TSTP Solution File: SEU530^2 by LEO-II---1.7.0

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : LEO-II---1.7.0
% Problem  : SEU530^2 : 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 : n021.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 12:12:38 EDT 2022

% Result   : Theorem 0.12s 0.37s
% Output   : CNFRefutation 0.12s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   13
%            Number of leaves      :   10
% Syntax   : Number of formulae    :   39 (  27 unt;   7 typ;   2 def)
%            Number of atoms       :  133 (  52 equ;   0 cnn)
%            Maximal formula atoms :    4 (   4 avg)
%            Number of connectives :  221 (  24   ~;  14   |;   2   &; 164   @)
%                                         (   0 <=>;  17  =>;   0  <=;   0 <~>)
%            Maximal formula depth :    9 (   2 avg)
%            Number of types       :    2 (   0 usr)
%            Number of type conns  :    4 (   4   >;   0   *;   0   +;   0  <<)
%            Number of symbols     :   10 (   7 usr;   7 con; 0-2 aty)
%            Number of variables   :   46 (   0   ^  46   !;   0   ?;  46   :)

% Comments : 
%------------------------------------------------------------------------------
thf(tp_emptyset,type,
    emptyset: $i ).

thf(tp_eqinunit,type,
    eqinunit: $o ).

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

thf(tp_sK1_Xx,type,
    sK1_Xx: $i ).

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

thf(tp_setadjoin,type,
    setadjoin: $i > $i > $i ).

thf(tp_uniqinunit,type,
    uniqinunit: $o ).

thf(eqinunit,definition,
    ( eqinunit
    = ( ! [Xx: $i,Xy: $i] :
          ( ( Xx = Xy )
         => ( in @ Xx @ ( setadjoin @ Xy @ emptyset ) ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',eqinunit) ).

thf(uniqinunit,definition,
    ( uniqinunit
    = ( ! [Xx: $i,Xy: $i] :
          ( ( in @ Xx @ ( setadjoin @ Xy @ emptyset ) )
         => ( Xx = Xy ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',uniqinunit) ).

thf(1,conjecture,
    ( uniqinunit
   => ( eqinunit
     => ! [Xx: $i,Xy: $i] :
          ( ( in @ Xx @ ( setadjoin @ Xy @ emptyset ) )
         => ( in @ Xy @ ( setadjoin @ Xx @ emptyset ) ) ) ) ),
    file('/export/starexec/sandbox2/benchmark/theBenchmark.p',singletonsswitch) ).

thf(2,negated_conjecture,
    ( ( uniqinunit
     => ( eqinunit
       => ! [Xx: $i,Xy: $i] :
            ( ( in @ Xx @ ( setadjoin @ Xy @ emptyset ) )
           => ( in @ Xy @ ( setadjoin @ Xx @ emptyset ) ) ) ) )
    = $false ),
    inference(negate_conjecture,[status(cth)],[1]) ).

thf(3,plain,
    ( ( ! [Xx: $i,Xy: $i] :
          ( ( in @ Xx @ ( setadjoin @ Xy @ emptyset ) )
         => ( Xx = Xy ) )
     => ( ! [Xx: $i,Xy: $i] :
            ( ( Xx = Xy )
           => ( in @ Xx @ ( setadjoin @ Xy @ emptyset ) ) )
       => ! [Xx: $i,Xy: $i] :
            ( ( in @ Xx @ ( setadjoin @ Xy @ emptyset ) )
           => ( in @ Xy @ ( setadjoin @ Xx @ emptyset ) ) ) ) )
    = $false ),
    inference(unfold_def,[status(thm)],[2,eqinunit,uniqinunit]) ).

thf(4,plain,
    ( ( ! [Xx: $i,Xy: $i] :
          ( ( in @ Xx @ ( setadjoin @ Xy @ emptyset ) )
         => ( Xx = Xy ) ) )
    = $true ),
    inference(standard_cnf,[status(thm)],[3]) ).

thf(5,plain,
    ( ( ! [Xx: $i,Xy: $i] :
          ( ( Xx = Xy )
         => ( in @ Xx @ ( setadjoin @ Xy @ emptyset ) ) ) )
    = $true ),
    inference(standard_cnf,[status(thm)],[3]) ).

thf(6,plain,
    ( ( ! [Xx: $i,Xy: $i] :
          ( ( in @ Xx @ ( setadjoin @ Xy @ emptyset ) )
         => ( in @ Xy @ ( setadjoin @ Xx @ emptyset ) ) ) )
    = $false ),
    inference(standard_cnf,[status(thm)],[3]) ).

thf(7,plain,
    ( ( ~ ! [Xx: $i,Xy: $i] :
            ( ( in @ Xx @ ( setadjoin @ Xy @ emptyset ) )
           => ( in @ Xy @ ( setadjoin @ Xx @ emptyset ) ) ) )
    = $true ),
    inference(polarity_switch,[status(thm)],[6]) ).

thf(8,plain,
    ( ( ( in @ sK1_Xx @ ( setadjoin @ sK2_SY8 @ emptyset ) )
      & ~ ( in @ sK2_SY8 @ ( setadjoin @ sK1_Xx @ emptyset ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[7]) ).

thf(9,plain,
    ( ( ! [Xx: $i,Xy: $i] :
          ( ~ ( in @ Xx @ ( setadjoin @ Xy @ emptyset ) )
          | ( Xx = Xy ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[4]) ).

thf(10,plain,
    ( ( ! [Xx: $i,Xy: $i] :
          ( ( Xx != Xy )
          | ( in @ Xx @ ( setadjoin @ Xy @ emptyset ) ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[5]) ).

thf(11,plain,
    ( ( ! [Xx: $i,Xy: $i] :
          ( ( Xx != Xy )
          | ( in @ Xx @ ( setadjoin @ Xy @ emptyset ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[10]) ).

thf(12,plain,
    ( ( ! [Xx: $i,Xy: $i] :
          ( ~ ( in @ Xx @ ( setadjoin @ Xy @ emptyset ) )
          | ( Xx = Xy ) ) )
    = $true ),
    inference(copy,[status(thm)],[9]) ).

thf(13,plain,
    ( ( ( in @ sK1_Xx @ ( setadjoin @ sK2_SY8 @ emptyset ) )
      & ~ ( in @ sK2_SY8 @ ( setadjoin @ sK1_Xx @ emptyset ) ) )
    = $true ),
    inference(copy,[status(thm)],[8]) ).

thf(14,plain,
    ( ( ~ ( ~ ( in @ sK1_Xx @ ( setadjoin @ sK2_SY8 @ emptyset ) )
          | ~ ~ ( in @ sK2_SY8 @ ( setadjoin @ sK1_Xx @ emptyset ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[13,eqinunit,uniqinunit]) ).

thf(15,plain,
    ! [SV1: $i] :
      ( ( ! [SY9: $i] :
            ( ( SV1 != SY9 )
            | ( in @ SV1 @ ( setadjoin @ SY9 @ emptyset ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[11]) ).

thf(16,plain,
    ! [SV2: $i] :
      ( ( ! [SY10: $i] :
            ( ~ ( in @ SV2 @ ( setadjoin @ SY10 @ emptyset ) )
            | ( SV2 = SY10 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[12]) ).

thf(17,plain,
    ( ( ~ ( in @ sK1_Xx @ ( setadjoin @ sK2_SY8 @ emptyset ) )
      | ~ ~ ( in @ sK2_SY8 @ ( setadjoin @ sK1_Xx @ emptyset ) ) )
    = $false ),
    inference(extcnf_not_pos,[status(thm)],[14]) ).

thf(18,plain,
    ! [SV3: $i,SV1: $i] :
      ( ( ( SV1 != SV3 )
        | ( in @ SV1 @ ( setadjoin @ SV3 @ emptyset ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[15]) ).

thf(19,plain,
    ! [SV4: $i,SV2: $i] :
      ( ( ~ ( in @ SV2 @ ( setadjoin @ SV4 @ emptyset ) )
        | ( SV2 = SV4 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[16]) ).

thf(20,plain,
    ( ( ~ ( in @ sK1_Xx @ ( setadjoin @ sK2_SY8 @ emptyset ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[17]) ).

thf(21,plain,
    ( ( ~ ~ ( in @ sK2_SY8 @ ( setadjoin @ sK1_Xx @ emptyset ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[17]) ).

thf(22,plain,
    ! [SV3: $i,SV1: $i] :
      ( ( ( ( SV1 != SV3 ) )
        = $true )
      | ( ( in @ SV1 @ ( setadjoin @ SV3 @ emptyset ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[18]) ).

thf(23,plain,
    ! [SV4: $i,SV2: $i] :
      ( ( ( ~ ( in @ SV2 @ ( setadjoin @ SV4 @ emptyset ) ) )
        = $true )
      | ( ( SV2 = SV4 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[19]) ).

thf(24,plain,
    ( ( in @ sK1_Xx @ ( setadjoin @ sK2_SY8 @ emptyset ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[20]) ).

thf(25,plain,
    ( ( ~ ( in @ sK2_SY8 @ ( setadjoin @ sK1_Xx @ emptyset ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[21]) ).

thf(26,plain,
    ! [SV3: $i,SV1: $i] :
      ( ( ( SV1 = SV3 )
        = $false )
      | ( ( in @ SV1 @ ( setadjoin @ SV3 @ emptyset ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[22]) ).

thf(27,plain,
    ! [SV4: $i,SV2: $i] :
      ( ( ( in @ SV2 @ ( setadjoin @ SV4 @ emptyset ) )
        = $false )
      | ( ( SV2 = SV4 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[23]) ).

thf(28,plain,
    ( ( in @ sK2_SY8 @ ( setadjoin @ sK1_Xx @ emptyset ) )
    = $false ),
    inference(extcnf_not_pos,[status(thm)],[25]) ).

thf(29,plain,
    $false = $true,
    inference(fo_atp_e,[status(thm)],[24,28,27,26]) ).

thf(30,plain,
    $false,
    inference(solved_all_splits,[solved_all_splits(join,[])],[29]) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.12/0.12  % Problem  : SEU530^2 : TPTP v8.1.0. Released v3.7.0.
% 0.12/0.13  % Command  : leo --timeout %d --proofoutput 1 --foatp e --atp e=./eprover %s
% 0.12/0.34  % Computer : n021.cluster.edu
% 0.12/0.34  % Model    : x86_64 x86_64
% 0.12/0.34  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.12/0.34  % Memory   : 8042.1875MB
% 0.12/0.34  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.12/0.34  % CPULimit : 300
% 0.12/0.34  % WCLimit  : 600
% 0.12/0.34  % DateTime : Mon Jun 20 12:19:33 EDT 2022
% 0.12/0.34  % CPUTime  : 
% 0.12/0.34  
% 0.12/0.34   No.of.Axioms: 0
% 0.12/0.34  
% 0.12/0.34   Length.of.Defs: 360
% 0.12/0.34  
% 0.12/0.34   Contains.Choice.Funs: false
% 0.12/0.34  (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).
% 0.12/0.37  
% 0.12/0.37  ********************************
% 0.12/0.37  *   All subproblems solved!    *
% 0.12/0.37  ********************************
% 0.12/0.37  % SZS status Theorem for /export/starexec/sandbox2/benchmark/theBenchmark.p : (rf:0,axioms:2,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:29,loop_count:0,foatp_calls:1,translation:fof_full)
% 0.12/0.37  
% 0.12/0.37  %**** Beginning of derivation protocol ****
% 0.12/0.37  % SZS output start CNFRefutation
% See solution above
% 0.12/0.37  
% 0.12/0.37  %**** End of derivation protocol ****
% 0.12/0.37  %**** no. of clauses in derivation: 30 ****
% 0.12/0.37  %**** clause counter: 29 ****
% 0.12/0.37  
% 0.12/0.37  % SZS status Theorem for /export/starexec/sandbox2/benchmark/theBenchmark.p : (rf:0,axioms:2,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:29,loop_count:0,foatp_calls:1,translation:fof_full)
%------------------------------------------------------------------------------