TSTP Solution File: SEU177+2 by Vampire-SAT---4.8

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Vampire-SAT---4.8
% Problem  : SEU177+2 : TPTP v8.1.2. Released v3.3.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : vampire --mode casc_sat -m 16384 --cores 7 -t %d %s

% Computer : n010.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 : Tue Apr 30 15:23:15 EDT 2024

% Result   : Theorem 0.16s 0.55s
% Output   : Refutation 0.16s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   21
%            Number of leaves      :   53
% Syntax   : Number of formulae    :  201 (  27 unt;   0 def)
%            Number of atoms       :  679 ( 131 equ)
%            Maximal formula atoms :   14 (   3 avg)
%            Number of connectives :  769 ( 291   ~; 287   |; 116   &)
%                                         (  46 <=>;  29  =>;   0  <=;   0 <~>)
%            Maximal formula depth :   11 (   5 avg)
%            Maximal term depth    :    4 (   1 avg)
%            Number of predicates  :   25 (  23 usr;  15 prp; 0-3 aty)
%            Number of functors    :   25 (  25 usr;   4 con; 0-3 aty)
%            Number of variables   :  374 ( 320   !;  54   ?)

% Comments : 
%------------------------------------------------------------------------------
fof(f8562,plain,
    $false,
    inference(avatar_sat_refutation,[],[f746,f2414,f4148,f4229,f4334,f4367,f7907,f8492,f8561]) ).

fof(f8561,plain,
    spl52_1,
    inference(avatar_contradiction_clause,[],[f8560]) ).

fof(f8560,plain,
    ( $false
    | spl52_1 ),
    inference(subsumption_resolution,[],[f8559,f396]) ).

fof(f396,plain,
    relation(sK12),
    inference(cnf_transformation,[],[f263]) ).

fof(f263,plain,
    ( ( ~ in(sK11,relation_rng(sK12))
      | ~ in(sK10,relation_dom(sK12)) )
    & in(ordered_pair(sK10,sK11),sK12)
    & relation(sK12) ),
    inference(skolemisation,[status(esa),new_symbols(skolem,[sK10,sK11,sK12])],[f156,f262]) ).

fof(f262,plain,
    ( ? [X0,X1,X2] :
        ( ( ~ in(X1,relation_rng(X2))
          | ~ in(X0,relation_dom(X2)) )
        & in(ordered_pair(X0,X1),X2)
        & relation(X2) )
   => ( ( ~ in(sK11,relation_rng(sK12))
        | ~ in(sK10,relation_dom(sK12)) )
      & in(ordered_pair(sK10,sK11),sK12)
      & relation(sK12) ) ),
    introduced(choice_axiom,[]) ).

fof(f156,plain,
    ? [X0,X1,X2] :
      ( ( ~ in(X1,relation_rng(X2))
        | ~ in(X0,relation_dom(X2)) )
      & in(ordered_pair(X0,X1),X2)
      & relation(X2) ),
    inference(flattening,[],[f155]) ).

fof(f155,plain,
    ? [X0,X1,X2] :
      ( ( ~ in(X1,relation_rng(X2))
        | ~ in(X0,relation_dom(X2)) )
      & in(ordered_pair(X0,X1),X2)
      & relation(X2) ),
    inference(ennf_transformation,[],[f95]) ).

fof(f95,negated_conjecture,
    ~ ! [X0,X1,X2] :
        ( relation(X2)
       => ( in(ordered_pair(X0,X1),X2)
         => ( in(X1,relation_rng(X2))
            & in(X0,relation_dom(X2)) ) ) ),
    inference(negated_conjecture,[],[f94]) ).

fof(f94,conjecture,
    ! [X0,X1,X2] :
      ( relation(X2)
     => ( in(ordered_pair(X0,X1),X2)
       => ( in(X1,relation_rng(X2))
          & in(X0,relation_dom(X2)) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t20_relat_1) ).

fof(f8559,plain,
    ( ~ relation(sK12)
    | spl52_1 ),
    inference(subsumption_resolution,[],[f8533,f741]) ).

fof(f741,plain,
    ( ~ in(sK10,relation_dom(sK12))
    | spl52_1 ),
    inference(avatar_component_clause,[],[f739]) ).

fof(f739,plain,
    ( spl52_1
  <=> in(sK10,relation_dom(sK12)) ),
    introduced(avatar_definition,[new_symbols(naming,[spl52_1])]) ).

fof(f8533,plain,
    ( in(sK10,relation_dom(sK12))
    | ~ relation(sK12) ),
    inference(resolution,[],[f647,f397]) ).

fof(f397,plain,
    in(ordered_pair(sK10,sK11),sK12),
    inference(cnf_transformation,[],[f263]) ).

fof(f647,plain,
    ! [X0,X6,X5] :
      ( ~ in(ordered_pair(X5,X6),X0)
      | in(X5,relation_dom(X0))
      | ~ relation(X0) ),
    inference(equality_resolution,[],[f498]) ).

fof(f498,plain,
    ! [X0,X1,X6,X5] :
      ( in(X5,X1)
      | ~ in(ordered_pair(X5,X6),X0)
      | relation_dom(X0) != X1
      | ~ relation(X0) ),
    inference(cnf_transformation,[],[f303]) ).

fof(f303,plain,
    ! [X0] :
      ( ! [X1] :
          ( ( relation_dom(X0) = X1
            | ( ( ! [X3] : ~ in(ordered_pair(sK21(X0,X1),X3),X0)
                | ~ in(sK21(X0,X1),X1) )
              & ( in(ordered_pair(sK21(X0,X1),sK22(X0,X1)),X0)
                | in(sK21(X0,X1),X1) ) ) )
          & ( ! [X5] :
                ( ( in(X5,X1)
                  | ! [X6] : ~ in(ordered_pair(X5,X6),X0) )
                & ( in(ordered_pair(X5,sK23(X0,X5)),X0)
                  | ~ in(X5,X1) ) )
            | relation_dom(X0) != X1 ) )
      | ~ relation(X0) ),
    inference(skolemisation,[status(esa),new_symbols(skolem,[sK21,sK22,sK23])],[f299,f302,f301,f300]) ).

fof(f300,plain,
    ! [X0,X1] :
      ( ? [X2] :
          ( ( ! [X3] : ~ in(ordered_pair(X2,X3),X0)
            | ~ in(X2,X1) )
          & ( ? [X4] : in(ordered_pair(X2,X4),X0)
            | in(X2,X1) ) )
     => ( ( ! [X3] : ~ in(ordered_pair(sK21(X0,X1),X3),X0)
          | ~ in(sK21(X0,X1),X1) )
        & ( ? [X4] : in(ordered_pair(sK21(X0,X1),X4),X0)
          | in(sK21(X0,X1),X1) ) ) ),
    introduced(choice_axiom,[]) ).

fof(f301,plain,
    ! [X0,X1] :
      ( ? [X4] : in(ordered_pair(sK21(X0,X1),X4),X0)
     => in(ordered_pair(sK21(X0,X1),sK22(X0,X1)),X0) ),
    introduced(choice_axiom,[]) ).

fof(f302,plain,
    ! [X0,X5] :
      ( ? [X7] : in(ordered_pair(X5,X7),X0)
     => in(ordered_pair(X5,sK23(X0,X5)),X0) ),
    introduced(choice_axiom,[]) ).

fof(f299,plain,
    ! [X0] :
      ( ! [X1] :
          ( ( relation_dom(X0) = X1
            | ? [X2] :
                ( ( ! [X3] : ~ in(ordered_pair(X2,X3),X0)
                  | ~ in(X2,X1) )
                & ( ? [X4] : in(ordered_pair(X2,X4),X0)
                  | in(X2,X1) ) ) )
          & ( ! [X5] :
                ( ( in(X5,X1)
                  | ! [X6] : ~ in(ordered_pair(X5,X6),X0) )
                & ( ? [X7] : in(ordered_pair(X5,X7),X0)
                  | ~ in(X5,X1) ) )
            | relation_dom(X0) != X1 ) )
      | ~ relation(X0) ),
    inference(rectify,[],[f298]) ).

fof(f298,plain,
    ! [X0] :
      ( ! [X1] :
          ( ( relation_dom(X0) = X1
            | ? [X2] :
                ( ( ! [X3] : ~ in(ordered_pair(X2,X3),X0)
                  | ~ in(X2,X1) )
                & ( ? [X3] : in(ordered_pair(X2,X3),X0)
                  | in(X2,X1) ) ) )
          & ( ! [X2] :
                ( ( in(X2,X1)
                  | ! [X3] : ~ in(ordered_pair(X2,X3),X0) )
                & ( ? [X3] : in(ordered_pair(X2,X3),X0)
                  | ~ in(X2,X1) ) )
            | relation_dom(X0) != X1 ) )
      | ~ relation(X0) ),
    inference(nnf_transformation,[],[f207]) ).

fof(f207,plain,
    ! [X0] :
      ( ! [X1] :
          ( relation_dom(X0) = X1
        <=> ! [X2] :
              ( in(X2,X1)
            <=> ? [X3] : in(ordered_pair(X2,X3),X0) ) )
      | ~ relation(X0) ),
    inference(ennf_transformation,[],[f17]) ).

fof(f17,axiom,
    ! [X0] :
      ( relation(X0)
     => ! [X1] :
          ( relation_dom(X0) = X1
        <=> ! [X2] :
              ( in(X2,X1)
            <=> ? [X3] : in(ordered_pair(X2,X3),X0) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',d4_relat_1) ).

fof(f8492,plain,
    spl52_2,
    inference(avatar_contradiction_clause,[],[f8491]) ).

fof(f8491,plain,
    ( $false
    | spl52_2 ),
    inference(subsumption_resolution,[],[f8490,f396]) ).

fof(f8490,plain,
    ( ~ relation(sK12)
    | spl52_2 ),
    inference(subsumption_resolution,[],[f8464,f745]) ).

fof(f745,plain,
    ( ~ in(sK11,relation_rng(sK12))
    | spl52_2 ),
    inference(avatar_component_clause,[],[f743]) ).

fof(f743,plain,
    ( spl52_2
  <=> in(sK11,relation_rng(sK12)) ),
    introduced(avatar_definition,[new_symbols(naming,[spl52_2])]) ).

fof(f8464,plain,
    ( in(sK11,relation_rng(sK12))
    | ~ relation(sK12) ),
    inference(resolution,[],[f645,f397]) ).

fof(f645,plain,
    ! [X0,X6,X5] :
      ( ~ in(ordered_pair(X6,X5),X0)
      | in(X5,relation_rng(X0))
      | ~ relation(X0) ),
    inference(equality_resolution,[],[f494]) ).

fof(f494,plain,
    ! [X0,X1,X6,X5] :
      ( in(X5,X1)
      | ~ in(ordered_pair(X6,X5),X0)
      | relation_rng(X0) != X1
      | ~ relation(X0) ),
    inference(cnf_transformation,[],[f297]) ).

fof(f297,plain,
    ! [X0] :
      ( ! [X1] :
          ( ( relation_rng(X0) = X1
            | ( ( ! [X3] : ~ in(ordered_pair(X3,sK18(X0,X1)),X0)
                | ~ in(sK18(X0,X1),X1) )
              & ( in(ordered_pair(sK19(X0,X1),sK18(X0,X1)),X0)
                | in(sK18(X0,X1),X1) ) ) )
          & ( ! [X5] :
                ( ( in(X5,X1)
                  | ! [X6] : ~ in(ordered_pair(X6,X5),X0) )
                & ( in(ordered_pair(sK20(X0,X5),X5),X0)
                  | ~ in(X5,X1) ) )
            | relation_rng(X0) != X1 ) )
      | ~ relation(X0) ),
    inference(skolemisation,[status(esa),new_symbols(skolem,[sK18,sK19,sK20])],[f293,f296,f295,f294]) ).

fof(f294,plain,
    ! [X0,X1] :
      ( ? [X2] :
          ( ( ! [X3] : ~ in(ordered_pair(X3,X2),X0)
            | ~ in(X2,X1) )
          & ( ? [X4] : in(ordered_pair(X4,X2),X0)
            | in(X2,X1) ) )
     => ( ( ! [X3] : ~ in(ordered_pair(X3,sK18(X0,X1)),X0)
          | ~ in(sK18(X0,X1),X1) )
        & ( ? [X4] : in(ordered_pair(X4,sK18(X0,X1)),X0)
          | in(sK18(X0,X1),X1) ) ) ),
    introduced(choice_axiom,[]) ).

fof(f295,plain,
    ! [X0,X1] :
      ( ? [X4] : in(ordered_pair(X4,sK18(X0,X1)),X0)
     => in(ordered_pair(sK19(X0,X1),sK18(X0,X1)),X0) ),
    introduced(choice_axiom,[]) ).

fof(f296,plain,
    ! [X0,X5] :
      ( ? [X7] : in(ordered_pair(X7,X5),X0)
     => in(ordered_pair(sK20(X0,X5),X5),X0) ),
    introduced(choice_axiom,[]) ).

fof(f293,plain,
    ! [X0] :
      ( ! [X1] :
          ( ( relation_rng(X0) = X1
            | ? [X2] :
                ( ( ! [X3] : ~ in(ordered_pair(X3,X2),X0)
                  | ~ in(X2,X1) )
                & ( ? [X4] : in(ordered_pair(X4,X2),X0)
                  | in(X2,X1) ) ) )
          & ( ! [X5] :
                ( ( in(X5,X1)
                  | ! [X6] : ~ in(ordered_pair(X6,X5),X0) )
                & ( ? [X7] : in(ordered_pair(X7,X5),X0)
                  | ~ in(X5,X1) ) )
            | relation_rng(X0) != X1 ) )
      | ~ relation(X0) ),
    inference(rectify,[],[f292]) ).

fof(f292,plain,
    ! [X0] :
      ( ! [X1] :
          ( ( relation_rng(X0) = X1
            | ? [X2] :
                ( ( ! [X3] : ~ in(ordered_pair(X3,X2),X0)
                  | ~ in(X2,X1) )
                & ( ? [X3] : in(ordered_pair(X3,X2),X0)
                  | in(X2,X1) ) ) )
          & ( ! [X2] :
                ( ( in(X2,X1)
                  | ! [X3] : ~ in(ordered_pair(X3,X2),X0) )
                & ( ? [X3] : in(ordered_pair(X3,X2),X0)
                  | ~ in(X2,X1) ) )
            | relation_rng(X0) != X1 ) )
      | ~ relation(X0) ),
    inference(nnf_transformation,[],[f206]) ).

fof(f206,plain,
    ! [X0] :
      ( ! [X1] :
          ( relation_rng(X0) = X1
        <=> ! [X2] :
              ( in(X2,X1)
            <=> ? [X3] : in(ordered_pair(X3,X2),X0) ) )
      | ~ relation(X0) ),
    inference(ennf_transformation,[],[f21]) ).

fof(f21,axiom,
    ! [X0] :
      ( relation(X0)
     => ! [X1] :
          ( relation_rng(X0) = X1
        <=> ! [X2] :
              ( in(X2,X1)
            <=> ? [X3] : in(ordered_pair(X3,X2),X0) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',d5_relat_1) ).

fof(f7907,plain,
    ( ~ spl52_13
    | ~ spl52_14 ),
    inference(avatar_split_clause,[],[f7897,f7904,f7900]) ).

fof(f7900,plain,
    ( spl52_13
  <=> subset(singleton(sK10),empty_set) ),
    introduced(avatar_definition,[new_symbols(naming,[spl52_13])]) ).

fof(f7904,plain,
    ( spl52_14
  <=> in(empty_set,singleton(sK12)) ),
    introduced(avatar_definition,[new_symbols(naming,[spl52_14])]) ).

fof(f7897,plain,
    ( ~ in(empty_set,singleton(sK12))
    | ~ subset(singleton(sK10),empty_set) ),
    inference(resolution,[],[f7760,f937]) ).

fof(f937,plain,
    ! [X0] :
      ( in(X0,singleton(empty_set))
      | ~ subset(X0,empty_set) ),
    inference(superposition,[],[f662,f399]) ).

fof(f399,plain,
    powerset(empty_set) = singleton(empty_set),
    inference(cnf_transformation,[],[f93]) ).

fof(f93,axiom,
    powerset(empty_set) = singleton(empty_set),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t1_zfmisc_1) ).

fof(f662,plain,
    ! [X3,X0] :
      ( in(X3,powerset(X0))
      | ~ subset(X3,X0) ),
    inference(equality_resolution,[],[f584]) ).

fof(f584,plain,
    ! [X3,X0,X1] :
      ( in(X3,X1)
      | ~ subset(X3,X0)
      | powerset(X0) != X1 ),
    inference(cnf_transformation,[],[f357]) ).

fof(f357,plain,
    ! [X0,X1] :
      ( ( powerset(X0) = X1
        | ( ( ~ subset(sK39(X0,X1),X0)
            | ~ in(sK39(X0,X1),X1) )
          & ( subset(sK39(X0,X1),X0)
            | in(sK39(X0,X1),X1) ) ) )
      & ( ! [X3] :
            ( ( in(X3,X1)
              | ~ subset(X3,X0) )
            & ( subset(X3,X0)
              | ~ in(X3,X1) ) )
        | powerset(X0) != X1 ) ),
    inference(skolemisation,[status(esa),new_symbols(skolem,[sK39])],[f355,f356]) ).

fof(f356,plain,
    ! [X0,X1] :
      ( ? [X2] :
          ( ( ~ subset(X2,X0)
            | ~ in(X2,X1) )
          & ( subset(X2,X0)
            | in(X2,X1) ) )
     => ( ( ~ subset(sK39(X0,X1),X0)
          | ~ in(sK39(X0,X1),X1) )
        & ( subset(sK39(X0,X1),X0)
          | in(sK39(X0,X1),X1) ) ) ),
    introduced(choice_axiom,[]) ).

fof(f355,plain,
    ! [X0,X1] :
      ( ( powerset(X0) = X1
        | ? [X2] :
            ( ( ~ subset(X2,X0)
              | ~ in(X2,X1) )
            & ( subset(X2,X0)
              | in(X2,X1) ) ) )
      & ( ! [X3] :
            ( ( in(X3,X1)
              | ~ subset(X3,X0) )
            & ( subset(X3,X0)
              | ~ in(X3,X1) ) )
        | powerset(X0) != X1 ) ),
    inference(rectify,[],[f354]) ).

fof(f354,plain,
    ! [X0,X1] :
      ( ( powerset(X0) = X1
        | ? [X2] :
            ( ( ~ subset(X2,X0)
              | ~ in(X2,X1) )
            & ( subset(X2,X0)
              | in(X2,X1) ) ) )
      & ( ! [X2] :
            ( ( in(X2,X1)
              | ~ subset(X2,X0) )
            & ( subset(X2,X0)
              | ~ in(X2,X1) ) )
        | powerset(X0) != X1 ) ),
    inference(nnf_transformation,[],[f10]) ).

fof(f10,axiom,
    ! [X0,X1] :
      ( powerset(X0) = X1
    <=> ! [X2] :
          ( in(X2,X1)
        <=> subset(X2,X0) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',d1_zfmisc_1) ).

fof(f7760,plain,
    ! [X0] :
      ( ~ in(singleton(sK10),singleton(X0))
      | ~ in(X0,singleton(sK12)) ),
    inference(resolution,[],[f7743,f446]) ).

fof(f446,plain,
    ! [X0,X1] :
      ( subset(singleton(X0),X1)
      | ~ in(X0,X1) ),
    inference(cnf_transformation,[],[f279]) ).

fof(f279,plain,
    ! [X0,X1] :
      ( ( subset(singleton(X0),X1)
        | ~ in(X0,X1) )
      & ( in(X0,X1)
        | ~ subset(singleton(X0),X1) ) ),
    inference(nnf_transformation,[],[f106]) ).

fof(f106,axiom,
    ! [X0,X1] :
      ( subset(singleton(X0),X1)
    <=> in(X0,X1) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t37_zfmisc_1) ).

fof(f7743,plain,
    ! [X0] :
      ( ~ subset(X0,singleton(sK12))
      | ~ in(singleton(sK10),X0) ),
    inference(resolution,[],[f7506,f456]) ).

fof(f456,plain,
    ! [X0,X1] :
      ( ~ disjoint(singleton(X0),X1)
      | ~ in(X0,X1) ),
    inference(cnf_transformation,[],[f183]) ).

fof(f183,plain,
    ! [X0,X1] :
      ( ~ in(X0,X1)
      | ~ disjoint(singleton(X0),X1) ),
    inference(ennf_transformation,[],[f62]) ).

fof(f62,axiom,
    ! [X0,X1] :
      ~ ( in(X0,X1)
        & disjoint(singleton(X0),X1) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',l25_zfmisc_1) ).

fof(f7506,plain,
    ! [X0] :
      ( disjoint(singleton(singleton(sK10)),X0)
      | ~ subset(X0,singleton(sK12)) ),
    inference(resolution,[],[f7307,f539]) ).

fof(f539,plain,
    ! [X0,X1] :
      ( ~ disjoint(X0,X1)
      | disjoint(X1,X0) ),
    inference(cnf_transformation,[],[f216]) ).

fof(f216,plain,
    ! [X0,X1] :
      ( disjoint(X1,X0)
      | ~ disjoint(X0,X1) ),
    inference(ennf_transformation,[],[f81]) ).

fof(f81,axiom,
    ! [X0,X1] :
      ( disjoint(X0,X1)
     => disjoint(X1,X0) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',symmetry_r1_xboole_0) ).

fof(f7307,plain,
    ! [X0] :
      ( disjoint(X0,singleton(singleton(sK10)))
      | ~ subset(X0,singleton(sK12)) ),
    inference(resolution,[],[f7303,f465]) ).

fof(f465,plain,
    ! [X2,X0,X1] :
      ( ~ disjoint(X1,X2)
      | disjoint(X0,X2)
      | ~ subset(X0,X1) ),
    inference(cnf_transformation,[],[f194]) ).

fof(f194,plain,
    ! [X0,X1,X2] :
      ( disjoint(X0,X2)
      | ~ disjoint(X1,X2)
      | ~ subset(X0,X1) ),
    inference(flattening,[],[f193]) ).

fof(f193,plain,
    ! [X0,X1,X2] :
      ( disjoint(X0,X2)
      | ~ disjoint(X1,X2)
      | ~ subset(X0,X1) ),
    inference(ennf_transformation,[],[f129]) ).

fof(f129,axiom,
    ! [X0,X1,X2] :
      ( ( disjoint(X1,X2)
        & subset(X0,X1) )
     => disjoint(X0,X2) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t63_xboole_1) ).

fof(f7303,plain,
    disjoint(singleton(sK12),singleton(singleton(sK10))),
    inference(trivial_inequality_removal,[],[f7281]) ).

fof(f7281,plain,
    ( singleton(sK12) != singleton(sK12)
    | disjoint(singleton(sK12),singleton(singleton(sK10))) ),
    inference(superposition,[],[f438,f7041]) ).

fof(f7041,plain,
    singleton(sK12) = set_difference(singleton(sK12),singleton(singleton(sK10))),
    inference(resolution,[],[f7031,f454]) ).

fof(f454,plain,
    ! [X0,X1] :
      ( in(X1,X0)
      | set_difference(X0,singleton(X1)) = X0 ),
    inference(cnf_transformation,[],[f283]) ).

fof(f283,plain,
    ! [X0,X1] :
      ( ( set_difference(X0,singleton(X1)) = X0
        | in(X1,X0) )
      & ( ~ in(X1,X0)
        | set_difference(X0,singleton(X1)) != X0 ) ),
    inference(nnf_transformation,[],[f130]) ).

fof(f130,axiom,
    ! [X0,X1] :
      ( set_difference(X0,singleton(X1)) = X0
    <=> ~ in(X1,X0) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t65_zfmisc_1) ).

fof(f7031,plain,
    ~ in(singleton(sK10),singleton(sK12)),
    inference(resolution,[],[f6732,f5557]) ).

fof(f5557,plain,
    ! [X0,X1] : in(singleton(X0),ordered_pair(X0,X1)),
    inference(superposition,[],[f973,f520]) ).

fof(f520,plain,
    ! [X0,X1] : ordered_pair(X0,X1) = unordered_pair(unordered_pair(X0,X1),singleton(X0)),
    inference(cnf_transformation,[],[f23]) ).

fof(f23,axiom,
    ! [X0,X1] : ordered_pair(X0,X1) = unordered_pair(unordered_pair(X0,X1),singleton(X0)),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',d5_tarski) ).

fof(f973,plain,
    ! [X0,X1] : in(X0,unordered_pair(X1,X0)),
    inference(resolution,[],[f666,f668]) ).

fof(f668,plain,
    ! [X0,X1] : sP6(X1,X0,unordered_pair(X0,X1)),
    inference(equality_resolution,[],[f610]) ).

fof(f610,plain,
    ! [X2,X0,X1] :
      ( sP6(X1,X0,X2)
      | unordered_pair(X0,X1) != X2 ),
    inference(cnf_transformation,[],[f371]) ).

fof(f371,plain,
    ! [X0,X1,X2] :
      ( ( unordered_pair(X0,X1) = X2
        | ~ sP6(X1,X0,X2) )
      & ( sP6(X1,X0,X2)
        | unordered_pair(X0,X1) != X2 ) ),
    inference(nnf_transformation,[],[f255]) ).

fof(f255,plain,
    ! [X0,X1,X2] :
      ( unordered_pair(X0,X1) = X2
    <=> sP6(X1,X0,X2) ),
    inference(definition_folding,[],[f12,f254]) ).

fof(f254,plain,
    ! [X1,X0,X2] :
      ( sP6(X1,X0,X2)
    <=> ! [X3] :
          ( in(X3,X2)
        <=> ( X1 = X3
            | X0 = X3 ) ) ),
    introduced(predicate_definition_introduction,[new_symbols(naming,[sP6])]) ).

fof(f12,axiom,
    ! [X0,X1,X2] :
      ( unordered_pair(X0,X1) = X2
    <=> ! [X3] :
          ( in(X3,X2)
        <=> ( X1 = X3
            | X0 = X3 ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',d2_tarski) ).

fof(f666,plain,
    ! [X2,X1,X4] :
      ( ~ sP6(X4,X1,X2)
      | in(X4,X2) ),
    inference(equality_resolution,[],[f606]) ).

fof(f606,plain,
    ! [X2,X0,X1,X4] :
      ( in(X4,X2)
      | X0 != X4
      | ~ sP6(X0,X1,X2) ),
    inference(cnf_transformation,[],[f370]) ).

fof(f370,plain,
    ! [X0,X1,X2] :
      ( ( sP6(X0,X1,X2)
        | ( ( ( sK45(X0,X1,X2) != X0
              & sK45(X0,X1,X2) != X1 )
            | ~ in(sK45(X0,X1,X2),X2) )
          & ( sK45(X0,X1,X2) = X0
            | sK45(X0,X1,X2) = X1
            | in(sK45(X0,X1,X2),X2) ) ) )
      & ( ! [X4] :
            ( ( in(X4,X2)
              | ( X0 != X4
                & X1 != X4 ) )
            & ( X0 = X4
              | X1 = X4
              | ~ in(X4,X2) ) )
        | ~ sP6(X0,X1,X2) ) ),
    inference(skolemisation,[status(esa),new_symbols(skolem,[sK45])],[f368,f369]) ).

fof(f369,plain,
    ! [X0,X1,X2] :
      ( ? [X3] :
          ( ( ( X0 != X3
              & X1 != X3 )
            | ~ in(X3,X2) )
          & ( X0 = X3
            | X1 = X3
            | in(X3,X2) ) )
     => ( ( ( sK45(X0,X1,X2) != X0
            & sK45(X0,X1,X2) != X1 )
          | ~ in(sK45(X0,X1,X2),X2) )
        & ( sK45(X0,X1,X2) = X0
          | sK45(X0,X1,X2) = X1
          | in(sK45(X0,X1,X2),X2) ) ) ),
    introduced(choice_axiom,[]) ).

fof(f368,plain,
    ! [X0,X1,X2] :
      ( ( sP6(X0,X1,X2)
        | ? [X3] :
            ( ( ( X0 != X3
                & X1 != X3 )
              | ~ in(X3,X2) )
            & ( X0 = X3
              | X1 = X3
              | in(X3,X2) ) ) )
      & ( ! [X4] :
            ( ( in(X4,X2)
              | ( X0 != X4
                & X1 != X4 ) )
            & ( X0 = X4
              | X1 = X4
              | ~ in(X4,X2) ) )
        | ~ sP6(X0,X1,X2) ) ),
    inference(rectify,[],[f367]) ).

fof(f367,plain,
    ! [X1,X0,X2] :
      ( ( sP6(X1,X0,X2)
        | ? [X3] :
            ( ( ( X1 != X3
                & X0 != X3 )
              | ~ in(X3,X2) )
            & ( X1 = X3
              | X0 = X3
              | in(X3,X2) ) ) )
      & ( ! [X3] :
            ( ( in(X3,X2)
              | ( X1 != X3
                & X0 != X3 ) )
            & ( X1 = X3
              | X0 = X3
              | ~ in(X3,X2) ) )
        | ~ sP6(X1,X0,X2) ) ),
    inference(flattening,[],[f366]) ).

fof(f366,plain,
    ! [X1,X0,X2] :
      ( ( sP6(X1,X0,X2)
        | ? [X3] :
            ( ( ( X1 != X3
                & X0 != X3 )
              | ~ in(X3,X2) )
            & ( X1 = X3
              | X0 = X3
              | in(X3,X2) ) ) )
      & ( ! [X3] :
            ( ( in(X3,X2)
              | ( X1 != X3
                & X0 != X3 ) )
            & ( X1 = X3
              | X0 = X3
              | ~ in(X3,X2) ) )
        | ~ sP6(X1,X0,X2) ) ),
    inference(nnf_transformation,[],[f254]) ).

fof(f6732,plain,
    ! [X0] :
      ( ~ in(X0,ordered_pair(sK10,sK11))
      | ~ in(X0,singleton(sK12)) ),
    inference(resolution,[],[f6727,f419]) ).

fof(f419,plain,
    ! [X2,X0,X1] :
      ( ~ disjoint(X0,X1)
      | ~ in(X2,X1)
      | ~ in(X2,X0) ),
    inference(cnf_transformation,[],[f270]) ).

fof(f270,plain,
    ! [X0,X1] :
      ( ( ~ disjoint(X0,X1)
        | ! [X2] :
            ( ~ in(X2,X1)
            | ~ in(X2,X0) ) )
      & ( ( in(sK15(X0,X1),X1)
          & in(sK15(X0,X1),X0) )
        | disjoint(X0,X1) ) ),
    inference(skolemisation,[status(esa),new_symbols(skolem,[sK15])],[f163,f269]) ).

fof(f269,plain,
    ! [X0,X1] :
      ( ? [X3] :
          ( in(X3,X1)
          & in(X3,X0) )
     => ( in(sK15(X0,X1),X1)
        & in(sK15(X0,X1),X0) ) ),
    introduced(choice_axiom,[]) ).

fof(f163,plain,
    ! [X0,X1] :
      ( ( ~ disjoint(X0,X1)
        | ! [X2] :
            ( ~ in(X2,X1)
            | ~ in(X2,X0) ) )
      & ( ? [X3] :
            ( in(X3,X1)
            & in(X3,X0) )
        | disjoint(X0,X1) ) ),
    inference(ennf_transformation,[],[f146]) ).

fof(f146,plain,
    ! [X0,X1] :
      ( ~ ( disjoint(X0,X1)
          & ? [X2] :
              ( in(X2,X1)
              & in(X2,X0) ) )
      & ~ ( ! [X3] :
              ~ ( in(X3,X1)
                & in(X3,X0) )
          & ~ disjoint(X0,X1) ) ),
    inference(rectify,[],[f112]) ).

fof(f112,axiom,
    ! [X0,X1] :
      ( ~ ( disjoint(X0,X1)
          & ? [X2] :
              ( in(X2,X1)
              & in(X2,X0) ) )
      & ~ ( ! [X2] :
              ~ ( in(X2,X1)
                & in(X2,X0) )
          & ~ disjoint(X0,X1) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t3_xboole_0) ).

fof(f6727,plain,
    disjoint(ordered_pair(sK10,sK11),singleton(sK12)),
    inference(trivial_inequality_removal,[],[f6705]) ).

fof(f6705,plain,
    ( ordered_pair(sK10,sK11) != ordered_pair(sK10,sK11)
    | disjoint(ordered_pair(sK10,sK11),singleton(sK12)) ),
    inference(superposition,[],[f438,f3449]) ).

fof(f3449,plain,
    ordered_pair(sK10,sK11) = set_difference(ordered_pair(sK10,sK11),singleton(sK12)),
    inference(resolution,[],[f454,f726]) ).

fof(f726,plain,
    ~ in(sK12,ordered_pair(sK10,sK11)),
    inference(resolution,[],[f541,f397]) ).

fof(f541,plain,
    ! [X0,X1] :
      ( ~ in(X1,X0)
      | ~ in(X0,X1) ),
    inference(cnf_transformation,[],[f219]) ).

fof(f219,plain,
    ! [X0,X1] :
      ( ~ in(X1,X0)
      | ~ in(X0,X1) ),
    inference(ennf_transformation,[],[f1]) ).

fof(f1,axiom,
    ! [X0,X1] :
      ( in(X0,X1)
     => ~ in(X1,X0) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',antisymmetry_r2_hidden) ).

fof(f438,plain,
    ! [X0,X1] :
      ( set_difference(X0,X1) != X0
      | disjoint(X0,X1) ),
    inference(cnf_transformation,[],[f274]) ).

fof(f274,plain,
    ! [X0,X1] :
      ( ( disjoint(X0,X1)
        | set_difference(X0,X1) != X0 )
      & ( set_difference(X0,X1) = X0
        | ~ disjoint(X0,X1) ) ),
    inference(nnf_transformation,[],[f136]) ).

fof(f136,axiom,
    ! [X0,X1] :
      ( disjoint(X0,X1)
    <=> set_difference(X0,X1) = X0 ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t83_xboole_1) ).

fof(f4367,plain,
    ( ~ spl52_11
    | ~ spl52_12
    | spl52_2 ),
    inference(avatar_split_clause,[],[f4356,f743,f4364,f4360]) ).

fof(f4360,plain,
    ( spl52_11
  <=> empty(sK11) ),
    introduced(avatar_definition,[new_symbols(naming,[spl52_11])]) ).

fof(f4364,plain,
    ( spl52_12
  <=> in(empty_set,relation_rng(sK12)) ),
    introduced(avatar_definition,[new_symbols(naming,[spl52_12])]) ).

fof(f4356,plain,
    ( ~ in(empty_set,relation_rng(sK12))
    | ~ empty(sK11)
    | spl52_2 ),
    inference(resolution,[],[f4092,f3047]) ).

fof(f3047,plain,
    ! [X0] :
      ( in(X0,singleton(empty_set))
      | ~ empty(X0) ),
    inference(subsumption_resolution,[],[f3045,f483]) ).

fof(f483,plain,
    ! [X0] : ~ empty(singleton(X0)),
    inference(cnf_transformation,[],[f51]) ).

fof(f51,axiom,
    ! [X0] : ~ empty(singleton(X0)),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',fc2_subset_1) ).

fof(f3045,plain,
    ! [X0] :
      ( ~ empty(X0)
      | in(X0,singleton(empty_set))
      | empty(singleton(empty_set)) ),
    inference(resolution,[],[f3042,f521]) ).

fof(f521,plain,
    ! [X0,X1] :
      ( ~ element(X1,X0)
      | in(X1,X0)
      | empty(X0) ),
    inference(cnf_transformation,[],[f316]) ).

fof(f316,plain,
    ! [X0,X1] :
      ( ( ( ( element(X1,X0)
            | ~ empty(X1) )
          & ( empty(X1)
            | ~ element(X1,X0) ) )
        | ~ empty(X0) )
      & ( ( ( element(X1,X0)
            | ~ in(X1,X0) )
          & ( in(X1,X0)
            | ~ element(X1,X0) ) )
        | empty(X0) ) ),
    inference(nnf_transformation,[],[f211]) ).

fof(f211,plain,
    ! [X0,X1] :
      ( ( ( element(X1,X0)
        <=> empty(X1) )
        | ~ empty(X0) )
      & ( ( element(X1,X0)
        <=> in(X1,X0) )
        | empty(X0) ) ),
    inference(ennf_transformation,[],[f11]) ).

fof(f11,axiom,
    ! [X0,X1] :
      ( ( empty(X0)
       => ( element(X1,X0)
        <=> empty(X1) ) )
      & ( ~ empty(X0)
       => ( element(X1,X0)
        <=> in(X1,X0) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',d2_subset_1) ).

fof(f3042,plain,
    ! [X0] :
      ( element(X0,singleton(empty_set))
      | ~ empty(X0) ),
    inference(superposition,[],[f3030,f399]) ).

fof(f3030,plain,
    ! [X0,X1] :
      ( element(X0,powerset(X1))
      | ~ empty(X0) ),
    inference(resolution,[],[f435,f590]) ).

fof(f590,plain,
    ! [X0,X1] :
      ( ~ in(X0,X1)
      | ~ empty(X1) ),
    inference(cnf_transformation,[],[f236]) ).

fof(f236,plain,
    ! [X0,X1] :
      ( ~ empty(X1)
      | ~ in(X0,X1) ),
    inference(ennf_transformation,[],[f134]) ).

fof(f134,axiom,
    ! [X0,X1] :
      ~ ( empty(X1)
        & in(X0,X1) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t7_boole) ).

fof(f435,plain,
    ! [X0,X1] :
      ( in(sK16(X0,X1),X0)
      | element(X0,powerset(X1)) ),
    inference(cnf_transformation,[],[f273]) ).

fof(f273,plain,
    ! [X0,X1] :
      ( element(X0,powerset(X1))
      | ( ~ in(sK16(X0,X1),X1)
        & in(sK16(X0,X1),X0) ) ),
    inference(skolemisation,[status(esa),new_symbols(skolem,[sK16])],[f181,f272]) ).

fof(f272,plain,
    ! [X0,X1] :
      ( ? [X2] :
          ( ~ in(X2,X1)
          & in(X2,X0) )
     => ( ~ in(sK16(X0,X1),X1)
        & in(sK16(X0,X1),X0) ) ),
    introduced(choice_axiom,[]) ).

fof(f181,plain,
    ! [X0,X1] :
      ( element(X0,powerset(X1))
      | ? [X2] :
          ( ~ in(X2,X1)
          & in(X2,X0) ) ),
    inference(ennf_transformation,[],[f71]) ).

fof(f71,axiom,
    ! [X0,X1] :
      ( ! [X2] :
          ( in(X2,X0)
         => in(X2,X1) )
     => element(X0,powerset(X1)) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',l71_subset_1) ).

fof(f4092,plain,
    ( ! [X0] :
        ( ~ in(sK11,singleton(X0))
        | ~ in(X0,relation_rng(sK12)) )
    | spl52_2 ),
    inference(resolution,[],[f4078,f446]) ).

fof(f4078,plain,
    ( ! [X0] :
        ( ~ subset(X0,relation_rng(sK12))
        | ~ in(sK11,X0) )
    | spl52_2 ),
    inference(resolution,[],[f3938,f456]) ).

fof(f3938,plain,
    ( ! [X0] :
        ( disjoint(singleton(sK11),X0)
        | ~ subset(X0,relation_rng(sK12)) )
    | spl52_2 ),
    inference(resolution,[],[f3747,f539]) ).

fof(f3747,plain,
    ( ! [X0] :
        ( disjoint(X0,singleton(sK11))
        | ~ subset(X0,relation_rng(sK12)) )
    | spl52_2 ),
    inference(resolution,[],[f465,f3586]) ).

fof(f3586,plain,
    ( disjoint(relation_rng(sK12),singleton(sK11))
    | spl52_2 ),
    inference(trivial_inequality_removal,[],[f3567]) ).

fof(f3567,plain,
    ( relation_rng(sK12) != relation_rng(sK12)
    | disjoint(relation_rng(sK12),singleton(sK11))
    | spl52_2 ),
    inference(superposition,[],[f438,f3448]) ).

fof(f3448,plain,
    ( relation_rng(sK12) = set_difference(relation_rng(sK12),singleton(sK11))
    | spl52_2 ),
    inference(resolution,[],[f454,f745]) ).

fof(f4334,plain,
    ( ~ spl52_9
    | ~ spl52_10
    | spl52_1 ),
    inference(avatar_split_clause,[],[f4323,f739,f4331,f4327]) ).

fof(f4327,plain,
    ( spl52_9
  <=> empty(sK10) ),
    introduced(avatar_definition,[new_symbols(naming,[spl52_9])]) ).

fof(f4331,plain,
    ( spl52_10
  <=> in(empty_set,relation_dom(sK12)) ),
    introduced(avatar_definition,[new_symbols(naming,[spl52_10])]) ).

fof(f4323,plain,
    ( ~ in(empty_set,relation_dom(sK12))
    | ~ empty(sK10)
    | spl52_1 ),
    inference(resolution,[],[f4014,f3047]) ).

fof(f4014,plain,
    ( ! [X0] :
        ( ~ in(sK10,singleton(X0))
        | ~ in(X0,relation_dom(sK12)) )
    | spl52_1 ),
    inference(resolution,[],[f4000,f446]) ).

fof(f4000,plain,
    ( ! [X0] :
        ( ~ subset(X0,relation_dom(sK12))
        | ~ in(sK10,X0) )
    | spl52_1 ),
    inference(resolution,[],[f3878,f456]) ).

fof(f3878,plain,
    ( ! [X0] :
        ( disjoint(singleton(sK10),X0)
        | ~ subset(X0,relation_dom(sK12)) )
    | spl52_1 ),
    inference(resolution,[],[f3746,f539]) ).

fof(f3746,plain,
    ( ! [X0] :
        ( disjoint(X0,singleton(sK10))
        | ~ subset(X0,relation_dom(sK12)) )
    | spl52_1 ),
    inference(resolution,[],[f465,f3479]) ).

fof(f3479,plain,
    ( disjoint(relation_dom(sK12),singleton(sK10))
    | spl52_1 ),
    inference(trivial_inequality_removal,[],[f3460]) ).

fof(f3460,plain,
    ( relation_dom(sK12) != relation_dom(sK12)
    | disjoint(relation_dom(sK12),singleton(sK10))
    | spl52_1 ),
    inference(superposition,[],[f438,f3447]) ).

fof(f3447,plain,
    ( relation_dom(sK12) = set_difference(relation_dom(sK12),singleton(sK10))
    | spl52_1 ),
    inference(resolution,[],[f454,f741]) ).

fof(f4229,plain,
    ( spl52_7
    | ~ spl52_8
    | spl52_2 ),
    inference(avatar_split_clause,[],[f3985,f743,f4226,f4222]) ).

fof(f4222,plain,
    ( spl52_7
  <=> empty(relation_rng(sK12)) ),
    introduced(avatar_definition,[new_symbols(naming,[spl52_7])]) ).

fof(f4226,plain,
    ( spl52_8
  <=> subset(relation_rng(sK12),singleton(sK11)) ),
    introduced(avatar_definition,[new_symbols(naming,[spl52_8])]) ).

fof(f3985,plain,
    ( ~ subset(relation_rng(sK12),singleton(sK11))
    | empty(relation_rng(sK12))
    | spl52_2 ),
    inference(resolution,[],[f3745,f2027]) ).

fof(f2027,plain,
    ! [X0] :
      ( ~ disjoint(X0,X0)
      | empty(X0) ),
    inference(superposition,[],[f1992,f515]) ).

fof(f515,plain,
    ! [X0] : set_intersection2(X0,X0) = X0,
    inference(cnf_transformation,[],[f150]) ).

fof(f150,plain,
    ! [X0] : set_intersection2(X0,X0) = X0,
    inference(rectify,[],[f56]) ).

fof(f56,axiom,
    ! [X0,X1] : set_intersection2(X0,X0) = X0,
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',idempotence_k3_xboole_0) ).

fof(f1992,plain,
    ! [X0,X1] :
      ( empty(set_intersection2(X0,X1))
      | ~ disjoint(X0,X1) ),
    inference(resolution,[],[f1967,f416]) ).

fof(f416,plain,
    ! [X2,X0,X1] :
      ( ~ in(X2,set_intersection2(X0,X1))
      | ~ disjoint(X0,X1) ),
    inference(cnf_transformation,[],[f268]) ).

fof(f268,plain,
    ! [X0,X1] :
      ( ( ~ disjoint(X0,X1)
        | ! [X2] : ~ in(X2,set_intersection2(X0,X1)) )
      & ( in(sK14(X0,X1),set_intersection2(X0,X1))
        | disjoint(X0,X1) ) ),
    inference(skolemisation,[status(esa),new_symbols(skolem,[sK14])],[f162,f267]) ).

fof(f267,plain,
    ! [X0,X1] :
      ( ? [X3] : in(X3,set_intersection2(X0,X1))
     => in(sK14(X0,X1),set_intersection2(X0,X1)) ),
    introduced(choice_axiom,[]) ).

fof(f162,plain,
    ! [X0,X1] :
      ( ( ~ disjoint(X0,X1)
        | ! [X2] : ~ in(X2,set_intersection2(X0,X1)) )
      & ( ? [X3] : in(X3,set_intersection2(X0,X1))
        | disjoint(X0,X1) ) ),
    inference(ennf_transformation,[],[f145]) ).

fof(f145,plain,
    ! [X0,X1] :
      ( ~ ( disjoint(X0,X1)
          & ? [X2] : in(X2,set_intersection2(X0,X1)) )
      & ~ ( ! [X3] : ~ in(X3,set_intersection2(X0,X1))
          & ~ disjoint(X0,X1) ) ),
    inference(rectify,[],[f124]) ).

fof(f124,axiom,
    ! [X0,X1] :
      ( ~ ( disjoint(X0,X1)
          & ? [X2] : in(X2,set_intersection2(X0,X1)) )
      & ~ ( ! [X2] : ~ in(X2,set_intersection2(X0,X1))
          & ~ disjoint(X0,X1) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t4_xboole_0) ).

fof(f1967,plain,
    ! [X0] :
      ( in(sK25(X0),X0)
      | empty(X0) ),
    inference(resolution,[],[f521,f504]) ).

fof(f504,plain,
    ! [X0] : element(sK25(X0),X0),
    inference(cnf_transformation,[],[f309]) ).

fof(f309,plain,
    ! [X0] : element(sK25(X0),X0),
    inference(skolemisation,[status(esa),new_symbols(skolem,[sK25])],[f47,f308]) ).

fof(f308,plain,
    ! [X0] :
      ( ? [X1] : element(X1,X0)
     => element(sK25(X0),X0) ),
    introduced(choice_axiom,[]) ).

fof(f47,axiom,
    ! [X0] :
    ? [X1] : element(X1,X0),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',existence_m1_subset_1) ).

fof(f3745,plain,
    ( ! [X0] :
        ( disjoint(X0,relation_rng(sK12))
        | ~ subset(X0,singleton(sK11)) )
    | spl52_2 ),
    inference(resolution,[],[f465,f3593]) ).

fof(f3593,plain,
    ( disjoint(singleton(sK11),relation_rng(sK12))
    | spl52_2 ),
    inference(resolution,[],[f3586,f539]) ).

fof(f4148,plain,
    ( spl52_5
    | ~ spl52_6
    | spl52_1 ),
    inference(avatar_split_clause,[],[f3972,f739,f4145,f4141]) ).

fof(f4141,plain,
    ( spl52_5
  <=> empty(relation_dom(sK12)) ),
    introduced(avatar_definition,[new_symbols(naming,[spl52_5])]) ).

fof(f4145,plain,
    ( spl52_6
  <=> subset(relation_dom(sK12),singleton(sK10)) ),
    introduced(avatar_definition,[new_symbols(naming,[spl52_6])]) ).

fof(f3972,plain,
    ( ~ subset(relation_dom(sK12),singleton(sK10))
    | empty(relation_dom(sK12))
    | spl52_1 ),
    inference(resolution,[],[f3744,f2027]) ).

fof(f3744,plain,
    ( ! [X0] :
        ( disjoint(X0,relation_dom(sK12))
        | ~ subset(X0,singleton(sK10)) )
    | spl52_1 ),
    inference(resolution,[],[f465,f3486]) ).

fof(f3486,plain,
    ( disjoint(singleton(sK10),relation_dom(sK12))
    | spl52_1 ),
    inference(resolution,[],[f3479,f539]) ).

fof(f2414,plain,
    ( ~ spl52_3
    | spl52_4 ),
    inference(avatar_split_clause,[],[f2405,f2411,f2407]) ).

fof(f2407,plain,
    ( spl52_3
  <=> sP1(empty_set,empty_set) ),
    introduced(avatar_definition,[new_symbols(naming,[spl52_3])]) ).

fof(f2411,plain,
    ( spl52_4
  <=> sP0(empty_set,empty_set) ),
    introduced(avatar_definition,[new_symbols(naming,[spl52_4])]) ).

fof(f2405,plain,
    ( sP0(empty_set,empty_set)
    | ~ sP1(empty_set,empty_set) ),
    inference(forward_demodulation,[],[f2404,f652]) ).

fof(f652,plain,
    empty_set = set_meet(empty_set),
    inference(equality_resolution,[],[f651]) ).

fof(f651,plain,
    ! [X0] :
      ( empty_set = set_meet(X0)
      | empty_set != X0 ),
    inference(equality_resolution,[],[f535]) ).

fof(f535,plain,
    ! [X0,X1] :
      ( set_meet(X0) = X1
      | empty_set != X1
      | empty_set != X0 ),
    inference(cnf_transformation,[],[f325]) ).

fof(f325,plain,
    ! [X0,X1] :
      ( ( ( ( set_meet(X0) = X1
            | empty_set != X1 )
          & ( empty_set = X1
            | set_meet(X0) != X1 ) )
        | empty_set != X0 )
      & ( sP1(X1,X0)
        | empty_set = X0 ) ),
    inference(nnf_transformation,[],[f246]) ).

fof(f246,plain,
    ! [X0,X1] :
      ( ( ( set_meet(X0) = X1
        <=> empty_set = X1 )
        | empty_set != X0 )
      & ( sP1(X1,X0)
        | empty_set = X0 ) ),
    inference(definition_folding,[],[f212,f245,f244]) ).

fof(f244,plain,
    ! [X0,X1] :
      ( sP0(X0,X1)
    <=> ! [X2] :
          ( in(X2,X1)
        <=> ! [X3] :
              ( in(X2,X3)
              | ~ in(X3,X0) ) ) ),
    introduced(predicate_definition_introduction,[new_symbols(naming,[sP0])]) ).

fof(f245,plain,
    ! [X1,X0] :
      ( ( set_meet(X0) = X1
      <=> sP0(X0,X1) )
      | ~ sP1(X1,X0) ),
    introduced(predicate_definition_introduction,[new_symbols(naming,[sP1])]) ).

fof(f212,plain,
    ! [X0,X1] :
      ( ( ( set_meet(X0) = X1
        <=> empty_set = X1 )
        | empty_set != X0 )
      & ( ( set_meet(X0) = X1
        <=> ! [X2] :
              ( in(X2,X1)
            <=> ! [X3] :
                  ( in(X2,X3)
                  | ~ in(X3,X0) ) ) )
        | empty_set = X0 ) ),
    inference(ennf_transformation,[],[f7]) ).

fof(f7,axiom,
    ! [X0,X1] :
      ( ( empty_set = X0
       => ( set_meet(X0) = X1
        <=> empty_set = X1 ) )
      & ( empty_set != X0
       => ( set_meet(X0) = X1
        <=> ! [X2] :
              ( in(X2,X1)
            <=> ! [X3] :
                  ( in(X3,X0)
                 => in(X2,X3) ) ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',d1_setfam_1) ).

fof(f2404,plain,
    ( ~ sP1(empty_set,empty_set)
    | sP0(empty_set,set_meet(empty_set)) ),
    inference(superposition,[],[f650,f652]) ).

fof(f650,plain,
    ! [X1] :
      ( ~ sP1(set_meet(X1),X1)
      | sP0(X1,set_meet(X1)) ),
    inference(equality_resolution,[],[f525]) ).

fof(f525,plain,
    ! [X0,X1] :
      ( sP0(X1,X0)
      | set_meet(X1) != X0
      | ~ sP1(X0,X1) ),
    inference(cnf_transformation,[],[f318]) ).

fof(f318,plain,
    ! [X0,X1] :
      ( ( ( set_meet(X1) = X0
          | ~ sP0(X1,X0) )
        & ( sP0(X1,X0)
          | set_meet(X1) != X0 ) )
      | ~ sP1(X0,X1) ),
    inference(rectify,[],[f317]) ).

fof(f317,plain,
    ! [X1,X0] :
      ( ( ( set_meet(X0) = X1
          | ~ sP0(X0,X1) )
        & ( sP0(X0,X1)
          | set_meet(X0) != X1 ) )
      | ~ sP1(X1,X0) ),
    inference(nnf_transformation,[],[f245]) ).

fof(f746,plain,
    ( ~ spl52_1
    | ~ spl52_2 ),
    inference(avatar_split_clause,[],[f398,f743,f739]) ).

fof(f398,plain,
    ( ~ in(sK11,relation_rng(sK12))
    | ~ in(sK10,relation_dom(sK12)) ),
    inference(cnf_transformation,[],[f263]) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.10  % Problem    : SEU177+2 : TPTP v8.1.2. Released v3.3.0.
% 0.10/0.11  % Command    : vampire --mode casc_sat -m 16384 --cores 7 -t %d %s
% 0.11/0.32  % Computer : n010.cluster.edu
% 0.11/0.32  % Model    : x86_64 x86_64
% 0.11/0.32  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.11/0.32  % Memory   : 8042.1875MB
% 0.11/0.32  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.11/0.32  % CPULimit   : 300
% 0.11/0.32  % WCLimit    : 300
% 0.11/0.32  % DateTime   : Mon Apr 29 20:53:20 EDT 2024
% 0.11/0.32  % CPUTime    : 
% 0.11/0.32  % (15826)Running in auto input_syntax mode. Trying TPTP
% 0.11/0.34  % (15829)WARNING: value z3 for option sas not known
% 0.11/0.34  % (15829)dis+2_11_add=large:afr=on:amm=off:bd=off:bce=on:fsd=off:fde=none:gs=on:gsaa=full_model:gsem=off:irw=on:msp=off:nm=4:nwc=1.3:sas=z3:sims=off:sac=on:sp=reverse_arity_569 on theBenchmark for (569ds/0Mi)
% 0.11/0.34  % (15833)ott+1_64_av=off:bd=off:bce=on:fsd=off:fde=unused:gsp=on:irw=on:lcm=predicate:lma=on:nm=2:nwc=1.1:sims=off:urr=on_497 on theBenchmark for (497ds/0Mi)
% 0.11/0.34  % (15830)fmb+10_1_bce=on:fmbsr=1.5:nm=32_533 on theBenchmark for (533ds/0Mi)
% 0.11/0.34  % (15831)ott+10_10:1_add=off:afr=on:amm=off:anc=all:bd=off:bs=on:fsr=off:irw=on:lma=on:msp=off:nm=4:nwc=4.0:sac=on:sp=reverse_frequency_531 on theBenchmark for (531ds/0Mi)
% 0.11/0.34  % (15832)ott-10_8_av=off:bd=preordered:bs=on:fsd=off:fsr=off:fde=unused:irw=on:lcm=predicate:lma=on:nm=4:nwc=1.7:sp=frequency_522 on theBenchmark for (522ds/0Mi)
% 0.11/0.35  % (15828)fmb+10_1_bce=on:fmbdsb=on:fmbes=contour:fmbswr=3:fde=none:nm=0_793 on theBenchmark for (793ds/0Mi)
% 0.11/0.36  TRYING [1]
% 0.11/0.36  TRYING [2]
% 0.11/0.36  % (15827)fmb+10_1_bce=on:fmbas=function:fmbsr=1.2:fde=unused:nm=0_846 on theBenchmark for (846ds/0Mi)
% 0.11/0.37  TRYING [3]
% 0.16/0.45  TRYING [4]
% 0.16/0.47  TRYING [1]
% 0.16/0.47  TRYING [2]
% 0.16/0.49  TRYING [3]
% 0.16/0.51  TRYING [1]
% 0.16/0.53  TRYING [2]
% 0.16/0.54  % (15829)First to succeed.
% 0.16/0.55  % (15829)Refutation found. Thanks to Tanya!
% 0.16/0.55  % SZS status Theorem for theBenchmark
% 0.16/0.55  % SZS output start Proof for theBenchmark
% See solution above
% 0.16/0.55  % (15829)------------------------------
% 0.16/0.55  % (15829)Version: Vampire 4.8 (commit 8e9376e55 on 2024-01-18 13:49:33 +0100)
% 0.16/0.55  % (15829)Termination reason: Refutation
% 0.16/0.55  
% 0.16/0.55  % (15829)Memory used [KB]: 3802
% 0.16/0.55  % (15829)Time elapsed: 0.209 s
% 0.16/0.55  % (15829)Instructions burned: 397 (million)
% 0.16/0.55  % (15829)------------------------------
% 0.16/0.55  % (15829)------------------------------
% 0.16/0.55  % (15826)Success in time 0.228 s
%------------------------------------------------------------------------------