TSTP Solution File: SET584+3 by SPASS---3.9

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : SPASS---3.9
% Problem  : SET584+3 : TPTP v8.1.0. Released v2.2.0.
% Transfm  : none
% Format   : tptp
% Command  : run_spass %d %s

% Computer : n012.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 05:27:08 EDT 2022

% Result   : Theorem 0.19s 0.55s
% Output   : Refutation 0.19s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :    6
%            Number of leaves      :    8
% Syntax   : Number of clauses     :   18 (   4 unt;   6 nHn;  18 RR)
%            Number of literals    :   36 (   0 equ;  11 neg)
%            Maximal clause size   :    3 (   2 avg)
%            Maximal term depth    :    3 (   1 avg)
%            Number of predicates  :    3 (   2 usr;   1 prp; 0-2 aty)
%            Number of functors    :    9 (   9 usr;   7 con; 0-2 aty)
%            Number of variables   :    0 (   0 sgn)

% Comments : 
%------------------------------------------------------------------------------
cnf(1,axiom,
    subset(skc3,skc4),
    file('SET584+3.p',unknown),
    [] ).

cnf(4,axiom,
    ~ subset(union(skc3,skc5),union(skc4,skc5)),
    file('SET584+3.p',unknown),
    [] ).

cnf(5,axiom,
    ( subset(u,v)
    | member(skf2(v,u),u) ),
    file('SET584+3.p',unknown),
    [] ).

cnf(6,axiom,
    ( ~ member(u,v)
    | member(u,union(v,w)) ),
    file('SET584+3.p',unknown),
    [] ).

cnf(7,axiom,
    ( ~ member(u,v)
    | member(u,union(w,v)) ),
    file('SET584+3.p',unknown),
    [] ).

cnf(8,axiom,
    ( ~ member(skf2(u,v),u)
    | subset(w,u) ),
    file('SET584+3.p',unknown),
    [] ).

cnf(9,axiom,
    ( ~ member(u,v)
    | ~ subset(v,w)
    | member(u,w) ),
    file('SET584+3.p',unknown),
    [] ).

cnf(12,axiom,
    ( ~ member(u,union(v,w))
    | member(u,v)
    | member(u,w) ),
    file('SET584+3.p',unknown),
    [] ).

cnf(15,plain,
    ( ~ member(u,skc3)
    | member(u,skc4) ),
    inference(res,[status(thm),theory(equality)],[1,9]),
    [iquote('0:Res:1.0,9.0')] ).

cnf(27,plain,
    ( ~ member(skf2(union(u,v),w),v)
    | subset(x,union(u,v)) ),
    inference(res,[status(thm),theory(equality)],[7,8]),
    [iquote('0:Res:7.1,8.0')] ).

cnf(28,plain,
    ( ~ member(skf2(union(u,v),w),u)
    | subset(x,union(u,v)) ),
    inference(res,[status(thm),theory(equality)],[6,8]),
    [iquote('0:Res:6.1,8.0')] ).

cnf(49,plain,
    ( subset(union(u,v),w)
    | member(skf2(w,union(u,v)),u)
    | member(skf2(w,union(u,v)),v) ),
    inference(res,[status(thm),theory(equality)],[5,12]),
    [iquote('0:Res:5.1,12.0')] ).

cnf(101,plain,
    ( ~ member(skf2(union(skc4,u),v),skc3)
    | subset(w,union(skc4,u)) ),
    inference(res,[status(thm),theory(equality)],[15,28]),
    [iquote('0:Res:15.1,28.0')] ).

cnf(357,plain,
    ( subset(union(u,v),union(w,v))
    | member(skf2(union(w,v),union(u,v)),u)
    | subset(x,union(w,v)) ),
    inference(res,[status(thm),theory(equality)],[49,27]),
    [iquote('0:Res:49.2,27.0')] ).

cnf(362,plain,
    ( subset(union(u,v),union(w,v))
    | member(skf2(union(w,v),union(u,v)),u) ),
    inference(con,[status(thm)],[357]),
    [iquote('0:Con:357.2')] ).

cnf(976,plain,
    ( subset(union(skc3,u),union(skc4,u))
    | subset(v,union(skc4,u)) ),
    inference(res,[status(thm),theory(equality)],[362,101]),
    [iquote('0:Res:362.1,101.0')] ).

cnf(981,plain,
    subset(union(skc3,u),union(skc4,u)),
    inference(con,[status(thm)],[976]),
    [iquote('0:Con:976.1')] ).

cnf(982,plain,
    $false,
    inference(unc,[status(thm)],[981,4]),
    [iquote('0:UnC:981.0,4.0')] ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.11/0.12  % Problem  : SET584+3 : TPTP v8.1.0. Released v2.2.0.
% 0.11/0.13  % Command  : run_spass %d %s
% 0.12/0.34  % Computer : n012.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 : Sun Jul 10 02:59:13 EDT 2022
% 0.12/0.34  % CPUTime  : 
% 0.19/0.55  
% 0.19/0.55  SPASS V 3.9 
% 0.19/0.55  SPASS beiseite: Proof found.
% 0.19/0.55  % SZS status Theorem
% 0.19/0.55  Problem: /export/starexec/sandbox2/benchmark/theBenchmark.p 
% 0.19/0.55  SPASS derived 828 clauses, backtracked 43 clauses, performed 1 splits and kept 382 clauses.
% 0.19/0.55  SPASS allocated 85849 KBytes.
% 0.19/0.55  SPASS spent	0:00:00.19 on the problem.
% 0.19/0.55  		0:00:00.04 for the input.
% 0.19/0.55  		0:00:00.03 for the FLOTTER CNF translation.
% 0.19/0.55  		0:00:00.01 for inferences.
% 0.19/0.55  		0:00:00.00 for the backtracking.
% 0.19/0.55  		0:00:00.09 for the reduction.
% 0.19/0.55  
% 0.19/0.55  
% 0.19/0.55  Here is a proof with depth 3, length 18 :
% 0.19/0.55  % SZS output start Refutation
% See solution above
% 0.19/0.55  Formulae used in the proof : prove_th33 subset_defn union_defn
% 0.19/0.55  
%------------------------------------------------------------------------------