TSTP Solution File: GRP057-1 by Zipperpin---2.1.9999

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Zipperpin---2.1.9999
% Problem  : GRP057-1 : TPTP v8.1.2. Released v1.0.0.
% Transfm  : NO INFORMATION
% Format   : NO INFORMATION
% Command  : python3 /export/starexec/sandbox2/solver/bin/portfolio.lams.parallel.py %s %d /export/starexec/sandbox2/tmp/tmp.5TGxfmEllI true

% Computer : n009.cluster.edu
% Model    : x86_64 x86_64
% CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 2.10GHz
% Memory   : 8042.1875MB
% OS       : Linux 3.10.0-693.el7.x86_64
% CPULimit : 300s
% WCLimit  : 300s
% DateTime : Thu Aug 31 01:49:45 EDT 2023

% Result   : Unsatisfiable 55.26s 8.48s
% Output   : Refutation 55.26s
% Verified : 
% SZS Type : -

% Comments : 
%------------------------------------------------------------------------------
%----WARNING: Could not form TPTP format derivation
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.03/0.13  % Problem  : GRP057-1 : TPTP v8.1.2. Released v1.0.0.
% 0.13/0.14  % Command  : python3 /export/starexec/sandbox2/solver/bin/portfolio.lams.parallel.py %s %d /export/starexec/sandbox2/tmp/tmp.5TGxfmEllI true
% 0.13/0.35  % Computer : n009.cluster.edu
% 0.13/0.35  % Model    : x86_64 x86_64
% 0.13/0.35  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.13/0.35  % Memory   : 8042.1875MB
% 0.13/0.35  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.13/0.35  % CPULimit : 300
% 0.13/0.35  % WCLimit  : 300
% 0.13/0.35  % DateTime : Tue Aug 29 00:30:05 EDT 2023
% 0.13/0.35  % CPUTime  : 
% 0.13/0.35  % Running portfolio for 300 s
% 0.13/0.35  % File         : /export/starexec/sandbox2/benchmark/theBenchmark.p
% 0.21/0.35  % Number of cores: 8
% 0.21/0.36  % Python version: Python 3.6.8
% 0.21/0.36  % Running in FO mode
% 0.56/0.64  % Total configuration time : 435
% 0.56/0.65  % Estimated wc time : 1092
% 0.56/0.65  % Estimated cpu time (7 cpus) : 156.0
% 0.57/0.71  % /export/starexec/sandbox2/solver/bin/fo/fo6_bce.sh running for 75s
% 0.57/0.72  % /export/starexec/sandbox2/solver/bin/fo/fo3_bce.sh running for 75s
% 0.58/0.76  % /export/starexec/sandbox2/solver/bin/fo/fo1_av.sh running for 75s
% 0.58/0.77  % /export/starexec/sandbox2/solver/bin/fo/fo7.sh running for 63s
% 0.58/0.77  % /export/starexec/sandbox2/solver/bin/fo/fo13.sh running for 50s
% 0.58/0.77  % /export/starexec/sandbox2/solver/bin/fo/fo5.sh running for 50s
% 0.58/0.77  % /export/starexec/sandbox2/solver/bin/fo/fo4.sh running for 50s
% 55.26/8.48  % Solved by fo/fo7.sh.
% 55.26/8.48  % done 1066 iterations in 7.681s
% 55.26/8.48  % SZS status Theorem for '/export/starexec/sandbox2/benchmark/theBenchmark.p'
% 55.26/8.48  % SZS output start Refutation
% 55.26/8.48  thf(inverse_type, type, inverse: $i > $i).
% 55.26/8.48  thf(a1_type, type, a1: $i).
% 55.26/8.48  thf(a3_type, type, a3: $i).
% 55.26/8.48  thf(b1_type, type, b1: $i).
% 55.26/8.48  thf(c3_type, type, c3: $i).
% 55.26/8.48  thf(multiply_type, type, multiply: $i > $i > $i).
% 55.26/8.48  thf(a2_type, type, a2: $i).
% 55.26/8.48  thf(b3_type, type, b3: $i).
% 55.26/8.48  thf(b2_type, type, b2: $i).
% 55.26/8.48  thf(prove_these_axioms, conjecture,
% 55.26/8.48    (~( ( ( multiply @ ( multiply @ a3 @ b3 ) @ c3 ) !=
% 55.26/8.48          ( multiply @ a3 @ ( multiply @ b3 @ c3 ) ) ) | 
% 55.26/8.48        ( ( multiply @ ( multiply @ ( inverse @ b2 ) @ b2 ) @ a2 ) != ( a2 ) ) | 
% 55.26/8.48        ( ( multiply @ ( inverse @ a1 ) @ a1 ) !=
% 55.26/8.48          ( multiply @ ( inverse @ b1 ) @ b1 ) ) ))).
% 55.26/8.48  thf(zf_stmt_0, negated_conjecture,
% 55.26/8.48    (( ( multiply @ ( multiply @ a3 @ b3 ) @ c3 ) !=
% 55.26/8.48       ( multiply @ a3 @ ( multiply @ b3 @ c3 ) ) ) | 
% 55.26/8.48     ( ( multiply @ ( multiply @ ( inverse @ b2 ) @ b2 ) @ a2 ) != ( a2 ) ) | 
% 55.26/8.48     ( ( multiply @ ( inverse @ a1 ) @ a1 ) !=
% 55.26/8.48       ( multiply @ ( inverse @ b1 ) @ b1 ) )),
% 55.26/8.48    inference('cnf.neg', [status(esa)], [prove_these_axioms])).
% 55.26/8.48  thf(zip_derived_cl1, plain,
% 55.26/8.48      ((((multiply @ (multiply @ a3 @ b3) @ c3)
% 55.26/8.48          != (multiply @ a3 @ (multiply @ b3 @ c3)))
% 55.26/8.48        | ((multiply @ (multiply @ (inverse @ b2) @ b2) @ a2) != (a2))
% 55.26/8.48        | ((multiply @ (inverse @ a1) @ a1) != (multiply @ (inverse @ b1) @ b1)))),
% 55.26/8.48      inference('cnf', [status(esa)], [zf_stmt_0])).
% 55.26/8.48  thf(single_axiom, axiom,
% 55.26/8.48    (( multiply @
% 55.26/8.48       X @ 
% 55.26/8.48       ( inverse @
% 55.26/8.48         ( multiply @
% 55.26/8.48           ( multiply @
% 55.26/8.48             ( inverse @
% 55.26/8.48               ( multiply @
% 55.26/8.48                 ( inverse @ Y ) @ ( multiply @ ( inverse @ X ) @ Z ) ) ) @ 
% 55.26/8.48             U ) @ 
% 55.26/8.48           ( inverse @ ( multiply @ Y @ U ) ) ) ) ) =
% 55.26/8.48     ( Z ))).
% 55.26/8.48  thf(zip_derived_cl0, plain,
% 55.26/8.48      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i]:
% 55.26/8.48         ((multiply @ X1 @ 
% 55.26/8.48           (inverse @ 
% 55.26/8.48            (multiply @ 
% 55.26/8.48             (multiply @ 
% 55.26/8.48              (inverse @ 
% 55.26/8.48               (multiply @ (inverse @ X2) @ (multiply @ (inverse @ X1) @ X0))) @ 
% 55.26/8.48              X3) @ 
% 55.26/8.48             (inverse @ (multiply @ X2 @ X3)))))
% 55.26/8.48           = (X0))),
% 55.26/8.48      inference('cnf', [status(esa)], [single_axiom])).
% 55.26/8.48  thf(zip_derived_cl0, plain,
% 55.26/8.48      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i]:
% 55.26/8.48         ((multiply @ X1 @ 
% 55.26/8.48           (inverse @ 
% 55.26/8.48            (multiply @ 
% 55.26/8.48             (multiply @ 
% 55.26/8.48              (inverse @ 
% 55.26/8.48               (multiply @ (inverse @ X2) @ (multiply @ (inverse @ X1) @ X0))) @ 
% 55.26/8.48              X3) @ 
% 55.26/8.48             (inverse @ (multiply @ X2 @ X3)))))
% 55.26/8.48           = (X0))),
% 55.26/8.48      inference('cnf', [status(esa)], [single_axiom])).
% 55.26/8.48  thf(zip_derived_cl3, plain,
% 55.26/8.48      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i]:
% 55.26/8.48         ((multiply @ X3 @ 
% 55.26/8.48           (inverse @ 
% 55.26/8.48            (multiply @ 
% 55.26/8.48             (multiply @ (inverse @ (multiply @ (inverse @ X5) @ X0)) @ X4) @ 
% 55.26/8.48             (inverse @ (multiply @ X5 @ X4)))))
% 55.26/8.48           = (inverse @ 
% 55.26/8.48              (multiply @ 
% 55.26/8.48               (multiply @ 
% 55.26/8.48                (inverse @ 
% 55.26/8.48                 (multiply @ (inverse @ X2) @ 
% 55.26/8.48                  (multiply @ (inverse @ (inverse @ X3)) @ X0))) @ 
% 55.26/8.48                X1) @ 
% 55.26/8.48               (inverse @ (multiply @ X2 @ X1)))))),
% 55.26/8.48      inference('sup+', [status(thm)], [zip_derived_cl0, zip_derived_cl0])).
% 55.26/8.48  thf(zip_derived_cl0, plain,
% 55.26/8.48      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i]:
% 55.26/8.48         ((multiply @ X1 @ 
% 55.26/8.48           (inverse @ 
% 55.26/8.48            (multiply @ 
% 55.26/8.48             (multiply @ 
% 55.26/8.48              (inverse @ 
% 55.26/8.48               (multiply @ (inverse @ X2) @ (multiply @ (inverse @ X1) @ X0))) @ 
% 55.26/8.48              X3) @ 
% 55.26/8.48             (inverse @ (multiply @ X2 @ X3)))))
% 55.26/8.48           = (X0))),
% 55.26/8.48      inference('cnf', [status(esa)], [single_axiom])).
% 55.26/8.48  thf(zip_derived_cl74, plain,
% 55.26/8.48      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i]:
% 55.26/8.48         ((inverse @ 
% 55.26/8.48           (multiply @ 
% 55.26/8.48            (multiply @ 
% 55.26/8.48             (inverse @ 
% 55.26/8.48              (multiply @ (inverse @ X1) @ 
% 55.26/8.48               (multiply @ (inverse @ (inverse @ X3)) @ 
% 55.26/8.48                (multiply @ (inverse @ X3) @ X2)))) @ 
% 55.26/8.48             X0) @ 
% 55.26/8.48            (inverse @ (multiply @ X1 @ X0))))
% 55.26/8.48           = (X2))),
% 55.26/8.48      inference('sup+', [status(thm)], [zip_derived_cl3, zip_derived_cl0])).
% 55.26/8.48  thf(zip_derived_cl74, plain,
% 55.26/8.48      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i]:
% 55.26/8.48         ((inverse @ 
% 55.26/8.48           (multiply @ 
% 55.26/8.48            (multiply @ 
% 55.26/8.48             (inverse @ 
% 55.26/8.48              (multiply @ (inverse @ X1) @ 
% 55.26/8.48               (multiply @ (inverse @ (inverse @ X3)) @ 
% 55.26/8.48                (multiply @ (inverse @ X3) @ X2)))) @ 
% 55.26/8.48             X0) @ 
% 55.26/8.48            (inverse @ (multiply @ X1 @ X0))))
% 55.26/8.48           = (X2))),
% 55.26/8.48      inference('sup+', [status(thm)], [zip_derived_cl3, zip_derived_cl0])).
% 55.26/8.48  thf(zip_derived_cl235, plain,
% 55.26/8.48      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i]:
% 55.26/8.48         ((inverse @ 
% 55.26/8.48           (multiply @ 
% 55.26/8.48            (multiply @ 
% 55.26/8.48             (inverse @ 
% 55.26/8.48              (multiply @ (inverse @ X3) @ 
% 55.26/8.48               (multiply @ 
% 55.26/8.48                (inverse @ 
% 55.26/8.48                 (inverse @ 
% 55.26/8.48                  (multiply @ 
% 55.26/8.48                   (multiply @ 
% 55.26/8.48                    (inverse @ 
% 55.26/8.48                     (multiply @ (inverse @ X5) @ 
% 55.26/8.48                      (multiply @ (inverse @ (inverse @ X6)) @ 
% 55.26/8.48                       (multiply @ (inverse @ X6) @ X0)))) @ 
% 55.26/8.48                    X4) @ 
% 55.26/8.48                   (inverse @ (multiply @ X5 @ X4))))) @ 
% 55.26/8.48                (multiply @ X0 @ X1)))) @ 
% 55.26/8.48             X2) @ 
% 55.26/8.48            (inverse @ (multiply @ X3 @ X2))))
% 55.26/8.48           = (X1))),
% 55.26/8.48      inference('sup+', [status(thm)], [zip_derived_cl74, zip_derived_cl74])).
% 55.26/8.48  thf(zip_derived_cl3, plain,
% 55.26/8.48      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i]:
% 55.26/8.48         ((multiply @ X3 @ 
% 55.26/8.48           (inverse @ 
% 55.26/8.48            (multiply @ 
% 55.26/8.48             (multiply @ (inverse @ (multiply @ (inverse @ X5) @ X0)) @ X4) @ 
% 55.26/8.48             (inverse @ (multiply @ X5 @ X4)))))
% 55.26/8.48           = (inverse @ 
% 55.26/8.48              (multiply @ 
% 55.26/8.48               (multiply @ 
% 55.26/8.48                (inverse @ 
% 55.26/8.48                 (multiply @ (inverse @ X2) @ 
% 55.26/8.48                  (multiply @ (inverse @ (inverse @ X3)) @ X0))) @ 
% 55.26/8.48                X1) @ 
% 55.26/8.48               (inverse @ (multiply @ X2 @ X1)))))),
% 55.26/8.48      inference('sup+', [status(thm)], [zip_derived_cl0, zip_derived_cl0])).
% 55.26/8.48  thf(zip_derived_cl0, plain,
% 55.26/8.48      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i]:
% 55.26/8.48         ((multiply @ X1 @ 
% 55.26/8.48           (inverse @ 
% 55.26/8.48            (multiply @ 
% 55.26/8.48             (multiply @ 
% 55.26/8.48              (inverse @ 
% 55.26/8.48               (multiply @ (inverse @ X2) @ (multiply @ (inverse @ X1) @ X0))) @ 
% 55.26/8.48              X3) @ 
% 55.26/8.48             (inverse @ (multiply @ X2 @ X3)))))
% 55.26/8.48           = (X0))),
% 55.26/8.48      inference('cnf', [status(esa)], [single_axiom])).
% 55.26/8.48  thf(zip_derived_cl246, plain,
% 55.26/8.48      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i]:
% 55.26/8.48         ((inverse @ 
% 55.26/8.48           (multiply @ 
% 55.26/8.48            (multiply @ 
% 55.26/8.48             (inverse @ 
% 55.26/8.48              (multiply @ (inverse @ X3) @ 
% 55.26/8.48               (multiply @ (inverse @ X0) @ (multiply @ X0 @ X1)))) @ 
% 55.26/8.48             X2) @ 
% 55.26/8.48            (inverse @ (multiply @ X3 @ X2))))
% 55.26/8.48           = (X1))),
% 55.26/8.48      inference('demod', [status(thm)],
% 55.26/8.48                [zip_derived_cl235, zip_derived_cl3, zip_derived_cl0])).
% 55.26/8.48  thf(zip_derived_cl246, plain,
% 55.26/8.48      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i]:
% 55.26/8.48         ((inverse @ 
% 55.26/8.48           (multiply @ 
% 55.26/8.48            (multiply @ 
% 55.26/8.48             (inverse @ 
% 55.26/8.48              (multiply @ (inverse @ X3) @ 
% 55.26/8.48               (multiply @ (inverse @ X0) @ (multiply @ X0 @ X1)))) @ 
% 55.26/8.48             X2) @ 
% 55.26/8.48            (inverse @ (multiply @ X3 @ X2))))
% 55.26/8.48           = (X1))),
% 55.26/8.48      inference('demod', [status(thm)],
% 55.26/8.48                [zip_derived_cl235, zip_derived_cl3, zip_derived_cl0])).
% 55.26/8.48  thf(zip_derived_cl3, plain,
% 55.26/8.48      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i]:
% 55.26/8.48         ((multiply @ X3 @ 
% 55.26/8.48           (inverse @ 
% 55.26/8.48            (multiply @ 
% 55.26/8.48             (multiply @ (inverse @ (multiply @ (inverse @ X5) @ X0)) @ X4) @ 
% 55.26/8.48             (inverse @ (multiply @ X5 @ X4)))))
% 55.26/8.48           = (inverse @ 
% 55.26/8.48              (multiply @ 
% 55.26/8.48               (multiply @ 
% 55.26/8.48                (inverse @ 
% 55.26/8.48                 (multiply @ (inverse @ X2) @ 
% 55.26/8.48                  (multiply @ (inverse @ (inverse @ X3)) @ X0))) @ 
% 55.26/8.48                X1) @ 
% 55.26/8.48               (inverse @ (multiply @ X2 @ X1)))))),
% 55.26/8.48      inference('sup+', [status(thm)], [zip_derived_cl0, zip_derived_cl0])).
% 55.26/8.48  thf(zip_derived_cl0, plain,
% 55.26/8.48      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i]:
% 55.26/8.48         ((multiply @ X1 @ 
% 55.26/8.48           (inverse @ 
% 55.26/8.48            (multiply @ 
% 55.26/8.48             (multiply @ 
% 55.26/8.48              (inverse @ 
% 55.26/8.48               (multiply @ (inverse @ X2) @ (multiply @ (inverse @ X1) @ X0))) @ 
% 55.26/8.48              X3) @ 
% 55.26/8.48             (inverse @ (multiply @ X2 @ X3)))))
% 55.26/8.48           = (X0))),
% 55.26/8.48      inference('cnf', [status(esa)], [single_axiom])).
% 55.26/8.48  thf(zip_derived_cl64, plain,
% 55.26/8.48      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i]:
% 55.26/8.48         ((multiply @ (inverse @ X3) @ 
% 55.26/8.48           (multiply @ X3 @ 
% 55.26/8.48            (inverse @ 
% 55.26/8.48             (multiply @ 
% 55.26/8.48              (multiply @ (inverse @ (multiply @ (inverse @ X1) @ X2)) @ X0) @ 
% 55.26/8.48              (inverse @ (multiply @ X1 @ X0))))))
% 55.26/8.48           = (X2))),
% 55.26/8.48      inference('sup+', [status(thm)], [zip_derived_cl3, zip_derived_cl0])).
% 55.26/8.48  thf(zip_derived_cl74, plain,
% 55.26/8.48      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i]:
% 55.26/8.48         ((inverse @ 
% 55.26/8.48           (multiply @ 
% 55.26/8.48            (multiply @ 
% 55.26/8.48             (inverse @ 
% 55.26/8.48              (multiply @ (inverse @ X1) @ 
% 55.26/8.48               (multiply @ (inverse @ (inverse @ X3)) @ 
% 55.26/8.48                (multiply @ (inverse @ X3) @ X2)))) @ 
% 55.26/8.48             X0) @ 
% 55.26/8.48            (inverse @ (multiply @ X1 @ X0))))
% 55.26/8.48           = (X2))),
% 55.26/8.48      inference('sup+', [status(thm)], [zip_derived_cl3, zip_derived_cl0])).
% 55.26/8.48  thf(zip_derived_cl64, plain,
% 55.26/8.48      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i]:
% 55.26/8.48         ((multiply @ (inverse @ X3) @ 
% 55.26/8.48           (multiply @ X3 @ 
% 55.26/8.48            (inverse @ 
% 55.26/8.48             (multiply @ 
% 55.26/8.48              (multiply @ (inverse @ (multiply @ (inverse @ X1) @ X2)) @ X0) @ 
% 55.26/8.48              (inverse @ (multiply @ X1 @ X0))))))
% 55.26/8.48           = (X2))),
% 55.26/8.48      inference('sup+', [status(thm)], [zip_derived_cl3, zip_derived_cl0])).
% 55.26/8.48  thf(zip_derived_cl215, plain,
% 55.26/8.48      (![X0 : $i, X1 : $i, X4 : $i]:
% 55.26/8.48         ((multiply @ (inverse @ X4) @ (multiply @ X4 @ X0))
% 55.26/8.48           = (multiply @ (inverse @ (inverse @ X1)) @ 
% 55.26/8.48              (multiply @ (inverse @ X1) @ X0)))),
% 55.26/8.48      inference('sup+', [status(thm)], [zip_derived_cl74, zip_derived_cl64])).
% 55.26/8.48  thf(zip_derived_cl215, plain,
% 55.26/8.48      (![X0 : $i, X1 : $i, X4 : $i]:
% 55.26/8.48         ((multiply @ (inverse @ X4) @ (multiply @ X4 @ X0))
% 55.26/8.48           = (multiply @ (inverse @ (inverse @ X1)) @ 
% 55.26/8.48              (multiply @ (inverse @ X1) @ X0)))),
% 55.26/8.48      inference('sup+', [status(thm)], [zip_derived_cl74, zip_derived_cl64])).
% 55.26/8.48  thf(zip_derived_cl281, plain,
% 55.26/8.48      (![X0 : $i, X1 : $i, X2 : $i]:
% 55.26/8.48         ((multiply @ (inverse @ X2) @ (multiply @ X2 @ X0))
% 55.26/8.48           = (multiply @ (inverse @ X1) @ (multiply @ X1 @ X0)))),
% 55.26/8.48      inference('sup+', [status(thm)], [zip_derived_cl215, zip_derived_cl215])).
% 55.26/8.48  thf(zip_derived_cl281, plain,
% 55.26/8.48      (![X0 : $i, X1 : $i, X2 : $i]:
% 55.26/8.48         ((multiply @ (inverse @ X2) @ (multiply @ X2 @ X0))
% 55.26/8.48           = (multiply @ (inverse @ X1) @ (multiply @ X1 @ X0)))),
% 55.26/8.48      inference('sup+', [status(thm)], [zip_derived_cl215, zip_derived_cl215])).
% 55.26/8.48  thf(zip_derived_cl0, plain,
% 55.26/8.48      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i]:
% 55.26/8.48         ((multiply @ X1 @ 
% 55.26/8.48           (inverse @ 
% 55.26/8.48            (multiply @ 
% 55.26/8.48             (multiply @ 
% 55.26/8.48              (inverse @ 
% 55.26/8.48               (multiply @ (inverse @ X2) @ (multiply @ (inverse @ X1) @ X0))) @ 
% 55.26/8.48              X3) @ 
% 55.26/8.48             (inverse @ (multiply @ X2 @ X3)))))
% 55.26/8.48           = (X0))),
% 55.26/8.48      inference('cnf', [status(esa)], [single_axiom])).
% 55.26/8.48  thf(zip_derived_cl380, plain,
% 55.26/8.48      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i]:
% 55.26/8.48         ((multiply @ X3 @ 
% 55.26/8.48           (inverse @ 
% 55.26/8.48            (multiply @ 
% 55.26/8.48             (multiply @ 
% 55.26/8.48              (inverse @ (multiply @ (inverse @ X1) @ (multiply @ X1 @ X0))) @ 
% 55.26/8.48              X2) @ 
% 55.26/8.48             (inverse @ (multiply @ (inverse @ X3) @ X2)))))
% 55.26/8.48           = (X0))),
% 55.26/8.48      inference('sup+', [status(thm)], [zip_derived_cl281, zip_derived_cl0])).
% 55.26/8.48  thf(zip_derived_cl711, plain,
% 55.26/8.48      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i]:
% 55.26/8.48         ((multiply @ X3 @ 
% 55.26/8.48           (inverse @ 
% 55.26/8.48            (multiply @ 
% 55.26/8.48             (multiply @ 
% 55.26/8.48              (inverse @ (multiply @ (inverse @ X4) @ (multiply @ X4 @ X2))) @ 
% 55.26/8.48              (multiply @ X3 @ X0)) @ 
% 55.26/8.48             (inverse @ (multiply @ (inverse @ X1) @ (multiply @ X1 @ X0))))))
% 55.26/8.48           = (X2))),
% 55.26/8.48      inference('sup+', [status(thm)], [zip_derived_cl281, zip_derived_cl380])).
% 55.26/8.48  thf(zip_derived_cl5478, plain,
% 55.26/8.48      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i]:
% 55.26/8.48         ((multiply @ (multiply @ (inverse @ X5) @ (multiply @ X5 @ X1)) @ 
% 55.26/8.48           (inverse @ 
% 55.26/8.48            (multiply @ X0 @ 
% 55.26/8.48             (inverse @ 
% 55.26/8.48              (multiply @ (inverse @ X4) @ 
% 55.26/8.48               (multiply @ X4 @ 
% 55.26/8.48                (inverse @ 
% 55.26/8.48                 (multiply @ 
% 55.26/8.48                  (multiply @ (inverse @ (multiply @ (inverse @ X3) @ X0)) @ X2) @ 
% 55.26/8.48                  (inverse @ (multiply @ X3 @ X2))))))))))
% 55.26/8.48           = (X1))),
% 55.26/8.48      inference('sup+', [status(thm)], [zip_derived_cl64, zip_derived_cl711])).
% 55.26/8.48  thf(zip_derived_cl64, plain,
% 55.26/8.48      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i]:
% 55.26/8.48         ((multiply @ (inverse @ X3) @ 
% 55.26/8.48           (multiply @ X3 @ 
% 55.26/8.48            (inverse @ 
% 55.26/8.48             (multiply @ 
% 55.26/8.48              (multiply @ (inverse @ (multiply @ (inverse @ X1) @ X2)) @ X0) @ 
% 55.26/8.48              (inverse @ (multiply @ X1 @ X0))))))
% 55.26/8.48           = (X2))),
% 55.26/8.48      inference('sup+', [status(thm)], [zip_derived_cl3, zip_derived_cl0])).
% 55.26/8.48  thf(zip_derived_cl5571, plain,
% 55.26/8.48      (![X0 : $i, X1 : $i, X5 : $i]:
% 55.26/8.48         ((multiply @ (multiply @ (inverse @ X5) @ (multiply @ X5 @ X1)) @ 
% 55.26/8.48           (inverse @ (multiply @ X0 @ (inverse @ X0)))) = (X1))),
% 55.26/8.48      inference('demod', [status(thm)], [zip_derived_cl5478, zip_derived_cl64])).
% 55.26/8.48  thf(zip_derived_cl281, plain,
% 55.26/8.48      (![X0 : $i, X1 : $i, X2 : $i]:
% 55.26/8.48         ((multiply @ (inverse @ X2) @ (multiply @ X2 @ X0))
% 55.26/8.48           = (multiply @ (inverse @ X1) @ (multiply @ X1 @ X0)))),
% 55.26/8.48      inference('sup+', [status(thm)], [zip_derived_cl215, zip_derived_cl215])).
% 55.26/8.48  thf(zip_derived_cl281, plain,
% 55.26/8.48      (![X0 : $i, X1 : $i, X2 : $i]:
% 55.26/8.48         ((multiply @ (inverse @ X2) @ (multiply @ X2 @ X0))
% 55.26/8.48           = (multiply @ (inverse @ X1) @ (multiply @ X1 @ X0)))),
% 55.26/8.48      inference('sup+', [status(thm)], [zip_derived_cl215, zip_derived_cl215])).
% 55.26/8.48  thf(zip_derived_cl362, plain,
% 55.26/8.48      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i]:
% 55.26/8.48         ((multiply @ (inverse @ X3) @ (multiply @ X3 @ (multiply @ X2 @ X0)))
% 55.26/8.48           = (multiply @ (inverse @ (inverse @ X2)) @ 
% 55.26/8.48              (multiply @ (inverse @ X1) @ (multiply @ X1 @ X0))))),
% 55.26/8.48      inference('sup+', [status(thm)], [zip_derived_cl281, zip_derived_cl281])).
% 55.26/8.48  thf(zip_derived_cl5571, plain,
% 55.26/8.48      (![X0 : $i, X1 : $i, X5 : $i]:
% 55.26/8.48         ((multiply @ (multiply @ (inverse @ X5) @ (multiply @ X5 @ X1)) @ 
% 55.26/8.48           (inverse @ (multiply @ X0 @ (inverse @ X0)))) = (X1))),
% 55.26/8.48      inference('demod', [status(thm)], [zip_derived_cl5478, zip_derived_cl64])).
% 55.26/8.48  thf(zip_derived_cl5657, plain,
% 55.26/8.48      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i]:
% 55.26/8.48         ((multiply @ 
% 55.26/8.48           (multiply @ (inverse @ (inverse @ X2)) @ 
% 55.26/8.48            (multiply @ (inverse @ X1) @ (multiply @ X1 @ X0))) @ 
% 55.26/8.48           (inverse @ (multiply @ X3 @ (inverse @ X3)))) = (multiply @ X2 @ X0))),
% 55.26/8.48      inference('sup+', [status(thm)], [zip_derived_cl362, zip_derived_cl5571])).
% 55.26/8.48  thf(zip_derived_cl6411, plain,
% 55.26/8.48      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i]:
% 55.26/8.48         ((multiply @ 
% 55.26/8.48           (multiply @ (inverse @ (inverse @ X2)) @ 
% 55.26/8.48            (multiply @ 
% 55.26/8.48             (inverse @ (multiply @ (inverse @ X4) @ (multiply @ X4 @ X0))) @ 
% 55.26/8.48             X0)) @ 
% 55.26/8.48           (inverse @ (multiply @ X3 @ (inverse @ X3))))
% 55.26/8.48           = (multiply @ X2 @ (inverse @ (multiply @ X1 @ (inverse @ X1)))))),
% 55.26/8.48      inference('sup+', [status(thm)], [zip_derived_cl5571, zip_derived_cl5657])).
% 55.26/8.48  thf(zip_derived_cl5571, plain,
% 55.26/8.48      (![X0 : $i, X1 : $i, X5 : $i]:
% 55.26/8.48         ((multiply @ (multiply @ (inverse @ X5) @ (multiply @ X5 @ X1)) @ 
% 55.26/8.48           (inverse @ (multiply @ X0 @ (inverse @ X0)))) = (X1))),
% 55.26/8.48      inference('demod', [status(thm)], [zip_derived_cl5478, zip_derived_cl64])).
% 55.26/8.48  thf(zip_derived_cl246, plain,
% 55.26/8.48      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i]:
% 55.26/8.48         ((inverse @ 
% 55.26/8.48           (multiply @ 
% 55.26/8.48            (multiply @ 
% 55.26/8.48             (inverse @ 
% 55.26/8.48              (multiply @ (inverse @ X3) @ 
% 55.26/8.48               (multiply @ (inverse @ X0) @ (multiply @ X0 @ X1)))) @ 
% 55.26/8.48             X2) @ 
% 55.26/8.48            (inverse @ (multiply @ X3 @ X2))))
% 55.26/8.48           = (X1))),
% 55.26/8.48      inference('demod', [status(thm)],
% 55.26/8.48                [zip_derived_cl235, zip_derived_cl3, zip_derived_cl0])).
% 55.26/8.48  thf(zip_derived_cl64, plain,
% 55.26/8.48      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i]:
% 55.26/8.48         ((multiply @ (inverse @ X3) @ 
% 55.26/8.48           (multiply @ X3 @ 
% 55.26/8.48            (inverse @ 
% 55.26/8.48             (multiply @ 
% 55.26/8.48              (multiply @ (inverse @ (multiply @ (inverse @ X1) @ X2)) @ X0) @ 
% 55.26/8.48              (inverse @ (multiply @ X1 @ X0))))))
% 55.26/8.48           = (X2))),
% 55.26/8.48      inference('sup+', [status(thm)], [zip_derived_cl3, zip_derived_cl0])).
% 55.26/8.48  thf(zip_derived_cl0, plain,
% 55.26/8.48      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i]:
% 55.26/8.48         ((multiply @ X1 @ 
% 55.26/8.48           (inverse @ 
% 55.26/8.48            (multiply @ 
% 55.26/8.48             (multiply @ 
% 55.26/8.48              (inverse @ 
% 55.26/8.48               (multiply @ (inverse @ X2) @ (multiply @ (inverse @ X1) @ X0))) @ 
% 55.26/8.48              X3) @ 
% 55.26/8.48             (inverse @ (multiply @ X2 @ X3)))))
% 55.26/8.48           = (X0))),
% 55.26/8.48      inference('cnf', [status(esa)], [single_axiom])).
% 55.26/8.48  thf(zip_derived_cl153, plain,
% 55.26/8.48      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i]:
% 55.26/8.48         ((multiply @ X4 @ 
% 55.26/8.48           (inverse @ 
% 55.26/8.48            (multiply @ (multiply @ (inverse @ X0) @ X3) @ 
% 55.26/8.48             (inverse @ (multiply @ (inverse @ X4) @ X3)))))
% 55.26/8.48           = (inverse @ 
% 55.26/8.48              (multiply @ 
% 55.26/8.48               (multiply @ (inverse @ (multiply @ (inverse @ X2) @ X0)) @ X1) @ 
% 55.26/8.48               (inverse @ (multiply @ X2 @ X1)))))),
% 55.26/8.48      inference('sup+', [status(thm)], [zip_derived_cl64, zip_derived_cl0])).
% 55.26/8.48  thf(zip_derived_cl362, plain,
% 55.26/8.48      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i]:
% 55.26/8.48         ((multiply @ (inverse @ X3) @ (multiply @ X3 @ (multiply @ X2 @ X0)))
% 55.26/8.48           = (multiply @ (inverse @ (inverse @ X2)) @ 
% 55.26/8.48              (multiply @ (inverse @ X1) @ (multiply @ X1 @ X0))))),
% 55.26/8.48      inference('sup+', [status(thm)], [zip_derived_cl281, zip_derived_cl281])).
% 55.26/8.48  thf(zip_derived_cl902, plain,
% 55.26/8.48      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i]:
% 55.26/8.48         ((multiply @ (inverse @ X6) @ 
% 55.26/8.48           (multiply @ X6 @ 
% 55.26/8.48            (inverse @ 
% 55.26/8.48             (multiply @ 
% 55.26/8.48              (multiply @ (inverse @ (multiply @ (inverse @ X1) @ X2)) @ X0) @ 
% 55.26/8.48              (inverse @ (multiply @ X1 @ X0))))))
% 55.26/8.48           = (multiply @ (inverse @ (inverse @ X4)) @ 
% 55.26/8.48              (multiply @ (inverse @ X5) @ 
% 55.26/8.48               (multiply @ X5 @ 
% 55.26/8.48                (inverse @ 
% 55.26/8.48                 (multiply @ (multiply @ (inverse @ X2) @ X3) @ 
% 55.26/8.48                  (inverse @ (multiply @ (inverse @ X4) @ X3))))))))),
% 55.26/8.48      inference('sup+', [status(thm)], [zip_derived_cl153, zip_derived_cl362])).
% 55.26/8.48  thf(zip_derived_cl64, plain,
% 55.26/8.48      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i]:
% 55.26/8.48         ((multiply @ (inverse @ X3) @ 
% 55.26/8.48           (multiply @ X3 @ 
% 55.26/8.48            (inverse @ 
% 55.26/8.48             (multiply @ 
% 55.26/8.48              (multiply @ (inverse @ (multiply @ (inverse @ X1) @ X2)) @ X0) @ 
% 55.26/8.48              (inverse @ (multiply @ X1 @ X0))))))
% 55.26/8.48           = (X2))),
% 55.26/8.48      inference('sup+', [status(thm)], [zip_derived_cl3, zip_derived_cl0])).
% 55.26/8.48  thf(zip_derived_cl1023, plain,
% 55.26/8.48      (![X2 : $i, X3 : $i, X4 : $i, X5 : $i]:
% 55.26/8.48         ((X2)
% 55.26/8.48           = (multiply @ (inverse @ (inverse @ X4)) @ 
% 55.26/8.48              (multiply @ (inverse @ X5) @ 
% 55.26/8.48               (multiply @ X5 @ 
% 55.26/8.48                (inverse @ 
% 55.26/8.48                 (multiply @ (multiply @ (inverse @ X2) @ X3) @ 
% 55.26/8.48                  (inverse @ (multiply @ (inverse @ X4) @ X3))))))))),
% 55.26/8.48      inference('demod', [status(thm)], [zip_derived_cl902, zip_derived_cl64])).
% 55.26/8.48  thf(zip_derived_cl2937, plain,
% 55.26/8.48      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i]:
% 55.26/8.48         ((X5)
% 55.26/8.48           = (multiply @ 
% 55.26/8.48              (inverse @ 
% 55.26/8.48               (inverse @ 
% 55.26/8.48                (multiply @ 
% 55.26/8.48                 (multiply @ 
% 55.26/8.48                  (inverse @ 
% 55.26/8.48                   (multiply @ (inverse @ X3) @ 
% 55.26/8.48                    (multiply @ (inverse @ X4) @ (multiply @ X4 @ X0)))) @ 
% 55.26/8.48                  X2) @ 
% 55.26/8.48                 (inverse @ (multiply @ X3 @ X2))))) @ 
% 55.26/8.48              (multiply @ (inverse @ X6) @ 
% 55.26/8.48               (multiply @ X6 @ 
% 55.26/8.48                (inverse @ 
% 55.26/8.48                 (multiply @ (multiply @ (inverse @ X5) @ X1) @ 
% 55.26/8.48                  (inverse @ (multiply @ X0 @ X1))))))))),
% 55.26/8.48      inference('sup+', [status(thm)], [zip_derived_cl246, zip_derived_cl1023])).
% 55.26/8.48  thf(zip_derived_cl246, plain,
% 55.26/8.48      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i]:
% 55.26/8.48         ((inverse @ 
% 55.26/8.48           (multiply @ 
% 55.26/8.48            (multiply @ 
% 55.26/8.48             (inverse @ 
% 55.26/8.48              (multiply @ (inverse @ X3) @ 
% 55.26/8.48               (multiply @ (inverse @ X0) @ (multiply @ X0 @ X1)))) @ 
% 55.26/8.48             X2) @ 
% 55.26/8.48            (inverse @ (multiply @ X3 @ X2))))
% 55.26/8.48           = (X1))),
% 55.26/8.48      inference('demod', [status(thm)],
% 55.26/8.48                [zip_derived_cl235, zip_derived_cl3, zip_derived_cl0])).
% 55.26/8.48  thf(zip_derived_cl2988, plain,
% 55.26/8.48      (![X0 : $i, X1 : $i, X5 : $i, X6 : $i]:
% 55.26/8.48         ((X5)
% 55.26/8.48           = (multiply @ (inverse @ X0) @ 
% 55.26/8.48              (multiply @ (inverse @ X6) @ 
% 55.26/8.48               (multiply @ X6 @ 
% 55.26/8.48                (inverse @ 
% 55.26/8.48                 (multiply @ (multiply @ (inverse @ X5) @ X1) @ 
% 55.26/8.48                  (inverse @ (multiply @ X0 @ X1))))))))),
% 55.26/8.48      inference('demod', [status(thm)], [zip_derived_cl2937, zip_derived_cl246])).
% 55.26/8.48  thf(zip_derived_cl5636, plain,
% 55.26/8.48      (![X0 : $i, X2 : $i, X3 : $i]:
% 55.26/8.48         ((X2)
% 55.26/8.48           = (multiply @ (inverse @ (inverse @ X2)) @ 
% 55.26/8.48              (multiply @ 
% 55.26/8.48               (inverse @ (multiply @ (inverse @ X3) @ (multiply @ X3 @ X0))) @ 
% 55.26/8.48               X0)))),
% 55.26/8.48      inference('sup+', [status(thm)], [zip_derived_cl5571, zip_derived_cl2988])).
% 55.26/8.48  thf(zip_derived_cl6456, plain,
% 55.26/8.48      (![X1 : $i, X2 : $i, X3 : $i]:
% 55.26/8.48         ((multiply @ X2 @ (inverse @ (multiply @ X3 @ (inverse @ X3))))
% 55.26/8.48           = (multiply @ X2 @ (inverse @ (multiply @ X1 @ (inverse @ X1)))))),
% 55.26/8.48      inference('demod', [status(thm)],
% 55.26/8.48                [zip_derived_cl6411, zip_derived_cl5636])).
% 55.26/8.48  thf(zip_derived_cl153, plain,
% 55.26/8.48      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i]:
% 55.26/8.48         ((multiply @ X4 @ 
% 55.26/8.48           (inverse @ 
% 55.26/8.48            (multiply @ (multiply @ (inverse @ X0) @ X3) @ 
% 55.26/8.48             (inverse @ (multiply @ (inverse @ X4) @ X3)))))
% 55.26/8.48           = (inverse @ 
% 55.26/8.48              (multiply @ 
% 55.26/8.48               (multiply @ (inverse @ (multiply @ (inverse @ X2) @ X0)) @ X1) @ 
% 55.26/8.48               (inverse @ (multiply @ X2 @ X1)))))),
% 55.26/8.48      inference('sup+', [status(thm)], [zip_derived_cl64, zip_derived_cl0])).
% 55.26/8.48  thf(zip_derived_cl64, plain,
% 55.26/8.48      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i]:
% 55.26/8.48         ((multiply @ (inverse @ X3) @ 
% 55.26/8.48           (multiply @ X3 @ 
% 55.26/8.48            (inverse @ 
% 55.26/8.48             (multiply @ 
% 55.26/8.48              (multiply @ (inverse @ (multiply @ (inverse @ X1) @ X2)) @ X0) @ 
% 55.26/8.48              (inverse @ (multiply @ X1 @ X0))))))
% 55.26/8.48           = (X2))),
% 55.26/8.48      inference('sup+', [status(thm)], [zip_derived_cl3, zip_derived_cl0])).
% 55.26/8.48  thf(zip_derived_cl884, plain,
% 55.26/8.48      (![X0 : $i, X1 : $i, X2 : $i, X5 : $i]:
% 55.26/8.48         ((multiply @ (inverse @ X5) @ 
% 55.26/8.48           (multiply @ X5 @ 
% 55.26/8.48            (multiply @ X1 @ 
% 55.26/8.48             (inverse @ 
% 55.26/8.48              (multiply @ (multiply @ (inverse @ X2) @ X0) @ 
% 55.26/8.48               (inverse @ (multiply @ (inverse @ X1) @ X0)))))))
% 55.26/8.48           = (X2))),
% 55.26/8.48      inference('sup+', [status(thm)], [zip_derived_cl153, zip_derived_cl64])).
% 55.26/8.48  thf(zip_derived_cl6513, plain,
% 55.26/8.48      (![X0 : $i, X1 : $i, X3 : $i]:
% 55.26/8.48         ((multiply @ (inverse @ X3) @ 
% 55.26/8.48           (multiply @ X3 @ 
% 55.26/8.48            (multiply @ X1 @ (inverse @ (multiply @ X0 @ (inverse @ X0))))))
% 55.26/8.48           = (X1))),
% 55.26/8.48      inference('sup+', [status(thm)], [zip_derived_cl6456, zip_derived_cl884])).
% 55.26/8.48  thf(zip_derived_cl246, plain,
% 55.26/8.48      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i]:
% 55.26/8.48         ((inverse @ 
% 55.26/8.48           (multiply @ 
% 55.26/8.48            (multiply @ 
% 55.26/8.48             (inverse @ 
% 55.26/8.48              (multiply @ (inverse @ X3) @ 
% 55.26/8.48               (multiply @ (inverse @ X0) @ (multiply @ X0 @ X1)))) @ 
% 55.26/8.48             X2) @ 
% 55.26/8.48            (inverse @ (multiply @ X3 @ X2))))
% 55.26/8.48           = (X1))),
% 55.26/8.48      inference('demod', [status(thm)],
% 55.26/8.48                [zip_derived_cl235, zip_derived_cl3, zip_derived_cl0])).
% 55.26/8.48  thf(zip_derived_cl6865, plain,
% 55.26/8.48      (![X0 : $i, X1 : $i, X2 : $i]:
% 55.26/8.48         ((inverse @ 
% 55.26/8.48           (multiply @ (multiply @ (inverse @ X0) @ X2) @ 
% 55.26/8.48            (inverse @ (multiply @ (inverse @ X0) @ X2))))
% 55.26/8.48           = (inverse @ (multiply @ X1 @ (inverse @ X1))))),
% 55.26/8.48      inference('sup+', [status(thm)], [zip_derived_cl6513, zip_derived_cl246])).
% 55.26/8.48  thf(zip_derived_cl884, plain,
% 55.26/8.48      (![X0 : $i, X1 : $i, X2 : $i, X5 : $i]:
% 55.26/8.48         ((multiply @ (inverse @ X5) @ 
% 55.26/8.48           (multiply @ X5 @ 
% 55.26/8.48            (multiply @ X1 @ 
% 55.26/8.48             (inverse @ 
% 55.26/8.48              (multiply @ (multiply @ (inverse @ X2) @ X0) @ 
% 55.26/8.48               (inverse @ (multiply @ (inverse @ X1) @ X0)))))))
% 55.26/8.48           = (X2))),
% 55.26/8.48      inference('sup+', [status(thm)], [zip_derived_cl153, zip_derived_cl64])).
% 55.26/8.48  thf(zip_derived_cl7577, plain,
% 55.26/8.48      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i]:
% 55.26/8.48         ((multiply @ (inverse @ X5) @ 
% 55.26/8.48           (multiply @ X5 @ 
% 55.26/8.48            (multiply @ X4 @ 
% 55.26/8.48             (inverse @ 
% 55.26/8.48              (multiply @ 
% 55.26/8.48               (multiply @ 
% 55.26/8.48                (inverse @ 
% 55.26/8.48                 (multiply @ (multiply @ (inverse @ X1) @ X0) @ 
% 55.26/8.48                  (inverse @ (multiply @ (inverse @ X1) @ X0)))) @ 
% 55.26/8.48                X3) @ 
% 55.26/8.48               (inverse @ (multiply @ (inverse @ X4) @ X3)))))))
% 55.26/8.48           = (multiply @ X2 @ (inverse @ X2)))),
% 55.26/8.48      inference('sup+', [status(thm)], [zip_derived_cl6865, zip_derived_cl884])).
% 55.26/8.48  thf(zip_derived_cl6865, plain,
% 55.26/8.48      (![X0 : $i, X1 : $i, X2 : $i]:
% 55.26/8.48         ((inverse @ 
% 55.26/8.48           (multiply @ (multiply @ (inverse @ X0) @ X2) @ 
% 55.26/8.48            (inverse @ (multiply @ (inverse @ X0) @ X2))))
% 55.26/8.48           = (inverse @ (multiply @ X1 @ (inverse @ X1))))),
% 55.26/8.48      inference('sup+', [status(thm)], [zip_derived_cl6513, zip_derived_cl246])).
% 55.26/8.48  thf(zip_derived_cl884, plain,
% 55.26/8.48      (![X0 : $i, X1 : $i, X2 : $i, X5 : $i]:
% 55.26/8.48         ((multiply @ (inverse @ X5) @ 
% 55.26/8.48           (multiply @ X5 @ 
% 55.26/8.48            (multiply @ X1 @ 
% 55.26/8.48             (inverse @ 
% 55.26/8.48              (multiply @ (multiply @ (inverse @ X2) @ X0) @ 
% 55.26/8.48               (inverse @ (multiply @ (inverse @ X1) @ X0)))))))
% 55.26/8.48           = (X2))),
% 55.26/8.48      inference('sup+', [status(thm)], [zip_derived_cl153, zip_derived_cl64])).
% 55.26/8.48  thf(zip_derived_cl8002, plain,
% 55.26/8.48      (![X1 : $i, X2 : $i]:
% 55.26/8.48         ((multiply @ X1 @ (inverse @ X1)) = (multiply @ X2 @ (inverse @ X2)))),
% 55.26/8.48      inference('demod', [status(thm)],
% 55.26/8.48                [zip_derived_cl7577, zip_derived_cl6865, zip_derived_cl884])).
% 55.26/8.48  thf(zip_derived_cl281, plain,
% 55.26/8.48      (![X0 : $i, X1 : $i, X2 : $i]:
% 55.26/8.48         ((multiply @ (inverse @ X2) @ (multiply @ X2 @ X0))
% 55.26/8.48           = (multiply @ (inverse @ X1) @ (multiply @ X1 @ X0)))),
% 55.26/8.48      inference('sup+', [status(thm)], [zip_derived_cl215, zip_derived_cl215])).
% 55.26/8.48  thf(zip_derived_cl8145, plain,
% 55.26/8.48      (![X0 : $i, X1 : $i, X2 : $i]:
% 55.26/8.48         ((multiply @ (inverse @ X2) @ (multiply @ X2 @ (inverse @ X1)))
% 55.26/8.48           = (multiply @ (inverse @ X1) @ (multiply @ X0 @ (inverse @ X0))))),
% 55.26/8.48      inference('sup+', [status(thm)], [zip_derived_cl8002, zip_derived_cl281])).
% 55.26/8.48  thf(zip_derived_cl9024, plain,
% 55.26/8.48      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i]:
% 55.26/8.48         ((multiply @ (inverse @ X5) @ (multiply @ X5 @ X0))
% 55.26/8.48           = (multiply @ 
% 55.26/8.48              (inverse @ 
% 55.26/8.48               (multiply @ 
% 55.26/8.48                (multiply @ 
% 55.26/8.48                 (inverse @ 
% 55.26/8.48                  (multiply @ (inverse @ X3) @ 
% 55.26/8.48                   (multiply @ (inverse @ X4) @ (multiply @ X4 @ X0)))) @ 
% 55.26/8.48                 X2) @ 
% 55.26/8.48                (inverse @ (multiply @ X3 @ X2)))) @ 
% 55.26/8.48              (multiply @ X1 @ (inverse @ X1))))),
% 55.26/8.48      inference('sup+', [status(thm)], [zip_derived_cl246, zip_derived_cl8145])).
% 55.26/8.48  thf(zip_derived_cl246, plain,
% 55.26/8.48      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i]:
% 55.26/8.48         ((inverse @ 
% 55.26/8.48           (multiply @ 
% 55.26/8.48            (multiply @ 
% 55.26/8.48             (inverse @ 
% 55.26/8.48              (multiply @ (inverse @ X3) @ 
% 55.26/8.48               (multiply @ (inverse @ X0) @ (multiply @ X0 @ X1)))) @ 
% 55.26/8.48             X2) @ 
% 55.26/8.48            (inverse @ (multiply @ X3 @ X2))))
% 55.26/8.48           = (X1))),
% 55.26/8.48      inference('demod', [status(thm)],
% 55.26/8.48                [zip_derived_cl235, zip_derived_cl3, zip_derived_cl0])).
% 55.26/8.48  thf(zip_derived_cl9075, plain,
% 55.26/8.48      (![X0 : $i, X1 : $i, X5 : $i]:
% 55.26/8.48         ((multiply @ (inverse @ X5) @ (multiply @ X5 @ X0))
% 55.26/8.48           = (multiply @ X0 @ (multiply @ X1 @ (inverse @ X1))))),
% 55.26/8.48      inference('demod', [status(thm)], [zip_derived_cl9024, zip_derived_cl246])).
% 55.26/8.48  thf(zip_derived_cl6456, plain,
% 55.26/8.48      (![X1 : $i, X2 : $i, X3 : $i]:
% 55.26/8.48         ((multiply @ X2 @ (inverse @ (multiply @ X3 @ (inverse @ X3))))
% 55.26/8.48           = (multiply @ X2 @ (inverse @ (multiply @ X1 @ (inverse @ X1)))))),
% 55.26/8.48      inference('demod', [status(thm)],
% 55.26/8.48                [zip_derived_cl6411, zip_derived_cl5636])).
% 55.26/8.48  thf(zip_derived_cl153, plain,
% 55.26/8.48      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i]:
% 55.26/8.48         ((multiply @ X4 @ 
% 55.26/8.48           (inverse @ 
% 55.26/8.48            (multiply @ (multiply @ (inverse @ X0) @ X3) @ 
% 55.26/8.48             (inverse @ (multiply @ (inverse @ X4) @ X3)))))
% 55.26/8.48           = (inverse @ 
% 55.26/8.48              (multiply @ 
% 55.26/8.48               (multiply @ (inverse @ (multiply @ (inverse @ X2) @ X0)) @ X1) @ 
% 55.26/8.48               (inverse @ (multiply @ X2 @ X1)))))),
% 55.26/8.48      inference('sup+', [status(thm)], [zip_derived_cl64, zip_derived_cl0])).
% 55.26/8.48  thf(zip_derived_cl0, plain,
% 55.26/8.48      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i]:
% 55.26/8.48         ((multiply @ X1 @ 
% 55.26/8.48           (inverse @ 
% 55.26/8.48            (multiply @ 
% 55.26/8.48             (multiply @ 
% 55.26/8.48              (inverse @ 
% 55.26/8.48               (multiply @ (inverse @ X2) @ (multiply @ (inverse @ X1) @ X0))) @ 
% 55.26/8.48              X3) @ 
% 55.26/8.48             (inverse @ (multiply @ X2 @ X3)))))
% 55.26/8.48           = (X0))),
% 55.26/8.48      inference('cnf', [status(esa)], [single_axiom])).
% 55.26/8.48  thf(zip_derived_cl879, plain,
% 55.26/8.48      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i]:
% 55.26/8.48         ((multiply @ X3 @ 
% 55.26/8.48           (multiply @ X1 @ 
% 55.26/8.48            (inverse @ 
% 55.26/8.48             (multiply @ 
% 55.26/8.48              (multiply @ (inverse @ (multiply @ (inverse @ X3) @ X2)) @ X0) @ 
% 55.26/8.48              (inverse @ (multiply @ (inverse @ X1) @ X0))))))
% 55.26/8.48           = (X2))),
% 55.26/8.48      inference('sup+', [status(thm)], [zip_derived_cl153, zip_derived_cl0])).
% 55.26/8.48  thf(zip_derived_cl6514, plain,
% 55.26/8.48      (![X0 : $i, X1 : $i, X2 : $i]:
% 55.26/8.48         ((multiply @ X2 @ 
% 55.26/8.48           (multiply @ (multiply @ (inverse @ X2) @ X1) @ 
% 55.26/8.48            (inverse @ (multiply @ X0 @ (inverse @ X0)))))
% 55.26/8.48           = (X1))),
% 55.26/8.48      inference('sup+', [status(thm)], [zip_derived_cl6456, zip_derived_cl879])).
% 55.26/8.48  thf(zip_derived_cl9557, plain,
% 55.26/8.48      (![X0 : $i, X1 : $i]:
% 55.26/8.48         ((multiply @ (inverse @ X1) @ (multiply @ X1 @ X0))
% 55.26/8.48           = (inverse @ (inverse @ X0)))),
% 55.26/8.48      inference('sup+', [status(thm)], [zip_derived_cl9075, zip_derived_cl6514])).
% 55.26/8.48  thf(zip_derived_cl9557, plain,
% 55.26/8.48      (![X0 : $i, X1 : $i]:
% 55.26/8.48         ((multiply @ (inverse @ X1) @ (multiply @ X1 @ X0))
% 55.26/8.48           = (inverse @ (inverse @ X0)))),
% 55.26/8.48      inference('sup+', [status(thm)], [zip_derived_cl9075, zip_derived_cl6514])).
% 55.26/8.48  thf(zip_derived_cl9981, plain,
% 55.26/8.48      (![X0 : $i, X1 : $i, X2 : $i]:
% 55.26/8.48         ((multiply @ (inverse @ X2) @ (multiply @ X2 @ (inverse @ X0)))
% 55.26/8.48           = (inverse @ (multiply @ (inverse @ X1) @ (multiply @ X1 @ X0))))),
% 55.26/8.48      inference('sup+', [status(thm)], [zip_derived_cl9557, zip_derived_cl9557])).
% 55.26/8.48  thf(zip_derived_cl6513, plain,
% 55.26/8.48      (![X0 : $i, X1 : $i, X3 : $i]:
% 55.26/8.48         ((multiply @ (inverse @ X3) @ 
% 55.26/8.48           (multiply @ X3 @ 
% 55.26/8.48            (multiply @ X1 @ (inverse @ (multiply @ X0 @ (inverse @ X0))))))
% 55.26/8.48           = (X1))),
% 55.26/8.48      inference('sup+', [status(thm)], [zip_derived_cl6456, zip_derived_cl884])).
% 55.26/8.48  thf(zip_derived_cl14516, plain,
% 55.26/8.48      (![X0 : $i, X1 : $i, X2 : $i]:
% 55.26/8.48         ((multiply @ (inverse @ (inverse @ X2)) @ 
% 55.26/8.48           (inverse @ 
% 55.26/8.48            (multiply @ (inverse @ X1) @ 
% 55.26/8.48             (multiply @ X1 @ (multiply @ X0 @ (inverse @ X0))))))
% 55.26/8.48           = (X2))),
% 55.26/8.48      inference('sup+', [status(thm)], [zip_derived_cl9981, zip_derived_cl6513])).
% 55.26/8.48  thf(zip_derived_cl8002, plain,
% 55.26/8.48      (![X1 : $i, X2 : $i]:
% 55.26/8.48         ((multiply @ X1 @ (inverse @ X1)) = (multiply @ X2 @ (inverse @ X2)))),
% 55.26/8.48      inference('demod', [status(thm)],
% 55.26/8.48                [zip_derived_cl7577, zip_derived_cl6865, zip_derived_cl884])).
% 55.26/8.48  thf(zip_derived_cl6513, plain,
% 55.26/8.48      (![X0 : $i, X1 : $i, X3 : $i]:
% 55.26/8.48         ((multiply @ (inverse @ X3) @ 
% 55.26/8.48           (multiply @ X3 @ 
% 55.26/8.48            (multiply @ X1 @ (inverse @ (multiply @ X0 @ (inverse @ X0))))))
% 55.26/8.48           = (X1))),
% 55.26/8.48      inference('sup+', [status(thm)], [zip_derived_cl6456, zip_derived_cl884])).
% 55.26/8.48  thf(zip_derived_cl8188, plain,
% 55.26/8.48      (![X0 : $i, X1 : $i, X2 : $i]:
% 55.26/8.48         ((multiply @ (inverse @ X2) @ 
% 55.26/8.48           (multiply @ X2 @ (multiply @ X0 @ (inverse @ X0))))
% 55.26/8.48           = (multiply @ X1 @ (inverse @ X1)))),
% 55.26/8.48      inference('sup+', [status(thm)], [zip_derived_cl8002, zip_derived_cl6513])).
% 55.26/8.48  thf(zip_derived_cl14863, plain,
% 55.26/8.48      (![X1 : $i, X2 : $i]:
% 55.26/8.48         ((multiply @ (inverse @ (inverse @ X2)) @ 
% 55.26/8.48           (inverse @ (multiply @ X1 @ (inverse @ X1)))) = (X2))),
% 55.26/8.48      inference('demod', [status(thm)],
% 55.26/8.48                [zip_derived_cl14516, zip_derived_cl8188])).
% 55.26/8.48  thf(zip_derived_cl362, plain,
% 55.26/8.48      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i]:
% 55.26/8.48         ((multiply @ (inverse @ X3) @ (multiply @ X3 @ (multiply @ X2 @ X0)))
% 55.26/8.48           = (multiply @ (inverse @ (inverse @ X2)) @ 
% 55.26/8.48              (multiply @ (inverse @ X1) @ (multiply @ X1 @ X0))))),
% 55.26/8.48      inference('sup+', [status(thm)], [zip_derived_cl281, zip_derived_cl281])).
% 55.26/8.48  thf(zip_derived_cl3, plain,
% 55.26/8.48      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i]:
% 55.26/8.48         ((multiply @ X3 @ 
% 55.26/8.48           (inverse @ 
% 55.26/8.48            (multiply @ 
% 55.26/8.48             (multiply @ (inverse @ (multiply @ (inverse @ X5) @ X0)) @ X4) @ 
% 55.26/8.48             (inverse @ (multiply @ X5 @ X4)))))
% 55.26/8.48           = (inverse @ 
% 55.26/8.48              (multiply @ 
% 55.26/8.48               (multiply @ 
% 55.26/8.48                (inverse @ 
% 55.26/8.48                 (multiply @ (inverse @ X2) @ 
% 55.26/8.48                  (multiply @ (inverse @ (inverse @ X3)) @ X0))) @ 
% 55.26/8.48                X1) @ 
% 55.26/8.48               (inverse @ (multiply @ X2 @ X1)))))),
% 55.26/8.48      inference('sup+', [status(thm)], [zip_derived_cl0, zip_derived_cl0])).
% 55.26/8.48  thf(zip_derived_cl479, plain,
% 55.26/8.48      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i]:
% 55.26/8.48         ((multiply @ X4 @ 
% 55.26/8.48           (inverse @ 
% 55.26/8.48            (multiply @ 
% 55.26/8.48             (multiply @ 
% 55.26/8.48              (inverse @ 
% 55.26/8.48               (multiply @ (inverse @ X6) @ (multiply @ (inverse @ X4) @ X0))) @ 
% 55.26/8.48              X5) @ 
% 55.26/8.48             (inverse @ (multiply @ X6 @ X5)))))
% 55.26/8.48           = (inverse @ 
% 55.26/8.48              (multiply @ 
% 55.26/8.48               (multiply @ 
% 55.26/8.48                (inverse @ 
% 55.26/8.48                 (multiply @ (inverse @ X2) @ 
% 55.26/8.48                  (multiply @ X2 @ (multiply @ X1 @ X0)))) @ 
% 55.26/8.48                X3) @ 
% 55.26/8.48               (inverse @ (multiply @ (inverse @ X1) @ X3)))))),
% 55.26/8.48      inference('sup+', [status(thm)], [zip_derived_cl362, zip_derived_cl3])).
% 55.26/8.48  thf(zip_derived_cl0, plain,
% 55.26/8.48      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i]:
% 55.26/8.48         ((multiply @ X1 @ 
% 55.26/8.48           (inverse @ 
% 55.26/8.48            (multiply @ 
% 55.26/8.48             (multiply @ 
% 55.26/8.48              (inverse @ 
% 55.26/8.48               (multiply @ (inverse @ X2) @ (multiply @ (inverse @ X1) @ X0))) @ 
% 55.26/8.48              X3) @ 
% 55.26/8.48             (inverse @ (multiply @ X2 @ X3)))))
% 55.26/8.48           = (X0))),
% 55.26/8.48      inference('cnf', [status(esa)], [single_axiom])).
% 55.26/8.48  thf(zip_derived_cl577, plain,
% 55.26/8.48      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i]:
% 55.26/8.48         ((X0)
% 55.26/8.48           = (inverse @ 
% 55.26/8.48              (multiply @ 
% 55.26/8.48               (multiply @ 
% 55.26/8.48                (inverse @ 
% 55.26/8.48                 (multiply @ (inverse @ X2) @ 
% 55.26/8.48                  (multiply @ X2 @ (multiply @ X1 @ X0)))) @ 
% 55.26/8.48                X3) @ 
% 55.26/8.48               (inverse @ (multiply @ (inverse @ X1) @ X3)))))),
% 55.26/8.48      inference('demod', [status(thm)], [zip_derived_cl479, zip_derived_cl0])).
% 55.26/8.48  thf(zip_derived_cl14986, plain,
% 55.26/8.48      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i]:
% 55.26/8.48         ((X2)
% 55.26/8.48           = (inverse @ 
% 55.26/8.48              (multiply @ 
% 55.26/8.48               (multiply @ 
% 55.26/8.48                (inverse @ 
% 55.26/8.48                 (multiply @ (inverse @ X3) @ 
% 55.26/8.48                  (multiply @ X3 @ (multiply @ (inverse @ X0) @ X2)))) @ 
% 55.26/8.48                (inverse @ (multiply @ X1 @ (inverse @ X1)))) @ 
% 55.26/8.48               (inverse @ X0))))),
% 55.26/8.48      inference('sup+', [status(thm)], [zip_derived_cl14863, zip_derived_cl577])).
% 55.26/8.48  thf(zip_derived_cl9981, plain,
% 55.26/8.48      (![X0 : $i, X1 : $i, X2 : $i]:
% 55.26/8.48         ((multiply @ (inverse @ X2) @ (multiply @ X2 @ (inverse @ X0)))
% 55.26/8.48           = (inverse @ (multiply @ (inverse @ X1) @ (multiply @ X1 @ X0))))),
% 55.26/8.48      inference('sup+', [status(thm)], [zip_derived_cl9557, zip_derived_cl9557])).
% 55.26/8.48  thf(zip_derived_cl5571, plain,
% 55.26/8.48      (![X0 : $i, X1 : $i, X5 : $i]:
% 55.26/8.48         ((multiply @ (multiply @ (inverse @ X5) @ (multiply @ X5 @ X1)) @ 
% 55.26/8.48           (inverse @ (multiply @ X0 @ (inverse @ X0)))) = (X1))),
% 55.26/8.48      inference('demod', [status(thm)], [zip_derived_cl5478, zip_derived_cl64])).
% 55.26/8.48  thf(zip_derived_cl15134, plain,
% 55.26/8.48      (![X0 : $i, X2 : $i]:
% 55.26/8.48         ((X2)
% 55.26/8.48           = (inverse @ 
% 55.26/8.48              (multiply @ (inverse @ (multiply @ (inverse @ X0) @ X2)) @ 
% 55.26/8.48               (inverse @ X0))))),
% 55.26/8.48      inference('demod', [status(thm)],
% 55.26/8.48                [zip_derived_cl14986, zip_derived_cl9981, zip_derived_cl5571])).
% 55.26/8.48  thf(zip_derived_cl15298, plain,
% 55.26/8.48      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i]:
% 55.26/8.48         ((X4)
% 55.26/8.48           = (inverse @ 
% 55.26/8.48              (multiply @ 
% 55.26/8.48               (inverse @ 
% 55.26/8.48                (multiply @ 
% 55.26/8.48                 (inverse @ 
% 55.26/8.48                  (multiply @ 
% 55.26/8.48                   (multiply @ 
% 55.26/8.48                    (inverse @ 
% 55.26/8.48                     (multiply @ (inverse @ X2) @ 
% 55.26/8.48                      (multiply @ (inverse @ X3) @ (multiply @ X3 @ X0)))) @ 
% 55.26/8.48                    X1) @ 
% 55.26/8.48                   (inverse @ (multiply @ X2 @ X1)))) @ 
% 55.26/8.48                 X4)) @ 
% 55.26/8.48               X0)))),
% 55.26/8.48      inference('sup+', [status(thm)], [zip_derived_cl246, zip_derived_cl15134])).
% 55.26/8.48  thf(zip_derived_cl246, plain,
% 55.26/8.48      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i]:
% 55.26/8.48         ((inverse @ 
% 55.26/8.48           (multiply @ 
% 55.26/8.48            (multiply @ 
% 55.26/8.48             (inverse @ 
% 55.26/8.48              (multiply @ (inverse @ X3) @ 
% 55.26/8.48               (multiply @ (inverse @ X0) @ (multiply @ X0 @ X1)))) @ 
% 55.26/8.48             X2) @ 
% 55.26/8.48            (inverse @ (multiply @ X3 @ X2))))
% 55.26/8.48           = (X1))),
% 55.26/8.48      inference('demod', [status(thm)],
% 55.26/8.48                [zip_derived_cl235, zip_derived_cl3, zip_derived_cl0])).
% 55.26/8.48  thf(zip_derived_cl15390, plain,
% 55.26/8.48      (![X0 : $i, X4 : $i]:
% 55.26/8.48         ((X4) = (inverse @ (multiply @ (inverse @ (multiply @ X0 @ X4)) @ X0)))),
% 55.26/8.48      inference('demod', [status(thm)],
% 55.26/8.48                [zip_derived_cl15298, zip_derived_cl246])).
% 55.26/8.48  thf(zip_derived_cl9557, plain,
% 55.26/8.48      (![X0 : $i, X1 : $i]:
% 55.26/8.48         ((multiply @ (inverse @ X1) @ (multiply @ X1 @ X0))
% 55.26/8.48           = (inverse @ (inverse @ X0)))),
% 55.26/8.48      inference('sup+', [status(thm)], [zip_derived_cl9075, zip_derived_cl6514])).
% 55.26/8.48  thf(zip_derived_cl6513, plain,
% 55.26/8.48      (![X0 : $i, X1 : $i, X3 : $i]:
% 55.26/8.48         ((multiply @ (inverse @ X3) @ 
% 55.26/8.48           (multiply @ X3 @ 
% 55.26/8.48            (multiply @ X1 @ (inverse @ (multiply @ X0 @ (inverse @ X0))))))
% 55.26/8.48           = (X1))),
% 55.26/8.48      inference('sup+', [status(thm)], [zip_derived_cl6456, zip_derived_cl884])).
% 55.26/8.48  thf(zip_derived_cl10139, plain,
% 55.26/8.48      (![X0 : $i, X1 : $i]:
% 55.26/8.48         ((inverse @ 
% 55.26/8.48           (inverse @ 
% 55.26/8.48            (multiply @ X1 @ (inverse @ (multiply @ X0 @ (inverse @ X0))))))
% 55.26/8.48           = (X1))),
% 55.26/8.48      inference('sup+', [status(thm)], [zip_derived_cl9557, zip_derived_cl6513])).
% 55.26/8.48  thf(zip_derived_cl15626, plain,
% 55.26/8.48      (![X0 : $i, X1 : $i]:
% 55.26/8.48         ((inverse @ X0)
% 55.26/8.48           = (inverse @ 
% 55.26/8.48              (multiply @ (inverse @ (multiply @ X1 @ (inverse @ X1))) @ X0)))),
% 55.26/8.48      inference('sup+', [status(thm)],
% 55.26/8.48                [zip_derived_cl15390, zip_derived_cl10139])).
% 55.26/8.48  thf(zip_derived_cl884, plain,
% 55.26/8.48      (![X0 : $i, X1 : $i, X2 : $i, X5 : $i]:
% 55.26/8.48         ((multiply @ (inverse @ X5) @ 
% 55.26/8.48           (multiply @ X5 @ 
% 55.26/8.48            (multiply @ X1 @ 
% 55.26/8.48             (inverse @ 
% 55.26/8.48              (multiply @ (multiply @ (inverse @ X2) @ X0) @ 
% 55.26/8.48               (inverse @ (multiply @ (inverse @ X1) @ X0)))))))
% 55.26/8.48           = (X2))),
% 55.26/8.48      inference('sup+', [status(thm)], [zip_derived_cl153, zip_derived_cl64])).
% 55.26/8.48  thf(zip_derived_cl16626, plain,
% 55.26/8.48      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i]:
% 55.26/8.48         ((multiply @ (inverse @ X4) @ 
% 55.26/8.48           (multiply @ X4 @ 
% 55.26/8.48            (multiply @ X3 @ 
% 55.26/8.48             (inverse @ 
% 55.26/8.48              (multiply @ (multiply @ (inverse @ X0) @ X2) @ 
% 55.26/8.48               (inverse @ (multiply @ (inverse @ X3) @ X2)))))))
% 55.26/8.48           = (multiply @ (inverse @ (multiply @ X1 @ (inverse @ X1))) @ X0))),
% 55.26/8.48      inference('sup+', [status(thm)], [zip_derived_cl15626, zip_derived_cl884])).
% 55.26/8.48  thf(zip_derived_cl884, plain,
% 55.26/8.48      (![X0 : $i, X1 : $i, X2 : $i, X5 : $i]:
% 55.26/8.48         ((multiply @ (inverse @ X5) @ 
% 55.26/8.48           (multiply @ X5 @ 
% 55.26/8.48            (multiply @ X1 @ 
% 55.26/8.48             (inverse @ 
% 55.26/8.48              (multiply @ (multiply @ (inverse @ X2) @ X0) @ 
% 55.26/8.48               (inverse @ (multiply @ (inverse @ X1) @ X0)))))))
% 55.26/8.48           = (X2))),
% 55.26/8.48      inference('sup+', [status(thm)], [zip_derived_cl153, zip_derived_cl64])).
% 55.26/8.48  thf(zip_derived_cl16899, plain,
% 55.26/8.48      (![X0 : $i, X1 : $i]:
% 55.26/8.48         ((X0) = (multiply @ (inverse @ (multiply @ X1 @ (inverse @ X1))) @ X0))),
% 55.26/8.48      inference('demod', [status(thm)],
% 55.26/8.48                [zip_derived_cl16626, zip_derived_cl884])).
% 55.26/8.48  thf(zip_derived_cl15390, plain,
% 55.26/8.48      (![X0 : $i, X4 : $i]:
% 55.26/8.48         ((X4) = (inverse @ (multiply @ (inverse @ (multiply @ X0 @ X4)) @ X0)))),
% 55.26/8.48      inference('demod', [status(thm)],
% 55.26/8.48                [zip_derived_cl15298, zip_derived_cl246])).
% 55.26/8.48  thf(zip_derived_cl15390, plain,
% 55.26/8.48      (![X0 : $i, X4 : $i]:
% 55.26/8.48         ((X4) = (inverse @ (multiply @ (inverse @ (multiply @ X0 @ X4)) @ X0)))),
% 55.26/8.48      inference('demod', [status(thm)],
% 55.26/8.48                [zip_derived_cl15298, zip_derived_cl246])).
% 55.26/8.48  thf(zip_derived_cl15623, plain,
% 55.26/8.48      (![X0 : $i, X1 : $i]:
% 55.26/8.48         ((X1) = (inverse @ (multiply @ X0 @ (inverse @ (multiply @ X1 @ X0)))))),
% 55.26/8.48      inference('sup+', [status(thm)],
% 55.26/8.48                [zip_derived_cl15390, zip_derived_cl15390])).
% 55.26/8.48  thf(zip_derived_cl15626, plain,
% 55.26/8.48      (![X0 : $i, X1 : $i]:
% 55.26/8.48         ((inverse @ X0)
% 55.26/8.48           = (inverse @ 
% 55.26/8.48              (multiply @ (inverse @ (multiply @ X1 @ (inverse @ X1))) @ X0)))),
% 55.26/8.48      inference('sup+', [status(thm)],
% 55.26/8.48                [zip_derived_cl15390, zip_derived_cl10139])).
% 55.26/8.48  thf(zip_derived_cl0, plain,
% 55.26/8.48      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i]:
% 55.26/8.48         ((multiply @ X1 @ 
% 55.26/8.48           (inverse @ 
% 55.26/8.48            (multiply @ 
% 55.26/8.48             (multiply @ 
% 55.26/8.48              (inverse @ 
% 55.26/8.48               (multiply @ (inverse @ X2) @ (multiply @ (inverse @ X1) @ X0))) @ 
% 55.26/8.48              X3) @ 
% 55.26/8.48             (inverse @ (multiply @ X2 @ X3)))))
% 55.26/8.48           = (X0))),
% 55.26/8.48      inference('cnf', [status(esa)], [single_axiom])).
% 55.26/8.48  thf(zip_derived_cl0, plain,
% 55.26/8.48      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i]:
% 55.26/8.48         ((multiply @ X1 @ 
% 55.26/8.48           (inverse @ 
% 55.26/8.48            (multiply @ 
% 55.26/8.48             (multiply @ 
% 55.26/8.48              (inverse @ 
% 55.26/8.48               (multiply @ (inverse @ X2) @ (multiply @ (inverse @ X1) @ X0))) @ 
% 55.26/8.48              X3) @ 
% 55.26/8.48             (inverse @ (multiply @ X2 @ X3)))))
% 55.26/8.48           = (X0))),
% 55.26/8.48      inference('cnf', [status(esa)], [single_axiom])).
% 55.26/8.48  thf(zip_derived_cl4, plain,
% 55.26/8.48      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i]:
% 55.26/8.48         ((multiply @ X4 @ 
% 55.26/8.48           (inverse @ 
% 55.26/8.48            (multiply @ X0 @ 
% 55.26/8.48             (inverse @ 
% 55.26/8.48              (multiply @ X5 @ 
% 55.26/8.48               (inverse @ 
% 55.26/8.48                (multiply @ 
% 55.26/8.48                 (multiply @ 
% 55.26/8.48                  (inverse @ 
% 55.26/8.48                   (multiply @ (inverse @ X3) @ 
% 55.26/8.48                    (multiply @ 
% 55.26/8.48                     (inverse @ 
% 55.26/8.48                      (inverse @ 
% 55.26/8.48                       (multiply @ (inverse @ X5) @ 
% 55.26/8.48                        (multiply @ (inverse @ X4) @ X1)))) @ 
% 55.26/8.48                     X0))) @ 
% 55.26/8.48                  X2) @ 
% 55.26/8.48                 (inverse @ (multiply @ X3 @ X2)))))))))
% 55.26/8.48           = (X1))),
% 55.26/8.48      inference('sup+', [status(thm)], [zip_derived_cl0, zip_derived_cl0])).
% 55.26/8.48  thf(zip_derived_cl16762, plain,
% 55.26/8.48      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i]:
% 55.26/8.48         ((multiply @ X4 @ 
% 55.26/8.48           (inverse @ 
% 55.26/8.48            (inverse @ 
% 55.26/8.48             (multiply @ X5 @ 
% 55.26/8.48              (inverse @ 
% 55.26/8.48               (multiply @ 
% 55.26/8.48                (multiply @ 
% 55.26/8.48                 (inverse @ 
% 55.26/8.48                  (multiply @ (inverse @ X1) @ 
% 55.26/8.48                   (multiply @ 
% 55.26/8.48                    (inverse @ 
% 55.26/8.48                     (inverse @ 
% 55.26/8.48                      (multiply @ (inverse @ X5) @ 
% 55.26/8.48                       (multiply @ (inverse @ X4) @ X3)))) @ 
% 55.26/8.48                    (inverse @ (multiply @ X2 @ (inverse @ X2)))))) @ 
% 55.26/8.48                 X0) @ 
% 55.26/8.48                (inverse @ (multiply @ X1 @ X0))))))))
% 55.26/8.48           = (X3))),
% 55.26/8.48      inference('sup+', [status(thm)], [zip_derived_cl15626, zip_derived_cl4])).
% 55.26/8.48  thf(zip_derived_cl14863, plain,
% 55.26/8.48      (![X1 : $i, X2 : $i]:
% 55.26/8.48         ((multiply @ (inverse @ (inverse @ X2)) @ 
% 55.26/8.48           (inverse @ (multiply @ X1 @ (inverse @ X1)))) = (X2))),
% 55.26/8.48      inference('demod', [status(thm)],
% 55.26/8.48                [zip_derived_cl14516, zip_derived_cl8188])).
% 55.26/8.48  thf(zip_derived_cl153, plain,
% 55.26/8.48      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i]:
% 55.26/8.48         ((multiply @ X4 @ 
% 55.26/8.48           (inverse @ 
% 55.26/8.48            (multiply @ (multiply @ (inverse @ X0) @ X3) @ 
% 55.26/8.48             (inverse @ (multiply @ (inverse @ X4) @ X3)))))
% 55.26/8.48           = (inverse @ 
% 55.26/8.48              (multiply @ 
% 55.26/8.48               (multiply @ (inverse @ (multiply @ (inverse @ X2) @ X0)) @ X1) @ 
% 55.26/8.48               (inverse @ (multiply @ X2 @ X1)))))),
% 55.26/8.48      inference('sup+', [status(thm)], [zip_derived_cl64, zip_derived_cl0])).
% 55.26/8.48  thf(zip_derived_cl879, plain,
% 55.26/8.48      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i]:
% 55.26/8.48         ((multiply @ X3 @ 
% 55.26/8.48           (multiply @ X1 @ 
% 55.26/8.48            (inverse @ 
% 55.26/8.48             (multiply @ 
% 55.26/8.48              (multiply @ (inverse @ (multiply @ (inverse @ X3) @ X2)) @ X0) @ 
% 55.26/8.48              (inverse @ (multiply @ (inverse @ X1) @ X0))))))
% 55.26/8.48           = (X2))),
% 55.26/8.48      inference('sup+', [status(thm)], [zip_derived_cl153, zip_derived_cl0])).
% 55.26/8.48  thf(zip_derived_cl16933, plain,
% 55.26/8.48      (![X3 : $i, X4 : $i]:
% 55.26/8.48         ((multiply @ X4 @ 
% 55.26/8.48           (inverse @ (inverse @ (multiply @ (inverse @ X4) @ X3)))) = (
% 55.26/8.48           X3))),
% 55.26/8.48      inference('demod', [status(thm)],
% 55.26/8.48                [zip_derived_cl16762, zip_derived_cl14863, zip_derived_cl153, 
% 55.26/8.48                 zip_derived_cl879])).
% 55.26/8.48  thf(zip_derived_cl17419, plain,
% 55.26/8.48      (![X0 : $i, X1 : $i]:
% 55.26/8.48         ((multiply @ X1 @ (inverse @ X0))
% 55.26/8.48           = (inverse @ (multiply @ X0 @ (inverse @ X1))))),
% 55.26/8.48      inference('sup+', [status(thm)],
% 55.26/8.48                [zip_derived_cl15623, zip_derived_cl16933])).
% 55.26/8.48  thf(zip_derived_cl17902, plain,
% 55.26/8.48      (![X0 : $i, X1 : $i]:
% 55.26/8.48         ((X0) = (multiply @ (multiply @ X1 @ (inverse @ X1)) @ X0))),
% 55.26/8.48      inference('demod', [status(thm)],
% 55.26/8.48                [zip_derived_cl16899, zip_derived_cl17419])).
% 55.26/8.48  thf(zip_derived_cl16933, plain,
% 55.26/8.48      (![X3 : $i, X4 : $i]:
% 55.26/8.48         ((multiply @ X4 @ 
% 55.26/8.48           (inverse @ (inverse @ (multiply @ (inverse @ X4) @ X3)))) = (
% 55.26/8.48           X3))),
% 55.26/8.48      inference('demod', [status(thm)],
% 55.26/8.48                [zip_derived_cl16762, zip_derived_cl14863, zip_derived_cl153, 
% 55.26/8.48                 zip_derived_cl879])).
% 55.26/8.48  thf(zip_derived_cl18081, plain,
% 55.26/8.48      (![X0 : $i, X1 : $i]:
% 55.26/8.48         ((inverse @ 
% 55.26/8.48           (inverse @ 
% 55.26/8.48            (multiply @ (inverse @ (multiply @ X1 @ (inverse @ X1))) @ X0)))
% 55.26/8.48           = (X0))),
% 55.26/8.48      inference('sup+', [status(thm)],
% 55.26/8.48                [zip_derived_cl17902, zip_derived_cl16933])).
% 55.26/8.48  thf(zip_derived_cl17419, plain,
% 55.26/8.48      (![X0 : $i, X1 : $i]:
% 55.26/8.48         ((multiply @ X1 @ (inverse @ X0))
% 55.26/8.48           = (inverse @ (multiply @ X0 @ (inverse @ X1))))),
% 55.26/8.48      inference('sup+', [status(thm)],
% 55.26/8.48                [zip_derived_cl15623, zip_derived_cl16933])).
% 55.26/8.48  thf(zip_derived_cl17902, plain,
% 55.26/8.48      (![X0 : $i, X1 : $i]:
% 55.26/8.48         ((X0) = (multiply @ (multiply @ X1 @ (inverse @ X1)) @ X0))),
% 55.26/8.48      inference('demod', [status(thm)],
% 55.26/8.48                [zip_derived_cl16899, zip_derived_cl17419])).
% 55.26/8.48  thf(zip_derived_cl8002, plain,
% 55.26/8.48      (![X1 : $i, X2 : $i]:
% 55.26/8.48         ((multiply @ X1 @ (inverse @ X1)) = (multiply @ X2 @ (inverse @ X2)))),
% 55.26/8.48      inference('demod', [status(thm)],
% 55.26/8.48                [zip_derived_cl7577, zip_derived_cl6865, zip_derived_cl884])).
% 55.26/8.48  thf(zip_derived_cl6514, plain,
% 55.26/8.48      (![X0 : $i, X1 : $i, X2 : $i]:
% 55.26/8.48         ((multiply @ X2 @ 
% 55.26/8.48           (multiply @ (multiply @ (inverse @ X2) @ X1) @ 
% 55.26/8.48            (inverse @ (multiply @ X0 @ (inverse @ X0)))))
% 55.26/8.48           = (X1))),
% 55.26/8.48      inference('sup+', [status(thm)], [zip_derived_cl6456, zip_derived_cl879])).
% 55.26/8.48  thf(zip_derived_cl8203, plain,
% 55.26/8.48      (![X0 : $i, X1 : $i]:
% 55.26/8.48         ((multiply @ X1 @ (multiply @ X0 @ (inverse @ X0)))
% 55.26/8.48           = (inverse @ (inverse @ X1)))),
% 55.26/8.48      inference('sup+', [status(thm)], [zip_derived_cl8002, zip_derived_cl6514])).
% 55.26/8.48  thf(zip_derived_cl18165, plain,
% 55.26/8.48      (![X0 : $i]: ((multiply @ X0 @ (multiply @ X0 @ (inverse @ X0))) = (X0))),
% 55.26/8.48      inference('demod', [status(thm)],
% 55.26/8.48                [zip_derived_cl18081, zip_derived_cl17419, 
% 55.26/8.48                 zip_derived_cl17902, zip_derived_cl8203])).
% 55.26/8.48  thf(zip_derived_cl17902, plain,
% 55.26/8.48      (![X0 : $i, X1 : $i]:
% 55.26/8.48         ((X0) = (multiply @ (multiply @ X1 @ (inverse @ X1)) @ X0))),
% 55.26/8.48      inference('demod', [status(thm)],
% 55.26/8.48                [zip_derived_cl16899, zip_derived_cl17419])).
% 55.26/8.48  thf(zip_derived_cl281, plain,
% 55.26/8.48      (![X0 : $i, X1 : $i, X2 : $i]:
% 55.26/8.48         ((multiply @ (inverse @ X2) @ (multiply @ X2 @ X0))
% 55.26/8.48           = (multiply @ (inverse @ X1) @ (multiply @ X1 @ X0)))),
% 55.26/8.48      inference('sup+', [status(thm)], [zip_derived_cl215, zip_derived_cl215])).
% 55.26/8.48  thf(zip_derived_cl18031, plain,
% 55.26/8.48      (![X0 : $i, X1 : $i, X2 : $i]:
% 55.26/8.48         ((multiply @ (inverse @ X2) @ (multiply @ X2 @ X0))
% 55.26/8.48           = (multiply @ (inverse @ (multiply @ X1 @ (inverse @ X1))) @ X0))),
% 55.26/8.48      inference('sup+', [status(thm)], [zip_derived_cl17902, zip_derived_cl281])).
% 55.26/8.48  thf(zip_derived_cl17419, plain,
% 55.26/8.48      (![X0 : $i, X1 : $i]:
% 55.26/8.48         ((multiply @ X1 @ (inverse @ X0))
% 55.26/8.48           = (inverse @ (multiply @ X0 @ (inverse @ X1))))),
% 55.26/8.48      inference('sup+', [status(thm)],
% 55.26/8.48                [zip_derived_cl15623, zip_derived_cl16933])).
% 55.26/8.48  thf(zip_derived_cl17902, plain,
% 55.26/8.48      (![X0 : $i, X1 : $i]:
% 55.26/8.48         ((X0) = (multiply @ (multiply @ X1 @ (inverse @ X1)) @ X0))),
% 55.26/8.48      inference('demod', [status(thm)],
% 55.26/8.48                [zip_derived_cl16899, zip_derived_cl17419])).
% 55.26/8.48  thf(zip_derived_cl18122, plain,
% 55.26/8.48      (![X0 : $i, X2 : $i]:
% 55.26/8.48         ((multiply @ (inverse @ X2) @ (multiply @ X2 @ X0)) = (X0))),
% 55.26/8.48      inference('demod', [status(thm)],
% 55.26/8.48                [zip_derived_cl18031, zip_derived_cl17419, zip_derived_cl17902])).
% 55.26/8.48  thf(zip_derived_cl18340, plain,
% 55.26/8.48      (![X0 : $i]:
% 55.26/8.48         ((multiply @ (inverse @ X0) @ X0) = (multiply @ X0 @ (inverse @ X0)))),
% 55.26/8.48      inference('sup+', [status(thm)],
% 55.26/8.48                [zip_derived_cl18165, zip_derived_cl18122])).
% 55.26/8.48  thf(zip_derived_cl17902, plain,
% 55.26/8.48      (![X0 : $i, X1 : $i]:
% 55.26/8.48         ((X0) = (multiply @ (multiply @ X1 @ (inverse @ X1)) @ X0))),
% 55.26/8.48      inference('demod', [status(thm)],
% 55.26/8.48                [zip_derived_cl16899, zip_derived_cl17419])).
% 55.26/8.48  thf(zip_derived_cl18340, plain,
% 55.26/8.48      (![X0 : $i]:
% 55.26/8.48         ((multiply @ (inverse @ X0) @ X0) = (multiply @ X0 @ (inverse @ X0)))),
% 55.26/8.48      inference('sup+', [status(thm)],
% 55.26/8.48                [zip_derived_cl18165, zip_derived_cl18122])).
% 55.26/8.48  thf(zip_derived_cl18340, plain,
% 55.26/8.48      (![X0 : $i]:
% 55.26/8.48         ((multiply @ (inverse @ X0) @ X0) = (multiply @ X0 @ (inverse @ X0)))),
% 55.26/8.48      inference('sup+', [status(thm)],
% 55.26/8.48                [zip_derived_cl18165, zip_derived_cl18122])).
% 55.26/8.48  thf(zip_derived_cl18373, plain,
% 55.26/8.48      ((((multiply @ (multiply @ a3 @ b3) @ c3)
% 55.26/8.48          != (multiply @ a3 @ (multiply @ b3 @ c3)))
% 55.26/8.48        | ((a2) != (a2))
% 55.26/8.48        | ((multiply @ a1 @ (inverse @ a1)) != (multiply @ b1 @ (inverse @ b1))))),
% 55.26/8.48      inference('demod', [status(thm)],
% 55.26/8.48                [zip_derived_cl1, zip_derived_cl18340, zip_derived_cl17902, 
% 55.26/8.48                 zip_derived_cl18340, zip_derived_cl18340])).
% 55.26/8.48  thf(zip_derived_cl18374, plain,
% 55.26/8.48      ((((multiply @ a1 @ (inverse @ a1)) != (multiply @ b1 @ (inverse @ b1)))
% 55.26/8.48        | ((multiply @ (multiply @ a3 @ b3) @ c3)
% 55.26/8.48            != (multiply @ a3 @ (multiply @ b3 @ c3))))),
% 55.26/8.48      inference('simplify', [status(thm)], [zip_derived_cl18373])).
% 55.26/8.48  thf(zip_derived_cl8002, plain,
% 55.26/8.48      (![X1 : $i, X2 : $i]:
% 55.26/8.48         ((multiply @ X1 @ (inverse @ X1)) = (multiply @ X2 @ (inverse @ X2)))),
% 55.26/8.48      inference('demod', [status(thm)],
% 55.26/8.48                [zip_derived_cl7577, zip_derived_cl6865, zip_derived_cl884])).
% 55.26/8.48  thf(zip_derived_cl18375, plain,
% 55.26/8.48      (((multiply @ (multiply @ a3 @ b3) @ c3)
% 55.26/8.48         != (multiply @ a3 @ (multiply @ b3 @ c3)))),
% 55.26/8.48      inference('simplify_reflect+', [status(thm)],
% 55.26/8.48                [zip_derived_cl18374, zip_derived_cl8002])).
% 55.26/8.48  thf(zip_derived_cl17902, plain,
% 55.26/8.48      (![X0 : $i, X1 : $i]:
% 55.26/8.48         ((X0) = (multiply @ (multiply @ X1 @ (inverse @ X1)) @ X0))),
% 55.26/8.48      inference('demod', [status(thm)],
% 55.26/8.48                [zip_derived_cl16899, zip_derived_cl17419])).
% 55.26/8.48  thf(zip_derived_cl15390, plain,
% 55.26/8.48      (![X0 : $i, X4 : $i]:
% 55.26/8.48         ((X4) = (inverse @ (multiply @ (inverse @ (multiply @ X0 @ X4)) @ X0)))),
% 55.26/8.48      inference('demod', [status(thm)],
% 55.26/8.48                [zip_derived_cl15298, zip_derived_cl246])).
% 55.26/8.48  thf(zip_derived_cl16933, plain,
% 55.26/8.48      (![X3 : $i, X4 : $i]:
% 55.26/8.48         ((multiply @ X4 @ 
% 55.26/8.48           (inverse @ (inverse @ (multiply @ (inverse @ X4) @ X3)))) = (
% 55.26/8.48           X3))),
% 55.26/8.48      inference('demod', [status(thm)],
% 55.26/8.48                [zip_derived_cl16762, zip_derived_cl14863, zip_derived_cl153, 
% 55.26/8.48                 zip_derived_cl879])).
% 55.26/8.48  thf(zip_derived_cl17420, plain,
% 55.26/8.48      (![X0 : $i, X1 : $i]:
% 55.26/8.48         ((multiply @ (multiply @ X1 @ X0) @ (inverse @ X0)) = (X1))),
% 55.26/8.48      inference('sup+', [status(thm)],
% 55.26/8.48                [zip_derived_cl15390, zip_derived_cl16933])).
% 55.26/8.48  thf(zip_derived_cl18086, plain,
% 55.26/8.48      (![X0 : $i]: ((inverse @ (inverse @ X0)) = (X0))),
% 55.26/8.48      inference('sup+', [status(thm)],
% 55.26/8.48                [zip_derived_cl17902, zip_derived_cl17420])).
% 55.26/8.48  thf(zip_derived_cl17420, plain,
% 55.26/8.48      (![X0 : $i, X1 : $i]:
% 55.26/8.48         ((multiply @ (multiply @ X1 @ X0) @ (inverse @ X0)) = (X1))),
% 55.26/8.48      inference('sup+', [status(thm)],
% 55.26/8.48                [zip_derived_cl15390, zip_derived_cl16933])).
% 55.26/8.48  thf(zip_derived_cl246, plain,
% 55.26/8.48      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i]:
% 55.26/8.48         ((inverse @ 
% 55.26/8.48           (multiply @ 
% 55.26/8.48            (multiply @ 
% 55.26/8.48             (inverse @ 
% 55.26/8.48              (multiply @ (inverse @ X3) @ 
% 55.26/8.48               (multiply @ (inverse @ X0) @ (multiply @ X0 @ X1)))) @ 
% 55.26/8.48             X2) @ 
% 55.26/8.48            (inverse @ (multiply @ X3 @ X2))))
% 55.26/8.48           = (X1))),
% 55.26/8.48      inference('demod', [status(thm)],
% 55.26/8.48                [zip_derived_cl235, zip_derived_cl3, zip_derived_cl0])).
% 55.26/8.48  thf(zip_derived_cl246, plain,
% 55.26/8.48      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i]:
% 55.26/8.48         ((inverse @ 
% 55.26/8.48           (multiply @ 
% 55.26/8.48            (multiply @ 
% 55.26/8.48             (inverse @ 
% 55.26/8.48              (multiply @ (inverse @ X3) @ 
% 55.26/8.48               (multiply @ (inverse @ X0) @ (multiply @ X0 @ X1)))) @ 
% 55.26/8.48             X2) @ 
% 55.26/8.48            (inverse @ (multiply @ X3 @ X2))))
% 55.26/8.48           = (X1))),
% 55.26/8.48      inference('demod', [status(thm)],
% 55.26/8.48                [zip_derived_cl235, zip_derived_cl3, zip_derived_cl0])).
% 55.26/8.48  thf(zip_derived_cl153, plain,
% 55.26/8.48      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i]:
% 55.26/8.48         ((multiply @ X4 @ 
% 55.26/8.48           (inverse @ 
% 55.26/8.48            (multiply @ (multiply @ (inverse @ X0) @ X3) @ 
% 55.26/8.48             (inverse @ (multiply @ (inverse @ X4) @ X3)))))
% 55.26/8.48           = (inverse @ 
% 55.26/8.48              (multiply @ 
% 55.26/8.48               (multiply @ (inverse @ (multiply @ (inverse @ X2) @ X0)) @ X1) @ 
% 55.26/8.48               (inverse @ (multiply @ X2 @ X1)))))),
% 55.26/8.48      inference('sup+', [status(thm)], [zip_derived_cl64, zip_derived_cl0])).
% 55.26/8.48  thf(zip_derived_cl577, plain,
% 55.26/8.48      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i]:
% 55.26/8.48         ((X0)
% 55.26/8.48           = (inverse @ 
% 55.26/8.48              (multiply @ 
% 55.26/8.48               (multiply @ 
% 55.26/8.48                (inverse @ 
% 55.26/8.48                 (multiply @ (inverse @ X2) @ 
% 55.26/8.48                  (multiply @ X2 @ (multiply @ X1 @ X0)))) @ 
% 55.26/8.48                X3) @ 
% 55.26/8.48               (inverse @ (multiply @ (inverse @ X1) @ X3)))))),
% 55.26/8.48      inference('demod', [status(thm)], [zip_derived_cl479, zip_derived_cl0])).
% 55.26/8.48  thf(zip_derived_cl899, plain,
% 55.26/8.48      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i]:
% 55.26/8.48         ((inverse @ 
% 55.26/8.48           (multiply @ (multiply @ (inverse @ X2) @ X5) @ 
% 55.26/8.48            (inverse @ (multiply @ (inverse @ X4) @ X5))))
% 55.26/8.48           = (inverse @ 
% 55.26/8.48              (multiply @ 
% 55.26/8.48               (multiply @ 
% 55.26/8.48                (inverse @ 
% 55.26/8.48                 (multiply @ (inverse @ X6) @ 
% 55.26/8.48                  (multiply @ X6 @ 
% 55.26/8.48                   (inverse @ 
% 55.26/8.48                    (multiply @ 
% 55.26/8.48                     (multiply @ 
% 55.26/8.48                      (inverse @ (multiply @ (inverse @ X1) @ X2)) @ X0) @ 
% 55.26/8.48                     (inverse @ (multiply @ X1 @ X0))))))) @ 
% 55.26/8.48                X3) @ 
% 55.26/8.48               (inverse @ (multiply @ (inverse @ X4) @ X3)))))),
% 55.26/8.48      inference('sup+', [status(thm)], [zip_derived_cl153, zip_derived_cl577])).
% 55.26/8.48  thf(zip_derived_cl64, plain,
% 55.26/8.48      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i]:
% 55.26/8.48         ((multiply @ (inverse @ X3) @ 
% 55.26/8.48           (multiply @ X3 @ 
% 55.26/8.48            (inverse @ 
% 55.26/8.48             (multiply @ 
% 55.26/8.48              (multiply @ (inverse @ (multiply @ (inverse @ X1) @ X2)) @ X0) @ 
% 55.26/8.48              (inverse @ (multiply @ X1 @ X0))))))
% 55.26/8.48           = (X2))),
% 55.26/8.48      inference('sup+', [status(thm)], [zip_derived_cl3, zip_derived_cl0])).
% 55.26/8.48  thf(zip_derived_cl1022, plain,
% 55.26/8.48      (![X2 : $i, X3 : $i, X4 : $i, X5 : $i]:
% 55.26/8.48         ((inverse @ 
% 55.26/8.48           (multiply @ (multiply @ (inverse @ X2) @ X5) @ 
% 55.26/8.48            (inverse @ (multiply @ (inverse @ X4) @ X5))))
% 55.26/8.48           = (inverse @ 
% 55.26/8.48              (multiply @ (multiply @ (inverse @ X2) @ X3) @ 
% 55.26/8.48               (inverse @ (multiply @ (inverse @ X4) @ X3)))))),
% 55.26/8.48      inference('demod', [status(thm)], [zip_derived_cl899, zip_derived_cl64])).
% 55.26/8.48  thf(zip_derived_cl1149, plain,
% 55.26/8.48      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i]:
% 55.26/8.48         ((inverse @ 
% 55.26/8.48           (multiply @ (multiply @ (inverse @ X5) @ X6) @ 
% 55.26/8.48            (inverse @ (multiply @ X0 @ X6))))
% 55.26/8.48           = (inverse @ 
% 55.26/8.48              (multiply @ (multiply @ (inverse @ X5) @ X1) @ 
% 55.26/8.48               (inverse @ 
% 55.26/8.48                (multiply @ 
% 55.26/8.48                 (inverse @ 
% 55.26/8.48                  (multiply @ 
% 55.26/8.48                   (multiply @ 
% 55.26/8.48                    (inverse @ 
% 55.26/8.48                     (multiply @ (inverse @ X3) @ 
% 55.26/8.48                      (multiply @ (inverse @ X4) @ (multiply @ X4 @ X0)))) @ 
% 55.26/8.48                    X2) @ 
% 55.26/8.48                   (inverse @ (multiply @ X3 @ X2)))) @ 
% 55.26/8.48                 X1)))))),
% 55.26/8.48      inference('sup+', [status(thm)], [zip_derived_cl246, zip_derived_cl1022])).
% 55.26/8.48  thf(zip_derived_cl246, plain,
% 55.26/8.48      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i]:
% 55.26/8.48         ((inverse @ 
% 55.26/8.48           (multiply @ 
% 55.26/8.48            (multiply @ 
% 55.26/8.48             (inverse @ 
% 55.26/8.48              (multiply @ (inverse @ X3) @ 
% 55.26/8.48               (multiply @ (inverse @ X0) @ (multiply @ X0 @ X1)))) @ 
% 55.26/8.48             X2) @ 
% 55.26/8.48            (inverse @ (multiply @ X3 @ X2))))
% 55.26/8.48           = (X1))),
% 55.26/8.48      inference('demod', [status(thm)],
% 55.26/8.48                [zip_derived_cl235, zip_derived_cl3, zip_derived_cl0])).
% 55.26/8.48  thf(zip_derived_cl1208, plain,
% 55.26/8.48      (![X0 : $i, X1 : $i, X5 : $i, X6 : $i]:
% 55.26/8.48         ((inverse @ 
% 55.26/8.48           (multiply @ (multiply @ (inverse @ X5) @ X6) @ 
% 55.26/8.48            (inverse @ (multiply @ X0 @ X6))))
% 55.26/8.48           = (inverse @ 
% 55.26/8.48              (multiply @ (multiply @ (inverse @ X5) @ X1) @ 
% 55.26/8.48               (inverse @ (multiply @ X0 @ X1)))))),
% 55.26/8.48      inference('demod', [status(thm)], [zip_derived_cl1149, zip_derived_cl246])).
% 55.26/8.48  thf(zip_derived_cl1370, plain,
% 55.26/8.48      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i]:
% 55.26/8.48         ((inverse @ 
% 55.26/8.48           (multiply @ (multiply @ X0 @ X6) @ (inverse @ (multiply @ X2 @ X6))))
% 55.26/8.48           = (inverse @ 
% 55.26/8.48              (multiply @ 
% 55.26/8.48               (multiply @ 
% 55.26/8.48                (inverse @ 
% 55.26/8.48                 (multiply @ 
% 55.26/8.48                  (multiply @ 
% 55.26/8.48                   (inverse @ 
% 55.26/8.48                    (multiply @ (inverse @ X4) @ 
% 55.26/8.48                     (multiply @ (inverse @ X5) @ (multiply @ X5 @ X0)))) @ 
% 55.26/8.48                   X3) @ 
% 55.26/8.48                  (inverse @ (multiply @ X4 @ X3)))) @ 
% 55.26/8.48                X1) @ 
% 55.26/8.48               (inverse @ (multiply @ X2 @ X1)))))),
% 55.26/8.48      inference('sup+', [status(thm)], [zip_derived_cl246, zip_derived_cl1208])).
% 55.26/8.48  thf(zip_derived_cl246, plain,
% 55.26/8.48      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i]:
% 55.26/8.48         ((inverse @ 
% 55.26/8.48           (multiply @ 
% 55.26/8.48            (multiply @ 
% 55.26/8.48             (inverse @ 
% 55.26/8.48              (multiply @ (inverse @ X3) @ 
% 55.26/8.48               (multiply @ (inverse @ X0) @ (multiply @ X0 @ X1)))) @ 
% 55.26/8.48             X2) @ 
% 55.26/8.48            (inverse @ (multiply @ X3 @ X2))))
% 55.26/8.48           = (X1))),
% 55.26/8.48      inference('demod', [status(thm)],
% 55.26/8.48                [zip_derived_cl235, zip_derived_cl3, zip_derived_cl0])).
% 55.26/8.48  thf(zip_derived_cl1415, plain,
% 55.26/8.48      (![X0 : $i, X1 : $i, X2 : $i, X6 : $i]:
% 55.26/8.48         ((inverse @ 
% 55.26/8.48           (multiply @ (multiply @ X0 @ X6) @ (inverse @ (multiply @ X2 @ X6))))
% 55.26/8.48           = (inverse @ 
% 55.26/8.48              (multiply @ (multiply @ X0 @ X1) @ 
% 55.26/8.48               (inverse @ (multiply @ X2 @ X1)))))),
% 55.26/8.48      inference('demod', [status(thm)], [zip_derived_cl1370, zip_derived_cl246])).
% 55.26/8.48  thf(zip_derived_cl10139, plain,
% 55.26/8.48      (![X0 : $i, X1 : $i]:
% 55.26/8.48         ((inverse @ 
% 55.26/8.48           (inverse @ 
% 55.26/8.48            (multiply @ X1 @ (inverse @ (multiply @ X0 @ (inverse @ X0))))))
% 55.26/8.48           = (X1))),
% 55.26/8.48      inference('sup+', [status(thm)], [zip_derived_cl9557, zip_derived_cl6513])).
% 55.26/8.48  thf(zip_derived_cl10451, plain,
% 55.26/8.48      (![X0 : $i, X1 : $i, X2 : $i]:
% 55.26/8.48         ((inverse @ 
% 55.26/8.48           (inverse @ 
% 55.26/8.48            (multiply @ (multiply @ X2 @ X0) @ (inverse @ (multiply @ X1 @ X0)))))
% 55.26/8.48           = (multiply @ X2 @ (inverse @ X1)))),
% 55.26/8.48      inference('sup+', [status(thm)],
% 55.26/8.48                [zip_derived_cl1415, zip_derived_cl10139])).
% 55.26/8.48  thf(zip_derived_cl17419, plain,
% 55.26/8.48      (![X0 : $i, X1 : $i]:
% 55.26/8.48         ((multiply @ X1 @ (inverse @ X0))
% 55.26/8.48           = (inverse @ (multiply @ X0 @ (inverse @ X1))))),
% 55.26/8.48      inference('sup+', [status(thm)],
% 55.26/8.48                [zip_derived_cl15623, zip_derived_cl16933])).
% 55.26/8.48  thf(zip_derived_cl17419, plain,
% 55.26/8.48      (![X0 : $i, X1 : $i]:
% 55.26/8.48         ((multiply @ X1 @ (inverse @ X0))
% 55.26/8.48           = (inverse @ (multiply @ X0 @ (inverse @ X1))))),
% 55.26/8.48      inference('sup+', [status(thm)],
% 55.26/8.48                [zip_derived_cl15623, zip_derived_cl16933])).
% 55.26/8.48  thf(zip_derived_cl17898, plain,
% 55.26/8.48      (![X0 : $i, X1 : $i, X2 : $i]:
% 55.26/8.48         ((multiply @ (multiply @ X2 @ X0) @ (inverse @ (multiply @ X1 @ X0)))
% 55.26/8.48           = (multiply @ X2 @ (inverse @ X1)))),
% 55.26/8.48      inference('demod', [status(thm)],
% 55.26/8.48                [zip_derived_cl10451, zip_derived_cl17419, zip_derived_cl17419])).
% 55.26/8.48  thf(zip_derived_cl18086, plain,
% 55.26/8.48      (![X0 : $i]: ((inverse @ (inverse @ X0)) = (X0))),
% 55.26/8.48      inference('sup+', [status(thm)],
% 55.26/8.48                [zip_derived_cl17902, zip_derived_cl17420])).
% 55.26/8.48  thf(zip_derived_cl17419, plain,
% 55.26/8.48      (![X0 : $i, X1 : $i]:
% 55.26/8.48         ((multiply @ X1 @ (inverse @ X0))
% 55.26/8.48           = (inverse @ (multiply @ X0 @ (inverse @ X1))))),
% 55.26/8.48      inference('sup+', [status(thm)],
% 55.26/8.48                [zip_derived_cl15623, zip_derived_cl16933])).
% 55.26/8.48  thf(zip_derived_cl18199, plain,
% 55.26/8.48      (![X0 : $i, X1 : $i]:
% 55.26/8.48         ((multiply @ (inverse @ X0) @ (inverse @ X1))
% 55.26/8.48           = (inverse @ (multiply @ X1 @ X0)))),
% 55.26/8.48      inference('sup+', [status(thm)],
% 55.26/8.48                [zip_derived_cl18086, zip_derived_cl17419])).
% 55.26/8.48  thf(zip_derived_cl19420, plain,
% 55.26/8.48      (![X0 : $i, X1 : $i, X2 : $i]:
% 55.26/8.48         ((multiply @ (multiply @ X2 @ X0) @ 
% 55.26/8.48           (multiply @ (inverse @ X0) @ (inverse @ X1)))
% 55.26/8.48           = (multiply @ X2 @ (inverse @ X1)))),
% 55.26/8.48      inference('demod', [status(thm)],
% 55.26/8.48                [zip_derived_cl17898, zip_derived_cl18199])).
% 55.26/8.48  thf(zip_derived_cl19467, plain,
% 55.26/8.48      (![X0 : $i, X1 : $i, X2 : $i]:
% 55.26/8.48         ((multiply @ X0 @ 
% 55.26/8.48           (multiply @ (inverse @ (inverse @ X2)) @ (inverse @ X1)))
% 55.26/8.48           = (multiply @ (multiply @ X0 @ X2) @ (inverse @ X1)))),
% 55.26/8.48      inference('sup+', [status(thm)],
% 55.26/8.48                [zip_derived_cl17420, zip_derived_cl19420])).
% 55.26/8.48  thf(zip_derived_cl18086, plain,
% 55.26/8.48      (![X0 : $i]: ((inverse @ (inverse @ X0)) = (X0))),
% 55.26/8.48      inference('sup+', [status(thm)],
% 55.26/8.48                [zip_derived_cl17902, zip_derived_cl17420])).
% 55.26/8.48  thf(zip_derived_cl19505, plain,
% 55.26/8.48      (![X0 : $i, X1 : $i, X2 : $i]:
% 55.26/8.48         ((multiply @ X0 @ (multiply @ X2 @ (inverse @ X1)))
% 55.26/8.48           = (multiply @ (multiply @ X0 @ X2) @ (inverse @ X1)))),
% 55.26/8.48      inference('demod', [status(thm)],
% 55.26/8.48                [zip_derived_cl19467, zip_derived_cl18086])).
% 55.26/8.48  thf(zip_derived_cl19543, plain,
% 55.26/8.48      (![X0 : $i, X1 : $i, X2 : $i]:
% 55.26/8.48         ((multiply @ X2 @ (multiply @ X1 @ (inverse @ (inverse @ X0))))
% 55.26/8.48           = (multiply @ (multiply @ X2 @ X1) @ X0))),
% 55.26/8.48      inference('sup+', [status(thm)],
% 55.26/8.48                [zip_derived_cl18086, zip_derived_cl19505])).
% 55.26/8.48  thf(zip_derived_cl18086, plain,
% 55.26/8.48      (![X0 : $i]: ((inverse @ (inverse @ X0)) = (X0))),
% 55.26/8.48      inference('sup+', [status(thm)],
% 55.26/8.48                [zip_derived_cl17902, zip_derived_cl17420])).
% 55.26/8.48  thf(zip_derived_cl19572, plain,
% 55.26/8.48      (![X0 : $i, X1 : $i, X2 : $i]:
% 55.26/8.48         ((multiply @ X2 @ (multiply @ X1 @ X0))
% 55.26/8.48           = (multiply @ (multiply @ X2 @ X1) @ X0))),
% 55.26/8.48      inference('demod', [status(thm)],
% 55.26/8.48                [zip_derived_cl19543, zip_derived_cl18086])).
% 55.26/8.48  thf(zip_derived_cl19603, plain,
% 55.26/8.48      (((multiply @ a3 @ (multiply @ b3 @ c3))
% 55.26/8.48         != (multiply @ a3 @ (multiply @ b3 @ c3)))),
% 55.26/8.48      inference('demod', [status(thm)],
% 55.26/8.48                [zip_derived_cl18375, zip_derived_cl19572])).
% 55.26/8.48  thf(zip_derived_cl19604, plain, ($false),
% 55.26/8.48      inference('simplify', [status(thm)], [zip_derived_cl19603])).
% 55.26/8.48  
% 55.26/8.48  % SZS output end Refutation
% 55.26/8.48  
% 55.26/8.48  
% 55.26/8.48  % Terminating...
% 55.63/8.58  % Runner terminated.
% 55.63/8.59  % Zipperpin 1.5 exiting
%------------------------------------------------------------------------------