TSTP Solution File: SYN332+1 by Metis---2.4

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Metis---2.4
% Problem  : SYN332+1 : TPTP v8.1.0. Released v2.0.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : metis --show proof --show saturation %s

% Computer : n019.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 : Thu Jul 21 09:01:24 EDT 2022

% Result   : Theorem 0.13s 0.35s
% Output   : CNFRefutation 0.13s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   25
%            Number of leaves      :    1
% Syntax   : Number of formulae    :   55 (   8 unt;   0 def)
%            Number of atoms       :  203 (   0 equ)
%            Maximal formula atoms :   13 (   3 avg)
%            Number of connectives :  237 (  89   ~;  59   |;  32   &)
%                                         (  42 <=>;  15  =>;   0  <=;   0 <~>)
%            Maximal formula depth :   11 (   4 avg)
%            Maximal term depth    :    2 (   1 avg)
%            Number of predicates  :    2 (   1 usr;   1 prp; 0-2 aty)
%            Number of functors    :    1 (   1 usr;   0 con; 2-2 aty)
%            Number of variables   :  110 (   9 sgn  41   !;   8   ?)

% Comments : 
%------------------------------------------------------------------------------
fof(church_46_14_4,conjecture,
    ? [X,Y] :
    ! [Z] :
      ( ~ ( ( big_f(X,Y)
            & big_f(Y,X) )
        <=> big_f(X,Z) )
     => ( ( big_f(X,Z)
        <=> big_f(Z,X) )
       => ( ( big_f(X,Z)
          <=> big_f(Y,Z) )
         => ( ( ( big_f(Y,X)
               => big_f(X,Y) )
            <=> big_f(Z,Z) )
           => ( ( big_f(X,Y)
              <=> big_f(Y,X) )
            <=> big_f(Z,Y) ) ) ) ) ) ).

fof(subgoal_0,plain,
    ? [X,Y] :
    ! [Z] :
      ( ~ ( ( big_f(X,Y)
            & big_f(Y,X) )
        <=> big_f(X,Z) )
     => ( ( big_f(X,Z)
        <=> big_f(Z,X) )
       => ( ( big_f(X,Z)
          <=> big_f(Y,Z) )
         => ( ( ( big_f(Y,X)
               => big_f(X,Y) )
            <=> big_f(Z,Z) )
           => ( ( big_f(X,Y)
              <=> big_f(Y,X) )
            <=> big_f(Z,Y) ) ) ) ) ),
    inference(strip,[],[church_46_14_4]) ).

fof(negate_0_0,plain,
    ~ ? [X,Y] :
      ! [Z] :
        ( ~ ( ( big_f(X,Y)
              & big_f(Y,X) )
          <=> big_f(X,Z) )
       => ( ( big_f(X,Z)
          <=> big_f(Z,X) )
         => ( ( big_f(X,Z)
            <=> big_f(Y,Z) )
           => ( ( ( big_f(Y,X)
                 => big_f(X,Y) )
              <=> big_f(Z,Z) )
             => ( ( big_f(X,Y)
                <=> big_f(Y,X) )
              <=> big_f(Z,Y) ) ) ) ) ),
    inference(negate,[],[subgoal_0]) ).

fof(normalize_0_0,plain,
    ! [X,Y] :
    ? [Z] :
      ( ( ~ big_f(X,Z)
      <=> ~ big_f(Y,Z) )
      & ( ~ big_f(X,Z)
      <=> ~ big_f(Z,X) )
      & ( ~ big_f(X,Z)
      <=> ( big_f(X,Y)
          & big_f(Y,X) ) )
      & ( ~ big_f(Z,Z)
      <=> ( ~ big_f(X,Y)
          & big_f(Y,X) ) )
      & ( ~ big_f(X,Y)
      <=> ( ~ big_f(Y,X)
        <=> ~ big_f(Z,Y) ) ) ),
    inference(canonicalize,[],[negate_0_0]) ).

fof(normalize_0_1,plain,
    ! [X,Y] :
    ? [Z] :
      ( ( ~ big_f(X,Z)
      <=> ~ big_f(Y,Z) )
      & ( ~ big_f(X,Z)
      <=> ~ big_f(Z,X) )
      & ( ~ big_f(X,Z)
      <=> ( big_f(X,Y)
          & big_f(Y,X) ) )
      & ( ~ big_f(Z,Z)
      <=> ( ~ big_f(X,Y)
          & big_f(Y,X) ) )
      & ( ~ big_f(X,Y)
      <=> ( ~ big_f(Y,X)
        <=> ~ big_f(Z,Y) ) ) ),
    inference(specialize,[],[normalize_0_0]) ).

fof(normalize_0_2,plain,
    ! [X,Y] :
      ( ( ~ big_f(X,skolemFOFtoCNF_Z(X,Y))
      <=> ~ big_f(Y,skolemFOFtoCNF_Z(X,Y)) )
      & ( ~ big_f(X,skolemFOFtoCNF_Z(X,Y))
      <=> ~ big_f(skolemFOFtoCNF_Z(X,Y),X) )
      & ( ~ big_f(X,skolemFOFtoCNF_Z(X,Y))
      <=> ( big_f(X,Y)
          & big_f(Y,X) ) )
      & ( ~ big_f(skolemFOFtoCNF_Z(X,Y),skolemFOFtoCNF_Z(X,Y))
      <=> ( ~ big_f(X,Y)
          & big_f(Y,X) ) )
      & ( ~ big_f(X,Y)
      <=> ( ~ big_f(Y,X)
        <=> ~ big_f(skolemFOFtoCNF_Z(X,Y),Y) ) ) ),
    inference(skolemize,[],[normalize_0_1]) ).

fof(normalize_0_3,plain,
    ! [X,Y] :
      ( ~ big_f(X,Y)
    <=> ( ~ big_f(Y,X)
      <=> ~ big_f(skolemFOFtoCNF_Z(X,Y),Y) ) ),
    inference(conjunct,[],[normalize_0_2]) ).

fof(normalize_0_4,plain,
    ! [X,Y] :
      ( ( ~ big_f(X,Y)
        | ~ big_f(Y,X)
        | ~ big_f(skolemFOFtoCNF_Z(X,Y),Y) )
      & ( ~ big_f(X,Y)
        | big_f(Y,X)
        | big_f(skolemFOFtoCNF_Z(X,Y),Y) )
      & ( ~ big_f(Y,X)
        | big_f(X,Y)
        | big_f(skolemFOFtoCNF_Z(X,Y),Y) )
      & ( ~ big_f(skolemFOFtoCNF_Z(X,Y),Y)
        | big_f(X,Y)
        | big_f(Y,X) ) ),
    inference(clausify,[],[normalize_0_3]) ).

fof(normalize_0_5,plain,
    ! [X,Y] :
      ( ~ big_f(X,Y)
      | ~ big_f(Y,X)
      | ~ big_f(skolemFOFtoCNF_Z(X,Y),Y) ),
    inference(conjunct,[],[normalize_0_4]) ).

fof(normalize_0_6,plain,
    ! [X,Y] :
      ( ~ big_f(skolemFOFtoCNF_Z(X,Y),skolemFOFtoCNF_Z(X,Y))
    <=> ( ~ big_f(X,Y)
        & big_f(Y,X) ) ),
    inference(conjunct,[],[normalize_0_2]) ).

fof(normalize_0_7,plain,
    ! [X,Y] :
      ( ( ~ big_f(X,Y)
        | big_f(skolemFOFtoCNF_Z(X,Y),skolemFOFtoCNF_Z(X,Y)) )
      & ( big_f(Y,X)
        | big_f(skolemFOFtoCNF_Z(X,Y),skolemFOFtoCNF_Z(X,Y)) )
      & ( ~ big_f(Y,X)
        | ~ big_f(skolemFOFtoCNF_Z(X,Y),skolemFOFtoCNF_Z(X,Y))
        | big_f(X,Y) ) ),
    inference(clausify,[],[normalize_0_6]) ).

fof(normalize_0_8,plain,
    ! [X,Y] :
      ( ~ big_f(Y,X)
      | ~ big_f(skolemFOFtoCNF_Z(X,Y),skolemFOFtoCNF_Z(X,Y))
      | big_f(X,Y) ),
    inference(conjunct,[],[normalize_0_7]) ).

fof(normalize_0_9,plain,
    ! [X,Y] :
      ( ~ big_f(X,skolemFOFtoCNF_Z(X,Y))
    <=> ( big_f(X,Y)
        & big_f(Y,X) ) ),
    inference(conjunct,[],[normalize_0_2]) ).

fof(normalize_0_10,plain,
    ! [X,Y] :
      ( ( big_f(X,Y)
        | big_f(X,skolemFOFtoCNF_Z(X,Y)) )
      & ( big_f(X,skolemFOFtoCNF_Z(X,Y))
        | big_f(Y,X) )
      & ( ~ big_f(X,Y)
        | ~ big_f(X,skolemFOFtoCNF_Z(X,Y))
        | ~ big_f(Y,X) ) ),
    inference(clausify,[],[normalize_0_9]) ).

fof(normalize_0_11,plain,
    ! [X,Y] :
      ( big_f(X,skolemFOFtoCNF_Z(X,Y))
      | big_f(Y,X) ),
    inference(conjunct,[],[normalize_0_10]) ).

fof(normalize_0_12,plain,
    ! [X,Y] :
      ( ~ big_f(X,skolemFOFtoCNF_Z(X,Y))
    <=> ~ big_f(skolemFOFtoCNF_Z(X,Y),X) ),
    inference(conjunct,[],[normalize_0_2]) ).

fof(normalize_0_13,plain,
    ! [X,Y] :
      ( ( ~ big_f(X,skolemFOFtoCNF_Z(X,Y))
        | big_f(skolemFOFtoCNF_Z(X,Y),X) )
      & ( ~ big_f(skolemFOFtoCNF_Z(X,Y),X)
        | big_f(X,skolemFOFtoCNF_Z(X,Y)) ) ),
    inference(clausify,[],[normalize_0_12]) ).

fof(normalize_0_14,plain,
    ! [X,Y] :
      ( ~ big_f(X,skolemFOFtoCNF_Z(X,Y))
      | big_f(skolemFOFtoCNF_Z(X,Y),X) ),
    inference(conjunct,[],[normalize_0_13]) ).

fof(normalize_0_15,plain,
    ! [X,Y] :
      ( ~ big_f(skolemFOFtoCNF_Z(X,Y),Y)
      | big_f(X,Y)
      | big_f(Y,X) ),
    inference(conjunct,[],[normalize_0_4]) ).

fof(normalize_0_16,plain,
    ! [X,Y] :
      ( ~ big_f(X,skolemFOFtoCNF_Z(X,Y))
    <=> ~ big_f(Y,skolemFOFtoCNF_Z(X,Y)) ),
    inference(conjunct,[],[normalize_0_2]) ).

fof(normalize_0_17,plain,
    ! [X,Y] :
      ( ( ~ big_f(X,skolemFOFtoCNF_Z(X,Y))
        | big_f(Y,skolemFOFtoCNF_Z(X,Y)) )
      & ( ~ big_f(Y,skolemFOFtoCNF_Z(X,Y))
        | big_f(X,skolemFOFtoCNF_Z(X,Y)) ) ),
    inference(clausify,[],[normalize_0_16]) ).

fof(normalize_0_18,plain,
    ! [X,Y] :
      ( ~ big_f(X,skolemFOFtoCNF_Z(X,Y))
      | big_f(Y,skolemFOFtoCNF_Z(X,Y)) ),
    inference(conjunct,[],[normalize_0_17]) ).

cnf(refute_0_0,plain,
    ( ~ big_f(X,Y)
    | ~ big_f(Y,X)
    | ~ big_f(skolemFOFtoCNF_Z(X,Y),Y) ),
    inference(canonicalize,[],[normalize_0_5]) ).

cnf(refute_0_1,plain,
    ( ~ big_f(X,X_44)
    | ~ big_f(X_44,X)
    | ~ big_f(skolemFOFtoCNF_Z(X,X_44),X_44) ),
    inference(subst,[],[refute_0_0:[bind(Y,$fot(X_44))]]) ).

cnf(refute_0_2,plain,
    ( ~ big_f(Y,X)
    | ~ big_f(skolemFOFtoCNF_Z(X,Y),skolemFOFtoCNF_Z(X,Y))
    | big_f(X,Y) ),
    inference(canonicalize,[],[normalize_0_8]) ).

cnf(refute_0_3,plain,
    ( big_f(X,skolemFOFtoCNF_Z(X,Y))
    | big_f(Y,X) ),
    inference(canonicalize,[],[normalize_0_11]) ).

cnf(refute_0_4,plain,
    ( big_f(X_12,skolemFOFtoCNF_Z(X_12,X_13))
    | big_f(X_13,X_12) ),
    inference(subst,[],[refute_0_3:[bind(X,$fot(X_12)),bind(Y,$fot(X_13))]]) ).

cnf(refute_0_5,plain,
    ( ~ big_f(X,skolemFOFtoCNF_Z(X,Y))
    | big_f(skolemFOFtoCNF_Z(X,Y),X) ),
    inference(canonicalize,[],[normalize_0_14]) ).

cnf(refute_0_6,plain,
    ( ~ big_f(X_12,skolemFOFtoCNF_Z(X_12,X_13))
    | big_f(skolemFOFtoCNF_Z(X_12,X_13),X_12) ),
    inference(subst,[],[refute_0_5:[bind(X,$fot(X_12)),bind(Y,$fot(X_13))]]) ).

cnf(refute_0_7,plain,
    ( big_f(X_13,X_12)
    | big_f(skolemFOFtoCNF_Z(X_12,X_13),X_12) ),
    inference(resolve,[$cnf( big_f(X_12,skolemFOFtoCNF_Z(X_12,X_13)) )],[refute_0_4,refute_0_6]) ).

cnf(refute_0_8,plain,
    ( big_f(X_36,X_36)
    | big_f(skolemFOFtoCNF_Z(X_36,X_36),X_36) ),
    inference(subst,[],[refute_0_7:[bind(X_12,$fot(X_36)),bind(X_13,$fot(X_36))]]) ).

cnf(refute_0_9,plain,
    ( ~ big_f(skolemFOFtoCNF_Z(X,Y),Y)
    | big_f(X,Y)
    | big_f(Y,X) ),
    inference(canonicalize,[],[normalize_0_15]) ).

cnf(refute_0_10,plain,
    ( ~ big_f(skolemFOFtoCNF_Z(X_36,X_36),X_36)
    | big_f(X_36,X_36) ),
    inference(subst,[],[refute_0_9:[bind(X,$fot(X_36)),bind(Y,$fot(X_36))]]) ).

cnf(refute_0_11,plain,
    big_f(X_36,X_36),
    inference(resolve,[$cnf( big_f(skolemFOFtoCNF_Z(X_36,X_36),X_36) )],[refute_0_8,refute_0_10]) ).

cnf(refute_0_12,plain,
    big_f(skolemFOFtoCNF_Z(X,Y),skolemFOFtoCNF_Z(X,Y)),
    inference(subst,[],[refute_0_11:[bind(X_36,$fot(skolemFOFtoCNF_Z(X,Y)))]]) ).

cnf(refute_0_13,plain,
    ( ~ big_f(Y,X)
    | big_f(X,Y) ),
    inference(resolve,[$cnf( big_f(skolemFOFtoCNF_Z(X,Y),skolemFOFtoCNF_Z(X,Y)) )],[refute_0_12,refute_0_2]) ).

cnf(refute_0_14,plain,
    ( ~ big_f(X_42,X_43)
    | big_f(X_43,X_42) ),
    inference(subst,[],[refute_0_13:[bind(X,$fot(X_43)),bind(Y,$fot(X_42))]]) ).

cnf(refute_0_15,plain,
    ( ~ big_f(skolemFOFtoCNF_Z(X_41,X_40),X_40)
    | big_f(X_40,X_41)
    | big_f(X_41,X_40) ),
    inference(subst,[],[refute_0_9:[bind(X,$fot(X_41)),bind(Y,$fot(X_40))]]) ).

cnf(refute_0_16,plain,
    ( ~ big_f(X,skolemFOFtoCNF_Z(X,Y))
    | big_f(Y,skolemFOFtoCNF_Z(X,Y)) ),
    inference(canonicalize,[],[normalize_0_18]) ).

cnf(refute_0_17,plain,
    ( ~ big_f(X_6,skolemFOFtoCNF_Z(X_6,X_7))
    | big_f(X_7,skolemFOFtoCNF_Z(X_6,X_7)) ),
    inference(subst,[],[refute_0_16:[bind(X,$fot(X_6)),bind(Y,$fot(X_7))]]) ).

cnf(refute_0_18,plain,
    ( big_f(X_6,skolemFOFtoCNF_Z(X_6,X_7))
    | big_f(X_7,X_6) ),
    inference(subst,[],[refute_0_3:[bind(X,$fot(X_6)),bind(Y,$fot(X_7))]]) ).

cnf(refute_0_19,plain,
    ( big_f(X_7,X_6)
    | big_f(X_7,skolemFOFtoCNF_Z(X_6,X_7)) ),
    inference(resolve,[$cnf( big_f(X_6,skolemFOFtoCNF_Z(X_6,X_7)) )],[refute_0_18,refute_0_17]) ).

cnf(refute_0_20,plain,
    ( big_f(X_39,X_6)
    | big_f(X_39,skolemFOFtoCNF_Z(X_6,X_39)) ),
    inference(subst,[],[refute_0_19:[bind(X_7,$fot(X_39))]]) ).

cnf(refute_0_21,plain,
    ( ~ big_f(X_39,skolemFOFtoCNF_Z(X_6,X_39))
    | big_f(skolemFOFtoCNF_Z(X_6,X_39),X_39) ),
    inference(subst,[],[refute_0_13:[bind(X,$fot(skolemFOFtoCNF_Z(X_6,X_39))),bind(Y,$fot(X_39))]]) ).

cnf(refute_0_22,plain,
    ( big_f(X_39,X_6)
    | big_f(skolemFOFtoCNF_Z(X_6,X_39),X_39) ),
    inference(resolve,[$cnf( big_f(X_39,skolemFOFtoCNF_Z(X_6,X_39)) )],[refute_0_20,refute_0_21]) ).

cnf(refute_0_23,plain,
    ( big_f(X_40,X_41)
    | big_f(skolemFOFtoCNF_Z(X_41,X_40),X_40) ),
    inference(subst,[],[refute_0_22:[bind(X_39,$fot(X_40)),bind(X_6,$fot(X_41))]]) ).

cnf(refute_0_24,plain,
    ( big_f(X_40,X_41)
    | big_f(X_41,X_40) ),
    inference(resolve,[$cnf( big_f(skolemFOFtoCNF_Z(X_41,X_40),X_40) )],[refute_0_23,refute_0_15]) ).

cnf(refute_0_25,plain,
    ( big_f(X_42,X_43)
    | big_f(X_43,X_42) ),
    inference(subst,[],[refute_0_24:[bind(X_40,$fot(X_43)),bind(X_41,$fot(X_42))]]) ).

cnf(refute_0_26,plain,
    big_f(X_43,X_42),
    inference(resolve,[$cnf( big_f(X_42,X_43) )],[refute_0_25,refute_0_14]) ).

cnf(refute_0_27,plain,
    big_f(skolemFOFtoCNF_Z(X,X_44),X_44),
    inference(subst,[],[refute_0_26:[bind(X_42,$fot(X_44)),bind(X_43,$fot(skolemFOFtoCNF_Z(X,X_44)))]]) ).

cnf(refute_0_28,plain,
    ( ~ big_f(X,X_44)
    | ~ big_f(X_44,X) ),
    inference(resolve,[$cnf( big_f(skolemFOFtoCNF_Z(X,X_44),X_44) )],[refute_0_27,refute_0_1]) ).

cnf(refute_0_29,plain,
    big_f(X,X_44),
    inference(subst,[],[refute_0_26:[bind(X_42,$fot(X_44)),bind(X_43,$fot(X))]]) ).

cnf(refute_0_30,plain,
    ~ big_f(X_44,X),
    inference(resolve,[$cnf( big_f(X,X_44) )],[refute_0_29,refute_0_28]) ).

cnf(refute_0_31,plain,
    big_f(X_44,X),
    inference(subst,[],[refute_0_26:[bind(X_42,$fot(X)),bind(X_43,$fot(X_44))]]) ).

cnf(refute_0_32,plain,
    $false,
    inference(resolve,[$cnf( big_f(X_44,X) )],[refute_0_31,refute_0_30]) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.11/0.12  % Problem  : SYN332+1 : TPTP v8.1.0. Released v2.0.0.
% 0.11/0.13  % Command  : metis --show proof --show saturation %s
% 0.13/0.34  % Computer : n019.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 : Tue Jul 12 04:29:08 EDT 2022
% 0.13/0.34  % CPUTime  : 
% 0.13/0.34  %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% 0.13/0.35  % SZS status Theorem for /export/starexec/sandbox/benchmark/theBenchmark.p
% 0.13/0.35  
% 0.13/0.35  % SZS output start CNFRefutation for /export/starexec/sandbox/benchmark/theBenchmark.p
% See solution above
% 0.13/0.36  
%------------------------------------------------------------------------------