TSTP Solution File: SET185+3 by SPASS---3.9

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : SPASS---3.9
% Problem  : SET185+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 05:24:51 EDT 2022

% Result   : Theorem 0.18s 0.48s
% Output   : Refutation 0.18s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :    7
%            Number of leaves      :    8
% Syntax   : Number of clauses     :   21 (   6 unt;   7 nHn;  21 RR)
%            Number of literals    :   41 (   0 equ;  14 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    :    8 (   8 usr;   6 con; 0-2 aty)
%            Number of variables   :    0 (   0 sgn)

% Comments : 
%------------------------------------------------------------------------------
cnf(1,axiom,
    subset(skc2,skc3),
    file('SET185+3.p',unknown),
    [] ).

cnf(3,axiom,
    ~ equal(union(skc2,skc3),skc3),
    file('SET185+3.p',unknown),
    [] ).

cnf(7,axiom,
    ( subset(u,v)
    | member(skf2(v,u),u) ),
    file('SET185+3.p',unknown),
    [] ).

cnf(9,axiom,
    ( ~ member(u,v)
    | member(u,union(w,v)) ),
    file('SET185+3.p',unknown),
    [] ).

cnf(10,axiom,
    ( ~ member(skf2(u,v),u)
    | subset(w,u) ),
    file('SET185+3.p',unknown),
    [] ).

cnf(11,axiom,
    ( ~ member(u,v)
    | ~ subset(v,w)
    | member(u,w) ),
    file('SET185+3.p',unknown),
    [] ).

cnf(12,axiom,
    ( ~ subset(u,v)
    | ~ subset(v,u)
    | equal(v,u) ),
    file('SET185+3.p',unknown),
    [] ).

cnf(15,axiom,
    ( ~ member(u,union(v,w))
    | member(u,v)
    | member(u,w) ),
    file('SET185+3.p',unknown),
    [] ).

cnf(19,plain,
    ( ~ member(u,skc2)
    | member(u,skc3) ),
    inference(res,[status(thm),theory(equality)],[1,11]),
    [iquote('0:Res:1.0,11.0')] ).

cnf(21,plain,
    ( ~ subset(skc3,union(skc2,skc3))
    | ~ subset(union(skc2,skc3),skc3) ),
    inference(res,[status(thm),theory(equality)],[12,3]),
    [iquote('0:Res:12.2,3.0')] ).

cnf(36,plain,
    ( ~ member(skf2(skc3,u),skc2)
    | subset(v,skc3) ),
    inference(res,[status(thm),theory(equality)],[19,10]),
    [iquote('0:Res:19.1,10.0')] ).

cnf(37,plain,
    ( ~ member(skf2(union(u,v),w),v)
    | subset(x,union(u,v)) ),
    inference(res,[status(thm),theory(equality)],[9,10]),
    [iquote('0:Res:9.1,10.0')] ).

cnf(65,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)],[7,15]),
    [iquote('0:Res:7.1,15.0')] ).

cnf(106,plain,
    ( subset(u,union(v,u))
    | subset(w,union(v,u)) ),
    inference(res,[status(thm),theory(equality)],[7,37]),
    [iquote('0:Res:7.1,37.0')] ).

cnf(109,plain,
    subset(u,union(v,u)),
    inference(con,[status(thm)],[106]),
    [iquote('0:Con:106.1')] ).

cnf(110,plain,
    ~ subset(union(skc2,skc3),skc3),
    inference(mrr,[status(thm)],[21,109]),
    [iquote('0:MRR:21.0,109.0')] ).

cnf(265,plain,
    ( subset(union(skc2,u),skc3)
    | member(skf2(skc3,union(skc2,u)),u)
    | subset(v,skc3) ),
    inference(res,[status(thm),theory(equality)],[65,36]),
    [iquote('0:Res:65.1,36.0')] ).

cnf(275,plain,
    ( subset(union(skc2,u),skc3)
    | member(skf2(skc3,union(skc2,u)),u) ),
    inference(con,[status(thm)],[265]),
    [iquote('0:Con:265.2')] ).

cnf(409,plain,
    ( subset(union(skc2,skc3),skc3)
    | subset(u,skc3) ),
    inference(res,[status(thm),theory(equality)],[275,10]),
    [iquote('0:Res:275.1,10.0')] ).

cnf(411,plain,
    subset(union(skc2,skc3),skc3),
    inference(con,[status(thm)],[409]),
    [iquote('0:Con:409.1')] ).

cnf(412,plain,
    $false,
    inference(mrr,[status(thm)],[411,110]),
    [iquote('0:MRR:411.0,110.0')] ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.06/0.11  % Problem  : SET185+3 : TPTP v8.1.0. Released v2.2.0.
% 0.06/0.12  % Command  : run_spass %d %s
% 0.12/0.33  % Computer : n026.cluster.edu
% 0.12/0.33  % Model    : x86_64 x86_64
% 0.12/0.33  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.12/0.33  % Memory   : 8042.1875MB
% 0.12/0.33  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.12/0.33  % CPULimit : 300
% 0.12/0.33  % WCLimit  : 600
% 0.12/0.33  % DateTime : Sun Jul 10 10:55:26 EDT 2022
% 0.12/0.33  % CPUTime  : 
% 0.18/0.48  
% 0.18/0.48  SPASS V 3.9 
% 0.18/0.48  SPASS beiseite: Proof found.
% 0.18/0.48  % SZS status Theorem
% 0.18/0.48  Problem: /export/starexec/sandbox2/benchmark/theBenchmark.p 
% 0.18/0.48  SPASS derived 359 clauses, backtracked 0 clauses, performed 0 splits and kept 211 clauses.
% 0.18/0.48  SPASS allocated 85469 KBytes.
% 0.18/0.48  SPASS spent	0:00:00.13 on the problem.
% 0.18/0.48  		0:00:00.03 for the input.
% 0.18/0.48  		0:00:00.03 for the FLOTTER CNF translation.
% 0.18/0.48  		0:00:00.01 for inferences.
% 0.18/0.48  		0:00:00.00 for the backtracking.
% 0.18/0.48  		0:00:00.04 for the reduction.
% 0.18/0.48  
% 0.18/0.48  
% 0.18/0.48  Here is a proof with depth 4, length 21 :
% 0.18/0.48  % SZS output start Refutation
% See solution above
% 0.18/0.48  Formulae used in the proof : prove_subset_union subset_defn union_defn equal_defn
% 0.18/0.48  
%------------------------------------------------------------------------------