TSTP Solution File: LCL113-1 by Zipperpin---2.1.9999

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Zipperpin---2.1.9999
% Problem  : LCL113-1 : TPTP v8.1.2. Released v1.0.0.
% Transfm  : NO INFORMATION
% Format   : NO INFORMATION
% Command  : python3 /export/starexec/sandbox/solver/bin/portfolio.lams.parallel.py %s %d /export/starexec/sandbox/tmp/tmp.5Zl33YS5wg true

% Computer : n016.cluster.edu
% Model    : x86_64 x86_64
% CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 2.10GHz
% Memory   : 8042.1875MB
% OS       : Linux 3.10.0-693.el7.x86_64
% CPULimit : 300s
% WCLimit  : 300s
% DateTime : Thu Aug 31 08:58:15 EDT 2023

% Result   : Unsatisfiable 7.91s 1.81s
% Output   : Refutation 7.91s
% Verified : 
% SZS Type : -

% Comments : 
%------------------------------------------------------------------------------
%----WARNING: Could not form TPTP format derivation
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.14  % Problem  : LCL113-1 : TPTP v8.1.2. Released v1.0.0.
% 0.14/0.15  % Command  : python3 /export/starexec/sandbox/solver/bin/portfolio.lams.parallel.py %s %d /export/starexec/sandbox/tmp/tmp.5Zl33YS5wg true
% 0.15/0.36  % Computer : n016.cluster.edu
% 0.15/0.36  % Model    : x86_64 x86_64
% 0.15/0.36  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.15/0.36  % Memory   : 8042.1875MB
% 0.15/0.36  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.15/0.36  % CPULimit : 300
% 0.15/0.36  % WCLimit  : 300
% 0.15/0.36  % DateTime : Fri Aug 25 06:30:25 EDT 2023
% 0.21/0.36  % CPUTime  : 
% 0.21/0.36  % Running portfolio for 300 s
% 0.21/0.36  % File         : /export/starexec/sandbox/benchmark/theBenchmark.p
% 0.21/0.36  % Number of cores: 8
% 0.21/0.37  % Python version: Python 3.6.8
% 0.21/0.37  % Running in FO mode
% 0.22/0.67  % Total configuration time : 435
% 0.22/0.67  % Estimated wc time : 1092
% 0.22/0.67  % Estimated cpu time (7 cpus) : 156.0
% 0.22/0.71  % /export/starexec/sandbox/solver/bin/fo/fo6_bce.sh running for 75s
% 0.22/0.77  % /export/starexec/sandbox/solver/bin/fo/fo3_bce.sh running for 75s
% 0.22/0.78  % /export/starexec/sandbox/solver/bin/fo/fo1_av.sh running for 75s
% 0.22/0.78  % /export/starexec/sandbox/solver/bin/fo/fo7.sh running for 63s
% 0.22/0.78  % /export/starexec/sandbox/solver/bin/fo/fo13.sh running for 50s
% 0.22/0.79  % /export/starexec/sandbox/solver/bin/fo/fo4.sh running for 50s
% 0.22/0.80  % /export/starexec/sandbox/solver/bin/fo/fo5.sh running for 50s
% 7.91/1.81  % Solved by fo/fo6_bce.sh.
% 7.91/1.81  % BCE start: 6
% 7.91/1.81  % BCE eliminated: 0
% 7.91/1.81  % PE start: 6
% 7.91/1.81  logic: neq
% 7.91/1.81  % PE eliminated: 0
% 7.91/1.81  % done 585 iterations in 1.082s
% 7.91/1.81  % SZS status Theorem for '/export/starexec/sandbox/benchmark/theBenchmark.p'
% 7.91/1.81  % SZS output start Refutation
% 7.91/1.81  thf(a_type, type, a: $i).
% 7.91/1.81  thf(is_a_theorem_type, type, is_a_theorem: $i > $o).
% 7.91/1.81  thf(implies_type, type, implies: $i > $i > $i).
% 7.91/1.81  thf(not_type, type, not: $i > $i).
% 7.91/1.81  thf(b_type, type, b: $i).
% 7.91/1.81  thf(prove_mv_33, conjecture,
% 7.91/1.81    (is_a_theorem @
% 7.91/1.81     ( implies @ ( implies @ ( not @ a ) @ b ) @ ( implies @ ( not @ b ) @ a ) ))).
% 7.91/1.81  thf(zf_stmt_0, negated_conjecture,
% 7.91/1.81    (~( is_a_theorem @
% 7.91/1.81        ( implies @
% 7.91/1.81          ( implies @ ( not @ a ) @ b ) @ ( implies @ ( not @ b ) @ a ) ) )),
% 7.91/1.81    inference('cnf.neg', [status(esa)], [prove_mv_33])).
% 7.91/1.81  thf(zip_derived_cl5, plain,
% 7.91/1.81      (~ (is_a_theorem @ 
% 7.91/1.81          (implies @ (implies @ (not @ a) @ b) @ (implies @ (not @ b) @ a)))),
% 7.91/1.81      inference('cnf', [status(esa)], [zf_stmt_0])).
% 7.91/1.81  thf(mv_1, axiom, (is_a_theorem @ ( implies @ X @ ( implies @ Y @ X ) ))).
% 7.91/1.81  thf(zip_derived_cl1, plain,
% 7.91/1.81      (![X0 : $i, X1 : $i]:
% 7.91/1.81          (is_a_theorem @ (implies @ X0 @ (implies @ X1 @ X0)))),
% 7.91/1.81      inference('cnf', [status(esa)], [mv_1])).
% 7.91/1.81  thf(condensed_detachment, axiom,
% 7.91/1.81    (( ~( is_a_theorem @ ( implies @ X @ Y ) ) ) | ( ~( is_a_theorem @ X ) ) | 
% 7.91/1.81     ( is_a_theorem @ Y ))).
% 7.91/1.81  thf(zip_derived_cl0, plain,
% 7.91/1.81      (![X0 : $i, X1 : $i]:
% 7.91/1.81         (~ (is_a_theorem @ (implies @ X0 @ X1))
% 7.91/1.81          | ~ (is_a_theorem @ X0)
% 7.91/1.81          |  (is_a_theorem @ X1))),
% 7.91/1.81      inference('cnf', [status(esa)], [condensed_detachment])).
% 7.91/1.81  thf(zip_derived_cl6, plain,
% 7.91/1.81      (![X0 : $i, X1 : $i]:
% 7.91/1.81         (~ (is_a_theorem @ X0) |  (is_a_theorem @ (implies @ X1 @ X0)))),
% 7.91/1.81      inference('s_sup-', [status(thm)], [zip_derived_cl1, zip_derived_cl0])).
% 7.91/1.81  thf(mv_3, axiom,
% 7.91/1.81    (is_a_theorem @
% 7.91/1.81     ( implies @
% 7.91/1.81       ( implies @ ( implies @ X @ Y ) @ Y ) @ 
% 7.91/1.81       ( implies @ ( implies @ Y @ X ) @ X ) ))).
% 7.91/1.81  thf(zip_derived_cl3, plain,
% 7.91/1.81      (![X0 : $i, X1 : $i]:
% 7.91/1.81          (is_a_theorem @ 
% 7.91/1.81           (implies @ (implies @ (implies @ X0 @ X1) @ X1) @ 
% 7.91/1.81            (implies @ (implies @ X1 @ X0) @ X0)))),
% 7.91/1.81      inference('cnf', [status(esa)], [mv_3])).
% 7.91/1.81  thf(zip_derived_cl0, plain,
% 7.91/1.81      (![X0 : $i, X1 : $i]:
% 7.91/1.81         (~ (is_a_theorem @ (implies @ X0 @ X1))
% 7.91/1.81          | ~ (is_a_theorem @ X0)
% 7.91/1.81          |  (is_a_theorem @ X1))),
% 7.91/1.81      inference('cnf', [status(esa)], [condensed_detachment])).
% 7.91/1.81  thf(zip_derived_cl12, plain,
% 7.91/1.81      (![X0 : $i, X1 : $i]:
% 7.91/1.81         (~ (is_a_theorem @ (implies @ (implies @ X0 @ X1) @ X1))
% 7.91/1.81          |  (is_a_theorem @ (implies @ (implies @ X1 @ X0) @ X0)))),
% 7.91/1.81      inference('s_sup-', [status(thm)], [zip_derived_cl3, zip_derived_cl0])).
% 7.91/1.81  thf(zip_derived_cl13, plain,
% 7.91/1.81      (![X0 : $i, X1 : $i]:
% 7.91/1.81         (~ (is_a_theorem @ X0)
% 7.91/1.81          |  (is_a_theorem @ (implies @ (implies @ X0 @ X1) @ X1)))),
% 7.91/1.81      inference('s_sup-', [status(thm)], [zip_derived_cl6, zip_derived_cl12])).
% 7.91/1.81  thf(zip_derived_cl1, plain,
% 7.91/1.81      (![X0 : $i, X1 : $i]:
% 7.91/1.81          (is_a_theorem @ (implies @ X0 @ (implies @ X1 @ X0)))),
% 7.91/1.81      inference('cnf', [status(esa)], [mv_1])).
% 7.91/1.81  thf(mv_2, axiom,
% 7.91/1.81    (is_a_theorem @
% 7.91/1.81     ( implies @
% 7.91/1.81       ( implies @ X @ Y ) @ 
% 7.91/1.81       ( implies @ ( implies @ Y @ Z ) @ ( implies @ X @ Z ) ) ))).
% 7.91/1.81  thf(zip_derived_cl2, plain,
% 7.91/1.81      (![X0 : $i, X1 : $i, X2 : $i]:
% 7.91/1.81          (is_a_theorem @ 
% 7.91/1.81           (implies @ (implies @ X0 @ X1) @ 
% 7.91/1.81            (implies @ (implies @ X1 @ X2) @ (implies @ X0 @ X2))))),
% 7.91/1.81      inference('cnf', [status(esa)], [mv_2])).
% 7.91/1.81  thf(zip_derived_cl0, plain,
% 7.91/1.81      (![X0 : $i, X1 : $i]:
% 7.91/1.81         (~ (is_a_theorem @ (implies @ X0 @ X1))
% 7.91/1.81          | ~ (is_a_theorem @ X0)
% 7.91/1.81          |  (is_a_theorem @ X1))),
% 7.91/1.81      inference('cnf', [status(esa)], [condensed_detachment])).
% 7.91/1.81  thf(zip_derived_cl7, plain,
% 7.91/1.81      (![X0 : $i, X1 : $i, X2 : $i]:
% 7.91/1.81         (~ (is_a_theorem @ (implies @ X1 @ X2))
% 7.91/1.81          |  (is_a_theorem @ 
% 7.91/1.81              (implies @ (implies @ X2 @ X0) @ (implies @ X1 @ X0))))),
% 7.91/1.81      inference('s_sup-', [status(thm)], [zip_derived_cl2, zip_derived_cl0])).
% 7.91/1.81  thf(zip_derived_cl0, plain,
% 7.91/1.81      (![X0 : $i, X1 : $i]:
% 7.91/1.81         (~ (is_a_theorem @ (implies @ X0 @ X1))
% 7.91/1.81          | ~ (is_a_theorem @ X0)
% 7.91/1.81          |  (is_a_theorem @ X1))),
% 7.91/1.81      inference('cnf', [status(esa)], [condensed_detachment])).
% 7.91/1.81  thf(zip_derived_cl15, plain,
% 7.91/1.81      (![X0 : $i, X1 : $i, X2 : $i]:
% 7.91/1.81         (~ (is_a_theorem @ (implies @ X1 @ X2))
% 7.91/1.81          | ~ (is_a_theorem @ (implies @ X2 @ X0))
% 7.91/1.81          |  (is_a_theorem @ (implies @ X1 @ X0)))),
% 7.91/1.81      inference('s_sup-', [status(thm)], [zip_derived_cl7, zip_derived_cl0])).
% 7.91/1.81  thf(zip_derived_cl20, plain,
% 7.91/1.81      (![X0 : $i, X1 : $i, X2 : $i]:
% 7.91/1.81         (~ (is_a_theorem @ (implies @ (implies @ X1 @ X0) @ X2))
% 7.91/1.81          |  (is_a_theorem @ (implies @ X0 @ X2)))),
% 7.91/1.81      inference('s_sup-', [status(thm)], [zip_derived_cl1, zip_derived_cl15])).
% 7.91/1.81  thf(zip_derived_cl38, plain,
% 7.91/1.81      (![X0 : $i, X1 : $i]:
% 7.91/1.81         (~ (is_a_theorem @ X1) |  (is_a_theorem @ (implies @ X0 @ X0)))),
% 7.91/1.81      inference('s_sup-', [status(thm)], [zip_derived_cl13, zip_derived_cl20])).
% 7.91/1.81  thf(zip_derived_cl1, plain,
% 7.91/1.81      (![X0 : $i, X1 : $i]:
% 7.91/1.81          (is_a_theorem @ (implies @ X0 @ (implies @ X1 @ X0)))),
% 7.91/1.81      inference('cnf', [status(esa)], [mv_1])).
% 7.91/1.81  thf(zip_derived_cl54, plain,
% 7.91/1.81      (![X2 : $i]:  (is_a_theorem @ (implies @ X2 @ X2))),
% 7.91/1.81      inference('s_sup+', [status(thm)], [zip_derived_cl38, zip_derived_cl1])).
% 7.91/1.81  thf(mv_5, axiom,
% 7.91/1.81    (is_a_theorem @
% 7.91/1.81     ( implies @ ( implies @ ( not @ X ) @ ( not @ Y ) ) @ ( implies @ Y @ X ) ))).
% 7.91/1.81  thf(zip_derived_cl4, plain,
% 7.91/1.81      (![X0 : $i, X1 : $i]:
% 7.91/1.81          (is_a_theorem @ 
% 7.91/1.81           (implies @ (implies @ (not @ X0) @ (not @ X1)) @ (implies @ X1 @ X0)))),
% 7.91/1.81      inference('cnf', [status(esa)], [mv_5])).
% 7.91/1.81  thf(zip_derived_cl6, plain,
% 7.91/1.81      (![X0 : $i, X1 : $i]:
% 7.91/1.81         (~ (is_a_theorem @ X0) |  (is_a_theorem @ (implies @ X1 @ X0)))),
% 7.91/1.81      inference('s_sup-', [status(thm)], [zip_derived_cl1, zip_derived_cl0])).
% 7.91/1.81  thf(zip_derived_cl15, plain,
% 7.91/1.81      (![X0 : $i, X1 : $i, X2 : $i]:
% 7.91/1.81         (~ (is_a_theorem @ (implies @ X1 @ X2))
% 7.91/1.81          | ~ (is_a_theorem @ (implies @ X2 @ X0))
% 7.91/1.81          |  (is_a_theorem @ (implies @ X1 @ X0)))),
% 7.91/1.81      inference('s_sup-', [status(thm)], [zip_derived_cl7, zip_derived_cl0])).
% 7.91/1.81  thf(zip_derived_cl19, plain,
% 7.91/1.81      (![X0 : $i, X1 : $i, X2 : $i]:
% 7.91/1.81         (~ (is_a_theorem @ X0)
% 7.91/1.81          | ~ (is_a_theorem @ (implies @ X0 @ X2))
% 7.91/1.81          |  (is_a_theorem @ (implies @ X1 @ X2)))),
% 7.91/1.81      inference('s_sup-', [status(thm)], [zip_derived_cl6, zip_derived_cl15])).
% 7.91/1.81  thf(zip_derived_cl33, plain,
% 7.91/1.81      (![X0 : $i, X1 : $i, X2 : $i]:
% 7.91/1.81         (~ (is_a_theorem @ (implies @ (not @ X0) @ (not @ X1)))
% 7.91/1.81          |  (is_a_theorem @ (implies @ X2 @ (implies @ X1 @ X0))))),
% 7.91/1.81      inference('s_sup-', [status(thm)], [zip_derived_cl4, zip_derived_cl19])).
% 7.91/1.81  thf(zip_derived_cl198, plain,
% 7.91/1.81      (![X0 : $i, X1 : $i]:
% 7.91/1.81          (is_a_theorem @ (implies @ X1 @ (implies @ X0 @ X0)))),
% 7.91/1.81      inference('s_sup-', [status(thm)], [zip_derived_cl54, zip_derived_cl33])).
% 7.91/1.81  thf(zip_derived_cl12, plain,
% 7.91/1.81      (![X0 : $i, X1 : $i]:
% 7.91/1.81         (~ (is_a_theorem @ (implies @ (implies @ X0 @ X1) @ X1))
% 7.91/1.81          |  (is_a_theorem @ (implies @ (implies @ X1 @ X0) @ X0)))),
% 7.91/1.81      inference('s_sup-', [status(thm)], [zip_derived_cl3, zip_derived_cl0])).
% 7.91/1.81  thf(zip_derived_cl204, plain,
% 7.91/1.81      (![X0 : $i, X1 : $i]:
% 7.91/1.81          (is_a_theorem @ (implies @ (implies @ (implies @ X0 @ X0) @ X1) @ X1))),
% 7.91/1.81      inference('s_sup-', [status(thm)], [zip_derived_cl198, zip_derived_cl12])).
% 7.91/1.81  thf(zip_derived_cl4, plain,
% 7.91/1.81      (![X0 : $i, X1 : $i]:
% 7.91/1.81          (is_a_theorem @ 
% 7.91/1.81           (implies @ (implies @ (not @ X0) @ (not @ X1)) @ (implies @ X1 @ X0)))),
% 7.91/1.81      inference('cnf', [status(esa)], [mv_5])).
% 7.91/1.81  thf(zip_derived_cl15, plain,
% 7.91/1.81      (![X0 : $i, X1 : $i, X2 : $i]:
% 7.91/1.81         (~ (is_a_theorem @ (implies @ X1 @ X2))
% 7.91/1.81          | ~ (is_a_theorem @ (implies @ X2 @ X0))
% 7.91/1.81          |  (is_a_theorem @ (implies @ X1 @ X0)))),
% 7.91/1.81      inference('s_sup-', [status(thm)], [zip_derived_cl7, zip_derived_cl0])).
% 7.91/1.81  thf(zip_derived_cl24, plain,
% 7.91/1.81      (![X0 : $i, X1 : $i, X2 : $i]:
% 7.91/1.81         (~ (is_a_theorem @ (implies @ (implies @ X1 @ X0) @ X2))
% 7.91/1.81          |  (is_a_theorem @ 
% 7.91/1.81              (implies @ (implies @ (not @ X0) @ (not @ X1)) @ X2)))),
% 7.91/1.81      inference('s_sup-', [status(thm)], [zip_derived_cl4, zip_derived_cl15])).
% 7.91/1.81  thf(zip_derived_cl13, plain,
% 7.91/1.81      (![X0 : $i, X1 : $i]:
% 7.91/1.81         (~ (is_a_theorem @ X0)
% 7.91/1.81          |  (is_a_theorem @ (implies @ (implies @ X0 @ X1) @ X1)))),
% 7.91/1.81      inference('s_sup-', [status(thm)], [zip_derived_cl6, zip_derived_cl12])).
% 7.91/1.81  thf(zip_derived_cl2, plain,
% 7.91/1.81      (![X0 : $i, X1 : $i, X2 : $i]:
% 7.91/1.81          (is_a_theorem @ 
% 7.91/1.81           (implies @ (implies @ X0 @ X1) @ 
% 7.91/1.81            (implies @ (implies @ X1 @ X2) @ (implies @ X0 @ X2))))),
% 7.91/1.81      inference('cnf', [status(esa)], [mv_2])).
% 7.91/1.81  thf(zip_derived_cl15, plain,
% 7.91/1.81      (![X0 : $i, X1 : $i, X2 : $i]:
% 7.91/1.81         (~ (is_a_theorem @ (implies @ X1 @ X2))
% 7.91/1.81          | ~ (is_a_theorem @ (implies @ X2 @ X0))
% 7.91/1.81          |  (is_a_theorem @ (implies @ X1 @ X0)))),
% 7.91/1.81      inference('s_sup-', [status(thm)], [zip_derived_cl7, zip_derived_cl0])).
% 7.91/1.81  thf(zip_derived_cl22, plain,
% 7.91/1.81      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i]:
% 7.91/1.81         (~ (is_a_theorem @ 
% 7.91/1.81             (implies @ 
% 7.91/1.81              (implies @ (implies @ X2 @ X0) @ (implies @ X1 @ X0)) @ X3))
% 7.91/1.81          |  (is_a_theorem @ (implies @ (implies @ X1 @ X2) @ X3)))),
% 7.91/1.81      inference('s_sup-', [status(thm)], [zip_derived_cl2, zip_derived_cl15])).
% 7.91/1.81  thf(zip_derived_cl87, plain,
% 7.91/1.81      (![X0 : $i, X1 : $i, X2 : $i]:
% 7.91/1.81         (~ (is_a_theorem @ (implies @ X2 @ X0))
% 7.91/1.81          |  (is_a_theorem @ 
% 7.91/1.81              (implies @ (implies @ X1 @ X2) @ (implies @ X1 @ X0))))),
% 7.91/1.81      inference('s_sup-', [status(thm)], [zip_derived_cl13, zip_derived_cl22])).
% 7.91/1.81  thf(zip_derived_cl54, plain,
% 7.91/1.81      (![X2 : $i]:  (is_a_theorem @ (implies @ X2 @ X2))),
% 7.91/1.81      inference('s_sup+', [status(thm)], [zip_derived_cl38, zip_derived_cl1])).
% 7.91/1.81  thf(zip_derived_cl4, plain,
% 7.91/1.81      (![X0 : $i, X1 : $i]:
% 7.91/1.81          (is_a_theorem @ 
% 7.91/1.81           (implies @ (implies @ (not @ X0) @ (not @ X1)) @ (implies @ X1 @ X0)))),
% 7.91/1.81      inference('cnf', [status(esa)], [mv_5])).
% 7.91/1.81  thf(zip_derived_cl20, plain,
% 7.91/1.81      (![X0 : $i, X1 : $i, X2 : $i]:
% 7.91/1.81         (~ (is_a_theorem @ (implies @ (implies @ X1 @ X0) @ X2))
% 7.91/1.81          |  (is_a_theorem @ (implies @ X0 @ X2)))),
% 7.91/1.81      inference('s_sup-', [status(thm)], [zip_derived_cl1, zip_derived_cl15])).
% 7.91/1.81  thf(zip_derived_cl41, plain,
% 7.91/1.81      (![X0 : $i, X1 : $i]:
% 7.91/1.81          (is_a_theorem @ (implies @ (not @ X1) @ (implies @ X1 @ X0)))),
% 7.91/1.81      inference('s_sup-', [status(thm)], [zip_derived_cl4, zip_derived_cl20])).
% 7.91/1.81  thf(zip_derived_cl7, plain,
% 7.91/1.81      (![X0 : $i, X1 : $i, X2 : $i]:
% 7.91/1.81         (~ (is_a_theorem @ (implies @ X1 @ X2))
% 7.91/1.81          |  (is_a_theorem @ 
% 7.91/1.81              (implies @ (implies @ X2 @ X0) @ (implies @ X1 @ X0))))),
% 7.91/1.81      inference('s_sup-', [status(thm)], [zip_derived_cl2, zip_derived_cl0])).
% 7.91/1.81  thf(zip_derived_cl15, plain,
% 7.91/1.81      (![X0 : $i, X1 : $i, X2 : $i]:
% 7.91/1.81         (~ (is_a_theorem @ (implies @ X1 @ X2))
% 7.91/1.81          | ~ (is_a_theorem @ (implies @ X2 @ X0))
% 7.91/1.81          |  (is_a_theorem @ (implies @ X1 @ X0)))),
% 7.91/1.81      inference('s_sup-', [status(thm)], [zip_derived_cl7, zip_derived_cl0])).
% 7.91/1.81  thf(zip_derived_cl25, plain,
% 7.91/1.81      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i]:
% 7.91/1.81         (~ (is_a_theorem @ (implies @ X1 @ X2))
% 7.91/1.81          | ~ (is_a_theorem @ (implies @ (implies @ X1 @ X0) @ X3))
% 7.91/1.81          |  (is_a_theorem @ (implies @ (implies @ X2 @ X0) @ X3)))),
% 7.91/1.81      inference('s_sup-', [status(thm)], [zip_derived_cl7, zip_derived_cl15])).
% 7.91/1.81  thf(zip_derived_cl144, plain,
% 7.91/1.81      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i]:
% 7.91/1.81         (~ (is_a_theorem @ (implies @ (implies @ (not @ X1) @ X3) @ X2))
% 7.91/1.81          |  (is_a_theorem @ 
% 7.91/1.81              (implies @ (implies @ (implies @ X1 @ X0) @ X3) @ X2)))),
% 7.91/1.81      inference('s_sup-', [status(thm)], [zip_derived_cl41, zip_derived_cl25])).
% 7.91/1.81  thf(zip_derived_cl155, plain,
% 7.91/1.81      (![X0 : $i, X1 : $i, X2 : $i]:
% 7.91/1.81          (is_a_theorem @ 
% 7.91/1.81           (implies @ (implies @ (implies @ X1 @ X2) @ X0) @ 
% 7.91/1.81            (implies @ (not @ X1) @ X0)))),
% 7.91/1.81      inference('s_sup-', [status(thm)], [zip_derived_cl54, zip_derived_cl144])).
% 7.91/1.81  thf(zip_derived_cl22, plain,
% 7.91/1.81      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i]:
% 7.91/1.81         (~ (is_a_theorem @ 
% 7.91/1.81             (implies @ 
% 7.91/1.81              (implies @ (implies @ X2 @ X0) @ (implies @ X1 @ X0)) @ X3))
% 7.91/1.81          |  (is_a_theorem @ (implies @ (implies @ X1 @ X2) @ X3)))),
% 7.91/1.81      inference('s_sup-', [status(thm)], [zip_derived_cl2, zip_derived_cl15])).
% 7.91/1.81  thf(zip_derived_cl185, plain,
% 7.91/1.81      (![X0 : $i, X1 : $i, X2 : $i]:
% 7.91/1.81          (is_a_theorem @ 
% 7.91/1.81           (implies @ (implies @ X1 @ X2) @ 
% 7.91/1.81            (implies @ (not @ X2) @ (implies @ X1 @ X0))))),
% 7.91/1.81      inference('s_sup-', [status(thm)], [zip_derived_cl155, zip_derived_cl22])).
% 7.91/1.81  thf(zip_derived_cl15, plain,
% 7.91/1.81      (![X0 : $i, X1 : $i, X2 : $i]:
% 7.91/1.81         (~ (is_a_theorem @ (implies @ X1 @ X2))
% 7.91/1.81          | ~ (is_a_theorem @ (implies @ X2 @ X0))
% 7.91/1.81          |  (is_a_theorem @ (implies @ X1 @ X0)))),
% 7.91/1.81      inference('s_sup-', [status(thm)], [zip_derived_cl7, zip_derived_cl0])).
% 7.91/1.81  thf(zip_derived_cl219, plain,
% 7.91/1.81      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i]:
% 7.91/1.81         (~ (is_a_theorem @ 
% 7.91/1.81             (implies @ (implies @ (not @ X2) @ (implies @ X1 @ X0)) @ X3))
% 7.91/1.81          |  (is_a_theorem @ (implies @ (implies @ X1 @ X2) @ X3)))),
% 7.91/1.81      inference('s_sup-', [status(thm)], [zip_derived_cl185, zip_derived_cl15])).
% 7.91/1.81  thf(zip_derived_cl3999, plain,
% 7.91/1.81      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i]:
% 7.91/1.81         (~ (is_a_theorem @ (implies @ (implies @ X3 @ X2) @ X0))
% 7.91/1.81          |  (is_a_theorem @ 
% 7.91/1.81              (implies @ (implies @ X3 @ X1) @ (implies @ (not @ X1) @ X0))))),
% 7.91/1.81      inference('s_sup-', [status(thm)], [zip_derived_cl87, zip_derived_cl219])).
% 7.91/1.81  thf(zip_derived_cl4134, plain,
% 7.91/1.81      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i]:
% 7.91/1.81         (~ (is_a_theorem @ (implies @ (implies @ X1 @ X2) @ X0))
% 7.91/1.81          |  (is_a_theorem @ 
% 7.91/1.81              (implies @ (implies @ (not @ X2) @ X3) @ 
% 7.91/1.81               (implies @ (not @ X3) @ X0))))),
% 7.91/1.81      inference('s_sup-', [status(thm)], [zip_derived_cl24, zip_derived_cl3999])).
% 7.91/1.81  thf(zip_derived_cl4558, plain,
% 7.91/1.81      (![X0 : $i, X2 : $i]:
% 7.91/1.81          (is_a_theorem @ 
% 7.91/1.81           (implies @ (implies @ (not @ X0) @ X2) @ (implies @ (not @ X2) @ X0)))),
% 7.91/1.81      inference('s_sup-', [status(thm)],
% 7.91/1.81                [zip_derived_cl204, zip_derived_cl4134])).
% 7.91/1.81  thf(zip_derived_cl4777, plain, ($false),
% 7.91/1.81      inference('demod', [status(thm)], [zip_derived_cl5, zip_derived_cl4558])).
% 7.91/1.81  
% 7.91/1.81  % SZS output end Refutation
% 7.91/1.81  
% 7.91/1.81  
% 7.91/1.81  % Terminating...
% 8.51/1.87  % Runner terminated.
% 8.51/1.89  % Zipperpin 1.5 exiting
%------------------------------------------------------------------------------