TSTP Solution File: SET811+4 by iProver---3.9

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : iProver---3.9
% Problem  : SET811+4 : TPTP v8.1.2. Released v3.2.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : run_iprover %s %d THM

% Computer : n005.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 : Fri May  3 03:01:36 EDT 2024

% Result   : Theorem 67.79s 10.30s
% Output   : CNFRefutation 67.79s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   11
%            Number of leaves      :   10
% Syntax   : Number of formulae    :   71 (   8 unt;   0 def)
%            Number of atoms       :  232 (   0 equ)
%            Maximal formula atoms :   10 (   3 avg)
%            Number of connectives :  257 (  96   ~;  86   |;  51   &)
%                                         (  10 <=>;  14  =>;   0  <=;   0 <~>)
%            Maximal formula depth :    9 (   5 avg)
%            Maximal term depth    :    3 (   1 avg)
%            Number of predicates  :    7 (   6 usr;   1 prp; 0-3 aty)
%            Number of functors    :    7 (   7 usr;   4 con; 0-3 aty)
%            Number of variables   :  131 (   1 sgn  91   !;  13   ?)

% 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(f12,axiom,
    ! [X0] :
      ( member(X0,on)
    <=> ( ! [X2] :
            ( member(X2,X0)
           => subset(X2,X0) )
        & strict_well_order(member_predicate,X0)
        & set(X0) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',ordinal_number) ).

fof(f15,axiom,
    ! [X2,X4] :
      ( apply(member_predicate,X2,X4)
    <=> member(X2,X4) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',rel_member) ).

fof(f18,axiom,
    ! [X2,X5,X0,X4] :
      ( member(X4,initial_segment(X2,X5,X0))
    <=> ( apply(X5,X4,X2)
        & member(X4,X0) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',initial_segment) ).

fof(f20,conjecture,
    ! [X0] :
      ( member(X0,on)
     => ! [X2] :
          ( member(X2,X0)
         => equal_set(X2,initial_segment(X2,member_predicate,X0)) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',thV5) ).

fof(f21,negated_conjecture,
    ~ ! [X0] :
        ( member(X0,on)
       => ! [X2] :
            ( member(X2,X0)
           => equal_set(X2,initial_segment(X2,member_predicate,X0)) ) ),
    inference(negated_conjecture,[],[f20]) ).

fof(f31,plain,
    ! [X0] :
      ( member(X0,on)
    <=> ( ! [X1] :
            ( member(X1,X0)
           => subset(X1,X0) )
        & strict_well_order(member_predicate,X0)
        & set(X0) ) ),
    inference(rectify,[],[f12]) ).

fof(f34,plain,
    ! [X0,X1] :
      ( apply(member_predicate,X0,X1)
    <=> member(X0,X1) ),
    inference(rectify,[],[f15]) ).

fof(f37,plain,
    ! [X0,X1,X2,X3] :
      ( member(X3,initial_segment(X0,X1,X2))
    <=> ( apply(X1,X3,X0)
        & member(X3,X2) ) ),
    inference(rectify,[],[f18]) ).

fof(f39,plain,
    ~ ! [X0] :
        ( member(X0,on)
       => ! [X1] :
            ( member(X1,X0)
           => equal_set(X1,initial_segment(X1,member_predicate,X0)) ) ),
    inference(rectify,[],[f21]) ).

fof(f40,plain,
    ! [X0,X1] :
      ( ( subset(X1,X0)
        & subset(X0,X1) )
     => equal_set(X0,X1) ),
    inference(unused_predicate_definition_removal,[],[f2]) ).

fof(f41,plain,
    ! [X0,X1] :
      ( subset(X0,X1)
    <=> ! [X2] :
          ( member(X2,X1)
          | ~ member(X2,X0) ) ),
    inference(ennf_transformation,[],[f1]) ).

fof(f42,plain,
    ! [X0,X1] :
      ( equal_set(X0,X1)
      | ~ subset(X1,X0)
      | ~ subset(X0,X1) ),
    inference(ennf_transformation,[],[f40]) ).

fof(f43,plain,
    ! [X0,X1] :
      ( equal_set(X0,X1)
      | ~ subset(X1,X0)
      | ~ subset(X0,X1) ),
    inference(flattening,[],[f42]) ).

fof(f45,plain,
    ! [X0] :
      ( member(X0,on)
    <=> ( ! [X1] :
            ( subset(X1,X0)
            | ~ member(X1,X0) )
        & strict_well_order(member_predicate,X0)
        & set(X0) ) ),
    inference(ennf_transformation,[],[f31]) ).

fof(f53,plain,
    ? [X0] :
      ( ? [X1] :
          ( ~ equal_set(X1,initial_segment(X1,member_predicate,X0))
          & member(X1,X0) )
      & member(X0,on) ),
    inference(ennf_transformation,[],[f39]) ).

fof(f56,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,[],[f41]) ).

fof(f57,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,[],[f56]) ).

fof(f58,plain,
    ! [X0,X1] :
      ( ? [X2] :
          ( ~ member(X2,X1)
          & member(X2,X0) )
     => ( ~ member(sK1(X0,X1),X1)
        & member(sK1(X0,X1),X0) ) ),
    introduced(choice_axiom,[]) ).

fof(f59,plain,
    ! [X0,X1] :
      ( ( subset(X0,X1)
        | ( ~ member(sK1(X0,X1),X1)
          & member(sK1(X0,X1),X0) ) )
      & ( ! [X3] :
            ( member(X3,X1)
            | ~ member(X3,X0) )
        | ~ subset(X0,X1) ) ),
    inference(skolemisation,[status(esa),new_symbols(skolem,[sK1])],[f57,f58]) ).

fof(f78,plain,
    ! [X0] :
      ( ( member(X0,on)
        | ? [X1] :
            ( ~ subset(X1,X0)
            & member(X1,X0) )
        | ~ strict_well_order(member_predicate,X0)
        | ~ set(X0) )
      & ( ( ! [X1] :
              ( subset(X1,X0)
              | ~ member(X1,X0) )
          & strict_well_order(member_predicate,X0)
          & set(X0) )
        | ~ member(X0,on) ) ),
    inference(nnf_transformation,[],[f45]) ).

fof(f79,plain,
    ! [X0] :
      ( ( member(X0,on)
        | ? [X1] :
            ( ~ subset(X1,X0)
            & member(X1,X0) )
        | ~ strict_well_order(member_predicate,X0)
        | ~ set(X0) )
      & ( ( ! [X1] :
              ( subset(X1,X0)
              | ~ member(X1,X0) )
          & strict_well_order(member_predicate,X0)
          & set(X0) )
        | ~ member(X0,on) ) ),
    inference(flattening,[],[f78]) ).

fof(f80,plain,
    ! [X0] :
      ( ( member(X0,on)
        | ? [X1] :
            ( ~ subset(X1,X0)
            & member(X1,X0) )
        | ~ strict_well_order(member_predicate,X0)
        | ~ set(X0) )
      & ( ( ! [X2] :
              ( subset(X2,X0)
              | ~ member(X2,X0) )
          & strict_well_order(member_predicate,X0)
          & set(X0) )
        | ~ member(X0,on) ) ),
    inference(rectify,[],[f79]) ).

fof(f81,plain,
    ! [X0] :
      ( ? [X1] :
          ( ~ subset(X1,X0)
          & member(X1,X0) )
     => ( ~ subset(sK4(X0),X0)
        & member(sK4(X0),X0) ) ),
    introduced(choice_axiom,[]) ).

fof(f82,plain,
    ! [X0] :
      ( ( member(X0,on)
        | ( ~ subset(sK4(X0),X0)
          & member(sK4(X0),X0) )
        | ~ strict_well_order(member_predicate,X0)
        | ~ set(X0) )
      & ( ( ! [X2] :
              ( subset(X2,X0)
              | ~ member(X2,X0) )
          & strict_well_order(member_predicate,X0)
          & set(X0) )
        | ~ member(X0,on) ) ),
    inference(skolemisation,[status(esa),new_symbols(skolem,[sK4])],[f80,f81]) ).

fof(f95,plain,
    ! [X0,X1] :
      ( ( apply(member_predicate,X0,X1)
        | ~ member(X0,X1) )
      & ( member(X0,X1)
        | ~ apply(member_predicate,X0,X1) ) ),
    inference(nnf_transformation,[],[f34]) ).

fof(f105,plain,
    ! [X0,X1,X2,X3] :
      ( ( member(X3,initial_segment(X0,X1,X2))
        | ~ apply(X1,X3,X0)
        | ~ member(X3,X2) )
      & ( ( apply(X1,X3,X0)
          & member(X3,X2) )
        | ~ member(X3,initial_segment(X0,X1,X2)) ) ),
    inference(nnf_transformation,[],[f37]) ).

fof(f106,plain,
    ! [X0,X1,X2,X3] :
      ( ( member(X3,initial_segment(X0,X1,X2))
        | ~ apply(X1,X3,X0)
        | ~ member(X3,X2) )
      & ( ( apply(X1,X3,X0)
          & member(X3,X2) )
        | ~ member(X3,initial_segment(X0,X1,X2)) ) ),
    inference(flattening,[],[f105]) ).

fof(f108,plain,
    ( ? [X0] :
        ( ? [X1] :
            ( ~ equal_set(X1,initial_segment(X1,member_predicate,X0))
            & member(X1,X0) )
        & member(X0,on) )
   => ( ? [X1] :
          ( ~ equal_set(X1,initial_segment(X1,member_predicate,sK14))
          & member(X1,sK14) )
      & member(sK14,on) ) ),
    introduced(choice_axiom,[]) ).

fof(f109,plain,
    ( ? [X1] :
        ( ~ equal_set(X1,initial_segment(X1,member_predicate,sK14))
        & member(X1,sK14) )
   => ( ~ equal_set(sK15,initial_segment(sK15,member_predicate,sK14))
      & member(sK15,sK14) ) ),
    introduced(choice_axiom,[]) ).

fof(f110,plain,
    ( ~ equal_set(sK15,initial_segment(sK15,member_predicate,sK14))
    & member(sK15,sK14)
    & member(sK14,on) ),
    inference(skolemisation,[status(esa),new_symbols(skolem,[sK14,sK15])],[f53,f109,f108]) ).

fof(f111,plain,
    ! [X3,X0,X1] :
      ( member(X3,X1)
      | ~ member(X3,X0)
      | ~ subset(X0,X1) ),
    inference(cnf_transformation,[],[f59]) ).

fof(f112,plain,
    ! [X0,X1] :
      ( subset(X0,X1)
      | member(sK1(X0,X1),X0) ),
    inference(cnf_transformation,[],[f59]) ).

fof(f113,plain,
    ! [X0,X1] :
      ( subset(X0,X1)
      | ~ member(sK1(X0,X1),X1) ),
    inference(cnf_transformation,[],[f59]) ).

fof(f114,plain,
    ! [X0,X1] :
      ( equal_set(X0,X1)
      | ~ subset(X1,X0)
      | ~ subset(X0,X1) ),
    inference(cnf_transformation,[],[f43]) ).

fof(f140,plain,
    ! [X2,X0] :
      ( subset(X2,X0)
      | ~ member(X2,X0)
      | ~ member(X0,on) ),
    inference(cnf_transformation,[],[f82]) ).

fof(f153,plain,
    ! [X0,X1] :
      ( member(X0,X1)
      | ~ apply(member_predicate,X0,X1) ),
    inference(cnf_transformation,[],[f95]) ).

fof(f154,plain,
    ! [X0,X1] :
      ( apply(member_predicate,X0,X1)
      | ~ member(X0,X1) ),
    inference(cnf_transformation,[],[f95]) ).

fof(f170,plain,
    ! [X2,X3,X0,X1] :
      ( apply(X1,X3,X0)
      | ~ member(X3,initial_segment(X0,X1,X2)) ),
    inference(cnf_transformation,[],[f106]) ).

fof(f171,plain,
    ! [X2,X3,X0,X1] :
      ( member(X3,initial_segment(X0,X1,X2))
      | ~ apply(X1,X3,X0)
      | ~ member(X3,X2) ),
    inference(cnf_transformation,[],[f106]) ).

fof(f174,plain,
    member(sK14,on),
    inference(cnf_transformation,[],[f110]) ).

fof(f175,plain,
    member(sK15,sK14),
    inference(cnf_transformation,[],[f110]) ).

fof(f176,plain,
    ~ equal_set(sK15,initial_segment(sK15,member_predicate,sK14)),
    inference(cnf_transformation,[],[f110]) ).

cnf(c_49,plain,
    ( ~ member(sK1(X0,X1),X1)
    | subset(X0,X1) ),
    inference(cnf_transformation,[],[f113]) ).

cnf(c_50,plain,
    ( member(sK1(X0,X1),X0)
    | subset(X0,X1) ),
    inference(cnf_transformation,[],[f112]) ).

cnf(c_51,plain,
    ( ~ subset(X0,X1)
    | ~ member(X2,X0)
    | member(X2,X1) ),
    inference(cnf_transformation,[],[f111]) ).

cnf(c_52,plain,
    ( ~ subset(X0,X1)
    | ~ subset(X1,X0)
    | equal_set(X0,X1) ),
    inference(cnf_transformation,[],[f114]) ).

cnf(c_78,plain,
    ( ~ member(X0,X1)
    | ~ member(X1,on)
    | subset(X0,X1) ),
    inference(cnf_transformation,[],[f140]) ).

cnf(c_91,plain,
    ( ~ member(X0,X1)
    | apply(member_predicate,X0,X1) ),
    inference(cnf_transformation,[],[f154]) ).

cnf(c_92,plain,
    ( ~ apply(member_predicate,X0,X1)
    | member(X0,X1) ),
    inference(cnf_transformation,[],[f153]) ).

cnf(c_107,plain,
    ( ~ apply(X0,X1,X2)
    | ~ member(X1,X3)
    | member(X1,initial_segment(X2,X0,X3)) ),
    inference(cnf_transformation,[],[f171]) ).

cnf(c_108,plain,
    ( ~ member(X0,initial_segment(X1,X2,X3))
    | apply(X2,X0,X1) ),
    inference(cnf_transformation,[],[f170]) ).

cnf(c_112,negated_conjecture,
    ~ equal_set(sK15,initial_segment(sK15,member_predicate,sK14)),
    inference(cnf_transformation,[],[f176]) ).

cnf(c_113,negated_conjecture,
    member(sK15,sK14),
    inference(cnf_transformation,[],[f175]) ).

cnf(c_114,negated_conjecture,
    member(sK14,on),
    inference(cnf_transformation,[],[f174]) ).

cnf(c_279,plain,
    ( ~ subset(initial_segment(sK15,member_predicate,sK14),sK15)
    | ~ subset(sK15,initial_segment(sK15,member_predicate,sK14))
    | equal_set(sK15,initial_segment(sK15,member_predicate,sK14)) ),
    inference(instantiation,[status(thm)],[c_52]) ).

cnf(c_597,plain,
    ( member(sK1(sK15,initial_segment(sK15,member_predicate,sK14)),sK15)
    | subset(sK15,initial_segment(sK15,member_predicate,sK14)) ),
    inference(instantiation,[status(thm)],[c_50]) ).

cnf(c_598,plain,
    ( ~ member(sK1(sK15,initial_segment(sK15,member_predicate,sK14)),initial_segment(sK15,member_predicate,sK14))
    | subset(sK15,initial_segment(sK15,member_predicate,sK14)) ),
    inference(instantiation,[status(thm)],[c_49]) ).

cnf(c_658,plain,
    ( ~ apply(member_predicate,X0,sK15)
    | member(X0,sK15) ),
    inference(instantiation,[status(thm)],[c_92]) ).

cnf(c_724,plain,
    ( ~ member(X0,X1)
    | ~ subset(X1,sK14)
    | member(X0,sK14) ),
    inference(instantiation,[status(thm)],[c_51]) ).

cnf(c_1708,plain,
    ( ~ member(X0,sK14)
    | subset(X0,sK14) ),
    inference(resolution,[status(thm)],[c_78,c_114]) ).

cnf(c_1857,plain,
    subset(sK15,sK14),
    inference(resolution,[status(thm)],[c_1708,c_113]) ).

cnf(c_4347,plain,
    ( member(sK1(initial_segment(sK15,member_predicate,sK14),sK15),initial_segment(sK15,member_predicate,sK14))
    | subset(initial_segment(sK15,member_predicate,sK14),sK15) ),
    inference(instantiation,[status(thm)],[c_50]) ).

cnf(c_4348,plain,
    ( ~ member(sK1(initial_segment(sK15,member_predicate,sK14),sK15),sK15)
    | subset(initial_segment(sK15,member_predicate,sK14),sK15) ),
    inference(instantiation,[status(thm)],[c_49]) ).

cnf(c_22929,plain,
    ( ~ member(sK1(sK15,initial_segment(sK15,member_predicate,sK14)),sK15)
    | ~ subset(sK15,sK14)
    | member(sK1(sK15,initial_segment(sK15,member_predicate,sK14)),sK14) ),
    inference(instantiation,[status(thm)],[c_724]) ).

cnf(c_23679,plain,
    ( ~ apply(member_predicate,sK1(initial_segment(sK15,member_predicate,sK14),sK15),sK15)
    | member(sK1(initial_segment(sK15,member_predicate,sK14),sK15),sK15) ),
    inference(instantiation,[status(thm)],[c_658]) ).

cnf(c_30061,plain,
    ( ~ apply(member_predicate,sK1(sK15,initial_segment(sK15,member_predicate,sK14)),sK15)
    | ~ member(sK1(sK15,initial_segment(sK15,member_predicate,sK14)),sK14)
    | member(sK1(sK15,initial_segment(sK15,member_predicate,sK14)),initial_segment(sK15,member_predicate,sK14)) ),
    inference(instantiation,[status(thm)],[c_107]) ).

cnf(c_71273,plain,
    ( ~ member(sK1(initial_segment(sK15,member_predicate,sK14),sK15),initial_segment(sK15,member_predicate,sK14))
    | apply(member_predicate,sK1(initial_segment(sK15,member_predicate,sK14),sK15),sK15) ),
    inference(instantiation,[status(thm)],[c_108]) ).

cnf(c_76197,plain,
    ( ~ member(sK1(sK15,initial_segment(sK15,member_predicate,sK14)),sK15)
    | apply(member_predicate,sK1(sK15,initial_segment(sK15,member_predicate,sK14)),sK15) ),
    inference(instantiation,[status(thm)],[c_91]) ).

cnf(c_76583,plain,
    $false,
    inference(prop_impl_just,[status(thm)],[c_76197,c_71273,c_30061,c_23679,c_22929,c_4347,c_4348,c_1857,c_597,c_598,c_279,c_112]) ).


%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.07/0.13  % Problem  : SET811+4 : TPTP v8.1.2. Released v3.2.0.
% 0.07/0.14  % Command  : run_iprover %s %d THM
% 0.14/0.36  % Computer : n005.cluster.edu
% 0.14/0.36  % Model    : x86_64 x86_64
% 0.14/0.36  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.14/0.36  % Memory   : 8042.1875MB
% 0.14/0.36  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.14/0.36  % CPULimit : 300
% 0.14/0.36  % WCLimit  : 300
% 0.14/0.36  % DateTime : Thu May  2 20:23:56 EDT 2024
% 0.14/0.36  % CPUTime  : 
% 0.21/0.49  Running first-order theorem proving
% 0.21/0.49  Running: /export/starexec/sandbox/solver/bin/run_problem --schedule fof_schedule --heuristic_context casc_unsat --no_cores 8 /export/starexec/sandbox/benchmark/theBenchmark.p 300
% 67.79/10.30  % SZS status Started for theBenchmark.p
% 67.79/10.30  % SZS status Theorem for theBenchmark.p
% 67.79/10.30  
% 67.79/10.30  %---------------- iProver v3.9 (pre CASC 2024/SMT-COMP 2024) ----------------%
% 67.79/10.30  
% 67.79/10.30  ------  iProver source info
% 67.79/10.30  
% 67.79/10.30  git: date: 2024-05-02 19:28:25 +0000
% 67.79/10.30  git: sha1: a33b5eb135c74074ba803943bb12f2ebd971352f
% 67.79/10.30  git: non_committed_changes: false
% 67.79/10.30  
% 67.79/10.30  ------ Parsing...
% 67.79/10.30  ------ Clausification by vclausify_rel  & Parsing by iProver...
% 67.79/10.30  
% 67.79/10.30  ------ Preprocessing... sf_s  rm: 1 0s  sf_e 
% 67.79/10.30  
% 67.79/10.30  ------ Preprocessing...
% 67.79/10.30  
% 67.79/10.30  ------ Preprocessing... sf_s  rm: 1 0s  sf_e  sf_s  rm: 0 0s  sf_e 
% 67.79/10.30  ------ Proving...
% 67.79/10.30  ------ Problem Properties 
% 67.79/10.30  
% 67.79/10.30  
% 67.79/10.30  clauses                                 66
% 67.79/10.30  conjectures                             3
% 67.79/10.30  EPR                                     17
% 67.79/10.30  Horn                                    47
% 67.79/10.30  unary                                   7
% 67.79/10.30  binary                                  32
% 67.79/10.30  lits                                    162
% 67.79/10.30  lits eq                                 5
% 67.79/10.30  fd_pure                                 0
% 67.79/10.30  fd_pseudo                               0
% 67.79/10.30  fd_cond                                 0
% 67.79/10.30  fd_pseudo_cond                          3
% 67.79/10.30  AC symbols                              0
% 67.79/10.30  
% 67.79/10.30  ------ Input Options Time Limit: Unbounded
% 67.79/10.30  
% 67.79/10.30  
% 67.79/10.30  ------ 
% 67.79/10.30  Current options:
% 67.79/10.30  ------ 
% 67.79/10.30  
% 67.79/10.30  
% 67.79/10.30  
% 67.79/10.30  
% 67.79/10.30  ------ Proving...
% 67.79/10.30  
% 67.79/10.30  
% 67.79/10.30  % SZS status Theorem for theBenchmark.p
% 67.79/10.30  
% 67.79/10.30  % SZS output start CNFRefutation for theBenchmark.p
% See solution above
% 67.79/10.30  
% 67.79/10.31  
%------------------------------------------------------------------------------