TSTP Solution File: LCL726^5 by LEO-II---1.7.0

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : LEO-II---1.7.0
% Problem  : LCL726^5 : TPTP v8.1.0. Released v4.0.0.
% Transfm  : none
% Format   : tptp
% Command  : leo --timeout %d --proofoutput 1 --foatp e --atp e=./eprover %s

% Computer : n011.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  : 600s
% DateTime : Sun Jul 17 12:26:17 EDT 2022

% Result   : Theorem 0.11s 0.32s
% Output   : CNFRefutation 0.11s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   21
%            Number of leaves      :    7
% Syntax   : Number of formulae    :   66 (  25 unt;   6 typ;   0 def)
%            Number of atoms       :  314 ( 108 equ;   0 cnn)
%            Maximal formula atoms :    3 (   5 avg)
%            Number of connectives :  553 (  90   ~;  76   |;   4   &; 363   @)
%                                         (   0 <=>;  20  =>;   0  <=;   0 <~>)
%            Maximal formula depth :    9 (   3 avg)
%            Number of types       :    2 (   1 usr)
%            Number of type conns  :  231 ( 231   >;   0   *;   0   +;   0  <<)
%            Number of symbols     :    8 (   5 usr;   2 con; 0-2 aty)
%            Number of variables   :  176 (  26   ^ 132   !;  18   ?; 176   :)

% Comments : 
%------------------------------------------------------------------------------
thf(tp_a,type,
    a: $tType ).

thf(tp_sK1_Xg,type,
    sK1_Xg: ( ( a > $o ) > a ) > a > $o ).

thf(tp_sK2_SY10,type,
    sK2_SY10: ( ( a > $o ) > a ) > a ).

thf(tp_sK3_Xf,type,
    sK3_Xf: ( ( a > $o ) > $o ) > ( a > $o ) > a ).

thf(tp_sK4_X,type,
    sK4_X: ( ( a > $o ) > $o ) > a > $o ).

thf(tp_sK5_Eigen,type,
    sK5_Eigen: ( a > $o ) > a ).

thf(1,conjecture,
    ( ! [Xs: ( a > $o ) > $o] :
        ( ! [X: a > $o] :
            ( ( Xs @ X )
           => ? [Xt: a] : ( X @ Xt ) )
       => ? [Xf: ( a > $o ) > a] :
          ! [X: a > $o] :
            ( ( Xs @ X )
           => ( X @ ( Xf @ X ) ) ) )
   => ! [Xg: ( ( a > $o ) > a ) > a > $o] :
        ( ! [Xh: ( a > $o ) > a] :
          ? [Xu: a] : ( Xg @ Xh @ Xu )
       => ? [Xf: ( a > $o ) > a] : ( Xg @ Xf @ ( Xf @ ( Xg @ Xf ) ) ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',cTHM534) ).

thf(2,negated_conjecture,
    ( ( ! [Xs: ( a > $o ) > $o] :
          ( ! [X: a > $o] :
              ( ( Xs @ X )
             => ? [Xt: a] : ( X @ Xt ) )
         => ? [Xf: ( a > $o ) > a] :
            ! [X: a > $o] :
              ( ( Xs @ X )
             => ( X @ ( Xf @ X ) ) ) )
     => ! [Xg: ( ( a > $o ) > a ) > a > $o] :
          ( ! [Xh: ( a > $o ) > a] :
            ? [Xu: a] : ( Xg @ Xh @ Xu )
         => ? [Xf: ( a > $o ) > a] : ( Xg @ Xf @ ( Xf @ ( Xg @ Xf ) ) ) ) )
    = $false ),
    inference(negate_conjecture,[status(cth)],[1]) ).

thf(3,plain,
    ( ( ! [Xs: ( a > $o ) > $o] :
          ( ! [X: a > $o] :
              ( ( Xs @ X )
             => ? [Xt: a] : ( X @ Xt ) )
         => ? [Xf: ( a > $o ) > a] :
            ! [X: a > $o] :
              ( ( Xs @ X )
             => ( X @ ( Xf @ X ) ) ) )
     => ! [Xg: ( ( a > $o ) > a ) > a > $o] :
          ( ! [Xh: ( a > $o ) > a] :
            ? [Xu: a] : ( Xg @ Xh @ Xu )
         => ? [Xf: ( a > $o ) > a] : ( Xg @ Xf @ ( Xf @ ( Xg @ Xf ) ) ) ) )
    = $false ),
    inference(unfold_def,[status(thm)],[2]) ).

thf(4,plain,
    ( ( ! [Xs: ( a > $o ) > $o] :
          ( ! [X: a > $o] :
              ( ( Xs @ X )
             => ? [Xt: a] : ( X @ Xt ) )
         => ? [Xf: ( a > $o ) > a] :
            ! [X: a > $o] :
              ( ( Xs @ X )
             => ( X @ ( Xf @ X ) ) ) ) )
    = $true ),
    inference(standard_cnf,[status(thm)],[3]) ).

thf(5,plain,
    ( ( ! [Xg: ( ( a > $o ) > a ) > a > $o] :
          ( ! [Xh: ( a > $o ) > a] :
            ? [Xu: a] : ( Xg @ Xh @ Xu )
         => ? [Xf: ( a > $o ) > a] : ( Xg @ Xf @ ( Xf @ ( Xg @ Xf ) ) ) ) )
    = $false ),
    inference(standard_cnf,[status(thm)],[3]) ).

thf(6,plain,
    ( ( ~ ! [Xg: ( ( a > $o ) > a ) > a > $o] :
            ( ! [Xh: ( a > $o ) > a] :
              ? [Xu: a] : ( Xg @ Xh @ Xu )
           => ? [Xf: ( a > $o ) > a] : ( Xg @ Xf @ ( Xf @ ( Xg @ Xf ) ) ) ) )
    = $true ),
    inference(polarity_switch,[status(thm)],[5]) ).

thf(7,plain,
    ( ( ! [SY9: ( a > $o ) > a] : ( sK1_Xg @ SY9 @ ( sK2_SY10 @ SY9 ) )
      & ! [SY11: ( a > $o ) > a] :
          ~ ( sK1_Xg @ SY11 @ ( SY11 @ ( sK1_Xg @ SY11 ) ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[6]) ).

thf(8,plain,
    ( ( ! [Xs: ( a > $o ) > $o] :
          ( ( ( Xs @ ( sK4_X @ Xs ) )
            & ! [SY13: a] :
                ~ ( sK4_X @ Xs @ SY13 ) )
          | ! [SY12: a > $o] :
              ( ~ ( Xs @ SY12 )
              | ( SY12 @ ( sK3_Xf @ Xs @ SY12 ) ) ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[4]) ).

thf(9,plain,
    ( ( ! [Xs: ( a > $o ) > $o] :
          ( ( ( Xs @ ( sK4_X @ Xs ) )
            & ! [SY13: a] :
                ~ ( sK4_X @ Xs @ SY13 ) )
          | ! [SY12: a > $o] :
              ( ~ ( Xs @ SY12 )
              | ( SY12 @ ( sK3_Xf @ Xs @ SY12 ) ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[8]) ).

thf(10,plain,
    ( ( ! [SY9: ( a > $o ) > a] : ( sK1_Xg @ SY9 @ ( sK2_SY10 @ SY9 ) )
      & ! [SY11: ( a > $o ) > a] :
          ~ ( sK1_Xg @ SY11 @ ( SY11 @ ( sK1_Xg @ SY11 ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[7]) ).

thf(11,plain,
    ( ( ! [SX0: ( a > $o ) > $o] :
          ( ~ ( ~ ( SX0 @ ( sK4_X @ SX0 ) )
              | ~ ! [SX1: a] :
                    ~ ( sK4_X @ SX0 @ SX1 ) )
          | ! [SX1: a > $o] :
              ( ~ ( SX0 @ SX1 )
              | ( SX1 @ ( sK3_Xf @ SX0 @ SX1 ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[9]) ).

thf(12,plain,
    ( ( ~ ( ~ ! [SX0: ( a > $o ) > a] : ( sK1_Xg @ SX0 @ ( sK2_SY10 @ SX0 ) )
          | ~ ! [SX0: ( a > $o ) > a] :
                ~ ( sK1_Xg @ SX0 @ ( SX0 @ ( sK1_Xg @ SX0 ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[10]) ).

thf(13,plain,
    ! [SV1: ( a > $o ) > $o] :
      ( ( ~ ( ~ ( SV1 @ ( sK4_X @ SV1 ) )
            | ~ ! [SY14: a] :
                  ~ ( sK4_X @ SV1 @ SY14 ) )
        | ! [SY15: a > $o] :
            ( ~ ( SV1 @ SY15 )
            | ( SY15 @ ( sK3_Xf @ SV1 @ SY15 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[11]) ).

thf(14,plain,
    ( ( ~ ! [SX0: ( a > $o ) > a] : ( sK1_Xg @ SX0 @ ( sK2_SY10 @ SX0 ) )
      | ~ ! [SX0: ( a > $o ) > a] :
            ~ ( sK1_Xg @ SX0 @ ( SX0 @ ( sK1_Xg @ SX0 ) ) ) )
    = $false ),
    inference(extcnf_not_pos,[status(thm)],[12]) ).

thf(15,plain,
    ! [SV1: ( a > $o ) > $o] :
      ( ( ( ~ ( ~ ( SV1 @ ( sK4_X @ SV1 ) )
              | ~ ! [SY14: a] :
                    ~ ( sK4_X @ SV1 @ SY14 ) ) )
        = $true )
      | ( ( ! [SY15: a > $o] :
              ( ~ ( SV1 @ SY15 )
              | ( SY15 @ ( sK3_Xf @ SV1 @ SY15 ) ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[13]) ).

thf(16,plain,
    ( ( ~ ! [SX0: ( a > $o ) > a] : ( sK1_Xg @ SX0 @ ( sK2_SY10 @ SX0 ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[14]) ).

thf(17,plain,
    ( ( ~ ! [SX0: ( a > $o ) > a] :
            ~ ( sK1_Xg @ SX0 @ ( SX0 @ ( sK1_Xg @ SX0 ) ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[14]) ).

thf(18,plain,
    ! [SV1: ( a > $o ) > $o] :
      ( ( ( ~ ( SV1 @ ( sK4_X @ SV1 ) )
          | ~ ! [SY14: a] :
                ~ ( sK4_X @ SV1 @ SY14 ) )
        = $false )
      | ( ( ! [SY15: a > $o] :
              ( ~ ( SV1 @ SY15 )
              | ( SY15 @ ( sK3_Xf @ SV1 @ SY15 ) ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[15]) ).

thf(19,plain,
    ( ( ! [SX0: ( a > $o ) > a] : ( sK1_Xg @ SX0 @ ( sK2_SY10 @ SX0 ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[16]) ).

thf(20,plain,
    ( ( ! [SX0: ( a > $o ) > a] :
          ~ ( sK1_Xg @ SX0 @ ( SX0 @ ( sK1_Xg @ SX0 ) ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[17]) ).

thf(21,plain,
    ! [SV1: ( a > $o ) > $o] :
      ( ( ( ~ ( SV1 @ ( sK4_X @ SV1 ) ) )
        = $false )
      | ( ( ! [SY15: a > $o] :
              ( ~ ( SV1 @ SY15 )
              | ( SY15 @ ( sK3_Xf @ SV1 @ SY15 ) ) ) )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[18]) ).

thf(22,plain,
    ! [SV1: ( a > $o ) > $o] :
      ( ( ( ~ ! [SY14: a] :
                ~ ( sK4_X @ SV1 @ SY14 ) )
        = $false )
      | ( ( ! [SY15: a > $o] :
              ( ~ ( SV1 @ SY15 )
              | ( SY15 @ ( sK3_Xf @ SV1 @ SY15 ) ) ) )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[18]) ).

thf(23,plain,
    ! [SV2: ( a > $o ) > a] :
      ( ( sK1_Xg @ SV2 @ ( sK2_SY10 @ SV2 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[19]) ).

thf(24,plain,
    ! [SV3: ( a > $o ) > a] :
      ( ( ~ ( sK1_Xg @ SV3 @ ( SV3 @ ( sK1_Xg @ SV3 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[20]) ).

thf(25,plain,
    ! [SV1: ( a > $o ) > $o] :
      ( ( ( SV1 @ ( sK4_X @ SV1 ) )
        = $true )
      | ( ( ! [SY15: a > $o] :
              ( ~ ( SV1 @ SY15 )
              | ( SY15 @ ( sK3_Xf @ SV1 @ SY15 ) ) ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[21]) ).

thf(26,plain,
    ! [SV1: ( a > $o ) > $o] :
      ( ( ( ! [SY14: a] :
              ~ ( sK4_X @ SV1 @ SY14 ) )
        = $true )
      | ( ( ! [SY15: a > $o] :
              ( ~ ( SV1 @ SY15 )
              | ( SY15 @ ( sK3_Xf @ SV1 @ SY15 ) ) ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[22]) ).

thf(27,plain,
    ! [SV3: ( a > $o ) > a] :
      ( ( sK1_Xg @ SV3 @ ( SV3 @ ( sK1_Xg @ SV3 ) ) )
      = $false ),
    inference(extcnf_not_pos,[status(thm)],[24]) ).

thf(28,plain,
    ! [SV4: a > $o,SV1: ( a > $o ) > $o] :
      ( ( ( ~ ( SV1 @ SV4 )
          | ( SV4 @ ( sK3_Xf @ SV1 @ SV4 ) ) )
        = $true )
      | ( ( SV1 @ ( sK4_X @ SV1 ) )
        = $true ) ),
    inference(extcnf_forall_pos,[status(thm)],[25]) ).

thf(29,plain,
    ! [SV5: a,SV1: ( a > $o ) > $o] :
      ( ( ( ~ ( sK4_X @ SV1 @ SV5 ) )
        = $true )
      | ( ( ! [SY15: a > $o] :
              ( ~ ( SV1 @ SY15 )
              | ( SY15 @ ( sK3_Xf @ SV1 @ SY15 ) ) ) )
        = $true ) ),
    inference(extcnf_forall_pos,[status(thm)],[26]) ).

thf(30,plain,
    ! [SV4: a > $o,SV1: ( a > $o ) > $o] :
      ( ( ( ~ ( SV1 @ SV4 ) )
        = $true )
      | ( ( SV4 @ ( sK3_Xf @ SV1 @ SV4 ) )
        = $true )
      | ( ( SV1 @ ( sK4_X @ SV1 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[28]) ).

thf(31,plain,
    ! [SV5: a,SV1: ( a > $o ) > $o] :
      ( ( ( sK4_X @ SV1 @ SV5 )
        = $false )
      | ( ( ! [SY15: a > $o] :
              ( ~ ( SV1 @ SY15 )
              | ( SY15 @ ( sK3_Xf @ SV1 @ SY15 ) ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[29]) ).

thf(32,plain,
    ! [SV4: a > $o,SV1: ( a > $o ) > $o] :
      ( ( ( SV1 @ SV4 )
        = $false )
      | ( ( SV4 @ ( sK3_Xf @ SV1 @ SV4 ) )
        = $true )
      | ( ( SV1 @ ( sK4_X @ SV1 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[30]) ).

thf(33,plain,
    ! [SV5: a,SV6: a > $o,SV1: ( a > $o ) > $o] :
      ( ( ( ~ ( SV1 @ SV6 )
          | ( SV6 @ ( sK3_Xf @ SV1 @ SV6 ) ) )
        = $true )
      | ( ( sK4_X @ SV1 @ SV5 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[31]) ).

thf(34,plain,
    ! [SV5: a,SV6: a > $o,SV1: ( a > $o ) > $o] :
      ( ( ( ~ ( SV1 @ SV6 ) )
        = $true )
      | ( ( SV6 @ ( sK3_Xf @ SV1 @ SV6 ) )
        = $true )
      | ( ( sK4_X @ SV1 @ SV5 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[33]) ).

thf(35,plain,
    ! [SV5: a,SV6: a > $o,SV1: ( a > $o ) > $o] :
      ( ( ( SV1 @ SV6 )
        = $false )
      | ( ( SV6 @ ( sK3_Xf @ SV1 @ SV6 ) )
        = $true )
      | ( ( sK4_X @ SV1 @ SV5 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[34]) ).

thf(36,plain,
    ( ( sK1_Xg @ sK5_Eigen @ ( sK5_Eigen @ ( sK1_Xg @ sK5_Eigen ) ) )
    = $false ),
    inference(instantiate,[status(thm)],[27:[bind(SV3,$thf( sK5_Eigen ))]]) ).

thf(37,plain,
    ! [SV3: ( a > $o ) > a] :
      ( ( ~ ~ ! [SV7: a] :
                ~ ( sK1_Xg @ SV3 @ SV7 )
        | ( sK1_Xg @ SV3 @ ( sK5_Eigen @ ( sK1_Xg @ SV3 ) ) ) )
      = $true ),
    inference(choice,[status(thm)],[27]) ).

thf(38,plain,
    ! [SV8: ( a > $o ) > a] :
      ( ( ~ ~ ! [SX0: a] :
                ~ ( sK1_Xg @ SV8 @ SX0 )
        | ( sK1_Xg @ SV8 @ ( sK5_Eigen @ ( sK1_Xg @ SV8 ) ) ) )
      = $true ),
    inference(rename,[status(thm)],[37]) ).

thf(39,plain,
    ! [SV8: ( a > $o ) > a] :
      ( ( ( ~ ~ ! [SX0: a] :
                  ~ ( sK1_Xg @ SV8 @ SX0 ) )
        = $true )
      | ( ( sK1_Xg @ SV8 @ ( sK5_Eigen @ ( sK1_Xg @ SV8 ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[38]) ).

thf(40,plain,
    ! [SV8: ( a > $o ) > a] :
      ( ( ( ~ ! [SX0: a] :
                ~ ( sK1_Xg @ SV8 @ SX0 ) )
        = $false )
      | ( ( sK1_Xg @ SV8 @ ( sK5_Eigen @ ( sK1_Xg @ SV8 ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[39]) ).

thf(41,plain,
    ! [SV8: ( a > $o ) > a] :
      ( ( ( ! [SX0: a] :
              ~ ( sK1_Xg @ SV8 @ SX0 ) )
        = $true )
      | ( ( sK1_Xg @ SV8 @ ( sK5_Eigen @ ( sK1_Xg @ SV8 ) ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[40]) ).

thf(42,plain,
    ! [SV9: a,SV8: ( a > $o ) > a] :
      ( ( ( ~ ( sK1_Xg @ SV8 @ SV9 ) )
        = $true )
      | ( ( sK1_Xg @ SV8 @ ( sK5_Eigen @ ( sK1_Xg @ SV8 ) ) )
        = $true ) ),
    inference(extcnf_forall_pos,[status(thm)],[41]) ).

thf(43,plain,
    ! [SV9: a,SV8: ( a > $o ) > a] :
      ( ( ( sK1_Xg @ SV8 @ SV9 )
        = $false )
      | ( ( sK1_Xg @ SV8 @ ( sK5_Eigen @ ( sK1_Xg @ SV8 ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[42]) ).

thf(45,plain,
    ! [SV1: ( a > $o ) > $o] :
      ( ( ( SV1
          @ ^ [SX0: a] : $false )
        = $false )
      | ( $false = $true )
      | ( ( SV1 @ ( sK4_X @ SV1 ) )
        = $true ) ),
    inference(prim_subst,[status(thm)],[32:[bind(SV4,$thf( ^ [SV16: a] : $false ))]]) ).

thf(46,plain,
    ! [SV15: a > $o,SV1: ( a > $o ) > $o] :
      ( ( ( SV1
          @ ^ [SX0: a] :
              ~ ( SV15 @ SX0 ) )
        = $false )
      | ( ( ~ ( SV15
              @ ( sK3_Xf @ SV1
                @ ^ [SX0: a] :
                    ~ ( SV15 @ SX0 ) ) ) )
        = $true )
      | ( ( SV1 @ ( sK4_X @ SV1 ) )
        = $true ) ),
    inference(prim_subst,[status(thm)],[32:[bind(SV4,$thf( ^ [SV14: a] : ~ ( SV15 @ SV14 ) ))]]) ).

thf(49,plain,
    ! [SV4: a > $o,SV19: ( a > $o ) > $o] :
      ( ( ( ~ ( SV19 @ SV4 ) )
        = $false )
      | ( ( SV4
          @ ( sK3_Xf
            @ ^ [SX0: a > $o] :
                ~ ( SV19 @ SX0 )
            @ SV4 ) )
        = $true )
      | ( ( ~ ( SV19
              @ ( sK4_X
                @ ^ [SX0: a > $o] :
                    ~ ( SV19 @ SX0 ) ) ) )
        = $true ) ),
    inference(prim_subst,[status(thm)],[32:[bind(SV1,$thf( ^ [SV18: a > $o] : ~ ( SV19 @ SV18 ) ))]]) ).

thf(51,plain,
    ! [SV5: a,SV1: ( a > $o ) > $o] :
      ( ( ( SV1
          @ ^ [SX0: a] : $false )
        = $false )
      | ( $false = $true )
      | ( ( sK4_X @ SV1 @ SV5 )
        = $false ) ),
    inference(prim_subst,[status(thm)],[35:[bind(SV6,$thf( ^ [SV12: a] : $false ))]]) ).

thf(52,plain,
    ! [SV5: a,SV11: a > $o,SV1: ( a > $o ) > $o] :
      ( ( ( SV1
          @ ^ [SX0: a] :
              ~ ( SV11 @ SX0 ) )
        = $false )
      | ( ( ~ ( SV11
              @ ( sK3_Xf @ SV1
                @ ^ [SX0: a] :
                    ~ ( SV11 @ SX0 ) ) ) )
        = $true )
      | ( ( sK4_X @ SV1 @ SV5 )
        = $false ) ),
    inference(prim_subst,[status(thm)],[35:[bind(SV6,$thf( ^ [SV10: a] : ~ ( SV11 @ SV10 ) ))]]) ).

thf(53,plain,
    ! [SV5: a,SV6: a > $o] :
      ( ( $true = $false )
      | ( ( SV6
          @ ( sK3_Xf
            @ ^ [SX0: a > $o] : $true
            @ SV6 ) )
        = $true )
      | ( ( sK4_X
          @ ^ [SX0: a > $o] : $true
          @ SV5 )
        = $false ) ),
    inference(prim_subst,[status(thm)],[35:[bind(SV1,$thf( ^ [SV21: a > $o] : $true ))]]) ).

thf(55,plain,
    ! [SV5: a,SV6: a > $o,SV19: ( a > $o ) > $o] :
      ( ( ( ~ ( SV19 @ SV6 ) )
        = $false )
      | ( ( SV6
          @ ( sK3_Xf
            @ ^ [SX0: a > $o] :
                ~ ( SV19 @ SX0 )
            @ SV6 ) )
        = $true )
      | ( ( sK4_X
          @ ^ [SX0: a > $o] :
              ~ ( SV19 @ SX0 )
          @ SV5 )
        = $false ) ),
    inference(prim_subst,[status(thm)],[35:[bind(SV1,$thf( ^ [SV18: a > $o] : ~ ( SV19 @ SV18 ) ))]]) ).

thf(56,plain,
    ! [SV1: ( a > $o ) > $o,SV15: a > $o] :
      ( ( ( SV15
          @ ( sK3_Xf @ SV1
            @ ^ [SX0: a] :
                ~ ( SV15 @ SX0 ) ) )
        = $false )
      | ( ( SV1
          @ ^ [SX0: a] :
              ~ ( SV15 @ SX0 ) )
        = $false )
      | ( ( SV1 @ ( sK4_X @ SV1 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[46]) ).

thf(57,plain,
    ! [SV4: a > $o,SV19: ( a > $o ) > $o] :
      ( ( ( SV19 @ SV4 )
        = $true )
      | ( ( SV4
          @ ( sK3_Xf
            @ ^ [SX0: a > $o] :
                ~ ( SV19 @ SX0 )
            @ SV4 ) )
        = $true )
      | ( ( ~ ( SV19
              @ ( sK4_X
                @ ^ [SX0: a > $o] :
                    ~ ( SV19 @ SX0 ) ) ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[49]) ).

thf(58,plain,
    ! [SV5: a,SV1: ( a > $o ) > $o,SV11: a > $o] :
      ( ( ( SV11
          @ ( sK3_Xf @ SV1
            @ ^ [SX0: a] :
                ~ ( SV11 @ SX0 ) ) )
        = $false )
      | ( ( SV1
          @ ^ [SX0: a] :
              ~ ( SV11 @ SX0 ) )
        = $false )
      | ( ( sK4_X @ SV1 @ SV5 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[52]) ).

thf(59,plain,
    ! [SV5: a,SV6: a > $o,SV19: ( a > $o ) > $o] :
      ( ( ( SV19 @ SV6 )
        = $true )
      | ( ( SV6
          @ ( sK3_Xf
            @ ^ [SX0: a > $o] :
                ~ ( SV19 @ SX0 )
            @ SV6 ) )
        = $true )
      | ( ( sK4_X
          @ ^ [SX0: a > $o] :
              ~ ( SV19 @ SX0 )
          @ SV5 )
        = $false ) ),
    inference(extcnf_not_neg,[status(thm)],[55]) ).

thf(60,plain,
    ! [SV4: a > $o,SV19: ( a > $o ) > $o] :
      ( ( ( SV19
          @ ( sK4_X
            @ ^ [SX0: a > $o] :
                ~ ( SV19 @ SX0 ) ) )
        = $false )
      | ( ( SV4
          @ ( sK3_Xf
            @ ^ [SX0: a > $o] :
                ~ ( SV19 @ SX0 )
            @ SV4 ) )
        = $true )
      | ( ( SV19 @ SV4 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[57]) ).

thf(61,plain,
    ! [SV1: ( a > $o ) > $o] :
      ( ( ( SV1
          @ ^ [SX0: a] : $false )
        = $false )
      | ( ( SV1 @ ( sK4_X @ SV1 ) )
        = $true ) ),
    inference(sim,[status(thm)],[45]) ).

thf(62,plain,
    ! [SV5: a,SV1: ( a > $o ) > $o] :
      ( ( ( SV1
          @ ^ [SX0: a] : $false )
        = $false )
      | ( ( sK4_X @ SV1 @ SV5 )
        = $false ) ),
    inference(sim,[status(thm)],[51]) ).

thf(63,plain,
    ! [SV5: a,SV6: a > $o] :
      ( ( ( SV6
          @ ( sK3_Xf
            @ ^ [SX0: a > $o] : $true
            @ SV6 ) )
        = $true )
      | ( ( sK4_X
          @ ^ [SX0: a > $o] : $true
          @ SV5 )
        = $false ) ),
    inference(sim,[status(thm)],[53]) ).

thf(64,plain,
    $false = $true,
    inference(fo_atp_e,[status(thm)],[23,63,62,61,60,59,58,56,43,36,35,32,27]) ).

thf(65,plain,
    $false,
    inference(solved_all_splits,[solved_all_splits(join,[])],[64]) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.04/0.07  % Problem  : LCL726^5 : TPTP v8.1.0. Released v4.0.0.
% 0.04/0.07  % Command  : leo --timeout %d --proofoutput 1 --foatp e --atp e=./eprover %s
% 0.07/0.26  % Computer : n011.cluster.edu
% 0.07/0.26  % Model    : x86_64 x86_64
% 0.07/0.26  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.07/0.26  % Memory   : 8042.1875MB
% 0.07/0.26  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.07/0.26  % CPULimit : 300
% 0.07/0.26  % WCLimit  : 600
% 0.07/0.26  % DateTime : Sat Jul  2 15:31:19 EDT 2022
% 0.07/0.26  % CPUTime  : 
% 0.07/0.27  
% 0.07/0.27   No.of.Axioms: 0
% 0.07/0.27  
% 0.07/0.27   Length.of.Defs: 0
% 0.07/0.27  
% 0.07/0.27   Contains.Choice.Funs: false
% 0.07/0.27  (rf:0,axioms:0,ps:3,u:6,ude:true,rLeibEQ:true,rAndEQ:true,use_choice:true,use_extuni:true,use_extcnf_combined:true,expand_extuni:false,foatp:e,atp_timeout:25,atp_calls_frequency:10,ordering:none,proof_output:1,protocol_output:false,clause_count:2,loop_count:0,foatp_calls:0,translation:fof_full)..
% 0.07/0.28  
% 0.07/0.28   *** Modified list of choice operators: sK5_Eigen ***
% 0.07/0.28  .
% 0.11/0.32  
% 0.11/0.32  ********************************
% 0.11/0.32  *   All subproblems solved!    *
% 0.11/0.32  ********************************
% 0.11/0.32  % SZS status Theorem for /export/starexec/sandbox/benchmark/theBenchmark.p : (rf:0,axioms:1,ps:3,u:6,ude:true,rLeibEQ:true,rAndEQ:true,use_choice:true,use_extuni:true,use_extcnf_combined:true,expand_extuni:false,foatp:e,atp_timeout:25,atp_calls_frequency:10,ordering:none,proof_output:1,protocol_output:false,clause_count:64,loop_count:0,foatp_calls:2,translation:fof_full)
% 0.11/0.32  
% 0.11/0.32  %**** Beginning of derivation protocol ****
% 0.11/0.32  % SZS output start CNFRefutation
% See solution above
% 0.11/0.32  
% 0.11/0.32  %**** End of derivation protocol ****
% 0.11/0.32  %**** no. of clauses in derivation: 60 ****
% 0.11/0.32  %**** clause counter: 64 ****
% 0.11/0.32  
% 0.11/0.32  % SZS status Theorem for /export/starexec/sandbox/benchmark/theBenchmark.p : (rf:0,axioms:1,ps:3,u:6,ude:true,rLeibEQ:true,rAndEQ:true,use_choice:true,use_extuni:true,use_extcnf_combined:true,expand_extuni:false,foatp:e,atp_timeout:25,atp_calls_frequency:10,ordering:none,proof_output:1,protocol_output:false,clause_count:64,loop_count:0,foatp_calls:2,translation:fof_full)
%------------------------------------------------------------------------------