%------------------------------------------------------------------------------
% File : Zipperpin---2.1.9999
% Problem : LCL396-1 : TPTP v9.3.1. Released v2.3.0.
% Transfm : none
% Format : tptp:raw
% Command : python3 /export/starexec/sandbox2/solver/bin/portfolio.lams.parallel.py %s %d /export/starexec/sandbox2/tmp/tmp.ONoJrMDpeB true
% Computer : n008.cluster.edu
% Model : x86_64 x86_64
% CPU : Intel(R) Xeon(R) CPU E5-2620 v4 2.10GHz
% Memory : 8046.5625MB
% OS : Linux 6.8.0-71-generic
% CPULimit : 300s
% WCLimit : 300s
% DateTime : Mon Sep 7 01:35:51 PM UTC 2026
% Result : Unsatisfiable 16.97s 3.14s
% Output : Refutation 16.97s
% Verified :
% SZS Type : -
% Comments :
%------------------------------------------------------------------------------
%----WARNING: Could not form TPTP format derivation
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.03 % Problem : LCL396-1 : TPTP v9.3.1. Released v2.3.0.
% 0.00/0.05 % Command : python3 /export/starexec/sandbox2/solver/bin/portfolio.lams.parallel.py %s %d /export/starexec/sandbox2/tmp/tmp.ONoJrMDpeB true
% 0.10/0.37 % Computer : n008.cluster.edu
% 0.10/0.37 % Model : x86_64 x86_64
% 0.10/0.37 % CPU : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.10/0.37 % Memory : 8046.5625MB
% 0.10/0.37 % OS : Linux 6.8.0-71-generic
% 0.10/0.37 % CPULimit : 300
% 0.10/0.37 % WCLimit : 300
% 0.10/0.37 % DateTime : Sat Sep 5 06:47:23 UTC 2026
% 0.10/0.37 % CPUTime :
% 0.10/0.37 % Running portfolio for 300 s
% 0.10/0.37 % File : /export/starexec/sandbox2/benchmark/theBenchmark.p
% 0.10/0.37 % Number of cores: 8
% 0.10/0.38 % Python version: Python 3.12.3
% 0.10/0.38 % Running in FO mode
% 0.46/0.68 % Total configuration time : 435
% 0.46/0.68 % Estimated wc time : 1092
% 0.46/0.68 % Estimated cpu time (7 cpus) : 156.0
% 0.49/0.75 % /export/starexec/sandbox2/solver/bin/fo/fo6_bce.sh running for 75s
% 0.50/0.81 % /export/starexec/sandbox2/solver/bin/fo/fo1_av.sh running for 75s
% 0.50/0.82 % /export/starexec/sandbox2/solver/bin/fo/fo7.sh running for 63s
% 0.50/0.82 % /export/starexec/sandbox2/solver/bin/fo/fo3_bce.sh running for 75s
% 0.50/0.82 % /export/starexec/sandbox2/solver/bin/fo/fo13.sh running for 50s
% 0.50/0.82 % /export/starexec/sandbox2/solver/bin/fo/fo5.sh running for 50s
% 0.50/0.82 % /export/starexec/sandbox2/solver/bin/fo/fo4.sh running for 50s
% 16.97/3.14 % Solved by fo/fo6_bce.sh.
% 16.97/3.14 % BCE start: 5
% 16.97/3.14 % BCE eliminated: 0
% 16.97/3.14 % PE start: 5
% 16.97/3.14 logic: neq
% 16.97/3.14 % PE eliminated: 0
% 16.97/3.14 % done 832 iterations in 2.372s
% 16.97/3.14 % SZS status Theorem for '/export/starexec/sandbox2/benchmark/theBenchmark.p'
% 16.97/3.14 % SZS output start Refutation
% 16.97/3.14 thf(y_type, type, y: $i).
% 16.97/3.14 thf(is_a_theorem_type, type, is_a_theorem: $i > $o).
% 16.97/3.14 thf(implies_type, type, implies: $i > $i > $i).
% 16.97/3.14 thf(not_type, type, not: $i > $i).
% 16.97/3.14 thf(x_type, type, x: $i).
% 16.97/3.14 thf(cn_1, axiom,
% 16.97/3.14 (is_a_theorem @
% 16.97/3.14 ( implies @
% 16.97/3.14 ( implies @ X @ Y ) @
% 16.97/3.14 ( implies @ ( implies @ Y @ Z ) @ ( implies @ X @ Z ) ) ))).
% 16.97/3.14 thf(zip_derived_cl1, plain,
% 16.97/3.14 (![X0 : $i, X1 : $i, X2 : $i]:
% 16.97/3.14 (is_a_theorem @
% 16.97/3.14 (implies @ (implies @ X0 @ X1) @
% 16.97/3.14 (implies @ (implies @ X1 @ X2) @ (implies @ X0 @ X2))))),
% 16.97/3.14 inference('cnf', [status(esa)], [cn_1])).
% 16.97/3.14 thf(condensed_detachment, axiom,
% 16.97/3.14 (( ~( is_a_theorem @ ( implies @ X @ Y ) ) ) | ( ~( is_a_theorem @ X ) ) |
% 16.97/3.14 ( is_a_theorem @ Y ))).
% 16.97/3.14 thf(zip_derived_cl0, plain,
% 16.97/3.14 (![X0 : $i, X1 : $i]:
% 16.97/3.14 (~ (is_a_theorem @ (implies @ X0 @ X1))
% 16.97/3.14 | ~ (is_a_theorem @ X0)
% 16.97/3.14 | (is_a_theorem @ X1))),
% 16.97/3.14 inference('cnf', [status(esa)], [condensed_detachment])).
% 16.97/3.14 thf(zip_derived_cl6, plain,
% 16.97/3.14 (![X0 : $i, X1 : $i, X2 : $i]:
% 16.97/3.14 (~ (is_a_theorem @ (implies @ X1 @ X2))
% 16.97/3.14 | (is_a_theorem @
% 16.97/3.14 (implies @ (implies @ X2 @ X0) @ (implies @ X1 @ X0))))),
% 16.97/3.14 inference('s_sup-', [status(thm)], [zip_derived_cl1, zip_derived_cl0])).
% 16.97/3.14 thf(prove_cn_62, conjecture,
% 16.97/3.14 (is_a_theorem @
% 16.97/3.14 ( implies @ ( implies @ ( not @ ( not @ x ) ) @ y ) @ ( implies @ x @ y ) ))).
% 16.97/3.14 thf(zf_stmt_0, negated_conjecture,
% 16.97/3.14 (~( is_a_theorem @
% 16.97/3.14 ( implies @
% 16.97/3.14 ( implies @ ( not @ ( not @ x ) ) @ y ) @ ( implies @ x @ y ) ) )),
% 16.97/3.14 inference('cnf.neg', [status(esa)], [prove_cn_62])).
% 16.97/3.14 thf(zip_derived_cl4, plain,
% 16.97/3.14 (~ (is_a_theorem @
% 16.97/3.14 (implies @ (implies @ (not @ (not @ x)) @ y) @ (implies @ x @ y)))),
% 16.97/3.14 inference('cnf', [status(esa)], [zf_stmt_0])).
% 16.97/3.14 thf(zip_derived_cl12, plain,
% 16.97/3.14 (~ (is_a_theorem @ (implies @ x @ (not @ (not @ x))))),
% 16.97/3.14 inference('s_sup-', [status(thm)], [zip_derived_cl6, zip_derived_cl4])).
% 16.97/3.14 thf(cn_2, axiom,
% 16.97/3.14 (is_a_theorem @ ( implies @ ( implies @ ( not @ X ) @ X ) @ X ))).
% 16.97/3.14 thf(zip_derived_cl2, plain,
% 16.97/3.14 (![X0 : $i]:
% 16.97/3.14 (is_a_theorem @ (implies @ (implies @ (not @ X0) @ X0) @ X0))),
% 16.97/3.14 inference('cnf', [status(esa)], [cn_2])).
% 16.97/3.14 thf(zip_derived_cl2, plain,
% 16.97/3.14 (![X0 : $i]:
% 16.97/3.14 (is_a_theorem @ (implies @ (implies @ (not @ X0) @ X0) @ X0))),
% 16.97/3.14 inference('cnf', [status(esa)], [cn_2])).
% 16.97/3.14 thf(zip_derived_cl2, plain,
% 16.97/3.14 (![X0 : $i]:
% 16.97/3.14 (is_a_theorem @ (implies @ (implies @ (not @ X0) @ X0) @ X0))),
% 16.97/3.14 inference('cnf', [status(esa)], [cn_2])).
% 16.97/3.14 thf(zip_derived_cl2, plain,
% 16.97/3.14 (![X0 : $i]:
% 16.97/3.14 (is_a_theorem @ (implies @ (implies @ (not @ X0) @ X0) @ X0))),
% 16.97/3.14 inference('cnf', [status(esa)], [cn_2])).
% 16.97/3.14 thf(cn_3, axiom,
% 16.97/3.14 (is_a_theorem @ ( implies @ X @ ( implies @ ( not @ X ) @ Y ) ))).
% 16.97/3.14 thf(zip_derived_cl3, plain,
% 16.97/3.14 (![X0 : $i, X1 : $i]:
% 16.97/3.14 (is_a_theorem @ (implies @ X0 @ (implies @ (not @ X0) @ X1)))),
% 16.97/3.14 inference('cnf', [status(esa)], [cn_3])).
% 16.97/3.14 thf(zip_derived_cl0, plain,
% 16.97/3.14 (![X0 : $i, X1 : $i]:
% 16.97/3.14 (~ (is_a_theorem @ (implies @ X0 @ X1))
% 16.97/3.14 | ~ (is_a_theorem @ X0)
% 16.97/3.14 | (is_a_theorem @ X1))),
% 16.97/3.14 inference('cnf', [status(esa)], [condensed_detachment])).
% 16.97/3.14 thf(zip_derived_cl7, plain,
% 16.97/3.14 (![X0 : $i, X1 : $i]:
% 16.97/3.14 (~ (is_a_theorem @ X1) | (is_a_theorem @ (implies @ (not @ X1) @ X0)))),
% 16.97/3.14 inference('s_sup-', [status(thm)], [zip_derived_cl3, zip_derived_cl0])).
% 16.97/3.14 thf(zip_derived_cl6, plain,
% 16.97/3.14 (![X0 : $i, X1 : $i, X2 : $i]:
% 16.97/3.14 (~ (is_a_theorem @ (implies @ X1 @ X2))
% 16.97/3.14 | (is_a_theorem @
% 16.97/3.14 (implies @ (implies @ X2 @ X0) @ (implies @ X1 @ X0))))),
% 16.97/3.14 inference('s_sup-', [status(thm)], [zip_derived_cl1, zip_derived_cl0])).
% 16.97/3.14 thf(zip_derived_cl6, plain,
% 16.97/3.14 (![X0 : $i, X1 : $i, X2 : $i]:
% 16.97/3.14 (~ (is_a_theorem @ (implies @ X1 @ X2))
% 16.97/3.14 | (is_a_theorem @
% 16.97/3.14 (implies @ (implies @ X2 @ X0) @ (implies @ X1 @ X0))))),
% 16.97/3.14 inference('s_sup-', [status(thm)], [zip_derived_cl1, zip_derived_cl0])).
% 16.97/3.14 thf(zip_derived_cl0, plain,
% 16.97/3.14 (![X0 : $i, X1 : $i]:
% 16.97/3.14 (~ (is_a_theorem @ (implies @ X0 @ X1))
% 16.97/3.14 | ~ (is_a_theorem @ X0)
% 16.97/3.14 | (is_a_theorem @ X1))),
% 16.97/3.14 inference('cnf', [status(esa)], [condensed_detachment])).
% 16.97/3.14 thf(zip_derived_cl11, plain,
% 16.97/3.14 (![X0 : $i, X1 : $i, X2 : $i]:
% 16.97/3.14 (~ (is_a_theorem @ (implies @ X1 @ X2))
% 16.97/3.14 | ~ (is_a_theorem @ (implies @ X2 @ X0))
% 16.97/3.14 | (is_a_theorem @ (implies @ X1 @ X0)))),
% 16.97/3.14 inference('s_sup-', [status(thm)], [zip_derived_cl6, zip_derived_cl0])).
% 16.97/3.14 thf(zip_derived_cl16, plain,
% 16.97/3.14 (![X0 : $i, X1 : $i, X2 : $i, X3 : $i]:
% 16.97/3.14 (~ (is_a_theorem @ (implies @ X1 @ X2))
% 16.97/3.14 | ~ (is_a_theorem @ (implies @ (implies @ X1 @ X0) @ X3))
% 16.97/3.14 | (is_a_theorem @ (implies @ (implies @ X2 @ X0) @ X3)))),
% 16.97/3.14 inference('s_sup-', [status(thm)], [zip_derived_cl6, zip_derived_cl11])).
% 16.97/3.14 thf(zip_derived_cl41, plain,
% 16.97/3.14 (![X0 : $i, X1 : $i, X2 : $i, X3 : $i]:
% 16.97/3.14 (~ (is_a_theorem @ X1)
% 16.97/3.14 | ~ (is_a_theorem @ (implies @ (implies @ (not @ X1) @ X3) @ X2))
% 16.97/3.14 | (is_a_theorem @ (implies @ (implies @ X0 @ X3) @ X2)))),
% 16.97/3.14 inference('s_sup-', [status(thm)], [zip_derived_cl7, zip_derived_cl16])).
% 16.97/3.14 thf(zip_derived_cl224, plain,
% 16.97/3.14 (![X0 : $i, X1 : $i]:
% 16.97/3.14 (~ (is_a_theorem @ X0)
% 16.97/3.14 | (is_a_theorem @ (implies @ (implies @ X1 @ X0) @ X0)))),
% 16.97/3.14 inference('s_sup-', [status(thm)], [zip_derived_cl2, zip_derived_cl41])).
% 16.97/3.14 thf(zip_derived_cl3, plain,
% 16.97/3.14 (![X0 : $i, X1 : $i]:
% 16.97/3.14 (is_a_theorem @ (implies @ X0 @ (implies @ (not @ X0) @ X1)))),
% 16.97/3.14 inference('cnf', [status(esa)], [cn_3])).
% 16.97/3.14 thf(zip_derived_cl11, plain,
% 16.97/3.14 (![X0 : $i, X1 : $i, X2 : $i]:
% 16.97/3.14 (~ (is_a_theorem @ (implies @ X1 @ X2))
% 16.97/3.14 | ~ (is_a_theorem @ (implies @ X2 @ X0))
% 16.97/3.14 | (is_a_theorem @ (implies @ X1 @ X0)))),
% 16.97/3.14 inference('s_sup-', [status(thm)], [zip_derived_cl6, zip_derived_cl0])).
% 16.97/3.14 thf(zip_derived_cl13, plain,
% 16.97/3.14 (![X0 : $i, X1 : $i, X2 : $i]:
% 16.97/3.14 (~ (is_a_theorem @ (implies @ (implies @ (not @ X1) @ X0) @ X2))
% 16.97/3.14 | (is_a_theorem @ (implies @ X1 @ X2)))),
% 16.97/3.14 inference('s_sup-', [status(thm)], [zip_derived_cl3, zip_derived_cl11])).
% 16.97/3.14 thf(zip_derived_cl254, plain,
% 16.97/3.14 (![X0 : $i, X1 : $i]:
% 16.97/3.14 (~ (is_a_theorem @ X0) | (is_a_theorem @ (implies @ X1 @ X0)))),
% 16.97/3.14 inference('s_sup-', [status(thm)], [zip_derived_cl224, zip_derived_cl13])).
% 16.97/3.14 thf(zip_derived_cl16, plain,
% 16.97/3.14 (![X0 : $i, X1 : $i, X2 : $i, X3 : $i]:
% 16.97/3.14 (~ (is_a_theorem @ (implies @ X1 @ X2))
% 16.97/3.14 | ~ (is_a_theorem @ (implies @ (implies @ X1 @ X0) @ X3))
% 16.97/3.14 | (is_a_theorem @ (implies @ (implies @ X2 @ X0) @ X3)))),
% 16.97/3.14 inference('s_sup-', [status(thm)], [zip_derived_cl6, zip_derived_cl11])).
% 16.97/3.14 thf(zip_derived_cl275, plain,
% 16.97/3.14 (![X0 : $i, X1 : $i, X2 : $i, X3 : $i]:
% 16.97/3.14 (~ (is_a_theorem @ X0)
% 16.97/3.14 | ~ (is_a_theorem @ (implies @ (implies @ X1 @ X3) @ X2))
% 16.97/3.14 | (is_a_theorem @ (implies @ (implies @ X0 @ X3) @ X2)))),
% 16.97/3.14 inference('s_sup-', [status(thm)], [zip_derived_cl254, zip_derived_cl16])).
% 16.97/3.14 thf(zip_derived_cl5864, plain,
% 16.97/3.14 (![X0 : $i, X1 : $i]:
% 16.97/3.14 (~ (is_a_theorem @ X1)
% 16.97/3.14 | (is_a_theorem @ (implies @ (implies @ X1 @ X0) @ X0)))),
% 16.97/3.14 inference('s_sup-', [status(thm)], [zip_derived_cl2, zip_derived_cl275])).
% 16.97/3.14 thf(zip_derived_cl1, plain,
% 16.97/3.14 (![X0 : $i, X1 : $i, X2 : $i]:
% 16.97/3.14 (is_a_theorem @
% 16.97/3.14 (implies @ (implies @ X0 @ X1) @
% 16.97/3.14 (implies @ (implies @ X1 @ X2) @ (implies @ X0 @ X2))))),
% 16.97/3.14 inference('cnf', [status(esa)], [cn_1])).
% 16.97/3.14 thf(zip_derived_cl11, plain,
% 16.97/3.14 (![X0 : $i, X1 : $i, X2 : $i]:
% 16.97/3.14 (~ (is_a_theorem @ (implies @ X1 @ X2))
% 16.97/3.14 | ~ (is_a_theorem @ (implies @ X2 @ X0))
% 16.97/3.14 | (is_a_theorem @ (implies @ X1 @ X0)))),
% 16.97/3.14 inference('s_sup-', [status(thm)], [zip_derived_cl6, zip_derived_cl0])).
% 16.97/3.14 thf(zip_derived_cl15, plain,
% 16.97/3.14 (![X0 : $i, X1 : $i, X2 : $i, X3 : $i]:
% 16.97/3.14 (~ (is_a_theorem @
% 16.97/3.14 (implies @
% 16.97/3.14 (implies @ (implies @ X2 @ X0) @ (implies @ X1 @ X0)) @ X3))
% 16.97/3.14 | (is_a_theorem @ (implies @ (implies @ X1 @ X2) @ X3)))),
% 16.97/3.14 inference('s_sup-', [status(thm)], [zip_derived_cl1, zip_derived_cl11])).
% 16.97/3.14 thf(zip_derived_cl5951, plain,
% 16.97/3.14 (![X0 : $i, X1 : $i, X2 : $i]:
% 16.97/3.14 (~ (is_a_theorem @ (implies @ X2 @ X0))
% 16.97/3.14 | (is_a_theorem @
% 16.97/3.14 (implies @ (implies @ X1 @ X2) @ (implies @ X1 @ X0))))),
% 16.97/3.14 inference('s_sup-', [status(thm)], [zip_derived_cl5864, zip_derived_cl15])).
% 16.97/3.14 thf(zip_derived_cl3, plain,
% 16.97/3.14 (![X0 : $i, X1 : $i]:
% 16.97/3.14 (is_a_theorem @ (implies @ X0 @ (implies @ (not @ X0) @ X1)))),
% 16.97/3.14 inference('cnf', [status(esa)], [cn_3])).
% 16.97/3.14 thf(zip_derived_cl16, plain,
% 16.97/3.14 (![X0 : $i, X1 : $i, X2 : $i, X3 : $i]:
% 16.97/3.14 (~ (is_a_theorem @ (implies @ X1 @ X2))
% 16.97/3.14 | ~ (is_a_theorem @ (implies @ (implies @ X1 @ X0) @ X3))
% 16.97/3.14 | (is_a_theorem @ (implies @ (implies @ X2 @ X0) @ X3)))),
% 16.97/3.14 inference('s_sup-', [status(thm)], [zip_derived_cl6, zip_derived_cl11])).
% 16.97/3.14 thf(zip_derived_cl36, plain,
% 16.97/3.14 (![X0 : $i, X1 : $i, X2 : $i, X3 : $i]:
% 16.97/3.14 (~ (is_a_theorem @ (implies @ (implies @ X1 @ X3) @ X2))
% 16.97/3.14 | (is_a_theorem @
% 16.97/3.14 (implies @ (implies @ (implies @ (not @ X1) @ X0) @ X3) @ X2)))),
% 16.97/3.14 inference('s_sup-', [status(thm)], [zip_derived_cl3, zip_derived_cl16])).
% 16.97/3.14 thf(zip_derived_cl15, plain,
% 16.97/3.14 (![X0 : $i, X1 : $i, X2 : $i, X3 : $i]:
% 16.97/3.14 (~ (is_a_theorem @
% 16.97/3.14 (implies @
% 16.97/3.14 (implies @ (implies @ X2 @ X0) @ (implies @ X1 @ X0)) @ X3))
% 16.97/3.14 | (is_a_theorem @ (implies @ (implies @ X1 @ X2) @ X3)))),
% 16.97/3.14 inference('s_sup-', [status(thm)], [zip_derived_cl1, zip_derived_cl11])).
% 16.97/3.14 thf(zip_derived_cl132, plain,
% 16.97/3.14 (![X0 : $i, X1 : $i, X2 : $i, X3 : $i]:
% 16.97/3.14 (~ (is_a_theorem @
% 16.97/3.14 (implies @ (implies @ X3 @ (implies @ X2 @ X1)) @ X0))
% 16.97/3.14 | (is_a_theorem @ (implies @ (implies @ X2 @ (not @ X3)) @ X0)))),
% 16.97/3.14 inference('s_sup-', [status(thm)], [zip_derived_cl36, zip_derived_cl15])).
% 16.97/3.14 thf(zip_derived_cl6112, plain,
% 16.97/3.14 (![X0 : $i, X1 : $i, X2 : $i, X3 : $i]:
% 16.97/3.14 (~ (is_a_theorem @ (implies @ (implies @ X3 @ X2) @ X0))
% 16.97/3.14 | (is_a_theorem @
% 16.97/3.14 (implies @ (implies @ X3 @ (not @ X1)) @ (implies @ X1 @ X0))))),
% 16.97/3.14 inference('s_sup-', [status(thm)],
% 16.97/3.14 [zip_derived_cl5951, zip_derived_cl132])).
% 16.97/3.14 thf(zip_derived_cl6169, plain,
% 16.97/3.14 (![X0 : $i, X1 : $i]:
% 16.97/3.14 (is_a_theorem @
% 16.97/3.14 (implies @ (implies @ (not @ X0) @ (not @ X1)) @ (implies @ X1 @ X0)))),
% 16.97/3.14 inference('s_sup-', [status(thm)], [zip_derived_cl2, zip_derived_cl6112])).
% 16.97/3.14 thf(zip_derived_cl6169, plain,
% 16.97/3.14 (![X0 : $i, X1 : $i]:
% 16.97/3.14 (is_a_theorem @
% 16.97/3.14 (implies @ (implies @ (not @ X0) @ (not @ X1)) @ (implies @ X1 @ X0)))),
% 16.97/3.14 inference('s_sup-', [status(thm)], [zip_derived_cl2, zip_derived_cl6112])).
% 16.97/3.14 thf(zip_derived_cl13, plain,
% 16.97/3.14 (![X0 : $i, X1 : $i, X2 : $i]:
% 16.97/3.14 (~ (is_a_theorem @ (implies @ (implies @ (not @ X1) @ X0) @ X2))
% 16.97/3.14 | (is_a_theorem @ (implies @ X1 @ X2)))),
% 16.97/3.14 inference('s_sup-', [status(thm)], [zip_derived_cl3, zip_derived_cl11])).
% 16.97/3.14 thf(zip_derived_cl6239, plain,
% 16.97/3.14 (![X0 : $i, X1 : $i]:
% 16.97/3.14 (is_a_theorem @ (implies @ X0 @ (implies @ X1 @ X0)))),
% 16.97/3.14 inference('s_sup-', [status(thm)], [zip_derived_cl6169, zip_derived_cl13])).
% 16.97/3.14 thf(zip_derived_cl11, plain,
% 16.97/3.14 (![X0 : $i, X1 : $i, X2 : $i]:
% 16.97/3.14 (~ (is_a_theorem @ (implies @ X1 @ X2))
% 16.97/3.14 | ~ (is_a_theorem @ (implies @ X2 @ X0))
% 16.97/3.14 | (is_a_theorem @ (implies @ X1 @ X0)))),
% 16.97/3.14 inference('s_sup-', [status(thm)], [zip_derived_cl6, zip_derived_cl0])).
% 16.97/3.14 thf(zip_derived_cl6261, plain,
% 16.97/3.14 (![X0 : $i, X1 : $i, X2 : $i]:
% 16.97/3.14 (~ (is_a_theorem @ (implies @ (implies @ X1 @ X0) @ X2))
% 16.97/3.14 | (is_a_theorem @ (implies @ X0 @ X2)))),
% 16.97/3.14 inference('s_sup-', [status(thm)], [zip_derived_cl6239, zip_derived_cl11])).
% 16.97/3.14 thf(zip_derived_cl6947, plain,
% 16.97/3.14 (![X0 : $i, X1 : $i]:
% 16.97/3.14 (is_a_theorem @ (implies @ (not @ X1) @ (implies @ X1 @ X0)))),
% 16.97/3.14 inference('s_sup-', [status(thm)],
% 16.97/3.14 [zip_derived_cl6169, zip_derived_cl6261])).
% 16.97/3.14 thf(zip_derived_cl11, plain,
% 16.97/3.14 (![X0 : $i, X1 : $i, X2 : $i]:
% 16.97/3.14 (~ (is_a_theorem @ (implies @ X1 @ X2))
% 16.97/3.14 | ~ (is_a_theorem @ (implies @ X2 @ X0))
% 16.97/3.14 | (is_a_theorem @ (implies @ X1 @ X0)))),
% 16.97/3.14 inference('s_sup-', [status(thm)], [zip_derived_cl6, zip_derived_cl0])).
% 16.97/3.14 thf(zip_derived_cl7235, plain,
% 16.97/3.14 (![X0 : $i, X1 : $i, X2 : $i]:
% 16.97/3.14 (~ (is_a_theorem @ (implies @ (implies @ X1 @ X0) @ X2))
% 16.97/3.14 | (is_a_theorem @ (implies @ (not @ X1) @ X2)))),
% 16.97/3.14 inference('s_sup-', [status(thm)], [zip_derived_cl6947, zip_derived_cl11])).
% 16.97/3.14 thf(zip_derived_cl7748, plain,
% 16.97/3.14 (![X0 : $i]: (is_a_theorem @ (implies @ (not @ (not @ X0)) @ X0))),
% 16.97/3.14 inference('s_sup-', [status(thm)], [zip_derived_cl2, zip_derived_cl7235])).
% 16.97/3.14 thf(zip_derived_cl6169, plain,
% 16.97/3.14 (![X0 : $i, X1 : $i]:
% 16.97/3.14 (is_a_theorem @
% 16.97/3.14 (implies @ (implies @ (not @ X0) @ (not @ X1)) @ (implies @ X1 @ X0)))),
% 16.97/3.14 inference('s_sup-', [status(thm)], [zip_derived_cl2, zip_derived_cl6112])).
% 16.97/3.14 thf(zip_derived_cl0, plain,
% 16.97/3.14 (![X0 : $i, X1 : $i]:
% 16.97/3.14 (~ (is_a_theorem @ (implies @ X0 @ X1))
% 16.97/3.14 | ~ (is_a_theorem @ X0)
% 16.97/3.14 | (is_a_theorem @ X1))),
% 16.97/3.14 inference('cnf', [status(esa)], [condensed_detachment])).
% 16.97/3.14 thf(zip_derived_cl6213, plain,
% 16.97/3.14 (![X0 : $i, X1 : $i]:
% 16.97/3.14 (~ (is_a_theorem @ (implies @ (not @ X0) @ (not @ X1)))
% 16.97/3.14 | (is_a_theorem @ (implies @ X1 @ X0)))),
% 16.97/3.14 inference('s_sup-', [status(thm)], [zip_derived_cl6169, zip_derived_cl0])).
% 16.97/3.14 thf(zip_derived_cl7838, plain,
% 16.97/3.14 (![X0 : $i]: (is_a_theorem @ (implies @ X0 @ (not @ (not @ X0))))),
% 16.97/3.14 inference('s_sup-', [status(thm)],
% 16.97/3.14 [zip_derived_cl7748, zip_derived_cl6213])).
% 16.97/3.14 thf(zip_derived_cl7913, plain, ($false),
% 16.97/3.14 inference('demod', [status(thm)], [zip_derived_cl12, zip_derived_cl7838])).
% 16.97/3.14
% 16.97/3.14 % SZS output end Refutation
% 16.97/3.14
% 16.97/3.14
% 16.97/3.14 % Terminating...
% 3.14/3.20 % Runner terminated.
% 3.92/3.23 % Zipperpin 1.5 exiting
%------------------------------------------------------------------------------