TSTP Solution File: PUZ086^1 by Lash---1.13
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%------------------------------------------------------------------------------
% File : Lash---1.13
% Problem : PUZ086^1 : TPTP v8.1.2. Released v4.0.0.
% Transfm : none
% Format : tptp:raw
% Command : lash -P picomus -M modes -p tstp -t %d %s
% Computer : n019.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 : Thu Aug 31 13:21:49 EDT 2023
% Result : Theorem 0.19s 0.50s
% Output : Proof 0.19s
% Verified :
% SZS Type : Refutation
% Derivation depth : 4
% Number of leaves : 144
% Syntax : Number of formulae : 153 ( 45 unt; 10 typ; 35 def)
% Number of atoms : 412 ( 40 equ; 4 cnn)
% Maximal formula atoms : 7 ( 2 avg)
% Number of connectives : 628 ( 95 ~; 64 |; 8 &; 316 @)
% ( 50 <=>; 95 =>; 0 <=; 0 <~>)
% Maximal formula depth : 12 ( 4 avg)
% Number of types : 2 ( 0 usr)
% Number of type conns : 65 ( 65 >; 0 *; 0 +; 0 <<)
% Number of symbols : 97 ( 93 usr; 91 con; 0-2 aty)
% Number of variables : 159 ( 69 ^; 84 !; 6 ?; 159 :)
% Comments :
%------------------------------------------------------------------------------
thf(ty_eigen__4,type,
eigen__4: $i ).
thf(ty_eigen__0,type,
eigen__0: $i ).
thf(ty_eigen__3,type,
eigen__3: $i ).
thf(ty_eigen__2,type,
eigen__2: $i ).
thf(ty_place,type,
place: $i > $o ).
thf(ty_peter,type,
peter: $i > $i > $o ).
thf(ty_john,type,
john: $i > $i > $o ).
thf(ty_appointment,type,
appointment: $i > $o ).
thf(ty_eigen__1,type,
eigen__1: $i ).
thf(ty_time,type,
time: $i > $o ).
thf(h0,assumption,
! [X1: $i > $o,X2: $i] :
( ( X1 @ X2 )
=> ( X1 @ ( eps__0 @ X1 ) ) ),
introduced(assumption,[]) ).
thf(eigendef_eigen__3,definition,
( eigen__3
= ( eps__0
@ ^ [X1: $i] :
~ ( ( john @ eigen__1 @ X1 )
=> ( appointment @ X1 ) ) ) ),
introduced(definition,[new_symbols(definition,[eigen__3])]) ).
thf(eigendef_eigen__1,definition,
( eigen__1
= ( eps__0
@ ^ [X1: $i] :
~ ( ( peter @ eigen__0 @ X1 )
=> ! [X2: $i] :
( ( john @ X1 @ X2 )
=> ( appointment @ X2 ) ) ) ) ),
introduced(definition,[new_symbols(definition,[eigen__1])]) ).
thf(eigendef_eigen__2,definition,
( eigen__2
= ( eps__0
@ ^ [X1: $i] :
~ ( ( john @ eigen__0 @ X1 )
=> ! [X2: $i] :
( ( peter @ X1 @ X2 )
=> ( appointment @ X2 ) ) ) ) ),
introduced(definition,[new_symbols(definition,[eigen__2])]) ).
thf(eigendef_eigen__4,definition,
( eigen__4
= ( eps__0
@ ^ [X1: $i] :
~ ( ( peter @ eigen__2 @ X1 )
=> ( appointment @ X1 ) ) ) ),
introduced(definition,[new_symbols(definition,[eigen__4])]) ).
thf(sP1,plain,
( sP1
<=> ! [X1: $i] : ( john @ X1 @ X1 ) ),
introduced(definition,[new_symbols(definition,[sP1])]) ).
thf(sP2,plain,
( sP2
<=> ( john @ eigen__4 @ eigen__4 ) ),
introduced(definition,[new_symbols(definition,[sP2])]) ).
thf(sP3,plain,
( sP3
<=> ! [X1: $i] :
( ( peter @ eigen__4 @ X1 )
=> ( time @ X1 ) ) ),
introduced(definition,[new_symbols(definition,[sP3])]) ).
thf(sP4,plain,
( sP4
<=> ! [X1: $i,X2: $i] :
( ( peter @ X1 @ X2 )
=> ! [X3: $i] :
( ( john @ X2 @ X3 )
=> ( place @ X3 ) ) ) ),
introduced(definition,[new_symbols(definition,[sP4])]) ).
thf(sP5,plain,
( sP5
<=> ( ( john @ eigen__3 @ eigen__3 )
=> ( place @ eigen__3 ) ) ),
introduced(definition,[new_symbols(definition,[sP5])]) ).
thf(sP6,plain,
( sP6
<=> ( time @ eigen__4 ) ),
introduced(definition,[new_symbols(definition,[sP6])]) ).
thf(sP7,plain,
( sP7
<=> ( ( john @ eigen__1 @ eigen__3 )
=> ( ~ ( ( place @ eigen__3 )
=> ~ ( time @ eigen__3 ) )
=> ( appointment @ eigen__3 ) ) ) ),
introduced(definition,[new_symbols(definition,[sP7])]) ).
thf(sP8,plain,
( sP8
<=> ( ( peter @ eigen__4 @ eigen__4 )
=> ! [X1: $i] :
( ( john @ eigen__4 @ X1 )
=> ( place @ X1 ) ) ) ),
introduced(definition,[new_symbols(definition,[sP8])]) ).
thf(sP9,plain,
( sP9
<=> ( peter @ eigen__1 @ eigen__1 ) ),
introduced(definition,[new_symbols(definition,[sP9])]) ).
thf(sP10,plain,
( sP10
<=> ! [X1: $i] :
( ( peter @ eigen__3 @ X1 )
=> ( time @ X1 ) ) ),
introduced(definition,[new_symbols(definition,[sP10])]) ).
thf(sP11,plain,
( sP11
<=> ( ( john @ eigen__1 @ eigen__3 )
=> ( appointment @ eigen__3 ) ) ),
introduced(definition,[new_symbols(definition,[sP11])]) ).
thf(sP12,plain,
( sP12
<=> ! [X1: $i] :
( ( john @ eigen__3 @ X1 )
=> ( place @ X1 ) ) ),
introduced(definition,[new_symbols(definition,[sP12])]) ).
thf(sP13,plain,
( sP13
<=> ( peter @ eigen__4 @ eigen__4 ) ),
introduced(definition,[new_symbols(definition,[sP13])]) ).
thf(sP14,plain,
( sP14
<=> ( appointment @ eigen__4 ) ),
introduced(definition,[new_symbols(definition,[sP14])]) ).
thf(sP15,plain,
( sP15
<=> ( sP2
=> ( ~ ( ( place @ eigen__4 )
=> ~ sP6 )
=> sP14 ) ) ),
introduced(definition,[new_symbols(definition,[sP15])]) ).
thf(sP16,plain,
( sP16
<=> ( ( place @ eigen__4 )
=> ~ sP6 ) ),
introduced(definition,[new_symbols(definition,[sP16])]) ).
thf(sP17,plain,
( sP17
<=> ! [X1: $i] :
( ( peter @ eigen__4 @ X1 )
=> ! [X2: $i] :
( ( john @ X1 @ X2 )
=> ( ~ ( ( place @ X2 )
=> ~ ( time @ X2 ) )
=> ( appointment @ X2 ) ) ) ) ),
introduced(definition,[new_symbols(definition,[sP17])]) ).
thf(sP18,plain,
( sP18
<=> ! [X1: $i] :
( ( john @ eigen__1 @ X1 )
=> ( ~ ( ( place @ X1 )
=> ~ ( time @ X1 ) )
=> ( appointment @ X1 ) ) ) ),
introduced(definition,[new_symbols(definition,[sP18])]) ).
thf(sP19,plain,
( sP19
<=> ( ( john @ eigen__0 @ eigen__2 )
=> ! [X1: $i] :
( ( peter @ eigen__2 @ X1 )
=> ( appointment @ X1 ) ) ) ),
introduced(definition,[new_symbols(definition,[sP19])]) ).
thf(sP20,plain,
( sP20
<=> ! [X1: $i] :
( ( john @ eigen__1 @ X1 )
=> ( appointment @ X1 ) ) ),
introduced(definition,[new_symbols(definition,[sP20])]) ).
thf(sP21,plain,
( sP21
<=> ( ( peter @ eigen__3 @ eigen__3 )
=> ( time @ eigen__3 ) ) ),
introduced(definition,[new_symbols(definition,[sP21])]) ).
thf(sP22,plain,
( sP22
<=> ( ! [X1: $i] :
( ( peter @ eigen__0 @ X1 )
=> ! [X2: $i] :
( ( john @ X1 @ X2 )
=> ( appointment @ X2 ) ) )
=> ~ ! [X1: $i] :
( ( john @ eigen__0 @ X1 )
=> ! [X2: $i] :
( ( peter @ X1 @ X2 )
=> ( appointment @ X2 ) ) ) ) ),
introduced(definition,[new_symbols(definition,[sP22])]) ).
thf(sP23,plain,
( sP23
<=> ! [X1: $i,X2: $i] :
( ( peter @ X1 @ X2 )
=> ( time @ X2 ) ) ),
introduced(definition,[new_symbols(definition,[sP23])]) ).
thf(sP24,plain,
( sP24
<=> ! [X1: $i] :
( ( john @ eigen__4 @ X1 )
=> ( ~ ( ( place @ X1 )
=> ~ ( time @ X1 ) )
=> ( appointment @ X1 ) ) ) ),
introduced(definition,[new_symbols(definition,[sP24])]) ).
thf(sP25,plain,
( sP25
<=> ! [X1: $i] :
( ( peter @ eigen__1 @ X1 )
=> ! [X2: $i] :
( ( john @ X1 @ X2 )
=> ( ~ ( ( place @ X2 )
=> ~ ( time @ X2 ) )
=> ( appointment @ X2 ) ) ) ) ),
introduced(definition,[new_symbols(definition,[sP25])]) ).
thf(sP26,plain,
( sP26
<=> ( time @ eigen__3 ) ),
introduced(definition,[new_symbols(definition,[sP26])]) ).
thf(sP27,plain,
( sP27
<=> ! [X1: $i] :
( ( peter @ eigen__4 @ X1 )
=> ! [X2: $i] :
( ( john @ X1 @ X2 )
=> ( place @ X2 ) ) ) ),
introduced(definition,[new_symbols(definition,[sP27])]) ).
thf(sP28,plain,
( sP28
<=> ( sP9
=> sP18 ) ),
introduced(definition,[new_symbols(definition,[sP28])]) ).
thf(sP29,plain,
( sP29
<=> ( ( peter @ eigen__3 @ eigen__3 )
=> sP12 ) ),
introduced(definition,[new_symbols(definition,[sP29])]) ).
thf(sP30,plain,
( sP30
<=> ( ~ ( ( place @ eigen__3 )
=> ~ sP26 )
=> ( appointment @ eigen__3 ) ) ),
introduced(definition,[new_symbols(definition,[sP30])]) ).
thf(sP31,plain,
( sP31
<=> ! [X1: $i] :
( ( peter @ eigen__2 @ X1 )
=> ( appointment @ X1 ) ) ),
introduced(definition,[new_symbols(definition,[sP31])]) ).
thf(sP32,plain,
( sP32
<=> ( ( peter @ eigen__0 @ eigen__1 )
=> sP20 ) ),
introduced(definition,[new_symbols(definition,[sP32])]) ).
thf(sP33,plain,
( sP33
<=> ( john @ eigen__1 @ eigen__3 ) ),
introduced(definition,[new_symbols(definition,[sP33])]) ).
thf(sP34,plain,
( sP34
<=> ( john @ eigen__3 @ eigen__3 ) ),
introduced(definition,[new_symbols(definition,[sP34])]) ).
thf(sP35,plain,
( sP35
<=> ( place @ eigen__3 ) ),
introduced(definition,[new_symbols(definition,[sP35])]) ).
thf(sP36,plain,
( sP36
<=> ( ( peter @ eigen__2 @ eigen__4 )
=> sP14 ) ),
introduced(definition,[new_symbols(definition,[sP36])]) ).
thf(sP37,plain,
( sP37
<=> ! [X1: $i] : ( peter @ X1 @ X1 ) ),
introduced(definition,[new_symbols(definition,[sP37])]) ).
thf(sP38,plain,
( sP38
<=> ! [X1: $i] :
( ( john @ eigen__4 @ X1 )
=> ( place @ X1 ) ) ),
introduced(definition,[new_symbols(definition,[sP38])]) ).
thf(sP39,plain,
( sP39
<=> ( sP2
=> ( place @ eigen__4 ) ) ),
introduced(definition,[new_symbols(definition,[sP39])]) ).
thf(sP40,plain,
( sP40
<=> ! [X1: $i,X2: $i] :
( ( peter @ X1 @ X2 )
=> ! [X3: $i] :
( ( john @ X2 @ X3 )
=> ( ~ ( ( place @ X3 )
=> ~ ( time @ X3 ) )
=> ( appointment @ X3 ) ) ) ) ),
introduced(definition,[new_symbols(definition,[sP40])]) ).
thf(sP41,plain,
( sP41
<=> ( sP35
=> ~ sP26 ) ),
introduced(definition,[new_symbols(definition,[sP41])]) ).
thf(sP42,plain,
( sP42
<=> ( sP13
=> sP24 ) ),
introduced(definition,[new_symbols(definition,[sP42])]) ).
thf(sP43,plain,
( sP43
<=> ( ~ sP16
=> sP14 ) ),
introduced(definition,[new_symbols(definition,[sP43])]) ).
thf(sP44,plain,
( sP44
<=> ( peter @ eigen__3 @ eigen__3 ) ),
introduced(definition,[new_symbols(definition,[sP44])]) ).
thf(sP45,plain,
( sP45
<=> ! [X1: $i] :
( ( john @ eigen__0 @ X1 )
=> ! [X2: $i] :
( ( peter @ X1 @ X2 )
=> ( appointment @ X2 ) ) ) ),
introduced(definition,[new_symbols(definition,[sP45])]) ).
thf(sP46,plain,
( sP46
<=> ! [X1: $i] :
( ( peter @ eigen__3 @ X1 )
=> ! [X2: $i] :
( ( john @ X1 @ X2 )
=> ( place @ X2 ) ) ) ),
introduced(definition,[new_symbols(definition,[sP46])]) ).
thf(sP47,plain,
( sP47
<=> ! [X1: $i] :
( ( peter @ eigen__0 @ X1 )
=> ! [X2: $i] :
( ( john @ X1 @ X2 )
=> ( appointment @ X2 ) ) ) ),
introduced(definition,[new_symbols(definition,[sP47])]) ).
thf(sP48,plain,
( sP48
<=> ( place @ eigen__4 ) ),
introduced(definition,[new_symbols(definition,[sP48])]) ).
thf(sP49,plain,
( sP49
<=> ( appointment @ eigen__3 ) ),
introduced(definition,[new_symbols(definition,[sP49])]) ).
thf(sP50,plain,
( sP50
<=> ( sP13
=> sP6 ) ),
introduced(definition,[new_symbols(definition,[sP50])]) ).
thf(def_meq_ind,definition,
( meq_ind
= ( ^ [X1: mu,X2: mu,X3: $i] : ( X1 = X2 ) ) ) ).
thf(def_meq_prop,definition,
( meq_prop
= ( ^ [X1: $i > $o,X2: $i > $o,X3: $i] :
( ( X1 @ X3 )
= ( X2 @ X3 ) ) ) ) ).
thf(def_mnot,definition,
( mnot
= ( ^ [X1: $i > $o,X2: $i] : ( (~) @ ( X1 @ X2 ) ) ) ) ).
thf(def_mor,definition,
( mor
= ( ^ [X1: $i > $o,X2: $i > $o,X3: $i] :
( ( X1 @ X3 )
| ( X2 @ X3 ) ) ) ) ).
thf(def_mand,definition,
( mand
= ( ^ [X1: $i > $o,X2: $i > $o] : ( mnot @ ( mor @ ( mnot @ X1 ) @ ( mnot @ X2 ) ) ) ) ) ).
thf(def_mimplies,definition,
( mimplies
= ( ^ [X1: $i > $o,X2: $i > $o] : ( mor @ ( mnot @ X1 ) @ X2 ) ) ) ).
thf(def_mimplied,definition,
( mimplied
= ( ^ [X1: $i > $o,X2: $i > $o] : ( mor @ ( mnot @ X2 ) @ X1 ) ) ) ).
thf(def_mequiv,definition,
( mequiv
= ( ^ [X1: $i > $o,X2: $i > $o] : ( mand @ ( mimplies @ X1 @ X2 ) @ ( mimplies @ X2 @ X1 ) ) ) ) ).
thf(def_mxor,definition,
( mxor
= ( ^ [X1: $i > $o,X2: $i > $o] : ( mnot @ ( mequiv @ X1 @ X2 ) ) ) ) ).
thf(def_mforall_ind,definition,
( mforall_ind
= ( ^ [X1: mu > $i > $o,X2: $i] :
! [X3: mu] : ( X1 @ X3 @ X2 ) ) ) ).
thf(def_mforall_prop,definition,
( mforall_prop
= ( ^ [X1: ( $i > $o ) > $i > $o,X2: $i] :
! [X3: $i > $o] : ( X1 @ X3 @ X2 ) ) ) ).
thf(def_mexists_ind,definition,
( mexists_ind
= ( ^ [X1: mu > $i > $o] :
( mnot
@ ( mforall_ind
@ ^ [X2: mu] : ( mnot @ ( X1 @ X2 ) ) ) ) ) ) ).
thf(def_mexists_prop,definition,
( mexists_prop
= ( ^ [X1: ( $i > $o ) > $i > $o] :
( mnot
@ ( mforall_prop
@ ^ [X2: $i > $o] : ( mnot @ ( X1 @ X2 ) ) ) ) ) ) ).
thf(def_mtrue,definition,
( mtrue
= ( ^ [X1: $i] : $true ) ) ).
thf(def_mfalse,definition,
( mfalse
= ( mnot @ mtrue ) ) ).
thf(def_mbox,definition,
( mbox
= ( ^ [X1: $i > $i > $o,X2: $i > $o,X3: $i] :
! [X4: $i] :
( ( (~) @ ( X1 @ X3 @ X4 ) )
| ( X2 @ X4 ) ) ) ) ).
thf(def_mdia,definition,
( mdia
= ( ^ [X1: $i > $i > $o,X2: $i > $o] : ( mnot @ ( mbox @ X1 @ ( mnot @ X2 ) ) ) ) ) ).
thf(def_mreflexive,definition,
( mreflexive
= ( ^ [X1: $i > $i > $o] :
! [X2: $i] : ( X1 @ X2 @ X2 ) ) ) ).
thf(def_msymmetric,definition,
( msymmetric
= ( ^ [X1: $i > $i > $o] :
! [X2: $i,X3: $i] :
( ^ [X4: $o,X5: $o] :
( X4
=> X5 )
@ ( X1 @ X2 @ X3 )
@ ( X1 @ X3 @ X2 ) ) ) ) ).
thf(def_mserial,definition,
( mserial
= ( ^ [X1: $i > $i > $o] :
! [X2: $i] :
? [X3: $i] : ( X1 @ X2 @ X3 ) ) ) ).
thf(def_mtransitive,definition,
( mtransitive
= ( ^ [X1: $i > $i > $o] :
! [X2: $i,X3: $i,X4: $i] :
( ^ [X5: $o,X6: $o] :
( X5
=> X6 )
@ ( ( X1 @ X2 @ X3 )
& ( X1 @ X3 @ X4 ) )
@ ( X1 @ X2 @ X4 ) ) ) ) ).
thf(def_meuclidean,definition,
( meuclidean
= ( ^ [X1: $i > $i > $o] :
! [X2: $i,X3: $i,X4: $i] :
( ^ [X5: $o,X6: $o] :
( X5
=> X6 )
@ ( ( X1 @ X2 @ X3 )
& ( X1 @ X2 @ X4 ) )
@ ( X1 @ X3 @ X4 ) ) ) ) ).
thf(def_mpartially_functional,definition,
( mpartially_functional
= ( ^ [X1: $i > $i > $o] :
! [X2: $i,X3: $i,X4: $i] :
( ^ [X5: $o,X6: $o] :
( X5
=> X6 )
@ ( ( X1 @ X2 @ X3 )
& ( X1 @ X2 @ X4 ) )
@ ( X3 = X4 ) ) ) ) ).
thf(def_mfunctional,definition,
( mfunctional
= ( ^ [X1: $i > $i > $o] :
! [X2: $i] :
? [X3: $i] :
( ( X1 @ X2 @ X3 )
& ! [X4: $i] :
( ^ [X5: $o,X6: $o] :
( X5
=> X6 )
@ ( X1 @ X2 @ X4 )
@ ( X3 = X4 ) ) ) ) ) ).
thf(def_mweakly_dense,definition,
( mweakly_dense
= ( ^ [X1: $i > $i > $o] :
! [X2: $i,X3: $i,X4: $i] :
( ^ [X5: $o,X6: $o] :
( X5
=> X6 )
@ ( X1 @ X2 @ X3 )
@ ? [X5: $i] :
( ( X1 @ X2 @ X5 )
& ( X1 @ X5 @ X3 ) ) ) ) ) ).
thf(def_mweakly_connected,definition,
( mweakly_connected
= ( ^ [X1: $i > $i > $o] :
! [X2: $i,X3: $i,X4: $i] :
( ^ [X5: $o,X6: $o] :
( X5
=> X6 )
@ ( ( X1 @ X2 @ X3 )
& ( X1 @ X2 @ X4 ) )
@ ( ( X1 @ X3 @ X4 )
| ( X3 = X4 )
| ( X1 @ X4 @ X3 ) ) ) ) ) ).
thf(def_mweakly_directed,definition,
( mweakly_directed
= ( ^ [X1: $i > $i > $o] :
! [X2: $i,X3: $i,X4: $i] :
( ^ [X5: $o,X6: $o] :
( X5
=> X6 )
@ ( ( X1 @ X2 @ X3 )
& ( X1 @ X2 @ X4 ) )
@ ? [X5: $i] :
( ( X1 @ X3 @ X5 )
& ( X1 @ X4 @ X5 ) ) ) ) ) ).
thf(def_mvalid,definition,
( mvalid
= ( ^ [X1: $i > $o] :
! [X2: $i] : ( X1 @ X2 ) ) ) ).
thf(def_minvalid,definition,
( minvalid
= ( ^ [X1: $i > $o] :
! [X2: $i] : ( (~) @ ( X1 @ X2 ) ) ) ) ).
thf(def_msatisfiable,definition,
( msatisfiable
= ( ^ [X1: $i > $o] :
? [X2: $i] : ( X1 @ X2 ) ) ) ).
thf(def_mcountersatisfiable,definition,
( mcountersatisfiable
= ( ^ [X1: $i > $o] :
? [X2: $i] : ( (~) @ ( X1 @ X2 ) ) ) ) ).
thf(conj,conjecture,
! [X1: $i] :
~ ( ! [X2: $i] :
( ( peter @ X1 @ X2 )
=> ! [X3: $i] :
( ( john @ X2 @ X3 )
=> ( appointment @ X3 ) ) )
=> ~ ! [X2: $i] :
( ( john @ X1 @ X2 )
=> ! [X3: $i] :
( ( peter @ X2 @ X3 )
=> ( appointment @ X3 ) ) ) ) ).
thf(h1,negated_conjecture,
~ ! [X1: $i] :
~ ( ! [X2: $i] :
( ( peter @ X1 @ X2 )
=> ! [X3: $i] :
( ( john @ X2 @ X3 )
=> ( appointment @ X3 ) ) )
=> ~ ! [X2: $i] :
( ( john @ X1 @ X2 )
=> ! [X3: $i] :
( ( peter @ X2 @ X3 )
=> ( appointment @ X3 ) ) ) ),
inference(assume_negation,[status(cth)],[conj]) ).
thf(h2,assumption,
sP22,
introduced(assumption,[]) ).
thf(1,plain,
( ~ sP41
| ~ sP35
| ~ sP26 ),
inference(prop_rule,[status(thm)],]) ).
thf(2,plain,
( ~ sP30
| sP41
| sP49 ),
inference(prop_rule,[status(thm)],]) ).
thf(3,plain,
( ~ sP7
| ~ sP33
| sP30 ),
inference(prop_rule,[status(thm)],]) ).
thf(4,plain,
( ~ sP5
| ~ sP34
| sP35 ),
inference(prop_rule,[status(thm)],]) ).
thf(5,plain,
( ~ sP21
| ~ sP44
| sP26 ),
inference(prop_rule,[status(thm)],]) ).
thf(6,plain,
( ~ sP29
| ~ sP44
| sP12 ),
inference(prop_rule,[status(thm)],]) ).
thf(7,plain,
( ~ sP12
| sP5 ),
inference(all_rule,[status(thm)],]) ).
thf(8,plain,
( ~ sP10
| sP21 ),
inference(all_rule,[status(thm)],]) ).
thf(9,plain,
( ~ sP46
| sP29 ),
inference(all_rule,[status(thm)],]) ).
thf(10,plain,
( ~ sP37
| sP44 ),
inference(all_rule,[status(thm)],]) ).
thf(11,plain,
( ~ sP1
| sP34 ),
inference(all_rule,[status(thm)],]) ).
thf(12,plain,
( ~ sP23
| sP10 ),
inference(all_rule,[status(thm)],]) ).
thf(13,plain,
( ~ sP4
| sP46 ),
inference(all_rule,[status(thm)],]) ).
thf(14,plain,
( ~ sP18
| sP7 ),
inference(all_rule,[status(thm)],]) ).
thf(15,plain,
( ~ sP28
| ~ sP9
| sP18 ),
inference(prop_rule,[status(thm)],]) ).
thf(16,plain,
( ~ sP25
| sP28 ),
inference(all_rule,[status(thm)],]) ).
thf(17,plain,
( ~ sP37
| sP9 ),
inference(all_rule,[status(thm)],]) ).
thf(18,plain,
( ~ sP40
| sP25 ),
inference(all_rule,[status(thm)],]) ).
thf(19,plain,
( ~ sP15
| ~ sP2
| sP43 ),
inference(prop_rule,[status(thm)],]) ).
thf(20,plain,
( ~ sP42
| ~ sP13
| sP24 ),
inference(prop_rule,[status(thm)],]) ).
thf(21,plain,
( ~ sP24
| sP15 ),
inference(all_rule,[status(thm)],]) ).
thf(22,plain,
( ~ sP17
| sP42 ),
inference(all_rule,[status(thm)],]) ).
thf(23,plain,
( ~ sP16
| ~ sP48
| ~ sP6 ),
inference(prop_rule,[status(thm)],]) ).
thf(24,plain,
( ~ sP43
| sP16
| sP14 ),
inference(prop_rule,[status(thm)],]) ).
thf(25,plain,
( ~ sP39
| ~ sP2
| sP48 ),
inference(prop_rule,[status(thm)],]) ).
thf(26,plain,
( ~ sP50
| ~ sP13
| sP6 ),
inference(prop_rule,[status(thm)],]) ).
thf(27,plain,
( ~ sP8
| ~ sP13
| sP38 ),
inference(prop_rule,[status(thm)],]) ).
thf(28,plain,
( ~ sP38
| sP39 ),
inference(all_rule,[status(thm)],]) ).
thf(29,plain,
( ~ sP3
| sP50 ),
inference(all_rule,[status(thm)],]) ).
thf(30,plain,
( ~ sP27
| sP8 ),
inference(all_rule,[status(thm)],]) ).
thf(31,plain,
( ~ sP37
| sP13 ),
inference(all_rule,[status(thm)],]) ).
thf(32,plain,
( ~ sP1
| sP2 ),
inference(all_rule,[status(thm)],]) ).
thf(33,plain,
( ~ sP23
| sP3 ),
inference(all_rule,[status(thm)],]) ).
thf(34,plain,
( ~ sP4
| sP27 ),
inference(all_rule,[status(thm)],]) ).
thf(35,plain,
( ~ sP40
| sP17 ),
inference(all_rule,[status(thm)],]) ).
thf(36,plain,
( sP36
| ~ sP14 ),
inference(prop_rule,[status(thm)],]) ).
thf(37,plain,
( sP11
| ~ sP49 ),
inference(prop_rule,[status(thm)],]) ).
thf(38,plain,
( sP11
| sP33 ),
inference(prop_rule,[status(thm)],]) ).
thf(39,plain,
( sP31
| ~ sP36 ),
inference(eigen_choice_rule,[status(thm),assumptions([h0])],[h0,eigendef_eigen__4]) ).
thf(40,plain,
( sP20
| ~ sP11 ),
inference(eigen_choice_rule,[status(thm),assumptions([h0])],[h0,eigendef_eigen__3]) ).
thf(41,plain,
( sP19
| ~ sP31 ),
inference(prop_rule,[status(thm)],]) ).
thf(42,plain,
( sP32
| ~ sP20 ),
inference(prop_rule,[status(thm)],]) ).
thf(43,plain,
( sP45
| ~ sP19 ),
inference(eigen_choice_rule,[status(thm),assumptions([h0])],[h0,eigendef_eigen__2]) ).
thf(44,plain,
( sP47
| ~ sP32 ),
inference(eigen_choice_rule,[status(thm),assumptions([h0])],[h0,eigendef_eigen__1]) ).
thf(45,plain,
( ~ sP22
| ~ sP47
| ~ sP45 ),
inference(prop_rule,[status(thm)],]) ).
thf(ax_d,axiom,
sP40 ).
thf(ax_b,axiom,
sP4 ).
thf(ax_a,axiom,
sP23 ).
thf(refl_john,axiom,
sP1 ).
thf(refl_peter,axiom,
sP37 ).
thf(46,plain,
$false,
inference(prop_unsat,[status(thm),assumptions([h2,h1,h0])],[1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31,32,33,34,35,36,37,38,39,40,41,42,43,44,45,h2,ax_d,ax_b,ax_a,refl_john,refl_peter]) ).
thf(47,plain,
$false,
inference(tab_negall,[status(thm),assumptions([h1,h0]),tab_negall(discharge,[h2]),tab_negall(eigenvar,eigen__0)],[h1,46,h2]) ).
thf(48,plain,
$false,
inference(eigenvar_choice,[status(thm),assumptions([h1]),eigenvar_choice(discharge,[h0])],[47,h0]) ).
thf(0,theorem,
! [X1: $i] :
~ ( ! [X2: $i] :
( ( peter @ X1 @ X2 )
=> ! [X3: $i] :
( ( john @ X2 @ X3 )
=> ( appointment @ X3 ) ) )
=> ~ ! [X2: $i] :
( ( john @ X1 @ X2 )
=> ! [X3: $i] :
( ( peter @ X2 @ X3 )
=> ( appointment @ X3 ) ) ) ),
inference(contra,[status(thm),contra(discharge,[h1])],[47,h1]) ).
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.14 % Problem : PUZ086^1 : TPTP v8.1.2. Released v4.0.0.
% 0.00/0.14 % Command : lash -P picomus -M modes -p tstp -t %d %s
% 0.13/0.35 % Computer : n019.cluster.edu
% 0.13/0.35 % Model : x86_64 x86_64
% 0.13/0.35 % CPU : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.13/0.35 % Memory : 8042.1875MB
% 0.13/0.35 % OS : Linux 3.10.0-693.el7.x86_64
% 0.13/0.35 % CPULimit : 300
% 0.13/0.35 % WCLimit : 300
% 0.13/0.35 % DateTime : Sat Aug 26 22:13:58 EDT 2023
% 0.13/0.35 % CPUTime :
% 0.19/0.50 % SZS status Theorem
% 0.19/0.50 % Mode: cade22grackle2xfee4
% 0.19/0.50 % Steps: 1596
% 0.19/0.50 % SZS output start Proof
% See solution above
%------------------------------------------------------------------------------