TSTP Solution File: SET789+4 by Metis---2.4

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Metis---2.4
% Problem  : SET789+4 : TPTP v8.1.0. Released v3.2.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : metis --show proof --show saturation %s

% Computer : n012.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 03:37:14 EDT 2022

% Result   : Theorem 0.51s 0.70s
% Output   : CNFRefutation 0.51s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   17
%            Number of leaves      :    8
% Syntax   : Number of formulae    :   77 (  20 unt;   2 def)
%            Number of atoms       :  297 (  34 equ)
%            Maximal formula atoms :   35 (   3 avg)
%            Number of connectives :  356 ( 136   ~; 116   |;  75   &)
%                                         (  16 <=>;  13  =>;   0  <=;   0 <~>)
%            Maximal formula depth :   21 (   5 avg)
%            Maximal term depth    :    2 (   1 avg)
%            Number of predicates  :   10 (   7 usr;   1 prp; 0-4 aty)
%            Number of functors    :   11 (  11 usr;   4 con; 0-3 aty)
%            Number of variables   :  169 (   9 sgn  99   !;  33   ?)

% Comments : 
%------------------------------------------------------------------------------
fof(order,axiom,
    ! [R,E] :
      ( order(R,E)
    <=> ( ! [X] :
            ( member(X,E)
           => apply(R,X,X) )
        & ! [X,Y] :
            ( ( member(X,E)
              & member(Y,E) )
           => ( ( apply(R,X,Y)
                & apply(R,Y,X) )
             => X = Y ) )
        & ! [X,Y,Z] :
            ( ( member(X,E)
              & member(Y,E)
              & member(Z,E) )
           => ( ( apply(R,X,Y)
                & apply(R,Y,Z) )
             => apply(R,X,Z) ) ) ) ) ).

fof(upper_bound,axiom,
    ! [R,E,M] :
      ( upper_bound(M,R,E)
    <=> ! [X] :
          ( member(X,E)
         => apply(R,X,M) ) ) ).

fof(greatest,axiom,
    ! [R,E,M] :
      ( greatest(M,R,E)
    <=> ( member(M,E)
        & ! [X] :
            ( member(X,E)
           => apply(R,X,M) ) ) ) ).

fof(thIV1,conjecture,
    ! [R,E,M] :
      ( ( order(R,E)
        & greatest(M,R,E) )
     => ! [X] :
          ( greatest(X,R,E)
         => M = X ) ) ).

fof(definition_0,definition,
    ! [E,R,X,Y] :
      ( definitionFOFtoCNF_0(E,R,X,Y)
    <=> ( ~ apply(R,X,Y)
        | ~ apply(R,Y,X)
        | ~ member(X,E)
        | ~ member(Y,E)
        | X = Y ) ) ).

fof(definition_1,definition,
    ! [E,R,X] :
      ( definitionFOFtoCNF_1(E,R,X)
    <=> ( ~ member(X,E)
        | apply(R,X,X) ) ) ).

fof(subgoal_0,plain,
    ! [R,E,M] :
      ( ( order(R,E)
        & greatest(M,R,E) )
     => ! [X] :
          ( greatest(X,R,E)
         => M = X ) ),
    inference(strip,[],[thIV1]) ).

fof(negate_0_0,plain,
    ~ ! [R,E,M] :
        ( ( order(R,E)
          & greatest(M,R,E) )
       => ! [X] :
            ( greatest(X,R,E)
           => M = X ) ),
    inference(negate,[],[subgoal_0]) ).

fof(normalize_0_0,plain,
    ? [E,M,R] :
      ( greatest(M,R,E)
      & order(R,E)
      & ? [X] :
          ( M != X
          & greatest(X,R,E) ) ),
    inference(canonicalize,[],[negate_0_0]) ).

fof(normalize_0_1,plain,
    ( greatest(skolemFOFtoCNF_M_2,skolemFOFtoCNF_R,skolemFOFtoCNF_E)
    & order(skolemFOFtoCNF_R,skolemFOFtoCNF_E)
    & ? [X] :
        ( skolemFOFtoCNF_M_2 != X
        & greatest(X,skolemFOFtoCNF_R,skolemFOFtoCNF_E) ) ),
    inference(skolemize,[],[normalize_0_0]) ).

fof(normalize_0_2,plain,
    ? [X] :
      ( skolemFOFtoCNF_M_2 != X
      & greatest(X,skolemFOFtoCNF_R,skolemFOFtoCNF_E) ),
    inference(conjunct,[],[normalize_0_1]) ).

fof(normalize_0_3,plain,
    ( skolemFOFtoCNF_M_2 != skolemFOFtoCNF_X_8
    & greatest(skolemFOFtoCNF_X_8,skolemFOFtoCNF_R,skolemFOFtoCNF_E) ),
    inference(skolemize,[],[normalize_0_2]) ).

fof(normalize_0_4,plain,
    greatest(skolemFOFtoCNF_X_8,skolemFOFtoCNF_R,skolemFOFtoCNF_E),
    inference(conjunct,[],[normalize_0_3]) ).

fof(normalize_0_5,plain,
    ! [E,M,R] :
      ( ~ greatest(M,R,E)
    <=> ( ~ member(M,E)
        | ? [X] :
            ( ~ apply(R,X,M)
            & member(X,E) ) ) ),
    inference(canonicalize,[],[greatest]) ).

fof(normalize_0_6,plain,
    ! [E,M,R] :
      ( ~ upper_bound(M,R,E)
    <=> ? [X] :
          ( ~ apply(R,X,M)
          & member(X,E) ) ),
    inference(canonicalize,[],[upper_bound]) ).

fof(normalize_0_7,plain,
    ! [E,M,R] :
      ( ~ upper_bound(M,R,E)
    <=> ? [X] :
          ( ~ apply(R,X,M)
          & member(X,E) ) ),
    inference(specialize,[],[normalize_0_6]) ).

fof(normalize_0_8,plain,
    ! [E,M,R] :
      ( ~ greatest(M,R,E)
    <=> ( ~ member(M,E)
        | ~ upper_bound(M,R,E) ) ),
    inference(simplify,[],[normalize_0_5,normalize_0_7]) ).

fof(normalize_0_9,plain,
    ! [E,M,R] :
      ( ~ greatest(M,R,E)
    <=> ( ~ member(M,E)
        | ~ upper_bound(M,R,E) ) ),
    inference(specialize,[],[normalize_0_8]) ).

fof(normalize_0_10,plain,
    ! [E,M,R] :
      ( ( ~ greatest(M,R,E)
        | member(M,E) )
      & ( ~ greatest(M,R,E)
        | upper_bound(M,R,E) )
      & ( ~ member(M,E)
        | ~ upper_bound(M,R,E)
        | greatest(M,R,E) ) ),
    inference(clausify,[],[normalize_0_9]) ).

fof(normalize_0_11,plain,
    ! [E,M,R] :
      ( ~ greatest(M,R,E)
      | member(M,E) ),
    inference(conjunct,[],[normalize_0_10]) ).

fof(normalize_0_12,plain,
    greatest(skolemFOFtoCNF_M_2,skolemFOFtoCNF_R,skolemFOFtoCNF_E),
    inference(conjunct,[],[normalize_0_1]) ).

fof(normalize_0_13,plain,
    ! [E,M,R] :
      ( ~ greatest(M,R,E)
      | upper_bound(M,R,E) ),
    inference(conjunct,[],[normalize_0_10]) ).

fof(normalize_0_14,plain,
    ! [E,M,R,X] :
      ( ( ~ apply(R,skolemFOFtoCNF_X_4(E,M,R),M)
        | upper_bound(M,R,E) )
      & ( member(skolemFOFtoCNF_X_4(E,M,R),E)
        | upper_bound(M,R,E) )
      & ( ~ member(X,E)
        | ~ upper_bound(M,R,E)
        | apply(R,X,M) ) ),
    inference(clausify,[],[normalize_0_7]) ).

fof(normalize_0_15,plain,
    ! [E,M,R,X] :
      ( ~ member(X,E)
      | ~ upper_bound(M,R,E)
      | apply(R,X,M) ),
    inference(conjunct,[],[normalize_0_14]) ).

fof(normalize_0_16,plain,
    order(skolemFOFtoCNF_R,skolemFOFtoCNF_E),
    inference(conjunct,[],[normalize_0_1]) ).

fof(normalize_0_17,plain,
    ! [E,R] :
      ( ~ order(R,E)
    <=> ( ? [X] :
            ( ~ apply(R,X,X)
            & member(X,E) )
        | ? [X,Y] :
            ( X != Y
            & apply(R,X,Y)
            & apply(R,Y,X)
            & member(X,E)
            & member(Y,E) )
        | ? [X,Y,Z] :
            ( ~ apply(R,X,Z)
            & apply(R,X,Y)
            & apply(R,Y,Z)
            & member(X,E)
            & member(Y,E)
            & member(Z,E) ) ) ),
    inference(canonicalize,[],[order]) ).

fof(normalize_0_18,plain,
    ! [E,R] :
      ( ~ order(R,E)
    <=> ( ? [X] :
            ( ~ apply(R,X,X)
            & member(X,E) )
        | ? [X,Y] :
            ( X != Y
            & apply(R,X,Y)
            & apply(R,Y,X)
            & member(X,E)
            & member(Y,E) )
        | ? [X,Y,Z] :
            ( ~ apply(R,X,Z)
            & apply(R,X,Y)
            & apply(R,Y,Z)
            & member(X,E)
            & member(Y,E)
            & member(Z,E) ) ) ),
    inference(specialize,[],[normalize_0_17]) ).

fof(normalize_0_19,plain,
    ! [E,R,X,Y] :
      ( ~ definitionFOFtoCNF_0(E,R,X,Y)
    <=> ( X != Y
        & apply(R,X,Y)
        & apply(R,Y,X)
        & member(X,E)
        & member(Y,E) ) ),
    inference(canonicalize,[],[definition_0]) ).

fof(normalize_0_20,plain,
    ! [E,R] :
      ( ~ order(R,E)
    <=> ( ? [X] :
            ( ~ apply(R,X,X)
            & member(X,E) )
        | ? [X,Y] : ~ definitionFOFtoCNF_0(E,R,X,Y)
        | ? [X,Y,Z] :
            ( ~ apply(R,X,Z)
            & apply(R,X,Y)
            & apply(R,Y,Z)
            & member(X,E)
            & member(Y,E)
            & member(Z,E) ) ) ),
    inference(simplify,[],[normalize_0_18,normalize_0_19]) ).

fof(normalize_0_21,plain,
    ! [E,R,X] :
      ( ~ definitionFOFtoCNF_1(E,R,X)
    <=> ( ~ apply(R,X,X)
        & member(X,E) ) ),
    inference(canonicalize,[],[definition_1]) ).

fof(normalize_0_22,plain,
    ! [E,R] :
      ( ~ order(R,E)
    <=> ( ? [X] : ~ definitionFOFtoCNF_1(E,R,X)
        | ? [X,Y] : ~ definitionFOFtoCNF_0(E,R,X,Y)
        | ? [X,Y,Z] :
            ( ~ apply(R,X,Z)
            & apply(R,X,Y)
            & apply(R,Y,Z)
            & member(X,E)
            & member(Y,E)
            & member(Z,E) ) ) ),
    inference(simplify,[],[normalize_0_20,normalize_0_21]) ).

fof(normalize_0_23,plain,
    ! [E,R,X,Y,Z] :
      ( ( ~ order(R,E)
        | definitionFOFtoCNF_0(E,R,X,Y) )
      & ( ~ order(R,E)
        | definitionFOFtoCNF_1(E,R,X) )
      & ( ~ apply(R,skolemFOFtoCNF_X_2(E,R),skolemFOFtoCNF_Z(E,R))
        | ~ definitionFOFtoCNF_0(E,R,skolemFOFtoCNF_X_1(E,R),skolemFOFtoCNF_Y(E,R))
        | ~ definitionFOFtoCNF_1(E,R,skolemFOFtoCNF_X(E,R))
        | order(R,E) )
      & ( ~ definitionFOFtoCNF_0(E,R,skolemFOFtoCNF_X_1(E,R),skolemFOFtoCNF_Y(E,R))
        | ~ definitionFOFtoCNF_1(E,R,skolemFOFtoCNF_X(E,R))
        | apply(R,skolemFOFtoCNF_X_2(E,R),skolemFOFtoCNF_Y_1(E,R))
        | order(R,E) )
      & ( ~ definitionFOFtoCNF_0(E,R,skolemFOFtoCNF_X_1(E,R),skolemFOFtoCNF_Y(E,R))
        | ~ definitionFOFtoCNF_1(E,R,skolemFOFtoCNF_X(E,R))
        | apply(R,skolemFOFtoCNF_Y_1(E,R),skolemFOFtoCNF_Z(E,R))
        | order(R,E) )
      & ( ~ definitionFOFtoCNF_0(E,R,skolemFOFtoCNF_X_1(E,R),skolemFOFtoCNF_Y(E,R))
        | ~ definitionFOFtoCNF_1(E,R,skolemFOFtoCNF_X(E,R))
        | member(skolemFOFtoCNF_X_2(E,R),E)
        | order(R,E) )
      & ( ~ definitionFOFtoCNF_0(E,R,skolemFOFtoCNF_X_1(E,R),skolemFOFtoCNF_Y(E,R))
        | ~ definitionFOFtoCNF_1(E,R,skolemFOFtoCNF_X(E,R))
        | member(skolemFOFtoCNF_Y_1(E,R),E)
        | order(R,E) )
      & ( ~ definitionFOFtoCNF_0(E,R,skolemFOFtoCNF_X_1(E,R),skolemFOFtoCNF_Y(E,R))
        | ~ definitionFOFtoCNF_1(E,R,skolemFOFtoCNF_X(E,R))
        | member(skolemFOFtoCNF_Z(E,R),E)
        | order(R,E) )
      & ( ~ apply(R,X,Y)
        | ~ apply(R,Y,Z)
        | ~ member(X,E)
        | ~ member(Y,E)
        | ~ member(Z,E)
        | ~ order(R,E)
        | apply(R,X,Z) ) ),
    inference(clausify,[],[normalize_0_22]) ).

fof(normalize_0_24,plain,
    ! [E,R,X,Y] :
      ( ~ order(R,E)
      | definitionFOFtoCNF_0(E,R,X,Y) ),
    inference(conjunct,[],[normalize_0_23]) ).

fof(normalize_0_25,plain,
    ! [E,R,X,Y] :
      ( ( X != Y
        | definitionFOFtoCNF_0(E,R,X,Y) )
      & ( apply(R,X,Y)
        | definitionFOFtoCNF_0(E,R,X,Y) )
      & ( apply(R,Y,X)
        | definitionFOFtoCNF_0(E,R,X,Y) )
      & ( definitionFOFtoCNF_0(E,R,X,Y)
        | member(X,E) )
      & ( definitionFOFtoCNF_0(E,R,X,Y)
        | member(Y,E) )
      & ( ~ apply(R,X,Y)
        | ~ apply(R,Y,X)
        | ~ definitionFOFtoCNF_0(E,R,X,Y)
        | ~ member(X,E)
        | ~ member(Y,E)
        | X = Y ) ),
    inference(clausify,[],[normalize_0_19]) ).

fof(normalize_0_26,plain,
    ! [E,R,X,Y] :
      ( ~ apply(R,X,Y)
      | ~ apply(R,Y,X)
      | ~ definitionFOFtoCNF_0(E,R,X,Y)
      | ~ member(X,E)
      | ~ member(Y,E)
      | X = Y ),
    inference(conjunct,[],[normalize_0_25]) ).

fof(normalize_0_27,plain,
    skolemFOFtoCNF_M_2 != skolemFOFtoCNF_X_8,
    inference(conjunct,[],[normalize_0_3]) ).

cnf(refute_0_0,plain,
    greatest(skolemFOFtoCNF_X_8,skolemFOFtoCNF_R,skolemFOFtoCNF_E),
    inference(canonicalize,[],[normalize_0_4]) ).

cnf(refute_0_1,plain,
    ( ~ greatest(M,R,E)
    | member(M,E) ),
    inference(canonicalize,[],[normalize_0_11]) ).

cnf(refute_0_2,plain,
    ( ~ greatest(skolemFOFtoCNF_X_8,skolemFOFtoCNF_R,skolemFOFtoCNF_E)
    | member(skolemFOFtoCNF_X_8,skolemFOFtoCNF_E) ),
    inference(subst,[],[refute_0_1:[bind(E,$fot(skolemFOFtoCNF_E)),bind(M,$fot(skolemFOFtoCNF_X_8)),bind(R,$fot(skolemFOFtoCNF_R))]]) ).

cnf(refute_0_3,plain,
    member(skolemFOFtoCNF_X_8,skolemFOFtoCNF_E),
    inference(resolve,[$cnf( greatest(skolemFOFtoCNF_X_8,skolemFOFtoCNF_R,skolemFOFtoCNF_E) )],[refute_0_0,refute_0_2]) ).

cnf(refute_0_4,plain,
    greatest(skolemFOFtoCNF_M_2,skolemFOFtoCNF_R,skolemFOFtoCNF_E),
    inference(canonicalize,[],[normalize_0_12]) ).

cnf(refute_0_5,plain,
    ( ~ greatest(M,R,E)
    | upper_bound(M,R,E) ),
    inference(canonicalize,[],[normalize_0_13]) ).

cnf(refute_0_6,plain,
    ( ~ greatest(skolemFOFtoCNF_M_2,skolemFOFtoCNF_R,skolemFOFtoCNF_E)
    | upper_bound(skolemFOFtoCNF_M_2,skolemFOFtoCNF_R,skolemFOFtoCNF_E) ),
    inference(subst,[],[refute_0_5:[bind(E,$fot(skolemFOFtoCNF_E)),bind(M,$fot(skolemFOFtoCNF_M_2)),bind(R,$fot(skolemFOFtoCNF_R))]]) ).

cnf(refute_0_7,plain,
    upper_bound(skolemFOFtoCNF_M_2,skolemFOFtoCNF_R,skolemFOFtoCNF_E),
    inference(resolve,[$cnf( greatest(skolemFOFtoCNF_M_2,skolemFOFtoCNF_R,skolemFOFtoCNF_E) )],[refute_0_4,refute_0_6]) ).

cnf(refute_0_8,plain,
    ( ~ member(X,E)
    | ~ upper_bound(M,R,E)
    | apply(R,X,M) ),
    inference(canonicalize,[],[normalize_0_15]) ).

cnf(refute_0_9,plain,
    ( ~ member(X_155,skolemFOFtoCNF_E)
    | ~ upper_bound(skolemFOFtoCNF_M_2,skolemFOFtoCNF_R,skolemFOFtoCNF_E)
    | apply(skolemFOFtoCNF_R,X_155,skolemFOFtoCNF_M_2) ),
    inference(subst,[],[refute_0_8:[bind(E,$fot(skolemFOFtoCNF_E)),bind(M,$fot(skolemFOFtoCNF_M_2)),bind(R,$fot(skolemFOFtoCNF_R)),bind(X,$fot(X_155))]]) ).

cnf(refute_0_10,plain,
    ( ~ member(X_155,skolemFOFtoCNF_E)
    | apply(skolemFOFtoCNF_R,X_155,skolemFOFtoCNF_M_2) ),
    inference(resolve,[$cnf( upper_bound(skolemFOFtoCNF_M_2,skolemFOFtoCNF_R,skolemFOFtoCNF_E) )],[refute_0_7,refute_0_9]) ).

cnf(refute_0_11,plain,
    ( ~ member(skolemFOFtoCNF_X_8,skolemFOFtoCNF_E)
    | apply(skolemFOFtoCNF_R,skolemFOFtoCNF_X_8,skolemFOFtoCNF_M_2) ),
    inference(subst,[],[refute_0_10:[bind(X_155,$fot(skolemFOFtoCNF_X_8))]]) ).

cnf(refute_0_12,plain,
    apply(skolemFOFtoCNF_R,skolemFOFtoCNF_X_8,skolemFOFtoCNF_M_2),
    inference(resolve,[$cnf( member(skolemFOFtoCNF_X_8,skolemFOFtoCNF_E) )],[refute_0_3,refute_0_11]) ).

cnf(refute_0_13,plain,
    order(skolemFOFtoCNF_R,skolemFOFtoCNF_E),
    inference(canonicalize,[],[normalize_0_16]) ).

cnf(refute_0_14,plain,
    ( ~ order(R,E)
    | definitionFOFtoCNF_0(E,R,X,Y) ),
    inference(canonicalize,[],[normalize_0_24]) ).

cnf(refute_0_15,plain,
    ( ~ order(skolemFOFtoCNF_R,skolemFOFtoCNF_E)
    | definitionFOFtoCNF_0(skolemFOFtoCNF_E,skolemFOFtoCNF_R,X_60,X_61) ),
    inference(subst,[],[refute_0_14:[bind(E,$fot(skolemFOFtoCNF_E)),bind(R,$fot(skolemFOFtoCNF_R)),bind(X,$fot(X_60)),bind(Y,$fot(X_61))]]) ).

cnf(refute_0_16,plain,
    definitionFOFtoCNF_0(skolemFOFtoCNF_E,skolemFOFtoCNF_R,X_60,X_61),
    inference(resolve,[$cnf( order(skolemFOFtoCNF_R,skolemFOFtoCNF_E) )],[refute_0_13,refute_0_15]) ).

cnf(refute_0_17,plain,
    definitionFOFtoCNF_0(skolemFOFtoCNF_E,skolemFOFtoCNF_R,X_820,X_821),
    inference(subst,[],[refute_0_16:[bind(X_60,$fot(X_820)),bind(X_61,$fot(X_821))]]) ).

cnf(refute_0_18,plain,
    ( ~ apply(R,X,Y)
    | ~ apply(R,Y,X)
    | ~ definitionFOFtoCNF_0(E,R,X,Y)
    | ~ member(X,E)
    | ~ member(Y,E)
    | X = Y ),
    inference(canonicalize,[],[normalize_0_26]) ).

cnf(refute_0_19,plain,
    ( ~ apply(skolemFOFtoCNF_R,X_820,X_821)
    | ~ apply(skolemFOFtoCNF_R,X_821,X_820)
    | ~ definitionFOFtoCNF_0(skolemFOFtoCNF_E,skolemFOFtoCNF_R,X_820,X_821)
    | ~ member(X_820,skolemFOFtoCNF_E)
    | ~ member(X_821,skolemFOFtoCNF_E)
    | X_820 = X_821 ),
    inference(subst,[],[refute_0_18:[bind(E,$fot(skolemFOFtoCNF_E)),bind(R,$fot(skolemFOFtoCNF_R)),bind(X,$fot(X_820)),bind(Y,$fot(X_821))]]) ).

cnf(refute_0_20,plain,
    ( ~ apply(skolemFOFtoCNF_R,X_820,X_821)
    | ~ apply(skolemFOFtoCNF_R,X_821,X_820)
    | ~ member(X_820,skolemFOFtoCNF_E)
    | ~ member(X_821,skolemFOFtoCNF_E)
    | X_820 = X_821 ),
    inference(resolve,[$cnf( definitionFOFtoCNF_0(skolemFOFtoCNF_E,skolemFOFtoCNF_R,X_820,X_821) )],[refute_0_17,refute_0_19]) ).

cnf(refute_0_21,plain,
    ( ~ apply(skolemFOFtoCNF_R,skolemFOFtoCNF_M_2,skolemFOFtoCNF_X_8)
    | ~ apply(skolemFOFtoCNF_R,skolemFOFtoCNF_X_8,skolemFOFtoCNF_M_2)
    | ~ member(skolemFOFtoCNF_M_2,skolemFOFtoCNF_E)
    | ~ member(skolemFOFtoCNF_X_8,skolemFOFtoCNF_E)
    | skolemFOFtoCNF_X_8 = skolemFOFtoCNF_M_2 ),
    inference(subst,[],[refute_0_20:[bind(X_820,$fot(skolemFOFtoCNF_X_8)),bind(X_821,$fot(skolemFOFtoCNF_M_2))]]) ).

cnf(refute_0_22,plain,
    ( ~ apply(skolemFOFtoCNF_R,skolemFOFtoCNF_M_2,skolemFOFtoCNF_X_8)
    | ~ member(skolemFOFtoCNF_M_2,skolemFOFtoCNF_E)
    | ~ member(skolemFOFtoCNF_X_8,skolemFOFtoCNF_E)
    | skolemFOFtoCNF_X_8 = skolemFOFtoCNF_M_2 ),
    inference(resolve,[$cnf( apply(skolemFOFtoCNF_R,skolemFOFtoCNF_X_8,skolemFOFtoCNF_M_2) )],[refute_0_12,refute_0_21]) ).

cnf(refute_0_23,plain,
    ( ~ greatest(skolemFOFtoCNF_M_2,skolemFOFtoCNF_R,skolemFOFtoCNF_E)
    | member(skolemFOFtoCNF_M_2,skolemFOFtoCNF_E) ),
    inference(subst,[],[refute_0_1:[bind(E,$fot(skolemFOFtoCNF_E)),bind(M,$fot(skolemFOFtoCNF_M_2)),bind(R,$fot(skolemFOFtoCNF_R))]]) ).

cnf(refute_0_24,plain,
    member(skolemFOFtoCNF_M_2,skolemFOFtoCNF_E),
    inference(resolve,[$cnf( greatest(skolemFOFtoCNF_M_2,skolemFOFtoCNF_R,skolemFOFtoCNF_E) )],[refute_0_4,refute_0_23]) ).

cnf(refute_0_25,plain,
    ( ~ greatest(skolemFOFtoCNF_X_8,skolemFOFtoCNF_R,skolemFOFtoCNF_E)
    | upper_bound(skolemFOFtoCNF_X_8,skolemFOFtoCNF_R,skolemFOFtoCNF_E) ),
    inference(subst,[],[refute_0_5:[bind(E,$fot(skolemFOFtoCNF_E)),bind(M,$fot(skolemFOFtoCNF_X_8)),bind(R,$fot(skolemFOFtoCNF_R))]]) ).

cnf(refute_0_26,plain,
    upper_bound(skolemFOFtoCNF_X_8,skolemFOFtoCNF_R,skolemFOFtoCNF_E),
    inference(resolve,[$cnf( greatest(skolemFOFtoCNF_X_8,skolemFOFtoCNF_R,skolemFOFtoCNF_E) )],[refute_0_0,refute_0_25]) ).

cnf(refute_0_27,plain,
    ( ~ member(X_155,skolemFOFtoCNF_E)
    | ~ upper_bound(skolemFOFtoCNF_X_8,skolemFOFtoCNF_R,skolemFOFtoCNF_E)
    | apply(skolemFOFtoCNF_R,X_155,skolemFOFtoCNF_X_8) ),
    inference(subst,[],[refute_0_8:[bind(E,$fot(skolemFOFtoCNF_E)),bind(M,$fot(skolemFOFtoCNF_X_8)),bind(R,$fot(skolemFOFtoCNF_R)),bind(X,$fot(X_155))]]) ).

cnf(refute_0_28,plain,
    ( ~ member(X_155,skolemFOFtoCNF_E)
    | apply(skolemFOFtoCNF_R,X_155,skolemFOFtoCNF_X_8) ),
    inference(resolve,[$cnf( upper_bound(skolemFOFtoCNF_X_8,skolemFOFtoCNF_R,skolemFOFtoCNF_E) )],[refute_0_26,refute_0_27]) ).

cnf(refute_0_29,plain,
    ( ~ member(skolemFOFtoCNF_M_2,skolemFOFtoCNF_E)
    | apply(skolemFOFtoCNF_R,skolemFOFtoCNF_M_2,skolemFOFtoCNF_X_8) ),
    inference(subst,[],[refute_0_28:[bind(X_155,$fot(skolemFOFtoCNF_M_2))]]) ).

cnf(refute_0_30,plain,
    apply(skolemFOFtoCNF_R,skolemFOFtoCNF_M_2,skolemFOFtoCNF_X_8),
    inference(resolve,[$cnf( member(skolemFOFtoCNF_M_2,skolemFOFtoCNF_E) )],[refute_0_24,refute_0_29]) ).

cnf(refute_0_31,plain,
    ( ~ member(skolemFOFtoCNF_M_2,skolemFOFtoCNF_E)
    | ~ member(skolemFOFtoCNF_X_8,skolemFOFtoCNF_E)
    | skolemFOFtoCNF_X_8 = skolemFOFtoCNF_M_2 ),
    inference(resolve,[$cnf( apply(skolemFOFtoCNF_R,skolemFOFtoCNF_M_2,skolemFOFtoCNF_X_8) )],[refute_0_30,refute_0_22]) ).

cnf(refute_0_32,plain,
    ( ~ member(skolemFOFtoCNF_X_8,skolemFOFtoCNF_E)
    | skolemFOFtoCNF_X_8 = skolemFOFtoCNF_M_2 ),
    inference(resolve,[$cnf( member(skolemFOFtoCNF_M_2,skolemFOFtoCNF_E) )],[refute_0_24,refute_0_31]) ).

cnf(refute_0_33,plain,
    skolemFOFtoCNF_X_8 = skolemFOFtoCNF_M_2,
    inference(resolve,[$cnf( member(skolemFOFtoCNF_X_8,skolemFOFtoCNF_E) )],[refute_0_3,refute_0_32]) ).

cnf(refute_0_34,plain,
    skolemFOFtoCNF_M_2 != skolemFOFtoCNF_X_8,
    inference(canonicalize,[],[normalize_0_27]) ).

cnf(refute_0_35,plain,
    X0 = X0,
    introduced(tautology,[refl,[$fot(X0)]]) ).

cnf(refute_0_36,plain,
    ( X0 != X0
    | X0 != Y0
    | Y0 = X0 ),
    introduced(tautology,[equality,[$cnf( $equal(X0,X0) ),[0],$fot(Y0)]]) ).

cnf(refute_0_37,plain,
    ( X0 != Y0
    | Y0 = X0 ),
    inference(resolve,[$cnf( $equal(X0,X0) )],[refute_0_35,refute_0_36]) ).

cnf(refute_0_38,plain,
    ( skolemFOFtoCNF_X_8 != skolemFOFtoCNF_M_2
    | skolemFOFtoCNF_M_2 = skolemFOFtoCNF_X_8 ),
    inference(subst,[],[refute_0_37:[bind(X0,$fot(skolemFOFtoCNF_X_8)),bind(Y0,$fot(skolemFOFtoCNF_M_2))]]) ).

cnf(refute_0_39,plain,
    skolemFOFtoCNF_X_8 != skolemFOFtoCNF_M_2,
    inference(resolve,[$cnf( $equal(skolemFOFtoCNF_M_2,skolemFOFtoCNF_X_8) )],[refute_0_38,refute_0_34]) ).

cnf(refute_0_40,plain,
    $false,
    inference(resolve,[$cnf( $equal(skolemFOFtoCNF_X_8,skolemFOFtoCNF_M_2) )],[refute_0_33,refute_0_39]) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.03/0.13  % Problem  : SET789+4 : TPTP v8.1.0. Released v3.2.0.
% 0.03/0.13  % Command  : metis --show proof --show saturation %s
% 0.13/0.35  % Computer : n012.cluster.edu
% 0.13/0.35  % Model    : x86_64 x86_64
% 0.13/0.35  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.13/0.35  % Memory   : 8042.1875MB
% 0.13/0.35  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.13/0.35  % CPULimit : 300
% 0.13/0.35  % WCLimit  : 600
% 0.13/0.35  % DateTime : Mon Jul 11 04:44:28 EDT 2022
% 0.13/0.35  % CPUTime  : 
% 0.13/0.35  %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% 0.51/0.70  % SZS status Theorem for /export/starexec/sandbox/benchmark/theBenchmark.p
% 0.51/0.70  
% 0.51/0.70  % SZS output start CNFRefutation for /export/starexec/sandbox/benchmark/theBenchmark.p
% See solution above
% 0.51/0.71  
%------------------------------------------------------------------------------