TSTP Solution File: SET646+3 by SPASS---3.9

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : SPASS---3.9
% Problem  : SET646+3 : TPTP v8.1.0. Released v2.2.0.
% Transfm  : none
% Format   : tptp
% Command  : run_spass %d %s

% Computer : n026.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 05:27:49 EDT 2022

% Result   : Theorem 0.48s 0.67s
% Output   : Refutation 0.48s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :    9
%            Number of leaves      :   12
% Syntax   : Number of clauses     :   32 (  10 unt;   5 nHn;  32 RR)
%            Number of literals    :   78 (   0 equ;  45 neg)
%            Maximal clause size   :    7 (   2 avg)
%            Maximal term depth    :    4 (   1 avg)
%            Number of predicates  :    5 (   4 usr;   1 prp; 0-2 aty)
%            Number of functors    :   17 (  17 usr;   9 con; 0-2 aty)
%            Number of variables   :    0 (   0 sgn)

% Comments : 
%------------------------------------------------------------------------------
cnf(5,axiom,
    member(skc7,skc5),
    file('SET646+3.p',unknown),
    [] ).

cnf(6,axiom,
    member(skc6,skc4),
    file('SET646+3.p',unknown),
    [] ).

cnf(7,axiom,
    ilf_type(u,set_type),
    file('SET646+3.p',unknown),
    [] ).

cnf(20,axiom,
    ~ ilf_type(singleton(ordered_pair(skc6,skc7)),relation_type(skc4,skc5)),
    file('SET646+3.p',unknown),
    [] ).

cnf(31,axiom,
    ( ~ empty(u)
    | ~ ilf_type(v,set_type)
    | ~ member(v,u)
    | ~ ilf_type(u,set_type) ),
    file('SET646+3.p',unknown),
    [] ).

cnf(36,axiom,
    ( ~ ilf_type(u,set_type)
    | ~ ilf_type(v,set_type)
    | member(skf16(v,u),u)
    | member(u,power_set(v)) ),
    file('SET646+3.p',unknown),
    [] ).

cnf(39,axiom,
    ( ~ ilf_type(u,member_type(power_set(v)))
    | ~ ilf_type(v,set_type)
    | ~ ilf_type(u,set_type)
    | ilf_type(u,subset_type(v)) ),
    file('SET646+3.p',unknown),
    [] ).

cnf(40,axiom,
    ( ~ member(skf16(u,v),u)
    | ~ ilf_type(v,set_type)
    | ~ ilf_type(u,set_type)
    | member(v,power_set(u)) ),
    file('SET646+3.p',unknown),
    [] ).

cnf(42,axiom,
    ( ~ member(u,v)
    | ~ ilf_type(u,set_type)
    | ~ ilf_type(v,set_type)
    | ilf_type(u,member_type(v))
    | empty(v) ),
    file('SET646+3.p',unknown),
    [] ).

cnf(44,axiom,
    ( ~ ilf_type(u,subset_type(cross_product(v,w)))
    | ~ ilf_type(v,set_type)
    | ~ ilf_type(w,set_type)
    | ilf_type(u,relation_type(v,w)) ),
    file('SET646+3.p',unknown),
    [] ).

cnf(56,axiom,
    ( ~ member(u,v)
    | ~ equal(v,singleton(w))
    | ~ ilf_type(u,set_type)
    | ~ ilf_type(w,set_type)
    | ~ ilf_type(v,set_type)
    | equal(u,w) ),
    file('SET646+3.p',unknown),
    [] ).

cnf(61,axiom,
    ( ~ member(u,v)
    | ~ member(w,x)
    | ~ ilf_type(u,set_type)
    | ~ ilf_type(w,set_type)
    | ~ ilf_type(v,set_type)
    | ~ ilf_type(x,set_type)
    | member(ordered_pair(u,w),cross_product(v,x)) ),
    file('SET646+3.p',unknown),
    [] ).

cnf(69,plain,
    ( ~ empty(u)
    | ~ member(v,u) ),
    inference(mrr,[status(thm)],[31,7]),
    [iquote('0:MRR:31.1,31.3,7.0,7.0')] ).

cnf(76,plain,
    ( member(u,power_set(v))
    | member(skf16(v,u),u) ),
    inference(mrr,[status(thm)],[36,7]),
    [iquote('0:MRR:36.0,36.1,7.0,7.0')] ).

cnf(78,plain,
    ( ~ member(u,v)
    | ilf_type(u,member_type(v)) ),
    inference(mrr,[status(thm)],[42,7,69]),
    [iquote('0:MRR:42.1,42.2,42.4,7.0,7.0,69.0')] ).

cnf(80,plain,
    ( ~ member(skf16(u,v),u)
    | member(v,power_set(u)) ),
    inference(mrr,[status(thm)],[40,7]),
    [iquote('0:MRR:40.1,40.2,7.0,7.0')] ).

cnf(81,plain,
    ( ~ ilf_type(u,member_type(power_set(v)))
    | ilf_type(u,subset_type(v)) ),
    inference(mrr,[status(thm)],[39,7]),
    [iquote('0:MRR:39.1,39.2,7.0,7.0')] ).

cnf(84,plain,
    ( ~ ilf_type(u,subset_type(cross_product(v,w)))
    | ilf_type(u,relation_type(v,w)) ),
    inference(mrr,[status(thm)],[44,7]),
    [iquote('0:MRR:44.1,44.2,7.0,7.0')] ).

cnf(95,plain,
    ( ~ member(u,v)
    | ~ equal(v,singleton(w))
    | equal(u,w) ),
    inference(mrr,[status(thm)],[56,7]),
    [iquote('0:MRR:56.2,56.3,56.4,7.0,7.0,7.0')] ).

cnf(102,plain,
    ( ~ member(u,v)
    | ~ member(w,x)
    | member(ordered_pair(w,u),cross_product(x,v)) ),
    inference(mrr,[status(thm)],[61,7]),
    [iquote('0:MRR:61.2,61.3,61.4,61.5,7.0,7.0,7.0,7.0')] ).

cnf(107,plain,
    ( ~ member(u,v)
    | member(ordered_pair(skc6,u),cross_product(skc4,v)) ),
    inference(res,[status(thm),theory(equality)],[6,102]),
    [iquote('0:Res:6.0,102.0')] ).

cnf(123,plain,
    ~ ilf_type(singleton(ordered_pair(skc6,skc7)),subset_type(cross_product(skc4,skc5))),
    inference(res,[status(thm),theory(equality)],[84,20]),
    [iquote('0:Res:84.1,20.0')] ).

cnf(127,plain,
    member(ordered_pair(skc6,skc7),cross_product(skc4,skc5)),
    inference(res,[status(thm),theory(equality)],[5,107]),
    [iquote('0:Res:5.0,107.0')] ).

cnf(173,plain,
    ( ~ member(u,power_set(v))
    | ilf_type(u,subset_type(v)) ),
    inference(res,[status(thm),theory(equality)],[78,81]),
    [iquote('0:Res:78.1,81.0')] ).

cnf(303,plain,
    ( ~ member(u,singleton(v))
    | equal(u,v) ),
    inference(eqr,[status(thm),theory(equality)],[95]),
    [iquote('0:EqR:95.1')] ).

cnf(311,plain,
    ( member(singleton(u),power_set(v))
    | equal(skf16(v,singleton(u)),u) ),
    inference(res,[status(thm),theory(equality)],[76,303]),
    [iquote('0:Res:76.1,303.0')] ).

cnf(1550,plain,
    ( equal(skf16(u,singleton(v)),v)
    | ilf_type(singleton(v),subset_type(u)) ),
    inference(res,[status(thm),theory(equality)],[311,173]),
    [iquote('0:Res:311.0,173.0')] ).

cnf(1607,plain,
    equal(skf16(cross_product(skc4,skc5),singleton(ordered_pair(skc6,skc7))),ordered_pair(skc6,skc7)),
    inference(res,[status(thm),theory(equality)],[1550,123]),
    [iquote('0:Res:1550.1,123.0')] ).

cnf(1624,plain,
    ( ~ member(ordered_pair(skc6,skc7),cross_product(skc4,skc5))
    | member(singleton(ordered_pair(skc6,skc7)),power_set(cross_product(skc4,skc5))) ),
    inference(spl,[status(thm),theory(equality)],[1607,80]),
    [iquote('0:SpL:1607.0,80.0')] ).

cnf(1625,plain,
    member(singleton(ordered_pair(skc6,skc7)),power_set(cross_product(skc4,skc5))),
    inference(mrr,[status(thm)],[1624,127]),
    [iquote('0:MRR:1624.0,127.0')] ).

cnf(1637,plain,
    ilf_type(singleton(ordered_pair(skc6,skc7)),subset_type(cross_product(skc4,skc5))),
    inference(res,[status(thm),theory(equality)],[1625,173]),
    [iquote('0:Res:1625.0,173.0')] ).

cnf(1639,plain,
    $false,
    inference(mrr,[status(thm)],[1637,123]),
    [iquote('0:MRR:1637.0,123.0')] ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.07/0.12  % Problem  : SET646+3 : TPTP v8.1.0. Released v2.2.0.
% 0.07/0.13  % Command  : run_spass %d %s
% 0.13/0.34  % Computer : n026.cluster.edu
% 0.13/0.34  % Model    : x86_64 x86_64
% 0.13/0.34  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.13/0.34  % Memory   : 8042.1875MB
% 0.13/0.34  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.13/0.34  % CPULimit : 300
% 0.13/0.34  % WCLimit  : 600
% 0.13/0.34  % DateTime : Sun Jul 10 23:41:11 EDT 2022
% 0.13/0.34  % CPUTime  : 
% 0.48/0.67  
% 0.48/0.67  SPASS V 3.9 
% 0.48/0.67  SPASS beiseite: Proof found.
% 0.48/0.67  % SZS status Theorem
% 0.48/0.67  Problem: /export/starexec/sandbox/benchmark/theBenchmark.p 
% 0.48/0.67  SPASS derived 1459 clauses, backtracked 0 clauses, performed 0 splits and kept 961 clauses.
% 0.48/0.67  SPASS allocated 99160 KBytes.
% 0.48/0.67  SPASS spent	0:00:00.31 on the problem.
% 0.48/0.67  		0:00:00.03 for the input.
% 0.48/0.67  		0:00:00.04 for the FLOTTER CNF translation.
% 0.48/0.67  		0:00:00.02 for inferences.
% 0.48/0.67  		0:00:00.00 for the backtracking.
% 0.48/0.67  		0:00:00.19 for the reduction.
% 0.48/0.67  
% 0.48/0.67  
% 0.48/0.67  Here is a proof with depth 6, length 32 :
% 0.48/0.67  % SZS output start Refutation
% See solution above
% 0.48/0.67  Formulae used in the proof : prove_relset_1_8 p25 p21 p17 p12 p19 p3 p5 p2
% 0.48/0.67  
%------------------------------------------------------------------------------