TSTP Solution File: CAT005-4 by SPASS---3.9

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : SPASS---3.9
% Problem  : CAT005-4 : TPTP v8.1.0. Released v1.0.0.
% Transfm  : none
% Format   : tptp
% Command  : run_spass %d %s

% Computer : n021.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 : Fri Jul 15 00:07:28 EDT 2022

% Result   : Unsatisfiable 0.12s 0.41s
% Output   : Refutation 0.12s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :    6
%            Number of leaves      :    8
% Syntax   : Number of clauses     :   19 (   9 unt;   0 nHn;  19 RR)
%            Number of literals    :   29 (   0 equ;  12 neg)
%            Maximal clause size   :    2 (   1 avg)
%            Maximal term depth    :    3 (   1 avg)
%            Number of predicates  :    3 (   2 usr;   1 prp; 0-2 aty)
%            Number of functors    :    7 (   7 usr;   4 con; 0-2 aty)
%            Number of variables   :    0 (   0 sgn)

% Comments : 
%------------------------------------------------------------------------------
cnf(1,axiom,
    there_exists(compose(a,d)),
    file('CAT005-4.p',unknown),
    [] ).

cnf(2,axiom,
    ( ~ there_exists(compose(u,d))
    | equal(compose(u,d),u) ),
    file('CAT005-4.p',unknown),
    [] ).

cnf(4,axiom,
    ~ equal(domain__dfg(a),d),
    file('CAT005-4.p',unknown),
    [] ).

cnf(8,axiom,
    ( ~ there_exists(domain__dfg(u))
    | there_exists(u) ),
    file('CAT005-4.p',unknown),
    [] ).

cnf(9,axiom,
    ( ~ there_exists(codomain(u))
    | there_exists(u) ),
    file('CAT005-4.p',unknown),
    [] ).

cnf(10,axiom,
    ( ~ there_exists(compose(u,v))
    | there_exists(domain__dfg(u)) ),
    file('CAT005-4.p',unknown),
    [] ).

cnf(11,axiom,
    ( ~ there_exists(compose(u,v))
    | equal(domain__dfg(u),codomain(v)) ),
    file('CAT005-4.p',unknown),
    [] ).

cnf(15,axiom,
    equal(compose(codomain(u),u),u),
    file('CAT005-4.p',unknown),
    [] ).

cnf(22,plain,
    there_exists(domain__dfg(a)),
    inference(res,[status(thm),theory(equality)],[1,10]),
    [iquote('0:Res:1.0,10.0')] ).

cnf(23,plain,
    there_exists(a),
    inference(res,[status(thm),theory(equality)],[22,8]),
    [iquote('0:Res:22.0,8.0')] ).

cnf(39,plain,
    ( ~ there_exists(d)
    | equal(compose(codomain(d),d),codomain(d)) ),
    inference(spl,[status(thm),theory(equality)],[15,2]),
    [iquote('0:SpL:15.0,2.0')] ).

cnf(40,plain,
    equal(compose(a,d),a),
    inference(res,[status(thm),theory(equality)],[1,2]),
    [iquote('0:Res:1.0,2.0')] ).

cnf(42,plain,
    ( ~ there_exists(d)
    | equal(codomain(d),d) ),
    inference(rew,[status(thm),theory(equality)],[15,39]),
    [iquote('0:Rew:15.0,39.1')] ).

cnf(54,plain,
    ( ~ there_exists(a)
    | equal(codomain(d),domain__dfg(a)) ),
    inference(spl,[status(thm),theory(equality)],[40,11]),
    [iquote('0:SpL:40.0,11.0')] ).

cnf(57,plain,
    equal(codomain(d),domain__dfg(a)),
    inference(mrr,[status(thm)],[54,23]),
    [iquote('0:MRR:54.0,23.0')] ).

cnf(58,plain,
    ( ~ there_exists(d)
    | equal(domain__dfg(a),d) ),
    inference(rew,[status(thm),theory(equality)],[57,42]),
    [iquote('0:Rew:57.0,42.1')] ).

cnf(59,plain,
    ~ there_exists(d),
    inference(mrr,[status(thm)],[58,4]),
    [iquote('0:MRR:58.1,4.0')] ).

cnf(69,plain,
    ( ~ there_exists(domain__dfg(a))
    | there_exists(d) ),
    inference(spl,[status(thm),theory(equality)],[57,9]),
    [iquote('0:SpL:57.0,9.0')] ).

cnf(70,plain,
    $false,
    inference(mrr,[status(thm)],[69,22,59]),
    [iquote('0:MRR:69.0,69.1,22.0,59.0')] ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.11/0.12  % Problem  : CAT005-4 : TPTP v8.1.0. Released v1.0.0.
% 0.11/0.13  % Command  : run_spass %d %s
% 0.12/0.34  % Computer : n021.cluster.edu
% 0.12/0.34  % Model    : x86_64 x86_64
% 0.12/0.34  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.12/0.34  % Memory   : 8042.1875MB
% 0.12/0.34  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.12/0.34  % CPULimit : 300
% 0.12/0.34  % WCLimit  : 600
% 0.12/0.34  % DateTime : Sun May 29 17:47:28 EDT 2022
% 0.12/0.34  % CPUTime  : 
% 0.12/0.41  
% 0.12/0.41  SPASS V 3.9 
% 0.12/0.41  SPASS beiseite: Proof found.
% 0.12/0.41  % SZS status Theorem
% 0.12/0.41  Problem: /export/starexec/sandbox/benchmark/theBenchmark.p 
% 0.12/0.41  SPASS derived 45 clauses, backtracked 0 clauses, performed 0 splits and kept 32 clauses.
% 0.12/0.41  SPASS allocated 75629 KBytes.
% 0.12/0.41  SPASS spent	0:00:00.06 on the problem.
% 0.12/0.41  		0:00:00.03 for the input.
% 0.12/0.41  		0:00:00.00 for the FLOTTER CNF translation.
% 0.12/0.41  		0:00:00.00 for inferences.
% 0.12/0.41  		0:00:00.00 for the backtracking.
% 0.12/0.41  		0:00:00.00 for the reduction.
% 0.12/0.41  
% 0.12/0.41  
% 0.12/0.41  Here is a proof with depth 3, length 19 :
% 0.12/0.41  % SZS output start Refutation
% See solution above
% 0.12/0.41  Formulae used in the proof : ad_exists xd_equals_x prove_domain_of_a_is_d domain_has_elements codomain_has_elements composition_implies_domain domain_codomain_composition1 compose_codomain
% 0.12/0.41  
%------------------------------------------------------------------------------