TSTP Solution File: SEU651^2 by LEO-II---1.7.0

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : LEO-II---1.7.0
% Problem  : SEU651^2 : 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 : n029.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 12:13:40 EDT 2022

% Result   : Theorem 0.63s 0.84s
% Output   : CNFRefutation 0.63s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   16
%            Number of leaves      :   14
% Syntax   : Number of formulae    :   52 (  37 unt;  10 typ;   3 def)
%            Number of atoms       :  178 ( 111 equ;   0 cnn)
%            Maximal formula atoms :    6 (   4 avg)
%            Number of connectives :  509 (  43   ~;  19   |;   4   &; 418   @)
%                                         (   0 <=>;  25  =>;   0  <=;   0 <~>)
%            Maximal formula depth :   10 (   2 avg)
%            Number of types       :    2 (   0 usr)
%            Number of type conns  :    4 (   4   >;   0   *;   0   +;   0  <<)
%            Number of symbols     :   13 (  10 usr;  10 con; 0-2 aty)
%            Number of variables   :   68 (   0   ^  68   !;   0   ?;  68   :)

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

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

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

thf(tp_sK2_SY14,type,
    sK2_SY14: $i ).

thf(tp_sK3_SY17,type,
    sK3_SY17: $i ).

thf(tp_sK4_SY19,type,
    sK4_SY19: $i ).

thf(tp_secondinupair,type,
    secondinupair: $o ).

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

thf(tp_setukpairinjR12,type,
    setukpairinjR12: $o ).

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

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

thf(setukpairinjR12,definition,
    ( setukpairinjR12
    = ( ! [Xx: $i,Xy: $i] :
          ( ( Xx = Xy )
         => ( ( setadjoin @ ( setadjoin @ Xx @ emptyset ) @ ( setadjoin @ ( setadjoin @ Xx @ ( setadjoin @ Xy @ emptyset ) ) @ emptyset ) )
            = ( setadjoin @ ( setadjoin @ Xx @ emptyset ) @ emptyset ) ) ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',setukpairinjR12) ).

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

thf(1,conjecture,
    ( uniqinunit
   => ( secondinupair
     => ( setukpairinjR12
       => ! [Xx: $i,Xy: $i,Xz: $i,Xu: $i] :
            ( ( ( setadjoin @ ( setadjoin @ Xx @ emptyset ) @ ( setadjoin @ ( setadjoin @ Xx @ ( setadjoin @ Xy @ emptyset ) ) @ emptyset ) )
              = ( setadjoin @ ( setadjoin @ Xz @ emptyset ) @ ( setadjoin @ ( setadjoin @ Xz @ ( setadjoin @ Xu @ emptyset ) ) @ emptyset ) ) )
           => ( ( Xz = Xu )
             => ( Xy = Xu ) ) ) ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',setukpairinjR1) ).

thf(2,negated_conjecture,
    ( ( uniqinunit
     => ( secondinupair
       => ( setukpairinjR12
         => ! [Xx: $i,Xy: $i,Xz: $i,Xu: $i] :
              ( ( ( setadjoin @ ( setadjoin @ Xx @ emptyset ) @ ( setadjoin @ ( setadjoin @ Xx @ ( setadjoin @ Xy @ emptyset ) ) @ emptyset ) )
                = ( setadjoin @ ( setadjoin @ Xz @ emptyset ) @ ( setadjoin @ ( setadjoin @ Xz @ ( setadjoin @ Xu @ emptyset ) ) @ emptyset ) ) )
             => ( ( Xz = Xu )
               => ( Xy = Xu ) ) ) ) ) )
    = $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] : ( in @ Xy @ ( setadjoin @ Xx @ ( setadjoin @ Xy @ emptyset ) ) )
       => ( ! [Xx: $i,Xy: $i] :
              ( ( Xx = Xy )
             => ( ( setadjoin @ ( setadjoin @ Xx @ emptyset ) @ ( setadjoin @ ( setadjoin @ Xx @ ( setadjoin @ Xy @ emptyset ) ) @ emptyset ) )
                = ( setadjoin @ ( setadjoin @ Xx @ emptyset ) @ emptyset ) ) )
         => ! [Xx: $i,Xy: $i,Xz: $i,Xu: $i] :
              ( ( ( setadjoin @ ( setadjoin @ Xx @ emptyset ) @ ( setadjoin @ ( setadjoin @ Xx @ ( setadjoin @ Xy @ emptyset ) ) @ emptyset ) )
                = ( setadjoin @ ( setadjoin @ Xz @ emptyset ) @ ( setadjoin @ ( setadjoin @ Xz @ ( setadjoin @ Xu @ emptyset ) ) @ emptyset ) ) )
             => ( ( Xz = Xu )
               => ( Xy = Xu ) ) ) ) ) )
    = $false ),
    inference(unfold_def,[status(thm)],[2,secondinupair,setukpairinjR12,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] : ( in @ Xy @ ( setadjoin @ Xx @ ( setadjoin @ Xy @ emptyset ) ) ) )
    = $true ),
    inference(standard_cnf,[status(thm)],[3]) ).

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

thf(7,plain,
    ( ( ! [Xx: $i,Xy: $i,Xz: $i,Xu: $i] :
          ( ( ( setadjoin @ ( setadjoin @ Xx @ emptyset ) @ ( setadjoin @ ( setadjoin @ Xx @ ( setadjoin @ Xy @ emptyset ) ) @ emptyset ) )
            = ( setadjoin @ ( setadjoin @ Xz @ emptyset ) @ ( setadjoin @ ( setadjoin @ Xz @ ( setadjoin @ Xu @ emptyset ) ) @ emptyset ) ) )
         => ( ( Xz = Xu )
           => ( Xy = Xu ) ) ) )
    = $false ),
    inference(standard_cnf,[status(thm)],[3]) ).

thf(8,plain,
    ( ( ~ ! [Xx: $i,Xy: $i,Xz: $i,Xu: $i] :
            ( ( ( setadjoin @ ( setadjoin @ Xx @ emptyset ) @ ( setadjoin @ ( setadjoin @ Xx @ ( setadjoin @ Xy @ emptyset ) ) @ emptyset ) )
              = ( setadjoin @ ( setadjoin @ Xz @ emptyset ) @ ( setadjoin @ ( setadjoin @ Xz @ ( setadjoin @ Xu @ emptyset ) ) @ emptyset ) ) )
           => ( ( Xz = Xu )
             => ( Xy = Xu ) ) ) )
    = $true ),
    inference(polarity_switch,[status(thm)],[7]) ).

thf(9,plain,
    ( ( ( ( setadjoin @ ( setadjoin @ sK1_Xx @ emptyset ) @ ( setadjoin @ ( setadjoin @ sK1_Xx @ ( setadjoin @ sK2_SY14 @ emptyset ) ) @ emptyset ) )
        = ( setadjoin @ ( setadjoin @ sK3_SY17 @ emptyset ) @ ( setadjoin @ ( setadjoin @ sK3_SY17 @ ( setadjoin @ sK4_SY19 @ emptyset ) ) @ emptyset ) ) )
      & ( sK3_SY17 = sK4_SY19 )
      & ( sK2_SY14 != sK4_SY19 ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[8]) ).

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

thf(11,plain,
    ( ( ! [Xx: $i,Xy: $i] :
          ( ( Xx != Xy )
          | ( ( setadjoin @ ( setadjoin @ Xx @ emptyset ) @ ( setadjoin @ ( setadjoin @ Xx @ ( setadjoin @ Xy @ emptyset ) ) @ emptyset ) )
            = ( setadjoin @ ( setadjoin @ Xx @ emptyset ) @ emptyset ) ) ) )
    = $true ),
    inference(extcnf_combined,[status(esa)],[6]) ).

thf(12,plain,
    ( ( ! [Xx: $i,Xy: $i] :
          ( ( Xx != Xy )
          | ( ( setadjoin @ ( setadjoin @ Xx @ emptyset ) @ ( setadjoin @ ( setadjoin @ Xx @ ( setadjoin @ Xy @ emptyset ) ) @ emptyset ) )
            = ( setadjoin @ ( setadjoin @ Xx @ emptyset ) @ emptyset ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[11]) ).

thf(13,plain,
    ( ( ! [Xx: $i,Xy: $i] : ( in @ Xy @ ( setadjoin @ Xx @ ( setadjoin @ Xy @ emptyset ) ) ) )
    = $true ),
    inference(copy,[status(thm)],[5]) ).

thf(14,plain,
    ( ( ! [Xx: $i,Xy: $i] :
          ( ~ ( in @ Xx @ ( setadjoin @ Xy @ emptyset ) )
          | ( Xx = Xy ) ) )
    = $true ),
    inference(copy,[status(thm)],[10]) ).

thf(15,plain,
    ( ( ( ( setadjoin @ ( setadjoin @ sK1_Xx @ emptyset ) @ ( setadjoin @ ( setadjoin @ sK1_Xx @ ( setadjoin @ sK2_SY14 @ emptyset ) ) @ emptyset ) )
        = ( setadjoin @ ( setadjoin @ sK3_SY17 @ emptyset ) @ ( setadjoin @ ( setadjoin @ sK3_SY17 @ ( setadjoin @ sK4_SY19 @ emptyset ) ) @ emptyset ) ) )
      & ( sK3_SY17 = sK4_SY19 )
      & ( sK2_SY14 != sK4_SY19 ) )
    = $true ),
    inference(copy,[status(thm)],[9]) ).

thf(16,plain,
    ( ( ~ ( ( ( setadjoin @ ( setadjoin @ sK1_Xx @ emptyset ) @ ( setadjoin @ ( setadjoin @ sK1_Xx @ ( setadjoin @ sK2_SY14 @ emptyset ) ) @ emptyset ) )
           != ( setadjoin @ ( setadjoin @ sK3_SY17 @ emptyset ) @ ( setadjoin @ ( setadjoin @ sK3_SY17 @ ( setadjoin @ sK4_SY19 @ emptyset ) ) @ emptyset ) ) )
          | ~ ~ ( ( sK3_SY17 != sK4_SY19 )
                | ~ ( ( sK2_SY14 != sK4_SY19 ) ) ) ) )
    = $true ),
    inference(unfold_def,[status(thm)],[15,secondinupair,setukpairinjR12,uniqinunit]) ).

thf(17,plain,
    ! [SV1: $i] :
      ( ( ! [SY20: $i] :
            ( ( SV1 != SY20 )
            | ( ( setadjoin @ ( setadjoin @ SV1 @ emptyset ) @ ( setadjoin @ ( setadjoin @ SV1 @ ( setadjoin @ SY20 @ emptyset ) ) @ emptyset ) )
              = ( setadjoin @ ( setadjoin @ SV1 @ emptyset ) @ emptyset ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[12]) ).

thf(18,plain,
    ! [SV2: $i] :
      ( ( ! [SY21: $i] : ( in @ SY21 @ ( setadjoin @ SV2 @ ( setadjoin @ SY21 @ emptyset ) ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[13]) ).

thf(19,plain,
    ! [SV3: $i] :
      ( ( ! [SY22: $i] :
            ( ~ ( in @ SV3 @ ( setadjoin @ SY22 @ emptyset ) )
            | ( SV3 = SY22 ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[14]) ).

thf(20,plain,
    ( ( ( ( setadjoin @ ( setadjoin @ sK1_Xx @ emptyset ) @ ( setadjoin @ ( setadjoin @ sK1_Xx @ ( setadjoin @ sK2_SY14 @ emptyset ) ) @ emptyset ) )
       != ( setadjoin @ ( setadjoin @ sK3_SY17 @ emptyset ) @ ( setadjoin @ ( setadjoin @ sK3_SY17 @ ( setadjoin @ sK4_SY19 @ emptyset ) ) @ emptyset ) ) )
      | ~ ~ ( ( sK3_SY17 != sK4_SY19 )
            | ~ ( ( sK2_SY14 != sK4_SY19 ) ) ) )
    = $false ),
    inference(extcnf_not_pos,[status(thm)],[16]) ).

thf(21,plain,
    ! [SV4: $i,SV1: $i] :
      ( ( ( SV1 != SV4 )
        | ( ( setadjoin @ ( setadjoin @ SV1 @ emptyset ) @ ( setadjoin @ ( setadjoin @ SV1 @ ( setadjoin @ SV4 @ emptyset ) ) @ emptyset ) )
          = ( setadjoin @ ( setadjoin @ SV1 @ emptyset ) @ emptyset ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[17]) ).

thf(22,plain,
    ! [SV2: $i,SV5: $i] :
      ( ( in @ SV5 @ ( setadjoin @ SV2 @ ( setadjoin @ SV5 @ emptyset ) ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[18]) ).

thf(23,plain,
    ! [SV6: $i,SV3: $i] :
      ( ( ~ ( in @ SV3 @ ( setadjoin @ SV6 @ emptyset ) )
        | ( SV3 = SV6 ) )
      = $true ),
    inference(extcnf_forall_pos,[status(thm)],[19]) ).

thf(24,plain,
    ( ( ( ( setadjoin @ ( setadjoin @ sK1_Xx @ emptyset ) @ ( setadjoin @ ( setadjoin @ sK1_Xx @ ( setadjoin @ sK2_SY14 @ emptyset ) ) @ emptyset ) )
       != ( setadjoin @ ( setadjoin @ sK3_SY17 @ emptyset ) @ ( setadjoin @ ( setadjoin @ sK3_SY17 @ ( setadjoin @ sK4_SY19 @ emptyset ) ) @ emptyset ) ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[20]) ).

thf(25,plain,
    ( ( ~ ~ ( ( sK3_SY17 != sK4_SY19 )
            | ~ ( ( sK2_SY14 != sK4_SY19 ) ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[20]) ).

thf(26,plain,
    ! [SV4: $i,SV1: $i] :
      ( ( ( ( SV1 != SV4 ) )
        = $true )
      | ( ( ( setadjoin @ ( setadjoin @ SV1 @ emptyset ) @ ( setadjoin @ ( setadjoin @ SV1 @ ( setadjoin @ SV4 @ emptyset ) ) @ emptyset ) )
          = ( setadjoin @ ( setadjoin @ SV1 @ emptyset ) @ emptyset ) )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[21]) ).

thf(27,plain,
    ! [SV6: $i,SV3: $i] :
      ( ( ( ~ ( in @ SV3 @ ( setadjoin @ SV6 @ emptyset ) ) )
        = $true )
      | ( ( SV3 = SV6 )
        = $true ) ),
    inference(extcnf_or_pos,[status(thm)],[23]) ).

thf(28,plain,
    ( ( ( setadjoin @ ( setadjoin @ sK1_Xx @ emptyset ) @ ( setadjoin @ ( setadjoin @ sK1_Xx @ ( setadjoin @ sK2_SY14 @ emptyset ) ) @ emptyset ) )
      = ( setadjoin @ ( setadjoin @ sK3_SY17 @ emptyset ) @ ( setadjoin @ ( setadjoin @ sK3_SY17 @ ( setadjoin @ sK4_SY19 @ emptyset ) ) @ emptyset ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[24]) ).

thf(29,plain,
    ( ( ~ ( ( sK3_SY17 != sK4_SY19 )
          | ~ ( ( sK2_SY14 != sK4_SY19 ) ) ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[25]) ).

thf(30,plain,
    ! [SV4: $i,SV1: $i] :
      ( ( ( SV1 = SV4 )
        = $false )
      | ( ( ( setadjoin @ ( setadjoin @ SV1 @ emptyset ) @ ( setadjoin @ ( setadjoin @ SV1 @ ( setadjoin @ SV4 @ emptyset ) ) @ emptyset ) )
          = ( setadjoin @ ( setadjoin @ SV1 @ emptyset ) @ emptyset ) )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[26]) ).

thf(31,plain,
    ! [SV6: $i,SV3: $i] :
      ( ( ( in @ SV3 @ ( setadjoin @ SV6 @ emptyset ) )
        = $false )
      | ( ( SV3 = SV6 )
        = $true ) ),
    inference(extcnf_not_pos,[status(thm)],[27]) ).

thf(32,plain,
    ( ( ( sK3_SY17 != sK4_SY19 )
      | ~ ( ( sK2_SY14 != sK4_SY19 ) ) )
    = $false ),
    inference(extcnf_not_pos,[status(thm)],[29]) ).

thf(33,plain,
    ( ( ( sK3_SY17 != sK4_SY19 ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[32]) ).

thf(34,plain,
    ( ( ~ ( ( sK2_SY14 != sK4_SY19 ) ) )
    = $false ),
    inference(extcnf_or_neg,[status(thm)],[32]) ).

thf(35,plain,
    ( ( sK3_SY17 = sK4_SY19 )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[33]) ).

thf(36,plain,
    ( ( ( sK2_SY14 != sK4_SY19 ) )
    = $true ),
    inference(extcnf_not_neg,[status(thm)],[34]) ).

thf(37,plain,
    ( ( sK2_SY14 = sK4_SY19 )
    = $false ),
    inference(extcnf_not_pos,[status(thm)],[36]) ).

thf(38,plain,
    $false = $true,
    inference(fo_atp_e,[status(thm)],[22,37,35,31,30,28]) ).

thf(39,plain,
    $false,
    inference(solved_all_splits,[solved_all_splits(join,[])],[38]) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.07/0.12  % Problem  : SEU651^2 : TPTP v8.1.0. Released v3.7.0.
% 0.07/0.13  % Command  : leo --timeout %d --proofoutput 1 --foatp e --atp e=./eprover %s
% 0.14/0.34  % Computer : n029.cluster.edu
% 0.14/0.34  % Model    : x86_64 x86_64
% 0.14/0.34  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.14/0.34  % Memory   : 8042.1875MB
% 0.14/0.34  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.14/0.34  % CPULimit : 300
% 0.14/0.34  % WCLimit  : 600
% 0.14/0.34  % DateTime : Mon Jun 20 01:07:00 EDT 2022
% 0.14/0.34  % CPUTime  : 
% 0.14/0.35  
% 0.14/0.35   No.of.Axioms: 0
% 0.14/0.35  
% 0.14/0.35   Length.of.Defs: 695
% 0.14/0.35  
% 0.14/0.35   Contains.Choice.Funs: false
% 0.14/0.35  (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)..
% 0.63/0.84  
% 0.63/0.84  ********************************
% 0.63/0.84  *   All subproblems solved!    *
% 0.63/0.84  ********************************
% 0.63/0.84  % 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:38,loop_count:0,foatp_calls:1,translation:fof_full)
% 0.63/0.84  
% 0.63/0.84  %**** Beginning of derivation protocol ****
% 0.63/0.84  % SZS output start CNFRefutation
% See solution above
% 0.63/0.84  
% 0.63/0.84  %**** End of derivation protocol ****
% 0.63/0.84  %**** no. of clauses in derivation: 39 ****
% 0.63/0.84  %**** clause counter: 38 ****
% 0.63/0.84  
% 0.63/0.84  % 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:38,loop_count:0,foatp_calls:1,translation:fof_full)
%------------------------------------------------------------------------------