TSTP Solution File: GRP105-1 by Zipperpin---2.1.9999

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Zipperpin---2.1.9999
% Problem  : GRP105-1 : TPTP v8.1.2. Bugfixed v2.7.0.
% Transfm  : NO INFORMATION
% Format   : NO INFORMATION
% Command  : python3 /export/starexec/sandbox/solver/bin/portfolio.lams.parallel.py %s %d /export/starexec/sandbox/tmp/tmp.31L1DJHj51 true

% Computer : n023.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 01:49:56 EDT 2023

% Result   : Unsatisfiable 21.13s 3.64s
% Output   : Refutation 21.13s
% Verified : 
% SZS Type : -

% Comments : 
%------------------------------------------------------------------------------
%----WARNING: Could not form TPTP format derivation
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.12  % Problem  : GRP105-1 : TPTP v8.1.2. Bugfixed v2.7.0.
% 0.12/0.13  % Command  : python3 /export/starexec/sandbox/solver/bin/portfolio.lams.parallel.py %s %d /export/starexec/sandbox/tmp/tmp.31L1DJHj51 true
% 0.13/0.34  % Computer : n023.cluster.edu
% 0.13/0.34  % Model    : x86_64 x86_64
% 0.13/0.34  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.13/0.34  % Memory   : 8042.1875MB
% 0.13/0.34  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.19/0.34  % CPULimit : 300
% 0.19/0.34  % WCLimit  : 300
% 0.19/0.34  % DateTime : Mon Aug 28 21:27:10 EDT 2023
% 0.19/0.34  % CPUTime  : 
% 0.19/0.34  % Running portfolio for 300 s
% 0.19/0.34  % File         : /export/starexec/sandbox/benchmark/theBenchmark.p
% 0.19/0.34  % Number of cores: 8
% 0.19/0.34  % Python version: Python 3.6.8
% 0.19/0.35  % Running in FO mode
% 0.53/0.65  % Total configuration time : 435
% 0.53/0.65  % Estimated wc time : 1092
% 0.53/0.65  % Estimated cpu time (7 cpus) : 156.0
% 0.53/0.69  % /export/starexec/sandbox/solver/bin/fo/fo6_bce.sh running for 75s
% 0.53/0.70  % /export/starexec/sandbox/solver/bin/fo/fo3_bce.sh running for 75s
% 0.54/0.73  % /export/starexec/sandbox/solver/bin/fo/fo1_av.sh running for 75s
% 0.54/0.74  % /export/starexec/sandbox/solver/bin/fo/fo7.sh running for 63s
% 0.54/0.74  % /export/starexec/sandbox/solver/bin/fo/fo13.sh running for 50s
% 0.54/0.74  % /export/starexec/sandbox/solver/bin/fo/fo5.sh running for 50s
% 0.54/0.74  % /export/starexec/sandbox/solver/bin/fo/fo4.sh running for 50s
% 21.13/3.64  % Solved by fo/fo4.sh.
% 21.13/3.64  % done 1185 iterations in 2.867s
% 21.13/3.64  % SZS status Theorem for '/export/starexec/sandbox/benchmark/theBenchmark.p'
% 21.13/3.64  % SZS output start Refutation
% 21.13/3.64  thf(b3_type, type, b3: $i).
% 21.13/3.64  thf(multiply_type, type, multiply: $i > $i > $i).
% 21.13/3.64  thf(b1_type, type, b1: $i).
% 21.13/3.64  thf(inverse_type, type, inverse: $i > $i).
% 21.13/3.64  thf(a4_type, type, a4: $i).
% 21.13/3.64  thf(a3_type, type, a3: $i).
% 21.13/3.64  thf(a2_type, type, a2: $i).
% 21.13/3.64  thf(double_divide_type, type, double_divide: $i > $i > $i).
% 21.13/3.64  thf(a1_type, type, a1: $i).
% 21.13/3.64  thf(b2_type, type, b2: $i).
% 21.13/3.64  thf(b4_type, type, b4: $i).
% 21.13/3.64  thf(c3_type, type, c3: $i).
% 21.13/3.64  thf(prove_these_axioms, conjecture,
% 21.13/3.64    (~( ( ( multiply @ a4 @ b4 ) != ( multiply @ b4 @ a4 ) ) | 
% 21.13/3.64        ( ( multiply @ ( multiply @ a3 @ b3 ) @ c3 ) !=
% 21.13/3.64          ( multiply @ a3 @ ( multiply @ b3 @ c3 ) ) ) | 
% 21.13/3.64        ( ( multiply @ ( multiply @ ( inverse @ b2 ) @ b2 ) @ a2 ) != ( a2 ) ) | 
% 21.13/3.64        ( ( multiply @ ( inverse @ a1 ) @ a1 ) !=
% 21.13/3.64          ( multiply @ ( inverse @ b1 ) @ b1 ) ) ))).
% 21.13/3.64  thf(zf_stmt_0, negated_conjecture,
% 21.13/3.64    (( ( multiply @ a4 @ b4 ) != ( multiply @ b4 @ a4 ) ) | 
% 21.13/3.64     ( ( multiply @ ( multiply @ a3 @ b3 ) @ c3 ) !=
% 21.13/3.64       ( multiply @ a3 @ ( multiply @ b3 @ c3 ) ) ) | 
% 21.13/3.64     ( ( multiply @ ( multiply @ ( inverse @ b2 ) @ b2 ) @ a2 ) != ( a2 ) ) | 
% 21.13/3.64     ( ( multiply @ ( inverse @ a1 ) @ a1 ) !=
% 21.13/3.64       ( multiply @ ( inverse @ b1 ) @ b1 ) )),
% 21.13/3.64    inference('cnf.neg', [status(esa)], [prove_these_axioms])).
% 21.13/3.64  thf(zip_derived_cl2, plain,
% 21.13/3.64      ((((multiply @ a4 @ b4) != (multiply @ b4 @ a4))
% 21.13/3.64        | ((multiply @ (multiply @ a3 @ b3) @ c3)
% 21.13/3.64            != (multiply @ a3 @ (multiply @ b3 @ c3)))
% 21.13/3.64        | ((multiply @ (multiply @ (inverse @ b2) @ b2) @ a2) != (a2))
% 21.13/3.64        | ((multiply @ (inverse @ a1) @ a1) != (multiply @ (inverse @ b1) @ b1)))),
% 21.13/3.64      inference('cnf', [status(esa)], [zf_stmt_0])).
% 21.13/3.64  thf(multiply, axiom,
% 21.13/3.64    (( multiply @ X @ Y ) = ( inverse @ ( double_divide @ Y @ X ) ))).
% 21.13/3.64  thf(zip_derived_cl1, plain,
% 21.13/3.64      (![X0 : $i, X1 : $i]:
% 21.13/3.64         ((multiply @ X1 @ X0) = (inverse @ (double_divide @ X0 @ X1)))),
% 21.13/3.64      inference('cnf', [status(esa)], [multiply])).
% 21.13/3.64  thf(zip_derived_cl1, plain,
% 21.13/3.64      (![X0 : $i, X1 : $i]:
% 21.13/3.64         ((multiply @ X1 @ X0) = (inverse @ (double_divide @ X0 @ X1)))),
% 21.13/3.64      inference('cnf', [status(esa)], [multiply])).
% 21.13/3.64  thf(zip_derived_cl1, plain,
% 21.13/3.64      (![X0 : $i, X1 : $i]:
% 21.13/3.64         ((multiply @ X1 @ X0) = (inverse @ (double_divide @ X0 @ X1)))),
% 21.13/3.64      inference('cnf', [status(esa)], [multiply])).
% 21.13/3.64  thf(zip_derived_cl1, plain,
% 21.13/3.64      (![X0 : $i, X1 : $i]:
% 21.13/3.64         ((multiply @ X1 @ X0) = (inverse @ (double_divide @ X0 @ X1)))),
% 21.13/3.64      inference('cnf', [status(esa)], [multiply])).
% 21.13/3.64  thf(zip_derived_cl1, plain,
% 21.13/3.64      (![X0 : $i, X1 : $i]:
% 21.13/3.64         ((multiply @ X1 @ X0) = (inverse @ (double_divide @ X0 @ X1)))),
% 21.13/3.64      inference('cnf', [status(esa)], [multiply])).
% 21.13/3.64  thf(zip_derived_cl1, plain,
% 21.13/3.64      (![X0 : $i, X1 : $i]:
% 21.13/3.64         ((multiply @ X1 @ X0) = (inverse @ (double_divide @ X0 @ X1)))),
% 21.13/3.64      inference('cnf', [status(esa)], [multiply])).
% 21.13/3.64  thf(zip_derived_cl1, plain,
% 21.13/3.64      (![X0 : $i, X1 : $i]:
% 21.13/3.64         ((multiply @ X1 @ X0) = (inverse @ (double_divide @ X0 @ X1)))),
% 21.13/3.64      inference('cnf', [status(esa)], [multiply])).
% 21.13/3.64  thf(zip_derived_cl1, plain,
% 21.13/3.64      (![X0 : $i, X1 : $i]:
% 21.13/3.64         ((multiply @ X1 @ X0) = (inverse @ (double_divide @ X0 @ X1)))),
% 21.13/3.64      inference('cnf', [status(esa)], [multiply])).
% 21.13/3.64  thf(zip_derived_cl1, plain,
% 21.13/3.64      (![X0 : $i, X1 : $i]:
% 21.13/3.64         ((multiply @ X1 @ X0) = (inverse @ (double_divide @ X0 @ X1)))),
% 21.13/3.64      inference('cnf', [status(esa)], [multiply])).
% 21.13/3.64  thf(zip_derived_cl1, plain,
% 21.13/3.64      (![X0 : $i, X1 : $i]:
% 21.13/3.64         ((multiply @ X1 @ X0) = (inverse @ (double_divide @ X0 @ X1)))),
% 21.13/3.64      inference('cnf', [status(esa)], [multiply])).
% 21.13/3.64  thf(zip_derived_cl3, plain,
% 21.13/3.64      ((((inverse @ (double_divide @ b4 @ a4))
% 21.13/3.64          != (inverse @ (double_divide @ a4 @ b4)))
% 21.13/3.64        | ((inverse @ 
% 21.13/3.64            (double_divide @ c3 @ (inverse @ (double_divide @ b3 @ a3))))
% 21.13/3.64            != (inverse @ 
% 21.13/3.64                (double_divide @ (inverse @ (double_divide @ c3 @ b3)) @ a3)))
% 21.13/3.64        | ((inverse @ 
% 21.13/3.64            (double_divide @ a2 @ 
% 21.13/3.64             (inverse @ (double_divide @ b2 @ (inverse @ b2)))))
% 21.13/3.64            != (a2))
% 21.13/3.64        | ((inverse @ (double_divide @ a1 @ (inverse @ a1)))
% 21.13/3.64            != (inverse @ (double_divide @ b1 @ (inverse @ b1)))))),
% 21.13/3.64      inference('demod', [status(thm)],
% 21.13/3.64                [zip_derived_cl2, zip_derived_cl1, zip_derived_cl1, 
% 21.13/3.64                 zip_derived_cl1, zip_derived_cl1, zip_derived_cl1, 
% 21.13/3.64                 zip_derived_cl1, zip_derived_cl1, zip_derived_cl1, 
% 21.13/3.64                 zip_derived_cl1, zip_derived_cl1])).
% 21.13/3.64  thf(single_axiom, axiom,
% 21.13/3.64    (( double_divide @
% 21.13/3.64       ( inverse @
% 21.13/3.64         ( double_divide @
% 21.13/3.64           ( double_divide @ X @ Y ) @ 
% 21.13/3.64           ( inverse @ ( double_divide @ X @ ( inverse @ Z ) ) ) ) ) @ 
% 21.13/3.64       Y ) =
% 21.13/3.64     ( Z ))).
% 21.13/3.64  thf(zip_derived_cl0, plain,
% 21.13/3.64      (![X0 : $i, X1 : $i, X2 : $i]:
% 21.13/3.64         ((double_divide @ 
% 21.13/3.64           (inverse @ 
% 21.13/3.64            (double_divide @ (double_divide @ X1 @ X2) @ 
% 21.13/3.64             (inverse @ (double_divide @ X1 @ (inverse @ X0))))) @ 
% 21.13/3.64           X2) = (X0))),
% 21.13/3.64      inference('cnf', [status(esa)], [single_axiom])).
% 21.13/3.64  thf(zip_derived_cl0, plain,
% 21.13/3.64      (![X0 : $i, X1 : $i, X2 : $i]:
% 21.13/3.64         ((double_divide @ 
% 21.13/3.64           (inverse @ 
% 21.13/3.64            (double_divide @ (double_divide @ X1 @ X2) @ 
% 21.13/3.64             (inverse @ (double_divide @ X1 @ (inverse @ X0))))) @ 
% 21.13/3.64           X2) = (X0))),
% 21.13/3.64      inference('cnf', [status(esa)], [single_axiom])).
% 21.13/3.64  thf(zip_derived_cl0, plain,
% 21.13/3.64      (![X0 : $i, X1 : $i, X2 : $i]:
% 21.13/3.64         ((double_divide @ 
% 21.13/3.64           (inverse @ 
% 21.13/3.64            (double_divide @ (double_divide @ X1 @ X2) @ 
% 21.13/3.64             (inverse @ (double_divide @ X1 @ (inverse @ X0))))) @ 
% 21.13/3.64           X2) = (X0))),
% 21.13/3.64      inference('cnf', [status(esa)], [single_axiom])).
% 21.13/3.64  thf(zip_derived_cl4, plain,
% 21.13/3.64      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i]:
% 21.13/3.64         ((double_divide @ 
% 21.13/3.64           (inverse @ 
% 21.13/3.64            (double_divide @ X0 @ 
% 21.13/3.64             (inverse @ 
% 21.13/3.64              (double_divide @ 
% 21.13/3.64               (inverse @ 
% 21.13/3.64                (double_divide @ (double_divide @ X3 @ X2) @ 
% 21.13/3.64                 (inverse @ (double_divide @ X3 @ (inverse @ X0))))) @ 
% 21.13/3.64               (inverse @ X1))))) @ 
% 21.13/3.64           X2) = (X1))),
% 21.13/3.64      inference('sup+', [status(thm)], [zip_derived_cl0, zip_derived_cl0])).
% 21.13/3.64  thf(zip_derived_cl12, plain,
% 21.13/3.64      (![X0 : $i, X1 : $i]:
% 21.13/3.64         ((double_divide @ (inverse @ (double_divide @ X0 @ (inverse @ X0))) @ 
% 21.13/3.64           (inverse @ X1)) = (X1))),
% 21.13/3.64      inference('sup+', [status(thm)], [zip_derived_cl0, zip_derived_cl4])).
% 21.13/3.64  thf(zip_derived_cl4, plain,
% 21.13/3.64      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i]:
% 21.13/3.64         ((double_divide @ 
% 21.13/3.64           (inverse @ 
% 21.13/3.64            (double_divide @ X0 @ 
% 21.13/3.64             (inverse @ 
% 21.13/3.64              (double_divide @ 
% 21.13/3.64               (inverse @ 
% 21.13/3.64                (double_divide @ (double_divide @ X3 @ X2) @ 
% 21.13/3.64                 (inverse @ (double_divide @ X3 @ (inverse @ X0))))) @ 
% 21.13/3.64               (inverse @ X1))))) @ 
% 21.13/3.64           X2) = (X1))),
% 21.13/3.64      inference('sup+', [status(thm)], [zip_derived_cl0, zip_derived_cl0])).
% 21.13/3.64  thf(zip_derived_cl23, plain,
% 21.13/3.64      (![X0 : $i, X1 : $i]:
% 21.13/3.64         ((double_divide @ (inverse @ (double_divide @ X1 @ (inverse @ X0))) @ 
% 21.13/3.64           (inverse @ X1)) = (X0))),
% 21.13/3.64      inference('sup+', [status(thm)], [zip_derived_cl12, zip_derived_cl4])).
% 21.13/3.64  thf(zip_derived_cl23, plain,
% 21.13/3.64      (![X0 : $i, X1 : $i]:
% 21.13/3.64         ((double_divide @ (inverse @ (double_divide @ X1 @ (inverse @ X0))) @ 
% 21.13/3.64           (inverse @ X1)) = (X0))),
% 21.13/3.64      inference('sup+', [status(thm)], [zip_derived_cl12, zip_derived_cl4])).
% 21.13/3.64  thf(zip_derived_cl30, plain,
% 21.13/3.64      (![X0 : $i, X1 : $i]:
% 21.13/3.64         ((double_divide @ (inverse @ X0) @ 
% 21.13/3.64           (inverse @ (inverse @ (double_divide @ X1 @ (inverse @ X0)))))
% 21.13/3.64           = (X1))),
% 21.13/3.64      inference('sup+', [status(thm)], [zip_derived_cl23, zip_derived_cl23])).
% 21.13/3.64  thf(zip_derived_cl12, plain,
% 21.13/3.64      (![X0 : $i, X1 : $i]:
% 21.13/3.64         ((double_divide @ (inverse @ (double_divide @ X0 @ (inverse @ X0))) @ 
% 21.13/3.64           (inverse @ X1)) = (X1))),
% 21.13/3.64      inference('sup+', [status(thm)], [zip_derived_cl0, zip_derived_cl4])).
% 21.13/3.64  thf(zip_derived_cl57, plain,
% 21.13/3.64      (![X0 : $i, X1 : $i]:
% 21.13/3.64         ((X0)
% 21.13/3.64           = (inverse @ 
% 21.13/3.64              (double_divide @ X0 @ 
% 21.13/3.64               (inverse @ (double_divide @ X1 @ (inverse @ X1))))))),
% 21.13/3.64      inference('sup+', [status(thm)], [zip_derived_cl30, zip_derived_cl12])).
% 21.13/3.64  thf(zip_derived_cl95, plain,
% 21.13/3.64      ((((inverse @ (double_divide @ b4 @ a4))
% 21.13/3.64          != (inverse @ (double_divide @ a4 @ b4)))
% 21.13/3.64        | ((inverse @ 
% 21.13/3.64            (double_divide @ c3 @ (inverse @ (double_divide @ b3 @ a3))))
% 21.13/3.64            != (inverse @ 
% 21.13/3.64                (double_divide @ (inverse @ (double_divide @ c3 @ b3)) @ a3)))
% 21.13/3.64        | ((a2) != (a2))
% 21.13/3.64        | ((inverse @ (double_divide @ a1 @ (inverse @ a1)))
% 21.13/3.64            != (inverse @ (double_divide @ b1 @ (inverse @ b1)))))),
% 21.13/3.64      inference('demod', [status(thm)], [zip_derived_cl3, zip_derived_cl57])).
% 21.13/3.64  thf(zip_derived_cl96, plain,
% 21.13/3.64      ((((inverse @ (double_divide @ a1 @ (inverse @ a1)))
% 21.13/3.64          != (inverse @ (double_divide @ b1 @ (inverse @ b1))))
% 21.13/3.64        | ((inverse @ 
% 21.13/3.64            (double_divide @ c3 @ (inverse @ (double_divide @ b3 @ a3))))
% 21.13/3.64            != (inverse @ 
% 21.13/3.64                (double_divide @ (inverse @ (double_divide @ c3 @ b3)) @ a3)))
% 21.13/3.64        | ((inverse @ (double_divide @ b4 @ a4))
% 21.13/3.64            != (inverse @ (double_divide @ a4 @ b4))))),
% 21.13/3.64      inference('simplify', [status(thm)], [zip_derived_cl95])).
% 21.13/3.64  thf(zip_derived_cl57, plain,
% 21.13/3.64      (![X0 : $i, X1 : $i]:
% 21.13/3.64         ((X0)
% 21.13/3.64           = (inverse @ 
% 21.13/3.64              (double_divide @ X0 @ 
% 21.13/3.64               (inverse @ (double_divide @ X1 @ (inverse @ X1))))))),
% 21.13/3.64      inference('sup+', [status(thm)], [zip_derived_cl30, zip_derived_cl12])).
% 21.13/3.64  thf(zip_derived_cl0, plain,
% 21.13/3.64      (![X0 : $i, X1 : $i, X2 : $i]:
% 21.13/3.64         ((double_divide @ 
% 21.13/3.64           (inverse @ 
% 21.13/3.64            (double_divide @ (double_divide @ X1 @ X2) @ 
% 21.13/3.64             (inverse @ (double_divide @ X1 @ (inverse @ X0))))) @ 
% 21.13/3.64           X2) = (X0))),
% 21.13/3.64      inference('cnf', [status(esa)], [single_axiom])).
% 21.13/3.64  thf(zip_derived_cl121, plain,
% 21.13/3.64      (![X0 : $i, X1 : $i]:
% 21.13/3.64         ((double_divide @ (double_divide @ X1 @ X0) @ X0) = (X1))),
% 21.13/3.64      inference('sup+', [status(thm)], [zip_derived_cl57, zip_derived_cl0])).
% 21.13/3.64  thf(zip_derived_cl57, plain,
% 21.13/3.64      (![X0 : $i, X1 : $i]:
% 21.13/3.64         ((X0)
% 21.13/3.64           = (inverse @ 
% 21.13/3.64              (double_divide @ X0 @ 
% 21.13/3.64               (inverse @ (double_divide @ X1 @ (inverse @ X1))))))),
% 21.13/3.64      inference('sup+', [status(thm)], [zip_derived_cl30, zip_derived_cl12])).
% 21.13/3.64  thf(zip_derived_cl30, plain,
% 21.13/3.64      (![X0 : $i, X1 : $i]:
% 21.13/3.64         ((double_divide @ (inverse @ X0) @ 
% 21.13/3.64           (inverse @ (inverse @ (double_divide @ X1 @ (inverse @ X0)))))
% 21.13/3.64           = (X1))),
% 21.13/3.64      inference('sup+', [status(thm)], [zip_derived_cl23, zip_derived_cl23])).
% 21.13/3.64  thf(zip_derived_cl104, plain,
% 21.13/3.64      (![X0 : $i, X1 : $i, X2 : $i]:
% 21.13/3.64         ((double_divide @ 
% 21.13/3.64           (inverse @ 
% 21.13/3.64            (double_divide @ X0 @ 
% 21.13/3.64             (inverse @ (double_divide @ X2 @ (inverse @ X2))))) @ 
% 21.13/3.64           (inverse @ (inverse @ (double_divide @ X1 @ X0)))) = (X1))),
% 21.13/3.64      inference('sup+', [status(thm)], [zip_derived_cl57, zip_derived_cl30])).
% 21.13/3.64  thf(zip_derived_cl57, plain,
% 21.13/3.64      (![X0 : $i, X1 : $i]:
% 21.13/3.64         ((X0)
% 21.13/3.64           = (inverse @ 
% 21.13/3.64              (double_divide @ X0 @ 
% 21.13/3.64               (inverse @ (double_divide @ X1 @ (inverse @ X1))))))),
% 21.13/3.64      inference('sup+', [status(thm)], [zip_derived_cl30, zip_derived_cl12])).
% 21.13/3.64  thf(zip_derived_cl138, plain,
% 21.13/3.64      (![X0 : $i, X1 : $i]:
% 21.13/3.64         ((double_divide @ X0 @ 
% 21.13/3.64           (inverse @ (inverse @ (double_divide @ X1 @ X0)))) = (X1))),
% 21.13/3.64      inference('demod', [status(thm)], [zip_derived_cl104, zip_derived_cl57])).
% 21.13/3.64  thf(zip_derived_cl311, plain,
% 21.13/3.64      (![X0 : $i, X1 : $i]:
% 21.13/3.64         ((double_divide @ X1 @ (inverse @ (inverse @ X0)))
% 21.13/3.64           = (double_divide @ X0 @ X1))),
% 21.13/3.64      inference('sup+', [status(thm)], [zip_derived_cl121, zip_derived_cl138])).
% 21.13/3.64  thf(zip_derived_cl311, plain,
% 21.13/3.64      (![X0 : $i, X1 : $i]:
% 21.13/3.64         ((double_divide @ X1 @ (inverse @ (inverse @ X0)))
% 21.13/3.64           = (double_divide @ X0 @ X1))),
% 21.13/3.64      inference('sup+', [status(thm)], [zip_derived_cl121, zip_derived_cl138])).
% 21.13/3.64  thf(zip_derived_cl121, plain,
% 21.13/3.64      (![X0 : $i, X1 : $i]:
% 21.13/3.64         ((double_divide @ (double_divide @ X1 @ X0) @ X0) = (X1))),
% 21.13/3.64      inference('sup+', [status(thm)], [zip_derived_cl57, zip_derived_cl0])).
% 21.13/3.64  thf(zip_derived_cl336, plain,
% 21.13/3.64      (![X0 : $i, X1 : $i]:
% 21.13/3.64         ((double_divide @ X0 @ 
% 21.13/3.64           (double_divide @ X1 @ (inverse @ (inverse @ X0)))) = (X1))),
% 21.13/3.64      inference('sup+', [status(thm)], [zip_derived_cl311, zip_derived_cl121])).
% 21.13/3.64  thf(zip_derived_cl311, plain,
% 21.13/3.64      (![X0 : $i, X1 : $i]:
% 21.13/3.64         ((double_divide @ X1 @ (inverse @ (inverse @ X0)))
% 21.13/3.64           = (double_divide @ X0 @ X1))),
% 21.13/3.64      inference('sup+', [status(thm)], [zip_derived_cl121, zip_derived_cl138])).
% 21.13/3.64  thf(zip_derived_cl350, plain,
% 21.13/3.64      (![X0 : $i, X1 : $i]:
% 21.13/3.64         ((double_divide @ X0 @ (double_divide @ X0 @ X1)) = (X1))),
% 21.13/3.64      inference('demod', [status(thm)], [zip_derived_cl336, zip_derived_cl311])).
% 21.13/3.64  thf(zip_derived_cl57, plain,
% 21.13/3.64      (![X0 : $i, X1 : $i]:
% 21.13/3.64         ((X0)
% 21.13/3.64           = (inverse @ 
% 21.13/3.64              (double_divide @ X0 @ 
% 21.13/3.64               (inverse @ (double_divide @ X1 @ (inverse @ X1))))))),
% 21.13/3.64      inference('sup+', [status(thm)], [zip_derived_cl30, zip_derived_cl12])).
% 21.13/3.64  thf(zip_derived_cl57, plain,
% 21.13/3.64      (![X0 : $i, X1 : $i]:
% 21.13/3.64         ((X0)
% 21.13/3.64           = (inverse @ 
% 21.13/3.64              (double_divide @ X0 @ 
% 21.13/3.64               (inverse @ (double_divide @ X1 @ (inverse @ X1))))))),
% 21.13/3.64      inference('sup+', [status(thm)], [zip_derived_cl30, zip_derived_cl12])).
% 21.13/3.64  thf(zip_derived_cl120, plain,
% 21.13/3.64      (![X0 : $i, X1 : $i]:
% 21.13/3.64         ((X1)
% 21.13/3.64           = (inverse @ 
% 21.13/3.64              (double_divide @ X1 @ (double_divide @ X0 @ (inverse @ X0)))))),
% 21.13/3.64      inference('sup+', [status(thm)], [zip_derived_cl57, zip_derived_cl57])).
% 21.13/3.64  thf(zip_derived_cl360, plain,
% 21.13/3.64      (![X0 : $i]: ((X0) = (inverse @ (inverse @ X0)))),
% 21.13/3.64      inference('sup+', [status(thm)], [zip_derived_cl350, zip_derived_cl120])).
% 21.13/3.64  thf(zip_derived_cl377, plain,
% 21.13/3.64      (![X0 : $i, X1 : $i]:
% 21.13/3.64         ((double_divide @ X1 @ X0) = (double_divide @ X0 @ X1))),
% 21.13/3.64      inference('demod', [status(thm)], [zip_derived_cl311, zip_derived_cl360])).
% 21.13/3.64  thf(zip_derived_cl377, plain,
% 21.13/3.64      (![X0 : $i, X1 : $i]:
% 21.13/3.64         ((double_divide @ X1 @ X0) = (double_divide @ X0 @ X1))),
% 21.13/3.64      inference('demod', [status(thm)], [zip_derived_cl311, zip_derived_cl360])).
% 21.13/3.64  thf(zip_derived_cl377, plain,
% 21.13/3.64      (![X0 : $i, X1 : $i]:
% 21.13/3.64         ((double_divide @ X1 @ X0) = (double_divide @ X0 @ X1))),
% 21.13/3.64      inference('demod', [status(thm)], [zip_derived_cl311, zip_derived_cl360])).
% 21.13/3.64  thf(zip_derived_cl445, plain,
% 21.13/3.64      ((((inverse @ (double_divide @ a1 @ (inverse @ a1)))
% 21.13/3.64          != (inverse @ (double_divide @ b1 @ (inverse @ b1))))
% 21.13/3.64        | ((inverse @ 
% 21.13/3.64            (double_divide @ c3 @ (inverse @ (double_divide @ b3 @ a3))))
% 21.13/3.64            != (inverse @ 
% 21.13/3.64                (double_divide @ a3 @ (inverse @ (double_divide @ b3 @ c3)))))
% 21.13/3.64        | ((inverse @ (double_divide @ b4 @ a4))
% 21.13/3.64            != (inverse @ (double_divide @ b4 @ a4))))),
% 21.13/3.64      inference('demod', [status(thm)],
% 21.13/3.64                [zip_derived_cl96, zip_derived_cl377, zip_derived_cl377, 
% 21.13/3.64                 zip_derived_cl377])).
% 21.13/3.64  thf(zip_derived_cl446, plain,
% 21.13/3.64      ((((inverse @ 
% 21.13/3.64          (double_divide @ c3 @ (inverse @ (double_divide @ b3 @ a3))))
% 21.13/3.64          != (inverse @ 
% 21.13/3.64              (double_divide @ a3 @ (inverse @ (double_divide @ b3 @ c3)))))
% 21.13/3.64        | ((inverse @ (double_divide @ a1 @ (inverse @ a1)))
% 21.13/3.64            != (inverse @ (double_divide @ b1 @ (inverse @ b1)))))),
% 21.13/3.64      inference('simplify', [status(thm)], [zip_derived_cl445])).
% 21.13/3.64  thf(zip_derived_cl57, plain,
% 21.13/3.64      (![X0 : $i, X1 : $i]:
% 21.13/3.64         ((X0)
% 21.13/3.64           = (inverse @ 
% 21.13/3.64              (double_divide @ X0 @ 
% 21.13/3.64               (inverse @ (double_divide @ X1 @ (inverse @ X1))))))),
% 21.13/3.64      inference('sup+', [status(thm)], [zip_derived_cl30, zip_derived_cl12])).
% 21.13/3.64  thf(zip_derived_cl23, plain,
% 21.13/3.64      (![X0 : $i, X1 : $i]:
% 21.13/3.64         ((double_divide @ (inverse @ (double_divide @ X1 @ (inverse @ X0))) @ 
% 21.13/3.64           (inverse @ X1)) = (X0))),
% 21.13/3.64      inference('sup+', [status(thm)], [zip_derived_cl12, zip_derived_cl4])).
% 21.13/3.64  thf(zip_derived_cl113, plain,
% 21.13/3.64      (![X0 : $i, X1 : $i]:
% 21.13/3.64         ((double_divide @ X0 @ (inverse @ X0))
% 21.13/3.64           = (double_divide @ X1 @ (inverse @ X1)))),
% 21.13/3.64      inference('sup+', [status(thm)], [zip_derived_cl57, zip_derived_cl23])).
% 21.13/3.64  thf(zip_derived_cl447, plain,
% 21.13/3.64      (((inverse @ (double_divide @ c3 @ (inverse @ (double_divide @ b3 @ a3))))
% 21.13/3.64         != (inverse @ 
% 21.13/3.64             (double_divide @ a3 @ (inverse @ (double_divide @ b3 @ c3)))))),
% 21.13/3.64      inference('simplify_reflect+', [status(thm)],
% 21.13/3.64                [zip_derived_cl446, zip_derived_cl113])).
% 21.13/3.64  thf(zip_derived_cl23, plain,
% 21.13/3.64      (![X0 : $i, X1 : $i]:
% 21.13/3.64         ((double_divide @ (inverse @ (double_divide @ X1 @ (inverse @ X0))) @ 
% 21.13/3.64           (inverse @ X1)) = (X0))),
% 21.13/3.64      inference('sup+', [status(thm)], [zip_derived_cl12, zip_derived_cl4])).
% 21.13/3.64  thf(zip_derived_cl121, plain,
% 21.13/3.64      (![X0 : $i, X1 : $i]:
% 21.13/3.64         ((double_divide @ (double_divide @ X1 @ X0) @ X0) = (X1))),
% 21.13/3.64      inference('sup+', [status(thm)], [zip_derived_cl57, zip_derived_cl0])).
% 21.13/3.64  thf(zip_derived_cl162, plain,
% 21.13/3.64      (![X0 : $i, X1 : $i]:
% 21.13/3.64         ((double_divide @ X0 @ (inverse @ X1))
% 21.13/3.64           = (inverse @ (double_divide @ X1 @ (inverse @ X0))))),
% 21.13/3.64      inference('sup+', [status(thm)], [zip_derived_cl23, zip_derived_cl121])).
% 21.13/3.64  thf(zip_derived_cl377, plain,
% 21.13/3.64      (![X0 : $i, X1 : $i]:
% 21.13/3.64         ((double_divide @ X1 @ X0) = (double_divide @ X0 @ X1))),
% 21.13/3.64      inference('demod', [status(thm)], [zip_derived_cl311, zip_derived_cl360])).
% 21.13/3.64  thf(zip_derived_cl162, plain,
% 21.13/3.64      (![X0 : $i, X1 : $i]:
% 21.13/3.64         ((double_divide @ X0 @ (inverse @ X1))
% 21.13/3.64           = (inverse @ (double_divide @ X1 @ (inverse @ X0))))),
% 21.13/3.64      inference('sup+', [status(thm)], [zip_derived_cl23, zip_derived_cl121])).
% 21.13/3.64  thf(zip_derived_cl377, plain,
% 21.13/3.64      (![X0 : $i, X1 : $i]:
% 21.13/3.64         ((double_divide @ X1 @ X0) = (double_divide @ X0 @ X1))),
% 21.13/3.64      inference('demod', [status(thm)], [zip_derived_cl311, zip_derived_cl360])).
% 21.13/3.64  thf(zip_derived_cl1207, plain,
% 21.13/3.64      (((double_divide @ (inverse @ c3) @ (double_divide @ b3 @ a3))
% 21.13/3.64         != (double_divide @ (inverse @ a3) @ (double_divide @ b3 @ c3)))),
% 21.13/3.64      inference('demod', [status(thm)],
% 21.13/3.64                [zip_derived_cl447, zip_derived_cl162, zip_derived_cl377, 
% 21.13/3.64                 zip_derived_cl162, zip_derived_cl377])).
% 21.13/3.64  thf(zip_derived_cl360, plain,
% 21.13/3.64      (![X0 : $i]: ((X0) = (inverse @ (inverse @ X0)))),
% 21.13/3.64      inference('sup+', [status(thm)], [zip_derived_cl350, zip_derived_cl120])).
% 21.13/3.64  thf(zip_derived_cl162, plain,
% 21.13/3.64      (![X0 : $i, X1 : $i]:
% 21.13/3.64         ((double_divide @ X0 @ (inverse @ X1))
% 21.13/3.64           = (inverse @ (double_divide @ X1 @ (inverse @ X0))))),
% 21.13/3.64      inference('sup+', [status(thm)], [zip_derived_cl23, zip_derived_cl121])).
% 21.13/3.64  thf(zip_derived_cl1236, plain,
% 21.13/3.64      (![X0 : $i, X1 : $i]:
% 21.13/3.64         ((double_divide @ (inverse @ X0) @ (inverse @ X1))
% 21.13/3.64           = (inverse @ (double_divide @ X1 @ X0)))),
% 21.13/3.64      inference('sup+', [status(thm)], [zip_derived_cl360, zip_derived_cl162])).
% 21.13/3.64  thf(zip_derived_cl350, plain,
% 21.13/3.64      (![X0 : $i, X1 : $i]:
% 21.13/3.64         ((double_divide @ X0 @ (double_divide @ X0 @ X1)) = (X1))),
% 21.13/3.64      inference('demod', [status(thm)], [zip_derived_cl336, zip_derived_cl311])).
% 21.13/3.64  thf(zip_derived_cl121, plain,
% 21.13/3.64      (![X0 : $i, X1 : $i]:
% 21.13/3.64         ((double_divide @ (double_divide @ X1 @ X0) @ X0) = (X1))),
% 21.13/3.64      inference('sup+', [status(thm)], [zip_derived_cl57, zip_derived_cl0])).
% 21.13/3.64  thf(zip_derived_cl358, plain,
% 21.13/3.64      (![X0 : $i, X1 : $i]:
% 21.13/3.64         ((double_divide @ X0 @ (double_divide @ X1 @ X0)) = (X1))),
% 21.13/3.64      inference('sup+', [status(thm)], [zip_derived_cl350, zip_derived_cl121])).
% 21.13/3.64  thf(zip_derived_cl12, plain,
% 21.13/3.64      (![X0 : $i, X1 : $i]:
% 21.13/3.64         ((double_divide @ (inverse @ (double_divide @ X0 @ (inverse @ X0))) @ 
% 21.13/3.64           (inverse @ X1)) = (X1))),
% 21.13/3.64      inference('sup+', [status(thm)], [zip_derived_cl0, zip_derived_cl4])).
% 21.13/3.64  thf(zip_derived_cl12, plain,
% 21.13/3.64      (![X0 : $i, X1 : $i]:
% 21.13/3.64         ((double_divide @ (inverse @ (double_divide @ X0 @ (inverse @ X0))) @ 
% 21.13/3.64           (inverse @ X1)) = (X1))),
% 21.13/3.64      inference('sup+', [status(thm)], [zip_derived_cl0, zip_derived_cl4])).
% 21.13/3.64  thf(zip_derived_cl22, plain,
% 21.13/3.64      (![X0 : $i, X1 : $i]:
% 21.13/3.64         ((double_divide @ 
% 21.13/3.64           (inverse @ (inverse @ (double_divide @ X0 @ (inverse @ X0)))) @ 
% 21.13/3.64           (inverse @ X1)) = (X1))),
% 21.13/3.64      inference('sup+', [status(thm)], [zip_derived_cl12, zip_derived_cl12])).
% 21.13/3.64  thf(zip_derived_cl4, plain,
% 21.13/3.64      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i]:
% 21.13/3.64         ((double_divide @ 
% 21.13/3.64           (inverse @ 
% 21.13/3.64            (double_divide @ X0 @ 
% 21.13/3.64             (inverse @ 
% 21.13/3.64              (double_divide @ 
% 21.13/3.64               (inverse @ 
% 21.13/3.64                (double_divide @ (double_divide @ X3 @ X2) @ 
% 21.13/3.64                 (inverse @ (double_divide @ X3 @ (inverse @ X0))))) @ 
% 21.13/3.64               (inverse @ X1))))) @ 
% 21.13/3.64           X2) = (X1))),
% 21.13/3.64      inference('sup+', [status(thm)], [zip_derived_cl0, zip_derived_cl0])).
% 21.13/3.64  thf(zip_derived_cl39, plain,
% 21.13/3.64      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i]:
% 21.13/3.64         ((double_divide @ 
% 21.13/3.64           (inverse @ 
% 21.13/3.64            (double_divide @ X2 @ 
% 21.13/3.64             (inverse @ 
% 21.13/3.64              (double_divide @ 
% 21.13/3.64               (inverse @ 
% 21.13/3.64                (double_divide @ X0 @ 
% 21.13/3.64                 (inverse @ 
% 21.13/3.64                  (double_divide @ 
% 21.13/3.64                   (inverse @ (inverse @ (double_divide @ X3 @ (inverse @ X3)))) @ 
% 21.13/3.64                   (inverse @ X2))))) @ 
% 21.13/3.64               (inverse @ X1))))) @ 
% 21.13/3.64           (inverse @ X0)) = (X1))),
% 21.13/3.64      inference('sup+', [status(thm)], [zip_derived_cl22, zip_derived_cl4])).
% 21.13/3.64  thf(zip_derived_cl22, plain,
% 21.13/3.64      (![X0 : $i, X1 : $i]:
% 21.13/3.64         ((double_divide @ 
% 21.13/3.64           (inverse @ (inverse @ (double_divide @ X0 @ (inverse @ X0)))) @ 
% 21.13/3.64           (inverse @ X1)) = (X1))),
% 21.13/3.64      inference('sup+', [status(thm)], [zip_derived_cl12, zip_derived_cl12])).
% 21.13/3.64  thf(zip_derived_cl49, plain,
% 21.13/3.64      (![X0 : $i, X1 : $i, X2 : $i]:
% 21.13/3.64         ((double_divide @ 
% 21.13/3.64           (inverse @ 
% 21.13/3.64            (double_divide @ X2 @ 
% 21.13/3.64             (inverse @ 
% 21.13/3.64              (double_divide @ 
% 21.13/3.64               (inverse @ (double_divide @ X0 @ (inverse @ X2))) @ 
% 21.13/3.64               (inverse @ X1))))) @ 
% 21.13/3.64           (inverse @ X0)) = (X1))),
% 21.13/3.64      inference('demod', [status(thm)], [zip_derived_cl39, zip_derived_cl22])).
% 21.13/3.64  thf(zip_derived_cl377, plain,
% 21.13/3.64      (![X0 : $i, X1 : $i]:
% 21.13/3.64         ((double_divide @ X1 @ X0) = (double_divide @ X0 @ X1))),
% 21.13/3.64      inference('demod', [status(thm)], [zip_derived_cl311, zip_derived_cl360])).
% 21.13/3.64  thf(zip_derived_cl162, plain,
% 21.13/3.64      (![X0 : $i, X1 : $i]:
% 21.13/3.64         ((double_divide @ X0 @ (inverse @ X1))
% 21.13/3.64           = (inverse @ (double_divide @ X1 @ (inverse @ X0))))),
% 21.13/3.64      inference('sup+', [status(thm)], [zip_derived_cl23, zip_derived_cl121])).
% 21.13/3.64  thf(zip_derived_cl1223, plain,
% 21.13/3.64      (![X0 : $i, X1 : $i]:
% 21.13/3.64         ((double_divide @ X1 @ (inverse @ X0))
% 21.13/3.64           = (inverse @ (double_divide @ (inverse @ X1) @ X0)))),
% 21.13/3.64      inference('sup+', [status(thm)], [zip_derived_cl377, zip_derived_cl162])).
% 21.13/3.64  thf(zip_derived_cl360, plain,
% 21.13/3.64      (![X0 : $i]: ((X0) = (inverse @ (inverse @ X0)))),
% 21.13/3.64      inference('sup+', [status(thm)], [zip_derived_cl350, zip_derived_cl120])).
% 21.13/3.64  thf(zip_derived_cl1305, plain,
% 21.13/3.64      (![X0 : $i, X1 : $i]:
% 21.13/3.64         ((double_divide @ (inverse @ X1) @ X0)
% 21.13/3.64           = (inverse @ (double_divide @ X1 @ (inverse @ X0))))),
% 21.13/3.64      inference('sup+', [status(thm)], [zip_derived_cl1223, zip_derived_cl360])).
% 21.13/3.64  thf(zip_derived_cl1305, plain,
% 21.13/3.64      (![X0 : $i, X1 : $i]:
% 21.13/3.64         ((double_divide @ (inverse @ X1) @ X0)
% 21.13/3.64           = (inverse @ (double_divide @ X1 @ (inverse @ X0))))),
% 21.13/3.64      inference('sup+', [status(thm)], [zip_derived_cl1223, zip_derived_cl360])).
% 21.13/3.64  thf(zip_derived_cl1223, plain,
% 21.13/3.64      (![X0 : $i, X1 : $i]:
% 21.13/3.64         ((double_divide @ X1 @ (inverse @ X0))
% 21.13/3.64           = (inverse @ (double_divide @ (inverse @ X1) @ X0)))),
% 21.13/3.64      inference('sup+', [status(thm)], [zip_derived_cl377, zip_derived_cl162])).
% 21.13/3.64  thf(zip_derived_cl1236, plain,
% 21.13/3.64      (![X0 : $i, X1 : $i]:
% 21.13/3.64         ((double_divide @ (inverse @ X0) @ (inverse @ X1))
% 21.13/3.64           = (inverse @ (double_divide @ X1 @ X0)))),
% 21.13/3.64      inference('sup+', [status(thm)], [zip_derived_cl360, zip_derived_cl162])).
% 21.13/3.64  thf(zip_derived_cl1441, plain,
% 21.13/3.64      (![X0 : $i, X1 : $i, X2 : $i]:
% 21.13/3.64         ((inverse @ 
% 21.13/3.64           (double_divide @ X0 @ 
% 21.13/3.64            (double_divide @ X2 @ 
% 21.13/3.64             (double_divide @ (double_divide @ X0 @ (inverse @ X2)) @ X1))))
% 21.13/3.64           = (X1))),
% 21.13/3.64      inference('demod', [status(thm)],
% 21.13/3.64                [zip_derived_cl49, zip_derived_cl1305, zip_derived_cl1305, 
% 21.13/3.64                 zip_derived_cl1223, zip_derived_cl1236])).
% 21.13/3.64  thf(zip_derived_cl1475, plain,
% 21.13/3.64      (![X0 : $i, X1 : $i, X2 : $i]:
% 21.13/3.64         ((inverse @ (double_divide @ X2 @ (double_divide @ X1 @ X0)))
% 21.13/3.64           = (double_divide @ X0 @ (double_divide @ X2 @ (inverse @ X1))))),
% 21.13/3.64      inference('sup+', [status(thm)], [zip_derived_cl358, zip_derived_cl1441])).
% 21.13/3.64  thf(zip_derived_cl3081, plain,
% 21.13/3.64      (![X0 : $i, X1 : $i, X2 : $i]:
% 21.13/3.64         ((inverse @ 
% 21.13/3.64           (double_divide @ X2 @ (inverse @ (double_divide @ X1 @ X0))))
% 21.13/3.64           = (double_divide @ (inverse @ X1) @ 
% 21.13/3.64              (double_divide @ X2 @ (inverse @ (inverse @ X0)))))),
% 21.13/3.64      inference('sup+', [status(thm)], [zip_derived_cl1236, zip_derived_cl1475])).
% 21.13/3.64  thf(zip_derived_cl1305, plain,
% 21.13/3.64      (![X0 : $i, X1 : $i]:
% 21.13/3.64         ((double_divide @ (inverse @ X1) @ X0)
% 21.13/3.64           = (inverse @ (double_divide @ X1 @ (inverse @ X0))))),
% 21.13/3.64      inference('sup+', [status(thm)], [zip_derived_cl1223, zip_derived_cl360])).
% 21.13/3.64  thf(zip_derived_cl360, plain,
% 21.13/3.64      (![X0 : $i]: ((X0) = (inverse @ (inverse @ X0)))),
% 21.13/3.64      inference('sup+', [status(thm)], [zip_derived_cl350, zip_derived_cl120])).
% 21.13/3.64  thf(zip_derived_cl3108, plain,
% 21.13/3.64      (![X0 : $i, X1 : $i, X2 : $i]:
% 21.13/3.64         ((double_divide @ (inverse @ X2) @ (double_divide @ X1 @ X0))
% 21.13/3.64           = (double_divide @ (inverse @ X1) @ (double_divide @ X2 @ X0)))),
% 21.13/3.64      inference('demod', [status(thm)],
% 21.13/3.64                [zip_derived_cl3081, zip_derived_cl1305, zip_derived_cl360])).
% 21.13/3.64  thf(zip_derived_cl3108, plain,
% 21.13/3.64      (![X0 : $i, X1 : $i, X2 : $i]:
% 21.13/3.64         ((double_divide @ (inverse @ X2) @ (double_divide @ X1 @ X0))
% 21.13/3.64           = (double_divide @ (inverse @ X1) @ (double_divide @ X2 @ X0)))),
% 21.13/3.64      inference('demod', [status(thm)],
% 21.13/3.64                [zip_derived_cl3081, zip_derived_cl1305, zip_derived_cl360])).
% 21.13/3.64  thf(zip_derived_cl377, plain,
% 21.13/3.64      (![X0 : $i, X1 : $i]:
% 21.13/3.64         ((double_divide @ X1 @ X0) = (double_divide @ X0 @ X1))),
% 21.13/3.64      inference('demod', [status(thm)], [zip_derived_cl311, zip_derived_cl360])).
% 21.13/3.64  thf(zip_derived_cl10167, plain,
% 21.13/3.64      (((double_divide @ (inverse @ b3) @ (double_divide @ c3 @ a3))
% 21.13/3.64         != (double_divide @ (inverse @ b3) @ (double_divide @ c3 @ a3)))),
% 21.13/3.64      inference('demod', [status(thm)],
% 21.13/3.64                [zip_derived_cl1207, zip_derived_cl3108, zip_derived_cl3108, 
% 21.13/3.64                 zip_derived_cl377])).
% 21.13/3.64  thf(zip_derived_cl10168, plain, ($false),
% 21.13/3.64      inference('simplify', [status(thm)], [zip_derived_cl10167])).
% 21.13/3.64  
% 21.13/3.64  % SZS output end Refutation
% 21.13/3.64  
% 21.13/3.64  
% 21.13/3.64  % Terminating...
% 21.13/3.70  % Runner terminated.
% 21.13/3.71  % Zipperpin 1.5 exiting
%------------------------------------------------------------------------------