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DT2H2X---1.9.5.THM-Ref.s

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%------------------------------------------------------------------------------
% File     : DT2H2X---1.9.5
% Problem  : SEU705^2 : 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 09:36:32 AM UTC 2026

% Result   : Theorem 1.86s 1.72s
% Output   : Refutation 1.86s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   38
%            Number of leaves      :    9
% Syntax   : Number of formulae    :  124 (  73 unt;   0 typ;   2 def)
%            Number of atoms       : 1348 ( 367 equ;   0 cnn)
%            Maximal formula atoms :    9 (  10 avg)
%            Number of connectives : 2245 ( 110   ~; 164   |; 168   &;1462   @)
%                                         (   2 <=>; 158  =>;   0  <=;   0 <~>)
%            Maximal formula depth :   18 (   3 avg)
%            Number of types       :    2 (   0 usr)
%            Number of type conns  :   21 (  21   >;   0   *;   0   +;   0  <<)
%            Number of symbols     :   25 (  20 usr;  15 con; 0-4 aty)
%                                         ( 151  !!;  30  ??;   0 @@+;   0 @@-)
%            Number of variables   :  479 ( 336   ^; 141   !;   2   ?; 479   :)

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

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

thf(func_def_3,type,
    setunion: $i > $i ).

thf(func_def_4,type,
    dsetconstr: $i > ( $i > $o ) > $i ).

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

thf(func_def_9,type,
    singleton: $i > $o ).

thf(func_def_12,type,
    if: $i > $o > $i > $i > $i ).

thf(func_def_31,type,
    sK1: $i > $o > $i > $i > $i ).

thf(func_def_36,type,
    ph6: 
      !>[X0: $tType] : X0 ).

thf(f602,plain,
    $false,
    inference(avatar_sat_refutation,[status(thm)],[f330,f367,f599]) ).

thf(f599,plain,
    ~ spl0_5,
    inference(avatar_contradiction_clause,[status(thm)],[f598]) ).

thf(f598,plain,
    ( $false
    | ~ spl0_5 ),
    inference(trivial_inequality_removal,[status(thm)],[f593]) ).

thf(f593,plain,
    ( ( $true = $false )
    | ~ spl0_5 ),
    inference(backward_demodulation,[status(thm)],[f78,f590]) ).

thf(f590,plain,
    ( ( ( in @ sK5 @ sK3 )
      = $false )
    | ~ spl0_5 ),
    inference(trivial_inequality_removal,[status(thm)],[f589]) ).

thf(f589,plain,
    ( ( ( in @ sK5 @ sK3 )
      = $false )
    | ( $true = $false )
    | ~ spl0_5 ),
    inference(forward_demodulation,[status(thm)],[f569,f74]) ).

thf(f74,plain,
    ( $true
    = ( in @ sK4 @ sK3 ) ),
    inference(binary_proxy_clausification,[status(thm)],[f72]) ).

thf(f72,plain,
    ( ( ( in @ sK4 @ sK3 )
     => ( !! @ $i
        @ ^ [Y0: $i] :
            ( ( in @ Y0 @ sK3 )
           => ( in
              @ ( setunion
                @ ( dsetconstr @ sK3
                  @ ^ [Y1: $i] :
                      ( ( ( sK4 = Y1 )
                        & sK2 )
                      | ( ( Y0 = Y1 )
                        & ~ sK2 ) ) ) )
              @ sK3 ) ) ) )
    = $false ),
    inference(beta_eta_normalization,[status(thm)],[f71]) ).

thf(f71,plain,
    ( ( ^ [Y0: $i] :
          ( ( in @ Y0 @ sK3 )
         => ( !! @ $i
            @ ^ [Y1: $i] :
                ( ( in @ Y1 @ sK3 )
               => ( in
                  @ ( setunion
                    @ ( dsetconstr @ sK3
                      @ ^ [Y2: $i] :
                          ( ( ( Y0 = Y2 )
                            & sK2 )
                          | ( ( Y1 = Y2 )
                            & ~ sK2 ) ) ) )
                  @ sK3 ) ) ) )
      @ sK4 )
    = $false ),
    inference(sigma_clausification,[status(thm)],[f70]) ).

thf(f70,plain,
    ( ( !! @ $i
      @ ^ [Y0: $i] :
          ( ( in @ Y0 @ sK3 )
         => ( !! @ $i
            @ ^ [Y1: $i] :
                ( ( in @ Y1 @ sK3 )
               => ( in
                  @ ( setunion
                    @ ( dsetconstr @ sK3
                      @ ^ [Y2: $i] :
                          ( ( ( Y0 = Y2 )
                            & sK2 )
                          | ( ( Y1 = Y2 )
                            & ~ sK2 ) ) ) )
                  @ sK3 ) ) ) ) )
    = $false ),
    inference(beta_eta_normalization,[status(thm)],[f69]) ).

thf(f69,plain,
    ( $false
    = ( ^ [Y0: $i] :
          ( !! @ $i
          @ ^ [Y1: $i] :
              ( ( in @ Y1 @ Y0 )
             => ( !! @ $i
                @ ^ [Y2: $i] :
                    ( ( in @ Y2 @ Y0 )
                   => ( in
                      @ ( setunion
                        @ ( dsetconstr @ Y0
                          @ ^ [Y3: $i] :
                              ( ( ( Y1 = Y3 )
                                & sK2 )
                              | ( ( Y2 = Y3 )
                                & ~ sK2 ) ) ) )
                      @ Y0 ) ) ) ) )
      @ sK3 ) ),
    inference(sigma_clausification,[status(thm)],[f68]) ).

thf(f68,plain,
    ( $false
    = ( !! @ $i
      @ ^ [Y0: $i] :
          ( !! @ $i
          @ ^ [Y1: $i] :
              ( ( in @ Y1 @ Y0 )
             => ( !! @ $i
                @ ^ [Y2: $i] :
                    ( ( in @ Y2 @ Y0 )
                   => ( in
                      @ ( setunion
                        @ ( dsetconstr @ Y0
                          @ ^ [Y3: $i] :
                              ( ( ( Y1 = Y3 )
                                & sK2 )
                              | ( ( Y2 = Y3 )
                                & ~ sK2 ) ) ) )
                      @ Y0 ) ) ) ) ) ) ),
    inference(beta_eta_normalization,[status(thm)],[f67]) ).

thf(f67,plain,
    ( ( ^ [Y0: $o] :
          ( !! @ $i
          @ ^ [Y1: $i] :
              ( !! @ $i
              @ ^ [Y2: $i] :
                  ( ( in @ Y2 @ Y1 )
                 => ( !! @ $i
                    @ ^ [Y3: $i] :
                        ( ( in @ Y3 @ Y1 )
                       => ( in
                          @ ( setunion
                            @ ( dsetconstr @ Y1
                              @ ^ [Y4: $i] :
                                  ( ( ( Y2 = Y4 )
                                    & Y0 )
                                  | ( ( Y3 = Y4 )
                                    & ~ Y0 ) ) ) )
                          @ Y1 ) ) ) ) ) )
      @ sK2 )
    = $false ),
    inference(sigma_clausification,[status(thm)],[f50]) ).

thf(f50,plain,
    ( $false
    = ( !! @ $o
      @ ^ [Y0: $o] :
          ( !! @ $i
          @ ^ [Y1: $i] :
              ( !! @ $i
              @ ^ [Y2: $i] :
                  ( ( in @ Y2 @ Y1 )
                 => ( !! @ $i
                    @ ^ [Y3: $i] :
                        ( ( in @ Y3 @ Y1 )
                       => ( in
                          @ ( setunion
                            @ ( dsetconstr @ Y1
                              @ ^ [Y4: $i] :
                                  ( ( ( Y2 = Y4 )
                                    & Y0 )
                                  | ( ( Y3 = Y4 )
                                    & ~ Y0 ) ) ) )
                          @ Y1 ) ) ) ) ) ) ) ),
    inference(binary_proxy_clausification,[status(thm)],[f48]) ).

thf(f48,plain,
    ( ( ( !! @ $i
        @ ^ [Y0: $i] :
            ( !! @ $o
            @ ^ [Y1: $o] :
                ( !! @ $i
                @ ^ [Y2: $i] :
                    ( ( in @ Y2 @ Y0 )
                   => ( !! @ $i
                      @ ^ [Y3: $i] :
                          ( ( in @ Y3 @ Y0 )
                         => ( ?? @ $i
                            @ ^ [Y4: $i] :
                                ( ( ( setadjoin @ Y4 @ emptyset )
                                  = ( dsetconstr @ Y0
                                    @ ^ [Y5: $i] :
                                        ( ( ( Y2 = Y5 )
                                          & Y1 )
                                        | ( ( Y3 = Y5 )
                                          & ~ Y1 ) ) ) )
                                & ( in @ Y4
                                  @ ( dsetconstr @ Y0
                                    @ ^ [Y5: $i] :
                                        ( ( ( Y2 = Y5 )
                                          & Y1 )
                                        | ( ( Y3 = Y5 )
                                          & ~ Y1 ) ) ) ) ) ) ) ) ) ) ) )
     => ( !! @ $o
        @ ^ [Y0: $o] :
            ( !! @ $i
            @ ^ [Y1: $i] :
                ( !! @ $i
                @ ^ [Y2: $i] :
                    ( ( in @ Y2 @ Y1 )
                   => ( !! @ $i
                      @ ^ [Y3: $i] :
                          ( ( in @ Y3 @ Y1 )
                         => ( in
                            @ ( setunion
                              @ ( dsetconstr @ Y1
                                @ ^ [Y4: $i] :
                                    ( ( ( Y2 = Y4 )
                                      & Y0 )
                                    | ( ( Y3 = Y4 )
                                      & ~ Y0 ) ) ) )
                            @ Y1 ) ) ) ) ) ) ) )
    = $false ),
    inference(binary_proxy_clausification,[status(thm)],[f46]) ).

thf(f46,plain,
    ( $false
    = ( ( !! @ $i
        @ ^ [Y0: $i] :
            ( ( ?? @ $i
              @ ^ [Y1: $i] :
                  ( ( ( setadjoin @ Y1 @ emptyset )
                    = Y0 )
                  & ( in @ Y1 @ Y0 ) ) )
           => ( in @ ( setunion @ Y0 ) @ Y0 ) ) )
     => ( ( !! @ $i
          @ ^ [Y0: $i] :
              ( !! @ $o
              @ ^ [Y1: $o] :
                  ( !! @ $i
                  @ ^ [Y2: $i] :
                      ( ( in @ Y2 @ Y0 )
                     => ( !! @ $i
                        @ ^ [Y3: $i] :
                            ( ( in @ Y3 @ Y0 )
                           => ( ?? @ $i
                              @ ^ [Y4: $i] :
                                  ( ( ( setadjoin @ Y4 @ emptyset )
                                    = ( dsetconstr @ Y0
                                      @ ^ [Y5: $i] :
                                          ( ( ( Y2 = Y5 )
                                            & Y1 )
                                          | ( ( Y3 = Y5 )
                                            & ~ Y1 ) ) ) )
                                  & ( in @ Y4
                                    @ ( dsetconstr @ Y0
                                      @ ^ [Y5: $i] :
                                          ( ( ( Y2 = Y5 )
                                            & Y1 )
                                          | ( ( Y3 = Y5 )
                                            & ~ Y1 ) ) ) ) ) ) ) ) ) ) ) )
       => ( !! @ $o
          @ ^ [Y0: $o] :
              ( !! @ $i
              @ ^ [Y1: $i] :
                  ( !! @ $i
                  @ ^ [Y2: $i] :
                      ( ( in @ Y2 @ Y1 )
                     => ( !! @ $i
                        @ ^ [Y3: $i] :
                            ( ( in @ Y3 @ Y1 )
                           => ( in
                              @ ( setunion
                                @ ( dsetconstr @ Y1
                                  @ ^ [Y4: $i] :
                                      ( ( ( Y2 = Y4 )
                                        & Y0 )
                                      | ( ( Y3 = Y4 )
                                        & ~ Y0 ) ) ) )
                              @ Y1 ) ) ) ) ) ) ) ) ) ),
    inference(binary_proxy_clausification,[status(thm)],[f36]) ).

thf(f36,plain,
    ( $false
    = ( ( !! @ ( $i > $o )
        @ ^ [Y0: $i > $o] :
            ( !! @ $i
            @ ^ [Y1: $i] : ( subset @ ( dsetconstr @ Y1 @ Y0 ) @ Y1 ) ) )
     => ( ( !! @ $i
          @ ^ [Y0: $i] :
              ( ( ?? @ $i
                @ ^ [Y1: $i] :
                    ( ( ( setadjoin @ Y1 @ emptyset )
                      = Y0 )
                    & ( in @ Y1 @ Y0 ) ) )
             => ( in @ ( setunion @ Y0 ) @ Y0 ) ) )
       => ( ( !! @ $i
            @ ^ [Y0: $i] :
                ( !! @ $o
                @ ^ [Y1: $o] :
                    ( !! @ $i
                    @ ^ [Y2: $i] :
                        ( ( in @ Y2 @ Y0 )
                       => ( !! @ $i
                          @ ^ [Y3: $i] :
                              ( ( in @ Y3 @ Y0 )
                             => ( ?? @ $i
                                @ ^ [Y4: $i] :
                                    ( ( ( setadjoin @ Y4 @ emptyset )
                                      = ( dsetconstr @ Y0
                                        @ ^ [Y5: $i] :
                                            ( ( ( Y2 = Y5 )
                                              & Y1 )
                                            | ( ( Y3 = Y5 )
                                              & ~ Y1 ) ) ) )
                                    & ( in @ Y4
                                      @ ( dsetconstr @ Y0
                                        @ ^ [Y5: $i] :
                                            ( ( ( Y2 = Y5 )
                                              & Y1 )
                                            | ( ( Y3 = Y5 )
                                              & ~ Y1 ) ) ) ) ) ) ) ) ) ) ) )
         => ( !! @ $o
            @ ^ [Y0: $o] :
                ( !! @ $i
                @ ^ [Y1: $i] :
                    ( !! @ $i
                    @ ^ [Y2: $i] :
                        ( ( in @ Y2 @ Y1 )
                       => ( !! @ $i
                          @ ^ [Y3: $i] :
                              ( ( in @ Y3 @ Y1 )
                             => ( in
                                @ ( setunion
                                  @ ( dsetconstr @ Y1
                                    @ ^ [Y4: $i] :
                                        ( ( ( Y2 = Y4 )
                                          & Y0 )
                                        | ( ( Y3 = Y4 )
                                          & ~ Y0 ) ) ) )
                                @ Y1 ) ) ) ) ) ) ) ) ) ) ),
    inference(binary_proxy_clausification,[status(thm)],[f35]) ).

thf(f35,plain,
    ( $false
    = ( ( !! @ $i
        @ ^ [Y0: $i] :
            ( !! @ $i
            @ ^ [Y1: $i] :
                ( !! @ $i
                @ ^ [Y2: $i] :
                    ( ( subset @ Y0 @ Y2 )
                   => ( ( in @ Y1 @ Y0 )
                     => ( in @ Y1 @ Y2 ) ) ) ) ) )
     => ( ( !! @ ( $i > $o )
          @ ^ [Y0: $i > $o] :
              ( !! @ $i
              @ ^ [Y1: $i] : ( subset @ ( dsetconstr @ Y1 @ Y0 ) @ Y1 ) ) )
       => ( ( !! @ $i
            @ ^ [Y0: $i] :
                ( ( ?? @ $i
                  @ ^ [Y1: $i] :
                      ( ( ( setadjoin @ Y1 @ emptyset )
                        = Y0 )
                      & ( in @ Y1 @ Y0 ) ) )
               => ( in @ ( setunion @ Y0 ) @ Y0 ) ) )
         => ( ( !! @ $i
              @ ^ [Y0: $i] :
                  ( !! @ $o
                  @ ^ [Y1: $o] :
                      ( !! @ $i
                      @ ^ [Y2: $i] :
                          ( ( in @ Y2 @ Y0 )
                         => ( !! @ $i
                            @ ^ [Y3: $i] :
                                ( ( in @ Y3 @ Y0 )
                               => ( ?? @ $i
                                  @ ^ [Y4: $i] :
                                      ( ( ( setadjoin @ Y4 @ emptyset )
                                        = ( dsetconstr @ Y0
                                          @ ^ [Y5: $i] :
                                              ( ( ( Y2 = Y5 )
                                                & Y1 )
                                              | ( ( Y3 = Y5 )
                                                & ~ Y1 ) ) ) )
                                      & ( in @ Y4
                                        @ ( dsetconstr @ Y0
                                          @ ^ [Y5: $i] :
                                              ( ( ( Y2 = Y5 )
                                                & Y1 )
                                              | ( ( Y3 = Y5 )
                                                & ~ Y1 ) ) ) ) ) ) ) ) ) ) ) )
           => ( !! @ $o
              @ ^ [Y0: $o] :
                  ( !! @ $i
                  @ ^ [Y1: $i] :
                      ( !! @ $i
                      @ ^ [Y2: $i] :
                          ( ( in @ Y2 @ Y1 )
                         => ( !! @ $i
                            @ ^ [Y3: $i] :
                                ( ( in @ Y3 @ Y1 )
                               => ( in
                                  @ ( setunion
                                    @ ( dsetconstr @ Y1
                                      @ ^ [Y4: $i] :
                                          ( ( ( Y2 = Y4 )
                                            & Y0 )
                                          | ( ( Y3 = Y4 )
                                            & ~ Y0 ) ) ) )
                                  @ Y1 ) ) ) ) ) ) ) ) ) ) ) ),
    inference(not_proxy_clausification,[status(thm)],[f34]) ).

thf(f34,plain,
    ( $true
    = ( ~ ( ( !! @ $i
            @ ^ [Y0: $i] :
                ( !! @ $i
                @ ^ [Y1: $i] :
                    ( !! @ $i
                    @ ^ [Y2: $i] :
                        ( ( subset @ Y0 @ Y2 )
                       => ( ( in @ Y1 @ Y0 )
                         => ( in @ Y1 @ Y2 ) ) ) ) ) )
         => ( ( !! @ ( $i > $o )
              @ ^ [Y0: $i > $o] :
                  ( !! @ $i
                  @ ^ [Y1: $i] : ( subset @ ( dsetconstr @ Y1 @ Y0 ) @ Y1 ) ) )
           => ( ( !! @ $i
                @ ^ [Y0: $i] :
                    ( ( ?? @ $i
                      @ ^ [Y1: $i] :
                          ( ( ( setadjoin @ Y1 @ emptyset )
                            = Y0 )
                          & ( in @ Y1 @ Y0 ) ) )
                   => ( in @ ( setunion @ Y0 ) @ Y0 ) ) )
             => ( ( !! @ $i
                  @ ^ [Y0: $i] :
                      ( !! @ $o
                      @ ^ [Y1: $o] :
                          ( !! @ $i
                          @ ^ [Y2: $i] :
                              ( ( in @ Y2 @ Y0 )
                             => ( !! @ $i
                                @ ^ [Y3: $i] :
                                    ( ( in @ Y3 @ Y0 )
                                   => ( ?? @ $i
                                      @ ^ [Y4: $i] :
                                          ( ( ( setadjoin @ Y4 @ emptyset )
                                            = ( dsetconstr @ Y0
                                              @ ^ [Y5: $i] :
                                                  ( ( ( Y2 = Y5 )
                                                    & Y1 )
                                                  | ( ( Y3 = Y5 )
                                                    & ~ Y1 ) ) ) )
                                          & ( in @ Y4
                                            @ ( dsetconstr @ Y0
                                              @ ^ [Y5: $i] :
                                                  ( ( ( Y2 = Y5 )
                                                    & Y1 )
                                                  | ( ( Y3 = Y5 )
                                                    & ~ Y1 ) ) ) ) ) ) ) ) ) ) ) )
               => ( !! @ $o
                  @ ^ [Y0: $o] :
                      ( !! @ $i
                      @ ^ [Y1: $i] :
                          ( !! @ $i
                          @ ^ [Y2: $i] :
                              ( ( in @ Y2 @ Y1 )
                             => ( !! @ $i
                                @ ^ [Y3: $i] :
                                    ( ( in @ Y3 @ Y1 )
                                   => ( in
                                      @ ( setunion
                                        @ ( dsetconstr @ Y1
                                          @ ^ [Y4: $i] :
                                              ( ( ( Y2 = Y4 )
                                                & Y0 )
                                              | ( ( Y3 = Y4 )
                                                & ~ Y0 ) ) ) )
                                      @ Y1 ) ) ) ) ) ) ) ) ) ) ) ) ),
    inference(beta_eta_normalization,[status(thm)],[f33]) ).

thf(f33,plain,
    ( $true
    = ( ~ ( ( !! @ $i
            @ ^ [Y0: $i] :
                ( !! @ $i
                @ ^ [Y1: $i] :
                    ( !! @ $i
                    @ ^ [Y2: $i] :
                        ( ( subset @ Y0 @ Y2 )
                       => ( ( in @ Y1 @ Y0 )
                         => ( in @ Y1 @ Y2 ) ) ) ) ) )
         => ( ( !! @ ( $i > $o )
              @ ^ [Y0: $i > $o] :
                  ( !! @ $i
                  @ ^ [Y1: $i] :
                      ( subset
                      @ ( dsetconstr @ Y1
                        @ ^ [Y2: $i] : ( Y0 @ Y2 ) )
                      @ Y1 ) ) )
           => ( ( !! @ $i
                @ ^ [Y0: $i] :
                    ( ( ^ [Y1: $i] :
                          ( ?? @ $i
                          @ ^ [Y2: $i] :
                              ( ( ( setadjoin @ Y2 @ emptyset )
                                = Y1 )
                              & ( in @ Y2 @ Y1 ) ) )
                      @ Y0 )
                   => ( in @ ( setunion @ Y0 ) @ Y0 ) ) )
             => ( ( !! @ $i
                  @ ^ [Y0: $i] :
                      ( !! @ $o
                      @ ^ [Y1: $o] :
                          ( !! @ $i
                          @ ^ [Y2: $i] :
                              ( ( in @ Y2 @ Y0 )
                             => ( !! @ $i
                                @ ^ [Y3: $i] :
                                    ( ( in @ Y3 @ Y0 )
                                   => ( ^ [Y4: $i] :
                                          ( ?? @ $i
                                          @ ^ [Y5: $i] :
                                              ( ( ( setadjoin @ Y5 @ emptyset )
                                                = Y4 )
                                              & ( in @ Y5 @ Y4 ) ) )
                                      @ ( dsetconstr @ Y0
                                        @ ^ [Y4: $i] :
                                            ( ( ( Y2 = Y4 )
                                              & Y1 )
                                            | ( ( Y3 = Y4 )
                                              & ~ Y1 ) ) ) ) ) ) ) ) ) )
               => ( !! @ $o
                  @ ^ [Y0: $o] :
                      ( !! @ $i
                      @ ^ [Y1: $i] :
                          ( !! @ $i
                          @ ^ [Y2: $i] :
                              ( ( in @ Y2 @ Y1 )
                             => ( !! @ $i
                                @ ^ [Y3: $i] :
                                    ( ( in @ Y3 @ Y1 )
                                   => ( in
                                      @ ( ^ [Y4: $i,Y5: $o,Y6: $i,Y7: $i] :
                                            ( setunion
                                            @ ( dsetconstr @ Y4
                                              @ ^ [Y8: $i] :
                                                  ( ( ( Y6 = Y8 )
                                                    & Y5 )
                                                  | ( ( Y7 = Y8 )
                                                    & ~ Y5 ) ) ) )
                                        @ Y1
                                        @ Y0
                                        @ Y2
                                        @ Y3 )
                                      @ Y1 ) ) ) ) ) ) ) ) ) ) ) ) ),
    inference(definition_unfolding,[status(thm)],[f24,f27,f28,f31,f32,f26]) ).

thf(f26,plain,
    ( if
    = ( ^ [Y0: $i,Y1: $o,Y2: $i,Y3: $i] :
          ( setunion
          @ ( dsetconstr @ Y0
            @ ^ [Y4: $i] :
                ( ( ( Y2 = Y4 )
                  & Y1 )
                | ( ( Y3 = Y4 )
                  & ~ Y1 ) ) ) ) ) ),
    inference(cnf_transformation,[status(thm)],[f13]) ).

thf(f13,plain,
    ( if
    = ( ^ [Y0: $i,Y1: $o,Y2: $i,Y3: $i] :
          ( setunion
          @ ( dsetconstr @ Y0
            @ ^ [Y4: $i] :
                ( ( ( Y2 = Y4 )
                  & Y1 )
                | ( ( Y3 = Y4 )
                  & ~ Y1 ) ) ) ) ) ),
    inference(fool_elimination,[status(thm)],[f12]) ).

thf(f12,plain,
    ( ( ^ [X0: $i,X1: $o,X2: $i,X3: $i] :
          ( setunion
          @ ( dsetconstr @ X0
            @ ^ [X4: $i] :
                ( ( ~ X1
                  & ( X3 = X4 ) )
                | ( X1
                  & ( X2 = X4 ) ) ) ) ) )
    = if ),
    inference(rectify,[status(thm)],[f6]) ).

thf(f6,axiom,
    ( ( ^ [X0: $i,X3: $o,X2: $i,X5: $i] :
          ( setunion
          @ ( dsetconstr @ X0
            @ ^ [X6: $i] :
                ( ( ~ X3
                  & ( X5 = X6 ) )
                | ( X3
                  & ( X2 = X6 ) ) ) ) ) )
    = if ),
    file('/export/starexec/sandbox/tmp/tmp.ph90K1Mmp4/DTF2THF_3057.p',if) ).

thf(f32,plain,
    ( ifSingleton
    = ( !! @ $i
      @ ^ [Y0: $i] :
          ( !! @ $o
          @ ^ [Y1: $o] :
              ( !! @ $i
              @ ^ [Y2: $i] :
                  ( ( in @ Y2 @ Y0 )
                 => ( !! @ $i
                    @ ^ [Y3: $i] :
                        ( ( in @ Y3 @ Y0 )
                       => ( ^ [Y4: $i] :
                              ( ?? @ $i
                              @ ^ [Y5: $i] :
                                  ( ( ( setadjoin @ Y5 @ emptyset )
                                    = Y4 )
                                  & ( in @ Y5 @ Y4 ) ) )
                          @ ( dsetconstr @ Y0
                            @ ^ [Y4: $i] :
                                ( ( ( Y2 = Y4 )
                                  & Y1 )
                                | ( ( Y3 = Y4 )
                                  & ~ Y1 ) ) ) ) ) ) ) ) ) ) ),
    inference(definition_unfolding,[status(thm)],[f25,f29]) ).

thf(f29,plain,
    ( singleton
    = ( ^ [Y0: $i] :
          ( ?? @ $i
          @ ^ [Y1: $i] :
              ( ( ( setadjoin @ Y1 @ emptyset )
                = Y0 )
              & ( in @ Y1 @ Y0 ) ) ) ) ),
    inference(cnf_transformation,[status(thm)],[f19]) ).

thf(f19,plain,
    ( singleton
    = ( ^ [Y0: $i] :
          ( ?? @ $i
          @ ^ [Y1: $i] :
              ( ( ( setadjoin @ Y1 @ emptyset )
                = Y0 )
              & ( in @ Y1 @ Y0 ) ) ) ) ),
    inference(fool_elimination,[status(thm)],[f18]) ).

thf(f18,plain,
    ( ( ^ [X0: $i] :
        ? [X1: $i] :
          ( ( in @ X1 @ X0 )
          & ( ( setadjoin @ X1 @ emptyset )
            = X0 ) ) )
    = singleton ),
    inference(rectify,[status(thm)],[f3]) ).

thf(f3,axiom,
    ( ( ^ [X0: $i] :
        ? [X2: $i] :
          ( ( in @ X2 @ X0 )
          & ( ( setadjoin @ X2 @ emptyset )
            = X0 ) ) )
    = singleton ),
    file('/export/starexec/sandbox/tmp/tmp.ph90K1Mmp4/DTF2THF_3057.p',singleton) ).

thf(f25,plain,
    ( ifSingleton
    = ( !! @ $i
      @ ^ [Y0: $i] :
          ( !! @ $o
          @ ^ [Y1: $o] :
              ( !! @ $i
              @ ^ [Y2: $i] :
                  ( ( in @ Y2 @ Y0 )
                 => ( !! @ $i
                    @ ^ [Y3: $i] :
                        ( ( in @ Y3 @ Y0 )
                       => ( singleton
                          @ ( dsetconstr @ Y0
                            @ ^ [Y4: $i] :
                                ( ( ( Y2 = Y4 )
                                  & Y1 )
                                | ( ( Y3 = Y4 )
                                  & ~ Y1 ) ) ) ) ) ) ) ) ) ) ),
    inference(cnf_transformation,[status(thm)],[f21]) ).

thf(f21,plain,
    ( ifSingleton
    = ( !! @ $i
      @ ^ [Y0: $i] :
          ( !! @ $o
          @ ^ [Y1: $o] :
              ( !! @ $i
              @ ^ [Y2: $i] :
                  ( ( in @ Y2 @ Y0 )
                 => ( !! @ $i
                    @ ^ [Y3: $i] :
                        ( ( in @ Y3 @ Y0 )
                       => ( singleton
                          @ ( dsetconstr @ Y0
                            @ ^ [Y4: $i] :
                                ( ( ( Y2 = Y4 )
                                  & Y1 )
                                | ( ( Y3 = Y4 )
                                  & ~ Y1 ) ) ) ) ) ) ) ) ) ) ),
    inference(fool_elimination,[status(thm)],[f20]) ).

thf(f20,plain,
    ( ifSingleton
    = ( ! [X0: $i,X1: $o,X2: $i] :
          ( ( in @ X0 @ X2 )
         => ! [X3: $i] :
              ( ( in @ X3 @ X2 )
             => ( singleton
                @ ( dsetconstr @ X2
                  @ ^ [X4: $i] :
                      ( ( ~ X1
                        & ( X3 = X4 ) )
                      | ( X1
                        & ( X0 = X4 ) ) ) ) ) ) ) ) ),
    inference(rectify,[status(thm)],[f5]) ).

thf(f5,axiom,
    ( ifSingleton
    = ( ! [X2: $i,X3: $o,X0: $i] :
          ( ( in @ X2 @ X0 )
         => ! [X5: $i] :
              ( ( in @ X5 @ X0 )
             => ( singleton
                @ ( dsetconstr @ X0
                  @ ^ [X6: $i] :
                      ( ( ~ X3
                        & ( X5 = X6 ) )
                      | ( X3
                        & ( X2 = X6 ) ) ) ) ) ) ) ) ),
    file('/export/starexec/sandbox/tmp/tmp.ph90K1Mmp4/DTF2THF_3057.p',ifSingleton) ).

thf(f31,plain,
    ( theprop
    = ( !! @ $i
      @ ^ [Y0: $i] :
          ( ( ^ [Y1: $i] :
                ( ?? @ $i
                @ ^ [Y2: $i] :
                    ( ( ( setadjoin @ Y2 @ emptyset )
                      = Y1 )
                    & ( in @ Y2 @ Y1 ) ) )
            @ Y0 )
         => ( in @ ( setunion @ Y0 ) @ Y0 ) ) ) ),
    inference(definition_unfolding,[status(thm)],[f30,f29]) ).

thf(f30,plain,
    ( theprop
    = ( !! @ $i
      @ ^ [Y0: $i] :
          ( ( singleton @ Y0 )
         => ( in @ ( setunion @ Y0 ) @ Y0 ) ) ) ),
    inference(cnf_transformation,[status(thm)],[f23]) ).

thf(f23,plain,
    ( theprop
    = ( !! @ $i
      @ ^ [Y0: $i] :
          ( ( singleton @ Y0 )
         => ( in @ ( setunion @ Y0 ) @ Y0 ) ) ) ),
    inference(fool_elimination,[status(thm)],[f22]) ).

thf(f22,plain,
    ! [X0: $i] :
      ( ( ( singleton @ X0 )
       => ( in @ ( setunion @ X0 ) @ X0 ) )
      = theprop ),
    inference(rectify,[status(thm)],[f4]) ).

thf(f4,axiom,
    ! [X4: $i] :
      ( ( ( singleton @ X4 )
       => ( in @ ( setunion @ X4 ) @ X4 ) )
      = theprop ),
    file('/export/starexec/sandbox/tmp/tmp.ph90K1Mmp4/DTF2THF_3057.p',theprop) ).

thf(f28,plain,
    ( sepSubset
    = ( !! @ ( $i > $o )
      @ ^ [Y0: $i > $o] :
          ( !! @ $i
          @ ^ [Y1: $i] :
              ( subset
              @ ( dsetconstr @ Y1
                @ ^ [Y2: $i] : ( Y0 @ Y2 ) )
              @ Y1 ) ) ) ),
    inference(cnf_transformation,[status(thm)],[f15]) ).

thf(f15,plain,
    ( sepSubset
    = ( !! @ ( $i > $o )
      @ ^ [Y0: $i > $o] :
          ( !! @ $i
          @ ^ [Y1: $i] :
              ( subset
              @ ( dsetconstr @ Y1
                @ ^ [Y2: $i] : ( Y0 @ Y2 ) )
              @ Y1 ) ) ) ),
    inference(fool_elimination,[status(thm)],[f14]) ).

thf(f14,plain,
    ! [X0: $i,X1: $i > $o] :
      ( ( subset
        @ ( dsetconstr @ X0
          @ ^ [X2: $i] : ( X1 @ X2 ) )
        @ X0 )
      = sepSubset ),
    inference(rectify,[status(thm)],[f2]) ).

thf(f2,axiom,
    ! [X0: $i,X3: $i > $o] :
      ( ( subset
        @ ( dsetconstr @ X0
          @ ^ [X2: $i] : ( X3 @ X2 ) )
        @ X0 )
      = sepSubset ),
    file('/export/starexec/sandbox/tmp/tmp.ph90K1Mmp4/DTF2THF_3057.p',sepSubset) ).

thf(f27,plain,
    ( subsetE
    = ( !! @ $i
      @ ^ [Y0: $i] :
          ( !! @ $i
          @ ^ [Y1: $i] :
              ( !! @ $i
              @ ^ [Y2: $i] :
                  ( ( subset @ Y0 @ Y2 )
                 => ( ( in @ Y1 @ Y0 )
                   => ( in @ Y1 @ Y2 ) ) ) ) ) ) ),
    inference(cnf_transformation,[status(thm)],[f11]) ).

thf(f11,plain,
    ( subsetE
    = ( !! @ $i
      @ ^ [Y0: $i] :
          ( !! @ $i
          @ ^ [Y1: $i] :
              ( !! @ $i
              @ ^ [Y2: $i] :
                  ( ( subset @ Y0 @ Y2 )
                 => ( ( in @ Y1 @ Y0 )
                   => ( in @ Y1 @ Y2 ) ) ) ) ) ) ),
    inference(fool_elimination,[status(thm)],[f10]) ).

thf(f10,plain,
    ( subsetE
    = ( ! [X0: $i,X1: $i,X2: $i] :
          ( ( subset @ X2 @ X0 )
         => ( ( in @ X1 @ X2 )
           => ( in @ X1 @ X0 ) ) ) ) ),
    inference(rectify,[status(thm)],[f1]) ).

thf(f1,axiom,
    ( subsetE
    = ( ! [X1: $i,X2: $i,X0: $i] :
          ( ( subset @ X0 @ X1 )
         => ( ( in @ X2 @ X0 )
           => ( in @ X2 @ X1 ) ) ) ) ),
    file('/export/starexec/sandbox/tmp/tmp.ph90K1Mmp4/DTF2THF_3057.p',subsetE) ).

thf(f24,plain,
    ( ( ~ ( subsetE
         => ( sepSubset
           => ( theprop
             => ( ifSingleton
               => ( !! @ $o
                  @ ^ [Y0: $o] :
                      ( !! @ $i
                      @ ^ [Y1: $i] :
                          ( !! @ $i
                          @ ^ [Y2: $i] :
                              ( ( in @ Y2 @ Y1 )
                             => ( !! @ $i
                                @ ^ [Y3: $i] :
                                    ( ( in @ Y3 @ Y1 )
                                   => ( in @ ( if @ Y1 @ Y0 @ Y2 @ Y3 ) @ Y1 ) ) ) ) ) ) ) ) ) ) ) )
    = $true ),
    inference(cnf_transformation,[status(thm)],[f17]) ).

thf(f17,plain,
    ( ( ~ ( subsetE
         => ( sepSubset
           => ( theprop
             => ( ifSingleton
               => ( !! @ $o
                  @ ^ [Y0: $o] :
                      ( !! @ $i
                      @ ^ [Y1: $i] :
                          ( !! @ $i
                          @ ^ [Y2: $i] :
                              ( ( in @ Y2 @ Y1 )
                             => ( !! @ $i
                                @ ^ [Y3: $i] :
                                    ( ( in @ Y3 @ Y1 )
                                   => ( in @ ( if @ Y1 @ Y0 @ Y2 @ Y3 ) @ Y1 ) ) ) ) ) ) ) ) ) ) ) )
    = $true ),
    inference(fool_elimination,[status(thm)],[f16]) ).

thf(f16,plain,
    ~ ( subsetE
     => ( sepSubset
       => ( theprop
         => ( ifSingleton
           => ! [X0: $i,X1: $i,X2: $o] :
                ( ( in @ X0 @ X1 )
               => ! [X3: $i] :
                    ( ( in @ X3 @ X1 )
                   => ( in @ ( if @ X1 @ X2 @ X0 @ X3 ) @ X1 ) ) ) ) ) ) ),
    inference(rectify,[status(thm)],[f8]) ).

thf(f8,negated_conjecture,
    ~ ( subsetE
     => ( sepSubset
       => ( theprop
         => ( ifSingleton
           => ! [X2: $i,X0: $i,X3: $o] :
                ( ( in @ X2 @ X0 )
               => ! [X5: $i] :
                    ( ( in @ X5 @ X0 )
                   => ( in @ ( if @ X0 @ X3 @ X2 @ X5 ) @ X0 ) ) ) ) ) ) ),
    inference(negated_conjecture,[status(cth)],[f7]) ).

thf(f7,conjecture,
    ( subsetE
   => ( sepSubset
     => ( theprop
       => ( ifSingleton
         => ! [X2: $i,X0: $i,X3: $o] :
              ( ( in @ X2 @ X0 )
             => ! [X5: $i] :
                  ( ( in @ X5 @ X0 )
                 => ( in @ ( if @ X0 @ X3 @ X2 @ X5 ) @ X0 ) ) ) ) ) ) ),
    file('/export/starexec/sandbox/tmp/tmp.ph90K1Mmp4/DTF2THF_3057.p',ifp) ).

thf(f569,plain,
    ( ( $false
      = ( in @ sK4 @ sK3 ) )
    | ( ( in @ sK5 @ sK3 )
      = $false )
    | ~ spl0_5 ),
    inference(trivial_inequality_removal,[status(thm)],[f568]) ).

thf(f568,plain,
    ( ( ( ^ [Y0: $i] : sK2 )
     != ( ^ [Y0: $i] : sK2 ) )
    | ( ( in @ sK5 @ sK3 )
      = $false )
    | ( $false
      = ( in @ sK4 @ sK3 ) )
    | ( ( ^ [Y0: $i] : sK4 )
     != ( ^ [Y0: $i] : sK4 ) )
    | ( $true = $false )
    | ( ( ^ [Y0: $i] : sK5 )
     != ( ^ [Y0: $i] : sK5 ) )
    | ~ spl0_5 ),
    inference(duplicate_literal_removal,[status(thm)],[f563]) ).

thf(f563,plain,
    ( ( $false
      = ( in @ sK4 @ sK3 ) )
    | ( ( ^ [Y0: $i] : sK4 )
     != ( ^ [Y0: $i] : sK4 ) )
    | ( $true = $false )
    | ( ( ^ [Y0: $i] : sK2 )
     != ( ^ [Y0: $i] : sK2 ) )
    | ( ( in @ sK5 @ sK3 )
      = $false )
    | ( ( in @ sK5 @ sK3 )
      = $false )
    | ( ( ^ [Y0: $i] : sK5 )
     != ( ^ [Y0: $i] : sK5 ) )
    | ( $false
      = ( in @ sK4 @ sK3 ) )
    | ~ spl0_5 ),
    inference(superposition,[status(thm)],[f123,f320]) ).

thf(f320,plain,
    ( ( $false
      = ( in @ ( sK1 @ sK3 @ sK2 @ sK4 @ sK5 ) @ ( setadjoin @ ( sK1 @ sK3 @ sK2 @ sK4 @ sK5 ) @ emptyset ) ) )
    | ~ spl0_5 ),
    inference(avatar_component_clause,[status(thm)],[f318]) ).

thf(f318,definition,
    ( spl0_5
  <=> ( $false
      = ( in @ ( sK1 @ sK3 @ sK2 @ sK4 @ sK5 ) @ ( setadjoin @ ( sK1 @ sK3 @ sK2 @ sK4 @ sK5 ) @ emptyset ) ) ) ),
    introduced(definition,[new_symbols(naming,[spl0_5])],[avatar_definition]) ).

thf(f123,plain,
    ! [X2: $i,X3: $i,X0: $o,X1: $o,X6: $i,X4: $i,X5: $i] :
      ( ( $true
        = ( in @ ( sK1 @ X6 @ X1 @ X5 @ X3 ) @ ( setadjoin @ ( sK1 @ X6 @ X0 @ X4 @ X2 ) @ emptyset ) ) )
      | ( $false
        = ( in @ X2 @ X6 ) )
      | ( $false
        = ( in @ X5 @ X6 ) )
      | ( ( in @ X3 @ X6 )
        = $false )
      | ( ( in @ X4 @ X6 )
        = $false )
      | ( ( ^ [Y0: $i] : X2 )
       != ( ^ [Y0: $i] : X3 ) )
      | ( ( ^ [Y0: $i] : X1 )
       != ( ^ [Y0: $i] : X0 ) )
      | ( ( ^ [Y0: $i] : X5 )
       != ( ^ [Y0: $i] : X4 ) ) ),
    inference(duplicate_literal_removal,[status(thm)],[f118]) ).

thf(f118,plain,
    ! [X2: $i,X3: $i,X0: $o,X1: $o,X6: $i,X4: $i,X5: $i] :
      ( ( ( ^ [Y0: $i] : X5 )
       != ( ^ [Y0: $i] : X4 ) )
      | ( ( ^ [Y0: $i] : X1 )
       != ( ^ [Y0: $i] : X0 ) )
      | ( $false
        = ( in @ X2 @ X6 ) )
      | ( $false
        = ( in @ X5 @ X6 ) )
      | ( ( ^ [Y0: $i] : X2 )
       != ( ^ [Y0: $i] : X3 ) )
      | ( $true
        = ( in @ ( sK1 @ X6 @ X1 @ X5 @ X3 ) @ ( setadjoin @ ( sK1 @ X6 @ X0 @ X4 @ X2 ) @ emptyset ) ) )
      | ( ( ^ [Y0: $i] : X1 )
       != ( ^ [Y0: $i] : X0 ) )
      | ( ( in @ X3 @ X6 )
        = $false )
      | ( ( in @ X4 @ X6 )
        = $false ) ),
    inference(constrained_superposition,[status(thm)],[f64,f66]) ).

thf(f66,plain,
    ! [X2: $o,X3: $i,X1: $i,X4: $i] :
      ( ( ( setadjoin @ ( sK1 @ X1 @ X2 @ X3 @ X4 ) @ emptyset )
        = ( dsetconstr @ X1
          @ ^ [Y0: $i] :
              ( ( ( X3 = Y0 )
                & X2 )
              | ( ( X4 = Y0 )
                & ~ X2 ) ) ) )
      | ( ( in @ X3 @ X1 )
        = $false )
      | ( ( in @ X4 @ X1 )
        = $false ) ),
    inference(equality_proxy_clausification,[status(thm)],[f65]) ).

thf(f65,plain,
    ! [X2: $o,X3: $i,X1: $i,X4: $i] :
      ( ( ( in @ X3 @ X1 )
        = $false )
      | ( ( ( setadjoin @ ( sK1 @ X1 @ X2 @ X3 @ X4 ) @ emptyset )
          = ( dsetconstr @ X1
            @ ^ [Y0: $i] :
                ( ( ( X3 = Y0 )
                  & X2 )
                | ( ( X4 = Y0 )
                  & ~ X2 ) ) ) )
        = $true )
      | ( ( in @ X4 @ X1 )
        = $false ) ),
    inference(binary_proxy_clausification,[status(thm)],[f63]) ).

thf(f63,plain,
    ! [X2: $o,X3: $i,X1: $i,X4: $i] :
      ( ( ( in @ X4 @ X1 )
        = $false )
      | ( ( ( ( setadjoin @ ( sK1 @ X1 @ X2 @ X3 @ X4 ) @ emptyset )
            = ( dsetconstr @ X1
              @ ^ [Y0: $i] :
                  ( ( ( X3 = Y0 )
                    & X2 )
                  | ( ( X4 = Y0 )
                    & ~ X2 ) ) ) )
          & ( in @ ( sK1 @ X1 @ X2 @ X3 @ X4 )
            @ ( dsetconstr @ X1
              @ ^ [Y0: $i] :
                  ( ( ( X3 = Y0 )
                    & X2 )
                  | ( ( X4 = Y0 )
                    & ~ X2 ) ) ) ) )
        = $true )
      | ( ( in @ X3 @ X1 )
        = $false ) ),
    inference(beta_eta_normalization,[status(thm)],[f62]) ).

thf(f62,plain,
    ! [X2: $o,X3: $i,X1: $i,X4: $i] :
      ( ( ( in @ X4 @ X1 )
        = $false )
      | ( ( in @ X3 @ X1 )
        = $false )
      | ( $true
        = ( ^ [Y0: $i] :
              ( ( ( setadjoin @ Y0 @ emptyset )
                = ( dsetconstr @ X1
                  @ ^ [Y1: $i] :
                      ( ( ( X3 = Y1 )
                        & X2 )
                      | ( ( X4 = Y1 )
                        & ~ X2 ) ) ) )
              & ( in @ Y0
                @ ( dsetconstr @ X1
                  @ ^ [Y1: $i] :
                      ( ( ( X3 = Y1 )
                        & X2 )
                      | ( ( X4 = Y1 )
                        & ~ X2 ) ) ) ) )
          @ ( sK1 @ X1 @ X2 @ X3 @ X4 ) ) ) ),
    inference(sigma_clausification,[status(thm)],[f61]) ).

thf(f61,plain,
    ! [X2: $o,X3: $i,X1: $i,X4: $i] :
      ( ( ( ?? @ $i
          @ ^ [Y0: $i] :
              ( ( ( setadjoin @ Y0 @ emptyset )
                = ( dsetconstr @ X1
                  @ ^ [Y1: $i] :
                      ( ( ( X3 = Y1 )
                        & X2 )
                      | ( ( X4 = Y1 )
                        & ~ X2 ) ) ) )
              & ( in @ Y0
                @ ( dsetconstr @ X1
                  @ ^ [Y1: $i] :
                      ( ( ( X3 = Y1 )
                        & X2 )
                      | ( ( X4 = Y1 )
                        & ~ X2 ) ) ) ) ) )
        = $true )
      | ( ( in @ X4 @ X1 )
        = $false )
      | ( ( in @ X3 @ X1 )
        = $false ) ),
    inference(binary_proxy_clausification,[status(thm)],[f60]) ).

thf(f60,plain,
    ! [X2: $o,X3: $i,X1: $i,X4: $i] :
      ( ( $true
        = ( ( in @ X4 @ X1 )
         => ( ?? @ $i
            @ ^ [Y0: $i] :
                ( ( ( setadjoin @ Y0 @ emptyset )
                  = ( dsetconstr @ X1
                    @ ^ [Y1: $i] :
                        ( ( ( X3 = Y1 )
                          & X2 )
                        | ( ( X4 = Y1 )
                          & ~ X2 ) ) ) )
                & ( in @ Y0
                  @ ( dsetconstr @ X1
                    @ ^ [Y1: $i] :
                        ( ( ( X3 = Y1 )
                          & X2 )
                        | ( ( X4 = Y1 )
                          & ~ X2 ) ) ) ) ) ) ) )
      | ( ( in @ X3 @ X1 )
        = $false ) ),
    inference(beta_eta_normalization,[status(thm)],[f59]) ).

thf(f59,plain,
    ! [X2: $o,X3: $i,X1: $i,X4: $i] :
      ( ( $true
        = ( ^ [Y0: $i] :
              ( ( in @ Y0 @ X1 )
             => ( ?? @ $i
                @ ^ [Y1: $i] :
                    ( ( ( setadjoin @ Y1 @ emptyset )
                      = ( dsetconstr @ X1
                        @ ^ [Y2: $i] :
                            ( ( ( X3 = Y2 )
                              & X2 )
                            | ( ( Y0 = Y2 )
                              & ~ X2 ) ) ) )
                    & ( in @ Y1
                      @ ( dsetconstr @ X1
                        @ ^ [Y2: $i] :
                            ( ( ( X3 = Y2 )
                              & X2 )
                            | ( ( Y0 = Y2 )
                              & ~ X2 ) ) ) ) ) ) )
          @ X4 ) )
      | ( ( in @ X3 @ X1 )
        = $false ) ),
    inference(pi_clausification,[status(thm)],[f58]) ).

thf(f58,plain,
    ! [X2: $o,X3: $i,X1: $i] :
      ( ( ( in @ X3 @ X1 )
        = $false )
      | ( $true
        = ( !! @ $i
          @ ^ [Y0: $i] :
              ( ( in @ Y0 @ X1 )
             => ( ?? @ $i
                @ ^ [Y1: $i] :
                    ( ( ( setadjoin @ Y1 @ emptyset )
                      = ( dsetconstr @ X1
                        @ ^ [Y2: $i] :
                            ( ( ( X3 = Y2 )
                              & X2 )
                            | ( ( Y0 = Y2 )
                              & ~ X2 ) ) ) )
                    & ( in @ Y1
                      @ ( dsetconstr @ X1
                        @ ^ [Y2: $i] :
                            ( ( ( X3 = Y2 )
                              & X2 )
                            | ( ( Y0 = Y2 )
                              & ~ X2 ) ) ) ) ) ) ) ) ) ),
    inference(binary_proxy_clausification,[status(thm)],[f57]) ).

thf(f57,plain,
    ! [X2: $o,X3: $i,X1: $i] :
      ( $true
      = ( ( in @ X3 @ X1 )
       => ( !! @ $i
          @ ^ [Y0: $i] :
              ( ( in @ Y0 @ X1 )
             => ( ?? @ $i
                @ ^ [Y1: $i] :
                    ( ( ( setadjoin @ Y1 @ emptyset )
                      = ( dsetconstr @ X1
                        @ ^ [Y2: $i] :
                            ( ( ( X3 = Y2 )
                              & X2 )
                            | ( ( Y0 = Y2 )
                              & ~ X2 ) ) ) )
                    & ( in @ Y1
                      @ ( dsetconstr @ X1
                        @ ^ [Y2: $i] :
                            ( ( ( X3 = Y2 )
                              & X2 )
                            | ( ( Y0 = Y2 )
                              & ~ X2 ) ) ) ) ) ) ) ) ) ),
    inference(beta_eta_normalization,[status(thm)],[f56]) ).

thf(f56,plain,
    ! [X2: $o,X3: $i,X1: $i] :
      ( $true
      = ( ^ [Y0: $i] :
            ( ( in @ Y0 @ X1 )
           => ( !! @ $i
              @ ^ [Y1: $i] :
                  ( ( in @ Y1 @ X1 )
                 => ( ?? @ $i
                    @ ^ [Y2: $i] :
                        ( ( ( setadjoin @ Y2 @ emptyset )
                          = ( dsetconstr @ X1
                            @ ^ [Y3: $i] :
                                ( ( ( Y0 = Y3 )
                                  & X2 )
                                | ( ( Y1 = Y3 )
                                  & ~ X2 ) ) ) )
                        & ( in @ Y2
                          @ ( dsetconstr @ X1
                            @ ^ [Y3: $i] :
                                ( ( ( Y0 = Y3 )
                                  & X2 )
                                | ( ( Y1 = Y3 )
                                  & ~ X2 ) ) ) ) ) ) ) ) )
        @ X3 ) ),
    inference(pi_clausification,[status(thm)],[f55]) ).

thf(f55,plain,
    ! [X2: $o,X1: $i] :
      ( $true
      = ( !! @ $i
        @ ^ [Y0: $i] :
            ( ( in @ Y0 @ X1 )
           => ( !! @ $i
              @ ^ [Y1: $i] :
                  ( ( in @ Y1 @ X1 )
                 => ( ?? @ $i
                    @ ^ [Y2: $i] :
                        ( ( ( setadjoin @ Y2 @ emptyset )
                          = ( dsetconstr @ X1
                            @ ^ [Y3: $i] :
                                ( ( ( Y0 = Y3 )
                                  & X2 )
                                | ( ( Y1 = Y3 )
                                  & ~ X2 ) ) ) )
                        & ( in @ Y2
                          @ ( dsetconstr @ X1
                            @ ^ [Y3: $i] :
                                ( ( ( Y0 = Y3 )
                                  & X2 )
                                | ( ( Y1 = Y3 )
                                  & ~ X2 ) ) ) ) ) ) ) ) ) ) ),
    inference(beta_eta_normalization,[status(thm)],[f54]) ).

thf(f54,plain,
    ! [X2: $o,X1: $i] :
      ( $true
      = ( ^ [Y0: $o] :
            ( !! @ $i
            @ ^ [Y1: $i] :
                ( ( in @ Y1 @ X1 )
               => ( !! @ $i
                  @ ^ [Y2: $i] :
                      ( ( in @ Y2 @ X1 )
                     => ( ?? @ $i
                        @ ^ [Y3: $i] :
                            ( ( ( setadjoin @ Y3 @ emptyset )
                              = ( dsetconstr @ X1
                                @ ^ [Y4: $i] :
                                    ( ( ( Y1 = Y4 )
                                      & Y0 )
                                    | ( ( Y2 = Y4 )
                                      & ~ Y0 ) ) ) )
                            & ( in @ Y3
                              @ ( dsetconstr @ X1
                                @ ^ [Y4: $i] :
                                    ( ( ( Y1 = Y4 )
                                      & Y0 )
                                    | ( ( Y2 = Y4 )
                                      & ~ Y0 ) ) ) ) ) ) ) ) ) )
        @ X2 ) ),
    inference(pi_clausification,[status(thm)],[f53]) ).

thf(f53,plain,
    ! [X1: $i] :
      ( $true
      = ( !! @ $o
        @ ^ [Y0: $o] :
            ( !! @ $i
            @ ^ [Y1: $i] :
                ( ( in @ Y1 @ X1 )
               => ( !! @ $i
                  @ ^ [Y2: $i] :
                      ( ( in @ Y2 @ X1 )
                     => ( ?? @ $i
                        @ ^ [Y3: $i] :
                            ( ( ( setadjoin @ Y3 @ emptyset )
                              = ( dsetconstr @ X1
                                @ ^ [Y4: $i] :
                                    ( ( ( Y1 = Y4 )
                                      & Y0 )
                                    | ( ( Y2 = Y4 )
                                      & ~ Y0 ) ) ) )
                            & ( in @ Y3
                              @ ( dsetconstr @ X1
                                @ ^ [Y4: $i] :
                                    ( ( ( Y1 = Y4 )
                                      & Y0 )
                                    | ( ( Y2 = Y4 )
                                      & ~ Y0 ) ) ) ) ) ) ) ) ) ) ) ),
    inference(beta_eta_normalization,[status(thm)],[f52]) ).

thf(f52,plain,
    ! [X1: $i] :
      ( ( ^ [Y0: $i] :
            ( !! @ $o
            @ ^ [Y1: $o] :
                ( !! @ $i
                @ ^ [Y2: $i] :
                    ( ( in @ Y2 @ Y0 )
                   => ( !! @ $i
                      @ ^ [Y3: $i] :
                          ( ( in @ Y3 @ Y0 )
                         => ( ?? @ $i
                            @ ^ [Y4: $i] :
                                ( ( ( setadjoin @ Y4 @ emptyset )
                                  = ( dsetconstr @ Y0
                                    @ ^ [Y5: $i] :
                                        ( ( ( Y2 = Y5 )
                                          & Y1 )
                                        | ( ( Y3 = Y5 )
                                          & ~ Y1 ) ) ) )
                                & ( in @ Y4
                                  @ ( dsetconstr @ Y0
                                    @ ^ [Y5: $i] :
                                        ( ( ( Y2 = Y5 )
                                          & Y1 )
                                        | ( ( Y3 = Y5 )
                                          & ~ Y1 ) ) ) ) ) ) ) ) ) ) )
        @ X1 )
      = $true ),
    inference(pi_clausification,[status(thm)],[f51]) ).

thf(f51,plain,
    ( $true
    = ( !! @ $i
      @ ^ [Y0: $i] :
          ( !! @ $o
          @ ^ [Y1: $o] :
              ( !! @ $i
              @ ^ [Y2: $i] :
                  ( ( in @ Y2 @ Y0 )
                 => ( !! @ $i
                    @ ^ [Y3: $i] :
                        ( ( in @ Y3 @ Y0 )
                       => ( ?? @ $i
                          @ ^ [Y4: $i] :
                              ( ( ( setadjoin @ Y4 @ emptyset )
                                = ( dsetconstr @ Y0
                                  @ ^ [Y5: $i] :
                                      ( ( ( Y2 = Y5 )
                                        & Y1 )
                                      | ( ( Y3 = Y5 )
                                        & ~ Y1 ) ) ) )
                              & ( in @ Y4
                                @ ( dsetconstr @ Y0
                                  @ ^ [Y5: $i] :
                                      ( ( ( Y2 = Y5 )
                                        & Y1 )
                                      | ( ( Y3 = Y5 )
                                        & ~ Y1 ) ) ) ) ) ) ) ) ) ) ) ) ),
    inference(binary_proxy_clausification,[status(thm)],[f48]) ).

thf(f64,plain,
    ! [X2: $o,X3: $i,X1: $i,X4: $i] :
      ( ( ( in @ ( sK1 @ X1 @ X2 @ X3 @ X4 )
          @ ( dsetconstr @ X1
            @ ^ [Y0: $i] :
                ( ( ( X3 = Y0 )
                  & X2 )
                | ( ( X4 = Y0 )
                  & ~ X2 ) ) ) )
        = $true )
      | ( ( in @ X3 @ X1 )
        = $false )
      | ( ( in @ X4 @ X1 )
        = $false ) ),
    inference(binary_proxy_clausification,[status(thm)],[f63]) ).

thf(f78,plain,
    ( ( in @ sK5 @ sK3 )
    = $true ),
    inference(binary_proxy_clausification,[status(thm)],[f76]) ).

thf(f76,plain,
    ( ( ( in @ sK5 @ sK3 )
     => ( in
        @ ( setunion
          @ ( dsetconstr @ sK3
            @ ^ [Y0: $i] :
                ( ( ( sK4 = Y0 )
                  & sK2 )
                | ( ( sK5 = Y0 )
                  & ~ sK2 ) ) ) )
        @ sK3 ) )
    = $false ),
    inference(beta_eta_normalization,[status(thm)],[f75]) ).

thf(f75,plain,
    ( ( ^ [Y0: $i] :
          ( ( in @ Y0 @ sK3 )
         => ( in
            @ ( setunion
              @ ( dsetconstr @ sK3
                @ ^ [Y1: $i] :
                    ( ( ( sK4 = Y1 )
                      & sK2 )
                    | ( ( Y0 = Y1 )
                      & ~ sK2 ) ) ) )
            @ sK3 ) )
      @ sK5 )
    = $false ),
    inference(sigma_clausification,[status(thm)],[f73]) ).

thf(f73,plain,
    ( ( !! @ $i
      @ ^ [Y0: $i] :
          ( ( in @ Y0 @ sK3 )
         => ( in
            @ ( setunion
              @ ( dsetconstr @ sK3
                @ ^ [Y1: $i] :
                    ( ( ( sK4 = Y1 )
                      & sK2 )
                    | ( ( Y0 = Y1 )
                      & ~ sK2 ) ) ) )
            @ sK3 ) ) )
    = $false ),
    inference(binary_proxy_clausification,[status(thm)],[f72]) ).

thf(f367,plain,
    ~ spl0_6,
    inference(avatar_contradiction_clause,[status(thm)],[f366]) ).

thf(f366,plain,
    ( $false
    | ~ spl0_6 ),
    inference(trivial_inequality_removal,[status(thm)],[f362]) ).

thf(f362,plain,
    ( ( $true = $false )
    | ~ spl0_6 ),
    inference(backward_demodulation,[status(thm)],[f78,f351]) ).

thf(f351,plain,
    ( ( ( in @ sK5 @ sK3 )
      = $false )
    | ~ spl0_6 ),
    inference(trivial_inequality_removal,[status(thm)],[f350]) ).

thf(f350,plain,
    ( ( $true = $false )
    | ( ( in @ sK5 @ sK3 )
      = $false )
    | ~ spl0_6 ),
    inference(forward_demodulation,[status(thm)],[f348,f74]) ).

thf(f348,plain,
    ( ( ( in @ sK5 @ sK3 )
      = $false )
    | ( $false
      = ( in @ sK4 @ sK3 ) )
    | ~ spl0_6 ),
    inference(trivial_inequality_removal,[status(thm)],[f344]) ).

thf(f344,plain,
    ( ( ( in @ sK5 @ sK3 )
      = $false )
    | ( $false
      = ( in @ sK4 @ sK3 ) )
    | ( $true = $false )
    | ~ spl0_6 ),
    inference(superposition,[status(thm)],[f324,f117]) ).

thf(f117,plain,
    ! [X2: $o,X3: $i,X0: $i,X1: $i] :
      ( ( $true
        = ( subset @ ( setadjoin @ ( sK1 @ X0 @ X2 @ X1 @ X3 ) @ emptyset ) @ X0 ) )
      | ( ( in @ X1 @ X0 )
        = $false )
      | ( $false
        = ( in @ X3 @ X0 ) ) ),
    inference(superposition,[status(thm)],[f89,f66]) ).

thf(f89,plain,
    ! [X2: $i,X1: $i > $o] :
      ( $true
      = ( subset @ ( dsetconstr @ X2 @ X1 ) @ X2 ) ),
    inference(beta_eta_normalization,[status(thm)],[f88]) ).

thf(f88,plain,
    ! [X2: $i,X1: $i > $o] :
      ( $true
      = ( ^ [Y0: $i] : ( subset @ ( dsetconstr @ Y0 @ X1 ) @ Y0 )
        @ X2 ) ),
    inference(pi_clausification,[status(thm)],[f87]) ).

thf(f87,plain,
    ! [X1: $i > $o] :
      ( ( !! @ $i
        @ ^ [Y0: $i] : ( subset @ ( dsetconstr @ Y0 @ X1 ) @ Y0 ) )
      = $true ),
    inference(beta_eta_normalization,[status(thm)],[f86]) ).

thf(f86,plain,
    ! [X1: $i > $o] :
      ( ( ^ [Y0: $i > $o] :
            ( !! @ $i
            @ ^ [Y1: $i] : ( subset @ ( dsetconstr @ Y1 @ Y0 ) @ Y1 ) )
        @ X1 )
      = $true ),
    inference(pi_clausification,[status(thm)],[f47]) ).

thf(f47,plain,
    ( $true
    = ( !! @ ( $i > $o )
      @ ^ [Y0: $i > $o] :
          ( !! @ $i
          @ ^ [Y1: $i] : ( subset @ ( dsetconstr @ Y1 @ Y0 ) @ Y1 ) ) ) ),
    inference(binary_proxy_clausification,[status(thm)],[f36]) ).

thf(f324,plain,
    ( ( $false
      = ( subset @ ( setadjoin @ ( sK1 @ sK3 @ sK2 @ sK4 @ sK5 ) @ emptyset ) @ sK3 ) )
    | ~ spl0_6 ),
    inference(avatar_component_clause,[status(thm)],[f322]) ).

thf(f322,definition,
    ( spl0_6
  <=> ( $false
      = ( subset @ ( setadjoin @ ( sK1 @ sK3 @ sK2 @ sK4 @ sK5 ) @ emptyset ) @ sK3 ) ) ),
    introduced(definition,[new_symbols(naming,[spl0_6])],[avatar_definition]) ).

thf(f330,plain,
    ( spl0_5
    | spl0_6 ),
    inference(avatar_split_clause,[status(thm)],[f311,f322,f318]) ).

thf(f311,plain,
    ( ( $false
      = ( in @ ( sK1 @ sK3 @ sK2 @ sK4 @ sK5 ) @ ( setadjoin @ ( sK1 @ sK3 @ sK2 @ sK4 @ sK5 ) @ emptyset ) ) )
    | ( $false
      = ( subset @ ( setadjoin @ ( sK1 @ sK3 @ sK2 @ sK4 @ sK5 ) @ emptyset ) @ sK3 ) ) ),
    inference(trivial_inequality_removal,[status(thm)],[f307]) ).

thf(f307,plain,
    ( ( $true = $false )
    | ( $false
      = ( in @ ( sK1 @ sK3 @ sK2 @ sK4 @ sK5 ) @ ( setadjoin @ ( sK1 @ sK3 @ sK2 @ sK4 @ sK5 ) @ emptyset ) ) )
    | ( $false
      = ( subset @ ( setadjoin @ ( sK1 @ sK3 @ sK2 @ sK4 @ sK5 ) @ emptyset ) @ sK3 ) ) ),
    inference(superposition,[status(thm)],[f144,f95]) ).

thf(f95,plain,
    ! [X0: $i] :
      ( ( $true
        = ( in @ ( setunion @ ( setadjoin @ X0 @ emptyset ) ) @ ( setadjoin @ X0 @ emptyset ) ) )
      | ( ( in @ X0 @ ( setadjoin @ X0 @ emptyset ) )
        = $false ) ),
    inference(equality_resolution,[status(thm)],[f85]) ).

thf(f85,plain,
    ! [X2: $i,X1: $i] :
      ( ( ( setadjoin @ X2 @ emptyset )
       != X1 )
      | ( ( in @ X2 @ X1 )
        = $false )
      | ( $true
        = ( in @ ( setunion @ X1 ) @ X1 ) ) ),
    inference(equality_proxy_clausification,[status(thm)],[f84]) ).

thf(f84,plain,
    ! [X2: $i,X1: $i] :
      ( ( ( in @ X2 @ X1 )
        = $false )
      | ( $true
        = ( in @ ( setunion @ X1 ) @ X1 ) )
      | ( $false
        = ( ( setadjoin @ X2 @ emptyset )
          = X1 ) ) ),
    inference(binary_proxy_clausification,[status(thm)],[f83]) ).

thf(f83,plain,
    ! [X2: $i,X1: $i] :
      ( ( $false
        = ( ( ( setadjoin @ X2 @ emptyset )
            = X1 )
          & ( in @ X2 @ X1 ) ) )
      | ( $true
        = ( in @ ( setunion @ X1 ) @ X1 ) ) ),
    inference(beta_eta_normalization,[status(thm)],[f82]) ).

thf(f82,plain,
    ! [X2: $i,X1: $i] :
      ( ( $false
        = ( ^ [Y0: $i] :
              ( ( ( setadjoin @ Y0 @ emptyset )
                = X1 )
              & ( in @ Y0 @ X1 ) )
          @ X2 ) )
      | ( $true
        = ( in @ ( setunion @ X1 ) @ X1 ) ) ),
    inference(pi_clausification,[status(thm)],[f81]) ).

thf(f81,plain,
    ! [X1: $i] :
      ( ( $true
        = ( in @ ( setunion @ X1 ) @ X1 ) )
      | ( $false
        = ( ?? @ $i
          @ ^ [Y0: $i] :
              ( ( ( setadjoin @ Y0 @ emptyset )
                = X1 )
              & ( in @ Y0 @ X1 ) ) ) ) ),
    inference(binary_proxy_clausification,[status(thm)],[f80]) ).

thf(f80,plain,
    ! [X1: $i] :
      ( $true
      = ( ( ?? @ $i
          @ ^ [Y0: $i] :
              ( ( ( setadjoin @ Y0 @ emptyset )
                = X1 )
              & ( in @ Y0 @ X1 ) ) )
       => ( in @ ( setunion @ X1 ) @ X1 ) ) ),
    inference(beta_eta_normalization,[status(thm)],[f79]) ).

thf(f79,plain,
    ! [X1: $i] :
      ( ( ^ [Y0: $i] :
            ( ( ?? @ $i
              @ ^ [Y1: $i] :
                  ( ( ( setadjoin @ Y1 @ emptyset )
                    = Y0 )
                  & ( in @ Y1 @ Y0 ) ) )
           => ( in @ ( setunion @ Y0 ) @ Y0 ) )
        @ X1 )
      = $true ),
    inference(pi_clausification,[status(thm)],[f49]) ).

thf(f49,plain,
    ( $true
    = ( !! @ $i
      @ ^ [Y0: $i] :
          ( ( ?? @ $i
            @ ^ [Y1: $i] :
                ( ( ( setadjoin @ Y1 @ emptyset )
                  = Y0 )
                & ( in @ Y1 @ Y0 ) ) )
         => ( in @ ( setunion @ Y0 ) @ Y0 ) ) ) ),
    inference(binary_proxy_clausification,[status(thm)],[f46]) ).

thf(f144,plain,
    ! [X0: $i] :
      ( ( $false
        = ( in @ ( setunion @ ( setadjoin @ ( sK1 @ sK3 @ sK2 @ sK4 @ sK5 ) @ emptyset ) ) @ X0 ) )
      | ( $false
        = ( subset @ X0 @ sK3 ) ) ),
    inference(trivial_inequality_removal,[status(thm)],[f143]) ).

thf(f143,plain,
    ! [X0: $i] :
      ( ( $true = $false )
      | ( $false
        = ( in @ ( setunion @ ( setadjoin @ ( sK1 @ sK3 @ sK2 @ sK4 @ sK5 ) @ emptyset ) ) @ X0 ) )
      | ( $false
        = ( subset @ X0 @ sK3 ) ) ),
    inference(superposition,[status(thm)],[f45,f139]) ).

thf(f139,plain,
    ( $false
    = ( in @ ( setunion @ ( setadjoin @ ( sK1 @ sK3 @ sK2 @ sK4 @ sK5 ) @ emptyset ) ) @ sK3 ) ),
    inference(equality_resolution,[status(thm)],[f130]) ).

thf(f130,plain,
    ! [X0: $o] :
      ( ( ( ^ [Y0: $i] : X0 )
       != ( ^ [Y0: $i] : sK2 ) )
      | ( $false
        = ( in @ ( setunion @ ( setadjoin @ ( sK1 @ sK3 @ X0 @ sK4 @ sK5 ) @ emptyset ) ) @ sK3 ) ) ),
    inference(trivial_inequality_removal,[status(thm)],[f129]) ).

thf(f129,plain,
    ! [X0: $o] :
      ( ( ( ^ [Y0: $i] : X0 )
       != ( ^ [Y0: $i] : sK2 ) )
      | ( $false
        = ( in @ ( setunion @ ( setadjoin @ ( sK1 @ sK3 @ X0 @ sK4 @ sK5 ) @ emptyset ) ) @ sK3 ) )
      | ( $true = $false ) ),
    inference(forward_demodulation,[status(thm)],[f128,f74]) ).

thf(f128,plain,
    ! [X0: $o] :
      ( ( $false
        = ( in @ ( setunion @ ( setadjoin @ ( sK1 @ sK3 @ X0 @ sK4 @ sK5 ) @ emptyset ) ) @ sK3 ) )
      | ( ( ^ [Y0: $i] : X0 )
       != ( ^ [Y0: $i] : sK2 ) )
      | ( $false
        = ( in @ sK4 @ sK3 ) ) ),
    inference(trivial_inequality_removal,[status(thm)],[f127]) ).

thf(f127,plain,
    ! [X0: $o] :
      ( ( $true = $false )
      | ( ( ^ [Y0: $i] : X0 )
       != ( ^ [Y0: $i] : sK2 ) )
      | ( $false
        = ( in @ ( setunion @ ( setadjoin @ ( sK1 @ sK3 @ X0 @ sK4 @ sK5 ) @ emptyset ) ) @ sK3 ) )
      | ( $false
        = ( in @ sK4 @ sK3 ) ) ),
    inference(forward_demodulation,[status(thm)],[f125,f78]) ).

thf(f125,plain,
    ! [X0: $o] :
      ( ( ( ^ [Y0: $i] : X0 )
       != ( ^ [Y0: $i] : sK2 ) )
      | ( ( in @ sK5 @ sK3 )
        = $false )
      | ( $false
        = ( in @ sK4 @ sK3 ) )
      | ( $false
        = ( in @ ( setunion @ ( setadjoin @ ( sK1 @ sK3 @ X0 @ sK4 @ sK5 ) @ emptyset ) ) @ sK3 ) ) ),
    inference(duplicate_literal_removal,[status(thm)],[f121]) ).

thf(f121,plain,
    ! [X0: $o] :
      ( ( $false
        = ( in @ ( setunion @ ( setadjoin @ ( sK1 @ sK3 @ X0 @ sK4 @ sK5 ) @ emptyset ) ) @ sK3 ) )
      | ( ( ^ [Y0: $i] : X0 )
       != ( ^ [Y0: $i] : sK2 ) )
      | ( $false
        = ( in @ sK4 @ sK3 ) )
      | ( ( ^ [Y0: $i] : X0 )
       != ( ^ [Y0: $i] : sK2 ) )
      | ( ( in @ sK5 @ sK3 )
        = $false ) ),
    inference(constrained_superposition,[status(thm)],[f77,f66]) ).

thf(f77,plain,
    ( ( in
      @ ( setunion
        @ ( dsetconstr @ sK3
          @ ^ [Y0: $i] :
              ( ( ( sK4 = Y0 )
                & sK2 )
              | ( ( sK5 = Y0 )
                & ~ sK2 ) ) ) )
      @ sK3 )
    = $false ),
    inference(binary_proxy_clausification,[status(thm)],[f76]) ).

thf(f45,plain,
    ! [X2: $i,X3: $i,X1: $i] :
      ( ( $true
        = ( in @ X2 @ X3 ) )
      | ( ( subset @ X1 @ X3 )
        = $false )
      | ( ( in @ X2 @ X1 )
        = $false ) ),
    inference(binary_proxy_clausification,[status(thm)],[f44]) ).

thf(f44,plain,
    ! [X2: $i,X3: $i,X1: $i] :
      ( ( ( ( in @ X2 @ X1 )
         => ( in @ X2 @ X3 ) )
        = $true )
      | ( ( subset @ X1 @ X3 )
        = $false ) ),
    inference(binary_proxy_clausification,[status(thm)],[f43]) ).

thf(f43,plain,
    ! [X2: $i,X3: $i,X1: $i] :
      ( $true
      = ( ( subset @ X1 @ X3 )
       => ( ( in @ X2 @ X1 )
         => ( in @ X2 @ X3 ) ) ) ),
    inference(beta_eta_normalization,[status(thm)],[f42]) ).

thf(f42,plain,
    ! [X2: $i,X3: $i,X1: $i] :
      ( $true
      = ( ^ [Y0: $i] :
            ( ( subset @ X1 @ Y0 )
           => ( ( in @ X2 @ X1 )
             => ( in @ X2 @ Y0 ) ) )
        @ X3 ) ),
    inference(pi_clausification,[status(thm)],[f41]) ).

thf(f41,plain,
    ! [X2: $i,X1: $i] :
      ( ( !! @ $i
        @ ^ [Y0: $i] :
            ( ( subset @ X1 @ Y0 )
           => ( ( in @ X2 @ X1 )
             => ( in @ X2 @ Y0 ) ) ) )
      = $true ),
    inference(beta_eta_normalization,[status(thm)],[f40]) ).

thf(f40,plain,
    ! [X2: $i,X1: $i] :
      ( $true
      = ( ^ [Y0: $i] :
            ( !! @ $i
            @ ^ [Y1: $i] :
                ( ( subset @ X1 @ Y1 )
               => ( ( in @ Y0 @ X1 )
                 => ( in @ Y0 @ Y1 ) ) ) )
        @ X2 ) ),
    inference(pi_clausification,[status(thm)],[f39]) ).

thf(f39,plain,
    ! [X1: $i] :
      ( $true
      = ( !! @ $i
        @ ^ [Y0: $i] :
            ( !! @ $i
            @ ^ [Y1: $i] :
                ( ( subset @ X1 @ Y1 )
               => ( ( in @ Y0 @ X1 )
                 => ( in @ Y0 @ Y1 ) ) ) ) ) ),
    inference(beta_eta_normalization,[status(thm)],[f38]) ).

thf(f38,plain,
    ! [X1: $i] :
      ( $true
      = ( ^ [Y0: $i] :
            ( !! @ $i
            @ ^ [Y1: $i] :
                ( !! @ $i
                @ ^ [Y2: $i] :
                    ( ( subset @ Y0 @ Y2 )
                   => ( ( in @ Y1 @ Y0 )
                     => ( in @ Y1 @ Y2 ) ) ) ) )
        @ X1 ) ),
    inference(pi_clausification,[status(thm)],[f37]) ).

thf(f37,plain,
    ( $true
    = ( !! @ $i
      @ ^ [Y0: $i] :
          ( !! @ $i
          @ ^ [Y1: $i] :
              ( !! @ $i
              @ ^ [Y2: $i] :
                  ( ( subset @ Y0 @ Y2 )
                 => ( ( in @ Y1 @ Y0 )
                   => ( in @ Y1 @ Y2 ) ) ) ) ) ) ),
    inference(binary_proxy_clausification,[status(thm)],[f35]) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.11  % Problem  : SEU705^2 : TPTP v9.2.1. Released v3.7.0.
% 0.11/0.12  % Command  : /export/starexec/sandbox/solver/bin/run_DT2H2X /export/starexec/sandbox/benchmark/theBenchmark.p 300
% 0.15/0.32  % Computer : n013.cluster.edu
% 0.15/0.32  % Model    : x86_64 x86_64
% 0.15/0.32  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.15/0.32  % Memory   : 8042.1875MB
% 0.15/0.32  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.15/0.32  % CPULimit : 300
% 0.15/0.32  % WCLimit  : 300
% 0.15/0.32  % DateTime : Tue Feb 24 12:31:23 EST 2026
% 0.15/0.32  % CPUTime  : 
% 0.15/0.32  Running /export/starexec/sandbox/solver/bin/run_DT2H2X /export/starexec/sandbox/benchmark/theBenchmark.p 300
% 0.18/0.46  ---- Original DTF file ---
% 0.18/0.46  thf(spec,logic,$$dhol).
% 0.18/0.46  %------------------------------------------------------------------------------
% 0.18/0.46  % File     : SEU705^2 : TPTP v9.2.1. Released v3.7.0.
% 0.18/0.46  % Domain   : Set Theory
% 0.18/0.46  % Problem  : Conditionals
% 0.18/0.46  % Version  : Especial > Reduced > Especial.
% 0.18/0.46  % English  : (! A:i.! phi:o.! x:i.in x A -> (! y:i.in y A ->
% 0.18/0.46  %            in (if A phi x y) A))
% 0.18/0.46  
% 0.18/0.46  % Refs     : [Bro08] Brown (2008), Email to G. Sutcliffe
% 0.18/0.46  % Source   : [Bro08]
% 0.18/0.46  % Names    : ZFC207l [Bro08]
% 0.18/0.46  
% 0.18/0.46  % Status   : Theorem
% 0.18/0.46  % Rating   : 0.22 v9.1.0, 0.25 v9.0.0, 0.40 v8.2.0, 0.46 v8.1.0, 0.45 v7.5.0, 0.29 v7.4.0, 0.22 v7.2.0, 0.25 v7.0.0, 0.14 v6.4.0, 0.17 v6.3.0, 0.20 v6.2.0, 0.29 v5.5.0, 0.33 v5.4.0, 0.40 v5.3.0, 0.60 v4.1.0, 0.33 v4.0.0, 0.67 v3.7.0
% 0.18/0.46  % Syntax   : Number of formulae    :   19 (   6 unt;  12 typ;   6 def)
% 0.18/0.46  %            Number of atoms       :   33 (  11 equ;   0 cnn)
% 0.18/0.46  %            Maximal formula atoms :    7 (   4 avg)
% 0.18/0.46  %            Number of connectives :   59 (   2   ~;   2   |;   5   &;  39   @)
% 0.18/0.46  %                                         (   0 <=>;  11  =>;   0  <=;   0 <~>)
% 0.18/0.46  %            Maximal formula depth :   17 (   3 avg)
% 0.18/0.46  %            Number of types       :    2 (   0 usr)
% 0.18/0.46  %            Number of type conns  :   16 (  16   >;   0   *;   0   +;   0  <<)
% 0.18/0.46  %            Number of symbols     :   13 (  12 usr;   5 con; 0-4 aty)
% 0.18/0.46  %            Number of variables   :   23 (   8   ^;  14   !;   1   ?;  23   :)
% 0.18/0.46  % SPC      : TH0_THM_EQU_NAR
% 0.18/0.46  
% 0.18/0.46  % Comments : http://mathgate.info/detsetitem.php?id=261
% 0.18/0.46  %------------------------------------------------------------------------------
% 0.18/0.46  thf(in_type,type,
% 0.18/0.46      in: $i > $i > $o ).
% 0.18/0.46  
% 0.18/0.46  thf(emptyset_type,type,
% 0.18/0.46      emptyset: $i ).
% 0.18/0.46  
% 0.18/0.46  thf(setadjoin_type,type,
% 0.18/0.46      setadjoin: $i > $i > $i ).
% 0.18/0.46  
% 0.18/0.46  thf(setunion_type,type,
% 0.18/0.46      setunion: $i > $i ).
% 0.18/0.46  
% 0.18/0.46  thf(dsetconstr_type,type,
% 0.18/0.46      dsetconstr: $i > ( $i > $o ) > $i ).
% 0.18/0.46  
% 0.18/0.46  thf(subset_type,type,
% 0.18/0.46      subset: $i > $i > $o ).
% 0.18/0.46  
% 0.18/0.46  thf(subsetE_type,type,
% 0.18/0.46      subsetE: $o ).
% 0.18/0.46  
% 0.18/0.46  thf(subsetE,definition,
% 0.18/0.46      ( subsetE
% 0.18/0.46      = ( ! [A: $i,B: $i,Xx: $i] :
% 0.18/0.46            ( ( subset @ A @ B )
% 0.18/0.46           => ( ( in @ Xx @ A )
% 0.18/0.46             => ( in @ Xx @ B ) ) ) ) ) ).
% 0.18/0.46  
% 0.18/0.46  thf(sepSubset_type,type,
% 0.18/0.46      sepSubset: $o ).
% 0.18/0.46  
% 0.18/0.46  thf(sepSubset,definition,
% 0.18/0.46      ( sepSubset
% 0.18/0.46      = ( ! [A: $i,Xphi: $i > $o] :
% 0.18/0.46            ( subset
% 0.18/0.46            @ ( dsetconstr @ A
% 0.18/0.46              @ ^ [Xx: $i] : ( Xphi @ Xx ) )
% 0.18/0.46            @ A ) ) ) ).
% 0.18/0.46  
% 0.18/0.46  thf(singleton_type,type,
% 0.18/0.46      singleton: $i > $o ).
% 0.18/0.46  
% 0.18/0.46  thf(singleton,definition,
% 0.18/0.46      ( singleton
% 0.18/0.46      = ( ^ [A: $i] :
% 0.18/0.46          ? [Xx: $i] :
% 0.18/0.46            ( ( in @ Xx @ A )
% 0.18/0.46            & ( A
% 0.18/0.46              = ( setadjoin @ Xx @ emptyset ) ) ) ) ) ).
% 0.18/0.46  
% 0.18/0.46  thf(theprop_type,type,
% 0.18/0.46      theprop: $o ).
% 0.18/0.46  
% 0.18/0.46  thf(theprop,definition,
% 0.18/0.46      ( theprop
% 0.18/0.46      = ( ! [X: $i] :
% 0.18/0.46            ( ( singleton @ X )
% 0.18/0.46           => ( in @ ( setunion @ X ) @ X ) ) ) ) ).
% 0.18/0.46  
% 0.18/0.46  thf(ifSingleton_type,type,
% 0.18/0.46      ifSingleton: $o ).
% 0.18/0.46  
% 0.18/0.46  thf(ifSingleton,definition,
% 0.18/0.46      ( ifSingleton
% 0.18/0.46      = ( ! [A: $i,Xphi: $o,Xx: $i] :
% 0.18/0.46            ( ( in @ Xx @ A )
% 0.18/0.46           => ! [Xy: $i] :
% 0.18/0.46                ( ( in @ Xy @ A )
% 0.18/0.46               => ( singleton
% 0.18/0.46                  @ ( dsetconstr @ A
% 0.18/0.46                    @ ^ [Xz: $i] :
% 0.18/0.46                        ( ( Xphi
% 0.18/0.46                          & ( Xz = Xx ) )
% 0.18/0.46                        | ( ~ Xphi
% 0.18/0.46                          & ( Xz = Xy ) ) ) ) ) ) ) ) ) ).
% 0.18/0.46  
% 0.18/0.46  thf(if_type,type,
% 0.18/0.46      if: $i > $o > $i > $i > $i ).
% 0.18/0.46  
% 0.18/0.46  thf(if,definition,
% 0.18/0.46      ( if
% 0.18/0.46      = ( ^ [A: $i,Xphi: $o,Xx: $i,Xy: $i] :
% 0.18/0.46            ( setunion
% 0.18/0.46            @ ( dsetconstr @ A
% 0.18/0.46              @ ^ [Xz: $i] :
% 0.18/0.46                  ( ( Xphi
% 0.18/0.46                    & ( Xz = Xx ) )
% 0.18/0.46                  | ( ~ Xphi
% 0.18/0.46                    & ( Xz = Xy ) ) ) ) ) ) ) ).
% 0.18/0.46  
% 0.18/0.46  thf(ifp,conjecture,
% 0.18/0.46      ( subsetE
% 0.18/0.46     => ( sepSubset
% 0.18/0.46       => ( theprop
% 0.18/0.46         => ( ifSingleton
% 0.18/0.46           => ! [A: $i,Xphi: $o,Xx: $i] :
% 0.18/0.46                ( ( in @ Xx @ A )
% 0.18/0.46               => ! [Xy: $i] :
% 0.18/0.46                    ( ( in @ Xy @ A )
% 0.18/0.46                   => ( in @ ( if @ A @ Xphi @ Xx @ Xy ) @ A ) ) ) ) ) ) ) ).
% 0.18/0.46  
% 0.18/0.46  %------------------------------------------------------------------------------
% 0.18/0.46  ------------------------
% 1.77/1.45  ---- Embedded in THF ---
% 1.77/1.45  %%% This output was generated by embedproblem, version 1.9.5 (library version 1.9).
% 1.77/1.45  %%% Generated on Tue Feb 24 12:31:24 EST 2026
% 1.77/1.45  %%% using '$$dhol' embedding, version 1.3.0.
% 1.77/1.45  %%% Logic specification used:
% 1.77/1.45  %%% thf(spec, logic, $$dhol).
% 1.77/1.45  
% 1.77/1.45  % SZS output start ListOfTHF for /export/starexec/sandbox/tmp/tmp.ph90K1Mmp4/DTF2DTF3057.p
% See solution above
% 1.77/1.45  ------------------------
% 1.77/1.46  ---- Cleaned THF ---
% 1.77/1.46  thf(in_type,type,
% 1.77/1.46      in: $i > $i > $o ).
% 1.77/1.46  
% 1.77/1.46  thf(emptyset_type,type,
% 1.77/1.46      emptyset: $i ).
% 1.77/1.46  
% 1.77/1.46  thf(setadjoin_type,type,
% 1.77/1.46      setadjoin: $i > $i > $i ).
% 1.77/1.46  
% 1.77/1.46  thf(setunion_type,type,
% 1.77/1.46      setunion: $i > $i ).
% 1.77/1.46  
% 1.77/1.46  thf(dsetconstr_type,type,
% 1.77/1.46      dsetconstr: $i > ( $i > $o ) > $i ).
% 1.77/1.46  
% 1.77/1.46  thf(subset_type,type,
% 1.77/1.46      subset: $i > $i > $o ).
% 1.77/1.46  
% 1.77/1.46  thf(subsetE_type,type,
% 1.77/1.46      subsetE: $o ).
% 1.77/1.46  
% 1.77/1.46  thf(subsetE,definition,
% 1.77/1.46      ( subsetE
% 1.77/1.46      = ( ! [A: $i,B: $i,Xx: $i] :
% 1.77/1.46            ( ( subset @ A @ B )
% 1.77/1.46           => ( ( in @ Xx @ A )
% 1.77/1.46             => ( in @ Xx @ B ) ) ) ) ) ).
% 1.77/1.46  
% 1.77/1.46  thf(sepSubset_type,type,
% 1.77/1.46      sepSubset: $o ).
% 1.77/1.46  
% 1.77/1.46  thf(sepSubset,definition,
% 1.77/1.46      ( sepSubset
% 1.77/1.46      = ( ! [A: $i,Xphi: $i > $o] :
% 1.77/1.46            ( subset
% 1.77/1.46            @ ( dsetconstr @ A
% 1.77/1.46              @ ^ [Xx: $i] : ( Xphi @ Xx ) )
% 1.77/1.46            @ A ) ) ) ).
% 1.77/1.46  
% 1.77/1.46  thf(singleton_type,type,
% 1.77/1.46      singleton: $i > $o ).
% 1.77/1.46  
% 1.77/1.46  thf(singleton,definition,
% 1.77/1.46      ( singleton
% 1.77/1.46      = ( ^ [A: $i] :
% 1.77/1.46          ? [Xx: $i] :
% 1.77/1.46            ( ( in @ Xx @ A )
% 1.77/1.46            & ( A
% 1.77/1.46              = ( setadjoin @ Xx @ emptyset ) ) ) ) ) ).
% 1.77/1.46  
% 1.77/1.46  thf(theprop_type,type,
% 1.77/1.46      theprop: $o ).
% 1.77/1.46  
% 1.77/1.46  thf(theprop,definition,
% 1.77/1.46      ( theprop
% 1.77/1.46      = ( ! [X: $i] :
% 1.77/1.46            ( ( singleton @ X )
% 1.77/1.46           => ( in @ ( setunion @ X ) @ X ) ) ) ) ).
% 1.77/1.46  
% 1.77/1.46  thf(ifSingleton_type,type,
% 1.77/1.46      ifSingleton: $o ).
% 1.77/1.46  
% 1.77/1.46  thf(ifSingleton,definition,
% 1.77/1.46      ( ifSingleton
% 1.77/1.46      = ( ! [A: $i,Xphi: $o,Xx: $i] :
% 1.77/1.46            ( ( in @ Xx @ A )
% 1.77/1.46           => ! [Xy: $i] :
% 1.77/1.46                ( ( in @ Xy @ A )
% 1.77/1.46               => ( singleton
% 1.77/1.46                  @ ( dsetconstr @ A
% 1.77/1.46                    @ ^ [Xz: $i] :
% 1.77/1.46                        ( ( Xphi
% 1.77/1.46                          & ( Xz = Xx ) )
% 1.77/1.46                        | ( ~ Xphi
% 1.77/1.46                          & ( Xz = Xy ) ) ) ) ) ) ) ) ) ).
% 1.77/1.46  
% 1.77/1.46  thf(if_type,type,
% 1.77/1.46      if: $i > $o > $i > $i > $i ).
% 1.77/1.46  
% 1.77/1.46  thf(if,definition,
% 1.77/1.46      ( if
% 1.77/1.46      = ( ^ [A: $i,Xphi: $o,Xx: $i,Xy: $i] :
% 1.77/1.46            ( setunion
% 1.77/1.46            @ ( dsetconstr @ A
% 1.77/1.46              @ ^ [Xz: $i] :
% 1.77/1.46                  ( ( Xphi
% 1.77/1.46                    & ( Xz = Xx ) )
% 1.77/1.46                  | ( ~ Xphi
% 1.77/1.46                    & ( Xz = Xy ) ) ) ) ) ) ) ).
% 1.77/1.46  
% 1.77/1.46  thf(ifp,conjecture,
% 1.77/1.46      ( subsetE
% 1.77/1.46     => ( sepSubset
% 1.77/1.46       => ( theprop
% 1.77/1.46         => ( ifSingleton
% 1.77/1.46           => ! [A: $i,Xphi: $o,Xx: $i] :
% 1.77/1.46                ( ( in @ Xx @ A )
% 1.77/1.46               => ! [Xy: $i] :
% 1.77/1.46                    ( ( in @ Xy @ A )
% 1.77/1.46                   => ( in @ ( if @ A @ Xphi @ Xx @ Xy ) @ A ) ) ) ) ) ) ) ).
% 1.77/1.46  ------------------------
% 1.77/1.48  % (3196)lrs+10_1:1_au=on:inj=on:i=2:si=on:rtra=on_0 on DTF2THF_3057 for (2999ds/2Mi)
% 1.77/1.48  % (3194)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_3057 for (2999ds/4Mi)
% 1.77/1.48  % (3197)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_3057 for (2999ds/2Mi)
% 1.77/1.48  % (3195)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_3057 for (2999ds/27Mi)
% 1.77/1.48  % (3193)lrs+1002_1:8_bd=off:fd=off:hud=10:tnu=1:i=183:si=on:rtra=on_0 on DTF2THF_3057 for (2999ds/183Mi)
% 1.77/1.48  % (3198)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_3057 for (2999ds/275Mi)
% 1.77/1.48  % (3199)lrs+1004_1:128_cond=on:e2e=on:sp=weighted_frequency:i=18:si=on:rtra=on_0 on DTF2THF_3057 for (2999ds/18Mi)
% 1.77/1.48  % (3196)Instruction limit reached!
% 1.77/1.48  % (3196)------------------------------
% 1.77/1.48  % (3196)Version: Vampire 4.8 (commit 7b44b1c2f on 2025-07-15 09:50:17 +0100)
% 1.77/1.48  % (3196)Termination reason: Unknown
% 1.77/1.48  % (3196)Termination phase: shuffling
% 1.77/1.48  
% 1.77/1.48  % (3197)Instruction limit reached!
% 1.77/1.48  % (3197)------------------------------
% 1.77/1.48  % (3197)Version: Vampire 4.8 (commit 7b44b1c2f on 2025-07-15 09:50:17 +0100)
% 1.77/1.48  % (3197)Termination reason: Unknown
% 1.77/1.48  % (3197)Termination phase: shuffling
% 1.77/1.48  
% 1.77/1.48  % (3197)Memory used [KB]: 1023
% 1.77/1.48  % (3197)Time elapsed: 0.002 s
% 1.77/1.48  % (3197)Instructions burned: 2 (million)
% 1.77/1.48  % (3197)------------------------------
% 1.77/1.48  % (3197)------------------------------
% 1.77/1.48  % (3196)Memory used [KB]: 1023
% 1.77/1.48  % (3196)Time elapsed: 0.003 s
% 1.77/1.48  % (3196)Instructions burned: 2 (million)
% 1.77/1.48  % (3196)------------------------------
% 1.77/1.48  % (3196)------------------------------
% 1.77/1.48  % (3194)Instruction limit reached!
% 1.77/1.48  % (3194)------------------------------
% 1.77/1.48  % (3194)Version: Vampire 4.8 (commit 7b44b1c2f on 2025-07-15 09:50:17 +0100)
% 1.77/1.48  % (3194)Termination reason: Unknown
% 1.77/1.48  % (3194)Termination phase: Saturation
% 1.77/1.48  
% 1.77/1.48  % (3194)Memory used [KB]: 5500
% 1.77/1.48  % (3194)Time elapsed: 0.004 s
% 1.77/1.48  % (3194)Instructions burned: 5 (million)
% 1.77/1.48  % (3194)------------------------------
% 1.77/1.48  % (3194)------------------------------
% 1.77/1.49  % (3199)Instruction limit reached!
% 1.77/1.49  % (3199)------------------------------
% 1.77/1.49  % (3199)Version: Vampire 4.8 (commit 7b44b1c2f on 2025-07-15 09:50:17 +0100)
% 1.77/1.49  % (3199)Termination reason: Unknown
% 1.77/1.49  % (3199)Termination phase: Saturation
% 1.77/1.49  
% 1.77/1.49  % (3199)Memory used [KB]: 5628
% 1.77/1.49  % (3199)Time elapsed: 0.011 s
% 1.77/1.49  % (3199)Instructions burned: 18 (million)
% 1.77/1.49  % (3199)------------------------------
% 1.77/1.49  % (3199)------------------------------
% 1.77/1.49  % (3195)Instruction limit reached!
% 1.77/1.49  % (3195)------------------------------
% 1.77/1.49  % (3195)Version: Vampire 4.8 (commit 7b44b1c2f on 2025-07-15 09:50:17 +0100)
% 1.77/1.49  % (3195)Termination reason: Unknown
% 1.77/1.49  % (3195)Termination phase: Saturation
% 1.77/1.49  
% 1.77/1.49  % (3195)Memory used [KB]: 5628
% 1.77/1.49  % (3195)Time elapsed: 0.016 s
% 1.77/1.49  % (3195)Instructions burned: 28 (million)
% 1.77/1.49  % (3195)------------------------------
% 1.77/1.49  % (3195)------------------------------
% 1.77/1.49  % (3200)lrs+10_1:1_bet=on:cnfonf=off:fd=off:hud=5:inj=on:i=3:si=on:rtra=on_0 on DTF2THF_3057 for (2999ds/3Mi)
% 1.77/1.49  % (3201)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_3057 for (2999ds/37Mi)
% 1.77/1.50  % (3200)Instruction limit reached!
% 1.77/1.50  % (3200)------------------------------
% 1.77/1.50  % (3200)Version: Vampire 4.8 (commit 7b44b1c2f on 2025-07-15 09:50:17 +0100)
% 1.77/1.50  % (3202)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_3057 for (2999ds/15Mi)
% 1.77/1.50  % (3200)Termination reason: Unknown
% 1.77/1.50  % (3200)Termination phase: Property scanning
% 1.77/1.50  
% 1.77/1.50  % (3200)Memory used [KB]: 1023
% 1.77/1.50  % (3200)Time elapsed: 0.003 s
% 1.77/1.50  % (3200)Instructions burned: 4 (million)
% 1.77/1.50  % (3200)------------------------------
% 1.77/1.50  % (3200)------------------------------
% 1.86/1.50  % (3202)Instruction limit reached!
% 1.86/1.50  % (3202)------------------------------
% 1.86/1.50  % (3202)Version: Vampire 4.8 (commit 7b44b1c2f on 2025-07-15 09:50:17 +0100)
% 1.86/1.50  % (3203)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_3057 for (2999ds/3Mi)
% 1.86/1.50  % (3202)Termination reason: Unknown
% 1.86/1.50  % (3202)Termination phase: Saturation
% 1.86/1.50  
% 1.86/1.50  % (3202)Memory used [KB]: 5756
% 1.86/1.50  % (3202)Time elapsed: 0.009 s
% 1.86/1.50  % (3202)Instructions burned: 15 (million)
% 1.86/1.50  % (3202)------------------------------
% 1.86/1.50  % (3202)------------------------------
% 1.86/1.51  % (3203)Instruction limit reached!
% 1.86/1.51  % (3203)------------------------------
% 1.86/1.51  % (3203)Version: Vampire 4.8 (commit 7b44b1c2f on 2025-07-15 09:50:17 +0100)
% 1.86/1.51  % (3203)Termination reason: Unknown
% 1.86/1.51  % (3203)Termination phase: Property scanning
% 1.86/1.51  
% 1.86/1.51  % (3203)Memory used [KB]: 1023
% 1.86/1.51  % (3203)Time elapsed: 0.003 s
% 1.86/1.51  % (3203)Instructions burned: 3 (million)
% 1.86/1.51  % (3203)------------------------------
% 1.86/1.51  % (3203)------------------------------
% 1.86/1.51  % (3204)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_3057 for (2999ds/1041Mi)
% 1.86/1.51  % (3205)lrs+10_1:1_av=off:chr=on:plsq=on:slsq=on:i=7:si=on:rtra=on_0 on DTF2THF_3057 for (2999ds/7Mi)
% 1.86/1.51  % (3201)Instruction limit reached!
% 1.86/1.51  % (3201)------------------------------
% 1.86/1.51  % (3201)Version: Vampire 4.8 (commit 7b44b1c2f on 2025-07-15 09:50:17 +0100)
% 1.86/1.51  % (3201)Termination reason: Unknown
% 1.86/1.51  % (3201)Termination phase: Saturation
% 1.86/1.51  
% 1.86/1.51  % (3201)Memory used [KB]: 5756
% 1.86/1.51  % (3201)Time elapsed: 0.020 s
% 1.86/1.51  % (3201)Instructions burned: 38 (million)
% 1.86/1.51  % (3201)------------------------------
% 1.86/1.51  % (3201)------------------------------
% 1.86/1.52  % (3205)Instruction limit reached!
% 1.86/1.52  % (3205)------------------------------
% 1.86/1.52  % (3205)Version: Vampire 4.8 (commit 7b44b1c2f on 2025-07-15 09:50:17 +0100)
% 1.86/1.52  % (3205)Termination reason: Unknown
% 1.86/1.52  % (3205)Termination phase: Saturation
% 1.86/1.52  
% 1.86/1.52  % (3205)Memory used [KB]: 1023
% 1.86/1.52  % (3205)Time elapsed: 0.006 s
% 1.86/1.52  % (3205)Instructions burned: 8 (million)
% 1.86/1.52  % (3205)------------------------------
% 1.86/1.52  % (3205)------------------------------
% 1.86/1.52  % (3206)lrs+10_1:1_acc=on:amm=sco:cs=on:tgt=full:i=16:si=on:rtra=on_0 on DTF2THF_3057 for (2999ds/16Mi)
% 1.86/1.52  % (3207)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_3057 for (2999ds/3Mi)
% 1.86/1.52  % (3207)Instruction limit reached!
% 1.86/1.52  % (3207)------------------------------
% 1.86/1.52  % (3207)Version: Vampire 4.8 (commit 7b44b1c2f on 2025-07-15 09:50:17 +0100)
% 1.86/1.52  % (3207)Termination reason: Unknown
% 1.86/1.52  % (3207)Termination phase: Property scanning
% 1.86/1.52  
% 1.86/1.52  % (3207)Memory used [KB]: 1023
% 1.86/1.52  % (3207)Time elapsed: 0.003 s
% 1.86/1.52  % (3207)Instructions burned: 3 (million)
% 1.86/1.52  % (3207)------------------------------
% 1.86/1.52  % (3207)------------------------------
% 1.86/1.53  % (3206)Instruction limit reached!
% 1.86/1.53  % (3206)------------------------------
% 1.86/1.53  % (3206)Version: Vampire 4.8 (commit 7b44b1c2f on 2025-07-15 09:50:17 +0100)
% 1.86/1.53  % (3206)Termination reason: Unknown
% 1.86/1.53  % (3206)Termination phase: Saturation
% 1.86/1.53  
% 1.86/1.53  % (3206)Memory used [KB]: 5884
% 1.86/1.53  % (3206)Time elapsed: 0.010 s
% 1.86/1.53  % (3206)Instructions burned: 16 (million)
% 1.86/1.53  % (3206)------------------------------
% 1.86/1.53  % (3206)------------------------------
% 1.86/1.53  % (3208)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_3057 for (2999ds/3Mi)
% 1.86/1.53  % (3208)Instruction limit reached!
% 1.86/1.53  % (3208)------------------------------
% 1.86/1.53  % (3208)Version: Vampire 4.8 (commit 7b44b1c2f on 2025-07-15 09:50:17 +0100)
% 1.86/1.53  % (3208)Termination reason: Unknown
% 1.86/1.53  % (3208)Termination phase: Property scanning
% 1.86/1.53  
% 1.86/1.53  % (3208)Memory used [KB]: 1023
% 1.86/1.53  % (3208)Time elapsed: 0.003 s
% 1.86/1.53  % (3208)Instructions burned: 3 (million)
% 1.86/1.53  % (3208)------------------------------
% 1.86/1.53  % (3208)------------------------------
% 1.86/1.53  % (3209)lrs+10_1:1_cnfonf=off:cs=on:hud=3:prag=on:sup=off:i=7:si=on:rtra=on_0 on DTF2THF_3057 for (2999ds/7Mi)
% 1.86/1.53  % (3209)Refutation not found, incomplete strategy
% 1.86/1.53  % (3209)------------------------------
% 1.86/1.53  % (3209)Version: Vampire 4.8 (commit 7b44b1c2f on 2025-07-15 09:50:17 +0100)
% 1.86/1.53  % (3209)Termination reason: Refutation not found, incomplete strategy
% 1.86/1.53  
% 1.86/1.53  
% 1.86/1.53  % (3209)Memory used [KB]: 5500
% 1.86/1.53  % (3209)Time elapsed: 0.004 s
% 1.86/1.53  % (3209)Instructions burned: 6 (million)
% 1.86/1.53  % (3209)------------------------------
% 1.86/1.53  % (3209)------------------------------
% 1.86/1.54  % (3210)dis+1002_1:1_add=large:cnfonf=lazy_pi_sigma_gen:fe=off:prag=on:i=3:si=on:rtra=on_0 on DTF2THF_3057 for (2999ds/3Mi)
% 1.86/1.54  % (3210)Instruction limit reached!
% 1.86/1.54  % (3210)------------------------------
% 1.86/1.54  % (3210)Version: Vampire 4.8 (commit 7b44b1c2f on 2025-07-15 09:50:17 +0100)
% 1.86/1.54  % (3210)Termination reason: Unknown
% 1.86/1.54  % (3210)Termination phase: Function definition elimination
% 1.86/1.54  
% 1.86/1.54  % (3210)Memory used [KB]: 1023
% 1.86/1.54  % (3210)Time elapsed: 0.003 s
% 1.86/1.54  % (3210)Instructions burned: 4 (million)
% 1.86/1.54  % (3210)------------------------------
% 1.86/1.54  % (3210)------------------------------
% 1.86/1.54  % (3211)dis+1004_1:1_cha=on:cs=on:fe=off:hud=1:i=4:si=on:rtra=on_0 on DTF2THF_3057 for (2999ds/4Mi)
% 1.86/1.55  % (3211)Instruction limit reached!
% 1.86/1.55  % (3211)------------------------------
% 1.86/1.55  % (3211)Version: Vampire 4.8 (commit 7b44b1c2f on 2025-07-15 09:50:17 +0100)
% 1.86/1.55  % (3211)Termination reason: Unknown
% 1.86/1.55  % (3211)Termination phase: Function definition elimination
% 1.86/1.55  
% 1.86/1.55  % (3211)Memory used [KB]: 1023
% 1.86/1.55  % (3211)Time elapsed: 0.003 s
% 1.86/1.55  % (3211)Instructions burned: 4 (million)
% 1.86/1.55  % (3211)------------------------------
% 1.86/1.55  % (3211)------------------------------
% 1.86/1.55  % (3212)lrs+1002_1:1_anc=all_dependent:au=on:cbe=off:fde=unused:ntd=on:i=18:si=on:rtra=on_0 on DTF2THF_3057 for (2999ds/18Mi)
% 1.86/1.55  % (3213)lrs+10_1:1_e2e=on:sd=1:sgt=8:ss=axioms:i=710:si=on:rtra=on_0 on DTF2THF_3057 for (2999ds/710Mi)
% 1.86/1.56  % (3212)Instruction limit reached!
% 1.86/1.56  % (3212)------------------------------
% 1.86/1.56  % (3212)Version: Vampire 4.8 (commit 7b44b1c2f on 2025-07-15 09:50:17 +0100)
% 1.86/1.56  % (3214)lrs+1004_1:1_chr=on:prag=on:i=6:si=on:rtra=on_0 on DTF2THF_3057 for (2999ds/6Mi)
% 1.86/1.56  % (3212)Termination reason: Unknown
% 1.86/1.56  % (3212)Termination phase: Saturation
% 1.86/1.56  
% 1.86/1.56  % (3212)Memory used [KB]: 5628
% 1.86/1.56  % (3212)Time elapsed: 0.011 s
% 1.86/1.56  % (3212)Instructions burned: 18 (million)
% 1.86/1.56  % (3212)------------------------------
% 1.86/1.56  % (3212)------------------------------
% 1.86/1.56  % (3214)Instruction limit reached!
% 1.86/1.56  % (3214)------------------------------
% 1.86/1.56  % (3214)Version: Vampire 4.8 (commit 7b44b1c2f on 2025-07-15 09:50:17 +0100)
% 1.86/1.56  % (3214)Termination reason: Unknown
% 1.86/1.56  % (3214)Termination phase: Saturation
% 1.86/1.56  
% 1.86/1.56  % (3214)Memory used [KB]: 5500
% 1.86/1.56  % (3214)Time elapsed: 0.005 s
% 1.86/1.56  % (3214)Instructions burned: 8 (million)
% 1.86/1.56  % (3214)------------------------------
% 1.86/1.56  % (3214)------------------------------
% 1.86/1.56  % (3215)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_3057 for (2999ds/902Mi)
% 1.86/1.56  % (3193)Instruction limit reached!
% 1.86/1.56  % (3193)------------------------------
% 1.86/1.56  % (3193)Version: Vampire 4.8 (commit 7b44b1c2f on 2025-07-15 09:50:17 +0100)
% 1.86/1.56  % (3193)Termination reason: Unknown
% 1.86/1.56  % (3193)Termination phase: Saturation
% 1.86/1.56  
% 1.86/1.56  % (3193)Memory used [KB]: 6140
% 1.86/1.56  % (3193)Time elapsed: 0.088 s
% 1.86/1.56  % (3193)Instructions burned: 183 (million)
% 1.86/1.56  % (3193)------------------------------
% 1.86/1.56  % (3193)------------------------------
% 1.86/1.57  % (3198)Instruction limit reached!
% 1.86/1.57  % (3198)------------------------------
% 1.86/1.57  % (3198)Version: Vampire 4.8 (commit 7b44b1c2f on 2025-07-15 09:50:17 +0100)
% 1.86/1.57  % (3198)Termination reason: Unknown
% 1.86/1.57  % (3198)Termination phase: Saturation
% 1.86/1.57  
% 1.86/1.57  % (3198)Memory used [KB]: 5756
% 1.86/1.57  % (3198)Time elapsed: 0.091 s
% 1.86/1.57  % (3198)Instructions burned: 278 (million)
% 1.86/1.57  % (3198)------------------------------
% 1.86/1.57  % (3198)------------------------------
% 1.86/1.57  % (3216)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_3057 for (2999ds/21Mi)
% 1.86/1.58  % (3217)dis+10_1:1_cnfonf=lazy_gen:fe=off:i=5:si=on:rtra=on_0 on DTF2THF_3057 for (2999ds/5Mi)
% 1.86/1.58  % (3217)Instruction limit reached!
% 1.86/1.58  % (3217)------------------------------
% 1.86/1.58  % (3217)Version: Vampire 4.8 (commit 7b44b1c2f on 2025-07-15 09:50:17 +0100)
% 1.86/1.58  % (3217)Termination reason: Unknown
% 1.86/1.58  % (3217)Termination phase: Saturation
% 1.86/1.58  
% 1.86/1.58  % (3217)Memory used [KB]: 5500
% 1.86/1.58  % (3217)Time elapsed: 0.004 s
% 1.86/1.58  % (3217)Instructions burned: 6 (million)
% 1.86/1.58  % (3217)------------------------------
% 1.86/1.58  % (3217)------------------------------
% 1.86/1.58  % (3218)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_3057 for (2999ds/6Mi)
% 1.86/1.58  % (3219)lrs+1002_1:128_au=on:c=on:fsr=off:piset=equals:i=377:si=on:rtra=on_0 on DTF2THF_3057 for (2999ds/377Mi)
% 1.86/1.58  % (3218)Instruction limit reached!
% 1.86/1.58  % (3218)------------------------------
% 1.86/1.58  % (3218)Version: Vampire 4.8 (commit 7b44b1c2f on 2025-07-15 09:50:17 +0100)
% 1.86/1.58  % (3216)Instruction limit reached!
% 1.86/1.58  % (3216)------------------------------
% 1.86/1.58  % (3216)Version: Vampire 4.8 (commit 7b44b1c2f on 2025-07-15 09:50:17 +0100)
% 1.86/1.58  % (3218)Termination reason: Unknown
% 1.86/1.58  % (3218)Termination phase: Saturation
% 1.86/1.58  
% 1.86/1.58  % (3218)Memory used [KB]: 5500
% 1.86/1.58  % (3218)Time elapsed: 0.005 s
% 1.86/1.58  % (3218)Instructions burned: 8 (million)
% 1.86/1.58  % (3218)------------------------------
% 1.86/1.58  % (3218)------------------------------
% 1.86/1.58  % (3216)Termination reason: Unknown
% 1.86/1.58  % (3216)Termination phase: Saturation
% 1.86/1.58  
% 1.86/1.58  % (3216)Memory used [KB]: 5628
% 1.86/1.58  % (3216)Time elapsed: 0.013 s
% 1.86/1.58  % (3216)Instructions burned: 22 (million)
% 1.86/1.58  % (3216)------------------------------
% 1.86/1.58  % (3216)------------------------------
% 1.86/1.59  % (3220)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_3057 for (2998ds/779Mi)
% 1.86/1.60  % (3221)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_3057 for (2998ds/19Mi)
% 1.86/1.60  % (3222)lrs+1010_1:1_au=on:s2a=on:sd=1:sgt=50:ss=axioms:i=879:si=on:rtra=on_0 on DTF2THF_3057 for (2998ds/879Mi)
% 1.86/1.61  % (3221)Refutation not found, incomplete strategy
% 1.86/1.61  % (3221)------------------------------
% 1.86/1.61  % (3221)Version: Vampire 4.8 (commit 7b44b1c2f on 2025-07-15 09:50:17 +0100)
% 1.86/1.61  % (3221)Termination reason: Refutation not found, incomplete strategy
% 1.86/1.61  
% 1.86/1.61  
% 1.86/1.61  % (3221)Memory used [KB]: 5628
% 1.86/1.61  % (3221)Time elapsed: 0.009 s
% 1.86/1.61  % (3221)Instructions burned: 15 (million)
% 1.86/1.61  % (3221)------------------------------
% 1.86/1.61  % (3221)------------------------------
% 1.86/1.62  % (3223)dis+1002_1:128_acc=on:er=filter:i=17:si=on:rtra=on_0 on DTF2THF_3057 for (2998ds/17Mi)
% 1.86/1.63  % (3223)Instruction limit reached!
% 1.86/1.63  % (3223)------------------------------
% 1.86/1.63  % (3223)Version: Vampire 4.8 (commit 7b44b1c2f on 2025-07-15 09:50:17 +0100)
% 1.86/1.63  % (3223)Termination reason: Unknown
% 1.86/1.63  % (3223)Termination phase: Saturation
% 1.86/1.63  
% 1.86/1.63  % (3223)Memory used [KB]: 5628
% 1.86/1.63  % (3223)Time elapsed: 0.035 s
% 1.86/1.63  % (3223)Instructions burned: 18 (million)
% 1.86/1.63  % (3223)------------------------------
% 1.86/1.63  % (3223)------------------------------
% 1.86/1.65  % (3224)ott+21_1:1_apa=on:au=on:cnfonf=off:sos=on:i=3:si=on:rtra=on_0 on DTF2THF_3057 for (2998ds/3Mi)
% 1.86/1.65  % (3224)Instruction limit reached!
% 1.86/1.65  % (3224)------------------------------
% 1.86/1.65  % (3224)Version: Vampire 4.8 (commit 7b44b1c2f on 2025-07-15 09:50:17 +0100)
% 1.86/1.65  % (3224)Termination reason: Unknown
% 1.86/1.65  % (3224)Termination phase: Preprocessing 3
% 1.86/1.65  
% 1.86/1.65  % (3224)Memory used [KB]: 1023
% 1.86/1.65  % (3224)Time elapsed: 0.003 s
% 1.86/1.65  % (3224)Instructions burned: 3 (million)
% 1.86/1.65  % (3224)------------------------------
% 1.86/1.65  % (3224)------------------------------
% 1.86/1.67  % (3225)lrs+1010_1:8_cnfonf=off:hud=1:inj=on:tnu=5:i=30:si=on:rtra=on_0 on DTF2THF_3057 for (2998ds/30Mi)
% 1.86/1.67  % (3225)Refutation not found, incomplete strategy
% 1.86/1.67  % (3225)------------------------------
% 1.86/1.67  % (3225)Version: Vampire 4.8 (commit 7b44b1c2f on 2025-07-15 09:50:17 +0100)
% 1.86/1.67  % (3225)Termination reason: Refutation not found, incomplete strategy
% 1.86/1.67  
% 1.86/1.67  
% 1.86/1.67  % (3225)Memory used [KB]: 5500
% 1.86/1.67  % (3225)Time elapsed: 0.005 s
% 1.86/1.67  % (3225)Instructions burned: 7 (million)
% 1.86/1.67  % (3225)------------------------------
% 1.86/1.67  % (3225)------------------------------
% 1.86/1.69  % (3226)dis+10_1:1_ixr=off:plsq=on:plsqc=1:plsqr=32,1:s2a=on:i=127:si=on:rtra=on_0 on DTF2THF_3057 for (2997ds/127Mi)
% 1.86/1.72  % (3220)First to succeed.
% 1.86/1.72  % (3220)Refutation found. Thanks to Tanya!
% 1.86/1.72  % SZS status Theorem for DTF2THF_3057
% 1.86/1.72  % SZS output start Proof for DTF2THF_3057
% 1.86/1.72  thf(func_def_0, type, in: $i > $i > $o).
% 1.86/1.72  thf(func_def_2, type, setadjoin: $i > $i > $i).
% 1.86/1.72  thf(func_def_3, type, setunion: $i > $i).
% 1.86/1.72  thf(func_def_4, type, dsetconstr: $i > ($i > $o) > $i).
% 1.86/1.72  thf(func_def_5, type, subset: $i > $i > $o).
% 1.86/1.72  thf(func_def_9, type, singleton: $i > $o).
% 1.86/1.72  thf(func_def_12, type, if: $i > $o > $i > $i > $i).
% 1.86/1.72  thf(func_def_31, type, sK1: $i > $o > $i > $i > $i).
% 1.86/1.72  thf(func_def_36, type, ph6: !>[X0: $tType]:(X0)).
% 1.86/1.72  thf(f602,plain,(
% 1.86/1.72    $false),
% 1.86/1.72    inference(avatar_sat_refutation,[status(thm)],[f330,f367,f599])).
% 1.86/1.72  thf(f599,plain,(
% 1.86/1.72    ~spl0_5),
% 1.86/1.72    inference(avatar_contradiction_clause,[status(thm)],[f598])).
% 1.86/1.72  thf(f598,plain,(
% 1.86/1.72    $false | ~spl0_5),
% 1.86/1.72    inference(trivial_inequality_removal,[status(thm)],[f593])).
% 1.86/1.72  thf(f593,plain,(
% 1.86/1.72    ($true = $false) | ~spl0_5),
% 1.86/1.72    inference(backward_demodulation,[status(thm)],[f78,f590])).
% 1.86/1.72  thf(f590,plain,(
% 1.86/1.72    ((in @ sK5 @ sK3) = $false) | ~spl0_5),
% 1.86/1.72    inference(trivial_inequality_removal,[status(thm)],[f589])).
% 1.86/1.72  thf(f589,plain,(
% 1.86/1.72    ((in @ sK5 @ sK3) = $false) | ($true = $false) | ~spl0_5),
% 1.86/1.72    inference(forward_demodulation,[status(thm)],[f569,f74])).
% 1.86/1.72  thf(f74,plain,(
% 1.86/1.72    ($true = (in @ sK4 @ sK3))),
% 1.86/1.72    inference(binary_proxy_clausification,[status(thm)],[f72])).
% 1.86/1.72  thf(f72,plain,(
% 1.86/1.72    (((in @ sK4 @ sK3) => (!! @ $i @ (^[Y0 : $i]: ((in @ Y0 @ sK3) => (in @ (setunion @ (dsetconstr @ sK3 @ (^[Y1 : $i]: (((sK4 = Y1) & sK2) | ((Y0 = Y1) & (~ sK2)))))) @ sK3))))) = $false)),
% 1.86/1.72    inference(beta_eta_normalization,[status(thm)],[f71])).
% 1.86/1.72  thf(f71,plain,(
% 1.86/1.72    (((^[Y0 : $i]: ((in @ Y0 @ sK3) => (!! @ $i @ (^[Y1 : $i]: ((in @ Y1 @ sK3) => (in @ (setunion @ (dsetconstr @ sK3 @ (^[Y2 : $i]: (((Y0 = Y2) & sK2) | ((Y1 = Y2) & (~ sK2)))))) @ sK3)))))) @ sK4) = $false)),
% 1.86/1.72    inference(sigma_clausification,[status(thm)],[f70])).
% 1.86/1.72  thf(f70,plain,(
% 1.86/1.72    ((!! @ $i @ (^[Y0 : $i]: ((in @ Y0 @ sK3) => (!! @ $i @ (^[Y1 : $i]: ((in @ Y1 @ sK3) => (in @ (setunion @ (dsetconstr @ sK3 @ (^[Y2 : $i]: (((Y0 = Y2) & sK2) | ((Y1 = Y2) & (~ sK2)))))) @ sK3))))))) = $false)),
% 1.86/1.72    inference(beta_eta_normalization,[status(thm)],[f69])).
% 1.86/1.72  thf(f69,plain,(
% 1.86/1.72    ($false = ((^[Y0 : $i]: (!! @ $i @ (^[Y1 : $i]: ((in @ Y1 @ Y0) => (!! @ $i @ (^[Y2 : $i]: ((in @ Y2 @ Y0) => (in @ (setunion @ (dsetconstr @ Y0 @ (^[Y3 : $i]: (((Y1 = Y3) & sK2) | ((Y2 = Y3) & (~ sK2)))))) @ Y0)))))))) @ sK3))),
% 1.86/1.72    inference(sigma_clausification,[status(thm)],[f68])).
% 1.86/1.72  thf(f68,plain,(
% 1.86/1.72    ($false = (!! @ $i @ (^[Y0 : $i]: (!! @ $i @ (^[Y1 : $i]: ((in @ Y1 @ Y0) => (!! @ $i @ (^[Y2 : $i]: ((in @ Y2 @ Y0) => (in @ (setunion @ (dsetconstr @ Y0 @ (^[Y3 : $i]: (((Y1 = Y3) & sK2) | ((Y2 = Y3) & (~ sK2)))))) @ Y0))))))))))),
% 1.86/1.72    inference(beta_eta_normalization,[status(thm)],[f67])).
% 1.86/1.72  thf(f67,plain,(
% 1.86/1.72    (((^[Y0 : $o]: (!! @ $i @ (^[Y1 : $i]: (!! @ $i @ (^[Y2 : $i]: ((in @ Y2 @ Y1) => (!! @ $i @ (^[Y3 : $i]: ((in @ Y3 @ Y1) => (in @ (setunion @ (dsetconstr @ Y1 @ (^[Y4 : $i]: (((Y2 = Y4) & Y0) | ((Y3 = Y4) & (~ Y0)))))) @ Y1)))))))))) @ sK2) = $false)),
% 1.86/1.72    inference(sigma_clausification,[status(thm)],[f50])).
% 1.86/1.72  thf(f50,plain,(
% 1.86/1.72    ($false = (!! @ $o @ (^[Y0 : $o]: (!! @ $i @ (^[Y1 : $i]: (!! @ $i @ (^[Y2 : $i]: ((in @ Y2 @ Y1) => (!! @ $i @ (^[Y3 : $i]: ((in @ Y3 @ Y1) => (in @ (setunion @ (dsetconstr @ Y1 @ (^[Y4 : $i]: (((Y2 = Y4) & Y0) | ((Y3 = Y4) & (~ Y0)))))) @ Y1))))))))))))),
% 1.86/1.72    inference(binary_proxy_clausification,[status(thm)],[f48])).
% 1.86/1.72  thf(f48,plain,(
% 1.86/1.72    (((!! @ $i @ (^[Y0 : $i]: (!! @ $o @ (^[Y1 : $o]: (!! @ $i @ (^[Y2 : $i]: ((in @ Y2 @ Y0) => (!! @ $i @ (^[Y3 : $i]: ((in @ Y3 @ Y0) => (?? @ $i @ (^[Y4 : $i]: (((setadjoin @ Y4 @ emptyset) = (dsetconstr @ Y0 @ (^[Y5 : $i]: (((Y2 = Y5) & Y1) | ((Y3 = Y5) & (~ Y1)))))) & (in @ Y4 @ (dsetconstr @ Y0 @ (^[Y5 : $i]: (((Y2 = Y5) & Y1) | ((Y3 = Y5) & (~ Y1))))))))))))))))))) => (!! @ $o @ (^[Y0 : $o]: (!! @ $i @ (^[Y1 : $i]: (!! @ $i @ (^[Y2 : $i]: ((in @ Y2 @ Y1) => (!! @ $i @ (^[Y3 : $i]: ((in @ Y3 @ Y1) => (in @ (setunion @ (dsetconstr @ Y1 @ (^[Y4 : $i]: (((Y2 = Y4) & Y0) | ((Y3 = Y4) & (~ Y0)))))) @ Y1)))))))))))) = $false)),
% 1.86/1.72    inference(binary_proxy_clausification,[status(thm)],[f46])).
% 1.86/1.72  thf(f46,plain,(
% 1.86/1.72    ($false = ((!! @ $i @ (^[Y0 : $i]: ((?? @ $i @ (^[Y1 : $i]: (((setadjoin @ Y1 @ emptyset) = Y0) & (in @ Y1 @ Y0)))) => (in @ (setunion @ Y0) @ Y0)))) => ((!! @ $i @ (^[Y0 : $i]: (!! @ $o @ (^[Y1 : $o]: (!! @ $i @ (^[Y2 : $i]: ((in @ Y2 @ Y0) => (!! @ $i @ (^[Y3 : $i]: ((in @ Y3 @ Y0) => (?? @ $i @ (^[Y4 : $i]: (((setadjoin @ Y4 @ emptyset) = (dsetconstr @ Y0 @ (^[Y5 : $i]: (((Y2 = Y5) & Y1) | ((Y3 = Y5) & (~ Y1)))))) & (in @ Y4 @ (dsetconstr @ Y0 @ (^[Y5 : $i]: (((Y2 = Y5) & Y1) | ((Y3 = Y5) & (~ Y1))))))))))))))))))) => (!! @ $o @ (^[Y0 : $o]: (!! @ $i @ (^[Y1 : $i]: (!! @ $i @ (^[Y2 : $i]: ((in @ Y2 @ Y1) => (!! @ $i @ (^[Y3 : $i]: ((in @ Y3 @ Y1) => (in @ (setunion @ (dsetconstr @ Y1 @ (^[Y4 : $i]: (((Y2 = Y4) & Y0) | ((Y3 = Y4) & (~ Y0)))))) @ Y1))))))))))))))),
% 1.86/1.72    inference(binary_proxy_clausification,[status(thm)],[f36])).
% 1.86/1.72  thf(f36,plain,(
% 1.86/1.72    ($false = ((!! @ ($i > $o) @ (^[Y0 : $i > $o]: (!! @ $i @ (^[Y1 : $i]: (subset @ (dsetconstr @ Y1 @ Y0) @ Y1))))) => ((!! @ $i @ (^[Y0 : $i]: ((?? @ $i @ (^[Y1 : $i]: (((setadjoin @ Y1 @ emptyset) = Y0) & (in @ Y1 @ Y0)))) => (in @ (setunion @ Y0) @ Y0)))) => ((!! @ $i @ (^[Y0 : $i]: (!! @ $o @ (^[Y1 : $o]: (!! @ $i @ (^[Y2 : $i]: ((in @ Y2 @ Y0) => (!! @ $i @ (^[Y3 : $i]: ((in @ Y3 @ Y0) => (?? @ $i @ (^[Y4 : $i]: (((setadjoin @ Y4 @ emptyset) = (dsetconstr @ Y0 @ (^[Y5 : $i]: (((Y2 = Y5) & Y1) | ((Y3 = Y5) & (~ Y1)))))) & (in @ Y4 @ (dsetconstr @ Y0 @ (^[Y5 : $i]: (((Y2 = Y5) & Y1) | ((Y3 = Y5) & (~ Y1))))))))))))))))))) => (!! @ $o @ (^[Y0 : $o]: (!! @ $i @ (^[Y1 : $i]: (!! @ $i @ (^[Y2 : $i]: ((in @ Y2 @ Y1) => (!! @ $i @ (^[Y3 : $i]: ((in @ Y3 @ Y1) => (in @ (setunion @ (dsetconstr @ Y1 @ (^[Y4 : $i]: (((Y2 = Y4) & Y0) | ((Y3 = Y4) & (~ Y0)))))) @ Y1)))))))))))))))),
% 1.86/1.72    inference(binary_proxy_clausification,[status(thm)],[f35])).
% 1.86/1.72  thf(f35,plain,(
% 1.86/1.72    ($false = ((!! @ $i @ (^[Y0 : $i]: (!! @ $i @ (^[Y1 : $i]: (!! @ $i @ (^[Y2 : $i]: ((subset @ Y0 @ Y2) => ((in @ Y1 @ Y0) => (in @ Y1 @ Y2))))))))) => ((!! @ ($i > $o) @ (^[Y0 : $i > $o]: (!! @ $i @ (^[Y1 : $i]: (subset @ (dsetconstr @ Y1 @ Y0) @ Y1))))) => ((!! @ $i @ (^[Y0 : $i]: ((?? @ $i @ (^[Y1 : $i]: (((setadjoin @ Y1 @ emptyset) = Y0) & (in @ Y1 @ Y0)))) => (in @ (setunion @ Y0) @ Y0)))) => ((!! @ $i @ (^[Y0 : $i]: (!! @ $o @ (^[Y1 : $o]: (!! @ $i @ (^[Y2 : $i]: ((in @ Y2 @ Y0) => (!! @ $i @ (^[Y3 : $i]: ((in @ Y3 @ Y0) => (?? @ $i @ (^[Y4 : $i]: (((setadjoin @ Y4 @ emptyset) = (dsetconstr @ Y0 @ (^[Y5 : $i]: (((Y2 = Y5) & Y1) | ((Y3 = Y5) & (~ Y1)))))) & (in @ Y4 @ (dsetconstr @ Y0 @ (^[Y5 : $i]: (((Y2 = Y5) & Y1) | ((Y3 = Y5) & (~ Y1))))))))))))))))))) => (!! @ $o @ (^[Y0 : $o]: (!! @ $i @ (^[Y1 : $i]: (!! @ $i @ (^[Y2 : $i]: ((in @ Y2 @ Y1) => (!! @ $i @ (^[Y3 : $i]: ((in @ Y3 @ Y1) => (in @ (setunion @ (dsetconstr @ Y1 @ (^[Y4 : $i]: (((Y2 = Y4) & Y0) | ((Y3 = Y4) & (~ Y0)))))) @ Y1))))))))))))))))),
% 1.86/1.72    inference(not_proxy_clausification,[status(thm)],[f34])).
% 1.86/1.72  thf(f34,plain,(
% 1.86/1.72    ($true = (~ ((!! @ $i @ (^[Y0 : $i]: (!! @ $i @ (^[Y1 : $i]: (!! @ $i @ (^[Y2 : $i]: ((subset @ Y0 @ Y2) => ((in @ Y1 @ Y0) => (in @ Y1 @ Y2))))))))) => ((!! @ ($i > $o) @ (^[Y0 : $i > $o]: (!! @ $i @ (^[Y1 : $i]: (subset @ (dsetconstr @ Y1 @ Y0) @ Y1))))) => ((!! @ $i @ (^[Y0 : $i]: ((?? @ $i @ (^[Y1 : $i]: (((setadjoin @ Y1 @ emptyset) = Y0) & (in @ Y1 @ Y0)))) => (in @ (setunion @ Y0) @ Y0)))) => ((!! @ $i @ (^[Y0 : $i]: (!! @ $o @ (^[Y1 : $o]: (!! @ $i @ (^[Y2 : $i]: ((in @ Y2 @ Y0) => (!! @ $i @ (^[Y3 : $i]: ((in @ Y3 @ Y0) => (?? @ $i @ (^[Y4 : $i]: (((setadjoin @ Y4 @ emptyset) = (dsetconstr @ Y0 @ (^[Y5 : $i]: (((Y2 = Y5) & Y1) | ((Y3 = Y5) & (~ Y1)))))) & (in @ Y4 @ (dsetconstr @ Y0 @ (^[Y5 : $i]: (((Y2 = Y5) & Y1) | ((Y3 = Y5) & (~ Y1))))))))))))))))))) => (!! @ $o @ (^[Y0 : $o]: (!! @ $i @ (^[Y1 : $i]: (!! @ $i @ (^[Y2 : $i]: ((in @ Y2 @ Y1) => (!! @ $i @ (^[Y3 : $i]: ((in @ Y3 @ Y1) => (in @ (setunion @ (dsetconstr @ Y1 @ (^[Y4 : $i]: (((Y2 = Y4) & Y0) | ((Y3 = Y4) & (~ Y0)))))) @ Y1)))))))))))))))))),
% 1.86/1.72    inference(beta_eta_normalization,[status(thm)],[f33])).
% 1.86/1.72  thf(f33,plain,(
% 1.86/1.72    ($true = (~ ((!! @ $i @ (^[Y0 : $i]: (!! @ $i @ (^[Y1 : $i]: (!! @ $i @ (^[Y2 : $i]: ((subset @ Y0 @ Y2) => ((in @ Y1 @ Y0) => (in @ Y1 @ Y2))))))))) => ((!! @ ($i > $o) @ (^[Y0 : $i > $o]: (!! @ $i @ (^[Y1 : $i]: (subset @ (dsetconstr @ Y1 @ (^[Y2 : $i]: (Y0 @ Y2))) @ Y1))))) => ((!! @ $i @ (^[Y0 : $i]: (((^[Y1 : $i]: (?? @ $i @ (^[Y2 : $i]: (((setadjoin @ Y2 @ emptyset) = Y1) & (in @ Y2 @ Y1))))) @ Y0) => (in @ (setunion @ Y0) @ Y0)))) => ((!! @ $i @ (^[Y0 : $i]: (!! @ $o @ (^[Y1 : $o]: (!! @ $i @ (^[Y2 : $i]: ((in @ Y2 @ Y0) => (!! @ $i @ (^[Y3 : $i]: ((in @ Y3 @ Y0) => ((^[Y4 : $i]: (?? @ $i @ (^[Y5 : $i]: (((setadjoin @ Y5 @ emptyset) = Y4) & (in @ Y5 @ Y4))))) @ (dsetconstr @ Y0 @ (^[Y4 : $i]: (((Y2 = Y4) & Y1) | ((Y3 = Y4) & (~ Y1)))))))))))))))) => (!! @ $o @ (^[Y0 : $o]: (!! @ $i @ (^[Y1 : $i]: (!! @ $i @ (^[Y2 : $i]: ((in @ Y2 @ Y1) => (!! @ $i @ (^[Y3 : $i]: ((in @ Y3 @ Y1) => (in @ ((^[Y4 : $i]: ((^[Y5 : $o]: ((^[Y6 : $i]: ((^[Y7 : $i]: (setunion @ (dsetconstr @ Y4 @ (^[Y8 : $i]: (((Y6 = Y8) & Y5) | ((Y7 = Y8) & (~ Y5))))))))))))) @ Y1 @ Y0 @ Y2 @ Y3) @ Y1)))))))))))))))))),
% 1.86/1.72    inference(definition_unfolding,[status(thm)],[f24,f27,f28,f31,f32,f26])).
% 1.86/1.72  thf(f26,plain,(
% 1.86/1.72    (if = (^[Y0 : $i]: ((^[Y1 : $o]: ((^[Y2 : $i]: ((^[Y3 : $i]: (setunion @ (dsetconstr @ Y0 @ (^[Y4 : $i]: (((Y2 = Y4) & Y1) | ((Y3 = Y4) & (~ Y1))))))))))))))),
% 1.86/1.72    inference(cnf_transformation,[status(thm)],[f13])).
% 1.86/1.72  thf(f13,plain,(
% 1.86/1.72    (if = (^[Y0 : $i]: ((^[Y1 : $o]: ((^[Y2 : $i]: ((^[Y3 : $i]: (setunion @ (dsetconstr @ Y0 @ (^[Y4 : $i]: (((Y2 = Y4) & Y1) | ((Y3 = Y4) & (~ Y1))))))))))))))),
% 1.86/1.72    inference(fool_elimination,[status(thm)],[f12])).
% 1.86/1.72  thf(f12,plain,(
% 1.86/1.72    ((^[X0 : $i, X1 : $o, X2 : $i, X3 : $i] : (setunion @ (dsetconstr @ X0 @ (^[X4 : $i] : ((~X1 & (X3 = X4)) | (X1 & (X2 = X4))))))) = if)),
% 1.86/1.72    inference(rectify,[status(thm)],[f6])).
% 1.86/1.72  thf(f6,axiom,(
% 1.86/1.72    ((^[X0 : $i, X3 : $o, X2 : $i, X5 : $i] : (setunion @ (dsetconstr @ X0 @ (^[X6 : $i] : ((~X3 & (X5 = X6)) | (X3 & (X2 = X6))))))) = if)),
% 1.86/1.72    file('/export/starexec/sandbox/tmp/tmp.ph90K1Mmp4/DTF2THF_3057.p',if)).
% 1.86/1.72  thf(f32,plain,(
% 1.86/1.72    (ifSingleton = (!! @ $i @ (^[Y0 : $i]: (!! @ $o @ (^[Y1 : $o]: (!! @ $i @ (^[Y2 : $i]: ((in @ Y2 @ Y0) => (!! @ $i @ (^[Y3 : $i]: ((in @ Y3 @ Y0) => ((^[Y4 : $i]: (?? @ $i @ (^[Y5 : $i]: (((setadjoin @ Y5 @ emptyset) = Y4) & (in @ Y5 @ Y4))))) @ (dsetconstr @ Y0 @ (^[Y4 : $i]: (((Y2 = Y4) & Y1) | ((Y3 = Y4) & (~ Y1)))))))))))))))))),
% 1.86/1.72    inference(definition_unfolding,[status(thm)],[f25,f29])).
% 1.86/1.72  thf(f29,plain,(
% 1.86/1.72    (singleton = (^[Y0 : $i]: (?? @ $i @ (^[Y1 : $i]: (((setadjoin @ Y1 @ emptyset) = Y0) & (in @ Y1 @ Y0))))))),
% 1.86/1.72    inference(cnf_transformation,[status(thm)],[f19])).
% 1.86/1.72  thf(f19,plain,(
% 1.86/1.72    (singleton = (^[Y0 : $i]: (?? @ $i @ (^[Y1 : $i]: (((setadjoin @ Y1 @ emptyset) = Y0) & (in @ Y1 @ Y0))))))),
% 1.86/1.72    inference(fool_elimination,[status(thm)],[f18])).
% 1.86/1.72  thf(f18,plain,(
% 1.86/1.72    ((^[X0 : $i] : (? [X1 : $i] : ((in @ X1 @ X0) & ((setadjoin @ X1 @ emptyset) = X0)))) = singleton)),
% 1.86/1.72    inference(rectify,[status(thm)],[f3])).
% 1.86/1.72  thf(f3,axiom,(
% 1.86/1.72    ((^[X0 : $i] : (? [X2 : $i] : ((in @ X2 @ X0) & ((setadjoin @ X2 @ emptyset) = X0)))) = singleton)),
% 1.86/1.72    file('/export/starexec/sandbox/tmp/tmp.ph90K1Mmp4/DTF2THF_3057.p',singleton)).
% 1.86/1.72  thf(f25,plain,(
% 1.86/1.72    (ifSingleton = (!! @ $i @ (^[Y0 : $i]: (!! @ $o @ (^[Y1 : $o]: (!! @ $i @ (^[Y2 : $i]: ((in @ Y2 @ Y0) => (!! @ $i @ (^[Y3 : $i]: ((in @ Y3 @ Y0) => (singleton @ (dsetconstr @ Y0 @ (^[Y4 : $i]: (((Y2 = Y4) & Y1) | ((Y3 = Y4) & (~ Y1)))))))))))))))))),
% 1.86/1.72    inference(cnf_transformation,[status(thm)],[f21])).
% 1.86/1.72  thf(f21,plain,(
% 1.86/1.72    (ifSingleton = (!! @ $i @ (^[Y0 : $i]: (!! @ $o @ (^[Y1 : $o]: (!! @ $i @ (^[Y2 : $i]: ((in @ Y2 @ Y0) => (!! @ $i @ (^[Y3 : $i]: ((in @ Y3 @ Y0) => (singleton @ (dsetconstr @ Y0 @ (^[Y4 : $i]: (((Y2 = Y4) & Y1) | ((Y3 = Y4) & (~ Y1)))))))))))))))))),
% 1.86/1.72    inference(fool_elimination,[status(thm)],[f20])).
% 1.86/1.72  thf(f20,plain,(
% 1.86/1.72    (ifSingleton = ! [X0 : $i,X1 : $o,X2 : $i] : ((in @ X0 @ X2) => ! [X3 : $i] : ((in @ X3 @ X2) => (singleton @ (dsetconstr @ X2 @ (^[X4 : $i] : ((~X1 & (X3 = X4)) | (X1 & (X0 = X4)))))))))),
% 1.86/1.72    inference(rectify,[status(thm)],[f5])).
% 1.86/1.72  thf(f5,axiom,(
% 1.86/1.72    (ifSingleton = ! [X2 : $i,X3 : $o,X0 : $i] : ((in @ X2 @ X0) => ! [X5 : $i] : ((in @ X5 @ X0) => (singleton @ (dsetconstr @ X0 @ (^[X6 : $i] : ((~X3 & (X5 = X6)) | (X3 & (X2 = X6)))))))))),
% 1.86/1.72    file('/export/starexec/sandbox/tmp/tmp.ph90K1Mmp4/DTF2THF_3057.p',ifSingleton)).
% 1.86/1.72  thf(f31,plain,(
% 1.86/1.72    (theprop = (!! @ $i @ (^[Y0 : $i]: (((^[Y1 : $i]: (?? @ $i @ (^[Y2 : $i]: (((setadjoin @ Y2 @ emptyset) = Y1) & (in @ Y2 @ Y1))))) @ Y0) => (in @ (setunion @ Y0) @ Y0)))))),
% 1.86/1.72    inference(definition_unfolding,[status(thm)],[f30,f29])).
% 1.86/1.72  thf(f30,plain,(
% 1.86/1.72    (theprop = (!! @ $i @ (^[Y0 : $i]: ((singleton @ Y0) => (in @ (setunion @ Y0) @ Y0)))))),
% 1.86/1.72    inference(cnf_transformation,[status(thm)],[f23])).
% 1.86/1.72  thf(f23,plain,(
% 1.86/1.72    (theprop = (!! @ $i @ (^[Y0 : $i]: ((singleton @ Y0) => (in @ (setunion @ Y0) @ Y0)))))),
% 1.86/1.72    inference(fool_elimination,[status(thm)],[f22])).
% 1.86/1.72  thf(f22,plain,(
% 1.86/1.72    (! [X0 : $i] : ((singleton @ X0) => (in @ (setunion @ X0) @ X0)) = theprop)),
% 1.86/1.72    inference(rectify,[status(thm)],[f4])).
% 1.86/1.72  thf(f4,axiom,(
% 1.86/1.72    (! [X4 : $i] : ((singleton @ X4) => (in @ (setunion @ X4) @ X4)) = theprop)),
% 1.86/1.72    file('/export/starexec/sandbox/tmp/tmp.ph90K1Mmp4/DTF2THF_3057.p',theprop)).
% 1.86/1.72  thf(f28,plain,(
% 1.86/1.72    (sepSubset = (!! @ ($i > $o) @ (^[Y0 : $i > $o]: (!! @ $i @ (^[Y1 : $i]: (subset @ (dsetconstr @ Y1 @ (^[Y2 : $i]: (Y0 @ Y2))) @ Y1))))))),
% 1.86/1.72    inference(cnf_transformation,[status(thm)],[f15])).
% 1.86/1.72  thf(f15,plain,(
% 1.86/1.72    (sepSubset = (!! @ ($i > $o) @ (^[Y0 : $i > $o]: (!! @ $i @ (^[Y1 : $i]: (subset @ (dsetconstr @ Y1 @ (^[Y2 : $i]: (Y0 @ Y2))) @ Y1))))))),
% 1.86/1.72    inference(fool_elimination,[status(thm)],[f14])).
% 1.86/1.72  thf(f14,plain,(
% 1.86/1.72    (! [X0 : $i,X1 : $i > $o] : (subset @ (dsetconstr @ X0 @ (^[X2 : $i] : (X1 @ X2))) @ X0) = sepSubset)),
% 1.86/1.72    inference(rectify,[status(thm)],[f2])).
% 1.86/1.72  thf(f2,axiom,(
% 1.86/1.72    (! [X0 : $i,X3 : $i > $o] : (subset @ (dsetconstr @ X0 @ (^[X2 : $i] : (X3 @ X2))) @ X0) = sepSubset)),
% 1.86/1.72    file('/export/starexec/sandbox/tmp/tmp.ph90K1Mmp4/DTF2THF_3057.p',sepSubset)).
% 1.86/1.72  thf(f27,plain,(
% 1.86/1.72    (subsetE = (!! @ $i @ (^[Y0 : $i]: (!! @ $i @ (^[Y1 : $i]: (!! @ $i @ (^[Y2 : $i]: ((subset @ Y0 @ Y2) => ((in @ Y1 @ Y0) => (in @ Y1 @ Y2))))))))))),
% 1.86/1.72    inference(cnf_transformation,[status(thm)],[f11])).
% 1.86/1.72  thf(f11,plain,(
% 1.86/1.72    (subsetE = (!! @ $i @ (^[Y0 : $i]: (!! @ $i @ (^[Y1 : $i]: (!! @ $i @ (^[Y2 : $i]: ((subset @ Y0 @ Y2) => ((in @ Y1 @ Y0) => (in @ Y1 @ Y2))))))))))),
% 1.86/1.72    inference(fool_elimination,[status(thm)],[f10])).
% 1.86/1.72  thf(f10,plain,(
% 1.86/1.72    (subsetE = ! [X0 : $i,X1 : $i,X2 : $i] : ((subset @ X2 @ X0) => ((in @ X1 @ X2) => (in @ X1 @ X0))))),
% 1.86/1.72    inference(rectify,[status(thm)],[f1])).
% 1.86/1.72  thf(f1,axiom,(
% 1.86/1.72    (subsetE = ! [X1 : $i,X2 : $i,X0 : $i] : ((subset @ X0 @ X1) => ((in @ X2 @ X0) => (in @ X2 @ X1))))),
% 1.86/1.72    file('/export/starexec/sandbox/tmp/tmp.ph90K1Mmp4/DTF2THF_3057.p',subsetE)).
% 1.86/1.72  thf(f24,plain,(
% 1.86/1.72    ((~ (subsetE => (sepSubset => (theprop => (ifSingleton => (!! @ $o @ (^[Y0 : $o]: (!! @ $i @ (^[Y1 : $i]: (!! @ $i @ (^[Y2 : $i]: ((in @ Y2 @ Y1) => (!! @ $i @ (^[Y3 : $i]: ((in @ Y3 @ Y1) => (in @ (if @ Y1 @ Y0 @ Y2 @ Y3) @ Y1)))))))))))))))) = $true)),
% 1.86/1.72    inference(cnf_transformation,[status(thm)],[f17])).
% 1.86/1.72  thf(f17,plain,(
% 1.86/1.72    ((~ (subsetE => (sepSubset => (theprop => (ifSingleton => (!! @ $o @ (^[Y0 : $o]: (!! @ $i @ (^[Y1 : $i]: (!! @ $i @ (^[Y2 : $i]: ((in @ Y2 @ Y1) => (!! @ $i @ (^[Y3 : $i]: ((in @ Y3 @ Y1) => (in @ (if @ Y1 @ Y0 @ Y2 @ Y3) @ Y1)))))))))))))))) = $true)),
% 1.86/1.72    inference(fool_elimination,[status(thm)],[f16])).
% 1.86/1.72  thf(f16,plain,(
% 1.86/1.72    ~(subsetE => (sepSubset => (theprop => (ifSingleton => ! [X0 : $i,X1 : $i,X2 : $o] : ((in @ X0 @ X1) => ! [X3 : $i] : ((in @ X3 @ X1) => (in @ (if @ X1 @ X2 @ X0 @ X3) @ X1)))))))),
% 1.86/1.72    inference(rectify,[status(thm)],[f8])).
% 1.86/1.72  thf(f8,negated_conjecture,(
% 1.86/1.72    ~(subsetE => (sepSubset => (theprop => (ifSingleton => ! [X2 : $i,X0 : $i,X3 : $o] : ((in @ X2 @ X0) => ! [X5 : $i] : ((in @ X5 @ X0) => (in @ (if @ X0 @ X3 @ X2 @ X5) @ X0)))))))),
% 1.86/1.72    inference(negated_conjecture,[status(cth)],[f7])).
% 1.86/1.72  thf(f7,conjecture,(
% 1.86/1.72    subsetE => (sepSubset => (theprop => (ifSingleton => ! [X2 : $i,X0 : $i,X3 : $o] : ((in @ X2 @ X0) => ! [X5 : $i] : ((in @ X5 @ X0) => (in @ (if @ X0 @ X3 @ X2 @ X5) @ X0))))))),
% 1.86/1.72    file('/export/starexec/sandbox/tmp/tmp.ph90K1Mmp4/DTF2THF_3057.p',ifp)).
% 1.86/1.72  thf(f569,plain,(
% 1.86/1.72    ($false = (in @ sK4 @ sK3)) | ((in @ sK5 @ sK3) = $false) | ~spl0_5),
% 1.86/1.72    inference(trivial_inequality_removal,[status(thm)],[f568])).
% 1.86/1.72  thf(f568,plain,(
% 1.86/1.72    ((^[Y0 : $i]: (sK2)) != (^[Y0 : $i]: (sK2))) | ((in @ sK5 @ sK3) = $false) | ($false = (in @ sK4 @ sK3)) | ((^[Y0 : $i]: (sK4)) != (^[Y0 : $i]: (sK4))) | ($true = $false) | ((^[Y0 : $i]: (sK5)) != (^[Y0 : $i]: (sK5))) | ~spl0_5),
% 1.86/1.72    inference(duplicate_literal_removal,[status(thm)],[f563])).
% 1.86/1.72  thf(f563,plain,(
% 1.86/1.72    ($false = (in @ sK4 @ sK3)) | ((^[Y0 : $i]: (sK4)) != (^[Y0 : $i]: (sK4))) | ($true = $false) | ((^[Y0 : $i]: (sK2)) != (^[Y0 : $i]: (sK2))) | ((in @ sK5 @ sK3) = $false) | ((in @ sK5 @ sK3) = $false) | ((^[Y0 : $i]: (sK5)) != (^[Y0 : $i]: (sK5))) | ($false = (in @ sK4 @ sK3)) | ~spl0_5),
% 1.86/1.72    inference(superposition,[status(thm)],[f123,f320])).
% 1.86/1.72  thf(f320,plain,(
% 1.86/1.72    ($false = (in @ (sK1 @ sK3 @ sK2 @ sK4 @ sK5) @ (setadjoin @ (sK1 @ sK3 @ sK2 @ sK4 @ sK5) @ emptyset))) | ~spl0_5),
% 1.86/1.72    inference(avatar_component_clause,[status(thm)],[f318])).
% 1.86/1.72  thf(f318,definition,(
% 1.86/1.72    spl0_5 <=> ($false = (in @ (sK1 @ sK3 @ sK2 @ sK4 @ sK5) @ (setadjoin @ (sK1 @ sK3 @ sK2 @ sK4 @ sK5) @ emptyset)))),
% 1.86/1.72    introduced(definition,[new_symbols(naming,[spl0_5])],[avatar_definition])).
% 1.86/1.72  thf(f123,plain,(
% 1.86/1.72    ( ! [X2 : $i,X3 : $i,X0 : $o,X1 : $o,X6 : $i,X4 : $i,X5 : $i] : (($true = (in @ (sK1 @ X6 @ X1 @ X5 @ X3) @ (setadjoin @ (sK1 @ X6 @ X0 @ X4 @ X2) @ emptyset))) | ($false = (in @ X2 @ X6)) | ($false = (in @ X5 @ X6)) | ((in @ X3 @ X6) = $false) | ((in @ X4 @ X6) = $false) | ((^[Y0 : $i]: (X2)) != (^[Y0 : $i]: (X3))) | ((^[Y0 : $i]: (X1)) != (^[Y0 : $i]: (X0))) | ((^[Y0 : $i]: (X5)) != (^[Y0 : $i]: (X4)))) )),
% 1.86/1.72    inference(duplicate_literal_removal,[status(thm)],[f118])).
% 1.86/1.72  thf(f118,plain,(
% 1.86/1.72    ( ! [X2 : $i,X3 : $i,X0 : $o,X1 : $o,X6 : $i,X4 : $i,X5 : $i] : (((^[Y0 : $i]: (X5)) != (^[Y0 : $i]: (X4))) | ((^[Y0 : $i]: (X1)) != (^[Y0 : $i]: (X0))) | ($false = (in @ X2 @ X6)) | ($false = (in @ X5 @ X6)) | ((^[Y0 : $i]: (X2)) != (^[Y0 : $i]: (X3))) | ($true = (in @ (sK1 @ X6 @ X1 @ X5 @ X3) @ (setadjoin @ (sK1 @ X6 @ X0 @ X4 @ X2) @ emptyset))) | ((^[Y0 : $i]: (X1)) != (^[Y0 : $i]: (X0))) | ((in @ X3 @ X6) = $false) | ((in @ X4 @ X6) = $false)) )),
% 1.86/1.72    inference(constrained_superposition,[status(thm)],[f64,f66])).
% 1.86/1.72  thf(f66,plain,(
% 1.86/1.72    ( ! [X2 : $o,X3 : $i,X1 : $i,X4 : $i] : (((setadjoin @ (sK1 @ X1 @ X2 @ X3 @ X4) @ emptyset) = (dsetconstr @ X1 @ (^[Y0 : $i]: (((X3 = Y0) & X2) | ((X4 = Y0) & (~ X2)))))) | ((in @ X3 @ X1) = $false) | ((in @ X4 @ X1) = $false)) )),
% 1.86/1.72    inference(equality_proxy_clausification,[status(thm)],[f65])).
% 1.86/1.72  thf(f65,plain,(
% 1.86/1.72    ( ! [X2 : $o,X3 : $i,X1 : $i,X4 : $i] : (((in @ X3 @ X1) = $false) | (((setadjoin @ (sK1 @ X1 @ X2 @ X3 @ X4) @ emptyset) = (dsetconstr @ X1 @ (^[Y0 : $i]: (((X3 = Y0) & X2) | ((X4 = Y0) & (~ X2)))))) = $true) | ((in @ X4 @ X1) = $false)) )),
% 1.86/1.72    inference(binary_proxy_clausification,[status(thm)],[f63])).
% 1.86/1.72  thf(f63,plain,(
% 1.86/1.72    ( ! [X2 : $o,X3 : $i,X1 : $i,X4 : $i] : (((in @ X4 @ X1) = $false) | ((((setadjoin @ (sK1 @ X1 @ X2 @ X3 @ X4) @ emptyset) = (dsetconstr @ X1 @ (^[Y0 : $i]: (((X3 = Y0) & X2) | ((X4 = Y0) & (~ X2)))))) & (in @ (sK1 @ X1 @ X2 @ X3 @ X4) @ (dsetconstr @ X1 @ (^[Y0 : $i]: (((X3 = Y0) & X2) | ((X4 = Y0) & (~ X2))))))) = $true) | ((in @ X3 @ X1) = $false)) )),
% 1.86/1.72    inference(beta_eta_normalization,[status(thm)],[f62])).
% 1.86/1.72  thf(f62,plain,(
% 1.86/1.72    ( ! [X2 : $o,X3 : $i,X1 : $i,X4 : $i] : (((in @ X4 @ X1) = $false) | ((in @ X3 @ X1) = $false) | ($true = ((^[Y0 : $i]: (((setadjoin @ Y0 @ emptyset) = (dsetconstr @ X1 @ (^[Y1 : $i]: (((X3 = Y1) & X2) | ((X4 = Y1) & (~ X2)))))) & (in @ Y0 @ (dsetconstr @ X1 @ (^[Y1 : $i]: (((X3 = Y1) & X2) | ((X4 = Y1) & (~ X2)))))))) @ (sK1 @ X1 @ X2 @ X3 @ X4)))) )),
% 1.86/1.72    inference(sigma_clausification,[status(thm)],[f61])).
% 1.86/1.72  thf(f61,plain,(
% 1.86/1.72    ( ! [X2 : $o,X3 : $i,X1 : $i,X4 : $i] : (((?? @ $i @ (^[Y0 : $i]: (((setadjoin @ Y0 @ emptyset) = (dsetconstr @ X1 @ (^[Y1 : $i]: (((X3 = Y1) & X2) | ((X4 = Y1) & (~ X2)))))) & (in @ Y0 @ (dsetconstr @ X1 @ (^[Y1 : $i]: (((X3 = Y1) & X2) | ((X4 = Y1) & (~ X2))))))))) = $true) | ((in @ X4 @ X1) = $false) | ((in @ X3 @ X1) = $false)) )),
% 1.86/1.72    inference(binary_proxy_clausification,[status(thm)],[f60])).
% 1.86/1.72  thf(f60,plain,(
% 1.86/1.72    ( ! [X2 : $o,X3 : $i,X1 : $i,X4 : $i] : (($true = ((in @ X4 @ X1) => (?? @ $i @ (^[Y0 : $i]: (((setadjoin @ Y0 @ emptyset) = (dsetconstr @ X1 @ (^[Y1 : $i]: (((X3 = Y1) & X2) | ((X4 = Y1) & (~ X2)))))) & (in @ Y0 @ (dsetconstr @ X1 @ (^[Y1 : $i]: (((X3 = Y1) & X2) | ((X4 = Y1) & (~ X2))))))))))) | ((in @ X3 @ X1) = $false)) )),
% 1.86/1.72    inference(beta_eta_normalization,[status(thm)],[f59])).
% 1.86/1.72  thf(f59,plain,(
% 1.86/1.72    ( ! [X2 : $o,X3 : $i,X1 : $i,X4 : $i] : (($true = ((^[Y0 : $i]: ((in @ Y0 @ X1) => (?? @ $i @ (^[Y1 : $i]: (((setadjoin @ Y1 @ emptyset) = (dsetconstr @ X1 @ (^[Y2 : $i]: (((X3 = Y2) & X2) | ((Y0 = Y2) & (~ X2)))))) & (in @ Y1 @ (dsetconstr @ X1 @ (^[Y2 : $i]: (((X3 = Y2) & X2) | ((Y0 = Y2) & (~ X2))))))))))) @ X4)) | ((in @ X3 @ X1) = $false)) )),
% 1.86/1.72    inference(pi_clausification,[status(thm)],[f58])).
% 1.86/1.72  thf(f58,plain,(
% 1.86/1.72    ( ! [X2 : $o,X3 : $i,X1 : $i] : (((in @ X3 @ X1) = $false) | ($true = (!! @ $i @ (^[Y0 : $i]: ((in @ Y0 @ X1) => (?? @ $i @ (^[Y1 : $i]: (((setadjoin @ Y1 @ emptyset) = (dsetconstr @ X1 @ (^[Y2 : $i]: (((X3 = Y2) & X2) | ((Y0 = Y2) & (~ X2)))))) & (in @ Y1 @ (dsetconstr @ X1 @ (^[Y2 : $i]: (((X3 = Y2) & X2) | ((Y0 = Y2) & (~ X2)))))))))))))) )),
% 1.86/1.72    inference(binary_proxy_clausification,[status(thm)],[f57])).
% 1.86/1.72  thf(f57,plain,(
% 1.86/1.72    ( ! [X2 : $o,X3 : $i,X1 : $i] : (($true = ((in @ X3 @ X1) => (!! @ $i @ (^[Y0 : $i]: ((in @ Y0 @ X1) => (?? @ $i @ (^[Y1 : $i]: (((setadjoin @ Y1 @ emptyset) = (dsetconstr @ X1 @ (^[Y2 : $i]: (((X3 = Y2) & X2) | ((Y0 = Y2) & (~ X2)))))) & (in @ Y1 @ (dsetconstr @ X1 @ (^[Y2 : $i]: (((X3 = Y2) & X2) | ((Y0 = Y2) & (~ X2))))))))))))))) )),
% 1.86/1.72    inference(beta_eta_normalization,[status(thm)],[f56])).
% 1.86/1.72  thf(f56,plain,(
% 1.86/1.72    ( ! [X2 : $o,X3 : $i,X1 : $i] : (($true = ((^[Y0 : $i]: ((in @ Y0 @ X1) => (!! @ $i @ (^[Y1 : $i]: ((in @ Y1 @ X1) => (?? @ $i @ (^[Y2 : $i]: (((setadjoin @ Y2 @ emptyset) = (dsetconstr @ X1 @ (^[Y3 : $i]: (((Y0 = Y3) & X2) | ((Y1 = Y3) & (~ X2)))))) & (in @ Y2 @ (dsetconstr @ X1 @ (^[Y3 : $i]: (((Y0 = Y3) & X2) | ((Y1 = Y3) & (~ X2)))))))))))))) @ X3))) )),
% 1.86/1.72    inference(pi_clausification,[status(thm)],[f55])).
% 1.86/1.72  thf(f55,plain,(
% 1.86/1.72    ( ! [X2 : $o,X1 : $i] : (($true = (!! @ $i @ (^[Y0 : $i]: ((in @ Y0 @ X1) => (!! @ $i @ (^[Y1 : $i]: ((in @ Y1 @ X1) => (?? @ $i @ (^[Y2 : $i]: (((setadjoin @ Y2 @ emptyset) = (dsetconstr @ X1 @ (^[Y3 : $i]: (((Y0 = Y3) & X2) | ((Y1 = Y3) & (~ X2)))))) & (in @ Y2 @ (dsetconstr @ X1 @ (^[Y3 : $i]: (((Y0 = Y3) & X2) | ((Y1 = Y3) & (~ X2))))))))))))))))) )),
% 1.86/1.72    inference(beta_eta_normalization,[status(thm)],[f54])).
% 1.86/1.72  thf(f54,plain,(
% 1.86/1.72    ( ! [X2 : $o,X1 : $i] : (($true = ((^[Y0 : $o]: (!! @ $i @ (^[Y1 : $i]: ((in @ Y1 @ X1) => (!! @ $i @ (^[Y2 : $i]: ((in @ Y2 @ X1) => (?? @ $i @ (^[Y3 : $i]: (((setadjoin @ Y3 @ emptyset) = (dsetconstr @ X1 @ (^[Y4 : $i]: (((Y1 = Y4) & Y0) | ((Y2 = Y4) & (~ Y0)))))) & (in @ Y3 @ (dsetconstr @ X1 @ (^[Y4 : $i]: (((Y1 = Y4) & Y0) | ((Y2 = Y4) & (~ Y0)))))))))))))))) @ X2))) )),
% 1.86/1.72    inference(pi_clausification,[status(thm)],[f53])).
% 1.86/1.72  thf(f53,plain,(
% 1.86/1.72    ( ! [X1 : $i] : (($true = (!! @ $o @ (^[Y0 : $o]: (!! @ $i @ (^[Y1 : $i]: ((in @ Y1 @ X1) => (!! @ $i @ (^[Y2 : $i]: ((in @ Y2 @ X1) => (?? @ $i @ (^[Y3 : $i]: (((setadjoin @ Y3 @ emptyset) = (dsetconstr @ X1 @ (^[Y4 : $i]: (((Y1 = Y4) & Y0) | ((Y2 = Y4) & (~ Y0)))))) & (in @ Y3 @ (dsetconstr @ X1 @ (^[Y4 : $i]: (((Y1 = Y4) & Y0) | ((Y2 = Y4) & (~ Y0))))))))))))))))))) )),
% 1.86/1.72    inference(beta_eta_normalization,[status(thm)],[f52])).
% 1.86/1.72  thf(f52,plain,(
% 1.86/1.72    ( ! [X1 : $i] : ((((^[Y0 : $i]: (!! @ $o @ (^[Y1 : $o]: (!! @ $i @ (^[Y2 : $i]: ((in @ Y2 @ Y0) => (!! @ $i @ (^[Y3 : $i]: ((in @ Y3 @ Y0) => (?? @ $i @ (^[Y4 : $i]: (((setadjoin @ Y4 @ emptyset) = (dsetconstr @ Y0 @ (^[Y5 : $i]: (((Y2 = Y5) & Y1) | ((Y3 = Y5) & (~ Y1)))))) & (in @ Y4 @ (dsetconstr @ Y0 @ (^[Y5 : $i]: (((Y2 = Y5) & Y1) | ((Y3 = Y5) & (~ Y1)))))))))))))))))) @ X1) = $true)) )),
% 1.86/1.72    inference(pi_clausification,[status(thm)],[f51])).
% 1.86/1.72  thf(f51,plain,(
% 1.86/1.72    ($true = (!! @ $i @ (^[Y0 : $i]: (!! @ $o @ (^[Y1 : $o]: (!! @ $i @ (^[Y2 : $i]: ((in @ Y2 @ Y0) => (!! @ $i @ (^[Y3 : $i]: ((in @ Y3 @ Y0) => (?? @ $i @ (^[Y4 : $i]: (((setadjoin @ Y4 @ emptyset) = (dsetconstr @ Y0 @ (^[Y5 : $i]: (((Y2 = Y5) & Y1) | ((Y3 = Y5) & (~ Y1)))))) & (in @ Y4 @ (dsetconstr @ Y0 @ (^[Y5 : $i]: (((Y2 = Y5) & Y1) | ((Y3 = Y5) & (~ Y1))))))))))))))))))))),
% 1.86/1.72    inference(binary_proxy_clausification,[status(thm)],[f48])).
% 1.86/1.72  thf(f64,plain,(
% 1.86/1.72    ( ! [X2 : $o,X3 : $i,X1 : $i,X4 : $i] : (((in @ (sK1 @ X1 @ X2 @ X3 @ X4) @ (dsetconstr @ X1 @ (^[Y0 : $i]: (((X3 = Y0) & X2) | ((X4 = Y0) & (~ X2)))))) = $true) | ((in @ X3 @ X1) = $false) | ((in @ X4 @ X1) = $false)) )),
% 1.86/1.72    inference(binary_proxy_clausification,[status(thm)],[f63])).
% 1.86/1.72  thf(f78,plain,(
% 1.86/1.72    ((in @ sK5 @ sK3) = $true)),
% 1.86/1.72    inference(binary_proxy_clausification,[status(thm)],[f76])).
% 1.86/1.72  thf(f76,plain,(
% 1.86/1.72    (((in @ sK5 @ sK3) => (in @ (setunion @ (dsetconstr @ sK3 @ (^[Y0 : $i]: (((sK4 = Y0) & sK2) | ((sK5 = Y0) & (~ sK2)))))) @ sK3)) = $false)),
% 1.86/1.73    inference(beta_eta_normalization,[status(thm)],[f75])).
% 1.86/1.73  thf(f75,plain,(
% 1.86/1.73    (((^[Y0 : $i]: ((in @ Y0 @ sK3) => (in @ (setunion @ (dsetconstr @ sK3 @ (^[Y1 : $i]: (((sK4 = Y1) & sK2) | ((Y0 = Y1) & (~ sK2)))))) @ sK3))) @ sK5) = $false)),
% 1.86/1.73    inference(sigma_clausification,[status(thm)],[f73])).
% 1.86/1.73  thf(f73,plain,(
% 1.86/1.73    ((!! @ $i @ (^[Y0 : $i]: ((in @ Y0 @ sK3) => (in @ (setunion @ (dsetconstr @ sK3 @ (^[Y1 : $i]: (((sK4 = Y1) & sK2) | ((Y0 = Y1) & (~ sK2)))))) @ sK3)))) = $false)),
% 1.86/1.73    inference(binary_proxy_clausification,[status(thm)],[f72])).
% 1.86/1.73  thf(f367,plain,(
% 1.86/1.73    ~spl0_6),
% 1.86/1.73    inference(avatar_contradiction_clause,[status(thm)],[f366])).
% 1.86/1.73  thf(f366,plain,(
% 1.86/1.73    $false | ~spl0_6),
% 1.86/1.73    inference(trivial_inequality_removal,[status(thm)],[f362])).
% 1.86/1.73  thf(f362,plain,(
% 1.86/1.73    ($true = $false) | ~spl0_6),
% 1.86/1.73    inference(backward_demodulation,[status(thm)],[f78,f351])).
% 1.86/1.73  thf(f351,plain,(
% 1.86/1.73    ((in @ sK5 @ sK3) = $false) | ~spl0_6),
% 1.86/1.73    inference(trivial_inequality_removal,[status(thm)],[f350])).
% 1.86/1.73  thf(f350,plain,(
% 1.86/1.73    ($true = $false) | ((in @ sK5 @ sK3) = $false) | ~spl0_6),
% 1.86/1.73    inference(forward_demodulation,[status(thm)],[f348,f74])).
% 1.86/1.73  thf(f348,plain,(
% 1.86/1.73    ((in @ sK5 @ sK3) = $false) | ($false = (in @ sK4 @ sK3)) | ~spl0_6),
% 1.86/1.73    inference(trivial_inequality_removal,[status(thm)],[f344])).
% 1.86/1.73  thf(f344,plain,(
% 1.86/1.73    ((in @ sK5 @ sK3) = $false) | ($false = (in @ sK4 @ sK3)) | ($true = $false) | ~spl0_6),
% 1.86/1.73    inference(superposition,[status(thm)],[f324,f117])).
% 1.86/1.73  thf(f117,plain,(
% 1.86/1.73    ( ! [X2 : $o,X3 : $i,X0 : $i,X1 : $i] : (($true = (subset @ (setadjoin @ (sK1 @ X0 @ X2 @ X1 @ X3) @ emptyset) @ X0)) | ((in @ X1 @ X0) = $false) | ($false = (in @ X3 @ X0))) )),
% 1.86/1.73    inference(superposition,[status(thm)],[f89,f66])).
% 1.86/1.73  thf(f89,plain,(
% 1.86/1.73    ( ! [X2 : $i,X1 : $i > $o] : (($true = (subset @ (dsetconstr @ X2 @ X1) @ X2))) )),
% 1.86/1.73    inference(beta_eta_normalization,[status(thm)],[f88])).
% 1.86/1.73  thf(f88,plain,(
% 1.86/1.73    ( ! [X2 : $i,X1 : $i > $o] : (($true = ((^[Y0 : $i]: (subset @ (dsetconstr @ Y0 @ X1) @ Y0)) @ X2))) )),
% 1.86/1.73    inference(pi_clausification,[status(thm)],[f87])).
% 1.86/1.73  thf(f87,plain,(
% 1.86/1.73    ( ! [X1 : $i > $o] : (((!! @ $i @ (^[Y0 : $i]: (subset @ (dsetconstr @ Y0 @ X1) @ Y0))) = $true)) )),
% 1.86/1.73    inference(beta_eta_normalization,[status(thm)],[f86])).
% 1.86/1.73  thf(f86,plain,(
% 1.86/1.73    ( ! [X1 : $i > $o] : ((((^[Y0 : $i > $o]: (!! @ $i @ (^[Y1 : $i]: (subset @ (dsetconstr @ Y1 @ Y0) @ Y1)))) @ X1) = $true)) )),
% 1.86/1.73    inference(pi_clausification,[status(thm)],[f47])).
% 1.86/1.73  thf(f47,plain,(
% 1.86/1.73    ($true = (!! @ ($i > $o) @ (^[Y0 : $i > $o]: (!! @ $i @ (^[Y1 : $i]: (subset @ (dsetconstr @ Y1 @ Y0) @ Y1))))))),
% 1.86/1.73    inference(binary_proxy_clausification,[status(thm)],[f36])).
% 1.86/1.73  thf(f324,plain,(
% 1.86/1.73    ($false = (subset @ (setadjoin @ (sK1 @ sK3 @ sK2 @ sK4 @ sK5) @ emptyset) @ sK3)) | ~spl0_6),
% 1.86/1.73    inference(avatar_component_clause,[status(thm)],[f322])).
% 1.86/1.73  thf(f322,definition,(
% 1.86/1.73    spl0_6 <=> ($false = (subset @ (setadjoin @ (sK1 @ sK3 @ sK2 @ sK4 @ sK5) @ emptyset) @ sK3))),
% 1.86/1.73    introduced(definition,[new_symbols(naming,[spl0_6])],[avatar_definition])).
% 1.86/1.73  thf(f330,plain,(
% 1.86/1.73    spl0_5 | spl0_6),
% 1.86/1.73    inference(avatar_split_clause,[status(thm)],[f311,f322,f318])).
% 1.86/1.73  thf(f311,plain,(
% 1.86/1.73    ($false = (in @ (sK1 @ sK3 @ sK2 @ sK4 @ sK5) @ (setadjoin @ (sK1 @ sK3 @ sK2 @ sK4 @ sK5) @ emptyset))) | ($false = (subset @ (setadjoin @ (sK1 @ sK3 @ sK2 @ sK4 @ sK5) @ emptyset) @ sK3))),
% 1.86/1.73    inference(trivial_inequality_removal,[status(thm)],[f307])).
% 1.86/1.73  thf(f307,plain,(
% 1.86/1.73    ($true = $false) | ($false = (in @ (sK1 @ sK3 @ sK2 @ sK4 @ sK5) @ (setadjoin @ (sK1 @ sK3 @ sK2 @ sK4 @ sK5) @ emptyset))) | ($false = (subset @ (setadjoin @ (sK1 @ sK3 @ sK2 @ sK4 @ sK5) @ emptyset) @ sK3))),
% 1.86/1.73    inference(superposition,[status(thm)],[f144,f95])).
% 1.86/1.73  thf(f95,plain,(
% 1.86/1.73    ( ! [X0 : $i] : (($true = (in @ (setunion @ (setadjoin @ X0 @ emptyset)) @ (setadjoin @ X0 @ emptyset))) | ((in @ X0 @ (setadjoin @ X0 @ emptyset)) = $false)) )),
% 1.86/1.73    inference(equality_resolution,[status(thm)],[f85])).
% 1.86/1.73  thf(f85,plain,(
% 1.86/1.73    ( ! [X2 : $i,X1 : $i] : (((setadjoin @ X2 @ emptyset) != X1) | ((in @ X2 @ X1) = $false) | ($true = (in @ (setunion @ X1) @ X1))) )),
% 1.86/1.73    inference(equality_proxy_clausification,[status(thm)],[f84])).
% 1.86/1.73  thf(f84,plain,(
% 1.86/1.73    ( ! [X2 : $i,X1 : $i] : (((in @ X2 @ X1) = $false) | ($true = (in @ (setunion @ X1) @ X1)) | ($false = ((setadjoin @ X2 @ emptyset) = X1))) )),
% 1.86/1.73    inference(binary_proxy_clausification,[status(thm)],[f83])).
% 1.86/1.73  thf(f83,plain,(
% 1.86/1.73    ( ! [X2 : $i,X1 : $i] : (($false = (((setadjoin @ X2 @ emptyset) = X1) & (in @ X2 @ X1))) | ($true = (in @ (setunion @ X1) @ X1))) )),
% 1.86/1.73    inference(beta_eta_normalization,[status(thm)],[f82])).
% 1.86/1.73  thf(f82,plain,(
% 1.86/1.73    ( ! [X2 : $i,X1 : $i] : (($false = ((^[Y0 : $i]: (((setadjoin @ Y0 @ emptyset) = X1) & (in @ Y0 @ X1))) @ X2)) | ($true = (in @ (setunion @ X1) @ X1))) )),
% 1.86/1.73    inference(pi_clausification,[status(thm)],[f81])).
% 1.86/1.73  thf(f81,plain,(
% 1.86/1.73    ( ! [X1 : $i] : (($true = (in @ (setunion @ X1) @ X1)) | ($false = (?? @ $i @ (^[Y0 : $i]: (((setadjoin @ Y0 @ emptyset) = X1) & (in @ Y0 @ X1)))))) )),
% 1.86/1.73    inference(binary_proxy_clausification,[status(thm)],[f80])).
% 1.86/1.73  thf(f80,plain,(
% 1.86/1.73    ( ! [X1 : $i] : (($true = ((?? @ $i @ (^[Y0 : $i]: (((setadjoin @ Y0 @ emptyset) = X1) & (in @ Y0 @ X1)))) => (in @ (setunion @ X1) @ X1)))) )),
% 1.86/1.73    inference(beta_eta_normalization,[status(thm)],[f79])).
% 1.86/1.73  thf(f79,plain,(
% 1.86/1.73    ( ! [X1 : $i] : ((((^[Y0 : $i]: ((?? @ $i @ (^[Y1 : $i]: (((setadjoin @ Y1 @ emptyset) = Y0) & (in @ Y1 @ Y0)))) => (in @ (setunion @ Y0) @ Y0))) @ X1) = $true)) )),
% 1.86/1.73    inference(pi_clausification,[status(thm)],[f49])).
% 1.86/1.73  thf(f49,plain,(
% 1.86/1.73    ($true = (!! @ $i @ (^[Y0 : $i]: ((?? @ $i @ (^[Y1 : $i]: (((setadjoin @ Y1 @ emptyset) = Y0) & (in @ Y1 @ Y0)))) => (in @ (setunion @ Y0) @ Y0)))))),
% 1.86/1.73    inference(binary_proxy_clausification,[status(thm)],[f46])).
% 1.86/1.73  thf(f144,plain,(
% 1.86/1.73    ( ! [X0 : $i] : (($false = (in @ (setunion @ (setadjoin @ (sK1 @ sK3 @ sK2 @ sK4 @ sK5) @ emptyset)) @ X0)) | ($false = (subset @ X0 @ sK3))) )),
% 1.86/1.73    inference(trivial_inequality_removal,[status(thm)],[f143])).
% 1.86/1.73  thf(f143,plain,(
% 1.86/1.73    ( ! [X0 : $i] : (($true = $false) | ($false = (in @ (setunion @ (setadjoin @ (sK1 @ sK3 @ sK2 @ sK4 @ sK5) @ emptyset)) @ X0)) | ($false = (subset @ X0 @ sK3))) )),
% 1.86/1.73    inference(superposition,[status(thm)],[f45,f139])).
% 1.86/1.73  thf(f139,plain,(
% 1.86/1.73    ($false = (in @ (setunion @ (setadjoin @ (sK1 @ sK3 @ sK2 @ sK4 @ sK5) @ emptyset)) @ sK3))),
% 1.86/1.73    inference(equality_resolution,[status(thm)],[f130])).
% 1.86/1.73  thf(f130,plain,(
% 1.86/1.73    ( ! [X0 : $o] : (((^[Y0 : $i]: (X0)) != (^[Y0 : $i]: (sK2))) | ($false = (in @ (setunion @ (setadjoin @ (sK1 @ sK3 @ X0 @ sK4 @ sK5) @ emptyset)) @ sK3))) )),
% 1.86/1.73    inference(trivial_inequality_removal,[status(thm)],[f129])).
% 1.86/1.73  thf(f129,plain,(
% 1.86/1.73    ( ! [X0 : $o] : (((^[Y0 : $i]: (X0)) != (^[Y0 : $i]: (sK2))) | ($false = (in @ (setunion @ (setadjoin @ (sK1 @ sK3 @ X0 @ sK4 @ sK5) @ emptyset)) @ sK3)) | ($true = $false)) )),
% 1.86/1.73    inference(forward_demodulation,[status(thm)],[f128,f74])).
% 1.86/1.73  thf(f128,plain,(
% 1.86/1.73    ( ! [X0 : $o] : (($false = (in @ (setunion @ (setadjoin @ (sK1 @ sK3 @ X0 @ sK4 @ sK5) @ emptyset)) @ sK3)) | ((^[Y0 : $i]: (X0)) != (^[Y0 : $i]: (sK2))) | ($false = (in @ sK4 @ sK3))) )),
% 1.86/1.73    inference(trivial_inequality_removal,[status(thm)],[f127])).
% 1.86/1.73  thf(f127,plain,(
% 1.86/1.73    ( ! [X0 : $o] : (($true = $false) | ((^[Y0 : $i]: (X0)) != (^[Y0 : $i]: (sK2))) | ($false = (in @ (setunion @ (setadjoin @ (sK1 @ sK3 @ X0 @ sK4 @ sK5) @ emptyset)) @ sK3)) | ($false = (in @ sK4 @ sK3))) )),
% 1.86/1.73    inference(forward_demodulation,[status(thm)],[f125,f78])).
% 1.86/1.73  thf(f125,plain,(
% 1.86/1.73    ( ! [X0 : $o] : (((^[Y0 : $i]: (X0)) != (^[Y0 : $i]: (sK2))) | ((in @ sK5 @ sK3) = $false) | ($false = (in @ sK4 @ sK3)) | ($false = (in @ (setunion @ (setadjoin @ (sK1 @ sK3 @ X0 @ sK4 @ sK5) @ emptyset)) @ sK3))) )),
% 1.86/1.73    inference(duplicate_literal_removal,[status(thm)],[f121])).
% 1.86/1.73  thf(f121,plain,(
% 1.86/1.73    ( ! [X0 : $o] : (($false = (in @ (setunion @ (setadjoin @ (sK1 @ sK3 @ X0 @ sK4 @ sK5) @ emptyset)) @ sK3)) | ((^[Y0 : $i]: (X0)) != (^[Y0 : $i]: (sK2))) | ($false = (in @ sK4 @ sK3)) | ((^[Y0 : $i]: (X0)) != (^[Y0 : $i]: (sK2))) | ((in @ sK5 @ sK3) = $false)) )),
% 1.86/1.73    inference(constrained_superposition,[status(thm)],[f77,f66])).
% 1.86/1.73  thf(f77,plain,(
% 1.86/1.73    ((in @ (setunion @ (dsetconstr @ sK3 @ (^[Y0 : $i]: (((sK4 = Y0) & sK2) | ((sK5 = Y0) & (~ sK2)))))) @ sK3) = $false)),
% 1.86/1.73    inference(binary_proxy_clausification,[status(thm)],[f76])).
% 1.86/1.73  thf(f45,plain,(
% 1.86/1.73    ( ! [X2 : $i,X3 : $i,X1 : $i] : (($true = (in @ X2 @ X3)) | ((subset @ X1 @ X3) = $false) | ((in @ X2 @ X1) = $false)) )),
% 1.86/1.73    inference(binary_proxy_clausification,[status(thm)],[f44])).
% 1.86/1.73  thf(f44,plain,(
% 1.86/1.73    ( ! [X2 : $i,X3 : $i,X1 : $i] : ((((in @ X2 @ X1) => (in @ X2 @ X3)) = $true) | ((subset @ X1 @ X3) = $false)) )),
% 1.86/1.73    inference(binary_proxy_clausification,[status(thm)],[f43])).
% 1.86/1.73  thf(f43,plain,(
% 1.86/1.73    ( ! [X2 : $i,X3 : $i,X1 : $i] : (($true = ((subset @ X1 @ X3) => ((in @ X2 @ X1) => (in @ X2 @ X3))))) )),
% 1.86/1.73    inference(beta_eta_normalization,[status(thm)],[f42])).
% 1.86/1.73  thf(f42,plain,(
% 1.86/1.73    ( ! [X2 : $i,X3 : $i,X1 : $i] : (($true = ((^[Y0 : $i]: ((subset @ X1 @ Y0) => ((in @ X2 @ X1) => (in @ X2 @ Y0)))) @ X3))) )),
% 1.86/1.73    inference(pi_clausification,[status(thm)],[f41])).
% 1.86/1.73  thf(f41,plain,(
% 1.86/1.73    ( ! [X2 : $i,X1 : $i] : (((!! @ $i @ (^[Y0 : $i]: ((subset @ X1 @ Y0) => ((in @ X2 @ X1) => (in @ X2 @ Y0))))) = $true)) )),
% 1.86/1.73    inference(beta_eta_normalization,[status(thm)],[f40])).
% 1.86/1.73  thf(f40,plain,(
% 1.86/1.73    ( ! [X2 : $i,X1 : $i] : (($true = ((^[Y0 : $i]: (!! @ $i @ (^[Y1 : $i]: ((subset @ X1 @ Y1) => ((in @ Y0 @ X1) => (in @ Y0 @ Y1)))))) @ X2))) )),
% 1.86/1.73    inference(pi_clausification,[status(thm)],[f39])).
% 1.86/1.73  thf(f39,plain,(
% 1.86/1.73    ( ! [X1 : $i] : (($true = (!! @ $i @ (^[Y0 : $i]: (!! @ $i @ (^[Y1 : $i]: ((subset @ X1 @ Y1) => ((in @ Y0 @ X1) => (in @ Y0 @ Y1))))))))) )),
% 1.86/1.73    inference(beta_eta_normalization,[status(thm)],[f38])).
% 1.86/1.73  thf(f38,plain,(
% 1.86/1.73    ( ! [X1 : $i] : (($true = ((^[Y0 : $i]: (!! @ $i @ (^[Y1 : $i]: (!! @ $i @ (^[Y2 : $i]: ((subset @ Y0 @ Y2) => ((in @ Y1 @ Y0) => (in @ Y1 @ Y2)))))))) @ X1))) )),
% 1.86/1.73    inference(pi_clausification,[status(thm)],[f37])).
% 1.86/1.73  thf(f37,plain,(
% 1.86/1.73    ($true = (!! @ $i @ (^[Y0 : $i]: (!! @ $i @ (^[Y1 : $i]: (!! @ $i @ (^[Y2 : $i]: ((subset @ Y0 @ Y2) => ((in @ Y1 @ Y0) => (in @ Y1 @ Y2))))))))))),
% 1.86/1.73    inference(binary_proxy_clausification,[status(thm)],[f35])).
% 1.86/1.73  % SZS output end Proof for DTF2THF_3057
% 1.86/1.73  % (3220)------------------------------
% 1.86/1.73  % (3220)Version: Vampire 4.8 (commit 7b44b1c2f on 2025-07-15 09:50:17 +0100)
% 1.86/1.73  % (3220)Termination reason: Refutation
% 1.86/1.73  
% 1.86/1.73  % (3220)Memory used [KB]: 6012
% 1.86/1.73  % (3220)Time elapsed: 0.130 s
% 1.86/1.73  % (3220)Instructions burned: 252 (million)
% 1.86/1.73  % (3220)------------------------------
% 1.86/1.73  % (3220)------------------------------
% 1.86/1.73  % (3192)Success in time 0.261 s
%------------------------------------------------------------------------------