TSTP Solution File: CAT010-10 by SPASS---3.9

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : SPASS---3.9
% Problem  : CAT010-10 : TPTP v8.1.0. Released v7.3.0.
% Transfm  : none
% Format   : tptp
% Command  : run_spass %d %s

% Computer : n024.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 00:07:30 EDT 2022

% Result   : Unsatisfiable 0.92s 1.09s
% Output   : Refutation 0.92s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :    9
%            Number of leaves      :    9
% Syntax   : Number of clauses     :   21 (  21 unt;   0 nHn;  21 RR)
%            Number of literals    :   21 (   0 equ;   1 neg)
%            Maximal clause size   :    1 (   1 avg)
%            Maximal term depth    :    7 (   2 avg)
%            Number of predicates  :    2 (   1 usr;   1 prp; 0-2 aty)
%            Number of functors    :   12 (  12 usr;   6 con; 0-4 aty)
%            Number of variables   :    0 (   0 sgn)

% Comments : 
%------------------------------------------------------------------------------
cnf(2,axiom,
    equal(ifeq2(u,u,v,w),v),
    file('CAT010-10.p',unknown),
    [] ).

cnf(3,axiom,
    equal(ifeq(u,u,v,w),v),
    file('CAT010-10.p',unknown),
    [] ).

cnf(7,axiom,
    equal(ifeq(there_exists(domain__dfg(u)),true__dfg,there_exists(u),true__dfg),true__dfg),
    file('CAT010-10.p',unknown),
    [] ).

cnf(9,axiom,
    equal(ifeq(there_exists(compose(u,v)),true__dfg,there_exists(domain__dfg(u)),true__dfg),true__dfg),
    file('CAT010-10.p',unknown),
    [] ).

cnf(10,axiom,
    equal(ifeq2(there_exists(compose(u,v)),true__dfg,domain__dfg(u),codomain(v)),codomain(v)),
    file('CAT010-10.p',unknown),
    [] ).

cnf(12,axiom,
    equal(compose(compose(u,v),w),compose(u,compose(v,w))),
    file('CAT010-10.p',unknown),
    [] ).

cnf(14,axiom,
    equal(compose(codomain(u),u),u),
    file('CAT010-10.p',unknown),
    [] ).

cnf(15,axiom,
    equal(there_exists(compose(a,b)),true__dfg),
    file('CAT010-10.p',unknown),
    [] ).

cnf(16,axiom,
    ~ equal(codomain(compose(a,b)),codomain(a)),
    file('CAT010-10.p',unknown),
    [] ).

cnf(69,plain,
    equal(ifeq(there_exists(compose(u,compose(v,w))),true__dfg,there_exists(domain__dfg(compose(u,v))),true__dfg),true__dfg),
    inference(spr,[status(thm),theory(equality)],[12,9]),
    [iquote('0:SpR:12.0,9.0')] ).

cnf(101,plain,
    equal(ifeq2(there_exists(u),true__dfg,domain__dfg(codomain(u)),codomain(u)),codomain(u)),
    inference(spr,[status(thm),theory(equality)],[14,10]),
    [iquote('0:SpR:14.0,10.0')] ).

cnf(481,plain,
    equal(ifeq2(true__dfg,true__dfg,domain__dfg(codomain(compose(a,b))),codomain(compose(a,b))),codomain(compose(a,b))),
    inference(spr,[status(thm),theory(equality)],[15,101]),
    [iquote('0:SpR:15.0,101.0')] ).

cnf(522,plain,
    equal(domain__dfg(codomain(compose(a,b))),codomain(compose(a,b))),
    inference(rew,[status(thm),theory(equality)],[2,481]),
    [iquote('0:Rew:2.0,481.0')] ).

cnf(979,plain,
    equal(ifeq(there_exists(compose(u,v)),true__dfg,there_exists(domain__dfg(compose(codomain(compose(u,v)),u))),true__dfg),true__dfg),
    inference(spr,[status(thm),theory(equality)],[14,69]),
    [iquote('0:SpR:14.0,69.0')] ).

cnf(4852,plain,
    equal(ifeq(true__dfg,true__dfg,there_exists(domain__dfg(compose(codomain(compose(a,b)),a))),true__dfg),true__dfg),
    inference(spr,[status(thm),theory(equality)],[15,979]),
    [iquote('0:SpR:15.0,979.0')] ).

cnf(4887,plain,
    equal(there_exists(domain__dfg(compose(codomain(compose(a,b)),a))),true__dfg),
    inference(rew,[status(thm),theory(equality)],[3,4852]),
    [iquote('0:Rew:3.0,4852.0')] ).

cnf(4907,plain,
    equal(ifeq(true__dfg,true__dfg,there_exists(compose(codomain(compose(a,b)),a)),true__dfg),true__dfg),
    inference(spr,[status(thm),theory(equality)],[4887,7]),
    [iquote('0:SpR:4887.0,7.0')] ).

cnf(4916,plain,
    equal(there_exists(compose(codomain(compose(a,b)),a)),true__dfg),
    inference(rew,[status(thm),theory(equality)],[3,4907]),
    [iquote('0:Rew:3.0,4907.0')] ).

cnf(4939,plain,
    equal(ifeq2(true__dfg,true__dfg,domain__dfg(codomain(compose(a,b))),codomain(a)),codomain(a)),
    inference(spr,[status(thm),theory(equality)],[4916,10]),
    [iquote('0:SpR:4916.0,10.0')] ).

cnf(4961,plain,
    equal(codomain(compose(a,b)),codomain(a)),
    inference(rew,[status(thm),theory(equality)],[2,4939,522]),
    [iquote('0:Rew:2.0,4939.0,522.0,4939.0')] ).

cnf(4962,plain,
    $false,
    inference(mrr,[status(thm)],[4961,16]),
    [iquote('0:MRR:4961.0,16.0')] ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.11/0.12  % Problem  : CAT010-10 : TPTP v8.1.0. Released v7.3.0.
% 0.11/0.12  % Command  : run_spass %d %s
% 0.12/0.33  % Computer : n024.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 May 29 22:21:36 EDT 2022
% 0.12/0.33  % CPUTime  : 
% 0.92/1.09  
% 0.92/1.09  SPASS V 3.9 
% 0.92/1.09  SPASS beiseite: Proof found.
% 0.92/1.09  % SZS status Theorem
% 0.92/1.09  Problem: /export/starexec/sandbox/benchmark/theBenchmark.p 
% 0.92/1.09  SPASS derived 3377 clauses, backtracked 0 clauses, performed 0 splits and kept 924 clauses.
% 0.92/1.09  SPASS allocated 68454 KBytes.
% 0.92/1.09  SPASS spent	0:00:00.71 on the problem.
% 0.92/1.09  		0:00:00.03 for the input.
% 0.92/1.09  		0:00:00.00 for the FLOTTER CNF translation.
% 0.92/1.09  		0:00:00.04 for inferences.
% 0.92/1.09  		0:00:00.00 for the backtracking.
% 0.92/1.09  		0:00:00.62 for the reduction.
% 0.92/1.09  
% 0.92/1.09  
% 0.92/1.09  Here is a proof with depth 5, length 21 :
% 0.92/1.09  % SZS output start Refutation
% See solution above
% 0.92/1.09  Formulae used in the proof : ifeq_axiom_001 ifeq_axiom_002 domain_has_elements composition_implies_domain domain_codomain_composition1 associativity_of_compose compose_codomain ab_exists prove_codomain_of_ab_equals_codomain_of_a
% 0.92/1.09  
%------------------------------------------------------------------------------