TSTP Solution File: GRP039-4 by SPASS---3.9

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : SPASS---3.9
% Problem  : GRP039-4 : TPTP v8.1.0. Released v1.0.0.
% Transfm  : none
% Format   : tptp
% Command  : run_spass %d %s

% Computer : n004.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 : Sat Jul 16 11:44:56 EDT 2022

% Result   : Unsatisfiable 0.49s 0.71s
% Output   : Refutation 0.49s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   14
%            Number of leaves      :   16
% Syntax   : Number of clauses     :   56 (  23 unt;   6 nHn;  56 RR)
%            Number of literals    :  106 (   0 equ;  45 neg)
%            Maximal clause size   :    4 (   1 avg)
%            Maximal term depth    :    3 (   1 avg)
%            Number of predicates  :    4 (   3 usr;   1 prp; 0-3 aty)
%            Number of functors    :   14 (  14 usr;  11 con; 0-2 aty)
%            Number of variables   :    0 (   0 sgn)

% Comments : 
%------------------------------------------------------------------------------
cnf(2,axiom,
    ( subgroup_member(u)
    | subgroup_member(v)
    | subgroup_member(element_in_O2(u,v)) ),
    file('GRP039-4.p',unknown),
    [] ).

cnf(3,axiom,
    ( subgroup_member(u)
    | subgroup_member(v)
    | product(u,element_in_O2(u,v),v) ),
    file('GRP039-4.p',unknown),
    [] ).

cnf(4,axiom,
    subgroup_member(b),
    file('GRP039-4.p',unknown),
    [] ).

cnf(5,axiom,
    product(b,inverse(a),c),
    file('GRP039-4.p',unknown),
    [] ).

cnf(6,axiom,
    product(a,c,d),
    file('GRP039-4.p',unknown),
    [] ).

cnf(7,axiom,
    ~ subgroup_member(d),
    file('GRP039-4.p',unknown),
    [] ).

cnf(8,axiom,
    product(identity,u,u),
    file('GRP039-4.p',unknown),
    [] ).

cnf(9,axiom,
    product(u,identity,u),
    file('GRP039-4.p',unknown),
    [] ).

cnf(10,axiom,
    product(inverse(u),u,identity),
    file('GRP039-4.p',unknown),
    [] ).

cnf(11,axiom,
    product(u,inverse(u),identity),
    file('GRP039-4.p',unknown),
    [] ).

cnf(12,axiom,
    product(u,v,multiply(u,v)),
    file('GRP039-4.p',unknown),
    [] ).

cnf(13,axiom,
    ( ~ product(u,v,w)
    | ~ product(u,v,x)
    | equal(x,w) ),
    file('GRP039-4.p',unknown),
    [] ).

cnf(14,axiom,
    ( ~ product(u,v,w)
    | ~ product(x,v,y)
    | ~ product(z,x,u)
    | product(z,y,w) ),
    file('GRP039-4.p',unknown),
    [] ).

cnf(15,axiom,
    ( ~ product(u,v,w)
    | ~ product(x,y,v)
    | ~ product(u,x,z)
    | product(z,y,w) ),
    file('GRP039-4.p',unknown),
    [] ).

cnf(16,axiom,
    ( ~ subgroup_member(u)
    | subgroup_member(inverse(u)) ),
    file('GRP039-4.p',unknown),
    [] ).

cnf(17,axiom,
    ( ~ subgroup_member(u)
    | ~ subgroup_member(v)
    | ~ product(v,u,w)
    | subgroup_member(w) ),
    file('GRP039-4.p',unknown),
    [] ).

cnf(18,plain,
    ( ~ subgroup_member(u)
    | ~ product(b,u,v)
    | subgroup_member(v) ),
    inference(res,[status(thm),theory(equality)],[4,17]),
    [iquote('0:Res:4.0,17.0')] ).

cnf(21,plain,
    ( subgroup_member(u)
    | product(d,element_in_O2(d,u),u) ),
    inference(res,[status(thm),theory(equality)],[3,7]),
    [iquote('0:Res:3.2,7.0')] ).

cnf(22,plain,
    ( subgroup_member(u)
    | subgroup_member(element_in_O2(d,u)) ),
    inference(res,[status(thm),theory(equality)],[2,7]),
    [iquote('0:Res:2.2,7.0')] ).

cnf(29,plain,
    ( ~ subgroup_member(a)
    | ~ subgroup_member(c)
    | subgroup_member(d) ),
    inference(res,[status(thm),theory(equality)],[6,17]),
    [iquote('0:Res:6.0,17.2')] ).

cnf(32,plain,
    ( ~ product(u,c,v)
    | ~ product(w,a,u)
    | product(w,d,v) ),
    inference(res,[status(thm),theory(equality)],[6,14]),
    [iquote('0:Res:6.0,14.1')] ).

cnf(35,plain,
    ( ~ subgroup_member(c)
    | ~ subgroup_member(a) ),
    inference(mrr,[status(thm)],[29,7]),
    [iquote('0:MRR:29.2,7.0')] ).

cnf(41,plain,
    ( ~ subgroup_member(inverse(a))
    | subgroup_member(c) ),
    inference(res,[status(thm),theory(equality)],[5,18]),
    [iquote('0:Res:5.0,18.1')] ).

cnf(45,plain,
    ( ~ subgroup_member(a)
    | subgroup_member(c) ),
    inference(sor,[status(thm)],[41,16]),
    [iquote('0:SoR:41.0,16.1')] ).

cnf(46,plain,
    ~ subgroup_member(a),
    inference(mrr,[status(thm)],[45,35]),
    [iquote('0:MRR:45.1,35.0')] ).

cnf(73,plain,
    ( ~ product(u,identity,v)
    | equal(v,u) ),
    inference(res,[status(thm),theory(equality)],[9,13]),
    [iquote('0:Res:9.0,13.0')] ).

cnf(78,plain,
    ( ~ product(u,v,w)
    | equal(w,multiply(u,v)) ),
    inference(res,[status(thm),theory(equality)],[12,13]),
    [iquote('0:Res:12.0,13.0')] ).

cnf(93,plain,
    ( ~ product(u,v,identity)
    | ~ product(w,u,x)
    | product(x,v,w) ),
    inference(res,[status(thm),theory(equality)],[9,15]),
    [iquote('0:Res:9.0,15.0')] ).

cnf(96,plain,
    ( ~ product(u,v,w)
    | ~ product(inverse(w),u,x)
    | product(x,v,identity) ),
    inference(res,[status(thm),theory(equality)],[10,15]),
    [iquote('0:Res:10.0,15.0')] ).

cnf(117,plain,
    ( ~ product(u,v,w)
    | ~ product(x,u,identity)
    | product(x,w,v) ),
    inference(res,[status(thm),theory(equality)],[8,14]),
    [iquote('0:Res:8.0,14.0')] ).

cnf(122,plain,
    ( ~ product(u,inverse(v),w)
    | ~ product(x,u,v)
    | product(x,w,identity) ),
    inference(res,[status(thm),theory(equality)],[11,14]),
    [iquote('0:Res:11.0,14.0')] ).

cnf(237,plain,
    ( ~ product(u,a,identity)
    | product(u,d,c) ),
    inference(res,[status(thm),theory(equality)],[8,32]),
    [iquote('0:Res:8.0,32.0')] ).

cnf(269,plain,
    ( ~ product(u,a,identity)
    | equal(multiply(u,d),c) ),
    inference(res,[status(thm),theory(equality)],[237,78]),
    [iquote('0:Res:237.1,78.0')] ).

cnf(382,plain,
    ( ~ product(u,inverse(v),w)
    | product(w,v,u) ),
    inference(res,[status(thm),theory(equality)],[10,93]),
    [iquote('0:Res:10.0,93.0')] ).

cnf(412,plain,
    ( ~ product(u,inverse(v),identity)
    | product(u,identity,v) ),
    inference(res,[status(thm),theory(equality)],[10,117]),
    [iquote('0:Res:10.0,117.0')] ).

cnf(413,plain,
    ( ~ product(u,v,identity)
    | product(u,identity,inverse(v)) ),
    inference(res,[status(thm),theory(equality)],[11,117]),
    [iquote('0:Res:11.0,117.0')] ).

cnf(480,plain,
    equal(multiply(inverse(a),d),c),
    inference(res,[status(thm),theory(equality)],[10,269]),
    [iquote('0:Res:10.0,269.0')] ).

cnf(491,plain,
    product(inverse(a),d,c),
    inference(spr,[status(thm),theory(equality)],[480,12]),
    [iquote('0:SpR:480.0,12.0')] ).

cnf(535,plain,
    ( ~ product(d,u,a)
    | product(c,u,identity) ),
    inference(res,[status(thm),theory(equality)],[491,96]),
    [iquote('0:Res:491.0,96.1')] ).

cnf(541,plain,
    ( subgroup_member(a)
    | product(c,element_in_O2(d,a),identity) ),
    inference(res,[status(thm),theory(equality)],[21,535]),
    [iquote('0:Res:21.1,535.0')] ).

cnf(545,plain,
    product(c,element_in_O2(d,a),identity),
    inference(mrr,[status(thm)],[541,46]),
    [iquote('0:MRR:541.0,46.0')] ).

cnf(659,plain,
    ( ~ product(u,b,a)
    | product(u,c,identity) ),
    inference(res,[status(thm),theory(equality)],[5,122]),
    [iquote('0:Res:5.0,122.0')] ).

cnf(1145,plain,
    product(inverse(inverse(u)),identity,u),
    inference(res,[status(thm),theory(equality)],[10,412]),
    [iquote('0:Res:10.0,412.0')] ).

cnf(1162,plain,
    equal(inverse(inverse(u)),u),
    inference(res,[status(thm),theory(equality)],[1145,73]),
    [iquote('0:Res:1145.0,73.0')] ).

cnf(1234,plain,
    ( ~ product(u,v,identity)
    | equal(inverse(v),u) ),
    inference(res,[status(thm),theory(equality)],[413,73]),
    [iquote('0:Res:413.1,73.0')] ).

cnf(1374,plain,
    equal(inverse(element_in_O2(d,a)),c),
    inference(res,[status(thm),theory(equality)],[545,1234]),
    [iquote('0:Res:545.0,1234.0')] ).

cnf(1379,plain,
    ( ~ product(u,b,a)
    | equal(inverse(c),u) ),
    inference(res,[status(thm),theory(equality)],[659,1234]),
    [iquote('0:Res:659.1,1234.0')] ).

cnf(1397,plain,
    equal(element_in_O2(d,a),inverse(c)),
    inference(spr,[status(thm),theory(equality)],[1374,1162]),
    [iquote('0:SpR:1374.0,1162.0')] ).

cnf(1444,plain,
    ( subgroup_member(a)
    | subgroup_member(inverse(c)) ),
    inference(spr,[status(thm),theory(equality)],[1397,22]),
    [iquote('0:SpR:1397.0,22.1')] ).

cnf(1454,plain,
    subgroup_member(inverse(c)),
    inference(mrr,[status(thm)],[1444,46]),
    [iquote('0:MRR:1444.0,46.0')] ).

cnf(1686,plain,
    product(multiply(u,inverse(v)),v,u),
    inference(res,[status(thm),theory(equality)],[12,382]),
    [iquote('0:Res:12.0,382.0')] ).

cnf(1762,plain,
    equal(multiply(a,inverse(b)),inverse(c)),
    inference(res,[status(thm),theory(equality)],[1686,1379]),
    [iquote('0:Res:1686.0,1379.0')] ).

cnf(1785,plain,
    product(inverse(c),b,a),
    inference(spr,[status(thm),theory(equality)],[1762,1686]),
    [iquote('0:SpR:1762.0,1686.0')] ).

cnf(1855,plain,
    ( ~ subgroup_member(b)
    | ~ subgroup_member(inverse(c))
    | subgroup_member(a) ),
    inference(res,[status(thm),theory(equality)],[1785,17]),
    [iquote('0:Res:1785.0,17.2')] ).

cnf(1867,plain,
    subgroup_member(a),
    inference(ssi,[status(thm)],[1855,1454,4]),
    [iquote('0:SSi:1855.1,1855.0,1454.0,4.0')] ).

cnf(1868,plain,
    $false,
    inference(mrr,[status(thm)],[1867,46]),
    [iquote('0:MRR:1867.0,46.0')] ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.03/0.12  % Problem  : GRP039-4 : TPTP v8.1.0. Released v1.0.0.
% 0.03/0.13  % Command  : run_spass %d %s
% 0.12/0.34  % Computer : n004.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 : Mon Jun 13 19:16:09 EDT 2022
% 0.12/0.34  % CPUTime  : 
% 0.49/0.71  
% 0.49/0.71  SPASS V 3.9 
% 0.49/0.71  SPASS beiseite: Proof found.
% 0.49/0.71  % SZS status Theorem
% 0.49/0.71  Problem: /export/starexec/sandbox2/benchmark/theBenchmark.p 
% 0.49/0.71  SPASS derived 1502 clauses, backtracked 25 clauses, performed 1 splits and kept 742 clauses.
% 0.49/0.71  SPASS allocated 76871 KBytes.
% 0.49/0.71  SPASS spent	0:00:00.35 on the problem.
% 0.49/0.71  		0:00:00.03 for the input.
% 0.49/0.71  		0:00:00.00 for the FLOTTER CNF translation.
% 0.49/0.71  		0:00:00.02 for inferences.
% 0.49/0.71  		0:00:00.00 for the backtracking.
% 0.49/0.71  		0:00:00.27 for the reduction.
% 0.49/0.71  
% 0.49/0.71  
% 0.49/0.71  Here is a proof with depth 10, length 56 :
% 0.49/0.71  % SZS output start Refutation
% See solution above
% 0.49/0.71  Formulae used in the proof : an_element_in_O2 property_of_O2 b_is_in_subgroup b_times_a_inverse_is_c a_times_c_is_d prove_d_is_in_subgroup left_identity right_identity left_inverse right_inverse total_function1 total_function2 associativity1 associativity2 closure_of_inverse closure_of_product
% 0.49/0.71  
%------------------------------------------------------------------------------