TSTP Solution File: SET665+3 by Vampire-SAT---4.8

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Vampire-SAT---4.8
% Problem  : SET665+3 : TPTP v8.1.2. Released v2.2.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : vampire --mode casc_sat -m 16384 --cores 7 -t %d %s

% Computer : n032.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 : Sun May  5 09:15:42 EDT 2024

% Result   : Theorem 0.12s 0.36s
% Output   : Refutation 0.12s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   38
%            Number of leaves      :   15
% Syntax   : Number of formulae    :   95 (   6 unt;   0 def)
%            Number of atoms       :  457 (  21 equ)
%            Maximal formula atoms :   10 (   4 avg)
%            Number of connectives :  659 ( 297   ~; 271   |;  48   &)
%                                         (  11 <=>;  32  =>;   0  <=;   0 <~>)
%            Maximal formula depth :   13 (   7 avg)
%            Maximal term depth    :    4 (   1 avg)
%            Number of predicates  :    8 (   6 usr;   1 prp; 0-2 aty)
%            Number of functors    :   10 (  10 usr;   3 con; 0-2 aty)
%            Number of variables   :  151 ( 141   !;  10   ?)

% Comments : 
%------------------------------------------------------------------------------
fof(f1269,plain,
    $false,
    inference(resolution,[],[f1268,f126]) ).

fof(f126,plain,
    ! [X0] : ilf_type(X0,set_type),
    inference(cnf_transformation,[],[f27]) ).

fof(f27,axiom,
    ! [X0] : ilf_type(X0,set_type),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',p27) ).

fof(f1268,plain,
    ~ ilf_type(sK6,set_type),
    inference(duplicate_literal_removal,[],[f1266]) ).

fof(f1266,plain,
    ( ~ ilf_type(sK6,set_type)
    | ~ ilf_type(sK6,set_type) ),
    inference(resolution,[],[f1265,f137]) ).

fof(f137,plain,
    ! [X0] :
      ( ilf_type(identity_relation_of(X0),binary_relation_type)
      | ~ ilf_type(X0,set_type) ),
    inference(cnf_transformation,[],[f36]) ).

fof(f36,plain,
    ! [X0] :
      ( ilf_type(identity_relation_of(X0),binary_relation_type)
      | ~ ilf_type(X0,set_type) ),
    inference(ennf_transformation,[],[f8]) ).

fof(f8,axiom,
    ! [X0] :
      ( ilf_type(X0,set_type)
     => ilf_type(identity_relation_of(X0),binary_relation_type) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',p8) ).

fof(f1265,plain,
    ( ~ ilf_type(identity_relation_of(sK6),binary_relation_type)
    | ~ ilf_type(sK6,set_type) ),
    inference(resolution,[],[f1264,f126]) ).

fof(f1264,plain,
    ( ~ ilf_type(cross_product(sK6,sK6),set_type)
    | ~ ilf_type(sK6,set_type)
    | ~ ilf_type(identity_relation_of(sK6),binary_relation_type) ),
    inference(duplicate_literal_removal,[],[f1263]) ).

fof(f1263,plain,
    ( ~ ilf_type(identity_relation_of(sK6),binary_relation_type)
    | ~ ilf_type(sK6,set_type)
    | ~ ilf_type(sK6,set_type)
    | ~ ilf_type(sK6,set_type)
    | ~ ilf_type(cross_product(sK6,sK6),set_type)
    | ~ ilf_type(sK6,set_type)
    | ~ ilf_type(sK6,set_type) ),
    inference(resolution,[],[f1262,f157]) ).

fof(f157,plain,
    ! [X0,X1] :
      ( ilf_type(cross_product(X0,X1),relation_type(X0,X1))
      | ~ ilf_type(X1,set_type)
      | ~ ilf_type(X0,set_type) ),
    inference(cnf_transformation,[],[f44]) ).

fof(f44,plain,
    ! [X0] :
      ( ! [X1] :
          ( ilf_type(cross_product(X0,X1),relation_type(X0,X1))
          | ~ ilf_type(X1,set_type) )
      | ~ ilf_type(X0,set_type) ),
    inference(ennf_transformation,[],[f4]) ).

fof(f4,axiom,
    ! [X0] :
      ( ilf_type(X0,set_type)
     => ! [X1] :
          ( ilf_type(X1,set_type)
         => ilf_type(cross_product(X0,X1),relation_type(X0,X1)) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',p4) ).

fof(f1262,plain,
    ! [X0,X1] :
      ( ~ ilf_type(cross_product(sK6,sK6),relation_type(X1,X0))
      | ~ ilf_type(identity_relation_of(sK6),binary_relation_type)
      | ~ ilf_type(sK6,set_type)
      | ~ ilf_type(X0,set_type)
      | ~ ilf_type(X1,set_type)
      | ~ ilf_type(cross_product(sK6,sK6),set_type) ),
    inference(duplicate_literal_removal,[],[f1259]) ).

fof(f1259,plain,
    ! [X0,X1] :
      ( ~ ilf_type(cross_product(sK6,sK6),set_type)
      | ~ ilf_type(identity_relation_of(sK6),binary_relation_type)
      | ~ ilf_type(sK6,set_type)
      | ~ ilf_type(X0,set_type)
      | ~ ilf_type(X1,set_type)
      | ~ ilf_type(cross_product(sK6,sK6),relation_type(X1,X0))
      | ~ ilf_type(X0,set_type)
      | ~ ilf_type(X1,set_type) ),
    inference(resolution,[],[f1222,f159]) ).

fof(f159,plain,
    ! [X2,X0,X1] :
      ( ilf_type(X2,subset_type(cross_product(X0,X1)))
      | ~ ilf_type(X2,relation_type(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,[],[f30]) ).

fof(f30,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,[],[f13]) ).

fof(f13,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/benchmark/theBenchmark.p',p13) ).

fof(f1222,plain,
    ! [X0,X1] :
      ( ~ ilf_type(cross_product(sK6,sK6),subset_type(cross_product(X0,X1)))
      | ~ ilf_type(cross_product(sK6,sK6),set_type)
      | ~ ilf_type(identity_relation_of(sK6),binary_relation_type)
      | ~ ilf_type(sK6,set_type)
      | ~ ilf_type(X1,set_type)
      | ~ ilf_type(X0,set_type) ),
    inference(resolution,[],[f1221,f188]) ).

fof(f188,plain,
    ! [X2,X0,X1] :
      ( relation_like(X2)
      | ~ ilf_type(X2,subset_type(cross_product(X0,X1)))
      | ~ ilf_type(X1,set_type)
      | ~ ilf_type(X0,set_type) ),
    inference(cnf_transformation,[],[f55]) ).

fof(f55,plain,
    ! [X0] :
      ( ! [X1] :
          ( ! [X2] :
              ( relation_like(X2)
              | ~ ilf_type(X2,subset_type(cross_product(X0,X1))) )
          | ~ 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)
         => ! [X2] :
              ( ilf_type(X2,subset_type(cross_product(X0,X1)))
             => relation_like(X2) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',p20) ).

fof(f1221,plain,
    ( ~ relation_like(cross_product(sK6,sK6))
    | ~ ilf_type(sK6,set_type)
    | ~ ilf_type(cross_product(sK6,sK6),set_type)
    | ~ ilf_type(identity_relation_of(sK6),binary_relation_type) ),
    inference(resolution,[],[f1220,f201]) ).

fof(f201,plain,
    ! [X0] :
      ( ilf_type(X0,binary_relation_type)
      | ~ ilf_type(X0,set_type)
      | ~ relation_like(X0) ),
    inference(duplicate_literal_removal,[],[f154]) ).

fof(f154,plain,
    ! [X0] :
      ( ilf_type(X0,binary_relation_type)
      | ~ ilf_type(X0,set_type)
      | ~ relation_like(X0)
      | ~ ilf_type(X0,set_type) ),
    inference(cnf_transformation,[],[f93]) ).

fof(f93,plain,
    ! [X0] :
      ( ( ( ilf_type(X0,binary_relation_type)
          | ~ ilf_type(X0,set_type)
          | ~ relation_like(X0) )
        & ( ( ilf_type(X0,set_type)
            & relation_like(X0) )
          | ~ ilf_type(X0,binary_relation_type) ) )
      | ~ ilf_type(X0,set_type) ),
    inference(flattening,[],[f92]) ).

fof(f92,plain,
    ! [X0] :
      ( ( ( ilf_type(X0,binary_relation_type)
          | ~ ilf_type(X0,set_type)
          | ~ relation_like(X0) )
        & ( ( ilf_type(X0,set_type)
            & relation_like(X0) )
          | ~ ilf_type(X0,binary_relation_type) ) )
      | ~ ilf_type(X0,set_type) ),
    inference(nnf_transformation,[],[f41]) ).

fof(f41,plain,
    ! [X0] :
      ( ( ilf_type(X0,binary_relation_type)
      <=> ( ilf_type(X0,set_type)
          & relation_like(X0) ) )
      | ~ ilf_type(X0,set_type) ),
    inference(ennf_transformation,[],[f11]) ).

fof(f11,axiom,
    ! [X0] :
      ( ilf_type(X0,set_type)
     => ( ilf_type(X0,binary_relation_type)
      <=> ( ilf_type(X0,set_type)
          & relation_like(X0) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',p11) ).

fof(f1220,plain,
    ( ~ ilf_type(cross_product(sK6,sK6),binary_relation_type)
    | ~ ilf_type(identity_relation_of(sK6),binary_relation_type)
    | ~ ilf_type(sK6,set_type) ),
    inference(resolution,[],[f1219,f126]) ).

fof(f1219,plain,
    ( ~ ilf_type(sK7(cross_product(sK6,sK6),identity_relation_of(sK6)),set_type)
    | ~ ilf_type(identity_relation_of(sK6),binary_relation_type)
    | ~ ilf_type(cross_product(sK6,sK6),binary_relation_type)
    | ~ ilf_type(sK6,set_type) ),
    inference(duplicate_literal_removal,[],[f1212]) ).

fof(f1212,plain,
    ( ~ ilf_type(sK6,set_type)
    | ~ ilf_type(identity_relation_of(sK6),binary_relation_type)
    | ~ ilf_type(cross_product(sK6,sK6),binary_relation_type)
    | ~ ilf_type(sK7(cross_product(sK6,sK6),identity_relation_of(sK6)),set_type)
    | ~ ilf_type(identity_relation_of(sK6),binary_relation_type)
    | ~ ilf_type(cross_product(sK6,sK6),binary_relation_type) ),
    inference(resolution,[],[f1211,f203]) ).

fof(f203,plain,
    ( ~ sP0(cross_product(sK6,sK6),identity_relation_of(sK6))
    | ~ ilf_type(identity_relation_of(sK6),binary_relation_type)
    | ~ ilf_type(cross_product(sK6,sK6),binary_relation_type) ),
    inference(resolution,[],[f135,f202]) ).

fof(f202,plain,
    ( ~ sP1(identity_relation_of(sK6),cross_product(sK6,sK6))
    | ~ sP0(cross_product(sK6,sK6),identity_relation_of(sK6)) ),
    inference(resolution,[],[f129,f125]) ).

fof(f125,plain,
    ~ subset(identity_relation_of(sK6),cross_product(sK6,sK6)),
    inference(cnf_transformation,[],[f74]) ).

fof(f74,plain,
    ( ~ subset(identity_relation_of(sK6),cross_product(sK6,sK6))
    & ilf_type(sK6,set_type) ),
    inference(skolemisation,[status(esa),new_symbols(skolem,[sK6])],[f31,f73]) ).

fof(f73,plain,
    ( ? [X0] :
        ( ~ subset(identity_relation_of(X0),cross_product(X0,X0))
        & ilf_type(X0,set_type) )
   => ( ~ subset(identity_relation_of(sK6),cross_product(sK6,sK6))
      & ilf_type(sK6,set_type) ) ),
    introduced(choice_axiom,[]) ).

fof(f31,plain,
    ? [X0] :
      ( ~ subset(identity_relation_of(X0),cross_product(X0,X0))
      & ilf_type(X0,set_type) ),
    inference(ennf_transformation,[],[f29]) ).

fof(f29,negated_conjecture,
    ~ ! [X0] :
        ( ilf_type(X0,set_type)
       => subset(identity_relation_of(X0),cross_product(X0,X0)) ),
    inference(negated_conjecture,[],[f28]) ).

fof(f28,conjecture,
    ! [X0] :
      ( ilf_type(X0,set_type)
     => subset(identity_relation_of(X0),cross_product(X0,X0)) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',prove_relset_1_28) ).

fof(f129,plain,
    ! [X0,X1] :
      ( subset(X0,X1)
      | ~ sP0(X1,X0)
      | ~ sP1(X0,X1) ),
    inference(cnf_transformation,[],[f75]) ).

fof(f75,plain,
    ! [X0,X1] :
      ( ( ( subset(X0,X1)
          | ~ sP0(X1,X0) )
        & ( sP0(X1,X0)
          | ~ subset(X0,X1) ) )
      | ~ sP1(X0,X1) ),
    inference(nnf_transformation,[],[f65]) ).

fof(f65,plain,
    ! [X0,X1] :
      ( ( subset(X0,X1)
      <=> sP0(X1,X0) )
      | ~ sP1(X0,X1) ),
    introduced(predicate_definition_introduction,[new_symbols(naming,[sP1])]) ).

fof(f135,plain,
    ! [X0,X1] :
      ( sP1(X0,X1)
      | ~ ilf_type(X1,binary_relation_type)
      | ~ ilf_type(X0,binary_relation_type) ),
    inference(cnf_transformation,[],[f66]) ).

fof(f66,plain,
    ! [X0] :
      ( ! [X1] :
          ( sP1(X0,X1)
          | ~ ilf_type(X1,binary_relation_type) )
      | ~ ilf_type(X0,binary_relation_type) ),
    inference(definition_folding,[],[f34,f65,f64]) ).

fof(f64,plain,
    ! [X1,X0] :
      ( sP0(X1,X0)
    <=> ! [X2] :
          ( ! [X3] :
              ( member(ordered_pair(X2,X3),X1)
              | ~ member(ordered_pair(X2,X3),X0)
              | ~ ilf_type(X3,set_type) )
          | ~ ilf_type(X2,set_type) ) ),
    introduced(predicate_definition_introduction,[new_symbols(naming,[sP0])]) ).

fof(f34,plain,
    ! [X0] :
      ( ! [X1] :
          ( ( subset(X0,X1)
          <=> ! [X2] :
                ( ! [X3] :
                    ( member(ordered_pair(X2,X3),X1)
                    | ~ member(ordered_pair(X2,X3),X0)
                    | ~ ilf_type(X3,set_type) )
                | ~ ilf_type(X2,set_type) ) )
          | ~ ilf_type(X1,binary_relation_type) )
      | ~ ilf_type(X0,binary_relation_type) ),
    inference(flattening,[],[f33]) ).

fof(f33,plain,
    ! [X0] :
      ( ! [X1] :
          ( ( subset(X0,X1)
          <=> ! [X2] :
                ( ! [X3] :
                    ( member(ordered_pair(X2,X3),X1)
                    | ~ member(ordered_pair(X2,X3),X0)
                    | ~ ilf_type(X3,set_type) )
                | ~ ilf_type(X2,set_type) ) )
          | ~ ilf_type(X1,binary_relation_type) )
      | ~ ilf_type(X0,binary_relation_type) ),
    inference(ennf_transformation,[],[f1]) ).

fof(f1,axiom,
    ! [X0] :
      ( ilf_type(X0,binary_relation_type)
     => ! [X1] :
          ( ilf_type(X1,binary_relation_type)
         => ( subset(X0,X1)
          <=> ! [X2] :
                ( ilf_type(X2,set_type)
               => ! [X3] :
                    ( ilf_type(X3,set_type)
                   => ( member(ordered_pair(X2,X3),X0)
                     => member(ordered_pair(X2,X3),X1) ) ) ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',p1) ).

fof(f1211,plain,
    ( sP0(cross_product(sK6,sK6),identity_relation_of(sK6))
    | ~ ilf_type(sK6,set_type)
    | ~ ilf_type(identity_relation_of(sK6),binary_relation_type)
    | ~ ilf_type(cross_product(sK6,sK6),binary_relation_type)
    | ~ ilf_type(sK7(cross_product(sK6,sK6),identity_relation_of(sK6)),set_type) ),
    inference(duplicate_literal_removal,[],[f1202]) ).

fof(f1202,plain,
    ( ~ ilf_type(sK7(cross_product(sK6,sK6),identity_relation_of(sK6)),set_type)
    | ~ ilf_type(sK6,set_type)
    | ~ ilf_type(identity_relation_of(sK6),binary_relation_type)
    | ~ ilf_type(cross_product(sK6,sK6),binary_relation_type)
    | sP0(cross_product(sK6,sK6),identity_relation_of(sK6))
    | ~ ilf_type(sK7(cross_product(sK6,sK6),identity_relation_of(sK6)),set_type)
    | ~ ilf_type(sK6,set_type) ),
    inference(resolution,[],[f1169,f1181]) ).

fof(f1181,plain,
    ( member(sK7(cross_product(sK6,sK6),identity_relation_of(sK6)),sK6)
    | sP0(cross_product(sK6,sK6),identity_relation_of(sK6))
    | ~ ilf_type(sK7(cross_product(sK6,sK6),identity_relation_of(sK6)),set_type)
    | ~ ilf_type(sK6,set_type) ),
    inference(duplicate_literal_removal,[],[f1173]) ).

fof(f1173,plain,
    ( sP0(cross_product(sK6,sK6),identity_relation_of(sK6))
    | member(sK7(cross_product(sK6,sK6),identity_relation_of(sK6)),sK6)
    | ~ ilf_type(sK7(cross_product(sK6,sK6),identity_relation_of(sK6)),set_type)
    | ~ ilf_type(sK7(cross_product(sK6,sK6),identity_relation_of(sK6)),set_type)
    | ~ ilf_type(sK6,set_type) ),
    inference(resolution,[],[f1171,f179]) ).

fof(f179,plain,
    ! [X2,X0,X1] :
      ( ~ member(ordered_pair(X1,X2),identity_relation_of(X0))
      | member(X1,X0)
      | ~ ilf_type(X2,set_type)
      | ~ ilf_type(X1,set_type)
      | ~ ilf_type(X0,set_type) ),
    inference(cnf_transformation,[],[f110]) ).

fof(f110,plain,
    ! [X0] :
      ( ! [X1] :
          ( ! [X2] :
              ( ( ( member(ordered_pair(X1,X2),identity_relation_of(X0))
                  | X1 != X2
                  | ~ member(X1,X0) )
                & ( ( X1 = X2
                    & member(X1,X0) )
                  | ~ member(ordered_pair(X1,X2),identity_relation_of(X0)) ) )
              | ~ ilf_type(X2,set_type) )
          | ~ ilf_type(X1,set_type) )
      | ~ ilf_type(X0,set_type) ),
    inference(flattening,[],[f109]) ).

fof(f109,plain,
    ! [X0] :
      ( ! [X1] :
          ( ! [X2] :
              ( ( ( member(ordered_pair(X1,X2),identity_relation_of(X0))
                  | X1 != X2
                  | ~ member(X1,X0) )
                & ( ( X1 = X2
                    & member(X1,X0) )
                  | ~ member(ordered_pair(X1,X2),identity_relation_of(X0)) ) )
              | ~ ilf_type(X2,set_type) )
          | ~ ilf_type(X1,set_type) )
      | ~ ilf_type(X0,set_type) ),
    inference(nnf_transformation,[],[f52]) ).

fof(f52,plain,
    ! [X0] :
      ( ! [X1] :
          ( ! [X2] :
              ( ( member(ordered_pair(X1,X2),identity_relation_of(X0))
              <=> ( X1 = X2
                  & member(X1,X0) ) )
              | ~ ilf_type(X2,set_type) )
          | ~ ilf_type(X1,set_type) )
      | ~ ilf_type(X0,set_type) ),
    inference(ennf_transformation,[],[f7]) ).

fof(f7,axiom,
    ! [X0] :
      ( ilf_type(X0,set_type)
     => ! [X1] :
          ( ilf_type(X1,set_type)
         => ! [X2] :
              ( ilf_type(X2,set_type)
             => ( member(ordered_pair(X1,X2),identity_relation_of(X0))
              <=> ( X1 = X2
                  & member(X1,X0) ) ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',p7) ).

fof(f1171,plain,
    ( member(ordered_pair(sK7(cross_product(sK6,sK6),identity_relation_of(sK6)),sK7(cross_product(sK6,sK6),identity_relation_of(sK6))),identity_relation_of(sK6))
    | sP0(cross_product(sK6,sK6),identity_relation_of(sK6)) ),
    inference(superposition,[],[f133,f1152]) ).

fof(f1152,plain,
    sK7(cross_product(sK6,sK6),identity_relation_of(sK6)) = sK8(cross_product(sK6,sK6),identity_relation_of(sK6)),
    inference(resolution,[],[f1151,f126]) ).

fof(f1151,plain,
    ( ~ ilf_type(sK6,set_type)
    | sK7(cross_product(sK6,sK6),identity_relation_of(sK6)) = sK8(cross_product(sK6,sK6),identity_relation_of(sK6)) ),
    inference(duplicate_literal_removal,[],[f1149]) ).

fof(f1149,plain,
    ( sK7(cross_product(sK6,sK6),identity_relation_of(sK6)) = sK8(cross_product(sK6,sK6),identity_relation_of(sK6))
    | ~ ilf_type(sK6,set_type)
    | ~ ilf_type(sK6,set_type) ),
    inference(resolution,[],[f1148,f137]) ).

fof(f1148,plain,
    ( ~ ilf_type(identity_relation_of(sK6),binary_relation_type)
    | sK7(cross_product(sK6,sK6),identity_relation_of(sK6)) = sK8(cross_product(sK6,sK6),identity_relation_of(sK6))
    | ~ ilf_type(sK6,set_type) ),
    inference(resolution,[],[f1147,f126]) ).

fof(f1147,plain,
    ( ~ ilf_type(cross_product(sK6,sK6),set_type)
    | sK7(cross_product(sK6,sK6),identity_relation_of(sK6)) = sK8(cross_product(sK6,sK6),identity_relation_of(sK6))
    | ~ ilf_type(identity_relation_of(sK6),binary_relation_type)
    | ~ ilf_type(sK6,set_type) ),
    inference(duplicate_literal_removal,[],[f1146]) ).

fof(f1146,plain,
    ( ~ ilf_type(cross_product(sK6,sK6),set_type)
    | sK7(cross_product(sK6,sK6),identity_relation_of(sK6)) = sK8(cross_product(sK6,sK6),identity_relation_of(sK6))
    | ~ ilf_type(identity_relation_of(sK6),binary_relation_type)
    | ~ ilf_type(sK6,set_type)
    | ~ ilf_type(sK6,set_type)
    | ~ ilf_type(sK6,set_type)
    | ~ ilf_type(sK6,set_type)
    | ~ ilf_type(sK6,set_type) ),
    inference(resolution,[],[f1093,f157]) ).

fof(f1093,plain,
    ! [X0,X1] :
      ( ~ ilf_type(cross_product(sK6,sK6),relation_type(X1,X0))
      | ~ ilf_type(cross_product(sK6,sK6),set_type)
      | sK7(cross_product(sK6,sK6),identity_relation_of(sK6)) = sK8(cross_product(sK6,sK6),identity_relation_of(sK6))
      | ~ ilf_type(identity_relation_of(sK6),binary_relation_type)
      | ~ ilf_type(X0,set_type)
      | ~ ilf_type(X1,set_type)
      | ~ ilf_type(sK6,set_type) ),
    inference(duplicate_literal_removal,[],[f1090]) ).

fof(f1090,plain,
    ! [X0,X1] :
      ( ~ ilf_type(sK6,set_type)
      | ~ ilf_type(cross_product(sK6,sK6),set_type)
      | sK7(cross_product(sK6,sK6),identity_relation_of(sK6)) = sK8(cross_product(sK6,sK6),identity_relation_of(sK6))
      | ~ ilf_type(identity_relation_of(sK6),binary_relation_type)
      | ~ ilf_type(X0,set_type)
      | ~ ilf_type(X1,set_type)
      | ~ ilf_type(cross_product(sK6,sK6),relation_type(X1,X0))
      | ~ ilf_type(X0,set_type)
      | ~ ilf_type(X1,set_type) ),
    inference(resolution,[],[f1055,f159]) ).

fof(f1055,plain,
    ! [X0,X1] :
      ( ~ ilf_type(cross_product(sK6,sK6),subset_type(cross_product(X0,X1)))
      | ~ ilf_type(sK6,set_type)
      | ~ ilf_type(cross_product(sK6,sK6),set_type)
      | sK7(cross_product(sK6,sK6),identity_relation_of(sK6)) = sK8(cross_product(sK6,sK6),identity_relation_of(sK6))
      | ~ ilf_type(identity_relation_of(sK6),binary_relation_type)
      | ~ ilf_type(X1,set_type)
      | ~ ilf_type(X0,set_type) ),
    inference(resolution,[],[f1054,f188]) ).

fof(f1054,plain,
    ( ~ relation_like(cross_product(sK6,sK6))
    | ~ ilf_type(identity_relation_of(sK6),binary_relation_type)
    | ~ ilf_type(sK6,set_type)
    | ~ ilf_type(cross_product(sK6,sK6),set_type)
    | sK7(cross_product(sK6,sK6),identity_relation_of(sK6)) = sK8(cross_product(sK6,sK6),identity_relation_of(sK6)) ),
    inference(resolution,[],[f1053,f201]) ).

fof(f1053,plain,
    ( ~ ilf_type(cross_product(sK6,sK6),binary_relation_type)
    | sK7(cross_product(sK6,sK6),identity_relation_of(sK6)) = sK8(cross_product(sK6,sK6),identity_relation_of(sK6))
    | ~ ilf_type(identity_relation_of(sK6),binary_relation_type)
    | ~ ilf_type(sK6,set_type) ),
    inference(resolution,[],[f1052,f126]) ).

fof(f1052,plain,
    ( ~ ilf_type(sK7(cross_product(sK6,sK6),identity_relation_of(sK6)),set_type)
    | ~ ilf_type(sK6,set_type)
    | sK7(cross_product(sK6,sK6),identity_relation_of(sK6)) = sK8(cross_product(sK6,sK6),identity_relation_of(sK6))
    | ~ ilf_type(identity_relation_of(sK6),binary_relation_type)
    | ~ ilf_type(cross_product(sK6,sK6),binary_relation_type) ),
    inference(resolution,[],[f1045,f126]) ).

fof(f1045,plain,
    ( ~ ilf_type(sK8(cross_product(sK6,sK6),identity_relation_of(sK6)),set_type)
    | ~ ilf_type(sK7(cross_product(sK6,sK6),identity_relation_of(sK6)),set_type)
    | ~ ilf_type(sK6,set_type)
    | sK7(cross_product(sK6,sK6),identity_relation_of(sK6)) = sK8(cross_product(sK6,sK6),identity_relation_of(sK6))
    | ~ ilf_type(identity_relation_of(sK6),binary_relation_type)
    | ~ ilf_type(cross_product(sK6,sK6),binary_relation_type) ),
    inference(resolution,[],[f242,f203]) ).

fof(f242,plain,
    ! [X0,X1] :
      ( sP0(X0,identity_relation_of(X1))
      | ~ ilf_type(sK8(X0,identity_relation_of(X1)),set_type)
      | ~ ilf_type(sK7(X0,identity_relation_of(X1)),set_type)
      | ~ ilf_type(X1,set_type)
      | sK7(X0,identity_relation_of(X1)) = sK8(X0,identity_relation_of(X1)) ),
    inference(resolution,[],[f180,f133]) ).

fof(f180,plain,
    ! [X2,X0,X1] :
      ( ~ member(ordered_pair(X1,X2),identity_relation_of(X0))
      | X1 = X2
      | ~ ilf_type(X2,set_type)
      | ~ ilf_type(X1,set_type)
      | ~ ilf_type(X0,set_type) ),
    inference(cnf_transformation,[],[f110]) ).

fof(f133,plain,
    ! [X0,X1] :
      ( member(ordered_pair(sK7(X0,X1),sK8(X0,X1)),X1)
      | sP0(X0,X1) ),
    inference(cnf_transformation,[],[f80]) ).

fof(f80,plain,
    ! [X0,X1] :
      ( ( sP0(X0,X1)
        | ( ~ member(ordered_pair(sK7(X0,X1),sK8(X0,X1)),X0)
          & member(ordered_pair(sK7(X0,X1),sK8(X0,X1)),X1)
          & ilf_type(sK8(X0,X1),set_type)
          & ilf_type(sK7(X0,X1),set_type) ) )
      & ( ! [X4] :
            ( ! [X5] :
                ( member(ordered_pair(X4,X5),X0)
                | ~ member(ordered_pair(X4,X5),X1)
                | ~ ilf_type(X5,set_type) )
            | ~ ilf_type(X4,set_type) )
        | ~ sP0(X0,X1) ) ),
    inference(skolemisation,[status(esa),new_symbols(skolem,[sK7,sK8])],[f77,f79,f78]) ).

fof(f78,plain,
    ! [X0,X1] :
      ( ? [X2] :
          ( ? [X3] :
              ( ~ member(ordered_pair(X2,X3),X0)
              & member(ordered_pair(X2,X3),X1)
              & ilf_type(X3,set_type) )
          & ilf_type(X2,set_type) )
     => ( ? [X3] :
            ( ~ member(ordered_pair(sK7(X0,X1),X3),X0)
            & member(ordered_pair(sK7(X0,X1),X3),X1)
            & ilf_type(X3,set_type) )
        & ilf_type(sK7(X0,X1),set_type) ) ),
    introduced(choice_axiom,[]) ).

fof(f79,plain,
    ! [X0,X1] :
      ( ? [X3] :
          ( ~ member(ordered_pair(sK7(X0,X1),X3),X0)
          & member(ordered_pair(sK7(X0,X1),X3),X1)
          & ilf_type(X3,set_type) )
     => ( ~ member(ordered_pair(sK7(X0,X1),sK8(X0,X1)),X0)
        & member(ordered_pair(sK7(X0,X1),sK8(X0,X1)),X1)
        & ilf_type(sK8(X0,X1),set_type) ) ),
    introduced(choice_axiom,[]) ).

fof(f77,plain,
    ! [X0,X1] :
      ( ( sP0(X0,X1)
        | ? [X2] :
            ( ? [X3] :
                ( ~ member(ordered_pair(X2,X3),X0)
                & member(ordered_pair(X2,X3),X1)
                & ilf_type(X3,set_type) )
            & ilf_type(X2,set_type) ) )
      & ( ! [X4] :
            ( ! [X5] :
                ( member(ordered_pair(X4,X5),X0)
                | ~ member(ordered_pair(X4,X5),X1)
                | ~ ilf_type(X5,set_type) )
            | ~ ilf_type(X4,set_type) )
        | ~ sP0(X0,X1) ) ),
    inference(rectify,[],[f76]) ).

fof(f76,plain,
    ! [X1,X0] :
      ( ( sP0(X1,X0)
        | ? [X2] :
            ( ? [X3] :
                ( ~ member(ordered_pair(X2,X3),X1)
                & member(ordered_pair(X2,X3),X0)
                & ilf_type(X3,set_type) )
            & ilf_type(X2,set_type) ) )
      & ( ! [X2] :
            ( ! [X3] :
                ( member(ordered_pair(X2,X3),X1)
                | ~ member(ordered_pair(X2,X3),X0)
                | ~ ilf_type(X3,set_type) )
            | ~ ilf_type(X2,set_type) )
        | ~ sP0(X1,X0) ) ),
    inference(nnf_transformation,[],[f64]) ).

fof(f1169,plain,
    ( ~ member(sK7(cross_product(sK6,sK6),identity_relation_of(sK6)),sK6)
    | ~ ilf_type(sK7(cross_product(sK6,sK6),identity_relation_of(sK6)),set_type)
    | ~ ilf_type(sK6,set_type)
    | ~ ilf_type(identity_relation_of(sK6),binary_relation_type)
    | ~ ilf_type(cross_product(sK6,sK6),binary_relation_type) ),
    inference(duplicate_literal_removal,[],[f1168]) ).

fof(f1168,plain,
    ( ~ member(sK7(cross_product(sK6,sK6),identity_relation_of(sK6)),sK6)
    | ~ ilf_type(sK7(cross_product(sK6,sK6),identity_relation_of(sK6)),set_type)
    | ~ member(sK7(cross_product(sK6,sK6),identity_relation_of(sK6)),sK6)
    | ~ ilf_type(sK6,set_type)
    | ~ ilf_type(identity_relation_of(sK6),binary_relation_type)
    | ~ ilf_type(cross_product(sK6,sK6),binary_relation_type) ),
    inference(forward_demodulation,[],[f1161,f1152]) ).

fof(f1161,plain,
    ( ~ ilf_type(sK7(cross_product(sK6,sK6),identity_relation_of(sK6)),set_type)
    | ~ member(sK8(cross_product(sK6,sK6),identity_relation_of(sK6)),sK6)
    | ~ member(sK7(cross_product(sK6,sK6),identity_relation_of(sK6)),sK6)
    | ~ ilf_type(sK6,set_type)
    | ~ ilf_type(identity_relation_of(sK6),binary_relation_type)
    | ~ ilf_type(cross_product(sK6,sK6),binary_relation_type) ),
    inference(duplicate_literal_removal,[],[f1159]) ).

fof(f1159,plain,
    ( ~ ilf_type(sK7(cross_product(sK6,sK6),identity_relation_of(sK6)),set_type)
    | ~ member(sK8(cross_product(sK6,sK6),identity_relation_of(sK6)),sK6)
    | ~ member(sK7(cross_product(sK6,sK6),identity_relation_of(sK6)),sK6)
    | ~ ilf_type(sK6,set_type)
    | ~ ilf_type(sK7(cross_product(sK6,sK6),identity_relation_of(sK6)),set_type)
    | ~ ilf_type(identity_relation_of(sK6),binary_relation_type)
    | ~ ilf_type(cross_product(sK6,sK6),binary_relation_type) ),
    inference(backward_demodulation,[],[f382,f1152]) ).

fof(f382,plain,
    ( ~ member(sK8(cross_product(sK6,sK6),identity_relation_of(sK6)),sK6)
    | ~ member(sK7(cross_product(sK6,sK6),identity_relation_of(sK6)),sK6)
    | ~ ilf_type(sK6,set_type)
    | ~ ilf_type(sK8(cross_product(sK6,sK6),identity_relation_of(sK6)),set_type)
    | ~ ilf_type(sK7(cross_product(sK6,sK6),identity_relation_of(sK6)),set_type)
    | ~ ilf_type(identity_relation_of(sK6),binary_relation_type)
    | ~ ilf_type(cross_product(sK6,sK6),binary_relation_type) ),
    inference(duplicate_literal_removal,[],[f374]) ).

fof(f374,plain,
    ( ~ member(sK8(cross_product(sK6,sK6),identity_relation_of(sK6)),sK6)
    | ~ member(sK7(cross_product(sK6,sK6),identity_relation_of(sK6)),sK6)
    | ~ ilf_type(sK6,set_type)
    | ~ ilf_type(sK6,set_type)
    | ~ ilf_type(sK8(cross_product(sK6,sK6),identity_relation_of(sK6)),set_type)
    | ~ ilf_type(sK7(cross_product(sK6,sK6),identity_relation_of(sK6)),set_type)
    | ~ ilf_type(identity_relation_of(sK6),binary_relation_type)
    | ~ ilf_type(cross_product(sK6,sK6),binary_relation_type) ),
    inference(resolution,[],[f187,f205]) ).

fof(f205,plain,
    ( ~ member(ordered_pair(sK7(cross_product(sK6,sK6),identity_relation_of(sK6)),sK8(cross_product(sK6,sK6),identity_relation_of(sK6))),cross_product(sK6,sK6))
    | ~ ilf_type(identity_relation_of(sK6),binary_relation_type)
    | ~ ilf_type(cross_product(sK6,sK6),binary_relation_type) ),
    inference(resolution,[],[f134,f203]) ).

fof(f134,plain,
    ! [X0,X1] :
      ( sP0(X0,X1)
      | ~ member(ordered_pair(sK7(X0,X1),sK8(X0,X1)),X0) ),
    inference(cnf_transformation,[],[f80]) ).

fof(f187,plain,
    ! [X2,X3,X0,X1] :
      ( member(ordered_pair(X0,X1),cross_product(X2,X3))
      | ~ member(X1,X3)
      | ~ member(X0,X2)
      | ~ ilf_type(X3,set_type)
      | ~ ilf_type(X2,set_type)
      | ~ ilf_type(X1,set_type)
      | ~ ilf_type(X0,set_type) ),
    inference(cnf_transformation,[],[f114]) ).

fof(f114,plain,
    ! [X0] :
      ( ! [X1] :
          ( ! [X2] :
              ( ! [X3] :
                  ( ( ( member(ordered_pair(X0,X1),cross_product(X2,X3))
                      | ~ member(X1,X3)
                      | ~ member(X0,X2) )
                    & ( ( member(X1,X3)
                        & member(X0,X2) )
                      | ~ member(ordered_pair(X0,X1),cross_product(X2,X3)) ) )
                  | ~ ilf_type(X3,set_type) )
              | ~ ilf_type(X2,set_type) )
          | ~ ilf_type(X1,set_type) )
      | ~ ilf_type(X0,set_type) ),
    inference(flattening,[],[f113]) ).

fof(f113,plain,
    ! [X0] :
      ( ! [X1] :
          ( ! [X2] :
              ( ! [X3] :
                  ( ( ( member(ordered_pair(X0,X1),cross_product(X2,X3))
                      | ~ member(X1,X3)
                      | ~ member(X0,X2) )
                    & ( ( member(X1,X3)
                        & member(X0,X2) )
                      | ~ member(ordered_pair(X0,X1),cross_product(X2,X3)) ) )
                  | ~ ilf_type(X3,set_type) )
              | ~ ilf_type(X2,set_type) )
          | ~ ilf_type(X1,set_type) )
      | ~ ilf_type(X0,set_type) ),
    inference(nnf_transformation,[],[f54]) ).

fof(f54,plain,
    ! [X0] :
      ( ! [X1] :
          ( ! [X2] :
              ( ! [X3] :
                  ( ( member(ordered_pair(X0,X1),cross_product(X2,X3))
                  <=> ( member(X1,X3)
                      & member(X0,X2) ) )
                  | ~ ilf_type(X3,set_type) )
              | ~ 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)
             => ! [X3] :
                  ( ilf_type(X3,set_type)
                 => ( member(ordered_pair(X0,X1),cross_product(X2,X3))
                  <=> ( member(X1,X3)
                      & member(X0,X2) ) ) ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',p3) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.07  % Problem    : SET665+3 : TPTP v8.1.2. Released v2.2.0.
% 0.00/0.09  % Command    : vampire --mode casc_sat -m 16384 --cores 7 -t %d %s
% 0.08/0.27  % Computer : n032.cluster.edu
% 0.08/0.27  % Model    : x86_64 x86_64
% 0.08/0.27  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.08/0.27  % Memory   : 8042.1875MB
% 0.08/0.27  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.08/0.27  % CPULimit   : 300
% 0.08/0.27  % WCLimit    : 300
% 0.08/0.27  % DateTime   : Fri May  3 16:28:52 EDT 2024
% 0.08/0.27  % CPUTime    : 
% 0.12/0.28  % (14471)Running in auto input_syntax mode. Trying TPTP
% 0.12/0.29  % (14474)WARNING: value z3 for option sas not known
% 0.12/0.29  % (14474)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)
% 0.12/0.29  % (14473)fmb+10_1_bce=on:fmbdsb=on:fmbes=contour:fmbswr=3:fde=none:nm=0_793 on theBenchmark for (793ds/0Mi)
% 0.12/0.29  % (14476)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)
% 0.12/0.29  % (14478)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)
% 0.12/0.29  % (14475)fmb+10_1_bce=on:fmbsr=1.5:nm=32_533 on theBenchmark for (533ds/0Mi)
% 0.12/0.29  % (14477)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)
% 0.12/0.29  % (14472)fmb+10_1_bce=on:fmbas=function:fmbsr=1.2:fde=unused:nm=0_846 on theBenchmark for (846ds/0Mi)
% 0.12/0.29  TRYING [1]
% 0.12/0.29  TRYING [2]
% 0.12/0.30  TRYING [3]
% 0.12/0.30  TRYING [1]
% 0.12/0.30  TRYING [2]
% 0.12/0.31  TRYING [4]
% 0.12/0.33  TRYING [3]
% 0.12/0.36  % (14477)First to succeed.
% 0.12/0.36  % (14477)Solution written to "/export/starexec/sandbox2/tmp/vampire-proof-14471"
% 0.12/0.36  % (14477)Refutation found. Thanks to Tanya!
% 0.12/0.36  % SZS status Theorem for theBenchmark
% 0.12/0.36  % SZS output start Proof for theBenchmark
% See solution above
% 0.12/0.36  % (14477)------------------------------
% 0.12/0.36  % (14477)Version: Vampire 4.8 (commit 3a798227e on 2024-05-03 07:42:47 +0200)
% 0.12/0.36  % (14477)Termination reason: Refutation
% 0.12/0.36  
% 0.12/0.36  % (14477)Memory used [KB]: 2109
% 0.12/0.36  % (14477)Time elapsed: 0.075 s
% 0.12/0.36  % (14477)Instructions burned: 283 (million)
% 0.12/0.36  % (14471)Success in time 0.087 s
%------------------------------------------------------------------------------