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Zipperpin---2.1.9999.UNS-Ref.s

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%------------------------------------------------------------------------------
% File     : Zipperpin---2.1.9999
% Problem  : LCL224-1 : TPTP v9.3.1. Released v1.1.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : python3 /export/starexec/sandbox2/solver/bin/portfolio.lams.parallel.py %s %d /export/starexec/sandbox2/tmp/tmp.lGWjJMqNKH true

% Computer : n020.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 01:35:31 PM UTC 2026

% Result   : Unsatisfiable 25.15s 4.22s
% Output   : Refutation 25.15s
% Verified : 
% SZS Type : -

% Comments : 
%------------------------------------------------------------------------------
%----WARNING: Could not form TPTP format derivation
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.03  % Problem  : LCL224-1 : TPTP v9.3.1. Released v1.1.0.
% 0.00/0.05  % Command  : python3 /export/starexec/sandbox2/solver/bin/portfolio.lams.parallel.py %s %d /export/starexec/sandbox2/tmp/tmp.lGWjJMqNKH true
% 0.10/0.36  % Computer : n020.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 : Sun Sep  6 01:21:27 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
% 0.46/0.65  % 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/fo1_av.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/fo7.sh running for 63s
% 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/fo5.sh running for 50s
% 0.50/0.80  % /export/starexec/sandbox2/solver/bin/fo/fo4.sh running for 50s
% 25.15/4.22  % Solved by fo/fo6_bce.sh.
% 25.15/4.22  % BCE start: 9
% 25.15/4.22  % BCE eliminated: 0
% 25.15/4.22  % PE start: 9
% 25.15/4.22  logic: neq
% 25.15/4.22  % PE eliminated: 0
% 25.15/4.22  % done 1494 iterations in 3.474s
% 25.15/4.22  % SZS status Theorem for '/export/starexec/sandbox2/benchmark/theBenchmark.p'
% 25.15/4.22  % SZS output start Refutation
% 25.15/4.22  thf(p_type, type, p: $i).
% 25.15/4.22  thf(axiom_type, type, axiom: $i > $o).
% 25.15/4.22  thf(or_type, type, or: $i > $i > $i).
% 25.15/4.22  thf(not_type, type, not: $i > $i).
% 25.15/4.22  thf(q_type, type, q: $i).
% 25.15/4.22  thf(theorem_type, type, theorem: $i > $o).
% 25.15/4.22  thf(r_type, type, r: $i).
% 25.15/4.22  thf(axiom_1_6, axiom,
% 25.15/4.22    (axiom @
% 25.15/4.22     ( or @
% 25.15/4.22       ( not @ ( or @ ( not @ A ) @ B ) ) @ 
% 25.15/4.22       ( or @ ( not @ ( or @ C @ A ) ) @ ( or @ C @ B ) ) ))).
% 25.15/4.22  thf(zip_derived_cl4, plain,
% 25.15/4.22      (![X0 : $i, X1 : $i, X2 : $i]:
% 25.15/4.22          (axiom @ 
% 25.15/4.22           (or @ (not @ (or @ (not @ X0) @ X1)) @ 
% 25.15/4.22            (or @ (not @ (or @ X2 @ X0)) @ (or @ X2 @ X1))))),
% 25.15/4.22      inference('cnf', [status(esa)], [axiom_1_6])).
% 25.15/4.22  thf(rule_2, axiom,
% 25.15/4.22    (( theorem @ X ) | ( ~( axiom @ ( or @ ( not @ Y ) @ X ) ) ) | 
% 25.15/4.22     ( ~( theorem @ Y ) ))).
% 25.15/4.22  thf(zip_derived_cl6, plain,
% 25.15/4.22      (![X0 : $i, X1 : $i]:
% 25.15/4.22         ( (theorem @ X0)
% 25.15/4.22          | ~ (axiom @ (or @ (not @ X1) @ X0))
% 25.15/4.22          | ~ (theorem @ X1))),
% 25.15/4.22      inference('cnf', [status(esa)], [rule_2])).
% 25.15/4.22  thf(zip_derived_cl42, plain,
% 25.15/4.22      (![X0 : $i, X1 : $i, X2 : $i]:
% 25.15/4.22         ( (theorem @ (or @ (not @ (or @ X1 @ X2)) @ (or @ X1 @ X0)))
% 25.15/4.22          | ~ (theorem @ (or @ (not @ X2) @ X0)))),
% 25.15/4.22      inference('s_sup-', [status(thm)], [zip_derived_cl4, zip_derived_cl6])).
% 25.15/4.22  thf(axiom_1_5, axiom,
% 25.15/4.22    (axiom @
% 25.15/4.22     ( or @ ( not @ ( or @ A @ ( or @ B @ C ) ) ) @ ( or @ B @ ( or @ A @ C ) ) ))).
% 25.15/4.22  thf(zip_derived_cl3, plain,
% 25.15/4.22      (![X0 : $i, X1 : $i, X2 : $i]:
% 25.15/4.22          (axiom @ 
% 25.15/4.22           (or @ (not @ (or @ X0 @ (or @ X1 @ X2))) @ 
% 25.15/4.22            (or @ X1 @ (or @ X0 @ X2))))),
% 25.15/4.22      inference('cnf', [status(esa)], [axiom_1_5])).
% 25.15/4.22  thf(zip_derived_cl6, plain,
% 25.15/4.22      (![X0 : $i, X1 : $i]:
% 25.15/4.22         ( (theorem @ X0)
% 25.15/4.22          | ~ (axiom @ (or @ (not @ X1) @ X0))
% 25.15/4.22          | ~ (theorem @ X1))),
% 25.15/4.22      inference('cnf', [status(esa)], [rule_2])).
% 25.15/4.22  thf(zip_derived_cl35, plain,
% 25.15/4.22      (![X0 : $i, X1 : $i, X2 : $i]:
% 25.15/4.22         ( (theorem @ (or @ X2 @ (or @ X1 @ X0)))
% 25.15/4.22          | ~ (theorem @ (or @ X1 @ (or @ X2 @ X0))))),
% 25.15/4.22      inference('s_sup-', [status(thm)], [zip_derived_cl3, zip_derived_cl6])).
% 25.15/4.22  thf(zip_derived_cl83, plain,
% 25.15/4.22      (![X0 : $i, X1 : $i, X2 : $i]:
% 25.15/4.22         (~ (theorem @ (or @ (not @ X2) @ X0))
% 25.15/4.22          |  (theorem @ (or @ X1 @ (or @ (not @ (or @ X1 @ X2)) @ X0))))),
% 25.15/4.22      inference('s_sup-', [status(thm)], [zip_derived_cl42, zip_derived_cl35])).
% 25.15/4.22  thf(axiom_1_4, axiom,
% 25.15/4.22    (axiom @ ( or @ ( not @ ( or @ A @ B ) ) @ ( or @ B @ A ) ))).
% 25.15/4.22  thf(zip_derived_cl2, plain,
% 25.15/4.22      (![X0 : $i, X1 : $i]:
% 25.15/4.22          (axiom @ (or @ (not @ (or @ X0 @ X1)) @ (or @ X1 @ X0)))),
% 25.15/4.22      inference('cnf', [status(esa)], [axiom_1_4])).
% 25.15/4.22  thf(zip_derived_cl6, plain,
% 25.15/4.22      (![X0 : $i, X1 : $i]:
% 25.15/4.22         ( (theorem @ X0)
% 25.15/4.22          | ~ (axiom @ (or @ (not @ X1) @ X0))
% 25.15/4.22          | ~ (theorem @ X1))),
% 25.15/4.22      inference('cnf', [status(esa)], [rule_2])).
% 25.15/4.22  thf(zip_derived_cl28, plain,
% 25.15/4.22      (![X0 : $i, X1 : $i]:
% 25.15/4.22         ( (theorem @ (or @ X1 @ X0)) | ~ (theorem @ (or @ X0 @ X1)))),
% 25.15/4.22      inference('s_sup-', [status(thm)], [zip_derived_cl2, zip_derived_cl6])).
% 25.15/4.22  thf(zip_derived_cl513, plain,
% 25.15/4.22      (![X0 : $i, X1 : $i, X2 : $i]:
% 25.15/4.22         (~ (theorem @ (or @ (not @ X1) @ X0))
% 25.15/4.22          |  (theorem @ (or @ (or @ (not @ (or @ X2 @ X1)) @ X0) @ X2)))),
% 25.15/4.22      inference('s_sup-', [status(thm)], [zip_derived_cl83, zip_derived_cl28])).
% 25.15/4.22  thf(axiom_1_3, axiom, (axiom @ ( or @ ( not @ A ) @ ( or @ B @ A ) ))).
% 25.15/4.22  thf(zip_derived_cl1, plain,
% 25.15/4.22      (![X0 : $i, X1 : $i]:  (axiom @ (or @ (not @ X0) @ (or @ X1 @ X0)))),
% 25.15/4.22      inference('cnf', [status(esa)], [axiom_1_3])).
% 25.15/4.22  thf(zip_derived_cl6, plain,
% 25.15/4.22      (![X0 : $i, X1 : $i]:
% 25.15/4.22         ( (theorem @ X0)
% 25.15/4.22          | ~ (axiom @ (or @ (not @ X1) @ X0))
% 25.15/4.22          | ~ (theorem @ X1))),
% 25.15/4.22      inference('cnf', [status(esa)], [rule_2])).
% 25.15/4.22  thf(zip_derived_cl27, plain,
% 25.15/4.22      (![X0 : $i, X1 : $i]: ( (theorem @ (or @ X1 @ X0)) | ~ (theorem @ X0))),
% 25.15/4.22      inference('s_sup-', [status(thm)], [zip_derived_cl1, zip_derived_cl6])).
% 25.15/4.22  thf(zip_derived_cl35, plain,
% 25.15/4.22      (![X0 : $i, X1 : $i, X2 : $i]:
% 25.15/4.22         ( (theorem @ (or @ X2 @ (or @ X1 @ X0)))
% 25.15/4.22          | ~ (theorem @ (or @ X1 @ (or @ X2 @ X0))))),
% 25.15/4.22      inference('s_sup-', [status(thm)], [zip_derived_cl3, zip_derived_cl6])).
% 25.15/4.22  thf(zip_derived_cl80, plain,
% 25.15/4.22      (![X0 : $i, X1 : $i, X2 : $i]:
% 25.15/4.22         (~ (theorem @ (or @ X1 @ X0))
% 25.15/4.22          |  (theorem @ (or @ X1 @ (or @ X2 @ X0))))),
% 25.15/4.22      inference('s_sup-', [status(thm)], [zip_derived_cl27, zip_derived_cl35])).
% 25.15/4.22  thf(axiom_1_2, axiom, (axiom @ ( or @ ( not @ ( or @ A @ A ) ) @ A ))).
% 25.15/4.22  thf(zip_derived_cl0, plain,
% 25.15/4.22      (![X0 : $i]:  (axiom @ (or @ (not @ (or @ X0 @ X0)) @ X0))),
% 25.15/4.22      inference('cnf', [status(esa)], [axiom_1_2])).
% 25.15/4.22  thf(zip_derived_cl6, plain,
% 25.15/4.22      (![X0 : $i, X1 : $i]:
% 25.15/4.22         ( (theorem @ X0)
% 25.15/4.22          | ~ (axiom @ (or @ (not @ X1) @ X0))
% 25.15/4.22          | ~ (theorem @ X1))),
% 25.15/4.22      inference('cnf', [status(esa)], [rule_2])).
% 25.15/4.22  thf(zip_derived_cl25, plain,
% 25.15/4.22      (![X0 : $i]: ( (theorem @ X0) | ~ (theorem @ (or @ X0 @ X0)))),
% 25.15/4.22      inference('s_sup-', [status(thm)], [zip_derived_cl0, zip_derived_cl6])).
% 25.15/4.22  thf(zip_derived_cl497, plain,
% 25.15/4.22      (![X0 : $i, X1 : $i]:
% 25.15/4.22         (~ (theorem @ (or @ (or @ X1 @ X0) @ X0))
% 25.15/4.22          |  (theorem @ (or @ X1 @ X0)))),
% 25.15/4.22      inference('s_sup-', [status(thm)], [zip_derived_cl80, zip_derived_cl25])).
% 25.15/4.22  thf(zip_derived_cl6717, plain,
% 25.15/4.22      (![X0 : $i, X1 : $i]:
% 25.15/4.22         (~ (theorem @ (or @ (not @ X1) @ X0))
% 25.15/4.22          |  (theorem @ (or @ (not @ (or @ X0 @ X1)) @ X0)))),
% 25.15/4.22      inference('s_sup-', [status(thm)], [zip_derived_cl513, zip_derived_cl497])).
% 25.15/4.22  thf(zip_derived_cl2, plain,
% 25.15/4.22      (![X0 : $i, X1 : $i]:
% 25.15/4.22          (axiom @ (or @ (not @ (or @ X0 @ X1)) @ (or @ X1 @ X0)))),
% 25.15/4.22      inference('cnf', [status(esa)], [axiom_1_4])).
% 25.15/4.22  thf(rule_3, axiom,
% 25.15/4.22    (( theorem @ ( or @ ( not @ X ) @ Z ) ) | 
% 25.15/4.22     ( ~( axiom @ ( or @ ( not @ X ) @ Y ) ) ) | 
% 25.15/4.22     ( ~( theorem @ ( or @ ( not @ Y ) @ Z ) ) ))).
% 25.15/4.22  thf(zip_derived_cl7, plain,
% 25.15/4.22      (![X0 : $i, X1 : $i, X2 : $i]:
% 25.15/4.22         ( (theorem @ (or @ (not @ X0) @ X1))
% 25.15/4.22          | ~ (axiom @ (or @ (not @ X0) @ X2))
% 25.15/4.22          | ~ (theorem @ (or @ (not @ X2) @ X1)))),
% 25.15/4.22      inference('cnf', [status(esa)], [rule_3])).
% 25.15/4.22  thf(zip_derived_cl31, plain,
% 25.15/4.22      (![X0 : $i, X1 : $i, X2 : $i]:
% 25.15/4.22         ( (theorem @ (or @ (not @ (or @ X0 @ X1)) @ X2))
% 25.15/4.22          | ~ (theorem @ (or @ (not @ (or @ X1 @ X0)) @ X2)))),
% 25.15/4.22      inference('s_sup-', [status(thm)], [zip_derived_cl2, zip_derived_cl7])).
% 25.15/4.22  thf(zip_derived_cl6743, plain,
% 25.15/4.22      (![X0 : $i, X1 : $i]:
% 25.15/4.22         (~ (theorem @ (or @ (not @ X1) @ X0))
% 25.15/4.22          |  (theorem @ (or @ (not @ (or @ X1 @ X0)) @ X0)))),
% 25.15/4.22      inference('s_sup-', [status(thm)], [zip_derived_cl6717, zip_derived_cl31])).
% 25.15/4.22  thf(zip_derived_cl42, plain,
% 25.15/4.22      (![X0 : $i, X1 : $i, X2 : $i]:
% 25.15/4.22         ( (theorem @ (or @ (not @ (or @ X1 @ X2)) @ (or @ X1 @ X0)))
% 25.15/4.22          | ~ (theorem @ (or @ (not @ X2) @ X0)))),
% 25.15/4.22      inference('s_sup-', [status(thm)], [zip_derived_cl4, zip_derived_cl6])).
% 25.15/4.22  thf(zip_derived_cl4, plain,
% 25.15/4.22      (![X0 : $i, X1 : $i, X2 : $i]:
% 25.15/4.22          (axiom @ 
% 25.15/4.22           (or @ (not @ (or @ (not @ X0) @ X1)) @ 
% 25.15/4.22            (or @ (not @ (or @ X2 @ X0)) @ (or @ X2 @ X1))))),
% 25.15/4.22      inference('cnf', [status(esa)], [axiom_1_6])).
% 25.15/4.22  thf(zip_derived_cl7, plain,
% 25.15/4.22      (![X0 : $i, X1 : $i, X2 : $i]:
% 25.15/4.22         ( (theorem @ (or @ (not @ X0) @ X1))
% 25.15/4.22          | ~ (axiom @ (or @ (not @ X0) @ X2))
% 25.15/4.22          | ~ (theorem @ (or @ (not @ X2) @ X1)))),
% 25.15/4.22      inference('cnf', [status(esa)], [rule_3])).
% 25.15/4.22  thf(zip_derived_cl43, plain,
% 25.15/4.22      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i]:
% 25.15/4.22         ( (theorem @ (or @ (not @ (or @ (not @ X2) @ X0)) @ X3))
% 25.15/4.22          | ~ (theorem @ 
% 25.15/4.22               (or @ (not @ (or @ (not @ (or @ X1 @ X2)) @ (or @ X1 @ X0))) @ 
% 25.15/4.22                X3)))),
% 25.15/4.22      inference('s_sup-', [status(thm)], [zip_derived_cl4, zip_derived_cl7])).
% 25.15/4.22  thf(zip_derived_cl94, plain,
% 25.15/4.22      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i]:
% 25.15/4.22         (~ (theorem @ (or @ (not @ (or @ X2 @ X3)) @ X0))
% 25.15/4.22          |  (theorem @ 
% 25.15/4.22              (or @ (not @ (or @ (not @ X1) @ X3)) @ 
% 25.15/4.22               (or @ (not @ (or @ X2 @ X1)) @ X0))))),
% 25.15/4.22      inference('s_sup-', [status(thm)], [zip_derived_cl42, zip_derived_cl43])).
% 25.15/4.22  thf(zip_derived_cl3, plain,
% 25.15/4.22      (![X0 : $i, X1 : $i, X2 : $i]:
% 25.15/4.22          (axiom @ 
% 25.15/4.22           (or @ (not @ (or @ X0 @ (or @ X1 @ X2))) @ 
% 25.15/4.22            (or @ X1 @ (or @ X0 @ X2))))),
% 25.15/4.22      inference('cnf', [status(esa)], [axiom_1_5])).
% 25.15/4.22  thf(zip_derived_cl7, plain,
% 25.15/4.22      (![X0 : $i, X1 : $i, X2 : $i]:
% 25.15/4.22         ( (theorem @ (or @ (not @ X0) @ X1))
% 25.15/4.22          | ~ (axiom @ (or @ (not @ X0) @ X2))
% 25.15/4.22          | ~ (theorem @ (or @ (not @ X2) @ X1)))),
% 25.15/4.22      inference('cnf', [status(esa)], [rule_3])).
% 25.15/4.22  thf(zip_derived_cl36, plain,
% 25.15/4.22      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i]:
% 25.15/4.22         ( (theorem @ (or @ (not @ (or @ X1 @ (or @ X2 @ X0))) @ X3))
% 25.15/4.22          | ~ (theorem @ (or @ (not @ (or @ X2 @ (or @ X1 @ X0))) @ X3)))),
% 25.15/4.22      inference('s_sup-', [status(thm)], [zip_derived_cl3, zip_derived_cl7])).
% 25.15/4.22  thf(zip_derived_cl600, plain,
% 25.15/4.22      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i]:
% 25.15/4.22         (~ (theorem @ (or @ (not @ (or @ X2 @ (or @ X4 @ X3))) @ X0))
% 25.15/4.22          |  (theorem @ 
% 25.15/4.22              (or @ (not @ (or @ X4 @ (or @ (not @ X1) @ X3))) @ 
% 25.15/4.22               (or @ (not @ (or @ X2 @ X1)) @ X0))))),
% 25.15/4.22      inference('s_sup-', [status(thm)], [zip_derived_cl94, zip_derived_cl36])).
% 25.15/4.22  thf(prove_this, conjecture,
% 25.15/4.22    (theorem @
% 25.15/4.22     ( or @
% 25.15/4.22       ( not @ ( or @ p @ ( or @ ( not @ q ) @ r ) ) ) @ 
% 25.15/4.22       ( or @ ( not @ ( or @ p @ q ) ) @ ( or @ p @ r ) ) ))).
% 25.15/4.22  thf(zf_stmt_0, negated_conjecture,
% 25.15/4.22    (~( theorem @
% 25.15/4.22        ( or @
% 25.15/4.22          ( not @ ( or @ p @ ( or @ ( not @ q ) @ r ) ) ) @ 
% 25.15/4.22          ( or @ ( not @ ( or @ p @ q ) ) @ ( or @ p @ r ) ) ) )),
% 25.15/4.22    inference('cnf.neg', [status(esa)], [prove_this])).
% 25.15/4.22  thf(zip_derived_cl8, plain,
% 25.15/4.22      (~ (theorem @ 
% 25.15/4.22          (or @ (not @ (or @ p @ (or @ (not @ q) @ r))) @ 
% 25.15/4.22           (or @ (not @ (or @ p @ q)) @ (or @ p @ r))))),
% 25.15/4.22      inference('cnf', [status(esa)], [zf_stmt_0])).
% 25.15/4.22  thf(zip_derived_cl8271, plain,
% 25.15/4.22      (~ (theorem @ (or @ (not @ (or @ p @ (or @ p @ r))) @ (or @ p @ r)))),
% 25.15/4.22      inference('s_sup-', [status(thm)], [zip_derived_cl600, zip_derived_cl8])).
% 25.15/4.22  thf(zip_derived_cl8297, plain,
% 25.15/4.22      (~ (theorem @ (or @ (not @ p) @ (or @ p @ r)))),
% 25.15/4.22      inference('s_sup-', [status(thm)],
% 25.15/4.22                [zip_derived_cl6743, zip_derived_cl8271])).
% 25.15/4.22  thf(zip_derived_cl2, plain,
% 25.15/4.22      (![X0 : $i, X1 : $i]:
% 25.15/4.22          (axiom @ (or @ (not @ (or @ X0 @ X1)) @ (or @ X1 @ X0)))),
% 25.15/4.22      inference('cnf', [status(esa)], [axiom_1_4])).
% 25.15/4.22  thf(rule_1, axiom, (( theorem @ X ) | ( ~( axiom @ X ) ))).
% 25.15/4.22  thf(zip_derived_cl5, plain, (![X0 : $i]: ( (theorem @ X0) | ~ (axiom @ X0))),
% 25.15/4.22      inference('cnf', [status(esa)], [rule_1])).
% 25.15/4.22  thf(zip_derived_cl1, plain,
% 25.15/4.22      (![X0 : $i, X1 : $i]:  (axiom @ (or @ (not @ X0) @ (or @ X1 @ X0)))),
% 25.15/4.22      inference('cnf', [status(esa)], [axiom_1_3])).
% 25.15/4.22  thf(zip_derived_cl7, plain,
% 25.15/4.22      (![X0 : $i, X1 : $i, X2 : $i]:
% 25.15/4.22         ( (theorem @ (or @ (not @ X0) @ X1))
% 25.15/4.22          | ~ (axiom @ (or @ (not @ X0) @ X2))
% 25.15/4.22          | ~ (theorem @ (or @ (not @ X2) @ X1)))),
% 25.15/4.22      inference('cnf', [status(esa)], [rule_3])).
% 25.15/4.22  thf(zip_derived_cl30, plain,
% 25.15/4.22      (![X0 : $i, X1 : $i, X2 : $i]:
% 25.15/4.22         ( (theorem @ (or @ (not @ X0) @ X2))
% 25.15/4.22          | ~ (theorem @ (or @ (not @ (or @ X1 @ X0)) @ X2)))),
% 25.15/4.22      inference('s_sup-', [status(thm)], [zip_derived_cl1, zip_derived_cl7])).
% 25.15/4.22  thf(zip_derived_cl68, plain,
% 25.15/4.22      (![X0 : $i, X1 : $i, X2 : $i]:
% 25.15/4.22         (~ (axiom @ (or @ (not @ (or @ X2 @ X1)) @ X0))
% 25.15/4.22          |  (theorem @ (or @ (not @ X1) @ X0)))),
% 25.15/4.22      inference('s_sup-', [status(thm)], [zip_derived_cl5, zip_derived_cl30])).
% 25.15/4.22  thf(zip_derived_cl249, plain,
% 25.15/4.22      (![X0 : $i, X1 : $i]:  (theorem @ (or @ (not @ X1) @ (or @ X1 @ X0)))),
% 25.15/4.22      inference('s_sup-', [status(thm)], [zip_derived_cl2, zip_derived_cl68])).
% 25.15/4.22  thf(zip_derived_cl8304, plain, ($false),
% 25.15/4.22      inference('demod', [status(thm)], [zip_derived_cl8297, zip_derived_cl249])).
% 25.15/4.22  
% 25.15/4.22  % SZS output end Refutation
% 25.15/4.22  
% 25.15/4.22  
% 25.15/4.22  % Terminating...
% 25.15/4.26  % Runner terminated.
% 25.15/4.27  % Zipperpin 1.5 exiting
%------------------------------------------------------------------------------