TSTP Solution File: SEU160+3 by LEO-II---1.7.0

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : LEO-II---1.7.0
% Problem  : SEU160+3 : TPTP v8.1.0. Released v3.2.0.
% Transfm  : none
% Format   : tptp
% Command  : leo --timeout %d --proofoutput 1 --foatp e --atp e=./eprover %s

% Computer : n032.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 : Tue Jul 19 12:07:22 EDT 2022

% Result   : Theorem 0.15s 0.36s
% Output   : CNFRefutation 0.15s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   18
%            Number of leaves      :   14
% Syntax   : Number of formulae    :  121 (  94 unt;   8 typ;   0 def)
%            Number of atoms       :  519 ( 273 equ;   0 cnn)
%            Maximal formula atoms :    3 (   4 avg)
%            Number of connectives :  713 ( 168   ~; 133   |;  12   &; 389   @)
%                                         (   7 <=>;   4  =>;   0  <=;   0 <~>)
%            Maximal formula depth :    6 (   2 avg)
%            Number of types       :    2 (   0 usr)
%            Number of type conns  :    4 (   4   >;   0   *;   0   +;   0  <<)
%            Number of symbols     :   11 (   8 usr;   7 con; 0-2 aty)
%            Number of variables   :  166 (   0   ^ 162   !;   4   ?; 166   :)

% Comments : 
%------------------------------------------------------------------------------
thf(tp_empty,type,
    empty: $i > $o ).

thf(tp_empty_set,type,
    empty_set: $i ).

thf(tp_sK1_A,type,
    sK1_A: $i ).

thf(tp_sK2_SY8,type,
    sK2_SY8: $i ).

thf(tp_sK3_A,type,
    sK3_A: $i ).

thf(tp_sK4_A,type,
    sK4_A: $i ).

thf(tp_singleton,type,
    singleton: $i > $i ).

thf(tp_subset,type,
    subset: $i > $i > $o ).

thf(1,axiom,
    ! [A: $i,B: $i] :
      ( ( subset @ A @ ( singleton @ B ) )
    <=> ( ( A = empty_set )
        | ( A
          = ( singleton @ B ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',l4_zfmisc_1) ).

thf(2,axiom,
    ? [A: $i] :
      ~ ( empty @ A ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',rc2_xboole_0) ).

thf(3,axiom,
    ? [A: $i] : ( empty @ A ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',rc1_xboole_0) ).

thf(4,axiom,
    empty @ empty_set,
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',fc1_xboole_0) ).

thf(5,axiom,
    ! [A: $i,B: $i] : ( subset @ A @ A ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',reflexivity_r1_tarski) ).

thf(6,conjecture,
    ! [A: $i,B: $i] :
      ( ( subset @ A @ ( singleton @ B ) )
    <=> ( ( A = empty_set )
        | ( A
          = ( singleton @ B ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',t39_zfmisc_1) ).

thf(7,negated_conjecture,
    ( ( ! [A: $i,B: $i] :
          ( ( subset @ A @ ( singleton @ B ) )
        <=> ( ( A = empty_set )
            | ( A
              = ( singleton @ B ) ) ) ) )
    = $false ),
    inference(negate_conjecture,[status(cth)],[6]) ).

thf(8,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( subset @ A @ ( singleton @ B ) )
        <=> ( ( A = empty_set )
            | ( A
              = ( singleton @ B ) ) ) ) )
    = $false ),
    inference(unfold_def,[status(thm)],[7]) ).

thf(9,plain,
    ( ( ! [A: $i,B: $i] :
          ( ( subset @ A @ ( singleton @ B ) )
        <=> ( ( A = empty_set )
            | ( A
              = ( singleton @ B ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[1]) ).

thf(10,plain,
    ( ( ? [A: $i] :
          ~ ( empty @ A ) )
    = $true ),
    inference(unfold_def,[status(thm)],[2]) ).

thf(11,plain,
    ( ( ? [A: $i] : ( empty @ A ) )
    = $true ),
    inference(unfold_def,[status(thm)],[3]) ).

thf(12,plain,
    ( ( empty @ empty_set )
    = $true ),
    inference(unfold_def,[status(thm)],[4]) ).

thf(13,plain,
    ( ( ! [A: $i,B: $i] : ( subset @ A @ A ) )
    = $true ),
    inference(unfold_def,[status(thm)],[5]) ).

thf(14,plain,
    ( ( ! [SY8: $i] :
          ( ( subset @ sK1_A @ ( singleton @ SY8 ) )
        <=> ( ( sK1_A = empty_set )
            | ( sK1_A
              = ( singleton @ SY8 ) ) ) ) )
    = $false ),
    inference(extcnf_forall_neg,[status(esa)],[8]) ).

thf(15,plain,
    ( ( ( subset @ sK1_A @ ( singleton @ sK2_SY8 ) )
    <=> ( ( sK1_A = empty_set )
        | ( sK1_A
          = ( singleton @ sK2_SY8 ) ) ) )
    = $false ),
    inference(extcnf_forall_neg,[status(esa)],[14]) ).

thf(16,plain,
    ( ( ( subset @ sK1_A @ ( singleton @ sK2_SY8 ) )
     => ( ( sK1_A = empty_set )
        | ( sK1_A
          = ( singleton @ sK2_SY8 ) ) ) )
    = $false ),
    inference(split_conjecture,[split_conjecture(split,[])],[15]) ).

thf(17,plain,
    ( ( ( ( sK1_A = empty_set )
        | ( sK1_A
          = ( singleton @ sK2_SY8 ) ) )
     => ( subset @ sK1_A @ ( singleton @ sK2_SY8 ) ) )
    = $false ),
    inference(split_conjecture,[split_conjecture(split,[])],[15]) ).

thf(18,plain,
    ( ( ~ ( ( subset @ sK1_A @ ( singleton @ sK2_SY8 ) )
         => ( ( sK1_A = empty_set )
            | ( sK1_A
              = ( singleton @ sK2_SY8 ) ) ) ) )
    = $true ),
    inference(polarity_switch,[status(thm)],[16]) ).

thf(19,plain,
    ( ( ~ ( ( ( sK1_A = empty_set )
            | ( sK1_A
              = ( singleton @ sK2_SY8 ) ) )
         => ( subset @ sK1_A @ ( singleton @ sK2_SY8 ) ) ) )
    = $true ),
    inference(polarity_switch,[status(thm)],[17]) ).

thf(20,plain,
    ( ( ( subset @ sK1_A @ ( singleton @ sK2_SY8 ) )
      & ( sK1_A != empty_set )
      & ( sK1_A
       != ( singleton @ sK2_SY8 ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[18]) ).

thf(21,plain,
    ( ( ( ( sK1_A = empty_set )
        | ( sK1_A
          = ( singleton @ sK2_SY8 ) ) )
      & ~ ( subset @ sK1_A @ ( singleton @ sK2_SY8 ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[19]) ).

thf(22,plain,
    ( ( ! [A: $i,B: $i] :
          ( ~ ( subset @ A @ ( singleton @ B ) )
          | ( A = empty_set )
          | ( A
            = ( singleton @ B ) ) )
      & ! [A: $i] :
          ( ( A != empty_set )
          | ! [B: $i] : ( subset @ A @ ( singleton @ B ) ) )
      & ! [A: $i,B: $i] :
          ( ( A
           != ( singleton @ B ) )
          | ( subset @ A @ ( singleton @ B ) ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[9]) ).

thf(23,plain,
    ( ( ~ ( empty @ sK3_A ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[10]) ).

thf(24,plain,
    ( ( empty @ sK4_A )
    = $true ),
    inference(extcnf_combined,[status(esa)],[11]) ).

thf(25,plain,
    ( ( ! [A: $i] : ( subset @ A @ A ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[13]) ).

thf(26,plain,
    ( ( ! [A: $i] : ( subset @ A @ A ) )
    = $true ),
    inference(copy,[status(thm)],[25]) ).

thf(27,plain,
    ( ( empty @ empty_set )
    = $true ),
    inference(copy,[status(thm)],[12]) ).

thf(28,plain,
    ( ( empty @ sK4_A )
    = $true ),
    inference(copy,[status(thm)],[24]) ).

thf(29,plain,
    ( ( ~ ( empty @ sK3_A ) )
    = $true ),
    inference(copy,[status(thm)],[23]) ).

thf(30,plain,
    ( ( ! [A: $i,B: $i] :
          ( ~ ( subset @ A @ ( singleton @ B ) )
          | ( A = empty_set )
          | ( A
            = ( singleton @ B ) ) )
      & ! [A: $i] :
          ( ( A != empty_set )
          | ! [B: $i] : ( subset @ A @ ( singleton @ B ) ) )
      & ! [A: $i,B: $i] :
          ( ( A
           != ( singleton @ B ) )
          | ( subset @ A @ ( singleton @ B ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[22]) ).

thf(31,plain,
    ( ( ( subset @ sK1_A @ ( singleton @ sK2_SY8 ) )
      & ( sK1_A != empty_set )
      & ( sK1_A
       != ( singleton @ sK2_SY8 ) ) )
    = $true ),
    inference(copy,[status(thm)],[20]) ).

thf(32,plain,
    ( ( ~ ( ~ ( subset @ sK1_A @ ( singleton @ sK2_SY8 ) )
          | ~ ~ ( ~ ( ( sK1_A != empty_set ) )
                | ~ ( ( sK1_A
                     != ( singleton @ sK2_SY8 ) ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[31]) ).

thf(33,plain,
    ( ( ~ ( ~ ! [SX0: $i,SX1: $i] :
                ( ~ ( subset @ SX0 @ ( singleton @ SX1 ) )
                | ( SX0 = empty_set )
                | ( SX0
                  = ( singleton @ SX1 ) ) )
          | ~ ~ ( ~ ! [SX0: $i] :
                      ( ( SX0 != empty_set )
                      | ! [SX1: $i] : ( subset @ SX0 @ ( singleton @ SX1 ) ) )
                | ~ ! [SX0: $i,SX1: $i] :
                      ( ( SX0
                       != ( singleton @ SX1 ) )
                      | ( subset @ SX0 @ ( singleton @ SX1 ) ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[30]) ).

thf(34,plain,
    ! [SV1: $i] :
      ( ( subset @ SV1 @ SV1 )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[26]) ).

thf(35,plain,
    ( ( empty @ sK3_A )
    = $false ),
    inference(extcnf_not_pos,[status(thm)],[29]) ).

thf(36,plain,
    ( ( ~ ( subset @ sK1_A @ ( singleton @ sK2_SY8 ) )
      | ~ ~ ( ~ ( ( sK1_A != empty_set ) )
            | ~ ( ( sK1_A
                 != ( singleton @ sK2_SY8 ) ) ) ) )
    = $false ),
    inference(extcnf_not_pos,[status(thm)],[32]) ).

thf(37,plain,
    ( ( ~ ! [SX0: $i,SX1: $i] :
            ( ~ ( subset @ SX0 @ ( singleton @ SX1 ) )
            | ( SX0 = empty_set )
            | ( SX0
              = ( singleton @ SX1 ) ) )
      | ~ ~ ( ~ ! [SX0: $i] :
                  ( ( SX0 != empty_set )
                  | ! [SX1: $i] : ( subset @ SX0 @ ( singleton @ SX1 ) ) )
            | ~ ! [SX0: $i,SX1: $i] :
                  ( ( SX0
                   != ( singleton @ SX1 ) )
                  | ( subset @ SX0 @ ( singleton @ SX1 ) ) ) ) )
    = $false ),
    inference(extcnf_not_pos,[status(thm)],[33]) ).

thf(38,plain,
    ( ( ~ ( subset @ sK1_A @ ( singleton @ sK2_SY8 ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[36]) ).

thf(39,plain,
    ( ( ~ ~ ( ~ ( ( sK1_A != empty_set ) )
            | ~ ( ( sK1_A
                 != ( singleton @ sK2_SY8 ) ) ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[36]) ).

thf(40,plain,
    ( ( ~ ! [SX0: $i,SX1: $i] :
            ( ~ ( subset @ SX0 @ ( singleton @ SX1 ) )
            | ( SX0 = empty_set )
            | ( SX0
              = ( singleton @ SX1 ) ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[37]) ).

thf(41,plain,
    ( ( ~ ~ ( ~ ! [SX0: $i] :
                  ( ( SX0 != empty_set )
                  | ! [SX1: $i] : ( subset @ SX0 @ ( singleton @ SX1 ) ) )
            | ~ ! [SX0: $i,SX1: $i] :
                  ( ( SX0
                   != ( singleton @ SX1 ) )
                  | ( subset @ SX0 @ ( singleton @ SX1 ) ) ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[37]) ).

thf(42,plain,
    ( ( subset @ sK1_A @ ( singleton @ sK2_SY8 ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[38]) ).

thf(43,plain,
    ( ( ~ ( ~ ( ( sK1_A != empty_set ) )
          | ~ ( ( sK1_A
               != ( singleton @ sK2_SY8 ) ) ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[39]) ).

thf(44,plain,
    ( ( ! [SX0: $i,SX1: $i] :
          ( ~ ( subset @ SX0 @ ( singleton @ SX1 ) )
          | ( SX0 = empty_set )
          | ( SX0
            = ( singleton @ SX1 ) ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[40]) ).

thf(45,plain,
    ( ( ~ ( ~ ! [SX0: $i] :
                ( ( SX0 != empty_set )
                | ! [SX1: $i] : ( subset @ SX0 @ ( singleton @ SX1 ) ) )
          | ~ ! [SX0: $i,SX1: $i] :
                ( ( SX0
                 != ( singleton @ SX1 ) )
                | ( subset @ SX0 @ ( singleton @ SX1 ) ) ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[41]) ).

thf(46,plain,
    ( ( ~ ( ( sK1_A != empty_set ) )
      | ~ ( ( sK1_A
           != ( singleton @ sK2_SY8 ) ) ) )
    = $false ),
    inference(extcnf_not_pos,[status(thm)],[43]) ).

thf(47,plain,
    ! [SV2: $i] :
      ( ( ! [SY9: $i] :
            ( ~ ( subset @ SV2 @ ( singleton @ SY9 ) )
            | ( SV2 = empty_set )
            | ( SV2
              = ( singleton @ SY9 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[44]) ).

thf(48,plain,
    ( ( ~ ! [SX0: $i] :
            ( ( SX0 != empty_set )
            | ! [SX1: $i] : ( subset @ SX0 @ ( singleton @ SX1 ) ) )
      | ~ ! [SX0: $i,SX1: $i] :
            ( ( SX0
             != ( singleton @ SX1 ) )
            | ( subset @ SX0 @ ( singleton @ SX1 ) ) ) )
    = $false ),
    inference(extcnf_not_pos,[status(thm)],[45]) ).

thf(49,plain,
    ( ( ~ ( ( sK1_A != empty_set ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[46]) ).

thf(50,plain,
    ( ( ~ ( ( sK1_A
           != ( singleton @ sK2_SY8 ) ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[46]) ).

thf(51,plain,
    ! [SV3: $i,SV2: $i] :
      ( ( ~ ( subset @ SV2 @ ( singleton @ SV3 ) )
        | ( SV2 = empty_set )
        | ( SV2
          = ( singleton @ SV3 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[47]) ).

thf(52,plain,
    ( ( ~ ! [SX0: $i] :
            ( ( SX0 != empty_set )
            | ! [SX1: $i] : ( subset @ SX0 @ ( singleton @ SX1 ) ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[48]) ).

thf(53,plain,
    ( ( ~ ! [SX0: $i,SX1: $i] :
            ( ( SX0
             != ( singleton @ SX1 ) )
            | ( subset @ SX0 @ ( singleton @ SX1 ) ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[48]) ).

thf(54,plain,
    ( ( ( sK1_A != empty_set ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[49]) ).

thf(55,plain,
    ( ( ( sK1_A
       != ( singleton @ sK2_SY8 ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[50]) ).

thf(56,plain,
    ! [SV3: $i,SV2: $i] :
      ( ( ( ~ ( subset @ SV2 @ ( singleton @ SV3 ) ) )
        = $true )
      | ( ( ( SV2 = empty_set )
          | ( SV2
            = ( singleton @ SV3 ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[51]) ).

thf(57,plain,
    ( ( ! [SX0: $i] :
          ( ( SX0 != empty_set )
          | ! [SX1: $i] : ( subset @ SX0 @ ( singleton @ SX1 ) ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[52]) ).

thf(58,plain,
    ( ( ! [SX0: $i,SX1: $i] :
          ( ( SX0
           != ( singleton @ SX1 ) )
          | ( subset @ SX0 @ ( singleton @ SX1 ) ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[53]) ).

thf(59,plain,
    ( ( sK1_A = empty_set )
    = $false ),
    inference(extcnf_not_pos,[status(thm)],[54]) ).

thf(60,plain,
    ( ( sK1_A
      = ( singleton @ sK2_SY8 ) )
    = $false ),
    inference(extcnf_not_pos,[status(thm)],[55]) ).

thf(61,plain,
    ! [SV3: $i,SV2: $i] :
      ( ( ( subset @ SV2 @ ( singleton @ SV3 ) )
        = $false )
      | ( ( ( SV2 = empty_set )
          | ( SV2
            = ( singleton @ SV3 ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[56]) ).

thf(62,plain,
    ! [SV4: $i] :
      ( ( ( SV4 != empty_set )
        | ! [SY10: $i] : ( subset @ SV4 @ ( singleton @ SY10 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[57]) ).

thf(63,plain,
    ! [SV5: $i] :
      ( ( ! [SY11: $i] :
            ( ( SV5
             != ( singleton @ SY11 ) )
            | ( subset @ SV5 @ ( singleton @ SY11 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[58]) ).

thf(64,plain,
    ! [SV3: $i,SV2: $i] :
      ( ( ( SV2 = empty_set )
        = $true )
      | ( ( SV2
          = ( singleton @ SV3 ) )
        = $true )
      | ( ( subset @ SV2 @ ( singleton @ SV3 ) )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[61]) ).

thf(65,plain,
    ! [SV4: $i] :
      ( ( ( ( SV4 != empty_set ) )
        = $true )
      | ( ( ! [SY10: $i] : ( subset @ SV4 @ ( singleton @ SY10 ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[62]) ).

thf(66,plain,
    ! [SV6: $i,SV5: $i] :
      ( ( ( SV5
         != ( singleton @ SV6 ) )
        | ( subset @ SV5 @ ( singleton @ SV6 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[63]) ).

thf(67,plain,
    ! [SV4: $i] :
      ( ( ( SV4 = empty_set )
        = $false )
      | ( ( ! [SY10: $i] : ( subset @ SV4 @ ( singleton @ SY10 ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[65]) ).

thf(68,plain,
    ! [SV6: $i,SV5: $i] :
      ( ( ( ( SV5
           != ( singleton @ SV6 ) ) )
        = $true )
      | ( ( subset @ SV5 @ ( singleton @ SV6 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[66]) ).

thf(69,plain,
    ! [SV7: $i,SV4: $i] :
      ( ( ( subset @ SV4 @ ( singleton @ SV7 ) )
        = $true )
      | ( ( SV4 = empty_set )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[67]) ).

thf(70,plain,
    ! [SV6: $i,SV5: $i] :
      ( ( ( SV5
          = ( singleton @ SV6 ) )
        = $false )
      | ( ( subset @ SV5 @ ( singleton @ SV6 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[68]) ).

thf(71,plain,
    $false = $true,
    inference(fo_atp_e,[status(thm)],[27,70,69,64,60,59,42,35,34,28]) ).

thf(72,plain,
    ( ( ! [A: $i] : ( subset @ A @ A ) )
    = $true ),
    inference(copy,[status(thm)],[25]) ).

thf(73,plain,
    ( ( empty @ empty_set )
    = $true ),
    inference(copy,[status(thm)],[12]) ).

thf(74,plain,
    ( ( empty @ sK4_A )
    = $true ),
    inference(copy,[status(thm)],[24]) ).

thf(75,plain,
    ( ( ~ ( empty @ sK3_A ) )
    = $true ),
    inference(copy,[status(thm)],[23]) ).

thf(76,plain,
    ( ( ! [A: $i,B: $i] :
          ( ~ ( subset @ A @ ( singleton @ B ) )
          | ( A = empty_set )
          | ( A
            = ( singleton @ B ) ) )
      & ! [A: $i] :
          ( ( A != empty_set )
          | ! [B: $i] : ( subset @ A @ ( singleton @ B ) ) )
      & ! [A: $i,B: $i] :
          ( ( A
           != ( singleton @ B ) )
          | ( subset @ A @ ( singleton @ B ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[22]) ).

thf(77,plain,
    ( ( ( ( sK1_A = empty_set )
        | ( sK1_A
          = ( singleton @ sK2_SY8 ) ) )
      & ~ ( subset @ sK1_A @ ( singleton @ sK2_SY8 ) ) )
    = $true ),
    inference(copy,[status(thm)],[21]) ).

thf(78,plain,
    ( ( ~ ( ~ ! [SX0: $i,SX1: $i] :
                ( ~ ( subset @ SX0 @ ( singleton @ SX1 ) )
                | ( SX0 = empty_set )
                | ( SX0
                  = ( singleton @ SX1 ) ) )
          | ~ ~ ( ~ ! [SX0: $i] :
                      ( ( SX0 != empty_set )
                      | ! [SX1: $i] : ( subset @ SX0 @ ( singleton @ SX1 ) ) )
                | ~ ! [SX0: $i,SX1: $i] :
                      ( ( SX0
                       != ( singleton @ SX1 ) )
                      | ( subset @ SX0 @ ( singleton @ SX1 ) ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[76]) ).

thf(79,plain,
    ( ( ~ ( ~ ( ( sK1_A = empty_set )
              | ( sK1_A
                = ( singleton @ sK2_SY8 ) ) )
          | ~ ~ ( subset @ sK1_A @ ( singleton @ sK2_SY8 ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[77]) ).

thf(80,plain,
    ! [SV8: $i] :
      ( ( subset @ SV8 @ SV8 )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[72]) ).

thf(81,plain,
    ( ( empty @ sK3_A )
    = $false ),
    inference(extcnf_not_pos,[status(thm)],[75]) ).

thf(82,plain,
    ( ( ~ ! [SX0: $i,SX1: $i] :
            ( ~ ( subset @ SX0 @ ( singleton @ SX1 ) )
            | ( SX0 = empty_set )
            | ( SX0
              = ( singleton @ SX1 ) ) )
      | ~ ~ ( ~ ! [SX0: $i] :
                  ( ( SX0 != empty_set )
                  | ! [SX1: $i] : ( subset @ SX0 @ ( singleton @ SX1 ) ) )
            | ~ ! [SX0: $i,SX1: $i] :
                  ( ( SX0
                   != ( singleton @ SX1 ) )
                  | ( subset @ SX0 @ ( singleton @ SX1 ) ) ) ) )
    = $false ),
    inference(extcnf_not_pos,[status(thm)],[78]) ).

thf(83,plain,
    ( ( ~ ( ( sK1_A = empty_set )
          | ( sK1_A
            = ( singleton @ sK2_SY8 ) ) )
      | ~ ~ ( subset @ sK1_A @ ( singleton @ sK2_SY8 ) ) )
    = $false ),
    inference(extcnf_not_pos,[status(thm)],[79]) ).

thf(84,plain,
    ( ( ~ ! [SX0: $i,SX1: $i] :
            ( ~ ( subset @ SX0 @ ( singleton @ SX1 ) )
            | ( SX0 = empty_set )
            | ( SX0
              = ( singleton @ SX1 ) ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[82]) ).

thf(85,plain,
    ( ( ~ ~ ( ~ ! [SX0: $i] :
                  ( ( SX0 != empty_set )
                  | ! [SX1: $i] : ( subset @ SX0 @ ( singleton @ SX1 ) ) )
            | ~ ! [SX0: $i,SX1: $i] :
                  ( ( SX0
                   != ( singleton @ SX1 ) )
                  | ( subset @ SX0 @ ( singleton @ SX1 ) ) ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[82]) ).

thf(86,plain,
    ( ( ~ ( ( sK1_A = empty_set )
          | ( sK1_A
            = ( singleton @ sK2_SY8 ) ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[83]) ).

thf(87,plain,
    ( ( ~ ~ ( subset @ sK1_A @ ( singleton @ sK2_SY8 ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[83]) ).

thf(88,plain,
    ( ( ! [SX0: $i,SX1: $i] :
          ( ~ ( subset @ SX0 @ ( singleton @ SX1 ) )
          | ( SX0 = empty_set )
          | ( SX0
            = ( singleton @ SX1 ) ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[84]) ).

thf(89,plain,
    ( ( ~ ( ~ ! [SX0: $i] :
                ( ( SX0 != empty_set )
                | ! [SX1: $i] : ( subset @ SX0 @ ( singleton @ SX1 ) ) )
          | ~ ! [SX0: $i,SX1: $i] :
                ( ( SX0
                 != ( singleton @ SX1 ) )
                | ( subset @ SX0 @ ( singleton @ SX1 ) ) ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[85]) ).

thf(90,plain,
    ( ( ( sK1_A = empty_set )
      | ( sK1_A
        = ( singleton @ sK2_SY8 ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[86]) ).

thf(91,plain,
    ( ( ~ ( subset @ sK1_A @ ( singleton @ sK2_SY8 ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[87]) ).

thf(92,plain,
    ! [SV9: $i] :
      ( ( ! [SY12: $i] :
            ( ~ ( subset @ SV9 @ ( singleton @ SY12 ) )
            | ( SV9 = empty_set )
            | ( SV9
              = ( singleton @ SY12 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[88]) ).

thf(93,plain,
    ( ( ~ ! [SX0: $i] :
            ( ( SX0 != empty_set )
            | ! [SX1: $i] : ( subset @ SX0 @ ( singleton @ SX1 ) ) )
      | ~ ! [SX0: $i,SX1: $i] :
            ( ( SX0
             != ( singleton @ SX1 ) )
            | ( subset @ SX0 @ ( singleton @ SX1 ) ) ) )
    = $false ),
    inference(extcnf_not_pos,[status(thm)],[89]) ).

thf(94,plain,
    ( ( ( sK1_A = empty_set )
      = $true )
    | ( ( sK1_A
        = ( singleton @ sK2_SY8 ) )
      = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[90]) ).

thf(95,plain,
    ( ( subset @ sK1_A @ ( singleton @ sK2_SY8 ) )
    = $false ),
    inference(extcnf_not_pos,[status(thm)],[91]) ).

thf(96,plain,
    ! [SV10: $i,SV9: $i] :
      ( ( ~ ( subset @ SV9 @ ( singleton @ SV10 ) )
        | ( SV9 = empty_set )
        | ( SV9
          = ( singleton @ SV10 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[92]) ).

thf(97,plain,
    ( ( ~ ! [SX0: $i] :
            ( ( SX0 != empty_set )
            | ! [SX1: $i] : ( subset @ SX0 @ ( singleton @ SX1 ) ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[93]) ).

thf(98,plain,
    ( ( ~ ! [SX0: $i,SX1: $i] :
            ( ( SX0
             != ( singleton @ SX1 ) )
            | ( subset @ SX0 @ ( singleton @ SX1 ) ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[93]) ).

thf(99,plain,
    ! [SV10: $i,SV9: $i] :
      ( ( ( ~ ( subset @ SV9 @ ( singleton @ SV10 ) ) )
        = $true )
      | ( ( ( SV9 = empty_set )
          | ( SV9
            = ( singleton @ SV10 ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[96]) ).

thf(100,plain,
    ( ( ! [SX0: $i] :
          ( ( SX0 != empty_set )
          | ! [SX1: $i] : ( subset @ SX0 @ ( singleton @ SX1 ) ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[97]) ).

thf(101,plain,
    ( ( ! [SX0: $i,SX1: $i] :
          ( ( SX0
           != ( singleton @ SX1 ) )
          | ( subset @ SX0 @ ( singleton @ SX1 ) ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[98]) ).

thf(102,plain,
    ! [SV10: $i,SV9: $i] :
      ( ( ( subset @ SV9 @ ( singleton @ SV10 ) )
        = $false )
      | ( ( ( SV9 = empty_set )
          | ( SV9
            = ( singleton @ SV10 ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[99]) ).

thf(103,plain,
    ! [SV11: $i] :
      ( ( ( SV11 != empty_set )
        | ! [SY13: $i] : ( subset @ SV11 @ ( singleton @ SY13 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[100]) ).

thf(104,plain,
    ! [SV12: $i] :
      ( ( ! [SY14: $i] :
            ( ( SV12
             != ( singleton @ SY14 ) )
            | ( subset @ SV12 @ ( singleton @ SY14 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[101]) ).

thf(105,plain,
    ! [SV10: $i,SV9: $i] :
      ( ( ( SV9 = empty_set )
        = $true )
      | ( ( SV9
          = ( singleton @ SV10 ) )
        = $true )
      | ( ( subset @ SV9 @ ( singleton @ SV10 ) )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[102]) ).

thf(106,plain,
    ! [SV11: $i] :
      ( ( ( ( SV11 != empty_set ) )
        = $true )
      | ( ( ! [SY13: $i] : ( subset @ SV11 @ ( singleton @ SY13 ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[103]) ).

thf(107,plain,
    ! [SV13: $i,SV12: $i] :
      ( ( ( SV12
         != ( singleton @ SV13 ) )
        | ( subset @ SV12 @ ( singleton @ SV13 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[104]) ).

thf(108,plain,
    ! [SV11: $i] :
      ( ( ( SV11 = empty_set )
        = $false )
      | ( ( ! [SY13: $i] : ( subset @ SV11 @ ( singleton @ SY13 ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[106]) ).

thf(109,plain,
    ! [SV13: $i,SV12: $i] :
      ( ( ( ( SV12
           != ( singleton @ SV13 ) ) )
        = $true )
      | ( ( subset @ SV12 @ ( singleton @ SV13 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[107]) ).

thf(110,plain,
    ! [SV14: $i,SV11: $i] :
      ( ( ( subset @ SV11 @ ( singleton @ SV14 ) )
        = $true )
      | ( ( SV11 = empty_set )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[108]) ).

thf(111,plain,
    ! [SV13: $i,SV12: $i] :
      ( ( ( SV12
          = ( singleton @ SV13 ) )
        = $false )
      | ( ( subset @ SV12 @ ( singleton @ SV13 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[109]) ).

thf(112,plain,
    $false = $true,
    inference(fo_atp_e,[status(thm)],[73,111,110,105,95,94,81,80,74]) ).

thf(113,plain,
    $false,
    inference(solved_all_splits,[solved_all_splits(join,[])],[112,71]) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.10  % Problem  : SEU160+3 : TPTP v8.1.0. Released v3.2.0.
% 0.00/0.10  % Command  : leo --timeout %d --proofoutput 1 --foatp e --atp e=./eprover %s
% 0.10/0.29  % Computer : n032.cluster.edu
% 0.10/0.29  % Model    : x86_64 x86_64
% 0.10/0.29  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.10/0.29  % Memory   : 8042.1875MB
% 0.10/0.29  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.10/0.29  % CPULimit : 300
% 0.10/0.29  % WCLimit  : 600
% 0.10/0.29  % DateTime : Sun Jun 19 07:51:17 EDT 2022
% 0.10/0.29  % CPUTime  : 
% 0.10/0.30  
% 0.10/0.30   No.of.Axioms: 5
% 0.10/0.30  
% 0.10/0.30   Length.of.Defs: 0
% 0.10/0.30  
% 0.10/0.30   Contains.Choice.Funs: false
% 0.10/0.30  (rf:0,axioms:5,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:600,atp_calls_frequency:10,ordering:none,proof_output:1,protocol_output:false,clause_count:7,loop_count:0,foatp_calls:0,translation:fof_full).....
% 0.15/0.36  
% 0.15/0.36  ********************************
% 0.15/0.36  *   All subproblems solved!    *
% 0.15/0.36  ********************************
% 0.15/0.36  % SZS status Theorem for /export/starexec/sandbox2/benchmark/theBenchmark.p : (rf:0,axioms:5,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:74,atp_calls_frequency:10,ordering:none,proof_output:1,protocol_output:false,clause_count:112,loop_count:0,foatp_calls:1,translation:fof_full)
% 0.15/0.36  
% 0.15/0.36  %**** Beginning of derivation protocol ****
% 0.15/0.36  % SZS output start CNFRefutation
% See solution above
% 0.15/0.36  
% 0.15/0.36  %**** End of derivation protocol ****
% 0.15/0.36  %**** no. of clauses in derivation: 113 ****
% 0.15/0.36  %**** clause counter: 112 ****
% 0.15/0.36  
% 0.15/0.36  % SZS status Theorem for /export/starexec/sandbox2/benchmark/theBenchmark.p : (rf:0,axioms:5,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:74,atp_calls_frequency:10,ordering:none,proof_output:1,protocol_output:false,clause_count:112,loop_count:0,foatp_calls:1,translation:fof_full)
%------------------------------------------------------------------------------