TSTP Solution File: ALG125+1 by Zipperpin---2.1.9999

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Zipperpin---2.1.9999
% Problem  : ALG125+1 : TPTP v8.1.2. Released v2.7.0.
% Transfm  : NO INFORMATION
% Format   : NO INFORMATION
% Command  : python3 /export/starexec/sandbox2/solver/bin/portfolio.lams.parallel.py %s %d /export/starexec/sandbox2/tmp/tmp.dDN59hJjj1 true

% Computer : n025.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 Aug 30 17:11:03 EDT 2023

% Result   : Theorem 24.43s 4.09s
% Output   : Refutation 24.43s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   20
%            Number of leaves      :   54
% Syntax   : Number of formulae    : 1134 ( 316 unt;  30 typ;   0 def)
%            Number of atoms       : 3302 (3225 equ;   0 cnn)
%            Maximal formula atoms :  128 (   2 avg)
%            Number of connectives : 11747 (1081   ~;1122   |; 597   &;8468   @)
%                                         (   0 <=>;   8  =>; 471  <=;   0 <~>)
%            Maximal formula depth :   49 (   3 avg)
%            Number of types       :    2 (   0 usr)
%            Number of type conns  :    8 (   8   >;   0   *;   0   +;   0  <<)
%            Number of symbols     :   24 (  22 usr;  17 con; 0-2 aty)
%            Number of variables   :    0 (   0   ^;   0   !;   0   ?;   0   :)

% Comments : 
%------------------------------------------------------------------------------
thf(e23_type,type,
    e23: $i ).

thf(h2_type,type,
    h2: $i > $i ).

thf(h3_type,type,
    h3: $i > $i ).

thf(e13_type,type,
    e13: $i ).

thf(zip_tseitin_5_type,type,
    zip_tseitin_5: $o ).

thf(op2_type,type,
    op2: $i > $i > $i ).

thf(e12_type,type,
    e12: $i ).

thf(e22_type,type,
    e22: $i ).

thf(e21_type,type,
    e21: $i ).

thf(e11_type,type,
    e11: $i ).

thf(zip_tseitin_0_type,type,
    zip_tseitin_0: $o ).

thf(e10_type,type,
    e10: $i ).

thf(op1_type,type,
    op1: $i > $i > $i ).

thf(zip_tseitin_4_type,type,
    zip_tseitin_4: $o ).

thf(zip_tseitin_7_type,type,
    zip_tseitin_7: $o ).

thf(h1_type,type,
    h1: $i > $i ).

thf(zip_tseitin_1_type,type,
    zip_tseitin_1: $o ).

thf(zip_tseitin_2_type,type,
    zip_tseitin_2: $o ).

thf(e20_type,type,
    e20: $i ).

thf(zip_tseitin_6_type,type,
    zip_tseitin_6: $o ).

thf(h4_type,type,
    h4: $i > $i ).

thf(zip_tseitin_3_type,type,
    zip_tseitin_3: $o ).

thf(ax1,axiom,
    ( ( ( ( op1 @ e13 @ e13 )
        = e13 )
      | ( ( op1 @ e13 @ e13 )
        = e12 )
      | ( ( op1 @ e13 @ e13 )
        = e11 )
      | ( ( op1 @ e13 @ e13 )
        = e10 ) )
    & ( ( ( op1 @ e13 @ e12 )
        = e13 )
      | ( ( op1 @ e13 @ e12 )
        = e12 )
      | ( ( op1 @ e13 @ e12 )
        = e11 )
      | ( ( op1 @ e13 @ e12 )
        = e10 ) )
    & ( ( ( op1 @ e13 @ e11 )
        = e13 )
      | ( ( op1 @ e13 @ e11 )
        = e12 )
      | ( ( op1 @ e13 @ e11 )
        = e11 )
      | ( ( op1 @ e13 @ e11 )
        = e10 ) )
    & ( ( ( op1 @ e13 @ e10 )
        = e13 )
      | ( ( op1 @ e13 @ e10 )
        = e12 )
      | ( ( op1 @ e13 @ e10 )
        = e11 )
      | ( ( op1 @ e13 @ e10 )
        = e10 ) )
    & ( ( ( op1 @ e12 @ e13 )
        = e13 )
      | ( ( op1 @ e12 @ e13 )
        = e12 )
      | ( ( op1 @ e12 @ e13 )
        = e11 )
      | ( ( op1 @ e12 @ e13 )
        = e10 ) )
    & ( ( ( op1 @ e12 @ e12 )
        = e13 )
      | ( ( op1 @ e12 @ e12 )
        = e12 )
      | ( ( op1 @ e12 @ e12 )
        = e11 )
      | ( ( op1 @ e12 @ e12 )
        = e10 ) )
    & ( ( ( op1 @ e12 @ e11 )
        = e13 )
      | ( ( op1 @ e12 @ e11 )
        = e12 )
      | ( ( op1 @ e12 @ e11 )
        = e11 )
      | ( ( op1 @ e12 @ e11 )
        = e10 ) )
    & ( ( ( op1 @ e12 @ e10 )
        = e13 )
      | ( ( op1 @ e12 @ e10 )
        = e12 )
      | ( ( op1 @ e12 @ e10 )
        = e11 )
      | ( ( op1 @ e12 @ e10 )
        = e10 ) )
    & ( ( ( op1 @ e11 @ e13 )
        = e13 )
      | ( ( op1 @ e11 @ e13 )
        = e12 )
      | ( ( op1 @ e11 @ e13 )
        = e11 )
      | ( ( op1 @ e11 @ e13 )
        = e10 ) )
    & ( ( ( op1 @ e11 @ e12 )
        = e13 )
      | ( ( op1 @ e11 @ e12 )
        = e12 )
      | ( ( op1 @ e11 @ e12 )
        = e11 )
      | ( ( op1 @ e11 @ e12 )
        = e10 ) )
    & ( ( ( op1 @ e11 @ e11 )
        = e13 )
      | ( ( op1 @ e11 @ e11 )
        = e12 )
      | ( ( op1 @ e11 @ e11 )
        = e11 )
      | ( ( op1 @ e11 @ e11 )
        = e10 ) )
    & ( ( ( op1 @ e11 @ e10 )
        = e13 )
      | ( ( op1 @ e11 @ e10 )
        = e12 )
      | ( ( op1 @ e11 @ e10 )
        = e11 )
      | ( ( op1 @ e11 @ e10 )
        = e10 ) )
    & ( ( ( op1 @ e10 @ e13 )
        = e13 )
      | ( ( op1 @ e10 @ e13 )
        = e12 )
      | ( ( op1 @ e10 @ e13 )
        = e11 )
      | ( ( op1 @ e10 @ e13 )
        = e10 ) )
    & ( ( ( op1 @ e10 @ e12 )
        = e13 )
      | ( ( op1 @ e10 @ e12 )
        = e12 )
      | ( ( op1 @ e10 @ e12 )
        = e11 )
      | ( ( op1 @ e10 @ e12 )
        = e10 ) )
    & ( ( ( op1 @ e10 @ e11 )
        = e13 )
      | ( ( op1 @ e10 @ e11 )
        = e12 )
      | ( ( op1 @ e10 @ e11 )
        = e11 )
      | ( ( op1 @ e10 @ e11 )
        = e10 ) )
    & ( ( ( op1 @ e10 @ e10 )
        = e13 )
      | ( ( op1 @ e10 @ e10 )
        = e12 )
      | ( ( op1 @ e10 @ e10 )
        = e11 )
      | ( ( op1 @ e10 @ e10 )
        = e10 ) ) ) ).

thf(zip_derived_cl5,plain,
    ( ( ( op1 @ e12 @ e12 )
      = e13 )
    | ( ( op1 @ e12 @ e12 )
      = e12 )
    | ( ( op1 @ e12 @ e12 )
      = e11 )
    | ( ( op1 @ e12 @ e12 )
      = e10 ) ),
    inference(cnf,[status(esa)],[ax1]) ).

thf(zip_derived_cl1356,plain,
    ( ( ( op1 @ e12 @ e12 )
      = e12 )
   <= ( ( op1 @ e12 @ e12 )
      = e12 ) ),
    inference(split,[status(esa)],[zip_derived_cl5]) ).

thf(ax10,axiom,
    ( ( ( ( ( op1 @ e10 @ ( op1 @ e10 @ e10 ) )
         != ( op1 @ e10 @ e10 ) )
        & ( ( op1 @ e11 @ ( op1 @ e10 @ e11 ) )
         != ( op1 @ e10 @ e11 ) )
        & ( ( op1 @ e12 @ ( op1 @ e10 @ e12 ) )
         != ( op1 @ e10 @ e12 ) )
        & ( ( op1 @ e13 @ ( op1 @ e10 @ e13 ) )
         != ( op1 @ e10 @ e13 ) ) )
      | ( ( ( op1 @ e10 @ ( op1 @ e11 @ e10 ) )
         != ( op1 @ e11 @ e10 ) )
        & ( ( op1 @ e11 @ ( op1 @ e11 @ e11 ) )
         != ( op1 @ e11 @ e11 ) )
        & ( ( op1 @ e12 @ ( op1 @ e11 @ e12 ) )
         != ( op1 @ e11 @ e12 ) )
        & ( ( op1 @ e13 @ ( op1 @ e11 @ e13 ) )
         != ( op1 @ e11 @ e13 ) ) )
      | ( ( ( op1 @ e10 @ ( op1 @ e12 @ e10 ) )
         != ( op1 @ e12 @ e10 ) )
        & ( ( op1 @ e11 @ ( op1 @ e12 @ e11 ) )
         != ( op1 @ e12 @ e11 ) )
        & ( ( op1 @ e12 @ ( op1 @ e12 @ e12 ) )
         != ( op1 @ e12 @ e12 ) )
        & ( ( op1 @ e13 @ ( op1 @ e12 @ e13 ) )
         != ( op1 @ e12 @ e13 ) ) )
      | ( ( ( op1 @ e10 @ ( op1 @ e13 @ e10 ) )
         != ( op1 @ e13 @ e10 ) )
        & ( ( op1 @ e11 @ ( op1 @ e13 @ e11 ) )
         != ( op1 @ e13 @ e11 ) )
        & ( ( op1 @ e12 @ ( op1 @ e13 @ e12 ) )
         != ( op1 @ e13 @ e12 ) )
        & ( ( op1 @ e13 @ ( op1 @ e13 @ e13 ) )
         != ( op1 @ e13 @ e13 ) ) ) )
    & ( ( ( op1 @ e10 @ e10 )
        = e10 )
      | ( ( op1 @ e11 @ e11 )
        = e11 )
      | ( ( op1 @ e12 @ e12 )
        = e12 )
      | ( ( op1 @ e13 @ e13 )
        = e13 ) )
    & ( ( ( op1 @ e10 @ e10 )
       != e10 )
      | ( ( op1 @ e10 @ e10 )
        = e10 ) )
    & ( ( ( op1 @ e10 @ e10 )
       != e11 )
      | ( ( op1 @ e10 @ e11 )
        = e10 ) )
    & ( ( ( op1 @ e10 @ e10 )
       != e12 )
      | ( ( op1 @ e10 @ e12 )
        = e10 ) )
    & ( ( ( op1 @ e10 @ e10 )
       != e13 )
      | ( ( op1 @ e10 @ e13 )
        = e10 ) )
    & ( ( ( op1 @ e11 @ e11 )
       != e10 )
      | ( ( op1 @ e11 @ e10 )
        = e11 ) )
    & ( ( ( op1 @ e11 @ e11 )
       != e11 )
      | ( ( op1 @ e11 @ e11 )
        = e11 ) )
    & ( ( ( op1 @ e11 @ e11 )
       != e12 )
      | ( ( op1 @ e11 @ e12 )
        = e11 ) )
    & ( ( ( op1 @ e11 @ e11 )
       != e13 )
      | ( ( op1 @ e11 @ e13 )
        = e11 ) )
    & ( ( ( op1 @ e12 @ e12 )
       != e10 )
      | ( ( op1 @ e12 @ e10 )
        = e12 ) )
    & ( ( ( op1 @ e12 @ e12 )
       != e11 )
      | ( ( op1 @ e12 @ e11 )
        = e12 ) )
    & ( ( ( op1 @ e12 @ e12 )
       != e12 )
      | ( ( op1 @ e12 @ e12 )
        = e12 ) )
    & ( ( ( op1 @ e12 @ e12 )
       != e13 )
      | ( ( op1 @ e12 @ e13 )
        = e12 ) )
    & ( ( ( op1 @ e13 @ e13 )
       != e10 )
      | ( ( op1 @ e13 @ e10 )
        = e13 ) )
    & ( ( ( op1 @ e13 @ e13 )
       != e11 )
      | ( ( op1 @ e13 @ e11 )
        = e13 ) )
    & ( ( ( op1 @ e13 @ e13 )
       != e12 )
      | ( ( op1 @ e13 @ e12 )
        = e13 ) )
    & ( ( ( op1 @ e13 @ e13 )
       != e13 )
      | ( ( op1 @ e13 @ e13 )
        = e13 ) ) ) ).

thf(zf_stmt_0,axiom,
    ( zip_tseitin_2
   => ( ( ( op1 @ e13 @ ( op1 @ e12 @ e13 ) )
       != ( op1 @ e12 @ e13 ) )
      & ( ( op1 @ e12 @ ( op1 @ e12 @ e12 ) )
       != ( op1 @ e12 @ e12 ) )
      & ( ( op1 @ e11 @ ( op1 @ e12 @ e11 ) )
       != ( op1 @ e12 @ e11 ) )
      & ( ( op1 @ e10 @ ( op1 @ e12 @ e10 ) )
       != ( op1 @ e12 @ e10 ) ) ) ) ).

thf(zip_derived_cl229,plain,
    ( ( ( op1 @ e12 @ ( op1 @ e12 @ e12 ) )
     != ( op1 @ e12 @ e12 ) )
    | ~ zip_tseitin_2 ),
    inference(cnf,[status(esa)],[zf_stmt_0]) ).

thf(zip_derived_cl1736,plain,
    ( ( ( op1 @ e12 @ ( op1 @ e12 @ e12 ) )
     != ( op1 @ e12 @ e12 ) )
   <= ( ( op1 @ e12 @ ( op1 @ e12 @ e12 ) )
     != ( op1 @ e12 @ e12 ) ) ),
    inference(split,[status(esa)],[zip_derived_cl229]) ).

thf(zip_derived_cl27089,plain,
    ( ( ( op1 @ e12 @ e12 )
     != e12 )
   <= ( ( ( op1 @ e12 @ ( op1 @ e12 @ e12 ) )
       != ( op1 @ e12 @ e12 ) )
      & ( ( op1 @ e12 @ e12 )
        = e12 ) ) ),
    inference('s_sup-',[status(thm)],[zip_derived_cl1356,zip_derived_cl1736]) ).

thf(zip_derived_cl1356_001,plain,
    ( ( ( op1 @ e12 @ e12 )
      = e12 )
   <= ( ( op1 @ e12 @ e12 )
      = e12 ) ),
    inference(split,[status(esa)],[zip_derived_cl5]) ).

thf(zip_derived_cl27090,plain,
    ( ( e12 != e12 )
   <= ( ( ( op1 @ e12 @ ( op1 @ e12 @ e12 ) )
       != ( op1 @ e12 @ e12 ) )
      & ( ( op1 @ e12 @ e12 )
        = e12 ) ) ),
    inference(demod,[status(thm)],[zip_derived_cl27089,zip_derived_cl1356]) ).

thf('0',plain,
    ( ( ( op1 @ e12 @ ( op1 @ e12 @ e12 ) )
      = ( op1 @ e12 @ e12 ) )
    | ( ( op1 @ e12 @ e12 )
     != e12 ) ),
    inference(simplify,[status(thm)],[zip_derived_cl27090]) ).

thf('1',plain,
    ( ~ zip_tseitin_2
    | ( ( op1 @ e12 @ ( op1 @ e12 @ e12 ) )
     != ( op1 @ e12 @ e12 ) ) ),
    inference(split,[status(esa)],[zip_derived_cl229]) ).

thf(zip_derived_cl1,plain,
    ( ( ( op1 @ e13 @ e12 )
      = e13 )
    | ( ( op1 @ e13 @ e12 )
      = e12 )
    | ( ( op1 @ e13 @ e12 )
      = e11 )
    | ( ( op1 @ e13 @ e12 )
      = e10 ) ),
    inference(cnf,[status(esa)],[ax1]) ).

thf(zip_derived_cl1339,plain,
    ( ( ( op1 @ e13 @ e12 )
      = e11 )
   <= ( ( op1 @ e13 @ e12 )
      = e11 ) ),
    inference(split,[status(esa)],[zip_derived_cl1]) ).

thf(zip_derived_cl1338,plain,
    ( ( ( op1 @ e13 @ e12 )
      = e10 )
   <= ( ( op1 @ e13 @ e12 )
      = e10 ) ),
    inference(split,[status(esa)],[zip_derived_cl1]) ).

thf(zip_derived_cl22822,plain,
    ( ( e11 = e10 )
   <= ( ( ( op1 @ e13 @ e12 )
        = e10 )
      & ( ( op1 @ e13 @ e12 )
        = e11 ) ) ),
    inference('s_sup+',[status(thm)],[zip_derived_cl1339,zip_derived_cl1338]) ).

thf(ax7,axiom,
    ( ( e12 != e13 )
    & ( e11 != e13 )
    & ( e11 != e12 )
    & ( e10 != e13 )
    & ( e10 != e12 )
    & ( e10 != e11 ) ) ).

thf(zip_derived_cl197,plain,
    e10 != e11,
    inference(cnf,[status(esa)],[ax7]) ).

thf('2',plain,
    ( ( ( op1 @ e13 @ e12 )
     != e11 )
    | ( ( op1 @ e13 @ e12 )
     != e10 ) ),
    inference('simplify_reflect-',[status(thm)],[zip_derived_cl22822,zip_derived_cl197]) ).

thf(zip_derived_cl4,plain,
    ( ( ( op1 @ e12 @ e13 )
      = e13 )
    | ( ( op1 @ e12 @ e13 )
      = e12 )
    | ( ( op1 @ e12 @ e13 )
      = e11 )
    | ( ( op1 @ e12 @ e13 )
      = e10 ) ),
    inference(cnf,[status(esa)],[ax1]) ).

thf(zip_derived_cl1351,plain,
    ( ( ( op1 @ e12 @ e13 )
      = e11 )
   <= ( ( op1 @ e12 @ e13 )
      = e11 ) ),
    inference(split,[status(esa)],[zip_derived_cl4]) ).

thf(ax5,axiom,
    ( ( ( op1 @ e13 @ e12 )
     != ( op1 @ e13 @ e13 ) )
    & ( ( op1 @ e13 @ e11 )
     != ( op1 @ e13 @ e13 ) )
    & ( ( op1 @ e13 @ e11 )
     != ( op1 @ e13 @ e12 ) )
    & ( ( op1 @ e13 @ e10 )
     != ( op1 @ e13 @ e13 ) )
    & ( ( op1 @ e13 @ e10 )
     != ( op1 @ e13 @ e12 ) )
    & ( ( op1 @ e13 @ e10 )
     != ( op1 @ e13 @ e11 ) )
    & ( ( op1 @ e12 @ e12 )
     != ( op1 @ e12 @ e13 ) )
    & ( ( op1 @ e12 @ e11 )
     != ( op1 @ e12 @ e13 ) )
    & ( ( op1 @ e12 @ e11 )
     != ( op1 @ e12 @ e12 ) )
    & ( ( op1 @ e12 @ e10 )
     != ( op1 @ e12 @ e13 ) )
    & ( ( op1 @ e12 @ e10 )
     != ( op1 @ e12 @ e12 ) )
    & ( ( op1 @ e12 @ e10 )
     != ( op1 @ e12 @ e11 ) )
    & ( ( op1 @ e11 @ e12 )
     != ( op1 @ e11 @ e13 ) )
    & ( ( op1 @ e11 @ e11 )
     != ( op1 @ e11 @ e13 ) )
    & ( ( op1 @ e11 @ e11 )
     != ( op1 @ e11 @ e12 ) )
    & ( ( op1 @ e11 @ e10 )
     != ( op1 @ e11 @ e13 ) )
    & ( ( op1 @ e11 @ e10 )
     != ( op1 @ e11 @ e12 ) )
    & ( ( op1 @ e11 @ e10 )
     != ( op1 @ e11 @ e11 ) )
    & ( ( op1 @ e10 @ e12 )
     != ( op1 @ e10 @ e13 ) )
    & ( ( op1 @ e10 @ e11 )
     != ( op1 @ e10 @ e13 ) )
    & ( ( op1 @ e10 @ e11 )
     != ( op1 @ e10 @ e12 ) )
    & ( ( op1 @ e10 @ e10 )
     != ( op1 @ e10 @ e13 ) )
    & ( ( op1 @ e10 @ e10 )
     != ( op1 @ e10 @ e12 ) )
    & ( ( op1 @ e10 @ e10 )
     != ( op1 @ e10 @ e11 ) )
    & ( ( op1 @ e12 @ e13 )
     != ( op1 @ e13 @ e13 ) )
    & ( ( op1 @ e11 @ e13 )
     != ( op1 @ e13 @ e13 ) )
    & ( ( op1 @ e11 @ e13 )
     != ( op1 @ e12 @ e13 ) )
    & ( ( op1 @ e10 @ e13 )
     != ( op1 @ e13 @ e13 ) )
    & ( ( op1 @ e10 @ e13 )
     != ( op1 @ e12 @ e13 ) )
    & ( ( op1 @ e10 @ e13 )
     != ( op1 @ e11 @ e13 ) )
    & ( ( op1 @ e12 @ e12 )
     != ( op1 @ e13 @ e12 ) )
    & ( ( op1 @ e11 @ e12 )
     != ( op1 @ e13 @ e12 ) )
    & ( ( op1 @ e11 @ e12 )
     != ( op1 @ e12 @ e12 ) )
    & ( ( op1 @ e10 @ e12 )
     != ( op1 @ e13 @ e12 ) )
    & ( ( op1 @ e10 @ e12 )
     != ( op1 @ e12 @ e12 ) )
    & ( ( op1 @ e10 @ e12 )
     != ( op1 @ e11 @ e12 ) )
    & ( ( op1 @ e12 @ e11 )
     != ( op1 @ e13 @ e11 ) )
    & ( ( op1 @ e11 @ e11 )
     != ( op1 @ e13 @ e11 ) )
    & ( ( op1 @ e11 @ e11 )
     != ( op1 @ e12 @ e11 ) )
    & ( ( op1 @ e10 @ e11 )
     != ( op1 @ e13 @ e11 ) )
    & ( ( op1 @ e10 @ e11 )
     != ( op1 @ e12 @ e11 ) )
    & ( ( op1 @ e10 @ e11 )
     != ( op1 @ e11 @ e11 ) )
    & ( ( op1 @ e12 @ e10 )
     != ( op1 @ e13 @ e10 ) )
    & ( ( op1 @ e11 @ e10 )
     != ( op1 @ e13 @ e10 ) )
    & ( ( op1 @ e11 @ e10 )
     != ( op1 @ e12 @ e10 ) )
    & ( ( op1 @ e10 @ e10 )
     != ( op1 @ e13 @ e10 ) )
    & ( ( op1 @ e10 @ e10 )
     != ( op1 @ e12 @ e10 ) )
    & ( ( op1 @ e10 @ e10 )
     != ( op1 @ e11 @ e10 ) ) ) ).

thf(zip_derived_cl120,plain,
    ( ( op1 @ e12 @ e13 )
   != ( op1 @ e13 @ e13 ) ),
    inference(cnf,[status(esa)],[ax5]) ).

thf(ax12,axiom,
    ( ( e12
      = ( op1 @ e13 @ ( op1 @ ( op1 @ e13 @ e13 ) @ ( op1 @ e13 @ e13 ) ) ) )
    & ( e11
      = ( op1 @ e13 @ e13 ) )
    & ( e10
      = ( op1 @ ( op1 @ e13 @ e13 ) @ ( op1 @ e13 @ e13 ) ) ) ) ).

thf(zip_derived_cl289,plain,
    ( e11
    = ( op1 @ e13 @ e13 ) ),
    inference(cnf,[status(esa)],[ax12]) ).

thf(zip_derived_cl22612,plain,
    ( ( op1 @ e12 @ e13 )
   != e11 ),
    inference(demod,[status(thm)],[zip_derived_cl120,zip_derived_cl289]) ).

thf(zip_derived_cl27538,plain,
    ( ( e11 != e11 )
   <= ( ( op1 @ e12 @ e13 )
      = e11 ) ),
    inference('s_sup-',[status(thm)],[zip_derived_cl1351,zip_derived_cl22612]) ).

thf('3',plain,
    ( ( op1 @ e12 @ e13 )
   != e11 ),
    inference(simplify,[status(thm)],[zip_derived_cl27538]) ).

thf(zip_derived_cl6,plain,
    ( ( ( op1 @ e12 @ e11 )
      = e13 )
    | ( ( op1 @ e12 @ e11 )
      = e12 )
    | ( ( op1 @ e12 @ e11 )
      = e11 )
    | ( ( op1 @ e12 @ e11 )
      = e10 ) ),
    inference(cnf,[status(esa)],[ax1]) ).

thf(zip_derived_cl1359,plain,
    ( ( ( op1 @ e12 @ e11 )
      = e11 )
   <= ( ( op1 @ e12 @ e11 )
      = e11 ) ),
    inference(split,[status(esa)],[zip_derived_cl6]) ).

thf(zip_derived_cl13,plain,
    ( ( ( op1 @ e10 @ e12 )
      = e13 )
    | ( ( op1 @ e10 @ e12 )
      = e12 )
    | ( ( op1 @ e10 @ e12 )
      = e11 )
    | ( ( op1 @ e10 @ e12 )
      = e10 ) ),
    inference(cnf,[status(esa)],[ax1]) ).

thf(zip_derived_cl1387,plain,
    ( ( ( op1 @ e10 @ e12 )
      = e11 )
   <= ( ( op1 @ e10 @ e12 )
      = e11 ) ),
    inference(split,[status(esa)],[zip_derived_cl13]) ).

thf(zf_stmt_1,axiom,
    ( zip_tseitin_0
   => ( ( ( op1 @ e13 @ ( op1 @ e10 @ e13 ) )
       != ( op1 @ e10 @ e13 ) )
      & ( ( op1 @ e12 @ ( op1 @ e10 @ e12 ) )
       != ( op1 @ e10 @ e12 ) )
      & ( ( op1 @ e11 @ ( op1 @ e10 @ e11 ) )
       != ( op1 @ e10 @ e11 ) )
      & ( ( op1 @ e10 @ ( op1 @ e10 @ e10 ) )
       != ( op1 @ e10 @ e10 ) ) ) ) ).

thf(zip_derived_cl221,plain,
    ( ( ( op1 @ e12 @ ( op1 @ e10 @ e12 ) )
     != ( op1 @ e10 @ e12 ) )
    | ~ zip_tseitin_0 ),
    inference(cnf,[status(esa)],[zf_stmt_1]) ).

thf(zip_derived_cl1720,plain,
    ( ( ( op1 @ e12 @ ( op1 @ e10 @ e12 ) )
     != ( op1 @ e10 @ e12 ) )
   <= ( ( op1 @ e12 @ ( op1 @ e10 @ e12 ) )
     != ( op1 @ e10 @ e12 ) ) ),
    inference(split,[status(esa)],[zip_derived_cl221]) ).

thf(zip_derived_cl26887,plain,
    ( ( ( op1 @ e12 @ e11 )
     != e11 )
   <= ( ( ( op1 @ e12 @ ( op1 @ e10 @ e12 ) )
       != ( op1 @ e10 @ e12 ) )
      & ( ( op1 @ e10 @ e12 )
        = e11 ) ) ),
    inference('s_sup-',[status(thm)],[zip_derived_cl1387,zip_derived_cl1720]) ).

thf(zip_derived_cl28056,plain,
    ( ( e11 != e11 )
   <= ( ( ( op1 @ e12 @ ( op1 @ e10 @ e12 ) )
       != ( op1 @ e10 @ e12 ) )
      & ( ( op1 @ e12 @ e11 )
        = e11 )
      & ( ( op1 @ e10 @ e12 )
        = e11 ) ) ),
    inference('s_sup-',[status(thm)],[zip_derived_cl1359,zip_derived_cl26887]) ).

thf('4',plain,
    ( ( ( op1 @ e12 @ ( op1 @ e10 @ e12 ) )
      = ( op1 @ e10 @ e12 ) )
    | ( ( op1 @ e12 @ e11 )
     != e11 )
    | ( ( op1 @ e10 @ e12 )
     != e11 ) ),
    inference(simplify,[status(thm)],[zip_derived_cl28056]) ).

thf('5',plain,
    ( ~ zip_tseitin_0
    | ( ( op1 @ e12 @ ( op1 @ e10 @ e12 ) )
     != ( op1 @ e10 @ e12 ) ) ),
    inference(split,[status(esa)],[zip_derived_cl221]) ).

thf(zip_derived_cl7,plain,
    ( ( ( op1 @ e12 @ e10 )
      = e13 )
    | ( ( op1 @ e12 @ e10 )
      = e12 )
    | ( ( op1 @ e12 @ e10 )
      = e11 )
    | ( ( op1 @ e12 @ e10 )
      = e10 ) ),
    inference(cnf,[status(esa)],[ax1]) ).

thf(zip_derived_cl1365,plain,
    ( ( ( op1 @ e12 @ e10 )
      = e13 )
   <= ( ( op1 @ e12 @ e10 )
      = e13 ) ),
    inference(split,[status(esa)],[zip_derived_cl7]) ).

thf(zip_derived_cl1363,plain,
    ( ( ( op1 @ e12 @ e10 )
      = e11 )
   <= ( ( op1 @ e12 @ e10 )
      = e11 ) ),
    inference(split,[status(esa)],[zip_derived_cl7]) ).

thf(zip_derived_cl23172,plain,
    ( ( e13 = e11 )
   <= ( ( ( op1 @ e12 @ e10 )
        = e11 )
      & ( ( op1 @ e12 @ e10 )
        = e13 ) ) ),
    inference('s_sup+',[status(thm)],[zip_derived_cl1365,zip_derived_cl1363]) ).

thf(zip_derived_cl193,plain,
    e11 != e13,
    inference(cnf,[status(esa)],[ax7]) ).

thf('6',plain,
    ( ( ( op1 @ e12 @ e10 )
     != e11 )
    | ( ( op1 @ e12 @ e10 )
     != e13 ) ),
    inference('simplify_reflect-',[status(thm)],[zip_derived_cl23172,zip_derived_cl193]) ).

thf('7',plain,
    ( ( ( op1 @ e12 @ e10 )
      = e10 )
    | ( ( op1 @ e12 @ e10 )
      = e13 )
    | ( ( op1 @ e12 @ e10 )
      = e12 )
    | ( ( op1 @ e12 @ e10 )
      = e11 ) ),
    inference(split,[status(esa)],[zip_derived_cl7]) ).

thf(zip_derived_cl1362,plain,
    ( ( ( op1 @ e12 @ e10 )
      = e10 )
   <= ( ( op1 @ e12 @ e10 )
      = e10 ) ),
    inference(split,[status(esa)],[zip_derived_cl7]) ).

thf(zf_stmt_2,axiom,
    ( zip_tseitin_3
   => ( ( ( op1 @ e13 @ ( op1 @ e13 @ e13 ) )
       != ( op1 @ e13 @ e13 ) )
      & ( ( op1 @ e12 @ ( op1 @ e13 @ e12 ) )
       != ( op1 @ e13 @ e12 ) )
      & ( ( op1 @ e11 @ ( op1 @ e13 @ e11 ) )
       != ( op1 @ e13 @ e11 ) )
      & ( ( op1 @ e10 @ ( op1 @ e13 @ e10 ) )
       != ( op1 @ e13 @ e10 ) ) ) ) ).

thf(zip_derived_cl233,plain,
    ( ( ( op1 @ e12 @ ( op1 @ e13 @ e12 ) )
     != ( op1 @ e13 @ e12 ) )
    | ~ zip_tseitin_3 ),
    inference(cnf,[status(esa)],[zf_stmt_2]) ).

thf(zip_derived_cl1744,plain,
    ( ( ( op1 @ e12 @ ( op1 @ e13 @ e12 ) )
     != ( op1 @ e13 @ e12 ) )
   <= ( ( op1 @ e12 @ ( op1 @ e13 @ e12 ) )
     != ( op1 @ e13 @ e12 ) ) ),
    inference(split,[status(esa)],[zip_derived_cl233]) ).

thf(ax2,axiom,
    ( ( ( ( op1 @ e13 @ e13 )
        = e13 )
      | ( ( op1 @ e12 @ e13 )
        = e13 )
      | ( ( op1 @ e11 @ e13 )
        = e13 )
      | ( ( op1 @ e10 @ e13 )
        = e13 ) )
    & ( ( ( op1 @ e13 @ e13 )
        = e13 )
      | ( ( op1 @ e13 @ e12 )
        = e13 )
      | ( ( op1 @ e13 @ e11 )
        = e13 )
      | ( ( op1 @ e13 @ e10 )
        = e13 ) )
    & ( ( ( op1 @ e13 @ e13 )
        = e12 )
      | ( ( op1 @ e12 @ e13 )
        = e12 )
      | ( ( op1 @ e11 @ e13 )
        = e12 )
      | ( ( op1 @ e10 @ e13 )
        = e12 ) )
    & ( ( ( op1 @ e13 @ e13 )
        = e12 )
      | ( ( op1 @ e13 @ e12 )
        = e12 )
      | ( ( op1 @ e13 @ e11 )
        = e12 )
      | ( ( op1 @ e13 @ e10 )
        = e12 ) )
    & ( ( ( op1 @ e13 @ e13 )
        = e11 )
      | ( ( op1 @ e12 @ e13 )
        = e11 )
      | ( ( op1 @ e11 @ e13 )
        = e11 )
      | ( ( op1 @ e10 @ e13 )
        = e11 ) )
    & ( ( ( op1 @ e13 @ e13 )
        = e11 )
      | ( ( op1 @ e13 @ e12 )
        = e11 )
      | ( ( op1 @ e13 @ e11 )
        = e11 )
      | ( ( op1 @ e13 @ e10 )
        = e11 ) )
    & ( ( ( op1 @ e13 @ e13 )
        = e10 )
      | ( ( op1 @ e12 @ e13 )
        = e10 )
      | ( ( op1 @ e11 @ e13 )
        = e10 )
      | ( ( op1 @ e10 @ e13 )
        = e10 ) )
    & ( ( ( op1 @ e13 @ e13 )
        = e10 )
      | ( ( op1 @ e13 @ e12 )
        = e10 )
      | ( ( op1 @ e13 @ e11 )
        = e10 )
      | ( ( op1 @ e13 @ e10 )
        = e10 ) )
    & ( ( ( op1 @ e13 @ e12 )
        = e13 )
      | ( ( op1 @ e12 @ e12 )
        = e13 )
      | ( ( op1 @ e11 @ e12 )
        = e13 )
      | ( ( op1 @ e10 @ e12 )
        = e13 ) )
    & ( ( ( op1 @ e12 @ e13 )
        = e13 )
      | ( ( op1 @ e12 @ e12 )
        = e13 )
      | ( ( op1 @ e12 @ e11 )
        = e13 )
      | ( ( op1 @ e12 @ e10 )
        = e13 ) )
    & ( ( ( op1 @ e13 @ e12 )
        = e12 )
      | ( ( op1 @ e12 @ e12 )
        = e12 )
      | ( ( op1 @ e11 @ e12 )
        = e12 )
      | ( ( op1 @ e10 @ e12 )
        = e12 ) )
    & ( ( ( op1 @ e12 @ e13 )
        = e12 )
      | ( ( op1 @ e12 @ e12 )
        = e12 )
      | ( ( op1 @ e12 @ e11 )
        = e12 )
      | ( ( op1 @ e12 @ e10 )
        = e12 ) )
    & ( ( ( op1 @ e13 @ e12 )
        = e11 )
      | ( ( op1 @ e12 @ e12 )
        = e11 )
      | ( ( op1 @ e11 @ e12 )
        = e11 )
      | ( ( op1 @ e10 @ e12 )
        = e11 ) )
    & ( ( ( op1 @ e12 @ e13 )
        = e11 )
      | ( ( op1 @ e12 @ e12 )
        = e11 )
      | ( ( op1 @ e12 @ e11 )
        = e11 )
      | ( ( op1 @ e12 @ e10 )
        = e11 ) )
    & ( ( ( op1 @ e13 @ e12 )
        = e10 )
      | ( ( op1 @ e12 @ e12 )
        = e10 )
      | ( ( op1 @ e11 @ e12 )
        = e10 )
      | ( ( op1 @ e10 @ e12 )
        = e10 ) )
    & ( ( ( op1 @ e12 @ e13 )
        = e10 )
      | ( ( op1 @ e12 @ e12 )
        = e10 )
      | ( ( op1 @ e12 @ e11 )
        = e10 )
      | ( ( op1 @ e12 @ e10 )
        = e10 ) )
    & ( ( ( op1 @ e13 @ e11 )
        = e13 )
      | ( ( op1 @ e12 @ e11 )
        = e13 )
      | ( ( op1 @ e11 @ e11 )
        = e13 )
      | ( ( op1 @ e10 @ e11 )
        = e13 ) )
    & ( ( ( op1 @ e11 @ e13 )
        = e13 )
      | ( ( op1 @ e11 @ e12 )
        = e13 )
      | ( ( op1 @ e11 @ e11 )
        = e13 )
      | ( ( op1 @ e11 @ e10 )
        = e13 ) )
    & ( ( ( op1 @ e13 @ e11 )
        = e12 )
      | ( ( op1 @ e12 @ e11 )
        = e12 )
      | ( ( op1 @ e11 @ e11 )
        = e12 )
      | ( ( op1 @ e10 @ e11 )
        = e12 ) )
    & ( ( ( op1 @ e11 @ e13 )
        = e12 )
      | ( ( op1 @ e11 @ e12 )
        = e12 )
      | ( ( op1 @ e11 @ e11 )
        = e12 )
      | ( ( op1 @ e11 @ e10 )
        = e12 ) )
    & ( ( ( op1 @ e13 @ e11 )
        = e11 )
      | ( ( op1 @ e12 @ e11 )
        = e11 )
      | ( ( op1 @ e11 @ e11 )
        = e11 )
      | ( ( op1 @ e10 @ e11 )
        = e11 ) )
    & ( ( ( op1 @ e11 @ e13 )
        = e11 )
      | ( ( op1 @ e11 @ e12 )
        = e11 )
      | ( ( op1 @ e11 @ e11 )
        = e11 )
      | ( ( op1 @ e11 @ e10 )
        = e11 ) )
    & ( ( ( op1 @ e13 @ e11 )
        = e10 )
      | ( ( op1 @ e12 @ e11 )
        = e10 )
      | ( ( op1 @ e11 @ e11 )
        = e10 )
      | ( ( op1 @ e10 @ e11 )
        = e10 ) )
    & ( ( ( op1 @ e11 @ e13 )
        = e10 )
      | ( ( op1 @ e11 @ e12 )
        = e10 )
      | ( ( op1 @ e11 @ e11 )
        = e10 )
      | ( ( op1 @ e11 @ e10 )
        = e10 ) )
    & ( ( ( op1 @ e13 @ e10 )
        = e13 )
      | ( ( op1 @ e12 @ e10 )
        = e13 )
      | ( ( op1 @ e11 @ e10 )
        = e13 )
      | ( ( op1 @ e10 @ e10 )
        = e13 ) )
    & ( ( ( op1 @ e10 @ e13 )
        = e13 )
      | ( ( op1 @ e10 @ e12 )
        = e13 )
      | ( ( op1 @ e10 @ e11 )
        = e13 )
      | ( ( op1 @ e10 @ e10 )
        = e13 ) )
    & ( ( ( op1 @ e13 @ e10 )
        = e12 )
      | ( ( op1 @ e12 @ e10 )
        = e12 )
      | ( ( op1 @ e11 @ e10 )
        = e12 )
      | ( ( op1 @ e10 @ e10 )
        = e12 ) )
    & ( ( ( op1 @ e10 @ e13 )
        = e12 )
      | ( ( op1 @ e10 @ e12 )
        = e12 )
      | ( ( op1 @ e10 @ e11 )
        = e12 )
      | ( ( op1 @ e10 @ e10 )
        = e12 ) )
    & ( ( ( op1 @ e13 @ e10 )
        = e11 )
      | ( ( op1 @ e12 @ e10 )
        = e11 )
      | ( ( op1 @ e11 @ e10 )
        = e11 )
      | ( ( op1 @ e10 @ e10 )
        = e11 ) )
    & ( ( ( op1 @ e10 @ e13 )
        = e11 )
      | ( ( op1 @ e10 @ e12 )
        = e11 )
      | ( ( op1 @ e10 @ e11 )
        = e11 )
      | ( ( op1 @ e10 @ e10 )
        = e11 ) )
    & ( ( ( op1 @ e13 @ e10 )
        = e10 )
      | ( ( op1 @ e12 @ e10 )
        = e10 )
      | ( ( op1 @ e11 @ e10 )
        = e10 )
      | ( ( op1 @ e10 @ e10 )
        = e10 ) )
    & ( ( ( op1 @ e10 @ e13 )
        = e10 )
      | ( ( op1 @ e10 @ e12 )
        = e10 )
      | ( ( op1 @ e10 @ e11 )
        = e10 )
      | ( ( op1 @ e10 @ e10 )
        = e10 ) ) ) ).

thf(zip_derived_cl23,plain,
    ( ( ( op1 @ e13 @ e13 )
      = e10 )
    | ( ( op1 @ e13 @ e12 )
      = e10 )
    | ( ( op1 @ e13 @ e11 )
      = e10 )
    | ( ( op1 @ e13 @ e10 )
      = e10 ) ),
    inference(cnf,[status(esa)],[ax2]) ).

thf(zip_derived_cl1428,plain,
    ( ( ( op1 @ e13 @ e12 )
      = e10 )
   <= ( ( op1 @ e13 @ e12 )
      = e10 ) ),
    inference(split,[status(esa)],[zip_derived_cl23]) ).

thf(zip_derived_cl31,plain,
    ( ( ( op1 @ e12 @ e13 )
      = e10 )
    | ( ( op1 @ e12 @ e12 )
      = e10 )
    | ( ( op1 @ e12 @ e11 )
      = e10 )
    | ( ( op1 @ e12 @ e10 )
      = e10 ) ),
    inference(cnf,[status(esa)],[ax2]) ).

thf('8',plain,
    ( ( ( op1 @ e12 @ e13 )
      = e10 )
    | ( ( op1 @ e12 @ e10 )
      = e10 )
    | ( ( op1 @ e12 @ e12 )
      = e10 )
    | ( ( op1 @ e12 @ e11 )
      = e10 ) ),
    inference(split,[status(esa)],[zip_derived_cl31]) ).

thf(zip_derived_cl1356_002,plain,
    ( ( ( op1 @ e12 @ e12 )
      = e12 )
   <= ( ( op1 @ e12 @ e12 )
      = e12 ) ),
    inference(split,[status(esa)],[zip_derived_cl5]) ).

thf(zip_derived_cl1354,plain,
    ( ( ( op1 @ e12 @ e12 )
      = e10 )
   <= ( ( op1 @ e12 @ e12 )
      = e10 ) ),
    inference(split,[status(esa)],[zip_derived_cl5]) ).

thf(zip_derived_cl23065,plain,
    ( ( e12 = e10 )
   <= ( ( ( op1 @ e12 @ e12 )
        = e10 )
      & ( ( op1 @ e12 @ e12 )
        = e12 ) ) ),
    inference('s_sup+',[status(thm)],[zip_derived_cl1356,zip_derived_cl1354]) ).

thf(zip_derived_cl196,plain,
    e10 != e12,
    inference(cnf,[status(esa)],[ax7]) ).

thf('9',plain,
    ( ( ( op1 @ e12 @ e12 )
     != e10 )
    | ( ( op1 @ e12 @ e12 )
     != e12 ) ),
    inference('simplify_reflect-',[status(thm)],[zip_derived_cl23065,zip_derived_cl196]) ).

thf(zf_stmt_3,type,
    zip_tseitin_3: $o ).

thf(zf_stmt_4,type,
    zip_tseitin_2: $o ).

thf(zf_stmt_5,type,
    zip_tseitin_1: $o ).

thf(zf_stmt_6,axiom,
    ( zip_tseitin_1
   => ( ( ( op1 @ e13 @ ( op1 @ e11 @ e13 ) )
       != ( op1 @ e11 @ e13 ) )
      & ( ( op1 @ e12 @ ( op1 @ e11 @ e12 ) )
       != ( op1 @ e11 @ e12 ) )
      & ( ( op1 @ e11 @ ( op1 @ e11 @ e11 ) )
       != ( op1 @ e11 @ e11 ) )
      & ( ( op1 @ e10 @ ( op1 @ e11 @ e10 ) )
       != ( op1 @ e11 @ e10 ) ) ) ) ).

thf(zf_stmt_7,type,
    zip_tseitin_0: $o ).

thf(zf_stmt_8,axiom,
    ( ( ( ( op1 @ e13 @ e13 )
        = e13 )
      | ( ( op1 @ e13 @ e13 )
       != e13 ) )
    & ( ( ( op1 @ e13 @ e12 )
        = e13 )
      | ( ( op1 @ e13 @ e13 )
       != e12 ) )
    & ( ( ( op1 @ e13 @ e11 )
        = e13 )
      | ( ( op1 @ e13 @ e13 )
       != e11 ) )
    & ( ( ( op1 @ e13 @ e10 )
        = e13 )
      | ( ( op1 @ e13 @ e13 )
       != e10 ) )
    & ( ( ( op1 @ e12 @ e13 )
        = e12 )
      | ( ( op1 @ e12 @ e12 )
       != e13 ) )
    & ( ( ( op1 @ e12 @ e12 )
        = e12 )
      | ( ( op1 @ e12 @ e12 )
       != e12 ) )
    & ( ( ( op1 @ e12 @ e11 )
        = e12 )
      | ( ( op1 @ e12 @ e12 )
       != e11 ) )
    & ( ( ( op1 @ e12 @ e10 )
        = e12 )
      | ( ( op1 @ e12 @ e12 )
       != e10 ) )
    & ( ( ( op1 @ e11 @ e13 )
        = e11 )
      | ( ( op1 @ e11 @ e11 )
       != e13 ) )
    & ( ( ( op1 @ e11 @ e12 )
        = e11 )
      | ( ( op1 @ e11 @ e11 )
       != e12 ) )
    & ( ( ( op1 @ e11 @ e11 )
        = e11 )
      | ( ( op1 @ e11 @ e11 )
       != e11 ) )
    & ( ( ( op1 @ e11 @ e10 )
        = e11 )
      | ( ( op1 @ e11 @ e11 )
       != e10 ) )
    & ( ( ( op1 @ e10 @ e13 )
        = e10 )
      | ( ( op1 @ e10 @ e10 )
       != e13 ) )
    & ( ( ( op1 @ e10 @ e12 )
        = e10 )
      | ( ( op1 @ e10 @ e10 )
       != e12 ) )
    & ( ( ( op1 @ e10 @ e11 )
        = e10 )
      | ( ( op1 @ e10 @ e10 )
       != e11 ) )
    & ( ( ( op1 @ e10 @ e10 )
        = e10 )
      | ( ( op1 @ e10 @ e10 )
       != e10 ) )
    & ( ( ( op1 @ e13 @ e13 )
        = e13 )
      | ( ( op1 @ e12 @ e12 )
        = e12 )
      | ( ( op1 @ e11 @ e11 )
        = e11 )
      | ( ( op1 @ e10 @ e10 )
        = e10 ) )
    & ( zip_tseitin_3
      | zip_tseitin_2
      | zip_tseitin_1
      | zip_tseitin_0 ) ) ).

thf(zip_derived_cl243,plain,
    ( ( ( op1 @ e12 @ e10 )
      = e12 )
    | ( ( op1 @ e12 @ e12 )
     != e10 ) ),
    inference(cnf,[status(esa)],[zf_stmt_8]) ).

thf('10',plain,
    ( ( ( op1 @ e12 @ e12 )
     != e10 )
    | ( ( op1 @ e12 @ e10 )
      = e12 ) ),
    inference(split,[status(esa)],[zip_derived_cl243]) ).

thf(zip_derived_cl1361,plain,
    ( ( ( op1 @ e12 @ e11 )
      = e13 )
   <= ( ( op1 @ e12 @ e11 )
      = e13 ) ),
    inference(split,[status(esa)],[zip_derived_cl6]) ).

thf(zip_derived_cl1359_003,plain,
    ( ( ( op1 @ e12 @ e11 )
      = e11 )
   <= ( ( op1 @ e12 @ e11 )
      = e11 ) ),
    inference(split,[status(esa)],[zip_derived_cl6]) ).

thf(zip_derived_cl23126,plain,
    ( ( e13 = e11 )
   <= ( ( ( op1 @ e12 @ e11 )
        = e11 )
      & ( ( op1 @ e12 @ e11 )
        = e13 ) ) ),
    inference('s_sup+',[status(thm)],[zip_derived_cl1361,zip_derived_cl1359]) ).

thf(zip_derived_cl193_004,plain,
    e11 != e13,
    inference(cnf,[status(esa)],[ax7]) ).

thf('11',plain,
    ( ( ( op1 @ e12 @ e11 )
     != e13 )
    | ( ( op1 @ e12 @ e11 )
     != e11 ) ),
    inference('simplify_reflect-',[status(thm)],[zip_derived_cl23126,zip_derived_cl193]) ).

thf(zip_derived_cl1359_005,plain,
    ( ( ( op1 @ e12 @ e11 )
      = e11 )
   <= ( ( op1 @ e12 @ e11 )
      = e11 ) ),
    inference(split,[status(esa)],[zip_derived_cl6]) ).

thf(zip_derived_cl1358,plain,
    ( ( ( op1 @ e12 @ e11 )
      = e10 )
   <= ( ( op1 @ e12 @ e11 )
      = e10 ) ),
    inference(split,[status(esa)],[zip_derived_cl6]) ).

thf(zip_derived_cl23105,plain,
    ( ( e11 = e10 )
   <= ( ( ( op1 @ e12 @ e11 )
        = e10 )
      & ( ( op1 @ e12 @ e11 )
        = e11 ) ) ),
    inference('s_sup+',[status(thm)],[zip_derived_cl1359,zip_derived_cl1358]) ).

thf(zip_derived_cl197_006,plain,
    e10 != e11,
    inference(cnf,[status(esa)],[ax7]) ).

thf('12',plain,
    ( ( ( op1 @ e12 @ e11 )
     != e10 )
    | ( ( op1 @ e12 @ e11 )
     != e11 ) ),
    inference('simplify_reflect-',[status(thm)],[zip_derived_cl23105,zip_derived_cl197]) ).

thf(zip_derived_cl36,plain,
    ( ( ( op1 @ e13 @ e11 )
      = e11 )
    | ( ( op1 @ e12 @ e11 )
      = e11 )
    | ( ( op1 @ e11 @ e11 )
      = e11 )
    | ( ( op1 @ e10 @ e11 )
      = e11 ) ),
    inference(cnf,[status(esa)],[ax2]) ).

thf('13',plain,
    ( ( ( op1 @ e10 @ e11 )
      = e11 )
    | ( ( op1 @ e12 @ e11 )
      = e11 )
    | ( ( op1 @ e13 @ e11 )
      = e11 )
    | ( ( op1 @ e11 @ e11 )
      = e11 ) ),
    inference(split,[status(esa)],[zip_derived_cl36]) ).

thf(zip_derived_cl2,plain,
    ( ( ( op1 @ e13 @ e11 )
      = e13 )
    | ( ( op1 @ e13 @ e11 )
      = e12 )
    | ( ( op1 @ e13 @ e11 )
      = e11 )
    | ( ( op1 @ e13 @ e11 )
      = e10 ) ),
    inference(cnf,[status(esa)],[ax1]) ).

thf(zip_derived_cl1345,plain,
    ( ( ( op1 @ e13 @ e11 )
      = e13 )
   <= ( ( op1 @ e13 @ e11 )
      = e13 ) ),
    inference(split,[status(esa)],[zip_derived_cl2]) ).

thf(zip_derived_cl0,plain,
    ( ( ( op1 @ e13 @ e13 )
      = e13 )
    | ( ( op1 @ e13 @ e13 )
      = e12 )
    | ( ( op1 @ e13 @ e13 )
      = e11 )
    | ( ( op1 @ e13 @ e13 )
      = e10 ) ),
    inference(cnf,[status(esa)],[ax1]) ).

thf(zip_derived_cl1336,plain,
    ( ( ( op1 @ e13 @ e13 )
      = e12 )
   <= ( ( op1 @ e13 @ e13 )
      = e12 ) ),
    inference(split,[status(esa)],[zip_derived_cl0]) ).

thf(zip_derived_cl289_007,plain,
    ( e11
    = ( op1 @ e13 @ e13 ) ),
    inference(cnf,[status(esa)],[ax12]) ).

thf(zip_derived_cl22790,plain,
    ( ( e11 = e12 )
   <= ( ( op1 @ e13 @ e13 )
      = e12 ) ),
    inference(demod,[status(thm)],[zip_derived_cl1336,zip_derived_cl289]) ).

thf(zip_derived_cl194,plain,
    e11 != e12,
    inference(cnf,[status(esa)],[ax7]) ).

thf('14',plain,
    ( ( op1 @ e13 @ e13 )
   != e12 ),
    inference('simplify_reflect-',[status(thm)],[zip_derived_cl22790,zip_derived_cl194]) ).

thf(zip_derived_cl1334,plain,
    ( ( ( op1 @ e13 @ e13 )
      = e10 )
   <= ( ( op1 @ e13 @ e13 )
      = e10 ) ),
    inference(split,[status(esa)],[zip_derived_cl0]) ).

thf(zip_derived_cl289_008,plain,
    ( e11
    = ( op1 @ e13 @ e13 ) ),
    inference(cnf,[status(esa)],[ax12]) ).

thf(zip_derived_cl22768,plain,
    ( ( e11 = e10 )
   <= ( ( op1 @ e13 @ e13 )
      = e10 ) ),
    inference('s_sup+',[status(thm)],[zip_derived_cl1334,zip_derived_cl289]) ).

thf(zip_derived_cl197_009,plain,
    e10 != e11,
    inference(cnf,[status(esa)],[ax7]) ).

thf('15',plain,
    ( ( op1 @ e13 @ e13 )
   != e10 ),
    inference('simplify_reflect-',[status(thm)],[zip_derived_cl22768,zip_derived_cl197]) ).

thf(zip_derived_cl1337,plain,
    ( ( ( op1 @ e13 @ e13 )
      = e13 )
   <= ( ( op1 @ e13 @ e13 )
      = e13 ) ),
    inference(split,[status(esa)],[zip_derived_cl0]) ).

thf(zip_derived_cl289_010,plain,
    ( e11
    = ( op1 @ e13 @ e13 ) ),
    inference(cnf,[status(esa)],[ax12]) ).

thf(zip_derived_cl22798,plain,
    ( ( e11 = e13 )
   <= ( ( op1 @ e13 @ e13 )
      = e13 ) ),
    inference(demod,[status(thm)],[zip_derived_cl1337,zip_derived_cl289]) ).

thf(zip_derived_cl193_011,plain,
    e11 != e13,
    inference(cnf,[status(esa)],[ax7]) ).

thf('16',plain,
    ( ( op1 @ e13 @ e13 )
   != e13 ),
    inference('simplify_reflect-',[status(thm)],[zip_derived_cl22798,zip_derived_cl193]) ).

thf('17',plain,
    ( ( ( op1 @ e13 @ e13 )
      = e11 )
    | ( ( op1 @ e13 @ e13 )
      = e13 )
    | ( ( op1 @ e13 @ e13 )
      = e10 )
    | ( ( op1 @ e13 @ e13 )
      = e12 ) ),
    inference(split,[status(esa)],[zip_derived_cl0]) ).

thf(zip_derived_cl238,plain,
    ( ( ( op1 @ e13 @ e11 )
      = e13 )
    | ( ( op1 @ e13 @ e13 )
     != e11 ) ),
    inference(cnf,[status(esa)],[zf_stmt_8]) ).

thf('18',plain,
    ( ( ( op1 @ e13 @ e11 )
      = e13 )
    | ( ( op1 @ e13 @ e13 )
     != e11 ) ),
    inference(split,[status(esa)],[zip_derived_cl238]) ).

thf('19',plain,
    ( ( op1 @ e13 @ e11 )
    = e13 ),
    inference('sat_resolution*',[status(thm)],['14','15','16','17','18']) ).

thf(zip_derived_cl22905,plain,
    ( ( op1 @ e13 @ e11 )
    = e13 ),
    inference(simpl_trail,[status(thm)],[zip_derived_cl1345,'19']) ).

thf(zip_derived_cl1343,plain,
    ( ( ( op1 @ e13 @ e11 )
      = e11 )
   <= ( ( op1 @ e13 @ e11 )
      = e11 ) ),
    inference(split,[status(esa)],[zip_derived_cl2]) ).

thf(zip_derived_cl22911,plain,
    ( ( e13 = e11 )
   <= ( ( op1 @ e13 @ e11 )
      = e11 ) ),
    inference('s_sup+',[status(thm)],[zip_derived_cl22905,zip_derived_cl1343]) ).

thf(zip_derived_cl193_012,plain,
    e11 != e13,
    inference(cnf,[status(esa)],[ax7]) ).

thf('20',plain,
    ( ( op1 @ e13 @ e11 )
   != e11 ),
    inference('simplify_reflect-',[status(thm)],[zip_derived_cl22911,zip_derived_cl193]) ).

thf(zip_derived_cl14,plain,
    ( ( ( op1 @ e10 @ e11 )
      = e13 )
    | ( ( op1 @ e10 @ e11 )
      = e12 )
    | ( ( op1 @ e10 @ e11 )
      = e11 )
    | ( ( op1 @ e10 @ e11 )
      = e10 ) ),
    inference(cnf,[status(esa)],[ax1]) ).

thf(zip_derived_cl1392,plain,
    ( ( ( op1 @ e10 @ e11 )
      = e12 )
   <= ( ( op1 @ e10 @ e11 )
      = e12 ) ),
    inference(split,[status(esa)],[zip_derived_cl14]) ).

thf(zip_derived_cl1391,plain,
    ( ( ( op1 @ e10 @ e11 )
      = e11 )
   <= ( ( op1 @ e10 @ e11 )
      = e11 ) ),
    inference(split,[status(esa)],[zip_derived_cl14]) ).

thf(zip_derived_cl23485,plain,
    ( ( e12 = e11 )
   <= ( ( ( op1 @ e10 @ e11 )
        = e11 )
      & ( ( op1 @ e10 @ e11 )
        = e12 ) ) ),
    inference('s_sup+',[status(thm)],[zip_derived_cl1392,zip_derived_cl1391]) ).

thf(zip_derived_cl194_013,plain,
    e11 != e12,
    inference(cnf,[status(esa)],[ax7]) ).

thf('21',plain,
    ( ( ( op1 @ e10 @ e11 )
     != e12 )
    | ( ( op1 @ e10 @ e11 )
     != e11 ) ),
    inference('simplify_reflect-',[status(thm)],[zip_derived_cl23485,zip_derived_cl194]) ).

thf(zip_derived_cl34,plain,
    ( ( ( op1 @ e13 @ e11 )
      = e12 )
    | ( ( op1 @ e12 @ e11 )
      = e12 )
    | ( ( op1 @ e11 @ e11 )
      = e12 )
    | ( ( op1 @ e10 @ e11 )
      = e12 ) ),
    inference(cnf,[status(esa)],[ax2]) ).

thf('22',plain,
    ( ( ( op1 @ e12 @ e11 )
      = e12 )
    | ( ( op1 @ e10 @ e11 )
      = e12 )
    | ( ( op1 @ e13 @ e11 )
      = e12 )
    | ( ( op1 @ e11 @ e11 )
      = e12 ) ),
    inference(split,[status(esa)],[zip_derived_cl34]) ).

thf(zip_derived_cl10,plain,
    ( ( ( op1 @ e11 @ e11 )
      = e13 )
    | ( ( op1 @ e11 @ e11 )
      = e12 )
    | ( ( op1 @ e11 @ e11 )
      = e11 )
    | ( ( op1 @ e11 @ e11 )
      = e10 ) ),
    inference(cnf,[status(esa)],[ax1]) ).

thf(zip_derived_cl1376,plain,
    ( ( ( op1 @ e11 @ e11 )
      = e12 )
   <= ( ( op1 @ e11 @ e11 )
      = e12 ) ),
    inference(split,[status(esa)],[zip_derived_cl10]) ).

thf(zip_derived_cl290,plain,
    ( e10
    = ( op1 @ ( op1 @ e13 @ e13 ) @ ( op1 @ e13 @ e13 ) ) ),
    inference(cnf,[status(esa)],[ax12]) ).

thf(zip_derived_cl289_014,plain,
    ( e11
    = ( op1 @ e13 @ e13 ) ),
    inference(cnf,[status(esa)],[ax12]) ).

thf(zip_derived_cl289_015,plain,
    ( e11
    = ( op1 @ e13 @ e13 ) ),
    inference(cnf,[status(esa)],[ax12]) ).

thf(zip_derived_cl22621,plain,
    ( e10
    = ( op1 @ e11 @ e11 ) ),
    inference(demod,[status(thm)],[zip_derived_cl290,zip_derived_cl289,zip_derived_cl289]) ).

thf(zip_derived_cl23278,plain,
    ( ( e10 = e12 )
   <= ( ( op1 @ e11 @ e11 )
      = e12 ) ),
    inference(demod,[status(thm)],[zip_derived_cl1376,zip_derived_cl22621]) ).

thf(zip_derived_cl196_016,plain,
    e10 != e12,
    inference(cnf,[status(esa)],[ax7]) ).

thf('23',plain,
    ( ( op1 @ e11 @ e11 )
   != e12 ),
    inference('simplify_reflect-',[status(thm)],[zip_derived_cl23278,zip_derived_cl196]) ).

thf(zip_derived_cl25,plain,
    ( ( ( op1 @ e12 @ e13 )
      = e13 )
    | ( ( op1 @ e12 @ e12 )
      = e13 )
    | ( ( op1 @ e12 @ e11 )
      = e13 )
    | ( ( op1 @ e12 @ e10 )
      = e13 ) ),
    inference(cnf,[status(esa)],[ax2]) ).

thf('24',plain,
    ( ( ( op1 @ e12 @ e10 )
      = e13 )
    | ( ( op1 @ e12 @ e13 )
      = e13 )
    | ( ( op1 @ e12 @ e11 )
      = e13 )
    | ( ( op1 @ e12 @ e12 )
      = e13 ) ),
    inference(split,[status(esa)],[zip_derived_cl25]) ).

thf(zip_derived_cl29,plain,
    ( ( ( op1 @ e12 @ e13 )
      = e11 )
    | ( ( op1 @ e12 @ e12 )
      = e11 )
    | ( ( op1 @ e12 @ e11 )
      = e11 )
    | ( ( op1 @ e12 @ e10 )
      = e11 ) ),
    inference(cnf,[status(esa)],[ax2]) ).

thf('25',plain,
    ( ( ( op1 @ e12 @ e12 )
      = e11 )
    | ( ( op1 @ e12 @ e10 )
      = e11 )
    | ( ( op1 @ e12 @ e11 )
      = e11 )
    | ( ( op1 @ e12 @ e13 )
      = e11 ) ),
    inference(split,[status(esa)],[zip_derived_cl29]) ).

thf(zip_derived_cl1361_017,plain,
    ( ( ( op1 @ e12 @ e11 )
      = e13 )
   <= ( ( op1 @ e12 @ e11 )
      = e13 ) ),
    inference(split,[status(esa)],[zip_derived_cl6]) ).

thf(zip_derived_cl1360,plain,
    ( ( ( op1 @ e12 @ e11 )
      = e12 )
   <= ( ( op1 @ e12 @ e11 )
      = e12 ) ),
    inference(split,[status(esa)],[zip_derived_cl6]) ).

thf(zip_derived_cl23127,plain,
    ( ( e13 = e12 )
   <= ( ( ( op1 @ e12 @ e11 )
        = e12 )
      & ( ( op1 @ e12 @ e11 )
        = e13 ) ) ),
    inference('s_sup+',[status(thm)],[zip_derived_cl1361,zip_derived_cl1360]) ).

thf(zip_derived_cl192,plain,
    e12 != e13,
    inference(cnf,[status(esa)],[ax7]) ).

thf('26',plain,
    ( ( ( op1 @ e12 @ e11 )
     != e13 )
    | ( ( op1 @ e12 @ e11 )
     != e12 ) ),
    inference('simplify_reflect-',[status(thm)],[zip_derived_cl23127,zip_derived_cl192]) ).

thf(zip_derived_cl1360_018,plain,
    ( ( ( op1 @ e12 @ e11 )
      = e12 )
   <= ( ( op1 @ e12 @ e11 )
      = e12 ) ),
    inference(split,[status(esa)],[zip_derived_cl6]) ).

thf(zip_derived_cl1359_019,plain,
    ( ( ( op1 @ e12 @ e11 )
      = e11 )
   <= ( ( op1 @ e12 @ e11 )
      = e11 ) ),
    inference(split,[status(esa)],[zip_derived_cl6]) ).

thf(zip_derived_cl23113,plain,
    ( ( e12 = e11 )
   <= ( ( ( op1 @ e12 @ e11 )
        = e11 )
      & ( ( op1 @ e12 @ e11 )
        = e12 ) ) ),
    inference('s_sup+',[status(thm)],[zip_derived_cl1360,zip_derived_cl1359]) ).

thf(zip_derived_cl194_020,plain,
    e11 != e12,
    inference(cnf,[status(esa)],[ax7]) ).

thf('27',plain,
    ( ( ( op1 @ e12 @ e11 )
     != e11 )
    | ( ( op1 @ e12 @ e11 )
     != e12 ) ),
    inference('simplify_reflect-',[status(thm)],[zip_derived_cl23113,zip_derived_cl194]) ).

thf(zip_derived_cl1353,plain,
    ( ( ( op1 @ e12 @ e13 )
      = e13 )
   <= ( ( op1 @ e12 @ e13 )
      = e13 ) ),
    inference(split,[status(esa)],[zip_derived_cl4]) ).

thf(zip_derived_cl1351_021,plain,
    ( ( ( op1 @ e12 @ e13 )
      = e11 )
   <= ( ( op1 @ e12 @ e13 )
      = e11 ) ),
    inference(split,[status(esa)],[zip_derived_cl4]) ).

thf(zip_derived_cl23026,plain,
    ( ( e13 = e11 )
   <= ( ( ( op1 @ e12 @ e13 )
        = e11 )
      & ( ( op1 @ e12 @ e13 )
        = e13 ) ) ),
    inference('s_sup+',[status(thm)],[zip_derived_cl1353,zip_derived_cl1351]) ).

thf(zip_derived_cl193_022,plain,
    e11 != e13,
    inference(cnf,[status(esa)],[ax7]) ).

thf('28',plain,
    ( ( ( op1 @ e12 @ e13 )
     != e11 )
    | ( ( op1 @ e12 @ e13 )
     != e13 ) ),
    inference('simplify_reflect-',[status(thm)],[zip_derived_cl23026,zip_derived_cl193]) ).

thf(zip_derived_cl15,plain,
    ( ( ( op1 @ e10 @ e10 )
      = e13 )
    | ( ( op1 @ e10 @ e10 )
      = e12 )
    | ( ( op1 @ e10 @ e10 )
      = e11 )
    | ( ( op1 @ e10 @ e10 )
      = e10 ) ),
    inference(cnf,[status(esa)],[ax1]) ).

thf(zip_derived_cl1397,plain,
    ( ( ( op1 @ e10 @ e10 )
      = e13 )
   <= ( ( op1 @ e10 @ e10 )
      = e13 ) ),
    inference(split,[status(esa)],[zip_derived_cl15]) ).

thf(zip_derived_cl1394,plain,
    ( ( ( op1 @ e10 @ e10 )
      = e10 )
   <= ( ( op1 @ e10 @ e10 )
      = e10 ) ),
    inference(split,[status(esa)],[zip_derived_cl15]) ).

thf(zip_derived_cl23534,plain,
    ( ( e13 = e10 )
   <= ( ( ( op1 @ e10 @ e10 )
        = e10 )
      & ( ( op1 @ e10 @ e10 )
        = e13 ) ) ),
    inference('s_sup+',[status(thm)],[zip_derived_cl1397,zip_derived_cl1394]) ).

thf(zip_derived_cl195,plain,
    e10 != e13,
    inference(cnf,[status(esa)],[ax7]) ).

thf('29',plain,
    ( ( ( op1 @ e10 @ e10 )
     != e13 )
    | ( ( op1 @ e10 @ e10 )
     != e10 ) ),
    inference('simplify_reflect-',[status(thm)],[zip_derived_cl23534,zip_derived_cl195]) ).

thf(zip_derived_cl40,plain,
    ( ( ( op1 @ e13 @ e10 )
      = e13 )
    | ( ( op1 @ e12 @ e10 )
      = e13 )
    | ( ( op1 @ e11 @ e10 )
      = e13 )
    | ( ( op1 @ e10 @ e10 )
      = e13 ) ),
    inference(cnf,[status(esa)],[ax2]) ).

thf('30',plain,
    ( ( ( op1 @ e12 @ e10 )
      = e13 )
    | ( ( op1 @ e10 @ e10 )
      = e13 )
    | ( ( op1 @ e11 @ e10 )
      = e13 )
    | ( ( op1 @ e13 @ e10 )
      = e13 ) ),
    inference(split,[status(esa)],[zip_derived_cl40]) ).

thf(zip_derived_cl11,plain,
    ( ( ( op1 @ e11 @ e10 )
      = e13 )
    | ( ( op1 @ e11 @ e10 )
      = e12 )
    | ( ( op1 @ e11 @ e10 )
      = e11 )
    | ( ( op1 @ e11 @ e10 )
      = e10 ) ),
    inference(cnf,[status(esa)],[ax1]) ).

thf(zip_derived_cl1381,plain,
    ( ( ( op1 @ e11 @ e10 )
      = e13 )
   <= ( ( op1 @ e11 @ e10 )
      = e13 ) ),
    inference(split,[status(esa)],[zip_derived_cl11]) ).

thf(zip_derived_cl1379,plain,
    ( ( ( op1 @ e11 @ e10 )
      = e11 )
   <= ( ( op1 @ e11 @ e10 )
      = e11 ) ),
    inference(split,[status(esa)],[zip_derived_cl11]) ).

thf(zip_derived_cl1375,plain,
    ( ( ( op1 @ e11 @ e11 )
      = e11 )
   <= ( ( op1 @ e11 @ e11 )
      = e11 ) ),
    inference(split,[status(esa)],[zip_derived_cl10]) ).

thf(zip_derived_cl22621_023,plain,
    ( e10
    = ( op1 @ e11 @ e11 ) ),
    inference(demod,[status(thm)],[zip_derived_cl290,zip_derived_cl289,zip_derived_cl289]) ).

thf(zip_derived_cl23268,plain,
    ( ( e10 = e11 )
   <= ( ( op1 @ e11 @ e11 )
      = e11 ) ),
    inference(demod,[status(thm)],[zip_derived_cl1375,zip_derived_cl22621]) ).

thf(zip_derived_cl197_024,plain,
    e10 != e11,
    inference(cnf,[status(esa)],[ax7]) ).

thf('31',plain,
    ( ( op1 @ e11 @ e11 )
   != e11 ),
    inference('simplify_reflect-',[status(thm)],[zip_derived_cl23268,zip_derived_cl197]) ).

thf(zip_derived_cl1377,plain,
    ( ( ( op1 @ e11 @ e11 )
      = e13 )
   <= ( ( op1 @ e11 @ e11 )
      = e13 ) ),
    inference(split,[status(esa)],[zip_derived_cl10]) ).

thf(zip_derived_cl22621_025,plain,
    ( e10
    = ( op1 @ e11 @ e11 ) ),
    inference(demod,[status(thm)],[zip_derived_cl290,zip_derived_cl289,zip_derived_cl289]) ).

thf(zip_derived_cl23287,plain,
    ( ( e10 = e13 )
   <= ( ( op1 @ e11 @ e11 )
      = e13 ) ),
    inference(demod,[status(thm)],[zip_derived_cl1377,zip_derived_cl22621]) ).

thf(zip_derived_cl195_026,plain,
    e10 != e13,
    inference(cnf,[status(esa)],[ax7]) ).

thf('32',plain,
    ( ( op1 @ e11 @ e11 )
   != e13 ),
    inference('simplify_reflect-',[status(thm)],[zip_derived_cl23287,zip_derived_cl195]) ).

thf('33',plain,
    ( ( ( op1 @ e11 @ e11 )
      = e10 )
    | ( ( op1 @ e11 @ e11 )
      = e13 )
    | ( ( op1 @ e11 @ e11 )
      = e11 )
    | ( ( op1 @ e11 @ e11 )
      = e12 ) ),
    inference(split,[status(esa)],[zip_derived_cl10]) ).

thf(zip_derived_cl247,plain,
    ( ( ( op1 @ e11 @ e10 )
      = e11 )
    | ( ( op1 @ e11 @ e11 )
     != e10 ) ),
    inference(cnf,[status(esa)],[zf_stmt_8]) ).

thf('34',plain,
    ( ( ( op1 @ e11 @ e10 )
      = e11 )
    | ( ( op1 @ e11 @ e11 )
     != e10 ) ),
    inference(split,[status(esa)],[zip_derived_cl247]) ).

thf('35',plain,
    ( ( op1 @ e11 @ e10 )
    = e11 ),
    inference('sat_resolution*',[status(thm)],['23','31','32','33','34']) ).

thf(zip_derived_cl23309,plain,
    ( ( op1 @ e11 @ e10 )
    = e11 ),
    inference(simpl_trail,[status(thm)],[zip_derived_cl1379,'35']) ).

thf(zip_derived_cl23338,plain,
    ( ( e11 = e13 )
   <= ( ( op1 @ e11 @ e10 )
      = e13 ) ),
    inference(demod,[status(thm)],[zip_derived_cl1381,zip_derived_cl23309]) ).

thf(zip_derived_cl193_027,plain,
    e11 != e13,
    inference(cnf,[status(esa)],[ax7]) ).

thf('36',plain,
    ( ( op1 @ e11 @ e10 )
   != e13 ),
    inference('simplify_reflect-',[status(thm)],[zip_derived_cl23338,zip_derived_cl193]) ).

thf(zip_derived_cl3,plain,
    ( ( ( op1 @ e13 @ e10 )
      = e13 )
    | ( ( op1 @ e13 @ e10 )
      = e12 )
    | ( ( op1 @ e13 @ e10 )
      = e11 )
    | ( ( op1 @ e13 @ e10 )
      = e10 ) ),
    inference(cnf,[status(esa)],[ax1]) ).

thf(zip_derived_cl1349,plain,
    ( ( ( op1 @ e13 @ e10 )
      = e13 )
   <= ( ( op1 @ e13 @ e10 )
      = e13 ) ),
    inference(split,[status(esa)],[zip_derived_cl3]) ).

thf(zip_derived_cl1348,plain,
    ( ( ( op1 @ e13 @ e10 )
      = e12 )
   <= ( ( op1 @ e13 @ e10 )
      = e12 ) ),
    inference(split,[status(esa)],[zip_derived_cl3]) ).

thf(zip_derived_cl22971,plain,
    ( ( e13 = e12 )
   <= ( ( ( op1 @ e13 @ e10 )
        = e12 )
      & ( ( op1 @ e13 @ e10 )
        = e13 ) ) ),
    inference('s_sup+',[status(thm)],[zip_derived_cl1349,zip_derived_cl1348]) ).

thf(zip_derived_cl192_028,plain,
    e12 != e13,
    inference(cnf,[status(esa)],[ax7]) ).

thf('37',plain,
    ( ( ( op1 @ e13 @ e10 )
     != e13 )
    | ( ( op1 @ e13 @ e10 )
     != e12 ) ),
    inference('simplify_reflect-',[status(thm)],[zip_derived_cl22971,zip_derived_cl192]) ).

thf(zip_derived_cl1349_029,plain,
    ( ( ( op1 @ e13 @ e10 )
      = e13 )
   <= ( ( op1 @ e13 @ e10 )
      = e13 ) ),
    inference(split,[status(esa)],[zip_derived_cl3]) ).

thf(zip_derived_cl1346,plain,
    ( ( ( op1 @ e13 @ e10 )
      = e10 )
   <= ( ( op1 @ e13 @ e10 )
      = e10 ) ),
    inference(split,[status(esa)],[zip_derived_cl3]) ).

thf(zip_derived_cl22969,plain,
    ( ( e13 = e10 )
   <= ( ( ( op1 @ e13 @ e10 )
        = e10 )
      & ( ( op1 @ e13 @ e10 )
        = e13 ) ) ),
    inference('s_sup+',[status(thm)],[zip_derived_cl1349,zip_derived_cl1346]) ).

thf(zip_derived_cl195_030,plain,
    e10 != e13,
    inference(cnf,[status(esa)],[ax7]) ).

thf('38',plain,
    ( ( ( op1 @ e13 @ e10 )
     != e13 )
    | ( ( op1 @ e13 @ e10 )
     != e10 ) ),
    inference('simplify_reflect-',[status(thm)],[zip_derived_cl22969,zip_derived_cl195]) ).

thf(zip_derived_cl1365_031,plain,
    ( ( ( op1 @ e12 @ e10 )
      = e13 )
   <= ( ( op1 @ e12 @ e10 )
      = e13 ) ),
    inference(split,[status(esa)],[zip_derived_cl7]) ).

thf(zip_derived_cl1364,plain,
    ( ( ( op1 @ e12 @ e10 )
      = e12 )
   <= ( ( op1 @ e12 @ e10 )
      = e12 ) ),
    inference(split,[status(esa)],[zip_derived_cl7]) ).

thf(zip_derived_cl23173,plain,
    ( ( e13 = e12 )
   <= ( ( ( op1 @ e12 @ e10 )
        = e12 )
      & ( ( op1 @ e12 @ e10 )
        = e13 ) ) ),
    inference('s_sup+',[status(thm)],[zip_derived_cl1365,zip_derived_cl1364]) ).

thf(zip_derived_cl192_032,plain,
    e12 != e13,
    inference(cnf,[status(esa)],[ax7]) ).

thf('39',plain,
    ( ( ( op1 @ e12 @ e10 )
     != e12 )
    | ( ( op1 @ e12 @ e10 )
     != e13 ) ),
    inference('simplify_reflect-',[status(thm)],[zip_derived_cl23173,zip_derived_cl192]) ).

thf(zip_derived_cl1364_033,plain,
    ( ( ( op1 @ e12 @ e10 )
      = e12 )
   <= ( ( op1 @ e12 @ e10 )
      = e12 ) ),
    inference(split,[status(esa)],[zip_derived_cl7]) ).

thf(zip_derived_cl1363_034,plain,
    ( ( ( op1 @ e12 @ e10 )
      = e11 )
   <= ( ( op1 @ e12 @ e10 )
      = e11 ) ),
    inference(split,[status(esa)],[zip_derived_cl7]) ).

thf(zip_derived_cl23160,plain,
    ( ( e12 = e11 )
   <= ( ( ( op1 @ e12 @ e10 )
        = e11 )
      & ( ( op1 @ e12 @ e10 )
        = e12 ) ) ),
    inference('s_sup+',[status(thm)],[zip_derived_cl1364,zip_derived_cl1363]) ).

thf(zip_derived_cl194_035,plain,
    e11 != e12,
    inference(cnf,[status(esa)],[ax7]) ).

thf('40',plain,
    ( ( ( op1 @ e12 @ e10 )
     != e11 )
    | ( ( op1 @ e12 @ e10 )
     != e12 ) ),
    inference('simplify_reflect-',[status(thm)],[zip_derived_cl23160,zip_derived_cl194]) ).

thf(zip_derived_cl1364_036,plain,
    ( ( ( op1 @ e12 @ e10 )
      = e12 )
   <= ( ( op1 @ e12 @ e10 )
      = e12 ) ),
    inference(split,[status(esa)],[zip_derived_cl7]) ).

thf(zip_derived_cl1362_037,plain,
    ( ( ( op1 @ e12 @ e10 )
      = e10 )
   <= ( ( op1 @ e12 @ e10 )
      = e10 ) ),
    inference(split,[status(esa)],[zip_derived_cl7]) ).

thf(zip_derived_cl23159,plain,
    ( ( e12 = e10 )
   <= ( ( ( op1 @ e12 @ e10 )
        = e10 )
      & ( ( op1 @ e12 @ e10 )
        = e12 ) ) ),
    inference('s_sup+',[status(thm)],[zip_derived_cl1364,zip_derived_cl1362]) ).

thf(zip_derived_cl196_038,plain,
    e10 != e12,
    inference(cnf,[status(esa)],[ax7]) ).

thf('41',plain,
    ( ( ( op1 @ e12 @ e10 )
     != e10 )
    | ( ( op1 @ e12 @ e10 )
     != e12 ) ),
    inference('simplify_reflect-',[status(thm)],[zip_derived_cl23159,zip_derived_cl196]) ).

thf(zip_derived_cl1353_039,plain,
    ( ( ( op1 @ e12 @ e13 )
      = e13 )
   <= ( ( op1 @ e12 @ e13 )
      = e13 ) ),
    inference(split,[status(esa)],[zip_derived_cl4]) ).

thf(zip_derived_cl1350,plain,
    ( ( ( op1 @ e12 @ e13 )
      = e10 )
   <= ( ( op1 @ e12 @ e13 )
      = e10 ) ),
    inference(split,[status(esa)],[zip_derived_cl4]) ).

thf(zip_derived_cl23025,plain,
    ( ( e13 = e10 )
   <= ( ( ( op1 @ e12 @ e13 )
        = e10 )
      & ( ( op1 @ e12 @ e13 )
        = e13 ) ) ),
    inference('s_sup+',[status(thm)],[zip_derived_cl1353,zip_derived_cl1350]) ).

thf(zip_derived_cl195_040,plain,
    e10 != e13,
    inference(cnf,[status(esa)],[ax7]) ).

thf('42',plain,
    ( ( ( op1 @ e12 @ e13 )
     != e13 )
    | ( ( op1 @ e12 @ e13 )
     != e10 ) ),
    inference('simplify_reflect-',[status(thm)],[zip_derived_cl23025,zip_derived_cl195]) ).

thf(zip_derived_cl24,plain,
    ( ( ( op1 @ e13 @ e12 )
      = e13 )
    | ( ( op1 @ e12 @ e12 )
      = e13 )
    | ( ( op1 @ e11 @ e12 )
      = e13 )
    | ( ( op1 @ e10 @ e12 )
      = e13 ) ),
    inference(cnf,[status(esa)],[ax2]) ).

thf('43',plain,
    ( ( ( op1 @ e10 @ e12 )
      = e13 )
    | ( ( op1 @ e11 @ e12 )
      = e13 )
    | ( ( op1 @ e13 @ e12 )
      = e13 )
    | ( ( op1 @ e12 @ e12 )
      = e13 ) ),
    inference(split,[status(esa)],[zip_derived_cl24]) ).

thf(zip_derived_cl22905_041,plain,
    ( ( op1 @ e13 @ e11 )
    = e13 ),
    inference(simpl_trail,[status(thm)],[zip_derived_cl1345,'19']) ).

thf(zip_derived_cl1344,plain,
    ( ( ( op1 @ e13 @ e11 )
      = e12 )
   <= ( ( op1 @ e13 @ e11 )
      = e12 ) ),
    inference(split,[status(esa)],[zip_derived_cl2]) ).

thf(zip_derived_cl22912,plain,
    ( ( e13 = e12 )
   <= ( ( op1 @ e13 @ e11 )
      = e12 ) ),
    inference('s_sup+',[status(thm)],[zip_derived_cl22905,zip_derived_cl1344]) ).

thf(zip_derived_cl192_042,plain,
    e12 != e13,
    inference(cnf,[status(esa)],[ax7]) ).

thf('44',plain,
    ( ( op1 @ e13 @ e11 )
   != e12 ),
    inference('simplify_reflect-',[status(thm)],[zip_derived_cl22912,zip_derived_cl192]) ).

thf(zip_derived_cl1341,plain,
    ( ( ( op1 @ e13 @ e12 )
      = e13 )
   <= ( ( op1 @ e13 @ e12 )
      = e13 ) ),
    inference(split,[status(esa)],[zip_derived_cl1]) ).

thf(zip_derived_cl1340,plain,
    ( ( ( op1 @ e13 @ e12 )
      = e12 )
   <= ( ( op1 @ e13 @ e12 )
      = e12 ) ),
    inference(split,[status(esa)],[zip_derived_cl1]) ).

thf(zip_derived_cl22853,plain,
    ( ( e13 = e12 )
   <= ( ( ( op1 @ e13 @ e12 )
        = e12 )
      & ( ( op1 @ e13 @ e12 )
        = e13 ) ) ),
    inference('s_sup+',[status(thm)],[zip_derived_cl1341,zip_derived_cl1340]) ).

thf(zip_derived_cl192_043,plain,
    e12 != e13,
    inference(cnf,[status(esa)],[ax7]) ).

thf('45',plain,
    ( ( ( op1 @ e13 @ e12 )
     != e13 )
    | ( ( op1 @ e13 @ e12 )
     != e12 ) ),
    inference('simplify_reflect-',[status(thm)],[zip_derived_cl22853,zip_derived_cl192]) ).

thf(zip_derived_cl1341_044,plain,
    ( ( ( op1 @ e13 @ e12 )
      = e13 )
   <= ( ( op1 @ e13 @ e12 )
      = e13 ) ),
    inference(split,[status(esa)],[zip_derived_cl1]) ).

thf(zip_derived_cl1338_045,plain,
    ( ( ( op1 @ e13 @ e12 )
      = e10 )
   <= ( ( op1 @ e13 @ e12 )
      = e10 ) ),
    inference(split,[status(esa)],[zip_derived_cl1]) ).

thf(zip_derived_cl22851,plain,
    ( ( e13 = e10 )
   <= ( ( ( op1 @ e13 @ e12 )
        = e10 )
      & ( ( op1 @ e13 @ e12 )
        = e13 ) ) ),
    inference('s_sup+',[status(thm)],[zip_derived_cl1341,zip_derived_cl1338]) ).

thf(zip_derived_cl195_046,plain,
    e10 != e13,
    inference(cnf,[status(esa)],[ax7]) ).

thf('46',plain,
    ( ( ( op1 @ e13 @ e12 )
     != e13 )
    | ( ( op1 @ e13 @ e12 )
     != e10 ) ),
    inference('simplify_reflect-',[status(thm)],[zip_derived_cl22851,zip_derived_cl195]) ).

thf(zip_derived_cl28,plain,
    ( ( ( op1 @ e13 @ e12 )
      = e11 )
    | ( ( op1 @ e12 @ e12 )
      = e11 )
    | ( ( op1 @ e11 @ e12 )
      = e11 )
    | ( ( op1 @ e10 @ e12 )
      = e11 ) ),
    inference(cnf,[status(esa)],[ax2]) ).

thf('47',plain,
    ( ( ( op1 @ e12 @ e12 )
      = e11 )
    | ( ( op1 @ e10 @ e12 )
      = e11 )
    | ( ( op1 @ e13 @ e12 )
      = e11 )
    | ( ( op1 @ e11 @ e12 )
      = e11 ) ),
    inference(split,[status(esa)],[zip_derived_cl28]) ).

thf(zip_derived_cl1357,plain,
    ( ( ( op1 @ e12 @ e12 )
      = e13 )
   <= ( ( op1 @ e12 @ e12 )
      = e13 ) ),
    inference(split,[status(esa)],[zip_derived_cl5]) ).

thf(zip_derived_cl1356_047,plain,
    ( ( ( op1 @ e12 @ e12 )
      = e12 )
   <= ( ( op1 @ e12 @ e12 )
      = e12 ) ),
    inference(split,[status(esa)],[zip_derived_cl5]) ).

thf(zip_derived_cl23084,plain,
    ( ( e13 = e12 )
   <= ( ( ( op1 @ e12 @ e12 )
        = e12 )
      & ( ( op1 @ e12 @ e12 )
        = e13 ) ) ),
    inference('s_sup+',[status(thm)],[zip_derived_cl1357,zip_derived_cl1356]) ).

thf(zip_derived_cl192_048,plain,
    e12 != e13,
    inference(cnf,[status(esa)],[ax7]) ).

thf('48',plain,
    ( ( ( op1 @ e12 @ e12 )
     != e12 )
    | ( ( op1 @ e12 @ e12 )
     != e13 ) ),
    inference('simplify_reflect-',[status(thm)],[zip_derived_cl23084,zip_derived_cl192]) ).

thf(zip_derived_cl1356_049,plain,
    ( ( ( op1 @ e12 @ e12 )
      = e12 )
   <= ( ( op1 @ e12 @ e12 )
      = e12 ) ),
    inference(split,[status(esa)],[zip_derived_cl5]) ).

thf(zip_derived_cl1355,plain,
    ( ( ( op1 @ e12 @ e12 )
      = e11 )
   <= ( ( op1 @ e12 @ e12 )
      = e11 ) ),
    inference(split,[status(esa)],[zip_derived_cl5]) ).

thf(zip_derived_cl23066,plain,
    ( ( e12 = e11 )
   <= ( ( ( op1 @ e12 @ e12 )
        = e11 )
      & ( ( op1 @ e12 @ e12 )
        = e12 ) ) ),
    inference('s_sup+',[status(thm)],[zip_derived_cl1356,zip_derived_cl1355]) ).

thf(zip_derived_cl194_050,plain,
    e11 != e12,
    inference(cnf,[status(esa)],[ax7]) ).

thf('49',plain,
    ( ( ( op1 @ e12 @ e12 )
     != e12 )
    | ( ( op1 @ e12 @ e12 )
     != e11 ) ),
    inference('simplify_reflect-',[status(thm)],[zip_derived_cl23066,zip_derived_cl194]) ).

thf(zip_derived_cl252,plain,
    ( ( ( op1 @ e13 @ e13 )
      = e13 )
    | ( ( op1 @ e12 @ e12 )
      = e12 )
    | ( ( op1 @ e11 @ e11 )
      = e11 )
    | ( ( op1 @ e10 @ e10 )
      = e10 ) ),
    inference(cnf,[status(esa)],[zf_stmt_8]) ).

thf('50',plain,
    ( ( ( op1 @ e10 @ e10 )
      = e10 )
    | ( ( op1 @ e12 @ e12 )
      = e12 )
    | ( ( op1 @ e13 @ e13 )
      = e13 )
    | ( ( op1 @ e11 @ e11 )
      = e11 ) ),
    inference(split,[status(esa)],[zip_derived_cl252]) ).

thf(zip_derived_cl1389,plain,
    ( ( ( op1 @ e10 @ e12 )
      = e13 )
   <= ( ( op1 @ e10 @ e12 )
      = e13 ) ),
    inference(split,[status(esa)],[zip_derived_cl13]) ).

thf(zip_derived_cl1386,plain,
    ( ( ( op1 @ e10 @ e12 )
      = e10 )
   <= ( ( op1 @ e10 @ e12 )
      = e10 ) ),
    inference(split,[status(esa)],[zip_derived_cl13]) ).

thf(zip_derived_cl23446,plain,
    ( ( e13 = e10 )
   <= ( ( ( op1 @ e10 @ e12 )
        = e10 )
      & ( ( op1 @ e10 @ e12 )
        = e13 ) ) ),
    inference('s_sup+',[status(thm)],[zip_derived_cl1389,zip_derived_cl1386]) ).

thf(zip_derived_cl195_051,plain,
    e10 != e13,
    inference(cnf,[status(esa)],[ax7]) ).

thf('51',plain,
    ( ( ( op1 @ e10 @ e12 )
     != e10 )
    | ( ( op1 @ e10 @ e12 )
     != e13 ) ),
    inference('simplify_reflect-',[status(thm)],[zip_derived_cl23446,zip_derived_cl195]) ).

thf(zip_derived_cl1387_052,plain,
    ( ( ( op1 @ e10 @ e12 )
      = e11 )
   <= ( ( op1 @ e10 @ e12 )
      = e11 ) ),
    inference(split,[status(esa)],[zip_derived_cl13]) ).

thf(zip_derived_cl1386_053,plain,
    ( ( ( op1 @ e10 @ e12 )
      = e10 )
   <= ( ( op1 @ e10 @ e12 )
      = e10 ) ),
    inference(split,[status(esa)],[zip_derived_cl13]) ).

thf(zip_derived_cl23423,plain,
    ( ( e11 = e10 )
   <= ( ( ( op1 @ e10 @ e12 )
        = e10 )
      & ( ( op1 @ e10 @ e12 )
        = e11 ) ) ),
    inference('s_sup+',[status(thm)],[zip_derived_cl1387,zip_derived_cl1386]) ).

thf(zip_derived_cl197_054,plain,
    e10 != e11,
    inference(cnf,[status(esa)],[ax7]) ).

thf('52',plain,
    ( ( ( op1 @ e10 @ e12 )
     != e10 )
    | ( ( op1 @ e10 @ e12 )
     != e11 ) ),
    inference('simplify_reflect-',[status(thm)],[zip_derived_cl23423,zip_derived_cl197]) ).

thf(zip_derived_cl1396,plain,
    ( ( ( op1 @ e10 @ e10 )
      = e12 )
   <= ( ( op1 @ e10 @ e10 )
      = e12 ) ),
    inference(split,[status(esa)],[zip_derived_cl15]) ).

thf(zip_derived_cl1394_055,plain,
    ( ( ( op1 @ e10 @ e10 )
      = e10 )
   <= ( ( op1 @ e10 @ e10 )
      = e10 ) ),
    inference(split,[status(esa)],[zip_derived_cl15]) ).

thf(zip_derived_cl23524,plain,
    ( ( e12 = e10 )
   <= ( ( ( op1 @ e10 @ e10 )
        = e10 )
      & ( ( op1 @ e10 @ e10 )
        = e12 ) ) ),
    inference('s_sup+',[status(thm)],[zip_derived_cl1396,zip_derived_cl1394]) ).

thf(zip_derived_cl196_056,plain,
    e10 != e12,
    inference(cnf,[status(esa)],[ax7]) ).

thf('53',plain,
    ( ( ( op1 @ e10 @ e10 )
     != e12 )
    | ( ( op1 @ e10 @ e10 )
     != e10 ) ),
    inference('simplify_reflect-',[status(thm)],[zip_derived_cl23524,zip_derived_cl196]) ).

thf(zip_derived_cl249,plain,
    ( ( ( op1 @ e10 @ e12 )
      = e10 )
    | ( ( op1 @ e10 @ e10 )
     != e12 ) ),
    inference(cnf,[status(esa)],[zf_stmt_8]) ).

thf('54',plain,
    ( ( ( op1 @ e10 @ e10 )
     != e12 )
    | ( ( op1 @ e10 @ e12 )
      = e10 ) ),
    inference(split,[status(esa)],[zip_derived_cl249]) ).

thf(zip_derived_cl42,plain,
    ( ( ( op1 @ e13 @ e10 )
      = e12 )
    | ( ( op1 @ e12 @ e10 )
      = e12 )
    | ( ( op1 @ e11 @ e10 )
      = e12 )
    | ( ( op1 @ e10 @ e10 )
      = e12 ) ),
    inference(cnf,[status(esa)],[ax2]) ).

thf('55',plain,
    ( ( ( op1 @ e13 @ e10 )
      = e12 )
    | ( ( op1 @ e10 @ e10 )
      = e12 )
    | ( ( op1 @ e11 @ e10 )
      = e12 )
    | ( ( op1 @ e12 @ e10 )
      = e12 ) ),
    inference(split,[status(esa)],[zip_derived_cl42]) ).

thf(zip_derived_cl1380,plain,
    ( ( ( op1 @ e11 @ e10 )
      = e12 )
   <= ( ( op1 @ e11 @ e10 )
      = e12 ) ),
    inference(split,[status(esa)],[zip_derived_cl11]) ).

thf(zip_derived_cl23309_057,plain,
    ( ( op1 @ e11 @ e10 )
    = e11 ),
    inference(simpl_trail,[status(thm)],[zip_derived_cl1379,'35']) ).

thf(zip_derived_cl23327,plain,
    ( ( e11 = e12 )
   <= ( ( op1 @ e11 @ e10 )
      = e12 ) ),
    inference(demod,[status(thm)],[zip_derived_cl1380,zip_derived_cl23309]) ).

thf(zip_derived_cl194_058,plain,
    e11 != e12,
    inference(cnf,[status(esa)],[ax7]) ).

thf('56',plain,
    ( ( op1 @ e11 @ e10 )
   != e12 ),
    inference('simplify_reflect-',[status(thm)],[zip_derived_cl23327,zip_derived_cl194]) ).

thf(zip_derived_cl22905_059,plain,
    ( ( op1 @ e13 @ e11 )
    = e13 ),
    inference(simpl_trail,[status(thm)],[zip_derived_cl1345,'19']) ).

thf(zip_derived_cl1342,plain,
    ( ( ( op1 @ e13 @ e11 )
      = e10 )
   <= ( ( op1 @ e13 @ e11 )
      = e10 ) ),
    inference(split,[status(esa)],[zip_derived_cl2]) ).

thf(zip_derived_cl22910,plain,
    ( ( e13 = e10 )
   <= ( ( op1 @ e13 @ e11 )
      = e10 ) ),
    inference('s_sup+',[status(thm)],[zip_derived_cl22905,zip_derived_cl1342]) ).

thf(zip_derived_cl195_060,plain,
    e10 != e13,
    inference(cnf,[status(esa)],[ax7]) ).

thf('57',plain,
    ( ( op1 @ e13 @ e11 )
   != e10 ),
    inference('simplify_reflect-',[status(thm)],[zip_derived_cl22910,zip_derived_cl195]) ).

thf(zip_derived_cl1340_061,plain,
    ( ( ( op1 @ e13 @ e12 )
      = e12 )
   <= ( ( op1 @ e13 @ e12 )
      = e12 ) ),
    inference(split,[status(esa)],[zip_derived_cl1]) ).

thf(zip_derived_cl1339_062,plain,
    ( ( ( op1 @ e13 @ e12 )
      = e11 )
   <= ( ( op1 @ e13 @ e12 )
      = e11 ) ),
    inference(split,[status(esa)],[zip_derived_cl1]) ).

thf(zip_derived_cl22837,plain,
    ( ( e12 = e11 )
   <= ( ( ( op1 @ e13 @ e12 )
        = e11 )
      & ( ( op1 @ e13 @ e12 )
        = e12 ) ) ),
    inference('s_sup+',[status(thm)],[zip_derived_cl1340,zip_derived_cl1339]) ).

thf(zip_derived_cl194_063,plain,
    e11 != e12,
    inference(cnf,[status(esa)],[ax7]) ).

thf('58',plain,
    ( ( ( op1 @ e13 @ e12 )
     != e11 )
    | ( ( op1 @ e13 @ e12 )
     != e12 ) ),
    inference('simplify_reflect-',[status(thm)],[zip_derived_cl22837,zip_derived_cl194]) ).

thf(zip_derived_cl1340_064,plain,
    ( ( ( op1 @ e13 @ e12 )
      = e12 )
   <= ( ( op1 @ e13 @ e12 )
      = e12 ) ),
    inference(split,[status(esa)],[zip_derived_cl1]) ).

thf(zip_derived_cl1338_065,plain,
    ( ( ( op1 @ e13 @ e12 )
      = e10 )
   <= ( ( op1 @ e13 @ e12 )
      = e10 ) ),
    inference(split,[status(esa)],[zip_derived_cl1]) ).

thf(zip_derived_cl22836,plain,
    ( ( e12 = e10 )
   <= ( ( ( op1 @ e13 @ e12 )
        = e10 )
      & ( ( op1 @ e13 @ e12 )
        = e12 ) ) ),
    inference('s_sup+',[status(thm)],[zip_derived_cl1340,zip_derived_cl1338]) ).

thf(zip_derived_cl196_066,plain,
    e10 != e12,
    inference(cnf,[status(esa)],[ax7]) ).

thf('59',plain,
    ( ( ( op1 @ e13 @ e12 )
     != e12 )
    | ( ( op1 @ e13 @ e12 )
     != e10 ) ),
    inference('simplify_reflect-',[status(thm)],[zip_derived_cl22836,zip_derived_cl196]) ).

thf(zip_derived_cl9,plain,
    ( ( ( op1 @ e11 @ e12 )
      = e13 )
    | ( ( op1 @ e11 @ e12 )
      = e12 )
    | ( ( op1 @ e11 @ e12 )
      = e11 )
    | ( ( op1 @ e11 @ e12 )
      = e10 ) ),
    inference(cnf,[status(esa)],[ax1]) ).

thf(zip_derived_cl1373,plain,
    ( ( ( op1 @ e11 @ e12 )
      = e13 )
   <= ( ( op1 @ e11 @ e12 )
      = e13 ) ),
    inference(split,[status(esa)],[zip_derived_cl9]) ).

thf(zip_derived_cl1371,plain,
    ( ( ( op1 @ e11 @ e12 )
      = e11 )
   <= ( ( op1 @ e11 @ e12 )
      = e11 ) ),
    inference(split,[status(esa)],[zip_derived_cl9]) ).

thf(zip_derived_cl23254,plain,
    ( ( e13 = e11 )
   <= ( ( ( op1 @ e11 @ e12 )
        = e11 )
      & ( ( op1 @ e11 @ e12 )
        = e13 ) ) ),
    inference('s_sup+',[status(thm)],[zip_derived_cl1373,zip_derived_cl1371]) ).

thf(zip_derived_cl193_067,plain,
    e11 != e13,
    inference(cnf,[status(esa)],[ax7]) ).

thf('60',plain,
    ( ( ( op1 @ e11 @ e12 )
     != e11 )
    | ( ( op1 @ e11 @ e12 )
     != e13 ) ),
    inference('simplify_reflect-',[status(thm)],[zip_derived_cl23254,zip_derived_cl193]) ).

thf(zip_derived_cl19,plain,
    ( ( ( op1 @ e13 @ e13 )
      = e12 )
    | ( ( op1 @ e13 @ e12 )
      = e12 )
    | ( ( op1 @ e13 @ e11 )
      = e12 )
    | ( ( op1 @ e13 @ e10 )
      = e12 ) ),
    inference(cnf,[status(esa)],[ax2]) ).

thf('61',plain,
    ( ( ( op1 @ e13 @ e10 )
      = e12 )
    | ( ( op1 @ e13 @ e12 )
      = e12 )
    | ( ( op1 @ e13 @ e13 )
      = e12 )
    | ( ( op1 @ e13 @ e11 )
      = e12 ) ),
    inference(split,[status(esa)],[zip_derived_cl19]) ).

thf(zip_derived_cl1348_068,plain,
    ( ( ( op1 @ e13 @ e10 )
      = e12 )
   <= ( ( op1 @ e13 @ e10 )
      = e12 ) ),
    inference(split,[status(esa)],[zip_derived_cl3]) ).

thf(zip_derived_cl1346_069,plain,
    ( ( ( op1 @ e13 @ e10 )
      = e10 )
   <= ( ( op1 @ e13 @ e10 )
      = e10 ) ),
    inference(split,[status(esa)],[zip_derived_cl3]) ).

thf(zip_derived_cl22954,plain,
    ( ( e12 = e10 )
   <= ( ( ( op1 @ e13 @ e10 )
        = e10 )
      & ( ( op1 @ e13 @ e10 )
        = e12 ) ) ),
    inference('s_sup+',[status(thm)],[zip_derived_cl1348,zip_derived_cl1346]) ).

thf(zip_derived_cl196_070,plain,
    e10 != e12,
    inference(cnf,[status(esa)],[ax7]) ).

thf('62',plain,
    ( ( ( op1 @ e13 @ e10 )
     != e10 )
    | ( ( op1 @ e13 @ e10 )
     != e12 ) ),
    inference('simplify_reflect-',[status(thm)],[zip_derived_cl22954,zip_derived_cl196]) ).

thf('63',plain,
    ( ( ( op1 @ e13 @ e12 )
      = e10 )
    | ( ( op1 @ e13 @ e10 )
      = e10 )
    | ( ( op1 @ e13 @ e13 )
      = e10 )
    | ( ( op1 @ e13 @ e11 )
      = e10 ) ),
    inference(split,[status(esa)],[zip_derived_cl23]) ).

thf('64',plain,
    ( ( op1 @ e13 @ e12 )
    = e10 ),
    inference('sat_resolution*',[status(thm)],['8','9','10','11','12','13','20','21','22','23','24','25','26','27','28','29','30','36','37','38','39','40','41','42','43','14','44','45','46','47','48','49','50','16','31','51','52','53','54','55','56','15','57','58','59','60','61','62','63']) ).

thf(zip_derived_cl23843,plain,
    ( ( op1 @ e13 @ e12 )
    = e10 ),
    inference(simpl_trail,[status(thm)],[zip_derived_cl1428,'64']) ).

thf(zip_derived_cl23843_071,plain,
    ( ( op1 @ e13 @ e12 )
    = e10 ),
    inference(simpl_trail,[status(thm)],[zip_derived_cl1428,'64']) ).

thf(zip_derived_cl27182,plain,
    ( ( ( op1 @ e12 @ e10 )
     != e10 )
   <= ( ( op1 @ e12 @ ( op1 @ e13 @ e12 ) )
     != ( op1 @ e13 @ e12 ) ) ),
    inference(demod,[status(thm)],[zip_derived_cl1744,zip_derived_cl23843,zip_derived_cl23843]) ).

thf(zip_derived_cl27183,plain,
    ( ( e10 != e10 )
   <= ( ( ( op1 @ e12 @ ( op1 @ e13 @ e12 ) )
       != ( op1 @ e13 @ e12 ) )
      & ( ( op1 @ e12 @ e10 )
        = e10 ) ) ),
    inference('s_sup-',[status(thm)],[zip_derived_cl1362,zip_derived_cl27182]) ).

thf('65',plain,
    ( ( ( op1 @ e12 @ ( op1 @ e13 @ e12 ) )
      = ( op1 @ e13 @ e12 ) )
    | ( ( op1 @ e12 @ e10 )
     != e10 ) ),
    inference(simplify,[status(thm)],[zip_derived_cl27183]) ).

thf('66',plain,
    ( ~ zip_tseitin_3
    | ( ( op1 @ e12 @ ( op1 @ e13 @ e12 ) )
     != ( op1 @ e13 @ e12 ) ) ),
    inference(split,[status(esa)],[zip_derived_cl233]) ).

thf(zip_derived_cl1361_072,plain,
    ( ( ( op1 @ e12 @ e11 )
      = e13 )
   <= ( ( op1 @ e12 @ e11 )
      = e13 ) ),
    inference(split,[status(esa)],[zip_derived_cl6]) ).

thf(zip_derived_cl132,plain,
    ( ( op1 @ e12 @ e11 )
   != ( op1 @ e13 @ e11 ) ),
    inference(cnf,[status(esa)],[ax5]) ).

thf(zip_derived_cl22905_073,plain,
    ( ( op1 @ e13 @ e11 )
    = e13 ),
    inference(simpl_trail,[status(thm)],[zip_derived_cl1345,'19']) ).

thf(zip_derived_cl22908,plain,
    ( ( op1 @ e12 @ e11 )
   != e13 ),
    inference(demod,[status(thm)],[zip_derived_cl132,zip_derived_cl22905]) ).

thf(zip_derived_cl28078,plain,
    ( ( e13 != e13 )
   <= ( ( op1 @ e12 @ e11 )
      = e13 ) ),
    inference('s_sup-',[status(thm)],[zip_derived_cl1361,zip_derived_cl22908]) ).

thf('67',plain,
    ( ( op1 @ e12 @ e11 )
   != e13 ),
    inference(simplify,[status(thm)],[zip_derived_cl28078]) ).

thf(ax11,axiom,
    ( ( ( ( ( op2 @ e20 @ ( op2 @ e20 @ e20 ) )
         != ( op2 @ e20 @ e20 ) )
        & ( ( op2 @ e21 @ ( op2 @ e20 @ e21 ) )
         != ( op2 @ e20 @ e21 ) )
        & ( ( op2 @ e22 @ ( op2 @ e20 @ e22 ) )
         != ( op2 @ e20 @ e22 ) )
        & ( ( op2 @ e23 @ ( op2 @ e20 @ e23 ) )
         != ( op2 @ e20 @ e23 ) ) )
      | ( ( ( op2 @ e20 @ ( op2 @ e21 @ e20 ) )
         != ( op2 @ e21 @ e20 ) )
        & ( ( op2 @ e21 @ ( op2 @ e21 @ e21 ) )
         != ( op2 @ e21 @ e21 ) )
        & ( ( op2 @ e22 @ ( op2 @ e21 @ e22 ) )
         != ( op2 @ e21 @ e22 ) )
        & ( ( op2 @ e23 @ ( op2 @ e21 @ e23 ) )
         != ( op2 @ e21 @ e23 ) ) )
      | ( ( ( op2 @ e20 @ ( op2 @ e22 @ e20 ) )
         != ( op2 @ e22 @ e20 ) )
        & ( ( op2 @ e21 @ ( op2 @ e22 @ e21 ) )
         != ( op2 @ e22 @ e21 ) )
        & ( ( op2 @ e22 @ ( op2 @ e22 @ e22 ) )
         != ( op2 @ e22 @ e22 ) )
        & ( ( op2 @ e23 @ ( op2 @ e22 @ e23 ) )
         != ( op2 @ e22 @ e23 ) ) )
      | ( ( ( op2 @ e20 @ ( op2 @ e23 @ e20 ) )
         != ( op2 @ e23 @ e20 ) )
        & ( ( op2 @ e21 @ ( op2 @ e23 @ e21 ) )
         != ( op2 @ e23 @ e21 ) )
        & ( ( op2 @ e22 @ ( op2 @ e23 @ e22 ) )
         != ( op2 @ e23 @ e22 ) )
        & ( ( op2 @ e23 @ ( op2 @ e23 @ e23 ) )
         != ( op2 @ e23 @ e23 ) ) ) )
    & ( ( ( op2 @ e20 @ e20 )
        = e20 )
      | ( ( op2 @ e21 @ e21 )
        = e21 )
      | ( ( op2 @ e22 @ e22 )
        = e22 )
      | ( ( op2 @ e23 @ e23 )
        = e23 ) )
    & ( ( ( op2 @ e20 @ e20 )
       != e20 )
      | ( ( op2 @ e20 @ e20 )
        = e20 ) )
    & ( ( ( op2 @ e20 @ e20 )
       != e21 )
      | ( ( op2 @ e20 @ e21 )
        = e20 ) )
    & ( ( ( op2 @ e20 @ e20 )
       != e22 )
      | ( ( op2 @ e20 @ e22 )
        = e20 ) )
    & ( ( ( op2 @ e20 @ e20 )
       != e23 )
      | ( ( op2 @ e20 @ e23 )
        = e20 ) )
    & ( ( ( op2 @ e21 @ e21 )
       != e20 )
      | ( ( op2 @ e21 @ e20 )
        = e21 ) )
    & ( ( ( op2 @ e21 @ e21 )
       != e21 )
      | ( ( op2 @ e21 @ e21 )
        = e21 ) )
    & ( ( ( op2 @ e21 @ e21 )
       != e22 )
      | ( ( op2 @ e21 @ e22 )
        = e21 ) )
    & ( ( ( op2 @ e21 @ e21 )
       != e23 )
      | ( ( op2 @ e21 @ e23 )
        = e21 ) )
    & ( ( ( op2 @ e22 @ e22 )
       != e20 )
      | ( ( op2 @ e22 @ e20 )
        = e22 ) )
    & ( ( ( op2 @ e22 @ e22 )
       != e21 )
      | ( ( op2 @ e22 @ e21 )
        = e22 ) )
    & ( ( ( op2 @ e22 @ e22 )
       != e22 )
      | ( ( op2 @ e22 @ e22 )
        = e22 ) )
    & ( ( ( op2 @ e22 @ e22 )
       != e23 )
      | ( ( op2 @ e22 @ e23 )
        = e22 ) )
    & ( ( ( op2 @ e23 @ e23 )
       != e20 )
      | ( ( op2 @ e23 @ e20 )
        = e23 ) )
    & ( ( ( op2 @ e23 @ e23 )
       != e21 )
      | ( ( op2 @ e23 @ e21 )
        = e23 ) )
    & ( ( ( op2 @ e23 @ e23 )
       != e22 )
      | ( ( op2 @ e23 @ e22 )
        = e23 ) )
    & ( ( ( op2 @ e23 @ e23 )
       != e23 )
      | ( ( op2 @ e23 @ e23 )
        = e23 ) ) ) ).

thf(zf_stmt_9,axiom,
    ( zip_tseitin_5
   => ( ( ( op2 @ e23 @ ( op2 @ e21 @ e23 ) )
       != ( op2 @ e21 @ e23 ) )
      & ( ( op2 @ e22 @ ( op2 @ e21 @ e22 ) )
       != ( op2 @ e21 @ e22 ) )
      & ( ( op2 @ e21 @ ( op2 @ e21 @ e21 ) )
       != ( op2 @ e21 @ e21 ) )
      & ( ( op2 @ e20 @ ( op2 @ e21 @ e20 ) )
       != ( op2 @ e21 @ e20 ) ) ) ) ).

thf(zip_derived_cl259,plain,
    ( ( ( op2 @ e22 @ ( op2 @ e21 @ e22 ) )
     != ( op2 @ e21 @ e22 ) )
    | ~ zip_tseitin_5 ),
    inference(cnf,[status(esa)],[zf_stmt_9]) ).

thf('68',plain,
    ( ~ zip_tseitin_5
    | ( ( op2 @ e22 @ ( op2 @ e21 @ e22 ) )
     != ( op2 @ e21 @ e22 ) ) ),
    inference(split,[status(esa)],[zip_derived_cl259]) ).

thf(zf_stmt_10,axiom,
    ( zip_tseitin_4
   => ( ( ( op2 @ e23 @ ( op2 @ e20 @ e23 ) )
       != ( op2 @ e20 @ e23 ) )
      & ( ( op2 @ e22 @ ( op2 @ e20 @ e22 ) )
       != ( op2 @ e20 @ e22 ) )
      & ( ( op2 @ e21 @ ( op2 @ e20 @ e21 ) )
       != ( op2 @ e20 @ e21 ) )
      & ( ( op2 @ e20 @ ( op2 @ e20 @ e20 ) )
       != ( op2 @ e20 @ e20 ) ) ) ) ).

thf(zip_derived_cl255,plain,
    ( ( ( op2 @ e22 @ ( op2 @ e20 @ e22 ) )
     != ( op2 @ e20 @ e22 ) )
    | ~ zip_tseitin_4 ),
    inference(cnf,[status(esa)],[zf_stmt_10]) ).

thf('69',plain,
    ( ~ zip_tseitin_4
    | ( ( op2 @ e22 @ ( op2 @ e20 @ e22 ) )
     != ( op2 @ e20 @ e22 ) ) ),
    inference(split,[status(esa)],[zip_derived_cl255]) ).

thf(ax3,axiom,
    ( ( ( ( op2 @ e23 @ e23 )
        = e23 )
      | ( ( op2 @ e23 @ e23 )
        = e22 )
      | ( ( op2 @ e23 @ e23 )
        = e21 )
      | ( ( op2 @ e23 @ e23 )
        = e20 ) )
    & ( ( ( op2 @ e23 @ e22 )
        = e23 )
      | ( ( op2 @ e23 @ e22 )
        = e22 )
      | ( ( op2 @ e23 @ e22 )
        = e21 )
      | ( ( op2 @ e23 @ e22 )
        = e20 ) )
    & ( ( ( op2 @ e23 @ e21 )
        = e23 )
      | ( ( op2 @ e23 @ e21 )
        = e22 )
      | ( ( op2 @ e23 @ e21 )
        = e21 )
      | ( ( op2 @ e23 @ e21 )
        = e20 ) )
    & ( ( ( op2 @ e23 @ e20 )
        = e23 )
      | ( ( op2 @ e23 @ e20 )
        = e22 )
      | ( ( op2 @ e23 @ e20 )
        = e21 )
      | ( ( op2 @ e23 @ e20 )
        = e20 ) )
    & ( ( ( op2 @ e22 @ e23 )
        = e23 )
      | ( ( op2 @ e22 @ e23 )
        = e22 )
      | ( ( op2 @ e22 @ e23 )
        = e21 )
      | ( ( op2 @ e22 @ e23 )
        = e20 ) )
    & ( ( ( op2 @ e22 @ e22 )
        = e23 )
      | ( ( op2 @ e22 @ e22 )
        = e22 )
      | ( ( op2 @ e22 @ e22 )
        = e21 )
      | ( ( op2 @ e22 @ e22 )
        = e20 ) )
    & ( ( ( op2 @ e22 @ e21 )
        = e23 )
      | ( ( op2 @ e22 @ e21 )
        = e22 )
      | ( ( op2 @ e22 @ e21 )
        = e21 )
      | ( ( op2 @ e22 @ e21 )
        = e20 ) )
    & ( ( ( op2 @ e22 @ e20 )
        = e23 )
      | ( ( op2 @ e22 @ e20 )
        = e22 )
      | ( ( op2 @ e22 @ e20 )
        = e21 )
      | ( ( op2 @ e22 @ e20 )
        = e20 ) )
    & ( ( ( op2 @ e21 @ e23 )
        = e23 )
      | ( ( op2 @ e21 @ e23 )
        = e22 )
      | ( ( op2 @ e21 @ e23 )
        = e21 )
      | ( ( op2 @ e21 @ e23 )
        = e20 ) )
    & ( ( ( op2 @ e21 @ e22 )
        = e23 )
      | ( ( op2 @ e21 @ e22 )
        = e22 )
      | ( ( op2 @ e21 @ e22 )
        = e21 )
      | ( ( op2 @ e21 @ e22 )
        = e20 ) )
    & ( ( ( op2 @ e21 @ e21 )
        = e23 )
      | ( ( op2 @ e21 @ e21 )
        = e22 )
      | ( ( op2 @ e21 @ e21 )
        = e21 )
      | ( ( op2 @ e21 @ e21 )
        = e20 ) )
    & ( ( ( op2 @ e21 @ e20 )
        = e23 )
      | ( ( op2 @ e21 @ e20 )
        = e22 )
      | ( ( op2 @ e21 @ e20 )
        = e21 )
      | ( ( op2 @ e21 @ e20 )
        = e20 ) )
    & ( ( ( op2 @ e20 @ e23 )
        = e23 )
      | ( ( op2 @ e20 @ e23 )
        = e22 )
      | ( ( op2 @ e20 @ e23 )
        = e21 )
      | ( ( op2 @ e20 @ e23 )
        = e20 ) )
    & ( ( ( op2 @ e20 @ e22 )
        = e23 )
      | ( ( op2 @ e20 @ e22 )
        = e22 )
      | ( ( op2 @ e20 @ e22 )
        = e21 )
      | ( ( op2 @ e20 @ e22 )
        = e20 ) )
    & ( ( ( op2 @ e20 @ e21 )
        = e23 )
      | ( ( op2 @ e20 @ e21 )
        = e22 )
      | ( ( op2 @ e20 @ e21 )
        = e21 )
      | ( ( op2 @ e20 @ e21 )
        = e20 ) )
    & ( ( ( op2 @ e20 @ e20 )
        = e23 )
      | ( ( op2 @ e20 @ e20 )
        = e22 )
      | ( ( op2 @ e20 @ e20 )
        = e21 )
      | ( ( op2 @ e20 @ e20 )
        = e20 ) ) ) ).

thf(zip_derived_cl52,plain,
    ( ( ( op2 @ e22 @ e23 )
      = e23 )
    | ( ( op2 @ e22 @ e23 )
      = e22 )
    | ( ( op2 @ e22 @ e23 )
      = e21 )
    | ( ( op2 @ e22 @ e23 )
      = e20 ) ),
    inference(cnf,[status(esa)],[ax3]) ).

thf(zip_derived_cl1545,plain,
    ( ( ( op2 @ e22 @ e23 )
      = e23 )
   <= ( ( op2 @ e22 @ e23 )
      = e23 ) ),
    inference(split,[status(esa)],[zip_derived_cl52]) ).

thf(zip_derived_cl57,plain,
    ( ( ( op2 @ e21 @ e22 )
      = e23 )
    | ( ( op2 @ e21 @ e22 )
      = e22 )
    | ( ( op2 @ e21 @ e22 )
      = e21 )
    | ( ( op2 @ e21 @ e22 )
      = e20 ) ),
    inference(cnf,[status(esa)],[ax3]) ).

thf(zip_derived_cl1565,plain,
    ( ( ( op2 @ e21 @ e22 )
      = e23 )
   <= ( ( op2 @ e21 @ e22 )
      = e23 ) ),
    inference(split,[status(esa)],[zip_derived_cl57]) ).

thf(zip_derived_cl1792,plain,
    ( ( ( op2 @ e22 @ ( op2 @ e21 @ e22 ) )
     != ( op2 @ e21 @ e22 ) )
   <= ( ( op2 @ e22 @ ( op2 @ e21 @ e22 ) )
     != ( op2 @ e21 @ e22 ) ) ),
    inference(split,[status(esa)],[zip_derived_cl259]) ).

thf(zip_derived_cl27283,plain,
    ( ( ( op2 @ e22 @ e23 )
     != e23 )
   <= ( ( ( op2 @ e22 @ ( op2 @ e21 @ e22 ) )
       != ( op2 @ e21 @ e22 ) )
      & ( ( op2 @ e21 @ e22 )
        = e23 ) ) ),
    inference('s_sup-',[status(thm)],[zip_derived_cl1565,zip_derived_cl1792]) ).

thf(zip_derived_cl28330,plain,
    ( ( e23 != e23 )
   <= ( ( ( op2 @ e22 @ ( op2 @ e21 @ e22 ) )
       != ( op2 @ e21 @ e22 ) )
      & ( ( op2 @ e22 @ e23 )
        = e23 )
      & ( ( op2 @ e21 @ e22 )
        = e23 ) ) ),
    inference('s_sup-',[status(thm)],[zip_derived_cl1545,zip_derived_cl27283]) ).

thf('70',plain,
    ( ( ( op2 @ e22 @ ( op2 @ e21 @ e22 ) )
      = ( op2 @ e21 @ e22 ) )
    | ( ( op2 @ e22 @ e23 )
     != e23 )
    | ( ( op2 @ e21 @ e22 )
     != e23 ) ),
    inference(simplify,[status(thm)],[zip_derived_cl28330]) ).

thf(zip_derived_cl54,plain,
    ( ( ( op2 @ e22 @ e21 )
      = e23 )
    | ( ( op2 @ e22 @ e21 )
      = e22 )
    | ( ( op2 @ e22 @ e21 )
      = e21 )
    | ( ( op2 @ e22 @ e21 )
      = e20 ) ),
    inference(cnf,[status(esa)],[ax3]) ).

thf(zip_derived_cl1551,plain,
    ( ( ( op2 @ e22 @ e21 )
      = e21 )
   <= ( ( op2 @ e22 @ e21 )
      = e21 ) ),
    inference(split,[status(esa)],[zip_derived_cl54]) ).

thf(zip_derived_cl61,plain,
    ( ( ( op2 @ e20 @ e22 )
      = e23 )
    | ( ( op2 @ e20 @ e22 )
      = e22 )
    | ( ( op2 @ e20 @ e22 )
      = e21 )
    | ( ( op2 @ e20 @ e22 )
      = e20 ) ),
    inference(cnf,[status(esa)],[ax3]) ).

thf(zip_derived_cl1579,plain,
    ( ( ( op2 @ e20 @ e22 )
      = e21 )
   <= ( ( op2 @ e20 @ e22 )
      = e21 ) ),
    inference(split,[status(esa)],[zip_derived_cl61]) ).

thf(zip_derived_cl1784,plain,
    ( ( ( op2 @ e22 @ ( op2 @ e20 @ e22 ) )
     != ( op2 @ e20 @ e22 ) )
   <= ( ( op2 @ e22 @ ( op2 @ e20 @ e22 ) )
     != ( op2 @ e20 @ e22 ) ) ),
    inference(split,[status(esa)],[zip_derived_cl255]) ).

thf(zip_derived_cl27260,plain,
    ( ( ( op2 @ e22 @ e21 )
     != e21 )
   <= ( ( ( op2 @ e22 @ ( op2 @ e20 @ e22 ) )
       != ( op2 @ e20 @ e22 ) )
      & ( ( op2 @ e20 @ e22 )
        = e21 ) ) ),
    inference('s_sup-',[status(thm)],[zip_derived_cl1579,zip_derived_cl1784]) ).

thf(zip_derived_cl28256,plain,
    ( ( e21 != e21 )
   <= ( ( ( op2 @ e22 @ ( op2 @ e20 @ e22 ) )
       != ( op2 @ e20 @ e22 ) )
      & ( ( op2 @ e22 @ e21 )
        = e21 )
      & ( ( op2 @ e20 @ e22 )
        = e21 ) ) ),
    inference('s_sup-',[status(thm)],[zip_derived_cl1551,zip_derived_cl27260]) ).

thf('71',plain,
    ( ( ( op2 @ e22 @ ( op2 @ e20 @ e22 ) )
      = ( op2 @ e20 @ e22 ) )
    | ( ( op2 @ e20 @ e22 )
     != e21 )
    | ( ( op2 @ e22 @ e21 )
     != e21 ) ),
    inference(simplify,[status(thm)],[zip_derived_cl28256]) ).

thf(zf_stmt_11,axiom,
    ( zip_tseitin_6
   => ( ( ( op2 @ e23 @ ( op2 @ e22 @ e23 ) )
       != ( op2 @ e22 @ e23 ) )
      & ( ( op2 @ e22 @ ( op2 @ e22 @ e22 ) )
       != ( op2 @ e22 @ e22 ) )
      & ( ( op2 @ e21 @ ( op2 @ e22 @ e21 ) )
       != ( op2 @ e22 @ e21 ) )
      & ( ( op2 @ e20 @ ( op2 @ e22 @ e20 ) )
       != ( op2 @ e22 @ e20 ) ) ) ) ).

thf(zip_derived_cl263,plain,
    ( ( ( op2 @ e22 @ ( op2 @ e22 @ e22 ) )
     != ( op2 @ e22 @ e22 ) )
    | ~ zip_tseitin_6 ),
    inference(cnf,[status(esa)],[zf_stmt_11]) ).

thf('72',plain,
    ( ~ zip_tseitin_6
    | ( ( op2 @ e22 @ ( op2 @ e22 @ e22 ) )
     != ( op2 @ e22 @ e22 ) ) ),
    inference(split,[status(esa)],[zip_derived_cl263]) ).

thf(ax4,axiom,
    ( ( ( ( op2 @ e23 @ e23 )
        = e23 )
      | ( ( op2 @ e22 @ e23 )
        = e23 )
      | ( ( op2 @ e21 @ e23 )
        = e23 )
      | ( ( op2 @ e20 @ e23 )
        = e23 ) )
    & ( ( ( op2 @ e23 @ e23 )
        = e23 )
      | ( ( op2 @ e23 @ e22 )
        = e23 )
      | ( ( op2 @ e23 @ e21 )
        = e23 )
      | ( ( op2 @ e23 @ e20 )
        = e23 ) )
    & ( ( ( op2 @ e23 @ e23 )
        = e22 )
      | ( ( op2 @ e22 @ e23 )
        = e22 )
      | ( ( op2 @ e21 @ e23 )
        = e22 )
      | ( ( op2 @ e20 @ e23 )
        = e22 ) )
    & ( ( ( op2 @ e23 @ e23 )
        = e22 )
      | ( ( op2 @ e23 @ e22 )
        = e22 )
      | ( ( op2 @ e23 @ e21 )
        = e22 )
      | ( ( op2 @ e23 @ e20 )
        = e22 ) )
    & ( ( ( op2 @ e23 @ e23 )
        = e21 )
      | ( ( op2 @ e22 @ e23 )
        = e21 )
      | ( ( op2 @ e21 @ e23 )
        = e21 )
      | ( ( op2 @ e20 @ e23 )
        = e21 ) )
    & ( ( ( op2 @ e23 @ e23 )
        = e21 )
      | ( ( op2 @ e23 @ e22 )
        = e21 )
      | ( ( op2 @ e23 @ e21 )
        = e21 )
      | ( ( op2 @ e23 @ e20 )
        = e21 ) )
    & ( ( ( op2 @ e23 @ e23 )
        = e20 )
      | ( ( op2 @ e22 @ e23 )
        = e20 )
      | ( ( op2 @ e21 @ e23 )
        = e20 )
      | ( ( op2 @ e20 @ e23 )
        = e20 ) )
    & ( ( ( op2 @ e23 @ e23 )
        = e20 )
      | ( ( op2 @ e23 @ e22 )
        = e20 )
      | ( ( op2 @ e23 @ e21 )
        = e20 )
      | ( ( op2 @ e23 @ e20 )
        = e20 ) )
    & ( ( ( op2 @ e23 @ e22 )
        = e23 )
      | ( ( op2 @ e22 @ e22 )
        = e23 )
      | ( ( op2 @ e21 @ e22 )
        = e23 )
      | ( ( op2 @ e20 @ e22 )
        = e23 ) )
    & ( ( ( op2 @ e22 @ e23 )
        = e23 )
      | ( ( op2 @ e22 @ e22 )
        = e23 )
      | ( ( op2 @ e22 @ e21 )
        = e23 )
      | ( ( op2 @ e22 @ e20 )
        = e23 ) )
    & ( ( ( op2 @ e23 @ e22 )
        = e22 )
      | ( ( op2 @ e22 @ e22 )
        = e22 )
      | ( ( op2 @ e21 @ e22 )
        = e22 )
      | ( ( op2 @ e20 @ e22 )
        = e22 ) )
    & ( ( ( op2 @ e22 @ e23 )
        = e22 )
      | ( ( op2 @ e22 @ e22 )
        = e22 )
      | ( ( op2 @ e22 @ e21 )
        = e22 )
      | ( ( op2 @ e22 @ e20 )
        = e22 ) )
    & ( ( ( op2 @ e23 @ e22 )
        = e21 )
      | ( ( op2 @ e22 @ e22 )
        = e21 )
      | ( ( op2 @ e21 @ e22 )
        = e21 )
      | ( ( op2 @ e20 @ e22 )
        = e21 ) )
    & ( ( ( op2 @ e22 @ e23 )
        = e21 )
      | ( ( op2 @ e22 @ e22 )
        = e21 )
      | ( ( op2 @ e22 @ e21 )
        = e21 )
      | ( ( op2 @ e22 @ e20 )
        = e21 ) )
    & ( ( ( op2 @ e23 @ e22 )
        = e20 )
      | ( ( op2 @ e22 @ e22 )
        = e20 )
      | ( ( op2 @ e21 @ e22 )
        = e20 )
      | ( ( op2 @ e20 @ e22 )
        = e20 ) )
    & ( ( ( op2 @ e22 @ e23 )
        = e20 )
      | ( ( op2 @ e22 @ e22 )
        = e20 )
      | ( ( op2 @ e22 @ e21 )
        = e20 )
      | ( ( op2 @ e22 @ e20 )
        = e20 ) )
    & ( ( ( op2 @ e23 @ e21 )
        = e23 )
      | ( ( op2 @ e22 @ e21 )
        = e23 )
      | ( ( op2 @ e21 @ e21 )
        = e23 )
      | ( ( op2 @ e20 @ e21 )
        = e23 ) )
    & ( ( ( op2 @ e21 @ e23 )
        = e23 )
      | ( ( op2 @ e21 @ e22 )
        = e23 )
      | ( ( op2 @ e21 @ e21 )
        = e23 )
      | ( ( op2 @ e21 @ e20 )
        = e23 ) )
    & ( ( ( op2 @ e23 @ e21 )
        = e22 )
      | ( ( op2 @ e22 @ e21 )
        = e22 )
      | ( ( op2 @ e21 @ e21 )
        = e22 )
      | ( ( op2 @ e20 @ e21 )
        = e22 ) )
    & ( ( ( op2 @ e21 @ e23 )
        = e22 )
      | ( ( op2 @ e21 @ e22 )
        = e22 )
      | ( ( op2 @ e21 @ e21 )
        = e22 )
      | ( ( op2 @ e21 @ e20 )
        = e22 ) )
    & ( ( ( op2 @ e23 @ e21 )
        = e21 )
      | ( ( op2 @ e22 @ e21 )
        = e21 )
      | ( ( op2 @ e21 @ e21 )
        = e21 )
      | ( ( op2 @ e20 @ e21 )
        = e21 ) )
    & ( ( ( op2 @ e21 @ e23 )
        = e21 )
      | ( ( op2 @ e21 @ e22 )
        = e21 )
      | ( ( op2 @ e21 @ e21 )
        = e21 )
      | ( ( op2 @ e21 @ e20 )
        = e21 ) )
    & ( ( ( op2 @ e23 @ e21 )
        = e20 )
      | ( ( op2 @ e22 @ e21 )
        = e20 )
      | ( ( op2 @ e21 @ e21 )
        = e20 )
      | ( ( op2 @ e20 @ e21 )
        = e20 ) )
    & ( ( ( op2 @ e21 @ e23 )
        = e20 )
      | ( ( op2 @ e21 @ e22 )
        = e20 )
      | ( ( op2 @ e21 @ e21 )
        = e20 )
      | ( ( op2 @ e21 @ e20 )
        = e20 ) )
    & ( ( ( op2 @ e23 @ e20 )
        = e23 )
      | ( ( op2 @ e22 @ e20 )
        = e23 )
      | ( ( op2 @ e21 @ e20 )
        = e23 )
      | ( ( op2 @ e20 @ e20 )
        = e23 ) )
    & ( ( ( op2 @ e20 @ e23 )
        = e23 )
      | ( ( op2 @ e20 @ e22 )
        = e23 )
      | ( ( op2 @ e20 @ e21 )
        = e23 )
      | ( ( op2 @ e20 @ e20 )
        = e23 ) )
    & ( ( ( op2 @ e23 @ e20 )
        = e22 )
      | ( ( op2 @ e22 @ e20 )
        = e22 )
      | ( ( op2 @ e21 @ e20 )
        = e22 )
      | ( ( op2 @ e20 @ e20 )
        = e22 ) )
    & ( ( ( op2 @ e20 @ e23 )
        = e22 )
      | ( ( op2 @ e20 @ e22 )
        = e22 )
      | ( ( op2 @ e20 @ e21 )
        = e22 )
      | ( ( op2 @ e20 @ e20 )
        = e22 ) )
    & ( ( ( op2 @ e23 @ e20 )
        = e21 )
      | ( ( op2 @ e22 @ e20 )
        = e21 )
      | ( ( op2 @ e21 @ e20 )
        = e21 )
      | ( ( op2 @ e20 @ e20 )
        = e21 ) )
    & ( ( ( op2 @ e20 @ e23 )
        = e21 )
      | ( ( op2 @ e20 @ e22 )
        = e21 )
      | ( ( op2 @ e20 @ e21 )
        = e21 )
      | ( ( op2 @ e20 @ e20 )
        = e21 ) )
    & ( ( ( op2 @ e23 @ e20 )
        = e20 )
      | ( ( op2 @ e22 @ e20 )
        = e20 )
      | ( ( op2 @ e21 @ e20 )
        = e20 )
      | ( ( op2 @ e20 @ e20 )
        = e20 ) )
    & ( ( ( op2 @ e20 @ e23 )
        = e20 )
      | ( ( op2 @ e20 @ e22 )
        = e20 )
      | ( ( op2 @ e20 @ e21 )
        = e20 )
      | ( ( op2 @ e20 @ e20 )
        = e20 ) ) ) ).

thf(zip_derived_cl72,plain,
    ( ( ( op2 @ e23 @ e22 )
      = e23 )
    | ( ( op2 @ e22 @ e22 )
      = e23 )
    | ( ( op2 @ e21 @ e22 )
      = e23 )
    | ( ( op2 @ e20 @ e22 )
      = e23 ) ),
    inference(cnf,[status(esa)],[ax4]) ).

thf('73',plain,
    ( ( ( op2 @ e21 @ e22 )
      = e23 )
    | ( ( op2 @ e20 @ e22 )
      = e23 )
    | ( ( op2 @ e23 @ e22 )
      = e23 )
    | ( ( op2 @ e22 @ e22 )
      = e23 ) ),
    inference(split,[status(esa)],[zip_derived_cl72]) ).

thf(zip_derived_cl49,plain,
    ( ( ( op2 @ e23 @ e22 )
      = e23 )
    | ( ( op2 @ e23 @ e22 )
      = e22 )
    | ( ( op2 @ e23 @ e22 )
      = e21 )
    | ( ( op2 @ e23 @ e22 )
      = e20 ) ),
    inference(cnf,[status(esa)],[ax3]) ).

thf(zip_derived_cl1533,plain,
    ( ( ( op2 @ e23 @ e22 )
      = e23 )
   <= ( ( op2 @ e23 @ e22 )
      = e23 ) ),
    inference(split,[status(esa)],[zip_derived_cl49]) ).

thf(zip_derived_cl1532,plain,
    ( ( ( op2 @ e23 @ e22 )
      = e22 )
   <= ( ( op2 @ e23 @ e22 )
      = e22 ) ),
    inference(split,[status(esa)],[zip_derived_cl49]) ).

thf(zip_derived_cl24518,plain,
    ( ( e23 = e22 )
   <= ( ( ( op2 @ e23 @ e22 )
        = e22 )
      & ( ( op2 @ e23 @ e22 )
        = e23 ) ) ),
    inference('s_sup+',[status(thm)],[zip_derived_cl1533,zip_derived_cl1532]) ).

thf(ax8,axiom,
    ( ( e22 != e23 )
    & ( e21 != e23 )
    & ( e21 != e22 )
    & ( e20 != e23 )
    & ( e20 != e22 )
    & ( e20 != e21 ) ) ).

thf(zip_derived_cl198,plain,
    e22 != e23,
    inference(cnf,[status(esa)],[ax8]) ).

thf('74',plain,
    ( ( ( op2 @ e23 @ e22 )
     != e23 )
    | ( ( op2 @ e23 @ e22 )
     != e22 ) ),
    inference('simplify_reflect-',[status(thm)],[zip_derived_cl24518,zip_derived_cl198]) ).

thf(zip_derived_cl1533_074,plain,
    ( ( ( op2 @ e23 @ e22 )
      = e23 )
   <= ( ( op2 @ e23 @ e22 )
      = e23 ) ),
    inference(split,[status(esa)],[zip_derived_cl49]) ).

thf(zip_derived_cl1530,plain,
    ( ( ( op2 @ e23 @ e22 )
      = e20 )
   <= ( ( op2 @ e23 @ e22 )
      = e20 ) ),
    inference(split,[status(esa)],[zip_derived_cl49]) ).

thf(zip_derived_cl24516,plain,
    ( ( e23 = e20 )
   <= ( ( ( op2 @ e23 @ e22 )
        = e20 )
      & ( ( op2 @ e23 @ e22 )
        = e23 ) ) ),
    inference('s_sup+',[status(thm)],[zip_derived_cl1533,zip_derived_cl1530]) ).

thf(zip_derived_cl201,plain,
    e20 != e23,
    inference(cnf,[status(esa)],[ax8]) ).

thf('75',plain,
    ( ( ( op2 @ e23 @ e22 )
     != e23 )
    | ( ( op2 @ e23 @ e22 )
     != e20 ) ),
    inference('simplify_reflect-',[status(thm)],[zip_derived_cl24516,zip_derived_cl201]) ).

thf(zip_derived_cl51,plain,
    ( ( ( op2 @ e23 @ e20 )
      = e23 )
    | ( ( op2 @ e23 @ e20 )
      = e22 )
    | ( ( op2 @ e23 @ e20 )
      = e21 )
    | ( ( op2 @ e23 @ e20 )
      = e20 ) ),
    inference(cnf,[status(esa)],[ax3]) ).

thf(zip_derived_cl1540,plain,
    ( ( ( op2 @ e23 @ e20 )
      = e22 )
   <= ( ( op2 @ e23 @ e20 )
      = e22 ) ),
    inference(split,[status(esa)],[zip_derived_cl51]) ).

thf(zip_derived_cl1538,plain,
    ( ( ( op2 @ e23 @ e20 )
      = e20 )
   <= ( ( op2 @ e23 @ e20 )
      = e20 ) ),
    inference(split,[status(esa)],[zip_derived_cl51]) ).

thf(zip_derived_cl24628,plain,
    ( ( e22 = e20 )
   <= ( ( ( op2 @ e23 @ e20 )
        = e20 )
      & ( ( op2 @ e23 @ e20 )
        = e22 ) ) ),
    inference('s_sup+',[status(thm)],[zip_derived_cl1540,zip_derived_cl1538]) ).

thf(zip_derived_cl202,plain,
    e20 != e22,
    inference(cnf,[status(esa)],[ax8]) ).

thf('76',plain,
    ( ( ( op2 @ e23 @ e20 )
     != e20 )
    | ( ( op2 @ e23 @ e20 )
     != e22 ) ),
    inference('simplify_reflect-',[status(thm)],[zip_derived_cl24628,zip_derived_cl202]) ).

thf(zip_derived_cl73,plain,
    ( ( ( op2 @ e22 @ e23 )
      = e23 )
    | ( ( op2 @ e22 @ e22 )
      = e23 )
    | ( ( op2 @ e22 @ e21 )
      = e23 )
    | ( ( op2 @ e22 @ e20 )
      = e23 ) ),
    inference(cnf,[status(esa)],[ax4]) ).

thf('77',plain,
    ( ( ( op2 @ e22 @ e20 )
      = e23 )
    | ( ( op2 @ e22 @ e22 )
      = e23 )
    | ( ( op2 @ e22 @ e23 )
      = e23 )
    | ( ( op2 @ e22 @ e21 )
      = e23 ) ),
    inference(split,[status(esa)],[zip_derived_cl73]) ).

thf(zip_derived_cl1553,plain,
    ( ( ( op2 @ e22 @ e21 )
      = e23 )
   <= ( ( op2 @ e22 @ e21 )
      = e23 ) ),
    inference(split,[status(esa)],[zip_derived_cl54]) ).

thf(ax6,axiom,
    ( ( ( op2 @ e23 @ e22 )
     != ( op2 @ e23 @ e23 ) )
    & ( ( op2 @ e23 @ e21 )
     != ( op2 @ e23 @ e23 ) )
    & ( ( op2 @ e23 @ e21 )
     != ( op2 @ e23 @ e22 ) )
    & ( ( op2 @ e23 @ e20 )
     != ( op2 @ e23 @ e23 ) )
    & ( ( op2 @ e23 @ e20 )
     != ( op2 @ e23 @ e22 ) )
    & ( ( op2 @ e23 @ e20 )
     != ( op2 @ e23 @ e21 ) )
    & ( ( op2 @ e22 @ e22 )
     != ( op2 @ e22 @ e23 ) )
    & ( ( op2 @ e22 @ e21 )
     != ( op2 @ e22 @ e23 ) )
    & ( ( op2 @ e22 @ e21 )
     != ( op2 @ e22 @ e22 ) )
    & ( ( op2 @ e22 @ e20 )
     != ( op2 @ e22 @ e23 ) )
    & ( ( op2 @ e22 @ e20 )
     != ( op2 @ e22 @ e22 ) )
    & ( ( op2 @ e22 @ e20 )
     != ( op2 @ e22 @ e21 ) )
    & ( ( op2 @ e21 @ e22 )
     != ( op2 @ e21 @ e23 ) )
    & ( ( op2 @ e21 @ e21 )
     != ( op2 @ e21 @ e23 ) )
    & ( ( op2 @ e21 @ e21 )
     != ( op2 @ e21 @ e22 ) )
    & ( ( op2 @ e21 @ e20 )
     != ( op2 @ e21 @ e23 ) )
    & ( ( op2 @ e21 @ e20 )
     != ( op2 @ e21 @ e22 ) )
    & ( ( op2 @ e21 @ e20 )
     != ( op2 @ e21 @ e21 ) )
    & ( ( op2 @ e20 @ e22 )
     != ( op2 @ e20 @ e23 ) )
    & ( ( op2 @ e20 @ e21 )
     != ( op2 @ e20 @ e23 ) )
    & ( ( op2 @ e20 @ e21 )
     != ( op2 @ e20 @ e22 ) )
    & ( ( op2 @ e20 @ e20 )
     != ( op2 @ e20 @ e23 ) )
    & ( ( op2 @ e20 @ e20 )
     != ( op2 @ e20 @ e22 ) )
    & ( ( op2 @ e20 @ e20 )
     != ( op2 @ e20 @ e21 ) )
    & ( ( op2 @ e22 @ e23 )
     != ( op2 @ e23 @ e23 ) )
    & ( ( op2 @ e21 @ e23 )
     != ( op2 @ e23 @ e23 ) )
    & ( ( op2 @ e21 @ e23 )
     != ( op2 @ e22 @ e23 ) )
    & ( ( op2 @ e20 @ e23 )
     != ( op2 @ e23 @ e23 ) )
    & ( ( op2 @ e20 @ e23 )
     != ( op2 @ e22 @ e23 ) )
    & ( ( op2 @ e20 @ e23 )
     != ( op2 @ e21 @ e23 ) )
    & ( ( op2 @ e22 @ e22 )
     != ( op2 @ e23 @ e22 ) )
    & ( ( op2 @ e21 @ e22 )
     != ( op2 @ e23 @ e22 ) )
    & ( ( op2 @ e21 @ e22 )
     != ( op2 @ e22 @ e22 ) )
    & ( ( op2 @ e20 @ e22 )
     != ( op2 @ e23 @ e22 ) )
    & ( ( op2 @ e20 @ e22 )
     != ( op2 @ e22 @ e22 ) )
    & ( ( op2 @ e20 @ e22 )
     != ( op2 @ e21 @ e22 ) )
    & ( ( op2 @ e22 @ e21 )
     != ( op2 @ e23 @ e21 ) )
    & ( ( op2 @ e21 @ e21 )
     != ( op2 @ e23 @ e21 ) )
    & ( ( op2 @ e21 @ e21 )
     != ( op2 @ e22 @ e21 ) )
    & ( ( op2 @ e20 @ e21 )
     != ( op2 @ e23 @ e21 ) )
    & ( ( op2 @ e20 @ e21 )
     != ( op2 @ e22 @ e21 ) )
    & ( ( op2 @ e20 @ e21 )
     != ( op2 @ e21 @ e21 ) )
    & ( ( op2 @ e22 @ e20 )
     != ( op2 @ e23 @ e20 ) )
    & ( ( op2 @ e21 @ e20 )
     != ( op2 @ e23 @ e20 ) )
    & ( ( op2 @ e21 @ e20 )
     != ( op2 @ e22 @ e20 ) )
    & ( ( op2 @ e20 @ e20 )
     != ( op2 @ e23 @ e20 ) )
    & ( ( op2 @ e20 @ e20 )
     != ( op2 @ e22 @ e20 ) )
    & ( ( op2 @ e20 @ e20 )
     != ( op2 @ e21 @ e20 ) ) ) ).

thf(zip_derived_cl180,plain,
    ( ( op2 @ e22 @ e21 )
   != ( op2 @ e23 @ e21 ) ),
    inference(cnf,[status(esa)],[ax6]) ).

thf(zip_derived_cl50,plain,
    ( ( ( op2 @ e23 @ e21 )
      = e23 )
    | ( ( op2 @ e23 @ e21 )
      = e22 )
    | ( ( op2 @ e23 @ e21 )
      = e21 )
    | ( ( op2 @ e23 @ e21 )
      = e20 ) ),
    inference(cnf,[status(esa)],[ax3]) ).

thf(zip_derived_cl1537,plain,
    ( ( ( op2 @ e23 @ e21 )
      = e23 )
   <= ( ( op2 @ e23 @ e21 )
      = e23 ) ),
    inference(split,[status(esa)],[zip_derived_cl50]) ).

thf(zip_derived_cl48,plain,
    ( ( ( op2 @ e23 @ e23 )
      = e23 )
    | ( ( op2 @ e23 @ e23 )
      = e22 )
    | ( ( op2 @ e23 @ e23 )
      = e21 )
    | ( ( op2 @ e23 @ e23 )
      = e20 ) ),
    inference(cnf,[status(esa)],[ax3]) ).

thf(zip_derived_cl1528,plain,
    ( ( ( op2 @ e23 @ e23 )
      = e22 )
   <= ( ( op2 @ e23 @ e23 )
      = e22 ) ),
    inference(split,[status(esa)],[zip_derived_cl48]) ).

thf(ax13,axiom,
    ( ( e22
      = ( op2 @ e23 @ ( op2 @ ( op2 @ e23 @ e23 ) @ ( op2 @ e23 @ e23 ) ) ) )
    & ( e21
      = ( op2 @ e23 @ e23 ) )
    & ( e20
      = ( op2 @ ( op2 @ e23 @ e23 ) @ ( op2 @ e23 @ e23 ) ) ) ) ).

thf(zip_derived_cl292,plain,
    ( e21
    = ( op2 @ e23 @ e23 ) ),
    inference(cnf,[status(esa)],[ax13]) ).

thf(zip_derived_cl24449,plain,
    ( ( e21 = e22 )
   <= ( ( op2 @ e23 @ e23 )
      = e22 ) ),
    inference(demod,[status(thm)],[zip_derived_cl1528,zip_derived_cl292]) ).

thf(zip_derived_cl200,plain,
    e21 != e22,
    inference(cnf,[status(esa)],[ax8]) ).

thf('78',plain,
    ( ( op2 @ e23 @ e23 )
   != e22 ),
    inference('simplify_reflect-',[status(thm)],[zip_derived_cl24449,zip_derived_cl200]) ).

thf(zip_derived_cl1526,plain,
    ( ( ( op2 @ e23 @ e23 )
      = e20 )
   <= ( ( op2 @ e23 @ e23 )
      = e20 ) ),
    inference(split,[status(esa)],[zip_derived_cl48]) ).

thf(zip_derived_cl292_075,plain,
    ( e21
    = ( op2 @ e23 @ e23 ) ),
    inference(cnf,[status(esa)],[ax13]) ).

thf(zip_derived_cl24443,plain,
    ( ( e21 = e20 )
   <= ( ( op2 @ e23 @ e23 )
      = e20 ) ),
    inference('s_sup+',[status(thm)],[zip_derived_cl1526,zip_derived_cl292]) ).

thf(zip_derived_cl203,plain,
    e20 != e21,
    inference(cnf,[status(esa)],[ax8]) ).

thf('79',plain,
    ( ( op2 @ e23 @ e23 )
   != e20 ),
    inference('simplify_reflect-',[status(thm)],[zip_derived_cl24443,zip_derived_cl203]) ).

thf(zip_derived_cl1529,plain,
    ( ( ( op2 @ e23 @ e23 )
      = e23 )
   <= ( ( op2 @ e23 @ e23 )
      = e23 ) ),
    inference(split,[status(esa)],[zip_derived_cl48]) ).

thf(zip_derived_cl292_076,plain,
    ( e21
    = ( op2 @ e23 @ e23 ) ),
    inference(cnf,[status(esa)],[ax13]) ).

thf(zip_derived_cl24459,plain,
    ( ( e21 = e23 )
   <= ( ( op2 @ e23 @ e23 )
      = e23 ) ),
    inference(demod,[status(thm)],[zip_derived_cl1529,zip_derived_cl292]) ).

thf(zip_derived_cl199,plain,
    e21 != e23,
    inference(cnf,[status(esa)],[ax8]) ).

thf('80',plain,
    ( ( op2 @ e23 @ e23 )
   != e23 ),
    inference('simplify_reflect-',[status(thm)],[zip_derived_cl24459,zip_derived_cl199]) ).

thf('81',plain,
    ( ( ( op2 @ e23 @ e23 )
      = e21 )
    | ( ( op2 @ e23 @ e23 )
      = e23 )
    | ( ( op2 @ e23 @ e23 )
      = e20 )
    | ( ( op2 @ e23 @ e23 )
      = e22 ) ),
    inference(split,[status(esa)],[zip_derived_cl48]) ).

thf(zf_stmt_12,type,
    zip_tseitin_7: $o ).

thf(zf_stmt_13,axiom,
    ( zip_tseitin_7
   => ( ( ( op2 @ e23 @ ( op2 @ e23 @ e23 ) )
       != ( op2 @ e23 @ e23 ) )
      & ( ( op2 @ e22 @ ( op2 @ e23 @ e22 ) )
       != ( op2 @ e23 @ e22 ) )
      & ( ( op2 @ e21 @ ( op2 @ e23 @ e21 ) )
       != ( op2 @ e23 @ e21 ) )
      & ( ( op2 @ e20 @ ( op2 @ e23 @ e20 ) )
       != ( op2 @ e23 @ e20 ) ) ) ) ).

thf(zf_stmt_14,type,
    zip_tseitin_6: $o ).

thf(zf_stmt_15,type,
    zip_tseitin_5: $o ).

thf(zf_stmt_16,type,
    zip_tseitin_4: $o ).

thf(zf_stmt_17,axiom,
    ( ( ( ( op2 @ e23 @ e23 )
        = e23 )
      | ( ( op2 @ e23 @ e23 )
       != e23 ) )
    & ( ( ( op2 @ e23 @ e22 )
        = e23 )
      | ( ( op2 @ e23 @ e23 )
       != e22 ) )
    & ( ( ( op2 @ e23 @ e21 )
        = e23 )
      | ( ( op2 @ e23 @ e23 )
       != e21 ) )
    & ( ( ( op2 @ e23 @ e20 )
        = e23 )
      | ( ( op2 @ e23 @ e23 )
       != e20 ) )
    & ( ( ( op2 @ e22 @ e23 )
        = e22 )
      | ( ( op2 @ e22 @ e22 )
       != e23 ) )
    & ( ( ( op2 @ e22 @ e22 )
        = e22 )
      | ( ( op2 @ e22 @ e22 )
       != e22 ) )
    & ( ( ( op2 @ e22 @ e21 )
        = e22 )
      | ( ( op2 @ e22 @ e22 )
       != e21 ) )
    & ( ( ( op2 @ e22 @ e20 )
        = e22 )
      | ( ( op2 @ e22 @ e22 )
       != e20 ) )
    & ( ( ( op2 @ e21 @ e23 )
        = e21 )
      | ( ( op2 @ e21 @ e21 )
       != e23 ) )
    & ( ( ( op2 @ e21 @ e22 )
        = e21 )
      | ( ( op2 @ e21 @ e21 )
       != e22 ) )
    & ( ( ( op2 @ e21 @ e21 )
        = e21 )
      | ( ( op2 @ e21 @ e21 )
       != e21 ) )
    & ( ( ( op2 @ e21 @ e20 )
        = e21 )
      | ( ( op2 @ e21 @ e21 )
       != e20 ) )
    & ( ( ( op2 @ e20 @ e23 )
        = e20 )
      | ( ( op2 @ e20 @ e20 )
       != e23 ) )
    & ( ( ( op2 @ e20 @ e22 )
        = e20 )
      | ( ( op2 @ e20 @ e20 )
       != e22 ) )
    & ( ( ( op2 @ e20 @ e21 )
        = e20 )
      | ( ( op2 @ e20 @ e20 )
       != e21 ) )
    & ( ( ( op2 @ e20 @ e20 )
        = e20 )
      | ( ( op2 @ e20 @ e20 )
       != e20 ) )
    & ( ( ( op2 @ e23 @ e23 )
        = e23 )
      | ( ( op2 @ e22 @ e22 )
        = e22 )
      | ( ( op2 @ e21 @ e21 )
        = e21 )
      | ( ( op2 @ e20 @ e20 )
        = e20 ) )
    & ( zip_tseitin_7
      | zip_tseitin_6
      | zip_tseitin_5
      | zip_tseitin_4 ) ) ).

thf(zip_derived_cl272,plain,
    ( ( ( op2 @ e23 @ e21 )
      = e23 )
    | ( ( op2 @ e23 @ e23 )
     != e21 ) ),
    inference(cnf,[status(esa)],[zf_stmt_17]) ).

thf('82',plain,
    ( ( ( op2 @ e23 @ e21 )
      = e23 )
    | ( ( op2 @ e23 @ e23 )
     != e21 ) ),
    inference(split,[status(esa)],[zip_derived_cl272]) ).

thf('83',plain,
    ( ( op2 @ e23 @ e21 )
    = e23 ),
    inference('sat_resolution*',[status(thm)],['78','79','80','81','82']) ).

thf(zip_derived_cl24569,plain,
    ( ( op2 @ e23 @ e21 )
    = e23 ),
    inference(simpl_trail,[status(thm)],[zip_derived_cl1537,'83']) ).

thf(zip_derived_cl24572,plain,
    ( ( op2 @ e22 @ e21 )
   != e23 ),
    inference(demod,[status(thm)],[zip_derived_cl180,zip_derived_cl24569]) ).

thf(zip_derived_cl28532,plain,
    ( ( e23 != e23 )
   <= ( ( op2 @ e22 @ e21 )
      = e23 ) ),
    inference('s_sup-',[status(thm)],[zip_derived_cl1553,zip_derived_cl24572]) ).

thf('84',plain,
    ( ( op2 @ e22 @ e21 )
   != e23 ),
    inference(simplify,[status(thm)],[zip_derived_cl28532]) ).

thf(zip_derived_cl53,plain,
    ( ( ( op2 @ e22 @ e22 )
      = e23 )
    | ( ( op2 @ e22 @ e22 )
      = e22 )
    | ( ( op2 @ e22 @ e22 )
      = e21 )
    | ( ( op2 @ e22 @ e22 )
      = e20 ) ),
    inference(cnf,[status(esa)],[ax3]) ).

thf(zip_derived_cl1548,plain,
    ( ( ( op2 @ e22 @ e22 )
      = e22 )
   <= ( ( op2 @ e22 @ e22 )
      = e22 ) ),
    inference(split,[status(esa)],[zip_derived_cl53]) ).

thf(zip_derived_cl1800,plain,
    ( ( ( op2 @ e22 @ ( op2 @ e22 @ e22 ) )
     != ( op2 @ e22 @ e22 ) )
   <= ( ( op2 @ e22 @ ( op2 @ e22 @ e22 ) )
     != ( op2 @ e22 @ e22 ) ) ),
    inference(split,[status(esa)],[zip_derived_cl263]) ).

thf(zip_derived_cl27301,plain,
    ( ( ( op2 @ e22 @ e22 )
     != e22 )
   <= ( ( ( op2 @ e22 @ ( op2 @ e22 @ e22 ) )
       != ( op2 @ e22 @ e22 ) )
      & ( ( op2 @ e22 @ e22 )
        = e22 ) ) ),
    inference('s_sup-',[status(thm)],[zip_derived_cl1548,zip_derived_cl1800]) ).

thf(zip_derived_cl1548_077,plain,
    ( ( ( op2 @ e22 @ e22 )
      = e22 )
   <= ( ( op2 @ e22 @ e22 )
      = e22 ) ),
    inference(split,[status(esa)],[zip_derived_cl53]) ).

thf(zip_derived_cl27303,plain,
    ( ( e22 != e22 )
   <= ( ( ( op2 @ e22 @ ( op2 @ e22 @ e22 ) )
       != ( op2 @ e22 @ e22 ) )
      & ( ( op2 @ e22 @ e22 )
        = e22 ) ) ),
    inference(demod,[status(thm)],[zip_derived_cl27301,zip_derived_cl1548]) ).

thf('85',plain,
    ( ( ( op2 @ e22 @ ( op2 @ e22 @ e22 ) )
      = ( op2 @ e22 @ e22 ) )
    | ( ( op2 @ e22 @ e22 )
     != e22 ) ),
    inference(simplify,[status(thm)],[zip_derived_cl27303]) ).

thf(zip_derived_cl1549,plain,
    ( ( ( op2 @ e22 @ e22 )
      = e23 )
   <= ( ( op2 @ e22 @ e22 )
      = e23 ) ),
    inference(split,[status(esa)],[zip_derived_cl53]) ).

thf(zip_derived_cl1548_078,plain,
    ( ( ( op2 @ e22 @ e22 )
      = e22 )
   <= ( ( op2 @ e22 @ e22 )
      = e22 ) ),
    inference(split,[status(esa)],[zip_derived_cl53]) ).

thf(zip_derived_cl24810,plain,
    ( ( e23 = e22 )
   <= ( ( ( op2 @ e22 @ e22 )
        = e22 )
      & ( ( op2 @ e22 @ e22 )
        = e23 ) ) ),
    inference('s_sup+',[status(thm)],[zip_derived_cl1549,zip_derived_cl1548]) ).

thf(zip_derived_cl198_079,plain,
    e22 != e23,
    inference(cnf,[status(esa)],[ax8]) ).

thf('86',plain,
    ( ( ( op2 @ e22 @ e22 )
     != e23 )
    | ( ( op2 @ e22 @ e22 )
     != e22 ) ),
    inference('simplify_reflect-',[status(thm)],[zip_derived_cl24810,zip_derived_cl198]) ).

thf(zip_derived_cl267,plain,
    ( ( ( op2 @ e22 @ ( op2 @ e23 @ e22 ) )
     != ( op2 @ e23 @ e22 ) )
    | ~ zip_tseitin_7 ),
    inference(cnf,[status(esa)],[zf_stmt_13]) ).

thf('87',plain,
    ( ~ zip_tseitin_7
    | ( ( op2 @ e22 @ ( op2 @ e23 @ e22 ) )
     != ( op2 @ e23 @ e22 ) ) ),
    inference(split,[status(esa)],[zip_derived_cl267]) ).

thf(zip_derived_cl286,plain,
    ( ( ( op2 @ e23 @ e23 )
      = e23 )
    | ( ( op2 @ e22 @ e22 )
      = e22 )
    | ( ( op2 @ e21 @ e21 )
      = e21 )
    | ( ( op2 @ e20 @ e20 )
      = e20 ) ),
    inference(cnf,[status(esa)],[zf_stmt_17]) ).

thf('88',plain,
    ( ( ( op2 @ e22 @ e22 )
      = e22 )
    | ( ( op2 @ e20 @ e20 )
      = e20 )
    | ( ( op2 @ e23 @ e23 )
      = e23 )
    | ( ( op2 @ e21 @ e21 )
      = e21 ) ),
    inference(split,[status(esa)],[zip_derived_cl286]) ).

thf(zip_derived_cl63,plain,
    ( ( ( op2 @ e20 @ e20 )
      = e23 )
    | ( ( op2 @ e20 @ e20 )
      = e22 )
    | ( ( op2 @ e20 @ e20 )
      = e21 )
    | ( ( op2 @ e20 @ e20 )
      = e20 ) ),
    inference(cnf,[status(esa)],[ax3]) ).

thf(zip_derived_cl1589,plain,
    ( ( ( op2 @ e20 @ e20 )
      = e23 )
   <= ( ( op2 @ e20 @ e20 )
      = e23 ) ),
    inference(split,[status(esa)],[zip_derived_cl63]) ).

thf(zip_derived_cl1581,plain,
    ( ( ( op2 @ e20 @ e22 )
      = e23 )
   <= ( ( op2 @ e20 @ e22 )
      = e23 ) ),
    inference(split,[status(esa)],[zip_derived_cl61]) ).

thf(zip_derived_cl166,plain,
    ( ( op2 @ e20 @ e20 )
   != ( op2 @ e20 @ e22 ) ),
    inference(cnf,[status(esa)],[ax6]) ).

thf(zip_derived_cl25318,plain,
    ( ( ( op2 @ e20 @ e20 )
     != e23 )
   <= ( ( op2 @ e20 @ e22 )
      = e23 ) ),
    inference('s_sup-',[status(thm)],[zip_derived_cl1581,zip_derived_cl166]) ).

thf(zip_derived_cl27159,plain,
    ( ( e23 != e23 )
   <= ( ( ( op2 @ e20 @ e22 )
        = e23 )
      & ( ( op2 @ e20 @ e20 )
        = e23 ) ) ),
    inference('s_sup-',[status(thm)],[zip_derived_cl1589,zip_derived_cl25318]) ).

thf('89',plain,
    ( ( ( op2 @ e20 @ e22 )
     != e23 )
    | ( ( op2 @ e20 @ e20 )
     != e23 ) ),
    inference(simplify,[status(thm)],[zip_derived_cl27159]) ).

thf(zip_derived_cl55,plain,
    ( ( ( op2 @ e22 @ e20 )
      = e23 )
    | ( ( op2 @ e22 @ e20 )
      = e22 )
    | ( ( op2 @ e22 @ e20 )
      = e21 )
    | ( ( op2 @ e22 @ e20 )
      = e20 ) ),
    inference(cnf,[status(esa)],[ax3]) ).

thf(zip_derived_cl1554,plain,
    ( ( ( op2 @ e22 @ e20 )
      = e20 )
   <= ( ( op2 @ e22 @ e20 )
      = e20 ) ),
    inference(split,[status(esa)],[zip_derived_cl55]) ).

thf(zip_derived_cl1530_080,plain,
    ( ( ( op2 @ e23 @ e22 )
      = e20 )
   <= ( ( op2 @ e23 @ e22 )
      = e20 ) ),
    inference(split,[status(esa)],[zip_derived_cl49]) ).

thf(zip_derived_cl24569_081,plain,
    ( ( op2 @ e23 @ e21 )
    = e23 ),
    inference(simpl_trail,[status(thm)],[zip_derived_cl1537,'83']) ).

thf(zip_derived_cl1534,plain,
    ( ( ( op2 @ e23 @ e21 )
      = e20 )
   <= ( ( op2 @ e23 @ e21 )
      = e20 ) ),
    inference(split,[status(esa)],[zip_derived_cl50]) ).

thf(zip_derived_cl24574,plain,
    ( ( e23 = e20 )
   <= ( ( op2 @ e23 @ e21 )
      = e20 ) ),
    inference('s_sup+',[status(thm)],[zip_derived_cl24569,zip_derived_cl1534]) ).

thf(zip_derived_cl201_082,plain,
    e20 != e23,
    inference(cnf,[status(esa)],[ax8]) ).

thf('90',plain,
    ( ( op2 @ e23 @ e21 )
   != e20 ),
    inference('simplify_reflect-',[status(thm)],[zip_derived_cl24574,zip_derived_cl201]) ).

thf(zip_derived_cl291,plain,
    ( e22
    = ( op2 @ e23 @ ( op2 @ ( op2 @ e23 @ e23 ) @ ( op2 @ e23 @ e23 ) ) ) ),
    inference(cnf,[status(esa)],[ax13]) ).

thf(zip_derived_cl292_083,plain,
    ( e21
    = ( op2 @ e23 @ e23 ) ),
    inference(cnf,[status(esa)],[ax13]) ).

thf(zip_derived_cl292_084,plain,
    ( e21
    = ( op2 @ e23 @ e23 ) ),
    inference(cnf,[status(esa)],[ax13]) ).

thf(zip_derived_cl22641,plain,
    ( e22
    = ( op2 @ e23 @ ( op2 @ e21 @ e21 ) ) ),
    inference(demod,[status(thm)],[zip_derived_cl291,zip_derived_cl292,zip_derived_cl292]) ).

thf(zip_derived_cl293,plain,
    ( e20
    = ( op2 @ ( op2 @ e23 @ e23 ) @ ( op2 @ e23 @ e23 ) ) ),
    inference(cnf,[status(esa)],[ax13]) ).

thf(zip_derived_cl292_085,plain,
    ( e21
    = ( op2 @ e23 @ e23 ) ),
    inference(cnf,[status(esa)],[ax13]) ).

thf(zip_derived_cl292_086,plain,
    ( e21
    = ( op2 @ e23 @ e23 ) ),
    inference(cnf,[status(esa)],[ax13]) ).

thf(zip_derived_cl22644,plain,
    ( e20
    = ( op2 @ e21 @ e21 ) ),
    inference(demod,[status(thm)],[zip_derived_cl293,zip_derived_cl292,zip_derived_cl292]) ).

thf(zip_derived_cl27978,plain,
    ( e22
    = ( op2 @ e23 @ e20 ) ),
    inference(demod,[status(thm)],[zip_derived_cl22641,zip_derived_cl22644]) ).

thf(zip_derived_cl1538_087,plain,
    ( ( ( op2 @ e23 @ e20 )
      = e20 )
   <= ( ( op2 @ e23 @ e20 )
      = e20 ) ),
    inference(split,[status(esa)],[zip_derived_cl51]) ).

thf(zip_derived_cl27984,plain,
    ( ( e22 = e20 )
   <= ( ( op2 @ e23 @ e20 )
      = e20 ) ),
    inference('s_sup+',[status(thm)],[zip_derived_cl27978,zip_derived_cl1538]) ).

thf(zip_derived_cl202_088,plain,
    e20 != e22,
    inference(cnf,[status(esa)],[ax8]) ).

thf('91',plain,
    ( ( op2 @ e23 @ e20 )
   != e20 ),
    inference('simplify_reflect-',[status(thm)],[zip_derived_cl27984,zip_derived_cl202]) ).

thf(zip_derived_cl71,plain,
    ( ( ( op2 @ e23 @ e23 )
      = e20 )
    | ( ( op2 @ e23 @ e22 )
      = e20 )
    | ( ( op2 @ e23 @ e21 )
      = e20 )
    | ( ( op2 @ e23 @ e20 )
      = e20 ) ),
    inference(cnf,[status(esa)],[ax4]) ).

thf('92',plain,
    ( ( ( op2 @ e23 @ e22 )
      = e20 )
    | ( ( op2 @ e23 @ e20 )
      = e20 )
    | ( ( op2 @ e23 @ e23 )
      = e20 )
    | ( ( op2 @ e23 @ e21 )
      = e20 ) ),
    inference(split,[status(esa)],[zip_derived_cl71]) ).

thf('93',plain,
    ( ( op2 @ e23 @ e22 )
    = e20 ),
    inference('sat_resolution*',[status(thm)],['90','79','91','92']) ).

thf(zip_derived_cl27999,plain,
    ( ( op2 @ e23 @ e22 )
    = e20 ),
    inference(simpl_trail,[status(thm)],[zip_derived_cl1530,'93']) ).

thf(zip_derived_cl1808,plain,
    ( ( ( op2 @ e22 @ ( op2 @ e23 @ e22 ) )
     != ( op2 @ e23 @ e22 ) )
   <= ( ( op2 @ e22 @ ( op2 @ e23 @ e22 ) )
     != ( op2 @ e23 @ e22 ) ) ),
    inference(split,[status(esa)],[zip_derived_cl267]) ).

thf(zip_derived_cl46405,plain,
    ( ( ( op2 @ e22 @ e20 )
     != e20 )
   <= ( ( op2 @ e22 @ ( op2 @ e23 @ e22 ) )
     != ( op2 @ e23 @ e22 ) ) ),
    inference('s_sup-',[status(thm)],[zip_derived_cl27999,zip_derived_cl1808]) ).

thf(zip_derived_cl46443,plain,
    ( ( e20 != e20 )
   <= ( ( ( op2 @ e22 @ ( op2 @ e23 @ e22 ) )
       != ( op2 @ e23 @ e22 ) )
      & ( ( op2 @ e22 @ e20 )
        = e20 ) ) ),
    inference('s_sup-',[status(thm)],[zip_derived_cl1554,zip_derived_cl46405]) ).

thf('94',plain,
    ( ( ( op2 @ e22 @ ( op2 @ e23 @ e22 ) )
      = ( op2 @ e23 @ e22 ) )
    | ( ( op2 @ e22 @ e20 )
     != e20 ) ),
    inference(simplify,[status(thm)],[zip_derived_cl46443]) ).

thf(zip_derived_cl1586,plain,
    ( ( ( op2 @ e20 @ e20 )
      = e20 )
   <= ( ( op2 @ e20 @ e20 )
      = e20 ) ),
    inference(split,[status(esa)],[zip_derived_cl63]) ).

thf(zip_derived_cl1554_089,plain,
    ( ( ( op2 @ e22 @ e20 )
      = e20 )
   <= ( ( op2 @ e22 @ e20 )
      = e20 ) ),
    inference(split,[status(esa)],[zip_derived_cl55]) ).

thf(zip_derived_cl190,plain,
    ( ( op2 @ e20 @ e20 )
   != ( op2 @ e22 @ e20 ) ),
    inference(cnf,[status(esa)],[ax6]) ).

thf(zip_derived_cl24895,plain,
    ( ( ( op2 @ e20 @ e20 )
     != e20 )
   <= ( ( op2 @ e22 @ e20 )
      = e20 ) ),
    inference('s_sup-',[status(thm)],[zip_derived_cl1554,zip_derived_cl190]) ).

thf(zip_derived_cl26950,plain,
    ( ( e20 != e20 )
   <= ( ( ( op2 @ e22 @ e20 )
        = e20 )
      & ( ( op2 @ e20 @ e20 )
        = e20 ) ) ),
    inference('s_sup-',[status(thm)],[zip_derived_cl1586,zip_derived_cl24895]) ).

thf('95',plain,
    ( ( ( op2 @ e22 @ e20 )
     != e20 )
    | ( ( op2 @ e20 @ e20 )
     != e20 ) ),
    inference(simplify,[status(thm)],[zip_derived_cl26950]) ).

thf(zip_derived_cl88,plain,
    ( ( ( op2 @ e23 @ e20 )
      = e23 )
    | ( ( op2 @ e22 @ e20 )
      = e23 )
    | ( ( op2 @ e21 @ e20 )
      = e23 )
    | ( ( op2 @ e20 @ e20 )
      = e23 ) ),
    inference(cnf,[status(esa)],[ax4]) ).

thf('96',plain,
    ( ( ( op2 @ e22 @ e20 )
      = e23 )
    | ( ( op2 @ e20 @ e20 )
      = e23 )
    | ( ( op2 @ e21 @ e20 )
      = e23 )
    | ( ( op2 @ e23 @ e20 )
      = e23 ) ),
    inference(split,[status(esa)],[zip_derived_cl88]) ).

thf(zip_derived_cl1541,plain,
    ( ( ( op2 @ e23 @ e20 )
      = e23 )
   <= ( ( op2 @ e23 @ e20 )
      = e23 ) ),
    inference(split,[status(esa)],[zip_derived_cl51]) ).

thf(zip_derived_cl1540_090,plain,
    ( ( ( op2 @ e23 @ e20 )
      = e22 )
   <= ( ( op2 @ e23 @ e20 )
      = e22 ) ),
    inference(split,[status(esa)],[zip_derived_cl51]) ).

thf(zip_derived_cl24648,plain,
    ( ( e23 = e22 )
   <= ( ( ( op2 @ e23 @ e20 )
        = e22 )
      & ( ( op2 @ e23 @ e20 )
        = e23 ) ) ),
    inference('s_sup+',[status(thm)],[zip_derived_cl1541,zip_derived_cl1540]) ).

thf(zip_derived_cl198_091,plain,
    e22 != e23,
    inference(cnf,[status(esa)],[ax8]) ).

thf('97',plain,
    ( ( ( op2 @ e23 @ e20 )
     != e23 )
    | ( ( op2 @ e23 @ e20 )
     != e22 ) ),
    inference('simplify_reflect-',[status(thm)],[zip_derived_cl24648,zip_derived_cl198]) ).

thf('98',plain,
    ( ( ( op2 @ e22 @ e20 )
      = e23 )
    | ( ( op2 @ e22 @ e20 )
      = e20 )
    | ( ( op2 @ e22 @ e20 )
      = e22 )
    | ( ( op2 @ e22 @ e20 )
      = e21 ) ),
    inference(split,[status(esa)],[zip_derived_cl55]) ).

thf(zip_derived_cl1556,plain,
    ( ( ( op2 @ e22 @ e20 )
      = e22 )
   <= ( ( op2 @ e22 @ e20 )
      = e22 ) ),
    inference(split,[status(esa)],[zip_derived_cl55]) ).

thf(zip_derived_cl1540_092,plain,
    ( ( ( op2 @ e23 @ e20 )
      = e22 )
   <= ( ( op2 @ e23 @ e20 )
      = e22 ) ),
    inference(split,[status(esa)],[zip_derived_cl51]) ).

thf(zip_derived_cl186,plain,
    ( ( op2 @ e22 @ e20 )
   != ( op2 @ e23 @ e20 ) ),
    inference(cnf,[status(esa)],[ax6]) ).

thf(zip_derived_cl24625,plain,
    ( ( ( op2 @ e22 @ e20 )
     != e22 )
   <= ( ( op2 @ e23 @ e20 )
      = e22 ) ),
    inference('s_sup-',[status(thm)],[zip_derived_cl1540,zip_derived_cl186]) ).

thf(zip_derived_cl26687,plain,
    ( ( e22 != e22 )
   <= ( ( ( op2 @ e23 @ e20 )
        = e22 )
      & ( ( op2 @ e22 @ e20 )
        = e22 ) ) ),
    inference('s_sup-',[status(thm)],[zip_derived_cl1556,zip_derived_cl24625]) ).

thf('99',plain,
    ( ( ( op2 @ e22 @ e20 )
     != e22 )
    | ( ( op2 @ e23 @ e20 )
     != e22 ) ),
    inference(simplify,[status(thm)],[zip_derived_cl26687]) ).

thf(zip_derived_cl1360_093,plain,
    ( ( ( op1 @ e12 @ e11 )
      = e12 )
   <= ( ( op1 @ e12 @ e11 )
      = e12 ) ),
    inference(split,[status(esa)],[zip_derived_cl6]) ).

thf(zip_derived_cl1358_094,plain,
    ( ( ( op1 @ e12 @ e11 )
      = e10 )
   <= ( ( op1 @ e12 @ e11 )
      = e10 ) ),
    inference(split,[status(esa)],[zip_derived_cl6]) ).

thf(zip_derived_cl23112,plain,
    ( ( e12 = e10 )
   <= ( ( ( op1 @ e12 @ e11 )
        = e10 )
      & ( ( op1 @ e12 @ e11 )
        = e12 ) ) ),
    inference('s_sup+',[status(thm)],[zip_derived_cl1360,zip_derived_cl1358]) ).

thf(zip_derived_cl196_095,plain,
    e10 != e12,
    inference(cnf,[status(esa)],[ax7]) ).

thf('100',plain,
    ( ( ( op1 @ e12 @ e11 )
     != e10 )
    | ( ( op1 @ e12 @ e11 )
     != e12 ) ),
    inference('simplify_reflect-',[status(thm)],[zip_derived_cl23112,zip_derived_cl196]) ).

thf(zip_derived_cl1363_096,plain,
    ( ( ( op1 @ e12 @ e10 )
      = e11 )
   <= ( ( op1 @ e12 @ e10 )
      = e11 ) ),
    inference(split,[status(esa)],[zip_derived_cl7]) ).

thf(zip_derived_cl1362_097,plain,
    ( ( ( op1 @ e12 @ e10 )
      = e10 )
   <= ( ( op1 @ e12 @ e10 )
      = e10 ) ),
    inference(split,[status(esa)],[zip_derived_cl7]) ).

thf(zip_derived_cl23148,plain,
    ( ( e11 = e10 )
   <= ( ( ( op1 @ e12 @ e10 )
        = e10 )
      & ( ( op1 @ e12 @ e10 )
        = e11 ) ) ),
    inference('s_sup+',[status(thm)],[zip_derived_cl1363,zip_derived_cl1362]) ).

thf(zip_derived_cl197_098,plain,
    e10 != e11,
    inference(cnf,[status(esa)],[ax7]) ).

thf('101',plain,
    ( ( ( op1 @ e12 @ e10 )
     != e11 )
    | ( ( op1 @ e12 @ e10 )
     != e10 ) ),
    inference('simplify_reflect-',[status(thm)],[zip_derived_cl23148,zip_derived_cl197]) ).

thf(zip_derived_cl1352,plain,
    ( ( ( op1 @ e12 @ e13 )
      = e12 )
   <= ( ( op1 @ e12 @ e13 )
      = e12 ) ),
    inference(split,[status(esa)],[zip_derived_cl4]) ).

thf(zip_derived_cl1351_099,plain,
    ( ( ( op1 @ e12 @ e13 )
      = e11 )
   <= ( ( op1 @ e12 @ e13 )
      = e11 ) ),
    inference(split,[status(esa)],[zip_derived_cl4]) ).

thf(zip_derived_cl23012,plain,
    ( ( e12 = e11 )
   <= ( ( ( op1 @ e12 @ e13 )
        = e11 )
      & ( ( op1 @ e12 @ e13 )
        = e12 ) ) ),
    inference('s_sup+',[status(thm)],[zip_derived_cl1352,zip_derived_cl1351]) ).

thf(zip_derived_cl194_100,plain,
    e11 != e12,
    inference(cnf,[status(esa)],[ax7]) ).

thf('102',plain,
    ( ( ( op1 @ e12 @ e13 )
     != e11 )
    | ( ( op1 @ e12 @ e13 )
     != e12 ) ),
    inference('simplify_reflect-',[status(thm)],[zip_derived_cl23012,zip_derived_cl194]) ).

thf(zip_derived_cl1352_101,plain,
    ( ( ( op1 @ e12 @ e13 )
      = e12 )
   <= ( ( op1 @ e12 @ e13 )
      = e12 ) ),
    inference(split,[status(esa)],[zip_derived_cl4]) ).

thf(zip_derived_cl1350_102,plain,
    ( ( ( op1 @ e12 @ e13 )
      = e10 )
   <= ( ( op1 @ e12 @ e13 )
      = e10 ) ),
    inference(split,[status(esa)],[zip_derived_cl4]) ).

thf(zip_derived_cl23011,plain,
    ( ( e12 = e10 )
   <= ( ( ( op1 @ e12 @ e13 )
        = e10 )
      & ( ( op1 @ e12 @ e13 )
        = e12 ) ) ),
    inference('s_sup+',[status(thm)],[zip_derived_cl1352,zip_derived_cl1350]) ).

thf(zip_derived_cl196_103,plain,
    e10 != e12,
    inference(cnf,[status(esa)],[ax7]) ).

thf('103',plain,
    ( ( ( op1 @ e12 @ e13 )
     != e12 )
    | ( ( op1 @ e12 @ e13 )
     != e10 ) ),
    inference('simplify_reflect-',[status(thm)],[zip_derived_cl23011,zip_derived_cl196]) ).

thf(zip_derived_cl1357_104,plain,
    ( ( ( op1 @ e12 @ e12 )
      = e13 )
   <= ( ( op1 @ e12 @ e12 )
      = e13 ) ),
    inference(split,[status(esa)],[zip_derived_cl5]) ).

thf(zip_derived_cl1355_105,plain,
    ( ( ( op1 @ e12 @ e12 )
      = e11 )
   <= ( ( op1 @ e12 @ e12 )
      = e11 ) ),
    inference(split,[status(esa)],[zip_derived_cl5]) ).

thf(zip_derived_cl23083,plain,
    ( ( e13 = e11 )
   <= ( ( ( op1 @ e12 @ e12 )
        = e11 )
      & ( ( op1 @ e12 @ e12 )
        = e13 ) ) ),
    inference('s_sup+',[status(thm)],[zip_derived_cl1357,zip_derived_cl1355]) ).

thf(zip_derived_cl193_106,plain,
    e11 != e13,
    inference(cnf,[status(esa)],[ax7]) ).

thf('104',plain,
    ( ( ( op1 @ e12 @ e12 )
     != e13 )
    | ( ( op1 @ e12 @ e12 )
     != e11 ) ),
    inference('simplify_reflect-',[status(thm)],[zip_derived_cl23083,zip_derived_cl193]) ).

thf(zip_derived_cl240,plain,
    ( ( ( op1 @ e12 @ e13 )
      = e12 )
    | ( ( op1 @ e12 @ e12 )
     != e13 ) ),
    inference(cnf,[status(esa)],[zf_stmt_8]) ).

thf('105',plain,
    ( ( ( op1 @ e12 @ e12 )
     != e13 )
    | ( ( op1 @ e12 @ e13 )
      = e12 ) ),
    inference(split,[status(esa)],[zip_derived_cl240]) ).

thf(zip_derived_cl230,plain,
    ( ( ( op1 @ e11 @ ( op1 @ e12 @ e11 ) )
     != ( op1 @ e12 @ e11 ) )
    | ~ zip_tseitin_2 ),
    inference(cnf,[status(esa)],[zf_stmt_0]) ).

thf('106',plain,
    ( ~ zip_tseitin_2
    | ( ( op1 @ e11 @ ( op1 @ e12 @ e11 ) )
     != ( op1 @ e12 @ e11 ) ) ),
    inference(split,[status(esa)],[zip_derived_cl230]) ).

thf(zip_derived_cl234,plain,
    ( ( ( op1 @ e11 @ ( op1 @ e13 @ e11 ) )
     != ( op1 @ e13 @ e11 ) )
    | ~ zip_tseitin_3 ),
    inference(cnf,[status(esa)],[zf_stmt_2]) ).

thf('107',plain,
    ( ( ( op1 @ e11 @ ( op1 @ e13 @ e11 ) )
     != ( op1 @ e13 @ e11 ) )
    | ~ zip_tseitin_3 ),
    inference(split,[status(esa)],[zip_derived_cl234]) ).

thf(zip_derived_cl1372,plain,
    ( ( ( op1 @ e11 @ e12 )
      = e12 )
   <= ( ( op1 @ e11 @ e12 )
      = e12 ) ),
    inference(split,[status(esa)],[zip_derived_cl9]) ).

thf(zip_derived_cl1360_107,plain,
    ( ( ( op1 @ e12 @ e11 )
      = e12 )
   <= ( ( op1 @ e12 @ e11 )
      = e12 ) ),
    inference(split,[status(esa)],[zip_derived_cl6]) ).

thf(zip_derived_cl1738,plain,
    ( ( ( op1 @ e11 @ ( op1 @ e12 @ e11 ) )
     != ( op1 @ e12 @ e11 ) )
   <= ( ( op1 @ e11 @ ( op1 @ e12 @ e11 ) )
     != ( op1 @ e12 @ e11 ) ) ),
    inference(split,[status(esa)],[zip_derived_cl230]) ).

thf(zip_derived_cl27114,plain,
    ( ( ( op1 @ e11 @ e12 )
     != e12 )
   <= ( ( ( op1 @ e11 @ ( op1 @ e12 @ e11 ) )
       != ( op1 @ e12 @ e11 ) )
      & ( ( op1 @ e12 @ e11 )
        = e12 ) ) ),
    inference('s_sup-',[status(thm)],[zip_derived_cl1360,zip_derived_cl1738]) ).

thf(zip_derived_cl28178,plain,
    ( ( e12 != e12 )
   <= ( ( ( op1 @ e11 @ ( op1 @ e12 @ e11 ) )
       != ( op1 @ e12 @ e11 ) )
      & ( ( op1 @ e12 @ e11 )
        = e12 )
      & ( ( op1 @ e11 @ e12 )
        = e12 ) ) ),
    inference('s_sup-',[status(thm)],[zip_derived_cl1372,zip_derived_cl27114]) ).

thf('108',plain,
    ( ( ( op1 @ e11 @ ( op1 @ e12 @ e11 ) )
      = ( op1 @ e12 @ e11 ) )
    | ( ( op1 @ e11 @ e12 )
     != e12 )
    | ( ( op1 @ e12 @ e11 )
     != e12 ) ),
    inference(simplify,[status(thm)],[zip_derived_cl28178]) ).

thf(zip_derived_cl8,plain,
    ( ( ( op1 @ e11 @ e13 )
      = e13 )
    | ( ( op1 @ e11 @ e13 )
      = e12 )
    | ( ( op1 @ e11 @ e13 )
      = e11 )
    | ( ( op1 @ e11 @ e13 )
      = e10 ) ),
    inference(cnf,[status(esa)],[ax1]) ).

thf(zip_derived_cl1369,plain,
    ( ( ( op1 @ e11 @ e13 )
      = e13 )
   <= ( ( op1 @ e11 @ e13 )
      = e13 ) ),
    inference(split,[status(esa)],[zip_derived_cl8]) ).

thf(zip_derived_cl1746,plain,
    ( ( ( op1 @ e11 @ ( op1 @ e13 @ e11 ) )
     != ( op1 @ e13 @ e11 ) )
   <= ( ( op1 @ e11 @ ( op1 @ e13 @ e11 ) )
     != ( op1 @ e13 @ e11 ) ) ),
    inference(split,[status(esa)],[zip_derived_cl234]) ).

thf(zip_derived_cl22905_108,plain,
    ( ( op1 @ e13 @ e11 )
    = e13 ),
    inference(simpl_trail,[status(thm)],[zip_derived_cl1345,'19']) ).

thf(zip_derived_cl22905_109,plain,
    ( ( op1 @ e13 @ e11 )
    = e13 ),
    inference(simpl_trail,[status(thm)],[zip_derived_cl1345,'19']) ).

thf(zip_derived_cl27199,plain,
    ( ( ( op1 @ e11 @ e13 )
     != e13 )
   <= ( ( op1 @ e11 @ ( op1 @ e13 @ e11 ) )
     != ( op1 @ e13 @ e11 ) ) ),
    inference(demod,[status(thm)],[zip_derived_cl1746,zip_derived_cl22905,zip_derived_cl22905]) ).

thf(zip_derived_cl27203,plain,
    ( ( e13 != e13 )
   <= ( ( ( op1 @ e11 @ ( op1 @ e13 @ e11 ) )
       != ( op1 @ e13 @ e11 ) )
      & ( ( op1 @ e11 @ e13 )
        = e13 ) ) ),
    inference('s_sup-',[status(thm)],[zip_derived_cl1369,zip_derived_cl27199]) ).

thf('109',plain,
    ( ( ( op1 @ e11 @ e13 )
     != e13 )
    | ( ( op1 @ e11 @ ( op1 @ e13 @ e11 ) )
      = ( op1 @ e13 @ e11 ) ) ),
    inference(simplify,[status(thm)],[zip_derived_cl27203]) ).

thf(zip_derived_cl1370,plain,
    ( ( ( op1 @ e11 @ e12 )
      = e10 )
   <= ( ( op1 @ e11 @ e12 )
      = e10 ) ),
    inference(split,[status(esa)],[zip_derived_cl9]) ).

thf(zip_derived_cl110,plain,
    ( ( op1 @ e11 @ e11 )
   != ( op1 @ e11 @ e12 ) ),
    inference(cnf,[status(esa)],[ax5]) ).

thf(zip_derived_cl22621_110,plain,
    ( e10
    = ( op1 @ e11 @ e11 ) ),
    inference(demod,[status(thm)],[zip_derived_cl290,zip_derived_cl289,zip_derived_cl289]) ).

thf(zip_derived_cl22623,plain,
    ( e10
   != ( op1 @ e11 @ e12 ) ),
    inference(demod,[status(thm)],[zip_derived_cl110,zip_derived_cl22621]) ).

thf(zip_derived_cl27563,plain,
    ( ( e10 != e10 )
   <= ( ( op1 @ e11 @ e12 )
      = e10 ) ),
    inference('s_sup-',[status(thm)],[zip_derived_cl1370,zip_derived_cl22623]) ).

thf('110',plain,
    ( ( op1 @ e11 @ e12 )
   != e10 ),
    inference(simplify,[status(thm)],[zip_derived_cl27563]) ).

thf(zip_derived_cl1371_111,plain,
    ( ( ( op1 @ e11 @ e12 )
      = e11 )
   <= ( ( op1 @ e11 @ e12 )
      = e11 ) ),
    inference(split,[status(esa)],[zip_derived_cl9]) ).

thf(zip_derived_cl112,plain,
    ( ( op1 @ e11 @ e10 )
   != ( op1 @ e11 @ e12 ) ),
    inference(cnf,[status(esa)],[ax5]) ).

thf(zip_derived_cl23309_112,plain,
    ( ( op1 @ e11 @ e10 )
    = e11 ),
    inference(simpl_trail,[status(thm)],[zip_derived_cl1379,'35']) ).

thf(zip_derived_cl23311,plain,
    ( e11
   != ( op1 @ e11 @ e12 ) ),
    inference(demod,[status(thm)],[zip_derived_cl112,zip_derived_cl23309]) ).

thf(zip_derived_cl28104,plain,
    ( ( e11 != e11 )
   <= ( ( op1 @ e11 @ e12 )
      = e11 ) ),
    inference('s_sup-',[status(thm)],[zip_derived_cl1371,zip_derived_cl23311]) ).

thf('111',plain,
    ( ( op1 @ e11 @ e12 )
   != e11 ),
    inference(simplify,[status(thm)],[zip_derived_cl28104]) ).

thf(zip_derived_cl33,plain,
    ( ( ( op1 @ e11 @ e13 )
      = e13 )
    | ( ( op1 @ e11 @ e12 )
      = e13 )
    | ( ( op1 @ e11 @ e11 )
      = e13 )
    | ( ( op1 @ e11 @ e10 )
      = e13 ) ),
    inference(cnf,[status(esa)],[ax2]) ).

thf('112',plain,
    ( ( ( op1 @ e11 @ e12 )
      = e13 )
    | ( ( op1 @ e11 @ e13 )
      = e13 )
    | ( ( op1 @ e11 @ e11 )
      = e13 )
    | ( ( op1 @ e11 @ e10 )
      = e13 ) ),
    inference(split,[status(esa)],[zip_derived_cl33]) ).

thf(zip_derived_cl231,plain,
    ( ( ( op1 @ e10 @ ( op1 @ e12 @ e10 ) )
     != ( op1 @ e12 @ e10 ) )
    | ~ zip_tseitin_2 ),
    inference(cnf,[status(esa)],[zf_stmt_0]) ).

thf('113',plain,
    ( ~ zip_tseitin_2
    | ( ( op1 @ e10 @ ( op1 @ e12 @ e10 ) )
     != ( op1 @ e12 @ e10 ) ) ),
    inference(split,[status(esa)],[zip_derived_cl231]) ).

thf(zip_derived_cl235,plain,
    ( ( ( op1 @ e10 @ ( op1 @ e13 @ e10 ) )
     != ( op1 @ e13 @ e10 ) )
    | ~ zip_tseitin_3 ),
    inference(cnf,[status(esa)],[zf_stmt_2]) ).

thf('114',plain,
    ( ( ( op1 @ e10 @ ( op1 @ e13 @ e10 ) )
     != ( op1 @ e13 @ e10 ) )
    | ~ zip_tseitin_3 ),
    inference(split,[status(esa)],[zip_derived_cl235]) ).

thf(zip_derived_cl12,plain,
    ( ( ( op1 @ e10 @ e13 )
      = e13 )
    | ( ( op1 @ e10 @ e13 )
      = e12 )
    | ( ( op1 @ e10 @ e13 )
      = e11 )
    | ( ( op1 @ e10 @ e13 )
      = e10 ) ),
    inference(cnf,[status(esa)],[ax1]) ).

thf(zip_derived_cl1385,plain,
    ( ( ( op1 @ e10 @ e13 )
      = e13 )
   <= ( ( op1 @ e10 @ e13 )
      = e13 ) ),
    inference(split,[status(esa)],[zip_derived_cl12]) ).

thf(zip_derived_cl1365_113,plain,
    ( ( ( op1 @ e12 @ e10 )
      = e13 )
   <= ( ( op1 @ e12 @ e10 )
      = e13 ) ),
    inference(split,[status(esa)],[zip_derived_cl7]) ).

thf(zip_derived_cl1740,plain,
    ( ( ( op1 @ e10 @ ( op1 @ e12 @ e10 ) )
     != ( op1 @ e12 @ e10 ) )
   <= ( ( op1 @ e10 @ ( op1 @ e12 @ e10 ) )
     != ( op1 @ e12 @ e10 ) ) ),
    inference(split,[status(esa)],[zip_derived_cl231]) ).

thf(zip_derived_cl27140,plain,
    ( ( ( op1 @ e10 @ e13 )
     != e13 )
   <= ( ( ( op1 @ e10 @ ( op1 @ e12 @ e10 ) )
       != ( op1 @ e12 @ e10 ) )
      & ( ( op1 @ e12 @ e10 )
        = e13 ) ) ),
    inference('s_sup-',[status(thm)],[zip_derived_cl1365,zip_derived_cl1740]) ).

thf(zip_derived_cl28201,plain,
    ( ( e13 != e13 )
   <= ( ( ( op1 @ e10 @ ( op1 @ e12 @ e10 ) )
       != ( op1 @ e12 @ e10 ) )
      & ( ( op1 @ e12 @ e10 )
        = e13 )
      & ( ( op1 @ e10 @ e13 )
        = e13 ) ) ),
    inference('s_sup-',[status(thm)],[zip_derived_cl1385,zip_derived_cl27140]) ).

thf('115',plain,
    ( ( ( op1 @ e10 @ ( op1 @ e12 @ e10 ) )
      = ( op1 @ e12 @ e10 ) )
    | ( ( op1 @ e10 @ e13 )
     != e13 )
    | ( ( op1 @ e12 @ e10 )
     != e13 ) ),
    inference(simplify,[status(thm)],[zip_derived_cl28201]) ).

thf(zip_derived_cl1388,plain,
    ( ( ( op1 @ e10 @ e12 )
      = e12 )
   <= ( ( op1 @ e10 @ e12 )
      = e12 ) ),
    inference(split,[status(esa)],[zip_derived_cl13]) ).

thf(zip_derived_cl1748,plain,
    ( ( ( op1 @ e10 @ ( op1 @ e13 @ e10 ) )
     != ( op1 @ e13 @ e10 ) )
   <= ( ( op1 @ e10 @ ( op1 @ e13 @ e10 ) )
     != ( op1 @ e13 @ e10 ) ) ),
    inference(split,[status(esa)],[zip_derived_cl235]) ).

thf(zip_derived_cl1410,plain,
    ( ( ( op1 @ e13 @ e10 )
      = e12 )
   <= ( ( op1 @ e13 @ e10 )
      = e12 ) ),
    inference(split,[status(esa)],[zip_derived_cl19]) ).

thf('116',plain,
    ( ( op1 @ e13 @ e10 )
    = e12 ),
    inference('sat_resolution*',[status(thm)],['8','9','10','11','12','13','20','21','22','23','24','25','26','27','28','29','30','36','37','38','39','40','41','42','43','14','44','45','46','47','48','49','50','16','31','51','52','53','54','55','56','62','63','15','57','58','59','60','61']) ).

thf(zip_derived_cl23668,plain,
    ( ( op1 @ e13 @ e10 )
    = e12 ),
    inference(simpl_trail,[status(thm)],[zip_derived_cl1410,'116']) ).

thf(zip_derived_cl23668_114,plain,
    ( ( op1 @ e13 @ e10 )
    = e12 ),
    inference(simpl_trail,[status(thm)],[zip_derived_cl1410,'116']) ).

thf(zip_derived_cl27219,plain,
    ( ( ( op1 @ e10 @ e12 )
     != e12 )
   <= ( ( op1 @ e10 @ ( op1 @ e13 @ e10 ) )
     != ( op1 @ e13 @ e10 ) ) ),
    inference(demod,[status(thm)],[zip_derived_cl1748,zip_derived_cl23668,zip_derived_cl23668]) ).

thf(zip_derived_cl27222,plain,
    ( ( e12 != e12 )
   <= ( ( ( op1 @ e10 @ ( op1 @ e13 @ e10 ) )
       != ( op1 @ e13 @ e10 ) )
      & ( ( op1 @ e10 @ e12 )
        = e12 ) ) ),
    inference('s_sup-',[status(thm)],[zip_derived_cl1388,zip_derived_cl27219]) ).

thf('117',plain,
    ( ( ( op1 @ e10 @ e12 )
     != e12 )
    | ( ( op1 @ e10 @ ( op1 @ e13 @ e10 ) )
      = ( op1 @ e13 @ e10 ) ) ),
    inference(simplify,[status(thm)],[zip_derived_cl27222]) ).

thf(zip_derived_cl16,plain,
    ( ( ( op1 @ e13 @ e13 )
      = e13 )
    | ( ( op1 @ e12 @ e13 )
      = e13 )
    | ( ( op1 @ e11 @ e13 )
      = e13 )
    | ( ( op1 @ e10 @ e13 )
      = e13 ) ),
    inference(cnf,[status(esa)],[ax2]) ).

thf('118',plain,
    ( ( ( op1 @ e12 @ e13 )
      = e13 )
    | ( ( op1 @ e10 @ e13 )
      = e13 )
    | ( ( op1 @ e13 @ e13 )
      = e13 )
    | ( ( op1 @ e11 @ e13 )
      = e13 ) ),
    inference(split,[status(esa)],[zip_derived_cl16]) ).

thf(zip_derived_cl26,plain,
    ( ( ( op1 @ e13 @ e12 )
      = e12 )
    | ( ( op1 @ e12 @ e12 )
      = e12 )
    | ( ( op1 @ e11 @ e12 )
      = e12 )
    | ( ( op1 @ e10 @ e12 )
      = e12 ) ),
    inference(cnf,[status(esa)],[ax2]) ).

thf('119',plain,
    ( ( ( op1 @ e12 @ e12 )
      = e12 )
    | ( ( op1 @ e10 @ e12 )
      = e12 )
    | ( ( op1 @ e13 @ e12 )
      = e12 )
    | ( ( op1 @ e11 @ e12 )
      = e12 ) ),
    inference(split,[status(esa)],[zip_derived_cl26]) ).

thf(zip_derived_cl1373_115,plain,
    ( ( ( op1 @ e11 @ e12 )
      = e13 )
   <= ( ( op1 @ e11 @ e12 )
      = e13 ) ),
    inference(split,[status(esa)],[zip_derived_cl9]) ).

thf(zip_derived_cl1372_116,plain,
    ( ( ( op1 @ e11 @ e12 )
      = e12 )
   <= ( ( op1 @ e11 @ e12 )
      = e12 ) ),
    inference(split,[status(esa)],[zip_derived_cl9]) ).

thf(zip_derived_cl23255,plain,
    ( ( e13 = e12 )
   <= ( ( ( op1 @ e11 @ e12 )
        = e12 )
      & ( ( op1 @ e11 @ e12 )
        = e13 ) ) ),
    inference('s_sup+',[status(thm)],[zip_derived_cl1373,zip_derived_cl1372]) ).

thf(zip_derived_cl192_117,plain,
    e12 != e13,
    inference(cnf,[status(esa)],[ax7]) ).

thf('120',plain,
    ( ( ( op1 @ e11 @ e12 )
     != e12 )
    | ( ( op1 @ e11 @ e12 )
     != e13 ) ),
    inference('simplify_reflect-',[status(thm)],[zip_derived_cl23255,zip_derived_cl192]) ).

thf(zip_derived_cl227,plain,
    ( ( ( op1 @ e10 @ ( op1 @ e11 @ e10 ) )
     != ( op1 @ e11 @ e10 ) )
    | ~ zip_tseitin_1 ),
    inference(cnf,[status(esa)],[zf_stmt_6]) ).

thf('121',plain,
    ( ( ( op1 @ e10 @ ( op1 @ e11 @ e10 ) )
     != ( op1 @ e11 @ e10 ) )
    | ~ zip_tseitin_1 ),
    inference(split,[status(esa)],[zip_derived_cl227]) ).

thf(zip_derived_cl223,plain,
    ( ( ( op1 @ e10 @ ( op1 @ e10 @ e10 ) )
     != ( op1 @ e10 @ e10 ) )
    | ~ zip_tseitin_0 ),
    inference(cnf,[status(esa)],[zf_stmt_1]) ).

thf('122',plain,
    ( ~ zip_tseitin_0
    | ( ( op1 @ e10 @ ( op1 @ e10 @ e10 ) )
     != ( op1 @ e10 @ e10 ) ) ),
    inference(split,[status(esa)],[zip_derived_cl223]) ).

thf(zip_derived_cl1391_118,plain,
    ( ( ( op1 @ e10 @ e11 )
      = e11 )
   <= ( ( op1 @ e10 @ e11 )
      = e11 ) ),
    inference(split,[status(esa)],[zip_derived_cl14]) ).

thf(zip_derived_cl1732,plain,
    ( ( ( op1 @ e10 @ ( op1 @ e11 @ e10 ) )
     != ( op1 @ e11 @ e10 ) )
   <= ( ( op1 @ e10 @ ( op1 @ e11 @ e10 ) )
     != ( op1 @ e11 @ e10 ) ) ),
    inference(split,[status(esa)],[zip_derived_cl227]) ).

thf(zip_derived_cl23309_119,plain,
    ( ( op1 @ e11 @ e10 )
    = e11 ),
    inference(simpl_trail,[status(thm)],[zip_derived_cl1379,'35']) ).

thf(zip_derived_cl23309_120,plain,
    ( ( op1 @ e11 @ e10 )
    = e11 ),
    inference(simpl_trail,[status(thm)],[zip_derived_cl1379,'35']) ).

thf(zip_derived_cl27033,plain,
    ( ( ( op1 @ e10 @ e11 )
     != e11 )
   <= ( ( op1 @ e10 @ ( op1 @ e11 @ e10 ) )
     != ( op1 @ e11 @ e10 ) ) ),
    inference(demod,[status(thm)],[zip_derived_cl1732,zip_derived_cl23309,zip_derived_cl23309]) ).

thf(zip_derived_cl27035,plain,
    ( ( e11 != e11 )
   <= ( ( ( op1 @ e10 @ ( op1 @ e11 @ e10 ) )
       != ( op1 @ e11 @ e10 ) )
      & ( ( op1 @ e10 @ e11 )
        = e11 ) ) ),
    inference('s_sup-',[status(thm)],[zip_derived_cl1391,zip_derived_cl27033]) ).

thf('123',plain,
    ( ( ( op1 @ e10 @ e11 )
     != e11 )
    | ( ( op1 @ e10 @ ( op1 @ e11 @ e10 ) )
      = ( op1 @ e11 @ e10 ) ) ),
    inference(simplify,[status(thm)],[zip_derived_cl27035]) ).

thf(zip_derived_cl1394_121,plain,
    ( ( ( op1 @ e10 @ e10 )
      = e10 )
   <= ( ( op1 @ e10 @ e10 )
      = e10 ) ),
    inference(split,[status(esa)],[zip_derived_cl15]) ).

thf(zip_derived_cl1724,plain,
    ( ( ( op1 @ e10 @ ( op1 @ e10 @ e10 ) )
     != ( op1 @ e10 @ e10 ) )
   <= ( ( op1 @ e10 @ ( op1 @ e10 @ e10 ) )
     != ( op1 @ e10 @ e10 ) ) ),
    inference(split,[status(esa)],[zip_derived_cl223]) ).

thf(zip_derived_cl26939,plain,
    ( ( ( op1 @ e10 @ e10 )
     != e10 )
   <= ( ( ( op1 @ e10 @ ( op1 @ e10 @ e10 ) )
       != ( op1 @ e10 @ e10 ) )
      & ( ( op1 @ e10 @ e10 )
        = e10 ) ) ),
    inference('s_sup-',[status(thm)],[zip_derived_cl1394,zip_derived_cl1724]) ).

thf(zip_derived_cl1394_122,plain,
    ( ( ( op1 @ e10 @ e10 )
      = e10 )
   <= ( ( op1 @ e10 @ e10 )
      = e10 ) ),
    inference(split,[status(esa)],[zip_derived_cl15]) ).

thf(zip_derived_cl26943,plain,
    ( ( e10 != e10 )
   <= ( ( ( op1 @ e10 @ ( op1 @ e10 @ e10 ) )
       != ( op1 @ e10 @ e10 ) )
      & ( ( op1 @ e10 @ e10 )
        = e10 ) ) ),
    inference(demod,[status(thm)],[zip_derived_cl26939,zip_derived_cl1394]) ).

thf('124',plain,
    ( ( ( op1 @ e10 @ ( op1 @ e10 @ e10 ) )
      = ( op1 @ e10 @ e10 ) )
    | ( ( op1 @ e10 @ e10 )
     != e10 ) ),
    inference(simplify,[status(thm)],[zip_derived_cl26943]) ).

thf(zip_derived_cl1359_123,plain,
    ( ( ( op1 @ e12 @ e11 )
      = e11 )
   <= ( ( op1 @ e12 @ e11 )
      = e11 ) ),
    inference(split,[status(esa)],[zip_derived_cl6]) ).

thf(zip_derived_cl1355_124,plain,
    ( ( ( op1 @ e12 @ e12 )
      = e11 )
   <= ( ( op1 @ e12 @ e12 )
      = e11 ) ),
    inference(split,[status(esa)],[zip_derived_cl5]) ).

thf(zip_derived_cl104,plain,
    ( ( op1 @ e12 @ e11 )
   != ( op1 @ e12 @ e12 ) ),
    inference(cnf,[status(esa)],[ax5]) ).

thf(zip_derived_cl23048,plain,
    ( ( ( op1 @ e12 @ e11 )
     != e11 )
   <= ( ( op1 @ e12 @ e12 )
      = e11 ) ),
    inference('s_sup-',[status(thm)],[zip_derived_cl1355,zip_derived_cl104]) ).

thf(zip_derived_cl26328,plain,
    ( ( e11 != e11 )
   <= ( ( ( op1 @ e12 @ e12 )
        = e11 )
      & ( ( op1 @ e12 @ e11 )
        = e11 ) ) ),
    inference('s_sup-',[status(thm)],[zip_derived_cl1359,zip_derived_cl23048]) ).

thf('125',plain,
    ( ( ( op1 @ e12 @ e12 )
     != e11 )
    | ( ( op1 @ e12 @ e11 )
     != e11 ) ),
    inference(simplify,[status(thm)],[zip_derived_cl26328]) ).

thf(zip_derived_cl242,plain,
    ( ( ( op1 @ e12 @ e11 )
      = e12 )
    | ( ( op1 @ e12 @ e12 )
     != e11 ) ),
    inference(cnf,[status(esa)],[zf_stmt_8]) ).

thf('126',plain,
    ( ( ( op1 @ e12 @ e12 )
     != e11 )
    | ( ( op1 @ e12 @ e11 )
      = e12 ) ),
    inference(split,[status(esa)],[zip_derived_cl242]) ).

thf('127',plain,
    ( ( ( op1 @ e12 @ e12 )
      = e12 )
    | ( ( op1 @ e12 @ e12 )
      = e11 )
    | ( ( op1 @ e12 @ e12 )
      = e10 )
    | ( ( op1 @ e12 @ e12 )
      = e13 ) ),
    inference(split,[status(esa)],[zip_derived_cl5]) ).

thf(zip_derived_cl1372_125,plain,
    ( ( ( op1 @ e11 @ e12 )
      = e12 )
   <= ( ( op1 @ e11 @ e12 )
      = e12 ) ),
    inference(split,[status(esa)],[zip_derived_cl9]) ).

thf(zip_derived_cl1356_126,plain,
    ( ( ( op1 @ e12 @ e12 )
      = e12 )
   <= ( ( op1 @ e12 @ e12 )
      = e12 ) ),
    inference(split,[status(esa)],[zip_derived_cl5]) ).

thf(zip_derived_cl128,plain,
    ( ( op1 @ e11 @ e12 )
   != ( op1 @ e12 @ e12 ) ),
    inference(cnf,[status(esa)],[ax5]) ).

thf(zip_derived_cl23063,plain,
    ( ( ( op1 @ e11 @ e12 )
     != e12 )
   <= ( ( op1 @ e12 @ e12 )
      = e12 ) ),
    inference('s_sup-',[status(thm)],[zip_derived_cl1356,zip_derived_cl128]) ).

thf(zip_derived_cl26360,plain,
    ( ( e12 != e12 )
   <= ( ( ( op1 @ e12 @ e12 )
        = e12 )
      & ( ( op1 @ e11 @ e12 )
        = e12 ) ) ),
    inference('s_sup-',[status(thm)],[zip_derived_cl1372,zip_derived_cl23063]) ).

thf('128',plain,
    ( ( ( op1 @ e11 @ e12 )
     != e12 )
    | ( ( op1 @ e12 @ e12 )
     != e12 ) ),
    inference(simplify,[status(thm)],[zip_derived_cl26360]) ).

thf('129',plain,
    ( ( ( op1 @ e11 @ e12 )
      = e13 )
    | ( ( op1 @ e11 @ e12 )
      = e12 )
    | ( ( op1 @ e11 @ e12 )
      = e10 )
    | ( ( op1 @ e11 @ e12 )
      = e11 ) ),
    inference(split,[status(esa)],[zip_derived_cl9]) ).

thf(zip_derived_cl1373_127,plain,
    ( ( ( op1 @ e11 @ e12 )
      = e13 )
   <= ( ( op1 @ e11 @ e12 )
      = e13 ) ),
    inference(split,[status(esa)],[zip_derived_cl9]) ).

thf(zip_derived_cl1369_128,plain,
    ( ( ( op1 @ e11 @ e13 )
      = e13 )
   <= ( ( op1 @ e11 @ e13 )
      = e13 ) ),
    inference(split,[status(esa)],[zip_derived_cl8]) ).

thf(zip_derived_cl108,plain,
    ( ( op1 @ e11 @ e12 )
   != ( op1 @ e11 @ e13 ) ),
    inference(cnf,[status(esa)],[ax5]) ).

thf(zip_derived_cl23205,plain,
    ( ( ( op1 @ e11 @ e12 )
     != e13 )
   <= ( ( op1 @ e11 @ e13 )
      = e13 ) ),
    inference('s_sup-',[status(thm)],[zip_derived_cl1369,zip_derived_cl108]) ).

thf(zip_derived_cl26456,plain,
    ( ( e13 != e13 )
   <= ( ( ( op1 @ e11 @ e13 )
        = e13 )
      & ( ( op1 @ e11 @ e12 )
        = e13 ) ) ),
    inference('s_sup-',[status(thm)],[zip_derived_cl1373,zip_derived_cl23205]) ).

thf('130',plain,
    ( ( ( op1 @ e11 @ e13 )
     != e13 )
    | ( ( op1 @ e11 @ e12 )
     != e13 ) ),
    inference(simplify,[status(thm)],[zip_derived_cl26456]) ).

thf(zip_derived_cl1358_129,plain,
    ( ( ( op1 @ e12 @ e11 )
      = e10 )
   <= ( ( op1 @ e12 @ e11 )
      = e10 ) ),
    inference(split,[status(esa)],[zip_derived_cl6]) ).

thf(zip_derived_cl134,plain,
    ( ( op1 @ e11 @ e11 )
   != ( op1 @ e12 @ e11 ) ),
    inference(cnf,[status(esa)],[ax5]) ).

thf(zip_derived_cl22621_130,plain,
    ( e10
    = ( op1 @ e11 @ e11 ) ),
    inference(demod,[status(thm)],[zip_derived_cl290,zip_derived_cl289,zip_derived_cl289]) ).

thf(zip_derived_cl22626,plain,
    ( e10
   != ( op1 @ e12 @ e11 ) ),
    inference(demod,[status(thm)],[zip_derived_cl134,zip_derived_cl22621]) ).

thf(zip_derived_cl27580,plain,
    ( ( e10 != e10 )
   <= ( ( op1 @ e12 @ e11 )
      = e10 ) ),
    inference('s_sup-',[status(thm)],[zip_derived_cl1358,zip_derived_cl22626]) ).

thf('131',plain,
    ( ( op1 @ e12 @ e11 )
   != e10 ),
    inference(simplify,[status(thm)],[zip_derived_cl27580]) ).

thf(zip_derived_cl46,plain,
    ( ( ( op1 @ e13 @ e10 )
      = e10 )
    | ( ( op1 @ e12 @ e10 )
      = e10 )
    | ( ( op1 @ e11 @ e10 )
      = e10 )
    | ( ( op1 @ e10 @ e10 )
      = e10 ) ),
    inference(cnf,[status(esa)],[ax2]) ).

thf('132',plain,
    ( ( ( op1 @ e12 @ e10 )
      = e10 )
    | ( ( op1 @ e10 @ e10 )
      = e10 )
    | ( ( op1 @ e11 @ e10 )
      = e10 )
    | ( ( op1 @ e13 @ e10 )
      = e10 ) ),
    inference(split,[status(esa)],[zip_derived_cl46]) ).

thf(zip_derived_cl23309_131,plain,
    ( ( op1 @ e11 @ e10 )
    = e11 ),
    inference(simpl_trail,[status(thm)],[zip_derived_cl1379,'35']) ).

thf(zip_derived_cl1378,plain,
    ( ( ( op1 @ e11 @ e10 )
      = e10 )
   <= ( ( op1 @ e11 @ e10 )
      = e10 ) ),
    inference(split,[status(esa)],[zip_derived_cl11]) ).

thf(zip_derived_cl23315,plain,
    ( ( e11 = e10 )
   <= ( ( op1 @ e11 @ e10 )
      = e10 ) ),
    inference('s_sup+',[status(thm)],[zip_derived_cl23309,zip_derived_cl1378]) ).

thf(zip_derived_cl197_132,plain,
    e10 != e11,
    inference(cnf,[status(esa)],[ax7]) ).

thf('133',plain,
    ( ( op1 @ e11 @ e10 )
   != e10 ),
    inference('simplify_reflect-',[status(thm)],[zip_derived_cl23315,zip_derived_cl197]) ).

thf('134',plain,
    ( ( ( op1 @ e12 @ e10 )
      = e10 )
    | ( ( op1 @ e12 @ e13 )
      = e10 )
    | ( ( op1 @ e12 @ e12 )
      = e10 )
    | ( ( op1 @ e12 @ e11 )
      = e10 ) ),
    inference(split,[status(esa)],[zip_derived_cl31]) ).

thf('135',plain,
    ( ( ( op1 @ e12 @ e11 )
      = e11 )
    | ( ( op1 @ e10 @ e11 )
      = e11 )
    | ( ( op1 @ e13 @ e11 )
      = e11 )
    | ( ( op1 @ e11 @ e11 )
      = e11 ) ),
    inference(split,[status(esa)],[zip_derived_cl36]) ).

thf('136',plain,
    ( ( ( op1 @ e10 @ e11 )
     != e11 )
    | ( ( op1 @ e10 @ e11 )
     != e12 ) ),
    inference('simplify_reflect-',[status(thm)],[zip_derived_cl23485,zip_derived_cl194]) ).

thf('137',plain,
    ( ( ( op1 @ e10 @ e11 )
      = e12 )
    | ( ( op1 @ e12 @ e11 )
      = e12 )
    | ( ( op1 @ e13 @ e11 )
      = e12 )
    | ( ( op1 @ e11 @ e11 )
      = e12 ) ),
    inference(split,[status(esa)],[zip_derived_cl34]) ).

thf('138',plain,
    ( ( ( op1 @ e12 @ e11 )
      = e11 )
    | ( ( op1 @ e12 @ e12 )
      = e11 )
    | ( ( op1 @ e12 @ e10 )
      = e11 )
    | ( ( op1 @ e12 @ e13 )
      = e11 ) ),
    inference(split,[status(esa)],[zip_derived_cl29]) ).

thf('139',plain,
    ( ( ( op1 @ e12 @ e11 )
     != e12 )
    | ( ( op1 @ e12 @ e11 )
     != e11 ) ),
    inference('simplify_reflect-',[status(thm)],[zip_derived_cl23113,zip_derived_cl194]) ).

thf('140',plain,
    ( ( ( op1 @ e10 @ e10 )
     != e10 )
    | ( ( op1 @ e10 @ e10 )
     != e13 ) ),
    inference('simplify_reflect-',[status(thm)],[zip_derived_cl23534,zip_derived_cl195]) ).

thf('141',plain,
    ( ( ( op1 @ e10 @ e10 )
      = e13 )
    | ( ( op1 @ e12 @ e10 )
      = e13 )
    | ( ( op1 @ e11 @ e10 )
      = e13 )
    | ( ( op1 @ e13 @ e10 )
      = e13 ) ),
    inference(split,[status(esa)],[zip_derived_cl40]) ).

thf('142',plain,
    ( ( ( op1 @ e12 @ e10 )
     != e12 )
    | ( ( op1 @ e12 @ e10 )
     != e10 ) ),
    inference('simplify_reflect-',[status(thm)],[zip_derived_cl23159,zip_derived_cl196]) ).

thf('143',plain,
    ( ( ( op1 @ e12 @ e13 )
     != e10 )
    | ( ( op1 @ e12 @ e13 )
     != e13 ) ),
    inference('simplify_reflect-',[status(thm)],[zip_derived_cl23025,zip_derived_cl195]) ).

thf('144',plain,
    ( ( ( op1 @ e11 @ e12 )
      = e13 )
    | ( ( op1 @ e10 @ e12 )
      = e13 )
    | ( ( op1 @ e13 @ e12 )
      = e13 )
    | ( ( op1 @ e12 @ e12 )
      = e13 ) ),
    inference(split,[status(esa)],[zip_derived_cl24]) ).

thf('145',plain,
    ( ( ( op1 @ e10 @ e12 )
      = e11 )
    | ( ( op1 @ e12 @ e12 )
      = e11 )
    | ( ( op1 @ e13 @ e12 )
      = e11 )
    | ( ( op1 @ e11 @ e12 )
      = e11 ) ),
    inference(split,[status(esa)],[zip_derived_cl28]) ).

thf('146',plain,
    ( ( ( op1 @ e12 @ e12 )
     != e13 )
    | ( ( op1 @ e12 @ e12 )
     != e12 ) ),
    inference('simplify_reflect-',[status(thm)],[zip_derived_cl23084,zip_derived_cl192]) ).

thf('147',plain,
    ( ( ( op1 @ e12 @ e12 )
     != e11 )
    | ( ( op1 @ e12 @ e12 )
     != e12 ) ),
    inference('simplify_reflect-',[status(thm)],[zip_derived_cl23066,zip_derived_cl194]) ).

thf('148',plain,
    ( ( ( op1 @ e12 @ e12 )
      = e12 )
    | ( ( op1 @ e10 @ e10 )
      = e10 )
    | ( ( op1 @ e13 @ e13 )
      = e13 )
    | ( ( op1 @ e11 @ e11 )
      = e11 ) ),
    inference(split,[status(esa)],[zip_derived_cl252]) ).

thf(zip_derived_cl1365_133,plain,
    ( ( ( op1 @ e12 @ e10 )
      = e13 )
   <= ( ( op1 @ e12 @ e10 )
      = e13 ) ),
    inference(split,[status(esa)],[zip_derived_cl7]) ).

thf(zip_derived_cl1353_134,plain,
    ( ( ( op1 @ e12 @ e13 )
      = e13 )
   <= ( ( op1 @ e12 @ e13 )
      = e13 ) ),
    inference(split,[status(esa)],[zip_derived_cl4]) ).

thf(zip_derived_cl105,plain,
    ( ( op1 @ e12 @ e10 )
   != ( op1 @ e12 @ e13 ) ),
    inference(cnf,[status(esa)],[ax5]) ).

thf(zip_derived_cl23022,plain,
    ( ( ( op1 @ e12 @ e10 )
     != e13 )
   <= ( ( op1 @ e12 @ e13 )
      = e13 ) ),
    inference('s_sup-',[status(thm)],[zip_derived_cl1353,zip_derived_cl105]) ).

thf(zip_derived_cl26315,plain,
    ( ( e13 != e13 )
   <= ( ( ( op1 @ e12 @ e13 )
        = e13 )
      & ( ( op1 @ e12 @ e10 )
        = e13 ) ) ),
    inference('s_sup-',[status(thm)],[zip_derived_cl1365,zip_derived_cl23022]) ).

thf('149',plain,
    ( ( ( op1 @ e12 @ e10 )
     != e13 )
    | ( ( op1 @ e12 @ e13 )
     != e13 ) ),
    inference(simplify,[status(thm)],[zip_derived_cl26315]) ).

thf(zip_derived_cl1365_135,plain,
    ( ( ( op1 @ e12 @ e10 )
      = e13 )
   <= ( ( op1 @ e12 @ e10 )
      = e13 ) ),
    inference(split,[status(esa)],[zip_derived_cl7]) ).

thf(zip_derived_cl1362_136,plain,
    ( ( ( op1 @ e12 @ e10 )
      = e10 )
   <= ( ( op1 @ e12 @ e10 )
      = e10 ) ),
    inference(split,[status(esa)],[zip_derived_cl7]) ).

thf(zip_derived_cl23171,plain,
    ( ( e13 = e10 )
   <= ( ( ( op1 @ e12 @ e10 )
        = e10 )
      & ( ( op1 @ e12 @ e10 )
        = e13 ) ) ),
    inference('s_sup+',[status(thm)],[zip_derived_cl1365,zip_derived_cl1362]) ).

thf(zip_derived_cl195_137,plain,
    e10 != e13,
    inference(cnf,[status(esa)],[ax7]) ).

thf('150',plain,
    ( ( ( op1 @ e12 @ e10 )
     != e13 )
    | ( ( op1 @ e12 @ e10 )
     != e10 ) ),
    inference('simplify_reflect-',[status(thm)],[zip_derived_cl23171,zip_derived_cl195]) ).

thf(co1,conjecture,
    ( ( ( ( ( h4 @ e13 )
          = e23 )
        | ( ( h4 @ e12 )
          = e23 )
        | ( ( h4 @ e11 )
          = e23 )
        | ( ( h4 @ e10 )
          = e23 ) )
      & ( ( ( h4 @ e13 )
          = e22 )
        | ( ( h4 @ e12 )
          = e22 )
        | ( ( h4 @ e11 )
          = e22 )
        | ( ( h4 @ e10 )
          = e22 ) )
      & ( ( ( h4 @ e13 )
          = e21 )
        | ( ( h4 @ e12 )
          = e21 )
        | ( ( h4 @ e11 )
          = e21 )
        | ( ( h4 @ e10 )
          = e21 ) )
      & ( ( ( h4 @ e13 )
          = e20 )
        | ( ( h4 @ e12 )
          = e20 )
        | ( ( h4 @ e11 )
          = e20 )
        | ( ( h4 @ e10 )
          = e20 ) )
      & ( ( h4 @ ( op1 @ e13 @ e13 ) )
        = ( op2 @ ( h4 @ e13 ) @ ( h4 @ e13 ) ) )
      & ( ( h4 @ ( op1 @ e13 @ e12 ) )
        = ( op2 @ ( h4 @ e13 ) @ ( h4 @ e12 ) ) )
      & ( ( h4 @ ( op1 @ e13 @ e11 ) )
        = ( op2 @ ( h4 @ e13 ) @ ( h4 @ e11 ) ) )
      & ( ( h4 @ ( op1 @ e13 @ e10 ) )
        = ( op2 @ ( h4 @ e13 ) @ ( h4 @ e10 ) ) )
      & ( ( h4 @ ( op1 @ e12 @ e13 ) )
        = ( op2 @ ( h4 @ e12 ) @ ( h4 @ e13 ) ) )
      & ( ( h4 @ ( op1 @ e12 @ e12 ) )
        = ( op2 @ ( h4 @ e12 ) @ ( h4 @ e12 ) ) )
      & ( ( h4 @ ( op1 @ e12 @ e11 ) )
        = ( op2 @ ( h4 @ e12 ) @ ( h4 @ e11 ) ) )
      & ( ( h4 @ ( op1 @ e12 @ e10 ) )
        = ( op2 @ ( h4 @ e12 ) @ ( h4 @ e10 ) ) )
      & ( ( h4 @ ( op1 @ e11 @ e13 ) )
        = ( op2 @ ( h4 @ e11 ) @ ( h4 @ e13 ) ) )
      & ( ( h4 @ ( op1 @ e11 @ e12 ) )
        = ( op2 @ ( h4 @ e11 ) @ ( h4 @ e12 ) ) )
      & ( ( h4 @ ( op1 @ e11 @ e11 ) )
        = ( op2 @ ( h4 @ e11 ) @ ( h4 @ e11 ) ) )
      & ( ( h4 @ ( op1 @ e11 @ e10 ) )
        = ( op2 @ ( h4 @ e11 ) @ ( h4 @ e10 ) ) )
      & ( ( h4 @ ( op1 @ e10 @ e13 ) )
        = ( op2 @ ( h4 @ e10 ) @ ( h4 @ e13 ) ) )
      & ( ( h4 @ ( op1 @ e10 @ e12 ) )
        = ( op2 @ ( h4 @ e10 ) @ ( h4 @ e12 ) ) )
      & ( ( h4 @ ( op1 @ e10 @ e11 ) )
        = ( op2 @ ( h4 @ e10 ) @ ( h4 @ e11 ) ) )
      & ( ( h4 @ ( op1 @ e10 @ e10 ) )
        = ( op2 @ ( h4 @ e10 ) @ ( h4 @ e10 ) ) ) )
    | ( ( ( ( h3 @ e13 )
          = e23 )
        | ( ( h3 @ e12 )
          = e23 )
        | ( ( h3 @ e11 )
          = e23 )
        | ( ( h3 @ e10 )
          = e23 ) )
      & ( ( ( h3 @ e13 )
          = e22 )
        | ( ( h3 @ e12 )
          = e22 )
        | ( ( h3 @ e11 )
          = e22 )
        | ( ( h3 @ e10 )
          = e22 ) )
      & ( ( ( h3 @ e13 )
          = e21 )
        | ( ( h3 @ e12 )
          = e21 )
        | ( ( h3 @ e11 )
          = e21 )
        | ( ( h3 @ e10 )
          = e21 ) )
      & ( ( ( h3 @ e13 )
          = e20 )
        | ( ( h3 @ e12 )
          = e20 )
        | ( ( h3 @ e11 )
          = e20 )
        | ( ( h3 @ e10 )
          = e20 ) )
      & ( ( h3 @ ( op1 @ e13 @ e13 ) )
        = ( op2 @ ( h3 @ e13 ) @ ( h3 @ e13 ) ) )
      & ( ( h3 @ ( op1 @ e13 @ e12 ) )
        = ( op2 @ ( h3 @ e13 ) @ ( h3 @ e12 ) ) )
      & ( ( h3 @ ( op1 @ e13 @ e11 ) )
        = ( op2 @ ( h3 @ e13 ) @ ( h3 @ e11 ) ) )
      & ( ( h3 @ ( op1 @ e13 @ e10 ) )
        = ( op2 @ ( h3 @ e13 ) @ ( h3 @ e10 ) ) )
      & ( ( h3 @ ( op1 @ e12 @ e13 ) )
        = ( op2 @ ( h3 @ e12 ) @ ( h3 @ e13 ) ) )
      & ( ( h3 @ ( op1 @ e12 @ e12 ) )
        = ( op2 @ ( h3 @ e12 ) @ ( h3 @ e12 ) ) )
      & ( ( h3 @ ( op1 @ e12 @ e11 ) )
        = ( op2 @ ( h3 @ e12 ) @ ( h3 @ e11 ) ) )
      & ( ( h3 @ ( op1 @ e12 @ e10 ) )
        = ( op2 @ ( h3 @ e12 ) @ ( h3 @ e10 ) ) )
      & ( ( h3 @ ( op1 @ e11 @ e13 ) )
        = ( op2 @ ( h3 @ e11 ) @ ( h3 @ e13 ) ) )
      & ( ( h3 @ ( op1 @ e11 @ e12 ) )
        = ( op2 @ ( h3 @ e11 ) @ ( h3 @ e12 ) ) )
      & ( ( h3 @ ( op1 @ e11 @ e11 ) )
        = ( op2 @ ( h3 @ e11 ) @ ( h3 @ e11 ) ) )
      & ( ( h3 @ ( op1 @ e11 @ e10 ) )
        = ( op2 @ ( h3 @ e11 ) @ ( h3 @ e10 ) ) )
      & ( ( h3 @ ( op1 @ e10 @ e13 ) )
        = ( op2 @ ( h3 @ e10 ) @ ( h3 @ e13 ) ) )
      & ( ( h3 @ ( op1 @ e10 @ e12 ) )
        = ( op2 @ ( h3 @ e10 ) @ ( h3 @ e12 ) ) )
      & ( ( h3 @ ( op1 @ e10 @ e11 ) )
        = ( op2 @ ( h3 @ e10 ) @ ( h3 @ e11 ) ) )
      & ( ( h3 @ ( op1 @ e10 @ e10 ) )
        = ( op2 @ ( h3 @ e10 ) @ ( h3 @ e10 ) ) ) )
    | ( ( ( ( h2 @ e13 )
          = e23 )
        | ( ( h2 @ e12 )
          = e23 )
        | ( ( h2 @ e11 )
          = e23 )
        | ( ( h2 @ e10 )
          = e23 ) )
      & ( ( ( h2 @ e13 )
          = e22 )
        | ( ( h2 @ e12 )
          = e22 )
        | ( ( h2 @ e11 )
          = e22 )
        | ( ( h2 @ e10 )
          = e22 ) )
      & ( ( ( h2 @ e13 )
          = e21 )
        | ( ( h2 @ e12 )
          = e21 )
        | ( ( h2 @ e11 )
          = e21 )
        | ( ( h2 @ e10 )
          = e21 ) )
      & ( ( ( h2 @ e13 )
          = e20 )
        | ( ( h2 @ e12 )
          = e20 )
        | ( ( h2 @ e11 )
          = e20 )
        | ( ( h2 @ e10 )
          = e20 ) )
      & ( ( h2 @ ( op1 @ e13 @ e13 ) )
        = ( op2 @ ( h2 @ e13 ) @ ( h2 @ e13 ) ) )
      & ( ( h2 @ ( op1 @ e13 @ e12 ) )
        = ( op2 @ ( h2 @ e13 ) @ ( h2 @ e12 ) ) )
      & ( ( h2 @ ( op1 @ e13 @ e11 ) )
        = ( op2 @ ( h2 @ e13 ) @ ( h2 @ e11 ) ) )
      & ( ( h2 @ ( op1 @ e13 @ e10 ) )
        = ( op2 @ ( h2 @ e13 ) @ ( h2 @ e10 ) ) )
      & ( ( h2 @ ( op1 @ e12 @ e13 ) )
        = ( op2 @ ( h2 @ e12 ) @ ( h2 @ e13 ) ) )
      & ( ( h2 @ ( op1 @ e12 @ e12 ) )
        = ( op2 @ ( h2 @ e12 ) @ ( h2 @ e12 ) ) )
      & ( ( h2 @ ( op1 @ e12 @ e11 ) )
        = ( op2 @ ( h2 @ e12 ) @ ( h2 @ e11 ) ) )
      & ( ( h2 @ ( op1 @ e12 @ e10 ) )
        = ( op2 @ ( h2 @ e12 ) @ ( h2 @ e10 ) ) )
      & ( ( h2 @ ( op1 @ e11 @ e13 ) )
        = ( op2 @ ( h2 @ e11 ) @ ( h2 @ e13 ) ) )
      & ( ( h2 @ ( op1 @ e11 @ e12 ) )
        = ( op2 @ ( h2 @ e11 ) @ ( h2 @ e12 ) ) )
      & ( ( h2 @ ( op1 @ e11 @ e11 ) )
        = ( op2 @ ( h2 @ e11 ) @ ( h2 @ e11 ) ) )
      & ( ( h2 @ ( op1 @ e11 @ e10 ) )
        = ( op2 @ ( h2 @ e11 ) @ ( h2 @ e10 ) ) )
      & ( ( h2 @ ( op1 @ e10 @ e13 ) )
        = ( op2 @ ( h2 @ e10 ) @ ( h2 @ e13 ) ) )
      & ( ( h2 @ ( op1 @ e10 @ e12 ) )
        = ( op2 @ ( h2 @ e10 ) @ ( h2 @ e12 ) ) )
      & ( ( h2 @ ( op1 @ e10 @ e11 ) )
        = ( op2 @ ( h2 @ e10 ) @ ( h2 @ e11 ) ) )
      & ( ( h2 @ ( op1 @ e10 @ e10 ) )
        = ( op2 @ ( h2 @ e10 ) @ ( h2 @ e10 ) ) ) )
    | ( ( ( ( h1 @ e13 )
          = e23 )
        | ( ( h1 @ e12 )
          = e23 )
        | ( ( h1 @ e11 )
          = e23 )
        | ( ( h1 @ e10 )
          = e23 ) )
      & ( ( ( h1 @ e13 )
          = e22 )
        | ( ( h1 @ e12 )
          = e22 )
        | ( ( h1 @ e11 )
          = e22 )
        | ( ( h1 @ e10 )
          = e22 ) )
      & ( ( ( h1 @ e13 )
          = e21 )
        | ( ( h1 @ e12 )
          = e21 )
        | ( ( h1 @ e11 )
          = e21 )
        | ( ( h1 @ e10 )
          = e21 ) )
      & ( ( ( h1 @ e13 )
          = e20 )
        | ( ( h1 @ e12 )
          = e20 )
        | ( ( h1 @ e11 )
          = e20 )
        | ( ( h1 @ e10 )
          = e20 ) )
      & ( ( h1 @ ( op1 @ e13 @ e13 ) )
        = ( op2 @ ( h1 @ e13 ) @ ( h1 @ e13 ) ) )
      & ( ( h1 @ ( op1 @ e13 @ e12 ) )
        = ( op2 @ ( h1 @ e13 ) @ ( h1 @ e12 ) ) )
      & ( ( h1 @ ( op1 @ e13 @ e11 ) )
        = ( op2 @ ( h1 @ e13 ) @ ( h1 @ e11 ) ) )
      & ( ( h1 @ ( op1 @ e13 @ e10 ) )
        = ( op2 @ ( h1 @ e13 ) @ ( h1 @ e10 ) ) )
      & ( ( h1 @ ( op1 @ e12 @ e13 ) )
        = ( op2 @ ( h1 @ e12 ) @ ( h1 @ e13 ) ) )
      & ( ( h1 @ ( op1 @ e12 @ e12 ) )
        = ( op2 @ ( h1 @ e12 ) @ ( h1 @ e12 ) ) )
      & ( ( h1 @ ( op1 @ e12 @ e11 ) )
        = ( op2 @ ( h1 @ e12 ) @ ( h1 @ e11 ) ) )
      & ( ( h1 @ ( op1 @ e12 @ e10 ) )
        = ( op2 @ ( h1 @ e12 ) @ ( h1 @ e10 ) ) )
      & ( ( h1 @ ( op1 @ e11 @ e13 ) )
        = ( op2 @ ( h1 @ e11 ) @ ( h1 @ e13 ) ) )
      & ( ( h1 @ ( op1 @ e11 @ e12 ) )
        = ( op2 @ ( h1 @ e11 ) @ ( h1 @ e12 ) ) )
      & ( ( h1 @ ( op1 @ e11 @ e11 ) )
        = ( op2 @ ( h1 @ e11 ) @ ( h1 @ e11 ) ) )
      & ( ( h1 @ ( op1 @ e11 @ e10 ) )
        = ( op2 @ ( h1 @ e11 ) @ ( h1 @ e10 ) ) )
      & ( ( h1 @ ( op1 @ e10 @ e13 ) )
        = ( op2 @ ( h1 @ e10 ) @ ( h1 @ e13 ) ) )
      & ( ( h1 @ ( op1 @ e10 @ e12 ) )
        = ( op2 @ ( h1 @ e10 ) @ ( h1 @ e12 ) ) )
      & ( ( h1 @ ( op1 @ e10 @ e11 ) )
        = ( op2 @ ( h1 @ e10 ) @ ( h1 @ e11 ) ) )
      & ( ( h1 @ ( op1 @ e10 @ e10 ) )
        = ( op2 @ ( h1 @ e10 ) @ ( h1 @ e10 ) ) ) ) ) ).

thf(zf_stmt_18,negated_conjecture,
    ~ ( ( ( ( ( h4 @ e13 )
            = e23 )
          | ( ( h4 @ e12 )
            = e23 )
          | ( ( h4 @ e11 )
            = e23 )
          | ( ( h4 @ e10 )
            = e23 ) )
        & ( ( ( h4 @ e13 )
            = e22 )
          | ( ( h4 @ e12 )
            = e22 )
          | ( ( h4 @ e11 )
            = e22 )
          | ( ( h4 @ e10 )
            = e22 ) )
        & ( ( ( h4 @ e13 )
            = e21 )
          | ( ( h4 @ e12 )
            = e21 )
          | ( ( h4 @ e11 )
            = e21 )
          | ( ( h4 @ e10 )
            = e21 ) )
        & ( ( ( h4 @ e13 )
            = e20 )
          | ( ( h4 @ e12 )
            = e20 )
          | ( ( h4 @ e11 )
            = e20 )
          | ( ( h4 @ e10 )
            = e20 ) )
        & ( ( h4 @ ( op1 @ e13 @ e13 ) )
          = ( op2 @ ( h4 @ e13 ) @ ( h4 @ e13 ) ) )
        & ( ( h4 @ ( op1 @ e13 @ e12 ) )
          = ( op2 @ ( h4 @ e13 ) @ ( h4 @ e12 ) ) )
        & ( ( h4 @ ( op1 @ e13 @ e11 ) )
          = ( op2 @ ( h4 @ e13 ) @ ( h4 @ e11 ) ) )
        & ( ( h4 @ ( op1 @ e13 @ e10 ) )
          = ( op2 @ ( h4 @ e13 ) @ ( h4 @ e10 ) ) )
        & ( ( h4 @ ( op1 @ e12 @ e13 ) )
          = ( op2 @ ( h4 @ e12 ) @ ( h4 @ e13 ) ) )
        & ( ( h4 @ ( op1 @ e12 @ e12 ) )
          = ( op2 @ ( h4 @ e12 ) @ ( h4 @ e12 ) ) )
        & ( ( h4 @ ( op1 @ e12 @ e11 ) )
          = ( op2 @ ( h4 @ e12 ) @ ( h4 @ e11 ) ) )
        & ( ( h4 @ ( op1 @ e12 @ e10 ) )
          = ( op2 @ ( h4 @ e12 ) @ ( h4 @ e10 ) ) )
        & ( ( h4 @ ( op1 @ e11 @ e13 ) )
          = ( op2 @ ( h4 @ e11 ) @ ( h4 @ e13 ) ) )
        & ( ( h4 @ ( op1 @ e11 @ e12 ) )
          = ( op2 @ ( h4 @ e11 ) @ ( h4 @ e12 ) ) )
        & ( ( h4 @ ( op1 @ e11 @ e11 ) )
          = ( op2 @ ( h4 @ e11 ) @ ( h4 @ e11 ) ) )
        & ( ( h4 @ ( op1 @ e11 @ e10 ) )
          = ( op2 @ ( h4 @ e11 ) @ ( h4 @ e10 ) ) )
        & ( ( h4 @ ( op1 @ e10 @ e13 ) )
          = ( op2 @ ( h4 @ e10 ) @ ( h4 @ e13 ) ) )
        & ( ( h4 @ ( op1 @ e10 @ e12 ) )
          = ( op2 @ ( h4 @ e10 ) @ ( h4 @ e12 ) ) )
        & ( ( h4 @ ( op1 @ e10 @ e11 ) )
          = ( op2 @ ( h4 @ e10 ) @ ( h4 @ e11 ) ) )
        & ( ( h4 @ ( op1 @ e10 @ e10 ) )
          = ( op2 @ ( h4 @ e10 ) @ ( h4 @ e10 ) ) ) )
      | ( ( ( ( h3 @ e13 )
            = e23 )
          | ( ( h3 @ e12 )
            = e23 )
          | ( ( h3 @ e11 )
            = e23 )
          | ( ( h3 @ e10 )
            = e23 ) )
        & ( ( ( h3 @ e13 )
            = e22 )
          | ( ( h3 @ e12 )
            = e22 )
          | ( ( h3 @ e11 )
            = e22 )
          | ( ( h3 @ e10 )
            = e22 ) )
        & ( ( ( h3 @ e13 )
            = e21 )
          | ( ( h3 @ e12 )
            = e21 )
          | ( ( h3 @ e11 )
            = e21 )
          | ( ( h3 @ e10 )
            = e21 ) )
        & ( ( ( h3 @ e13 )
            = e20 )
          | ( ( h3 @ e12 )
            = e20 )
          | ( ( h3 @ e11 )
            = e20 )
          | ( ( h3 @ e10 )
            = e20 ) )
        & ( ( h3 @ ( op1 @ e13 @ e13 ) )
          = ( op2 @ ( h3 @ e13 ) @ ( h3 @ e13 ) ) )
        & ( ( h3 @ ( op1 @ e13 @ e12 ) )
          = ( op2 @ ( h3 @ e13 ) @ ( h3 @ e12 ) ) )
        & ( ( h3 @ ( op1 @ e13 @ e11 ) )
          = ( op2 @ ( h3 @ e13 ) @ ( h3 @ e11 ) ) )
        & ( ( h3 @ ( op1 @ e13 @ e10 ) )
          = ( op2 @ ( h3 @ e13 ) @ ( h3 @ e10 ) ) )
        & ( ( h3 @ ( op1 @ e12 @ e13 ) )
          = ( op2 @ ( h3 @ e12 ) @ ( h3 @ e13 ) ) )
        & ( ( h3 @ ( op1 @ e12 @ e12 ) )
          = ( op2 @ ( h3 @ e12 ) @ ( h3 @ e12 ) ) )
        & ( ( h3 @ ( op1 @ e12 @ e11 ) )
          = ( op2 @ ( h3 @ e12 ) @ ( h3 @ e11 ) ) )
        & ( ( h3 @ ( op1 @ e12 @ e10 ) )
          = ( op2 @ ( h3 @ e12 ) @ ( h3 @ e10 ) ) )
        & ( ( h3 @ ( op1 @ e11 @ e13 ) )
          = ( op2 @ ( h3 @ e11 ) @ ( h3 @ e13 ) ) )
        & ( ( h3 @ ( op1 @ e11 @ e12 ) )
          = ( op2 @ ( h3 @ e11 ) @ ( h3 @ e12 ) ) )
        & ( ( h3 @ ( op1 @ e11 @ e11 ) )
          = ( op2 @ ( h3 @ e11 ) @ ( h3 @ e11 ) ) )
        & ( ( h3 @ ( op1 @ e11 @ e10 ) )
          = ( op2 @ ( h3 @ e11 ) @ ( h3 @ e10 ) ) )
        & ( ( h3 @ ( op1 @ e10 @ e13 ) )
          = ( op2 @ ( h3 @ e10 ) @ ( h3 @ e13 ) ) )
        & ( ( h3 @ ( op1 @ e10 @ e12 ) )
          = ( op2 @ ( h3 @ e10 ) @ ( h3 @ e12 ) ) )
        & ( ( h3 @ ( op1 @ e10 @ e11 ) )
          = ( op2 @ ( h3 @ e10 ) @ ( h3 @ e11 ) ) )
        & ( ( h3 @ ( op1 @ e10 @ e10 ) )
          = ( op2 @ ( h3 @ e10 ) @ ( h3 @ e10 ) ) ) )
      | ( ( ( ( h2 @ e13 )
            = e23 )
          | ( ( h2 @ e12 )
            = e23 )
          | ( ( h2 @ e11 )
            = e23 )
          | ( ( h2 @ e10 )
            = e23 ) )
        & ( ( ( h2 @ e13 )
            = e22 )
          | ( ( h2 @ e12 )
            = e22 )
          | ( ( h2 @ e11 )
            = e22 )
          | ( ( h2 @ e10 )
            = e22 ) )
        & ( ( ( h2 @ e13 )
            = e21 )
          | ( ( h2 @ e12 )
            = e21 )
          | ( ( h2 @ e11 )
            = e21 )
          | ( ( h2 @ e10 )
            = e21 ) )
        & ( ( ( h2 @ e13 )
            = e20 )
          | ( ( h2 @ e12 )
            = e20 )
          | ( ( h2 @ e11 )
            = e20 )
          | ( ( h2 @ e10 )
            = e20 ) )
        & ( ( h2 @ ( op1 @ e13 @ e13 ) )
          = ( op2 @ ( h2 @ e13 ) @ ( h2 @ e13 ) ) )
        & ( ( h2 @ ( op1 @ e13 @ e12 ) )
          = ( op2 @ ( h2 @ e13 ) @ ( h2 @ e12 ) ) )
        & ( ( h2 @ ( op1 @ e13 @ e11 ) )
          = ( op2 @ ( h2 @ e13 ) @ ( h2 @ e11 ) ) )
        & ( ( h2 @ ( op1 @ e13 @ e10 ) )
          = ( op2 @ ( h2 @ e13 ) @ ( h2 @ e10 ) ) )
        & ( ( h2 @ ( op1 @ e12 @ e13 ) )
          = ( op2 @ ( h2 @ e12 ) @ ( h2 @ e13 ) ) )
        & ( ( h2 @ ( op1 @ e12 @ e12 ) )
          = ( op2 @ ( h2 @ e12 ) @ ( h2 @ e12 ) ) )
        & ( ( h2 @ ( op1 @ e12 @ e11 ) )
          = ( op2 @ ( h2 @ e12 ) @ ( h2 @ e11 ) ) )
        & ( ( h2 @ ( op1 @ e12 @ e10 ) )
          = ( op2 @ ( h2 @ e12 ) @ ( h2 @ e10 ) ) )
        & ( ( h2 @ ( op1 @ e11 @ e13 ) )
          = ( op2 @ ( h2 @ e11 ) @ ( h2 @ e13 ) ) )
        & ( ( h2 @ ( op1 @ e11 @ e12 ) )
          = ( op2 @ ( h2 @ e11 ) @ ( h2 @ e12 ) ) )
        & ( ( h2 @ ( op1 @ e11 @ e11 ) )
          = ( op2 @ ( h2 @ e11 ) @ ( h2 @ e11 ) ) )
        & ( ( h2 @ ( op1 @ e11 @ e10 ) )
          = ( op2 @ ( h2 @ e11 ) @ ( h2 @ e10 ) ) )
        & ( ( h2 @ ( op1 @ e10 @ e13 ) )
          = ( op2 @ ( h2 @ e10 ) @ ( h2 @ e13 ) ) )
        & ( ( h2 @ ( op1 @ e10 @ e12 ) )
          = ( op2 @ ( h2 @ e10 ) @ ( h2 @ e12 ) ) )
        & ( ( h2 @ ( op1 @ e10 @ e11 ) )
          = ( op2 @ ( h2 @ e10 ) @ ( h2 @ e11 ) ) )
        & ( ( h2 @ ( op1 @ e10 @ e10 ) )
          = ( op2 @ ( h2 @ e10 ) @ ( h2 @ e10 ) ) ) )
      | ( ( ( ( h1 @ e13 )
            = e23 )
          | ( ( h1 @ e12 )
            = e23 )
          | ( ( h1 @ e11 )
            = e23 )
          | ( ( h1 @ e10 )
            = e23 ) )
        & ( ( ( h1 @ e13 )
            = e22 )
          | ( ( h1 @ e12 )
            = e22 )
          | ( ( h1 @ e11 )
            = e22 )
          | ( ( h1 @ e10 )
            = e22 ) )
        & ( ( ( h1 @ e13 )
            = e21 )
          | ( ( h1 @ e12 )
            = e21 )
          | ( ( h1 @ e11 )
            = e21 )
          | ( ( h1 @ e10 )
            = e21 ) )
        & ( ( ( h1 @ e13 )
            = e20 )
          | ( ( h1 @ e12 )
            = e20 )
          | ( ( h1 @ e11 )
            = e20 )
          | ( ( h1 @ e10 )
            = e20 ) )
        & ( ( h1 @ ( op1 @ e13 @ e13 ) )
          = ( op2 @ ( h1 @ e13 ) @ ( h1 @ e13 ) ) )
        & ( ( h1 @ ( op1 @ e13 @ e12 ) )
          = ( op2 @ ( h1 @ e13 ) @ ( h1 @ e12 ) ) )
        & ( ( h1 @ ( op1 @ e13 @ e11 ) )
          = ( op2 @ ( h1 @ e13 ) @ ( h1 @ e11 ) ) )
        & ( ( h1 @ ( op1 @ e13 @ e10 ) )
          = ( op2 @ ( h1 @ e13 ) @ ( h1 @ e10 ) ) )
        & ( ( h1 @ ( op1 @ e12 @ e13 ) )
          = ( op2 @ ( h1 @ e12 ) @ ( h1 @ e13 ) ) )
        & ( ( h1 @ ( op1 @ e12 @ e12 ) )
          = ( op2 @ ( h1 @ e12 ) @ ( h1 @ e12 ) ) )
        & ( ( h1 @ ( op1 @ e12 @ e11 ) )
          = ( op2 @ ( h1 @ e12 ) @ ( h1 @ e11 ) ) )
        & ( ( h1 @ ( op1 @ e12 @ e10 ) )
          = ( op2 @ ( h1 @ e12 ) @ ( h1 @ e10 ) ) )
        & ( ( h1 @ ( op1 @ e11 @ e13 ) )
          = ( op2 @ ( h1 @ e11 ) @ ( h1 @ e13 ) ) )
        & ( ( h1 @ ( op1 @ e11 @ e12 ) )
          = ( op2 @ ( h1 @ e11 ) @ ( h1 @ e12 ) ) )
        & ( ( h1 @ ( op1 @ e11 @ e11 ) )
          = ( op2 @ ( h1 @ e11 ) @ ( h1 @ e11 ) ) )
        & ( ( h1 @ ( op1 @ e11 @ e10 ) )
          = ( op2 @ ( h1 @ e11 ) @ ( h1 @ e10 ) ) )
        & ( ( h1 @ ( op1 @ e10 @ e13 ) )
          = ( op2 @ ( h1 @ e10 ) @ ( h1 @ e13 ) ) )
        & ( ( h1 @ ( op1 @ e10 @ e12 ) )
          = ( op2 @ ( h1 @ e10 ) @ ( h1 @ e12 ) ) )
        & ( ( h1 @ ( op1 @ e10 @ e11 ) )
          = ( op2 @ ( h1 @ e10 ) @ ( h1 @ e11 ) ) )
        & ( ( h1 @ ( op1 @ e10 @ e10 ) )
          = ( op2 @ ( h1 @ e10 ) @ ( h1 @ e10 ) ) ) ) ),
    inference('cnf.neg',[status(esa)],[co1]) ).

thf(zip_derived_cl1086,plain,
    ( ( ( h4 @ e13 )
     != e23 )
    | ( ( h4 @ e10 )
     != e22 )
    | ( ( h4 @ e11 )
     != e21 )
    | ( ( h4 @ e10 )
     != e20 )
    | ( ( h4 @ ( op1 @ e13 @ e13 ) )
     != ( op2 @ ( h4 @ e13 ) @ ( h4 @ e13 ) ) )
    | ( ( h4 @ ( op1 @ e13 @ e12 ) )
     != ( op2 @ ( h4 @ e13 ) @ ( h4 @ e12 ) ) )
    | ( ( h4 @ ( op1 @ e13 @ e11 ) )
     != ( op2 @ ( h4 @ e13 ) @ ( h4 @ e11 ) ) )
    | ( ( h4 @ ( op1 @ e13 @ e10 ) )
     != ( op2 @ ( h4 @ e13 ) @ ( h4 @ e10 ) ) )
    | ( ( h4 @ ( op1 @ e12 @ e13 ) )
     != ( op2 @ ( h4 @ e12 ) @ ( h4 @ e13 ) ) )
    | ( ( h4 @ ( op1 @ e12 @ e12 ) )
     != ( op2 @ ( h4 @ e12 ) @ ( h4 @ e12 ) ) )
    | ( ( h4 @ ( op1 @ e12 @ e11 ) )
     != ( op2 @ ( h4 @ e12 ) @ ( h4 @ e11 ) ) )
    | ( ( h4 @ ( op1 @ e12 @ e10 ) )
     != ( op2 @ ( h4 @ e12 ) @ ( h4 @ e10 ) ) )
    | ( ( h4 @ ( op1 @ e11 @ e13 ) )
     != ( op2 @ ( h4 @ e11 ) @ ( h4 @ e13 ) ) )
    | ( ( h4 @ ( op1 @ e11 @ e12 ) )
     != ( op2 @ ( h4 @ e11 ) @ ( h4 @ e12 ) ) )
    | ( ( h4 @ ( op1 @ e11 @ e11 ) )
     != ( op2 @ ( h4 @ e11 ) @ ( h4 @ e11 ) ) )
    | ( ( h4 @ ( op1 @ e11 @ e10 ) )
     != ( op2 @ ( h4 @ e11 ) @ ( h4 @ e10 ) ) )
    | ( ( h4 @ ( op1 @ e10 @ e13 ) )
     != ( op2 @ ( h4 @ e10 ) @ ( h4 @ e13 ) ) )
    | ( ( h4 @ ( op1 @ e10 @ e12 ) )
     != ( op2 @ ( h4 @ e10 ) @ ( h4 @ e12 ) ) )
    | ( ( h4 @ ( op1 @ e10 @ e11 ) )
     != ( op2 @ ( h4 @ e10 ) @ ( h4 @ e11 ) ) )
    | ( ( h4 @ ( op1 @ e10 @ e10 ) )
     != ( op2 @ ( h4 @ e10 ) @ ( h4 @ e10 ) ) ) ),
    inference(cnf,[status(esa)],[zf_stmt_18]) ).

thf(zip_derived_cl17385,plain,
    ( ( ( h4 @ e11 )
     != e21 )
   <= ( ( h4 @ e11 )
     != e21 ) ),
    inference(split,[status(esa)],[zip_derived_cl1086]) ).

thf(ax17,axiom,
    ( ( ( h4 @ e12 )
      = ( op2 @ e23 @ ( op2 @ ( op2 @ e23 @ e23 ) @ ( op2 @ e23 @ e23 ) ) ) )
    & ( ( h4 @ e11 )
      = ( op2 @ e23 @ e23 ) )
    & ( ( h4 @ e10 )
      = ( op2 @ ( op2 @ e23 @ e23 ) @ ( op2 @ e23 @ e23 ) ) )
    & ( ( h4 @ e13 )
      = e23 ) ) ).

thf(zip_derived_cl307,plain,
    ( ( h4 @ e11 )
    = ( op2 @ e23 @ e23 ) ),
    inference(cnf,[status(esa)],[ax17]) ).

thf(zip_derived_cl292_138,plain,
    ( e21
    = ( op2 @ e23 @ e23 ) ),
    inference(cnf,[status(esa)],[ax13]) ).

thf(zip_derived_cl22747,plain,
    ( ( h4 @ e11 )
    = e21 ),
    inference(demod,[status(thm)],[zip_derived_cl307,zip_derived_cl292]) ).

thf(zip_derived_cl24620,plain,
    ( ( e21 != e21 )
   <= ( ( h4 @ e11 )
     != e21 ) ),
    inference(demod,[status(thm)],[zip_derived_cl17385,zip_derived_cl22747]) ).

thf('151',plain,
    ( ( h4 @ e11 )
    = e21 ),
    inference(simplify,[status(thm)],[zip_derived_cl24620]) ).

thf(zip_derived_cl1078,plain,
    ( ( ( h4 @ e13 )
     != e23 )
    | ( ( h4 @ e10 )
     != e22 )
    | ( ( h4 @ e13 )
     != e21 )
    | ( ( h4 @ e10 )
     != e20 )
    | ( ( h4 @ ( op1 @ e13 @ e13 ) )
     != ( op2 @ ( h4 @ e13 ) @ ( h4 @ e13 ) ) )
    | ( ( h4 @ ( op1 @ e13 @ e12 ) )
     != ( op2 @ ( h4 @ e13 ) @ ( h4 @ e12 ) ) )
    | ( ( h4 @ ( op1 @ e13 @ e11 ) )
     != ( op2 @ ( h4 @ e13 ) @ ( h4 @ e11 ) ) )
    | ( ( h4 @ ( op1 @ e13 @ e10 ) )
     != ( op2 @ ( h4 @ e13 ) @ ( h4 @ e10 ) ) )
    | ( ( h4 @ ( op1 @ e12 @ e13 ) )
     != ( op2 @ ( h4 @ e12 ) @ ( h4 @ e13 ) ) )
    | ( ( h4 @ ( op1 @ e12 @ e12 ) )
     != ( op2 @ ( h4 @ e12 ) @ ( h4 @ e12 ) ) )
    | ( ( h4 @ ( op1 @ e12 @ e11 ) )
     != ( op2 @ ( h4 @ e12 ) @ ( h4 @ e11 ) ) )
    | ( ( h4 @ ( op1 @ e12 @ e10 ) )
     != ( op2 @ ( h4 @ e12 ) @ ( h4 @ e10 ) ) )
    | ( ( h4 @ ( op1 @ e11 @ e13 ) )
     != ( op2 @ ( h4 @ e11 ) @ ( h4 @ e13 ) ) )
    | ( ( h4 @ ( op1 @ e11 @ e12 ) )
     != ( op2 @ ( h4 @ e11 ) @ ( h4 @ e12 ) ) )
    | ( ( h4 @ ( op1 @ e11 @ e11 ) )
     != ( op2 @ ( h4 @ e11 ) @ ( h4 @ e11 ) ) )
    | ( ( h4 @ ( op1 @ e11 @ e10 ) )
     != ( op2 @ ( h4 @ e11 ) @ ( h4 @ e10 ) ) )
    | ( ( h4 @ ( op1 @ e10 @ e13 ) )
     != ( op2 @ ( h4 @ e10 ) @ ( h4 @ e13 ) ) )
    | ( ( h4 @ ( op1 @ e10 @ e12 ) )
     != ( op2 @ ( h4 @ e10 ) @ ( h4 @ e12 ) ) )
    | ( ( h4 @ ( op1 @ e10 @ e11 ) )
     != ( op2 @ ( h4 @ e10 ) @ ( h4 @ e11 ) ) )
    | ( ( h4 @ ( op1 @ e10 @ e10 ) )
     != ( op2 @ ( h4 @ e10 ) @ ( h4 @ e10 ) ) ) ),
    inference(cnf,[status(esa)],[zf_stmt_18]) ).

thf(zip_derived_cl17221,plain,
    ( ( ( h4 @ ( op1 @ e13 @ e13 ) )
     != ( op2 @ ( h4 @ e13 ) @ ( h4 @ e13 ) ) )
   <= ( ( h4 @ ( op1 @ e13 @ e13 ) )
     != ( op2 @ ( h4 @ e13 ) @ ( h4 @ e13 ) ) ) ),
    inference(split,[status(esa)],[zip_derived_cl1078]) ).

thf(zip_derived_cl289_139,plain,
    ( e11
    = ( op1 @ e13 @ e13 ) ),
    inference(cnf,[status(esa)],[ax12]) ).

thf(zip_derived_cl22747_140,plain,
    ( ( h4 @ e11 )
    = e21 ),
    inference(demod,[status(thm)],[zip_derived_cl307,zip_derived_cl292]) ).

thf(zip_derived_cl309,plain,
    ( ( h4 @ e13 )
    = e23 ),
    inference(cnf,[status(esa)],[ax17]) ).

thf(zip_derived_cl309_141,plain,
    ( ( h4 @ e13 )
    = e23 ),
    inference(cnf,[status(esa)],[ax17]) ).

thf(zip_derived_cl292_142,plain,
    ( e21
    = ( op2 @ e23 @ e23 ) ),
    inference(cnf,[status(esa)],[ax13]) ).

thf(zip_derived_cl41031,plain,
    ( ( e21 != e21 )
   <= ( ( h4 @ ( op1 @ e13 @ e13 ) )
     != ( op2 @ ( h4 @ e13 ) @ ( h4 @ e13 ) ) ) ),
    inference(demod,[status(thm)],[zip_derived_cl17221,zip_derived_cl289,zip_derived_cl22747,zip_derived_cl309,zip_derived_cl309,zip_derived_cl292]) ).

thf('152',plain,
    ( ( h4 @ ( op1 @ e13 @ e13 ) )
    = ( op2 @ ( h4 @ e13 ) @ ( h4 @ e13 ) ) ),
    inference(simplify,[status(thm)],[zip_derived_cl41031]) ).

thf(zip_derived_cl17223,plain,
    ( ( ( h4 @ e13 )
     != e23 )
   <= ( ( h4 @ e13 )
     != e23 ) ),
    inference(split,[status(esa)],[zip_derived_cl1078]) ).

thf(zip_derived_cl309_143,plain,
    ( ( h4 @ e13 )
    = e23 ),
    inference(cnf,[status(esa)],[ax17]) ).

thf(zip_derived_cl24542,plain,
    ( ( e23 != e23 )
   <= ( ( h4 @ e13 )
     != e23 ) ),
    inference(demod,[status(thm)],[zip_derived_cl17223,zip_derived_cl309]) ).

thf('153',plain,
    ( ( h4 @ e13 )
    = e23 ),
    inference(simplify,[status(thm)],[zip_derived_cl24542]) ).

thf(zip_derived_cl27999_144,plain,
    ( ( op2 @ e23 @ e22 )
    = e20 ),
    inference(simpl_trail,[status(thm)],[zip_derived_cl1530,'93']) ).

thf(zip_derived_cl17220,plain,
    ( ( ( h4 @ ( op1 @ e13 @ e12 ) )
     != ( op2 @ ( h4 @ e13 ) @ ( h4 @ e12 ) ) )
   <= ( ( h4 @ ( op1 @ e13 @ e12 ) )
     != ( op2 @ ( h4 @ e13 ) @ ( h4 @ e12 ) ) ) ),
    inference(split,[status(esa)],[zip_derived_cl1078]) ).

thf(zip_derived_cl23843_145,plain,
    ( ( op1 @ e13 @ e12 )
    = e10 ),
    inference(simpl_trail,[status(thm)],[zip_derived_cl1428,'64']) ).

thf(zip_derived_cl308,plain,
    ( ( h4 @ e10 )
    = ( op2 @ ( op2 @ e23 @ e23 ) @ ( op2 @ e23 @ e23 ) ) ),
    inference(cnf,[status(esa)],[ax17]) ).

thf(zip_derived_cl292_146,plain,
    ( e21
    = ( op2 @ e23 @ e23 ) ),
    inference(cnf,[status(esa)],[ax13]) ).

thf(zip_derived_cl292_147,plain,
    ( e21
    = ( op2 @ e23 @ e23 ) ),
    inference(cnf,[status(esa)],[ax13]) ).

thf(zip_derived_cl22644_148,plain,
    ( e20
    = ( op2 @ e21 @ e21 ) ),
    inference(demod,[status(thm)],[zip_derived_cl293,zip_derived_cl292,zip_derived_cl292]) ).

thf(zip_derived_cl22757,plain,
    ( ( h4 @ e10 )
    = e20 ),
    inference(demod,[status(thm)],[zip_derived_cl308,zip_derived_cl292,zip_derived_cl292,zip_derived_cl22644]) ).

thf(zip_derived_cl309_149,plain,
    ( ( h4 @ e13 )
    = e23 ),
    inference(cnf,[status(esa)],[ax17]) ).

thf(zip_derived_cl306,plain,
    ( ( h4 @ e12 )
    = ( op2 @ e23 @ ( op2 @ ( op2 @ e23 @ e23 ) @ ( op2 @ e23 @ e23 ) ) ) ),
    inference(cnf,[status(esa)],[ax17]) ).

thf(zip_derived_cl292_150,plain,
    ( e21
    = ( op2 @ e23 @ e23 ) ),
    inference(cnf,[status(esa)],[ax13]) ).

thf(zip_derived_cl292_151,plain,
    ( e21
    = ( op2 @ e23 @ e23 ) ),
    inference(cnf,[status(esa)],[ax13]) ).

thf(zip_derived_cl22644_152,plain,
    ( e20
    = ( op2 @ e21 @ e21 ) ),
    inference(demod,[status(thm)],[zip_derived_cl293,zip_derived_cl292,zip_derived_cl292]) ).

thf(zip_derived_cl22736,plain,
    ( ( h4 @ e12 )
    = ( op2 @ e23 @ e20 ) ),
    inference(demod,[status(thm)],[zip_derived_cl306,zip_derived_cl292,zip_derived_cl292,zip_derived_cl22644]) ).

thf(zip_derived_cl27978_153,plain,
    ( e22
    = ( op2 @ e23 @ e20 ) ),
    inference(demod,[status(thm)],[zip_derived_cl22641,zip_derived_cl22644]) ).

thf(zip_derived_cl27983,plain,
    ( ( h4 @ e12 )
    = e22 ),
    inference(demod,[status(thm)],[zip_derived_cl22736,zip_derived_cl27978]) ).

thf(zip_derived_cl41030,plain,
    ( ( e20
     != ( op2 @ e23 @ e22 ) )
   <= ( ( h4 @ ( op1 @ e13 @ e12 ) )
     != ( op2 @ ( h4 @ e13 ) @ ( h4 @ e12 ) ) ) ),
    inference(demod,[status(thm)],[zip_derived_cl17220,zip_derived_cl23843,zip_derived_cl22757,zip_derived_cl309,zip_derived_cl27983]) ).

thf(zip_derived_cl46408,plain,
    ( ( e20 != e20 )
   <= ( ( h4 @ ( op1 @ e13 @ e12 ) )
     != ( op2 @ ( h4 @ e13 ) @ ( h4 @ e12 ) ) ) ),
    inference('s_sup-',[status(thm)],[zip_derived_cl27999,zip_derived_cl41030]) ).

thf('154',plain,
    ( ( h4 @ ( op1 @ e13 @ e12 ) )
    = ( op2 @ ( h4 @ e13 ) @ ( h4 @ e12 ) ) ),
    inference(simplify,[status(thm)],[zip_derived_cl46408]) ).

thf(zip_derived_cl17218,plain,
    ( ( ( h4 @ ( op1 @ e13 @ e10 ) )
     != ( op2 @ ( h4 @ e13 ) @ ( h4 @ e10 ) ) )
   <= ( ( h4 @ ( op1 @ e13 @ e10 ) )
     != ( op2 @ ( h4 @ e13 ) @ ( h4 @ e10 ) ) ) ),
    inference(split,[status(esa)],[zip_derived_cl1078]) ).

thf(zip_derived_cl23668_154,plain,
    ( ( op1 @ e13 @ e10 )
    = e12 ),
    inference(simpl_trail,[status(thm)],[zip_derived_cl1410,'116']) ).

thf(zip_derived_cl27983_155,plain,
    ( ( h4 @ e12 )
    = e22 ),
    inference(demod,[status(thm)],[zip_derived_cl22736,zip_derived_cl27978]) ).

thf(zip_derived_cl309_156,plain,
    ( ( h4 @ e13 )
    = e23 ),
    inference(cnf,[status(esa)],[ax17]) ).

thf(zip_derived_cl22757_157,plain,
    ( ( h4 @ e10 )
    = e20 ),
    inference(demod,[status(thm)],[zip_derived_cl308,zip_derived_cl292,zip_derived_cl292,zip_derived_cl22644]) ).

thf(zip_derived_cl27978_158,plain,
    ( e22
    = ( op2 @ e23 @ e20 ) ),
    inference(demod,[status(thm)],[zip_derived_cl22641,zip_derived_cl22644]) ).

thf(zip_derived_cl41026,plain,
    ( ( e22 != e22 )
   <= ( ( h4 @ ( op1 @ e13 @ e10 ) )
     != ( op2 @ ( h4 @ e13 ) @ ( h4 @ e10 ) ) ) ),
    inference(demod,[status(thm)],[zip_derived_cl17218,zip_derived_cl23668,zip_derived_cl27983,zip_derived_cl309,zip_derived_cl22757,zip_derived_cl27978]) ).

thf('155',plain,
    ( ( h4 @ ( op1 @ e13 @ e10 ) )
    = ( op2 @ ( h4 @ e13 ) @ ( h4 @ e10 ) ) ),
    inference(simplify,[status(thm)],[zip_derived_cl41026]) ).

thf(zip_derived_cl17210,plain,
    ( ( ( h4 @ ( op1 @ e11 @ e10 ) )
     != ( op2 @ ( h4 @ e11 ) @ ( h4 @ e10 ) ) )
   <= ( ( h4 @ ( op1 @ e11 @ e10 ) )
     != ( op2 @ ( h4 @ e11 ) @ ( h4 @ e10 ) ) ) ),
    inference(split,[status(esa)],[zip_derived_cl1078]) ).

thf(zip_derived_cl23309_159,plain,
    ( ( op1 @ e11 @ e10 )
    = e11 ),
    inference(simpl_trail,[status(thm)],[zip_derived_cl1379,'35']) ).

thf(zip_derived_cl22747_160,plain,
    ( ( h4 @ e11 )
    = e21 ),
    inference(demod,[status(thm)],[zip_derived_cl307,zip_derived_cl292]) ).

thf(zip_derived_cl22747_161,plain,
    ( ( h4 @ e11 )
    = e21 ),
    inference(demod,[status(thm)],[zip_derived_cl307,zip_derived_cl292]) ).

thf(zip_derived_cl22757_162,plain,
    ( ( h4 @ e10 )
    = e20 ),
    inference(demod,[status(thm)],[zip_derived_cl308,zip_derived_cl292,zip_derived_cl292,zip_derived_cl22644]) ).

thf(zip_derived_cl59,plain,
    ( ( ( op2 @ e21 @ e20 )
      = e23 )
    | ( ( op2 @ e21 @ e20 )
      = e22 )
    | ( ( op2 @ e21 @ e20 )
      = e21 )
    | ( ( op2 @ e21 @ e20 )
      = e20 ) ),
    inference(cnf,[status(esa)],[ax3]) ).

thf(zip_derived_cl1571,plain,
    ( ( ( op2 @ e21 @ e20 )
      = e21 )
   <= ( ( op2 @ e21 @ e20 )
      = e21 ) ),
    inference(split,[status(esa)],[zip_derived_cl59]) ).

thf(zip_derived_cl58,plain,
    ( ( ( op2 @ e21 @ e21 )
      = e23 )
    | ( ( op2 @ e21 @ e21 )
      = e22 )
    | ( ( op2 @ e21 @ e21 )
      = e21 )
    | ( ( op2 @ e21 @ e21 )
      = e20 ) ),
    inference(cnf,[status(esa)],[ax3]) ).

thf(zip_derived_cl1568,plain,
    ( ( ( op2 @ e21 @ e21 )
      = e22 )
   <= ( ( op2 @ e21 @ e21 )
      = e22 ) ),
    inference(split,[status(esa)],[zip_derived_cl58]) ).

thf(zip_derived_cl22644_163,plain,
    ( e20
    = ( op2 @ e21 @ e21 ) ),
    inference(demod,[status(thm)],[zip_derived_cl293,zip_derived_cl292,zip_derived_cl292]) ).

thf(zip_derived_cl25126,plain,
    ( ( e20 = e22 )
   <= ( ( op2 @ e21 @ e21 )
      = e22 ) ),
    inference(demod,[status(thm)],[zip_derived_cl1568,zip_derived_cl22644]) ).

thf(zip_derived_cl202_164,plain,
    e20 != e22,
    inference(cnf,[status(esa)],[ax8]) ).

thf('156',plain,
    ( ( op2 @ e21 @ e21 )
   != e22 ),
    inference('simplify_reflect-',[status(thm)],[zip_derived_cl25126,zip_derived_cl202]) ).

thf(zip_derived_cl1567,plain,
    ( ( ( op2 @ e21 @ e21 )
      = e21 )
   <= ( ( op2 @ e21 @ e21 )
      = e21 ) ),
    inference(split,[status(esa)],[zip_derived_cl58]) ).

thf(zip_derived_cl22644_165,plain,
    ( e20
    = ( op2 @ e21 @ e21 ) ),
    inference(demod,[status(thm)],[zip_derived_cl293,zip_derived_cl292,zip_derived_cl292]) ).

thf(zip_derived_cl25112,plain,
    ( ( e20 = e21 )
   <= ( ( op2 @ e21 @ e21 )
      = e21 ) ),
    inference(demod,[status(thm)],[zip_derived_cl1567,zip_derived_cl22644]) ).

thf(zip_derived_cl203_166,plain,
    e20 != e21,
    inference(cnf,[status(esa)],[ax8]) ).

thf('157',plain,
    ( ( op2 @ e21 @ e21 )
   != e21 ),
    inference('simplify_reflect-',[status(thm)],[zip_derived_cl25112,zip_derived_cl203]) ).

thf(zip_derived_cl1569,plain,
    ( ( ( op2 @ e21 @ e21 )
      = e23 )
   <= ( ( op2 @ e21 @ e21 )
      = e23 ) ),
    inference(split,[status(esa)],[zip_derived_cl58]) ).

thf(zip_derived_cl22644_167,plain,
    ( e20
    = ( op2 @ e21 @ e21 ) ),
    inference(demod,[status(thm)],[zip_derived_cl293,zip_derived_cl292,zip_derived_cl292]) ).

thf(zip_derived_cl25142,plain,
    ( ( e20 = e23 )
   <= ( ( op2 @ e21 @ e21 )
      = e23 ) ),
    inference(demod,[status(thm)],[zip_derived_cl1569,zip_derived_cl22644]) ).

thf(zip_derived_cl201_168,plain,
    e20 != e23,
    inference(cnf,[status(esa)],[ax8]) ).

thf('158',plain,
    ( ( op2 @ e21 @ e21 )
   != e23 ),
    inference('simplify_reflect-',[status(thm)],[zip_derived_cl25142,zip_derived_cl201]) ).

thf('159',plain,
    ( ( ( op2 @ e21 @ e21 )
      = e20 )
    | ( ( op2 @ e21 @ e21 )
      = e23 )
    | ( ( op2 @ e21 @ e21 )
      = e21 )
    | ( ( op2 @ e21 @ e21 )
      = e22 ) ),
    inference(split,[status(esa)],[zip_derived_cl58]) ).

thf(zip_derived_cl281,plain,
    ( ( ( op2 @ e21 @ e20 )
      = e21 )
    | ( ( op2 @ e21 @ e21 )
     != e20 ) ),
    inference(cnf,[status(esa)],[zf_stmt_17]) ).

thf('160',plain,
    ( ( ( op2 @ e21 @ e20 )
      = e21 )
    | ( ( op2 @ e21 @ e21 )
     != e20 ) ),
    inference(split,[status(esa)],[zip_derived_cl281]) ).

thf('161',plain,
    ( ( op2 @ e21 @ e20 )
    = e21 ),
    inference('sat_resolution*',[status(thm)],['156','157','158','159','160']) ).

thf(zip_derived_cl25165,plain,
    ( ( op2 @ e21 @ e20 )
    = e21 ),
    inference(simpl_trail,[status(thm)],[zip_derived_cl1571,'161']) ).

thf(zip_derived_cl40997,plain,
    ( ( e21 != e21 )
   <= ( ( h4 @ ( op1 @ e11 @ e10 ) )
     != ( op2 @ ( h4 @ e11 ) @ ( h4 @ e10 ) ) ) ),
    inference(demod,[status(thm)],[zip_derived_cl17210,zip_derived_cl23309,zip_derived_cl22747,zip_derived_cl22747,zip_derived_cl22757,zip_derived_cl25165]) ).

thf('162',plain,
    ( ( h4 @ ( op1 @ e11 @ e10 ) )
    = ( op2 @ ( h4 @ e11 ) @ ( h4 @ e10 ) ) ),
    inference(simplify,[status(thm)],[zip_derived_cl40997]) ).

thf(zip_derived_cl67,plain,
    ( ( ( op2 @ e23 @ e23 )
      = e22 )
    | ( ( op2 @ e23 @ e22 )
      = e22 )
    | ( ( op2 @ e23 @ e21 )
      = e22 )
    | ( ( op2 @ e23 @ e20 )
      = e22 ) ),
    inference(cnf,[status(esa)],[ax4]) ).

thf('163',plain,
    ( ( ( op2 @ e23 @ e20 )
      = e22 )
    | ( ( op2 @ e23 @ e22 )
      = e22 )
    | ( ( op2 @ e23 @ e23 )
      = e22 )
    | ( ( op2 @ e23 @ e21 )
      = e22 ) ),
    inference(split,[status(esa)],[zip_derived_cl67]) ).

thf(zip_derived_cl1540_169,plain,
    ( ( ( op2 @ e23 @ e20 )
      = e22 )
   <= ( ( op2 @ e23 @ e20 )
      = e22 ) ),
    inference(split,[status(esa)],[zip_derived_cl51]) ).

thf(zip_derived_cl1110,plain,
    ( ( ( h4 @ e13 )
     != e23 )
    | ( ( h4 @ e12 )
     != e22 )
    | ( ( h4 @ e13 )
     != e21 )
    | ( ( h4 @ e10 )
     != e20 )
    | ( ( h4 @ ( op1 @ e13 @ e13 ) )
     != ( op2 @ ( h4 @ e13 ) @ ( h4 @ e13 ) ) )
    | ( ( h4 @ ( op1 @ e13 @ e12 ) )
     != ( op2 @ ( h4 @ e13 ) @ ( h4 @ e12 ) ) )
    | ( ( h4 @ ( op1 @ e13 @ e11 ) )
     != ( op2 @ ( h4 @ e13 ) @ ( h4 @ e11 ) ) )
    | ( ( h4 @ ( op1 @ e13 @ e10 ) )
     != ( op2 @ ( h4 @ e13 ) @ ( h4 @ e10 ) ) )
    | ( ( h4 @ ( op1 @ e12 @ e13 ) )
     != ( op2 @ ( h4 @ e12 ) @ ( h4 @ e13 ) ) )
    | ( ( h4 @ ( op1 @ e12 @ e12 ) )
     != ( op2 @ ( h4 @ e12 ) @ ( h4 @ e12 ) ) )
    | ( ( h4 @ ( op1 @ e12 @ e11 ) )
     != ( op2 @ ( h4 @ e12 ) @ ( h4 @ e11 ) ) )
    | ( ( h4 @ ( op1 @ e12 @ e10 ) )
     != ( op2 @ ( h4 @ e12 ) @ ( h4 @ e10 ) ) )
    | ( ( h4 @ ( op1 @ e11 @ e13 ) )
     != ( op2 @ ( h4 @ e11 ) @ ( h4 @ e13 ) ) )
    | ( ( h4 @ ( op1 @ e11 @ e12 ) )
     != ( op2 @ ( h4 @ e11 ) @ ( h4 @ e12 ) ) )
    | ( ( h4 @ ( op1 @ e11 @ e11 ) )
     != ( op2 @ ( h4 @ e11 ) @ ( h4 @ e11 ) ) )
    | ( ( h4 @ ( op1 @ e11 @ e10 ) )
     != ( op2 @ ( h4 @ e11 ) @ ( h4 @ e10 ) ) )
    | ( ( h4 @ ( op1 @ e10 @ e13 ) )
     != ( op2 @ ( h4 @ e10 ) @ ( h4 @ e13 ) ) )
    | ( ( h4 @ ( op1 @ e10 @ e12 ) )
     != ( op2 @ ( h4 @ e10 ) @ ( h4 @ e12 ) ) )
    | ( ( h4 @ ( op1 @ e10 @ e11 ) )
     != ( op2 @ ( h4 @ e10 ) @ ( h4 @ e11 ) ) )
    | ( ( h4 @ ( op1 @ e10 @ e10 ) )
     != ( op2 @ ( h4 @ e10 ) @ ( h4 @ e10 ) ) ) ),
    inference(cnf,[status(esa)],[zf_stmt_18]) ).

thf(zip_derived_cl17865,plain,
    ( ( ( h4 @ e12 )
     != e22 )
   <= ( ( h4 @ e12 )
     != e22 ) ),
    inference(split,[status(esa)],[zip_derived_cl1110]) ).

thf(zip_derived_cl22736_170,plain,
    ( ( h4 @ e12 )
    = ( op2 @ e23 @ e20 ) ),
    inference(demod,[status(thm)],[zip_derived_cl306,zip_derived_cl292,zip_derived_cl292,zip_derived_cl22644]) ).

thf(zip_derived_cl24888,plain,
    ( ( ( op2 @ e23 @ e20 )
     != e22 )
   <= ( ( h4 @ e12 )
     != e22 ) ),
    inference(demod,[status(thm)],[zip_derived_cl17865,zip_derived_cl22736]) ).

thf(zip_derived_cl24891,plain,
    ( ( e22 != e22 )
   <= ( ( ( h4 @ e12 )
       != e22 )
      & ( ( op2 @ e23 @ e20 )
        = e22 ) ) ),
    inference('s_sup-',[status(thm)],[zip_derived_cl1540,zip_derived_cl24888]) ).

thf('164',plain,
    ( ( ( h4 @ e12 )
      = e22 )
    | ( ( op2 @ e23 @ e20 )
     != e22 ) ),
    inference(simplify,[status(thm)],[zip_derived_cl24891]) ).

thf(zip_derived_cl17219,plain,
    ( ( ( h4 @ ( op1 @ e13 @ e11 ) )
     != ( op2 @ ( h4 @ e13 ) @ ( h4 @ e11 ) ) )
   <= ( ( h4 @ ( op1 @ e13 @ e11 ) )
     != ( op2 @ ( h4 @ e13 ) @ ( h4 @ e11 ) ) ) ),
    inference(split,[status(esa)],[zip_derived_cl1078]) ).

thf(zip_derived_cl22905_171,plain,
    ( ( op1 @ e13 @ e11 )
    = e13 ),
    inference(simpl_trail,[status(thm)],[zip_derived_cl1345,'19']) ).

thf(zip_derived_cl309_172,plain,
    ( ( h4 @ e13 )
    = e23 ),
    inference(cnf,[status(esa)],[ax17]) ).

thf(zip_derived_cl309_173,plain,
    ( ( h4 @ e13 )
    = e23 ),
    inference(cnf,[status(esa)],[ax17]) ).

thf(zip_derived_cl22747_174,plain,
    ( ( h4 @ e11 )
    = e21 ),
    inference(demod,[status(thm)],[zip_derived_cl307,zip_derived_cl292]) ).

thf(zip_derived_cl24569_175,plain,
    ( ( op2 @ e23 @ e21 )
    = e23 ),
    inference(simpl_trail,[status(thm)],[zip_derived_cl1537,'83']) ).

thf(zip_derived_cl41028,plain,
    ( ( e23 != e23 )
   <= ( ( h4 @ ( op1 @ e13 @ e11 ) )
     != ( op2 @ ( h4 @ e13 ) @ ( h4 @ e11 ) ) ) ),
    inference(demod,[status(thm)],[zip_derived_cl17219,zip_derived_cl22905,zip_derived_cl309,zip_derived_cl309,zip_derived_cl22747,zip_derived_cl24569]) ).

thf('165',plain,
    ( ( h4 @ ( op1 @ e13 @ e11 ) )
    = ( op2 @ ( h4 @ e13 ) @ ( h4 @ e11 ) ) ),
    inference(simplify,[status(thm)],[zip_derived_cl41028]) ).

thf(zip_derived_cl17224,plain,
    ( ( ( h4 @ e10 )
     != e20 )
   <= ( ( h4 @ e10 )
     != e20 ) ),
    inference(split,[status(esa)],[zip_derived_cl1078]) ).

thf(zip_derived_cl22757_176,plain,
    ( ( h4 @ e10 )
    = e20 ),
    inference(demod,[status(thm)],[zip_derived_cl308,zip_derived_cl292,zip_derived_cl292,zip_derived_cl22644]) ).

thf(zip_derived_cl24544,plain,
    ( ( e20 != e20 )
   <= ( ( h4 @ e10 )
     != e20 ) ),
    inference(demod,[status(thm)],[zip_derived_cl17224,zip_derived_cl22757]) ).

thf('166',plain,
    ( ( h4 @ e10 )
    = e20 ),
    inference(simplify,[status(thm)],[zip_derived_cl24544]) ).

thf(zip_derived_cl17211,plain,
    ( ( ( h4 @ ( op1 @ e11 @ e11 ) )
     != ( op2 @ ( h4 @ e11 ) @ ( h4 @ e11 ) ) )
   <= ( ( h4 @ ( op1 @ e11 @ e11 ) )
     != ( op2 @ ( h4 @ e11 ) @ ( h4 @ e11 ) ) ) ),
    inference(split,[status(esa)],[zip_derived_cl1078]) ).

thf(zip_derived_cl22621_177,plain,
    ( e10
    = ( op1 @ e11 @ e11 ) ),
    inference(demod,[status(thm)],[zip_derived_cl290,zip_derived_cl289,zip_derived_cl289]) ).

thf(zip_derived_cl22757_178,plain,
    ( ( h4 @ e10 )
    = e20 ),
    inference(demod,[status(thm)],[zip_derived_cl308,zip_derived_cl292,zip_derived_cl292,zip_derived_cl22644]) ).

thf(zip_derived_cl22747_179,plain,
    ( ( h4 @ e11 )
    = e21 ),
    inference(demod,[status(thm)],[zip_derived_cl307,zip_derived_cl292]) ).

thf(zip_derived_cl22747_180,plain,
    ( ( h4 @ e11 )
    = e21 ),
    inference(demod,[status(thm)],[zip_derived_cl307,zip_derived_cl292]) ).

thf(zip_derived_cl22644_181,plain,
    ( e20
    = ( op2 @ e21 @ e21 ) ),
    inference(demod,[status(thm)],[zip_derived_cl293,zip_derived_cl292,zip_derived_cl292]) ).

thf(zip_derived_cl40999,plain,
    ( ( e20 != e20 )
   <= ( ( h4 @ ( op1 @ e11 @ e11 ) )
     != ( op2 @ ( h4 @ e11 ) @ ( h4 @ e11 ) ) ) ),
    inference(demod,[status(thm)],[zip_derived_cl17211,zip_derived_cl22621,zip_derived_cl22757,zip_derived_cl22747,zip_derived_cl22747,zip_derived_cl22644]) ).

thf('167',plain,
    ( ( h4 @ ( op1 @ e11 @ e11 ) )
    = ( op2 @ ( h4 @ e11 ) @ ( h4 @ e11 ) ) ),
    inference(simplify,[status(thm)],[zip_derived_cl40999]) ).

thf(zip_derived_cl60,plain,
    ( ( ( op2 @ e20 @ e23 )
      = e23 )
    | ( ( op2 @ e20 @ e23 )
      = e22 )
    | ( ( op2 @ e20 @ e23 )
      = e21 )
    | ( ( op2 @ e20 @ e23 )
      = e20 ) ),
    inference(cnf,[status(esa)],[ax3]) ).

thf(zip_derived_cl1577,plain,
    ( ( ( op2 @ e20 @ e23 )
      = e23 )
   <= ( ( op2 @ e20 @ e23 )
      = e23 ) ),
    inference(split,[status(esa)],[zip_derived_cl60]) ).

thf(zip_derived_cl1385_182,plain,
    ( ( ( op1 @ e10 @ e13 )
      = e13 )
   <= ( ( op1 @ e10 @ e13 )
      = e13 ) ),
    inference(split,[status(esa)],[zip_derived_cl12]) ).

thf(zip_derived_cl17209,plain,
    ( ( ( h4 @ ( op1 @ e10 @ e13 ) )
     != ( op2 @ ( h4 @ e10 ) @ ( h4 @ e13 ) ) )
   <= ( ( h4 @ ( op1 @ e10 @ e13 ) )
     != ( op2 @ ( h4 @ e10 ) @ ( h4 @ e13 ) ) ) ),
    inference(split,[status(esa)],[zip_derived_cl1078]) ).

thf(zip_derived_cl22757_183,plain,
    ( ( h4 @ e10 )
    = e20 ),
    inference(demod,[status(thm)],[zip_derived_cl308,zip_derived_cl292,zip_derived_cl292,zip_derived_cl22644]) ).

thf(zip_derived_cl309_184,plain,
    ( ( h4 @ e13 )
    = e23 ),
    inference(cnf,[status(esa)],[ax17]) ).

thf(zip_derived_cl40992,plain,
    ( ( ( h4 @ ( op1 @ e10 @ e13 ) )
     != ( op2 @ e20 @ e23 ) )
   <= ( ( h4 @ ( op1 @ e10 @ e13 ) )
     != ( op2 @ ( h4 @ e10 ) @ ( h4 @ e13 ) ) ) ),
    inference(demod,[status(thm)],[zip_derived_cl17209,zip_derived_cl22757,zip_derived_cl309]) ).

thf(zip_derived_cl40994,plain,
    ( ( ( h4 @ e13 )
     != ( op2 @ e20 @ e23 ) )
   <= ( ( ( h4 @ ( op1 @ e10 @ e13 ) )
       != ( op2 @ ( h4 @ e10 ) @ ( h4 @ e13 ) ) )
      & ( ( op1 @ e10 @ e13 )
        = e13 ) ) ),
    inference('s_sup-',[status(thm)],[zip_derived_cl1385,zip_derived_cl40992]) ).

thf(zip_derived_cl309_185,plain,
    ( ( h4 @ e13 )
    = e23 ),
    inference(cnf,[status(esa)],[ax17]) ).

thf(zip_derived_cl40996,plain,
    ( ( e23
     != ( op2 @ e20 @ e23 ) )
   <= ( ( ( h4 @ ( op1 @ e10 @ e13 ) )
       != ( op2 @ ( h4 @ e10 ) @ ( h4 @ e13 ) ) )
      & ( ( op1 @ e10 @ e13 )
        = e13 ) ) ),
    inference(demod,[status(thm)],[zip_derived_cl40994,zip_derived_cl309]) ).

thf(zip_derived_cl41016,plain,
    ( ( e23 != e23 )
   <= ( ( ( h4 @ ( op1 @ e10 @ e13 ) )
       != ( op2 @ ( h4 @ e10 ) @ ( h4 @ e13 ) ) )
      & ( ( op1 @ e10 @ e13 )
        = e13 )
      & ( ( op2 @ e20 @ e23 )
        = e23 ) ) ),
    inference('s_sup-',[status(thm)],[zip_derived_cl1577,zip_derived_cl40996]) ).

thf('168',plain,
    ( ( ( h4 @ ( op1 @ e10 @ e13 ) )
      = ( op2 @ ( h4 @ e10 ) @ ( h4 @ e13 ) ) )
    | ( ( op1 @ e10 @ e13 )
     != e13 )
    | ( ( op2 @ e20 @ e23 )
     != e23 ) ),
    inference(simplify,[status(thm)],[zip_derived_cl41016]) ).

thf(zip_derived_cl1565_186,plain,
    ( ( ( op2 @ e21 @ e22 )
      = e23 )
   <= ( ( op2 @ e21 @ e22 )
      = e23 ) ),
    inference(split,[status(esa)],[zip_derived_cl57]) ).

thf(zip_derived_cl1373_187,plain,
    ( ( ( op1 @ e11 @ e12 )
      = e13 )
   <= ( ( op1 @ e11 @ e12 )
      = e13 ) ),
    inference(split,[status(esa)],[zip_derived_cl9]) ).

thf('169',plain,
    ( ( ( op1 @ e12 @ e10 )
     != e10 )
    | ( ( op1 @ e12 @ e10 )
     != e13 ) ),
    inference('simplify_reflect-',[status(thm)],[zip_derived_cl23171,zip_derived_cl195]) ).

thf('170',plain,
    ( ( ( op1 @ e12 @ e10 )
     != e10 )
    | ( ( op1 @ e12 @ e10 )
     != e11 ) ),
    inference('simplify_reflect-',[status(thm)],[zip_derived_cl23148,zip_derived_cl197]) ).

thf('171',plain,
    ( ( ( op1 @ e10 @ e13 )
      = e13 )
    | ( ( op1 @ e12 @ e13 )
      = e13 )
    | ( ( op1 @ e13 @ e13 )
      = e13 )
    | ( ( op1 @ e11 @ e13 )
      = e13 ) ),
    inference(split,[status(esa)],[zip_derived_cl16]) ).

thf('172',plain,
    ( ( ( op1 @ e12 @ e13 )
     != e13 )
    | ( ( op1 @ e12 @ e10 )
     != e13 ) ),
    inference(simplify,[status(thm)],[zip_derived_cl26315]) ).

thf(zip_derived_cl253,plain,
    ( zip_tseitin_3
    | zip_tseitin_2
    | zip_tseitin_1
    | zip_tseitin_0 ),
    inference(cnf,[status(esa)],[zf_stmt_8]) ).

thf('173',plain,
    ( zip_tseitin_3
    | zip_tseitin_1
    | zip_tseitin_0
    | zip_tseitin_2 ),
    inference(split,[status(esa)],[zip_derived_cl253]) ).

thf('174',plain,
    ( ( op1 @ e11 @ e12 )
    = e13 ),
    inference('sat_resolution*',[status(thm)],['169','100','170','102','103','104','105','106','107','108','109','110','111','112','32','113','114','115','117','171','119','8','9','10','11','12','136','137','23','24','138','26','139','28','39','40','41','42','144','45','46','145','146','51','52','53','54','55','56','62','58','60','130','120','172','121','122','30','36','61','14','44','63','15','57','37','38','59','123','124','29','135','20','50','16','31','125','147','126','173','127','128','129']) ).

thf(zip_derived_cl28208,plain,
    ( ( op1 @ e11 @ e12 )
    = e13 ),
    inference(simpl_trail,[status(thm)],[zip_derived_cl1373,'174']) ).

thf(zip_derived_cl17212,plain,
    ( ( ( h4 @ ( op1 @ e11 @ e12 ) )
     != ( op2 @ ( h4 @ e11 ) @ ( h4 @ e12 ) ) )
   <= ( ( h4 @ ( op1 @ e11 @ e12 ) )
     != ( op2 @ ( h4 @ e11 ) @ ( h4 @ e12 ) ) ) ),
    inference(split,[status(esa)],[zip_derived_cl1078]) ).

thf(zip_derived_cl22747_188,plain,
    ( ( h4 @ e11 )
    = e21 ),
    inference(demod,[status(thm)],[zip_derived_cl307,zip_derived_cl292]) ).

thf(zip_derived_cl27983_189,plain,
    ( ( h4 @ e12 )
    = e22 ),
    inference(demod,[status(thm)],[zip_derived_cl22736,zip_derived_cl27978]) ).

thf(zip_derived_cl41005,plain,
    ( ( ( h4 @ ( op1 @ e11 @ e12 ) )
     != ( op2 @ e21 @ e22 ) )
   <= ( ( h4 @ ( op1 @ e11 @ e12 ) )
     != ( op2 @ ( h4 @ e11 ) @ ( h4 @ e12 ) ) ) ),
    inference(demod,[status(thm)],[zip_derived_cl17212,zip_derived_cl22747,zip_derived_cl27983]) ).

thf(zip_derived_cl46514,plain,
    ( ( ( h4 @ e13 )
     != ( op2 @ e21 @ e22 ) )
   <= ( ( h4 @ ( op1 @ e11 @ e12 ) )
     != ( op2 @ ( h4 @ e11 ) @ ( h4 @ e12 ) ) ) ),
    inference('s_sup-',[status(thm)],[zip_derived_cl28208,zip_derived_cl41005]) ).

thf(zip_derived_cl309_190,plain,
    ( ( h4 @ e13 )
    = e23 ),
    inference(cnf,[status(esa)],[ax17]) ).

thf(zip_derived_cl46522,plain,
    ( ( e23
     != ( op2 @ e21 @ e22 ) )
   <= ( ( h4 @ ( op1 @ e11 @ e12 ) )
     != ( op2 @ ( h4 @ e11 ) @ ( h4 @ e12 ) ) ) ),
    inference(demod,[status(thm)],[zip_derived_cl46514,zip_derived_cl309]) ).

thf(zip_derived_cl46527,plain,
    ( ( e23 != e23 )
   <= ( ( ( h4 @ ( op1 @ e11 @ e12 ) )
       != ( op2 @ ( h4 @ e11 ) @ ( h4 @ e12 ) ) )
      & ( ( op2 @ e21 @ e22 )
        = e23 ) ) ),
    inference('s_sup-',[status(thm)],[zip_derived_cl1565,zip_derived_cl46522]) ).

thf('175',plain,
    ( ( ( h4 @ ( op1 @ e11 @ e12 ) )
      = ( op2 @ ( h4 @ e11 ) @ ( h4 @ e12 ) ) )
    | ( ( op2 @ e21 @ e22 )
     != e23 ) ),
    inference(simplify,[status(thm)],[zip_derived_cl46527]) ).

thf(zip_derived_cl56,plain,
    ( ( ( op2 @ e21 @ e23 )
      = e23 )
    | ( ( op2 @ e21 @ e23 )
      = e22 )
    | ( ( op2 @ e21 @ e23 )
      = e21 )
    | ( ( op2 @ e21 @ e23 )
      = e20 ) ),
    inference(cnf,[status(esa)],[ax3]) ).

thf(zip_derived_cl1560,plain,
    ( ( ( op2 @ e21 @ e23 )
      = e22 )
   <= ( ( op2 @ e21 @ e23 )
      = e22 ) ),
    inference(split,[status(esa)],[zip_derived_cl56]) ).

thf(zip_derived_cl1368,plain,
    ( ( ( op1 @ e11 @ e13 )
      = e12 )
   <= ( ( op1 @ e11 @ e13 )
      = e12 ) ),
    inference(split,[status(esa)],[zip_derived_cl8]) ).

thf(zip_derived_cl35,plain,
    ( ( ( op1 @ e11 @ e13 )
      = e12 )
    | ( ( op1 @ e11 @ e12 )
      = e12 )
    | ( ( op1 @ e11 @ e11 )
      = e12 )
    | ( ( op1 @ e11 @ e10 )
      = e12 ) ),
    inference(cnf,[status(esa)],[ax2]) ).

thf('176',plain,
    ( ( ( op1 @ e11 @ e13 )
      = e12 )
    | ( ( op1 @ e11 @ e12 )
      = e12 )
    | ( ( op1 @ e11 @ e10 )
      = e12 )
    | ( ( op1 @ e11 @ e11 )
      = e12 ) ),
    inference(split,[status(esa)],[zip_derived_cl35]) ).

thf('177',plain,
    ( ( op1 @ e11 @ e13 )
    = e12 ),
    inference('sat_resolution*',[status(thm)],['169','100','170','102','103','104','105','106','107','108','109','129','110','111','112','32','113','114','115','117','171','119','8','9','10','11','12','136','137','23','24','138','26','139','28','39','40','41','42','144','45','46','145','146','51','52','53','54','55','56','62','58','60','130','120','172','121','122','30','36','61','14','44','63','15','57','37','38','59','123','124','29','135','20','50','16','31','125','147','126','173','127','128','176']) ).

thf(zip_derived_cl28207,plain,
    ( ( op1 @ e11 @ e13 )
    = e12 ),
    inference(simpl_trail,[status(thm)],[zip_derived_cl1368,'177']) ).

thf(zip_derived_cl17213,plain,
    ( ( ( h4 @ ( op1 @ e11 @ e13 ) )
     != ( op2 @ ( h4 @ e11 ) @ ( h4 @ e13 ) ) )
   <= ( ( h4 @ ( op1 @ e11 @ e13 ) )
     != ( op2 @ ( h4 @ e11 ) @ ( h4 @ e13 ) ) ) ),
    inference(split,[status(esa)],[zip_derived_cl1078]) ).

thf(zip_derived_cl22747_191,plain,
    ( ( h4 @ e11 )
    = e21 ),
    inference(demod,[status(thm)],[zip_derived_cl307,zip_derived_cl292]) ).

thf(zip_derived_cl309_192,plain,
    ( ( h4 @ e13 )
    = e23 ),
    inference(cnf,[status(esa)],[ax17]) ).

thf(zip_derived_cl41006,plain,
    ( ( ( h4 @ ( op1 @ e11 @ e13 ) )
     != ( op2 @ e21 @ e23 ) )
   <= ( ( h4 @ ( op1 @ e11 @ e13 ) )
     != ( op2 @ ( h4 @ e11 ) @ ( h4 @ e13 ) ) ) ),
    inference(demod,[status(thm)],[zip_derived_cl17213,zip_derived_cl22747,zip_derived_cl309]) ).

thf(zip_derived_cl46494,plain,
    ( ( ( h4 @ e12 )
     != ( op2 @ e21 @ e23 ) )
   <= ( ( h4 @ ( op1 @ e11 @ e13 ) )
     != ( op2 @ ( h4 @ e11 ) @ ( h4 @ e13 ) ) ) ),
    inference('s_sup-',[status(thm)],[zip_derived_cl28207,zip_derived_cl41006]) ).

thf(zip_derived_cl27983_193,plain,
    ( ( h4 @ e12 )
    = e22 ),
    inference(demod,[status(thm)],[zip_derived_cl22736,zip_derived_cl27978]) ).

thf(zip_derived_cl46496,plain,
    ( ( e22
     != ( op2 @ e21 @ e23 ) )
   <= ( ( h4 @ ( op1 @ e11 @ e13 ) )
     != ( op2 @ ( h4 @ e11 ) @ ( h4 @ e13 ) ) ) ),
    inference(demod,[status(thm)],[zip_derived_cl46494,zip_derived_cl27983]) ).

thf(zip_derived_cl46523,plain,
    ( ( e22 != e22 )
   <= ( ( ( h4 @ ( op1 @ e11 @ e13 ) )
       != ( op2 @ ( h4 @ e11 ) @ ( h4 @ e13 ) ) )
      & ( ( op2 @ e21 @ e23 )
        = e22 ) ) ),
    inference('s_sup-',[status(thm)],[zip_derived_cl1560,zip_derived_cl46496]) ).

thf('178',plain,
    ( ( ( h4 @ ( op1 @ e11 @ e13 ) )
      = ( op2 @ ( h4 @ e11 ) @ ( h4 @ e13 ) ) )
    | ( ( op2 @ e21 @ e23 )
     != e22 ) ),
    inference(simplify,[status(thm)],[zip_derived_cl46523]) ).

thf(zip_derived_cl62,plain,
    ( ( ( op2 @ e20 @ e21 )
      = e23 )
    | ( ( op2 @ e20 @ e21 )
      = e22 )
    | ( ( op2 @ e20 @ e21 )
      = e21 )
    | ( ( op2 @ e20 @ e21 )
      = e20 ) ),
    inference(cnf,[status(esa)],[ax3]) ).

thf(zip_derived_cl1584,plain,
    ( ( ( op2 @ e20 @ e21 )
      = e22 )
   <= ( ( op2 @ e20 @ e21 )
      = e22 ) ),
    inference(split,[status(esa)],[zip_derived_cl62]) ).

thf(zip_derived_cl1392_194,plain,
    ( ( ( op1 @ e10 @ e11 )
      = e12 )
   <= ( ( op1 @ e10 @ e11 )
      = e12 ) ),
    inference(split,[status(esa)],[zip_derived_cl14]) ).

thf(zip_derived_cl1360_195,plain,
    ( ( ( op1 @ e12 @ e11 )
      = e12 )
   <= ( ( op1 @ e12 @ e11 )
      = e12 ) ),
    inference(split,[status(esa)],[zip_derived_cl6]) ).

thf(zip_derived_cl1356_196,plain,
    ( ( ( op1 @ e12 @ e12 )
      = e12 )
   <= ( ( op1 @ e12 @ e12 )
      = e12 ) ),
    inference(split,[status(esa)],[zip_derived_cl5]) ).

thf(zip_derived_cl104_197,plain,
    ( ( op1 @ e12 @ e11 )
   != ( op1 @ e12 @ e12 ) ),
    inference(cnf,[status(esa)],[ax5]) ).

thf(zip_derived_cl23061,plain,
    ( ( ( op1 @ e12 @ e11 )
     != e12 )
   <= ( ( op1 @ e12 @ e12 )
      = e12 ) ),
    inference('s_sup-',[status(thm)],[zip_derived_cl1356,zip_derived_cl104]) ).

thf(zip_derived_cl26350,plain,
    ( ( e12 != e12 )
   <= ( ( ( op1 @ e12 @ e12 )
        = e12 )
      & ( ( op1 @ e12 @ e11 )
        = e12 ) ) ),
    inference('s_sup-',[status(thm)],[zip_derived_cl1360,zip_derived_cl23061]) ).

thf('179',plain,
    ( ( ( op1 @ e12 @ e11 )
     != e12 )
    | ( ( op1 @ e12 @ e12 )
     != e12 ) ),
    inference(simplify,[status(thm)],[zip_derived_cl26350]) ).

thf('180',plain,
    ( ( op1 @ e10 @ e11 )
    = e12 ),
    inference('sat_resolution*',[status(thm)],['169','100','170','102','103','104','105','106','107','108','109','129','110','111','112','32','113','114','115','117','171','119','8','9','10','11','12','136','23','24','138','26','139','28','39','40','41','42','144','45','46','145','146','51','52','53','54','55','56','62','58','60','130','120','172','121','122','30','36','61','14','44','63','15','57','37','38','59','123','124','29','135','20','50','16','31','125','147','126','173','127','179','137']) ).

thf(zip_derived_cl28210,plain,
    ( ( op1 @ e10 @ e11 )
    = e12 ),
    inference(simpl_trail,[status(thm)],[zip_derived_cl1392,'180']) ).

thf(zip_derived_cl17207,plain,
    ( ( ( h4 @ ( op1 @ e10 @ e11 ) )
     != ( op2 @ ( h4 @ e10 ) @ ( h4 @ e11 ) ) )
   <= ( ( h4 @ ( op1 @ e10 @ e11 ) )
     != ( op2 @ ( h4 @ e10 ) @ ( h4 @ e11 ) ) ) ),
    inference(split,[status(esa)],[zip_derived_cl1078]) ).

thf(zip_derived_cl22757_198,plain,
    ( ( h4 @ e10 )
    = e20 ),
    inference(demod,[status(thm)],[zip_derived_cl308,zip_derived_cl292,zip_derived_cl292,zip_derived_cl22644]) ).

thf(zip_derived_cl22747_199,plain,
    ( ( h4 @ e11 )
    = e21 ),
    inference(demod,[status(thm)],[zip_derived_cl307,zip_derived_cl292]) ).

thf(zip_derived_cl40987,plain,
    ( ( ( h4 @ ( op1 @ e10 @ e11 ) )
     != ( op2 @ e20 @ e21 ) )
   <= ( ( h4 @ ( op1 @ e10 @ e11 ) )
     != ( op2 @ ( h4 @ e10 ) @ ( h4 @ e11 ) ) ) ),
    inference(demod,[status(thm)],[zip_derived_cl17207,zip_derived_cl22757,zip_derived_cl22747]) ).

thf(zip_derived_cl46576,plain,
    ( ( ( h4 @ e12 )
     != ( op2 @ e20 @ e21 ) )
   <= ( ( h4 @ ( op1 @ e10 @ e11 ) )
     != ( op2 @ ( h4 @ e10 ) @ ( h4 @ e11 ) ) ) ),
    inference('s_sup-',[status(thm)],[zip_derived_cl28210,zip_derived_cl40987]) ).

thf(zip_derived_cl27983_200,plain,
    ( ( h4 @ e12 )
    = e22 ),
    inference(demod,[status(thm)],[zip_derived_cl22736,zip_derived_cl27978]) ).

thf(zip_derived_cl46583,plain,
    ( ( e22
     != ( op2 @ e20 @ e21 ) )
   <= ( ( h4 @ ( op1 @ e10 @ e11 ) )
     != ( op2 @ ( h4 @ e10 ) @ ( h4 @ e11 ) ) ) ),
    inference(demod,[status(thm)],[zip_derived_cl46576,zip_derived_cl27983]) ).

thf(zip_derived_cl46585,plain,
    ( ( e22 != e22 )
   <= ( ( ( h4 @ ( op1 @ e10 @ e11 ) )
       != ( op2 @ ( h4 @ e10 ) @ ( h4 @ e11 ) ) )
      & ( ( op2 @ e20 @ e21 )
        = e22 ) ) ),
    inference('s_sup-',[status(thm)],[zip_derived_cl1584,zip_derived_cl46583]) ).

thf('181',plain,
    ( ( ( h4 @ ( op1 @ e10 @ e11 ) )
      = ( op2 @ ( h4 @ e10 ) @ ( h4 @ e11 ) ) )
    | ( ( op2 @ e20 @ e21 )
     != e22 ) ),
    inference(simplify,[status(thm)],[zip_derived_cl46585]) ).

thf(zip_derived_cl89,plain,
    ( ( ( op2 @ e20 @ e23 )
      = e23 )
    | ( ( op2 @ e20 @ e22 )
      = e23 )
    | ( ( op2 @ e20 @ e21 )
      = e23 )
    | ( ( op2 @ e20 @ e20 )
      = e23 ) ),
    inference(cnf,[status(esa)],[ax4]) ).

thf('182',plain,
    ( ( ( op2 @ e20 @ e23 )
      = e23 )
    | ( ( op2 @ e20 @ e22 )
      = e23 )
    | ( ( op2 @ e20 @ e21 )
      = e23 )
    | ( ( op2 @ e20 @ e20 )
      = e23 ) ),
    inference(split,[status(esa)],[zip_derived_cl89]) ).

thf(zip_derived_cl1585,plain,
    ( ( ( op2 @ e20 @ e21 )
      = e23 )
   <= ( ( op2 @ e20 @ e21 )
      = e23 ) ),
    inference(split,[status(esa)],[zip_derived_cl62]) ).

thf(zip_derived_cl183,plain,
    ( ( op2 @ e20 @ e21 )
   != ( op2 @ e23 @ e21 ) ),
    inference(cnf,[status(esa)],[ax6]) ).

thf(zip_derived_cl24569_201,plain,
    ( ( op2 @ e23 @ e21 )
    = e23 ),
    inference(simpl_trail,[status(thm)],[zip_derived_cl1537,'83']) ).

thf(zip_derived_cl24573,plain,
    ( ( op2 @ e20 @ e21 )
   != e23 ),
    inference(demod,[status(thm)],[zip_derived_cl183,zip_derived_cl24569]) ).

thf(zip_derived_cl28580,plain,
    ( ( e23 != e23 )
   <= ( ( op2 @ e20 @ e21 )
      = e23 ) ),
    inference('s_sup-',[status(thm)],[zip_derived_cl1585,zip_derived_cl24573]) ).

thf('183',plain,
    ( ( op2 @ e20 @ e21 )
   != e23 ),
    inference(simplify,[status(thm)],[zip_derived_cl28580]) ).

thf(zip_derived_cl82,plain,
    ( ( ( op2 @ e23 @ e21 )
      = e22 )
    | ( ( op2 @ e22 @ e21 )
      = e22 )
    | ( ( op2 @ e21 @ e21 )
      = e22 )
    | ( ( op2 @ e20 @ e21 )
      = e22 ) ),
    inference(cnf,[status(esa)],[ax4]) ).

thf('184',plain,
    ( ( ( op2 @ e20 @ e21 )
      = e22 )
    | ( ( op2 @ e22 @ e21 )
      = e22 )
    | ( ( op2 @ e23 @ e21 )
      = e22 )
    | ( ( op2 @ e21 @ e21 )
      = e22 ) ),
    inference(split,[status(esa)],[zip_derived_cl82]) ).

thf(zip_derived_cl24569_202,plain,
    ( ( op2 @ e23 @ e21 )
    = e23 ),
    inference(simpl_trail,[status(thm)],[zip_derived_cl1537,'83']) ).

thf(zip_derived_cl1536,plain,
    ( ( ( op2 @ e23 @ e21 )
      = e22 )
   <= ( ( op2 @ e23 @ e21 )
      = e22 ) ),
    inference(split,[status(esa)],[zip_derived_cl50]) ).

thf(zip_derived_cl24576,plain,
    ( ( e23 = e22 )
   <= ( ( op2 @ e23 @ e21 )
      = e22 ) ),
    inference('s_sup+',[status(thm)],[zip_derived_cl24569,zip_derived_cl1536]) ).

thf(zip_derived_cl198_203,plain,
    e22 != e23,
    inference(cnf,[status(esa)],[ax8]) ).

thf('185',plain,
    ( ( op2 @ e23 @ e21 )
   != e22 ),
    inference('simplify_reflect-',[status(thm)],[zip_derived_cl24576,zip_derived_cl198]) ).

thf(zip_derived_cl1579_204,plain,
    ( ( ( op2 @ e20 @ e22 )
      = e21 )
   <= ( ( op2 @ e20 @ e22 )
      = e21 ) ),
    inference(split,[status(esa)],[zip_derived_cl61]) ).

thf(zip_derived_cl1387_205,plain,
    ( ( ( op1 @ e10 @ e12 )
      = e11 )
   <= ( ( op1 @ e10 @ e12 )
      = e11 ) ),
    inference(split,[status(esa)],[zip_derived_cl13]) ).

thf('186',plain,
    ( ( op1 @ e10 @ e12 )
    = e11 ),
    inference('sat_resolution*',[status(thm)],['2','106','107','108','109','129','110','111','112','32','113','114','115','117','171','119','8','9','10','11','12','136','137','23','24','138','26','139','28','39','40','41','42','144','45','46','146','51','52','53','54','55','56','62','58','60','130','120','172','121','122','30','36','61','14','44','63','15','57','37','38','59','123','124','29','135','20','50','16','31','125','147','126','173','145']) ).

thf(zip_derived_cl28209,plain,
    ( ( op1 @ e10 @ e12 )
    = e11 ),
    inference(simpl_trail,[status(thm)],[zip_derived_cl1387,'186']) ).

thf(zip_derived_cl17208,plain,
    ( ( ( h4 @ ( op1 @ e10 @ e12 ) )
     != ( op2 @ ( h4 @ e10 ) @ ( h4 @ e12 ) ) )
   <= ( ( h4 @ ( op1 @ e10 @ e12 ) )
     != ( op2 @ ( h4 @ e10 ) @ ( h4 @ e12 ) ) ) ),
    inference(split,[status(esa)],[zip_derived_cl1078]) ).

thf(zip_derived_cl22757_206,plain,
    ( ( h4 @ e10 )
    = e20 ),
    inference(demod,[status(thm)],[zip_derived_cl308,zip_derived_cl292,zip_derived_cl292,zip_derived_cl22644]) ).

thf(zip_derived_cl27983_207,plain,
    ( ( h4 @ e12 )
    = e22 ),
    inference(demod,[status(thm)],[zip_derived_cl22736,zip_derived_cl27978]) ).

thf(zip_derived_cl40991,plain,
    ( ( ( h4 @ ( op1 @ e10 @ e12 ) )
     != ( op2 @ e20 @ e22 ) )
   <= ( ( h4 @ ( op1 @ e10 @ e12 ) )
     != ( op2 @ ( h4 @ e10 ) @ ( h4 @ e12 ) ) ) ),
    inference(demod,[status(thm)],[zip_derived_cl17208,zip_derived_cl22757,zip_derived_cl27983]) ).

thf(zip_derived_cl46544,plain,
    ( ( ( h4 @ e11 )
     != ( op2 @ e20 @ e22 ) )
   <= ( ( h4 @ ( op1 @ e10 @ e12 ) )
     != ( op2 @ ( h4 @ e10 ) @ ( h4 @ e12 ) ) ) ),
    inference('s_sup-',[status(thm)],[zip_derived_cl28209,zip_derived_cl40991]) ).

thf(zip_derived_cl22747_208,plain,
    ( ( h4 @ e11 )
    = e21 ),
    inference(demod,[status(thm)],[zip_derived_cl307,zip_derived_cl292]) ).

thf(zip_derived_cl46553,plain,
    ( ( e21
     != ( op2 @ e20 @ e22 ) )
   <= ( ( h4 @ ( op1 @ e10 @ e12 ) )
     != ( op2 @ ( h4 @ e10 ) @ ( h4 @ e12 ) ) ) ),
    inference(demod,[status(thm)],[zip_derived_cl46544,zip_derived_cl22747]) ).

thf(zip_derived_cl46554,plain,
    ( ( e21 != e21 )
   <= ( ( ( h4 @ ( op1 @ e10 @ e12 ) )
       != ( op2 @ ( h4 @ e10 ) @ ( h4 @ e12 ) ) )
      & ( ( op2 @ e20 @ e22 )
        = e21 ) ) ),
    inference('s_sup-',[status(thm)],[zip_derived_cl1579,zip_derived_cl46553]) ).

thf('187',plain,
    ( ( ( h4 @ ( op1 @ e10 @ e12 ) )
      = ( op2 @ ( h4 @ e10 ) @ ( h4 @ e12 ) ) )
    | ( ( op2 @ e20 @ e22 )
     != e21 ) ),
    inference(simplify,[status(thm)],[zip_derived_cl46554]) ).

thf(zip_derived_cl1581_209,plain,
    ( ( ( op2 @ e20 @ e22 )
      = e23 )
   <= ( ( op2 @ e20 @ e22 )
      = e23 ) ),
    inference(split,[status(esa)],[zip_derived_cl61]) ).

thf(zip_derived_cl1579_210,plain,
    ( ( ( op2 @ e20 @ e22 )
      = e21 )
   <= ( ( op2 @ e20 @ e22 )
      = e21 ) ),
    inference(split,[status(esa)],[zip_derived_cl61]) ).

thf(zip_derived_cl25320,plain,
    ( ( e23 = e21 )
   <= ( ( ( op2 @ e20 @ e22 )
        = e21 )
      & ( ( op2 @ e20 @ e22 )
        = e23 ) ) ),
    inference('s_sup+',[status(thm)],[zip_derived_cl1581,zip_derived_cl1579]) ).

thf(zip_derived_cl199_211,plain,
    e21 != e23,
    inference(cnf,[status(esa)],[ax8]) ).

thf('188',plain,
    ( ( ( op2 @ e20 @ e22 )
     != e23 )
    | ( ( op2 @ e20 @ e22 )
     != e21 ) ),
    inference('simplify_reflect-',[status(thm)],[zip_derived_cl25320,zip_derived_cl199]) ).

thf(zip_derived_cl1551_212,plain,
    ( ( ( op2 @ e22 @ e21 )
      = e21 )
   <= ( ( op2 @ e22 @ e21 )
      = e21 ) ),
    inference(split,[status(esa)],[zip_derived_cl54]) ).

thf(zip_derived_cl1359_213,plain,
    ( ( ( op1 @ e12 @ e11 )
      = e11 )
   <= ( ( op1 @ e12 @ e11 )
      = e11 ) ),
    inference(split,[status(esa)],[zip_derived_cl6]) ).

thf('189',plain,
    ( ( op1 @ e12 @ e11 )
    = e11 ),
    inference('sat_resolution*',[status(thm)],['3','169','100','102','103','104','105','131','67','6','170','106','107','108','109','129','110','111','112','32','113','114','115','117','171','119','8','9','10','11','12','136','137','23','24','26','139','28','39','40','41','42','144','45','46','145','146','51','52','53','54','55','56','62','58','60','130','120','172','121','122','30','36','61','14','44','63','15','57','37','38','59','123','124','29','135','20','50','16','31','125','147','126','173','138']) ).

thf(zip_derived_cl28206,plain,
    ( ( op1 @ e12 @ e11 )
    = e11 ),
    inference(simpl_trail,[status(thm)],[zip_derived_cl1359,'189']) ).

thf(zip_derived_cl17215,plain,
    ( ( ( h4 @ ( op1 @ e12 @ e11 ) )
     != ( op2 @ ( h4 @ e12 ) @ ( h4 @ e11 ) ) )
   <= ( ( h4 @ ( op1 @ e12 @ e11 ) )
     != ( op2 @ ( h4 @ e12 ) @ ( h4 @ e11 ) ) ) ),
    inference(split,[status(esa)],[zip_derived_cl1078]) ).

thf(zip_derived_cl27983_214,plain,
    ( ( h4 @ e12 )
    = e22 ),
    inference(demod,[status(thm)],[zip_derived_cl22736,zip_derived_cl27978]) ).

thf(zip_derived_cl22747_215,plain,
    ( ( h4 @ e11 )
    = e21 ),
    inference(demod,[status(thm)],[zip_derived_cl307,zip_derived_cl292]) ).

thf(zip_derived_cl41012,plain,
    ( ( ( h4 @ ( op1 @ e12 @ e11 ) )
     != ( op2 @ e22 @ e21 ) )
   <= ( ( h4 @ ( op1 @ e12 @ e11 ) )
     != ( op2 @ ( h4 @ e12 ) @ ( h4 @ e11 ) ) ) ),
    inference(demod,[status(thm)],[zip_derived_cl17215,zip_derived_cl27983,zip_derived_cl22747]) ).

thf(zip_derived_cl46463,plain,
    ( ( ( h4 @ e11 )
     != ( op2 @ e22 @ e21 ) )
   <= ( ( h4 @ ( op1 @ e12 @ e11 ) )
     != ( op2 @ ( h4 @ e12 ) @ ( h4 @ e11 ) ) ) ),
    inference('s_sup-',[status(thm)],[zip_derived_cl28206,zip_derived_cl41012]) ).

thf(zip_derived_cl22747_216,plain,
    ( ( h4 @ e11 )
    = e21 ),
    inference(demod,[status(thm)],[zip_derived_cl307,zip_derived_cl292]) ).

thf(zip_derived_cl46472,plain,
    ( ( e21
     != ( op2 @ e22 @ e21 ) )
   <= ( ( h4 @ ( op1 @ e12 @ e11 ) )
     != ( op2 @ ( h4 @ e12 ) @ ( h4 @ e11 ) ) ) ),
    inference(demod,[status(thm)],[zip_derived_cl46463,zip_derived_cl22747]) ).

thf(zip_derived_cl46473,plain,
    ( ( e21 != e21 )
   <= ( ( ( h4 @ ( op1 @ e12 @ e11 ) )
       != ( op2 @ ( h4 @ e12 ) @ ( h4 @ e11 ) ) )
      & ( ( op2 @ e22 @ e21 )
        = e21 ) ) ),
    inference('s_sup-',[status(thm)],[zip_derived_cl1551,zip_derived_cl46472]) ).

thf('190',plain,
    ( ( ( h4 @ ( op1 @ e12 @ e11 ) )
      = ( op2 @ ( h4 @ e12 ) @ ( h4 @ e11 ) ) )
    | ( ( op2 @ e22 @ e21 )
     != e21 ) ),
    inference(simplify,[status(thm)],[zip_derived_cl46473]) ).

thf(zip_derived_cl1548_217,plain,
    ( ( ( op2 @ e22 @ e22 )
      = e22 )
   <= ( ( op2 @ e22 @ e22 )
      = e22 ) ),
    inference(split,[status(esa)],[zip_derived_cl53]) ).

thf(zip_derived_cl1356_218,plain,
    ( ( ( op1 @ e12 @ e12 )
      = e12 )
   <= ( ( op1 @ e12 @ e12 )
      = e12 ) ),
    inference(split,[status(esa)],[zip_derived_cl5]) ).

thf('191',plain,
    ( ( op1 @ e12 @ e12 )
    = e12 ),
    inference('sat_resolution*',[status(thm)],['169','100','170','102','103','104','105','106','107','108','109','129','110','111','112','32','113','114','115','117','171','119','8','9','10','11','12','136','137','23','24','138','26','139','28','39','40','41','42','144','45','46','145','146','51','52','53','54','55','56','62','58','60','130','120','172','121','122','30','36','61','14','44','63','15','57','37','38','59','123','124','29','135','20','50','16','31','125','147','126','173','127']) ).

thf(zip_derived_cl28205,plain,
    ( ( op1 @ e12 @ e12 )
    = e12 ),
    inference(simpl_trail,[status(thm)],[zip_derived_cl1356,'191']) ).

thf(zip_derived_cl17216,plain,
    ( ( ( h4 @ ( op1 @ e12 @ e12 ) )
     != ( op2 @ ( h4 @ e12 ) @ ( h4 @ e12 ) ) )
   <= ( ( h4 @ ( op1 @ e12 @ e12 ) )
     != ( op2 @ ( h4 @ e12 ) @ ( h4 @ e12 ) ) ) ),
    inference(split,[status(esa)],[zip_derived_cl1078]) ).

thf(zip_derived_cl27983_219,plain,
    ( ( h4 @ e12 )
    = e22 ),
    inference(demod,[status(thm)],[zip_derived_cl22736,zip_derived_cl27978]) ).

thf(zip_derived_cl27983_220,plain,
    ( ( h4 @ e12 )
    = e22 ),
    inference(demod,[status(thm)],[zip_derived_cl22736,zip_derived_cl27978]) ).

thf(zip_derived_cl41013,plain,
    ( ( ( h4 @ ( op1 @ e12 @ e12 ) )
     != ( op2 @ e22 @ e22 ) )
   <= ( ( h4 @ ( op1 @ e12 @ e12 ) )
     != ( op2 @ ( h4 @ e12 ) @ ( h4 @ e12 ) ) ) ),
    inference(demod,[status(thm)],[zip_derived_cl17216,zip_derived_cl27983,zip_derived_cl27983]) ).

thf(zip_derived_cl46430,plain,
    ( ( ( h4 @ e12 )
     != ( op2 @ e22 @ e22 ) )
   <= ( ( h4 @ ( op1 @ e12 @ e12 ) )
     != ( op2 @ ( h4 @ e12 ) @ ( h4 @ e12 ) ) ) ),
    inference('s_sup-',[status(thm)],[zip_derived_cl28205,zip_derived_cl41013]) ).

thf(zip_derived_cl27983_221,plain,
    ( ( h4 @ e12 )
    = e22 ),
    inference(demod,[status(thm)],[zip_derived_cl22736,zip_derived_cl27978]) ).

thf(zip_derived_cl46442,plain,
    ( ( e22
     != ( op2 @ e22 @ e22 ) )
   <= ( ( h4 @ ( op1 @ e12 @ e12 ) )
     != ( op2 @ ( h4 @ e12 ) @ ( h4 @ e12 ) ) ) ),
    inference(demod,[status(thm)],[zip_derived_cl46430,zip_derived_cl27983]) ).

thf(zip_derived_cl46447,plain,
    ( ( e22 != e22 )
   <= ( ( ( h4 @ ( op1 @ e12 @ e12 ) )
       != ( op2 @ ( h4 @ e12 ) @ ( h4 @ e12 ) ) )
      & ( ( op2 @ e22 @ e22 )
        = e22 ) ) ),
    inference('s_sup-',[status(thm)],[zip_derived_cl1548,zip_derived_cl46442]) ).

thf('192',plain,
    ( ( ( h4 @ ( op1 @ e12 @ e12 ) )
      = ( op2 @ ( h4 @ e12 ) @ ( h4 @ e12 ) ) )
    | ( ( op2 @ e22 @ e22 )
     != e22 ) ),
    inference(simplify,[status(thm)],[zip_derived_cl46447]) ).

thf(zip_derived_cl1564,plain,
    ( ( ( op2 @ e21 @ e22 )
      = e22 )
   <= ( ( op2 @ e21 @ e22 )
      = e22 ) ),
    inference(split,[status(esa)],[zip_derived_cl57]) ).

thf(zip_derived_cl1548_222,plain,
    ( ( ( op2 @ e22 @ e22 )
      = e22 )
   <= ( ( op2 @ e22 @ e22 )
      = e22 ) ),
    inference(split,[status(esa)],[zip_derived_cl53]) ).

thf(zip_derived_cl176,plain,
    ( ( op2 @ e21 @ e22 )
   != ( op2 @ e22 @ e22 ) ),
    inference(cnf,[status(esa)],[ax6]) ).

thf(zip_derived_cl24781,plain,
    ( ( ( op2 @ e21 @ e22 )
     != e22 )
   <= ( ( op2 @ e22 @ e22 )
      = e22 ) ),
    inference('s_sup-',[status(thm)],[zip_derived_cl1548,zip_derived_cl176]) ).

thf(zip_derived_cl26854,plain,
    ( ( e22 != e22 )
   <= ( ( ( op2 @ e22 @ e22 )
        = e22 )
      & ( ( op2 @ e21 @ e22 )
        = e22 ) ) ),
    inference('s_sup-',[status(thm)],[zip_derived_cl1564,zip_derived_cl24781]) ).

thf('193',plain,
    ( ( ( op2 @ e21 @ e22 )
     != e22 )
    | ( ( op2 @ e22 @ e22 )
     != e22 ) ),
    inference(simplify,[status(thm)],[zip_derived_cl26854]) ).

thf(zip_derived_cl1552,plain,
    ( ( ( op2 @ e22 @ e21 )
      = e22 )
   <= ( ( op2 @ e22 @ e21 )
      = e22 ) ),
    inference(split,[status(esa)],[zip_derived_cl54]) ).

thf(zip_derived_cl1548_223,plain,
    ( ( ( op2 @ e22 @ e22 )
      = e22 )
   <= ( ( op2 @ e22 @ e22 )
      = e22 ) ),
    inference(split,[status(esa)],[zip_derived_cl53]) ).

thf(zip_derived_cl152,plain,
    ( ( op2 @ e22 @ e21 )
   != ( op2 @ e22 @ e22 ) ),
    inference(cnf,[status(esa)],[ax6]) ).

thf(zip_derived_cl24779,plain,
    ( ( ( op2 @ e22 @ e21 )
     != e22 )
   <= ( ( op2 @ e22 @ e22 )
      = e22 ) ),
    inference('s_sup-',[status(thm)],[zip_derived_cl1548,zip_derived_cl152]) ).

thf(zip_derived_cl26845,plain,
    ( ( e22 != e22 )
   <= ( ( ( op2 @ e22 @ e22 )
        = e22 )
      & ( ( op2 @ e22 @ e21 )
        = e22 ) ) ),
    inference('s_sup-',[status(thm)],[zip_derived_cl1552,zip_derived_cl24779]) ).

thf('194',plain,
    ( ( ( op2 @ e22 @ e21 )
     != e22 )
    | ( ( op2 @ e22 @ e22 )
     != e22 ) ),
    inference(simplify,[status(thm)],[zip_derived_cl26845]) ).

thf(zip_derived_cl76,plain,
    ( ( ( op2 @ e23 @ e22 )
      = e21 )
    | ( ( op2 @ e22 @ e22 )
      = e21 )
    | ( ( op2 @ e21 @ e22 )
      = e21 )
    | ( ( op2 @ e20 @ e22 )
      = e21 ) ),
    inference(cnf,[status(esa)],[ax4]) ).

thf('195',plain,
    ( ( ( op2 @ e20 @ e22 )
      = e21 )
    | ( ( op2 @ e22 @ e22 )
      = e21 )
    | ( ( op2 @ e21 @ e22 )
      = e21 )
    | ( ( op2 @ e23 @ e22 )
      = e21 ) ),
    inference(split,[status(esa)],[zip_derived_cl76]) ).

thf(zip_derived_cl1531,plain,
    ( ( ( op2 @ e23 @ e22 )
      = e21 )
   <= ( ( op2 @ e23 @ e22 )
      = e21 ) ),
    inference(split,[status(esa)],[zip_derived_cl49]) ).

thf(zip_derived_cl144,plain,
    ( ( op2 @ e23 @ e22 )
   != ( op2 @ e23 @ e23 ) ),
    inference(cnf,[status(esa)],[ax6]) ).

thf(zip_derived_cl292_224,plain,
    ( e21
    = ( op2 @ e23 @ e23 ) ),
    inference(cnf,[status(esa)],[ax13]) ).

thf(zip_derived_cl22635,plain,
    ( ( op2 @ e23 @ e22 )
   != e21 ),
    inference(demod,[status(thm)],[zip_derived_cl144,zip_derived_cl292]) ).

thf(zip_derived_cl27596,plain,
    ( ( e21 != e21 )
   <= ( ( op2 @ e23 @ e22 )
      = e21 ) ),
    inference('s_sup-',[status(thm)],[zip_derived_cl1531,zip_derived_cl22635]) ).

thf('196',plain,
    ( ( op2 @ e23 @ e22 )
   != e21 ),
    inference(simplify,[status(thm)],[zip_derived_cl27596]) ).

thf(zip_derived_cl77,plain,
    ( ( ( op2 @ e22 @ e23 )
      = e21 )
    | ( ( op2 @ e22 @ e22 )
      = e21 )
    | ( ( op2 @ e22 @ e21 )
      = e21 )
    | ( ( op2 @ e22 @ e20 )
      = e21 ) ),
    inference(cnf,[status(esa)],[ax4]) ).

thf('197',plain,
    ( ( ( op2 @ e22 @ e21 )
      = e21 )
    | ( ( op2 @ e22 @ e22 )
      = e21 )
    | ( ( op2 @ e22 @ e23 )
      = e21 )
    | ( ( op2 @ e22 @ e20 )
      = e21 ) ),
    inference(split,[status(esa)],[zip_derived_cl77]) ).

thf(zip_derived_cl1543,plain,
    ( ( ( op2 @ e22 @ e23 )
      = e21 )
   <= ( ( op2 @ e22 @ e23 )
      = e21 ) ),
    inference(split,[status(esa)],[zip_derived_cl52]) ).

thf(zip_derived_cl168,plain,
    ( ( op2 @ e22 @ e23 )
   != ( op2 @ e23 @ e23 ) ),
    inference(cnf,[status(esa)],[ax6]) ).

thf(zip_derived_cl292_225,plain,
    ( e21
    = ( op2 @ e23 @ e23 ) ),
    inference(cnf,[status(esa)],[ax13]) ).

thf(zip_derived_cl22638,plain,
    ( ( op2 @ e22 @ e23 )
   != e21 ),
    inference(demod,[status(thm)],[zip_derived_cl168,zip_derived_cl292]) ).

thf(zip_derived_cl27614,plain,
    ( ( e21 != e21 )
   <= ( ( op2 @ e22 @ e23 )
      = e21 ) ),
    inference('s_sup-',[status(thm)],[zip_derived_cl1543,zip_derived_cl22638]) ).

thf('198',plain,
    ( ( op2 @ e22 @ e23 )
   != e21 ),
    inference(simplify,[status(thm)],[zip_derived_cl27614]) ).

thf(zip_derived_cl1555,plain,
    ( ( ( op2 @ e22 @ e20 )
      = e21 )
   <= ( ( op2 @ e22 @ e20 )
      = e21 ) ),
    inference(split,[status(esa)],[zip_derived_cl55]) ).

thf(zip_derived_cl188,plain,
    ( ( op2 @ e21 @ e20 )
   != ( op2 @ e22 @ e20 ) ),
    inference(cnf,[status(esa)],[ax6]) ).

thf(zip_derived_cl25165_226,plain,
    ( ( op2 @ e21 @ e20 )
    = e21 ),
    inference(simpl_trail,[status(thm)],[zip_derived_cl1571,'161']) ).

thf(zip_derived_cl25169,plain,
    ( e21
   != ( op2 @ e22 @ e20 ) ),
    inference(demod,[status(thm)],[zip_derived_cl188,zip_derived_cl25165]) ).

thf(zip_derived_cl28652,plain,
    ( ( e21 != e21 )
   <= ( ( op2 @ e22 @ e20 )
      = e21 ) ),
    inference('s_sup-',[status(thm)],[zip_derived_cl1555,zip_derived_cl25169]) ).

thf('199',plain,
    ( ( op2 @ e22 @ e20 )
   != e21 ),
    inference(simplify,[status(thm)],[zip_derived_cl28652]) ).

thf('200',plain,
    ( ( ( op2 @ e22 @ e22 )
      = e22 )
    | ( ( op2 @ e22 @ e22 )
      = e21 )
    | ( ( op2 @ e22 @ e22 )
      = e23 )
    | ( ( op2 @ e22 @ e22 )
      = e20 ) ),
    inference(split,[status(esa)],[zip_derived_cl53]) ).

thf(zip_derived_cl268,plain,
    ( ( ( op2 @ e21 @ ( op2 @ e23 @ e21 ) )
     != ( op2 @ e23 @ e21 ) )
    | ~ zip_tseitin_7 ),
    inference(cnf,[status(esa)],[zf_stmt_13]) ).

thf('201',plain,
    ( ( ( op2 @ e21 @ ( op2 @ e23 @ e21 ) )
     != ( op2 @ e23 @ e21 ) )
    | ~ zip_tseitin_7 ),
    inference(split,[status(esa)],[zip_derived_cl268]) ).

thf(zip_derived_cl264,plain,
    ( ( ( op2 @ e21 @ ( op2 @ e22 @ e21 ) )
     != ( op2 @ e22 @ e21 ) )
    | ~ zip_tseitin_6 ),
    inference(cnf,[status(esa)],[zf_stmt_11]) ).

thf('202',plain,
    ( ~ zip_tseitin_6
    | ( ( op2 @ e21 @ ( op2 @ e22 @ e21 ) )
     != ( op2 @ e22 @ e21 ) ) ),
    inference(split,[status(esa)],[zip_derived_cl264]) ).

thf(zip_derived_cl1561,plain,
    ( ( ( op2 @ e21 @ e23 )
      = e23 )
   <= ( ( op2 @ e21 @ e23 )
      = e23 ) ),
    inference(split,[status(esa)],[zip_derived_cl56]) ).

thf(zip_derived_cl1810,plain,
    ( ( ( op2 @ e21 @ ( op2 @ e23 @ e21 ) )
     != ( op2 @ e23 @ e21 ) )
   <= ( ( op2 @ e21 @ ( op2 @ e23 @ e21 ) )
     != ( op2 @ e23 @ e21 ) ) ),
    inference(split,[status(esa)],[zip_derived_cl268]) ).

thf(zip_derived_cl24569_227,plain,
    ( ( op2 @ e23 @ e21 )
    = e23 ),
    inference(simpl_trail,[status(thm)],[zip_derived_cl1537,'83']) ).

thf(zip_derived_cl24569_228,plain,
    ( ( op2 @ e23 @ e21 )
    = e23 ),
    inference(simpl_trail,[status(thm)],[zip_derived_cl1537,'83']) ).

thf(zip_derived_cl27319,plain,
    ( ( ( op2 @ e21 @ e23 )
     != e23 )
   <= ( ( op2 @ e21 @ ( op2 @ e23 @ e21 ) )
     != ( op2 @ e23 @ e21 ) ) ),
    inference(demod,[status(thm)],[zip_derived_cl1810,zip_derived_cl24569,zip_derived_cl24569]) ).

thf(zip_derived_cl27323,plain,
    ( ( e23 != e23 )
   <= ( ( ( op2 @ e21 @ ( op2 @ e23 @ e21 ) )
       != ( op2 @ e23 @ e21 ) )
      & ( ( op2 @ e21 @ e23 )
        = e23 ) ) ),
    inference('s_sup-',[status(thm)],[zip_derived_cl1561,zip_derived_cl27319]) ).

thf('203',plain,
    ( ( ( op2 @ e21 @ e23 )
     != e23 )
    | ( ( op2 @ e21 @ ( op2 @ e23 @ e21 ) )
      = ( op2 @ e23 @ e21 ) ) ),
    inference(simplify,[status(thm)],[zip_derived_cl27323]) ).

thf(zip_derived_cl1564_229,plain,
    ( ( ( op2 @ e21 @ e22 )
      = e22 )
   <= ( ( op2 @ e21 @ e22 )
      = e22 ) ),
    inference(split,[status(esa)],[zip_derived_cl57]) ).

thf(zip_derived_cl1552_230,plain,
    ( ( ( op2 @ e22 @ e21 )
      = e22 )
   <= ( ( op2 @ e22 @ e21 )
      = e22 ) ),
    inference(split,[status(esa)],[zip_derived_cl54]) ).

thf(zip_derived_cl1802,plain,
    ( ( ( op2 @ e21 @ ( op2 @ e22 @ e21 ) )
     != ( op2 @ e22 @ e21 ) )
   <= ( ( op2 @ e21 @ ( op2 @ e22 @ e21 ) )
     != ( op2 @ e22 @ e21 ) ) ),
    inference(split,[status(esa)],[zip_derived_cl264]) ).

thf(zip_derived_cl27307,plain,
    ( ( ( op2 @ e21 @ e22 )
     != e22 )
   <= ( ( ( op2 @ e21 @ ( op2 @ e22 @ e21 ) )
       != ( op2 @ e22 @ e21 ) )
      & ( ( op2 @ e22 @ e21 )
        = e22 ) ) ),
    inference('s_sup-',[status(thm)],[zip_derived_cl1552,zip_derived_cl1802]) ).

thf(zip_derived_cl28353,plain,
    ( ( e22 != e22 )
   <= ( ( ( op2 @ e21 @ ( op2 @ e22 @ e21 ) )
       != ( op2 @ e22 @ e21 ) )
      & ( ( op2 @ e22 @ e21 )
        = e22 )
      & ( ( op2 @ e21 @ e22 )
        = e22 ) ) ),
    inference('s_sup-',[status(thm)],[zip_derived_cl1564,zip_derived_cl27307]) ).

thf('204',plain,
    ( ( ( op2 @ e21 @ ( op2 @ e22 @ e21 ) )
      = ( op2 @ e22 @ e21 ) )
    | ( ( op2 @ e21 @ e22 )
     != e22 )
    | ( ( op2 @ e22 @ e21 )
     != e22 ) ),
    inference(simplify,[status(thm)],[zip_derived_cl28353]) ).

thf('205',plain,
    ( ( ( op2 @ e21 @ e22 )
      = e23 )
    | ( ( op2 @ e21 @ e22 )
      = e22 )
    | ( ( op2 @ e21 @ e22 )
      = e21 )
    | ( ( op2 @ e21 @ e22 )
      = e20 ) ),
    inference(split,[status(esa)],[zip_derived_cl57]) ).

thf(zip_derived_cl81,plain,
    ( ( ( op2 @ e21 @ e23 )
      = e23 )
    | ( ( op2 @ e21 @ e22 )
      = e23 )
    | ( ( op2 @ e21 @ e21 )
      = e23 )
    | ( ( op2 @ e21 @ e20 )
      = e23 ) ),
    inference(cnf,[status(esa)],[ax4]) ).

thf('206',plain,
    ( ( ( op2 @ e21 @ e22 )
      = e23 )
    | ( ( op2 @ e21 @ e23 )
      = e23 )
    | ( ( op2 @ e21 @ e21 )
      = e23 )
    | ( ( op2 @ e21 @ e20 )
      = e23 ) ),
    inference(split,[status(esa)],[zip_derived_cl81]) ).

thf(zip_derived_cl1573,plain,
    ( ( ( op2 @ e21 @ e20 )
      = e23 )
   <= ( ( op2 @ e21 @ e20 )
      = e23 ) ),
    inference(split,[status(esa)],[zip_derived_cl59]) ).

thf(zip_derived_cl25165_231,plain,
    ( ( op2 @ e21 @ e20 )
    = e21 ),
    inference(simpl_trail,[status(thm)],[zip_derived_cl1571,'161']) ).

thf(zip_derived_cl25198,plain,
    ( ( e21 = e23 )
   <= ( ( op2 @ e21 @ e20 )
      = e23 ) ),
    inference(demod,[status(thm)],[zip_derived_cl1573,zip_derived_cl25165]) ).

thf(zip_derived_cl199_232,plain,
    e21 != e23,
    inference(cnf,[status(esa)],[ax8]) ).

thf('207',plain,
    ( ( op2 @ e21 @ e20 )
   != e23 ),
    inference('simplify_reflect-',[status(thm)],[zip_derived_cl25198,zip_derived_cl199]) ).

thf(zip_derived_cl83,plain,
    ( ( ( op2 @ e21 @ e23 )
      = e22 )
    | ( ( op2 @ e21 @ e22 )
      = e22 )
    | ( ( op2 @ e21 @ e21 )
      = e22 )
    | ( ( op2 @ e21 @ e20 )
      = e22 ) ),
    inference(cnf,[status(esa)],[ax4]) ).

thf('208',plain,
    ( ( ( op2 @ e21 @ e23 )
      = e22 )
    | ( ( op2 @ e21 @ e22 )
      = e22 )
    | ( ( op2 @ e21 @ e20 )
      = e22 )
    | ( ( op2 @ e21 @ e21 )
      = e22 ) ),
    inference(split,[status(esa)],[zip_derived_cl83]) ).

thf(zip_derived_cl1572,plain,
    ( ( ( op2 @ e21 @ e20 )
      = e22 )
   <= ( ( op2 @ e21 @ e20 )
      = e22 ) ),
    inference(split,[status(esa)],[zip_derived_cl59]) ).

thf(zip_derived_cl25165_233,plain,
    ( ( op2 @ e21 @ e20 )
    = e21 ),
    inference(simpl_trail,[status(thm)],[zip_derived_cl1571,'161']) ).

thf(zip_derived_cl25182,plain,
    ( ( e21 = e22 )
   <= ( ( op2 @ e21 @ e20 )
      = e22 ) ),
    inference(demod,[status(thm)],[zip_derived_cl1572,zip_derived_cl25165]) ).

thf(zip_derived_cl200_234,plain,
    e21 != e22,
    inference(cnf,[status(esa)],[ax8]) ).

thf('209',plain,
    ( ( op2 @ e21 @ e20 )
   != e22 ),
    inference('simplify_reflect-',[status(thm)],[zip_derived_cl25182,zip_derived_cl200]) ).

thf(zip_derived_cl1565_235,plain,
    ( ( ( op2 @ e21 @ e22 )
      = e23 )
   <= ( ( op2 @ e21 @ e22 )
      = e23 ) ),
    inference(split,[status(esa)],[zip_derived_cl57]) ).

thf(zip_derived_cl1563,plain,
    ( ( ( op2 @ e21 @ e22 )
      = e21 )
   <= ( ( op2 @ e21 @ e22 )
      = e21 ) ),
    inference(split,[status(esa)],[zip_derived_cl57]) ).

thf(zip_derived_cl25080,plain,
    ( ( e23 = e21 )
   <= ( ( ( op2 @ e21 @ e22 )
        = e21 )
      & ( ( op2 @ e21 @ e22 )
        = e23 ) ) ),
    inference('s_sup+',[status(thm)],[zip_derived_cl1565,zip_derived_cl1563]) ).

thf(zip_derived_cl199_236,plain,
    e21 != e23,
    inference(cnf,[status(esa)],[ax8]) ).

thf('210',plain,
    ( ( ( op2 @ e21 @ e22 )
     != e21 )
    | ( ( op2 @ e21 @ e22 )
     != e23 ) ),
    inference('simplify_reflect-',[status(thm)],[zip_derived_cl25080,zip_derived_cl199]) ).

thf(zip_derived_cl1564_237,plain,
    ( ( ( op2 @ e21 @ e22 )
      = e22 )
   <= ( ( op2 @ e21 @ e22 )
      = e22 ) ),
    inference(split,[status(esa)],[zip_derived_cl57]) ).

thf(zip_derived_cl1563_238,plain,
    ( ( ( op2 @ e21 @ e22 )
      = e21 )
   <= ( ( op2 @ e21 @ e22 )
      = e21 ) ),
    inference(split,[status(esa)],[zip_derived_cl57]) ).

thf(zip_derived_cl25064,plain,
    ( ( e22 = e21 )
   <= ( ( ( op2 @ e21 @ e22 )
        = e21 )
      & ( ( op2 @ e21 @ e22 )
        = e22 ) ) ),
    inference('s_sup+',[status(thm)],[zip_derived_cl1564,zip_derived_cl1563]) ).

thf(zip_derived_cl200_239,plain,
    e21 != e22,
    inference(cnf,[status(esa)],[ax8]) ).

thf('211',plain,
    ( ( ( op2 @ e21 @ e22 )
     != e21 )
    | ( ( op2 @ e21 @ e22 )
     != e22 ) ),
    inference('simplify_reflect-',[status(thm)],[zip_derived_cl25064,zip_derived_cl200]) ).

thf(zip_derived_cl1561_240,plain,
    ( ( ( op2 @ e21 @ e23 )
      = e23 )
   <= ( ( op2 @ e21 @ e23 )
      = e23 ) ),
    inference(split,[status(esa)],[zip_derived_cl56]) ).

thf(zip_derived_cl1560_241,plain,
    ( ( ( op2 @ e21 @ e23 )
      = e22 )
   <= ( ( op2 @ e21 @ e23 )
      = e22 ) ),
    inference(split,[status(esa)],[zip_derived_cl56]) ).

thf(zip_derived_cl25016,plain,
    ( ( e23 = e22 )
   <= ( ( ( op2 @ e21 @ e23 )
        = e22 )
      & ( ( op2 @ e21 @ e23 )
        = e23 ) ) ),
    inference('s_sup+',[status(thm)],[zip_derived_cl1561,zip_derived_cl1560]) ).

thf(zip_derived_cl198_242,plain,
    e22 != e23,
    inference(cnf,[status(esa)],[ax8]) ).

thf('212',plain,
    ( ( ( op2 @ e21 @ e23 )
     != e23 )
    | ( ( op2 @ e21 @ e23 )
     != e22 ) ),
    inference('simplify_reflect-',[status(thm)],[zip_derived_cl25016,zip_derived_cl198]) ).

thf(zip_derived_cl1562,plain,
    ( ( ( op2 @ e21 @ e22 )
      = e20 )
   <= ( ( op2 @ e21 @ e22 )
      = e20 ) ),
    inference(split,[status(esa)],[zip_derived_cl57]) ).

thf(zip_derived_cl158,plain,
    ( ( op2 @ e21 @ e21 )
   != ( op2 @ e21 @ e22 ) ),
    inference(cnf,[status(esa)],[ax6]) ).

thf(zip_derived_cl22644_243,plain,
    ( e20
    = ( op2 @ e21 @ e21 ) ),
    inference(demod,[status(thm)],[zip_derived_cl293,zip_derived_cl292,zip_derived_cl292]) ).

thf(zip_derived_cl22646,plain,
    ( e20
   != ( op2 @ e21 @ e22 ) ),
    inference(demod,[status(thm)],[zip_derived_cl158,zip_derived_cl22644]) ).

thf(zip_derived_cl27640,plain,
    ( ( e20 != e20 )
   <= ( ( op2 @ e21 @ e22 )
      = e20 ) ),
    inference('s_sup-',[status(thm)],[zip_derived_cl1562,zip_derived_cl22646]) ).

thf('213',plain,
    ( ( op2 @ e21 @ e22 )
   != e20 ),
    inference(simplify,[status(thm)],[zip_derived_cl27640]) ).

thf(zip_derived_cl265,plain,
    ( ( ( op2 @ e20 @ ( op2 @ e22 @ e20 ) )
     != ( op2 @ e22 @ e20 ) )
    | ~ zip_tseitin_6 ),
    inference(cnf,[status(esa)],[zf_stmt_11]) ).

thf('214',plain,
    ( ~ zip_tseitin_6
    | ( ( op2 @ e20 @ ( op2 @ e22 @ e20 ) )
     != ( op2 @ e22 @ e20 ) ) ),
    inference(split,[status(esa)],[zip_derived_cl265]) ).

thf(zip_derived_cl269,plain,
    ( ( ( op2 @ e20 @ ( op2 @ e23 @ e20 ) )
     != ( op2 @ e23 @ e20 ) )
    | ~ zip_tseitin_7 ),
    inference(cnf,[status(esa)],[zf_stmt_13]) ).

thf('215',plain,
    ( ( ( op2 @ e20 @ ( op2 @ e23 @ e20 ) )
     != ( op2 @ e23 @ e20 ) )
    | ~ zip_tseitin_7 ),
    inference(split,[status(esa)],[zip_derived_cl269]) ).

thf(zip_derived_cl1577_244,plain,
    ( ( ( op2 @ e20 @ e23 )
      = e23 )
   <= ( ( op2 @ e20 @ e23 )
      = e23 ) ),
    inference(split,[status(esa)],[zip_derived_cl60]) ).

thf(zip_derived_cl1557,plain,
    ( ( ( op2 @ e22 @ e20 )
      = e23 )
   <= ( ( op2 @ e22 @ e20 )
      = e23 ) ),
    inference(split,[status(esa)],[zip_derived_cl55]) ).

thf(zip_derived_cl1804,plain,
    ( ( ( op2 @ e20 @ ( op2 @ e22 @ e20 ) )
     != ( op2 @ e22 @ e20 ) )
   <= ( ( op2 @ e20 @ ( op2 @ e22 @ e20 ) )
     != ( op2 @ e22 @ e20 ) ) ),
    inference(split,[status(esa)],[zip_derived_cl265]) ).

thf(zip_derived_cl27314,plain,
    ( ( ( op2 @ e20 @ e23 )
     != e23 )
   <= ( ( ( op2 @ e20 @ ( op2 @ e22 @ e20 ) )
       != ( op2 @ e22 @ e20 ) )
      & ( ( op2 @ e22 @ e20 )
        = e23 ) ) ),
    inference('s_sup-',[status(thm)],[zip_derived_cl1557,zip_derived_cl1804]) ).

thf(zip_derived_cl28377,plain,
    ( ( e23 != e23 )
   <= ( ( ( op2 @ e20 @ ( op2 @ e22 @ e20 ) )
       != ( op2 @ e22 @ e20 ) )
      & ( ( op2 @ e22 @ e20 )
        = e23 )
      & ( ( op2 @ e20 @ e23 )
        = e23 ) ) ),
    inference('s_sup-',[status(thm)],[zip_derived_cl1577,zip_derived_cl27314]) ).

thf('216',plain,
    ( ( ( op2 @ e20 @ ( op2 @ e22 @ e20 ) )
      = ( op2 @ e22 @ e20 ) )
    | ( ( op2 @ e20 @ e23 )
     != e23 )
    | ( ( op2 @ e22 @ e20 )
     != e23 ) ),
    inference(simplify,[status(thm)],[zip_derived_cl28377]) ).

thf(zip_derived_cl1580,plain,
    ( ( ( op2 @ e20 @ e22 )
      = e22 )
   <= ( ( op2 @ e20 @ e22 )
      = e22 ) ),
    inference(split,[status(esa)],[zip_derived_cl61]) ).

thf(zip_derived_cl27978_245,plain,
    ( e22
    = ( op2 @ e23 @ e20 ) ),
    inference(demod,[status(thm)],[zip_derived_cl22641,zip_derived_cl22644]) ).

thf(zip_derived_cl1812,plain,
    ( ( ( op2 @ e20 @ ( op2 @ e23 @ e20 ) )
     != ( op2 @ e23 @ e20 ) )
   <= ( ( op2 @ e20 @ ( op2 @ e23 @ e20 ) )
     != ( op2 @ e23 @ e20 ) ) ),
    inference(split,[status(esa)],[zip_derived_cl269]) ).

thf(zip_derived_cl27986,plain,
    ( ( ( op2 @ e20 @ e22 )
     != e22 )
   <= ( ( op2 @ e20 @ ( op2 @ e23 @ e20 ) )
     != ( op2 @ e23 @ e20 ) ) ),
    inference('s_sup-',[status(thm)],[zip_derived_cl27978,zip_derived_cl1812]) ).

thf(zip_derived_cl28015,plain,
    ( ( e22 != e22 )
   <= ( ( ( op2 @ e20 @ ( op2 @ e23 @ e20 ) )
       != ( op2 @ e23 @ e20 ) )
      & ( ( op2 @ e20 @ e22 )
        = e22 ) ) ),
    inference('s_sup-',[status(thm)],[zip_derived_cl1580,zip_derived_cl27986]) ).

thf('217',plain,
    ( ( ( op2 @ e20 @ e22 )
     != e22 )
    | ( ( op2 @ e20 @ ( op2 @ e23 @ e20 ) )
      = ( op2 @ e23 @ e20 ) ) ),
    inference(simplify,[status(thm)],[zip_derived_cl28015]) ).

thf(zip_derived_cl64,plain,
    ( ( ( op2 @ e23 @ e23 )
      = e23 )
    | ( ( op2 @ e22 @ e23 )
      = e23 )
    | ( ( op2 @ e21 @ e23 )
      = e23 )
    | ( ( op2 @ e20 @ e23 )
      = e23 ) ),
    inference(cnf,[status(esa)],[ax4]) ).

thf('218',plain,
    ( ( ( op2 @ e20 @ e23 )
      = e23 )
    | ( ( op2 @ e21 @ e23 )
      = e23 )
    | ( ( op2 @ e23 @ e23 )
      = e23 )
    | ( ( op2 @ e22 @ e23 )
      = e23 ) ),
    inference(split,[status(esa)],[zip_derived_cl64]) ).

thf(zip_derived_cl74,plain,
    ( ( ( op2 @ e23 @ e22 )
      = e22 )
    | ( ( op2 @ e22 @ e22 )
      = e22 )
    | ( ( op2 @ e21 @ e22 )
      = e22 )
    | ( ( op2 @ e20 @ e22 )
      = e22 ) ),
    inference(cnf,[status(esa)],[ax4]) ).

thf('219',plain,
    ( ( ( op2 @ e22 @ e22 )
      = e22 )
    | ( ( op2 @ e20 @ e22 )
      = e22 )
    | ( ( op2 @ e21 @ e22 )
      = e22 )
    | ( ( op2 @ e23 @ e22 )
      = e22 ) ),
    inference(split,[status(esa)],[zip_derived_cl74]) ).

thf(zip_derived_cl1532_246,plain,
    ( ( ( op2 @ e23 @ e22 )
      = e22 )
   <= ( ( op2 @ e23 @ e22 )
      = e22 ) ),
    inference(split,[status(esa)],[zip_derived_cl49]) ).

thf(zip_derived_cl1530_247,plain,
    ( ( ( op2 @ e23 @ e22 )
      = e20 )
   <= ( ( op2 @ e23 @ e22 )
      = e20 ) ),
    inference(split,[status(esa)],[zip_derived_cl49]) ).

thf(zip_derived_cl24499,plain,
    ( ( e22 = e20 )
   <= ( ( ( op2 @ e23 @ e22 )
        = e20 )
      & ( ( op2 @ e23 @ e22 )
        = e22 ) ) ),
    inference('s_sup+',[status(thm)],[zip_derived_cl1532,zip_derived_cl1530]) ).

thf(zip_derived_cl202_248,plain,
    e20 != e22,
    inference(cnf,[status(esa)],[ax8]) ).

thf('220',plain,
    ( ( ( op2 @ e23 @ e22 )
     != e22 )
    | ( ( op2 @ e23 @ e22 )
     != e20 ) ),
    inference('simplify_reflect-',[status(thm)],[zip_derived_cl24499,zip_derived_cl202]) ).

thf(zip_derived_cl1565_249,plain,
    ( ( ( op2 @ e21 @ e22 )
      = e23 )
   <= ( ( op2 @ e21 @ e22 )
      = e23 ) ),
    inference(split,[status(esa)],[zip_derived_cl57]) ).

thf(zip_derived_cl1561_250,plain,
    ( ( ( op2 @ e21 @ e23 )
      = e23 )
   <= ( ( op2 @ e21 @ e23 )
      = e23 ) ),
    inference(split,[status(esa)],[zip_derived_cl56]) ).

thf(zip_derived_cl156,plain,
    ( ( op2 @ e21 @ e22 )
   != ( op2 @ e21 @ e23 ) ),
    inference(cnf,[status(esa)],[ax6]) ).

thf(zip_derived_cl25011,plain,
    ( ( ( op2 @ e21 @ e22 )
     != e23 )
   <= ( ( op2 @ e21 @ e23 )
      = e23 ) ),
    inference('s_sup-',[status(thm)],[zip_derived_cl1561,zip_derived_cl156]) ).

thf(zip_derived_cl27010,plain,
    ( ( e23 != e23 )
   <= ( ( ( op2 @ e21 @ e23 )
        = e23 )
      & ( ( op2 @ e21 @ e22 )
        = e23 ) ) ),
    inference('s_sup-',[status(thm)],[zip_derived_cl1565,zip_derived_cl25011]) ).

thf('221',plain,
    ( ( ( op2 @ e21 @ e23 )
     != e23 )
    | ( ( op2 @ e21 @ e22 )
     != e23 ) ),
    inference(simplify,[status(thm)],[zip_derived_cl27010]) ).

thf(zip_derived_cl1565_251,plain,
    ( ( ( op2 @ e21 @ e22 )
      = e23 )
   <= ( ( op2 @ e21 @ e22 )
      = e23 ) ),
    inference(split,[status(esa)],[zip_derived_cl57]) ).

thf(zip_derived_cl1564_252,plain,
    ( ( ( op2 @ e21 @ e22 )
      = e22 )
   <= ( ( op2 @ e21 @ e22 )
      = e22 ) ),
    inference(split,[status(esa)],[zip_derived_cl57]) ).

thf(zip_derived_cl25081,plain,
    ( ( e23 = e22 )
   <= ( ( ( op2 @ e21 @ e22 )
        = e22 )
      & ( ( op2 @ e21 @ e22 )
        = e23 ) ) ),
    inference('s_sup+',[status(thm)],[zip_derived_cl1565,zip_derived_cl1564]) ).

thf(zip_derived_cl198_253,plain,
    e22 != e23,
    inference(cnf,[status(esa)],[ax8]) ).

thf('222',plain,
    ( ( ( op2 @ e21 @ e22 )
     != e22 )
    | ( ( op2 @ e21 @ e22 )
     != e23 ) ),
    inference('simplify_reflect-',[status(thm)],[zip_derived_cl25081,zip_derived_cl198]) ).

thf(zip_derived_cl261,plain,
    ( ( ( op2 @ e20 @ ( op2 @ e21 @ e20 ) )
     != ( op2 @ e21 @ e20 ) )
    | ~ zip_tseitin_5 ),
    inference(cnf,[status(esa)],[zf_stmt_9]) ).

thf('223',plain,
    ( ( ( op2 @ e20 @ ( op2 @ e21 @ e20 ) )
     != ( op2 @ e21 @ e20 ) )
    | ~ zip_tseitin_5 ),
    inference(split,[status(esa)],[zip_derived_cl261]) ).

thf(zip_derived_cl1583,plain,
    ( ( ( op2 @ e20 @ e21 )
      = e21 )
   <= ( ( op2 @ e20 @ e21 )
      = e21 ) ),
    inference(split,[status(esa)],[zip_derived_cl62]) ).

thf(zip_derived_cl1796,plain,
    ( ( ( op2 @ e20 @ ( op2 @ e21 @ e20 ) )
     != ( op2 @ e21 @ e20 ) )
   <= ( ( op2 @ e20 @ ( op2 @ e21 @ e20 ) )
     != ( op2 @ e21 @ e20 ) ) ),
    inference(split,[status(esa)],[zip_derived_cl261]) ).

thf(zip_derived_cl25165_254,plain,
    ( ( op2 @ e21 @ e20 )
    = e21 ),
    inference(simpl_trail,[status(thm)],[zip_derived_cl1571,'161']) ).

thf(zip_derived_cl25165_255,plain,
    ( ( op2 @ e21 @ e20 )
    = e21 ),
    inference(simpl_trail,[status(thm)],[zip_derived_cl1571,'161']) ).

thf(zip_derived_cl27287,plain,
    ( ( ( op2 @ e20 @ e21 )
     != e21 )
   <= ( ( op2 @ e20 @ ( op2 @ e21 @ e20 ) )
     != ( op2 @ e21 @ e20 ) ) ),
    inference(demod,[status(thm)],[zip_derived_cl1796,zip_derived_cl25165,zip_derived_cl25165]) ).

thf(zip_derived_cl27289,plain,
    ( ( e21 != e21 )
   <= ( ( ( op2 @ e20 @ ( op2 @ e21 @ e20 ) )
       != ( op2 @ e21 @ e20 ) )
      & ( ( op2 @ e20 @ e21 )
        = e21 ) ) ),
    inference('s_sup-',[status(thm)],[zip_derived_cl1583,zip_derived_cl27287]) ).

thf('224',plain,
    ( ( ( op2 @ e20 @ e21 )
     != e21 )
    | ( ( op2 @ e20 @ ( op2 @ e21 @ e20 ) )
      = ( op2 @ e21 @ e20 ) ) ),
    inference(simplify,[status(thm)],[zip_derived_cl27289]) ).

thf(zip_derived_cl84,plain,
    ( ( ( op2 @ e23 @ e21 )
      = e21 )
    | ( ( op2 @ e22 @ e21 )
      = e21 )
    | ( ( op2 @ e21 @ e21 )
      = e21 )
    | ( ( op2 @ e20 @ e21 )
      = e21 ) ),
    inference(cnf,[status(esa)],[ax4]) ).

thf('225',plain,
    ( ( ( op2 @ e22 @ e21 )
      = e21 )
    | ( ( op2 @ e20 @ e21 )
      = e21 )
    | ( ( op2 @ e23 @ e21 )
      = e21 )
    | ( ( op2 @ e21 @ e21 )
      = e21 ) ),
    inference(split,[status(esa)],[zip_derived_cl84]) ).

thf(zip_derived_cl24569_256,plain,
    ( ( op2 @ e23 @ e21 )
    = e23 ),
    inference(simpl_trail,[status(thm)],[zip_derived_cl1537,'83']) ).

thf(zip_derived_cl1535,plain,
    ( ( ( op2 @ e23 @ e21 )
      = e21 )
   <= ( ( op2 @ e23 @ e21 )
      = e21 ) ),
    inference(split,[status(esa)],[zip_derived_cl50]) ).

thf(zip_derived_cl24575,plain,
    ( ( e23 = e21 )
   <= ( ( op2 @ e23 @ e21 )
      = e21 ) ),
    inference('s_sup+',[status(thm)],[zip_derived_cl24569,zip_derived_cl1535]) ).

thf(zip_derived_cl199_257,plain,
    e21 != e23,
    inference(cnf,[status(esa)],[ax8]) ).

thf('226',plain,
    ( ( op2 @ e23 @ e21 )
   != e21 ),
    inference('simplify_reflect-',[status(thm)],[zip_derived_cl24575,zip_derived_cl199]) ).

thf(zip_derived_cl1551_258,plain,
    ( ( ( op2 @ e22 @ e21 )
      = e21 )
   <= ( ( op2 @ e22 @ e21 )
      = e21 ) ),
    inference(split,[status(esa)],[zip_derived_cl54]) ).

thf(zip_derived_cl1547,plain,
    ( ( ( op2 @ e22 @ e22 )
      = e21 )
   <= ( ( op2 @ e22 @ e22 )
      = e21 ) ),
    inference(split,[status(esa)],[zip_derived_cl53]) ).

thf(zip_derived_cl152_259,plain,
    ( ( op2 @ e22 @ e21 )
   != ( op2 @ e22 @ e22 ) ),
    inference(cnf,[status(esa)],[ax6]) ).

thf(zip_derived_cl24758,plain,
    ( ( ( op2 @ e22 @ e21 )
     != e21 )
   <= ( ( op2 @ e22 @ e22 )
      = e21 ) ),
    inference('s_sup-',[status(thm)],[zip_derived_cl1547,zip_derived_cl152]) ).

thf(zip_derived_cl26826,plain,
    ( ( e21 != e21 )
   <= ( ( ( op2 @ e22 @ e22 )
        = e21 )
      & ( ( op2 @ e22 @ e21 )
        = e21 ) ) ),
    inference('s_sup-',[status(thm)],[zip_derived_cl1551,zip_derived_cl24758]) ).

thf('227',plain,
    ( ( ( op2 @ e22 @ e22 )
     != e21 )
    | ( ( op2 @ e22 @ e21 )
     != e21 ) ),
    inference(simplify,[status(thm)],[zip_derived_cl26826]) ).

thf(zip_derived_cl1548_260,plain,
    ( ( ( op2 @ e22 @ e22 )
      = e22 )
   <= ( ( op2 @ e22 @ e22 )
      = e22 ) ),
    inference(split,[status(esa)],[zip_derived_cl53]) ).

thf(zip_derived_cl1547_261,plain,
    ( ( ( op2 @ e22 @ e22 )
      = e21 )
   <= ( ( op2 @ e22 @ e22 )
      = e21 ) ),
    inference(split,[status(esa)],[zip_derived_cl53]) ).

thf(zip_derived_cl24786,plain,
    ( ( e22 = e21 )
   <= ( ( ( op2 @ e22 @ e22 )
        = e21 )
      & ( ( op2 @ e22 @ e22 )
        = e22 ) ) ),
    inference('s_sup+',[status(thm)],[zip_derived_cl1548,zip_derived_cl1547]) ).

thf(zip_derived_cl200_262,plain,
    e21 != e22,
    inference(cnf,[status(esa)],[ax8]) ).

thf('228',plain,
    ( ( ( op2 @ e22 @ e22 )
     != e21 )
    | ( ( op2 @ e22 @ e22 )
     != e22 ) ),
    inference('simplify_reflect-',[status(thm)],[zip_derived_cl24786,zip_derived_cl200]) ).

thf(zip_derived_cl276,plain,
    ( ( ( op2 @ e22 @ e21 )
      = e22 )
    | ( ( op2 @ e22 @ e22 )
     != e21 ) ),
    inference(cnf,[status(esa)],[zf_stmt_17]) ).

thf('229',plain,
    ( ( ( op2 @ e22 @ e22 )
     != e21 )
    | ( ( op2 @ e22 @ e21 )
      = e22 ) ),
    inference(split,[status(esa)],[zip_derived_cl276]) ).

thf(zip_derived_cl287,plain,
    ( zip_tseitin_7
    | zip_tseitin_6
    | zip_tseitin_5
    | zip_tseitin_4 ),
    inference(cnf,[status(esa)],[zf_stmt_17]) ).

thf('230',plain,
    ( zip_tseitin_5
    | zip_tseitin_7
    | zip_tseitin_4
    | zip_tseitin_6 ),
    inference(split,[status(esa)],[zip_derived_cl287]) ).

thf(zip_derived_cl257,plain,
    ( ( ( op2 @ e20 @ ( op2 @ e20 @ e20 ) )
     != ( op2 @ e20 @ e20 ) )
    | ~ zip_tseitin_4 ),
    inference(cnf,[status(esa)],[zf_stmt_10]) ).

thf('231',plain,
    ( ~ zip_tseitin_4
    | ( ( op2 @ e20 @ ( op2 @ e20 @ e20 ) )
     != ( op2 @ e20 @ e20 ) ) ),
    inference(split,[status(esa)],[zip_derived_cl257]) ).

thf(zip_derived_cl1542,plain,
    ( ( ( op2 @ e22 @ e23 )
      = e20 )
   <= ( ( op2 @ e22 @ e23 )
      = e20 ) ),
    inference(split,[status(esa)],[zip_derived_cl52]) ).

thf(zip_derived_cl1350_263,plain,
    ( ( ( op1 @ e12 @ e13 )
      = e10 )
   <= ( ( op1 @ e12 @ e13 )
      = e10 ) ),
    inference(split,[status(esa)],[zip_derived_cl4]) ).

thf(zip_derived_cl17217,plain,
    ( ( ( h4 @ ( op1 @ e12 @ e13 ) )
     != ( op2 @ ( h4 @ e12 ) @ ( h4 @ e13 ) ) )
   <= ( ( h4 @ ( op1 @ e12 @ e13 ) )
     != ( op2 @ ( h4 @ e12 ) @ ( h4 @ e13 ) ) ) ),
    inference(split,[status(esa)],[zip_derived_cl1078]) ).

thf(zip_derived_cl27983_264,plain,
    ( ( h4 @ e12 )
    = e22 ),
    inference(demod,[status(thm)],[zip_derived_cl22736,zip_derived_cl27978]) ).

thf(zip_derived_cl309_265,plain,
    ( ( h4 @ e13 )
    = e23 ),
    inference(cnf,[status(esa)],[ax17]) ).

thf(zip_derived_cl41021,plain,
    ( ( ( h4 @ ( op1 @ e12 @ e13 ) )
     != ( op2 @ e22 @ e23 ) )
   <= ( ( h4 @ ( op1 @ e12 @ e13 ) )
     != ( op2 @ ( h4 @ e12 ) @ ( h4 @ e13 ) ) ) ),
    inference(demod,[status(thm)],[zip_derived_cl17217,zip_derived_cl27983,zip_derived_cl309]) ).

thf(zip_derived_cl41022,plain,
    ( ( ( h4 @ e10 )
     != ( op2 @ e22 @ e23 ) )
   <= ( ( ( h4 @ ( op1 @ e12 @ e13 ) )
       != ( op2 @ ( h4 @ e12 ) @ ( h4 @ e13 ) ) )
      & ( ( op1 @ e12 @ e13 )
        = e10 ) ) ),
    inference('s_sup-',[status(thm)],[zip_derived_cl1350,zip_derived_cl41021]) ).

thf(zip_derived_cl22757_266,plain,
    ( ( h4 @ e10 )
    = e20 ),
    inference(demod,[status(thm)],[zip_derived_cl308,zip_derived_cl292,zip_derived_cl292,zip_derived_cl22644]) ).

thf(zip_derived_cl41024,plain,
    ( ( e20
     != ( op2 @ e22 @ e23 ) )
   <= ( ( ( h4 @ ( op1 @ e12 @ e13 ) )
       != ( op2 @ ( h4 @ e12 ) @ ( h4 @ e13 ) ) )
      & ( ( op1 @ e12 @ e13 )
        = e10 ) ) ),
    inference(demod,[status(thm)],[zip_derived_cl41022,zip_derived_cl22757]) ).

thf(zip_derived_cl41036,plain,
    ( ( e20 != e20 )
   <= ( ( ( h4 @ ( op1 @ e12 @ e13 ) )
       != ( op2 @ ( h4 @ e12 ) @ ( h4 @ e13 ) ) )
      & ( ( op1 @ e12 @ e13 )
        = e10 )
      & ( ( op2 @ e22 @ e23 )
        = e20 ) ) ),
    inference('s_sup-',[status(thm)],[zip_derived_cl1542,zip_derived_cl41024]) ).

thf('232',plain,
    ( ( ( h4 @ ( op1 @ e12 @ e13 ) )
      = ( op2 @ ( h4 @ e12 ) @ ( h4 @ e13 ) ) )
    | ( ( op1 @ e12 @ e13 )
     != e10 )
    | ( ( op2 @ e22 @ e23 )
     != e20 ) ),
    inference(simplify,[status(thm)],[zip_derived_cl41036]) ).

thf(zip_derived_cl1586_267,plain,
    ( ( ( op2 @ e20 @ e20 )
      = e20 )
   <= ( ( op2 @ e20 @ e20 )
      = e20 ) ),
    inference(split,[status(esa)],[zip_derived_cl63]) ).

thf(zip_derived_cl1394_268,plain,
    ( ( ( op1 @ e10 @ e10 )
      = e10 )
   <= ( ( op1 @ e10 @ e10 )
      = e10 ) ),
    inference(split,[status(esa)],[zip_derived_cl15]) ).

thf(zip_derived_cl17206,plain,
    ( ( ( h4 @ ( op1 @ e10 @ e10 ) )
     != ( op2 @ ( h4 @ e10 ) @ ( h4 @ e10 ) ) )
   <= ( ( h4 @ ( op1 @ e10 @ e10 ) )
     != ( op2 @ ( h4 @ e10 ) @ ( h4 @ e10 ) ) ) ),
    inference(split,[status(esa)],[zip_derived_cl1078]) ).

thf(zip_derived_cl22757_269,plain,
    ( ( h4 @ e10 )
    = e20 ),
    inference(demod,[status(thm)],[zip_derived_cl308,zip_derived_cl292,zip_derived_cl292,zip_derived_cl22644]) ).

thf(zip_derived_cl22757_270,plain,
    ( ( h4 @ e10 )
    = e20 ),
    inference(demod,[status(thm)],[zip_derived_cl308,zip_derived_cl292,zip_derived_cl292,zip_derived_cl22644]) ).

thf(zip_derived_cl40979,plain,
    ( ( ( h4 @ ( op1 @ e10 @ e10 ) )
     != ( op2 @ e20 @ e20 ) )
   <= ( ( h4 @ ( op1 @ e10 @ e10 ) )
     != ( op2 @ ( h4 @ e10 ) @ ( h4 @ e10 ) ) ) ),
    inference(demod,[status(thm)],[zip_derived_cl17206,zip_derived_cl22757,zip_derived_cl22757]) ).

thf(zip_derived_cl40980,plain,
    ( ( ( h4 @ e10 )
     != ( op2 @ e20 @ e20 ) )
   <= ( ( ( h4 @ ( op1 @ e10 @ e10 ) )
       != ( op2 @ ( h4 @ e10 ) @ ( h4 @ e10 ) ) )
      & ( ( op1 @ e10 @ e10 )
        = e10 ) ) ),
    inference('s_sup-',[status(thm)],[zip_derived_cl1394,zip_derived_cl40979]) ).

thf(zip_derived_cl22757_271,plain,
    ( ( h4 @ e10 )
    = e20 ),
    inference(demod,[status(thm)],[zip_derived_cl308,zip_derived_cl292,zip_derived_cl292,zip_derived_cl22644]) ).

thf(zip_derived_cl40982,plain,
    ( ( e20
     != ( op2 @ e20 @ e20 ) )
   <= ( ( ( h4 @ ( op1 @ e10 @ e10 ) )
       != ( op2 @ ( h4 @ e10 ) @ ( h4 @ e10 ) ) )
      & ( ( op1 @ e10 @ e10 )
        = e10 ) ) ),
    inference(demod,[status(thm)],[zip_derived_cl40980,zip_derived_cl22757]) ).

thf(zip_derived_cl40984,plain,
    ( ( e20 != e20 )
   <= ( ( ( h4 @ ( op1 @ e10 @ e10 ) )
       != ( op2 @ ( h4 @ e10 ) @ ( h4 @ e10 ) ) )
      & ( ( op1 @ e10 @ e10 )
        = e10 )
      & ( ( op2 @ e20 @ e20 )
        = e20 ) ) ),
    inference('s_sup-',[status(thm)],[zip_derived_cl1586,zip_derived_cl40982]) ).

thf('233',plain,
    ( ( ( h4 @ ( op1 @ e10 @ e10 ) )
      = ( op2 @ ( h4 @ e10 ) @ ( h4 @ e10 ) ) )
    | ( ( op1 @ e10 @ e10 )
     != e10 )
    | ( ( op2 @ e20 @ e20 )
     != e20 ) ),
    inference(simplify,[status(thm)],[zip_derived_cl40984]) ).

thf(zip_derived_cl1586_272,plain,
    ( ( ( op2 @ e20 @ e20 )
      = e20 )
   <= ( ( op2 @ e20 @ e20 )
      = e20 ) ),
    inference(split,[status(esa)],[zip_derived_cl63]) ).

thf(zip_derived_cl1788,plain,
    ( ( ( op2 @ e20 @ ( op2 @ e20 @ e20 ) )
     != ( op2 @ e20 @ e20 ) )
   <= ( ( op2 @ e20 @ ( op2 @ e20 @ e20 ) )
     != ( op2 @ e20 @ e20 ) ) ),
    inference(split,[status(esa)],[zip_derived_cl257]) ).

thf(zip_derived_cl27269,plain,
    ( ( ( op2 @ e20 @ e20 )
     != e20 )
   <= ( ( ( op2 @ e20 @ ( op2 @ e20 @ e20 ) )
       != ( op2 @ e20 @ e20 ) )
      & ( ( op2 @ e20 @ e20 )
        = e20 ) ) ),
    inference('s_sup-',[status(thm)],[zip_derived_cl1586,zip_derived_cl1788]) ).

thf(zip_derived_cl1586_273,plain,
    ( ( ( op2 @ e20 @ e20 )
      = e20 )
   <= ( ( op2 @ e20 @ e20 )
      = e20 ) ),
    inference(split,[status(esa)],[zip_derived_cl63]) ).

thf(zip_derived_cl27273,plain,
    ( ( e20 != e20 )
   <= ( ( ( op2 @ e20 @ ( op2 @ e20 @ e20 ) )
       != ( op2 @ e20 @ e20 ) )
      & ( ( op2 @ e20 @ e20 )
        = e20 ) ) ),
    inference(demod,[status(thm)],[zip_derived_cl27269,zip_derived_cl1586]) ).

thf('234',plain,
    ( ( ( op2 @ e20 @ ( op2 @ e20 @ e20 ) )
      = ( op2 @ e20 @ e20 ) )
    | ( ( op2 @ e20 @ e20 )
     != e20 ) ),
    inference(simplify,[status(thm)],[zip_derived_cl27273]) ).

thf(zip_derived_cl79,plain,
    ( ( ( op2 @ e22 @ e23 )
      = e20 )
    | ( ( op2 @ e22 @ e22 )
      = e20 )
    | ( ( op2 @ e22 @ e21 )
      = e20 )
    | ( ( op2 @ e22 @ e20 )
      = e20 ) ),
    inference(cnf,[status(esa)],[ax4]) ).

thf('235',plain,
    ( ( ( op2 @ e22 @ e23 )
      = e20 )
    | ( ( op2 @ e22 @ e20 )
      = e20 )
    | ( ( op2 @ e22 @ e21 )
      = e20 )
    | ( ( op2 @ e22 @ e22 )
      = e20 ) ),
    inference(split,[status(esa)],[zip_derived_cl79]) ).

thf(zip_derived_cl1550,plain,
    ( ( ( op2 @ e22 @ e21 )
      = e20 )
   <= ( ( op2 @ e22 @ e21 )
      = e20 ) ),
    inference(split,[status(esa)],[zip_derived_cl54]) ).

thf(zip_derived_cl182,plain,
    ( ( op2 @ e21 @ e21 )
   != ( op2 @ e22 @ e21 ) ),
    inference(cnf,[status(esa)],[ax6]) ).

thf(zip_derived_cl22644_274,plain,
    ( e20
    = ( op2 @ e21 @ e21 ) ),
    inference(demod,[status(thm)],[zip_derived_cl293,zip_derived_cl292,zip_derived_cl292]) ).

thf(zip_derived_cl22649,plain,
    ( e20
   != ( op2 @ e22 @ e21 ) ),
    inference(demod,[status(thm)],[zip_derived_cl182,zip_derived_cl22644]) ).

thf(zip_derived_cl27658,plain,
    ( ( e20 != e20 )
   <= ( ( op2 @ e22 @ e21 )
      = e20 ) ),
    inference('s_sup-',[status(thm)],[zip_derived_cl1550,zip_derived_cl22649]) ).

thf('236',plain,
    ( ( op2 @ e22 @ e21 )
   != e20 ),
    inference(simplify,[status(thm)],[zip_derived_cl27658]) ).

thf(zip_derived_cl1546,plain,
    ( ( ( op2 @ e22 @ e22 )
      = e20 )
   <= ( ( op2 @ e22 @ e22 )
      = e20 ) ),
    inference(split,[status(esa)],[zip_derived_cl53]) ).

thf(zip_derived_cl1530_275,plain,
    ( ( ( op2 @ e23 @ e22 )
      = e20 )
   <= ( ( op2 @ e23 @ e22 )
      = e20 ) ),
    inference(split,[status(esa)],[zip_derived_cl49]) ).

thf(zip_derived_cl174,plain,
    ( ( op2 @ e22 @ e22 )
   != ( op2 @ e23 @ e22 ) ),
    inference(cnf,[status(esa)],[ax6]) ).

thf(zip_derived_cl24471,plain,
    ( ( ( op2 @ e22 @ e22 )
     != e20 )
   <= ( ( op2 @ e23 @ e22 )
      = e20 ) ),
    inference('s_sup-',[status(thm)],[zip_derived_cl1530,zip_derived_cl174]) ).

thf(zip_derived_cl26612,plain,
    ( ( e20 != e20 )
   <= ( ( ( op2 @ e23 @ e22 )
        = e20 )
      & ( ( op2 @ e22 @ e22 )
        = e20 ) ) ),
    inference('s_sup-',[status(thm)],[zip_derived_cl1546,zip_derived_cl24471]) ).

thf('237',plain,
    ( ( ( op2 @ e22 @ e22 )
     != e20 )
    | ( ( op2 @ e23 @ e22 )
     != e20 ) ),
    inference(simplify,[status(thm)],[zip_derived_cl26612]) ).

thf(zip_derived_cl94,plain,
    ( ( ( op2 @ e23 @ e20 )
      = e20 )
    | ( ( op2 @ e22 @ e20 )
      = e20 )
    | ( ( op2 @ e21 @ e20 )
      = e20 )
    | ( ( op2 @ e20 @ e20 )
      = e20 ) ),
    inference(cnf,[status(esa)],[ax4]) ).

thf('238',plain,
    ( ( ( op2 @ e20 @ e20 )
      = e20 )
    | ( ( op2 @ e22 @ e20 )
      = e20 )
    | ( ( op2 @ e21 @ e20 )
      = e20 )
    | ( ( op2 @ e23 @ e20 )
      = e20 ) ),
    inference(split,[status(esa)],[zip_derived_cl94]) ).

thf(zip_derived_cl25165_276,plain,
    ( ( op2 @ e21 @ e20 )
    = e21 ),
    inference(simpl_trail,[status(thm)],[zip_derived_cl1571,'161']) ).

thf(zip_derived_cl1570,plain,
    ( ( ( op2 @ e21 @ e20 )
      = e20 )
   <= ( ( op2 @ e21 @ e20 )
      = e20 ) ),
    inference(split,[status(esa)],[zip_derived_cl59]) ).

thf(zip_derived_cl25171,plain,
    ( ( e21 = e20 )
   <= ( ( op2 @ e21 @ e20 )
      = e20 ) ),
    inference('s_sup+',[status(thm)],[zip_derived_cl25165,zip_derived_cl1570]) ).

thf(zip_derived_cl203_277,plain,
    e20 != e21,
    inference(cnf,[status(esa)],[ax8]) ).

thf('239',plain,
    ( ( op2 @ e21 @ e20 )
   != e20 ),
    inference('simplify_reflect-',[status(thm)],[zip_derived_cl25171,zip_derived_cl203]) ).

thf(zip_derived_cl1557_278,plain,
    ( ( ( op2 @ e22 @ e20 )
      = e23 )
   <= ( ( op2 @ e22 @ e20 )
      = e23 ) ),
    inference(split,[status(esa)],[zip_derived_cl55]) ).

thf(zip_derived_cl1365_279,plain,
    ( ( ( op1 @ e12 @ e10 )
      = e13 )
   <= ( ( op1 @ e12 @ e10 )
      = e13 ) ),
    inference(split,[status(esa)],[zip_derived_cl7]) ).

thf(zip_derived_cl17214,plain,
    ( ( ( h4 @ ( op1 @ e12 @ e10 ) )
     != ( op2 @ ( h4 @ e12 ) @ ( h4 @ e10 ) ) )
   <= ( ( h4 @ ( op1 @ e12 @ e10 ) )
     != ( op2 @ ( h4 @ e12 ) @ ( h4 @ e10 ) ) ) ),
    inference(split,[status(esa)],[zip_derived_cl1078]) ).

thf(zip_derived_cl27983_280,plain,
    ( ( h4 @ e12 )
    = e22 ),
    inference(demod,[status(thm)],[zip_derived_cl22736,zip_derived_cl27978]) ).

thf(zip_derived_cl22757_281,plain,
    ( ( h4 @ e10 )
    = e20 ),
    inference(demod,[status(thm)],[zip_derived_cl308,zip_derived_cl292,zip_derived_cl292,zip_derived_cl22644]) ).

thf(zip_derived_cl41007,plain,
    ( ( ( h4 @ ( op1 @ e12 @ e10 ) )
     != ( op2 @ e22 @ e20 ) )
   <= ( ( h4 @ ( op1 @ e12 @ e10 ) )
     != ( op2 @ ( h4 @ e12 ) @ ( h4 @ e10 ) ) ) ),
    inference(demod,[status(thm)],[zip_derived_cl17214,zip_derived_cl27983,zip_derived_cl22757]) ).

thf(zip_derived_cl41009,plain,
    ( ( ( h4 @ e13 )
     != ( op2 @ e22 @ e20 ) )
   <= ( ( ( h4 @ ( op1 @ e12 @ e10 ) )
       != ( op2 @ ( h4 @ e12 ) @ ( h4 @ e10 ) ) )
      & ( ( op1 @ e12 @ e10 )
        = e13 ) ) ),
    inference('s_sup-',[status(thm)],[zip_derived_cl1365,zip_derived_cl41007]) ).

thf(zip_derived_cl309_282,plain,
    ( ( h4 @ e13 )
    = e23 ),
    inference(cnf,[status(esa)],[ax17]) ).

thf(zip_derived_cl41011,plain,
    ( ( e23
     != ( op2 @ e22 @ e20 ) )
   <= ( ( ( h4 @ ( op1 @ e12 @ e10 ) )
       != ( op2 @ ( h4 @ e12 ) @ ( h4 @ e10 ) ) )
      & ( ( op1 @ e12 @ e10 )
        = e13 ) ) ),
    inference(demod,[status(thm)],[zip_derived_cl41009,zip_derived_cl309]) ).

thf(zip_derived_cl41034,plain,
    ( ( e23 != e23 )
   <= ( ( ( h4 @ ( op1 @ e12 @ e10 ) )
       != ( op2 @ ( h4 @ e12 ) @ ( h4 @ e10 ) ) )
      & ( ( op1 @ e12 @ e10 )
        = e13 )
      & ( ( op2 @ e22 @ e20 )
        = e23 ) ) ),
    inference('s_sup-',[status(thm)],[zip_derived_cl1557,zip_derived_cl41011]) ).

thf('240',plain,
    ( ( ( h4 @ ( op1 @ e12 @ e10 ) )
      = ( op2 @ ( h4 @ e12 ) @ ( h4 @ e10 ) ) )
    | ( ( op1 @ e12 @ e10 )
     != e13 )
    | ( ( op2 @ e22 @ e20 )
     != e23 ) ),
    inference(simplify,[status(thm)],[zip_derived_cl41034]) ).

thf(zip_derived_cl1589_283,plain,
    ( ( ( op2 @ e20 @ e20 )
      = e23 )
   <= ( ( op2 @ e20 @ e20 )
      = e23 ) ),
    inference(split,[status(esa)],[zip_derived_cl63]) ).

thf(zip_derived_cl1557_284,plain,
    ( ( ( op2 @ e22 @ e20 )
      = e23 )
   <= ( ( op2 @ e22 @ e20 )
      = e23 ) ),
    inference(split,[status(esa)],[zip_derived_cl55]) ).

thf(zip_derived_cl190_285,plain,
    ( ( op2 @ e20 @ e20 )
   != ( op2 @ e22 @ e20 ) ),
    inference(cnf,[status(esa)],[ax6]) ).

thf(zip_derived_cl24941,plain,
    ( ( ( op2 @ e20 @ e20 )
     != e23 )
   <= ( ( op2 @ e22 @ e20 )
      = e23 ) ),
    inference('s_sup-',[status(thm)],[zip_derived_cl1557,zip_derived_cl190]) ).

thf(zip_derived_cl26976,plain,
    ( ( e23 != e23 )
   <= ( ( ( op2 @ e22 @ e20 )
        = e23 )
      & ( ( op2 @ e20 @ e20 )
        = e23 ) ) ),
    inference('s_sup-',[status(thm)],[zip_derived_cl1589,zip_derived_cl24941]) ).

thf('241',plain,
    ( ( ( op2 @ e20 @ e20 )
     != e23 )
    | ( ( op2 @ e22 @ e20 )
     != e23 ) ),
    inference(simplify,[status(thm)],[zip_derived_cl26976]) ).

thf(zip_derived_cl1557_286,plain,
    ( ( ( op2 @ e22 @ e20 )
      = e23 )
   <= ( ( op2 @ e22 @ e20 )
      = e23 ) ),
    inference(split,[status(esa)],[zip_derived_cl55]) ).

thf(zip_derived_cl1549_287,plain,
    ( ( ( op2 @ e22 @ e22 )
      = e23 )
   <= ( ( op2 @ e22 @ e22 )
      = e23 ) ),
    inference(split,[status(esa)],[zip_derived_cl53]) ).

thf(zip_derived_cl154,plain,
    ( ( op2 @ e22 @ e20 )
   != ( op2 @ e22 @ e22 ) ),
    inference(cnf,[status(esa)],[ax6]) ).

thf(zip_derived_cl24803,plain,
    ( ( ( op2 @ e22 @ e20 )
     != e23 )
   <= ( ( op2 @ e22 @ e22 )
      = e23 ) ),
    inference('s_sup-',[status(thm)],[zip_derived_cl1549,zip_derived_cl154]) ).

thf(zip_derived_cl26878,plain,
    ( ( e23 != e23 )
   <= ( ( ( op2 @ e22 @ e22 )
        = e23 )
      & ( ( op2 @ e22 @ e20 )
        = e23 ) ) ),
    inference('s_sup-',[status(thm)],[zip_derived_cl1557,zip_derived_cl24803]) ).

thf('242',plain,
    ( ( ( op2 @ e22 @ e22 )
     != e23 )
    | ( ( op2 @ e22 @ e20 )
     != e23 ) ),
    inference(simplify,[status(thm)],[zip_derived_cl26878]) ).

thf(zip_derived_cl1557_288,plain,
    ( ( ( op2 @ e22 @ e20 )
      = e23 )
   <= ( ( op2 @ e22 @ e20 )
      = e23 ) ),
    inference(split,[status(esa)],[zip_derived_cl55]) ).

thf(zip_derived_cl1545_289,plain,
    ( ( ( op2 @ e22 @ e23 )
      = e23 )
   <= ( ( op2 @ e22 @ e23 )
      = e23 ) ),
    inference(split,[status(esa)],[zip_derived_cl52]) ).

thf(zip_derived_cl153,plain,
    ( ( op2 @ e22 @ e20 )
   != ( op2 @ e22 @ e23 ) ),
    inference(cnf,[status(esa)],[ax6]) ).

thf(zip_derived_cl24720,plain,
    ( ( ( op2 @ e22 @ e20 )
     != e23 )
   <= ( ( op2 @ e22 @ e23 )
      = e23 ) ),
    inference('s_sup-',[status(thm)],[zip_derived_cl1545,zip_derived_cl153]) ).

thf(zip_derived_cl26794,plain,
    ( ( e23 != e23 )
   <= ( ( ( op2 @ e22 @ e23 )
        = e23 )
      & ( ( op2 @ e22 @ e20 )
        = e23 ) ) ),
    inference('s_sup-',[status(thm)],[zip_derived_cl1557,zip_derived_cl24720]) ).

thf('243',plain,
    ( ( ( op2 @ e22 @ e23 )
     != e23 )
    | ( ( op2 @ e22 @ e20 )
     != e23 ) ),
    inference(simplify,[status(thm)],[zip_derived_cl26794]) ).

thf(zip_derived_cl1557_290,plain,
    ( ( ( op2 @ e22 @ e20 )
      = e23 )
   <= ( ( op2 @ e22 @ e20 )
      = e23 ) ),
    inference(split,[status(esa)],[zip_derived_cl55]) ).

thf(zip_derived_cl1554_291,plain,
    ( ( ( op2 @ e22 @ e20 )
      = e20 )
   <= ( ( op2 @ e22 @ e20 )
      = e20 ) ),
    inference(split,[status(esa)],[zip_derived_cl55]) ).

thf(zip_derived_cl24942,plain,
    ( ( e23 = e20 )
   <= ( ( ( op2 @ e22 @ e20 )
        = e20 )
      & ( ( op2 @ e22 @ e20 )
        = e23 ) ) ),
    inference('s_sup+',[status(thm)],[zip_derived_cl1557,zip_derived_cl1554]) ).

thf(zip_derived_cl201_292,plain,
    e20 != e23,
    inference(cnf,[status(esa)],[ax8]) ).

thf('244',plain,
    ( ( ( op2 @ e22 @ e20 )
     != e20 )
    | ( ( op2 @ e22 @ e20 )
     != e23 ) ),
    inference('simplify_reflect-',[status(thm)],[zip_derived_cl24942,zip_derived_cl201]) ).

thf(zip_derived_cl1118,plain,
    ( ( ( h4 @ e13 )
     != e23 )
    | ( ( h4 @ e12 )
     != e22 )
    | ( ( h4 @ e11 )
     != e21 )
    | ( ( h4 @ e10 )
     != e20 )
    | ( ( h4 @ ( op1 @ e13 @ e13 ) )
     != ( op2 @ ( h4 @ e13 ) @ ( h4 @ e13 ) ) )
    | ( ( h4 @ ( op1 @ e13 @ e12 ) )
     != ( op2 @ ( h4 @ e13 ) @ ( h4 @ e12 ) ) )
    | ( ( h4 @ ( op1 @ e13 @ e11 ) )
     != ( op2 @ ( h4 @ e13 ) @ ( h4 @ e11 ) ) )
    | ( ( h4 @ ( op1 @ e13 @ e10 ) )
     != ( op2 @ ( h4 @ e13 ) @ ( h4 @ e10 ) ) )
    | ( ( h4 @ ( op1 @ e12 @ e13 ) )
     != ( op2 @ ( h4 @ e12 ) @ ( h4 @ e13 ) ) )
    | ( ( h4 @ ( op1 @ e12 @ e12 ) )
     != ( op2 @ ( h4 @ e12 ) @ ( h4 @ e12 ) ) )
    | ( ( h4 @ ( op1 @ e12 @ e11 ) )
     != ( op2 @ ( h4 @ e12 ) @ ( h4 @ e11 ) ) )
    | ( ( h4 @ ( op1 @ e12 @ e10 ) )
     != ( op2 @ ( h4 @ e12 ) @ ( h4 @ e10 ) ) )
    | ( ( h4 @ ( op1 @ e11 @ e13 ) )
     != ( op2 @ ( h4 @ e11 ) @ ( h4 @ e13 ) ) )
    | ( ( h4 @ ( op1 @ e11 @ e12 ) )
     != ( op2 @ ( h4 @ e11 ) @ ( h4 @ e12 ) ) )
    | ( ( h4 @ ( op1 @ e11 @ e11 ) )
     != ( op2 @ ( h4 @ e11 ) @ ( h4 @ e11 ) ) )
    | ( ( h4 @ ( op1 @ e11 @ e10 ) )
     != ( op2 @ ( h4 @ e11 ) @ ( h4 @ e10 ) ) )
    | ( ( h4 @ ( op1 @ e10 @ e13 ) )
     != ( op2 @ ( h4 @ e10 ) @ ( h4 @ e13 ) ) )
    | ( ( h4 @ ( op1 @ e10 @ e12 ) )
     != ( op2 @ ( h4 @ e10 ) @ ( h4 @ e12 ) ) )
    | ( ( h4 @ ( op1 @ e10 @ e11 ) )
     != ( op2 @ ( h4 @ e10 ) @ ( h4 @ e11 ) ) )
    | ( ( h4 @ ( op1 @ e10 @ e10 ) )
     != ( op2 @ ( h4 @ e10 ) @ ( h4 @ e10 ) ) ) ),
    inference(cnf,[status(esa)],[zf_stmt_18]) ).

thf('245',plain,
    ( ( ( h4 @ ( op1 @ e10 @ e13 ) )
     != ( op2 @ ( h4 @ e10 ) @ ( h4 @ e13 ) ) )
    | ( ( h4 @ ( op1 @ e12 @ e13 ) )
     != ( op2 @ ( h4 @ e12 ) @ ( h4 @ e13 ) ) )
    | ( ( h4 @ e11 )
     != e21 )
    | ( ( h4 @ ( op1 @ e13 @ e13 ) )
     != ( op2 @ ( h4 @ e13 ) @ ( h4 @ e13 ) ) )
    | ( ( h4 @ ( op1 @ e12 @ e11 ) )
     != ( op2 @ ( h4 @ e12 ) @ ( h4 @ e11 ) ) )
    | ( ( h4 @ ( op1 @ e10 @ e11 ) )
     != ( op2 @ ( h4 @ e10 ) @ ( h4 @ e11 ) ) )
    | ( ( h4 @ ( op1 @ e10 @ e12 ) )
     != ( op2 @ ( h4 @ e10 ) @ ( h4 @ e12 ) ) )
    | ( ( h4 @ e13 )
     != e23 )
    | ( ( h4 @ ( op1 @ e13 @ e12 ) )
     != ( op2 @ ( h4 @ e13 ) @ ( h4 @ e12 ) ) )
    | ( ( h4 @ ( op1 @ e10 @ e10 ) )
     != ( op2 @ ( h4 @ e10 ) @ ( h4 @ e10 ) ) )
    | ( ( h4 @ ( op1 @ e13 @ e10 ) )
     != ( op2 @ ( h4 @ e13 ) @ ( h4 @ e10 ) ) )
    | ( ( h4 @ ( op1 @ e12 @ e12 ) )
     != ( op2 @ ( h4 @ e12 ) @ ( h4 @ e12 ) ) )
    | ( ( h4 @ ( op1 @ e11 @ e10 ) )
     != ( op2 @ ( h4 @ e11 ) @ ( h4 @ e10 ) ) )
    | ( ( h4 @ ( op1 @ e11 @ e13 ) )
     != ( op2 @ ( h4 @ e11 ) @ ( h4 @ e13 ) ) )
    | ( ( h4 @ e12 )
     != e22 )
    | ( ( h4 @ ( op1 @ e11 @ e12 ) )
     != ( op2 @ ( h4 @ e11 ) @ ( h4 @ e12 ) ) )
    | ( ( h4 @ ( op1 @ e13 @ e11 ) )
     != ( op2 @ ( h4 @ e13 ) @ ( h4 @ e11 ) ) )
    | ( ( h4 @ ( op1 @ e12 @ e10 ) )
     != ( op2 @ ( h4 @ e12 ) @ ( h4 @ e10 ) ) )
    | ( ( h4 @ e10 )
     != e20 )
    | ( ( h4 @ ( op1 @ e11 @ e11 ) )
     != ( op2 @ ( h4 @ e11 ) @ ( h4 @ e11 ) ) ) ),
    inference(split,[status(esa)],[zip_derived_cl1118]) ).

thf('246',plain,
    ( ( ( op1 @ e12 @ e13 )
      = e13 )
    | ( ( op1 @ e12 @ e10 )
      = e13 )
    | ( ( op1 @ e12 @ e11 )
      = e13 )
    | ( ( op1 @ e12 @ e12 )
      = e13 ) ),
    inference(split,[status(esa)],[zip_derived_cl25]) ).

thf(zip_derived_cl1353_293,plain,
    ( ( ( op1 @ e12 @ e13 )
      = e13 )
   <= ( ( op1 @ e12 @ e13 )
      = e13 ) ),
    inference(split,[status(esa)],[zip_derived_cl4]) ).

thf(zip_derived_cl1373_294,plain,
    ( ( ( op1 @ e11 @ e12 )
      = e13 )
   <= ( ( op1 @ e11 @ e12 )
      = e13 ) ),
    inference(split,[status(esa)],[zip_derived_cl9]) ).

thf(zip_derived_cl225,plain,
    ( ( ( op1 @ e12 @ ( op1 @ e11 @ e12 ) )
     != ( op1 @ e11 @ e12 ) )
    | ~ zip_tseitin_1 ),
    inference(cnf,[status(esa)],[zf_stmt_6]) ).

thf(zip_derived_cl1728,plain,
    ( ( ( op1 @ e12 @ ( op1 @ e11 @ e12 ) )
     != ( op1 @ e11 @ e12 ) )
   <= ( ( op1 @ e12 @ ( op1 @ e11 @ e12 ) )
     != ( op1 @ e11 @ e12 ) ) ),
    inference(split,[status(esa)],[zip_derived_cl225]) ).

thf(zip_derived_cl26993,plain,
    ( ( ( op1 @ e12 @ e13 )
     != e13 )
   <= ( ( ( op1 @ e12 @ ( op1 @ e11 @ e12 ) )
       != ( op1 @ e11 @ e12 ) )
      & ( ( op1 @ e11 @ e12 )
        = e13 ) ) ),
    inference('s_sup-',[status(thm)],[zip_derived_cl1373,zip_derived_cl1728]) ).

thf(zip_derived_cl28145,plain,
    ( ( e13 != e13 )
   <= ( ( ( op1 @ e12 @ ( op1 @ e11 @ e12 ) )
       != ( op1 @ e11 @ e12 ) )
      & ( ( op1 @ e12 @ e13 )
        = e13 )
      & ( ( op1 @ e11 @ e12 )
        = e13 ) ) ),
    inference('s_sup-',[status(thm)],[zip_derived_cl1353,zip_derived_cl26993]) ).

thf('247',plain,
    ( ( ( op1 @ e12 @ ( op1 @ e11 @ e12 ) )
      = ( op1 @ e11 @ e12 ) )
    | ( ( op1 @ e12 @ e13 )
     != e13 )
    | ( ( op1 @ e11 @ e12 )
     != e13 ) ),
    inference(simplify,[status(thm)],[zip_derived_cl28145]) ).

thf('248',plain,
    ( ~ zip_tseitin_1
    | ( ( op1 @ e12 @ ( op1 @ e11 @ e12 ) )
     != ( op1 @ e11 @ e12 ) ) ),
    inference(split,[status(esa)],[zip_derived_cl225]) ).

thf('249',plain,
    ( zip_tseitin_1
    | zip_tseitin_3
    | zip_tseitin_0
    | zip_tseitin_2 ),
    inference(split,[status(esa)],[zip_derived_cl253]) ).

thf(zip_derived_cl46591,plain,
    $false,
    inference('sat_resolution*',[status(thm)],['0','1','2','3','4','5','6','7','65','66','67','68','69','70','71','72','73','74','75','76','77','84','85','86','87','88','89','94','95','96','97','98','99','100','101','102','103','104','105','106','107','108','109','110','111','112','32','113','114','115','117','118','119','120','121','122','123','124','125','126','127','128','129','130','131','132','133','134','9','10','11','12','135','20','136','137','23','138','26','139','28','140','141','36','37','38','39','40','142','143','144','14','44','45','46','145','146','147','148','16','31','51','52','53','54','55','56','63','15','57','58','59','60','61','62','149','150','151','152','153','154','155','162','78','163','164','165','166','167','168','175','178','181','182','183','184','185','187','188','190','192','193','194','195','196','197','198','199','200','201','202','203','204','205','206','158','207','208','209','156','210','211','212','213','214','215','216','217','218','80','219','220','221','222','223','224','225','226','157','227','228','229','230','231','232','233','234','235','236','90','79','92','237','238','239','91','240','241','242','243','244','245','246','247','248','249']) ).


%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.12  % Problem  : ALG125+1 : TPTP v8.1.2. Released v2.7.0.
% 0.00/0.13  % Command  : python3 /export/starexec/sandbox2/solver/bin/portfolio.lams.parallel.py %s %d /export/starexec/sandbox2/tmp/tmp.dDN59hJjj1 true
% 0.13/0.35  % Computer : n025.cluster.edu
% 0.13/0.35  % Model    : x86_64 x86_64
% 0.13/0.35  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.13/0.35  % Memory   : 8042.1875MB
% 0.13/0.35  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.13/0.35  % CPULimit : 300
% 0.13/0.35  % WCLimit  : 300
% 0.13/0.35  % DateTime : Mon Aug 28 06:10:39 EDT 2023
% 0.13/0.35  % CPUTime  : 
% 0.13/0.35  % Running portfolio for 300 s
% 0.13/0.35  % File         : /export/starexec/sandbox2/benchmark/theBenchmark.p
% 0.13/0.35  % Number of cores: 8
% 0.13/0.36  % Python version: Python 3.6.8
% 0.13/0.36  % Running in FO mode
% 0.20/0.64  % Total configuration time : 435
% 0.20/0.64  % Estimated wc time : 1092
% 0.20/0.64  % Estimated cpu time (7 cpus) : 156.0
% 0.20/0.71  % /export/starexec/sandbox2/solver/bin/fo/fo6_bce.sh running for 75s
% 0.20/0.74  % /export/starexec/sandbox2/solver/bin/fo/fo3_bce.sh running for 75s
% 0.20/0.75  % /export/starexec/sandbox2/solver/bin/fo/fo1_av.sh running for 75s
% 0.20/0.75  % /export/starexec/sandbox2/solver/bin/fo/fo7.sh running for 63s
% 0.20/0.75  % /export/starexec/sandbox2/solver/bin/fo/fo13.sh running for 50s
% 0.20/0.76  % /export/starexec/sandbox2/solver/bin/fo/fo5.sh running for 50s
% 0.20/0.76  % /export/starexec/sandbox2/solver/bin/fo/fo4.sh running for 50s
% 24.43/4.09  % Solved by fo/fo1_av.sh.
% 24.43/4.09  % done 23121 iterations in 3.269s
% 24.43/4.09  % SZS status Theorem for '/export/starexec/sandbox2/benchmark/theBenchmark.p'
% 24.43/4.09  % SZS output start Refutation
% See solution above
% 24.43/4.10  
% 24.43/4.10  
% 24.43/4.10  % Terminating...
% 24.84/4.18  % Runner terminated.
% 24.84/4.19  % Zipperpin 1.5 exiting
%------------------------------------------------------------------------------