TSTP Solution File: SWC375+1 by Metis---2.4

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Metis---2.4
% Problem  : SWC375+1 : TPTP v8.1.0. Released v2.4.0.
% 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 21:28:01 EDT 2022

% Result   : Theorem 0.19s 0.49s
% Output   : CNFRefutation 0.19s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   19
%            Number of leaves      :   11
% Syntax   : Number of formulae    :   80 (  32 unt;   0 def)
%            Number of atoms       :  322 ( 127 equ)
%            Maximal formula atoms :   12 (   4 avg)
%            Number of connectives :  340 (  98   ~;  55   |; 162   &)
%                                         (   0 <=>;  25  =>;   0  <=;   0 <~>)
%            Maximal formula depth :   17 (   5 avg)
%            Maximal term depth    :    1 (   1 avg)
%            Number of predicates  :    6 (   3 usr;   1 prp; 0-2 aty)
%            Number of functors    :   10 (  10 usr;  10 con; 0-0 aty)
%            Number of variables   :   85 (   0 sgn  25   !;  50   ?)

% Comments : 
%------------------------------------------------------------------------------
fof(co1,conjecture,
    ! [U] :
      ( ssList(U)
     => ! [V] :
          ( ssList(V)
         => ! [W] :
              ( ssList(W)
             => ! [X0] :
                  ( ssList(X0)
                 => ( V != X0
                    | U != W
                    | X0 != W
                    | ! [Y0] :
                        ( ssItem(Y0)
                       => ( ( ~ memberP(V,Y0)
                            & ~ memberP(U,Y0) )
                          | ( memberP(V,Y0)
                            & memberP(U,Y0) ) ) ) ) ) ) ) ) ).

fof(subgoal_0,plain,
    ! [U] :
      ( ssList(U)
     => ! [V] :
          ( ssList(V)
         => ! [W] :
              ( ssList(W)
             => ! [X0] :
                  ( ( ssList(X0)
                    & ~ ( V != X0 )
                    & ~ ( U != W )
                    & ~ ( X0 != W ) )
                 => ! [Y0] :
                      ( ( ssItem(Y0)
                        & ~ ( ~ memberP(V,Y0)
                            & ~ memberP(U,Y0) ) )
                     => memberP(V,Y0) ) ) ) ) ),
    inference(strip,[],[co1]) ).

fof(subgoal_1,plain,
    ! [U] :
      ( ssList(U)
     => ! [V] :
          ( ssList(V)
         => ! [W] :
              ( ssList(W)
             => ! [X0] :
                  ( ( ssList(X0)
                    & ~ ( V != X0 )
                    & ~ ( U != W )
                    & ~ ( X0 != W ) )
                 => ! [Y0] :
                      ( ( ssItem(Y0)
                        & ~ ( ~ memberP(V,Y0)
                            & ~ memberP(U,Y0) )
                        & memberP(V,Y0) )
                     => memberP(U,Y0) ) ) ) ) ),
    inference(strip,[],[co1]) ).

fof(negate_0_0,plain,
    ~ ! [U] :
        ( ssList(U)
       => ! [V] :
            ( ssList(V)
           => ! [W] :
                ( ssList(W)
               => ! [X0] :
                    ( ( ssList(X0)
                      & ~ ( V != X0 )
                      & ~ ( U != W )
                      & ~ ( X0 != W ) )
                   => ! [Y0] :
                        ( ( ssItem(Y0)
                          & ~ ( ~ memberP(V,Y0)
                              & ~ memberP(U,Y0) ) )
                       => memberP(V,Y0) ) ) ) ) ),
    inference(negate,[],[subgoal_0]) ).

fof(normalize_0_0,plain,
    ? [U] :
      ( ssList(U)
      & ? [V] :
          ( ssList(V)
          & ? [W] :
              ( ssList(W)
              & ? [X0] :
                  ( U = W
                  & V = X0
                  & X0 = W
                  & ssList(X0)
                  & ? [Y0] :
                      ( ~ memberP(V,Y0)
                      & ssItem(Y0)
                      & ( memberP(U,Y0)
                        | memberP(V,Y0) ) ) ) ) ) ),
    inference(canonicalize,[],[negate_0_0]) ).

fof(normalize_0_1,plain,
    ( ssList(skolemFOFtoCNF_U_1)
    & ? [V] :
        ( ssList(V)
        & ? [W] :
            ( ssList(W)
            & ? [X0] :
                ( V = X0
                & X0 = W
                & skolemFOFtoCNF_U_1 = W
                & ssList(X0)
                & ? [Y0] :
                    ( ~ memberP(V,Y0)
                    & ssItem(Y0)
                    & ( memberP(V,Y0)
                      | memberP(skolemFOFtoCNF_U_1,Y0) ) ) ) ) ) ),
    inference(skolemize,[],[normalize_0_0]) ).

fof(normalize_0_2,plain,
    ? [V] :
      ( ssList(V)
      & ? [W] :
          ( ssList(W)
          & ? [X0] :
              ( V = X0
              & X0 = W
              & skolemFOFtoCNF_U_1 = W
              & ssList(X0)
              & ? [Y0] :
                  ( ~ memberP(V,Y0)
                  & ssItem(Y0)
                  & ( memberP(V,Y0)
                    | memberP(skolemFOFtoCNF_U_1,Y0) ) ) ) ) ),
    inference(conjunct,[],[normalize_0_1]) ).

fof(normalize_0_3,plain,
    ( ssList(skolemFOFtoCNF_V_12)
    & ? [W] :
        ( ssList(W)
        & ? [X0] :
            ( X0 = W
            & skolemFOFtoCNF_U_1 = W
            & skolemFOFtoCNF_V_12 = X0
            & ssList(X0)
            & ? [Y0] :
                ( ~ memberP(skolemFOFtoCNF_V_12,Y0)
                & ssItem(Y0)
                & ( memberP(skolemFOFtoCNF_U_1,Y0)
                  | memberP(skolemFOFtoCNF_V_12,Y0) ) ) ) ) ),
    inference(skolemize,[],[normalize_0_2]) ).

fof(normalize_0_4,plain,
    ? [W] :
      ( ssList(W)
      & ? [X0] :
          ( X0 = W
          & skolemFOFtoCNF_U_1 = W
          & skolemFOFtoCNF_V_12 = X0
          & ssList(X0)
          & ? [Y0] :
              ( ~ memberP(skolemFOFtoCNF_V_12,Y0)
              & ssItem(Y0)
              & ( memberP(skolemFOFtoCNF_U_1,Y0)
                | memberP(skolemFOFtoCNF_V_12,Y0) ) ) ) ),
    inference(conjunct,[],[normalize_0_3]) ).

fof(normalize_0_5,plain,
    ( ssList(skolemFOFtoCNF_W_12)
    & ? [X0] :
        ( X0 = skolemFOFtoCNF_W_12
        & skolemFOFtoCNF_U_1 = skolemFOFtoCNF_W_12
        & skolemFOFtoCNF_V_12 = X0
        & ssList(X0)
        & ? [Y0] :
            ( ~ memberP(skolemFOFtoCNF_V_12,Y0)
            & ssItem(Y0)
            & ( memberP(skolemFOFtoCNF_U_1,Y0)
              | memberP(skolemFOFtoCNF_V_12,Y0) ) ) ) ),
    inference(skolemize,[],[normalize_0_4]) ).

fof(normalize_0_6,plain,
    ? [X0] :
      ( X0 = skolemFOFtoCNF_W_12
      & skolemFOFtoCNF_U_1 = skolemFOFtoCNF_W_12
      & skolemFOFtoCNF_V_12 = X0
      & ssList(X0)
      & ? [Y0] :
          ( ~ memberP(skolemFOFtoCNF_V_12,Y0)
          & ssItem(Y0)
          & ( memberP(skolemFOFtoCNF_U_1,Y0)
            | memberP(skolemFOFtoCNF_V_12,Y0) ) ) ),
    inference(conjunct,[],[normalize_0_5]) ).

fof(normalize_0_7,plain,
    ( skolemFOFtoCNF_U_1 = skolemFOFtoCNF_W_12
    & skolemFOFtoCNF_V_12 = skolemFOFtoCNF_X_9
    & skolemFOFtoCNF_X_9 = skolemFOFtoCNF_W_12
    & ssList(skolemFOFtoCNF_X_9)
    & ? [Y0] :
        ( ~ memberP(skolemFOFtoCNF_V_12,Y0)
        & ssItem(Y0)
        & ( memberP(skolemFOFtoCNF_U_1,Y0)
          | memberP(skolemFOFtoCNF_V_12,Y0) ) ) ),
    inference(skolemize,[],[normalize_0_6]) ).

fof(normalize_0_8,plain,
    ? [Y0] :
      ( ~ memberP(skolemFOFtoCNF_V_12,Y0)
      & ssItem(Y0)
      & ( memberP(skolemFOFtoCNF_U_1,Y0)
        | memberP(skolemFOFtoCNF_V_12,Y0) ) ),
    inference(conjunct,[],[normalize_0_7]) ).

fof(normalize_0_9,plain,
    ( ~ memberP(skolemFOFtoCNF_V_12,skolemFOFtoCNF_Y_7)
    & ssItem(skolemFOFtoCNF_Y_7)
    & ( memberP(skolemFOFtoCNF_U_1,skolemFOFtoCNF_Y_7)
      | memberP(skolemFOFtoCNF_V_12,skolemFOFtoCNF_Y_7) ) ),
    inference(skolemize,[],[normalize_0_8]) ).

fof(normalize_0_10,plain,
    ( memberP(skolemFOFtoCNF_U_1,skolemFOFtoCNF_Y_7)
    | memberP(skolemFOFtoCNF_V_12,skolemFOFtoCNF_Y_7) ),
    inference(conjunct,[],[normalize_0_9]) ).

fof(normalize_0_11,plain,
    ~ memberP(skolemFOFtoCNF_V_12,skolemFOFtoCNF_Y_7),
    inference(conjunct,[],[normalize_0_9]) ).

fof(normalize_0_12,plain,
    memberP(skolemFOFtoCNF_U_1,skolemFOFtoCNF_Y_7),
    inference(simplify,[],[normalize_0_10,normalize_0_11]) ).

fof(normalize_0_13,plain,
    skolemFOFtoCNF_X_9 = skolemFOFtoCNF_W_12,
    inference(conjunct,[],[normalize_0_7]) ).

fof(normalize_0_14,plain,
    skolemFOFtoCNF_V_12 = skolemFOFtoCNF_X_9,
    inference(conjunct,[],[normalize_0_7]) ).

fof(normalize_0_15,plain,
    skolemFOFtoCNF_U_1 = skolemFOFtoCNF_W_12,
    inference(conjunct,[],[normalize_0_7]) ).

cnf(refute_0_0,plain,
    memberP(skolemFOFtoCNF_U_1,skolemFOFtoCNF_Y_7),
    inference(canonicalize,[],[normalize_0_12]) ).

cnf(refute_0_1,plain,
    ~ memberP(skolemFOFtoCNF_V_12,skolemFOFtoCNF_Y_7),
    inference(canonicalize,[],[normalize_0_11]) ).

cnf(refute_0_2,plain,
    skolemFOFtoCNF_X_9 = skolemFOFtoCNF_W_12,
    inference(canonicalize,[],[normalize_0_13]) ).

cnf(refute_0_3,plain,
    skolemFOFtoCNF_V_12 = skolemFOFtoCNF_X_9,
    inference(canonicalize,[],[normalize_0_14]) ).

cnf(refute_0_4,plain,
    X = X,
    introduced(tautology,[refl,[$fot(X)]]) ).

cnf(refute_0_5,plain,
    ( X != X
    | X != Y
    | Y = X ),
    introduced(tautology,[equality,[$cnf( $equal(X,X) ),[0],$fot(Y)]]) ).

cnf(refute_0_6,plain,
    ( X != Y
    | Y = X ),
    inference(resolve,[$cnf( $equal(X,X) )],[refute_0_4,refute_0_5]) ).

cnf(refute_0_7,plain,
    ( skolemFOFtoCNF_V_12 != skolemFOFtoCNF_X_9
    | skolemFOFtoCNF_X_9 = skolemFOFtoCNF_V_12 ),
    inference(subst,[],[refute_0_6:[bind(X,$fot(skolemFOFtoCNF_V_12)),bind(Y,$fot(skolemFOFtoCNF_X_9))]]) ).

cnf(refute_0_8,plain,
    skolemFOFtoCNF_X_9 = skolemFOFtoCNF_V_12,
    inference(resolve,[$cnf( $equal(skolemFOFtoCNF_V_12,skolemFOFtoCNF_X_9) )],[refute_0_3,refute_0_7]) ).

cnf(refute_0_9,plain,
    ( skolemFOFtoCNF_X_9 != skolemFOFtoCNF_V_12
    | skolemFOFtoCNF_X_9 != skolemFOFtoCNF_W_12
    | skolemFOFtoCNF_V_12 = skolemFOFtoCNF_W_12 ),
    introduced(tautology,[equality,[$cnf( $equal(skolemFOFtoCNF_X_9,skolemFOFtoCNF_W_12) ),[0],$fot(skolemFOFtoCNF_V_12)]]) ).

cnf(refute_0_10,plain,
    ( skolemFOFtoCNF_X_9 != skolemFOFtoCNF_W_12
    | skolemFOFtoCNF_V_12 = skolemFOFtoCNF_W_12 ),
    inference(resolve,[$cnf( $equal(skolemFOFtoCNF_X_9,skolemFOFtoCNF_V_12) )],[refute_0_8,refute_0_9]) ).

cnf(refute_0_11,plain,
    skolemFOFtoCNF_U_1 = skolemFOFtoCNF_W_12,
    inference(canonicalize,[],[normalize_0_15]) ).

cnf(refute_0_12,plain,
    ( skolemFOFtoCNF_U_1 != skolemFOFtoCNF_W_12
    | skolemFOFtoCNF_W_12 = skolemFOFtoCNF_U_1 ),
    inference(subst,[],[refute_0_6:[bind(X,$fot(skolemFOFtoCNF_U_1)),bind(Y,$fot(skolemFOFtoCNF_W_12))]]) ).

cnf(refute_0_13,plain,
    skolemFOFtoCNF_W_12 = skolemFOFtoCNF_U_1,
    inference(resolve,[$cnf( $equal(skolemFOFtoCNF_U_1,skolemFOFtoCNF_W_12) )],[refute_0_11,refute_0_12]) ).

cnf(refute_0_14,plain,
    ( skolemFOFtoCNF_V_12 != skolemFOFtoCNF_W_12
    | skolemFOFtoCNF_W_12 != skolemFOFtoCNF_U_1
    | skolemFOFtoCNF_V_12 = skolemFOFtoCNF_U_1 ),
    introduced(tautology,[equality,[$cnf( ~ $equal(skolemFOFtoCNF_V_12,skolemFOFtoCNF_U_1) ),[0],$fot(skolemFOFtoCNF_W_12)]]) ).

cnf(refute_0_15,plain,
    ( skolemFOFtoCNF_V_12 != skolemFOFtoCNF_W_12
    | skolemFOFtoCNF_V_12 = skolemFOFtoCNF_U_1 ),
    inference(resolve,[$cnf( $equal(skolemFOFtoCNF_W_12,skolemFOFtoCNF_U_1) )],[refute_0_13,refute_0_14]) ).

cnf(refute_0_16,plain,
    ( skolemFOFtoCNF_X_9 != skolemFOFtoCNF_W_12
    | skolemFOFtoCNF_V_12 = skolemFOFtoCNF_U_1 ),
    inference(resolve,[$cnf( $equal(skolemFOFtoCNF_V_12,skolemFOFtoCNF_W_12) )],[refute_0_10,refute_0_15]) ).

cnf(refute_0_17,plain,
    skolemFOFtoCNF_V_12 = skolemFOFtoCNF_U_1,
    inference(resolve,[$cnf( $equal(skolemFOFtoCNF_X_9,skolemFOFtoCNF_W_12) )],[refute_0_2,refute_0_16]) ).

cnf(refute_0_18,plain,
    ( skolemFOFtoCNF_V_12 != skolemFOFtoCNF_U_1
    | ~ memberP(skolemFOFtoCNF_U_1,skolemFOFtoCNF_Y_7)
    | memberP(skolemFOFtoCNF_V_12,skolemFOFtoCNF_Y_7) ),
    introduced(tautology,[equality,[$cnf( ~ memberP(skolemFOFtoCNF_V_12,skolemFOFtoCNF_Y_7) ),[0],$fot(skolemFOFtoCNF_U_1)]]) ).

cnf(refute_0_19,plain,
    ( ~ memberP(skolemFOFtoCNF_U_1,skolemFOFtoCNF_Y_7)
    | memberP(skolemFOFtoCNF_V_12,skolemFOFtoCNF_Y_7) ),
    inference(resolve,[$cnf( $equal(skolemFOFtoCNF_V_12,skolemFOFtoCNF_U_1) )],[refute_0_17,refute_0_18]) ).

cnf(refute_0_20,plain,
    ~ memberP(skolemFOFtoCNF_U_1,skolemFOFtoCNF_Y_7),
    inference(resolve,[$cnf( memberP(skolemFOFtoCNF_V_12,skolemFOFtoCNF_Y_7) )],[refute_0_19,refute_0_1]) ).

cnf(refute_0_21,plain,
    $false,
    inference(resolve,[$cnf( memberP(skolemFOFtoCNF_U_1,skolemFOFtoCNF_Y_7) )],[refute_0_0,refute_0_20]) ).

fof(negate_1_0,plain,
    ~ ! [U] :
        ( ssList(U)
       => ! [V] :
            ( ssList(V)
           => ! [W] :
                ( ssList(W)
               => ! [X0] :
                    ( ( ssList(X0)
                      & ~ ( V != X0 )
                      & ~ ( U != W )
                      & ~ ( X0 != W ) )
                   => ! [Y0] :
                        ( ( ssItem(Y0)
                          & ~ ( ~ memberP(V,Y0)
                              & ~ memberP(U,Y0) )
                          & memberP(V,Y0) )
                       => memberP(U,Y0) ) ) ) ) ),
    inference(negate,[],[subgoal_1]) ).

fof(normalize_1_0,plain,
    ? [U] :
      ( ssList(U)
      & ? [V] :
          ( ssList(V)
          & ? [W] :
              ( ssList(W)
              & ? [X0] :
                  ( U = W
                  & V = X0
                  & X0 = W
                  & ssList(X0)
                  & ? [Y0] :
                      ( ~ memberP(U,Y0)
                      & memberP(V,Y0)
                      & ssItem(Y0)
                      & ( memberP(U,Y0)
                        | memberP(V,Y0) ) ) ) ) ) ),
    inference(canonicalize,[],[negate_1_0]) ).

fof(normalize_1_1,plain,
    ( ssList(skolemFOFtoCNF_U_2)
    & ? [V] :
        ( ssList(V)
        & ? [W] :
            ( ssList(W)
            & ? [X0] :
                ( V = X0
                & X0 = W
                & skolemFOFtoCNF_U_2 = W
                & ssList(X0)
                & ? [Y0] :
                    ( ~ memberP(skolemFOFtoCNF_U_2,Y0)
                    & memberP(V,Y0)
                    & ssItem(Y0)
                    & ( memberP(V,Y0)
                      | memberP(skolemFOFtoCNF_U_2,Y0) ) ) ) ) ) ),
    inference(skolemize,[],[normalize_1_0]) ).

fof(normalize_1_2,plain,
    ? [V] :
      ( ssList(V)
      & ? [W] :
          ( ssList(W)
          & ? [X0] :
              ( V = X0
              & X0 = W
              & skolemFOFtoCNF_U_2 = W
              & ssList(X0)
              & ? [Y0] :
                  ( ~ memberP(skolemFOFtoCNF_U_2,Y0)
                  & memberP(V,Y0)
                  & ssItem(Y0)
                  & ( memberP(V,Y0)
                    | memberP(skolemFOFtoCNF_U_2,Y0) ) ) ) ) ),
    inference(conjunct,[],[normalize_1_1]) ).

fof(normalize_1_3,plain,
    ( ssList(skolemFOFtoCNF_V_13)
    & ? [W] :
        ( ssList(W)
        & ? [X0] :
            ( X0 = W
            & skolemFOFtoCNF_U_2 = W
            & skolemFOFtoCNF_V_13 = X0
            & ssList(X0)
            & ? [Y0] :
                ( ~ memberP(skolemFOFtoCNF_U_2,Y0)
                & memberP(skolemFOFtoCNF_V_13,Y0)
                & ssItem(Y0)
                & ( memberP(skolemFOFtoCNF_U_2,Y0)
                  | memberP(skolemFOFtoCNF_V_13,Y0) ) ) ) ) ),
    inference(skolemize,[],[normalize_1_2]) ).

fof(normalize_1_4,plain,
    ? [W] :
      ( ssList(W)
      & ? [X0] :
          ( X0 = W
          & skolemFOFtoCNF_U_2 = W
          & skolemFOFtoCNF_V_13 = X0
          & ssList(X0)
          & ? [Y0] :
              ( ~ memberP(skolemFOFtoCNF_U_2,Y0)
              & memberP(skolemFOFtoCNF_V_13,Y0)
              & ssItem(Y0)
              & ( memberP(skolemFOFtoCNF_U_2,Y0)
                | memberP(skolemFOFtoCNF_V_13,Y0) ) ) ) ),
    inference(conjunct,[],[normalize_1_3]) ).

fof(normalize_1_5,plain,
    ( ssList(skolemFOFtoCNF_W_13)
    & ? [X0] :
        ( X0 = skolemFOFtoCNF_W_13
        & skolemFOFtoCNF_U_2 = skolemFOFtoCNF_W_13
        & skolemFOFtoCNF_V_13 = X0
        & ssList(X0)
        & ? [Y0] :
            ( ~ memberP(skolemFOFtoCNF_U_2,Y0)
            & memberP(skolemFOFtoCNF_V_13,Y0)
            & ssItem(Y0)
            & ( memberP(skolemFOFtoCNF_U_2,Y0)
              | memberP(skolemFOFtoCNF_V_13,Y0) ) ) ) ),
    inference(skolemize,[],[normalize_1_4]) ).

fof(normalize_1_6,plain,
    ? [X0] :
      ( X0 = skolemFOFtoCNF_W_13
      & skolemFOFtoCNF_U_2 = skolemFOFtoCNF_W_13
      & skolemFOFtoCNF_V_13 = X0
      & ssList(X0)
      & ? [Y0] :
          ( ~ memberP(skolemFOFtoCNF_U_2,Y0)
          & memberP(skolemFOFtoCNF_V_13,Y0)
          & ssItem(Y0)
          & ( memberP(skolemFOFtoCNF_U_2,Y0)
            | memberP(skolemFOFtoCNF_V_13,Y0) ) ) ),
    inference(conjunct,[],[normalize_1_5]) ).

fof(normalize_1_7,plain,
    ( skolemFOFtoCNF_U_2 = skolemFOFtoCNF_W_13
    & skolemFOFtoCNF_V_13 = skolemFOFtoCNF_X_10
    & skolemFOFtoCNF_X_10 = skolemFOFtoCNF_W_13
    & ssList(skolemFOFtoCNF_X_10)
    & ? [Y0] :
        ( ~ memberP(skolemFOFtoCNF_U_2,Y0)
        & memberP(skolemFOFtoCNF_V_13,Y0)
        & ssItem(Y0)
        & ( memberP(skolemFOFtoCNF_U_2,Y0)
          | memberP(skolemFOFtoCNF_V_13,Y0) ) ) ),
    inference(skolemize,[],[normalize_1_6]) ).

fof(normalize_1_8,plain,
    ? [Y0] :
      ( ~ memberP(skolemFOFtoCNF_U_2,Y0)
      & memberP(skolemFOFtoCNF_V_13,Y0)
      & ssItem(Y0)
      & ( memberP(skolemFOFtoCNF_U_2,Y0)
        | memberP(skolemFOFtoCNF_V_13,Y0) ) ),
    inference(conjunct,[],[normalize_1_7]) ).

fof(normalize_1_9,plain,
    ( ~ memberP(skolemFOFtoCNF_U_2,skolemFOFtoCNF_Y_8)
    & memberP(skolemFOFtoCNF_V_13,skolemFOFtoCNF_Y_8)
    & ssItem(skolemFOFtoCNF_Y_8)
    & ( memberP(skolemFOFtoCNF_U_2,skolemFOFtoCNF_Y_8)
      | memberP(skolemFOFtoCNF_V_13,skolemFOFtoCNF_Y_8) ) ),
    inference(skolemize,[],[normalize_1_8]) ).

fof(normalize_1_10,plain,
    memberP(skolemFOFtoCNF_V_13,skolemFOFtoCNF_Y_8),
    inference(conjunct,[],[normalize_1_9]) ).

fof(normalize_1_11,plain,
    skolemFOFtoCNF_X_10 = skolemFOFtoCNF_W_13,
    inference(conjunct,[],[normalize_1_7]) ).

fof(normalize_1_12,plain,
    skolemFOFtoCNF_V_13 = skolemFOFtoCNF_X_10,
    inference(conjunct,[],[normalize_1_7]) ).

fof(normalize_1_13,plain,
    skolemFOFtoCNF_U_2 = skolemFOFtoCNF_W_13,
    inference(conjunct,[],[normalize_1_7]) ).

fof(normalize_1_14,plain,
    ~ memberP(skolemFOFtoCNF_U_2,skolemFOFtoCNF_Y_8),
    inference(conjunct,[],[normalize_1_9]) ).

cnf(refute_1_0,plain,
    memberP(skolemFOFtoCNF_V_13,skolemFOFtoCNF_Y_8),
    inference(canonicalize,[],[normalize_1_10]) ).

cnf(refute_1_1,plain,
    skolemFOFtoCNF_X_10 = skolemFOFtoCNF_W_13,
    inference(canonicalize,[],[normalize_1_11]) ).

cnf(refute_1_2,plain,
    skolemFOFtoCNF_V_13 = skolemFOFtoCNF_X_10,
    inference(canonicalize,[],[normalize_1_12]) ).

cnf(refute_1_3,plain,
    X = X,
    introduced(tautology,[refl,[$fot(X)]]) ).

cnf(refute_1_4,plain,
    ( X != X
    | X != Y
    | Y = X ),
    introduced(tautology,[equality,[$cnf( $equal(X,X) ),[0],$fot(Y)]]) ).

cnf(refute_1_5,plain,
    ( X != Y
    | Y = X ),
    inference(resolve,[$cnf( $equal(X,X) )],[refute_1_3,refute_1_4]) ).

cnf(refute_1_6,plain,
    ( skolemFOFtoCNF_V_13 != skolemFOFtoCNF_X_10
    | skolemFOFtoCNF_X_10 = skolemFOFtoCNF_V_13 ),
    inference(subst,[],[refute_1_5:[bind(X,$fot(skolemFOFtoCNF_V_13)),bind(Y,$fot(skolemFOFtoCNF_X_10))]]) ).

cnf(refute_1_7,plain,
    skolemFOFtoCNF_X_10 = skolemFOFtoCNF_V_13,
    inference(resolve,[$cnf( $equal(skolemFOFtoCNF_V_13,skolemFOFtoCNF_X_10) )],[refute_1_2,refute_1_6]) ).

cnf(refute_1_8,plain,
    ( skolemFOFtoCNF_X_10 != skolemFOFtoCNF_V_13
    | skolemFOFtoCNF_X_10 != skolemFOFtoCNF_W_13
    | skolemFOFtoCNF_V_13 = skolemFOFtoCNF_W_13 ),
    introduced(tautology,[equality,[$cnf( $equal(skolemFOFtoCNF_X_10,skolemFOFtoCNF_W_13) ),[0],$fot(skolemFOFtoCNF_V_13)]]) ).

cnf(refute_1_9,plain,
    ( skolemFOFtoCNF_X_10 != skolemFOFtoCNF_W_13
    | skolemFOFtoCNF_V_13 = skolemFOFtoCNF_W_13 ),
    inference(resolve,[$cnf( $equal(skolemFOFtoCNF_X_10,skolemFOFtoCNF_V_13) )],[refute_1_7,refute_1_8]) ).

cnf(refute_1_10,plain,
    skolemFOFtoCNF_U_2 = skolemFOFtoCNF_W_13,
    inference(canonicalize,[],[normalize_1_13]) ).

cnf(refute_1_11,plain,
    ( skolemFOFtoCNF_U_2 != skolemFOFtoCNF_W_13
    | skolemFOFtoCNF_W_13 = skolemFOFtoCNF_U_2 ),
    inference(subst,[],[refute_1_5:[bind(X,$fot(skolemFOFtoCNF_U_2)),bind(Y,$fot(skolemFOFtoCNF_W_13))]]) ).

cnf(refute_1_12,plain,
    skolemFOFtoCNF_W_13 = skolemFOFtoCNF_U_2,
    inference(resolve,[$cnf( $equal(skolemFOFtoCNF_U_2,skolemFOFtoCNF_W_13) )],[refute_1_10,refute_1_11]) ).

cnf(refute_1_13,plain,
    ( skolemFOFtoCNF_V_13 != skolemFOFtoCNF_W_13
    | skolemFOFtoCNF_W_13 != skolemFOFtoCNF_U_2
    | skolemFOFtoCNF_V_13 = skolemFOFtoCNF_U_2 ),
    introduced(tautology,[equality,[$cnf( ~ $equal(skolemFOFtoCNF_V_13,skolemFOFtoCNF_U_2) ),[0],$fot(skolemFOFtoCNF_W_13)]]) ).

cnf(refute_1_14,plain,
    ( skolemFOFtoCNF_V_13 != skolemFOFtoCNF_W_13
    | skolemFOFtoCNF_V_13 = skolemFOFtoCNF_U_2 ),
    inference(resolve,[$cnf( $equal(skolemFOFtoCNF_W_13,skolemFOFtoCNF_U_2) )],[refute_1_12,refute_1_13]) ).

cnf(refute_1_15,plain,
    ( skolemFOFtoCNF_X_10 != skolemFOFtoCNF_W_13
    | skolemFOFtoCNF_V_13 = skolemFOFtoCNF_U_2 ),
    inference(resolve,[$cnf( $equal(skolemFOFtoCNF_V_13,skolemFOFtoCNF_W_13) )],[refute_1_9,refute_1_14]) ).

cnf(refute_1_16,plain,
    skolemFOFtoCNF_V_13 = skolemFOFtoCNF_U_2,
    inference(resolve,[$cnf( $equal(skolemFOFtoCNF_X_10,skolemFOFtoCNF_W_13) )],[refute_1_1,refute_1_15]) ).

cnf(refute_1_17,plain,
    ( skolemFOFtoCNF_V_13 != skolemFOFtoCNF_U_2
    | ~ memberP(skolemFOFtoCNF_V_13,skolemFOFtoCNF_Y_8)
    | memberP(skolemFOFtoCNF_U_2,skolemFOFtoCNF_Y_8) ),
    introduced(tautology,[equality,[$cnf( memberP(skolemFOFtoCNF_V_13,skolemFOFtoCNF_Y_8) ),[0],$fot(skolemFOFtoCNF_U_2)]]) ).

cnf(refute_1_18,plain,
    ( ~ memberP(skolemFOFtoCNF_V_13,skolemFOFtoCNF_Y_8)
    | memberP(skolemFOFtoCNF_U_2,skolemFOFtoCNF_Y_8) ),
    inference(resolve,[$cnf( $equal(skolemFOFtoCNF_V_13,skolemFOFtoCNF_U_2) )],[refute_1_16,refute_1_17]) ).

cnf(refute_1_19,plain,
    memberP(skolemFOFtoCNF_U_2,skolemFOFtoCNF_Y_8),
    inference(resolve,[$cnf( memberP(skolemFOFtoCNF_V_13,skolemFOFtoCNF_Y_8) )],[refute_1_0,refute_1_18]) ).

cnf(refute_1_20,plain,
    ~ memberP(skolemFOFtoCNF_U_2,skolemFOFtoCNF_Y_8),
    inference(canonicalize,[],[normalize_1_14]) ).

cnf(refute_1_21,plain,
    $false,
    inference(resolve,[$cnf( memberP(skolemFOFtoCNF_U_2,skolemFOFtoCNF_Y_8) )],[refute_1_19,refute_1_20]) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.07/0.12  % Problem  : SWC375+1 : TPTP v8.1.0. Released v2.4.0.
% 0.07/0.12  % Command  : metis --show proof --show saturation %s
% 0.12/0.33  % Computer : n027.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 : Sat Jun 11 23:58:15 EDT 2022
% 0.12/0.34  % CPUTime  : 
% 0.12/0.34  %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% 0.19/0.49  % SZS status Theorem for /export/starexec/sandbox2/benchmark/theBenchmark.p
% 0.19/0.49  
% 0.19/0.49  % SZS output start CNFRefutation for /export/starexec/sandbox2/benchmark/theBenchmark.p
% See solution above
% 0.19/0.49  
%------------------------------------------------------------------------------