TSTP Solution File: LCL044-1 by SPASS---3.9

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : SPASS---3.9
% Problem  : LCL044-1 : TPTP v8.1.0. Released v1.0.0.
% Transfm  : none
% Format   : tptp
% Command  : run_spass %d %s

% Computer : n003.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 14:34:14 EDT 2022

% Result   : Unsatisfiable 1.11s 1.29s
% Output   : Refutation 1.11s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   17
%            Number of leaves      :    7
% Syntax   : Number of clauses     :   41 (  24 unt;   0 nHn;  41 RR)
%            Number of literals    :   61 (   0 equ;  21 neg)
%            Maximal clause size   :    3 (   1 avg)
%            Maximal term depth    :    7 (   2 avg)
%            Number of predicates  :    2 (   1 usr;   1 prp; 0-1 aty)
%            Number of functors    :    6 (   6 usr;   4 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('LCL044-1.p',unknown),
    [] ).

cnf(2,axiom,
    is_a_theorem(implies__dfg(u,implies__dfg(not__dfg(u),v))),
    file('LCL044-1.p',unknown),
    [] ).

cnf(3,axiom,
    is_a_theorem(implies__dfg(u,implies__dfg(v,u))),
    file('LCL044-1.p',unknown),
    [] ).

cnf(4,axiom,
    is_a_theorem(implies__dfg(implies__dfg(u,implies__dfg(v,w)),implies__dfg(v,implies__dfg(u,w)))),
    file('LCL044-1.p',unknown),
    [] ).

cnf(5,axiom,
    is_a_theorem(implies__dfg(implies__dfg(u,v),implies__dfg(implies__dfg(w,u),implies__dfg(w,v)))),
    file('LCL044-1.p',unknown),
    [] ).

cnf(6,axiom,
    is_a_theorem(implies__dfg(implies__dfg(u,v),implies__dfg(implies__dfg(not__dfg(u),v),v))),
    file('LCL044-1.p',unknown),
    [] ).

cnf(7,axiom,
    ~ is_a_theorem(implies__dfg(a,not__dfg(not__dfg(a)))),
    file('LCL044-1.p',unknown),
    [] ).

cnf(15,plain,
    ( ~ is_a_theorem(u)
    | is_a_theorem(implies__dfg(v,u)) ),
    inference(res,[status(thm),theory(equality)],[3,1]),
    [iquote('0:Res:3.0,1.1')] ).

cnf(16,plain,
    ( ~ is_a_theorem(u)
    | is_a_theorem(implies__dfg(not__dfg(u),v)) ),
    inference(res,[status(thm),theory(equality)],[2,1]),
    [iquote('0:Res:2.0,1.1')] ).

cnf(17,plain,
    ( ~ is_a_theorem(implies__dfg(u,v))
    | is_a_theorem(implies__dfg(implies__dfg(not__dfg(u),v),v)) ),
    inference(res,[status(thm),theory(equality)],[6,1]),
    [iquote('0:Res:6.0,1.1')] ).

cnf(21,plain,
    ( ~ is_a_theorem(implies__dfg(u,implies__dfg(v,w)))
    | is_a_theorem(implies__dfg(v,implies__dfg(u,w))) ),
    inference(res,[status(thm),theory(equality)],[4,1]),
    [iquote('0:Res:4.0,1.1')] ).

cnf(22,plain,
    ( ~ is_a_theorem(u)
    | is_a_theorem(implies__dfg(implies__dfg(not__dfg(not__dfg(u)),v),v)) ),
    inference(sor,[status(thm)],[17,16]),
    [iquote('0:SoR:17.0,16.1')] ).

cnf(27,plain,
    is_a_theorem(implies__dfg(implies__dfg(not__dfg(u),implies__dfg(v,u)),implies__dfg(v,u))),
    inference(sor,[status(thm)],[17,3]),
    [iquote('0:SoR:17.0,3.0')] ).

cnf(29,plain,
    ( ~ is_a_theorem(u)
    | ~ is_a_theorem(implies__dfg(not__dfg(not__dfg(u)),v))
    | is_a_theorem(v) ),
    inference(res,[status(thm),theory(equality)],[22,1]),
    [iquote('0:Res:22.1,1.1')] ).

cnf(31,plain,
    ( ~ is_a_theorem(implies__dfg(not__dfg(u),implies__dfg(v,u)))
    | is_a_theorem(implies__dfg(v,u)) ),
    inference(res,[status(thm),theory(equality)],[27,1]),
    [iquote('0:Res:27.0,1.1')] ).

cnf(37,plain,
    ( ~ is_a_theorem(implies__dfg(u,v))
    | is_a_theorem(implies__dfg(implies__dfg(w,u),implies__dfg(w,v))) ),
    inference(res,[status(thm),theory(equality)],[5,1]),
    [iquote('0:Res:5.0,1.1')] ).

cnf(52,plain,
    ( ~ is_a_theorem(implies__dfg(u,v))
    | is_a_theorem(implies__dfg(u,implies__dfg(w,v))) ),
    inference(sor,[status(thm)],[21,15]),
    [iquote('0:SoR:21.0,15.1')] ).

cnf(56,plain,
    is_a_theorem(implies__dfg(implies__dfg(not__dfg(u),v),implies__dfg(implies__dfg(u,v),v))),
    inference(sor,[status(thm)],[21,6]),
    [iquote('0:SoR:21.0,6.0')] ).

cnf(57,plain,
    is_a_theorem(implies__dfg(not__dfg(u),implies__dfg(u,v))),
    inference(sor,[status(thm)],[21,2]),
    [iquote('0:SoR:21.0,2.0')] ).

cnf(58,plain,
    is_a_theorem(implies__dfg(u,implies__dfg(v,v))),
    inference(sor,[status(thm)],[21,3]),
    [iquote('0:SoR:21.0,3.0')] ).

cnf(61,plain,
    ( ~ is_a_theorem(u)
    | is_a_theorem(implies__dfg(v,v)) ),
    inference(sor,[status(thm)],[29,58]),
    [iquote('0:SoR:29.1,58.0')] ).

cnf(73,plain,
    is_a_theorem(implies__dfg(u,u)),
    inference(ems,[status(thm)],[61,57]),
    [iquote('0:EmS:61.0,57.0')] ).

cnf(81,plain,
    is_a_theorem(implies__dfg(u,implies__dfg(implies__dfg(u,v),v))),
    inference(sor,[status(thm)],[21,73]),
    [iquote('0:SoR:21.0,73.0')] ).

cnf(90,plain,
    is_a_theorem(implies__dfg(implies__dfg(u,not__dfg(v)),implies__dfg(u,implies__dfg(v,w)))),
    inference(sor,[status(thm)],[37,57]),
    [iquote('0:SoR:37.0,57.0')] ).

cnf(96,plain,
    is_a_theorem(implies__dfg(implies__dfg(u,v),implies__dfg(u,implies__dfg(not__dfg(v),w)))),
    inference(sor,[status(thm)],[37,2]),
    [iquote('0:SoR:37.0,2.0')] ).

cnf(113,plain,
    ( ~ is_a_theorem(u)
    | is_a_theorem(implies__dfg(implies__dfg(u,v),v)) ),
    inference(res,[status(thm),theory(equality)],[81,1]),
    [iquote('0:Res:81.0,1.1')] ).

cnf(125,plain,
    ( ~ is_a_theorem(u)
    | ~ is_a_theorem(implies__dfg(u,v))
    | is_a_theorem(v) ),
    inference(res,[status(thm),theory(equality)],[113,1]),
    [iquote('0:Res:113.1,1.1')] ).

cnf(235,plain,
    ( ~ is_a_theorem(implies__dfg(not__dfg(u),v))
    | is_a_theorem(implies__dfg(implies__dfg(u,v),v)) ),
    inference(sor,[status(thm)],[125,56]),
    [iquote('0:SoR:125.1,56.0')] ).

cnf(276,plain,
    ( ~ is_a_theorem(implies__dfg(u,v))
    | is_a_theorem(implies__dfg(u,implies__dfg(not__dfg(v),w))) ),
    inference(sor,[status(thm)],[125,96]),
    [iquote('0:SoR:125.1,96.0')] ).

cnf(618,plain,
    is_a_theorem(implies__dfg(not__dfg(not__dfg(u)),u)),
    inference(sor,[status(thm)],[31,2]),
    [iquote('0:SoR:31.0,2.0')] ).

cnf(621,plain,
    is_a_theorem(implies__dfg(not__dfg(not__dfg(u)),implies__dfg(v,u))),
    inference(sor,[status(thm)],[52,618]),
    [iquote('0:SoR:52.0,618.0')] ).

cnf(634,plain,
    is_a_theorem(implies__dfg(u,implies__dfg(not__dfg(not__dfg(v)),v))),
    inference(sor,[status(thm)],[21,621]),
    [iquote('0:SoR:21.0,621.0')] ).

cnf(1475,plain,
    is_a_theorem(implies__dfg(implies__dfg(u,implies__dfg(u,v)),implies__dfg(u,v))),
    inference(sor,[status(thm)],[235,57]),
    [iquote('0:SoR:235.0,57.0')] ).

cnf(1526,plain,
    ( ~ is_a_theorem(implies__dfg(u,implies__dfg(u,v)))
    | is_a_theorem(implies__dfg(u,v)) ),
    inference(sor,[status(thm)],[125,1475]),
    [iquote('0:SoR:125.1,1475.0')] ).

cnf(1757,plain,
    is_a_theorem(implies__dfg(u,implies__dfg(not__dfg(implies__dfg(not__dfg(not__dfg(v)),v)),w))),
    inference(sor,[status(thm)],[276,634]),
    [iquote('0:SoR:276.0,634.0')] ).

cnf(2799,plain,
    is_a_theorem(implies__dfg(not__dfg(implies__dfg(not__dfg(not__dfg(u)),u)),v)),
    inference(sor,[status(thm)],[1526,1757]),
    [iquote('0:SoR:1526.0,1757.0')] ).

cnf(2831,plain,
    is_a_theorem(implies__dfg(implies__dfg(implies__dfg(not__dfg(not__dfg(u)),u),v),v)),
    inference(sor,[status(thm)],[235,2799]),
    [iquote('0:SoR:235.0,2799.0')] ).

cnf(2879,plain,
    ( ~ is_a_theorem(implies__dfg(implies__dfg(not__dfg(not__dfg(u)),u),v))
    | is_a_theorem(v) ),
    inference(sor,[status(thm)],[125,2831]),
    [iquote('0:SoR:125.1,2831.0')] ).

cnf(4087,plain,
    is_a_theorem(implies__dfg(not__dfg(not__dfg(not__dfg(u))),implies__dfg(u,v))),
    inference(sor,[status(thm)],[2879,90]),
    [iquote('0:SoR:2879.0,90.0')] ).

cnf(4172,plain,
    is_a_theorem(implies__dfg(u,not__dfg(not__dfg(u)))),
    inference(sor,[status(thm)],[31,4087]),
    [iquote('0:SoR:31.0,4087.0')] ).

cnf(4176,plain,
    $false,
    inference(unc,[status(thm)],[4172,7]),
    [iquote('0:UnC:4172.0,7.0')] ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.10/0.11  % Problem  : LCL044-1 : TPTP v8.1.0. Released v1.0.0.
% 0.10/0.12  % Command  : run_spass %d %s
% 0.12/0.33  % Computer : n003.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 : Sun Jul  3 07:37:09 EDT 2022
% 0.12/0.33  % CPUTime  : 
% 1.11/1.29  
% 1.11/1.29  SPASS V 3.9 
% 1.11/1.29  SPASS beiseite: Proof found.
% 1.11/1.29  % SZS status Theorem
% 1.11/1.29  Problem: /export/starexec/sandbox/benchmark/theBenchmark.p 
% 1.11/1.29  SPASS derived 4113 clauses, backtracked 0 clauses, performed 0 splits and kept 1561 clauses.
% 1.11/1.29  SPASS allocated 80422 KBytes.
% 1.11/1.29  SPASS spent	0:00:00.92 on the problem.
% 1.11/1.29  		0:00:00.04 for the input.
% 1.11/1.29  		0:00:00.00 for the FLOTTER CNF translation.
% 1.11/1.29  		0:00:00.11 for inferences.
% 1.11/1.29  		0:00:00.00 for the backtracking.
% 1.11/1.29  		0:00:00.74 for the reduction.
% 1.11/1.29  
% 1.11/1.29  
% 1.11/1.29  Here is a proof with depth 16, length 41 :
% 1.11/1.29  % SZS output start Refutation
% See solution above
% 1.11/1.29  Formulae used in the proof : condensed_detachment cn_3 cn_18 cn_21 cn_22 cn_54 prove_cn_40
% 1.11/1.29  
%------------------------------------------------------------------------------