TSTP Solution File: GRP067-1 by Zipperpin---2.1.9999

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Zipperpin---2.1.9999
% Problem  : GRP067-1 : 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.Gw4WkFBtD9 true

% Computer : n023.cluster.edu
% Model    : x86_64 x86_64
% CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 2.10GHz
% Memory   : 8042.1875MB
% OS       : Linux 3.10.0-693.el7.x86_64
% CPULimit : 300s
% WCLimit  : 300s
% DateTime : Thu Aug 31 01:49:47 EDT 2023

% Result   : Unsatisfiable 0.55s 0.88s
% Output   : Refutation 0.55s
% Verified : 
% SZS Type : -

% Comments : 
%------------------------------------------------------------------------------
%----WARNING: Could not form TPTP format derivation
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.03/0.12  % Problem  : GRP067-1 : TPTP v8.1.2. Bugfixed v2.3.0.
% 0.03/0.13  % Command  : python3 /export/starexec/sandbox2/solver/bin/portfolio.lams.parallel.py %s %d /export/starexec/sandbox2/tmp/tmp.Gw4WkFBtD9 true
% 0.12/0.33  % Computer : n023.cluster.edu
% 0.12/0.33  % Model    : x86_64 x86_64
% 0.12/0.33  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.12/0.33  % Memory   : 8042.1875MB
% 0.12/0.33  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.12/0.33  % CPULimit : 300
% 0.12/0.33  % WCLimit  : 300
% 0.12/0.33  % DateTime : Tue Aug 29 00:08:10 EDT 2023
% 0.12/0.34  % CPUTime  : 
% 0.12/0.34  % Running portfolio for 300 s
% 0.12/0.34  % File         : /export/starexec/sandbox2/benchmark/theBenchmark.p
% 0.12/0.34  % Number of cores: 8
% 0.12/0.34  % Python version: Python 3.6.8
% 0.12/0.34  % Running in FO mode
% 0.49/0.61  % Total configuration time : 435
% 0.49/0.61  % Estimated wc time : 1092
% 0.49/0.61  % Estimated cpu time (7 cpus) : 156.0
% 0.54/0.68  % /export/starexec/sandbox2/solver/bin/fo/fo6_bce.sh running for 75s
% 0.54/0.71  % /export/starexec/sandbox2/solver/bin/fo/fo3_bce.sh running for 75s
% 0.54/0.71  % /export/starexec/sandbox2/solver/bin/fo/fo1_av.sh running for 75s
% 0.54/0.74  % /export/starexec/sandbox2/solver/bin/fo/fo13.sh running for 50s
% 0.54/0.74  % /export/starexec/sandbox2/solver/bin/fo/fo7.sh running for 63s
% 0.54/0.74  % /export/starexec/sandbox2/solver/bin/fo/fo5.sh running for 50s
% 0.54/0.74  % /export/starexec/sandbox2/solver/bin/fo/fo4.sh running for 50s
% 0.55/0.88  % Solved by fo/fo4.sh.
% 0.55/0.88  % done 174 iterations in 0.103s
% 0.55/0.88  % SZS status Theorem for '/export/starexec/sandbox2/benchmark/theBenchmark.p'
% 0.55/0.88  % SZS output start Refutation
% 0.55/0.88  thf(a3_type, type, a3: $i).
% 0.55/0.88  thf(multiply_type, type, multiply: $i > $i > $i).
% 0.55/0.88  thf(identity_type, type, identity: $i).
% 0.55/0.88  thf(c3_type, type, c3: $i).
% 0.55/0.88  thf(a2_type, type, a2: $i).
% 0.55/0.88  thf(a1_type, type, a1: $i).
% 0.55/0.88  thf(divide_type, type, divide: $i > $i > $i).
% 0.55/0.88  thf(inverse_type, type, inverse: $i > $i).
% 0.55/0.88  thf(b3_type, type, b3: $i).
% 0.55/0.88  thf(prove_these_axioms, conjecture,
% 0.55/0.88    (~( ( ( multiply @ ( multiply @ a3 @ b3 ) @ c3 ) !=
% 0.55/0.88          ( multiply @ a3 @ ( multiply @ b3 @ c3 ) ) ) | 
% 0.55/0.88        ( ( multiply @ identity @ a2 ) != ( a2 ) ) | 
% 0.55/0.88        ( ( multiply @ ( inverse @ a1 ) @ a1 ) != ( identity ) ) ))).
% 0.55/0.88  thf(zf_stmt_0, negated_conjecture,
% 0.55/0.88    (( ( multiply @ ( multiply @ a3 @ b3 ) @ c3 ) !=
% 0.55/0.88       ( multiply @ a3 @ ( multiply @ b3 @ c3 ) ) ) | 
% 0.55/0.88     ( ( multiply @ identity @ a2 ) != ( a2 ) ) | 
% 0.55/0.88     ( ( multiply @ ( inverse @ a1 ) @ a1 ) != ( identity ) )),
% 0.55/0.88    inference('cnf.neg', [status(esa)], [prove_these_axioms])).
% 0.55/0.88  thf(zip_derived_cl4, plain,
% 0.55/0.88      ((((multiply @ (multiply @ a3 @ b3) @ c3)
% 0.55/0.88          != (multiply @ a3 @ (multiply @ b3 @ c3)))
% 0.55/0.88        | ((multiply @ identity @ a2) != (a2))
% 0.55/0.88        | ((multiply @ (inverse @ a1) @ a1) != (identity)))),
% 0.55/0.88      inference('cnf', [status(esa)], [zf_stmt_0])).
% 0.55/0.88  thf(inverse, axiom, (( inverse @ X ) = ( divide @ identity @ X ))).
% 0.55/0.88  thf(zip_derived_cl2, plain,
% 0.55/0.88      (![X0 : $i]: ((inverse @ X0) = (divide @ identity @ X0))),
% 0.55/0.88      inference('cnf', [status(esa)], [inverse])).
% 0.55/0.88  thf(zip_derived_cl5, plain,
% 0.55/0.88      ((((multiply @ (multiply @ a3 @ b3) @ c3)
% 0.55/0.88          != (multiply @ a3 @ (multiply @ b3 @ c3)))
% 0.55/0.88        | ((multiply @ identity @ a2) != (a2))
% 0.55/0.88        | ((multiply @ (divide @ identity @ a1) @ a1) != (identity)))),
% 0.55/0.88      inference('demod', [status(thm)], [zip_derived_cl4, zip_derived_cl2])).
% 0.55/0.88  thf(identity, axiom, (( identity ) = ( divide @ X @ X ))).
% 0.55/0.88  thf(zip_derived_cl3, plain, (![X0 : $i]: ((identity) = (divide @ X0 @ X0))),
% 0.55/0.88      inference('cnf', [status(esa)], [identity])).
% 0.55/0.88  thf(multiply, axiom,
% 0.55/0.88    (( multiply @ X @ Y ) = ( divide @ X @ ( divide @ identity @ Y ) ))).
% 0.55/0.88  thf(zip_derived_cl1, plain,
% 0.55/0.88      (![X0 : $i, X1 : $i]:
% 0.55/0.88         ((multiply @ X0 @ X1) = (divide @ X0 @ (divide @ identity @ X1)))),
% 0.55/0.88      inference('cnf', [status(esa)], [multiply])).
% 0.55/0.88  thf(zip_derived_cl7, plain,
% 0.55/0.88      (![X0 : $i]: ((multiply @ (divide @ identity @ X0) @ X0) = (identity))),
% 0.55/0.88      inference('sup+', [status(thm)], [zip_derived_cl3, zip_derived_cl1])).
% 0.55/0.88  thf(zip_derived_cl30, plain,
% 0.55/0.88      ((((multiply @ (multiply @ a3 @ b3) @ c3)
% 0.55/0.88          != (multiply @ a3 @ (multiply @ b3 @ c3)))
% 0.55/0.88        | ((multiply @ identity @ a2) != (a2))
% 0.55/0.88        | ((identity) != (identity)))),
% 0.55/0.88      inference('demod', [status(thm)], [zip_derived_cl5, zip_derived_cl7])).
% 0.55/0.88  thf(zip_derived_cl31, plain,
% 0.55/0.88      ((((multiply @ identity @ a2) != (a2))
% 0.55/0.88        | ((multiply @ (multiply @ a3 @ b3) @ c3)
% 0.55/0.88            != (multiply @ a3 @ (multiply @ b3 @ c3))))),
% 0.55/0.88      inference('simplify', [status(thm)], [zip_derived_cl30])).
% 0.55/0.88  thf(zip_derived_cl1, plain,
% 0.55/0.88      (![X0 : $i, X1 : $i]:
% 0.55/0.88         ((multiply @ X0 @ X1) = (divide @ X0 @ (divide @ identity @ X1)))),
% 0.55/0.88      inference('cnf', [status(esa)], [multiply])).
% 0.55/0.88  thf(zip_derived_cl1, plain,
% 0.55/0.88      (![X0 : $i, X1 : $i]:
% 0.55/0.88         ((multiply @ X0 @ X1) = (divide @ X0 @ (divide @ identity @ X1)))),
% 0.55/0.88      inference('cnf', [status(esa)], [multiply])).
% 0.55/0.88  thf(zip_derived_cl6, plain,
% 0.55/0.88      (![X0 : $i, X1 : $i]:
% 0.55/0.88         ((multiply @ X1 @ (divide @ identity @ X0))
% 0.55/0.88           = (divide @ X1 @ (multiply @ identity @ X0)))),
% 0.55/0.88      inference('sup+', [status(thm)], [zip_derived_cl1, zip_derived_cl1])).
% 0.55/0.88  thf(zip_derived_cl6, plain,
% 0.55/0.88      (![X0 : $i, X1 : $i]:
% 0.55/0.88         ((multiply @ X1 @ (divide @ identity @ X0))
% 0.55/0.88           = (divide @ X1 @ (multiply @ identity @ X0)))),
% 0.55/0.88      inference('sup+', [status(thm)], [zip_derived_cl1, zip_derived_cl1])).
% 0.55/0.88  thf(zip_derived_cl1, plain,
% 0.55/0.88      (![X0 : $i, X1 : $i]:
% 0.55/0.88         ((multiply @ X0 @ X1) = (divide @ X0 @ (divide @ identity @ X1)))),
% 0.55/0.88      inference('cnf', [status(esa)], [multiply])).
% 0.55/0.88  thf(single_axiom, axiom,
% 0.55/0.88    (( divide @
% 0.55/0.88       ( divide @
% 0.55/0.88         ( divide @ X @ X ) @ 
% 0.55/0.88         ( divide @
% 0.55/0.88           X @ ( divide @ Y @ ( divide @ ( divide @ identity @ X ) @ Z ) ) ) ) @ 
% 0.55/0.88       Z ) =
% 0.55/0.88     ( Y ))).
% 0.55/0.88  thf(zip_derived_cl0, plain,
% 0.55/0.88      (![X0 : $i, X1 : $i, X2 : $i]:
% 0.55/0.88         ((divide @ 
% 0.55/0.88           (divide @ (divide @ X1 @ X1) @ 
% 0.55/0.88            (divide @ X1 @ 
% 0.55/0.88             (divide @ X0 @ (divide @ (divide @ identity @ X1) @ X2)))) @ 
% 0.55/0.88           X2) = (X0))),
% 0.55/0.88      inference('cnf', [status(esa)], [single_axiom])).
% 0.55/0.88  thf(zip_derived_cl3, plain, (![X0 : $i]: ((identity) = (divide @ X0 @ X0))),
% 0.55/0.88      inference('cnf', [status(esa)], [identity])).
% 0.55/0.88  thf(zip_derived_cl10, plain,
% 0.55/0.88      (![X0 : $i, X1 : $i, X2 : $i]:
% 0.55/0.88         ((divide @ 
% 0.55/0.88           (divide @ identity @ 
% 0.55/0.88            (divide @ X1 @ 
% 0.55/0.88             (divide @ X0 @ (divide @ (divide @ identity @ X1) @ X2)))) @ 
% 0.55/0.88           X2) = (X0))),
% 0.55/0.88      inference('demod', [status(thm)], [zip_derived_cl0, zip_derived_cl3])).
% 0.55/0.88  thf(zip_derived_cl14, plain,
% 0.55/0.88      (![X0 : $i, X1 : $i]:
% 0.55/0.88         ((divide @ 
% 0.55/0.88           (multiply @ identity @ 
% 0.55/0.88            (divide @ X1 @ (divide @ (divide @ identity @ identity) @ X0))) @ 
% 0.55/0.88           X0) = (X1))),
% 0.55/0.88      inference('sup+', [status(thm)], [zip_derived_cl1, zip_derived_cl10])).
% 0.55/0.88  thf(zip_derived_cl3, plain, (![X0 : $i]: ((identity) = (divide @ X0 @ X0))),
% 0.55/0.88      inference('cnf', [status(esa)], [identity])).
% 0.55/0.88  thf(zip_derived_cl1, plain,
% 0.55/0.88      (![X0 : $i, X1 : $i]:
% 0.55/0.88         ((multiply @ X0 @ X1) = (divide @ X0 @ (divide @ identity @ X1)))),
% 0.55/0.88      inference('cnf', [status(esa)], [multiply])).
% 0.55/0.88  thf(zip_derived_cl23, plain,
% 0.55/0.88      (![X0 : $i, X1 : $i]:
% 0.55/0.88         ((divide @ (multiply @ identity @ (multiply @ X1 @ X0)) @ X0) = (X1))),
% 0.55/0.88      inference('demod', [status(thm)],
% 0.55/0.88                [zip_derived_cl14, zip_derived_cl3, zip_derived_cl1])).
% 0.55/0.88  thf(zip_derived_cl1, plain,
% 0.55/0.88      (![X0 : $i, X1 : $i]:
% 0.55/0.88         ((multiply @ X0 @ X1) = (divide @ X0 @ (divide @ identity @ X1)))),
% 0.55/0.88      inference('cnf', [status(esa)], [multiply])).
% 0.55/0.88  thf(zip_derived_cl51, plain,
% 0.55/0.88      (![X0 : $i, X1 : $i]:
% 0.55/0.88         ((multiply @ 
% 0.55/0.88           (multiply @ identity @ (multiply @ X0 @ (divide @ identity @ X1))) @ 
% 0.55/0.88           X1) = (X0))),
% 0.55/0.88      inference('sup+', [status(thm)], [zip_derived_cl23, zip_derived_cl1])).
% 0.55/0.88  thf(zip_derived_cl6, plain,
% 0.55/0.88      (![X0 : $i, X1 : $i]:
% 0.55/0.88         ((multiply @ X1 @ (divide @ identity @ X0))
% 0.55/0.88           = (divide @ X1 @ (multiply @ identity @ X0)))),
% 0.55/0.88      inference('sup+', [status(thm)], [zip_derived_cl1, zip_derived_cl1])).
% 0.55/0.88  thf(zip_derived_cl60, plain,
% 0.55/0.88      (![X0 : $i, X1 : $i]:
% 0.55/0.88         ((multiply @ 
% 0.55/0.88           (multiply @ identity @ (divide @ X0 @ (multiply @ identity @ X1))) @ 
% 0.55/0.88           X1) = (X0))),
% 0.55/0.88      inference('demod', [status(thm)], [zip_derived_cl51, zip_derived_cl6])).
% 0.55/0.88  thf(zip_derived_cl95, plain,
% 0.55/0.88      (![X0 : $i]:
% 0.55/0.88         ((multiply @ 
% 0.55/0.88           (divide @ identity @ 
% 0.55/0.88            (multiply @ identity @ (multiply @ identity @ X0))) @ 
% 0.55/0.88           X0) = (identity))),
% 0.55/0.88      inference('sup+', [status(thm)], [zip_derived_cl6, zip_derived_cl60])).
% 0.55/0.88  thf(zip_derived_cl23, plain,
% 0.55/0.88      (![X0 : $i, X1 : $i]:
% 0.55/0.88         ((divide @ (multiply @ identity @ (multiply @ X1 @ X0)) @ X0) = (X1))),
% 0.55/0.88      inference('demod', [status(thm)],
% 0.55/0.88                [zip_derived_cl14, zip_derived_cl3, zip_derived_cl1])).
% 0.55/0.88  thf(zip_derived_cl109, plain,
% 0.55/0.88      (![X0 : $i]:
% 0.55/0.88         ((divide @ (multiply @ identity @ identity) @ X0)
% 0.55/0.88           = (divide @ identity @ 
% 0.55/0.88              (multiply @ identity @ (multiply @ identity @ X0))))),
% 0.55/0.88      inference('sup+', [status(thm)], [zip_derived_cl95, zip_derived_cl23])).
% 0.55/0.88  thf(zip_derived_cl3, plain, (![X0 : $i]: ((identity) = (divide @ X0 @ X0))),
% 0.55/0.88      inference('cnf', [status(esa)], [identity])).
% 0.55/0.88  thf(zip_derived_cl7, plain,
% 0.55/0.88      (![X0 : $i]: ((multiply @ (divide @ identity @ X0) @ X0) = (identity))),
% 0.55/0.88      inference('sup+', [status(thm)], [zip_derived_cl3, zip_derived_cl1])).
% 0.55/0.88  thf(zip_derived_cl34, plain,
% 0.55/0.88      (((multiply @ identity @ identity) = (identity))),
% 0.55/0.88      inference('sup+', [status(thm)], [zip_derived_cl3, zip_derived_cl7])).
% 0.55/0.88  thf(zip_derived_cl120, plain,
% 0.55/0.88      (![X0 : $i]:
% 0.55/0.88         ((divide @ identity @ X0)
% 0.55/0.88           = (divide @ identity @ 
% 0.55/0.88              (multiply @ identity @ (multiply @ identity @ X0))))),
% 0.55/0.88      inference('demod', [status(thm)], [zip_derived_cl109, zip_derived_cl34])).
% 0.55/0.88  thf(zip_derived_cl1, plain,
% 0.55/0.88      (![X0 : $i, X1 : $i]:
% 0.55/0.88         ((multiply @ X0 @ X1) = (divide @ X0 @ (divide @ identity @ X1)))),
% 0.55/0.88      inference('cnf', [status(esa)], [multiply])).
% 0.55/0.88  thf(zip_derived_cl125, plain,
% 0.55/0.88      (![X0 : $i, X1 : $i]:
% 0.55/0.88         ((multiply @ X1 @ (multiply @ identity @ (multiply @ identity @ X0)))
% 0.55/0.88           = (divide @ X1 @ (divide @ identity @ X0)))),
% 0.55/0.88      inference('sup+', [status(thm)], [zip_derived_cl120, zip_derived_cl1])).
% 0.55/0.88  thf(zip_derived_cl1, plain,
% 0.55/0.88      (![X0 : $i, X1 : $i]:
% 0.55/0.88         ((multiply @ X0 @ X1) = (divide @ X0 @ (divide @ identity @ X1)))),
% 0.55/0.88      inference('cnf', [status(esa)], [multiply])).
% 0.55/0.88  thf(zip_derived_cl139, plain,
% 0.55/0.88      (![X0 : $i, X1 : $i]:
% 0.55/0.88         ((multiply @ X1 @ (multiply @ identity @ (multiply @ identity @ X0)))
% 0.55/0.88           = (multiply @ X1 @ X0))),
% 0.55/0.88      inference('demod', [status(thm)], [zip_derived_cl125, zip_derived_cl1])).
% 0.55/0.88  thf(zip_derived_cl3, plain, (![X0 : $i]: ((identity) = (divide @ X0 @ X0))),
% 0.55/0.88      inference('cnf', [status(esa)], [identity])).
% 0.55/0.88  thf(zip_derived_cl1, plain,
% 0.55/0.88      (![X0 : $i, X1 : $i]:
% 0.55/0.88         ((multiply @ X0 @ X1) = (divide @ X0 @ (divide @ identity @ X1)))),
% 0.55/0.88      inference('cnf', [status(esa)], [multiply])).
% 0.55/0.88  thf(zip_derived_cl8, plain,
% 0.55/0.88      (![X0 : $i]: ((multiply @ X0 @ identity) = (divide @ X0 @ identity))),
% 0.55/0.88      inference('sup+', [status(thm)], [zip_derived_cl3, zip_derived_cl1])).
% 0.55/0.88  thf(zip_derived_cl23, plain,
% 0.55/0.88      (![X0 : $i, X1 : $i]:
% 0.55/0.88         ((divide @ (multiply @ identity @ (multiply @ X1 @ X0)) @ X0) = (X1))),
% 0.55/0.88      inference('demod', [status(thm)],
% 0.55/0.88                [zip_derived_cl14, zip_derived_cl3, zip_derived_cl1])).
% 0.55/0.88  thf(zip_derived_cl53, plain,
% 0.55/0.88      (![X0 : $i]:
% 0.55/0.88         ((divide @ (multiply @ identity @ (divide @ X0 @ identity)) @ identity)
% 0.55/0.88           = (X0))),
% 0.55/0.88      inference('sup+', [status(thm)], [zip_derived_cl8, zip_derived_cl23])).
% 0.55/0.88  thf(zip_derived_cl53, plain,
% 0.55/0.88      (![X0 : $i]:
% 0.55/0.88         ((divide @ (multiply @ identity @ (divide @ X0 @ identity)) @ identity)
% 0.55/0.88           = (X0))),
% 0.55/0.88      inference('sup+', [status(thm)], [zip_derived_cl8, zip_derived_cl23])).
% 0.55/0.88  thf(zip_derived_cl53, plain,
% 0.55/0.88      (![X0 : $i]:
% 0.55/0.88         ((divide @ (multiply @ identity @ (divide @ X0 @ identity)) @ identity)
% 0.55/0.88           = (X0))),
% 0.55/0.88      inference('sup+', [status(thm)], [zip_derived_cl8, zip_derived_cl23])).
% 0.55/0.88  thf(zip_derived_cl61, plain,
% 0.55/0.88      (![X0 : $i]:
% 0.55/0.88         ((divide @ (multiply @ identity @ X0) @ identity)
% 0.55/0.88           = (multiply @ identity @ (divide @ X0 @ identity)))),
% 0.55/0.88      inference('sup+', [status(thm)], [zip_derived_cl53, zip_derived_cl53])).
% 0.55/0.88  thf(zip_derived_cl70, plain,
% 0.55/0.88      (![X0 : $i]:
% 0.55/0.88         ((divide @ (divide @ (multiply @ identity @ X0) @ identity) @ identity)
% 0.55/0.88           = (X0))),
% 0.55/0.88      inference('demod', [status(thm)], [zip_derived_cl53, zip_derived_cl61])).
% 0.55/0.88  thf(zip_derived_cl144, plain,
% 0.55/0.88      (![X0 : $i]:
% 0.55/0.88         ((divide @ (divide @ (multiply @ identity @ X0) @ identity) @ identity)
% 0.55/0.88           = (multiply @ identity @ (multiply @ identity @ X0)))),
% 0.55/0.88      inference('sup+', [status(thm)], [zip_derived_cl139, zip_derived_cl70])).
% 0.55/0.88  thf(zip_derived_cl70, plain,
% 0.55/0.88      (![X0 : $i]:
% 0.55/0.88         ((divide @ (divide @ (multiply @ identity @ X0) @ identity) @ identity)
% 0.55/0.88           = (X0))),
% 0.55/0.88      inference('demod', [status(thm)], [zip_derived_cl53, zip_derived_cl61])).
% 0.55/0.88  thf(zip_derived_cl165, plain,
% 0.55/0.88      (![X0 : $i]: ((X0) = (multiply @ identity @ (multiply @ identity @ X0)))),
% 0.55/0.88      inference('demod', [status(thm)], [zip_derived_cl144, zip_derived_cl70])).
% 0.55/0.88  thf(zip_derived_cl70, plain,
% 0.55/0.88      (![X0 : $i]:
% 0.55/0.88         ((divide @ (divide @ (multiply @ identity @ X0) @ identity) @ identity)
% 0.55/0.88           = (X0))),
% 0.55/0.88      inference('demod', [status(thm)], [zip_derived_cl53, zip_derived_cl61])).
% 0.55/0.88  thf(zip_derived_cl171, plain,
% 0.55/0.88      (![X0 : $i]:
% 0.55/0.88         ((divide @ (divide @ X0 @ identity) @ identity)
% 0.55/0.88           = (multiply @ identity @ X0))),
% 0.55/0.88      inference('sup+', [status(thm)], [zip_derived_cl165, zip_derived_cl70])).
% 0.55/0.88  thf(zip_derived_cl3, plain, (![X0 : $i]: ((identity) = (divide @ X0 @ X0))),
% 0.55/0.88      inference('cnf', [status(esa)], [identity])).
% 0.55/0.88  thf(zip_derived_cl10, plain,
% 0.55/0.88      (![X0 : $i, X1 : $i, X2 : $i]:
% 0.55/0.88         ((divide @ 
% 0.55/0.88           (divide @ identity @ 
% 0.55/0.88            (divide @ X1 @ 
% 0.55/0.88             (divide @ X0 @ (divide @ (divide @ identity @ X1) @ X2)))) @ 
% 0.55/0.88           X2) = (X0))),
% 0.55/0.88      inference('demod', [status(thm)], [zip_derived_cl0, zip_derived_cl3])).
% 0.55/0.88  thf(zip_derived_cl10, plain,
% 0.55/0.88      (![X0 : $i, X1 : $i, X2 : $i]:
% 0.55/0.88         ((divide @ 
% 0.55/0.88           (divide @ identity @ 
% 0.55/0.88            (divide @ X1 @ 
% 0.55/0.88             (divide @ X0 @ (divide @ (divide @ identity @ X1) @ X2)))) @ 
% 0.55/0.88           X2) = (X0))),
% 0.55/0.88      inference('demod', [status(thm)], [zip_derived_cl0, zip_derived_cl3])).
% 0.55/0.88  thf(zip_derived_cl11, plain,
% 0.55/0.88      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i]:
% 0.55/0.88         ((divide @ (divide @ identity @ (divide @ X2 @ X0)) @ X1)
% 0.55/0.88           = (divide @ identity @ 
% 0.55/0.88              (divide @ X3 @ 
% 0.55/0.88               (divide @ X0 @ 
% 0.55/0.88                (divide @ (divide @ identity @ X3) @ 
% 0.55/0.88                 (divide @ (divide @ identity @ X2) @ X1))))))),
% 0.55/0.88      inference('sup+', [status(thm)], [zip_derived_cl10, zip_derived_cl10])).
% 0.55/0.88  thf(zip_derived_cl232, plain,
% 0.55/0.88      (![X0 : $i, X1 : $i, X2 : $i]:
% 0.55/0.88         ((divide @ 
% 0.55/0.88           (divide @ identity @ 
% 0.55/0.88            (divide @ X1 @ 
% 0.55/0.88             (divide @ (divide @ identity @ X2) @ 
% 0.55/0.88              (divide @ (divide @ identity @ X1) @ X0)))) @ 
% 0.55/0.88           X0) = (divide @ identity @ (divide @ X2 @ identity)))),
% 0.55/0.88      inference('sup+', [status(thm)], [zip_derived_cl3, zip_derived_cl11])).
% 0.55/0.88  thf(zip_derived_cl10, plain,
% 0.55/0.88      (![X0 : $i, X1 : $i, X2 : $i]:
% 0.55/0.88         ((divide @ 
% 0.55/0.88           (divide @ identity @ 
% 0.55/0.88            (divide @ X1 @ 
% 0.55/0.88             (divide @ X0 @ (divide @ (divide @ identity @ X1) @ X2)))) @ 
% 0.55/0.88           X2) = (X0))),
% 0.55/0.88      inference('demod', [status(thm)], [zip_derived_cl0, zip_derived_cl3])).
% 0.55/0.88  thf(zip_derived_cl248, plain,
% 0.55/0.88      (![X2 : $i]:
% 0.55/0.88         ((divide @ identity @ X2)
% 0.55/0.88           = (divide @ identity @ (divide @ X2 @ identity)))),
% 0.55/0.88      inference('demod', [status(thm)], [zip_derived_cl232, zip_derived_cl10])).
% 0.55/0.88  thf(zip_derived_cl7, plain,
% 0.55/0.88      (![X0 : $i]: ((multiply @ (divide @ identity @ X0) @ X0) = (identity))),
% 0.55/0.88      inference('sup+', [status(thm)], [zip_derived_cl3, zip_derived_cl1])).
% 0.55/0.88  thf(zip_derived_cl295, plain,
% 0.55/0.88      (![X0 : $i]:
% 0.55/0.88         ((multiply @ (divide @ identity @ X0) @ (divide @ X0 @ identity))
% 0.55/0.88           = (identity))),
% 0.55/0.88      inference('sup+', [status(thm)], [zip_derived_cl248, zip_derived_cl7])).
% 0.55/0.88  thf(zip_derived_cl317, plain,
% 0.55/0.88      (![X0 : $i]:
% 0.55/0.88         ((multiply @ (divide @ identity @ (divide @ X0 @ identity)) @ 
% 0.55/0.88           (multiply @ identity @ X0)) = (identity))),
% 0.55/0.88      inference('sup+', [status(thm)], [zip_derived_cl171, zip_derived_cl295])).
% 0.55/0.88  thf(zip_derived_cl248, plain,
% 0.55/0.88      (![X2 : $i]:
% 0.55/0.88         ((divide @ identity @ X2)
% 0.55/0.88           = (divide @ identity @ (divide @ X2 @ identity)))),
% 0.55/0.88      inference('demod', [status(thm)], [zip_derived_cl232, zip_derived_cl10])).
% 0.55/0.88  thf(zip_derived_cl326, plain,
% 0.55/0.88      (![X0 : $i]:
% 0.55/0.88         ((multiply @ (divide @ identity @ X0) @ (multiply @ identity @ X0))
% 0.55/0.88           = (identity))),
% 0.55/0.88      inference('demod', [status(thm)], [zip_derived_cl317, zip_derived_cl248])).
% 0.55/0.88  thf(zip_derived_cl334, plain,
% 0.55/0.88      (![X0 : $i]:
% 0.55/0.88         ((multiply @ (divide @ identity @ (divide @ identity @ X0)) @ 
% 0.55/0.88           (divide @ identity @ (multiply @ identity @ X0))) = (identity))),
% 0.55/0.88      inference('sup+', [status(thm)], [zip_derived_cl6, zip_derived_cl326])).
% 0.55/0.88  thf(zip_derived_cl1, plain,
% 0.55/0.88      (![X0 : $i, X1 : $i]:
% 0.55/0.88         ((multiply @ X0 @ X1) = (divide @ X0 @ (divide @ identity @ X1)))),
% 0.55/0.88      inference('cnf', [status(esa)], [multiply])).
% 0.55/0.88  thf(zip_derived_cl6, plain,
% 0.55/0.88      (![X0 : $i, X1 : $i]:
% 0.55/0.88         ((multiply @ X1 @ (divide @ identity @ X0))
% 0.55/0.88           = (divide @ X1 @ (multiply @ identity @ X0)))),
% 0.55/0.88      inference('sup+', [status(thm)], [zip_derived_cl1, zip_derived_cl1])).
% 0.55/0.88  thf(zip_derived_cl165, plain,
% 0.55/0.88      (![X0 : $i]: ((X0) = (multiply @ identity @ (multiply @ identity @ X0)))),
% 0.55/0.88      inference('demod', [status(thm)], [zip_derived_cl144, zip_derived_cl70])).
% 0.55/0.88  thf(zip_derived_cl345, plain,
% 0.55/0.88      (![X0 : $i]: ((divide @ (multiply @ identity @ X0) @ X0) = (identity))),
% 0.55/0.88      inference('demod', [status(thm)],
% 0.55/0.88                [zip_derived_cl334, zip_derived_cl1, zip_derived_cl6, 
% 0.55/0.88                 zip_derived_cl165])).
% 0.55/0.88  thf(zip_derived_cl60, plain,
% 0.55/0.88      (![X0 : $i, X1 : $i]:
% 0.55/0.88         ((multiply @ 
% 0.55/0.88           (multiply @ identity @ (divide @ X0 @ (multiply @ identity @ X1))) @ 
% 0.55/0.88           X1) = (X0))),
% 0.55/0.88      inference('demod', [status(thm)], [zip_derived_cl51, zip_derived_cl6])).
% 0.55/0.88  thf(zip_derived_cl362, plain,
% 0.55/0.88      (![X0 : $i]:
% 0.55/0.88         ((multiply @ (multiply @ identity @ identity) @ X0)
% 0.55/0.88           = (multiply @ identity @ (multiply @ identity @ X0)))),
% 0.55/0.88      inference('sup+', [status(thm)], [zip_derived_cl345, zip_derived_cl60])).
% 0.55/0.88  thf(zip_derived_cl34, plain,
% 0.55/0.88      (((multiply @ identity @ identity) = (identity))),
% 0.55/0.88      inference('sup+', [status(thm)], [zip_derived_cl3, zip_derived_cl7])).
% 0.55/0.88  thf(zip_derived_cl165, plain,
% 0.55/0.88      (![X0 : $i]: ((X0) = (multiply @ identity @ (multiply @ identity @ X0)))),
% 0.55/0.88      inference('demod', [status(thm)], [zip_derived_cl144, zip_derived_cl70])).
% 0.55/0.88  thf(zip_derived_cl380, plain,
% 0.55/0.88      (![X0 : $i]: ((multiply @ identity @ X0) = (X0))),
% 0.55/0.88      inference('demod', [status(thm)],
% 0.55/0.88                [zip_derived_cl362, zip_derived_cl34, zip_derived_cl165])).
% 0.55/0.88  thf(zip_derived_cl383, plain,
% 0.55/0.88      ((((a2) != (a2))
% 0.55/0.88        | ((multiply @ (multiply @ a3 @ b3) @ c3)
% 0.55/0.88            != (multiply @ a3 @ (multiply @ b3 @ c3))))),
% 0.55/0.88      inference('demod', [status(thm)], [zip_derived_cl31, zip_derived_cl380])).
% 0.55/0.88  thf(zip_derived_cl384, plain,
% 0.55/0.88      (((multiply @ (multiply @ a3 @ b3) @ c3)
% 0.55/0.88         != (multiply @ a3 @ (multiply @ b3 @ c3)))),
% 0.55/0.88      inference('simplify', [status(thm)], [zip_derived_cl383])).
% 0.55/0.88  thf(zip_derived_cl23, plain,
% 0.55/0.88      (![X0 : $i, X1 : $i]:
% 0.55/0.88         ((divide @ (multiply @ identity @ (multiply @ X1 @ X0)) @ X0) = (X1))),
% 0.55/0.88      inference('demod', [status(thm)],
% 0.55/0.88                [zip_derived_cl14, zip_derived_cl3, zip_derived_cl1])).
% 0.55/0.88  thf(zip_derived_cl380, plain,
% 0.55/0.88      (![X0 : $i]: ((multiply @ identity @ X0) = (X0))),
% 0.55/0.88      inference('demod', [status(thm)],
% 0.55/0.88                [zip_derived_cl362, zip_derived_cl34, zip_derived_cl165])).
% 0.55/0.88  thf(zip_derived_cl382, plain,
% 0.55/0.88      (![X0 : $i, X1 : $i]: ((divide @ (multiply @ X1 @ X0) @ X0) = (X1))),
% 0.55/0.88      inference('demod', [status(thm)], [zip_derived_cl23, zip_derived_cl380])).
% 0.55/0.88  thf(zip_derived_cl1, plain,
% 0.55/0.88      (![X0 : $i, X1 : $i]:
% 0.55/0.88         ((multiply @ X0 @ X1) = (divide @ X0 @ (divide @ identity @ X1)))),
% 0.55/0.88      inference('cnf', [status(esa)], [multiply])).
% 0.55/0.88  thf(zip_derived_cl10, plain,
% 0.55/0.88      (![X0 : $i, X1 : $i, X2 : $i]:
% 0.55/0.88         ((divide @ 
% 0.55/0.88           (divide @ identity @ 
% 0.55/0.88            (divide @ X1 @ 
% 0.55/0.88             (divide @ X0 @ (divide @ (divide @ identity @ X1) @ X2)))) @ 
% 0.55/0.88           X2) = (X0))),
% 0.55/0.88      inference('demod', [status(thm)], [zip_derived_cl0, zip_derived_cl3])).
% 0.55/0.88  thf(zip_derived_cl1, plain,
% 0.55/0.88      (![X0 : $i, X1 : $i]:
% 0.55/0.88         ((multiply @ X0 @ X1) = (divide @ X0 @ (divide @ identity @ X1)))),
% 0.55/0.88      inference('cnf', [status(esa)], [multiply])).
% 0.55/0.88  thf(zip_derived_cl12, plain,
% 0.55/0.88      (![X0 : $i, X1 : $i, X2 : $i]:
% 0.55/0.88         ((multiply @ 
% 0.55/0.88           (divide @ identity @ 
% 0.55/0.88            (divide @ X2 @ 
% 0.55/0.88             (divide @ X0 @ 
% 0.55/0.88              (divide @ (divide @ identity @ X2) @ (divide @ identity @ X1))))) @ 
% 0.55/0.88           X1) = (X0))),
% 0.55/0.88      inference('sup+', [status(thm)], [zip_derived_cl10, zip_derived_cl1])).
% 0.55/0.88  thf(zip_derived_cl1, plain,
% 0.55/0.88      (![X0 : $i, X1 : $i]:
% 0.55/0.88         ((multiply @ X0 @ X1) = (divide @ X0 @ (divide @ identity @ X1)))),
% 0.55/0.88      inference('cnf', [status(esa)], [multiply])).
% 0.55/0.88  thf(zip_derived_cl25, plain,
% 0.55/0.88      (![X0 : $i, X1 : $i, X2 : $i]:
% 0.55/0.88         ((multiply @ 
% 0.55/0.88           (divide @ identity @ 
% 0.55/0.88            (divide @ X2 @ 
% 0.55/0.88             (divide @ X0 @ (multiply @ (divide @ identity @ X2) @ X1)))) @ 
% 0.55/0.88           X1) = (X0))),
% 0.55/0.88      inference('demod', [status(thm)], [zip_derived_cl12, zip_derived_cl1])).
% 0.55/0.88  thf(zip_derived_cl60, plain,
% 0.55/0.88      (![X0 : $i, X1 : $i]:
% 0.55/0.88         ((multiply @ 
% 0.55/0.88           (multiply @ identity @ (divide @ X0 @ (multiply @ identity @ X1))) @ 
% 0.55/0.88           X1) = (X0))),
% 0.55/0.88      inference('demod', [status(thm)], [zip_derived_cl51, zip_derived_cl6])).
% 0.55/0.88  thf(zip_derived_cl380, plain,
% 0.55/0.88      (![X0 : $i]: ((multiply @ identity @ X0) = (X0))),
% 0.55/0.88      inference('demod', [status(thm)],
% 0.55/0.88                [zip_derived_cl362, zip_derived_cl34, zip_derived_cl165])).
% 0.55/0.88  thf(zip_derived_cl380, plain,
% 0.55/0.88      (![X0 : $i]: ((multiply @ identity @ X0) = (X0))),
% 0.55/0.88      inference('demod', [status(thm)],
% 0.55/0.88                [zip_derived_cl362, zip_derived_cl34, zip_derived_cl165])).
% 0.55/0.88  thf(zip_derived_cl386, plain,
% 0.55/0.88      (![X0 : $i, X1 : $i]: ((multiply @ (divide @ X0 @ X1) @ X1) = (X0))),
% 0.55/0.88      inference('demod', [status(thm)],
% 0.55/0.88                [zip_derived_cl60, zip_derived_cl380, zip_derived_cl380])).
% 0.55/0.88  thf(zip_derived_cl248, plain,
% 0.55/0.88      (![X2 : $i]:
% 0.55/0.88         ((divide @ identity @ X2)
% 0.55/0.88           = (divide @ identity @ (divide @ X2 @ identity)))),
% 0.55/0.88      inference('demod', [status(thm)], [zip_derived_cl232, zip_derived_cl10])).
% 0.55/0.88  thf(zip_derived_cl10, plain,
% 0.55/0.88      (![X0 : $i, X1 : $i, X2 : $i]:
% 0.55/0.88         ((divide @ 
% 0.55/0.88           (divide @ identity @ 
% 0.55/0.88            (divide @ X1 @ 
% 0.55/0.88             (divide @ X0 @ (divide @ (divide @ identity @ X1) @ X2)))) @ 
% 0.55/0.88           X2) = (X0))),
% 0.55/0.88      inference('demod', [status(thm)], [zip_derived_cl0, zip_derived_cl3])).
% 0.55/0.88  thf(zip_derived_cl10, plain,
% 0.55/0.88      (![X0 : $i, X1 : $i, X2 : $i]:
% 0.55/0.88         ((divide @ 
% 0.55/0.88           (divide @ identity @ 
% 0.55/0.88            (divide @ X1 @ 
% 0.55/0.88             (divide @ X0 @ (divide @ (divide @ identity @ X1) @ X2)))) @ 
% 0.55/0.88           X2) = (X0))),
% 0.55/0.88      inference('demod', [status(thm)], [zip_derived_cl0, zip_derived_cl3])).
% 0.55/0.88  thf(zip_derived_cl13, plain,
% 0.55/0.88      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i]:
% 0.55/0.88         ((divide @ 
% 0.55/0.88           (divide @ identity @ 
% 0.55/0.88            (divide @ 
% 0.55/0.88             (divide @ X3 @ 
% 0.55/0.88              (divide @ X0 @ (divide @ (divide @ identity @ X3) @ X2))) @ 
% 0.55/0.88             (divide @ X1 @ X0))) @ 
% 0.55/0.88           X2) = (X1))),
% 0.55/0.88      inference('sup+', [status(thm)], [zip_derived_cl10, zip_derived_cl10])).
% 0.55/0.88  thf(zip_derived_cl422, plain,
% 0.55/0.88      (![X0 : $i, X1 : $i]:
% 0.55/0.88         ((divide @ 
% 0.55/0.88           (divide @ identity @ 
% 0.55/0.88            (divide @ 
% 0.55/0.88             (divide @ X0 @ (divide @ identity @ (divide @ identity @ X0))) @ 
% 0.55/0.88             (divide @ X1 @ identity))) @ 
% 0.55/0.88           identity) = (X1))),
% 0.55/0.88      inference('sup+', [status(thm)], [zip_derived_cl248, zip_derived_cl13])).
% 0.55/0.88  thf(zip_derived_cl1, plain,
% 0.55/0.88      (![X0 : $i, X1 : $i]:
% 0.55/0.88         ((multiply @ X0 @ X1) = (divide @ X0 @ (divide @ identity @ X1)))),
% 0.55/0.88      inference('cnf', [status(esa)], [multiply])).
% 0.55/0.88  thf(zip_derived_cl380, plain,
% 0.55/0.88      (![X0 : $i]: ((multiply @ identity @ X0) = (X0))),
% 0.55/0.88      inference('demod', [status(thm)],
% 0.55/0.88                [zip_derived_cl362, zip_derived_cl34, zip_derived_cl165])).
% 0.55/0.88  thf(zip_derived_cl3, plain, (![X0 : $i]: ((identity) = (divide @ X0 @ X0))),
% 0.55/0.88      inference('cnf', [status(esa)], [identity])).
% 0.55/0.88  thf(zip_derived_cl248, plain,
% 0.55/0.88      (![X2 : $i]:
% 0.55/0.88         ((divide @ identity @ X2)
% 0.55/0.88           = (divide @ identity @ (divide @ X2 @ identity)))),
% 0.55/0.88      inference('demod', [status(thm)], [zip_derived_cl232, zip_derived_cl10])).
% 0.55/0.88  thf(zip_derived_cl1, plain,
% 0.55/0.88      (![X0 : $i, X1 : $i]:
% 0.55/0.88         ((multiply @ X0 @ X1) = (divide @ X0 @ (divide @ identity @ X1)))),
% 0.55/0.88      inference('cnf', [status(esa)], [multiply])).
% 0.55/0.88  thf(zip_derived_cl380, plain,
% 0.55/0.88      (![X0 : $i]: ((multiply @ identity @ X0) = (X0))),
% 0.55/0.88      inference('demod', [status(thm)],
% 0.55/0.88                [zip_derived_cl362, zip_derived_cl34, zip_derived_cl165])).
% 0.55/0.88  thf(zip_derived_cl438, plain,
% 0.55/0.88      (![X1 : $i]: ((divide @ X1 @ identity) = (X1))),
% 0.55/0.88      inference('demod', [status(thm)],
% 0.55/0.88                [zip_derived_cl422, zip_derived_cl1, zip_derived_cl380, 
% 0.55/0.88                 zip_derived_cl3, zip_derived_cl248, zip_derived_cl1, 
% 0.55/0.88                 zip_derived_cl380])).
% 0.55/0.88  thf(zip_derived_cl10, plain,
% 0.55/0.88      (![X0 : $i, X1 : $i, X2 : $i]:
% 0.55/0.88         ((divide @ 
% 0.55/0.88           (divide @ identity @ 
% 0.55/0.88            (divide @ X1 @ 
% 0.55/0.88             (divide @ X0 @ (divide @ (divide @ identity @ X1) @ X2)))) @ 
% 0.55/0.88           X2) = (X0))),
% 0.55/0.88      inference('demod', [status(thm)], [zip_derived_cl0, zip_derived_cl3])).
% 0.55/0.88  thf(zip_derived_cl448, plain,
% 0.55/0.88      (![X0 : $i, X1 : $i]:
% 0.55/0.88         ((divide @ 
% 0.55/0.88           (divide @ identity @ 
% 0.55/0.88            (divide @ X0 @ (divide @ X1 @ (divide @ identity @ X0)))) @ 
% 0.55/0.88           identity) = (X1))),
% 0.55/0.88      inference('sup+', [status(thm)], [zip_derived_cl438, zip_derived_cl10])).
% 0.55/0.88  thf(zip_derived_cl1, plain,
% 0.55/0.88      (![X0 : $i, X1 : $i]:
% 0.55/0.88         ((multiply @ X0 @ X1) = (divide @ X0 @ (divide @ identity @ X1)))),
% 0.55/0.88      inference('cnf', [status(esa)], [multiply])).
% 0.55/0.88  thf(zip_derived_cl438, plain,
% 0.55/0.88      (![X1 : $i]: ((divide @ X1 @ identity) = (X1))),
% 0.55/0.88      inference('demod', [status(thm)],
% 0.55/0.88                [zip_derived_cl422, zip_derived_cl1, zip_derived_cl380, 
% 0.55/0.88                 zip_derived_cl3, zip_derived_cl248, zip_derived_cl1, 
% 0.55/0.88                 zip_derived_cl380])).
% 0.55/0.88  thf(zip_derived_cl460, plain,
% 0.55/0.88      (![X0 : $i, X1 : $i]:
% 0.55/0.88         ((divide @ identity @ (divide @ X0 @ (multiply @ X1 @ X0))) = (X1))),
% 0.55/0.88      inference('demod', [status(thm)],
% 0.55/0.88                [zip_derived_cl448, zip_derived_cl1, zip_derived_cl438])).
% 0.55/0.88  thf(zip_derived_cl438, plain,
% 0.55/0.88      (![X1 : $i]: ((divide @ X1 @ identity) = (X1))),
% 0.55/0.88      inference('demod', [status(thm)],
% 0.55/0.88                [zip_derived_cl422, zip_derived_cl1, zip_derived_cl380, 
% 0.55/0.88                 zip_derived_cl3, zip_derived_cl248, zip_derived_cl1, 
% 0.55/0.88                 zip_derived_cl380])).
% 0.55/0.88  thf(zip_derived_cl1, plain,
% 0.55/0.88      (![X0 : $i, X1 : $i]:
% 0.55/0.88         ((multiply @ X0 @ X1) = (divide @ X0 @ (divide @ identity @ X1)))),
% 0.55/0.88      inference('cnf', [status(esa)], [multiply])).
% 0.55/0.88  thf(zip_derived_cl10, plain,
% 0.55/0.88      (![X0 : $i, X1 : $i, X2 : $i]:
% 0.55/0.88         ((divide @ 
% 0.55/0.88           (divide @ identity @ 
% 0.55/0.88            (divide @ X1 @ 
% 0.55/0.88             (divide @ X0 @ (divide @ (divide @ identity @ X1) @ X2)))) @ 
% 0.55/0.88           X2) = (X0))),
% 0.55/0.88      inference('demod', [status(thm)], [zip_derived_cl0, zip_derived_cl3])).
% 0.55/0.88  thf(zip_derived_cl15, plain,
% 0.55/0.88      (![X0 : $i, X1 : $i]:
% 0.55/0.88         ((divide @ 
% 0.55/0.88           (divide @ identity @ 
% 0.55/0.88            (multiply @ X1 @ (divide @ (divide @ identity @ X1) @ X0))) @ 
% 0.55/0.88           X0) = (identity))),
% 0.55/0.88      inference('sup+', [status(thm)], [zip_derived_cl1, zip_derived_cl10])).
% 0.55/0.88  thf(zip_derived_cl510, plain,
% 0.55/0.88      (![X0 : $i]:
% 0.55/0.88         ((divide @ identity @ 
% 0.55/0.88           (multiply @ X0 @ (divide @ (divide @ identity @ X0) @ identity)))
% 0.55/0.88           = (identity))),
% 0.55/0.88      inference('sup+', [status(thm)], [zip_derived_cl438, zip_derived_cl15])).
% 0.55/0.88  thf(zip_derived_cl438, plain,
% 0.55/0.88      (![X1 : $i]: ((divide @ X1 @ identity) = (X1))),
% 0.55/0.88      inference('demod', [status(thm)],
% 0.55/0.88                [zip_derived_cl422, zip_derived_cl1, zip_derived_cl380, 
% 0.55/0.88                 zip_derived_cl3, zip_derived_cl248, zip_derived_cl1, 
% 0.55/0.88                 zip_derived_cl380])).
% 0.55/0.88  thf(zip_derived_cl522, plain,
% 0.55/0.88      (![X0 : $i]:
% 0.55/0.88         ((divide @ identity @ (multiply @ X0 @ (divide @ identity @ X0)))
% 0.55/0.88           = (identity))),
% 0.55/0.88      inference('demod', [status(thm)], [zip_derived_cl510, zip_derived_cl438])).
% 0.55/0.88  thf(zip_derived_cl13, plain,
% 0.55/0.88      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i]:
% 0.55/0.88         ((divide @ 
% 0.55/0.88           (divide @ identity @ 
% 0.55/0.88            (divide @ 
% 0.55/0.88             (divide @ X3 @ 
% 0.55/0.88              (divide @ X0 @ (divide @ (divide @ identity @ X3) @ X2))) @ 
% 0.55/0.88             (divide @ X1 @ X0))) @ 
% 0.55/0.88           X2) = (X1))),
% 0.55/0.88      inference('sup+', [status(thm)], [zip_derived_cl10, zip_derived_cl10])).
% 0.55/0.88  thf(zip_derived_cl540, plain,
% 0.55/0.88      (![X0 : $i, X1 : $i, X2 : $i]:
% 0.55/0.88         ((divide @ 
% 0.55/0.88           (divide @ identity @ 
% 0.55/0.88            (divide @ 
% 0.55/0.88             (divide @ X2 @ 
% 0.55/0.88              (divide @ (multiply @ X1 @ (divide @ identity @ X1)) @ 
% 0.55/0.88               (divide @ (divide @ identity @ X2) @ X0))) @ 
% 0.55/0.88             identity)) @ 
% 0.55/0.88           X0) = (identity))),
% 0.55/0.88      inference('sup+', [status(thm)], [zip_derived_cl522, zip_derived_cl13])).
% 0.55/0.88  thf(zip_derived_cl438, plain,
% 0.55/0.88      (![X1 : $i]: ((divide @ X1 @ identity) = (X1))),
% 0.55/0.88      inference('demod', [status(thm)],
% 0.55/0.88                [zip_derived_cl422, zip_derived_cl1, zip_derived_cl380, 
% 0.55/0.88                 zip_derived_cl3, zip_derived_cl248, zip_derived_cl1, 
% 0.55/0.88                 zip_derived_cl380])).
% 0.55/0.88  thf(zip_derived_cl10, plain,
% 0.55/0.88      (![X0 : $i, X1 : $i, X2 : $i]:
% 0.55/0.88         ((divide @ 
% 0.55/0.88           (divide @ identity @ 
% 0.55/0.88            (divide @ X1 @ 
% 0.55/0.88             (divide @ X0 @ (divide @ (divide @ identity @ X1) @ X2)))) @ 
% 0.55/0.88           X2) = (X0))),
% 0.55/0.88      inference('demod', [status(thm)], [zip_derived_cl0, zip_derived_cl3])).
% 0.55/0.88  thf(zip_derived_cl560, plain,
% 0.55/0.88      (![X1 : $i]: ((multiply @ X1 @ (divide @ identity @ X1)) = (identity))),
% 0.55/0.88      inference('demod', [status(thm)],
% 0.55/0.88                [zip_derived_cl540, zip_derived_cl438, zip_derived_cl10])).
% 0.55/0.88  thf(zip_derived_cl382, plain,
% 0.55/0.88      (![X0 : $i, X1 : $i]: ((divide @ (multiply @ X1 @ X0) @ X0) = (X1))),
% 0.55/0.88      inference('demod', [status(thm)], [zip_derived_cl23, zip_derived_cl380])).
% 0.55/0.88  thf(zip_derived_cl568, plain,
% 0.55/0.88      (![X0 : $i]: ((divide @ identity @ (divide @ identity @ X0)) = (X0))),
% 0.55/0.88      inference('sup+', [status(thm)], [zip_derived_cl560, zip_derived_cl382])).
% 0.55/0.88  thf(zip_derived_cl624, plain,
% 0.55/0.88      (![X0 : $i, X1 : $i]:
% 0.55/0.88         ((divide @ identity @ X0) = (divide @ X1 @ (multiply @ X0 @ X1)))),
% 0.55/0.88      inference('sup+', [status(thm)], [zip_derived_cl460, zip_derived_cl568])).
% 0.55/0.88  thf(zip_derived_cl658, plain,
% 0.55/0.88      (![X0 : $i, X1 : $i]:
% 0.55/0.88         ((divide @ identity @ (divide @ X0 @ X1)) = (divide @ X1 @ X0))),
% 0.55/0.88      inference('sup+', [status(thm)], [zip_derived_cl386, zip_derived_cl624])).
% 0.55/0.88  thf(zip_derived_cl701, plain,
% 0.55/0.88      (![X0 : $i, X1 : $i, X2 : $i]:
% 0.55/0.88         ((multiply @ 
% 0.55/0.88           (divide @ 
% 0.55/0.88            (divide @ X0 @ (multiply @ (divide @ identity @ X2) @ X1)) @ X2) @ 
% 0.55/0.88           X1) = (X0))),
% 0.55/0.88      inference('demod', [status(thm)], [zip_derived_cl25, zip_derived_cl658])).
% 0.55/0.88  thf(zip_derived_cl707, plain,
% 0.55/0.88      (![X0 : $i, X1 : $i, X2 : $i]:
% 0.55/0.88         ((multiply @ 
% 0.55/0.88           (multiply @ 
% 0.55/0.88            (divide @ X2 @ 
% 0.55/0.88             (multiply @ (divide @ identity @ (divide @ identity @ X0)) @ X1)) @ 
% 0.55/0.88            X0) @ 
% 0.55/0.88           X1) = (X2))),
% 0.55/0.88      inference('sup+', [status(thm)], [zip_derived_cl1, zip_derived_cl701])).
% 0.55/0.88  thf(zip_derived_cl568, plain,
% 0.55/0.88      (![X0 : $i]: ((divide @ identity @ (divide @ identity @ X0)) = (X0))),
% 0.55/0.88      inference('sup+', [status(thm)], [zip_derived_cl560, zip_derived_cl382])).
% 0.55/0.88  thf(zip_derived_cl724, plain,
% 0.55/0.88      (![X0 : $i, X1 : $i, X2 : $i]:
% 0.55/0.88         ((multiply @ (multiply @ (divide @ X2 @ (multiply @ X0 @ X1)) @ X0) @ 
% 0.55/0.88           X1) = (X2))),
% 0.55/0.88      inference('demod', [status(thm)], [zip_derived_cl707, zip_derived_cl568])).
% 0.55/0.88  thf(zip_derived_cl1182, plain,
% 0.55/0.88      (![X0 : $i, X1 : $i, X2 : $i]:
% 0.55/0.88         ((multiply @ (multiply @ X0 @ X2) @ X1)
% 0.55/0.88           = (multiply @ X0 @ (multiply @ X2 @ X1)))),
% 0.55/0.88      inference('sup+', [status(thm)], [zip_derived_cl382, zip_derived_cl724])).
% 0.55/0.88  thf(zip_derived_cl1218, plain,
% 0.55/0.88      (((multiply @ a3 @ (multiply @ b3 @ c3))
% 0.55/0.88         != (multiply @ a3 @ (multiply @ b3 @ c3)))),
% 0.55/0.88      inference('demod', [status(thm)], [zip_derived_cl384, zip_derived_cl1182])).
% 0.55/0.88  thf(zip_derived_cl1219, plain, ($false),
% 0.55/0.88      inference('simplify', [status(thm)], [zip_derived_cl1218])).
% 0.55/0.88  
% 0.55/0.88  % SZS output end Refutation
% 0.55/0.88  
% 0.55/0.88  
% 0.55/0.88  % Terminating...
% 0.55/0.93  % Runner terminated.
% 1.70/0.94  % Zipperpin 1.5 exiting
%------------------------------------------------------------------------------