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iProver---3.9.4.THM-CRf.s

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%------------------------------------------------------------------------------
% File     : iProver---3.9.4
% Problem  : LCL533+1 : TPTP v9.3.1. Bugfixed v9.2.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : run_iprover 300 /export/starexec/sandbox/benchmark/theBenchmark.p THM

% Computer : n016.cluster.edu
% Model    : x86_64 x86_64
% CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 2.10GHz
% Memory   : 8046.5625MB
% OS       : Linux 6.8.0-71-generic
% CPULimit : 300s
% WCLimit  : 300s
% DateTime : Fri Sep 25 02:06:51 PM UTC 2026

% Result   : Theorem 36.39s 5.83s
% Output   : CNFRefutation 36.39s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   25
%            Number of leaves      :   32
% Syntax   : Number of formulae    :  175 (  85 unt;   0 def)
%            Number of atoms       :  290 (  32 equ)
%            Maximal formula atoms :    4 (   1 avg)
%            Number of connectives :  199 (  84   ~;  79   |;   2   &)
%                                         (  12 <=>;  22  =>;   0  <=;   0 <~>)
%            Maximal formula depth :    7 (   3 avg)
%            Maximal term depth    :    5 (   2 avg)
%            Number of types       :    1 (   0 usr)
%            Number of type conns  :    0 (   0   >;   0   *;   0   +;   0  <<)
%            Number of predicates  :   19 (  17 usr;  17 prp; 0-2 aty)
%            Number of functors    :    9 (   9 usr;   1 con; 0-2 aty)
%            Number of variables   :  201 (   0 sgn 200   !;   1   ?;  95   :)

% Comments : 
%------------------------------------------------------------------------------
fof(f1,axiom,
    ( modus_ponens
  <=> ! [X0,X1] :
        ( ( is_a_theorem(implies(X0,X1))
          & is_a_theorem(X0) )
       => is_a_theorem(X1) ) ),
    file('/export/starexec/sandbox/benchmark/Axioms/LCL006+0.ax',modus_ponens) ).

fof(f2,axiom,
    ( substitution_of_equivalents
  <=> ! [X0,X1] :
        ( is_a_theorem(equiv(X0,X1))
       => X0 = X1 ) ),
    file('/export/starexec/sandbox/benchmark/Axioms/LCL006+0.ax',substitution_of_equivalents) ).

fof(f3,axiom,
    ( modus_tollens
  <=> ! [X0,X1] : is_a_theorem(implies(implies(not(X1),not(X0)),implies(X0,X1))) ),
    file('/export/starexec/sandbox/benchmark/Axioms/LCL006+0.ax',modus_tollens) ).

fof(f4,axiom,
    ( implies_1
  <=> ! [X0,X1] : is_a_theorem(implies(X0,implies(X1,X0))) ),
    file('/export/starexec/sandbox/benchmark/Axioms/LCL006+0.ax',implies_1) ).

fof(f5,axiom,
    ( implies_2
  <=> ! [X0,X1] : is_a_theorem(implies(implies(X0,implies(X0,X1)),implies(X0,X1))) ),
    file('/export/starexec/sandbox/benchmark/Axioms/LCL006+0.ax',implies_2) ).

fof(f7,axiom,
    ( and_1
  <=> ! [X0,X1] : is_a_theorem(implies(and(X0,X1),X0)) ),
    file('/export/starexec/sandbox/benchmark/Axioms/LCL006+0.ax',and_1) ).

fof(f9,axiom,
    ( and_3
  <=> ! [X0,X1] : is_a_theorem(implies(X0,implies(X1,and(X0,X1)))) ),
    file('/export/starexec/sandbox/benchmark/Axioms/LCL006+0.ax',and_3) ).

fof(f11,axiom,
    ( or_2
  <=> ! [X0,X1] : is_a_theorem(implies(X1,or(X0,X1))) ),
    file('/export/starexec/sandbox/benchmark/Axioms/LCL006+0.ax',or_2) ).

fof(f15,axiom,
    ( equivalence_3
  <=> ! [X0,X1] : is_a_theorem(implies(implies(X0,X1),implies(implies(X1,X0),equiv(X0,X1)))) ),
    file('/export/starexec/sandbox/benchmark/Axioms/LCL006+0.ax',equivalence_3) ).

fof(f27,axiom,
    ( op_or
   => ! [X0,X1] : or(X0,X1) = not(and(not(X0),not(X1))) ),
    file('/export/starexec/sandbox/benchmark/Axioms/LCL006+1.ax',op_or) ).

fof(f29,axiom,
    ( op_implies_and
   => ! [X0,X1] : implies(X0,X1) = not(and(X0,not(X1))) ),
    file('/export/starexec/sandbox/benchmark/Axioms/LCL006+1.ax',op_implies_and) ).

fof(f33,axiom,
    op_implies_and,
    file('/export/starexec/sandbox/benchmark/Axioms/LCL006+2.ax',hilbert_op_implies_and) ).

fof(f35,axiom,
    modus_ponens,
    file('/export/starexec/sandbox/benchmark/Axioms/LCL006+2.ax',hilbert_modus_ponens) ).

fof(f36,axiom,
    modus_tollens,
    file('/export/starexec/sandbox/benchmark/Axioms/LCL006+2.ax',hilbert_modus_tollens) ).

fof(f37,axiom,
    implies_1,
    file('/export/starexec/sandbox/benchmark/Axioms/LCL006+2.ax',hilbert_implies_1) ).

fof(f38,axiom,
    implies_2,
    file('/export/starexec/sandbox/benchmark/Axioms/LCL006+2.ax',hilbert_implies_2) ).

fof(f40,axiom,
    and_1,
    file('/export/starexec/sandbox/benchmark/Axioms/LCL006+2.ax',hilbert_and_1) ).

fof(f42,axiom,
    and_3,
    file('/export/starexec/sandbox/benchmark/Axioms/LCL006+2.ax',hilbert_and_3) ).

fof(f44,axiom,
    or_2,
    file('/export/starexec/sandbox/benchmark/Axioms/LCL006+2.ax',hilbert_or_2) ).

fof(f48,axiom,
    equivalence_3,
    file('/export/starexec/sandbox/benchmark/Axioms/LCL006+2.ax',hilbert_equivalence_3) ).

fof(f49,axiom,
    substitution_of_equivalents,
    file('/export/starexec/sandbox/benchmark/Axioms/LCL006+2.ax',use_substitution_of_equivalents) ).

fof(f50,axiom,
    ( necessitation
  <=> ! [X0] :
        ( is_a_theorem(X0)
       => is_a_theorem(necessarily(X0)) ) ),
    file('/export/starexec/sandbox/benchmark/Axioms/LCL007+0.ax',necessitation) ).

fof(f55,axiom,
    ( axiom_M
  <=> ! [X0] : is_a_theorem(implies(necessarily(X0),X0)) ),
    file('/export/starexec/sandbox/benchmark/Axioms/LCL007+0.ax',axiom_M) ).

fof(f68,axiom,
    ( axiom_m6
  <=> ! [X0] : is_a_theorem(strict_implies(X0,possibly(X0))) ),
    file('/export/starexec/sandbox/benchmark/Axioms/LCL007+0.ax',axiom_m6) ).

fof(f73,axiom,
    ( op_possibly
   => ! [X0] : possibly(X0) = not(necessarily(not(X0))) ),
    file('/export/starexec/sandbox/benchmark/Axioms/LCL007+1.ax',op_possibly) ).

fof(f75,axiom,
    ( op_strict_implies
   => ! [X0,X1] : strict_implies(X0,X1) = necessarily(implies(X0,X1)) ),
    file('/export/starexec/sandbox/benchmark/Axioms/LCL007+1.ax',op_strict_implies) ).

fof(f78,axiom,
    necessitation,
    file('/export/starexec/sandbox/benchmark/Axioms/LCL007+2.ax',km5_necessitation) ).

fof(f80,axiom,
    axiom_M,
    file('/export/starexec/sandbox/benchmark/Axioms/LCL007+2.ax',km5_axiom_M) ).

fof(f82,axiom,
    op_possibly,
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',s1_0_op_possibly) ).

fof(f83,axiom,
    op_or,
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',s1_0_op_or) ).

fof(f85,axiom,
    op_strict_implies,
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',s1_0_op_strict_implies) ).

fof(f88,conjecture,
    axiom_m6,
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',s1_0_m6s3m9b_axiom_m6) ).

fof(f89,negated_conjecture,
    ~ axiom_m6,
    inference(negated_conjecture,[status(cth)],[f88]) ).

fof(f90,plain,
    ~ axiom_m6,
    inference(flattening,[],[f89]) ).

fof(f91,plain,
    ( ! [X0] : is_a_theorem(strict_implies(X0,possibly(X0)))
   => axiom_m6 ),
    inference(unused_predicate_definition_removal,[],[f68]) ).

fof(f93,plain,
    ( axiom_M
   => ! [X0] : is_a_theorem(implies(necessarily(X0),X0)) ),
    inference(unused_predicate_definition_removal,[],[f55]) ).

fof(f95,plain,
    ( necessitation
   => ! [X0] :
        ( is_a_theorem(X0)
       => is_a_theorem(necessarily(X0)) ) ),
    inference(unused_predicate_definition_removal,[],[f50]) ).

fof(f96,plain,
    ( equivalence_3
   => ! [X0,X1] : is_a_theorem(implies(implies(X0,X1),implies(implies(X1,X0),equiv(X0,X1)))) ),
    inference(unused_predicate_definition_removal,[],[f15]) ).

fof(f100,plain,
    ( or_2
   => ! [X0,X1] : is_a_theorem(implies(X1,or(X0,X1))) ),
    inference(unused_predicate_definition_removal,[],[f11]) ).

fof(f102,plain,
    ( and_3
   => ! [X0,X1] : is_a_theorem(implies(X0,implies(X1,and(X0,X1)))) ),
    inference(unused_predicate_definition_removal,[],[f9]) ).

fof(f104,plain,
    ( and_1
   => ! [X0,X1] : is_a_theorem(implies(and(X0,X1),X0)) ),
    inference(unused_predicate_definition_removal,[],[f7]) ).

fof(f106,plain,
    ( implies_2
   => ! [X0,X1] : is_a_theorem(implies(implies(X0,implies(X0,X1)),implies(X0,X1))) ),
    inference(unused_predicate_definition_removal,[],[f5]) ).

fof(f107,plain,
    ( implies_1
   => ! [X0,X1] : is_a_theorem(implies(X0,implies(X1,X0))) ),
    inference(unused_predicate_definition_removal,[],[f4]) ).

fof(f108,plain,
    ( modus_tollens
   => ! [X0,X1] : is_a_theorem(implies(implies(not(X1),not(X0)),implies(X0,X1))) ),
    inference(unused_predicate_definition_removal,[],[f3]) ).

fof(f109,plain,
    ( substitution_of_equivalents
   => ! [X0,X1] :
        ( is_a_theorem(equiv(X0,X1))
       => X0 = X1 ) ),
    inference(unused_predicate_definition_removal,[],[f2]) ).

fof(f110,plain,
    ( modus_ponens
   => ! [X0,X1] :
        ( ( is_a_theorem(implies(X0,X1))
          & is_a_theorem(X0) )
       => is_a_theorem(X1) ) ),
    inference(unused_predicate_definition_removal,[],[f1]) ).

fof(f115,plain,
    ( ~ modus_ponens
    | ! [X0,X1] :
        ( ~ is_a_theorem(implies(X0,X1))
        | ~ is_a_theorem(X0)
        | is_a_theorem(X1) ) ),
    inference(ennf_transformation,[],[f110]) ).

fof(f116,plain,
    ( ~ modus_ponens
    | ! [X0,X1] :
        ( ~ is_a_theorem(implies(X0,X1))
        | ~ is_a_theorem(X0)
        | is_a_theorem(X1) ) ),
    inference(flattening,[],[f115]) ).

fof(f117,plain,
    ( ~ substitution_of_equivalents
    | ! [X0,X1] :
        ( ~ is_a_theorem(equiv(X0,X1))
        | X0 = X1 ) ),
    inference(ennf_transformation,[],[f109]) ).

fof(f118,plain,
    ( ~ modus_tollens
    | ! [X0,X1] : is_a_theorem(implies(implies(not(X1),not(X0)),implies(X0,X1))) ),
    inference(ennf_transformation,[],[f108]) ).

fof(f119,plain,
    ( ~ implies_1
    | ! [X0,X1] : is_a_theorem(implies(X0,implies(X1,X0))) ),
    inference(ennf_transformation,[],[f107]) ).

fof(f120,plain,
    ( ~ implies_2
    | ! [X0,X1] : is_a_theorem(implies(implies(X0,implies(X0,X1)),implies(X0,X1))) ),
    inference(ennf_transformation,[],[f106]) ).

fof(f122,plain,
    ( ~ and_1
    | ! [X0,X1] : is_a_theorem(implies(and(X0,X1),X0)) ),
    inference(ennf_transformation,[],[f104]) ).

fof(f124,plain,
    ( ~ and_3
    | ! [X0,X1] : is_a_theorem(implies(X0,implies(X1,and(X0,X1)))) ),
    inference(ennf_transformation,[],[f102]) ).

fof(f126,plain,
    ( ~ or_2
    | ! [X0,X1] : is_a_theorem(implies(X1,or(X0,X1))) ),
    inference(ennf_transformation,[],[f100]) ).

fof(f130,plain,
    ( ~ equivalence_3
    | ! [X0,X1] : is_a_theorem(implies(implies(X0,X1),implies(implies(X1,X0),equiv(X0,X1)))) ),
    inference(ennf_transformation,[],[f96]) ).

fof(f131,plain,
    ( ~ op_or
    | ! [X0,X1] : or(X0,X1) = not(and(not(X0),not(X1))) ),
    inference(ennf_transformation,[],[f27]) ).

fof(f132,plain,
    ( ~ op_implies_and
    | ! [X0,X1] : implies(X0,X1) = not(and(X0,not(X1))) ),
    inference(ennf_transformation,[],[f29]) ).

fof(f134,plain,
    ( ~ necessitation
    | ! [X0] :
        ( ~ is_a_theorem(X0)
        | is_a_theorem(necessarily(X0)) ) ),
    inference(ennf_transformation,[],[f95]) ).

fof(f136,plain,
    ( ~ axiom_M
    | ! [X0] : is_a_theorem(implies(necessarily(X0),X0)) ),
    inference(ennf_transformation,[],[f93]) ).

fof(f138,plain,
    ( ? [X0] : ~ is_a_theorem(strict_implies(X0,possibly(X0)))
    | axiom_m6 ),
    inference(ennf_transformation,[],[f91]) ).

fof(f139,plain,
    ( ~ op_possibly
    | ! [X0] : possibly(X0) = not(necessarily(not(X0))) ),
    inference(ennf_transformation,[],[f73]) ).

fof(f140,plain,
    ( ~ op_strict_implies
    | ! [X0,X1] : strict_implies(X0,X1) = necessarily(implies(X0,X1)) ),
    inference(ennf_transformation,[],[f75]) ).

fof(f142,plain,
    ( ~ is_a_theorem(strict_implies(sK0,possibly(sK0)))
    | axiom_m6 ),
    inference(skolemize,[status(esa),new_symbols(skolem,[sK0]),skolemize(X0,sK0)],[f138]) ).

fof(f143,plain,
    ! [X0,X1] :
      ( ~ modus_ponens
      | ~ is_a_theorem(implies(X0,X1))
      | ~ is_a_theorem(X0)
      | is_a_theorem(X1) ),
    inference(cnf_transformation,[],[f116]) ).

fof(f144,plain,
    ! [X0,X1] :
      ( ~ substitution_of_equivalents
      | ~ is_a_theorem(equiv(X0,X1))
      | X0 = X1 ),
    inference(cnf_transformation,[],[f117]) ).

fof(f145,plain,
    ! [X0,X1] :
      ( ~ modus_tollens
      | is_a_theorem(implies(implies(not(X1),not(X0)),implies(X0,X1))) ),
    inference(cnf_transformation,[],[f118]) ).

fof(f146,plain,
    ! [X0,X1] :
      ( ~ implies_1
      | is_a_theorem(implies(X0,implies(X1,X0))) ),
    inference(cnf_transformation,[],[f119]) ).

fof(f147,plain,
    ! [X0,X1] :
      ( ~ implies_2
      | is_a_theorem(implies(implies(X0,implies(X0,X1)),implies(X0,X1))) ),
    inference(cnf_transformation,[],[f120]) ).

fof(f149,plain,
    ! [X0,X1] :
      ( ~ and_1
      | is_a_theorem(implies(and(X0,X1),X0)) ),
    inference(cnf_transformation,[],[f122]) ).

fof(f151,plain,
    ! [X0,X1] :
      ( ~ and_3
      | is_a_theorem(implies(X0,implies(X1,and(X0,X1)))) ),
    inference(cnf_transformation,[],[f124]) ).

fof(f153,plain,
    ! [X0,X1] :
      ( ~ or_2
      | is_a_theorem(implies(X1,or(X0,X1))) ),
    inference(cnf_transformation,[],[f126]) ).

fof(f157,plain,
    ! [X0,X1] :
      ( ~ equivalence_3
      | is_a_theorem(implies(implies(X0,X1),implies(implies(X1,X0),equiv(X0,X1)))) ),
    inference(cnf_transformation,[],[f130]) ).

fof(f158,plain,
    ! [X0,X1] :
      ( ~ op_or
      | or(X0,X1) = not(and(not(X0),not(X1))) ),
    inference(cnf_transformation,[],[f131]) ).

fof(f159,plain,
    ! [X0,X1] :
      ( ~ op_implies_and
      | implies(X0,X1) = not(and(X0,not(X1))) ),
    inference(cnf_transformation,[],[f132]) ).

fof(f162,plain,
    op_implies_and,
    inference(cnf_transformation,[],[f33]) ).

fof(f164,plain,
    modus_ponens,
    inference(cnf_transformation,[],[f35]) ).

fof(f165,plain,
    modus_tollens,
    inference(cnf_transformation,[],[f36]) ).

fof(f166,plain,
    implies_1,
    inference(cnf_transformation,[],[f37]) ).

fof(f167,plain,
    implies_2,
    inference(cnf_transformation,[],[f38]) ).

fof(f169,plain,
    and_1,
    inference(cnf_transformation,[],[f40]) ).

fof(f171,plain,
    and_3,
    inference(cnf_transformation,[],[f42]) ).

fof(f173,plain,
    or_2,
    inference(cnf_transformation,[],[f44]) ).

fof(f177,plain,
    equivalence_3,
    inference(cnf_transformation,[],[f48]) ).

fof(f178,plain,
    substitution_of_equivalents,
    inference(cnf_transformation,[],[f49]) ).

fof(f179,plain,
    ! [X0] :
      ( ~ necessitation
      | ~ is_a_theorem(X0)
      | is_a_theorem(necessarily(X0)) ),
    inference(cnf_transformation,[],[f134]) ).

fof(f181,plain,
    ! [X0] :
      ( ~ axiom_M
      | is_a_theorem(implies(necessarily(X0),X0)) ),
    inference(cnf_transformation,[],[f136]) ).

fof(f183,plain,
    ( ~ is_a_theorem(strict_implies(sK0,possibly(sK0)))
    | axiom_m6 ),
    inference(cnf_transformation,[],[f142]) ).

fof(f184,plain,
    ! [X0] :
      ( ~ op_possibly
      | possibly(X0) = not(necessarily(not(X0))) ),
    inference(cnf_transformation,[],[f139]) ).

fof(f185,plain,
    ! [X0,X1] :
      ( ~ op_strict_implies
      | strict_implies(X0,X1) = necessarily(implies(X0,X1)) ),
    inference(cnf_transformation,[],[f140]) ).

fof(f188,plain,
    necessitation,
    inference(cnf_transformation,[],[f78]) ).

fof(f190,plain,
    axiom_M,
    inference(cnf_transformation,[],[f80]) ).

fof(f192,plain,
    op_possibly,
    inference(cnf_transformation,[],[f82]) ).

fof(f193,plain,
    op_or,
    inference(cnf_transformation,[],[f83]) ).

fof(f194,plain,
    op_strict_implies,
    inference(cnf_transformation,[],[f85]) ).

fof(f197,plain,
    ~ axiom_m6,
    inference(cnf_transformation,[],[f90]) ).

tcf(c_49,plain,
    ! [X0: $i,X1: $i] :
      ( is_a_theorem(X1)
      | ~ modus_ponens
      | ~ is_a_theorem(X0)
      | ~ is_a_theorem(implies(X0,X1)) ),
    inference(cnf_transformation,[],[f143]) ).

tcf(c_50,plain,
    ! [X0: $i,X1: $i] :
      ( ( X0 = X1 )
      | ~ substitution_of_equivalents
      | ~ is_a_theorem(equiv(X0,X1)) ),
    inference(cnf_transformation,[],[f144]) ).

tcf(c_51,plain,
    ! [X0: $i,X1: $i] :
      ( is_a_theorem(implies(implies(not(X0),not(X1)),implies(X1,X0)))
      | ~ modus_tollens ),
    inference(cnf_transformation,[],[f145]) ).

tcf(c_52,plain,
    ! [X0: $i,X1: $i] :
      ( is_a_theorem(implies(X0,implies(X1,X0)))
      | ~ implies_1 ),
    inference(cnf_transformation,[],[f146]) ).

tcf(c_53,plain,
    ! [X0: $i,X1: $i] :
      ( is_a_theorem(implies(implies(X0,implies(X0,X1)),implies(X0,X1)))
      | ~ implies_2 ),
    inference(cnf_transformation,[],[f147]) ).

tcf(c_55,plain,
    ! [X0: $i,X1: $i] :
      ( is_a_theorem(implies(and(X0,X1),X0))
      | ~ and_1 ),
    inference(cnf_transformation,[],[f149]) ).

tcf(c_57,plain,
    ! [X0: $i,X1: $i] :
      ( is_a_theorem(implies(X0,implies(X1,and(X0,X1))))
      | ~ and_3 ),
    inference(cnf_transformation,[],[f151]) ).

tcf(c_59,plain,
    ! [X0: $i,X1: $i] :
      ( is_a_theorem(implies(X0,or(X1,X0)))
      | ~ or_2 ),
    inference(cnf_transformation,[],[f153]) ).

tcf(c_63,plain,
    ! [X0: $i,X1: $i] :
      ( is_a_theorem(implies(implies(X0,X1),implies(implies(X1,X0),equiv(X0,X1))))
      | ~ equivalence_3 ),
    inference(cnf_transformation,[],[f157]) ).

tcf(c_64,plain,
    ! [X0: $i,X1: $i] :
      ( ( not(and(not(X0),not(X1))) = or(X0,X1) )
      | ~ op_or ),
    inference(cnf_transformation,[],[f158]) ).

tcf(c_65,plain,
    ! [X0: $i,X1: $i] :
      ( ( not(and(X0,not(X1))) = implies(X0,X1) )
      | ~ op_implies_and ),
    inference(cnf_transformation,[],[f159]) ).

tcf(c_68,plain,
    op_implies_and,
    inference(cnf_transformation,[],[f162]) ).

tcf(c_70,plain,
    modus_ponens,
    inference(cnf_transformation,[],[f164]) ).

tcf(c_71,plain,
    modus_tollens,
    inference(cnf_transformation,[],[f165]) ).

tcf(c_72,plain,
    implies_1,
    inference(cnf_transformation,[],[f166]) ).

tcf(c_73,plain,
    implies_2,
    inference(cnf_transformation,[],[f167]) ).

tcf(c_75,plain,
    and_1,
    inference(cnf_transformation,[],[f169]) ).

tcf(c_77,plain,
    and_3,
    inference(cnf_transformation,[],[f171]) ).

tcf(c_79,plain,
    or_2,
    inference(cnf_transformation,[],[f173]) ).

tcf(c_83,plain,
    equivalence_3,
    inference(cnf_transformation,[],[f177]) ).

tcf(c_84,plain,
    substitution_of_equivalents,
    inference(cnf_transformation,[],[f178]) ).

tcf(c_85,plain,
    ! [X0: $i] :
      ( is_a_theorem(necessarily(X0))
      | ~ necessitation
      | ~ is_a_theorem(X0) ),
    inference(cnf_transformation,[],[f179]) ).

tcf(c_87,plain,
    ! [X0: $i] :
      ( is_a_theorem(implies(necessarily(X0),X0))
      | ~ axiom_M ),
    inference(cnf_transformation,[],[f181]) ).

tcf(c_89,plain,
    ( axiom_m6
    | ~ is_a_theorem(strict_implies(sK0,possibly(sK0))) ),
    inference(cnf_transformation,[],[f183]) ).

tcf(c_90,plain,
    ! [X0: $i] :
      ( ( not(necessarily(not(X0))) = possibly(X0) )
      | ~ op_possibly ),
    inference(cnf_transformation,[],[f184]) ).

tcf(c_91,plain,
    ! [X0: $i,X1: $i] :
      ( ( necessarily(implies(X0,X1)) = strict_implies(X0,X1) )
      | ~ op_strict_implies ),
    inference(cnf_transformation,[],[f185]) ).

tcf(c_94,plain,
    necessitation,
    inference(cnf_transformation,[],[f188]) ).

tcf(c_96,plain,
    axiom_M,
    inference(cnf_transformation,[],[f190]) ).

tcf(c_98,plain,
    op_possibly,
    inference(cnf_transformation,[],[f192]) ).

tcf(c_99,plain,
    op_or,
    inference(cnf_transformation,[],[f193]) ).

tcf(c_100,plain,
    op_strict_implies,
    inference(cnf_transformation,[],[f194]) ).

tcf(c_103,negated_conjecture,
    ~ axiom_m6,
    inference(cnf_transformation,[],[f197]) ).

tcf(c_128,plain,
    ~ is_a_theorem(strict_implies(sK0,possibly(sK0))),
    inference(global_subsumption_just,[status(thm)],[c_89,c_103,c_89]) ).

tcf(c_130,plain,
    ! [X0: $i] : is_a_theorem(implies(necessarily(X0),X0)),
    inference(global_subsumption_just,[status(thm)],[c_87,c_96,c_87]) ).

tcf(c_133,plain,
    ! [X0: $i] :
      ( is_a_theorem(necessarily(X0))
      | ~ is_a_theorem(X0) ),
    inference(global_subsumption_just,[status(thm)],[c_85,c_94,c_85]) ).

tcf(c_136,plain,
    ! [X0: $i,X1: $i] : is_a_theorem(implies(X0,or(X1,X0))),
    inference(global_subsumption_just,[status(thm)],[c_59,c_79,c_59]) ).

tcf(c_144,plain,
    ! [X0: $i,X1: $i] : is_a_theorem(implies(and(X0,X1),X0)),
    inference(global_subsumption_just,[status(thm)],[c_55,c_75,c_55]) ).

tcf(c_146,plain,
    ! [X0: $i,X1: $i] : is_a_theorem(implies(X0,implies(X1,X0))),
    inference(global_subsumption_just,[status(thm)],[c_52,c_72,c_52]) ).

tcf(c_152,plain,
    ! [X0: $i] : not(necessarily(not(X0))) = possibly(X0),
    inference(global_subsumption_just,[status(thm)],[c_90,c_98,c_90]) ).

tcf(c_160,plain,
    ! [X0: $i,X1: $i] : is_a_theorem(implies(X0,implies(X1,and(X0,X1)))),
    inference(global_subsumption_just,[status(thm)],[c_57,c_77,c_57]) ).

tcf(c_163,plain,
    ! [X0: $i,X1: $i] : necessarily(implies(X0,X1)) = strict_implies(X0,X1),
    inference(global_subsumption_just,[status(thm)],[c_91,c_100,c_91]) ).

tcf(c_166,plain,
    ! [X0: $i,X1: $i] :
      ( ( X0 = X1 )
      | ~ is_a_theorem(equiv(X0,X1)) ),
    inference(global_subsumption_just,[status(thm)],[c_50,c_84,c_50]) ).

tcf(c_169,plain,
    ! [X0: $i,X1: $i] : not(and(X0,not(X1))) = implies(X0,X1),
    inference(global_subsumption_just,[status(thm)],[c_65,c_68,c_65]) ).

tcf(c_172,plain,
    ! [X0: $i,X1: $i] : is_a_theorem(implies(implies(X0,implies(X0,X1)),implies(X0,X1))),
    inference(global_subsumption_just,[status(thm)],[c_53,c_73,c_53]) ).

tcf(c_175,plain,
    ! [X0: $i,X1: $i] : is_a_theorem(implies(implies(not(X0),not(X1)),implies(X1,X0))),
    inference(global_subsumption_just,[status(thm)],[c_51,c_71,c_51]) ).

tcf(c_178,plain,
    ! [X0: $i,X1: $i] :
      ( is_a_theorem(X1)
      | ~ is_a_theorem(implies(X0,X1))
      | ~ is_a_theorem(X0) ),
    inference(global_subsumption_just,[status(thm)],[c_49,c_70,c_49]) ).

tcf(c_179,plain,
    ! [X0: $i,X1: $i] :
      ( is_a_theorem(X1)
      | ~ is_a_theorem(X0)
      | ~ is_a_theorem(implies(X0,X1)) ),
    inference(renaming,[status(thm)],[c_178]) ).

tcf(c_183,plain,
    ! [X0: $i,X1: $i] : not(and(not(X0),not(X1))) = or(X0,X1),
    inference(global_subsumption_just,[status(thm)],[c_64,c_99,c_64]) ).

tcf(c_192,plain,
    ! [X0: $i,X1: $i] : is_a_theorem(implies(implies(X0,X1),implies(implies(X1,X0),equiv(X0,X1)))),
    inference(global_subsumption_just,[status(thm)],[c_63,c_83,c_63]) ).

tcf(c_318,plain,
    ! [X0: $i,X1: $i] : implies(not(X0),X1) = or(X0,X1),
    inference(demodulation,[status(thm)],[c_183,c_169]) ).

tcf(c_397,plain,
    ! [X0: $i,X1: $i] : is_a_theorem(implies(or(X0,not(X1)),implies(X1,X0))),
    inference(demodulation,[status(thm)],[c_175,c_318]) ).

tcf(c_2114,plain,
    ! [X0: $i,X1: $i] :
      ( is_a_theorem(strict_implies(X0,X1))
      | ~ is_a_theorem(implies(X0,X1)) ),
    inference(superposition,[status(thm)],[c_163,c_133]) ).

tcf(c_2119,plain,
    ! [X0: $i,X1: $i] : implies(X0,necessarily(not(X1))) = not(and(X0,possibly(X1))),
    inference(superposition,[status(thm)],[c_152,c_169]) ).

tcf(c_2127,plain,
    ! [X0: $i,X1: $i] :
      ( is_a_theorem(implies(X0,X1))
      | ~ is_a_theorem(implies(X0,implies(X0,X1))) ),
    inference(superposition,[status(thm)],[c_172,c_179]) ).

tcf(c_2143,plain,
    ! [X0: $i,X1: $i] :
      ( is_a_theorem(implies(implies(X1,X0),equiv(X0,X1)))
      | ~ is_a_theorem(implies(X0,X1)) ),
    inference(superposition,[status(thm)],[c_192,c_179]) ).

tcf(c_2151,plain,
    ! [X0: $i,X1: $i] :
      ( is_a_theorem(implies(X1,X0))
      | ~ is_a_theorem(or(X0,not(X1))) ),
    inference(superposition,[status(thm)],[c_397,c_179]) ).

tcf(c_2194,plain,
    ! [X0: $i,X1: $i] : is_a_theorem(or(X0,or(X1,not(X0)))),
    inference(superposition,[status(thm)],[c_318,c_136]) ).

tcf(c_2256,plain,
    ! [X0: $i,X1: $i] : is_a_theorem(implies(necessarily(not(X0)),not(and(X1,possibly(X0))))),
    inference(superposition,[status(thm)],[c_2119,c_146]) ).

tcf(c_2334,plain,
    ! [X0: $i] : is_a_theorem(implies(X0,and(X0,X0))),
    inference(superposition,[status(thm)],[c_160,c_2127]) ).

tcf(c_2371,plain,
    ! [X0: $i,X1: $i] :
      ( is_a_theorem(equiv(X0,X1))
      | ~ is_a_theorem(implies(X1,X0))
      | ~ is_a_theorem(implies(X0,X1)) ),
    inference(superposition,[status(thm)],[c_2143,c_179]) ).

tcf(c_6872,plain,
    ! [X0: $i] :
      ( is_a_theorem(equiv(and(X0,X0),X0))
      | ~ is_a_theorem(implies(and(X0,X0),X0)) ),
    inference(superposition,[status(thm)],[c_2334,c_2371]) ).

tcf(c_6890,plain,
    ! [X0: $i] : is_a_theorem(equiv(and(X0,X0),X0)),
    inference(forward_subsumption_resolution,[status(thm)],[c_6872,c_144]) ).

tcf(c_7223,plain,
    ! [X0: $i] : and(X0,X0) = X0,
    inference(superposition,[status(thm)],[c_6890,c_166]) ).

tcf(c_7250,plain,
    ! [X0: $i] : implies(not(X0),X0) = not(not(X0)),
    inference(superposition,[status(thm)],[c_7223,c_169]) ).

tcf(c_7285,plain,
    ! [X0: $i] : is_a_theorem(implies(necessarily(not(X0)),not(possibly(X0)))),
    inference(superposition,[status(thm)],[c_7223,c_2256]) ).

tcf(c_7321,plain,
    ! [X0: $i] : or(X0,X0) = not(not(X0)),
    inference(demodulation,[status(thm)],[c_7250,c_318]) ).

tcf(c_9107,plain,
    ! [X0: $i] : is_a_theorem(or(X0,not(not(not(X0))))),
    inference(superposition,[status(thm)],[c_7321,c_2194]) ).

tcf(c_10327,plain,
    ! [X0: $i] : is_a_theorem(implies(not(not(X0)),X0)),
    inference(superposition,[status(thm)],[c_9107,c_2151]) ).

tcf(c_10328,plain,
    ! [X0: $i] : is_a_theorem(or(not(X0),X0)),
    inference(demodulation,[status(thm)],[c_10327,c_318]) ).

tcf(c_10379,plain,
    ! [X0: $i] : is_a_theorem(or(possibly(X0),necessarily(not(X0)))),
    inference(superposition,[status(thm)],[c_152,c_10328]) ).

tcf(c_11572,plain,
    ! [X0: $i] :
      ( is_a_theorem(equiv(not(possibly(X0)),necessarily(not(X0))))
      | ~ is_a_theorem(implies(not(possibly(X0)),necessarily(not(X0)))) ),
    inference(superposition,[status(thm)],[c_7285,c_2371]) ).

tcf(c_11582,plain,
    ! [X0: $i] :
      ( is_a_theorem(equiv(not(possibly(X0)),necessarily(not(X0))))
      | ~ is_a_theorem(or(possibly(X0),necessarily(not(X0)))) ),
    inference(demodulation,[status(thm)],[c_11572,c_318]) ).

tcf(c_11583,plain,
    ! [X0: $i] : is_a_theorem(equiv(not(possibly(X0)),necessarily(not(X0)))),
    inference(forward_subsumption_resolution,[status(thm)],[c_11582,c_10379]) ).

tcf(c_14395,plain,
    ! [X0: $i] : not(possibly(X0)) = necessarily(not(X0)),
    inference(superposition,[status(thm)],[c_11583,c_166]) ).

tcf(c_14446,plain,
    ! [X0: $i] : is_a_theorem(implies(not(possibly(X0)),not(X0))),
    inference(superposition,[status(thm)],[c_14395,c_130]) ).

tcf(c_14510,plain,
    ! [X0: $i] : is_a_theorem(or(possibly(X0),not(X0))),
    inference(demodulation,[status(thm)],[c_14446,c_318]) ).

tcf(c_14659,plain,
    ! [X0: $i] : is_a_theorem(implies(X0,possibly(X0))),
    inference(superposition,[status(thm)],[c_14510,c_2151]) ).

tcf(c_14779,plain,
    ! [X0: $i] : is_a_theorem(strict_implies(X0,possibly(X0))),
    inference(superposition,[status(thm)],[c_14659,c_2114]) ).

tcf(c_14788,plain,
    $false,
    inference(superposition,[status(thm)],[c_14779,c_128]) ).


%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.03  % Problem  : LCL533+1 : TPTP v9.3.1. Bugfixed v9.2.0.
% 0.00/0.04  % Command  : run_iprover 300 /export/starexec/sandbox/benchmark/theBenchmark.p THM
% 0.11/0.36  % Computer : n016.cluster.edu
% 0.11/0.36  % Model    : x86_64 x86_64
% 0.11/0.36  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.11/0.36  % Memory   : 8046.5625MB
% 0.11/0.36  % OS       : Linux 6.8.0-71-generic
% 0.11/0.36  % CPULimit : 300
% 0.11/0.36  % WCLimit  : 300
% 0.11/0.36  % DateTime : Wed Sep 23 23:45:13 UTC 2026
% 0.11/0.36  % CPUTime  : 
% 0.11/0.36  Running run_iprover 300 /export/starexec/sandbox/benchmark/theBenchmark.p THM
% 0.11/0.40  Running first-order theorem proving
% 0.11/0.40  Running: /export/starexec/sandbox/solver/bin/iproveropt-multi-core.sh -d -n -l tptp -s fof_schedule -t 300 /export/starexec/sandbox/benchmark/theBenchmark.p
% 0.11/0.41  
% 0.11/0.41  % ======== iProver multi-core TPTP/SMT =========
% 0.11/0.41  
% 0.11/0.41  % Detected problem language: tptp
% 0.11/0.42  % Proving...
% 36.39/5.83  % SZS status Started for theBenchmark.p
% 36.39/5.83  % SZS status Theorem for theBenchmark.p
% 36.39/5.83  
% 36.39/5.83  %---------------- iProver v3.9.4 (pre CASC 2026/SMT-COMP 2026) ----------------%
% 36.39/5.83  
% 36.39/5.83  % ------  iProver source info
% 36.39/5.83  
% 36.39/5.83  % git: date: 2026-07-19 20:42:38 +0200
% 36.39/5.83  % git: sha1: 804e7d636a263075307957e923b7a22a4035de61
% 36.39/5.83  % git: non_committed_changes: false
% 36.39/5.83  
% 36.39/5.83  % ------ Parsing...
% 36.39/5.83  % ------ Clausification by vclausify_rel  & Parsing by iProver...% 
% 36.39/5.83  
% 36.39/5.83  % ------ Preprocessing... sup_sim: 2  sf_s  rm: 27 0s  sf_e  pe_s  pe_e  sup_sim: 1  sf_s  rm: 1 0s  sf_e  pe_s  pe_e % 
% 36.39/5.83  
% 36.39/5.83  % ------ Preprocessing... gs_s  sp: 0 0s  gs_e  snvd_s sp: 0 0s snvd_e % 
% 36.39/5.83  
% 36.39/5.83  % ------ Preprocessing... sf_s  rm: 1 0s  sf_e  sf_s  rm: 0 0s  sf_e 
% 36.39/5.83  % ------ Proving...
% 36.39/5.83  % ------ Problem Properties 
% 36.39/5.83  
% 36.39/5.83  % 
% 36.39/5.83  % clauses                               26
% 36.39/5.83  % conjectures                           0
% 36.39/5.83  % EPR                                   0
% 36.39/5.83  % Horn                                  26
% 36.39/5.83  % unary                                 23
% 36.39/5.83  % binary                                2
% 36.39/5.83  % lits                                  30
% 36.39/5.83  % lits eq                               7
% 36.39/5.83  % fd_pure                               0
% 36.39/5.83  % fd_pseudo                             0
% 36.39/5.83  % fd_cond                               0
% 36.39/5.83  % fd_pseudo_cond                        1
% 36.39/5.83  % AC symbols                            0
% 36.39/5.83  
% 36.39/5.83  % ------ Input Options Time Limit: Unbounded
% 36.39/5.83  
% 36.39/5.83  
% 36.39/5.83  % ------ 
% 36.39/5.83  % Current options:
% 36.39/5.83  % ------ 
% 36.39/5.83  
% 36.39/5.83  
% 36.39/5.83  % 
% 36.39/5.83  
% 36.39/5.83  % ------ Proving...
% 36.39/5.83  % 
% 36.39/5.83  
% 36.39/5.83  % SZS status Theorem for theBenchmark.p
% 36.39/5.83  
% 36.39/5.83  % SZS output start CNFRefutation for theBenchmark.p
% See solution above
% 36.39/5.83  
% 36.39/5.83  
%------------------------------------------------------------------------------