TSTP Solution File: SEU262+1 by Zipperpin---2.1.9999

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Zipperpin---2.1.9999
% Problem  : SEU262+1 : TPTP v8.1.2. Released v3.3.0.
% Transfm  : NO INFORMATION
% Format   : NO INFORMATION
% Command  : python3 /export/starexec/sandbox/solver/bin/portfolio.lams.parallel.py %s %d /export/starexec/sandbox/tmp/tmp.qhFFiud8Y5 true

% Computer : n007.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 Aug 31 19:11:41 EDT 2023

% Result   : Theorem 105.11s 15.81s
% Output   : Refutation 105.11s
% Verified : 
% SZS Type : -

% Comments : 
%------------------------------------------------------------------------------
%----WARNING: Could not form TPTP format derivation
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.07/0.12  % Problem  : SEU262+1 : TPTP v8.1.2. Released v3.3.0.
% 0.07/0.13  % Command  : python3 /export/starexec/sandbox/solver/bin/portfolio.lams.parallel.py %s %d /export/starexec/sandbox/tmp/tmp.qhFFiud8Y5 true
% 0.13/0.35  % Computer : n007.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 : Thu Aug 24 01:16:39 EDT 2023
% 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
% 0.13/0.35  % Python version: Python 3.6.8
% 0.13/0.36  % Running in FO mode
% 0.21/0.66  % Total configuration time : 435
% 0.21/0.66  % Estimated wc time : 1092
% 0.21/0.66  % Estimated cpu time (7 cpus) : 156.0
% 0.54/0.71  % /export/starexec/sandbox/solver/bin/fo/fo6_bce.sh running for 75s
% 0.56/0.73  % /export/starexec/sandbox/solver/bin/fo/fo3_bce.sh running for 75s
% 0.56/0.75  % /export/starexec/sandbox/solver/bin/fo/fo1_av.sh running for 75s
% 0.56/0.78  % /export/starexec/sandbox/solver/bin/fo/fo7.sh running for 63s
% 0.56/0.78  % /export/starexec/sandbox/solver/bin/fo/fo5.sh running for 50s
% 0.56/0.78  % /export/starexec/sandbox/solver/bin/fo/fo13.sh running for 50s
% 0.56/0.78  % /export/starexec/sandbox/solver/bin/fo/fo4.sh running for 50s
% 0.58/0.83  % /export/starexec/sandbox/solver/bin/fo/fo1_lcnf.sh running for 50s
% 105.11/15.81  % Solved by fo/fo1_lcnf.sh.
% 105.11/15.81  % done 15549 iterations in 14.935s
% 105.11/15.81  % SZS status Theorem for '/export/starexec/sandbox/benchmark/theBenchmark.p'
% 105.11/15.81  % SZS output start Refutation
% 105.11/15.81  thf('#sk17_type', type, '#sk17': $i > $i > $i).
% 105.11/15.81  thf(relation_of2_type, type, relation_of2: $i > $i > $i > $o).
% 105.11/15.81  thf(cartesian_product2_type, type, cartesian_product2: $i > $i > $i).
% 105.11/15.81  thf('#sk6_type', type, '#sk6': $i).
% 105.11/15.81  thf(in_type, type, in: $i > $i > $o).
% 105.11/15.81  thf('#sk7_type', type, '#sk7': $i).
% 105.11/15.81  thf(ordered_pair_type, type, ordered_pair: $i > $i > $i).
% 105.11/15.81  thf('#sk18_type', type, '#sk18': $i > $i > $i).
% 105.11/15.81  thf(relation_of2_as_subset_type, type, relation_of2_as_subset: $i > $i > $i > $o).
% 105.11/15.81  thf(relation_rng_type, type, relation_rng: $i > $i).
% 105.11/15.81  thf(subset_type, type, subset: $i > $i > $o).
% 105.11/15.81  thf('#sk8_type', type, '#sk8': $i).
% 105.11/15.81  thf(powerset_type, type, powerset: $i > $i).
% 105.11/15.81  thf(empty_type, type, empty: $i > $o).
% 105.11/15.81  thf('#sk9_type', type, '#sk9': $i > $i > $i).
% 105.11/15.81  thf(relation_type, type, relation: $i > $o).
% 105.11/15.81  thf(element_type, type, element: $i > $i > $o).
% 105.11/15.81  thf(relation_dom_type, type, relation_dom: $i > $i).
% 105.11/15.81  thf(t12_relset_1, conjecture,
% 105.11/15.81    (![A:$i,B:$i,C:$i]:
% 105.11/15.81     ( ( relation_of2_as_subset @ C @ A @ B ) =>
% 105.11/15.81       ( ( subset @ ( relation_rng @ C ) @ B ) & 
% 105.11/15.81         ( subset @ ( relation_dom @ C ) @ A ) ) ))).
% 105.11/15.81  thf(zf_stmt_0, negated_conjecture,
% 105.11/15.81    (~( ![A:$i,B:$i,C:$i]:
% 105.11/15.81        ( ( relation_of2_as_subset @ C @ A @ B ) =>
% 105.11/15.81          ( ( subset @ ( relation_rng @ C ) @ B ) & 
% 105.11/15.81            ( subset @ ( relation_dom @ C ) @ A ) ) ) )),
% 105.11/15.81    inference('cnf.neg', [status(esa)], [t12_relset_1])).
% 105.11/15.81  thf(zip_derived_cl28, plain,
% 105.11/15.81      (~ (((!!) @ (^[Y0 : $i]:
% 105.11/15.81                     (((!!) @ (^[Y1 : $i]:
% 105.11/15.81                                 (((!!) @ (^[Y2 : $i]:
% 105.11/15.81                                             (((relation_of2_as_subset @ Y2 @ 
% 105.11/15.81                                               Y0 @ Y1) =>
% 105.11/15.81                                               (((subset @ 
% 105.11/15.81                                                 (relation_rng @ Y2) @ Y1) &
% 105.11/15.81                                                 (subset @ 
% 105.11/15.81                                                 (relation_dom @ Y2) @ Y0))))))))))))))),
% 105.11/15.81      inference('cnf', [status(esa)], [zf_stmt_0])).
% 105.11/15.81  thf(zip_derived_cl71, plain,
% 105.11/15.81      (~ (((!!) @ (^[Y0 : $i]:
% 105.11/15.81                     (((!!) @ (^[Y1 : $i]:
% 105.11/15.81                                 (((relation_of2_as_subset @ Y1 @ '#sk6' @ 
% 105.11/15.81                                   Y0) =>
% 105.11/15.81                                   (((subset @ (relation_rng @ Y1) @ Y0) &
% 105.11/15.81                                     (subset @ (relation_dom @ Y1) @ '#sk6')))))))))))),
% 105.11/15.81      inference('lazy_cnf_exists', [status(thm)], [zip_derived_cl28])).
% 105.11/15.81  thf(zip_derived_cl72, plain,
% 105.11/15.81      (~ (((!!) @ (^[Y0 : $i]:
% 105.11/15.81                     (((relation_of2_as_subset @ Y0 @ '#sk6' @ '#sk7') =>
% 105.11/15.81                       (((subset @ (relation_rng @ Y0) @ '#sk7') & (subset @ 
% 105.11/15.81                         (relation_dom @ Y0) @ '#sk6'))))))))),
% 105.11/15.81      inference('lazy_cnf_exists', [status(thm)], [zip_derived_cl71])).
% 105.11/15.81  thf(zip_derived_cl73, plain,
% 105.11/15.81      (~ (((relation_of2_as_subset @ '#sk8' @ '#sk6' @ '#sk7') =>
% 105.11/15.81           (((subset @ (relation_rng @ '#sk8') @ '#sk7') & (subset @ 
% 105.11/15.81             (relation_dom @ '#sk8') @ '#sk6')))))),
% 105.11/15.81      inference('lazy_cnf_exists', [status(thm)], [zip_derived_cl72])).
% 105.11/15.81  thf(zip_derived_cl75, plain,
% 105.11/15.81      (~ (((subset @ (relation_rng @ '#sk8') @ '#sk7') & (subset @ 
% 105.11/15.81           (relation_dom @ '#sk8') @ '#sk6')))),
% 105.11/15.81      inference('lazy_cnf_imply', [status(thm)], [zip_derived_cl73])).
% 105.11/15.81  thf(zip_derived_cl76, plain,
% 105.11/15.81      ((~ (subset @ (relation_rng @ '#sk8') @ '#sk7')
% 105.11/15.81        | ~ (subset @ (relation_dom @ '#sk8') @ '#sk6'))),
% 105.11/15.81      inference('lazy_cnf_and', [status(thm)], [zip_derived_cl75])).
% 105.11/15.81  thf(d4_relat_1, axiom,
% 105.11/15.81    (![A:$i]:
% 105.11/15.81     ( ( relation @ A ) =>
% 105.11/15.81       ( ![B:$i]:
% 105.11/15.81         ( ( ( B ) = ( relation_dom @ A ) ) <=>
% 105.11/15.81           ( ![C:$i]:
% 105.11/15.81             ( ( in @ C @ B ) <=>
% 105.11/15.81               ( ?[D:$i]: ( in @ ( ordered_pair @ C @ D ) @ A ) ) ) ) ) ) ))).
% 105.11/15.81  thf(zip_derived_cl4, plain,
% 105.11/15.81      ( (((!!) @ (^[Y0 : $i]:
% 105.11/15.81                    (((relation @ Y0) =>
% 105.11/15.81                      (((!!) @ (^[Y1 : $i]:
% 105.11/15.81                                  (((((Y1) = (relation_dom @ Y0))) <=>
% 105.11/15.81                                    (((!!) @ (^[Y2 : $i]:
% 105.11/15.81                                                (((in @ Y2 @ Y1) <=>
% 105.11/15.81                                                  (((??) @ (^[Y3 : $i]:
% 105.11/15.81                                                              (in @ 
% 105.11/15.81                                                               (ordered_pair @ 
% 105.11/15.81                                                                Y2 @ Y3) @ 
% 105.11/15.81                                                               Y0)))))))))))))))))))),
% 105.11/15.81      inference('cnf', [status(esa)], [d4_relat_1])).
% 105.11/15.81  thf(zip_derived_cl116, plain,
% 105.11/15.81      (![X2 : $i]:
% 105.11/15.81          (((relation @ X2) =>
% 105.11/15.81            (((!!) @ (^[Y0 : $i]:
% 105.11/15.81                        (((((Y0) = (relation_dom @ X2))) <=>
% 105.11/15.81                          (((!!) @ (^[Y1 : $i]:
% 105.11/15.81                                      (((in @ Y1 @ Y0) <=>
% 105.11/15.81                                        (((??) @ (^[Y2 : $i]:
% 105.11/15.81                                                    (in @ 
% 105.11/15.81                                                     (ordered_pair @ Y1 @ Y2) @ 
% 105.11/15.81                                                     X2))))))))))))))))),
% 105.11/15.81      inference('lazy_cnf_forall', [status(thm)], [zip_derived_cl4])).
% 105.11/15.81  thf(zip_derived_cl117, plain,
% 105.11/15.81      (![X2 : $i]:
% 105.11/15.81         (~ (relation @ X2)
% 105.11/15.81          |  (((!!) @ (^[Y0 : $i]:
% 105.11/15.81                         (((((Y0) = (relation_dom @ X2))) <=>
% 105.11/15.81                           (((!!) @ (^[Y1 : $i]:
% 105.11/15.81                                       (((in @ Y1 @ Y0) <=>
% 105.11/15.81                                         (((??) @ (^[Y2 : $i]:
% 105.11/15.81                                                     (in @ 
% 105.11/15.81                                                      (ordered_pair @ Y1 @ Y2) @ 
% 105.11/15.81                                                      X2)))))))))))))))),
% 105.11/15.81      inference('lazy_cnf_imply', [status(thm)], [zip_derived_cl116])).
% 105.11/15.81  thf(zip_derived_cl118, plain,
% 105.11/15.81      (![X2 : $i, X4 : $i]:
% 105.11/15.81         ( (((((X4) = (relation_dom @ X2))) <=>
% 105.11/15.81             (((!!) @ (^[Y0 : $i]:
% 105.11/15.81                         (((in @ Y0 @ X4) <=>
% 105.11/15.81                           (((??) @ (^[Y1 : $i]:
% 105.11/15.81                                       (in @ (ordered_pair @ Y0 @ Y1) @ X2)))))))))))
% 105.11/15.81          | ~ (relation @ X2))),
% 105.11/15.81      inference('lazy_cnf_forall', [status(thm)], [zip_derived_cl117])).
% 105.11/15.81  thf(zip_derived_cl119, plain,
% 105.11/15.81      (![X2 : $i, X4 : $i]:
% 105.11/15.81         (((((X4) = (relation_dom @ X2)))
% 105.11/15.81            = (((!!) @ (^[Y0 : $i]:
% 105.11/15.81                          (((in @ Y0 @ X4) <=>
% 105.11/15.81                            (((??) @ (^[Y1 : $i]:
% 105.11/15.81                                        (in @ (ordered_pair @ Y0 @ Y1) @ X2))))))))))
% 105.11/15.81          | ~ (relation @ X2))),
% 105.11/15.81      inference('simplify nested equalities', [status(thm)],
% 105.11/15.81                [zip_derived_cl118])).
% 105.11/15.81  thf(zip_derived_cl120, plain,
% 105.11/15.81      (![X-72 : $i, X2 : $i, X4 : $i]:
% 105.11/15.81         ( ((^[Y0 : $i]:
% 105.11/15.81               (((in @ Y0 @ X4) <=>
% 105.11/15.81                 (((??) @ (^[Y1 : $i]: (in @ (ordered_pair @ Y0 @ Y1) @ X2))))))) @ 
% 105.11/15.81            X-72)
% 105.11/15.81          | ~ (((X4) = (relation_dom @ X2)))
% 105.11/15.81          | ~ (relation @ X2))),
% 105.11/15.81      inference('forall_hoist', [status(thm)], [zip_derived_cl119])).
% 105.11/15.81  thf(zip_derived_cl123, plain,
% 105.11/15.81      (![X2 : $i, X4 : $i, X5 : $i]:
% 105.11/15.81         ( ((^[Y0 : $i]:
% 105.11/15.81               (((in @ Y0 @ X4) <=>
% 105.11/15.81                 (((??) @ (^[Y1 : $i]: (in @ (ordered_pair @ Y0 @ Y1) @ X2))))))) @ 
% 105.11/15.81            X5)
% 105.11/15.81          | ~ (((X4) = (relation_dom @ X2)))
% 105.11/15.81          | ~ (relation @ X2))),
% 105.11/15.81      inference('cannonize vars', [status(thm)], [zip_derived_cl120])).
% 105.11/15.81  thf(zip_derived_cl124, plain,
% 105.11/15.81      (![X2 : $i, X4 : $i, X5 : $i]:
% 105.11/15.81         ( ((^[Y0 : $i]:
% 105.11/15.81               (((in @ Y0 @ X4) <=>
% 105.11/15.81                 (((??) @ (^[Y1 : $i]: (in @ (ordered_pair @ Y0 @ Y1) @ X2))))))) @ 
% 105.11/15.81            X5)
% 105.11/15.81          | ((X4) != (relation_dom @ X2))
% 105.11/15.81          | ~ (relation @ X2))),
% 105.11/15.81      inference('simplify nested equalities', [status(thm)],
% 105.11/15.81                [zip_derived_cl123])).
% 105.11/15.81  thf(zip_derived_cl125, plain,
% 105.11/15.81      (![X2 : $i, X4 : $i, X5 : $i]:
% 105.11/15.81         ( (((in @ X5 @ X4) <=>
% 105.11/15.81             (((??) @ (^[Y0 : $i]: (in @ (ordered_pair @ X5 @ Y0) @ X2))))))
% 105.11/15.81          | ((X4) != (relation_dom @ X2))
% 105.11/15.81          | ~ (relation @ X2))),
% 105.11/15.81      inference('rw', [status(thm)], [zip_derived_cl124])).
% 105.11/15.81  thf(zip_derived_cl126, plain,
% 105.11/15.81      (![X2 : $i, X4 : $i, X5 : $i]:
% 105.11/15.81         (((in @ X5 @ X4)
% 105.11/15.81            = (((??) @ (^[Y0 : $i]: (in @ (ordered_pair @ X5 @ Y0) @ X2)))))
% 105.11/15.81          | ((X4) != (relation_dom @ X2))
% 105.11/15.81          | ~ (relation @ X2))),
% 105.11/15.81      inference('simplify nested equalities', [status(thm)],
% 105.11/15.81                [zip_derived_cl125])).
% 105.11/15.81  thf(zip_derived_cl555, plain,
% 105.11/15.81      (![X0 : $i, X1 : $i]:
% 105.11/15.81         (~ (relation @ X0)
% 105.11/15.81          | ((in @ X1 @ (relation_dom @ X0))
% 105.11/15.81              = (((??) @ (^[Y0 : $i]: (in @ (ordered_pair @ X1 @ Y0) @ X0))))))),
% 105.11/15.81      inference('eq_res', [status(thm)], [zip_derived_cl126])).
% 105.11/15.81  thf(zip_derived_cl4627, plain,
% 105.11/15.81      (![X0 : $i, X1 : $i]:
% 105.11/15.81         (~ (relation @ X0)
% 105.11/15.81          | ((in @ X1 @ (relation_dom @ X0))
% 105.11/15.81              = ((^[Y0 : $i]: (in @ (ordered_pair @ X1 @ Y0) @ X0)) @ 
% 105.11/15.81                 ('#sk17' @ X0 @ X1))))),
% 105.11/15.81      inference('quantifier_rw', [status(thm)], [zip_derived_cl555])).
% 105.11/15.81  thf(zip_derived_cl4628, plain,
% 105.11/15.81      (![X0 : $i, X1 : $i]:
% 105.11/15.81         (~ (relation @ X0)
% 105.11/15.81          | ((in @ X1 @ (relation_dom @ X0))
% 105.11/15.81              = (in @ (ordered_pair @ X1 @ ('#sk17' @ X0 @ X1)) @ X0)))),
% 105.11/15.81      inference('rw', [status(thm)], [zip_derived_cl4627])).
% 105.11/15.81  thf(redefinition_m2_relset_1, axiom,
% 105.11/15.81    (![A:$i,B:$i,C:$i]:
% 105.11/15.81     ( ( relation_of2_as_subset @ C @ A @ B ) <=> ( relation_of2 @ C @ A @ B ) ))).
% 105.11/15.81  thf(zip_derived_cl25, plain,
% 105.11/15.81      ( (((!!) @ (^[Y0 : $i]:
% 105.11/15.81                    (((!!) @ (^[Y1 : $i]:
% 105.11/15.81                                (((!!) @ (^[Y2 : $i]:
% 105.11/15.81                                            (((relation_of2_as_subset @ Y2 @ 
% 105.11/15.81                                              Y0 @ Y1) <=> (relation_of2 @ 
% 105.11/15.81                                              Y2 @ Y0 @ Y1))))))))))))),
% 105.11/15.81      inference('cnf', [status(esa)], [redefinition_m2_relset_1])).
% 105.11/15.81  thf(zip_derived_cl148, plain,
% 105.11/15.81      (![X2 : $i]:
% 105.11/15.81          (((!!) @ (^[Y0 : $i]:
% 105.11/15.81                      (((!!) @ (^[Y1 : $i]:
% 105.11/15.81                                  (((relation_of2_as_subset @ Y1 @ X2 @ Y0) <=>
% 105.11/15.81                                    (relation_of2 @ Y1 @ X2 @ Y0)))))))))),
% 105.11/15.81      inference('lazy_cnf_forall', [status(thm)], [zip_derived_cl25])).
% 105.11/15.81  thf(zip_derived_cl149, plain,
% 105.11/15.81      (![X2 : $i, X4 : $i]:
% 105.11/15.81          (((!!) @ (^[Y0 : $i]:
% 105.11/15.81                      (((relation_of2_as_subset @ Y0 @ X2 @ X4) <=>
% 105.11/15.81                        (relation_of2 @ Y0 @ X2 @ X4))))))),
% 105.11/15.81      inference('lazy_cnf_forall', [status(thm)], [zip_derived_cl148])).
% 105.11/15.81  thf(zip_derived_cl150, plain,
% 105.11/15.81      (![X2 : $i, X4 : $i, X6 : $i]:
% 105.11/15.81          (((relation_of2_as_subset @ X6 @ X2 @ X4) <=> (relation_of2 @ X6 @ 
% 105.11/15.81            X2 @ X4)))),
% 105.11/15.81      inference('lazy_cnf_forall', [status(thm)], [zip_derived_cl149])).
% 105.11/15.81  thf(zip_derived_cl151, plain,
% 105.11/15.81      (![X2 : $i, X4 : $i, X6 : $i]:
% 105.11/15.81         ((relation_of2_as_subset @ X6 @ X2 @ X4)
% 105.11/15.81           = (relation_of2 @ X6 @ X2 @ X4))),
% 105.11/15.81      inference('simplify nested equalities', [status(thm)],
% 105.11/15.81                [zip_derived_cl150])).
% 105.11/15.81  thf(zip_derived_cl74, plain,
% 105.11/15.81      ( (relation_of2_as_subset @ '#sk8' @ '#sk6' @ '#sk7')),
% 105.11/15.81      inference('lazy_cnf_imply', [status(thm)], [zip_derived_cl73])).
% 105.11/15.81  thf(zip_derived_cl153, plain, ( (relation_of2 @ '#sk8' @ '#sk6' @ '#sk7')),
% 105.11/15.81      inference('s_sup+', [status(thm)], [zip_derived_cl151, zip_derived_cl74])).
% 105.11/15.81  thf(dt_m2_relset_1, axiom,
% 105.11/15.81    (![A:$i,B:$i,C:$i]:
% 105.11/15.81     ( ( relation_of2_as_subset @ C @ A @ B ) =>
% 105.11/15.81       ( element @ C @ ( powerset @ ( cartesian_product2 @ A @ B ) ) ) ))).
% 105.11/15.81  thf(zip_derived_cl17, plain,
% 105.11/15.81      ( (((!!) @ (^[Y0 : $i]:
% 105.11/15.81                    (((!!) @ (^[Y1 : $i]:
% 105.11/15.81                                (((!!) @ (^[Y2 : $i]:
% 105.11/15.81                                            (((relation_of2_as_subset @ Y2 @ 
% 105.11/15.81                                              Y0 @ Y1) => (element @ Y2 @ 
% 105.11/15.81                                              (powerset @ 
% 105.11/15.81                                               (cartesian_product2 @ Y0 @ Y1))))))))))))))),
% 105.11/15.81      inference('cnf', [status(esa)], [dt_m2_relset_1])).
% 105.11/15.81  thf(zip_derived_cl228, plain,
% 105.11/15.81      (![X2 : $i]:
% 105.11/15.81          (((!!) @ (^[Y0 : $i]:
% 105.11/15.81                      (((!!) @ (^[Y1 : $i]:
% 105.11/15.81                                  (((relation_of2_as_subset @ Y1 @ X2 @ Y0) =>
% 105.11/15.81                                    (element @ Y1 @ 
% 105.11/15.81                                    (powerset @ (cartesian_product2 @ X2 @ Y0)))))))))))),
% 105.11/15.81      inference('lazy_cnf_forall', [status(thm)], [zip_derived_cl17])).
% 105.11/15.81  thf(zip_derived_cl229, plain,
% 105.11/15.81      (![X2 : $i, X4 : $i]:
% 105.11/15.81          (((!!) @ (^[Y0 : $i]:
% 105.11/15.81                      (((relation_of2_as_subset @ Y0 @ X2 @ X4) => (element @ 
% 105.11/15.81                        Y0 @ (powerset @ (cartesian_product2 @ X2 @ X4))))))))),
% 105.11/15.81      inference('lazy_cnf_forall', [status(thm)], [zip_derived_cl228])).
% 105.11/15.81  thf(zip_derived_cl230, plain,
% 105.11/15.81      (![X2 : $i, X4 : $i, X6 : $i]:
% 105.11/15.81          (((relation_of2_as_subset @ X6 @ X2 @ X4) => (element @ X6 @ 
% 105.11/15.81            (powerset @ (cartesian_product2 @ X2 @ X4)))))),
% 105.11/15.81      inference('lazy_cnf_forall', [status(thm)], [zip_derived_cl229])).
% 105.11/15.81  thf(zip_derived_cl151, plain,
% 105.11/15.81      (![X2 : $i, X4 : $i, X6 : $i]:
% 105.11/15.81         ((relation_of2_as_subset @ X6 @ X2 @ X4)
% 105.11/15.81           = (relation_of2 @ X6 @ X2 @ X4))),
% 105.11/15.81      inference('simplify nested equalities', [status(thm)],
% 105.11/15.81                [zip_derived_cl150])).
% 105.11/15.81  thf(t3_subset, axiom,
% 105.11/15.81    (![A:$i,B:$i]:
% 105.11/15.81     ( ( element @ A @ ( powerset @ B ) ) <=> ( subset @ A @ B ) ))).
% 105.11/15.81  thf(zip_derived_cl31, plain,
% 105.11/15.81      ( (((!!) @ (^[Y0 : $i]:
% 105.11/15.81                    (((!!) @ (^[Y1 : $i]:
% 105.11/15.81                                (((element @ Y0 @ (powerset @ Y1)) <=>
% 105.11/15.81                                  (subset @ Y0 @ Y1)))))))))),
% 105.11/15.81      inference('cnf', [status(esa)], [t3_subset])).
% 105.11/15.81  thf(zip_derived_cl108, plain,
% 105.11/15.81      (![X2 : $i]:
% 105.11/15.81          (((!!) @ (^[Y0 : $i]:
% 105.11/15.81                      (((element @ X2 @ (powerset @ Y0)) <=> (subset @ X2 @ Y0))))))),
% 105.11/15.81      inference('lazy_cnf_forall', [status(thm)], [zip_derived_cl31])).
% 105.11/15.81  thf(zip_derived_cl109, plain,
% 105.11/15.81      (![X2 : $i, X4 : $i]:
% 105.11/15.81          (((element @ X2 @ (powerset @ X4)) <=> (subset @ X2 @ X4)))),
% 105.11/15.81      inference('lazy_cnf_forall', [status(thm)], [zip_derived_cl108])).
% 105.11/15.81  thf(zip_derived_cl110, plain,
% 105.11/15.81      (![X2 : $i, X4 : $i]:
% 105.11/15.81         ((element @ X2 @ (powerset @ X4)) = (subset @ X2 @ X4))),
% 105.11/15.81      inference('simplify nested equalities', [status(thm)],
% 105.11/15.81                [zip_derived_cl109])).
% 105.11/15.81  thf(zip_derived_cl231, plain,
% 105.11/15.81      (![X2 : $i, X4 : $i, X6 : $i]:
% 105.11/15.81          (((relation_of2 @ X6 @ X2 @ X4) => (subset @ X6 @ 
% 105.11/15.81            (cartesian_product2 @ X2 @ X4))))),
% 105.11/15.81      inference('demod', [status(thm)],
% 105.11/15.81                [zip_derived_cl230, zip_derived_cl151, zip_derived_cl110])).
% 105.11/15.81  thf(zip_derived_cl232, plain,
% 105.11/15.81      (![X2 : $i, X4 : $i, X6 : $i]:
% 105.11/15.81         (~ (relation_of2 @ X6 @ X2 @ X4)
% 105.11/15.81          |  (subset @ X6 @ (cartesian_product2 @ X2 @ X4)))),
% 105.11/15.81      inference('lazy_cnf_imply', [status(thm)], [zip_derived_cl231])).
% 105.11/15.81  thf(t4_subset, axiom,
% 105.11/15.81    (![A:$i,B:$i,C:$i]:
% 105.11/15.81     ( ( ( element @ B @ ( powerset @ C ) ) & ( in @ A @ B ) ) =>
% 105.11/15.81       ( element @ A @ C ) ))).
% 105.11/15.81  thf(zip_derived_cl32, plain,
% 105.11/15.81      ( (((!!) @ (^[Y0 : $i]:
% 105.11/15.81                    (((!!) @ (^[Y1 : $i]:
% 105.11/15.81                                (((!!) @ (^[Y2 : $i]:
% 105.11/15.81                                            (((((element @ Y1 @ 
% 105.11/15.81                                                (powerset @ Y2)) & (in @ Y0 @ 
% 105.11/15.81                                                Y1))) =>
% 105.11/15.81                                              (element @ Y0 @ Y2))))))))))))),
% 105.11/15.81      inference('cnf', [status(esa)], [t4_subset])).
% 105.11/15.81  thf(zip_derived_cl351, plain,
% 105.11/15.81      (![X2 : $i]:
% 105.11/15.81          (((!!) @ (^[Y0 : $i]:
% 105.11/15.81                      (((!!) @ (^[Y1 : $i]:
% 105.11/15.81                                  (((((element @ Y0 @ (powerset @ Y1)) & (in @ 
% 105.11/15.81                                      X2 @ Y0))) =>
% 105.11/15.81                                    (element @ X2 @ Y1)))))))))),
% 105.11/15.81      inference('lazy_cnf_forall', [status(thm)], [zip_derived_cl32])).
% 105.11/15.81  thf(zip_derived_cl352, plain,
% 105.11/15.81      (![X2 : $i, X4 : $i]:
% 105.11/15.81          (((!!) @ (^[Y0 : $i]:
% 105.11/15.81                      (((((element @ X4 @ (powerset @ Y0)) & (in @ X2 @ X4))) =>
% 105.11/15.81                        (element @ X2 @ Y0))))))),
% 105.11/15.81      inference('lazy_cnf_forall', [status(thm)], [zip_derived_cl351])).
% 105.11/15.81  thf(zip_derived_cl353, plain,
% 105.11/15.81      (![X2 : $i, X4 : $i, X6 : $i]:
% 105.11/15.81          (((((element @ X4 @ (powerset @ X6)) & (in @ X2 @ X4))) =>
% 105.11/15.81            (element @ X2 @ X6)))),
% 105.11/15.81      inference('lazy_cnf_forall', [status(thm)], [zip_derived_cl352])).
% 105.11/15.81  thf(zip_derived_cl110, plain,
% 105.11/15.81      (![X2 : $i, X4 : $i]:
% 105.11/15.81         ((element @ X2 @ (powerset @ X4)) = (subset @ X2 @ X4))),
% 105.11/15.81      inference('simplify nested equalities', [status(thm)],
% 105.11/15.81                [zip_derived_cl109])).
% 105.11/15.81  thf(zip_derived_cl354, plain,
% 105.11/15.81      (![X2 : $i, X4 : $i, X6 : $i]:
% 105.11/15.81          (((((subset @ X4 @ X6) & (in @ X2 @ X4))) => (element @ X2 @ X6)))),
% 105.11/15.81      inference('demod', [status(thm)], [zip_derived_cl353, zip_derived_cl110])).
% 105.11/15.81  thf(zip_derived_cl355, plain,
% 105.11/15.81      (![X2 : $i, X4 : $i, X6 : $i]:
% 105.11/15.81         (~ (((subset @ X4 @ X6) & (in @ X2 @ X4))) |  (element @ X2 @ X6))),
% 105.11/15.81      inference('lazy_cnf_imply', [status(thm)], [zip_derived_cl354])).
% 105.11/15.81  thf(zip_derived_cl356, plain,
% 105.11/15.81      (![X2 : $i, X4 : $i, X6 : $i]:
% 105.11/15.81         (~ (subset @ X4 @ X6) | ~ (in @ X2 @ X4) |  (element @ X2 @ X6))),
% 105.11/15.81      inference('lazy_cnf_and', [status(thm)], [zip_derived_cl355])).
% 105.11/15.81  thf(zip_derived_cl359, plain,
% 105.11/15.81      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i]:
% 105.11/15.81         (~ (relation_of2 @ X2 @ X1 @ X0)
% 105.11/15.81          | ~ (in @ X3 @ X2)
% 105.11/15.81          |  (element @ X3 @ (cartesian_product2 @ X1 @ X0)))),
% 105.11/15.81      inference('s_sup-', [status(thm)], [zip_derived_cl232, zip_derived_cl356])).
% 105.11/15.81  thf(zip_derived_cl2666, plain,
% 105.11/15.81      (![X0 : $i]:
% 105.11/15.81         (~ (in @ X0 @ '#sk8')
% 105.11/15.81          |  (element @ X0 @ (cartesian_product2 @ '#sk6' @ '#sk7')))),
% 105.11/15.81      inference('s_sup-', [status(thm)], [zip_derived_cl153, zip_derived_cl359])).
% 105.11/15.81  thf(t2_subset, axiom,
% 105.11/15.81    (![A:$i,B:$i]:
% 105.11/15.81     ( ( element @ A @ B ) => ( ( in @ A @ B ) | ( empty @ B ) ) ))).
% 105.11/15.81  thf(zip_derived_cl30, plain,
% 105.11/15.81      ( (((!!) @ (^[Y0 : $i]:
% 105.11/15.81                    (((!!) @ (^[Y1 : $i]:
% 105.11/15.81                                (((element @ Y0 @ Y1) =>
% 105.11/15.81                                  (((in @ Y0 @ Y1) | (empty @ Y1)))))))))))),
% 105.11/15.81      inference('cnf', [status(esa)], [t2_subset])).
% 105.11/15.81  thf(zip_derived_cl205, plain,
% 105.11/15.81      (![X2 : $i]:
% 105.11/15.81          (((!!) @ (^[Y0 : $i]:
% 105.11/15.81                      (((element @ X2 @ Y0) =>
% 105.11/15.81                        (((in @ X2 @ Y0) | (empty @ Y0))))))))),
% 105.11/15.81      inference('lazy_cnf_forall', [status(thm)], [zip_derived_cl30])).
% 105.11/15.81  thf(zip_derived_cl206, plain,
% 105.11/15.81      (![X2 : $i, X4 : $i]:
% 105.11/15.81          (((element @ X2 @ X4) => (((in @ X2 @ X4) | (empty @ X4)))))),
% 105.11/15.81      inference('lazy_cnf_forall', [status(thm)], [zip_derived_cl205])).
% 105.11/15.81  thf(zip_derived_cl207, plain,
% 105.11/15.81      (![X2 : $i, X4 : $i]:
% 105.11/15.81         (~ (element @ X2 @ X4) |  (((in @ X2 @ X4) | (empty @ X4))))),
% 105.11/15.81      inference('lazy_cnf_imply', [status(thm)], [zip_derived_cl206])).
% 105.11/15.81  thf(zip_derived_cl208, plain,
% 105.11/15.81      (![X2 : $i, X4 : $i]:
% 105.11/15.81         ( (in @ X2 @ X4) |  (empty @ X4) | ~ (element @ X2 @ X4))),
% 105.11/15.81      inference('lazy_cnf_or', [status(thm)], [zip_derived_cl207])).
% 105.11/15.81  thf(zip_derived_cl2667, plain,
% 105.11/15.81      (![X0 : $i]:
% 105.11/15.81         (~ (in @ X0 @ '#sk8')
% 105.11/15.81          |  (in @ X0 @ (cartesian_product2 @ '#sk6' @ '#sk7'))
% 105.11/15.81          |  (empty @ (cartesian_product2 @ '#sk6' @ '#sk7')))),
% 105.11/15.81      inference('s_sup-', [status(thm)],
% 105.11/15.81                [zip_derived_cl2666, zip_derived_cl208])).
% 105.11/15.81  thf(zip_derived_cl153, plain, ( (relation_of2 @ '#sk8' @ '#sk6' @ '#sk7')),
% 105.11/15.81      inference('s_sup+', [status(thm)], [zip_derived_cl151, zip_derived_cl74])).
% 105.11/15.81  thf(zip_derived_cl232, plain,
% 105.11/15.81      (![X2 : $i, X4 : $i, X6 : $i]:
% 105.11/15.81         (~ (relation_of2 @ X6 @ X2 @ X4)
% 105.11/15.81          |  (subset @ X6 @ (cartesian_product2 @ X2 @ X4)))),
% 105.11/15.81      inference('lazy_cnf_imply', [status(thm)], [zip_derived_cl231])).
% 105.11/15.81  thf(t5_subset, axiom,
% 105.11/15.81    (![A:$i,B:$i,C:$i]:
% 105.11/15.81     ( ~( ( empty @ C ) & ( element @ B @ ( powerset @ C ) ) & ( in @ A @ B ) ) ))).
% 105.11/15.81  thf(zip_derived_cl33, plain,
% 105.11/15.81      ( (((!!) @ (^[Y0 : $i]:
% 105.11/15.81                    (((!!) @ (^[Y1 : $i]:
% 105.11/15.81                                (((!!) @ (^[Y2 : $i]:
% 105.11/15.81                                            (((~) @ (((empty @ Y2) & 
% 105.11/15.81                                                      (element @ Y1 @ 
% 105.11/15.81                                                       (powerset @ Y2)) & 
% 105.11/15.81                                                      (in @ Y0 @ Y1))))))))))))))),
% 105.11/15.81      inference('cnf', [status(esa)], [t5_subset])).
% 105.11/15.81  thf(zip_derived_cl238, plain,
% 105.11/15.81      (![X2 : $i]:
% 105.11/15.81          (((!!) @ (^[Y0 : $i]:
% 105.11/15.81                      (((!!) @ (^[Y1 : $i]:
% 105.11/15.81                                  (((~) @ (((empty @ Y1) & 
% 105.11/15.81                                            (element @ Y0 @ (powerset @ Y1)) & 
% 105.11/15.81                                            (in @ X2 @ Y0)))))))))))),
% 105.11/15.81      inference('lazy_cnf_forall', [status(thm)], [zip_derived_cl33])).
% 105.11/15.81  thf(zip_derived_cl239, plain,
% 105.11/15.81      (![X2 : $i, X4 : $i]:
% 105.11/15.81          (((!!) @ (^[Y0 : $i]:
% 105.11/15.81                      (((~) @ (((empty @ Y0) & 
% 105.11/15.81                                (element @ X4 @ (powerset @ Y0)) & 
% 105.11/15.81                                (in @ X2 @ X4))))))))),
% 105.11/15.81      inference('lazy_cnf_forall', [status(thm)], [zip_derived_cl238])).
% 105.11/15.81  thf(zip_derived_cl240, plain,
% 105.11/15.81      (![X2 : $i, X4 : $i, X6 : $i]:
% 105.11/15.81         ~ (((empty @ X6) & (element @ X4 @ (powerset @ X6)) & (in @ X2 @ X4)))),
% 105.11/15.81      inference('lazy_cnf_forall', [status(thm)], [zip_derived_cl239])).
% 105.11/15.81  thf(zip_derived_cl110, plain,
% 105.11/15.81      (![X2 : $i, X4 : $i]:
% 105.11/15.81         ((element @ X2 @ (powerset @ X4)) = (subset @ X2 @ X4))),
% 105.11/15.81      inference('simplify nested equalities', [status(thm)],
% 105.11/15.81                [zip_derived_cl109])).
% 105.11/15.81  thf(zip_derived_cl241, plain,
% 105.11/15.81      (![X2 : $i, X4 : $i, X6 : $i]:
% 105.11/15.81         ~ (((empty @ X6) & (subset @ X4 @ X6) & (in @ X2 @ X4)))),
% 105.11/15.81      inference('demod', [status(thm)], [zip_derived_cl240, zip_derived_cl110])).
% 105.11/15.81  thf(zip_derived_cl242, plain,
% 105.11/15.81      (![X2 : $i, X4 : $i, X6 : $i]:
% 105.11/15.81         (~ (empty @ X6) | ~ (subset @ X4 @ X6) | ~ (in @ X2 @ X4))),
% 105.11/15.81      inference('lazy_cnf_and', [status(thm)], [zip_derived_cl241])).
% 105.11/15.81  thf(zip_derived_cl245, plain,
% 105.11/15.81      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i]:
% 105.11/15.81         (~ (relation_of2 @ X2 @ X1 @ X0)
% 105.11/15.81          | ~ (empty @ (cartesian_product2 @ X1 @ X0))
% 105.11/15.81          | ~ (in @ X3 @ X2))),
% 105.11/15.81      inference('s_sup-', [status(thm)], [zip_derived_cl232, zip_derived_cl242])).
% 105.11/15.81  thf(zip_derived_cl1419, plain,
% 105.11/15.81      (![X0 : $i]:
% 105.11/15.81         (~ (empty @ (cartesian_product2 @ '#sk6' @ '#sk7'))
% 105.11/15.81          | ~ (in @ X0 @ '#sk8'))),
% 105.11/15.81      inference('s_sup-', [status(thm)], [zip_derived_cl153, zip_derived_cl245])).
% 105.11/15.81  thf(zip_derived_cl3691, plain,
% 105.11/15.81      (![X0 : $i]:
% 105.11/15.81         ( (in @ X0 @ (cartesian_product2 @ '#sk6' @ '#sk7'))
% 105.11/15.81          | ~ (in @ X0 @ '#sk8'))),
% 105.11/15.81      inference('clc', [status(thm)], [zip_derived_cl2667, zip_derived_cl1419])).
% 105.11/15.81  thf(t106_zfmisc_1, axiom,
% 105.11/15.81    (![A:$i,B:$i,C:$i,D:$i]:
% 105.11/15.81     ( ( in @ ( ordered_pair @ A @ B ) @ ( cartesian_product2 @ C @ D ) ) <=>
% 105.11/15.81       ( ( in @ B @ D ) & ( in @ A @ C ) ) ))).
% 105.11/15.81  thf(zip_derived_cl27, plain,
% 105.11/15.81      ( (((!!) @ (^[Y0 : $i]:
% 105.11/15.81                    (((!!) @ (^[Y1 : $i]:
% 105.11/15.81                                (((!!) @ (^[Y2 : $i]:
% 105.11/15.81                                            (((!!) @ (^[Y3 : $i]:
% 105.11/15.81                                                        (((in @ 
% 105.11/15.81                                                          (ordered_pair @ Y0 @ 
% 105.11/15.81                                                           Y1) @ 
% 105.11/15.81                                                          (cartesian_product2 @ 
% 105.11/15.81                                                           Y2 @ Y3)) <=>
% 105.11/15.81                                                          (((in @ Y1 @ Y3) &
% 105.11/15.81                                                            (in @ Y0 @ Y2)))))))))))))))))),
% 105.11/15.81      inference('cnf', [status(esa)], [t106_zfmisc_1])).
% 105.11/15.81  thf(zip_derived_cl277, plain,
% 105.11/15.81      (![X2 : $i]:
% 105.11/15.81          (((!!) @ (^[Y0 : $i]:
% 105.11/15.81                      (((!!) @ (^[Y1 : $i]:
% 105.11/15.81                                  (((!!) @ (^[Y2 : $i]:
% 105.11/15.81                                              (((in @ 
% 105.11/15.81                                                (ordered_pair @ X2 @ Y0) @ 
% 105.11/15.81                                                (cartesian_product2 @ Y1 @ Y2)) <=>
% 105.11/15.81                                                (((in @ Y0 @ Y2) & (in @ X2 @ 
% 105.11/15.81                                                  Y1))))))))))))))),
% 105.11/15.81      inference('lazy_cnf_forall', [status(thm)], [zip_derived_cl27])).
% 105.11/15.81  thf(zip_derived_cl278, plain,
% 105.11/15.81      (![X2 : $i, X4 : $i]:
% 105.11/15.81          (((!!) @ (^[Y0 : $i]:
% 105.11/15.81                      (((!!) @ (^[Y1 : $i]:
% 105.11/15.81                                  (((in @ (ordered_pair @ X2 @ X4) @ 
% 105.11/15.81                                    (cartesian_product2 @ Y0 @ Y1)) <=>
% 105.11/15.81                                    (((in @ X4 @ Y1) & (in @ X2 @ Y0)))))))))))),
% 105.11/15.81      inference('lazy_cnf_forall', [status(thm)], [zip_derived_cl277])).
% 105.11/15.81  thf(zip_derived_cl279, plain,
% 105.11/15.81      (![X2 : $i, X4 : $i, X6 : $i]:
% 105.11/15.81          (((!!) @ (^[Y0 : $i]:
% 105.11/15.81                      (((in @ (ordered_pair @ X2 @ X4) @ 
% 105.11/15.81                        (cartesian_product2 @ X6 @ Y0)) <=>
% 105.11/15.81                        (((in @ X4 @ Y0) & (in @ X2 @ X6))))))))),
% 105.11/15.81      inference('lazy_cnf_forall', [status(thm)], [zip_derived_cl278])).
% 105.11/15.81  thf(zip_derived_cl280, plain,
% 105.11/15.81      (![X2 : $i, X4 : $i, X6 : $i, X8 : $i]:
% 105.11/15.81          (((in @ (ordered_pair @ X2 @ X4) @ 
% 105.11/15.81            (cartesian_product2 @ X6 @ X8)) <=>
% 105.11/15.81            (((in @ X4 @ X8) & (in @ X2 @ X6)))))),
% 105.11/15.81      inference('lazy_cnf_forall', [status(thm)], [zip_derived_cl279])).
% 105.11/15.81  thf(zip_derived_cl281, plain,
% 105.11/15.81      (![X2 : $i, X4 : $i, X6 : $i, X8 : $i]:
% 105.11/15.81         ((in @ (ordered_pair @ X2 @ X4) @ (cartesian_product2 @ X6 @ X8))
% 105.11/15.81           = (((in @ X4 @ X8) & (in @ X2 @ X6))))),
% 105.11/15.81      inference('simplify nested equalities', [status(thm)],
% 105.11/15.81                [zip_derived_cl280])).
% 105.11/15.81  thf(zip_derived_cl291, plain,
% 105.11/15.81      (![X2 : $i, X4 : $i, X6 : $i, X8 : $i]:
% 105.11/15.81         (~ (in @ (ordered_pair @ X2 @ X4) @ (cartesian_product2 @ X6 @ X8))
% 105.11/15.81          |  (((in @ X4 @ X8) & (in @ X2 @ X6))))),
% 105.11/15.81      inference('eq_elim', [status(thm)], [zip_derived_cl281])).
% 105.11/15.81  thf(zip_derived_cl299, plain,
% 105.11/15.81      (![X2 : $i, X4 : $i, X6 : $i, X8 : $i]:
% 105.11/15.81         ( (in @ X2 @ X6)
% 105.11/15.81          | ~ (in @ (ordered_pair @ X2 @ X4) @ (cartesian_product2 @ X6 @ X8)))),
% 105.11/15.81      inference('lazy_cnf_and', [status(thm)], [zip_derived_cl291])).
% 105.11/15.81  thf(zip_derived_cl3724, plain,
% 105.11/15.81      (![X0 : $i, X1 : $i]:
% 105.11/15.81         (~ (in @ (ordered_pair @ X1 @ X0) @ '#sk8') |  (in @ X1 @ '#sk6'))),
% 105.11/15.81      inference('s_sup-', [status(thm)],
% 105.11/15.81                [zip_derived_cl3691, zip_derived_cl299])).
% 105.11/15.81  thf(zip_derived_cl4659, plain,
% 105.11/15.81      (![X0 : $i]:
% 105.11/15.81         (~ (relation @ '#sk8')
% 105.11/15.81          | ~ (in @ X0 @ (relation_dom @ '#sk8'))
% 105.11/15.81          |  (in @ X0 @ '#sk6'))),
% 105.11/15.81      inference('s_sup-', [status(thm)],
% 105.11/15.81                [zip_derived_cl4628, zip_derived_cl3724])).
% 105.11/15.81  thf(zip_derived_cl232, plain,
% 105.11/15.81      (![X2 : $i, X4 : $i, X6 : $i]:
% 105.11/15.81         (~ (relation_of2 @ X6 @ X2 @ X4)
% 105.11/15.81          |  (subset @ X6 @ (cartesian_product2 @ X2 @ X4)))),
% 105.11/15.81      inference('lazy_cnf_imply', [status(thm)], [zip_derived_cl231])).
% 105.11/15.81  thf(zip_derived_cl110, plain,
% 105.11/15.81      (![X2 : $i, X4 : $i]:
% 105.11/15.81         ((element @ X2 @ (powerset @ X4)) = (subset @ X2 @ X4))),
% 105.11/15.81      inference('simplify nested equalities', [status(thm)],
% 105.11/15.81                [zip_derived_cl109])).
% 105.11/15.81  thf(cc1_relset_1, axiom,
% 105.11/15.81    (![A:$i,B:$i,C:$i]:
% 105.11/15.81     ( ( element @ C @ ( powerset @ ( cartesian_product2 @ A @ B ) ) ) =>
% 105.11/15.81       ( relation @ C ) ))).
% 105.11/15.81  thf(zip_derived_cl1, plain,
% 105.11/15.81      ( (((!!) @ (^[Y0 : $i]:
% 105.11/15.81                    (((!!) @ (^[Y1 : $i]:
% 105.11/15.81                                (((!!) @ (^[Y2 : $i]:
% 105.11/15.81                                            (((element @ Y2 @ 
% 105.11/15.81                                              (powerset @ 
% 105.11/15.81                                               (cartesian_product2 @ Y0 @ Y1))) =>
% 105.11/15.81                                              (relation @ Y2))))))))))))),
% 105.11/15.81      inference('cnf', [status(esa)], [cc1_relset_1])).
% 105.11/15.81  thf(zip_derived_cl45, plain,
% 105.11/15.81      (![X2 : $i]:
% 105.11/15.81          (((!!) @ (^[Y0 : $i]:
% 105.11/15.81                      (((!!) @ (^[Y1 : $i]:
% 105.11/15.81                                  (((element @ Y1 @ 
% 105.11/15.81                                    (powerset @ (cartesian_product2 @ X2 @ Y0))) =>
% 105.11/15.81                                    (relation @ Y1)))))))))),
% 105.11/15.81      inference('lazy_cnf_forall', [status(thm)], [zip_derived_cl1])).
% 105.11/15.81  thf(zip_derived_cl46, plain,
% 105.11/15.81      (![X2 : $i, X4 : $i]:
% 105.11/15.81          (((!!) @ (^[Y0 : $i]:
% 105.11/15.81                      (((element @ Y0 @ 
% 105.11/15.81                        (powerset @ (cartesian_product2 @ X2 @ X4))) =>
% 105.11/15.81                        (relation @ Y0))))))),
% 105.11/15.81      inference('lazy_cnf_forall', [status(thm)], [zip_derived_cl45])).
% 105.11/15.81  thf(zip_derived_cl47, plain,
% 105.11/15.81      (![X2 : $i, X4 : $i, X6 : $i]:
% 105.11/15.81          (((element @ X6 @ (powerset @ (cartesian_product2 @ X2 @ X4))) =>
% 105.11/15.81            (relation @ X6)))),
% 105.11/15.81      inference('lazy_cnf_forall', [status(thm)], [zip_derived_cl46])).
% 105.11/15.81  thf(zip_derived_cl48, plain,
% 105.11/15.81      (![X2 : $i, X4 : $i, X6 : $i]:
% 105.11/15.81         (~ (element @ X6 @ (powerset @ (cartesian_product2 @ X2 @ X4)))
% 105.11/15.81          |  (relation @ X6))),
% 105.11/15.81      inference('lazy_cnf_imply', [status(thm)], [zip_derived_cl47])).
% 105.11/15.81  thf(zip_derived_cl111, plain,
% 105.11/15.81      (![X0 : $i, X1 : $i, X2 : $i]:
% 105.11/15.81         (~ (subset @ X2 @ (cartesian_product2 @ X1 @ X0)) |  (relation @ X2))),
% 105.11/15.81      inference('s_sup-', [status(thm)], [zip_derived_cl110, zip_derived_cl48])).
% 105.11/15.81  thf(zip_derived_cl233, plain,
% 105.11/15.81      (![X0 : $i, X1 : $i, X2 : $i]:
% 105.11/15.81         (~ (relation_of2 @ X2 @ X1 @ X0) |  (relation @ X2))),
% 105.11/15.81      inference('s_sup-', [status(thm)], [zip_derived_cl232, zip_derived_cl111])).
% 105.11/15.81  thf(zip_derived_cl153, plain, ( (relation_of2 @ '#sk8' @ '#sk6' @ '#sk7')),
% 105.11/15.81      inference('s_sup+', [status(thm)], [zip_derived_cl151, zip_derived_cl74])).
% 105.11/15.81  thf(zip_derived_cl273, plain, ( (relation @ '#sk8')),
% 105.11/15.81      inference('s_sup+', [status(thm)], [zip_derived_cl233, zip_derived_cl153])).
% 105.11/15.81  thf(zip_derived_cl4676, plain,
% 105.11/15.81      (![X0 : $i]:
% 105.11/15.81         (~ (in @ X0 @ (relation_dom @ '#sk8')) |  (in @ X0 @ '#sk6'))),
% 105.11/15.81      inference('demod', [status(thm)], [zip_derived_cl4659, zip_derived_cl273])).
% 105.11/15.81  thf(d3_tarski, axiom,
% 105.11/15.81    (![A:$i,B:$i]:
% 105.11/15.81     ( ( subset @ A @ B ) <=> ( ![C:$i]: ( ( in @ C @ A ) => ( in @ C @ B ) ) ) ))).
% 105.11/15.81  thf(zip_derived_cl3, plain,
% 105.11/15.81      ( (((!!) @ (^[Y0 : $i]:
% 105.11/15.81                    (((!!) @ (^[Y1 : $i]:
% 105.11/15.81                                (((subset @ Y0 @ Y1) <=>
% 105.11/15.81                                  (((!!) @ (^[Y2 : $i]:
% 105.11/15.81                                              (((in @ Y2 @ Y0) => (in @ Y2 @ 
% 105.11/15.81                                                Y1))))))))))))))),
% 105.11/15.81      inference('cnf', [status(esa)], [d3_tarski])).
% 105.11/15.81  thf(zip_derived_cl77, plain,
% 105.11/15.81      (![X2 : $i]:
% 105.11/15.81          (((!!) @ (^[Y0 : $i]:
% 105.11/15.81                      (((subset @ X2 @ Y0) <=>
% 105.11/15.81                        (((!!) @ (^[Y1 : $i]:
% 105.11/15.81                                    (((in @ Y1 @ X2) => (in @ Y1 @ Y0)))))))))))),
% 105.11/15.81      inference('lazy_cnf_forall', [status(thm)], [zip_derived_cl3])).
% 105.11/15.81  thf(zip_derived_cl78, plain,
% 105.11/15.81      (![X2 : $i, X4 : $i]:
% 105.11/15.81          (((subset @ X2 @ X4) <=>
% 105.11/15.81            (((!!) @ (^[Y0 : $i]: (((in @ Y0 @ X2) => (in @ Y0 @ X4))))))))),
% 105.11/15.81      inference('lazy_cnf_forall', [status(thm)], [zip_derived_cl77])).
% 105.11/15.81  thf(zip_derived_cl79, plain,
% 105.11/15.81      (![X2 : $i, X4 : $i]:
% 105.11/15.81         ((subset @ X2 @ X4)
% 105.11/15.81           = (((!!) @ (^[Y0 : $i]: (((in @ Y0 @ X2) => (in @ Y0 @ X4)))))))),
% 105.11/15.81      inference('simplify nested equalities', [status(thm)], [zip_derived_cl78])).
% 105.11/15.81  thf(zip_derived_cl81, plain,
% 105.11/15.81      (![X2 : $i, X4 : $i]:
% 105.11/15.81         ((subset @ X2 @ X4)
% 105.11/15.81           = ((^[Y0 : $i]: (((in @ Y0 @ X2) => (in @ Y0 @ X4)))) @ 
% 105.11/15.81              ('#sk9' @ X2 @ X4)))),
% 105.11/15.81      inference('quantifier_rw', [status(thm)], [zip_derived_cl79])).
% 105.11/15.81  thf(zip_derived_cl82, plain,
% 105.11/15.81      (![X2 : $i, X4 : $i]:
% 105.11/15.81         ((subset @ X2 @ X4)
% 105.11/15.81           = (((in @ ('#sk9' @ X2 @ X4) @ X2) => (in @ ('#sk9' @ X2 @ X4) @ X4))))),
% 105.11/15.81      inference('rw', [status(thm)], [zip_derived_cl81])).
% 105.11/15.81  thf(zip_derived_cl88, plain,
% 105.11/15.81      (![X2 : $i, X4 : $i]:
% 105.11/15.81         ( (in @ ('#sk9' @ X2 @ X4) @ X2)
% 105.11/15.81          | ((subset @ X2 @ X4)
% 105.11/15.81              = ((($false) => (in @ ('#sk9' @ X2 @ X4) @ X4)))))),
% 105.11/15.81      inference('bool_hoist', [status(thm)], [zip_derived_cl82])).
% 105.11/15.81  thf(zip_derived_cl89, plain,
% 105.11/15.81      (![X2 : $i, X4 : $i]:
% 105.11/15.81         ( (in @ ('#sk9' @ X2 @ X4) @ X2) |  (subset @ X2 @ X4))),
% 105.11/15.81      inference('simplify boolean subterms', [status(thm)], [zip_derived_cl88])).
% 105.11/15.81  thf(zip_derived_cl4700, plain,
% 105.11/15.81      (![X0 : $i]:
% 105.11/15.81         ( (in @ ('#sk9' @ (relation_dom @ '#sk8') @ X0) @ '#sk6')
% 105.11/15.81          |  (subset @ (relation_dom @ '#sk8') @ X0))),
% 105.11/15.81      inference('s_sup+', [status(thm)], [zip_derived_cl4676, zip_derived_cl89])).
% 105.11/15.81  thf(zip_derived_cl82, plain,
% 105.11/15.81      (![X2 : $i, X4 : $i]:
% 105.11/15.81         ((subset @ X2 @ X4)
% 105.11/15.81           = (((in @ ('#sk9' @ X2 @ X4) @ X2) => (in @ ('#sk9' @ X2 @ X4) @ X4))))),
% 105.11/15.81      inference('rw', [status(thm)], [zip_derived_cl81])).
% 105.11/15.81  thf(zip_derived_cl86, plain,
% 105.11/15.81      (![X2 : $i, X4 : $i]:
% 105.11/15.81         ( (subset @ X2 @ X4)
% 105.11/15.81          | ~ (((in @ ('#sk9' @ X2 @ X4) @ X2) => (in @ ('#sk9' @ X2 @ X4) @ 
% 105.11/15.81                X4))))),
% 105.11/15.81      inference('eq_elim', [status(thm)], [zip_derived_cl82])).
% 105.11/15.81  thf(zip_derived_cl103, plain,
% 105.11/15.81      (![X2 : $i, X4 : $i]:
% 105.11/15.81         (~ (in @ ('#sk9' @ X2 @ X4) @ X4) |  (subset @ X2 @ X4))),
% 105.11/15.81      inference('lazy_cnf_imply', [status(thm)], [zip_derived_cl86])).
% 105.11/15.81  thf(zip_derived_cl80258, plain,
% 105.11/15.81      (( (subset @ (relation_dom @ '#sk8') @ '#sk6')
% 105.11/15.81        |  (subset @ (relation_dom @ '#sk8') @ '#sk6'))),
% 105.11/15.81      inference('s_sup-', [status(thm)],
% 105.11/15.81                [zip_derived_cl4700, zip_derived_cl103])).
% 105.11/15.81  thf(zip_derived_cl80298, plain,
% 105.11/15.81      ( (subset @ (relation_dom @ '#sk8') @ '#sk6')),
% 105.11/15.81      inference('simplify', [status(thm)], [zip_derived_cl80258])).
% 105.11/15.81  thf(zip_derived_cl80303, plain,
% 105.11/15.81      (~ (subset @ (relation_rng @ '#sk8') @ '#sk7')),
% 105.11/15.81      inference('demod', [status(thm)], [zip_derived_cl76, zip_derived_cl80298])).
% 105.11/15.81  thf(d5_relat_1, axiom,
% 105.11/15.81    (![A:$i]:
% 105.11/15.81     ( ( relation @ A ) =>
% 105.11/15.81       ( ![B:$i]:
% 105.11/15.81         ( ( ( B ) = ( relation_rng @ A ) ) <=>
% 105.11/15.81           ( ![C:$i]:
% 105.11/15.81             ( ( in @ C @ B ) <=>
% 105.11/15.81               ( ?[D:$i]: ( in @ ( ordered_pair @ D @ C ) @ A ) ) ) ) ) ) ))).
% 105.11/15.81  thf(zip_derived_cl5, plain,
% 105.11/15.81      ( (((!!) @ (^[Y0 : $i]:
% 105.11/15.81                    (((relation @ Y0) =>
% 105.11/15.81                      (((!!) @ (^[Y1 : $i]:
% 105.11/15.81                                  (((((Y1) = (relation_rng @ Y0))) <=>
% 105.11/15.81                                    (((!!) @ (^[Y2 : $i]:
% 105.11/15.81                                                (((in @ Y2 @ Y1) <=>
% 105.11/15.81                                                  (((??) @ (^[Y3 : $i]:
% 105.11/15.81                                                              (in @ 
% 105.11/15.81                                                               (ordered_pair @ 
% 105.11/15.81                                                                Y3 @ Y2) @ 
% 105.11/15.81                                                               Y0)))))))))))))))))))),
% 105.11/15.81      inference('cnf', [status(esa)], [d5_relat_1])).
% 105.11/15.81  thf(zip_derived_cl161, plain,
% 105.11/15.81      (![X2 : $i]:
% 105.11/15.81          (((relation @ X2) =>
% 105.11/15.81            (((!!) @ (^[Y0 : $i]:
% 105.11/15.81                        (((((Y0) = (relation_rng @ X2))) <=>
% 105.11/15.81                          (((!!) @ (^[Y1 : $i]:
% 105.11/15.81                                      (((in @ Y1 @ Y0) <=>
% 105.11/15.81                                        (((??) @ (^[Y2 : $i]:
% 105.11/15.81                                                    (in @ 
% 105.11/15.81                                                     (ordered_pair @ Y2 @ Y1) @ 
% 105.11/15.81                                                     X2))))))))))))))))),
% 105.11/15.81      inference('lazy_cnf_forall', [status(thm)], [zip_derived_cl5])).
% 105.11/15.81  thf(zip_derived_cl162, plain,
% 105.11/15.81      (![X2 : $i]:
% 105.11/15.81         (~ (relation @ X2)
% 105.11/15.81          |  (((!!) @ (^[Y0 : $i]:
% 105.11/15.81                         (((((Y0) = (relation_rng @ X2))) <=>
% 105.11/15.81                           (((!!) @ (^[Y1 : $i]:
% 105.11/15.81                                       (((in @ Y1 @ Y0) <=>
% 105.11/15.81                                         (((??) @ (^[Y2 : $i]:
% 105.11/15.81                                                     (in @ 
% 105.11/15.81                                                      (ordered_pair @ Y2 @ Y1) @ 
% 105.11/15.81                                                      X2)))))))))))))))),
% 105.11/15.81      inference('lazy_cnf_imply', [status(thm)], [zip_derived_cl161])).
% 105.11/15.81  thf(zip_derived_cl163, plain,
% 105.11/15.81      (![X2 : $i, X4 : $i]:
% 105.11/15.81         ( (((((X4) = (relation_rng @ X2))) <=>
% 105.11/15.81             (((!!) @ (^[Y0 : $i]:
% 105.11/15.81                         (((in @ Y0 @ X4) <=>
% 105.11/15.81                           (((??) @ (^[Y1 : $i]:
% 105.11/15.81                                       (in @ (ordered_pair @ Y1 @ Y0) @ X2)))))))))))
% 105.11/15.81          | ~ (relation @ X2))),
% 105.11/15.81      inference('lazy_cnf_forall', [status(thm)], [zip_derived_cl162])).
% 105.11/15.81  thf(zip_derived_cl164, plain,
% 105.11/15.81      (![X2 : $i, X4 : $i]:
% 105.11/15.81         (((((X4) = (relation_rng @ X2)))
% 105.11/15.81            = (((!!) @ (^[Y0 : $i]:
% 105.11/15.81                          (((in @ Y0 @ X4) <=>
% 105.11/15.81                            (((??) @ (^[Y1 : $i]:
% 105.11/15.81                                        (in @ (ordered_pair @ Y1 @ Y0) @ X2))))))))))
% 105.11/15.81          | ~ (relation @ X2))),
% 105.11/15.81      inference('simplify nested equalities', [status(thm)],
% 105.11/15.81                [zip_derived_cl163])).
% 105.11/15.81  thf(zip_derived_cl165, plain,
% 105.11/15.81      (![X-73 : $i, X2 : $i, X4 : $i]:
% 105.11/15.81         ( ((^[Y0 : $i]:
% 105.11/15.81               (((in @ Y0 @ X4) <=>
% 105.11/15.81                 (((??) @ (^[Y1 : $i]: (in @ (ordered_pair @ Y1 @ Y0) @ X2))))))) @ 
% 105.11/15.81            X-73)
% 105.11/15.81          | ~ (((X4) = (relation_rng @ X2)))
% 105.11/15.81          | ~ (relation @ X2))),
% 105.11/15.81      inference('forall_hoist', [status(thm)], [zip_derived_cl164])).
% 105.11/15.81  thf(zip_derived_cl168, plain,
% 105.11/15.81      (![X2 : $i, X4 : $i, X5 : $i]:
% 105.11/15.81         ( ((^[Y0 : $i]:
% 105.11/15.81               (((in @ Y0 @ X4) <=>
% 105.11/15.81                 (((??) @ (^[Y1 : $i]: (in @ (ordered_pair @ Y1 @ Y0) @ X2))))))) @ 
% 105.11/15.81            X5)
% 105.11/15.81          | ~ (((X4) = (relation_rng @ X2)))
% 105.11/15.81          | ~ (relation @ X2))),
% 105.11/15.81      inference('cannonize vars', [status(thm)], [zip_derived_cl165])).
% 105.11/15.81  thf(zip_derived_cl169, plain,
% 105.11/15.81      (![X2 : $i, X4 : $i, X5 : $i]:
% 105.11/15.81         ( ((^[Y0 : $i]:
% 105.11/15.81               (((in @ Y0 @ X4) <=>
% 105.11/15.81                 (((??) @ (^[Y1 : $i]: (in @ (ordered_pair @ Y1 @ Y0) @ X2))))))) @ 
% 105.11/15.81            X5)
% 105.11/15.81          | ((X4) != (relation_rng @ X2))
% 105.11/15.81          | ~ (relation @ X2))),
% 105.11/15.81      inference('simplify nested equalities', [status(thm)],
% 105.11/15.81                [zip_derived_cl168])).
% 105.11/15.81  thf(zip_derived_cl170, plain,
% 105.11/15.81      (![X2 : $i, X4 : $i, X5 : $i]:
% 105.11/15.81         ( (((in @ X5 @ X4) <=>
% 105.11/15.81             (((??) @ (^[Y0 : $i]: (in @ (ordered_pair @ Y0 @ X5) @ X2))))))
% 105.11/15.81          | ((X4) != (relation_rng @ X2))
% 105.11/15.81          | ~ (relation @ X2))),
% 105.11/15.81      inference('rw', [status(thm)], [zip_derived_cl169])).
% 105.11/15.81  thf(zip_derived_cl171, plain,
% 105.11/15.81      (![X2 : $i, X4 : $i, X5 : $i]:
% 105.11/15.81         (((in @ X5 @ X4)
% 105.11/15.81            = (((??) @ (^[Y0 : $i]: (in @ (ordered_pair @ Y0 @ X5) @ X2)))))
% 105.11/15.81          | ((X4) != (relation_rng @ X2))
% 105.11/15.81          | ~ (relation @ X2))),
% 105.11/15.81      inference('simplify nested equalities', [status(thm)],
% 105.11/15.81                [zip_derived_cl170])).
% 105.11/15.81  thf(zip_derived_cl618, plain,
% 105.11/15.81      (![X0 : $i, X1 : $i]:
% 105.11/15.81         (~ (relation @ X0)
% 105.11/15.81          | ((in @ X1 @ (relation_rng @ X0))
% 105.11/15.81              = (((??) @ (^[Y0 : $i]: (in @ (ordered_pair @ Y0 @ X1) @ X0))))))),
% 105.11/15.81      inference('eq_res', [status(thm)], [zip_derived_cl171])).
% 105.11/15.81  thf(zip_derived_cl5498, plain,
% 105.11/15.81      (![X0 : $i, X1 : $i]:
% 105.11/15.81         (~ (relation @ X0)
% 105.11/15.81          | ((in @ X1 @ (relation_rng @ X0))
% 105.11/15.81              = ((^[Y0 : $i]: (in @ (ordered_pair @ Y0 @ X1) @ X0)) @ 
% 105.11/15.81                 ('#sk18' @ X0 @ X1))))),
% 105.11/15.81      inference('quantifier_rw', [status(thm)], [zip_derived_cl618])).
% 105.11/15.81  thf(zip_derived_cl5499, plain,
% 105.11/15.81      (![X0 : $i, X1 : $i]:
% 105.11/15.81         (~ (relation @ X0)
% 105.11/15.81          | ((in @ X1 @ (relation_rng @ X0))
% 105.11/15.81              = (in @ (ordered_pair @ ('#sk18' @ X0 @ X1) @ X1) @ X0)))),
% 105.11/15.81      inference('rw', [status(thm)], [zip_derived_cl5498])).
% 105.11/15.81  thf(zip_derived_cl3691, plain,
% 105.11/15.81      (![X0 : $i]:
% 105.11/15.81         ( (in @ X0 @ (cartesian_product2 @ '#sk6' @ '#sk7'))
% 105.11/15.81          | ~ (in @ X0 @ '#sk8'))),
% 105.11/15.81      inference('clc', [status(thm)], [zip_derived_cl2667, zip_derived_cl1419])).
% 105.11/15.81  thf(zip_derived_cl298, plain,
% 105.11/15.81      (![X2 : $i, X4 : $i, X6 : $i, X8 : $i]:
% 105.11/15.81         ( (in @ X4 @ X8)
% 105.11/15.81          | ~ (in @ (ordered_pair @ X2 @ X4) @ (cartesian_product2 @ X6 @ X8)))),
% 105.11/15.81      inference('lazy_cnf_and', [status(thm)], [zip_derived_cl291])).
% 105.11/15.81  thf(zip_derived_cl3723, plain,
% 105.11/15.81      (![X0 : $i, X1 : $i]:
% 105.11/15.81         (~ (in @ (ordered_pair @ X1 @ X0) @ '#sk8') |  (in @ X0 @ '#sk7'))),
% 105.11/15.81      inference('s_sup-', [status(thm)],
% 105.11/15.81                [zip_derived_cl3691, zip_derived_cl298])).
% 105.11/15.81  thf(zip_derived_cl5535, plain,
% 105.11/15.81      (![X0 : $i]:
% 105.11/15.81         (~ (relation @ '#sk8')
% 105.11/15.81          | ~ (in @ X0 @ (relation_rng @ '#sk8'))
% 105.11/15.81          |  (in @ X0 @ '#sk7'))),
% 105.11/15.81      inference('s_sup-', [status(thm)],
% 105.11/15.81                [zip_derived_cl5499, zip_derived_cl3723])).
% 105.11/15.81  thf(zip_derived_cl273, plain, ( (relation @ '#sk8')),
% 105.11/15.81      inference('s_sup+', [status(thm)], [zip_derived_cl233, zip_derived_cl153])).
% 105.11/15.81  thf(zip_derived_cl5551, plain,
% 105.11/15.81      (![X0 : $i]:
% 105.11/15.81         (~ (in @ X0 @ (relation_rng @ '#sk8')) |  (in @ X0 @ '#sk7'))),
% 105.11/15.81      inference('demod', [status(thm)], [zip_derived_cl5535, zip_derived_cl273])).
% 105.11/15.81  thf(zip_derived_cl89, plain,
% 105.11/15.81      (![X2 : $i, X4 : $i]:
% 105.11/15.81         ( (in @ ('#sk9' @ X2 @ X4) @ X2) |  (subset @ X2 @ X4))),
% 105.11/15.81      inference('simplify boolean subterms', [status(thm)], [zip_derived_cl88])).
% 105.11/15.81  thf(zip_derived_cl5565, plain,
% 105.11/15.81      (![X0 : $i]:
% 105.11/15.81         ( (in @ ('#sk9' @ (relation_rng @ '#sk8') @ X0) @ '#sk7')
% 105.11/15.81          |  (subset @ (relation_rng @ '#sk8') @ X0))),
% 105.11/15.81      inference('s_sup+', [status(thm)], [zip_derived_cl5551, zip_derived_cl89])).
% 105.11/15.81  thf(zip_derived_cl103, plain,
% 105.11/15.81      (![X2 : $i, X4 : $i]:
% 105.11/15.81         (~ (in @ ('#sk9' @ X2 @ X4) @ X4) |  (subset @ X2 @ X4))),
% 105.11/15.81      inference('lazy_cnf_imply', [status(thm)], [zip_derived_cl86])).
% 105.11/15.81  thf(zip_derived_cl106222, plain,
% 105.11/15.81      (( (subset @ (relation_rng @ '#sk8') @ '#sk7')
% 105.11/15.81        |  (subset @ (relation_rng @ '#sk8') @ '#sk7'))),
% 105.11/15.81      inference('s_sup-', [status(thm)],
% 105.11/15.81                [zip_derived_cl5565, zip_derived_cl103])).
% 105.11/15.81  thf(zip_derived_cl106239, plain,
% 105.11/15.81      ( (subset @ (relation_rng @ '#sk8') @ '#sk7')),
% 105.11/15.81      inference('simplify', [status(thm)], [zip_derived_cl106222])).
% 105.11/15.81  thf(zip_derived_cl106243, plain, ($false),
% 105.11/15.81      inference('demod', [status(thm)],
% 105.11/15.81                [zip_derived_cl80303, zip_derived_cl106239])).
% 105.11/15.81  
% 105.11/15.81  % SZS output end Refutation
% 105.11/15.81  
% 105.11/15.81  
% 105.11/15.81  % Terminating...
% 105.42/15.91  % Runner terminated.
% 105.42/15.91  % Zipperpin 1.5 exiting
%------------------------------------------------------------------------------