TSTP Solution File: LCL238-1 by SPASS---3.9

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : SPASS---3.9
% Problem  : LCL238-1 : TPTP v8.1.0. Bugfixed v2.3.0.
% Transfm  : none
% Format   : tptp
% Command  : run_spass %d %s

% Computer : n023.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  : 600s
% DateTime : Sun Jul 17 14:35:46 EDT 2022

% Result   : Unsatisfiable 0.34s 0.52s
% Output   : Refutation 0.34s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :    9
%            Number of leaves      :    8
% Syntax   : Number of clauses     :   21 (  12 unt;   0 nHn;  21 RR)
%            Number of literals    :   33 (   0 equ;  13 neg)
%            Maximal clause size   :    3 (   1 avg)
%            Maximal term depth    :    6 (   2 avg)
%            Number of predicates  :    3 (   2 usr;   1 prp; 0-1 aty)
%            Number of functors    :    7 (   7 usr;   5 con; 0-2 aty)
%            Number of variables   :    0 (   0 sgn)

% Comments : 
%------------------------------------------------------------------------------
cnf(1,axiom,
    ~ theorem(or__dfg(not__dfg(not__dfg(or__dfg(not__dfg(p),not__dfg(q)))),not__dfg(or__dfg(not__dfg(q),not__dfg(p))))),
    file('LCL238-1.p',unknown),
    [] ).

cnf(2,axiom,
    axiom(or__dfg(not__dfg(or__dfg(u,u)),u)),
    file('LCL238-1.p',unknown),
    [] ).

cnf(3,axiom,
    axiom(or__dfg(not__dfg(u),or__dfg(v,u))),
    file('LCL238-1.p',unknown),
    [] ).

cnf(4,axiom,
    axiom(or__dfg(not__dfg(or__dfg(u,v)),or__dfg(v,u))),
    file('LCL238-1.p',unknown),
    [] ).

cnf(5,axiom,
    axiom(or__dfg(not__dfg(or__dfg(u,or__dfg(v,w))),or__dfg(v,or__dfg(u,w)))),
    file('LCL238-1.p',unknown),
    [] ).

cnf(7,axiom,
    ( ~ axiom(u)
    | theorem(u) ),
    file('LCL238-1.p',unknown),
    [] ).

cnf(8,axiom,
    ( ~ theorem(u)
    | ~ axiom(or__dfg(not__dfg(u),v))
    | theorem(v) ),
    file('LCL238-1.p',unknown),
    [] ).

cnf(9,axiom,
    ( ~ theorem(or__dfg(not__dfg(u),v))
    | ~ axiom(or__dfg(not__dfg(w),u))
    | theorem(or__dfg(not__dfg(w),v)) ),
    file('LCL238-1.p',unknown),
    [] ).

cnf(21,plain,
    ( ~ theorem(or__dfg(u,u))
    | theorem(u) ),
    inference(res,[status(thm),theory(equality)],[2,8]),
    [iquote('0:Res:2.0,8.1')] ).

cnf(23,plain,
    ( ~ theorem(or__dfg(u,v))
    | theorem(or__dfg(v,u)) ),
    inference(res,[status(thm),theory(equality)],[4,8]),
    [iquote('0:Res:4.0,8.1')] ).

cnf(27,plain,
    ( ~ axiom(or__dfg(u,v))
    | theorem(or__dfg(v,u)) ),
    inference(sor,[status(thm)],[23,7]),
    [iquote('0:SoR:23.0,7.1')] ).

cnf(30,plain,
    ( ~ theorem(or__dfg(u,or__dfg(v,w)))
    | theorem(or__dfg(v,or__dfg(u,w))) ),
    inference(res,[status(thm),theory(equality)],[5,8]),
    [iquote('0:Res:5.0,8.1')] ).

cnf(33,plain,
    theorem(or__dfg(or__dfg(u,v),not__dfg(v))),
    inference(sor,[status(thm)],[27,3]),
    [iquote('0:SoR:27.0,3.0')] ).

cnf(35,plain,
    theorem(or__dfg(not__dfg(u),or__dfg(v,u))),
    inference(sor,[status(thm)],[23,33]),
    [iquote('0:SoR:23.0,33.0')] ).

cnf(44,plain,
    theorem(or__dfg(u,or__dfg(not__dfg(v),v))),
    inference(sor,[status(thm)],[30,35]),
    [iquote('0:SoR:30.0,35.0')] ).

cnf(52,plain,
    theorem(or__dfg(not__dfg(u),u)),
    inference(sor,[status(thm)],[21,44]),
    [iquote('0:SoR:21.0,44.0')] ).

cnf(55,plain,
    theorem(or__dfg(u,not__dfg(u))),
    inference(sor,[status(thm)],[23,52]),
    [iquote('0:SoR:23.0,52.0')] ).

cnf(62,plain,
    ( ~ axiom(or__dfg(not__dfg(u),v))
    | ~ theorem(or__dfg(not__dfg(v),w))
    | theorem(or__dfg(w,not__dfg(u))) ),
    inference(sor,[status(thm)],[23,9]),
    [iquote('0:SoR:23.0,9.2')] ).

cnf(270,plain,
    ( ~ theorem(or__dfg(not__dfg(or__dfg(u,v)),w))
    | theorem(or__dfg(w,not__dfg(or__dfg(v,u)))) ),
    inference(res,[status(thm),theory(equality)],[4,62]),
    [iquote('0:Res:4.0,62.0')] ).

cnf(760,plain,
    theorem(or__dfg(not__dfg(not__dfg(or__dfg(u,v))),not__dfg(or__dfg(v,u)))),
    inference(res,[status(thm),theory(equality)],[55,270]),
    [iquote('0:Res:55.0,270.0')] ).

cnf(817,plain,
    $false,
    inference(unc,[status(thm)],[760,1]),
    [iquote('0:UnC:760.0,1.0')] ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.07/0.11  % Problem  : LCL238-1 : TPTP v8.1.0. Bugfixed v2.3.0.
% 0.07/0.12  % Command  : run_spass %d %s
% 0.12/0.31  % Computer : n023.cluster.edu
% 0.12/0.31  % Model    : x86_64 x86_64
% 0.12/0.31  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.12/0.31  % Memory   : 8042.1875MB
% 0.12/0.31  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.12/0.31  % CPULimit : 300
% 0.12/0.31  % WCLimit  : 600
% 0.12/0.31  % DateTime : Tue Jul  5 00:37:12 EDT 2022
% 0.12/0.31  % CPUTime  : 
% 0.34/0.52  
% 0.34/0.52  SPASS V 3.9 
% 0.34/0.52  SPASS beiseite: Proof found.
% 0.34/0.52  % SZS status Theorem
% 0.34/0.52  Problem: /export/starexec/sandbox/benchmark/theBenchmark.p 
% 0.34/0.52  SPASS derived 798 clauses, backtracked 0 clauses, performed 0 splits and kept 486 clauses.
% 0.34/0.52  SPASS allocated 76887 KBytes.
% 0.34/0.52  SPASS spent	0:00:00.18 on the problem.
% 0.34/0.52  		0:00:00.04 for the input.
% 0.34/0.52  		0:00:00.00 for the FLOTTER CNF translation.
% 0.34/0.52  		0:00:00.02 for inferences.
% 0.34/0.52  		0:00:00.00 for the backtracking.
% 0.34/0.52  		0:00:00.09 for the reduction.
% 0.34/0.52  
% 0.34/0.52  
% 0.34/0.52  Here is a proof with depth 8, length 21 :
% 0.34/0.52  % SZS output start Refutation
% See solution above
% 0.34/0.52  Formulae used in the proof : prove_this axiom_1_2 axiom_1_3 axiom_1_4 axiom_1_5 rule_1 rule_2 rule_3
% 0.34/0.52  
%------------------------------------------------------------------------------