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Leo-III---1.8.0.THM-Ref.s

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%------------------------------------------------------------------------------
% File     : Leo-III---1.8.0
% Problem  : SWX190+1 : TPTP v9.3.1. Released v9.3.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : java -Xss128m -Xmx2g -Xms1g -jar /export/starexec/sandbox2/solver/bin/leo3.jar /export/starexec/sandbox2/benchmark/theBenchmark.p -t 300 -p  --atp eprover=/export/starexec/sandbox2/solver/bin/externals/eprover --instantiate 39

% Computer : n019.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 : Sun Sep 27 09:15:14 AM UTC 2026

% Result   : Theorem 5.06s 2.94s
% Output   : Refutation 5.64s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :    3
%            Number of leaves      :   54
% Syntax   : Number of formulae    :  110 (  82 unt;   0 typ;   0 def)
%            Number of atoms       :  144 ( 143 equ;   0 cnn)
%            Maximal formula atoms :    3 (   1 avg)
%            Number of connectives :  700 (  51   ~;   0   |;   0   &; 615   @)
%                                         (   0 <=>;  34  =>;   0  <=;   0 <~>)
%            Maximal formula depth :    6 (   3 avg)
%            Number of types       :    1 (   0 usr)
%            Number of type conns  :    0 (   0   >;   0   *;   0   +;   0  <<)
%            Number of symbols     :   26 (  24 usr;   3 con; 0-2 aty)
%            Number of variables   :  191 (   0   ^; 188   !;   3   ?; 191   :)

% Comments : 
%------------------------------------------------------------------------------
thf(opt_decl,type,
    opt: $i > $i ).

thf(d_decl,type,
    d: $i > $i ).

thf(fail22_decl,type,
    fail22: $i > $i > $i ).

thf(n_decl,type,
    n: $i > $i ).

thf(z_decl,type,
    z: $i ).

thf(fail32_decl,type,
    fail32: $i > $i > $i ).

thf(mulNat_decl,type,
    mulNat: $i > $i > $i ).

thf(proj22_decl,type,
    proj22: $i > $i ).

thf(y_decl,type,
    y: $i > $i > $i ).

thf(x_decl,type,
    x: $i > $i > $i ).

thf(proj12_decl,type,
    proj12: $i > $i ).

thf(s_decl,type,
    s: $i > $i ).

thf(fail_decl,type,
    fail: $i > $i > $i ).

thf(fail1_decl,type,
    fail1: $i > $i > $i ).

thf(x2_decl,type,
    x2: $i ).

thf(proj1N_decl,type,
    proj1N: $i > $i ).

thf(fail4_decl,type,
    fail4: $i > $i > $i ).

thf(addNat_decl,type,
    addNat: $i > $i > $i ).

thf(fail3_decl,type,
    fail3: $i > $i > $i ).

thf(fail12_decl,type,
    fail12: $i > $i > $i ).

thf(proj2_decl,type,
    proj2: $i > $i ).

thf(fail2_decl,type,
    fail2: $i > $i > $i ).

thf(proj1_decl,type,
    proj1: $i > $i ).

thf(proj1S_decl,type,
    proj1S: $i > $i ).

thf(44,axiom,
    ! [A: $i,B: $i] :
      ( ( B @ ( A @ fail4 ) )
      = ( B @ opt @ ( A @ opt @ y ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',axiom_023) ).

thf(196,plain,
    ! [A: $i,B: $i] :
      ( ( B @ ( A @ fail4 ) )
      = ( B @ opt @ ( A @ opt @ y ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[44]) ).

thf(49,axiom,
    ! [A: $i] :
      ( ( A @ n @ d )
      = ( z @ n ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',axiom_039) ).

thf(211,plain,
    ! [A: $i] :
      ( ( A @ n @ d )
      = ( z @ n ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[49]) ).

thf(32,axiom,
    ! [A: $i,B: $i] :
      ( ( B
       != ( B @ proj1N @ n ) )
     => ( ( B @ ( A @ fail22 ) )
        = ( B @ ( A @ fail32 ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',axiom_028) ).

thf(156,plain,
    ! [A: $i,B: $i] :
      ( ( B
       != ( B @ proj1N @ n ) )
     => ( ( B @ ( A @ fail22 ) )
        = ( B @ ( A @ fail32 ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[32]) ).

thf(43,axiom,
    ! [A: $i,B: $i,C: $i] :
      ( ( A @ ( C @ ( B @ y ) @ fail32 ) )
      = ( A @ ( C @ y ) @ ( B @ y ) @ opt ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',axiom_027) ).

thf(193,plain,
    ! [A: $i,B: $i,C: $i] :
      ( ( A @ ( C @ ( B @ y ) @ fail32 ) )
      = ( A @ ( C @ y ) @ ( B @ y ) @ opt ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[43]) ).

thf(33,axiom,
    ! [A: $i,B: $i] :
      ( ( A
       != ( A @ proj1N @ n ) )
     => ( ( B @ ( A @ fail1 ) )
        = ( B @ ( A @ fail2 ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',axiom_017) ).

thf(159,plain,
    ! [A: $i,B: $i] :
      ( ( A
       != ( A @ proj1N @ n ) )
     => ( ( B @ ( A @ fail1 ) )
        = ( B @ ( A @ fail2 ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[33]) ).

thf(22,axiom,
    ! [A: $i,B: $i] :
      ( ( B @ s @ s @ n @ ( A @ fail22 ) )
      = ( B @ s @ s @ n @ ( A @ fail32 ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',axiom_029) ).

thf(123,plain,
    ! [A: $i,B: $i] :
      ( ( B @ s @ s @ n @ ( A @ fail22 ) )
      = ( B @ s @ s @ n @ ( A @ fail32 ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[22]) ).

thf(28,axiom,
    ! [A: $i,B: $i] :
      ( ( A @ ( B @ s @ mulNat ) )
      = ( A @ ( B @ mulNat ) @ ( A @ addNat ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',axiom_045) ).

thf(143,plain,
    ! [A: $i,B: $i] :
      ( ( A @ ( B @ s @ mulNat ) )
      = ( A @ ( B @ mulNat ) @ ( A @ addNat ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[28]) ).

thf(50,axiom,
    ! [A: $i,B: $i] :
      ( ( A
       != ( A @ proj1N @ n ) )
     => ( ( B @ ( A @ x ) @ opt )
        = ( B @ ( A @ fail ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',axiom_048) ).

thf(214,plain,
    ! [A: $i,B: $i] :
      ( ( A
       != ( A @ proj1N @ n ) )
     => ( ( B @ ( A @ x ) @ opt )
        = ( B @ ( A @ fail ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[50]) ).

thf(34,axiom,
    ! [A: $i,B: $i] :
      ( ( B
       != ( B @ proj1N @ n ) )
     => ( ( B @ ( A @ fail3 ) )
        = ( B @ ( A @ fail12 ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',axiom_036) ).

thf(163,plain,
    ! [A: $i,B: $i] :
      ( ( B
       != ( B @ proj1N @ n ) )
     => ( ( B @ ( A @ fail3 ) )
        = ( B @ ( A @ fail12 ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[34]) ).

thf(6,axiom,
    ! [A: $i,B: $i,C: $i] :
      ( ( A @ n )
     != ( C @ ( B @ x ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',axiom_008) ).

thf(69,plain,
    ! [A: $i,B: $i,C: $i] :
      ( ( A @ n )
     != ( C @ ( B @ x ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[6]) ).

thf(15,axiom,
    ! [A: $i] :
      ( ( z @ s @ n @ ( A @ fail22 ) )
      = A ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',axiom_030) ).

thf(101,plain,
    ! [A: $i] :
      ( ( z @ s @ n @ ( A @ fail22 ) )
      = A ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[15]) ).

thf(36,axiom,
    ! [A: $i] :
      ( ( A @ ( z @ s @ n @ fail12 ) )
      = A ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',axiom_034) ).

thf(170,plain,
    ! [A: $i] :
      ( ( A @ ( z @ s @ n @ fail12 ) )
      = A ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[36]) ).

thf(21,axiom,
    ! [A: $i] :
      ( ( A @ ( z @ n @ fail12 ) )
      = ( A @ ( z @ n @ fail22 ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',axiom_035) ).

thf(120,plain,
    ! [A: $i] :
      ( ( A @ ( z @ n @ fail12 ) )
      = ( A @ ( z @ n @ fail22 ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[21]) ).

thf(46,axiom,
    ! [A: $i,B: $i,C: $i] :
      ( ( ( C @ ( B @ x ) )
       != A )
     => ( ( A @ ( C @ ( B @ x ) @ fail2 ) )
        = ( A @ ( C @ x ) @ ( B @ x ) @ opt ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',axiom_016) ).

thf(202,plain,
    ! [A: $i,B: $i,C: $i] :
      ( ( ( C @ ( B @ x ) )
       != A )
     => ( ( A @ ( C @ ( B @ x ) @ fail2 ) )
        = ( A @ ( C @ x ) @ ( B @ x ) @ opt ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[46]) ).

thf(1,conjecture,
    ? [A: $i] :
      ( ( A @ d @ opt )
     != ( A @ opt @ d @ opt ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',goal_054) ).

thf(2,negated_conjecture,
    ~ ? [A: $i] :
        ( ( A @ d @ opt )
       != ( A @ opt @ d @ opt ) ),
    inference(neg_conjecture,[status(cth)],[1]) ).

thf(56,plain,
    ~ ? [A: $i] :
        ( ( A @ d @ opt )
       != ( A @ opt @ d @ opt ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[2]) ).

thf(31,axiom,
    ! [A: $i,B: $i] :
      ( ( A @ ( B @ s @ s @ n @ fail12 ) )
      = ( A @ ( B @ s @ s @ n @ fail22 ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',axiom_033) ).

thf(153,plain,
    ! [A: $i,B: $i] :
      ( ( A @ ( B @ s @ s @ n @ fail12 ) )
      = ( A @ ( B @ s @ s @ n @ fail22 ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[31]) ).

thf(52,axiom,
    ! [A: $i,B: $i] :
      ( ( B @ ( A @ x ) @ d )
      = ( B @ d @ ( A @ d @ x ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',axiom_040) ).

thf(221,plain,
    ! [A: $i,B: $i] :
      ( ( B @ ( A @ x ) @ d )
      = ( B @ d @ ( A @ d @ x ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[52]) ).

thf(25,axiom,
    ! [A: $i] :
      ( ( A @ ( z @ addNat ) )
      = A ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',axiom_044) ).

thf(133,plain,
    ! [A: $i] :
      ( ( A @ ( z @ addNat ) )
      = A ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[25]) ).

thf(3,axiom,
    ! [A: $i] :
      ( ( z @ n @ ( A @ fail22 ) )
      = ( z @ n @ ( A @ fail32 ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',axiom_031) ).

thf(60,plain,
    ! [A: $i] :
      ( ( z @ n @ ( A @ fail22 ) )
      = ( z @ n @ ( A @ fail32 ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[3]) ).

thf(20,axiom,
    ! [A: $i] :
      ( ( z @ n @ ( A @ fail3 ) )
      = ( z @ n ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',axiom_038) ).

thf(117,plain,
    ! [A: $i] :
      ( ( z @ n @ ( A @ fail3 ) )
      = ( z @ n ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[20]) ).

thf(55,axiom,
    ! [A: $i,B: $i] :
      ( ( A
       != ( A @ proj1N @ n ) )
     => ( ( B @ ( A @ y ) @ opt )
        = ( B @ ( A @ fail3 ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',axiom_051) ).

thf(229,plain,
    ! [A: $i,B: $i] :
      ( ( A
       != ( A @ proj1N @ n ) )
     => ( ( B @ ( A @ y ) @ opt )
        = ( B @ ( A @ fail3 ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[55]) ).

thf(53,axiom,
    ( ( x2 @ d )
    = ( z @ s @ n ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',axiom_042) ).

thf(224,plain,
    ( ( x2 @ d )
    = ( z @ s @ n ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[53]) ).

thf(37,axiom,
    ! [A: $i] :
      ( ( A @ n )
     != x2 ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',axiom_010) ).

thf(173,plain,
    ! [A: $i] :
      ( ( A @ n )
     != x2 ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[37]) ).

thf(24,axiom,
    ! [A: $i,B: $i] :
      ( ( A
       != ( A @ proj1N @ n ) )
     => ( ( A @ ( B @ n @ fail1 ) )
        = ( A @ ( B @ n @ fail2 ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',axiom_018) ).

thf(129,plain,
    ! [A: $i,B: $i] :
      ( ( A
       != ( A @ proj1N @ n ) )
     => ( ( A @ ( B @ n @ fail1 ) )
        = ( A @ ( B @ n @ fail2 ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[24]) ).

thf(7,axiom,
    ! [A: $i,B: $i] :
      ( ( B @ ( A @ y ) @ proj12 )
      = A ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',axiom_006) ).

thf(73,plain,
    ! [A: $i,B: $i] :
      ( ( B @ ( A @ y ) @ proj12 )
      = A ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[7]) ).

thf(47,axiom,
    ! [A: $i,B: $i] :
      ( ( A @ ( B @ s @ n @ y ) @ opt )
      = ( A @ ( B @ s @ n @ fail3 ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',axiom_052) ).

thf(205,plain,
    ! [A: $i,B: $i] :
      ( ( A @ ( B @ s @ n @ y ) @ opt )
      = ( A @ ( B @ s @ n @ fail3 ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[47]) ).

thf(35,axiom,
    ! [A: $i,B: $i] :
      ( ( B @ ( A @ y ) )
     != x2 ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',axiom_013) ).

thf(166,plain,
    ! [A: $i,B: $i] :
      ( ( B @ ( A @ y ) )
     != x2 ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[35]) ).

thf(39,axiom,
    ! [A: $i] :
      ( ( A @ ( z @ mulNat ) )
      = z ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',axiom_046) ).

thf(180,plain,
    ! [A: $i] :
      ( ( A @ ( z @ mulNat ) )
      = z ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[39]) ).

thf(8,axiom,
    ! [A: $i] :
      ( ( A @ s )
     != z ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',axiom_002) ).

thf(76,plain,
    ! [A: $i] :
      ( ( A @ s )
     != z ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[8]) ).

thf(14,axiom,
    ! [A: $i,B: $i] :
      ( ( B
       != ( B @ proj1N @ n ) )
     => ( ( B @ ( A @ fail ) )
        = ( B @ ( A @ fail1 ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',axiom_020) ).

thf(98,plain,
    ! [A: $i,B: $i] :
      ( ( B
       != ( B @ proj1N @ n ) )
     => ( ( B @ ( A @ fail ) )
        = ( B @ ( A @ fail1 ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[14]) ).

thf(48,axiom,
    ! [A: $i,B: $i] :
      ( ( A != B )
     => ( ( A
         != ( A @ proj2 @ ( A @ proj1 @ x ) ) )
       => ( ( B @ ( A @ fail2 ) )
          = ( B @ opt @ ( A @ opt @ x ) ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',axiom_015) ).

thf(208,plain,
    ! [A: $i,B: $i] :
      ( ( A != B )
     => ( ( A
         != ( A @ proj2 @ ( A @ proj1 @ x ) ) )
       => ( ( B @ ( A @ fail2 ) )
          = ( B @ opt @ ( A @ opt @ x ) ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[48]) ).

thf(27,axiom,
    ! [A: $i,B: $i] :
      ( ( B @ ( A @ x ) @ proj1 )
      = A ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',axiom_004) ).

thf(140,plain,
    ! [A: $i,B: $i] :
      ( ( B @ ( A @ x ) @ proj1 )
      = A ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[27]) ).

thf(12,axiom,
    ! [A: $i,B: $i] :
      ( ( A
       != ( A @ proj1N @ n ) )
     => ( ( A @ ( B @ n @ fail32 ) )
        = ( A @ ( B @ n @ fail4 ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',axiom_025) ).

thf(91,plain,
    ! [A: $i,B: $i] :
      ( ( A
       != ( A @ proj1N @ n ) )
     => ( ( A @ ( B @ n @ fail32 ) )
        = ( A @ ( B @ n @ fail4 ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[12]) ).

thf(5,axiom,
    ! [A: $i,B: $i] :
      ( ( B @ ( A @ y ) @ proj22 )
      = B ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',axiom_007) ).

thf(66,plain,
    ! [A: $i,B: $i] :
      ( ( B @ ( A @ y ) @ proj22 )
      = B ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[5]) ).

thf(17,axiom,
    ! [A: $i,B: $i] :
      ( ( B @ n @ ( A @ n @ fail1 ) )
      = ( B @ ( A @ addNat ) @ n ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',axiom_019) ).

thf(108,plain,
    ! [A: $i,B: $i] :
      ( ( B @ n @ ( A @ n @ fail1 ) )
      = ( B @ ( A @ addNat ) @ n ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[17]) ).

thf(54,axiom,
    ! [A: $i] :
      ( ( A @ ( z @ n @ x ) @ opt )
      = A ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',axiom_050) ).

thf(226,plain,
    ! [A: $i] :
      ( ( A @ ( z @ n @ x ) @ opt )
      = A ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[54]) ).

thf(9,axiom,
    ! [A: $i,B: $i] :
      ( ( B @ s @ n @ ( A @ fail ) )
      = ( B @ s @ n @ ( A @ fail1 ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',axiom_021) ).

thf(80,plain,
    ! [A: $i,B: $i] :
      ( ( B @ s @ n @ ( A @ fail ) )
      = ( B @ s @ n @ ( A @ fail1 ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[9]) ).

thf(4,axiom,
    ! [A: $i,B: $i] :
      ( ( B @ n @ ( A @ n @ fail32 ) )
      = ( B @ ( A @ mulNat ) @ n ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',axiom_026) ).

thf(63,plain,
    ! [A: $i,B: $i] :
      ( ( B @ n @ ( A @ n @ fail32 ) )
      = ( B @ ( A @ mulNat ) @ n ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[4]) ).

thf(30,axiom,
    ! [A: $i] :
      ( ( A @ s @ proj1S )
      = A ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',axiom_001) ).

thf(150,plain,
    ! [A: $i] :
      ( ( A @ s @ proj1S )
      = A ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[30]) ).

thf(13,axiom,
    ! [A: $i] :
      ( ( z @ n @ ( A @ fail ) )
      = A ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',axiom_022) ).

thf(95,plain,
    ! [A: $i] :
      ( ( z @ n @ ( A @ fail ) )
      = A ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[13]) ).

thf(45,axiom,
    ! [A: $i,B: $i] :
      ( ( B @ ( A @ y ) @ d )
      = ( B @ d @ ( A @ y ) @ ( B @ ( A @ d @ y ) @ x ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',axiom_041) ).

thf(199,plain,
    ! [A: $i,B: $i] :
      ( ( B @ ( A @ y ) @ d )
      = ( B @ d @ ( A @ y ) @ ( B @ ( A @ d @ y ) @ x ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[45]) ).

thf(38,axiom,
    ! [A: $i] :
      ( ( A @ n @ proj1N )
      = A ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',axiom_003) ).

thf(177,plain,
    ! [A: $i] :
      ( ( A @ n @ proj1N )
      = A ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[38]) ).

thf(11,axiom,
    ! [A: $i,B: $i,C: $i] :
      ( ( A @ n )
     != ( C @ ( B @ y ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',axiom_009) ).

thf(87,plain,
    ! [A: $i,B: $i,C: $i] :
      ( ( A @ n )
     != ( C @ ( B @ y ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[11]) ).

thf(51,axiom,
    ! [A: $i] :
      ( ( A @ ( z @ n @ y ) @ opt )
      = ( z @ n ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',axiom_053) ).

thf(218,plain,
    ! [A: $i] :
      ( ( A @ ( z @ n @ y ) @ opt )
      = ( z @ n ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[51]) ).

thf(16,axiom,
    ! [A: $i,B: $i,C: $i,D: $i] :
      ( ( B @ ( A @ x ) )
     != ( D @ ( C @ y ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',axiom_011) ).

thf(104,plain,
    ! [A: $i,B: $i,C: $i,D: $i] :
      ( ( B @ ( A @ x ) )
     != ( D @ ( C @ y ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[16]) ).

thf(41,axiom,
    ! [A: $i,B: $i] :
      ( ( A = B )
     => ( ( B @ ( A @ fail2 ) )
        = ( A @ opt @ ( z @ s @ s @ n @ y ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',axiom_014) ).

thf(186,plain,
    ! [A: $i,B: $i] :
      ( ( A = B )
     => ( ( B @ ( A @ fail2 ) )
        = ( A @ opt @ ( z @ s @ s @ n @ y ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[41]) ).

thf(19,axiom,
    ! [A: $i,B: $i] :
      ( ( B @ s @ n @ ( A @ fail3 ) )
      = ( B @ s @ n @ ( A @ fail12 ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',axiom_037) ).

thf(114,plain,
    ! [A: $i,B: $i] :
      ( ( B @ s @ n @ ( A @ fail3 ) )
      = ( B @ s @ n @ ( A @ fail12 ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[19]) ).

thf(29,axiom,
    ! [A: $i,B: $i] :
      ( ( A
       != ( A @ proj1N @ n ) )
     => ( ( A
         != ( A @ proj22 @ ( A @ proj12 @ y ) ) )
       => ( ( B @ ( A @ fail32 ) )
          = ( B @ ( A @ fail4 ) ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',axiom_024) ).

thf(146,plain,
    ! [A: $i,B: $i] :
      ( ( A
       != ( A @ proj1N @ n ) )
     => ( ( A
         != ( A @ proj22 @ ( A @ proj12 @ y ) ) )
       => ( ( B @ ( A @ fail32 ) )
          = ( B @ ( A @ fail4 ) ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[29]) ).

thf(42,axiom,
    ! [A: $i,B: $i] :
      ( ( A @ ( B @ s @ n @ x ) @ opt )
      = ( A @ ( B @ s @ n @ fail ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',axiom_049) ).

thf(190,plain,
    ! [A: $i,B: $i] :
      ( ( A @ ( B @ s @ n @ x ) @ opt )
      = ( A @ ( B @ s @ n @ fail ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[42]) ).

thf(40,axiom,
    ! [A: $i] :
      ( ( A
       != ( A @ proj2 @ ( A @ proj1 @ x ) ) )
     => ( ( A
         != ( A @ proj22 @ ( A @ proj12 @ y ) ) )
       => ( ( A @ opt )
          = A ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',axiom_047) ).

thf(183,plain,
    ! [A: $i] :
      ( ( A
       != ( A @ proj2 @ ( A @ proj1 @ x ) ) )
     => ( ( A
         != ( A @ proj22 @ ( A @ proj12 @ y ) ) )
       => ( ( A @ opt )
          = A ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[40]) ).

thf(23,axiom,
    ! [A: $i,B: $i] :
      ( ( B @ ( A @ x ) @ proj2 )
      = B ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',axiom_005) ).

thf(126,plain,
    ! [A: $i,B: $i] :
      ( ( B @ ( A @ x ) @ proj2 )
      = B ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[23]) ).

thf(26,axiom,
    ! [A: $i,B: $i] :
      ( ( A
       != ( A @ proj1N @ n ) )
     => ( ( B @ ( A @ fail12 ) )
        = ( B @ ( A @ fail22 ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',axiom_032) ).

thf(136,plain,
    ! [A: $i,B: $i] :
      ( ( A
       != ( A @ proj1N @ n ) )
     => ( ( B @ ( A @ fail12 ) )
        = ( B @ ( A @ fail22 ) ) ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[26]) ).

thf(18,axiom,
    ! [A: $i,B: $i] :
      ( ( A @ ( B @ s @ addNat ) )
      = ( A @ ( B @ addNat ) @ s ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',axiom_043) ).

thf(111,plain,
    ! [A: $i,B: $i] :
      ( ( A @ ( B @ s @ addNat ) )
      = ( A @ ( B @ addNat ) @ s ) ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[18]) ).

thf(10,axiom,
    ! [A: $i,B: $i] :
      ( ( B @ ( A @ x ) )
     != x2 ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',axiom_012) ).

thf(83,plain,
    ! [A: $i,B: $i] :
      ( ( B @ ( A @ x ) )
     != x2 ),
    inference(defexp_and_simp_and_etaexpand,[status(thm)],[10]) ).

thf(233,plain,
    $false,
    inference(e,[status(thm)],[196,211,156,193,159,123,143,214,163,69,101,170,120,202,56,153,221,133,60,117,229,224,173,129,73,205,166,180,76,98,208,140,91,66,108,226,80,63,150,95,199,177,87,218,104,186,114,146,190,183,126,136,111,83]) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.03  % Problem  : SWX190+1 : TPTP v9.3.1. Released v9.3.0.
% 0.00/0.08  % Command  : java -Xss128m -Xmx2g -Xms1g -jar /export/starexec/sandbox2/solver/bin/leo3.jar /export/starexec/sandbox2/benchmark/theBenchmark.p -t 300 -p  --atp eprover=/export/starexec/sandbox2/solver/bin/externals/eprover --instantiate 39
% 0.14/0.41  % Computer : n019.cluster.edu
% 0.14/0.41  % Model    : x86_64 x86_64
% 0.14/0.41  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.14/0.41  % Memory   : 8046.5625MB
% 0.14/0.41  % OS       : Linux 6.8.0-71-generic
% 0.14/0.41  % CPULimit : 300
% 0.14/0.41  % WCLimit  : 300
% 0.14/0.41  % DateTime : Sat Sep 26 16:54:05 UTC 2026
% 0.14/0.42  % CPUTime  : 
% 0.14/0.42  Running java -Xss128m -Xmx2g -Xms1g -jar /export/starexec/sandbox2/solver/bin/leo3.jar /export/starexec/sandbox2/benchmark/theBenchmark.p -t 300 -p  --atp eprover=/export/starexec/sandbox2/solver/bin/externals/eprover --instantiate 39
% 0.85/1.01  % [INFO] 	 Parsing problem /export/starexec/sandbox2/benchmark/theBenchmark.p ... 
% 1.35/1.23  % [INFO] 	 Parsing done (221ms). 
% 1.35/1.25  % [INFO] 	 Running in sequential loop mode. 
% 2.02/1.65  % [INFO] 	 eprover registered as external prover. 
% 2.02/1.66  % [INFO] 	 Scanning for conjecture ... 
% 2.22/1.78  % [INFO] 	 Found a conjecture (or negated_conjecture) and 53 axioms. Running axiom selection ... 
% 2.39/1.87  % [INFO] 	 Axiom selection finished. Selected 53 axioms (removed 0 axioms). 
% 2.60/1.96  % [INFO] 	 Problem is first-order (TPTP FOF). 
% 2.60/1.97  % [INFO] 	 Type checking passed. 
% 2.60/1.97  % [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 ... 
% 5.06/2.93  % External prover 'e' found a proof!
% 5.06/2.93  % [INFO] 	 Killing All external provers ... 
% 5.06/2.93  % Time passed: 2375ms (effective reasoning time: 1682ms)
% 5.06/2.93  % 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)>
% 5.06/2.94  % Axioms used in derivation (53): axiom_010, axiom_002, axiom_028, axiom_023, axiom_012, axiom_001, axiom_044, axiom_011, axiom_041, axiom_029, axiom_036, axiom_025, axiom_014, axiom_039, axiom_024, axiom_009, axiom_040, axiom_046, axiom_017, axiom_035, axiom_050, axiom_051, axiom_021, axiom_032, axiom_013, axiom_043, axiom_006, axiom_049, axiom_034, axiom_016, axiom_027, axiom_005, axiom_045, axiom_038, axiom_031, axiom_015, axiom_004, axiom_033, axiom_022, axiom_026, axiom_052, axiom_037, axiom_020, axiom_048, axiom_030, axiom_019, axiom_008, axiom_003, axiom_042, axiom_047, axiom_007, axiom_018, axiom_053
% 5.06/2.94  % No. of inferences in proof: 110
% 5.06/2.94  % SZS status Theorem for /export/starexec/sandbox2/benchmark/theBenchmark.p : 2375 ms resp. 1682 ms w/o parsing
% 5.64/3.05  % SZS output start Refutation for /export/starexec/sandbox2/benchmark/theBenchmark.p
% See solution above
% 5.64/3.05  % [INFO] 	 Killing All external provers ... 
%------------------------------------------------------------------------------