      = ( ^ [A: mworld > $o,B: mworld > $o,W: mworld] :
% 1.55/1.28            ( ( A @ W )
% 1.55/1.28            | ( B @ W ) ) ) ) ).
% 1.55/1.28  
% 1.55/1.28  thf(mimplies_def,definition,
% 1.55/1.28      ( mimplies
% 1.55/1.28      = ( ^ [A: mworld > $o,B: mworld > $o,W: mworld] :
% 1.55/1.28            ( ( A @ W )
% 1.55/1.28           => ( B @ W ) ) ) ) ).
% 1.55/1.28  
% 1.55/1.28  thf(mequiv_def,definition,
% 1.55/1.28      ( mequiv
% 1.55/1.28      = ( ^ [A: mworld > $o,B: mworld > $o,W: mworld] :
% 1.55/1.28            ( ( A @ W )
% 1.55/1.28          <=> ( B @ W ) ) ) ) ).
% 1.55/1.28  
% 1.55/1.28  thf(mbox_type,type,
% 1.55/1.28      mbox: ( mworld > $o ) > mworld > $o ).
% 1.55/1.28  
% 1.55/1.28  thf(mbox_def,definition,
% 1.55/1.28      ( mbox
% 1.55/1.28      = ( ^ [Phi: mworld > $o,W: mworld] :
% 1.55/1.28          ! [V: mworld] :
% 1.55/1.28            ( ( mrel @ W @ V )
% 1.55/1.28           => ( Phi @ V ) ) ) ) ).
% 1.55/1.28  
% 1.55/1.28  thf(mdia_type,type,
% 1.55/1.28      mdia: ( mworld > $o ) > mworld > $o ).
% 1.55/1.28  
% 1.55/1.28  thf(mdia_def,definition,
% 1.55/1.28      ( mdia
% 1.55/1.28      = ( ^ [Phi: mworld > $o,W: mworld] :
% 1.55/1.28          ? [V: mworld] :
% 1.55/1.28            ( ( mrel @ W @ V )
% 1.55/1.28            & ( Phi @ V ) ) ) ) ).
% 1.55/1.28  
% 1.55/1.28  thf(mrel_reflexive,axiom,
% 1.55/1.28      ! [W: mworld] : ( mrel @ W @ W ) ).
% 1.55/1.28  
% 1.55/1.28  thf(p_decl,type,
% 1.55/1.28      p: mworld > $o ).
% 1.55/1.28  
% 1.55/1.28  thf(con,conjecture,
% 1.55/1.28      mlocal @ ( mimplies @ ( mdia @ ( mbox @ ( mdia @ p ) ) ) @ ( mdia @ ( mdia @ p ) ) ) ).
% 1.55/1.28  ------------------------
% 1.55/1.29  % (15426)lrs+10_1:1_au=on:inj=on:i=2:si=on:rtra=on_0 on DTF2THF_15326 for (2999ds/2Mi)
% 1.55/1.30  % (15426)Instruction limit reached!
% 1.55/1.30  % (15426)------------------------------
% 1.55/1.30  % (15426)Version: Vampire 4.8 (commit 7b44b1c2f on 2025-07-15 09:50:17 +0100)
% 1.55/1.30  % (15426)Termination reason: Unknown
% 1.55/1.30  % (15426)Termination phase: Clausification
% 1.55/1.30  
% 1.55/1.30  % (15426)Memory used [KB]: 895
% 1.55/1.30  % (15426)Time elapsed: 0.002 s
% 1.55/1.30  % (15426)Instructions burned: 2 (million)
% 1.55/1.30  % (15426)------------------------------
% 1.55/1.30  % (15426)------------------------------
% 1.55/1.30  % (15424)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_15326 for (2999ds/4Mi)
% 1.70/1.30  % (15424)Instruction limit reached!
% 1.70/1.30  % (15424)------------------------------
% 1.70/1.30  % (15424)Version: Vampire 4.8 (commit 7b44b1c2f on 2025-07-15 09:50:17 +0100)
% 1.70/1.30  % (15424)Termination reason: Unknown
% 1.70/1.30  % (15424)Termination phase: Saturation
% 1.70/1.30  
% 1.70/1.30  % (15424)Memory used [KB]: 5500
% 1.70/1.30  % (15424)Time elapsed: 0.003 s
% 1.70/1.30  % (15424)Instructions burned: 5 (million)
% 1.70/1.30  % (15424)------------------------------
% 1.70/1.30  % (15424)------------------------------
% 1.70/1.30  % (15423)lrs+1002_1:8_bd=off:fd=off:hud=10:tnu=1:i=183:si=on:rtra=on_0 on DTF2THF_15326 for (2999ds/183Mi)
% 1.70/1.30  % (15427)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_15326 for (2999ds/2Mi)
% 1.70/1.30  % (15428)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_15326 for (2999ds/275Mi)
% 1.70/1.30  % (15429)lrs+1004_1:128_cond=on:e2e=on:sp=weighted_frequency:i=18:si=on:rtra=on_0 on DTF2THF_15326 for (2999ds/18Mi)
% 1.70/1.30  % (15425)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_15326 for (2999ds/27Mi)
% 1.70/1.30  % (15427)Instruction limit reached!
% 1.70/1.30  % (15427)------------------------------
% 1.70/1.30  % (15427)Version: Vampire 4.8 (commit 7b44b1c2f on 2025-07-15 09:50:17 +0100)
% 1.70/1.30  % (15427)Termination reason: Unknown
% 1.70/1.30  % (15427)Termination phase: Property scanning
% 1.70/1.30  
% 1.70/1.30  % (15427)Memory used [KB]: 1023
% 1.70/1.30  % (15427)Time elapsed: 0.003 s
% 1.70/1.30  % (15427)Instructions burned: 2 (million)
% 1.70/1.30  % (15427)------------------------------
% 1.70/1.30  % (15427)------------------------------
% 1.70/1.30  % (15428)Refutation not found, incomplete strategy
% 1.70/1.30  % (15428)------------------------------
% 1.70/1.30  % (15428)Version: Vampire 4.8 (commit 7b44b1c2f on 2025-07-15 09:50:17 +0100)
% 1.70/1.30  % (15428)Termination reason: Refutation not found, incomplete strategy
% 1.70/1.30  
% 1.70/1.30  
% 1.70/1.30  % (15428)Memory used [KB]: 5500
% 1.70/1.30  % (15428)Time elapsed: 0.004 s
% 1.70/1.30  % (15428)Instructions burned: 2 (million)
% 1.70/1.30  % (15430)lrs+10_1:1_bet=on:cnfonf=off:fd=off:hud=5:inj=on:i=3:si=on:rtra=on_0 on DTF2THF_15326 for (2999ds/3Mi)
% 1.70/1.30  % (15428)------------------------------
% 1.70/1.30  % (15428)------------------------------
% 1.70/1.31  % (15430)Instruction limit reached!
% 1.70/1.31  % (15430)------------------------------
% 1.70/1.31  % (15430)Version: Vampire 4.8 (commit 7b44b1c2f on 2025-07-15 09:50:17 +0100)
% 1.70/1.31  % (15430)Termination reason: Unknown
% 1.70/1.31  % (15430)Termination phase: Saturation
% 1.70/1.31  
% 1.70/1.31  % (15430)Memory used [KB]: 5500
% 1.70/1.31  % (15430)Time elapsed: 0.002 s
% 1.70/1.31  % (15430)Instructions burned: 4 (million)
% 1.70/1.31  % (15430)------------------------------
% 1.70/1.31  % (15430)------------------------------
% 1.70/1.31  % (15431)lrs+1002_1:1_cnfonf=lazy_not_be_gen:hud=14:prag=on:sp=weighted_frequency:tnu=1:i=37:si=on:rtra=on_0 on DTF2THF_15326 for (2999ds/37Mi)
% 1.70/1.31  % (15429)First to succeed.
% 1.70/1.31  % (15423)Also succeeded, but the first one will report.
% 1.70/1.31  % (15429)Refutation found. Thanks to Tanya!
% 1.70/1.31  % SZS status Theorem for DTF2THF_15326
% 1.70/1.31  % SZS output start Proof for DTF2THF_15326
% 1.70/1.31  thf(type_def_5, type, mworld: $tType).
% 1.70/1.31  thf(func_def_0, type, mworld: $tType).
% 1.70/1.31  thf(func_def_1, type, mrel: mworld > mworld > $o).
% 1.70/1.31  thf(func_def_2, type, mactual: mworld).
% 1.70/1.31  thf(func_def_3, type, mlocal: (mworld > $o) > $o).
% 1.70/1.31  thf(func_def_5, type, mnot: (mworld > $o) > mworld > $o).
% 1.70/1.31  thf(func_def_6, type, mand: (mworld > $o) > (mworld > $o) > mworld > $o).
% 1.70/1.31  thf(func_def_7, type, mor: (mworld > $o) > (mworld > $o) > mworld > $o).
% 1.70/1.31  thf(func_def_8, type, mimplies: (mworld > $o) > (mworld > $o) > mworld > $o).
% 1.70/1.31  thf(func_def_9, type, mequiv: (mworld > $o) > (mworld > $o) > mworld > $o).
% 1.70/1.31  thf(func_def_10, type, mbox: (mworld > $o) > mworld > $o).
% 1.70/1.31  thf(func_def_11, type, mdia: (mworld > $o) > mworld > $o).
% 1.70/1.31  thf(func_def_12, type, p: mworld > $o).
% 1.70/1.31  thf(func_def_27, type, sK1: mworld).
% 1.70/1.31  thf(func_def_28, type, sK2: mworld > mworld).
% 1.70/1.31  thf(f107,plain,(
% 1.70/1.31    $false),
% 1.70/1.31    inference(trivial_inequality_removal,[status(thm)],[f106])).
% 1.70/1.31  thf(f106,plain,(
% 1.70/1.31    ($true = $false)),
% 1.70/1.31    inference(backward_demodulation,[status(thm)],[f67,f104])).
% 1.70/1.31  thf(f104,plain,(
% 1.70/1.31    ($false = (p @ (sK2 @ sK1)))),
% 1.70/1.31    inference(trivial_inequality_removal,[status(thm)],[f98])).
% 1.70/1.31  thf(f98,plain,(
% 1.70/1.31    ($true = $false) | ($false = (p @ (sK2 @ sK1)))),
% 1.70/1.31    inference(superposition,[status(thm)],[f89,f71])).
% 1.70/1.31  thf(f71,plain,(
% 1.70/1.31    ($true = (mrel @ sK1 @ (sK2 @ sK1)))),
% 1.70/1.31    inference(trivial_inequality_removal,[status(thm)],[f69])).
% 1.70/1.31  thf(f69,plain,(
% 1.70/1.31    ($true = $false) | ($true = (mrel @ sK1 @ (sK2 @ sK1)))),
% 1.70/1.31    inference(superposition,[status(thm)],[f42,f56])).
% 1.70/1.31  thf(f56,plain,(
% 1.70/1.31    ( ! [X1 : mworld] : (($false = (mrel @ sK1 @ X1)) | ($true = (mrel @ X1 @ (sK2 @ X1)))) )),
% 1.70/1.31    inference(binary_proxy_clausification,[status(thm)],[f55])).
% 1.70/1.31  thf(f55,plain,(
% 1.70/1.31    ( ! [X1 : mworld] : (($false = (mrel @ sK1 @ X1)) | ($true = ((p @ (sK2 @ X1)) & (mrel @ X1 @ (sK2 @ X1))))) )),
% 1.70/1.31    inference(beta_eta_normalization,[status(thm)],[f54])).
% 1.70/1.31  thf(f54,plain,(
% 1.70/1.31    ( ! [X1 : mworld] : (($true = ((^[Y0 : mworld]: ((p @ Y0) & (mrel @ X1 @ Y0))) @ (sK2 @ X1))) | ($false = (mrel @ sK1 @ X1))) )),
% 1.70/1.31    inference(sigma_clausification,[status(thm)],[f53])).
% 1.70/1.31  thf(f53,plain,(
% 1.70/1.31    ( ! [X1 : mworld] : (($false = (mrel @ sK1 @ X1)) | ($true = (?? @ mworld @ (^[Y0 : mworld]: ((p @ Y0) & (mrel @ X1 @ Y0)))))) )),
% 1.70/1.31    inference(binary_proxy_clausification,[status(thm)],[f52])).
% 1.70/1.31  thf(f52,plain,(
% 1.70/1.31    ( ! [X1 : mworld] : (($true = ((mrel @ sK1 @ X1) => (?? @ mworld @ (^[Y0 : mworld]: ((p @ Y0) & (mrel @ X1 @ Y0))))))) )),
% 1.70/1.31    inference(beta_eta_normalization,[status(thm)],[f51])).
% 1.70/1.31  thf(f51,plain,(
% 1.70/1.31    ( ! [X1 : mworld] : (($true = ((^[Y0 : mworld]: ((mrel @ sK1 @ Y0) => (?? @ mworld @ (^[Y1 : mworld]: ((p @ Y1) & (mrel @ Y0 @ Y1)))))) @ X1))) )),
% 1.70/1.31    inference(pi_clausification,[status(thm)],[f50])).
% 1.70/1.31  thf(f50,plain,(
% 1.70/1.31    ($true = (!! @ mworld @ (^[Y0 : mworld]: ((mrel @ sK1 @ Y0) => (?? @ mworld @ (^[Y1 : mworld]: ((p @ Y1) & (mrel @ Y0 @ Y1))))))))),
% 1.70/1.31    inference(binary_proxy_clausification,[status(thm)],[f48])).
% 1.70/1.31  thf(f48,plain,(
% 1.70/1.31    ($true = ((!! @ mworld @ (^[Y0 : mworld]: ((mrel @ sK1 @ Y0) => (?? @ mworld @ (^[Y1 : mworld]: ((p @ Y1) & (mrel @ Y0 @ Y1))))))) & (mrel @ mactual @ sK1)))),
% 1.70/1.31    inference(beta_eta_normalization,[status(thm)],[f47])).
% 1.70/1.31  thf(f47,plain,(
% 1.70/1.31    (((^[Y0 : mworld]: ((!! @ mworld @ (^[Y1 : mworld]: ((mrel @ Y0 @ Y1) => (?? @ mworld @ (^[Y2 : mworld]: ((p @ Y2) & (mrel @ Y1 @ Y2))))))) & (mrel @ mactual @ Y0))) @ sK1) = $true)),
% 1.70/1.31    inference(sigma_clausification,[status(thm)],[f46])).
% 1.70/1.31  thf(f46,plain,(
% 1.70/1.31    ($true = (?? @ mworld @ (^[Y0 : mworld]: ((!! @ mworld @ (^[Y1 : mworld]: ((mrel @ Y0 @ Y1) => (?? @ mworld @ (^[Y2 : mworld]: ((p @ Y2) & (mrel @ Y1 @ Y2))))))) & (mrel @ mactual @ Y0)))))),
% 1.70/1.31    inference(binary_proxy_clausification,[status(thm)],[f44])).
% 1.70/1.31  thf(f44,plain,(
% 1.70/1.31    ($true != ((?? @ mworld @ (^[Y0 : mworld]: ((!! @ mworld @ (^[Y1 : mworld]: ((mrel @ Y0 @ Y1) => (?? @ mworld @ (^[Y2 : mworld]: ((p @ Y2) & (mrel @ Y1 @ Y2))))))) & (mrel @ mactual @ Y0)))) => (?? @ mworld @ (^[Y0 : mworld]: ((?? @ mworld @ (^[Y1 : mworld]: ((p @ Y1) & (mrel @ Y0 @ Y1)))) & (mrel @ mactual @ Y0))))))),
% 1.70/1.31    inference(beta_eta_normalization,[status(thm)],[f43])).
% 1.70/1.31  thf(f43,plain,(
% 1.70/1.31    ($true != ((^[Y0 : mworld > $o]: (Y0 @ mactual)) @ ((^[Y0 : mworld > $o]: ((^[Y1 : mworld > $o]: ((^[Y2 : mworld]: ((Y0 @ Y2) => (Y1 @ Y2))))))) @ ((^[Y0 : mworld > $o]: ((^[Y1 : mworld]: (?? @ mworld @ (^[Y2 : mworld]: ((Y0 @ Y2) & (mrel @ Y1 @ Y2))))))) @ ((^[Y0 : mworld > $o]: ((^[Y1 : mworld]: (!! @ mworld @ (^[Y2 : mworld]: ((mrel @ Y1 @ Y2) => (Y0 @ Y2))))))) @ ((^[Y0 : mworld > $o]: ((^[Y1 : mworld]: (?? @ mworld @ (^[Y2 : mworld]: ((Y0 @ Y2) & (mrel @ Y1 @ Y2))))))) @ p))) @ ((^[Y0 : mworld > $o]: ((^[Y1 : mworld]: (?? @ mworld @ (^[Y2 : mworld]: ((Y0 @ Y2) & (mrel @ Y1 @ Y2))))))) @ ((^[Y0 : mworld > $o]: ((^[Y1 : mworld]: (?? @ mworld @ (^[Y2 : mworld]: ((Y0 @ Y2) & (mrel @ Y1 @ Y2))))))) @ p)))))),
% 1.70/1.31    inference(definition_unfolding,[status(thm)],[f38,f41,f40,f33,f34,f33,f33,f33])).
% 1.70/1.31  thf(f34,plain,(
% 1.70/1.31    (mbox = (^[Y0 : mworld > $o]: ((^[Y1 : mworld]: (!! @ mworld @ (^[Y2 : mworld]: ((mrel @ Y1 @ Y2) => (Y0 @ Y2))))))))),
% 1.70/1.31    inference(cnf_transformation,[status(thm)],[f28])).
% 1.70/1.31  thf(f28,plain,(
% 1.70/1.31    (mbox = (^[Y0 : mworld > $o]: ((^[Y1 : mworld]: (!! @ mworld @ (^[Y2 : mworld]: ((mrel @ Y1 @ Y2) => (Y0 @ Y2))))))))),
% 1.70/1.31    inference(fool_elimination,[status(thm)],[f27])).
% 1.70/1.31  thf(f27,plain,(
% 1.70/1.31    (mbox = (^[X0 : mworld > $o, X1 : mworld] : (! [X2 : mworld] : ((mrel @ X1 @ X2) => (X0 @ X2)))))),
% 1.70/1.31    inference(rectify,[status(thm)],[f7])).
% 1.70/1.31  thf(f7,axiom,(
% 1.70/1.31    (mbox = (^[X0 : mworld > $o, X2 : mworld] : (! [X4 : mworld] : ((mrel @ X2 @ X4) => (X0 @ X4)))))),
% 1.70/1.31    file('/export/starexec/sandbox/tmp/tmp.T1TUnQspu6/DTF2THF_15326.p',mbox_def)).
% 1.70/1.31  thf(f33,plain,(
% 1.70/1.31    (mdia = (^[Y0 : mworld > $o]: ((^[Y1 : mworld]: (?? @ mworld @ (^[Y2 : mworld]: ((Y0 @ Y2) & (mrel @ Y1 @ Y2))))))))),
% 1.70/1.31    inference(cnf_transformation,[status(thm)],[f14])).
% 1.70/1.31  thf(f14,plain,(
% 1.70/1.31    (mdia = (^[Y0 : mworld > $o]: ((^[Y1 : mworld]: (?? @ mworld @ (^[Y2 : mworld]: ((Y0 @ Y2) & (mrel @ Y1 @ Y2))))))))),
% 1.70/1.31    inference(fool_elimination,[status(thm)],[f13])).
% 1.70/1.31  thf(f13,plain,(
% 1.70/1.31    ((^[X0 : mworld > $o, X1 : mworld] : (? [X2 : mworld] : ((mrel @ X1 @ X2) & (X0 @ X2)))) = mdia)),
% 1.70/1.31    inference(rectify,[status(thm)],[f8])).
% 1.70/1.31  thf(f8,axiom,(
% 1.70/1.31    ((^[X0 : mworld > $o, X2 : mworld] : (? [X4 : mworld] : ((mrel @ X2 @ X4) & (X0 @ X4)))) = mdia)),
% 1.70/1.31    file('/export/starexec/sandbox/tmp/tmp.T1TUnQspu6/DTF2THF_15326.p',mdia_def)).
% 1.70/1.31  thf(f40,plain,(
% 1.70/1.31    (mimplies = (^[Y0 : mworld > $o]: ((^[Y1 : mworld > $o]: ((^[Y2 : mworld]: ((Y0 @ Y2) => (Y1 @ Y2))))))))),
% 1.70/1.31    inference(cnf_transformation,[status(thm)],[f16])).
% 1.70/1.31  thf(f16,plain,(
% 1.70/1.31    (mimplies = (^[Y0 : mworld > $o]: ((^[Y1 : mworld > $o]: ((^[Y2 : mworld]: ((Y0 @ Y2) => (Y1 @ Y2))))))))),
% 1.70/1.31    inference(fool_elimination,[status(thm)],[f15])).
% 1.70/1.31  thf(f15,plain,(
% 1.70/1.31    ((^[X0 : mworld > $o, X1 : mworld > $o, X2 : mworld] : ((X0 @ X2) => (X1 @ X2))) = mimplies)),
% 1.70/1.31    inference(rectify,[status(thm)],[f5])).
% 1.70/1.31  thf(f5,axiom,(
% 1.70/1.31    ((^[X1 : mworld > $o, X3 : mworld > $o, X2 : mworld] : ((X1 @ X2) => (X3 @ X2))) = mimplies)),
% 1.70/1.31    file('/export/starexec/sandbox/tmp/tmp.T1TUnQspu6/DTF2THF_15326.p',mimplies_def)).
% 1.70/1.31  thf(f41,plain,(
% 1.70/1.31    (mlocal = (^[Y0 : mworld > $o]: (Y0 @ mactual)))),
% 1.70/1.31    inference(cnf_transformation,[status(thm)],[f31])).
% 1.70/1.31  thf(f31,plain,(
% 1.70/1.31    (mlocal = (^[Y0 : mworld > $o]: (Y0 @ mactual)))),
% 1.70/1.31    inference(fool_elimination,[status(thm)],[f1])).
% 1.70/1.31  thf(f1,axiom,(
% 1.70/1.31    ((^[X0 : mworld > $o] : (X0 @ mactual)) = mlocal)),
% 1.70/1.31    file('/export/starexec/sandbox/tmp/tmp.T1TUnQspu6/DTF2THF_15326.p',mlocal_def)).
% 1.70/1.31  thf(f38,plain,(
% 1.70/1.31    ((mlocal @ (mimplies @ (mdia @ (mbox @ (mdia @ p))) @ (mdia @ (mdia @ p)))) != $true)),
% 1.70/1.31    inference(cnf_transformation,[status(thm)],[f32])).
% 1.70/1.31  thf(f32,plain,(
% 1.70/1.31    ((mlocal @ (mimplies @ (mdia @ (mbox @ (mdia @ p))) @ (mdia @ (mdia @ p)))) != $true)),
% 1.70/1.31    inference(flattening,[status(thm)],[f24])).
% 1.70/1.31  thf(f24,plain,(
% 1.70/1.31    ~((mlocal @ (mimplies @ (mdia @ (mbox @ (mdia @ p))) @ (mdia @ (mdia @ p)))) = $true)),
% 1.70/1.31    inference(fool_elimination,[status(thm)],[f23])).
% 1.70/1.31  thf(f23,plain,(
% 1.70/1.31    ~(mlocal @ (mimplies @ (mdia @ (mbox @ (mdia @ p))) @ (mdia @ (mdia @ p))))),
% 1.70/1.31    inference(rectify,[status(thm)],[f11])).
% 1.70/1.31  thf(f11,negated_conjecture,(
% 1.70/1.31    ~(mlocal @ (mimplies @ (mdia @ (mbox @ (mdia @ p))) @ (mdia @ (mdia @ p))))),
% 1.70/1.31    inference(negated_conjecture,[status(cth)],[f10])).
% 1.70/1.31  thf(f10,conjecture,(
% 1.70/1.31    (mlocal @ (mimplies @ (mdia @ (mbox @ (mdia @ p))) @ (mdia @ (mdia @ p))))),
% 1.70/1.31    file('/export/starexec/sandbox/tmp/tmp.T1TUnQspu6/DTF2THF_15326.p',con)).
% 1.70/1.31  thf(f42,plain,(
% 1.70/1.31    ( ! [X0 : mworld] : (($true = (mrel @ X0 @ X0))) )),
% 1.70/1.31    inference(cnf_transformation,[status(thm)],[f20])).
% 1.70/1.31  thf(f20,plain,(
% 1.70/1.31    ! [X0 : mworld] : ($true = (mrel @ X0 @ X0))),
% 1.70/1.31    inference(fool_elimination,[status(thm)],[f19])).
% 1.70/1.31  thf(f19,plain,(
% 1.70/1.31    ! [X0 : mworld] : (mrel @ X0 @ X0)),
% 1.70/1.31    inference(rectify,[status(thm)],[f9])).
% 1.70/1.31  thf(f9,axiom,(
% 1.70/1.31    ! [X2 : mworld] : (mrel @ X2 @ X2)),
% 1.70/1.31    file('/export/starexec/sandbox/tmp/tmp.T1TUnQspu6/DTF2THF_15326.p',mrel_reflexive)).
% 1.70/1.31  thf(f89,plain,(
% 1.70/1.31    ( ! [X0 : mworld] : (($false = (mrel @ sK1 @ X0)) | ($false = (p @ X0))) )),
% 1.70/1.31    inference(trivial_inequality_removal,[status(thm)],[f82])).
% 1.70/1.31  thf(f82,plain,(
% 1.70/1.31    ( ! [X0 : mworld] : (($false = (p @ X0)) | ($false = (mrel @ sK1 @ X0)) | ($true = $false)) )),
% 1.70/1.31    inference(superposition,[status(thm)],[f49,f63])).
% 1.70/1.31  thf(f63,plain,(
% 1.70/1.31    ( ! [X2 : mworld,X1 : mworld] : (($false = (mrel @ mactual @ X1)) | ($false = (p @ X2)) | ($false = (mrel @ X1 @ X2))) )),
% 1.70/1.31    inference(binary_proxy_clausification,[status(thm)],[f62])).
% 1.70/1.31  thf(f62,plain,(
% 1.70/1.31    ( ! [X2 : mworld,X1 : mworld] : (($false = ((p @ X2) & (mrel @ X1 @ X2))) | ($false = (mrel @ mactual @ X1))) )),
% 1.70/1.31    inference(beta_eta_normalization,[status(thm)],[f61])).
% 1.70/1.31  thf(f61,plain,(
% 1.70/1.31    ( ! [X2 : mworld,X1 : mworld] : (($false = ((^[Y0 : mworld]: ((p @ Y0) & (mrel @ X1 @ Y0))) @ X2)) | ($false = (mrel @ mactual @ X1))) )),
% 1.70/1.31    inference(pi_clausification,[status(thm)],[f60])).
% 1.70/1.31  thf(f60,plain,(
% 1.70/1.31    ( ! [X1 : mworld] : (($false = (mrel @ mactual @ X1)) | ($false = (?? @ mworld @ (^[Y0 : mworld]: ((p @ Y0) & (mrel @ X1 @ Y0)))))) )),
% 1.70/1.31    inference(binary_proxy_clausification,[status(thm)],[f59])).
% 1.70/1.31  thf(f59,plain,(
% 1.70/1.31    ( ! [X1 : mworld] : (($false = ((?? @ mworld @ (^[Y0 : mworld]: ((p @ Y0) & (mrel @ X1 @ Y0)))) & (mrel @ mactual @ X1)))) )),
% 1.70/1.31    inference(beta_eta_normalization,[status(thm)],[f58])).
% 1.70/1.31  thf(f58,plain,(
% 1.70/1.31    ( ! [X1 : mworld] : (($false = ((^[Y0 : mworld]: ((?? @ mworld @ (^[Y1 : mworld]: ((p @ Y1) & (mrel @ Y0 @ Y1)))) & (mrel @ mactual @ Y0))) @ X1))) )),
% 1.70/1.31    inference(pi_clausification,[status(thm)],[f45])).
% 1.70/1.31  thf(f45,plain,(
% 1.70/1.31    ($false = (?? @ mworld @ (^[Y0 : mworld]: ((?? @ mworld @ (^[Y1 : mworld]: ((p @ Y1) & (mrel @ Y0 @ Y1)))) & (mrel @ mactual @ Y0)))))),
% 1.70/1.31    inference(binary_proxy_clausification,[status(thm)],[f44])).
% 1.70/1.31  thf(f49,plain,(
% 1.70/1.31    ($true = (mrel @ mactual @ sK1))),
% 1.70/1.31    inference(binary_proxy_clausification,[status(thm)],[f48])).
% 1.70/1.31  thf(f67,plain,(
% 1.70/1.31    ($true = (p @ (sK2 @ sK1)))),
% 1.70/1.31    inference(trivial_inequality_removal,[status(thm)],[f64])).
% 1.70/1.31  thf(f64,plain,(
% 1.70/1.31    ($true = $false) | ($true = (p @ (sK2 @ sK1)))),
% 1.70/1.31    inference(superposition,[status(thm)],[f57,f42])).
% 1.70/1.31  thf(f57,plain,(
% 1.70/1.31    ( ! [X1 : mworld] : (($false = (mrel @ sK1 @ X1)) | ($true = (p @ (sK2 @ X1)))) )),
% 1.70/1.31    inference(binary_proxy_clausification,[status(thm)],[f55])).
% 1.70/1.31  % SZS output end Proof for DTF2THF_15326
% 1.70/1.31  % (15429)------------------------------
% 1.70/1.31  % (15429)Version: Vampire 4.8 (commit 7b44b1c2f on 2025-07-15 09:50:17 +0100)
% 1.70/1.31  % (15429)Termination reason: Refutation
% 1.70/1.31  
% 1.70/1.31  % (15429)Memory used [KB]: 5628
% 1.70/1.31  % (15429)Time elapsed: 0.009 s
% 1.70/1.31  % (15429)Instructions burned: 9 (million)
% 1.70/1.31  % (15429)------------------------------
% 1.70/1.31  % (15429)------------------------------
% 1.70/1.31  % (15422)Success in time 0.017 s
%------------------------------------------------------------------------------