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Zipperpin---2.1.9999.UNS-Ref.s

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%------------------------------------------------------------------------------
% File     : Zipperpin---2.1.9999
% Problem  : LCL070-1 : TPTP v9.3.1. Released v1.0.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : python3 /export/starexec/sandbox/solver/bin/portfolio.lams.parallel.py %s %d /export/starexec/sandbox/tmp/tmp.P6ECOrveeU true

% Computer : n016.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 01:35:07 PM UTC 2026

% Result   : Unsatisfiable 8.45s 2.16s
% Output   : Refutation 8.45s
% Verified : 
% SZS Type : -

% Comments : 
%------------------------------------------------------------------------------
%----WARNING: Could not form TPTP format derivation
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.02  % Problem  : LCL070-1 : TPTP v9.3.1. Released v1.0.0.
% 0.00/0.04  % Command  : python3 /export/starexec/sandbox/solver/bin/portfolio.lams.parallel.py %s %d /export/starexec/sandbox/tmp/tmp.P6ECOrveeU true
% 0.11/0.36  % Computer : n016.cluster.edu
% 0.11/0.36  % Model    : x86_64 x86_64
% 0.11/0.36  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.11/0.36  % Memory   : 8046.5625MB
% 0.11/0.36  % OS       : Linux 6.8.0-71-generic
% 0.11/0.36  % CPULimit : 300
% 0.11/0.36  % WCLimit  : 300
% 0.11/0.36  % DateTime : Sat Sep  5 23:39:00 UTC 2026
% 0.11/0.37  % CPUTime  : 
% 0.11/0.37  % Running portfolio for 300 s
% 0.11/0.37  % File         : /export/starexec/sandbox/benchmark/theBenchmark.p
% 0.11/0.37  % Number of cores: 8
% 0.11/0.37  % Python version: Python 3.12.3
% 0.11/0.38  % Running in FO mode
% 0.33/0.80  % Total configuration time : 435
% 0.33/0.80  % Estimated wc time : 1092
% 0.33/0.80  % Estimated cpu time (7 cpus) : 156.0
% 0.33/0.89  % /export/starexec/sandbox/solver/bin/fo/fo6_bce.sh running for 75s
% 0.34/0.97  % /export/starexec/sandbox/solver/bin/fo/fo3_bce.sh running for 75s
% 0.34/1.02  % /export/starexec/sandbox/solver/bin/fo/fo13.sh running for 50s
% 0.34/1.03  % /export/starexec/sandbox/solver/bin/fo/fo1_av.sh running for 75s
% 0.34/1.03  % /export/starexec/sandbox/solver/bin/fo/fo7.sh running for 63s
% 0.34/1.04  % /export/starexec/sandbox/solver/bin/fo/fo5.sh running for 50s
% 0.34/1.06  % /export/starexec/sandbox/solver/bin/fo/fo4.sh running for 50s
% 8.45/2.16  % Solved by fo/fo6_bce.sh.
% 8.45/2.16  % BCE start: 5
% 8.45/2.16  % BCE eliminated: 0
% 8.45/2.16  % PE start: 5
% 8.45/2.16  logic: neq
% 8.45/2.16  % PE eliminated: 0
% 8.45/2.16  % done 351 iterations in 1.230s
% 8.45/2.16  % SZS status Theorem for '/export/starexec/sandbox/benchmark/theBenchmark.p'
% 8.45/2.16  % SZS output start Refutation
% 8.45/2.16  thf(is_a_theorem_type, type, is_a_theorem: $i > $o).
% 8.45/2.16  thf(implies_type, type, implies: $i > $i > $i).
% 8.45/2.16  thf(b_type, type, b: $i).
% 8.45/2.16  thf(not_type, type, not: $i > $i).
% 8.45/2.16  thf(a_type, type, a: $i).
% 8.45/2.16  thf(c_type, type, c: $i).
% 8.45/2.16  thf(cn_19, axiom,
% 8.45/2.16    (is_a_theorem @
% 8.45/2.16     ( implies @ ( implies @ ( implies @ X @ Y ) @ Z ) @ ( implies @ Y @ Z ) ))).
% 8.45/2.16  thf(zip_derived_cl1, plain,
% 8.45/2.16      (![X0 : $i, X1 : $i, X2 : $i]:
% 8.45/2.16          (is_a_theorem @ 
% 8.45/2.16           (implies @ (implies @ (implies @ X0 @ X1) @ X2) @ 
% 8.45/2.16            (implies @ X1 @ X2)))),
% 8.45/2.16      inference('cnf', [status(esa)], [cn_19])).
% 8.45/2.16  thf(zip_derived_cl1, plain,
% 8.45/2.16      (![X0 : $i, X1 : $i, X2 : $i]:
% 8.45/2.16          (is_a_theorem @ 
% 8.45/2.16           (implies @ (implies @ (implies @ X0 @ X1) @ X2) @ 
% 8.45/2.16            (implies @ X1 @ X2)))),
% 8.45/2.16      inference('cnf', [status(esa)], [cn_19])).
% 8.45/2.16  thf(condensed_detachment, axiom,
% 8.45/2.16    (( ~( is_a_theorem @ ( implies @ X @ Y ) ) ) | ( ~( is_a_theorem @ X ) ) | 
% 8.45/2.16     ( is_a_theorem @ Y ))).
% 8.45/2.16  thf(zip_derived_cl0, plain,
% 8.45/2.16      (![X0 : $i, X1 : $i]:
% 8.45/2.16         (~ (is_a_theorem @ (implies @ X0 @ X1))
% 8.45/2.16          | ~ (is_a_theorem @ X0)
% 8.45/2.16          |  (is_a_theorem @ X1))),
% 8.45/2.16      inference('cnf', [status(esa)], [condensed_detachment])).
% 8.45/2.16  thf(zip_derived_cl5, plain,
% 8.45/2.16      (![X0 : $i, X1 : $i, X2 : $i]:
% 8.45/2.16         (~ (is_a_theorem @ (implies @ (implies @ X2 @ X1) @ X0))
% 8.45/2.16          |  (is_a_theorem @ (implies @ X1 @ X0)))),
% 8.45/2.16      inference('s_sup-', [status(thm)], [zip_derived_cl1, zip_derived_cl0])).
% 8.45/2.16  thf(zip_derived_cl7, plain,
% 8.45/2.16      (![X0 : $i, X1 : $i]:
% 8.45/2.16          (is_a_theorem @ (implies @ X0 @ (implies @ X1 @ X0)))),
% 8.45/2.16      inference('s_sup-', [status(thm)], [zip_derived_cl1, zip_derived_cl5])).
% 8.45/2.16  thf(cn_37, axiom,
% 8.45/2.16    (is_a_theorem @
% 8.45/2.16     ( implies @
% 8.45/2.16       ( implies @ ( implies @ X @ Y ) @ Z ) @ ( implies @ ( not @ X ) @ Z ) ))).
% 8.45/2.16  thf(zip_derived_cl2, plain,
% 8.45/2.16      (![X0 : $i, X1 : $i, X2 : $i]:
% 8.45/2.16          (is_a_theorem @ 
% 8.45/2.16           (implies @ (implies @ (implies @ X0 @ X1) @ X2) @ 
% 8.45/2.16            (implies @ (not @ X0) @ X2)))),
% 8.45/2.16      inference('cnf', [status(esa)], [cn_37])).
% 8.45/2.16  thf(cn_60, axiom,
% 8.45/2.16    (is_a_theorem @
% 8.45/2.16     ( implies @
% 8.45/2.16       ( implies @ X @ ( implies @ ( not @ Y ) @ Z ) ) @ 
% 8.45/2.16       ( implies @
% 8.45/2.16         X @ 
% 8.45/2.16         ( implies @
% 8.45/2.16           ( implies @ U @ Z ) @ ( implies @ ( implies @ Y @ U ) @ Z ) ) ) ))).
% 8.45/2.16  thf(zip_derived_cl3, plain,
% 8.45/2.16      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i]:
% 8.45/2.16          (is_a_theorem @ 
% 8.45/2.16           (implies @ (implies @ X0 @ (implies @ (not @ X1) @ X2)) @ 
% 8.45/2.16            (implies @ X0 @ 
% 8.45/2.16             (implies @ (implies @ X3 @ X2) @ 
% 8.45/2.16              (implies @ (implies @ X1 @ X3) @ X2)))))),
% 8.45/2.16      inference('cnf', [status(esa)], [cn_60])).
% 8.45/2.16  thf(zip_derived_cl0, plain,
% 8.45/2.16      (![X0 : $i, X1 : $i]:
% 8.45/2.16         (~ (is_a_theorem @ (implies @ X0 @ X1))
% 8.45/2.16          | ~ (is_a_theorem @ X0)
% 8.45/2.16          |  (is_a_theorem @ X1))),
% 8.45/2.16      inference('cnf', [status(esa)], [condensed_detachment])).
% 8.45/2.16  thf(zip_derived_cl15, plain,
% 8.45/2.16      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i]:
% 8.45/2.16         (~ (is_a_theorem @ (implies @ X3 @ (implies @ (not @ X2) @ X0)))
% 8.45/2.16          |  (is_a_theorem @ 
% 8.45/2.16              (implies @ X3 @ 
% 8.45/2.16               (implies @ (implies @ X1 @ X0) @ 
% 8.45/2.16                (implies @ (implies @ X2 @ X1) @ X0)))))),
% 8.45/2.16      inference('s_sup-', [status(thm)], [zip_derived_cl3, zip_derived_cl0])).
% 8.45/2.16  thf(zip_derived_cl0, plain,
% 8.45/2.16      (![X0 : $i, X1 : $i]:
% 8.45/2.16         (~ (is_a_theorem @ (implies @ X0 @ X1))
% 8.45/2.16          | ~ (is_a_theorem @ X0)
% 8.45/2.16          |  (is_a_theorem @ X1))),
% 8.45/2.16      inference('cnf', [status(esa)], [condensed_detachment])).
% 8.45/2.16  thf(zip_derived_cl32, plain,
% 8.45/2.16      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i]:
% 8.45/2.16         (~ (is_a_theorem @ (implies @ X3 @ (implies @ (not @ X2) @ X0)))
% 8.45/2.16          | ~ (is_a_theorem @ X3)
% 8.45/2.16          |  (is_a_theorem @ 
% 8.45/2.16              (implies @ (implies @ X1 @ X0) @ 
% 8.45/2.16               (implies @ (implies @ X2 @ X1) @ X0))))),
% 8.45/2.16      inference('s_sup-', [status(thm)], [zip_derived_cl15, zip_derived_cl0])).
% 8.45/2.16  thf(zip_derived_cl88, plain,
% 8.45/2.16      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i]:
% 8.45/2.16         (~ (is_a_theorem @ (implies @ (implies @ X1 @ X2) @ X0))
% 8.45/2.16          |  (is_a_theorem @ 
% 8.45/2.16              (implies @ (implies @ X3 @ X0) @ 
% 8.45/2.16               (implies @ (implies @ X1 @ X3) @ X0))))),
% 8.45/2.16      inference('s_sup-', [status(thm)], [zip_derived_cl2, zip_derived_cl32])).
% 8.45/2.16  thf(zip_derived_cl97, plain,
% 8.45/2.16      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i]:
% 8.45/2.16          (is_a_theorem @ 
% 8.45/2.16           (implies @ (implies @ X3 @ (implies @ X2 @ (implies @ X1 @ X0))) @ 
% 8.45/2.16            (implies @ (implies @ X1 @ X3) @ 
% 8.45/2.16             (implies @ X2 @ (implies @ X1 @ X0)))))),
% 8.45/2.16      inference('s_sup-', [status(thm)], [zip_derived_cl7, zip_derived_cl88])).
% 8.45/2.16  thf(zip_derived_cl0, plain,
% 8.45/2.16      (![X0 : $i, X1 : $i]:
% 8.45/2.16         (~ (is_a_theorem @ (implies @ X0 @ X1))
% 8.45/2.16          | ~ (is_a_theorem @ X0)
% 8.45/2.16          |  (is_a_theorem @ X1))),
% 8.45/2.16      inference('cnf', [status(esa)], [condensed_detachment])).
% 8.45/2.16  thf(zip_derived_cl201, plain,
% 8.45/2.16      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i]:
% 8.45/2.16         (~ (is_a_theorem @ 
% 8.45/2.16             (implies @ X3 @ (implies @ X2 @ (implies @ X1 @ X0))))
% 8.45/2.16          |  (is_a_theorem @ 
% 8.45/2.16              (implies @ (implies @ X1 @ X3) @ 
% 8.45/2.16               (implies @ X2 @ (implies @ X1 @ X0)))))),
% 8.45/2.16      inference('s_sup-', [status(thm)], [zip_derived_cl97, zip_derived_cl0])).
% 8.45/2.16  thf(prove_cn_1, conjecture,
% 8.45/2.16    (is_a_theorem @
% 8.45/2.16     ( implies @
% 8.45/2.16       ( implies @ a @ b ) @ 
% 8.45/2.16       ( implies @ ( implies @ b @ c ) @ ( implies @ a @ c ) ) ))).
% 8.45/2.16  thf(zf_stmt_0, negated_conjecture,
% 8.45/2.16    (~( is_a_theorem @
% 8.45/2.16        ( implies @
% 8.45/2.16          ( implies @ a @ b ) @ 
% 8.45/2.16          ( implies @ ( implies @ b @ c ) @ ( implies @ a @ c ) ) ) )),
% 8.45/2.16    inference('cnf.neg', [status(esa)], [prove_cn_1])).
% 8.45/2.16  thf(zip_derived_cl4, plain,
% 8.45/2.16      (~ (is_a_theorem @ 
% 8.45/2.16          (implies @ (implies @ a @ b) @ 
% 8.45/2.16           (implies @ (implies @ b @ c) @ (implies @ a @ c))))),
% 8.45/2.16      inference('cnf', [status(esa)], [zf_stmt_0])).
% 8.45/2.16  thf(zip_derived_cl221, plain,
% 8.45/2.16      (~ (is_a_theorem @ 
% 8.45/2.16          (implies @ b @ (implies @ (implies @ b @ c) @ (implies @ a @ c))))),
% 8.45/2.16      inference('s_sup-', [status(thm)], [zip_derived_cl201, zip_derived_cl4])).
% 8.45/2.16  thf(zip_derived_cl7, plain,
% 8.45/2.16      (![X0 : $i, X1 : $i]:
% 8.45/2.16          (is_a_theorem @ (implies @ X0 @ (implies @ X1 @ X0)))),
% 8.45/2.16      inference('s_sup-', [status(thm)], [zip_derived_cl1, zip_derived_cl5])).
% 8.45/2.16  thf(zip_derived_cl5, plain,
% 8.45/2.16      (![X0 : $i, X1 : $i, X2 : $i]:
% 8.45/2.16         (~ (is_a_theorem @ (implies @ (implies @ X2 @ X1) @ X0))
% 8.45/2.16          |  (is_a_theorem @ (implies @ X1 @ X0)))),
% 8.45/2.16      inference('s_sup-', [status(thm)], [zip_derived_cl1, zip_derived_cl0])).
% 8.45/2.16  thf(zip_derived_cl10, plain,
% 8.45/2.16      (![X0 : $i, X1 : $i, X2 : $i]:
% 8.45/2.16          (is_a_theorem @ (implies @ X0 @ (implies @ X2 @ (implies @ X1 @ X0))))),
% 8.45/2.16      inference('s_sup-', [status(thm)], [zip_derived_cl7, zip_derived_cl5])).
% 8.45/2.16  thf(zip_derived_cl5, plain,
% 8.45/2.16      (![X0 : $i, X1 : $i, X2 : $i]:
% 8.45/2.16         (~ (is_a_theorem @ (implies @ (implies @ X2 @ X1) @ X0))
% 8.45/2.16          |  (is_a_theorem @ (implies @ X1 @ X0)))),
% 8.45/2.16      inference('s_sup-', [status(thm)], [zip_derived_cl1, zip_derived_cl0])).
% 8.45/2.16  thf(zip_derived_cl19, plain,
% 8.45/2.16      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i]:
% 8.45/2.16          (is_a_theorem @ 
% 8.45/2.16           (implies @ X0 @ 
% 8.45/2.16            (implies @ X3 @ (implies @ X2 @ (implies @ X1 @ X0)))))),
% 8.45/2.17      inference('s_sup-', [status(thm)], [zip_derived_cl10, zip_derived_cl5])).
% 8.45/2.17  thf(zip_derived_cl5, plain,
% 8.45/2.17      (![X0 : $i, X1 : $i, X2 : $i]:
% 8.45/2.17         (~ (is_a_theorem @ (implies @ (implies @ X2 @ X1) @ X0))
% 8.45/2.17          |  (is_a_theorem @ (implies @ X1 @ X0)))),
% 8.45/2.17      inference('s_sup-', [status(thm)], [zip_derived_cl1, zip_derived_cl0])).
% 8.45/2.17  thf(zip_derived_cl45, plain,
% 8.45/2.17      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i]:
% 8.45/2.17          (is_a_theorem @ 
% 8.45/2.17           (implies @ X0 @ 
% 8.45/2.17            (implies @ X4 @ 
% 8.45/2.17             (implies @ X3 @ (implies @ X2 @ (implies @ X1 @ X0))))))),
% 8.45/2.17      inference('s_sup-', [status(thm)], [zip_derived_cl19, zip_derived_cl5])).
% 8.45/2.17  thf(zip_derived_cl201, plain,
% 8.45/2.17      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i]:
% 8.45/2.17         (~ (is_a_theorem @ 
% 8.45/2.17             (implies @ X3 @ (implies @ X2 @ (implies @ X1 @ X0))))
% 8.45/2.17          |  (is_a_theorem @ 
% 8.45/2.17              (implies @ (implies @ X1 @ X3) @ 
% 8.45/2.17               (implies @ X2 @ (implies @ X1 @ X0)))))),
% 8.45/2.17      inference('s_sup-', [status(thm)], [zip_derived_cl97, zip_derived_cl0])).
% 8.45/2.17  thf(zip_derived_cl7, plain,
% 8.45/2.17      (![X0 : $i, X1 : $i]:
% 8.45/2.17          (is_a_theorem @ (implies @ X0 @ (implies @ X1 @ X0)))),
% 8.45/2.17      inference('s_sup-', [status(thm)], [zip_derived_cl1, zip_derived_cl5])).
% 8.45/2.17  thf(zip_derived_cl7, plain,
% 8.45/2.17      (![X0 : $i, X1 : $i]:
% 8.45/2.17          (is_a_theorem @ (implies @ X0 @ (implies @ X1 @ X0)))),
% 8.45/2.17      inference('s_sup-', [status(thm)], [zip_derived_cl1, zip_derived_cl5])).
% 8.45/2.17  thf(zip_derived_cl201, plain,
% 8.45/2.17      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i]:
% 8.45/2.17         (~ (is_a_theorem @ 
% 8.45/2.17             (implies @ X3 @ (implies @ X2 @ (implies @ X1 @ X0))))
% 8.45/2.17          |  (is_a_theorem @ 
% 8.45/2.17              (implies @ (implies @ X1 @ X3) @ 
% 8.45/2.17               (implies @ X2 @ (implies @ X1 @ X0)))))),
% 8.45/2.17      inference('s_sup-', [status(thm)], [zip_derived_cl97, zip_derived_cl0])).
% 8.45/2.17  thf(zip_derived_cl0, plain,
% 8.45/2.17      (![X0 : $i, X1 : $i]:
% 8.45/2.17         (~ (is_a_theorem @ (implies @ X0 @ X1))
% 8.45/2.17          | ~ (is_a_theorem @ X0)
% 8.45/2.17          |  (is_a_theorem @ X1))),
% 8.45/2.17      inference('cnf', [status(esa)], [condensed_detachment])).
% 8.45/2.17  thf(zip_derived_cl215, plain,
% 8.45/2.17      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i]:
% 8.45/2.17         (~ (is_a_theorem @ 
% 8.45/2.17             (implies @ X3 @ (implies @ X2 @ (implies @ X1 @ X0))))
% 8.45/2.17          | ~ (is_a_theorem @ (implies @ X1 @ X3))
% 8.45/2.17          |  (is_a_theorem @ (implies @ X2 @ (implies @ X1 @ X0))))),
% 8.45/2.17      inference('s_sup-', [status(thm)], [zip_derived_cl201, zip_derived_cl0])).
% 8.45/2.17  thf(zip_derived_cl237, plain,
% 8.45/2.17      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i]:
% 8.45/2.17         (~ (is_a_theorem @ 
% 8.45/2.17             (implies @ (implies @ X1 @ X0) @ 
% 8.45/2.17              (implies @ X3 @ (implies @ X0 @ X2))))
% 8.45/2.17          |  (is_a_theorem @ (implies @ X3 @ (implies @ X0 @ X2))))),
% 8.45/2.17      inference('s_sup-', [status(thm)], [zip_derived_cl7, zip_derived_cl215])).
% 8.45/2.17  thf(zip_derived_cl275, plain,
% 8.45/2.17      (![X0 : $i, X1 : $i]:
% 8.45/2.17          (is_a_theorem @ (implies @ X1 @ (implies @ X0 @ X0)))),
% 8.45/2.17      inference('s_sup-', [status(thm)], [zip_derived_cl7, zip_derived_cl237])).
% 8.45/2.17  thf(zip_derived_cl0, plain,
% 8.45/2.17      (![X0 : $i, X1 : $i]:
% 8.45/2.17         (~ (is_a_theorem @ (implies @ X0 @ X1))
% 8.45/2.17          | ~ (is_a_theorem @ X0)
% 8.45/2.17          |  (is_a_theorem @ X1))),
% 8.45/2.17      inference('cnf', [status(esa)], [condensed_detachment])).
% 8.45/2.17  thf(zip_derived_cl292, plain,
% 8.45/2.17      (![X0 : $i, X1 : $i]:
% 8.45/2.17         (~ (is_a_theorem @ X1) |  (is_a_theorem @ (implies @ X0 @ X0)))),
% 8.45/2.17      inference('s_sup-', [status(thm)], [zip_derived_cl275, zip_derived_cl0])).
% 8.45/2.17  thf(zip_derived_cl7, plain,
% 8.45/2.17      (![X0 : $i, X1 : $i]:
% 8.45/2.17          (is_a_theorem @ (implies @ X0 @ (implies @ X1 @ X0)))),
% 8.45/2.17      inference('s_sup-', [status(thm)], [zip_derived_cl1, zip_derived_cl5])).
% 8.45/2.17  thf(zip_derived_cl323, plain,
% 8.45/2.17      (![X2 : $i]:  (is_a_theorem @ (implies @ X2 @ X2))),
% 8.45/2.17      inference('s_sup+', [status(thm)], [zip_derived_cl292, zip_derived_cl7])).
% 8.45/2.17  thf(zip_derived_cl88, plain,
% 8.45/2.17      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i]:
% 8.45/2.17         (~ (is_a_theorem @ (implies @ (implies @ X1 @ X2) @ X0))
% 8.45/2.17          |  (is_a_theorem @ 
% 8.45/2.17              (implies @ (implies @ X3 @ X0) @ 
% 8.45/2.17               (implies @ (implies @ X1 @ X3) @ X0))))),
% 8.45/2.17      inference('s_sup-', [status(thm)], [zip_derived_cl2, zip_derived_cl32])).
% 8.45/2.17  thf(zip_derived_cl421, plain,
% 8.45/2.17      (![X0 : $i, X1 : $i, X2 : $i]:
% 8.45/2.17          (is_a_theorem @ 
% 8.45/2.17           (implies @ (implies @ X2 @ (implies @ X1 @ X0)) @ 
% 8.45/2.17            (implies @ (implies @ X1 @ X2) @ (implies @ X1 @ X0))))),
% 8.45/2.17      inference('s_sup-', [status(thm)], [zip_derived_cl323, zip_derived_cl88])).
% 8.45/2.17  thf(zip_derived_cl275, plain,
% 8.45/2.17      (![X0 : $i, X1 : $i]:
% 8.45/2.17          (is_a_theorem @ (implies @ X1 @ (implies @ X0 @ X0)))),
% 8.45/2.17      inference('s_sup-', [status(thm)], [zip_derived_cl7, zip_derived_cl237])).
% 8.45/2.17  thf(zip_derived_cl215, plain,
% 8.45/2.17      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i]:
% 8.45/2.17         (~ (is_a_theorem @ 
% 8.45/2.17             (implies @ X3 @ (implies @ X2 @ (implies @ X1 @ X0))))
% 8.45/2.17          | ~ (is_a_theorem @ (implies @ X1 @ X3))
% 8.45/2.17          |  (is_a_theorem @ (implies @ X2 @ (implies @ X1 @ X0))))),
% 8.45/2.17      inference('s_sup-', [status(thm)], [zip_derived_cl201, zip_derived_cl0])).
% 8.45/2.17  thf(zip_derived_cl293, plain,
% 8.45/2.17      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i]:
% 8.45/2.17         (~ (is_a_theorem @ 
% 8.45/2.17             (implies @ (implies @ X0 @ X0) @ 
% 8.45/2.17              (implies @ X3 @ (implies @ X1 @ X2))))
% 8.45/2.17          |  (is_a_theorem @ (implies @ X3 @ (implies @ X1 @ X2))))),
% 8.45/2.17      inference('s_sup-', [status(thm)], [zip_derived_cl275, zip_derived_cl215])).
% 8.45/2.17  thf(zip_derived_cl652, plain,
% 8.45/2.17      (![X0 : $i, X1 : $i]:
% 8.45/2.17          (is_a_theorem @ 
% 8.45/2.17           (implies @ (implies @ X1 @ (implies @ X1 @ X0)) @ 
% 8.45/2.17            (implies @ X1 @ X0)))),
% 8.45/2.17      inference('s_sup-', [status(thm)], [zip_derived_cl421, zip_derived_cl293])).
% 8.45/2.17  thf(zip_derived_cl0, plain,
% 8.45/2.17      (![X0 : $i, X1 : $i]:
% 8.45/2.17         (~ (is_a_theorem @ (implies @ X0 @ X1))
% 8.45/2.17          | ~ (is_a_theorem @ X0)
% 8.45/2.17          |  (is_a_theorem @ X1))),
% 8.45/2.17      inference('cnf', [status(esa)], [condensed_detachment])).
% 8.45/2.17  thf(zip_derived_cl718, plain,
% 8.45/2.17      (![X0 : $i, X1 : $i]:
% 8.45/2.17         (~ (is_a_theorem @ (implies @ X1 @ (implies @ X1 @ X0)))
% 8.45/2.17          |  (is_a_theorem @ (implies @ X1 @ X0)))),
% 8.45/2.17      inference('s_sup-', [status(thm)], [zip_derived_cl652, zip_derived_cl0])).
% 8.45/2.17  thf(zip_derived_cl757, plain,
% 8.45/2.17      (![X0 : $i, X1 : $i, X2 : $i]:
% 8.45/2.17         (~ (is_a_theorem @ 
% 8.45/2.17             (implies @ X2 @ 
% 8.45/2.17              (implies @ (implies @ X1 @ X2) @ (implies @ X1 @ X0))))
% 8.45/2.17          |  (is_a_theorem @ 
% 8.45/2.17              (implies @ (implies @ X1 @ X2) @ (implies @ X1 @ X0))))),
% 8.45/2.17      inference('s_sup-', [status(thm)], [zip_derived_cl201, zip_derived_cl718])).
% 8.45/2.17  thf(zip_derived_cl773, plain,
% 8.45/2.17      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i]:
% 8.45/2.17          (is_a_theorem @ 
% 8.45/2.17           (implies @ (implies @ X3 @ X0) @ 
% 8.45/2.17            (implies @ X3 @ (implies @ X2 @ (implies @ X1 @ X0)))))),
% 8.45/2.17      inference('s_sup-', [status(thm)], [zip_derived_cl45, zip_derived_cl757])).
% 8.45/2.17  thf(zip_derived_cl201, plain,
% 8.45/2.17      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i]:
% 8.45/2.17         (~ (is_a_theorem @ 
% 8.45/2.17             (implies @ X3 @ (implies @ X2 @ (implies @ X1 @ X0))))
% 8.45/2.17          |  (is_a_theorem @ 
% 8.45/2.17              (implies @ (implies @ X1 @ X3) @ 
% 8.45/2.17               (implies @ X2 @ (implies @ X1 @ X0)))))),
% 8.45/2.17      inference('s_sup-', [status(thm)], [zip_derived_cl97, zip_derived_cl0])).
% 8.45/2.17  thf(zip_derived_cl237, plain,
% 8.45/2.17      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i]:
% 8.45/2.17         (~ (is_a_theorem @ 
% 8.45/2.17             (implies @ (implies @ X1 @ X0) @ 
% 8.45/2.17              (implies @ X3 @ (implies @ X0 @ X2))))
% 8.45/2.17          |  (is_a_theorem @ (implies @ X3 @ (implies @ X0 @ X2))))),
% 8.45/2.17      inference('s_sup-', [status(thm)], [zip_derived_cl7, zip_derived_cl215])).
% 8.45/2.17  thf(zip_derived_cl291, plain,
% 8.45/2.17      (![X0 : $i, X1 : $i, X2 : $i]:
% 8.45/2.17         (~ (is_a_theorem @ 
% 8.45/2.17             (implies @ X1 @ (implies @ X2 @ (implies @ X1 @ X0))))
% 8.45/2.17          |  (is_a_theorem @ (implies @ X2 @ (implies @ X1 @ X0))))),
% 8.45/2.17      inference('s_sup-', [status(thm)], [zip_derived_cl201, zip_derived_cl237])).
% 8.45/2.17  thf(zip_derived_cl1040, plain,
% 8.45/2.17      (![X0 : $i, X1 : $i, X2 : $i]:
% 8.45/2.17          (is_a_theorem @ 
% 8.45/2.17           (implies @ X2 @ 
% 8.45/2.17            (implies @ (implies @ X2 @ X0) @ (implies @ X1 @ X0))))),
% 8.45/2.17      inference('s_sup-', [status(thm)], [zip_derived_cl773, zip_derived_cl291])).
% 8.45/2.17  thf(zip_derived_cl1053, plain, ($false),
% 8.45/2.17      inference('demod', [status(thm)], [zip_derived_cl221, zip_derived_cl1040])).
% 8.45/2.17  
% 8.45/2.17  % SZS output end Refutation
% 8.45/2.17  
% 8.45/2.17  
% 8.45/2.17  % Terminating...
% 3.27/2.21  % Runner terminated.
% 3.27/2.25  % Zipperpin 1.5 exiting
%------------------------------------------------------------------------------