TSTP Solution File: SEU059+1 by Vampire---4.8

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Vampire---4.8
% Problem  : SEU059+1 : TPTP v8.1.2. Bugfixed v4.0.0.
% 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 : n003.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 17:55:08 EDT 2023

% Result   : Theorem 0.22s 0.53s
% Output   : Refutation 0.22s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   32
%            Number of leaves      :   11
% Syntax   : Number of formulae    :   93 (  12 unt;   0 def)
%            Number of atoms       :  397 (  53 equ)
%            Maximal formula atoms :   16 (   4 avg)
%            Number of connectives :  504 ( 200   ~; 225   |;  65   &)
%                                         (   8 <=>;   6  =>;   0  <=;   0 <~>)
%            Maximal formula depth :   12 (   6 avg)
%            Maximal term depth    :    3 (   1 avg)
%            Number of predicates  :    5 (   3 usr;   1 prp; 0-2 aty)
%            Number of functors    :   14 (  14 usr;   8 con; 0-3 aty)
%            Number of variables   :  169 (; 152   !;  17   ?)

% Comments : 
%------------------------------------------------------------------------------
fof(f2942,plain,
    $false,
    inference(unit_resulting_resolution,[],[f2922,f2932,f951]) ).

fof(f951,plain,
    ! [X0] :
      ( ~ in(X0,sF21)
      | ~ in(X0,sF19) ),
    inference(resolution,[],[f823,f805]) ).

fof(f805,plain,
    ! [X2] :
      ( in(apply(sK2,X2),sK1)
      | ~ in(X2,sF21) ),
    inference(subsumption_resolution,[],[f804,f108]) ).

fof(f108,plain,
    relation(sK2),
    inference(cnf_transformation,[],[f72]) ).

fof(f72,plain,
    ( relation_inverse_image(sK2,set_difference(sK0,sK1)) != set_difference(relation_inverse_image(sK2,sK0),relation_inverse_image(sK2,sK1))
    & function(sK2)
    & relation(sK2) ),
    inference(skolemisation,[status(esa),new_symbols(skolem,[sK0,sK1,sK2])],[f46,f71]) ).

fof(f71,plain,
    ( ? [X0,X1,X2] :
        ( relation_inverse_image(X2,set_difference(X0,X1)) != set_difference(relation_inverse_image(X2,X0),relation_inverse_image(X2,X1))
        & function(X2)
        & relation(X2) )
   => ( relation_inverse_image(sK2,set_difference(sK0,sK1)) != set_difference(relation_inverse_image(sK2,sK0),relation_inverse_image(sK2,sK1))
      & function(sK2)
      & relation(sK2) ) ),
    introduced(choice_axiom,[]) ).

fof(f46,plain,
    ? [X0,X1,X2] :
      ( relation_inverse_image(X2,set_difference(X0,X1)) != set_difference(relation_inverse_image(X2,X0),relation_inverse_image(X2,X1))
      & function(X2)
      & relation(X2) ),
    inference(flattening,[],[f45]) ).

fof(f45,plain,
    ? [X0,X1,X2] :
      ( relation_inverse_image(X2,set_difference(X0,X1)) != set_difference(relation_inverse_image(X2,X0),relation_inverse_image(X2,X1))
      & function(X2)
      & relation(X2) ),
    inference(ennf_transformation,[],[f27]) ).

fof(f27,negated_conjecture,
    ~ ! [X0,X1,X2] :
        ( ( function(X2)
          & relation(X2) )
       => relation_inverse_image(X2,set_difference(X0,X1)) = set_difference(relation_inverse_image(X2,X0),relation_inverse_image(X2,X1)) ),
    inference(negated_conjecture,[],[f26]) ).

fof(f26,conjecture,
    ! [X0,X1,X2] :
      ( ( function(X2)
        & relation(X2) )
     => relation_inverse_image(X2,set_difference(X0,X1)) = set_difference(relation_inverse_image(X2,X0),relation_inverse_image(X2,X1)) ),
    file('/export/starexec/sandbox/tmp/tmp.1MxHVcvs7D/Vampire---4.8_1253',t138_funct_1) ).

fof(f804,plain,
    ! [X2] :
      ( ~ in(X2,sF21)
      | in(apply(sK2,X2),sK1)
      | ~ relation(sK2) ),
    inference(subsumption_resolution,[],[f799,f109]) ).

fof(f109,plain,
    function(sK2),
    inference(cnf_transformation,[],[f72]) ).

fof(f799,plain,
    ! [X2] :
      ( ~ in(X2,sF21)
      | in(apply(sK2,X2),sK1)
      | ~ function(sK2)
      | ~ relation(sK2) ),
    inference(superposition,[],[f171,f181]) ).

fof(f181,plain,
    relation_inverse_image(sK2,sK1) = sF21,
    introduced(function_definition,[]) ).

fof(f171,plain,
    ! [X0,X1,X4] :
      ( ~ in(X4,relation_inverse_image(X0,X1))
      | in(apply(X0,X4),X1)
      | ~ function(X0)
      | ~ relation(X0) ),
    inference(equality_resolution,[],[f128]) ).

fof(f128,plain,
    ! [X2,X0,X1,X4] :
      ( in(apply(X0,X4),X1)
      | ~ in(X4,X2)
      | relation_inverse_image(X0,X1) != X2
      | ~ function(X0)
      | ~ relation(X0) ),
    inference(cnf_transformation,[],[f79]) ).

fof(f79,plain,
    ! [X0] :
      ( ! [X1,X2] :
          ( ( relation_inverse_image(X0,X1) = X2
            | ( ( ~ in(apply(X0,sK4(X0,X1,X2)),X1)
                | ~ in(sK4(X0,X1,X2),relation_dom(X0))
                | ~ in(sK4(X0,X1,X2),X2) )
              & ( ( in(apply(X0,sK4(X0,X1,X2)),X1)
                  & in(sK4(X0,X1,X2),relation_dom(X0)) )
                | in(sK4(X0,X1,X2),X2) ) ) )
          & ( ! [X4] :
                ( ( in(X4,X2)
                  | ~ in(apply(X0,X4),X1)
                  | ~ in(X4,relation_dom(X0)) )
                & ( ( in(apply(X0,X4),X1)
                    & in(X4,relation_dom(X0)) )
                  | ~ in(X4,X2) ) )
            | relation_inverse_image(X0,X1) != X2 ) )
      | ~ function(X0)
      | ~ relation(X0) ),
    inference(skolemisation,[status(esa),new_symbols(skolem,[sK4])],[f77,f78]) ).

fof(f78,plain,
    ! [X0,X1,X2] :
      ( ? [X3] :
          ( ( ~ in(apply(X0,X3),X1)
            | ~ in(X3,relation_dom(X0))
            | ~ in(X3,X2) )
          & ( ( in(apply(X0,X3),X1)
              & in(X3,relation_dom(X0)) )
            | in(X3,X2) ) )
     => ( ( ~ in(apply(X0,sK4(X0,X1,X2)),X1)
          | ~ in(sK4(X0,X1,X2),relation_dom(X0))
          | ~ in(sK4(X0,X1,X2),X2) )
        & ( ( in(apply(X0,sK4(X0,X1,X2)),X1)
            & in(sK4(X0,X1,X2),relation_dom(X0)) )
          | in(sK4(X0,X1,X2),X2) ) ) ),
    introduced(choice_axiom,[]) ).

fof(f77,plain,
    ! [X0] :
      ( ! [X1,X2] :
          ( ( relation_inverse_image(X0,X1) = X2
            | ? [X3] :
                ( ( ~ in(apply(X0,X3),X1)
                  | ~ in(X3,relation_dom(X0))
                  | ~ in(X3,X2) )
                & ( ( in(apply(X0,X3),X1)
                    & in(X3,relation_dom(X0)) )
                  | in(X3,X2) ) ) )
          & ( ! [X4] :
                ( ( in(X4,X2)
                  | ~ in(apply(X0,X4),X1)
                  | ~ in(X4,relation_dom(X0)) )
                & ( ( in(apply(X0,X4),X1)
                    & in(X4,relation_dom(X0)) )
                  | ~ in(X4,X2) ) )
            | relation_inverse_image(X0,X1) != X2 ) )
      | ~ function(X0)
      | ~ relation(X0) ),
    inference(rectify,[],[f76]) ).

fof(f76,plain,
    ! [X0] :
      ( ! [X1,X2] :
          ( ( relation_inverse_image(X0,X1) = X2
            | ? [X3] :
                ( ( ~ in(apply(X0,X3),X1)
                  | ~ in(X3,relation_dom(X0))
                  | ~ in(X3,X2) )
                & ( ( in(apply(X0,X3),X1)
                    & in(X3,relation_dom(X0)) )
                  | in(X3,X2) ) ) )
          & ( ! [X3] :
                ( ( in(X3,X2)
                  | ~ in(apply(X0,X3),X1)
                  | ~ in(X3,relation_dom(X0)) )
                & ( ( in(apply(X0,X3),X1)
                    & in(X3,relation_dom(X0)) )
                  | ~ in(X3,X2) ) )
            | relation_inverse_image(X0,X1) != X2 ) )
      | ~ function(X0)
      | ~ relation(X0) ),
    inference(flattening,[],[f75]) ).

fof(f75,plain,
    ! [X0] :
      ( ! [X1,X2] :
          ( ( relation_inverse_image(X0,X1) = X2
            | ? [X3] :
                ( ( ~ in(apply(X0,X3),X1)
                  | ~ in(X3,relation_dom(X0))
                  | ~ in(X3,X2) )
                & ( ( in(apply(X0,X3),X1)
                    & in(X3,relation_dom(X0)) )
                  | in(X3,X2) ) ) )
          & ( ! [X3] :
                ( ( in(X3,X2)
                  | ~ in(apply(X0,X3),X1)
                  | ~ in(X3,relation_dom(X0)) )
                & ( ( in(apply(X0,X3),X1)
                    & in(X3,relation_dom(X0)) )
                  | ~ in(X3,X2) ) )
            | relation_inverse_image(X0,X1) != X2 ) )
      | ~ function(X0)
      | ~ relation(X0) ),
    inference(nnf_transformation,[],[f55]) ).

fof(f55,plain,
    ! [X0] :
      ( ! [X1,X2] :
          ( relation_inverse_image(X0,X1) = X2
        <=> ! [X3] :
              ( in(X3,X2)
            <=> ( in(apply(X0,X3),X1)
                & in(X3,relation_dom(X0)) ) ) )
      | ~ function(X0)
      | ~ relation(X0) ),
    inference(flattening,[],[f54]) ).

fof(f54,plain,
    ! [X0] :
      ( ! [X1,X2] :
          ( relation_inverse_image(X0,X1) = X2
        <=> ! [X3] :
              ( in(X3,X2)
            <=> ( in(apply(X0,X3),X1)
                & in(X3,relation_dom(X0)) ) ) )
      | ~ function(X0)
      | ~ relation(X0) ),
    inference(ennf_transformation,[],[f5]) ).

fof(f5,axiom,
    ! [X0] :
      ( ( function(X0)
        & relation(X0) )
     => ! [X1,X2] :
          ( relation_inverse_image(X0,X1) = X2
        <=> ! [X3] :
              ( in(X3,X2)
            <=> ( in(apply(X0,X3),X1)
                & in(X3,relation_dom(X0)) ) ) ) ),
    file('/export/starexec/sandbox/tmp/tmp.1MxHVcvs7D/Vampire---4.8_1253',d13_funct_1) ).

fof(f823,plain,
    ! [X1] :
      ( ~ in(apply(sK2,X1),sK1)
      | ~ in(X1,sF19) ),
    inference(resolution,[],[f801,f272]) ).

fof(f272,plain,
    ! [X10] :
      ( ~ in(X10,sF18)
      | ~ in(X10,sK1) ),
    inference(superposition,[],[f174,f178]) ).

fof(f178,plain,
    set_difference(sK0,sK1) = sF18,
    introduced(function_definition,[]) ).

fof(f174,plain,
    ! [X0,X1,X4] :
      ( ~ in(X4,set_difference(X0,X1))
      | ~ in(X4,X1) ),
    inference(equality_resolution,[],[f150]) ).

fof(f150,plain,
    ! [X2,X0,X1,X4] :
      ( ~ in(X4,X1)
      | ~ in(X4,X2)
      | set_difference(X0,X1) != X2 ),
    inference(cnf_transformation,[],[f91]) ).

fof(f91,plain,
    ! [X0,X1,X2] :
      ( ( set_difference(X0,X1) = X2
        | ( ( in(sK8(X0,X1,X2),X1)
            | ~ in(sK8(X0,X1,X2),X0)
            | ~ in(sK8(X0,X1,X2),X2) )
          & ( ( ~ in(sK8(X0,X1,X2),X1)
              & in(sK8(X0,X1,X2),X0) )
            | in(sK8(X0,X1,X2),X2) ) ) )
      & ( ! [X4] :
            ( ( in(X4,X2)
              | in(X4,X1)
              | ~ in(X4,X0) )
            & ( ( ~ in(X4,X1)
                & in(X4,X0) )
              | ~ in(X4,X2) ) )
        | set_difference(X0,X1) != X2 ) ),
    inference(skolemisation,[status(esa),new_symbols(skolem,[sK8])],[f89,f90]) ).

fof(f90,plain,
    ! [X0,X1,X2] :
      ( ? [X3] :
          ( ( in(X3,X1)
            | ~ in(X3,X0)
            | ~ in(X3,X2) )
          & ( ( ~ in(X3,X1)
              & in(X3,X0) )
            | in(X3,X2) ) )
     => ( ( in(sK8(X0,X1,X2),X1)
          | ~ in(sK8(X0,X1,X2),X0)
          | ~ in(sK8(X0,X1,X2),X2) )
        & ( ( ~ in(sK8(X0,X1,X2),X1)
            & in(sK8(X0,X1,X2),X0) )
          | in(sK8(X0,X1,X2),X2) ) ) ),
    introduced(choice_axiom,[]) ).

fof(f89,plain,
    ! [X0,X1,X2] :
      ( ( set_difference(X0,X1) = X2
        | ? [X3] :
            ( ( in(X3,X1)
              | ~ in(X3,X0)
              | ~ in(X3,X2) )
            & ( ( ~ in(X3,X1)
                & in(X3,X0) )
              | in(X3,X2) ) ) )
      & ( ! [X4] :
            ( ( in(X4,X2)
              | in(X4,X1)
              | ~ in(X4,X0) )
            & ( ( ~ in(X4,X1)
                & in(X4,X0) )
              | ~ in(X4,X2) ) )
        | set_difference(X0,X1) != X2 ) ),
    inference(rectify,[],[f88]) ).

fof(f88,plain,
    ! [X0,X1,X2] :
      ( ( set_difference(X0,X1) = X2
        | ? [X3] :
            ( ( in(X3,X1)
              | ~ in(X3,X0)
              | ~ in(X3,X2) )
            & ( ( ~ in(X3,X1)
                & in(X3,X0) )
              | in(X3,X2) ) ) )
      & ( ! [X3] :
            ( ( in(X3,X2)
              | in(X3,X1)
              | ~ in(X3,X0) )
            & ( ( ~ in(X3,X1)
                & in(X3,X0) )
              | ~ in(X3,X2) ) )
        | set_difference(X0,X1) != X2 ) ),
    inference(flattening,[],[f87]) ).

fof(f87,plain,
    ! [X0,X1,X2] :
      ( ( set_difference(X0,X1) = X2
        | ? [X3] :
            ( ( in(X3,X1)
              | ~ in(X3,X0)
              | ~ in(X3,X2) )
            & ( ( ~ in(X3,X1)
                & in(X3,X0) )
              | in(X3,X2) ) ) )
      & ( ! [X3] :
            ( ( in(X3,X2)
              | in(X3,X1)
              | ~ in(X3,X0) )
            & ( ( ~ in(X3,X1)
                & in(X3,X0) )
              | ~ in(X3,X2) ) )
        | set_difference(X0,X1) != X2 ) ),
    inference(nnf_transformation,[],[f6]) ).

fof(f6,axiom,
    ! [X0,X1,X2] :
      ( set_difference(X0,X1) = X2
    <=> ! [X3] :
          ( in(X3,X2)
        <=> ( ~ in(X3,X1)
            & in(X3,X0) ) ) ),
    file('/export/starexec/sandbox/tmp/tmp.1MxHVcvs7D/Vampire---4.8_1253',d4_xboole_0) ).

fof(f801,plain,
    ! [X0] :
      ( in(apply(sK2,X0),sF18)
      | ~ in(X0,sF19) ),
    inference(subsumption_resolution,[],[f800,f108]) ).

fof(f800,plain,
    ! [X0] :
      ( ~ in(X0,sF19)
      | in(apply(sK2,X0),sF18)
      | ~ relation(sK2) ),
    inference(subsumption_resolution,[],[f797,f109]) ).

fof(f797,plain,
    ! [X0] :
      ( ~ in(X0,sF19)
      | in(apply(sK2,X0),sF18)
      | ~ function(sK2)
      | ~ relation(sK2) ),
    inference(superposition,[],[f171,f179]) ).

fof(f179,plain,
    relation_inverse_image(sK2,sF18) = sF19,
    introduced(function_definition,[]) ).

fof(f2932,plain,
    in(sK8(sF20,sF21,sF19),sF21),
    inference(subsumption_resolution,[],[f2931,f183]) ).

fof(f183,plain,
    sF19 != sF22,
    inference(definition_folding,[],[f110,f182,f181,f180,f179,f178]) ).

fof(f180,plain,
    relation_inverse_image(sK2,sK0) = sF20,
    introduced(function_definition,[]) ).

fof(f182,plain,
    set_difference(sF20,sF21) = sF22,
    introduced(function_definition,[]) ).

fof(f110,plain,
    relation_inverse_image(sK2,set_difference(sK0,sK1)) != set_difference(relation_inverse_image(sK2,sK0),relation_inverse_image(sK2,sK1)),
    inference(cnf_transformation,[],[f72]) ).

fof(f2931,plain,
    ( sF19 = sF22
    | in(sK8(sF20,sF21,sF19),sF21) ),
    inference(forward_demodulation,[],[f2930,f182]) ).

fof(f2930,plain,
    ( in(sK8(sF20,sF21,sF19),sF21)
    | sF19 = set_difference(sF20,sF21) ),
    inference(subsumption_resolution,[],[f2924,f2864]) ).

fof(f2864,plain,
    ! [X0] :
      ( in(sK8(sF20,X0,sF19),sF20)
      | sF19 = set_difference(sF20,X0) ),
    inference(factoring,[],[f1091]) ).

fof(f1091,plain,
    ! [X2,X1] :
      ( in(sK8(X1,X2,sF19),sF20)
      | in(sK8(X1,X2,sF19),X1)
      | sF19 = set_difference(X1,X2) ),
    inference(resolution,[],[f1076,f152]) ).

fof(f152,plain,
    ! [X2,X0,X1] :
      ( in(sK8(X0,X1,X2),X2)
      | in(sK8(X0,X1,X2),X0)
      | set_difference(X0,X1) = X2 ),
    inference(cnf_transformation,[],[f91]) ).

fof(f1076,plain,
    ! [X1] :
      ( ~ in(X1,sF19)
      | in(X1,sF20) ),
    inference(forward_demodulation,[],[f1075,f180]) ).

fof(f1075,plain,
    ! [X1] :
      ( in(X1,relation_inverse_image(sK2,sK0))
      | ~ in(X1,sF19) ),
    inference(subsumption_resolution,[],[f1074,f726]) ).

fof(f726,plain,
    ! [X0] :
      ( in(X0,relation_dom(sK2))
      | ~ in(X0,sF19) ),
    inference(subsumption_resolution,[],[f725,f108]) ).

fof(f725,plain,
    ! [X0] :
      ( ~ in(X0,sF19)
      | in(X0,relation_dom(sK2))
      | ~ relation(sK2) ),
    inference(subsumption_resolution,[],[f722,f109]) ).

fof(f722,plain,
    ! [X0] :
      ( ~ in(X0,sF19)
      | in(X0,relation_dom(sK2))
      | ~ function(sK2)
      | ~ relation(sK2) ),
    inference(superposition,[],[f172,f179]) ).

fof(f172,plain,
    ! [X0,X1,X4] :
      ( ~ in(X4,relation_inverse_image(X0,X1))
      | in(X4,relation_dom(X0))
      | ~ function(X0)
      | ~ relation(X0) ),
    inference(equality_resolution,[],[f127]) ).

fof(f127,plain,
    ! [X2,X0,X1,X4] :
      ( in(X4,relation_dom(X0))
      | ~ in(X4,X2)
      | relation_inverse_image(X0,X1) != X2
      | ~ function(X0)
      | ~ relation(X0) ),
    inference(cnf_transformation,[],[f79]) ).

fof(f1074,plain,
    ! [X1] :
      ( in(X1,relation_inverse_image(sK2,sK0))
      | ~ in(X1,relation_dom(sK2))
      | ~ in(X1,sF19) ),
    inference(subsumption_resolution,[],[f1073,f108]) ).

fof(f1073,plain,
    ! [X1] :
      ( in(X1,relation_inverse_image(sK2,sK0))
      | ~ in(X1,relation_dom(sK2))
      | ~ relation(sK2)
      | ~ in(X1,sF19) ),
    inference(subsumption_resolution,[],[f1061,f109]) ).

fof(f1061,plain,
    ! [X1] :
      ( in(X1,relation_inverse_image(sK2,sK0))
      | ~ in(X1,relation_dom(sK2))
      | ~ function(sK2)
      | ~ relation(sK2)
      | ~ in(X1,sF19) ),
    inference(resolution,[],[f170,f822]) ).

fof(f822,plain,
    ! [X0] :
      ( in(apply(sK2,X0),sK0)
      | ~ in(X0,sF19) ),
    inference(resolution,[],[f801,f286]) ).

fof(f286,plain,
    ! [X10] :
      ( ~ in(X10,sF18)
      | in(X10,sK0) ),
    inference(superposition,[],[f175,f178]) ).

fof(f175,plain,
    ! [X0,X1,X4] :
      ( ~ in(X4,set_difference(X0,X1))
      | in(X4,X0) ),
    inference(equality_resolution,[],[f149]) ).

fof(f149,plain,
    ! [X2,X0,X1,X4] :
      ( in(X4,X0)
      | ~ in(X4,X2)
      | set_difference(X0,X1) != X2 ),
    inference(cnf_transformation,[],[f91]) ).

fof(f170,plain,
    ! [X0,X1,X4] :
      ( ~ in(apply(X0,X4),X1)
      | in(X4,relation_inverse_image(X0,X1))
      | ~ in(X4,relation_dom(X0))
      | ~ function(X0)
      | ~ relation(X0) ),
    inference(equality_resolution,[],[f129]) ).

fof(f129,plain,
    ! [X2,X0,X1,X4] :
      ( in(X4,X2)
      | ~ in(apply(X0,X4),X1)
      | ~ in(X4,relation_dom(X0))
      | relation_inverse_image(X0,X1) != X2
      | ~ function(X0)
      | ~ relation(X0) ),
    inference(cnf_transformation,[],[f79]) ).

fof(f2924,plain,
    ( in(sK8(sF20,sF21,sF19),sF21)
    | ~ in(sK8(sF20,sF21,sF19),sF20)
    | sF19 = set_difference(sF20,sF21) ),
    inference(resolution,[],[f2922,f154]) ).

fof(f154,plain,
    ! [X2,X0,X1] :
      ( ~ in(sK8(X0,X1,X2),X2)
      | in(sK8(X0,X1,X2),X1)
      | ~ in(sK8(X0,X1,X2),X0)
      | set_difference(X0,X1) = X2 ),
    inference(cnf_transformation,[],[f91]) ).

fof(f2922,plain,
    in(sK8(sF20,sF21,sF19),sF19),
    inference(subsumption_resolution,[],[f2921,f183]) ).

fof(f2921,plain,
    ( sF19 = sF22
    | in(sK8(sF20,sF21,sF19),sF19) ),
    inference(forward_demodulation,[],[f2920,f182]) ).

fof(f2920,plain,
    ( in(sK8(sF20,sF21,sF19),sF19)
    | sF19 = set_difference(sF20,sF21) ),
    inference(duplicate_literal_removal,[],[f2914]) ).

fof(f2914,plain,
    ( in(sK8(sF20,sF21,sF19),sF19)
    | sF19 = set_difference(sF20,sF21)
    | sF19 = set_difference(sF20,sF21)
    | in(sK8(sF20,sF21,sF19),sF19) ),
    inference(resolution,[],[f2868,f153]) ).

fof(f153,plain,
    ! [X2,X0,X1] :
      ( ~ in(sK8(X0,X1,X2),X1)
      | set_difference(X0,X1) = X2
      | in(sK8(X0,X1,X2),X2) ),
    inference(cnf_transformation,[],[f91]) ).

fof(f2868,plain,
    ! [X0] :
      ( in(sK8(sF20,X0,sF19),sF21)
      | in(sK8(sF20,X0,sF19),sF19)
      | sF19 = set_difference(sF20,X0) ),
    inference(resolution,[],[f2864,f1607]) ).

fof(f1607,plain,
    ! [X1] :
      ( ~ in(X1,sF20)
      | in(X1,sF19)
      | in(X1,sF21) ),
    inference(forward_demodulation,[],[f1606,f181]) ).

fof(f1606,plain,
    ! [X1] :
      ( in(X1,sF19)
      | ~ in(X1,sF20)
      | in(X1,relation_inverse_image(sK2,sK1)) ),
    inference(subsumption_resolution,[],[f1605,f728]) ).

fof(f728,plain,
    ! [X1] :
      ( in(X1,relation_dom(sK2))
      | ~ in(X1,sF20) ),
    inference(subsumption_resolution,[],[f727,f108]) ).

fof(f727,plain,
    ! [X1] :
      ( ~ in(X1,sF20)
      | in(X1,relation_dom(sK2))
      | ~ relation(sK2) ),
    inference(subsumption_resolution,[],[f723,f109]) ).

fof(f723,plain,
    ! [X1] :
      ( ~ in(X1,sF20)
      | in(X1,relation_dom(sK2))
      | ~ function(sK2)
      | ~ relation(sK2) ),
    inference(superposition,[],[f172,f180]) ).

fof(f1605,plain,
    ! [X1] :
      ( in(X1,sF19)
      | ~ in(X1,sF20)
      | in(X1,relation_inverse_image(sK2,sK1))
      | ~ in(X1,relation_dom(sK2)) ),
    inference(subsumption_resolution,[],[f1604,f108]) ).

fof(f1604,plain,
    ! [X1] :
      ( in(X1,sF19)
      | ~ in(X1,sF20)
      | in(X1,relation_inverse_image(sK2,sK1))
      | ~ in(X1,relation_dom(sK2))
      | ~ relation(sK2) ),
    inference(subsumption_resolution,[],[f1598,f109]) ).

fof(f1598,plain,
    ! [X1] :
      ( in(X1,sF19)
      | ~ in(X1,sF20)
      | in(X1,relation_inverse_image(sK2,sK1))
      | ~ in(X1,relation_dom(sK2))
      | ~ function(sK2)
      | ~ relation(sK2) ),
    inference(resolution,[],[f1591,f170]) ).

fof(f1591,plain,
    ! [X0] :
      ( in(apply(sK2,X0),sK1)
      | in(X0,sF19)
      | ~ in(X0,sF20) ),
    inference(forward_demodulation,[],[f1590,f179]) ).

fof(f1590,plain,
    ! [X0] :
      ( in(apply(sK2,X0),sK1)
      | ~ in(X0,sF20)
      | in(X0,relation_inverse_image(sK2,sF18)) ),
    inference(subsumption_resolution,[],[f1589,f728]) ).

fof(f1589,plain,
    ! [X0] :
      ( in(apply(sK2,X0),sK1)
      | ~ in(X0,sF20)
      | in(X0,relation_inverse_image(sK2,sF18))
      | ~ in(X0,relation_dom(sK2)) ),
    inference(subsumption_resolution,[],[f1588,f108]) ).

fof(f1588,plain,
    ! [X0] :
      ( in(apply(sK2,X0),sK1)
      | ~ in(X0,sF20)
      | in(X0,relation_inverse_image(sK2,sF18))
      | ~ in(X0,relation_dom(sK2))
      | ~ relation(sK2) ),
    inference(subsumption_resolution,[],[f1580,f109]) ).

fof(f1580,plain,
    ! [X0] :
      ( in(apply(sK2,X0),sK1)
      | ~ in(X0,sF20)
      | in(X0,relation_inverse_image(sK2,sF18))
      | ~ in(X0,relation_dom(sK2))
      | ~ function(sK2)
      | ~ relation(sK2) ),
    inference(resolution,[],[f875,f170]) ).

fof(f875,plain,
    ! [X1] :
      ( in(apply(sK2,X1),sF18)
      | in(apply(sK2,X1),sK1)
      | ~ in(X1,sF20) ),
    inference(resolution,[],[f803,f404]) ).

fof(f404,plain,
    ! [X10] :
      ( ~ in(X10,sK0)
      | in(X10,sK1)
      | in(X10,sF18) ),
    inference(superposition,[],[f173,f178]) ).

fof(f173,plain,
    ! [X0,X1,X4] :
      ( in(X4,set_difference(X0,X1))
      | in(X4,X1)
      | ~ in(X4,X0) ),
    inference(equality_resolution,[],[f151]) ).

fof(f151,plain,
    ! [X2,X0,X1,X4] :
      ( in(X4,X2)
      | in(X4,X1)
      | ~ in(X4,X0)
      | set_difference(X0,X1) != X2 ),
    inference(cnf_transformation,[],[f91]) ).

fof(f803,plain,
    ! [X1] :
      ( in(apply(sK2,X1),sK0)
      | ~ in(X1,sF20) ),
    inference(subsumption_resolution,[],[f802,f108]) ).

fof(f802,plain,
    ! [X1] :
      ( ~ in(X1,sF20)
      | in(apply(sK2,X1),sK0)
      | ~ relation(sK2) ),
    inference(subsumption_resolution,[],[f798,f109]) ).

fof(f798,plain,
    ! [X1] :
      ( ~ in(X1,sF20)
      | in(apply(sK2,X1),sK0)
      | ~ function(sK2)
      | ~ relation(sK2) ),
    inference(superposition,[],[f171,f180]) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.12  % Problem    : SEU059+1 : TPTP v8.1.2. Bugfixed v4.0.0.
% 0.00/0.14  % Command    : vampire --ignore_missing on --mode portfolio/casc [--schedule casc_hol_2020] -p tptp -om szs -t %d %s
% 0.15/0.35  % Computer : n003.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   : Wed Aug 23 13:05:52 EDT 2023
% 0.15/0.36  % CPUTime    : 
% 0.15/0.36  This is a FOF_THM_RFO_SEQ problem
% 0.15/0.36  Running vampire_casc2023 --mode casc -m 16384 --cores 7 -t 300 /export/starexec/sandbox/tmp/tmp.1MxHVcvs7D/Vampire---4.8_1253
% 0.15/0.36  % (1450)Running in auto input_syntax mode. Trying TPTP
% 0.22/0.41  % (1452)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)
% 0.22/0.42  % (1451)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)
% 0.22/0.42  % (1457)dis+1011_4_add=large:amm=off:sims=off:sac=on:sp=frequency:tgt=ground_413 on Vampire---4 for (413ds/0Mi)
% 0.22/0.42  % (1456)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)
% 0.22/0.42  % (1458)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)
% 0.22/0.42  % (1453)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)
% 0.22/0.42  % (1455)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)
% 0.22/0.52  % (1456)First to succeed.
% 0.22/0.53  % (1456)Refutation found. Thanks to Tanya!
% 0.22/0.53  % SZS status Theorem for Vampire---4
% 0.22/0.53  % SZS output start Proof for Vampire---4
% See solution above
% 0.22/0.53  % (1456)------------------------------
% 0.22/0.53  % (1456)Version: Vampire 4.7 (commit 05ef610bd on 2023-06-21 19:03:17 +0100)
% 0.22/0.53  % (1456)Linked with Z3 4.9.1.0 6ed071b44407cf6623b8d3c0dceb2a8fb7040cee z3-4.8.4-6427-g6ed071b44
% 0.22/0.53  % (1456)Termination reason: Refutation
% 0.22/0.53  
% 0.22/0.53  % (1456)Memory used [KB]: 2558
% 0.22/0.53  % (1456)Time elapsed: 0.104 s
% 0.22/0.53  % (1456)------------------------------
% 0.22/0.53  % (1456)------------------------------
% 0.22/0.53  % (1450)Success in time 0.163 s
% 0.22/0.53  % Vampire---4.8 exiting
%------------------------------------------------------------------------------