TSTP Solution File: LCL069-1 by SPASS---3.9

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : SPASS---3.9
% Problem  : LCL069-1 : TPTP v8.1.0. Bugfixed v1.2.0.
% Transfm  : none
% Format   : tptp
% Command  : run_spass %d %s

% Computer : n010.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 14:34:23 EDT 2022

% Result   : Unsatisfiable 1.28s 1.46s
% Output   : Refutation 1.28s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   26
%            Number of leaves      :    5
% Syntax   : Number of clauses     :   68 (  45 unt;   0 nHn;  68 RR)
%            Number of literals    :   92 (   0 equ;  25 neg)
%            Maximal clause size   :    3 (   1 avg)
%            Maximal term depth    :    9 (   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('LCL069-1.p',unknown),
    [] ).

cnf(2,axiom,
    is_a_theorem(implies__dfg(implies__dfg(implies__dfg(u,v),w),implies__dfg(v,w))),
    file('LCL069-1.p',unknown),
    [] ).

cnf(3,axiom,
    is_a_theorem(implies__dfg(implies__dfg(implies__dfg(u,v),w),implies__dfg(not__dfg(u),w))),
    file('LCL069-1.p',unknown),
    [] ).

cnf(4,axiom,
    is_a_theorem(implies__dfg(implies__dfg(not__dfg(u),v),implies__dfg(implies__dfg(w,v),implies__dfg(implies__dfg(u,w),v)))),
    file('LCL069-1.p',unknown),
    [] ).

cnf(5,axiom,
    ~ is_a_theorem(implies__dfg(a,implies__dfg(not__dfg(a),b))),
    file('LCL069-1.p',unknown),
    [] ).

cnf(11,plain,
    ( ~ is_a_theorem(implies__dfg(implies__dfg(u,v),w))
    | is_a_theorem(implies__dfg(v,w)) ),
    inference(res,[status(thm),theory(equality)],[2,1]),
    [iquote('0:Res:2.0,1.1')] ).

cnf(12,plain,
    ( ~ is_a_theorem(implies__dfg(implies__dfg(u,v),w))
    | is_a_theorem(implies__dfg(not__dfg(u),w)) ),
    inference(res,[status(thm),theory(equality)],[3,1]),
    [iquote('0:Res:3.0,1.1')] ).

cnf(13,plain,
    ( ~ is_a_theorem(implies__dfg(not__dfg(u),v))
    | is_a_theorem(implies__dfg(implies__dfg(w,v),implies__dfg(implies__dfg(u,w),v))) ),
    inference(res,[status(thm),theory(equality)],[4,1]),
    [iquote('0:Res:4.0,1.1')] ).

cnf(16,plain,
    is_a_theorem(implies__dfg(u,implies__dfg(v,u))),
    inference(sor,[status(thm)],[11,2]),
    [iquote('0:SoR:11.0,2.0')] ).

cnf(17,plain,
    is_a_theorem(implies__dfg(u,implies__dfg(v,implies__dfg(w,u)))),
    inference(sor,[status(thm)],[11,16]),
    [iquote('0:SoR:11.0,16.0')] ).

cnf(24,plain,
    is_a_theorem(implies__dfg(not__dfg(u),implies__dfg(v,implies__dfg(u,w)))),
    inference(sor,[status(thm)],[12,16]),
    [iquote('0:SoR:12.0,16.0')] ).

cnf(26,plain,
    is_a_theorem(implies__dfg(not__dfg(implies__dfg(u,v)),implies__dfg(not__dfg(u),w))),
    inference(sor,[status(thm)],[12,3]),
    [iquote('0:SoR:12.0,3.0')] ).

cnf(27,plain,
    is_a_theorem(implies__dfg(not__dfg(implies__dfg(u,v)),implies__dfg(v,w))),
    inference(sor,[status(thm)],[12,2]),
    [iquote('0:SoR:12.0,2.0')] ).

cnf(29,plain,
    is_a_theorem(implies__dfg(u,implies__dfg(v,implies__dfg(w,implies__dfg(x,u))))),
    inference(sor,[status(thm)],[11,17]),
    [iquote('0:SoR:11.0,17.0')] ).

cnf(34,plain,
    is_a_theorem(implies__dfg(implies__dfg(u,implies__dfg(v,w)),implies__dfg(implies__dfg(implies__dfg(x,v),u),implies__dfg(v,w)))),
    inference(sor,[status(thm)],[13,27]),
    [iquote('0:SoR:13.0,27.0')] ).

cnf(35,plain,
    is_a_theorem(implies__dfg(implies__dfg(u,implies__dfg(v,implies__dfg(w,x))),implies__dfg(implies__dfg(w,u),implies__dfg(v,implies__dfg(w,x))))),
    inference(sor,[status(thm)],[13,24]),
    [iquote('0:SoR:13.0,24.0')] ).

cnf(36,plain,
    is_a_theorem(implies__dfg(implies__dfg(u,implies__dfg(v,implies__dfg(w,not__dfg(x)))),implies__dfg(implies__dfg(x,u),implies__dfg(v,implies__dfg(w,not__dfg(x)))))),
    inference(sor,[status(thm)],[13,17]),
    [iquote('0:SoR:13.0,17.0')] ).

cnf(37,plain,
    is_a_theorem(implies__dfg(implies__dfg(u,implies__dfg(v,not__dfg(w))),implies__dfg(implies__dfg(w,u),implies__dfg(v,not__dfg(w))))),
    inference(sor,[status(thm)],[13,16]),
    [iquote('0:SoR:13.0,16.0')] ).

cnf(72,plain,
    ( ~ is_a_theorem(implies__dfg(u,implies__dfg(v,not__dfg(w))))
    | is_a_theorem(implies__dfg(implies__dfg(w,u),implies__dfg(v,not__dfg(w)))) ),
    inference(res,[status(thm),theory(equality)],[37,1]),
    [iquote('0:Res:37.0,1.1')] ).

cnf(81,plain,
    ( ~ is_a_theorem(implies__dfg(u,implies__dfg(v,w)))
    | is_a_theorem(implies__dfg(implies__dfg(implies__dfg(x,v),u),implies__dfg(v,w))) ),
    inference(res,[status(thm),theory(equality)],[34,1]),
    [iquote('0:Res:34.0,1.1')] ).

cnf(103,plain,
    is_a_theorem(implies__dfg(implies__dfg(u,not__dfg(implies__dfg(v,w))),implies__dfg(not__dfg(v),not__dfg(u)))),
    inference(sor,[status(thm)],[72,26]),
    [iquote('0:SoR:72.0,26.0')] ).

cnf(106,plain,
    is_a_theorem(implies__dfg(implies__dfg(u,not__dfg(implies__dfg(v,w))),implies__dfg(w,not__dfg(u)))),
    inference(sor,[status(thm)],[72,27]),
    [iquote('0:SoR:72.0,27.0')] ).

cnf(107,plain,
    is_a_theorem(implies__dfg(implies__dfg(u,not__dfg(u)),implies__dfg(v,not__dfg(u)))),
    inference(sor,[status(thm)],[72,16]),
    [iquote('0:SoR:72.0,16.0')] ).

cnf(109,plain,
    is_a_theorem(implies__dfg(implies__dfg(u,implies__dfg(implies__dfg(v,w),not__dfg(u))),implies__dfg(w,not__dfg(u)))),
    inference(sor,[status(thm)],[72,2]),
    [iquote('0:SoR:72.0,2.0')] ).

cnf(115,plain,
    is_a_theorem(implies__dfg(implies__dfg(u,implies__dfg(u,not__dfg(implies__dfg(v,w)))),implies__dfg(w,not__dfg(u)))),
    inference(sor,[status(thm)],[72,106]),
    [iquote('0:SoR:72.0,106.0')] ).

cnf(134,plain,
    is_a_theorem(implies__dfg(implies__dfg(implies__dfg(u,v),not__dfg(w)),implies__dfg(v,implies__dfg(w,x)))),
    inference(sor,[status(thm)],[81,24]),
    [iquote('0:SoR:81.0,24.0')] ).

cnf(162,plain,
    ( ~ is_a_theorem(implies__dfg(u,not__dfg(implies__dfg(v,w))))
    | is_a_theorem(implies__dfg(not__dfg(v),not__dfg(u))) ),
    inference(res,[status(thm),theory(equality)],[103,1]),
    [iquote('0:Res:103.0,1.1')] ).

cnf(177,plain,
    ( ~ is_a_theorem(implies__dfg(implies__dfg(u,v),not__dfg(w)))
    | is_a_theorem(implies__dfg(v,implies__dfg(w,x))) ),
    inference(res,[status(thm),theory(equality)],[134,1]),
    [iquote('0:Res:134.0,1.1')] ).

cnf(207,plain,
    ( ~ is_a_theorem(implies__dfg(u,implies__dfg(v,implies__dfg(w,x))))
    | is_a_theorem(implies__dfg(implies__dfg(w,u),implies__dfg(v,implies__dfg(w,x)))) ),
    inference(res,[status(thm),theory(equality)],[35,1]),
    [iquote('0:Res:35.0,1.1')] ).

cnf(263,plain,
    ( ~ is_a_theorem(implies__dfg(u,implies__dfg(v,implies__dfg(w,not__dfg(x)))))
    | is_a_theorem(implies__dfg(implies__dfg(x,u),implies__dfg(v,implies__dfg(w,not__dfg(x))))) ),
    inference(res,[status(thm),theory(equality)],[36,1]),
    [iquote('0:Res:36.0,1.1')] ).

cnf(270,plain,
    ( ~ is_a_theorem(implies__dfg(u,implies__dfg(implies__dfg(v,w),not__dfg(u))))
    | is_a_theorem(implies__dfg(w,not__dfg(u))) ),
    inference(res,[status(thm),theory(equality)],[109,1]),
    [iquote('0:Res:109.0,1.1')] ).

cnf(277,plain,
    ( ~ is_a_theorem(implies__dfg(u,implies__dfg(u,not__dfg(implies__dfg(v,w)))))
    | is_a_theorem(implies__dfg(w,not__dfg(u))) ),
    inference(res,[status(thm),theory(equality)],[115,1]),
    [iquote('0:Res:115.0,1.1')] ).

cnf(962,plain,
    is_a_theorem(implies__dfg(u,not__dfg(not__dfg(implies__dfg(v,implies__dfg(w,u)))))),
    inference(sor,[status(thm)],[270,27]),
    [iquote('0:SoR:270.0,27.0')] ).

cnf(1131,plain,
    is_a_theorem(implies__dfg(u,not__dfg(implies__dfg(implies__dfg(v,u),not__dfg(implies__dfg(v,u)))))),
    inference(sor,[status(thm)],[277,107]),
    [iquote('0:SoR:277.0,107.0')] ).

cnf(1220,plain,
    is_a_theorem(implies__dfg(implies__dfg(u,v),implies__dfg(w,implies__dfg(u,implies__dfg(x,v))))),
    inference(sor,[status(thm)],[207,29]),
    [iquote('0:SoR:207.0,29.0')] ).

cnf(1222,plain,
    is_a_theorem(implies__dfg(implies__dfg(u,implies__dfg(u,v)),implies__dfg(w,implies__dfg(u,v)))),
    inference(sor,[status(thm)],[207,16]),
    [iquote('0:SoR:207.0,16.0')] ).

cnf(1287,plain,
    is_a_theorem(implies__dfg(not__dfg(implies__dfg(u,v)),not__dfg(v))),
    inference(sor,[status(thm)],[162,1131]),
    [iquote('0:SoR:162.0,1131.0')] ).

cnf(1402,plain,
    ( ~ is_a_theorem(implies__dfg(u,v))
    | is_a_theorem(implies__dfg(w,implies__dfg(u,implies__dfg(x,v)))) ),
    inference(res,[status(thm),theory(equality)],[1220,1]),
    [iquote('0:Res:1220.0,1.1')] ).

cnf(1413,plain,
    ( ~ is_a_theorem(implies__dfg(u,implies__dfg(u,v)))
    | is_a_theorem(implies__dfg(w,implies__dfg(u,v))) ),
    inference(res,[status(thm),theory(equality)],[1222,1]),
    [iquote('0:Res:1222.0,1.1')] ).

cnf(1560,plain,
    is_a_theorem(implies__dfg(implies__dfg(u,not__dfg(v)),implies__dfg(w,implies__dfg(v,not__dfg(u))))),
    inference(sor,[status(thm)],[263,24]),
    [iquote('0:SoR:263.0,24.0')] ).

cnf(1601,plain,
    ( ~ is_a_theorem(implies__dfg(u,not__dfg(v)))
    | is_a_theorem(implies__dfg(w,implies__dfg(v,not__dfg(u)))) ),
    inference(res,[status(thm),theory(equality)],[1560,1]),
    [iquote('0:Res:1560.0,1.1')] ).

cnf(1611,plain,
    is_a_theorem(implies__dfg(u,implies__dfg(not__dfg(implies__dfg(v,implies__dfg(w,x))),not__dfg(x)))),
    inference(sor,[status(thm)],[1601,962]),
    [iquote('0:SoR:1601.0,962.0')] ).

cnf(1662,plain,
    ( ~ is_a_theorem(u)
    | is_a_theorem(implies__dfg(not__dfg(implies__dfg(v,implies__dfg(w,x))),not__dfg(x))) ),
    inference(res,[status(thm),theory(equality)],[1611,1]),
    [iquote('0:Res:1611.0,1.1')] ).

cnf(1713,plain,
    is_a_theorem(implies__dfg(not__dfg(implies__dfg(u,implies__dfg(v,w))),not__dfg(w))),
    inference(ems,[status(thm)],[1662,1287]),
    [iquote('0:EmS:1662.0,1287.0')] ).

cnf(2507,plain,
    is_a_theorem(implies__dfg(u,implies__dfg(implies__dfg(v,not__dfg(v)),not__dfg(v)))),
    inference(sor,[status(thm)],[1413,107]),
    [iquote('0:SoR:1413.0,107.0')] ).

cnf(2514,plain,
    is_a_theorem(implies__dfg(u,implies__dfg(v,v))),
    inference(sor,[status(thm)],[1413,16]),
    [iquote('0:SoR:1413.0,16.0')] ).

cnf(2554,plain,
    ( ~ is_a_theorem(u)
    | is_a_theorem(implies__dfg(v,v)) ),
    inference(res,[status(thm),theory(equality)],[2514,1]),
    [iquote('0:Res:2514.0,1.1')] ).

cnf(2559,plain,
    is_a_theorem(implies__dfg(u,u)),
    inference(ems,[status(thm)],[2554,1713]),
    [iquote('0:EmS:2554.0,1713.0')] ).

cnf(2735,plain,
    is_a_theorem(implies__dfg(u,implies__dfg(v,not__dfg(not__dfg(v))))),
    inference(sor,[status(thm)],[1601,2559]),
    [iquote('0:SoR:1601.0,2559.0')] ).

cnf(2771,plain,
    ( ~ is_a_theorem(u)
    | is_a_theorem(implies__dfg(v,not__dfg(not__dfg(v)))) ),
    inference(res,[status(thm),theory(equality)],[2735,1]),
    [iquote('0:Res:2735.0,1.1')] ).

cnf(2810,plain,
    is_a_theorem(implies__dfg(u,not__dfg(not__dfg(u)))),
    inference(ems,[status(thm)],[2771,1713]),
    [iquote('0:EmS:2771.0,1713.0')] ).

cnf(2977,plain,
    is_a_theorem(implies__dfg(u,implies__dfg(v,implies__dfg(w,not__dfg(not__dfg(v)))))),
    inference(sor,[status(thm)],[1402,2810]),
    [iquote('0:SoR:1402.0,2810.0')] ).

cnf(3125,plain,
    ( ~ is_a_theorem(u)
    | is_a_theorem(implies__dfg(implies__dfg(v,not__dfg(v)),not__dfg(v))) ),
    inference(res,[status(thm),theory(equality)],[2507,1]),
    [iquote('0:Res:2507.0,1.1')] ).

cnf(3177,plain,
    ( ~ is_a_theorem(u)
    | is_a_theorem(implies__dfg(v,implies__dfg(w,not__dfg(not__dfg(v))))) ),
    inference(res,[status(thm),theory(equality)],[2977,1]),
    [iquote('0:Res:2977.0,1.1')] ).

cnf(3308,plain,
    is_a_theorem(implies__dfg(implies__dfg(u,not__dfg(u)),not__dfg(u))),
    inference(ems,[status(thm)],[3125,1713]),
    [iquote('0:EmS:3125.0,1713.0')] ).

cnf(3507,plain,
    ( ~ is_a_theorem(implies__dfg(u,not__dfg(u)))
    | is_a_theorem(not__dfg(u)) ),
    inference(res,[status(thm),theory(equality)],[3308,1]),
    [iquote('0:Res:3308.0,1.1')] ).

cnf(3668,plain,
    is_a_theorem(implies__dfg(u,implies__dfg(v,not__dfg(not__dfg(u))))),
    inference(ems,[status(thm)],[3177,1713]),
    [iquote('0:EmS:3177.0,1713.0')] ).

cnf(3863,plain,
    is_a_theorem(implies__dfg(implies__dfg(not__dfg(u),u),implies__dfg(v,not__dfg(not__dfg(u))))),
    inference(sor,[status(thm)],[72,3668]),
    [iquote('0:SoR:72.0,3668.0')] ).

cnf(3928,plain,
    is_a_theorem(implies__dfg(u,implies__dfg(implies__dfg(not__dfg(v),v),not__dfg(not__dfg(v))))),
    inference(sor,[status(thm)],[1413,3863]),
    [iquote('0:SoR:1413.0,3863.0')] ).

cnf(3935,plain,
    ( ~ is_a_theorem(implies__dfg(not__dfg(u),u))
    | is_a_theorem(implies__dfg(v,not__dfg(not__dfg(u)))) ),
    inference(res,[status(thm),theory(equality)],[3863,1]),
    [iquote('0:Res:3863.0,1.1')] ).

cnf(3963,plain,
    ( ~ is_a_theorem(u)
    | is_a_theorem(implies__dfg(implies__dfg(not__dfg(v),v),not__dfg(not__dfg(v)))) ),
    inference(res,[status(thm),theory(equality)],[3928,1]),
    [iquote('0:Res:3928.0,1.1')] ).

cnf(4143,plain,
    is_a_theorem(implies__dfg(u,not__dfg(not__dfg(implies__dfg(v,v))))),
    inference(sor,[status(thm)],[3935,2514]),
    [iquote('0:SoR:3935.0,2514.0')] ).

cnf(4225,plain,
    is_a_theorem(implies__dfg(u,not__dfg(not__dfg(not__dfg(not__dfg(implies__dfg(v,v))))))),
    inference(sor,[status(thm)],[3935,4143]),
    [iquote('0:SoR:3935.0,4143.0')] ).

cnf(4399,plain,
    is_a_theorem(implies__dfg(u,not__dfg(not__dfg(not__dfg(not__dfg(not__dfg(not__dfg(implies__dfg(v,v))))))))),
    inference(sor,[status(thm)],[3935,4225]),
    [iquote('0:SoR:3935.0,4225.0')] ).

cnf(5646,plain,
    is_a_theorem(not__dfg(not__dfg(not__dfg(not__dfg(not__dfg(not__dfg(implies__dfg(u,u)))))))),
    inference(sor,[status(thm)],[3507,4399]),
    [iquote('0:SoR:3507.0,4399.0')] ).

cnf(5757,plain,
    is_a_theorem(implies__dfg(implies__dfg(not__dfg(u),u),not__dfg(not__dfg(u)))),
    inference(ems,[status(thm)],[3963,5646]),
    [iquote('0:EmS:3963.0,5646.0')] ).

cnf(6050,plain,
    is_a_theorem(implies__dfg(u,implies__dfg(not__dfg(u),v))),
    inference(sor,[status(thm)],[177,5757]),
    [iquote('0:SoR:177.0,5757.0')] ).

cnf(6054,plain,
    $false,
    inference(unc,[status(thm)],[6050,5]),
    [iquote('0:UnC:6050.0,5.0')] ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.06/0.11  % Problem  : LCL069-1 : TPTP v8.1.0. Bugfixed v1.2.0.
% 0.06/0.12  % Command  : run_spass %d %s
% 0.11/0.32  % Computer : n010.cluster.edu
% 0.11/0.32  % Model    : x86_64 x86_64
% 0.11/0.32  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.11/0.32  % Memory   : 8042.1875MB
% 0.11/0.32  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.11/0.32  % CPULimit : 300
% 0.11/0.32  % WCLimit  : 600
% 0.11/0.32  % DateTime : Sat Jul  2 23:28:03 EDT 2022
% 0.11/0.32  % CPUTime  : 
% 1.28/1.46  
% 1.28/1.46  SPASS V 3.9 
% 1.28/1.46  SPASS beiseite: Proof found.
% 1.28/1.46  % SZS status Theorem
% 1.28/1.46  Problem: /export/starexec/sandbox/benchmark/theBenchmark.p 
% 1.28/1.46  SPASS derived 6028 clauses, backtracked 0 clauses, performed 0 splits and kept 1907 clauses.
% 1.28/1.46  SPASS allocated 83933 KBytes.
% 1.28/1.46  SPASS spent	0:00:01.13 on the problem.
% 1.28/1.46  		0:00:00.04 for the input.
% 1.28/1.46  		0:00:00.00 for the FLOTTER CNF translation.
% 1.28/1.46  		0:00:00.12 for inferences.
% 1.28/1.46  		0:00:00.00 for the backtracking.
% 1.28/1.46  		0:00:00.93 for the reduction.
% 1.28/1.46  
% 1.28/1.46  
% 1.28/1.46  Here is a proof with depth 25, length 68 :
% 1.28/1.46  % SZS output start Refutation
% See solution above
% 1.28/1.50  Formulae used in the proof : condensed_detachment cn_19 cn_37 cn_59 prove_cn_3
% 1.28/1.50  
%------------------------------------------------------------------------------