TSTP Solution File: SYO517^1 by Lash---1.13
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%------------------------------------------------------------------------------
% File : Lash---1.13
% Problem : SYO517^1 : TPTP v8.1.2. Released v4.1.0.
% Transfm : none
% Format : tptp:raw
% Command : lash -P picomus -M modes -p tstp -t %d %s
% Computer : n007.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 : Fri Sep 1 04:47:20 EDT 2023
% Result : Theorem 20.14s 20.45s
% Output : Proof 20.14s
% Verified :
% SZS Type : Refutation
% Derivation depth : 4
% Number of leaves : 21
% Syntax : Number of formulae : 28 ( 10 unt; 2 typ; 2 def)
% Number of atoms : 58 ( 9 equ; 0 cnn)
% Maximal formula atoms : 6 ( 2 avg)
% Number of connectives : 95 ( 25 ~; 8 |; 0 &; 34 @)
% ( 8 <=>; 20 =>; 0 <=; 0 <~>)
% Maximal formula depth : 13 ( 4 avg)
% Number of types : 2 ( 0 usr)
% Number of type conns : 10 ( 10 >; 0 *; 0 +; 0 <<)
% Number of symbols : 14 ( 12 usr; 12 con; 0-2 aty)
% Number of variables : 26 ( 2 ^; 20 !; 0 ?; 26 :)
% ( 0 !>; 0 ?*; 0 @-; 4 @+)
% Comments :
%------------------------------------------------------------------------------
thf(ty_eigen__8,type,
eigen__8: $i ).
thf(ty_eigen__7,type,
eigen__7: $i > $o ).
thf(h0,assumption,
! [X1: $i > $o,X2: $i] :
( ( X1 @ X2 )
=> ( X1 @ ( eps__0 @ X1 ) ) ),
introduced(assumption,[]) ).
thf(eigendef_eigen__8,definition,
( eigen__8
= ( eps__0
@ ^ [X1: $i] :
~ ( ( eigen__7 @ X1 )
=> ~ ! [X2: $i] :
( ( eigen__7 @ X2 )
=> ( X1 = X2 ) ) ) ) ),
introduced(definition,[new_symbols(definition,[eigen__8])]) ).
thf(h1,assumption,
! [X1: ( $i > $o ) > $o,X2: $i > $o] :
( ( X1 @ X2 )
=> ( X1 @ ( eps__1 @ X1 ) ) ),
introduced(assumption,[]) ).
thf(eigendef_eigen__7,definition,
( eigen__7
= ( eps__1
@ ^ [X1: $i > $o] :
~ ( ~ ! [X2: $i] :
( ( X1 @ X2 )
=> ~ ! [X3: $i] :
( ( X1 @ X3 )
=> ( X2 = X3 ) ) )
=> ( X1
@ @+[X2: $i] : ( X1 @ X2 ) ) ) ) ),
introduced(definition,[new_symbols(definition,[eigen__7])]) ).
thf(sP1,plain,
( sP1
<=> ( ( eigen__7 @ eigen__8 )
=> ~ ! [X1: $i] :
( ( eigen__7 @ X1 )
=> ( eigen__8 = X1 ) ) ) ),
introduced(definition,[new_symbols(definition,[sP1])]) ).
thf(sP2,plain,
( sP2
<=> ! [X1: $i] :
~ ( eigen__7 @ X1 ) ),
introduced(definition,[new_symbols(definition,[sP2])]) ).
thf(sP3,plain,
( sP3
<=> ! [X1: ( $i > $o ) > $i] :
~ ! [X2: $i > $o] :
( ~ ! [X3: $i] :
( ( X2 @ X3 )
=> ~ ! [X4: $i] :
( ( X2 @ X4 )
=> ( X3 = X4 ) ) )
=> ( X2 @ ( X1 @ X2 ) ) ) ),
introduced(definition,[new_symbols(definition,[sP3])]) ).
thf(sP4,plain,
( sP4
<=> ! [X1: $i > $o] :
( ~ ! [X2: $i] :
( ( X1 @ X2 )
=> ~ ! [X3: $i] :
( ( X1 @ X3 )
=> ( X2 = X3 ) ) )
=> ( X1
@ @+[X2: $i] : ( X1 @ X2 ) ) ) ),
introduced(definition,[new_symbols(definition,[sP4])]) ).
thf(sP5,plain,
( sP5
<=> ( ~ ! [X1: $i] :
( ( eigen__7 @ X1 )
=> ~ ! [X2: $i] :
( ( eigen__7 @ X2 )
=> ( X1 = X2 ) ) )
=> ( eigen__7
@ @+[X1: $i] : ( eigen__7 @ X1 ) ) ) ),
introduced(definition,[new_symbols(definition,[sP5])]) ).
thf(sP6,plain,
( sP6
<=> ( eigen__7 @ eigen__8 ) ),
introduced(definition,[new_symbols(definition,[sP6])]) ).
thf(sP7,plain,
( sP7
<=> ! [X1: $i] :
( ( eigen__7 @ X1 )
=> ~ ! [X2: $i] :
( ( eigen__7 @ X2 )
=> ( X1 = X2 ) ) ) ),
introduced(definition,[new_symbols(definition,[sP7])]) ).
thf(sP8,plain,
( sP8
<=> ( eigen__7
@ @+[X1: $i] : ( eigen__7 @ X1 ) ) ),
introduced(definition,[new_symbols(definition,[sP8])]) ).
thf(descri,conjecture,
~ sP3 ).
thf(h2,negated_conjecture,
sP3,
inference(assume_negation,[status(cth)],[descri]) ).
thf(1,plain,
( ~ sP2
| ~ sP6 ),
inference(all_rule,[status(thm)],]) ).
thf(2,plain,
( sP8
| sP2 ),
inference(choice_rule,[status(thm)],]) ).
thf(3,plain,
( sP1
| sP6 ),
inference(prop_rule,[status(thm)],]) ).
thf(4,plain,
( sP7
| ~ sP1 ),
inference(eigen_choice_rule,[status(thm),assumptions([h0])],[h0,eigendef_eigen__8]) ).
thf(5,plain,
( sP5
| ~ sP8 ),
inference(prop_rule,[status(thm)],]) ).
thf(6,plain,
( sP5
| ~ sP7 ),
inference(prop_rule,[status(thm)],]) ).
thf(7,plain,
( sP4
| ~ sP5 ),
inference(eigen_choice_rule,[status(thm),assumptions([h1])],[h1,eigendef_eigen__7]) ).
thf(8,plain,
( ~ sP3
| ~ sP4 ),
inference(all_rule,[status(thm)],]) ).
thf(9,plain,
$false,
inference(prop_unsat,[status(thm),assumptions([h2,h1,h0])],[1,2,3,4,5,6,7,8,h2]) ).
thf(10,plain,
$false,
inference(eigenvar_choice,[status(thm),assumptions([h2,h0]),eigenvar_choice(discharge,[h1])],[9,h1]) ).
thf(11,plain,
$false,
inference(eigenvar_choice,[status(thm),assumptions([h2]),eigenvar_choice(discharge,[h0])],[10,h0]) ).
thf(0,theorem,
~ sP3,
inference(contra,[status(thm),contra(discharge,[h2])],[9,h2]) ).
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.03/0.11 % Problem : SYO517^1 : TPTP v8.1.2. Released v4.1.0.
% 0.10/0.12 % Command : lash -P picomus -M modes -p tstp -t %d %s
% 0.10/0.32 % Computer : n007.cluster.edu
% 0.10/0.32 % Model : x86_64 x86_64
% 0.10/0.32 % CPU : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.10/0.32 % Memory : 8042.1875MB
% 0.10/0.32 % OS : Linux 3.10.0-693.el7.x86_64
% 0.10/0.32 % CPULimit : 300
% 0.10/0.32 % WCLimit : 300
% 0.10/0.32 % DateTime : Sat Aug 26 04:26:11 EDT 2023
% 0.10/0.32 % CPUTime :
% 20.14/20.45 % SZS status Theorem
% 20.14/20.45 % Mode: cade22grackle2x798d
% 20.14/20.45 % Steps: 1122
% 20.14/20.45 % SZS output start Proof
% See solution above
%------------------------------------------------------------------------------