TSTP Solution File: SYN084+1 by Metis---2.4

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%------------------------------------------------------------------------------
% File     : Metis---2.4
% Problem  : SYN084+1 : TPTP v8.1.0. Released v2.0.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : metis --show proof --show saturation %s

% Computer : n022.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 08:59:27 EDT 2022

% Result   : Theorem 0.12s 0.34s
% Output   : CNFRefutation 0.12s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   14
%            Number of leaves      :    1
% Syntax   : Number of formulae    :   63 (  21 unt;   0 def)
%            Number of atoms       :  204 (   0 equ)
%            Maximal formula atoms :   10 (   3 avg)
%            Number of connectives :  224 (  83   ~;  65   |;  51   &)
%                                         (   1 <=>;  24  =>;   0  <=;   0 <~>)
%            Maximal formula depth :    9 (   4 avg)
%            Maximal term depth    :    3 (   2 avg)
%            Number of predicates  :    2 (   1 usr;   1 prp; 0-1 aty)
%            Number of functors    :    5 (   5 usr;   4 con; 0-1 aty)
%            Number of variables   :   44 (   0 sgn  34   !;   6   ?)

% Comments : 
%------------------------------------------------------------------------------
fof(pel62,conjecture,
    ( ! [X] :
        ( ( big_p(a)
          & ( big_p(X)
           => big_p(f(X)) ) )
       => big_p(f(f(X))) )
  <=> ! [X1] :
        ( ( ~ big_p(a)
          | big_p(X1)
          | big_p(f(f(X1))) )
        & ( ~ big_p(a)
          | ~ big_p(f(X1))
          | big_p(f(f(X1))) ) ) ) ).

fof(subgoal_0,plain,
    ( ! [X] :
        ( ( big_p(a)
          & ( big_p(X)
           => big_p(f(X)) ) )
       => big_p(f(f(X))) )
   => ! [X1] :
        ( ( ~ ~ big_p(a)
          & ~ big_p(X1) )
       => big_p(f(f(X1))) ) ),
    inference(strip,[],[pel62]) ).

fof(subgoal_1,plain,
    ( ! [X] :
        ( ( big_p(a)
          & ( big_p(X)
           => big_p(f(X)) ) )
       => big_p(f(f(X))) )
   => ! [X1] :
        ( ( ( ~ big_p(a)
            | big_p(X1)
            | big_p(f(f(X1))) )
          & ~ ~ big_p(a)
          & ~ ~ big_p(f(X1)) )
       => big_p(f(f(X1))) ) ),
    inference(strip,[],[pel62]) ).

fof(subgoal_2,plain,
    ( ! [X1] :
        ( ( ~ big_p(a)
          | big_p(X1)
          | big_p(f(f(X1))) )
        & ( ~ big_p(a)
          | ~ big_p(f(X1))
          | big_p(f(f(X1))) ) )
   => ! [X] :
        ( ( big_p(a)
          & ( big_p(X)
           => big_p(f(X)) ) )
       => big_p(f(f(X))) ) ),
    inference(strip,[],[pel62]) ).

fof(negate_0_0,plain,
    ~ ( ! [X] :
          ( ( big_p(a)
            & ( big_p(X)
             => big_p(f(X)) ) )
         => big_p(f(f(X))) )
     => ! [X1] :
          ( ( ~ ~ big_p(a)
            & ~ big_p(X1) )
         => big_p(f(f(X1))) ) ),
    inference(negate,[],[subgoal_0]) ).

fof(normalize_0_0,plain,
    ( ? [X1] :
        ( ~ big_p(X1)
        & ~ big_p(f(f(X1)))
        & big_p(a) )
    & ! [X] :
        ( ~ big_p(a)
        | big_p(f(f(X)))
        | ( ~ big_p(f(X))
          & big_p(X) ) ) ),
    inference(canonicalize,[],[negate_0_0]) ).

fof(normalize_0_1,plain,
    ? [X1] :
      ( ~ big_p(X1)
      & ~ big_p(f(f(X1)))
      & big_p(a) ),
    inference(conjunct,[],[normalize_0_0]) ).

fof(normalize_0_2,plain,
    ( ~ big_p(f(f(skolemFOFtoCNF_X1)))
    & ~ big_p(skolemFOFtoCNF_X1)
    & big_p(a) ),
    inference(skolemize,[],[normalize_0_1]) ).

fof(normalize_0_3,plain,
    ~ big_p(f(f(skolemFOFtoCNF_X1))),
    inference(conjunct,[],[normalize_0_2]) ).

fof(normalize_0_4,plain,
    ! [X] :
      ( ~ big_p(a)
      | big_p(f(f(X)))
      | ( ~ big_p(f(X))
        & big_p(X) ) ),
    inference(conjunct,[],[normalize_0_0]) ).

fof(normalize_0_5,plain,
    big_p(a),
    inference(conjunct,[],[normalize_0_2]) ).

fof(normalize_0_6,plain,
    ! [X] :
      ( big_p(f(f(X)))
      | ( ~ big_p(f(X))
        & big_p(X) ) ),
    inference(simplify,[],[normalize_0_4,normalize_0_5]) ).

fof(normalize_0_7,plain,
    ! [X] :
      ( big_p(f(f(X)))
      | ( ~ big_p(f(X))
        & big_p(X) ) ),
    inference(specialize,[],[normalize_0_6]) ).

fof(normalize_0_8,plain,
    ! [X] :
      ( ( ~ big_p(f(X))
        | big_p(f(f(X))) )
      & ( big_p(X)
        | big_p(f(f(X))) ) ),
    inference(clausify,[],[normalize_0_7]) ).

fof(normalize_0_9,plain,
    ! [X] :
      ( big_p(X)
      | big_p(f(f(X))) ),
    inference(conjunct,[],[normalize_0_8]) ).

fof(normalize_0_10,plain,
    ~ big_p(skolemFOFtoCNF_X1),
    inference(conjunct,[],[normalize_0_2]) ).

cnf(refute_0_0,plain,
    ~ big_p(f(f(skolemFOFtoCNF_X1))),
    inference(canonicalize,[],[normalize_0_3]) ).

cnf(refute_0_1,plain,
    ( big_p(X)
    | big_p(f(f(X))) ),
    inference(canonicalize,[],[normalize_0_9]) ).

cnf(refute_0_2,plain,
    ( big_p(f(f(skolemFOFtoCNF_X1)))
    | big_p(skolemFOFtoCNF_X1) ),
    inference(subst,[],[refute_0_1:[bind(X,$fot(skolemFOFtoCNF_X1))]]) ).

cnf(refute_0_3,plain,
    big_p(skolemFOFtoCNF_X1),
    inference(resolve,[$cnf( big_p(f(f(skolemFOFtoCNF_X1))) )],[refute_0_2,refute_0_0]) ).

cnf(refute_0_4,plain,
    ~ big_p(skolemFOFtoCNF_X1),
    inference(canonicalize,[],[normalize_0_10]) ).

cnf(refute_0_5,plain,
    $false,
    inference(resolve,[$cnf( big_p(skolemFOFtoCNF_X1) )],[refute_0_3,refute_0_4]) ).

fof(negate_1_0,plain,
    ~ ( ! [X] :
          ( ( big_p(a)
            & ( big_p(X)
             => big_p(f(X)) ) )
         => big_p(f(f(X))) )
     => ! [X1] :
          ( ( ( ~ big_p(a)
              | big_p(X1)
              | big_p(f(f(X1))) )
            & ~ ~ big_p(a)
            & ~ ~ big_p(f(X1)) )
         => big_p(f(f(X1))) ) ),
    inference(negate,[],[subgoal_1]) ).

fof(normalize_1_0,plain,
    ( ? [X1] :
        ( ~ big_p(f(f(X1)))
        & big_p(a)
        & big_p(f(X1))
        & ( ~ big_p(a)
          | big_p(X1)
          | big_p(f(f(X1))) ) )
    & ! [X] :
        ( ~ big_p(a)
        | big_p(f(f(X)))
        | ( ~ big_p(f(X))
          & big_p(X) ) ) ),
    inference(canonicalize,[],[negate_1_0]) ).

fof(normalize_1_1,plain,
    ? [X1] :
      ( ~ big_p(f(f(X1)))
      & big_p(a)
      & big_p(f(X1))
      & ( ~ big_p(a)
        | big_p(X1)
        | big_p(f(f(X1))) ) ),
    inference(conjunct,[],[normalize_1_0]) ).

fof(normalize_1_2,plain,
    ( ~ big_p(f(f(skolemFOFtoCNF_X1_1)))
    & big_p(a)
    & big_p(f(skolemFOFtoCNF_X1_1))
    & ( ~ big_p(a)
      | big_p(f(f(skolemFOFtoCNF_X1_1)))
      | big_p(skolemFOFtoCNF_X1_1) ) ),
    inference(skolemize,[],[normalize_1_1]) ).

fof(normalize_1_3,plain,
    big_p(f(skolemFOFtoCNF_X1_1)),
    inference(conjunct,[],[normalize_1_2]) ).

fof(normalize_1_4,plain,
    ! [X] :
      ( ~ big_p(a)
      | big_p(f(f(X)))
      | ( ~ big_p(f(X))
        & big_p(X) ) ),
    inference(conjunct,[],[normalize_1_0]) ).

fof(normalize_1_5,plain,
    big_p(a),
    inference(conjunct,[],[normalize_1_2]) ).

fof(normalize_1_6,plain,
    ! [X] :
      ( big_p(f(f(X)))
      | ( ~ big_p(f(X))
        & big_p(X) ) ),
    inference(simplify,[],[normalize_1_4,normalize_1_5]) ).

fof(normalize_1_7,plain,
    ! [X] :
      ( big_p(f(f(X)))
      | ( ~ big_p(f(X))
        & big_p(X) ) ),
    inference(specialize,[],[normalize_1_6]) ).

fof(normalize_1_8,plain,
    ! [X] :
      ( ( ~ big_p(f(X))
        | big_p(f(f(X))) )
      & ( big_p(X)
        | big_p(f(f(X))) ) ),
    inference(clausify,[],[normalize_1_7]) ).

fof(normalize_1_9,plain,
    ! [X] :
      ( ~ big_p(f(X))
      | big_p(f(f(X))) ),
    inference(conjunct,[],[normalize_1_8]) ).

fof(normalize_1_10,plain,
    ~ big_p(f(f(skolemFOFtoCNF_X1_1))),
    inference(conjunct,[],[normalize_1_2]) ).

cnf(refute_1_0,plain,
    big_p(f(skolemFOFtoCNF_X1_1)),
    inference(canonicalize,[],[normalize_1_3]) ).

cnf(refute_1_1,plain,
    ( ~ big_p(f(X))
    | big_p(f(f(X))) ),
    inference(canonicalize,[],[normalize_1_9]) ).

cnf(refute_1_2,plain,
    ( ~ big_p(f(skolemFOFtoCNF_X1_1))
    | big_p(f(f(skolemFOFtoCNF_X1_1))) ),
    inference(subst,[],[refute_1_1:[bind(X,$fot(skolemFOFtoCNF_X1_1))]]) ).

cnf(refute_1_3,plain,
    big_p(f(f(skolemFOFtoCNF_X1_1))),
    inference(resolve,[$cnf( big_p(f(skolemFOFtoCNF_X1_1)) )],[refute_1_0,refute_1_2]) ).

cnf(refute_1_4,plain,
    ~ big_p(f(f(skolemFOFtoCNF_X1_1))),
    inference(canonicalize,[],[normalize_1_10]) ).

cnf(refute_1_5,plain,
    $false,
    inference(resolve,[$cnf( big_p(f(f(skolemFOFtoCNF_X1_1))) )],[refute_1_3,refute_1_4]) ).

fof(negate_2_0,plain,
    ~ ( ! [X1] :
          ( ( ~ big_p(a)
            | big_p(X1)
            | big_p(f(f(X1))) )
          & ( ~ big_p(a)
            | ~ big_p(f(X1))
            | big_p(f(f(X1))) ) )
     => ! [X] :
          ( ( big_p(a)
            & ( big_p(X)
             => big_p(f(X)) ) )
         => big_p(f(f(X))) ) ),
    inference(negate,[],[subgoal_2]) ).

fof(normalize_2_0,plain,
    ( ? [X] :
        ( ~ big_p(f(f(X)))
        & big_p(a)
        & ( ~ big_p(X)
          | big_p(f(X)) ) )
    & ! [X1] :
        ( ~ big_p(a)
        | ~ big_p(f(X1))
        | big_p(f(f(X1))) )
    & ! [X1] :
        ( ~ big_p(a)
        | big_p(X1)
        | big_p(f(f(X1))) ) ),
    inference(canonicalize,[],[negate_2_0]) ).

fof(normalize_2_1,plain,
    ? [X] :
      ( ~ big_p(f(f(X)))
      & big_p(a)
      & ( ~ big_p(X)
        | big_p(f(X)) ) ),
    inference(conjunct,[],[normalize_2_0]) ).

fof(normalize_2_2,plain,
    ( ~ big_p(f(f(skolemFOFtoCNF_X)))
    & big_p(a)
    & ( ~ big_p(skolemFOFtoCNF_X)
      | big_p(f(skolemFOFtoCNF_X)) ) ),
    inference(skolemize,[],[normalize_2_1]) ).

fof(normalize_2_3,plain,
    ( ~ big_p(skolemFOFtoCNF_X)
    | big_p(f(skolemFOFtoCNF_X)) ),
    inference(conjunct,[],[normalize_2_2]) ).

fof(normalize_2_4,plain,
    ~ big_p(f(f(skolemFOFtoCNF_X))),
    inference(conjunct,[],[normalize_2_2]) ).

fof(normalize_2_5,plain,
    ! [X1] :
      ( ~ big_p(a)
      | big_p(X1)
      | big_p(f(f(X1))) ),
    inference(conjunct,[],[normalize_2_0]) ).

fof(normalize_2_6,plain,
    big_p(a),
    inference(conjunct,[],[normalize_2_2]) ).

fof(normalize_2_7,plain,
    ! [X1] :
      ( big_p(X1)
      | big_p(f(f(X1))) ),
    inference(simplify,[],[normalize_2_5,normalize_2_6]) ).

fof(normalize_2_8,plain,
    ! [X1] :
      ( big_p(X1)
      | big_p(f(f(X1))) ),
    inference(specialize,[],[normalize_2_7]) ).

fof(normalize_2_9,plain,
    ! [X1] :
      ( ~ big_p(a)
      | ~ big_p(f(X1))
      | big_p(f(f(X1))) ),
    inference(conjunct,[],[normalize_2_0]) ).

fof(normalize_2_10,plain,
    ! [X1] :
      ( ~ big_p(f(X1))
      | big_p(f(f(X1))) ),
    inference(simplify,[],[normalize_2_9,normalize_2_6]) ).

fof(normalize_2_11,plain,
    ! [X1] :
      ( ~ big_p(f(X1))
      | big_p(f(f(X1))) ),
    inference(specialize,[],[normalize_2_10]) ).

cnf(refute_2_0,plain,
    ( ~ big_p(skolemFOFtoCNF_X)
    | big_p(f(skolemFOFtoCNF_X)) ),
    inference(canonicalize,[],[normalize_2_3]) ).

cnf(refute_2_1,plain,
    ~ big_p(f(f(skolemFOFtoCNF_X))),
    inference(canonicalize,[],[normalize_2_4]) ).

cnf(refute_2_2,plain,
    ( big_p(X1)
    | big_p(f(f(X1))) ),
    inference(canonicalize,[],[normalize_2_8]) ).

cnf(refute_2_3,plain,
    ( big_p(f(f(skolemFOFtoCNF_X)))
    | big_p(skolemFOFtoCNF_X) ),
    inference(subst,[],[refute_2_2:[bind(X1,$fot(skolemFOFtoCNF_X))]]) ).

cnf(refute_2_4,plain,
    big_p(skolemFOFtoCNF_X),
    inference(resolve,[$cnf( big_p(f(f(skolemFOFtoCNF_X))) )],[refute_2_3,refute_2_1]) ).

cnf(refute_2_5,plain,
    big_p(f(skolemFOFtoCNF_X)),
    inference(resolve,[$cnf( big_p(skolemFOFtoCNF_X) )],[refute_2_4,refute_2_0]) ).

cnf(refute_2_6,plain,
    ( ~ big_p(f(X1))
    | big_p(f(f(X1))) ),
    inference(canonicalize,[],[normalize_2_11]) ).

cnf(refute_2_7,plain,
    ( ~ big_p(f(skolemFOFtoCNF_X))
    | big_p(f(f(skolemFOFtoCNF_X))) ),
    inference(subst,[],[refute_2_6:[bind(X1,$fot(skolemFOFtoCNF_X))]]) ).

cnf(refute_2_8,plain,
    big_p(f(f(skolemFOFtoCNF_X))),
    inference(resolve,[$cnf( big_p(f(skolemFOFtoCNF_X)) )],[refute_2_5,refute_2_7]) ).

cnf(refute_2_9,plain,
    $false,
    inference(resolve,[$cnf( big_p(f(f(skolemFOFtoCNF_X))) )],[refute_2_8,refute_2_1]) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.03/0.12  % Problem  : SYN084+1 : TPTP v8.1.0. Released v2.0.0.
% 0.03/0.12  % Command  : metis --show proof --show saturation %s
% 0.12/0.33  % Computer : n022.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 : Mon Jul 11 12:53:55 EDT 2022
% 0.12/0.33  % CPUTime  : 
% 0.12/0.34  %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% 0.12/0.34  % SZS status Theorem for /export/starexec/sandbox/benchmark/theBenchmark.p
% 0.12/0.34  
% 0.12/0.34  % SZS output start CNFRefutation for /export/starexec/sandbox/benchmark/theBenchmark.p
% See solution above
% 0.12/0.35  
%------------------------------------------------------------------------------