TSTP Solution File: LCL185-3 by SPASS---3.9

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : SPASS---3.9
% Problem  : LCL185-3 : TPTP v8.1.0. Released v2.3.0.
% Transfm  : none
% Format   : tptp
% Command  : run_spass %d %s

% Computer : n027.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 14:35:12 EDT 2022

% Result   : Unsatisfiable 1.23s 1.40s
% Output   : Refutation 1.23s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   12
%            Number of leaves      :    9
% Syntax   : Number of clauses     :   38 (  23 unt;   0 nHn;  38 RR)
%            Number of literals    :   55 (   0 equ;  18 neg)
%            Maximal clause size   :    3 (   1 avg)
%            Maximal term depth    :    5 (   2 avg)
%            Number of predicates  :    4 (   3 usr;   1 prp; 0-2 aty)
%            Number of functors    :    8 (   8 usr;   5 con; 0-2 aty)
%            Number of variables   :    0 (   0 sgn)

% Comments : 
%------------------------------------------------------------------------------
cnf(1,axiom,
    ~ theorem(implies__dfg(p,or__dfg(p,q))),
    file('LCL185-3.p',unknown),
    [] ).

cnf(2,axiom,
    axiom(implies__dfg(or__dfg(u,u),u)),
    file('LCL185-3.p',unknown),
    [] ).

cnf(3,axiom,
    axiom(implies__dfg(u,or__dfg(v,u))),
    file('LCL185-3.p',unknown),
    [] ).

cnf(4,axiom,
    axiom(implies__dfg(or__dfg(u,v),or__dfg(v,u))),
    file('LCL185-3.p',unknown),
    [] ).

cnf(5,axiom,
    axiom(implies__dfg(or__dfg(u,or__dfg(v,w)),or__dfg(v,or__dfg(u,w)))),
    file('LCL185-3.p',unknown),
    [] ).

cnf(6,axiom,
    axiom(implies__dfg(implies__dfg(u,v),implies__dfg(or__dfg(w,u),or__dfg(w,v)))),
    file('LCL185-3.p',unknown),
    [] ).

cnf(7,axiom,
    equal(or__dfg(not__dfg(u),v),implies__dfg(u,v)),
    file('LCL185-3.p',unknown),
    [] ).

cnf(8,axiom,
    ( ~ axiom(u)
    | theorem(u) ),
    file('LCL185-3.p',unknown),
    [] ).

cnf(9,axiom,
    ( ~ theorem(u)
    | ~ theorem(implies__dfg(u,v))
    | theorem(v) ),
    file('LCL185-3.p',unknown),
    [] ).

cnf(16,plain,
    axiom(implies__dfg(or__dfg(u,not__dfg(v)),implies__dfg(v,u))),
    inference(spr,[status(thm),theory(equality)],[7,4]),
    [iquote('0:SpR:7.0,4.0')] ).

cnf(17,plain,
    axiom(implies__dfg(implies__dfg(u,v),or__dfg(v,not__dfg(u)))),
    inference(spr,[status(thm),theory(equality)],[7,4]),
    [iquote('0:SpR:7.0,4.0')] ).

cnf(18,plain,
    ( ~ axiom(implies__dfg(u,v))
    | ~ theorem(u)
    | theorem(v) ),
    inference(res,[status(thm),theory(equality)],[8,9]),
    [iquote('0:Res:8.1,9.1')] ).

cnf(22,plain,
    ( ~ theorem(implies__dfg(u,v))
    | theorem(or__dfg(v,not__dfg(u))) ),
    inference(sor,[status(thm)],[18,17]),
    [iquote('0:SoR:18.0,17.0')] ).

cnf(25,plain,
    ( ~ theorem(u)
    | theorem(or__dfg(v,u)) ),
    inference(sor,[status(thm)],[18,3]),
    [iquote('0:SoR:18.0,3.0')] ).

cnf(26,plain,
    ( ~ theorem(or__dfg(u,not__dfg(v)))
    | theorem(implies__dfg(v,u)) ),
    inference(sor,[status(thm)],[18,16]),
    [iquote('0:SoR:18.0,16.0')] ).

cnf(27,plain,
    ( ~ theorem(or__dfg(u,u))
    | theorem(u) ),
    inference(sor,[status(thm)],[18,2]),
    [iquote('0:SoR:18.0,2.0')] ).

cnf(30,plain,
    ( ~ theorem(or__dfg(u,or__dfg(v,w)))
    | theorem(or__dfg(v,or__dfg(u,w))) ),
    inference(sor,[status(thm)],[18,5]),
    [iquote('0:SoR:18.0,5.0')] ).

cnf(31,plain,
    axiom(implies__dfg(or__dfg(not__dfg(u),or__dfg(v,w)),or__dfg(v,implies__dfg(u,w)))),
    inference(spr,[status(thm),theory(equality)],[7,5]),
    [iquote('0:SpR:7.0,5.0')] ).

cnf(32,plain,
    axiom(implies__dfg(or__dfg(u,or__dfg(not__dfg(v),w)),implies__dfg(v,or__dfg(u,w)))),
    inference(spr,[status(thm),theory(equality)],[7,5]),
    [iquote('0:SpR:7.0,5.0')] ).

cnf(35,plain,
    axiom(implies__dfg(implies__dfg(u,or__dfg(v,w)),or__dfg(v,implies__dfg(u,w)))),
    inference(rew,[status(thm),theory(equality)],[7,31]),
    [iquote('0:Rew:7.0,31.0')] ).

cnf(36,plain,
    axiom(implies__dfg(or__dfg(u,implies__dfg(v,w)),implies__dfg(v,or__dfg(u,w)))),
    inference(rew,[status(thm),theory(equality)],[7,32]),
    [iquote('0:Rew:7.0,32.0')] ).

cnf(43,plain,
    ( ~ theorem(implies__dfg(u,v))
    | theorem(implies__dfg(or__dfg(w,u),or__dfg(w,v))) ),
    inference(sor,[status(thm)],[18,6]),
    [iquote('0:SoR:18.0,6.0')] ).

cnf(52,plain,
    ( ~ theorem(implies__dfg(u,or__dfg(v,w)))
    | theorem(or__dfg(v,implies__dfg(u,w))) ),
    inference(sor,[status(thm)],[18,35]),
    [iquote('0:SoR:18.0,35.0')] ).

cnf(64,plain,
    ( ~ theorem(or__dfg(u,implies__dfg(v,w)))
    | theorem(implies__dfg(v,or__dfg(u,w))) ),
    inference(sor,[status(thm)],[18,36]),
    [iquote('0:SoR:18.0,36.0')] ).

cnf(73,plain,
    ( ~ axiom(implies__dfg(u,v))
    | theorem(or__dfg(v,not__dfg(u))) ),
    inference(sor,[status(thm)],[22,8]),
    [iquote('0:SoR:22.0,8.1')] ).

cnf(86,plain,
    theorem(or__dfg(or__dfg(u,v),not__dfg(v))),
    inference(sor,[status(thm)],[73,3]),
    [iquote('0:SoR:73.0,3.0')] ).

cnf(99,plain,
    theorem(implies__dfg(u,or__dfg(v,u))),
    inference(sor,[status(thm)],[26,86]),
    [iquote('0:SoR:26.0,86.0')] ).

cnf(106,plain,
    ( ~ theorem(or__dfg(u,v))
    | theorem(or__dfg(u,or__dfg(w,v))) ),
    inference(sor,[status(thm)],[30,25]),
    [iquote('0:SoR:30.0,25.1')] ).

cnf(130,plain,
    ( ~ axiom(implies__dfg(u,v))
    | theorem(implies__dfg(or__dfg(w,u),or__dfg(w,v))) ),
    inference(sor,[status(thm)],[43,8]),
    [iquote('0:SoR:43.0,8.1')] ).

cnf(149,plain,
    theorem(or__dfg(u,implies__dfg(v,v))),
    inference(sor,[status(thm)],[52,99]),
    [iquote('0:SoR:52.0,99.0')] ).

cnf(152,plain,
    theorem(implies__dfg(u,u)),
    inference(sor,[status(thm)],[27,149]),
    [iquote('0:SoR:27.0,149.0')] ).

cnf(156,plain,
    theorem(or__dfg(u,not__dfg(u))),
    inference(sor,[status(thm)],[22,152]),
    [iquote('0:SoR:22.0,152.0')] ).

cnf(270,plain,
    theorem(or__dfg(u,or__dfg(v,not__dfg(u)))),
    inference(sor,[status(thm)],[106,156]),
    [iquote('0:SoR:106.0,156.0')] ).

cnf(538,plain,
    theorem(implies__dfg(or__dfg(u,or__dfg(v,not__dfg(w))),or__dfg(u,implies__dfg(w,v)))),
    inference(sor,[status(thm)],[130,16]),
    [iquote('0:SoR:130.0,16.0')] ).

cnf(1540,plain,
    ( ~ theorem(or__dfg(u,or__dfg(v,not__dfg(w))))
    | theorem(or__dfg(u,implies__dfg(w,v))) ),
    inference(res,[status(thm),theory(equality)],[538,9]),
    [iquote('0:Res:538.0,9.1')] ).

cnf(4398,plain,
    theorem(or__dfg(u,implies__dfg(u,v))),
    inference(sor,[status(thm)],[1540,270]),
    [iquote('0:SoR:1540.0,270.0')] ).

cnf(4418,plain,
    theorem(implies__dfg(u,or__dfg(u,v))),
    inference(sor,[status(thm)],[64,4398]),
    [iquote('0:SoR:64.0,4398.0')] ).

cnf(4420,plain,
    $false,
    inference(unc,[status(thm)],[4418,1]),
    [iquote('0:UnC:4418.0,1.0')] ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.07/0.11  % Problem  : LCL185-3 : TPTP v8.1.0. Released v2.3.0.
% 0.07/0.12  % Command  : run_spass %d %s
% 0.11/0.33  % Computer : n027.cluster.edu
% 0.11/0.33  % Model    : x86_64 x86_64
% 0.11/0.33  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.11/0.33  % Memory   : 8042.1875MB
% 0.11/0.33  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.11/0.33  % CPULimit : 300
% 0.11/0.33  % WCLimit  : 600
% 0.11/0.33  % DateTime : Sun Jul  3 20:35:25 EDT 2022
% 0.11/0.33  % CPUTime  : 
% 1.23/1.40  
% 1.23/1.40  SPASS V 3.9 
% 1.23/1.40  SPASS beiseite: Proof found.
% 1.23/1.40  % SZS status Theorem
% 1.23/1.40  Problem: /export/starexec/sandbox/benchmark/theBenchmark.p 
% 1.23/1.40  SPASS derived 4181 clauses, backtracked 0 clauses, performed 0 splits and kept 1906 clauses.
% 1.23/1.40  SPASS allocated 80974 KBytes.
% 1.23/1.40  SPASS spent	0:00:01.04 on the problem.
% 1.23/1.40  		0:00:00.04 for the input.
% 1.23/1.40  		0:00:00.00 for the FLOTTER CNF translation.
% 1.23/1.40  		0:00:00.14 for inferences.
% 1.23/1.40  		0:00:00.00 for the backtracking.
% 1.23/1.40  		0:00:00.81 for the reduction.
% 1.23/1.40  
% 1.23/1.40  
% 1.23/1.40  Here is a proof with depth 11, length 38 :
% 1.23/1.40  % SZS output start Refutation
% See solution above
% 1.23/1.40  Formulae used in the proof : prove_this axiom_1_2 axiom_1_3 axiom_1_4 axiom_1_5 axiom_1_6 implies_definition rule_1 rule_2
% 1.23/1.40  
%------------------------------------------------------------------------------