TSTP Solution File: LCL053-1 by SPASS---3.9

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : SPASS---3.9
% Problem  : LCL053-1 : TPTP v8.1.0. Released v1.0.0.
% Transfm  : none
% Format   : tptp
% Command  : run_spass %d %s

% Computer : n006.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 14:34:17 EDT 2022

% Result   : Unsatisfiable 24.82s 25.06s
% Output   : Refutation 25.22s
% 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('LCL053-1.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('LCL053-1.p',unknown),
    [] ).

cnf(3,axiom,
    is_a_theorem(implies__dfg(implies__dfg(not__dfg(u),u),u)),
    file('LCL053-1.p',unknown),
    [] ).

cnf(4,axiom,
    is_a_theorem(implies__dfg(u,implies__dfg(not__dfg(u),v))),
    file('LCL053-1.p',unknown),
    [] ).

cnf(5,axiom,
    ~ is_a_theorem(implies__dfg(implies__dfg(a,implies__dfg(a,b)),implies__dfg(a,b))),
    file('LCL053-1.p',unknown),
    [] ).

cnf(11,plain,
    ( ~ is_a_theorem(implies__dfg(not__dfg(u),u))
    | is_a_theorem(u) ),
    inference(res,[status(thm),theory(equality)],[3,1]),
    [iquote('0:Res:3.0,1.1')] ).

cnf(15,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)],[15,2]),
    [iquote('0:SoR:15.0,2.0')] ).

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)],[15,4]),
    [iquote('0:SoR:15.0,4.0')] ).

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)],[15,3]),
    [iquote('0:SoR:15.0,3.0')] ).

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)],[15,18]),
    [iquote('0:SoR:15.0,18.0')] ).

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)],[15,19]),
    [iquote('0:SoR:15.0,19.0')] ).

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(60,plain,
    is_a_theorem(implies__dfg(implies__dfg(not__dfg(u),u),implies__dfg(not__dfg(u),v))),
    inference(sor,[status(thm)],[23,4]),
    [iquote('0:SoR:23.0,4.0')] ).

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(65,plain,
    ( ~ is_a_theorem(implies__dfg(not__dfg(u),u))
    | is_a_theorem(implies__dfg(not__dfg(u),v)) ),
    inference(res,[status(thm),theory(equality)],[60,1]),
    [iquote('0:Res:60.0,1.1')] ).

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(91,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)],[22,1]),
    [iquote('0:Res:22.0,1.1')] ).

cnf(110,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(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,implies__dfg(v,w)),implies__dfg(implies__dfg(x,v),implies__dfg(u,implies__dfg(x,w))))),
    inference(sor,[status(thm)],[35,17]),
    [iquote('0:SoR:35.0,17.0')] ).

cnf(124,plain,
    is_a_theorem(implies__dfg(u,implies__dfg(v,implies__dfg(not__dfg(u),w)))),
    inference(sor,[status(thm)],[21,110]),
    [iquote('0:SoR:21.0,110.0')] ).

cnf(125,plain,
    ( ~ is_a_theorem(implies__dfg(u,not__dfg(v)))
    | is_a_theorem(implies__dfg(v,implies__dfg(u,w))) ),
    inference(res,[status(thm),theory(equality)],[110,1]),
    [iquote('0:Res:110.0,1.1')] ).

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)],[15,124]),
    [iquote('0:SoR:15.0,124.0')] ).

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(229,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)],[229,1]),
    [iquote('0:Res:229.0,1.1')] ).

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(309,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(354,plain,
    is_a_theorem(implies__dfg(implies__dfg(implies__dfg(not__dfg(not__dfg(implies__dfg(not__dfg(u),u))),v),implies__dfg(not__dfg(u),u)),u)),
    inference(sor,[status(thm)],[79,61]),
    [iquote('0:SoR:79.0,61.0')] ).

cnf(483,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)],[113,1]),
    [iquote('0:Res:113.0,1.1')] ).

cnf(1245,plain,
    is_a_theorem(implies__dfg(u,implies__dfg(implies__dfg(not__dfg(v),v),v))),
    inference(sor,[status(thm)],[309,61]),
    [iquote('0:SoR:309.0,61.0')] ).

cnf(1289,plain,
    is_a_theorem(implies__dfg(u,implies__dfg(v,v))),
    inference(sor,[status(thm)],[309,3]),
    [iquote('0:SoR:309.0,3.0')] ).

cnf(1307,plain,
    is_a_theorem(implies__dfg(implies__dfg(implies__dfg(u,u),v),implies__dfg(w,v))),
    inference(sor,[status(thm)],[15,1289]),
    [iquote('0:SoR:15.0,1289.0')] ).

cnf(1369,plain,
    is_a_theorem(implies__dfg(not__dfg(implies__dfg(implies__dfg(not__dfg(u),u),u)),v)),
    inference(sor,[status(thm)],[65,1245]),
    [iquote('0:SoR:65.0,1245.0')] ).

cnf(1374,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)],[15,1245]),
    [iquote('0:SoR:15.0,1245.0')] ).

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)],[1307,1]),
    [iquote('0:Res:1307.0,1.1')] ).

cnf(2121,plain,
    is_a_theorem(implies__dfg(implies__dfg(not__dfg(u),not__dfg(not__dfg(implies__dfg(not__dfg(u),u)))),u)),
    inference(sor,[status(thm)],[35,354]),
    [iquote('0:SoR:35.0,354.0')] ).

cnf(2166,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)],[35,1374]),
    [iquote('0:SoR:35.0,1374.0')] ).

cnf(2217,plain,
    is_a_theorem(implies__dfg(implies__dfg(u,v),implies__dfg(implies__dfg(implies__dfg(w,w),u),v))),
    inference(sor,[status(thm)],[173,1307]),
    [iquote('0:SoR:173.0,1307.0')] ).

cnf(2223,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)],[173,246]),
    [iquote('0:SoR:173.0,246.1')] ).

cnf(2275,plain,
    is_a_theorem(implies__dfg(u,implies__dfg(implies__dfg(implies__dfg(v,v),w),w))),
    inference(sor,[status(thm)],[1472,2217]),
    [iquote('0:SoR:1472.0,2217.0')] ).

cnf(2282,plain,
    is_a_theorem(implies__dfg(implies__dfg(implies__dfg(u,u),v),v)),
    inference(sor,[status(thm)],[11,2275]),
    [iquote('0:SoR:11.0,2275.0')] ).

cnf(2312,plain,
    ( ~ is_a_theorem(implies__dfg(implies__dfg(u,u),v))
    | is_a_theorem(v) ),
    inference(res,[status(thm),theory(equality)],[2282,1]),
    [iquote('0:Res:2282.0,1.1')] ).

cnf(3593,plain,
    is_a_theorem(implies__dfg(u,implies__dfg(v,implies__dfg(w,u)))),
    inference(sor,[status(thm)],[168,2166]),
    [iquote('0:SoR:168.0,2166.0')] ).

cnf(3602,plain,
    is_a_theorem(implies__dfg(implies__dfg(implies__dfg(u,v),w),implies__dfg(v,w))),
    inference(sor,[status(thm)],[173,3593]),
    [iquote('0:SoR:173.0,3593.0')] ).

cnf(3655,plain,
    ( ~ is_a_theorem(implies__dfg(implies__dfg(u,v),w))
    | is_a_theorem(implies__dfg(v,w)) ),
    inference(res,[status(thm),theory(equality)],[3602,1]),
    [iquote('0:Res:3602.0,1.1')] ).

cnf(4049,plain,
    is_a_theorem(implies__dfg(not__dfg(not__dfg(implies__dfg(not__dfg(u),u))),u)),
    inference(sor,[status(thm)],[3655,2121]),
    [iquote('0:SoR:3655.0,2121.0')] ).

cnf(4166,plain,
    is_a_theorem(implies__dfg(u,implies__dfg(not__dfg(not__dfg(implies__dfg(not__dfg(not__dfg(u)),not__dfg(u)))),v))),
    inference(sor,[status(thm)],[125,4049]),
    [iquote('0:SoR:125.0,4049.0')] ).

cnf(5471,plain,
    ( ~ is_a_theorem(u)
    | is_a_theorem(implies__dfg(implies__dfg(u,v),v)) ),
    inference(sor,[status(thm)],[2312,2223]),
    [iquote('0:SoR:2312.0,2223.1')] ).

cnf(5498,plain,
    ( ~ is_a_theorem(implies__dfg(not__dfg(u),u))
    | is_a_theorem(implies__dfg(implies__dfg(u,v),v)) ),
    inference(sor,[status(thm)],[91,5471]),
    [iquote('0:SoR:91.0,5471.1')] ).

cnf(5506,plain,
    ( ~ is_a_theorem(u)
    | ~ is_a_theorem(implies__dfg(u,v))
    | is_a_theorem(v) ),
    inference(res,[status(thm),theory(equality)],[5471,1]),
    [iquote('0:Res:5471.1,1.1')] ).

cnf(6135,plain,
    is_a_theorem(implies__dfg(implies__dfg(implies__dfg(implies__dfg(not__dfg(u),u),u),v),v)),
    inference(sor,[status(thm)],[5498,1369]),
    [iquote('0:SoR:5498.0,1369.0')] ).

cnf(6363,plain,
    is_a_theorem(implies__dfg(implies__dfg(u,implies__dfg(not__dfg(v),v)),implies__dfg(u,v))),
    inference(sor,[status(thm)],[35,6135]),
    [iquote('0:SoR:35.0,6135.0')] ).

cnf(6997,plain,
    ( ~ is_a_theorem(implies__dfg(u,implies__dfg(not__dfg(v),v)))
    | is_a_theorem(implies__dfg(u,v)) ),
    inference(sor,[status(thm)],[5506,6363]),
    [iquote('0:SoR:5506.1,6363.0')] ).

cnf(8459,plain,
    is_a_theorem(implies__dfg(u,not__dfg(implies__dfg(not__dfg(not__dfg(u)),not__dfg(u))))),
    inference(sor,[status(thm)],[6997,4166]),
    [iquote('0:SoR:6997.0,4166.0')] ).

cnf(8514,plain,
    is_a_theorem(implies__dfg(implies__dfg(not__dfg(not__dfg(u)),not__dfg(u)),implies__dfg(u,v))),
    inference(sor,[status(thm)],[125,8459]),
    [iquote('0:SoR:125.0,8459.0')] ).

cnf(8655,plain,
    is_a_theorem(implies__dfg(not__dfg(u),implies__dfg(u,v))),
    inference(sor,[status(thm)],[21,8514]),
    [iquote('0:SoR:21.0,8514.0')] ).

cnf(8662,plain,
    is_a_theorem(implies__dfg(implies__dfg(u,v),implies__dfg(not__dfg(v),implies__dfg(u,w)))),
    inference(sor,[status(thm)],[483,8655]),
    [iquote('0:SoR:483.0,8655.0')] ).

cnf(21342,plain,
    is_a_theorem(implies__dfg(implies__dfg(u,implies__dfg(u,v)),implies__dfg(u,v))),
    inference(sor,[status(thm)],[6997,8662]),
    [iquote('0:SoR:6997.0,8662.0')] ).

cnf(21383,plain,
    $false,
    inference(unc,[status(thm)],[21342,5]),
    [iquote('0:UnC:21342.0,5.0')] ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.13  % Problem  : LCL053-1 : TPTP v8.1.0. Released v1.0.0.
% 0.12/0.14  % Command  : run_spass %d %s
% 0.12/0.35  % Computer : n006.cluster.edu
% 0.12/0.35  % Model    : x86_64 x86_64
% 0.12/0.35  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.12/0.35  % Memory   : 8042.1875MB
% 0.12/0.35  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.12/0.35  % CPULimit : 300
% 0.12/0.35  % WCLimit  : 600
% 0.12/0.35  % DateTime : Sat Jul  2 11:31:37 EDT 2022
% 0.12/0.36  % CPUTime  : 
% 24.82/25.06  
% 24.82/25.06  SPASS V 3.9 
% 24.82/25.06  SPASS beiseite: Proof found.
% 24.82/25.06  % SZS status Theorem
% 24.82/25.06  Problem: /export/starexec/sandbox/benchmark/theBenchmark.p 
% 24.82/25.06  SPASS derived 21287 clauses, backtracked 0 clauses, performed 0 splits and kept 8484 clauses.
% 24.82/25.06  SPASS allocated 103759 KBytes.
% 24.82/25.06  SPASS spent	0:0:24.67 on the problem.
% 24.82/25.06  		0:00:00.04 for the input.
% 24.82/25.06  		0:00:00.00 for the FLOTTER CNF translation.
% 24.82/25.06  		0:00:00.57 for inferences.
% 24.82/25.06  		0:00:00.00 for the backtracking.
% 24.82/25.06  		0:0:23.89 for the reduction.
% 24.82/25.06  
% 24.82/25.06  
% 24.82/25.06  Here is a proof with depth 27, length 64 :
% 24.82/25.06  % SZS output start Refutation
% See solution above
% 25.22/25.44  Formulae used in the proof : condensed_detachment cn_1 cn_2 cn_3 prove_cn_30
% 25.22/25.44  
%------------------------------------------------------------------------------