TSTP Solution File: LCL294-3 by SPASS---3.9

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : SPASS---3.9
% Problem  : LCL294-3 : TPTP v8.1.0. Released v2.3.0.
% 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 14:36:09 EDT 2022

% Result   : Unsatisfiable 0.18s 0.45s
% Output   : Refutation 0.18s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :    9
%            Number of leaves      :   10
% Syntax   : Number of clauses     :   37 (  25 unt;   0 nHn;  37 RR)
%            Number of literals    :   51 (   0 equ;  16 neg)
%            Maximal clause size   :    3 (   1 avg)
%            Maximal term depth    :    4 (   2 avg)
%            Number of predicates  :    4 (   3 usr;   1 prp; 0-2 aty)
%            Number of functors    :   10 (  10 usr;   5 con; 0-2 aty)
%            Number of variables   :    0 (   0 sgn)

% Comments : 
%------------------------------------------------------------------------------
cnf(1,axiom,
    ~ theorem(equivalent(implies__dfg(p,q),or__dfg(not__dfg(p),q))),
    file('LCL294-3.p',unknown),
    [] ).

cnf(2,axiom,
    axiom(implies__dfg(or__dfg(u,u),u)),
    file('LCL294-3.p',unknown),
    [] ).

cnf(3,axiom,
    axiom(implies__dfg(u,or__dfg(v,u))),
    file('LCL294-3.p',unknown),
    [] ).

cnf(4,axiom,
    axiom(implies__dfg(or__dfg(u,v),or__dfg(v,u))),
    file('LCL294-3.p',unknown),
    [] ).

cnf(5,axiom,
    axiom(implies__dfg(or__dfg(u,or__dfg(v,w)),or__dfg(v,or__dfg(u,w)))),
    file('LCL294-3.p',unknown),
    [] ).

cnf(7,axiom,
    equal(or__dfg(not__dfg(u),v),implies__dfg(u,v)),
    file('LCL294-3.p',unknown),
    [] ).

cnf(8,axiom,
    ( ~ axiom(u)
    | theorem(u) ),
    file('LCL294-3.p',unknown),
    [] ).

cnf(9,axiom,
    ( ~ theorem(u)
    | ~ theorem(implies__dfg(u,v))
    | theorem(v) ),
    file('LCL294-3.p',unknown),
    [] ).

cnf(10,axiom,
    equal(not__dfg(or__dfg(not__dfg(u),not__dfg(v))),and__dfg(u,v)),
    file('LCL294-3.p',unknown),
    [] ).

cnf(11,axiom,
    equal(and__dfg(implies__dfg(u,v),implies__dfg(v,u)),equivalent(u,v)),
    file('LCL294-3.p',unknown),
    [] ).

cnf(12,plain,
    equal(not__dfg(implies__dfg(u,not__dfg(v))),and__dfg(u,v)),
    inference(rew,[status(thm),theory(equality)],[7,10]),
    [iquote('0:Rew:7.0,10.0')] ).

cnf(13,plain,
    ~ theorem(equivalent(implies__dfg(p,q),implies__dfg(p,q))),
    inference(rew,[status(thm),theory(equality)],[7,1]),
    [iquote('0:Rew:7.0,1.0')] ).

cnf(16,plain,
    axiom(implies__dfg(implies__dfg(u,not__dfg(u)),not__dfg(u))),
    inference(spr,[status(thm),theory(equality)],[7,2]),
    [iquote('0:SpR:7.0,2.0')] ).

cnf(19,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(20,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(22,plain,
    equal(implies__dfg(implies__dfg(u,not__dfg(v)),w),or__dfg(and__dfg(u,v),w)),
    inference(spr,[status(thm),theory(equality)],[12,7]),
    [iquote('0:SpR:12.0,7.0')] ).

cnf(26,plain,
    axiom(or__dfg(and__dfg(u,u),not__dfg(u))),
    inference(rew,[status(thm),theory(equality)],[22,16]),
    [iquote('0:Rew:22.0,16.0')] ).

cnf(40,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(41,plain,
    ( ~ theorem(or__dfg(u,not__dfg(v)))
    | theorem(implies__dfg(v,u)) ),
    inference(sor,[status(thm)],[40,19]),
    [iquote('0:SoR:40.0,19.0')] ).

cnf(43,plain,
    ( ~ theorem(implies__dfg(u,v))
    | theorem(or__dfg(v,not__dfg(u))) ),
    inference(sor,[status(thm)],[40,20]),
    [iquote('0:SoR:40.0,20.0')] ).

cnf(44,plain,
    ( ~ theorem(or__dfg(u,v))
    | theorem(or__dfg(v,u)) ),
    inference(sor,[status(thm)],[40,4]),
    [iquote('0:SoR:40.0,4.0')] ).

cnf(46,plain,
    ( ~ theorem(or__dfg(u,u))
    | theorem(u) ),
    inference(sor,[status(thm)],[40,2]),
    [iquote('0:SoR:40.0,2.0')] ).

cnf(55,plain,
    ( ~ axiom(or__dfg(u,v))
    | theorem(or__dfg(v,u)) ),
    inference(sor,[status(thm)],[44,8]),
    [iquote('0:SoR:44.0,8.1')] ).

cnf(61,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(65,plain,
    axiom(implies__dfg(implies__dfg(u,or__dfg(v,w)),or__dfg(v,implies__dfg(u,w)))),
    inference(rew,[status(thm),theory(equality)],[7,61]),
    [iquote('0:Rew:7.0,61.0')] ).

cnf(72,plain,
    theorem(or__dfg(not__dfg(u),and__dfg(u,u))),
    inference(sor,[status(thm)],[55,26]),
    [iquote('0:SoR:55.0,26.0')] ).

cnf(73,plain,
    theorem(implies__dfg(u,and__dfg(u,u))),
    inference(rew,[status(thm),theory(equality)],[7,72]),
    [iquote('0:Rew:7.0,72.0')] ).

cnf(76,plain,
    ( ~ theorem(u)
    | theorem(and__dfg(u,u)) ),
    inference(res,[status(thm),theory(equality)],[73,9]),
    [iquote('0:Res:73.0,9.1')] ).

cnf(82,plain,
    ( ~ theorem(implies__dfg(u,u))
    | theorem(equivalent(u,u)) ),
    inference(spr,[status(thm),theory(equality)],[11,76]),
    [iquote('0:SpR:11.0,76.1')] ).

cnf(125,plain,
    ( ~ theorem(implies__dfg(u,or__dfg(v,w)))
    | theorem(or__dfg(v,implies__dfg(u,w))) ),
    inference(sor,[status(thm)],[40,65]),
    [iquote('0:SoR:40.0,65.0')] ).

cnf(160,plain,
    ( ~ axiom(implies__dfg(u,v))
    | theorem(or__dfg(v,not__dfg(u))) ),
    inference(sor,[status(thm)],[43,8]),
    [iquote('0:SoR:43.0,8.1')] ).

cnf(200,plain,
    theorem(or__dfg(or__dfg(u,v),not__dfg(v))),
    inference(sor,[status(thm)],[160,3]),
    [iquote('0:SoR:160.0,3.0')] ).

cnf(231,plain,
    theorem(implies__dfg(u,or__dfg(v,u))),
    inference(sor,[status(thm)],[41,200]),
    [iquote('0:SoR:41.0,200.0')] ).

cnf(446,plain,
    theorem(or__dfg(u,implies__dfg(v,v))),
    inference(sor,[status(thm)],[125,231]),
    [iquote('0:SoR:125.0,231.0')] ).

cnf(448,plain,
    theorem(implies__dfg(u,u)),
    inference(sor,[status(thm)],[46,446]),
    [iquote('0:SoR:46.0,446.0')] ).

cnf(452,plain,
    theorem(equivalent(u,u)),
    inference(mrr,[status(thm)],[82,448]),
    [iquote('0:MRR:82.0,448.0')] ).

cnf(453,plain,
    $false,
    inference(unc,[status(thm)],[452,13]),
    [iquote('0:UnC:452.0,13.0')] ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.07/0.12  % Problem  : LCL294-3 : TPTP v8.1.0. Released v2.3.0.
% 0.07/0.12  % Command  : run_spass %d %s
% 0.13/0.33  % Computer : n010.cluster.edu
% 0.13/0.33  % Model    : x86_64 x86_64
% 0.13/0.33  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.13/0.33  % Memory   : 8042.1875MB
% 0.13/0.33  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.13/0.33  % CPULimit : 300
% 0.13/0.33  % WCLimit  : 600
% 0.13/0.33  % DateTime : Sun Jul  3 00:49:03 EDT 2022
% 0.13/0.33  % CPUTime  : 
% 0.18/0.45  
% 0.18/0.45  SPASS V 3.9 
% 0.18/0.45  SPASS beiseite: Proof found.
% 0.18/0.45  % SZS status Theorem
% 0.18/0.45  Problem: /export/starexec/sandbox/benchmark/theBenchmark.p 
% 0.18/0.45  SPASS derived 324 clauses, backtracked 0 clauses, performed 0 splits and kept 173 clauses.
% 0.18/0.45  SPASS allocated 76287 KBytes.
% 0.18/0.45  SPASS spent	0:00:00.10 on the problem.
% 0.18/0.45  		0:00:00.04 for the input.
% 0.18/0.45  		0:00:00.00 for the FLOTTER CNF translation.
% 0.18/0.45  		0:00:00.01 for inferences.
% 0.18/0.45  		0:00:00.00 for the backtracking.
% 0.18/0.45  		0:00:00.03 for the reduction.
% 0.18/0.45  
% 0.18/0.45  
% 0.18/0.45  Here is a proof with depth 7, length 37 :
% 0.18/0.45  % SZS output start Refutation
% See solution above
% 0.18/0.45  Formulae used in the proof : prove_this axiom_1_2 axiom_1_3 axiom_1_4 axiom_1_5 implies_definition rule_1 rule_2 and_defn equivalent_defn
% 0.18/0.45  
%------------------------------------------------------------------------------