TSTP Solution File: SET096-6 by SPASS---3.9

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : SPASS---3.9
% Problem  : SET096-6 : TPTP v8.1.0. Bugfixed v2.1.0.
% Transfm  : none
% Format   : tptp
% Command  : run_spass %d %s

% Computer : n020.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 : Tue Jul 19 05:23:58 EDT 2022

% Result   : Unsatisfiable 1.36s 1.53s
% Output   : Refutation 1.36s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :    7
%            Number of leaves      :   10
% Syntax   : Number of clauses     :   24 (  10 unt;   6 nHn;  24 RR)
%            Number of literals    :   43 (   0 equ;  17 neg)
%            Maximal clause size   :    3 (   1 avg)
%            Maximal term depth    :    3 (   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,
    subclass(x__dfg,singleton(y__dfg)),
    file('SET096-6.p',unknown),
    [] ).

cnf(2,axiom,
    ~ equal(null_class,x__dfg),
    file('SET096-6.p',unknown),
    [] ).

cnf(3,axiom,
    ~ equal(singleton(y__dfg),x__dfg),
    file('SET096-6.p',unknown),
    [] ).

cnf(4,axiom,
    ( ~ member(u,v)
    | ~ subclass(v,w)
    | member(u,w) ),
    file('SET096-6.p',unknown),
    [] ).

cnf(5,axiom,
    ( subclass(u,v)
    | member(not_subclass_element(u,v),u) ),
    file('SET096-6.p',unknown),
    [] ).

cnf(6,axiom,
    ( ~ member(not_subclass_element(u,v),v)
    | subclass(u,v) ),
    file('SET096-6.p',unknown),
    [] ).

cnf(10,axiom,
    ( ~ subclass(u,v)
    | ~ subclass(v,u)
    | equal(v,u) ),
    file('SET096-6.p',unknown),
    [] ).

cnf(11,axiom,
    ( ~ member(u,unordered_pair(v,w))
    | equal(u,w)
    | equal(u,v) ),
    file('SET096-6.p',unknown),
    [] ).

cnf(15,axiom,
    equal(unordered_pair(u,u),singleton(u)),
    file('SET096-6.p',unknown),
    [] ).

cnf(69,axiom,
    ( equal(u,null_class)
    | member(regular(u),u) ),
    file('SET096-6.p',unknown),
    [] ).

cnf(102,plain,
    member(regular(x__dfg),x__dfg),
    inference(res,[status(thm),theory(equality)],[69,2]),
    [iquote('0:Res:69.0,2.0')] ).

cnf(106,plain,
    ( ~ member(u,x__dfg)
    | member(u,singleton(y__dfg)) ),
    inference(res,[status(thm),theory(equality)],[1,4]),
    [iquote('0:Res:1.0,4.0')] ).

cnf(107,plain,
    ( ~ subclass(singleton(y__dfg),x__dfg)
    | equal(singleton(y__dfg),x__dfg) ),
    inference(res,[status(thm),theory(equality)],[1,10]),
    [iquote('0:Res:1.0,10.0')] ).

cnf(115,plain,
    ~ subclass(singleton(y__dfg),x__dfg),
    inference(mrr,[status(thm)],[107,3]),
    [iquote('0:MRR:107.1,3.0')] ).

cnf(477,plain,
    ( ~ member(u,singleton(v))
    | equal(u,v)
    | equal(u,v) ),
    inference(spl,[status(thm),theory(equality)],[15,11]),
    [iquote('0:SpL:15.0,11.0')] ).

cnf(489,plain,
    ( ~ member(u,singleton(v))
    | equal(u,v) ),
    inference(obv,[status(thm),theory(equality)],[477]),
    [iquote('0:Obv:477.1')] ).

cnf(491,plain,
    ( ~ member(u,x__dfg)
    | equal(u,y__dfg) ),
    inference(res,[status(thm),theory(equality)],[106,489]),
    [iquote('0:Res:106.1,489.0')] ).

cnf(497,plain,
    ( subclass(singleton(u),v)
    | equal(not_subclass_element(singleton(u),v),u) ),
    inference(res,[status(thm),theory(equality)],[5,489]),
    [iquote('0:Res:5.1,489.0')] ).

cnf(503,plain,
    equal(regular(x__dfg),y__dfg),
    inference(res,[status(thm),theory(equality)],[102,491]),
    [iquote('0:Res:102.0,491.0')] ).

cnf(517,plain,
    member(y__dfg,x__dfg),
    inference(rew,[status(thm),theory(equality)],[503,102]),
    [iquote('0:Rew:503.0,102.0')] ).

cnf(5253,plain,
    ( ~ member(u,v)
    | subclass(singleton(u),v)
    | subclass(singleton(u),v) ),
    inference(spl,[status(thm),theory(equality)],[497,6]),
    [iquote('0:SpL:497.1,6.0')] ).

cnf(5257,plain,
    ( ~ member(u,v)
    | subclass(singleton(u),v) ),
    inference(obv,[status(thm),theory(equality)],[5253]),
    [iquote('0:Obv:5253.1')] ).

cnf(5268,plain,
    ~ member(y__dfg,x__dfg),
    inference(res,[status(thm),theory(equality)],[5257,115]),
    [iquote('0:Res:5257.1,115.0')] ).

cnf(5269,plain,
    $false,
    inference(mrr,[status(thm)],[5268,517]),
    [iquote('0:MRR:5268.0,517.0')] ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.12/0.12  % Problem  : SET096-6 : TPTP v8.1.0. Bugfixed v2.1.0.
% 0.12/0.13  % Command  : run_spass %d %s
% 0.14/0.34  % Computer : n020.cluster.edu
% 0.14/0.34  % Model    : x86_64 x86_64
% 0.14/0.34  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.14/0.34  % Memory   : 8042.1875MB
% 0.14/0.34  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.14/0.34  % CPULimit : 300
% 0.14/0.34  % WCLimit  : 600
% 0.14/0.34  % DateTime : Sat Jul  9 23:24:28 EDT 2022
% 0.14/0.34  % CPUTime  : 
% 1.36/1.53  
% 1.36/1.53  SPASS V 3.9 
% 1.36/1.53  SPASS beiseite: Proof found.
% 1.36/1.53  % SZS status Theorem
% 1.36/1.53  Problem: /export/starexec/sandbox/benchmark/theBenchmark.p 
% 1.36/1.53  SPASS derived 4421 clauses, backtracked 0 clauses, performed 2 splits and kept 2588 clauses.
% 1.36/1.53  SPASS allocated 80763 KBytes.
% 1.36/1.53  SPASS spent	0:00:01.15 on the problem.
% 1.36/1.53  		0:00:00.04 for the input.
% 1.36/1.53  		0:00:00.00 for the FLOTTER CNF translation.
% 1.36/1.53  		0:00:00.06 for inferences.
% 1.36/1.53  		0:00:00.01 for the backtracking.
% 1.36/1.53  		0:00:00.98 for the reduction.
% 1.36/1.53  
% 1.36/1.53  
% 1.36/1.53  Here is a proof with depth 4, length 24 :
% 1.36/1.53  % SZS output start Refutation
% See solution above
% 1.36/1.53  Formulae used in the proof : prove_two_subsets_of_singleton_1 prove_two_subsets_of_singleton_2 prove_two_subsets_of_singleton_3 subclass_members not_subclass_members1 not_subclass_members2 subclass_implies_equal unordered_pair_member singleton_set regularity1
% 1.36/1.53  
%------------------------------------------------------------------------------