TSTP Solution File: LCL378-1 by SPASS---3.9

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : SPASS---3.9
% Problem  : LCL378-1 : TPTP v8.1.0. Released v2.3.0.
% Transfm  : none
% Format   : tptp
% Command  : run_spass %d %s

% Computer : n026.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 14:36:33 EDT 2022

% Result   : Unsatisfiable 4.07s 4.26s
% Output   : Refutation 4.07s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   28
%            Number of leaves      :    5
% Syntax   : Number of clauses     :   64 (  40 unt;   0 nHn;  64 RR)
%            Number of literals    :   91 (   0 equ;  28 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('LCL378-1.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('LCL378-1.p',unknown),
    [] ).

cnf(3,axiom,
    is_a_theorem(implies__dfg(implies__dfg(not__dfg(u),u),u)),
    file('LCL378-1.p',unknown),
    [] ).

cnf(4,axiom,
    is_a_theorem(implies__dfg(u,implies__dfg(not__dfg(u),v))),
    file('LCL378-1.p',unknown),
    [] ).

cnf(5,axiom,
    ~ is_a_theorem(implies__dfg(not__dfg(x__dfg),implies__dfg(x__dfg,y__dfg))),
    file('LCL378-1.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(18,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(19,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(20,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(21,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)],[13,19]),
    [iquote('0:SoR:13.0,19.0')] ).

cnf(22,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)],[19,1]),
    [iquote('0:Res:19.0,1.1')] ).

cnf(23,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)],[13,20]),
    [iquote('0:SoR:13.0,20.0')] ).

cnf(24,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)],[20,1]),
    [iquote('0:Res:20.0,1.1')] ).

cnf(31,plain,
    is_a_theorem(implies__dfg(u,u)),
    inference(sor,[status(thm)],[22,3]),
    [iquote('0:SoR:22.0,3.0')] ).

cnf(33,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)],[18,1]),
    [iquote('0:Res:18.0,1.1')] ).

cnf(56,plain,
    is_a_theorem(implies__dfg(implies__dfg(not__dfg(u),u),implies__dfg(not__dfg(u),v))),
    inference(sor,[status(thm)],[24,4]),
    [iquote('0:SoR:24.0,4.0')] ).

cnf(58,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)],[24,3]),
    [iquote('0:SoR:24.0,3.0')] ).

cnf(76,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)],[21,1]),
    [iquote('0:Res:21.0,1.1')] ).

cnf(88,plain,
    ( ~ is_a_theorem(implies__dfg(implies__dfg(implies__dfg(not__dfg(u),u),v),w))
    | is_a_theorem(implies__dfg(implies__dfg(u,v),w)) ),
    inference(res,[status(thm),theory(equality)],[23,1]),
    [iquote('0:Res:23.0,1.1')] ).

cnf(108,plain,
    is_a_theorem(implies__dfg(implies__dfg(u,not__dfg(v)),implies__dfg(v,implies__dfg(u,w)))),
    inference(sor,[status(thm)],[33,19]),
    [iquote('0:SoR:33.0,19.0')] ).

cnf(109,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)],[33,23]),
    [iquote('0:SoR:33.0,23.0')] ).

cnf(111,plain,
    is_a_theorem(implies__dfg(implies__dfg(u,implies__dfg(v,w)),implies__dfg(implies__dfg(x,v),implies__dfg(u,implies__dfg(x,w))))),
    inference(sor,[status(thm)],[33,18]),
    [iquote('0:SoR:33.0,18.0')] ).

cnf(121,plain,
    is_a_theorem(implies__dfg(u,implies__dfg(v,implies__dfg(not__dfg(u),w)))),
    inference(sor,[status(thm)],[22,108]),
    [iquote('0:SoR:22.0,108.0')] ).

cnf(124,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)],[13,121]),
    [iquote('0:SoR:13.0,121.0')] ).

cnf(164,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)],[124,1]),
    [iquote('0:Res:124.0,1.1')] ).

cnf(169,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)],[109,1]),
    [iquote('0:Res:109.0,1.1')] ).

cnf(230,plain,
    is_a_theorem(implies__dfg(u,implies__dfg(implies__dfg(u,v),implies__dfg(w,v)))),
    inference(sor,[status(thm)],[164,109]),
    [iquote('0:SoR:164.0,109.0')] ).

cnf(253,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(269,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)],[253,1]),
    [iquote('0:Res:253.1,1.1')] ).

cnf(306,plain,
    ( ~ is_a_theorem(implies__dfg(u,not__dfg(v)))
    | is_a_theorem(implies__dfg(w,implies__dfg(v,implies__dfg(u,x)))) ),
    inference(sor,[status(thm)],[269,108]),
    [iquote('0:SoR:269.1,108.0')] ).

cnf(311,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)],[269,19]),
    [iquote('0:SoR:269.1,19.0')] ).

cnf(364,plain,
    is_a_theorem(implies__dfg(implies__dfg(implies__dfg(not__dfg(not__dfg(u)),v),u),implies__dfg(not__dfg(u),w))),
    inference(sor,[status(thm)],[76,56]),
    [iquote('0:SoR:76.0,56.0')] ).

cnf(386,plain,
    is_a_theorem(implies__dfg(implies__dfg(implies__dfg(not__dfg(not__dfg(u)),v),u),u)),
    inference(sor,[status(thm)],[76,3]),
    [iquote('0:SoR:76.0,3.0')] ).

cnf(400,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)],[76,386]),
    [iquote('0:SoR:76.0,386.0')] ).

cnf(473,plain,
    ( ~ is_a_theorem(implies__dfg(u,implies__dfg(v,w)))
    | is_a_theorem(implies__dfg(implies__dfg(x,v),implies__dfg(u,implies__dfg(x,w)))) ),
    inference(res,[status(thm),theory(equality)],[111,1]),
    [iquote('0:Res:111.0,1.1')] ).

cnf(492,plain,
    ( ~ is_a_theorem(implies__dfg(implies__dfg(not__dfg(not__dfg(u)),v),u))
    | is_a_theorem(implies__dfg(not__dfg(u),w)) ),
    inference(res,[status(thm),theory(equality)],[364,1]),
    [iquote('0:Res:364.0,1.1')] ).

cnf(518,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)],[400,1]),
    [iquote('0:Res:400.0,1.1')] ).

cnf(1016,plain,
    is_a_theorem(implies__dfg(u,implies__dfg(v,implies__dfg(not__dfg(v),w)))),
    inference(sor,[status(thm)],[306,31]),
    [iquote('0:SoR:306.0,31.0')] ).

cnf(1022,plain,
    is_a_theorem(implies__dfg(not__dfg(implies__dfg(u,implies__dfg(not__dfg(u),v))),w)),
    inference(sor,[status(thm)],[492,1016]),
    [iquote('0:SoR:492.0,1016.0')] ).

cnf(1297,plain,
    is_a_theorem(implies__dfg(u,implies__dfg(implies__dfg(not__dfg(v),v),v))),
    inference(sor,[status(thm)],[311,58]),
    [iquote('0:SoR:311.0,58.0')] ).

cnf(1298,plain,
    is_a_theorem(implies__dfg(u,implies__dfg(v,v))),
    inference(sor,[status(thm)],[311,3]),
    [iquote('0:SoR:311.0,3.0')] ).

cnf(1312,plain,
    is_a_theorem(implies__dfg(implies__dfg(implies__dfg(u,u),v),implies__dfg(w,v))),
    inference(sor,[status(thm)],[13,1298]),
    [iquote('0:SoR:13.0,1298.0')] ).

cnf(1367,plain,
    is_a_theorem(implies__dfg(not__dfg(implies__dfg(implies__dfg(not__dfg(u),u),u)),v)),
    inference(sor,[status(thm)],[492,1297]),
    [iquote('0:SoR:492.0,1297.0')] ).

cnf(1473,plain,
    ( ~ is_a_theorem(implies__dfg(implies__dfg(u,u),v))
    | is_a_theorem(implies__dfg(w,v)) ),
    inference(res,[status(thm),theory(equality)],[1312,1]),
    [iquote('0:Res:1312.0,1.1')] ).

cnf(2214,plain,
    is_a_theorem(implies__dfg(implies__dfg(u,v),implies__dfg(implies__dfg(implies__dfg(w,w),u),v))),
    inference(sor,[status(thm)],[169,1312]),
    [iquote('0:SoR:169.0,1312.0')] ).

cnf(2221,plain,
    ( ~ is_a_theorem(u)
    | is_a_theorem(implies__dfg(implies__dfg(v,w),implies__dfg(implies__dfg(u,v),w))) ),
    inference(sor,[status(thm)],[169,253]),
    [iquote('0:SoR:169.0,253.1')] ).

cnf(2258,plain,
    is_a_theorem(implies__dfg(u,implies__dfg(implies__dfg(implies__dfg(v,v),w),w))),
    inference(sor,[status(thm)],[1473,2214]),
    [iquote('0:SoR:1473.0,2214.0')] ).

cnf(2267,plain,
    is_a_theorem(implies__dfg(implies__dfg(implies__dfg(u,u),v),v)),
    inference(sor,[status(thm)],[518,2258]),
    [iquote('0:SoR:518.0,2258.0')] ).

cnf(2302,plain,
    ( ~ is_a_theorem(implies__dfg(implies__dfg(u,u),v))
    | is_a_theorem(v) ),
    inference(res,[status(thm),theory(equality)],[2267,1]),
    [iquote('0:Res:2267.0,1.1')] ).

cnf(3591,plain,
    ( ~ is_a_theorem(u)
    | is_a_theorem(implies__dfg(implies__dfg(u,v),v)) ),
    inference(sor,[status(thm)],[2302,2221]),
    [iquote('0:SoR:2302.0,2221.1')] ).

cnf(3638,plain,
    ( ~ is_a_theorem(implies__dfg(not__dfg(u),u))
    | is_a_theorem(implies__dfg(implies__dfg(u,v),v)) ),
    inference(sor,[status(thm)],[88,3591]),
    [iquote('0:SoR:88.0,3591.1')] ).

cnf(3648,plain,
    ( ~ is_a_theorem(u)
    | ~ is_a_theorem(implies__dfg(u,v))
    | is_a_theorem(v) ),
    inference(res,[status(thm),theory(equality)],[3591,1]),
    [iquote('0:Res:3591.1,1.1')] ).

cnf(4146,plain,
    is_a_theorem(implies__dfg(implies__dfg(implies__dfg(u,implies__dfg(not__dfg(u),v)),w),w)),
    inference(sor,[status(thm)],[3638,1022]),
    [iquote('0:SoR:3638.0,1022.0')] ).

cnf(4148,plain,
    is_a_theorem(implies__dfg(implies__dfg(implies__dfg(implies__dfg(not__dfg(u),u),u),v),v)),
    inference(sor,[status(thm)],[3638,1367]),
    [iquote('0:SoR:3638.0,1367.0')] ).

cnf(4419,plain,
    ( ~ is_a_theorem(implies__dfg(implies__dfg(u,implies__dfg(not__dfg(u),v)),w))
    | is_a_theorem(w) ),
    inference(sor,[status(thm)],[3648,4146]),
    [iquote('0:SoR:3648.1,4146.0')] ).

cnf(4453,plain,
    is_a_theorem(implies__dfg(implies__dfg(u,implies__dfg(not__dfg(v),v)),implies__dfg(u,v))),
    inference(sor,[status(thm)],[33,4148]),
    [iquote('0:SoR:33.0,4148.0')] ).

cnf(4657,plain,
    is_a_theorem(implies__dfg(implies__dfg(not__dfg(u),v),implies__dfg(implies__dfg(v,u),u))),
    inference(sor,[status(thm)],[33,4453]),
    [iquote('0:SoR:33.0,4453.0')] ).

cnf(4658,plain,
    is_a_theorem(implies__dfg(u,implies__dfg(v,u))),
    inference(sor,[status(thm)],[164,4453]),
    [iquote('0:SoR:164.0,4453.0')] ).

cnf(4670,plain,
    is_a_theorem(implies__dfg(implies__dfg(implies__dfg(u,v),w),implies__dfg(v,w))),
    inference(sor,[status(thm)],[13,4658]),
    [iquote('0:SoR:13.0,4658.0')] ).

cnf(4806,plain,
    ( ~ is_a_theorem(implies__dfg(implies__dfg(u,v),w))
    | is_a_theorem(implies__dfg(v,w)) ),
    inference(sor,[status(thm)],[3648,4670]),
    [iquote('0:SoR:3648.1,4670.0')] ).

cnf(5057,plain,
    is_a_theorem(implies__dfg(u,implies__dfg(implies__dfg(u,v),v))),
    inference(sor,[status(thm)],[4806,4657]),
    [iquote('0:SoR:4806.0,4657.0')] ).

cnf(5191,plain,
    is_a_theorem(implies__dfg(implies__dfg(u,implies__dfg(v,w)),implies__dfg(v,implies__dfg(u,w)))),
    inference(sor,[status(thm)],[473,5057]),
    [iquote('0:SoR:473.0,5057.0')] ).

cnf(10582,plain,
    is_a_theorem(implies__dfg(not__dfg(u),implies__dfg(u,v))),
    inference(sor,[status(thm)],[4419,5191]),
    [iquote('0:SoR:4419.0,5191.0')] ).

cnf(10587,plain,
    $false,
    inference(unc,[status(thm)],[10582,5]),
    [iquote('0:UnC:10582.0,5.0')] ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.03/0.12  % Problem  : LCL378-1 : TPTP v8.1.0. Released v2.3.0.
% 0.03/0.13  % Command  : run_spass %d %s
% 0.14/0.34  % Computer : n026.cluster.edu
% 0.14/0.34  % Model    : x86_64 x86_64
% 0.14/0.34  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.14/0.34  % Memory   : 8042.1875MB
% 0.14/0.34  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.14/0.34  % CPULimit : 300
% 0.14/0.34  % WCLimit  : 600
% 0.14/0.34  % DateTime : Sat Jul  2 11:22:20 EDT 2022
% 0.14/0.35  % CPUTime  : 
% 4.07/4.26  
% 4.07/4.26  SPASS V 3.9 
% 4.07/4.26  SPASS beiseite: Proof found.
% 4.07/4.26  % SZS status Theorem
% 4.07/4.26  Problem: /export/starexec/sandbox/benchmark/theBenchmark.p 
% 4.07/4.26  SPASS derived 10510 clauses, backtracked 0 clauses, performed 0 splits and kept 3837 clauses.
% 4.07/4.26  SPASS allocated 88808 KBytes.
% 4.07/4.26  SPASS spent	0:00:03.90 on the problem.
% 4.07/4.26  		0:00:00.04 for the input.
% 4.07/4.26  		0:00:00.00 for the FLOTTER CNF translation.
% 4.07/4.26  		0:00:00.21 for inferences.
% 4.07/4.26  		0:00:00.00 for the backtracking.
% 4.07/4.26  		0:00:03.60 for the reduction.
% 4.07/4.26  
% 4.07/4.26  
% 4.07/4.26  Here is a proof with depth 27, length 64 :
% 4.07/4.26  % SZS output start Refutation
% See solution above
% 4.07/4.26  Formulae used in the proof : condensed_detachment cn_1 cn_2 cn_3 prove_cn_36
% 4.18/4.36  
%------------------------------------------------------------------------------