TSTP Solution File: LCL109-10 by Leo-III---1.7.7

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%------------------------------------------------------------------------------
% File     : Leo-III---1.7.7
% Problem  : LCL109-10 : TPTP v8.1.2. Released v7.5.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : run_Leo-III %s %d

% Computer : n004.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 : Fri May 19 11:29:23 EDT 2023

% Result   : Unsatisfiable 3.57s 1.92s
% Output   : Refutation 3.88s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :    2
%            Number of leaves      :   22
% Syntax   : Number of formulae    :   39 (  33 unt;   6 typ;   0 def)
%            Number of atoms       :   33 (  32 equ;   0 cnn)
%            Maximal formula atoms :    1 (   1 avg)
%            Number of connectives :  198 (   2   ~;   0   |;   0   &; 196   @)
%                                         (   0 <=>;   0  =>;   0  <=;   0 <~>)
%            Maximal formula depth :    4 (   3 avg)
%            Number of types       :    1 (   0 usr)
%            Number of type conns  :    7 (   7   >;   0   *;   0   +;   0  <<)
%            Number of symbols     :    8 (   6 usr;   4 con; 0-4 aty)
%            Number of variables   :   60 (   0   ^;  60   !;   0   ?;  60   :)

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

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

thf(b_type,type,
    b: $i ).

thf(truth_type,type,
    truth: $i ).

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

thf(ifeq_type,type,
    ifeq: $i > $i > $i > $i > $i ).

thf(16,axiom,
    ! [B: $i,A: $i] :
      ( ( implies @ ( implies @ ( not @ A ) @ ( not @ B ) ) @ ( implies @ B @ A ) )
      = truth ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',wajsberg_4) ).

thf(48,plain,
    ! [B: $i,A: $i] :
      ( ( implies @ ( implies @ ( not @ A ) @ ( not @ B ) ) @ ( implies @ B @ A ) )
      = truth ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[16]) ).

thf(13,axiom,
    ! [A: $i] :
      ( ( implies @ A @ ( not @ truth ) )
      = ( not @ A ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',lemma_8) ).

thf(42,plain,
    ! [A: $i] :
      ( ( implies @ A @ ( not @ truth ) )
      = ( not @ A ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[13]) ).

thf(4,axiom,
    ! [C: $i,B: $i,A: $i] :
      ( ( implies @ ( implies @ A @ B ) @ ( implies @ ( implies @ B @ C ) @ ( implies @ A @ C ) ) )
      = truth ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',wajsberg_2) ).

thf(24,plain,
    ! [C: $i,B: $i,A: $i] :
      ( ( implies @ ( implies @ A @ B ) @ ( implies @ ( implies @ B @ C ) @ ( implies @ A @ C ) ) )
      = truth ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[4]) ).

thf(2,axiom,
    ! [A: $i] :
      ( ( not @ ( not @ A ) )
      = A ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',lemma_9) ).

thf(20,plain,
    ! [A: $i] :
      ( ( not @ ( not @ A ) )
      = A ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[2]) ).

thf(15,axiom,
    ! [B: $i,A: $i] :
      ( ( implies @ ( implies @ A @ B ) @ B )
      = ( implies @ ( implies @ B @ A ) @ A ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',wajsberg_3) ).

thf(46,plain,
    ! [B: $i,A: $i] :
      ( ( implies @ ( implies @ A @ B ) @ B )
      = ( implies @ ( implies @ B @ A ) @ A ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[15]) ).

thf(6,axiom,
    ! [C: $i,B: $i,A: $i] :
      ( ( implies @ A @ ( implies @ B @ C ) )
      = ( implies @ B @ ( implies @ A @ C ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',lemma_7) ).

thf(28,plain,
    ! [C: $i,B: $i,A: $i] :
      ( ( implies @ A @ ( implies @ B @ C ) )
      = ( implies @ B @ ( implies @ A @ C ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[6]) ).

thf(11,axiom,
    ! [B: $i,A: $i] :
      ( ( implies @ A @ ( implies @ B @ A ) )
      = truth ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',lemma_4) ).

thf(38,plain,
    ! [B: $i,A: $i] :
      ( ( implies @ A @ ( implies @ B @ A ) )
      = truth ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[11]) ).

thf(1,negated_conjecture,
    ( ( implies @ ( implies @ ( implies @ a @ b ) @ ( implies @ b @ a ) ) @ ( implies @ b @ a ) )
   != truth ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',prove_wajsberg_mv_4) ).

thf(17,plain,
    ( ( implies @ ( implies @ ( implies @ a @ b ) @ ( implies @ b @ a ) ) @ ( implies @ b @ a ) )
   != truth ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[1]) ).

thf(8,axiom,
    ! [A: $i] :
      ( ( implies @ A @ truth )
      = truth ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',lemma_3) ).

thf(32,plain,
    ! [A: $i] :
      ( ( implies @ A @ truth )
      = truth ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[8]) ).

thf(9,axiom,
    ! [C: $i,B: $i,A: $i] :
      ( ( ifeq @ ( implies @ A @ B ) @ ( implies @ B @ C ) @ ( implies @ A @ C ) @ truth )
      = truth ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',lemma_5) ).

thf(34,plain,
    ! [C: $i,B: $i,A: $i] :
      ( ( ifeq @ ( implies @ A @ B ) @ ( implies @ B @ C ) @ ( implies @ A @ C ) @ truth )
      = truth ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[9]) ).

thf(3,axiom,
    ! [C: $i,B: $i,A: $i] :
      ( ( ifeq @ A @ A @ B @ C )
      = B ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',ifeq_axiom) ).

thf(22,plain,
    ! [C: $i,B: $i,A: $i] :
      ( ( ifeq @ A @ A @ B @ C )
      = B ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[3]) ).

thf(14,axiom,
    ! [A: $i] :
      ( ( implies @ truth @ A )
      = A ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',wajsberg_1) ).

thf(44,plain,
    ! [A: $i] :
      ( ( implies @ truth @ A )
      = A ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[14]) ).

thf(12,axiom,
    ! [A: $i] :
      ( ( implies @ A @ A )
      = truth ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',lemma_1) ).

thf(40,plain,
    ! [A: $i] :
      ( ( implies @ A @ A )
      = truth ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[12]) ).

thf(5,axiom,
    ! [C: $i,B: $i,A: $i] :
      ( ( implies @ ( implies @ A @ B ) @ ( implies @ ( implies @ C @ A ) @ ( implies @ C @ B ) ) )
      = truth ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',lemma_6) ).

thf(26,plain,
    ! [C: $i,B: $i,A: $i] :
      ( ( implies @ ( implies @ A @ B ) @ ( implies @ ( implies @ C @ A ) @ ( implies @ C @ B ) ) )
      = truth ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[5]) ).

thf(10,axiom,
    ! [B: $i,A: $i] :
      ( ( implies @ ( not @ A ) @ ( not @ B ) )
      = ( implies @ B @ A ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',lemma_10) ).

thf(36,plain,
    ! [B: $i,A: $i] :
      ( ( implies @ ( not @ A ) @ ( not @ B ) )
      = ( implies @ B @ A ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[10]) ).

thf(7,axiom,
    ! [B: $i,A: $i] :
      ( ( ifeq @ ( implies @ A @ B ) @ ( implies @ B @ A ) @ A @ B )
      = B ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',lemma_2) ).

thf(30,plain,
    ! [B: $i,A: $i] :
      ( ( ifeq @ ( implies @ A @ B ) @ ( implies @ B @ A ) @ A @ B )
      = B ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[7]) ).

thf(118,plain,
    $false,
    inference(e,[status(thm)],[48,42,24,20,46,28,38,17,32,34,22,44,40,26,36,30]) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.07/0.12  % Problem  : LCL109-10 : TPTP v8.1.2. Released v7.5.0.
% 0.07/0.15  % Command  : run_Leo-III %s %d
% 0.14/0.36  % Computer : n004.cluster.edu
% 0.14/0.36  % Model    : x86_64 x86_64
% 0.14/0.36  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.14/0.36  % Memory   : 8042.1875MB
% 0.14/0.36  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.14/0.36  % CPULimit : 300
% 0.14/0.36  % WCLimit  : 300
% 0.14/0.36  % DateTime : Thu May 18 15:53:25 EDT 2023
% 0.14/0.36  % CPUTime  : 
% 0.93/0.90  % [INFO] 	 Parsing problem /export/starexec/sandbox2/benchmark/theBenchmark.p ... 
% 1.19/1.03  % [INFO] 	 Parsing done (125ms). 
% 1.19/1.03  % [INFO] 	 Running in sequential loop mode. 
% 1.70/1.23  % [INFO] 	 eprover registered as external prover. 
% 1.70/1.23  % [INFO] 	 cvc4 registered as external prover. 
% 1.70/1.24  % [INFO] 	 Scanning for conjecture ... 
% 1.80/1.28  % [INFO] 	 Found a conjecture and 15 axioms. Running axiom selection ... 
% 1.80/1.32  % [INFO] 	 Axiom selection finished. Selected 15 axioms (removed 0 axioms). 
% 1.80/1.33  % [INFO] 	 Problem is propositional (TPTP CNF). 
% 2.03/1.34  % [INFO] 	 Type checking passed. 
% 2.03/1.34  % [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 ... 
% 3.57/1.92  % External prover 'e' found a proof!
% 3.57/1.92  % [INFO] 	 Killing All external provers ... 
% 3.57/1.92  % Time passed: 1393ms (effective reasoning time: 884ms)
% 3.57/1.92  % 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)>
% 3.57/1.92  % Axioms used in derivation (15): wajsberg_3, wajsberg_4, lemma_1, lemma_6, wajsberg_2, lemma_8, lemma_3, lemma_7, lemma_10, lemma_4, ifeq_axiom, lemma_5, wajsberg_1, lemma_9, lemma_2
% 3.57/1.92  % No. of inferences in proof: 33
% 3.57/1.92  % SZS status Theorem for /export/starexec/sandbox2/benchmark/theBenchmark.p : 1393 ms resp. 884 ms w/o parsing
% 3.88/1.96  % SZS output start Refutation for /export/starexec/sandbox2/benchmark/theBenchmark.p
% See solution above
% 3.88/1.96  % [INFO] 	 Killing All external provers ... 
%------------------------------------------------------------------------------