TSTP Solution File: LCL301-3 by SPASS---3.9

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : SPASS---3.9
% Problem  : LCL301-3 : TPTP v8.1.0. Released v2.3.0.
% Transfm  : none
% Format   : tptp
% Command  : run_spass %d %s

% Computer : n015.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 14:36:11 EDT 2022

% Result   : Unsatisfiable 0.21s 0.46s
% Output   : Refutation 0.21s
% 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    :    5 (   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(not__dfg(implies__dfg(not__dfg(p),not__dfg(q))),and__dfg(not__dfg(p),q))),
    file('LCL301-3.p',unknown),
    [] ).

cnf(2,axiom,
    axiom(implies__dfg(or__dfg(u,u),u)),
    file('LCL301-3.p',unknown),
    [] ).

cnf(3,axiom,
    axiom(implies__dfg(u,or__dfg(v,u))),
    file('LCL301-3.p',unknown),
    [] ).

cnf(4,axiom,
    axiom(implies__dfg(or__dfg(u,v),or__dfg(v,u))),
    file('LCL301-3.p',unknown),
    [] ).

cnf(5,axiom,
    axiom(implies__dfg(or__dfg(u,or__dfg(v,w)),or__dfg(v,or__dfg(u,w)))),
    file('LCL301-3.p',unknown),
    [] ).

cnf(7,axiom,
    equal(or__dfg(not__dfg(u),v),implies__dfg(u,v)),
    file('LCL301-3.p',unknown),
    [] ).

cnf(8,axiom,
    ( ~ axiom(u)
    | theorem(u) ),
    file('LCL301-3.p',unknown),
    [] ).

cnf(9,axiom,
    ( ~ theorem(u)
    | ~ theorem(implies__dfg(u,v))
    | theorem(v) ),
    file('LCL301-3.p',unknown),
    [] ).

cnf(10,axiom,
    equal(not__dfg(or__dfg(not__dfg(u),not__dfg(v))),and__dfg(u,v)),
    file('LCL301-3.p',unknown),
    [] ).

cnf(11,axiom,
    equal(and__dfg(implies__dfg(u,v),implies__dfg(v,u)),equivalent(u,v)),
    file('LCL301-3.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(and__dfg(not__dfg(p),q),and__dfg(not__dfg(p),q))),
    inference(rew,[status(thm),theory(equality)],[12,1]),
    [iquote('0:Rew:12.0,1.0')] ).

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(21,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(25,plain,
    axiom(or__dfg(and__dfg(u,u),not__dfg(u))),
    inference(rew,[status(thm),theory(equality)],[21,16]),
    [iquote('0:Rew:21.0,16.0')] ).

cnf(30,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(40,plain,
    ( ~ theorem(or__dfg(u,not__dfg(v)))
    | theorem(implies__dfg(v,u)) ),
    inference(sor,[status(thm)],[30,19]),
    [iquote('0:SoR:30.0,19.0')] ).

cnf(42,plain,
    ( ~ theorem(implies__dfg(u,v))
    | theorem(or__dfg(v,not__dfg(u))) ),
    inference(sor,[status(thm)],[30,20]),
    [iquote('0:SoR:30.0,20.0')] ).

cnf(43,plain,
    ( ~ theorem(or__dfg(u,v))
    | theorem(or__dfg(v,u)) ),
    inference(sor,[status(thm)],[30,4]),
    [iquote('0:SoR:30.0,4.0')] ).

cnf(45,plain,
    ( ~ theorem(or__dfg(u,u))
    | theorem(u) ),
    inference(sor,[status(thm)],[30,2]),
    [iquote('0:SoR:30.0,2.0')] ).

cnf(55,plain,
    ( ~ axiom(or__dfg(u,v))
    | theorem(or__dfg(v,u)) ),
    inference(sor,[status(thm)],[43,8]),
    [iquote('0:SoR:43.0,8.1')] ).

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)],[55,25]),
    [iquote('0:SoR:55.0,25.0')] ).

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(77,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(140,plain,
    ( ~ axiom(implies__dfg(u,v))
    | theorem(or__dfg(v,not__dfg(u))) ),
    inference(sor,[status(thm)],[42,8]),
    [iquote('0:SoR:42.0,8.1')] ).

cnf(148,plain,
    ( ~ theorem(implies__dfg(u,or__dfg(v,w)))
    | theorem(or__dfg(v,implies__dfg(u,w))) ),
    inference(sor,[status(thm)],[30,65]),
    [iquote('0:SoR:30.0,65.0')] ).

cnf(179,plain,
    theorem(or__dfg(or__dfg(u,v),not__dfg(v))),
    inference(sor,[status(thm)],[140,3]),
    [iquote('0:SoR:140.0,3.0')] ).

cnf(201,plain,
    theorem(implies__dfg(u,or__dfg(v,u))),
    inference(sor,[status(thm)],[40,179]),
    [iquote('0:SoR:40.0,179.0')] ).

cnf(462,plain,
    theorem(or__dfg(u,implies__dfg(v,v))),
    inference(sor,[status(thm)],[148,201]),
    [iquote('0:SoR:148.0,201.0')] ).

cnf(464,plain,
    theorem(implies__dfg(u,u)),
    inference(sor,[status(thm)],[45,462]),
    [iquote('0:SoR:45.0,462.0')] ).

cnf(468,plain,
    theorem(equivalent(u,u)),
    inference(mrr,[status(thm)],[77,464]),
    [iquote('0:MRR:77.0,464.0')] ).

cnf(469,plain,
    $false,
    inference(unc,[status(thm)],[468,13]),
    [iquote('0:UnC:468.0,13.0')] ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.12  % Problem  : LCL301-3 : TPTP v8.1.0. Released v2.3.0.
% 0.12/0.13  % Command  : run_spass %d %s
% 0.13/0.34  % Computer : n015.cluster.edu
% 0.13/0.34  % Model    : x86_64 x86_64
% 0.13/0.34  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.13/0.34  % Memory   : 8042.1875MB
% 0.13/0.34  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.13/0.34  % CPULimit : 300
% 0.13/0.34  % WCLimit  : 600
% 0.13/0.34  % DateTime : Mon Jul  4 17:48:01 EDT 2022
% 0.13/0.34  % CPUTime  : 
% 0.21/0.46  
% 0.21/0.46  SPASS V 3.9 
% 0.21/0.46  SPASS beiseite: Proof found.
% 0.21/0.46  % SZS status Theorem
% 0.21/0.46  Problem: /export/starexec/sandbox/benchmark/theBenchmark.p 
% 0.21/0.46  SPASS derived 336 clauses, backtracked 0 clauses, performed 0 splits and kept 175 clauses.
% 0.21/0.46  SPASS allocated 76313 KBytes.
% 0.21/0.46  SPASS spent	0:00:00.11 on the problem.
% 0.21/0.46  		0:00:00.04 for the input.
% 0.21/0.46  		0:00:00.00 for the FLOTTER CNF translation.
% 0.21/0.46  		0:00:00.01 for inferences.
% 0.21/0.46  		0:00:00.00 for the backtracking.
% 0.21/0.46  		0:00:00.03 for the reduction.
% 0.21/0.46  
% 0.21/0.46  
% 0.21/0.46  Here is a proof with depth 7, length 37 :
% 0.21/0.46  % SZS output start Refutation
% See solution above
% 0.21/0.46  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
% 0.21/0.46  
%------------------------------------------------------------------------------