TSTP Solution File: LCL111-1 by SPASS---3.9

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : SPASS---3.9
% Problem  : LCL111-1 : TPTP v8.1.0. Released v1.0.0.
% Transfm  : none
% Format   : tptp
% Command  : run_spass %d %s

% Computer : n028.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 14:34:41 EDT 2022

% Result   : Unsatisfiable 19.27s 19.46s
% Output   : Refutation 19.27s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :    7
%            Number of leaves      :    5
% Syntax   : Number of clauses     :   18 (  10 unt;   0 nHn;  18 RR)
%            Number of literals    :   28 (   0 equ;  11 neg)
%            Maximal clause size   :    3 (   1 avg)
%            Maximal term depth    :    5 (   2 avg)
%            Number of predicates  :    2 (   1 usr;   1 prp; 0-1 aty)
%            Number of functors    :    8 (   8 usr;   7 con; 0-2 aty)
%            Number of variables   :    0 (   0 sgn)

% Comments : 
%------------------------------------------------------------------------------
cnf(1,axiom,
    ( ~ is_a_theorem(u)
    | ~ is_a_theorem(implies__dfg(u,v))
    | is_a_theorem(v) ),
    file('LCL111-1.p',unknown),
    [] ).

cnf(2,axiom,
    is_a_theorem(implies__dfg(u,implies__dfg(v,u))),
    file('LCL111-1.p',unknown),
    [] ).

cnf(3,axiom,
    is_a_theorem(implies__dfg(implies__dfg(u,v),implies__dfg(implies__dfg(v,w),implies__dfg(u,w)))),
    file('LCL111-1.p',unknown),
    [] ).

cnf(4,axiom,
    is_a_theorem(implies__dfg(implies__dfg(implies__dfg(u,v),v),implies__dfg(implies__dfg(v,u),u))),
    file('LCL111-1.p',unknown),
    [] ).

cnf(6,axiom,
    ~ is_a_theorem(implies__dfg(implies__dfg(a,b),implies__dfg(implies__dfg(c,a),implies__dfg(c,b)))),
    file('LCL111-1.p',unknown),
    [] ).

cnf(13,plain,
    ( ~ is_a_theorem(u)
    | is_a_theorem(implies__dfg(v,u)) ),
    inference(res,[status(thm),theory(equality)],[2,1]),
    [iquote('0:Res:2.0,1.1')] ).

cnf(16,plain,
    ( ~ is_a_theorem(implies__dfg(implies__dfg(u,v),v))
    | is_a_theorem(implies__dfg(implies__dfg(v,u),u)) ),
    inference(res,[status(thm),theory(equality)],[4,1]),
    [iquote('0:Res:4.0,1.1')] ).

cnf(18,plain,
    ( ~ is_a_theorem(implies__dfg(u,v))
    | is_a_theorem(implies__dfg(implies__dfg(v,w),implies__dfg(u,w))) ),
    inference(res,[status(thm),theory(equality)],[3,1]),
    [iquote('0:Res:3.0,1.1')] ).

cnf(20,plain,
    ( ~ is_a_theorem(u)
    | is_a_theorem(implies__dfg(implies__dfg(u,v),v)) ),
    inference(sor,[status(thm)],[16,13]),
    [iquote('0:SoR:16.0,13.1')] ).

cnf(24,plain,
    ( ~ is_a_theorem(u)
    | ~ is_a_theorem(implies__dfg(u,v))
    | is_a_theorem(v) ),
    inference(res,[status(thm),theory(equality)],[20,1]),
    [iquote('0:Res:20.1,1.1')] ).

cnf(27,plain,
    is_a_theorem(implies__dfg(implies__dfg(implies__dfg(implies__dfg(u,v),implies__dfg(w,v)),x),implies__dfg(implies__dfg(w,u),x))),
    inference(sor,[status(thm)],[18,3]),
    [iquote('0:SoR:18.0,3.0')] ).

cnf(28,plain,
    is_a_theorem(implies__dfg(implies__dfg(implies__dfg(implies__dfg(u,v),v),w),implies__dfg(implies__dfg(implies__dfg(v,u),u),w))),
    inference(sor,[status(thm)],[18,4]),
    [iquote('0:SoR:18.0,4.0')] ).

cnf(30,plain,
    is_a_theorem(implies__dfg(implies__dfg(implies__dfg(u,v),w),implies__dfg(v,w))),
    inference(sor,[status(thm)],[18,2]),
    [iquote('0:SoR:18.0,2.0')] ).

cnf(37,plain,
    ( ~ is_a_theorem(implies__dfg(implies__dfg(u,v),w))
    | is_a_theorem(implies__dfg(v,w)) ),
    inference(sor,[status(thm)],[24,30]),
    [iquote('0:SoR:24.1,30.0')] ).

cnf(101,plain,
    ( ~ is_a_theorem(implies__dfg(implies__dfg(implies__dfg(u,v),v),w))
    | is_a_theorem(implies__dfg(implies__dfg(implies__dfg(v,u),u),w)) ),
    inference(sor,[status(thm)],[24,28]),
    [iquote('0:SoR:24.1,28.0')] ).

cnf(666,plain,
    is_a_theorem(implies__dfg(implies__dfg(implies__dfg(implies__dfg(u,v),implies__dfg(w,v)),implies__dfg(w,v)),implies__dfg(implies__dfg(u,w),implies__dfg(u,v)))),
    inference(sor,[status(thm)],[101,27]),
    [iquote('0:SoR:101.0,27.0')] ).

cnf(17787,plain,
    is_a_theorem(implies__dfg(implies__dfg(u,v),implies__dfg(implies__dfg(w,u),implies__dfg(w,v)))),
    inference(sor,[status(thm)],[37,666]),
    [iquote('0:SoR:37.0,666.0')] ).

cnf(17797,plain,
    $false,
    inference(unc,[status(thm)],[17787,6]),
    [iquote('0:UnC:17787.0,6.0')] ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.11  % Problem  : LCL111-1 : TPTP v8.1.0. Released v1.0.0.
% 0.12/0.12  % Command  : run_spass %d %s
% 0.12/0.33  % Computer : n028.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  : 600
% 0.12/0.33  % DateTime : Mon Jul  4 14:34:49 EDT 2022
% 0.12/0.33  % CPUTime  : 
% 19.27/19.46  
% 19.27/19.46  SPASS V 3.9 
% 19.27/19.46  SPASS beiseite: Proof found.
% 19.27/19.46  % SZS status Theorem
% 19.27/19.46  Problem: /export/starexec/sandbox/benchmark/theBenchmark.p 
% 19.27/19.46  SPASS derived 17588 clauses, backtracked 0 clauses, performed 0 splits and kept 9258 clauses.
% 19.27/19.46  SPASS allocated 100161 KBytes.
% 19.27/19.46  SPASS spent	0:0:18.80 on the problem.
% 19.27/19.46  		0:00:00.04 for the input.
% 19.27/19.46  		0:00:00.00 for the FLOTTER CNF translation.
% 19.27/19.46  		0:00:00.29 for inferences.
% 19.27/19.46  		0:00:00.00 for the backtracking.
% 19.27/19.46  		0:0:18.36 for the reduction.
% 19.27/19.46  
% 19.27/19.46  
% 19.27/19.46  Here is a proof with depth 6, length 18 :
% 19.27/19.46  % SZS output start Refutation
% See solution above
% 19.27/19.46  Formulae used in the proof : condensed_detachment mv_1 mv_2 mv_3 prove_mv_25
% 19.27/19.46  
%------------------------------------------------------------------------------