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Vampire---5.0.1.THM-Ref.s

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%------------------------------------------------------------------------------
% File     : Vampire---5.0.1
% Problem  : SEU787^2 : TPTP v9.3.1. Released v3.7.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : run_vampire /export/starexec/sandbox/benchmark/theBenchmark.p 300 THM

% Computer : n014.cluster.edu
% Model    : x86_64 x86_64
% CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 2.10GHz
% Memory   : 8046.5625MB
% OS       : Linux 6.8.0-71-generic
% CPULimit : 300s
% WCLimit  : 300s
% DateTime : Wed Sep 30 08:31:22 AM UTC 2026

% Result   : Theorem 0.22s 0.30s
% Output   : Refutation 0.22s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   19
%            Number of leaves      :    2
% Syntax   : Number of formulae    :   38 (  13 unt;   0 typ;   0 def)
%            Number of atoms       :  695 ( 186 equ;   0 cnn)
%            Maximal formula atoms :   16 (  18 avg)
%            Number of connectives :  851 (  95   ~;  91   |;  45   &; 562   @)
%                                         (   3 <=>;  55  =>;   0  <=;   0 <~>)
%            Maximal formula depth :   21 (   8 avg)
%            Number of types       :    2 (   0 usr)
%            Number of type conns  :    0 (   0   >;   0   *;   0   +;   0  <<)
%            Number of symbols     :   21 (  18 usr;  14 con; 0-2 aty)
%            Number of variables   :  105 (   0   ^;  83   !;  22   ?; 105   :)

% Comments : 
%------------------------------------------------------------------------------
thf(type_def_5,type,
    sTfun: ( $tType * $tType ) > $tType ).

thf(func_def_0,type,
    in: $i > $i > $o ).

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

thf(func_def_2,type,
    kpair: $i > $i > $i ).

thf(func_def_3,type,
    breln1: $i > $i > $o ).

thf(func_def_4,type,
    breln1unionE: $o ).

thf(func_def_18,type,
    sK10: $o ).

thf(func_def_19,type,
    vNOT: $o > $o ).

thf(f1,axiom,
    ( breln1unionE
    = ( ! [X0: $i,X1: $i] :
          ( ( breln1 @ X0 @ X1 )
         => ! [X2: $i] :
              ( ( breln1 @ X0 @ X2 )
             => ! [X3: $i] :
                  ( ( in @ X3 @ X0 )
                 => ! [X4: $i] :
                      ( ( in @ X4 @ X0 )
                     => ( ( in @ ( kpair @ X3 @ X4 ) @ ( binunion @ X1 @ X2 ) )
                       => ( ( in @ ( kpair @ X3 @ X4 ) @ X1 )
                          | ( in @ ( kpair @ X3 @ X4 ) @ X2 ) ) ) ) ) ) ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',breln1unionE) ).

thf(f2,conjecture,
    ( breln1unionE
   => ! [X1: $i,X0: $i] :
        ( ( breln1 @ X0 @ X1 )
       => ! [X2: $i] :
            ( ( breln1 @ X0 @ X2 )
           => ! [X3: $i] :
                ( ( in @ X3 @ X0 )
               => ! [X4: $i] :
                    ( ( in @ X4 @ X0 )
                   => ( ( in @ ( kpair @ X3 @ X4 ) @ ( binunion @ X1 @ X2 ) )
                     => ! [X5: $o] :
                          ( ( ( in @ ( kpair @ X3 @ X4 ) @ X1 )
                           => X5 )
                         => ( ( ( in @ ( kpair @ X3 @ X4 ) @ X2 )
                             => X5 )
                           => X5 ) ) ) ) ) ) ) ),
    file('/export/starexec/sandbox/benchmark/theBenchmark.p',breln1unionEcases) ).

thf(f3,negated_conjecture,
    ~ ( breln1unionE
     => ! [X1: $i,X0: $i] :
          ( ( breln1 @ X0 @ X1 )
         => ! [X2: $i] :
              ( ( breln1 @ X0 @ X2 )
             => ! [X3: $i] :
                  ( ( in @ X3 @ X0 )
                 => ! [X4: $i] :
                      ( ( in @ X4 @ X0 )
                     => ( ( in @ ( kpair @ X3 @ X4 ) @ ( binunion @ X1 @ X2 ) )
                       => ! [X5: $o] :
                            ( ( ( in @ ( kpair @ X3 @ X4 ) @ X1 )
                             => X5 )
                           => ( ( ( in @ ( kpair @ X3 @ X4 ) @ X2 )
                               => X5 )
                             => X5 ) ) ) ) ) ) ) ),
    inference(negated_conjecture,[status(cth)],[f2]) ).

thf(f4,plain,
    ~ ( breln1unionE
     => ! [X0: $i,X1: $i] :
          ( ( breln1 @ X1 @ X0 )
         => ! [X2: $i] :
              ( ( breln1 @ X1 @ X2 )
             => ! [X3: $i] :
                  ( ( in @ X3 @ X1 )
                 => ! [X4: $i] :
                      ( ( in @ X4 @ X1 )
                     => ( ( in @ ( kpair @ X3 @ X4 ) @ ( binunion @ X0 @ X2 ) )
                       => ! [X5: $o] :
                            ( ( ( in @ ( kpair @ X3 @ X4 ) @ X0 )
                             => X5 )
                           => ( ( ( in @ ( kpair @ X3 @ X4 ) @ X2 )
                               => X5 )
                             => X5 ) ) ) ) ) ) ) ),
    inference(rectify,[],[f3]) ).

thf(f5,plain,
    ~ ( ( breln1unionE = $true )
     => ! [X0: $i,X1: $i] :
          ( ( ( breln1 @ X1 @ X0 )
            = $true )
         => ! [X2: $i] :
              ( ( ( breln1 @ X1 @ X2 )
                = $true )
             => ! [X3: $i] :
                  ( ( ( in @ X3 @ X1 )
                    = $true )
                 => ! [X4: $i] :
                      ( ( ( in @ X4 @ X1 )
                        = $true )
                     => ( ( ( in @ ( kpair @ X3 @ X4 ) @ ( binunion @ X0 @ X2 ) )
                          = $true )
                       => ! [X5: $o] :
                            ( ( ( ( in @ ( kpair @ X3 @ X4 ) @ X0 )
                                = $true )
                             => ( $true = X5 ) )
                           => ( ( ( ( in @ ( kpair @ X3 @ X4 ) @ X2 )
                                  = $true )
                               => ( $true = X5 ) )
                             => ( $true = X5 ) ) ) ) ) ) ) ) ),
    inference(fool_elimination,[],[f4]) ).

thf(f6,plain,
    ( breln1unionE
    = ( ! [X0: $i,X1: $i] :
          ( ( breln1 @ X0 @ X1 )
         => ! [X2: $i] :
              ( ( breln1 @ X0 @ X2 )
             => ! [X3: $i] :
                  ( ( in @ X3 @ X0 )
                 => ! [X4: $i] :
                      ( ( in @ X4 @ X0 )
                     => ( ( in @ ( kpair @ X3 @ X4 ) @ ( binunion @ X1 @ X2 ) )
                       => ( ( in @ ( kpair @ X3 @ X4 ) @ X1 )
                          | ( in @ ( kpair @ X3 @ X4 ) @ X2 ) ) ) ) ) ) ) ) ),
    inference(rectify,[],[f1]) ).

thf(f7,plain,
    ( ! [X1: $i,X0: $i] :
        ( ( ( breln1 @ X0 @ X1 )
          = $true )
       => ! [X2: $i] :
            ( ( ( breln1 @ X0 @ X2 )
              = $true )
           => ! [X3: $i] :
                ( ( ( in @ X3 @ X0 )
                  = $true )
               => ! [X4: $i] :
                    ( ( ( in @ X4 @ X0 )
                      = $true )
                   => ( ( ( in @ ( kpair @ X3 @ X4 ) @ ( binunion @ X1 @ X2 ) )
                        = $true )
                     => ( ( ( in @ ( kpair @ X3 @ X4 ) @ X2 )
                          = $true )
                        | ( ( in @ ( kpair @ X3 @ X4 ) @ X1 )
                          = $true ) ) ) ) ) ) )
  <=> ( breln1unionE = $true ) ),
    inference(fool_elimination,[],[f6]) ).

thf(f8,plain,
    ( ? [X0: $i,X1: $i] :
        ( ? [X2: $i] :
            ( ? [X3: $i] :
                ( ? [X4: $i] :
                    ( ? [X5: $o] :
                        ( ( $true != X5 )
                        & ( ( $true = X5 )
                          | ( ( in @ ( kpair @ X3 @ X4 ) @ X2 )
                           != $true ) )
                        & ( ( $true = X5 )
                          | ( ( in @ ( kpair @ X3 @ X4 ) @ X0 )
                           != $true ) ) )
                    & ( ( in @ ( kpair @ X3 @ X4 ) @ ( binunion @ X0 @ X2 ) )
                      = $true )
                    & ( ( in @ X4 @ X1 )
                      = $true ) )
                & ( ( in @ X3 @ X1 )
                  = $true ) )
            & ( ( breln1 @ X1 @ X2 )
              = $true ) )
        & ( ( breln1 @ X1 @ X0 )
          = $true ) )
    & ( breln1unionE = $true ) ),
    inference(ennf_transformation,[],[f5]) ).

thf(f9,plain,
    ( ? [X0: $i,X1: $i] :
        ( ( ( breln1 @ X1 @ X0 )
          = $true )
        & ? [X2: $i] :
            ( ? [X3: $i] :
                ( ( ( in @ X3 @ X1 )
                  = $true )
                & ? [X4: $i] :
                    ( ( ( in @ ( kpair @ X3 @ X4 ) @ ( binunion @ X0 @ X2 ) )
                      = $true )
                    & ? [X5: $o] :
                        ( ( ( $true = X5 )
                          | ( ( in @ ( kpair @ X3 @ X4 ) @ X2 )
                           != $true ) )
                        & ( ( $true = X5 )
                          | ( ( in @ ( kpair @ X3 @ X4 ) @ X0 )
                           != $true ) )
                        & ( $true != X5 ) )
                    & ( ( in @ X4 @ X1 )
                      = $true ) ) )
            & ( ( breln1 @ X1 @ X2 )
              = $true ) ) )
    & ( breln1unionE = $true ) ),
    inference(flattening,[],[f8]) ).

thf(f10,plain,
    ( ! [X1: $i,X0: $i] :
        ( ! [X2: $i] :
            ( ! [X3: $i] :
                ( ! [X4: $i] :
                    ( ( ( in @ ( kpair @ X3 @ X4 ) @ X2 )
                      = $true )
                    | ( ( in @ ( kpair @ X3 @ X4 ) @ X1 )
                      = $true )
                    | ( ( in @ ( kpair @ X3 @ X4 ) @ ( binunion @ X1 @ X2 ) )
                     != $true )
                    | ( ( in @ X4 @ X0 )
                     != $true ) )
                | ( ( in @ X3 @ X0 )
                 != $true ) )
            | ( ( breln1 @ X0 @ X2 )
             != $true ) )
        | ( ( breln1 @ X0 @ X1 )
         != $true ) )
  <=> ( breln1unionE = $true ) ),
    inference(ennf_transformation,[],[f7]) ).

thf(f11,plain,
    ( ( breln1unionE = $true )
  <=> ! [X0: $i,X1: $i] :
        ( ( ( breln1 @ X0 @ X1 )
         != $true )
        | ! [X2: $i] :
            ( ! [X3: $i] :
                ( ! [X4: $i] :
                    ( ( ( in @ X4 @ X0 )
                     != $true )
                    | ( ( in @ ( kpair @ X3 @ X4 ) @ X2 )
                      = $true )
                    | ( ( in @ ( kpair @ X3 @ X4 ) @ ( binunion @ X1 @ X2 ) )
                     != $true )
                    | ( ( in @ ( kpair @ X3 @ X4 ) @ X1 )
                      = $true ) )
                | ( ( in @ X3 @ X0 )
                 != $true ) )
            | ( ( breln1 @ X0 @ X2 )
             != $true ) ) ) ),
    inference(flattening,[],[f10]) ).

thf(f12,plain,
    ( ( ( breln1unionE = $true )
      | ? [X0: $i,X1: $i] :
          ( ( ( breln1 @ X0 @ X1 )
            = $true )
          & ? [X2: $i] :
              ( ? [X3: $i] :
                  ( ? [X4: $i] :
                      ( ( ( in @ X4 @ X0 )
                        = $true )
                      & ( ( in @ ( kpair @ X3 @ X4 ) @ X2 )
                       != $true )
                      & ( ( in @ ( kpair @ X3 @ X4 ) @ ( binunion @ X1 @ X2 ) )
                        = $true )
                      & ( ( in @ ( kpair @ X3 @ X4 ) @ X1 )
                       != $true ) )
                  & ( ( in @ X3 @ X0 )
                    = $true ) )
              & ( ( breln1 @ X0 @ X2 )
                = $true ) ) ) )
    & ( ! [X0: $i,X1: $i] :
          ( ( ( breln1 @ X0 @ X1 )
           != $true )
          | ! [X2: $i] :
              ( ! [X3: $i] :
                  ( ! [X4: $i] :
                      ( ( ( in @ X4 @ X0 )
                       != $true )
                      | ( ( in @ ( kpair @ X3 @ X4 ) @ X2 )
                        = $true )
                      | ( ( in @ ( kpair @ X3 @ X4 ) @ ( binunion @ X1 @ X2 ) )
                       != $true )
                      | ( ( in @ ( kpair @ X3 @ X4 ) @ X1 )
                        = $true ) )
                  | ( ( in @ X3 @ X0 )
                   != $true ) )
              | ( ( breln1 @ X0 @ X2 )
               != $true ) ) )
      | ( breln1unionE != $true ) ) ),
    inference(nnf_transformation,[],[f11]) ).

thf(f13,plain,
    ( ( ( breln1unionE = $true )
      | ? [X0: $i,X1: $i] :
          ( ( ( breln1 @ X0 @ X1 )
            = $true )
          & ? [X2: $i] :
              ( ? [X3: $i] :
                  ( ? [X4: $i] :
                      ( ( ( in @ X4 @ X0 )
                        = $true )
                      & ( ( in @ ( kpair @ X3 @ X4 ) @ X2 )
                       != $true )
                      & ( ( in @ ( kpair @ X3 @ X4 ) @ ( binunion @ X1 @ X2 ) )
                        = $true )
                      & ( ( in @ ( kpair @ X3 @ X4 ) @ X1 )
                       != $true ) )
                  & ( ( in @ X3 @ X0 )
                    = $true ) )
              & ( ( breln1 @ X0 @ X2 )
                = $true ) ) ) )
    & ( ! [X5: $i,X6: $i] :
          ( ( ( breln1 @ X5 @ X6 )
           != $true )
          | ! [X7: $i] :
              ( ! [X8: $i] :
                  ( ! [X9: $i] :
                      ( ( ( in @ X9 @ X5 )
                       != $true )
                      | ( $true
                        = ( in @ ( kpair @ X8 @ X9 ) @ X7 ) )
                      | ( $true
                       != ( in @ ( kpair @ X8 @ X9 ) @ ( binunion @ X6 @ X7 ) ) )
                      | ( ( in @ ( kpair @ X8 @ X9 ) @ X6 )
                        = $true ) )
                  | ( $true
                   != ( in @ X8 @ X5 ) ) )
              | ( ( breln1 @ X5 @ X7 )
               != $true ) ) )
      | ( breln1unionE != $true ) ) ),
    inference(rectify,[],[f12]) ).

thf(f14,plain,
    ( ( ( breln1unionE = $true )
      | ( ( ( breln1 @ sK0 @ sK1 )
          = $true )
        & ( $true
          = ( in @ sK4 @ sK0 ) )
        & ( ( in @ ( kpair @ sK3 @ sK4 ) @ sK2 )
         != $true )
        & ( ( in @ ( kpair @ sK3 @ sK4 ) @ ( binunion @ sK1 @ sK2 ) )
          = $true )
        & ( ( in @ ( kpair @ sK3 @ sK4 ) @ sK1 )
         != $true )
        & ( ( in @ sK3 @ sK0 )
          = $true )
        & ( ( breln1 @ sK0 @ sK2 )
          = $true ) ) )
    & ( ! [X5: $i,X6: $i] :
          ( ( ( breln1 @ X5 @ X6 )
           != $true )
          | ! [X7: $i] :
              ( ! [X8: $i] :
                  ( ! [X9: $i] :
                      ( ( ( in @ X9 @ X5 )
                       != $true )
                      | ( $true
                        = ( in @ ( kpair @ X8 @ X9 ) @ X7 ) )
                      | ( $true
                       != ( in @ ( kpair @ X8 @ X9 ) @ ( binunion @ X6 @ X7 ) ) )
                      | ( ( in @ ( kpair @ X8 @ X9 ) @ X6 )
                        = $true ) )
                  | ( $true
                   != ( in @ X8 @ X5 ) ) )
              | ( ( breln1 @ X5 @ X7 )
               != $true ) ) )
      | ( breln1unionE != $true ) ) ),
    inference(skolemize,[status(esa),new_symbols(skolem,[sK0,sK1,sK2,sK3,sK4]),skolemize(X0,sK0),skolemize(X1,sK1),skolemize(X2,sK2),skolemize(X3,sK3),skolemize(X4,sK4)],[f13]) ).

thf(f15,plain,
    ( ( ( breln1 @ sK6 @ sK5 )
      = $true )
    & ( ( in @ sK8 @ sK6 )
      = $true )
    & ( ( in @ ( kpair @ sK8 @ sK9 ) @ ( binunion @ sK5 @ sK7 ) )
      = $true )
    & ( ( sK10 = $true )
      | ( $true
       != ( in @ ( kpair @ sK8 @ sK9 ) @ sK7 ) ) )
    & ( ( sK10 = $true )
      | ( $true
       != ( in @ ( kpair @ sK8 @ sK9 ) @ sK5 ) ) )
    & ( sK10 != $true )
    & ( ( in @ sK9 @ sK6 )
      = $true )
    & ( ( breln1 @ sK6 @ sK7 )
      = $true )
    & ( breln1unionE = $true ) ),
    inference(skolemize,[status(esa),new_symbols(skolem,[sK5,sK6,sK7,sK8,sK9,sK10]),skolemize(X0,sK5),skolemize(X1,sK6),skolemize(X2,sK7),skolemize(X3,sK8),skolemize(X4,sK9),skolemize(X5,sK10)],[f9]) ).

thf(f16,plain,
    ! [X8: $i,X6: $i,X9: $i,X7: $i,X5: $i] :
      ( ( ( breln1 @ X5 @ X6 )
       != $true )
      | ( ( in @ X9 @ X5 )
       != $true )
      | ( $true
        = ( in @ ( kpair @ X8 @ X9 ) @ X7 ) )
      | ( $true
       != ( in @ ( kpair @ X8 @ X9 ) @ ( binunion @ X6 @ X7 ) ) )
      | ( ( in @ ( kpair @ X8 @ X9 ) @ X6 )
        = $true )
      | ( $true
       != ( in @ X8 @ X5 ) )
      | ( ( breln1 @ X5 @ X7 )
       != $true )
      | ( breln1unionE != $true ) ),
    inference(cnf_transformation,[],[f14]) ).

thf(f24,plain,
    breln1unionE = $true,
    inference(cnf_transformation,[],[f15]) ).

thf(f25,plain,
    ( ( breln1 @ sK6 @ sK7 )
    = $true ),
    inference(cnf_transformation,[],[f15]) ).

thf(f26,plain,
    ( ( in @ sK9 @ sK6 )
    = $true ),
    inference(cnf_transformation,[],[f15]) ).

thf(f27,plain,
    sK10 != $true,
    inference(cnf_transformation,[],[f15]) ).

thf(f28,plain,
    ( ( sK10 = $true )
    | ( $true
     != ( in @ ( kpair @ sK8 @ sK9 ) @ sK5 ) ) ),
    inference(cnf_transformation,[],[f15]) ).

thf(f29,plain,
    ( ( $true
     != ( in @ ( kpair @ sK8 @ sK9 ) @ sK7 ) )
    | ( sK10 = $true ) ),
    inference(cnf_transformation,[],[f15]) ).

thf(f30,plain,
    ( ( in @ ( kpair @ sK8 @ sK9 ) @ ( binunion @ sK5 @ sK7 ) )
    = $true ),
    inference(cnf_transformation,[],[f15]) ).

thf(f31,plain,
    ( ( in @ sK8 @ sK6 )
    = $true ),
    inference(cnf_transformation,[],[f15]) ).

thf(f32,plain,
    ( ( breln1 @ sK6 @ sK5 )
    = $true ),
    inference(cnf_transformation,[],[f15]) ).

thf(f42,plain,
    ! [X8: $i,X6: $i,X9: $i,X7: $i,X5: $i] :
      ( ( $true
        = ( in @ ( kpair @ X8 @ X9 ) @ X7 ) )
      | ( ( breln1 @ X5 @ X7 )
       != $true )
      | ( ( breln1 @ X5 @ X6 )
       != $true )
      | ( ( in @ X9 @ X5 )
       != $true )
      | ( $true
       != ( in @ X8 @ X5 ) )
      | ( $true
       != ( in @ ( kpair @ X8 @ X9 ) @ ( binunion @ X6 @ X7 ) ) )
      | ( $true != $true )
      | ( ( in @ ( kpair @ X8 @ X9 ) @ X6 )
        = $true ) ),
    inference(definition_unfolding,[],[f16,f24]) ).

thf(f43,plain,
    ! [X8: $i,X6: $i,X9: $i,X7: $i,X5: $i] :
      ( ( $true
       != ( in @ ( kpair @ X8 @ X9 ) @ ( binunion @ X6 @ X7 ) ) )
      | ( ( breln1 @ X5 @ X7 )
       != $true )
      | ( ( in @ X9 @ X5 )
       != $true )
      | ( $true
        = ( in @ ( kpair @ X8 @ X9 ) @ X7 ) )
      | ( ( breln1 @ X5 @ X6 )
       != $true )
      | ( ( in @ ( kpair @ X8 @ X9 ) @ X6 )
        = $true )
      | ( $true
       != ( in @ X8 @ X5 ) ) ),
    inference(trivial_inequality_removal,[],[f42]) ).

thf(f44,plain,
    ( $true
   != ( in @ ( kpair @ sK8 @ sK9 ) @ sK5 ) ),
    inference(forward_subsumption_resolution,[],[f28,f27]) ).

thf(f45,plain,
    ( $true
   != ( in @ ( kpair @ sK8 @ sK9 ) @ sK7 ) ),
    inference(forward_subsumption_resolution,[],[f29,f27]) ).

thf(f46,plain,
    ! [X0: $i] :
      ( ( ( in @ sK9 @ X0 )
       != $true )
      | ( $true
       != ( breln1 @ X0 @ sK5 ) )
      | ( ( in @ sK8 @ X0 )
       != $true )
      | ( $true != $true )
      | ( $true
        = ( in @ ( kpair @ sK8 @ sK9 ) @ sK5 ) )
      | ( $true
        = ( in @ ( kpair @ sK8 @ sK9 ) @ sK7 ) )
      | ( ( breln1 @ X0 @ sK7 )
       != $true ) ),
    inference(constrained_superposition,[],[f43,f30]) ).

thf(f47,plain,
    ! [X0: $i] :
      ( ( ( in @ sK8 @ X0 )
       != $true )
      | ( ( in @ sK9 @ X0 )
       != $true )
      | ( $true
        = ( in @ ( kpair @ sK8 @ sK9 ) @ sK7 ) )
      | ( $true
        = ( in @ ( kpair @ sK8 @ sK9 ) @ sK5 ) )
      | ( $true
       != ( breln1 @ X0 @ sK5 ) )
      | ( ( breln1 @ X0 @ sK7 )
       != $true ) ),
    inference(trivial_inequality_removal,[],[f46]) ).

thf(f48,plain,
    ! [X0: $i] :
      ( ( ( in @ sK9 @ X0 )
       != $true )
      | ( ( breln1 @ X0 @ sK7 )
       != $true )
      | ( $true
       != ( breln1 @ X0 @ sK5 ) )
      | ( $true
        = ( in @ ( kpair @ sK8 @ sK9 ) @ sK5 ) )
      | ( ( in @ sK8 @ X0 )
       != $true ) ),
    inference(forward_subsumption_resolution,[],[f47,f45]) ).

thf(f49,plain,
    ! [X0: $i] :
      ( ( $true
       != ( breln1 @ X0 @ sK5 ) )
      | ( ( in @ sK9 @ X0 )
       != $true )
      | ( ( breln1 @ X0 @ sK7 )
       != $true )
      | ( ( in @ sK8 @ X0 )
       != $true ) ),
    inference(forward_subsumption_resolution,[],[f48,f44]) ).

thf(f50,plain,
    ( ( ( in @ sK9 @ sK6 )
     != $true )
    | ( ( in @ sK8 @ sK6 )
     != $true )
    | ( $true != $true )
    | ( ( breln1 @ sK6 @ sK7 )
     != $true ) ),
    inference(constrained_superposition,[],[f49,f32]) ).

thf(f51,plain,
    ( ( ( in @ sK9 @ sK6 )
     != $true )
    | ( ( breln1 @ sK6 @ sK7 )
     != $true )
    | ( ( in @ sK8 @ sK6 )
     != $true ) ),
    inference(trivial_inequality_removal,[],[f50]) ).

thf(f52,plain,
    ( ( ( in @ sK8 @ sK6 )
     != $true )
    | ( ( breln1 @ sK6 @ sK7 )
     != $true ) ),
    inference(forward_subsumption_resolution,[],[f51,f26]) ).

thf(f53,plain,
    ( ( breln1 @ sK6 @ sK7 )
   != $true ),
    inference(forward_subsumption_resolution,[],[f52,f31]) ).

thf(f54,plain,
    $false,
    inference(forward_subsumption_resolution,[],[f53,f25]) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.03  % Problem  : SEU787^2 : TPTP v9.3.1. Released v3.7.0.
% 0.00/0.06  % Command  : run_vampire /export/starexec/sandbox/benchmark/theBenchmark.p 300 THM
% 0.12/0.20  % Computer : n014.cluster.edu
% 0.12/0.20  % Model    : x86_64 x86_64
% 0.12/0.20  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.12/0.20  % Memory   : 8046.5625MB
% 0.12/0.20  % OS       : Linux 6.8.0-71-generic
% 0.12/0.20  % CPULimit : 300
% 0.12/0.20  % WCLimit  : 300
% 0.12/0.20  % DateTime : Tue Sep 29 14:28:45 UTC 2026
% 0.12/0.20  % CPUTime  : 
% 0.12/0.20  Running run_vampire /export/starexec/sandbox/benchmark/theBenchmark.p 300 THM
% 0.12/0.24  Running higher-order theorem proving
% 0.12/0.25  Running: /export/starexec/sandbox/solver/bin/vampire-ho --input_syntax tptp --output_axiom_names on --mode casc -m 16384 --cores 7 -t 300 /export/starexec/sandbox/benchmark/theBenchmark.p
% 0.22/0.30  % (2744441)Detected a higher-order problem, will run a greedy HOL sequence.
% 0.22/0.30  % (2744447)lrs+10_16_si=on:nwc=1.5:random_seed=1594115140:i=18:kws=arity_squared:rtra=on:fe=abstraction:ntd=on_2999 on theBenchmark for (2999ds/18Mi)
% 0.22/0.30  % (2744451)lrs+10_1_to=lpo:sil=128000:e2e=on:si=on:random_seed=963430881:s2a=on:i=75:s2at=3:aac=none:bd=preordered:rtra=on:fe=abstraction_2999 on theBenchmark for (2999ds/75Mi)
% 0.22/0.30  % (2744449)dis+1002_4:1_sfv=off:to=lpo:plsq=on:fde=none:e2e=on:si=on:spb=non_intro:acc=on:uwa=off:fd=preordered:foolp=on:s2agt=32:slsqc=1:slsq=on:random_seed=2846923974:hsq=on:hsqr=16,1:s2a=on:i=634:add=on:nm=16:nicw=on:rtra=on:gtg=position:ss=included:ixr=off:c=on:inj=on:ntd=on:rawr=on_2999 on theBenchmark for (2999ds/634Mi)
% 0.22/0.30  % (2744448)lrs+10_1_cnfonf=off:si=on:uwa=one_side_interpreted:random_seed=1740309111:i=3:rtra=on:inj=on:ntd=on_2999 on theBenchmark for (2999ds/3Mi)
% 0.22/0.30  % (2744451) found proof, printing to "/export/starexec/sandbox/tmp/vampire-proof-2744441-2744451"...
% 0.22/0.30  % (2744452)WARNING Broken Constraint: if ho_split_queue_ratios(1,8) has been set then ho_split_queue(off) is equal to on
% 0.22/0.30  % (2744452)WARNING Broken Constraint: if sine_to_age_tolerance(5) has been set then sine_to_age(off) is equal to on or sine_to_pred_levels(off) is not equal to off or sine_level_split_queue(off) is equal to on
% 0.22/0.30  % (2744448)Refutation not found, incomplete strategy
% 0.22/0.30  % (2744448)------------------------------
% 0.22/0.30  % (2744448)Version: Vampire 5.0.1 (Release build, commit 5ef7c2677 on 2026-07-16 16:54:09 +0200)
% 0.22/0.30  % (2744448)Linked with Z3 4.14.0.0 3c47fd96cf5645d0c42b2c819d9e9a84380aa721 z3-4.8.4-9178-g3c47fd96c
% 0.22/0.30  % (2744448)CaDiCaL version: 2.1.3
% 0.22/0.30  % (2744448)Termination reason: Refutation not found, incomplete strategy
% 0.22/0.30  % (2744448)Time elapsed: 0.002 s
% 0.22/0.30  % (2744448)Peak memory usage: 12 MB
% 0.22/0.30  % (2744448)Instructions burned: 3 (million)
% 0.22/0.30  % (2744447) found proof, printing to "/export/starexec/sandbox/tmp/vampire-proof-2744441-2744447"...
% 0.22/0.30  % (2744451)...printing done.
% 0.22/0.30  % (2744448)------------------------------
% 0.22/0.30  % (2744448)------------------------------
% 0.22/0.30  % (2744451)Refutation found. Thanks to Tanya!
% 0.22/0.30  % SZS status Theorem for theBenchmark
% 0.22/0.30  % SZS output start Proof for theBenchmark
% See solution above
% 0.22/0.30  % (2744451)------------------------------
% 0.22/0.30  % (2744451)Version: Vampire 5.0.1 (Release build, commit 5ef7c2677 on 2026-07-16 16:54:09 +0200)
% 0.22/0.30  % (2744451)Linked with Z3 4.14.0.0 3c47fd96cf5645d0c42b2c819d9e9a84380aa721 z3-4.8.4-9178-g3c47fd96c
% 0.22/0.30  % (2744451)CaDiCaL version: 2.1.3
% 0.22/0.30  % (2744451)Termination reason: Refutation
% 0.22/0.30  % (2744451)Time elapsed: 0.005 s
% 0.22/0.30  % (2744451)Peak memory usage: 12 MB
% 0.22/0.30  % (2744451)Instructions burned: 9 (million)
% 0.22/0.30  % (2744441)Success in time 0.041 s
% 0.22/0.30  % Vampire exiting
%------------------------------------------------------------------------------