%------------------------------------------------------------------------------
% File : Zipperpin---2.1.9999
% Problem : SEU848^5 : TPTP v9.2.0. Released v4.0.0.
% Transfm : none
% Format : tptp:raw
% Command : python3 /export/starexec/sandbox/solver/bin/portfolio.lams.parallel.py %s %d /export/starexec/sandbox/tmp/tmp.Nam81YNMz5 true
% Computer : n026.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 04:56:44 PM UTC 2025
% Result : Theorem 0.55s 0.82s
% Output : Refutation 0.55s
% Verified :
% SZS Type : -
% Comments :
%------------------------------------------------------------------------------
%----WARNING: Could not form TPTP format derivation
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.12 % Problem : SEU848^5 : TPTP v9.2.0. Released v4.0.0.
% 0.12/0.13 % Command : python3 /export/starexec/sandbox/solver/bin/portfolio.lams.parallel.py %s %d /export/starexec/sandbox/tmp/tmp.Nam81YNMz5 true
% 0.12/0.34 % Computer : n026.cluster.edu
% 0.12/0.34 % Model : x86_64 x86_64
% 0.12/0.34 % CPU : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.12/0.34 % Memory : 8042.1875MB
% 0.12/0.34 % OS : Linux 3.10.0-693.el7.x86_64
% 0.12/0.34 % CPULimit : 300
% 0.12/0.34 % WCLimit : 300
% 0.12/0.34 % DateTime : Wed Oct 1 16:03:53 EDT 2025
% 0.12/0.34 % CPUTime :
% 0.12/0.34 % Running portfolio for 300 s
% 0.12/0.34 % File : /export/starexec/sandbox/benchmark/theBenchmark.p
% 0.12/0.34 % Number of cores: 8
% 0.12/0.34 % Python version: Python 3.6.8
% 0.12/0.35 % Running in HO mode
% 0.53/0.65 % Total configuration time : 828
% 0.53/0.65 % Estimated wc time : 1656
% 0.53/0.65 % Estimated cpu time (8 cpus) : 207.0
% 0.54/0.75 % /export/starexec/sandbox/solver/bin/lams/40_c.s.sh running for 80s
% 0.54/0.76 % /export/starexec/sandbox/solver/bin/lams/35_full_unif4.sh running for 80s
% 0.55/0.78 % /export/starexec/sandbox/solver/bin/lams/40_c_ic.sh running for 80s
% 0.55/0.79 % /export/starexec/sandbox/solver/bin/lams/15_e_short1.sh running for 30s
% 0.55/0.79 % /export/starexec/sandbox/solver/bin/lams/40_b.comb.sh running for 70s
% 0.55/0.80 % /export/starexec/sandbox/solver/bin/lams/40_noforms.sh running for 90s
% 0.55/0.80 % /export/starexec/sandbox/solver/bin/lams/30_sp5.sh running for 60s
% 0.55/0.80 % /export/starexec/sandbox/solver/bin/lams/20_acsne_simpl.sh running for 40s
% 0.55/0.82 % Solved by lams/35_full_unif4.sh.
% 0.55/0.82 % done 27 iterations in 0.027s
% 0.55/0.82 % SZS status Theorem for '/export/starexec/sandbox/benchmark/theBenchmark.p'
% 0.55/0.82 % SZS output start Refutation
% 0.55/0.82 thf(a_type, type, a: $tType).
% 0.55/0.82 thf('#sk3_type', type, '#sk3': a).
% 0.55/0.82 thf('#sk1_type', type, '#sk1': a > $o).
% 0.55/0.82 thf('#sk4_type', type, '#sk4': a).
% 0.55/0.82 thf('#sk2_type', type, '#sk2': a > $o).
% 0.55/0.82 thf(cGAZING_THM38_pme, conjecture,
% 0.55/0.82 (![S:( a > $o ),T:( a > $o )]:
% 0.55/0.82 ( ( ( ^[Xz:a]: ( ( T @ Xz ) | ( S @ Xz ) ) ) = ( S ) ) <=>
% 0.55/0.82 ( ![Xx:a]: ( ( T @ Xx ) => ( S @ Xx ) ) ) ))).
% 0.55/0.82 thf(zf_stmt_0, negated_conjecture,
% 0.55/0.82 (~( ![S:( a > $o ),T:( a > $o )]:
% 0.55/0.82 ( ( ( ^[Xz:a]: ( ( T @ Xz ) | ( S @ Xz ) ) ) = ( S ) ) <=>
% 0.55/0.82 ( ![Xx:a]: ( ( T @ Xx ) => ( S @ Xx ) ) ) ) )),
% 0.55/0.82 inference('cnf.neg', [status(esa)], [cGAZING_THM38_pme])).
% 0.55/0.82 thf(zip_derived_cl0, plain,
% 0.55/0.82 (~ (((!!) @ (^[Y0 : a > $o]:
% 0.55/0.82 (((!!) @ (^[Y1 : a > $o]:
% 0.55/0.82 ((((((^[Y2 : a]: (((Y1 @ Y2) | (Y0 @ Y2))))) =
% 0.55/0.82 (Y0))) <=>
% 0.55/0.82 (((!!) @ (^[Y2 : a]:
% 0.55/0.82 (((Y1 @ Y2) => (Y0 @ Y2))))))))))))))),
% 0.55/0.82 inference('cnf', [status(esa)], [zf_stmt_0])).
% 0.55/0.82 thf(zip_derived_cl1, plain,
% 0.55/0.82 (~ (((!!) @ (^[Y0 : a > $o]:
% 0.55/0.82 ((((((^[Y1 : a]: (((Y0 @ Y1) | ('#sk1' @ Y1))))) =
% 0.55/0.82 ('#sk1'))) <=>
% 0.55/0.82 (((!!) @ (^[Y1 : a]: (((Y0 @ Y1) => ('#sk1' @ Y1)))))))))))),
% 0.55/0.82 inference('lazy_cnf_exists', [status(thm)], [zip_derived_cl0])).
% 0.55/0.82 thf(zip_derived_cl2, plain,
% 0.55/0.82 (~ ((((((^[Y0 : a]: ((('#sk2' @ Y0) | ('#sk1' @ Y0))))) = ('#sk1'))) <=>
% 0.55/0.82 (((!!) @ (^[Y0 : a]: ((('#sk2' @ Y0) => ('#sk1' @ Y0))))))))),
% 0.55/0.82 inference('lazy_cnf_exists', [status(thm)], [zip_derived_cl1])).
% 0.55/0.82 thf(zip_derived_cl3, plain,
% 0.55/0.82 ((((((^[Y0 : a]: ((('#sk2' @ Y0) | ('#sk1' @ Y0))))) = ('#sk1')))
% 0.55/0.82 != (((!!) @ (^[Y0 : a]: ((('#sk2' @ Y0) => ('#sk1' @ Y0)))))))),
% 0.55/0.82 inference('simplify nested equalities', [status(thm)], [zip_derived_cl2])).
% 0.55/0.82 thf(zip_derived_cl5, plain,
% 0.55/0.82 ((((((^[Y0 : a]: ((('#sk2' @ Y0) | ('#sk1' @ Y0))))) = ('#sk1')))
% 0.55/0.82 != ((^[Y0 : a]: ((('#sk2' @ Y0) => ('#sk1' @ Y0)))) @ '#sk3'))),
% 0.55/0.82 inference('quantifier_rw', [status(thm)], [zip_derived_cl3])).
% 0.55/0.82 thf(zip_derived_cl6, plain,
% 0.55/0.82 ((((((^[Y0 : a]: ((('#sk2' @ Y0) | ('#sk1' @ Y0))))) = ('#sk1')))
% 0.55/0.82 != ((('#sk2' @ '#sk3') => ('#sk1' @ '#sk3'))))),
% 0.55/0.82 inference('ho_norm', [status(thm)], [zip_derived_cl5])).
% 0.55/0.82 thf(zip_derived_cl12, plain,
% 0.55/0.82 ((~ ((((^[Y0 : a]: ((('#sk2' @ Y0) | ('#sk1' @ Y0))))) = ('#sk1')))
% 0.55/0.82 | ~ ((('#sk2' @ '#sk3') => ('#sk1' @ '#sk3'))))),
% 0.55/0.82 inference('eq_elim', [status(thm)], [zip_derived_cl6])).
% 0.55/0.82 thf(zip_derived_cl15, plain,
% 0.55/0.82 (((((^[Y0 : a]: ((('#sk2' @ Y0) | ('#sk1' @ Y0))))) != ('#sk1'))
% 0.55/0.82 | ~ ((('#sk2' @ '#sk3') => ('#sk1' @ '#sk3'))))),
% 0.55/0.82 inference('simplify nested equalities', [status(thm)], [zip_derived_cl12])).
% 0.55/0.82 thf(zip_derived_cl17, plain,
% 0.55/0.82 ((~ ('#sk1' @ '#sk3')
% 0.55/0.82 | (((^[Y0 : a]: ((('#sk2' @ Y0) | ('#sk1' @ Y0))))) != ('#sk1')))),
% 0.55/0.82 inference('lazy_cnf_imply', [status(thm)], [zip_derived_cl15])).
% 0.55/0.82 thf(zip_derived_cl41, plain,
% 0.55/0.82 ((~ ('#sk1' @ '#sk3')
% 0.55/0.82 | (((('#sk2' @ '#sk4') | ('#sk1' @ '#sk4'))) != ('#sk1' @ '#sk4')))),
% 0.55/0.82 inference('neg_ext', [status(thm)], [zip_derived_cl17])).
% 0.55/0.82 thf(zip_derived_cl50, plain,
% 0.55/0.82 (( ('#sk2' @ '#sk4')
% 0.55/0.82 | ~ ('#sk1' @ '#sk3')
% 0.55/0.82 | (((($false) | ('#sk1' @ '#sk4'))) != ('#sk1' @ '#sk4')))),
% 0.55/0.82 inference('bool_hoist', [status(thm)], [zip_derived_cl41])).
% 0.55/0.82 thf(zip_derived_cl51, plain,
% 0.55/0.82 (( ('#sk2' @ '#sk4')
% 0.55/0.82 | ~ ('#sk1' @ '#sk3')
% 0.55/0.82 | (('#sk1' @ '#sk4') != ('#sk1' @ '#sk4')))),
% 0.55/0.82 inference('simplify boolean subterms', [status(thm)], [zip_derived_cl50])).
% 0.55/0.82 thf(zip_derived_cl52, plain, ((~ ('#sk1' @ '#sk3') | ('#sk2' @ '#sk4'))),
% 0.55/0.82 inference('simplify', [status(thm)], [zip_derived_cl51])).
% 0.55/0.82 thf(zip_derived_cl16, plain,
% 0.55/0.82 (( ('#sk2' @ '#sk3')
% 0.55/0.82 | (((^[Y0 : a]: ((('#sk2' @ Y0) | ('#sk1' @ Y0))))) != ('#sk1')))),
% 0.55/0.82 inference('lazy_cnf_imply', [status(thm)], [zip_derived_cl15])).
% 0.55/0.82 thf(zip_derived_cl18, plain,
% 0.55/0.82 (( ('#sk2' @ '#sk3')
% 0.55/0.82 | (((('#sk2' @ '#sk4') | ('#sk1' @ '#sk4'))) != ('#sk1' @ '#sk4')))),
% 0.55/0.82 inference('neg_ext', [status(thm)], [zip_derived_cl16])).
% 0.55/0.82 thf(zip_derived_cl23, plain,
% 0.55/0.82 (( ('#sk2' @ '#sk4')
% 0.55/0.82 | ('#sk2' @ '#sk3')
% 0.55/0.82 | (((($false) | ('#sk1' @ '#sk4'))) != ('#sk1' @ '#sk4')))),
% 0.55/0.82 inference('bool_hoist', [status(thm)], [zip_derived_cl18])).
% 0.55/0.82 thf(zip_derived_cl24, plain,
% 0.55/0.82 (( ('#sk2' @ '#sk4')
% 0.55/0.82 | ('#sk2' @ '#sk3')
% 0.55/0.82 | (('#sk1' @ '#sk4') != ('#sk1' @ '#sk4')))),
% 0.55/0.82 inference('simplify boolean subterms', [status(thm)], [zip_derived_cl23])).
% 0.55/0.82 thf(zip_derived_cl25, plain, (( ('#sk2' @ '#sk3') | ('#sk2' @ '#sk4'))),
% 0.55/0.82 inference('simplify', [status(thm)], [zip_derived_cl24])).
% 0.55/0.82 thf(zip_derived_cl3, plain,
% 0.55/0.82 ((((((^[Y0 : a]: ((('#sk2' @ Y0) | ('#sk1' @ Y0))))) = ('#sk1')))
% 0.55/0.82 != (((!!) @ (^[Y0 : a]: ((('#sk2' @ Y0) => ('#sk1' @ Y0)))))))),
% 0.55/0.82 inference('simplify nested equalities', [status(thm)], [zip_derived_cl2])).
% 0.55/0.82 thf(zip_derived_cl4, plain,
% 0.55/0.82 (![X-81 : a]:
% 0.55/0.82 ( ((^[Y0 : a]: ((('#sk2' @ Y0) => ('#sk1' @ Y0)))) @ X-81)
% 0.55/0.82 | ((((^[Y0 : a]: ((('#sk2' @ Y0) | ('#sk1' @ Y0))))) = ('#sk1'))))),
% 0.55/0.82 inference('forall_hoist', [status(thm)], [zip_derived_cl3])).
% 0.55/0.82 thf(zip_derived_cl7, plain,
% 0.55/0.82 (![X-81 : a]:
% 0.55/0.82 ( ((('#sk2' @ X-81) => ('#sk1' @ X-81)))
% 0.55/0.82 | ((((^[Y0 : a]: ((('#sk2' @ Y0) | ('#sk1' @ Y0))))) = ('#sk1'))))),
% 0.55/0.82 inference('ho_norm', [status(thm)], [zip_derived_cl4])).
% 0.55/0.82 thf(zip_derived_cl8, plain,
% 0.55/0.82 (![X0 : a]:
% 0.55/0.82 ( ((('#sk2' @ X0) => ('#sk1' @ X0)))
% 0.55/0.82 | ((((^[Y0 : a]: ((('#sk2' @ Y0) | ('#sk1' @ Y0))))) = ('#sk1'))))),
% 0.55/0.82 inference('cannonize vars', [status(thm)], [zip_derived_cl7])).
% 0.55/0.82 thf(zip_derived_cl9, plain,
% 0.55/0.82 (![X0 : a]:
% 0.55/0.82 ( ((('#sk2' @ X0) => ('#sk1' @ X0)))
% 0.55/0.82 | (((^[Y0 : a]: ((('#sk2' @ Y0) | ('#sk1' @ Y0))))) = ('#sk1')))),
% 0.55/0.82 inference('simplify nested equalities', [status(thm)], [zip_derived_cl8])).
% 0.55/0.82 thf(zip_derived_cl10, plain,
% 0.55/0.82 (![X0 : a]:
% 0.55/0.82 (~ ('#sk2' @ X0)
% 0.55/0.82 | ('#sk1' @ X0)
% 0.55/0.82 | (((^[Y0 : a]: ((('#sk2' @ Y0) | ('#sk1' @ Y0))))) = ('#sk1')))),
% 0.55/0.82 inference('lazy_cnf_imply', [status(thm)], [zip_derived_cl9])).
% 0.55/0.82 thf(zip_derived_cl31, plain,
% 0.55/0.82 (( ('#sk2' @ '#sk3')
% 0.55/0.82 | (((^[Y0 : a]: ((('#sk2' @ Y0) | ('#sk1' @ Y0))))) = ('#sk1'))
% 0.55/0.82 | ('#sk1' @ '#sk4'))),
% 0.55/0.82 inference('sup-', [status(thm)], [zip_derived_cl25, zip_derived_cl10])).
% 0.55/0.82 thf(zip_derived_cl16, plain,
% 0.55/0.82 (( ('#sk2' @ '#sk3')
% 0.55/0.82 | (((^[Y0 : a]: ((('#sk2' @ Y0) | ('#sk1' @ Y0))))) != ('#sk1')))),
% 0.55/0.82 inference('lazy_cnf_imply', [status(thm)], [zip_derived_cl15])).
% 0.55/0.82 thf(zip_derived_cl42, plain, (( ('#sk1' @ '#sk4') | ('#sk2' @ '#sk3'))),
% 0.55/0.82 inference('clc', [status(thm)], [zip_derived_cl31, zip_derived_cl16])).
% 0.55/0.82 thf(zip_derived_cl18, plain,
% 0.55/0.82 (( ('#sk2' @ '#sk3')
% 0.55/0.82 | (((('#sk2' @ '#sk4') | ('#sk1' @ '#sk4'))) != ('#sk1' @ '#sk4')))),
% 0.55/0.82 inference('neg_ext', [status(thm)], [zip_derived_cl16])).
% 0.55/0.82 thf(zip_derived_cl22, plain,
% 0.55/0.82 ((~ ((('#sk2' @ '#sk4') | ('#sk1' @ '#sk4')))
% 0.55/0.82 | ~ ('#sk1' @ '#sk4')
% 0.55/0.82 | ('#sk2' @ '#sk3'))),
% 0.55/0.82 inference('eq_elim', [status(thm)], [zip_derived_cl18])).
% 0.55/0.82 thf(zip_derived_cl28, plain,
% 0.55/0.82 ((~ ((('#sk2' @ '#sk4') | ($true)))
% 0.55/0.82 | ~ ('#sk1' @ '#sk4')
% 0.55/0.82 | ('#sk2' @ '#sk3'))),
% 0.55/0.82 inference('local_rewriting', [status(thm)], [zip_derived_cl22])).
% 0.55/0.82 thf(zip_derived_cl29, plain, ((~ ('#sk1' @ '#sk4') | ('#sk2' @ '#sk3'))),
% 0.55/0.82 inference('simplify boolean subterms', [status(thm)], [zip_derived_cl28])).
% 0.55/0.82 thf(zip_derived_cl43, plain, ( ('#sk2' @ '#sk3')),
% 0.55/0.82 inference('clc', [status(thm)], [zip_derived_cl42, zip_derived_cl29])).
% 0.55/0.82 thf(zip_derived_cl43, plain, ( ('#sk2' @ '#sk3')),
% 0.55/0.82 inference('clc', [status(thm)], [zip_derived_cl42, zip_derived_cl29])).
% 0.55/0.82 thf(zip_derived_cl10, plain,
% 0.55/0.82 (![X0 : a]:
% 0.55/0.82 (~ ('#sk2' @ X0)
% 0.55/0.82 | ('#sk1' @ X0)
% 0.55/0.82 | (((^[Y0 : a]: ((('#sk2' @ Y0) | ('#sk1' @ Y0))))) = ('#sk1')))),
% 0.55/0.82 inference('lazy_cnf_imply', [status(thm)], [zip_derived_cl9])).
% 0.55/0.82 thf(zip_derived_cl46, plain,
% 0.55/0.82 (((((^[Y0 : a]: ((('#sk2' @ Y0) | ('#sk1' @ Y0))))) = ('#sk1'))
% 0.55/0.82 | ('#sk1' @ '#sk3'))),
% 0.55/0.82 inference('sup-', [status(thm)], [zip_derived_cl43, zip_derived_cl10])).
% 0.55/0.82 thf(zip_derived_cl59, plain,
% 0.55/0.82 (![X1 : a]:
% 0.55/0.82 ((((^[Y0 : a]: ((('#sk2' @ Y0) | ('#sk1' @ Y0)))) @ X1)
% 0.55/0.82 = ('#sk1' @ X1))
% 0.55/0.82 | ('#sk1' @ '#sk3'))),
% 0.55/0.82 inference('ho_complete_eq', [status(thm)], [zip_derived_cl46])).
% 0.55/0.82 thf(zip_derived_cl60, plain,
% 0.55/0.82 (![X1 : a]:
% 0.55/0.82 ((((('#sk2' @ X1) | ('#sk1' @ X1))) = ('#sk1' @ X1))
% 0.55/0.82 | ('#sk1' @ '#sk3'))),
% 0.55/0.82 inference('ho_norm', [status(thm)], [zip_derived_cl59])).
% 0.55/0.82 thf(zip_derived_cl62, plain,
% 0.55/0.82 (((((($true) | ('#sk1' @ '#sk3'))) = ('#sk1' @ '#sk3'))
% 0.55/0.82 | ('#sk1' @ '#sk3'))),
% 0.55/0.82 inference('sup+', [status(thm)], [zip_derived_cl43, zip_derived_cl60])).
% 0.55/0.82 thf(zip_derived_cl72, plain, (( ('#sk1' @ '#sk3') | ('#sk1' @ '#sk3'))),
% 0.55/0.82 inference('simplify boolean subterms', [status(thm)], [zip_derived_cl62])).
% 0.55/0.82 thf(zip_derived_cl73, plain, ( ('#sk1' @ '#sk3')),
% 0.55/0.82 inference('simplify', [status(thm)], [zip_derived_cl72])).
% 0.55/0.82 thf(zip_derived_cl78, plain, ( ('#sk2' @ '#sk4')),
% 0.55/0.82 inference('demod', [status(thm)], [zip_derived_cl52, zip_derived_cl73])).
% 0.55/0.82 thf(zip_derived_cl10, plain,
% 0.55/0.82 (![X0 : a]:
% 0.55/0.82 (~ ('#sk2' @ X0)
% 0.55/0.82 | ('#sk1' @ X0)
% 0.55/0.82 | (((^[Y0 : a]: ((('#sk2' @ Y0) | ('#sk1' @ Y0))))) = ('#sk1')))),
% 0.55/0.82 inference('lazy_cnf_imply', [status(thm)], [zip_derived_cl9])).
% 0.55/0.82 thf(zip_derived_cl80, plain,
% 0.55/0.82 (((((^[Y0 : a]: ((('#sk2' @ Y0) | ('#sk1' @ Y0))))) = ('#sk1'))
% 0.55/0.82 | ('#sk1' @ '#sk4'))),
% 0.55/0.82 inference('sup-', [status(thm)], [zip_derived_cl78, zip_derived_cl10])).
% 0.55/0.82 thf(zip_derived_cl41, plain,
% 0.55/0.82 ((~ ('#sk1' @ '#sk3')
% 0.55/0.82 | (((('#sk2' @ '#sk4') | ('#sk1' @ '#sk4'))) != ('#sk1' @ '#sk4')))),
% 0.55/0.82 inference('neg_ext', [status(thm)], [zip_derived_cl17])).
% 0.55/0.82 thf(zip_derived_cl49, plain,
% 0.55/0.82 ((~ ((('#sk2' @ '#sk4') | ('#sk1' @ '#sk4')))
% 0.55/0.82 | ~ ('#sk1' @ '#sk4')
% 0.55/0.82 | ~ ('#sk1' @ '#sk3'))),
% 0.55/0.82 inference('eq_elim', [status(thm)], [zip_derived_cl41])).
% 0.55/0.82 thf(zip_derived_cl55, plain,
% 0.55/0.82 ((~ ((('#sk2' @ '#sk4') | ($true)))
% 0.55/0.82 | ~ ('#sk1' @ '#sk4')
% 0.55/0.82 | ~ ('#sk1' @ '#sk3'))),
% 0.55/0.82 inference('local_rewriting', [status(thm)], [zip_derived_cl49])).
% 0.55/0.82 thf(zip_derived_cl56, plain, ((~ ('#sk1' @ '#sk4') | ~ ('#sk1' @ '#sk3'))),
% 0.55/0.82 inference('simplify boolean subterms', [status(thm)], [zip_derived_cl55])).
% 0.55/0.82 thf(zip_derived_cl73, plain, ( ('#sk1' @ '#sk3')),
% 0.55/0.82 inference('simplify', [status(thm)], [zip_derived_cl72])).
% 0.55/0.82 thf(zip_derived_cl79, plain, (~ ('#sk1' @ '#sk4')),
% 0.55/0.82 inference('demod', [status(thm)], [zip_derived_cl56, zip_derived_cl73])).
% 0.55/0.82 thf(zip_derived_cl93, plain,
% 0.55/0.82 ((((^[Y0 : a]: ((('#sk2' @ Y0) | ('#sk1' @ Y0))))) = ('#sk1'))),
% 0.55/0.82 inference('demod', [status(thm)], [zip_derived_cl80, zip_derived_cl79])).
% 0.55/0.82 thf(zip_derived_cl6, plain,
% 0.55/0.82 ((((((^[Y0 : a]: ((('#sk2' @ Y0) | ('#sk1' @ Y0))))) = ('#sk1')))
% 0.55/0.82 != ((('#sk2' @ '#sk3') => ('#sk1' @ '#sk3'))))),
% 0.55/0.82 inference('ho_norm', [status(thm)], [zip_derived_cl5])).
% 0.55/0.82 thf(zip_derived_cl43, plain, ( ('#sk2' @ '#sk3')),
% 0.55/0.82 inference('clc', [status(thm)], [zip_derived_cl42, zip_derived_cl29])).
% 0.55/0.82 thf(zip_derived_cl44, plain,
% 0.55/0.82 ((((((^[Y0 : a]: ((('#sk2' @ Y0) | ('#sk1' @ Y0))))) = ('#sk1')))
% 0.55/0.82 != ((($true) => ('#sk1' @ '#sk3'))))),
% 0.55/0.82 inference('demod', [status(thm)], [zip_derived_cl6, zip_derived_cl43])).
% 0.55/0.82 thf(zip_derived_cl45, plain,
% 0.55/0.82 ((((((^[Y0 : a]: ((('#sk2' @ Y0) | ('#sk1' @ Y0))))) = ('#sk1')))
% 0.55/0.82 != ('#sk1' @ '#sk3'))),
% 0.55/0.82 inference('simplify boolean subterms', [status(thm)], [zip_derived_cl44])).
% 0.55/0.82 thf(zip_derived_cl73, plain, ( ('#sk1' @ '#sk3')),
% 0.55/0.82 inference('simplify', [status(thm)], [zip_derived_cl72])).
% 0.55/0.82 thf(zip_derived_cl84, plain,
% 0.55/0.82 (~ ((((^[Y0 : a]: ((('#sk2' @ Y0) | ('#sk1' @ Y0))))) = ('#sk1')))),
% 0.55/0.82 inference('demod', [status(thm)], [zip_derived_cl45, zip_derived_cl73])).
% 0.55/0.82 thf(zip_derived_cl85, plain,
% 0.55/0.82 ((((^[Y0 : a]: ((('#sk2' @ Y0) | ('#sk1' @ Y0))))) != ('#sk1'))),
% 0.55/0.82 inference('simplify nested equalities', [status(thm)], [zip_derived_cl84])).
% 0.55/0.82 thf(zip_derived_cl94, plain, ($false),
% 0.55/0.82 inference('simplify_reflect-', [status(thm)],
% 0.55/0.82 [zip_derived_cl93, zip_derived_cl85])).
% 0.55/0.82
% 0.55/0.82 % SZS output end Refutation
% 0.55/0.82
% 0.55/0.82
% 0.55/0.82 % Terminating...
% 1.79/0.88 % Runner terminated.
% 1.82/0.91 % Zipperpin 1.5 exiting
%------------------------------------------------------------------------------