TSTP Solution File: PUZ082^1 by Lash---1.13
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%------------------------------------------------------------------------------
% File : Lash---1.13
% Problem : PUZ082^1 : TPTP v8.1.2. Released v3.6.0.
% Transfm : none
% Format : tptp:raw
% Command : lash -P picomus -M modes -p tstp -t %d %s
% Computer : n001.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 13:21:48 EDT 2023
% Result : Theorem 0.21s 0.38s
% Output : Proof 0.21s
% Verified :
% SZS Type : ERROR: Analysing output (MakeTreeStats fails)
% Comments :
%------------------------------------------------------------------------------
thf(ty_says,type,
says: $i > $o > $o ).
thf(ty_peter,type,
peter: $i ).
thf(sP1,plain,
( sP1
<=> ! [X1: $o] :
( ( says @ peter @ X1 )
=> ~ X1 ) ),
introduced(definition,[new_symbols(definition,[sP1])]) ).
thf(sP2,plain,
( sP2
<=> ( sP1 = ~ $false ) ),
introduced(definition,[new_symbols(definition,[sP2])]) ).
thf(sP3,plain,
( sP3
<=> ( says @ peter @ ~ $false ) ),
introduced(definition,[new_symbols(definition,[sP3])]) ).
thf(sP4,plain,
( sP4
<=> ( says @ peter @ sP1 ) ),
introduced(definition,[new_symbols(definition,[sP4])]) ).
thf(sP5,plain,
( sP5
<=> $false ),
introduced(definition,[new_symbols(definition,[sP5])]) ).
thf(thm,conjecture,
~ sP1 ).
thf(h0,negated_conjecture,
sP1,
inference(assume_negation,[status(cth)],[thm]) ).
thf(1,plain,
( sP2
| ~ sP1
| sP5 ),
inference(prop_rule,[status(thm)],]) ).
thf(2,plain,
~ sP5,
inference(prop_rule,[status(thm)],]) ).
thf(3,plain,
( ~ sP4
| sP3
| ~ sP2
| sP5 ),
inference(mating_rule,[status(thm)],]) ).
thf(4,plain,
( ~ sP1
| ~ sP3 ),
inference(all_rule,[status(thm)],]) ).
thf(ax1,axiom,
sP4 ).
thf(5,plain,
$false,
inference(prop_unsat,[status(thm),assumptions([h0])],[1,2,3,4,h0,ax1]) ).
thf(0,theorem,
~ sP1,
inference(contra,[status(thm),contra(discharge,[h0])],[5,h0]) ).
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.13 % Problem : PUZ082^1 : TPTP v8.1.2. Released v3.6.0.
% 0.00/0.14 % Command : lash -P picomus -M modes -p tstp -t %d %s
% 0.14/0.35 % Computer : n001.cluster.edu
% 0.14/0.35 % Model : x86_64 x86_64
% 0.14/0.35 % CPU : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.14/0.35 % Memory : 8042.1875MB
% 0.14/0.35 % OS : Linux 3.10.0-693.el7.x86_64
% 0.14/0.35 % CPULimit : 300
% 0.14/0.35 % WCLimit : 300
% 0.14/0.35 % DateTime : Sat Aug 26 23:14:31 EDT 2023
% 0.14/0.35 % CPUTime :
% 0.21/0.38 % SZS status Theorem
% 0.21/0.38 % Mode: cade22grackle2xfee4
% 0.21/0.38 % Steps: 7
% 0.21/0.38 % SZS output start Proof
% See solution above
%------------------------------------------------------------------------------