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

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%------------------------------------------------------------------------------
% File     : LEO-II---2.3.1
% Problem  : NUM682^1 : TPTP v9.3.1. Released v3.7.0.
% 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 : n002.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 10:34:54 AM UTC 2026

% Result   : Theorem 0.10s 0.23s
% Output   : CNFRefutation 0.10s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   16
%            Number of leaves      :    7
% Syntax   : Number of formulae    :   85 (  49 unt;   0 typ;   0 def)
%            Number of atoms       :  409 ( 168 equ;   0 cnn)
%            Maximal formula atoms :    6 (   4 avg)
%            Number of connectives :  611 ( 191   ~;  90   |;   0   &; 300   @)
%                                         (   0 <=>;  30  =>;   0  <=;   0 <~>)
%            Maximal formula depth :   12 (   3 avg)
%            Number of types       :    2 (   1 usr)
%            Number of type conns  :    0 (   0   >;   0   *;   0   +;   0  <<)
%            Number of symbols     :    9 (   6 usr;   5 con; 0-2 aty)
%            Number of variables   :  137 (   0   ^; 137   !;   0   ?; 137   :)

% Comments : 
%------------------------------------------------------------------------------
thf(tp_nat,type,
    nat: $tType ).

thf(tp_less,type,
    less: nat > nat > $o ).

thf(tp_more,type,
    more: nat > nat > $o ).

thf(tp_pl,type,
    pl: nat > nat > nat ).

thf(tp_x,type,
    x: nat ).

thf(tp_y,type,
    y: nat ).

thf(tp_z,type,
    z: nat ).

thf(1,axiom,
    ! [Xx: nat,Xy: nat] :
      ( ( Xx != Xy )
     => ( ~ ( more @ Xx @ Xy )
       => ( less @ Xx @ Xy ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',satz10a) ).

thf(2,axiom,
    ! [Xx: nat,Xy: nat,Xz: nat] :
      ( ( Xx = Xy )
     => ( ( pl @ Xx @ Xz )
        = ( pl @ Xy @ Xz ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',satz19b) ).

thf(3,axiom,
    ! [Xx: nat,Xy: nat,Xz: nat] :
      ( ( more @ Xx @ Xy )
     => ( more @ ( pl @ Xx @ Xz ) @ ( pl @ Xy @ Xz ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',satz19a) ).

thf(4,axiom,
    ! [Xx: nat,Xy: nat] :
      ~ ( ( ( Xx = Xy )
         => ~ ( more @ Xx @ Xy ) )
       => ~ ~ ( ( ( more @ Xx @ Xy )
               => ~ ( less @ Xx @ Xy ) )
             => ~ ( ( less @ Xx @ Xy )
                 => ( Xx != Xy ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',satz10b) ).

thf(5,axiom,
    ! [Xa: $o] :
      ( ~ ~ Xa
     => Xa ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',et) ).

thf(6,axiom,
    less @ ( pl @ x @ z ) @ ( pl @ y @ z ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',l) ).

thf(7,conjecture,
    less @ x @ y,
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',satz20c) ).

thf(8,negated_conjecture,
    ( ( less @ x @ y )
    = $false ),
    inference(negate_conjecture,[status(cth)],[7]) ).

thf(9,plain,
    ( ( less @ x @ y )
    = $false ),
    inference(unfold_def,[status(thm)],[8]) ).

thf(10,plain,
    ( ( ! [Xx: nat,Xy: nat] :
          ( ( Xx != Xy )
         => ( ~ ( more @ Xx @ Xy )
           => ( less @ Xx @ Xy ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[1]) ).

thf(11,plain,
    ( ( ! [Xx: nat,Xy: nat,Xz: nat] :
          ( ( Xx = Xy )
         => ( ( pl @ Xx @ Xz )
            = ( pl @ Xy @ Xz ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[2]) ).

thf(12,plain,
    ( ( ! [Xx: nat,Xy: nat,Xz: nat] :
          ( ( more @ Xx @ Xy )
         => ( more @ ( pl @ Xx @ Xz ) @ ( pl @ Xy @ Xz ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[3]) ).

thf(13,plain,
    ( ( ! [Xx: nat,Xy: nat] :
          ~ ( ( ( Xx = Xy )
             => ~ ( more @ Xx @ Xy ) )
           => ~ ~ ( ( ( more @ Xx @ Xy )
                   => ~ ( less @ Xx @ Xy ) )
                 => ~ ( ( less @ Xx @ Xy )
                     => ( Xx != Xy ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[4]) ).

thf(14,plain,
    ( ( ! [Xa: $o] :
          ( ~ ~ Xa
         => Xa ) )
    = $true ),
    inference(unfold_def,[status(thm)],[5]) ).

thf(15,plain,
    ( ( less @ ( pl @ x @ z ) @ ( pl @ y @ z ) )
    = $true ),
    inference(unfold_def,[status(thm)],[6]) ).

thf(16,plain,
    ( ( ~ ( less @ x @ y ) )
    = $true ),
    inference(polarity_switch,[status(thm)],[9]) ).

thf(17,plain,
    ( ( less @ ( pl @ x @ z ) @ ( pl @ y @ z ) )
    = $true ),
    inference(copy,[status(thm)],[15]) ).

thf(18,plain,
    ( ( ! [Xa: $o] :
          ( ~ ~ Xa
         => Xa ) )
    = $true ),
    inference(copy,[status(thm)],[14]) ).

thf(19,plain,
    ( ( ! [Xx: nat,Xy: nat] :
          ~ ( ( ( Xx = Xy )
             => ~ ( more @ Xx @ Xy ) )
           => ~ ~ ( ( ( more @ Xx @ Xy )
                   => ~ ( less @ Xx @ Xy ) )
                 => ~ ( ( less @ Xx @ Xy )
                     => ( Xx != Xy ) ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[13]) ).

thf(20,plain,
    ( ( ! [Xx: nat,Xy: nat,Xz: nat] :
          ( ( more @ Xx @ Xy )
         => ( more @ ( pl @ Xx @ Xz ) @ ( pl @ Xy @ Xz ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[12]) ).

thf(21,plain,
    ( ( ! [Xx: nat,Xy: nat,Xz: nat] :
          ( ( Xx = Xy )
         => ( ( pl @ Xx @ Xz )
            = ( pl @ Xy @ Xz ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[11]) ).

thf(22,plain,
    ( ( ! [Xx: nat,Xy: nat] :
          ( ( Xx != Xy )
         => ( ~ ( more @ Xx @ Xy )
           => ( less @ Xx @ Xy ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[10]) ).

thf(23,plain,
    ( ( ~ ( less @ x @ y ) )
    = $true ),
    inference(copy,[status(thm)],[16]) ).

thf(24,plain,
    ( ( ! [SX0: nat,SX1: nat,SX2: nat] :
          ( ~ ( more @ SX0 @ SX1 )
          | ( more @ ( pl @ SX0 @ SX2 ) @ ( pl @ SX1 @ SX2 ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[20]) ).

thf(25,plain,
    ( ( ! [SX0: nat,SX1: nat,SX2: nat] :
          ( ( SX0 != SX1 )
          | ( ( pl @ SX0 @ SX2 )
            = ( pl @ SX1 @ SX2 ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[21]) ).

thf(26,plain,
    ( ( ! [SX0: nat,SX1: nat] :
          ~ ( ~ ( ( SX0 != SX1 )
                | ~ ( more @ SX0 @ SX1 ) )
            | ~ ~ ( ~ ( ~ ( more @ SX0 @ SX1 )
                      | ~ ( less @ SX0 @ SX1 ) )
                  | ~ ( ~ ( less @ SX0 @ SX1 )
                      | ( SX0 != SX1 ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[19]) ).

thf(27,plain,
    ( ( ! [SX0: $o] :
          ( ~ ~ ~ SX0
          | SX0 ) )
    = $true ),
    inference(unfold_def,[status(thm)],[18]) ).

thf(28,plain,
    ( ( ! [SX0: nat,SX1: nat] :
          ( ~ ( ( SX0 != SX1 ) )
          | ~ ~ ( more @ SX0 @ SX1 )
          | ( less @ SX0 @ SX1 ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[22]) ).

thf(29,plain,
    ( ( less @ x @ y )
    = $false ),
    inference(extcnf_not_pos,[status(thm)],[23]) ).

thf(30,plain,
    ! [SV1: nat] :
      ( ( ! [SY11: nat,SY12: nat] :
            ( ~ ( more @ SV1 @ SY11 )
            | ( more @ ( pl @ SV1 @ SY12 ) @ ( pl @ SY11 @ SY12 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[24]) ).

thf(31,plain,
    ! [SV2: nat] :
      ( ( ! [SY13: nat,SY14: nat] :
            ( ( SV2 != SY13 )
            | ( ( pl @ SV2 @ SY14 )
              = ( pl @ SY13 @ SY14 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[25]) ).

thf(32,plain,
    ! [SV3: nat] :
      ( ( ! [SY15: nat] :
            ~ ( ~ ( ( SV3 != SY15 )
                  | ~ ( more @ SV3 @ SY15 ) )
              | ~ ~ ( ~ ( ~ ( more @ SV3 @ SY15 )
                        | ~ ( less @ SV3 @ SY15 ) )
                    | ~ ( ~ ( less @ SV3 @ SY15 )
                        | ( SV3 != SY15 ) ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[26]) ).

thf(33,plain,
    ! [SV4: $o] :
      ( ( ~ ~ ~ SV4
        | SV4 )
      = $true ),
    inference(extcnf_forall_special_pos,[status(thm)],[27]) ).

thf(34,plain,
    ( ( ~ ~ ~ $true
      | $true )
    = $true ),
    inference(extcnf_forall_special_pos,[status(thm)],[27]) ).

thf(35,plain,
    ( ( ~ ~ ~ $false
      | $false )
    = $true ),
    inference(extcnf_forall_special_pos,[status(thm)],[27]) ).

thf(36,plain,
    ! [SV5: nat] :
      ( ( ! [SY16: nat] :
            ( ~ ( ( SV5 != SY16 ) )
            | ~ ~ ( more @ SV5 @ SY16 )
            | ( less @ SV5 @ SY16 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[28]) ).

thf(37,plain,
    ! [SV6: nat,SV1: nat] :
      ( ( ! [SY17: nat] :
            ( ~ ( more @ SV1 @ SV6 )
            | ( more @ ( pl @ SV1 @ SY17 ) @ ( pl @ SV6 @ SY17 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[30]) ).

thf(38,plain,
    ! [SV7: nat,SV2: nat] :
      ( ( ! [SY18: nat] :
            ( ( SV2 != SV7 )
            | ( ( pl @ SV2 @ SY18 )
              = ( pl @ SV7 @ SY18 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[31]) ).

thf(39,plain,
    ! [SV8: nat,SV3: nat] :
      ( ( ~ ( ~ ( ( SV3 != SV8 )
                | ~ ( more @ SV3 @ SV8 ) )
            | ~ ~ ( ~ ( ~ ( more @ SV3 @ SV8 )
                      | ~ ( less @ SV3 @ SV8 ) )
                  | ~ ( ~ ( less @ SV3 @ SV8 )
                      | ( SV3 != SV8 ) ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[32]) ).

thf(40,plain,
    ! [SV4: $o] :
      ( ( ( ~ ~ ~ SV4 )
        = $true )
      | ( SV4 = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[33]) ).

thf(41,plain,
    ( ( ( ~ ~ ~ $true )
      = $true )
    | ( $true = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[34]) ).

thf(42,plain,
    ( ( ( ~ ~ ~ $false )
      = $true )
    | ( $false = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[35]) ).

thf(43,plain,
    ! [SV9: nat,SV5: nat] :
      ( ( ~ ( ( SV5 != SV9 ) )
        | ~ ~ ( more @ SV5 @ SV9 )
        | ( less @ SV5 @ SV9 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[36]) ).

thf(44,plain,
    ! [SV10: nat,SV6: nat,SV1: nat] :
      ( ( ~ ( more @ SV1 @ SV6 )
        | ( more @ ( pl @ SV1 @ SV10 ) @ ( pl @ SV6 @ SV10 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[37]) ).

thf(45,plain,
    ! [SV11: nat,SV7: nat,SV2: nat] :
      ( ( ( SV2 != SV7 )
        | ( ( pl @ SV2 @ SV11 )
          = ( pl @ SV7 @ SV11 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[38]) ).

thf(46,plain,
    ! [SV8: nat,SV3: nat] :
      ( ( ~ ( ( SV3 != SV8 )
            | ~ ( more @ SV3 @ SV8 ) )
        | ~ ~ ( ~ ( ~ ( more @ SV3 @ SV8 )
                  | ~ ( less @ SV3 @ SV8 ) )
              | ~ ( ~ ( less @ SV3 @ SV8 )
                  | ( SV3 != SV8 ) ) ) )
      = $false ),
    inference(extcnf_not_pos,[status(thm)],[39]) ).

thf(47,plain,
    ! [SV4: $o] :
      ( ( ( ~ ~ SV4 )
        = $false )
      | ( SV4 = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[40]) ).

thf(48,plain,
    ( ( ( ~ ~ $true )
      = $false )
    | ( $true = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[41]) ).

thf(49,plain,
    ( ( ( ~ ~ $false )
      = $false )
    | ( $false = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[42]) ).

thf(50,plain,
    ! [SV9: nat,SV5: nat] :
      ( ( ( ~ ( ( SV5 != SV9 ) ) )
        = $true )
      | ( ( ~ ~ ( more @ SV5 @ SV9 )
          | ( less @ SV5 @ SV9 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[43]) ).

thf(51,plain,
    ! [SV10: nat,SV6: nat,SV1: nat] :
      ( ( ( ~ ( more @ SV1 @ SV6 ) )
        = $true )
      | ( ( more @ ( pl @ SV1 @ SV10 ) @ ( pl @ SV6 @ SV10 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[44]) ).

thf(52,plain,
    ! [SV11: nat,SV7: nat,SV2: nat] :
      ( ( ( SV2 != SV7 )
        = $true )
      | ( ( ( pl @ SV2 @ SV11 )
          = ( pl @ SV7 @ SV11 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[45]) ).

thf(53,plain,
    ! [SV8: nat,SV3: nat] :
      ( ( ~ ( ( SV3 != SV8 )
            | ~ ( more @ SV3 @ SV8 ) ) )
      = $false ),
    inference(extcnf_or_neg,[status(thm)],[46]) ).

thf(54,plain,
    ! [SV8: nat,SV3: nat] :
      ( ( ~ ~ ( ~ ( ~ ( more @ SV3 @ SV8 )
                  | ~ ( less @ SV3 @ SV8 ) )
              | ~ ( ~ ( less @ SV3 @ SV8 )
                  | ( SV3 != SV8 ) ) ) )
      = $false ),
    inference(extcnf_or_neg,[status(thm)],[46]) ).

thf(55,plain,
    ! [SV4: $o] :
      ( ( ( ~ SV4 ) = $true )
      | ( SV4 = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[47]) ).

thf(56,plain,
    ( ( ( ~ $true ) = $true )
    | ( $true = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[48]) ).

thf(57,plain,
    ( ( ( ~ $false ) = $true )
    | ( $false = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[49]) ).

thf(58,plain,
    ! [SV9: nat,SV5: nat] :
      ( ( ( SV5 != SV9 )
        = $false )
      | ( ( ~ ~ ( more @ SV5 @ SV9 )
          | ( less @ SV5 @ SV9 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[50]) ).

thf(59,plain,
    ! [SV10: nat,SV6: nat,SV1: nat] :
      ( ( ( more @ SV1 @ SV6 )
        = $false )
      | ( ( more @ ( pl @ SV1 @ SV10 ) @ ( pl @ SV6 @ SV10 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[51]) ).

thf(60,plain,
    ! [SV11: nat,SV7: nat,SV2: nat] :
      ( ( ( SV2 = SV7 )
        = $false )
      | ( ( ( pl @ SV2 @ SV11 )
          = ( pl @ SV7 @ SV11 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[52]) ).

thf(61,plain,
    ! [SV8: nat,SV3: nat] :
      ( ( ( SV3 != SV8 )
        | ~ ( more @ SV3 @ SV8 ) )
      = $true ),
    inference(extcnf_not_neg,[status(thm)],[53]) ).

thf(62,plain,
    ! [SV8: nat,SV3: nat] :
      ( ( ~ ( ~ ( ~ ( more @ SV3 @ SV8 )
                | ~ ( less @ SV3 @ SV8 ) )
            | ~ ( ~ ( less @ SV3 @ SV8 )
                | ( SV3 != SV8 ) ) ) )
      = $true ),
    inference(extcnf_not_neg,[status(thm)],[54]) ).

thf(63,plain,
    ! [SV4: $o] :
      ( ( SV4 = $false )
      | ( SV4 = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[55]) ).

thf(64,plain,
    ( ( $true = $false )
    | ( $true = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[56]) ).

thf(65,plain,
    ( ( $false = $false )
    | ( $false = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[57]) ).

thf(66,plain,
    ! [SV9: nat,SV5: nat] :
      ( ( ( SV5 = SV9 )
        = $true )
      | ( ( ~ ~ ( more @ SV5 @ SV9 )
          | ( less @ SV5 @ SV9 ) )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[58]) ).

thf(67,plain,
    ! [SV8: nat,SV3: nat] :
      ( ( ( SV3 != SV8 )
        = $true )
      | ( ( ~ ( more @ SV3 @ SV8 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[61]) ).

thf(68,plain,
    ! [SV8: nat,SV3: nat] :
      ( ( ~ ( ~ ( more @ SV3 @ SV8 )
            | ~ ( less @ SV3 @ SV8 ) )
        | ~ ( ~ ( less @ SV3 @ SV8 )
            | ( SV3 != SV8 ) ) )
      = $false ),
    inference(extcnf_not_pos,[status(thm)],[62]) ).

thf(69,plain,
    ! [SV9: nat,SV5: nat] :
      ( ( ( ~ ~ ( more @ SV5 @ SV9 ) )
        = $true )
      | ( ( less @ SV5 @ SV9 )
        = $true )
      | ( ( SV5 = SV9 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[66]) ).

thf(70,plain,
    ! [SV8: nat,SV3: nat] :
      ( ( ( SV3 = SV8 )
        = $false )
      | ( ( ~ ( more @ SV3 @ SV8 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[67]) ).

thf(71,plain,
    ! [SV8: nat,SV3: nat] :
      ( ( ~ ( ~ ( more @ SV3 @ SV8 )
            | ~ ( less @ SV3 @ SV8 ) ) )
      = $false ),
    inference(extcnf_or_neg,[status(thm)],[68]) ).

thf(72,plain,
    ! [SV8: nat,SV3: nat] :
      ( ( ~ ( ~ ( less @ SV3 @ SV8 )
            | ( SV3 != SV8 ) ) )
      = $false ),
    inference(extcnf_or_neg,[status(thm)],[68]) ).

thf(73,plain,
    ! [SV9: nat,SV5: nat] :
      ( ( ( ~ ( more @ SV5 @ SV9 ) )
        = $false )
      | ( ( less @ SV5 @ SV9 )
        = $true )
      | ( ( SV5 = SV9 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[69]) ).

thf(74,plain,
    ! [SV8: nat,SV3: nat] :
      ( ( ( more @ SV3 @ SV8 )
        = $false )
      | ( ( SV3 = SV8 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[70]) ).

thf(75,plain,
    ! [SV8: nat,SV3: nat] :
      ( ( ~ ( more @ SV3 @ SV8 )
        | ~ ( less @ SV3 @ SV8 ) )
      = $true ),
    inference(extcnf_not_neg,[status(thm)],[71]) ).

thf(76,plain,
    ! [SV8: nat,SV3: nat] :
      ( ( ~ ( less @ SV3 @ SV8 )
        | ( SV3 != SV8 ) )
      = $true ),
    inference(extcnf_not_neg,[status(thm)],[72]) ).

thf(77,plain,
    ! [SV9: nat,SV5: nat] :
      ( ( ( more @ SV5 @ SV9 )
        = $true )
      | ( ( less @ SV5 @ SV9 )
        = $true )
      | ( ( SV5 = SV9 )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[73]) ).

thf(78,plain,
    ! [SV8: nat,SV3: nat] :
      ( ( ( ~ ( more @ SV3 @ SV8 ) )
        = $true )
      | ( ( ~ ( less @ SV3 @ SV8 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[75]) ).

thf(79,plain,
    ! [SV8: nat,SV3: nat] :
      ( ( ( ~ ( less @ SV3 @ SV8 ) )
        = $true )
      | ( ( SV3 != SV8 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[76]) ).

thf(80,plain,
    ! [SV8: nat,SV3: nat] :
      ( ( ( more @ SV3 @ SV8 )
        = $false )
      | ( ( ~ ( less @ SV3 @ SV8 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[78]) ).

thf(81,plain,
    ! [SV8: nat,SV3: nat] :
      ( ( ( less @ SV3 @ SV8 )
        = $false )
      | ( ( SV3 != SV8 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[79]) ).

thf(82,plain,
    ! [SV8: nat,SV3: nat] :
      ( ( ( less @ SV3 @ SV8 )
        = $false )
      | ( ( more @ SV3 @ SV8 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[80]) ).

thf(83,plain,
    ! [SV8: nat,SV3: nat] :
      ( ( ( SV3 = SV8 )
        = $false )
      | ( ( less @ SV3 @ SV8 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[81]) ).

thf(84,plain,
    $false = $true,
    inference(fo_atp_e,[status(thm)],[17,83,82,77,74,65,64,63,60,59,29]) ).

thf(85,plain,
    $false,
    inference(solved_all_splits,[solved_all_splits(join,[])],[84]) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.03  % Problem  : NUM682^1 : TPTP v9.3.1. Released v3.7.0.
% 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
% 0.10/0.17  % Computer : n002.cluster.edu
% 0.10/0.17  % Model    : x86_64 x86_64
% 0.10/0.17  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.10/0.17  % Memory   : 8046.5625MB
% 0.10/0.17  % OS       : Linux 6.8.0-71-generic
% 0.10/0.17  % CPULimit : 300
% 0.10/0.17  % WCLimit  : 300
% 0.10/0.17  % DateTime : Tue Oct  6 13:36:57 UTC 2026
% 0.10/0.18  % CPUTime  : 
% 0.10/0.18  Running leo --cores 7 --timeout 300 --proofoutput 1 --foatp e --atp e=/export/starexec/sandbox2/solver/bin/eprover /export/starexec/sandbox2/benchmark/theBenchmark.p
% 0.10/0.23  
% 0.10/0.23   No.of.Axioms: 6
% 0.10/0.23  
% 0.10/0.23   Length.of.Defs: 0
% 0.10/0.23  
% 0.10/0.23   Contains.Choice.Funs: false
% 0.10/0.23  .
% 0.10/0.23  
% 0.10/0.23  ********************************
% 0.10/0.23  *   All subproblems solved!    *
% 0.10/0.23  ********************************
% 0.10/0.23  % SZS status Theorem for /export/starexec/sandbox2/benchmark/theBenchmark.p : (rf:0,axioms:6,ps:3,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:84,loop_count:0,foatp_calls:1,translation:fof_full)
% 0.10/0.23  
% 0.10/0.23  %**** Beginning of derivation protocol ****
% 0.10/0.23  % SZS output start CNFRefutation
% See solution above
% 0.10/0.23  
% 0.10/0.23  %**** End of derivation protocol ****
% 0.10/0.23  %**** no. of clauses in derivation: 85 ****
% 0.10/0.23  %**** clause counter: 84 ****
% 0.10/0.23  
% 0.10/0.23  % SZS status Theorem for /export/starexec/sandbox2/benchmark/theBenchmark.p : (rf:0,axioms:6,ps:3,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:84,loop_count:0,foatp_calls:1,translation:fof_full)
%------------------------------------------------------------------------------