TSTP Solution File: ITP065^1 by Lash---1.13
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%------------------------------------------------------------------------------
% File : Lash---1.13
% Problem : ITP065^1 : TPTP v8.1.2. Released v7.5.0.
% Transfm : none
% Format : tptp:raw
% Command : lash -P picomus -M modes -p tstp -t %d %s
% Computer : n021.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 04:01:51 EDT 2023
% Result : Theorem 0.19s 0.40s
% Output : Proof 0.19s
% Verified :
% SZS Type : ERROR: Analysing output (MakeTreeStats fails)
% Comments :
%------------------------------------------------------------------------------
thf(ty_b,type,
b: $tType ).
thf(ty_tree_b,type,
tree_b: $tType ).
thf(ty_t_b,type,
t_b: b > tree_b > tree_b > tree_b ).
thf(ty_e_b,type,
e_b: tree_b ).
thf(ty_heapIm229596387mpty_b,type,
heapIm229596387mpty_b: tree_b > $o ).
thf(sP1,plain,
( sP1
<=> ! [X1: tree_b] :
( ( X1 != e_b )
=> ~ ! [X2: b,X3: tree_b,X4: tree_b] :
( X1
!= ( t_b @ X2 @ X3 @ X4 ) ) ) ),
introduced(definition,[new_symbols(definition,[sP1])]) ).
thf(sP2,plain,
( sP2
<=> ( ( heapIm229596387mpty_b @ e_b )
= ~ $false ) ),
introduced(definition,[new_symbols(definition,[sP2])]) ).
thf(sP3,plain,
( sP3
<=> ( heapIm229596387mpty_b
= ( ^ [X1: tree_b] : ( X1 = e_b ) ) ) ),
introduced(definition,[new_symbols(definition,[sP3])]) ).
thf(sP4,plain,
( sP4
<=> ! [X1: tree_b] :
( ( heapIm229596387mpty_b @ X1 )
= ( X1 = e_b ) ) ),
introduced(definition,[new_symbols(definition,[sP4])]) ).
thf(sP5,plain,
( sP5
<=> ( heapIm229596387mpty_b @ e_b ) ),
introduced(definition,[new_symbols(definition,[sP5])]) ).
thf(sP6,plain,
( sP6
<=> $false ),
introduced(definition,[new_symbols(definition,[sP6])]) ).
thf(conj_0,conjecture,
sP5 ).
thf(h0,negated_conjecture,
~ sP5,
inference(assume_negation,[status(cth)],[conj_0]) ).
thf(1,plain,
( ~ sP2
| sP5
| sP6 ),
inference(prop_rule,[status(thm)],]) ).
thf(2,plain,
( ~ sP4
| sP2 ),
inference(all_rule,[status(thm)],]) ).
thf(3,plain,
( ~ sP1
| ~ sP6 ),
inference(all_rule,[status(thm)],]) ).
thf(4,plain,
( ~ sP3
| sP4 ),
inference(prop_rule,[status(thm)],]) ).
thf(fact_6_Tree_Oexhaust,axiom,
sP1 ).
thf(fact_0_hs__is__empty__def,axiom,
sP3 ).
thf(5,plain,
$false,
inference(prop_unsat,[status(thm),assumptions([h0])],[1,2,3,4,h0,fact_6_Tree_Oexhaust,fact_0_hs__is__empty__def]) ).
thf(0,theorem,
sP5,
inference(contra,[status(thm),contra(discharge,[h0])],[5,h0]) ).
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.12 % Problem : ITP065^1 : TPTP v8.1.2. Released v7.5.0.
% 0.00/0.12 % Command : lash -P picomus -M modes -p tstp -t %d %s
% 0.12/0.33 % Computer : n021.cluster.edu
% 0.12/0.33 % Model : x86_64 x86_64
% 0.12/0.33 % CPU : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.12/0.33 % Memory : 8042.1875MB
% 0.12/0.33 % OS : Linux 3.10.0-693.el7.x86_64
% 0.12/0.33 % CPULimit : 300
% 0.12/0.33 % WCLimit : 300
% 0.12/0.33 % DateTime : Sun Aug 27 14:58:43 EDT 2023
% 0.12/0.34 % CPUTime :
% 0.19/0.40 % SZS status Theorem
% 0.19/0.40 % Mode: cade22grackle2xfee4
% 0.19/0.40 % Steps: 21
% 0.19/0.40 % SZS output start Proof
% See solution above
%------------------------------------------------------------------------------