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Zipperpin---2.1.9999.THM-Ref.s

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%------------------------------------------------------------------------------
% File     : Zipperpin---2.1.9999
% Problem  : NUM728^4 : TPTP v9.2.0. Released v7.1.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : python3 /export/starexec/sandbox/solver/bin/portfolio.lams.parallel.py %s %d /export/starexec/sandbox/tmp/tmp.8wGaYdCPIl true

% Computer : n006.cluster.edu
% Model    : x86_64 x86_64
% CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 2.10GHz
% Memory   : 8042.1875MB
% OS       : Linux 3.10.0-693.el7.x86_64
% CPULimit : 300s
% WCLimit  : 300s
% DateTime : Thu Oct  2 04:48:08 PM UTC 2025

% Result   : Theorem 73.19s 9.85s
% Output   : Refutation 73.19s
% Verified : 
% SZS Type : -

% Comments : 
%------------------------------------------------------------------------------
%----WARNING: Could not form TPTP format derivation
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.07/0.13  % Problem  : NUM728^4 : TPTP v9.2.0. Released v7.1.0.
% 0.07/0.14  % Command  : python3 /export/starexec/sandbox/solver/bin/portfolio.lams.parallel.py %s %d /export/starexec/sandbox/tmp/tmp.8wGaYdCPIl true
% 0.13/0.35  % Computer : n006.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 : Wed Oct  1 16:17:23 EDT 2025
% 0.13/0.35  % CPUTime  : 
% 0.13/0.35  % Running portfolio for 300 s
% 0.13/0.35  % File         : /export/starexec/sandbox/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 HO mode
% 0.59/0.69  % Total configuration time : 828
% 0.59/0.69  % Estimated wc time : 1656
% 0.59/0.69  % Estimated cpu time (8 cpus) : 207.0
% 0.60/0.77  % /export/starexec/sandbox/solver/bin/lams/40_c.s.sh running for 80s
% 0.60/0.78  % /export/starexec/sandbox/solver/bin/lams/40_c_ic.sh running for 80s
% 0.60/0.78  % /export/starexec/sandbox/solver/bin/lams/15_e_short1.sh running for 30s
% 0.60/0.79  % /export/starexec/sandbox/solver/bin/lams/40_noforms.sh running for 90s
% 0.60/0.79  % /export/starexec/sandbox/solver/bin/lams/35_full_unif4.sh running for 80s
% 0.61/0.81  % /export/starexec/sandbox/solver/bin/lams/20_acsne_simpl.sh running for 40s
% 0.61/0.81  % /export/starexec/sandbox/solver/bin/lams/40_b.comb.sh running for 70s
% 0.62/0.84  % /export/starexec/sandbox/solver/bin/lams/30_sp5.sh running for 60s
% 73.19/9.85  % Solved by lams/40_b.comb.sh.
% 73.19/9.85  % done 442 iterations in 9.003s
% 73.19/9.85  % SZS status Theorem for '/export/starexec/sandbox/benchmark/theBenchmark.p'
% 73.19/9.85  % SZS output start Refutation
% 73.19/9.85  thf(pair1_type, type, pair1: $i > $i > $i > $i).
% 73.19/9.85  thf(n_1_type, type, n_1: $i).
% 73.19/9.85  thf('#sk2_type', type, '#sk2': $i).
% 73.19/9.85  thf(nat_type, type, nat: $i).
% 73.19/9.85  thf(lessis_type, type, lessis: $i > $i > $o).
% 73.19/9.85  thf(is_of_type, type, is_of: $i > ($i > $o) > $o).
% 73.19/9.85  thf(in_type, type, in: $i > $i > $o).
% 73.19/9.85  thf('#sk3_type', type, '#sk3': $i).
% 73.19/9.85  thf(d_Sep_type, type, d_Sep: $i > ($i > $o) > $i).
% 73.19/9.85  thf(n_2_type, type, n_2: $i).
% 73.19/9.85  thf(n_fr_type, type, n_fr: $i > $i > $i).
% 73.19/9.85  thf(d_Sigma_type, type, d_Sigma: $i > ($i > $i) > $i).
% 73.19/9.85  thf(ap_type, type, ap: $i > $i > $i).
% 73.19/9.85  thf(times_type, type, times: $i > $i).
% 73.19/9.85  thf(emptyset_type, type, emptyset: $i).
% 73.19/9.85  thf(n_is_type, type, n_is: $i > $i > $o).
% 73.19/9.85  thf(n_1t_type, type, n_1t: $i).
% 73.19/9.85  thf(frac_type, type, frac: $i).
% 73.19/9.85  thf(n_2t_type, type, n_2t: $i).
% 73.19/9.85  thf(n_ts_type, type, n_ts: $i > $i > $i).
% 73.19/9.85  thf(n_eq_type, type, n_eq: $i > $i > $o).
% 73.19/9.85  thf(omega_type, type, omega: $i).
% 73.19/9.85  thf(pair1type_type, type, pair1type: $i > $i).
% 73.19/9.85  thf(all_of_type, type, all_of: ($i > $o) > ($i > $o) > $o).
% 73.19/9.85  thf(num_type, type, num: $i > $i).
% 73.19/9.85  thf(d_1to_type, type, d_1to: $i > $i).
% 73.19/9.85  thf(ordsucc_type, type, ordsucc: $i > $i).
% 73.19/9.85  thf(outn_type, type, outn: $i > $i > $i).
% 73.19/9.85  thf(first1_type, type, first1: $i > $i > $i).
% 73.19/9.85  thf(den_type, type, den: $i > $i).
% 73.19/9.85  thf(second1_type, type, second1: $i > $i > $i).
% 73.19/9.85  thf(e_is_type, type, e_is: $i > $i > $i > $o).
% 73.19/9.85  thf(ite_type, type, ite: $o > $i > $i > $i > $i).
% 73.19/9.85  thf(n_pl_type, type, n_pl: $i > $i > $i).
% 73.19/9.85  thf(s_comb_type, type, '#S': !>[A:$tType, B:$tType, C:$tType]: ((A > B > C) > (A > B) > A > C)).
% 73.19/9.85  thf(c_comb_type, type, '#C': !>[A:$tType, B:$tType, C:$tType]: ((A > B > C) > B > A > C)).
% 73.19/9.85  thf(b_comb_type, type, '#B': !>[A:$tType, B:$tType, C:$tType]: ((A > B) > (C > A) > C > B)).
% 73.19/9.85  thf(k_comb_type, type, '#K': !>[A:$tType, B:$tType]: (B > A > B)).
% 73.19/9.85  thf(i_comb_type, type, '#I': !>[A:$tType]: (A > A)).
% 73.19/9.85  thf(satz40, axiom,
% 73.19/9.85    (all_of @
% 73.19/9.85     ( ^[X0:$i]: ( in @ X0 @ frac ) ) @ 
% 73.19/9.85     ( ^[X0:$i]:
% 73.19/9.85       ( all_of @
% 73.19/9.85         ( ^[X1:$i]: ( in @ X1 @ nat ) ) @ 
% 73.19/9.85         ( ^[X1:$i]:
% 73.19/9.85           ( n_eq @
% 73.19/9.85             X0 @ 
% 73.19/9.85             ( n_fr @
% 73.19/9.85               ( n_ts @ ( num @ X0 ) @ X1 ) @ ( n_ts @ ( den @ X0 ) @ X1 ) ) ) ) ) ))).
% 73.19/9.85  thf(zip_derived_cl289, plain,
% 73.19/9.85      ( (all_of @ (^[Y0 : $i]: (in @ Y0 @ frac)) @ 
% 73.19/9.85         (^[Y0 : $i]:
% 73.19/9.85            (all_of @ (^[Y1 : $i]: (in @ Y1 @ nat)) @ 
% 73.19/9.85             (^[Y1 : $i]:
% 73.19/9.85                (n_eq @ Y0 @ 
% 73.19/9.85                 (n_fr @ (n_ts @ (num @ Y0) @ Y1) @ (n_ts @ (den @ Y0) @ Y1)))))))),
% 73.19/9.85      inference('cnf', [status(esa)], [satz40])).
% 73.19/9.85  thf(zip_derived_cl290, plain,
% 73.19/9.85      ( (all_of @ ((('#C') @ in @ frac)) @ 
% 73.19/9.85         ((('#B') @ (all_of @ ((('#C') @ in @ nat))) @ 
% 73.19/9.85           ((('#S') @ ((('#B') @ ('#B') @ n_eq)) @ 
% 73.19/9.85             ((('#S') @ ((('#B') @ ('#S') @ 
% 73.19/9.85                          ((('#B') @ ((('#B') @ n_fr)) @ 
% 73.19/9.85                            ((('#B') @ n_ts @ num)))))) @ 
% 73.19/9.85               ((('#B') @ n_ts @ den)))))))))),
% 73.19/9.85      inference('lams2combs', [status(thm)], [zip_derived_cl289])).
% 73.19/9.85  thf(def_nat, axiom,(( nat  ) =
% 73.19/9.85    ((d_Sep @ omega @ (^[Y0 : $i]: (((Y0) != (emptyset)))))))).
% 73.19/9.85  thf('0', plain,
% 73.19/9.85      (( nat ) = ( d_Sep @ omega @ ( ^[V_1:$i]: ( ( V_1 ) != ( emptyset ) ) ) )),
% 73.19/9.85      define([status(thm)])).
% 73.19/9.85  thf(def_frac, axiom,(( frac  ) = ((pair1type @ nat)))).
% 73.19/9.85  thf('1', plain, (( frac ) = ( pair1type @ nat )), define([status(thm)])).
% 73.19/9.85  thf(zip_derived_cl873, plain,
% 73.19/9.85      ( (all_of @ 
% 73.19/9.85         ((('#C') @ in @ 
% 73.19/9.85           (pair1type @ (d_Sep @ omega @ ((('#C') @ (!=) @ emptyset)))))) @ 
% 73.19/9.85         ((('#B') @ (all_of @ 
% 73.19/9.85                     ((('#C') @ in @ 
% 73.19/9.85                       (d_Sep @ omega @ ((('#C') @ (!=) @ emptyset)))))) @ 
% 73.19/9.85           ((('#S') @ ((('#B') @ ('#B') @ n_eq)) @ 
% 73.19/9.85             ((('#S') @ ((('#B') @ ('#S') @ 
% 73.19/9.85                          ((('#B') @ ((('#B') @ n_fr)) @ 
% 73.19/9.85                            ((('#B') @ n_ts @ num)))))) @ 
% 73.19/9.85               ((('#B') @ n_ts @ den)))))))))),
% 73.19/9.85      inference('rw', [status(thm)], [zip_derived_cl290, '0', '1'])).
% 73.19/9.85  thf(def_all_of, axiom, (all_of @ X0 @ X1) =>
% 73.19/9.85    ((((!!) @ (^[Y0 : $i]: (((is_of @ Y0 @ X0) => (X1 @ Y0)))))) = ($true))).
% 73.19/9.85  thf('2', plain,
% 73.19/9.85      (![X0:( $i > $o ),X1:( $i > $o )]:
% 73.19/9.85       ( ( all_of @ X0 @ X1 ) <=>
% 73.19/9.85         ( ![X6:$i]: ( ( is_of @ X6 @ X0 ) => ( X1 @ X6 ) ) ) )),
% 73.19/9.85      inference('rw.lit', [status(esa)], [def_all_of])).
% 73.19/9.85  thf(zip_derived_cl874, plain,
% 73.19/9.85      ( (((!!) @ (^[Y0 : $i]:
% 73.19/9.85                    (((is_of @ Y0 @ 
% 73.19/9.85                      ((('#C') @ in @ 
% 73.19/9.85                        (pair1type @ 
% 73.19/9.85                         (d_Sep @ omega @ ((('#C') @ (!=) @ emptyset))))))) =>
% 73.19/9.85                      ((('#B') @ (all_of @ 
% 73.19/9.85                                  ((('#C') @ in @ 
% 73.19/9.85                                    (d_Sep @ omega @ 
% 73.19/9.85                                     ((('#C') @ (!=) @ emptyset)))))) @ 
% 73.19/9.85                        ((('#S') @ ((('#B') @ ('#B') @ n_eq)) @ 
% 73.19/9.85                          ((('#S') @ ((('#B') @ ('#S') @ 
% 73.19/9.85                                       ((('#B') @ ((('#B') @ n_fr)) @ 
% 73.19/9.85                                         ((('#B') @ n_ts @ num)))))) @ 
% 73.19/9.85                            ((('#B') @ n_ts @ den)))))) @ 
% 73.19/9.85                        Y0)))))))),
% 73.19/9.85      inference('rw_clause', [status(thm)], [zip_derived_cl873, '2'])).
% 73.19/9.85  thf(zip_derived_cl875, plain,
% 73.19/9.85      ( (((!!) @ ((('#S') @ ((('#B') @ (=>) @ 
% 73.19/9.85                              ((('#C') @ is_of @ 
% 73.19/9.85                                ((('#C') @ in @ 
% 73.19/9.85                                  (pair1type @ 
% 73.19/9.85                                   (d_Sep @ omega @ 
% 73.19/9.85                                    ((('#C') @ (!=) @ emptyset)))))))))) @ 
% 73.19/9.85                   ((('#B') @ (all_of @ 
% 73.19/9.85                               ((('#C') @ in @ 
% 73.19/9.85                                 (d_Sep @ omega @ ((('#C') @ (!=) @ emptyset)))))) @ 
% 73.19/9.85                     ((('#S') @ ((('#B') @ ('#B') @ n_eq)) @ 
% 73.19/9.85                       ((('#S') @ ((('#B') @ ('#S') @ 
% 73.19/9.85                                    ((('#B') @ ((('#B') @ n_fr)) @ 
% 73.19/9.85                                      ((('#B') @ n_ts @ num)))))) @ 
% 73.19/9.85                         ((('#B') @ n_ts @ den))))))))))))),
% 73.19/9.85      inference('comb-normalize', [status(thm)], [zip_derived_cl874])).
% 73.19/9.85  thf(zip_derived_cl876, plain,
% 73.19/9.85      (![X2 : $i]:
% 73.19/9.85          (((is_of @ X2 @ 
% 73.19/9.85            ((('#C') @ in @ 
% 73.19/9.85              (pair1type @ (d_Sep @ omega @ ((('#C') @ (!=) @ emptyset))))))) =>
% 73.19/9.85            (all_of @ 
% 73.19/9.85            ((('#C') @ in @ (d_Sep @ omega @ ((('#C') @ (!=) @ emptyset))))) @ 
% 73.19/9.85            ((('#B') @ (n_eq @ X2) @ 
% 73.19/9.85              ((('#S') @ ((('#B') @ n_fr @ (n_ts @ (num @ X2)))) @ 
% 73.19/9.85                (n_ts @ (den @ X2)))))))))),
% 73.19/9.85      inference('lazy_cnf_forall', [status(thm)], [zip_derived_cl875])).
% 73.19/9.85  thf(def_n_1, axiom,(( n_1  ) = ((ordsucc @ emptyset)))).
% 73.19/9.85  thf('3', plain, (( n_1 ) = ( ordsucc @ emptyset )), define([status(thm)])).
% 73.19/9.85  thf(def_n_2, axiom,(( n_2  ) = ((n_pl @ n_1 @ n_1)))).
% 73.19/9.85  thf('4', plain, (( n_2 ) = ( n_pl @ n_1 @ n_1 )), define([status(thm)])).
% 73.19/9.85  thf(def_n_1t, axiom,(( n_1t  ) = ((outn @ n_2 @ n_1)))).
% 73.19/9.85  thf('5', plain, (( n_1t ) = ( outn @ n_2 @ n_1 )), define([status(thm)])).
% 73.19/9.85  thf(def_n_2t, axiom,(( n_2t  ) = ((outn @ n_2 @ n_2)))).
% 73.19/9.85  thf('6', plain, (( n_2t ) = ( outn @ n_2 @ n_2 )), define([status(thm)])).
% 73.19/9.85  thf(def_first1, axiom,(( first1 @ (X1)@ (X0)) = ((ap @ X0 @ n_1t)))).
% 73.19/9.85  thf('7', plain,
% 73.19/9.85      (![X1:$i,X0:$i]: ( ( first1 @ X1 @ X0 ) = ( ap @ X0 @ n_1t ) )),
% 73.19/9.85      define([status(thm)])).
% 73.19/9.85  thf(def_second1, axiom,(( second1 @ (X1)@ (X0)) = ((ap @ X0 @ n_2t)))).
% 73.19/9.85  thf('8', plain,
% 73.19/9.85      (![X1:$i,X0:$i]: ( ( second1 @ X1 @ X0 ) = ( ap @ X0 @ n_2t ) )),
% 73.19/9.85      define([status(thm)])).
% 73.19/9.85  thf(def_num, axiom,(( num @ (X0)) = ((first1 @ nat @ X0)))).
% 73.19/9.85  thf('9', plain, (![X0:$i]: ( ( num @ X0 ) = ( first1 @ nat @ X0 ) )),
% 73.19/9.85      define([status(thm)])).
% 73.19/9.85  thf(def_den, axiom,(( den @ (X0)) = ((second1 @ nat @ X0)))).
% 73.19/9.85  thf('10', plain, (![X0:$i]: ( ( den @ X0 ) = ( second1 @ nat @ X0 ) )),
% 73.19/9.85      define([status(thm)])).
% 73.19/9.85  thf(zip_derived_cl877, plain,
% 73.19/9.85      (![X2 : $i]:
% 73.19/9.85          (((is_of @ X2 @ 
% 73.19/9.85            ((('#C') @ in @ 
% 73.19/9.85              (pair1type @ (d_Sep @ omega @ ((('#C') @ (!=) @ emptyset))))))) =>
% 73.19/9.85            (all_of @ 
% 73.19/9.85            ((('#C') @ in @ (d_Sep @ omega @ ((('#C') @ (!=) @ emptyset))))) @ 
% 73.19/9.85            ((('#B') @ (n_eq @ X2) @ 
% 73.19/9.85              ((('#S') @ ((('#B') @ n_fr @ 
% 73.19/9.85                           (n_ts @ 
% 73.19/9.85                            (ap @ X2 @ 
% 73.19/9.85                             (outn @ 
% 73.19/9.85                              (n_pl @ (ordsucc @ emptyset) @ 
% 73.19/9.85                               (ordsucc @ emptyset)) @ 
% 73.19/9.85                              (ordsucc @ emptyset)))))) @ 
% 73.19/9.85                (n_ts @ 
% 73.19/9.85                 (ap @ X2 @ 
% 73.19/9.85                  (outn @ 
% 73.19/9.85                   (n_pl @ (ordsucc @ emptyset) @ (ordsucc @ emptyset)) @ 
% 73.19/9.85                   (n_pl @ (ordsucc @ emptyset) @ (ordsucc @ emptyset))))))))))))),
% 73.19/9.85      inference('rw', [status(thm)],
% 73.19/9.85                [zip_derived_cl876, '0', '3', '4', '5', '6', '7', '8', '9', 
% 73.19/9.85                 '10'])).
% 73.19/9.85  thf(zip_derived_cl878, plain,
% 73.19/9.85      (![X2 : $i]:
% 73.19/9.85         (~ (is_of @ X2 @ 
% 73.19/9.85             ((('#C') @ in @ 
% 73.19/9.85               (pair1type @ (d_Sep @ omega @ ((('#C') @ (!=) @ emptyset)))))))
% 73.19/9.85          |  (all_of @ 
% 73.19/9.85              ((('#C') @ in @ (d_Sep @ omega @ ((('#C') @ (!=) @ emptyset))))) @ 
% 73.19/9.85              ((('#B') @ (n_eq @ X2) @ 
% 73.19/9.85                ((('#S') @ ((('#B') @ n_fr @ 
% 73.19/9.85                             (n_ts @ 
% 73.19/9.85                              (ap @ X2 @ 
% 73.19/9.85                               (outn @ 
% 73.19/9.85                                (n_pl @ (ordsucc @ emptyset) @ 
% 73.19/9.85                                 (ordsucc @ emptyset)) @ 
% 73.19/9.85                                (ordsucc @ emptyset)))))) @ 
% 73.19/9.85                  (n_ts @ 
% 73.19/9.85                   (ap @ X2 @ 
% 73.19/9.85                    (outn @ 
% 73.19/9.85                     (n_pl @ (ordsucc @ emptyset) @ (ordsucc @ emptyset)) @ 
% 73.19/9.85                     (n_pl @ (ordsucc @ emptyset) @ (ordsucc @ emptyset)))))))))))),
% 73.19/9.85      inference('lazy_cnf_imply', [status(thm)], [zip_derived_cl877])).
% 73.19/9.85  thf(zip_derived_cl879, plain,
% 73.19/9.85      (![X0 : $i]:
% 73.19/9.85         ( (((!!) @ (^[Y0 : $i]:
% 73.19/9.85                       (((is_of @ Y0 @ 
% 73.19/9.85                         ((('#C') @ in @ 
% 73.19/9.85                           (d_Sep @ omega @ ((('#C') @ (!=) @ emptyset)))))) =>
% 73.19/9.85                         ((('#B') @ (n_eq @ X0) @ 
% 73.19/9.85                           ((('#S') @ ((('#B') @ n_fr @ 
% 73.19/9.85                                        (n_ts @ 
% 73.19/9.85                                         (ap @ X0 @ 
% 73.19/9.85                                          (outn @ 
% 73.19/9.85                                           (n_pl @ (ordsucc @ emptyset) @ 
% 73.19/9.85                                            (ordsucc @ emptyset)) @ 
% 73.19/9.85                                           (ordsucc @ emptyset)))))) @ 
% 73.19/9.85                             (n_ts @ 
% 73.19/9.85                              (ap @ X0 @ 
% 73.19/9.85                               (outn @ 
% 73.19/9.85                                (n_pl @ (ordsucc @ emptyset) @ 
% 73.19/9.85                                 (ordsucc @ emptyset)) @ 
% 73.19/9.85                                (n_pl @ (ordsucc @ emptyset) @ 
% 73.19/9.85                                 (ordsucc @ emptyset))))))) @ 
% 73.19/9.85                           Y0)))))))
% 73.19/9.85          | ~ (is_of @ X0 @ 
% 73.19/9.85               ((('#C') @ in @ 
% 73.19/9.85                 (pair1type @ (d_Sep @ omega @ ((('#C') @ (!=) @ emptyset))))))))),
% 73.19/9.85      inference('rw_clause', [status(thm)], [zip_derived_cl878, '2'])).
% 73.19/9.85  thf(zip_derived_cl880, plain,
% 73.19/9.85      (![X0 : $i]:
% 73.19/9.85         ( (((!!) @ ((('#S') @ ((('#B') @ (=>) @ 
% 73.19/9.85                                 ((('#C') @ is_of @ 
% 73.19/9.85                                   ((('#C') @ in @ 
% 73.19/9.85                                     (d_Sep @ omega @ 
% 73.19/9.85                                      ((('#C') @ (!=) @ emptyset))))))))) @ 
% 73.19/9.85                      ((('#B') @ (n_eq @ X0) @ 
% 73.19/9.85                        ((('#S') @ ((('#B') @ n_fr @ 
% 73.19/9.85                                     (n_ts @ 
% 73.19/9.85                                      (ap @ X0 @ 
% 73.19/9.85                                       (outn @ 
% 73.19/9.85                                        (n_pl @ (ordsucc @ emptyset) @ 
% 73.19/9.85                                         (ordsucc @ emptyset)) @ 
% 73.19/9.85                                        (ordsucc @ emptyset)))))) @ 
% 73.19/9.85                          (n_ts @ 
% 73.19/9.85                           (ap @ X0 @ 
% 73.19/9.85                            (outn @ 
% 73.19/9.85                             (n_pl @ (ordsucc @ emptyset) @ 
% 73.19/9.85                              (ordsucc @ emptyset)) @ 
% 73.19/9.85                             (n_pl @ (ordsucc @ emptyset) @ 
% 73.19/9.85                              (ordsucc @ emptyset)))))))))))))
% 73.19/9.85          | ~ (is_of @ X0 @ 
% 73.19/9.85               ((('#C') @ in @ 
% 73.19/9.85                 (pair1type @ (d_Sep @ omega @ ((('#C') @ (!=) @ emptyset))))))))),
% 73.19/9.85      inference('comb-normalize', [status(thm)], [zip_derived_cl879])).
% 73.19/9.85  thf(zip_derived_cl881, plain,
% 73.19/9.85      (![X0 : $i, X2 : $i]:
% 73.19/9.85         ( (((is_of @ X2 @ 
% 73.19/9.85             ((('#C') @ in @ (d_Sep @ omega @ ((('#C') @ (!=) @ emptyset)))))) =>
% 73.19/9.85             (n_eq @ X0 @ 
% 73.19/9.85             (n_fr @ 
% 73.19/9.85              (n_ts @ 
% 73.19/9.85               (ap @ X0 @ 
% 73.19/9.85                (outn @ (n_pl @ (ordsucc @ emptyset) @ (ordsucc @ emptyset)) @ 
% 73.19/9.85                 (ordsucc @ emptyset))) @ 
% 73.19/9.85               X2) @ 
% 73.19/9.85              (n_ts @ 
% 73.19/9.85               (ap @ X0 @ 
% 73.19/9.85                (outn @ (n_pl @ (ordsucc @ emptyset) @ (ordsucc @ emptyset)) @ 
% 73.19/9.85                 (n_pl @ (ordsucc @ emptyset) @ (ordsucc @ emptyset)))) @ 
% 73.19/9.85               X2)))))
% 73.19/9.85          | ~ (is_of @ X0 @ 
% 73.19/9.85               ((('#C') @ in @ 
% 73.19/9.85                 (pair1type @ (d_Sep @ omega @ ((('#C') @ (!=) @ emptyset))))))))),
% 73.19/9.85      inference('lazy_cnf_forall', [status(thm)], [zip_derived_cl880])).
% 73.19/9.85  thf(def_e_is, axiom,(( e_is @ (X2)@ (X0)@ (X1)) = ((((X0) = (X1)))))).
% 73.19/9.85  thf('11', plain,
% 73.19/9.85      (![X2:$i,X1:$i,X0:$i]: ( ( e_is @ X2 @ X0 @ X1 ) = ( ( X0 ) = ( X1 ) ) )),
% 73.19/9.85      define([status(thm)])).
% 73.19/9.85  thf(def_n_is, axiom,(( n_is @ (X0)@ (X1)) = ((e_is @ nat @ X0 @ X1)))).
% 73.19/9.85  thf('12', plain,
% 73.19/9.85      (![X1:$i,X0:$i]: ( ( n_is @ X0 @ X1 ) = ( e_is @ nat @ X0 @ X1 ) )),
% 73.19/9.85      define([status(thm)])).
% 73.19/9.85  thf(def_n_ts, axiom,(( n_ts @ (X0)@ (X1)) = ((ap @ (times @ X0) @ X1)))).
% 73.19/9.85  thf('13', plain,
% 73.19/9.85      (![X1:$i,X0:$i]: ( ( n_ts @ X0 @ X1 ) = ( ap @ ( times @ X0 ) @ X1 ) )),
% 73.19/9.85      define([status(thm)])).
% 73.19/9.85  thf(def_d_1to, axiom,(( d_1to @ (X0)) =
% 73.19/9.85    ((d_Sep @ nat @ (^[Y0 : $i]: (lessis @ Y0 @ X0)))))).
% 73.19/9.85  thf('14', plain,
% 73.19/9.85      (![X0:$i]:
% 73.19/9.85       ( ( d_1to @ X0 ) =
% 73.19/9.85         ( d_Sep @ nat @ ( ^[V_1:$i]: ( lessis @ V_1 @ X0 ) ) ) )),
% 73.19/9.85      define([status(thm)])).
% 73.19/9.85  thf(def_pair1, axiom,(( pair1 @ (X0)@ (X1)@ (X2)) =
% 73.19/9.85    ((d_Sigma @ (d_1to @ n_2) @ 
% 73.19/9.85      (^[Y0 : $i]: (ite @ (e_is @ (d_1to @ n_2) @ Y0 @ n_1t) @ X0 @ X1 @ X2)))))).
% 73.19/9.85  thf('15', plain,
% 73.19/9.85      (![X2:$i,X1:$i,X0:$i]:
% 73.19/9.85       ( ( pair1 @ X0 @ X1 @ X2 ) =
% 73.19/9.85         ( d_Sigma @
% 73.19/9.85           ( d_1to @ n_2 ) @ 
% 73.19/9.85           ( ^[V_1:$i]:
% 73.19/9.85             ( ite @ ( e_is @ ( d_1to @ n_2 ) @ V_1 @ n_1t ) @ X0 @ X1 @ X2 ) ) ) )),
% 73.19/9.85      define([status(thm)])).
% 73.19/9.85  thf(def_n_fr, axiom,(( n_fr @ (X0)@ (X1)) = ((pair1 @ nat @ X0 @ X1)))).
% 73.19/9.85  thf('16', plain,
% 73.19/9.85      (![X1:$i,X0:$i]: ( ( n_fr @ X0 @ X1 ) = ( pair1 @ nat @ X0 @ X1 ) )),
% 73.19/9.85      define([status(thm)])).
% 73.19/9.85  thf(def_n_eq, axiom,(( n_eq @ (X0)@ (X1)) =
% 73.19/9.85    ((n_is @ (n_ts @ (num @ X0) @ (den @ X1)) @ 
% 73.19/9.85      (n_ts @ (num @ X1) @ (den @ X0)))))).
% 73.19/9.85  thf('17', plain,
% 73.19/9.85      (![X1:$i,X0:$i]:
% 73.19/9.85       ( ( n_eq @ X0 @ X1 ) =
% 73.19/9.85         ( n_is @
% 73.19/9.85           ( n_ts @ ( num @ X0 ) @ ( den @ X1 ) ) @ 
% 73.19/9.85           ( n_ts @ ( num @ X1 ) @ ( den @ X0 ) ) ) )),
% 73.19/9.85      define([status(thm)])).
% 73.19/9.85  thf(zip_derived_cl882, plain,
% 73.19/9.85      (![X0 : $i, X2 : $i]:
% 73.19/9.85         ( (((is_of @ X2 @ 
% 73.19/9.85             ((('#C') @ in @ (d_Sep @ omega @ ((('#C') @ (!=) @ emptyset)))))) =>
% 73.19/9.85             (((ap @ 
% 73.19/9.85               (times @ 
% 73.19/9.85                (ap @ X0 @ 
% 73.19/9.85                 (outn @ 
% 73.19/9.85                  (n_pl @ (ordsucc @ emptyset) @ (ordsucc @ emptyset)) @ 
% 73.19/9.85                  (ordsucc @ emptyset)))) @ 
% 73.19/9.85               (ap @ 
% 73.19/9.85                (d_Sigma @ 
% 73.19/9.85                 (d_Sep @ (d_Sep @ omega @ ((('#C') @ (!=) @ emptyset))) @ 
% 73.19/9.85                  ((('#C') @ lessis @ 
% 73.19/9.85                    (n_pl @ (ordsucc @ emptyset) @ (ordsucc @ emptyset))))) @ 
% 73.19/9.85                 ((('#C') @ ((('#C') @ ((('#C') @ ((('#B') @ ite @ 
% 73.19/9.85                                                    ((('#C') @ (e_is @ 
% 73.19/9.85                                                                (d_Sep @ 
% 73.19/9.85                                                                 (d_Sep @ 
% 73.19/9.85                                                                  omega @ 
% 73.19/9.85                                                                  ((('#C') @ (
% 73.19/9.85                                                                    !=) @ 
% 73.19/9.85                                                                    emptyset))) @ 
% 73.19/9.85                                                                 ((('#C') @ lessis @ 
% 73.19/9.85                                                                   (n_pl @ 
% 73.19/9.85                                                                    (ordsucc @ 
% 73.19/9.85                                                                     emptyset) @ 
% 73.19/9.85                                                                    (ordsucc @ 
% 73.19/9.85                                                                     emptyset)))))) @ 
% 73.19/9.85                                                      (outn @ 
% 73.19/9.85                                                       (n_pl @ 
% 73.19/9.85                                                        (ordsucc @ emptyset) @ 
% 73.19/9.85                                                        (ordsucc @ emptyset)) @ 
% 73.19/9.85                                                       (ordsucc @ emptyset)))))) @ 
% 73.19/9.85                                         (d_Sep @ omega @ 
% 73.19/9.85                                          ((('#C') @ (!=) @ emptyset))))) @ 
% 73.19/9.85                              (ap @ 
% 73.19/9.85                               (times @ 
% 73.19/9.85                                (ap @ X0 @ 
% 73.19/9.85                                 (outn @ 
% 73.19/9.85                                  (n_pl @ (ordsucc @ emptyset) @ 
% 73.19/9.85                                   (ordsucc @ emptyset)) @ 
% 73.19/9.85                                  (ordsucc @ emptyset)))) @ 
% 73.19/9.85                               X2))) @ 
% 73.19/9.85                   (ap @ 
% 73.19/9.85                    (times @ 
% 73.19/9.85                     (ap @ X0 @ 
% 73.19/9.85                      (outn @ 
% 73.19/9.85                       (n_pl @ (ordsucc @ emptyset) @ (ordsucc @ emptyset)) @ 
% 73.19/9.85                       (n_pl @ (ordsucc @ emptyset) @ (ordsucc @ emptyset))))) @ 
% 73.19/9.85                    X2)))) @ 
% 73.19/9.85                (outn @ (n_pl @ (ordsucc @ emptyset) @ (ordsucc @ emptyset)) @ 
% 73.19/9.85                 (n_pl @ (ordsucc @ emptyset) @ (ordsucc @ emptyset))))) =
% 73.19/9.85               (ap @ 
% 73.19/9.85               (times @ 
% 73.19/9.85                (ap @ 
% 73.19/9.85                 (d_Sigma @ 
% 73.19/9.85                  (d_Sep @ (d_Sep @ omega @ ((('#C') @ (!=) @ emptyset))) @ 
% 73.19/9.85                   ((('#C') @ lessis @ 
% 73.19/9.85                     (n_pl @ (ordsucc @ emptyset) @ (ordsucc @ emptyset))))) @ 
% 73.19/9.85                  ((('#C') @ ((('#C') @ ((('#C') @ ((('#B') @ ite @ 
% 73.19/9.85                                                     ((('#C') @ (e_is @ 
% 73.19/9.85                                                                 (d_Sep @ 
% 73.19/9.85                                                                  (d_Sep @ 
% 73.19/9.85                                                                   omega @ 
% 73.19/9.85                                                                   ((('#C') @ (
% 73.19/9.85                                                                     !=) @ 
% 73.19/9.85                                                                     emptyset))) @ 
% 73.19/9.85                                                                  ((('#C') @ lessis @ 
% 73.19/9.85                                                                    (n_pl @ 
% 73.19/9.85                                                                     (ordsucc @ 
% 73.19/9.85                                                                      emptyset) @ 
% 73.19/9.85                                                                     (ordsucc @ 
% 73.19/9.85                                                                      emptyset)))))) @ 
% 73.19/9.85                                                       (outn @ 
% 73.19/9.85                                                        (n_pl @ 
% 73.19/9.85                                                         (ordsucc @ emptyset) @ 
% 73.19/9.85                                                         (ordsucc @ emptyset)) @ 
% 73.19/9.85                                                        (ordsucc @ emptyset)))))) @ 
% 73.19/9.85                                          (d_Sep @ omega @ 
% 73.19/9.85                                           ((('#C') @ (!=) @ emptyset))))) @ 
% 73.19/9.85                               (ap @ 
% 73.19/9.85                                (times @ 
% 73.19/9.85                                 (ap @ X0 @ 
% 73.19/9.85                                  (outn @ 
% 73.19/9.85                                   (n_pl @ (ordsucc @ emptyset) @ 
% 73.19/9.85                                    (ordsucc @ emptyset)) @ 
% 73.19/9.85                                   (ordsucc @ emptyset)))) @ 
% 73.19/9.85                                X2))) @ 
% 73.19/9.85                    (ap @ 
% 73.19/9.85                     (times @ 
% 73.19/9.85                      (ap @ X0 @ 
% 73.19/9.85                       (outn @ 
% 73.19/9.85                        (n_pl @ (ordsucc @ emptyset) @ (ordsucc @ emptyset)) @ 
% 73.19/9.85                        (n_pl @ (ordsucc @ emptyset) @ (ordsucc @ emptyset))))) @ 
% 73.19/9.85                     X2)))) @ 
% 73.19/9.85                 (outn @ 
% 73.19/9.85                  (n_pl @ (ordsucc @ emptyset) @ (ordsucc @ emptyset)) @ 
% 73.19/9.85                  (ordsucc @ emptyset)))) @ 
% 73.19/9.85               (ap @ X0 @ 
% 73.19/9.85                (outn @ (n_pl @ (ordsucc @ emptyset) @ (ordsucc @ emptyset)) @ 
% 73.19/9.85                 (n_pl @ (ordsucc @ emptyset) @ (ordsucc @ emptyset)))))))))
% 73.19/9.85          | ~ (is_of @ X0 @ 
% 73.19/9.85               ((('#C') @ in @ 
% 73.19/9.85                 (pair1type @ (d_Sep @ omega @ ((('#C') @ (!=) @ emptyset))))))))),
% 73.19/9.85      inference('rw', [status(thm)],
% 73.19/9.85                [zip_derived_cl881, '11', '0', '12', '3', '13', '13', '13', 
% 73.19/9.85                 '13', '14', '4', '5', '6', '15', '7', '7', '8', '8', '16', 
% 73.19/9.85                 '9', '9', '10', '10', '17'])).
% 73.19/9.85  thf(zip_derived_cl883, plain,
% 73.19/9.85      (![X0 : $i, X2 : $i]:
% 73.19/9.85         (~ (is_of @ X2 @ 
% 73.19/9.85             ((('#C') @ in @ (d_Sep @ omega @ ((('#C') @ (!=) @ emptyset))))))
% 73.19/9.85          |  (((ap @ 
% 73.19/9.85               (times @ 
% 73.19/9.85                (ap @ X0 @ 
% 73.19/9.85                 (outn @ 
% 73.19/9.85                  (n_pl @ (ordsucc @ emptyset) @ (ordsucc @ emptyset)) @ 
% 73.19/9.85                  (ordsucc @ emptyset)))) @ 
% 73.19/9.85               (ap @ 
% 73.19/9.85                (d_Sigma @ 
% 73.19/9.85                 (d_Sep @ (d_Sep @ omega @ ((('#C') @ (!=) @ emptyset))) @ 
% 73.19/9.85                  ((('#C') @ lessis @ 
% 73.19/9.85                    (n_pl @ (ordsucc @ emptyset) @ (ordsucc @ emptyset))))) @ 
% 73.19/9.85                 ((('#C') @ ((('#C') @ ((('#C') @ ((('#B') @ ite @ 
% 73.19/9.85                                                    ((('#C') @ (e_is @ 
% 73.19/9.85                                                                (d_Sep @ 
% 73.19/9.85                                                                 (d_Sep @ 
% 73.19/9.85                                                                  omega @ 
% 73.19/9.85                                                                  ((('#C') @ (
% 73.19/9.85                                                                    !=) @ 
% 73.19/9.85                                                                    emptyset))) @ 
% 73.19/9.85                                                                 ((('#C') @ lessis @ 
% 73.19/9.85                                                                   (n_pl @ 
% 73.19/9.85                                                                    (ordsucc @ 
% 73.19/9.85                                                                     emptyset) @ 
% 73.19/9.85                                                                    (ordsucc @ 
% 73.19/9.85                                                                     emptyset)))))) @ 
% 73.19/9.85                                                      (outn @ 
% 73.19/9.85                                                       (n_pl @ 
% 73.19/9.85                                                        (ordsucc @ emptyset) @ 
% 73.19/9.85                                                        (ordsucc @ emptyset)) @ 
% 73.19/9.85                                                       (ordsucc @ emptyset)))))) @ 
% 73.19/9.85                                         (d_Sep @ omega @ 
% 73.19/9.85                                          ((('#C') @ (!=) @ emptyset))))) @ 
% 73.19/9.85                              (ap @ 
% 73.19/9.85                               (times @ 
% 73.19/9.85                                (ap @ X0 @ 
% 73.19/9.85                                 (outn @ 
% 73.19/9.85                                  (n_pl @ (ordsucc @ emptyset) @ 
% 73.19/9.85                                   (ordsucc @ emptyset)) @ 
% 73.19/9.85                                  (ordsucc @ emptyset)))) @ 
% 73.19/9.85                               X2))) @ 
% 73.19/9.85                   (ap @ 
% 73.19/9.85                    (times @ 
% 73.19/9.85                     (ap @ X0 @ 
% 73.19/9.85                      (outn @ 
% 73.19/9.85                       (n_pl @ (ordsucc @ emptyset) @ (ordsucc @ emptyset)) @ 
% 73.19/9.85                       (n_pl @ (ordsucc @ emptyset) @ (ordsucc @ emptyset))))) @ 
% 73.19/9.85                    X2)))) @ 
% 73.19/9.85                (outn @ (n_pl @ (ordsucc @ emptyset) @ (ordsucc @ emptyset)) @ 
% 73.19/9.85                 (n_pl @ (ordsucc @ emptyset) @ (ordsucc @ emptyset))))) =
% 73.19/9.85               (ap @ 
% 73.19/9.85               (times @ 
% 73.19/9.85                (ap @ 
% 73.19/9.85                 (d_Sigma @ 
% 73.19/9.85                  (d_Sep @ (d_Sep @ omega @ ((('#C') @ (!=) @ emptyset))) @ 
% 73.19/9.85                   ((('#C') @ lessis @ 
% 73.19/9.85                     (n_pl @ (ordsucc @ emptyset) @ (ordsucc @ emptyset))))) @ 
% 73.19/9.85                  ((('#C') @ ((('#C') @ ((('#C') @ ((('#B') @ ite @ 
% 73.19/9.85                                                     ((('#C') @ (e_is @ 
% 73.19/9.85                                                                 (d_Sep @ 
% 73.19/9.85                                                                  (d_Sep @ 
% 73.19/9.85                                                                   omega @ 
% 73.19/9.85                                                                   ((('#C') @ (
% 73.19/9.85                                                                     !=) @ 
% 73.19/9.85                                                                     emptyset))) @ 
% 73.19/9.85                                                                  ((('#C') @ lessis @ 
% 73.19/9.85                                                                    (n_pl @ 
% 73.19/9.85                                                                     (ordsucc @ 
% 73.19/9.85                                                                      emptyset) @ 
% 73.19/9.85                                                                     (ordsucc @ 
% 73.19/9.85                                                                      emptyset)))))) @ 
% 73.19/9.85                                                       (outn @ 
% 73.19/9.85                                                        (n_pl @ 
% 73.19/9.85                                                         (ordsucc @ emptyset) @ 
% 73.19/9.85                                                         (ordsucc @ emptyset)) @ 
% 73.19/9.85                                                        (ordsucc @ emptyset)))))) @ 
% 73.19/9.85                                          (d_Sep @ omega @ 
% 73.19/9.85                                           ((('#C') @ (!=) @ emptyset))))) @ 
% 73.19/9.85                               (ap @ 
% 73.19/9.85                                (times @ 
% 73.19/9.85                                 (ap @ X0 @ 
% 73.19/9.85                                  (outn @ 
% 73.19/9.85                                   (n_pl @ (ordsucc @ emptyset) @ 
% 73.19/9.85                                    (ordsucc @ emptyset)) @ 
% 73.19/9.85                                   (ordsucc @ emptyset)))) @ 
% 73.19/9.85                                X2))) @ 
% 73.19/9.85                    (ap @ 
% 73.19/9.85                     (times @ 
% 73.19/9.85                      (ap @ X0 @ 
% 73.19/9.85                       (outn @ 
% 73.19/9.85                        (n_pl @ (ordsucc @ emptyset) @ (ordsucc @ emptyset)) @ 
% 73.19/9.85                        (n_pl @ (ordsucc @ emptyset) @ (ordsucc @ emptyset))))) @ 
% 73.19/9.85                     X2)))) @ 
% 73.19/9.85                 (outn @ 
% 73.19/9.85                  (n_pl @ (ordsucc @ emptyset) @ (ordsucc @ emptyset)) @ 
% 73.19/9.85                  (ordsucc @ emptyset)))) @ 
% 73.19/9.85               (ap @ X0 @ 
% 73.19/9.85                (outn @ (n_pl @ (ordsucc @ emptyset) @ (ordsucc @ emptyset)) @ 
% 73.19/9.85                 (n_pl @ (ordsucc @ emptyset) @ (ordsucc @ emptyset)))))))
% 73.19/9.85          | ~ (is_of @ X0 @ 
% 73.19/9.85               ((('#C') @ in @ 
% 73.19/9.85                 (pair1type @ (d_Sep @ omega @ ((('#C') @ (!=) @ emptyset))))))))),
% 73.19/9.85      inference('lazy_cnf_imply', [status(thm)], [zip_derived_cl882])).
% 73.19/9.85  thf(zip_derived_cl884, plain,
% 73.19/9.85      (![X0 : $i, X2 : $i]:
% 73.19/9.85         (~ (is_of @ X2 @ 
% 73.19/9.85             ((('#C') @ in @ (d_Sep @ omega @ ((('#C') @ (!=) @ emptyset))))))
% 73.19/9.85          | ((ap @ 
% 73.19/9.85              (times @ 
% 73.19/9.85               (ap @ X0 @ 
% 73.19/9.85                (outn @ (n_pl @ (ordsucc @ emptyset) @ (ordsucc @ emptyset)) @ 
% 73.19/9.85                 (ordsucc @ emptyset)))) @ 
% 73.19/9.85              (ap @ 
% 73.19/9.85               (d_Sigma @ 
% 73.19/9.85                (d_Sep @ (d_Sep @ omega @ ((('#C') @ (!=) @ emptyset))) @ 
% 73.19/9.85                 ((('#C') @ lessis @ 
% 73.19/9.85                   (n_pl @ (ordsucc @ emptyset) @ (ordsucc @ emptyset))))) @ 
% 73.19/9.85                ((('#C') @ ((('#C') @ ((('#C') @ ((('#B') @ ite @ 
% 73.19/9.85                                                   ((('#C') @ (e_is @ 
% 73.19/9.85                                                               (d_Sep @ 
% 73.19/9.85                                                                (d_Sep @ 
% 73.19/9.85                                                                 omega @ 
% 73.19/9.85                                                                 ((('#C') @ (
% 73.19/9.85                                                                   !=) @ 
% 73.19/9.85                                                                   emptyset))) @ 
% 73.19/9.85                                                                ((('#C') @ lessis @ 
% 73.19/9.85                                                                  (n_pl @ 
% 73.19/9.85                                                                   (ordsucc @ 
% 73.19/9.85                                                                    emptyset) @ 
% 73.19/9.85                                                                   (ordsucc @ 
% 73.19/9.85                                                                    emptyset)))))) @ 
% 73.19/9.85                                                     (outn @ 
% 73.19/9.85                                                      (n_pl @ 
% 73.19/9.85                                                       (ordsucc @ emptyset) @ 
% 73.19/9.85                                                       (ordsucc @ emptyset)) @ 
% 73.19/9.85                                                      (ordsucc @ emptyset)))))) @ 
% 73.19/9.85                                        (d_Sep @ omega @ 
% 73.19/9.85                                         ((('#C') @ (!=) @ emptyset))))) @ 
% 73.19/9.85                             (ap @ 
% 73.19/9.85                              (times @ 
% 73.19/9.85                               (ap @ X0 @ 
% 73.19/9.85                                (outn @ 
% 73.19/9.85                                 (n_pl @ (ordsucc @ emptyset) @ 
% 73.19/9.85                                  (ordsucc @ emptyset)) @ 
% 73.19/9.85                                 (ordsucc @ emptyset)))) @ 
% 73.19/9.85                              X2))) @ 
% 73.19/9.85                  (ap @ 
% 73.19/9.85                   (times @ 
% 73.19/9.85                    (ap @ X0 @ 
% 73.19/9.85                     (outn @ 
% 73.19/9.85                      (n_pl @ (ordsucc @ emptyset) @ (ordsucc @ emptyset)) @ 
% 73.19/9.85                      (n_pl @ (ordsucc @ emptyset) @ (ordsucc @ emptyset))))) @ 
% 73.19/9.85                   X2)))) @ 
% 73.19/9.85               (outn @ (n_pl @ (ordsucc @ emptyset) @ (ordsucc @ emptyset)) @ 
% 73.19/9.85                (n_pl @ (ordsucc @ emptyset) @ (ordsucc @ emptyset)))))
% 73.19/9.85              = (ap @ 
% 73.19/9.85                 (times @ 
% 73.19/9.85                  (ap @ 
% 73.19/9.85                   (d_Sigma @ 
% 73.19/9.85                    (d_Sep @ (d_Sep @ omega @ ((('#C') @ (!=) @ emptyset))) @ 
% 73.19/9.85                     ((('#C') @ lessis @ 
% 73.19/9.85                       (n_pl @ (ordsucc @ emptyset) @ (ordsucc @ emptyset))))) @ 
% 73.19/9.85                    ((('#C') @ ((('#C') @ ((('#C') @ ((('#B') @ ite @ 
% 73.19/9.85                                                       ((('#C') @ (e_is @ 
% 73.19/9.85                                                                   (d_Sep @ 
% 73.19/9.85                                                                    (d_Sep @ 
% 73.19/9.85                                                                     omega @ 
% 73.19/9.85                                                                     ((
% 73.19/9.85                                                                      ('#C') @ (
% 73.19/9.85                                                                      !=) @ 
% 73.19/9.85                                                                      emptyset))) @ 
% 73.19/9.85                                                                    ((('#C') @ lessis @ 
% 73.19/9.85                                                                      (
% 73.19/9.85                                                                      n_pl @ 
% 73.19/9.85                                                                      (
% 73.19/9.85                                                                      ordsucc @ 
% 73.19/9.85                                                                      emptyset) @ 
% 73.19/9.85                                                                      (
% 73.19/9.85                                                                      ordsucc @ 
% 73.19/9.85                                                                      emptyset)))))) @ 
% 73.19/9.85                                                         (outn @ 
% 73.19/9.85                                                          (n_pl @ 
% 73.19/9.85                                                           (ordsucc @ emptyset) @ 
% 73.19/9.85                                                           (ordsucc @ emptyset)) @ 
% 73.19/9.85                                                          (ordsucc @ emptyset)))))) @ 
% 73.19/9.85                                            (d_Sep @ omega @ 
% 73.19/9.85                                             ((('#C') @ (!=) @ emptyset))))) @ 
% 73.19/9.85                                 (ap @ 
% 73.19/9.85                                  (times @ 
% 73.19/9.85                                   (ap @ X0 @ 
% 73.19/9.85                                    (outn @ 
% 73.19/9.85                                     (n_pl @ (ordsucc @ emptyset) @ 
% 73.19/9.85                                      (ordsucc @ emptyset)) @ 
% 73.19/9.85                                     (ordsucc @ emptyset)))) @ 
% 73.19/9.85                                  X2))) @ 
% 73.19/9.85                      (ap @ 
% 73.19/9.85                       (times @ 
% 73.19/9.85                        (ap @ X0 @ 
% 73.19/9.85                         (outn @ 
% 73.19/9.85                          (n_pl @ (ordsucc @ emptyset) @ (ordsucc @ emptyset)) @ 
% 73.19/9.85                          (n_pl @ (ordsucc @ emptyset) @ (ordsucc @ emptyset))))) @ 
% 73.19/9.85                       X2)))) @ 
% 73.19/9.85                   (outn @ 
% 73.19/9.85                    (n_pl @ (ordsucc @ emptyset) @ (ordsucc @ emptyset)) @ 
% 73.19/9.85                    (ordsucc @ emptyset)))) @ 
% 73.19/9.85                 (ap @ X0 @ 
% 73.19/9.85                  (outn @ 
% 73.19/9.85                   (n_pl @ (ordsucc @ emptyset) @ (ordsucc @ emptyset)) @ 
% 73.19/9.85                   (n_pl @ (ordsucc @ emptyset) @ (ordsucc @ emptyset))))))
% 73.19/9.85          | ~ (is_of @ X0 @ 
% 73.19/9.85               ((('#C') @ in @ 
% 73.19/9.85                 (pair1type @ (d_Sep @ omega @ ((('#C') @ (!=) @ emptyset))))))))),
% 73.19/9.85      inference('simplify nested equalities', [status(thm)],
% 73.19/9.85                [zip_derived_cl883])).
% 73.19/9.85  thf(satz40a, conjecture,
% 73.19/9.85    (all_of @
% 73.19/9.85     ( ^[X0:$i]: ( in @ X0 @ frac ) ) @ 
% 73.19/9.85     ( ^[X0:$i]:
% 73.19/9.85       ( all_of @
% 73.19/9.85         ( ^[X1:$i]: ( in @ X1 @ nat ) ) @ 
% 73.19/9.85         ( ^[X1:$i]:
% 73.19/9.85           ( n_eq @
% 73.19/9.85             ( n_fr @
% 73.19/9.85               ( n_ts @ ( num @ X0 ) @ X1 ) @ ( n_ts @ ( den @ X0 ) @ X1 ) ) @ 
% 73.19/9.85             X0 ) ) ) ))).
% 73.19/9.85  thf(zf_stmt_0, negated_conjecture,
% 73.19/9.85    (~( all_of @
% 73.19/9.85        ( ^[X0:$i]: ( in @ X0 @ frac ) ) @ 
% 73.19/9.85        ( ^[X0:$i]:
% 73.19/9.85          ( all_of @
% 73.19/9.85            ( ^[X1:$i]: ( in @ X1 @ nat ) ) @ 
% 73.19/9.85            ( ^[X1:$i]:
% 73.19/9.85              ( n_eq @
% 73.19/9.85                ( n_fr @
% 73.19/9.85                  ( n_ts @ ( num @ X0 ) @ X1 ) @ ( n_ts @ ( den @ X0 ) @ X1 ) ) @ 
% 73.19/9.85                X0 ) ) ) ) )),
% 73.19/9.85    inference('cnf.neg', [status(esa)], [satz40a])).
% 73.19/9.85  thf(zip_derived_cl291, plain,
% 73.19/9.85      (~ (all_of @ (^[Y0 : $i]: (in @ Y0 @ frac)) @ 
% 73.19/9.85          (^[Y0 : $i]:
% 73.19/9.85             (all_of @ (^[Y1 : $i]: (in @ Y1 @ nat)) @ 
% 73.19/9.85              (^[Y1 : $i]:
% 73.19/9.85                 (n_eq @ 
% 73.19/9.85                  (n_fr @ (n_ts @ (num @ Y0) @ Y1) @ (n_ts @ (den @ Y0) @ Y1)) @ 
% 73.19/9.85                  Y0)))))),
% 73.19/9.85      inference('cnf', [status(esa)], [zf_stmt_0])).
% 73.19/9.85  thf(zip_derived_cl292, plain,
% 73.19/9.85      (~ (all_of @ ((('#C') @ in @ frac)) @ 
% 73.19/9.85          ((('#B') @ (all_of @ ((('#C') @ in @ nat))) @ 
% 73.19/9.85            ((('#S') @ ((('#B') @ ('#C') @ 
% 73.19/9.85                         ((('#B') @ ((('#B') @ n_eq)) @ 
% 73.19/9.85                           ((('#S') @ ((('#B') @ ('#S') @ 
% 73.19/9.85                                        ((('#B') @ ((('#B') @ n_fr)) @ 
% 73.19/9.85                                          ((('#B') @ n_ts @ num)))))) @ 
% 73.19/9.85                             ((('#B') @ n_ts @ den)))))))) @ 
% 73.19/9.85              ('#I'))))))),
% 73.19/9.85      inference('lams2combs', [status(thm)], [zip_derived_cl291])).
% 73.19/9.85  thf(zip_derived_cl460, plain,
% 73.19/9.85      (~ (all_of @ 
% 73.19/9.85          ((('#C') @ in @ 
% 73.19/9.85            (pair1type @ (d_Sep @ omega @ ((('#C') @ (!=) @ emptyset)))))) @ 
% 73.19/9.85          ((('#B') @ (all_of @ 
% 73.19/9.85                      ((('#C') @ in @ 
% 73.19/9.85                        (d_Sep @ omega @ ((('#C') @ (!=) @ emptyset)))))) @ 
% 73.19/9.85            ((('#S') @ ((('#B') @ ('#C') @ 
% 73.19/9.85                         ((('#B') @ ((('#B') @ n_eq)) @ 
% 73.19/9.85                           ((('#S') @ ((('#B') @ ('#S') @ 
% 73.19/9.85                                        ((('#B') @ ((('#B') @ n_fr)) @ 
% 73.19/9.85                                          ((('#B') @ n_ts @ num)))))) @ 
% 73.19/9.85                             ((('#B') @ n_ts @ den)))))))) @ 
% 73.19/9.85              ('#I'))))))),
% 73.19/9.85      inference('rw', [status(thm)], [zip_derived_cl292, '0', '1'])).
% 73.19/9.85  thf(def_all_of, axiom, ~ (all_of @ X0 @ X1) =>
% 73.19/9.85    ((((!!) @ (^[Y0 : $i]: (((is_of @ Y0 @ X0) => (X1 @ Y0)))))) != ($true))).
% 73.19/9.85  thf('18', plain,
% 73.19/9.85      (![X0:( $i > $o ),X1:( $i > $o )]:
% 73.19/9.85       ( ( ~( all_of @ X0 @ X1 ) ) <=>
% 73.19/9.85         ( ~( ![X6:$i]: ( ( is_of @ X6 @ X0 ) => ( X1 @ X6 ) ) ) ) )),
% 73.19/9.85      inference('rw.lit', [status(esa)], [def_all_of])).
% 73.19/9.85  thf(zip_derived_cl461, plain,
% 73.19/9.85      (~ (((!!) @ (^[Y0 : $i]:
% 73.19/9.85                     (((is_of @ Y0 @ 
% 73.19/9.85                       ((('#C') @ in @ 
% 73.19/9.85                         (pair1type @ 
% 73.19/9.85                          (d_Sep @ omega @ ((('#C') @ (!=) @ emptyset))))))) =>
% 73.19/9.85                       ((('#B') @ (all_of @ 
% 73.19/9.85                                   ((('#C') @ in @ 
% 73.19/9.85                                     (d_Sep @ omega @ 
% 73.19/9.85                                      ((('#C') @ (!=) @ emptyset)))))) @ 
% 73.19/9.85                         ((('#S') @ ((('#B') @ ('#C') @ 
% 73.19/9.85                                      ((('#B') @ ((('#B') @ n_eq)) @ 
% 73.19/9.85                                        ((('#S') @ ((('#B') @ ('#S') @ 
% 73.19/9.85                                                     ((('#B') @ ((('#B') @ n_fr)) @ 
% 73.19/9.85                                                       ((('#B') @ n_ts @ num)))))) @ 
% 73.19/9.85                                          ((('#B') @ n_ts @ den)))))))) @ 
% 73.19/9.85                           ('#I'))) @ 
% 73.19/9.85                         Y0)))))))),
% 73.19/9.85      inference('rw_clause', [status(thm)], [zip_derived_cl460, '18'])).
% 73.19/9.85  thf(zip_derived_cl462, plain,
% 73.19/9.85      (~ (((!!) @ ((('#S') @ ((('#B') @ (=>) @ 
% 73.19/9.85                               ((('#C') @ is_of @ 
% 73.19/9.85                                 ((('#C') @ in @ 
% 73.19/9.85                                   (pair1type @ 
% 73.19/9.85                                    (d_Sep @ omega @ 
% 73.19/9.85                                     ((('#C') @ (!=) @ emptyset)))))))))) @ 
% 73.19/9.85                    ((('#B') @ (all_of @ 
% 73.19/9.85                                ((('#C') @ in @ 
% 73.19/9.85                                  (d_Sep @ omega @ ((('#C') @ (!=) @ emptyset)))))) @ 
% 73.19/9.85                      ((('#S') @ ((('#B') @ ('#C') @ 
% 73.19/9.85                                   ((('#B') @ ((('#B') @ n_eq)) @ 
% 73.19/9.85                                     ((('#S') @ ((('#B') @ ('#S') @ 
% 73.19/9.85                                                  ((('#B') @ ((('#B') @ n_fr)) @ 
% 73.19/9.85                                                    ((('#B') @ n_ts @ num)))))) @ 
% 73.19/9.85                                       ((('#B') @ n_ts @ den)))))))) @ 
% 73.19/9.85                        ('#I')))))))))),
% 73.19/9.85      inference('comb-normalize', [status(thm)], [zip_derived_cl461])).
% 73.19/9.85  thf(zip_derived_cl463, plain,
% 73.19/9.85      (~ (((is_of @ '#sk2' @ 
% 73.19/9.85           ((('#C') @ in @ 
% 73.19/9.85             (pair1type @ (d_Sep @ omega @ ((('#C') @ (!=) @ emptyset))))))) =>
% 73.19/9.85           (all_of @ 
% 73.19/9.85           ((('#C') @ in @ (d_Sep @ omega @ ((('#C') @ (!=) @ emptyset))))) @ 
% 73.19/9.85           ((('#C') @ ((('#B') @ n_eq @ 
% 73.19/9.85                        ((('#S') @ ((('#B') @ n_fr @ (n_ts @ (num @ '#sk2')))) @ 
% 73.19/9.85                          (n_ts @ (den @ '#sk2')))))) @ 
% 73.19/9.85             '#sk2')))))),
% 73.19/9.85      inference('lazy_cnf_exists', [status(thm)], [zip_derived_cl462])).
% 73.19/9.85  thf(zip_derived_cl464, plain,
% 73.19/9.85      (~ (((is_of @ '#sk2' @ 
% 73.19/9.85           ((('#C') @ in @ 
% 73.19/9.85             (pair1type @ (d_Sep @ omega @ ((('#C') @ (!=) @ emptyset))))))) =>
% 73.19/9.85           (all_of @ 
% 73.19/9.85           ((('#C') @ in @ (d_Sep @ omega @ ((('#C') @ (!=) @ emptyset))))) @ 
% 73.19/9.85           ((('#C') @ ((('#B') @ n_eq @ 
% 73.19/9.85                        ((('#S') @ ((('#B') @ n_fr @ 
% 73.19/9.85                                     (n_ts @ 
% 73.19/9.85                                      (ap @ '#sk2' @ 
% 73.19/9.85                                       (outn @ 
% 73.19/9.85                                        (n_pl @ (ordsucc @ emptyset) @ 
% 73.19/9.85                                         (ordsucc @ emptyset)) @ 
% 73.19/9.85                                        (ordsucc @ emptyset)))))) @ 
% 73.19/9.85                          (n_ts @ 
% 73.19/9.85                           (ap @ '#sk2' @ 
% 73.19/9.85                            (outn @ 
% 73.19/9.85                             (n_pl @ (ordsucc @ emptyset) @ 
% 73.19/9.85                              (ordsucc @ emptyset)) @ 
% 73.19/9.85                             (n_pl @ (ordsucc @ emptyset) @ 
% 73.19/9.85                              (ordsucc @ emptyset))))))))) @ 
% 73.19/9.85             '#sk2')))))),
% 73.19/9.85      inference('rw', [status(thm)],
% 73.19/9.85                [zip_derived_cl463, '0', '3', '4', '5', '6', '7', '8', '9', 
% 73.19/9.85                 '10'])).
% 73.19/9.85  thf(zip_derived_cl466, plain,
% 73.19/9.85      (~ (all_of @ 
% 73.19/9.85          ((('#C') @ in @ (d_Sep @ omega @ ((('#C') @ (!=) @ emptyset))))) @ 
% 73.19/9.85          ((('#C') @ ((('#B') @ n_eq @ 
% 73.19/9.85                       ((('#S') @ ((('#B') @ n_fr @ 
% 73.19/9.85                                    (n_ts @ 
% 73.19/9.85                                     (ap @ '#sk2' @ 
% 73.19/9.85                                      (outn @ 
% 73.19/9.85                                       (n_pl @ (ordsucc @ emptyset) @ 
% 73.19/9.85                                        (ordsucc @ emptyset)) @ 
% 73.19/9.85                                       (ordsucc @ emptyset)))))) @ 
% 73.19/9.85                         (n_ts @ 
% 73.19/9.85                          (ap @ '#sk2' @ 
% 73.19/9.85                           (outn @ 
% 73.19/9.85                            (n_pl @ (ordsucc @ emptyset) @ (ordsucc @ emptyset)) @ 
% 73.19/9.85                            (n_pl @ (ordsucc @ emptyset) @ (ordsucc @ emptyset))))))))) @ 
% 73.19/9.85            '#sk2')))),
% 73.19/9.85      inference('lazy_cnf_imply', [status(thm)], [zip_derived_cl464])).
% 73.19/9.85  thf(zip_derived_cl467, plain,
% 73.19/9.85      (~ (((!!) @ (^[Y0 : $i]:
% 73.19/9.85                     (((is_of @ Y0 @ 
% 73.19/9.85                       ((('#C') @ in @ 
% 73.19/9.85                         (d_Sep @ omega @ ((('#C') @ (!=) @ emptyset)))))) =>
% 73.19/9.85                       ((('#C') @ ((('#B') @ n_eq @ 
% 73.19/9.85                                    ((('#S') @ ((('#B') @ n_fr @ 
% 73.19/9.85                                                 (n_ts @ 
% 73.19/9.85                                                  (ap @ '#sk2' @ 
% 73.19/9.85                                                   (outn @ 
% 73.19/9.85                                                    (n_pl @ 
% 73.19/9.85                                                     (ordsucc @ emptyset) @ 
% 73.19/9.85                                                     (ordsucc @ emptyset)) @ 
% 73.19/9.85                                                    (ordsucc @ emptyset)))))) @ 
% 73.19/9.85                                      (n_ts @ 
% 73.19/9.85                                       (ap @ '#sk2' @ 
% 73.19/9.85                                        (outn @ 
% 73.19/9.85                                         (n_pl @ (ordsucc @ emptyset) @ 
% 73.19/9.85                                          (ordsucc @ emptyset)) @ 
% 73.19/9.85                                         (n_pl @ (ordsucc @ emptyset) @ 
% 73.19/9.85                                          (ordsucc @ emptyset))))))))) @ 
% 73.19/9.85                         '#sk2' @ Y0)))))))),
% 73.19/9.85      inference('rw_clause', [status(thm)], [zip_derived_cl466, '18'])).
% 73.19/9.85  thf(zip_derived_cl468, plain,
% 73.19/9.85      (~ (((!!) @ ((('#S') @ ((('#B') @ (=>) @ 
% 73.19/9.85                               ((('#C') @ is_of @ 
% 73.19/9.85                                 ((('#C') @ in @ 
% 73.19/9.85                                   (d_Sep @ omega @ 
% 73.19/9.85                                    ((('#C') @ (!=) @ emptyset))))))))) @ 
% 73.19/9.85                    ((('#C') @ ((('#B') @ n_eq @ 
% 73.19/9.85                                 ((('#S') @ ((('#B') @ n_fr @ 
% 73.19/9.85                                              (n_ts @ 
% 73.19/9.85                                               (ap @ '#sk2' @ 
% 73.19/9.85                                                (outn @ 
% 73.19/9.85                                                 (n_pl @ 
% 73.19/9.85                                                  (ordsucc @ emptyset) @ 
% 73.19/9.85                                                  (ordsucc @ emptyset)) @ 
% 73.19/9.85                                                 (ordsucc @ emptyset)))))) @ 
% 73.19/9.85                                   (n_ts @ 
% 73.19/9.85                                    (ap @ '#sk2' @ 
% 73.19/9.85                                     (outn @ 
% 73.19/9.85                                      (n_pl @ (ordsucc @ emptyset) @ 
% 73.19/9.85                                       (ordsucc @ emptyset)) @ 
% 73.19/9.85                                      (n_pl @ (ordsucc @ emptyset) @ 
% 73.19/9.85                                       (ordsucc @ emptyset))))))))) @ 
% 73.19/9.85                      '#sk2'))))))),
% 73.19/9.85      inference('comb-normalize', [status(thm)], [zip_derived_cl467])).
% 73.19/9.85  thf(zip_derived_cl469, plain,
% 73.19/9.85      (~ (((is_of @ '#sk3' @ 
% 73.19/9.85           ((('#C') @ in @ (d_Sep @ omega @ ((('#C') @ (!=) @ emptyset)))))) =>
% 73.19/9.85           (n_eq @ 
% 73.19/9.85           (n_fr @ 
% 73.19/9.85            (n_ts @ 
% 73.19/9.85             (ap @ '#sk2' @ 
% 73.19/9.85              (outn @ (n_pl @ (ordsucc @ emptyset) @ (ordsucc @ emptyset)) @ 
% 73.19/9.85               (ordsucc @ emptyset))) @ 
% 73.19/9.85             '#sk3') @ 
% 73.19/9.85            (n_ts @ 
% 73.19/9.85             (ap @ '#sk2' @ 
% 73.19/9.85              (outn @ (n_pl @ (ordsucc @ emptyset) @ (ordsucc @ emptyset)) @ 
% 73.19/9.85               (n_pl @ (ordsucc @ emptyset) @ (ordsucc @ emptyset)))) @ 
% 73.19/9.85             '#sk3')) @ 
% 73.19/9.85           '#sk2')))),
% 73.19/9.85      inference('lazy_cnf_exists', [status(thm)], [zip_derived_cl468])).
% 73.19/9.85  thf(zip_derived_cl470, plain,
% 73.19/9.85      (~ (((is_of @ '#sk3' @ 
% 73.19/9.85           ((('#C') @ in @ (d_Sep @ omega @ ((('#C') @ (!=) @ emptyset)))))) =>
% 73.19/9.85           (((ap @ 
% 73.19/9.85             (times @ 
% 73.19/9.85              (ap @ 
% 73.19/9.85               (d_Sigma @ 
% 73.19/9.85                (d_Sep @ (d_Sep @ omega @ ((('#C') @ (!=) @ emptyset))) @ 
% 73.19/9.85                 ((('#C') @ lessis @ 
% 73.19/9.85                   (n_pl @ (ordsucc @ emptyset) @ (ordsucc @ emptyset))))) @ 
% 73.19/9.85                ((('#C') @ ((('#C') @ ((('#C') @ ((('#B') @ ite @ 
% 73.19/9.85                                                   ((('#C') @ (e_is @ 
% 73.19/9.85                                                               (d_Sep @ 
% 73.19/9.85                                                                (d_Sep @ 
% 73.19/9.85                                                                 omega @ 
% 73.19/9.85                                                                 ((('#C') @ (
% 73.19/9.85                                                                   !=) @ 
% 73.19/9.85                                                                   emptyset))) @ 
% 73.19/9.85                                                                ((('#C') @ lessis @ 
% 73.19/9.85                                                                  (n_pl @ 
% 73.19/9.85                                                                   (ordsucc @ 
% 73.19/9.85                                                                    emptyset) @ 
% 73.19/9.85                                                                   (ordsucc @ 
% 73.19/9.85                                                                    emptyset)))))) @ 
% 73.19/9.85                                                     (outn @ 
% 73.19/9.85                                                      (n_pl @ 
% 73.19/9.85                                                       (ordsucc @ emptyset) @ 
% 73.19/9.85                                                       (ordsucc @ emptyset)) @ 
% 73.19/9.85                                                      (ordsucc @ emptyset)))))) @ 
% 73.19/9.85                                        (d_Sep @ omega @ 
% 73.19/9.85                                         ((('#C') @ (!=) @ emptyset))))) @ 
% 73.19/9.85                             (ap @ 
% 73.19/9.85                              (times @ 
% 73.19/9.85                               (ap @ '#sk2' @ 
% 73.19/9.85                                (outn @ 
% 73.19/9.85                                 (n_pl @ (ordsucc @ emptyset) @ 
% 73.19/9.85                                  (ordsucc @ emptyset)) @ 
% 73.19/9.85                                 (ordsucc @ emptyset)))) @ 
% 73.19/9.85                              '#sk3'))) @ 
% 73.19/9.85                  (ap @ 
% 73.19/9.85                   (times @ 
% 73.19/9.85                    (ap @ '#sk2' @ 
% 73.19/9.85                     (outn @ 
% 73.19/9.85                      (n_pl @ (ordsucc @ emptyset) @ (ordsucc @ emptyset)) @ 
% 73.19/9.85                      (n_pl @ (ordsucc @ emptyset) @ (ordsucc @ emptyset))))) @ 
% 73.19/9.85                   '#sk3')))) @ 
% 73.19/9.85               (outn @ (n_pl @ (ordsucc @ emptyset) @ (ordsucc @ emptyset)) @ 
% 73.19/9.85                (ordsucc @ emptyset)))) @ 
% 73.19/9.85             (ap @ '#sk2' @ 
% 73.19/9.85              (outn @ (n_pl @ (ordsucc @ emptyset) @ (ordsucc @ emptyset)) @ 
% 73.19/9.85               (n_pl @ (ordsucc @ emptyset) @ (ordsucc @ emptyset))))) =
% 73.19/9.85             (ap @ 
% 73.19/9.85             (times @ 
% 73.19/9.85              (ap @ '#sk2' @ 
% 73.19/9.85               (outn @ (n_pl @ (ordsucc @ emptyset) @ (ordsucc @ emptyset)) @ 
% 73.19/9.85                (ordsucc @ emptyset)))) @ 
% 73.19/9.85             (ap @ 
% 73.19/9.85              (d_Sigma @ 
% 73.19/9.85               (d_Sep @ (d_Sep @ omega @ ((('#C') @ (!=) @ emptyset))) @ 
% 73.19/9.85                ((('#C') @ lessis @ 
% 73.19/9.85                  (n_pl @ (ordsucc @ emptyset) @ (ordsucc @ emptyset))))) @ 
% 73.19/9.85               ((('#C') @ ((('#C') @ ((('#C') @ ((('#B') @ ite @ 
% 73.19/9.85                                                  ((('#C') @ (e_is @ 
% 73.19/9.85                                                              (d_Sep @ 
% 73.19/9.85                                                               (d_Sep @ 
% 73.19/9.85                                                                omega @ 
% 73.19/9.85                                                                ((('#C') @ (
% 73.19/9.85                                                                  !=) @ 
% 73.19/9.85                                                                  emptyset))) @ 
% 73.19/9.85                                                               ((('#C') @ lessis @ 
% 73.19/9.85                                                                 (n_pl @ 
% 73.19/9.85                                                                  (ordsucc @ 
% 73.19/9.85                                                                   emptyset) @ 
% 73.19/9.85                                                                  (ordsucc @ 
% 73.19/9.85                                                                   emptyset)))))) @ 
% 73.19/9.85                                                    (outn @ 
% 73.19/9.85                                                     (n_pl @ 
% 73.19/9.85                                                      (ordsucc @ emptyset) @ 
% 73.19/9.85                                                      (ordsucc @ emptyset)) @ 
% 73.19/9.85                                                     (ordsucc @ emptyset)))))) @ 
% 73.19/9.85                                       (d_Sep @ omega @ 
% 73.19/9.85                                        ((('#C') @ (!=) @ emptyset))))) @ 
% 73.19/9.85                            (ap @ 
% 73.19/9.85                             (times @ 
% 73.19/9.85                              (ap @ '#sk2' @ 
% 73.19/9.85                               (outn @ 
% 73.19/9.85                                (n_pl @ (ordsucc @ emptyset) @ 
% 73.19/9.85                                 (ordsucc @ emptyset)) @ 
% 73.19/9.85                                (ordsucc @ emptyset)))) @ 
% 73.19/9.85                             '#sk3'))) @ 
% 73.19/9.85                 (ap @ 
% 73.19/9.85                  (times @ 
% 73.19/9.85                   (ap @ '#sk2' @ 
% 73.19/9.85                    (outn @ 
% 73.19/9.85                     (n_pl @ (ordsucc @ emptyset) @ (ordsucc @ emptyset)) @ 
% 73.19/9.85                     (n_pl @ (ordsucc @ emptyset) @ (ordsucc @ emptyset))))) @ 
% 73.19/9.85                  '#sk3')))) @ 
% 73.19/9.85              (outn @ (n_pl @ (ordsucc @ emptyset) @ (ordsucc @ emptyset)) @ 
% 73.19/9.85               (n_pl @ (ordsucc @ emptyset) @ (ordsucc @ emptyset)))))))))),
% 73.19/9.85      inference('rw', [status(thm)],
% 73.19/9.85                [zip_derived_cl469, '11', '0', '12', '3', '13', '13', '13', 
% 73.19/9.85                 '13', '14', '4', '5', '6', '15', '7', '7', '8', '8', '16', 
% 73.19/9.85                 '9', '9', '10', '10', '17'])).
% 73.19/9.85  thf(zip_derived_cl472, plain,
% 73.19/9.85      (~ (((ap @ 
% 73.19/9.85           (times @ 
% 73.19/9.85            (ap @ 
% 73.19/9.85             (d_Sigma @ 
% 73.19/9.85              (d_Sep @ (d_Sep @ omega @ ((('#C') @ (!=) @ emptyset))) @ 
% 73.19/9.85               ((('#C') @ lessis @ 
% 73.19/9.85                 (n_pl @ (ordsucc @ emptyset) @ (ordsucc @ emptyset))))) @ 
% 73.19/9.85              ((('#C') @ ((('#C') @ ((('#C') @ ((('#B') @ ite @ 
% 73.19/9.85                                                 ((('#C') @ (e_is @ 
% 73.19/9.85                                                             (d_Sep @ 
% 73.19/9.85                                                              (d_Sep @ omega @ 
% 73.19/9.85                                                               ((('#C') @ (
% 73.19/9.85                                                                 !=) @ emptyset))) @ 
% 73.19/9.85                                                              ((('#C') @ lessis @ 
% 73.19/9.85                                                                (n_pl @ 
% 73.19/9.85                                                                 (ordsucc @ 
% 73.19/9.85                                                                  emptyset) @ 
% 73.19/9.85                                                                 (ordsucc @ 
% 73.19/9.85                                                                  emptyset)))))) @ 
% 73.19/9.85                                                   (outn @ 
% 73.19/9.85                                                    (n_pl @ 
% 73.19/9.85                                                     (ordsucc @ emptyset) @ 
% 73.19/9.85                                                     (ordsucc @ emptyset)) @ 
% 73.19/9.85                                                    (ordsucc @ emptyset)))))) @ 
% 73.19/9.85                                      (d_Sep @ omega @ 
% 73.19/9.85                                       ((('#C') @ (!=) @ emptyset))))) @ 
% 73.19/9.85                           (ap @ 
% 73.19/9.85                            (times @ 
% 73.19/9.85                             (ap @ '#sk2' @ 
% 73.19/9.85                              (outn @ 
% 73.19/9.85                               (n_pl @ (ordsucc @ emptyset) @ 
% 73.19/9.85                                (ordsucc @ emptyset)) @ 
% 73.19/9.85                               (ordsucc @ emptyset)))) @ 
% 73.19/9.85                            '#sk3'))) @ 
% 73.19/9.85                (ap @ 
% 73.19/9.85                 (times @ 
% 73.19/9.85                  (ap @ '#sk2' @ 
% 73.19/9.85                   (outn @ 
% 73.19/9.85                    (n_pl @ (ordsucc @ emptyset) @ (ordsucc @ emptyset)) @ 
% 73.19/9.85                    (n_pl @ (ordsucc @ emptyset) @ (ordsucc @ emptyset))))) @ 
% 73.19/9.85                 '#sk3')))) @ 
% 73.19/9.85             (outn @ (n_pl @ (ordsucc @ emptyset) @ (ordsucc @ emptyset)) @ 
% 73.19/9.85              (ordsucc @ emptyset)))) @ 
% 73.19/9.85           (ap @ '#sk2' @ 
% 73.19/9.85            (outn @ (n_pl @ (ordsucc @ emptyset) @ (ordsucc @ emptyset)) @ 
% 73.19/9.85             (n_pl @ (ordsucc @ emptyset) @ (ordsucc @ emptyset))))) =
% 73.19/9.85           (ap @ 
% 73.19/9.85           (times @ 
% 73.19/9.85            (ap @ '#sk2' @ 
% 73.19/9.85             (outn @ (n_pl @ (ordsucc @ emptyset) @ (ordsucc @ emptyset)) @ 
% 73.19/9.85              (ordsucc @ emptyset)))) @ 
% 73.19/9.85           (ap @ 
% 73.19/9.85            (d_Sigma @ 
% 73.19/9.85             (d_Sep @ (d_Sep @ omega @ ((('#C') @ (!=) @ emptyset))) @ 
% 73.19/9.85              ((('#C') @ lessis @ 
% 73.19/9.85                (n_pl @ (ordsucc @ emptyset) @ (ordsucc @ emptyset))))) @ 
% 73.19/9.85             ((('#C') @ ((('#C') @ ((('#C') @ ((('#B') @ ite @ 
% 73.19/9.85                                                ((('#C') @ (e_is @ 
% 73.19/9.85                                                            (d_Sep @ 
% 73.19/9.85                                                             (d_Sep @ omega @ 
% 73.19/9.85                                                              ((('#C') @ (
% 73.19/9.85                                                                !=) @ emptyset))) @ 
% 73.19/9.85                                                             ((('#C') @ lessis @ 
% 73.19/9.85                                                               (n_pl @ 
% 73.19/9.85                                                                (ordsucc @ 
% 73.19/9.85                                                                 emptyset) @ 
% 73.19/9.85                                                                (ordsucc @ 
% 73.19/9.85                                                                 emptyset)))))) @ 
% 73.19/9.85                                                  (outn @ 
% 73.19/9.85                                                   (n_pl @ 
% 73.19/9.85                                                    (ordsucc @ emptyset) @ 
% 73.19/9.85                                                    (ordsucc @ emptyset)) @ 
% 73.19/9.85                                                   (ordsucc @ emptyset)))))) @ 
% 73.19/9.85                                     (d_Sep @ omega @ 
% 73.19/9.85                                      ((('#C') @ (!=) @ emptyset))))) @ 
% 73.19/9.85                          (ap @ 
% 73.19/9.85                           (times @ 
% 73.19/9.85                            (ap @ '#sk2' @ 
% 73.19/9.85                             (outn @ 
% 73.19/9.85                              (n_pl @ (ordsucc @ emptyset) @ 
% 73.19/9.85                               (ordsucc @ emptyset)) @ 
% 73.19/9.85                              (ordsucc @ emptyset)))) @ 
% 73.19/9.85                           '#sk3'))) @ 
% 73.19/9.85               (ap @ 
% 73.19/9.85                (times @ 
% 73.19/9.85                 (ap @ '#sk2' @ 
% 73.19/9.85                  (outn @ 
% 73.19/9.85                   (n_pl @ (ordsucc @ emptyset) @ (ordsucc @ emptyset)) @ 
% 73.19/9.85                   (n_pl @ (ordsucc @ emptyset) @ (ordsucc @ emptyset))))) @ 
% 73.19/9.85                '#sk3')))) @ 
% 73.19/9.85            (outn @ (n_pl @ (ordsucc @ emptyset) @ (ordsucc @ emptyset)) @ 
% 73.19/9.85             (n_pl @ (ordsucc @ emptyset) @ (ordsucc @ emptyset)))))))),
% 73.19/9.85      inference('lazy_cnf_imply', [status(thm)], [zip_derived_cl470])).
% 73.19/9.85  thf(zip_derived_cl473, plain,
% 73.19/9.85      (((ap @ 
% 73.19/9.85         (times @ 
% 73.19/9.85          (ap @ 
% 73.19/9.85           (d_Sigma @ 
% 73.19/9.85            (d_Sep @ (d_Sep @ omega @ ((('#C') @ (!=) @ emptyset))) @ 
% 73.19/9.85             ((('#C') @ lessis @ 
% 73.19/9.85               (n_pl @ (ordsucc @ emptyset) @ (ordsucc @ emptyset))))) @ 
% 73.19/9.85            ((('#C') @ ((('#C') @ ((('#C') @ ((('#B') @ ite @ 
% 73.19/9.85                                               ((('#C') @ (e_is @ 
% 73.19/9.85                                                           (d_Sep @ 
% 73.19/9.85                                                            (d_Sep @ omega @ 
% 73.19/9.85                                                             ((('#C') @ (
% 73.19/9.85                                                               !=) @ emptyset))) @ 
% 73.19/9.85                                                            ((('#C') @ lessis @ 
% 73.19/9.85                                                              (n_pl @ 
% 73.19/9.85                                                               (ordsucc @ 
% 73.19/9.85                                                                emptyset) @ 
% 73.19/9.85                                                               (ordsucc @ 
% 73.19/9.85                                                                emptyset)))))) @ 
% 73.19/9.85                                                 (outn @ 
% 73.19/9.85                                                  (n_pl @ 
% 73.19/9.85                                                   (ordsucc @ emptyset) @ 
% 73.19/9.85                                                   (ordsucc @ emptyset)) @ 
% 73.19/9.85                                                  (ordsucc @ emptyset)))))) @ 
% 73.19/9.85                                    (d_Sep @ omega @ 
% 73.19/9.85                                     ((('#C') @ (!=) @ emptyset))))) @ 
% 73.19/9.85                         (ap @ 
% 73.19/9.85                          (times @ 
% 73.19/9.85                           (ap @ '#sk2' @ 
% 73.19/9.85                            (outn @ 
% 73.19/9.85                             (n_pl @ (ordsucc @ emptyset) @ 
% 73.19/9.85                              (ordsucc @ emptyset)) @ 
% 73.19/9.85                             (ordsucc @ emptyset)))) @ 
% 73.19/9.85                          '#sk3'))) @ 
% 73.19/9.85              (ap @ 
% 73.19/9.85               (times @ 
% 73.19/9.85                (ap @ '#sk2' @ 
% 73.19/9.85                 (outn @ 
% 73.19/9.85                  (n_pl @ (ordsucc @ emptyset) @ (ordsucc @ emptyset)) @ 
% 73.19/9.85                  (n_pl @ (ordsucc @ emptyset) @ (ordsucc @ emptyset))))) @ 
% 73.19/9.85               '#sk3')))) @ 
% 73.19/9.85           (outn @ (n_pl @ (ordsucc @ emptyset) @ (ordsucc @ emptyset)) @ 
% 73.19/9.85            (ordsucc @ emptyset)))) @ 
% 73.19/9.85         (ap @ '#sk2' @ 
% 73.19/9.85          (outn @ (n_pl @ (ordsucc @ emptyset) @ (ordsucc @ emptyset)) @ 
% 73.19/9.85           (n_pl @ (ordsucc @ emptyset) @ (ordsucc @ emptyset)))))
% 73.19/9.85         != (ap @ 
% 73.19/9.85             (times @ 
% 73.19/9.85              (ap @ '#sk2' @ 
% 73.19/9.85               (outn @ (n_pl @ (ordsucc @ emptyset) @ (ordsucc @ emptyset)) @ 
% 73.19/9.85                (ordsucc @ emptyset)))) @ 
% 73.19/9.85             (ap @ 
% 73.19/9.85              (d_Sigma @ 
% 73.19/9.85               (d_Sep @ (d_Sep @ omega @ ((('#C') @ (!=) @ emptyset))) @ 
% 73.19/9.85                ((('#C') @ lessis @ 
% 73.19/9.85                  (n_pl @ (ordsucc @ emptyset) @ (ordsucc @ emptyset))))) @ 
% 73.19/9.85               ((('#C') @ ((('#C') @ ((('#C') @ ((('#B') @ ite @ 
% 73.19/9.85                                                  ((('#C') @ (e_is @ 
% 73.19/9.85                                                              (d_Sep @ 
% 73.19/9.85                                                               (d_Sep @ 
% 73.19/9.85                                                                omega @ 
% 73.19/9.85                                                                ((('#C') @ (
% 73.19/9.85                                                                  !=) @ 
% 73.19/9.85                                                                  emptyset))) @ 
% 73.19/9.85                                                               ((('#C') @ lessis @ 
% 73.19/9.85                                                                 (n_pl @ 
% 73.19/9.85                                                                  (ordsucc @ 
% 73.19/9.85                                                                   emptyset) @ 
% 73.19/9.85                                                                  (ordsucc @ 
% 73.19/9.85                                                                   emptyset)))))) @ 
% 73.19/9.85                                                    (outn @ 
% 73.19/9.85                                                     (n_pl @ 
% 73.19/9.85                                                      (ordsucc @ emptyset) @ 
% 73.19/9.85                                                      (ordsucc @ emptyset)) @ 
% 73.19/9.85                                                     (ordsucc @ emptyset)))))) @ 
% 73.19/9.85                                       (d_Sep @ omega @ 
% 73.19/9.85                                        ((('#C') @ (!=) @ emptyset))))) @ 
% 73.19/9.85                            (ap @ 
% 73.19/9.85                             (times @ 
% 73.19/9.85                              (ap @ '#sk2' @ 
% 73.19/9.85                               (outn @ 
% 73.19/9.85                                (n_pl @ (ordsucc @ emptyset) @ 
% 73.19/9.85                                 (ordsucc @ emptyset)) @ 
% 73.19/9.85                                (ordsucc @ emptyset)))) @ 
% 73.19/9.85                             '#sk3'))) @ 
% 73.19/9.85                 (ap @ 
% 73.19/9.85                  (times @ 
% 73.19/9.85                   (ap @ '#sk2' @ 
% 73.19/9.85                    (outn @ 
% 73.19/9.85                     (n_pl @ (ordsucc @ emptyset) @ (ordsucc @ emptyset)) @ 
% 73.19/9.85                     (n_pl @ (ordsucc @ emptyset) @ (ordsucc @ emptyset))))) @ 
% 73.19/9.85                  '#sk3')))) @ 
% 73.19/9.85              (outn @ (n_pl @ (ordsucc @ emptyset) @ (ordsucc @ emptyset)) @ 
% 73.19/9.85               (n_pl @ (ordsucc @ emptyset) @ (ordsucc @ emptyset))))))),
% 73.19/9.85      inference('simplify nested equalities', [status(thm)],
% 73.19/9.85                [zip_derived_cl472])).
% 73.19/9.85  thf(zip_derived_cl5600, plain,
% 73.19/9.85      ((((ap @ 
% 73.19/9.85          (times @ 
% 73.19/9.85           (ap @ '#sk2' @ 
% 73.19/9.85            (outn @ (n_pl @ (ordsucc @ emptyset) @ (ordsucc @ emptyset)) @ 
% 73.19/9.85             (ordsucc @ emptyset)))) @ 
% 73.19/9.85          (ap @ 
% 73.19/9.85           (d_Sigma @ 
% 73.19/9.85            (d_Sep @ (d_Sep @ omega @ ((('#C') @ (!=) @ emptyset))) @ 
% 73.19/9.85             ((('#C') @ lessis @ 
% 73.19/9.85               (n_pl @ (ordsucc @ emptyset) @ (ordsucc @ emptyset))))) @ 
% 73.19/9.85            ((('#C') @ ((('#C') @ ((('#C') @ ((('#B') @ ite @ 
% 73.19/9.85                                               ((('#C') @ (e_is @ 
% 73.19/9.85                                                           (d_Sep @ 
% 73.19/9.85                                                            (d_Sep @ omega @ 
% 73.19/9.85                                                             ((('#C') @ (
% 73.19/9.85                                                               !=) @ emptyset))) @ 
% 73.19/9.85                                                            ((('#C') @ lessis @ 
% 73.19/9.85                                                              (n_pl @ 
% 73.19/9.85                                                               (ordsucc @ 
% 73.19/9.85                                                                emptyset) @ 
% 73.19/9.85                                                               (ordsucc @ 
% 73.19/9.85                                                                emptyset)))))) @ 
% 73.19/9.85                                                 (outn @ 
% 73.19/9.85                                                  (n_pl @ 
% 73.19/9.85                                                   (ordsucc @ emptyset) @ 
% 73.19/9.85                                                   (ordsucc @ emptyset)) @ 
% 73.19/9.85                                                  (ordsucc @ emptyset)))))) @ 
% 73.19/9.85                                    (d_Sep @ omega @ 
% 73.19/9.85                                     ((('#C') @ (!=) @ emptyset))))) @ 
% 73.19/9.85                         (ap @ 
% 73.19/9.85                          (times @ 
% 73.19/9.85                           (ap @ '#sk2' @ 
% 73.19/9.85                            (outn @ 
% 73.19/9.85                             (n_pl @ (ordsucc @ emptyset) @ 
% 73.19/9.85                              (ordsucc @ emptyset)) @ 
% 73.19/9.85                             (ordsucc @ emptyset)))) @ 
% 73.19/9.85                          '#sk3'))) @ 
% 73.19/9.85              (ap @ 
% 73.19/9.85               (times @ 
% 73.19/9.85                (ap @ '#sk2' @ 
% 73.19/9.85                 (outn @ 
% 73.19/9.85                  (n_pl @ (ordsucc @ emptyset) @ (ordsucc @ emptyset)) @ 
% 73.19/9.85                  (n_pl @ (ordsucc @ emptyset) @ (ordsucc @ emptyset))))) @ 
% 73.19/9.85               '#sk3')))) @ 
% 73.19/9.85           (outn @ (n_pl @ (ordsucc @ emptyset) @ (ordsucc @ emptyset)) @ 
% 73.19/9.85            (n_pl @ (ordsucc @ emptyset) @ (ordsucc @ emptyset)))))
% 73.19/9.85          != (ap @ 
% 73.19/9.85              (times @ 
% 73.19/9.85               (ap @ '#sk2' @ 
% 73.19/9.85                (outn @ (n_pl @ (ordsucc @ emptyset) @ (ordsucc @ emptyset)) @ 
% 73.19/9.85                 (ordsucc @ emptyset)))) @ 
% 73.19/9.85              (ap @ 
% 73.19/9.85               (d_Sigma @ 
% 73.19/9.85                (d_Sep @ (d_Sep @ omega @ ((('#C') @ (!=) @ emptyset))) @ 
% 73.19/9.85                 ((('#C') @ lessis @ 
% 73.19/9.85                   (n_pl @ (ordsucc @ emptyset) @ (ordsucc @ emptyset))))) @ 
% 73.19/9.85                ((('#C') @ ((('#C') @ ((('#C') @ ((('#B') @ ite @ 
% 73.19/9.85                                                   ((('#C') @ (e_is @ 
% 73.19/9.85                                                               (d_Sep @ 
% 73.19/9.85                                                                (d_Sep @ 
% 73.19/9.85                                                                 omega @ 
% 73.19/9.85                                                                 ((('#C') @ (
% 73.19/9.85                                                                   !=) @ 
% 73.19/9.85                                                                   emptyset))) @ 
% 73.19/9.85                                                                ((('#C') @ lessis @ 
% 73.19/9.85                                                                  (n_pl @ 
% 73.19/9.85                                                                   (ordsucc @ 
% 73.19/9.85                                                                    emptyset) @ 
% 73.19/9.85                                                                   (ordsucc @ 
% 73.19/9.85                                                                    emptyset)))))) @ 
% 73.19/9.85                                                     (outn @ 
% 73.19/9.85                                                      (n_pl @ 
% 73.19/9.85                                                       (ordsucc @ emptyset) @ 
% 73.19/9.85                                                       (ordsucc @ emptyset)) @ 
% 73.19/9.85                                                      (ordsucc @ emptyset)))))) @ 
% 73.19/9.85                                        (d_Sep @ omega @ 
% 73.19/9.85                                         ((('#C') @ (!=) @ emptyset))))) @ 
% 73.19/9.85                             (ap @ 
% 73.19/9.85                              (times @ 
% 73.19/9.85                               (ap @ '#sk2' @ 
% 73.19/9.85                                (outn @ 
% 73.19/9.85                                 (n_pl @ (ordsucc @ emptyset) @ 
% 73.19/9.85                                  (ordsucc @ emptyset)) @ 
% 73.19/9.85                                 (ordsucc @ emptyset)))) @ 
% 73.19/9.85                              '#sk3'))) @ 
% 73.19/9.85                  (ap @ 
% 73.19/9.85                   (times @ 
% 73.19/9.85                    (ap @ '#sk2' @ 
% 73.19/9.85                     (outn @ 
% 73.19/9.85                      (n_pl @ (ordsucc @ emptyset) @ (ordsucc @ emptyset)) @ 
% 73.19/9.85                      (n_pl @ (ordsucc @ emptyset) @ (ordsucc @ emptyset))))) @ 
% 73.19/9.85                   '#sk3')))) @ 
% 73.19/9.85               (outn @ (n_pl @ (ordsucc @ emptyset) @ (ordsucc @ emptyset)) @ 
% 73.19/9.85                (n_pl @ (ordsucc @ emptyset) @ (ordsucc @ emptyset))))))
% 73.19/9.85        | ~ (is_of @ '#sk2' @ 
% 73.19/9.85             ((('#C') @ in @ 
% 73.19/9.85               (pair1type @ (d_Sep @ omega @ ((('#C') @ (!=) @ emptyset)))))))
% 73.19/9.85        | ~ (is_of @ '#sk3' @ 
% 73.19/9.85             ((('#C') @ in @ (d_Sep @ omega @ ((('#C') @ (!=) @ emptyset)))))))),
% 73.19/9.85      inference('sup-', [status(thm)], [zip_derived_cl884, zip_derived_cl473])).
% 73.19/9.85  thf(zip_derived_cl465, plain,
% 73.19/9.85      ( (is_of @ '#sk2' @ 
% 73.19/9.85         ((('#C') @ in @ 
% 73.19/9.85           (pair1type @ (d_Sep @ omega @ ((('#C') @ (!=) @ emptyset)))))))),
% 73.19/9.85      inference('lazy_cnf_imply', [status(thm)], [zip_derived_cl464])).
% 73.19/9.85  thf(zip_derived_cl471, plain,
% 73.19/9.85      ( (is_of @ '#sk3' @ 
% 73.19/9.85         ((('#C') @ in @ (d_Sep @ omega @ ((('#C') @ (!=) @ emptyset))))))),
% 73.19/9.85      inference('lazy_cnf_imply', [status(thm)], [zip_derived_cl470])).
% 73.19/9.85  thf(zip_derived_cl6036, plain,
% 73.19/9.85      (((ap @ 
% 73.19/9.85         (times @ 
% 73.19/9.85          (ap @ '#sk2' @ 
% 73.19/9.85           (outn @ (n_pl @ (ordsucc @ emptyset) @ (ordsucc @ emptyset)) @ 
% 73.19/9.85            (ordsucc @ emptyset)))) @ 
% 73.19/9.85         (ap @ 
% 73.19/9.85          (d_Sigma @ 
% 73.19/9.85           (d_Sep @ (d_Sep @ omega @ ((('#C') @ (!=) @ emptyset))) @ 
% 73.19/9.85            ((('#C') @ lessis @ 
% 73.19/9.85              (n_pl @ (ordsucc @ emptyset) @ (ordsucc @ emptyset))))) @ 
% 73.19/9.85           ((('#C') @ ((('#C') @ ((('#C') @ ((('#B') @ ite @ 
% 73.19/9.85                                              ((('#C') @ (e_is @ 
% 73.19/9.85                                                          (d_Sep @ 
% 73.19/9.85                                                           (d_Sep @ omega @ 
% 73.19/9.85                                                            ((('#C') @ (
% 73.19/9.85                                                              !=) @ emptyset))) @ 
% 73.19/9.85                                                           ((('#C') @ lessis @ 
% 73.19/9.85                                                             (n_pl @ 
% 73.19/9.85                                                              (ordsucc @ 
% 73.19/9.85                                                               emptyset) @ 
% 73.19/9.85                                                              (ordsucc @ 
% 73.19/9.85                                                               emptyset)))))) @ 
% 73.19/9.85                                                (outn @ 
% 73.19/9.85                                                 (n_pl @ 
% 73.19/9.85                                                  (ordsucc @ emptyset) @ 
% 73.19/9.85                                                  (ordsucc @ emptyset)) @ 
% 73.19/9.85                                                 (ordsucc @ emptyset)))))) @ 
% 73.19/9.85                                   (d_Sep @ omega @ 
% 73.19/9.85                                    ((('#C') @ (!=) @ emptyset))))) @ 
% 73.19/9.85                        (ap @ 
% 73.19/9.85                         (times @ 
% 73.19/9.85                          (ap @ '#sk2' @ 
% 73.19/9.85                           (outn @ 
% 73.19/9.85                            (n_pl @ (ordsucc @ emptyset) @ (ordsucc @ emptyset)) @ 
% 73.19/9.85                            (ordsucc @ emptyset)))) @ 
% 73.19/9.85                         '#sk3'))) @ 
% 73.19/9.85             (ap @ 
% 73.19/9.85              (times @ 
% 73.19/9.85               (ap @ '#sk2' @ 
% 73.19/9.85                (outn @ (n_pl @ (ordsucc @ emptyset) @ (ordsucc @ emptyset)) @ 
% 73.19/9.85                 (n_pl @ (ordsucc @ emptyset) @ (ordsucc @ emptyset))))) @ 
% 73.19/9.85              '#sk3')))) @ 
% 73.19/9.85          (outn @ (n_pl @ (ordsucc @ emptyset) @ (ordsucc @ emptyset)) @ 
% 73.19/9.85           (n_pl @ (ordsucc @ emptyset) @ (ordsucc @ emptyset)))))
% 73.19/9.85         != (ap @ 
% 73.19/9.85             (times @ 
% 73.19/9.85              (ap @ '#sk2' @ 
% 73.19/9.85               (outn @ (n_pl @ (ordsucc @ emptyset) @ (ordsucc @ emptyset)) @ 
% 73.19/9.85                (ordsucc @ emptyset)))) @ 
% 73.19/9.85             (ap @ 
% 73.19/9.85              (d_Sigma @ 
% 73.19/9.85               (d_Sep @ (d_Sep @ omega @ ((('#C') @ (!=) @ emptyset))) @ 
% 73.19/9.85                ((('#C') @ lessis @ 
% 73.19/9.85                  (n_pl @ (ordsucc @ emptyset) @ (ordsucc @ emptyset))))) @ 
% 73.19/9.85               ((('#C') @ ((('#C') @ ((('#C') @ ((('#B') @ ite @ 
% 73.19/9.85                                                  ((('#C') @ (e_is @ 
% 73.19/9.85                                                              (d_Sep @ 
% 73.19/9.85                                                               (d_Sep @ 
% 73.19/9.85                                                                omega @ 
% 73.19/9.85                                                                ((('#C') @ (
% 73.19/9.85                                                                  !=) @ 
% 73.19/9.85                                                                  emptyset))) @ 
% 73.19/9.85                                                               ((('#C') @ lessis @ 
% 73.19/9.85                                                                 (n_pl @ 
% 73.19/9.85                                                                  (ordsucc @ 
% 73.19/9.85                                                                   emptyset) @ 
% 73.19/9.85                                                                  (ordsucc @ 
% 73.19/9.85                                                                   emptyset)))))) @ 
% 73.19/9.85                                                    (outn @ 
% 73.19/9.85                                                     (n_pl @ 
% 73.19/9.85                                                      (ordsucc @ emptyset) @ 
% 73.19/9.85                                                      (ordsucc @ emptyset)) @ 
% 73.19/9.85                                                     (ordsucc @ emptyset)))))) @ 
% 73.19/9.85                                       (d_Sep @ omega @ 
% 73.19/9.85                                        ((('#C') @ (!=) @ emptyset))))) @ 
% 73.19/9.85                            (ap @ 
% 73.19/9.85                             (times @ 
% 73.19/9.85                              (ap @ '#sk2' @ 
% 73.19/9.85                               (outn @ 
% 73.19/9.85                                (n_pl @ (ordsucc @ emptyset) @ 
% 73.19/9.85                                 (ordsucc @ emptyset)) @ 
% 73.19/9.85                                (ordsucc @ emptyset)))) @ 
% 73.19/9.85                             '#sk3'))) @ 
% 73.19/9.85                 (ap @ 
% 73.19/9.85                  (times @ 
% 73.19/9.85                   (ap @ '#sk2' @ 
% 73.19/9.85                    (outn @ 
% 73.19/9.85                     (n_pl @ (ordsucc @ emptyset) @ (ordsucc @ emptyset)) @ 
% 73.19/9.85                     (n_pl @ (ordsucc @ emptyset) @ (ordsucc @ emptyset))))) @ 
% 73.19/9.85                  '#sk3')))) @ 
% 73.19/9.85              (outn @ (n_pl @ (ordsucc @ emptyset) @ (ordsucc @ emptyset)) @ 
% 73.19/9.85               (n_pl @ (ordsucc @ emptyset) @ (ordsucc @ emptyset))))))),
% 73.19/9.85      inference('demod', [status(thm)],
% 73.19/9.85                [zip_derived_cl5600, zip_derived_cl465, zip_derived_cl471])).
% 73.19/9.85  thf(zip_derived_cl6037, plain, ($false),
% 73.19/9.85      inference('simplify', [status(thm)], [zip_derived_cl6036])).
% 73.19/9.85  
% 73.19/9.85  % SZS output end Refutation
% 73.19/9.85  
% 73.19/9.85  
% 73.19/9.85  % Terminating...
% 73.19/9.91  % Runner terminated.
% 73.19/9.93  % Zipperpin 1.5 exiting
%------------------------------------------------------------------------------