TSTP Solution File: SET640+3 by Metis---2.4

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Metis---2.4
% Problem  : SET640+3 : TPTP v8.1.0. Released v2.2.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : metis --show proof --show saturation %s

% Computer : n024.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  : 600s
% DateTime : Tue Jul 19 03:36:16 EDT 2022

% Result   : Theorem 0.57s 0.75s
% Output   : CNFRefutation 0.57s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   21
%            Number of leaves      :    8
% Syntax   : Number of formulae    :  100 (  19 unt;   0 def)
%            Number of atoms       :  377 (   0 equ)
%            Maximal formula atoms :   18 (   3 avg)
%            Number of connectives :  475 ( 198   ~; 185   |;  50   &)
%                                         (  12 <=>;  30  =>;   0  <=;   0 <~>)
%            Maximal formula depth :   13 (   5 avg)
%            Maximal term depth    :    4 (   1 avg)
%            Number of predicates  :    5 (   4 usr;   1 prp; 0-2 aty)
%            Number of functors    :   12 (  12 usr;   5 con; 0-2 aty)
%            Number of variables   :  178 (   4 sgn  89   !;  18   ?)

% Comments : 
%------------------------------------------------------------------------------
fof(p4,axiom,
    ! [B] :
      ( ilf_type(B,set_type)
     => ! [C] :
          ( ilf_type(C,set_type)
         => ( ! [D] :
                ( ilf_type(D,subset_type(cross_product(B,C)))
               => ilf_type(D,relation_type(B,C)) )
            & ! [E] :
                ( ilf_type(E,relation_type(B,C))
               => ilf_type(E,subset_type(cross_product(B,C))) ) ) ) ) ).

fof(p6,axiom,
    ! [B] :
      ( ilf_type(B,set_type)
     => ! [C] :
          ( ilf_type(C,set_type)
         => ( subset(B,C)
          <=> ! [D] :
                ( ilf_type(D,set_type)
               => ( member(D,B)
                 => member(D,C) ) ) ) ) ) ).

fof(p8,axiom,
    ! [B] :
      ( ilf_type(B,set_type)
     => ! [C] :
          ( ilf_type(C,set_type)
         => ( ilf_type(C,subset_type(B))
          <=> ilf_type(C,member_type(power_set(B))) ) ) ) ).

fof(p11,axiom,
    ! [B] :
      ( ilf_type(B,set_type)
     => ! [C] :
          ( ilf_type(C,set_type)
         => ( member(B,power_set(C))
          <=> ! [D] :
                ( ilf_type(D,set_type)
               => ( member(D,B)
                 => member(D,C) ) ) ) ) ) ).

fof(p12,axiom,
    ! [B] :
      ( ilf_type(B,set_type)
     => ( ~ empty(power_set(B))
        & ilf_type(power_set(B),set_type) ) ) ).

fof(p13,axiom,
    ! [B] :
      ( ilf_type(B,set_type)
     => ! [C] :
          ( ( ~ empty(C)
            & ilf_type(C,set_type) )
         => ( ilf_type(B,member_type(C))
          <=> member(B,C) ) ) ) ).

fof(p19,axiom,
    ! [B] : ilf_type(B,set_type) ).

fof(prove_relset_1_2,conjecture,
    ! [B] :
      ( ilf_type(B,set_type)
     => ! [C] :
          ( ilf_type(C,set_type)
         => ! [D] :
              ( ilf_type(D,set_type)
             => ! [E] :
                  ( ilf_type(E,relation_type(C,D))
                 => ( subset(B,E)
                   => subset(B,cross_product(C,D)) ) ) ) ) ) ).

fof(subgoal_0,plain,
    ! [B] :
      ( ilf_type(B,set_type)
     => ! [C] :
          ( ilf_type(C,set_type)
         => ! [D] :
              ( ilf_type(D,set_type)
             => ! [E] :
                  ( ( ilf_type(E,relation_type(C,D))
                    & subset(B,E) )
                 => subset(B,cross_product(C,D)) ) ) ) ),
    inference(strip,[],[prove_relset_1_2]) ).

fof(negate_0_0,plain,
    ~ ! [B] :
        ( ilf_type(B,set_type)
       => ! [C] :
            ( ilf_type(C,set_type)
           => ! [D] :
                ( ilf_type(D,set_type)
               => ! [E] :
                    ( ( ilf_type(E,relation_type(C,D))
                      & subset(B,E) )
                   => subset(B,cross_product(C,D)) ) ) ) ),
    inference(negate,[],[subgoal_0]) ).

fof(normalize_0_0,plain,
    ! [B] :
      ( ~ ilf_type(B,set_type)
      | ! [C] :
          ( ~ ilf_type(C,set_type)
          | ( ~ subset(B,C)
          <=> ? [D] :
                ( ~ member(D,C)
                & ilf_type(D,set_type)
                & member(D,B) ) ) ) ),
    inference(canonicalize,[],[p6]) ).

fof(normalize_0_1,plain,
    ! [B] :
      ( ~ ilf_type(B,set_type)
      | ! [C] :
          ( ~ ilf_type(C,set_type)
          | ( ~ subset(B,C)
          <=> ? [D] :
                ( ~ member(D,C)
                & ilf_type(D,set_type)
                & member(D,B) ) ) ) ),
    inference(specialize,[],[normalize_0_0]) ).

fof(normalize_0_2,plain,
    ! [B,C,D] :
      ( ( ~ ilf_type(B,set_type)
        | ~ ilf_type(C,set_type)
        | ~ member(skolemFOFtoCNF_D_1(B,C),C)
        | subset(B,C) )
      & ( ~ ilf_type(B,set_type)
        | ~ ilf_type(C,set_type)
        | ilf_type(skolemFOFtoCNF_D_1(B,C),set_type)
        | subset(B,C) )
      & ( ~ ilf_type(B,set_type)
        | ~ ilf_type(C,set_type)
        | member(skolemFOFtoCNF_D_1(B,C),B)
        | subset(B,C) )
      & ( ~ ilf_type(B,set_type)
        | ~ ilf_type(C,set_type)
        | ~ ilf_type(D,set_type)
        | ~ member(D,B)
        | ~ subset(B,C)
        | member(D,C) ) ),
    inference(clausify,[],[normalize_0_1]) ).

fof(normalize_0_3,plain,
    ! [B,C] :
      ( ~ ilf_type(B,set_type)
      | ~ ilf_type(C,set_type)
      | ~ member(skolemFOFtoCNF_D_1(B,C),C)
      | subset(B,C) ),
    inference(conjunct,[],[normalize_0_2]) ).

fof(normalize_0_4,plain,
    ! [B] : ilf_type(B,set_type),
    inference(canonicalize,[],[p19]) ).

fof(normalize_0_5,plain,
    ! [B] : ilf_type(B,set_type),
    inference(specialize,[],[normalize_0_4]) ).

fof(normalize_0_6,plain,
    ! [B,C] :
      ( ~ ilf_type(B,set_type)
      | ~ ilf_type(C,set_type)
      | member(skolemFOFtoCNF_D_1(B,C),B)
      | subset(B,C) ),
    inference(conjunct,[],[normalize_0_2]) ).

fof(normalize_0_7,plain,
    ? [B] :
      ( ilf_type(B,set_type)
      & ? [C] :
          ( ilf_type(C,set_type)
          & ? [D] :
              ( ilf_type(D,set_type)
              & ? [E] :
                  ( ~ subset(B,cross_product(C,D))
                  & ilf_type(E,relation_type(C,D))
                  & subset(B,E) ) ) ) ),
    inference(canonicalize,[],[negate_0_0]) ).

fof(normalize_0_8,plain,
    ? [B,C] :
      ( ilf_type(C,set_type)
      & ? [D] :
          ( ilf_type(D,set_type)
          & ? [E] :
              ( ~ subset(B,cross_product(C,D))
              & ilf_type(E,relation_type(C,D))
              & subset(B,E) ) ) ),
    inference(simplify,[],[normalize_0_7,normalize_0_5]) ).

fof(normalize_0_9,plain,
    ( ilf_type(skolemFOFtoCNF_C_4,set_type)
    & ? [D] :
        ( ilf_type(D,set_type)
        & ? [E] :
            ( ~ subset(skolemFOFtoCNF_B,cross_product(skolemFOFtoCNF_C_4,D))
            & ilf_type(E,relation_type(skolemFOFtoCNF_C_4,D))
            & subset(skolemFOFtoCNF_B,E) ) ) ),
    inference(skolemize,[],[normalize_0_8]) ).

fof(normalize_0_10,plain,
    ? [D] :
      ( ilf_type(D,set_type)
      & ? [E] :
          ( ~ subset(skolemFOFtoCNF_B,cross_product(skolemFOFtoCNF_C_4,D))
          & ilf_type(E,relation_type(skolemFOFtoCNF_C_4,D))
          & subset(skolemFOFtoCNF_B,E) ) ),
    inference(conjunct,[],[normalize_0_9]) ).

fof(normalize_0_11,plain,
    ( ilf_type(skolemFOFtoCNF_D_4,set_type)
    & ? [E] :
        ( ~ subset(skolemFOFtoCNF_B,cross_product(skolemFOFtoCNF_C_4,skolemFOFtoCNF_D_4))
        & ilf_type(E,relation_type(skolemFOFtoCNF_C_4,skolemFOFtoCNF_D_4))
        & subset(skolemFOFtoCNF_B,E) ) ),
    inference(skolemize,[],[normalize_0_10]) ).

fof(normalize_0_12,plain,
    ? [E] :
      ( ~ subset(skolemFOFtoCNF_B,cross_product(skolemFOFtoCNF_C_4,skolemFOFtoCNF_D_4))
      & ilf_type(E,relation_type(skolemFOFtoCNF_C_4,skolemFOFtoCNF_D_4))
      & subset(skolemFOFtoCNF_B,E) ),
    inference(conjunct,[],[normalize_0_11]) ).

fof(normalize_0_13,plain,
    ( ~ subset(skolemFOFtoCNF_B,cross_product(skolemFOFtoCNF_C_4,skolemFOFtoCNF_D_4))
    & ilf_type(skolemFOFtoCNF_E_2,relation_type(skolemFOFtoCNF_C_4,skolemFOFtoCNF_D_4))
    & subset(skolemFOFtoCNF_B,skolemFOFtoCNF_E_2) ),
    inference(skolemize,[],[normalize_0_12]) ).

fof(normalize_0_14,plain,
    subset(skolemFOFtoCNF_B,skolemFOFtoCNF_E_2),
    inference(conjunct,[],[normalize_0_13]) ).

fof(normalize_0_15,plain,
    ! [B,C,D] :
      ( ~ ilf_type(B,set_type)
      | ~ ilf_type(C,set_type)
      | ~ ilf_type(D,set_type)
      | ~ member(D,B)
      | ~ subset(B,C)
      | member(D,C) ),
    inference(conjunct,[],[normalize_0_2]) ).

fof(normalize_0_16,plain,
    ! [B] :
      ( ~ ilf_type(B,set_type)
      | ! [C] :
          ( ~ ilf_type(C,set_type)
          | empty(C)
          | ( ~ ilf_type(B,member_type(C))
          <=> ~ member(B,C) ) ) ),
    inference(canonicalize,[],[p13]) ).

fof(normalize_0_17,plain,
    ! [B] :
      ( ~ ilf_type(B,set_type)
      | ! [C] :
          ( ~ ilf_type(C,set_type)
          | empty(C)
          | ( ~ ilf_type(B,member_type(C))
          <=> ~ member(B,C) ) ) ),
    inference(specialize,[],[normalize_0_16]) ).

fof(normalize_0_18,plain,
    ! [B,C] :
      ( ( ~ ilf_type(B,member_type(C))
        | ~ ilf_type(B,set_type)
        | ~ ilf_type(C,set_type)
        | empty(C)
        | member(B,C) )
      & ( ~ ilf_type(B,set_type)
        | ~ ilf_type(C,set_type)
        | ~ member(B,C)
        | empty(C)
        | ilf_type(B,member_type(C)) ) ),
    inference(clausify,[],[normalize_0_17]) ).

fof(normalize_0_19,plain,
    ! [B,C] :
      ( ~ ilf_type(B,member_type(C))
      | ~ ilf_type(B,set_type)
      | ~ ilf_type(C,set_type)
      | empty(C)
      | member(B,C) ),
    inference(conjunct,[],[normalize_0_18]) ).

fof(normalize_0_20,plain,
    ! [B] :
      ( ~ ilf_type(B,set_type)
      | ! [C] :
          ( ~ ilf_type(C,set_type)
          | ( ~ ilf_type(C,member_type(power_set(B)))
          <=> ~ ilf_type(C,subset_type(B)) ) ) ),
    inference(canonicalize,[],[p8]) ).

fof(normalize_0_21,plain,
    ! [B] :
      ( ~ ilf_type(B,set_type)
      | ! [C] :
          ( ~ ilf_type(C,set_type)
          | ( ~ ilf_type(C,member_type(power_set(B)))
          <=> ~ ilf_type(C,subset_type(B)) ) ) ),
    inference(specialize,[],[normalize_0_20]) ).

fof(normalize_0_22,plain,
    ! [B,C] :
      ( ( ~ ilf_type(B,set_type)
        | ~ ilf_type(C,member_type(power_set(B)))
        | ~ ilf_type(C,set_type)
        | ilf_type(C,subset_type(B)) )
      & ( ~ ilf_type(B,set_type)
        | ~ ilf_type(C,set_type)
        | ~ ilf_type(C,subset_type(B))
        | ilf_type(C,member_type(power_set(B))) ) ),
    inference(clausify,[],[normalize_0_21]) ).

fof(normalize_0_23,plain,
    ! [B,C] :
      ( ~ ilf_type(B,set_type)
      | ~ ilf_type(C,set_type)
      | ~ ilf_type(C,subset_type(B))
      | ilf_type(C,member_type(power_set(B))) ),
    inference(conjunct,[],[normalize_0_22]) ).

fof(normalize_0_24,plain,
    ilf_type(skolemFOFtoCNF_E_2,relation_type(skolemFOFtoCNF_C_4,skolemFOFtoCNF_D_4)),
    inference(conjunct,[],[normalize_0_13]) ).

fof(normalize_0_25,plain,
    ! [B] :
      ( ~ ilf_type(B,set_type)
      | ! [C] :
          ( ~ ilf_type(C,set_type)
          | ( ! [D] :
                ( ~ ilf_type(D,subset_type(cross_product(B,C)))
                | ilf_type(D,relation_type(B,C)) )
            & ! [E] :
                ( ~ ilf_type(E,relation_type(B,C))
                | ilf_type(E,subset_type(cross_product(B,C))) ) ) ) ),
    inference(canonicalize,[],[p4]) ).

fof(normalize_0_26,plain,
    ! [B] :
      ( ~ ilf_type(B,set_type)
      | ! [C] :
          ( ~ ilf_type(C,set_type)
          | ( ! [D] :
                ( ~ ilf_type(D,subset_type(cross_product(B,C)))
                | ilf_type(D,relation_type(B,C)) )
            & ! [E] :
                ( ~ ilf_type(E,relation_type(B,C))
                | ilf_type(E,subset_type(cross_product(B,C))) ) ) ) ),
    inference(specialize,[],[normalize_0_25]) ).

fof(normalize_0_27,plain,
    ! [B,C,D,E] :
      ( ( ~ ilf_type(B,set_type)
        | ~ ilf_type(C,set_type)
        | ~ ilf_type(D,subset_type(cross_product(B,C)))
        | ilf_type(D,relation_type(B,C)) )
      & ( ~ ilf_type(B,set_type)
        | ~ ilf_type(C,set_type)
        | ~ ilf_type(E,relation_type(B,C))
        | ilf_type(E,subset_type(cross_product(B,C))) ) ),
    inference(clausify,[],[normalize_0_26]) ).

fof(normalize_0_28,plain,
    ! [B,C,E] :
      ( ~ ilf_type(B,set_type)
      | ~ ilf_type(C,set_type)
      | ~ ilf_type(E,relation_type(B,C))
      | ilf_type(E,subset_type(cross_product(B,C))) ),
    inference(conjunct,[],[normalize_0_27]) ).

fof(normalize_0_29,plain,
    ! [B] :
      ( ~ ilf_type(B,set_type)
      | ( ~ empty(power_set(B))
        & ilf_type(power_set(B),set_type) ) ),
    inference(canonicalize,[],[p12]) ).

fof(normalize_0_30,plain,
    ! [B] :
      ( ~ ilf_type(B,set_type)
      | ( ~ empty(power_set(B))
        & ilf_type(power_set(B),set_type) ) ),
    inference(specialize,[],[normalize_0_29]) ).

fof(normalize_0_31,plain,
    ! [B] :
      ( ( ~ empty(power_set(B))
        | ~ ilf_type(B,set_type) )
      & ( ~ ilf_type(B,set_type)
        | ilf_type(power_set(B),set_type) ) ),
    inference(clausify,[],[normalize_0_30]) ).

fof(normalize_0_32,plain,
    ! [B] :
      ( ~ empty(power_set(B))
      | ~ ilf_type(B,set_type) ),
    inference(conjunct,[],[normalize_0_31]) ).

fof(normalize_0_33,plain,
    ! [B] :
      ( ~ ilf_type(B,set_type)
      | ! [C] :
          ( ~ ilf_type(C,set_type)
          | ( ~ member(B,power_set(C))
          <=> ? [D] :
                ( ~ member(D,C)
                & ilf_type(D,set_type)
                & member(D,B) ) ) ) ),
    inference(canonicalize,[],[p11]) ).

fof(normalize_0_34,plain,
    ! [B] :
      ( ~ ilf_type(B,set_type)
      | ! [C] :
          ( ~ ilf_type(C,set_type)
          | ( ~ member(B,power_set(C))
          <=> ? [D] :
                ( ~ member(D,C)
                & ilf_type(D,set_type)
                & member(D,B) ) ) ) ),
    inference(specialize,[],[normalize_0_33]) ).

fof(normalize_0_35,plain,
    ! [B,C,D] :
      ( ( ~ ilf_type(B,set_type)
        | ~ ilf_type(C,set_type)
        | ~ member(skolemFOFtoCNF_D_2(B,C),C)
        | member(B,power_set(C)) )
      & ( ~ ilf_type(B,set_type)
        | ~ ilf_type(C,set_type)
        | ilf_type(skolemFOFtoCNF_D_2(B,C),set_type)
        | member(B,power_set(C)) )
      & ( ~ ilf_type(B,set_type)
        | ~ ilf_type(C,set_type)
        | member(B,power_set(C))
        | member(skolemFOFtoCNF_D_2(B,C),B) )
      & ( ~ ilf_type(B,set_type)
        | ~ ilf_type(C,set_type)
        | ~ ilf_type(D,set_type)
        | ~ member(B,power_set(C))
        | ~ member(D,B)
        | member(D,C) ) ),
    inference(clausify,[],[normalize_0_34]) ).

fof(normalize_0_36,plain,
    ! [B,C,D] :
      ( ~ ilf_type(B,set_type)
      | ~ ilf_type(C,set_type)
      | ~ ilf_type(D,set_type)
      | ~ member(B,power_set(C))
      | ~ member(D,B)
      | member(D,C) ),
    inference(conjunct,[],[normalize_0_35]) ).

fof(normalize_0_37,plain,
    ~ subset(skolemFOFtoCNF_B,cross_product(skolemFOFtoCNF_C_4,skolemFOFtoCNF_D_4)),
    inference(conjunct,[],[normalize_0_13]) ).

cnf(refute_0_0,plain,
    ( ~ ilf_type(B,set_type)
    | ~ ilf_type(C,set_type)
    | ~ member(skolemFOFtoCNF_D_1(B,C),C)
    | subset(B,C) ),
    inference(canonicalize,[],[normalize_0_3]) ).

cnf(refute_0_1,plain,
    ilf_type(B,set_type),
    inference(canonicalize,[],[normalize_0_5]) ).

cnf(refute_0_2,plain,
    ( ~ ilf_type(C,set_type)
    | ~ member(skolemFOFtoCNF_D_1(B,C),C)
    | subset(B,C) ),
    inference(resolve,[$cnf( ilf_type(B,set_type) )],[refute_0_1,refute_0_0]) ).

cnf(refute_0_3,plain,
    ilf_type(C,set_type),
    inference(subst,[],[refute_0_1:[bind(B,$fot(C))]]) ).

cnf(refute_0_4,plain,
    ( ~ member(skolemFOFtoCNF_D_1(B,C),C)
    | subset(B,C) ),
    inference(resolve,[$cnf( ilf_type(C,set_type) )],[refute_0_3,refute_0_2]) ).

cnf(refute_0_5,plain,
    ( ~ member(skolemFOFtoCNF_D_1(skolemFOFtoCNF_B,cross_product(skolemFOFtoCNF_C_4,skolemFOFtoCNF_D_4)),cross_product(skolemFOFtoCNF_C_4,skolemFOFtoCNF_D_4))
    | subset(skolemFOFtoCNF_B,cross_product(skolemFOFtoCNF_C_4,skolemFOFtoCNF_D_4)) ),
    inference(subst,[],[refute_0_4:[bind(B,$fot(skolemFOFtoCNF_B)),bind(C,$fot(cross_product(skolemFOFtoCNF_C_4,skolemFOFtoCNF_D_4)))]]) ).

cnf(refute_0_6,plain,
    ( ~ ilf_type(B,set_type)
    | ~ ilf_type(C,set_type)
    | member(skolemFOFtoCNF_D_1(B,C),B)
    | subset(B,C) ),
    inference(canonicalize,[],[normalize_0_6]) ).

cnf(refute_0_7,plain,
    ( ~ ilf_type(C,set_type)
    | member(skolemFOFtoCNF_D_1(B,C),B)
    | subset(B,C) ),
    inference(resolve,[$cnf( ilf_type(B,set_type) )],[refute_0_1,refute_0_6]) ).

cnf(refute_0_8,plain,
    ( member(skolemFOFtoCNF_D_1(B,C),B)
    | subset(B,C) ),
    inference(resolve,[$cnf( ilf_type(C,set_type) )],[refute_0_3,refute_0_7]) ).

cnf(refute_0_9,plain,
    ( member(skolemFOFtoCNF_D_1(skolemFOFtoCNF_B,C),skolemFOFtoCNF_B)
    | subset(skolemFOFtoCNF_B,C) ),
    inference(subst,[],[refute_0_8:[bind(B,$fot(skolemFOFtoCNF_B))]]) ).

cnf(refute_0_10,plain,
    subset(skolemFOFtoCNF_B,skolemFOFtoCNF_E_2),
    inference(canonicalize,[],[normalize_0_14]) ).

cnf(refute_0_11,plain,
    ( ~ ilf_type(B,set_type)
    | ~ ilf_type(C,set_type)
    | ~ ilf_type(D,set_type)
    | ~ member(D,B)
    | ~ subset(B,C)
    | member(D,C) ),
    inference(canonicalize,[],[normalize_0_15]) ).

cnf(refute_0_12,plain,
    ( ~ ilf_type(C,set_type)
    | ~ ilf_type(D,set_type)
    | ~ member(D,B)
    | ~ subset(B,C)
    | member(D,C) ),
    inference(resolve,[$cnf( ilf_type(B,set_type) )],[refute_0_1,refute_0_11]) ).

cnf(refute_0_13,plain,
    ( ~ ilf_type(D,set_type)
    | ~ member(D,B)
    | ~ subset(B,C)
    | member(D,C) ),
    inference(resolve,[$cnf( ilf_type(C,set_type) )],[refute_0_3,refute_0_12]) ).

cnf(refute_0_14,plain,
    ilf_type(D,set_type),
    inference(subst,[],[refute_0_1:[bind(B,$fot(D))]]) ).

cnf(refute_0_15,plain,
    ( ~ member(D,B)
    | ~ subset(B,C)
    | member(D,C) ),
    inference(resolve,[$cnf( ilf_type(D,set_type) )],[refute_0_14,refute_0_13]) ).

cnf(refute_0_16,plain,
    ( ~ member(X_266,skolemFOFtoCNF_B)
    | ~ subset(skolemFOFtoCNF_B,skolemFOFtoCNF_E_2)
    | member(X_266,skolemFOFtoCNF_E_2) ),
    inference(subst,[],[refute_0_15:[bind(B,$fot(skolemFOFtoCNF_B)),bind(C,$fot(skolemFOFtoCNF_E_2)),bind(D,$fot(X_266))]]) ).

cnf(refute_0_17,plain,
    ( ~ member(X_266,skolemFOFtoCNF_B)
    | member(X_266,skolemFOFtoCNF_E_2) ),
    inference(resolve,[$cnf( subset(skolemFOFtoCNF_B,skolemFOFtoCNF_E_2) )],[refute_0_10,refute_0_16]) ).

cnf(refute_0_18,plain,
    ( ~ member(skolemFOFtoCNF_D_1(skolemFOFtoCNF_B,C),skolemFOFtoCNF_B)
    | member(skolemFOFtoCNF_D_1(skolemFOFtoCNF_B,C),skolemFOFtoCNF_E_2) ),
    inference(subst,[],[refute_0_17:[bind(X_266,$fot(skolemFOFtoCNF_D_1(skolemFOFtoCNF_B,C)))]]) ).

cnf(refute_0_19,plain,
    ( member(skolemFOFtoCNF_D_1(skolemFOFtoCNF_B,C),skolemFOFtoCNF_E_2)
    | subset(skolemFOFtoCNF_B,C) ),
    inference(resolve,[$cnf( member(skolemFOFtoCNF_D_1(skolemFOFtoCNF_B,C),skolemFOFtoCNF_B) )],[refute_0_9,refute_0_18]) ).

cnf(refute_0_20,plain,
    ( ~ ilf_type(B,member_type(C))
    | ~ ilf_type(B,set_type)
    | ~ ilf_type(C,set_type)
    | empty(C)
    | member(B,C) ),
    inference(canonicalize,[],[normalize_0_19]) ).

cnf(refute_0_21,plain,
    ( ~ ilf_type(B,member_type(C))
    | ~ ilf_type(C,set_type)
    | empty(C)
    | member(B,C) ),
    inference(resolve,[$cnf( ilf_type(B,set_type) )],[refute_0_1,refute_0_20]) ).

cnf(refute_0_22,plain,
    ( ~ ilf_type(B,member_type(C))
    | empty(C)
    | member(B,C) ),
    inference(resolve,[$cnf( ilf_type(C,set_type) )],[refute_0_3,refute_0_21]) ).

cnf(refute_0_23,plain,
    ( ~ ilf_type(skolemFOFtoCNF_E_2,member_type(power_set(cross_product(skolemFOFtoCNF_C_4,skolemFOFtoCNF_D_4))))
    | empty(power_set(cross_product(skolemFOFtoCNF_C_4,skolemFOFtoCNF_D_4)))
    | member(skolemFOFtoCNF_E_2,power_set(cross_product(skolemFOFtoCNF_C_4,skolemFOFtoCNF_D_4))) ),
    inference(subst,[],[refute_0_22:[bind(B,$fot(skolemFOFtoCNF_E_2)),bind(C,$fot(power_set(cross_product(skolemFOFtoCNF_C_4,skolemFOFtoCNF_D_4))))]]) ).

cnf(refute_0_24,plain,
    ( ~ ilf_type(B,set_type)
    | ~ ilf_type(C,set_type)
    | ~ ilf_type(C,subset_type(B))
    | ilf_type(C,member_type(power_set(B))) ),
    inference(canonicalize,[],[normalize_0_23]) ).

cnf(refute_0_25,plain,
    ( ~ ilf_type(C,set_type)
    | ~ ilf_type(C,subset_type(B))
    | ilf_type(C,member_type(power_set(B))) ),
    inference(resolve,[$cnf( ilf_type(B,set_type) )],[refute_0_1,refute_0_24]) ).

cnf(refute_0_26,plain,
    ( ~ ilf_type(C,subset_type(B))
    | ilf_type(C,member_type(power_set(B))) ),
    inference(resolve,[$cnf( ilf_type(C,set_type) )],[refute_0_3,refute_0_25]) ).

cnf(refute_0_27,plain,
    ( ~ ilf_type(skolemFOFtoCNF_E_2,subset_type(cross_product(skolemFOFtoCNF_C_4,skolemFOFtoCNF_D_4)))
    | ilf_type(skolemFOFtoCNF_E_2,member_type(power_set(cross_product(skolemFOFtoCNF_C_4,skolemFOFtoCNF_D_4)))) ),
    inference(subst,[],[refute_0_26:[bind(B,$fot(cross_product(skolemFOFtoCNF_C_4,skolemFOFtoCNF_D_4))),bind(C,$fot(skolemFOFtoCNF_E_2))]]) ).

cnf(refute_0_28,plain,
    ilf_type(skolemFOFtoCNF_E_2,relation_type(skolemFOFtoCNF_C_4,skolemFOFtoCNF_D_4)),
    inference(canonicalize,[],[normalize_0_24]) ).

cnf(refute_0_29,plain,
    ( ~ ilf_type(B,set_type)
    | ~ ilf_type(C,set_type)
    | ~ ilf_type(E,relation_type(B,C))
    | ilf_type(E,subset_type(cross_product(B,C))) ),
    inference(canonicalize,[],[normalize_0_28]) ).

cnf(refute_0_30,plain,
    ( ~ ilf_type(C,set_type)
    | ~ ilf_type(E,relation_type(B,C))
    | ilf_type(E,subset_type(cross_product(B,C))) ),
    inference(resolve,[$cnf( ilf_type(B,set_type) )],[refute_0_1,refute_0_29]) ).

cnf(refute_0_31,plain,
    ( ~ ilf_type(E,relation_type(B,C))
    | ilf_type(E,subset_type(cross_product(B,C))) ),
    inference(resolve,[$cnf( ilf_type(C,set_type) )],[refute_0_3,refute_0_30]) ).

cnf(refute_0_32,plain,
    ( ~ ilf_type(skolemFOFtoCNF_E_2,relation_type(skolemFOFtoCNF_C_4,skolemFOFtoCNF_D_4))
    | ilf_type(skolemFOFtoCNF_E_2,subset_type(cross_product(skolemFOFtoCNF_C_4,skolemFOFtoCNF_D_4))) ),
    inference(subst,[],[refute_0_31:[bind(B,$fot(skolemFOFtoCNF_C_4)),bind(C,$fot(skolemFOFtoCNF_D_4)),bind(E,$fot(skolemFOFtoCNF_E_2))]]) ).

cnf(refute_0_33,plain,
    ilf_type(skolemFOFtoCNF_E_2,subset_type(cross_product(skolemFOFtoCNF_C_4,skolemFOFtoCNF_D_4))),
    inference(resolve,[$cnf( ilf_type(skolemFOFtoCNF_E_2,relation_type(skolemFOFtoCNF_C_4,skolemFOFtoCNF_D_4)) )],[refute_0_28,refute_0_32]) ).

cnf(refute_0_34,plain,
    ilf_type(skolemFOFtoCNF_E_2,member_type(power_set(cross_product(skolemFOFtoCNF_C_4,skolemFOFtoCNF_D_4)))),
    inference(resolve,[$cnf( ilf_type(skolemFOFtoCNF_E_2,subset_type(cross_product(skolemFOFtoCNF_C_4,skolemFOFtoCNF_D_4))) )],[refute_0_33,refute_0_27]) ).

cnf(refute_0_35,plain,
    ( empty(power_set(cross_product(skolemFOFtoCNF_C_4,skolemFOFtoCNF_D_4)))
    | member(skolemFOFtoCNF_E_2,power_set(cross_product(skolemFOFtoCNF_C_4,skolemFOFtoCNF_D_4))) ),
    inference(resolve,[$cnf( ilf_type(skolemFOFtoCNF_E_2,member_type(power_set(cross_product(skolemFOFtoCNF_C_4,skolemFOFtoCNF_D_4)))) )],[refute_0_34,refute_0_23]) ).

cnf(refute_0_36,plain,
    ( ~ empty(power_set(B))
    | ~ ilf_type(B,set_type) ),
    inference(canonicalize,[],[normalize_0_32]) ).

cnf(refute_0_37,plain,
    ~ empty(power_set(B)),
    inference(resolve,[$cnf( ilf_type(B,set_type) )],[refute_0_1,refute_0_36]) ).

cnf(refute_0_38,plain,
    ~ empty(power_set(cross_product(skolemFOFtoCNF_C_4,skolemFOFtoCNF_D_4))),
    inference(subst,[],[refute_0_37:[bind(B,$fot(cross_product(skolemFOFtoCNF_C_4,skolemFOFtoCNF_D_4)))]]) ).

cnf(refute_0_39,plain,
    member(skolemFOFtoCNF_E_2,power_set(cross_product(skolemFOFtoCNF_C_4,skolemFOFtoCNF_D_4))),
    inference(resolve,[$cnf( empty(power_set(cross_product(skolemFOFtoCNF_C_4,skolemFOFtoCNF_D_4))) )],[refute_0_35,refute_0_38]) ).

cnf(refute_0_40,plain,
    ( ~ ilf_type(B,set_type)
    | ~ ilf_type(C,set_type)
    | ~ ilf_type(D,set_type)
    | ~ member(B,power_set(C))
    | ~ member(D,B)
    | member(D,C) ),
    inference(canonicalize,[],[normalize_0_36]) ).

cnf(refute_0_41,plain,
    ( ~ ilf_type(C,set_type)
    | ~ ilf_type(D,set_type)
    | ~ member(B,power_set(C))
    | ~ member(D,B)
    | member(D,C) ),
    inference(resolve,[$cnf( ilf_type(B,set_type) )],[refute_0_1,refute_0_40]) ).

cnf(refute_0_42,plain,
    ( ~ ilf_type(D,set_type)
    | ~ member(B,power_set(C))
    | ~ member(D,B)
    | member(D,C) ),
    inference(resolve,[$cnf( ilf_type(C,set_type) )],[refute_0_3,refute_0_41]) ).

cnf(refute_0_43,plain,
    ( ~ member(B,power_set(C))
    | ~ member(D,B)
    | member(D,C) ),
    inference(resolve,[$cnf( ilf_type(D,set_type) )],[refute_0_14,refute_0_42]) ).

cnf(refute_0_44,plain,
    ( ~ member(X_314,skolemFOFtoCNF_E_2)
    | ~ member(skolemFOFtoCNF_E_2,power_set(cross_product(skolemFOFtoCNF_C_4,skolemFOFtoCNF_D_4)))
    | member(X_314,cross_product(skolemFOFtoCNF_C_4,skolemFOFtoCNF_D_4)) ),
    inference(subst,[],[refute_0_43:[bind(B,$fot(skolemFOFtoCNF_E_2)),bind(C,$fot(cross_product(skolemFOFtoCNF_C_4,skolemFOFtoCNF_D_4))),bind(D,$fot(X_314))]]) ).

cnf(refute_0_45,plain,
    ( ~ member(X_314,skolemFOFtoCNF_E_2)
    | member(X_314,cross_product(skolemFOFtoCNF_C_4,skolemFOFtoCNF_D_4)) ),
    inference(resolve,[$cnf( member(skolemFOFtoCNF_E_2,power_set(cross_product(skolemFOFtoCNF_C_4,skolemFOFtoCNF_D_4))) )],[refute_0_39,refute_0_44]) ).

cnf(refute_0_46,plain,
    ( ~ member(skolemFOFtoCNF_D_1(skolemFOFtoCNF_B,C),skolemFOFtoCNF_E_2)
    | member(skolemFOFtoCNF_D_1(skolemFOFtoCNF_B,C),cross_product(skolemFOFtoCNF_C_4,skolemFOFtoCNF_D_4)) ),
    inference(subst,[],[refute_0_45:[bind(X_314,$fot(skolemFOFtoCNF_D_1(skolemFOFtoCNF_B,C)))]]) ).

cnf(refute_0_47,plain,
    ( member(skolemFOFtoCNF_D_1(skolemFOFtoCNF_B,C),cross_product(skolemFOFtoCNF_C_4,skolemFOFtoCNF_D_4))
    | subset(skolemFOFtoCNF_B,C) ),
    inference(resolve,[$cnf( member(skolemFOFtoCNF_D_1(skolemFOFtoCNF_B,C),skolemFOFtoCNF_E_2) )],[refute_0_19,refute_0_46]) ).

cnf(refute_0_48,plain,
    ( member(skolemFOFtoCNF_D_1(skolemFOFtoCNF_B,cross_product(skolemFOFtoCNF_C_4,skolemFOFtoCNF_D_4)),cross_product(skolemFOFtoCNF_C_4,skolemFOFtoCNF_D_4))
    | subset(skolemFOFtoCNF_B,cross_product(skolemFOFtoCNF_C_4,skolemFOFtoCNF_D_4)) ),
    inference(subst,[],[refute_0_47:[bind(C,$fot(cross_product(skolemFOFtoCNF_C_4,skolemFOFtoCNF_D_4)))]]) ).

cnf(refute_0_49,plain,
    subset(skolemFOFtoCNF_B,cross_product(skolemFOFtoCNF_C_4,skolemFOFtoCNF_D_4)),
    inference(resolve,[$cnf( member(skolemFOFtoCNF_D_1(skolemFOFtoCNF_B,cross_product(skolemFOFtoCNF_C_4,skolemFOFtoCNF_D_4)),cross_product(skolemFOFtoCNF_C_4,skolemFOFtoCNF_D_4)) )],[refute_0_48,refute_0_5]) ).

cnf(refute_0_50,plain,
    ~ subset(skolemFOFtoCNF_B,cross_product(skolemFOFtoCNF_C_4,skolemFOFtoCNF_D_4)),
    inference(canonicalize,[],[normalize_0_37]) ).

cnf(refute_0_51,plain,
    $false,
    inference(resolve,[$cnf( subset(skolemFOFtoCNF_B,cross_product(skolemFOFtoCNF_C_4,skolemFOFtoCNF_D_4)) )],[refute_0_49,refute_0_50]) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.03/0.12  % Problem  : SET640+3 : TPTP v8.1.0. Released v2.2.0.
% 0.03/0.12  % Command  : metis --show proof --show saturation %s
% 0.12/0.33  % Computer : n024.cluster.edu
% 0.12/0.33  % Model    : x86_64 x86_64
% 0.12/0.33  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.12/0.33  % Memory   : 8042.1875MB
% 0.12/0.33  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.12/0.33  % CPULimit : 300
% 0.12/0.33  % WCLimit  : 600
% 0.12/0.33  % DateTime : Sun Jul 10 00:33:58 EDT 2022
% 0.12/0.33  % CPUTime  : 
% 0.12/0.34  %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% 0.57/0.75  % SZS status Theorem for /export/starexec/sandbox/benchmark/theBenchmark.p
% 0.57/0.75  
% 0.57/0.75  % SZS output start CNFRefutation for /export/starexec/sandbox/benchmark/theBenchmark.p
% See solution above
% 0.57/0.75  
%------------------------------------------------------------------------------