TSTP Solution File: SEU755^2 by LEO-II---1.7.0

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : LEO-II---1.7.0
% Problem  : SEU755^2 : TPTP v8.1.0. Released v3.7.0.
% Transfm  : none
% Format   : tptp
% Command  : leo --timeout %d --proofoutput 1 --foatp e --atp e=./eprover %s

% Computer : n024.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 12:14:28 EDT 2022

% Result   : Theorem 0.13s 0.42s
% Output   : CNFRefutation 0.20s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   25
%            Number of leaves      :   15
% Syntax   : Number of formulae    :   84 (  55 unt;  11 typ;   3 def)
%            Number of atoms       :  494 ( 107 equ;   0 cnn)
%            Maximal formula atoms :    9 (   6 avg)
%            Number of connectives : 1290 ( 216   ~; 139   |;  10   &; 867   @)
%                                         (   0 <=>;  58  =>;   0  <=;   0 <~>)
%            Maximal formula depth :   17 (   3 avg)
%            Number of types       :    2 (   0 usr)
%            Number of type conns  :    7 (   7   >;   0   *;   0   +;   0  <<)
%            Number of symbols     :   14 (  11 usr;   9 con; 0-2 aty)
%            Number of variables   :  158 (   0   ^ 158   !;   0   ?; 158   :)

% Comments : 
%------------------------------------------------------------------------------
thf(tp_binunion,type,
    binunion: $i > $i > $i ).

thf(tp_binunionTEcontra,type,
    binunionTEcontra: $o ).

thf(tp_in,type,
    in: $i > $i > $o ).

thf(tp_powerset,type,
    powerset: $i > $i ).

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

thf(tp_sK2_SY18,type,
    sK2_SY18: $i ).

thf(tp_sK3_SY21,type,
    sK3_SY21: $i ).

thf(tp_sK4_SY23,type,
    sK4_SY23: $i ).

thf(tp_setminus,type,
    setminus: $i > $i > $i ).

thf(tp_setminusER,type,
    setminusER: $o ).

thf(tp_setminusI,type,
    setminusI: $o ).

thf(binunionTEcontra,definition,
    ( binunionTEcontra
    = ( ! [A: $i,X: $i] :
          ( ( in @ X @ ( powerset @ A ) )
         => ! [Y: $i] :
              ( ( in @ Y @ ( powerset @ A ) )
             => ! [Xx: $i] :
                  ( ( in @ Xx @ A )
                 => ( ~ ( in @ Xx @ X )
                   => ( ~ ( in @ Xx @ Y )
                     => ~ ( in @ Xx @ ( binunion @ X @ Y ) ) ) ) ) ) ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',binunionTEcontra) ).

thf(setminusER,definition,
    ( setminusER
    = ( ! [A: $i,B: $i,Xx: $i] :
          ( ( in @ Xx @ ( setminus @ A @ B ) )
         => ~ ( in @ Xx @ B ) ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',setminusER) ).

thf(setminusI,definition,
    ( setminusI
    = ( ! [A: $i,B: $i,Xx: $i] :
          ( ( in @ Xx @ A )
         => ( ~ ( in @ Xx @ B )
           => ( in @ Xx @ ( setminus @ A @ B ) ) ) ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',setminusI) ).

thf(1,conjecture,
    ( setminusI
   => ( setminusER
     => ( binunionTEcontra
       => ! [A: $i,X: $i] :
            ( ( in @ X @ ( powerset @ A ) )
           => ! [Y: $i] :
                ( ( in @ Y @ ( powerset @ A ) )
               => ! [Xx: $i] :
                    ( ( in @ Xx @ A )
                   => ( ( in @ Xx @ ( setminus @ A @ X ) )
                     => ( ( in @ Xx @ ( setminus @ A @ Y ) )
                       => ( in @ Xx @ ( setminus @ A @ ( binunion @ X @ Y ) ) ) ) ) ) ) ) ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',demorgan2b2) ).

thf(2,negated_conjecture,
    ( ( setminusI
     => ( setminusER
       => ( binunionTEcontra
         => ! [A: $i,X: $i] :
              ( ( in @ X @ ( powerset @ A ) )
             => ! [Y: $i] :
                  ( ( in @ Y @ ( powerset @ A ) )
                 => ! [Xx: $i] :
                      ( ( in @ Xx @ A )
                     => ( ( in @ Xx @ ( setminus @ A @ X ) )
                       => ( ( in @ Xx @ ( setminus @ A @ Y ) )
                         => ( in @ Xx @ ( setminus @ A @ ( binunion @ X @ Y ) ) ) ) ) ) ) ) ) ) )
    = $false ),
    inference(negate_conjecture,[status(cth)],[1]) ).

thf(3,plain,
    ( ( ! [A: $i,B: $i,Xx: $i] :
          ( ( in @ Xx @ A )
         => ( ~ ( in @ Xx @ B )
           => ( in @ Xx @ ( setminus @ A @ B ) ) ) )
     => ( ! [A: $i,B: $i,Xx: $i] :
            ( ( in @ Xx @ ( setminus @ A @ B ) )
           => ~ ( in @ Xx @ B ) )
       => ( ! [A: $i,X: $i] :
              ( ( in @ X @ ( powerset @ A ) )
             => ! [Y: $i] :
                  ( ( in @ Y @ ( powerset @ A ) )
                 => ! [Xx: $i] :
                      ( ( in @ Xx @ A )
                     => ( ~ ( in @ Xx @ X )
                       => ( ~ ( in @ Xx @ Y )
                         => ~ ( in @ Xx @ ( binunion @ X @ Y ) ) ) ) ) ) )
         => ! [A: $i,X: $i] :
              ( ( in @ X @ ( powerset @ A ) )
             => ! [Y: $i] :
                  ( ( in @ Y @ ( powerset @ A ) )
                 => ! [Xx: $i] :
                      ( ( in @ Xx @ A )
                     => ( ( in @ Xx @ ( setminus @ A @ X ) )
                       => ( ( in @ Xx @ ( setminus @ A @ Y ) )
                         => ( in @ Xx @ ( setminus @ A @ ( binunion @ X @ Y ) ) ) ) ) ) ) ) ) ) )
    = $false ),
    inference(unfold_def,[status(thm)],[2,binunionTEcontra,setminusER,setminusI]) ).

thf(4,plain,
    ( ( ! [A: $i,B: $i,Xx: $i] :
          ( ( in @ Xx @ A )
         => ( ~ ( in @ Xx @ B )
           => ( in @ Xx @ ( setminus @ A @ B ) ) ) ) )
    = $true ),
    inference(standard_cnf,[status(thm)],[3]) ).

thf(5,plain,
    ( ( ! [A: $i,B: $i,Xx: $i] :
          ( ( in @ Xx @ ( setminus @ A @ B ) )
         => ~ ( in @ Xx @ B ) ) )
    = $true ),
    inference(standard_cnf,[status(thm)],[3]) ).

thf(6,plain,
    ( ( ! [A: $i,X: $i] :
          ( ( in @ X @ ( powerset @ A ) )
         => ! [Y: $i] :
              ( ( in @ Y @ ( powerset @ A ) )
             => ! [Xx: $i] :
                  ( ( in @ Xx @ A )
                 => ( ~ ( in @ Xx @ X )
                   => ( ~ ( in @ Xx @ Y )
                     => ~ ( in @ Xx @ ( binunion @ X @ Y ) ) ) ) ) ) ) )
    = $true ),
    inference(standard_cnf,[status(thm)],[3]) ).

thf(7,plain,
    ( ( ! [A: $i,X: $i] :
          ( ( in @ X @ ( powerset @ A ) )
         => ! [Y: $i] :
              ( ( in @ Y @ ( powerset @ A ) )
             => ! [Xx: $i] :
                  ( ( in @ Xx @ A )
                 => ( ( in @ Xx @ ( setminus @ A @ X ) )
                   => ( ( in @ Xx @ ( setminus @ A @ Y ) )
                     => ( in @ Xx @ ( setminus @ A @ ( binunion @ X @ Y ) ) ) ) ) ) ) ) )
    = $false ),
    inference(standard_cnf,[status(thm)],[3]) ).

thf(8,plain,
    ( ( ~ ! [A: $i,X: $i] :
            ( ( in @ X @ ( powerset @ A ) )
           => ! [Y: $i] :
                ( ( in @ Y @ ( powerset @ A ) )
               => ! [Xx: $i] :
                    ( ( in @ Xx @ A )
                   => ( ( in @ Xx @ ( setminus @ A @ X ) )
                     => ( ( in @ Xx @ ( setminus @ A @ Y ) )
                       => ( in @ Xx @ ( setminus @ A @ ( binunion @ X @ Y ) ) ) ) ) ) ) ) )
    = $true ),
    inference(polarity_switch,[status(thm)],[7]) ).

thf(9,plain,
    ( ( ( in @ sK2_SY18 @ ( powerset @ sK1_A ) )
      & ( in @ sK3_SY21 @ ( powerset @ sK1_A ) )
      & ( in @ sK4_SY23 @ sK1_A )
      & ( in @ sK4_SY23 @ ( setminus @ sK1_A @ sK2_SY18 ) )
      & ( in @ sK4_SY23 @ ( setminus @ sK1_A @ sK3_SY21 ) )
      & ~ ( in @ sK4_SY23 @ ( setminus @ sK1_A @ ( binunion @ sK2_SY18 @ sK3_SY21 ) ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[8]) ).

thf(10,plain,
    ( ( ! [A: $i,B: $i,Xx: $i] :
          ( ~ ( in @ Xx @ A )
          | ( in @ Xx @ B )
          | ( in @ Xx @ ( setminus @ A @ B ) ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[4]) ).

thf(11,plain,
    ( ( ! [A: $i,B: $i,Xx: $i] :
          ( ~ ( in @ Xx @ ( setminus @ A @ B ) )
          | ~ ( in @ Xx @ B ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[5]) ).

thf(12,plain,
    ( ( ! [A: $i,X: $i] :
          ( ~ ( in @ X @ ( powerset @ A ) )
          | ! [Y: $i] :
              ( ~ ( in @ Y @ ( powerset @ A ) )
              | ! [Xx: $i] :
                  ( ~ ( in @ Xx @ A )
                  | ( in @ Xx @ X )
                  | ( in @ Xx @ Y )
                  | ~ ( in @ Xx @ ( binunion @ X @ Y ) ) ) ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[6]) ).

thf(13,plain,
    ( ( ! [A: $i,X: $i] :
          ( ~ ( in @ X @ ( powerset @ A ) )
          | ! [Y: $i] :
              ( ~ ( in @ Y @ ( powerset @ A ) )
              | ! [Xx: $i] :
                  ( ~ ( in @ Xx @ A )
                  | ( in @ Xx @ X )
                  | ( in @ Xx @ Y )
                  | ~ ( in @ Xx @ ( binunion @ X @ Y ) ) ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[12]) ).

thf(14,plain,
    ( ( ! [A: $i,B: $i,Xx: $i] :
          ( ~ ( in @ Xx @ ( setminus @ A @ B ) )
          | ~ ( in @ Xx @ B ) ) )
    = $true ),
    inference(copy,[status(thm)],[11]) ).

thf(15,plain,
    ( ( ! [A: $i,B: $i,Xx: $i] :
          ( ~ ( in @ Xx @ A )
          | ( in @ Xx @ B )
          | ( in @ Xx @ ( setminus @ A @ B ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[10]) ).

thf(16,plain,
    ( ( ( in @ sK2_SY18 @ ( powerset @ sK1_A ) )
      & ( in @ sK3_SY21 @ ( powerset @ sK1_A ) )
      & ( in @ sK4_SY23 @ sK1_A )
      & ( in @ sK4_SY23 @ ( setminus @ sK1_A @ sK2_SY18 ) )
      & ( in @ sK4_SY23 @ ( setminus @ sK1_A @ sK3_SY21 ) )
      & ~ ( in @ sK4_SY23 @ ( setminus @ sK1_A @ ( binunion @ sK2_SY18 @ sK3_SY21 ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[9]) ).

thf(17,plain,
    ( ( ~ ( ~ ( in @ sK2_SY18 @ ( powerset @ sK1_A ) )
          | ~ ~ ( ~ ( in @ sK3_SY21 @ ( powerset @ sK1_A ) )
                | ~ ~ ( ~ ( in @ sK4_SY23 @ sK1_A )
                      | ~ ~ ( ~ ( in @ sK4_SY23 @ ( setminus @ sK1_A @ sK2_SY18 ) )
                            | ~ ~ ( ~ ( in @ sK4_SY23 @ ( setminus @ sK1_A @ sK3_SY21 ) )
                                  | ~ ~ ( in @ sK4_SY23 @ ( setminus @ sK1_A @ ( binunion @ sK2_SY18 @ sK3_SY21 ) ) ) ) ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[16,binunionTEcontra,setminusER,setminusI]) ).

thf(18,plain,
    ! [SV1: $i] :
      ( ( ! [SY24: $i] :
            ( ~ ( in @ SY24 @ ( powerset @ SV1 ) )
            | ! [SY25: $i] :
                ( ~ ( in @ SY25 @ ( powerset @ SV1 ) )
                | ! [SY26: $i] :
                    ( ~ ( in @ SY26 @ SV1 )
                    | ( in @ SY26 @ SY24 )
                    | ( in @ SY26 @ SY25 )
                    | ~ ( in @ SY26 @ ( binunion @ SY24 @ SY25 ) ) ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[13]) ).

thf(19,plain,
    ! [SV2: $i] :
      ( ( ! [SY27: $i,SY28: $i] :
            ( ~ ( in @ SY28 @ ( setminus @ SV2 @ SY27 ) )
            | ~ ( in @ SY28 @ SY27 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[14]) ).

thf(20,plain,
    ! [SV3: $i] :
      ( ( ! [SY29: $i,SY30: $i] :
            ( ~ ( in @ SY30 @ SV3 )
            | ( in @ SY30 @ SY29 )
            | ( in @ SY30 @ ( setminus @ SV3 @ SY29 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[15]) ).

thf(21,plain,
    ( ( ~ ( in @ sK2_SY18 @ ( powerset @ sK1_A ) )
      | ~ ~ ( ~ ( in @ sK3_SY21 @ ( powerset @ sK1_A ) )
            | ~ ~ ( ~ ( in @ sK4_SY23 @ sK1_A )
                  | ~ ~ ( ~ ( in @ sK4_SY23 @ ( setminus @ sK1_A @ sK2_SY18 ) )
                        | ~ ~ ( ~ ( in @ sK4_SY23 @ ( setminus @ sK1_A @ sK3_SY21 ) )
                              | ~ ~ ( in @ sK4_SY23 @ ( setminus @ sK1_A @ ( binunion @ sK2_SY18 @ sK3_SY21 ) ) ) ) ) ) ) )
    = $false ),
    inference(extcnf_not_pos,[status(thm)],[17]) ).

thf(22,plain,
    ! [SV1: $i,SV4: $i] :
      ( ( ~ ( in @ SV4 @ ( powerset @ SV1 ) )
        | ! [SY31: $i] :
            ( ~ ( in @ SY31 @ ( powerset @ SV1 ) )
            | ! [SY32: $i] :
                ( ~ ( in @ SY32 @ SV1 )
                | ( in @ SY32 @ SV4 )
                | ( in @ SY32 @ SY31 )
                | ~ ( in @ SY32 @ ( binunion @ SV4 @ SY31 ) ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[18]) ).

thf(23,plain,
    ! [SV5: $i,SV2: $i] :
      ( ( ! [SY33: $i] :
            ( ~ ( in @ SY33 @ ( setminus @ SV2 @ SV5 ) )
            | ~ ( in @ SY33 @ SV5 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[19]) ).

thf(24,plain,
    ! [SV6: $i,SV3: $i] :
      ( ( ! [SY34: $i] :
            ( ~ ( in @ SY34 @ SV3 )
            | ( in @ SY34 @ SV6 )
            | ( in @ SY34 @ ( setminus @ SV3 @ SV6 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[20]) ).

thf(25,plain,
    ( ( ~ ( in @ sK2_SY18 @ ( powerset @ sK1_A ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[21]) ).

thf(26,plain,
    ( ( ~ ~ ( ~ ( in @ sK3_SY21 @ ( powerset @ sK1_A ) )
            | ~ ~ ( ~ ( in @ sK4_SY23 @ sK1_A )
                  | ~ ~ ( ~ ( in @ sK4_SY23 @ ( setminus @ sK1_A @ sK2_SY18 ) )
                        | ~ ~ ( ~ ( in @ sK4_SY23 @ ( setminus @ sK1_A @ sK3_SY21 ) )
                              | ~ ~ ( in @ sK4_SY23 @ ( setminus @ sK1_A @ ( binunion @ sK2_SY18 @ sK3_SY21 ) ) ) ) ) ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[21]) ).

thf(27,plain,
    ! [SV1: $i,SV4: $i] :
      ( ( ( ~ ( in @ SV4 @ ( powerset @ SV1 ) ) )
        = $true )
      | ( ( ! [SY31: $i] :
              ( ~ ( in @ SY31 @ ( powerset @ SV1 ) )
              | ! [SY32: $i] :
                  ( ~ ( in @ SY32 @ SV1 )
                  | ( in @ SY32 @ SV4 )
                  | ( in @ SY32 @ SY31 )
                  | ~ ( in @ SY32 @ ( binunion @ SV4 @ SY31 ) ) ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[22]) ).

thf(28,plain,
    ! [SV5: $i,SV2: $i,SV7: $i] :
      ( ( ~ ( in @ SV7 @ ( setminus @ SV2 @ SV5 ) )
        | ~ ( in @ SV7 @ SV5 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[23]) ).

thf(29,plain,
    ! [SV6: $i,SV3: $i,SV8: $i] :
      ( ( ~ ( in @ SV8 @ SV3 )
        | ( in @ SV8 @ SV6 )
        | ( in @ SV8 @ ( setminus @ SV3 @ SV6 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[24]) ).

thf(30,plain,
    ( ( in @ sK2_SY18 @ ( powerset @ sK1_A ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[25]) ).

thf(31,plain,
    ( ( ~ ( ~ ( in @ sK3_SY21 @ ( powerset @ sK1_A ) )
          | ~ ~ ( ~ ( in @ sK4_SY23 @ sK1_A )
                | ~ ~ ( ~ ( in @ sK4_SY23 @ ( setminus @ sK1_A @ sK2_SY18 ) )
                      | ~ ~ ( ~ ( in @ sK4_SY23 @ ( setminus @ sK1_A @ sK3_SY21 ) )
                            | ~ ~ ( in @ sK4_SY23 @ ( setminus @ sK1_A @ ( binunion @ sK2_SY18 @ sK3_SY21 ) ) ) ) ) ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[26]) ).

thf(32,plain,
    ! [SV1: $i,SV4: $i] :
      ( ( ( in @ SV4 @ ( powerset @ SV1 ) )
        = $false )
      | ( ( ! [SY31: $i] :
              ( ~ ( in @ SY31 @ ( powerset @ SV1 ) )
              | ! [SY32: $i] :
                  ( ~ ( in @ SY32 @ SV1 )
                  | ( in @ SY32 @ SV4 )
                  | ( in @ SY32 @ SY31 )
                  | ~ ( in @ SY32 @ ( binunion @ SV4 @ SY31 ) ) ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[27]) ).

thf(33,plain,
    ! [SV5: $i,SV2: $i,SV7: $i] :
      ( ( ( ~ ( in @ SV7 @ ( setminus @ SV2 @ SV5 ) ) )
        = $true )
      | ( ( ~ ( in @ SV7 @ SV5 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[28]) ).

thf(34,plain,
    ! [SV6: $i,SV3: $i,SV8: $i] :
      ( ( ( ~ ( in @ SV8 @ SV3 ) )
        = $true )
      | ( ( ( in @ SV8 @ SV6 )
          | ( in @ SV8 @ ( setminus @ SV3 @ SV6 ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[29]) ).

thf(35,plain,
    ( ( ~ ( in @ sK3_SY21 @ ( powerset @ sK1_A ) )
      | ~ ~ ( ~ ( in @ sK4_SY23 @ sK1_A )
            | ~ ~ ( ~ ( in @ sK4_SY23 @ ( setminus @ sK1_A @ sK2_SY18 ) )
                  | ~ ~ ( ~ ( in @ sK4_SY23 @ ( setminus @ sK1_A @ sK3_SY21 ) )
                        | ~ ~ ( in @ sK4_SY23 @ ( setminus @ sK1_A @ ( binunion @ sK2_SY18 @ sK3_SY21 ) ) ) ) ) ) )
    = $false ),
    inference(extcnf_not_pos,[status(thm)],[31]) ).

thf(36,plain,
    ! [SV4: $i,SV1: $i,SV9: $i] :
      ( ( ( ~ ( in @ SV9 @ ( powerset @ SV1 ) )
          | ! [SY35: $i] :
              ( ~ ( in @ SY35 @ SV1 )
              | ( in @ SY35 @ SV4 )
              | ( in @ SY35 @ SV9 )
              | ~ ( in @ SY35 @ ( binunion @ SV4 @ SV9 ) ) ) )
        = $true )
      | ( ( in @ SV4 @ ( powerset @ SV1 ) )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[32]) ).

thf(37,plain,
    ! [SV5: $i,SV2: $i,SV7: $i] :
      ( ( ( in @ SV7 @ ( setminus @ SV2 @ SV5 ) )
        = $false )
      | ( ( ~ ( in @ SV7 @ SV5 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[33]) ).

thf(38,plain,
    ! [SV6: $i,SV3: $i,SV8: $i] :
      ( ( ( in @ SV8 @ SV3 )
        = $false )
      | ( ( ( in @ SV8 @ SV6 )
          | ( in @ SV8 @ ( setminus @ SV3 @ SV6 ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[34]) ).

thf(39,plain,
    ( ( ~ ( in @ sK3_SY21 @ ( powerset @ sK1_A ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[35]) ).

thf(40,plain,
    ( ( ~ ~ ( ~ ( in @ sK4_SY23 @ sK1_A )
            | ~ ~ ( ~ ( in @ sK4_SY23 @ ( setminus @ sK1_A @ sK2_SY18 ) )
                  | ~ ~ ( ~ ( in @ sK4_SY23 @ ( setminus @ sK1_A @ sK3_SY21 ) )
                        | ~ ~ ( in @ sK4_SY23 @ ( setminus @ sK1_A @ ( binunion @ sK2_SY18 @ sK3_SY21 ) ) ) ) ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[35]) ).

thf(41,plain,
    ! [SV4: $i,SV1: $i,SV9: $i] :
      ( ( ( ~ ( in @ SV9 @ ( powerset @ SV1 ) ) )
        = $true )
      | ( ( ! [SY35: $i] :
              ( ~ ( in @ SY35 @ SV1 )
              | ( in @ SY35 @ SV4 )
              | ( in @ SY35 @ SV9 )
              | ~ ( in @ SY35 @ ( binunion @ SV4 @ SV9 ) ) ) )
        = $true )
      | ( ( in @ SV4 @ ( powerset @ SV1 ) )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[36]) ).

thf(42,plain,
    ! [SV2: $i,SV5: $i,SV7: $i] :
      ( ( ( in @ SV7 @ SV5 )
        = $false )
      | ( ( in @ SV7 @ ( setminus @ SV2 @ SV5 ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[37]) ).

thf(43,plain,
    ! [SV3: $i,SV6: $i,SV8: $i] :
      ( ( ( in @ SV8 @ SV6 )
        = $true )
      | ( ( in @ SV8 @ ( setminus @ SV3 @ SV6 ) )
        = $true )
      | ( ( in @ SV8 @ SV3 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[38]) ).

thf(44,plain,
    ( ( in @ sK3_SY21 @ ( powerset @ sK1_A ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[39]) ).

thf(45,plain,
    ( ( ~ ( ~ ( in @ sK4_SY23 @ sK1_A )
          | ~ ~ ( ~ ( in @ sK4_SY23 @ ( setminus @ sK1_A @ sK2_SY18 ) )
                | ~ ~ ( ~ ( in @ sK4_SY23 @ ( setminus @ sK1_A @ sK3_SY21 ) )
                      | ~ ~ ( in @ sK4_SY23 @ ( setminus @ sK1_A @ ( binunion @ sK2_SY18 @ sK3_SY21 ) ) ) ) ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[40]) ).

thf(46,plain,
    ! [SV4: $i,SV1: $i,SV9: $i] :
      ( ( ( in @ SV9 @ ( powerset @ SV1 ) )
        = $false )
      | ( ( ! [SY35: $i] :
              ( ~ ( in @ SY35 @ SV1 )
              | ( in @ SY35 @ SV4 )
              | ( in @ SY35 @ SV9 )
              | ~ ( in @ SY35 @ ( binunion @ SV4 @ SV9 ) ) ) )
        = $true )
      | ( ( in @ SV4 @ ( powerset @ SV1 ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[41]) ).

thf(47,plain,
    ( ( ~ ( in @ sK4_SY23 @ sK1_A )
      | ~ ~ ( ~ ( in @ sK4_SY23 @ ( setminus @ sK1_A @ sK2_SY18 ) )
            | ~ ~ ( ~ ( in @ sK4_SY23 @ ( setminus @ sK1_A @ sK3_SY21 ) )
                  | ~ ~ ( in @ sK4_SY23 @ ( setminus @ sK1_A @ ( binunion @ sK2_SY18 @ sK3_SY21 ) ) ) ) ) )
    = $false ),
    inference(extcnf_not_pos,[status(thm)],[45]) ).

thf(48,plain,
    ! [SV9: $i,SV4: $i,SV1: $i,SV10: $i] :
      ( ( ( ~ ( in @ SV10 @ SV1 )
          | ( in @ SV10 @ SV4 )
          | ( in @ SV10 @ SV9 )
          | ~ ( in @ SV10 @ ( binunion @ SV4 @ SV9 ) ) )
        = $true )
      | ( ( in @ SV9 @ ( powerset @ SV1 ) )
        = $false )
      | ( ( in @ SV4 @ ( powerset @ SV1 ) )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[46]) ).

thf(49,plain,
    ( ( ~ ( in @ sK4_SY23 @ sK1_A ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[47]) ).

thf(50,plain,
    ( ( ~ ~ ( ~ ( in @ sK4_SY23 @ ( setminus @ sK1_A @ sK2_SY18 ) )
            | ~ ~ ( ~ ( in @ sK4_SY23 @ ( setminus @ sK1_A @ sK3_SY21 ) )
                  | ~ ~ ( in @ sK4_SY23 @ ( setminus @ sK1_A @ ( binunion @ sK2_SY18 @ sK3_SY21 ) ) ) ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[47]) ).

thf(51,plain,
    ! [SV9: $i,SV4: $i,SV1: $i,SV10: $i] :
      ( ( ( ~ ( in @ SV10 @ SV1 ) )
        = $true )
      | ( ( ( in @ SV10 @ SV4 )
          | ( in @ SV10 @ SV9 )
          | ~ ( in @ SV10 @ ( binunion @ SV4 @ SV9 ) ) )
        = $true )
      | ( ( in @ SV9 @ ( powerset @ SV1 ) )
        = $false )
      | ( ( in @ SV4 @ ( powerset @ SV1 ) )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[48]) ).

thf(52,plain,
    ( ( in @ sK4_SY23 @ sK1_A )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[49]) ).

thf(53,plain,
    ( ( ~ ( ~ ( in @ sK4_SY23 @ ( setminus @ sK1_A @ sK2_SY18 ) )
          | ~ ~ ( ~ ( in @ sK4_SY23 @ ( setminus @ sK1_A @ sK3_SY21 ) )
                | ~ ~ ( in @ sK4_SY23 @ ( setminus @ sK1_A @ ( binunion @ sK2_SY18 @ sK3_SY21 ) ) ) ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[50]) ).

thf(54,plain,
    ! [SV9: $i,SV4: $i,SV1: $i,SV10: $i] :
      ( ( ( in @ SV10 @ SV1 )
        = $false )
      | ( ( ( in @ SV10 @ SV4 )
          | ( in @ SV10 @ SV9 )
          | ~ ( in @ SV10 @ ( binunion @ SV4 @ SV9 ) ) )
        = $true )
      | ( ( in @ SV9 @ ( powerset @ SV1 ) )
        = $false )
      | ( ( in @ SV4 @ ( powerset @ SV1 ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[51]) ).

thf(55,plain,
    ( ( ~ ( in @ sK4_SY23 @ ( setminus @ sK1_A @ sK2_SY18 ) )
      | ~ ~ ( ~ ( in @ sK4_SY23 @ ( setminus @ sK1_A @ sK3_SY21 ) )
            | ~ ~ ( in @ sK4_SY23 @ ( setminus @ sK1_A @ ( binunion @ sK2_SY18 @ sK3_SY21 ) ) ) ) )
    = $false ),
    inference(extcnf_not_pos,[status(thm)],[53]) ).

thf(56,plain,
    ! [SV1: $i,SV9: $i,SV4: $i,SV10: $i] :
      ( ( ( in @ SV10 @ SV4 )
        = $true )
      | ( ( ( in @ SV10 @ SV9 )
          | ~ ( in @ SV10 @ ( binunion @ SV4 @ SV9 ) ) )
        = $true )
      | ( ( in @ SV10 @ SV1 )
        = $false )
      | ( ( in @ SV9 @ ( powerset @ SV1 ) )
        = $false )
      | ( ( in @ SV4 @ ( powerset @ SV1 ) )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[54]) ).

thf(57,plain,
    ( ( ~ ( in @ sK4_SY23 @ ( setminus @ sK1_A @ sK2_SY18 ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[55]) ).

thf(58,plain,
    ( ( ~ ~ ( ~ ( in @ sK4_SY23 @ ( setminus @ sK1_A @ sK3_SY21 ) )
            | ~ ~ ( in @ sK4_SY23 @ ( setminus @ sK1_A @ ( binunion @ sK2_SY18 @ sK3_SY21 ) ) ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[55]) ).

thf(59,plain,
    ! [SV1: $i,SV4: $i,SV9: $i,SV10: $i] :
      ( ( ( in @ SV10 @ SV9 )
        = $true )
      | ( ( ~ ( in @ SV10 @ ( binunion @ SV4 @ SV9 ) ) )
        = $true )
      | ( ( in @ SV10 @ SV4 )
        = $true )
      | ( ( in @ SV10 @ SV1 )
        = $false )
      | ( ( in @ SV9 @ ( powerset @ SV1 ) )
        = $false )
      | ( ( in @ SV4 @ ( powerset @ SV1 ) )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[56]) ).

thf(60,plain,
    ( ( in @ sK4_SY23 @ ( setminus @ sK1_A @ sK2_SY18 ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[57]) ).

thf(61,plain,
    ( ( ~ ( ~ ( in @ sK4_SY23 @ ( setminus @ sK1_A @ sK3_SY21 ) )
          | ~ ~ ( in @ sK4_SY23 @ ( setminus @ sK1_A @ ( binunion @ sK2_SY18 @ sK3_SY21 ) ) ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[58]) ).

thf(62,plain,
    ! [SV1: $i,SV9: $i,SV4: $i,SV10: $i] :
      ( ( ( in @ SV10 @ ( binunion @ SV4 @ SV9 ) )
        = $false )
      | ( ( in @ SV10 @ SV9 )
        = $true )
      | ( ( in @ SV10 @ SV4 )
        = $true )
      | ( ( in @ SV10 @ SV1 )
        = $false )
      | ( ( in @ SV9 @ ( powerset @ SV1 ) )
        = $false )
      | ( ( in @ SV4 @ ( powerset @ SV1 ) )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[59]) ).

thf(63,plain,
    ( ( ~ ( in @ sK4_SY23 @ ( setminus @ sK1_A @ sK3_SY21 ) )
      | ~ ~ ( in @ sK4_SY23 @ ( setminus @ sK1_A @ ( binunion @ sK2_SY18 @ sK3_SY21 ) ) ) )
    = $false ),
    inference(extcnf_not_pos,[status(thm)],[61]) ).

thf(64,plain,
    ( ( ~ ( in @ sK4_SY23 @ ( setminus @ sK1_A @ sK3_SY21 ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[63]) ).

thf(65,plain,
    ( ( ~ ~ ( in @ sK4_SY23 @ ( setminus @ sK1_A @ ( binunion @ sK2_SY18 @ sK3_SY21 ) ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[63]) ).

thf(66,plain,
    ( ( in @ sK4_SY23 @ ( setminus @ sK1_A @ sK3_SY21 ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[64]) ).

thf(67,plain,
    ( ( ~ ( in @ sK4_SY23 @ ( setminus @ sK1_A @ ( binunion @ sK2_SY18 @ sK3_SY21 ) ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[65]) ).

thf(68,plain,
    ( ( in @ sK4_SY23 @ ( setminus @ sK1_A @ ( binunion @ sK2_SY18 @ sK3_SY21 ) ) )
    = $false ),
    inference(extcnf_not_pos,[status(thm)],[67]) ).

thf(69,plain,
    $false = $true,
    inference(fo_atp_e,[status(thm)],[30,68,66,62,60,52,44,43,42]) ).

thf(70,plain,
    $false,
    inference(solved_all_splits,[solved_all_splits(join,[])],[69]) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.12/0.12  % Problem  : SEU755^2 : TPTP v8.1.0. Released v3.7.0.
% 0.12/0.13  % Command  : leo --timeout %d --proofoutput 1 --foatp e --atp e=./eprover %s
% 0.13/0.34  % Computer : n024.cluster.edu
% 0.13/0.34  % Model    : x86_64 x86_64
% 0.13/0.34  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.13/0.34  % Memory   : 8042.1875MB
% 0.13/0.34  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.13/0.34  % CPULimit : 300
% 0.13/0.34  % WCLimit  : 600
% 0.13/0.34  % DateTime : Sun Jun 19 06:08:17 EDT 2022
% 0.13/0.35  % CPUTime  : 
% 0.13/0.35  
% 0.13/0.35   No.of.Axioms: 0
% 0.13/0.35  
% 0.13/0.35   Length.of.Defs: 694
% 0.13/0.35  
% 0.13/0.35   Contains.Choice.Funs: false
% 0.13/0.36  (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)...
% 0.13/0.42  
% 0.13/0.42  ********************************
% 0.13/0.42  *   All subproblems solved!    *
% 0.13/0.42  ********************************
% 0.13/0.42  % SZS status Theorem for /export/starexec/sandbox/benchmark/theBenchmark.p : (rf:0,axioms:3,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:69,loop_count:0,foatp_calls:1,translation:fof_full)
% 0.13/0.42  
% 0.13/0.42  %**** Beginning of derivation protocol ****
% 0.13/0.42  % SZS output start CNFRefutation
% See solution above
% 0.20/0.42  
% 0.20/0.42  %**** End of derivation protocol ****
% 0.20/0.42  %**** no. of clauses in derivation: 70 ****
% 0.20/0.42  %**** clause counter: 69 ****
% 0.20/0.42  
% 0.20/0.42  % SZS status Theorem for /export/starexec/sandbox/benchmark/theBenchmark.p : (rf:0,axioms:3,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:69,loop_count:0,foatp_calls:1,translation:fof_full)
%------------------------------------------------------------------------------