TSTP Solution File: CAT018-3 by SPASS---3.9

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : SPASS---3.9
% Problem  : CAT018-3 : TPTP v8.1.0. Released v1.0.0.
% Transfm  : none
% Format   : tptp
% Command  : run_spass %d %s

% Computer : n032.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 00:07:32 EDT 2022

% Result   : Unsatisfiable 0.57s 0.75s
% Output   : Refutation 0.57s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   19
%            Number of leaves      :   15
% Syntax   : Number of clauses     :   61 (  16 unt;  22 nHn;  61 RR)
%            Number of literals    :  124 (   0 equ;  40 neg)
%            Maximal clause size   :    4 (   2 avg)
%            Maximal term depth    :    5 (   1 avg)
%            Number of predicates  :    4 (   3 usr;   1 prp; 0-2 aty)
%            Number of functors    :   10 (  10 usr;   6 con; 0-2 aty)
%            Number of variables   :    0 (   0 sgn)

% Comments : 
%------------------------------------------------------------------------------
cnf(1,axiom,
    there_exists(compose(a,b)),
    file('CAT018-3.p',unknown),
    [] ).

cnf(2,axiom,
    there_exists(compose(b,c)),
    file('CAT018-3.p',unknown),
    [] ).

cnf(3,axiom,
    ~ there_exists(compose(a,compose(b,c))),
    file('CAT018-3.p',unknown),
    [] ).

cnf(4,axiom,
    ( ~ equivalent(u,v)
    | there_exists(u) ),
    file('CAT018-3.p',unknown),
    [] ).

cnf(6,axiom,
    ( ~ there_exists(u)
    | ~ equal(u,v)
    | equivalent(u,v) ),
    file('CAT018-3.p',unknown),
    [] ).

cnf(7,axiom,
    ( ~ there_exists(domain__dfg(u))
    | there_exists(u) ),
    file('CAT018-3.p',unknown),
    [] ).

cnf(8,axiom,
    ( ~ there_exists(codomain(u))
    | there_exists(u) ),
    file('CAT018-3.p',unknown),
    [] ).

cnf(9,axiom,
    ( ~ there_exists(compose(u,v))
    | there_exists(domain__dfg(u)) ),
    file('CAT018-3.p',unknown),
    [] ).

cnf(10,axiom,
    ( ~ there_exists(compose(u,v))
    | equal(domain__dfg(u),codomain(v)) ),
    file('CAT018-3.p',unknown),
    [] ).

cnf(11,axiom,
    ( ~ there_exists(domain__dfg(u))
    | ~ equal(domain__dfg(u),codomain(v))
    | there_exists(compose(u,v)) ),
    file('CAT018-3.p',unknown),
    [] ).

cnf(12,axiom,
    equal(compose(compose(u,v),w),compose(u,compose(v,w))),
    file('CAT018-3.p',unknown),
    [] ).

cnf(13,axiom,
    equal(compose(u,domain__dfg(u)),u),
    file('CAT018-3.p',unknown),
    [] ).

cnf(14,axiom,
    equal(compose(codomain(u),u),u),
    file('CAT018-3.p',unknown),
    [] ).

cnf(18,axiom,
    ( there_exists(f1(u,v))
    | equal(u,v) ),
    file('CAT018-3.p',unknown),
    [] ).

cnf(19,axiom,
    ( equal(u,v)
    | equal(f1(u,v),v)
    | equal(f1(u,v),u) ),
    file('CAT018-3.p',unknown),
    [] ).

cnf(21,plain,
    ( ~ there_exists(domain__dfg(a))
    | ~ equal(codomain(compose(b,c)),domain__dfg(a)) ),
    inference(res,[status(thm),theory(equality)],[11,3]),
    [iquote('0:Res:11.2,3.0')] ).

cnf(23,plain,
    ~ equivalent(compose(a,compose(b,c)),u),
    inference(res,[status(thm),theory(equality)],[4,3]),
    [iquote('0:Res:4.1,3.0')] ).

cnf(35,plain,
    there_exists(domain__dfg(a)),
    inference(res,[status(thm),theory(equality)],[1,9]),
    [iquote('0:Res:1.0,9.0')] ).

cnf(36,plain,
    ~ equal(codomain(compose(b,c)),domain__dfg(a)),
    inference(mrr,[status(thm)],[21,35]),
    [iquote('0:MRR:21.0,35.0')] ).

cnf(39,plain,
    ( ~ there_exists(u)
    | equal(domain__dfg(codomain(u)),codomain(u)) ),
    inference(spl,[status(thm),theory(equality)],[14,10]),
    [iquote('0:SpL:14.0,10.0')] ).

cnf(40,plain,
    ( ~ there_exists(u)
    | equal(codomain(domain__dfg(u)),domain__dfg(u)) ),
    inference(spl,[status(thm),theory(equality)],[13,10]),
    [iquote('0:SpL:13.0,10.0')] ).

cnf(42,plain,
    equal(codomain(b),domain__dfg(a)),
    inference(res,[status(thm),theory(equality)],[1,10]),
    [iquote('0:Res:1.0,10.0')] ).

cnf(55,plain,
    ( ~ there_exists(compose(a,compose(b,c)))
    | ~ equal(compose(a,compose(b,c)),u) ),
    inference(res,[status(thm),theory(equality)],[6,23]),
    [iquote('0:Res:6.2,23.0')] ).

cnf(56,plain,
    ~ there_exists(compose(a,compose(b,c))),
    inference(aed,[status(thm),theory(equality)],[55]),
    [iquote('0:AED:55.1')] ).

cnf(79,plain,
    equal(compose(u,compose(v,domain__dfg(compose(u,v)))),compose(u,v)),
    inference(spr,[status(thm),theory(equality)],[12,13]),
    [iquote('0:SpR:12.0,13.0')] ).

cnf(83,plain,
    equal(compose(codomain(u),compose(u,v)),compose(u,v)),
    inference(spr,[status(thm),theory(equality)],[14,12]),
    [iquote('0:SpR:14.0,12.0')] ).

cnf(103,plain,
    ( equal(u,v)
    | equal(f1(u,v),u)
    | there_exists(v)
    | equal(u,v) ),
    inference(spr,[status(thm),theory(equality)],[19,18]),
    [iquote('0:SpR:19.1,18.0')] ).

cnf(109,plain,
    ( equal(f1(u,v),u)
    | there_exists(v)
    | equal(u,v) ),
    inference(obv,[status(thm),theory(equality)],[103]),
    [iquote('0:Obv:103.0')] ).

cnf(176,plain,
    ( ~ there_exists(u)
    | ~ there_exists(codomain(u))
    | equal(codomain(codomain(u)),codomain(u)) ),
    inference(spr,[status(thm),theory(equality)],[39,40]),
    [iquote('0:SpR:39.1,40.1')] ).

cnf(179,plain,
    ( ~ there_exists(codomain(u))
    | equal(codomain(codomain(u)),codomain(u)) ),
    inference(mrr,[status(thm)],[176,8]),
    [iquote('0:MRR:176.0,8.1')] ).

cnf(212,plain,
    ( ~ there_exists(compose(u,v))
    | equal(codomain(compose(u,v)),domain__dfg(codomain(u))) ),
    inference(spl,[status(thm),theory(equality)],[83,10]),
    [iquote('0:SpL:83.0,10.0')] ).

cnf(352,plain,
    ( there_exists(u)
    | equal(v,u)
    | there_exists(v)
    | equal(v,u) ),
    inference(spr,[status(thm),theory(equality)],[109,18]),
    [iquote('0:SpR:109.0,18.0')] ).

cnf(357,plain,
    ( there_exists(u)
    | there_exists(v)
    | equal(v,u) ),
    inference(obv,[status(thm),theory(equality)],[352]),
    [iquote('0:Obv:352.1')] ).

cnf(359,plain,
    ( equal(u,compose(a,compose(b,c)))
    | there_exists(u) ),
    inference(sor,[status(thm)],[56,357]),
    [iquote('0:SoR:56.0,357.0')] ).

cnf(545,plain,
    ( there_exists(u)
    | equal(u,codomain(v))
    | there_exists(v) ),
    inference(res,[status(thm),theory(equality)],[357,8]),
    [iquote('0:Res:357.0,8.0')] ).

cnf(650,plain,
    ( there_exists(u)
    | equal(compose(a,compose(b,c)),codomain(u)) ),
    inference(sor,[status(thm)],[56,545]),
    [iquote('0:SoR:56.0,545.0')] ).

cnf(746,plain,
    ( ~ equivalent(codomain(u),v)
    | there_exists(compose(a,compose(b,c)))
    | there_exists(u) ),
    inference(spl,[status(thm),theory(equality)],[545,23]),
    [iquote('0:SpL:545.1,23.0')] ).

cnf(764,plain,
    ( equal(domain__dfg(u),codomain(v))
    | there_exists(v)
    | there_exists(u) ),
    inference(res,[status(thm),theory(equality)],[545,7]),
    [iquote('0:Res:545.0,7.0')] ).

cnf(791,plain,
    ( ~ equivalent(codomain(u),v)
    | there_exists(u) ),
    inference(mrr,[status(thm)],[746,56]),
    [iquote('0:MRR:746.1,56.0')] ).

cnf(1036,plain,
    ( there_exists(domain__dfg(u))
    | equal(compose(u,compose(a,compose(b,c))),u) ),
    inference(spr,[status(thm),theory(equality)],[359,13]),
    [iquote('0:SpR:359.0,13.0')] ).

cnf(1078,plain,
    ( equal(compose(u,v),compose(a,compose(b,c)))
    | there_exists(domain__dfg(u)) ),
    inference(res,[status(thm),theory(equality)],[359,9]),
    [iquote('0:Res:359.1,9.0')] ).

cnf(1087,plain,
    ( there_exists(domain__dfg(u))
    | equal(compose(a,compose(b,c)),u) ),
    inference(rew,[status(thm),theory(equality)],[1078,1036]),
    [iquote('0:Rew:1078.0,1036.1')] ).

cnf(1759,plain,
    ( ~ equivalent(domain__dfg(u),v)
    | there_exists(w)
    | there_exists(u)
    | there_exists(w) ),
    inference(spl,[status(thm),theory(equality)],[764,791]),
    [iquote('0:SpL:764.0,791.0')] ).

cnf(1772,plain,
    ( ~ equivalent(domain__dfg(u),v)
    | there_exists(u)
    | there_exists(w) ),
    inference(obv,[status(thm),theory(equality)],[1759]),
    [iquote('0:Obv:1759.1')] ).

cnf(1773,plain,
    ( ~ equivalent(domain__dfg(u),v)
    | there_exists(u) ),
    inference(con,[status(thm)],[1772]),
    [iquote('0:Con:1772.2')] ).

cnf(1814,plain,
    ( ~ there_exists(domain__dfg(u))
    | ~ equal(domain__dfg(u),v)
    | there_exists(u) ),
    inference(res,[status(thm),theory(equality)],[6,1773]),
    [iquote('0:Res:6.2,1773.0')] ).

cnf(1819,plain,
    ( ~ there_exists(domain__dfg(u))
    | there_exists(u) ),
    inference(aed,[status(thm),theory(equality)],[1814]),
    [iquote('0:AED:1814.1')] ).

cnf(2223,plain,
    ( there_exists(u)
    | equal(compose(compose(a,compose(b,c)),u),u) ),
    inference(spr,[status(thm),theory(equality)],[650,14]),
    [iquote('0:SpR:650.1,14.0')] ).

cnf(2276,plain,
    ( there_exists(u)
    | equal(compose(a,compose(b,compose(c,u))),u) ),
    inference(rew,[status(thm),theory(equality)],[12,2223]),
    [iquote('0:Rew:12.0,2223.1,12.0,2223.1')] ).

cnf(2532,plain,
    ( there_exists(domain__dfg(u))
    | equal(compose(a,compose(compose(b,c),domain__dfg(u))),u) ),
    inference(spr,[status(thm),theory(equality)],[1087,79]),
    [iquote('0:SpR:1087.1,79.0')] ).

cnf(2636,plain,
    ( there_exists(domain__dfg(u))
    | equal(compose(a,compose(b,compose(c,domain__dfg(u)))),u) ),
    inference(rew,[status(thm),theory(equality)],[12,2532]),
    [iquote('0:Rew:12.0,2532.1')] ).

cnf(2637,plain,
    ( there_exists(domain__dfg(u))
    | equal(domain__dfg(u),u) ),
    inference(rew,[status(thm),theory(equality)],[2276,2636]),
    [iquote('0:Rew:2276.1,2636.1')] ).

cnf(3036,plain,
    ( there_exists(u)
    | equal(domain__dfg(u),u) ),
    inference(sor,[status(thm)],[1819,2637]),
    [iquote('0:SoR:1819.0,2637.0')] ).

cnf(3267,plain,
    ( ~ there_exists(codomain(u))
    | ~ there_exists(codomain(u))
    | equal(domain__dfg(codomain(u)),codomain(u)) ),
    inference(spr,[status(thm),theory(equality)],[179,39]),
    [iquote('0:SpR:179.1,39.1')] ).

cnf(3313,plain,
    ( ~ there_exists(codomain(u))
    | equal(domain__dfg(codomain(u)),codomain(u)) ),
    inference(obv,[status(thm),theory(equality)],[3267]),
    [iquote('0:Obv:3267.0')] ).

cnf(3314,plain,
    equal(domain__dfg(codomain(u)),codomain(u)),
    inference(mrr,[status(thm)],[3313,3036]),
    [iquote('0:MRR:3313.0,3036.0')] ).

cnf(3349,plain,
    ( ~ there_exists(compose(u,v))
    | equal(codomain(compose(u,v)),codomain(u)) ),
    inference(rew,[status(thm),theory(equality)],[3314,212]),
    [iquote('0:Rew:3314.0,212.1')] ).

cnf(4557,plain,
    ( ~ there_exists(compose(b,c))
    | ~ equal(codomain(b),domain__dfg(a)) ),
    inference(spl,[status(thm),theory(equality)],[3349,36]),
    [iquote('0:SpL:3349.1,36.0')] ).

cnf(4558,plain,
    ( ~ there_exists(compose(b,c))
    | ~ equal(domain__dfg(a),domain__dfg(a)) ),
    inference(rew,[status(thm),theory(equality)],[42,4557]),
    [iquote('0:Rew:42.0,4557.1')] ).

cnf(4559,plain,
    ~ there_exists(compose(b,c)),
    inference(obv,[status(thm),theory(equality)],[4558]),
    [iquote('0:Obv:4558.1')] ).

cnf(4560,plain,
    $false,
    inference(mrr,[status(thm)],[4559,2]),
    [iquote('0:MRR:4559.0,2.0')] ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.06/0.10  % Problem  : CAT018-3 : TPTP v8.1.0. Released v1.0.0.
% 0.06/0.11  % Command  : run_spass %d %s
% 0.11/0.31  % Computer : n032.cluster.edu
% 0.11/0.31  % Model    : x86_64 x86_64
% 0.11/0.31  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.11/0.31  % Memory   : 8042.1875MB
% 0.11/0.31  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.11/0.31  % CPULimit : 300
% 0.11/0.31  % WCLimit  : 600
% 0.11/0.31  % DateTime : Sun May 29 21:12:41 EDT 2022
% 0.11/0.31  % CPUTime  : 
% 0.57/0.75  
% 0.57/0.75  SPASS V 3.9 
% 0.57/0.75  SPASS beiseite: Proof found.
% 0.57/0.75  % SZS status Theorem
% 0.57/0.75  Problem: /export/starexec/sandbox/benchmark/theBenchmark.p 
% 0.57/0.75  SPASS derived 3476 clauses, backtracked 0 clauses, performed 0 splits and kept 686 clauses.
% 0.57/0.75  SPASS allocated 78145 KBytes.
% 0.57/0.75  SPASS spent	0:00:00.38 on the problem.
% 0.57/0.75  		0:00:00.03 for the input.
% 0.57/0.75  		0:00:00.00 for the FLOTTER CNF translation.
% 0.57/0.75  		0:00:00.04 for inferences.
% 0.57/0.75  		0:00:00.00 for the backtracking.
% 0.57/0.75  		0:00:00.29 for the reduction.
% 0.57/0.75  
% 0.57/0.75  
% 0.57/0.75  Here is a proof with depth 7, length 61 :
% 0.57/0.75  % SZS output start Refutation
% See solution above
% 0.57/0.75  Formulae used in the proof : assume_ab_exists assume_bc_exists prove_a_bc_exists equivalence_implies_existence1 existence_and_equality_implies_equivalence1 domain_has_elements codomain_has_elements composition_implies_domain domain_codomain_composition1 domain_codomain_composition2 associativity_of_compose compose_domain compose_codomain indiscernibles1 indiscernibles2
% 0.57/0.75  
%------------------------------------------------------------------------------