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DT2H2X---1.9.5.THM-Ref.s

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%------------------------------------------------------------------------------
% File     : DT2H2X---1.9.5
% Problem  : SYO173^5 : TPTP v9.2.1. Released v4.0.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : /export/starexec/sandbox2/solver/bin/run_DT2H2X /export/starexec/sandbox2/benchmark/theBenchmark.p 300

% Computer : n006.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 09:53:34 AM UTC 2026

% Result   : Theorem 1.66s 1.53s
% Output   : Refutation 1.66s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   37
%            Number of leaves      :    3
% Syntax   : Number of formulae    :   64 (  14 unt;   0 typ;   1 def)
%            Number of atoms       :  497 ( 140 equ;   0 cnn)
%            Maximal formula atoms :    7 (   7 avg)
%            Number of connectives :  824 ( 113   ~;  77   |;  28   &; 604   @)
%                                         (   1 <=>;   1  =>;   0  <=;   0 <~>)
%            Maximal formula depth :   16 (   5 avg)
%            Number of types       :    2 (   0 usr)
%            Number of type conns  :    0 (   0   >;   0   *;   0   +;   0  <<)
%            Number of symbols     :    8 (   5 usr;   4 con; 0-2 aty)
%            Number of variables   :  153 (   0   ^; 146   !;   7   ?; 153   :)

% Comments : 
%------------------------------------------------------------------------------
thf(func_def_0,type,
    nt: $i > $i ).

thf(func_def_1,type,
    imp: $i > $i > $i ).

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

thf(f2501,plain,
    $false,
    inference(avatar_sat_refutation,[status(thm)],[f2261,f2473]) ).

thf(f2473,plain,
    ~ spl1_3,
    inference(avatar_contradiction_clause,[status(thm)],[f2472]) ).

thf(f2472,plain,
    ( $false
    | ~ spl1_3 ),
    inference(trivial_inequality_removal,[status(thm)],[f2423]) ).

thf(f2423,plain,
    ( ( $false = $true )
    | ~ spl1_3 ),
    inference(backward_demodulation,[status(thm)],[f14,f2328]) ).

thf(f2328,plain,
    ( ! [X0: $i] :
        ( ( cT @ X0 )
        = $false )
    | ~ spl1_3 ),
    inference(trivial_inequality_removal,[status(thm)],[f2265]) ).

thf(f2265,plain,
    ( ! [X0: $i] :
        ( ( $true != $true )
        | ( ( cT @ X0 )
          = $false ) )
    | ~ spl1_3 ),
    inference(fool_paramodulation,[status(thm)],[f168]) ).

thf(f168,plain,
    ( ! [X0: $i] :
        ( ( cT @ X0 )
       != $true )
    | ~ spl1_3 ),
    inference(avatar_component_clause,[status(thm)],[f167]) ).

thf(f167,definition,
    ( spl1_3
  <=> ! [X0: $i] :
        ( ( cT @ X0 )
       != $true ) ),
    introduced(definition,[new_symbols(naming,[spl1_3])],[avatar_definition]) ).

thf(f14,plain,
    ! [X2: $i,X0: $i,X1: $i] :
      ( $true
      = ( cT @ ( imp @ ( imp @ X1 @ ( imp @ X0 @ X2 ) ) @ ( imp @ ( imp @ X1 @ X0 ) @ ( imp @ X1 @ X2 ) ) ) ) ),
    inference(cnf_transformation,[status(thm)],[f9]) ).

thf(f9,plain,
    ( ! [X0: $i,X1: $i,X2: $i] :
        ( $true
        = ( cT @ ( imp @ ( imp @ X1 @ ( imp @ X0 @ X2 ) ) @ ( imp @ ( imp @ X1 @ X0 ) @ ( imp @ X1 @ X2 ) ) ) ) )
    & ! [X3: $i,X4: $i] :
        ( $true
        = ( cT @ ( imp @ ( imp @ ( nt @ X3 ) @ ( nt @ X4 ) ) @ ( imp @ X4 @ X3 ) ) ) )
    & ! [X5: $i,X6: $i] :
        ( ( $true
         != ( cT @ X6 ) )
        | ( $true
         != ( cT @ ( imp @ X6 @ X5 ) ) )
        | ( $true
          = ( cT @ X5 ) ) )
    & ! [X7: $i,X8: $i] :
        ( $true
        = ( cT @ ( imp @ X7 @ ( imp @ X8 @ X7 ) ) ) )
    & ( $true
     != ( cT @ ( imp @ ( nt @ ( nt @ sK0 ) ) @ sK0 ) ) ) ),
    inference(skolemisation,[status(esa),new_symbols(skolem,[sK0])],[f7,f8]) ).

thf(f8,plain,
    ( ? [X9: $i] :
        ( ( cT @ ( imp @ ( nt @ ( nt @ X9 ) ) @ X9 ) )
       != $true )
   => ( $true
     != ( cT @ ( imp @ ( nt @ ( nt @ sK0 ) ) @ sK0 ) ) ) ),
    introduced(definition,[],[choice_axiom]) ).

thf(f7,plain,
    ( ! [X0: $i,X1: $i,X2: $i] :
        ( $true
        = ( cT @ ( imp @ ( imp @ X1 @ ( imp @ X0 @ X2 ) ) @ ( imp @ ( imp @ X1 @ X0 ) @ ( imp @ X1 @ X2 ) ) ) ) )
    & ! [X3: $i,X4: $i] :
        ( $true
        = ( cT @ ( imp @ ( imp @ ( nt @ X3 ) @ ( nt @ X4 ) ) @ ( imp @ X4 @ X3 ) ) ) )
    & ! [X5: $i,X6: $i] :
        ( ( $true
         != ( cT @ X6 ) )
        | ( $true
         != ( cT @ ( imp @ X6 @ X5 ) ) )
        | ( $true
          = ( cT @ X5 ) ) )
    & ! [X7: $i,X8: $i] :
        ( $true
        = ( cT @ ( imp @ X7 @ ( imp @ X8 @ X7 ) ) ) )
    & ? [X9: $i] :
        ( ( cT @ ( imp @ ( nt @ ( nt @ X9 ) ) @ X9 ) )
       != $true ) ),
    inference(rectify,[status(thm)],[f6]) ).

thf(f6,plain,
    ( ! [X9: $i,X8: $i,X7: $i] :
        ( $true
        = ( cT @ ( imp @ ( imp @ X8 @ ( imp @ X9 @ X7 ) ) @ ( imp @ ( imp @ X8 @ X9 ) @ ( imp @ X8 @ X7 ) ) ) ) )
    & ! [X2: $i,X3: $i] :
        ( $true
        = ( cT @ ( imp @ ( imp @ ( nt @ X2 ) @ ( nt @ X3 ) ) @ ( imp @ X3 @ X2 ) ) ) )
    & ! [X4: $i,X5: $i] :
        ( ( $true
         != ( cT @ X5 ) )
        | ( ( cT @ ( imp @ X5 @ X4 ) )
         != $true )
        | ( $true
          = ( cT @ X4 ) ) )
    & ! [X1: $i,X0: $i] :
        ( $true
        = ( cT @ ( imp @ X1 @ ( imp @ X0 @ X1 ) ) ) )
    & ? [X6: $i] :
        ( ( cT @ ( imp @ ( nt @ ( nt @ X6 ) ) @ X6 ) )
       != $true ) ),
    inference(flattening,[status(thm)],[f5]) ).

thf(f5,plain,
    ~ ~ ( ! [X1: $i,X0: $i] :
            ( $true
            = ( cT @ ( imp @ X1 @ ( imp @ X0 @ X1 ) ) ) )
        & ! [X2: $i,X3: $i] :
            ( $true
            = ( cT @ ( imp @ ( imp @ ( nt @ X2 ) @ ( nt @ X3 ) ) @ ( imp @ X3 @ X2 ) ) ) )
        & ! [X4: $i,X5: $i] :
            ( ( $true
             != ( cT @ X5 ) )
            | ( $true
              = ( cT @ X4 ) )
            | ( ( cT @ ( imp @ X5 @ X4 ) )
             != $true ) )
        & ? [X6: $i] :
            ( ( cT @ ( imp @ ( nt @ ( nt @ X6 ) ) @ X6 ) )
           != $true )
        & ! [X9: $i,X8: $i,X7: $i] :
            ( $true
            = ( cT @ ( imp @ ( imp @ X8 @ ( imp @ X9 @ X7 ) ) @ ( imp @ ( imp @ X8 @ X9 ) @ ( imp @ X8 @ X7 ) ) ) ) ) ),
    inference(fool_elimination,[status(thm)],[f4]) ).

thf(f4,plain,
    ~ ~ ( ! [X0: $i,X1: $i] : ( cT @ ( imp @ X1 @ ( imp @ X0 @ X1 ) ) )
        & ! [X2: $i,X3: $i] : ( cT @ ( imp @ ( imp @ ( nt @ X2 ) @ ( nt @ X3 ) ) @ ( imp @ X3 @ X2 ) ) )
        & ! [X4: $i,X5: $i] :
            ( ~ ( cT @ X5 )
            | ( cT @ X4 )
            | ~ ( cT @ ( imp @ X5 @ X4 ) ) )
        & ? [X6: $i] :
            ~ ( cT @ ( imp @ ( nt @ ( nt @ X6 ) ) @ X6 ) )
        & ! [X7: $i,X8: $i,X9: $i] : ( cT @ ( imp @ ( imp @ X8 @ ( imp @ X9 @ X7 ) ) @ ( imp @ ( imp @ X8 @ X9 ) @ ( imp @ X8 @ X7 ) ) ) ) ),
    inference(rectify,[status(thm)],[f2]) ).

thf(f2,negated_conjecture,
    ~ ~ ( ! [X1: $i,X0: $i] : ( cT @ ( imp @ X0 @ ( imp @ X1 @ X0 ) ) )
        & ! [X0: $i,X1: $i] : ( cT @ ( imp @ ( imp @ ( nt @ X0 ) @ ( nt @ X1 ) ) @ ( imp @ X1 @ X0 ) ) )
        & ! [X1: $i,X0: $i] :
            ( ~ ( cT @ X0 )
            | ( cT @ X1 )
            | ~ ( cT @ ( imp @ X0 @ X1 ) ) )
        & ? [X3: $i] :
            ~ ( cT @ ( imp @ ( nt @ ( nt @ X3 ) ) @ X3 ) )
        & ! [X2: $i,X0: $i,X1: $i] : ( cT @ ( imp @ ( imp @ X0 @ ( imp @ X1 @ X2 ) ) @ ( imp @ ( imp @ X0 @ X1 ) @ ( imp @ X0 @ X2 ) ) ) ) ),
    inference(negated_conjecture,[status(cth)],[f1]) ).

thf(f1,conjecture,
    ~ ( ! [X1: $i,X0: $i] : ( cT @ ( imp @ X0 @ ( imp @ X1 @ X0 ) ) )
      & ! [X0: $i,X1: $i] : ( cT @ ( imp @ ( imp @ ( nt @ X0 ) @ ( nt @ X1 ) ) @ ( imp @ X1 @ X0 ) ) )
      & ! [X1: $i,X0: $i] :
          ( ~ ( cT @ X0 )
          | ( cT @ X1 )
          | ~ ( cT @ ( imp @ X0 @ X1 ) ) )
      & ? [X3: $i] :
          ~ ( cT @ ( imp @ ( nt @ ( nt @ X3 ) ) @ X3 ) )
      & ! [X2: $i,X0: $i,X1: $i] : ( cT @ ( imp @ ( imp @ X0 @ ( imp @ X1 @ X2 ) ) @ ( imp @ ( imp @ X0 @ X1 ) @ ( imp @ X0 @ X2 ) ) ) ) ),
    file('/export/starexec/sandbox2/tmp/tmp.tL6P2LiOfW/DTF2THF_15574.p',cLCL077_1) ).

thf(f2261,plain,
    spl1_3,
    inference(avatar_split_clause,[status(thm)],[f2254,f167]) ).

thf(f2254,plain,
    ! [X0: $i] :
      ( ( cT @ X0 )
     != $true ),
    inference(trivial_inequality_removal,[status(thm)],[f2237]) ).

thf(f2237,plain,
    ! [X0: $i] :
      ( ( ( cT @ X0 )
       != $true )
      | ( $true != $true ) ),
    inference(superposition,[status(thm)],[f2229,f24]) ).

thf(f24,plain,
    ! [X0: $i,X1: $i] :
      ( ( $true
        = ( cT @ ( imp @ X1 @ X0 ) ) )
      | ( ( cT @ X0 )
       != $true ) ),
    inference(trivial_inequality_removal,[status(thm)],[f23]) ).

thf(f23,plain,
    ! [X0: $i,X1: $i] :
      ( ( $true != $true )
      | ( ( cT @ X0 )
       != $true )
      | ( $true
        = ( cT @ ( imp @ X1 @ X0 ) ) ) ),
    inference(superposition,[status(thm)],[f12,f11]) ).

thf(f11,plain,
    ! [X8: $i,X7: $i] :
      ( $true
      = ( cT @ ( imp @ X7 @ ( imp @ X8 @ X7 ) ) ) ),
    inference(cnf_transformation,[status(thm)],[f9]) ).

thf(f12,plain,
    ! [X6: $i,X5: $i] :
      ( ( $true
       != ( cT @ ( imp @ X6 @ X5 ) ) )
      | ( $true
       != ( cT @ X6 ) )
      | ( $true
        = ( cT @ X5 ) ) ),
    inference(cnf_transformation,[status(thm)],[f9]) ).

thf(f2229,plain,
    ! [X0: $i] :
      ( $true
     != ( cT @ ( imp @ ( imp @ X0 @ sK0 ) @ X0 ) ) ),
    inference(trivial_inequality_removal,[status(thm)],[f2228]) ).

thf(f2228,plain,
    ! [X0: $i] :
      ( ( $true != $true )
      | ( $true
       != ( cT @ ( imp @ ( imp @ X0 @ sK0 ) @ X0 ) ) ) ),
    inference(forward_demodulation,[status(thm)],[f2222,f284]) ).

thf(f284,plain,
    ! [X0: $i] :
      ( $true
      = ( cT @ ( imp @ X0 @ X0 ) ) ),
    inference(trivial_inequality_removal,[status(thm)],[f274]) ).

thf(f274,plain,
    ! [X0: $i] :
      ( ( $true
        = ( cT @ ( imp @ X0 @ X0 ) ) )
      | ( $true != $true ) ),
    inference(superposition,[status(thm)],[f270,f11]) ).

thf(f270,plain,
    ! [X0: $i,X1: $i] :
      ( ( $true
       != ( cT @ ( imp @ ( nt @ X0 ) @ X1 ) ) )
      | ( $true
        = ( cT @ ( imp @ X0 @ X0 ) ) ) ),
    inference(trivial_inequality_removal,[status(thm)],[f263]) ).

thf(f263,plain,
    ! [X0: $i,X1: $i] :
      ( ( $true != $true )
      | ( $true
        = ( cT @ ( imp @ X0 @ X0 ) ) )
      | ( $true
       != ( cT @ ( imp @ ( nt @ X0 ) @ X1 ) ) ) ),
    inference(superposition,[status(thm)],[f53,f252]) ).

thf(f252,plain,
    ! [X0: $i,X1: $i] :
      ( ( $true
        = ( cT @ ( imp @ X0 @ X0 ) ) )
      | ( ( cT @ ( imp @ X0 @ X1 ) )
       != $true ) ),
    inference(trivial_inequality_removal,[status(thm)],[f246]) ).

thf(f246,plain,
    ! [X0: $i,X1: $i] :
      ( ( ( cT @ ( imp @ X0 @ X1 ) )
       != $true )
      | ( $true != $true )
      | ( $true
        = ( cT @ ( imp @ X0 @ X0 ) ) ) ),
    inference(superposition,[status(thm)],[f241,f11]) ).

thf(f241,plain,
    ! [X2: $i,X0: $i,X1: $i] :
      ( ( ( cT @ ( imp @ X0 @ ( imp @ X1 @ X2 ) ) )
       != $true )
      | ( ( cT @ ( imp @ X0 @ X1 ) )
       != $true )
      | ( $true
        = ( cT @ ( imp @ X0 @ X2 ) ) ) ),
    inference(trivial_inequality_removal,[status(thm)],[f238]) ).

thf(f238,plain,
    ! [X2: $i,X0: $i,X1: $i] :
      ( ( $true != $true )
      | ( $true
        = ( cT @ ( imp @ X0 @ X2 ) ) )
      | ( ( cT @ ( imp @ X0 @ ( imp @ X1 @ X2 ) ) )
       != $true )
      | ( ( cT @ ( imp @ X0 @ X1 ) )
       != $true ) ),
    inference(superposition,[status(thm)],[f12,f234]) ).

thf(f234,plain,
    ! [X2: $i,X0: $i,X1: $i] :
      ( ( $true
        = ( cT @ ( imp @ ( imp @ X0 @ X1 ) @ ( imp @ X0 @ X2 ) ) ) )
      | ( ( cT @ ( imp @ X0 @ ( imp @ X1 @ X2 ) ) )
       != $true ) ),
    inference(trivial_inequality_removal,[status(thm)],[f230]) ).

thf(f230,plain,
    ! [X2: $i,X0: $i,X1: $i] :
      ( ( $false = $true )
      | ( $true
        = ( cT @ ( imp @ ( imp @ X0 @ X1 ) @ ( imp @ X0 @ X2 ) ) ) )
      | ( ( cT @ ( imp @ X0 @ ( imp @ X1 @ X2 ) ) )
       != $true ) ),
    inference(superposition,[status(thm)],[f25,f14]) ).

thf(f25,plain,
    ! [X6: $i,X5: $i] :
      ( ( $false
        = ( cT @ ( imp @ X6 @ X5 ) ) )
      | ( $true
       != ( cT @ X6 ) )
      | ( $true
        = ( cT @ X5 ) ) ),
    inference(trivial_inequality_removal,[status(thm)],[f21]) ).

thf(f21,plain,
    ! [X6: $i,X5: $i] :
      ( ( $true != $true )
      | ( $true
       != ( cT @ X6 ) )
      | ( $true
        = ( cT @ X5 ) )
      | ( $false
        = ( cT @ ( imp @ X6 @ X5 ) ) ) ),
    inference(fool_paramodulation,[status(thm)],[f12]) ).

thf(f53,plain,
    ! [X0: $i,X1: $i] :
      ( ( $true
       != ( cT @ ( imp @ ( nt @ X0 ) @ ( nt @ X1 ) ) ) )
      | ( $true
        = ( cT @ ( imp @ X1 @ X0 ) ) ) ),
    inference(trivial_inequality_removal,[status(thm)],[f50]) ).

thf(f50,plain,
    ! [X0: $i,X1: $i] :
      ( ( $true
        = ( cT @ ( imp @ X1 @ X0 ) ) )
      | ( $true != $true )
      | ( $true
       != ( cT @ ( imp @ ( nt @ X0 ) @ ( nt @ X1 ) ) ) ) ),
    inference(superposition,[status(thm)],[f12,f13]) ).

thf(f13,plain,
    ! [X3: $i,X4: $i] :
      ( $true
      = ( cT @ ( imp @ ( imp @ ( nt @ X3 ) @ ( nt @ X4 ) ) @ ( imp @ X4 @ X3 ) ) ) ),
    inference(cnf_transformation,[status(thm)],[f9]) ).

thf(f2222,plain,
    ! [X0: $i] :
      ( ( ( cT @ ( imp @ sK0 @ sK0 ) )
       != $true )
      | ( $true
       != ( cT @ ( imp @ ( imp @ X0 @ sK0 ) @ X0 ) ) ) ),
    inference(trivial_inequality_removal,[status(thm)],[f2156]) ).

thf(f2156,plain,
    ! [X0: $i] :
      ( ( $true
       != ( cT @ ( imp @ ( imp @ X0 @ sK0 ) @ X0 ) ) )
      | ( ( cT @ ( imp @ sK0 @ sK0 ) )
       != $true )
      | ( $true != $true ) ),
    inference(superposition,[status(thm)],[f1531,f297]) ).

thf(f297,plain,
    ! [X0: $i,X1: $i] :
      ( ( ( cT @ ( imp @ ( imp @ X0 @ X1 ) @ X1 ) )
        = $true )
      | ( $true
       != ( cT @ ( imp @ ( imp @ X0 @ X1 ) @ X0 ) ) ) ),
    inference(trivial_inequality_removal,[status(thm)],[f292]) ).

thf(f292,plain,
    ! [X0: $i,X1: $i] :
      ( ( $true
       != ( cT @ ( imp @ ( imp @ X0 @ X1 ) @ X0 ) ) )
      | ( $true != $true )
      | ( ( cT @ ( imp @ ( imp @ X0 @ X1 ) @ X1 ) )
        = $true ) ),
    inference(superposition,[status(thm)],[f241,f284]) ).

thf(f1531,plain,
    ! [X0: $i,X1: $i] :
      ( ( ( cT @ ( imp @ ( imp @ X0 @ sK0 ) @ X1 ) )
       != $true )
      | ( $true
       != ( cT @ ( imp @ X1 @ sK0 ) ) ) ),
    inference(trivial_inequality_removal,[status(thm)],[f1525]) ).

thf(f1525,plain,
    ! [X0: $i,X1: $i] :
      ( ( ( cT @ ( imp @ ( imp @ X0 @ sK0 ) @ X1 ) )
       != $true )
      | ( $true != $true )
      | ( $true
       != ( cT @ ( imp @ X1 @ sK0 ) ) ) ),
    inference(superposition,[status(thm)],[f1506,f255]) ).

thf(f255,plain,
    ! [X2: $i,X0: $i,X1: $i] :
      ( ( $true
        = ( cT @ ( imp @ X0 @ X2 ) ) )
      | ( $true
       != ( cT @ ( imp @ X1 @ X2 ) ) )
      | ( ( cT @ ( imp @ X0 @ X1 ) )
       != $true ) ),
    inference(trivial_inequality_removal,[status(thm)],[f250]) ).

thf(f250,plain,
    ! [X2: $i,X0: $i,X1: $i] :
      ( ( $true
        = ( cT @ ( imp @ X0 @ X2 ) ) )
      | ( $true != $true )
      | ( ( cT @ ( imp @ X0 @ X1 ) )
       != $true )
      | ( $true
       != ( cT @ ( imp @ X1 @ X2 ) ) ) ),
    inference(superposition,[status(thm)],[f241,f24]) ).

thf(f1506,plain,
    ! [X0: $i] :
      ( $true
     != ( cT @ ( imp @ ( imp @ X0 @ sK0 ) @ sK0 ) ) ),
    inference(trivial_inequality_removal,[status(thm)],[f1476]) ).

thf(f1476,plain,
    ! [X0: $i] :
      ( ( $true != $true )
      | ( $true
       != ( cT @ ( imp @ ( imp @ X0 @ sK0 ) @ sK0 ) ) ) ),
    inference(superposition,[status(thm)],[f1339,f13]) ).

thf(f1339,plain,
    ! [X0: $i,X1: $i] :
      ( ( $true
       != ( cT @ ( imp @ ( imp @ ( nt @ sK0 ) @ X0 ) @ X1 ) ) )
      | ( $true
       != ( cT @ ( imp @ X1 @ sK0 ) ) ) ),
    inference(trivial_inequality_removal,[status(thm)],[f1329]) ).

thf(f1329,plain,
    ! [X0: $i,X1: $i] :
      ( ( $true
       != ( cT @ ( imp @ ( imp @ ( nt @ sK0 ) @ X0 ) @ X1 ) ) )
      | ( $true
       != ( cT @ ( imp @ X1 @ sK0 ) ) )
      | ( $true != $true ) ),
    inference(superposition,[status(thm)],[f1305,f255]) ).

thf(f1305,plain,
    ! [X0: $i] :
      ( $true
     != ( cT @ ( imp @ ( imp @ ( nt @ sK0 ) @ X0 ) @ sK0 ) ) ),
    inference(trivial_inequality_removal,[status(thm)],[f1285]) ).

thf(f1285,plain,
    ! [X0: $i] :
      ( ( $true != $true )
      | ( $true
       != ( cT @ ( imp @ ( imp @ ( nt @ sK0 ) @ X0 ) @ sK0 ) ) ) ),
    inference(superposition,[status(thm)],[f476,f13]) ).

thf(f476,plain,
    ! [X0: $i,X1: $i] :
      ( ( $true
       != ( cT @ ( imp @ ( imp @ X0 @ ( nt @ ( nt @ sK0 ) ) ) @ X1 ) ) )
      | ( $true
       != ( cT @ ( imp @ X1 @ sK0 ) ) ) ),
    inference(trivial_inequality_removal,[status(thm)],[f468]) ).

thf(f468,plain,
    ! [X0: $i,X1: $i] :
      ( ( $true
       != ( cT @ ( imp @ X1 @ sK0 ) ) )
      | ( $true
       != ( cT @ ( imp @ ( imp @ X0 @ ( nt @ ( nt @ sK0 ) ) ) @ X1 ) ) )
      | ( $true != $true ) ),
    inference(superposition,[status(thm)],[f337,f255]) ).

thf(f337,plain,
    ! [X0: $i] :
      ( ( cT @ ( imp @ ( imp @ X0 @ ( nt @ ( nt @ sK0 ) ) ) @ sK0 ) )
     != $true ),
    inference(trivial_inequality_removal,[status(thm)],[f324]) ).

thf(f324,plain,
    ! [X0: $i] :
      ( ( $true != $true )
      | ( ( cT @ ( imp @ ( imp @ X0 @ ( nt @ ( nt @ sK0 ) ) ) @ sK0 ) )
       != $true ) ),
    inference(superposition,[status(thm)],[f318,f11]) ).

thf(f318,plain,
    ! [X0: $i] :
      ( ( $true
       != ( cT @ ( imp @ ( nt @ ( nt @ sK0 ) ) @ X0 ) ) )
      | ( $true
       != ( cT @ ( imp @ X0 @ sK0 ) ) ) ),
    inference(trivial_inequality_removal,[status(thm)],[f301]) ).

thf(f301,plain,
    ! [X0: $i] :
      ( ( $true
       != ( cT @ ( imp @ X0 @ sK0 ) ) )
      | ( $true
       != ( cT @ ( imp @ ( nt @ ( nt @ sK0 ) ) @ X0 ) ) )
      | ( $false = $true ) ),
    inference(superposition,[status(thm)],[f255,f16]) ).

thf(f16,plain,
    ( $false
    = ( cT @ ( imp @ ( nt @ ( nt @ sK0 ) ) @ sK0 ) ) ),
    inference(trivial_inequality_removal,[status(thm)],[f15]) ).

thf(f15,plain,
    ( ( $false
      = ( cT @ ( imp @ ( nt @ ( nt @ sK0 ) ) @ sK0 ) ) )
    | ( $true != $true ) ),
    inference(fool_paramodulation,[status(thm)],[f10]) ).

thf(f10,plain,
    ( $true
   != ( cT @ ( imp @ ( nt @ ( nt @ sK0 ) ) @ sK0 ) ) ),
    inference(cnf_transformation,[status(thm)],[f9]) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.12  % Problem  : SYO173^5 : TPTP v9.2.1. Released v4.0.0.
% 0.12/0.13  % Command  : /export/starexec/sandbox2/solver/bin/run_DT2H2X /export/starexec/sandbox2/benchmark/theBenchmark.p 300
% 0.14/0.33  % Computer : n006.cluster.edu
% 0.14/0.33  % Model    : x86_64 x86_64
% 0.14/0.33  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.14/0.33  % Memory   : 8042.1875MB
% 0.14/0.33  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.14/0.33  % CPULimit : 300
% 0.14/0.33  % WCLimit  : 300
% 0.14/0.33  % DateTime : Tue Feb 24 14:25:15 EST 2026
% 0.14/0.34  % CPUTime  : 
% 0.14/0.34  Running /export/starexec/sandbox2/solver/bin/run_DT2H2X /export/starexec/sandbox2/benchmark/theBenchmark.p 300
% 0.20/0.45  ---- Original DTF file ---
% 0.20/0.45  thf(spec,logic,$$dhol).
% 0.20/0.45  %------------------------------------------------------------------------------
% 0.20/0.45  % File     : SYO173^5 : TPTP v9.2.1. Released v4.0.0.
% 0.20/0.45  % Domain   : Syntactic
% 0.20/0.45  % Problem  : TPS problem from BASIC-FO-THMS
% 0.20/0.45  % Version  : Especial.
% 0.20/0.45  % English  :
% 0.20/0.45  
% 0.20/0.45  % Refs     : [Bro09] Brown (2009), Email to Geoff Sutcliffe
% 0.20/0.45  % Source   : [Bro09]
% 0.20/0.45  % Names    : tps_1028 [Bro09]
% 0.20/0.45  
% 0.20/0.45  % Status   : Theorem
% 0.20/0.45  % Rating   : 0.42 v9.1.0, 0.38 v9.0.0, 0.33 v8.2.0, 0.36 v8.1.0, 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, 0.67 v6.1.0, 0.50 v6.0.0, 0.33 v5.5.0, 0.40 v5.4.0, 0.50 v5.1.0, 0.75 v5.0.0, 0.50 v4.1.0, 0.33 v4.0.0
% 0.20/0.45  % Syntax   : Number of formulae    :    4 (   0 unt;   3 typ;   0 def)
% 0.20/0.45  %            Number of atoms       :    7 (   0 equ;   0 cnn)
% 0.20/0.45  %            Maximal formula atoms :    7 (   7 avg)
% 0.20/0.45  %            Number of connectives :   47 (   4   ~;   2   |;   4   &;  37   @)
% 0.20/0.45  %                                         (   0 <=>;   0  =>;   0  <=;   0 <~>)
% 0.20/0.45  %            Maximal formula depth :   14 (  14 avg)
% 0.20/0.45  %            Number of types       :    2 (   0 usr)
% 0.20/0.45  %            Number of type conns  :    4 (   4   >;   0   *;   0   +;   0  <<)
% 0.20/0.45  %            Number of symbols     :    3 (   3 usr;   0 con; 1-2 aty)
% 0.20/0.45  %            Number of variables   :   10 (   0   ^;   9   !;   1   ?;  10   :)
% 0.20/0.45  % SPC      : TH0_THM_NEQ_NAR
% 0.20/0.45  
% 0.20/0.45  % Comments : This problem is from the TPS library. Copyright (c) 2009 The TPS
% 0.20/0.45  %            project in the Department of Mathematical Sciences at Carnegie
% 0.20/0.45  %            Mellon University. Distributed under the Creative Commons copyleft
% 0.20/0.45  %            license: http://creativecommons.org/licenses/by-sa/3.0/
% 0.20/0.45  %------------------------------------------------------------------------------
% 0.20/0.45  thf(nt,type,
% 0.20/0.45      nt: $i > $i ).
% 0.20/0.45  
% 0.20/0.45  thf(imp,type,
% 0.20/0.45      imp: $i > $i > $i ).
% 0.20/0.45  
% 0.20/0.45  thf(cT,type,
% 0.20/0.45      cT: $i > $o ).
% 0.20/0.45  
% 0.20/0.45  thf(cLCL077_1,conjecture,
% 0.20/0.45      ~ ( ! [Xp: $i,Xq: $i] :
% 0.20/0.45            ( ~ ( cT @ ( imp @ Xp @ Xq ) )
% 0.20/0.45            | ~ ( cT @ Xp )
% 0.20/0.45            | ( cT @ Xq ) )
% 0.20/0.45        & ! [Xp: $i,Xq: $i] : ( cT @ ( imp @ Xp @ ( imp @ Xq @ Xp ) ) )
% 0.20/0.45        & ! [Xp: $i,Xq: $i,Xr: $i] : ( cT @ ( imp @ ( imp @ Xp @ ( imp @ Xq @ Xr ) ) @ ( imp @ ( imp @ Xp @ Xq ) @ ( imp @ Xp @ Xr ) ) ) )
% 0.20/0.45        & ! [Xp: $i,Xq: $i] : ( cT @ ( imp @ ( imp @ ( nt @ Xp ) @ ( nt @ Xq ) ) @ ( imp @ Xq @ Xp ) ) )
% 0.20/0.45        & ? [Xa: $i] :
% 0.20/0.45            ~ ( cT @ ( imp @ ( nt @ ( nt @ Xa ) ) @ Xa ) ) ) ).
% 0.20/0.45  
% 0.20/0.45  %------------------------------------------------------------------------------
% 0.20/0.45  ------------------------
% 1.45/1.29  ---- Embedded in THF ---
% 1.45/1.29  %%% This output was generated by embedproblem, version 1.9.5 (library version 1.9).
% 1.45/1.29  %%% Generated on Tue Feb 24 14:25:16 EST 2026
% 1.45/1.29  %%% using '$$dhol' embedding, version 1.3.0.
% 1.45/1.29  %%% Logic specification used:
% 1.45/1.29  %%% thf(spec, logic, $$dhol).
% 1.45/1.29  
% 1.45/1.29  % SZS output start ListOfTHF for /export/starexec/sandbox2/tmp/tmp.tL6P2LiOfW/DTF2DTF15574.p
% See solution above
% 1.45/1.29  ------------------------
% 1.63/1.30  ---- Cleaned THF ---
% 1.63/1.30  thf(nt,type,
% 1.63/1.30      nt: $i > $i ).
% 1.63/1.30  
% 1.63/1.30  thf(imp,type,
% 1.63/1.30      imp: $i > $i > $i ).
% 1.63/1.30  
% 1.63/1.30  thf(cT,type,
% 1.63/1.30      cT: $i > $o ).
% 1.63/1.30  
% 1.63/1.30  thf(cLCL077_1,conjecture,
% 1.63/1.30      ~ ( ! [Xp: $i,Xq: $i] :
% 1.63/1.30            ( ~ ( cT @ ( imp @ Xp @ Xq ) )
% 1.63/1.30            | ~ ( cT @ Xp )
% 1.63/1.30            | ( cT @ Xq ) )
% 1.63/1.30        & ! [Xp: $i,Xq: $i] : ( cT @ ( imp @ Xp @ ( imp @ Xq @ Xp ) ) )
% 1.63/1.30        & ! [Xp: $i,Xq: $i,Xr: $i] : ( cT @ ( imp @ ( imp @ Xp @ ( imp @ Xq @ Xr ) ) @ ( imp @ ( imp @ Xp @ Xq ) @ ( imp @ Xp @ Xr ) ) ) )
% 1.63/1.30        & ! [Xp: $i,Xq: $i] : ( cT @ ( imp @ ( imp @ ( nt @ Xp ) @ ( nt @ Xq ) ) @ ( imp @ Xq @ Xp ) ) )
% 1.63/1.30        & ? [Xa: $i] :
% 1.63/1.30            ~ ( cT @ ( imp @ ( nt @ ( nt @ Xa ) ) @ Xa ) ) ) ).
% 1.63/1.30  ------------------------
% 1.63/1.31  % (15748)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_15574 for (3000ds/4Mi)
% 1.63/1.31  % (15748)Instruction limit reached!
% 1.63/1.31  % (15748)------------------------------
% 1.63/1.31  % (15748)Version: Vampire 4.8 (commit 7b44b1c2f on 2025-07-15 09:50:17 +0100)
% 1.63/1.31  % (15748)Termination reason: Unknown
% 1.63/1.31  % (15748)Termination phase: Saturation
% 1.63/1.31  
% 1.63/1.31  % (15748)Memory used [KB]: 5500
% 1.63/1.31  % (15748)Time elapsed: 0.003 s
% 1.63/1.31  % (15748)Instructions burned: 4 (million)
% 1.63/1.31  % (15748)------------------------------
% 1.63/1.31  % (15748)------------------------------
% 1.63/1.32  % (15747)lrs+1002_1:8_bd=off:fd=off:hud=10:tnu=1:i=183:si=on:rtra=on_0 on DTF2THF_15574 for (3000ds/183Mi)
% 1.63/1.32  % (15749)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_15574 for (3000ds/27Mi)
% 1.63/1.32  % (15750)lrs+10_1:1_au=on:inj=on:i=2:si=on:rtra=on_0 on DTF2THF_15574 for (3000ds/2Mi)
% 1.63/1.32  % (15754)lrs+1004_1:128_cond=on:e2e=on:sp=weighted_frequency:i=18:si=on:rtra=on_0 on DTF2THF_15574 for (3000ds/18Mi)
% 1.63/1.32  % (15753)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_15574 for (3000ds/275Mi)
% 1.63/1.32  % (15752)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_15574 for (3000ds/2Mi)
% 1.63/1.32  % (15750)Instruction limit reached!
% 1.63/1.32  % (15750)------------------------------
% 1.63/1.32  % (15750)Version: Vampire 4.8 (commit 7b44b1c2f on 2025-07-15 09:50:17 +0100)
% 1.63/1.32  % (15750)Termination reason: Unknown
% 1.63/1.32  % (15750)Termination phase: Preprocessing 3
% 1.63/1.32  
% 1.63/1.32  % (15750)Memory used [KB]: 895
% 1.63/1.32  % (15750)Time elapsed: 0.003 s
% 1.63/1.32  % (15750)Instructions burned: 2 (million)
% 1.63/1.32  % (15750)------------------------------
% 1.63/1.32  % (15750)------------------------------
% 1.63/1.32  % (15752)Instruction limit reached!
% 1.63/1.32  % (15752)------------------------------
% 1.63/1.32  % (15752)Version: Vampire 4.8 (commit 7b44b1c2f on 2025-07-15 09:50:17 +0100)
% 1.63/1.32  % (15752)Termination reason: Unknown
% 1.63/1.32  % (15752)Termination phase: Saturation
% 1.63/1.32  
% 1.63/1.32  % (15752)Memory used [KB]: 5500
% 1.63/1.32  % (15752)Time elapsed: 0.003 s
% 1.63/1.32  % (15752)Instructions burned: 3 (million)
% 1.63/1.32  % (15752)------------------------------
% 1.63/1.32  % (15752)------------------------------
% 1.63/1.32  % (15760)lrs+10_1:1_bet=on:cnfonf=off:fd=off:hud=5:inj=on:i=3:si=on:rtra=on_0 on DTF2THF_15574 for (2999ds/3Mi)
% 1.63/1.32  % (15760)Instruction limit reached!
% 1.63/1.32  % (15760)------------------------------
% 1.63/1.32  % (15760)Version: Vampire 4.8 (commit 7b44b1c2f on 2025-07-15 09:50:17 +0100)
% 1.63/1.32  % (15760)Termination reason: Unknown
% 1.63/1.32  % (15760)Termination phase: Saturation
% 1.63/1.32  
% 1.63/1.32  % (15760)Memory used [KB]: 5500
% 1.63/1.32  % (15760)Time elapsed: 0.003 s
% 1.63/1.32  % (15760)Instructions burned: 3 (million)
% 1.63/1.32  % (15760)------------------------------
% 1.63/1.32  % (15760)------------------------------
% 1.63/1.33  % (15754)Instruction limit reached!
% 1.63/1.33  % (15754)------------------------------
% 1.63/1.33  % (15754)Version: Vampire 4.8 (commit 7b44b1c2f on 2025-07-15 09:50:17 +0100)
% 1.63/1.33  % (15754)Termination reason: Unknown
% 1.63/1.33  % (15754)Termination phase: Saturation
% 1.63/1.33  
% 1.63/1.33  % (15754)Memory used [KB]: 5628
% 1.63/1.33  % (15754)Time elapsed: 0.013 s
% 1.63/1.33  % (15754)Instructions burned: 18 (million)
% 1.63/1.33  % (15754)------------------------------
% 1.63/1.33  % (15754)------------------------------
% 1.63/1.33  % (15769)dis+21_1:1_cbe=off:cnfonf=off:fs=off:fsr=off:hud=1:inj=on:i=3:si=on:rtra=on_0 on DTF2THF_15574 for (2999ds/3Mi)
% 1.63/1.33  % (15749)Instruction limit reached!
% 1.63/1.33  % (15749)------------------------------
% 1.63/1.33  % (15749)Version: Vampire 4.8 (commit 7b44b1c2f on 2025-07-15 09:50:17 +0100)
% 1.63/1.33  % (15749)Termination reason: Unknown
% 1.63/1.33  % (15749)Termination phase: Saturation
% 1.63/1.33  
% 1.63/1.33  % (15749)Memory used [KB]: 5628
% 1.63/1.33  % (15749)Time elapsed: 0.019 s
% 1.63/1.33  % (15749)Instructions burned: 28 (million)
% 1.63/1.33  % (15749)------------------------------
% 1.63/1.33  % (15749)------------------------------
% 1.63/1.34  % (15769)Instruction limit reached!
% 1.63/1.34  % (15769)------------------------------
% 1.63/1.34  % (15769)Version: Vampire 4.8 (commit 7b44b1c2f on 2025-07-15 09:50:17 +0100)
% 1.63/1.34  % (15769)Termination reason: Unknown
% 1.63/1.34  % (15769)Termination phase: Saturation
% 1.63/1.34  
% 1.63/1.34  % (15769)Memory used [KB]: 5500
% 1.63/1.34  % (15769)Time elapsed: 0.003 s
% 1.63/1.34  % (15769)Instructions burned: 4 (million)
% 1.63/1.34  % (15769)------------------------------
% 1.63/1.34  % (15769)------------------------------
% 1.63/1.34  % (15764)lrs+1002_1:1_cnfonf=lazy_not_be_gen:hud=14:prag=on:sp=weighted_frequency:tnu=1:i=37:si=on:rtra=on_0 on DTF2THF_15574 for (2999ds/37Mi)
% 1.63/1.34  % (15766)lrs+2_16:1_acc=model:au=on:bd=off:c=on:e2e=on:nm=2:sos=all:i=15:si=on:rtra=on_0 on DTF2THF_15574 for (2999ds/15Mi)
% 1.63/1.35  % (15779)lrs+10_1:1_acc=on:amm=sco:cs=on:tgt=full:i=16:si=on:rtra=on_0 on DTF2THF_15574 for (2999ds/16Mi)
% 1.63/1.35  % (15772)lrs+1002_1:1_aac=none:au=on:cnfonf=lazy_gen:plsq=on:plsqc=1:plsqr=4203469,65536:i=1041:si=on:rtra=on_0 on DTF2THF_15574 for (2999ds/1041Mi)
% 1.63/1.35  % (15766)Instruction limit reached!
% 1.63/1.35  % (15766)------------------------------
% 1.63/1.35  % (15766)Version: Vampire 4.8 (commit 7b44b1c2f on 2025-07-15 09:50:17 +0100)
% 1.63/1.35  % (15766)Termination reason: Unknown
% 1.63/1.35  % (15766)Termination phase: Saturation
% 1.63/1.35  
% 1.63/1.35  % (15766)Memory used [KB]: 5628
% 1.63/1.35  % (15766)Time elapsed: 0.012 s
% 1.63/1.35  % (15766)Instructions burned: 16 (million)
% 1.63/1.35  % (15766)------------------------------
% 1.63/1.35  % (15766)------------------------------
% 1.63/1.35  % (15778)lrs+10_1:1_av=off:chr=on:plsq=on:slsq=on:i=7:si=on:rtra=on_0 on DTF2THF_15574 for (2999ds/7Mi)
% 1.63/1.35  % (15779)Instruction limit reached!
% 1.63/1.35  % (15779)------------------------------
% 1.63/1.35  % (15779)Version: Vampire 4.8 (commit 7b44b1c2f on 2025-07-15 09:50:17 +0100)
% 1.63/1.35  % (15779)Termination reason: Unknown
% 1.63/1.35  % (15779)Termination phase: Saturation
% 1.63/1.35  
% 1.63/1.35  % (15779)Memory used [KB]: 5628
% 1.63/1.35  % (15779)Time elapsed: 0.008 s
% 1.63/1.35  % (15779)Instructions burned: 17 (million)
% 1.63/1.35  % (15779)------------------------------
% 1.63/1.35  % (15779)------------------------------
% 1.63/1.35  % (15778)Instruction limit reached!
% 1.63/1.35  % (15778)------------------------------
% 1.63/1.35  % (15778)Version: Vampire 4.8 (commit 7b44b1c2f on 2025-07-15 09:50:17 +0100)
% 1.63/1.35  % (15778)Termination reason: Unknown
% 1.63/1.35  % (15778)Termination phase: Saturation
% 1.63/1.35  
% 1.63/1.35  % (15778)Memory used [KB]: 1023
% 1.63/1.35  % (15778)Time elapsed: 0.006 s
% 1.63/1.35  % (15778)Instructions burned: 8 (million)
% 1.63/1.35  % (15778)------------------------------
% 1.63/1.35  % (15778)------------------------------
% 1.63/1.36  % (15764)Instruction limit reached!
% 1.63/1.36  % (15764)------------------------------
% 1.63/1.36  % (15764)Version: Vampire 4.8 (commit 7b44b1c2f on 2025-07-15 09:50:17 +0100)
% 1.63/1.36  % (15764)Termination reason: Unknown
% 1.63/1.36  % (15764)Termination phase: Saturation
% 1.63/1.36  
% 1.63/1.36  % (15764)Memory used [KB]: 5756
% 1.63/1.36  % (15764)Time elapsed: 0.024 s
% 1.63/1.36  % (15764)Instructions burned: 37 (million)
% 1.63/1.36  % (15764)------------------------------
% 1.63/1.36  % (15764)------------------------------
% 1.63/1.36  % (15788)lrs+2_1:1_apa=on:au=on:bd=preordered:cnfonf=off:cs=on:ixr=off:sos=on:i=3:si=on:rtra=on_0 on DTF2THF_15574 for (2999ds/3Mi)
% 1.63/1.36  % (15788)Instruction limit reached!
% 1.63/1.36  % (15788)------------------------------
% 1.63/1.36  % (15788)Version: Vampire 4.8 (commit 7b44b1c2f on 2025-07-15 09:50:17 +0100)
% 1.63/1.36  % (15788)Termination reason: Unknown
% 1.63/1.36  % (15788)Termination phase: Saturation
% 1.63/1.36  
% 1.63/1.36  % (15788)Memory used [KB]: 1023
% 1.63/1.36  % (15788)Time elapsed: 0.003 s
% 1.63/1.36  % (15788)Instructions burned: 4 (million)
% 1.63/1.36  % (15788)------------------------------
% 1.63/1.36  % (15788)------------------------------
% 1.63/1.36  % (15786)lrs+21_1:1_au=on:cnfonf=off:fd=preordered:fe=off:fsr=off:hud=11:inj=on:kws=precedence:s2pl=no:sp=weighted_frequency:tgt=full:i=3:si=on:rtra=on_0 on DTF2THF_15574 for (2999ds/3Mi)
% 1.63/1.37  % (15789)lrs+10_1:1_cnfonf=off:cs=on:hud=3:prag=on:sup=off:i=7:si=on:rtra=on_0 on DTF2THF_15574 for (2999ds/7Mi)
% 1.63/1.37  % (15786)Instruction limit reached!
% 1.63/1.37  % (15786)------------------------------
% 1.63/1.37  % (15786)Version: Vampire 4.8 (commit 7b44b1c2f on 2025-07-15 09:50:17 +0100)
% 1.63/1.37  % (15786)Termination reason: Unknown
% 1.63/1.37  % (15786)Termination phase: Twee Goal Transformation
% 1.63/1.37  
% 1.63/1.37  % (15786)Memory used [KB]: 1023
% 1.63/1.37  % (15786)Time elapsed: 0.004 s
% 1.63/1.37  % (15786)Instructions burned: 4 (million)
% 1.63/1.37  % (15786)------------------------------
% 1.63/1.37  % (15786)------------------------------
% 1.63/1.37  % (15789)Refutation not found, incomplete strategy
% 1.63/1.37  % (15789)------------------------------
% 1.63/1.37  % (15789)Version: Vampire 4.8 (commit 7b44b1c2f on 2025-07-15 09:50:17 +0100)
% 1.63/1.37  % (15789)Termination reason: Refutation not found, incomplete strategy
% 1.63/1.37  
% 1.63/1.37  
% 1.63/1.37  % (15789)Memory used [KB]: 5500
% 1.63/1.37  % (15789)Time elapsed: 0.002 s
% 1.63/1.37  % (15789)Instructions burned: 2 (million)
% 1.63/1.37  % (15789)------------------------------
% 1.63/1.37  % (15789)------------------------------
% 1.63/1.37  % (15795)dis+1004_1:1_cha=on:cs=on:fe=off:hud=1:i=4:si=on:rtra=on_0 on DTF2THF_15574 for (2999ds/4Mi)
% 1.63/1.38  % (15795)Instruction limit reached!
% 1.63/1.38  % (15795)------------------------------
% 1.63/1.38  % (15795)Version: Vampire 4.8 (commit 7b44b1c2f on 2025-07-15 09:50:17 +0100)
% 1.63/1.38  % (15795)Termination reason: Unknown
% 1.63/1.38  % (15795)Termination phase: Saturation
% 1.63/1.38  
% 1.63/1.38  % (15795)Memory used [KB]: 5500
% 1.63/1.38  % (15795)Time elapsed: 0.004 s
% 1.63/1.38  % (15795)Instructions burned: 6 (million)
% 1.63/1.38  % (15795)------------------------------
% 1.63/1.38  % (15795)------------------------------
% 1.63/1.38  % (15792)dis+1002_1:1_add=large:cnfonf=lazy_pi_sigma_gen:fe=off:prag=on:i=3:si=on:rtra=on_0 on DTF2THF_15574 for (2999ds/3Mi)
% 1.63/1.38  % (15792)Instruction limit reached!
% 1.63/1.38  % (15792)------------------------------
% 1.63/1.38  % (15792)Version: Vampire 4.8 (commit 7b44b1c2f on 2025-07-15 09:50:17 +0100)
% 1.63/1.38  % (15792)Termination reason: Unknown
% 1.63/1.38  % (15792)Termination phase: Saturation
% 1.63/1.38  
% 1.63/1.38  % (15792)Memory used [KB]: 5500
% 1.63/1.38  % (15792)Time elapsed: 0.004 s
% 1.63/1.38  % (15792)Instructions burned: 4 (million)
% 1.63/1.38  % (15792)------------------------------
% 1.63/1.38  % (15792)------------------------------
% 1.63/1.38  % (15799)lrs+10_1:1_e2e=on:sd=1:sgt=8:ss=axioms:i=710:si=on:rtra=on_0 on DTF2THF_15574 for (2999ds/710Mi)
% 1.63/1.38  % (15798)lrs+1002_1:1_anc=all_dependent:au=on:cbe=off:fde=unused:ntd=on:i=18:si=on:rtra=on_0 on DTF2THF_15574 for (2999ds/18Mi)
% 1.63/1.38  % (15747)Instruction limit reached!
% 1.63/1.38  % (15747)------------------------------
% 1.63/1.38  % (15747)Version: Vampire 4.8 (commit 7b44b1c2f on 2025-07-15 09:50:17 +0100)
% 1.63/1.38  % (15747)Termination reason: Unknown
% 1.63/1.38  % (15747)Termination phase: Saturation
% 1.63/1.38  
% 1.63/1.38  % (15747)Memory used [KB]: 6140
% 1.63/1.38  % (15747)Time elapsed: 0.068 s
% 1.63/1.38  % (15747)Instructions burned: 184 (million)
% 1.63/1.38  % (15747)------------------------------
% 1.63/1.38  % (15747)------------------------------
% 1.63/1.39  % (15804)lrs+1004_1:1_chr=on:prag=on:i=6:si=on:rtra=on_0 on DTF2THF_15574 for (2999ds/6Mi)
% 1.63/1.39  % (15804)Instruction limit reached!
% 1.63/1.39  % (15804)------------------------------
% 1.63/1.39  % (15804)Version: Vampire 4.8 (commit 7b44b1c2f on 2025-07-15 09:50:17 +0100)
% 1.63/1.39  % (15804)Termination reason: Unknown
% 1.63/1.39  % (15804)Termination phase: Saturation
% 1.63/1.39  
% 1.63/1.39  % (15804)Memory used [KB]: 5500
% 1.63/1.39  % (15804)Time elapsed: 0.004 s
% 1.63/1.39  % (15804)Instructions burned: 6 (million)
% 1.63/1.39  % (15804)------------------------------
% 1.63/1.39  % (15804)------------------------------
% 1.63/1.39  % (15798)Instruction limit reached!
% 1.63/1.39  % (15798)------------------------------
% 1.63/1.39  % (15798)Version: Vampire 4.8 (commit 7b44b1c2f on 2025-07-15 09:50:17 +0100)
% 1.63/1.39  % (15798)Termination reason: Unknown
% 1.63/1.39  % (15798)Termination phase: Saturation
% 1.63/1.39  
% 1.63/1.39  % (15798)Memory used [KB]: 5500
% 1.63/1.39  % (15798)Time elapsed: 0.009 s
% 1.63/1.39  % (15798)Instructions burned: 19 (million)
% 1.63/1.39  % (15798)------------------------------
% 1.63/1.39  % (15798)------------------------------
% 1.63/1.39  % (15809)dis+21_1:8_apa=on:cnfonf=off:fd=off:fsr=off:hud=0:ins=1:kws=inv_frequency:nwc=10.0:ss=axioms:st=5.0:i=21:si=on:rtra=on_0 on DTF2THF_15574 for (2999ds/21Mi)
% 1.63/1.39  % (15806)dis+1002_5:1_au=on:bd=off:e2e=on:fde=none:fs=off:fsr=off:sos=on:i=902:si=on:rtra=on_0 on DTF2THF_15574 for (2999ds/902Mi)
% 1.66/1.40  % (15812)dis+10_1:1_cnfonf=lazy_gen:fe=off:i=5:si=on:rtra=on_0 on DTF2THF_15574 for (2999ds/5Mi)
% 1.66/1.40  % (15812)Instruction limit reached!
% 1.66/1.40  % (15812)------------------------------
% 1.66/1.40  % (15812)Version: Vampire 4.8 (commit 7b44b1c2f on 2025-07-15 09:50:17 +0100)
% 1.66/1.40  % (15812)Termination reason: Unknown
% 1.66/1.40  % (15812)Termination phase: Saturation
% 1.66/1.40  
% 1.66/1.40  % (15812)Memory used [KB]: 5500
% 1.66/1.40  % (15812)Time elapsed: 0.004 s
% 1.66/1.40  % (15812)Instructions burned: 7 (million)
% 1.66/1.40  % (15812)------------------------------
% 1.66/1.40  % (15812)------------------------------
% 1.66/1.40  % (15813)lrs+2_1:1_cnfonf=lazy_not_gen_be_off:cs=on:fe=off:hud=10:inj=on:ins=3:plsq=on:plsqc=1:sd=10:ss=axioms:tnu=1:i=6:si=on:rtra=on_0 on DTF2THF_15574 for (2999ds/6Mi)
% 1.66/1.40  % (15809)Instruction limit reached!
% 1.66/1.40  % (15809)------------------------------
% 1.66/1.40  % (15809)Version: Vampire 4.8 (commit 7b44b1c2f on 2025-07-15 09:50:17 +0100)
% 1.66/1.40  % (15809)Termination reason: Unknown
% 1.66/1.40  % (15809)Termination phase: Saturation
% 1.66/1.40  
% 1.66/1.40  % (15809)Memory used [KB]: 5628
% 1.66/1.40  % (15809)Time elapsed: 0.010 s
% 1.66/1.40  % (15809)Instructions burned: 22 (million)
% 1.66/1.40  % (15809)------------------------------
% 1.66/1.40  % (15809)------------------------------
% 1.66/1.40  % (15813)Instruction limit reached!
% 1.66/1.40  % (15813)------------------------------
% 1.66/1.40  % (15813)Version: Vampire 4.8 (commit 7b44b1c2f on 2025-07-15 09:50:17 +0100)
% 1.66/1.40  % (15813)Termination reason: Unknown
% 1.66/1.40  % (15813)Termination phase: Saturation
% 1.66/1.40  
% 1.66/1.40  % (15813)Memory used [KB]: 5500
% 1.66/1.40  % (15813)Time elapsed: 0.003 s
% 1.66/1.40  % (15813)Instructions burned: 7 (million)
% 1.66/1.40  % (15813)------------------------------
% 1.66/1.40  % (15813)------------------------------
% 1.66/1.41  % (15816)lrs+1002_1:128_au=on:c=on:fsr=off:piset=equals:i=377:si=on:rtra=on_0 on DTF2THF_15574 for (2999ds/377Mi)
% 1.66/1.41  % (15817)dis+1010_1:4_atotf=0.2:c=on:cbe=off:cnfonf=lazy_simp:fe=off:ins=2:ntd=on:s2a=on:s2at=5.0:sgt=5:ss=axioms:st=1.5:i=779:si=on:rtra=on_0 on DTF2THF_15574 for (2999ds/779Mi)
% 1.66/1.41  % (15818)lrs+10_1:1_cnfonf=lazy_not_be_gen:ntd=on:sp=const_min:ss=axioms:sup=off:i=19:si=on:rtra=on_0 on DTF2THF_15574 for (2999ds/19Mi)
% 1.66/1.42  % (15818)Refutation not found, incomplete strategy
% 1.66/1.42  % (15818)------------------------------
% 1.66/1.42  % (15818)Version: Vampire 4.8 (commit 7b44b1c2f on 2025-07-15 09:50:17 +0100)
% 1.66/1.42  % (15818)Termination reason: Refutation not found, incomplete strategy
% 1.66/1.42  
% 1.66/1.42  
% 1.66/1.42  % (15818)Memory used [KB]: 5500
% 1.66/1.42  % (15818)Time elapsed: 0.004 s
% 1.66/1.42  % (15818)Instructions burned: 7 (million)
% 1.66/1.42  % (15818)------------------------------
% 1.66/1.42  % (15818)------------------------------
% 1.66/1.43  % (15827)lrs+1010_1:1_au=on:s2a=on:sd=1:sgt=50:ss=axioms:i=879:si=on:rtra=on_0 on DTF2THF_15574 for (2998ds/879Mi)
% 1.66/1.46  % (15753)Instruction limit reached!
% 1.66/1.46  % (15753)------------------------------
% 1.66/1.46  % (15753)Version: Vampire 4.8 (commit 7b44b1c2f on 2025-07-15 09:50:17 +0100)
% 1.66/1.46  % (15753)Termination reason: Unknown
% 1.66/1.46  % (15753)Termination phase: Saturation
% 1.66/1.46  
% 1.66/1.46  % (15753)Memory used [KB]: 5884
% 1.66/1.46  % (15753)Time elapsed: 0.141 s
% 1.66/1.46  % (15753)Instructions burned: 275 (million)
% 1.66/1.46  % (15753)------------------------------
% 1.66/1.46  % (15753)------------------------------
% 1.66/1.47  % (15849)dis+1002_1:128_acc=on:er=filter:i=17:si=on:rtra=on_0 on DTF2THF_15574 for (2998ds/17Mi)
% 1.66/1.47  % (15849)Instruction limit reached!
% 1.66/1.47  % (15849)------------------------------
% 1.66/1.47  % (15849)Version: Vampire 4.8 (commit 7b44b1c2f on 2025-07-15 09:50:17 +0100)
% 1.66/1.47  % (15849)Termination reason: Unknown
% 1.66/1.47  % (15849)Termination phase: Saturation
% 1.66/1.47  
% 1.66/1.47  % (15849)Memory used [KB]: 5628
% 1.66/1.47  % (15849)Time elapsed: 0.008 s
% 1.66/1.47  % (15849)Instructions burned: 17 (million)
% 1.66/1.47  % (15849)------------------------------
% 1.66/1.47  % (15849)------------------------------
% 1.66/1.48  % (15852)ott+21_1:1_apa=on:au=on:cnfonf=off:sos=on:i=3:si=on:rtra=on_0 on DTF2THF_15574 for (2998ds/3Mi)
% 1.66/1.48  % (15852)Instruction limit reached!
% 1.66/1.48  % (15852)------------------------------
% 1.66/1.48  % (15852)Version: Vampire 4.8 (commit 7b44b1c2f on 2025-07-15 09:50:17 +0100)
% 1.66/1.48  % (15852)Termination reason: Unknown
% 1.66/1.48  % (15852)Termination phase: Saturation
% 1.66/1.48  
% 1.66/1.48  % (15852)Memory used [KB]: 1023
% 1.66/1.48  % (15852)Time elapsed: 0.003 s
% 1.66/1.48  % (15852)Instructions burned: 4 (million)
% 1.66/1.48  % (15852)------------------------------
% 1.66/1.48  % (15852)------------------------------
% 1.66/1.49  % (15864)lrs+1010_1:8_cnfonf=off:hud=1:inj=on:tnu=5:i=30:si=on:rtra=on_0 on DTF2THF_15574 for (2998ds/30Mi)
% 1.66/1.50  % (15864)Instruction limit reached!
% 1.66/1.50  % (15864)------------------------------
% 1.66/1.50  % (15864)Version: Vampire 4.8 (commit 7b44b1c2f on 2025-07-15 09:50:17 +0100)
% 1.66/1.50  % (15864)Termination reason: Unknown
% 1.66/1.50  % (15864)Termination phase: Saturation
% 1.66/1.50  
% 1.66/1.50  % (15864)Memory used [KB]: 5628
% 1.66/1.50  % (15864)Time elapsed: 0.012 s
% 1.66/1.50  % (15864)Instructions burned: 30 (million)
% 1.66/1.50  % (15864)------------------------------
% 1.66/1.50  % (15864)------------------------------
% 1.66/1.51  % (15876)dis+10_1:1_ixr=off:plsq=on:plsqc=1:plsqr=32,1:s2a=on:i=127:si=on:rtra=on_0 on DTF2THF_15574 for (2998ds/127Mi)
% 1.66/1.53  % (15816)First to succeed.
% 1.66/1.53  % (15816)Refutation found. Thanks to Tanya!
% 1.66/1.53  % SZS status Theorem for DTF2THF_15574
% 1.66/1.53  % SZS output start Proof for DTF2THF_15574
% 1.66/1.53  thf(func_def_0, type, nt: $i > $i).
% 1.66/1.53  thf(func_def_1, type, imp: $i > $i > $i).
% 1.66/1.53  thf(func_def_2, type, cT: $i > $o).
% 1.66/1.53  thf(f2501,plain,(
% 1.66/1.53    $false),
% 1.66/1.53    inference(avatar_sat_refutation,[status(thm)],[f2261,f2473])).
% 1.66/1.53  thf(f2473,plain,(
% 1.66/1.53    ~spl1_3),
% 1.66/1.53    inference(avatar_contradiction_clause,[status(thm)],[f2472])).
% 1.66/1.53  thf(f2472,plain,(
% 1.66/1.53    $false | ~spl1_3),
% 1.66/1.53    inference(trivial_inequality_removal,[status(thm)],[f2423])).
% 1.66/1.53  thf(f2423,plain,(
% 1.66/1.53    ($false = $true) | ~spl1_3),
% 1.66/1.53    inference(backward_demodulation,[status(thm)],[f14,f2328])).
% 1.66/1.53  thf(f2328,plain,(
% 1.66/1.53    ( ! [X0 : $i] : (((cT @ X0) = $false)) ) | ~spl1_3),
% 1.66/1.53    inference(trivial_inequality_removal,[status(thm)],[f2265])).
% 1.66/1.53  thf(f2265,plain,(
% 1.66/1.53    ( ! [X0 : $i] : (($true != $true) | ((cT @ X0) = $false)) ) | ~spl1_3),
% 1.66/1.53    inference(fool_paramodulation,[status(thm)],[f168])).
% 1.66/1.53  thf(f168,plain,(
% 1.66/1.53    ( ! [X0 : $i] : (((cT @ X0) != $true)) ) | ~spl1_3),
% 1.66/1.53    inference(avatar_component_clause,[status(thm)],[f167])).
% 1.66/1.53  thf(f167,definition,(
% 1.66/1.53    spl1_3 <=> ! [X0 : $i] : ((cT @ X0) != $true)),
% 1.66/1.53    introduced(definition,[new_symbols(naming,[spl1_3])],[avatar_definition])).
% 1.66/1.53  thf(f14,plain,(
% 1.66/1.53    ( ! [X2 : $i,X0 : $i,X1 : $i] : (($true = (cT @ (imp @ (imp @ X1 @ (imp @ X0 @ X2)) @ (imp @ (imp @ X1 @ X0) @ (imp @ X1 @ X2)))))) )),
% 1.66/1.53    inference(cnf_transformation,[status(thm)],[f9])).
% 1.66/1.53  thf(f9,plain,(
% 1.66/1.53    ! [X0 : $i,X1 : $i,X2 : $i] : ($true = (cT @ (imp @ (imp @ X1 @ (imp @ X0 @ X2)) @ (imp @ (imp @ X1 @ X0) @ (imp @ X1 @ X2))))) & ! [X3 : $i,X4 : $i] : ($true = (cT @ (imp @ (imp @ (nt @ X3) @ (nt @ X4)) @ (imp @ X4 @ X3)))) & ! [X5 : $i,X6 : $i] : (($true != (cT @ X6)) | ($true != (cT @ (imp @ X6 @ X5))) | ($true = (cT @ X5))) & ! [X7 : $i,X8 : $i] : ($true = (cT @ (imp @ X7 @ (imp @ X8 @ X7)))) & ($true != (cT @ (imp @ (nt @ (nt @ sK0)) @ sK0)))),
% 1.66/1.53    inference(skolemisation,[status(esa),new_symbols(skolem,[sK0])],[f7,f8])).
% 1.66/1.53  thf(f8,plain,(
% 1.66/1.53    ? [X9 : $i] : ((cT @ (imp @ (nt @ (nt @ X9)) @ X9)) != $true) => ($true != (cT @ (imp @ (nt @ (nt @ sK0)) @ sK0)))),
% 1.66/1.53    introduced(definition,[],[choice_axiom])).
% 1.66/1.53  thf(f7,plain,(
% 1.66/1.53    ! [X0 : $i,X1 : $i,X2 : $i] : ($true = (cT @ (imp @ (imp @ X1 @ (imp @ X0 @ X2)) @ (imp @ (imp @ X1 @ X0) @ (imp @ X1 @ X2))))) & ! [X3 : $i,X4 : $i] : ($true = (cT @ (imp @ (imp @ (nt @ X3) @ (nt @ X4)) @ (imp @ X4 @ X3)))) & ! [X5 : $i,X6 : $i] : (($true != (cT @ X6)) | ($true != (cT @ (imp @ X6 @ X5))) | ($true = (cT @ X5))) & ! [X7 : $i,X8 : $i] : ($true = (cT @ (imp @ X7 @ (imp @ X8 @ X7)))) & ? [X9 : $i] : ((cT @ (imp @ (nt @ (nt @ X9)) @ X9)) != $true)),
% 1.66/1.53    inference(rectify,[status(thm)],[f6])).
% 1.66/1.53  thf(f6,plain,(
% 1.66/1.53    ! [X9 : $i,X8 : $i,X7 : $i] : ($true = (cT @ (imp @ (imp @ X8 @ (imp @ X9 @ X7)) @ (imp @ (imp @ X8 @ X9) @ (imp @ X8 @ X7))))) & ! [X2 : $i,X3 : $i] : ($true = (cT @ (imp @ (imp @ (nt @ X2) @ (nt @ X3)) @ (imp @ X3 @ X2)))) & ! [X4 : $i,X5 : $i] : (($true != (cT @ X5)) | ((cT @ (imp @ X5 @ X4)) != $true) | ($true = (cT @ X4))) & ! [X1 : $i,X0 : $i] : ($true = (cT @ (imp @ X1 @ (imp @ X0 @ X1)))) & ? [X6 : $i] : ((cT @ (imp @ (nt @ (nt @ X6)) @ X6)) != $true)),
% 1.66/1.53    inference(flattening,[status(thm)],[f5])).
% 1.66/1.53  thf(f5,plain,(
% 1.66/1.53    ~~(! [X1 : $i,X0 : $i] : ($true = (cT @ (imp @ X1 @ (imp @ X0 @ X1)))) & ! [X2 : $i,X3 : $i] : ($true = (cT @ (imp @ (imp @ (nt @ X2) @ (nt @ X3)) @ (imp @ X3 @ X2)))) & ! [X4 : $i,X5 : $i] : (~($true = (cT @ X5)) | ($true = (cT @ X4)) | ~((cT @ (imp @ X5 @ X4)) = $true)) & ? [X6 : $i] : ~((cT @ (imp @ (nt @ (nt @ X6)) @ X6)) = $true) & ! [X9 : $i,X8 : $i,X7 : $i] : ($true = (cT @ (imp @ (imp @ X8 @ (imp @ X9 @ X7)) @ (imp @ (imp @ X8 @ X9) @ (imp @ X8 @ X7))))))),
% 1.66/1.53    inference(fool_elimination,[status(thm)],[f4])).
% 1.66/1.53  thf(f4,plain,(
% 1.66/1.53    ~~(! [X0 : $i,X1 : $i] : (cT @ (imp @ X1 @ (imp @ X0 @ X1))) & ! [X2 : $i,X3 : $i] : (cT @ (imp @ (imp @ (nt @ X2) @ (nt @ X3)) @ (imp @ X3 @ X2))) & ! [X4 : $i,X5 : $i] : (~(cT @ X5) | (cT @ X4) | ~(cT @ (imp @ X5 @ X4))) & ? [X6 : $i] : ~(cT @ (imp @ (nt @ (nt @ X6)) @ X6)) & ! [X7 : $i,X8 : $i,X9 : $i] : (cT @ (imp @ (imp @ X8 @ (imp @ X9 @ X7)) @ (imp @ (imp @ X8 @ X9) @ (imp @ X8 @ X7)))))),
% 1.66/1.53    inference(rectify,[status(thm)],[f2])).
% 1.66/1.53  thf(f2,negated_conjecture,(
% 1.66/1.53    ~~(! [X1 : $i,X0 : $i] : (cT @ (imp @ X0 @ (imp @ X1 @ X0))) & ! [X0 : $i,X1 : $i] : (cT @ (imp @ (imp @ (nt @ X0) @ (nt @ X1)) @ (imp @ X1 @ X0))) & ! [X1 : $i,X0 : $i] : (~(cT @ X0) | (cT @ X1) | ~(cT @ (imp @ X0 @ X1))) & ? [X3 : $i] : ~(cT @ (imp @ (nt @ (nt @ X3)) @ X3)) & ! [X2 : $i,X0 : $i,X1 : $i] : (cT @ (imp @ (imp @ X0 @ (imp @ X1 @ X2)) @ (imp @ (imp @ X0 @ X1) @ (imp @ X0 @ X2)))))),
% 1.66/1.53    inference(negated_conjecture,[status(cth)],[f1])).
% 1.66/1.53  thf(f1,conjecture,(
% 1.66/1.53    ~(! [X1 : $i,X0 : $i] : (cT @ (imp @ X0 @ (imp @ X1 @ X0))) & ! [X0 : $i,X1 : $i] : (cT @ (imp @ (imp @ (nt @ X0) @ (nt @ X1)) @ (imp @ X1 @ X0))) & ! [X1 : $i,X0 : $i] : (~(cT @ X0) | (cT @ X1) | ~(cT @ (imp @ X0 @ X1))) & ? [X3 : $i] : ~(cT @ (imp @ (nt @ (nt @ X3)) @ X3)) & ! [X2 : $i,X0 : $i,X1 : $i] : (cT @ (imp @ (imp @ X0 @ (imp @ X1 @ X2)) @ (imp @ (imp @ X0 @ X1) @ (imp @ X0 @ X2)))))),
% 1.66/1.53    file('/export/starexec/sandbox2/tmp/tmp.tL6P2LiOfW/DTF2THF_15574.p',cLCL077_1)).
% 1.66/1.53  thf(f2261,plain,(
% 1.66/1.53    spl1_3),
% 1.66/1.53    inference(avatar_split_clause,[status(thm)],[f2254,f167])).
% 1.66/1.53  thf(f2254,plain,(
% 1.66/1.53    ( ! [X0 : $i] : (((cT @ X0) != $true)) )),
% 1.66/1.53    inference(trivial_inequality_removal,[status(thm)],[f2237])).
% 1.66/1.53  thf(f2237,plain,(
% 1.66/1.53    ( ! [X0 : $i] : (((cT @ X0) != $true) | ($true != $true)) )),
% 1.66/1.53    inference(superposition,[status(thm)],[f2229,f24])).
% 1.66/1.53  thf(f24,plain,(
% 1.66/1.53    ( ! [X0 : $i,X1 : $i] : (($true = (cT @ (imp @ X1 @ X0))) | ((cT @ X0) != $true)) )),
% 1.66/1.53    inference(trivial_inequality_removal,[status(thm)],[f23])).
% 1.66/1.53  thf(f23,plain,(
% 1.66/1.53    ( ! [X0 : $i,X1 : $i] : (($true != $true) | ((cT @ X0) != $true) | ($true = (cT @ (imp @ X1 @ X0)))) )),
% 1.66/1.53    inference(superposition,[status(thm)],[f12,f11])).
% 1.66/1.53  thf(f11,plain,(
% 1.66/1.53    ( ! [X8 : $i,X7 : $i] : (($true = (cT @ (imp @ X7 @ (imp @ X8 @ X7))))) )),
% 1.66/1.53    inference(cnf_transformation,[status(thm)],[f9])).
% 1.66/1.53  thf(f12,plain,(
% 1.66/1.53    ( ! [X6 : $i,X5 : $i] : (($true != (cT @ (imp @ X6 @ X5))) | ($true != (cT @ X6)) | ($true = (cT @ X5))) )),
% 1.66/1.53    inference(cnf_transformation,[status(thm)],[f9])).
% 1.66/1.53  thf(f2229,plain,(
% 1.66/1.53    ( ! [X0 : $i] : (($true != (cT @ (imp @ (imp @ X0 @ sK0) @ X0)))) )),
% 1.66/1.53    inference(trivial_inequality_removal,[status(thm)],[f2228])).
% 1.66/1.53  thf(f2228,plain,(
% 1.66/1.53    ( ! [X0 : $i] : (($true != $true) | ($true != (cT @ (imp @ (imp @ X0 @ sK0) @ X0)))) )),
% 1.66/1.53    inference(forward_demodulation,[status(thm)],[f2222,f284])).
% 1.66/1.53  thf(f284,plain,(
% 1.66/1.53    ( ! [X0 : $i] : (($true = (cT @ (imp @ X0 @ X0)))) )),
% 1.66/1.53    inference(trivial_inequality_removal,[status(thm)],[f274])).
% 1.66/1.53  thf(f274,plain,(
% 1.66/1.53    ( ! [X0 : $i] : (($true = (cT @ (imp @ X0 @ X0))) | ($true != $true)) )),
% 1.66/1.53    inference(superposition,[status(thm)],[f270,f11])).
% 1.66/1.53  thf(f270,plain,(
% 1.66/1.53    ( ! [X0 : $i,X1 : $i] : (($true != (cT @ (imp @ (nt @ X0) @ X1))) | ($true = (cT @ (imp @ X0 @ X0)))) )),
% 1.66/1.53    inference(trivial_inequality_removal,[status(thm)],[f263])).
% 1.66/1.53  thf(f263,plain,(
% 1.66/1.53    ( ! [X0 : $i,X1 : $i] : (($true != $true) | ($true = (cT @ (imp @ X0 @ X0))) | ($true != (cT @ (imp @ (nt @ X0) @ X1)))) )),
% 1.66/1.53    inference(superposition,[status(thm)],[f53,f252])).
% 1.66/1.53  thf(f252,plain,(
% 1.66/1.53    ( ! [X0 : $i,X1 : $i] : (($true = (cT @ (imp @ X0 @ X0))) | ((cT @ (imp @ X0 @ X1)) != $true)) )),
% 1.66/1.53    inference(trivial_inequality_removal,[status(thm)],[f246])).
% 1.66/1.53  thf(f246,plain,(
% 1.66/1.53    ( ! [X0 : $i,X1 : $i] : (((cT @ (imp @ X0 @ X1)) != $true) | ($true != $true) | ($true = (cT @ (imp @ X0 @ X0)))) )),
% 1.66/1.53    inference(superposition,[status(thm)],[f241,f11])).
% 1.66/1.53  thf(f241,plain,(
% 1.66/1.53    ( ! [X2 : $i,X0 : $i,X1 : $i] : (((cT @ (imp @ X0 @ (imp @ X1 @ X2))) != $true) | ((cT @ (imp @ X0 @ X1)) != $true) | ($true = (cT @ (imp @ X0 @ X2)))) )),
% 1.66/1.53    inference(trivial_inequality_removal,[status(thm)],[f238])).
% 1.66/1.53  thf(f238,plain,(
% 1.66/1.53    ( ! [X2 : $i,X0 : $i,X1 : $i] : (($true != $true) | ($true = (cT @ (imp @ X0 @ X2))) | ((cT @ (imp @ X0 @ (imp @ X1 @ X2))) != $true) | ((cT @ (imp @ X0 @ X1)) != $true)) )),
% 1.66/1.53    inference(superposition,[status(thm)],[f12,f234])).
% 1.66/1.53  thf(f234,plain,(
% 1.66/1.53    ( ! [X2 : $i,X0 : $i,X1 : $i] : (($true = (cT @ (imp @ (imp @ X0 @ X1) @ (imp @ X0 @ X2)))) | ((cT @ (imp @ X0 @ (imp @ X1 @ X2))) != $true)) )),
% 1.66/1.53    inference(trivial_inequality_removal,[status(thm)],[f230])).
% 1.66/1.53  thf(f230,plain,(
% 1.66/1.53    ( ! [X2 : $i,X0 : $i,X1 : $i] : (($false = $true) | ($true = (cT @ (imp @ (imp @ X0 @ X1) @ (imp @ X0 @ X2)))) | ((cT @ (imp @ X0 @ (imp @ X1 @ X2))) != $true)) )),
% 1.66/1.53    inference(superposition,[status(thm)],[f25,f14])).
% 1.66/1.53  thf(f25,plain,(
% 1.66/1.53    ( ! [X6 : $i,X5 : $i] : (($false = (cT @ (imp @ X6 @ X5))) | ($true != (cT @ X6)) | ($true = (cT @ X5))) )),
% 1.66/1.53    inference(trivial_inequality_removal,[status(thm)],[f21])).
% 1.66/1.53  thf(f21,plain,(
% 1.66/1.53    ( ! [X6 : $i,X5 : $i] : (($true != $true) | ($true != (cT @ X6)) | ($true = (cT @ X5)) | ($false = (cT @ (imp @ X6 @ X5)))) )),
% 1.66/1.53    inference(fool_paramodulation,[status(thm)],[f12])).
% 1.66/1.53  thf(f53,plain,(
% 1.66/1.53    ( ! [X0 : $i,X1 : $i] : (($true != (cT @ (imp @ (nt @ X0) @ (nt @ X1)))) | ($true = (cT @ (imp @ X1 @ X0)))) )),
% 1.66/1.53    inference(trivial_inequality_removal,[status(thm)],[f50])).
% 1.66/1.53  thf(f50,plain,(
% 1.66/1.53    ( ! [X0 : $i,X1 : $i] : (($true = (cT @ (imp @ X1 @ X0))) | ($true != $true) | ($true != (cT @ (imp @ (nt @ X0) @ (nt @ X1))))) )),
% 1.66/1.53    inference(superposition,[status(thm)],[f12,f13])).
% 1.66/1.53  thf(f13,plain,(
% 1.66/1.53    ( ! [X3 : $i,X4 : $i] : (($true = (cT @ (imp @ (imp @ (nt @ X3) @ (nt @ X4)) @ (imp @ X4 @ X3))))) )),
% 1.66/1.53    inference(cnf_transformation,[status(thm)],[f9])).
% 1.66/1.53  thf(f2222,plain,(
% 1.66/1.53    ( ! [X0 : $i] : (((cT @ (imp @ sK0 @ sK0)) != $true) | ($true != (cT @ (imp @ (imp @ X0 @ sK0) @ X0)))) )),
% 1.66/1.53    inference(trivial_inequality_removal,[status(thm)],[f2156])).
% 1.66/1.53  thf(f2156,plain,(
% 1.66/1.53    ( ! [X0 : $i] : (($true != (cT @ (imp @ (imp @ X0 @ sK0) @ X0))) | ((cT @ (imp @ sK0 @ sK0)) != $true) | ($true != $true)) )),
% 1.66/1.53    inference(superposition,[status(thm)],[f1531,f297])).
% 1.66/1.53  thf(f297,plain,(
% 1.66/1.53    ( ! [X0 : $i,X1 : $i] : (((cT @ (imp @ (imp @ X0 @ X1) @ X1)) = $true) | ($true != (cT @ (imp @ (imp @ X0 @ X1) @ X0)))) )),
% 1.66/1.53    inference(trivial_inequality_removal,[status(thm)],[f292])).
% 1.66/1.53  thf(f292,plain,(
% 1.66/1.53    ( ! [X0 : $i,X1 : $i] : (($true != (cT @ (imp @ (imp @ X0 @ X1) @ X0))) | ($true != $true) | ((cT @ (imp @ (imp @ X0 @ X1) @ X1)) = $true)) )),
% 1.66/1.53    inference(superposition,[status(thm)],[f241,f284])).
% 1.66/1.53  thf(f1531,plain,(
% 1.66/1.53    ( ! [X0 : $i,X1 : $i] : (((cT @ (imp @ (imp @ X0 @ sK0) @ X1)) != $true) | ($true != (cT @ (imp @ X1 @ sK0)))) )),
% 1.66/1.53    inference(trivial_inequality_removal,[status(thm)],[f1525])).
% 1.66/1.53  thf(f1525,plain,(
% 1.66/1.53    ( ! [X0 : $i,X1 : $i] : (((cT @ (imp @ (imp @ X0 @ sK0) @ X1)) != $true) | ($true != $true) | ($true != (cT @ (imp @ X1 @ sK0)))) )),
% 1.66/1.53    inference(superposition,[status(thm)],[f1506,f255])).
% 1.66/1.53  thf(f255,plain,(
% 1.66/1.53    ( ! [X2 : $i,X0 : $i,X1 : $i] : (($true = (cT @ (imp @ X0 @ X2))) | ($true != (cT @ (imp @ X1 @ X2))) | ((cT @ (imp @ X0 @ X1)) != $true)) )),
% 1.66/1.53    inference(trivial_inequality_removal,[status(thm)],[f250])).
% 1.66/1.53  thf(f250,plain,(
% 1.66/1.53    ( ! [X2 : $i,X0 : $i,X1 : $i] : (($true = (cT @ (imp @ X0 @ X2))) | ($true != $true) | ((cT @ (imp @ X0 @ X1)) != $true) | ($true != (cT @ (imp @ X1 @ X2)))) )),
% 1.66/1.53    inference(superposition,[status(thm)],[f241,f24])).
% 1.66/1.53  thf(f1506,plain,(
% 1.66/1.53    ( ! [X0 : $i] : (($true != (cT @ (imp @ (imp @ X0 @ sK0) @ sK0)))) )),
% 1.66/1.53    inference(trivial_inequality_removal,[status(thm)],[f1476])).
% 1.66/1.53  thf(f1476,plain,(
% 1.66/1.53    ( ! [X0 : $i] : (($true != $true) | ($true != (cT @ (imp @ (imp @ X0 @ sK0) @ sK0)))) )),
% 1.66/1.53    inference(superposition,[status(thm)],[f1339,f13])).
% 1.66/1.53  thf(f1339,plain,(
% 1.66/1.53    ( ! [X0 : $i,X1 : $i] : (($true != (cT @ (imp @ (imp @ (nt @ sK0) @ X0) @ X1))) | ($true != (cT @ (imp @ X1 @ sK0)))) )),
% 1.66/1.53    inference(trivial_inequality_removal,[status(thm)],[f1329])).
% 1.66/1.53  thf(f1329,plain,(
% 1.66/1.53    ( ! [X0 : $i,X1 : $i] : (($true != (cT @ (imp @ (imp @ (nt @ sK0) @ X0) @ X1))) | ($true != (cT @ (imp @ X1 @ sK0))) | ($true != $true)) )),
% 1.66/1.53    inference(superposition,[status(thm)],[f1305,f255])).
% 1.66/1.53  thf(f1305,plain,(
% 1.66/1.53    ( ! [X0 : $i] : (($true != (cT @ (imp @ (imp @ (nt @ sK0) @ X0) @ sK0)))) )),
% 1.66/1.53    inference(trivial_inequality_removal,[status(thm)],[f1285])).
% 1.66/1.53  thf(f1285,plain,(
% 1.66/1.53    ( ! [X0 : $i] : (($true != $true) | ($true != (cT @ (imp @ (imp @ (nt @ sK0) @ X0) @ sK0)))) )),
% 1.66/1.53    inference(superposition,[status(thm)],[f476,f13])).
% 1.66/1.53  thf(f476,plain,(
% 1.66/1.53    ( ! [X0 : $i,X1 : $i] : (($true != (cT @ (imp @ (imp @ X0 @ (nt @ (nt @ sK0))) @ X1))) | ($true != (cT @ (imp @ X1 @ sK0)))) )),
% 1.66/1.53    inference(trivial_inequality_removal,[status(thm)],[f468])).
% 1.66/1.53  thf(f468,plain,(
% 1.66/1.53    ( ! [X0 : $i,X1 : $i] : (($true != (cT @ (imp @ X1 @ sK0))) | ($true != (cT @ (imp @ (imp @ X0 @ (nt @ (nt @ sK0))) @ X1))) | ($true != $true)) )),
% 1.66/1.53    inference(superposition,[status(thm)],[f337,f255])).
% 1.66/1.53  thf(f337,plain,(
% 1.66/1.53    ( ! [X0 : $i] : (((cT @ (imp @ (imp @ X0 @ (nt @ (nt @ sK0))) @ sK0)) != $true)) )),
% 1.66/1.53    inference(trivial_inequality_removal,[status(thm)],[f324])).
% 1.66/1.53  thf(f324,plain,(
% 1.66/1.53    ( ! [X0 : $i] : (($true != $true) | ((cT @ (imp @ (imp @ X0 @ (nt @ (nt @ sK0))) @ sK0)) != $true)) )),
% 1.66/1.53    inference(superposition,[status(thm)],[f318,f11])).
% 1.66/1.53  thf(f318,plain,(
% 1.66/1.53    ( ! [X0 : $i] : (($true != (cT @ (imp @ (nt @ (nt @ sK0)) @ X0))) | ($true != (cT @ (imp @ X0 @ sK0)))) )),
% 1.66/1.53    inference(trivial_inequality_removal,[status(thm)],[f301])).
% 1.66/1.53  thf(f301,plain,(
% 1.66/1.53    ( ! [X0 : $i] : (($true != (cT @ (imp @ X0 @ sK0))) | ($true != (cT @ (imp @ (nt @ (nt @ sK0)) @ X0))) | ($false = $true)) )),
% 1.66/1.53    inference(superposition,[status(thm)],[f255,f16])).
% 1.66/1.53  thf(f16,plain,(
% 1.66/1.53    ($false = (cT @ (imp @ (nt @ (nt @ sK0)) @ sK0)))),
% 1.66/1.53    inference(trivial_inequality_removal,[status(thm)],[f15])).
% 1.66/1.53  thf(f15,plain,(
% 1.66/1.53    ($false = (cT @ (imp @ (nt @ (nt @ sK0)) @ sK0))) | ($true != $true)),
% 1.66/1.53    inference(fool_paramodulation,[status(thm)],[f10])).
% 1.66/1.53  thf(f10,plain,(
% 1.66/1.53    ($true != (cT @ (imp @ (nt @ (nt @ sK0)) @ sK0)))),
% 1.66/1.53    inference(cnf_transformation,[status(thm)],[f9])).
% 1.66/1.53  % SZS output end Proof for DTF2THF_15574
% 1.66/1.53  % (15816)------------------------------
% 1.66/1.53  % (15816)Version: Vampire 4.8 (commit 7b44b1c2f on 2025-07-15 09:50:17 +0100)
% 1.66/1.53  % (15816)Termination reason: Refutation
% 1.66/1.53  
% 1.66/1.53  % (15816)Memory used [KB]: 6012
% 1.66/1.53  % (15816)Time elapsed: 0.125 s
% 1.66/1.53  % (15816)Instructions burned: 371 (million)
% 1.66/1.53  % (15816)------------------------------
% 1.66/1.53  % (15816)------------------------------
% 1.66/1.53  % (15745)Success in time 0.221 s
%------------------------------------------------------------------------------