TSTP Solution File: SET005-1 by SPASS---3.9

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : SPASS---3.9
% Problem  : SET005-1 : TPTP v8.1.0. Released v1.0.0.
% Transfm  : none
% Format   : tptp
% Command  : run_spass %d %s

% Computer : n023.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 05:22:21 EDT 2022

% Result   : Unsatisfiable 0.20s 0.42s
% Output   : Refutation 0.20s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   13
%            Number of leaves      :   13
% Syntax   : Number of clauses     :   52 (  15 unt;   7 nHn;  52 RR)
%            Number of literals    :  105 (   0 equ;  51 neg)
%            Maximal clause size   :    4 (   2 avg)
%            Maximal term depth    :    2 (   1 avg)
%            Number of predicates  :    4 (   3 usr;   1 prp; 0-3 aty)
%            Number of functors    :   12 (  12 usr;  10 con; 0-3 aty)
%            Number of variables   :    0 (   0 sgn)

% Comments : 
%------------------------------------------------------------------------------
cnf(1,axiom,
    intersection(a,b,aIb),
    file('SET005-1.p',unknown),
    [] ).

cnf(2,axiom,
    intersection(b,c,bIc),
    file('SET005-1.p',unknown),
    [] ).

cnf(3,axiom,
    intersection(a,bIc,aIbIc),
    file('SET005-1.p',unknown),
    [] ).

cnf(4,axiom,
    ~ intersection(aIb,c,aIbIc),
    file('SET005-1.p',unknown),
    [] ).

cnf(5,axiom,
    ( ~ subset(u,v)
    | ~ member(w,u)
    | member(w,v) ),
    file('SET005-1.p',unknown),
    [] ).

cnf(6,axiom,
    ( subset(u,v)
    | member(member_of_1_not_of_2(u,v),u) ),
    file('SET005-1.p',unknown),
    [] ).

cnf(7,axiom,
    ( ~ member(member_of_1_not_of_2(u,v),v)
    | subset(u,v) ),
    file('SET005-1.p',unknown),
    [] ).

cnf(11,axiom,
    ( ~ member(u,v)
    | ~ intersection(w,x,v)
    | member(u,w) ),
    file('SET005-1.p',unknown),
    [] ).

cnf(12,axiom,
    ( ~ member(u,v)
    | ~ intersection(w,x,v)
    | member(u,x) ),
    file('SET005-1.p',unknown),
    [] ).

cnf(13,axiom,
    ( ~ member(u,v)
    | ~ member(u,w)
    | ~ intersection(v,w,x)
    | member(u,x) ),
    file('SET005-1.p',unknown),
    [] ).

cnf(14,axiom,
    ( member(h(u,v,w),u)
    | member(h(u,v,w),w)
    | intersection(u,v,w) ),
    file('SET005-1.p',unknown),
    [] ).

cnf(15,axiom,
    ( member(h(u,v,w),v)
    | member(h(u,v,w),w)
    | intersection(u,v,w) ),
    file('SET005-1.p',unknown),
    [] ).

cnf(16,axiom,
    ( ~ member(h(u,v,w),u)
    | ~ member(h(u,v,w),v)
    | ~ member(h(u,v,w),w)
    | intersection(u,v,w) ),
    file('SET005-1.p',unknown),
    [] ).

cnf(17,plain,
    ( ~ member(h(aIb,c,aIbIc),aIb)
    | ~ member(h(aIb,c,aIbIc),c)
    | ~ member(h(aIb,c,aIbIc),aIbIc) ),
    inference(res,[status(thm),theory(equality)],[16,4]),
    [iquote('0:Res:16.3,4.0')] ).

cnf(18,plain,
    ( member(h(aIb,c,aIbIc),aIb)
    | member(h(aIb,c,aIbIc),aIbIc) ),
    inference(res,[status(thm),theory(equality)],[14,4]),
    [iquote('0:Res:14.1,4.0')] ).

cnf(19,plain,
    ( member(h(aIb,c,aIbIc),c)
    | member(h(aIb,c,aIbIc),aIbIc) ),
    inference(res,[status(thm),theory(equality)],[15,4]),
    [iquote('0:Res:15.1,4.0')] ).

cnf(20,plain,
    member(h(aIb,c,aIbIc),aIbIc),
    inference(spt,[spt(split,[position(s1)])],[19]),
    [iquote('1:Spt:19.1')] ).

cnf(21,plain,
    ( ~ member(h(aIb,c,aIbIc),aIb)
    | ~ member(h(aIb,c,aIbIc),c) ),
    inference(mrr,[status(thm)],[17,20]),
    [iquote('1:MRR:17.2,20.0')] ).

cnf(27,plain,
    ( ~ member(u,aIbIc)
    | member(u,bIc) ),
    inference(res,[status(thm),theory(equality)],[3,12]),
    [iquote('0:Res:3.0,12.1')] ).

cnf(28,plain,
    ( ~ member(u,aIb)
    | member(u,b) ),
    inference(res,[status(thm),theory(equality)],[1,12]),
    [iquote('0:Res:1.0,12.1')] ).

cnf(29,plain,
    ( ~ member(u,bIc)
    | member(u,c) ),
    inference(res,[status(thm),theory(equality)],[2,12]),
    [iquote('0:Res:2.0,12.1')] ).

cnf(32,plain,
    ( ~ member(u,aIbIc)
    | member(u,a) ),
    inference(res,[status(thm),theory(equality)],[3,11]),
    [iquote('0:Res:3.0,11.1')] ).

cnf(33,plain,
    ( ~ member(u,aIb)
    | member(u,a) ),
    inference(res,[status(thm),theory(equality)],[1,11]),
    [iquote('0:Res:1.0,11.1')] ).

cnf(34,plain,
    ( ~ member(u,bIc)
    | member(u,b) ),
    inference(res,[status(thm),theory(equality)],[2,11]),
    [iquote('0:Res:2.0,11.1')] ).

cnf(35,plain,
    ( ~ member(member_of_1_not_of_2(u,c),bIc)
    | subset(u,c) ),
    inference(res,[status(thm),theory(equality)],[29,7]),
    [iquote('0:Res:29.1,7.0')] ).

cnf(38,plain,
    ( ~ member(member_of_1_not_of_2(u,b),bIc)
    | subset(u,b) ),
    inference(res,[status(thm),theory(equality)],[34,7]),
    [iquote('0:Res:34.1,7.0')] ).

cnf(39,plain,
    ( ~ member(u,a)
    | ~ member(u,bIc)
    | member(u,aIbIc) ),
    inference(res,[status(thm),theory(equality)],[3,13]),
    [iquote('0:Res:3.0,13.2')] ).

cnf(40,plain,
    ( ~ member(u,a)
    | ~ member(u,b)
    | member(u,aIb) ),
    inference(res,[status(thm),theory(equality)],[1,13]),
    [iquote('0:Res:1.0,13.2')] ).

cnf(41,plain,
    ( ~ member(u,b)
    | ~ member(u,c)
    | member(u,bIc) ),
    inference(res,[status(thm),theory(equality)],[2,13]),
    [iquote('0:Res:2.0,13.2')] ).

cnf(50,plain,
    ( ~ member(member_of_1_not_of_2(u,c),aIbIc)
    | subset(u,c) ),
    inference(res,[status(thm),theory(equality)],[27,35]),
    [iquote('0:Res:27.1,35.0')] ).

cnf(61,plain,
    ( ~ member(member_of_1_not_of_2(u,b),aIbIc)
    | subset(u,b) ),
    inference(res,[status(thm),theory(equality)],[27,38]),
    [iquote('0:Res:27.1,38.0')] ).

cnf(73,plain,
    ( subset(aIbIc,c)
    | subset(aIbIc,c) ),
    inference(res,[status(thm),theory(equality)],[6,50]),
    [iquote('0:Res:6.1,50.0')] ).

cnf(74,plain,
    subset(aIbIc,c),
    inference(obv,[status(thm),theory(equality)],[73]),
    [iquote('0:Obv:73.0')] ).

cnf(75,plain,
    ( ~ member(u,aIbIc)
    | member(u,c) ),
    inference(res,[status(thm),theory(equality)],[74,5]),
    [iquote('0:Res:74.0,5.0')] ).

cnf(78,plain,
    ( subset(aIbIc,b)
    | subset(aIbIc,b) ),
    inference(res,[status(thm),theory(equality)],[6,61]),
    [iquote('0:Res:6.1,61.0')] ).

cnf(79,plain,
    subset(aIbIc,b),
    inference(obv,[status(thm),theory(equality)],[78]),
    [iquote('0:Obv:78.0')] ).

cnf(83,plain,
    ( ~ member(u,aIbIc)
    | member(u,b) ),
    inference(res,[status(thm),theory(equality)],[79,5]),
    [iquote('0:Res:79.0,5.0')] ).

cnf(99,plain,
    ( ~ member(u,aIb)
    | ~ member(u,bIc)
    | member(u,aIbIc) ),
    inference(res,[status(thm),theory(equality)],[33,39]),
    [iquote('0:Res:33.1,39.0')] ).

cnf(109,plain,
    ( ~ member(u,aIbIc)
    | ~ member(u,b)
    | member(u,aIb) ),
    inference(res,[status(thm),theory(equality)],[32,40]),
    [iquote('0:Res:32.1,40.0')] ).

cnf(110,plain,
    ( ~ member(u,aIbIc)
    | member(u,aIb) ),
    inference(mrr,[status(thm)],[109,83]),
    [iquote('0:MRR:109.1,83.1')] ).

cnf(127,plain,
    ( ~ member(u,aIb)
    | ~ member(u,c)
    | member(u,bIc) ),
    inference(res,[status(thm),theory(equality)],[28,41]),
    [iquote('0:Res:28.1,41.0')] ).

cnf(162,plain,
    ( ~ member(h(aIb,c,aIbIc),aIbIc)
    | ~ member(h(aIb,c,aIbIc),c) ),
    inference(res,[status(thm),theory(equality)],[110,21]),
    [iquote('1:Res:110.1,21.0')] ).

cnf(163,plain,
    ~ member(h(aIb,c,aIbIc),c),
    inference(mrr,[status(thm)],[162,20]),
    [iquote('1:MRR:162.0,20.0')] ).

cnf(168,plain,
    ~ member(h(aIb,c,aIbIc),aIbIc),
    inference(res,[status(thm),theory(equality)],[75,163]),
    [iquote('1:Res:75.1,163.0')] ).

cnf(170,plain,
    $false,
    inference(mrr,[status(thm)],[168,20]),
    [iquote('1:MRR:168.0,20.0')] ).

cnf(171,plain,
    ~ member(h(aIb,c,aIbIc),aIbIc),
    inference(spt,[spt(split,[position(sa)])],[170,20]),
    [iquote('1:Spt:170.0,19.1,20.0')] ).

cnf(172,plain,
    member(h(aIb,c,aIbIc),c),
    inference(spt,[spt(split,[position(s2)])],[19]),
    [iquote('1:Spt:170.0,19.0')] ).

cnf(173,plain,
    member(h(aIb,c,aIbIc),aIb),
    inference(mrr,[status(thm)],[18,110]),
    [iquote('0:MRR:18.1,110.0')] ).

cnf(175,plain,
    ( ~ member(h(aIb,c,aIbIc),c)
    | member(h(aIb,c,aIbIc),bIc) ),
    inference(res,[status(thm),theory(equality)],[173,127]),
    [iquote('0:Res:173.0,127.0')] ).

cnf(176,plain,
    ( ~ member(h(aIb,c,aIbIc),bIc)
    | member(h(aIb,c,aIbIc),aIbIc) ),
    inference(res,[status(thm),theory(equality)],[173,99]),
    [iquote('0:Res:173.0,99.0')] ).

cnf(177,plain,
    member(h(aIb,c,aIbIc),bIc),
    inference(mrr,[status(thm)],[175,172]),
    [iquote('1:MRR:175.0,172.0')] ).

cnf(178,plain,
    $false,
    inference(mrr,[status(thm)],[176,177,171]),
    [iquote('1:MRR:176.0,176.1,177.0,171.0')] ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.06/0.12  % Problem  : SET005-1 : TPTP v8.1.0. Released v1.0.0.
% 0.06/0.13  % Command  : run_spass %d %s
% 0.13/0.34  % Computer : n023.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 12:59:25 EDT 2022
% 0.13/0.34  % CPUTime  : 
% 0.20/0.42  
% 0.20/0.42  SPASS V 3.9 
% 0.20/0.42  SPASS beiseite: Proof found.
% 0.20/0.42  % SZS status Theorem
% 0.20/0.42  Problem: /export/starexec/sandbox/benchmark/theBenchmark.p 
% 0.20/0.42  SPASS derived 136 clauses, backtracked 4 clauses, performed 1 splits and kept 120 clauses.
% 0.20/0.42  SPASS allocated 63229 KBytes.
% 0.20/0.42  SPASS spent	0:00:00.07 on the problem.
% 0.20/0.42  		0:00:00.04 for the input.
% 0.20/0.42  		0:00:00.00 for the FLOTTER CNF translation.
% 0.20/0.42  		0:00:00.00 for inferences.
% 0.20/0.42  		0:00:00.00 for the backtracking.
% 0.20/0.42  		0:00:00.01 for the reduction.
% 0.20/0.42  
% 0.20/0.42  
% 0.20/0.42  Here is a proof with depth 6, length 52 :
% 0.20/0.42  % SZS output start Refutation
% See solution above
% 0.20/0.42  Formulae used in the proof : a_intersection_b b_intersection_c a_intersection_bIc prove_aIb_intersection_c_is_aIbIc membership_in_subsets subsets_axiom1 subsets_axiom2 member_of_intersection_is_member_of_set1 member_of_intersection_is_member_of_set2 member_of_both_is_member_of_intersection intersection_axiom1 intersection_axiom2 intersection_axiom3
% 0.20/0.42  
%------------------------------------------------------------------------------