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Zipperpin---2.1.9999.UNS-Ref.s

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%------------------------------------------------------------------------------
% File     : Zipperpin---2.1.9999
% Problem  : LCL102-1 : TPTP v9.3.1. 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.GFvwTZLLWt true

% Computer : n011.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 01:35:11 PM UTC 2026

% Result   : Unsatisfiable 42.32s 6.78s
% Output   : Refutation 42.32s
% Verified : 
% SZS Type : -

% Comments : 
%------------------------------------------------------------------------------
%----WARNING: Could not form TPTP format derivation
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.02  % Problem  : LCL102-1 : TPTP v9.3.1. Released v1.0.0.
% 0.00/0.04  % Command  : python3 /export/starexec/sandbox2/solver/bin/portfolio.lams.parallel.py %s %d /export/starexec/sandbox2/tmp/tmp.GFvwTZLLWt true
% 0.10/0.36  % Computer : n011.cluster.edu
% 0.10/0.36  % Model    : x86_64 x86_64
% 0.10/0.36  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.10/0.36  % Memory   : 8046.5625MB
% 0.10/0.36  % OS       : Linux 6.8.0-71-generic
% 0.10/0.36  % CPULimit : 300
% 0.10/0.36  % WCLimit  : 300
% 0.10/0.36  % DateTime : Fri Sep  4 17:52:13 UTC 2026
% 0.14/0.36  % CPUTime  : 
% 0.14/0.36  % Running portfolio for 300 s
% 0.14/0.36  % File         : /export/starexec/sandbox2/benchmark/theBenchmark.p
% 0.14/0.36  % Number of cores: 8
% 0.14/0.37  % Python version: Python 3.12.3
% 0.14/0.37  % Running in FO mode
% 0.47/0.66  % Total configuration time : 435
% 0.47/0.66  % Estimated wc time : 1092
% 0.47/0.66  % Estimated cpu time (7 cpus) : 156.0
% 0.49/0.73  % /export/starexec/sandbox2/solver/bin/fo/fo6_bce.sh running for 75s
% 0.49/0.80  % /export/starexec/sandbox2/solver/bin/fo/fo3_bce.sh running for 75s
% 0.50/0.80  % /export/starexec/sandbox2/solver/bin/fo/fo1_av.sh running for 75s
% 0.50/0.80  % /export/starexec/sandbox2/solver/bin/fo/fo7.sh running for 63s
% 0.50/0.80  % /export/starexec/sandbox2/solver/bin/fo/fo13.sh running for 50s
% 0.50/0.82  % /export/starexec/sandbox2/solver/bin/fo/fo4.sh running for 50s
% 0.50/0.82  % /export/starexec/sandbox2/solver/bin/fo/fo5.sh running for 50s
% 42.32/6.78  % Solved by fo/fo13.sh.
% 42.32/6.78  % done 2052 iterations in 5.943s
% 42.32/6.78  % SZS status Theorem for '/export/starexec/sandbox2/benchmark/theBenchmark.p'
% 42.32/6.78  % SZS output start Refutation
% 42.32/6.78  thf(a_type, type, a: $i).
% 42.32/6.78  thf(is_a_theorem_type, type, is_a_theorem: $i > $o).
% 42.32/6.78  thf(equivalent_type, type, equivalent: $i > $i > $i).
% 42.32/6.78  thf(c_type, type, c: $i).
% 42.32/6.78  thf(e_type, type, e: $i).
% 42.32/6.78  thf(b_type, type, b: $i).
% 42.32/6.78  thf(lg_2, axiom,
% 42.32/6.78    (is_a_theorem @
% 42.32/6.78     ( equivalent @
% 42.32/6.78       ( equivalent @
% 42.32/6.78         ( equivalent @
% 42.32/6.78           ( equivalent @ ( equivalent @ X @ Y ) @ ( equivalent @ X @ Z ) ) @ 
% 42.32/6.78           ( equivalent @ Y @ Z ) ) @ 
% 42.32/6.78         U ) @ 
% 42.32/6.78       U ))).
% 42.32/6.78  thf(zip_derived_cl1, plain,
% 42.32/6.78      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i]:
% 42.32/6.78          (is_a_theorem @ 
% 42.32/6.78           (equivalent @ 
% 42.32/6.78            (equivalent @ 
% 42.32/6.78             (equivalent @ 
% 42.32/6.78              (equivalent @ (equivalent @ X0 @ X1) @ (equivalent @ X0 @ X2)) @ 
% 42.32/6.78              (equivalent @ X1 @ X2)) @ 
% 42.32/6.78             X3) @ 
% 42.32/6.78            X3))),
% 42.32/6.78      inference('cnf', [status(esa)], [lg_2])).
% 42.32/6.78  thf(condensed_detachment, axiom,
% 42.32/6.78    (( ~( is_a_theorem @ ( equivalent @ X @ Y ) ) ) | 
% 42.32/6.78     ( ~( is_a_theorem @ X ) ) | ( is_a_theorem @ Y ))).
% 42.32/6.78  thf(zip_derived_cl0, plain,
% 42.32/6.78      (![X0 : $i, X1 : $i]:
% 42.32/6.78         (~ (is_a_theorem @ (equivalent @ X0 @ X1))
% 42.32/6.78          | ~ (is_a_theorem @ X0)
% 42.32/6.78          |  (is_a_theorem @ X1))),
% 42.32/6.78      inference('cnf', [status(esa)], [condensed_detachment])).
% 42.32/6.78  thf(zip_derived_cl8, plain,
% 42.32/6.78      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i]:
% 42.32/6.78         (~ (is_a_theorem @ 
% 42.32/6.78             (equivalent @ 
% 42.32/6.78              (equivalent @ 
% 42.32/6.78               (equivalent @ (equivalent @ X3 @ X2) @ (equivalent @ X3 @ X1)) @ 
% 42.32/6.78               (equivalent @ X2 @ X1)) @ 
% 42.32/6.78              X0))
% 42.32/6.78          |  (is_a_theorem @ X0))),
% 42.32/6.78      inference('s_sup-', [status(thm)], [zip_derived_cl1, zip_derived_cl0])).
% 42.32/6.78  thf(q_1, axiom,
% 42.32/6.78    (is_a_theorem @
% 42.32/6.78     ( equivalent @
% 42.32/6.78       X @ 
% 42.32/6.78       ( equivalent @
% 42.32/6.78         ( equivalent @ Y @ Z ) @ ( equivalent @ ( equivalent @ Z @ Y ) @ X ) ) ))).
% 42.32/6.78  thf(zip_derived_cl2, plain,
% 42.32/6.78      (![X0 : $i, X1 : $i, X2 : $i]:
% 42.32/6.78          (is_a_theorem @ 
% 42.32/6.78           (equivalent @ X0 @ 
% 42.32/6.78            (equivalent @ (equivalent @ X1 @ X2) @ 
% 42.32/6.78             (equivalent @ (equivalent @ X2 @ X1) @ X0))))),
% 42.32/6.78      inference('cnf', [status(esa)], [q_1])).
% 42.32/6.78  thf(zip_derived_cl12, plain,
% 42.32/6.78      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i]:
% 42.32/6.78          (is_a_theorem @ 
% 42.32/6.78           (equivalent @ (equivalent @ X3 @ X4) @ 
% 42.32/6.78            (equivalent @ (equivalent @ X4 @ X3) @ 
% 42.32/6.78             (equivalent @ 
% 42.32/6.78              (equivalent @ (equivalent @ X2 @ X1) @ (equivalent @ X2 @ X0)) @ 
% 42.32/6.78              (equivalent @ X1 @ X0)))))),
% 42.32/6.78      inference('s_sup+', [status(thm)], [zip_derived_cl8, zip_derived_cl2])).
% 42.32/6.78  thf(zip_derived_cl8, plain,
% 42.32/6.78      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i]:
% 42.32/6.78         (~ (is_a_theorem @ 
% 42.32/6.78             (equivalent @ 
% 42.32/6.78              (equivalent @ 
% 42.32/6.78               (equivalent @ (equivalent @ X3 @ X2) @ (equivalent @ X3 @ X1)) @ 
% 42.32/6.78               (equivalent @ X2 @ X1)) @ 
% 42.32/6.78              X0))
% 42.32/6.78          |  (is_a_theorem @ X0))),
% 42.32/6.78      inference('s_sup-', [status(thm)], [zip_derived_cl1, zip_derived_cl0])).
% 42.32/6.78  thf(zip_derived_cl0, plain,
% 42.32/6.78      (![X0 : $i, X1 : $i]:
% 42.32/6.78         (~ (is_a_theorem @ (equivalent @ X0 @ X1))
% 42.32/6.78          | ~ (is_a_theorem @ X0)
% 42.32/6.78          |  (is_a_theorem @ X1))),
% 42.32/6.78      inference('cnf', [status(esa)], [condensed_detachment])).
% 42.32/6.78  thf(zip_derived_cl11, plain,
% 42.32/6.78      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i]:
% 42.32/6.78         ( (is_a_theorem @ X0)
% 42.32/6.78          | ~ (is_a_theorem @ 
% 42.32/6.78               (equivalent @ X4 @ 
% 42.32/6.78                (equivalent @ 
% 42.32/6.78                 (equivalent @ 
% 42.32/6.78                  (equivalent @ (equivalent @ X3 @ X2) @ (equivalent @ X3 @ X1)) @ 
% 42.32/6.78                  (equivalent @ X2 @ X1)) @ 
% 42.32/6.78                 X0)))
% 42.32/6.78          | ~ (is_a_theorem @ X4))),
% 42.32/6.78      inference('s_sup+', [status(thm)], [zip_derived_cl8, zip_derived_cl0])).
% 42.32/6.78  thf(zip_derived_cl109, plain,
% 42.32/6.78      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i]:
% 42.32/6.78         ( (is_a_theorem @ 
% 42.32/6.78            (equivalent @ 
% 42.32/6.78             (equivalent @ (equivalent @ X2 @ X1) @ (equivalent @ X2 @ X0)) @ 
% 42.32/6.78             (equivalent @ X1 @ X0)))
% 42.32/6.78          | ~ (is_a_theorem @ 
% 42.32/6.78               (equivalent @ (equivalent @ X4 @ X3) @ 
% 42.32/6.78                (equivalent @ (equivalent @ X5 @ X4) @ (equivalent @ X5 @ X3)))))),
% 42.32/6.78      inference('s_sup-', [status(thm)], [zip_derived_cl12, zip_derived_cl11])).
% 42.32/6.78  thf(q_2, axiom,
% 42.32/6.78    (is_a_theorem @
% 42.32/6.78     ( equivalent @
% 42.32/6.78       ( equivalent @ X @ Y ) @ 
% 42.32/6.78       ( equivalent @ ( equivalent @ Z @ X ) @ ( equivalent @ Z @ Y ) ) ))).
% 42.32/6.78  thf(zip_derived_cl3, plain,
% 42.32/6.78      (![X0 : $i, X1 : $i, X2 : $i]:
% 42.32/6.78          (is_a_theorem @ 
% 42.32/6.78           (equivalent @ (equivalent @ X0 @ X1) @ 
% 42.32/6.78            (equivalent @ (equivalent @ X2 @ X0) @ (equivalent @ X2 @ X1))))),
% 42.32/6.78      inference('cnf', [status(esa)], [q_2])).
% 42.32/6.78  thf(zip_derived_cl111, plain,
% 42.32/6.78      (![X0 : $i, X1 : $i, X2 : $i]:
% 42.32/6.78          (is_a_theorem @ 
% 42.32/6.78           (equivalent @ 
% 42.32/6.78            (equivalent @ (equivalent @ X2 @ X1) @ (equivalent @ X2 @ X0)) @ 
% 42.32/6.78            (equivalent @ X1 @ X0)))),
% 42.32/6.78      inference('demod', [status(thm)], [zip_derived_cl109, zip_derived_cl3])).
% 42.32/6.78  thf(zip_derived_cl2, plain,
% 42.32/6.78      (![X0 : $i, X1 : $i, X2 : $i]:
% 42.32/6.78          (is_a_theorem @ 
% 42.32/6.78           (equivalent @ X0 @ 
% 42.32/6.78            (equivalent @ (equivalent @ X1 @ X2) @ 
% 42.32/6.78             (equivalent @ (equivalent @ X2 @ X1) @ X0))))),
% 42.32/6.78      inference('cnf', [status(esa)], [q_1])).
% 42.32/6.78  thf(zip_derived_cl3, plain,
% 42.32/6.78      (![X0 : $i, X1 : $i, X2 : $i]:
% 42.32/6.78          (is_a_theorem @ 
% 42.32/6.78           (equivalent @ (equivalent @ X0 @ X1) @ 
% 42.32/6.78            (equivalent @ (equivalent @ X2 @ X0) @ (equivalent @ X2 @ X1))))),
% 42.32/6.78      inference('cnf', [status(esa)], [q_2])).
% 42.32/6.78  thf(zip_derived_cl0, plain,
% 42.32/6.78      (![X0 : $i, X1 : $i]:
% 42.32/6.78         (~ (is_a_theorem @ (equivalent @ X0 @ X1))
% 42.32/6.78          | ~ (is_a_theorem @ X0)
% 42.32/6.78          |  (is_a_theorem @ X1))),
% 42.32/6.78      inference('cnf', [status(esa)], [condensed_detachment])).
% 42.32/6.78  thf(zip_derived_cl7, plain,
% 42.32/6.78      (![X0 : $i, X1 : $i, X2 : $i]:
% 42.32/6.78         (~ (is_a_theorem @ (equivalent @ X2 @ X0))
% 42.32/6.78          |  (is_a_theorem @ 
% 42.32/6.78              (equivalent @ (equivalent @ X1 @ X2) @ (equivalent @ X1 @ X0))))),
% 42.32/6.78      inference('s_sup-', [status(thm)], [zip_derived_cl3, zip_derived_cl0])).
% 42.32/6.78  thf(zip_derived_cl21, plain,
% 42.32/6.78      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i]:
% 42.32/6.78          (is_a_theorem @ 
% 42.32/6.78           (equivalent @ (equivalent @ X3 @ X0) @ 
% 42.32/6.78            (equivalent @ X3 @ 
% 42.32/6.78             (equivalent @ (equivalent @ X1 @ X2) @ 
% 42.32/6.78              (equivalent @ (equivalent @ X2 @ X1) @ X0)))))),
% 42.32/6.78      inference('s_sup-', [status(thm)], [zip_derived_cl2, zip_derived_cl7])).
% 42.32/6.78  thf(zip_derived_cl7, plain,
% 42.32/6.78      (![X0 : $i, X1 : $i, X2 : $i]:
% 42.32/6.78         (~ (is_a_theorem @ (equivalent @ X2 @ X0))
% 42.32/6.78          |  (is_a_theorem @ 
% 42.32/6.78              (equivalent @ (equivalent @ X1 @ X2) @ (equivalent @ X1 @ X0))))),
% 42.32/6.78      inference('s_sup-', [status(thm)], [zip_derived_cl3, zip_derived_cl0])).
% 42.32/6.78  thf(zip_derived_cl284, plain,
% 42.32/6.78      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i]:
% 42.32/6.78          (is_a_theorem @ 
% 42.32/6.78           (equivalent @ (equivalent @ X4 @ (equivalent @ X3 @ X0)) @ 
% 42.32/6.78            (equivalent @ X4 @ 
% 42.32/6.78             (equivalent @ X3 @ 
% 42.32/6.78              (equivalent @ (equivalent @ X1 @ X2) @ 
% 42.32/6.78               (equivalent @ (equivalent @ X2 @ X1) @ X0))))))),
% 42.32/6.78      inference('s_sup-', [status(thm)], [zip_derived_cl21, zip_derived_cl7])).
% 42.32/6.78  thf(zip_derived_cl111, plain,
% 42.32/6.78      (![X0 : $i, X1 : $i, X2 : $i]:
% 42.32/6.78          (is_a_theorem @ 
% 42.32/6.78           (equivalent @ 
% 42.32/6.78            (equivalent @ (equivalent @ X2 @ X1) @ (equivalent @ X2 @ X0)) @ 
% 42.32/6.78            (equivalent @ X1 @ X0)))),
% 42.32/6.78      inference('demod', [status(thm)], [zip_derived_cl109, zip_derived_cl3])).
% 42.32/6.78  thf(zip_derived_cl8, plain,
% 42.32/6.78      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i]:
% 42.32/6.78         (~ (is_a_theorem @ 
% 42.32/6.78             (equivalent @ 
% 42.32/6.78              (equivalent @ 
% 42.32/6.78               (equivalent @ (equivalent @ X3 @ X2) @ (equivalent @ X3 @ X1)) @ 
% 42.32/6.78               (equivalent @ X2 @ X1)) @ 
% 42.32/6.78              X0))
% 42.32/6.78          |  (is_a_theorem @ X0))),
% 42.32/6.78      inference('s_sup-', [status(thm)], [zip_derived_cl1, zip_derived_cl0])).
% 42.32/6.78  thf(zip_derived_cl7, plain,
% 42.32/6.78      (![X0 : $i, X1 : $i, X2 : $i]:
% 42.32/6.78         (~ (is_a_theorem @ (equivalent @ X2 @ X0))
% 42.32/6.78          |  (is_a_theorem @ 
% 42.32/6.78              (equivalent @ (equivalent @ X1 @ X2) @ (equivalent @ X1 @ X0))))),
% 42.32/6.78      inference('s_sup-', [status(thm)], [zip_derived_cl3, zip_derived_cl0])).
% 42.32/6.78  thf(zip_derived_cl25, plain,
% 42.32/6.78      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i]:
% 42.32/6.78         ( (is_a_theorem @ 
% 42.32/6.78            (equivalent @ 
% 42.32/6.78             (equivalent @ (equivalent @ X2 @ X3) @ (equivalent @ X2 @ X1)) @ 
% 42.32/6.78             X0))
% 42.32/6.78          | ~ (is_a_theorem @ (equivalent @ (equivalent @ X3 @ X1) @ X0)))),
% 42.32/6.78      inference('s_sup+', [status(thm)], [zip_derived_cl8, zip_derived_cl7])).
% 42.32/6.78  thf(prove_p_1, conjecture,
% 42.32/6.78    (is_a_theorem @
% 42.32/6.78     ( equivalent @
% 42.32/6.78       ( equivalent @ ( equivalent @ a @ b ) @ c ) @ 
% 42.32/6.78       ( equivalent @
% 42.32/6.78         ( equivalent @ e @ b ) @ ( equivalent @ ( equivalent @ a @ e ) @ c ) ) ))).
% 42.32/6.78  thf(zf_stmt_0, negated_conjecture,
% 42.32/6.78    (~( is_a_theorem @
% 42.32/6.78        ( equivalent @
% 42.32/6.78          ( equivalent @ ( equivalent @ a @ b ) @ c ) @ 
% 42.32/6.78          ( equivalent @
% 42.32/6.78            ( equivalent @ e @ b ) @ 
% 42.32/6.78            ( equivalent @ ( equivalent @ a @ e ) @ c ) ) ) )),
% 42.32/6.78    inference('cnf.neg', [status(esa)], [prove_p_1])).
% 42.32/6.78  thf(zip_derived_cl4, plain,
% 42.32/6.78      (~ (is_a_theorem @ 
% 42.32/6.78          (equivalent @ (equivalent @ (equivalent @ a @ b) @ c) @ 
% 42.32/6.78           (equivalent @ (equivalent @ e @ b) @ 
% 42.32/6.78            (equivalent @ (equivalent @ a @ e) @ c))))),
% 42.32/6.78      inference('cnf', [status(esa)], [zf_stmt_0])).
% 42.32/6.78  thf(zip_derived_cl0, plain,
% 42.32/6.78      (![X0 : $i, X1 : $i]:
% 42.32/6.78         (~ (is_a_theorem @ (equivalent @ X0 @ X1))
% 42.32/6.78          | ~ (is_a_theorem @ X0)
% 42.32/6.78          |  (is_a_theorem @ X1))),
% 42.32/6.78      inference('cnf', [status(esa)], [condensed_detachment])).
% 42.32/6.78  thf(zip_derived_cl6, plain,
% 42.32/6.78      (![X0 : $i]:
% 42.32/6.78         (~ (is_a_theorem @ 
% 42.32/6.78             (equivalent @ X0 @ 
% 42.32/6.78              (equivalent @ (equivalent @ (equivalent @ a @ b) @ c) @ 
% 42.32/6.78               (equivalent @ (equivalent @ e @ b) @ 
% 42.32/6.78                (equivalent @ (equivalent @ a @ e) @ c)))))
% 42.32/6.78          | ~ (is_a_theorem @ X0))),
% 42.32/6.78      inference('s_sup+', [status(thm)], [zip_derived_cl4, zip_derived_cl0])).
% 42.32/6.78  thf(zip_derived_cl40, plain,
% 42.32/6.78      (![X0 : $i, X1 : $i, X2 : $i]:
% 42.32/6.78         (~ (is_a_theorem @ 
% 42.32/6.78             (equivalent @ (equivalent @ X2 @ X0) @ 
% 42.32/6.78              (equivalent @ (equivalent @ (equivalent @ a @ b) @ c) @ 
% 42.32/6.78               (equivalent @ (equivalent @ e @ b) @ 
% 42.32/6.78                (equivalent @ (equivalent @ a @ e) @ c)))))
% 42.32/6.78          | ~ (is_a_theorem @ 
% 42.32/6.78               (equivalent @ (equivalent @ X1 @ X2) @ (equivalent @ X1 @ X0))))),
% 42.32/6.78      inference('s_sup-', [status(thm)], [zip_derived_cl25, zip_derived_cl6])).
% 42.32/6.78  thf(zip_derived_cl7, plain,
% 42.32/6.78      (![X0 : $i, X1 : $i, X2 : $i]:
% 42.32/6.78         (~ (is_a_theorem @ (equivalent @ X2 @ X0))
% 42.32/6.78          |  (is_a_theorem @ 
% 42.32/6.78              (equivalent @ (equivalent @ X1 @ X2) @ (equivalent @ X1 @ X0))))),
% 42.32/6.78      inference('s_sup-', [status(thm)], [zip_derived_cl3, zip_derived_cl0])).
% 42.32/6.78  thf(zip_derived_cl47, plain,
% 42.32/6.78      (![X0 : $i, X1 : $i]:
% 42.32/6.78         (~ (is_a_theorem @ 
% 42.32/6.78             (equivalent @ 
% 42.32/6.78              (equivalent @ X1 @ (equivalent @ (equivalent @ a @ b) @ c)) @ 
% 42.32/6.78              (equivalent @ X1 @ X0)))
% 42.32/6.78          | ~ (is_a_theorem @ 
% 42.32/6.78               (equivalent @ X0 @ 
% 42.32/6.78                (equivalent @ (equivalent @ e @ b) @ 
% 42.32/6.78                 (equivalent @ (equivalent @ a @ e) @ c)))))),
% 42.32/6.78      inference('s_sup+', [status(thm)], [zip_derived_cl40, zip_derived_cl7])).
% 42.32/6.78  thf(zip_derived_cl7, plain,
% 42.32/6.78      (![X0 : $i, X1 : $i, X2 : $i]:
% 42.32/6.78         (~ (is_a_theorem @ (equivalent @ X2 @ X0))
% 42.32/6.78          |  (is_a_theorem @ 
% 42.32/6.78              (equivalent @ (equivalent @ X1 @ X2) @ (equivalent @ X1 @ X0))))),
% 42.32/6.78      inference('s_sup-', [status(thm)], [zip_derived_cl3, zip_derived_cl0])).
% 42.32/6.78  thf(zip_derived_cl82, plain,
% 42.32/6.78      (![X0 : $i]:
% 42.32/6.78         (~ (is_a_theorem @ 
% 42.32/6.78             (equivalent @ X0 @ 
% 42.32/6.78              (equivalent @ (equivalent @ e @ b) @ 
% 42.32/6.78               (equivalent @ (equivalent @ a @ e) @ c))))
% 42.32/6.78          | ~ (is_a_theorem @ 
% 42.32/6.78               (equivalent @ (equivalent @ (equivalent @ a @ b) @ c) @ X0)))),
% 42.32/6.78      inference('s_sup+', [status(thm)], [zip_derived_cl47, zip_derived_cl7])).
% 42.32/6.78  thf(zip_derived_cl119, plain,
% 42.32/6.78      (![X0 : $i]:
% 42.32/6.78         ~ (is_a_theorem @ 
% 42.32/6.78            (equivalent @ (equivalent @ (equivalent @ a @ b) @ c) @ 
% 42.32/6.78             (equivalent @ (equivalent @ X0 @ (equivalent @ e @ b)) @ 
% 42.32/6.78              (equivalent @ X0 @ (equivalent @ (equivalent @ a @ e) @ c)))))),
% 42.32/6.78      inference('s_sup-', [status(thm)], [zip_derived_cl111, zip_derived_cl82])).
% 42.32/6.78  thf(zip_derived_cl0, plain,
% 42.32/6.78      (![X0 : $i, X1 : $i]:
% 42.32/6.78         (~ (is_a_theorem @ (equivalent @ X0 @ X1))
% 42.32/6.78          | ~ (is_a_theorem @ X0)
% 42.32/6.78          |  (is_a_theorem @ X1))),
% 42.32/6.78      inference('cnf', [status(esa)], [condensed_detachment])).
% 42.32/6.78  thf(zip_derived_cl185, plain,
% 42.32/6.78      (![X0 : $i, X1 : $i]:
% 42.32/6.78         (~ (is_a_theorem @ 
% 42.32/6.78             (equivalent @ X1 @ 
% 42.32/6.78              (equivalent @ (equivalent @ (equivalent @ a @ b) @ c) @ 
% 42.32/6.78               (equivalent @ (equivalent @ X0 @ (equivalent @ e @ b)) @ 
% 42.32/6.78                (equivalent @ X0 @ (equivalent @ (equivalent @ a @ e) @ c))))))
% 42.32/6.78          | ~ (is_a_theorem @ X1))),
% 42.32/6.78      inference('s_sup+', [status(thm)], [zip_derived_cl119, zip_derived_cl0])).
% 42.32/6.78  thf(zip_derived_cl6074, plain,
% 42.32/6.78      (~ (is_a_theorem @ 
% 42.32/6.78          (equivalent @ (equivalent @ (equivalent @ a @ b) @ c) @ 
% 42.32/6.78           (equivalent @ 
% 42.32/6.78            (equivalent @ (equivalent @ e @ a) @ (equivalent @ e @ b)) @ c)))),
% 42.32/6.78      inference('s_sup-', [status(thm)], [zip_derived_cl284, zip_derived_cl185])).
% 42.32/6.78  thf(zip_derived_cl0, plain,
% 42.32/6.78      (![X0 : $i, X1 : $i]:
% 42.32/6.78         (~ (is_a_theorem @ (equivalent @ X0 @ X1))
% 42.32/6.78          | ~ (is_a_theorem @ X0)
% 42.32/6.78          |  (is_a_theorem @ X1))),
% 42.32/6.78      inference('cnf', [status(esa)], [condensed_detachment])).
% 42.32/6.78  thf(zip_derived_cl6119, plain,
% 42.32/6.78      (![X0 : $i]:
% 42.32/6.78         (~ (is_a_theorem @ 
% 42.32/6.78             (equivalent @ X0 @ 
% 42.32/6.78              (equivalent @ (equivalent @ (equivalent @ a @ b) @ c) @ 
% 42.32/6.78               (equivalent @ 
% 42.32/6.78                (equivalent @ (equivalent @ e @ a) @ (equivalent @ e @ b)) @ c))))
% 42.32/6.78          | ~ (is_a_theorem @ X0))),
% 42.32/6.78      inference('s_sup+', [status(thm)], [zip_derived_cl6074, zip_derived_cl0])).
% 42.32/6.78  thf(zip_derived_cl7342, plain,
% 42.32/6.78      (![X0 : $i]:
% 42.32/6.78         ~ (is_a_theorem @ 
% 42.32/6.78            (equivalent @ 
% 42.32/6.78             (equivalent @ X0 @ (equivalent @ (equivalent @ a @ b) @ c)) @ 
% 42.32/6.78             (equivalent @ X0 @ 
% 42.32/6.78              (equivalent @ 
% 42.32/6.78               (equivalent @ (equivalent @ e @ a) @ (equivalent @ e @ b)) @ c))))),
% 42.32/6.78      inference('s_sup-', [status(thm)],
% 42.32/6.78                [zip_derived_cl111, zip_derived_cl6119])).
% 42.32/6.78  thf(zip_derived_cl3, plain,
% 42.32/6.78      (![X0 : $i, X1 : $i, X2 : $i]:
% 42.32/6.78          (is_a_theorem @ 
% 42.32/6.78           (equivalent @ (equivalent @ X0 @ X1) @ 
% 42.32/6.78            (equivalent @ (equivalent @ X2 @ X0) @ (equivalent @ X2 @ X1))))),
% 42.32/6.78      inference('cnf', [status(esa)], [q_2])).
% 42.32/6.78  thf(zip_derived_cl2, plain,
% 42.32/6.78      (![X0 : $i, X1 : $i, X2 : $i]:
% 42.32/6.78          (is_a_theorem @ 
% 42.32/6.78           (equivalent @ X0 @ 
% 42.32/6.78            (equivalent @ (equivalent @ X1 @ X2) @ 
% 42.32/6.78             (equivalent @ (equivalent @ X2 @ X1) @ X0))))),
% 42.32/6.78      inference('cnf', [status(esa)], [q_1])).
% 42.32/6.78  thf(zip_derived_cl0, plain,
% 42.32/6.78      (![X0 : $i, X1 : $i]:
% 42.32/6.78         (~ (is_a_theorem @ (equivalent @ X0 @ X1))
% 42.32/6.78          | ~ (is_a_theorem @ X0)
% 42.32/6.78          |  (is_a_theorem @ X1))),
% 42.32/6.78      inference('cnf', [status(esa)], [condensed_detachment])).
% 42.32/6.78  thf(zip_derived_cl5, plain,
% 42.32/6.78      (![X0 : $i, X1 : $i, X2 : $i]:
% 42.32/6.78         (~ (is_a_theorem @ X0)
% 42.32/6.78          |  (is_a_theorem @ 
% 42.32/6.78              (equivalent @ (equivalent @ X1 @ X2) @ 
% 42.32/6.78               (equivalent @ (equivalent @ X2 @ X1) @ X0))))),
% 42.32/6.78      inference('s_sup-', [status(thm)], [zip_derived_cl2, zip_derived_cl0])).
% 42.32/6.78  thf(zip_derived_cl0, plain,
% 42.32/6.78      (![X0 : $i, X1 : $i]:
% 42.32/6.78         (~ (is_a_theorem @ (equivalent @ X0 @ X1))
% 42.32/6.78          | ~ (is_a_theorem @ X0)
% 42.32/6.78          |  (is_a_theorem @ X1))),
% 42.32/6.78      inference('cnf', [status(esa)], [condensed_detachment])).
% 42.32/6.78  thf(zip_derived_cl16, plain,
% 42.32/6.78      (![X0 : $i, X1 : $i, X2 : $i]:
% 42.32/6.78         (~ (is_a_theorem @ X0)
% 42.32/6.78          | ~ (is_a_theorem @ (equivalent @ X1 @ X2))
% 42.32/6.78          |  (is_a_theorem @ (equivalent @ (equivalent @ X2 @ X1) @ X0)))),
% 42.32/6.78      inference('s_sup-', [status(thm)], [zip_derived_cl5, zip_derived_cl0])).
% 42.32/6.78  thf(zip_derived_cl28, plain,
% 42.32/6.78      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i]:
% 42.32/6.78         (~ (is_a_theorem @ X3)
% 42.32/6.78          |  (is_a_theorem @ 
% 42.32/6.78              (equivalent @ 
% 42.32/6.78               (equivalent @ 
% 42.32/6.78                (equivalent @ (equivalent @ X1 @ X2) @ (equivalent @ X1 @ X0)) @ 
% 42.32/6.78                (equivalent @ X2 @ X0)) @ 
% 42.32/6.78               X3)))),
% 42.32/6.78      inference('s_sup-', [status(thm)], [zip_derived_cl3, zip_derived_cl16])).
% 42.32/6.78  thf(zip_derived_cl7644, plain,
% 42.32/6.78      (![X0 : $i]:
% 42.32/6.78         ~ (is_a_theorem @ 
% 42.32/6.78            (equivalent @ 
% 42.32/6.78             (equivalent @ (equivalent @ X0 @ (equivalent @ a @ b)) @ 
% 42.32/6.78              (equivalent @ X0 @ c)) @ 
% 42.32/6.78             (equivalent @ 
% 42.32/6.78              (equivalent @ (equivalent @ e @ a) @ (equivalent @ e @ b)) @ c)))),
% 42.32/6.78      inference('s_sup+', [status(thm)], [zip_derived_cl7342, zip_derived_cl28])).
% 42.32/6.78  thf(zip_derived_cl1, plain,
% 42.32/6.78      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i]:
% 42.32/6.78          (is_a_theorem @ 
% 42.32/6.78           (equivalent @ 
% 42.32/6.78            (equivalent @ 
% 42.32/6.78             (equivalent @ 
% 42.32/6.78              (equivalent @ (equivalent @ X0 @ X1) @ (equivalent @ X0 @ X2)) @ 
% 42.32/6.78              (equivalent @ X1 @ X2)) @ 
% 42.32/6.78             X3) @ 
% 42.32/6.78            X3))),
% 42.32/6.78      inference('cnf', [status(esa)], [lg_2])).
% 42.32/6.78  thf(zip_derived_cl7886, plain, ($false),
% 42.32/6.78      inference('s_sup+', [status(thm)], [zip_derived_cl7644, zip_derived_cl1])).
% 42.32/6.78  
% 42.32/6.78  % SZS output end Refutation
% 42.32/6.78  
% 42.32/6.78  
% 42.32/6.78  % Terminating...
% 7.45/6.84  % Runner terminated.
% 7.45/6.86  % Zipperpin 1.5 exiting
%------------------------------------------------------------------------------