TSTP Solution File: SET578+3 by Metis---2.4

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Metis---2.4
% Problem  : SET578+3 : TPTP v8.1.0. Released v2.2.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : metis --show proof --show saturation %s

% Computer : n027.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 03:35:34 EDT 2022

% Result   : Theorem 0.39s 0.62s
% Output   : CNFRefutation 0.39s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   25
%            Number of leaves      :    4
% Syntax   : Number of formulae    :   75 (   9 unt;   0 def)
%            Number of atoms       :  205 (  23 equ)
%            Maximal formula atoms :   12 (   2 avg)
%            Number of connectives :  224 (  94   ~;  90   |;  17   &)
%                                         (  19 <=>;   4  =>;   0  <=;   0 <~>)
%            Maximal formula depth :   10 (   4 avg)
%            Maximal term depth    :    3 (   1 avg)
%            Number of predicates  :    5 (   2 usr;   1 prp; 0-2 aty)
%            Number of functors    :    6 (   6 usr;   3 con; 0-2 aty)
%            Number of variables   :  119 (   2 sgn  72   !;   7   ?)

% Comments : 
%------------------------------------------------------------------------------
fof(intersection_defn,axiom,
    ! [B,C,D] :
      ( member(D,intersection(B,C))
    <=> ( member(D,B)
        & member(D,C) ) ) ).

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

fof(equal_member_defn,axiom,
    ! [B,C] :
      ( B = C
    <=> ! [D] :
          ( member(D,B)
        <=> member(D,C) ) ) ).

fof(prove_th19,conjecture,
    ! [B,C,D] :
      ( ! [E] :
          ( member(E,B)
        <=> ( member(E,C)
            & member(E,D) ) )
     => B = intersection(C,D) ) ).

fof(subgoal_0,plain,
    ! [B,C,D] :
      ( ! [E] :
          ( member(E,B)
        <=> ( member(E,C)
            & member(E,D) ) )
     => B = intersection(C,D) ),
    inference(strip,[],[prove_th19]) ).

fof(negate_0_0,plain,
    ~ ! [B,C,D] :
        ( ! [E] :
            ( member(E,B)
          <=> ( member(E,C)
              & member(E,D) ) )
       => B = intersection(C,D) ),
    inference(negate,[],[subgoal_0]) ).

fof(normalize_0_0,plain,
    ? [B,C,D] :
      ( B != intersection(C,D)
      & ! [E] :
          ( ~ member(E,B)
        <=> ( ~ member(E,C)
            | ~ member(E,D) ) ) ),
    inference(canonicalize,[],[negate_0_0]) ).

fof(normalize_0_1,plain,
    ( skolemFOFtoCNF_B != intersection(skolemFOFtoCNF_C,skolemFOFtoCNF_D_2)
    & ! [E] :
        ( ~ member(E,skolemFOFtoCNF_B)
      <=> ( ~ member(E,skolemFOFtoCNF_C)
          | ~ member(E,skolemFOFtoCNF_D_2) ) ) ),
    inference(skolemize,[],[normalize_0_0]) ).

fof(normalize_0_2,plain,
    ! [E] :
      ( ~ member(E,skolemFOFtoCNF_B)
    <=> ( ~ member(E,skolemFOFtoCNF_C)
        | ~ member(E,skolemFOFtoCNF_D_2) ) ),
    inference(conjunct,[],[normalize_0_1]) ).

fof(normalize_0_3,plain,
    ! [E] :
      ( ~ member(E,skolemFOFtoCNF_B)
    <=> ( ~ member(E,skolemFOFtoCNF_C)
        | ~ member(E,skolemFOFtoCNF_D_2) ) ),
    inference(specialize,[],[normalize_0_2]) ).

fof(normalize_0_4,plain,
    ! [E] :
      ( ( ~ member(E,skolemFOFtoCNF_B)
        | member(E,skolemFOFtoCNF_C) )
      & ( ~ member(E,skolemFOFtoCNF_B)
        | member(E,skolemFOFtoCNF_D_2) )
      & ( ~ member(E,skolemFOFtoCNF_C)
        | ~ member(E,skolemFOFtoCNF_D_2)
        | member(E,skolemFOFtoCNF_B) ) ),
    inference(clausify,[],[normalize_0_3]) ).

fof(normalize_0_5,plain,
    ! [E] :
      ( ~ member(E,skolemFOFtoCNF_C)
      | ~ member(E,skolemFOFtoCNF_D_2)
      | member(E,skolemFOFtoCNF_B) ),
    inference(conjunct,[],[normalize_0_4]) ).

fof(normalize_0_6,plain,
    ! [B,C,D] :
      ( ~ member(D,intersection(B,C))
    <=> ( ~ member(D,B)
        | ~ member(D,C) ) ),
    inference(canonicalize,[],[intersection_defn]) ).

fof(normalize_0_7,plain,
    ! [B,C,D] :
      ( ~ member(D,intersection(B,C))
    <=> ( ~ member(D,B)
        | ~ member(D,C) ) ),
    inference(specialize,[],[normalize_0_6]) ).

fof(normalize_0_8,plain,
    ! [B,C,D] :
      ( ( ~ member(D,intersection(B,C))
        | member(D,B) )
      & ( ~ member(D,intersection(B,C))
        | member(D,C) )
      & ( ~ member(D,B)
        | ~ member(D,C)
        | member(D,intersection(B,C)) ) ),
    inference(clausify,[],[normalize_0_7]) ).

fof(normalize_0_9,plain,
    ! [B,C,D] :
      ( ~ member(D,intersection(B,C))
      | member(D,C) ),
    inference(conjunct,[],[normalize_0_8]) ).

fof(normalize_0_10,plain,
    ! [B,C] :
      ( B != C
    <=> ? [D] :
          ( ~ member(D,B)
        <=> member(D,C) ) ),
    inference(canonicalize,[],[equal_member_defn]) ).

fof(normalize_0_11,plain,
    ! [B,C] :
      ( B != C
    <=> ? [D] :
          ( ~ member(D,B)
        <=> member(D,C) ) ),
    inference(specialize,[],[normalize_0_10]) ).

fof(normalize_0_12,plain,
    ! [B,C,D] :
      ( ( B != C
        | ~ member(D,B)
        | member(D,C) )
      & ( B != C
        | ~ member(D,C)
        | member(D,B) )
      & ( ~ member(skolemFOFtoCNF_D_1(B,C),B)
        | ~ member(skolemFOFtoCNF_D_1(B,C),C)
        | B = C )
      & ( B = C
        | member(skolemFOFtoCNF_D_1(B,C),B)
        | member(skolemFOFtoCNF_D_1(B,C),C) ) ),
    inference(clausify,[],[normalize_0_11]) ).

fof(normalize_0_13,plain,
    ! [B,C] :
      ( B = C
      | member(skolemFOFtoCNF_D_1(B,C),B)
      | member(skolemFOFtoCNF_D_1(B,C),C) ),
    inference(conjunct,[],[normalize_0_12]) ).

fof(normalize_0_14,plain,
    ! [B,C] :
      ( ~ subset(B,C)
    <=> ? [D] :
          ( ~ member(D,C)
          & member(D,B) ) ),
    inference(canonicalize,[],[subset_defn]) ).

fof(normalize_0_15,plain,
    ! [B,C] :
      ( ~ subset(B,C)
    <=> ? [D] :
          ( ~ member(D,C)
          & member(D,B) ) ),
    inference(specialize,[],[normalize_0_14]) ).

fof(normalize_0_16,plain,
    ! [B,C,D] :
      ( ( ~ member(skolemFOFtoCNF_D(B,C),C)
        | subset(B,C) )
      & ( member(skolemFOFtoCNF_D(B,C),B)
        | subset(B,C) )
      & ( ~ member(D,B)
        | ~ subset(B,C)
        | member(D,C) ) ),
    inference(clausify,[],[normalize_0_15]) ).

fof(normalize_0_17,plain,
    ! [B,C,D] :
      ( ~ member(D,B)
      | ~ subset(B,C)
      | member(D,C) ),
    inference(conjunct,[],[normalize_0_16]) ).

fof(normalize_0_18,plain,
    ! [B,C] :
      ( ~ member(skolemFOFtoCNF_D(B,C),C)
      | subset(B,C) ),
    inference(conjunct,[],[normalize_0_16]) ).

fof(normalize_0_19,plain,
    ! [E] :
      ( ~ member(E,skolemFOFtoCNF_B)
      | member(E,skolemFOFtoCNF_D_2) ),
    inference(conjunct,[],[normalize_0_4]) ).

fof(normalize_0_20,plain,
    ! [B,C] :
      ( member(skolemFOFtoCNF_D(B,C),B)
      | subset(B,C) ),
    inference(conjunct,[],[normalize_0_16]) ).

fof(normalize_0_21,plain,
    ! [E] :
      ( ~ member(E,skolemFOFtoCNF_B)
      | member(E,skolemFOFtoCNF_C) ),
    inference(conjunct,[],[normalize_0_4]) ).

fof(normalize_0_22,plain,
    ! [B,C,D] :
      ( ~ member(D,B)
      | ~ member(D,C)
      | member(D,intersection(B,C)) ),
    inference(conjunct,[],[normalize_0_8]) ).

fof(normalize_0_23,plain,
    skolemFOFtoCNF_B != intersection(skolemFOFtoCNF_C,skolemFOFtoCNF_D_2),
    inference(conjunct,[],[normalize_0_1]) ).

fof(normalize_0_24,plain,
    ! [B,C,D] :
      ( ~ member(D,intersection(B,C))
      | member(D,B) ),
    inference(conjunct,[],[normalize_0_8]) ).

fof(normalize_0_25,plain,
    ! [B,C] :
      ( ~ member(skolemFOFtoCNF_D_1(B,C),B)
      | ~ member(skolemFOFtoCNF_D_1(B,C),C)
      | B = C ),
    inference(conjunct,[],[normalize_0_12]) ).

cnf(refute_0_0,plain,
    ( ~ member(E,skolemFOFtoCNF_C)
    | ~ member(E,skolemFOFtoCNF_D_2)
    | member(E,skolemFOFtoCNF_B) ),
    inference(canonicalize,[],[normalize_0_5]) ).

cnf(refute_0_1,plain,
    ( ~ member(skolemFOFtoCNF_D_1(skolemFOFtoCNF_B,intersection(skolemFOFtoCNF_C,skolemFOFtoCNF_D_2)),skolemFOFtoCNF_C)
    | ~ member(skolemFOFtoCNF_D_1(skolemFOFtoCNF_B,intersection(skolemFOFtoCNF_C,skolemFOFtoCNF_D_2)),skolemFOFtoCNF_D_2)
    | member(skolemFOFtoCNF_D_1(skolemFOFtoCNF_B,intersection(skolemFOFtoCNF_C,skolemFOFtoCNF_D_2)),skolemFOFtoCNF_B) ),
    inference(subst,[],[refute_0_0:[bind(E,$fot(skolemFOFtoCNF_D_1(skolemFOFtoCNF_B,intersection(skolemFOFtoCNF_C,skolemFOFtoCNF_D_2))))]]) ).

cnf(refute_0_2,plain,
    ( ~ member(D,intersection(B,C))
    | member(D,C) ),
    inference(canonicalize,[],[normalize_0_9]) ).

cnf(refute_0_3,plain,
    ( ~ member(skolemFOFtoCNF_D_1(skolemFOFtoCNF_B,intersection(skolemFOFtoCNF_C,skolemFOFtoCNF_D_2)),intersection(skolemFOFtoCNF_C,skolemFOFtoCNF_D_2))
    | member(skolemFOFtoCNF_D_1(skolemFOFtoCNF_B,intersection(skolemFOFtoCNF_C,skolemFOFtoCNF_D_2)),skolemFOFtoCNF_D_2) ),
    inference(subst,[],[refute_0_2:[bind(B,$fot(skolemFOFtoCNF_C)),bind(C,$fot(skolemFOFtoCNF_D_2)),bind(D,$fot(skolemFOFtoCNF_D_1(skolemFOFtoCNF_B,intersection(skolemFOFtoCNF_C,skolemFOFtoCNF_D_2))))]]) ).

cnf(refute_0_4,plain,
    ( B = C
    | member(skolemFOFtoCNF_D_1(B,C),B)
    | member(skolemFOFtoCNF_D_1(B,C),C) ),
    inference(canonicalize,[],[normalize_0_13]) ).

cnf(refute_0_5,plain,
    ( skolemFOFtoCNF_B = C
    | member(skolemFOFtoCNF_D_1(skolemFOFtoCNF_B,C),C)
    | member(skolemFOFtoCNF_D_1(skolemFOFtoCNF_B,C),skolemFOFtoCNF_B) ),
    inference(subst,[],[refute_0_4:[bind(B,$fot(skolemFOFtoCNF_B))]]) ).

cnf(refute_0_6,plain,
    ( ~ member(D,B)
    | ~ subset(B,C)
    | member(D,C) ),
    inference(canonicalize,[],[normalize_0_17]) ).

cnf(refute_0_7,plain,
    ( ~ member(D,skolemFOFtoCNF_B)
    | ~ subset(skolemFOFtoCNF_B,intersection(skolemFOFtoCNF_C,skolemFOFtoCNF_D_2))
    | member(D,intersection(skolemFOFtoCNF_C,skolemFOFtoCNF_D_2)) ),
    inference(subst,[],[refute_0_6:[bind(B,$fot(skolemFOFtoCNF_B)),bind(C,$fot(intersection(skolemFOFtoCNF_C,skolemFOFtoCNF_D_2)))]]) ).

cnf(refute_0_8,plain,
    ( ~ member(skolemFOFtoCNF_D(B,C),C)
    | subset(B,C) ),
    inference(canonicalize,[],[normalize_0_18]) ).

cnf(refute_0_9,plain,
    ( ~ member(skolemFOFtoCNF_D(skolemFOFtoCNF_B,intersection(skolemFOFtoCNF_C,skolemFOFtoCNF_D_2)),intersection(skolemFOFtoCNF_C,skolemFOFtoCNF_D_2))
    | subset(skolemFOFtoCNF_B,intersection(skolemFOFtoCNF_C,skolemFOFtoCNF_D_2)) ),
    inference(subst,[],[refute_0_8:[bind(B,$fot(skolemFOFtoCNF_B)),bind(C,$fot(intersection(skolemFOFtoCNF_C,skolemFOFtoCNF_D_2)))]]) ).

cnf(refute_0_10,plain,
    ( ~ member(E,skolemFOFtoCNF_B)
    | member(E,skolemFOFtoCNF_D_2) ),
    inference(canonicalize,[],[normalize_0_19]) ).

cnf(refute_0_11,plain,
    ( ~ member(skolemFOFtoCNF_D(skolemFOFtoCNF_B,X_8),skolemFOFtoCNF_B)
    | member(skolemFOFtoCNF_D(skolemFOFtoCNF_B,X_8),skolemFOFtoCNF_D_2) ),
    inference(subst,[],[refute_0_10:[bind(E,$fot(skolemFOFtoCNF_D(skolemFOFtoCNF_B,X_8)))]]) ).

cnf(refute_0_12,plain,
    ( member(skolemFOFtoCNF_D(B,C),B)
    | subset(B,C) ),
    inference(canonicalize,[],[normalize_0_20]) ).

cnf(refute_0_13,plain,
    ( member(skolemFOFtoCNF_D(skolemFOFtoCNF_B,X_8),skolemFOFtoCNF_B)
    | subset(skolemFOFtoCNF_B,X_8) ),
    inference(subst,[],[refute_0_12:[bind(B,$fot(skolemFOFtoCNF_B)),bind(C,$fot(X_8))]]) ).

cnf(refute_0_14,plain,
    ( member(skolemFOFtoCNF_D(skolemFOFtoCNF_B,X_8),skolemFOFtoCNF_D_2)
    | subset(skolemFOFtoCNF_B,X_8) ),
    inference(resolve,[$cnf( member(skolemFOFtoCNF_D(skolemFOFtoCNF_B,X_8),skolemFOFtoCNF_B) )],[refute_0_13,refute_0_11]) ).

cnf(refute_0_15,plain,
    ( member(skolemFOFtoCNF_D(skolemFOFtoCNF_B,X_239),skolemFOFtoCNF_D_2)
    | subset(skolemFOFtoCNF_B,X_239) ),
    inference(subst,[],[refute_0_14:[bind(X_8,$fot(X_239))]]) ).

cnf(refute_0_16,plain,
    ( ~ member(E,skolemFOFtoCNF_B)
    | member(E,skolemFOFtoCNF_C) ),
    inference(canonicalize,[],[normalize_0_21]) ).

cnf(refute_0_17,plain,
    ( ~ member(skolemFOFtoCNF_D(skolemFOFtoCNF_B,X_8),skolemFOFtoCNF_B)
    | member(skolemFOFtoCNF_D(skolemFOFtoCNF_B,X_8),skolemFOFtoCNF_C) ),
    inference(subst,[],[refute_0_16:[bind(E,$fot(skolemFOFtoCNF_D(skolemFOFtoCNF_B,X_8)))]]) ).

cnf(refute_0_18,plain,
    ( member(skolemFOFtoCNF_D(skolemFOFtoCNF_B,X_8),skolemFOFtoCNF_C)
    | subset(skolemFOFtoCNF_B,X_8) ),
    inference(resolve,[$cnf( member(skolemFOFtoCNF_D(skolemFOFtoCNF_B,X_8),skolemFOFtoCNF_B) )],[refute_0_13,refute_0_17]) ).

cnf(refute_0_19,plain,
    ( ~ member(D,B)
    | ~ member(D,C)
    | member(D,intersection(B,C)) ),
    inference(canonicalize,[],[normalize_0_22]) ).

cnf(refute_0_20,plain,
    ( ~ member(skolemFOFtoCNF_D(skolemFOFtoCNF_B,X_8),X_112)
    | ~ member(skolemFOFtoCNF_D(skolemFOFtoCNF_B,X_8),skolemFOFtoCNF_C)
    | member(skolemFOFtoCNF_D(skolemFOFtoCNF_B,X_8),intersection(skolemFOFtoCNF_C,X_112)) ),
    inference(subst,[],[refute_0_19:[bind(B,$fot(skolemFOFtoCNF_C)),bind(C,$fot(X_112)),bind(D,$fot(skolemFOFtoCNF_D(skolemFOFtoCNF_B,X_8)))]]) ).

cnf(refute_0_21,plain,
    ( ~ member(skolemFOFtoCNF_D(skolemFOFtoCNF_B,X_8),X_112)
    | member(skolemFOFtoCNF_D(skolemFOFtoCNF_B,X_8),intersection(skolemFOFtoCNF_C,X_112))
    | subset(skolemFOFtoCNF_B,X_8) ),
    inference(resolve,[$cnf( member(skolemFOFtoCNF_D(skolemFOFtoCNF_B,X_8),skolemFOFtoCNF_C) )],[refute_0_18,refute_0_20]) ).

cnf(refute_0_22,plain,
    ( ~ member(skolemFOFtoCNF_D(skolemFOFtoCNF_B,X_239),skolemFOFtoCNF_D_2)
    | member(skolemFOFtoCNF_D(skolemFOFtoCNF_B,X_239),intersection(skolemFOFtoCNF_C,skolemFOFtoCNF_D_2))
    | subset(skolemFOFtoCNF_B,X_239) ),
    inference(subst,[],[refute_0_21:[bind(X_112,$fot(skolemFOFtoCNF_D_2)),bind(X_8,$fot(X_239))]]) ).

cnf(refute_0_23,plain,
    ( member(skolemFOFtoCNF_D(skolemFOFtoCNF_B,X_239),intersection(skolemFOFtoCNF_C,skolemFOFtoCNF_D_2))
    | subset(skolemFOFtoCNF_B,X_239) ),
    inference(resolve,[$cnf( member(skolemFOFtoCNF_D(skolemFOFtoCNF_B,X_239),skolemFOFtoCNF_D_2) )],[refute_0_15,refute_0_22]) ).

cnf(refute_0_24,plain,
    ( member(skolemFOFtoCNF_D(skolemFOFtoCNF_B,intersection(skolemFOFtoCNF_C,skolemFOFtoCNF_D_2)),intersection(skolemFOFtoCNF_C,skolemFOFtoCNF_D_2))
    | subset(skolemFOFtoCNF_B,intersection(skolemFOFtoCNF_C,skolemFOFtoCNF_D_2)) ),
    inference(subst,[],[refute_0_23:[bind(X_239,$fot(intersection(skolemFOFtoCNF_C,skolemFOFtoCNF_D_2)))]]) ).

cnf(refute_0_25,plain,
    subset(skolemFOFtoCNF_B,intersection(skolemFOFtoCNF_C,skolemFOFtoCNF_D_2)),
    inference(resolve,[$cnf( member(skolemFOFtoCNF_D(skolemFOFtoCNF_B,intersection(skolemFOFtoCNF_C,skolemFOFtoCNF_D_2)),intersection(skolemFOFtoCNF_C,skolemFOFtoCNF_D_2)) )],[refute_0_24,refute_0_9]) ).

cnf(refute_0_26,plain,
    ( ~ member(D,skolemFOFtoCNF_B)
    | member(D,intersection(skolemFOFtoCNF_C,skolemFOFtoCNF_D_2)) ),
    inference(resolve,[$cnf( subset(skolemFOFtoCNF_B,intersection(skolemFOFtoCNF_C,skolemFOFtoCNF_D_2)) )],[refute_0_25,refute_0_7]) ).

cnf(refute_0_27,plain,
    ( ~ member(skolemFOFtoCNF_D_1(skolemFOFtoCNF_B,C),skolemFOFtoCNF_B)
    | member(skolemFOFtoCNF_D_1(skolemFOFtoCNF_B,C),intersection(skolemFOFtoCNF_C,skolemFOFtoCNF_D_2)) ),
    inference(subst,[],[refute_0_26:[bind(D,$fot(skolemFOFtoCNF_D_1(skolemFOFtoCNF_B,C)))]]) ).

cnf(refute_0_28,plain,
    ( skolemFOFtoCNF_B = C
    | member(skolemFOFtoCNF_D_1(skolemFOFtoCNF_B,C),C)
    | member(skolemFOFtoCNF_D_1(skolemFOFtoCNF_B,C),intersection(skolemFOFtoCNF_C,skolemFOFtoCNF_D_2)) ),
    inference(resolve,[$cnf( member(skolemFOFtoCNF_D_1(skolemFOFtoCNF_B,C),skolemFOFtoCNF_B) )],[refute_0_5,refute_0_27]) ).

cnf(refute_0_29,plain,
    ( skolemFOFtoCNF_B = intersection(skolemFOFtoCNF_C,skolemFOFtoCNF_D_2)
    | member(skolemFOFtoCNF_D_1(skolemFOFtoCNF_B,intersection(skolemFOFtoCNF_C,skolemFOFtoCNF_D_2)),intersection(skolemFOFtoCNF_C,skolemFOFtoCNF_D_2)) ),
    inference(subst,[],[refute_0_28:[bind(C,$fot(intersection(skolemFOFtoCNF_C,skolemFOFtoCNF_D_2)))]]) ).

cnf(refute_0_30,plain,
    skolemFOFtoCNF_B != intersection(skolemFOFtoCNF_C,skolemFOFtoCNF_D_2),
    inference(canonicalize,[],[normalize_0_23]) ).

cnf(refute_0_31,plain,
    member(skolemFOFtoCNF_D_1(skolemFOFtoCNF_B,intersection(skolemFOFtoCNF_C,skolemFOFtoCNF_D_2)),intersection(skolemFOFtoCNF_C,skolemFOFtoCNF_D_2)),
    inference(resolve,[$cnf( $equal(skolemFOFtoCNF_B,intersection(skolemFOFtoCNF_C,skolemFOFtoCNF_D_2)) )],[refute_0_29,refute_0_30]) ).

cnf(refute_0_32,plain,
    member(skolemFOFtoCNF_D_1(skolemFOFtoCNF_B,intersection(skolemFOFtoCNF_C,skolemFOFtoCNF_D_2)),skolemFOFtoCNF_D_2),
    inference(resolve,[$cnf( member(skolemFOFtoCNF_D_1(skolemFOFtoCNF_B,intersection(skolemFOFtoCNF_C,skolemFOFtoCNF_D_2)),intersection(skolemFOFtoCNF_C,skolemFOFtoCNF_D_2)) )],[refute_0_31,refute_0_3]) ).

cnf(refute_0_33,plain,
    ( ~ member(skolemFOFtoCNF_D_1(skolemFOFtoCNF_B,intersection(skolemFOFtoCNF_C,skolemFOFtoCNF_D_2)),skolemFOFtoCNF_C)
    | member(skolemFOFtoCNF_D_1(skolemFOFtoCNF_B,intersection(skolemFOFtoCNF_C,skolemFOFtoCNF_D_2)),skolemFOFtoCNF_B) ),
    inference(resolve,[$cnf( member(skolemFOFtoCNF_D_1(skolemFOFtoCNF_B,intersection(skolemFOFtoCNF_C,skolemFOFtoCNF_D_2)),skolemFOFtoCNF_D_2) )],[refute_0_32,refute_0_1]) ).

cnf(refute_0_34,plain,
    ( ~ member(D,intersection(B,C))
    | member(D,B) ),
    inference(canonicalize,[],[normalize_0_24]) ).

cnf(refute_0_35,plain,
    ( ~ member(skolemFOFtoCNF_D_1(skolemFOFtoCNF_B,intersection(skolemFOFtoCNF_C,skolemFOFtoCNF_D_2)),intersection(skolemFOFtoCNF_C,skolemFOFtoCNF_D_2))
    | member(skolemFOFtoCNF_D_1(skolemFOFtoCNF_B,intersection(skolemFOFtoCNF_C,skolemFOFtoCNF_D_2)),skolemFOFtoCNF_C) ),
    inference(subst,[],[refute_0_34:[bind(B,$fot(skolemFOFtoCNF_C)),bind(C,$fot(skolemFOFtoCNF_D_2)),bind(D,$fot(skolemFOFtoCNF_D_1(skolemFOFtoCNF_B,intersection(skolemFOFtoCNF_C,skolemFOFtoCNF_D_2))))]]) ).

cnf(refute_0_36,plain,
    member(skolemFOFtoCNF_D_1(skolemFOFtoCNF_B,intersection(skolemFOFtoCNF_C,skolemFOFtoCNF_D_2)),skolemFOFtoCNF_C),
    inference(resolve,[$cnf( member(skolemFOFtoCNF_D_1(skolemFOFtoCNF_B,intersection(skolemFOFtoCNF_C,skolemFOFtoCNF_D_2)),intersection(skolemFOFtoCNF_C,skolemFOFtoCNF_D_2)) )],[refute_0_31,refute_0_35]) ).

cnf(refute_0_37,plain,
    member(skolemFOFtoCNF_D_1(skolemFOFtoCNF_B,intersection(skolemFOFtoCNF_C,skolemFOFtoCNF_D_2)),skolemFOFtoCNF_B),
    inference(resolve,[$cnf( member(skolemFOFtoCNF_D_1(skolemFOFtoCNF_B,intersection(skolemFOFtoCNF_C,skolemFOFtoCNF_D_2)),skolemFOFtoCNF_C) )],[refute_0_36,refute_0_33]) ).

cnf(refute_0_38,plain,
    ( ~ member(skolemFOFtoCNF_D_1(B,C),B)
    | ~ member(skolemFOFtoCNF_D_1(B,C),C)
    | B = C ),
    inference(canonicalize,[],[normalize_0_25]) ).

cnf(refute_0_39,plain,
    ( ~ member(skolemFOFtoCNF_D_1(skolemFOFtoCNF_B,intersection(skolemFOFtoCNF_C,skolemFOFtoCNF_D_2)),intersection(skolemFOFtoCNF_C,skolemFOFtoCNF_D_2))
    | ~ member(skolemFOFtoCNF_D_1(skolemFOFtoCNF_B,intersection(skolemFOFtoCNF_C,skolemFOFtoCNF_D_2)),skolemFOFtoCNF_B)
    | skolemFOFtoCNF_B = intersection(skolemFOFtoCNF_C,skolemFOFtoCNF_D_2) ),
    inference(subst,[],[refute_0_38:[bind(B,$fot(skolemFOFtoCNF_B)),bind(C,$fot(intersection(skolemFOFtoCNF_C,skolemFOFtoCNF_D_2)))]]) ).

cnf(refute_0_40,plain,
    ( ~ member(skolemFOFtoCNF_D_1(skolemFOFtoCNF_B,intersection(skolemFOFtoCNF_C,skolemFOFtoCNF_D_2)),skolemFOFtoCNF_B)
    | skolemFOFtoCNF_B = intersection(skolemFOFtoCNF_C,skolemFOFtoCNF_D_2) ),
    inference(resolve,[$cnf( member(skolemFOFtoCNF_D_1(skolemFOFtoCNF_B,intersection(skolemFOFtoCNF_C,skolemFOFtoCNF_D_2)),intersection(skolemFOFtoCNF_C,skolemFOFtoCNF_D_2)) )],[refute_0_31,refute_0_39]) ).

cnf(refute_0_41,plain,
    ~ member(skolemFOFtoCNF_D_1(skolemFOFtoCNF_B,intersection(skolemFOFtoCNF_C,skolemFOFtoCNF_D_2)),skolemFOFtoCNF_B),
    inference(resolve,[$cnf( $equal(skolemFOFtoCNF_B,intersection(skolemFOFtoCNF_C,skolemFOFtoCNF_D_2)) )],[refute_0_40,refute_0_30]) ).

cnf(refute_0_42,plain,
    $false,
    inference(resolve,[$cnf( member(skolemFOFtoCNF_D_1(skolemFOFtoCNF_B,intersection(skolemFOFtoCNF_C,skolemFOFtoCNF_D_2)),skolemFOFtoCNF_B) )],[refute_0_37,refute_0_41]) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.07/0.12  % Problem  : SET578+3 : TPTP v8.1.0. Released v2.2.0.
% 0.07/0.13  % Command  : metis --show proof --show saturation %s
% 0.13/0.34  % Computer : n027.cluster.edu
% 0.13/0.34  % Model    : x86_64 x86_64
% 0.13/0.34  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.13/0.34  % Memory   : 8042.1875MB
% 0.13/0.34  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.13/0.34  % CPULimit : 300
% 0.13/0.34  % WCLimit  : 600
% 0.13/0.34  % DateTime : Sun Jul 10 05:23:02 EDT 2022
% 0.13/0.34  % CPUTime  : 
% 0.13/0.35  %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% 0.39/0.62  % SZS status Theorem for /export/starexec/sandbox2/benchmark/theBenchmark.p
% 0.39/0.62  
% 0.39/0.62  % SZS output start CNFRefutation for /export/starexec/sandbox2/benchmark/theBenchmark.p
% See solution above
% 0.39/0.62  
%------------------------------------------------------------------------------