TSTP Solution File: SET062+3 by LEO-II---1.7.0

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : LEO-II---1.7.0
% Problem  : SET062+3 : TPTP v8.1.0. Released v2.2.0.
% Transfm  : none
% Format   : tptp
% Command  : leo --timeout %d --proofoutput 1 --foatp e --atp e=./eprover %s

% Computer : n028.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 02:58:54 EDT 2022

% Result   : Theorem 0.17s 0.36s
% Output   : CNFRefutation 0.17s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   16
%            Number of leaves      :   12
% Syntax   : Number of formulae    :   68 (  42 unt;   7 typ;   0 def)
%            Number of atoms       :  293 (  74 equ;   0 cnn)
%            Maximal formula atoms :    3 (   4 avg)
%            Number of connectives :  505 (  98   ~;  72   |;   6   &; 323   @)
%                                         (   4 <=>;   2  =>;   0  <=;   0 <~>)
%            Maximal formula depth :    8 (   2 avg)
%            Number of types       :    2 (   0 usr)
%            Number of type conns  :    8 (   8   >;   0   *;   0   +;   0  <<)
%            Number of symbols     :   10 (   7 usr;   4 con; 0-2 aty)
%            Number of variables   :  121 (   0   ^ 121   !;   0   ?; 121   :)

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

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

thf(tp_member,type,
    member: $i > $i > $o ).

thf(tp_sK1_B,type,
    sK1_B: $i ).

thf(tp_sK2_C,type,
    sK2_C: $i > $i ).

thf(tp_sK3_D,type,
    sK3_D: $i > $i > $i ).

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

thf(1,axiom,
    ! [B: $i] :
      ( ( empty @ B )
    <=> ! [C: $i] :
          ~ ( member @ C @ B ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',empty_defn) ).

thf(2,axiom,
    ! [B: $i] : ( subset @ B @ B ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',reflexivity_of_subset) ).

thf(3,axiom,
    ! [B: $i,C: $i] :
      ( ( subset @ B @ C )
    <=> ! [D: $i] :
          ( ( member @ D @ B )
         => ( member @ D @ C ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',subset_defn) ).

thf(4,axiom,
    ! [B: $i] :
      ~ ( member @ B @ empty_set ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',empty_set_defn) ).

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

thf(6,negated_conjecture,
    ( ( ! [B: $i] : ( subset @ empty_set @ B ) )
    = $false ),
    inference(negate_conjecture,[status(cth)],[5]) ).

thf(7,plain,
    ( ( ! [B: $i] : ( subset @ empty_set @ B ) )
    = $false ),
    inference(unfold_def,[status(thm)],[6]) ).

thf(8,plain,
    ( ( ! [B: $i] :
          ( ( empty @ B )
        <=> ! [C: $i] :
              ~ ( member @ C @ B ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[1]) ).

thf(9,plain,
    ( ( ! [B: $i] : ( subset @ B @ B ) )
    = $true ),
    inference(unfold_def,[status(thm)],[2]) ).

thf(10,plain,
    ( ( ! [B: $i,C: $i] :
          ( ( subset @ B @ C )
        <=> ! [D: $i] :
              ( ( member @ D @ B )
             => ( member @ D @ C ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[3]) ).

thf(11,plain,
    ( ( ! [B: $i] :
          ~ ( member @ B @ empty_set ) )
    = $true ),
    inference(unfold_def,[status(thm)],[4]) ).

thf(12,plain,
    ( ( subset @ empty_set @ sK1_B )
    = $false ),
    inference(extcnf_forall_neg,[status(esa)],[7]) ).

thf(13,plain,
    ( ( ~ ( subset @ empty_set @ sK1_B ) )
    = $true ),
    inference(polarity_switch,[status(thm)],[12]) ).

thf(14,plain,
    ( ( ! [B: $i] :
          ( ( member @ ( sK2_C @ B ) @ B )
          | ( empty @ B ) )
      & ! [B: $i] :
          ( ~ ( empty @ B )
          | ! [C: $i] :
              ~ ( member @ C @ B ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[8]) ).

thf(15,plain,
    ( ( ! [B: $i,C: $i] :
          ( ( ( member @ ( sK3_D @ C @ B ) @ B )
            & ~ ( member @ ( sK3_D @ C @ B ) @ C ) )
          | ( subset @ B @ C ) )
      & ! [B: $i,C: $i] :
          ( ~ ( subset @ B @ C )
          | ! [D: $i] :
              ( ~ ( member @ D @ B )
              | ( member @ D @ C ) ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[10]) ).

thf(16,plain,
    ( ( ! [B: $i] :
          ~ ( member @ B @ empty_set ) )
    = $true ),
    inference(copy,[status(thm)],[11]) ).

thf(17,plain,
    ( ( ! [B: $i,C: $i] :
          ( ( ( member @ ( sK3_D @ C @ B ) @ B )
            & ~ ( member @ ( sK3_D @ C @ B ) @ C ) )
          | ( subset @ B @ C ) )
      & ! [B: $i,C: $i] :
          ( ~ ( subset @ B @ C )
          | ! [D: $i] :
              ( ~ ( member @ D @ B )
              | ( member @ D @ C ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[15]) ).

thf(18,plain,
    ( ( ! [B: $i] : ( subset @ B @ B ) )
    = $true ),
    inference(copy,[status(thm)],[9]) ).

thf(19,plain,
    ( ( ! [B: $i] :
          ( ( member @ ( sK2_C @ B ) @ B )
          | ( empty @ B ) )
      & ! [B: $i] :
          ( ~ ( empty @ B )
          | ! [C: $i] :
              ~ ( member @ C @ B ) ) )
    = $true ),
    inference(copy,[status(thm)],[14]) ).

thf(20,plain,
    ( ( ~ ( subset @ empty_set @ sK1_B ) )
    = $true ),
    inference(copy,[status(thm)],[13]) ).

thf(21,plain,
    ( ( ~ ( ~ ! [SX0: $i,SX1: $i] :
                ( ~ ( ~ ( member @ ( sK3_D @ SX1 @ SX0 ) @ SX0 )
                    | ~ ~ ( member @ ( sK3_D @ SX1 @ SX0 ) @ SX1 ) )
                | ( subset @ SX0 @ SX1 ) )
          | ~ ! [SX0: $i,SX1: $i] :
                ( ~ ( subset @ SX0 @ SX1 )
                | ! [SX2: $i] :
                    ( ~ ( member @ SX2 @ SX0 )
                    | ( member @ SX2 @ SX1 ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[17]) ).

thf(22,plain,
    ( ( ~ ( ~ ! [SX0: $i] :
                ( ( member @ ( sK2_C @ SX0 ) @ SX0 )
                | ( empty @ SX0 ) )
          | ~ ! [SX0: $i] :
                ( ~ ( empty @ SX0 )
                | ! [SX1: $i] :
                    ~ ( member @ SX1 @ SX0 ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[19]) ).

thf(23,plain,
    ! [SV1: $i] :
      ( ( ~ ( member @ SV1 @ empty_set ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[16]) ).

thf(24,plain,
    ! [SV2: $i] :
      ( ( subset @ SV2 @ SV2 )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[18]) ).

thf(25,plain,
    ( ( subset @ empty_set @ sK1_B )
    = $false ),
    inference(extcnf_not_pos,[status(thm)],[20]) ).

thf(26,plain,
    ( ( ~ ! [SX0: $i,SX1: $i] :
            ( ~ ( ~ ( member @ ( sK3_D @ SX1 @ SX0 ) @ SX0 )
                | ~ ~ ( member @ ( sK3_D @ SX1 @ SX0 ) @ SX1 ) )
            | ( subset @ SX0 @ SX1 ) )
      | ~ ! [SX0: $i,SX1: $i] :
            ( ~ ( subset @ SX0 @ SX1 )
            | ! [SX2: $i] :
                ( ~ ( member @ SX2 @ SX0 )
                | ( member @ SX2 @ SX1 ) ) ) )
    = $false ),
    inference(extcnf_not_pos,[status(thm)],[21]) ).

thf(27,plain,
    ( ( ~ ! [SX0: $i] :
            ( ( member @ ( sK2_C @ SX0 ) @ SX0 )
            | ( empty @ SX0 ) )
      | ~ ! [SX0: $i] :
            ( ~ ( empty @ SX0 )
            | ! [SX1: $i] :
                ~ ( member @ SX1 @ SX0 ) ) )
    = $false ),
    inference(extcnf_not_pos,[status(thm)],[22]) ).

thf(28,plain,
    ! [SV1: $i] :
      ( ( member @ SV1 @ empty_set )
      = $false ),
    inference(extcnf_not_pos,[status(thm)],[23]) ).

thf(29,plain,
    ( ( ~ ! [SX0: $i,SX1: $i] :
            ( ~ ( ~ ( member @ ( sK3_D @ SX1 @ SX0 ) @ SX0 )
                | ~ ~ ( member @ ( sK3_D @ SX1 @ SX0 ) @ SX1 ) )
            | ( subset @ SX0 @ SX1 ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[26]) ).

thf(30,plain,
    ( ( ~ ! [SX0: $i,SX1: $i] :
            ( ~ ( subset @ SX0 @ SX1 )
            | ! [SX2: $i] :
                ( ~ ( member @ SX2 @ SX0 )
                | ( member @ SX2 @ SX1 ) ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[26]) ).

thf(31,plain,
    ( ( ~ ! [SX0: $i] :
            ( ( member @ ( sK2_C @ SX0 ) @ SX0 )
            | ( empty @ SX0 ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[27]) ).

thf(32,plain,
    ( ( ~ ! [SX0: $i] :
            ( ~ ( empty @ SX0 )
            | ! [SX1: $i] :
                ~ ( member @ SX1 @ SX0 ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[27]) ).

thf(33,plain,
    ( ( ! [SX0: $i,SX1: $i] :
          ( ~ ( ~ ( member @ ( sK3_D @ SX1 @ SX0 ) @ SX0 )
              | ~ ~ ( member @ ( sK3_D @ SX1 @ SX0 ) @ SX1 ) )
          | ( subset @ SX0 @ SX1 ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[29]) ).

thf(34,plain,
    ( ( ! [SX0: $i,SX1: $i] :
          ( ~ ( subset @ SX0 @ SX1 )
          | ! [SX2: $i] :
              ( ~ ( member @ SX2 @ SX0 )
              | ( member @ SX2 @ SX1 ) ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[30]) ).

thf(35,plain,
    ( ( ! [SX0: $i] :
          ( ( member @ ( sK2_C @ SX0 ) @ SX0 )
          | ( empty @ SX0 ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[31]) ).

thf(36,plain,
    ( ( ! [SX0: $i] :
          ( ~ ( empty @ SX0 )
          | ! [SX1: $i] :
              ~ ( member @ SX1 @ SX0 ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[32]) ).

thf(37,plain,
    ! [SV3: $i] :
      ( ( ! [SY8: $i] :
            ( ~ ( ~ ( member @ ( sK3_D @ SY8 @ SV3 ) @ SV3 )
                | ~ ~ ( member @ ( sK3_D @ SY8 @ SV3 ) @ SY8 ) )
            | ( subset @ SV3 @ SY8 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[33]) ).

thf(38,plain,
    ! [SV4: $i] :
      ( ( ! [SY9: $i] :
            ( ~ ( subset @ SV4 @ SY9 )
            | ! [SY10: $i] :
                ( ~ ( member @ SY10 @ SV4 )
                | ( member @ SY10 @ SY9 ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[34]) ).

thf(39,plain,
    ! [SV5: $i] :
      ( ( ( member @ ( sK2_C @ SV5 ) @ SV5 )
        | ( empty @ SV5 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[35]) ).

thf(40,plain,
    ! [SV6: $i] :
      ( ( ~ ( empty @ SV6 )
        | ! [SY11: $i] :
            ~ ( member @ SY11 @ SV6 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[36]) ).

thf(41,plain,
    ! [SV3: $i,SV7: $i] :
      ( ( ~ ( ~ ( member @ ( sK3_D @ SV7 @ SV3 ) @ SV3 )
            | ~ ~ ( member @ ( sK3_D @ SV7 @ SV3 ) @ SV7 ) )
        | ( subset @ SV3 @ SV7 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[37]) ).

thf(42,plain,
    ! [SV8: $i,SV4: $i] :
      ( ( ~ ( subset @ SV4 @ SV8 )
        | ! [SY12: $i] :
            ( ~ ( member @ SY12 @ SV4 )
            | ( member @ SY12 @ SV8 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[38]) ).

thf(43,plain,
    ! [SV5: $i] :
      ( ( ( member @ ( sK2_C @ SV5 ) @ SV5 )
        = $true )
      | ( ( empty @ SV5 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[39]) ).

thf(44,plain,
    ! [SV6: $i] :
      ( ( ( ~ ( empty @ SV6 ) )
        = $true )
      | ( ( ! [SY11: $i] :
              ~ ( member @ SY11 @ SV6 ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[40]) ).

thf(45,plain,
    ! [SV3: $i,SV7: $i] :
      ( ( ( ~ ( ~ ( member @ ( sK3_D @ SV7 @ SV3 ) @ SV3 )
              | ~ ~ ( member @ ( sK3_D @ SV7 @ SV3 ) @ SV7 ) ) )
        = $true )
      | ( ( subset @ SV3 @ SV7 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[41]) ).

thf(46,plain,
    ! [SV8: $i,SV4: $i] :
      ( ( ( ~ ( subset @ SV4 @ SV8 ) )
        = $true )
      | ( ( ! [SY12: $i] :
              ( ~ ( member @ SY12 @ SV4 )
              | ( member @ SY12 @ SV8 ) ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[42]) ).

thf(47,plain,
    ! [SV6: $i] :
      ( ( ( empty @ SV6 )
        = $false )
      | ( ( ! [SY11: $i] :
              ~ ( member @ SY11 @ SV6 ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[44]) ).

thf(48,plain,
    ! [SV3: $i,SV7: $i] :
      ( ( ( ~ ( member @ ( sK3_D @ SV7 @ SV3 ) @ SV3 )
          | ~ ~ ( member @ ( sK3_D @ SV7 @ SV3 ) @ SV7 ) )
        = $false )
      | ( ( subset @ SV3 @ SV7 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[45]) ).

thf(49,plain,
    ! [SV8: $i,SV4: $i] :
      ( ( ( subset @ SV4 @ SV8 )
        = $false )
      | ( ( ! [SY12: $i] :
              ( ~ ( member @ SY12 @ SV4 )
              | ( member @ SY12 @ SV8 ) ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[46]) ).

thf(50,plain,
    ! [SV6: $i,SV9: $i] :
      ( ( ( ~ ( member @ SV9 @ SV6 ) )
        = $true )
      | ( ( empty @ SV6 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[47]) ).

thf(51,plain,
    ! [SV3: $i,SV7: $i] :
      ( ( ( ~ ( member @ ( sK3_D @ SV7 @ SV3 ) @ SV3 ) )
        = $false )
      | ( ( subset @ SV3 @ SV7 )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[48]) ).

thf(52,plain,
    ! [SV3: $i,SV7: $i] :
      ( ( ( ~ ~ ( member @ ( sK3_D @ SV7 @ SV3 ) @ SV7 ) )
        = $false )
      | ( ( subset @ SV3 @ SV7 )
        = $true ) ),
    inference(extcnf_or_neg,[status(thm)],[48]) ).

thf(53,plain,
    ! [SV8: $i,SV4: $i,SV10: $i] :
      ( ( ( ~ ( member @ SV10 @ SV4 )
          | ( member @ SV10 @ SV8 ) )
        = $true )
      | ( ( subset @ SV4 @ SV8 )
        = $false ) ),
    inference(extcnf_forall_pos,[status(thm)],[49]) ).

thf(54,plain,
    ! [SV6: $i,SV9: $i] :
      ( ( ( member @ SV9 @ SV6 )
        = $false )
      | ( ( empty @ SV6 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[50]) ).

thf(55,plain,
    ! [SV3: $i,SV7: $i] :
      ( ( ( member @ ( sK3_D @ SV7 @ SV3 ) @ SV3 )
        = $true )
      | ( ( subset @ SV3 @ SV7 )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[51]) ).

thf(56,plain,
    ! [SV3: $i,SV7: $i] :
      ( ( ( ~ ( member @ ( sK3_D @ SV7 @ SV3 ) @ SV7 ) )
        = $true )
      | ( ( subset @ SV3 @ SV7 )
        = $true ) ),
    inference(extcnf_not_neg,[status(thm)],[52]) ).

thf(57,plain,
    ! [SV8: $i,SV4: $i,SV10: $i] :
      ( ( ( ~ ( member @ SV10 @ SV4 ) )
        = $true )
      | ( ( member @ SV10 @ SV8 )
        = $true )
      | ( ( subset @ SV4 @ SV8 )
        = $false ) ),
    inference(extcnf_or_pos,[status(thm)],[53]) ).

thf(58,plain,
    ! [SV3: $i,SV7: $i] :
      ( ( ( member @ ( sK3_D @ SV7 @ SV3 ) @ SV7 )
        = $false )
      | ( ( subset @ SV3 @ SV7 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[56]) ).

thf(59,plain,
    ! [SV8: $i,SV4: $i,SV10: $i] :
      ( ( ( member @ SV10 @ SV4 )
        = $false )
      | ( ( member @ SV10 @ SV8 )
        = $true )
      | ( ( subset @ SV4 @ SV8 )
        = $false ) ),
    inference(extcnf_not_pos,[status(thm)],[57]) ).

thf(60,plain,
    $false = $true,
    inference(fo_atp_e,[status(thm)],[24,59,58,55,54,43,28,25]) ).

thf(61,plain,
    $false,
    inference(solved_all_splits,[solved_all_splits(join,[])],[60]) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.09/0.11  % Problem  : SET062+3 : TPTP v8.1.0. Released v2.2.0.
% 0.09/0.12  % Command  : leo --timeout %d --proofoutput 1 --foatp e --atp e=./eprover %s
% 0.11/0.31  % Computer : n028.cluster.edu
% 0.11/0.31  % Model    : x86_64 x86_64
% 0.11/0.31  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.11/0.31  % Memory   : 8042.1875MB
% 0.11/0.31  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.11/0.31  % CPULimit : 300
% 0.11/0.31  % WCLimit  : 600
% 0.11/0.31  % DateTime : Sun Jul 10 12:24:27 EDT 2022
% 0.17/0.31  % CPUTime  : 
% 0.17/0.32  
% 0.17/0.32   No.of.Axioms: 4
% 0.17/0.32  
% 0.17/0.32   Length.of.Defs: 0
% 0.17/0.32  
% 0.17/0.32   Contains.Choice.Funs: false
% 0.17/0.32  (rf:0,axioms:4,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:6,loop_count:0,foatp_calls:0,translation:fof_full)...
% 0.17/0.36  
% 0.17/0.36  ********************************
% 0.17/0.36  *   All subproblems solved!    *
% 0.17/0.36  ********************************
% 0.17/0.36  % SZS status Theorem for /export/starexec/sandbox2/benchmark/theBenchmark.p : (rf:0,axioms:4,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:60,loop_count:0,foatp_calls:1,translation:fof_full)
% 0.17/0.36  
% 0.17/0.36  %**** Beginning of derivation protocol ****
% 0.17/0.36  % SZS output start CNFRefutation
% See solution above
% 0.17/0.36  
% 0.17/0.36  %**** End of derivation protocol ****
% 0.17/0.36  %**** no. of clauses in derivation: 61 ****
% 0.17/0.36  %**** clause counter: 60 ****
% 0.17/0.36  
% 0.17/0.36  % SZS status Theorem for /export/starexec/sandbox2/benchmark/theBenchmark.p : (rf:0,axioms:4,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:60,loop_count:0,foatp_calls:1,translation:fof_full)
%------------------------------------------------------------------------------