↑ Up

DT2H2X---1.9.5.THM-Ref.s

View TPTP
Problem
Process solution in
SystemOnTSTP
Download .tgz
%------------------------------------------------------------------------------
% File     : DT2H2X---1.9.5
% Problem  : CSR150^1 : TPTP v9.2.1. Released v4.1.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : /export/starexec/sandbox/solver/bin/run_DT2H2X /export/starexec/sandbox/benchmark/theBenchmark.p 300

% Computer : n019.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  : 300s
% DateTime : Wed Feb 25 08:43:14 AM UTC 2026

% Result   : Theorem 1.37s 1.16s
% Output   : Refutation 1.37s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   16
%            Number of leaves      :   12
% Syntax   : Number of formulae    :   77 (   8 unt;   0 typ;   6 def)
%            Number of atoms       :  559 ( 127 equ;   0 cnn)
%            Maximal formula atoms :    6 (   7 avg)
%            Number of connectives :  560 ( 100   ~;  91   |;  22   &; 333   @)
%                                         (  12 <=>;   2  =>;   0  <=;   0 <~>)
%            Maximal formula depth :    9 (   5 avg)
%            Number of types       :    3 (   1 usr)
%            Number of type conns  :    0 (   0   >;   0   *;   0   +;   0  <<)
%            Number of symbols     :   20 (  17 usr;  11 con; 0-2 aty)
%            Number of variables   :   93 (  15   ^;  62   !;  16   ?;  93   :)

% Comments : 
%------------------------------------------------------------------------------
thf(func_def_0,type,
    num: $tType ).

thf(func_def_1,type,
    grandchild_THFTYPE_IiioI: $i > $i > $o ).

thf(func_def_2,type,
    grandparent_THFTYPE_IiioI: $i > $i > $o ).

thf(func_def_3,type,
    lCardinalityFn_THFTYPE_IIioIiI: ( $i > $o ) > $i ).

thf(func_def_5,type,
    ltet_THFTYPE_IiioI: $i > $i > $o ).

thf(func_def_7,type,
    parent_THFTYPE_IiioI: $i > $i > $o ).

thf(func_def_13,type,
    sK0: $i > $i > $i ).

thf(func_def_14,type,
    sK1: $i > $i > $i ).

thf(func_def_16,type,
    ph3: 
      !>[X0: $tType] : X0 ).

thf(f148,plain,
    $false,
    inference(avatar_sat_refutation,[status(thm)],[f42,f55,f64,f70,f85,f87,f147]) ).

thf(f147,plain,
    ( spl2_3
    | ~ spl2_4 ),
    inference(avatar_contradiction_clause,[status(thm)],[f146]) ).

thf(f146,plain,
    ( $false
    | spl2_3
    | ~ spl2_4 ),
    inference(subsumption_resolution,[status(thm)],[f145,f54]) ).

thf(f54,plain,
    ( ( ( grandparent_THFTYPE_IiioI @ lJohn_THFTYPE_i @ sK4 )
      = $true )
    | ~ spl2_4 ),
    inference(avatar_component_clause,[status(thm)],[f52]) ).

thf(f52,definition,
    ( spl2_4
  <=> ( ( grandparent_THFTYPE_IiioI @ lJohn_THFTYPE_i @ sK4 )
      = $true ) ),
    introduced(definition,[new_symbols(naming,[spl2_4])],[avatar_definition]) ).

thf(f145,plain,
    ( ( ( grandparent_THFTYPE_IiioI @ lJohn_THFTYPE_i @ sK4 )
     != $true )
    | spl2_3 ),
    inference(trivial_inequality_removal,[status(thm)],[f144]) ).

thf(f144,plain,
    ( ( $true != $true )
    | ( ( grandparent_THFTYPE_IiioI @ lJohn_THFTYPE_i @ sK4 )
     != $true )
    | spl2_3 ),
    inference(duplicate_literal_removal,[status(thm)],[f143]) ).

thf(f143,plain,
    ( ( $true != $true )
    | ( ( grandparent_THFTYPE_IiioI @ lJohn_THFTYPE_i @ sK4 )
     != $true )
    | ( ( grandparent_THFTYPE_IiioI @ lJohn_THFTYPE_i @ sK4 )
     != $true )
    | spl2_3 ),
    inference(superposition,[status(thm)],[f135,f28]) ).

thf(f28,plain,
    ! [X0: $i,X1: $i] :
      ( ( $true
        = ( parent_THFTYPE_IiioI @ ( sK1 @ X1 @ X0 ) @ X1 ) )
      | ( ( grandparent_THFTYPE_IiioI @ X0 @ X1 )
       != $true ) ),
    inference(cnf_transformation,[status(thm)],[f23]) ).

thf(f23,plain,
    ! [X0: $i,X1: $i] :
      ( ( ( ( $true
            = ( parent_THFTYPE_IiioI @ X0 @ ( sK1 @ X1 @ X0 ) ) )
          & ( $true
            = ( parent_THFTYPE_IiioI @ ( sK1 @ X1 @ X0 ) @ X1 ) ) )
        | ( ( grandparent_THFTYPE_IiioI @ X0 @ X1 )
         != $true ) )
      & ( ( ( grandparent_THFTYPE_IiioI @ X0 @ X1 )
          = $true )
        | ! [X3: $i] :
            ( ( ( parent_THFTYPE_IiioI @ X0 @ X3 )
             != $true )
            | ( ( parent_THFTYPE_IiioI @ X3 @ X1 )
             != $true ) ) ) ),
    inference(skolemisation,[status(esa),new_symbols(skolem,[sK1])],[f21,f22]) ).

thf(f22,plain,
    ! [X0: $i,X1: $i] :
      ( ? [X2: $i] :
          ( ( ( parent_THFTYPE_IiioI @ X0 @ X2 )
            = $true )
          & ( ( parent_THFTYPE_IiioI @ X2 @ X1 )
            = $true ) )
     => ( ( $true
          = ( parent_THFTYPE_IiioI @ X0 @ ( sK1 @ X1 @ X0 ) ) )
        & ( $true
          = ( parent_THFTYPE_IiioI @ ( sK1 @ X1 @ X0 ) @ X1 ) ) ) ),
    introduced(definition,[],[choice_axiom]) ).

thf(f21,plain,
    ! [X0: $i,X1: $i] :
      ( ( ? [X2: $i] :
            ( ( ( parent_THFTYPE_IiioI @ X0 @ X2 )
              = $true )
            & ( ( parent_THFTYPE_IiioI @ X2 @ X1 )
              = $true ) )
        | ( ( grandparent_THFTYPE_IiioI @ X0 @ X1 )
         != $true ) )
      & ( ( ( grandparent_THFTYPE_IiioI @ X0 @ X1 )
          = $true )
        | ! [X3: $i] :
            ( ( ( parent_THFTYPE_IiioI @ X0 @ X3 )
             != $true )
            | ( ( parent_THFTYPE_IiioI @ X3 @ X1 )
             != $true ) ) ) ),
    inference(rectify,[status(thm)],[f20]) ).

thf(f20,plain,
    ! [X0: $i,X1: $i] :
      ( ( ? [X2: $i] :
            ( ( ( parent_THFTYPE_IiioI @ X0 @ X2 )
              = $true )
            & ( ( parent_THFTYPE_IiioI @ X2 @ X1 )
              = $true ) )
        | ( ( grandparent_THFTYPE_IiioI @ X0 @ X1 )
         != $true ) )
      & ( ( ( grandparent_THFTYPE_IiioI @ X0 @ X1 )
          = $true )
        | ! [X2: $i] :
            ( ( ( parent_THFTYPE_IiioI @ X0 @ X2 )
             != $true )
            | ( ( parent_THFTYPE_IiioI @ X2 @ X1 )
             != $true ) ) ) ),
    inference(nnf_transformation,[status(thm)],[f14]) ).

thf(f14,plain,
    ! [X0: $i,X1: $i] :
      ( ? [X2: $i] :
          ( ( ( parent_THFTYPE_IiioI @ X0 @ X2 )
            = $true )
          & ( ( parent_THFTYPE_IiioI @ X2 @ X1 )
            = $true ) )
    <=> ( ( grandparent_THFTYPE_IiioI @ X0 @ X1 )
        = $true ) ),
    inference(fool_elimination,[status(thm)],[f13]) ).

thf(f13,plain,
    ! [X0: $i,X1: $i] :
      ( ? [X2: $i] :
          ( ( parent_THFTYPE_IiioI @ X2 @ X1 )
          & ( parent_THFTYPE_IiioI @ X0 @ X2 ) )
    <=> ( grandparent_THFTYPE_IiioI @ X0 @ X1 ) ),
    inference(rectify,[status(thm)],[f1]) ).

thf(f1,axiom,
    ! [X0: $i,X1: $i] :
      ( ? [X2: $i] :
          ( ( parent_THFTYPE_IiioI @ X2 @ X1 )
          & ( parent_THFTYPE_IiioI @ X0 @ X2 ) )
    <=> ( grandparent_THFTYPE_IiioI @ X0 @ X1 ) ),
    file('/export/starexec/sandbox/tmp/tmp.13RLo8Kl0C/DTF2THF_22518.p',ax) ).

thf(f135,plain,
    ( ! [X0: $i] :
        ( ( $true
         != ( parent_THFTYPE_IiioI @ ( sK1 @ X0 @ lJohn_THFTYPE_i ) @ sK4 ) )
        | ( ( grandparent_THFTYPE_IiioI @ lJohn_THFTYPE_i @ X0 )
         != $true ) )
    | spl2_3 ),
    inference(trivial_inequality_removal,[status(thm)],[f133]) ).

thf(f133,plain,
    ( ! [X0: $i] :
        ( ( $true
         != ( parent_THFTYPE_IiioI @ ( sK1 @ X0 @ lJohn_THFTYPE_i ) @ sK4 ) )
        | ( ( grandparent_THFTYPE_IiioI @ lJohn_THFTYPE_i @ X0 )
         != $true )
        | ( $true != $true ) )
    | spl2_3 ),
    inference(superposition,[status(thm)],[f89,f29]) ).

thf(f29,plain,
    ! [X0: $i,X1: $i] :
      ( ( $true
        = ( parent_THFTYPE_IiioI @ X0 @ ( sK1 @ X1 @ X0 ) ) )
      | ( ( grandparent_THFTYPE_IiioI @ X0 @ X1 )
       != $true ) ),
    inference(cnf_transformation,[status(thm)],[f23]) ).

thf(f89,plain,
    ( ! [X0: $i] :
        ( ( $true
         != ( parent_THFTYPE_IiioI @ lJohn_THFTYPE_i @ X0 ) )
        | ( ( parent_THFTYPE_IiioI @ X0 @ sK4 )
         != $true ) )
    | spl2_3 ),
    inference(trivial_inequality_removal,[status(thm)],[f88]) ).

thf(f88,plain,
    ( ! [X0: $i] :
        ( ( $true != $true )
        | ( $true
         != ( parent_THFTYPE_IiioI @ lJohn_THFTYPE_i @ X0 ) )
        | ( ( parent_THFTYPE_IiioI @ X0 @ sK4 )
         != $true ) )
    | spl2_3 ),
    inference(superposition,[status(thm)],[f49,f26]) ).

thf(f26,plain,
    ! [X2: $i,X0: $i,X1: $i] :
      ( ( ( grandchild_THFTYPE_IiioI @ X0 @ X1 )
        = $true )
      | ( ( parent_THFTYPE_IiioI @ X2 @ X0 )
       != $true )
      | ( ( parent_THFTYPE_IiioI @ X1 @ X2 )
       != $true ) ),
    inference(cnf_transformation,[status(thm)],[f19]) ).

thf(f19,plain,
    ! [X0: $i,X1: $i] :
      ( ( ( ( grandchild_THFTYPE_IiioI @ X0 @ X1 )
          = $true )
        | ! [X2: $i] :
            ( ( ( parent_THFTYPE_IiioI @ X2 @ X0 )
             != $true )
            | ( ( parent_THFTYPE_IiioI @ X1 @ X2 )
             != $true ) ) )
      & ( ( ( ( parent_THFTYPE_IiioI @ ( sK0 @ X1 @ X0 ) @ X0 )
            = $true )
          & ( ( parent_THFTYPE_IiioI @ X1 @ ( sK0 @ X1 @ X0 ) )
            = $true ) )
        | ( ( grandchild_THFTYPE_IiioI @ X0 @ X1 )
         != $true ) ) ),
    inference(skolemisation,[status(esa),new_symbols(skolem,[sK0])],[f17,f18]) ).

thf(f18,plain,
    ! [X0: $i,X1: $i] :
      ( ? [X3: $i] :
          ( ( ( parent_THFTYPE_IiioI @ X3 @ X0 )
            = $true )
          & ( ( parent_THFTYPE_IiioI @ X1 @ X3 )
            = $true ) )
     => ( ( ( parent_THFTYPE_IiioI @ ( sK0 @ X1 @ X0 ) @ X0 )
          = $true )
        & ( ( parent_THFTYPE_IiioI @ X1 @ ( sK0 @ X1 @ X0 ) )
          = $true ) ) ),
    introduced(definition,[],[choice_axiom]) ).

thf(f17,plain,
    ! [X0: $i,X1: $i] :
      ( ( ( ( grandchild_THFTYPE_IiioI @ X0 @ X1 )
          = $true )
        | ! [X2: $i] :
            ( ( ( parent_THFTYPE_IiioI @ X2 @ X0 )
             != $true )
            | ( ( parent_THFTYPE_IiioI @ X1 @ X2 )
             != $true ) ) )
      & ( ? [X3: $i] :
            ( ( ( parent_THFTYPE_IiioI @ X3 @ X0 )
              = $true )
            & ( ( parent_THFTYPE_IiioI @ X1 @ X3 )
              = $true ) )
        | ( ( grandchild_THFTYPE_IiioI @ X0 @ X1 )
         != $true ) ) ),
    inference(rectify,[status(thm)],[f16]) ).

thf(f16,plain,
    ! [X0: $i,X1: $i] :
      ( ( ( ( grandchild_THFTYPE_IiioI @ X0 @ X1 )
          = $true )
        | ! [X2: $i] :
            ( ( ( parent_THFTYPE_IiioI @ X2 @ X0 )
             != $true )
            | ( ( parent_THFTYPE_IiioI @ X1 @ X2 )
             != $true ) ) )
      & ( ? [X2: $i] :
            ( ( ( parent_THFTYPE_IiioI @ X2 @ X0 )
              = $true )
            & ( ( parent_THFTYPE_IiioI @ X1 @ X2 )
              = $true ) )
        | ( ( grandchild_THFTYPE_IiioI @ X0 @ X1 )
         != $true ) ) ),
    inference(nnf_transformation,[status(thm)],[f12]) ).

thf(f12,plain,
    ! [X0: $i,X1: $i] :
      ( ( ( grandchild_THFTYPE_IiioI @ X0 @ X1 )
        = $true )
    <=> ? [X2: $i] :
          ( ( ( parent_THFTYPE_IiioI @ X2 @ X0 )
            = $true )
          & ( ( parent_THFTYPE_IiioI @ X1 @ X2 )
            = $true ) ) ),
    inference(fool_elimination,[status(thm)],[f11]) ).

thf(f11,plain,
    ! [X0: $i,X1: $i] :
      ( ( grandchild_THFTYPE_IiioI @ X0 @ X1 )
    <=> ? [X2: $i] :
          ( ( parent_THFTYPE_IiioI @ X2 @ X0 )
          & ( parent_THFTYPE_IiioI @ X1 @ X2 ) ) ),
    inference(rectify,[status(thm)],[f3]) ).

thf(f3,axiom,
    ! [X0: $i,X1: $i] :
      ( ( grandchild_THFTYPE_IiioI @ X0 @ X1 )
    <=> ? [X2: $i] :
          ( ( parent_THFTYPE_IiioI @ X2 @ X0 )
          & ( parent_THFTYPE_IiioI @ X1 @ X2 ) ) ),
    file('/export/starexec/sandbox/tmp/tmp.13RLo8Kl0C/DTF2THF_22518.p',ax_002) ).

thf(f49,plain,
    ( ( $true
     != ( grandchild_THFTYPE_IiioI @ sK4 @ lJohn_THFTYPE_i ) )
    | spl2_3 ),
    inference(avatar_component_clause,[status(thm)],[f48]) ).

thf(f48,definition,
    ( spl2_3
  <=> ( $true
      = ( grandchild_THFTYPE_IiioI @ sK4 @ lJohn_THFTYPE_i ) ) ),
    introduced(definition,[new_symbols(naming,[spl2_3])],[avatar_definition]) ).

thf(f87,plain,
    ~ spl2_2,
    inference(avatar_contradiction_clause,[status(thm)],[f86]) ).

thf(f86,plain,
    ( $false
    | ~ spl2_2 ),
    inference(equality_resolution,[status(thm)],[f41]) ).

thf(f41,plain,
    ( ! [X0: $i] : ( n3_THFTYPE_i != X0 )
    | ~ spl2_2 ),
    inference(avatar_component_clause,[status(thm)],[f40]) ).

thf(f40,definition,
    ( spl2_2
  <=> ! [X0: $i] : ( n3_THFTYPE_i != X0 ) ),
    introduced(definition,[new_symbols(naming,[spl2_2])],[avatar_definition]) ).

thf(f85,plain,
    ( ~ spl2_3
    | ~ spl2_6 ),
    inference(avatar_contradiction_clause,[status(thm)],[f84]) ).

thf(f84,plain,
    ( $false
    | ~ spl2_3
    | ~ spl2_6 ),
    inference(subsumption_resolution,[status(thm)],[f83,f50]) ).

thf(f50,plain,
    ( ( $true
      = ( grandchild_THFTYPE_IiioI @ sK4 @ lJohn_THFTYPE_i ) )
    | ~ spl2_3 ),
    inference(avatar_component_clause,[status(thm)],[f48]) ).

thf(f83,plain,
    ( ( $true
     != ( grandchild_THFTYPE_IiioI @ sK4 @ lJohn_THFTYPE_i ) )
    | ~ spl2_6 ),
    inference(trivial_inequality_removal,[status(thm)],[f82]) ).

thf(f82,plain,
    ( ( $true
     != ( grandchild_THFTYPE_IiioI @ sK4 @ lJohn_THFTYPE_i ) )
    | ( $true != $true )
    | ~ spl2_6 ),
    inference(duplicate_literal_removal,[status(thm)],[f81]) ).

thf(f81,plain,
    ( ( $true
     != ( grandchild_THFTYPE_IiioI @ sK4 @ lJohn_THFTYPE_i ) )
    | ( $true
     != ( grandchild_THFTYPE_IiioI @ sK4 @ lJohn_THFTYPE_i ) )
    | ( $true != $true )
    | ~ spl2_6 ),
    inference(superposition,[status(thm)],[f79,f25]) ).

thf(f25,plain,
    ! [X0: $i,X1: $i] :
      ( ( ( parent_THFTYPE_IiioI @ ( sK0 @ X1 @ X0 ) @ X0 )
        = $true )
      | ( ( grandchild_THFTYPE_IiioI @ X0 @ X1 )
       != $true ) ),
    inference(cnf_transformation,[status(thm)],[f19]) ).

thf(f79,plain,
    ( ! [X0: $i] :
        ( ( $true
         != ( parent_THFTYPE_IiioI @ ( sK0 @ lJohn_THFTYPE_i @ X0 ) @ sK4 ) )
        | ( ( grandchild_THFTYPE_IiioI @ X0 @ lJohn_THFTYPE_i )
         != $true ) )
    | ~ spl2_6 ),
    inference(trivial_inequality_removal,[status(thm)],[f77]) ).

thf(f77,plain,
    ( ! [X0: $i] :
        ( ( $true
         != ( parent_THFTYPE_IiioI @ ( sK0 @ lJohn_THFTYPE_i @ X0 ) @ sK4 ) )
        | ( ( grandchild_THFTYPE_IiioI @ X0 @ lJohn_THFTYPE_i )
         != $true )
        | ( $true != $true ) )
    | ~ spl2_6 ),
    inference(superposition,[status(thm)],[f76,f24]) ).

thf(f24,plain,
    ! [X0: $i,X1: $i] :
      ( ( ( parent_THFTYPE_IiioI @ X1 @ ( sK0 @ X1 @ X0 ) )
        = $true )
      | ( ( grandchild_THFTYPE_IiioI @ X0 @ X1 )
       != $true ) ),
    inference(cnf_transformation,[status(thm)],[f19]) ).

thf(f76,plain,
    ( ! [X0: $i] :
        ( ( $true
         != ( parent_THFTYPE_IiioI @ lJohn_THFTYPE_i @ X0 ) )
        | ( ( parent_THFTYPE_IiioI @ X0 @ sK4 )
         != $true ) )
    | ~ spl2_6 ),
    inference(trivial_inequality_removal,[status(thm)],[f73]) ).

thf(f73,plain,
    ( ! [X0: $i] :
        ( ( $false = $true )
        | ( $true
         != ( parent_THFTYPE_IiioI @ lJohn_THFTYPE_i @ X0 ) )
        | ( ( parent_THFTYPE_IiioI @ X0 @ sK4 )
         != $true ) )
    | ~ spl2_6 ),
    inference(superposition,[status(thm)],[f27,f63]) ).

thf(f63,plain,
    ( ( ( grandparent_THFTYPE_IiioI @ lJohn_THFTYPE_i @ sK4 )
      = $false )
    | ~ spl2_6 ),
    inference(avatar_component_clause,[status(thm)],[f61]) ).

thf(f61,definition,
    ( spl2_6
  <=> ( ( grandparent_THFTYPE_IiioI @ lJohn_THFTYPE_i @ sK4 )
      = $false ) ),
    introduced(definition,[new_symbols(naming,[spl2_6])],[avatar_definition]) ).

thf(f27,plain,
    ! [X3: $i,X0: $i,X1: $i] :
      ( ( ( grandparent_THFTYPE_IiioI @ X0 @ X1 )
        = $true )
      | ( ( parent_THFTYPE_IiioI @ X0 @ X3 )
       != $true )
      | ( ( parent_THFTYPE_IiioI @ X3 @ X1 )
       != $true ) ),
    inference(cnf_transformation,[status(thm)],[f23]) ).

thf(f70,plain,
    ( ~ spl2_3
    | ~ spl2_5 ),
    inference(avatar_contradiction_clause,[status(thm)],[f69]) ).

thf(f69,plain,
    ( $false
    | ~ spl2_3
    | ~ spl2_5 ),
    inference(trivial_inequality_removal,[status(thm)],[f65]) ).

thf(f65,plain,
    ( ( $false = $true )
    | ~ spl2_3
    | ~ spl2_5 ),
    inference(superposition,[status(thm)],[f59,f50]) ).

thf(f59,plain,
    ( ( $false
      = ( grandchild_THFTYPE_IiioI @ sK4 @ lJohn_THFTYPE_i ) )
    | ~ spl2_5 ),
    inference(avatar_component_clause,[status(thm)],[f57]) ).

thf(f57,definition,
    ( spl2_5
  <=> ( $false
      = ( grandchild_THFTYPE_IiioI @ sK4 @ lJohn_THFTYPE_i ) ) ),
    introduced(definition,[new_symbols(naming,[spl2_5])],[avatar_definition]) ).

thf(f64,plain,
    ( spl2_5
    | spl2_6
    | spl2_1 ),
    inference(avatar_split_clause,[status(thm)],[f46,f36,f61,f57]) ).

thf(f36,definition,
    ( spl2_1
  <=> ( ( grandparent_THFTYPE_IiioI @ lJohn_THFTYPE_i )
      = ( ^ [Y0: $i] : ( grandchild_THFTYPE_IiioI @ Y0 @ lJohn_THFTYPE_i ) ) ) ),
    introduced(definition,[new_symbols(naming,[spl2_1])],[avatar_definition]) ).

thf(f46,plain,
    ( ( $false
      = ( grandchild_THFTYPE_IiioI @ sK4 @ lJohn_THFTYPE_i ) )
    | ( ( grandparent_THFTYPE_IiioI @ lJohn_THFTYPE_i @ sK4 )
      = $false )
    | spl2_1 ),
    inference(binary_proxy_clausification,[status(thm)],[f44]) ).

thf(f44,plain,
    ( ( ( grandparent_THFTYPE_IiioI @ lJohn_THFTYPE_i @ sK4 )
     != ( grandchild_THFTYPE_IiioI @ sK4 @ lJohn_THFTYPE_i ) )
    | spl2_1 ),
    inference(beta_eta_normalization,[status(thm)],[f43]) ).

thf(f43,plain,
    ( ( ( grandparent_THFTYPE_IiioI @ lJohn_THFTYPE_i @ sK4 )
     != ( ^ [Y0: $i] : ( grandchild_THFTYPE_IiioI @ Y0 @ lJohn_THFTYPE_i )
        @ sK4 ) )
    | spl2_1 ),
    inference(negative_extensionality,[status(thm)],[f38]) ).

thf(f38,plain,
    ( ( ( grandparent_THFTYPE_IiioI @ lJohn_THFTYPE_i )
     != ( ^ [Y0: $i] : ( grandchild_THFTYPE_IiioI @ Y0 @ lJohn_THFTYPE_i ) ) )
    | spl2_1 ),
    inference(avatar_component_clause,[status(thm)],[f36]) ).

thf(f55,plain,
    ( spl2_3
    | spl2_4
    | spl2_1 ),
    inference(avatar_split_clause,[status(thm)],[f45,f36,f52,f48]) ).

thf(f45,plain,
    ( ( ( grandparent_THFTYPE_IiioI @ lJohn_THFTYPE_i @ sK4 )
      = $true )
    | ( $true
      = ( grandchild_THFTYPE_IiioI @ sK4 @ lJohn_THFTYPE_i ) )
    | spl2_1 ),
    inference(binary_proxy_clausification,[status(thm)],[f44]) ).

thf(f42,plain,
    ( ~ spl2_1
    | spl2_2 ),
    inference(avatar_split_clause,[status(thm)],[f34,f40,f36]) ).

thf(f34,plain,
    ! [X0: $i] :
      ( ( ( grandparent_THFTYPE_IiioI @ lJohn_THFTYPE_i )
       != ( ^ [Y0: $i] : ( grandchild_THFTYPE_IiioI @ Y0 @ lJohn_THFTYPE_i ) ) )
      | ( n3_THFTYPE_i != X0 ) ),
    inference(trivial_inequality_removal,[status(thm)],[f33]) ).

thf(f33,plain,
    ! [X0: $i] :
      ( ( n3_THFTYPE_i != X0 )
      | ( ( grandparent_THFTYPE_IiioI @ lJohn_THFTYPE_i )
       != ( ^ [Y0: $i] : ( grandchild_THFTYPE_IiioI @ Y0 @ lJohn_THFTYPE_i ) ) )
      | ( $true != $true ) ),
    inference(constrained_superposition,[status(thm)],[f31,f32]) ).

thf(f32,plain,
    ( ( ltet_THFTYPE_IiioI @ ( lCardinalityFn_THFTYPE_IIioIiI @ ( grandparent_THFTYPE_IiioI @ lJohn_THFTYPE_i ) ) @ n3_THFTYPE_i )
    = $true ),
    inference(beta_eta_normalization,[status(thm)],[f30]) ).

thf(f30,plain,
    ( ( ltet_THFTYPE_IiioI
      @ ( lCardinalityFn_THFTYPE_IIioIiI
        @ ^ [Y0: $i] : ( grandparent_THFTYPE_IiioI @ lJohn_THFTYPE_i @ Y0 ) )
      @ n3_THFTYPE_i )
    = $true ),
    inference(cnf_transformation,[status(thm)],[f8]) ).

thf(f8,plain,
    ( ( ltet_THFTYPE_IiioI
      @ ( lCardinalityFn_THFTYPE_IIioIiI
        @ ^ [Y0: $i] : ( grandparent_THFTYPE_IiioI @ lJohn_THFTYPE_i @ Y0 ) )
      @ n3_THFTYPE_i )
    = $true ),
    inference(fool_elimination,[status(thm)],[f7]) ).

thf(f7,plain,
    ( ltet_THFTYPE_IiioI
    @ ( lCardinalityFn_THFTYPE_IIioIiI
      @ ^ [X0: $i] : ( grandparent_THFTYPE_IiioI @ lJohn_THFTYPE_i @ X0 ) )
    @ n3_THFTYPE_i ),
    inference(rectify,[status(thm)],[f2]) ).

thf(f2,axiom,
    ( ltet_THFTYPE_IiioI
    @ ( lCardinalityFn_THFTYPE_IIioIiI
      @ ^ [X0: $i] : ( grandparent_THFTYPE_IiioI @ lJohn_THFTYPE_i @ X0 ) )
    @ n3_THFTYPE_i ),
    file('/export/starexec/sandbox/tmp/tmp.13RLo8Kl0C/DTF2THF_22518.p',ax_001) ).

thf(f31,plain,
    ! [X0: $i] :
      ( ( ltet_THFTYPE_IiioI
        @ ( lCardinalityFn_THFTYPE_IIioIiI
          @ ^ [Y0: $i] : ( grandchild_THFTYPE_IiioI @ Y0 @ lJohn_THFTYPE_i ) )
        @ X0 )
     != $true ),
    inference(cnf_transformation,[status(thm)],[f15]) ).

thf(f15,plain,
    ! [X0: $i] :
      ( ( ltet_THFTYPE_IiioI
        @ ( lCardinalityFn_THFTYPE_IIioIiI
          @ ^ [Y0: $i] : ( grandchild_THFTYPE_IiioI @ Y0 @ lJohn_THFTYPE_i ) )
        @ X0 )
     != $true ),
    inference(ennf_transformation,[status(thm)],[f10]) ).

thf(f10,plain,
    ~ ? [X0: $i] :
        ( ( ltet_THFTYPE_IiioI
          @ ( lCardinalityFn_THFTYPE_IIioIiI
            @ ^ [Y0: $i] : ( grandchild_THFTYPE_IiioI @ Y0 @ lJohn_THFTYPE_i ) )
          @ X0 )
        = $true ),
    inference(fool_elimination,[status(thm)],[f9]) ).

thf(f9,plain,
    ~ ? [X0: $i] :
        ( ltet_THFTYPE_IiioI
        @ ( lCardinalityFn_THFTYPE_IIioIiI
          @ ^ [X1: $i] : ( grandchild_THFTYPE_IiioI @ X1 @ lJohn_THFTYPE_i ) )
        @ X0 ),
    inference(rectify,[status(thm)],[f5]) ).

thf(f5,negated_conjecture,
    ~ ? [X1: $i] :
        ( ltet_THFTYPE_IiioI
        @ ( lCardinalityFn_THFTYPE_IIioIiI
          @ ^ [X0: $i] : ( grandchild_THFTYPE_IiioI @ X0 @ lJohn_THFTYPE_i ) )
        @ X1 ),
    inference(negated_conjecture,[status(cth)],[f4]) ).

thf(f4,conjecture,
    ? [X1: $i] :
      ( ltet_THFTYPE_IiioI
      @ ( lCardinalityFn_THFTYPE_IIioIiI
        @ ^ [X0: $i] : ( grandchild_THFTYPE_IiioI @ X0 @ lJohn_THFTYPE_i ) )
      @ X1 ),
    file('/export/starexec/sandbox/tmp/tmp.13RLo8Kl0C/DTF2THF_22518.p',con) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.12  % Problem  : CSR150^1 : TPTP v9.2.1. Released v4.1.0.
% 0.12/0.13  % Command  : /export/starexec/sandbox/solver/bin/run_DT2H2X /export/starexec/sandbox/benchmark/theBenchmark.p 300
% 0.15/0.34  % Computer : n019.cluster.edu
% 0.15/0.34  % Model    : x86_64 x86_64
% 0.15/0.34  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.15/0.34  % Memory   : 8042.1875MB
% 0.15/0.34  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.15/0.34  % CPULimit : 300
% 0.15/0.34  % WCLimit  : 300
% 0.15/0.34  % DateTime : Tue Feb 24 05:54:09 EST 2026
% 0.15/0.34  % CPUTime  : 
% 0.15/0.34  Running /export/starexec/sandbox/solver/bin/run_DT2H2X /export/starexec/sandbox/benchmark/theBenchmark.p 300
% 0.26/0.45  ---- Original DTF file ---
% 0.26/0.45  thf(spec,logic,$$dhol).
% 0.26/0.45  %------------------------------------------------------------------------------
% 0.26/0.45  % File     : CSR150^1 : TPTP v9.2.1. Released v4.1.0.
% 0.26/0.45  % Domain   : Commonsense Reasoning
% 0.26/0.45  % Problem  : How many grandchildren does John at most have?
% 0.26/0.45  % Version  : Especial > Reduced > Especial.
% 0.26/0.45  % English  : The number of persons John is grandparent of is maximally three. 
% 0.26/0.45  %            How many grandchildren does John at most have?
% 0.26/0.45  
% 0.26/0.45  % Refs     : [PS07]  Pease & Sutcliffe (2007), First Order Reasoning on a L
% 0.26/0.45  %          : [BP10]  Benzmueller & Pease (2010), Progress in Automating Hig
% 0.26/0.45  %          : [Ben10] Benzmueller (2010), Email to Geoff Sutcliffe
% 0.26/0.45  % Source   : [Ben10]
% 0.26/0.45  % Names    : paar_6.tq_SUMO_local [Ben10]
% 0.26/0.45  
% 0.26/0.45  % Status   : Theorem
% 0.26/0.45  % Rating   : 0.08 v9.1.0, 0.12 v9.0.0, 0.08 v8.2.0, 0.09 v8.1.0, 0.08 v7.4.0, 0.11 v7.3.0, 0.10 v7.2.0, 0.12 v7.1.0, 0.14 v7.0.0, 0.12 v6.4.0, 0.14 v6.3.0, 0.17 v6.2.0, 0.00 v6.1.0, 0.50 v6.0.0, 0.17 v5.5.0, 0.20 v5.4.0, 0.25 v5.3.0, 0.50 v5.1.0, 0.75 v5.0.0, 0.50 v4.1.0
% 0.26/0.45  % Syntax   : Number of formulae    :   12 (   0 unt;   8 typ;   0 def)
% 0.26/0.45  %            Number of atoms       :   10 (   0 equ;   0 cnn)
% 0.26/0.45  %            Maximal formula atoms :    3 (   2 avg)
% 0.26/0.45  %            Number of connectives :   26 (   0   ~;   0   |;   2   &;  22   @)
% 0.26/0.45  %                                         (   2 <=>;   0  =>;   0  <=;   0 <~>)
% 0.26/0.45  %            Maximal formula depth :    8 (   8 avg)
% 0.26/0.45  %            Number of types       :    3 (   1 usr)
% 0.26/0.45  %            Number of type conns  :   10 (  10   >;   0   *;   0   +;   0  <<)
% 0.26/0.45  %            Number of symbols     :    7 (   7 usr;   2 con; 0-2 aty)
% 0.26/0.45  %            Number of variables   :    9 (   2   ^;   4   !;   3   ?;   9   :)
% 0.26/0.45  % SPC      : TH0_THM_NEQ_NAR
% 0.26/0.45  
% 0.26/0.45  % Comments : This is a simple test problem for reasoning in/about SUMO.
% 0.26/0.45  %            Initally the problem has been hand generated in KIF syntax in
% 0.26/0.45  %            SigmaKEE and then automatically translated by Benzmueller's
% 0.26/0.45  %            KIF2TH0 translator into THF syntax.
% 0.26/0.45  %          : The translation has been applied in two modes: local and SInE.
% 0.26/0.45  %            The local mode only translates the local assumptions and the
% 0.26/0.45  %            query. The SInE mode additionally translates the SInE-extract
% 0.26/0.45  %            of the loaded knowledge base (usually SUMO).
% 0.26/0.45  %          : The examples are selected to illustrate the benefits of
% 0.26/0.45  %            higher-order reasoning in ontology reasoning.
% 0.26/0.45  %------------------------------------------------------------------------------
% 0.26/0.45  %----The extracted Signature
% 0.26/0.45  thf(numbers,type,
% 0.26/0.45      num: $tType ).
% 0.26/0.45  
% 0.26/0.45  thf(grandchild_THFTYPE_IiioI,type,
% 0.26/0.45      grandchild_THFTYPE_IiioI: $i > $i > $o ).
% 0.26/0.45  
% 0.26/0.45  thf(grandparent_THFTYPE_IiioI,type,
% 0.26/0.45      grandparent_THFTYPE_IiioI: $i > $i > $o ).
% 0.26/0.45  
% 0.26/0.45  thf(lCardinalityFn_THFTYPE_IIioIiI,type,
% 0.26/0.45      lCardinalityFn_THFTYPE_IIioIiI: ( $i > $o ) > $i ).
% 0.26/0.45  
% 0.26/0.45  thf(lJohn_THFTYPE_i,type,
% 0.26/0.45      lJohn_THFTYPE_i: $i ).
% 0.26/0.45  
% 0.26/0.45  thf(ltet_THFTYPE_IiioI,type,
% 0.26/0.45      ltet_THFTYPE_IiioI: $i > $i > $o ).
% 0.26/0.45  
% 0.26/0.45  thf(n3_THFTYPE_i,type,
% 0.26/0.45      n3_THFTYPE_i: $i ).
% 0.26/0.45  
% 0.26/0.45  thf(parent_THFTYPE_IiioI,type,
% 0.26/0.45      parent_THFTYPE_IiioI: $i > $i > $o ).
% 0.26/0.45  
% 0.26/0.45  %----The translated axioms
% 0.26/0.45  thf(ax,axiom,
% 0.26/0.45      ! [X: $i,Y: $i] :
% 0.26/0.45        ( ( grandparent_THFTYPE_IiioI @ X @ Y )
% 0.26/0.45      <=> ? [Z: $i] :
% 0.26/0.45            ( ( parent_THFTYPE_IiioI @ X @ Z )
% 0.26/0.45            & ( parent_THFTYPE_IiioI @ Z @ Y ) ) ) ).
% 0.26/0.45  
% 0.26/0.45  thf(ax_001,axiom,
% 0.26/0.45      ( ltet_THFTYPE_IiioI
% 0.26/0.45      @ ( lCardinalityFn_THFTYPE_IIioIiI
% 0.26/0.45        @ ^ [X: $i] : ( grandparent_THFTYPE_IiioI @ lJohn_THFTYPE_i @ X ) )
% 0.26/0.45      @ n3_THFTYPE_i ) ).
% 0.26/0.45  
% 0.26/0.45  thf(ax_002,axiom,
% 0.26/0.45      ! [X: $i,Y: $i] :
% 0.26/0.45        ( ( grandchild_THFTYPE_IiioI @ X @ Y )
% 0.26/0.45      <=> ? [Z: $i] :
% 0.26/0.45            ( ( parent_THFTYPE_IiioI @ Z @ X )
% 0.26/0.45            & ( parent_THFTYPE_IiioI @ Y @ Z ) ) ) ).
% 0.26/0.45  
% 0.26/0.45  %----The translated conjectures
% 0.26/0.45  thf(con,conjecture,
% 0.26/0.45      ? [Y: $i] :
% 0.26/0.45        ( ltet_THFTYPE_IiioI
% 0.26/0.45        @ ( lCardinalityFn_THFTYPE_IIioIiI
% 0.26/0.45          @ ^ [X: $i] : ( grandchild_THFTYPE_IiioI @ X @ lJohn_THFTYPE_i ) )
% 0.26/0.45        @ Y ) ).
% 0.26/0.45  
% 0.26/0.45  %------------------------------------------------------------------------------
% 0.26/0.45  ------------------------
% 1.37/1.13  ---- Embedded in THF ---
% 1.37/1.13  %%% This output was generated by embedproblem, version 1.9.5 (library version 1.9).
% 1.37/1.13  %%% Generated on Tue Feb 24 05:54:10 EST 2026
% 1.37/1.13  %%% using '$$dhol' embedding, version 1.3.0.
% 1.37/1.13  %%% Logic specification used:
% 1.37/1.13  %%% thf(spec, logic, $$dhol).
% 1.37/1.13  
% 1.37/1.13  % SZS output start ListOfTHF for /export/starexec/sandbox/tmp/tmp.13RLo8Kl0C/DTF2DTF22518.p
% See solution above
% 1.37/1.13  ------------------------
% 1.37/1.13  ---- Cleaned THF ---
% 1.37/1.13  thf(numbers,type,
% 1.37/1.13      num: $tType ).
% 1.37/1.13  
% 1.37/1.13  thf(grandchild_THFTYPE_IiioI,type,
% 1.37/1.13      grandchild_THFTYPE_IiioI: $i > $i > $o ).
% 1.37/1.13  
% 1.37/1.13  thf(grandparent_THFTYPE_IiioI,type,
% 1.37/1.13      grandparent_THFTYPE_IiioI: $i > $i > $o ).
% 1.37/1.13  
% 1.37/1.13  thf(lCardinalityFn_THFTYPE_IIioIiI,type,
% 1.37/1.13      lCardinalityFn_THFTYPE_IIioIiI: ( $i > $o ) > $i ).
% 1.37/1.13  
% 1.37/1.13  thf(lJohn_THFTYPE_i,type,
% 1.37/1.13      lJohn_THFTYPE_i: $i ).
% 1.37/1.13  
% 1.37/1.13  thf(ltet_THFTYPE_IiioI,type,
% 1.37/1.13      ltet_THFTYPE_IiioI: $i > $i > $o ).
% 1.37/1.13  
% 1.37/1.13  thf(n3_THFTYPE_i,type,
% 1.37/1.13      n3_THFTYPE_i: $i ).
% 1.37/1.13  
% 1.37/1.13  thf(parent_THFTYPE_IiioI,type,
% 1.37/1.13      parent_THFTYPE_IiioI: $i > $i > $o ).
% 1.37/1.13  
% 1.37/1.13  thf(ax,axiom,
% 1.37/1.13      ! [X: $i,Y: $i] :
% 1.37/1.13        ( ( grandparent_THFTYPE_IiioI @ X @ Y )
% 1.37/1.13      <=> ? [Z: $i] :
% 1.37/1.13            ( ( parent_THFTYPE_IiioI @ X @ Z )
% 1.37/1.13            & ( parent_THFTYPE_IiioI @ Z @ Y ) ) ) ).
% 1.37/1.13  
% 1.37/1.13  thf(ax_001,axiom,
% 1.37/1.13      ( ltet_THFTYPE_IiioI
% 1.37/1.13      @ ( lCardinalityFn_THFTYPE_IIioIiI
% 1.37/1.13        @ ^ [X: $i] : ( grandparent_THFTYPE_IiioI @ lJohn_THFTYPE_i @ X ) )
% 1.37/1.13      @ n3_THFTYPE_i ) ).
% 1.37/1.13  
% 1.37/1.13  thf(ax_002,axiom,
% 1.37/1.13      ! [X: $i,Y: $i] :
% 1.37/1.13        ( ( grandchild_THFTYPE_IiioI @ X @ Y )
% 1.37/1.13      <=> ? [Z: $i] :
% 1.37/1.13            ( ( parent_THFTYPE_IiioI @ Z @ X )
% 1.37/1.13            & ( parent_THFTYPE_IiioI @ Y @ Z ) ) ) ).
% 1.37/1.13  
% 1.37/1.13  thf(con,conjecture,
% 1.37/1.13      ? [Y: $i] :
% 1.37/1.13        ( ltet_THFTYPE_IiioI
% 1.37/1.13        @ ( lCardinalityFn_THFTYPE_IIioIiI
% 1.37/1.13          @ ^ [X: $i] : ( grandchild_THFTYPE_IiioI @ X @ lJohn_THFTYPE_i ) )
% 1.37/1.13        @ Y ) ).
% 1.37/1.13  ------------------------
% 1.37/1.15  % (22616)lrs+10_1:1_c=on:cnfonf=conj_eager:fd=off:fe=off:kws=frequency:spb=intro:i=4:si=on:rtra=on_0 on DTF2THF_22518 for (3000ds/4Mi)
% 1.37/1.15  % (22617)dis+1010_1:1_au=on:cbe=off:chr=on:fsr=off:hfsq=on:nm=64:sos=theory:sp=weighted_frequency:i=27:si=on:rtra=on_0 on DTF2THF_22518 for (3000ds/27Mi)
% 1.37/1.15  % (22617)Refutation not found, incomplete strategy
% 1.37/1.15  % (22617)------------------------------
% 1.37/1.15  % (22617)Version: Vampire 4.8 (commit 7b44b1c2f on 2025-07-15 09:50:17 +0100)
% 1.37/1.15  % (22617)Termination reason: Refutation not found, incomplete strategy
% 1.37/1.15  
% 1.37/1.15  
% 1.37/1.15  % (22617)Memory used [KB]: 5500
% 1.37/1.15  % (22617)Time elapsed: 0.003 s
% 1.37/1.15  % (22617)Instructions burned: 2 (million)
% 1.37/1.15  % (22617)------------------------------
% 1.37/1.15  % (22617)------------------------------
% 1.37/1.15  % (22616)Instruction limit reached!
% 1.37/1.15  % (22616)------------------------------
% 1.37/1.15  % (22616)Version: Vampire 4.8 (commit 7b44b1c2f on 2025-07-15 09:50:17 +0100)
% 1.37/1.15  % (22616)Termination reason: Unknown
% 1.37/1.15  % (22616)Termination phase: Saturation
% 1.37/1.15  
% 1.37/1.15  % (22616)Memory used [KB]: 5500
% 1.37/1.15  % (22616)Time elapsed: 0.005 s
% 1.37/1.15  % (22616)Instructions burned: 4 (million)
% 1.37/1.15  % (22616)------------------------------
% 1.37/1.15  % (22616)------------------------------
% 1.37/1.15  % (22618)lrs+10_1:1_au=on:inj=on:i=2:si=on:rtra=on_0 on DTF2THF_22518 for (3000ds/2Mi)
% 1.37/1.15  % (22619)lrs+1002_1:128_aac=none:au=on:cnfonf=lazy_not_gen_be_off:sos=all:i=2:si=on:rtra=on_0 on DTF2THF_22518 for (3000ds/2Mi)
% 1.37/1.15  % (22620)lrs+1002_1:1_au=on:bd=off:e2e=on:sd=2:sos=on:ss=axioms:i=275:si=on:rtra=on_0 on DTF2THF_22518 for (3000ds/275Mi)
% 1.37/1.15  % (22621)lrs+1004_1:128_cond=on:e2e=on:sp=weighted_frequency:i=18:si=on:rtra=on_0 on DTF2THF_22518 for (3000ds/18Mi)
% 1.37/1.15  % (22618)Instruction limit reached!
% 1.37/1.15  % (22618)------------------------------
% 1.37/1.15  % (22618)Version: Vampire 4.8 (commit 7b44b1c2f on 2025-07-15 09:50:17 +0100)
% 1.37/1.15  % (22618)Termination reason: Unknown
% 1.37/1.15  % (22618)Termination phase: Saturation
% 1.37/1.15  
% 1.37/1.15  % (22618)Memory used [KB]: 5500
% 1.37/1.15  % (22618)Time elapsed: 0.003 s
% 1.37/1.15  % (22618)Instructions burned: 3 (million)
% 1.37/1.15  % (22618)------------------------------
% 1.37/1.15  % (22618)------------------------------
% 1.37/1.15  % (22619)Instruction limit reached!
% 1.37/1.15  % (22619)------------------------------
% 1.37/1.15  % (22619)Version: Vampire 4.8 (commit 7b44b1c2f on 2025-07-15 09:50:17 +0100)
% 1.37/1.15  % (22619)Termination reason: Unknown
% 1.37/1.15  % (22619)Termination phase: Saturation
% 1.37/1.15  
% 1.37/1.15  % (22619)Memory used [KB]: 5500
% 1.37/1.15  % (22619)Time elapsed: 0.003 s
% 1.37/1.15  % (22619)Instructions burned: 3 (million)
% 1.37/1.15  % (22619)------------------------------
% 1.37/1.15  % (22619)------------------------------
% 1.37/1.15  % (22620)Refutation not found, incomplete strategy
% 1.37/1.15  % (22620)------------------------------
% 1.37/1.15  % (22620)Version: Vampire 4.8 (commit 7b44b1c2f on 2025-07-15 09:50:17 +0100)
% 1.37/1.15  % (22620)Termination reason: Refutation not found, incomplete strategy
% 1.37/1.15  
% 1.37/1.15  
% 1.37/1.15  % (22620)Memory used [KB]: 5500
% 1.37/1.15  % (22620)Time elapsed: 0.003 s
% 1.37/1.15  % (22620)Instructions burned: 3 (million)
% 1.37/1.15  % (22620)------------------------------
% 1.37/1.15  % (22620)------------------------------
% 1.37/1.15  % (22615)lrs+1002_1:8_bd=off:fd=off:hud=10:tnu=1:i=183:si=on:rtra=on_0 on DTF2THF_22518 for (3000ds/183Mi)
% 1.37/1.16  % (22622)lrs+10_1:1_bet=on:cnfonf=off:fd=off:hud=5:inj=on:i=3:si=on:rtra=on_0 on DTF2THF_22518 for (2999ds/3Mi)
% 1.37/1.16  % (22615)First to succeed.
% 1.37/1.16  % (22622)Instruction limit reached!
% 1.37/1.16  % (22622)------------------------------
% 1.37/1.16  % (22622)Version: Vampire 4.8 (commit 7b44b1c2f on 2025-07-15 09:50:17 +0100)
% 1.37/1.16  % (22622)Termination reason: Unknown
% 1.37/1.16  % (22622)Termination phase: Saturation
% 1.37/1.16  
% 1.37/1.16  % (22622)Memory used [KB]: 5500
% 1.37/1.16  % (22622)Time elapsed: 0.003 s
% 1.37/1.16  % (22622)Instructions burned: 3 (million)
% 1.37/1.16  % (22622)------------------------------
% 1.37/1.16  % (22622)------------------------------
% 1.37/1.16  % (22615)Refutation found. Thanks to Tanya!
% 1.37/1.16  % SZS status Theorem for DTF2THF_22518
% 1.37/1.16  % SZS output start Proof for DTF2THF_22518
% 1.37/1.16  thf(func_def_0, type, num: $tType).
% 1.37/1.16  thf(func_def_1, type, grandchild_THFTYPE_IiioI: $i > $i > $o).
% 1.37/1.16  thf(func_def_2, type, grandparent_THFTYPE_IiioI: $i > $i > $o).
% 1.37/1.16  thf(func_def_3, type, lCardinalityFn_THFTYPE_IIioIiI: ($i > $o) > $i).
% 1.37/1.16  thf(func_def_5, type, ltet_THFTYPE_IiioI: $i > $i > $o).
% 1.37/1.16  thf(func_def_7, type, parent_THFTYPE_IiioI: $i > $i > $o).
% 1.37/1.16  thf(func_def_13, type, sK0: $i > $i > $i).
% 1.37/1.16  thf(func_def_14, type, sK1: $i > $i > $i).
% 1.37/1.16  thf(func_def_16, type, ph3: !>[X0: $tType]:(X0)).
% 1.37/1.16  thf(f148,plain,(
% 1.37/1.16    $false),
% 1.37/1.16    inference(avatar_sat_refutation,[status(thm)],[f42,f55,f64,f70,f85,f87,f147])).
% 1.37/1.16  thf(f147,plain,(
% 1.37/1.16    spl2_3 | ~spl2_4),
% 1.37/1.16    inference(avatar_contradiction_clause,[status(thm)],[f146])).
% 1.37/1.16  thf(f146,plain,(
% 1.37/1.16    $false | (spl2_3 | ~spl2_4)),
% 1.37/1.16    inference(subsumption_resolution,[status(thm)],[f145,f54])).
% 1.37/1.16  thf(f54,plain,(
% 1.37/1.16    ((grandparent_THFTYPE_IiioI @ lJohn_THFTYPE_i @ sK4) = $true) | ~spl2_4),
% 1.37/1.16    inference(avatar_component_clause,[status(thm)],[f52])).
% 1.37/1.16  thf(f52,definition,(
% 1.37/1.16    spl2_4 <=> ((grandparent_THFTYPE_IiioI @ lJohn_THFTYPE_i @ sK4) = $true)),
% 1.37/1.16    introduced(definition,[new_symbols(naming,[spl2_4])],[avatar_definition])).
% 1.37/1.16  thf(f145,plain,(
% 1.37/1.16    ((grandparent_THFTYPE_IiioI @ lJohn_THFTYPE_i @ sK4) != $true) | spl2_3),
% 1.37/1.16    inference(trivial_inequality_removal,[status(thm)],[f144])).
% 1.37/1.16  thf(f144,plain,(
% 1.37/1.16    ($true != $true) | ((grandparent_THFTYPE_IiioI @ lJohn_THFTYPE_i @ sK4) != $true) | spl2_3),
% 1.37/1.16    inference(duplicate_literal_removal,[status(thm)],[f143])).
% 1.37/1.16  thf(f143,plain,(
% 1.37/1.16    ($true != $true) | ((grandparent_THFTYPE_IiioI @ lJohn_THFTYPE_i @ sK4) != $true) | ((grandparent_THFTYPE_IiioI @ lJohn_THFTYPE_i @ sK4) != $true) | spl2_3),
% 1.37/1.16    inference(superposition,[status(thm)],[f135,f28])).
% 1.37/1.16  thf(f28,plain,(
% 1.37/1.16    ( ! [X0 : $i,X1 : $i] : (($true = (parent_THFTYPE_IiioI @ (sK1 @ X1 @ X0) @ X1)) | ((grandparent_THFTYPE_IiioI @ X0 @ X1) != $true)) )),
% 1.37/1.16    inference(cnf_transformation,[status(thm)],[f23])).
% 1.37/1.16  thf(f23,plain,(
% 1.37/1.16    ! [X0 : $i,X1 : $i] : (((($true = (parent_THFTYPE_IiioI @ X0 @ (sK1 @ X1 @ X0))) & ($true = (parent_THFTYPE_IiioI @ (sK1 @ X1 @ X0) @ X1))) | ((grandparent_THFTYPE_IiioI @ X0 @ X1) != $true)) & (((grandparent_THFTYPE_IiioI @ X0 @ X1) = $true) | ! [X3 : $i] : (((parent_THFTYPE_IiioI @ X0 @ X3) != $true) | ((parent_THFTYPE_IiioI @ X3 @ X1) != $true))))),
% 1.37/1.16    inference(skolemisation,[status(esa),new_symbols(skolem,[sK1])],[f21,f22])).
% 1.37/1.16  thf(f22,plain,(
% 1.37/1.16    ! [X0 : $i,X1 : $i] : (? [X2 : $i] : (((parent_THFTYPE_IiioI @ X0 @ X2) = $true) & ((parent_THFTYPE_IiioI @ X2 @ X1) = $true)) => (($true = (parent_THFTYPE_IiioI @ X0 @ (sK1 @ X1 @ X0))) & ($true = (parent_THFTYPE_IiioI @ (sK1 @ X1 @ X0) @ X1))))),
% 1.37/1.16    introduced(definition,[],[choice_axiom])).
% 1.37/1.16  thf(f21,plain,(
% 1.37/1.16    ! [X0 : $i,X1 : $i] : ((? [X2 : $i] : (((parent_THFTYPE_IiioI @ X0 @ X2) = $true) & ((parent_THFTYPE_IiioI @ X2 @ X1) = $true)) | ((grandparent_THFTYPE_IiioI @ X0 @ X1) != $true)) & (((grandparent_THFTYPE_IiioI @ X0 @ X1) = $true) | ! [X3 : $i] : (((parent_THFTYPE_IiioI @ X0 @ X3) != $true) | ((parent_THFTYPE_IiioI @ X3 @ X1) != $true))))),
% 1.37/1.16    inference(rectify,[status(thm)],[f20])).
% 1.37/1.16  thf(f20,plain,(
% 1.37/1.16    ! [X0 : $i,X1 : $i] : ((? [X2 : $i] : (((parent_THFTYPE_IiioI @ X0 @ X2) = $true) & ((parent_THFTYPE_IiioI @ X2 @ X1) = $true)) | ((grandparent_THFTYPE_IiioI @ X0 @ X1) != $true)) & (((grandparent_THFTYPE_IiioI @ X0 @ X1) = $true) | ! [X2 : $i] : (((parent_THFTYPE_IiioI @ X0 @ X2) != $true) | ((parent_THFTYPE_IiioI @ X2 @ X1) != $true))))),
% 1.37/1.16    inference(nnf_transformation,[status(thm)],[f14])).
% 1.37/1.16  thf(f14,plain,(
% 1.37/1.16    ! [X0 : $i,X1 : $i] : (? [X2 : $i] : (((parent_THFTYPE_IiioI @ X0 @ X2) = $true) & ((parent_THFTYPE_IiioI @ X2 @ X1) = $true)) <=> ((grandparent_THFTYPE_IiioI @ X0 @ X1) = $true))),
% 1.37/1.16    inference(fool_elimination,[status(thm)],[f13])).
% 1.37/1.16  thf(f13,plain,(
% 1.37/1.16    ! [X0 : $i,X1 : $i] : (? [X2 : $i] : ((parent_THFTYPE_IiioI @ X2 @ X1) & (parent_THFTYPE_IiioI @ X0 @ X2)) <=> (grandparent_THFTYPE_IiioI @ X0 @ X1))),
% 1.37/1.16    inference(rectify,[status(thm)],[f1])).
% 1.37/1.16  thf(f1,axiom,(
% 1.37/1.16    ! [X0 : $i,X1 : $i] : (? [X2 : $i] : ((parent_THFTYPE_IiioI @ X2 @ X1) & (parent_THFTYPE_IiioI @ X0 @ X2)) <=> (grandparent_THFTYPE_IiioI @ X0 @ X1))),
% 1.37/1.16    file('/export/starexec/sandbox/tmp/tmp.13RLo8Kl0C/DTF2THF_22518.p',ax)).
% 1.37/1.16  thf(f135,plain,(
% 1.37/1.16    ( ! [X0 : $i] : (($true != (parent_THFTYPE_IiioI @ (sK1 @ X0 @ lJohn_THFTYPE_i) @ sK4)) | ((grandparent_THFTYPE_IiioI @ lJohn_THFTYPE_i @ X0) != $true)) ) | spl2_3),
% 1.37/1.16    inference(trivial_inequality_removal,[status(thm)],[f133])).
% 1.37/1.16  thf(f133,plain,(
% 1.37/1.16    ( ! [X0 : $i] : (($true != (parent_THFTYPE_IiioI @ (sK1 @ X0 @ lJohn_THFTYPE_i) @ sK4)) | ((grandparent_THFTYPE_IiioI @ lJohn_THFTYPE_i @ X0) != $true) | ($true != $true)) ) | spl2_3),
% 1.37/1.16    inference(superposition,[status(thm)],[f89,f29])).
% 1.37/1.16  thf(f29,plain,(
% 1.37/1.16    ( ! [X0 : $i,X1 : $i] : (($true = (parent_THFTYPE_IiioI @ X0 @ (sK1 @ X1 @ X0))) | ((grandparent_THFTYPE_IiioI @ X0 @ X1) != $true)) )),
% 1.37/1.16    inference(cnf_transformation,[status(thm)],[f23])).
% 1.37/1.16  thf(f89,plain,(
% 1.37/1.16    ( ! [X0 : $i] : (($true != (parent_THFTYPE_IiioI @ lJohn_THFTYPE_i @ X0)) | ((parent_THFTYPE_IiioI @ X0 @ sK4) != $true)) ) | spl2_3),
% 1.37/1.16    inference(trivial_inequality_removal,[status(thm)],[f88])).
% 1.37/1.16  thf(f88,plain,(
% 1.37/1.16    ( ! [X0 : $i] : (($true != $true) | ($true != (parent_THFTYPE_IiioI @ lJohn_THFTYPE_i @ X0)) | ((parent_THFTYPE_IiioI @ X0 @ sK4) != $true)) ) | spl2_3),
% 1.37/1.16    inference(superposition,[status(thm)],[f49,f26])).
% 1.37/1.16  thf(f26,plain,(
% 1.37/1.16    ( ! [X2 : $i,X0 : $i,X1 : $i] : (((grandchild_THFTYPE_IiioI @ X0 @ X1) = $true) | ((parent_THFTYPE_IiioI @ X2 @ X0) != $true) | ((parent_THFTYPE_IiioI @ X1 @ X2) != $true)) )),
% 1.37/1.16    inference(cnf_transformation,[status(thm)],[f19])).
% 1.37/1.16  thf(f19,plain,(
% 1.37/1.16    ! [X0 : $i,X1 : $i] : ((((grandchild_THFTYPE_IiioI @ X0 @ X1) = $true) | ! [X2 : $i] : (((parent_THFTYPE_IiioI @ X2 @ X0) != $true) | ((parent_THFTYPE_IiioI @ X1 @ X2) != $true))) & ((((parent_THFTYPE_IiioI @ (sK0 @ X1 @ X0) @ X0) = $true) & ((parent_THFTYPE_IiioI @ X1 @ (sK0 @ X1 @ X0)) = $true)) | ((grandchild_THFTYPE_IiioI @ X0 @ X1) != $true)))),
% 1.37/1.16    inference(skolemisation,[status(esa),new_symbols(skolem,[sK0])],[f17,f18])).
% 1.37/1.16  thf(f18,plain,(
% 1.37/1.16    ! [X0 : $i,X1 : $i] : (? [X3 : $i] : (((parent_THFTYPE_IiioI @ X3 @ X0) = $true) & ((parent_THFTYPE_IiioI @ X1 @ X3) = $true)) => (((parent_THFTYPE_IiioI @ (sK0 @ X1 @ X0) @ X0) = $true) & ((parent_THFTYPE_IiioI @ X1 @ (sK0 @ X1 @ X0)) = $true)))),
% 1.37/1.16    introduced(definition,[],[choice_axiom])).
% 1.37/1.16  thf(f17,plain,(
% 1.37/1.16    ! [X0 : $i,X1 : $i] : ((((grandchild_THFTYPE_IiioI @ X0 @ X1) = $true) | ! [X2 : $i] : (((parent_THFTYPE_IiioI @ X2 @ X0) != $true) | ((parent_THFTYPE_IiioI @ X1 @ X2) != $true))) & (? [X3 : $i] : (((parent_THFTYPE_IiioI @ X3 @ X0) = $true) & ((parent_THFTYPE_IiioI @ X1 @ X3) = $true)) | ((grandchild_THFTYPE_IiioI @ X0 @ X1) != $true)))),
% 1.37/1.16    inference(rectify,[status(thm)],[f16])).
% 1.37/1.16  thf(f16,plain,(
% 1.37/1.16    ! [X0 : $i,X1 : $i] : ((((grandchild_THFTYPE_IiioI @ X0 @ X1) = $true) | ! [X2 : $i] : (((parent_THFTYPE_IiioI @ X2 @ X0) != $true) | ((parent_THFTYPE_IiioI @ X1 @ X2) != $true))) & (? [X2 : $i] : (((parent_THFTYPE_IiioI @ X2 @ X0) = $true) & ((parent_THFTYPE_IiioI @ X1 @ X2) = $true)) | ((grandchild_THFTYPE_IiioI @ X0 @ X1) != $true)))),
% 1.37/1.16    inference(nnf_transformation,[status(thm)],[f12])).
% 1.37/1.16  thf(f12,plain,(
% 1.37/1.16    ! [X0 : $i,X1 : $i] : (((grandchild_THFTYPE_IiioI @ X0 @ X1) = $true) <=> ? [X2 : $i] : (((parent_THFTYPE_IiioI @ X2 @ X0) = $true) & ((parent_THFTYPE_IiioI @ X1 @ X2) = $true)))),
% 1.37/1.16    inference(fool_elimination,[status(thm)],[f11])).
% 1.37/1.16  thf(f11,plain,(
% 1.37/1.16    ! [X0 : $i,X1 : $i] : ((grandchild_THFTYPE_IiioI @ X0 @ X1) <=> ? [X2 : $i] : ((parent_THFTYPE_IiioI @ X2 @ X0) & (parent_THFTYPE_IiioI @ X1 @ X2)))),
% 1.37/1.16    inference(rectify,[status(thm)],[f3])).
% 1.37/1.16  thf(f3,axiom,(
% 1.37/1.16    ! [X0 : $i,X1 : $i] : ((grandchild_THFTYPE_IiioI @ X0 @ X1) <=> ? [X2 : $i] : ((parent_THFTYPE_IiioI @ X2 @ X0) & (parent_THFTYPE_IiioI @ X1 @ X2)))),
% 1.37/1.16    file('/export/starexec/sandbox/tmp/tmp.13RLo8Kl0C/DTF2THF_22518.p',ax_002)).
% 1.37/1.16  thf(f49,plain,(
% 1.37/1.16    ($true != (grandchild_THFTYPE_IiioI @ sK4 @ lJohn_THFTYPE_i)) | spl2_3),
% 1.37/1.16    inference(avatar_component_clause,[status(thm)],[f48])).
% 1.37/1.16  thf(f48,definition,(
% 1.37/1.16    spl2_3 <=> ($true = (grandchild_THFTYPE_IiioI @ sK4 @ lJohn_THFTYPE_i))),
% 1.37/1.16    introduced(definition,[new_symbols(naming,[spl2_3])],[avatar_definition])).
% 1.37/1.16  thf(f87,plain,(
% 1.37/1.16    ~spl2_2),
% 1.37/1.16    inference(avatar_contradiction_clause,[status(thm)],[f86])).
% 1.37/1.16  thf(f86,plain,(
% 1.37/1.16    $false | ~spl2_2),
% 1.37/1.16    inference(equality_resolution,[status(thm)],[f41])).
% 1.37/1.16  thf(f41,plain,(
% 1.37/1.16    ( ! [X0 : $i] : ((n3_THFTYPE_i != X0)) ) | ~spl2_2),
% 1.37/1.16    inference(avatar_component_clause,[status(thm)],[f40])).
% 1.37/1.16  thf(f40,definition,(
% 1.37/1.16    spl2_2 <=> ! [X0 : $i] : (n3_THFTYPE_i != X0)),
% 1.37/1.16    introduced(definition,[new_symbols(naming,[spl2_2])],[avatar_definition])).
% 1.37/1.16  thf(f85,plain,(
% 1.37/1.16    ~spl2_3 | ~spl2_6),
% 1.37/1.16    inference(avatar_contradiction_clause,[status(thm)],[f84])).
% 1.37/1.16  thf(f84,plain,(
% 1.37/1.16    $false | (~spl2_3 | ~spl2_6)),
% 1.37/1.16    inference(subsumption_resolution,[status(thm)],[f83,f50])).
% 1.37/1.16  thf(f50,plain,(
% 1.37/1.16    ($true = (grandchild_THFTYPE_IiioI @ sK4 @ lJohn_THFTYPE_i)) | ~spl2_3),
% 1.37/1.16    inference(avatar_component_clause,[status(thm)],[f48])).
% 1.37/1.16  thf(f83,plain,(
% 1.37/1.16    ($true != (grandchild_THFTYPE_IiioI @ sK4 @ lJohn_THFTYPE_i)) | ~spl2_6),
% 1.37/1.16    inference(trivial_inequality_removal,[status(thm)],[f82])).
% 1.37/1.16  thf(f82,plain,(
% 1.37/1.16    ($true != (grandchild_THFTYPE_IiioI @ sK4 @ lJohn_THFTYPE_i)) | ($true != $true) | ~spl2_6),
% 1.37/1.16    inference(duplicate_literal_removal,[status(thm)],[f81])).
% 1.37/1.16  thf(f81,plain,(
% 1.37/1.16    ($true != (grandchild_THFTYPE_IiioI @ sK4 @ lJohn_THFTYPE_i)) | ($true != (grandchild_THFTYPE_IiioI @ sK4 @ lJohn_THFTYPE_i)) | ($true != $true) | ~spl2_6),
% 1.37/1.16    inference(superposition,[status(thm)],[f79,f25])).
% 1.37/1.16  thf(f25,plain,(
% 1.37/1.16    ( ! [X0 : $i,X1 : $i] : (((parent_THFTYPE_IiioI @ (sK0 @ X1 @ X0) @ X0) = $true) | ((grandchild_THFTYPE_IiioI @ X0 @ X1) != $true)) )),
% 1.37/1.16    inference(cnf_transformation,[status(thm)],[f19])).
% 1.37/1.16  thf(f79,plain,(
% 1.37/1.16    ( ! [X0 : $i] : (($true != (parent_THFTYPE_IiioI @ (sK0 @ lJohn_THFTYPE_i @ X0) @ sK4)) | ((grandchild_THFTYPE_IiioI @ X0 @ lJohn_THFTYPE_i) != $true)) ) | ~spl2_6),
% 1.37/1.16    inference(trivial_inequality_removal,[status(thm)],[f77])).
% 1.37/1.16  thf(f77,plain,(
% 1.37/1.16    ( ! [X0 : $i] : (($true != (parent_THFTYPE_IiioI @ (sK0 @ lJohn_THFTYPE_i @ X0) @ sK4)) | ((grandchild_THFTYPE_IiioI @ X0 @ lJohn_THFTYPE_i) != $true) | ($true != $true)) ) | ~spl2_6),
% 1.37/1.16    inference(superposition,[status(thm)],[f76,f24])).
% 1.37/1.16  thf(f24,plain,(
% 1.37/1.16    ( ! [X0 : $i,X1 : $i] : (((parent_THFTYPE_IiioI @ X1 @ (sK0 @ X1 @ X0)) = $true) | ((grandchild_THFTYPE_IiioI @ X0 @ X1) != $true)) )),
% 1.37/1.16    inference(cnf_transformation,[status(thm)],[f19])).
% 1.37/1.16  thf(f76,plain,(
% 1.37/1.16    ( ! [X0 : $i] : (($true != (parent_THFTYPE_IiioI @ lJohn_THFTYPE_i @ X0)) | ((parent_THFTYPE_IiioI @ X0 @ sK4) != $true)) ) | ~spl2_6),
% 1.37/1.16    inference(trivial_inequality_removal,[status(thm)],[f73])).
% 1.37/1.16  thf(f73,plain,(
% 1.37/1.16    ( ! [X0 : $i] : (($false = $true) | ($true != (parent_THFTYPE_IiioI @ lJohn_THFTYPE_i @ X0)) | ((parent_THFTYPE_IiioI @ X0 @ sK4) != $true)) ) | ~spl2_6),
% 1.37/1.16    inference(superposition,[status(thm)],[f27,f63])).
% 1.37/1.16  thf(f63,plain,(
% 1.37/1.16    ((grandparent_THFTYPE_IiioI @ lJohn_THFTYPE_i @ sK4) = $false) | ~spl2_6),
% 1.37/1.16    inference(avatar_component_clause,[status(thm)],[f61])).
% 1.37/1.16  thf(f61,definition,(
% 1.37/1.16    spl2_6 <=> ((grandparent_THFTYPE_IiioI @ lJohn_THFTYPE_i @ sK4) = $false)),
% 1.37/1.16    introduced(definition,[new_symbols(naming,[spl2_6])],[avatar_definition])).
% 1.37/1.16  thf(f27,plain,(
% 1.37/1.16    ( ! [X3 : $i,X0 : $i,X1 : $i] : (((grandparent_THFTYPE_IiioI @ X0 @ X1) = $true) | ((parent_THFTYPE_IiioI @ X0 @ X3) != $true) | ((parent_THFTYPE_IiioI @ X3 @ X1) != $true)) )),
% 1.37/1.16    inference(cnf_transformation,[status(thm)],[f23])).
% 1.37/1.16  thf(f70,plain,(
% 1.37/1.16    ~spl2_3 | ~spl2_5),
% 1.37/1.16    inference(avatar_contradiction_clause,[status(thm)],[f69])).
% 1.37/1.16  thf(f69,plain,(
% 1.37/1.16    $false | (~spl2_3 | ~spl2_5)),
% 1.37/1.16    inference(trivial_inequality_removal,[status(thm)],[f65])).
% 1.37/1.16  thf(f65,plain,(
% 1.37/1.16    ($false = $true) | (~spl2_3 | ~spl2_5)),
% 1.37/1.16    inference(superposition,[status(thm)],[f59,f50])).
% 1.37/1.16  thf(f59,plain,(
% 1.37/1.16    ($false = (grandchild_THFTYPE_IiioI @ sK4 @ lJohn_THFTYPE_i)) | ~spl2_5),
% 1.37/1.16    inference(avatar_component_clause,[status(thm)],[f57])).
% 1.37/1.16  thf(f57,definition,(
% 1.37/1.16    spl2_5 <=> ($false = (grandchild_THFTYPE_IiioI @ sK4 @ lJohn_THFTYPE_i))),
% 1.37/1.16    introduced(definition,[new_symbols(naming,[spl2_5])],[avatar_definition])).
% 1.37/1.16  thf(f64,plain,(
% 1.37/1.16    spl2_5 | spl2_6 | spl2_1),
% 1.37/1.16    inference(avatar_split_clause,[status(thm)],[f46,f36,f61,f57])).
% 1.37/1.16  thf(f36,definition,(
% 1.37/1.16    spl2_1 <=> ((grandparent_THFTYPE_IiioI @ lJohn_THFTYPE_i) = (^[Y0 : $i]: (grandchild_THFTYPE_IiioI @ Y0 @ lJohn_THFTYPE_i)))),
% 1.37/1.16    introduced(definition,[new_symbols(naming,[spl2_1])],[avatar_definition])).
% 1.37/1.16  thf(f46,plain,(
% 1.37/1.16    ($false = (grandchild_THFTYPE_IiioI @ sK4 @ lJohn_THFTYPE_i)) | ((grandparent_THFTYPE_IiioI @ lJohn_THFTYPE_i @ sK4) = $false) | spl2_1),
% 1.37/1.16    inference(binary_proxy_clausification,[status(thm)],[f44])).
% 1.37/1.16  thf(f44,plain,(
% 1.37/1.16    ((grandparent_THFTYPE_IiioI @ lJohn_THFTYPE_i @ sK4) != (grandchild_THFTYPE_IiioI @ sK4 @ lJohn_THFTYPE_i)) | spl2_1),
% 1.37/1.16    inference(beta_eta_normalization,[status(thm)],[f43])).
% 1.37/1.16  thf(f43,plain,(
% 1.37/1.16    ((grandparent_THFTYPE_IiioI @ lJohn_THFTYPE_i @ sK4) != ((^[Y0 : $i]: (grandchild_THFTYPE_IiioI @ Y0 @ lJohn_THFTYPE_i)) @ sK4)) | spl2_1),
% 1.37/1.16    inference(negative_extensionality,[status(thm)],[f38])).
% 1.37/1.16  thf(f38,plain,(
% 1.37/1.16    ((grandparent_THFTYPE_IiioI @ lJohn_THFTYPE_i) != (^[Y0 : $i]: (grandchild_THFTYPE_IiioI @ Y0 @ lJohn_THFTYPE_i))) | spl2_1),
% 1.37/1.16    inference(avatar_component_clause,[status(thm)],[f36])).
% 1.37/1.16  thf(f55,plain,(
% 1.37/1.16    spl2_3 | spl2_4 | spl2_1),
% 1.37/1.16    inference(avatar_split_clause,[status(thm)],[f45,f36,f52,f48])).
% 1.37/1.16  thf(f45,plain,(
% 1.37/1.16    ((grandparent_THFTYPE_IiioI @ lJohn_THFTYPE_i @ sK4) = $true) | ($true = (grandchild_THFTYPE_IiioI @ sK4 @ lJohn_THFTYPE_i)) | spl2_1),
% 1.37/1.16    inference(binary_proxy_clausification,[status(thm)],[f44])).
% 1.37/1.16  thf(f42,plain,(
% 1.37/1.16    ~spl2_1 | spl2_2),
% 1.37/1.16    inference(avatar_split_clause,[status(thm)],[f34,f40,f36])).
% 1.37/1.16  thf(f34,plain,(
% 1.37/1.16    ( ! [X0 : $i] : (((grandparent_THFTYPE_IiioI @ lJohn_THFTYPE_i) != (^[Y0 : $i]: (grandchild_THFTYPE_IiioI @ Y0 @ lJohn_THFTYPE_i))) | (n3_THFTYPE_i != X0)) )),
% 1.37/1.16    inference(trivial_inequality_removal,[status(thm)],[f33])).
% 1.37/1.16  thf(f33,plain,(
% 1.37/1.16    ( ! [X0 : $i] : ((n3_THFTYPE_i != X0) | ((grandparent_THFTYPE_IiioI @ lJohn_THFTYPE_i) != (^[Y0 : $i]: (grandchild_THFTYPE_IiioI @ Y0 @ lJohn_THFTYPE_i))) | ($true != $true)) )),
% 1.37/1.16    inference(constrained_superposition,[status(thm)],[f31,f32])).
% 1.37/1.16  thf(f32,plain,(
% 1.37/1.16    ((ltet_THFTYPE_IiioI @ (lCardinalityFn_THFTYPE_IIioIiI @ (grandparent_THFTYPE_IiioI @ lJohn_THFTYPE_i)) @ n3_THFTYPE_i) = $true)),
% 1.37/1.16    inference(beta_eta_normalization,[status(thm)],[f30])).
% 1.37/1.16  thf(f30,plain,(
% 1.37/1.16    ((ltet_THFTYPE_IiioI @ (lCardinalityFn_THFTYPE_IIioIiI @ (^[Y0 : $i]: (grandparent_THFTYPE_IiioI @ lJohn_THFTYPE_i @ Y0))) @ n3_THFTYPE_i) = $true)),
% 1.37/1.16    inference(cnf_transformation,[status(thm)],[f8])).
% 1.37/1.16  thf(f8,plain,(
% 1.37/1.16    ((ltet_THFTYPE_IiioI @ (lCardinalityFn_THFTYPE_IIioIiI @ (^[Y0 : $i]: (grandparent_THFTYPE_IiioI @ lJohn_THFTYPE_i @ Y0))) @ n3_THFTYPE_i) = $true)),
% 1.37/1.16    inference(fool_elimination,[status(thm)],[f7])).
% 1.37/1.16  thf(f7,plain,(
% 1.37/1.16    (ltet_THFTYPE_IiioI @ (lCardinalityFn_THFTYPE_IIioIiI @ (^[X0 : $i] : (grandparent_THFTYPE_IiioI @ lJohn_THFTYPE_i @ X0))) @ n3_THFTYPE_i)),
% 1.37/1.16    inference(rectify,[status(thm)],[f2])).
% 1.37/1.16  thf(f2,axiom,(
% 1.37/1.16    (ltet_THFTYPE_IiioI @ (lCardinalityFn_THFTYPE_IIioIiI @ (^[X0 : $i] : (grandparent_THFTYPE_IiioI @ lJohn_THFTYPE_i @ X0))) @ n3_THFTYPE_i)),
% 1.37/1.16    file('/export/starexec/sandbox/tmp/tmp.13RLo8Kl0C/DTF2THF_22518.p',ax_001)).
% 1.37/1.16  thf(f31,plain,(
% 1.37/1.16    ( ! [X0 : $i] : (((ltet_THFTYPE_IiioI @ (lCardinalityFn_THFTYPE_IIioIiI @ (^[Y0 : $i]: (grandchild_THFTYPE_IiioI @ Y0 @ lJohn_THFTYPE_i))) @ X0) != $true)) )),
% 1.37/1.16    inference(cnf_transformation,[status(thm)],[f15])).
% 1.37/1.16  thf(f15,plain,(
% 1.37/1.16    ! [X0 : $i] : ((ltet_THFTYPE_IiioI @ (lCardinalityFn_THFTYPE_IIioIiI @ (^[Y0 : $i]: (grandchild_THFTYPE_IiioI @ Y0 @ lJohn_THFTYPE_i))) @ X0) != $true)),
% 1.37/1.16    inference(ennf_transformation,[status(thm)],[f10])).
% 1.37/1.16  thf(f10,plain,(
% 1.37/1.16    ~? [X0 : $i] : ((ltet_THFTYPE_IiioI @ (lCardinalityFn_THFTYPE_IIioIiI @ (^[Y0 : $i]: (grandchild_THFTYPE_IiioI @ Y0 @ lJohn_THFTYPE_i))) @ X0) = $true)),
% 1.37/1.16    inference(fool_elimination,[status(thm)],[f9])).
% 1.37/1.16  thf(f9,plain,(
% 1.37/1.16    ~? [X0 : $i] : (ltet_THFTYPE_IiioI @ (lCardinalityFn_THFTYPE_IIioIiI @ (^[X1 : $i] : (grandchild_THFTYPE_IiioI @ X1 @ lJohn_THFTYPE_i))) @ X0)),
% 1.37/1.16    inference(rectify,[status(thm)],[f5])).
% 1.37/1.16  thf(f5,negated_conjecture,(
% 1.37/1.16    ~? [X1 : $i] : (ltet_THFTYPE_IiioI @ (lCardinalityFn_THFTYPE_IIioIiI @ (^[X0 : $i] : (grandchild_THFTYPE_IiioI @ X0 @ lJohn_THFTYPE_i))) @ X1)),
% 1.37/1.16    inference(negated_conjecture,[status(cth)],[f4])).
% 1.37/1.16  thf(f4,conjecture,(
% 1.37/1.16    ? [X1 : $i] : (ltet_THFTYPE_IiioI @ (lCardinalityFn_THFTYPE_IIioIiI @ (^[X0 : $i] : (grandchild_THFTYPE_IiioI @ X0 @ lJohn_THFTYPE_i))) @ X1)),
% 1.37/1.16    file('/export/starexec/sandbox/tmp/tmp.13RLo8Kl0C/DTF2THF_22518.p',con)).
% 1.37/1.16  % SZS output end Proof for DTF2THF_22518
% 1.37/1.16  % (22615)------------------------------
% 1.37/1.16  % (22615)Version: Vampire 4.8 (commit 7b44b1c2f on 2025-07-15 09:50:17 +0100)
% 1.37/1.16  % (22615)Termination reason: Refutation
% 1.37/1.16  
% 1.37/1.16  % (22615)Memory used [KB]: 5628
% 1.37/1.16  % (22615)Time elapsed: 0.007 s
% 1.37/1.16  % (22615)Instructions burned: 10 (million)
% 1.37/1.16  % (22615)------------------------------
% 1.37/1.16  % (22615)------------------------------
% 1.37/1.16  % (22614)Success in time 0.021 s
%------------------------------------------------------------------------------