TSTP Solution File: LCL367-1 by SPASS---3.9

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : SPASS---3.9
% Problem  : LCL367-1 : TPTP v8.1.0. Released v2.3.0.
% Transfm  : none
% Format   : tptp
% Command  : run_spass %d %s

% Computer : n024.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 14:36:30 EDT 2022

% Result   : Unsatisfiable 1.04s 1.22s
% Output   : Refutation 1.04s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   19
%            Number of leaves      :    5
% Syntax   : Number of clauses     :   43 (  29 unt;   0 nHn;  43 RR)
%            Number of literals    :   59 (   0 equ;  17 neg)
%            Maximal clause size   :    3 (   1 avg)
%            Maximal term depth    :    8 (   2 avg)
%            Number of predicates  :    2 (   1 usr;   1 prp; 0-1 aty)
%            Number of functors    :    8 (   8 usr;   6 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('LCL367-1.p',unknown),
    [] ).

cnf(2,axiom,
    is_a_theorem(implies__dfg(implies__dfg(u,v),implies__dfg(implies__dfg(v,w),implies__dfg(u,w)))),
    file('LCL367-1.p',unknown),
    [] ).

cnf(3,axiom,
    is_a_theorem(implies__dfg(implies__dfg(not__dfg(u),u),u)),
    file('LCL367-1.p',unknown),
    [] ).

cnf(4,axiom,
    is_a_theorem(implies__dfg(u,implies__dfg(not__dfg(u),v))),
    file('LCL367-1.p',unknown),
    [] ).

cnf(5,axiom,
    ~ is_a_theorem(implies__dfg(x__dfg,implies__dfg(implies__dfg(y__dfg,x__dfg),x__dfg))),
    file('LCL367-1.p',unknown),
    [] ).

cnf(13,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)],[2,1]),
    [iquote('0:Res:2.0,1.1')] ).

cnf(17,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)],[13,2]),
    [iquote('0:SoR:13.0,2.0')] ).

cnf(18,plain,
    is_a_theorem(implies__dfg(implies__dfg(implies__dfg(not__dfg(u),v),w),implies__dfg(u,w))),
    inference(sor,[status(thm)],[13,4]),
    [iquote('0:SoR:13.0,4.0')] ).

cnf(19,plain,
    is_a_theorem(implies__dfg(implies__dfg(u,v),implies__dfg(implies__dfg(not__dfg(u),u),v))),
    inference(sor,[status(thm)],[13,3]),
    [iquote('0:SoR:13.0,3.0')] ).

cnf(20,plain,
    is_a_theorem(implies__dfg(implies__dfg(implies__dfg(u,v),w),implies__dfg(implies__dfg(implies__dfg(not__dfg(u),x),v),w))),
    inference(sor,[status(thm)],[13,18]),
    [iquote('0:SoR:13.0,18.0')] ).

cnf(21,plain,
    ( ~ is_a_theorem(implies__dfg(implies__dfg(not__dfg(u),v),w))
    | is_a_theorem(implies__dfg(u,w)) ),
    inference(res,[status(thm),theory(equality)],[18,1]),
    [iquote('0:Res:18.0,1.1')] ).

cnf(22,plain,
    is_a_theorem(implies__dfg(implies__dfg(implies__dfg(implies__dfg(not__dfg(u),u),v),w),implies__dfg(implies__dfg(u,v),w))),
    inference(sor,[status(thm)],[13,19]),
    [iquote('0:SoR:13.0,19.0')] ).

cnf(23,plain,
    ( ~ is_a_theorem(implies__dfg(u,v))
    | is_a_theorem(implies__dfg(implies__dfg(not__dfg(u),u),v)) ),
    inference(res,[status(thm),theory(equality)],[19,1]),
    [iquote('0:Res:19.0,1.1')] ).

cnf(35,plain,
    ( ~ is_a_theorem(implies__dfg(implies__dfg(implies__dfg(u,v),implies__dfg(w,v)),x))
    | is_a_theorem(implies__dfg(implies__dfg(w,u),x)) ),
    inference(res,[status(thm),theory(equality)],[17,1]),
    [iquote('0:Res:17.0,1.1')] ).

cnf(61,plain,
    is_a_theorem(implies__dfg(implies__dfg(not__dfg(implies__dfg(not__dfg(u),u)),implies__dfg(not__dfg(u),u)),u)),
    inference(sor,[status(thm)],[23,3]),
    [iquote('0:SoR:23.0,3.0')] ).

cnf(79,plain,
    ( ~ is_a_theorem(implies__dfg(implies__dfg(u,v),w))
    | is_a_theorem(implies__dfg(implies__dfg(implies__dfg(not__dfg(u),x),v),w)) ),
    inference(res,[status(thm),theory(equality)],[20,1]),
    [iquote('0:Res:20.0,1.1')] ).

cnf(111,plain,
    is_a_theorem(implies__dfg(implies__dfg(u,implies__dfg(not__dfg(v),v)),implies__dfg(implies__dfg(v,w),implies__dfg(u,w)))),
    inference(sor,[status(thm)],[35,22]),
    [iquote('0:SoR:35.0,22.0')] ).

cnf(113,plain,
    is_a_theorem(implies__dfg(implies__dfg(u,not__dfg(v)),implies__dfg(v,implies__dfg(u,w)))),
    inference(sor,[status(thm)],[35,18]),
    [iquote('0:SoR:35.0,18.0')] ).

cnf(124,plain,
    is_a_theorem(implies__dfg(u,implies__dfg(v,implies__dfg(not__dfg(u),w)))),
    inference(sor,[status(thm)],[21,113]),
    [iquote('0:SoR:21.0,113.0')] ).

cnf(127,plain,
    is_a_theorem(implies__dfg(implies__dfg(implies__dfg(u,implies__dfg(not__dfg(v),w)),x),implies__dfg(v,x))),
    inference(sor,[status(thm)],[13,124]),
    [iquote('0:SoR:13.0,124.0')] ).

cnf(168,plain,
    ( ~ is_a_theorem(implies__dfg(implies__dfg(u,implies__dfg(not__dfg(v),w)),x))
    | is_a_theorem(implies__dfg(v,x)) ),
    inference(res,[status(thm),theory(equality)],[127,1]),
    [iquote('0:Res:127.0,1.1')] ).

cnf(173,plain,
    ( ~ is_a_theorem(implies__dfg(u,implies__dfg(not__dfg(v),v)))
    | is_a_theorem(implies__dfg(implies__dfg(v,w),implies__dfg(u,w))) ),
    inference(res,[status(thm),theory(equality)],[111,1]),
    [iquote('0:Res:111.0,1.1')] ).

cnf(230,plain,
    is_a_theorem(implies__dfg(u,implies__dfg(implies__dfg(u,v),implies__dfg(w,v)))),
    inference(sor,[status(thm)],[168,111]),
    [iquote('0:SoR:168.0,111.0')] ).

cnf(246,plain,
    ( ~ is_a_theorem(u)
    | is_a_theorem(implies__dfg(implies__dfg(u,v),implies__dfg(w,v))) ),
    inference(res,[status(thm),theory(equality)],[230,1]),
    [iquote('0:Res:230.0,1.1')] ).

cnf(268,plain,
    ( ~ is_a_theorem(u)
    | ~ is_a_theorem(implies__dfg(u,v))
    | is_a_theorem(implies__dfg(w,v)) ),
    inference(res,[status(thm),theory(equality)],[246,1]),
    [iquote('0:Res:246.1,1.1')] ).

cnf(310,plain,
    ( ~ is_a_theorem(implies__dfg(implies__dfg(not__dfg(u),v),w))
    | is_a_theorem(implies__dfg(x,implies__dfg(u,w))) ),
    inference(sor,[status(thm)],[268,18]),
    [iquote('0:SoR:268.1,18.0')] ).

cnf(386,plain,
    is_a_theorem(implies__dfg(implies__dfg(implies__dfg(not__dfg(not__dfg(u)),v),u),u)),
    inference(sor,[status(thm)],[79,3]),
    [iquote('0:SoR:79.0,3.0')] ).

cnf(399,plain,
    is_a_theorem(implies__dfg(implies__dfg(implies__dfg(not__dfg(implies__dfg(not__dfg(not__dfg(u)),v)),w),u),u)),
    inference(sor,[status(thm)],[79,386]),
    [iquote('0:SoR:79.0,386.0')] ).

cnf(508,plain,
    ( ~ is_a_theorem(implies__dfg(implies__dfg(not__dfg(implies__dfg(not__dfg(not__dfg(u)),v)),w),u))
    | is_a_theorem(u) ),
    inference(res,[status(thm),theory(equality)],[399,1]),
    [iquote('0:Res:399.0,1.1')] ).

cnf(1288,plain,
    is_a_theorem(implies__dfg(u,implies__dfg(implies__dfg(not__dfg(v),v),v))),
    inference(sor,[status(thm)],[310,61]),
    [iquote('0:SoR:310.0,61.0')] ).

cnf(1289,plain,
    is_a_theorem(implies__dfg(u,implies__dfg(v,v))),
    inference(sor,[status(thm)],[310,3]),
    [iquote('0:SoR:310.0,3.0')] ).

cnf(1311,plain,
    is_a_theorem(implies__dfg(implies__dfg(implies__dfg(u,u),v),implies__dfg(w,v))),
    inference(sor,[status(thm)],[13,1289]),
    [iquote('0:SoR:13.0,1289.0')] ).

cnf(1378,plain,
    is_a_theorem(implies__dfg(implies__dfg(implies__dfg(implies__dfg(not__dfg(u),u),u),v),implies__dfg(w,v))),
    inference(sor,[status(thm)],[13,1288]),
    [iquote('0:SoR:13.0,1288.0')] ).

cnf(1472,plain,
    ( ~ is_a_theorem(implies__dfg(implies__dfg(u,u),v))
    | is_a_theorem(implies__dfg(w,v)) ),
    inference(res,[status(thm),theory(equality)],[1311,1]),
    [iquote('0:Res:1311.0,1.1')] ).

cnf(2168,plain,
    is_a_theorem(implies__dfg(implies__dfg(u,implies__dfg(not__dfg(v),v)),implies__dfg(w,implies__dfg(u,v)))),
    inference(sor,[status(thm)],[35,1378]),
    [iquote('0:SoR:35.0,1378.0')] ).

cnf(2211,plain,
    is_a_theorem(implies__dfg(implies__dfg(u,v),implies__dfg(implies__dfg(implies__dfg(w,w),u),v))),
    inference(sor,[status(thm)],[173,1311]),
    [iquote('0:SoR:173.0,1311.0')] ).

cnf(2268,plain,
    is_a_theorem(implies__dfg(u,implies__dfg(implies__dfg(implies__dfg(v,v),w),w))),
    inference(sor,[status(thm)],[1472,2211]),
    [iquote('0:SoR:1472.0,2211.0')] ).

cnf(2277,plain,
    is_a_theorem(implies__dfg(implies__dfg(implies__dfg(u,u),v),v)),
    inference(sor,[status(thm)],[508,2268]),
    [iquote('0:SoR:508.0,2268.0')] ).

cnf(2312,plain,
    ( ~ is_a_theorem(implies__dfg(implies__dfg(u,u),v))
    | is_a_theorem(v) ),
    inference(res,[status(thm),theory(equality)],[2277,1]),
    [iquote('0:Res:2277.0,1.1')] ).

cnf(3599,plain,
    is_a_theorem(implies__dfg(u,implies__dfg(v,implies__dfg(w,u)))),
    inference(sor,[status(thm)],[168,2168]),
    [iquote('0:SoR:168.0,2168.0')] ).

cnf(3602,plain,
    is_a_theorem(implies__dfg(implies__dfg(implies__dfg(u,v),w),implies__dfg(v,w))),
    inference(sor,[status(thm)],[173,3599]),
    [iquote('0:SoR:173.0,3599.0')] ).

cnf(3647,plain,
    is_a_theorem(implies__dfg(u,implies__dfg(v,u))),
    inference(sor,[status(thm)],[2312,3602]),
    [iquote('0:SoR:2312.0,3602.0')] ).

cnf(3656,plain,
    $false,
    inference(unc,[status(thm)],[3647,5]),
    [iquote('0:UnC:3647.0,5.0')] ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.07/0.12  % Problem  : LCL367-1 : TPTP v8.1.0. Released v2.3.0.
% 0.07/0.13  % Command  : run_spass %d %s
% 0.13/0.34  % Computer : n024.cluster.edu
% 0.13/0.34  % Model    : x86_64 x86_64
% 0.13/0.34  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.13/0.34  % Memory   : 8042.1875MB
% 0.13/0.34  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.13/0.34  % CPULimit : 300
% 0.13/0.34  % WCLimit  : 600
% 0.13/0.34  % DateTime : Mon Jul  4 20:11:14 EDT 2022
% 0.13/0.34  % CPUTime  : 
% 1.04/1.22  
% 1.04/1.22  SPASS V 3.9 
% 1.04/1.22  SPASS beiseite: Proof found.
% 1.04/1.22  % SZS status Theorem
% 1.04/1.22  Problem: /export/starexec/sandbox/benchmark/theBenchmark.p 
% 1.04/1.22  SPASS derived 3616 clauses, backtracked 0 clauses, performed 0 splits and kept 1419 clauses.
% 1.04/1.22  SPASS allocated 80929 KBytes.
% 1.04/1.22  SPASS spent	0:00:00.84 on the problem.
% 1.04/1.22  		0:00:00.04 for the input.
% 1.04/1.22  		0:00:00.00 for the FLOTTER CNF translation.
% 1.04/1.22  		0:00:00.08 for inferences.
% 1.04/1.22  		0:00:00.00 for the backtracking.
% 1.04/1.22  		0:00:00.69 for the reduction.
% 1.04/1.22  
% 1.04/1.22  
% 1.04/1.22  Here is a proof with depth 18, length 43 :
% 1.04/1.22  % SZS output start Refutation
% See solution above
% 1.04/1.22  Formulae used in the proof : condensed_detachment cn_1 cn_2 cn_3 prove_cn_17
% 1.04/1.22  
%------------------------------------------------------------------------------