TSTP Solution File: NUM781^2 by Lash---1.13
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%------------------------------------------------------------------------------
% File : Lash---1.13
% Problem : NUM781^2 : TPTP v8.1.2. Released v5.1.0.
% Transfm : none
% Format : tptp:raw
% Command : lash -P picomus -M modes -p tstp -t %d %s
% Computer : n015.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 11:41:04 EDT 2023
% Result : Theorem 0.16s 0.34s
% Output : Proof 0.16s
% Verified :
% SZS Type : ERROR: Analysing output (MakeTreeStats fails)
% Comments :
%------------------------------------------------------------------------------
thf(ty_a,type,
a: $tType ).
thf(ty_eigen__0,type,
eigen__0: a ).
thf(ty_eigen__1,type,
eigen__1: a ).
thf(sP1,plain,
( sP1
<=> ( eigen__0 = eigen__1 ) ),
introduced(definition,[new_symbols(definition,[sP1])]) ).
thf(sP2,plain,
( sP2
<=> $false ),
introduced(definition,[new_symbols(definition,[sP2])]) ).
thf(sP3,plain,
( sP3
<=> ( eigen__1 = eigen__0 ) ),
introduced(definition,[new_symbols(definition,[sP3])]) ).
thf(cES_eq_,conjecture,
! [X1: a,X2: a] :
( ( X1 = X2 )
=> ( X2 = X1 ) ) ).
thf(h0,negated_conjecture,
~ ! [X1: a,X2: a] :
( ( X1 = X2 )
=> ( X2 = X1 ) ),
inference(assume_negation,[status(cth)],[cES_eq_]) ).
thf(h1,assumption,
~ ! [X1: a] :
( ( eigen__0 = X1 )
=> ( X1 = eigen__0 ) ),
introduced(assumption,[]) ).
thf(h2,assumption,
~ ( sP1
=> sP3 ),
introduced(assumption,[]) ).
thf(h3,assumption,
sP1,
introduced(assumption,[]) ).
thf(h4,assumption,
~ sP3,
introduced(assumption,[]) ).
thf(1,plain,
~ sP2,
inference(prop_rule,[status(thm)],]) ).
thf(2,plain,
( ~ sP1
| sP3
| sP2
| sP2 ),
inference(confrontation_rule,[status(thm)],]) ).
thf(3,plain,
$false,
inference(prop_unsat,[status(thm),assumptions([h3,h4,h2,h1,h0])],[1,2,h3,h4]) ).
thf(4,plain,
$false,
inference(tab_negimp,[status(thm),assumptions([h2,h1,h0]),tab_negimp(discharge,[h3,h4])],[h2,3,h3,h4]) ).
thf(5,plain,
$false,
inference(tab_negall,[status(thm),assumptions([h1,h0]),tab_negall(discharge,[h2]),tab_negall(eigenvar,eigen__1)],[h1,4,h2]) ).
thf(6,plain,
$false,
inference(tab_negall,[status(thm),assumptions([h0]),tab_negall(discharge,[h1]),tab_negall(eigenvar,eigen__0)],[h0,5,h1]) ).
thf(0,theorem,
! [X1: a,X2: a] :
( ( X1 = X2 )
=> ( X2 = X1 ) ),
inference(contra,[status(thm),contra(discharge,[h0])],[6,h0]) ).
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.10 % Problem : NUM781^2 : TPTP v8.1.2. Released v5.1.0.
% 0.00/0.11 % Command : lash -P picomus -M modes -p tstp -t %d %s
% 0.10/0.31 % Computer : n015.cluster.edu
% 0.10/0.31 % Model : x86_64 x86_64
% 0.10/0.31 % CPU : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.10/0.31 % Memory : 8042.1875MB
% 0.10/0.31 % OS : Linux 3.10.0-693.el7.x86_64
% 0.10/0.31 % CPULimit : 300
% 0.10/0.31 % WCLimit : 300
% 0.10/0.31 % DateTime : Fri Aug 25 16:53:07 EDT 2023
% 0.10/0.31 % CPUTime :
% 0.16/0.34 % SZS status Theorem
% 0.16/0.34 % Mode: cade22grackle2xfee4
% 0.16/0.34 % Steps: 7
% 0.16/0.34 % SZS output start Proof
% See solution above
%------------------------------------------------------------------------------