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LEO-II---2.3.1.THM-CRf.s

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%------------------------------------------------------------------------------
% File     : LEO-II---2.3.1
% Problem  : SEV398^5 : TPTP v9.3.1. Released v4.0.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : leo --cores 7 --timeout 300 --proofoutput 1 --foatp e --atp e=/export/starexec/sandbox2/solver/bin/eprover /export/starexec/sandbox2/benchmark/theBenchmark.p

% Computer : n014.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 : Wed Oct  7 10:50:02 AM UTC 2026

% Result   : Theorem 0.11s 0.29s
% Output   : CNFRefutation 0.11s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   17
%            Number of leaves      :    1
% Syntax   : Number of formulae    :   89 (  56 unt;   0 typ;   0 def)
%            Number of atoms       :  515 ( 127 equ;   0 cnn)
%            Maximal formula atoms :   10 (   5 avg)
%            Number of connectives :  826 ( 112   ~; 118   |;   9   &; 544   @)
%                                         (   4 <=>;  39  =>;   0  <=;   0 <~>)
%            Maximal formula depth :   10 (   3 avg)
%            Number of types       :    2 (   1 usr)
%            Number of type conns  :  118 ( 118   >;   0   *;   0   +;   0  <<)
%            Number of symbols     :   11 (   8 usr;   4 con; 0-2 aty)
%            Number of variables   :  230 (   0   ^; 230   !;   0   ?; 230   :)

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

thf(tp_cF,type,
    cF: ( a > $o ) > a > $o ).

thf(tp_cG,type,
    cG: ( a > $o ) > a > $o ).

thf(tp_sK1_SX0,type,
    sK1_SX0: a > $o ).

thf(tp_sK2_SY14,type,
    sK2_SY14: a ).

thf(tp_sK3_SY15,type,
    sK3_SY15: ( a > $o ) > ( a > $o ) > a ).

thf(tp_sK4_SX0,type,
    sK4_SX0: a > $o ).

thf(tp_sK5_SY24,type,
    sK5_SY24: a ).

thf(tp_sK6_SY22,type,
    sK6_SY22: ( a > $o ) > ( a > $o ) > a ).

thf(1,conjecture,
    ( ( ! [S: a > $o,T: a > $o] :
          ( ! [Xx: a] :
              ( ( S @ Xx )
             => ( T @ Xx ) )
         => ! [Xx: a] :
              ( ( cF @ T @ Xx )
             => ( cF @ S @ Xx ) ) )
      & ! [S: a > $o] :
          ( ! [Xx: a] :
              ( ( S @ Xx )
             => ( cF @ ( cG @ S ) @ Xx ) )
          & ! [Xx: a] :
              ( ( S @ Xx )
             => ( cG @ ( cF @ S ) @ Xx ) ) ) )
   => ! [S: a > $o,Xx: a] :
        ( ( cF @ ( cG @ ( cF @ S ) ) @ Xx )
      <=> ( cF @ S @ Xx ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',cTHM67A_pme) ).

thf(2,negated_conjecture,
    ( ( ( ! [S: a > $o,T: a > $o] :
            ( ! [Xx: a] :
                ( ( S @ Xx )
               => ( T @ Xx ) )
           => ! [Xx: a] :
                ( ( cF @ T @ Xx )
               => ( cF @ S @ Xx ) ) )
        & ! [S: a > $o] :
            ( ! [Xx: a] :
                ( ( S @ Xx )
               => ( cF @ ( cG @ S ) @ Xx ) )
            & ! [Xx: a] :
                ( ( S @ Xx )
               => ( cG @ ( cF @ S ) @ Xx ) ) ) )
     => ! [S: a > $o,Xx: a] :
          ( ( cF @ ( cG @ ( cF @ S ) ) @ Xx )
        <=> ( cF @ S @ Xx ) ) )
    = $false ),
    inference(negate_conjecture,[status(cth)],[1]) ).

thf(3,plain,
    ( ( ( ! [S: a > $o,T: a > $o] :
            ( ! [Xx: a] :
                ( ( S @ Xx )
               => ( T @ Xx ) )
           => ! [Xx: a] :
                ( ( cF @ T @ Xx )
               => ( cF @ S @ Xx ) ) )
        & ! [S: a > $o] :
            ( ! [Xx: a] :
                ( ( S @ Xx )
               => ( cF @ ( cG @ S ) @ Xx ) )
            & ! [Xx: a] :
                ( ( S @ Xx )
               => ( cG @ ( cF @ S ) @ Xx ) ) ) )
     => ! [S: a > $o,Xx: a] :
          ( ( cF @ ( cG @ ( cF @ S ) ) @ Xx )
        <=> ( cF @ S @ Xx ) ) )
    = $false ),
    inference(unfold_def,[status(thm)],[2]) ).

thf(4,plain,
    ( ( ! [S: a > $o,T: a > $o] :
          ( ! [Xx: a] :
              ( ( S @ Xx )
             => ( T @ Xx ) )
         => ! [Xx: a] :
              ( ( cF @ T @ Xx )
             => ( cF @ S @ Xx ) ) ) )
    = $true ),
    inference(standard_cnf,[status(thm)],[3]) ).

thf(5,plain,
    ( ( ! [S: a > $o] :
          ( ! [Xx: a] :
              ( ( S @ Xx )
             => ( cF @ ( cG @ S ) @ Xx ) )
          & ! [Xx: a] :
              ( ( S @ Xx )
             => ( cG @ ( cF @ S ) @ Xx ) ) ) )
    = $true ),
    inference(standard_cnf,[status(thm)],[3]) ).

thf(6,plain,
    ( ( ! [S: a > $o,Xx: a] :
          ( ( cF @ ( cG @ ( cF @ S ) ) @ Xx )
        <=> ( cF @ S @ Xx ) ) )
    = $false ),
    inference(standard_cnf,[status(thm)],[3]) ).

thf(7,plain,
    ( ( ! [S: a > $o,Xx: a] :
          ( ( cF @ ( cG @ ( cF @ S ) ) @ Xx )
         => ( cF @ S @ Xx ) ) )
    = $false ),
    inference(split_conjecture,[split_conjecture(split,[])],[6]) ).

thf(8,plain,
    ( ( ! [S: a > $o,Xx: a] :
          ( ( cF @ S @ Xx )
         => ( cF @ ( cG @ ( cF @ S ) ) @ Xx ) ) )
    = $false ),
    inference(split_conjecture,[split_conjecture(split,[])],[6]) ).

thf(9,plain,
    ( ( ~ ! [S: a > $o,Xx: a] :
            ( ( cF @ ( cG @ ( cF @ S ) ) @ Xx )
           => ( cF @ S @ Xx ) ) )
    = $true ),
    inference(polarity_switch,[status(thm)],[7]) ).

thf(10,plain,
    ( ( ~ ! [S: a > $o,Xx: a] :
            ( ( cF @ S @ Xx )
           => ( cF @ ( cG @ ( cF @ S ) ) @ Xx ) ) )
    = $true ),
    inference(polarity_switch,[status(thm)],[8]) ).

thf(11,plain,
    ( ( ! [S: a > $o] :
          ( ! [Xx: a] :
              ( ( S @ Xx )
             => ( cF @ ( cG @ S ) @ Xx ) )
          & ! [Xx: a] :
              ( ( S @ Xx )
             => ( cG @ ( cF @ S ) @ Xx ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[5]) ).

thf(12,plain,
    ( ( ! [S: a > $o,T: a > $o] :
          ( ! [Xx: a] :
              ( ( S @ Xx )
             => ( T @ Xx ) )
         => ! [Xx: a] :
              ( ( cF @ T @ Xx )
             => ( cF @ S @ Xx ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[4]) ).

thf(13,plain,
    ( ( ~ ! [S: a > $o,Xx: a] :
            ( ( cF @ ( cG @ ( cF @ S ) ) @ Xx )
           => ( cF @ S @ Xx ) ) )
    = $true ),
    inference(copy,[status(thm)],[9]) ).

thf(14,plain,
    ( ( ~ ! [SX0: a > $o,SX1: a] :
            ( ~ ( cF @ ( cG @ ( cF @ SX0 ) ) @ SX1 )
            | ( cF @ SX0 @ SX1 ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[13]) ).

thf(15,plain,
    ( ( ! [SX0: a > $o,SX1: a > $o] :
          ( ~ ! [SX2: a] :
                ( ~ ( SX0 @ SX2 )
                | ( SX1 @ SX2 ) )
          | ! [SX2: a] :
              ( ~ ( cF @ SX1 @ SX2 )
              | ( cF @ SX0 @ SX2 ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[12]) ).

thf(16,plain,
    ( ( ! [SX0: a > $o] :
          ~ ( ~ ! [SX1: a] :
                  ( ~ ( SX0 @ SX1 )
                  | ( cF @ ( cG @ SX0 ) @ SX1 ) )
            | ~ ! [SX1: a] :
                  ( ~ ( SX0 @ SX1 )
                  | ( cG @ ( cF @ SX0 ) @ SX1 ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[11]) ).

thf(17,plain,
    ( ( ! [SX0: a > $o,SX1: a] :
          ( ~ ( cF @ ( cG @ ( cF @ SX0 ) ) @ SX1 )
          | ( cF @ SX0 @ SX1 ) ) )
    = $false ),
    inference(extcnf_not_pos,[status(thm)],[14]) ).

thf(18,plain,
    ! [SV1: a > $o] :
      ( ( ! [SY9: a > $o] :
            ( ~ ! [SY10: a] :
                  ( ~ ( SV1 @ SY10 )
                  | ( SY9 @ SY10 ) )
            | ! [SY11: a] :
                ( ~ ( cF @ SY9 @ SY11 )
                | ( cF @ SV1 @ SY11 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[15]) ).

thf(19,plain,
    ! [SV2: a > $o] :
      ( ( ~ ( ~ ! [SY12: a] :
                  ( ~ ( SV2 @ SY12 )
                  | ( cF @ ( cG @ SV2 ) @ SY12 ) )
            | ~ ! [SY13: a] :
                  ( ~ ( SV2 @ SY13 )
                  | ( cG @ ( cF @ SV2 ) @ SY13 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[16]) ).

thf(20,plain,
    ( ( ! [SY14: a] :
          ( ~ ( cF @ ( cG @ ( cF @ sK1_SX0 ) ) @ SY14 )
          | ( cF @ sK1_SX0 @ SY14 ) ) )
    = $false ),
    inference(extcnf_forall_neg,[status(esa)],[17]) ).

thf(21,plain,
    ! [SV3: a > $o,SV1: a > $o] :
      ( ( ~ ! [SY15: a] :
              ( ~ ( SV1 @ SY15 )
              | ( SV3 @ SY15 ) )
        | ! [SY16: a] :
            ( ~ ( cF @ SV3 @ SY16 )
            | ( cF @ SV1 @ SY16 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[18]) ).

thf(22,plain,
    ! [SV2: a > $o] :
      ( ( ~ ! [SY12: a] :
              ( ~ ( SV2 @ SY12 )
              | ( cF @ ( cG @ SV2 ) @ SY12 ) )
        | ~ ! [SY13: a] :
              ( ~ ( SV2 @ SY13 )
              | ( cG @ ( cF @ SV2 ) @ SY13 ) ) )
      = $false ),
    inference(extcnf_not_pos,[status(thm)],[19]) ).

thf(23,plain,
    ( ( ~ ( cF @ ( cG @ ( cF @ sK1_SX0 ) ) @ sK2_SY14 )
      | ( cF @ sK1_SX0 @ sK2_SY14 ) )
    = $false ),
    inference(extcnf_forall_neg,[status(esa)],[20]) ).

thf(24,plain,
    ! [SV3: a > $o,SV1: a > $o] :
      ( ( ( ~ ! [SY15: a] :
                ( ~ ( SV1 @ SY15 )
                | ( SV3 @ SY15 ) ) )
        = $true )
      | ( ( ! [SY16: a] :
              ( ~ ( cF @ SV3 @ SY16 )
              | ( cF @ SV1 @ SY16 ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[21]) ).

thf(25,plain,
    ! [SV2: a > $o] :
      ( ( ~ ! [SY12: a] :
              ( ~ ( SV2 @ SY12 )
              | ( cF @ ( cG @ SV2 ) @ SY12 ) ) )
      = $false ),
    inference(extcnf_or_neg,[status(thm)],[22]) ).

thf(26,plain,
    ! [SV2: a > $o] :
      ( ( ~ ! [SY13: a] :
              ( ~ ( SV2 @ SY13 )
              | ( cG @ ( cF @ SV2 ) @ SY13 ) ) )
      = $false ),
    inference(extcnf_or_neg,[status(thm)],[22]) ).

thf(27,plain,
    ( ( ~ ( cF @ ( cG @ ( cF @ sK1_SX0 ) ) @ sK2_SY14 ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[23]) ).

thf(28,plain,
    ( ( cF @ sK1_SX0 @ sK2_SY14 )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[23]) ).

thf(29,plain,
    ! [SV3: a > $o,SV1: a > $o] :
      ( ( ( ! [SY15: a] :
              ( ~ ( SV1 @ SY15 )
              | ( SV3 @ SY15 ) ) )
        = $false )
      | ( ( ! [SY16: a] :
              ( ~ ( cF @ SV3 @ SY16 )
              | ( cF @ SV1 @ SY16 ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[24]) ).

thf(30,plain,
    ! [SV2: a > $o] :
      ( ( ! [SY12: a] :
            ( ~ ( SV2 @ SY12 )
            | ( cF @ ( cG @ SV2 ) @ SY12 ) ) )
      = $true ),
    inference(extcnf_not_neg,[status(thm)],[25]) ).

thf(31,plain,
    ! [SV2: a > $o] :
      ( ( ! [SY13: a] :
            ( ~ ( SV2 @ SY13 )
            | ( cG @ ( cF @ SV2 ) @ SY13 ) ) )
      = $true ),
    inference(extcnf_not_neg,[status(thm)],[26]) ).

thf(32,plain,
    ( ( cF @ ( cG @ ( cF @ sK1_SX0 ) ) @ sK2_SY14 )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[27]) ).

thf(33,plain,
    ! [SV3: a > $o,SV1: a > $o] :
      ( ( ( ~ ( SV1 @ ( sK3_SY15 @ SV3 @ SV1 ) )
          | ( SV3 @ ( sK3_SY15 @ SV3 @ SV1 ) ) )
        = $false )
      | ( ( ! [SY16: a] :
              ( ~ ( cF @ SV3 @ SY16 )
              | ( cF @ SV1 @ SY16 ) ) )
        = $true ) ),
    inference(extcnf_forall_neg,[status(esa)],[29]) ).

thf(34,plain,
    ! [SV4: a,SV2: a > $o] :
      ( ( ~ ( SV2 @ SV4 )
        | ( cF @ ( cG @ SV2 ) @ SV4 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[30]) ).

thf(35,plain,
    ! [SV5: a,SV2: a > $o] :
      ( ( ~ ( SV2 @ SV5 )
        | ( cG @ ( cF @ SV2 ) @ SV5 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[31]) ).

thf(36,plain,
    ! [SV3: a > $o,SV1: a > $o] :
      ( ( ( ~ ( SV1 @ ( sK3_SY15 @ SV3 @ SV1 ) ) )
        = $false )
      | ( ( ! [SY16: a] :
              ( ~ ( cF @ SV3 @ SY16 )
              | ( cF @ SV1 @ SY16 ) ) )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[33]) ).

thf(37,plain,
    ! [SV1: a > $o,SV3: a > $o] :
      ( ( ( SV3 @ ( sK3_SY15 @ SV3 @ SV1 ) )
        = $false )
      | ( ( ! [SY16: a] :
              ( ~ ( cF @ SV3 @ SY16 )
              | ( cF @ SV1 @ SY16 ) ) )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[33]) ).

thf(38,plain,
    ! [SV4: a,SV2: a > $o] :
      ( ( ( ~ ( SV2 @ SV4 ) )
        = $true )
      | ( ( cF @ ( cG @ SV2 ) @ SV4 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[34]) ).

thf(39,plain,
    ! [SV5: a,SV2: a > $o] :
      ( ( ( ~ ( SV2 @ SV5 ) )
        = $true )
      | ( ( cG @ ( cF @ SV2 ) @ SV5 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[35]) ).

thf(40,plain,
    ! [SV3: a > $o,SV1: a > $o] :
      ( ( ( SV1 @ ( sK3_SY15 @ SV3 @ SV1 ) )
        = $true )
      | ( ( ! [SY16: a] :
              ( ~ ( cF @ SV3 @ SY16 )
              | ( cF @ SV1 @ SY16 ) ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[36]) ).

thf(41,plain,
    ! [SV1: a > $o,SV6: a,SV3: a > $o] :
      ( ( ( ~ ( cF @ SV3 @ SV6 )
          | ( cF @ SV1 @ SV6 ) )
        = $true )
      | ( ( SV3 @ ( sK3_SY15 @ SV3 @ SV1 ) )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[37]) ).

thf(42,plain,
    ! [SV4: a,SV2: a > $o] :
      ( ( ( SV2 @ SV4 )
        = $false )
      | ( ( cF @ ( cG @ SV2 ) @ SV4 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[38]) ).

thf(43,plain,
    ! [SV5: a,SV2: a > $o] :
      ( ( ( SV2 @ SV5 )
        = $false )
      | ( ( cG @ ( cF @ SV2 ) @ SV5 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[39]) ).

thf(44,plain,
    ! [SV1: a > $o,SV7: a,SV3: a > $o] :
      ( ( ( ~ ( cF @ SV3 @ SV7 )
          | ( cF @ SV1 @ SV7 ) )
        = $true )
      | ( ( SV1 @ ( sK3_SY15 @ SV3 @ SV1 ) )
        = $true ) ),
    inference(extcnf_forall_pos,[status(thm)],[40]) ).

thf(45,plain,
    ! [SV1: a > $o,SV6: a,SV3: a > $o] :
      ( ( ( ~ ( cF @ SV3 @ SV6 ) )
        = $true )
      | ( ( cF @ SV1 @ SV6 )
        = $true )
      | ( ( SV3 @ ( sK3_SY15 @ SV3 @ SV1 ) )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[41]) ).

thf(46,plain,
    ! [SV1: a > $o,SV7: a,SV3: a > $o] :
      ( ( ( ~ ( cF @ SV3 @ SV7 ) )
        = $true )
      | ( ( cF @ SV1 @ SV7 )
        = $true )
      | ( ( SV1 @ ( sK3_SY15 @ SV3 @ SV1 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[44]) ).

thf(47,plain,
    ! [SV1: a > $o,SV6: a,SV3: a > $o] :
      ( ( ( cF @ SV3 @ SV6 )
        = $false )
      | ( ( cF @ SV1 @ SV6 )
        = $true )
      | ( ( SV3 @ ( sK3_SY15 @ SV3 @ SV1 ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[45]) ).

thf(48,plain,
    ! [SV1: a > $o,SV7: a,SV3: a > $o] :
      ( ( ( cF @ SV3 @ SV7 )
        = $false )
      | ( ( cF @ SV1 @ SV7 )
        = $true )
      | ( ( SV1 @ ( sK3_SY15 @ SV3 @ SV1 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[46]) ).

thf(49,plain,
    $false = $true,
    inference(fo_atp_e,[status(thm)],[28,48,47,43,42,32]) ).

thf(50,plain,
    ( ( ! [S: a > $o] :
          ( ! [Xx: a] :
              ( ( S @ Xx )
             => ( cF @ ( cG @ S ) @ Xx ) )
          & ! [Xx: a] :
              ( ( S @ Xx )
             => ( cG @ ( cF @ S ) @ Xx ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[5]) ).

thf(51,plain,
    ( ( ! [S: a > $o,T: a > $o] :
          ( ! [Xx: a] :
              ( ( S @ Xx )
             => ( T @ Xx ) )
         => ! [Xx: a] :
              ( ( cF @ T @ Xx )
             => ( cF @ S @ Xx ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[4]) ).

thf(52,plain,
    ( ( ~ ! [S: a > $o,Xx: a] :
            ( ( cF @ S @ Xx )
           => ( cF @ ( cG @ ( cF @ S ) ) @ Xx ) ) )
    = $true ),
    inference(copy,[status(thm)],[10]) ).

thf(53,plain,
    ( ( ! [SX0: a > $o,SX1: a > $o] :
          ( ~ ! [SX2: a] :
                ( ~ ( SX0 @ SX2 )
                | ( SX1 @ SX2 ) )
          | ! [SX2: a] :
              ( ~ ( cF @ SX1 @ SX2 )
              | ( cF @ SX0 @ SX2 ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[51]) ).

thf(54,plain,
    ( ( ~ ! [SX0: a > $o,SX1: a] :
            ( ~ ( cF @ SX0 @ SX1 )
            | ( cF @ ( cG @ ( cF @ SX0 ) ) @ SX1 ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[52]) ).

thf(55,plain,
    ( ( ! [SX0: a > $o] :
          ~ ( ~ ! [SX1: a] :
                  ( ~ ( SX0 @ SX1 )
                  | ( cF @ ( cG @ SX0 ) @ SX1 ) )
            | ~ ! [SX1: a] :
                  ( ~ ( SX0 @ SX1 )
                  | ( cG @ ( cF @ SX0 ) @ SX1 ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[50]) ).

thf(56,plain,
    ! [SV8: a > $o] :
      ( ( ! [SY17: a > $o] :
            ( ~ ! [SY18: a] :
                  ( ~ ( SV8 @ SY18 )
                  | ( SY17 @ SY18 ) )
            | ! [SY19: a] :
                ( ~ ( cF @ SY17 @ SY19 )
                | ( cF @ SV8 @ SY19 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[53]) ).

thf(57,plain,
    ( ( ! [SX0: a > $o,SX1: a] :
          ( ~ ( cF @ SX0 @ SX1 )
          | ( cF @ ( cG @ ( cF @ SX0 ) ) @ SX1 ) ) )
    = $false ),
    inference(extcnf_not_pos,[status(thm)],[54]) ).

thf(58,plain,
    ! [SV9: a > $o] :
      ( ( ~ ( ~ ! [SY20: a] :
                  ( ~ ( SV9 @ SY20 )
                  | ( cF @ ( cG @ SV9 ) @ SY20 ) )
            | ~ ! [SY21: a] :
                  ( ~ ( SV9 @ SY21 )
                  | ( cG @ ( cF @ SV9 ) @ SY21 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[55]) ).

thf(59,plain,
    ! [SV10: a > $o,SV8: a > $o] :
      ( ( ~ ! [SY22: a] :
              ( ~ ( SV8 @ SY22 )
              | ( SV10 @ SY22 ) )
        | ! [SY23: a] :
            ( ~ ( cF @ SV10 @ SY23 )
            | ( cF @ SV8 @ SY23 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[56]) ).

thf(60,plain,
    ( ( ! [SY24: a] :
          ( ~ ( cF @ sK4_SX0 @ SY24 )
          | ( cF @ ( cG @ ( cF @ sK4_SX0 ) ) @ SY24 ) ) )
    = $false ),
    inference(extcnf_forall_neg,[status(esa)],[57]) ).

thf(61,plain,
    ! [SV9: a > $o] :
      ( ( ~ ! [SY20: a] :
              ( ~ ( SV9 @ SY20 )
              | ( cF @ ( cG @ SV9 ) @ SY20 ) )
        | ~ ! [SY21: a] :
              ( ~ ( SV9 @ SY21 )
              | ( cG @ ( cF @ SV9 ) @ SY21 ) ) )
      = $false ),
    inference(extcnf_not_pos,[status(thm)],[58]) ).

thf(62,plain,
    ! [SV10: a > $o,SV8: a > $o] :
      ( ( ( ~ ! [SY22: a] :
                ( ~ ( SV8 @ SY22 )
                | ( SV10 @ SY22 ) ) )
        = $true )
      | ( ( ! [SY23: a] :
              ( ~ ( cF @ SV10 @ SY23 )
              | ( cF @ SV8 @ SY23 ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[59]) ).

thf(63,plain,
    ( ( ~ ( cF @ sK4_SX0 @ sK5_SY24 )
      | ( cF @ ( cG @ ( cF @ sK4_SX0 ) ) @ sK5_SY24 ) )
    = $false ),
    inference(extcnf_forall_neg,[status(esa)],[60]) ).

thf(64,plain,
    ! [SV9: a > $o] :
      ( ( ~ ! [SY20: a] :
              ( ~ ( SV9 @ SY20 )
              | ( cF @ ( cG @ SV9 ) @ SY20 ) ) )
      = $false ),
    inference(extcnf_or_neg,[status(thm)],[61]) ).

thf(65,plain,
    ! [SV9: a > $o] :
      ( ( ~ ! [SY21: a] :
              ( ~ ( SV9 @ SY21 )
              | ( cG @ ( cF @ SV9 ) @ SY21 ) ) )
      = $false ),
    inference(extcnf_or_neg,[status(thm)],[61]) ).

thf(66,plain,
    ! [SV10: a > $o,SV8: a > $o] :
      ( ( ( ! [SY22: a] :
              ( ~ ( SV8 @ SY22 )
              | ( SV10 @ SY22 ) ) )
        = $false )
      | ( ( ! [SY23: a] :
              ( ~ ( cF @ SV10 @ SY23 )
              | ( cF @ SV8 @ SY23 ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[62]) ).

thf(67,plain,
    ( ( ~ ( cF @ sK4_SX0 @ sK5_SY24 ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[63]) ).

thf(68,plain,
    ( ( cF @ ( cG @ ( cF @ sK4_SX0 ) ) @ sK5_SY24 )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[63]) ).

thf(69,plain,
    ! [SV9: a > $o] :
      ( ( ! [SY20: a] :
            ( ~ ( SV9 @ SY20 )
            | ( cF @ ( cG @ SV9 ) @ SY20 ) ) )
      = $true ),
    inference(extcnf_not_neg,[status(thm)],[64]) ).

thf(70,plain,
    ! [SV9: a > $o] :
      ( ( ! [SY21: a] :
            ( ~ ( SV9 @ SY21 )
            | ( cG @ ( cF @ SV9 ) @ SY21 ) ) )
      = $true ),
    inference(extcnf_not_neg,[status(thm)],[65]) ).

thf(71,plain,
    ! [SV10: a > $o,SV8: a > $o] :
      ( ( ( ~ ( SV8 @ ( sK6_SY22 @ SV10 @ SV8 ) )
          | ( SV10 @ ( sK6_SY22 @ SV10 @ SV8 ) ) )
        = $false )
      | ( ( ! [SY23: a] :
              ( ~ ( cF @ SV10 @ SY23 )
              | ( cF @ SV8 @ SY23 ) ) )
        = $true ) ),
    inference(extcnf_forall_neg,[status(esa)],[66]) ).

thf(72,plain,
    ( ( cF @ sK4_SX0 @ sK5_SY24 )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[67]) ).

thf(73,plain,
    ! [SV11: a,SV9: a > $o] :
      ( ( ~ ( SV9 @ SV11 )
        | ( cF @ ( cG @ SV9 ) @ SV11 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[69]) ).

thf(74,plain,
    ! [SV12: a,SV9: a > $o] :
      ( ( ~ ( SV9 @ SV12 )
        | ( cG @ ( cF @ SV9 ) @ SV12 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[70]) ).

thf(75,plain,
    ! [SV10: a > $o,SV8: a > $o] :
      ( ( ( ~ ( SV8 @ ( sK6_SY22 @ SV10 @ SV8 ) ) )
        = $false )
      | ( ( ! [SY23: a] :
              ( ~ ( cF @ SV10 @ SY23 )
              | ( cF @ SV8 @ SY23 ) ) )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[71]) ).

thf(76,plain,
    ! [SV8: a > $o,SV10: a > $o] :
      ( ( ( SV10 @ ( sK6_SY22 @ SV10 @ SV8 ) )
        = $false )
      | ( ( ! [SY23: a] :
              ( ~ ( cF @ SV10 @ SY23 )
              | ( cF @ SV8 @ SY23 ) ) )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[71]) ).

thf(77,plain,
    ! [SV11: a,SV9: a > $o] :
      ( ( ( ~ ( SV9 @ SV11 ) )
        = $true )
      | ( ( cF @ ( cG @ SV9 ) @ SV11 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[73]) ).

thf(78,plain,
    ! [SV12: a,SV9: a > $o] :
      ( ( ( ~ ( SV9 @ SV12 ) )
        = $true )
      | ( ( cG @ ( cF @ SV9 ) @ SV12 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[74]) ).

thf(79,plain,
    ! [SV10: a > $o,SV8: a > $o] :
      ( ( ( SV8 @ ( sK6_SY22 @ SV10 @ SV8 ) )
        = $true )
      | ( ( ! [SY23: a] :
              ( ~ ( cF @ SV10 @ SY23 )
              | ( cF @ SV8 @ SY23 ) ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[75]) ).

thf(80,plain,
    ! [SV8: a > $o,SV13: a,SV10: a > $o] :
      ( ( ( ~ ( cF @ SV10 @ SV13 )
          | ( cF @ SV8 @ SV13 ) )
        = $true )
      | ( ( SV10 @ ( sK6_SY22 @ SV10 @ SV8 ) )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[76]) ).

thf(81,plain,
    ! [SV11: a,SV9: a > $o] :
      ( ( ( SV9 @ SV11 )
        = $false )
      | ( ( cF @ ( cG @ SV9 ) @ SV11 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[77]) ).

thf(82,plain,
    ! [SV12: a,SV9: a > $o] :
      ( ( ( SV9 @ SV12 )
        = $false )
      | ( ( cG @ ( cF @ SV9 ) @ SV12 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[78]) ).

thf(83,plain,
    ! [SV8: a > $o,SV14: a,SV10: a > $o] :
      ( ( ( ~ ( cF @ SV10 @ SV14 )
          | ( cF @ SV8 @ SV14 ) )
        = $true )
      | ( ( SV8 @ ( sK6_SY22 @ SV10 @ SV8 ) )
        = $true ) ),
    inference(extcnf_forall_pos,[status(thm)],[79]) ).

thf(84,plain,
    ! [SV8: a > $o,SV13: a,SV10: a > $o] :
      ( ( ( ~ ( cF @ SV10 @ SV13 ) )
        = $true )
      | ( ( cF @ SV8 @ SV13 )
        = $true )
      | ( ( SV10 @ ( sK6_SY22 @ SV10 @ SV8 ) )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[80]) ).

thf(85,plain,
    ! [SV8: a > $o,SV14: a,SV10: a > $o] :
      ( ( ( ~ ( cF @ SV10 @ SV14 ) )
        = $true )
      | ( ( cF @ SV8 @ SV14 )
        = $true )
      | ( ( SV8 @ ( sK6_SY22 @ SV10 @ SV8 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[83]) ).

thf(86,plain,
    ! [SV8: a > $o,SV13: a,SV10: a > $o] :
      ( ( ( cF @ SV10 @ SV13 )
        = $false )
      | ( ( cF @ SV8 @ SV13 )
        = $true )
      | ( ( SV10 @ ( sK6_SY22 @ SV10 @ SV8 ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[84]) ).

thf(87,plain,
    ! [SV8: a > $o,SV14: a,SV10: a > $o] :
      ( ( ( cF @ SV10 @ SV14 )
        = $false )
      | ( ( cF @ SV8 @ SV14 )
        = $true )
      | ( ( SV8 @ ( sK6_SY22 @ SV10 @ SV8 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[85]) ).

thf(88,plain,
    $false = $true,
    inference(fo_atp_e,[status(thm)],[68,87,86,82,81,72]) ).

thf(89,plain,
    $false,
    inference(solved_all_splits,[solved_all_splits(join,[])],[88,49]) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.03  % Problem  : SEV398^5 : TPTP v9.3.1. Released v4.0.0.
% 0.00/0.04  % Command  : leo --cores 7 --timeout 300 --proofoutput 1 --foatp e --atp e=/export/starexec/sandbox2/solver/bin/eprover /export/starexec/sandbox2/benchmark/theBenchmark.p
% 0.11/0.18  % Computer : n014.cluster.edu
% 0.11/0.18  % Model    : x86_64 x86_64
% 0.11/0.18  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.11/0.18  % Memory   : 8046.5625MB
% 0.11/0.18  % OS       : Linux 6.8.0-71-generic
% 0.11/0.18  % CPULimit : 300
% 0.11/0.18  % WCLimit  : 300
% 0.11/0.18  % DateTime : Tue Oct  6 15:45:56 UTC 2026
% 0.11/0.18  % CPUTime  : 
% 0.11/0.18  Running leo --cores 7 --timeout 300 --proofoutput 1 --foatp e --atp e=/export/starexec/sandbox2/solver/bin/eprover /export/starexec/sandbox2/benchmark/theBenchmark.p
% 0.11/0.29  
% 0.11/0.29   No.of.Axioms: 0
% 0.11/0.29  
% 0.11/0.29   Length.of.Defs: 0
% 0.11/0.29  
% 0.11/0.29   Contains.Choice.Funs: false
% 0.11/0.29  ..
% 0.11/0.29  
% 0.11/0.29  ********************************
% 0.11/0.29  *   All subproblems solved!    *
% 0.11/0.29  ********************************
% 0.11/0.29  % SZS status Theorem for /export/starexec/sandbox2/benchmark/theBenchmark.p : (rf:1,axioms:2,ps:0,u:6,ude:true,rLeibEQ:true,rAndEQ:true,use_choice:true,use_extuni:true,use_extcnf_combined:false,expand_extuni:false,foatp:e,atp_timeout:25,atp_calls_frequency:5,ordering:none,proof_output:1,protocol_output:false,clause_count:88,loop_count:0,foatp_calls:1,translation:fof_full)
% 0.11/0.29  
% 0.11/0.29  %**** Beginning of derivation protocol ****
% 0.11/0.29  % SZS output start CNFRefutation
% See solution above
% 0.11/0.29  
% 0.11/0.29  %**** End of derivation protocol ****
% 0.11/0.29  %**** no. of clauses in derivation: 89 ****
% 0.11/0.29  %**** clause counter: 88 ****
% 0.11/0.29  
% 0.11/0.29  % SZS status Theorem for /export/starexec/sandbox2/benchmark/theBenchmark.p : (rf:1,axioms:2,ps:0,u:6,ude:true,rLeibEQ:true,rAndEQ:true,use_choice:true,use_extuni:true,use_extcnf_combined:false,expand_extuni:false,foatp:e,atp_timeout:25,atp_calls_frequency:5,ordering:none,proof_output:1,protocol_output:false,clause_count:88,loop_count:0,foatp_calls:1,translation:fof_full)
%------------------------------------------------------------------------------