TSTP Solution File: SET143+4 by iProver---3.8

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : iProver---3.8
% Problem  : SET143+4 : TPTP v8.1.2. Released v2.2.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : run_iprover %s %d THM

% Computer : n004.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  : 300s
% DateTime : Thu Aug 31 15:06:47 EDT 2023

% Result   : Theorem 39.85s 6.23s
% Output   : CNFRefutation 39.85s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :    8
%            Number of leaves      :    6
% Syntax   : Number of formulae    :   54 (   8 unt;   0 def)
%            Number of atoms       :  140 (   0 equ)
%            Maximal formula atoms :    6 (   2 avg)
%            Number of connectives :  154 (  68   ~;  61   |;  16   &)
%                                         (   5 <=>;   4  =>;   0  <=;   0 <~>)
%            Maximal formula depth :    8 (   4 avg)
%            Maximal term depth    :    4 (   2 avg)
%            Number of predicates  :    4 (   3 usr;   1 prp; 0-2 aty)
%            Number of functors    :    5 (   5 usr;   3 con; 0-2 aty)
%            Number of variables   :   87 (   2 sgn;  61   !;   9   ?)

% Comments : 
%------------------------------------------------------------------------------
fof(f1,axiom,
    ! [X0,X1] :
      ( subset(X0,X1)
    <=> ! [X2] :
          ( member(X2,X0)
         => member(X2,X1) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',subset) ).

fof(f2,axiom,
    ! [X0,X1] :
      ( equal_set(X0,X1)
    <=> ( subset(X1,X0)
        & subset(X0,X1) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',equal_set) ).

fof(f4,axiom,
    ! [X2,X0,X1] :
      ( member(X2,intersection(X0,X1))
    <=> ( member(X2,X1)
        & member(X2,X0) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',intersection) ).

fof(f12,conjecture,
    ! [X0,X1,X5] : equal_set(intersection(intersection(X0,X1),X5),intersection(X0,intersection(X1,X5))),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',thI08) ).

fof(f13,negated_conjecture,
    ~ ! [X0,X1,X5] : equal_set(intersection(intersection(X0,X1),X5),intersection(X0,intersection(X1,X5))),
    inference(negated_conjecture,[],[f12]) ).

fof(f15,plain,
    ! [X0,X1,X2] :
      ( member(X0,intersection(X1,X2))
    <=> ( member(X0,X2)
        & member(X0,X1) ) ),
    inference(rectify,[],[f4]) ).

fof(f23,plain,
    ~ ! [X0,X1,X2] : equal_set(intersection(intersection(X0,X1),X2),intersection(X0,intersection(X1,X2))),
    inference(rectify,[],[f13]) ).

fof(f24,plain,
    ! [X0,X1] :
      ( ( subset(X1,X0)
        & subset(X0,X1) )
     => equal_set(X0,X1) ),
    inference(unused_predicate_definition_removal,[],[f2]) ).

fof(f25,plain,
    ! [X0,X1] :
      ( subset(X0,X1)
    <=> ! [X2] :
          ( member(X2,X1)
          | ~ member(X2,X0) ) ),
    inference(ennf_transformation,[],[f1]) ).

fof(f26,plain,
    ! [X0,X1] :
      ( equal_set(X0,X1)
      | ~ subset(X1,X0)
      | ~ subset(X0,X1) ),
    inference(ennf_transformation,[],[f24]) ).

fof(f27,plain,
    ! [X0,X1] :
      ( equal_set(X0,X1)
      | ~ subset(X1,X0)
      | ~ subset(X0,X1) ),
    inference(flattening,[],[f26]) ).

fof(f29,plain,
    ? [X0,X1,X2] : ~ equal_set(intersection(intersection(X0,X1),X2),intersection(X0,intersection(X1,X2))),
    inference(ennf_transformation,[],[f23]) ).

fof(f30,plain,
    ! [X0,X1] :
      ( ( subset(X0,X1)
        | ? [X2] :
            ( ~ member(X2,X1)
            & member(X2,X0) ) )
      & ( ! [X2] :
            ( member(X2,X1)
            | ~ member(X2,X0) )
        | ~ subset(X0,X1) ) ),
    inference(nnf_transformation,[],[f25]) ).

fof(f31,plain,
    ! [X0,X1] :
      ( ( subset(X0,X1)
        | ? [X2] :
            ( ~ member(X2,X1)
            & member(X2,X0) ) )
      & ( ! [X3] :
            ( member(X3,X1)
            | ~ member(X3,X0) )
        | ~ subset(X0,X1) ) ),
    inference(rectify,[],[f30]) ).

fof(f32,plain,
    ! [X0,X1] :
      ( ? [X2] :
          ( ~ member(X2,X1)
          & member(X2,X0) )
     => ( ~ member(sK0(X0,X1),X1)
        & member(sK0(X0,X1),X0) ) ),
    introduced(choice_axiom,[]) ).

fof(f33,plain,
    ! [X0,X1] :
      ( ( subset(X0,X1)
        | ( ~ member(sK0(X0,X1),X1)
          & member(sK0(X0,X1),X0) ) )
      & ( ! [X3] :
            ( member(X3,X1)
            | ~ member(X3,X0) )
        | ~ subset(X0,X1) ) ),
    inference(skolemisation,[status(esa),new_symbols(skolem,[sK0])],[f31,f32]) ).

fof(f35,plain,
    ! [X0,X1,X2] :
      ( ( member(X0,intersection(X1,X2))
        | ~ member(X0,X2)
        | ~ member(X0,X1) )
      & ( ( member(X0,X2)
          & member(X0,X1) )
        | ~ member(X0,intersection(X1,X2)) ) ),
    inference(nnf_transformation,[],[f15]) ).

fof(f36,plain,
    ! [X0,X1,X2] :
      ( ( member(X0,intersection(X1,X2))
        | ~ member(X0,X2)
        | ~ member(X0,X1) )
      & ( ( member(X0,X2)
          & member(X0,X1) )
        | ~ member(X0,intersection(X1,X2)) ) ),
    inference(flattening,[],[f35]) ).

fof(f52,plain,
    ( ? [X0,X1,X2] : ~ equal_set(intersection(intersection(X0,X1),X2),intersection(X0,intersection(X1,X2)))
   => ~ equal_set(intersection(intersection(sK3,sK4),sK5),intersection(sK3,intersection(sK4,sK5))) ),
    introduced(choice_axiom,[]) ).

fof(f53,plain,
    ~ equal_set(intersection(intersection(sK3,sK4),sK5),intersection(sK3,intersection(sK4,sK5))),
    inference(skolemisation,[status(esa),new_symbols(skolem,[sK3,sK4,sK5])],[f29,f52]) ).

fof(f55,plain,
    ! [X0,X1] :
      ( subset(X0,X1)
      | member(sK0(X0,X1),X0) ),
    inference(cnf_transformation,[],[f33]) ).

fof(f56,plain,
    ! [X0,X1] :
      ( subset(X0,X1)
      | ~ member(sK0(X0,X1),X1) ),
    inference(cnf_transformation,[],[f33]) ).

fof(f57,plain,
    ! [X0,X1] :
      ( equal_set(X0,X1)
      | ~ subset(X1,X0)
      | ~ subset(X0,X1) ),
    inference(cnf_transformation,[],[f27]) ).

fof(f60,plain,
    ! [X2,X0,X1] :
      ( member(X0,X1)
      | ~ member(X0,intersection(X1,X2)) ),
    inference(cnf_transformation,[],[f36]) ).

fof(f61,plain,
    ! [X2,X0,X1] :
      ( member(X0,X2)
      | ~ member(X0,intersection(X1,X2)) ),
    inference(cnf_transformation,[],[f36]) ).

fof(f62,plain,
    ! [X2,X0,X1] :
      ( member(X0,intersection(X1,X2))
      | ~ member(X0,X2)
      | ~ member(X0,X1) ),
    inference(cnf_transformation,[],[f36]) ).

fof(f81,plain,
    ~ equal_set(intersection(intersection(sK3,sK4),sK5),intersection(sK3,intersection(sK4,sK5))),
    inference(cnf_transformation,[],[f53]) ).

cnf(c_49,plain,
    ( ~ member(sK0(X0,X1),X1)
    | subset(X0,X1) ),
    inference(cnf_transformation,[],[f56]) ).

cnf(c_50,plain,
    ( member(sK0(X0,X1),X0)
    | subset(X0,X1) ),
    inference(cnf_transformation,[],[f55]) ).

cnf(c_52,plain,
    ( ~ subset(X0,X1)
    | ~ subset(X1,X0)
    | equal_set(X0,X1) ),
    inference(cnf_transformation,[],[f57]) ).

cnf(c_55,plain,
    ( ~ member(X0,X1)
    | ~ member(X0,X2)
    | member(X0,intersection(X1,X2)) ),
    inference(cnf_transformation,[],[f62]) ).

cnf(c_56,plain,
    ( ~ member(X0,intersection(X1,X2))
    | member(X0,X2) ),
    inference(cnf_transformation,[],[f61]) ).

cnf(c_57,plain,
    ( ~ member(X0,intersection(X1,X2))
    | member(X0,X1) ),
    inference(cnf_transformation,[],[f60]) ).

cnf(c_76,negated_conjecture,
    ~ equal_set(intersection(intersection(sK3,sK4),sK5),intersection(sK3,intersection(sK4,sK5))),
    inference(cnf_transformation,[],[f81]) ).

cnf(c_221,plain,
    ( member(sK0(intersection(sK3,intersection(sK4,sK5)),intersection(intersection(sK3,sK4),sK5)),intersection(sK3,intersection(sK4,sK5)))
    | subset(intersection(sK3,intersection(sK4,sK5)),intersection(intersection(sK3,sK4),sK5)) ),
    inference(instantiation,[status(thm)],[c_50]) ).

cnf(c_222,plain,
    ( ~ member(sK0(intersection(sK3,intersection(sK4,sK5)),intersection(intersection(sK3,sK4),sK5)),intersection(intersection(sK3,sK4),sK5))
    | subset(intersection(sK3,intersection(sK4,sK5)),intersection(intersection(sK3,sK4),sK5)) ),
    inference(instantiation,[status(thm)],[c_49]) ).

cnf(c_806,plain,
    ( ~ subset(intersection(intersection(sK3,sK4),sK5),intersection(sK3,intersection(sK4,sK5)))
    | ~ subset(intersection(sK3,intersection(sK4,sK5)),intersection(intersection(sK3,sK4),sK5)) ),
    inference(resolution,[status(thm)],[c_76,c_52]) ).

cnf(c_2225,plain,
    ( member(sK0(intersection(intersection(sK3,sK4),sK5),intersection(sK3,intersection(sK4,sK5))),intersection(intersection(sK3,sK4),sK5))
    | subset(intersection(intersection(sK3,sK4),sK5),intersection(sK3,intersection(sK4,sK5))) ),
    inference(instantiation,[status(thm)],[c_50]) ).

cnf(c_2226,plain,
    ( ~ member(sK0(intersection(intersection(sK3,sK4),sK5),intersection(sK3,intersection(sK4,sK5))),intersection(sK3,intersection(sK4,sK5)))
    | subset(intersection(intersection(sK3,sK4),sK5),intersection(sK3,intersection(sK4,sK5))) ),
    inference(instantiation,[status(thm)],[c_49]) ).

cnf(c_8071,plain,
    ( ~ member(sK0(intersection(intersection(sK3,sK4),sK5),intersection(sK3,intersection(sK4,sK5))),intersection(intersection(sK3,sK4),sK5))
    | member(sK0(intersection(intersection(sK3,sK4),sK5),intersection(sK3,intersection(sK4,sK5))),intersection(sK3,sK4)) ),
    inference(instantiation,[status(thm)],[c_57]) ).

cnf(c_8072,plain,
    ( ~ member(sK0(intersection(intersection(sK3,sK4),sK5),intersection(sK3,intersection(sK4,sK5))),intersection(intersection(sK3,sK4),sK5))
    | member(sK0(intersection(intersection(sK3,sK4),sK5),intersection(sK3,intersection(sK4,sK5))),sK5) ),
    inference(instantiation,[status(thm)],[c_56]) ).

cnf(c_12382,plain,
    ( ~ member(sK0(intersection(sK3,intersection(sK4,sK5)),intersection(intersection(sK3,sK4),sK5)),intersection(sK3,intersection(sK4,sK5)))
    | member(sK0(intersection(sK3,intersection(sK4,sK5)),intersection(intersection(sK3,sK4),sK5)),sK3) ),
    inference(instantiation,[status(thm)],[c_57]) ).

cnf(c_12383,plain,
    ( ~ member(sK0(intersection(sK3,intersection(sK4,sK5)),intersection(intersection(sK3,sK4),sK5)),intersection(sK3,intersection(sK4,sK5)))
    | member(sK0(intersection(sK3,intersection(sK4,sK5)),intersection(intersection(sK3,sK4),sK5)),intersection(sK4,sK5)) ),
    inference(instantiation,[status(thm)],[c_56]) ).

cnf(c_13760,plain,
    ( ~ member(sK0(intersection(sK3,intersection(sK4,sK5)),intersection(intersection(sK3,sK4),sK5)),intersection(sK4,sK5))
    | member(sK0(intersection(sK3,intersection(sK4,sK5)),intersection(intersection(sK3,sK4),sK5)),sK4) ),
    inference(instantiation,[status(thm)],[c_57]) ).

cnf(c_13761,plain,
    ( ~ member(sK0(intersection(sK3,intersection(sK4,sK5)),intersection(intersection(sK3,sK4),sK5)),intersection(sK4,sK5))
    | member(sK0(intersection(sK3,intersection(sK4,sK5)),intersection(intersection(sK3,sK4),sK5)),sK5) ),
    inference(instantiation,[status(thm)],[c_56]) ).

cnf(c_13999,plain,
    ( ~ member(sK0(intersection(intersection(sK3,sK4),sK5),intersection(sK3,intersection(sK4,sK5))),intersection(sK3,sK4))
    | member(sK0(intersection(intersection(sK3,sK4),sK5),intersection(sK3,intersection(sK4,sK5))),sK3) ),
    inference(instantiation,[status(thm)],[c_57]) ).

cnf(c_14000,plain,
    ( ~ member(sK0(intersection(intersection(sK3,sK4),sK5),intersection(sK3,intersection(sK4,sK5))),intersection(sK3,sK4))
    | member(sK0(intersection(intersection(sK3,sK4),sK5),intersection(sK3,intersection(sK4,sK5))),sK4) ),
    inference(instantiation,[status(thm)],[c_56]) ).

cnf(c_14088,plain,
    ( ~ member(sK0(intersection(intersection(sK3,sK4),sK5),intersection(sK3,intersection(sK4,sK5))),X0)
    | ~ member(sK0(intersection(intersection(sK3,sK4),sK5),intersection(sK3,intersection(sK4,sK5))),sK5)
    | member(sK0(intersection(intersection(sK3,sK4),sK5),intersection(sK3,intersection(sK4,sK5))),intersection(X0,sK5)) ),
    inference(instantiation,[status(thm)],[c_55]) ).

cnf(c_18321,plain,
    ( ~ member(sK0(intersection(sK3,intersection(sK4,sK5)),intersection(intersection(sK3,sK4),sK5)),intersection(sK3,sK4))
    | ~ member(sK0(intersection(sK3,intersection(sK4,sK5)),intersection(intersection(sK3,sK4),sK5)),sK5)
    | member(sK0(intersection(sK3,intersection(sK4,sK5)),intersection(intersection(sK3,sK4),sK5)),intersection(intersection(sK3,sK4),sK5)) ),
    inference(instantiation,[status(thm)],[c_55]) ).

cnf(c_18332,plain,
    ( ~ member(sK0(intersection(intersection(sK3,sK4),sK5),intersection(sK3,intersection(sK4,sK5))),intersection(sK4,sK5))
    | ~ member(sK0(intersection(intersection(sK3,sK4),sK5),intersection(sK3,intersection(sK4,sK5))),sK3)
    | member(sK0(intersection(intersection(sK3,sK4),sK5),intersection(sK3,intersection(sK4,sK5))),intersection(sK3,intersection(sK4,sK5))) ),
    inference(instantiation,[status(thm)],[c_55]) ).

cnf(c_22013,plain,
    ( ~ member(sK0(intersection(sK3,intersection(sK4,sK5)),intersection(intersection(sK3,sK4),sK5)),X0)
    | ~ member(sK0(intersection(sK3,intersection(sK4,sK5)),intersection(intersection(sK3,sK4),sK5)),sK4)
    | member(sK0(intersection(sK3,intersection(sK4,sK5)),intersection(intersection(sK3,sK4),sK5)),intersection(X0,sK4)) ),
    inference(instantiation,[status(thm)],[c_55]) ).

cnf(c_22014,plain,
    ( ~ member(sK0(intersection(sK3,intersection(sK4,sK5)),intersection(intersection(sK3,sK4),sK5)),sK3)
    | ~ member(sK0(intersection(sK3,intersection(sK4,sK5)),intersection(intersection(sK3,sK4),sK5)),sK4)
    | member(sK0(intersection(sK3,intersection(sK4,sK5)),intersection(intersection(sK3,sK4),sK5)),intersection(sK3,sK4)) ),
    inference(instantiation,[status(thm)],[c_22013]) ).

cnf(c_24943,plain,
    ( ~ member(sK0(intersection(intersection(sK3,sK4),sK5),intersection(sK3,intersection(sK4,sK5))),sK4)
    | ~ member(sK0(intersection(intersection(sK3,sK4),sK5),intersection(sK3,intersection(sK4,sK5))),sK5)
    | member(sK0(intersection(intersection(sK3,sK4),sK5),intersection(sK3,intersection(sK4,sK5))),intersection(sK4,sK5)) ),
    inference(instantiation,[status(thm)],[c_14088]) ).

cnf(c_24944,plain,
    $false,
    inference(prop_impl_just,[status(thm)],[c_24943,c_22014,c_18332,c_18321,c_13999,c_14000,c_13760,c_13761,c_12382,c_12383,c_8071,c_8072,c_2225,c_2226,c_806,c_221,c_222]) ).


%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.12  % Problem  : SET143+4 : TPTP v8.1.2. Released v2.2.0.
% 0.13/0.14  % Command  : run_iprover %s %d THM
% 0.13/0.34  % Computer : n004.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  : 300
% 0.13/0.34  % DateTime : Sat Aug 26 09:17:23 EDT 2023
% 0.20/0.35  % CPUTime  : 
% 0.20/0.48  Running first-order theorem proving
% 0.20/0.48  Running: /export/starexec/sandbox/solver/bin/run_problem --schedule fof_schedule --no_cores 8 /export/starexec/sandbox/benchmark/theBenchmark.p 300
% 39.85/6.23  % SZS status Started for theBenchmark.p
% 39.85/6.23  % SZS status Theorem for theBenchmark.p
% 39.85/6.23  
% 39.85/6.23  %---------------- iProver v3.8 (pre SMT-COMP 2023/CASC 2023) ----------------%
% 39.85/6.23  
% 39.85/6.23  ------  iProver source info
% 39.85/6.23  
% 39.85/6.23  git: date: 2023-05-31 18:12:56 +0000
% 39.85/6.23  git: sha1: 8abddc1f627fd3ce0bcb8b4cbf113b3cc443d7b6
% 39.85/6.23  git: non_committed_changes: false
% 39.85/6.23  git: last_make_outside_of_git: false
% 39.85/6.23  
% 39.85/6.23  ------ Parsing...
% 39.85/6.23  ------ Clausification by vclausify_rel  & Parsing by iProver...
% 39.85/6.23  
% 39.85/6.23  ------ Preprocessing... sf_s  rm: 1 0s  sf_e 
% 39.85/6.23  
% 39.85/6.23  ------ Preprocessing...
% 39.85/6.23  
% 39.85/6.23  ------ Preprocessing... sf_s  rm: 1 0s  sf_e  sf_s  rm: 0 0s  sf_e 
% 39.85/6.23  ------ Proving...
% 39.85/6.23  ------ Problem Properties 
% 39.85/6.23  
% 39.85/6.23  
% 39.85/6.23  clauses                                 28
% 39.85/6.23  conjectures                             1
% 39.85/6.23  EPR                                     3
% 39.85/6.23  Horn                                    23
% 39.85/6.23  unary                                   5
% 39.85/6.23  binary                                  15
% 39.85/6.23  lits                                    59
% 39.85/6.23  lits eq                                 3
% 39.85/6.23  fd_pure                                 0
% 39.85/6.23  fd_pseudo                               0
% 39.85/6.23  fd_cond                                 0
% 39.85/6.23  fd_pseudo_cond                          2
% 39.85/6.23  AC symbols                              0
% 39.85/6.23  
% 39.85/6.23  ------ Input Options Time Limit: Unbounded
% 39.85/6.23  
% 39.85/6.23  
% 39.85/6.23  ------ 
% 39.85/6.23  Current options:
% 39.85/6.23  ------ 
% 39.85/6.23  
% 39.85/6.23  
% 39.85/6.23  
% 39.85/6.23  
% 39.85/6.23  ------ Proving...
% 39.85/6.23  
% 39.85/6.23  
% 39.85/6.23  % SZS status Theorem for theBenchmark.p
% 39.85/6.23  
% 39.85/6.23  % SZS output start CNFRefutation for theBenchmark.p
% See solution above
% 39.85/6.23  
% 39.85/6.24  
%------------------------------------------------------------------------------