TSTP Solution File: LCL548+1 by Zipperpin---2.1.9999

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Zipperpin---2.1.9999
% Problem  : LCL548+1 : TPTP v8.1.2. Released v3.3.0.
% Transfm  : NO INFORMATION
% Format   : NO INFORMATION
% Command  : python3 /export/starexec/sandbox2/solver/bin/portfolio.lams.parallel.py %s %d /export/starexec/sandbox2/tmp/tmp.6NQKk2i34e true

% 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  : 300s
% DateTime : Thu Aug 31 09:00:09 EDT 2023

% Result   : Theorem 7.11s 1.64s
% Output   : Refutation 7.11s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   18
%            Number of leaves      :   62
% Syntax   : Number of formulae    :  171 (  85 unt;  28 typ;   0 def)
%            Number of atoms       :  218 (  43 equ;   0 cnn)
%            Maximal formula atoms :    4 (   1 avg)
%            Number of connectives :  726 (  57   ~;  54   |;   1   &; 594   @)
%                                         (  12 <=>;   8  =>;   0  <=;   0 <~>)
%            Maximal formula depth :   12 (   5 avg)
%            Number of types       :    2 (   0 usr)
%            Number of type conns  :   16 (  16   >;   0   *;   0   +;   0  <<)
%            Number of symbols     :   30 (  28 usr;  19 con; 0-2 aty)
%            Number of variables   :  163 (   0   ^; 163   !;   0   ?; 163   :)

% Comments : 
%------------------------------------------------------------------------------
thf(sk__92_type,type,
    sk__92: $i ).

thf(axiom_M_type,type,
    axiom_M: $o ).

thf(op_or_type,type,
    op_or: $o ).

thf(and_type,type,
    and: $i > $i > $i ).

thf(axiom_4_type,type,
    axiom_4: $o ).

thf(is_a_theorem_type,type,
    is_a_theorem: $i > $o ).

thf(necessarily_type,type,
    necessarily: $i > $i ).

thf(implies_1_type,type,
    implies_1: $o ).

thf(op_equiv_type,type,
    op_equiv: $o ).

thf(strict_implies_type,type,
    strict_implies: $i > $i > $i ).

thf(op_strict_implies_type,type,
    op_strict_implies: $o ).

thf(or_type,type,
    or: $i > $i > $i ).

thf(and_1_type,type,
    and_1: $o ).

thf(necessitation_type,type,
    necessitation: $o ).

thf(or_3_type,type,
    or_3: $o ).

thf(equiv_type,type,
    equiv: $i > $i > $i ).

thf(axiom_m9_type,type,
    axiom_m9: $o ).

thf(and_3_type,type,
    and_3: $o ).

thf(modus_ponens_type,type,
    modus_ponens: $o ).

thf(op_strict_equiv_type,type,
    op_strict_equiv: $o ).

thf(possibly_type,type,
    possibly: $i > $i ).

thf(or_1_type,type,
    or_1: $o ).

thf(implies_type,type,
    implies: $i > $i > $i ).

thf(op_possibly_type,type,
    op_possibly: $o ).

thf(substitution_of_equivalents_type,type,
    substitution_of_equivalents: $o ).

thf(implies_2_type,type,
    implies_2: $o ).

thf(not_type,type,
    not: $i > $i ).

thf(strict_equiv_type,type,
    strict_equiv: $i > $i > $i ).

thf(axiom_m9,axiom,
    ( axiom_m9
  <=> ! [X: $i] : ( is_a_theorem @ ( strict_implies @ ( possibly @ ( possibly @ X ) ) @ ( possibly @ X ) ) ) ) ).

thf(zip_derived_cl127,plain,
    ( axiom_m9
    | ~ ( is_a_theorem @ ( strict_implies @ ( possibly @ ( possibly @ sk__92 ) ) @ ( possibly @ sk__92 ) ) ) ),
    inference(cnf,[status(esa)],[axiom_m9]) ).

thf(s1_0_m6s3m9b_axiom_m9,conjecture,
    axiom_m9 ).

thf(zf_stmt_0,negated_conjecture,
    ~ axiom_m9,
    inference('cnf.neg',[status(esa)],[s1_0_m6s3m9b_axiom_m9]) ).

thf(zip_derived_cl146,plain,
    ~ axiom_m9,
    inference(cnf,[status(esa)],[zf_stmt_0]) ).

thf(zip_derived_cl227,plain,
    ~ ( is_a_theorem @ ( strict_implies @ ( possibly @ ( possibly @ sk__92 ) ) @ ( possibly @ sk__92 ) ) ),
    inference(demod,[status(thm)],[zip_derived_cl127,zip_derived_cl146]) ).

thf(and_3,axiom,
    ( and_3
  <=> ! [X: $i,Y: $i] : ( is_a_theorem @ ( implies @ X @ ( implies @ Y @ ( and @ X @ Y ) ) ) ) ) ).

thf(zip_derived_cl19,plain,
    ! [X0: $i,X1: $i] :
      ( ( is_a_theorem @ ( implies @ X0 @ ( implies @ X1 @ ( and @ X0 @ X1 ) ) ) )
      | ~ and_3 ),
    inference(cnf,[status(esa)],[and_3]) ).

thf(hilbert_and_3,axiom,
    and_3 ).

thf(zip_derived_cl70,plain,
    and_3,
    inference(cnf,[status(esa)],[hilbert_and_3]) ).

thf(zip_derived_cl304,plain,
    ! [X0: $i,X1: $i] : ( is_a_theorem @ ( implies @ X0 @ ( implies @ X1 @ ( and @ X0 @ X1 ) ) ) ),
    inference(demod,[status(thm)],[zip_derived_cl19,zip_derived_cl70]) ).

thf(implies_2,axiom,
    ( implies_2
  <=> ! [X: $i,Y: $i] : ( is_a_theorem @ ( implies @ ( implies @ X @ ( implies @ X @ Y ) ) @ ( implies @ X @ Y ) ) ) ) ).

thf(zip_derived_cl11,plain,
    ! [X0: $i,X1: $i] :
      ( ( is_a_theorem @ ( implies @ ( implies @ X0 @ ( implies @ X0 @ X1 ) ) @ ( implies @ X0 @ X1 ) ) )
      | ~ implies_2 ),
    inference(cnf,[status(esa)],[implies_2]) ).

thf(hilbert_implies_2,axiom,
    implies_2 ).

thf(zip_derived_cl66,plain,
    implies_2,
    inference(cnf,[status(esa)],[hilbert_implies_2]) ).

thf(zip_derived_cl207,plain,
    ! [X0: $i,X1: $i] : ( is_a_theorem @ ( implies @ ( implies @ X0 @ ( implies @ X0 @ X1 ) ) @ ( implies @ X0 @ X1 ) ) ),
    inference(demod,[status(thm)],[zip_derived_cl11,zip_derived_cl66]) ).

thf(modus_ponens,axiom,
    ( modus_ponens
  <=> ! [X: $i,Y: $i] :
        ( ( ( is_a_theorem @ X )
          & ( is_a_theorem @ ( implies @ X @ Y ) ) )
       => ( is_a_theorem @ Y ) ) ) ).

thf(zip_derived_cl0,plain,
    ! [X0: $i,X1: $i] :
      ( ( is_a_theorem @ X0 )
      | ~ ( is_a_theorem @ ( implies @ X1 @ X0 ) )
      | ~ ( is_a_theorem @ X1 )
      | ~ modus_ponens ),
    inference(cnf,[status(esa)],[modus_ponens]) ).

thf(hilbert_modus_ponens,axiom,
    modus_ponens ).

thf(zip_derived_cl63,plain,
    modus_ponens,
    inference(cnf,[status(esa)],[hilbert_modus_ponens]) ).

thf(zip_derived_cl147,plain,
    ! [X0: $i,X1: $i] :
      ( ( is_a_theorem @ X0 )
      | ~ ( is_a_theorem @ ( implies @ X1 @ X0 ) )
      | ~ ( is_a_theorem @ X1 ) ),
    inference(demod,[status(thm)],[zip_derived_cl0,zip_derived_cl63]) ).

thf(zip_derived_cl208,plain,
    ! [X0: $i,X1: $i] :
      ( ~ ( is_a_theorem @ ( implies @ X1 @ ( implies @ X1 @ X0 ) ) )
      | ( is_a_theorem @ ( implies @ X1 @ X0 ) ) ),
    inference('sup-',[status(thm)],[zip_derived_cl207,zip_derived_cl147]) ).

thf(zip_derived_cl307,plain,
    ! [X0: $i] : ( is_a_theorem @ ( implies @ X0 @ ( and @ X0 @ X0 ) ) ),
    inference('sup-',[status(thm)],[zip_derived_cl304,zip_derived_cl208]) ).

thf(op_equiv,axiom,
    ( op_equiv
   => ! [X: $i,Y: $i] :
        ( ( equiv @ X @ Y )
        = ( and @ ( implies @ X @ Y ) @ ( implies @ Y @ X ) ) ) ) ).

thf(zip_derived_cl59,plain,
    ! [X0: $i,X1: $i] :
      ( ( ( equiv @ X0 @ X1 )
        = ( and @ ( implies @ X0 @ X1 ) @ ( implies @ X1 @ X0 ) ) )
      | ~ op_equiv ),
    inference(cnf,[status(esa)],[op_equiv]) ).

thf(hilbert_op_equiv,axiom,
    op_equiv ).

thf(zip_derived_cl62,plain,
    op_equiv,
    inference(cnf,[status(esa)],[hilbert_op_equiv]) ).

thf(zip_derived_cl427,plain,
    ! [X0: $i,X1: $i] :
      ( ( equiv @ X0 @ X1 )
      = ( and @ ( implies @ X0 @ X1 ) @ ( implies @ X1 @ X0 ) ) ),
    inference(demod,[status(thm)],[zip_derived_cl59,zip_derived_cl62]) ).

thf(zip_derived_cl304_001,plain,
    ! [X0: $i,X1: $i] : ( is_a_theorem @ ( implies @ X0 @ ( implies @ X1 @ ( and @ X0 @ X1 ) ) ) ),
    inference(demod,[status(thm)],[zip_derived_cl19,zip_derived_cl70]) ).

thf(zip_derived_cl147_002,plain,
    ! [X0: $i,X1: $i] :
      ( ( is_a_theorem @ X0 )
      | ~ ( is_a_theorem @ ( implies @ X1 @ X0 ) )
      | ~ ( is_a_theorem @ X1 ) ),
    inference(demod,[status(thm)],[zip_derived_cl0,zip_derived_cl63]) ).

thf(zip_derived_cl305,plain,
    ! [X0: $i,X1: $i] :
      ( ~ ( is_a_theorem @ X1 )
      | ( is_a_theorem @ ( implies @ X0 @ ( and @ X1 @ X0 ) ) ) ),
    inference('sup-',[status(thm)],[zip_derived_cl304,zip_derived_cl147]) ).

thf(zip_derived_cl147_003,plain,
    ! [X0: $i,X1: $i] :
      ( ( is_a_theorem @ X0 )
      | ~ ( is_a_theorem @ ( implies @ X1 @ X0 ) )
      | ~ ( is_a_theorem @ X1 ) ),
    inference(demod,[status(thm)],[zip_derived_cl0,zip_derived_cl63]) ).

thf(zip_derived_cl1714,plain,
    ! [X0: $i,X1: $i] :
      ( ~ ( is_a_theorem @ X1 )
      | ~ ( is_a_theorem @ X0 )
      | ( is_a_theorem @ ( and @ X1 @ X0 ) ) ),
    inference('sup-',[status(thm)],[zip_derived_cl305,zip_derived_cl147]) ).

thf(zip_derived_cl1773,plain,
    ! [X0: $i,X1: $i] :
      ( ( is_a_theorem @ ( equiv @ X1 @ X0 ) )
      | ~ ( is_a_theorem @ ( implies @ X0 @ X1 ) )
      | ~ ( is_a_theorem @ ( implies @ X1 @ X0 ) ) ),
    inference('sup+',[status(thm)],[zip_derived_cl427,zip_derived_cl1714]) ).

thf(zip_derived_cl2572,plain,
    ! [X0: $i] :
      ( ~ ( is_a_theorem @ ( implies @ ( and @ X0 @ X0 ) @ X0 ) )
      | ( is_a_theorem @ ( equiv @ ( and @ X0 @ X0 ) @ X0 ) ) ),
    inference('sup-',[status(thm)],[zip_derived_cl307,zip_derived_cl1773]) ).

thf(and_1,axiom,
    ( and_1
  <=> ! [X: $i,Y: $i] : ( is_a_theorem @ ( implies @ ( and @ X @ Y ) @ X ) ) ) ).

thf(zip_derived_cl15,plain,
    ! [X0: $i,X1: $i] :
      ( ( is_a_theorem @ ( implies @ ( and @ X0 @ X1 ) @ X0 ) )
      | ~ and_1 ),
    inference(cnf,[status(esa)],[and_1]) ).

thf(hilbert_and_1,axiom,
    and_1 ).

thf(zip_derived_cl68,plain,
    and_1,
    inference(cnf,[status(esa)],[hilbert_and_1]) ).

thf(zip_derived_cl170,plain,
    ! [X0: $i,X1: $i] : ( is_a_theorem @ ( implies @ ( and @ X0 @ X1 ) @ X0 ) ),
    inference(demod,[status(thm)],[zip_derived_cl15,zip_derived_cl68]) ).

thf(zip_derived_cl2616,plain,
    ! [X0: $i] : ( is_a_theorem @ ( equiv @ ( and @ X0 @ X0 ) @ X0 ) ),
    inference(demod,[status(thm)],[zip_derived_cl2572,zip_derived_cl170]) ).

thf(substitution_of_equivalents,axiom,
    ( substitution_of_equivalents
  <=> ! [X: $i,Y: $i] :
        ( ( is_a_theorem @ ( equiv @ X @ Y ) )
       => ( X = Y ) ) ) ).

thf(zip_derived_cl4,plain,
    ! [X0: $i,X1: $i] :
      ( ~ ( is_a_theorem @ ( equiv @ X0 @ X1 ) )
      | ( X0 = X1 )
      | ~ substitution_of_equivalents ),
    inference(cnf,[status(esa)],[substitution_of_equivalents]) ).

thf(substitution_of_equivalents_004,axiom,
    substitution_of_equivalents ).

thf(zip_derived_cl77,plain,
    substitution_of_equivalents,
    inference(cnf,[status(esa)],[substitution_of_equivalents]) ).

thf(zip_derived_cl155,plain,
    ! [X0: $i,X1: $i] :
      ( ~ ( is_a_theorem @ ( equiv @ X0 @ X1 ) )
      | ( X0 = X1 ) ),
    inference(demod,[status(thm)],[zip_derived_cl4,zip_derived_cl77]) ).

thf(zip_derived_cl2629,plain,
    ! [X0: $i] :
      ( ( and @ X0 @ X0 )
      = X0 ),
    inference('sup-',[status(thm)],[zip_derived_cl2616,zip_derived_cl155]) ).

thf(op_or,axiom,
    ( op_or
   => ! [X: $i,Y: $i] :
        ( ( or @ X @ Y )
        = ( not @ ( and @ ( not @ X ) @ ( not @ Y ) ) ) ) ) ).

thf(zip_derived_cl55,plain,
    ! [X0: $i,X1: $i] :
      ( ( ( or @ X0 @ X1 )
        = ( not @ ( and @ ( not @ X0 ) @ ( not @ X1 ) ) ) )
      | ~ op_or ),
    inference(cnf,[status(esa)],[op_or]) ).

thf(hilbert_op_or,axiom,
    op_or ).

thf(zip_derived_cl60,plain,
    op_or,
    inference(cnf,[status(esa)],[hilbert_op_or]) ).

thf(zip_derived_cl336,plain,
    ! [X0: $i,X1: $i] :
      ( ( or @ X0 @ X1 )
      = ( not @ ( and @ ( not @ X0 ) @ ( not @ X1 ) ) ) ),
    inference(demod,[status(thm)],[zip_derived_cl55,zip_derived_cl60]) ).

thf(zip_derived_cl2671,plain,
    ! [X0: $i] :
      ( ( or @ X0 @ X0 )
      = ( not @ ( not @ X0 ) ) ),
    inference('sup+',[status(thm)],[zip_derived_cl2629,zip_derived_cl336]) ).

thf(implies_1,axiom,
    ( implies_1
  <=> ! [X: $i,Y: $i] : ( is_a_theorem @ ( implies @ X @ ( implies @ Y @ X ) ) ) ) ).

thf(zip_derived_cl9,plain,
    ! [X0: $i,X1: $i] :
      ( ( is_a_theorem @ ( implies @ X0 @ ( implies @ X1 @ X0 ) ) )
      | ~ implies_1 ),
    inference(cnf,[status(esa)],[implies_1]) ).

thf(hilbert_implies_1,axiom,
    implies_1 ).

thf(zip_derived_cl65,plain,
    implies_1,
    inference(cnf,[status(esa)],[hilbert_implies_1]) ).

thf(zip_derived_cl168,plain,
    ! [X0: $i,X1: $i] : ( is_a_theorem @ ( implies @ X0 @ ( implies @ X1 @ X0 ) ) ),
    inference(demod,[status(thm)],[zip_derived_cl9,zip_derived_cl65]) ).

thf(zip_derived_cl208_005,plain,
    ! [X0: $i,X1: $i] :
      ( ~ ( is_a_theorem @ ( implies @ X1 @ ( implies @ X1 @ X0 ) ) )
      | ( is_a_theorem @ ( implies @ X1 @ X0 ) ) ),
    inference('sup-',[status(thm)],[zip_derived_cl207,zip_derived_cl147]) ).

thf(zip_derived_cl297,plain,
    ! [X0: $i] : ( is_a_theorem @ ( implies @ X0 @ X0 ) ),
    inference('sup-',[status(thm)],[zip_derived_cl168,zip_derived_cl208]) ).

thf(or_3,axiom,
    ( or_3
  <=> ! [X: $i,Y: $i,Z: $i] : ( is_a_theorem @ ( implies @ ( implies @ X @ Z ) @ ( implies @ ( implies @ Y @ Z ) @ ( implies @ ( or @ X @ Y ) @ Z ) ) ) ) ) ).

thf(zip_derived_cl25,plain,
    ! [X0: $i,X1: $i,X2: $i] :
      ( ( is_a_theorem @ ( implies @ ( implies @ X0 @ X1 ) @ ( implies @ ( implies @ X2 @ X1 ) @ ( implies @ ( or @ X0 @ X2 ) @ X1 ) ) ) )
      | ~ or_3 ),
    inference(cnf,[status(esa)],[or_3]) ).

thf(hilbert_or_3,axiom,
    or_3 ).

thf(zip_derived_cl73,plain,
    or_3,
    inference(cnf,[status(esa)],[hilbert_or_3]) ).

thf(zip_derived_cl313,plain,
    ! [X0: $i,X1: $i,X2: $i] : ( is_a_theorem @ ( implies @ ( implies @ X0 @ X1 ) @ ( implies @ ( implies @ X2 @ X1 ) @ ( implies @ ( or @ X0 @ X2 ) @ X1 ) ) ) ),
    inference(demod,[status(thm)],[zip_derived_cl25,zip_derived_cl73]) ).

thf(zip_derived_cl208_006,plain,
    ! [X0: $i,X1: $i] :
      ( ~ ( is_a_theorem @ ( implies @ X1 @ ( implies @ X1 @ X0 ) ) )
      | ( is_a_theorem @ ( implies @ X1 @ X0 ) ) ),
    inference('sup-',[status(thm)],[zip_derived_cl207,zip_derived_cl147]) ).

thf(zip_derived_cl316,plain,
    ! [X0: $i,X1: $i] : ( is_a_theorem @ ( implies @ ( implies @ X1 @ X0 ) @ ( implies @ ( or @ X1 @ X1 ) @ X0 ) ) ),
    inference('sup-',[status(thm)],[zip_derived_cl313,zip_derived_cl208]) ).

thf(zip_derived_cl147_007,plain,
    ! [X0: $i,X1: $i] :
      ( ( is_a_theorem @ X0 )
      | ~ ( is_a_theorem @ ( implies @ X1 @ X0 ) )
      | ~ ( is_a_theorem @ X1 ) ),
    inference(demod,[status(thm)],[zip_derived_cl0,zip_derived_cl63]) ).

thf(zip_derived_cl1962,plain,
    ! [X0: $i,X1: $i] :
      ( ~ ( is_a_theorem @ ( implies @ X1 @ X0 ) )
      | ( is_a_theorem @ ( implies @ ( or @ X1 @ X1 ) @ X0 ) ) ),
    inference('sup-',[status(thm)],[zip_derived_cl316,zip_derived_cl147]) ).

thf(zip_derived_cl1989,plain,
    ! [X0: $i] : ( is_a_theorem @ ( implies @ ( or @ X0 @ X0 ) @ X0 ) ),
    inference('sup-',[status(thm)],[zip_derived_cl297,zip_derived_cl1962]) ).

thf(zip_derived_cl1773_008,plain,
    ! [X0: $i,X1: $i] :
      ( ( is_a_theorem @ ( equiv @ X1 @ X0 ) )
      | ~ ( is_a_theorem @ ( implies @ X0 @ X1 ) )
      | ~ ( is_a_theorem @ ( implies @ X1 @ X0 ) ) ),
    inference('sup+',[status(thm)],[zip_derived_cl427,zip_derived_cl1714]) ).

thf(zip_derived_cl2596,plain,
    ! [X0: $i] :
      ( ~ ( is_a_theorem @ ( implies @ X0 @ ( or @ X0 @ X0 ) ) )
      | ( is_a_theorem @ ( equiv @ X0 @ ( or @ X0 @ X0 ) ) ) ),
    inference('sup-',[status(thm)],[zip_derived_cl1989,zip_derived_cl1773]) ).

thf(or_1,axiom,
    ( or_1
  <=> ! [X: $i,Y: $i] : ( is_a_theorem @ ( implies @ X @ ( or @ X @ Y ) ) ) ) ).

thf(zip_derived_cl21,plain,
    ! [X0: $i,X1: $i] :
      ( ( is_a_theorem @ ( implies @ X0 @ ( or @ X0 @ X1 ) ) )
      | ~ or_1 ),
    inference(cnf,[status(esa)],[or_1]) ).

thf(hilbert_or_1,axiom,
    or_1 ).

thf(zip_derived_cl71,plain,
    or_1,
    inference(cnf,[status(esa)],[hilbert_or_1]) ).

thf(zip_derived_cl191,plain,
    ! [X0: $i,X1: $i] : ( is_a_theorem @ ( implies @ X0 @ ( or @ X0 @ X1 ) ) ),
    inference(demod,[status(thm)],[zip_derived_cl21,zip_derived_cl71]) ).

thf(zip_derived_cl2619,plain,
    ! [X0: $i] : ( is_a_theorem @ ( equiv @ X0 @ ( or @ X0 @ X0 ) ) ),
    inference(demod,[status(thm)],[zip_derived_cl2596,zip_derived_cl191]) ).

thf(zip_derived_cl155_009,plain,
    ! [X0: $i,X1: $i] :
      ( ~ ( is_a_theorem @ ( equiv @ X0 @ X1 ) )
      | ( X0 = X1 ) ),
    inference(demod,[status(thm)],[zip_derived_cl4,zip_derived_cl77]) ).

thf(zip_derived_cl2908,plain,
    ! [X0: $i] :
      ( X0
      = ( or @ X0 @ X0 ) ),
    inference('sup-',[status(thm)],[zip_derived_cl2619,zip_derived_cl155]) ).

thf(zip_derived_cl3346,plain,
    ! [X0: $i] :
      ( X0
      = ( not @ ( not @ X0 ) ) ),
    inference(demod,[status(thm)],[zip_derived_cl2671,zip_derived_cl2908]) ).

thf(zip_derived_cl3346_010,plain,
    ! [X0: $i] :
      ( X0
      = ( not @ ( not @ X0 ) ) ),
    inference(demod,[status(thm)],[zip_derived_cl2671,zip_derived_cl2908]) ).

thf(op_possibly,axiom,
    ( op_possibly
   => ! [X: $i] :
        ( ( possibly @ X )
        = ( not @ ( necessarily @ ( not @ X ) ) ) ) ) ).

thf(zip_derived_cl130,plain,
    ! [X0: $i] :
      ( ( ( possibly @ X0 )
        = ( not @ ( necessarily @ ( not @ X0 ) ) ) )
      | ~ op_possibly ),
    inference(cnf,[status(esa)],[op_possibly]) ).

thf(km4b_op_possibly,axiom,
    op_possibly ).

thf(zip_derived_cl134,plain,
    op_possibly,
    inference(cnf,[status(esa)],[km4b_op_possibly]) ).

thf(zip_derived_cl165,plain,
    ! [X0: $i] :
      ( ( possibly @ X0 )
      = ( not @ ( necessarily @ ( not @ X0 ) ) ) ),
    inference(demod,[status(thm)],[zip_derived_cl130,zip_derived_cl134]) ).

thf(zip_derived_cl3348,plain,
    ! [X0: $i] :
      ( ( possibly @ ( not @ X0 ) )
      = ( not @ ( necessarily @ X0 ) ) ),
    inference('sup+',[status(thm)],[zip_derived_cl3346,zip_derived_cl165]) ).

thf(zip_derived_cl3346_011,plain,
    ! [X0: $i] :
      ( X0
      = ( not @ ( not @ X0 ) ) ),
    inference(demod,[status(thm)],[zip_derived_cl2671,zip_derived_cl2908]) ).

thf(zip_derived_cl3519,plain,
    ! [X0: $i] :
      ( ( necessarily @ X0 )
      = ( not @ ( possibly @ ( not @ X0 ) ) ) ),
    inference('sup+',[status(thm)],[zip_derived_cl3348,zip_derived_cl3346]) ).

thf(zip_derived_cl165_012,plain,
    ! [X0: $i] :
      ( ( possibly @ X0 )
      = ( not @ ( necessarily @ ( not @ X0 ) ) ) ),
    inference(demod,[status(thm)],[zip_derived_cl130,zip_derived_cl134]) ).

thf(zip_derived_cl3346_013,plain,
    ! [X0: $i] :
      ( X0
      = ( not @ ( not @ X0 ) ) ),
    inference(demod,[status(thm)],[zip_derived_cl2671,zip_derived_cl2908]) ).

thf(zip_derived_cl3441,plain,
    ! [X0: $i] :
      ( ( necessarily @ ( not @ X0 ) )
      = ( not @ ( possibly @ X0 ) ) ),
    inference('sup+',[status(thm)],[zip_derived_cl165,zip_derived_cl3346]) ).

thf(zip_derived_cl3716,plain,
    ! [X0: $i] :
      ( ( necessarily @ ( necessarily @ X0 ) )
      = ( not @ ( possibly @ ( possibly @ ( not @ X0 ) ) ) ) ),
    inference('sup+',[status(thm)],[zip_derived_cl3519,zip_derived_cl3441]) ).

thf(zip_derived_cl3346_014,plain,
    ! [X0: $i] :
      ( X0
      = ( not @ ( not @ X0 ) ) ),
    inference(demod,[status(thm)],[zip_derived_cl2671,zip_derived_cl2908]) ).

thf(zip_derived_cl5766,plain,
    ! [X0: $i] :
      ( ( possibly @ ( possibly @ ( not @ X0 ) ) )
      = ( not @ ( necessarily @ ( necessarily @ X0 ) ) ) ),
    inference('sup+',[status(thm)],[zip_derived_cl3716,zip_derived_cl3346]) ).

thf(axiom_4,axiom,
    ( axiom_4
  <=> ! [X: $i] : ( is_a_theorem @ ( implies @ ( necessarily @ X ) @ ( necessarily @ ( necessarily @ X ) ) ) ) ) ).

thf(zip_derived_cl96,plain,
    ! [X0: $i] :
      ( ( is_a_theorem @ ( implies @ ( necessarily @ X0 ) @ ( necessarily @ ( necessarily @ X0 ) ) ) )
      | ~ axiom_4 ),
    inference(cnf,[status(esa)],[axiom_4]) ).

thf(km4b_axiom_4,axiom,
    axiom_4 ).

thf(zip_derived_cl138,plain,
    axiom_4,
    inference(cnf,[status(esa)],[km4b_axiom_4]) ).

thf(zip_derived_cl257,plain,
    ! [X0: $i] : ( is_a_theorem @ ( implies @ ( necessarily @ X0 ) @ ( necessarily @ ( necessarily @ X0 ) ) ) ),
    inference(demod,[status(thm)],[zip_derived_cl96,zip_derived_cl138]) ).

thf(zip_derived_cl1773_015,plain,
    ! [X0: $i,X1: $i] :
      ( ( is_a_theorem @ ( equiv @ X1 @ X0 ) )
      | ~ ( is_a_theorem @ ( implies @ X0 @ X1 ) )
      | ~ ( is_a_theorem @ ( implies @ X1 @ X0 ) ) ),
    inference('sup+',[status(thm)],[zip_derived_cl427,zip_derived_cl1714]) ).

thf(zip_derived_cl2601,plain,
    ! [X0: $i] :
      ( ~ ( is_a_theorem @ ( implies @ ( necessarily @ ( necessarily @ X0 ) ) @ ( necessarily @ X0 ) ) )
      | ( is_a_theorem @ ( equiv @ ( necessarily @ ( necessarily @ X0 ) ) @ ( necessarily @ X0 ) ) ) ),
    inference('sup-',[status(thm)],[zip_derived_cl257,zip_derived_cl1773]) ).

thf(axiom_M,axiom,
    ( axiom_M
  <=> ! [X: $i] : ( is_a_theorem @ ( implies @ ( necessarily @ X ) @ X ) ) ) ).

thf(zip_derived_cl94,plain,
    ! [X0: $i] :
      ( ( is_a_theorem @ ( implies @ ( necessarily @ X0 ) @ X0 ) )
      | ~ axiom_M ),
    inference(cnf,[status(esa)],[axiom_M]) ).

thf(km4b_axiom_M,axiom,
    axiom_M ).

thf(zip_derived_cl137,plain,
    axiom_M,
    inference(cnf,[status(esa)],[km4b_axiom_M]) ).

thf(zip_derived_cl158,plain,
    ! [X0: $i] : ( is_a_theorem @ ( implies @ ( necessarily @ X0 ) @ X0 ) ),
    inference(demod,[status(thm)],[zip_derived_cl94,zip_derived_cl137]) ).

thf(zip_derived_cl2620,plain,
    ! [X0: $i] : ( is_a_theorem @ ( equiv @ ( necessarily @ ( necessarily @ X0 ) ) @ ( necessarily @ X0 ) ) ),
    inference(demod,[status(thm)],[zip_derived_cl2601,zip_derived_cl158]) ).

thf(zip_derived_cl155_016,plain,
    ! [X0: $i,X1: $i] :
      ( ~ ( is_a_theorem @ ( equiv @ X0 @ X1 ) )
      | ( X0 = X1 ) ),
    inference(demod,[status(thm)],[zip_derived_cl4,zip_derived_cl77]) ).

thf(zip_derived_cl6343,plain,
    ! [X0: $i] :
      ( ( necessarily @ ( necessarily @ X0 ) )
      = ( necessarily @ X0 ) ),
    inference('sup-',[status(thm)],[zip_derived_cl2620,zip_derived_cl155]) ).

thf(zip_derived_cl3348_017,plain,
    ! [X0: $i] :
      ( ( possibly @ ( not @ X0 ) )
      = ( not @ ( necessarily @ X0 ) ) ),
    inference('sup+',[status(thm)],[zip_derived_cl3346,zip_derived_cl165]) ).

thf(zip_derived_cl6373,plain,
    ! [X0: $i] :
      ( ( possibly @ ( possibly @ ( not @ X0 ) ) )
      = ( possibly @ ( not @ X0 ) ) ),
    inference(demod,[status(thm)],[zip_derived_cl5766,zip_derived_cl6343,zip_derived_cl3348]) ).

thf(zip_derived_cl6490,plain,
    ! [X0: $i] :
      ( ( possibly @ ( possibly @ X0 ) )
      = ( possibly @ ( not @ ( not @ X0 ) ) ) ),
    inference('sup+',[status(thm)],[zip_derived_cl3346,zip_derived_cl6373]) ).

thf(zip_derived_cl3346_018,plain,
    ! [X0: $i] :
      ( X0
      = ( not @ ( not @ X0 ) ) ),
    inference(demod,[status(thm)],[zip_derived_cl2671,zip_derived_cl2908]) ).

thf(zip_derived_cl6497,plain,
    ! [X0: $i] :
      ( ( possibly @ ( possibly @ X0 ) )
      = ( possibly @ X0 ) ),
    inference(demod,[status(thm)],[zip_derived_cl6490,zip_derived_cl3346]) ).

thf(zip_derived_cl2629_019,plain,
    ! [X0: $i] :
      ( ( and @ X0 @ X0 )
      = X0 ),
    inference('sup-',[status(thm)],[zip_derived_cl2616,zip_derived_cl155]) ).

thf(op_strict_equiv,axiom,
    ( op_strict_equiv
   => ! [X: $i,Y: $i] :
        ( ( strict_equiv @ X @ Y )
        = ( and @ ( strict_implies @ X @ Y ) @ ( strict_implies @ Y @ X ) ) ) ) ).

thf(zip_derived_cl133,plain,
    ! [X0: $i,X1: $i] :
      ( ( ( strict_equiv @ X0 @ X1 )
        = ( and @ ( strict_implies @ X0 @ X1 ) @ ( strict_implies @ X1 @ X0 ) ) )
      | ~ op_strict_equiv ),
    inference(cnf,[status(esa)],[op_strict_equiv]) ).

thf(s1_0_op_strict_equiv,axiom,
    op_strict_equiv ).

thf(zip_derived_cl145,plain,
    op_strict_equiv,
    inference(cnf,[status(esa)],[s1_0_op_strict_equiv]) ).

thf(zip_derived_cl435,plain,
    ! [X0: $i,X1: $i] :
      ( ( strict_equiv @ X0 @ X1 )
      = ( and @ ( strict_implies @ X0 @ X1 ) @ ( strict_implies @ X1 @ X0 ) ) ),
    inference(demod,[status(thm)],[zip_derived_cl133,zip_derived_cl145]) ).

thf(zip_derived_cl2675,plain,
    ! [X0: $i] :
      ( ( strict_equiv @ X0 @ X0 )
      = ( strict_implies @ X0 @ X0 ) ),
    inference('sup+',[status(thm)],[zip_derived_cl2629,zip_derived_cl435]) ).

thf(zip_derived_cl435_020,plain,
    ! [X0: $i,X1: $i] :
      ( ( strict_equiv @ X0 @ X1 )
      = ( and @ ( strict_implies @ X0 @ X1 ) @ ( strict_implies @ X1 @ X0 ) ) ),
    inference(demod,[status(thm)],[zip_derived_cl133,zip_derived_cl145]) ).

thf(zip_derived_cl307_021,plain,
    ! [X0: $i] : ( is_a_theorem @ ( implies @ X0 @ ( and @ X0 @ X0 ) ) ),
    inference('sup-',[status(thm)],[zip_derived_cl304,zip_derived_cl208]) ).

thf(zip_derived_cl147_022,plain,
    ! [X0: $i,X1: $i] :
      ( ( is_a_theorem @ X0 )
      | ~ ( is_a_theorem @ ( implies @ X1 @ X0 ) )
      | ~ ( is_a_theorem @ X1 ) ),
    inference(demod,[status(thm)],[zip_derived_cl0,zip_derived_cl63]) ).

thf(zip_derived_cl481,plain,
    ! [X0: $i] :
      ( ~ ( is_a_theorem @ X0 )
      | ( is_a_theorem @ ( and @ X0 @ X0 ) ) ),
    inference('sup-',[status(thm)],[zip_derived_cl307,zip_derived_cl147]) ).

thf(zip_derived_cl495,plain,
    ! [X0: $i] :
      ( ( is_a_theorem @ ( strict_equiv @ X0 @ X0 ) )
      | ~ ( is_a_theorem @ ( strict_implies @ X0 @ X0 ) ) ),
    inference('sup+',[status(thm)],[zip_derived_cl435,zip_derived_cl481]) ).

thf(zip_derived_cl297_023,plain,
    ! [X0: $i] : ( is_a_theorem @ ( implies @ X0 @ X0 ) ),
    inference('sup-',[status(thm)],[zip_derived_cl168,zip_derived_cl208]) ).

thf(op_strict_implies,axiom,
    ( op_strict_implies
   => ! [X: $i,Y: $i] :
        ( ( strict_implies @ X @ Y )
        = ( necessarily @ ( implies @ X @ Y ) ) ) ) ).

thf(zip_derived_cl132,plain,
    ! [X0: $i,X1: $i] :
      ( ( ( strict_implies @ X0 @ X1 )
        = ( necessarily @ ( implies @ X0 @ X1 ) ) )
      | ~ op_strict_implies ),
    inference(cnf,[status(esa)],[op_strict_implies]) ).

thf(s1_0_op_strict_implies,axiom,
    op_strict_implies ).

thf(zip_derived_cl143,plain,
    op_strict_implies,
    inference(cnf,[status(esa)],[s1_0_op_strict_implies]) ).

thf(zip_derived_cl203,plain,
    ! [X0: $i,X1: $i] :
      ( ( strict_implies @ X0 @ X1 )
      = ( necessarily @ ( implies @ X0 @ X1 ) ) ),
    inference(demod,[status(thm)],[zip_derived_cl132,zip_derived_cl143]) ).

thf(necessitation,axiom,
    ( necessitation
  <=> ! [X: $i] :
        ( ( is_a_theorem @ X )
       => ( is_a_theorem @ ( necessarily @ X ) ) ) ) ).

thf(zip_derived_cl78,plain,
    ! [X0: $i] :
      ( ~ ( is_a_theorem @ X0 )
      | ( is_a_theorem @ ( necessarily @ X0 ) )
      | ~ necessitation ),
    inference(cnf,[status(esa)],[necessitation]) ).

thf(km4b_necessitation,axiom,
    necessitation ).

thf(zip_derived_cl135,plain,
    necessitation,
    inference(cnf,[status(esa)],[km4b_necessitation]) ).

thf(zip_derived_cl156,plain,
    ! [X0: $i] :
      ( ~ ( is_a_theorem @ X0 )
      | ( is_a_theorem @ ( necessarily @ X0 ) ) ),
    inference(demod,[status(thm)],[zip_derived_cl78,zip_derived_cl135]) ).

thf(zip_derived_cl204,plain,
    ! [X0: $i,X1: $i] :
      ( ( is_a_theorem @ ( strict_implies @ X1 @ X0 ) )
      | ~ ( is_a_theorem @ ( implies @ X1 @ X0 ) ) ),
    inference('sup+',[status(thm)],[zip_derived_cl203,zip_derived_cl156]) ).

thf(zip_derived_cl309,plain,
    ! [X0: $i] : ( is_a_theorem @ ( strict_implies @ X0 @ X0 ) ),
    inference('sup-',[status(thm)],[zip_derived_cl297,zip_derived_cl204]) ).

thf(zip_derived_cl497,plain,
    ! [X0: $i] : ( is_a_theorem @ ( strict_equiv @ X0 @ X0 ) ),
    inference(demod,[status(thm)],[zip_derived_cl495,zip_derived_cl309]) ).

thf(zip_derived_cl6522,plain,
    $false,
    inference(demod,[status(thm)],[zip_derived_cl227,zip_derived_cl6497,zip_derived_cl2675,zip_derived_cl497]) ).


%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.12  % Problem  : LCL548+1 : TPTP v8.1.2. Released v3.3.0.
% 0.00/0.14  % Command  : python3 /export/starexec/sandbox2/solver/bin/portfolio.lams.parallel.py %s %d /export/starexec/sandbox2/tmp/tmp.6NQKk2i34e true
% 0.13/0.35  % Computer : n027.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  : 300
% 0.13/0.35  % DateTime : Fri Aug 25 05:35:48 EDT 2023
% 0.13/0.35  % CPUTime  : 
% 0.13/0.35  % Running portfolio for 300 s
% 0.13/0.35  % File         : /export/starexec/sandbox2/benchmark/theBenchmark.p
% 0.13/0.35  % Number of cores: 8
% 0.13/0.35  % Python version: Python 3.6.8
% 0.13/0.35  % Running in FO mode
% 0.21/0.66  % Total configuration time : 435
% 0.21/0.66  % Estimated wc time : 1092
% 0.21/0.66  % Estimated cpu time (7 cpus) : 156.0
% 0.21/0.69  % /export/starexec/sandbox2/solver/bin/fo/fo6_bce.sh running for 75s
% 0.21/0.70  % /export/starexec/sandbox2/solver/bin/fo/fo3_bce.sh running for 75s
% 0.21/0.74  % /export/starexec/sandbox2/solver/bin/fo/fo1_av.sh running for 75s
% 0.21/0.75  % /export/starexec/sandbox2/solver/bin/fo/fo13.sh running for 50s
% 0.21/0.75  % /export/starexec/sandbox2/solver/bin/fo/fo7.sh running for 63s
% 0.21/0.75  % /export/starexec/sandbox2/solver/bin/fo/fo4.sh running for 50s
% 0.21/0.75  % /export/starexec/sandbox2/solver/bin/fo/fo5.sh running for 50s
% 0.21/0.76  % /export/starexec/sandbox2/solver/bin/fo/fo1_lcnf.sh running for 50s
% 0.21/0.81  % /export/starexec/sandbox2/solver/bin/fo/fo17_bce.sh running for 50s
% 0.89/0.81  % /export/starexec/sandbox2/solver/bin/fo/fo8.sh running for 50s
% 7.11/1.64  % Solved by fo/fo5.sh.
% 7.11/1.64  % done 1465 iterations in 0.866s
% 7.11/1.64  % SZS status Theorem for '/export/starexec/sandbox2/benchmark/theBenchmark.p'
% 7.11/1.64  % SZS output start Refutation
% See solution above
% 7.11/1.64  
% 7.11/1.64  
% 7.11/1.64  % Terminating...
% 7.48/1.75  % Runner terminated.
% 7.48/1.77  % Zipperpin 1.5 exiting
%------------------------------------------------------------------------------