%------------------------------------------------------------------------------
% File : Zipperpin---2.1.9999
% Problem : LCL217-3 : 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.GI32mYOc4v 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 01:35:29 PM UTC 2026
% Result : Unsatisfiable 52.29s 9.31s
% Output : Refutation 52.29s
% Verified :
% SZS Type : -
% Comments :
%------------------------------------------------------------------------------
%----WARNING: Could not form TPTP format derivation
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.03 % Problem : LCL217-3 : TPTP v9.3.1. Released v2.3.0.
% 0.00/0.04 % Command : python3 /export/starexec/sandbox2/solver/bin/portfolio.lams.parallel.py %s %d /export/starexec/sandbox2/tmp/tmp.GI32mYOc4v true
% 0.08/0.35 % Computer : n008.cluster.edu
% 0.08/0.35 % Model : x86_64 x86_64
% 0.08/0.35 % CPU : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.08/0.35 % Memory : 8046.5625MB
% 0.08/0.35 % OS : Linux 6.8.0-71-generic
% 0.08/0.35 % CPULimit : 300
% 0.08/0.35 % WCLimit : 300
% 0.08/0.35 % DateTime : Sat Sep 5 09:21:23 UTC 2026
% 0.08/0.35 % CPUTime :
% 0.08/0.35 % Running portfolio for 300 s
% 0.08/0.35 % File : /export/starexec/sandbox2/benchmark/theBenchmark.p
% 0.08/0.35 % Number of cores: 8
% 0.08/0.36 % Python version: Python 3.12.3
% 0.13/0.36 % Running in FO mode
% 0.46/0.65 % Total configuration time : 435
% 0.46/0.65 % Estimated wc time : 1092
% 0.46/0.65 % Estimated cpu time (7 cpus) : 156.0
% 0.48/0.73 % /export/starexec/sandbox2/solver/bin/fo/fo6_bce.sh running for 75s
% 0.48/0.79 % /export/starexec/sandbox2/solver/bin/fo/fo3_bce.sh running for 75s
% 0.48/0.79 % /export/starexec/sandbox2/solver/bin/fo/fo1_av.sh running for 75s
% 0.48/0.79 % /export/starexec/sandbox2/solver/bin/fo/fo5.sh running for 50s
% 0.48/0.79 % /export/starexec/sandbox2/solver/bin/fo/fo13.sh running for 50s
% 0.48/0.79 % /export/starexec/sandbox2/solver/bin/fo/fo4.sh running for 50s
% 0.48/0.79 % /export/starexec/sandbox2/solver/bin/fo/fo7.sh running for 63s
% 52.29/9.31 % Solved by fo/fo6_bce.sh.
% 52.29/9.31 % BCE start: 9
% 52.29/9.31 % BCE eliminated: 0
% 52.29/9.31 % PE start: 9
% 52.29/9.31 logic: eq
% 52.29/9.31 % PE eliminated: 1
% 52.29/9.31 % done 2377 iterations in 8.556s
% 52.29/9.31 % SZS status Theorem for '/export/starexec/sandbox2/benchmark/theBenchmark.p'
% 52.29/9.31 % SZS output start Refutation
% 52.29/9.31 thf(axiom_type, type, axiom: $i > $o).
% 52.29/9.31 thf(implies_type, type, implies: $i > $i > $i).
% 52.29/9.31 thf(p_type, type, p: $i).
% 52.29/9.31 thf(or_type, type, or: $i > $i > $i).
% 52.29/9.31 thf(q_type, type, q: $i).
% 52.29/9.31 thf(theorem_type, type, theorem: $i > $o).
% 52.29/9.31 thf(not_type, type, not: $i > $i).
% 52.29/9.31 thf(prove_this, conjecture,
% 52.29/9.31 (theorem @
% 52.29/9.31 ( implies @
% 52.29/9.31 ( implies @ p @ q ) @
% 52.29/9.31 ( implies @ ( implies @ p @ ( not @ q ) ) @ ( not @ p ) ) ))).
% 52.29/9.31 thf(zf_stmt_0, negated_conjecture,
% 52.29/9.31 (~( theorem @
% 52.29/9.31 ( implies @
% 52.29/9.31 ( implies @ p @ q ) @
% 52.29/9.31 ( implies @ ( implies @ p @ ( not @ q ) ) @ ( not @ p ) ) ) )),
% 52.29/9.31 inference('cnf.neg', [status(esa)], [prove_this])).
% 52.29/9.31 thf(zip_derived_cl8, plain,
% 52.29/9.31 (~ (theorem @
% 52.29/9.31 (implies @ (implies @ p @ q) @
% 52.29/9.31 (implies @ (implies @ p @ (not @ q)) @ (not @ p))))),
% 52.29/9.32 inference('cnf', [status(esa)], [zf_stmt_0])).
% 52.29/9.32 thf(implies_definition, axiom,
% 52.29/9.32 (( implies @ X @ Y ) = ( or @ ( not @ X ) @ Y ))).
% 52.29/9.32 thf(zip_derived_cl5, plain,
% 52.29/9.32 (![X0 : $i, X1 : $i]: ((implies @ X0 @ X1) = (or @ (not @ X0) @ X1))),
% 52.29/9.32 inference('cnf', [status(esa)], [implies_definition])).
% 52.29/9.32 thf(axiom_1_6, axiom,
% 52.29/9.32 (axiom @
% 52.29/9.32 ( implies @
% 52.29/9.32 ( implies @ A @ B ) @ ( implies @ ( or @ C @ A ) @ ( or @ C @ B ) ) ))).
% 52.29/9.32 thf(zip_derived_cl4, plain,
% 52.29/9.32 (![X0 : $i, X1 : $i, X2 : $i]:
% 52.29/9.32 (axiom @
% 52.29/9.32 (implies @ (implies @ X0 @ X1) @
% 52.29/9.32 (implies @ (or @ X2 @ X0) @ (or @ X2 @ X1))))),
% 52.29/9.32 inference('cnf', [status(esa)], [axiom_1_6])).
% 52.29/9.32 thf(rule_1, axiom, (( theorem @ X ) | ( ~( axiom @ X ) ))).
% 52.29/9.32 thf(zip_derived_cl6, plain, (![X0 : $i]: ( (theorem @ X0) | ~ (axiom @ X0))),
% 52.29/9.32 inference('cnf', [status(esa)], [rule_1])).
% 52.29/9.32 thf(zip_derived_cl35, plain,
% 52.29/9.32 (![X0 : $i, X1 : $i, X2 : $i]:
% 52.29/9.32 (theorem @
% 52.29/9.32 (implies @ (implies @ X2 @ X0) @
% 52.29/9.32 (implies @ (or @ X1 @ X2) @ (or @ X1 @ X0))))),
% 52.29/9.32 inference('dp-resolution', [status(thm)],
% 52.29/9.32 [zip_derived_cl4, zip_derived_cl6])).
% 52.29/9.32 thf(zip_derived_cl71, plain,
% 52.29/9.32 (![X0 : $i, X1 : $i, X2 : $i]:
% 52.29/9.32 (theorem @
% 52.29/9.32 (implies @ (implies @ X2 @ X0) @
% 52.29/9.32 (implies @ (or @ (not @ X1) @ X2) @ (implies @ X1 @ X0))))),
% 52.29/9.32 inference('s_sup+', [status(thm)], [zip_derived_cl5, zip_derived_cl35])).
% 52.29/9.32 thf(zip_derived_cl5, plain,
% 52.29/9.32 (![X0 : $i, X1 : $i]: ((implies @ X0 @ X1) = (or @ (not @ X0) @ X1))),
% 52.29/9.32 inference('cnf', [status(esa)], [implies_definition])).
% 52.29/9.32 thf(zip_derived_cl73, plain,
% 52.29/9.32 (![X0 : $i, X1 : $i, X2 : $i]:
% 52.29/9.32 (theorem @
% 52.29/9.32 (implies @ (implies @ X2 @ X0) @
% 52.29/9.32 (implies @ (implies @ X1 @ X2) @ (implies @ X1 @ X0))))),
% 52.29/9.32 inference('demod', [status(thm)], [zip_derived_cl71, zip_derived_cl5])).
% 52.29/9.32 thf(zip_derived_cl5, plain,
% 52.29/9.32 (![X0 : $i, X1 : $i]: ((implies @ X0 @ X1) = (or @ (not @ X0) @ X1))),
% 52.29/9.32 inference('cnf', [status(esa)], [implies_definition])).
% 52.29/9.32 thf(zip_derived_cl5, plain,
% 52.29/9.32 (![X0 : $i, X1 : $i]: ((implies @ X0 @ X1) = (or @ (not @ X0) @ X1))),
% 52.29/9.32 inference('cnf', [status(esa)], [implies_definition])).
% 52.29/9.32 thf(axiom_1_5, axiom,
% 52.29/9.32 (axiom @
% 52.29/9.32 ( implies @ ( or @ A @ ( or @ B @ C ) ) @ ( or @ B @ ( or @ A @ C ) ) ))).
% 52.29/9.32 thf(zip_derived_cl3, plain,
% 52.29/9.32 (![X0 : $i, X1 : $i, X2 : $i]:
% 52.29/9.32 (axiom @
% 52.29/9.32 (implies @ (or @ X0 @ (or @ X1 @ X2)) @ (or @ X1 @ (or @ X0 @ X2))))),
% 52.29/9.32 inference('cnf', [status(esa)], [axiom_1_5])).
% 52.29/9.32 thf(zip_derived_cl6, plain, (![X0 : $i]: ( (theorem @ X0) | ~ (axiom @ X0))),
% 52.29/9.32 inference('cnf', [status(esa)], [rule_1])).
% 52.29/9.32 thf(zip_derived_cl34, plain,
% 52.29/9.32 (![X0 : $i, X1 : $i, X2 : $i]:
% 52.29/9.32 (theorem @
% 52.29/9.32 (implies @ (or @ X1 @ (or @ X2 @ X0)) @ (or @ X2 @ (or @ X1 @ X0))))),
% 52.29/9.32 inference('dp-resolution', [status(thm)],
% 52.29/9.32 [zip_derived_cl3, zip_derived_cl6])).
% 52.29/9.32 thf(zip_derived_cl56, plain,
% 52.29/9.32 (![X0 : $i, X1 : $i, X2 : $i]:
% 52.29/9.32 (theorem @
% 52.29/9.32 (implies @ (or @ X1 @ (or @ (not @ X2) @ X0)) @
% 52.29/9.32 (implies @ X2 @ (or @ X1 @ X0))))),
% 52.29/9.32 inference('s_sup+', [status(thm)], [zip_derived_cl5, zip_derived_cl34])).
% 52.29/9.32 thf(zip_derived_cl5, plain,
% 52.29/9.32 (![X0 : $i, X1 : $i]: ((implies @ X0 @ X1) = (or @ (not @ X0) @ X1))),
% 52.29/9.32 inference('cnf', [status(esa)], [implies_definition])).
% 52.29/9.32 thf(zip_derived_cl60, plain,
% 52.29/9.32 (![X0 : $i, X1 : $i, X2 : $i]:
% 52.29/9.32 (theorem @
% 52.29/9.32 (implies @ (or @ X1 @ (implies @ X2 @ X0)) @
% 52.29/9.32 (implies @ X2 @ (or @ X1 @ X0))))),
% 52.29/9.32 inference('demod', [status(thm)], [zip_derived_cl56, zip_derived_cl5])).
% 52.29/9.32 thf(zip_derived_cl99, plain,
% 52.29/9.32 (![X0 : $i, X1 : $i, X2 : $i]:
% 52.29/9.32 (theorem @
% 52.29/9.32 (implies @ (or @ (not @ X1) @ (implies @ X2 @ X0)) @
% 52.29/9.32 (implies @ X2 @ (implies @ X1 @ X0))))),
% 52.29/9.32 inference('s_sup+', [status(thm)], [zip_derived_cl5, zip_derived_cl60])).
% 52.29/9.32 thf(zip_derived_cl5, plain,
% 52.29/9.32 (![X0 : $i, X1 : $i]: ((implies @ X0 @ X1) = (or @ (not @ X0) @ X1))),
% 52.29/9.32 inference('cnf', [status(esa)], [implies_definition])).
% 52.29/9.32 thf(zip_derived_cl101, plain,
% 52.29/9.32 (![X0 : $i, X1 : $i, X2 : $i]:
% 52.29/9.32 (theorem @
% 52.29/9.32 (implies @ (implies @ X1 @ (implies @ X2 @ X0)) @
% 52.29/9.32 (implies @ X2 @ (implies @ X1 @ X0))))),
% 52.29/9.32 inference('demod', [status(thm)], [zip_derived_cl99, zip_derived_cl5])).
% 52.29/9.32 thf(rule_2, axiom,
% 52.29/9.32 (( theorem @ X ) | ( ~( theorem @ ( implies @ Y @ X ) ) ) |
% 52.29/9.32 ( ~( theorem @ Y ) ))).
% 52.29/9.32 thf(zip_derived_cl7, plain,
% 52.29/9.32 (![X0 : $i, X1 : $i]:
% 52.29/9.32 ( (theorem @ X0)
% 52.29/9.32 | ~ (theorem @ (implies @ X1 @ X0))
% 52.29/9.32 | ~ (theorem @ X1))),
% 52.29/9.32 inference('cnf', [status(esa)], [rule_2])).
% 52.29/9.32 thf(zip_derived_cl112, plain,
% 52.29/9.32 (![X0 : $i, X1 : $i, X2 : $i]:
% 52.29/9.32 ( (theorem @ (implies @ X2 @ (implies @ X1 @ X0)))
% 52.29/9.32 | ~ (theorem @ (implies @ X1 @ (implies @ X2 @ X0))))),
% 52.29/9.32 inference('s_sup-', [status(thm)], [zip_derived_cl101, zip_derived_cl7])).
% 52.29/9.32 thf(zip_derived_cl117, plain,
% 52.29/9.32 (![X0 : $i, X1 : $i, X2 : $i]:
% 52.29/9.32 (theorem @
% 52.29/9.32 (implies @ (implies @ X1 @ X2) @
% 52.29/9.32 (implies @ (implies @ X2 @ X0) @ (implies @ X1 @ X0))))),
% 52.29/9.32 inference('s_sup-', [status(thm)], [zip_derived_cl73, zip_derived_cl112])).
% 52.29/9.32 thf(zip_derived_cl5, plain,
% 52.29/9.32 (![X0 : $i, X1 : $i]: ((implies @ X0 @ X1) = (or @ (not @ X0) @ X1))),
% 52.29/9.32 inference('cnf', [status(esa)], [implies_definition])).
% 52.29/9.32 thf(zip_derived_cl5, plain,
% 52.29/9.32 (![X0 : $i, X1 : $i]: ((implies @ X0 @ X1) = (or @ (not @ X0) @ X1))),
% 52.29/9.32 inference('cnf', [status(esa)], [implies_definition])).
% 52.29/9.32 thf(axiom_1_4, axiom,
% 52.29/9.32 (axiom @ ( implies @ ( or @ A @ B ) @ ( or @ B @ A ) ))).
% 52.29/9.32 thf(zip_derived_cl2, plain,
% 52.29/9.32 (![X0 : $i, X1 : $i]:
% 52.29/9.32 (axiom @ (implies @ (or @ X0 @ X1) @ (or @ X1 @ X0)))),
% 52.29/9.32 inference('cnf', [status(esa)], [axiom_1_4])).
% 52.29/9.32 thf(zip_derived_cl6, plain, (![X0 : $i]: ( (theorem @ X0) | ~ (axiom @ X0))),
% 52.29/9.32 inference('cnf', [status(esa)], [rule_1])).
% 52.29/9.32 thf(zip_derived_cl33, plain,
% 52.29/9.32 (![X0 : $i, X1 : $i]:
% 52.29/9.32 (theorem @ (implies @ (or @ X0 @ X1) @ (or @ X1 @ X0)))),
% 52.29/9.32 inference('dp-resolution', [status(thm)],
% 52.29/9.32 [zip_derived_cl2, zip_derived_cl6])).
% 52.29/9.32 thf(zip_derived_cl49, plain,
% 52.29/9.32 (![X0 : $i, X1 : $i]:
% 52.29/9.32 (theorem @ (implies @ (implies @ X1 @ X0) @ (or @ X0 @ (not @ X1))))),
% 52.29/9.32 inference('s_sup+', [status(thm)], [zip_derived_cl5, zip_derived_cl33])).
% 52.29/9.32 thf(zip_derived_cl65, plain,
% 52.29/9.32 (![X0 : $i, X1 : $i]:
% 52.29/9.32 (theorem @
% 52.29/9.32 (implies @ (implies @ X0 @ (not @ X1)) @ (implies @ X1 @ (not @ X0))))),
% 52.29/9.32 inference('s_sup+', [status(thm)], [zip_derived_cl5, zip_derived_cl49])).
% 52.29/9.32 thf(zip_derived_cl117, plain,
% 52.29/9.32 (![X0 : $i, X1 : $i, X2 : $i]:
% 52.29/9.32 (theorem @
% 52.29/9.32 (implies @ (implies @ X1 @ X2) @
% 52.29/9.32 (implies @ (implies @ X2 @ X0) @ (implies @ X1 @ X0))))),
% 52.29/9.32 inference('s_sup-', [status(thm)], [zip_derived_cl73, zip_derived_cl112])).
% 52.29/9.32 thf(zip_derived_cl7, plain,
% 52.29/9.32 (![X0 : $i, X1 : $i]:
% 52.29/9.32 ( (theorem @ X0)
% 52.29/9.32 | ~ (theorem @ (implies @ X1 @ X0))
% 52.29/9.32 | ~ (theorem @ X1))),
% 52.29/9.32 inference('cnf', [status(esa)], [rule_2])).
% 52.29/9.32 thf(zip_derived_cl235, plain,
% 52.29/9.32 (![X0 : $i, X1 : $i, X2 : $i]:
% 52.29/9.32 ( (theorem @ (implies @ (implies @ X2 @ X0) @ (implies @ X1 @ X0)))
% 52.29/9.32 | ~ (theorem @ (implies @ X1 @ X2)))),
% 52.29/9.32 inference('s_sup-', [status(thm)], [zip_derived_cl117, zip_derived_cl7])).
% 52.29/9.32 thf(zip_derived_cl73, plain,
% 52.29/9.32 (![X0 : $i, X1 : $i, X2 : $i]:
% 52.29/9.32 (theorem @
% 52.29/9.32 (implies @ (implies @ X2 @ X0) @
% 52.29/9.32 (implies @ (implies @ X1 @ X2) @ (implies @ X1 @ X0))))),
% 52.29/9.32 inference('demod', [status(thm)], [zip_derived_cl71, zip_derived_cl5])).
% 52.29/9.32 thf(zip_derived_cl7, plain,
% 52.29/9.32 (![X0 : $i, X1 : $i]:
% 52.29/9.32 ( (theorem @ X0)
% 52.29/9.32 | ~ (theorem @ (implies @ X1 @ X0))
% 52.29/9.32 | ~ (theorem @ X1))),
% 52.29/9.32 inference('cnf', [status(esa)], [rule_2])).
% 52.29/9.32 thf(zip_derived_cl84, plain,
% 52.29/9.32 (![X0 : $i, X1 : $i, X2 : $i]:
% 52.29/9.32 ( (theorem @ (implies @ (implies @ X1 @ X2) @ (implies @ X1 @ X0)))
% 52.29/9.32 | ~ (theorem @ (implies @ X2 @ X0)))),
% 52.29/9.32 inference('s_sup-', [status(thm)], [zip_derived_cl73, zip_derived_cl7])).
% 52.29/9.32 thf(zip_derived_cl7, plain,
% 52.29/9.32 (![X0 : $i, X1 : $i]:
% 52.29/9.32 ( (theorem @ X0)
% 52.29/9.32 | ~ (theorem @ (implies @ X1 @ X0))
% 52.29/9.32 | ~ (theorem @ X1))),
% 52.29/9.32 inference('cnf', [status(esa)], [rule_2])).
% 52.29/9.32 thf(zip_derived_cl97, plain,
% 52.29/9.32 (![X0 : $i, X1 : $i, X2 : $i]:
% 52.29/9.32 (~ (theorem @ (implies @ X2 @ X0))
% 52.29/9.32 | (theorem @ (implies @ X1 @ X0))
% 52.29/9.32 | ~ (theorem @ (implies @ X1 @ X2)))),
% 52.29/9.32 inference('s_sup-', [status(thm)], [zip_derived_cl84, zip_derived_cl7])).
% 52.29/9.32 thf(zip_derived_cl256, plain,
% 52.29/9.32 (![X0 : $i, X1 : $i, X2 : $i, X3 : $i]:
% 52.29/9.32 (~ (theorem @ (implies @ X1 @ X2))
% 52.29/9.32 | (theorem @ (implies @ X3 @ (implies @ X1 @ X0)))
% 52.29/9.32 | ~ (theorem @ (implies @ X3 @ (implies @ X2 @ X0))))),
% 52.29/9.32 inference('s_sup-', [status(thm)], [zip_derived_cl235, zip_derived_cl97])).
% 52.29/9.32 thf(zip_derived_cl1029, plain,
% 52.29/9.32 (![X0 : $i, X1 : $i, X2 : $i, X3 : $i]:
% 52.29/9.32 ( (theorem @
% 52.29/9.32 (implies @ X3 @ (implies @ (implies @ X0 @ (not @ X1)) @ X2)))
% 52.29/9.32 | ~ (theorem @
% 52.29/9.32 (implies @ X3 @ (implies @ (implies @ X1 @ (not @ X0)) @ X2))))),
% 52.29/9.32 inference('s_sup-', [status(thm)], [zip_derived_cl65, zip_derived_cl256])).
% 52.29/9.32 thf(zip_derived_cl1076, plain,
% 52.29/9.32 (![X0 : $i, X1 : $i, X2 : $i]:
% 52.29/9.32 (theorem @
% 52.29/9.32 (implies @ (implies @ X1 @ X2) @
% 52.29/9.32 (implies @ (implies @ X0 @ (not @ X2)) @
% 52.29/9.32 (implies @ X1 @ (not @ X0)))))),
% 52.29/9.32 inference('s_sup-', [status(thm)],
% 52.29/9.32 [zip_derived_cl117, zip_derived_cl1029])).
% 52.29/9.32 thf(zip_derived_cl5, plain,
% 52.29/9.32 (![X0 : $i, X1 : $i]: ((implies @ X0 @ X1) = (or @ (not @ X0) @ X1))),
% 52.29/9.32 inference('cnf', [status(esa)], [implies_definition])).
% 52.29/9.32 thf(axiom_1_2, axiom, (axiom @ ( implies @ ( or @ A @ A ) @ A ))).
% 52.29/9.32 thf(zip_derived_cl0, plain,
% 52.29/9.32 (![X0 : $i]: (axiom @ (implies @ (or @ X0 @ X0) @ X0))),
% 52.29/9.32 inference('cnf', [status(esa)], [axiom_1_2])).
% 52.29/9.32 thf(zip_derived_cl6, plain, (![X0 : $i]: ( (theorem @ X0) | ~ (axiom @ X0))),
% 52.29/9.32 inference('cnf', [status(esa)], [rule_1])).
% 52.29/9.32 thf(zip_derived_cl31, plain,
% 52.29/9.32 (![X0 : $i]: (theorem @ (implies @ (or @ X0 @ X0) @ X0))),
% 52.29/9.32 inference('dp-resolution', [status(thm)],
% 52.29/9.32 [zip_derived_cl0, zip_derived_cl6])).
% 52.29/9.32 thf(zip_derived_cl37, plain,
% 52.29/9.32 (![X0 : $i]:
% 52.29/9.32 (theorem @ (implies @ (implies @ X0 @ (not @ X0)) @ (not @ X0)))),
% 52.29/9.32 inference('s_sup+', [status(thm)], [zip_derived_cl5, zip_derived_cl31])).
% 52.29/9.32 thf(zip_derived_cl84, plain,
% 52.29/9.32 (![X0 : $i, X1 : $i, X2 : $i]:
% 52.29/9.32 ( (theorem @ (implies @ (implies @ X1 @ X2) @ (implies @ X1 @ X0)))
% 52.29/9.32 | ~ (theorem @ (implies @ X2 @ X0)))),
% 52.29/9.32 inference('s_sup-', [status(thm)], [zip_derived_cl73, zip_derived_cl7])).
% 52.29/9.32 thf(zip_derived_cl97, plain,
% 52.29/9.32 (![X0 : $i, X1 : $i, X2 : $i]:
% 52.29/9.32 (~ (theorem @ (implies @ X2 @ X0))
% 52.29/9.32 | (theorem @ (implies @ X1 @ X0))
% 52.29/9.32 | ~ (theorem @ (implies @ X1 @ X2)))),
% 52.29/9.32 inference('s_sup-', [status(thm)], [zip_derived_cl84, zip_derived_cl7])).
% 52.29/9.32 thf(zip_derived_cl253, plain,
% 52.29/9.32 (![X0 : $i, X1 : $i, X2 : $i, X3 : $i]:
% 52.29/9.32 (~ (theorem @ (implies @ X2 @ X0))
% 52.29/9.32 | (theorem @ (implies @ X3 @ (implies @ X1 @ X0)))
% 52.29/9.32 | ~ (theorem @ (implies @ X3 @ (implies @ X1 @ X2))))),
% 52.29/9.32 inference('s_sup-', [status(thm)], [zip_derived_cl84, zip_derived_cl97])).
% 52.29/9.32 thf(zip_derived_cl916, plain,
% 52.29/9.32 (![X0 : $i, X1 : $i, X2 : $i]:
% 52.29/9.32 ( (theorem @ (implies @ X2 @ (implies @ X1 @ (not @ X0))))
% 52.29/9.32 | ~ (theorem @
% 52.29/9.32 (implies @ X2 @ (implies @ X1 @ (implies @ X0 @ (not @ X0))))))),
% 52.29/9.32 inference('s_sup-', [status(thm)], [zip_derived_cl37, zip_derived_cl253])).
% 52.29/9.32 thf(zip_derived_cl37047, plain,
% 52.29/9.32 (![X0 : $i, X1 : $i]:
% 52.29/9.32 (theorem @
% 52.29/9.32 (implies @ (implies @ X0 @ X1) @
% 52.29/9.32 (implies @ (implies @ X0 @ (not @ X1)) @ (not @ X0))))),
% 52.29/9.32 inference('s_sup-', [status(thm)],
% 52.29/9.32 [zip_derived_cl1076, zip_derived_cl916])).
% 52.29/9.32 thf(zip_derived_cl37388, plain, ($false),
% 52.29/9.32 inference('demod', [status(thm)], [zip_derived_cl8, zip_derived_cl37047])).
% 52.29/9.32
% 52.29/9.32 % SZS output end Refutation
% 52.29/9.32
% 52.29/9.32
% 52.29/9.32 % Terminating...
% 52.29/9.35 % Runner terminated.
% 52.29/9.38 % Zipperpin 1.5 exiting
%------------------------------------------------------------------------------