TSTP Solution File: NUM394+1 by Metis---2.4

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%------------------------------------------------------------------------------
% File     : Metis---2.4
% Problem  : NUM394+1 : TPTP v8.1.0. Released v3.2.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : metis --show proof --show saturation %s

% Computer : n017.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 : Mon Jul 18 12:26:23 EDT 2022

% Result   : Theorem 3.24s 3.50s
% Output   : CNFRefutation 3.24s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   33
%            Number of leaves      :   21
% Syntax   : Number of formulae    :  130 (  26 unt;   0 def)
%            Number of atoms       :  334 (  50 equ)
%            Maximal formula atoms :    8 (   2 avg)
%            Number of connectives :  363 ( 159   ~; 157   |;  26   &)
%                                         (   6 <=>;  15  =>;   0  <=;   0 <~>)
%            Maximal formula depth :    9 (   4 avg)
%            Maximal term depth    :    2 (   1 avg)
%            Number of predicates  :   11 (   8 usr;   1 prp; 0-2 aty)
%            Number of functors    :    4 (   4 usr;   3 con; 0-1 aty)
%            Number of variables   :  121 (   6 sgn  81   !;   4   ?)

% Comments : 
%------------------------------------------------------------------------------
fof(antisymmetry_r2_hidden,axiom,
    ! [A,B] :
      ( in(A,B)
     => ~ in(B,A) ) ).

fof(connectedness_r1_ordinal1,axiom,
    ! [A,B] :
      ( ( ordinal(A)
        & ordinal(B) )
     => ( ordinal_subset(A,B)
        | ordinal_subset(B,A) ) ) ).

fof(fc12_relat_1,axiom,
    ( empty(empty_set)
    & relation(empty_set)
    & relation_empty_yielding(empty_set) ) ).

fof(redefinition_r1_ordinal1,axiom,
    ! [A,B] :
      ( ( ordinal(A)
        & ordinal(B) )
     => ( ordinal_subset(A,B)
      <=> subset(A,B) ) ) ).

fof(reflexivity_r1_ordinal1,axiom,
    ! [A,B] :
      ( ( ordinal(A)
        & ordinal(B) )
     => ordinal_subset(A,A) ) ).

fof(t24_ordinal1,axiom,
    ! [A] :
      ( ordinal(A)
     => ! [B] :
          ( ordinal(B)
         => ~ ( ~ in(A,B)
              & A != B
              & ~ in(B,A) ) ) ) ).

fof(t26_ordinal1,conjecture,
    ! [A] :
      ( ordinal(A)
     => ! [B] :
          ( ordinal(B)
         => ( ordinal_subset(A,B)
            | in(B,A) ) ) ) ).

fof(t2_subset,axiom,
    ! [A,B] :
      ( element(A,B)
     => ( empty(B)
        | in(A,B) ) ) ).

fof(t3_subset,axiom,
    ! [A,B] :
      ( element(A,powerset(B))
    <=> subset(A,B) ) ).

fof(t4_subset,axiom,
    ! [A,B,C] :
      ( ( in(A,B)
        & element(B,powerset(C)) )
     => element(A,C) ) ).

fof(t5_subset,axiom,
    ! [A,B,C] :
      ~ ( in(A,B)
        & element(B,powerset(C))
        & empty(C) ) ).

fof(t6_boole,axiom,
    ! [A] :
      ( empty(A)
     => A = empty_set ) ).

fof(subgoal_0,plain,
    ! [A] :
      ( ordinal(A)
     => ! [B] :
          ( ( ordinal(B)
            & ~ ordinal_subset(A,B) )
         => in(B,A) ) ),
    inference(strip,[],[t26_ordinal1]) ).

fof(negate_0_0,plain,
    ~ ! [A] :
        ( ordinal(A)
       => ! [B] :
            ( ( ordinal(B)
              & ~ ordinal_subset(A,B) )
           => in(B,A) ) ),
    inference(negate,[],[subgoal_0]) ).

fof(normalize_0_0,plain,
    ? [A] :
      ( ordinal(A)
      & ? [B] :
          ( ~ in(B,A)
          & ~ ordinal_subset(A,B)
          & ordinal(B) ) ),
    inference(canonicalize,[],[negate_0_0]) ).

fof(normalize_0_1,plain,
    ( ordinal(skolemFOFtoCNF_A_11)
    & ? [B] :
        ( ~ in(B,skolemFOFtoCNF_A_11)
        & ~ ordinal_subset(skolemFOFtoCNF_A_11,B)
        & ordinal(B) ) ),
    inference(skolemize,[],[normalize_0_0]) ).

fof(normalize_0_2,plain,
    ? [B] :
      ( ~ in(B,skolemFOFtoCNF_A_11)
      & ~ ordinal_subset(skolemFOFtoCNF_A_11,B)
      & ordinal(B) ),
    inference(conjunct,[],[normalize_0_1]) ).

fof(normalize_0_3,plain,
    ( ~ in(skolemFOFtoCNF_B_2,skolemFOFtoCNF_A_11)
    & ~ ordinal_subset(skolemFOFtoCNF_A_11,skolemFOFtoCNF_B_2)
    & ordinal(skolemFOFtoCNF_B_2) ),
    inference(skolemize,[],[normalize_0_2]) ).

fof(normalize_0_4,plain,
    ~ ordinal_subset(skolemFOFtoCNF_A_11,skolemFOFtoCNF_B_2),
    inference(conjunct,[],[normalize_0_3]) ).

fof(normalize_0_5,plain,
    ordinal(skolemFOFtoCNF_B_2),
    inference(conjunct,[],[normalize_0_3]) ).

fof(normalize_0_6,plain,
    ! [A] :
      ( ~ ordinal(A)
      | ordinal_subset(A,A)
      | ! [B] : ~ ordinal(B) ),
    inference(canonicalize,[],[reflexivity_r1_ordinal1]) ).

fof(normalize_0_7,plain,
    ! [A] :
      ( ~ ordinal(A)
      | ordinal_subset(A,A)
      | ! [B] : ~ ordinal(B) ),
    inference(specialize,[],[normalize_0_6]) ).

fof(normalize_0_8,plain,
    ! [A,B] :
      ( ~ ordinal(A)
      | ~ ordinal(B)
      | ordinal_subset(A,A) ),
    inference(clausify,[],[normalize_0_7]) ).

fof(normalize_0_9,plain,
    ! [A] :
      ( ~ empty(A)
      | A = empty_set ),
    inference(canonicalize,[],[t6_boole]) ).

fof(normalize_0_10,plain,
    ! [A] :
      ( ~ empty(A)
      | A = empty_set ),
    inference(specialize,[],[normalize_0_9]) ).

fof(normalize_0_11,plain,
    ! [A,B] :
      ( ~ element(A,B)
      | empty(B)
      | in(A,B) ),
    inference(canonicalize,[],[t2_subset]) ).

fof(normalize_0_12,plain,
    ! [A,B] :
      ( ~ element(A,B)
      | empty(B)
      | in(A,B) ),
    inference(specialize,[],[normalize_0_11]) ).

fof(normalize_0_13,plain,
    ! [A,B] :
      ( ~ element(A,powerset(B))
    <=> ~ subset(A,B) ),
    inference(canonicalize,[],[t3_subset]) ).

fof(normalize_0_14,plain,
    ! [A,B] :
      ( ~ element(A,powerset(B))
    <=> ~ subset(A,B) ),
    inference(specialize,[],[normalize_0_13]) ).

fof(normalize_0_15,plain,
    ! [A,B] :
      ( ( ~ element(A,powerset(B))
        | subset(A,B) )
      & ( ~ subset(A,B)
        | element(A,powerset(B)) ) ),
    inference(clausify,[],[normalize_0_14]) ).

fof(normalize_0_16,plain,
    ! [A,B] :
      ( ~ subset(A,B)
      | element(A,powerset(B)) ),
    inference(conjunct,[],[normalize_0_15]) ).

fof(normalize_0_17,plain,
    ordinal(skolemFOFtoCNF_A_11),
    inference(conjunct,[],[normalize_0_1]) ).

fof(normalize_0_18,plain,
    ! [A,B] :
      ( ~ ordinal(A)
      | ~ ordinal(B)
      | ordinal_subset(A,B)
      | ordinal_subset(B,A) ),
    inference(canonicalize,[],[connectedness_r1_ordinal1]) ).

fof(normalize_0_19,plain,
    ! [A,B] :
      ( ~ ordinal(A)
      | ~ ordinal(B)
      | ordinal_subset(A,B)
      | ordinal_subset(B,A) ),
    inference(specialize,[],[normalize_0_18]) ).

fof(normalize_0_20,plain,
    ! [A,B] :
      ( ~ ordinal(A)
      | ~ ordinal(B)
      | ( ~ ordinal_subset(A,B)
      <=> ~ subset(A,B) ) ),
    inference(canonicalize,[],[redefinition_r1_ordinal1]) ).

fof(normalize_0_21,plain,
    ! [A,B] :
      ( ~ ordinal(A)
      | ~ ordinal(B)
      | ( ~ ordinal_subset(A,B)
      <=> ~ subset(A,B) ) ),
    inference(specialize,[],[normalize_0_20]) ).

fof(normalize_0_22,plain,
    ! [A,B] :
      ( ( ~ ordinal(A)
        | ~ ordinal(B)
        | ~ ordinal_subset(A,B)
        | subset(A,B) )
      & ( ~ ordinal(A)
        | ~ ordinal(B)
        | ~ subset(A,B)
        | ordinal_subset(A,B) ) ),
    inference(clausify,[],[normalize_0_21]) ).

fof(normalize_0_23,plain,
    ! [A,B] :
      ( ~ ordinal(A)
      | ~ ordinal(B)
      | ~ ordinal_subset(A,B)
      | subset(A,B) ),
    inference(conjunct,[],[normalize_0_22]) ).

fof(normalize_0_24,plain,
    ! [A,B,C] :
      ( ~ element(B,powerset(C))
      | ~ in(A,B)
      | element(A,C) ),
    inference(canonicalize,[],[t4_subset]) ).

fof(normalize_0_25,plain,
    ! [A,B,C] :
      ( ~ element(B,powerset(C))
      | ~ in(A,B)
      | element(A,C) ),
    inference(specialize,[],[normalize_0_24]) ).

fof(normalize_0_26,plain,
    ! [A] :
      ( ~ ordinal(A)
      | ! [B] :
          ( ~ ordinal(B)
          | A = B
          | in(A,B)
          | in(B,A) ) ),
    inference(canonicalize,[],[t24_ordinal1]) ).

fof(normalize_0_27,plain,
    ! [A] :
      ( ~ ordinal(A)
      | ! [B] :
          ( ~ ordinal(B)
          | A = B
          | in(A,B)
          | in(B,A) ) ),
    inference(specialize,[],[normalize_0_26]) ).

fof(normalize_0_28,plain,
    ! [A,B] :
      ( ~ ordinal(A)
      | ~ ordinal(B)
      | A = B
      | in(A,B)
      | in(B,A) ),
    inference(clausify,[],[normalize_0_27]) ).

fof(normalize_0_29,plain,
    ~ in(skolemFOFtoCNF_B_2,skolemFOFtoCNF_A_11),
    inference(conjunct,[],[normalize_0_3]) ).

fof(normalize_0_30,plain,
    ! [A,B] :
      ( ~ in(A,B)
      | ~ in(B,A) ),
    inference(canonicalize,[],[antisymmetry_r2_hidden]) ).

fof(normalize_0_31,plain,
    ! [A,B] :
      ( ~ in(A,B)
      | ~ in(B,A) ),
    inference(specialize,[],[normalize_0_30]) ).

fof(normalize_0_32,plain,
    ! [A,B,C] :
      ( ~ element(B,powerset(C))
      | ~ empty(C)
      | ~ in(A,B) ),
    inference(canonicalize,[],[t5_subset]) ).

fof(normalize_0_33,plain,
    ! [A,B,C] :
      ( ~ element(B,powerset(C))
      | ~ empty(C)
      | ~ in(A,B) ),
    inference(specialize,[],[normalize_0_32]) ).

fof(normalize_0_34,plain,
    ( empty(empty_set)
    & relation(empty_set)
    & relation_empty_yielding(empty_set) ),
    inference(canonicalize,[],[fc12_relat_1]) ).

fof(normalize_0_35,plain,
    empty(empty_set),
    inference(conjunct,[],[normalize_0_34]) ).

cnf(refute_0_0,plain,
    ~ ordinal_subset(skolemFOFtoCNF_A_11,skolemFOFtoCNF_B_2),
    inference(canonicalize,[],[normalize_0_4]) ).

cnf(refute_0_1,plain,
    ordinal(skolemFOFtoCNF_B_2),
    inference(canonicalize,[],[normalize_0_5]) ).

cnf(refute_0_2,plain,
    ( ~ ordinal(A)
    | ~ ordinal(B)
    | ordinal_subset(A,A) ),
    inference(canonicalize,[],[normalize_0_8]) ).

cnf(refute_0_3,plain,
    ( ~ ordinal(skolemFOFtoCNF_B_2)
    | ordinal_subset(skolemFOFtoCNF_B_2,skolemFOFtoCNF_B_2) ),
    inference(subst,[],[refute_0_2:[bind(A,$fot(skolemFOFtoCNF_B_2)),bind(B,$fot(skolemFOFtoCNF_B_2))]]) ).

cnf(refute_0_4,plain,
    ordinal_subset(skolemFOFtoCNF_B_2,skolemFOFtoCNF_B_2),
    inference(resolve,[$cnf( ordinal(skolemFOFtoCNF_B_2) )],[refute_0_1,refute_0_3]) ).

cnf(refute_0_5,plain,
    ( ~ empty(A)
    | A = empty_set ),
    inference(canonicalize,[],[normalize_0_10]) ).

cnf(refute_0_6,plain,
    ( ~ empty(skolemFOFtoCNF_A_11)
    | skolemFOFtoCNF_A_11 = empty_set ),
    inference(subst,[],[refute_0_5:[bind(A,$fot(skolemFOFtoCNF_A_11))]]) ).

cnf(refute_0_7,plain,
    ( ~ element(A,B)
    | empty(B)
    | in(A,B) ),
    inference(canonicalize,[],[normalize_0_12]) ).

cnf(refute_0_8,plain,
    ( ~ element(skolemFOFtoCNF_A_11,skolemFOFtoCNF_A_11)
    | empty(skolemFOFtoCNF_A_11)
    | in(skolemFOFtoCNF_A_11,skolemFOFtoCNF_A_11) ),
    inference(subst,[],[refute_0_7:[bind(A,$fot(skolemFOFtoCNF_A_11)),bind(B,$fot(skolemFOFtoCNF_A_11))]]) ).

cnf(refute_0_9,plain,
    ( ~ subset(A,B)
    | element(A,powerset(B)) ),
    inference(canonicalize,[],[normalize_0_16]) ).

cnf(refute_0_10,plain,
    ( ~ subset(skolemFOFtoCNF_B_2,skolemFOFtoCNF_A_11)
    | element(skolemFOFtoCNF_B_2,powerset(skolemFOFtoCNF_A_11)) ),
    inference(subst,[],[refute_0_9:[bind(A,$fot(skolemFOFtoCNF_B_2)),bind(B,$fot(skolemFOFtoCNF_A_11))]]) ).

cnf(refute_0_11,plain,
    ordinal(skolemFOFtoCNF_A_11),
    inference(canonicalize,[],[normalize_0_17]) ).

cnf(refute_0_12,plain,
    ( ~ ordinal(A)
    | ~ ordinal(B)
    | ordinal_subset(A,B)
    | ordinal_subset(B,A) ),
    inference(canonicalize,[],[normalize_0_19]) ).

cnf(refute_0_13,plain,
    ( ~ ordinal(X_56)
    | ~ ordinal(skolemFOFtoCNF_A_11)
    | ordinal_subset(X_56,skolemFOFtoCNF_A_11)
    | ordinal_subset(skolemFOFtoCNF_A_11,X_56) ),
    inference(subst,[],[refute_0_12:[bind(A,$fot(skolemFOFtoCNF_A_11)),bind(B,$fot(X_56))]]) ).

cnf(refute_0_14,plain,
    ( ~ ordinal(X_56)
    | ordinal_subset(X_56,skolemFOFtoCNF_A_11)
    | ordinal_subset(skolemFOFtoCNF_A_11,X_56) ),
    inference(resolve,[$cnf( ordinal(skolemFOFtoCNF_A_11) )],[refute_0_11,refute_0_13]) ).

cnf(refute_0_15,plain,
    ( ~ ordinal(skolemFOFtoCNF_B_2)
    | ordinal_subset(skolemFOFtoCNF_A_11,skolemFOFtoCNF_B_2)
    | ordinal_subset(skolemFOFtoCNF_B_2,skolemFOFtoCNF_A_11) ),
    inference(subst,[],[refute_0_14:[bind(X_56,$fot(skolemFOFtoCNF_B_2))]]) ).

cnf(refute_0_16,plain,
    ( ordinal_subset(skolemFOFtoCNF_A_11,skolemFOFtoCNF_B_2)
    | ordinal_subset(skolemFOFtoCNF_B_2,skolemFOFtoCNF_A_11) ),
    inference(resolve,[$cnf( ordinal(skolemFOFtoCNF_B_2) )],[refute_0_1,refute_0_15]) ).

cnf(refute_0_17,plain,
    ordinal_subset(skolemFOFtoCNF_B_2,skolemFOFtoCNF_A_11),
    inference(resolve,[$cnf( ordinal_subset(skolemFOFtoCNF_A_11,skolemFOFtoCNF_B_2) )],[refute_0_16,refute_0_0]) ).

cnf(refute_0_18,plain,
    ( ~ ordinal(A)
    | ~ ordinal(B)
    | ~ ordinal_subset(A,B)
    | subset(A,B) ),
    inference(canonicalize,[],[normalize_0_23]) ).

cnf(refute_0_19,plain,
    ( ~ ordinal(skolemFOFtoCNF_A_11)
    | ~ ordinal(skolemFOFtoCNF_B_2)
    | ~ ordinal_subset(skolemFOFtoCNF_B_2,skolemFOFtoCNF_A_11)
    | subset(skolemFOFtoCNF_B_2,skolemFOFtoCNF_A_11) ),
    inference(subst,[],[refute_0_18:[bind(A,$fot(skolemFOFtoCNF_B_2)),bind(B,$fot(skolemFOFtoCNF_A_11))]]) ).

cnf(refute_0_20,plain,
    ( ~ ordinal(skolemFOFtoCNF_A_11)
    | ~ ordinal(skolemFOFtoCNF_B_2)
    | subset(skolemFOFtoCNF_B_2,skolemFOFtoCNF_A_11) ),
    inference(resolve,[$cnf( ordinal_subset(skolemFOFtoCNF_B_2,skolemFOFtoCNF_A_11) )],[refute_0_17,refute_0_19]) ).

cnf(refute_0_21,plain,
    ( ~ ordinal(skolemFOFtoCNF_B_2)
    | subset(skolemFOFtoCNF_B_2,skolemFOFtoCNF_A_11) ),
    inference(resolve,[$cnf( ordinal(skolemFOFtoCNF_A_11) )],[refute_0_11,refute_0_20]) ).

cnf(refute_0_22,plain,
    subset(skolemFOFtoCNF_B_2,skolemFOFtoCNF_A_11),
    inference(resolve,[$cnf( ordinal(skolemFOFtoCNF_B_2) )],[refute_0_1,refute_0_21]) ).

cnf(refute_0_23,plain,
    element(skolemFOFtoCNF_B_2,powerset(skolemFOFtoCNF_A_11)),
    inference(resolve,[$cnf( subset(skolemFOFtoCNF_B_2,skolemFOFtoCNF_A_11) )],[refute_0_22,refute_0_10]) ).

cnf(refute_0_24,plain,
    ( ~ element(B,powerset(C))
    | ~ in(A,B)
    | element(A,C) ),
    inference(canonicalize,[],[normalize_0_25]) ).

cnf(refute_0_25,plain,
    ( ~ element(skolemFOFtoCNF_B_2,powerset(skolemFOFtoCNF_A_11))
    | ~ in(X_68,skolemFOFtoCNF_B_2)
    | element(X_68,skolemFOFtoCNF_A_11) ),
    inference(subst,[],[refute_0_24:[bind(A,$fot(X_68)),bind(B,$fot(skolemFOFtoCNF_B_2)),bind(C,$fot(skolemFOFtoCNF_A_11))]]) ).

cnf(refute_0_26,plain,
    ( ~ in(X_68,skolemFOFtoCNF_B_2)
    | element(X_68,skolemFOFtoCNF_A_11) ),
    inference(resolve,[$cnf( element(skolemFOFtoCNF_B_2,powerset(skolemFOFtoCNF_A_11)) )],[refute_0_23,refute_0_25]) ).

cnf(refute_0_27,plain,
    ( ~ in(skolemFOFtoCNF_A_11,skolemFOFtoCNF_B_2)
    | element(skolemFOFtoCNF_A_11,skolemFOFtoCNF_A_11) ),
    inference(subst,[],[refute_0_26:[bind(X_68,$fot(skolemFOFtoCNF_A_11))]]) ).

cnf(refute_0_28,plain,
    ( ~ ordinal(A)
    | ~ ordinal(B)
    | A = B
    | in(A,B)
    | in(B,A) ),
    inference(canonicalize,[],[normalize_0_28]) ).

cnf(refute_0_29,plain,
    ( ~ ordinal(X_110)
    | ~ ordinal(skolemFOFtoCNF_A_11)
    | skolemFOFtoCNF_A_11 = X_110
    | in(X_110,skolemFOFtoCNF_A_11)
    | in(skolemFOFtoCNF_A_11,X_110) ),
    inference(subst,[],[refute_0_28:[bind(A,$fot(skolemFOFtoCNF_A_11)),bind(B,$fot(X_110))]]) ).

cnf(refute_0_30,plain,
    ( ~ ordinal(X_110)
    | skolemFOFtoCNF_A_11 = X_110
    | in(X_110,skolemFOFtoCNF_A_11)
    | in(skolemFOFtoCNF_A_11,X_110) ),
    inference(resolve,[$cnf( ordinal(skolemFOFtoCNF_A_11) )],[refute_0_11,refute_0_29]) ).

cnf(refute_0_31,plain,
    ( ~ ordinal(skolemFOFtoCNF_B_2)
    | skolemFOFtoCNF_A_11 = skolemFOFtoCNF_B_2
    | in(skolemFOFtoCNF_A_11,skolemFOFtoCNF_B_2)
    | in(skolemFOFtoCNF_B_2,skolemFOFtoCNF_A_11) ),
    inference(subst,[],[refute_0_30:[bind(X_110,$fot(skolemFOFtoCNF_B_2))]]) ).

cnf(refute_0_32,plain,
    ( skolemFOFtoCNF_A_11 = skolemFOFtoCNF_B_2
    | in(skolemFOFtoCNF_A_11,skolemFOFtoCNF_B_2)
    | in(skolemFOFtoCNF_B_2,skolemFOFtoCNF_A_11) ),
    inference(resolve,[$cnf( ordinal(skolemFOFtoCNF_B_2) )],[refute_0_1,refute_0_31]) ).

cnf(refute_0_33,plain,
    ~ in(skolemFOFtoCNF_B_2,skolemFOFtoCNF_A_11),
    inference(canonicalize,[],[normalize_0_29]) ).

cnf(refute_0_34,plain,
    ( skolemFOFtoCNF_A_11 = skolemFOFtoCNF_B_2
    | in(skolemFOFtoCNF_A_11,skolemFOFtoCNF_B_2) ),
    inference(resolve,[$cnf( in(skolemFOFtoCNF_B_2,skolemFOFtoCNF_A_11) )],[refute_0_32,refute_0_33]) ).

cnf(refute_0_35,plain,
    ( skolemFOFtoCNF_A_11 = skolemFOFtoCNF_B_2
    | element(skolemFOFtoCNF_A_11,skolemFOFtoCNF_A_11) ),
    inference(resolve,[$cnf( in(skolemFOFtoCNF_A_11,skolemFOFtoCNF_B_2) )],[refute_0_34,refute_0_27]) ).

cnf(refute_0_36,plain,
    ( skolemFOFtoCNF_A_11 = skolemFOFtoCNF_B_2
    | empty(skolemFOFtoCNF_A_11)
    | in(skolemFOFtoCNF_A_11,skolemFOFtoCNF_A_11) ),
    inference(resolve,[$cnf( element(skolemFOFtoCNF_A_11,skolemFOFtoCNF_A_11) )],[refute_0_35,refute_0_8]) ).

cnf(refute_0_37,plain,
    ( ~ in(A,B)
    | ~ in(B,A) ),
    inference(canonicalize,[],[normalize_0_31]) ).

cnf(refute_0_38,plain,
    ~ in(skolemFOFtoCNF_A_11,skolemFOFtoCNF_A_11),
    inference(subst,[],[refute_0_37:[bind(A,$fot(skolemFOFtoCNF_A_11)),bind(B,$fot(skolemFOFtoCNF_A_11))]]) ).

cnf(refute_0_39,plain,
    ( skolemFOFtoCNF_A_11 = skolemFOFtoCNF_B_2
    | empty(skolemFOFtoCNF_A_11) ),
    inference(resolve,[$cnf( in(skolemFOFtoCNF_A_11,skolemFOFtoCNF_A_11) )],[refute_0_36,refute_0_38]) ).

cnf(refute_0_40,plain,
    ( skolemFOFtoCNF_A_11 = empty_set
    | skolemFOFtoCNF_A_11 = skolemFOFtoCNF_B_2 ),
    inference(resolve,[$cnf( empty(skolemFOFtoCNF_A_11) )],[refute_0_39,refute_0_6]) ).

cnf(refute_0_41,plain,
    X = X,
    introduced(tautology,[refl,[$fot(X)]]) ).

cnf(refute_0_42,plain,
    ( X != X
    | X != Y
    | Y = X ),
    introduced(tautology,[equality,[$cnf( $equal(X,X) ),[0],$fot(Y)]]) ).

cnf(refute_0_43,plain,
    ( X != Y
    | Y = X ),
    inference(resolve,[$cnf( $equal(X,X) )],[refute_0_41,refute_0_42]) ).

cnf(refute_0_44,plain,
    ( skolemFOFtoCNF_A_11 != skolemFOFtoCNF_B_2
    | skolemFOFtoCNF_B_2 = skolemFOFtoCNF_A_11 ),
    inference(subst,[],[refute_0_43:[bind(X,$fot(skolemFOFtoCNF_A_11)),bind(Y,$fot(skolemFOFtoCNF_B_2))]]) ).

cnf(refute_0_45,plain,
    ( skolemFOFtoCNF_A_11 = empty_set
    | skolemFOFtoCNF_B_2 = skolemFOFtoCNF_A_11 ),
    inference(resolve,[$cnf( $equal(skolemFOFtoCNF_A_11,skolemFOFtoCNF_B_2) )],[refute_0_40,refute_0_44]) ).

cnf(refute_0_46,plain,
    ( skolemFOFtoCNF_B_2 != skolemFOFtoCNF_A_11
    | ~ ordinal_subset(skolemFOFtoCNF_B_2,skolemFOFtoCNF_B_2)
    | ordinal_subset(skolemFOFtoCNF_A_11,skolemFOFtoCNF_B_2) ),
    introduced(tautology,[equality,[$cnf( ordinal_subset(skolemFOFtoCNF_B_2,skolemFOFtoCNF_B_2) ),[0],$fot(skolemFOFtoCNF_A_11)]]) ).

cnf(refute_0_47,plain,
    ( ~ ordinal_subset(skolemFOFtoCNF_B_2,skolemFOFtoCNF_B_2)
    | skolemFOFtoCNF_A_11 = empty_set
    | ordinal_subset(skolemFOFtoCNF_A_11,skolemFOFtoCNF_B_2) ),
    inference(resolve,[$cnf( $equal(skolemFOFtoCNF_B_2,skolemFOFtoCNF_A_11) )],[refute_0_45,refute_0_46]) ).

cnf(refute_0_48,plain,
    ( skolemFOFtoCNF_A_11 = empty_set
    | ordinal_subset(skolemFOFtoCNF_A_11,skolemFOFtoCNF_B_2) ),
    inference(resolve,[$cnf( ordinal_subset(skolemFOFtoCNF_B_2,skolemFOFtoCNF_B_2) )],[refute_0_4,refute_0_47]) ).

cnf(refute_0_49,plain,
    skolemFOFtoCNF_A_11 = empty_set,
    inference(resolve,[$cnf( ordinal_subset(skolemFOFtoCNF_A_11,skolemFOFtoCNF_B_2) )],[refute_0_48,refute_0_0]) ).

cnf(refute_0_50,plain,
    ( skolemFOFtoCNF_A_11 != empty_set
    | ~ ordinal_subset(empty_set,skolemFOFtoCNF_B_2)
    | ordinal_subset(skolemFOFtoCNF_A_11,skolemFOFtoCNF_B_2) ),
    introduced(tautology,[equality,[$cnf( ~ ordinal_subset(skolemFOFtoCNF_A_11,skolemFOFtoCNF_B_2) ),[0],$fot(empty_set)]]) ).

cnf(refute_0_51,plain,
    ( ~ ordinal_subset(empty_set,skolemFOFtoCNF_B_2)
    | ordinal_subset(skolemFOFtoCNF_A_11,skolemFOFtoCNF_B_2) ),
    inference(resolve,[$cnf( $equal(skolemFOFtoCNF_A_11,empty_set) )],[refute_0_49,refute_0_50]) ).

cnf(refute_0_52,plain,
    ~ ordinal_subset(empty_set,skolemFOFtoCNF_B_2),
    inference(resolve,[$cnf( ordinal_subset(skolemFOFtoCNF_A_11,skolemFOFtoCNF_B_2) )],[refute_0_51,refute_0_0]) ).

cnf(refute_0_53,plain,
    ( skolemFOFtoCNF_A_11 != empty_set
    | skolemFOFtoCNF_A_11 != skolemFOFtoCNF_B_2
    | empty_set = skolemFOFtoCNF_B_2 ),
    introduced(tautology,[equality,[$cnf( $equal(skolemFOFtoCNF_A_11,skolemFOFtoCNF_B_2) ),[0],$fot(empty_set)]]) ).

cnf(refute_0_54,plain,
    ( skolemFOFtoCNF_A_11 != skolemFOFtoCNF_B_2
    | empty_set = skolemFOFtoCNF_B_2 ),
    inference(resolve,[$cnf( $equal(skolemFOFtoCNF_A_11,empty_set) )],[refute_0_49,refute_0_53]) ).

cnf(refute_0_55,plain,
    ( empty_set = skolemFOFtoCNF_B_2
    | in(skolemFOFtoCNF_A_11,skolemFOFtoCNF_B_2) ),
    inference(resolve,[$cnf( $equal(skolemFOFtoCNF_A_11,skolemFOFtoCNF_B_2) )],[refute_0_34,refute_0_54]) ).

cnf(refute_0_56,plain,
    ( skolemFOFtoCNF_A_11 != empty_set
    | ~ in(skolemFOFtoCNF_A_11,skolemFOFtoCNF_B_2)
    | in(empty_set,skolemFOFtoCNF_B_2) ),
    introduced(tautology,[equality,[$cnf( in(skolemFOFtoCNF_A_11,skolemFOFtoCNF_B_2) ),[0],$fot(empty_set)]]) ).

cnf(refute_0_57,plain,
    ( ~ in(skolemFOFtoCNF_A_11,skolemFOFtoCNF_B_2)
    | in(empty_set,skolemFOFtoCNF_B_2) ),
    inference(resolve,[$cnf( $equal(skolemFOFtoCNF_A_11,empty_set) )],[refute_0_49,refute_0_56]) ).

cnf(refute_0_58,plain,
    ( empty_set = skolemFOFtoCNF_B_2
    | in(empty_set,skolemFOFtoCNF_B_2) ),
    inference(resolve,[$cnf( in(skolemFOFtoCNF_A_11,skolemFOFtoCNF_B_2) )],[refute_0_55,refute_0_57]) ).

cnf(refute_0_59,plain,
    ( ~ element(B,powerset(C))
    | ~ empty(C)
    | ~ in(A,B) ),
    inference(canonicalize,[],[normalize_0_33]) ).

cnf(refute_0_60,plain,
    ( ~ element(skolemFOFtoCNF_B_2,powerset(skolemFOFtoCNF_A_11))
    | ~ empty(skolemFOFtoCNF_A_11)
    | ~ in(A,skolemFOFtoCNF_B_2) ),
    inference(subst,[],[refute_0_59:[bind(B,$fot(skolemFOFtoCNF_B_2)),bind(C,$fot(skolemFOFtoCNF_A_11))]]) ).

cnf(refute_0_61,plain,
    ( ~ empty(skolemFOFtoCNF_A_11)
    | ~ in(A,skolemFOFtoCNF_B_2) ),
    inference(resolve,[$cnf( element(skolemFOFtoCNF_B_2,powerset(skolemFOFtoCNF_A_11)) )],[refute_0_23,refute_0_60]) ).

cnf(refute_0_62,plain,
    ( skolemFOFtoCNF_A_11 != empty_set
    | ~ empty(empty_set)
    | empty(skolemFOFtoCNF_A_11) ),
    introduced(tautology,[equality,[$cnf( ~ empty(skolemFOFtoCNF_A_11) ),[0],$fot(empty_set)]]) ).

cnf(refute_0_63,plain,
    ( ~ empty(empty_set)
    | empty(skolemFOFtoCNF_A_11) ),
    inference(resolve,[$cnf( $equal(skolemFOFtoCNF_A_11,empty_set) )],[refute_0_49,refute_0_62]) ).

cnf(refute_0_64,plain,
    ( ~ empty(empty_set)
    | ~ in(A,skolemFOFtoCNF_B_2) ),
    inference(resolve,[$cnf( empty(skolemFOFtoCNF_A_11) )],[refute_0_63,refute_0_61]) ).

cnf(refute_0_65,plain,
    empty(empty_set),
    inference(canonicalize,[],[normalize_0_35]) ).

cnf(refute_0_66,plain,
    ~ in(A,skolemFOFtoCNF_B_2),
    inference(resolve,[$cnf( empty(empty_set) )],[refute_0_65,refute_0_64]) ).

cnf(refute_0_67,plain,
    ~ in(empty_set,skolemFOFtoCNF_B_2),
    inference(subst,[],[refute_0_66:[bind(A,$fot(empty_set))]]) ).

cnf(refute_0_68,plain,
    empty_set = skolemFOFtoCNF_B_2,
    inference(resolve,[$cnf( in(empty_set,skolemFOFtoCNF_B_2) )],[refute_0_58,refute_0_67]) ).

cnf(refute_0_69,plain,
    ( empty_set != skolemFOFtoCNF_B_2
    | skolemFOFtoCNF_B_2 = empty_set ),
    inference(subst,[],[refute_0_43:[bind(X,$fot(empty_set)),bind(Y,$fot(skolemFOFtoCNF_B_2))]]) ).

cnf(refute_0_70,plain,
    skolemFOFtoCNF_B_2 = empty_set,
    inference(resolve,[$cnf( $equal(empty_set,skolemFOFtoCNF_B_2) )],[refute_0_68,refute_0_69]) ).

cnf(refute_0_71,plain,
    ( skolemFOFtoCNF_B_2 != empty_set
    | ~ ordinal_subset(empty_set,empty_set)
    | ordinal_subset(empty_set,skolemFOFtoCNF_B_2) ),
    introduced(tautology,[equality,[$cnf( ~ ordinal_subset(empty_set,skolemFOFtoCNF_B_2) ),[1],$fot(empty_set)]]) ).

cnf(refute_0_72,plain,
    ( ~ ordinal_subset(empty_set,empty_set)
    | ordinal_subset(empty_set,skolemFOFtoCNF_B_2) ),
    inference(resolve,[$cnf( $equal(skolemFOFtoCNF_B_2,empty_set) )],[refute_0_70,refute_0_71]) ).

cnf(refute_0_73,plain,
    ~ ordinal_subset(empty_set,empty_set),
    inference(resolve,[$cnf( ordinal_subset(empty_set,skolemFOFtoCNF_B_2) )],[refute_0_72,refute_0_52]) ).

cnf(refute_0_74,plain,
    ( ~ ordinal(empty_set)
    | ordinal_subset(empty_set,empty_set) ),
    inference(subst,[],[refute_0_2:[bind(A,$fot(empty_set)),bind(B,$fot(empty_set))]]) ).

cnf(refute_0_75,plain,
    ( skolemFOFtoCNF_A_11 != empty_set
    | ~ ordinal(skolemFOFtoCNF_A_11)
    | ordinal(empty_set) ),
    introduced(tautology,[equality,[$cnf( ordinal(skolemFOFtoCNF_A_11) ),[0],$fot(empty_set)]]) ).

cnf(refute_0_76,plain,
    ( ~ ordinal(skolemFOFtoCNF_A_11)
    | ordinal(empty_set) ),
    inference(resolve,[$cnf( $equal(skolemFOFtoCNF_A_11,empty_set) )],[refute_0_49,refute_0_75]) ).

cnf(refute_0_77,plain,
    ordinal(empty_set),
    inference(resolve,[$cnf( ordinal(skolemFOFtoCNF_A_11) )],[refute_0_11,refute_0_76]) ).

cnf(refute_0_78,plain,
    ordinal_subset(empty_set,empty_set),
    inference(resolve,[$cnf( ordinal(empty_set) )],[refute_0_77,refute_0_74]) ).

cnf(refute_0_79,plain,
    $false,
    inference(resolve,[$cnf( ordinal_subset(empty_set,empty_set) )],[refute_0_78,refute_0_73]) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.10/0.12  % Problem  : NUM394+1 : TPTP v8.1.0. Released v3.2.0.
% 0.10/0.13  % Command  : metis --show proof --show saturation %s
% 0.13/0.34  % Computer : n017.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 : Thu Jul  7 16:29:00 EDT 2022
% 0.13/0.34  % CPUTime  : 
% 0.13/0.34  %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% 3.24/3.50  % SZS status Theorem for /export/starexec/sandbox/benchmark/theBenchmark.p
% 3.24/3.50  
% 3.24/3.50  % SZS output start CNFRefutation for /export/starexec/sandbox/benchmark/theBenchmark.p
% See solution above
% 3.24/3.51  
%------------------------------------------------------------------------------