%------------------------------------------------------------------------------
% File : Zipperpin---2.1.9999
% Problem : TOP001-2 : 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.7vqp9pWdKu true
% Computer : n031.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 05:08:40 PM UTC 2025
% Result : Unsatisfiable 0.52s 0.78s
% Output : Refutation 0.52s
% Verified :
% SZS Type : -
% Comments :
%------------------------------------------------------------------------------
%----WARNING: Could not form TPTP format derivation
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.11 % Problem : TOP001-2 : TPTP v9.2.0. Released v1.0.0.
% 0.11/0.12 % Command : python3 /export/starexec/sandbox2/solver/bin/portfolio.lams.parallel.py %s %d /export/starexec/sandbox2/tmp/tmp.7vqp9pWdKu true
% 0.12/0.32 % Computer : n031.cluster.edu
% 0.12/0.32 % Model : x86_64 x86_64
% 0.12/0.32 % CPU : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.12/0.32 % Memory : 8042.1875MB
% 0.12/0.32 % OS : Linux 3.10.0-693.el7.x86_64
% 0.12/0.33 % CPULimit : 300
% 0.12/0.33 % WCLimit : 300
% 0.12/0.33 % DateTime : Wed Oct 1 15:42:53 EDT 2025
% 0.12/0.33 % CPUTime :
% 0.12/0.33 % Running portfolio for 300 s
% 0.12/0.33 % File : /export/starexec/sandbox2/benchmark/theBenchmark.p
% 0.12/0.33 % Number of cores: 8
% 0.12/0.33 % Python version: Python 3.6.8
% 0.17/0.33 % Running in FO mode
% 0.51/0.59 % Total configuration time : 435
% 0.51/0.59 % Estimated wc time : 1092
% 0.51/0.59 % Estimated cpu time (7 cpus) : 156.0
% 0.51/0.71 % /export/starexec/sandbox2/solver/bin/fo/fo3_bce.sh running for 75s
% 0.51/0.71 % /export/starexec/sandbox2/solver/bin/fo/fo6_bce.sh running for 75s
% 0.51/0.71 % /export/starexec/sandbox2/solver/bin/fo/fo1_av.sh running for 75s
% 0.51/0.72 % /export/starexec/sandbox2/solver/bin/fo/fo7.sh running for 63s
% 0.51/0.72 % /export/starexec/sandbox2/solver/bin/fo/fo13.sh running for 50s
% 0.51/0.73 % /export/starexec/sandbox2/solver/bin/fo/fo4.sh running for 50s
% 0.51/0.73 % /export/starexec/sandbox2/solver/bin/fo/fo5.sh running for 50s
% 0.52/0.78 % Solved by fo/fo7.sh.
% 0.52/0.78 % done 42 iterations in 0.041s
% 0.52/0.78 % SZS status Theorem for '/export/starexec/sandbox2/benchmark/theBenchmark.p'
% 0.52/0.78 % SZS output start Refutation
% 0.52/0.78 thf(f10_type, type, f10: $i > $i > $i > $i).
% 0.52/0.78 thf(basis_type, type, basis: $i > $i > $o).
% 0.52/0.78 thf(union_of_members_type, type, union_of_members: $i > $i).
% 0.52/0.78 thf(subset_sets_type, type, subset_sets: $i > $i > $o).
% 0.52/0.78 thf(top_of_basis_type, type, top_of_basis: $i > $i).
% 0.52/0.78 thf(element_of_set_type, type, element_of_set: $i > $i > $o).
% 0.52/0.78 thf(element_of_collection_type, type, element_of_collection: $i > $i > $o).
% 0.52/0.78 thf(equal_sets_type, type, equal_sets: $i > $i > $o).
% 0.52/0.78 thf(cx_type, type, cx: $i).
% 0.52/0.78 thf(in_1st_set_type, type, in_1st_set: $i > $i > $i).
% 0.52/0.78 thf(f_type, type, f: $i).
% 0.52/0.78 thf(f1_type, type, f1: $i > $i > $i).
% 0.52/0.78 thf(set_theory_5, axiom,
% 0.52/0.78 (( subset_sets @ X @ Y ) |
% 0.52/0.78 ( ~( element_of_set @ ( in_1st_set @ X @ Y ) @ Y ) ))).
% 0.52/0.78 thf(zip_derived_cl10, plain,
% 0.52/0.78 (![X0 : $i, X1 : $i]:
% 0.52/0.78 ( (subset_sets @ X0 @ X1)
% 0.52/0.78 | ~ (element_of_set @ (in_1st_set @ X0 @ X1) @ X1))),
% 0.52/0.78 inference('cnf', [status(esa)], [set_theory_5])).
% 0.52/0.78 thf(lemma_1a_2, conjecture,
% 0.52/0.78 (subset_sets @ ( union_of_members @ ( top_of_basis @ f ) ) @ cx)).
% 0.52/0.78 thf(zf_stmt_0, negated_conjecture,
% 0.52/0.78 (~( subset_sets @ ( union_of_members @ ( top_of_basis @ f ) ) @ cx )),
% 0.52/0.78 inference('cnf.neg', [status(esa)], [lemma_1a_2])).
% 0.52/0.78 thf(zip_derived_cl12, plain,
% 0.52/0.78 (~ (subset_sets @ (union_of_members @ (top_of_basis @ f)) @ cx)),
% 0.52/0.78 inference('cnf', [status(esa)], [zf_stmt_0])).
% 0.52/0.78 thf(zip_derived_cl20, plain,
% 0.52/0.78 (~ (element_of_set @
% 0.52/0.78 (in_1st_set @ (union_of_members @ (top_of_basis @ f)) @ cx) @ cx)),
% 0.52/0.78 inference('sup-', [status(thm)], [zip_derived_cl10, zip_derived_cl12])).
% 0.52/0.78 thf(set_theory_4, axiom,
% 0.52/0.78 (( subset_sets @ X @ Y ) | ( element_of_set @ ( in_1st_set @ X @ Y ) @ X ))).
% 0.52/0.78 thf(zip_derived_cl9, plain,
% 0.52/0.78 (![X0 : $i, X1 : $i]:
% 0.52/0.78 ( (subset_sets @ X0 @ X1)
% 0.52/0.78 | (element_of_set @ (in_1st_set @ X0 @ X1) @ X0))),
% 0.52/0.78 inference('cnf', [status(esa)], [set_theory_4])).
% 0.52/0.78 thf(zip_derived_cl12, plain,
% 0.52/0.78 (~ (subset_sets @ (union_of_members @ (top_of_basis @ f)) @ cx)),
% 0.52/0.78 inference('cnf', [status(esa)], [zf_stmt_0])).
% 0.52/0.78 thf(zip_derived_cl13, plain,
% 0.52/0.78 ( (element_of_set @
% 0.52/0.78 (in_1st_set @ (union_of_members @ (top_of_basis @ f)) @ cx) @
% 0.52/0.78 (union_of_members @ (top_of_basis @ f)))),
% 0.52/0.78 inference('sup-', [status(thm)], [zip_derived_cl9, zip_derived_cl12])).
% 0.52/0.78 thf(union_of_members_2, axiom,
% 0.52/0.78 (( ~( element_of_set @ U @ ( union_of_members @ Vf ) ) ) |
% 0.52/0.78 ( element_of_collection @ ( f1 @ Vf @ U ) @ Vf ))).
% 0.52/0.78 thf(zip_derived_cl1, plain,
% 0.52/0.78 (![X0 : $i, X1 : $i]:
% 0.52/0.78 (~ (element_of_set @ X0 @ (union_of_members @ X1))
% 0.52/0.78 | (element_of_collection @ (f1 @ X1 @ X0) @ X1))),
% 0.52/0.78 inference('cnf', [status(esa)], [union_of_members_2])).
% 0.52/0.78 thf(zip_derived_cl25, plain,
% 0.52/0.78 ( (element_of_collection @
% 0.52/0.78 (f1 @ (top_of_basis @ f) @
% 0.52/0.78 (in_1st_set @ (union_of_members @ (top_of_basis @ f)) @ cx)) @
% 0.52/0.78 (top_of_basis @ f))),
% 0.52/0.78 inference('sup-', [status(thm)], [zip_derived_cl13, zip_derived_cl1])).
% 0.52/0.78 thf(topology_generated_37, axiom,
% 0.52/0.78 (( ~( element_of_collection @ U @ ( top_of_basis @ Vf ) ) ) |
% 0.52/0.78 ( ~( element_of_set @ X @ U ) ) |
% 0.52/0.78 ( element_of_set @ X @ ( f10 @ Vf @ U @ X ) ))).
% 0.52/0.78 thf(zip_derived_cl4, plain,
% 0.52/0.78 (![X0 : $i, X1 : $i, X2 : $i]:
% 0.52/0.78 (~ (element_of_collection @ X0 @ (top_of_basis @ X1))
% 0.52/0.78 | ~ (element_of_set @ X2 @ X0)
% 0.52/0.78 | (element_of_set @ X2 @ (f10 @ X1 @ X0 @ X2)))),
% 0.52/0.78 inference('cnf', [status(esa)], [topology_generated_37])).
% 0.52/0.78 thf(zip_derived_cl27, plain,
% 0.52/0.78 (![X0 : $i]:
% 0.52/0.78 ( (element_of_set @ X0 @
% 0.52/0.78 (f10 @ f @
% 0.52/0.78 (f1 @ (top_of_basis @ f) @
% 0.52/0.78 (in_1st_set @ (union_of_members @ (top_of_basis @ f)) @ cx)) @
% 0.52/0.78 X0))
% 0.52/0.78 | ~ (element_of_set @ X0 @
% 0.52/0.78 (f1 @ (top_of_basis @ f) @
% 0.52/0.78 (in_1st_set @ (union_of_members @ (top_of_basis @ f)) @ cx))))),
% 0.52/0.78 inference('sup-', [status(thm)], [zip_derived_cl25, zip_derived_cl4])).
% 0.52/0.78 thf(zip_derived_cl13, plain,
% 0.52/0.78 ( (element_of_set @
% 0.52/0.78 (in_1st_set @ (union_of_members @ (top_of_basis @ f)) @ cx) @
% 0.52/0.78 (union_of_members @ (top_of_basis @ f)))),
% 0.52/0.78 inference('sup-', [status(thm)], [zip_derived_cl9, zip_derived_cl12])).
% 0.52/0.78 thf(union_of_members_1, axiom,
% 0.52/0.78 (( ~( element_of_set @ U @ ( union_of_members @ Vf ) ) ) |
% 0.52/0.78 ( element_of_set @ U @ ( f1 @ Vf @ U ) ))).
% 0.52/0.78 thf(zip_derived_cl0, plain,
% 0.52/0.78 (![X0 : $i, X1 : $i]:
% 0.52/0.78 (~ (element_of_set @ X0 @ (union_of_members @ X1))
% 0.52/0.78 | (element_of_set @ X0 @ (f1 @ X1 @ X0)))),
% 0.52/0.78 inference('cnf', [status(esa)], [union_of_members_1])).
% 0.52/0.78 thf(zip_derived_cl24, plain,
% 0.52/0.78 ( (element_of_set @
% 0.52/0.78 (in_1st_set @ (union_of_members @ (top_of_basis @ f)) @ cx) @
% 0.52/0.78 (f1 @ (top_of_basis @ f) @
% 0.52/0.78 (in_1st_set @ (union_of_members @ (top_of_basis @ f)) @ cx)))),
% 0.52/0.78 inference('sup-', [status(thm)], [zip_derived_cl13, zip_derived_cl0])).
% 0.52/0.78 thf(zip_derived_cl13, plain,
% 0.52/0.78 ( (element_of_set @
% 0.52/0.78 (in_1st_set @ (union_of_members @ (top_of_basis @ f)) @ cx) @
% 0.52/0.78 (union_of_members @ (top_of_basis @ f)))),
% 0.52/0.78 inference('sup-', [status(thm)], [zip_derived_cl9, zip_derived_cl12])).
% 0.52/0.78 thf(zip_derived_cl9, plain,
% 0.52/0.78 (![X0 : $i, X1 : $i]:
% 0.52/0.78 ( (subset_sets @ X0 @ X1)
% 0.52/0.78 | (element_of_set @ (in_1st_set @ X0 @ X1) @ X0))),
% 0.52/0.78 inference('cnf', [status(esa)], [set_theory_4])).
% 0.52/0.78 thf(set_theory_2, axiom,
% 0.52/0.78 (( ~( subset_sets @ X @ Y ) ) | ( ~( element_of_set @ U @ X ) ) |
% 0.52/0.78 ( element_of_set @ U @ Y ))).
% 0.52/0.78 thf(zip_derived_cl7, plain,
% 0.52/0.78 (![X0 : $i, X1 : $i, X2 : $i]:
% 0.52/0.78 (~ (subset_sets @ X0 @ X1)
% 0.52/0.78 | ~ (element_of_set @ X2 @ X0)
% 0.52/0.78 | (element_of_set @ X2 @ X1))),
% 0.52/0.78 inference('cnf', [status(esa)], [set_theory_2])).
% 0.52/0.78 thf(zip_derived_cl17, plain,
% 0.52/0.78 (![X0 : $i, X1 : $i, X2 : $i]:
% 0.52/0.78 ( (element_of_set @ (in_1st_set @ X1 @ X0) @ X1)
% 0.52/0.78 | (element_of_set @ X2 @ X0)
% 0.52/0.78 | ~ (element_of_set @ X2 @ X1))),
% 0.52/0.78 inference('sup-', [status(thm)], [zip_derived_cl9, zip_derived_cl7])).
% 0.52/0.78 thf(zip_derived_cl30, plain,
% 0.52/0.78 (![X0 : $i]:
% 0.52/0.78 ( (element_of_set @
% 0.52/0.78 (in_1st_set @ (union_of_members @ (top_of_basis @ f)) @ cx) @ X0)
% 0.52/0.78 | (element_of_set @
% 0.52/0.78 (in_1st_set @ (union_of_members @ (top_of_basis @ f)) @ X0) @
% 0.52/0.78 (union_of_members @ (top_of_basis @ f))))),
% 0.52/0.78 inference('sup-', [status(thm)], [zip_derived_cl13, zip_derived_cl17])).
% 0.52/0.78 thf(zip_derived_cl1, plain,
% 0.52/0.78 (![X0 : $i, X1 : $i]:
% 0.52/0.78 (~ (element_of_set @ X0 @ (union_of_members @ X1))
% 0.52/0.78 | (element_of_collection @ (f1 @ X1 @ X0) @ X1))),
% 0.52/0.78 inference('cnf', [status(esa)], [union_of_members_2])).
% 0.52/0.78 thf(zip_derived_cl39, plain,
% 0.52/0.78 (![X0 : $i]:
% 0.52/0.78 ( (element_of_set @
% 0.52/0.78 (in_1st_set @ (union_of_members @ (top_of_basis @ f)) @ cx) @ X0)
% 0.52/0.78 | (element_of_collection @
% 0.52/0.78 (f1 @ (top_of_basis @ f) @
% 0.52/0.78 (in_1st_set @ (union_of_members @ (top_of_basis @ f)) @ X0)) @
% 0.52/0.78 (top_of_basis @ f)))),
% 0.52/0.78 inference('sup-', [status(thm)], [zip_derived_cl30, zip_derived_cl1])).
% 0.52/0.78 thf(topology_generated_38, axiom,
% 0.52/0.78 (( ~( element_of_collection @ U @ ( top_of_basis @ Vf ) ) ) |
% 0.52/0.78 ( ~( element_of_set @ X @ U ) ) |
% 0.52/0.78 ( element_of_collection @ ( f10 @ Vf @ U @ X ) @ Vf ))).
% 0.52/0.78 thf(zip_derived_cl5, plain,
% 0.52/0.78 (![X0 : $i, X1 : $i, X2 : $i]:
% 0.52/0.78 (~ (element_of_collection @ X0 @ (top_of_basis @ X1))
% 0.52/0.78 | ~ (element_of_set @ X2 @ X0)
% 0.52/0.78 | (element_of_collection @ (f10 @ X1 @ X0 @ X2) @ X1))),
% 0.52/0.78 inference('cnf', [status(esa)], [topology_generated_38])).
% 0.52/0.78 thf(zip_derived_cl46, plain,
% 0.52/0.78 (![X0 : $i, X1 : $i]:
% 0.52/0.78 ( (element_of_set @
% 0.52/0.78 (in_1st_set @ (union_of_members @ (top_of_basis @ f)) @ cx) @ X0)
% 0.52/0.78 | (element_of_collection @
% 0.52/0.78 (f10 @ f @
% 0.52/0.78 (f1 @ (top_of_basis @ f) @
% 0.52/0.78 (in_1st_set @ (union_of_members @ (top_of_basis @ f)) @ X0)) @
% 0.52/0.78 X1) @
% 0.52/0.78 f)
% 0.52/0.78 | ~ (element_of_set @ X1 @
% 0.52/0.78 (f1 @ (top_of_basis @ f) @
% 0.52/0.78 (in_1st_set @ (union_of_members @ (top_of_basis @ f)) @ X0))))),
% 0.52/0.78 inference('sup-', [status(thm)], [zip_derived_cl39, zip_derived_cl5])).
% 0.52/0.78 thf(zip_derived_cl73, plain,
% 0.52/0.78 (( (element_of_collection @
% 0.52/0.78 (f10 @ f @
% 0.52/0.78 (f1 @ (top_of_basis @ f) @
% 0.52/0.78 (in_1st_set @ (union_of_members @ (top_of_basis @ f)) @ cx)) @
% 0.52/0.78 (in_1st_set @ (union_of_members @ (top_of_basis @ f)) @ cx)) @
% 0.52/0.78 f)
% 0.52/0.78 | (element_of_set @
% 0.52/0.78 (in_1st_set @ (union_of_members @ (top_of_basis @ f)) @ cx) @ cx))),
% 0.52/0.78 inference('sup-', [status(thm)], [zip_derived_cl24, zip_derived_cl46])).
% 0.52/0.78 thf(zip_derived_cl20, plain,
% 0.52/0.78 (~ (element_of_set @
% 0.52/0.78 (in_1st_set @ (union_of_members @ (top_of_basis @ f)) @ cx) @ cx)),
% 0.52/0.78 inference('sup-', [status(thm)], [zip_derived_cl10, zip_derived_cl12])).
% 0.52/0.78 thf(zip_derived_cl75, plain,
% 0.52/0.78 ( (element_of_collection @
% 0.52/0.78 (f10 @ f @
% 0.52/0.78 (f1 @ (top_of_basis @ f) @
% 0.52/0.78 (in_1st_set @ (union_of_members @ (top_of_basis @ f)) @ cx)) @
% 0.52/0.78 (in_1st_set @ (union_of_members @ (top_of_basis @ f)) @ cx)) @
% 0.52/0.78 f)),
% 0.52/0.78 inference('demod', [status(thm)], [zip_derived_cl73, zip_derived_cl20])).
% 0.52/0.78 thf(union_of_members_3, axiom,
% 0.52/0.78 (( element_of_set @ U @ ( union_of_members @ Vf ) ) |
% 0.52/0.78 ( ~( element_of_set @ U @ Uu1 ) ) |
% 0.52/0.78 ( ~( element_of_collection @ Uu1 @ Vf ) ))).
% 0.52/0.78 thf(zip_derived_cl2, plain,
% 0.52/0.78 (![X0 : $i, X1 : $i, X2 : $i]:
% 0.52/0.78 ( (element_of_set @ X0 @ (union_of_members @ X1))
% 0.52/0.78 | ~ (element_of_set @ X0 @ X2)
% 0.52/0.78 | ~ (element_of_collection @ X2 @ X1))),
% 0.52/0.78 inference('cnf', [status(esa)], [union_of_members_3])).
% 0.52/0.78 thf(zip_derived_cl84, plain,
% 0.52/0.78 (![X0 : $i]:
% 0.52/0.78 (~ (element_of_set @ X0 @
% 0.52/0.78 (f10 @ f @
% 0.52/0.78 (f1 @ (top_of_basis @ f) @
% 0.52/0.78 (in_1st_set @ (union_of_members @ (top_of_basis @ f)) @ cx)) @
% 0.52/0.78 (in_1st_set @ (union_of_members @ (top_of_basis @ f)) @ cx)))
% 0.52/0.78 | (element_of_set @ X0 @ (union_of_members @ f)))),
% 0.52/0.78 inference('sup-', [status(thm)], [zip_derived_cl75, zip_derived_cl2])).
% 0.52/0.78 thf(zip_derived_cl85, plain,
% 0.52/0.78 ((~ (element_of_set @
% 0.52/0.78 (in_1st_set @ (union_of_members @ (top_of_basis @ f)) @ cx) @
% 0.52/0.78 (f1 @ (top_of_basis @ f) @
% 0.52/0.78 (in_1st_set @ (union_of_members @ (top_of_basis @ f)) @ cx)))
% 0.52/0.78 | (element_of_set @
% 0.52/0.78 (in_1st_set @ (union_of_members @ (top_of_basis @ f)) @ cx) @
% 0.52/0.78 (union_of_members @ f)))),
% 0.52/0.78 inference('sup-', [status(thm)], [zip_derived_cl27, zip_derived_cl84])).
% 0.52/0.78 thf(zip_derived_cl24, plain,
% 0.52/0.78 ( (element_of_set @
% 0.52/0.78 (in_1st_set @ (union_of_members @ (top_of_basis @ f)) @ cx) @
% 0.52/0.78 (f1 @ (top_of_basis @ f) @
% 0.52/0.78 (in_1st_set @ (union_of_members @ (top_of_basis @ f)) @ cx)))),
% 0.52/0.78 inference('sup-', [status(thm)], [zip_derived_cl13, zip_derived_cl0])).
% 0.52/0.78 thf(zip_derived_cl86, plain,
% 0.52/0.78 ( (element_of_set @
% 0.52/0.78 (in_1st_set @ (union_of_members @ (top_of_basis @ f)) @ cx) @
% 0.52/0.78 (union_of_members @ f))),
% 0.52/0.78 inference('demod', [status(thm)], [zip_derived_cl85, zip_derived_cl24])).
% 0.52/0.78 thf(lemma_1a_1, conjecture, (~( basis @ cx @ f ))).
% 0.52/0.78 thf(zf_stmt_1, negated_conjecture, (basis @ cx @ f),
% 0.52/0.78 inference('cnf.neg', [status(esa)], [lemma_1a_1])).
% 0.52/0.78 thf(zip_derived_cl11, plain, ( (basis @ cx @ f)),
% 0.52/0.78 inference('cnf', [status(esa)], [zf_stmt_1])).
% 0.52/0.78 thf(basis_for_topology_28, axiom,
% 0.52/0.78 (( ~( basis @ X @ Vf ) ) | ( equal_sets @ ( union_of_members @ Vf ) @ X ))).
% 0.52/0.78 thf(zip_derived_cl3, plain,
% 0.52/0.78 (![X0 : $i, X1 : $i]:
% 0.52/0.78 (~ (basis @ X0 @ X1) | (equal_sets @ (union_of_members @ X1) @ X0))),
% 0.52/0.78 inference('cnf', [status(esa)], [basis_for_topology_28])).
% 0.52/0.78 thf(zip_derived_cl18, plain, ( (equal_sets @ (union_of_members @ f) @ cx)),
% 0.52/0.78 inference('sup-', [status(thm)], [zip_derived_cl11, zip_derived_cl3])).
% 0.52/0.78 thf(set_theory_3, axiom,
% 0.52/0.78 (( ~( equal_sets @ X @ Y ) ) | ( subset_sets @ X @ Y ))).
% 0.52/0.78 thf(zip_derived_cl8, plain,
% 0.52/0.78 (![X0 : $i, X1 : $i]:
% 0.52/0.78 (~ (equal_sets @ X0 @ X1) | (subset_sets @ X0 @ X1))),
% 0.52/0.78 inference('cnf', [status(esa)], [set_theory_3])).
% 0.52/0.78 thf(zip_derived_cl7, plain,
% 0.52/0.78 (![X0 : $i, X1 : $i, X2 : $i]:
% 0.52/0.78 (~ (subset_sets @ X0 @ X1)
% 0.52/0.78 | ~ (element_of_set @ X2 @ X0)
% 0.52/0.78 | (element_of_set @ X2 @ X1))),
% 0.52/0.78 inference('cnf', [status(esa)], [set_theory_2])).
% 0.52/0.78 thf(zip_derived_cl16, plain,
% 0.52/0.78 (![X0 : $i, X1 : $i, X2 : $i]:
% 0.52/0.78 (~ (equal_sets @ X1 @ X0)
% 0.52/0.78 | (element_of_set @ X2 @ X0)
% 0.52/0.78 | ~ (element_of_set @ X2 @ X1))),
% 0.52/0.78 inference('sup-', [status(thm)], [zip_derived_cl8, zip_derived_cl7])).
% 0.52/0.78 thf(zip_derived_cl23, plain,
% 0.52/0.78 (![X0 : $i]:
% 0.52/0.78 (~ (element_of_set @ X0 @ (union_of_members @ f))
% 0.52/0.78 | (element_of_set @ X0 @ cx))),
% 0.52/0.78 inference('sup-', [status(thm)], [zip_derived_cl18, zip_derived_cl16])).
% 0.52/0.78 thf(zip_derived_cl90, plain,
% 0.52/0.78 ( (element_of_set @
% 0.52/0.78 (in_1st_set @ (union_of_members @ (top_of_basis @ f)) @ cx) @ cx)),
% 0.52/0.78 inference('sup-', [status(thm)], [zip_derived_cl86, zip_derived_cl23])).
% 0.52/0.78 thf(zip_derived_cl91, plain, ($false),
% 0.52/0.78 inference('demod', [status(thm)], [zip_derived_cl20, zip_derived_cl90])).
% 0.52/0.78
% 0.52/0.78 % SZS output end Refutation
% 0.52/0.78
% 0.52/0.78
% 0.52/0.78 % Terminating...
% 0.52/0.82 % Runner terminated.
% 0.52/0.84 % Zipperpin 1.5 exiting
%------------------------------------------------------------------------------