TSTP Solution File: GRP100-1 by Zipperpin---2.1.9999

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Zipperpin---2.1.9999
% Problem  : GRP100-1 : TPTP v8.1.2. Bugfixed v2.7.0.
% Transfm  : NO INFORMATION
% Format   : NO INFORMATION
% Command  : python3 /export/starexec/sandbox2/solver/bin/portfolio.lams.parallel.py %s %d /export/starexec/sandbox2/tmp/tmp.6JTy4oJovo true

% Computer : n024.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 01:49:55 EDT 2023

% Result   : Unsatisfiable 1.83s 1.29s
% Output   : Refutation 1.83s
% Verified : 
% SZS Type : -

% Comments : 
%------------------------------------------------------------------------------
%----WARNING: Could not form TPTP format derivation
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.08/0.13  % Problem  : GRP100-1 : TPTP v8.1.2. Bugfixed v2.7.0.
% 0.08/0.14  % Command  : python3 /export/starexec/sandbox2/solver/bin/portfolio.lams.parallel.py %s %d /export/starexec/sandbox2/tmp/tmp.6JTy4oJovo true
% 0.14/0.35  % Computer : n024.cluster.edu
% 0.14/0.35  % Model    : x86_64 x86_64
% 0.14/0.35  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.14/0.35  % Memory   : 8042.1875MB
% 0.14/0.35  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.14/0.35  % CPULimit : 300
% 0.14/0.35  % WCLimit  : 300
% 0.14/0.35  % DateTime : Tue Aug 29 02:09:38 EDT 2023
% 0.14/0.35  % CPUTime  : 
% 0.14/0.35  % Running portfolio for 300 s
% 0.14/0.35  % File         : /export/starexec/sandbox2/benchmark/theBenchmark.p
% 0.14/0.35  % Number of cores: 8
% 0.14/0.36  % Python version: Python 3.6.8
% 0.14/0.36  % Running in FO mode
% 0.22/0.67  % Total configuration time : 435
% 0.22/0.67  % Estimated wc time : 1092
% 0.22/0.67  % Estimated cpu time (7 cpus) : 156.0
% 1.07/0.72  % /export/starexec/sandbox2/solver/bin/fo/fo6_bce.sh running for 75s
% 1.07/0.73  % /export/starexec/sandbox2/solver/bin/fo/fo3_bce.sh running for 75s
% 1.07/0.76  % /export/starexec/sandbox2/solver/bin/fo/fo1_av.sh running for 75s
% 1.07/0.77  % /export/starexec/sandbox2/solver/bin/fo/fo13.sh running for 50s
% 1.07/0.77  % /export/starexec/sandbox2/solver/bin/fo/fo7.sh running for 63s
% 1.07/0.77  % /export/starexec/sandbox2/solver/bin/fo/fo5.sh running for 50s
% 1.07/0.78  % /export/starexec/sandbox2/solver/bin/fo/fo4.sh running for 50s
% 1.83/1.29  % Solved by fo/fo5.sh.
% 1.83/1.29  % done 648 iterations in 0.482s
% 1.83/1.29  % SZS status Theorem for '/export/starexec/sandbox2/benchmark/theBenchmark.p'
% 1.83/1.29  % SZS output start Refutation
% 1.83/1.29  thf(a3_type, type, a3: $i).
% 1.83/1.29  thf(identity_type, type, identity: $i).
% 1.83/1.29  thf(multiply_type, type, multiply: $i > $i > $i).
% 1.83/1.29  thf(c3_type, type, c3: $i).
% 1.83/1.29  thf(a2_type, type, a2: $i).
% 1.83/1.29  thf(a1_type, type, a1: $i).
% 1.83/1.29  thf(double_divide_type, type, double_divide: $i > $i > $i).
% 1.83/1.29  thf(inverse_type, type, inverse: $i > $i).
% 1.83/1.29  thf(b4_type, type, b4: $i).
% 1.83/1.29  thf(a4_type, type, a4: $i).
% 1.83/1.29  thf(b3_type, type, b3: $i).
% 1.83/1.29  thf(prove_these_axioms, conjecture,
% 1.83/1.29    (~( ( ( multiply @ a4 @ b4 ) != ( multiply @ b4 @ a4 ) ) | 
% 1.83/1.29        ( ( multiply @ ( multiply @ a3 @ b3 ) @ c3 ) !=
% 1.83/1.29          ( multiply @ a3 @ ( multiply @ b3 @ c3 ) ) ) | 
% 1.83/1.29        ( ( multiply @ identity @ a2 ) != ( a2 ) ) | 
% 1.83/1.29        ( ( multiply @ ( inverse @ a1 ) @ a1 ) != ( identity ) ) ))).
% 1.83/1.29  thf(zf_stmt_0, negated_conjecture,
% 1.83/1.29    (( ( multiply @ a4 @ b4 ) != ( multiply @ b4 @ a4 ) ) | 
% 1.83/1.29     ( ( multiply @ ( multiply @ a3 @ b3 ) @ c3 ) !=
% 1.83/1.29       ( multiply @ a3 @ ( multiply @ b3 @ c3 ) ) ) | 
% 1.83/1.29     ( ( multiply @ identity @ a2 ) != ( a2 ) ) | 
% 1.83/1.29     ( ( multiply @ ( inverse @ a1 ) @ a1 ) != ( identity ) )),
% 1.83/1.29    inference('cnf.neg', [status(esa)], [prove_these_axioms])).
% 1.83/1.29  thf(zip_derived_cl4, plain,
% 1.83/1.29      ((((multiply @ a4 @ b4) != (multiply @ b4 @ a4))
% 1.83/1.29        | ((multiply @ (multiply @ a3 @ b3) @ c3)
% 1.83/1.29            != (multiply @ a3 @ (multiply @ b3 @ c3)))
% 1.83/1.29        | ((multiply @ identity @ a2) != (a2))
% 1.83/1.29        | ((multiply @ (inverse @ a1) @ a1) != (identity)))),
% 1.83/1.29      inference('cnf', [status(esa)], [zf_stmt_0])).
% 1.83/1.29  thf(inverse, axiom, (( inverse @ X ) = ( double_divide @ X @ identity ))).
% 1.83/1.29  thf(zip_derived_cl2, plain,
% 1.83/1.29      (![X0 : $i]: ((inverse @ X0) = (double_divide @ X0 @ identity))),
% 1.83/1.29      inference('cnf', [status(esa)], [inverse])).
% 1.83/1.29  thf(multiply, axiom,
% 1.83/1.29    (( multiply @ X @ Y ) =
% 1.83/1.29     ( double_divide @ ( double_divide @ Y @ X ) @ identity ))).
% 1.83/1.29  thf(zip_derived_cl1, plain,
% 1.83/1.29      (![X0 : $i, X1 : $i]:
% 1.83/1.29         ((multiply @ X1 @ X0)
% 1.83/1.29           = (double_divide @ (double_divide @ X0 @ X1) @ identity))),
% 1.83/1.29      inference('cnf', [status(esa)], [multiply])).
% 1.83/1.29  thf(zip_derived_cl7, plain,
% 1.83/1.29      (![X0 : $i]:
% 1.83/1.29         ((multiply @ identity @ X0)
% 1.83/1.29           = (double_divide @ (inverse @ X0) @ identity))),
% 1.83/1.29      inference('sup+', [status(thm)], [zip_derived_cl2, zip_derived_cl1])).
% 1.83/1.29  thf(zip_derived_cl2, plain,
% 1.83/1.29      (![X0 : $i]: ((inverse @ X0) = (double_divide @ X0 @ identity))),
% 1.83/1.29      inference('cnf', [status(esa)], [inverse])).
% 1.83/1.29  thf(zip_derived_cl10, plain,
% 1.83/1.29      (![X0 : $i]: ((multiply @ identity @ X0) = (inverse @ (inverse @ X0)))),
% 1.83/1.29      inference('demod', [status(thm)], [zip_derived_cl7, zip_derived_cl2])).
% 1.83/1.29  thf(zip_derived_cl22, plain,
% 1.83/1.29      ((((multiply @ a4 @ b4) != (multiply @ b4 @ a4))
% 1.83/1.29        | ((multiply @ (multiply @ a3 @ b3) @ c3)
% 1.83/1.29            != (multiply @ a3 @ (multiply @ b3 @ c3)))
% 1.83/1.29        | ((inverse @ (inverse @ a2)) != (a2))
% 1.83/1.29        | ((multiply @ (inverse @ a1) @ a1) != (identity)))),
% 1.83/1.29      inference('demod', [status(thm)], [zip_derived_cl4, zip_derived_cl10])).
% 1.83/1.29  thf(identity, axiom,
% 1.83/1.29    (( identity ) = ( double_divide @ X @ ( inverse @ X ) ))).
% 1.83/1.29  thf(zip_derived_cl3, plain,
% 1.83/1.29      (![X0 : $i]: ((identity) = (double_divide @ X0 @ (inverse @ X0)))),
% 1.83/1.29      inference('cnf', [status(esa)], [identity])).
% 1.83/1.29  thf(zip_derived_cl2, plain,
% 1.83/1.29      (![X0 : $i]: ((inverse @ X0) = (double_divide @ X0 @ identity))),
% 1.83/1.29      inference('cnf', [status(esa)], [inverse])).
% 1.83/1.29  thf(zip_derived_cl1, plain,
% 1.83/1.29      (![X0 : $i, X1 : $i]:
% 1.83/1.29         ((multiply @ X1 @ X0)
% 1.83/1.29           = (double_divide @ (double_divide @ X0 @ X1) @ identity))),
% 1.83/1.29      inference('cnf', [status(esa)], [multiply])).
% 1.83/1.29  thf(zip_derived_cl6, plain,
% 1.83/1.29      (![X0 : $i, X1 : $i]:
% 1.83/1.29         ((multiply @ X0 @ X1) = (inverse @ (double_divide @ X1 @ X0)))),
% 1.83/1.29      inference('sup+', [status(thm)], [zip_derived_cl2, zip_derived_cl1])).
% 1.83/1.29  thf(zip_derived_cl26, plain,
% 1.83/1.29      (![X0 : $i]: ((multiply @ (inverse @ X0) @ X0) = (inverse @ identity))),
% 1.83/1.29      inference('sup+', [status(thm)], [zip_derived_cl3, zip_derived_cl6])).
% 1.83/1.29  thf(zip_derived_cl64, plain,
% 1.83/1.29      ((((multiply @ a4 @ b4) != (multiply @ b4 @ a4))
% 1.83/1.29        | ((multiply @ (multiply @ a3 @ b3) @ c3)
% 1.83/1.29            != (multiply @ a3 @ (multiply @ b3 @ c3)))
% 1.83/1.29        | ((inverse @ (inverse @ a2)) != (a2))
% 1.83/1.29        | ((inverse @ identity) != (identity)))),
% 1.83/1.29      inference('demod', [status(thm)], [zip_derived_cl22, zip_derived_cl26])).
% 1.83/1.29  thf(zip_derived_cl26, plain,
% 1.83/1.29      (![X0 : $i]: ((multiply @ (inverse @ X0) @ X0) = (inverse @ identity))),
% 1.83/1.29      inference('sup+', [status(thm)], [zip_derived_cl3, zip_derived_cl6])).
% 1.83/1.29  thf(zip_derived_cl26, plain,
% 1.83/1.29      (![X0 : $i]: ((multiply @ (inverse @ X0) @ X0) = (inverse @ identity))),
% 1.83/1.29      inference('sup+', [status(thm)], [zip_derived_cl3, zip_derived_cl6])).
% 1.83/1.29  thf(zip_derived_cl3, plain,
% 1.83/1.29      (![X0 : $i]: ((identity) = (double_divide @ X0 @ (inverse @ X0)))),
% 1.83/1.29      inference('cnf', [status(esa)], [identity])).
% 1.83/1.29  thf(zip_derived_cl2, plain,
% 1.83/1.29      (![X0 : $i]: ((inverse @ X0) = (double_divide @ X0 @ identity))),
% 1.83/1.29      inference('cnf', [status(esa)], [inverse])).
% 1.83/1.29  thf(single_axiom, axiom,
% 1.83/1.29    (( double_divide @
% 1.83/1.29       ( double_divide @
% 1.83/1.29         X @ 
% 1.83/1.29         ( double_divide @
% 1.83/1.29           ( double_divide @ Y @ ( double_divide @ X @ Z ) ) @ 
% 1.83/1.29           ( double_divide @ Z @ identity ) ) ) @ 
% 1.83/1.29       ( double_divide @ identity @ identity ) ) =
% 1.83/1.29     ( Y ))).
% 1.83/1.29  thf(zip_derived_cl0, plain,
% 1.83/1.29      (![X0 : $i, X1 : $i, X2 : $i]:
% 1.83/1.29         ((double_divide @ 
% 1.83/1.29           (double_divide @ X1 @ 
% 1.83/1.29            (double_divide @ 
% 1.83/1.29             (double_divide @ X0 @ (double_divide @ X1 @ X2)) @ 
% 1.83/1.29             (double_divide @ X2 @ identity))) @ 
% 1.83/1.29           (double_divide @ identity @ identity)) = (X0))),
% 1.83/1.29      inference('cnf', [status(esa)], [single_axiom])).
% 1.83/1.29  thf(zip_derived_cl2, plain,
% 1.83/1.29      (![X0 : $i]: ((inverse @ X0) = (double_divide @ X0 @ identity))),
% 1.83/1.29      inference('cnf', [status(esa)], [inverse])).
% 1.83/1.29  thf(zip_derived_cl2, plain,
% 1.83/1.29      (![X0 : $i]: ((inverse @ X0) = (double_divide @ X0 @ identity))),
% 1.83/1.29      inference('cnf', [status(esa)], [inverse])).
% 1.83/1.29  thf(zip_derived_cl13, plain,
% 1.83/1.29      (![X0 : $i, X1 : $i, X2 : $i]:
% 1.83/1.29         ((double_divide @ 
% 1.83/1.29           (double_divide @ X1 @ 
% 1.83/1.29            (double_divide @ 
% 1.83/1.29             (double_divide @ X0 @ (double_divide @ X1 @ X2)) @ (inverse @ X2))) @ 
% 1.83/1.29           (inverse @ identity)) = (X0))),
% 1.83/1.29      inference('demod', [status(thm)],
% 1.83/1.29                [zip_derived_cl0, zip_derived_cl2, zip_derived_cl2])).
% 1.83/1.29  thf(zip_derived_cl16, plain,
% 1.83/1.29      (![X0 : $i, X1 : $i]:
% 1.83/1.29         ((double_divide @ 
% 1.83/1.29           (double_divide @ X0 @ 
% 1.83/1.29            (double_divide @ (double_divide @ X1 @ (inverse @ X0)) @ 
% 1.83/1.29             (inverse @ identity))) @ 
% 1.83/1.29           (inverse @ identity)) = (X1))),
% 1.83/1.29      inference('sup+', [status(thm)], [zip_derived_cl2, zip_derived_cl13])).
% 1.83/1.29  thf(zip_derived_cl304, plain,
% 1.83/1.29      (![X0 : $i]:
% 1.83/1.29         ((double_divide @ 
% 1.83/1.29           (double_divide @ X0 @ 
% 1.83/1.29            (double_divide @ identity @ (inverse @ identity))) @ 
% 1.83/1.29           (inverse @ identity)) = (X0))),
% 1.83/1.29      inference('sup+', [status(thm)], [zip_derived_cl3, zip_derived_cl16])).
% 1.83/1.29  thf(zip_derived_cl3, plain,
% 1.83/1.29      (![X0 : $i]: ((identity) = (double_divide @ X0 @ (inverse @ X0)))),
% 1.83/1.29      inference('cnf', [status(esa)], [identity])).
% 1.83/1.29  thf(zip_derived_cl2, plain,
% 1.83/1.29      (![X0 : $i]: ((inverse @ X0) = (double_divide @ X0 @ identity))),
% 1.83/1.29      inference('cnf', [status(esa)], [inverse])).
% 1.83/1.29  thf(zip_derived_cl313, plain,
% 1.83/1.29      (![X0 : $i]:
% 1.83/1.29         ((double_divide @ (inverse @ X0) @ (inverse @ identity)) = (X0))),
% 1.83/1.29      inference('demod', [status(thm)],
% 1.83/1.29                [zip_derived_cl304, zip_derived_cl3, zip_derived_cl2])).
% 1.83/1.29  thf(zip_derived_cl346, plain,
% 1.83/1.29      (![X0 : $i]:
% 1.83/1.29         ((double_divide @ (multiply @ (inverse @ X0) @ X0) @ 
% 1.83/1.29           (inverse @ identity)) = (identity))),
% 1.83/1.29      inference('sup+', [status(thm)], [zip_derived_cl26, zip_derived_cl313])).
% 1.83/1.29  thf(zip_derived_cl16, plain,
% 1.83/1.29      (![X0 : $i, X1 : $i]:
% 1.83/1.29         ((double_divide @ 
% 1.83/1.29           (double_divide @ X0 @ 
% 1.83/1.29            (double_divide @ (double_divide @ X1 @ (inverse @ X0)) @ 
% 1.83/1.29             (inverse @ identity))) @ 
% 1.83/1.29           (inverse @ identity)) = (X1))),
% 1.83/1.29      inference('sup+', [status(thm)], [zip_derived_cl2, zip_derived_cl13])).
% 1.83/1.29  thf(zip_derived_cl443, plain,
% 1.83/1.29      (![X0 : $i]:
% 1.83/1.29         ((double_divide @ 
% 1.83/1.29           (double_divide @ identity @ 
% 1.83/1.29            (double_divide @ identity @ (inverse @ identity))) @ 
% 1.83/1.29           (inverse @ identity)) = (multiply @ (inverse @ X0) @ X0))),
% 1.83/1.29      inference('sup+', [status(thm)], [zip_derived_cl346, zip_derived_cl16])).
% 1.83/1.29  thf(zip_derived_cl3, plain,
% 1.83/1.29      (![X0 : $i]: ((identity) = (double_divide @ X0 @ (inverse @ X0)))),
% 1.83/1.29      inference('cnf', [status(esa)], [identity])).
% 1.83/1.29  thf(zip_derived_cl2, plain,
% 1.83/1.29      (![X0 : $i]: ((inverse @ X0) = (double_divide @ X0 @ identity))),
% 1.83/1.29      inference('cnf', [status(esa)], [inverse])).
% 1.83/1.29  thf(zip_derived_cl313, plain,
% 1.83/1.29      (![X0 : $i]:
% 1.83/1.29         ((double_divide @ (inverse @ X0) @ (inverse @ identity)) = (X0))),
% 1.83/1.29      inference('demod', [status(thm)],
% 1.83/1.29                [zip_derived_cl304, zip_derived_cl3, zip_derived_cl2])).
% 1.83/1.29  thf(zip_derived_cl461, plain,
% 1.83/1.29      (![X0 : $i]: ((identity) = (multiply @ (inverse @ X0) @ X0))),
% 1.83/1.29      inference('demod', [status(thm)],
% 1.83/1.29                [zip_derived_cl443, zip_derived_cl3, zip_derived_cl2, 
% 1.83/1.29                 zip_derived_cl313])).
% 1.83/1.29  thf(zip_derived_cl463, plain, (((identity) = (inverse @ identity))),
% 1.83/1.29      inference('demod', [status(thm)], [zip_derived_cl26, zip_derived_cl461])).
% 1.83/1.29  thf(zip_derived_cl484, plain,
% 1.83/1.29      ((((multiply @ a4 @ b4) != (multiply @ b4 @ a4))
% 1.83/1.29        | ((multiply @ (multiply @ a3 @ b3) @ c3)
% 1.83/1.29            != (multiply @ a3 @ (multiply @ b3 @ c3)))
% 1.83/1.29        | ((inverse @ (inverse @ a2)) != (a2))
% 1.83/1.29        | ((identity) != (identity)))),
% 1.83/1.29      inference('demod', [status(thm)], [zip_derived_cl64, zip_derived_cl463])).
% 1.83/1.29  thf(zip_derived_cl485, plain,
% 1.83/1.29      ((((inverse @ (inverse @ a2)) != (a2))
% 1.83/1.29        | ((multiply @ (multiply @ a3 @ b3) @ c3)
% 1.83/1.29            != (multiply @ a3 @ (multiply @ b3 @ c3)))
% 1.83/1.29        | ((multiply @ a4 @ b4) != (multiply @ b4 @ a4)))),
% 1.83/1.29      inference('simplify', [status(thm)], [zip_derived_cl484])).
% 1.83/1.29  thf(zip_derived_cl313, plain,
% 1.83/1.29      (![X0 : $i]:
% 1.83/1.29         ((double_divide @ (inverse @ X0) @ (inverse @ identity)) = (X0))),
% 1.83/1.29      inference('demod', [status(thm)],
% 1.83/1.29                [zip_derived_cl304, zip_derived_cl3, zip_derived_cl2])).
% 1.83/1.29  thf(zip_derived_cl463, plain, (((identity) = (inverse @ identity))),
% 1.83/1.29      inference('demod', [status(thm)], [zip_derived_cl26, zip_derived_cl461])).
% 1.83/1.29  thf(zip_derived_cl2, plain,
% 1.83/1.29      (![X0 : $i]: ((inverse @ X0) = (double_divide @ X0 @ identity))),
% 1.83/1.29      inference('cnf', [status(esa)], [inverse])).
% 1.83/1.29  thf(zip_derived_cl486, plain,
% 1.83/1.29      (![X0 : $i]: ((inverse @ (inverse @ X0)) = (X0))),
% 1.83/1.29      inference('demod', [status(thm)],
% 1.83/1.29                [zip_derived_cl313, zip_derived_cl463, zip_derived_cl2])).
% 1.83/1.29  thf(zip_derived_cl515, plain,
% 1.83/1.29      ((((a2) != (a2))
% 1.83/1.29        | ((multiply @ (multiply @ a3 @ b3) @ c3)
% 1.83/1.29            != (multiply @ a3 @ (multiply @ b3 @ c3)))
% 1.83/1.29        | ((multiply @ a4 @ b4) != (multiply @ b4 @ a4)))),
% 1.83/1.29      inference('demod', [status(thm)], [zip_derived_cl485, zip_derived_cl486])).
% 1.83/1.29  thf(zip_derived_cl516, plain,
% 1.83/1.29      ((((multiply @ a4 @ b4) != (multiply @ b4 @ a4))
% 1.83/1.29        | ((multiply @ (multiply @ a3 @ b3) @ c3)
% 1.83/1.29            != (multiply @ a3 @ (multiply @ b3 @ c3))))),
% 1.83/1.29      inference('simplify', [status(thm)], [zip_derived_cl515])).
% 1.83/1.29  thf(zip_derived_cl486, plain,
% 1.83/1.29      (![X0 : $i]: ((inverse @ (inverse @ X0)) = (X0))),
% 1.83/1.29      inference('demod', [status(thm)],
% 1.83/1.29                [zip_derived_cl313, zip_derived_cl463, zip_derived_cl2])).
% 1.83/1.29  thf(zip_derived_cl26, plain,
% 1.83/1.29      (![X0 : $i]: ((multiply @ (inverse @ X0) @ X0) = (inverse @ identity))),
% 1.83/1.29      inference('sup+', [status(thm)], [zip_derived_cl3, zip_derived_cl6])).
% 1.83/1.29  thf(zip_derived_cl13, plain,
% 1.83/1.29      (![X0 : $i, X1 : $i, X2 : $i]:
% 1.83/1.29         ((double_divide @ 
% 1.83/1.29           (double_divide @ X1 @ 
% 1.83/1.29            (double_divide @ 
% 1.83/1.29             (double_divide @ X0 @ (double_divide @ X1 @ X2)) @ (inverse @ X2))) @ 
% 1.83/1.29           (inverse @ identity)) = (X0))),
% 1.83/1.29      inference('demod', [status(thm)],
% 1.83/1.29                [zip_derived_cl0, zip_derived_cl2, zip_derived_cl2])).
% 1.83/1.29  thf(zip_derived_cl31, plain,
% 1.83/1.29      (![X0 : $i, X1 : $i, X2 : $i]:
% 1.83/1.29         ((double_divide @ 
% 1.83/1.29           (double_divide @ X2 @ 
% 1.83/1.29            (double_divide @ 
% 1.83/1.29             (double_divide @ X1 @ (double_divide @ X2 @ identity)) @ 
% 1.83/1.29             (multiply @ (inverse @ X0) @ X0))) @ 
% 1.83/1.29           (inverse @ identity)) = (X1))),
% 1.83/1.29      inference('sup+', [status(thm)], [zip_derived_cl26, zip_derived_cl13])).
% 1.83/1.29  thf(zip_derived_cl2, plain,
% 1.83/1.29      (![X0 : $i]: ((inverse @ X0) = (double_divide @ X0 @ identity))),
% 1.83/1.29      inference('cnf', [status(esa)], [inverse])).
% 1.83/1.29  thf(zip_derived_cl37, plain,
% 1.83/1.29      (![X0 : $i, X1 : $i, X2 : $i]:
% 1.83/1.29         ((double_divide @ 
% 1.83/1.29           (double_divide @ X2 @ 
% 1.83/1.29            (double_divide @ (double_divide @ X1 @ (inverse @ X2)) @ 
% 1.83/1.29             (multiply @ (inverse @ X0) @ X0))) @ 
% 1.83/1.29           (inverse @ identity)) = (X1))),
% 1.83/1.29      inference('demod', [status(thm)], [zip_derived_cl31, zip_derived_cl2])).
% 1.83/1.29  thf(zip_derived_cl6, plain,
% 1.83/1.29      (![X0 : $i, X1 : $i]:
% 1.83/1.29         ((multiply @ X0 @ X1) = (inverse @ (double_divide @ X1 @ X0)))),
% 1.83/1.29      inference('sup+', [status(thm)], [zip_derived_cl2, zip_derived_cl1])).
% 1.83/1.29  thf(zip_derived_cl486, plain,
% 1.83/1.29      (![X0 : $i]: ((inverse @ (inverse @ X0)) = (X0))),
% 1.83/1.29      inference('demod', [status(thm)],
% 1.83/1.29                [zip_derived_cl313, zip_derived_cl463, zip_derived_cl2])).
% 1.83/1.29  thf(zip_derived_cl521, plain,
% 1.83/1.29      (![X0 : $i, X1 : $i]:
% 1.83/1.29         ((inverse @ (multiply @ X1 @ X0)) = (double_divide @ X0 @ X1))),
% 1.83/1.29      inference('sup+', [status(thm)], [zip_derived_cl6, zip_derived_cl486])).
% 1.83/1.29  thf(zip_derived_cl461, plain,
% 1.83/1.29      (![X0 : $i]: ((identity) = (multiply @ (inverse @ X0) @ X0))),
% 1.83/1.29      inference('demod', [status(thm)],
% 1.83/1.29                [zip_derived_cl443, zip_derived_cl3, zip_derived_cl2, 
% 1.83/1.29                 zip_derived_cl313])).
% 1.83/1.29  thf(zip_derived_cl2, plain,
% 1.83/1.29      (![X0 : $i]: ((inverse @ X0) = (double_divide @ X0 @ identity))),
% 1.83/1.29      inference('cnf', [status(esa)], [inverse])).
% 1.83/1.29  thf(zip_derived_cl486, plain,
% 1.83/1.29      (![X0 : $i]: ((inverse @ (inverse @ X0)) = (X0))),
% 1.83/1.29      inference('demod', [status(thm)],
% 1.83/1.29                [zip_derived_cl313, zip_derived_cl463, zip_derived_cl2])).
% 1.83/1.29  thf(zip_derived_cl521, plain,
% 1.83/1.29      (![X0 : $i, X1 : $i]:
% 1.83/1.29         ((inverse @ (multiply @ X1 @ X0)) = (double_divide @ X0 @ X1))),
% 1.83/1.29      inference('sup+', [status(thm)], [zip_derived_cl6, zip_derived_cl486])).
% 1.83/1.29  thf(zip_derived_cl463, plain, (((identity) = (inverse @ identity))),
% 1.83/1.29      inference('demod', [status(thm)], [zip_derived_cl26, zip_derived_cl461])).
% 1.83/1.29  thf(zip_derived_cl2, plain,
% 1.83/1.29      (![X0 : $i]: ((inverse @ X0) = (double_divide @ X0 @ identity))),
% 1.83/1.29      inference('cnf', [status(esa)], [inverse])).
% 1.83/1.29  thf(zip_derived_cl486, plain,
% 1.83/1.29      (![X0 : $i]: ((inverse @ (inverse @ X0)) = (X0))),
% 1.83/1.29      inference('demod', [status(thm)],
% 1.83/1.29                [zip_derived_cl313, zip_derived_cl463, zip_derived_cl2])).
% 1.83/1.29  thf(zip_derived_cl594, plain,
% 1.83/1.29      (![X1 : $i, X2 : $i]:
% 1.83/1.29         ((multiply @ (multiply @ (inverse @ X2) @ X1) @ X2) = (X1))),
% 1.83/1.29      inference('demod', [status(thm)],
% 1.83/1.29                [zip_derived_cl37, zip_derived_cl521, zip_derived_cl461, 
% 1.83/1.29                 zip_derived_cl2, zip_derived_cl486, zip_derived_cl521, 
% 1.83/1.29                 zip_derived_cl463, zip_derived_cl2, zip_derived_cl486])).
% 1.83/1.29  thf(zip_derived_cl600, plain,
% 1.83/1.29      (![X0 : $i, X1 : $i]:
% 1.83/1.29         ((multiply @ (multiply @ X0 @ X1) @ (inverse @ X0)) = (X1))),
% 1.83/1.29      inference('sup+', [status(thm)], [zip_derived_cl486, zip_derived_cl594])).
% 1.83/1.29  thf(zip_derived_cl486, plain,
% 1.83/1.29      (![X0 : $i]: ((inverse @ (inverse @ X0)) = (X0))),
% 1.83/1.29      inference('demod', [status(thm)],
% 1.83/1.29                [zip_derived_cl313, zip_derived_cl463, zip_derived_cl2])).
% 1.83/1.29  thf(zip_derived_cl3, plain,
% 1.83/1.29      (![X0 : $i]: ((identity) = (double_divide @ X0 @ (inverse @ X0)))),
% 1.83/1.29      inference('cnf', [status(esa)], [identity])).
% 1.83/1.29  thf(zip_derived_cl13, plain,
% 1.83/1.29      (![X0 : $i, X1 : $i, X2 : $i]:
% 1.83/1.29         ((double_divide @ 
% 1.83/1.29           (double_divide @ X1 @ 
% 1.83/1.29            (double_divide @ 
% 1.83/1.29             (double_divide @ X0 @ (double_divide @ X1 @ X2)) @ (inverse @ X2))) @ 
% 1.83/1.29           (inverse @ identity)) = (X0))),
% 1.83/1.29      inference('demod', [status(thm)],
% 1.83/1.29                [zip_derived_cl0, zip_derived_cl2, zip_derived_cl2])).
% 1.83/1.29  thf(zip_derived_cl17, plain,
% 1.83/1.29      (![X0 : $i, X1 : $i]:
% 1.83/1.29         ((double_divide @ 
% 1.83/1.29           (double_divide @ X1 @ 
% 1.83/1.29            (double_divide @ (double_divide @ X0 @ identity) @ 
% 1.83/1.29             (inverse @ (inverse @ X1)))) @ 
% 1.83/1.29           (inverse @ identity)) = (X0))),
% 1.83/1.29      inference('sup+', [status(thm)], [zip_derived_cl3, zip_derived_cl13])).
% 1.83/1.29  thf(zip_derived_cl2, plain,
% 1.83/1.29      (![X0 : $i]: ((inverse @ X0) = (double_divide @ X0 @ identity))),
% 1.83/1.29      inference('cnf', [status(esa)], [inverse])).
% 1.83/1.29  thf(zip_derived_cl20, plain,
% 1.83/1.29      (![X0 : $i, X1 : $i]:
% 1.83/1.29         ((double_divide @ 
% 1.83/1.29           (double_divide @ X1 @ 
% 1.83/1.29            (double_divide @ (inverse @ X0) @ (inverse @ (inverse @ X1)))) @ 
% 1.83/1.29           (inverse @ identity)) = (X0))),
% 1.83/1.29      inference('demod', [status(thm)], [zip_derived_cl17, zip_derived_cl2])).
% 1.83/1.29  thf(zip_derived_cl463, plain, (((identity) = (inverse @ identity))),
% 1.83/1.29      inference('demod', [status(thm)], [zip_derived_cl26, zip_derived_cl461])).
% 1.83/1.29  thf(zip_derived_cl1, plain,
% 1.83/1.29      (![X0 : $i, X1 : $i]:
% 1.83/1.29         ((multiply @ X1 @ X0)
% 1.83/1.29           = (double_divide @ (double_divide @ X0 @ X1) @ identity))),
% 1.83/1.29      inference('cnf', [status(esa)], [multiply])).
% 1.83/1.29  thf(zip_derived_cl490, plain,
% 1.83/1.29      (![X0 : $i, X1 : $i]:
% 1.83/1.29         ((multiply @ 
% 1.83/1.29           (double_divide @ (inverse @ X0) @ (inverse @ (inverse @ X1))) @ X1)
% 1.83/1.29           = (X0))),
% 1.83/1.29      inference('demod', [status(thm)],
% 1.83/1.29                [zip_derived_cl20, zip_derived_cl463, zip_derived_cl1])).
% 1.83/1.29  thf(zip_derived_cl486, plain,
% 1.83/1.29      (![X0 : $i]: ((inverse @ (inverse @ X0)) = (X0))),
% 1.83/1.29      inference('demod', [status(thm)],
% 1.83/1.29                [zip_derived_cl313, zip_derived_cl463, zip_derived_cl2])).
% 1.83/1.29  thf(zip_derived_cl517, plain,
% 1.83/1.29      (![X0 : $i, X1 : $i]:
% 1.83/1.29         ((multiply @ (double_divide @ (inverse @ X0) @ X1) @ X1) = (X0))),
% 1.83/1.29      inference('demod', [status(thm)], [zip_derived_cl490, zip_derived_cl486])).
% 1.83/1.29  thf(zip_derived_cl521, plain,
% 1.83/1.29      (![X0 : $i, X1 : $i]:
% 1.83/1.29         ((inverse @ (multiply @ X1 @ X0)) = (double_divide @ X0 @ X1))),
% 1.83/1.29      inference('sup+', [status(thm)], [zip_derived_cl6, zip_derived_cl486])).
% 1.83/1.29  thf(zip_derived_cl620, plain,
% 1.83/1.29      (![X0 : $i, X1 : $i]:
% 1.83/1.29         ((multiply @ (inverse @ (multiply @ X1 @ (inverse @ X0))) @ X1) = (X0))),
% 1.83/1.29      inference('demod', [status(thm)], [zip_derived_cl517, zip_derived_cl521])).
% 1.83/1.29  thf(zip_derived_cl632, plain,
% 1.83/1.29      (![X0 : $i, X1 : $i]:
% 1.83/1.29         ((multiply @ (inverse @ (multiply @ X1 @ X0)) @ X1) = (inverse @ X0))),
% 1.83/1.29      inference('sup+', [status(thm)], [zip_derived_cl486, zip_derived_cl620])).
% 1.83/1.29  thf(zip_derived_cl13, plain,
% 1.83/1.29      (![X0 : $i, X1 : $i, X2 : $i]:
% 1.83/1.29         ((double_divide @ 
% 1.83/1.29           (double_divide @ X1 @ 
% 1.83/1.29            (double_divide @ 
% 1.83/1.29             (double_divide @ X0 @ (double_divide @ X1 @ X2)) @ (inverse @ X2))) @ 
% 1.83/1.29           (inverse @ identity)) = (X0))),
% 1.83/1.29      inference('demod', [status(thm)],
% 1.83/1.29                [zip_derived_cl0, zip_derived_cl2, zip_derived_cl2])).
% 1.83/1.29  thf(zip_derived_cl463, plain, (((identity) = (inverse @ identity))),
% 1.83/1.29      inference('demod', [status(thm)], [zip_derived_cl26, zip_derived_cl461])).
% 1.83/1.29  thf(zip_derived_cl1, plain,
% 1.83/1.29      (![X0 : $i, X1 : $i]:
% 1.83/1.29         ((multiply @ X1 @ X0)
% 1.83/1.29           = (double_divide @ (double_divide @ X0 @ X1) @ identity))),
% 1.83/1.29      inference('cnf', [status(esa)], [multiply])).
% 1.83/1.29  thf(zip_derived_cl480, plain,
% 1.83/1.29      (![X0 : $i, X1 : $i, X2 : $i]:
% 1.83/1.29         ((multiply @ 
% 1.83/1.29           (double_divide @ (double_divide @ X0 @ (double_divide @ X1 @ X2)) @ 
% 1.83/1.29            (inverse @ X2)) @ 
% 1.83/1.29           X1) = (X0))),
% 1.83/1.29      inference('demod', [status(thm)],
% 1.83/1.30                [zip_derived_cl13, zip_derived_cl463, zip_derived_cl1])).
% 1.83/1.30  thf(zip_derived_cl521, plain,
% 1.83/1.30      (![X0 : $i, X1 : $i]:
% 1.83/1.30         ((inverse @ (multiply @ X1 @ X0)) = (double_divide @ X0 @ X1))),
% 1.83/1.30      inference('sup+', [status(thm)], [zip_derived_cl6, zip_derived_cl486])).
% 1.83/1.30  thf(zip_derived_cl521, plain,
% 1.83/1.30      (![X0 : $i, X1 : $i]:
% 1.83/1.30         ((inverse @ (multiply @ X1 @ X0)) = (double_divide @ X0 @ X1))),
% 1.83/1.30      inference('sup+', [status(thm)], [zip_derived_cl6, zip_derived_cl486])).
% 1.83/1.30  thf(zip_derived_cl594, plain,
% 1.83/1.30      (![X1 : $i, X2 : $i]:
% 1.83/1.30         ((multiply @ (multiply @ (inverse @ X2) @ X1) @ X2) = (X1))),
% 1.83/1.30      inference('demod', [status(thm)],
% 1.83/1.30                [zip_derived_cl37, zip_derived_cl521, zip_derived_cl461, 
% 1.83/1.30                 zip_derived_cl2, zip_derived_cl486, zip_derived_cl521, 
% 1.83/1.30                 zip_derived_cl463, zip_derived_cl2, zip_derived_cl486])).
% 1.83/1.30  thf(zip_derived_cl600, plain,
% 1.83/1.30      (![X0 : $i, X1 : $i]:
% 1.83/1.30         ((multiply @ (multiply @ X0 @ X1) @ (inverse @ X0)) = (X1))),
% 1.83/1.30      inference('sup+', [status(thm)], [zip_derived_cl486, zip_derived_cl594])).
% 1.83/1.30  thf(zip_derived_cl600, plain,
% 1.83/1.30      (![X0 : $i, X1 : $i]:
% 1.83/1.30         ((multiply @ (multiply @ X0 @ X1) @ (inverse @ X0)) = (X1))),
% 1.83/1.30      inference('sup+', [status(thm)], [zip_derived_cl486, zip_derived_cl594])).
% 1.83/1.30  thf(zip_derived_cl605, plain,
% 1.83/1.30      (![X0 : $i, X1 : $i]:
% 1.83/1.30         ((multiply @ X0 @ (inverse @ (multiply @ X1 @ X0))) = (inverse @ X1))),
% 1.83/1.30      inference('sup+', [status(thm)], [zip_derived_cl600, zip_derived_cl600])).
% 1.83/1.30  thf(zip_derived_cl688, plain,
% 1.83/1.30      (![X0 : $i, X1 : $i]:
% 1.83/1.30         ((multiply @ X1 @ (inverse @ X0))
% 1.83/1.30           = (inverse @ (multiply @ (inverse @ X1) @ X0)))),
% 1.83/1.30      inference('sup+', [status(thm)], [zip_derived_cl594, zip_derived_cl605])).
% 1.83/1.30  thf(zip_derived_cl521, plain,
% 1.83/1.30      (![X0 : $i, X1 : $i]:
% 1.83/1.30         ((inverse @ (multiply @ X1 @ X0)) = (double_divide @ X0 @ X1))),
% 1.83/1.30      inference('sup+', [status(thm)], [zip_derived_cl6, zip_derived_cl486])).
% 1.83/1.30  thf(zip_derived_cl688, plain,
% 1.83/1.30      (![X0 : $i, X1 : $i]:
% 1.83/1.30         ((multiply @ X1 @ (inverse @ X0))
% 1.83/1.30           = (inverse @ (multiply @ (inverse @ X1) @ X0)))),
% 1.83/1.30      inference('sup+', [status(thm)], [zip_derived_cl594, zip_derived_cl605])).
% 1.83/1.30  thf(zip_derived_cl620, plain,
% 1.83/1.30      (![X0 : $i, X1 : $i]:
% 1.83/1.30         ((multiply @ (inverse @ (multiply @ X1 @ (inverse @ X0))) @ X1) = (X0))),
% 1.83/1.30      inference('demod', [status(thm)], [zip_derived_cl517, zip_derived_cl521])).
% 1.83/1.30  thf(zip_derived_cl600, plain,
% 1.83/1.30      (![X0 : $i, X1 : $i]:
% 1.83/1.30         ((multiply @ (multiply @ X0 @ X1) @ (inverse @ X0)) = (X1))),
% 1.83/1.30      inference('sup+', [status(thm)], [zip_derived_cl486, zip_derived_cl594])).
% 1.83/1.30  thf(zip_derived_cl620, plain,
% 1.83/1.30      (![X0 : $i, X1 : $i]:
% 1.83/1.30         ((multiply @ (inverse @ (multiply @ X1 @ (inverse @ X0))) @ X1) = (X0))),
% 1.83/1.30      inference('demod', [status(thm)], [zip_derived_cl517, zip_derived_cl521])).
% 1.83/1.30  thf(zip_derived_cl628, plain,
% 1.83/1.30      (![X0 : $i, X1 : $i]:
% 1.83/1.30         ((multiply @ (inverse @ X0) @ (multiply @ X1 @ X0)) = (X1))),
% 1.83/1.30      inference('sup+', [status(thm)], [zip_derived_cl600, zip_derived_cl620])).
% 1.83/1.30  thf(zip_derived_cl666, plain,
% 1.83/1.30      (![X0 : $i, X1 : $i]:
% 1.83/1.30         ((multiply @ (inverse @ X1) @ X0)
% 1.83/1.30           = (inverse @ (multiply @ X1 @ (inverse @ X0))))),
% 1.83/1.30      inference('sup+', [status(thm)], [zip_derived_cl620, zip_derived_cl628])).
% 1.83/1.30  thf(zip_derived_cl1196, plain,
% 1.83/1.30      (![X0 : $i, X1 : $i, X2 : $i]:
% 1.83/1.30         ((multiply @ 
% 1.83/1.30           (multiply @ X2 @ (multiply @ (inverse @ (multiply @ X2 @ X1)) @ X0)) @ 
% 1.83/1.30           X1) = (X0))),
% 1.83/1.30      inference('demod', [status(thm)],
% 1.83/1.30                [zip_derived_cl480, zip_derived_cl521, zip_derived_cl521, 
% 1.83/1.30                 zip_derived_cl688, zip_derived_cl521, zip_derived_cl688, 
% 1.83/1.30                 zip_derived_cl666])).
% 1.83/1.30  thf(zip_derived_cl1221, plain,
% 1.83/1.30      (![X0 : $i, X1 : $i]:
% 1.83/1.30         ((multiply @ (multiply @ X1 @ (inverse @ X0)) @ X0) = (X1))),
% 1.83/1.30      inference('sup+', [status(thm)], [zip_derived_cl632, zip_derived_cl1196])).
% 1.83/1.30  thf(zip_derived_cl1289, plain,
% 1.83/1.30      (![X0 : $i, X1 : $i]: ((multiply @ X0 @ X1) = (multiply @ X1 @ X0))),
% 1.83/1.30      inference('sup+', [status(thm)], [zip_derived_cl600, zip_derived_cl1221])).
% 1.83/1.30  thf(zip_derived_cl1289, plain,
% 1.83/1.30      (![X0 : $i, X1 : $i]: ((multiply @ X0 @ X1) = (multiply @ X1 @ X0))),
% 1.83/1.30      inference('sup+', [status(thm)], [zip_derived_cl600, zip_derived_cl1221])).
% 1.83/1.30  thf(zip_derived_cl1289, plain,
% 1.83/1.30      (![X0 : $i, X1 : $i]: ((multiply @ X0 @ X1) = (multiply @ X1 @ X0))),
% 1.83/1.30      inference('sup+', [status(thm)], [zip_derived_cl600, zip_derived_cl1221])).
% 1.83/1.30  thf(zip_derived_cl1313, plain,
% 1.83/1.30      ((((multiply @ a4 @ b4) != (multiply @ a4 @ b4))
% 1.83/1.30        | ((multiply @ c3 @ (multiply @ a3 @ b3))
% 1.83/1.30            != (multiply @ a3 @ (multiply @ c3 @ b3))))),
% 1.83/1.30      inference('demod', [status(thm)],
% 1.83/1.30                [zip_derived_cl516, zip_derived_cl1289, zip_derived_cl1289, 
% 1.83/1.30                 zip_derived_cl1289])).
% 1.83/1.30  thf(zip_derived_cl1314, plain,
% 1.83/1.30      (((multiply @ c3 @ (multiply @ a3 @ b3))
% 1.83/1.30         != (multiply @ a3 @ (multiply @ c3 @ b3)))),
% 1.83/1.30      inference('simplify', [status(thm)], [zip_derived_cl1313])).
% 1.83/1.30  thf(zip_derived_cl1289, plain,
% 1.83/1.30      (![X0 : $i, X1 : $i]: ((multiply @ X0 @ X1) = (multiply @ X1 @ X0))),
% 1.83/1.30      inference('sup+', [status(thm)], [zip_derived_cl600, zip_derived_cl1221])).
% 1.83/1.30  thf(zip_derived_cl605, plain,
% 1.83/1.30      (![X0 : $i, X1 : $i]:
% 1.83/1.30         ((multiply @ X0 @ (inverse @ (multiply @ X1 @ X0))) = (inverse @ X1))),
% 1.83/1.30      inference('sup+', [status(thm)], [zip_derived_cl600, zip_derived_cl600])).
% 1.83/1.30  thf(zip_derived_cl600, plain,
% 1.83/1.30      (![X0 : $i, X1 : $i]:
% 1.83/1.30         ((multiply @ (multiply @ X0 @ X1) @ (inverse @ X0)) = (X1))),
% 1.83/1.30      inference('sup+', [status(thm)], [zip_derived_cl486, zip_derived_cl594])).
% 1.83/1.30  thf(zip_derived_cl678, plain,
% 1.83/1.30      (![X0 : $i, X1 : $i]:
% 1.83/1.30         ((multiply @ (inverse @ X0) @ (inverse @ X1))
% 1.83/1.30           = (inverse @ (multiply @ X0 @ X1)))),
% 1.83/1.30      inference('sup+', [status(thm)], [zip_derived_cl605, zip_derived_cl600])).
% 1.83/1.30  thf(zip_derived_cl1347, plain,
% 1.83/1.30      (![X0 : $i, X1 : $i]:
% 1.83/1.30         ((multiply @ (inverse @ X1) @ (inverse @ X0))
% 1.83/1.30           = (inverse @ (multiply @ X0 @ X1)))),
% 1.83/1.30      inference('sup+', [status(thm)], [zip_derived_cl1289, zip_derived_cl678])).
% 1.83/1.30  thf(zip_derived_cl666, plain,
% 1.83/1.30      (![X0 : $i, X1 : $i]:
% 1.83/1.30         ((multiply @ (inverse @ X1) @ X0)
% 1.83/1.30           = (inverse @ (multiply @ X1 @ (inverse @ X0))))),
% 1.83/1.30      inference('sup+', [status(thm)], [zip_derived_cl620, zip_derived_cl628])).
% 1.83/1.30  thf(zip_derived_cl3, plain,
% 1.83/1.30      (![X0 : $i]: ((identity) = (double_divide @ X0 @ (inverse @ X0)))),
% 1.83/1.30      inference('cnf', [status(esa)], [identity])).
% 1.83/1.30  thf(zip_derived_cl808, plain,
% 1.83/1.30      (![X0 : $i, X1 : $i]:
% 1.83/1.30         ((identity)
% 1.83/1.30           = (double_divide @ (multiply @ X1 @ (inverse @ X0)) @ 
% 1.83/1.30              (multiply @ (inverse @ X1) @ X0)))),
% 1.83/1.30      inference('sup+', [status(thm)], [zip_derived_cl666, zip_derived_cl3])).
% 1.83/1.30  thf(zip_derived_cl1886, plain,
% 1.83/1.30      (![X0 : $i, X1 : $i]:
% 1.83/1.30         ((identity)
% 1.83/1.30           = (double_divide @ (inverse @ (multiply @ X1 @ X0)) @ 
% 1.83/1.30              (multiply @ (inverse @ (inverse @ X0)) @ X1)))),
% 1.83/1.30      inference('sup+', [status(thm)], [zip_derived_cl1347, zip_derived_cl808])).
% 1.83/1.30  thf(zip_derived_cl486, plain,
% 1.83/1.30      (![X0 : $i]: ((inverse @ (inverse @ X0)) = (X0))),
% 1.83/1.30      inference('demod', [status(thm)],
% 1.83/1.30                [zip_derived_cl313, zip_derived_cl463, zip_derived_cl2])).
% 1.83/1.30  thf(zip_derived_cl521, plain,
% 1.83/1.30      (![X0 : $i, X1 : $i]:
% 1.83/1.30         ((inverse @ (multiply @ X1 @ X0)) = (double_divide @ X0 @ X1))),
% 1.83/1.30      inference('sup+', [status(thm)], [zip_derived_cl6, zip_derived_cl486])).
% 1.83/1.30  thf(zip_derived_cl1221, plain,
% 1.83/1.30      (![X0 : $i, X1 : $i]:
% 1.83/1.30         ((multiply @ (multiply @ X1 @ (inverse @ X0)) @ X0) = (X1))),
% 1.83/1.30      inference('sup+', [status(thm)], [zip_derived_cl632, zip_derived_cl1196])).
% 1.83/1.30  thf(zip_derived_cl605, plain,
% 1.83/1.30      (![X0 : $i, X1 : $i]:
% 1.83/1.30         ((multiply @ X0 @ (inverse @ (multiply @ X1 @ X0))) = (inverse @ X1))),
% 1.83/1.30      inference('sup+', [status(thm)], [zip_derived_cl600, zip_derived_cl600])).
% 1.83/1.30  thf(zip_derived_cl1266, plain,
% 1.83/1.30      (![X0 : $i, X1 : $i]:
% 1.83/1.30         ((multiply @ X1 @ (inverse @ X0))
% 1.83/1.30           = (inverse @ (multiply @ X0 @ (inverse @ X1))))),
% 1.83/1.30      inference('sup+', [status(thm)], [zip_derived_cl1221, zip_derived_cl605])).
% 1.83/1.30  thf(zip_derived_cl1934, plain,
% 1.83/1.30      (![X0 : $i, X1 : $i]:
% 1.83/1.30         ((identity)
% 1.83/1.30           = (multiply @ (multiply @ X1 @ X0) @ 
% 1.83/1.30              (inverse @ (multiply @ X0 @ X1))))),
% 1.83/1.30      inference('demod', [status(thm)],
% 1.83/1.30                [zip_derived_cl1886, zip_derived_cl486, zip_derived_cl521, 
% 1.83/1.30                 zip_derived_cl1266])).
% 1.83/1.30  thf(zip_derived_cl1221, plain,
% 1.83/1.30      (![X0 : $i, X1 : $i]:
% 1.83/1.30         ((multiply @ (multiply @ X1 @ (inverse @ X0)) @ X0) = (X1))),
% 1.83/1.30      inference('sup+', [status(thm)], [zip_derived_cl632, zip_derived_cl1196])).
% 1.83/1.30  thf(zip_derived_cl1982, plain,
% 1.83/1.30      (![X0 : $i, X1 : $i]:
% 1.83/1.30         ((multiply @ identity @ (multiply @ X0 @ X1)) = (multiply @ X1 @ X0))),
% 1.83/1.30      inference('sup+', [status(thm)], [zip_derived_cl1934, zip_derived_cl1221])).
% 1.83/1.30  thf(zip_derived_cl628, plain,
% 1.83/1.30      (![X0 : $i, X1 : $i]:
% 1.83/1.30         ((multiply @ (inverse @ X0) @ (multiply @ X1 @ X0)) = (X1))),
% 1.83/1.30      inference('sup+', [status(thm)], [zip_derived_cl600, zip_derived_cl620])).
% 1.83/1.30  thf(zip_derived_cl1196, plain,
% 1.83/1.30      (![X0 : $i, X1 : $i, X2 : $i]:
% 1.83/1.30         ((multiply @ 
% 1.83/1.30           (multiply @ X2 @ (multiply @ (inverse @ (multiply @ X2 @ X1)) @ X0)) @ 
% 1.83/1.30           X1) = (X0))),
% 1.83/1.30      inference('demod', [status(thm)],
% 1.83/1.30                [zip_derived_cl480, zip_derived_cl521, zip_derived_cl521, 
% 1.83/1.30                 zip_derived_cl688, zip_derived_cl521, zip_derived_cl688, 
% 1.83/1.30                 zip_derived_cl666])).
% 1.83/1.30  thf(zip_derived_cl1222, plain,
% 1.83/1.30      (![X0 : $i, X1 : $i, X2 : $i]:
% 1.83/1.30         ((multiply @ (multiply @ X2 @ X0) @ X1)
% 1.83/1.30           = (multiply @ X0 @ (multiply @ X2 @ X1)))),
% 1.83/1.30      inference('sup+', [status(thm)], [zip_derived_cl628, zip_derived_cl1196])).
% 1.83/1.30  thf(zip_derived_cl2311, plain,
% 1.83/1.30      (![X0 : $i, X1 : $i, X2 : $i]:
% 1.83/1.30         ((multiply @ (multiply @ X1 @ X0) @ X2)
% 1.83/1.30           = (multiply @ (multiply @ X0 @ X1) @ (multiply @ identity @ X2)))),
% 1.83/1.30      inference('sup+', [status(thm)], [zip_derived_cl1982, zip_derived_cl1222])).
% 1.83/1.30  thf(zip_derived_cl1222, plain,
% 1.83/1.30      (![X0 : $i, X1 : $i, X2 : $i]:
% 1.83/1.30         ((multiply @ (multiply @ X2 @ X0) @ X1)
% 1.83/1.30           = (multiply @ X0 @ (multiply @ X2 @ X1)))),
% 1.83/1.30      inference('sup+', [status(thm)], [zip_derived_cl628, zip_derived_cl1196])).
% 1.83/1.30  thf(zip_derived_cl10, plain,
% 1.83/1.30      (![X0 : $i]: ((multiply @ identity @ X0) = (inverse @ (inverse @ X0)))),
% 1.83/1.30      inference('demod', [status(thm)], [zip_derived_cl7, zip_derived_cl2])).
% 1.83/1.30  thf(zip_derived_cl486, plain,
% 1.83/1.30      (![X0 : $i]: ((inverse @ (inverse @ X0)) = (X0))),
% 1.83/1.30      inference('demod', [status(thm)],
% 1.83/1.30                [zip_derived_cl313, zip_derived_cl463, zip_derived_cl2])).
% 1.83/1.30  thf(zip_derived_cl514, plain,
% 1.83/1.30      (![X0 : $i]: ((multiply @ identity @ X0) = (X0))),
% 1.83/1.30      inference('demod', [status(thm)], [zip_derived_cl10, zip_derived_cl486])).
% 1.83/1.30  thf(zip_derived_cl1222, plain,
% 1.83/1.30      (![X0 : $i, X1 : $i, X2 : $i]:
% 1.83/1.30         ((multiply @ (multiply @ X2 @ X0) @ X1)
% 1.83/1.30           = (multiply @ X0 @ (multiply @ X2 @ X1)))),
% 1.83/1.30      inference('sup+', [status(thm)], [zip_derived_cl628, zip_derived_cl1196])).
% 1.83/1.30  thf(zip_derived_cl2334, plain,
% 1.83/1.30      (![X0 : $i, X1 : $i, X2 : $i]:
% 1.83/1.30         ((multiply @ X0 @ (multiply @ X1 @ X2))
% 1.83/1.30           = (multiply @ X1 @ (multiply @ X0 @ X2)))),
% 1.83/1.30      inference('demod', [status(thm)],
% 1.83/1.30                [zip_derived_cl2311, zip_derived_cl1222, zip_derived_cl514, 
% 1.83/1.30                 zip_derived_cl1222])).
% 1.83/1.30  thf(zip_derived_cl3764, plain,
% 1.83/1.30      (((multiply @ a3 @ (multiply @ c3 @ b3))
% 1.83/1.30         != (multiply @ a3 @ (multiply @ c3 @ b3)))),
% 1.83/1.30      inference('demod', [status(thm)],
% 1.83/1.30                [zip_derived_cl1314, zip_derived_cl2334])).
% 1.83/1.30  thf(zip_derived_cl3765, plain, ($false),
% 1.83/1.30      inference('simplify', [status(thm)], [zip_derived_cl3764])).
% 1.83/1.30  
% 1.83/1.30  % SZS output end Refutation
% 1.83/1.30  
% 1.83/1.30  
% 1.83/1.30  % Terminating...
% 5.37/1.39  % Runner terminated.
% 5.37/1.40  % Zipperpin 1.5 exiting
%------------------------------------------------------------------------------