%------------------------------------------------------------------------------
% File : Zipperpin---2.1.9999
% Problem : SET016-3 : TPTP v9.2.0. Released v1.0.0.
% Transfm : none
% Format : tptp:raw
% Command : python3 /export/starexec/sandbox2/solver/bin/portfolio.lams.parallel.py %s %d /export/starexec/sandbox2/tmp/tmp.K2CzKlDKgi true
% Computer : n029.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 04:51:08 PM UTC 2025
% Result : Unsatisfiable 9.81s 1.95s
% Output : Refutation 9.81s
% Verified :
% SZS Type : -
% Comments :
%------------------------------------------------------------------------------
%----WARNING: Could not form TPTP format derivation
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.09 % Problem : SET016-3 : TPTP v9.2.0. Released v1.0.0.
% 0.00/0.10 % Command : python3 /export/starexec/sandbox2/solver/bin/portfolio.lams.parallel.py %s %d /export/starexec/sandbox2/tmp/tmp.K2CzKlDKgi true
% 0.10/0.30 % Computer : n029.cluster.edu
% 0.10/0.30 % Model : x86_64 x86_64
% 0.10/0.30 % CPU : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.10/0.30 % Memory : 8042.1875MB
% 0.10/0.30 % OS : Linux 3.10.0-693.el7.x86_64
% 0.10/0.30 % CPULimit : 300
% 0.10/0.30 % WCLimit : 300
% 0.10/0.30 % DateTime : Wed Oct 1 13:11:08 EDT 2025
% 0.10/0.30 % CPUTime :
% 0.10/0.30 % Running portfolio for 300 s
% 0.10/0.30 % File : /export/starexec/sandbox2/benchmark/theBenchmark.p
% 0.10/0.30 % Number of cores: 8
% 0.10/0.30 % Python version: Python 3.6.8
% 0.10/0.30 % Running in FO mode
% 0.15/0.54 % Total configuration time : 435
% 0.15/0.54 % Estimated wc time : 1092
% 0.15/0.54 % Estimated cpu time (7 cpus) : 156.0
% 0.95/0.65 % /export/starexec/sandbox2/solver/bin/fo/fo6_bce.sh running for 75s
% 0.95/0.65 % /export/starexec/sandbox2/solver/bin/fo/fo3_bce.sh running for 75s
% 0.95/0.66 % /export/starexec/sandbox2/solver/bin/fo/fo1_av.sh running for 75s
% 0.95/0.66 % /export/starexec/sandbox2/solver/bin/fo/fo5.sh running for 50s
% 0.95/0.66 % /export/starexec/sandbox2/solver/bin/fo/fo13.sh running for 50s
% 0.95/0.66 % /export/starexec/sandbox2/solver/bin/fo/fo7.sh running for 63s
% 0.95/0.66 % /export/starexec/sandbox2/solver/bin/fo/fo4.sh running for 50s
% 0.95/0.70 % /export/starexec/sandbox2/solver/bin/fo/fo1_lcnf.sh running for 50s
% 0.95/0.70 % /export/starexec/sandbox2/solver/bin/fo/fo17_bce.sh running for 50s
% 9.81/1.95 % Solved by fo/fo6_bce.sh.
% 9.81/1.95 % BCE start: 145
% 9.81/1.95 % BCE eliminated: 1
% 9.81/1.95 % PE start: 144
% 9.81/1.95 logic: eq
% 9.81/1.95 % PE eliminated: 11
% 9.81/1.95 % done 684 iterations in 1.273s
% 9.81/1.95 % SZS status Theorem for '/export/starexec/sandbox2/benchmark/theBenchmark.p'
% 9.81/1.95 % SZS output start Refutation
% 9.81/1.95 thf(singleton_set_type, type, singleton_set: $i > $i).
% 9.81/1.95 thf(non_ordered_pair_type, type, non_ordered_pair: $i > $i > $i).
% 9.81/1.95 thf(ordered_pair_type, type, ordered_pair: $i > $i > $i).
% 9.81/1.95 thf(c_type, type, c: $i).
% 9.81/1.95 thf(member_type, type, member: $i > $i > $o).
% 9.81/1.95 thf(little_set_type, type, little_set: $i > $o).
% 9.81/1.95 thf(b_type, type, b: $i).
% 9.81/1.95 thf(a_type, type, a: $i).
% 9.81/1.95 thf(d_type, type, d: $i).
% 9.81/1.95 thf(non_ordered_pair2, axiom,
% 9.81/1.95 (( member @ U @ ( non_ordered_pair @ X @ Y ) ) | ( ~( little_set @ U ) ) |
% 9.81/1.95 ( ( U ) != ( X ) ))).
% 9.81/1.95 thf(zip_derived_cl5, plain,
% 9.81/1.95 (![X0 : $i, X1 : $i, X2 : $i]:
% 9.81/1.95 ( (member @ X0 @ (non_ordered_pair @ X1 @ X2))
% 9.81/1.95 | ~ (little_set @ X0)
% 9.81/1.95 | ((X0) != (X1)))),
% 9.81/1.95 inference('cnf', [status(esa)], [non_ordered_pair2])).
% 9.81/1.95 thf(zip_derived_cl1035, plain,
% 9.81/1.95 (![X0 : $i, X1 : $i]:
% 9.81/1.95 (~ (little_set @ X0) | (member @ X0 @ (non_ordered_pair @ X0 @ X1)))),
% 9.81/1.95 inference('eq_res', [status(thm)], [zip_derived_cl5])).
% 9.81/1.95 thf(zip_derived_cl1035, plain,
% 9.81/1.95 (![X0 : $i, X1 : $i]:
% 9.81/1.95 (~ (little_set @ X0) | (member @ X0 @ (non_ordered_pair @ X0 @ X1)))),
% 9.81/1.95 inference('eq_res', [status(thm)], [zip_derived_cl5])).
% 9.81/1.95 thf(equal_ordered_pairs, axiom,
% 9.81/1.95 (( ordered_pair @ a @ c ) = ( ordered_pair @ b @ d ))).
% 9.81/1.95 thf(zip_derived_cl143, plain,
% 9.81/1.95 (((ordered_pair @ a @ c) = (ordered_pair @ b @ d))),
% 9.81/1.95 inference('cnf', [status(esa)], [equal_ordered_pairs])).
% 9.81/1.95 thf(ordered_pair, axiom,
% 9.81/1.95 (( ordered_pair @ X @ Y ) =
% 9.81/1.95 ( non_ordered_pair @ ( singleton_set @ X ) @ ( non_ordered_pair @ X @ Y ) ))).
% 9.81/1.95 thf(zip_derived_cl9, plain,
% 9.81/1.95 (![X0 : $i, X1 : $i]:
% 9.81/1.95 ((ordered_pair @ X0 @ X1)
% 9.81/1.95 = (non_ordered_pair @ (singleton_set @ X0) @
% 9.81/1.95 (non_ordered_pair @ X0 @ X1)))),
% 9.81/1.95 inference('cnf', [status(esa)], [ordered_pair])).
% 9.81/1.95 thf(zip_derived_cl1035, plain,
% 9.81/1.95 (![X0 : $i, X1 : $i]:
% 9.81/1.95 (~ (little_set @ X0) | (member @ X0 @ (non_ordered_pair @ X0 @ X1)))),
% 9.81/1.95 inference('eq_res', [status(thm)], [zip_derived_cl5])).
% 9.81/1.95 thf(zip_derived_cl1494, plain,
% 9.81/1.95 (![X0 : $i, X1 : $i]:
% 9.81/1.95 (~ (little_set @ (singleton_set @ X1))
% 9.81/1.95 | (member @ (singleton_set @ X1) @ (ordered_pair @ X1 @ X0)))),
% 9.81/1.95 inference('s_sup+', [status(thm)], [zip_derived_cl9, zip_derived_cl1035])).
% 9.81/1.95 thf(singleton_set, axiom,
% 9.81/1.95 (( singleton_set @ X ) = ( non_ordered_pair @ X @ X ))).
% 9.81/1.95 thf(zip_derived_cl8, plain,
% 9.81/1.95 (![X0 : $i]: ((singleton_set @ X0) = (non_ordered_pair @ X0 @ X0))),
% 9.81/1.95 inference('cnf', [status(esa)], [singleton_set])).
% 9.81/1.95 thf(non_ordered_pair4, axiom, (little_set @ ( non_ordered_pair @ X @ Y ))).
% 9.81/1.95 thf(zip_derived_cl7, plain,
% 9.81/1.95 (![X0 : $i, X1 : $i]: (little_set @ (non_ordered_pair @ X0 @ X1))),
% 9.81/1.95 inference('cnf', [status(esa)], [non_ordered_pair4])).
% 9.81/1.95 thf(zip_derived_cl1015, plain,
% 9.81/1.95 (![X0 : $i]: (little_set @ (singleton_set @ X0))),
% 9.81/1.95 inference('s_sup+', [status(thm)], [zip_derived_cl8, zip_derived_cl7])).
% 9.81/1.95 thf(zip_derived_cl1496, plain,
% 9.81/1.95 (![X0 : $i, X1 : $i]:
% 9.81/1.95 (member @ (singleton_set @ X1) @ (ordered_pair @ X1 @ X0))),
% 9.81/1.95 inference('demod', [status(thm)],
% 9.81/1.95 [zip_derived_cl1494, zip_derived_cl1015])).
% 9.81/1.95 thf(zip_derived_cl1533, plain,
% 9.81/1.95 ( (member @ (singleton_set @ b) @ (ordered_pair @ a @ c))),
% 9.81/1.95 inference('s_sup+', [status(thm)],
% 9.81/1.95 [zip_derived_cl143, zip_derived_cl1496])).
% 9.81/1.95 thf(zip_derived_cl8, plain,
% 9.81/1.95 (![X0 : $i]: ((singleton_set @ X0) = (non_ordered_pair @ X0 @ X0))),
% 9.81/1.95 inference('cnf', [status(esa)], [singleton_set])).
% 9.81/1.95 thf(zip_derived_cl1536, plain,
% 9.81/1.95 ( (member @ (non_ordered_pair @ b @ b) @ (ordered_pair @ a @ c))),
% 9.81/1.95 inference('demod', [status(thm)], [zip_derived_cl1533, zip_derived_cl8])).
% 9.81/1.95 thf(zip_derived_cl9, plain,
% 9.81/1.95 (![X0 : $i, X1 : $i]:
% 9.81/1.95 ((ordered_pair @ X0 @ X1)
% 9.81/1.95 = (non_ordered_pair @ (singleton_set @ X0) @
% 9.81/1.95 (non_ordered_pair @ X0 @ X1)))),
% 9.81/1.95 inference('cnf', [status(esa)], [ordered_pair])).
% 9.81/1.95 thf(non_ordered_pair1, axiom,
% 9.81/1.95 (( ~( member @ U @ ( non_ordered_pair @ X @ Y ) ) ) | ( ( U ) = ( X ) ) |
% 9.81/1.95 ( ( U ) = ( Y ) ))).
% 9.81/1.95 thf(zip_derived_cl4, plain,
% 9.81/1.95 (![X0 : $i, X1 : $i, X2 : $i]:
% 9.81/1.95 (~ (member @ X0 @ (non_ordered_pair @ X1 @ X2))
% 9.81/1.95 | ((X0) = (X1))
% 9.81/1.95 | ((X0) = (X2)))),
% 9.81/1.95 inference('cnf', [status(esa)], [non_ordered_pair1])).
% 9.81/1.95 thf(zip_derived_cl1040, plain,
% 9.81/1.95 (![X0 : $i, X1 : $i, X2 : $i]:
% 9.81/1.95 (~ (member @ X2 @ (ordered_pair @ X1 @ X0))
% 9.81/1.95 | ((X2) = (singleton_set @ X1))
% 9.81/1.95 | ((X2) = (non_ordered_pair @ X1 @ X0)))),
% 9.81/1.95 inference('s_sup-', [status(thm)], [zip_derived_cl9, zip_derived_cl4])).
% 9.81/1.95 thf(zip_derived_cl3826, plain,
% 9.81/1.95 ((((non_ordered_pair @ b @ b) = (singleton_set @ a))
% 9.81/1.95 | ((non_ordered_pair @ b @ b) = (non_ordered_pair @ a @ c)))),
% 9.81/1.95 inference('s_sup-', [status(thm)],
% 9.81/1.95 [zip_derived_cl1536, zip_derived_cl1040])).
% 9.81/1.95 thf(zip_derived_cl8, plain,
% 9.81/1.95 (![X0 : $i]: ((singleton_set @ X0) = (non_ordered_pair @ X0 @ X0))),
% 9.81/1.95 inference('cnf', [status(esa)], [singleton_set])).
% 9.81/1.95 thf(zip_derived_cl3856, plain,
% 9.81/1.95 ((((non_ordered_pair @ b @ b) = (non_ordered_pair @ a @ a))
% 9.81/1.95 | ((non_ordered_pair @ b @ b) = (non_ordered_pair @ a @ c)))),
% 9.81/1.95 inference('demod', [status(thm)], [zip_derived_cl3826, zip_derived_cl8])).
% 9.81/1.95 thf(zip_derived_cl1035, plain,
% 9.81/1.95 (![X0 : $i, X1 : $i]:
% 9.81/1.95 (~ (little_set @ X0) | (member @ X0 @ (non_ordered_pair @ X0 @ X1)))),
% 9.81/1.95 inference('eq_res', [status(thm)], [zip_derived_cl5])).
% 9.81/1.95 thf(zip_derived_cl3856, plain,
% 9.81/1.95 ((((non_ordered_pair @ b @ b) = (non_ordered_pair @ a @ a))
% 9.81/1.95 | ((non_ordered_pair @ b @ b) = (non_ordered_pair @ a @ c)))),
% 9.81/1.95 inference('demod', [status(thm)], [zip_derived_cl3826, zip_derived_cl8])).
% 9.81/1.95 thf(zip_derived_cl1035, plain,
% 9.81/1.95 (![X0 : $i, X1 : $i]:
% 9.81/1.95 (~ (little_set @ X0) | (member @ X0 @ (non_ordered_pair @ X0 @ X1)))),
% 9.81/1.95 inference('eq_res', [status(thm)], [zip_derived_cl5])).
% 9.81/1.95 thf(zip_derived_cl3941, plain,
% 9.81/1.95 ((((non_ordered_pair @ b @ b) = (non_ordered_pair @ a @ a))
% 9.81/1.95 | ~ (little_set @ b)
% 9.81/1.95 | (member @ b @ (non_ordered_pair @ a @ c)))),
% 9.81/1.95 inference('s_sup+', [status(thm)],
% 9.81/1.95 [zip_derived_cl3856, zip_derived_cl1035])).
% 9.81/1.95 thf(little_set_b, axiom, (little_set @ b)).
% 9.81/1.95 thf(zip_derived_cl142, plain, ( (little_set @ b)),
% 9.81/1.95 inference('cnf', [status(esa)], [little_set_b])).
% 9.81/1.95 thf(zip_derived_cl3952, plain,
% 9.81/1.95 ((((non_ordered_pair @ b @ b) = (non_ordered_pair @ a @ a))
% 9.81/1.95 | (member @ b @ (non_ordered_pair @ a @ c)))),
% 9.81/1.95 inference('demod', [status(thm)], [zip_derived_cl3941, zip_derived_cl142])).
% 9.81/1.95 thf(zip_derived_cl4, plain,
% 9.81/1.95 (![X0 : $i, X1 : $i, X2 : $i]:
% 9.81/1.95 (~ (member @ X0 @ (non_ordered_pair @ X1 @ X2))
% 9.81/1.95 | ((X0) = (X1))
% 9.81/1.95 | ((X0) = (X2)))),
% 9.81/1.95 inference('cnf', [status(esa)], [non_ordered_pair1])).
% 9.81/1.95 thf(zip_derived_cl4820, plain,
% 9.81/1.95 ((((non_ordered_pair @ b @ b) = (non_ordered_pair @ a @ a))
% 9.81/1.95 | ((b) = (a))
% 9.81/1.95 | ((b) = (c)))),
% 9.81/1.95 inference('s_sup-', [status(thm)], [zip_derived_cl3952, zip_derived_cl4])).
% 9.81/1.95 thf(prove_first_components_equal, conjecture, (( a ) = ( b ))).
% 9.81/1.95 thf(zf_stmt_0, negated_conjecture, (( a ) != ( b )),
% 9.81/1.95 inference('cnf.neg', [status(esa)], [prove_first_components_equal])).
% 9.81/1.95 thf(zip_derived_cl144, plain, (((a) != (b))),
% 9.81/1.95 inference('cnf', [status(esa)], [zf_stmt_0])).
% 9.81/1.95 thf(zip_derived_cl4822, plain,
% 9.81/1.95 ((((non_ordered_pair @ b @ b) = (non_ordered_pair @ a @ a)) | ((b) = (c)))),
% 9.81/1.95 inference('simplify_reflect-', [status(thm)],
% 9.81/1.95 [zip_derived_cl4820, zip_derived_cl144])).
% 9.81/1.95 thf(zip_derived_cl8, plain,
% 9.81/1.95 (![X0 : $i]: ((singleton_set @ X0) = (non_ordered_pair @ X0 @ X0))),
% 9.81/1.95 inference('cnf', [status(esa)], [singleton_set])).
% 9.81/1.95 thf(zip_derived_cl8, plain,
% 9.81/1.95 (![X0 : $i]: ((singleton_set @ X0) = (non_ordered_pair @ X0 @ X0))),
% 9.81/1.95 inference('cnf', [status(esa)], [singleton_set])).
% 9.81/1.95 thf(zip_derived_cl4, plain,
% 9.81/1.95 (![X0 : $i, X1 : $i, X2 : $i]:
% 9.81/1.95 (~ (member @ X0 @ (non_ordered_pair @ X1 @ X2))
% 9.81/1.95 | ((X0) = (X1))
% 9.81/1.95 | ((X0) = (X2)))),
% 9.81/1.95 inference('cnf', [status(esa)], [non_ordered_pair1])).
% 9.81/1.95 thf(zip_derived_cl1019, plain,
% 9.81/1.95 (![X0 : $i, X1 : $i]:
% 9.81/1.95 (~ (member @ X1 @ (singleton_set @ X0))
% 9.81/1.95 | ((X1) = (X0))
% 9.81/1.95 | ((X1) = (X0)))),
% 9.81/1.95 inference('s_sup-', [status(thm)], [zip_derived_cl8, zip_derived_cl4])).
% 9.81/1.95 thf(zip_derived_cl1020, plain,
% 9.81/1.95 (![X0 : $i, X1 : $i]:
% 9.81/1.95 (((X1) = (X0)) | ~ (member @ X1 @ (singleton_set @ X0)))),
% 9.81/1.95 inference('simplify', [status(thm)], [zip_derived_cl1019])).
% 9.81/1.95 thf(zip_derived_cl1023, plain,
% 9.81/1.95 (![X0 : $i, X1 : $i]:
% 9.81/1.95 (((X1) = (X0)) | ~ (member @ X1 @ (non_ordered_pair @ X0 @ X0)))),
% 9.81/1.95 inference('s_sup-', [status(thm)], [zip_derived_cl8, zip_derived_cl1020])).
% 9.81/1.95 thf(zip_derived_cl4828, plain,
% 9.81/1.95 (![X0 : $i]:
% 9.81/1.95 (((b) = (c))
% 9.81/1.95 | ((X0) = (b))
% 9.81/1.95 | ~ (member @ X0 @ (non_ordered_pair @ a @ a)))),
% 9.81/1.95 inference('s_sup-', [status(thm)],
% 9.81/1.95 [zip_derived_cl4822, zip_derived_cl1023])).
% 9.81/1.95 thf(zip_derived_cl4890, plain,
% 9.81/1.95 ((~ (little_set @ a) | ((b) = (c)) | ((a) = (b)))),
% 9.81/1.95 inference('s_sup-', [status(thm)],
% 9.81/1.95 [zip_derived_cl1035, zip_derived_cl4828])).
% 9.81/1.95 thf(little_set_a, axiom, (little_set @ a)).
% 9.81/1.95 thf(zip_derived_cl141, plain, ( (little_set @ a)),
% 9.81/1.95 inference('cnf', [status(esa)], [little_set_a])).
% 9.81/1.95 thf(zip_derived_cl4929, plain, ((((b) = (c)) | ((a) = (b)))),
% 9.81/1.95 inference('demod', [status(thm)], [zip_derived_cl4890, zip_derived_cl141])).
% 9.81/1.95 thf(zip_derived_cl144, plain, (((a) != (b))),
% 9.81/1.95 inference('cnf', [status(esa)], [zf_stmt_0])).
% 9.81/1.95 thf(zip_derived_cl4930, plain, (((b) = (c))),
% 9.81/1.95 inference('simplify_reflect-', [status(thm)],
% 9.81/1.95 [zip_derived_cl4929, zip_derived_cl144])).
% 9.81/1.95 thf(zip_derived_cl4940, plain,
% 9.81/1.95 ((((non_ordered_pair @ b @ b) = (non_ordered_pair @ a @ a))
% 9.81/1.95 | ((non_ordered_pair @ b @ b) = (non_ordered_pair @ a @ b)))),
% 9.81/1.95 inference('demod', [status(thm)],
% 9.81/1.95 [zip_derived_cl3856, zip_derived_cl4930])).
% 9.81/1.95 thf(zip_derived_cl1023, plain,
% 9.81/1.95 (![X0 : $i, X1 : $i]:
% 9.81/1.95 (((X1) = (X0)) | ~ (member @ X1 @ (non_ordered_pair @ X0 @ X0)))),
% 9.81/1.95 inference('s_sup-', [status(thm)], [zip_derived_cl8, zip_derived_cl1020])).
% 9.81/1.95 thf(zip_derived_cl4979, plain,
% 9.81/1.95 (![X0 : $i]:
% 9.81/1.95 (((non_ordered_pair @ b @ b) = (non_ordered_pair @ a @ a))
% 9.81/1.95 | ((X0) = (b))
% 9.81/1.95 | ~ (member @ X0 @ (non_ordered_pair @ a @ b)))),
% 9.81/1.95 inference('s_sup-', [status(thm)],
% 9.81/1.95 [zip_derived_cl4940, zip_derived_cl1023])).
% 9.81/1.95 thf(zip_derived_cl5078, plain,
% 9.81/1.95 ((~ (little_set @ a)
% 9.81/1.95 | ((non_ordered_pair @ b @ b) = (non_ordered_pair @ a @ a))
% 9.81/1.95 | ((a) = (b)))),
% 9.81/1.95 inference('s_sup-', [status(thm)],
% 9.81/1.95 [zip_derived_cl1035, zip_derived_cl4979])).
% 9.81/1.95 thf(zip_derived_cl141, plain, ( (little_set @ a)),
% 9.81/1.95 inference('cnf', [status(esa)], [little_set_a])).
% 9.81/1.95 thf(zip_derived_cl5117, plain,
% 9.81/1.95 ((((non_ordered_pair @ b @ b) = (non_ordered_pair @ a @ a)) | ((a) = (b)))),
% 9.81/1.95 inference('demod', [status(thm)], [zip_derived_cl5078, zip_derived_cl141])).
% 9.81/1.95 thf(zip_derived_cl144, plain, (((a) != (b))),
% 9.81/1.95 inference('cnf', [status(esa)], [zf_stmt_0])).
% 9.81/1.95 thf(zip_derived_cl5118, plain,
% 9.81/1.95 (((non_ordered_pair @ b @ b) = (non_ordered_pair @ a @ a))),
% 9.81/1.95 inference('simplify_reflect-', [status(thm)],
% 9.81/1.95 [zip_derived_cl5117, zip_derived_cl144])).
% 9.81/1.95 thf(zip_derived_cl1023, plain,
% 9.81/1.95 (![X0 : $i, X1 : $i]:
% 9.81/1.95 (((X1) = (X0)) | ~ (member @ X1 @ (non_ordered_pair @ X0 @ X0)))),
% 9.81/1.95 inference('s_sup-', [status(thm)], [zip_derived_cl8, zip_derived_cl1020])).
% 9.81/1.95 thf(zip_derived_cl5129, plain,
% 9.81/1.95 (![X0 : $i]:
% 9.81/1.95 (((X0) = (b)) | ~ (member @ X0 @ (non_ordered_pair @ a @ a)))),
% 9.81/1.95 inference('s_sup-', [status(thm)],
% 9.81/1.95 [zip_derived_cl5118, zip_derived_cl1023])).
% 9.81/1.95 thf(zip_derived_cl5204, plain, ((~ (little_set @ a) | ((a) = (b)))),
% 9.81/1.95 inference('s_sup-', [status(thm)],
% 9.81/1.95 [zip_derived_cl1035, zip_derived_cl5129])).
% 9.81/1.95 thf(zip_derived_cl141, plain, ( (little_set @ a)),
% 9.81/1.95 inference('cnf', [status(esa)], [little_set_a])).
% 9.81/1.95 thf(zip_derived_cl5243, plain, (((a) = (b))),
% 9.81/1.95 inference('demod', [status(thm)], [zip_derived_cl5204, zip_derived_cl141])).
% 9.81/1.95 thf(zip_derived_cl144, plain, (((a) != (b))),
% 9.81/1.95 inference('cnf', [status(esa)], [zf_stmt_0])).
% 9.81/1.95 thf(zip_derived_cl5244, plain, ($false),
% 9.81/1.95 inference('simplify_reflect-', [status(thm)],
% 9.81/1.95 [zip_derived_cl5243, zip_derived_cl144])).
% 9.81/1.95
% 9.81/1.95 % SZS output end Refutation
% 9.81/1.95
% 9.81/1.95
% 9.81/1.95 % Terminating...
% 10.35/2.08 % Runner terminated.
% 10.37/2.09 % Zipperpin 1.5 exiting
%------------------------------------------------------------------------------