TSTP Solution File: LCL039-1 by Leo-III---1.7.10

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Leo-III---1.7.10
% Problem  : LCL039-1 : TPTP v8.1.2. Released v1.0.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : run_Leo-III %s %d

% Computer : n015.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 : Tue May  7 07:53:52 EDT 2024

% Result   : Unsatisfiable 9.14s 2.88s
% Output   : Refutation 9.14s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   24
%            Number of leaves      :   13
% Syntax   : Number of formulae    :   90 (  51 unt;   5 typ;   0 def)
%            Number of atoms       :  172 (  54 equ;   0 cnn)
%            Maximal formula atoms :    4 (   2 avg)
%            Number of connectives :  849 (  78   ~;  43   |;   0   &; 728   @)
%                                         (   0 <=>;   0  =>;   0  <=;   0 <~>)
%            Maximal formula depth :   13 (   6 avg)
%            Number of types       :    2 (   0 usr)
%            Number of type conns  :    5 (   5   >;   0   *;   0   +;   0  <<)
%            Number of symbols     :    8 (   5 usr;   3 con; 0-2 aty)
%            Number of variables   :  128 (   0   ^ 128   !;   0   ?; 128   :)

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

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

thf(necessary_type,type,
    necessary: $i > $i ).

thf(a_type,type,
    a: $i ).

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

thf(1,negated_conjecture,
    ~ ( is_a_theorem @ ( implies @ ( necessary @ a ) @ ( not @ ( necessary @ ( not @ a ) ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',prove_this) ).

thf(9,plain,
    ~ ( is_a_theorem @ ( implies @ ( necessary @ a ) @ ( not @ ( necessary @ ( not @ a ) ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[1]) ).

thf(10,plain,
    ~ ( is_a_theorem @ ( implies @ ( necessary @ a ) @ ( not @ ( necessary @ ( not @ a ) ) ) ) ),
    inference(polarity_switch,[status(thm)],[9]) ).

thf(7,axiom,
    ! [A: $i] : ( is_a_theorem @ ( implies @ ( necessary @ A ) @ A ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',necessitation2) ).

thf(17,plain,
    ! [A: $i] : ( is_a_theorem @ ( implies @ ( necessary @ A ) @ A ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[7]) ).

thf(20,plain,
    ! [A: $i] :
      ( ( is_a_theorem @ ( implies @ ( necessary @ A ) @ A ) )
     != ( is_a_theorem @ ( implies @ ( necessary @ a ) @ ( not @ ( necessary @ ( not @ a ) ) ) ) ) ),
    inference(paramod_ordered,[status(thm)],[17,10]) ).

thf(21,plain,
    ! [A: $i] :
      ( ( implies @ ( necessary @ A ) @ A )
     != ( implies @ ( necessary @ a ) @ ( not @ ( necessary @ ( not @ a ) ) ) ) ),
    inference(simp,[status(thm)],[20]) ).

thf(24,plain,
    ! [A: $i] :
      ( ( ( necessary @ A )
       != ( necessary @ a ) )
      | ( A
       != ( not @ ( necessary @ ( not @ a ) ) ) ) ),
    inference(simp,[status(thm)],[21]) ).

thf(25,plain,
    ( ( necessary @ ( not @ ( necessary @ ( not @ a ) ) ) )
   != ( necessary @ a ) ),
    inference(simp,[status(thm)],[24]) ).

thf(6,axiom,
    ! [B: $i,A: $i] : ( is_a_theorem @ ( implies @ ( necessary @ ( implies @ A @ B ) ) @ ( implies @ ( necessary @ A ) @ ( necessary @ B ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',necessitation1) ).

thf(16,plain,
    ! [B: $i,A: $i] : ( is_a_theorem @ ( implies @ ( necessary @ ( implies @ A @ B ) ) @ ( implies @ ( necessary @ A ) @ ( necessary @ B ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[6]) ).

thf(52,plain,
    ! [B: $i,A: $i] :
      ( ( is_a_theorem @ ( implies @ ( necessary @ ( implies @ A @ B ) ) @ ( implies @ ( necessary @ A ) @ ( necessary @ B ) ) ) )
     != ( is_a_theorem @ ( implies @ ( necessary @ a ) @ ( not @ ( necessary @ ( not @ a ) ) ) ) ) ),
    inference(paramod_ordered,[status(thm)],[16,10]) ).

thf(57,plain,
    ! [B: $i,A: $i] :
      ( ( implies @ ( necessary @ ( implies @ A @ B ) ) @ ( implies @ ( necessary @ A ) @ ( necessary @ B ) ) )
     != ( implies @ ( necessary @ a ) @ ( not @ ( necessary @ ( not @ a ) ) ) ) ),
    inference(simp,[status(thm)],[52]) ).

thf(61,plain,
    ! [B: $i,A: $i] :
      ( ( ( necessary @ ( implies @ A @ B ) )
       != ( necessary @ a ) )
      | ( ( implies @ ( necessary @ A ) @ ( necessary @ B ) )
       != ( not @ ( necessary @ ( not @ a ) ) ) ) ),
    inference(simp,[status(thm)],[57]) ).

thf(5,axiom,
    ! [B: $i,A: $i] : ( is_a_theorem @ ( implies @ ( implies @ ( not @ A ) @ ( not @ B ) ) @ ( implies @ B @ A ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',cn_49) ).

thf(15,plain,
    ! [B: $i,A: $i] : ( is_a_theorem @ ( implies @ ( implies @ ( not @ A ) @ ( not @ B ) ) @ ( implies @ B @ A ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[5]) ).

thf(27,plain,
    ! [B: $i,A: $i] :
      ( ( is_a_theorem @ ( implies @ ( implies @ ( not @ A ) @ ( not @ B ) ) @ ( implies @ B @ A ) ) )
     != ( is_a_theorem @ ( implies @ ( necessary @ a ) @ ( not @ ( necessary @ ( not @ a ) ) ) ) ) ),
    inference(paramod_ordered,[status(thm)],[15,10]) ).

thf(28,plain,
    ! [B: $i,A: $i] :
      ( ( implies @ ( implies @ ( not @ A ) @ ( not @ B ) ) @ ( implies @ B @ A ) )
     != ( implies @ ( necessary @ a ) @ ( not @ ( necessary @ ( not @ a ) ) ) ) ),
    inference(simp,[status(thm)],[27]) ).

thf(60,plain,
    ! [B: $i,A: $i] :
      ( ( ( implies @ ( not @ A ) @ ( not @ B ) )
       != ( necessary @ a ) )
      | ( ( implies @ B @ A )
       != ( not @ ( necessary @ ( not @ a ) ) ) ) ),
    inference(simp,[status(thm)],[28]) ).

thf(8,axiom,
    ! [A: $i] :
      ( ~ ( is_a_theorem @ A )
      | ( is_a_theorem @ ( necessary @ A ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',axiom_of_necessitation) ).

thf(18,plain,
    ! [A: $i] :
      ( ~ ( is_a_theorem @ A )
      | ( is_a_theorem @ ( necessary @ A ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[8]) ).

thf(19,plain,
    ! [A: $i] :
      ( ~ ( is_a_theorem @ A )
      | ( is_a_theorem @ ( necessary @ A ) ) ),
    inference(cnf,[status(esa)],[18]) ).

thf(76,plain,
    ! [B: $i,A: $i] :
      ( ( is_a_theorem @ ( necessary @ B ) )
      | ( ( is_a_theorem @ ( implies @ ( necessary @ A ) @ A ) )
       != ( is_a_theorem @ B ) ) ),
    inference(paramod_ordered,[status(thm)],[17,19]) ).

thf(77,plain,
    ! [A: $i] : ( is_a_theorem @ ( necessary @ ( implies @ ( necessary @ A ) @ A ) ) ),
    inference(pattern_uni,[status(thm)],[76:[bind(A,$thf( D )),bind(B,$thf( implies @ ( necessary @ D ) @ D ))]]) ).

thf(95,plain,
    ! [A: $i] : ( is_a_theorem @ ( necessary @ ( implies @ ( necessary @ A ) @ A ) ) ),
    inference(simp,[status(thm)],[77]) ).

thf(162,plain,
    ! [B: $i,A: $i] :
      ( ( is_a_theorem @ ( necessary @ B ) )
      | ( ( is_a_theorem @ ( necessary @ ( implies @ ( necessary @ A ) @ A ) ) )
       != ( is_a_theorem @ B ) ) ),
    inference(paramod_ordered,[status(thm)],[95,19]) ).

thf(163,plain,
    ! [A: $i] : ( is_a_theorem @ ( necessary @ ( necessary @ ( implies @ ( necessary @ A ) @ A ) ) ) ),
    inference(pattern_uni,[status(thm)],[162:[bind(A,$thf( E )),bind(B,$thf( necessary @ ( implies @ ( necessary @ E ) @ E ) ))]]) ).

thf(168,plain,
    ! [A: $i] : ( is_a_theorem @ ( necessary @ ( necessary @ ( implies @ ( necessary @ A ) @ A ) ) ) ),
    inference(simp,[status(thm)],[163]) ).

thf(180,plain,
    ! [B: $i,A: $i] :
      ( ( is_a_theorem @ ( necessary @ B ) )
      | ( ( is_a_theorem @ ( necessary @ ( necessary @ ( implies @ ( necessary @ A ) @ A ) ) ) )
       != ( is_a_theorem @ B ) ) ),
    inference(paramod_ordered,[status(thm)],[168,19]) ).

thf(181,plain,
    ! [A: $i] : ( is_a_theorem @ ( necessary @ ( necessary @ ( necessary @ ( implies @ ( necessary @ A ) @ A ) ) ) ) ),
    inference(pattern_uni,[status(thm)],[180:[bind(A,$thf( F )),bind(B,$thf( necessary @ ( necessary @ ( implies @ ( necessary @ F ) @ F ) ) ))]]) ).

thf(186,plain,
    ! [A: $i] : ( is_a_theorem @ ( necessary @ ( necessary @ ( necessary @ ( implies @ ( necessary @ A ) @ A ) ) ) ) ),
    inference(simp,[status(thm)],[181]) ).

thf(198,plain,
    ! [B: $i,A: $i] :
      ( ( is_a_theorem @ ( necessary @ B ) )
      | ( ( is_a_theorem @ ( necessary @ ( necessary @ ( necessary @ ( implies @ ( necessary @ A ) @ A ) ) ) ) )
       != ( is_a_theorem @ B ) ) ),
    inference(paramod_ordered,[status(thm)],[186,19]) ).

thf(199,plain,
    ! [A: $i] : ( is_a_theorem @ ( necessary @ ( necessary @ ( necessary @ ( necessary @ ( implies @ ( necessary @ A ) @ A ) ) ) ) ) ),
    inference(pattern_uni,[status(thm)],[198:[bind(A,$thf( G )),bind(B,$thf( necessary @ ( necessary @ ( necessary @ ( implies @ ( necessary @ G ) @ G ) ) ) ))]]) ).

thf(205,plain,
    ! [A: $i] : ( is_a_theorem @ ( necessary @ ( necessary @ ( necessary @ ( necessary @ ( implies @ ( necessary @ A ) @ A ) ) ) ) ) ),
    inference(simp,[status(thm)],[199]) ).

thf(216,plain,
    ! [B: $i,A: $i] :
      ( ( is_a_theorem @ ( necessary @ B ) )
      | ( ( is_a_theorem @ ( necessary @ ( necessary @ ( necessary @ ( necessary @ ( implies @ ( necessary @ A ) @ A ) ) ) ) ) )
       != ( is_a_theorem @ B ) ) ),
    inference(paramod_ordered,[status(thm)],[205,19]) ).

thf(217,plain,
    ! [A: $i] : ( is_a_theorem @ ( necessary @ ( necessary @ ( necessary @ ( necessary @ ( necessary @ ( implies @ ( necessary @ A ) @ A ) ) ) ) ) ) ),
    inference(pattern_uni,[status(thm)],[216:[bind(A,$thf( H )),bind(B,$thf( necessary @ ( necessary @ ( necessary @ ( necessary @ ( implies @ ( necessary @ H ) @ H ) ) ) ) ))]]) ).

thf(224,plain,
    ! [A: $i] : ( is_a_theorem @ ( necessary @ ( necessary @ ( necessary @ ( necessary @ ( necessary @ ( implies @ ( necessary @ A ) @ A ) ) ) ) ) ) ),
    inference(simp,[status(thm)],[217]) ).

thf(3,axiom,
    ! [B: $i,A: $i] : ( is_a_theorem @ ( implies @ A @ ( implies @ B @ A ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',cn_18) ).

thf(13,plain,
    ! [B: $i,A: $i] : ( is_a_theorem @ ( implies @ A @ ( implies @ B @ A ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[3]) ).

thf(2,axiom,
    ! [B: $i,A: $i] :
      ( ~ ( is_a_theorem @ ( implies @ A @ B ) )
      | ~ ( is_a_theorem @ A )
      | ( is_a_theorem @ B ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',condensed_detachment) ).

thf(11,plain,
    ! [B: $i,A: $i] :
      ( ~ ( is_a_theorem @ ( implies @ A @ B ) )
      | ~ ( is_a_theorem @ A )
      | ( is_a_theorem @ B ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[2]) ).

thf(12,plain,
    ! [B: $i,A: $i] :
      ( ~ ( is_a_theorem @ ( implies @ A @ B ) )
      | ~ ( is_a_theorem @ A )
      | ( is_a_theorem @ B ) ),
    inference(cnf,[status(esa)],[11]) ).

thf(43,plain,
    ! [B: $i,A: $i] :
      ( ~ ( is_a_theorem @ A )
      | ( is_a_theorem @ B )
      | ( ( is_a_theorem @ ( implies @ A @ B ) )
       != ( is_a_theorem @ A ) )
      | ~ $true ),
    inference(eqfactor_ordered,[status(thm)],[12]) ).

thf(44,plain,
    ! [B: $i,A: $i] :
      ( ( is_a_theorem @ B )
      | ~ ( is_a_theorem @ A )
      | ( ( is_a_theorem @ ( implies @ A @ B ) )
       != ( is_a_theorem @ A ) ) ),
    inference(simp,[status(thm)],[43]) ).

thf(74,plain,
    ! [C: $i,B: $i,A: $i] :
      ( ( is_a_theorem @ ( necessary @ C ) )
      | ( ( is_a_theorem @ ( implies @ A @ ( implies @ B @ A ) ) )
       != ( is_a_theorem @ C ) ) ),
    inference(paramod_ordered,[status(thm)],[13,19]) ).

thf(75,plain,
    ! [B: $i,A: $i] : ( is_a_theorem @ ( necessary @ ( implies @ B @ ( implies @ A @ B ) ) ) ),
    inference(pattern_uni,[status(thm)],[74:[bind(A,$thf( G )),bind(B,$thf( F )),bind(C,$thf( implies @ G @ ( implies @ F @ G ) ))]]) ).

thf(94,plain,
    ! [B: $i,A: $i] : ( is_a_theorem @ ( necessary @ ( implies @ B @ ( implies @ A @ B ) ) ) ),
    inference(simp,[status(thm)],[75]) ).

thf(357,plain,
    ! [C: $i,B: $i,A: $i] :
      ( ( is_a_theorem @ ( necessary @ C ) )
      | ( ( is_a_theorem @ ( necessary @ ( implies @ B @ ( implies @ A @ B ) ) ) )
       != ( is_a_theorem @ C ) ) ),
    inference(paramod_ordered,[status(thm)],[94,19]) ).

thf(358,plain,
    ! [B: $i,A: $i] : ( is_a_theorem @ ( necessary @ ( necessary @ ( implies @ B @ ( implies @ A @ B ) ) ) ) ),
    inference(pattern_uni,[status(thm)],[357:[bind(A,$thf( G )),bind(B,$thf( H )),bind(C,$thf( necessary @ ( implies @ H @ ( implies @ G @ H ) ) ))]]) ).

thf(365,plain,
    ! [B: $i,A: $i] : ( is_a_theorem @ ( necessary @ ( necessary @ ( implies @ B @ ( implies @ A @ B ) ) ) ) ),
    inference(simp,[status(thm)],[358]) ).

thf(71,plain,
    ! [A: $i] :
      ( ~ ( is_a_theorem @ A )
      | ( ( is_a_theorem @ ( necessary @ A ) )
       != ( is_a_theorem @ ( implies @ ( necessary @ a ) @ ( not @ ( necessary @ ( not @ a ) ) ) ) ) ) ),
    inference(paramod_ordered,[status(thm)],[19,10]) ).

thf(88,plain,
    ! [A: $i] :
      ( ~ ( is_a_theorem @ A )
      | ( ( necessary @ A )
       != ( implies @ ( necessary @ a ) @ ( not @ ( necessary @ ( not @ a ) ) ) ) ) ),
    inference(simp,[status(thm)],[71]) ).

thf(106,plain,
    ! [B: $i,A: $i] :
      ( ~ ( is_a_theorem @ A )
      | ( ( necessary @ B )
       != ( implies @ ( necessary @ a ) @ ( not @ ( necessary @ ( not @ a ) ) ) ) )
      | ( ( is_a_theorem @ ( necessary @ A ) )
       != ( is_a_theorem @ B ) ) ),
    inference(paramod_ordered,[status(thm)],[19,88]) ).

thf(107,plain,
    ! [A: $i] :
      ( ~ ( is_a_theorem @ A )
      | ( ( necessary @ ( necessary @ A ) )
       != ( implies @ ( necessary @ a ) @ ( not @ ( necessary @ ( not @ a ) ) ) ) ) ),
    inference(pattern_uni,[status(thm)],[106:[bind(A,$thf( C )),bind(B,$thf( necessary @ C ))]]) ).

thf(113,plain,
    ! [A: $i] :
      ( ~ ( is_a_theorem @ A )
      | ( ( necessary @ ( necessary @ A ) )
       != ( implies @ ( necessary @ a ) @ ( not @ ( necessary @ ( not @ a ) ) ) ) ) ),
    inference(simp,[status(thm)],[107]) ).

thf(243,plain,
    ! [B: $i,A: $i] :
      ( ~ ( is_a_theorem @ A )
      | ( ( necessary @ ( necessary @ B ) )
       != ( implies @ ( necessary @ a ) @ ( not @ ( necessary @ ( not @ a ) ) ) ) )
      | ( ( is_a_theorem @ ( necessary @ A ) )
       != ( is_a_theorem @ B ) ) ),
    inference(paramod_ordered,[status(thm)],[19,113]) ).

thf(244,plain,
    ! [A: $i] :
      ( ~ ( is_a_theorem @ A )
      | ( ( necessary @ ( necessary @ ( necessary @ A ) ) )
       != ( implies @ ( necessary @ a ) @ ( not @ ( necessary @ ( not @ a ) ) ) ) ) ),
    inference(pattern_uni,[status(thm)],[243:[bind(A,$thf( C )),bind(B,$thf( necessary @ C ))]]) ).

thf(249,plain,
    ! [A: $i] :
      ( ~ ( is_a_theorem @ A )
      | ( ( necessary @ ( necessary @ ( necessary @ A ) ) )
       != ( implies @ ( necessary @ a ) @ ( not @ ( necessary @ ( not @ a ) ) ) ) ) ),
    inference(simp,[status(thm)],[244]) ).

thf(384,plain,
    ! [C: $i,B: $i,A: $i] :
      ( ( is_a_theorem @ ( necessary @ C ) )
      | ( ( is_a_theorem @ ( necessary @ ( necessary @ ( implies @ B @ ( implies @ A @ B ) ) ) ) )
       != ( is_a_theorem @ C ) ) ),
    inference(paramod_ordered,[status(thm)],[365,19]) ).

thf(385,plain,
    ! [B: $i,A: $i] : ( is_a_theorem @ ( necessary @ ( necessary @ ( necessary @ ( implies @ B @ ( implies @ A @ B ) ) ) ) ) ),
    inference(pattern_uni,[status(thm)],[384:[bind(A,$thf( H )),bind(B,$thf( I )),bind(C,$thf( necessary @ ( necessary @ ( implies @ I @ ( implies @ H @ I ) ) ) ))]]) ).

thf(389,plain,
    ! [B: $i,A: $i] : ( is_a_theorem @ ( necessary @ ( necessary @ ( necessary @ ( implies @ B @ ( implies @ A @ B ) ) ) ) ) ),
    inference(simp,[status(thm)],[385]) ).

thf(4,axiom,
    ! [C: $i,B: $i,A: $i] : ( is_a_theorem @ ( implies @ ( implies @ A @ ( implies @ B @ C ) ) @ ( implies @ ( implies @ A @ B ) @ ( implies @ A @ C ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',cn_35) ).

thf(14,plain,
    ! [C: $i,B: $i,A: $i] : ( is_a_theorem @ ( implies @ ( implies @ A @ ( implies @ B @ C ) ) @ ( implies @ ( implies @ A @ B ) @ ( implies @ A @ C ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[4]) ).

thf(100,plain,
    ! [B: $i,A: $i] :
      ( ( ( necessary @ B )
       != ( implies @ ( necessary @ a ) @ ( not @ ( necessary @ ( not @ a ) ) ) ) )
      | ( ( is_a_theorem @ ( implies @ ( necessary @ A ) @ A ) )
       != ( is_a_theorem @ B ) ) ),
    inference(paramod_ordered,[status(thm)],[17,88]) ).

thf(101,plain,
    ! [A: $i] :
      ( ( necessary @ ( implies @ ( necessary @ A ) @ A ) )
     != ( implies @ ( necessary @ a ) @ ( not @ ( necessary @ ( not @ a ) ) ) ) ),
    inference(pattern_uni,[status(thm)],[100:[bind(A,$thf( D )),bind(B,$thf( implies @ ( necessary @ D ) @ D ))]]) ).

thf(110,plain,
    ! [A: $i] :
      ( ( necessary @ ( implies @ ( necessary @ A ) @ A ) )
     != ( implies @ ( necessary @ a ) @ ( not @ ( necessary @ ( not @ a ) ) ) ) ),
    inference(simp,[status(thm)],[101]) ).

thf(266,plain,
    ! [B: $i,A: $i] :
      ( ( is_a_theorem @ ( necessary @ B ) )
      | ( ( is_a_theorem @ ( necessary @ ( necessary @ ( necessary @ ( necessary @ ( necessary @ ( implies @ ( necessary @ A ) @ A ) ) ) ) ) ) )
       != ( is_a_theorem @ B ) ) ),
    inference(paramod_ordered,[status(thm)],[224,19]) ).

thf(267,plain,
    ! [A: $i] : ( is_a_theorem @ ( necessary @ ( necessary @ ( necessary @ ( necessary @ ( necessary @ ( necessary @ ( implies @ ( necessary @ A ) @ A ) ) ) ) ) ) ) ),
    inference(pattern_uni,[status(thm)],[266:[bind(A,$thf( I )),bind(B,$thf( necessary @ ( necessary @ ( necessary @ ( necessary @ ( necessary @ ( implies @ ( necessary @ I ) @ I ) ) ) ) ) ))]]) ).

thf(275,plain,
    ! [A: $i] : ( is_a_theorem @ ( necessary @ ( necessary @ ( necessary @ ( necessary @ ( necessary @ ( necessary @ ( implies @ ( necessary @ A ) @ A ) ) ) ) ) ) ) ),
    inference(simp,[status(thm)],[267]) ).

thf(411,plain,
    ! [B: $i,A: $i] :
      ( ( is_a_theorem @ ( necessary @ B ) )
      | ( ( is_a_theorem @ ( necessary @ ( necessary @ ( necessary @ ( necessary @ ( necessary @ ( necessary @ ( implies @ ( necessary @ A ) @ A ) ) ) ) ) ) ) )
       != ( is_a_theorem @ B ) ) ),
    inference(paramod_ordered,[status(thm)],[275,19]) ).

thf(412,plain,
    ! [A: $i] : ( is_a_theorem @ ( necessary @ ( necessary @ ( necessary @ ( necessary @ ( necessary @ ( necessary @ ( necessary @ ( implies @ ( necessary @ A ) @ A ) ) ) ) ) ) ) ) ),
    inference(pattern_uni,[status(thm)],[411:[bind(A,$thf( J )),bind(B,$thf( necessary @ ( necessary @ ( necessary @ ( necessary @ ( necessary @ ( necessary @ ( implies @ ( necessary @ J ) @ J ) ) ) ) ) ) ))]]) ).

thf(421,plain,
    ! [A: $i] : ( is_a_theorem @ ( necessary @ ( necessary @ ( necessary @ ( necessary @ ( necessary @ ( necessary @ ( necessary @ ( implies @ ( necessary @ A ) @ A ) ) ) ) ) ) ) ) ),
    inference(simp,[status(thm)],[412]) ).

thf(153,plain,
    ! [B: $i,A: $i] :
      ( ( ( necessary @ B )
       != ( implies @ ( necessary @ a ) @ ( not @ ( necessary @ ( not @ a ) ) ) ) )
      | ( ( is_a_theorem @ ( necessary @ ( implies @ ( necessary @ A ) @ A ) ) )
       != ( is_a_theorem @ B ) ) ),
    inference(paramod_ordered,[status(thm)],[95,88]) ).

thf(154,plain,
    ! [A: $i] :
      ( ( necessary @ ( necessary @ ( implies @ ( necessary @ A ) @ A ) ) )
     != ( implies @ ( necessary @ a ) @ ( not @ ( necessary @ ( not @ a ) ) ) ) ),
    inference(pattern_uni,[status(thm)],[153:[bind(A,$thf( E )),bind(B,$thf( necessary @ ( implies @ ( necessary @ E ) @ E ) ))]]) ).

thf(169,plain,
    ! [A: $i] :
      ( ( necessary @ ( necessary @ ( implies @ ( necessary @ A ) @ A ) ) )
     != ( implies @ ( necessary @ a ) @ ( not @ ( necessary @ ( not @ a ) ) ) ) ),
    inference(simp,[status(thm)],[154]) ).

thf(45,plain,
    ! [B: $i,A: $i] :
      ( ( is_a_theorem @ B )
      | ~ ( is_a_theorem @ A )
      | ( ( implies @ A @ B )
       != A ) ),
    inference(simp,[status(thm)],[43]) ).

thf(171,plain,
    ! [B: $i,A: $i] :
      ( ( ( necessary @ B )
       != ( implies @ ( necessary @ a ) @ ( not @ ( necessary @ ( not @ a ) ) ) ) )
      | ( ( is_a_theorem @ ( necessary @ ( necessary @ ( implies @ ( necessary @ A ) @ A ) ) ) )
       != ( is_a_theorem @ B ) ) ),
    inference(paramod_ordered,[status(thm)],[168,88]) ).

thf(172,plain,
    ! [A: $i] :
      ( ( necessary @ ( necessary @ ( necessary @ ( implies @ ( necessary @ A ) @ A ) ) ) )
     != ( implies @ ( necessary @ a ) @ ( not @ ( necessary @ ( not @ a ) ) ) ) ),
    inference(pattern_uni,[status(thm)],[171:[bind(A,$thf( F )),bind(B,$thf( necessary @ ( necessary @ ( implies @ ( necessary @ F ) @ F ) ) ))]]) ).

thf(187,plain,
    ! [A: $i] :
      ( ( necessary @ ( necessary @ ( necessary @ ( implies @ ( necessary @ A ) @ A ) ) ) )
     != ( implies @ ( necessary @ a ) @ ( not @ ( necessary @ ( not @ a ) ) ) ) ),
    inference(simp,[status(thm)],[172]) ).

thf(26,plain,
    ( ( not @ ( necessary @ ( not @ a ) ) )
   != a ),
    inference(simp,[status(thm)],[25]) ).

thf(22,plain,
    ! [B: $i,A: $i] :
      ( ( is_a_theorem @ ( implies @ A @ ( implies @ B @ A ) ) )
     != ( is_a_theorem @ ( implies @ ( necessary @ a ) @ ( not @ ( necessary @ ( not @ a ) ) ) ) ) ),
    inference(paramod_ordered,[status(thm)],[13,10]) ).

thf(23,plain,
    ! [B: $i,A: $i] :
      ( ( implies @ A @ ( implies @ B @ A ) )
     != ( implies @ ( necessary @ a ) @ ( not @ ( necessary @ ( not @ a ) ) ) ) ),
    inference(simp,[status(thm)],[22]) ).

thf(29,plain,
    ! [B: $i,A: $i] :
      ( ( A
       != ( necessary @ a ) )
      | ( ( implies @ B @ A )
       != ( not @ ( necessary @ ( not @ a ) ) ) ) ),
    inference(simp,[status(thm)],[23]) ).

thf(30,plain,
    ! [A: $i] :
      ( ( implies @ A @ ( necessary @ a ) )
     != ( not @ ( necessary @ ( not @ a ) ) ) ),
    inference(simp,[status(thm)],[29]) ).

thf(555,plain,
    $false,
    inference(e,[status(thm)],[10,25,61,60,224,13,205,44,12,16,11,94,15,365,249,88,389,14,110,421,57,28,275,21,9,169,45,17,187,113,18,95,26,186,23,168,30,19]) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.12/0.13  % Problem  : LCL039-1 : TPTP v8.1.2. Released v1.0.0.
% 0.12/0.17  % Command  : run_Leo-III %s %d
% 0.17/0.38  % Computer : n015.cluster.edu
% 0.17/0.38  % Model    : x86_64 x86_64
% 0.17/0.38  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.17/0.38  % Memory   : 8042.1875MB
% 0.17/0.38  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.17/0.38  % CPULimit : 300
% 0.17/0.38  % WCLimit  : 300
% 0.17/0.38  % DateTime : Mon May  6 11:50:24 EDT 2024
% 0.17/0.38  % CPUTime  : 
% 0.97/0.87  % [INFO] 	 Parsing problem /export/starexec/sandbox2/benchmark/theBenchmark.p ... 
% 1.15/0.99  % [INFO] 	 Parsing done (113ms). 
% 1.15/1.00  % [INFO] 	 Running in sequential loop mode. 
% 1.66/1.22  % [INFO] 	 eprover registered as external prover. 
% 1.66/1.23  % [INFO] 	 cvc4 registered as external prover. 
% 1.66/1.23  % [INFO] 	 Scanning for conjecture ... 
% 1.74/1.29  % [INFO] 	 Found a conjecture and 7 axioms. Running axiom selection ... 
% 1.74/1.31  % [INFO] 	 Axiom selection finished. Selected 7 axioms (removed 0 axioms). 
% 1.74/1.32  % [INFO] 	 Problem is propositional (TPTP CNF). 
% 1.74/1.32  % [INFO] 	 Type checking passed. 
% 1.74/1.32  % [CONFIG] 	 Using configuration: timeout(300) with strategy<name(default),share(1.0),primSubst(3),sos(false),unifierCount(4),uniDepth(8),boolExt(true),choice(true),renaming(true),funcspec(false), domConstr(0),specialInstances(39),restrictUniAttempts(true),termOrdering(CPO)>.  Searching for refutation ... 
% 9.14/2.87  % External prover 'e' found a proof!
% 9.14/2.88  % [INFO] 	 Killing All external provers ... 
% 9.14/2.88  % Time passed: 2342ms (effective reasoning time: 1876ms)
% 9.14/2.88  % Solved by strategy<name(default),share(1.0),primSubst(3),sos(false),unifierCount(4),uniDepth(8),boolExt(true),choice(true),renaming(true),funcspec(false), domConstr(0),specialInstances(39),restrictUniAttempts(true),termOrdering(CPO)>
% 9.14/2.88  % Axioms used in derivation (7): condensed_detachment, cn_18, cn_35, necessitation2, necessitation1, cn_49, axiom_of_necessitation
% 9.14/2.88  % No. of inferences in proof: 85
% 9.14/2.88  % SZS status Theorem for /export/starexec/sandbox2/benchmark/theBenchmark.p : 2342 ms resp. 1876 ms w/o parsing
% 9.14/2.93  % SZS output start Refutation for /export/starexec/sandbox2/benchmark/theBenchmark.p
% See solution above
% 9.14/2.94  % [INFO] 	 Killing All external provers ... 
%------------------------------------------------------------------------------