%------------------------------------------------------------------------------
% File : DT2H2X---1.9.5
% Problem : DAT334^21 : TPTP v9.2.1. Released v8.1.0.
% Transfm : none
% Format : tptp:raw
% Command : /export/starexec/sandbox2/solver/bin/run_DT2H2X /export/starexec/sandbox2/benchmark/theBenchmark.p 300
% Computer : n018.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 08:45:29 AM UTC 2026
% Result : Theorem 1.70s 1.37s
% Output : Refutation 1.70s
% Verified :
% SZS Type : Refutation
% Derivation depth : 17
% Number of leaves : 8
% Syntax : Number of formulae : 59 ( 34 unt; 0 typ; 2 def)
% Number of atoms : 397 ( 61 equ; 0 cnn)
% Maximal formula atoms : 17 ( 6 avg)
% Number of connectives : 514 ( 15 ~; 20 |; 41 &; 404 @)
% ( 2 <=>; 12 =>; 0 <=; 0 <~>)
% Maximal formula depth : 10 ( 2 avg)
% Number of types : 3 ( 1 usr)
% Number of type conns : 37 ( 37 >; 0 *; 0 +; 0 <<)
% Number of symbols : 31 ( 26 usr; 14 con; 0-3 aty)
% ( 6 !!; 14 ??; 0 @@+; 0 @@-)
% Number of variables : 102 ( 86 ^; 14 !; 2 ?; 102 :)
% 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,
eiw_di: $i > mworld > $o ).
thf(func_def_13,type,
mforall_di: ( $i > mworld > $o ) > mworld > $o ).
thf(func_def_14,type,
mexists_di: ( $i > mworld > $o ) > mworld > $o ).
thf(func_def_21,type,
teach: $i > $i > mworld > $o ).
thf(func_def_35,type,
sK0: mworld > $i ).
thf(func_def_36,type,
sK1: mworld > mworld ).
thf(func_def_38,type,
sK3: mworld > $i ).
thf(func_def_39,type,
sK4: mworld ).
thf(f123,plain,
$false,
inference(avatar_sat_refutation,[status(thm)],[f106,f116,f122]) ).
thf(f122,plain,
~ spl2_1,
inference(avatar_contradiction_clause,[status(thm)],[f121]) ).
thf(f121,plain,
( $false
| ~ spl2_1 ),
inference(trivial_inequality_removal,[status(thm)],[f117]) ).
thf(f117,plain,
( ( $true = $false )
| ~ spl2_1 ),
inference(superposition,[status(thm)],[f100,f89]) ).
thf(f89,plain,
( ( mrel @ mactual @ sK4 )
= $true ),
inference(binary_proxy_clausification,[status(thm)],[f87]) ).
thf(f87,plain,
( $false
= ( ( mrel @ mactual @ sK4 )
=> ( ?? @ $i
@ ^ [Y0: $i] :
( ( eiw_di @ Y0 @ sK4 )
& ( teach @ Y0 @ cs @ sK4 ) ) ) ) ),
inference(beta_eta_normalization,[status(thm)],[f86]) ).
thf(f86,plain,
( $false
= ( ^ [Y0: mworld] :
( ( mrel @ mactual @ Y0 )
=> ( ?? @ $i
@ ^ [Y1: $i] :
( ( eiw_di @ Y1 @ Y0 )
& ( teach @ Y1 @ cs @ Y0 ) ) ) )
@ sK4 ) ),
inference(sigma_clausification,[status(thm)],[f85]) ).
thf(f85,plain,
( $true
!= ( !! @ mworld
@ ^ [Y0: mworld] :
( ( mrel @ mactual @ Y0 )
=> ( ?? @ $i
@ ^ [Y1: $i] :
( ( eiw_di @ Y1 @ Y0 )
& ( teach @ Y1 @ cs @ Y0 ) ) ) ) ) ),
inference(beta_eta_normalization,[status(thm)],[f70]) ).
thf(f70,plain,
( ( ^ [Y0: mworld > $o] : ( Y0 @ mactual )
@ ( ^ [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] : ( teach @ Y0 @ cs ) ) ) )
!= $true ),
inference(definition_unfolding,[status(thm)],[f65,f67,f55,f68]) ).
thf(f68,plain,
( mexists_di
= ( ^ [Y0: $i > mworld > $o,Y1: mworld] :
( ?? @ $i
@ ^ [Y2: $i] :
( ( eiw_di @ Y2 @ Y1 )
& ( Y0 @ Y2 @ Y1 ) ) ) ) ),
inference(cnf_transformation,[status(thm)],[f34]) ).
thf(f34,plain,
( mexists_di
= ( ^ [Y0: $i > mworld > $o,Y1: mworld] :
( ?? @ $i
@ ^ [Y2: $i] :
( ( eiw_di @ Y2 @ Y1 )
& ( Y0 @ Y2 @ Y1 ) ) ) ) ),
inference(fool_elimination,[status(thm)],[f33]) ).
thf(f33,plain,
( ( ^ [X0: $i > mworld > $o,X1: mworld] :
? [X2: $i] :
( ( X0 @ X2 @ X1 )
& ( eiw_di @ X2 @ X1 ) ) )
= mexists_di ),
inference(rectify,[status(thm)],[f13]) ).
thf(f13,axiom,
( ( ^ [X1: $i > mworld > $o,X2: mworld] :
? [X5: $i] :
( ( X1 @ X5 @ X2 )
& ( eiw_di @ X5 @ X2 ) ) )
= mexists_di ),
file('/export/starexec/sandbox2/tmp/tmp.5ZcOXapnnU/DTF2THF_26639.p',mexists_di_def) ).
thf(f55,plain,
( mbox
= ( ^ [Y0: mworld > $o,Y1: mworld] :
( !! @ mworld
@ ^ [Y2: mworld] :
( ( mrel @ Y1 @ Y2 )
=> ( Y0 @ Y2 ) ) ) ) ),
inference(cnf_transformation,[status(thm)],[f30]) ).
thf(f30,plain,
( mbox
= ( ^ [Y0: mworld > $o,Y1: mworld] :
( !! @ mworld
@ ^ [Y2: mworld] :
( ( mrel @ Y1 @ Y2 )
=> ( Y0 @ Y2 ) ) ) ) ),
inference(fool_elimination,[status(thm)],[f29]) ).
thf(f29,plain,
( ( ^ [X0: mworld > $o,X1: mworld] :
! [X2: mworld] :
( ( mrel @ X1 @ X2 )
=> ( X0 @ X2 ) ) )
= mbox ),
inference(rectify,[status(thm)],[f7]) ).
thf(f7,axiom,
( ( ^ [X0: mworld > $o,X2: mworld] :
! [X4: mworld] :
( ( mrel @ X2 @ X4 )
=> ( X0 @ X4 ) ) )
= mbox ),
file('/export/starexec/sandbox2/tmp/tmp.5ZcOXapnnU/DTF2THF_26639.p',mbox_def) ).
thf(f67,plain,
( mlocal
= ( ^ [Y0: mworld > $o] : ( Y0 @ mactual ) ) ),
inference(cnf_transformation,[status(thm)],[f26]) ).
thf(f26,plain,
( mlocal
= ( ^ [Y0: mworld > $o] : ( Y0 @ mactual ) ) ),
inference(fool_elimination,[status(thm)],[f1]) ).
thf(f1,axiom,
( mlocal
= ( ^ [X0: mworld > $o] : ( X0 @ mactual ) ) ),
file('/export/starexec/sandbox2/tmp/tmp.5ZcOXapnnU/DTF2THF_26639.p',mlocal_def) ).
thf(f65,plain,
( $true
!= ( mlocal
@ ( mbox
@ ( mexists_di
@ ^ [Y0: $i] : ( teach @ Y0 @ cs ) ) ) ) ),
inference(cnf_transformation,[status(thm)],[f47]) ).
thf(f47,plain,
( $true
!= ( mlocal
@ ( mbox
@ ( mexists_di
@ ^ [Y0: $i] : ( teach @ Y0 @ cs ) ) ) ) ),
inference(flattening,[status(thm)],[f38]) ).
thf(f38,plain,
( $true
!= ( mlocal
@ ( mbox
@ ( mexists_di
@ ^ [Y0: $i] : ( teach @ Y0 @ cs ) ) ) ) ),
inference(fool_elimination,[status(thm)],[f37]) ).
thf(f37,plain,
~ ( mlocal
@ ( mbox
@ ( mexists_di
@ ^ [X0: $i] : ( teach @ X0 @ cs ) ) ) ),
inference(rectify,[status(thm)],[f16]) ).
thf(f16,negated_conjecture,
~ ( mlocal
@ ( mbox
@ ( mexists_di
@ ^ [X5: $i] : ( teach @ X5 @ cs ) ) ) ),
inference(negated_conjecture,[status(cth)],[f15]) ).
thf(f15,conjecture,
( mlocal
@ ( mbox
@ ( mexists_di
@ ^ [X5: $i] : ( teach @ X5 @ cs ) ) ) ),
file('/export/starexec/sandbox2/tmp/tmp.5ZcOXapnnU/DTF2THF_26639.p',query) ).
thf(f100,plain,
( ( ( mrel @ mactual @ sK4 )
= $false )
| ~ spl2_1 ),
inference(avatar_component_clause,[status(thm)],[f98]) ).
thf(f98,definition,
( spl2_1
<=> ( ( mrel @ mactual @ sK4 )
= $false ) ),
introduced(definition,[new_symbols(naming,[spl2_1])],[avatar_definition]) ).
thf(f116,plain,
( spl2_1
| ~ spl2_2 ),
inference(avatar_split_clause,[status(thm)],[f111,f102,f98]) ).
thf(f102,definition,
( spl2_2
<=> ( ( eiw_di @ ( sK3 @ sK4 ) @ sK4 )
= $false ) ),
introduced(definition,[new_symbols(naming,[spl2_2])],[avatar_definition]) ).
thf(f111,plain,
( ( ( mrel @ mactual @ sK4 )
= $false )
| ~ spl2_2 ),
inference(trivial_inequality_removal,[status(thm)],[f107]) ).
thf(f107,plain,
( ( ( mrel @ mactual @ sK4 )
= $false )
| ( $true = $false )
| ~ spl2_2 ),
inference(superposition,[status(thm)],[f104,f82]) ).
thf(f82,plain,
! [X1: mworld] :
( ( $true
= ( eiw_di @ ( sK3 @ X1 ) @ X1 ) )
| ( ( mrel @ mactual @ X1 )
= $false ) ),
inference(binary_proxy_clausification,[status(thm)],[f80]) ).
thf(f80,plain,
! [X1: mworld] :
( ( ( mrel @ mactual @ X1 )
= $false )
| ( $true
= ( ( eiw_di @ ( sK3 @ X1 ) @ X1 )
& ( teach @ ( sK3 @ X1 ) @ cs @ X1 ) ) ) ),
inference(beta_eta_normalization,[status(thm)],[f79]) ).
thf(f79,plain,
! [X1: mworld] :
( ( ( mrel @ mactual @ X1 )
= $false )
| ( $true
= ( ^ [Y0: $i] :
( ( eiw_di @ Y0 @ X1 )
& ( teach @ Y0 @ cs @ X1 ) )
@ ( sK3 @ X1 ) ) ) ),
inference(sigma_clausification,[status(thm)],[f78]) ).
thf(f78,plain,
! [X1: mworld] :
( ( $true
= ( ?? @ $i
@ ^ [Y0: $i] :
( ( eiw_di @ Y0 @ X1 )
& ( teach @ Y0 @ cs @ X1 ) ) ) )
| ( ( mrel @ mactual @ X1 )
= $false ) ),
inference(binary_proxy_clausification,[status(thm)],[f75]) ).
thf(f75,plain,
! [X1: mworld] :
( ( ( mrel @ mactual @ X1 )
= $false )
| ( $true
= ( ( ?? @ $i
@ ^ [Y0: $i] :
( ( eiw_di @ Y0 @ X1 )
& ( teach @ Y0 @ cs @ X1 ) ) )
& ( teach @ mary @ psych @ X1 )
& ( teach @ sue @ psych @ X1 ) ) ) ),
inference(binary_proxy_clausification,[status(thm)],[f74]) ).
thf(f74,plain,
! [X1: mworld] :
( ( $true
= ( ( teach @ john @ math @ X1 )
& ( ?? @ $i
@ ^ [Y0: $i] :
( ( eiw_di @ Y0 @ X1 )
& ( teach @ Y0 @ cs @ X1 ) ) )
& ( teach @ mary @ psych @ X1 )
& ( teach @ sue @ psych @ X1 ) ) )
| ( ( mrel @ mactual @ X1 )
= $false ) ),
inference(binary_proxy_clausification,[status(thm)],[f73]) ).
thf(f73,plain,
! [X1: mworld] :
( ( ( mrel @ mactual @ X1 )
=> ( ( teach @ john @ math @ X1 )
& ( ?? @ $i
@ ^ [Y0: $i] :
( ( eiw_di @ Y0 @ X1 )
& ( teach @ Y0 @ cs @ X1 ) ) )
& ( teach @ mary @ psych @ X1 )
& ( teach @ sue @ psych @ X1 ) ) )
= $true ),
inference(beta_eta_normalization,[status(thm)],[f72]) ).
thf(f72,plain,
! [X1: mworld] :
( $true
= ( ^ [Y0: mworld] :
( ( mrel @ mactual @ Y0 )
=> ( ( teach @ john @ math @ Y0 )
& ( ?? @ $i
@ ^ [Y1: $i] :
( ( eiw_di @ Y1 @ Y0 )
& ( teach @ Y1 @ cs @ Y0 ) ) )
& ( teach @ mary @ psych @ Y0 )
& ( teach @ sue @ psych @ Y0 ) ) )
@ X1 ) ),
inference(pi_clausification,[status(thm)],[f71]) ).
thf(f71,plain,
( ( !! @ mworld
@ ^ [Y0: mworld] :
( ( mrel @ mactual @ Y0 )
=> ( ( teach @ john @ math @ Y0 )
& ( ?? @ $i
@ ^ [Y1: $i] :
( ( eiw_di @ Y1 @ Y0 )
& ( teach @ Y1 @ cs @ Y0 ) ) )
& ( teach @ mary @ psych @ Y0 )
& ( teach @ sue @ psych @ Y0 ) ) ) )
= $true ),
inference(beta_eta_normalization,[status(thm)],[f69]) ).
thf(f69,plain,
( $true
= ( ^ [Y0: mworld > $o] : ( Y0 @ mactual )
@ ( ^ [Y0: mworld > $o,Y1: mworld] :
( !! @ mworld
@ ^ [Y2: mworld] :
( ( mrel @ Y1 @ Y2 )
=> ( Y0 @ Y2 ) ) )
@ ( ^ [Y0: mworld > $o,Y1: mworld > $o,Y2: mworld] :
( ( Y0 @ Y2 )
& ( Y1 @ Y2 ) )
@ ( teach @ john @ math )
@ ( ^ [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] : ( teach @ Y0 @ cs ) )
@ ( ^ [Y0: mworld > $o,Y1: mworld > $o,Y2: mworld] :
( ( Y0 @ Y2 )
& ( Y1 @ Y2 ) )
@ ( teach @ mary @ psych )
@ ( teach @ sue @ psych ) ) ) ) ) ) ),
inference(definition_unfolding,[status(thm)],[f62,f67,f55,f60,f60,f68,f60]) ).
thf(f60,plain,
( mand
= ( ^ [Y0: mworld > $o,Y1: mworld > $o,Y2: mworld] :
( ( Y0 @ Y2 )
& ( Y1 @ Y2 ) ) ) ),
inference(cnf_transformation,[status(thm)],[f25]) ).
thf(f25,plain,
( mand
= ( ^ [Y0: mworld > $o,Y1: mworld > $o,Y2: mworld] :
( ( Y0 @ Y2 )
& ( Y1 @ Y2 ) ) ) ),
inference(fool_elimination,[status(thm)],[f24]) ).
thf(f24,plain,
( mand
= ( ^ [X0: mworld > $o,X1: mworld > $o,X2: mworld] :
( ( X1 @ X2 )
& ( X0 @ X2 ) ) ) ),
inference(rectify,[status(thm)],[f3]) ).
thf(f3,axiom,
( mand
= ( ^ [X1: mworld > $o,X3: mworld > $o,X2: mworld] :
( ( X3 @ X2 )
& ( X1 @ X2 ) ) ) ),
file('/export/starexec/sandbox2/tmp/tmp.5ZcOXapnnU/DTF2THF_26639.p',mand_def) ).
thf(f62,plain,
( ( mlocal
@ ( mbox
@ ( mand @ ( teach @ john @ math )
@ ( mand
@ ( mexists_di
@ ^ [Y0: $i] : ( teach @ Y0 @ cs ) )
@ ( mand @ ( teach @ mary @ psych ) @ ( teach @ sue @ psych ) ) ) ) ) )
= $true ),
inference(cnf_transformation,[status(thm)],[f46]) ).
thf(f46,plain,
( ( mlocal
@ ( mbox
@ ( mand @ ( teach @ john @ math )
@ ( mand
@ ( mexists_di
@ ^ [Y0: $i] : ( teach @ Y0 @ cs ) )
@ ( mand @ ( teach @ mary @ psych ) @ ( teach @ sue @ psych ) ) ) ) ) )
= $true ),
inference(fool_elimination,[status(thm)],[f45]) ).
thf(f45,plain,
( mlocal
@ ( mbox
@ ( mand @ ( teach @ john @ math )
@ ( mand
@ ( mexists_di
@ ^ [X0: $i] : ( teach @ X0 @ cs ) )
@ ( mand @ ( teach @ mary @ psych ) @ ( teach @ sue @ psych ) ) ) ) ) ),
inference(rectify,[status(thm)],[f14]) ).
thf(f14,axiom,
( mlocal
@ ( mbox
@ ( mand @ ( teach @ john @ math )
@ ( mand
@ ( mexists_di
@ ^ [X5: $i] : ( teach @ X5 @ cs ) )
@ ( mand @ ( teach @ mary @ psych ) @ ( teach @ sue @ psych ) ) ) ) ) ),
file('/export/starexec/sandbox2/tmp/tmp.5ZcOXapnnU/DTF2THF_26639.p',db) ).
thf(f104,plain,
( ( ( eiw_di @ ( sK3 @ sK4 ) @ sK4 )
= $false )
| ~ spl2_2 ),
inference(avatar_component_clause,[status(thm)],[f102]) ).
thf(f106,plain,
( spl2_1
| spl2_2 ),
inference(avatar_split_clause,[status(thm)],[f95,f102,f98]) ).
thf(f95,plain,
( ( ( eiw_di @ ( sK3 @ sK4 ) @ sK4 )
= $false )
| ( ( mrel @ mactual @ sK4 )
= $false ) ),
inference(trivial_inequality_removal,[status(thm)],[f93]) ).
thf(f93,plain,
( ( ( eiw_di @ ( sK3 @ sK4 ) @ sK4 )
= $false )
| ( ( mrel @ mactual @ sK4 )
= $false )
| ( $true = $false ) ),
inference(superposition,[status(thm)],[f81,f92]) ).
thf(f92,plain,
! [X1: $i] :
( ( ( teach @ X1 @ cs @ sK4 )
= $false )
| ( ( eiw_di @ X1 @ sK4 )
= $false ) ),
inference(binary_proxy_clausification,[status(thm)],[f91]) ).
thf(f91,plain,
! [X1: $i] :
( ( ( eiw_di @ X1 @ sK4 )
& ( teach @ X1 @ cs @ sK4 ) )
= $false ),
inference(beta_eta_normalization,[status(thm)],[f90]) ).
thf(f90,plain,
! [X1: $i] :
( ( ^ [Y0: $i] :
( ( eiw_di @ Y0 @ sK4 )
& ( teach @ Y0 @ cs @ sK4 ) )
@ X1 )
= $false ),
inference(pi_clausification,[status(thm)],[f88]) ).
thf(f88,plain,
( $false
= ( ?? @ $i
@ ^ [Y0: $i] :
( ( eiw_di @ Y0 @ sK4 )
& ( teach @ Y0 @ cs @ sK4 ) ) ) ),
inference(binary_proxy_clausification,[status(thm)],[f87]) ).
thf(f81,plain,
! [X1: mworld] :
( ( ( teach @ ( sK3 @ X1 ) @ cs @ X1 )
= $true )
| ( ( mrel @ mactual @ X1 )
= $false ) ),
inference(binary_proxy_clausification,[status(thm)],[f80]) ).
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.11/0.13 % Problem : DAT334^21 : TPTP v9.2.1. Released v8.1.0.
% 0.11/0.14 % Command : /export/starexec/sandbox2/solver/bin/run_DT2H2X /export/starexec/sandbox2/benchmark/theBenchmark.p 300
% 0.17/0.35 % Computer : n018.cluster.edu
% 0.17/0.35 % Model : x86_64 x86_64
% 0.17/0.35 % CPU : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.17/0.35 % Memory : 8042.1875MB
% 0.17/0.35 % OS : Linux 3.10.0-693.el7.x86_64
% 0.17/0.35 % CPULimit : 300
% 0.17/0.35 % WCLimit : 300
% 0.17/0.35 % DateTime : Tue Feb 24 06:15:01 EST 2026
% 0.20/0.35 % CPUTime :
% 0.20/0.35 Running /export/starexec/sandbox2/solver/bin/run_DT2H2X /export/starexec/sandbox2/benchmark/theBenchmark.p 300
% 0.28/0.47 ---- Original DTF file ---
% 0.28/0.47 thf(spec,logic,$$dhol).
% 0.28/0.47 %------------------------------------------------------------------------------
% 0.28/0.47 % File : DAT334^21 : TPTP v9.2.1. Released v8.1.0.
% 0.28/0.47 % Domain : Data Structures
% 0.28/0.47 % Problem : Database querying
% 0.28/0.47 % Version : [BP13] axioms.
% 0.28/0.47 % English :
% 0.28/0.47
% 0.28/0.47 % Refs : [Rei92] Reiter (1992), What Should a Database Know?
% 0.28/0.47 % : [RO12] Raths & Otten (2012), The QMLTP Problem Library for Fi
% 0.28/0.47 % : [BP13] Benzmueller & Paulson (2013), Quantified Multimodal Lo
% 0.28/0.47 % : [Ste22] Steen (2022), An Extensible Logic Embedding Tool for L
% 0.28/0.47 % Source : [TPTP]
% 0.28/0.47 % Names : APM009+1 [QMLTP]
% 0.28/0.47
% 0.28/0.47 % Status : Theorem
% 0.28/0.47 % Rating : 0.11 v9.1.0, 0.12 v9.0.0, 0.20 v8.2.0, 0.31 v8.1.0
% 0.28/0.47 % Syntax : Number of formulae : 36 ( 12 unt; 21 typ; 10 def)
% 0.28/0.47 % Number of atoms : 43 ( 10 equ; 0 cnn)
% 0.28/0.47 % Maximal formula atoms : 10 ( 2 avg)
% 0.28/0.47 % Number of connectives : 67 ( 1 ~; 1 |; 4 &; 56 @)
% 0.28/0.47 % ( 1 <=>; 4 =>; 0 <=; 0 <~>)
% 0.28/0.47 % Maximal formula depth : 10 ( 3 avg)
% 0.28/0.47 % Number of types : 3 ( 1 usr)
% 0.28/0.47 % Number of type conns : 62 ( 62 >; 0 *; 0 +; 0 <<)
% 0.28/0.47 % Number of symbols : 21 ( 20 usr; 7 con; 0-3 aty)
% 0.28/0.47 % Number of variables : 36 ( 25 ^; 7 !; 4 ?; 36 :)
% 0.28/0.47 % SPC : TH0_THM_EQU_NAR
% 0.28/0.47
% 0.28/0.47 % Comments : This output was generated by embedproblem, version 1.7.1 (library
% 0.28/0.47 % version 1.3). Generated on Thu Apr 28 13:18:18 EDT 2022 using
% 0.28/0.47 % 'modal' embedding, version 1.5.2. Logic specification used:
% 0.28/0.47 % $modal == [$constants == $rigid,$quantification == $decreasing,
% 0.28/0.47 % $modalities == $modal_system_D].
% 0.28/0.47 %------------------------------------------------------------------------------
% 0.28/0.47 thf(mworld,type,
% 0.28/0.47 mworld: $tType ).
% 0.28/0.47
% 0.28/0.47 thf(mrel_type,type,
% 0.28/0.47 mrel: mworld > mworld > $o ).
% 0.28/0.47
% 0.28/0.47 thf(mactual_type,type,
% 0.28/0.47 mactual: mworld ).
% 0.28/0.47
% 0.28/0.47 thf(mlocal_type,type,
% 0.28/0.47 mlocal: ( mworld > $o ) > $o ).
% 0.28/0.47
% 0.28/0.47 thf(mlocal_def,definition,
% 0.28/0.47 ( mlocal
% 0.28/0.47 = ( ^ [Phi: mworld > $o] : ( Phi @ mactual ) ) ) ).
% 0.28/0.47
% 0.28/0.47 thf(mnot_type,type,
% 0.28/0.47 mnot: ( mworld > $o ) > mworld > $o ).
% 0.28/0.47
% 0.28/0.47 thf(mand_type,type,
% 0.28/0.47 mand: ( mworld > $o ) > ( mworld > $o ) > mworld > $o ).
% 0.28/0.47
% 0.28/0.47 thf(mor_type,type,
% 0.28/0.47 mor: ( mworld > $o ) > ( mworld > $o ) > mworld > $o ).
% 0.28/0.47
% 0.28/0.47 thf(mimplies_type,type,
% 0.28/0.47 mimplies: ( mworld > $o ) > ( mworld > $o ) > mworld > $o ).
% 0.28/0.47
% 0.28/0.47 thf(mequiv_type,type,
% 0.28/0.47 mequiv: ( mworld > $o ) > ( mworld > $o ) > mworld > $o ).
% 0.28/0.47
% 0.28/0.47 thf(mnot_def,definition,
% 0.28/0.47 ( mnot
% 0.28/0.47 = ( ^ [A: mworld > $o,W: mworld] :
% 0.28/0.47 ~ ( A @ W ) ) ) ).
% 0.28/0.47
% 0.28/0.47 thf(mand_def,definition,
% 0.28/0.47 ( mand
% 0.28/0.47 = ( ^ [A: mworld > $o,B: mworld > $o,W: mworld] :
% 0.28/0.47 ( ( A @ W )
% 0.28/0.47 & ( B @ W ) ) ) ) ).
% 0.28/0.47
% 0.28/0.47 thf(mor_def,definition,
% 0.28/0.47 ( mor
% 0.28/0.47 = ( ^ [A: mworld > $o,B: mworld > $o,W: mworld] :
% 0.28/0.47 ( ( A @ W )
% 0.28/0.47 | ( B @ W ) ) ) ) ).
% 0.28/0.47
% 0.28/0.47 thf(mimplies_def,definition,
% 0.28/0.47 ( mimplies
% 0.28/0.47 = ( ^ [A: mworld > $o,B: mworld > $o,W: mworld] :
% 0.28/0.47 ( ( A @ W )
% 0.28/0.47 => ( B @ W ) ) ) ) ).
% 0.28/0.47
% 0.28/0.47 thf(mequiv_def,definition,
% 0.28/0.47 ( mequiv
% 0.28/0.47 = ( ^ [A: mworld > $o,B: mworld > $o,W: mworld] :
% 0.28/0.47 ( ( A @ W )
% 0.28/0.47 <=> ( B @ W ) ) ) ) ).
% 0.28/0.47
% 0.28/0.47 thf(mbox_type,type,
% 0.28/0.47 mbox: ( mworld > $o ) > mworld > $o ).
% 0.28/0.47
% 0.28/0.47 thf(mbox_def,definition,
% 0.28/0.47 ( mbox
% 0.28/0.47 = ( ^ [Phi: mworld > $o,W: mworld] :
% 0.28/0.47 ! [V: mworld] :
% 0.28/0.47 ( ( mrel @ W @ V )
% 0.28/0.47 => ( Phi @ V ) ) ) ) ).
% 0.28/0.47
% 0.28/0.47 thf(mdia_type,type,
% 0.28/0.47 mdia: ( mworld > $o ) > mworld > $o ).
% 0.28/0.47
% 0.28/0.47 thf(mdia_def,definition,
% 0.28/0.47 ( mdia
% 0.28/0.47 = ( ^ [Phi: mworld > $o,W: mworld] :
% 0.28/0.47 ? [V: mworld] :
% 0.28/0.47 ( ( mrel @ W @ V )
% 0.28/0.47 & ( Phi @ V ) ) ) ) ).
% 0.28/0.47
% 0.28/0.47 thf(mrel_serial,axiom,
% 0.28/0.47 ! [W: mworld] :
% 0.28/0.47 ? [V: mworld] : ( mrel @ W @ V ) ).
% 0.28/0.47
% 0.28/0.47 thf(eiw_di_type,type,
% 0.28/0.47 eiw_di: $i > mworld > $o ).
% 0.28/0.47
% 0.28/0.47 thf(eiw_di_nonempty,axiom,
% 0.28/0.47 ! [W: mworld] :
% 0.28/0.47 ? [X: $i] : ( eiw_di @ X @ W ) ).
% 0.28/0.47
% 0.28/0.47 thf(eiw_di_decr,axiom,
% 0.28/0.47 ! [W: mworld,V: mworld,X: $i] :
% 0.28/0.47 ( ( ( eiw_di @ X @ W )
% 0.28/0.47 & ( mrel @ V @ W ) )
% 0.28/0.47 => ( eiw_di @ X @ V ) ) ).
% 0.28/0.47
% 0.28/0.47 thf(mforall_di_type,type,
% 0.28/0.47 mforall_di: ( $i > mworld > $o ) > mworld > $o ).
% 0.28/0.47
% 0.28/0.47 thf(mforall_di_def,definition,
% 0.28/0.47 ( mforall_di
% 0.28/0.47 = ( ^ [A: $i > mworld > $o,W: mworld] :
% 0.28/0.47 ! [X: $i] :
% 0.28/0.47 ( ( eiw_di @ X @ W )
% 0.28/0.47 => ( A @ X @ W ) ) ) ) ).
% 0.28/0.47
% 0.28/0.47 thf(mexists_di_type,type,
% 0.28/0.47 mexists_di: ( $i > mworld > $o ) > mworld > $o ).
% 0.28/0.47
% 0.28/0.47 thf(mexists_di_def,definition,
% 0.28/0.47 ( mexists_di
% 0.28/0.47 = ( ^ [A: $i > mworld > $o,W: mworld] :
% 0.28/0.47 ? [X: $i] :
% 0.28/0.47 ( ( eiw_di @ X @ W )
% 0.28/0.47 & ( A @ X @ W ) ) ) ) ).
% 0.28/0.47
% 0.28/0.47 thf(cs_decl,type,
% 0.28/0.47 cs: $i ).
% 0.28/0.47
% 0.28/0.47 thf(sue_decl,type,
% 0.28/0.47 sue: $i ).
% 0.28/0.47
% 0.28/0.47 thf(mary_decl,type,
% 0.28/0.47 mary: $i ).
% 0.28/0.47
% 0.28/0.47 thf(john_decl,type,
% 0.28/0.47 john: $i ).
% 0.28/0.47
% 0.28/0.47 thf(math_decl,type,
% 0.28/0.47 math: $i ).
% 0.28/0.47
% 0.28/0.47 thf(psych_decl,type,
% 0.28/0.47 psych: $i ).
% 0.28/0.47
% 0.28/0.47 thf(teach_decl,type,
% 0.28/0.47 teach: $i > $i > mworld > $o ).
% 0.28/0.47
% 0.28/0.47 thf(db,axiom,
% 0.28/0.47 ( mlocal
% 0.28/0.47 @ ( mbox
% 0.28/0.47 @ ( mand @ ( teach @ john @ math )
% 0.28/0.47 @ ( mand
% 0.28/0.47 @ ( mexists_di
% 0.28/0.47 @ ^ [X: $i] : ( teach @ X @ cs ) )
% 0.28/0.47 @ ( mand @ ( teach @ mary @ psych ) @ ( teach @ sue @ psych ) ) ) ) ) ) ).
% 0.28/0.47
% 0.28/0.47 thf(query,conjecture,
% 0.28/0.47 ( mlocal
% 0.28/0.47 @ ( mbox
% 0.28/0.47 @ ( mexists_di
% 0.28/0.47 @ ^ [X: $i] : ( teach @ X @ cs ) ) ) ) ).
% 0.28/0.47
% 0.28/0.47 %------------------------------------------------------------------------------
% 0.28/0.47 ------------------------
% 1.70/1.33 ---- Embedded in THF ---
% 1.70/1.33 %%% This output was generated by embedproblem, version 1.9.5 (library version 1.9).
% 1.70/1.33 %%% Generated on Tue Feb 24 06:15:02 EST 2026
% 1.70/1.33 %%% using '$$dhol' embedding, version 1.3.0.
% 1.70/1.33 %%% Logic specification used:
% 1.70/1.33 %%% thf(spec, logic, $$dhol).
% 1.70/1.33
% 1.70/1.33 % SZS output start ListOfTHF for /export/starexec/sandbox2/tmp/tmp.5ZcOXapnnU/DTF2DTF26639.p
% See solution above
% 1.70/1.33 ------------------------
% 1.70/1.34 ---- Cleaned THF ---
% 1.70/1.34 thf(mworld,type,
% 1.70/1.34 mworld: $tType ).
% 1.70/1.34
% 1.70/1.34 thf(mrel_type,type,
% 1.70/1.34 mrel: mworld > mworld > $o ).
% 1.70/1.34
% 1.70/1.34 thf(mactual_type,type,
% 1.70/1.34 mactual: mworld ).
% 1.70/1.34
% 1.70/1.34 thf(mlocal_type,type,
% 1.70/1.34 mlocal: ( mworld > $o ) > $o ).
% 1.70/1.34
% 1.70/1.34 thf(mlocal_def,definition,
% 1.70/1.34 ( mlocal
% 1.70/1.34 = ( ^ [Phi: mworld > $o] : ( Phi @ mactual ) ) ) ).
% 1.70/1.34
% 1.70/1.34 thf(mnot_type,type,
% 1.70/1.34 mnot: ( mworld > $o ) > mworld > $o ).
% 1.70/1.34
% 1.70/1.34 thf(mand_type,type,
% 1.70/1.34 mand: ( mworld > $o ) > ( mworld > $o ) > mworld > $o ).
% 1.70/1.34
% 1.70/1.34 thf(mor_type,type,
% 1.70/1.34 mor: ( mworld > $o ) > ( mworld > $o ) > mworld > $o ).
% 1.70/1.34
% 1.70/1.34 thf(mimplies_type,type,
% 1.70/1.34 mimplies: ( mworld > $o ) > ( mworld > $o ) > mworld > $o ).
% 1.70/1.34
% 1.70/1.34 thf(mequiv_type,type,
% 1.70/1.34 mequiv: ( mworld > $o ) > ( mworld > $o ) > mworld > $o ).
% 1.70/1.34
% 1.70/1.34 thf(mnot_def,definition,
% 1.70/1.34 ( mnot
% 1.70/1.34 = ( ^ [A: mworld > $o,W: mworld] :
% 1.70/1.34 ~ ( A @ W ) ) ) ).
% 1.70/1.34
% 1.70/1.34 thf(mand_def,definition,
% 1.70/1.34 ( mand
% 1.70/1.34 = ( ^ [A: mworld > $o,B: mworld > $o,W: mworld] :
% 1.70/1.34 ( ( A @ W )
% 1.70/1.34 & ( B @ W ) ) ) ) ).
% 1.70/1.34
% 1.70/1.34 thf(mor_def,definition,
% 1.70/1.34 ( mor
% 1.70/1.34 = ( ^ [A: mworld > $o,B: mworld > $o,W: mworld] :
% 1.70/1.34 ( ( A @ W )
% 1.70/1.34 | ( B @ W ) ) ) ) ).
% 1.70/1.34
% 1.70/1.34 thf(mimplies_def,definition,
% 1.70/1.34 ( mimplies
% 1.70/1.34 = ( ^ [A: mworld > $o,B: mworld > $o,W: mworld] :
% 1.70/1.34 ( ( A @ W )
% 1.70/1.34 => ( B @ W ) ) ) ) ).
% 1.70/1.34
% 1.70/1.34 thf(mequiv_def,definition,
% 1.70/1.34 ( mequiv
% 1.70/1.34 = ( ^ [A: mworld > $o,B: mworld > $o,W: mworld] :
% 1.70/1.34 ( ( A @ W )
% 1.70/1.34 <=> ( B @ W ) ) ) ) ).
% 1.70/1.34
% 1.70/1.34 thf(mbox_type,type,
% 1.70/1.34 mbox: ( mworld > $o ) > mworld > $o ).
% 1.70/1.34
% 1.70/1.34 thf(mbox_def,definition,
% 1.70/1.34 ( mbox
% 1.70/1.34 = ( ^ [Phi: mworld > $o,W: mworld] :
% 1.70/1.34 ! [V: mworld] :
% 1.70/1.34 ( ( mrel @ W @ V )
% 1.70/1.34 => ( Phi @ V ) ) ) ) ).
% 1.70/1.34
% 1.70/1.34 thf(mdia_type,type,
% 1.70/1.34 mdia: ( mworld > $o ) > mworld > $o ).
% 1.70/1.34
% 1.70/1.34 thf(mdia_def,definition,
% 1.70/1.34 ( mdia
% 1.70/1.34 = ( ^ [Phi: mworld > $o,W: mworld] :
% 1.70/1.34 ? [V: mworld] :
% 1.70/1.34 ( ( mrel @ W @ V )
% 1.70/1.34 & ( Phi @ V ) ) ) ) ).
% 1.70/1.34
% 1.70/1.34 thf(mrel_serial,axiom,
% 1.70/1.34 ! [W: mworld] :
% 1.70/1.34 ? [V: mworld] : ( mrel @ W @ V ) ).
% 1.70/1.34
% 1.70/1.34 thf(eiw_di_type,type,
% 1.70/1.34 eiw_di: $i > mworld > $o ).
% 1.70/1.34
% 1.70/1.34 thf(eiw_di_nonempty,axiom,
% 1.70/1.34 ! [W: mworld] :
% 1.70/1.34 ? [X: $i] : ( eiw_di @ X @ W ) ).
% 1.70/1.34
% 1.70/1.34 thf(eiw_di_decr,axiom,
% 1.70/1.34 ! [W: mworld,V: mworld,X: $i] :
% 1.70/1.34 ( ( ( eiw_di @ X @ W )
% 1.70/1.34 & ( mrel @ V @ W ) )
% 1.70/1.34 => ( eiw_di @ X @ V ) ) ).
% 1.70/1.34
% 1.70/1.34 thf(mforall_di_type,type,
% 1.70/1.34 mforall_di: ( $i > mworld > $o ) > mworld > $o ).
% 1.70/1.34
% 1.70/1.34 thf(mforall_di_def,definition,
% 1.70/1.34 ( mforall_di
% 1.70/1.34 = ( ^ [A: $i > mworld > $o,W: mworld] :
% 1.70/1.34 ! [X: $i] :
% 1.70/1.34 ( ( eiw_di @ X @ W )
% 1.70/1.34 => ( A @ X @ W ) ) ) ) ).
% 1.70/1.34
% 1.70/1.34 thf(mexists_di_type,type,
% 1.70/1.34 mexists_di: ( $i > mworld > $o ) > mworld > $o ).
% 1.70/1.34
% 1.70/1.34 thf(mexists_di_def,definition,
% 1.70/1.34 ( mexists_di
% 1.70/1.34 = ( ^ [A: $i > mworld > $o,W: mworld] :
% 1.70/1.34 ? [X: $i] :
% 1.70/1.34 ( ( eiw_di @ X @ W )
% 1.70/1.34 & ( A @ X @ W ) ) ) ) ).
% 1.70/1.34
% 1.70/1.34 thf(cs_decl,type,
% 1.70/1.34 cs: $i ).
% 1.70/1.34
% 1.70/1.34 thf(sue_decl,type,
% 1.70/1.34 sue: $i ).
% 1.70/1.34
% 1.70/1.34 thf(mary_decl,type,
% 1.70/1.34 mary: $i ).
% 1.70/1.34
% 1.70/1.34 thf(john_decl,type,
% 1.70/1.34 john: $i ).
% 1.70/1.34
% 1.70/1.34 thf(math_decl,type,
% 1.70/1.34 math: $i ).
% 1.70/1.34
% 1.70/1.34 thf(psych_decl,type,
% 1.70/1.34 psych: $i ).
% 1.70/1.34
% 1.70/1.34 thf(teach_decl,type,
% 1.70/1.34 teach: $i > $i > mworld > $o ).
% 1.70/1.34
% 1.70/1.34 thf(db,axiom,
% 1.70/1.34 ( mlocal
% 1.70/1.34 @ ( mbox
% 1.70/1.34 @ ( mand @ ( teach @ john @ math )
% 1.70/1.34 @ ( mand
% 1.70/1.34 @ ( mexists_di
% 1.70/1.34 @ ^ [X: $i] : ( teach @ X @ cs ) )
% 1.70/1.34 @ ( mand @ ( teach @ mary @ psych ) @ ( teach @ sue @ psych ) ) ) ) ) ) ).
% 1.70/1.34
% 1.70/1.34 thf(query,conjecture,
% 1.70/1.34 ( mlocal
% 1.70/1.34 @ ( mbox
% 1.70/1.34 @ ( mexists_di
% 1.70/1.34 @ ^ [X: $i] : ( teach @ X @ cs ) ) ) ) ).
% 1.70/1.34 ------------------------
% 1.70/1.35 % (26910)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_26639 for (2999ds/4Mi)
% 1.70/1.35 % (26910)Instruction limit reached!
% 1.70/1.35 % (26910)------------------------------
% 1.70/1.35 % (26910)Version: Vampire 4.8 (commit 7b44b1c2f on 2025-07-15 09:50:17 +0100)
% 1.70/1.35 % (26910)Termination reason: Unknown
% 1.70/1.35 % (26910)Termination phase: Saturation
% 1.70/1.35
% 1.70/1.35 % (26910)Memory used [KB]: 5500
% 1.70/1.35 % (26910)Time elapsed: 0.003 s
% 1.70/1.35 % (26910)Instructions burned: 5 (million)
% 1.70/1.35 % (26910)------------------------------
% 1.70/1.35 % (26910)------------------------------
% 1.70/1.36 % (26909)lrs+1002_1:8_bd=off:fd=off:hud=10:tnu=1:i=183:si=on:rtra=on_0 on DTF2THF_26639 for (2999ds/183Mi)
% 1.70/1.36 % (26912)lrs+10_1:1_au=on:inj=on:i=2:si=on:rtra=on_0 on DTF2THF_26639 for (2999ds/2Mi)
% 1.70/1.36 % (26911)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_26639 for (2999ds/27Mi)
% 1.70/1.36 % (26913)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_26639 for (2999ds/2Mi)
% 1.70/1.36 % (26914)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_26639 for (2999ds/275Mi)
% 1.70/1.36 % (26915)lrs+1004_1:128_cond=on:e2e=on:sp=weighted_frequency:i=18:si=on:rtra=on_0 on DTF2THF_26639 for (2999ds/18Mi)
% 1.70/1.36 % (26912)Instruction limit reached!
% 1.70/1.36 % (26912)------------------------------
% 1.70/1.36 % (26912)Version: Vampire 4.8 (commit 7b44b1c2f on 2025-07-15 09:50:17 +0100)
% 1.70/1.36 % (26912)Termination reason: Unknown
% 1.70/1.36 % (26912)Termination phase: shuffling
% 1.70/1.36
% 1.70/1.36 % (26912)Memory used [KB]: 1023
% 1.70/1.36 % (26912)Time elapsed: 0.003 s
% 1.70/1.36 % (26912)Instructions burned: 2 (million)
% 1.70/1.36 % (26912)------------------------------
% 1.70/1.36 % (26912)------------------------------
% 1.70/1.36 % (26913)Instruction limit reached!
% 1.70/1.36 % (26913)------------------------------
% 1.70/1.36 % (26913)Version: Vampire 4.8 (commit 7b44b1c2f on 2025-07-15 09:50:17 +0100)
% 1.70/1.36 % (26913)Termination reason: Unknown
% 1.70/1.36 % (26913)Termination phase: shuffling
% 1.70/1.36
% 1.70/1.36 % (26913)Memory used [KB]: 1023
% 1.70/1.36 % (26913)Time elapsed: 0.003 s
% 1.70/1.36 % (26913)Instructions burned: 2 (million)
% 1.70/1.36 % (26913)------------------------------
% 1.70/1.36 % (26913)------------------------------
% 1.70/1.36 % (26914)Refutation not found, incomplete strategy
% 1.70/1.36 % (26914)------------------------------
% 1.70/1.36 % (26914)Version: Vampire 4.8 (commit 7b44b1c2f on 2025-07-15 09:50:17 +0100)
% 1.70/1.36 % (26914)Termination reason: Refutation not found, incomplete strategy
% 1.70/1.36
% 1.70/1.36
% 1.70/1.36 % (26914)Memory used [KB]: 5500
% 1.70/1.36 % (26914)Time elapsed: 0.004 s
% 1.70/1.36 % (26914)Instructions burned: 3 (million)
% 1.70/1.36 % (26914)------------------------------
% 1.70/1.36 % (26914)------------------------------
% 1.70/1.36 % (26916)lrs+10_1:1_bet=on:cnfonf=off:fd=off:hud=5:inj=on:i=3:si=on:rtra=on_0 on DTF2THF_26639 for (2999ds/3Mi)
% 1.70/1.36 % (26916)Instruction limit reached!
% 1.70/1.36 % (26916)------------------------------
% 1.70/1.36 % (26916)Version: Vampire 4.8 (commit 7b44b1c2f on 2025-07-15 09:50:17 +0100)
% 1.70/1.36 % (26916)Termination reason: Unknown
% 1.70/1.36 % (26916)Termination phase: Property scanning
% 1.70/1.36
% 1.70/1.36 % (26916)Memory used [KB]: 1023
% 1.70/1.36 % (26916)Time elapsed: 0.002 s
% 1.70/1.36 % (26916)Instructions burned: 3 (million)
% 1.70/1.36 % (26916)------------------------------
% 1.70/1.36 % (26916)------------------------------
% 1.70/1.36 % (26909)First to succeed.
% 1.70/1.37 % (26915)Also succeeded, but the first one will report.
% 1.70/1.37 % (26909)Refutation found. Thanks to Tanya!
% 1.70/1.37 % SZS status Theorem for DTF2THF_26639
% 1.70/1.37 % SZS output start Proof for DTF2THF_26639
% 1.70/1.37 thf(type_def_5, type, mworld: $tType).
% 1.70/1.37 thf(func_def_0, type, mworld: $tType).
% 1.70/1.37 thf(func_def_1, type, mrel: mworld > mworld > $o).
% 1.70/1.37 thf(func_def_2, type, mactual: mworld).
% 1.70/1.37 thf(func_def_3, type, mlocal: (mworld > $o) > $o).
% 1.70/1.37 thf(func_def_5, type, mnot: (mworld > $o) > mworld > $o).
% 1.70/1.37 thf(func_def_6, type, mand: (mworld > $o) > (mworld > $o) > mworld > $o).
% 1.70/1.37 thf(func_def_7, type, mor: (mworld > $o) > (mworld > $o) > mworld > $o).
% 1.70/1.37 thf(func_def_8, type, mimplies: (mworld > $o) > (mworld > $o) > mworld > $o).
% 1.70/1.37 thf(func_def_9, type, mequiv: (mworld > $o) > (mworld > $o) > mworld > $o).
% 1.70/1.37 thf(func_def_10, type, mbox: (mworld > $o) > mworld > $o).
% 1.70/1.37 thf(func_def_11, type, mdia: (mworld > $o) > mworld > $o).
% 1.70/1.37 thf(func_def_12, type, eiw_di: $i > mworld > $o).
% 1.70/1.37 thf(func_def_13, type, mforall_di: ($i > mworld > $o) > mworld > $o).
% 1.70/1.37 thf(func_def_14, type, mexists_di: ($i > mworld > $o) > mworld > $o).
% 1.70/1.37 thf(func_def_21, type, teach: $i > $i > mworld > $o).
% 1.70/1.37 thf(func_def_35, type, sK0: mworld > $i).
% 1.70/1.37 thf(func_def_36, type, sK1: mworld > mworld).
% 1.70/1.37 thf(func_def_38, type, sK3: mworld > $i).
% 1.70/1.37 thf(func_def_39, type, sK4: mworld).
% 1.70/1.37 thf(f123,plain,(
% 1.70/1.37 $false),
% 1.70/1.37 inference(avatar_sat_refutation,[status(thm)],[f106,f116,f122])).
% 1.70/1.37 thf(f122,plain,(
% 1.70/1.37 ~spl2_1),
% 1.70/1.37 inference(avatar_contradiction_clause,[status(thm)],[f121])).
% 1.70/1.37 thf(f121,plain,(
% 1.70/1.37 $false | ~spl2_1),
% 1.70/1.37 inference(trivial_inequality_removal,[status(thm)],[f117])).
% 1.70/1.37 thf(f117,plain,(
% 1.70/1.37 ($true = $false) | ~spl2_1),
% 1.70/1.37 inference(superposition,[status(thm)],[f100,f89])).
% 1.70/1.37 thf(f89,plain,(
% 1.70/1.37 ((mrel @ mactual @ sK4) = $true)),
% 1.70/1.37 inference(binary_proxy_clausification,[status(thm)],[f87])).
% 1.70/1.37 thf(f87,plain,(
% 1.70/1.37 ($false = ((mrel @ mactual @ sK4) => (?? @ $i @ (^[Y0 : $i]: ((eiw_di @ Y0 @ sK4) & (teach @ Y0 @ cs @ sK4))))))),
% 1.70/1.37 inference(beta_eta_normalization,[status(thm)],[f86])).
% 1.70/1.37 thf(f86,plain,(
% 1.70/1.37 ($false = ((^[Y0 : mworld]: ((mrel @ mactual @ Y0) => (?? @ $i @ (^[Y1 : $i]: ((eiw_di @ Y1 @ Y0) & (teach @ Y1 @ cs @ Y0)))))) @ sK4))),
% 1.70/1.37 inference(sigma_clausification,[status(thm)],[f85])).
% 1.70/1.37 thf(f85,plain,(
% 1.70/1.37 ($true != (!! @ mworld @ (^[Y0 : mworld]: ((mrel @ mactual @ Y0) => (?? @ $i @ (^[Y1 : $i]: ((eiw_di @ Y1 @ Y0) & (teach @ Y1 @ cs @ Y0))))))))),
% 1.70/1.37 inference(beta_eta_normalization,[status(thm)],[f70])).
% 1.70/1.37 thf(f70,plain,(
% 1.70/1.37 (((^[Y0 : mworld > $o]: (Y0 @ mactual)) @ ((^[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]: (teach @ Y0 @ cs))))) != $true)),
% 1.70/1.37 inference(definition_unfolding,[status(thm)],[f65,f67,f55,f68])).
% 1.70/1.37 thf(f68,plain,(
% 1.70/1.37 (mexists_di = (^[Y0 : $i > mworld > $o]: ((^[Y1 : mworld]: (?? @ $i @ (^[Y2 : $i]: ((eiw_di @ Y2 @ Y1) & (Y0 @ Y2 @ Y1))))))))),
% 1.70/1.37 inference(cnf_transformation,[status(thm)],[f34])).
% 1.70/1.37 thf(f34,plain,(
% 1.70/1.37 (mexists_di = (^[Y0 : $i > mworld > $o]: ((^[Y1 : mworld]: (?? @ $i @ (^[Y2 : $i]: ((eiw_di @ Y2 @ Y1) & (Y0 @ Y2 @ Y1))))))))),
% 1.70/1.37 inference(fool_elimination,[status(thm)],[f33])).
% 1.70/1.37 thf(f33,plain,(
% 1.70/1.37 ((^[X0 : $i > mworld > $o, X1 : mworld] : (? [X2 : $i] : ((X0 @ X2 @ X1) & (eiw_di @ X2 @ X1)))) = mexists_di)),
% 1.70/1.37 inference(rectify,[status(thm)],[f13])).
% 1.70/1.37 thf(f13,axiom,(
% 1.70/1.37 ((^[X1 : $i > mworld > $o, X2 : mworld] : (? [X5 : $i] : ((X1 @ X5 @ X2) & (eiw_di @ X5 @ X2)))) = mexists_di)),
% 1.70/1.37 file('/export/starexec/sandbox2/tmp/tmp.5ZcOXapnnU/DTF2THF_26639.p',mexists_di_def)).
% 1.70/1.37 thf(f55,plain,(
% 1.70/1.37 (mbox = (^[Y0 : mworld > $o]: ((^[Y1 : mworld]: (!! @ mworld @ (^[Y2 : mworld]: ((mrel @ Y1 @ Y2) => (Y0 @ Y2))))))))),
% 1.70/1.37 inference(cnf_transformation,[status(thm)],[f30])).
% 1.70/1.37 thf(f30,plain,(
% 1.70/1.37 (mbox = (^[Y0 : mworld > $o]: ((^[Y1 : mworld]: (!! @ mworld @ (^[Y2 : mworld]: ((mrel @ Y1 @ Y2) => (Y0 @ Y2))))))))),
% 1.70/1.37 inference(fool_elimination,[status(thm)],[f29])).
% 1.70/1.37 thf(f29,plain,(
% 1.70/1.37 ((^[X0 : mworld > $o, X1 : mworld] : (! [X2 : mworld] : ((mrel @ X1 @ X2) => (X0 @ X2)))) = mbox)),
% 1.70/1.37 inference(rectify,[status(thm)],[f7])).
% 1.70/1.37 thf(f7,axiom,(
% 1.70/1.37 ((^[X0 : mworld > $o, X2 : mworld] : (! [X4 : mworld] : ((mrel @ X2 @ X4) => (X0 @ X4)))) = mbox)),
% 1.70/1.37 file('/export/starexec/sandbox2/tmp/tmp.5ZcOXapnnU/DTF2THF_26639.p',mbox_def)).
% 1.70/1.37 thf(f67,plain,(
% 1.70/1.37 (mlocal = (^[Y0 : mworld > $o]: (Y0 @ mactual)))),
% 1.70/1.37 inference(cnf_transformation,[status(thm)],[f26])).
% 1.70/1.37 thf(f26,plain,(
% 1.70/1.37 (mlocal = (^[Y0 : mworld > $o]: (Y0 @ mactual)))),
% 1.70/1.37 inference(fool_elimination,[status(thm)],[f1])).
% 1.70/1.37 thf(f1,axiom,(
% 1.70/1.37 (mlocal = (^[X0 : mworld > $o] : (X0 @ mactual)))),
% 1.70/1.37 file('/export/starexec/sandbox2/tmp/tmp.5ZcOXapnnU/DTF2THF_26639.p',mlocal_def)).
% 1.70/1.37 thf(f65,plain,(
% 1.70/1.37 ($true != (mlocal @ (mbox @ (mexists_di @ (^[Y0 : $i]: (teach @ Y0 @ cs))))))),
% 1.70/1.37 inference(cnf_transformation,[status(thm)],[f47])).
% 1.70/1.37 thf(f47,plain,(
% 1.70/1.37 ($true != (mlocal @ (mbox @ (mexists_di @ (^[Y0 : $i]: (teach @ Y0 @ cs))))))),
% 1.70/1.37 inference(flattening,[status(thm)],[f38])).
% 1.70/1.37 thf(f38,plain,(
% 1.70/1.37 ~($true = (mlocal @ (mbox @ (mexists_di @ (^[Y0 : $i]: (teach @ Y0 @ cs))))))),
% 1.70/1.37 inference(fool_elimination,[status(thm)],[f37])).
% 1.70/1.37 thf(f37,plain,(
% 1.70/1.37 ~(mlocal @ (mbox @ (mexists_di @ (^[X0 : $i] : (teach @ X0 @ cs)))))),
% 1.70/1.37 inference(rectify,[status(thm)],[f16])).
% 1.70/1.37 thf(f16,negated_conjecture,(
% 1.70/1.37 ~(mlocal @ (mbox @ (mexists_di @ (^[X5 : $i] : (teach @ X5 @ cs)))))),
% 1.70/1.37 inference(negated_conjecture,[status(cth)],[f15])).
% 1.70/1.37 thf(f15,conjecture,(
% 1.70/1.37 (mlocal @ (mbox @ (mexists_di @ (^[X5 : $i] : (teach @ X5 @ cs)))))),
% 1.70/1.37 file('/export/starexec/sandbox2/tmp/tmp.5ZcOXapnnU/DTF2THF_26639.p',query)).
% 1.70/1.37 thf(f100,plain,(
% 1.70/1.37 ((mrel @ mactual @ sK4) = $false) | ~spl2_1),
% 1.70/1.37 inference(avatar_component_clause,[status(thm)],[f98])).
% 1.70/1.37 thf(f98,definition,(
% 1.70/1.37 spl2_1 <=> ((mrel @ mactual @ sK4) = $false)),
% 1.70/1.37 introduced(definition,[new_symbols(naming,[spl2_1])],[avatar_definition])).
% 1.70/1.37 thf(f116,plain,(
% 1.70/1.37 spl2_1 | ~spl2_2),
% 1.70/1.37 inference(avatar_split_clause,[status(thm)],[f111,f102,f98])).
% 1.70/1.37 thf(f102,definition,(
% 1.70/1.37 spl2_2 <=> ((eiw_di @ (sK3 @ sK4) @ sK4) = $false)),
% 1.70/1.37 introduced(definition,[new_symbols(naming,[spl2_2])],[avatar_definition])).
% 1.70/1.37 thf(f111,plain,(
% 1.70/1.37 ((mrel @ mactual @ sK4) = $false) | ~spl2_2),
% 1.70/1.37 inference(trivial_inequality_removal,[status(thm)],[f107])).
% 1.70/1.37 thf(f107,plain,(
% 1.70/1.37 ((mrel @ mactual @ sK4) = $false) | ($true = $false) | ~spl2_2),
% 1.70/1.37 inference(superposition,[status(thm)],[f104,f82])).
% 1.70/1.37 thf(f82,plain,(
% 1.70/1.37 ( ! [X1 : mworld] : (($true = (eiw_di @ (sK3 @ X1) @ X1)) | ((mrel @ mactual @ X1) = $false)) )),
% 1.70/1.37 inference(binary_proxy_clausification,[status(thm)],[f80])).
% 1.70/1.37 thf(f80,plain,(
% 1.70/1.37 ( ! [X1 : mworld] : (((mrel @ mactual @ X1) = $false) | ($true = ((eiw_di @ (sK3 @ X1) @ X1) & (teach @ (sK3 @ X1) @ cs @ X1)))) )),
% 1.70/1.37 inference(beta_eta_normalization,[status(thm)],[f79])).
% 1.70/1.37 thf(f79,plain,(
% 1.70/1.37 ( ! [X1 : mworld] : (((mrel @ mactual @ X1) = $false) | ($true = ((^[Y0 : $i]: ((eiw_di @ Y0 @ X1) & (teach @ Y0 @ cs @ X1))) @ (sK3 @ X1)))) )),
% 1.70/1.37 inference(sigma_clausification,[status(thm)],[f78])).
% 1.70/1.37 thf(f78,plain,(
% 1.70/1.37 ( ! [X1 : mworld] : (($true = (?? @ $i @ (^[Y0 : $i]: ((eiw_di @ Y0 @ X1) & (teach @ Y0 @ cs @ X1))))) | ((mrel @ mactual @ X1) = $false)) )),
% 1.70/1.37 inference(binary_proxy_clausification,[status(thm)],[f75])).
% 1.70/1.37 thf(f75,plain,(
% 1.70/1.37 ( ! [X1 : mworld] : (((mrel @ mactual @ X1) = $false) | ($true = ((?? @ $i @ (^[Y0 : $i]: ((eiw_di @ Y0 @ X1) & (teach @ Y0 @ cs @ X1)))) & ((teach @ mary @ psych @ X1) & (teach @ sue @ psych @ X1))))) )),
% 1.70/1.37 inference(binary_proxy_clausification,[status(thm)],[f74])).
% 1.70/1.37 thf(f74,plain,(
% 1.70/1.37 ( ! [X1 : mworld] : (($true = ((teach @ john @ math @ X1) & ((?? @ $i @ (^[Y0 : $i]: ((eiw_di @ Y0 @ X1) & (teach @ Y0 @ cs @ X1)))) & ((teach @ mary @ psych @ X1) & (teach @ sue @ psych @ X1))))) | ((mrel @ mactual @ X1) = $false)) )),
% 1.70/1.37 inference(binary_proxy_clausification,[status(thm)],[f73])).
% 1.70/1.37 thf(f73,plain,(
% 1.70/1.37 ( ! [X1 : mworld] : ((((mrel @ mactual @ X1) => ((teach @ john @ math @ X1) & ((?? @ $i @ (^[Y0 : $i]: ((eiw_di @ Y0 @ X1) & (teach @ Y0 @ cs @ X1)))) & ((teach @ mary @ psych @ X1) & (teach @ sue @ psych @ X1))))) = $true)) )),
% 1.70/1.37 inference(beta_eta_normalization,[status(thm)],[f72])).
% 1.70/1.37 thf(f72,plain,(
% 1.70/1.37 ( ! [X1 : mworld] : (($true = ((^[Y0 : mworld]: ((mrel @ mactual @ Y0) => ((teach @ john @ math @ Y0) & ((?? @ $i @ (^[Y1 : $i]: ((eiw_di @ Y1 @ Y0) & (teach @ Y1 @ cs @ Y0)))) & ((teach @ mary @ psych @ Y0) & (teach @ sue @ psych @ Y0)))))) @ X1))) )),
% 1.70/1.37 inference(pi_clausification,[status(thm)],[f71])).
% 1.70/1.37 thf(f71,plain,(
% 1.70/1.37 ((!! @ mworld @ (^[Y0 : mworld]: ((mrel @ mactual @ Y0) => ((teach @ john @ math @ Y0) & ((?? @ $i @ (^[Y1 : $i]: ((eiw_di @ Y1 @ Y0) & (teach @ Y1 @ cs @ Y0)))) & ((teach @ mary @ psych @ Y0) & (teach @ sue @ psych @ Y0))))))) = $true)),
% 1.70/1.37 inference(beta_eta_normalization,[status(thm)],[f69])).
% 1.70/1.37 thf(f69,plain,(
% 1.70/1.37 ($true = ((^[Y0 : mworld > $o]: (Y0 @ mactual)) @ ((^[Y0 : mworld > $o]: ((^[Y1 : mworld]: (!! @ mworld @ (^[Y2 : mworld]: ((mrel @ Y1 @ Y2) => (Y0 @ Y2))))))) @ ((^[Y0 : mworld > $o]: ((^[Y1 : mworld > $o]: ((^[Y2 : mworld]: ((Y0 @ Y2) & (Y1 @ Y2))))))) @ (teach @ john @ math) @ ((^[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]: (teach @ Y0 @ cs))) @ ((^[Y0 : mworld > $o]: ((^[Y1 : mworld > $o]: ((^[Y2 : mworld]: ((Y0 @ Y2) & (Y1 @ Y2))))))) @ (teach @ mary @ psych) @ (teach @ sue @ psych)))))))),
% 1.70/1.37 inference(definition_unfolding,[status(thm)],[f62,f67,f55,f60,f60,f68,f60])).
% 1.70/1.37 thf(f60,plain,(
% 1.70/1.37 (mand = (^[Y0 : mworld > $o]: ((^[Y1 : mworld > $o]: ((^[Y2 : mworld]: ((Y0 @ Y2) & (Y1 @ Y2))))))))),
% 1.70/1.37 inference(cnf_transformation,[status(thm)],[f25])).
% 1.70/1.37 thf(f25,plain,(
% 1.70/1.37 (mand = (^[Y0 : mworld > $o]: ((^[Y1 : mworld > $o]: ((^[Y2 : mworld]: ((Y0 @ Y2) & (Y1 @ Y2))))))))),
% 1.70/1.37 inference(fool_elimination,[status(thm)],[f24])).
% 1.70/1.37 thf(f24,plain,(
% 1.70/1.37 (mand = (^[X0 : mworld > $o, X1 : mworld > $o, X2 : mworld] : ((X1 @ X2) & (X0 @ X2))))),
% 1.70/1.37 inference(rectify,[status(thm)],[f3])).
% 1.70/1.37 thf(f3,axiom,(
% 1.70/1.37 (mand = (^[X1 : mworld > $o, X3 : mworld > $o, X2 : mworld] : ((X3 @ X2) & (X1 @ X2))))),
% 1.70/1.37 file('/export/starexec/sandbox2/tmp/tmp.5ZcOXapnnU/DTF2THF_26639.p',mand_def)).
% 1.70/1.37 thf(f62,plain,(
% 1.70/1.37 ((mlocal @ (mbox @ (mand @ (teach @ john @ math) @ (mand @ (mexists_di @ (^[Y0 : $i]: (teach @ Y0 @ cs))) @ (mand @ (teach @ mary @ psych) @ (teach @ sue @ psych)))))) = $true)),
% 1.70/1.37 inference(cnf_transformation,[status(thm)],[f46])).
% 1.70/1.37 thf(f46,plain,(
% 1.70/1.37 ((mlocal @ (mbox @ (mand @ (teach @ john @ math) @ (mand @ (mexists_di @ (^[Y0 : $i]: (teach @ Y0 @ cs))) @ (mand @ (teach @ mary @ psych) @ (teach @ sue @ psych)))))) = $true)),
% 1.70/1.37 inference(fool_elimination,[status(thm)],[f45])).
% 1.70/1.37 thf(f45,plain,(
% 1.70/1.37 (mlocal @ (mbox @ (mand @ (teach @ john @ math) @ (mand @ (mexists_di @ (^[X0 : $i] : (teach @ X0 @ cs))) @ (mand @ (teach @ mary @ psych) @ (teach @ sue @ psych))))))),
% 1.70/1.37 inference(rectify,[status(thm)],[f14])).
% 1.70/1.37 thf(f14,axiom,(
% 1.70/1.37 (mlocal @ (mbox @ (mand @ (teach @ john @ math) @ (mand @ (mexists_di @ (^[X5 : $i] : (teach @ X5 @ cs))) @ (mand @ (teach @ mary @ psych) @ (teach @ sue @ psych))))))),
% 1.70/1.37 file('/export/starexec/sandbox2/tmp/tmp.5ZcOXapnnU/DTF2THF_26639.p',db)).
% 1.70/1.37 thf(f104,plain,(
% 1.70/1.37 ((eiw_di @ (sK3 @ sK4) @ sK4) = $false) | ~spl2_2),
% 1.70/1.37 inference(avatar_component_clause,[status(thm)],[f102])).
% 1.70/1.37 thf(f106,plain,(
% 1.70/1.37 spl2_1 | spl2_2),
% 1.70/1.37 inference(avatar_split_clause,[status(thm)],[f95,f102,f98])).
% 1.70/1.37 thf(f95,plain,(
% 1.70/1.37 ((eiw_di @ (sK3 @ sK4) @ sK4) = $false) | ((mrel @ mactual @ sK4) = $false)),
% 1.70/1.37 inference(trivial_inequality_removal,[status(thm)],[f93])).
% 1.70/1.37 thf(f93,plain,(
% 1.70/1.37 ((eiw_di @ (sK3 @ sK4) @ sK4) = $false) | ((mrel @ mactual @ sK4) = $false) | ($true = $false)),
% 1.70/1.37 inference(superposition,[status(thm)],[f81,f92])).
% 1.70/1.37 thf(f92,plain,(
% 1.70/1.37 ( ! [X1 : $i] : (((teach @ X1 @ cs @ sK4) = $false) | ((eiw_di @ X1 @ sK4) = $false)) )),
% 1.70/1.37 inference(binary_proxy_clausification,[status(thm)],[f91])).
% 1.70/1.37 thf(f91,plain,(
% 1.70/1.37 ( ! [X1 : $i] : ((((eiw_di @ X1 @ sK4) & (teach @ X1 @ cs @ sK4)) = $false)) )),
% 1.70/1.37 inference(beta_eta_normalization,[status(thm)],[f90])).
% 1.70/1.37 thf(f90,plain,(
% 1.70/1.37 ( ! [X1 : $i] : ((((^[Y0 : $i]: ((eiw_di @ Y0 @ sK4) & (teach @ Y0 @ cs @ sK4))) @ X1) = $false)) )),
% 1.70/1.37 inference(pi_clausification,[status(thm)],[f88])).
% 1.70/1.37 thf(f88,plain,(
% 1.70/1.37 ($false = (?? @ $i @ (^[Y0 : $i]: ((eiw_di @ Y0 @ sK4) & (teach @ Y0 @ cs @ sK4)))))),
% 1.70/1.37 inference(binary_proxy_clausification,[status(thm)],[f87])).
% 1.70/1.37 thf(f81,plain,(
% 1.70/1.37 ( ! [X1 : mworld] : (((teach @ (sK3 @ X1) @ cs @ X1) = $true) | ((mrel @ mactual @ X1) = $false)) )),
% 1.70/1.37 inference(binary_proxy_clausification,[status(thm)],[f80])).
% 1.70/1.37 % SZS output end Proof for DTF2THF_26639
% 1.70/1.37 % (26909)------------------------------
% 1.70/1.37 % (26909)Version: Vampire 4.8 (commit 7b44b1c2f on 2025-07-15 09:50:17 +0100)
% 1.70/1.37 % (26909)Termination reason: Refutation
% 1.70/1.37
% 1.70/1.37 % (26909)Memory used [KB]: 5628
% 1.70/1.37 % (26909)Time elapsed: 0.011 s
% 1.70/1.37 % (26909)Instructions burned: 10 (million)
% 1.70/1.37 % (26909)------------------------------
% 1.70/1.37 % (26909)------------------------------
% 1.70/1.37 % (26908)Success in time 0.025 s
%------------------------------------------------------------------------------