TSTP Solution File: LCL451+1 by Metis---2.4

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%------------------------------------------------------------------------------
% File     : Metis---2.4
% Problem  : LCL451+1 : TPTP v8.1.0. Released v3.3.0.
% 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 : Sun Jul 17 12:52:24 EDT 2022

% Result   : Theorem 0.19s 0.37s
% Output   : CNFRefutation 0.19s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :    8
%            Number of leaves      :    4
% Syntax   : Number of formulae    :   22 (  12 unt;   0 def)
%            Number of atoms       :   36 (   0 equ)
%            Maximal formula atoms :    4 (   1 avg)
%            Number of connectives :   29 (  15   ~;   8   |;   2   &)
%                                         (   4 <=>;   0  =>;   0  <=;   0 <~>)
%            Maximal formula depth :    7 (   3 avg)
%            Maximal term depth    :    4 (   2 avg)
%            Number of predicates  :    4 (   3 usr;   3 prp; 0-1 aty)
%            Number of functors    :    7 (   7 usr;   6 con; 0-2 aty)
%            Number of variables   :   27 (   0 sgn  15   !;   6   ?)

% Comments : 
%------------------------------------------------------------------------------
fof(implies_3,axiom,
    ( implies_3
  <=> ! [X,Y,Z] : is_a_theorem(implies(implies(X,Y),implies(implies(Y,Z),implies(X,Z)))) ) ).

fof(cn1,axiom,
    ( cn1
  <=> ! [P,Q,R] : is_a_theorem(implies(implies(P,Q),implies(implies(Q,R),implies(P,R)))) ) ).

fof(hilbert_implies_3,axiom,
    implies_3 ).

fof(luka_cn1,conjecture,
    cn1 ).

fof(subgoal_0,plain,
    cn1,
    inference(strip,[],[luka_cn1]) ).

fof(negate_0_0,plain,
    ~ cn1,
    inference(negate,[],[subgoal_0]) ).

fof(normalize_0_0,plain,
    ~ cn1,
    inference(canonicalize,[],[negate_0_0]) ).

fof(normalize_0_1,plain,
    ( ~ cn1
  <=> ? [P,Q,R] : ~ is_a_theorem(implies(implies(P,Q),implies(implies(Q,R),implies(P,R)))) ),
    inference(canonicalize,[],[cn1]) ).

fof(normalize_0_2,plain,
    ! [P,Q,R] :
      ( ( ~ cn1
        | is_a_theorem(implies(implies(P,Q),implies(implies(Q,R),implies(P,R)))) )
      & ( ~ is_a_theorem(implies(implies(skolemFOFtoCNF_P_3,skolemFOFtoCNF_Q_2),implies(implies(skolemFOFtoCNF_Q_2,skolemFOFtoCNF_R_1),implies(skolemFOFtoCNF_P_3,skolemFOFtoCNF_R_1))))
        | cn1 ) ),
    inference(clausify,[],[normalize_0_1]) ).

fof(normalize_0_3,plain,
    ( ~ is_a_theorem(implies(implies(skolemFOFtoCNF_P_3,skolemFOFtoCNF_Q_2),implies(implies(skolemFOFtoCNF_Q_2,skolemFOFtoCNF_R_1),implies(skolemFOFtoCNF_P_3,skolemFOFtoCNF_R_1))))
    | cn1 ),
    inference(conjunct,[],[normalize_0_2]) ).

fof(normalize_0_4,plain,
    ( ~ implies_3
  <=> ? [X,Y,Z] : ~ is_a_theorem(implies(implies(X,Y),implies(implies(Y,Z),implies(X,Z)))) ),
    inference(canonicalize,[],[implies_3]) ).

fof(normalize_0_5,plain,
    ! [X,Y,Z] :
      ( ( ~ implies_3
        | is_a_theorem(implies(implies(X,Y),implies(implies(Y,Z),implies(X,Z)))) )
      & ( ~ is_a_theorem(implies(implies(skolemFOFtoCNF_X_5,skolemFOFtoCNF_Y_5),implies(implies(skolemFOFtoCNF_Y_5,skolemFOFtoCNF_Z),implies(skolemFOFtoCNF_X_5,skolemFOFtoCNF_Z))))
        | implies_3 ) ),
    inference(clausify,[],[normalize_0_4]) ).

fof(normalize_0_6,plain,
    ! [X,Y,Z] :
      ( ~ implies_3
      | is_a_theorem(implies(implies(X,Y),implies(implies(Y,Z),implies(X,Z)))) ),
    inference(conjunct,[],[normalize_0_5]) ).

fof(normalize_0_7,plain,
    implies_3,
    inference(canonicalize,[],[hilbert_implies_3]) ).

cnf(refute_0_0,plain,
    ~ cn1,
    inference(canonicalize,[],[normalize_0_0]) ).

cnf(refute_0_1,plain,
    ( ~ is_a_theorem(implies(implies(skolemFOFtoCNF_P_3,skolemFOFtoCNF_Q_2),implies(implies(skolemFOFtoCNF_Q_2,skolemFOFtoCNF_R_1),implies(skolemFOFtoCNF_P_3,skolemFOFtoCNF_R_1))))
    | cn1 ),
    inference(canonicalize,[],[normalize_0_3]) ).

cnf(refute_0_2,plain,
    ( ~ implies_3
    | is_a_theorem(implies(implies(X,Y),implies(implies(Y,Z),implies(X,Z)))) ),
    inference(canonicalize,[],[normalize_0_6]) ).

cnf(refute_0_3,plain,
    implies_3,
    inference(canonicalize,[],[normalize_0_7]) ).

cnf(refute_0_4,plain,
    is_a_theorem(implies(implies(X,Y),implies(implies(Y,Z),implies(X,Z)))),
    inference(resolve,[$cnf( implies_3 )],[refute_0_3,refute_0_2]) ).

cnf(refute_0_5,plain,
    is_a_theorem(implies(implies(skolemFOFtoCNF_P_3,skolemFOFtoCNF_Q_2),implies(implies(skolemFOFtoCNF_Q_2,skolemFOFtoCNF_R_1),implies(skolemFOFtoCNF_P_3,skolemFOFtoCNF_R_1)))),
    inference(subst,[],[refute_0_4:[bind(X,$fot(skolemFOFtoCNF_P_3)),bind(Y,$fot(skolemFOFtoCNF_Q_2)),bind(Z,$fot(skolemFOFtoCNF_R_1))]]) ).

cnf(refute_0_6,plain,
    cn1,
    inference(resolve,[$cnf( is_a_theorem(implies(implies(skolemFOFtoCNF_P_3,skolemFOFtoCNF_Q_2),implies(implies(skolemFOFtoCNF_Q_2,skolemFOFtoCNF_R_1),implies(skolemFOFtoCNF_P_3,skolemFOFtoCNF_R_1)))) )],[refute_0_5,refute_0_1]) ).

cnf(refute_0_7,plain,
    $false,
    inference(resolve,[$cnf( cn1 )],[refute_0_6,refute_0_0]) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.12  % Problem  : LCL451+1 : TPTP v8.1.0. Released v3.3.0.
% 0.12/0.13  % Command  : metis --show proof --show saturation %s
% 0.12/0.34  % Computer : n027.cluster.edu
% 0.12/0.34  % Model    : x86_64 x86_64
% 0.12/0.34  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.12/0.34  % Memory   : 8042.1875MB
% 0.12/0.34  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.12/0.34  % CPULimit : 300
% 0.12/0.34  % WCLimit  : 600
% 0.12/0.34  % DateTime : Sun Jul  3 05:42:54 EDT 2022
% 0.19/0.34  % CPUTime  : 
% 0.19/0.34  %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% 0.19/0.37  % SZS status Theorem for /export/starexec/sandbox/benchmark/theBenchmark.p
% 0.19/0.37  
% 0.19/0.37  % SZS output start CNFRefutation for /export/starexec/sandbox/benchmark/theBenchmark.p
% See solution above
% 0.19/0.37  
%------------------------------------------------------------------------------