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Zipperpin---2.1.9999.THM-Ref.s

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%------------------------------------------------------------------------------
% File     : Zipperpin---2.1.9999
% Problem  : NUM676^4 : TPTP v9.2.0. Released v7.1.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : python3 /export/starexec/sandbox2/solver/bin/portfolio.lams.parallel.py %s %d /export/starexec/sandbox2/tmp/tmp.DMveMEZNKG 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 04:47:57 PM UTC 2025

% Result   : Theorem 24.11s 4.42s
% Output   : Refutation 24.11s
% Verified : 
% SZS Type : -

% Comments : 
%------------------------------------------------------------------------------
%----WARNING: Could not form TPTP format derivation
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.07/0.14  % Problem  : NUM676^4 : TPTP v9.2.0. Released v7.1.0.
% 0.07/0.15  % Command  : python3 /export/starexec/sandbox2/solver/bin/portfolio.lams.parallel.py %s %d /export/starexec/sandbox2/tmp/tmp.DMveMEZNKG true
% 0.15/0.37  % Computer : n006.cluster.edu
% 0.15/0.37  % Model    : x86_64 x86_64
% 0.15/0.37  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.15/0.37  % Memory   : 8042.1875MB
% 0.15/0.37  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.15/0.37  % CPULimit : 300
% 0.15/0.37  % WCLimit  : 300
% 0.15/0.37  % DateTime : Wed Oct  1 16:40:38 EDT 2025
% 0.15/0.37  % CPUTime  : 
% 0.15/0.37  % Running portfolio for 300 s
% 0.15/0.37  % File         : /export/starexec/sandbox2/benchmark/theBenchmark.p
% 0.15/0.37  % Number of cores: 8
% 0.15/0.38  % Python version: Python 3.6.8
% 0.15/0.38  % Running in HO mode
% 0.55/0.70  % Total configuration time : 828
% 0.55/0.70  % Estimated wc time : 1656
% 0.55/0.70  % Estimated cpu time (8 cpus) : 207.0
% 0.58/0.82  % /export/starexec/sandbox2/solver/bin/lams/40_c.s.sh running for 80s
% 0.58/0.83  % /export/starexec/sandbox2/solver/bin/lams/35_full_unif4.sh running for 80s
% 0.58/0.83  % /export/starexec/sandbox2/solver/bin/lams/40_c_ic.sh running for 80s
% 0.58/0.83  % /export/starexec/sandbox2/solver/bin/lams/40_b.comb.sh running for 70s
% 0.58/0.83  % /export/starexec/sandbox2/solver/bin/lams/15_e_short1.sh running for 30s
% 0.58/0.83  % /export/starexec/sandbox2/solver/bin/lams/40_noforms.sh running for 90s
% 0.58/0.83  % /export/starexec/sandbox2/solver/bin/lams/20_acsne_simpl.sh running for 40s
% 0.59/0.87  % /export/starexec/sandbox2/solver/bin/lams/30_sp5.sh running for 60s
% 24.11/4.42  % Solved by lams/40_b.comb.sh.
% 24.11/4.42  % done 329 iterations in 3.498s
% 24.11/4.42  % SZS status Theorem for '/export/starexec/sandbox2/benchmark/theBenchmark.p'
% 24.11/4.42  % SZS output start Refutation
% 24.11/4.42  thf(d_29_ii_type, type, d_29_ii: $i > $i > $o).
% 24.11/4.42  thf(nat_type, type, nat: $i).
% 24.11/4.42  thf(is_of_type, type, is_of: $i > ($i > $o) > $o).
% 24.11/4.42  thf(in_type, type, in: $i > $i > $o).
% 24.11/4.42  thf('#sk3_type', type, '#sk3': $i).
% 24.11/4.42  thf(l_some_type, type, l_some: $i > ($i > $o) > $o).
% 24.11/4.42  thf(d_Sep_type, type, d_Sep: $i > ($i > $o) > $i).
% 24.11/4.42  thf(ap_type, type, ap: $i > $i > $i).
% 24.11/4.42  thf(emptyset_type, type, emptyset: $i).
% 24.11/4.42  thf('#sk4_type', type, '#sk4': $i).
% 24.11/4.42  thf(n_is_type, type, n_is: $i > $i > $o).
% 24.11/4.42  thf('#sk5_type', type, '#sk5': $i).
% 24.11/4.42  thf(omega_type, type, omega: $i).
% 24.11/4.42  thf(all_of_type, type, all_of: ($i > $o) > ($i > $o) > $o).
% 24.11/4.42  thf(diffprop_type, type, diffprop: $i > $i > $i > $o).
% 24.11/4.42  thf(n_some_type, type, n_some: ($i > $o) > $o).
% 24.11/4.42  thf('#sk2_type', type, '#sk2': $i).
% 24.11/4.42  thf(plus_type, type, plus: $i > $i).
% 24.11/4.42  thf(e_is_type, type, e_is: $i > $i > $i > $o).
% 24.11/4.42  thf(n_pl_type, type, n_pl: $i > $i > $i).
% 24.11/4.42  thf(s_comb_type, type, '#S': !>[A:$tType, B:$tType, C:$tType]: ((A > B > C) > (A > B) > A > C)).
% 24.11/4.42  thf(c_comb_type, type, '#C': !>[A:$tType, B:$tType, C:$tType]: ((A > B > C) > B > A > C)).
% 24.11/4.42  thf(b_comb_type, type, '#B': !>[A:$tType, B:$tType, C:$tType]: ((A > B) > (C > A) > C > B)).
% 24.11/4.42  thf(k_comb_type, type, '#K': !>[A:$tType, B:$tType]: (B > A > B)).
% 24.11/4.42  thf(i_comb_type, type, '#I': !>[A:$tType]: (A > A)).
% 24.11/4.42  thf(satz19d, axiom,
% 24.11/4.42    (all_of @
% 24.11/4.42     ( ^[X0:$i]: ( in @ X0 @ nat ) ) @ 
% 24.11/4.42     ( ^[X0:$i]:
% 24.11/4.42       ( all_of @
% 24.11/4.42         ( ^[X1:$i]: ( in @ X1 @ nat ) ) @ 
% 24.11/4.42         ( ^[X1:$i]:
% 24.11/4.42           ( all_of @
% 24.11/4.42             ( ^[X2:$i]: ( in @ X2 @ nat ) ) @ 
% 24.11/4.42             ( ^[X2:$i]:
% 24.11/4.42               ( ( d_29_ii @ X0 @ X1 ) =>
% 24.11/4.42                 ( d_29_ii @ ( n_pl @ X2 @ X0 ) @ ( n_pl @ X2 @ X1 ) ) ) ) ) ) ) ))).
% 24.11/4.42  thf(zip_derived_cl102, plain,
% 24.11/4.42      ( (all_of @ (^[Y0 : $i]: (in @ Y0 @ nat)) @ 
% 24.11/4.42         (^[Y0 : $i]:
% 24.11/4.42            (all_of @ (^[Y1 : $i]: (in @ Y1 @ nat)) @ 
% 24.11/4.42             (^[Y1 : $i]:
% 24.11/4.42                (all_of @ (^[Y2 : $i]: (in @ Y2 @ nat)) @ 
% 24.11/4.42                 (^[Y2 : $i]:
% 24.11/4.42                    (((d_29_ii @ Y0 @ Y1) => (d_29_ii @ (n_pl @ Y2 @ Y0) @ 
% 24.11/4.42                      (n_pl @ Y2 @ Y1))))))))))),
% 24.11/4.42      inference('cnf', [status(esa)], [satz19d])).
% 24.11/4.42  thf(zip_derived_cl103, plain,
% 24.11/4.42      ( (all_of @ ((('#C') @ in @ nat)) @ 
% 24.11/4.42         ((('#B') @ (all_of @ ((('#C') @ in @ nat))) @ 
% 24.11/4.42           ((('#B') @ ((('#B') @ (all_of @ ((('#C') @ in @ nat))))) @ 
% 24.11/4.42             ((('#S') @ ((('#B') @ ('#S') @ 
% 24.11/4.42                          ((('#B') @ ((('#B') @ ('#B'))) @ 
% 24.11/4.42                            ((('#B') @ ((('#B') @ (=>))) @ d_29_ii)))))) @ 
% 24.11/4.42               ((('#C') @ ((('#B') @ ('#B') @ 
% 24.11/4.42                            ((('#B') @ ('#S') @ 
% 24.11/4.42                              ((('#B') @ ((('#B') @ d_29_ii)) @ 
% 24.11/4.42                                ((('#C') @ n_pl)))))))) @ 
% 24.11/4.42                 ((('#C') @ n_pl)))))))))))),
% 24.11/4.42      inference('lams2combs', [status(thm)], [zip_derived_cl102])).
% 24.11/4.42  thf(def_nat, axiom,(( nat  ) =
% 24.11/4.42    ((d_Sep @ omega @ (^[Y0 : $i]: (((Y0) != (emptyset)))))))).
% 24.11/4.42  thf('0', plain,
% 24.11/4.42      (( nat ) = ( d_Sep @ omega @ ( ^[V_1:$i]: ( ( V_1 ) != ( emptyset ) ) ) )),
% 24.11/4.42      define([status(thm)])).
% 24.11/4.42  thf(zip_derived_cl910, plain,
% 24.11/4.42      ( (all_of @ 
% 24.11/4.42         ((('#C') @ in @ (d_Sep @ omega @ ((('#C') @ (!=) @ emptyset))))) @ 
% 24.11/4.42         ((('#B') @ (all_of @ 
% 24.11/4.42                     ((('#C') @ in @ 
% 24.11/4.42                       (d_Sep @ omega @ ((('#C') @ (!=) @ emptyset)))))) @ 
% 24.11/4.42           ((('#B') @ ((('#B') @ (all_of @ 
% 24.11/4.42                                  ((('#C') @ in @ 
% 24.11/4.42                                    (d_Sep @ omega @ 
% 24.11/4.42                                     ((('#C') @ (!=) @ emptyset)))))))) @ 
% 24.11/4.42             ((('#S') @ ((('#B') @ ('#S') @ 
% 24.11/4.42                          ((('#B') @ ((('#B') @ ('#B'))) @ 
% 24.11/4.42                            ((('#B') @ ((('#B') @ (=>))) @ d_29_ii)))))) @ 
% 24.11/4.42               ((('#C') @ ((('#B') @ ('#B') @ 
% 24.11/4.42                            ((('#B') @ ('#S') @ 
% 24.11/4.42                              ((('#B') @ ((('#B') @ d_29_ii)) @ 
% 24.11/4.42                                ((('#C') @ n_pl)))))))) @ 
% 24.11/4.42                 ((('#C') @ n_pl)))))))))))),
% 24.11/4.42      inference('rw', [status(thm)], [zip_derived_cl103, '0'])).
% 24.11/4.42  thf(def_all_of, axiom, (all_of @ X0 @ X1) =>
% 24.11/4.42    ((((!!) @ (^[Y0 : $i]: (((is_of @ Y0 @ X0) => (X1 @ Y0)))))) = ($true))).
% 24.11/4.42  thf('1', plain,
% 24.11/4.42      (![X0:( $i > $o ),X1:( $i > $o )]:
% 24.11/4.42       ( ( all_of @ X0 @ X1 ) <=>
% 24.11/4.42         ( ![X6:$i]: ( ( is_of @ X6 @ X0 ) => ( X1 @ X6 ) ) ) )),
% 24.11/4.42      inference('rw.lit', [status(esa)], [def_all_of])).
% 24.11/4.42  thf(zip_derived_cl911, plain,
% 24.11/4.42      ( (((!!) @ (^[Y0 : $i]:
% 24.11/4.42                    (((is_of @ Y0 @ 
% 24.11/4.42                      ((('#C') @ in @ 
% 24.11/4.42                        (d_Sep @ omega @ ((('#C') @ (!=) @ emptyset)))))) =>
% 24.11/4.42                      ((('#B') @ (all_of @ 
% 24.11/4.42                                  ((('#C') @ in @ 
% 24.11/4.42                                    (d_Sep @ omega @ 
% 24.11/4.42                                     ((('#C') @ (!=) @ emptyset)))))) @ 
% 24.11/4.42                        ((('#B') @ ((('#B') @ (all_of @ 
% 24.11/4.42                                               ((('#C') @ in @ 
% 24.11/4.42                                                 (d_Sep @ omega @ 
% 24.11/4.42                                                  ((('#C') @ (!=) @ emptyset)))))))) @ 
% 24.11/4.42                          ((('#S') @ ((('#B') @ ('#S') @ 
% 24.11/4.42                                       ((('#B') @ ((('#B') @ ('#B'))) @ 
% 24.11/4.42                                         ((('#B') @ ((('#B') @ (=>))) @ d_29_ii)))))) @ 
% 24.11/4.42                            ((('#C') @ ((('#B') @ ('#B') @ 
% 24.11/4.42                                         ((('#B') @ ('#S') @ 
% 24.11/4.42                                           ((('#B') @ ((('#B') @ d_29_ii)) @ 
% 24.11/4.42                                             ((('#C') @ n_pl)))))))) @ 
% 24.11/4.42                              ((('#C') @ n_pl)))))))) @ 
% 24.11/4.42                        Y0)))))))),
% 24.11/4.42      inference('rw_clause', [status(thm)], [zip_derived_cl910, '1'])).
% 24.11/4.42  thf(zip_derived_cl912, plain,
% 24.11/4.42      ( (((!!) @ ((('#S') @ ((('#B') @ (=>) @ 
% 24.11/4.42                              ((('#C') @ is_of @ 
% 24.11/4.42                                ((('#C') @ in @ 
% 24.11/4.42                                  (d_Sep @ omega @ ((('#C') @ (!=) @ emptyset))))))))) @ 
% 24.11/4.42                   ((('#B') @ (all_of @ 
% 24.11/4.42                               ((('#C') @ in @ 
% 24.11/4.42                                 (d_Sep @ omega @ ((('#C') @ (!=) @ emptyset)))))) @ 
% 24.11/4.42                     ((('#B') @ ((('#B') @ (all_of @ 
% 24.11/4.42                                            ((('#C') @ in @ 
% 24.11/4.42                                              (d_Sep @ omega @ 
% 24.11/4.42                                               ((('#C') @ (!=) @ emptyset)))))))) @ 
% 24.11/4.42                       ((('#S') @ ((('#B') @ ('#S') @ 
% 24.11/4.42                                    ((('#B') @ ((('#B') @ ('#B'))) @ 
% 24.11/4.42                                      ((('#B') @ ((('#B') @ (=>))) @ d_29_ii)))))) @ 
% 24.11/4.42                         ((('#C') @ ((('#B') @ ('#B') @ 
% 24.11/4.42                                      ((('#B') @ ('#S') @ 
% 24.11/4.42                                        ((('#B') @ ((('#B') @ d_29_ii)) @ 
% 24.11/4.42                                          ((('#C') @ n_pl)))))))) @ 
% 24.11/4.42                           ((('#C') @ n_pl))))))))))))))),
% 24.11/4.42      inference('comb-normalize', [status(thm)], [zip_derived_cl911])).
% 24.11/4.42  thf(zip_derived_cl913, plain,
% 24.11/4.42      (![X2 : $i]:
% 24.11/4.42          (((is_of @ X2 @ 
% 24.11/4.42            ((('#C') @ in @ (d_Sep @ omega @ ((('#C') @ (!=) @ emptyset)))))) =>
% 24.11/4.42            (all_of @ 
% 24.11/4.42            ((('#C') @ in @ (d_Sep @ omega @ ((('#C') @ (!=) @ emptyset))))) @ 
% 24.11/4.42            ((('#B') @ (all_of @ 
% 24.11/4.42                        ((('#C') @ in @ 
% 24.11/4.42                          (d_Sep @ omega @ ((('#C') @ (!=) @ emptyset)))))) @ 
% 24.11/4.42              ((('#S') @ ((('#B') @ ('#B') @ ((('#B') @ (=>) @ (d_29_ii @ X2))))) @ 
% 24.11/4.42                ((('#B') @ ((('#S') @ ((('#B') @ d_29_ii @ 
% 24.11/4.42                                        ((('#C') @ n_pl @ X2)))))) @ 
% 24.11/4.42                  ((('#C') @ n_pl)))))))))))),
% 24.11/4.42      inference('lazy_cnf_forall', [status(thm)], [zip_derived_cl912])).
% 24.11/4.42  thf(zip_derived_cl914, plain,
% 24.11/4.42      (![X2 : $i]:
% 24.11/4.42         (~ (is_of @ X2 @ 
% 24.11/4.42             ((('#C') @ in @ (d_Sep @ omega @ ((('#C') @ (!=) @ emptyset))))))
% 24.11/4.42          |  (all_of @ 
% 24.11/4.42              ((('#C') @ in @ (d_Sep @ omega @ ((('#C') @ (!=) @ emptyset))))) @ 
% 24.11/4.42              ((('#B') @ (all_of @ 
% 24.11/4.42                          ((('#C') @ in @ 
% 24.11/4.42                            (d_Sep @ omega @ ((('#C') @ (!=) @ emptyset)))))) @ 
% 24.11/4.42                ((('#S') @ ((('#B') @ ('#B') @ 
% 24.11/4.42                             ((('#B') @ (=>) @ (d_29_ii @ X2))))) @ 
% 24.11/4.42                  ((('#B') @ ((('#S') @ ((('#B') @ d_29_ii @ 
% 24.11/4.42                                          ((('#C') @ n_pl @ X2)))))) @ 
% 24.11/4.42                    ((('#C') @ n_pl))))))))))),
% 24.11/4.42      inference('lazy_cnf_imply', [status(thm)], [zip_derived_cl913])).
% 24.11/4.42  thf(zip_derived_cl915, plain,
% 24.11/4.42      (![X0 : $i]:
% 24.11/4.42         ( (((!!) @ (^[Y0 : $i]:
% 24.11/4.42                       (((is_of @ Y0 @ 
% 24.11/4.42                         ((('#C') @ in @ 
% 24.11/4.42                           (d_Sep @ omega @ ((('#C') @ (!=) @ emptyset)))))) =>
% 24.11/4.42                         ((('#B') @ (all_of @ 
% 24.11/4.42                                     ((('#C') @ in @ 
% 24.11/4.42                                       (d_Sep @ omega @ 
% 24.11/4.42                                        ((('#C') @ (!=) @ emptyset)))))) @ 
% 24.11/4.42                           ((('#S') @ ((('#B') @ ('#B') @ 
% 24.11/4.42                                        ((('#B') @ (=>) @ (d_29_ii @ X0))))) @ 
% 24.11/4.42                             ((('#B') @ ((('#S') @ ((('#B') @ d_29_ii @ 
% 24.11/4.42                                                     ((('#C') @ n_pl @ X0)))))) @ 
% 24.11/4.42                               ((('#C') @ n_pl)))))) @ 
% 24.11/4.42                           Y0)))))))
% 24.11/4.42          | ~ (is_of @ X0 @ 
% 24.11/4.42               ((('#C') @ in @ (d_Sep @ omega @ ((('#C') @ (!=) @ emptyset)))))))),
% 24.11/4.42      inference('rw_clause', [status(thm)], [zip_derived_cl914, '1'])).
% 24.11/4.42  thf(zip_derived_cl916, plain,
% 24.11/4.42      (![X0 : $i]:
% 24.11/4.42         ( (((!!) @ ((('#S') @ ((('#B') @ (=>) @ 
% 24.11/4.42                                 ((('#C') @ is_of @ 
% 24.11/4.42                                   ((('#C') @ in @ 
% 24.11/4.42                                     (d_Sep @ omega @ 
% 24.11/4.42                                      ((('#C') @ (!=) @ emptyset))))))))) @ 
% 24.11/4.42                      ((('#B') @ (all_of @ 
% 24.11/4.42                                  ((('#C') @ in @ 
% 24.11/4.42                                    (d_Sep @ omega @ 
% 24.11/4.42                                     ((('#C') @ (!=) @ emptyset)))))) @ 
% 24.11/4.42                        ((('#S') @ ((('#B') @ ('#B') @ 
% 24.11/4.42                                     ((('#B') @ (=>) @ (d_29_ii @ X0))))) @ 
% 24.11/4.42                          ((('#B') @ ((('#S') @ ((('#B') @ d_29_ii @ 
% 24.11/4.42                                                  ((('#C') @ n_pl @ X0)))))) @ 
% 24.11/4.42                            ((('#C') @ n_pl))))))))))))
% 24.11/4.42          | ~ (is_of @ X0 @ 
% 24.11/4.42               ((('#C') @ in @ (d_Sep @ omega @ ((('#C') @ (!=) @ emptyset)))))))),
% 24.11/4.42      inference('comb-normalize', [status(thm)], [zip_derived_cl915])).
% 24.11/4.42  thf(zip_derived_cl917, plain,
% 24.11/4.42      (![X0 : $i, X2 : $i]:
% 24.11/4.42         ( (((is_of @ X2 @ 
% 24.11/4.42             ((('#C') @ in @ (d_Sep @ omega @ ((('#C') @ (!=) @ emptyset)))))) =>
% 24.11/4.42             (all_of @ 
% 24.11/4.42             ((('#C') @ in @ (d_Sep @ omega @ ((('#C') @ (!=) @ emptyset))))) @ 
% 24.11/4.42             ((('#B') @ (((=>) @ (d_29_ii @ X0 @ X2))) @ 
% 24.11/4.42               ((('#S') @ ((('#B') @ d_29_ii @ ((('#C') @ n_pl @ X0)))) @ 
% 24.11/4.42                 ((('#C') @ n_pl @ X2)))))))))
% 24.11/4.42          | ~ (is_of @ X0 @ 
% 24.11/4.42               ((('#C') @ in @ (d_Sep @ omega @ ((('#C') @ (!=) @ emptyset)))))))),
% 24.11/4.42      inference('lazy_cnf_forall', [status(thm)], [zip_derived_cl916])).
% 24.11/4.42  thf(def_n_some, axiom,(( n_some @ (X0)) = ((l_some @ nat @ X0)))).
% 24.11/4.42  thf('2', plain,
% 24.11/4.42      (![X0:( $i > $o )]: ( ( n_some @ X0 ) = ( l_some @ nat @ X0 ) )),
% 24.11/4.42      define([status(thm)])).
% 24.11/4.42  thf(def_d_29_ii, axiom,(( d_29_ii @ (X0)@ (X1)) =
% 24.11/4.42    ((n_some @ (diffprop @ X0 @ X1))))).
% 24.11/4.42  thf('3', plain,
% 24.11/4.42      (![X1:$i,X0:$i]:
% 24.11/4.42       ( ( d_29_ii @ X0 @ X1 ) = ( n_some @ ( diffprop @ X0 @ X1 ) ) )),
% 24.11/4.42      define([status(thm)])).
% 24.11/4.42  thf(zip_derived_cl918, plain,
% 24.11/4.42      (![X0 : $i, X2 : $i]:
% 24.11/4.42         ( (((is_of @ X2 @ 
% 24.11/4.42             ((('#C') @ in @ (d_Sep @ omega @ ((('#C') @ (!=) @ emptyset)))))) =>
% 24.11/4.42             (all_of @ 
% 24.11/4.42             ((('#C') @ in @ (d_Sep @ omega @ ((('#C') @ (!=) @ emptyset))))) @ 
% 24.11/4.42             ((('#B') @ (((=>) @ (l_some @ 
% 24.11/4.42                                  (d_Sep @ omega @ ((('#C') @ (!=) @ emptyset))) @ 
% 24.11/4.42                                  (diffprop @ X0 @ X2)))) @ 
% 24.11/4.42               ((('#S') @ ((('#B') @ d_29_ii @ ((('#C') @ n_pl @ X0)))) @ 
% 24.11/4.42                 ((('#C') @ n_pl @ X2)))))))))
% 24.11/4.42          | ~ (is_of @ X0 @ 
% 24.11/4.42               ((('#C') @ in @ (d_Sep @ omega @ ((('#C') @ (!=) @ emptyset)))))))),
% 24.11/4.42      inference('rw', [status(thm)], [zip_derived_cl917, '0', '2', '3'])).
% 24.11/4.42  thf(zip_derived_cl919, plain,
% 24.11/4.42      (![X0 : $i, X2 : $i]:
% 24.11/4.42         (~ (is_of @ X2 @ 
% 24.11/4.42             ((('#C') @ in @ (d_Sep @ omega @ ((('#C') @ (!=) @ emptyset))))))
% 24.11/4.42          |  (all_of @ 
% 24.11/4.42              ((('#C') @ in @ (d_Sep @ omega @ ((('#C') @ (!=) @ emptyset))))) @ 
% 24.11/4.42              ((('#B') @ (((=>) @ (l_some @ 
% 24.11/4.42                                   (d_Sep @ omega @ 
% 24.11/4.42                                    ((('#C') @ (!=) @ emptyset))) @ 
% 24.11/4.42                                   (diffprop @ X0 @ X2)))) @ 
% 24.11/4.42                ((('#S') @ ((('#B') @ d_29_ii @ ((('#C') @ n_pl @ X0)))) @ 
% 24.11/4.42                  ((('#C') @ n_pl @ X2)))))))
% 24.11/4.42          | ~ (is_of @ X0 @ 
% 24.11/4.42               ((('#C') @ in @ (d_Sep @ omega @ ((('#C') @ (!=) @ emptyset)))))))),
% 24.11/4.42      inference('lazy_cnf_imply', [status(thm)], [zip_derived_cl918])).
% 24.11/4.42  thf(zip_derived_cl920, plain,
% 24.11/4.42      (![X0 : $i, X1 : $i]:
% 24.11/4.42         ( (((!!) @ (^[Y0 : $i]:
% 24.11/4.42                       (((is_of @ Y0 @ 
% 24.11/4.42                         ((('#C') @ in @ 
% 24.11/4.42                           (d_Sep @ omega @ ((('#C') @ (!=) @ emptyset)))))) =>
% 24.11/4.42                         ((('#B') @ (((=>) @ (l_some @ 
% 24.11/4.42                                              (d_Sep @ omega @ 
% 24.11/4.42                                               ((('#C') @ (!=) @ emptyset))) @ 
% 24.11/4.42                                              (diffprop @ X0 @ X1)))) @ 
% 24.11/4.42                           ((('#S') @ ((('#B') @ d_29_ii @ 
% 24.11/4.42                                        ((('#C') @ n_pl @ X0)))) @ 
% 24.11/4.42                             ((('#C') @ n_pl @ X1)))) @ 
% 24.11/4.42                           Y0)))))))
% 24.11/4.42          | ~ (is_of @ X0 @ 
% 24.11/4.42               ((('#C') @ in @ (d_Sep @ omega @ ((('#C') @ (!=) @ emptyset))))))
% 24.11/4.42          | ~ (is_of @ X1 @ 
% 24.11/4.42               ((('#C') @ in @ (d_Sep @ omega @ ((('#C') @ (!=) @ emptyset)))))))),
% 24.11/4.42      inference('rw_clause', [status(thm)], [zip_derived_cl919, '1'])).
% 24.11/4.42  thf(zip_derived_cl921, plain,
% 24.11/4.42      (![X0 : $i, X1 : $i]:
% 24.11/4.42         ( (((!!) @ ((('#S') @ ((('#B') @ (=>) @ 
% 24.11/4.42                                 ((('#C') @ is_of @ 
% 24.11/4.42                                   ((('#C') @ in @ 
% 24.11/4.42                                     (d_Sep @ omega @ 
% 24.11/4.42                                      ((('#C') @ (!=) @ emptyset))))))))) @ 
% 24.11/4.42                      ((('#B') @ (((=>) @ (l_some @ 
% 24.11/4.42                                           (d_Sep @ omega @ 
% 24.11/4.42                                            ((('#C') @ (!=) @ emptyset))) @ 
% 24.11/4.42                                           (diffprop @ X0 @ X1)))) @ 
% 24.11/4.42                        ((('#S') @ ((('#B') @ d_29_ii @ ((('#C') @ n_pl @ X0)))) @ 
% 24.11/4.42                          ((('#C') @ n_pl @ X1))))))))))
% 24.11/4.42          | ~ (is_of @ X0 @ 
% 24.11/4.42               ((('#C') @ in @ (d_Sep @ omega @ ((('#C') @ (!=) @ emptyset))))))
% 24.11/4.42          | ~ (is_of @ X1 @ 
% 24.11/4.42               ((('#C') @ in @ (d_Sep @ omega @ ((('#C') @ (!=) @ emptyset)))))))),
% 24.11/4.42      inference('comb-normalize', [status(thm)], [zip_derived_cl920])).
% 24.11/4.42  thf(zip_derived_cl922, plain,
% 24.11/4.42      (![X0 : $i, X1 : $i, X3 : $i]:
% 24.11/4.42         ( (((is_of @ X3 @ 
% 24.11/4.42             ((('#C') @ in @ (d_Sep @ omega @ ((('#C') @ (!=) @ emptyset)))))) =>
% 24.11/4.42             (((l_some @ (d_Sep @ omega @ ((('#C') @ (!=) @ emptyset))) @ 
% 24.11/4.42               (diffprop @ X0 @ X1)) => (d_29_ii @ (n_pl @ X3 @ X0) @ 
% 24.11/4.42               (n_pl @ X3 @ X1))))))
% 24.11/4.42          | ~ (is_of @ X1 @ 
% 24.11/4.42               ((('#C') @ in @ (d_Sep @ omega @ ((('#C') @ (!=) @ emptyset))))))
% 24.11/4.42          | ~ (is_of @ X0 @ 
% 24.11/4.42               ((('#C') @ in @ (d_Sep @ omega @ ((('#C') @ (!=) @ emptyset)))))))),
% 24.11/4.42      inference('lazy_cnf_forall', [status(thm)], [zip_derived_cl921])).
% 24.11/4.42  thf(def_n_pl, axiom,(( n_pl @ (X0)@ (X1)) = ((ap @ (plus @ X0) @ X1)))).
% 24.11/4.42  thf('4', plain,
% 24.11/4.42      (![X1:$i,X0:$i]: ( ( n_pl @ X0 @ X1 ) = ( ap @ ( plus @ X0 ) @ X1 ) )),
% 24.11/4.42      define([status(thm)])).
% 24.11/4.42  thf(zip_derived_cl923, plain,
% 24.11/4.42      (![X0 : $i, X1 : $i, X3 : $i]:
% 24.11/4.42         ( (((is_of @ X3 @ 
% 24.11/4.42             ((('#C') @ in @ (d_Sep @ omega @ ((('#C') @ (!=) @ emptyset)))))) =>
% 24.11/4.42             (((l_some @ (d_Sep @ omega @ ((('#C') @ (!=) @ emptyset))) @ 
% 24.11/4.42               (diffprop @ X0 @ X1)) => (l_some @ 
% 24.11/4.42               (d_Sep @ omega @ ((('#C') @ (!=) @ emptyset))) @ 
% 24.11/4.42               (diffprop @ (ap @ (plus @ X3) @ X0) @ (ap @ (plus @ X3) @ X1)))))))
% 24.11/4.42          | ~ (is_of @ X1 @ 
% 24.11/4.42               ((('#C') @ in @ (d_Sep @ omega @ ((('#C') @ (!=) @ emptyset))))))
% 24.11/4.42          | ~ (is_of @ X0 @ 
% 24.11/4.42               ((('#C') @ in @ (d_Sep @ omega @ ((('#C') @ (!=) @ emptyset)))))))),
% 24.11/4.42      inference('rw', [status(thm)],
% 24.11/4.42                [zip_derived_cl922, '0', '2', '4', '4', '3'])).
% 24.11/4.42  thf(zip_derived_cl924, plain,
% 24.11/4.42      (![X0 : $i, X1 : $i, X3 : $i]:
% 24.11/4.42         (~ (is_of @ X3 @ 
% 24.11/4.42             ((('#C') @ in @ (d_Sep @ omega @ ((('#C') @ (!=) @ emptyset))))))
% 24.11/4.42          |  (((l_some @ (d_Sep @ omega @ ((('#C') @ (!=) @ emptyset))) @ 
% 24.11/4.42               (diffprop @ X0 @ X1)) => (l_some @ 
% 24.11/4.42               (d_Sep @ omega @ ((('#C') @ (!=) @ emptyset))) @ 
% 24.11/4.42               (diffprop @ (ap @ (plus @ X3) @ X0) @ (ap @ (plus @ X3) @ X1)))))
% 24.11/4.42          | ~ (is_of @ X0 @ 
% 24.11/4.42               ((('#C') @ in @ (d_Sep @ omega @ ((('#C') @ (!=) @ emptyset))))))
% 24.11/4.42          | ~ (is_of @ X1 @ 
% 24.11/4.42               ((('#C') @ in @ (d_Sep @ omega @ ((('#C') @ (!=) @ emptyset)))))))),
% 24.11/4.42      inference('lazy_cnf_imply', [status(thm)], [zip_derived_cl923])).
% 24.11/4.42  thf(zip_derived_cl925, plain,
% 24.11/4.42      (![X0 : $i, X1 : $i, X3 : $i]:
% 24.11/4.42         (~ (l_some @ (d_Sep @ omega @ ((('#C') @ (!=) @ emptyset))) @ 
% 24.11/4.42             (diffprop @ X0 @ X1))
% 24.11/4.42          |  (l_some @ (d_Sep @ omega @ ((('#C') @ (!=) @ emptyset))) @ 
% 24.11/4.42              (diffprop @ (ap @ (plus @ X3) @ X0) @ (ap @ (plus @ X3) @ X1)))
% 24.11/4.42          | ~ (is_of @ X1 @ 
% 24.11/4.42               ((('#C') @ in @ (d_Sep @ omega @ ((('#C') @ (!=) @ emptyset))))))
% 24.11/4.42          | ~ (is_of @ X0 @ 
% 24.11/4.42               ((('#C') @ in @ (d_Sep @ omega @ ((('#C') @ (!=) @ emptyset))))))
% 24.11/4.42          | ~ (is_of @ X3 @ 
% 24.11/4.42               ((('#C') @ in @ (d_Sep @ omega @ ((('#C') @ (!=) @ emptyset)))))))),
% 24.11/4.42      inference('lazy_cnf_imply', [status(thm)], [zip_derived_cl924])).
% 24.11/4.42  thf(satz19g, conjecture,
% 24.11/4.42    (all_of @
% 24.11/4.42     ( ^[X0:$i]: ( in @ X0 @ nat ) ) @ 
% 24.11/4.42     ( ^[X0:$i]:
% 24.11/4.42       ( all_of @
% 24.11/4.42         ( ^[X1:$i]: ( in @ X1 @ nat ) ) @ 
% 24.11/4.42         ( ^[X1:$i]:
% 24.11/4.42           ( all_of @
% 24.11/4.42             ( ^[X2:$i]: ( in @ X2 @ nat ) ) @ 
% 24.11/4.42             ( ^[X2:$i]:
% 24.11/4.42               ( all_of @
% 24.11/4.42                 ( ^[X3:$i]: ( in @ X3 @ nat ) ) @ 
% 24.11/4.42                 ( ^[X3:$i]:
% 24.11/4.42                   ( ( n_is @ X0 @ X1 ) =>
% 24.11/4.42                     ( ( d_29_ii @ X2 @ X3 ) =>
% 24.11/4.42                       ( d_29_ii @ ( n_pl @ X0 @ X2 ) @ ( n_pl @ X1 @ X3 ) ) ) ) ) ) ) ) ) ) ))).
% 24.11/4.42  thf(zf_stmt_0, negated_conjecture,
% 24.11/4.42    (~( all_of @
% 24.11/4.42        ( ^[X0:$i]: ( in @ X0 @ nat ) ) @ 
% 24.11/4.42        ( ^[X0:$i]:
% 24.11/4.42          ( all_of @
% 24.11/4.42            ( ^[X1:$i]: ( in @ X1 @ nat ) ) @ 
% 24.11/4.42            ( ^[X1:$i]:
% 24.11/4.42              ( all_of @
% 24.11/4.42                ( ^[X2:$i]: ( in @ X2 @ nat ) ) @ 
% 24.11/4.42                ( ^[X2:$i]:
% 24.11/4.42                  ( all_of @
% 24.11/4.42                    ( ^[X3:$i]: ( in @ X3 @ nat ) ) @ 
% 24.11/4.42                    ( ^[X3:$i]:
% 24.11/4.42                      ( ( n_is @ X0 @ X1 ) =>
% 24.11/4.42                        ( ( d_29_ii @ X2 @ X3 ) =>
% 24.11/4.42                          ( d_29_ii @ ( n_pl @ X0 @ X2 ) @ ( n_pl @ X1 @ X3 ) ) ) ) ) ) ) ) ) ) ) )),
% 24.11/4.42    inference('cnf.neg', [status(esa)], [satz19g])).
% 24.11/4.42  thf(zip_derived_cl108, plain,
% 24.11/4.42      (~ (all_of @ (^[Y0 : $i]: (in @ Y0 @ nat)) @ 
% 24.11/4.42          (^[Y0 : $i]:
% 24.11/4.42             (all_of @ (^[Y1 : $i]: (in @ Y1 @ nat)) @ 
% 24.11/4.42              (^[Y1 : $i]:
% 24.11/4.42                 (all_of @ (^[Y2 : $i]: (in @ Y2 @ nat)) @ 
% 24.11/4.42                  (^[Y2 : $i]:
% 24.11/4.42                     (all_of @ (^[Y3 : $i]: (in @ Y3 @ nat)) @ 
% 24.11/4.42                      (^[Y3 : $i]:
% 24.11/4.42                         (((n_is @ Y0 @ Y1) =>
% 24.11/4.42                           (((d_29_ii @ Y2 @ Y3) => (d_29_ii @ 
% 24.11/4.42                             (n_pl @ Y0 @ Y2) @ (n_pl @ Y1 @ Y3))))))))))))))),
% 24.11/4.42      inference('cnf', [status(esa)], [zf_stmt_0])).
% 24.11/4.42  thf(zip_derived_cl109, plain,
% 24.11/4.42      (~ (all_of @ ((('#C') @ in @ nat)) @ 
% 24.11/4.42          ((('#B') @ (all_of @ ((('#C') @ in @ nat))) @ 
% 24.11/4.42            ((('#B') @ ((('#B') @ (all_of @ ((('#C') @ in @ nat))))) @ 
% 24.11/4.42              ((('#B') @ ((('#B') @ ((('#B') @ (all_of @ ((('#C') @ in @ nat))))))) @ 
% 24.11/4.42                ((('#S') @ ((('#B') @ ('#S') @ 
% 24.11/4.42                             ((('#B') @ ((('#B') @ ('#B'))) @ 
% 24.11/4.42                               ((('#B') @ ((('#B') @ ('#B'))) @ 
% 24.11/4.42                                 ((('#B') @ ((('#B') @ (=>))) @ n_is)))))))) @ 
% 24.11/4.42                  ((('#B') @ ((('#B') @ ((('#S') @ ((('#B') @ ('#S') @ 
% 24.11/4.42                                                     ((('#B') @ ((('#B') @ (=>))) @ 
% 24.11/4.42                                                       d_29_ii)))))))) @ 
% 24.11/4.42                    ((('#C') @ ((('#B') @ ('#B') @ 
% 24.11/4.42                                 ((('#B') @ ('#C') @ 
% 24.11/4.42                                   ((('#B') @ ((('#B') @ ('#B'))) @ 
% 24.11/4.42                                     ((('#B') @ ((('#B') @ d_29_ii)) @ n_pl)))))))) @ 
% 24.11/4.42                      n_pl)))))))))))))),
% 24.11/4.42      inference('lams2combs', [status(thm)], [zip_derived_cl108])).
% 24.11/4.42  thf(zip_derived_cl763, plain,
% 24.11/4.42      (~ (all_of @ 
% 24.11/4.42          ((('#C') @ in @ (d_Sep @ omega @ ((('#C') @ (!=) @ emptyset))))) @ 
% 24.11/4.42          ((('#B') @ (all_of @ 
% 24.11/4.42                      ((('#C') @ in @ 
% 24.11/4.42                        (d_Sep @ omega @ ((('#C') @ (!=) @ emptyset)))))) @ 
% 24.11/4.42            ((('#B') @ ((('#B') @ (all_of @ 
% 24.11/4.42                                   ((('#C') @ in @ 
% 24.11/4.42                                     (d_Sep @ omega @ 
% 24.11/4.42                                      ((('#C') @ (!=) @ emptyset)))))))) @ 
% 24.11/4.42              ((('#B') @ ((('#B') @ ((('#B') @ (all_of @ 
% 24.11/4.42                                                ((('#C') @ in @ 
% 24.11/4.42                                                  (d_Sep @ omega @ 
% 24.11/4.42                                                   ((('#C') @ (!=) @ emptyset)))))))))) @ 
% 24.11/4.42                ((('#S') @ ((('#B') @ ('#S') @ 
% 24.11/4.42                             ((('#B') @ ((('#B') @ ('#B'))) @ 
% 24.11/4.42                               ((('#B') @ ((('#B') @ ('#B'))) @ 
% 24.11/4.42                                 ((('#B') @ ((('#B') @ (=>))) @ n_is)))))))) @ 
% 24.11/4.42                  ((('#B') @ ((('#B') @ ((('#S') @ ((('#B') @ ('#S') @ 
% 24.11/4.42                                                     ((('#B') @ ((('#B') @ (=>))) @ 
% 24.11/4.42                                                       d_29_ii)))))))) @ 
% 24.11/4.42                    ((('#C') @ ((('#B') @ ('#B') @ 
% 24.11/4.42                                 ((('#B') @ ('#C') @ 
% 24.11/4.42                                   ((('#B') @ ((('#B') @ ('#B'))) @ 
% 24.11/4.42                                     ((('#B') @ ((('#B') @ d_29_ii)) @ n_pl)))))))) @ 
% 24.11/4.42                      n_pl)))))))))))))),
% 24.11/4.42      inference('rw', [status(thm)], [zip_derived_cl109, '0'])).
% 24.11/4.42  thf(def_all_of, axiom, ~ (all_of @ X0 @ X1) =>
% 24.11/4.42    ((((!!) @ (^[Y0 : $i]: (((is_of @ Y0 @ X0) => (X1 @ Y0)))))) != ($true))).
% 24.11/4.42  thf('5', plain,
% 24.11/4.42      (![X0:( $i > $o ),X1:( $i > $o )]:
% 24.11/4.42       ( ( ~( all_of @ X0 @ X1 ) ) <=>
% 24.11/4.42         ( ~( ![X6:$i]: ( ( is_of @ X6 @ X0 ) => ( X1 @ X6 ) ) ) ) )),
% 24.11/4.42      inference('rw.lit', [status(esa)], [def_all_of])).
% 24.11/4.42  thf(zip_derived_cl764, plain,
% 24.11/4.42      (~ (((!!) @ (^[Y0 : $i]:
% 24.11/4.42                     (((is_of @ Y0 @ 
% 24.11/4.42                       ((('#C') @ in @ 
% 24.11/4.42                         (d_Sep @ omega @ ((('#C') @ (!=) @ emptyset)))))) =>
% 24.11/4.42                       ((('#B') @ (all_of @ 
% 24.11/4.42                                   ((('#C') @ in @ 
% 24.11/4.42                                     (d_Sep @ omega @ 
% 24.11/4.42                                      ((('#C') @ (!=) @ emptyset)))))) @ 
% 24.11/4.42                         ((('#B') @ ((('#B') @ (all_of @ 
% 24.11/4.42                                                ((('#C') @ in @ 
% 24.11/4.42                                                  (d_Sep @ omega @ 
% 24.11/4.42                                                   ((('#C') @ (!=) @ emptyset)))))))) @ 
% 24.11/4.42                           ((('#B') @ ((('#B') @ ((('#B') @ (all_of @ 
% 24.11/4.42                                                             ((('#C') @ in @ 
% 24.11/4.42                                                               (d_Sep @ 
% 24.11/4.42                                                                omega @ 
% 24.11/4.42                                                                ((('#C') @ (
% 24.11/4.42                                                                  !=) @ 
% 24.11/4.42                                                                  emptyset)))))))))) @ 
% 24.11/4.42                             ((('#S') @ ((('#B') @ ('#S') @ 
% 24.11/4.42                                          ((('#B') @ ((('#B') @ ('#B'))) @ 
% 24.11/4.42                                            ((('#B') @ ((('#B') @ ('#B'))) @ 
% 24.11/4.42                                              ((('#B') @ ((('#B') @ (=>))) @ 
% 24.11/4.42                                                n_is)))))))) @ 
% 24.11/4.42                               ((('#B') @ ((('#B') @ ((('#S') @ ((('#B') @ (
% 24.11/4.42                                                                  '#S') @ 
% 24.11/4.42                                                                  ((('#B') @ (
% 24.11/4.42                                                                    (('#B') @ (
% 24.11/4.42                                                                     =>))) @ 
% 24.11/4.42                                                                    d_29_ii)))))))) @ 
% 24.11/4.42                                 ((('#C') @ ((('#B') @ ('#B') @ 
% 24.11/4.42                                              ((('#B') @ ('#C') @ 
% 24.11/4.42                                                ((('#B') @ ((('#B') @ ('#B'))) @ 
% 24.11/4.42                                                  ((('#B') @ ((('#B') @ d_29_ii)) @ 
% 24.11/4.42                                                    n_pl)))))))) @ 
% 24.11/4.42                                   n_pl)))))))))) @ 
% 24.11/4.42                         Y0)))))))),
% 24.11/4.42      inference('rw_clause', [status(thm)], [zip_derived_cl763, '5'])).
% 24.11/4.42  thf(zip_derived_cl765, plain,
% 24.11/4.42      (~ (((!!) @ ((('#S') @ ((('#B') @ (=>) @ 
% 24.11/4.42                               ((('#C') @ is_of @ 
% 24.11/4.42                                 ((('#C') @ in @ 
% 24.11/4.42                                   (d_Sep @ omega @ 
% 24.11/4.42                                    ((('#C') @ (!=) @ emptyset))))))))) @ 
% 24.11/4.42                    ((('#B') @ (all_of @ 
% 24.11/4.42                                ((('#C') @ in @ 
% 24.11/4.42                                  (d_Sep @ omega @ ((('#C') @ (!=) @ emptyset)))))) @ 
% 24.11/4.42                      ((('#B') @ ((('#B') @ (all_of @ 
% 24.11/4.42                                             ((('#C') @ in @ 
% 24.11/4.42                                               (d_Sep @ omega @ 
% 24.11/4.42                                                ((('#C') @ (!=) @ emptyset)))))))) @ 
% 24.11/4.42                        ((('#B') @ ((('#B') @ ((('#B') @ (all_of @ 
% 24.11/4.42                                                          ((('#C') @ in @ 
% 24.11/4.42                                                            (d_Sep @ omega @ 
% 24.11/4.42                                                             ((('#C') @ (
% 24.11/4.42                                                               !=) @ emptyset)))))))))) @ 
% 24.11/4.42                          ((('#S') @ ((('#B') @ ('#S') @ 
% 24.11/4.42                                       ((('#B') @ ((('#B') @ ('#B'))) @ 
% 24.11/4.42                                         ((('#B') @ ((('#B') @ ('#B'))) @ 
% 24.11/4.42                                           ((('#B') @ ((('#B') @ (=>))) @ n_is)))))))) @ 
% 24.11/4.42                            ((('#B') @ ((('#B') @ ((('#S') @ ((('#B') @ (
% 24.11/4.42                                                               '#S') @ 
% 24.11/4.42                                                               ((('#B') @ (
% 24.11/4.42                                                                 (('#B') @ (=>))) @ 
% 24.11/4.42                                                                 d_29_ii)))))))) @ 
% 24.11/4.42                              ((('#C') @ ((('#B') @ ('#B') @ 
% 24.11/4.42                                           ((('#B') @ ('#C') @ 
% 24.11/4.42                                             ((('#B') @ ((('#B') @ ('#B'))) @ 
% 24.11/4.42                                               ((('#B') @ ((('#B') @ d_29_ii)) @ 
% 24.11/4.42                                                 n_pl)))))))) @ 
% 24.11/4.42                                n_pl))))))))))))))))),
% 24.11/4.42      inference('comb-normalize', [status(thm)], [zip_derived_cl764])).
% 24.11/4.42  thf(zip_derived_cl766, plain,
% 24.11/4.42      (~ (((is_of @ '#sk2' @ 
% 24.11/4.42           ((('#C') @ in @ (d_Sep @ omega @ ((('#C') @ (!=) @ emptyset)))))) =>
% 24.11/4.42           (all_of @ 
% 24.11/4.42           ((('#C') @ in @ (d_Sep @ omega @ ((('#C') @ (!=) @ emptyset))))) @ 
% 24.11/4.42           ((('#B') @ (all_of @ 
% 24.11/4.42                       ((('#C') @ in @ 
% 24.11/4.42                         (d_Sep @ omega @ ((('#C') @ (!=) @ emptyset)))))) @ 
% 24.11/4.42             ((('#B') @ ((('#B') @ (all_of @ 
% 24.11/4.42                                    ((('#C') @ in @ 
% 24.11/4.42                                      (d_Sep @ omega @ 
% 24.11/4.42                                       ((('#C') @ (!=) @ emptyset)))))))) @ 
% 24.11/4.42               ((('#S') @ ((('#B') @ ('#B') @ 
% 24.11/4.42                            ((('#B') @ ('#B') @ 
% 24.11/4.42                              ((('#B') @ (=>) @ (n_is @ '#sk2'))))))) @ 
% 24.11/4.42                 ((('#B') @ ((('#S') @ ((('#B') @ ('#S') @ 
% 24.11/4.42                                         ((('#B') @ ((('#B') @ (=>))) @ d_29_ii)))))) @ 
% 24.11/4.42                   ((('#B') @ ((('#C') @ ((('#B') @ ('#B') @ 
% 24.11/4.42                                           ((('#B') @ d_29_ii @ (n_pl @ '#sk2'))))))) @ 
% 24.11/4.42                     n_pl)))))))))))))),
% 24.11/4.42      inference('lazy_cnf_exists', [status(thm)], [zip_derived_cl765])).
% 24.11/4.42  thf(zip_derived_cl768, plain,
% 24.11/4.42      (~ (all_of @ 
% 24.11/4.42          ((('#C') @ in @ (d_Sep @ omega @ ((('#C') @ (!=) @ emptyset))))) @ 
% 24.11/4.42          ((('#B') @ (all_of @ 
% 24.11/4.42                      ((('#C') @ in @ 
% 24.11/4.42                        (d_Sep @ omega @ ((('#C') @ (!=) @ emptyset)))))) @ 
% 24.11/4.42            ((('#B') @ ((('#B') @ (all_of @ 
% 24.11/4.42                                   ((('#C') @ in @ 
% 24.11/4.42                                     (d_Sep @ omega @ 
% 24.11/4.42                                      ((('#C') @ (!=) @ emptyset)))))))) @ 
% 24.11/4.42              ((('#S') @ ((('#B') @ ('#B') @ 
% 24.11/4.42                           ((('#B') @ ('#B') @ 
% 24.11/4.42                             ((('#B') @ (=>) @ (n_is @ '#sk2'))))))) @ 
% 24.11/4.42                ((('#B') @ ((('#S') @ ((('#B') @ ('#S') @ 
% 24.11/4.42                                        ((('#B') @ ((('#B') @ (=>))) @ d_29_ii)))))) @ 
% 24.11/4.42                  ((('#B') @ ((('#C') @ ((('#B') @ ('#B') @ 
% 24.11/4.42                                          ((('#B') @ d_29_ii @ (n_pl @ '#sk2'))))))) @ 
% 24.11/4.42                    n_pl)))))))))))),
% 24.11/4.42      inference('lazy_cnf_imply', [status(thm)], [zip_derived_cl766])).
% 24.11/4.42  thf(zip_derived_cl769, plain,
% 24.11/4.42      (~ (((!!) @ (^[Y0 : $i]:
% 24.11/4.42                     (((is_of @ Y0 @ 
% 24.11/4.42                       ((('#C') @ in @ 
% 24.11/4.42                         (d_Sep @ omega @ ((('#C') @ (!=) @ emptyset)))))) =>
% 24.11/4.42                       ((('#B') @ (all_of @ 
% 24.11/4.42                                   ((('#C') @ in @ 
% 24.11/4.42                                     (d_Sep @ omega @ 
% 24.11/4.42                                      ((('#C') @ (!=) @ emptyset)))))) @ 
% 24.11/4.42                         ((('#B') @ ((('#B') @ (all_of @ 
% 24.11/4.42                                                ((('#C') @ in @ 
% 24.11/4.42                                                  (d_Sep @ omega @ 
% 24.11/4.42                                                   ((('#C') @ (!=) @ emptyset)))))))) @ 
% 24.11/4.42                           ((('#S') @ ((('#B') @ ('#B') @ 
% 24.11/4.42                                        ((('#B') @ ('#B') @ 
% 24.11/4.42                                          ((('#B') @ (=>) @ (n_is @ '#sk2'))))))) @ 
% 24.11/4.42                             ((('#B') @ ((('#S') @ ((('#B') @ ('#S') @ 
% 24.11/4.42                                                     ((('#B') @ ((('#B') @ (=>))) @ 
% 24.11/4.42                                                       d_29_ii)))))) @ 
% 24.11/4.42                               ((('#B') @ ((('#C') @ ((('#B') @ ('#B') @ 
% 24.11/4.42                                                       ((('#B') @ d_29_ii @ 
% 24.11/4.42                                                         (n_pl @ '#sk2'))))))) @ 
% 24.11/4.42                                 n_pl)))))))) @ 
% 24.11/4.42                         Y0)))))))),
% 24.11/4.42      inference('rw_clause', [status(thm)], [zip_derived_cl768, '5'])).
% 24.11/4.42  thf(zip_derived_cl770, plain,
% 24.11/4.42      (~ (((!!) @ ((('#S') @ ((('#B') @ (=>) @ 
% 24.11/4.42                               ((('#C') @ is_of @ 
% 24.11/4.42                                 ((('#C') @ in @ 
% 24.11/4.42                                   (d_Sep @ omega @ 
% 24.11/4.42                                    ((('#C') @ (!=) @ emptyset))))))))) @ 
% 24.11/4.42                    ((('#B') @ (all_of @ 
% 24.11/4.42                                ((('#C') @ in @ 
% 24.11/4.42                                  (d_Sep @ omega @ ((('#C') @ (!=) @ emptyset)))))) @ 
% 24.11/4.42                      ((('#B') @ ((('#B') @ (all_of @ 
% 24.11/4.42                                             ((('#C') @ in @ 
% 24.11/4.42                                               (d_Sep @ omega @ 
% 24.11/4.42                                                ((('#C') @ (!=) @ emptyset)))))))) @ 
% 24.11/4.42                        ((('#S') @ ((('#B') @ ('#B') @ 
% 24.11/4.42                                     ((('#B') @ ('#B') @ 
% 24.11/4.42                                       ((('#B') @ (=>) @ (n_is @ '#sk2'))))))) @ 
% 24.11/4.42                          ((('#B') @ ((('#S') @ ((('#B') @ ('#S') @ 
% 24.11/4.42                                                  ((('#B') @ ((('#B') @ (=>))) @ 
% 24.11/4.42                                                    d_29_ii)))))) @ 
% 24.11/4.42                            ((('#B') @ ((('#C') @ ((('#B') @ ('#B') @ 
% 24.11/4.42                                                    ((('#B') @ d_29_ii @ 
% 24.11/4.42                                                      (n_pl @ '#sk2'))))))) @ 
% 24.11/4.42                              n_pl))))))))))))))),
% 24.11/4.42      inference('comb-normalize', [status(thm)], [zip_derived_cl769])).
% 24.11/4.42  thf(zip_derived_cl771, plain,
% 24.11/4.42      (~ (((is_of @ '#sk3' @ 
% 24.11/4.42           ((('#C') @ in @ (d_Sep @ omega @ ((('#C') @ (!=) @ emptyset)))))) =>
% 24.11/4.42           (all_of @ 
% 24.11/4.42           ((('#C') @ in @ (d_Sep @ omega @ ((('#C') @ (!=) @ emptyset))))) @ 
% 24.11/4.42           ((('#B') @ (all_of @ 
% 24.11/4.42                       ((('#C') @ in @ 
% 24.11/4.42                         (d_Sep @ omega @ ((('#C') @ (!=) @ emptyset)))))) @ 
% 24.11/4.42             ((('#B') @ ((('#B') @ (((=>) @ (n_is @ '#sk2' @ '#sk3'))))) @ 
% 24.11/4.42               ((('#S') @ ((('#B') @ ('#S') @ 
% 24.11/4.42                            ((('#B') @ ((('#B') @ (=>))) @ d_29_ii)))) @ 
% 24.11/4.42                 ((('#C') @ ((('#B') @ ('#B') @ 
% 24.11/4.42                              ((('#B') @ d_29_ii @ (n_pl @ '#sk2'))))) @ 
% 24.11/4.42                   (n_pl @ '#sk3'))))))))))))),
% 24.11/4.42      inference('lazy_cnf_exists', [status(thm)], [zip_derived_cl770])).
% 24.11/4.42  thf(def_e_is, axiom,(( e_is @ (X2)@ (X0)@ (X1)) = ((((X0) = (X1)))))).
% 24.11/4.42  thf('6', plain,
% 24.11/4.42      (![X2:$i,X1:$i,X0:$i]: ( ( e_is @ X2 @ X0 @ X1 ) = ( ( X0 ) = ( X1 ) ) )),
% 24.11/4.42      define([status(thm)])).
% 24.11/4.42  thf(def_n_is, axiom,(( n_is @ (X0)@ (X1)) = ((e_is @ nat @ X0 @ X1)))).
% 24.11/4.42  thf('7', plain,
% 24.11/4.42      (![X1:$i,X0:$i]: ( ( n_is @ X0 @ X1 ) = ( e_is @ nat @ X0 @ X1 ) )),
% 24.11/4.42      define([status(thm)])).
% 24.11/4.42  thf(zip_derived_cl772, plain,
% 24.11/4.42      (~ (((is_of @ '#sk3' @ 
% 24.11/4.42           ((('#C') @ in @ (d_Sep @ omega @ ((('#C') @ (!=) @ emptyset)))))) =>
% 24.11/4.42           (all_of @ 
% 24.11/4.42           ((('#C') @ in @ (d_Sep @ omega @ ((('#C') @ (!=) @ emptyset))))) @ 
% 24.11/4.42           ((('#B') @ (all_of @ 
% 24.11/4.42                       ((('#C') @ in @ 
% 24.11/4.42                         (d_Sep @ omega @ ((('#C') @ (!=) @ emptyset)))))) @ 
% 24.11/4.42             ((('#B') @ ((('#B') @ (((=>) @ ((('#sk2') = ('#sk3'))))))) @ 
% 24.11/4.42               ((('#S') @ ((('#B') @ ('#S') @ 
% 24.11/4.42                            ((('#B') @ ((('#B') @ (=>))) @ d_29_ii)))) @ 
% 24.11/4.42                 ((('#C') @ ((('#B') @ ('#B') @ 
% 24.11/4.42                              ((('#B') @ d_29_ii @ (n_pl @ '#sk2'))))) @ 
% 24.11/4.42                   (n_pl @ '#sk3'))))))))))))),
% 24.11/4.42      inference('rw', [status(thm)], [zip_derived_cl771, '6', '0', '7'])).
% 24.11/4.42  thf(zip_derived_cl774, plain,
% 24.11/4.42      (~ (all_of @ 
% 24.11/4.42          ((('#C') @ in @ (d_Sep @ omega @ ((('#C') @ (!=) @ emptyset))))) @ 
% 24.11/4.42          ((('#B') @ (all_of @ 
% 24.11/4.42                      ((('#C') @ in @ 
% 24.11/4.42                        (d_Sep @ omega @ ((('#C') @ (!=) @ emptyset)))))) @ 
% 24.11/4.42            ((('#B') @ ((('#B') @ (((=>) @ ((('#sk2') = ('#sk3'))))))) @ 
% 24.11/4.42              ((('#S') @ ((('#B') @ ('#S') @ 
% 24.11/4.42                           ((('#B') @ ((('#B') @ (=>))) @ d_29_ii)))) @ 
% 24.11/4.42                ((('#C') @ ((('#B') @ ('#B') @ 
% 24.11/4.42                             ((('#B') @ d_29_ii @ (n_pl @ '#sk2'))))) @ 
% 24.11/4.42                  (n_pl @ '#sk3'))))))))))),
% 24.11/4.42      inference('lazy_cnf_imply', [status(thm)], [zip_derived_cl772])).
% 24.11/4.42  thf(zip_derived_cl775, plain,
% 24.11/4.42      (~ (((!!) @ (^[Y0 : $i]:
% 24.11/4.42                     (((is_of @ Y0 @ 
% 24.11/4.42                       ((('#C') @ in @ 
% 24.11/4.42                         (d_Sep @ omega @ ((('#C') @ (!=) @ emptyset)))))) =>
% 24.11/4.42                       ((('#B') @ (all_of @ 
% 24.11/4.42                                   ((('#C') @ in @ 
% 24.11/4.42                                     (d_Sep @ omega @ 
% 24.11/4.42                                      ((('#C') @ (!=) @ emptyset)))))) @ 
% 24.11/4.42                         ((('#B') @ ((('#B') @ (((=>) @ ((('#sk2') = ('#sk3'))))))) @ 
% 24.11/4.42                           ((('#S') @ ((('#B') @ ('#S') @ 
% 24.11/4.42                                        ((('#B') @ ((('#B') @ (=>))) @ d_29_ii)))) @ 
% 24.11/4.42                             ((('#C') @ ((('#B') @ ('#B') @ 
% 24.11/4.42                                          ((('#B') @ d_29_ii @ (n_pl @ '#sk2'))))) @ 
% 24.11/4.42                               (n_pl @ '#sk3'))))))) @ 
% 24.11/4.42                         Y0)))))))),
% 24.11/4.42      inference('rw_clause', [status(thm)], [zip_derived_cl774, '5'])).
% 24.11/4.42  thf(zip_derived_cl776, plain,
% 24.11/4.42      (~ (((!!) @ ((('#S') @ ((('#B') @ (=>) @ 
% 24.11/4.42                               ((('#C') @ is_of @ 
% 24.11/4.42                                 ((('#C') @ in @ 
% 24.11/4.42                                   (d_Sep @ omega @ 
% 24.11/4.42                                    ((('#C') @ (!=) @ emptyset))))))))) @ 
% 24.11/4.42                    ((('#B') @ (all_of @ 
% 24.11/4.42                                ((('#C') @ in @ 
% 24.11/4.42                                  (d_Sep @ omega @ ((('#C') @ (!=) @ emptyset)))))) @ 
% 24.11/4.42                      ((('#B') @ ((('#B') @ (((=>) @ ((('#sk2') = ('#sk3'))))))) @ 
% 24.11/4.42                        ((('#S') @ ((('#B') @ ('#S') @ 
% 24.11/4.42                                     ((('#B') @ ((('#B') @ (=>))) @ d_29_ii)))) @ 
% 24.11/4.42                          ((('#C') @ ((('#B') @ ('#B') @ 
% 24.11/4.42                                       ((('#B') @ d_29_ii @ (n_pl @ '#sk2'))))) @ 
% 24.11/4.42                            (n_pl @ '#sk3')))))))))))))),
% 24.11/4.42      inference('comb-normalize', [status(thm)], [zip_derived_cl775])).
% 24.11/4.42  thf(zip_derived_cl777, plain,
% 24.11/4.42      (~ (((is_of @ '#sk4' @ 
% 24.11/4.42           ((('#C') @ in @ (d_Sep @ omega @ ((('#C') @ (!=) @ emptyset)))))) =>
% 24.11/4.42           (all_of @ 
% 24.11/4.42           ((('#C') @ in @ (d_Sep @ omega @ ((('#C') @ (!=) @ emptyset))))) @ 
% 24.11/4.42           ((('#B') @ (((=>) @ ((('#sk2') = ('#sk3'))))) @ 
% 24.11/4.42             ((('#S') @ ((('#B') @ (=>) @ (d_29_ii @ '#sk4'))) @ 
% 24.11/4.42               ((('#B') @ (d_29_ii @ (n_pl @ '#sk2' @ '#sk4')) @ 
% 24.11/4.42                 (n_pl @ '#sk3'))))))))))),
% 24.11/4.42      inference('lazy_cnf_exists', [status(thm)], [zip_derived_cl776])).
% 24.11/4.42  thf(zip_derived_cl778, plain,
% 24.11/4.42      (~ (((is_of @ '#sk4' @ 
% 24.11/4.42           ((('#C') @ in @ (d_Sep @ omega @ ((('#C') @ (!=) @ emptyset)))))) =>
% 24.11/4.42           (all_of @ 
% 24.11/4.42           ((('#C') @ in @ (d_Sep @ omega @ ((('#C') @ (!=) @ emptyset))))) @ 
% 24.11/4.42           ((('#B') @ (((=>) @ ((('#sk2') = ('#sk3'))))) @ 
% 24.11/4.42             ((('#S') @ ((('#B') @ (=>) @ (d_29_ii @ '#sk4'))) @ 
% 24.11/4.42               ((('#B') @ (d_29_ii @ (ap @ (plus @ '#sk2') @ '#sk4')) @ 
% 24.11/4.42                 (n_pl @ '#sk3'))))))))))),
% 24.11/4.42      inference('rw', [status(thm)], [zip_derived_cl777, '4'])).
% 24.11/4.42  thf(zip_derived_cl780, plain,
% 24.11/4.42      (~ (all_of @ 
% 24.11/4.42          ((('#C') @ in @ (d_Sep @ omega @ ((('#C') @ (!=) @ emptyset))))) @ 
% 24.11/4.42          ((('#B') @ (((=>) @ ((('#sk2') = ('#sk3'))))) @ 
% 24.11/4.42            ((('#S') @ ((('#B') @ (=>) @ (d_29_ii @ '#sk4'))) @ 
% 24.11/4.42              ((('#B') @ (d_29_ii @ (ap @ (plus @ '#sk2') @ '#sk4')) @ 
% 24.11/4.42                (n_pl @ '#sk3'))))))))),
% 24.11/4.42      inference('lazy_cnf_imply', [status(thm)], [zip_derived_cl778])).
% 24.11/4.42  thf(zip_derived_cl781, plain,
% 24.11/4.42      (~ (((!!) @ (^[Y0 : $i]:
% 24.11/4.42                     (((is_of @ Y0 @ 
% 24.11/4.42                       ((('#C') @ in @ 
% 24.11/4.42                         (d_Sep @ omega @ ((('#C') @ (!=) @ emptyset)))))) =>
% 24.11/4.42                       ((('#B') @ (((=>) @ ((('#sk2') = ('#sk3'))))) @ 
% 24.11/4.42                         ((('#S') @ ((('#B') @ (=>) @ (d_29_ii @ '#sk4'))) @ 
% 24.11/4.42                           ((('#B') @ (d_29_ii @ 
% 24.11/4.42                                       (ap @ (plus @ '#sk2') @ '#sk4')) @ 
% 24.11/4.42                             (n_pl @ '#sk3'))))) @ 
% 24.11/4.42                         Y0)))))))),
% 24.11/4.42      inference('rw_clause', [status(thm)], [zip_derived_cl780, '5'])).
% 24.11/4.42  thf(zip_derived_cl782, plain,
% 24.11/4.42      (~ (((!!) @ ((('#S') @ ((('#B') @ (=>) @ 
% 24.11/4.42                               ((('#C') @ is_of @ 
% 24.11/4.42                                 ((('#C') @ in @ 
% 24.11/4.42                                   (d_Sep @ omega @ 
% 24.11/4.42                                    ((('#C') @ (!=) @ emptyset))))))))) @ 
% 24.11/4.42                    ((('#B') @ (((=>) @ ((('#sk2') = ('#sk3'))))) @ 
% 24.11/4.42                      ((('#S') @ ((('#B') @ (=>) @ (d_29_ii @ '#sk4'))) @ 
% 24.11/4.42                        ((('#B') @ (d_29_ii @ (ap @ (plus @ '#sk2') @ '#sk4')) @ 
% 24.11/4.42                          (n_pl @ '#sk3')))))))))))),
% 24.11/4.42      inference('comb-normalize', [status(thm)], [zip_derived_cl781])).
% 24.11/4.42  thf(zip_derived_cl783, plain,
% 24.11/4.42      (~ (((is_of @ '#sk5' @ 
% 24.11/4.42           ((('#C') @ in @ (d_Sep @ omega @ ((('#C') @ (!=) @ emptyset)))))) =>
% 24.11/4.42           ((((('#sk2') = ('#sk3'))) =>
% 24.11/4.42             (((d_29_ii @ '#sk4' @ '#sk5') => (d_29_ii @ 
% 24.11/4.42               (ap @ (plus @ '#sk2') @ '#sk4') @ (n_pl @ '#sk3' @ '#sk5'))))))))),
% 24.11/4.42      inference('lazy_cnf_exists', [status(thm)], [zip_derived_cl782])).
% 24.11/4.42  thf(zip_derived_cl784, plain,
% 24.11/4.42      (~ (((is_of @ '#sk5' @ 
% 24.11/4.42           ((('#C') @ in @ (d_Sep @ omega @ ((('#C') @ (!=) @ emptyset)))))) =>
% 24.11/4.42           ((((('#sk2') = ('#sk3'))) =>
% 24.11/4.42             (((l_some @ (d_Sep @ omega @ ((('#C') @ (!=) @ emptyset))) @ 
% 24.11/4.42               (diffprop @ '#sk4' @ '#sk5')) => (l_some @ 
% 24.11/4.42               (d_Sep @ omega @ ((('#C') @ (!=) @ emptyset))) @ 
% 24.11/4.42               (diffprop @ (ap @ (plus @ '#sk2') @ '#sk4') @ 
% 24.11/4.42                (ap @ (plus @ '#sk3') @ '#sk5')))))))))),
% 24.11/4.42      inference('rw', [status(thm)],
% 24.11/4.42                [zip_derived_cl783, '0', '2', '2', '4', '3', '3'])).
% 24.11/4.42  thf(zip_derived_cl786, plain,
% 24.11/4.42      (~ ((((('#sk2') = ('#sk3'))) =>
% 24.11/4.42           (((l_some @ (d_Sep @ omega @ ((('#C') @ (!=) @ emptyset))) @ 
% 24.11/4.42             (diffprop @ '#sk4' @ '#sk5')) => (l_some @ 
% 24.11/4.42             (d_Sep @ omega @ ((('#C') @ (!=) @ emptyset))) @ 
% 24.11/4.42             (diffprop @ (ap @ (plus @ '#sk2') @ '#sk4') @ 
% 24.11/4.42              (ap @ (plus @ '#sk3') @ '#sk5')))))))),
% 24.11/4.42      inference('lazy_cnf_imply', [status(thm)], [zip_derived_cl784])).
% 24.11/4.42  thf(zip_derived_cl787, plain, ( ((('#sk2') = ('#sk3')))),
% 24.11/4.42      inference('lazy_cnf_imply', [status(thm)], [zip_derived_cl786])).
% 24.11/4.42  thf(zip_derived_cl789, plain, ((('#sk2') = ('#sk3'))),
% 24.11/4.42      inference('simplify nested equalities', [status(thm)],
% 24.11/4.42                [zip_derived_cl787])).
% 24.11/4.42  thf(zip_derived_cl788, plain,
% 24.11/4.42      (~ (((l_some @ (d_Sep @ omega @ ((('#C') @ (!=) @ emptyset))) @ 
% 24.11/4.42           (diffprop @ '#sk4' @ '#sk5')) => (l_some @ 
% 24.11/4.42           (d_Sep @ omega @ ((('#C') @ (!=) @ emptyset))) @ 
% 24.11/4.42           (diffprop @ (ap @ (plus @ '#sk2') @ '#sk4') @ 
% 24.11/4.42            (ap @ (plus @ '#sk3') @ '#sk5')))))),
% 24.11/4.42      inference('lazy_cnf_imply', [status(thm)], [zip_derived_cl786])).
% 24.11/4.42  thf(zip_derived_cl791, plain,
% 24.11/4.42      (~ (l_some @ (d_Sep @ omega @ ((('#C') @ (!=) @ emptyset))) @ 
% 24.11/4.42          (diffprop @ (ap @ (plus @ '#sk2') @ '#sk4') @ 
% 24.11/4.42           (ap @ (plus @ '#sk3') @ '#sk5')))),
% 24.11/4.42      inference('lazy_cnf_imply', [status(thm)], [zip_derived_cl788])).
% 24.11/4.42  thf(zip_derived_cl1731, plain,
% 24.11/4.42      (~ (l_some @ (d_Sep @ omega @ ((('#C') @ (!=) @ emptyset))) @ 
% 24.11/4.42          (diffprop @ (ap @ (plus @ '#sk2') @ '#sk4') @ 
% 24.11/4.42           (ap @ (plus @ '#sk2') @ '#sk5')))),
% 24.11/4.42      inference('sup-', [status(thm)], [zip_derived_cl789, zip_derived_cl791])).
% 24.11/4.42  thf(zip_derived_cl3937, plain,
% 24.11/4.42      ((~ (is_of @ '#sk2' @ 
% 24.11/4.42           ((('#C') @ in @ (d_Sep @ omega @ ((('#C') @ (!=) @ emptyset))))))
% 24.11/4.42        | ~ (is_of @ '#sk4' @ 
% 24.11/4.42             ((('#C') @ in @ (d_Sep @ omega @ ((('#C') @ (!=) @ emptyset))))))
% 24.11/4.42        | ~ (is_of @ '#sk5' @ 
% 24.11/4.42             ((('#C') @ in @ (d_Sep @ omega @ ((('#C') @ (!=) @ emptyset))))))
% 24.11/4.42        | ~ (l_some @ (d_Sep @ omega @ ((('#C') @ (!=) @ emptyset))) @ 
% 24.11/4.42             (diffprop @ '#sk4' @ '#sk5')))),
% 24.11/4.42      inference('sup-', [status(thm)], [zip_derived_cl925, zip_derived_cl1731])).
% 24.11/4.42  thf(zip_derived_cl767, plain,
% 24.11/4.42      ( (is_of @ '#sk2' @ 
% 24.11/4.42         ((('#C') @ in @ (d_Sep @ omega @ ((('#C') @ (!=) @ emptyset))))))),
% 24.11/4.42      inference('lazy_cnf_imply', [status(thm)], [zip_derived_cl766])).
% 24.11/4.42  thf(zip_derived_cl779, plain,
% 24.11/4.42      ( (is_of @ '#sk4' @ 
% 24.11/4.42         ((('#C') @ in @ (d_Sep @ omega @ ((('#C') @ (!=) @ emptyset))))))),
% 24.11/4.42      inference('lazy_cnf_imply', [status(thm)], [zip_derived_cl778])).
% 24.11/4.42  thf(zip_derived_cl785, plain,
% 24.11/4.42      ( (is_of @ '#sk5' @ 
% 24.11/4.42         ((('#C') @ in @ (d_Sep @ omega @ ((('#C') @ (!=) @ emptyset))))))),
% 24.11/4.42      inference('lazy_cnf_imply', [status(thm)], [zip_derived_cl784])).
% 24.11/4.42  thf(zip_derived_cl790, plain,
% 24.11/4.42      ( (l_some @ (d_Sep @ omega @ ((('#C') @ (!=) @ emptyset))) @ 
% 24.11/4.42         (diffprop @ '#sk4' @ '#sk5'))),
% 24.11/4.42      inference('lazy_cnf_imply', [status(thm)], [zip_derived_cl788])).
% 24.11/4.42  thf(zip_derived_cl3951, plain, ($false),
% 24.11/4.42      inference('demod', [status(thm)],
% 24.11/4.42                [zip_derived_cl3937, zip_derived_cl767, zip_derived_cl779, 
% 24.11/4.42                 zip_derived_cl785, zip_derived_cl790])).
% 24.11/4.42  
% 24.11/4.42  % SZS output end Refutation
% 24.11/4.42  
% 24.11/4.42  
% 24.11/4.42  % Terminating...
% 24.51/4.58  % Runner terminated.
% 24.51/4.59  % Zipperpin 1.5 exiting
%------------------------------------------------------------------------------