TSTP Solution File: SET647+3 by Vampire---4.8

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Vampire---4.8
% Problem  : SET647+3 : TPTP v8.1.2. Released v2.2.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : vampire --ignore_missing on --mode portfolio/casc [--schedule casc_hol_2020] -p tptp -om szs -t %d %s

% 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 15:45:00 EDT 2023

% Result   : Theorem 0.21s 0.43s
% Output   : Refutation 0.21s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   24
%            Number of leaves      :   20
% Syntax   : Number of formulae    :  111 (  20 unt;   0 def)
%            Number of atoms       :  429 (   3 equ)
%            Maximal formula atoms :   10 (   3 avg)
%            Number of connectives :  527 ( 209   ~; 199   |;  63   &)
%                                         (  13 <=>;  43  =>;   0  <=;   0 <~>)
%            Maximal formula depth :   11 (   6 avg)
%            Maximal term depth    :    3 (   1 avg)
%            Number of predicates  :    6 (   4 usr;   1 prp; 0-2 aty)
%            Number of functors    :   17 (  17 usr;   7 con; 0-2 aty)
%            Number of variables   :  214 (; 197   !;  17   ?)

% Comments : 
%------------------------------------------------------------------------------
fof(f363,plain,
    $false,
    inference(subsumption_resolution,[],[f362,f168]) ).

fof(f168,plain,
    ~ ilf_type(sK3,sF17),
    inference(definition_folding,[],[f112,f167,f166]) ).

fof(f166,plain,
    range_of(sK3) = sF16,
    introduced(function_definition,[]) ).

fof(f167,plain,
    relation_type(sK2,sF16) = sF17,
    introduced(function_definition,[]) ).

fof(f112,plain,
    ~ ilf_type(sK3,relation_type(sK2,range_of(sK3))),
    inference(cnf_transformation,[],[f69]) ).

fof(f69,plain,
    ( ~ ilf_type(sK3,relation_type(sK2,range_of(sK3)))
    & subset(domain_of(sK3),sK2)
    & ilf_type(sK3,binary_relation_type)
    & ilf_type(sK2,set_type) ),
    inference(skolemisation,[status(esa),new_symbols(skolem,[sK2,sK3])],[f31,f68,f67]) ).

fof(f67,plain,
    ( ? [X0] :
        ( ? [X1] :
            ( ~ ilf_type(X1,relation_type(X0,range_of(X1)))
            & subset(domain_of(X1),X0)
            & ilf_type(X1,binary_relation_type) )
        & ilf_type(X0,set_type) )
   => ( ? [X1] :
          ( ~ ilf_type(X1,relation_type(sK2,range_of(X1)))
          & subset(domain_of(X1),sK2)
          & ilf_type(X1,binary_relation_type) )
      & ilf_type(sK2,set_type) ) ),
    introduced(choice_axiom,[]) ).

fof(f68,plain,
    ( ? [X1] :
        ( ~ ilf_type(X1,relation_type(sK2,range_of(X1)))
        & subset(domain_of(X1),sK2)
        & ilf_type(X1,binary_relation_type) )
   => ( ~ ilf_type(sK3,relation_type(sK2,range_of(sK3)))
      & subset(domain_of(sK3),sK2)
      & ilf_type(sK3,binary_relation_type) ) ),
    introduced(choice_axiom,[]) ).

fof(f31,plain,
    ? [X0] :
      ( ? [X1] :
          ( ~ ilf_type(X1,relation_type(X0,range_of(X1)))
          & subset(domain_of(X1),X0)
          & ilf_type(X1,binary_relation_type) )
      & ilf_type(X0,set_type) ),
    inference(flattening,[],[f30]) ).

fof(f30,plain,
    ? [X0] :
      ( ? [X1] :
          ( ~ ilf_type(X1,relation_type(X0,range_of(X1)))
          & subset(domain_of(X1),X0)
          & ilf_type(X1,binary_relation_type) )
      & ilf_type(X0,set_type) ),
    inference(ennf_transformation,[],[f28]) ).

fof(f28,negated_conjecture,
    ~ ! [X0] :
        ( ilf_type(X0,set_type)
       => ! [X1] :
            ( ilf_type(X1,binary_relation_type)
           => ( subset(domain_of(X1),X0)
             => ilf_type(X1,relation_type(X0,range_of(X1))) ) ) ),
    inference(negated_conjecture,[],[f27]) ).

fof(f27,conjecture,
    ! [X0] :
      ( ilf_type(X0,set_type)
     => ! [X1] :
          ( ilf_type(X1,binary_relation_type)
         => ( subset(domain_of(X1),X0)
           => ilf_type(X1,relation_type(X0,range_of(X1))) ) ) ),
    file('/export/starexec/sandbox2/tmp/tmp.heUlWAQC1U/Vampire---4.8_13202',prove_relset_1_9) ).

fof(f362,plain,
    ilf_type(sK3,sF17),
    inference(forward_demodulation,[],[f361,f167]) ).

fof(f361,plain,
    ilf_type(sK3,relation_type(sK2,sF16)),
    inference(forward_literal_rewriting,[],[f360,f194]) ).

fof(f194,plain,
    ! [X3,X0,X1] :
      ( ilf_type(X3,relation_type(X0,X1))
      | ~ ilf_type(X3,subset_type(cross_product(X0,X1))) ),
    inference(subsumption_resolution,[],[f193,f113]) ).

fof(f113,plain,
    ! [X0] : ilf_type(X0,set_type),
    inference(cnf_transformation,[],[f26]) ).

fof(f26,axiom,
    ! [X0] : ilf_type(X0,set_type),
    file('/export/starexec/sandbox2/tmp/tmp.heUlWAQC1U/Vampire---4.8_13202',p26) ).

fof(f193,plain,
    ! [X3,X0,X1] :
      ( ilf_type(X3,relation_type(X0,X1))
      | ~ ilf_type(X3,subset_type(cross_product(X0,X1)))
      | ~ ilf_type(X0,set_type) ),
    inference(subsumption_resolution,[],[f143,f113]) ).

fof(f143,plain,
    ! [X3,X0,X1] :
      ( ilf_type(X3,relation_type(X0,X1))
      | ~ ilf_type(X3,subset_type(cross_product(X0,X1)))
      | ~ ilf_type(X1,set_type)
      | ~ ilf_type(X0,set_type) ),
    inference(cnf_transformation,[],[f45]) ).

fof(f45,plain,
    ! [X0] :
      ( ! [X1] :
          ( ( ! [X2] :
                ( ilf_type(X2,subset_type(cross_product(X0,X1)))
                | ~ ilf_type(X2,relation_type(X0,X1)) )
            & ! [X3] :
                ( ilf_type(X3,relation_type(X0,X1))
                | ~ ilf_type(X3,subset_type(cross_product(X0,X1))) ) )
          | ~ ilf_type(X1,set_type) )
      | ~ ilf_type(X0,set_type) ),
    inference(ennf_transformation,[],[f29]) ).

fof(f29,plain,
    ! [X0] :
      ( ilf_type(X0,set_type)
     => ! [X1] :
          ( ilf_type(X1,set_type)
         => ( ! [X2] :
                ( ilf_type(X2,relation_type(X0,X1))
               => ilf_type(X2,subset_type(cross_product(X0,X1))) )
            & ! [X3] :
                ( ilf_type(X3,subset_type(cross_product(X0,X1)))
               => ilf_type(X3,relation_type(X0,X1)) ) ) ) ),
    inference(rectify,[],[f4]) ).

fof(f4,axiom,
    ! [X0] :
      ( ilf_type(X0,set_type)
     => ! [X1] :
          ( ilf_type(X1,set_type)
         => ( ! [X3] :
                ( ilf_type(X3,relation_type(X0,X1))
               => ilf_type(X3,subset_type(cross_product(X0,X1))) )
            & ! [X2] :
                ( ilf_type(X2,subset_type(cross_product(X0,X1)))
               => ilf_type(X2,relation_type(X0,X1)) ) ) ) ),
    file('/export/starexec/sandbox2/tmp/tmp.heUlWAQC1U/Vampire---4.8_13202',p4) ).

fof(f360,plain,
    ilf_type(sK3,subset_type(cross_product(sK2,sF16))),
    inference(forward_literal_rewriting,[],[f359,f258]) ).

fof(f258,plain,
    ! [X0,X1] :
      ( ~ member(X0,power_set(X1))
      | ilf_type(X0,subset_type(X1)) ),
    inference(resolution,[],[f210,f229]) ).

fof(f229,plain,
    ! [X0,X1] :
      ( ilf_type(X0,member_type(X1))
      | ~ member(X0,X1) ),
    inference(subsumption_resolution,[],[f228,f188]) ).

fof(f188,plain,
    ! [X2,X0] :
      ( ~ empty(X0)
      | ~ member(X2,X0) ),
    inference(subsumption_resolution,[],[f187,f113]) ).

fof(f187,plain,
    ! [X2,X0] :
      ( ~ member(X2,X0)
      | ~ empty(X0)
      | ~ ilf_type(X0,set_type) ),
    inference(subsumption_resolution,[],[f135,f113]) ).

fof(f135,plain,
    ! [X2,X0] :
      ( ~ member(X2,X0)
      | ~ ilf_type(X2,set_type)
      | ~ empty(X0)
      | ~ ilf_type(X0,set_type) ),
    inference(cnf_transformation,[],[f88]) ).

fof(f88,plain,
    ! [X0] :
      ( ( ( empty(X0)
          | ( member(sK9(X0),X0)
            & ilf_type(sK9(X0),set_type) ) )
        & ( ! [X2] :
              ( ~ member(X2,X0)
              | ~ ilf_type(X2,set_type) )
          | ~ empty(X0) ) )
      | ~ ilf_type(X0,set_type) ),
    inference(skolemisation,[status(esa),new_symbols(skolem,[sK9])],[f86,f87]) ).

fof(f87,plain,
    ! [X0] :
      ( ? [X1] :
          ( member(X1,X0)
          & ilf_type(X1,set_type) )
     => ( member(sK9(X0),X0)
        & ilf_type(sK9(X0),set_type) ) ),
    introduced(choice_axiom,[]) ).

fof(f86,plain,
    ! [X0] :
      ( ( ( empty(X0)
          | ? [X1] :
              ( member(X1,X0)
              & ilf_type(X1,set_type) ) )
        & ( ! [X2] :
              ( ~ member(X2,X0)
              | ~ ilf_type(X2,set_type) )
          | ~ empty(X0) ) )
      | ~ ilf_type(X0,set_type) ),
    inference(rectify,[],[f85]) ).

fof(f85,plain,
    ! [X0] :
      ( ( ( empty(X0)
          | ? [X1] :
              ( member(X1,X0)
              & ilf_type(X1,set_type) ) )
        & ( ! [X1] :
              ( ~ member(X1,X0)
              | ~ ilf_type(X1,set_type) )
          | ~ empty(X0) ) )
      | ~ ilf_type(X0,set_type) ),
    inference(nnf_transformation,[],[f41]) ).

fof(f41,plain,
    ! [X0] :
      ( ( empty(X0)
      <=> ! [X1] :
            ( ~ member(X1,X0)
            | ~ ilf_type(X1,set_type) ) )
      | ~ ilf_type(X0,set_type) ),
    inference(ennf_transformation,[],[f24]) ).

fof(f24,axiom,
    ! [X0] :
      ( ilf_type(X0,set_type)
     => ( empty(X0)
      <=> ! [X1] :
            ( ilf_type(X1,set_type)
           => ~ member(X1,X0) ) ) ),
    file('/export/starexec/sandbox2/tmp/tmp.heUlWAQC1U/Vampire---4.8_13202',p24) ).

fof(f228,plain,
    ! [X0,X1] :
      ( ilf_type(X0,member_type(X1))
      | ~ member(X0,X1)
      | empty(X1) ),
    inference(subsumption_resolution,[],[f227,f113]) ).

fof(f227,plain,
    ! [X0,X1] :
      ( ilf_type(X0,member_type(X1))
      | ~ member(X0,X1)
      | empty(X1)
      | ~ ilf_type(X0,set_type) ),
    inference(subsumption_resolution,[],[f161,f113]) ).

fof(f161,plain,
    ! [X0,X1] :
      ( ilf_type(X0,member_type(X1))
      | ~ member(X0,X1)
      | ~ ilf_type(X1,set_type)
      | empty(X1)
      | ~ ilf_type(X0,set_type) ),
    inference(cnf_transformation,[],[f102]) ).

fof(f102,plain,
    ! [X0] :
      ( ! [X1] :
          ( ( ( ilf_type(X0,member_type(X1))
              | ~ member(X0,X1) )
            & ( member(X0,X1)
              | ~ ilf_type(X0,member_type(X1)) ) )
          | ~ ilf_type(X1,set_type)
          | empty(X1) )
      | ~ ilf_type(X0,set_type) ),
    inference(nnf_transformation,[],[f58]) ).

fof(f58,plain,
    ! [X0] :
      ( ! [X1] :
          ( ( ilf_type(X0,member_type(X1))
          <=> member(X0,X1) )
          | ~ ilf_type(X1,set_type)
          | empty(X1) )
      | ~ ilf_type(X0,set_type) ),
    inference(flattening,[],[f57]) ).

fof(f57,plain,
    ! [X0] :
      ( ! [X1] :
          ( ( ilf_type(X0,member_type(X1))
          <=> member(X0,X1) )
          | ~ ilf_type(X1,set_type)
          | empty(X1) )
      | ~ ilf_type(X0,set_type) ),
    inference(ennf_transformation,[],[f22]) ).

fof(f22,axiom,
    ! [X0] :
      ( ilf_type(X0,set_type)
     => ! [X1] :
          ( ( ilf_type(X1,set_type)
            & ~ empty(X1) )
         => ( ilf_type(X0,member_type(X1))
          <=> member(X0,X1) ) ) ),
    file('/export/starexec/sandbox2/tmp/tmp.heUlWAQC1U/Vampire---4.8_13202',p22) ).

fof(f210,plain,
    ! [X0,X1] :
      ( ~ ilf_type(X1,member_type(power_set(X0)))
      | ilf_type(X1,subset_type(X0)) ),
    inference(subsumption_resolution,[],[f209,f113]) ).

fof(f209,plain,
    ! [X0,X1] :
      ( ilf_type(X1,subset_type(X0))
      | ~ ilf_type(X1,member_type(power_set(X0)))
      | ~ ilf_type(X0,set_type) ),
    inference(subsumption_resolution,[],[f154,f113]) ).

fof(f154,plain,
    ! [X0,X1] :
      ( ilf_type(X1,subset_type(X0))
      | ~ ilf_type(X1,member_type(power_set(X0)))
      | ~ ilf_type(X1,set_type)
      | ~ ilf_type(X0,set_type) ),
    inference(cnf_transformation,[],[f99]) ).

fof(f99,plain,
    ! [X0] :
      ( ! [X1] :
          ( ( ( ilf_type(X1,subset_type(X0))
              | ~ ilf_type(X1,member_type(power_set(X0))) )
            & ( ilf_type(X1,member_type(power_set(X0)))
              | ~ ilf_type(X1,subset_type(X0)) ) )
          | ~ ilf_type(X1,set_type) )
      | ~ ilf_type(X0,set_type) ),
    inference(nnf_transformation,[],[f50]) ).

fof(f50,plain,
    ! [X0] :
      ( ! [X1] :
          ( ( ilf_type(X1,subset_type(X0))
          <=> ilf_type(X1,member_type(power_set(X0))) )
          | ~ ilf_type(X1,set_type) )
      | ~ ilf_type(X0,set_type) ),
    inference(ennf_transformation,[],[f15]) ).

fof(f15,axiom,
    ! [X0] :
      ( ilf_type(X0,set_type)
     => ! [X1] :
          ( ilf_type(X1,set_type)
         => ( ilf_type(X1,subset_type(X0))
          <=> ilf_type(X1,member_type(power_set(X0))) ) ) ),
    file('/export/starexec/sandbox2/tmp/tmp.heUlWAQC1U/Vampire---4.8_13202',p15) ).

fof(f359,plain,
    member(sK3,power_set(cross_product(sK2,sF16))),
    inference(subsumption_resolution,[],[f358,f168]) ).

fof(f358,plain,
    ( ilf_type(sK3,sF17)
    | member(sK3,power_set(cross_product(sK2,sF16))) ),
    inference(resolution,[],[f357,f205]) ).

fof(f205,plain,
    ! [X0,X1] :
      ( member(sK11(X0,X1),X0)
      | member(X0,power_set(X1)) ),
    inference(subsumption_resolution,[],[f204,f113]) ).

fof(f204,plain,
    ! [X0,X1] :
      ( member(X0,power_set(X1))
      | member(sK11(X0,X1),X0)
      | ~ ilf_type(X0,set_type) ),
    inference(subsumption_resolution,[],[f151,f113]) ).

fof(f151,plain,
    ! [X0,X1] :
      ( member(X0,power_set(X1))
      | member(sK11(X0,X1),X0)
      | ~ ilf_type(X1,set_type)
      | ~ ilf_type(X0,set_type) ),
    inference(cnf_transformation,[],[f98]) ).

fof(f98,plain,
    ! [X0] :
      ( ! [X1] :
          ( ( ( member(X0,power_set(X1))
              | ( ~ member(sK11(X0,X1),X1)
                & member(sK11(X0,X1),X0)
                & ilf_type(sK11(X0,X1),set_type) ) )
            & ( ! [X3] :
                  ( member(X3,X1)
                  | ~ member(X3,X0)
                  | ~ ilf_type(X3,set_type) )
              | ~ member(X0,power_set(X1)) ) )
          | ~ ilf_type(X1,set_type) )
      | ~ ilf_type(X0,set_type) ),
    inference(skolemisation,[status(esa),new_symbols(skolem,[sK11])],[f96,f97]) ).

fof(f97,plain,
    ! [X0,X1] :
      ( ? [X2] :
          ( ~ member(X2,X1)
          & member(X2,X0)
          & ilf_type(X2,set_type) )
     => ( ~ member(sK11(X0,X1),X1)
        & member(sK11(X0,X1),X0)
        & ilf_type(sK11(X0,X1),set_type) ) ),
    introduced(choice_axiom,[]) ).

fof(f96,plain,
    ! [X0] :
      ( ! [X1] :
          ( ( ( member(X0,power_set(X1))
              | ? [X2] :
                  ( ~ member(X2,X1)
                  & member(X2,X0)
                  & ilf_type(X2,set_type) ) )
            & ( ! [X3] :
                  ( member(X3,X1)
                  | ~ member(X3,X0)
                  | ~ ilf_type(X3,set_type) )
              | ~ member(X0,power_set(X1)) ) )
          | ~ ilf_type(X1,set_type) )
      | ~ ilf_type(X0,set_type) ),
    inference(rectify,[],[f95]) ).

fof(f95,plain,
    ! [X0] :
      ( ! [X1] :
          ( ( ( member(X0,power_set(X1))
              | ? [X2] :
                  ( ~ member(X2,X1)
                  & member(X2,X0)
                  & ilf_type(X2,set_type) ) )
            & ( ! [X2] :
                  ( member(X2,X1)
                  | ~ member(X2,X0)
                  | ~ ilf_type(X2,set_type) )
              | ~ member(X0,power_set(X1)) ) )
          | ~ ilf_type(X1,set_type) )
      | ~ ilf_type(X0,set_type) ),
    inference(nnf_transformation,[],[f49]) ).

fof(f49,plain,
    ! [X0] :
      ( ! [X1] :
          ( ( member(X0,power_set(X1))
          <=> ! [X2] :
                ( member(X2,X1)
                | ~ member(X2,X0)
                | ~ ilf_type(X2,set_type) ) )
          | ~ ilf_type(X1,set_type) )
      | ~ ilf_type(X0,set_type) ),
    inference(flattening,[],[f48]) ).

fof(f48,plain,
    ! [X0] :
      ( ! [X1] :
          ( ( member(X0,power_set(X1))
          <=> ! [X2] :
                ( member(X2,X1)
                | ~ member(X2,X0)
                | ~ ilf_type(X2,set_type) ) )
          | ~ ilf_type(X1,set_type) )
      | ~ ilf_type(X0,set_type) ),
    inference(ennf_transformation,[],[f20]) ).

fof(f20,axiom,
    ! [X0] :
      ( ilf_type(X0,set_type)
     => ! [X1] :
          ( ilf_type(X1,set_type)
         => ( member(X0,power_set(X1))
          <=> ! [X2] :
                ( ilf_type(X2,set_type)
               => ( member(X2,X0)
                 => member(X2,X1) ) ) ) ) ),
    file('/export/starexec/sandbox2/tmp/tmp.heUlWAQC1U/Vampire---4.8_13202',p20) ).

fof(f357,plain,
    ! [X1] :
      ( ~ member(sK11(X1,cross_product(sK2,sF16)),sK3)
      | ilf_type(X1,sF17) ),
    inference(forward_demodulation,[],[f356,f167]) ).

fof(f356,plain,
    ! [X1] :
      ( ilf_type(X1,relation_type(sK2,sF16))
      | ~ member(sK11(X1,cross_product(sK2,sF16)),sK3) ),
    inference(forward_literal_rewriting,[],[f355,f194]) ).

fof(f355,plain,
    ! [X1] :
      ( ilf_type(X1,subset_type(cross_product(sK2,sF16)))
      | ~ member(sK11(X1,cross_product(sK2,sF16)),sK3) ),
    inference(forward_literal_rewriting,[],[f354,f258]) ).

fof(f354,plain,
    ! [X1] :
      ( ~ member(sK11(X1,cross_product(sK2,sF16)),sK3)
      | member(X1,power_set(cross_product(sK2,sF16))) ),
    inference(resolution,[],[f350,f203]) ).

fof(f203,plain,
    ! [X0,X1] :
      ( ~ member(sK11(X0,X1),X1)
      | member(X0,power_set(X1)) ),
    inference(subsumption_resolution,[],[f202,f113]) ).

fof(f202,plain,
    ! [X0,X1] :
      ( member(X0,power_set(X1))
      | ~ member(sK11(X0,X1),X1)
      | ~ ilf_type(X0,set_type) ),
    inference(subsumption_resolution,[],[f152,f113]) ).

fof(f152,plain,
    ! [X0,X1] :
      ( member(X0,power_set(X1))
      | ~ member(sK11(X0,X1),X1)
      | ~ ilf_type(X1,set_type)
      | ~ ilf_type(X0,set_type) ),
    inference(cnf_transformation,[],[f98]) ).

fof(f350,plain,
    ! [X1] :
      ( member(X1,cross_product(sK2,sF16))
      | ~ member(X1,sK3) ),
    inference(resolution,[],[f348,f201]) ).

fof(f201,plain,
    ! [X3,X0,X1] :
      ( ~ subset(X0,X1)
      | ~ member(X3,X0)
      | member(X3,X1) ),
    inference(subsumption_resolution,[],[f200,f113]) ).

fof(f200,plain,
    ! [X3,X0,X1] :
      ( member(X3,X1)
      | ~ member(X3,X0)
      | ~ subset(X0,X1)
      | ~ ilf_type(X0,set_type) ),
    inference(subsumption_resolution,[],[f199,f113]) ).

fof(f199,plain,
    ! [X3,X0,X1] :
      ( member(X3,X1)
      | ~ member(X3,X0)
      | ~ subset(X0,X1)
      | ~ ilf_type(X1,set_type)
      | ~ ilf_type(X0,set_type) ),
    inference(subsumption_resolution,[],[f145,f113]) ).

fof(f145,plain,
    ! [X3,X0,X1] :
      ( member(X3,X1)
      | ~ member(X3,X0)
      | ~ ilf_type(X3,set_type)
      | ~ subset(X0,X1)
      | ~ ilf_type(X1,set_type)
      | ~ ilf_type(X0,set_type) ),
    inference(cnf_transformation,[],[f94]) ).

fof(f94,plain,
    ! [X0] :
      ( ! [X1] :
          ( ( ( subset(X0,X1)
              | ( ~ member(sK10(X0,X1),X1)
                & member(sK10(X0,X1),X0)
                & ilf_type(sK10(X0,X1),set_type) ) )
            & ( ! [X3] :
                  ( member(X3,X1)
                  | ~ member(X3,X0)
                  | ~ ilf_type(X3,set_type) )
              | ~ subset(X0,X1) ) )
          | ~ ilf_type(X1,set_type) )
      | ~ ilf_type(X0,set_type) ),
    inference(skolemisation,[status(esa),new_symbols(skolem,[sK10])],[f92,f93]) ).

fof(f93,plain,
    ! [X0,X1] :
      ( ? [X2] :
          ( ~ member(X2,X1)
          & member(X2,X0)
          & ilf_type(X2,set_type) )
     => ( ~ member(sK10(X0,X1),X1)
        & member(sK10(X0,X1),X0)
        & ilf_type(sK10(X0,X1),set_type) ) ),
    introduced(choice_axiom,[]) ).

fof(f92,plain,
    ! [X0] :
      ( ! [X1] :
          ( ( ( subset(X0,X1)
              | ? [X2] :
                  ( ~ member(X2,X1)
                  & member(X2,X0)
                  & ilf_type(X2,set_type) ) )
            & ( ! [X3] :
                  ( member(X3,X1)
                  | ~ member(X3,X0)
                  | ~ ilf_type(X3,set_type) )
              | ~ subset(X0,X1) ) )
          | ~ ilf_type(X1,set_type) )
      | ~ ilf_type(X0,set_type) ),
    inference(rectify,[],[f91]) ).

fof(f91,plain,
    ! [X0] :
      ( ! [X1] :
          ( ( ( subset(X0,X1)
              | ? [X2] :
                  ( ~ member(X2,X1)
                  & member(X2,X0)
                  & ilf_type(X2,set_type) ) )
            & ( ! [X2] :
                  ( member(X2,X1)
                  | ~ member(X2,X0)
                  | ~ ilf_type(X2,set_type) )
              | ~ subset(X0,X1) ) )
          | ~ ilf_type(X1,set_type) )
      | ~ ilf_type(X0,set_type) ),
    inference(nnf_transformation,[],[f47]) ).

fof(f47,plain,
    ! [X0] :
      ( ! [X1] :
          ( ( subset(X0,X1)
          <=> ! [X2] :
                ( member(X2,X1)
                | ~ member(X2,X0)
                | ~ ilf_type(X2,set_type) ) )
          | ~ ilf_type(X1,set_type) )
      | ~ ilf_type(X0,set_type) ),
    inference(flattening,[],[f46]) ).

fof(f46,plain,
    ! [X0] :
      ( ! [X1] :
          ( ( subset(X0,X1)
          <=> ! [X2] :
                ( member(X2,X1)
                | ~ member(X2,X0)
                | ~ ilf_type(X2,set_type) ) )
          | ~ ilf_type(X1,set_type) )
      | ~ ilf_type(X0,set_type) ),
    inference(ennf_transformation,[],[f12]) ).

fof(f12,axiom,
    ! [X0] :
      ( ilf_type(X0,set_type)
     => ! [X1] :
          ( ilf_type(X1,set_type)
         => ( subset(X0,X1)
          <=> ! [X2] :
                ( ilf_type(X2,set_type)
               => ( member(X2,X0)
                 => member(X2,X1) ) ) ) ) ),
    file('/export/starexec/sandbox2/tmp/tmp.heUlWAQC1U/Vampire---4.8_13202',p12) ).

fof(f348,plain,
    subset(sK3,cross_product(sK2,sF16)),
    inference(resolution,[],[f344,f178]) ).

fof(f178,plain,
    ! [X0] : subset(X0,X0),
    inference(subsumption_resolution,[],[f123,f113]) ).

fof(f123,plain,
    ! [X0] :
      ( subset(X0,X0)
      | ~ ilf_type(X0,set_type) ),
    inference(cnf_transformation,[],[f37]) ).

fof(f37,plain,
    ! [X0] :
      ( subset(X0,X0)
      | ~ ilf_type(X0,set_type) ),
    inference(ennf_transformation,[],[f17]) ).

fof(f17,axiom,
    ! [X0] :
      ( ilf_type(X0,set_type)
     => subset(X0,X0) ),
    file('/export/starexec/sandbox2/tmp/tmp.heUlWAQC1U/Vampire---4.8_13202',p17) ).

fof(f344,plain,
    ! [X0] :
      ( ~ subset(cross_product(sK2,sF16),X0)
      | subset(sK3,X0) ),
    inference(resolution,[],[f342,f170]) ).

fof(f170,plain,
    subset(sF18,sK2),
    inference(definition_folding,[],[f111,f169]) ).

fof(f169,plain,
    domain_of(sK3) = sF18,
    introduced(function_definition,[]) ).

fof(f111,plain,
    subset(domain_of(sK3),sK2),
    inference(cnf_transformation,[],[f69]) ).

fof(f342,plain,
    ! [X0,X1] :
      ( ~ subset(sF18,X0)
      | ~ subset(cross_product(X0,sF16),X1)
      | subset(sK3,X1) ),
    inference(resolution,[],[f339,f221]) ).

fof(f221,plain,
    ! [X2,X0,X1] :
      ( ~ subset(X0,X1)
      | ~ subset(X1,X2)
      | subset(X0,X2) ),
    inference(subsumption_resolution,[],[f220,f113]) ).

fof(f220,plain,
    ! [X2,X0,X1] :
      ( subset(X0,X2)
      | ~ subset(X1,X2)
      | ~ subset(X0,X1)
      | ~ ilf_type(X0,set_type) ),
    inference(subsumption_resolution,[],[f219,f113]) ).

fof(f219,plain,
    ! [X2,X0,X1] :
      ( subset(X0,X2)
      | ~ subset(X1,X2)
      | ~ subset(X0,X1)
      | ~ ilf_type(X1,set_type)
      | ~ ilf_type(X0,set_type) ),
    inference(subsumption_resolution,[],[f157,f113]) ).

fof(f157,plain,
    ! [X2,X0,X1] :
      ( subset(X0,X2)
      | ~ subset(X1,X2)
      | ~ subset(X0,X1)
      | ~ ilf_type(X2,set_type)
      | ~ ilf_type(X1,set_type)
      | ~ ilf_type(X0,set_type) ),
    inference(cnf_transformation,[],[f54]) ).

fof(f54,plain,
    ! [X0] :
      ( ! [X1] :
          ( ! [X2] :
              ( subset(X0,X2)
              | ~ subset(X1,X2)
              | ~ subset(X0,X1)
              | ~ ilf_type(X2,set_type) )
          | ~ ilf_type(X1,set_type) )
      | ~ ilf_type(X0,set_type) ),
    inference(flattening,[],[f53]) ).

fof(f53,plain,
    ! [X0] :
      ( ! [X1] :
          ( ! [X2] :
              ( subset(X0,X2)
              | ~ subset(X1,X2)
              | ~ subset(X0,X1)
              | ~ ilf_type(X2,set_type) )
          | ~ ilf_type(X1,set_type) )
      | ~ ilf_type(X0,set_type) ),
    inference(ennf_transformation,[],[f1]) ).

fof(f1,axiom,
    ! [X0] :
      ( ilf_type(X0,set_type)
     => ! [X1] :
          ( ilf_type(X1,set_type)
         => ! [X2] :
              ( ilf_type(X2,set_type)
             => ( ( subset(X1,X2)
                  & subset(X0,X1) )
               => subset(X0,X2) ) ) ) ),
    file('/export/starexec/sandbox2/tmp/tmp.heUlWAQC1U/Vampire---4.8_13202',p1) ).

fof(f339,plain,
    ! [X0] :
      ( subset(sK3,cross_product(X0,sF16))
      | ~ subset(sF18,X0) ),
    inference(resolution,[],[f218,f288]) ).

fof(f288,plain,
    ! [X0] :
      ( ~ subset(cross_product(sF18,sF16),X0)
      | subset(sK3,X0) ),
    inference(resolution,[],[f287,f221]) ).

fof(f287,plain,
    subset(sK3,cross_product(sF18,sF16)),
    inference(forward_demodulation,[],[f286,f169]) ).

fof(f286,plain,
    subset(sK3,cross_product(domain_of(sK3),sF16)),
    inference(forward_demodulation,[],[f285,f166]) ).

fof(f285,plain,
    subset(sK3,cross_product(domain_of(sK3),range_of(sK3))),
    inference(resolution,[],[f116,f110]) ).

fof(f110,plain,
    ilf_type(sK3,binary_relation_type),
    inference(cnf_transformation,[],[f69]) ).

fof(f116,plain,
    ! [X0] :
      ( ~ ilf_type(X0,binary_relation_type)
      | subset(X0,cross_product(domain_of(X0),range_of(X0))) ),
    inference(cnf_transformation,[],[f34]) ).

fof(f34,plain,
    ! [X0] :
      ( subset(X0,cross_product(domain_of(X0),range_of(X0)))
      | ~ ilf_type(X0,binary_relation_type) ),
    inference(ennf_transformation,[],[f2]) ).

fof(f2,axiom,
    ! [X0] :
      ( ilf_type(X0,binary_relation_type)
     => subset(X0,cross_product(domain_of(X0),range_of(X0))) ),
    file('/export/starexec/sandbox2/tmp/tmp.heUlWAQC1U/Vampire---4.8_13202',p2) ).

fof(f218,plain,
    ! [X2,X0,X1] :
      ( subset(cross_product(X0,X2),cross_product(X1,X2))
      | ~ subset(X0,X1) ),
    inference(subsumption_resolution,[],[f217,f113]) ).

fof(f217,plain,
    ! [X2,X0,X1] :
      ( subset(cross_product(X0,X2),cross_product(X1,X2))
      | ~ subset(X0,X1)
      | ~ ilf_type(X0,set_type) ),
    inference(subsumption_resolution,[],[f216,f113]) ).

fof(f216,plain,
    ! [X2,X0,X1] :
      ( subset(cross_product(X0,X2),cross_product(X1,X2))
      | ~ subset(X0,X1)
      | ~ ilf_type(X1,set_type)
      | ~ ilf_type(X0,set_type) ),
    inference(subsumption_resolution,[],[f155,f113]) ).

fof(f155,plain,
    ! [X2,X0,X1] :
      ( subset(cross_product(X0,X2),cross_product(X1,X2))
      | ~ subset(X0,X1)
      | ~ ilf_type(X2,set_type)
      | ~ ilf_type(X1,set_type)
      | ~ ilf_type(X0,set_type) ),
    inference(cnf_transformation,[],[f52]) ).

fof(f52,plain,
    ! [X0] :
      ( ! [X1] :
          ( ! [X2] :
              ( ( subset(cross_product(X2,X0),cross_product(X2,X1))
                & subset(cross_product(X0,X2),cross_product(X1,X2)) )
              | ~ subset(X0,X1)
              | ~ ilf_type(X2,set_type) )
          | ~ ilf_type(X1,set_type) )
      | ~ ilf_type(X0,set_type) ),
    inference(flattening,[],[f51]) ).

fof(f51,plain,
    ! [X0] :
      ( ! [X1] :
          ( ! [X2] :
              ( ( subset(cross_product(X2,X0),cross_product(X2,X1))
                & subset(cross_product(X0,X2),cross_product(X1,X2)) )
              | ~ subset(X0,X1)
              | ~ ilf_type(X2,set_type) )
          | ~ ilf_type(X1,set_type) )
      | ~ ilf_type(X0,set_type) ),
    inference(ennf_transformation,[],[f3]) ).

fof(f3,axiom,
    ! [X0] :
      ( ilf_type(X0,set_type)
     => ! [X1] :
          ( ilf_type(X1,set_type)
         => ! [X2] :
              ( ilf_type(X2,set_type)
             => ( subset(X0,X1)
               => ( subset(cross_product(X2,X0),cross_product(X2,X1))
                  & subset(cross_product(X0,X2),cross_product(X1,X2)) ) ) ) ) ),
    file('/export/starexec/sandbox2/tmp/tmp.heUlWAQC1U/Vampire---4.8_13202',p3) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.12  % Problem    : SET647+3 : TPTP v8.1.2. Released v2.2.0.
% 0.13/0.14  % Command    : vampire --ignore_missing on --mode portfolio/casc [--schedule casc_hol_2020] -p tptp -om szs -t %d %s
% 0.15/0.35  % Computer : n004.cluster.edu
% 0.15/0.35  % Model    : x86_64 x86_64
% 0.15/0.35  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.15/0.35  % Memory   : 8042.1875MB
% 0.15/0.35  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.15/0.35  % CPULimit   : 300
% 0.15/0.35  % WCLimit    : 300
% 0.15/0.35  % DateTime   : Sat Aug 26 09:48:08 EDT 2023
% 0.15/0.35  % CPUTime    : 
% 0.15/0.35  This is a FOF_THM_RFO_SEQ problem
% 0.15/0.35  Running vampire_casc2023 --mode casc -m 16384 --cores 7 -t 300 /export/starexec/sandbox2/tmp/tmp.heUlWAQC1U/Vampire---4.8_13202
% 0.15/0.36  % (13316)Running in auto input_syntax mode. Trying TPTP
% 0.21/0.39  % (13322)dis+1011_4_add=large:amm=off:sims=off:sac=on:sp=frequency:tgt=ground_413 on Vampire---4 for (413ds/0Mi)
% 0.21/0.42  % (13319)dis-11_4:1_aac=none:add=off:afr=on:anc=none:bd=preordered:bs=on:bsr=on:drc=off:fsr=off:fde=none:gsp=on:irw=on:lcm=reverse:lma=on:nm=0:nwc=1.7:nicw=on:sas=z3:sims=off:sos=all:sac=on:sp=weighted_frequency:tgt=full_602 on Vampire---4 for (602ds/0Mi)
% 0.21/0.42  % (13321)lrs+1010_20_av=off:bd=off:bs=on:bsr=on:bce=on:flr=on:fde=none:gsp=on:nwc=3.0:tgt=ground:urr=ec_only:stl=125_424 on Vampire---4 for (424ds/0Mi)
% 0.21/0.42  % (13320)lrs-3_8_anc=none:bce=on:cond=on:drc=off:flr=on:fsd=off:fsr=off:fde=unused:gsp=on:gs=on:gsaa=full_model:lcm=predicate:lma=on:nm=16:sos=all:sp=weighted_frequency:tgt=ground:urr=ec_only:stl=188_482 on Vampire---4 for (482ds/0Mi)
% 0.21/0.42  % (13318)dis+1010_4:1_anc=none:bd=off:drc=off:flr=on:fsr=off:nm=4:nwc=1.1:nicw=on:sas=z3_680 on Vampire---4 for (680ds/0Mi)
% 0.21/0.42  % (13317)lrs+10_11_cond=on:drc=off:flr=on:fsr=off:gsp=on:gs=on:gsem=off:lma=on:msp=off:nm=4:nwc=1.5:nicw=on:sas=z3:sims=off:sp=scramble:stl=188_730 on Vampire---4 for (730ds/0Mi)
% 0.21/0.42  % (13323)ott+11_14_av=off:bs=on:bsr=on:cond=on:flr=on:fsd=off:fde=unused:gsp=on:nm=4:nwc=1.5:tgt=full_386 on Vampire---4 for (386ds/0Mi)
% 0.21/0.43  % (13323)First to succeed.
% 0.21/0.43  % (13323)Refutation found. Thanks to Tanya!
% 0.21/0.43  % SZS status Theorem for Vampire---4
% 0.21/0.43  % SZS output start Proof for Vampire---4
% See solution above
% 0.21/0.43  % (13323)------------------------------
% 0.21/0.43  % (13323)Version: Vampire 4.7 (commit 05ef610bd on 2023-06-21 19:03:17 +0100)
% 0.21/0.43  % (13323)Linked with Z3 4.9.1.0 6ed071b44407cf6623b8d3c0dceb2a8fb7040cee z3-4.8.4-6427-g6ed071b44
% 0.21/0.43  % (13323)Termination reason: Refutation
% 0.21/0.43  
% 0.21/0.43  % (13323)Memory used [KB]: 1279
% 0.21/0.43  % (13323)Time elapsed: 0.013 s
% 0.21/0.43  % (13323)------------------------------
% 0.21/0.43  % (13323)------------------------------
% 0.21/0.43  % (13316)Success in time 0.074 s
% 0.21/0.43  % Vampire---4.8 exiting
%------------------------------------------------------------------------------