TSTP Solution File: GRP504-1 by Zipperpin---2.1.9999

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Zipperpin---2.1.9999
% Problem  : GRP504-1 : TPTP v8.1.2. Released v2.6.0.
% Transfm  : NO INFORMATION
% Format   : NO INFORMATION
% Command  : python3 /export/starexec/sandbox2/solver/bin/portfolio.lams.parallel.py %s %d /export/starexec/sandbox2/tmp/tmp.upEVVrIrKq true

% Computer : n001.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 01:51:54 EDT 2023

% Result   : Unsatisfiable 59.98s 9.11s
% Output   : Refutation 59.98s
% Verified : 
% SZS Type : -

% Comments : 
%------------------------------------------------------------------------------
%----WARNING: Could not form TPTP format derivation
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.10  % Problem  : GRP504-1 : TPTP v8.1.2. Released v2.6.0.
% 0.00/0.10  % Command  : python3 /export/starexec/sandbox2/solver/bin/portfolio.lams.parallel.py %s %d /export/starexec/sandbox2/tmp/tmp.upEVVrIrKq true
% 0.13/0.31  % Computer : n001.cluster.edu
% 0.13/0.31  % Model    : x86_64 x86_64
% 0.13/0.31  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.13/0.31  % Memory   : 8042.1875MB
% 0.13/0.31  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.13/0.31  % CPULimit : 300
% 0.13/0.31  % WCLimit  : 300
% 0.13/0.31  % DateTime : Mon Aug 28 21:45:36 EDT 2023
% 0.13/0.31  % CPUTime  : 
% 0.13/0.31  % Running portfolio for 300 s
% 0.13/0.31  % File         : /export/starexec/sandbox2/benchmark/theBenchmark.p
% 0.13/0.31  % Number of cores: 8
% 0.16/0.31  % Python version: Python 3.6.8
% 0.16/0.32  % Running in FO mode
% 0.16/0.56  % Total configuration time : 435
% 0.16/0.56  % Estimated wc time : 1092
% 0.16/0.56  % Estimated cpu time (7 cpus) : 156.0
% 0.16/0.62  % /export/starexec/sandbox2/solver/bin/fo/fo6_bce.sh running for 75s
% 0.16/0.62  % /export/starexec/sandbox2/solver/bin/fo/fo3_bce.sh running for 75s
% 0.16/0.65  % /export/starexec/sandbox2/solver/bin/fo/fo1_av.sh running for 75s
% 0.16/0.65  % /export/starexec/sandbox2/solver/bin/fo/fo13.sh running for 50s
% 0.16/0.66  % /export/starexec/sandbox2/solver/bin/fo/fo7.sh running for 63s
% 0.16/0.66  % /export/starexec/sandbox2/solver/bin/fo/fo5.sh running for 50s
% 0.16/0.67  % /export/starexec/sandbox2/solver/bin/fo/fo4.sh running for 50s
% 59.98/9.11  % Solved by fo/fo4.sh.
% 59.98/9.11  % done 2761 iterations in 8.414s
% 59.98/9.11  % SZS status Theorem for '/export/starexec/sandbox2/benchmark/theBenchmark.p'
% 59.98/9.11  % SZS output start Refutation
% 59.98/9.11  thf(inverse_type, type, inverse: $i > $i).
% 59.98/9.11  thf(a3_type, type, a3: $i).
% 59.98/9.11  thf(multiply_type, type, multiply: $i > $i > $i).
% 59.98/9.11  thf(c3_type, type, c3: $i).
% 59.98/9.11  thf(double_divide_type, type, double_divide: $i > $i > $i).
% 59.98/9.11  thf(b3_type, type, b3: $i).
% 59.98/9.11  thf(prove_these_axioms_3, conjecture,
% 59.98/9.11    (( multiply @ ( multiply @ a3 @ b3 ) @ c3 ) =
% 59.98/9.11     ( multiply @ a3 @ ( multiply @ b3 @ c3 ) ))).
% 59.98/9.11  thf(zf_stmt_0, negated_conjecture,
% 59.98/9.11    (( multiply @ ( multiply @ a3 @ b3 ) @ c3 ) !=
% 59.98/9.11     ( multiply @ a3 @ ( multiply @ b3 @ c3 ) )),
% 59.98/9.11    inference('cnf.neg', [status(esa)], [prove_these_axioms_3])).
% 59.98/9.11  thf(zip_derived_cl2, plain,
% 59.98/9.11      (((multiply @ (multiply @ a3 @ b3) @ c3)
% 59.98/9.11         != (multiply @ a3 @ (multiply @ b3 @ c3)))),
% 59.98/9.11      inference('cnf', [status(esa)], [zf_stmt_0])).
% 59.98/9.11  thf(multiply, axiom,
% 59.98/9.11    (( multiply @ A @ B ) = ( inverse @ ( double_divide @ B @ A ) ))).
% 59.98/9.11  thf(zip_derived_cl1, plain,
% 59.98/9.11      (![X0 : $i, X1 : $i]:
% 59.98/9.11         ((multiply @ X1 @ X0) = (inverse @ (double_divide @ X0 @ X1)))),
% 59.98/9.11      inference('cnf', [status(esa)], [multiply])).
% 59.98/9.11  thf(single_axiom, axiom,
% 59.98/9.11    (( double_divide @
% 59.98/9.11       ( double_divide @ A @ ( inverse @ ( double_divide @ B @ C ) ) ) @ 
% 59.98/9.11       ( double_divide @
% 59.98/9.11         ( inverse @ B ) @ 
% 59.98/9.11         ( inverse @ ( double_divide @ D @ ( double_divide @ A @ D ) ) ) ) ) =
% 59.98/9.11     ( C ))).
% 59.98/9.11  thf(zip_derived_cl0, plain,
% 59.98/9.11      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i]:
% 59.98/9.11         ((double_divide @ 
% 59.98/9.11           (double_divide @ X1 @ (inverse @ (double_divide @ X2 @ X0))) @ 
% 59.98/9.11           (double_divide @ (inverse @ X2) @ 
% 59.98/9.11            (inverse @ (double_divide @ X3 @ (double_divide @ X1 @ X3)))))
% 59.98/9.11           = (X0))),
% 59.98/9.11      inference('cnf', [status(esa)], [single_axiom])).
% 59.98/9.11  thf(zip_derived_cl1, plain,
% 59.98/9.11      (![X0 : $i, X1 : $i]:
% 59.98/9.11         ((multiply @ X1 @ X0) = (inverse @ (double_divide @ X0 @ X1)))),
% 59.98/9.11      inference('cnf', [status(esa)], [multiply])).
% 59.98/9.11  thf(zip_derived_cl1, plain,
% 59.98/9.11      (![X0 : $i, X1 : $i]:
% 59.98/9.11         ((multiply @ X1 @ X0) = (inverse @ (double_divide @ X0 @ X1)))),
% 59.98/9.11      inference('cnf', [status(esa)], [multiply])).
% 59.98/9.11  thf(zip_derived_cl3, plain,
% 59.98/9.11      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i]:
% 59.98/9.11         ((double_divide @ (double_divide @ X1 @ (multiply @ X0 @ X2)) @ 
% 59.98/9.11           (double_divide @ (inverse @ X2) @ 
% 59.98/9.11            (multiply @ (double_divide @ X1 @ X3) @ X3)))
% 59.98/9.11           = (X0))),
% 59.98/9.11      inference('demod', [status(thm)],
% 59.98/9.11                [zip_derived_cl0, zip_derived_cl1, zip_derived_cl1])).
% 59.98/9.11  thf(zip_derived_cl1, plain,
% 59.98/9.11      (![X0 : $i, X1 : $i]:
% 59.98/9.11         ((multiply @ X1 @ X0) = (inverse @ (double_divide @ X0 @ X1)))),
% 59.98/9.11      inference('cnf', [status(esa)], [multiply])).
% 59.98/9.11  thf(zip_derived_cl5, plain,
% 59.98/9.11      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i]:
% 59.98/9.11         ((multiply @ 
% 59.98/9.11           (double_divide @ (inverse @ X3) @ 
% 59.98/9.11            (multiply @ (double_divide @ X2 @ X1) @ X1)) @ 
% 59.98/9.11           (double_divide @ X2 @ (multiply @ X0 @ X3))) = (inverse @ X0))),
% 59.98/9.11      inference('sup+', [status(thm)], [zip_derived_cl3, zip_derived_cl1])).
% 59.98/9.11  thf(zip_derived_cl5, plain,
% 59.98/9.11      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i]:
% 59.98/9.11         ((multiply @ 
% 59.98/9.11           (double_divide @ (inverse @ X3) @ 
% 59.98/9.11            (multiply @ (double_divide @ X2 @ X1) @ X1)) @ 
% 59.98/9.11           (double_divide @ X2 @ (multiply @ X0 @ X3))) = (inverse @ X0))),
% 59.98/9.11      inference('sup+', [status(thm)], [zip_derived_cl3, zip_derived_cl1])).
% 59.98/9.11  thf(zip_derived_cl5, plain,
% 59.98/9.11      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i]:
% 59.98/9.11         ((multiply @ 
% 59.98/9.11           (double_divide @ (inverse @ X3) @ 
% 59.98/9.11            (multiply @ (double_divide @ X2 @ X1) @ X1)) @ 
% 59.98/9.11           (double_divide @ X2 @ (multiply @ X0 @ X3))) = (inverse @ X0))),
% 59.98/9.11      inference('sup+', [status(thm)], [zip_derived_cl3, zip_derived_cl1])).
% 59.98/9.11  thf(zip_derived_cl10, plain,
% 59.98/9.11      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i]:
% 59.98/9.11         ((multiply @ 
% 59.98/9.11           (double_divide @ 
% 59.98/9.11            (inverse @ (double_divide @ X2 @ (multiply @ X0 @ X3))) @ 
% 59.98/9.11            (multiply @ (double_divide @ X4 @ X5) @ X5)) @ 
% 59.98/9.11           (double_divide @ X4 @ (inverse @ X0)))
% 59.98/9.11           = (inverse @ 
% 59.98/9.11              (double_divide @ (inverse @ X3) @ 
% 59.98/9.11               (multiply @ (double_divide @ X2 @ X1) @ X1))))),
% 59.98/9.11      inference('sup+', [status(thm)], [zip_derived_cl5, zip_derived_cl5])).
% 59.98/9.11  thf(zip_derived_cl1, plain,
% 59.98/9.11      (![X0 : $i, X1 : $i]:
% 59.98/9.11         ((multiply @ X1 @ X0) = (inverse @ (double_divide @ X0 @ X1)))),
% 59.98/9.11      inference('cnf', [status(esa)], [multiply])).
% 59.98/9.11  thf(zip_derived_cl13, plain,
% 59.98/9.11      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i]:
% 59.98/9.11         ((multiply @ 
% 59.98/9.11           (double_divide @ (multiply @ (multiply @ X0 @ X3) @ X2) @ 
% 59.98/9.11            (multiply @ (double_divide @ X4 @ X5) @ X5)) @ 
% 59.98/9.11           (double_divide @ X4 @ (inverse @ X0)))
% 59.98/9.11           = (inverse @ 
% 59.98/9.11              (double_divide @ (inverse @ X3) @ 
% 59.98/9.11               (multiply @ (double_divide @ X2 @ X1) @ X1))))),
% 59.98/9.11      inference('demod', [status(thm)], [zip_derived_cl10, zip_derived_cl1])).
% 59.98/9.11  thf(zip_derived_cl13, plain,
% 59.98/9.11      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i]:
% 59.98/9.11         ((multiply @ 
% 59.98/9.11           (double_divide @ (multiply @ (multiply @ X0 @ X3) @ X2) @ 
% 59.98/9.11            (multiply @ (double_divide @ X4 @ X5) @ X5)) @ 
% 59.98/9.11           (double_divide @ X4 @ (inverse @ X0)))
% 59.98/9.11           = (inverse @ 
% 59.98/9.11              (double_divide @ (inverse @ X3) @ 
% 59.98/9.11               (multiply @ (double_divide @ X2 @ X1) @ X1))))),
% 59.98/9.11      inference('demod', [status(thm)], [zip_derived_cl10, zip_derived_cl1])).
% 59.98/9.11  thf(zip_derived_cl64, plain,
% 59.98/9.11      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i]:
% 59.98/9.11         ((inverse @ 
% 59.98/9.11           (double_divide @ (inverse @ X2) @ 
% 59.98/9.11            (multiply @ (double_divide @ X1 @ X0) @ X0)))
% 59.98/9.11           = (inverse @ 
% 59.98/9.11              (double_divide @ (inverse @ X2) @ 
% 59.98/9.11               (multiply @ (double_divide @ X1 @ X3) @ X3))))),
% 59.98/9.11      inference('sup+', [status(thm)], [zip_derived_cl13, zip_derived_cl13])).
% 59.98/9.11  thf(zip_derived_cl1, plain,
% 59.98/9.11      (![X0 : $i, X1 : $i]:
% 59.98/9.11         ((multiply @ X1 @ X0) = (inverse @ (double_divide @ X0 @ X1)))),
% 59.98/9.11      inference('cnf', [status(esa)], [multiply])).
% 59.98/9.11  thf(zip_derived_cl100, plain,
% 59.98/9.11      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i]:
% 59.98/9.11         ((multiply @ (multiply @ (double_divide @ X1 @ X3) @ X3) @ 
% 59.98/9.11           (inverse @ X2))
% 59.98/9.11           = (inverse @ 
% 59.98/9.11              (double_divide @ (inverse @ X2) @ 
% 59.98/9.11               (multiply @ (double_divide @ X1 @ X0) @ X0))))),
% 59.98/9.11      inference('sup+', [status(thm)], [zip_derived_cl64, zip_derived_cl1])).
% 59.98/9.11  thf(zip_derived_cl3, plain,
% 59.98/9.11      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i]:
% 59.98/9.11         ((double_divide @ (double_divide @ X1 @ (multiply @ X0 @ X2)) @ 
% 59.98/9.11           (double_divide @ (inverse @ X2) @ 
% 59.98/9.11            (multiply @ (double_divide @ X1 @ X3) @ X3)))
% 59.98/9.11           = (X0))),
% 59.98/9.11      inference('demod', [status(thm)],
% 59.98/9.11                [zip_derived_cl0, zip_derived_cl1, zip_derived_cl1])).
% 59.98/9.11  thf(zip_derived_cl165, plain,
% 59.98/9.11      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i]:
% 59.98/9.11         ((double_divide @ 
% 59.98/9.11           (double_divide @ X5 @ 
% 59.98/9.11            (inverse @ 
% 59.98/9.11             (double_divide @ (inverse @ X2) @ 
% 59.98/9.11              (multiply @ (double_divide @ X1 @ X0) @ X0)))) @ 
% 59.98/9.11           (double_divide @ (inverse @ (inverse @ X2)) @ 
% 59.98/9.11            (multiply @ (double_divide @ X5 @ X4) @ X4)))
% 59.98/9.11           = (multiply @ (double_divide @ X1 @ X3) @ X3))),
% 59.98/9.11      inference('sup+', [status(thm)], [zip_derived_cl100, zip_derived_cl3])).
% 59.98/9.11  thf(zip_derived_cl1, plain,
% 59.98/9.11      (![X0 : $i, X1 : $i]:
% 59.98/9.11         ((multiply @ X1 @ X0) = (inverse @ (double_divide @ X0 @ X1)))),
% 59.98/9.11      inference('cnf', [status(esa)], [multiply])).
% 59.98/9.11  thf(zip_derived_cl3, plain,
% 59.98/9.11      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i]:
% 59.98/9.11         ((double_divide @ (double_divide @ X1 @ (multiply @ X0 @ X2)) @ 
% 59.98/9.11           (double_divide @ (inverse @ X2) @ 
% 59.98/9.11            (multiply @ (double_divide @ X1 @ X3) @ X3)))
% 59.98/9.11           = (X0))),
% 59.98/9.11      inference('demod', [status(thm)],
% 59.98/9.11                [zip_derived_cl0, zip_derived_cl1, zip_derived_cl1])).
% 59.98/9.11  thf(zip_derived_cl202, plain,
% 59.98/9.11      (![X0 : $i, X1 : $i, X3 : $i]:
% 59.98/9.11         ((multiply @ (double_divide @ X1 @ X0) @ X0)
% 59.98/9.11           = (multiply @ (double_divide @ X1 @ X3) @ X3))),
% 59.98/9.11      inference('demod', [status(thm)],
% 59.98/9.11                [zip_derived_cl165, zip_derived_cl1, zip_derived_cl3])).
% 59.98/9.11  thf(zip_derived_cl1, plain,
% 59.98/9.11      (![X0 : $i, X1 : $i]:
% 59.98/9.11         ((multiply @ X1 @ X0) = (inverse @ (double_divide @ X0 @ X1)))),
% 59.98/9.11      inference('cnf', [status(esa)], [multiply])).
% 59.98/9.11  thf(zip_derived_cl3, plain,
% 59.98/9.11      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i]:
% 59.98/9.11         ((double_divide @ (double_divide @ X1 @ (multiply @ X0 @ X2)) @ 
% 59.98/9.11           (double_divide @ (inverse @ X2) @ 
% 59.98/9.11            (multiply @ (double_divide @ X1 @ X3) @ X3)))
% 59.98/9.11           = (X0))),
% 59.98/9.11      inference('demod', [status(thm)],
% 59.98/9.11                [zip_derived_cl0, zip_derived_cl1, zip_derived_cl1])).
% 59.98/9.11  thf(zip_derived_cl7, plain,
% 59.98/9.11      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i]:
% 59.98/9.11         ((double_divide @ 
% 59.98/9.11           (double_divide @ X4 @ (multiply @ X2 @ (double_divide @ X0 @ X1))) @ 
% 59.98/9.11           (double_divide @ (multiply @ X1 @ X0) @ 
% 59.98/9.11            (multiply @ (double_divide @ X4 @ X3) @ X3)))
% 59.98/9.11           = (X2))),
% 59.98/9.11      inference('sup+', [status(thm)], [zip_derived_cl1, zip_derived_cl3])).
% 59.98/9.11  thf(zip_derived_cl267, plain,
% 59.98/9.11      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i]:
% 59.98/9.11         ((double_divide @ 
% 59.98/9.11           (double_divide @ X5 @ (multiply @ (double_divide @ X1 @ X0) @ X0)) @ 
% 59.98/9.11           (double_divide @ (multiply @ X2 @ X3) @ 
% 59.98/9.11            (multiply @ (double_divide @ X5 @ X4) @ X4)))
% 59.98/9.11           = (double_divide @ X1 @ (double_divide @ X3 @ X2)))),
% 59.98/9.11      inference('sup+', [status(thm)], [zip_derived_cl202, zip_derived_cl7])).
% 59.98/9.11  thf(zip_derived_cl202, plain,
% 59.98/9.11      (![X0 : $i, X1 : $i, X3 : $i]:
% 59.98/9.11         ((multiply @ (double_divide @ X1 @ X0) @ X0)
% 59.98/9.11           = (multiply @ (double_divide @ X1 @ X3) @ X3))),
% 59.98/9.11      inference('demod', [status(thm)],
% 59.98/9.11                [zip_derived_cl165, zip_derived_cl1, zip_derived_cl3])).
% 59.98/9.11  thf(zip_derived_cl7, plain,
% 59.98/9.11      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i]:
% 59.98/9.11         ((double_divide @ 
% 59.98/9.11           (double_divide @ X4 @ (multiply @ X2 @ (double_divide @ X0 @ X1))) @ 
% 59.98/9.11           (double_divide @ (multiply @ X1 @ X0) @ 
% 59.98/9.11            (multiply @ (double_divide @ X4 @ X3) @ X3)))
% 59.98/9.11           = (X2))),
% 59.98/9.11      inference('sup+', [status(thm)], [zip_derived_cl1, zip_derived_cl3])).
% 59.98/9.11  thf(zip_derived_cl259, plain,
% 59.98/9.11      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i]:
% 59.98/9.11         ((double_divide @ 
% 59.98/9.11           (double_divide @ X4 @ 
% 59.98/9.11            (multiply @ X2 @ (double_divide @ X5 @ (double_divide @ X1 @ X5)))) @ 
% 59.98/9.11           (double_divide @ (multiply @ (double_divide @ X1 @ X0) @ X0) @ 
% 59.98/9.11            (multiply @ (double_divide @ X4 @ X3) @ X3)))
% 59.98/9.11           = (X2))),
% 59.98/9.11      inference('sup+', [status(thm)], [zip_derived_cl202, zip_derived_cl7])).
% 59.98/9.11  thf(zip_derived_cl3481, plain,
% 59.98/9.11      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i]:
% 59.98/9.11         ((double_divide @ X2 @ 
% 59.98/9.11           (double_divide @ X0 @ (double_divide @ X1 @ X0)))
% 59.98/9.11           = (double_divide @ X2 @ 
% 59.98/9.11              (double_divide @ X3 @ (double_divide @ X1 @ X3))))),
% 59.98/9.11      inference('sup+', [status(thm)], [zip_derived_cl267, zip_derived_cl259])).
% 59.98/9.11  thf(zip_derived_cl1, plain,
% 59.98/9.11      (![X0 : $i, X1 : $i]:
% 59.98/9.11         ((multiply @ X1 @ X0) = (inverse @ (double_divide @ X0 @ X1)))),
% 59.98/9.11      inference('cnf', [status(esa)], [multiply])).
% 59.98/9.11  thf(zip_derived_cl3568, plain,
% 59.98/9.11      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i]:
% 59.98/9.11         ((multiply @ (double_divide @ X3 @ (double_divide @ X1 @ X3)) @ X2)
% 59.98/9.11           = (inverse @ 
% 59.98/9.11              (double_divide @ X2 @ 
% 59.98/9.11               (double_divide @ X0 @ (double_divide @ X1 @ X0)))))),
% 59.98/9.11      inference('sup+', [status(thm)], [zip_derived_cl3481, zip_derived_cl1])).
% 59.98/9.11  thf(zip_derived_cl3, plain,
% 59.98/9.11      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i]:
% 59.98/9.11         ((double_divide @ (double_divide @ X1 @ (multiply @ X0 @ X2)) @ 
% 59.98/9.11           (double_divide @ (inverse @ X2) @ 
% 59.98/9.11            (multiply @ (double_divide @ X1 @ X3) @ X3)))
% 59.98/9.11           = (X0))),
% 59.98/9.11      inference('demod', [status(thm)],
% 59.98/9.11                [zip_derived_cl0, zip_derived_cl1, zip_derived_cl1])).
% 59.98/9.11  thf(zip_derived_cl4237, plain,
% 59.98/9.11      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i]:
% 59.98/9.11         ((double_divide @ 
% 59.98/9.11           (double_divide @ X5 @ 
% 59.98/9.11            (inverse @ 
% 59.98/9.11             (double_divide @ X2 @ 
% 59.98/9.11              (double_divide @ X0 @ (double_divide @ X1 @ X0))))) @ 
% 59.98/9.11           (double_divide @ (inverse @ X2) @ 
% 59.98/9.11            (multiply @ (double_divide @ X5 @ X4) @ X4)))
% 59.98/9.11           = (double_divide @ X3 @ (double_divide @ X1 @ X3)))),
% 59.98/9.11      inference('sup+', [status(thm)], [zip_derived_cl3568, zip_derived_cl3])).
% 59.98/9.11  thf(zip_derived_cl1, plain,
% 59.98/9.11      (![X0 : $i, X1 : $i]:
% 59.98/9.11         ((multiply @ X1 @ X0) = (inverse @ (double_divide @ X0 @ X1)))),
% 59.98/9.11      inference('cnf', [status(esa)], [multiply])).
% 59.98/9.11  thf(zip_derived_cl3, plain,
% 59.98/9.11      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i]:
% 59.98/9.11         ((double_divide @ (double_divide @ X1 @ (multiply @ X0 @ X2)) @ 
% 59.98/9.11           (double_divide @ (inverse @ X2) @ 
% 59.98/9.11            (multiply @ (double_divide @ X1 @ X3) @ X3)))
% 59.98/9.11           = (X0))),
% 59.98/9.11      inference('demod', [status(thm)],
% 59.98/9.11                [zip_derived_cl0, zip_derived_cl1, zip_derived_cl1])).
% 59.98/9.11  thf(zip_derived_cl4396, plain,
% 59.98/9.11      (![X0 : $i, X1 : $i, X3 : $i]:
% 59.98/9.11         ((double_divide @ X0 @ (double_divide @ X1 @ X0))
% 59.98/9.11           = (double_divide @ X3 @ (double_divide @ X1 @ X3)))),
% 59.98/9.11      inference('demod', [status(thm)],
% 59.98/9.11                [zip_derived_cl4237, zip_derived_cl1, zip_derived_cl3])).
% 59.98/9.11  thf(zip_derived_cl202, plain,
% 59.98/9.11      (![X0 : $i, X1 : $i, X3 : $i]:
% 59.98/9.11         ((multiply @ (double_divide @ X1 @ X0) @ X0)
% 59.98/9.11           = (multiply @ (double_divide @ X1 @ X3) @ X3))),
% 59.98/9.11      inference('demod', [status(thm)],
% 59.98/9.11                [zip_derived_cl165, zip_derived_cl1, zip_derived_cl3])).
% 59.98/9.11  thf(zip_derived_cl4486, plain,
% 59.98/9.11      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i]:
% 59.98/9.11         ((multiply @ (double_divide @ X2 @ X3) @ X3)
% 59.98/9.11           = (multiply @ (double_divide @ X0 @ (double_divide @ X1 @ X0)) @ 
% 59.98/9.11              (double_divide @ X1 @ X2)))),
% 59.98/9.11      inference('sup+', [status(thm)], [zip_derived_cl4396, zip_derived_cl202])).
% 59.98/9.11  thf(zip_derived_cl13, plain,
% 59.98/9.11      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i]:
% 59.98/9.11         ((multiply @ 
% 59.98/9.11           (double_divide @ (multiply @ (multiply @ X0 @ X3) @ X2) @ 
% 59.98/9.11            (multiply @ (double_divide @ X4 @ X5) @ X5)) @ 
% 59.98/9.11           (double_divide @ X4 @ (inverse @ X0)))
% 59.98/9.11           = (inverse @ 
% 59.98/9.11              (double_divide @ (inverse @ X3) @ 
% 59.98/9.11               (multiply @ (double_divide @ X2 @ X1) @ X1))))),
% 59.98/9.11      inference('demod', [status(thm)], [zip_derived_cl10, zip_derived_cl1])).
% 59.98/9.11  thf(zip_derived_cl5338, plain,
% 59.98/9.11      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, X7 : $i]:
% 59.98/9.11         ((multiply @ 
% 59.98/9.11           (double_divide @ 
% 59.98/9.11            (multiply @ (multiply @ (double_divide @ X1 @ X0) @ X0) @ X3) @ 
% 59.98/9.11            (multiply @ (double_divide @ X6 @ X7) @ X7)) @ 
% 59.98/9.11           (double_divide @ X6 @ 
% 59.98/9.11            (inverse @ (double_divide @ X5 @ (double_divide @ X4 @ X5)))))
% 59.98/9.11           = (inverse @ 
% 59.98/9.11              (double_divide @ (inverse @ (double_divide @ X4 @ X1)) @ 
% 59.98/9.11               (multiply @ (double_divide @ X3 @ X2) @ X2))))),
% 59.98/9.11      inference('sup+', [status(thm)], [zip_derived_cl4486, zip_derived_cl13])).
% 59.98/9.11  thf(zip_derived_cl1, plain,
% 59.98/9.11      (![X0 : $i, X1 : $i]:
% 59.98/9.11         ((multiply @ X1 @ X0) = (inverse @ (double_divide @ X0 @ X1)))),
% 59.98/9.11      inference('cnf', [status(esa)], [multiply])).
% 59.98/9.11  thf(zip_derived_cl202, plain,
% 59.98/9.11      (![X0 : $i, X1 : $i, X3 : $i]:
% 59.98/9.11         ((multiply @ (double_divide @ X1 @ X0) @ X0)
% 59.98/9.11           = (multiply @ (double_divide @ X1 @ X3) @ X3))),
% 59.98/9.11      inference('demod', [status(thm)],
% 59.98/9.11                [zip_derived_cl165, zip_derived_cl1, zip_derived_cl3])).
% 59.98/9.11  thf(zip_derived_cl1, plain,
% 59.98/9.11      (![X0 : $i, X1 : $i]:
% 59.98/9.11         ((multiply @ X1 @ X0) = (inverse @ (double_divide @ X0 @ X1)))),
% 59.98/9.11      inference('cnf', [status(esa)], [multiply])).
% 59.98/9.11  thf(zip_derived_cl5, plain,
% 59.98/9.11      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i]:
% 59.98/9.11         ((multiply @ 
% 59.98/9.11           (double_divide @ (inverse @ X3) @ 
% 59.98/9.11            (multiply @ (double_divide @ X2 @ X1) @ X1)) @ 
% 59.98/9.11           (double_divide @ X2 @ (multiply @ X0 @ X3))) = (inverse @ X0))),
% 59.98/9.11      inference('sup+', [status(thm)], [zip_derived_cl3, zip_derived_cl1])).
% 59.98/9.11  thf(zip_derived_cl12, plain,
% 59.98/9.11      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i]:
% 59.98/9.11         ((multiply @ 
% 59.98/9.11           (double_divide @ (multiply @ X1 @ X0) @ 
% 59.98/9.11            (multiply @ (double_divide @ X3 @ X4) @ X4)) @ 
% 59.98/9.11           (double_divide @ X3 @ (multiply @ X2 @ (double_divide @ X0 @ X1))))
% 59.98/9.11           = (inverse @ X2))),
% 59.98/9.11      inference('sup+', [status(thm)], [zip_derived_cl1, zip_derived_cl5])).
% 59.98/9.11  thf(zip_derived_cl268, plain,
% 59.98/9.11      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i]:
% 59.98/9.11         ((multiply @ 
% 59.98/9.11           (double_divide @ (multiply @ X2 @ X3) @ 
% 59.98/9.11            (multiply @ (double_divide @ X4 @ X5) @ X5)) @ 
% 59.98/9.11           (double_divide @ X4 @ (multiply @ (double_divide @ X1 @ X0) @ X0)))
% 59.98/9.11           = (inverse @ (double_divide @ X1 @ (double_divide @ X3 @ X2))))),
% 59.98/9.11      inference('sup+', [status(thm)], [zip_derived_cl202, zip_derived_cl12])).
% 59.98/9.11  thf(zip_derived_cl1, plain,
% 59.98/9.11      (![X0 : $i, X1 : $i]:
% 59.98/9.11         ((multiply @ X1 @ X0) = (inverse @ (double_divide @ X0 @ X1)))),
% 59.98/9.11      inference('cnf', [status(esa)], [multiply])).
% 59.98/9.11  thf(zip_derived_cl313, plain,
% 59.98/9.11      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i]:
% 59.98/9.11         ((multiply @ 
% 59.98/9.11           (double_divide @ (multiply @ X2 @ X3) @ 
% 59.98/9.11            (multiply @ (double_divide @ X4 @ X5) @ X5)) @ 
% 59.98/9.11           (double_divide @ X4 @ (multiply @ (double_divide @ X1 @ X0) @ X0)))
% 59.98/9.11           = (multiply @ (double_divide @ X3 @ X2) @ X1))),
% 59.98/9.11      inference('demod', [status(thm)], [zip_derived_cl268, zip_derived_cl1])).
% 59.98/9.11  thf(zip_derived_cl1, plain,
% 59.98/9.11      (![X0 : $i, X1 : $i]:
% 59.98/9.11         ((multiply @ X1 @ X0) = (inverse @ (double_divide @ X0 @ X1)))),
% 59.98/9.11      inference('cnf', [status(esa)], [multiply])).
% 59.98/9.11  thf(zip_derived_cl1, plain,
% 59.98/9.11      (![X0 : $i, X1 : $i]:
% 59.98/9.11         ((multiply @ X1 @ X0) = (inverse @ (double_divide @ X0 @ X1)))),
% 59.98/9.11      inference('cnf', [status(esa)], [multiply])).
% 59.98/9.11  thf(zip_derived_cl64, plain,
% 59.98/9.11      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i]:
% 59.98/9.11         ((inverse @ 
% 59.98/9.11           (double_divide @ (inverse @ X2) @ 
% 59.98/9.11            (multiply @ (double_divide @ X1 @ X0) @ X0)))
% 59.98/9.11           = (inverse @ 
% 59.98/9.11              (double_divide @ (inverse @ X2) @ 
% 59.98/9.11               (multiply @ (double_divide @ X1 @ X3) @ X3))))),
% 59.98/9.11      inference('sup+', [status(thm)], [zip_derived_cl13, zip_derived_cl13])).
% 59.98/9.11  thf(zip_derived_cl118, plain,
% 59.98/9.11      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i]:
% 59.98/9.11         ((inverse @ 
% 59.98/9.11           (double_divide @ (multiply @ X1 @ X0) @ 
% 59.98/9.11            (multiply @ (double_divide @ X3 @ X4) @ X4)))
% 59.98/9.11           = (inverse @ 
% 59.98/9.11              (double_divide @ (inverse @ (double_divide @ X0 @ X1)) @ 
% 59.98/9.11               (multiply @ (double_divide @ X3 @ X2) @ X2))))),
% 59.98/9.11      inference('sup+', [status(thm)], [zip_derived_cl1, zip_derived_cl64])).
% 59.98/9.11  thf(zip_derived_cl1, plain,
% 59.98/9.11      (![X0 : $i, X1 : $i]:
% 59.98/9.11         ((multiply @ X1 @ X0) = (inverse @ (double_divide @ X0 @ X1)))),
% 59.98/9.11      inference('cnf', [status(esa)], [multiply])).
% 59.98/9.11  thf(zip_derived_cl1, plain,
% 59.98/9.11      (![X0 : $i, X1 : $i]:
% 59.98/9.11         ((multiply @ X1 @ X0) = (inverse @ (double_divide @ X0 @ X1)))),
% 59.98/9.11      inference('cnf', [status(esa)], [multiply])).
% 59.98/9.11  thf(zip_derived_cl130, plain,
% 59.98/9.11      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i]:
% 59.98/9.11         ((inverse @ 
% 59.98/9.11           (double_divide @ (multiply @ X1 @ X0) @ 
% 59.98/9.11            (multiply @ (double_divide @ X3 @ X4) @ X4)))
% 59.98/9.11           = (multiply @ (multiply @ (double_divide @ X3 @ X2) @ X2) @ 
% 59.98/9.11              (multiply @ X1 @ X0)))),
% 59.98/9.11      inference('demod', [status(thm)],
% 59.98/9.11                [zip_derived_cl118, zip_derived_cl1, zip_derived_cl1])).
% 59.98/9.11  thf(zip_derived_cl5623, plain,
% 59.98/9.11      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i]:
% 59.98/9.11         ((multiply @ 
% 59.98/9.11           (double_divide @ X3 @ (multiply @ (double_divide @ X1 @ X0) @ X0)) @ 
% 59.98/9.11           X4)
% 59.98/9.11           = (multiply @ (multiply @ (double_divide @ X3 @ X2) @ X2) @ 
% 59.98/9.11              (multiply @ X1 @ X4)))),
% 59.98/9.11      inference('demod', [status(thm)],
% 59.98/9.11                [zip_derived_cl5338, zip_derived_cl1, zip_derived_cl313, 
% 59.98/9.11                 zip_derived_cl1, zip_derived_cl130])).
% 59.98/9.11  thf(zip_derived_cl202, plain,
% 59.98/9.11      (![X0 : $i, X1 : $i, X3 : $i]:
% 59.98/9.11         ((multiply @ (double_divide @ X1 @ X0) @ X0)
% 59.98/9.11           = (multiply @ (double_divide @ X1 @ X3) @ X3))),
% 59.98/9.11      inference('demod', [status(thm)],
% 59.98/9.11                [zip_derived_cl165, zip_derived_cl1, zip_derived_cl3])).
% 59.98/9.11  thf(zip_derived_cl5, plain,
% 59.98/9.11      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i]:
% 59.98/9.11         ((multiply @ 
% 59.98/9.11           (double_divide @ (inverse @ X3) @ 
% 59.98/9.11            (multiply @ (double_divide @ X2 @ X1) @ X1)) @ 
% 59.98/9.11           (double_divide @ X2 @ (multiply @ X0 @ X3))) = (inverse @ X0))),
% 59.98/9.11      inference('sup+', [status(thm)], [zip_derived_cl3, zip_derived_cl1])).
% 59.98/9.11  thf(zip_derived_cl264, plain,
% 59.98/9.11      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i]:
% 59.98/9.11         ((multiply @ 
% 59.98/9.11           (double_divide @ (inverse @ X2) @ 
% 59.98/9.11            (multiply @ (double_divide @ X3 @ X4) @ X4)) @ 
% 59.98/9.11           (double_divide @ X3 @ (multiply @ (double_divide @ X1 @ X0) @ X0)))
% 59.98/9.11           = (inverse @ (double_divide @ X1 @ X2)))),
% 59.98/9.11      inference('sup+', [status(thm)], [zip_derived_cl202, zip_derived_cl5])).
% 59.98/9.11  thf(zip_derived_cl1, plain,
% 59.98/9.11      (![X0 : $i, X1 : $i]:
% 59.98/9.11         ((multiply @ X1 @ X0) = (inverse @ (double_divide @ X0 @ X1)))),
% 59.98/9.11      inference('cnf', [status(esa)], [multiply])).
% 59.98/9.11  thf(zip_derived_cl311, plain,
% 59.98/9.11      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i]:
% 59.98/9.11         ((multiply @ 
% 59.98/9.11           (double_divide @ (inverse @ X2) @ 
% 59.98/9.11            (multiply @ (double_divide @ X3 @ X4) @ X4)) @ 
% 59.98/9.11           (double_divide @ X3 @ (multiply @ (double_divide @ X1 @ X0) @ X0)))
% 59.98/9.11           = (multiply @ X2 @ X1))),
% 59.98/9.11      inference('demod', [status(thm)], [zip_derived_cl264, zip_derived_cl1])).
% 59.98/9.11  thf(zip_derived_cl3, plain,
% 59.98/9.11      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i]:
% 59.98/9.11         ((double_divide @ (double_divide @ X1 @ (multiply @ X0 @ X2)) @ 
% 59.98/9.11           (double_divide @ (inverse @ X2) @ 
% 59.98/9.11            (multiply @ (double_divide @ X1 @ X3) @ X3)))
% 59.98/9.11           = (X0))),
% 59.98/9.11      inference('demod', [status(thm)],
% 59.98/9.11                [zip_derived_cl0, zip_derived_cl1, zip_derived_cl1])).
% 59.98/9.11  thf(zip_derived_cl202, plain,
% 59.98/9.11      (![X0 : $i, X1 : $i, X3 : $i]:
% 59.98/9.11         ((multiply @ (double_divide @ X1 @ X0) @ X0)
% 59.98/9.11           = (multiply @ (double_divide @ X1 @ X3) @ X3))),
% 59.98/9.11      inference('demod', [status(thm)],
% 59.98/9.11                [zip_derived_cl165, zip_derived_cl1, zip_derived_cl3])).
% 59.98/9.11  thf(zip_derived_cl303, plain,
% 59.98/9.11      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i]:
% 59.98/9.11         ((multiply @ X0 @ 
% 59.98/9.11           (double_divide @ (inverse @ X2) @ 
% 59.98/9.11            (multiply @ (double_divide @ X3 @ X4) @ X4)))
% 59.98/9.11           = (multiply @ 
% 59.98/9.11              (double_divide @ (double_divide @ X3 @ (multiply @ X0 @ X2)) @ X1) @ 
% 59.98/9.11              X1))),
% 59.98/9.11      inference('sup+', [status(thm)], [zip_derived_cl3, zip_derived_cl202])).
% 59.98/9.11  thf(zip_derived_cl532, plain,
% 59.98/9.11      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i]:
% 59.98/9.11         ((multiply @ X1 @ X0)
% 59.98/9.11           = (multiply @ 
% 59.98/9.11              (double_divide @ 
% 59.98/9.11               (double_divide @ X0 @ 
% 59.98/9.11                (multiply @ 
% 59.98/9.11                 (double_divide @ (inverse @ X1) @ 
% 59.98/9.11                  (multiply @ (double_divide @ (inverse @ X3) @ X4) @ X4)) @ 
% 59.98/9.11                 X3)) @ 
% 59.98/9.11               X2) @ 
% 59.98/9.11              X2))),
% 59.98/9.11      inference('sup+', [status(thm)], [zip_derived_cl311, zip_derived_cl303])).
% 59.98/9.11  thf(zip_derived_cl7489, plain,
% 59.98/9.11      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i]:
% 59.98/9.11         ((multiply @ X5 @ X6)
% 59.98/9.11           = (multiply @ 
% 59.98/9.11              (multiply @ 
% 59.98/9.11               (double_divide @ 
% 59.98/9.11                (double_divide @ X6 @ 
% 59.98/9.11                 (multiply @ 
% 59.98/9.11                  (double_divide @ (inverse @ X5) @ 
% 59.98/9.11                   (multiply @ (double_divide @ (inverse @ X3) @ X4) @ X4)) @ 
% 59.98/9.11                  X3)) @ 
% 59.98/9.11                X2) @ 
% 59.98/9.11               X2) @ 
% 59.98/9.11              (multiply @ X1 @ (multiply @ (double_divide @ X1 @ X0) @ X0))))),
% 59.98/9.11      inference('sup+', [status(thm)], [zip_derived_cl5623, zip_derived_cl532])).
% 59.98/9.11  thf(zip_derived_cl532, plain,
% 59.98/9.11      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i]:
% 59.98/9.11         ((multiply @ X1 @ X0)
% 59.98/9.11           = (multiply @ 
% 59.98/9.11              (double_divide @ 
% 59.98/9.11               (double_divide @ X0 @ 
% 59.98/9.11                (multiply @ 
% 59.98/9.11                 (double_divide @ (inverse @ X1) @ 
% 59.98/9.11                  (multiply @ (double_divide @ (inverse @ X3) @ X4) @ X4)) @ 
% 59.98/9.11                 X3)) @ 
% 59.98/9.11               X2) @ 
% 59.98/9.11              X2))),
% 59.98/9.11      inference('sup+', [status(thm)], [zip_derived_cl311, zip_derived_cl303])).
% 59.98/9.11  thf(zip_derived_cl7659, plain,
% 59.98/9.11      (![X0 : $i, X1 : $i, X5 : $i, X6 : $i]:
% 59.98/9.11         ((multiply @ X5 @ X6)
% 59.98/9.11           = (multiply @ (multiply @ X5 @ X6) @ 
% 59.98/9.11              (multiply @ X1 @ (multiply @ (double_divide @ X1 @ X0) @ X0))))),
% 59.98/9.11      inference('demod', [status(thm)], [zip_derived_cl7489, zip_derived_cl532])).
% 59.98/9.11  thf(zip_derived_cl7765, plain,
% 59.98/9.11      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i]:
% 59.98/9.11         ((multiply @ 
% 59.98/9.11           (double_divide @ (inverse @ X3) @ 
% 59.98/9.11            (multiply @ (double_divide @ X4 @ X5) @ X5)) @ 
% 59.98/9.11           (double_divide @ X4 @ (multiply @ X0 @ X3)))
% 59.98/9.11           = (multiply @ (inverse @ X0) @ 
% 59.98/9.11              (multiply @ X2 @ (multiply @ (double_divide @ X2 @ X1) @ X1))))),
% 59.98/9.11      inference('sup+', [status(thm)], [zip_derived_cl5, zip_derived_cl7659])).
% 59.98/9.11  thf(zip_derived_cl5, plain,
% 59.98/9.11      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i]:
% 59.98/9.11         ((multiply @ 
% 59.98/9.11           (double_divide @ (inverse @ X3) @ 
% 59.98/9.11            (multiply @ (double_divide @ X2 @ X1) @ X1)) @ 
% 59.98/9.11           (double_divide @ X2 @ (multiply @ X0 @ X3))) = (inverse @ X0))),
% 59.98/9.11      inference('sup+', [status(thm)], [zip_derived_cl3, zip_derived_cl1])).
% 59.98/9.11  thf(zip_derived_cl7813, plain,
% 59.98/9.11      (![X0 : $i, X1 : $i, X2 : $i]:
% 59.98/9.11         ((inverse @ X0)
% 59.98/9.11           = (multiply @ (inverse @ X0) @ 
% 59.98/9.11              (multiply @ X2 @ (multiply @ (double_divide @ X2 @ X1) @ X1))))),
% 59.98/9.11      inference('demod', [status(thm)], [zip_derived_cl7765, zip_derived_cl5])).
% 59.98/9.11  thf(zip_derived_cl303, plain,
% 59.98/9.11      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i]:
% 59.98/9.11         ((multiply @ X0 @ 
% 59.98/9.11           (double_divide @ (inverse @ X2) @ 
% 59.98/9.11            (multiply @ (double_divide @ X3 @ X4) @ X4)))
% 59.98/9.11           = (multiply @ 
% 59.98/9.11              (double_divide @ (double_divide @ X3 @ (multiply @ X0 @ X2)) @ X1) @ 
% 59.98/9.11              X1))),
% 59.98/9.11      inference('sup+', [status(thm)], [zip_derived_cl3, zip_derived_cl202])).
% 59.98/9.11  thf(zip_derived_cl12, plain,
% 59.98/9.11      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i]:
% 59.98/9.11         ((multiply @ 
% 59.98/9.11           (double_divide @ (multiply @ X1 @ X0) @ 
% 59.98/9.11            (multiply @ (double_divide @ X3 @ X4) @ X4)) @ 
% 59.98/9.11           (double_divide @ X3 @ (multiply @ X2 @ (double_divide @ X0 @ X1))))
% 59.98/9.11           = (inverse @ X2))),
% 59.98/9.11      inference('sup+', [status(thm)], [zip_derived_cl1, zip_derived_cl5])).
% 59.98/9.11  thf(zip_derived_cl528, plain,
% 59.98/9.11      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i]:
% 59.98/9.11         ((multiply @ 
% 59.98/9.11           (double_divide @ 
% 59.98/9.11            (double_divide @ X5 @ 
% 59.98/9.11             (multiply @ 
% 59.98/9.11              (double_divide @ (multiply @ X4 @ X3) @ 
% 59.98/9.11               (multiply @ (double_divide @ (inverse @ X1) @ X2) @ X2)) @ 
% 59.98/9.11              X1)) @ 
% 59.98/9.11            X0) @ 
% 59.98/9.11           X0) = (inverse @ (double_divide @ X5 @ (double_divide @ X3 @ X4))))),
% 59.98/9.11      inference('sup+', [status(thm)], [zip_derived_cl303, zip_derived_cl12])).
% 59.98/9.11  thf(zip_derived_cl1, plain,
% 59.98/9.11      (![X0 : $i, X1 : $i]:
% 59.98/9.11         ((multiply @ X1 @ X0) = (inverse @ (double_divide @ X0 @ X1)))),
% 59.98/9.11      inference('cnf', [status(esa)], [multiply])).
% 59.98/9.11  thf(zip_derived_cl581, plain,
% 59.98/9.11      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i]:
% 59.98/9.11         ((multiply @ 
% 59.98/9.11           (double_divide @ 
% 59.98/9.11            (double_divide @ X5 @ 
% 59.98/9.11             (multiply @ 
% 59.98/9.11              (double_divide @ (multiply @ X4 @ X3) @ 
% 59.98/9.11               (multiply @ (double_divide @ (inverse @ X1) @ X2) @ X2)) @ 
% 59.98/9.11              X1)) @ 
% 59.98/9.11            X0) @ 
% 59.98/9.11           X0) = (multiply @ (double_divide @ X3 @ X4) @ X5))),
% 59.98/9.11      inference('demod', [status(thm)], [zip_derived_cl528, zip_derived_cl1])).
% 59.98/9.11  thf(zip_derived_cl7864, plain,
% 59.98/9.11      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i]:
% 59.98/9.11         ((multiply @ 
% 59.98/9.11           (double_divide @ 
% 59.98/9.11            (double_divide @ X1 @ 
% 59.98/9.11             (multiply @ 
% 59.98/9.11              (double_divide @ (inverse @ X0) @ 
% 59.98/9.11               (multiply @ (double_divide @ (inverse @ X5) @ X6) @ X6)) @ 
% 59.98/9.11              X5)) @ 
% 59.98/9.11            X4) @ 
% 59.98/9.11           X4)
% 59.98/9.11           = (multiply @ 
% 59.98/9.11              (double_divide @ 
% 59.98/9.11               (multiply @ X3 @ (multiply @ (double_divide @ X3 @ X2) @ X2)) @ 
% 59.98/9.11               (inverse @ X0)) @ 
% 59.98/9.11              X1))),
% 59.98/9.11      inference('sup+', [status(thm)], [zip_derived_cl7813, zip_derived_cl581])).
% 59.98/9.11  thf(zip_derived_cl532, plain,
% 59.98/9.11      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i]:
% 59.98/9.11         ((multiply @ X1 @ X0)
% 59.98/9.11           = (multiply @ 
% 59.98/9.11              (double_divide @ 
% 59.98/9.11               (double_divide @ X0 @ 
% 59.98/9.11                (multiply @ 
% 59.98/9.11                 (double_divide @ (inverse @ X1) @ 
% 59.98/9.11                  (multiply @ (double_divide @ (inverse @ X3) @ X4) @ X4)) @ 
% 59.98/9.11                 X3)) @ 
% 59.98/9.11               X2) @ 
% 59.98/9.11              X2))),
% 59.98/9.11      inference('sup+', [status(thm)], [zip_derived_cl311, zip_derived_cl303])).
% 59.98/9.11  thf(zip_derived_cl7965, plain,
% 59.98/9.11      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i]:
% 59.98/9.11         ((multiply @ X0 @ X1)
% 59.98/9.11           = (multiply @ 
% 59.98/9.11              (double_divide @ 
% 59.98/9.11               (multiply @ X3 @ (multiply @ (double_divide @ X3 @ X2) @ X2)) @ 
% 59.98/9.11               (inverse @ X0)) @ 
% 59.98/9.11              X1))),
% 59.98/9.11      inference('demod', [status(thm)], [zip_derived_cl7864, zip_derived_cl532])).
% 59.98/9.11  thf(zip_derived_cl3, plain,
% 59.98/9.11      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i]:
% 59.98/9.11         ((double_divide @ (double_divide @ X1 @ (multiply @ X0 @ X2)) @ 
% 59.98/9.11           (double_divide @ (inverse @ X2) @ 
% 59.98/9.11            (multiply @ (double_divide @ X1 @ X3) @ X3)))
% 59.98/9.11           = (X0))),
% 59.98/9.11      inference('demod', [status(thm)],
% 59.98/9.11                [zip_derived_cl0, zip_derived_cl1, zip_derived_cl1])).
% 59.98/9.11  thf(zip_derived_cl8360, plain,
% 59.98/9.11      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i]:
% 59.98/9.11         ((double_divide @ (double_divide @ X5 @ (multiply @ X1 @ X0)) @ 
% 59.98/9.11           (double_divide @ (inverse @ X0) @ 
% 59.98/9.11            (multiply @ (double_divide @ X5 @ X4) @ X4)))
% 59.98/9.11           = (double_divide @ 
% 59.98/9.11              (multiply @ X3 @ (multiply @ (double_divide @ X3 @ X2) @ X2)) @ 
% 59.98/9.11              (inverse @ X1)))),
% 59.98/9.11      inference('sup+', [status(thm)], [zip_derived_cl7965, zip_derived_cl3])).
% 59.98/9.11  thf(zip_derived_cl3, plain,
% 59.98/9.11      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i]:
% 59.98/9.11         ((double_divide @ (double_divide @ X1 @ (multiply @ X0 @ X2)) @ 
% 59.98/9.11           (double_divide @ (inverse @ X2) @ 
% 59.98/9.11            (multiply @ (double_divide @ X1 @ X3) @ X3)))
% 59.98/9.11           = (X0))),
% 59.98/9.11      inference('demod', [status(thm)],
% 59.98/9.11                [zip_derived_cl0, zip_derived_cl1, zip_derived_cl1])).
% 59.98/9.11  thf(zip_derived_cl8564, plain,
% 59.98/9.11      (![X1 : $i, X2 : $i, X3 : $i]:
% 59.98/9.11         ((X1)
% 59.98/9.11           = (double_divide @ 
% 59.98/9.11              (multiply @ X3 @ (multiply @ (double_divide @ X3 @ X2) @ X2)) @ 
% 59.98/9.11              (inverse @ X1)))),
% 59.98/9.11      inference('demod', [status(thm)], [zip_derived_cl8360, zip_derived_cl3])).
% 59.98/9.11  thf(zip_derived_cl202, plain,
% 59.98/9.11      (![X0 : $i, X1 : $i, X3 : $i]:
% 59.98/9.11         ((multiply @ (double_divide @ X1 @ X0) @ X0)
% 59.98/9.11           = (multiply @ (double_divide @ X1 @ X3) @ X3))),
% 59.98/9.11      inference('demod', [status(thm)],
% 59.98/9.11                [zip_derived_cl165, zip_derived_cl1, zip_derived_cl3])).
% 59.98/9.11  thf(zip_derived_cl8611, plain,
% 59.98/9.11      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i]:
% 59.98/9.11         ((multiply @ 
% 59.98/9.11           (double_divide @ 
% 59.98/9.11            (multiply @ X2 @ (multiply @ (double_divide @ X2 @ X1) @ X1)) @ X3) @ 
% 59.98/9.11           X3) = (multiply @ X0 @ (inverse @ X0)))),
% 59.98/9.11      inference('sup+', [status(thm)], [zip_derived_cl8564, zip_derived_cl202])).
% 59.98/9.11  thf(zip_derived_cl3, plain,
% 59.98/9.11      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i]:
% 59.98/9.11         ((double_divide @ (double_divide @ X1 @ (multiply @ X0 @ X2)) @ 
% 59.98/9.11           (double_divide @ (inverse @ X2) @ 
% 59.98/9.11            (multiply @ (double_divide @ X1 @ X3) @ X3)))
% 59.98/9.11           = (X0))),
% 59.98/9.11      inference('demod', [status(thm)],
% 59.98/9.11                [zip_derived_cl0, zip_derived_cl1, zip_derived_cl1])).
% 59.98/9.11  thf(zip_derived_cl9809, plain,
% 59.98/9.11      (![X0 : $i, X1 : $i, X3 : $i, X4 : $i, X5 : $i]:
% 59.98/9.11         ((double_divide @ 
% 59.98/9.11           (double_divide @ 
% 59.98/9.11            (multiply @ X4 @ (multiply @ (double_divide @ X4 @ X3) @ X3)) @ 
% 59.98/9.11            (multiply @ X1 @ X5)) @ 
% 59.98/9.12           (double_divide @ (inverse @ X5) @ (multiply @ X0 @ (inverse @ X0))))
% 59.98/9.12           = (X1))),
% 59.98/9.12      inference('sup+', [status(thm)], [zip_derived_cl8611, zip_derived_cl3])).
% 59.98/9.12  thf(zip_derived_cl1, plain,
% 59.98/9.12      (![X0 : $i, X1 : $i]:
% 59.98/9.12         ((multiply @ X1 @ X0) = (inverse @ (double_divide @ X0 @ X1)))),
% 59.98/9.12      inference('cnf', [status(esa)], [multiply])).
% 59.98/9.12  thf(zip_derived_cl8564, plain,
% 59.98/9.12      (![X1 : $i, X2 : $i, X3 : $i]:
% 59.98/9.12         ((X1)
% 59.98/9.12           = (double_divide @ 
% 59.98/9.12              (multiply @ X3 @ (multiply @ (double_divide @ X3 @ X2) @ X2)) @ 
% 59.98/9.12              (inverse @ X1)))),
% 59.98/9.12      inference('demod', [status(thm)], [zip_derived_cl8360, zip_derived_cl3])).
% 59.98/9.12  thf(zip_derived_cl8709, plain,
% 59.98/9.12      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i]:
% 59.98/9.12         ((double_divide @ X0 @ X1)
% 59.98/9.12           = (double_divide @ 
% 59.98/9.12              (multiply @ X3 @ (multiply @ (double_divide @ X3 @ X2) @ X2)) @ 
% 59.98/9.12              (multiply @ X1 @ X0)))),
% 59.98/9.12      inference('sup+', [status(thm)], [zip_derived_cl1, zip_derived_cl8564])).
% 59.98/9.12  thf(zip_derived_cl10027, plain,
% 59.98/9.12      (![X0 : $i, X1 : $i, X5 : $i]:
% 59.98/9.12         ((double_divide @ (double_divide @ X5 @ X1) @ 
% 59.98/9.12           (double_divide @ (inverse @ X5) @ (multiply @ X0 @ (inverse @ X0))))
% 59.98/9.12           = (X1))),
% 59.98/9.12      inference('demod', [status(thm)],
% 59.98/9.12                [zip_derived_cl9809, zip_derived_cl8709])).
% 59.98/9.12  thf(zip_derived_cl4396, plain,
% 59.98/9.12      (![X0 : $i, X1 : $i, X3 : $i]:
% 59.98/9.12         ((double_divide @ X0 @ (double_divide @ X1 @ X0))
% 59.98/9.12           = (double_divide @ X3 @ (double_divide @ X1 @ X3)))),
% 59.98/9.12      inference('demod', [status(thm)],
% 59.98/9.12                [zip_derived_cl4237, zip_derived_cl1, zip_derived_cl3])).
% 59.98/9.12  thf(zip_derived_cl4396, plain,
% 59.98/9.12      (![X0 : $i, X1 : $i, X3 : $i]:
% 59.98/9.12         ((double_divide @ X0 @ (double_divide @ X1 @ X0))
% 59.98/9.12           = (double_divide @ X3 @ (double_divide @ X1 @ X3)))),
% 59.98/9.12      inference('demod', [status(thm)],
% 59.98/9.12                [zip_derived_cl4237, zip_derived_cl1, zip_derived_cl3])).
% 59.98/9.12  thf(zip_derived_cl4488, plain,
% 59.98/9.12      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i]:
% 59.98/9.12         ((double_divide @ X3 @ (double_divide @ X2 @ X3))
% 59.98/9.12           = (double_divide @ (double_divide @ X1 @ X2) @ 
% 59.98/9.12              (double_divide @ X0 @ (double_divide @ X1 @ X0))))),
% 59.98/9.12      inference('sup+', [status(thm)], [zip_derived_cl4396, zip_derived_cl4396])).
% 59.98/9.12  thf(zip_derived_cl8611, plain,
% 59.98/9.12      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i]:
% 59.98/9.12         ((multiply @ 
% 59.98/9.12           (double_divide @ 
% 59.98/9.12            (multiply @ X2 @ (multiply @ (double_divide @ X2 @ X1) @ X1)) @ X3) @ 
% 59.98/9.12           X3) = (multiply @ X0 @ (inverse @ X0)))),
% 59.98/9.12      inference('sup+', [status(thm)], [zip_derived_cl8564, zip_derived_cl202])).
% 59.98/9.12  thf(zip_derived_cl8709, plain,
% 59.98/9.12      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i]:
% 59.98/9.12         ((double_divide @ X0 @ X1)
% 59.98/9.12           = (double_divide @ 
% 59.98/9.12              (multiply @ X3 @ (multiply @ (double_divide @ X3 @ X2) @ X2)) @ 
% 59.98/9.12              (multiply @ X1 @ X0)))),
% 59.98/9.12      inference('sup+', [status(thm)], [zip_derived_cl1, zip_derived_cl8564])).
% 59.98/9.12  thf(zip_derived_cl9699, plain,
% 59.98/9.12      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i]:
% 59.98/9.12         ((double_divide @ (inverse @ X3) @ X3)
% 59.98/9.12           = (double_divide @ 
% 59.98/9.12              (multiply @ X5 @ (multiply @ (double_divide @ X5 @ X4) @ X4)) @ 
% 59.98/9.12              (multiply @ 
% 59.98/9.12               (double_divide @ 
% 59.98/9.12                (multiply @ X2 @ (multiply @ (double_divide @ X2 @ X1) @ X1)) @ 
% 59.98/9.12                X0) @ 
% 59.98/9.12               X0)))),
% 59.98/9.12      inference('sup+', [status(thm)], [zip_derived_cl8611, zip_derived_cl8709])).
% 59.98/9.12  thf(zip_derived_cl8611, plain,
% 59.98/9.12      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i]:
% 59.98/9.12         ((multiply @ 
% 59.98/9.12           (double_divide @ 
% 59.98/9.12            (multiply @ X2 @ (multiply @ (double_divide @ X2 @ X1) @ X1)) @ X3) @ 
% 59.98/9.12           X3) = (multiply @ X0 @ (inverse @ X0)))),
% 59.98/9.12      inference('sup+', [status(thm)], [zip_derived_cl8564, zip_derived_cl202])).
% 59.98/9.12  thf(zip_derived_cl8709, plain,
% 59.98/9.12      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i]:
% 59.98/9.12         ((double_divide @ X0 @ X1)
% 59.98/9.12           = (double_divide @ 
% 59.98/9.12              (multiply @ X3 @ (multiply @ (double_divide @ X3 @ X2) @ X2)) @ 
% 59.98/9.12              (multiply @ X1 @ X0)))),
% 59.98/9.12      inference('sup+', [status(thm)], [zip_derived_cl1, zip_derived_cl8564])).
% 59.98/9.12  thf(zip_derived_cl9978, plain,
% 59.98/9.12      (![X0 : $i, X3 : $i]:
% 59.98/9.12         ((double_divide @ (inverse @ X3) @ X3)
% 59.98/9.12           = (double_divide @ (inverse @ X0) @ X0))),
% 59.98/9.12      inference('demod', [status(thm)],
% 59.98/9.12                [zip_derived_cl9699, zip_derived_cl8611, zip_derived_cl8709])).
% 59.98/9.12  thf(zip_derived_cl10027, plain,
% 59.98/9.12      (![X0 : $i, X1 : $i, X5 : $i]:
% 59.98/9.12         ((double_divide @ (double_divide @ X5 @ X1) @ 
% 59.98/9.12           (double_divide @ (inverse @ X5) @ (multiply @ X0 @ (inverse @ X0))))
% 59.98/9.12           = (X1))),
% 59.98/9.12      inference('demod', [status(thm)],
% 59.98/9.12                [zip_derived_cl9809, zip_derived_cl8709])).
% 59.98/9.12  thf(zip_derived_cl13474, plain,
% 59.98/9.12      (![X0 : $i, X1 : $i, X2 : $i]:
% 59.98/9.12         ((double_divide @ 
% 59.98/9.12           (double_divide @ (multiply @ X2 @ (inverse @ X2)) @ X1) @ 
% 59.98/9.12           (double_divide @ (inverse @ X0) @ X0)) = (X1))),
% 59.98/9.12      inference('sup+', [status(thm)],
% 59.98/9.12                [zip_derived_cl9978, zip_derived_cl10027])).
% 59.98/9.12  thf(zip_derived_cl3, plain,
% 59.98/9.12      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i]:
% 59.98/9.12         ((double_divide @ (double_divide @ X1 @ (multiply @ X0 @ X2)) @ 
% 59.98/9.12           (double_divide @ (inverse @ X2) @ 
% 59.98/9.12            (multiply @ (double_divide @ X1 @ X3) @ X3)))
% 59.98/9.12           = (X0))),
% 59.98/9.12      inference('demod', [status(thm)],
% 59.98/9.12                [zip_derived_cl0, zip_derived_cl1, zip_derived_cl1])).
% 59.98/9.12  thf(zip_derived_cl13700, plain,
% 59.98/9.12      (![X0 : $i, X1 : $i, X2 : $i]:
% 59.98/9.12         ((multiply @ X2 @ 
% 59.98/9.12           (multiply @ 
% 59.98/9.12            (double_divide @ (multiply @ X1 @ (inverse @ X1)) @ X0) @ X0))
% 59.98/9.12           = (X2))),
% 59.98/9.12      inference('sup+', [status(thm)], [zip_derived_cl13474, zip_derived_cl3])).
% 59.98/9.12  thf(zip_derived_cl8564, plain,
% 59.98/9.12      (![X1 : $i, X2 : $i, X3 : $i]:
% 59.98/9.12         ((X1)
% 59.98/9.12           = (double_divide @ 
% 59.98/9.12              (multiply @ X3 @ (multiply @ (double_divide @ X3 @ X2) @ X2)) @ 
% 59.98/9.12              (inverse @ X1)))),
% 59.98/9.12      inference('demod', [status(thm)], [zip_derived_cl8360, zip_derived_cl3])).
% 59.98/9.12  thf(zip_derived_cl13833, plain,
% 59.98/9.12      (![X0 : $i, X1 : $i]:
% 59.98/9.12         ((X1)
% 59.98/9.12           = (double_divide @ (multiply @ X0 @ (inverse @ X0)) @ (inverse @ X1)))),
% 59.98/9.12      inference('sup+', [status(thm)],
% 59.98/9.12                [zip_derived_cl13700, zip_derived_cl8564])).
% 59.98/9.12  thf(zip_derived_cl4488, plain,
% 59.98/9.12      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i]:
% 59.98/9.12         ((double_divide @ X3 @ (double_divide @ X2 @ X3))
% 59.98/9.12           = (double_divide @ (double_divide @ X1 @ X2) @ 
% 59.98/9.12              (double_divide @ X0 @ (double_divide @ X1 @ X0))))),
% 59.98/9.12      inference('sup+', [status(thm)], [zip_derived_cl4396, zip_derived_cl4396])).
% 59.98/9.12  thf(zip_derived_cl14109, plain,
% 59.98/9.12      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i]:
% 59.98/9.12         ((double_divide @ X3 @ (double_divide @ X2 @ X3))
% 59.98/9.12           = (double_divide @ 
% 59.98/9.12              (double_divide @ (multiply @ X1 @ (inverse @ X1)) @ X2) @ 
% 59.98/9.12              (double_divide @ (inverse @ X0) @ X0)))),
% 59.98/9.12      inference('sup+', [status(thm)],
% 59.98/9.12                [zip_derived_cl13833, zip_derived_cl4488])).
% 59.98/9.12  thf(zip_derived_cl13474, plain,
% 59.98/9.12      (![X0 : $i, X1 : $i, X2 : $i]:
% 59.98/9.12         ((double_divide @ 
% 59.98/9.12           (double_divide @ (multiply @ X2 @ (inverse @ X2)) @ X1) @ 
% 59.98/9.12           (double_divide @ (inverse @ X0) @ X0)) = (X1))),
% 59.98/9.12      inference('sup+', [status(thm)],
% 59.98/9.12                [zip_derived_cl9978, zip_derived_cl10027])).
% 59.98/9.12  thf(zip_derived_cl14207, plain,
% 59.98/9.12      (![X2 : $i, X3 : $i]:
% 59.98/9.12         ((double_divide @ X3 @ (double_divide @ X2 @ X3)) = (X2))),
% 59.98/9.12      inference('demod', [status(thm)],
% 59.98/9.12                [zip_derived_cl14109, zip_derived_cl13474])).
% 59.98/9.12  thf(zip_derived_cl14207, plain,
% 59.98/9.12      (![X2 : $i, X3 : $i]:
% 59.98/9.12         ((double_divide @ X3 @ (double_divide @ X2 @ X3)) = (X2))),
% 59.98/9.12      inference('demod', [status(thm)],
% 59.98/9.12                [zip_derived_cl14109, zip_derived_cl13474])).
% 59.98/9.12  thf(zip_derived_cl14350, plain,
% 59.98/9.12      (![X1 : $i, X2 : $i]:
% 59.98/9.12         ((X2) = (double_divide @ (double_divide @ X1 @ X2) @ X1))),
% 59.98/9.12      inference('demod', [status(thm)],
% 59.98/9.12                [zip_derived_cl4488, zip_derived_cl14207, zip_derived_cl14207])).
% 59.98/9.12  thf(zip_derived_cl14380, plain,
% 59.98/9.12      (![X0 : $i, X1 : $i, X2 : $i]:
% 59.98/9.12         ((double_divide @ (inverse @ X1) @ (multiply @ X2 @ (inverse @ X2)))
% 59.98/9.12           = (double_divide @ X0 @ (double_divide @ X1 @ X0)))),
% 59.98/9.12      inference('sup+', [status(thm)],
% 59.98/9.12                [zip_derived_cl10027, zip_derived_cl14350])).
% 59.98/9.12  thf(zip_derived_cl14207, plain,
% 59.98/9.12      (![X2 : $i, X3 : $i]:
% 59.98/9.12         ((double_divide @ X3 @ (double_divide @ X2 @ X3)) = (X2))),
% 59.98/9.12      inference('demod', [status(thm)],
% 59.98/9.12                [zip_derived_cl14109, zip_derived_cl13474])).
% 59.98/9.12  thf(zip_derived_cl14387, plain,
% 59.98/9.12      (![X1 : $i, X2 : $i]:
% 59.98/9.12         ((double_divide @ (inverse @ X1) @ (multiply @ X2 @ (inverse @ X2)))
% 59.98/9.12           = (X1))),
% 59.98/9.12      inference('demod', [status(thm)],
% 59.98/9.12                [zip_derived_cl14380, zip_derived_cl14207])).
% 59.98/9.12  thf(zip_derived_cl13833, plain,
% 59.98/9.12      (![X0 : $i, X1 : $i]:
% 59.98/9.12         ((X1)
% 59.98/9.12           = (double_divide @ (multiply @ X0 @ (inverse @ X0)) @ (inverse @ X1)))),
% 59.98/9.12      inference('sup+', [status(thm)],
% 59.98/9.12                [zip_derived_cl13700, zip_derived_cl8564])).
% 59.98/9.12  thf(zip_derived_cl14350, plain,
% 59.98/9.12      (![X1 : $i, X2 : $i]:
% 59.98/9.12         ((X2) = (double_divide @ (double_divide @ X1 @ X2) @ X1))),
% 59.98/9.12      inference('demod', [status(thm)],
% 59.98/9.12                [zip_derived_cl4488, zip_derived_cl14207, zip_derived_cl14207])).
% 59.98/9.12  thf(zip_derived_cl14386, plain,
% 59.98/9.12      (![X0 : $i, X1 : $i]:
% 59.98/9.12         ((inverse @ X0)
% 59.98/9.12           = (double_divide @ X0 @ (multiply @ X1 @ (inverse @ X1))))),
% 59.98/9.12      inference('sup+', [status(thm)],
% 59.98/9.12                [zip_derived_cl13833, zip_derived_cl14350])).
% 59.98/9.12  thf(zip_derived_cl14838, plain,
% 59.98/9.12      (![X0 : $i]: ((inverse @ (inverse @ X0)) = (X0))),
% 59.98/9.12      inference('sup+', [status(thm)],
% 59.98/9.12                [zip_derived_cl14387, zip_derived_cl14386])).
% 59.98/9.12  thf(zip_derived_cl14838, plain,
% 59.98/9.12      (![X0 : $i]: ((inverse @ (inverse @ X0)) = (X0))),
% 59.98/9.12      inference('sup+', [status(thm)],
% 59.98/9.12                [zip_derived_cl14387, zip_derived_cl14386])).
% 59.98/9.12  thf(zip_derived_cl13833, plain,
% 59.98/9.12      (![X0 : $i, X1 : $i]:
% 59.98/9.12         ((X1)
% 59.98/9.12           = (double_divide @ (multiply @ X0 @ (inverse @ X0)) @ (inverse @ X1)))),
% 59.98/9.12      inference('sup+', [status(thm)],
% 59.98/9.12                [zip_derived_cl13700, zip_derived_cl8564])).
% 59.98/9.12  thf(zip_derived_cl13474, plain,
% 59.98/9.12      (![X0 : $i, X1 : $i, X2 : $i]:
% 59.98/9.12         ((double_divide @ 
% 59.98/9.12           (double_divide @ (multiply @ X2 @ (inverse @ X2)) @ X1) @ 
% 59.98/9.12           (double_divide @ (inverse @ X0) @ X0)) = (X1))),
% 59.98/9.12      inference('sup+', [status(thm)],
% 59.98/9.12                [zip_derived_cl9978, zip_derived_cl10027])).
% 59.98/9.12  thf(zip_derived_cl14141, plain,
% 59.98/9.12      (![X0 : $i, X1 : $i]:
% 59.98/9.12         ((double_divide @ X0 @ (double_divide @ (inverse @ X1) @ X1))
% 59.98/9.12           = (inverse @ X0))),
% 59.98/9.12      inference('sup+', [status(thm)],
% 59.98/9.12                [zip_derived_cl13833, zip_derived_cl13474])).
% 59.98/9.12  thf(zip_derived_cl14902, plain,
% 59.98/9.12      (![X0 : $i, X1 : $i]:
% 59.98/9.12         ((double_divide @ X1 @ (double_divide @ X0 @ (inverse @ X0)))
% 59.98/9.12           = (inverse @ X1))),
% 59.98/9.12      inference('sup+', [status(thm)],
% 59.98/9.12                [zip_derived_cl14838, zip_derived_cl14141])).
% 59.98/9.12  thf(zip_derived_cl1, plain,
% 59.98/9.12      (![X0 : $i, X1 : $i]:
% 59.98/9.12         ((multiply @ X1 @ X0) = (inverse @ (double_divide @ X0 @ X1)))),
% 59.98/9.12      inference('cnf', [status(esa)], [multiply])).
% 59.98/9.12  thf(zip_derived_cl15477, plain,
% 59.98/9.12      (![X0 : $i, X1 : $i]:
% 59.98/9.12         ((multiply @ (double_divide @ X1 @ (inverse @ X1)) @ X0)
% 59.98/9.12           = (inverse @ (inverse @ X0)))),
% 59.98/9.12      inference('sup+', [status(thm)], [zip_derived_cl14902, zip_derived_cl1])).
% 59.98/9.12  thf(zip_derived_cl14838, plain,
% 59.98/9.12      (![X0 : $i]: ((inverse @ (inverse @ X0)) = (X0))),
% 59.98/9.12      inference('sup+', [status(thm)],
% 59.98/9.12                [zip_derived_cl14387, zip_derived_cl14386])).
% 59.98/9.12  thf(zip_derived_cl15504, plain,
% 59.98/9.12      (![X0 : $i, X1 : $i]:
% 59.98/9.12         ((multiply @ (double_divide @ X1 @ (inverse @ X1)) @ X0) = (X0))),
% 59.98/9.12      inference('demod', [status(thm)],
% 59.98/9.12                [zip_derived_cl15477, zip_derived_cl14838])).
% 59.98/9.12  thf(zip_derived_cl13, plain,
% 59.98/9.12      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i]:
% 59.98/9.12         ((multiply @ 
% 59.98/9.12           (double_divide @ (multiply @ (multiply @ X0 @ X3) @ X2) @ 
% 59.98/9.12            (multiply @ (double_divide @ X4 @ X5) @ X5)) @ 
% 59.98/9.12           (double_divide @ X4 @ (inverse @ X0)))
% 59.98/9.12           = (inverse @ 
% 59.98/9.12              (double_divide @ (inverse @ X3) @ 
% 59.98/9.12               (multiply @ (double_divide @ X2 @ X1) @ X1))))),
% 59.98/9.12      inference('demod', [status(thm)], [zip_derived_cl10, zip_derived_cl1])).
% 59.98/9.12  thf(zip_derived_cl13, plain,
% 59.98/9.12      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i]:
% 59.98/9.12         ((multiply @ 
% 59.98/9.12           (double_divide @ (multiply @ (multiply @ X0 @ X3) @ X2) @ 
% 59.98/9.12            (multiply @ (double_divide @ X4 @ X5) @ X5)) @ 
% 59.98/9.12           (double_divide @ X4 @ (inverse @ X0)))
% 59.98/9.12           = (inverse @ 
% 59.98/9.12              (double_divide @ (inverse @ X3) @ 
% 59.98/9.12               (multiply @ (double_divide @ X2 @ X1) @ X1))))),
% 59.98/9.12      inference('demod', [status(thm)], [zip_derived_cl10, zip_derived_cl1])).
% 59.98/9.12  thf(zip_derived_cl67, plain,
% 59.98/9.12      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 59.98/9.12         X7 : $i, X8 : $i, X9 : $i, X10 : $i]:
% 59.98/9.12         ((multiply @ 
% 59.98/9.12           (double_divide @ 
% 59.98/9.12            (multiply @ 
% 59.98/9.12             (multiply @ 
% 59.98/9.12              (double_divide @ (inverse @ X4) @ 
% 59.98/9.12               (multiply @ (double_divide @ X3 @ X8) @ X8)) @ 
% 59.98/9.12              X7) @ 
% 59.98/9.12             X6) @ 
% 59.98/9.12            (multiply @ (double_divide @ X9 @ X10) @ X10)) @ 
% 59.98/9.12           (double_divide @ X9 @ 
% 59.98/9.12            (multiply @ 
% 59.98/9.12             (double_divide @ (multiply @ (multiply @ X0 @ X4) @ X3) @ 
% 59.98/9.12              (multiply @ (double_divide @ X1 @ X2) @ X2)) @ 
% 59.98/9.12             (double_divide @ X1 @ (inverse @ X0)))))
% 59.98/9.12           = (inverse @ 
% 59.98/9.12              (double_divide @ (inverse @ X7) @ 
% 59.98/9.12               (multiply @ (double_divide @ X6 @ X5) @ X5))))),
% 59.98/9.12      inference('sup+', [status(thm)], [zip_derived_cl13, zip_derived_cl13])).
% 59.98/9.12  thf(zip_derived_cl13, plain,
% 59.98/9.12      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i]:
% 59.98/9.12         ((multiply @ 
% 59.98/9.12           (double_divide @ (multiply @ (multiply @ X0 @ X3) @ X2) @ 
% 59.98/9.12            (multiply @ (double_divide @ X4 @ X5) @ X5)) @ 
% 59.98/9.12           (double_divide @ X4 @ (inverse @ X0)))
% 59.98/9.12           = (inverse @ 
% 59.98/9.12              (double_divide @ (inverse @ X3) @ 
% 59.98/9.12               (multiply @ (double_divide @ X2 @ X1) @ X1))))),
% 59.98/9.12      inference('demod', [status(thm)], [zip_derived_cl10, zip_derived_cl1])).
% 59.98/9.12  thf(zip_derived_cl1, plain,
% 59.98/9.12      (![X0 : $i, X1 : $i]:
% 59.98/9.12         ((multiply @ X1 @ X0) = (inverse @ (double_divide @ X0 @ X1)))),
% 59.98/9.12      inference('cnf', [status(esa)], [multiply])).
% 59.98/9.12  thf(zip_derived_cl78, plain,
% 59.98/9.12      (![X1 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, X7 : $i, X8 : $i, 
% 59.98/9.12         X9 : $i, X10 : $i]:
% 59.98/9.12         ((multiply @ 
% 59.98/9.12           (double_divide @ 
% 59.98/9.12            (multiply @ 
% 59.98/9.12             (multiply @ 
% 59.98/9.12              (double_divide @ (inverse @ X4) @ 
% 59.98/9.12               (multiply @ (double_divide @ X3 @ X8) @ X8)) @ 
% 59.98/9.12              X7) @ 
% 59.98/9.12             X6) @ 
% 59.98/9.12            (multiply @ (double_divide @ X9 @ X10) @ X10)) @ 
% 59.98/9.12           (double_divide @ X9 @ 
% 59.98/9.12            (multiply @ (multiply @ (double_divide @ X3 @ X1) @ X1) @ 
% 59.98/9.12             (inverse @ X4))))
% 59.98/9.12           = (inverse @ 
% 59.98/9.12              (double_divide @ (inverse @ X7) @ 
% 59.98/9.12               (multiply @ (double_divide @ X6 @ X5) @ X5))))),
% 59.98/9.12      inference('demod', [status(thm)],
% 59.98/9.12                [zip_derived_cl67, zip_derived_cl13, zip_derived_cl1])).
% 59.98/9.12  thf(zip_derived_cl13833, plain,
% 59.98/9.12      (![X0 : $i, X1 : $i]:
% 59.98/9.12         ((X1)
% 59.98/9.12           = (double_divide @ (multiply @ X0 @ (inverse @ X0)) @ (inverse @ X1)))),
% 59.98/9.12      inference('sup+', [status(thm)],
% 59.98/9.12                [zip_derived_cl13700, zip_derived_cl8564])).
% 59.98/9.12  thf(zip_derived_cl3568, plain,
% 59.98/9.12      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i]:
% 59.98/9.12         ((multiply @ (double_divide @ X3 @ (double_divide @ X1 @ X3)) @ X2)
% 59.98/9.12           = (inverse @ 
% 59.98/9.12              (double_divide @ X2 @ 
% 59.98/9.12               (double_divide @ X0 @ (double_divide @ X1 @ X0)))))),
% 59.98/9.12      inference('sup+', [status(thm)], [zip_derived_cl3481, zip_derived_cl1])).
% 59.98/9.12  thf(zip_derived_cl202, plain,
% 59.98/9.12      (![X0 : $i, X1 : $i, X3 : $i]:
% 59.98/9.12         ((multiply @ (double_divide @ X1 @ X0) @ X0)
% 59.98/9.12           = (multiply @ (double_divide @ X1 @ X3) @ X3))),
% 59.98/9.12      inference('demod', [status(thm)],
% 59.98/9.12                [zip_derived_cl165, zip_derived_cl1, zip_derived_cl3])).
% 59.98/9.12  thf(zip_derived_cl4279, plain,
% 59.98/9.12      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i]:
% 59.98/9.12         ((multiply @ (double_divide @ X2 @ X3) @ X3)
% 59.98/9.12           = (inverse @ 
% 59.98/9.12              (double_divide @ (double_divide @ X1 @ X2) @ 
% 59.98/9.12               (double_divide @ X0 @ (double_divide @ X1 @ X0)))))),
% 59.98/9.12      inference('sup+', [status(thm)], [zip_derived_cl3568, zip_derived_cl202])).
% 59.98/9.12  thf(zip_derived_cl14105, plain,
% 59.98/9.12      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i]:
% 59.98/9.12         ((multiply @ (double_divide @ X2 @ X3) @ X3)
% 59.98/9.12           = (inverse @ 
% 59.98/9.12              (double_divide @ 
% 59.98/9.12               (double_divide @ (multiply @ X1 @ (inverse @ X1)) @ X2) @ 
% 59.98/9.12               (double_divide @ (inverse @ X0) @ X0))))),
% 59.98/9.12      inference('sup+', [status(thm)],
% 59.98/9.12                [zip_derived_cl13833, zip_derived_cl4279])).
% 59.98/9.12  thf(zip_derived_cl13474, plain,
% 59.98/9.12      (![X0 : $i, X1 : $i, X2 : $i]:
% 59.98/9.12         ((double_divide @ 
% 59.98/9.12           (double_divide @ (multiply @ X2 @ (inverse @ X2)) @ X1) @ 
% 59.98/9.12           (double_divide @ (inverse @ X0) @ X0)) = (X1))),
% 59.98/9.12      inference('sup+', [status(thm)],
% 59.98/9.12                [zip_derived_cl9978, zip_derived_cl10027])).
% 59.98/9.12  thf(zip_derived_cl14206, plain,
% 59.98/9.12      (![X2 : $i, X3 : $i]:
% 59.98/9.12         ((multiply @ (double_divide @ X2 @ X3) @ X3) = (inverse @ X2))),
% 59.98/9.12      inference('demod', [status(thm)],
% 59.98/9.12                [zip_derived_cl14105, zip_derived_cl13474])).
% 59.98/9.12  thf(zip_derived_cl14206, plain,
% 59.98/9.12      (![X2 : $i, X3 : $i]:
% 59.98/9.12         ((multiply @ (double_divide @ X2 @ X3) @ X3) = (inverse @ X2))),
% 59.98/9.12      inference('demod', [status(thm)],
% 59.98/9.12                [zip_derived_cl14105, zip_derived_cl13474])).
% 59.98/9.12  thf(zip_derived_cl14206, plain,
% 59.98/9.12      (![X2 : $i, X3 : $i]:
% 59.98/9.12         ((multiply @ (double_divide @ X2 @ X3) @ X3) = (inverse @ X2))),
% 59.98/9.12      inference('demod', [status(thm)],
% 59.98/9.12                [zip_derived_cl14105, zip_derived_cl13474])).
% 59.98/9.12  thf(zip_derived_cl14206, plain,
% 59.98/9.12      (![X2 : $i, X3 : $i]:
% 59.98/9.12         ((multiply @ (double_divide @ X2 @ X3) @ X3) = (inverse @ X2))),
% 59.98/9.12      inference('demod', [status(thm)],
% 59.98/9.12                [zip_derived_cl14105, zip_derived_cl13474])).
% 59.98/9.12  thf(zip_derived_cl1, plain,
% 59.98/9.12      (![X0 : $i, X1 : $i]:
% 59.98/9.12         ((multiply @ X1 @ X0) = (inverse @ (double_divide @ X0 @ X1)))),
% 59.98/9.12      inference('cnf', [status(esa)], [multiply])).
% 59.98/9.12  thf(zip_derived_cl14278, plain,
% 59.98/9.12      (![X3 : $i, X4 : $i, X6 : $i, X7 : $i, X9 : $i]:
% 59.98/9.12         ((multiply @ 
% 59.98/9.12           (double_divide @ 
% 59.98/9.12            (multiply @ 
% 59.98/9.12             (multiply @ (double_divide @ (inverse @ X4) @ (inverse @ X3)) @ X7) @ 
% 59.98/9.12             X6) @ 
% 59.98/9.12            (inverse @ X9)) @ 
% 59.98/9.12           (double_divide @ X9 @ (multiply @ (inverse @ X3) @ (inverse @ X4))))
% 59.98/9.12           = (multiply @ (inverse @ X6) @ (inverse @ X7)))),
% 59.98/9.12      inference('demod', [status(thm)],
% 59.98/9.12                [zip_derived_cl78, zip_derived_cl14206, zip_derived_cl14206, 
% 59.98/9.12                 zip_derived_cl14206, zip_derived_cl14206, zip_derived_cl1])).
% 59.98/9.12  thf(zip_derived_cl15639, plain,
% 59.98/9.12      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i]:
% 59.98/9.12         ((multiply @ 
% 59.98/9.12           (double_divide @ (multiply @ X0 @ X1) @ (inverse @ X3)) @ 
% 59.98/9.12           (double_divide @ X3 @ 
% 59.98/9.12            (multiply @ (inverse @ (inverse @ X2)) @ (inverse @ X2))))
% 59.98/9.12           = (multiply @ (inverse @ X1) @ (inverse @ X0)))),
% 59.98/9.12      inference('sup+', [status(thm)],
% 59.98/9.12                [zip_derived_cl15504, zip_derived_cl14278])).
% 59.98/9.12  thf(zip_derived_cl14838, plain,
% 59.98/9.12      (![X0 : $i]: ((inverse @ (inverse @ X0)) = (X0))),
% 59.98/9.12      inference('sup+', [status(thm)],
% 59.98/9.12                [zip_derived_cl14387, zip_derived_cl14386])).
% 59.98/9.12  thf(zip_derived_cl14386, plain,
% 59.98/9.12      (![X0 : $i, X1 : $i]:
% 59.98/9.12         ((inverse @ X0)
% 59.98/9.12           = (double_divide @ X0 @ (multiply @ X1 @ (inverse @ X1))))),
% 59.98/9.12      inference('sup+', [status(thm)],
% 59.98/9.12                [zip_derived_cl13833, zip_derived_cl14350])).
% 59.98/9.12  thf(zip_derived_cl14206, plain,
% 59.98/9.12      (![X2 : $i, X3 : $i]:
% 59.98/9.12         ((multiply @ (double_divide @ X2 @ X3) @ X3) = (inverse @ X2))),
% 59.98/9.12      inference('demod', [status(thm)],
% 59.98/9.12                [zip_derived_cl14105, zip_derived_cl13474])).
% 59.98/9.12  thf(zip_derived_cl1, plain,
% 59.98/9.12      (![X0 : $i, X1 : $i]:
% 59.98/9.12         ((multiply @ X1 @ X0) = (inverse @ (double_divide @ X0 @ X1)))),
% 59.98/9.12      inference('cnf', [status(esa)], [multiply])).
% 59.98/9.12  thf(zip_derived_cl14838, plain,
% 59.98/9.12      (![X0 : $i]: ((inverse @ (inverse @ X0)) = (X0))),
% 59.98/9.12      inference('sup+', [status(thm)],
% 59.98/9.12                [zip_derived_cl14387, zip_derived_cl14386])).
% 59.98/9.12  thf(zip_derived_cl14913, plain,
% 59.98/9.12      (![X0 : $i, X1 : $i]:
% 59.98/9.12         ((inverse @ (multiply @ X1 @ X0)) = (double_divide @ X0 @ X1))),
% 59.98/9.12      inference('sup+', [status(thm)], [zip_derived_cl1, zip_derived_cl14838])).
% 59.98/9.12  thf(zip_derived_cl15663, plain,
% 59.98/9.12      (![X0 : $i, X1 : $i]:
% 59.98/9.12         ((double_divide @ X1 @ X0)
% 59.98/9.12           = (multiply @ (inverse @ X1) @ (inverse @ X0)))),
% 59.98/9.12      inference('demod', [status(thm)],
% 59.98/9.12                [zip_derived_cl15639, zip_derived_cl14838, 
% 59.98/9.12                 zip_derived_cl14386, zip_derived_cl14206, zip_derived_cl14913])).
% 59.98/9.12  thf(zip_derived_cl15976, plain,
% 59.98/9.12      (![X0 : $i, X1 : $i]:
% 59.98/9.12         ((double_divide @ X1 @ (inverse @ X0))
% 59.98/9.12           = (multiply @ (inverse @ X1) @ X0))),
% 59.98/9.12      inference('sup+', [status(thm)],
% 59.98/9.12                [zip_derived_cl14838, zip_derived_cl15663])).
% 59.98/9.12  thf(zip_derived_cl16011, plain,
% 59.98/9.12      (![X0 : $i, X1 : $i, X2 : $i]:
% 59.98/9.12         ((double_divide @ (double_divide @ X0 @ X1) @ (inverse @ X2))
% 59.98/9.12           = (multiply @ (multiply @ X1 @ X0) @ X2))),
% 59.98/9.12      inference('sup+', [status(thm)], [zip_derived_cl1, zip_derived_cl15976])).
% 59.98/9.12  thf(zip_derived_cl19254, plain,
% 59.98/9.12      (((double_divide @ (double_divide @ b3 @ a3) @ (inverse @ c3))
% 59.98/9.12         != (multiply @ a3 @ (multiply @ b3 @ c3)))),
% 59.98/9.12      inference('demod', [status(thm)], [zip_derived_cl2, zip_derived_cl16011])).
% 59.98/9.12  thf(zip_derived_cl1, plain,
% 59.98/9.12      (![X0 : $i, X1 : $i]:
% 59.98/9.12         ((multiply @ X1 @ X0) = (inverse @ (double_divide @ X0 @ X1)))),
% 59.98/9.12      inference('cnf', [status(esa)], [multiply])).
% 59.98/9.12  thf(zip_derived_cl14838, plain,
% 59.98/9.12      (![X0 : $i]: ((inverse @ (inverse @ X0)) = (X0))),
% 59.98/9.12      inference('sup+', [status(thm)],
% 59.98/9.12                [zip_derived_cl14387, zip_derived_cl14386])).
% 59.98/9.12  thf(zip_derived_cl15663, plain,
% 59.98/9.12      (![X0 : $i, X1 : $i]:
% 59.98/9.12         ((double_divide @ X1 @ X0)
% 59.98/9.12           = (multiply @ (inverse @ X1) @ (inverse @ X0)))),
% 59.98/9.12      inference('demod', [status(thm)],
% 59.98/9.12                [zip_derived_cl15639, zip_derived_cl14838, 
% 59.98/9.12                 zip_derived_cl14386, zip_derived_cl14206, zip_derived_cl14913])).
% 59.98/9.12  thf(zip_derived_cl15980, plain,
% 59.98/9.12      (![X0 : $i, X1 : $i]:
% 59.98/9.12         ((double_divide @ (inverse @ X0) @ X1)
% 59.98/9.12           = (multiply @ X0 @ (inverse @ X1)))),
% 59.98/9.12      inference('sup+', [status(thm)],
% 59.98/9.12                [zip_derived_cl14838, zip_derived_cl15663])).
% 59.98/9.12  thf(zip_derived_cl16054, plain,
% 59.98/9.12      (![X0 : $i, X1 : $i, X2 : $i]:
% 59.98/9.12         ((double_divide @ (inverse @ X2) @ (double_divide @ X0 @ X1))
% 59.98/9.12           = (multiply @ X2 @ (multiply @ X1 @ X0)))),
% 59.98/9.12      inference('sup+', [status(thm)], [zip_derived_cl1, zip_derived_cl15980])).
% 59.98/9.12  thf(zip_derived_cl19524, plain,
% 59.98/9.12      (((double_divide @ (double_divide @ b3 @ a3) @ (inverse @ c3))
% 59.98/9.12         != (double_divide @ (inverse @ a3) @ (double_divide @ c3 @ b3)))),
% 59.98/9.12      inference('demod', [status(thm)],
% 59.98/9.12                [zip_derived_cl19254, zip_derived_cl16054])).
% 59.98/9.12  thf(zip_derived_cl13, plain,
% 59.98/9.12      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i]:
% 59.98/9.12         ((multiply @ 
% 59.98/9.12           (double_divide @ (multiply @ (multiply @ X0 @ X3) @ X2) @ 
% 59.98/9.12            (multiply @ (double_divide @ X4 @ X5) @ X5)) @ 
% 59.98/9.12           (double_divide @ X4 @ (inverse @ X0)))
% 59.98/9.12           = (inverse @ 
% 59.98/9.12              (double_divide @ (inverse @ X3) @ 
% 59.98/9.12               (multiply @ (double_divide @ X2 @ X1) @ X1))))),
% 59.98/9.12      inference('demod', [status(thm)], [zip_derived_cl10, zip_derived_cl1])).
% 59.98/9.12  thf(zip_derived_cl311, plain,
% 59.98/9.12      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i]:
% 59.98/9.12         ((multiply @ 
% 59.98/9.12           (double_divide @ (inverse @ X2) @ 
% 59.98/9.12            (multiply @ (double_divide @ X3 @ X4) @ X4)) @ 
% 59.98/9.12           (double_divide @ X3 @ (multiply @ (double_divide @ X1 @ X0) @ X0)))
% 59.98/9.12           = (multiply @ X2 @ X1))),
% 59.98/9.12      inference('demod', [status(thm)], [zip_derived_cl264, zip_derived_cl1])).
% 59.98/9.12  thf(zip_derived_cl448, plain,
% 59.98/9.12      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 59.98/9.12         X7 : $i, X8 : $i, X9 : $i]:
% 59.98/9.12         ((multiply @ 
% 59.98/9.12           (double_divide @ 
% 59.98/9.12            (multiply @ 
% 59.98/9.12             (double_divide @ (multiply @ (multiply @ X0 @ X4) @ X3) @ 
% 59.98/9.12              (multiply @ (double_divide @ X1 @ X2) @ X2)) @ 
% 59.98/9.12             (double_divide @ X1 @ (inverse @ X0))) @ 
% 59.98/9.12            (multiply @ (double_divide @ X8 @ X9) @ X9)) @ 
% 59.98/9.12           (double_divide @ X8 @ (multiply @ (double_divide @ X5 @ X7) @ X7)))
% 59.98/9.12           = (multiply @ 
% 59.98/9.12              (double_divide @ (inverse @ X4) @ 
% 59.98/9.12               (multiply @ (double_divide @ X3 @ X6) @ X6)) @ 
% 59.98/9.12              X5))),
% 59.98/9.12      inference('sup+', [status(thm)], [zip_derived_cl13, zip_derived_cl311])).
% 59.98/9.12  thf(zip_derived_cl13, plain,
% 59.98/9.12      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i]:
% 59.98/9.12         ((multiply @ 
% 59.98/9.12           (double_divide @ (multiply @ (multiply @ X0 @ X3) @ X2) @ 
% 59.98/9.12            (multiply @ (double_divide @ X4 @ X5) @ X5)) @ 
% 59.98/9.12           (double_divide @ X4 @ (inverse @ X0)))
% 59.98/9.12           = (inverse @ 
% 59.98/9.12              (double_divide @ (inverse @ X3) @ 
% 59.98/9.12               (multiply @ (double_divide @ X2 @ X1) @ X1))))),
% 59.98/9.12      inference('demod', [status(thm)], [zip_derived_cl10, zip_derived_cl1])).
% 59.98/9.12  thf(zip_derived_cl1, plain,
% 59.98/9.12      (![X0 : $i, X1 : $i]:
% 59.98/9.12         ((multiply @ X1 @ X0) = (inverse @ (double_divide @ X0 @ X1)))),
% 59.98/9.12      inference('cnf', [status(esa)], [multiply])).
% 59.98/9.12  thf(zip_derived_cl451, plain,
% 59.98/9.12      (![X1 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, X7 : $i, X8 : $i, X9 : $i]:
% 59.98/9.12         ((multiply @ 
% 59.98/9.12           (double_divide @ 
% 59.98/9.12            (multiply @ (multiply @ (double_divide @ X3 @ X1) @ X1) @ 
% 59.98/9.12             (inverse @ X4)) @ 
% 59.98/9.12            (multiply @ (double_divide @ X8 @ X9) @ X9)) @ 
% 59.98/9.12           (double_divide @ X8 @ (multiply @ (double_divide @ X5 @ X7) @ X7)))
% 59.98/9.12           = (multiply @ 
% 59.98/9.12              (double_divide @ (inverse @ X4) @ 
% 59.98/9.12               (multiply @ (double_divide @ X3 @ X6) @ X6)) @ 
% 59.98/9.12              X5))),
% 59.98/9.12      inference('demod', [status(thm)],
% 59.98/9.12                [zip_derived_cl448, zip_derived_cl13, zip_derived_cl1])).
% 59.98/9.12  thf(zip_derived_cl14206, plain,
% 59.98/9.12      (![X2 : $i, X3 : $i]:
% 59.98/9.12         ((multiply @ (double_divide @ X2 @ X3) @ X3) = (inverse @ X2))),
% 59.98/9.12      inference('demod', [status(thm)],
% 59.98/9.12                [zip_derived_cl14105, zip_derived_cl13474])).
% 59.98/9.12  thf(zip_derived_cl15663, plain,
% 59.98/9.12      (![X0 : $i, X1 : $i]:
% 59.98/9.12         ((double_divide @ X1 @ X0)
% 59.98/9.12           = (multiply @ (inverse @ X1) @ (inverse @ X0)))),
% 59.98/9.12      inference('demod', [status(thm)],
% 59.98/9.12                [zip_derived_cl15639, zip_derived_cl14838, 
% 59.98/9.12                 zip_derived_cl14386, zip_derived_cl14206, zip_derived_cl14913])).
% 59.98/9.12  thf(zip_derived_cl14206, plain,
% 59.98/9.12      (![X2 : $i, X3 : $i]:
% 59.98/9.12         ((multiply @ (double_divide @ X2 @ X3) @ X3) = (inverse @ X2))),
% 59.98/9.12      inference('demod', [status(thm)],
% 59.98/9.12                [zip_derived_cl14105, zip_derived_cl13474])).
% 59.98/9.12  thf(zip_derived_cl14206, plain,
% 59.98/9.12      (![X2 : $i, X3 : $i]:
% 59.98/9.12         ((multiply @ (double_divide @ X2 @ X3) @ X3) = (inverse @ X2))),
% 59.98/9.12      inference('demod', [status(thm)],
% 59.98/9.12                [zip_derived_cl14105, zip_derived_cl13474])).
% 59.98/9.12  thf(zip_derived_cl14838, plain,
% 59.98/9.12      (![X0 : $i]: ((inverse @ (inverse @ X0)) = (X0))),
% 59.98/9.12      inference('sup+', [status(thm)],
% 59.98/9.12                [zip_derived_cl14387, zip_derived_cl14386])).
% 59.98/9.12  thf(zip_derived_cl8611, plain,
% 59.98/9.12      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i]:
% 59.98/9.12         ((multiply @ 
% 59.98/9.12           (double_divide @ 
% 59.98/9.12            (multiply @ X2 @ (multiply @ (double_divide @ X2 @ X1) @ X1)) @ X3) @ 
% 59.98/9.12           X3) = (multiply @ X0 @ (inverse @ X0)))),
% 59.98/9.12      inference('sup+', [status(thm)], [zip_derived_cl8564, zip_derived_cl202])).
% 59.98/9.12  thf(zip_derived_cl8611, plain,
% 59.98/9.12      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i]:
% 59.98/9.12         ((multiply @ 
% 59.98/9.12           (double_divide @ 
% 59.98/9.12            (multiply @ X2 @ (multiply @ (double_divide @ X2 @ X1) @ X1)) @ X3) @ 
% 59.98/9.12           X3) = (multiply @ X0 @ (inverse @ X0)))),
% 59.98/9.12      inference('sup+', [status(thm)], [zip_derived_cl8564, zip_derived_cl202])).
% 59.98/9.12  thf(zip_derived_cl9880, plain,
% 59.98/9.12      (![X0 : $i, X1 : $i]:
% 59.98/9.12         ((multiply @ X0 @ (inverse @ X0)) = (multiply @ X1 @ (inverse @ X1)))),
% 59.98/9.12      inference('sup+', [status(thm)], [zip_derived_cl8611, zip_derived_cl8611])).
% 59.98/9.12  thf(zip_derived_cl13700, plain,
% 59.98/9.12      (![X0 : $i, X1 : $i, X2 : $i]:
% 59.98/9.12         ((multiply @ X2 @ 
% 59.98/9.12           (multiply @ 
% 59.98/9.12            (double_divide @ (multiply @ X1 @ (inverse @ X1)) @ X0) @ X0))
% 59.98/9.12           = (X2))),
% 59.98/9.12      inference('sup+', [status(thm)], [zip_derived_cl13474, zip_derived_cl3])).
% 59.98/9.12  thf(zip_derived_cl14206, plain,
% 59.98/9.12      (![X2 : $i, X3 : $i]:
% 59.98/9.12         ((multiply @ (double_divide @ X2 @ X3) @ X3) = (inverse @ X2))),
% 59.98/9.12      inference('demod', [status(thm)],
% 59.98/9.12                [zip_derived_cl14105, zip_derived_cl13474])).
% 59.98/9.12  thf(zip_derived_cl14260, plain,
% 59.98/9.12      (![X1 : $i, X2 : $i]:
% 59.98/9.12         ((multiply @ X2 @ (inverse @ (multiply @ X1 @ (inverse @ X1)))) = (X2))),
% 59.98/9.12      inference('demod', [status(thm)],
% 59.98/9.12                [zip_derived_cl13700, zip_derived_cl14206])).
% 59.98/9.12  thf(zip_derived_cl14521, plain,
% 59.98/9.12      (![X0 : $i, X1 : $i]:
% 59.98/9.12         ((multiply @ X1 @ (inverse @ (multiply @ X0 @ (inverse @ X0)))) = (X1))),
% 59.98/9.12      inference('sup+', [status(thm)],
% 59.98/9.12                [zip_derived_cl9880, zip_derived_cl14260])).
% 59.98/9.12  thf(zip_derived_cl13833, plain,
% 59.98/9.12      (![X0 : $i, X1 : $i]:
% 59.98/9.12         ((X1)
% 59.98/9.12           = (double_divide @ (multiply @ X0 @ (inverse @ X0)) @ (inverse @ X1)))),
% 59.98/9.12      inference('sup+', [status(thm)],
% 59.98/9.12                [zip_derived_cl13700, zip_derived_cl8564])).
% 59.98/9.12  thf(zip_derived_cl14207, plain,
% 59.98/9.12      (![X2 : $i, X3 : $i]:
% 59.98/9.12         ((double_divide @ X3 @ (double_divide @ X2 @ X3)) = (X2))),
% 59.98/9.12      inference('demod', [status(thm)],
% 59.98/9.12                [zip_derived_cl14109, zip_derived_cl13474])).
% 59.98/9.12  thf(zip_derived_cl14367, plain,
% 59.98/9.12      (![X0 : $i, X1 : $i]:
% 59.98/9.12         ((double_divide @ (inverse @ X0) @ X0)
% 59.98/9.12           = (multiply @ X1 @ (inverse @ X1)))),
% 59.98/9.12      inference('sup+', [status(thm)],
% 59.98/9.12                [zip_derived_cl13833, zip_derived_cl14207])).
% 59.98/9.12  thf(zip_derived_cl1, plain,
% 59.98/9.12      (![X0 : $i, X1 : $i]:
% 59.98/9.12         ((multiply @ X1 @ X0) = (inverse @ (double_divide @ X0 @ X1)))),
% 59.98/9.12      inference('cnf', [status(esa)], [multiply])).
% 59.98/9.12  thf(zip_derived_cl14367, plain,
% 59.98/9.12      (![X0 : $i, X1 : $i]:
% 59.98/9.12         ((double_divide @ (inverse @ X0) @ X0)
% 59.98/9.12           = (multiply @ X1 @ (inverse @ X1)))),
% 59.98/9.12      inference('sup+', [status(thm)],
% 59.98/9.12                [zip_derived_cl13833, zip_derived_cl14207])).
% 59.98/9.12  thf(zip_derived_cl14529, plain,
% 59.98/9.12      (![X0 : $i, X1 : $i]:
% 59.98/9.12         ((multiply @ X1 @ (double_divide @ (inverse @ X0) @ X0)) = (X1))),
% 59.98/9.12      inference('demod', [status(thm)],
% 59.98/9.12                [zip_derived_cl14521, zip_derived_cl14367, zip_derived_cl1, 
% 59.98/9.12                 zip_derived_cl14367])).
% 59.98/9.12  thf(zip_derived_cl14895, plain,
% 59.98/9.12      (![X0 : $i, X1 : $i]:
% 59.98/9.12         ((multiply @ X1 @ (double_divide @ X0 @ (inverse @ X0))) = (X1))),
% 59.98/9.12      inference('sup+', [status(thm)],
% 59.98/9.12                [zip_derived_cl14838, zip_derived_cl14529])).
% 59.98/9.12  thf(zip_derived_cl14913, plain,
% 59.98/9.12      (![X0 : $i, X1 : $i]:
% 59.98/9.12         ((inverse @ (multiply @ X1 @ X0)) = (double_divide @ X0 @ X1))),
% 59.98/9.12      inference('sup+', [status(thm)], [zip_derived_cl1, zip_derived_cl14838])).
% 59.98/9.12  thf(zip_derived_cl14986, plain,
% 59.98/9.12      (![X0 : $i, X1 : $i]:
% 59.98/9.12         ((inverse @ X0)
% 59.98/9.12           = (double_divide @ (double_divide @ X1 @ (inverse @ X1)) @ X0))),
% 59.98/9.12      inference('sup+', [status(thm)],
% 59.98/9.12                [zip_derived_cl14895, zip_derived_cl14913])).
% 59.98/9.12  thf(zip_derived_cl13, plain,
% 59.98/9.12      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i]:
% 59.98/9.12         ((multiply @ 
% 59.98/9.12           (double_divide @ (multiply @ (multiply @ X0 @ X3) @ X2) @ 
% 59.98/9.12            (multiply @ (double_divide @ X4 @ X5) @ X5)) @ 
% 59.98/9.12           (double_divide @ X4 @ (inverse @ X0)))
% 59.98/9.12           = (inverse @ 
% 59.98/9.12              (double_divide @ (inverse @ X3) @ 
% 59.98/9.12               (multiply @ (double_divide @ X2 @ X1) @ X1))))),
% 59.98/9.12      inference('demod', [status(thm)], [zip_derived_cl10, zip_derived_cl1])).
% 59.98/9.12  thf(zip_derived_cl5, plain,
% 59.98/9.12      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i]:
% 59.98/9.12         ((multiply @ 
% 59.98/9.12           (double_divide @ (inverse @ X3) @ 
% 59.98/9.12            (multiply @ (double_divide @ X2 @ X1) @ X1)) @ 
% 59.98/9.12           (double_divide @ X2 @ (multiply @ X0 @ X3))) = (inverse @ X0))),
% 59.98/9.12      inference('sup+', [status(thm)], [zip_derived_cl3, zip_derived_cl1])).
% 59.98/9.12  thf(zip_derived_cl60, plain,
% 59.98/9.12      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, X7 : $i]:
% 59.98/9.12         ((multiply @ 
% 59.98/9.12           (double_divide @ 
% 59.98/9.12            (inverse @ (double_divide @ X4 @ (inverse @ X5))) @ 
% 59.98/9.12            (multiply @ (double_divide @ X6 @ X7) @ X7)) @ 
% 59.98/9.12           (double_divide @ X6 @ 
% 59.98/9.12            (inverse @ 
% 59.98/9.12             (double_divide @ (inverse @ X2) @ 
% 59.98/9.12              (multiply @ (double_divide @ X1 @ X0) @ X0)))))
% 59.98/9.12           = (inverse @ 
% 59.98/9.12              (double_divide @ (multiply @ (multiply @ X5 @ X2) @ X1) @ 
% 59.98/9.12               (multiply @ (double_divide @ X4 @ X3) @ X3))))),
% 59.98/9.12      inference('sup+', [status(thm)], [zip_derived_cl13, zip_derived_cl5])).
% 59.98/9.12  thf(zip_derived_cl1, plain,
% 59.98/9.12      (![X0 : $i, X1 : $i]:
% 59.98/9.12         ((multiply @ X1 @ X0) = (inverse @ (double_divide @ X0 @ X1)))),
% 59.98/9.12      inference('cnf', [status(esa)], [multiply])).
% 59.98/9.12  thf(zip_derived_cl1, plain,
% 59.98/9.12      (![X0 : $i, X1 : $i]:
% 59.98/9.12         ((multiply @ X1 @ X0) = (inverse @ (double_divide @ X0 @ X1)))),
% 59.98/9.12      inference('cnf', [status(esa)], [multiply])).
% 59.98/9.12  thf(zip_derived_cl90, plain,
% 59.98/9.12      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, X7 : $i]:
% 59.98/9.12         ((multiply @ 
% 59.98/9.12           (double_divide @ (multiply @ (inverse @ X5) @ X4) @ 
% 59.98/9.12            (multiply @ (double_divide @ X6 @ X7) @ X7)) @ 
% 59.98/9.12           (double_divide @ X6 @ 
% 59.98/9.12            (multiply @ (multiply @ (double_divide @ X1 @ X0) @ X0) @ 
% 59.98/9.12             (inverse @ X2))))
% 59.98/9.12           = (inverse @ 
% 59.98/9.12              (double_divide @ (multiply @ (multiply @ X5 @ X2) @ X1) @ 
% 59.98/9.12               (multiply @ (double_divide @ X4 @ X3) @ X3))))),
% 59.98/9.12      inference('demod', [status(thm)],
% 59.98/9.12                [zip_derived_cl60, zip_derived_cl1, zip_derived_cl1])).
% 59.98/9.12  thf(zip_derived_cl15976, plain,
% 59.98/9.12      (![X0 : $i, X1 : $i]:
% 59.98/9.12         ((double_divide @ X1 @ (inverse @ X0))
% 59.98/9.12           = (multiply @ (inverse @ X1) @ X0))),
% 59.98/9.12      inference('sup+', [status(thm)],
% 59.98/9.12                [zip_derived_cl14838, zip_derived_cl15663])).
% 59.98/9.12  thf(zip_derived_cl14206, plain,
% 59.98/9.12      (![X2 : $i, X3 : $i]:
% 59.98/9.12         ((multiply @ (double_divide @ X2 @ X3) @ X3) = (inverse @ X2))),
% 59.98/9.12      inference('demod', [status(thm)],
% 59.98/9.12                [zip_derived_cl14105, zip_derived_cl13474])).
% 59.98/9.12  thf(zip_derived_cl14206, plain,
% 59.98/9.12      (![X2 : $i, X3 : $i]:
% 59.98/9.12         ((multiply @ (double_divide @ X2 @ X3) @ X3) = (inverse @ X2))),
% 59.98/9.12      inference('demod', [status(thm)],
% 59.98/9.12                [zip_derived_cl14105, zip_derived_cl13474])).
% 59.98/9.12  thf(zip_derived_cl15663, plain,
% 59.98/9.12      (![X0 : $i, X1 : $i]:
% 59.98/9.12         ((double_divide @ X1 @ X0)
% 59.98/9.12           = (multiply @ (inverse @ X1) @ (inverse @ X0)))),
% 59.98/9.12      inference('demod', [status(thm)],
% 59.98/9.12                [zip_derived_cl15639, zip_derived_cl14838, 
% 59.98/9.12                 zip_derived_cl14386, zip_derived_cl14206, zip_derived_cl14913])).
% 59.98/9.12  thf(zip_derived_cl14206, plain,
% 59.98/9.12      (![X2 : $i, X3 : $i]:
% 59.98/9.12         ((multiply @ (double_divide @ X2 @ X3) @ X3) = (inverse @ X2))),
% 59.98/9.12      inference('demod', [status(thm)],
% 59.98/9.12                [zip_derived_cl14105, zip_derived_cl13474])).
% 59.98/9.12  thf(zip_derived_cl1, plain,
% 59.98/9.12      (![X0 : $i, X1 : $i]:
% 59.98/9.12         ((multiply @ X1 @ X0) = (inverse @ (double_divide @ X0 @ X1)))),
% 59.98/9.12      inference('cnf', [status(esa)], [multiply])).
% 59.98/9.12  thf(zip_derived_cl15976, plain,
% 59.98/9.12      (![X0 : $i, X1 : $i]:
% 59.98/9.12         ((double_divide @ X1 @ (inverse @ X0))
% 59.98/9.12           = (multiply @ (inverse @ X1) @ X0))),
% 59.98/9.12      inference('sup+', [status(thm)],
% 59.98/9.12                [zip_derived_cl14838, zip_derived_cl15663])).
% 59.98/9.12  thf(zip_derived_cl14913, plain,
% 59.98/9.12      (![X0 : $i, X1 : $i]:
% 59.98/9.12         ((inverse @ (multiply @ X1 @ X0)) = (double_divide @ X0 @ X1))),
% 59.98/9.12      inference('sup+', [status(thm)], [zip_derived_cl1, zip_derived_cl14838])).
% 59.98/9.12  thf(zip_derived_cl17697, plain,
% 59.98/9.12      (![X1 : $i, X2 : $i, X4 : $i, X5 : $i, X6 : $i]:
% 59.98/9.12         ((multiply @ 
% 59.98/9.12           (double_divide @ (double_divide @ X5 @ (inverse @ X4)) @ 
% 59.98/9.12            (inverse @ X6)) @ 
% 59.98/9.12           (double_divide @ X6 @ (double_divide @ X1 @ X2)))
% 59.98/9.12           = (double_divide @ X4 @ (double_divide @ X1 @ (multiply @ X5 @ X2))))),
% 59.98/9.12      inference('demod', [status(thm)],
% 59.98/9.12                [zip_derived_cl90, zip_derived_cl15976, zip_derived_cl14206, 
% 59.98/9.12                 zip_derived_cl14206, zip_derived_cl15663, 
% 59.98/9.12                 zip_derived_cl14206, zip_derived_cl1, zip_derived_cl15976, 
% 59.98/9.12                 zip_derived_cl14913])).
% 59.98/9.12  thf(zip_derived_cl17756, plain,
% 59.98/9.12      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i]:
% 59.98/9.12         ((multiply @ (inverse @ (inverse @ X0)) @ 
% 59.98/9.12           (double_divide @ X0 @ (double_divide @ X3 @ X1)))
% 59.98/9.12           = (double_divide @ X2 @ (double_divide @ X3 @ (multiply @ X2 @ X1))))),
% 59.98/9.12      inference('sup+', [status(thm)],
% 59.98/9.12                [zip_derived_cl14986, zip_derived_cl17697])).
% 59.98/9.12  thf(zip_derived_cl14838, plain,
% 59.98/9.12      (![X0 : $i]: ((inverse @ (inverse @ X0)) = (X0))),
% 59.98/9.12      inference('sup+', [status(thm)],
% 59.98/9.12                [zip_derived_cl14387, zip_derived_cl14386])).
% 59.98/9.12  thf(zip_derived_cl4396, plain,
% 59.98/9.12      (![X0 : $i, X1 : $i, X3 : $i]:
% 59.98/9.12         ((double_divide @ X0 @ (double_divide @ X1 @ X0))
% 59.98/9.12           = (double_divide @ X3 @ (double_divide @ X1 @ X3)))),
% 59.98/9.12      inference('demod', [status(thm)],
% 59.98/9.12                [zip_derived_cl4237, zip_derived_cl1, zip_derived_cl3])).
% 59.98/9.12  thf(zip_derived_cl3568, plain,
% 59.98/9.12      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i]:
% 59.98/9.12         ((multiply @ (double_divide @ X3 @ (double_divide @ X1 @ X3)) @ X2)
% 59.98/9.12           = (inverse @ 
% 59.98/9.12              (double_divide @ X2 @ 
% 59.98/9.12               (double_divide @ X0 @ (double_divide @ X1 @ X0)))))),
% 59.98/9.12      inference('sup+', [status(thm)], [zip_derived_cl3481, zip_derived_cl1])).
% 59.98/9.12  thf(zip_derived_cl4554, plain,
% 59.98/9.12      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i]:
% 59.98/9.12         ((multiply @ (double_divide @ X3 @ (double_divide @ X2 @ X3)) @ 
% 59.98/9.12           (double_divide @ X2 @ X1))
% 59.98/9.12           = (inverse @ (double_divide @ X0 @ (double_divide @ X1 @ X0))))),
% 59.98/9.12      inference('sup+', [status(thm)], [zip_derived_cl4396, zip_derived_cl3568])).
% 59.98/9.12  thf(zip_derived_cl14207, plain,
% 59.98/9.12      (![X2 : $i, X3 : $i]:
% 59.98/9.12         ((double_divide @ X3 @ (double_divide @ X2 @ X3)) = (X2))),
% 59.98/9.12      inference('demod', [status(thm)],
% 59.98/9.12                [zip_derived_cl14109, zip_derived_cl13474])).
% 59.98/9.12  thf(zip_derived_cl14207, plain,
% 59.98/9.12      (![X2 : $i, X3 : $i]:
% 59.98/9.12         ((double_divide @ X3 @ (double_divide @ X2 @ X3)) = (X2))),
% 59.98/9.12      inference('demod', [status(thm)],
% 59.98/9.12                [zip_derived_cl14109, zip_derived_cl13474])).
% 59.98/9.12  thf(zip_derived_cl14351, plain,
% 59.98/9.12      (![X1 : $i, X2 : $i]:
% 59.98/9.12         ((multiply @ X2 @ (double_divide @ X2 @ X1)) = (inverse @ X1))),
% 59.98/9.12      inference('demod', [status(thm)],
% 59.98/9.12                [zip_derived_cl4554, zip_derived_cl14207, zip_derived_cl14207])).
% 59.98/9.12  thf(zip_derived_cl1, plain,
% 59.98/9.12      (![X0 : $i, X1 : $i]:
% 59.98/9.12         ((multiply @ X1 @ X0) = (inverse @ (double_divide @ X0 @ X1)))),
% 59.98/9.12      inference('cnf', [status(esa)], [multiply])).
% 59.98/9.12  thf(zip_derived_cl17819, plain,
% 59.98/9.12      (![X1 : $i, X2 : $i, X3 : $i]:
% 59.98/9.12         ((multiply @ X1 @ X3)
% 59.98/9.12           = (double_divide @ X2 @ (double_divide @ X3 @ (multiply @ X2 @ X1))))),
% 59.98/9.12      inference('demod', [status(thm)],
% 59.98/9.12                [zip_derived_cl17756, zip_derived_cl14838, 
% 59.98/9.12                 zip_derived_cl14351, zip_derived_cl1])).
% 59.98/9.12  thf(zip_derived_cl14350, plain,
% 59.98/9.12      (![X1 : $i, X2 : $i]:
% 59.98/9.12         ((X2) = (double_divide @ (double_divide @ X1 @ X2) @ X1))),
% 59.98/9.12      inference('demod', [status(thm)],
% 59.98/9.12                [zip_derived_cl4488, zip_derived_cl14207, zip_derived_cl14207])).
% 59.98/9.12  thf(zip_derived_cl20119, plain,
% 59.98/9.12      (![X0 : $i, X1 : $i, X2 : $i]:
% 59.98/9.12         ((double_divide @ X0 @ (multiply @ X2 @ X1))
% 59.98/9.12           = (double_divide @ (multiply @ X1 @ X0) @ X2))),
% 59.98/9.12      inference('sup+', [status(thm)],
% 59.98/9.12                [zip_derived_cl17819, zip_derived_cl14350])).
% 59.98/9.12  thf(zip_derived_cl15976, plain,
% 59.98/9.12      (![X0 : $i, X1 : $i]:
% 59.98/9.12         ((double_divide @ X1 @ (inverse @ X0))
% 59.98/9.12           = (multiply @ (inverse @ X1) @ X0))),
% 59.98/9.12      inference('sup+', [status(thm)],
% 59.98/9.12                [zip_derived_cl14838, zip_derived_cl15663])).
% 59.98/9.12  thf(zip_derived_cl14913, plain,
% 59.98/9.12      (![X0 : $i, X1 : $i]:
% 59.98/9.12         ((inverse @ (multiply @ X1 @ X0)) = (double_divide @ X0 @ X1))),
% 59.98/9.12      inference('sup+', [status(thm)], [zip_derived_cl1, zip_derived_cl14838])).
% 59.98/9.12  thf(zip_derived_cl15990, plain,
% 59.98/9.12      (![X0 : $i, X1 : $i]:
% 59.98/9.12         ((inverse @ (double_divide @ X1 @ (inverse @ X0)))
% 59.98/9.12           = (double_divide @ X0 @ (inverse @ X1)))),
% 59.98/9.12      inference('sup+', [status(thm)],
% 59.98/9.12                [zip_derived_cl15976, zip_derived_cl14913])).
% 59.98/9.12  thf(zip_derived_cl20237, plain,
% 59.98/9.12      (![X0 : $i, X1 : $i, X2 : $i]:
% 59.98/9.12         ((inverse @ (double_divide @ X2 @ (multiply @ (inverse @ X1) @ X0)))
% 59.98/9.12           = (double_divide @ X1 @ (inverse @ (multiply @ X0 @ X2))))),
% 59.98/9.12      inference('sup+', [status(thm)],
% 59.98/9.12                [zip_derived_cl20119, zip_derived_cl15990])).
% 59.98/9.12  thf(zip_derived_cl15976, plain,
% 59.98/9.12      (![X0 : $i, X1 : $i]:
% 59.98/9.12         ((double_divide @ X1 @ (inverse @ X0))
% 59.98/9.12           = (multiply @ (inverse @ X1) @ X0))),
% 59.98/9.12      inference('sup+', [status(thm)],
% 59.98/9.12                [zip_derived_cl14838, zip_derived_cl15663])).
% 59.98/9.12  thf(zip_derived_cl1, plain,
% 59.98/9.12      (![X0 : $i, X1 : $i]:
% 59.98/9.12         ((multiply @ X1 @ X0) = (inverse @ (double_divide @ X0 @ X1)))),
% 59.98/9.12      inference('cnf', [status(esa)], [multiply])).
% 59.98/9.12  thf(zip_derived_cl14913, plain,
% 59.98/9.12      (![X0 : $i, X1 : $i]:
% 59.98/9.12         ((inverse @ (multiply @ X1 @ X0)) = (double_divide @ X0 @ X1))),
% 59.98/9.12      inference('sup+', [status(thm)], [zip_derived_cl1, zip_derived_cl14838])).
% 59.98/9.12  thf(zip_derived_cl20318, plain,
% 59.98/9.12      (![X0 : $i, X1 : $i, X2 : $i]:
% 59.98/9.12         ((multiply @ (double_divide @ X1 @ (inverse @ X0)) @ X2)
% 59.98/9.12           = (double_divide @ X1 @ (double_divide @ X2 @ X0)))),
% 59.98/9.12      inference('demod', [status(thm)],
% 59.98/9.12                [zip_derived_cl20237, zip_derived_cl15976, zip_derived_cl1, 
% 59.98/9.12                 zip_derived_cl14913])).
% 59.98/9.12  thf(zip_derived_cl14350, plain,
% 59.98/9.12      (![X1 : $i, X2 : $i]:
% 59.98/9.12         ((X2) = (double_divide @ (double_divide @ X1 @ X2) @ X1))),
% 59.98/9.12      inference('demod', [status(thm)],
% 59.98/9.12                [zip_derived_cl4488, zip_derived_cl14207, zip_derived_cl14207])).
% 59.98/9.12  thf(zip_derived_cl14206, plain,
% 59.98/9.12      (![X2 : $i, X3 : $i]:
% 59.98/9.12         ((multiply @ (double_divide @ X2 @ X3) @ X3) = (inverse @ X2))),
% 59.98/9.12      inference('demod', [status(thm)],
% 59.98/9.12                [zip_derived_cl14105, zip_derived_cl13474])).
% 59.98/9.12  thf(zip_derived_cl15663, plain,
% 59.98/9.12      (![X0 : $i, X1 : $i]:
% 59.98/9.12         ((double_divide @ X1 @ X0)
% 59.98/9.12           = (multiply @ (inverse @ X1) @ (inverse @ X0)))),
% 59.98/9.12      inference('demod', [status(thm)],
% 59.98/9.12                [zip_derived_cl15639, zip_derived_cl14838, 
% 59.98/9.12                 zip_derived_cl14386, zip_derived_cl14206, zip_derived_cl14913])).
% 59.98/9.12  thf(zip_derived_cl14913, plain,
% 59.98/9.12      (![X0 : $i, X1 : $i]:
% 59.98/9.12         ((inverse @ (multiply @ X1 @ X0)) = (double_divide @ X0 @ X1))),
% 59.98/9.12      inference('sup+', [status(thm)], [zip_derived_cl1, zip_derived_cl14838])).
% 59.98/9.12  thf(zip_derived_cl15954, plain,
% 59.98/9.12      (![X0 : $i, X1 : $i]:
% 59.98/9.12         ((inverse @ (double_divide @ X1 @ X0))
% 59.98/9.12           = (double_divide @ (inverse @ X0) @ (inverse @ X1)))),
% 59.98/9.12      inference('sup+', [status(thm)],
% 59.98/9.12                [zip_derived_cl15663, zip_derived_cl14913])).
% 59.98/9.12  thf(zip_derived_cl1, plain,
% 59.98/9.12      (![X0 : $i, X1 : $i]:
% 59.98/9.12         ((multiply @ X1 @ X0) = (inverse @ (double_divide @ X0 @ X1)))),
% 59.98/9.12      inference('cnf', [status(esa)], [multiply])).
% 59.98/9.12  thf(zip_derived_cl15984, plain,
% 59.98/9.12      (![X0 : $i, X1 : $i]:
% 59.98/9.12         ((multiply @ X0 @ X1)
% 59.98/9.12           = (double_divide @ (inverse @ X0) @ (inverse @ X1)))),
% 59.98/9.12      inference('demod', [status(thm)], [zip_derived_cl15954, zip_derived_cl1])).
% 59.98/9.12  thf(zip_derived_cl15984, plain,
% 59.98/9.12      (![X0 : $i, X1 : $i]:
% 59.98/9.12         ((multiply @ X0 @ X1)
% 59.98/9.12           = (double_divide @ (inverse @ X0) @ (inverse @ X1)))),
% 59.98/9.12      inference('demod', [status(thm)], [zip_derived_cl15954, zip_derived_cl1])).
% 59.98/9.12  thf(zip_derived_cl14351, plain,
% 59.98/9.12      (![X1 : $i, X2 : $i]:
% 59.98/9.12         ((multiply @ X2 @ (double_divide @ X2 @ X1)) = (inverse @ X1))),
% 59.98/9.12      inference('demod', [status(thm)],
% 59.98/9.12                [zip_derived_cl4554, zip_derived_cl14207, zip_derived_cl14207])).
% 59.98/9.12  thf(zip_derived_cl16285, plain,
% 59.98/9.12      (![X0 : $i, X1 : $i]:
% 59.98/9.12         ((multiply @ (inverse @ X1) @ (multiply @ X1 @ X0))
% 59.98/9.12           = (inverse @ (inverse @ X0)))),
% 59.98/9.12      inference('sup+', [status(thm)],
% 59.98/9.12                [zip_derived_cl15984, zip_derived_cl14351])).
% 59.98/9.12  thf(zip_derived_cl14838, plain,
% 59.98/9.12      (![X0 : $i]: ((inverse @ (inverse @ X0)) = (X0))),
% 59.98/9.12      inference('sup+', [status(thm)],
% 59.98/9.12                [zip_derived_cl14387, zip_derived_cl14386])).
% 59.98/9.12  thf(zip_derived_cl16316, plain,
% 59.98/9.12      (![X0 : $i, X1 : $i]:
% 59.98/9.12         ((multiply @ (inverse @ X1) @ (multiply @ X1 @ X0)) = (X0))),
% 59.98/9.12      inference('demod', [status(thm)],
% 59.98/9.12                [zip_derived_cl16285, zip_derived_cl14838])).
% 59.98/9.12  thf(zip_derived_cl17819, plain,
% 59.98/9.12      (![X1 : $i, X2 : $i, X3 : $i]:
% 59.98/9.12         ((multiply @ X1 @ X3)
% 59.98/9.12           = (double_divide @ X2 @ (double_divide @ X3 @ (multiply @ X2 @ X1))))),
% 59.98/9.12      inference('demod', [status(thm)],
% 59.98/9.12                [zip_derived_cl17756, zip_derived_cl14838, 
% 59.98/9.12                 zip_derived_cl14351, zip_derived_cl1])).
% 59.98/9.12  thf(zip_derived_cl20169, plain,
% 59.98/9.12      (![X0 : $i, X1 : $i, X2 : $i]:
% 59.98/9.12         ((multiply @ (multiply @ X1 @ X0) @ X2)
% 59.98/9.12           = (double_divide @ (inverse @ X1) @ (double_divide @ X2 @ X0)))),
% 59.98/9.12      inference('sup+', [status(thm)],
% 59.98/9.12                [zip_derived_cl16316, zip_derived_cl17819])).
% 59.98/9.12  thf(zip_derived_cl34535, plain,
% 59.98/9.12      (![X3 : $i, X4 : $i, X5 : $i]:
% 59.98/9.12         ((double_divide @ (double_divide @ X3 @ X4) @ (inverse @ X5))
% 59.98/9.12           = (double_divide @ (inverse @ X4) @ (double_divide @ X5 @ X3)))),
% 59.98/9.12      inference('demod', [status(thm)],
% 59.98/9.12                [zip_derived_cl451, zip_derived_cl14206, zip_derived_cl15663, 
% 59.98/9.12                 zip_derived_cl14206, zip_derived_cl14206, 
% 59.98/9.12                 zip_derived_cl20318, zip_derived_cl14350, 
% 59.98/9.12                 zip_derived_cl14206, zip_derived_cl15984, zip_derived_cl20169])).
% 59.98/9.12  thf(zip_derived_cl34536, plain,
% 59.98/9.12      (((double_divide @ (inverse @ a3) @ (double_divide @ c3 @ b3))
% 59.98/9.12         != (double_divide @ (inverse @ a3) @ (double_divide @ c3 @ b3)))),
% 59.98/9.12      inference('demod', [status(thm)],
% 59.98/9.12                [zip_derived_cl19524, zip_derived_cl34535])).
% 59.98/9.12  thf(zip_derived_cl34537, plain, ($false),
% 59.98/9.12      inference('simplify', [status(thm)], [zip_derived_cl34536])).
% 59.98/9.12  
% 59.98/9.12  % SZS output end Refutation
% 59.98/9.12  
% 59.98/9.12  
% 59.98/9.12  % Terminating...
% 60.61/9.18  % Runner terminated.
% 60.61/9.19  % Zipperpin 1.5 exiting
%------------------------------------------------------------------------------