TSTP Solution File: SET012-3 by SPASS---3.9

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : SPASS---3.9
% Problem  : SET012-3 : TPTP v8.1.0. Released v1.0.0.
% Transfm  : none
% Format   : tptp
% Command  : run_spass %d %s

% Computer : n027.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 05:22:27 EDT 2022

% Result   : Unsatisfiable 0.20s 0.52s
% Output   : Refutation 0.20s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   11
%            Number of leaves      :    8
% Syntax   : Number of clauses     :   27 (  14 unt;   6 nHn;  27 RR)
%            Number of literals    :   45 (   0 equ;  20 neg)
%            Maximal clause size   :    3 (   1 avg)
%            Maximal term depth    :    2 (   1 avg)
%            Number of predicates  :    4 (   3 usr;   1 prp; 0-2 aty)
%            Number of functors    :    7 (   7 usr;   5 con; 0-2 aty)
%            Number of variables   :    0 (   0 sgn)

% Comments : 
%------------------------------------------------------------------------------
cnf(1,axiom,
    equal(complement(as),bs),
    file('SET012-3.p',unknown),
    [] ).

cnf(2,axiom,
    equal(complement(bs),cs),
    file('SET012-3.p',unknown),
    [] ).

cnf(3,axiom,
    ~ equal(cs,as),
    file('SET012-3.p',unknown),
    [] ).

cnf(5,axiom,
    ( little_set(f1(u,v))
    | equal(u,v) ),
    file('SET012-3.p',unknown),
    [] ).

cnf(6,axiom,
    ( equal(u,v)
    | member(f1(u,v),v)
    | member(f1(u,v),u) ),
    file('SET012-3.p',unknown),
    [] ).

cnf(7,axiom,
    ( ~ member(f1(u,v),v)
    | ~ member(f1(u,v),u)
    | equal(u,v) ),
    file('SET012-3.p',unknown),
    [] ).

cnf(34,axiom,
    ( ~ member(u,v)
    | ~ member(u,complement(v)) ),
    file('SET012-3.p',unknown),
    [] ).

cnf(35,axiom,
    ( ~ little_set(u)
    | member(u,v)
    | member(u,complement(v)) ),
    file('SET012-3.p',unknown),
    [] ).

cnf(152,plain,
    ( ~ member(f1(as,cs),cs)
    | ~ member(f1(as,cs),as) ),
    inference(res,[status(thm),theory(equality)],[7,3]),
    [iquote('0:Res:7.2,3.0')] ).

cnf(153,plain,
    ( member(f1(as,cs),cs)
    | member(f1(as,cs),as) ),
    inference(res,[status(thm),theory(equality)],[6,3]),
    [iquote('0:Res:6.2,3.0')] ).

cnf(156,plain,
    little_set(f1(as,cs)),
    inference(res,[status(thm),theory(equality)],[5,3]),
    [iquote('0:Res:5.1,3.0')] ).

cnf(273,plain,
    ( ~ member(u,bs)
    | ~ member(u,cs) ),
    inference(spl,[status(thm),theory(equality)],[2,34]),
    [iquote('0:SpL:2.0,34.1')] ).

cnf(274,plain,
    ( ~ member(u,as)
    | ~ member(u,bs) ),
    inference(spl,[status(thm),theory(equality)],[1,34]),
    [iquote('0:SpL:1.0,34.1')] ).

cnf(521,plain,
    member(f1(as,cs),cs),
    inference(spt,[spt(split,[position(s1)])],[153]),
    [iquote('1:Spt:153.0')] ).

cnf(522,plain,
    ~ member(f1(as,cs),as),
    inference(mrr,[status(thm)],[152,521]),
    [iquote('1:MRR:152.0,521.0')] ).

cnf(524,plain,
    ~ member(f1(as,cs),bs),
    inference(res,[status(thm),theory(equality)],[521,273]),
    [iquote('1:Res:521.0,273.1')] ).

cnf(548,plain,
    ( ~ little_set(u)
    | member(u,bs)
    | member(u,cs) ),
    inference(spr,[status(thm),theory(equality)],[2,35]),
    [iquote('0:SpR:2.0,35.2')] ).

cnf(549,plain,
    ( ~ little_set(u)
    | member(u,as)
    | member(u,bs) ),
    inference(spr,[status(thm),theory(equality)],[1,35]),
    [iquote('0:SpR:1.0,35.2')] ).

cnf(715,plain,
    ( ~ little_set(f1(as,cs))
    | member(f1(as,cs),as) ),
    inference(res,[status(thm),theory(equality)],[549,524]),
    [iquote('1:Res:549.2,524.0')] ).

cnf(718,plain,
    member(f1(as,cs),as),
    inference(ssi,[status(thm)],[715,156]),
    [iquote('1:SSi:715.0,156.0')] ).

cnf(719,plain,
    $false,
    inference(mrr,[status(thm)],[718,522]),
    [iquote('1:MRR:718.0,522.0')] ).

cnf(728,plain,
    ~ member(f1(as,cs),cs),
    inference(spt,[spt(split,[position(sa)])],[719,521]),
    [iquote('1:Spt:719.0,153.0,521.0')] ).

cnf(729,plain,
    member(f1(as,cs),as),
    inference(spt,[spt(split,[position(s2)])],[153]),
    [iquote('1:Spt:719.0,153.1')] ).

cnf(732,plain,
    ( ~ little_set(f1(as,cs))
    | member(f1(as,cs),bs) ),
    inference(res,[status(thm),theory(equality)],[548,728]),
    [iquote('1:Res:548.2,728.0')] ).

cnf(733,plain,
    member(f1(as,cs),bs),
    inference(ssi,[status(thm)],[732,156]),
    [iquote('1:SSi:732.0,156.0')] ).

cnf(735,plain,
    ~ member(f1(as,cs),as),
    inference(res,[status(thm),theory(equality)],[733,274]),
    [iquote('1:Res:733.0,274.1')] ).

cnf(737,plain,
    $false,
    inference(mrr,[status(thm)],[735,729]),
    [iquote('1:MRR:735.0,729.0')] ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.06/0.12  % Problem  : SET012-3 : TPTP v8.1.0. Released v1.0.0.
% 0.06/0.12  % Command  : run_spass %d %s
% 0.14/0.33  % Computer : n027.cluster.edu
% 0.14/0.33  % Model    : x86_64 x86_64
% 0.14/0.33  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.14/0.33  % Memory   : 8042.1875MB
% 0.14/0.33  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.14/0.33  % CPULimit : 300
% 0.14/0.33  % WCLimit  : 600
% 0.14/0.33  % DateTime : Sun Jul 10 16:45:18 EDT 2022
% 0.14/0.34  % CPUTime  : 
% 0.20/0.52  
% 0.20/0.52  SPASS V 3.9 
% 0.20/0.52  SPASS beiseite: Proof found.
% 0.20/0.52  % SZS status Theorem
% 0.20/0.52  Problem: /export/starexec/sandbox2/benchmark/theBenchmark.p 
% 0.20/0.52  SPASS derived 466 clauses, backtracked 8 clauses, performed 4 splits and kept 461 clauses.
% 0.20/0.52  SPASS allocated 76433 KBytes.
% 0.20/0.52  SPASS spent	0:00:00.17 on the problem.
% 0.20/0.52  		0:00:00.04 for the input.
% 0.20/0.52  		0:00:00.00 for the FLOTTER CNF translation.
% 0.20/0.52  		0:00:00.01 for inferences.
% 0.20/0.52  		0:00:00.00 for the backtracking.
% 0.20/0.52  		0:00:00.08 for the reduction.
% 0.20/0.52  
% 0.20/0.52  
% 0.20/0.52  Here is a proof with depth 4, length 27 :
% 0.20/0.52  % SZS output start Refutation
% See solution above
% 0.20/0.52  Formulae used in the proof : complement_of_a_is_b complement_of_b_is_c prove_a_equals_c extensionality1 extensionality2 extensionality3 complement1 complement2
% 0.20/0.52  
%------------------------------------------------------------------------------