TSTP Solution File: GRP076-1 by Zipperpin---2.1.9999

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Zipperpin---2.1.9999
% Problem  : GRP076-1 : TPTP v8.1.2. Bugfixed v2.3.0.
% Transfm  : NO INFORMATION
% Format   : NO INFORMATION
% Command  : python3 /export/starexec/sandbox2/solver/bin/portfolio.lams.parallel.py %s %d /export/starexec/sandbox2/tmp/tmp.iQ62IJJH4G true

% Computer : n029.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 01:49:49 EDT 2023

% Result   : Unsatisfiable 3.52s 1.14s
% Output   : Refutation 3.52s
% Verified : 
% SZS Type : -

% Comments : 
%------------------------------------------------------------------------------
%----WARNING: Could not form TPTP format derivation
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.12  % Problem  : GRP076-1 : TPTP v8.1.2. Bugfixed v2.3.0.
% 0.12/0.13  % Command  : python3 /export/starexec/sandbox2/solver/bin/portfolio.lams.parallel.py %s %d /export/starexec/sandbox2/tmp/tmp.iQ62IJJH4G true
% 0.13/0.34  % Computer : n029.cluster.edu
% 0.13/0.34  % Model    : x86_64 x86_64
% 0.13/0.34  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.13/0.34  % Memory   : 8042.1875MB
% 0.13/0.34  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.13/0.34  % CPULimit : 300
% 0.13/0.34  % WCLimit  : 300
% 0.13/0.34  % DateTime : Tue Aug 29 00:26:11 EDT 2023
% 0.13/0.34  % CPUTime  : 
% 0.13/0.34  % Running portfolio for 300 s
% 0.13/0.34  % File         : /export/starexec/sandbox2/benchmark/theBenchmark.p
% 0.13/0.34  % Number of cores: 8
% 0.13/0.34  % Python version: Python 3.6.8
% 0.13/0.35  % Running in FO mode
% 0.54/0.65  % Total configuration time : 435
% 0.54/0.65  % Estimated wc time : 1092
% 0.54/0.65  % Estimated cpu time (7 cpus) : 156.0
% 0.54/0.70  % /export/starexec/sandbox2/solver/bin/fo/fo6_bce.sh running for 75s
% 0.54/0.72  % /export/starexec/sandbox2/solver/bin/fo/fo3_bce.sh running for 75s
% 0.54/0.73  % /export/starexec/sandbox2/solver/bin/fo/fo1_av.sh running for 75s
% 0.54/0.75  % /export/starexec/sandbox2/solver/bin/fo/fo13.sh running for 50s
% 0.54/0.75  % /export/starexec/sandbox2/solver/bin/fo/fo7.sh running for 63s
% 0.54/0.75  % /export/starexec/sandbox2/solver/bin/fo/fo5.sh running for 50s
% 0.54/0.76  % /export/starexec/sandbox2/solver/bin/fo/fo4.sh running for 50s
% 3.52/1.14  % Solved by fo/fo5.sh.
% 3.52/1.14  % done 590 iterations in 0.354s
% 3.52/1.14  % SZS status Theorem for '/export/starexec/sandbox2/benchmark/theBenchmark.p'
% 3.52/1.14  % SZS output start Refutation
% 3.52/1.14  thf(a3_type, type, a3: $i).
% 3.52/1.14  thf(identity_type, type, identity: $i).
% 3.52/1.14  thf(multiply_type, type, multiply: $i > $i > $i).
% 3.52/1.14  thf(c3_type, type, c3: $i).
% 3.52/1.14  thf(a2_type, type, a2: $i).
% 3.52/1.14  thf(a1_type, type, a1: $i).
% 3.52/1.14  thf(double_divide_type, type, double_divide: $i > $i > $i).
% 3.52/1.14  thf(inverse_type, type, inverse: $i > $i).
% 3.52/1.14  thf(b3_type, type, b3: $i).
% 3.52/1.14  thf(prove_these_axioms, conjecture,
% 3.52/1.14    (~( ( ( multiply @ ( multiply @ a3 @ b3 ) @ c3 ) !=
% 3.52/1.14          ( multiply @ a3 @ ( multiply @ b3 @ c3 ) ) ) | 
% 3.52/1.14        ( ( multiply @ identity @ a2 ) != ( a2 ) ) | 
% 3.52/1.14        ( ( multiply @ ( inverse @ a1 ) @ a1 ) != ( identity ) ) ))).
% 3.52/1.14  thf(zf_stmt_0, negated_conjecture,
% 3.52/1.14    (( ( multiply @ ( multiply @ a3 @ b3 ) @ c3 ) !=
% 3.52/1.14       ( multiply @ a3 @ ( multiply @ b3 @ c3 ) ) ) | 
% 3.52/1.14     ( ( multiply @ identity @ a2 ) != ( a2 ) ) | 
% 3.52/1.14     ( ( multiply @ ( inverse @ a1 ) @ a1 ) != ( identity ) )),
% 3.52/1.14    inference('cnf.neg', [status(esa)], [prove_these_axioms])).
% 3.52/1.14  thf(zip_derived_cl4, plain,
% 3.52/1.14      ((((multiply @ (multiply @ a3 @ b3) @ c3)
% 3.52/1.14          != (multiply @ a3 @ (multiply @ b3 @ c3)))
% 3.52/1.14        | ((multiply @ identity @ a2) != (a2))
% 3.52/1.14        | ((multiply @ (inverse @ a1) @ a1) != (identity)))),
% 3.52/1.14      inference('cnf', [status(esa)], [zf_stmt_0])).
% 3.52/1.14  thf(inverse, axiom, (( inverse @ X ) = ( double_divide @ X @ identity ))).
% 3.52/1.14  thf(zip_derived_cl2, plain,
% 3.52/1.14      (![X0 : $i]: ((inverse @ X0) = (double_divide @ X0 @ identity))),
% 3.52/1.14      inference('cnf', [status(esa)], [inverse])).
% 3.52/1.14  thf(multiply, axiom,
% 3.52/1.14    (( multiply @ X @ Y ) =
% 3.52/1.14     ( double_divide @ ( double_divide @ Y @ X ) @ identity ))).
% 3.52/1.14  thf(zip_derived_cl1, plain,
% 3.52/1.14      (![X0 : $i, X1 : $i]:
% 3.52/1.14         ((multiply @ X1 @ X0)
% 3.52/1.14           = (double_divide @ (double_divide @ X0 @ X1) @ identity))),
% 3.52/1.14      inference('cnf', [status(esa)], [multiply])).
% 3.52/1.14  thf(zip_derived_cl7, plain,
% 3.52/1.14      (![X0 : $i]:
% 3.52/1.14         ((multiply @ identity @ X0)
% 3.52/1.14           = (double_divide @ (inverse @ X0) @ identity))),
% 3.52/1.14      inference('sup+', [status(thm)], [zip_derived_cl2, zip_derived_cl1])).
% 3.52/1.14  thf(zip_derived_cl2, plain,
% 3.52/1.14      (![X0 : $i]: ((inverse @ X0) = (double_divide @ X0 @ identity))),
% 3.52/1.14      inference('cnf', [status(esa)], [inverse])).
% 3.52/1.14  thf(zip_derived_cl10, plain,
% 3.52/1.14      (![X0 : $i]: ((multiply @ identity @ X0) = (inverse @ (inverse @ X0)))),
% 3.52/1.14      inference('demod', [status(thm)], [zip_derived_cl7, zip_derived_cl2])).
% 3.52/1.14  thf(zip_derived_cl30, plain,
% 3.52/1.14      ((((multiply @ (multiply @ a3 @ b3) @ c3)
% 3.52/1.14          != (multiply @ a3 @ (multiply @ b3 @ c3)))
% 3.52/1.14        | ((inverse @ (inverse @ a2)) != (a2))
% 3.52/1.14        | ((multiply @ (inverse @ a1) @ a1) != (identity)))),
% 3.52/1.14      inference('demod', [status(thm)], [zip_derived_cl4, zip_derived_cl10])).
% 3.52/1.14  thf(identity, axiom,
% 3.52/1.14    (( identity ) = ( double_divide @ X @ ( inverse @ X ) ))).
% 3.52/1.14  thf(zip_derived_cl3, plain,
% 3.52/1.14      (![X0 : $i]: ((identity) = (double_divide @ X0 @ (inverse @ X0)))),
% 3.52/1.14      inference('cnf', [status(esa)], [identity])).
% 3.52/1.14  thf(zip_derived_cl2, plain,
% 3.52/1.14      (![X0 : $i]: ((inverse @ X0) = (double_divide @ X0 @ identity))),
% 3.52/1.14      inference('cnf', [status(esa)], [inverse])).
% 3.52/1.14  thf(zip_derived_cl1, plain,
% 3.52/1.14      (![X0 : $i, X1 : $i]:
% 3.52/1.14         ((multiply @ X1 @ X0)
% 3.52/1.14           = (double_divide @ (double_divide @ X0 @ X1) @ identity))),
% 3.52/1.14      inference('cnf', [status(esa)], [multiply])).
% 3.52/1.14  thf(zip_derived_cl6, plain,
% 3.52/1.14      (![X0 : $i, X1 : $i]:
% 3.52/1.14         ((multiply @ X0 @ X1) = (inverse @ (double_divide @ X1 @ X0)))),
% 3.52/1.14      inference('sup+', [status(thm)], [zip_derived_cl2, zip_derived_cl1])).
% 3.52/1.14  thf(zip_derived_cl34, plain,
% 3.52/1.14      (![X0 : $i]: ((multiply @ (inverse @ X0) @ X0) = (inverse @ identity))),
% 3.52/1.14      inference('sup+', [status(thm)], [zip_derived_cl3, zip_derived_cl6])).
% 3.52/1.14  thf(zip_derived_cl73, plain,
% 3.52/1.14      ((((multiply @ (multiply @ a3 @ b3) @ c3)
% 3.52/1.14          != (multiply @ a3 @ (multiply @ b3 @ c3)))
% 3.52/1.14        | ((inverse @ (inverse @ a2)) != (a2))
% 3.52/1.14        | ((inverse @ identity) != (identity)))),
% 3.52/1.14      inference('demod', [status(thm)], [zip_derived_cl30, zip_derived_cl34])).
% 3.52/1.14  thf(zip_derived_cl3, plain,
% 3.52/1.14      (![X0 : $i]: ((identity) = (double_divide @ X0 @ (inverse @ X0)))),
% 3.52/1.14      inference('cnf', [status(esa)], [identity])).
% 3.52/1.14  thf(zip_derived_cl3, plain,
% 3.52/1.14      (![X0 : $i]: ((identity) = (double_divide @ X0 @ (inverse @ X0)))),
% 3.52/1.14      inference('cnf', [status(esa)], [identity])).
% 3.52/1.14  thf(single_axiom, axiom,
% 3.52/1.14    (( double_divide @
% 3.52/1.14       ( double_divide @
% 3.52/1.14         X @ 
% 3.52/1.14         ( double_divide @
% 3.52/1.14           ( double_divide @ ( double_divide @ X @ Y ) @ Z ) @ 
% 3.52/1.14           ( double_divide @ Y @ identity ) ) ) @ 
% 3.52/1.14       ( double_divide @ identity @ identity ) ) =
% 3.52/1.14     ( Z ))).
% 3.52/1.14  thf(zip_derived_cl0, plain,
% 3.52/1.14      (![X0 : $i, X1 : $i, X2 : $i]:
% 3.52/1.14         ((double_divide @ 
% 3.52/1.14           (double_divide @ X1 @ 
% 3.52/1.14            (double_divide @ 
% 3.52/1.14             (double_divide @ (double_divide @ X1 @ X2) @ X0) @ 
% 3.52/1.14             (double_divide @ X2 @ identity))) @ 
% 3.52/1.14           (double_divide @ identity @ identity)) = (X0))),
% 3.52/1.14      inference('cnf', [status(esa)], [single_axiom])).
% 3.52/1.14  thf(zip_derived_cl2, plain,
% 3.52/1.14      (![X0 : $i]: ((inverse @ X0) = (double_divide @ X0 @ identity))),
% 3.52/1.14      inference('cnf', [status(esa)], [inverse])).
% 3.52/1.14  thf(zip_derived_cl2, plain,
% 3.52/1.14      (![X0 : $i]: ((inverse @ X0) = (double_divide @ X0 @ identity))),
% 3.52/1.14      inference('cnf', [status(esa)], [inverse])).
% 3.52/1.14  thf(zip_derived_cl13, plain,
% 3.52/1.14      (![X0 : $i, X1 : $i, X2 : $i]:
% 3.52/1.14         ((double_divide @ 
% 3.52/1.14           (double_divide @ X1 @ 
% 3.52/1.14            (double_divide @ 
% 3.52/1.14             (double_divide @ (double_divide @ X1 @ X2) @ X0) @ (inverse @ X2))) @ 
% 3.52/1.14           (inverse @ identity)) = (X0))),
% 3.52/1.14      inference('demod', [status(thm)],
% 3.52/1.14                [zip_derived_cl0, zip_derived_cl2, zip_derived_cl2])).
% 3.52/1.14  thf(zip_derived_cl20, plain,
% 3.52/1.14      (![X0 : $i, X1 : $i]:
% 3.52/1.14         ((double_divide @ 
% 3.52/1.14           (double_divide @ X1 @ (double_divide @ identity @ (inverse @ X0))) @ 
% 3.52/1.14           (inverse @ identity)) = (inverse @ (double_divide @ X1 @ X0)))),
% 3.52/1.14      inference('sup+', [status(thm)], [zip_derived_cl3, zip_derived_cl13])).
% 3.52/1.14  thf(zip_derived_cl6, plain,
% 3.52/1.14      (![X0 : $i, X1 : $i]:
% 3.52/1.14         ((multiply @ X0 @ X1) = (inverse @ (double_divide @ X1 @ X0)))),
% 3.52/1.14      inference('sup+', [status(thm)], [zip_derived_cl2, zip_derived_cl1])).
% 3.52/1.14  thf(zip_derived_cl566, plain,
% 3.52/1.14      (![X0 : $i, X1 : $i]:
% 3.52/1.14         ((double_divide @ 
% 3.52/1.14           (double_divide @ X1 @ (double_divide @ identity @ (inverse @ X0))) @ 
% 3.52/1.14           (inverse @ identity)) = (multiply @ X0 @ X1))),
% 3.52/1.14      inference('demod', [status(thm)], [zip_derived_cl20, zip_derived_cl6])).
% 3.52/1.14  thf(zip_derived_cl582, plain,
% 3.52/1.14      (![X0 : $i]:
% 3.52/1.14         ((double_divide @ (double_divide @ X0 @ identity) @ 
% 3.52/1.14           (inverse @ identity)) = (multiply @ identity @ X0))),
% 3.52/1.14      inference('sup+', [status(thm)], [zip_derived_cl3, zip_derived_cl566])).
% 3.52/1.14  thf(zip_derived_cl2, plain,
% 3.52/1.14      (![X0 : $i]: ((inverse @ X0) = (double_divide @ X0 @ identity))),
% 3.52/1.14      inference('cnf', [status(esa)], [inverse])).
% 3.52/1.14  thf(zip_derived_cl10, plain,
% 3.52/1.14      (![X0 : $i]: ((multiply @ identity @ X0) = (inverse @ (inverse @ X0)))),
% 3.52/1.14      inference('demod', [status(thm)], [zip_derived_cl7, zip_derived_cl2])).
% 3.52/1.14  thf(zip_derived_cl586, plain,
% 3.52/1.14      (![X0 : $i]:
% 3.52/1.14         ((double_divide @ (inverse @ X0) @ (inverse @ identity))
% 3.52/1.14           = (inverse @ (inverse @ X0)))),
% 3.52/1.14      inference('demod', [status(thm)],
% 3.52/1.14                [zip_derived_cl582, zip_derived_cl2, zip_derived_cl10])).
% 3.52/1.14  thf(zip_derived_cl3, plain,
% 3.52/1.14      (![X0 : $i]: ((identity) = (double_divide @ X0 @ (inverse @ X0)))),
% 3.52/1.14      inference('cnf', [status(esa)], [identity])).
% 3.52/1.14  thf(zip_derived_cl1, plain,
% 3.52/1.14      (![X0 : $i, X1 : $i]:
% 3.52/1.14         ((multiply @ X1 @ X0)
% 3.52/1.14           = (double_divide @ (double_divide @ X0 @ X1) @ identity))),
% 3.52/1.14      inference('cnf', [status(esa)], [multiply])).
% 3.52/1.14  thf(zip_derived_cl8, plain,
% 3.52/1.14      (![X0 : $i]:
% 3.52/1.14         ((multiply @ (inverse @ X0) @ X0)
% 3.52/1.14           = (double_divide @ identity @ identity))),
% 3.52/1.14      inference('sup+', [status(thm)], [zip_derived_cl3, zip_derived_cl1])).
% 3.52/1.14  thf(zip_derived_cl6, plain,
% 3.52/1.14      (![X0 : $i, X1 : $i]:
% 3.52/1.14         ((multiply @ X0 @ X1) = (inverse @ (double_divide @ X1 @ X0)))),
% 3.52/1.14      inference('sup+', [status(thm)], [zip_derived_cl2, zip_derived_cl1])).
% 3.52/1.14  thf(zip_derived_cl55, plain,
% 3.52/1.14      (![X0 : $i]:
% 3.52/1.14         ((multiply @ identity @ identity)
% 3.52/1.14           = (inverse @ (multiply @ (inverse @ X0) @ X0)))),
% 3.52/1.14      inference('sup+', [status(thm)], [zip_derived_cl8, zip_derived_cl6])).
% 3.52/1.14  thf(zip_derived_cl3, plain,
% 3.52/1.14      (![X0 : $i]: ((identity) = (double_divide @ X0 @ (inverse @ X0)))),
% 3.52/1.14      inference('cnf', [status(esa)], [identity])).
% 3.52/1.14  thf(zip_derived_cl74, plain,
% 3.52/1.14      (![X0 : $i]:
% 3.52/1.14         ((identity)
% 3.52/1.14           = (double_divide @ (multiply @ (inverse @ X0) @ X0) @ 
% 3.52/1.14              (multiply @ identity @ identity)))),
% 3.52/1.14      inference('sup+', [status(thm)], [zip_derived_cl55, zip_derived_cl3])).
% 3.52/1.14  thf(zip_derived_cl10, plain,
% 3.52/1.14      (![X0 : $i]: ((multiply @ identity @ X0) = (inverse @ (inverse @ X0)))),
% 3.52/1.14      inference('demod', [status(thm)], [zip_derived_cl7, zip_derived_cl2])).
% 3.52/1.14  thf(zip_derived_cl93, plain,
% 3.52/1.14      (![X0 : $i]:
% 3.52/1.14         ((identity)
% 3.52/1.14           = (double_divide @ (multiply @ (inverse @ X0) @ X0) @ 
% 3.52/1.14              (inverse @ (inverse @ identity))))),
% 3.52/1.14      inference('demod', [status(thm)], [zip_derived_cl74, zip_derived_cl10])).
% 3.52/1.14  thf(zip_derived_cl2, plain,
% 3.52/1.14      (![X0 : $i]: ((inverse @ X0) = (double_divide @ X0 @ identity))),
% 3.52/1.14      inference('cnf', [status(esa)], [inverse])).
% 3.52/1.14  thf(zip_derived_cl13, plain,
% 3.52/1.14      (![X0 : $i, X1 : $i, X2 : $i]:
% 3.52/1.14         ((double_divide @ 
% 3.52/1.14           (double_divide @ X1 @ 
% 3.52/1.14            (double_divide @ 
% 3.52/1.14             (double_divide @ (double_divide @ X1 @ X2) @ X0) @ (inverse @ X2))) @ 
% 3.52/1.14           (inverse @ identity)) = (X0))),
% 3.52/1.14      inference('demod', [status(thm)],
% 3.52/1.14                [zip_derived_cl0, zip_derived_cl2, zip_derived_cl2])).
% 3.52/1.14  thf(zip_derived_cl19, plain,
% 3.52/1.14      (![X0 : $i, X1 : $i]:
% 3.52/1.14         ((double_divide @ 
% 3.52/1.14           (double_divide @ X1 @ 
% 3.52/1.14            (double_divide @ (inverse @ (double_divide @ X1 @ X0)) @ 
% 3.52/1.14             (inverse @ X0))) @ 
% 3.52/1.14           (inverse @ identity)) = (identity))),
% 3.52/1.14      inference('sup+', [status(thm)], [zip_derived_cl2, zip_derived_cl13])).
% 3.52/1.14  thf(zip_derived_cl6, plain,
% 3.52/1.14      (![X0 : $i, X1 : $i]:
% 3.52/1.14         ((multiply @ X0 @ X1) = (inverse @ (double_divide @ X1 @ X0)))),
% 3.52/1.14      inference('sup+', [status(thm)], [zip_derived_cl2, zip_derived_cl1])).
% 3.52/1.14  thf(zip_derived_cl411, plain,
% 3.52/1.14      (![X0 : $i, X1 : $i]:
% 3.52/1.14         ((double_divide @ 
% 3.52/1.14           (double_divide @ X1 @ 
% 3.52/1.14            (double_divide @ (multiply @ X0 @ X1) @ (inverse @ X0))) @ 
% 3.52/1.14           (inverse @ identity)) = (identity))),
% 3.52/1.14      inference('demod', [status(thm)], [zip_derived_cl19, zip_derived_cl6])).
% 3.52/1.14  thf(zip_derived_cl427, plain,
% 3.52/1.14      (((double_divide @ (double_divide @ identity @ identity) @ 
% 3.52/1.14         (inverse @ identity)) = (identity))),
% 3.52/1.14      inference('sup+', [status(thm)], [zip_derived_cl93, zip_derived_cl411])).
% 3.52/1.14  thf(zip_derived_cl2, plain,
% 3.52/1.14      (![X0 : $i]: ((inverse @ X0) = (double_divide @ X0 @ identity))),
% 3.52/1.14      inference('cnf', [status(esa)], [inverse])).
% 3.52/1.14  thf(zip_derived_cl442, plain,
% 3.52/1.14      (((double_divide @ (inverse @ identity) @ (inverse @ identity))
% 3.52/1.14         = (identity))),
% 3.52/1.14      inference('demod', [status(thm)], [zip_derived_cl427, zip_derived_cl2])).
% 3.52/1.14  thf(zip_derived_cl653, plain,
% 3.52/1.14      (((inverse @ (inverse @ identity)) = (identity))),
% 3.52/1.14      inference('sup+', [status(thm)], [zip_derived_cl586, zip_derived_cl442])).
% 3.52/1.14  thf(zip_derived_cl586, plain,
% 3.52/1.14      (![X0 : $i]:
% 3.52/1.14         ((double_divide @ (inverse @ X0) @ (inverse @ identity))
% 3.52/1.14           = (inverse @ (inverse @ X0)))),
% 3.52/1.14      inference('demod', [status(thm)],
% 3.52/1.14                [zip_derived_cl582, zip_derived_cl2, zip_derived_cl10])).
% 3.52/1.14  thf(zip_derived_cl692, plain,
% 3.52/1.14      (((double_divide @ identity @ (inverse @ identity))
% 3.52/1.14         = (inverse @ (inverse @ (inverse @ identity))))),
% 3.52/1.14      inference('sup+', [status(thm)], [zip_derived_cl653, zip_derived_cl586])).
% 3.52/1.14  thf(zip_derived_cl3, plain,
% 3.52/1.14      (![X0 : $i]: ((identity) = (double_divide @ X0 @ (inverse @ X0)))),
% 3.52/1.14      inference('cnf', [status(esa)], [identity])).
% 3.52/1.14  thf(zip_derived_cl653, plain,
% 3.52/1.14      (((inverse @ (inverse @ identity)) = (identity))),
% 3.52/1.14      inference('sup+', [status(thm)], [zip_derived_cl586, zip_derived_cl442])).
% 3.52/1.14  thf(zip_derived_cl706, plain, (((identity) = (inverse @ identity))),
% 3.52/1.14      inference('demod', [status(thm)],
% 3.52/1.14                [zip_derived_cl692, zip_derived_cl3, zip_derived_cl653])).
% 3.52/1.14  thf(zip_derived_cl713, plain,
% 3.52/1.14      ((((multiply @ (multiply @ a3 @ b3) @ c3)
% 3.52/1.14          != (multiply @ a3 @ (multiply @ b3 @ c3)))
% 3.52/1.14        | ((inverse @ (inverse @ a2)) != (a2))
% 3.52/1.14        | ((identity) != (identity)))),
% 3.52/1.14      inference('demod', [status(thm)], [zip_derived_cl73, zip_derived_cl706])).
% 3.52/1.14  thf(zip_derived_cl714, plain,
% 3.52/1.14      ((((inverse @ (inverse @ a2)) != (a2))
% 3.52/1.14        | ((multiply @ (multiply @ a3 @ b3) @ c3)
% 3.52/1.14            != (multiply @ a3 @ (multiply @ b3 @ c3))))),
% 3.52/1.14      inference('simplify', [status(thm)], [zip_derived_cl713])).
% 3.52/1.14  thf(zip_derived_cl706, plain, (((identity) = (inverse @ identity))),
% 3.52/1.14      inference('demod', [status(thm)],
% 3.52/1.14                [zip_derived_cl692, zip_derived_cl3, zip_derived_cl653])).
% 3.52/1.14  thf(zip_derived_cl13, plain,
% 3.52/1.14      (![X0 : $i, X1 : $i, X2 : $i]:
% 3.52/1.14         ((double_divide @ 
% 3.52/1.14           (double_divide @ X1 @ 
% 3.52/1.14            (double_divide @ 
% 3.52/1.14             (double_divide @ (double_divide @ X1 @ X2) @ X0) @ (inverse @ X2))) @ 
% 3.52/1.14           (inverse @ identity)) = (X0))),
% 3.52/1.14      inference('demod', [status(thm)],
% 3.52/1.14                [zip_derived_cl0, zip_derived_cl2, zip_derived_cl2])).
% 3.52/1.14  thf(zip_derived_cl13, plain,
% 3.52/1.14      (![X0 : $i, X1 : $i, X2 : $i]:
% 3.52/1.14         ((double_divide @ 
% 3.52/1.14           (double_divide @ X1 @ 
% 3.52/1.14            (double_divide @ 
% 3.52/1.14             (double_divide @ (double_divide @ X1 @ X2) @ X0) @ (inverse @ X2))) @ 
% 3.52/1.14           (inverse @ identity)) = (X0))),
% 3.52/1.14      inference('demod', [status(thm)],
% 3.52/1.14                [zip_derived_cl0, zip_derived_cl2, zip_derived_cl2])).
% 3.52/1.14  thf(zip_derived_cl18, plain,
% 3.52/1.14      (![X0 : $i, X1 : $i, X2 : $i]:
% 3.52/1.14         ((double_divide @ (double_divide @ X2 @ X0) @ (inverse @ identity))
% 3.52/1.14           = (double_divide @ 
% 3.52/1.14              (double_divide @ 
% 3.52/1.14               (double_divide @ (double_divide @ X2 @ identity) @ X1) @ X0) @ 
% 3.52/1.14              (inverse @ X1)))),
% 3.52/1.14      inference('sup+', [status(thm)], [zip_derived_cl13, zip_derived_cl13])).
% 3.52/1.14  thf(zip_derived_cl2, plain,
% 3.52/1.14      (![X0 : $i]: ((inverse @ X0) = (double_divide @ X0 @ identity))),
% 3.52/1.14      inference('cnf', [status(esa)], [inverse])).
% 3.52/1.14  thf(zip_derived_cl27, plain,
% 3.52/1.14      (![X0 : $i, X1 : $i, X2 : $i]:
% 3.52/1.14         ((double_divide @ (double_divide @ X2 @ X0) @ (inverse @ identity))
% 3.52/1.14           = (double_divide @ 
% 3.52/1.14              (double_divide @ (double_divide @ (inverse @ X2) @ X1) @ X0) @ 
% 3.52/1.14              (inverse @ X1)))),
% 3.52/1.14      inference('demod', [status(thm)], [zip_derived_cl18, zip_derived_cl2])).
% 3.52/1.14  thf(zip_derived_cl706, plain, (((identity) = (inverse @ identity))),
% 3.52/1.14      inference('demod', [status(thm)],
% 3.52/1.14                [zip_derived_cl692, zip_derived_cl3, zip_derived_cl653])).
% 3.52/1.14  thf(zip_derived_cl1, plain,
% 3.52/1.14      (![X0 : $i, X1 : $i]:
% 3.52/1.14         ((multiply @ X1 @ X0)
% 3.52/1.14           = (double_divide @ (double_divide @ X0 @ X1) @ identity))),
% 3.52/1.14      inference('cnf', [status(esa)], [multiply])).
% 3.52/1.14  thf(zip_derived_cl750, plain,
% 3.52/1.14      (![X0 : $i, X1 : $i, X2 : $i]:
% 3.52/1.14         ((multiply @ X0 @ X2)
% 3.52/1.14           = (double_divide @ 
% 3.52/1.14              (double_divide @ (double_divide @ (inverse @ X2) @ X1) @ X0) @ 
% 3.52/1.14              (inverse @ X1)))),
% 3.52/1.14      inference('demod', [status(thm)],
% 3.52/1.14                [zip_derived_cl27, zip_derived_cl706, zip_derived_cl1])).
% 3.52/1.14  thf(zip_derived_cl756, plain,
% 3.52/1.14      (![X0 : $i, X1 : $i]:
% 3.52/1.14         ((multiply @ X0 @ X1)
% 3.52/1.14           = (double_divide @ 
% 3.52/1.14              (double_divide @ (double_divide @ (inverse @ X1) @ identity) @ X0) @ 
% 3.52/1.14              identity))),
% 3.52/1.14      inference('sup+', [status(thm)], [zip_derived_cl706, zip_derived_cl750])).
% 3.52/1.14  thf(zip_derived_cl2, plain,
% 3.52/1.14      (![X0 : $i]: ((inverse @ X0) = (double_divide @ X0 @ identity))),
% 3.52/1.14      inference('cnf', [status(esa)], [inverse])).
% 3.52/1.14  thf(zip_derived_cl1, plain,
% 3.52/1.14      (![X0 : $i, X1 : $i]:
% 3.52/1.14         ((multiply @ X1 @ X0)
% 3.52/1.14           = (double_divide @ (double_divide @ X0 @ X1) @ identity))),
% 3.52/1.14      inference('cnf', [status(esa)], [multiply])).
% 3.52/1.14  thf(zip_derived_cl767, plain,
% 3.52/1.14      (![X0 : $i, X1 : $i]:
% 3.52/1.14         ((multiply @ X0 @ X1) = (multiply @ X0 @ (inverse @ (inverse @ X1))))),
% 3.52/1.14      inference('demod', [status(thm)],
% 3.52/1.14                [zip_derived_cl756, zip_derived_cl2, zip_derived_cl1])).
% 3.52/1.14  thf(zip_derived_cl10, plain,
% 3.52/1.14      (![X0 : $i]: ((multiply @ identity @ X0) = (inverse @ (inverse @ X0)))),
% 3.52/1.14      inference('demod', [status(thm)], [zip_derived_cl7, zip_derived_cl2])).
% 3.52/1.14  thf(zip_derived_cl795, plain,
% 3.52/1.14      (![X0 : $i]:
% 3.52/1.14         ((multiply @ identity @ X0)
% 3.52/1.14           = (inverse @ (inverse @ (inverse @ (inverse @ X0)))))),
% 3.52/1.14      inference('sup+', [status(thm)], [zip_derived_cl767, zip_derived_cl10])).
% 3.52/1.14  thf(zip_derived_cl10, plain,
% 3.52/1.14      (![X0 : $i]: ((multiply @ identity @ X0) = (inverse @ (inverse @ X0)))),
% 3.52/1.14      inference('demod', [status(thm)], [zip_derived_cl7, zip_derived_cl2])).
% 3.52/1.14  thf(zip_derived_cl800, plain,
% 3.52/1.14      (![X0 : $i]:
% 3.52/1.14         ((inverse @ (inverse @ X0))
% 3.52/1.14           = (inverse @ (inverse @ (inverse @ (inverse @ X0)))))),
% 3.52/1.14      inference('demod', [status(thm)], [zip_derived_cl795, zip_derived_cl10])).
% 3.52/1.14  thf(zip_derived_cl566, plain,
% 3.52/1.14      (![X0 : $i, X1 : $i]:
% 3.52/1.14         ((double_divide @ 
% 3.52/1.14           (double_divide @ X1 @ (double_divide @ identity @ (inverse @ X0))) @ 
% 3.52/1.14           (inverse @ identity)) = (multiply @ X0 @ X1))),
% 3.52/1.14      inference('demod', [status(thm)], [zip_derived_cl20, zip_derived_cl6])).
% 3.52/1.14  thf(zip_derived_cl706, plain, (((identity) = (inverse @ identity))),
% 3.52/1.14      inference('demod', [status(thm)],
% 3.52/1.14                [zip_derived_cl692, zip_derived_cl3, zip_derived_cl653])).
% 3.52/1.14  thf(zip_derived_cl1, plain,
% 3.52/1.14      (![X0 : $i, X1 : $i]:
% 3.52/1.14         ((multiply @ X1 @ X0)
% 3.52/1.14           = (double_divide @ (double_divide @ X0 @ X1) @ identity))),
% 3.52/1.14      inference('cnf', [status(esa)], [multiply])).
% 3.52/1.14  thf(zip_derived_cl722, plain,
% 3.52/1.14      (![X0 : $i, X1 : $i]:
% 3.52/1.14         ((multiply @ (double_divide @ identity @ (inverse @ X0)) @ X1)
% 3.52/1.14           = (multiply @ X0 @ X1))),
% 3.52/1.14      inference('demod', [status(thm)],
% 3.52/1.14                [zip_derived_cl566, zip_derived_cl706, zip_derived_cl1])).
% 3.52/1.14  thf(zip_derived_cl34, plain,
% 3.52/1.14      (![X0 : $i]: ((multiply @ (inverse @ X0) @ X0) = (inverse @ identity))),
% 3.52/1.14      inference('sup+', [status(thm)], [zip_derived_cl3, zip_derived_cl6])).
% 3.52/1.14  thf(zip_derived_cl13, plain,
% 3.52/1.14      (![X0 : $i, X1 : $i, X2 : $i]:
% 3.52/1.14         ((double_divide @ 
% 3.52/1.14           (double_divide @ X1 @ 
% 3.52/1.14            (double_divide @ 
% 3.52/1.14             (double_divide @ (double_divide @ X1 @ X2) @ X0) @ (inverse @ X2))) @ 
% 3.52/1.14           (inverse @ identity)) = (X0))),
% 3.52/1.14      inference('demod', [status(thm)],
% 3.52/1.14                [zip_derived_cl0, zip_derived_cl2, zip_derived_cl2])).
% 3.52/1.14  thf(zip_derived_cl39, plain,
% 3.52/1.14      (![X0 : $i, X1 : $i, X2 : $i]:
% 3.52/1.14         ((double_divide @ 
% 3.52/1.14           (double_divide @ X2 @ 
% 3.52/1.14            (double_divide @ 
% 3.52/1.14             (double_divide @ (double_divide @ X2 @ identity) @ X1) @ 
% 3.52/1.14             (multiply @ (inverse @ X0) @ X0))) @ 
% 3.52/1.14           (inverse @ identity)) = (X1))),
% 3.52/1.14      inference('sup+', [status(thm)], [zip_derived_cl34, zip_derived_cl13])).
% 3.52/1.14  thf(zip_derived_cl2, plain,
% 3.52/1.14      (![X0 : $i]: ((inverse @ X0) = (double_divide @ X0 @ identity))),
% 3.52/1.14      inference('cnf', [status(esa)], [inverse])).
% 3.52/1.14  thf(zip_derived_cl45, plain,
% 3.52/1.14      (![X0 : $i, X1 : $i, X2 : $i]:
% 3.52/1.14         ((double_divide @ 
% 3.52/1.14           (double_divide @ X2 @ 
% 3.52/1.14            (double_divide @ (double_divide @ (inverse @ X2) @ X1) @ 
% 3.52/1.14             (multiply @ (inverse @ X0) @ X0))) @ 
% 3.52/1.14           (inverse @ identity)) = (X1))),
% 3.52/1.14      inference('demod', [status(thm)], [zip_derived_cl39, zip_derived_cl2])).
% 3.52/1.14  thf(zip_derived_cl34, plain,
% 3.52/1.14      (![X0 : $i]: ((multiply @ (inverse @ X0) @ X0) = (inverse @ identity))),
% 3.52/1.14      inference('sup+', [status(thm)], [zip_derived_cl3, zip_derived_cl6])).
% 3.52/1.14  thf(zip_derived_cl706, plain, (((identity) = (inverse @ identity))),
% 3.52/1.14      inference('demod', [status(thm)],
% 3.52/1.14                [zip_derived_cl692, zip_derived_cl3, zip_derived_cl653])).
% 3.52/1.14  thf(zip_derived_cl710, plain,
% 3.52/1.14      (![X0 : $i]: ((multiply @ (inverse @ X0) @ X0) = (identity))),
% 3.52/1.14      inference('demod', [status(thm)], [zip_derived_cl34, zip_derived_cl706])).
% 3.52/1.14  thf(zip_derived_cl1, plain,
% 3.52/1.14      (![X0 : $i, X1 : $i]:
% 3.52/1.14         ((multiply @ X1 @ X0)
% 3.52/1.14           = (double_divide @ (double_divide @ X0 @ X1) @ identity))),
% 3.52/1.14      inference('cnf', [status(esa)], [multiply])).
% 3.52/1.14  thf(zip_derived_cl706, plain, (((identity) = (inverse @ identity))),
% 3.52/1.14      inference('demod', [status(thm)],
% 3.52/1.14                [zip_derived_cl692, zip_derived_cl3, zip_derived_cl653])).
% 3.52/1.14  thf(zip_derived_cl1, plain,
% 3.52/1.14      (![X0 : $i, X1 : $i]:
% 3.52/1.14         ((multiply @ X1 @ X0)
% 3.52/1.14           = (double_divide @ (double_divide @ X0 @ X1) @ identity))),
% 3.52/1.14      inference('cnf', [status(esa)], [multiply])).
% 3.52/1.14  thf(zip_derived_cl1261, plain,
% 3.52/1.14      (![X1 : $i, X2 : $i]:
% 3.52/1.14         ((multiply @ (multiply @ X1 @ (inverse @ X2)) @ X2) = (X1))),
% 3.52/1.14      inference('demod', [status(thm)],
% 3.52/1.14                [zip_derived_cl45, zip_derived_cl710, zip_derived_cl1, 
% 3.52/1.14                 zip_derived_cl706, zip_derived_cl1])).
% 3.52/1.14  thf(zip_derived_cl1276, plain,
% 3.52/1.14      (![X0 : $i, X1 : $i]:
% 3.52/1.14         ((multiply @ (multiply @ X1 @ (inverse @ X0)) @ X0)
% 3.52/1.14           = (double_divide @ identity @ (inverse @ X1)))),
% 3.52/1.14      inference('sup+', [status(thm)], [zip_derived_cl722, zip_derived_cl1261])).
% 3.52/1.14  thf(zip_derived_cl1261, plain,
% 3.52/1.14      (![X1 : $i, X2 : $i]:
% 3.52/1.14         ((multiply @ (multiply @ X1 @ (inverse @ X2)) @ X2) = (X1))),
% 3.52/1.14      inference('demod', [status(thm)],
% 3.52/1.14                [zip_derived_cl45, zip_derived_cl710, zip_derived_cl1, 
% 3.52/1.14                 zip_derived_cl706, zip_derived_cl1])).
% 3.52/1.14  thf(zip_derived_cl1288, plain,
% 3.52/1.14      (![X1 : $i]: ((X1) = (double_divide @ identity @ (inverse @ X1)))),
% 3.52/1.14      inference('demod', [status(thm)],
% 3.52/1.14                [zip_derived_cl1276, zip_derived_cl1261])).
% 3.52/1.14  thf(zip_derived_cl1328, plain,
% 3.52/1.14      (![X0 : $i]:
% 3.52/1.14         ((inverse @ (inverse @ (inverse @ X0)))
% 3.52/1.14           = (double_divide @ identity @ (inverse @ (inverse @ X0))))),
% 3.52/1.14      inference('sup+', [status(thm)], [zip_derived_cl800, zip_derived_cl1288])).
% 3.52/1.14  thf(zip_derived_cl1288, plain,
% 3.52/1.14      (![X1 : $i]: ((X1) = (double_divide @ identity @ (inverse @ X1)))),
% 3.52/1.14      inference('demod', [status(thm)],
% 3.52/1.14                [zip_derived_cl1276, zip_derived_cl1261])).
% 3.52/1.14  thf(zip_derived_cl1330, plain,
% 3.52/1.14      (![X0 : $i]: ((inverse @ (inverse @ (inverse @ X0))) = (inverse @ X0))),
% 3.52/1.14      inference('demod', [status(thm)],
% 3.52/1.14                [zip_derived_cl1328, zip_derived_cl1288])).
% 3.52/1.14  thf(zip_derived_cl1288, plain,
% 3.52/1.14      (![X1 : $i]: ((X1) = (double_divide @ identity @ (inverse @ X1)))),
% 3.52/1.14      inference('demod', [status(thm)],
% 3.52/1.14                [zip_derived_cl1276, zip_derived_cl1261])).
% 3.52/1.14  thf(zip_derived_cl1346, plain,
% 3.52/1.14      (![X0 : $i]:
% 3.52/1.14         ((inverse @ (inverse @ X0))
% 3.52/1.14           = (double_divide @ identity @ (inverse @ X0)))),
% 3.52/1.14      inference('sup+', [status(thm)], [zip_derived_cl1330, zip_derived_cl1288])).
% 3.52/1.14  thf(zip_derived_cl1288, plain,
% 3.52/1.14      (![X1 : $i]: ((X1) = (double_divide @ identity @ (inverse @ X1)))),
% 3.52/1.14      inference('demod', [status(thm)],
% 3.52/1.14                [zip_derived_cl1276, zip_derived_cl1261])).
% 3.52/1.14  thf(zip_derived_cl1361, plain,
% 3.52/1.14      (![X0 : $i]: ((inverse @ (inverse @ X0)) = (X0))),
% 3.52/1.14      inference('demod', [status(thm)],
% 3.52/1.14                [zip_derived_cl1346, zip_derived_cl1288])).
% 3.52/1.14  thf(zip_derived_cl1364, plain,
% 3.52/1.14      ((((a2) != (a2))
% 3.52/1.14        | ((multiply @ (multiply @ a3 @ b3) @ c3)
% 3.52/1.14            != (multiply @ a3 @ (multiply @ b3 @ c3))))),
% 3.52/1.14      inference('demod', [status(thm)], [zip_derived_cl714, zip_derived_cl1361])).
% 3.52/1.14  thf(zip_derived_cl1365, plain,
% 3.52/1.14      (((multiply @ (multiply @ a3 @ b3) @ c3)
% 3.52/1.14         != (multiply @ a3 @ (multiply @ b3 @ c3)))),
% 3.52/1.14      inference('simplify', [status(thm)], [zip_derived_cl1364])).
% 3.52/1.14  thf(zip_derived_cl800, plain,
% 3.52/1.14      (![X0 : $i]:
% 3.52/1.14         ((inverse @ (inverse @ X0))
% 3.52/1.14           = (inverse @ (inverse @ (inverse @ (inverse @ X0)))))),
% 3.52/1.14      inference('demod', [status(thm)], [zip_derived_cl795, zip_derived_cl10])).
% 3.52/1.14  thf(zip_derived_cl1261, plain,
% 3.52/1.14      (![X1 : $i, X2 : $i]:
% 3.52/1.14         ((multiply @ (multiply @ X1 @ (inverse @ X2)) @ X2) = (X1))),
% 3.52/1.14      inference('demod', [status(thm)],
% 3.52/1.14                [zip_derived_cl45, zip_derived_cl710, zip_derived_cl1, 
% 3.52/1.14                 zip_derived_cl706, zip_derived_cl1])).
% 3.52/1.14  thf(zip_derived_cl1287, plain,
% 3.52/1.14      (![X0 : $i, X1 : $i]:
% 3.52/1.14         ((multiply @ (multiply @ X1 @ (inverse @ (inverse @ X0))) @ 
% 3.52/1.14           (inverse @ (inverse @ (inverse @ X0)))) = (X1))),
% 3.52/1.14      inference('sup+', [status(thm)], [zip_derived_cl800, zip_derived_cl1261])).
% 3.52/1.14  thf(zip_derived_cl767, plain,
% 3.52/1.14      (![X0 : $i, X1 : $i]:
% 3.52/1.14         ((multiply @ X0 @ X1) = (multiply @ X0 @ (inverse @ (inverse @ X1))))),
% 3.52/1.14      inference('demod', [status(thm)],
% 3.52/1.14                [zip_derived_cl756, zip_derived_cl2, zip_derived_cl1])).
% 3.52/1.14  thf(zip_derived_cl767, plain,
% 3.52/1.14      (![X0 : $i, X1 : $i]:
% 3.52/1.14         ((multiply @ X0 @ X1) = (multiply @ X0 @ (inverse @ (inverse @ X1))))),
% 3.52/1.14      inference('demod', [status(thm)],
% 3.52/1.14                [zip_derived_cl756, zip_derived_cl2, zip_derived_cl1])).
% 3.52/1.14  thf(zip_derived_cl1291, plain,
% 3.52/1.14      (![X0 : $i, X1 : $i]:
% 3.52/1.14         ((multiply @ (multiply @ X1 @ X0) @ (inverse @ X0)) = (X1))),
% 3.52/1.14      inference('demod', [status(thm)],
% 3.52/1.14                [zip_derived_cl1287, zip_derived_cl767, zip_derived_cl767])).
% 3.52/1.14  thf(zip_derived_cl13, plain,
% 3.52/1.14      (![X0 : $i, X1 : $i, X2 : $i]:
% 3.52/1.14         ((double_divide @ 
% 3.52/1.14           (double_divide @ X1 @ 
% 3.52/1.14            (double_divide @ 
% 3.52/1.14             (double_divide @ (double_divide @ X1 @ X2) @ X0) @ (inverse @ X2))) @ 
% 3.52/1.14           (inverse @ identity)) = (X0))),
% 3.52/1.14      inference('demod', [status(thm)],
% 3.52/1.14                [zip_derived_cl0, zip_derived_cl2, zip_derived_cl2])).
% 3.52/1.14  thf(zip_derived_cl13, plain,
% 3.52/1.14      (![X0 : $i, X1 : $i, X2 : $i]:
% 3.52/1.14         ((double_divide @ 
% 3.52/1.14           (double_divide @ X1 @ 
% 3.52/1.14            (double_divide @ 
% 3.52/1.14             (double_divide @ (double_divide @ X1 @ X2) @ X0) @ (inverse @ X2))) @ 
% 3.52/1.14           (inverse @ identity)) = (X0))),
% 3.52/1.14      inference('demod', [status(thm)],
% 3.52/1.14                [zip_derived_cl0, zip_derived_cl2, zip_derived_cl2])).
% 3.52/1.14  thf(zip_derived_cl13, plain,
% 3.52/1.14      (![X0 : $i, X1 : $i, X2 : $i]:
% 3.52/1.14         ((double_divide @ 
% 3.52/1.14           (double_divide @ X1 @ 
% 3.52/1.14            (double_divide @ 
% 3.52/1.14             (double_divide @ (double_divide @ X1 @ X2) @ X0) @ (inverse @ X2))) @ 
% 3.52/1.14           (inverse @ identity)) = (X0))),
% 3.52/1.14      inference('demod', [status(thm)],
% 3.52/1.14                [zip_derived_cl0, zip_derived_cl2, zip_derived_cl2])).
% 3.52/1.14  thf(zip_derived_cl14, plain,
% 3.52/1.14      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i]:
% 3.52/1.14         ((double_divide @ 
% 3.52/1.14           (double_divide @ 
% 3.52/1.14            (double_divide @ X3 @ 
% 3.52/1.14             (double_divide @ 
% 3.52/1.14              (double_divide @ (double_divide @ X3 @ X2) @ X0) @ (inverse @ X2))) @ 
% 3.52/1.14            (double_divide @ (double_divide @ X0 @ X1) @ 
% 3.52/1.14             (inverse @ (inverse @ identity)))) @ 
% 3.52/1.14           (inverse @ identity)) = (X1))),
% 3.52/1.14      inference('sup+', [status(thm)], [zip_derived_cl13, zip_derived_cl13])).
% 3.52/1.14  thf(zip_derived_cl163, plain,
% 3.52/1.14      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i]:
% 3.52/1.14         ((double_divide @ 
% 3.52/1.14           (double_divide @ (double_divide @ X3 @ X0) @ 
% 3.52/1.14            (double_divide @ 
% 3.52/1.14             (double_divide @ 
% 3.52/1.14              (double_divide @ 
% 3.52/1.14               (double_divide @ 
% 3.52/1.14                (double_divide @ (double_divide @ X3 @ identity) @ X2) @ X0) @ 
% 3.52/1.14               (inverse @ X2)) @ 
% 3.52/1.14              X1) @ 
% 3.52/1.14             (inverse @ (inverse @ identity)))) @ 
% 3.52/1.14           (inverse @ identity)) = (X1))),
% 3.52/1.14      inference('sup+', [status(thm)], [zip_derived_cl13, zip_derived_cl14])).
% 3.52/1.14  thf(zip_derived_cl2, plain,
% 3.52/1.14      (![X0 : $i]: ((inverse @ X0) = (double_divide @ X0 @ identity))),
% 3.52/1.14      inference('cnf', [status(esa)], [inverse])).
% 3.52/1.14  thf(zip_derived_cl183, plain,
% 3.52/1.14      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i]:
% 3.52/1.14         ((double_divide @ 
% 3.52/1.14           (double_divide @ (double_divide @ X3 @ X0) @ 
% 3.52/1.14            (double_divide @ 
% 3.52/1.14             (double_divide @ 
% 3.52/1.14              (double_divide @ 
% 3.52/1.14               (double_divide @ (double_divide @ (inverse @ X3) @ X2) @ X0) @ 
% 3.52/1.14               (inverse @ X2)) @ 
% 3.52/1.14              X1) @ 
% 3.52/1.14             (inverse @ (inverse @ identity)))) @ 
% 3.52/1.14           (inverse @ identity)) = (X1))),
% 3.52/1.14      inference('demod', [status(thm)], [zip_derived_cl163, zip_derived_cl2])).
% 3.52/1.14  thf(zip_derived_cl3, plain,
% 3.52/1.14      (![X0 : $i]: ((identity) = (double_divide @ X0 @ (inverse @ X0)))),
% 3.52/1.14      inference('cnf', [status(esa)], [identity])).
% 3.52/1.14  thf(zip_derived_cl13, plain,
% 3.52/1.14      (![X0 : $i, X1 : $i, X2 : $i]:
% 3.52/1.14         ((double_divide @ 
% 3.52/1.14           (double_divide @ X1 @ 
% 3.52/1.14            (double_divide @ 
% 3.52/1.14             (double_divide @ (double_divide @ X1 @ X2) @ X0) @ (inverse @ X2))) @ 
% 3.52/1.14           (inverse @ identity)) = (X0))),
% 3.52/1.14      inference('demod', [status(thm)],
% 3.52/1.14                [zip_derived_cl0, zip_derived_cl2, zip_derived_cl2])).
% 3.52/1.14  thf(zip_derived_cl1, plain,
% 3.52/1.14      (![X0 : $i, X1 : $i]:
% 3.52/1.14         ((multiply @ X1 @ X0)
% 3.52/1.14           = (double_divide @ (double_divide @ X0 @ X1) @ identity))),
% 3.52/1.14      inference('cnf', [status(esa)], [multiply])).
% 3.52/1.14  thf(zip_derived_cl1, plain,
% 3.52/1.14      (![X0 : $i, X1 : $i]:
% 3.52/1.14         ((multiply @ X1 @ X0)
% 3.52/1.14           = (double_divide @ (double_divide @ X0 @ X1) @ identity))),
% 3.52/1.14      inference('cnf', [status(esa)], [multiply])).
% 3.52/1.14  thf(zip_derived_cl9, plain,
% 3.52/1.14      (![X0 : $i, X1 : $i]:
% 3.52/1.14         ((multiply @ identity @ (double_divide @ X0 @ X1))
% 3.52/1.14           = (double_divide @ (multiply @ X1 @ X0) @ identity))),
% 3.52/1.14      inference('sup+', [status(thm)], [zip_derived_cl1, zip_derived_cl1])).
% 3.52/1.14  thf(zip_derived_cl2, plain,
% 3.52/1.14      (![X0 : $i]: ((inverse @ X0) = (double_divide @ X0 @ identity))),
% 3.52/1.14      inference('cnf', [status(esa)], [inverse])).
% 3.52/1.14  thf(zip_derived_cl11, plain,
% 3.52/1.14      (![X0 : $i, X1 : $i]:
% 3.52/1.14         ((multiply @ identity @ (double_divide @ X0 @ X1))
% 3.52/1.14           = (inverse @ (multiply @ X1 @ X0)))),
% 3.52/1.14      inference('demod', [status(thm)], [zip_derived_cl9, zip_derived_cl2])).
% 3.52/1.14  thf(zip_derived_cl104, plain,
% 3.52/1.14      (![X0 : $i, X1 : $i, X2 : $i]:
% 3.52/1.14         ((multiply @ identity @ X0)
% 3.52/1.14           = (inverse @ 
% 3.52/1.14              (multiply @ (inverse @ identity) @ 
% 3.52/1.14               (double_divide @ X2 @ 
% 3.52/1.14                (double_divide @ 
% 3.52/1.14                 (double_divide @ (double_divide @ X2 @ X1) @ X0) @ 
% 3.52/1.14                 (inverse @ X1))))))),
% 3.52/1.14      inference('sup+', [status(thm)], [zip_derived_cl13, zip_derived_cl11])).
% 3.52/1.14  thf(zip_derived_cl10, plain,
% 3.52/1.14      (![X0 : $i]: ((multiply @ identity @ X0) = (inverse @ (inverse @ X0)))),
% 3.52/1.14      inference('demod', [status(thm)], [zip_derived_cl7, zip_derived_cl2])).
% 3.52/1.14  thf(zip_derived_cl109, plain,
% 3.52/1.14      (![X0 : $i, X1 : $i, X2 : $i]:
% 3.52/1.14         ((inverse @ (inverse @ X0))
% 3.52/1.14           = (inverse @ 
% 3.52/1.14              (multiply @ (inverse @ identity) @ 
% 3.52/1.14               (double_divide @ X2 @ 
% 3.52/1.14                (double_divide @ 
% 3.52/1.14                 (double_divide @ (double_divide @ X2 @ X1) @ X0) @ 
% 3.52/1.14                 (inverse @ X1))))))),
% 3.52/1.14      inference('demod', [status(thm)], [zip_derived_cl104, zip_derived_cl10])).
% 3.52/1.14  thf(zip_derived_cl1361, plain,
% 3.52/1.14      (![X0 : $i]: ((inverse @ (inverse @ X0)) = (X0))),
% 3.52/1.14      inference('demod', [status(thm)],
% 3.52/1.14                [zip_derived_cl1346, zip_derived_cl1288])).
% 3.52/1.14  thf(zip_derived_cl706, plain, (((identity) = (inverse @ identity))),
% 3.52/1.14      inference('demod', [status(thm)],
% 3.52/1.14                [zip_derived_cl692, zip_derived_cl3, zip_derived_cl653])).
% 3.52/1.14  thf(zip_derived_cl10, plain,
% 3.52/1.14      (![X0 : $i]: ((multiply @ identity @ X0) = (inverse @ (inverse @ X0)))),
% 3.52/1.14      inference('demod', [status(thm)], [zip_derived_cl7, zip_derived_cl2])).
% 3.52/1.14  thf(zip_derived_cl1361, plain,
% 3.52/1.14      (![X0 : $i]: ((inverse @ (inverse @ X0)) = (X0))),
% 3.52/1.14      inference('demod', [status(thm)],
% 3.52/1.14                [zip_derived_cl1346, zip_derived_cl1288])).
% 3.52/1.14  thf(zip_derived_cl1363, plain,
% 3.52/1.14      (![X0 : $i]: ((multiply @ identity @ X0) = (X0))),
% 3.52/1.14      inference('demod', [status(thm)], [zip_derived_cl10, zip_derived_cl1361])).
% 3.52/1.14  thf(zip_derived_cl6, plain,
% 3.52/1.14      (![X0 : $i, X1 : $i]:
% 3.52/1.14         ((multiply @ X0 @ X1) = (inverse @ (double_divide @ X1 @ X0)))),
% 3.52/1.14      inference('sup+', [status(thm)], [zip_derived_cl2, zip_derived_cl1])).
% 3.52/1.14  thf(zip_derived_cl1732, plain,
% 3.52/1.14      (![X0 : $i, X1 : $i, X2 : $i]:
% 3.52/1.14         ((X0)
% 3.52/1.14           = (multiply @ 
% 3.52/1.14              (double_divide @ 
% 3.52/1.14               (double_divide @ (double_divide @ X2 @ X1) @ X0) @ 
% 3.52/1.14               (inverse @ X1)) @ 
% 3.52/1.14              X2))),
% 3.52/1.14      inference('demod', [status(thm)],
% 3.52/1.14                [zip_derived_cl109, zip_derived_cl1361, zip_derived_cl706, 
% 3.52/1.14                 zip_derived_cl1363, zip_derived_cl6])).
% 3.52/1.14  thf(zip_derived_cl1757, plain,
% 3.52/1.14      (![X0 : $i, X1 : $i]:
% 3.52/1.14         ((X1)
% 3.52/1.14           = (multiply @ 
% 3.52/1.14              (double_divide @ (double_divide @ identity @ X1) @ 
% 3.52/1.14               (inverse @ (inverse @ X0))) @ 
% 3.52/1.14              X0))),
% 3.52/1.14      inference('sup+', [status(thm)], [zip_derived_cl3, zip_derived_cl1732])).
% 3.52/1.14  thf(zip_derived_cl1361, plain,
% 3.52/1.14      (![X0 : $i]: ((inverse @ (inverse @ X0)) = (X0))),
% 3.52/1.14      inference('demod', [status(thm)],
% 3.52/1.14                [zip_derived_cl1346, zip_derived_cl1288])).
% 3.52/1.14  thf(zip_derived_cl1288, plain,
% 3.52/1.14      (![X1 : $i]: ((X1) = (double_divide @ identity @ (inverse @ X1)))),
% 3.52/1.14      inference('demod', [status(thm)],
% 3.52/1.14                [zip_derived_cl1276, zip_derived_cl1261])).
% 3.52/1.14  thf(zip_derived_cl1373, plain,
% 3.52/1.14      (![X0 : $i]: ((inverse @ X0) = (double_divide @ identity @ X0))),
% 3.52/1.14      inference('sup+', [status(thm)], [zip_derived_cl1361, zip_derived_cl1288])).
% 3.52/1.14  thf(zip_derived_cl1361, plain,
% 3.52/1.14      (![X0 : $i]: ((inverse @ (inverse @ X0)) = (X0))),
% 3.52/1.14      inference('demod', [status(thm)],
% 3.52/1.14                [zip_derived_cl1346, zip_derived_cl1288])).
% 3.52/1.14  thf(zip_derived_cl1777, plain,
% 3.52/1.14      (![X0 : $i, X1 : $i]:
% 3.52/1.14         ((X1) = (multiply @ (double_divide @ (inverse @ X1) @ X0) @ X0))),
% 3.52/1.14      inference('demod', [status(thm)],
% 3.52/1.14                [zip_derived_cl1757, zip_derived_cl1373, zip_derived_cl1361])).
% 3.52/1.14  thf(zip_derived_cl1291, plain,
% 3.52/1.14      (![X0 : $i, X1 : $i]:
% 3.52/1.14         ((multiply @ (multiply @ X1 @ X0) @ (inverse @ X0)) = (X1))),
% 3.52/1.14      inference('demod', [status(thm)],
% 3.52/1.14                [zip_derived_cl1287, zip_derived_cl767, zip_derived_cl767])).
% 3.52/1.14  thf(zip_derived_cl1795, plain,
% 3.52/1.14      (![X0 : $i, X1 : $i]:
% 3.52/1.14         ((multiply @ X0 @ (inverse @ X1))
% 3.52/1.14           = (double_divide @ (inverse @ X0) @ X1))),
% 3.52/1.14      inference('sup+', [status(thm)], [zip_derived_cl1777, zip_derived_cl1291])).
% 3.52/1.14  thf(zip_derived_cl1361, plain,
% 3.52/1.14      (![X0 : $i]: ((inverse @ (inverse @ X0)) = (X0))),
% 3.52/1.14      inference('demod', [status(thm)],
% 3.52/1.14                [zip_derived_cl1346, zip_derived_cl1288])).
% 3.52/1.14  thf(zip_derived_cl1777, plain,
% 3.52/1.14      (![X0 : $i, X1 : $i]:
% 3.52/1.14         ((X1) = (multiply @ (double_divide @ (inverse @ X1) @ X0) @ X0))),
% 3.52/1.14      inference('demod', [status(thm)],
% 3.52/1.14                [zip_derived_cl1757, zip_derived_cl1373, zip_derived_cl1361])).
% 3.52/1.14  thf(zip_derived_cl1813, plain,
% 3.52/1.14      (![X0 : $i, X1 : $i]:
% 3.52/1.14         ((inverse @ X0) = (multiply @ (double_divide @ X0 @ X1) @ X1))),
% 3.52/1.14      inference('sup+', [status(thm)], [zip_derived_cl1361, zip_derived_cl1777])).
% 3.52/1.14  thf(zip_derived_cl1261, plain,
% 3.52/1.14      (![X1 : $i, X2 : $i]:
% 3.52/1.14         ((multiply @ (multiply @ X1 @ (inverse @ X2)) @ X2) = (X1))),
% 3.52/1.14      inference('demod', [status(thm)],
% 3.52/1.14                [zip_derived_cl45, zip_derived_cl710, zip_derived_cl1, 
% 3.52/1.14                 zip_derived_cl706, zip_derived_cl1])).
% 3.52/1.14  thf(zip_derived_cl1934, plain,
% 3.52/1.14      (![X0 : $i, X1 : $i]:
% 3.52/1.14         ((multiply @ (inverse @ X0) @ X1)
% 3.52/1.14           = (double_divide @ X0 @ (inverse @ X1)))),
% 3.52/1.14      inference('sup+', [status(thm)], [zip_derived_cl1813, zip_derived_cl1261])).
% 3.52/1.14  thf(zip_derived_cl6, plain,
% 3.52/1.14      (![X0 : $i, X1 : $i]:
% 3.52/1.14         ((multiply @ X0 @ X1) = (inverse @ (double_divide @ X1 @ X0)))),
% 3.52/1.14      inference('sup+', [status(thm)], [zip_derived_cl2, zip_derived_cl1])).
% 3.52/1.14  thf(zip_derived_cl706, plain, (((identity) = (inverse @ identity))),
% 3.52/1.14      inference('demod', [status(thm)],
% 3.52/1.14                [zip_derived_cl692, zip_derived_cl3, zip_derived_cl653])).
% 3.52/1.14  thf(zip_derived_cl706, plain, (((identity) = (inverse @ identity))),
% 3.52/1.14      inference('demod', [status(thm)],
% 3.52/1.14                [zip_derived_cl692, zip_derived_cl3, zip_derived_cl653])).
% 3.52/1.14  thf(zip_derived_cl1, plain,
% 3.52/1.14      (![X0 : $i, X1 : $i]:
% 3.52/1.14         ((multiply @ X1 @ X0)
% 3.52/1.14           = (double_divide @ (double_divide @ X0 @ X1) @ identity))),
% 3.52/1.14      inference('cnf', [status(esa)], [multiply])).
% 3.52/1.14  thf(zip_derived_cl706, plain, (((identity) = (inverse @ identity))),
% 3.52/1.14      inference('demod', [status(thm)],
% 3.52/1.14                [zip_derived_cl692, zip_derived_cl3, zip_derived_cl653])).
% 3.52/1.14  thf(zip_derived_cl1, plain,
% 3.52/1.14      (![X0 : $i, X1 : $i]:
% 3.52/1.14         ((multiply @ X1 @ X0)
% 3.52/1.14           = (double_divide @ (double_divide @ X0 @ X1) @ identity))),
% 3.52/1.14      inference('cnf', [status(esa)], [multiply])).
% 3.52/1.14  thf(zip_derived_cl2548, plain,
% 3.52/1.14      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i]:
% 3.52/1.14         ((multiply @ 
% 3.52/1.14           (multiply @ X1 @ 
% 3.52/1.14            (multiply @ (multiply @ X0 @ (multiply @ X3 @ (inverse @ X2))) @ X2)) @ 
% 3.52/1.14           (double_divide @ X3 @ X0)) = (X1))),
% 3.52/1.14      inference('demod', [status(thm)],
% 3.52/1.14                [zip_derived_cl183, zip_derived_cl1795, zip_derived_cl1934, 
% 3.52/1.14                 zip_derived_cl6, zip_derived_cl706, zip_derived_cl706, 
% 3.52/1.14                 zip_derived_cl1, zip_derived_cl706, zip_derived_cl1])).
% 3.52/1.14  thf(zip_derived_cl1291, plain,
% 3.52/1.14      (![X0 : $i, X1 : $i]:
% 3.52/1.14         ((multiply @ (multiply @ X1 @ X0) @ (inverse @ X0)) = (X1))),
% 3.52/1.14      inference('demod', [status(thm)],
% 3.52/1.14                [zip_derived_cl1287, zip_derived_cl767, zip_derived_cl767])).
% 3.52/1.14  thf(zip_derived_cl6, plain,
% 3.52/1.14      (![X0 : $i, X1 : $i]:
% 3.52/1.14         ((multiply @ X0 @ X1) = (inverse @ (double_divide @ X1 @ X0)))),
% 3.52/1.14      inference('sup+', [status(thm)], [zip_derived_cl2, zip_derived_cl1])).
% 3.52/1.14  thf(zip_derived_cl1361, plain,
% 3.52/1.14      (![X0 : $i]: ((inverse @ (inverse @ X0)) = (X0))),
% 3.52/1.14      inference('demod', [status(thm)],
% 3.52/1.14                [zip_derived_cl1346, zip_derived_cl1288])).
% 3.52/1.14  thf(zip_derived_cl1374, plain,
% 3.52/1.14      (![X0 : $i, X1 : $i]:
% 3.52/1.14         ((inverse @ (multiply @ X1 @ X0)) = (double_divide @ X0 @ X1))),
% 3.52/1.14      inference('sup+', [status(thm)], [zip_derived_cl6, zip_derived_cl1361])).
% 3.52/1.14  thf(zip_derived_cl1469, plain,
% 3.52/1.14      (![X0 : $i, X1 : $i]:
% 3.52/1.14         ((inverse @ X0)
% 3.52/1.14           = (double_divide @ (inverse @ X1) @ (multiply @ X0 @ X1)))),
% 3.52/1.14      inference('sup+', [status(thm)], [zip_derived_cl1291, zip_derived_cl1374])).
% 3.52/1.14  thf(zip_derived_cl1777, plain,
% 3.52/1.14      (![X0 : $i, X1 : $i]:
% 3.52/1.14         ((X1) = (multiply @ (double_divide @ (inverse @ X1) @ X0) @ X0))),
% 3.52/1.14      inference('demod', [status(thm)],
% 3.52/1.14                [zip_derived_cl1757, zip_derived_cl1373, zip_derived_cl1361])).
% 3.52/1.14  thf(zip_derived_cl1809, plain,
% 3.52/1.14      (![X0 : $i, X1 : $i]:
% 3.52/1.14         ((X1) = (multiply @ (inverse @ X0) @ (multiply @ X0 @ X1)))),
% 3.52/1.14      inference('sup+', [status(thm)], [zip_derived_cl1469, zip_derived_cl1777])).
% 3.52/1.14  thf(zip_derived_cl1374, plain,
% 3.52/1.14      (![X0 : $i, X1 : $i]:
% 3.52/1.14         ((inverse @ (multiply @ X1 @ X0)) = (double_divide @ X0 @ X1))),
% 3.52/1.14      inference('sup+', [status(thm)], [zip_derived_cl6, zip_derived_cl1361])).
% 3.52/1.14  thf(zip_derived_cl1825, plain,
% 3.52/1.14      (![X0 : $i, X1 : $i]:
% 3.52/1.14         ((inverse @ X0)
% 3.52/1.14           = (double_divide @ (multiply @ X1 @ X0) @ (inverse @ X1)))),
% 3.52/1.14      inference('sup+', [status(thm)], [zip_derived_cl1809, zip_derived_cl1374])).
% 3.52/1.14  thf(zip_derived_cl2556, plain,
% 3.52/1.14      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i]:
% 3.52/1.14         ((inverse @ (double_divide @ X2 @ X3))
% 3.52/1.14           = (double_divide @ X0 @ 
% 3.52/1.14              (inverse @ 
% 3.52/1.14               (multiply @ X0 @ 
% 3.52/1.14                (multiply @ 
% 3.52/1.14                 (multiply @ X3 @ (multiply @ X2 @ (inverse @ X1))) @ X1)))))),
% 3.52/1.14      inference('sup+', [status(thm)], [zip_derived_cl2548, zip_derived_cl1825])).
% 3.52/1.14  thf(zip_derived_cl6, plain,
% 3.52/1.14      (![X0 : $i, X1 : $i]:
% 3.52/1.14         ((multiply @ X0 @ X1) = (inverse @ (double_divide @ X1 @ X0)))),
% 3.52/1.14      inference('sup+', [status(thm)], [zip_derived_cl2, zip_derived_cl1])).
% 3.52/1.14  thf(zip_derived_cl1374, plain,
% 3.52/1.14      (![X0 : $i, X1 : $i]:
% 3.52/1.14         ((inverse @ (multiply @ X1 @ X0)) = (double_divide @ X0 @ X1))),
% 3.52/1.14      inference('sup+', [status(thm)], [zip_derived_cl6, zip_derived_cl1361])).
% 3.52/1.14  thf(zip_derived_cl1288, plain,
% 3.52/1.14      (![X1 : $i]: ((X1) = (double_divide @ identity @ (inverse @ X1)))),
% 3.52/1.14      inference('demod', [status(thm)],
% 3.52/1.14                [zip_derived_cl1276, zip_derived_cl1261])).
% 3.52/1.14  thf(zip_derived_cl1732, plain,
% 3.52/1.14      (![X0 : $i, X1 : $i, X2 : $i]:
% 3.52/1.14         ((X0)
% 3.52/1.14           = (multiply @ 
% 3.52/1.14              (double_divide @ 
% 3.52/1.14               (double_divide @ (double_divide @ X2 @ X1) @ X0) @ 
% 3.52/1.14               (inverse @ X1)) @ 
% 3.52/1.14              X2))),
% 3.52/1.14      inference('demod', [status(thm)],
% 3.52/1.14                [zip_derived_cl109, zip_derived_cl1361, zip_derived_cl706, 
% 3.52/1.14                 zip_derived_cl1363, zip_derived_cl6])).
% 3.52/1.14  thf(zip_derived_cl1765, plain,
% 3.52/1.14      (![X0 : $i, X1 : $i]:
% 3.52/1.14         ((X1)
% 3.52/1.14           = (multiply @ 
% 3.52/1.14              (double_divide @ (double_divide @ X0 @ X1) @ 
% 3.52/1.14               (inverse @ (inverse @ X0))) @ 
% 3.52/1.14              identity))),
% 3.52/1.14      inference('sup+', [status(thm)], [zip_derived_cl1288, zip_derived_cl1732])).
% 3.52/1.14  thf(zip_derived_cl1361, plain,
% 3.52/1.14      (![X0 : $i]: ((inverse @ (inverse @ X0)) = (X0))),
% 3.52/1.14      inference('demod', [status(thm)],
% 3.52/1.14                [zip_derived_cl1346, zip_derived_cl1288])).
% 3.52/1.14  thf(zip_derived_cl706, plain, (((identity) = (inverse @ identity))),
% 3.52/1.14      inference('demod', [status(thm)],
% 3.52/1.14                [zip_derived_cl692, zip_derived_cl3, zip_derived_cl653])).
% 3.52/1.14  thf(zip_derived_cl3, plain,
% 3.52/1.14      (![X0 : $i]: ((identity) = (double_divide @ X0 @ (inverse @ X0)))),
% 3.52/1.14      inference('cnf', [status(esa)], [identity])).
% 3.52/1.14  thf(zip_derived_cl725, plain,
% 3.52/1.14      (((identity) = (double_divide @ identity @ identity))),
% 3.52/1.14      inference('sup+', [status(thm)], [zip_derived_cl706, zip_derived_cl3])).
% 3.52/1.14  thf(zip_derived_cl13, plain,
% 3.52/1.14      (![X0 : $i, X1 : $i, X2 : $i]:
% 3.52/1.14         ((double_divide @ 
% 3.52/1.14           (double_divide @ X1 @ 
% 3.52/1.14            (double_divide @ 
% 3.52/1.14             (double_divide @ (double_divide @ X1 @ X2) @ X0) @ (inverse @ X2))) @ 
% 3.52/1.14           (inverse @ identity)) = (X0))),
% 3.52/1.14      inference('demod', [status(thm)],
% 3.52/1.14                [zip_derived_cl0, zip_derived_cl2, zip_derived_cl2])).
% 3.52/1.14  thf(zip_derived_cl1, plain,
% 3.52/1.14      (![X0 : $i, X1 : $i]:
% 3.52/1.14         ((multiply @ X1 @ X0)
% 3.52/1.14           = (double_divide @ (double_divide @ X0 @ X1) @ identity))),
% 3.52/1.14      inference('cnf', [status(esa)], [multiply])).
% 3.52/1.14  thf(zip_derived_cl15, plain,
% 3.52/1.14      (![X0 : $i, X1 : $i, X2 : $i]:
% 3.52/1.14         ((multiply @ (inverse @ identity) @ 
% 3.52/1.14           (double_divide @ X2 @ 
% 3.52/1.14            (double_divide @ 
% 3.52/1.14             (double_divide @ (double_divide @ X2 @ X1) @ X0) @ (inverse @ X1))))
% 3.52/1.14           = (double_divide @ X0 @ identity))),
% 3.52/1.14      inference('sup+', [status(thm)], [zip_derived_cl13, zip_derived_cl1])).
% 3.52/1.14  thf(zip_derived_cl2, plain,
% 3.52/1.14      (![X0 : $i]: ((inverse @ X0) = (double_divide @ X0 @ identity))),
% 3.52/1.14      inference('cnf', [status(esa)], [inverse])).
% 3.52/1.14  thf(zip_derived_cl28, plain,
% 3.52/1.14      (![X0 : $i, X1 : $i, X2 : $i]:
% 3.52/1.14         ((multiply @ (inverse @ identity) @ 
% 3.52/1.14           (double_divide @ X2 @ 
% 3.52/1.14            (double_divide @ 
% 3.52/1.14             (double_divide @ (double_divide @ X2 @ X1) @ X0) @ (inverse @ X1))))
% 3.52/1.14           = (inverse @ X0))),
% 3.52/1.14      inference('demod', [status(thm)], [zip_derived_cl15, zip_derived_cl2])).
% 3.52/1.14  thf(zip_derived_cl706, plain, (((identity) = (inverse @ identity))),
% 3.52/1.14      inference('demod', [status(thm)],
% 3.52/1.14                [zip_derived_cl692, zip_derived_cl3, zip_derived_cl653])).
% 3.52/1.14  thf(zip_derived_cl11, plain,
% 3.52/1.14      (![X0 : $i, X1 : $i]:
% 3.52/1.14         ((multiply @ identity @ (double_divide @ X0 @ X1))
% 3.52/1.14           = (inverse @ (multiply @ X1 @ X0)))),
% 3.52/1.14      inference('demod', [status(thm)], [zip_derived_cl9, zip_derived_cl2])).
% 3.52/1.14  thf(zip_derived_cl806, plain,
% 3.52/1.14      (![X0 : $i, X1 : $i, X2 : $i]:
% 3.52/1.14         ((inverse @ 
% 3.52/1.14           (multiply @ 
% 3.52/1.14            (double_divide @ 
% 3.52/1.14             (double_divide @ (double_divide @ X2 @ X1) @ X0) @ (inverse @ X1)) @ 
% 3.52/1.14            X2))
% 3.52/1.14           = (inverse @ X0))),
% 3.52/1.14      inference('demod', [status(thm)],
% 3.52/1.14                [zip_derived_cl28, zip_derived_cl706, zip_derived_cl11])).
% 3.52/1.14  thf(zip_derived_cl829, plain,
% 3.52/1.14      (![X0 : $i]:
% 3.52/1.14         ((inverse @ 
% 3.52/1.14           (multiply @ 
% 3.52/1.14            (double_divide @ (double_divide @ identity @ X0) @ 
% 3.52/1.14             (inverse @ identity)) @ 
% 3.52/1.14            identity))
% 3.52/1.14           = (inverse @ X0))),
% 3.52/1.14      inference('sup+', [status(thm)], [zip_derived_cl725, zip_derived_cl806])).
% 3.52/1.14  thf(zip_derived_cl706, plain, (((identity) = (inverse @ identity))),
% 3.52/1.14      inference('demod', [status(thm)],
% 3.52/1.14                [zip_derived_cl692, zip_derived_cl3, zip_derived_cl653])).
% 3.52/1.14  thf(zip_derived_cl1, plain,
% 3.52/1.14      (![X0 : $i, X1 : $i]:
% 3.52/1.14         ((multiply @ X1 @ X0)
% 3.52/1.14           = (double_divide @ (double_divide @ X0 @ X1) @ identity))),
% 3.52/1.14      inference('cnf', [status(esa)], [multiply])).
% 3.52/1.14  thf(zip_derived_cl837, plain,
% 3.52/1.14      (![X0 : $i]:
% 3.52/1.14         ((inverse @ (multiply @ (multiply @ X0 @ identity) @ identity))
% 3.52/1.14           = (inverse @ X0))),
% 3.52/1.14      inference('demod', [status(thm)],
% 3.52/1.14                [zip_derived_cl829, zip_derived_cl706, zip_derived_cl1])).
% 3.52/1.14  thf(zip_derived_cl6, plain,
% 3.52/1.14      (![X0 : $i, X1 : $i]:
% 3.52/1.14         ((multiply @ X0 @ X1) = (inverse @ (double_divide @ X1 @ X0)))),
% 3.52/1.14      inference('sup+', [status(thm)], [zip_derived_cl2, zip_derived_cl1])).
% 3.52/1.14  thf(zip_derived_cl722, plain,
% 3.52/1.14      (![X0 : $i, X1 : $i]:
% 3.52/1.14         ((multiply @ (double_divide @ identity @ (inverse @ X0)) @ X1)
% 3.52/1.14           = (multiply @ X0 @ X1))),
% 3.52/1.14      inference('demod', [status(thm)],
% 3.52/1.14                [zip_derived_cl566, zip_derived_cl706, zip_derived_cl1])).
% 3.52/1.14  thf(zip_derived_cl837, plain,
% 3.52/1.14      (![X0 : $i]:
% 3.52/1.14         ((inverse @ (multiply @ (multiply @ X0 @ identity) @ identity))
% 3.52/1.14           = (inverse @ X0))),
% 3.52/1.14      inference('demod', [status(thm)],
% 3.52/1.14                [zip_derived_cl829, zip_derived_cl706, zip_derived_cl1])).
% 3.52/1.14  thf(zip_derived_cl968, plain,
% 3.52/1.14      (![X0 : $i]:
% 3.52/1.14         ((inverse @ (multiply @ (multiply @ X0 @ identity) @ identity))
% 3.52/1.14           = (inverse @ (double_divide @ identity @ (inverse @ X0))))),
% 3.52/1.14      inference('sup+', [status(thm)], [zip_derived_cl722, zip_derived_cl837])).
% 3.52/1.14  thf(zip_derived_cl837, plain,
% 3.52/1.14      (![X0 : $i]:
% 3.52/1.14         ((inverse @ (multiply @ (multiply @ X0 @ identity) @ identity))
% 3.52/1.14           = (inverse @ X0))),
% 3.52/1.14      inference('demod', [status(thm)],
% 3.52/1.14                [zip_derived_cl829, zip_derived_cl706, zip_derived_cl1])).
% 3.52/1.14  thf(zip_derived_cl6, plain,
% 3.52/1.14      (![X0 : $i, X1 : $i]:
% 3.52/1.14         ((multiply @ X0 @ X1) = (inverse @ (double_divide @ X1 @ X0)))),
% 3.52/1.14      inference('sup+', [status(thm)], [zip_derived_cl2, zip_derived_cl1])).
% 3.52/1.14  thf(zip_derived_cl983, plain,
% 3.52/1.14      (![X0 : $i]: ((inverse @ X0) = (multiply @ (inverse @ X0) @ identity))),
% 3.52/1.14      inference('demod', [status(thm)],
% 3.52/1.14                [zip_derived_cl968, zip_derived_cl837, zip_derived_cl6])).
% 3.52/1.14  thf(zip_derived_cl991, plain,
% 3.52/1.14      (![X0 : $i, X1 : $i]:
% 3.52/1.14         ((inverse @ (double_divide @ X0 @ X1))
% 3.52/1.14           = (multiply @ (multiply @ X1 @ X0) @ identity))),
% 3.52/1.14      inference('sup+', [status(thm)], [zip_derived_cl6, zip_derived_cl983])).
% 3.52/1.14  thf(zip_derived_cl6, plain,
% 3.52/1.14      (![X0 : $i, X1 : $i]:
% 3.52/1.14         ((multiply @ X0 @ X1) = (inverse @ (double_divide @ X1 @ X0)))),
% 3.52/1.14      inference('sup+', [status(thm)], [zip_derived_cl2, zip_derived_cl1])).
% 3.52/1.14  thf(zip_derived_cl996, plain,
% 3.52/1.14      (![X0 : $i, X1 : $i]:
% 3.52/1.14         ((multiply @ X1 @ X0) = (multiply @ (multiply @ X1 @ X0) @ identity))),
% 3.52/1.14      inference('demod', [status(thm)], [zip_derived_cl991, zip_derived_cl6])).
% 3.52/1.14  thf(zip_derived_cl1032, plain,
% 3.52/1.14      (![X0 : $i]: ((inverse @ (multiply @ X0 @ identity)) = (inverse @ X0))),
% 3.52/1.14      inference('demod', [status(thm)], [zip_derived_cl837, zip_derived_cl996])).
% 3.52/1.14  thf(zip_derived_cl722, plain,
% 3.52/1.14      (![X0 : $i, X1 : $i]:
% 3.52/1.14         ((multiply @ (double_divide @ identity @ (inverse @ X0)) @ X1)
% 3.52/1.14           = (multiply @ X0 @ X1))),
% 3.52/1.14      inference('demod', [status(thm)],
% 3.52/1.14                [zip_derived_cl566, zip_derived_cl706, zip_derived_cl1])).
% 3.52/1.14  thf(zip_derived_cl1064, plain,
% 3.52/1.14      (![X0 : $i, X1 : $i]:
% 3.52/1.14         ((multiply @ (double_divide @ identity @ (inverse @ X0)) @ X1)
% 3.52/1.14           = (multiply @ (multiply @ X0 @ identity) @ X1))),
% 3.52/1.14      inference('sup+', [status(thm)], [zip_derived_cl1032, zip_derived_cl722])).
% 3.52/1.14  thf(zip_derived_cl722, plain,
% 3.52/1.14      (![X0 : $i, X1 : $i]:
% 3.52/1.14         ((multiply @ (double_divide @ identity @ (inverse @ X0)) @ X1)
% 3.52/1.14           = (multiply @ X0 @ X1))),
% 3.52/1.14      inference('demod', [status(thm)],
% 3.52/1.14                [zip_derived_cl566, zip_derived_cl706, zip_derived_cl1])).
% 3.52/1.14  thf(zip_derived_cl1089, plain,
% 3.52/1.14      (![X0 : $i, X1 : $i]:
% 3.52/1.14         ((multiply @ X0 @ X1) = (multiply @ (multiply @ X0 @ identity) @ X1))),
% 3.52/1.14      inference('demod', [status(thm)], [zip_derived_cl1064, zip_derived_cl722])).
% 3.52/1.14  thf(zip_derived_cl1261, plain,
% 3.52/1.14      (![X1 : $i, X2 : $i]:
% 3.52/1.14         ((multiply @ (multiply @ X1 @ (inverse @ X2)) @ X2) = (X1))),
% 3.52/1.14      inference('demod', [status(thm)],
% 3.52/1.14                [zip_derived_cl45, zip_derived_cl710, zip_derived_cl1, 
% 3.52/1.14                 zip_derived_cl706, zip_derived_cl1])).
% 3.52/1.14  thf(zip_derived_cl1278, plain,
% 3.52/1.14      (![X0 : $i, X1 : $i]:
% 3.52/1.14         ((multiply @ (multiply @ X1 @ (inverse @ X0)) @ X0)
% 3.52/1.14           = (multiply @ X1 @ identity))),
% 3.52/1.14      inference('sup+', [status(thm)], [zip_derived_cl1089, zip_derived_cl1261])).
% 3.52/1.14  thf(zip_derived_cl1261, plain,
% 3.52/1.14      (![X1 : $i, X2 : $i]:
% 3.52/1.14         ((multiply @ (multiply @ X1 @ (inverse @ X2)) @ X2) = (X1))),
% 3.52/1.14      inference('demod', [status(thm)],
% 3.52/1.14                [zip_derived_cl45, zip_derived_cl710, zip_derived_cl1, 
% 3.52/1.14                 zip_derived_cl706, zip_derived_cl1])).
% 3.52/1.14  thf(zip_derived_cl1289, plain,
% 3.52/1.14      (![X1 : $i]: ((X1) = (multiply @ X1 @ identity))),
% 3.52/1.14      inference('demod', [status(thm)],
% 3.52/1.14                [zip_derived_cl1278, zip_derived_cl1261])).
% 3.52/1.14  thf(zip_derived_cl1784, plain,
% 3.52/1.14      (![X0 : $i, X1 : $i]:
% 3.52/1.14         ((X1) = (double_divide @ (double_divide @ X0 @ X1) @ X0))),
% 3.52/1.14      inference('demod', [status(thm)],
% 3.52/1.14                [zip_derived_cl1765, zip_derived_cl1361, zip_derived_cl1289])).
% 3.52/1.14  thf(zip_derived_cl1784, plain,
% 3.52/1.14      (![X0 : $i, X1 : $i]:
% 3.52/1.14         ((X1) = (double_divide @ (double_divide @ X0 @ X1) @ X0))),
% 3.52/1.14      inference('demod', [status(thm)],
% 3.52/1.14                [zip_derived_cl1765, zip_derived_cl1361, zip_derived_cl1289])).
% 3.52/1.14  thf(zip_derived_cl1893, plain,
% 3.52/1.14      (![X0 : $i, X1 : $i]:
% 3.52/1.14         ((X1) = (double_divide @ X0 @ (double_divide @ X1 @ X0)))),
% 3.52/1.14      inference('sup+', [status(thm)], [zip_derived_cl1784, zip_derived_cl1784])).
% 3.52/1.14  thf(zip_derived_cl2649, plain,
% 3.52/1.14      (![X1 : $i, X2 : $i, X3 : $i]:
% 3.52/1.14         ((multiply @ X3 @ X2)
% 3.52/1.14           = (multiply @ (multiply @ X3 @ (multiply @ X2 @ (inverse @ X1))) @ 
% 3.52/1.14              X1))),
% 3.52/1.14      inference('demod', [status(thm)],
% 3.52/1.14                [zip_derived_cl2556, zip_derived_cl6, zip_derived_cl1374, 
% 3.52/1.14                 zip_derived_cl1893])).
% 3.52/1.14  thf(zip_derived_cl4345, plain,
% 3.52/1.14      (![X0 : $i, X1 : $i, X2 : $i]:
% 3.52/1.14         ((multiply @ X2 @ (multiply @ X0 @ X1))
% 3.52/1.14           = (multiply @ (multiply @ X2 @ X0) @ X1))),
% 3.52/1.14      inference('sup+', [status(thm)], [zip_derived_cl1291, zip_derived_cl2649])).
% 3.52/1.14  thf(zip_derived_cl4398, plain,
% 3.52/1.14      (((multiply @ a3 @ (multiply @ b3 @ c3))
% 3.52/1.14         != (multiply @ a3 @ (multiply @ b3 @ c3)))),
% 3.52/1.14      inference('demod', [status(thm)],
% 3.52/1.14                [zip_derived_cl1365, zip_derived_cl4345])).
% 3.52/1.14  thf(zip_derived_cl4399, plain, ($false),
% 3.52/1.14      inference('simplify', [status(thm)], [zip_derived_cl4398])).
% 3.52/1.14  
% 3.52/1.14  % SZS output end Refutation
% 3.52/1.14  
% 3.52/1.14  
% 3.52/1.14  % Terminating...
% 4.37/1.24  % Runner terminated.
% 4.37/1.25  % Zipperpin 1.5 exiting
%------------------------------------------------------------------------------