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DT2H2X---1.9.5.THM-Ref.s

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%------------------------------------------------------------------------------
% File     : DT2H2X---1.9.5
% Problem  : NUM762^1 : TPTP v9.2.1. Released v3.7.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : /export/starexec/sandbox/solver/bin/run_DT2H2X /export/starexec/sandbox/benchmark/theBenchmark.p 300

% Computer : n013.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 09:24:37 AM UTC 2026

% Result   : Theorem 1.71s 1.35s
% Output   : Refutation 1.71s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   16
%            Number of leaves      :   10
% Syntax   : Number of formulae    :   72 (  18 unt;   0 typ;   2 def)
%            Number of atoms       :  421 ( 123 equ;   0 cnn)
%            Maximal formula atoms :    5 (   5 avg)
%            Number of connectives :  626 (  93   ~;  73   |;   0   &; 430   @)
%                                         (   2 <=>;  28  =>;   0  <=;   0 <~>)
%            Maximal formula depth :   11 (   6 avg)
%            Number of types       :    2 (   1 usr)
%            Number of type conns  :    0 (   0   >;   0   *;   0   +;   0  <<)
%            Number of symbols     :   12 (   9 usr;   8 con; 0-2 aty)
%            Number of variables   :  126 (   0   ^; 126   !;   0   ?; 126   :)

% Comments : 
%------------------------------------------------------------------------------
thf(type_def_5,type,
    frac: $tType ).

thf(func_def_0,type,
    frac: $tType ).

thf(func_def_1,type,
    x: frac ).

thf(func_def_2,type,
    y: frac ).

thf(func_def_3,type,
    z: frac ).

thf(func_def_4,type,
    u: frac ).

thf(func_def_5,type,
    moref: frac > frac > $o ).

thf(func_def_7,type,
    eq: frac > frac > $o ).

thf(func_def_8,type,
    pf: frac > frac > frac ).

thf(f141,plain,
    $false,
    inference(avatar_sat_refutation,[status(thm)],[f113,f124,f140]) ).

thf(f140,plain,
    ~ spl0_3,
    inference(avatar_contradiction_clause,[status(thm)],[f139]) ).

thf(f139,plain,
    ( $false
    | ~ spl0_3 ),
    inference(subsumption_resolution,[status(thm)],[f138,f49]) ).

thf(f49,plain,
    ! [X0: frac] :
      ( ( eq @ X0 @ X0 )
      = $true ),
    inference(cnf_transformation,[status(thm)],[f29]) ).

thf(f29,plain,
    ! [X0: frac] :
      ( ( eq @ X0 @ X0 )
      = $true ),
    inference(fool_elimination,[status(thm)],[f28]) ).

thf(f28,plain,
    ! [X0: frac] : ( eq @ X0 @ X0 ),
    inference(rectify,[status(thm)],[f6]) ).

thf(f6,axiom,
    ! [X1: frac] : ( eq @ X1 @ X1 ),
    file('/export/starexec/sandbox/tmp/tmp.kdjnnQlqPn/DTF2THF_22314.p',satz37) ).

thf(f138,plain,
    ( ( ( eq @ y @ y )
     != $true )
    | ~ spl0_3 ),
    inference(trivial_inequality_removal,[status(thm)],[f135]) ).

thf(f135,plain,
    ( ( $true != $true )
    | ( ( eq @ y @ y )
     != $true )
    | ~ spl0_3 ),
    inference(superposition,[status(thm)],[f108,f54]) ).

thf(f54,plain,
    ( ( moref @ x @ y )
    = $true ),
    inference(cnf_transformation,[status(thm)],[f17]) ).

thf(f17,plain,
    ( ( moref @ x @ y )
    = $true ),
    inference(fool_elimination,[status(thm)],[f16]) ).

thf(f16,plain,
    moref @ x @ y,
    inference(rectify,[status(thm)],[f1]) ).

thf(f1,axiom,
    moref @ x @ y,
    file('/export/starexec/sandbox/tmp/tmp.kdjnnQlqPn/DTF2THF_22314.p',m) ).

thf(f108,plain,
    ( ! [X0: frac] :
        ( ( $true
         != ( moref @ x @ X0 ) )
        | ( ( eq @ X0 @ y )
         != $true ) )
    | ~ spl0_3 ),
    inference(avatar_component_clause,[status(thm)],[f107]) ).

thf(f107,definition,
    ( spl0_3
  <=> ! [X0: frac] :
        ( ( $true
         != ( moref @ x @ X0 ) )
        | ( ( eq @ X0 @ y )
         != $true ) ) ),
    introduced(definition,[new_symbols(naming,[spl0_3])],[avatar_definition]) ).

thf(f124,plain,
    spl0_4,
    inference(avatar_contradiction_clause,[status(thm)],[f123]) ).

thf(f123,plain,
    ( $false
    | spl0_4 ),
    inference(subsumption_resolution,[status(thm)],[f122,f60]) ).

thf(f60,plain,
    ( ( moref @ z @ u )
   != $true ),
    inference(subsumption_resolution,[status(thm)],[f58,f54]) ).

thf(f58,plain,
    ( ( ( moref @ x @ y )
     != $true )
    | ( ( moref @ z @ u )
     != $true ) ),
    inference(trivial_inequality_removal,[status(thm)],[f56]) ).

thf(f56,plain,
    ( ( ( moref @ z @ u )
     != $true )
    | ( $true != $true )
    | ( ( moref @ x @ y )
     != $true ) ),
    inference(superposition,[status(thm)],[f47,f51]) ).

thf(f51,plain,
    ! [X2: frac,X3: frac,X0: frac,X1: frac] :
      ( ( ( moref @ ( pf @ X3 @ X1 ) @ ( pf @ X0 @ X2 ) )
        = $true )
      | ( ( moref @ X1 @ X2 )
       != $true )
      | ( ( moref @ X3 @ X0 )
       != $true ) ),
    inference(cnf_transformation,[status(thm)],[f44]) ).

thf(f44,plain,
    ! [X0: frac,X1: frac,X2: frac,X3: frac] :
      ( ( ( moref @ X3 @ X0 )
       != $true )
      | ( ( moref @ X1 @ X2 )
       != $true )
      | ( ( moref @ ( pf @ X3 @ X1 ) @ ( pf @ X0 @ X2 ) )
        = $true ) ),
    inference(rectify,[status(thm)],[f39]) ).

thf(f39,plain,
    ! [X1: frac,X3: frac,X2: frac,X0: frac] :
      ( ( ( moref @ X0 @ X1 )
       != $true )
      | ( ( moref @ X3 @ X2 )
       != $true )
      | ( ( moref @ ( pf @ X0 @ X3 ) @ ( pf @ X1 @ X2 ) )
        = $true ) ),
    inference(flattening,[status(thm)],[f38]) ).

thf(f38,plain,
    ! [X2: frac,X0: frac,X3: frac,X1: frac] :
      ( ( ( moref @ ( pf @ X0 @ X3 ) @ ( pf @ X1 @ X2 ) )
        = $true )
      | ( ( moref @ X3 @ X2 )
       != $true )
      | ( ( moref @ X0 @ X1 )
       != $true ) ),
    inference(ennf_transformation,[status(thm)],[f13]) ).

thf(f13,plain,
    ! [X2: frac,X0: frac,X3: frac,X1: frac] :
      ( ( ( moref @ X0 @ X1 )
        = $true )
     => ( ( ( moref @ X3 @ X2 )
          = $true )
       => ( ( moref @ ( pf @ X0 @ X3 ) @ ( pf @ X1 @ X2 ) )
          = $true ) ) ),
    inference(fool_elimination,[status(thm)],[f12]) ).

thf(f12,plain,
    ! [X0: frac,X1: frac,X2: frac,X3: frac] :
      ( ( moref @ X0 @ X1 )
     => ( ( moref @ X3 @ X2 )
       => ( moref @ ( pf @ X0 @ X3 ) @ ( pf @ X1 @ X2 ) ) ) ),
    inference(rectify,[status(thm)],[f8]) ).

thf(f8,axiom,
    ! [X1: frac,X2: frac,X4: frac,X3: frac] :
      ( ( moref @ X1 @ X2 )
     => ( ( moref @ X3 @ X4 )
       => ( moref @ ( pf @ X1 @ X3 ) @ ( pf @ X2 @ X4 ) ) ) ),
    file('/export/starexec/sandbox/tmp/tmp.kdjnnQlqPn/DTF2THF_22314.p',satz64) ).

thf(f47,plain,
    ( ( moref @ ( pf @ x @ z ) @ ( pf @ y @ u ) )
   != $true ),
    inference(cnf_transformation,[status(thm)],[f30]) ).

thf(f30,plain,
    ( ( moref @ ( pf @ x @ z ) @ ( pf @ y @ u ) )
   != $true ),
    inference(flattening,[status(thm)],[f15]) ).

thf(f15,plain,
    ( ( moref @ ( pf @ x @ z ) @ ( pf @ y @ u ) )
   != $true ),
    inference(fool_elimination,[status(thm)],[f14]) ).

thf(f14,plain,
    ~ ( moref @ ( pf @ x @ z ) @ ( pf @ y @ u ) ),
    inference(rectify,[status(thm)],[f10]) ).

thf(f10,negated_conjecture,
    ~ ( moref @ ( pf @ x @ z ) @ ( pf @ y @ u ) ),
    inference(negated_conjecture,[status(cth)],[f9]) ).

thf(f9,conjecture,
    moref @ ( pf @ x @ z ) @ ( pf @ y @ u ),
    file('/export/starexec/sandbox/tmp/tmp.kdjnnQlqPn/DTF2THF_22314.p',satz65b) ).

thf(f122,plain,
    ( ( ( moref @ z @ u )
      = $true )
    | spl0_4 ),
    inference(trivial_inequality_removal,[status(thm)],[f121]) ).

thf(f121,plain,
    ( ( $true != $true )
    | ( ( moref @ z @ u )
      = $true )
    | spl0_4 ),
    inference(superposition,[status(thm)],[f112,f48]) ).

thf(f48,plain,
    ( ( ( eq @ z @ u )
      = $true )
    | ( ( moref @ z @ u )
      = $true ) ),
    inference(cnf_transformation,[status(thm)],[f41]) ).

thf(f41,plain,
    ( ( ( moref @ z @ u )
      = $true )
    | ( ( eq @ z @ u )
      = $true ) ),
    inference(ennf_transformation,[status(thm)],[f32]) ).

thf(f32,plain,
    ( ( ( moref @ z @ u )
     != $true )
   => ( ( eq @ z @ u )
      = $true ) ),
    inference(flattening,[status(thm)],[f21]) ).

thf(f21,plain,
    ( ( ( moref @ z @ u )
     != $true )
   => ( ( eq @ z @ u )
      = $true ) ),
    inference(fool_elimination,[status(thm)],[f20]) ).

thf(f20,plain,
    ( ~ ( moref @ z @ u )
   => ( eq @ z @ u ) ),
    inference(rectify,[status(thm)],[f2]) ).

thf(f2,axiom,
    ( ~ ( moref @ z @ u )
   => ( eq @ z @ u ) ),
    file('/export/starexec/sandbox/tmp/tmp.kdjnnQlqPn/DTF2THF_22314.p',n) ).

thf(f112,plain,
    ( ( ( eq @ z @ u )
     != $true )
    | spl0_4 ),
    inference(avatar_component_clause,[status(thm)],[f110]) ).

thf(f110,definition,
    ( spl0_4
  <=> ( ( eq @ z @ u )
      = $true ) ),
    introduced(definition,[new_symbols(naming,[spl0_4])],[avatar_definition]) ).

thf(f113,plain,
    ( spl0_3
    | ~ spl0_4 ),
    inference(avatar_split_clause,[status(thm)],[f105,f110,f107]) ).

thf(f105,plain,
    ! [X0: frac] :
      ( ( $true
       != ( moref @ x @ X0 ) )
      | ( ( eq @ z @ u )
       != $true )
      | ( ( eq @ X0 @ y )
       != $true ) ),
    inference(trivial_inequality_removal,[status(thm)],[f103]) ).

thf(f103,plain,
    ! [X0: frac] :
      ( ( ( eq @ X0 @ y )
       != $true )
      | ( ( eq @ z @ u )
       != $true )
      | ( $true != $true )
      | ( $true
       != ( moref @ x @ X0 ) ) ),
    inference(superposition,[status(thm)],[f85,f49]) ).

thf(f85,plain,
    ! [X2: frac,X0: frac,X1: frac] :
      ( ( ( eq @ ( pf @ X0 @ X1 ) @ ( pf @ x @ z ) )
       != $true )
      | ( ( eq @ X1 @ u )
       != $true )
      | ( ( moref @ X0 @ X2 )
       != $true )
      | ( ( eq @ X2 @ y )
       != $true ) ),
    inference(trivial_inequality_removal,[status(thm)],[f81]) ).

thf(f81,plain,
    ! [X2: frac,X0: frac,X1: frac] :
      ( ( ( eq @ ( pf @ X0 @ X1 ) @ ( pf @ x @ z ) )
       != $true )
      | ( $true != $true )
      | ( ( eq @ X1 @ u )
       != $true )
      | ( ( moref @ X0 @ X2 )
       != $true )
      | ( ( eq @ X2 @ y )
       != $true ) ),
    inference(superposition,[status(thm)],[f70,f50]) ).

thf(f50,plain,
    ! [X2: frac,X0: frac,X1: frac] :
      ( ( ( moref @ ( pf @ X1 @ X0 ) @ ( pf @ X2 @ X0 ) )
        = $true )
      | ( ( moref @ X1 @ X2 )
       != $true ) ),
    inference(cnf_transformation,[status(thm)],[f43]) ).

thf(f43,plain,
    ! [X0: frac,X1: frac,X2: frac] :
      ( ( ( moref @ X1 @ X2 )
       != $true )
      | ( ( moref @ ( pf @ X1 @ X0 ) @ ( pf @ X2 @ X0 ) )
        = $true ) ),
    inference(rectify,[status(thm)],[f33]) ).

thf(f33,plain,
    ! [X1: frac,X2: frac,X0: frac] :
      ( ( $true
       != ( moref @ X2 @ X0 ) )
      | ( $true
        = ( moref @ ( pf @ X2 @ X1 ) @ ( pf @ X0 @ X1 ) ) ) ),
    inference(ennf_transformation,[status(thm)],[f27]) ).

thf(f27,plain,
    ! [X0: frac,X2: frac,X1: frac] :
      ( ( $true
        = ( moref @ X2 @ X0 ) )
     => ( $true
        = ( moref @ ( pf @ X2 @ X1 ) @ ( pf @ X0 @ X1 ) ) ) ),
    inference(fool_elimination,[status(thm)],[f26]) ).

thf(f26,plain,
    ! [X0: frac,X1: frac,X2: frac] :
      ( ( moref @ X2 @ X0 )
     => ( moref @ ( pf @ X2 @ X1 ) @ ( pf @ X0 @ X1 ) ) ),
    inference(rectify,[status(thm)],[f5]) ).

thf(f5,axiom,
    ! [X2: frac,X3: frac,X1: frac] :
      ( ( moref @ X1 @ X2 )
     => ( moref @ ( pf @ X1 @ X3 ) @ ( pf @ X2 @ X3 ) ) ),
    file('/export/starexec/sandbox/tmp/tmp.kdjnnQlqPn/DTF2THF_22314.p',satz61) ).

thf(f70,plain,
    ! [X2: frac,X0: frac,X1: frac] :
      ( ( $true
       != ( moref @ X2 @ ( pf @ X0 @ X1 ) ) )
      | ( ( eq @ X2 @ ( pf @ x @ z ) )
       != $true )
      | ( ( eq @ X1 @ u )
       != $true )
      | ( ( eq @ X0 @ y )
       != $true ) ),
    inference(trivial_inequality_removal,[status(thm)],[f68]) ).

thf(f68,plain,
    ! [X2: frac,X0: frac,X1: frac] :
      ( ( ( eq @ X2 @ ( pf @ x @ z ) )
       != $true )
      | ( ( eq @ X1 @ u )
       != $true )
      | ( $true
       != ( moref @ X2 @ ( pf @ X0 @ X1 ) ) )
      | ( $true != $true )
      | ( ( eq @ X0 @ y )
       != $true ) ),
    inference(superposition,[status(thm)],[f59,f46]) ).

thf(f46,plain,
    ! [X2: frac,X3: frac,X0: frac,X1: frac] :
      ( ( ( eq @ ( pf @ X3 @ X2 ) @ ( pf @ X1 @ X0 ) )
        = $true )
      | ( $true
       != ( eq @ X2 @ X0 ) )
      | ( ( eq @ X3 @ X1 )
       != $true ) ),
    inference(cnf_transformation,[status(thm)],[f42]) ).

thf(f42,plain,
    ! [X0: frac,X1: frac,X2: frac,X3: frac] :
      ( ( $true
       != ( eq @ X2 @ X0 ) )
      | ( ( eq @ ( pf @ X3 @ X2 ) @ ( pf @ X1 @ X0 ) )
        = $true )
      | ( ( eq @ X3 @ X1 )
       != $true ) ),
    inference(rectify,[status(thm)],[f35]) ).

thf(f35,plain,
    ! [X1: frac,X2: frac,X3: frac,X0: frac] :
      ( ( ( eq @ X3 @ X1 )
       != $true )
      | ( ( eq @ ( pf @ X0 @ X3 ) @ ( pf @ X2 @ X1 ) )
        = $true )
      | ( $true
       != ( eq @ X0 @ X2 ) ) ),
    inference(flattening,[status(thm)],[f34]) ).

thf(f34,plain,
    ! [X3: frac,X1: frac,X2: frac,X0: frac] :
      ( ( ( eq @ ( pf @ X0 @ X3 ) @ ( pf @ X2 @ X1 ) )
        = $true )
      | ( ( eq @ X3 @ X1 )
       != $true )
      | ( $true
       != ( eq @ X0 @ X2 ) ) ),
    inference(ennf_transformation,[status(thm)],[f23]) ).

thf(f23,plain,
    ! [X3: frac,X1: frac,X2: frac,X0: frac] :
      ( ( $true
        = ( eq @ X0 @ X2 ) )
     => ( ( ( eq @ X3 @ X1 )
          = $true )
       => ( ( eq @ ( pf @ X0 @ X3 ) @ ( pf @ X2 @ X1 ) )
          = $true ) ) ),
    inference(fool_elimination,[status(thm)],[f22]) ).

thf(f22,plain,
    ! [X0: frac,X1: frac,X2: frac,X3: frac] :
      ( ( eq @ X0 @ X2 )
     => ( ( eq @ X3 @ X1 )
       => ( eq @ ( pf @ X0 @ X3 ) @ ( pf @ X2 @ X1 ) ) ) ),
    inference(rectify,[status(thm)],[f7]) ).

thf(f7,axiom,
    ! [X1: frac,X4: frac,X2: frac,X3: frac] :
      ( ( eq @ X1 @ X2 )
     => ( ( eq @ X3 @ X4 )
       => ( eq @ ( pf @ X1 @ X3 ) @ ( pf @ X2 @ X4 ) ) ) ),
    file('/export/starexec/sandbox/tmp/tmp.kdjnnQlqPn/DTF2THF_22314.p',satz56) ).

thf(f59,plain,
    ! [X0: frac,X1: frac] :
      ( ( ( eq @ X1 @ ( pf @ y @ u ) )
       != $true )
      | ( ( moref @ X0 @ X1 )
       != $true )
      | ( ( eq @ X0 @ ( pf @ x @ z ) )
       != $true ) ),
    inference(trivial_inequality_removal,[status(thm)],[f57]) ).

thf(f57,plain,
    ! [X0: frac,X1: frac] :
      ( ( ( eq @ X0 @ ( pf @ x @ z ) )
       != $true )
      | ( ( eq @ X1 @ ( pf @ y @ u ) )
       != $true )
      | ( ( moref @ X0 @ X1 )
       != $true )
      | ( $true != $true ) ),
    inference(superposition,[status(thm)],[f47,f52]) ).

thf(f52,plain,
    ! [X2: frac,X3: frac,X0: frac,X1: frac] :
      ( ( ( moref @ X2 @ X3 )
        = $true )
      | ( ( moref @ X1 @ X0 )
       != $true )
      | ( ( eq @ X1 @ X2 )
       != $true )
      | ( ( eq @ X0 @ X3 )
       != $true ) ),
    inference(cnf_transformation,[status(thm)],[f45]) ).

thf(f45,plain,
    ! [X0: frac,X1: frac,X2: frac,X3: frac] :
      ( ( ( eq @ X0 @ X3 )
       != $true )
      | ( ( eq @ X1 @ X2 )
       != $true )
      | ( ( moref @ X2 @ X3 )
        = $true )
      | ( ( moref @ X1 @ X0 )
       != $true ) ),
    inference(rectify,[status(thm)],[f37]) ).

thf(f37,plain,
    ! [X1: frac,X3: frac,X2: frac,X0: frac] :
      ( ( ( eq @ X1 @ X0 )
       != $true )
      | ( ( eq @ X3 @ X2 )
       != $true )
      | ( $true
        = ( moref @ X2 @ X0 ) )
      | ( ( moref @ X3 @ X1 )
       != $true ) ),
    inference(flattening,[status(thm)],[f36]) ).

thf(f36,plain,
    ! [X2: frac,X3: frac,X0: frac,X1: frac] :
      ( ( $true
        = ( moref @ X2 @ X0 ) )
      | ( ( eq @ X1 @ X0 )
       != $true )
      | ( ( eq @ X3 @ X2 )
       != $true )
      | ( ( moref @ X3 @ X1 )
       != $true ) ),
    inference(ennf_transformation,[status(thm)],[f19]) ).

thf(f19,plain,
    ! [X2: frac,X3: frac,X0: frac,X1: frac] :
      ( ( ( moref @ X3 @ X1 )
        = $true )
     => ( ( ( eq @ X3 @ X2 )
          = $true )
       => ( ( ( eq @ X1 @ X0 )
            = $true )
         => ( $true
            = ( moref @ X2 @ X0 ) ) ) ) ),
    inference(fool_elimination,[status(thm)],[f18]) ).

thf(f18,plain,
    ! [X0: frac,X1: frac,X2: frac,X3: frac] :
      ( ( moref @ X3 @ X1 )
     => ( ( eq @ X3 @ X2 )
       => ( ( eq @ X1 @ X0 )
         => ( moref @ X2 @ X0 ) ) ) ),
    inference(rectify,[status(thm)],[f4]) ).

thf(f4,axiom,
    ! [X4: frac,X2: frac,X3: frac,X1: frac] :
      ( ( moref @ X1 @ X2 )
     => ( ( eq @ X1 @ X3 )
       => ( ( eq @ X2 @ X4 )
         => ( moref @ X3 @ X4 ) ) ) ),
    file('/export/starexec/sandbox/tmp/tmp.kdjnnQlqPn/DTF2THF_22314.p',satz44) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.12  % Problem  : NUM762^1 : TPTP v9.2.1. Released v3.7.0.
% 0.12/0.13  % Command  : /export/starexec/sandbox/solver/bin/run_DT2H2X /export/starexec/sandbox/benchmark/theBenchmark.p 300
% 0.16/0.34  % Computer : n013.cluster.edu
% 0.16/0.34  % Model    : x86_64 x86_64
% 0.16/0.34  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.16/0.34  % Memory   : 8042.1875MB
% 0.16/0.34  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.16/0.34  % CPULimit : 300
% 0.16/0.34  % WCLimit  : 300
% 0.16/0.34  % DateTime : Tue Feb 24 11:13:08 EST 2026
% 0.16/0.34  % CPUTime  : 
% 0.16/0.34  Running /export/starexec/sandbox/solver/bin/run_DT2H2X /export/starexec/sandbox/benchmark/theBenchmark.p 300
% 0.21/0.46  ---- Original DTF file ---
% 0.21/0.46  thf(spec,logic,$$dhol).
% 0.21/0.46  %------------------------------------------------------------------------------
% 0.21/0.46  % File     : NUM762^1 : TPTP v9.2.1. Released v3.7.0.
% 0.21/0.46  % Domain   : Number Theory
% 0.21/0.46  % Problem  : Landau theorem 65b
% 0.21/0.46  % Version  : Especial.
% 0.21/0.46  % English  : moref (pf x z) (pf y u)
% 0.21/0.46  
% 0.21/0.46  % Refs     : [Lan30] Landau (1930), Grundlagen der Analysis
% 0.21/0.46  %          : [vBJ79] van Benthem Jutting (1979), Checking Landau's "Grundla
% 0.21/0.46  %          : [Bro09] Brown (2009), Email to Geoff Sutcliffe
% 0.21/0.46  % Source   : [Bro09]
% 0.21/0.46  % Names    : satz65b [Lan30]
% 0.21/0.46  
% 0.21/0.46  % Status   : Theorem
% 0.21/0.46  %          : Without extensionality : Theorem
% 0.21/0.46  % Rating   : 0.33 v9.1.0, 0.25 v9.0.0, 0.33 v8.2.0, 0.36 v8.1.0, 0.25 v7.4.0, 0.33 v7.3.0, 0.30 v7.2.0, 0.38 v7.1.0, 0.43 v7.0.0, 0.50 v6.4.0, 0.57 v6.3.0, 0.50 v6.2.0, 0.33 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, 0.33 v4.0.1, 1.00 v4.0.0, 0.67 v3.7.0
% 0.21/0.46  % Syntax   : Number of formulae    :   17 (   3 unt;   8 typ;   0 def)
% 0.21/0.46  %            Number of atoms       :   17 (   0 equ;   0 cnn)
% 0.21/0.46  %            Maximal formula atoms :    4 (   1 avg)
% 0.21/0.46  %            Number of connectives :   63 (   3   ~;   0   |;   0   &;  50   @)
% 0.21/0.46  %                                         (   0 <=>;  10  =>;   0  <=;   0 <~>)
% 0.21/0.46  %            Maximal formula depth :   11 (   7 avg)
% 0.21/0.46  %            Number of types       :    2 (   1 usr)
% 0.21/0.46  %            Number of type conns  :    6 (   6   >;   0   *;   0   +;   0  <<)
% 0.21/0.46  %            Number of symbols     :    7 (   7 usr;   4 con; 0-2 aty)
% 0.21/0.46  %            Number of variables   :   17 (   0   ^;  17   !;   0   ?;  17   :)
% 0.21/0.46  % SPC      : TH0_THM_NEQ_NAR
% 0.21/0.46  
% 0.21/0.46  % Comments : 
% 0.21/0.46  %------------------------------------------------------------------------------
% 0.21/0.46  thf(frac_type,type,
% 0.21/0.46      frac: $tType ).
% 0.21/0.46  
% 0.21/0.46  thf(x,type,
% 0.21/0.46      x: frac ).
% 0.21/0.46  
% 0.21/0.46  thf(y,type,
% 0.21/0.46      y: frac ).
% 0.21/0.46  
% 0.21/0.46  thf(z,type,
% 0.21/0.46      z: frac ).
% 0.21/0.46  
% 0.21/0.46  thf(u,type,
% 0.21/0.46      u: frac ).
% 0.21/0.46  
% 0.21/0.46  thf(moref,type,
% 0.21/0.46      moref: frac > frac > $o ).
% 0.21/0.46  
% 0.21/0.46  thf(m,axiom,
% 0.21/0.46      moref @ x @ y ).
% 0.21/0.46  
% 0.21/0.46  thf(eq,type,
% 0.21/0.46      eq: frac > frac > $o ).
% 0.21/0.46  
% 0.21/0.46  thf(n,axiom,
% 0.21/0.46      ( ~ ( moref @ z @ u )
% 0.21/0.46     => ( eq @ z @ u ) ) ).
% 0.21/0.46  
% 0.21/0.46  thf(pf,type,
% 0.21/0.46      pf: frac > frac > frac ).
% 0.21/0.46  
% 0.21/0.46  thf(et,axiom,
% 0.21/0.46      ! [Xa: $o] :
% 0.21/0.46        ( ~ ~ Xa
% 0.21/0.46       => Xa ) ).
% 0.21/0.46  
% 0.21/0.46  thf(satz44,axiom,
% 0.21/0.46      ! [Xx: frac,Xy: frac,Xz: frac,Xu: frac] :
% 0.21/0.46        ( ( moref @ Xx @ Xy )
% 0.21/0.46       => ( ( eq @ Xx @ Xz )
% 0.21/0.46         => ( ( eq @ Xy @ Xu )
% 0.21/0.46           => ( moref @ Xz @ Xu ) ) ) ) ).
% 0.21/0.46  
% 0.21/0.46  thf(satz61,axiom,
% 0.21/0.46      ! [Xx: frac,Xy: frac,Xz: frac] :
% 0.21/0.46        ( ( moref @ Xx @ Xy )
% 0.21/0.46       => ( moref @ ( pf @ Xx @ Xz ) @ ( pf @ Xy @ Xz ) ) ) ).
% 0.21/0.46  
% 0.21/0.46  thf(satz37,axiom,
% 0.21/0.46      ! [Xx: frac] : ( eq @ Xx @ Xx ) ).
% 0.21/0.46  
% 0.21/0.46  thf(satz56,axiom,
% 0.21/0.46      ! [Xx: frac,Xy: frac,Xz: frac,Xu: frac] :
% 0.21/0.46        ( ( eq @ Xx @ Xy )
% 0.21/0.46       => ( ( eq @ Xz @ Xu )
% 0.21/0.46         => ( eq @ ( pf @ Xx @ Xz ) @ ( pf @ Xy @ Xu ) ) ) ) ).
% 0.21/0.46  
% 0.21/0.46  thf(satz64,axiom,
% 0.21/0.46      ! [Xx: frac,Xy: frac,Xz: frac,Xu: frac] :
% 0.21/0.46        ( ( moref @ Xx @ Xy )
% 0.21/0.46       => ( ( moref @ Xz @ Xu )
% 0.21/0.46         => ( moref @ ( pf @ Xx @ Xz ) @ ( pf @ Xy @ Xu ) ) ) ) ).
% 0.21/0.46  
% 0.21/0.46  thf(satz65b,conjecture,
% 0.21/0.46      moref @ ( pf @ x @ z ) @ ( pf @ y @ u ) ).
% 0.21/0.46  
% 0.21/0.46  %------------------------------------------------------------------------------
% 0.21/0.46  ------------------------
% 1.71/1.31  ---- Embedded in THF ---
% 1.71/1.31  %%% This output was generated by embedproblem, version 1.9.5 (library version 1.9).
% 1.71/1.31  %%% Generated on Tue Feb 24 11:13:09 EST 2026
% 1.71/1.31  %%% using '$$dhol' embedding, version 1.3.0.
% 1.71/1.31  %%% Logic specification used:
% 1.71/1.31  %%% thf(spec, logic, $$dhol).
% 1.71/1.31  
% 1.71/1.31  % SZS output start ListOfTHF for /export/starexec/sandbox/tmp/tmp.kdjnnQlqPn/DTF2DTF22314.p
% See solution above
% 1.71/1.31  ------------------------
% 1.71/1.32  ---- Cleaned THF ---
% 1.71/1.32  thf(frac_type,type,
% 1.71/1.32      frac: $tType ).
% 1.71/1.32  
% 1.71/1.32  thf(x,type,
% 1.71/1.32      x: frac ).
% 1.71/1.32  
% 1.71/1.32  thf(y,type,
% 1.71/1.32      y: frac ).
% 1.71/1.32  
% 1.71/1.32  thf(z,type,
% 1.71/1.32      z: frac ).
% 1.71/1.32  
% 1.71/1.32  thf(u,type,
% 1.71/1.32      u: frac ).
% 1.71/1.32  
% 1.71/1.32  thf(moref,type,
% 1.71/1.32      moref: frac > frac > $o ).
% 1.71/1.32  
% 1.71/1.32  thf(m,axiom,
% 1.71/1.32      moref @ x @ y ).
% 1.71/1.32  
% 1.71/1.32  thf(eq,type,
% 1.71/1.32      eq: frac > frac > $o ).
% 1.71/1.32  
% 1.71/1.32  thf(n,axiom,
% 1.71/1.32      ( ~ ( moref @ z @ u )
% 1.71/1.32     => ( eq @ z @ u ) ) ).
% 1.71/1.32  
% 1.71/1.32  thf(pf,type,
% 1.71/1.32      pf: frac > frac > frac ).
% 1.71/1.32  
% 1.71/1.32  thf(et,axiom,
% 1.71/1.32      ! [Xa: $o] :
% 1.71/1.32        ( ~ ~ Xa
% 1.71/1.32       => Xa ) ).
% 1.71/1.32  
% 1.71/1.32  thf(satz44,axiom,
% 1.71/1.32      ! [Xx: frac,Xy: frac,Xz: frac,Xu: frac] :
% 1.71/1.32        ( ( moref @ Xx @ Xy )
% 1.71/1.32       => ( ( eq @ Xx @ Xz )
% 1.71/1.32         => ( ( eq @ Xy @ Xu )
% 1.71/1.32           => ( moref @ Xz @ Xu ) ) ) ) ).
% 1.71/1.32  
% 1.71/1.32  thf(satz61,axiom,
% 1.71/1.32      ! [Xx: frac,Xy: frac,Xz: frac] :
% 1.71/1.32        ( ( moref @ Xx @ Xy )
% 1.71/1.32       => ( moref @ ( pf @ Xx @ Xz ) @ ( pf @ Xy @ Xz ) ) ) ).
% 1.71/1.32  
% 1.71/1.32  thf(satz37,axiom,
% 1.71/1.32      ! [Xx: frac] : ( eq @ Xx @ Xx ) ).
% 1.71/1.32  
% 1.71/1.32  thf(satz56,axiom,
% 1.71/1.32      ! [Xx: frac,Xy: frac,Xz: frac,Xu: frac] :
% 1.71/1.32        ( ( eq @ Xx @ Xy )
% 1.71/1.32       => ( ( eq @ Xz @ Xu )
% 1.71/1.32         => ( eq @ ( pf @ Xx @ Xz ) @ ( pf @ Xy @ Xu ) ) ) ) ).
% 1.71/1.32  
% 1.71/1.32  thf(satz64,axiom,
% 1.71/1.32      ! [Xx: frac,Xy: frac,Xz: frac,Xu: frac] :
% 1.71/1.32        ( ( moref @ Xx @ Xy )
% 1.71/1.32       => ( ( moref @ Xz @ Xu )
% 1.71/1.32         => ( moref @ ( pf @ Xx @ Xz ) @ ( pf @ Xy @ Xu ) ) ) ) ).
% 1.71/1.32  
% 1.71/1.32  thf(satz65b,conjecture,
% 1.71/1.32      moref @ ( pf @ x @ z ) @ ( pf @ y @ u ) ).
% 1.71/1.32  ------------------------
% 1.71/1.34  % (22505)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_22314 for (2999ds/4Mi)
% 1.71/1.34  % (22505)Instruction limit reached!
% 1.71/1.34  % (22505)------------------------------
% 1.71/1.34  % (22505)Version: Vampire 4.8 (commit 7b44b1c2f on 2025-07-15 09:50:17 +0100)
% 1.71/1.34  % (22505)Termination reason: Unknown
% 1.71/1.34  % (22505)Termination phase: Saturation
% 1.71/1.34  
% 1.71/1.34  % (22505)Memory used [KB]: 5500
% 1.71/1.34  % (22505)Time elapsed: 0.003 s
% 1.71/1.34  % (22505)Instructions burned: 5 (million)
% 1.71/1.34  % (22505)------------------------------
% 1.71/1.34  % (22505)------------------------------
% 1.71/1.34  % (22509)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_22314 for (2999ds/275Mi)
% 1.71/1.34  % (22508)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_22314 for (2999ds/2Mi)
% 1.71/1.34  % (22508)Instruction limit reached!
% 1.71/1.34  % (22508)------------------------------
% 1.71/1.34  % (22508)Version: Vampire 4.8 (commit 7b44b1c2f on 2025-07-15 09:50:17 +0100)
% 1.71/1.34  % (22508)Termination reason: Unknown
% 1.71/1.34  % (22508)Termination phase: shuffling
% 1.71/1.34  
% 1.71/1.34  % (22508)Memory used [KB]: 1023
% 1.71/1.34  % (22508)Time elapsed: 0.003 s
% 1.71/1.34  % (22508)Instructions burned: 2 (million)
% 1.71/1.34  % (22508)------------------------------
% 1.71/1.34  % (22508)------------------------------
% 1.71/1.35  % (22506)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_22314 for (2999ds/27Mi)
% 1.71/1.35  % (22511)lrs+10_1:1_bet=on:cnfonf=off:fd=off:hud=5:inj=on:i=3:si=on:rtra=on_0 on DTF2THF_22314 for (2999ds/3Mi)
% 1.71/1.35  % (22511)Instruction limit reached!
% 1.71/1.35  % (22511)------------------------------
% 1.71/1.35  % (22511)Version: Vampire 4.8 (commit 7b44b1c2f on 2025-07-15 09:50:17 +0100)
% 1.71/1.35  % (22511)Termination reason: Unknown
% 1.71/1.35  % (22511)Termination phase: Saturation
% 1.71/1.35  
% 1.71/1.35  % (22511)Memory used [KB]: 5500
% 1.71/1.35  % (22511)Time elapsed: 0.003 s
% 1.71/1.35  % (22511)Instructions burned: 3 (million)
% 1.71/1.35  % (22511)------------------------------
% 1.71/1.35  % (22511)------------------------------
% 1.71/1.35  % (22509)First to succeed.
% 1.71/1.35  % (22509)Refutation found. Thanks to Tanya!
% 1.71/1.35  % SZS status Theorem for DTF2THF_22314
% 1.71/1.35  % SZS output start Proof for DTF2THF_22314
% 1.71/1.35  thf(type_def_5, type, frac: $tType).
% 1.71/1.35  thf(func_def_0, type, frac: $tType).
% 1.71/1.35  thf(func_def_1, type, x: frac).
% 1.71/1.35  thf(func_def_2, type, y: frac).
% 1.71/1.35  thf(func_def_3, type, z: frac).
% 1.71/1.35  thf(func_def_4, type, u: frac).
% 1.71/1.35  thf(func_def_5, type, moref: frac > frac > $o).
% 1.71/1.35  thf(func_def_7, type, eq: frac > frac > $o).
% 1.71/1.35  thf(func_def_8, type, pf: frac > frac > frac).
% 1.71/1.35  thf(f141,plain,(
% 1.71/1.35    $false),
% 1.71/1.35    inference(avatar_sat_refutation,[status(thm)],[f113,f124,f140])).
% 1.71/1.35  thf(f140,plain,(
% 1.71/1.35    ~spl0_3),
% 1.71/1.35    inference(avatar_contradiction_clause,[status(thm)],[f139])).
% 1.71/1.35  thf(f139,plain,(
% 1.71/1.35    $false | ~spl0_3),
% 1.71/1.35    inference(subsumption_resolution,[status(thm)],[f138,f49])).
% 1.71/1.35  thf(f49,plain,(
% 1.71/1.35    ( ! [X0 : frac] : (((eq @ X0 @ X0) = $true)) )),
% 1.71/1.35    inference(cnf_transformation,[status(thm)],[f29])).
% 1.71/1.35  thf(f29,plain,(
% 1.71/1.35    ! [X0 : frac] : ((eq @ X0 @ X0) = $true)),
% 1.71/1.35    inference(fool_elimination,[status(thm)],[f28])).
% 1.71/1.35  thf(f28,plain,(
% 1.71/1.35    ! [X0 : frac] : (eq @ X0 @ X0)),
% 1.71/1.35    inference(rectify,[status(thm)],[f6])).
% 1.71/1.35  thf(f6,axiom,(
% 1.71/1.35    ! [X1 : frac] : (eq @ X1 @ X1)),
% 1.71/1.35    file('/export/starexec/sandbox/tmp/tmp.kdjnnQlqPn/DTF2THF_22314.p',satz37)).
% 1.71/1.35  thf(f138,plain,(
% 1.71/1.35    ((eq @ y @ y) != $true) | ~spl0_3),
% 1.71/1.35    inference(trivial_inequality_removal,[status(thm)],[f135])).
% 1.71/1.35  thf(f135,plain,(
% 1.71/1.35    ($true != $true) | ((eq @ y @ y) != $true) | ~spl0_3),
% 1.71/1.35    inference(superposition,[status(thm)],[f108,f54])).
% 1.71/1.35  thf(f54,plain,(
% 1.71/1.35    ((moref @ x @ y) = $true)),
% 1.71/1.35    inference(cnf_transformation,[status(thm)],[f17])).
% 1.71/1.35  thf(f17,plain,(
% 1.71/1.35    ((moref @ x @ y) = $true)),
% 1.71/1.35    inference(fool_elimination,[status(thm)],[f16])).
% 1.71/1.35  thf(f16,plain,(
% 1.71/1.35    (moref @ x @ y)),
% 1.71/1.35    inference(rectify,[status(thm)],[f1])).
% 1.71/1.35  thf(f1,axiom,(
% 1.71/1.35    (moref @ x @ y)),
% 1.71/1.35    file('/export/starexec/sandbox/tmp/tmp.kdjnnQlqPn/DTF2THF_22314.p',m)).
% 1.71/1.35  thf(f108,plain,(
% 1.71/1.35    ( ! [X0 : frac] : (($true != (moref @ x @ X0)) | ((eq @ X0 @ y) != $true)) ) | ~spl0_3),
% 1.71/1.35    inference(avatar_component_clause,[status(thm)],[f107])).
% 1.71/1.35  thf(f107,definition,(
% 1.71/1.35    spl0_3 <=> ! [X0 : frac] : (($true != (moref @ x @ X0)) | ((eq @ X0 @ y) != $true))),
% 1.71/1.35    introduced(definition,[new_symbols(naming,[spl0_3])],[avatar_definition])).
% 1.71/1.35  thf(f124,plain,(
% 1.71/1.35    spl0_4),
% 1.71/1.35    inference(avatar_contradiction_clause,[status(thm)],[f123])).
% 1.71/1.35  thf(f123,plain,(
% 1.71/1.35    $false | spl0_4),
% 1.71/1.35    inference(subsumption_resolution,[status(thm)],[f122,f60])).
% 1.71/1.35  thf(f60,plain,(
% 1.71/1.35    ((moref @ z @ u) != $true)),
% 1.71/1.35    inference(subsumption_resolution,[status(thm)],[f58,f54])).
% 1.71/1.35  thf(f58,plain,(
% 1.71/1.35    ((moref @ x @ y) != $true) | ((moref @ z @ u) != $true)),
% 1.71/1.35    inference(trivial_inequality_removal,[status(thm)],[f56])).
% 1.71/1.35  thf(f56,plain,(
% 1.71/1.35    ((moref @ z @ u) != $true) | ($true != $true) | ((moref @ x @ y) != $true)),
% 1.71/1.35    inference(superposition,[status(thm)],[f47,f51])).
% 1.71/1.35  thf(f51,plain,(
% 1.71/1.35    ( ! [X2 : frac,X3 : frac,X0 : frac,X1 : frac] : (((moref @ (pf @ X3 @ X1) @ (pf @ X0 @ X2)) = $true) | ((moref @ X1 @ X2) != $true) | ((moref @ X3 @ X0) != $true)) )),
% 1.71/1.35    inference(cnf_transformation,[status(thm)],[f44])).
% 1.71/1.35  thf(f44,plain,(
% 1.71/1.35    ! [X0 : frac,X1 : frac,X2 : frac,X3 : frac] : (((moref @ X3 @ X0) != $true) | ((moref @ X1 @ X2) != $true) | ((moref @ (pf @ X3 @ X1) @ (pf @ X0 @ X2)) = $true))),
% 1.71/1.35    inference(rectify,[status(thm)],[f39])).
% 1.71/1.35  thf(f39,plain,(
% 1.71/1.35    ! [X1 : frac,X3 : frac,X2 : frac,X0 : frac] : (((moref @ X0 @ X1) != $true) | ((moref @ X3 @ X2) != $true) | ((moref @ (pf @ X0 @ X3) @ (pf @ X1 @ X2)) = $true))),
% 1.71/1.35    inference(flattening,[status(thm)],[f38])).
% 1.71/1.35  thf(f38,plain,(
% 1.71/1.35    ! [X2 : frac,X0 : frac,X3 : frac,X1 : frac] : ((((moref @ (pf @ X0 @ X3) @ (pf @ X1 @ X2)) = $true) | ((moref @ X3 @ X2) != $true)) | ((moref @ X0 @ X1) != $true))),
% 1.71/1.35    inference(ennf_transformation,[status(thm)],[f13])).
% 1.71/1.35  thf(f13,plain,(
% 1.71/1.35    ! [X2 : frac,X0 : frac,X3 : frac,X1 : frac] : (((moref @ X0 @ X1) = $true) => (((moref @ X3 @ X2) = $true) => ((moref @ (pf @ X0 @ X3) @ (pf @ X1 @ X2)) = $true)))),
% 1.71/1.35    inference(fool_elimination,[status(thm)],[f12])).
% 1.71/1.35  thf(f12,plain,(
% 1.71/1.35    ! [X0 : frac,X1 : frac,X2 : frac,X3 : frac] : ((moref @ X0 @ X1) => ((moref @ X3 @ X2) => (moref @ (pf @ X0 @ X3) @ (pf @ X1 @ X2))))),
% 1.71/1.36    inference(rectify,[status(thm)],[f8])).
% 1.71/1.36  thf(f8,axiom,(
% 1.71/1.36    ! [X1 : frac,X2 : frac,X4 : frac,X3 : frac] : ((moref @ X1 @ X2) => ((moref @ X3 @ X4) => (moref @ (pf @ X1 @ X3) @ (pf @ X2 @ X4))))),
% 1.71/1.36    file('/export/starexec/sandbox/tmp/tmp.kdjnnQlqPn/DTF2THF_22314.p',satz64)).
% 1.71/1.36  thf(f47,plain,(
% 1.71/1.36    ((moref @ (pf @ x @ z) @ (pf @ y @ u)) != $true)),
% 1.71/1.36    inference(cnf_transformation,[status(thm)],[f30])).
% 1.71/1.36  thf(f30,plain,(
% 1.71/1.36    ((moref @ (pf @ x @ z) @ (pf @ y @ u)) != $true)),
% 1.71/1.36    inference(flattening,[status(thm)],[f15])).
% 1.71/1.36  thf(f15,plain,(
% 1.71/1.36    ~((moref @ (pf @ x @ z) @ (pf @ y @ u)) = $true)),
% 1.71/1.36    inference(fool_elimination,[status(thm)],[f14])).
% 1.71/1.36  thf(f14,plain,(
% 1.71/1.36    ~(moref @ (pf @ x @ z) @ (pf @ y @ u))),
% 1.71/1.36    inference(rectify,[status(thm)],[f10])).
% 1.71/1.36  thf(f10,negated_conjecture,(
% 1.71/1.36    ~(moref @ (pf @ x @ z) @ (pf @ y @ u))),
% 1.71/1.36    inference(negated_conjecture,[status(cth)],[f9])).
% 1.71/1.36  thf(f9,conjecture,(
% 1.71/1.36    (moref @ (pf @ x @ z) @ (pf @ y @ u))),
% 1.71/1.36    file('/export/starexec/sandbox/tmp/tmp.kdjnnQlqPn/DTF2THF_22314.p',satz65b)).
% 1.71/1.36  thf(f122,plain,(
% 1.71/1.36    ((moref @ z @ u) = $true) | spl0_4),
% 1.71/1.36    inference(trivial_inequality_removal,[status(thm)],[f121])).
% 1.71/1.36  thf(f121,plain,(
% 1.71/1.36    ($true != $true) | ((moref @ z @ u) = $true) | spl0_4),
% 1.71/1.36    inference(superposition,[status(thm)],[f112,f48])).
% 1.71/1.36  thf(f48,plain,(
% 1.71/1.36    ((eq @ z @ u) = $true) | ((moref @ z @ u) = $true)),
% 1.71/1.36    inference(cnf_transformation,[status(thm)],[f41])).
% 1.71/1.36  thf(f41,plain,(
% 1.71/1.36    ((moref @ z @ u) = $true) | ((eq @ z @ u) = $true)),
% 1.71/1.36    inference(ennf_transformation,[status(thm)],[f32])).
% 1.71/1.36  thf(f32,plain,(
% 1.71/1.36    ((moref @ z @ u) != $true) => ((eq @ z @ u) = $true)),
% 1.71/1.36    inference(flattening,[status(thm)],[f21])).
% 1.71/1.36  thf(f21,plain,(
% 1.71/1.36    ~((moref @ z @ u) = $true) => ((eq @ z @ u) = $true)),
% 1.71/1.36    inference(fool_elimination,[status(thm)],[f20])).
% 1.71/1.36  thf(f20,plain,(
% 1.71/1.36    ~(moref @ z @ u) => (eq @ z @ u)),
% 1.71/1.36    inference(rectify,[status(thm)],[f2])).
% 1.71/1.36  thf(f2,axiom,(
% 1.71/1.36    ~(moref @ z @ u) => (eq @ z @ u)),
% 1.71/1.36    file('/export/starexec/sandbox/tmp/tmp.kdjnnQlqPn/DTF2THF_22314.p',n)).
% 1.71/1.36  thf(f112,plain,(
% 1.71/1.36    ((eq @ z @ u) != $true) | spl0_4),
% 1.71/1.36    inference(avatar_component_clause,[status(thm)],[f110])).
% 1.71/1.36  thf(f110,definition,(
% 1.71/1.36    spl0_4 <=> ((eq @ z @ u) = $true)),
% 1.71/1.36    introduced(definition,[new_symbols(naming,[spl0_4])],[avatar_definition])).
% 1.71/1.36  thf(f113,plain,(
% 1.71/1.36    spl0_3 | ~spl0_4),
% 1.71/1.36    inference(avatar_split_clause,[status(thm)],[f105,f110,f107])).
% 1.71/1.36  thf(f105,plain,(
% 1.71/1.36    ( ! [X0 : frac] : (($true != (moref @ x @ X0)) | ((eq @ z @ u) != $true) | ((eq @ X0 @ y) != $true)) )),
% 1.71/1.36    inference(trivial_inequality_removal,[status(thm)],[f103])).
% 1.71/1.36  thf(f103,plain,(
% 1.71/1.36    ( ! [X0 : frac] : (((eq @ X0 @ y) != $true) | ((eq @ z @ u) != $true) | ($true != $true) | ($true != (moref @ x @ X0))) )),
% 1.71/1.36    inference(superposition,[status(thm)],[f85,f49])).
% 1.71/1.36  thf(f85,plain,(
% 1.71/1.36    ( ! [X2 : frac,X0 : frac,X1 : frac] : (((eq @ (pf @ X0 @ X1) @ (pf @ x @ z)) != $true) | ((eq @ X1 @ u) != $true) | ((moref @ X0 @ X2) != $true) | ((eq @ X2 @ y) != $true)) )),
% 1.71/1.36    inference(trivial_inequality_removal,[status(thm)],[f81])).
% 1.71/1.36  thf(f81,plain,(
% 1.71/1.36    ( ! [X2 : frac,X0 : frac,X1 : frac] : (((eq @ (pf @ X0 @ X1) @ (pf @ x @ z)) != $true) | ($true != $true) | ((eq @ X1 @ u) != $true) | ((moref @ X0 @ X2) != $true) | ((eq @ X2 @ y) != $true)) )),
% 1.71/1.36    inference(superposition,[status(thm)],[f70,f50])).
% 1.71/1.36  thf(f50,plain,(
% 1.71/1.36    ( ! [X2 : frac,X0 : frac,X1 : frac] : (((moref @ (pf @ X1 @ X0) @ (pf @ X2 @ X0)) = $true) | ((moref @ X1 @ X2) != $true)) )),
% 1.71/1.36    inference(cnf_transformation,[status(thm)],[f43])).
% 1.71/1.36  thf(f43,plain,(
% 1.71/1.36    ! [X0 : frac,X1 : frac,X2 : frac] : (((moref @ X1 @ X2) != $true) | ((moref @ (pf @ X1 @ X0) @ (pf @ X2 @ X0)) = $true))),
% 1.71/1.36    inference(rectify,[status(thm)],[f33])).
% 1.71/1.36  thf(f33,plain,(
% 1.71/1.36    ! [X1 : frac,X2 : frac,X0 : frac] : (($true != (moref @ X2 @ X0)) | ($true = (moref @ (pf @ X2 @ X1) @ (pf @ X0 @ X1))))),
% 1.71/1.36    inference(ennf_transformation,[status(thm)],[f27])).
% 1.71/1.36  thf(f27,plain,(
% 1.71/1.36    ! [X0 : frac,X2 : frac,X1 : frac] : (($true = (moref @ X2 @ X0)) => ($true = (moref @ (pf @ X2 @ X1) @ (pf @ X0 @ X1))))),
% 1.71/1.36    inference(fool_elimination,[status(thm)],[f26])).
% 1.71/1.36  thf(f26,plain,(
% 1.71/1.36    ! [X0 : frac,X1 : frac,X2 : frac] : ((moref @ X2 @ X0) => (moref @ (pf @ X2 @ X1) @ (pf @ X0 @ X1)))),
% 1.71/1.36    inference(rectify,[status(thm)],[f5])).
% 1.71/1.36  thf(f5,axiom,(
% 1.71/1.36    ! [X2 : frac,X3 : frac,X1 : frac] : ((moref @ X1 @ X2) => (moref @ (pf @ X1 @ X3) @ (pf @ X2 @ X3)))),
% 1.71/1.36    file('/export/starexec/sandbox/tmp/tmp.kdjnnQlqPn/DTF2THF_22314.p',satz61)).
% 1.71/1.36  thf(f70,plain,(
% 1.71/1.36    ( ! [X2 : frac,X0 : frac,X1 : frac] : (($true != (moref @ X2 @ (pf @ X0 @ X1))) | ((eq @ X2 @ (pf @ x @ z)) != $true) | ((eq @ X1 @ u) != $true) | ((eq @ X0 @ y) != $true)) )),
% 1.71/1.36    inference(trivial_inequality_removal,[status(thm)],[f68])).
% 1.71/1.36  thf(f68,plain,(
% 1.71/1.36    ( ! [X2 : frac,X0 : frac,X1 : frac] : (((eq @ X2 @ (pf @ x @ z)) != $true) | ((eq @ X1 @ u) != $true) | ($true != (moref @ X2 @ (pf @ X0 @ X1))) | ($true != $true) | ((eq @ X0 @ y) != $true)) )),
% 1.71/1.36    inference(superposition,[status(thm)],[f59,f46])).
% 1.71/1.36  thf(f46,plain,(
% 1.71/1.36    ( ! [X2 : frac,X3 : frac,X0 : frac,X1 : frac] : (((eq @ (pf @ X3 @ X2) @ (pf @ X1 @ X0)) = $true) | ($true != (eq @ X2 @ X0)) | ((eq @ X3 @ X1) != $true)) )),
% 1.71/1.36    inference(cnf_transformation,[status(thm)],[f42])).
% 1.71/1.36  thf(f42,plain,(
% 1.71/1.36    ! [X0 : frac,X1 : frac,X2 : frac,X3 : frac] : (($true != (eq @ X2 @ X0)) | ((eq @ (pf @ X3 @ X2) @ (pf @ X1 @ X0)) = $true) | ((eq @ X3 @ X1) != $true))),
% 1.71/1.36    inference(rectify,[status(thm)],[f35])).
% 1.71/1.36  thf(f35,plain,(
% 1.71/1.36    ! [X1 : frac,X2 : frac,X3 : frac,X0 : frac] : (((eq @ X3 @ X1) != $true) | ((eq @ (pf @ X0 @ X3) @ (pf @ X2 @ X1)) = $true) | ($true != (eq @ X0 @ X2)))),
% 1.71/1.36    inference(flattening,[status(thm)],[f34])).
% 1.71/1.36  thf(f34,plain,(
% 1.71/1.36    ! [X3 : frac,X1 : frac,X2 : frac,X0 : frac] : ((((eq @ (pf @ X0 @ X3) @ (pf @ X2 @ X1)) = $true) | ((eq @ X3 @ X1) != $true)) | ($true != (eq @ X0 @ X2)))),
% 1.71/1.36    inference(ennf_transformation,[status(thm)],[f23])).
% 1.71/1.36  thf(f23,plain,(
% 1.71/1.36    ! [X3 : frac,X1 : frac,X2 : frac,X0 : frac] : (($true = (eq @ X0 @ X2)) => (((eq @ X3 @ X1) = $true) => ((eq @ (pf @ X0 @ X3) @ (pf @ X2 @ X1)) = $true)))),
% 1.71/1.36    inference(fool_elimination,[status(thm)],[f22])).
% 1.71/1.36  thf(f22,plain,(
% 1.71/1.36    ! [X0 : frac,X1 : frac,X2 : frac,X3 : frac] : ((eq @ X0 @ X2) => ((eq @ X3 @ X1) => (eq @ (pf @ X0 @ X3) @ (pf @ X2 @ X1))))),
% 1.71/1.36    inference(rectify,[status(thm)],[f7])).
% 1.71/1.36  thf(f7,axiom,(
% 1.71/1.36    ! [X1 : frac,X4 : frac,X2 : frac,X3 : frac] : ((eq @ X1 @ X2) => ((eq @ X3 @ X4) => (eq @ (pf @ X1 @ X3) @ (pf @ X2 @ X4))))),
% 1.71/1.36    file('/export/starexec/sandbox/tmp/tmp.kdjnnQlqPn/DTF2THF_22314.p',satz56)).
% 1.71/1.36  thf(f59,plain,(
% 1.71/1.36    ( ! [X0 : frac,X1 : frac] : (((eq @ X1 @ (pf @ y @ u)) != $true) | ((moref @ X0 @ X1) != $true) | ((eq @ X0 @ (pf @ x @ z)) != $true)) )),
% 1.71/1.36    inference(trivial_inequality_removal,[status(thm)],[f57])).
% 1.71/1.36  thf(f57,plain,(
% 1.71/1.36    ( ! [X0 : frac,X1 : frac] : (((eq @ X0 @ (pf @ x @ z)) != $true) | ((eq @ X1 @ (pf @ y @ u)) != $true) | ((moref @ X0 @ X1) != $true) | ($true != $true)) )),
% 1.71/1.36    inference(superposition,[status(thm)],[f47,f52])).
% 1.71/1.36  thf(f52,plain,(
% 1.71/1.36    ( ! [X2 : frac,X3 : frac,X0 : frac,X1 : frac] : (((moref @ X2 @ X3) = $true) | ((moref @ X1 @ X0) != $true) | ((eq @ X1 @ X2) != $true) | ((eq @ X0 @ X3) != $true)) )),
% 1.71/1.36    inference(cnf_transformation,[status(thm)],[f45])).
% 1.71/1.36  thf(f45,plain,(
% 1.71/1.36    ! [X0 : frac,X1 : frac,X2 : frac,X3 : frac] : (((eq @ X0 @ X3) != $true) | ((eq @ X1 @ X2) != $true) | ((moref @ X2 @ X3) = $true) | ((moref @ X1 @ X0) != $true))),
% 1.71/1.36    inference(rectify,[status(thm)],[f37])).
% 1.71/1.36  thf(f37,plain,(
% 1.71/1.36    ! [X1 : frac,X3 : frac,X2 : frac,X0 : frac] : (((eq @ X1 @ X0) != $true) | ((eq @ X3 @ X2) != $true) | ($true = (moref @ X2 @ X0)) | ((moref @ X3 @ X1) != $true))),
% 1.71/1.36    inference(flattening,[status(thm)],[f36])).
% 1.71/1.36  thf(f36,plain,(
% 1.71/1.36    ! [X2 : frac,X3 : frac,X0 : frac,X1 : frac] : (((($true = (moref @ X2 @ X0)) | ((eq @ X1 @ X0) != $true)) | ((eq @ X3 @ X2) != $true)) | ((moref @ X3 @ X1) != $true))),
% 1.71/1.36    inference(ennf_transformation,[status(thm)],[f19])).
% 1.71/1.36  thf(f19,plain,(
% 1.71/1.36    ! [X2 : frac,X3 : frac,X0 : frac,X1 : frac] : (((moref @ X3 @ X1) = $true) => (((eq @ X3 @ X2) = $true) => (((eq @ X1 @ X0) = $true) => ($true = (moref @ X2 @ X0)))))),
% 1.71/1.36    inference(fool_elimination,[status(thm)],[f18])).
% 1.71/1.36  thf(f18,plain,(
% 1.71/1.36    ! [X0 : frac,X1 : frac,X2 : frac,X3 : frac] : ((moref @ X3 @ X1) => ((eq @ X3 @ X2) => ((eq @ X1 @ X0) => (moref @ X2 @ X0))))),
% 1.71/1.36    inference(rectify,[status(thm)],[f4])).
% 1.71/1.36  thf(f4,axiom,(
% 1.71/1.36    ! [X4 : frac,X2 : frac,X3 : frac,X1 : frac] : ((moref @ X1 @ X2) => ((eq @ X1 @ X3) => ((eq @ X2 @ X4) => (moref @ X3 @ X4))))),
% 1.71/1.36    file('/export/starexec/sandbox/tmp/tmp.kdjnnQlqPn/DTF2THF_22314.p',satz44)).
% 1.71/1.36  % SZS output end Proof for DTF2THF_22314
% 1.71/1.36  % (22509)------------------------------
% 1.71/1.36  % (22509)Version: Vampire 4.8 (commit 7b44b1c2f on 2025-07-15 09:50:17 +0100)
% 1.71/1.36  % (22509)Termination reason: Refutation
% 1.71/1.36  
% 1.71/1.36  % (22509)Memory used [KB]: 5628
% 1.71/1.36  % (22509)Time elapsed: 0.015 s
% 1.71/1.36  % (22509)Instructions burned: 19 (million)
% 1.71/1.36  % (22509)------------------------------
% 1.71/1.36  % (22509)------------------------------
% 1.71/1.36  % (22503)Success in time 0.028 s
%------------------------------------------------------------------------------