TSTP Solution File: GRP488-1 by Zipperpin---2.1.9999

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Zipperpin---2.1.9999
% Problem  : GRP488-1 : TPTP v8.1.2. Released v2.6.0.
% Transfm  : NO INFORMATION
% Format   : NO INFORMATION
% Command  : python3 /export/starexec/sandbox2/solver/bin/portfolio.lams.parallel.py %s %d /export/starexec/sandbox2/tmp/tmp.gAPbc0SW8Y true

% Computer : n032.cluster.edu
% Model    : x86_64 x86_64
% CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 2.10GHz
% Memory   : 8042.1875MB
% OS       : Linux 3.10.0-693.el7.x86_64
% CPULimit : 300s
% WCLimit  : 300s
% DateTime : Thu Aug 31 01:51:51 EDT 2023

% Result   : Unsatisfiable 1.26s 0.77s
% Output   : Refutation 1.26s
% Verified : 
% SZS Type : -

% Comments : 
%------------------------------------------------------------------------------
%----WARNING: Could not form TPTP format derivation
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.05/0.10  % Problem  : GRP488-1 : TPTP v8.1.2. Released v2.6.0.
% 0.05/0.11  % Command  : python3 /export/starexec/sandbox2/solver/bin/portfolio.lams.parallel.py %s %d /export/starexec/sandbox2/tmp/tmp.gAPbc0SW8Y true
% 0.11/0.31  % Computer : n032.cluster.edu
% 0.11/0.31  % Model    : x86_64 x86_64
% 0.11/0.31  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.11/0.31  % Memory   : 8042.1875MB
% 0.11/0.31  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.11/0.31  % CPULimit : 300
% 0.11/0.31  % WCLimit  : 300
% 0.11/0.31  % DateTime : Mon Aug 28 20:34:01 EDT 2023
% 0.11/0.32  % CPUTime  : 
% 0.11/0.32  % Running portfolio for 300 s
% 0.11/0.32  % File         : /export/starexec/sandbox2/benchmark/theBenchmark.p
% 0.11/0.32  % Number of cores: 8
% 0.11/0.32  % Python version: Python 3.6.8
% 0.11/0.32  % Running in FO mode
% 0.17/0.59  % Total configuration time : 435
% 0.17/0.59  % Estimated wc time : 1092
% 0.17/0.59  % Estimated cpu time (7 cpus) : 156.0
% 0.81/0.68  % /export/starexec/sandbox2/solver/bin/fo/fo6_bce.sh running for 75s
% 0.81/0.69  % /export/starexec/sandbox2/solver/bin/fo/fo3_bce.sh running for 75s
% 0.81/0.69  % /export/starexec/sandbox2/solver/bin/fo/fo7.sh running for 63s
% 0.81/0.69  % /export/starexec/sandbox2/solver/bin/fo/fo1_av.sh running for 75s
% 0.81/0.69  % /export/starexec/sandbox2/solver/bin/fo/fo13.sh running for 50s
% 0.81/0.69  % /export/starexec/sandbox2/solver/bin/fo/fo4.sh running for 50s
% 0.81/0.69  % /export/starexec/sandbox2/solver/bin/fo/fo5.sh running for 50s
% 1.26/0.77  % Solved by fo/fo3_bce.sh.
% 1.26/0.77  % BCE start: 5
% 1.26/0.77  % BCE eliminated: 0
% 1.26/0.77  % PE start: 5
% 1.26/0.77  logic: eq
% 1.26/0.77  % PE eliminated: 0
% 1.26/0.77  % done 28 iterations in 0.054s
% 1.26/0.77  % SZS status Theorem for '/export/starexec/sandbox2/benchmark/theBenchmark.p'
% 1.26/0.77  % SZS output start Refutation
% 1.26/0.77  thf(multiply_type, type, multiply: $i > $i > $i).
% 1.26/0.77  thf(identity_type, type, identity: $i).
% 1.26/0.77  thf(a2_type, type, a2: $i).
% 1.26/0.77  thf(double_divide_type, type, double_divide: $i > $i > $i).
% 1.26/0.77  thf(inverse_type, type, inverse: $i > $i).
% 1.26/0.77  thf(prove_these_axioms_2, conjecture,
% 1.26/0.77    (( multiply @ identity @ a2 ) = ( a2 ))).
% 1.26/0.77  thf(zf_stmt_0, negated_conjecture, (( multiply @ identity @ a2 ) != ( a2 )),
% 1.26/0.77    inference('cnf.neg', [status(esa)], [prove_these_axioms_2])).
% 1.26/0.77  thf(zip_derived_cl4, plain, (((multiply @ identity @ a2) != (a2))),
% 1.26/0.77      inference('cnf', [status(esa)], [zf_stmt_0])).
% 1.26/0.77  thf(multiply, axiom,
% 1.26/0.77    (( multiply @ A @ B ) =
% 1.26/0.77     ( double_divide @ ( double_divide @ B @ A ) @ identity ))).
% 1.26/0.77  thf(zip_derived_cl1, plain,
% 1.26/0.77      (![X0 : $i, X1 : $i]:
% 1.26/0.77         ((multiply @ X1 @ X0)
% 1.26/0.77           = (double_divide @ (double_divide @ X0 @ X1) @ identity))),
% 1.26/0.77      inference('cnf', [status(esa)], [multiply])).
% 1.26/0.77  thf(inverse, axiom, (( inverse @ A ) = ( double_divide @ A @ identity ))).
% 1.26/0.77  thf(zip_derived_cl2, plain,
% 1.26/0.77      (![X0 : $i]: ((inverse @ X0) = (double_divide @ X0 @ identity))),
% 1.26/0.77      inference('cnf', [status(esa)], [inverse])).
% 1.26/0.77  thf(zip_derived_cl5, plain,
% 1.26/0.77      (![X0 : $i, X1 : $i]:
% 1.26/0.77         ((multiply @ X1 @ X0) = (inverse @ (double_divide @ X0 @ X1)))),
% 1.26/0.77      inference('demod', [status(thm)], [zip_derived_cl1, zip_derived_cl2])).
% 1.26/0.77  thf(zip_derived_cl2, plain,
% 1.26/0.77      (![X0 : $i]: ((inverse @ X0) = (double_divide @ X0 @ identity))),
% 1.26/0.77      inference('cnf', [status(esa)], [inverse])).
% 1.26/0.77  thf(zip_derived_cl6, plain, (((inverse @ (inverse @ a2)) != (a2))),
% 1.26/0.77      inference('demod', [status(thm)],
% 1.26/0.77                [zip_derived_cl4, zip_derived_cl5, zip_derived_cl2])).
% 1.26/0.77  thf(identity, axiom,
% 1.26/0.77    (( identity ) = ( double_divide @ A @ ( inverse @ A ) ))).
% 1.26/0.77  thf(zip_derived_cl3, plain,
% 1.26/0.77      (![X0 : $i]: ((identity) = (double_divide @ X0 @ (inverse @ X0)))),
% 1.26/0.77      inference('cnf', [status(esa)], [identity])).
% 1.26/0.77  thf(zip_derived_cl3, plain,
% 1.26/0.77      (![X0 : $i]: ((identity) = (double_divide @ X0 @ (inverse @ X0)))),
% 1.26/0.77      inference('cnf', [status(esa)], [identity])).
% 1.26/0.77  thf(zip_derived_cl3, plain,
% 1.26/0.77      (![X0 : $i]: ((identity) = (double_divide @ X0 @ (inverse @ X0)))),
% 1.26/0.77      inference('cnf', [status(esa)], [identity])).
% 1.26/0.77  thf(single_axiom, axiom,
% 1.26/0.77    (( double_divide @
% 1.26/0.77       A @ 
% 1.26/0.77       ( double_divide @
% 1.26/0.77         ( double_divide @
% 1.26/0.77           ( double_divide @
% 1.26/0.77             identity @ 
% 1.26/0.77             ( double_divide @
% 1.26/0.77               ( double_divide @ A @ identity ) @ ( double_divide @ B @ C ) ) ) @ 
% 1.26/0.77           B ) @ 
% 1.26/0.77         identity ) ) =
% 1.26/0.77     ( C ))).
% 1.26/0.77  thf(zip_derived_cl0, plain,
% 1.26/0.77      (![X0 : $i, X1 : $i, X2 : $i]:
% 1.26/0.77         ((double_divide @ X1 @ 
% 1.26/0.77           (double_divide @ 
% 1.26/0.77            (double_divide @ 
% 1.26/0.77             (double_divide @ identity @ 
% 1.26/0.77              (double_divide @ (double_divide @ X1 @ identity) @ 
% 1.26/0.77               (double_divide @ X2 @ X0))) @ 
% 1.26/0.77             X2) @ 
% 1.26/0.77            identity))
% 1.26/0.77           = (X0))),
% 1.26/0.77      inference('cnf', [status(esa)], [single_axiom])).
% 1.26/0.77  thf(zip_derived_cl2, plain,
% 1.26/0.77      (![X0 : $i]: ((inverse @ X0) = (double_divide @ X0 @ identity))),
% 1.26/0.77      inference('cnf', [status(esa)], [inverse])).
% 1.26/0.77  thf(zip_derived_cl2, plain,
% 1.26/0.77      (![X0 : $i]: ((inverse @ X0) = (double_divide @ X0 @ identity))),
% 1.26/0.77      inference('cnf', [status(esa)], [inverse])).
% 1.26/0.77  thf(zip_derived_cl7, plain,
% 1.26/0.77      (![X0 : $i, X1 : $i, X2 : $i]:
% 1.26/0.77         ((double_divide @ X1 @ 
% 1.26/0.77           (inverse @ 
% 1.26/0.77            (double_divide @ 
% 1.26/0.77             (double_divide @ identity @ 
% 1.26/0.77              (double_divide @ (inverse @ X1) @ (double_divide @ X2 @ X0))) @ 
% 1.26/0.77             X2)))
% 1.26/0.77           = (X0))),
% 1.26/0.77      inference('demod', [status(thm)],
% 1.26/0.77                [zip_derived_cl0, zip_derived_cl2, zip_derived_cl2])).
% 1.26/0.77  thf(zip_derived_cl11, plain,
% 1.26/0.77      (![X0 : $i, X1 : $i]:
% 1.26/0.77         ((double_divide @ X1 @ 
% 1.26/0.77           (inverse @ 
% 1.26/0.77            (double_divide @ 
% 1.26/0.77             (double_divide @ identity @ 
% 1.26/0.77              (double_divide @ (inverse @ X1) @ identity)) @ 
% 1.26/0.77             X0)))
% 1.26/0.77           = (inverse @ X0))),
% 1.26/0.77      inference('sup+', [status(thm)], [zip_derived_cl3, zip_derived_cl7])).
% 1.26/0.77  thf(zip_derived_cl2, plain,
% 1.26/0.77      (![X0 : $i]: ((inverse @ X0) = (double_divide @ X0 @ identity))),
% 1.26/0.77      inference('cnf', [status(esa)], [inverse])).
% 1.26/0.77  thf(zip_derived_cl13, plain,
% 1.26/0.77      (![X0 : $i, X1 : $i]:
% 1.26/0.77         ((double_divide @ X1 @ 
% 1.26/0.77           (inverse @ 
% 1.26/0.77            (double_divide @ 
% 1.26/0.77             (double_divide @ identity @ (inverse @ (inverse @ X1))) @ X0)))
% 1.26/0.77           = (inverse @ X0))),
% 1.26/0.77      inference('demod', [status(thm)], [zip_derived_cl11, zip_derived_cl2])).
% 1.26/0.77  thf(zip_derived_cl17, plain,
% 1.26/0.77      (![X0 : $i]:
% 1.26/0.77         ((double_divide @ X0 @ (inverse @ identity))
% 1.26/0.77           = (inverse @ 
% 1.26/0.77              (inverse @ 
% 1.26/0.77               (double_divide @ identity @ (inverse @ (inverse @ X0))))))),
% 1.26/0.77      inference('sup+', [status(thm)], [zip_derived_cl3, zip_derived_cl13])).
% 1.26/0.77  thf(zip_derived_cl2, plain,
% 1.26/0.77      (![X0 : $i]: ((inverse @ X0) = (double_divide @ X0 @ identity))),
% 1.26/0.77      inference('cnf', [status(esa)], [inverse])).
% 1.26/0.77  thf(zip_derived_cl13, plain,
% 1.26/0.77      (![X0 : $i, X1 : $i]:
% 1.26/0.77         ((double_divide @ X1 @ 
% 1.26/0.77           (inverse @ 
% 1.26/0.77            (double_divide @ 
% 1.26/0.77             (double_divide @ identity @ (inverse @ (inverse @ X1))) @ X0)))
% 1.26/0.77           = (inverse @ X0))),
% 1.26/0.77      inference('demod', [status(thm)], [zip_derived_cl11, zip_derived_cl2])).
% 1.26/0.77  thf(zip_derived_cl16, plain,
% 1.26/0.77      (![X0 : $i]:
% 1.26/0.77         ((double_divide @ X0 @ 
% 1.26/0.77           (inverse @ 
% 1.26/0.77            (inverse @ (double_divide @ identity @ (inverse @ (inverse @ X0))))))
% 1.26/0.77           = (inverse @ identity))),
% 1.26/0.77      inference('sup+', [status(thm)], [zip_derived_cl2, zip_derived_cl13])).
% 1.26/0.77  thf(zip_derived_cl31, plain,
% 1.26/0.77      (![X0 : $i]:
% 1.26/0.77         ((double_divide @ X0 @ (double_divide @ X0 @ (inverse @ identity)))
% 1.26/0.77           = (inverse @ identity))),
% 1.26/0.77      inference('sup+', [status(thm)], [zip_derived_cl17, zip_derived_cl16])).
% 1.26/0.77  thf(zip_derived_cl7, plain,
% 1.26/0.77      (![X0 : $i, X1 : $i, X2 : $i]:
% 1.26/0.77         ((double_divide @ X1 @ 
% 1.26/0.77           (inverse @ 
% 1.26/0.77            (double_divide @ 
% 1.26/0.77             (double_divide @ identity @ 
% 1.26/0.77              (double_divide @ (inverse @ X1) @ (double_divide @ X2 @ X0))) @ 
% 1.26/0.77             X2)))
% 1.26/0.77           = (X0))),
% 1.26/0.77      inference('demod', [status(thm)],
% 1.26/0.77                [zip_derived_cl0, zip_derived_cl2, zip_derived_cl2])).
% 1.26/0.77  thf(zip_derived_cl37, plain,
% 1.26/0.77      (![X0 : $i]:
% 1.26/0.77         ((double_divide @ X0 @ 
% 1.26/0.77           (inverse @ 
% 1.26/0.77            (double_divide @ 
% 1.26/0.77             (double_divide @ identity @ (inverse @ identity)) @ (inverse @ X0))))
% 1.26/0.77           = (inverse @ identity))),
% 1.26/0.77      inference('sup+', [status(thm)], [zip_derived_cl31, zip_derived_cl7])).
% 1.26/0.77  thf(zip_derived_cl3, plain,
% 1.26/0.77      (![X0 : $i]: ((identity) = (double_divide @ X0 @ (inverse @ X0)))),
% 1.26/0.77      inference('cnf', [status(esa)], [identity])).
% 1.26/0.77  thf(zip_derived_cl42, plain,
% 1.26/0.77      (![X0 : $i]:
% 1.26/0.77         ((double_divide @ X0 @ 
% 1.26/0.77           (inverse @ (double_divide @ identity @ (inverse @ X0))))
% 1.26/0.77           = (inverse @ identity))),
% 1.26/0.77      inference('demod', [status(thm)], [zip_derived_cl37, zip_derived_cl3])).
% 1.26/0.77  thf(zip_derived_cl46, plain,
% 1.26/0.77      (((double_divide @ identity @ (inverse @ identity))
% 1.26/0.77         = (inverse @ identity))),
% 1.26/0.77      inference('sup+', [status(thm)], [zip_derived_cl3, zip_derived_cl42])).
% 1.26/0.77  thf(zip_derived_cl3, plain,
% 1.26/0.77      (![X0 : $i]: ((identity) = (double_divide @ X0 @ (inverse @ X0)))),
% 1.26/0.77      inference('cnf', [status(esa)], [identity])).
% 1.26/0.77  thf(zip_derived_cl52, plain, (((identity) = (inverse @ identity))),
% 1.26/0.77      inference('demod', [status(thm)], [zip_derived_cl46, zip_derived_cl3])).
% 1.26/0.77  thf(zip_derived_cl2, plain,
% 1.26/0.77      (![X0 : $i]: ((inverse @ X0) = (double_divide @ X0 @ identity))),
% 1.26/0.77      inference('cnf', [status(esa)], [inverse])).
% 1.26/0.77  thf(zip_derived_cl7, plain,
% 1.26/0.77      (![X0 : $i, X1 : $i, X2 : $i]:
% 1.26/0.77         ((double_divide @ X1 @ 
% 1.26/0.77           (inverse @ 
% 1.26/0.77            (double_divide @ 
% 1.26/0.77             (double_divide @ identity @ 
% 1.26/0.77              (double_divide @ (inverse @ X1) @ (double_divide @ X2 @ X0))) @ 
% 1.26/0.77             X2)))
% 1.26/0.77           = (X0))),
% 1.26/0.77      inference('demod', [status(thm)],
% 1.26/0.77                [zip_derived_cl0, zip_derived_cl2, zip_derived_cl2])).
% 1.26/0.77  thf(zip_derived_cl9, plain,
% 1.26/0.77      (![X0 : $i, X1 : $i]:
% 1.26/0.77         ((double_divide @ X1 @ 
% 1.26/0.77           (inverse @ 
% 1.26/0.77            (inverse @ 
% 1.26/0.77             (double_divide @ identity @ 
% 1.26/0.77              (double_divide @ (inverse @ X1) @ (double_divide @ identity @ X0))))))
% 1.26/0.77           = (X0))),
% 1.26/0.77      inference('sup+', [status(thm)], [zip_derived_cl2, zip_derived_cl7])).
% 1.26/0.77  thf(zip_derived_cl13, plain,
% 1.26/0.77      (![X0 : $i, X1 : $i]:
% 1.26/0.77         ((double_divide @ X1 @ 
% 1.26/0.77           (inverse @ 
% 1.26/0.77            (double_divide @ 
% 1.26/0.77             (double_divide @ identity @ (inverse @ (inverse @ X1))) @ X0)))
% 1.26/0.77           = (inverse @ X0))),
% 1.26/0.77      inference('demod', [status(thm)], [zip_derived_cl11, zip_derived_cl2])).
% 1.26/0.77  thf(zip_derived_cl42, plain,
% 1.26/0.77      (![X0 : $i]:
% 1.26/0.77         ((double_divide @ X0 @ 
% 1.26/0.77           (inverse @ (double_divide @ identity @ (inverse @ X0))))
% 1.26/0.77           = (inverse @ identity))),
% 1.26/0.77      inference('demod', [status(thm)], [zip_derived_cl37, zip_derived_cl3])).
% 1.26/0.77  thf(zip_derived_cl52, plain, (((identity) = (inverse @ identity))),
% 1.26/0.77      inference('demod', [status(thm)], [zip_derived_cl46, zip_derived_cl3])).
% 1.26/0.77  thf(zip_derived_cl59, plain,
% 1.26/0.77      (![X0 : $i]:
% 1.26/0.77         ((double_divide @ X0 @ 
% 1.26/0.77           (inverse @ (double_divide @ identity @ (inverse @ X0))))
% 1.26/0.77           = (identity))),
% 1.26/0.77      inference('demod', [status(thm)], [zip_derived_cl42, zip_derived_cl52])).
% 1.26/0.77  thf(zip_derived_cl7, plain,
% 1.26/0.77      (![X0 : $i, X1 : $i, X2 : $i]:
% 1.26/0.77         ((double_divide @ X1 @ 
% 1.26/0.77           (inverse @ 
% 1.26/0.77            (double_divide @ 
% 1.26/0.77             (double_divide @ identity @ 
% 1.26/0.77              (double_divide @ (inverse @ X1) @ (double_divide @ X2 @ X0))) @ 
% 1.26/0.77             X2)))
% 1.26/0.77           = (X0))),
% 1.26/0.77      inference('demod', [status(thm)],
% 1.26/0.77                [zip_derived_cl0, zip_derived_cl2, zip_derived_cl2])).
% 1.26/0.77  thf(zip_derived_cl129, plain,
% 1.26/0.77      (![X0 : $i, X1 : $i]:
% 1.26/0.77         ((double_divide @ X1 @ 
% 1.26/0.77           (inverse @ 
% 1.26/0.77            (double_divide @ 
% 1.26/0.77             (double_divide @ identity @ 
% 1.26/0.77              (double_divide @ (inverse @ X1) @ identity)) @ 
% 1.26/0.77             X0)))
% 1.26/0.77           = (inverse @ (double_divide @ identity @ (inverse @ X0))))),
% 1.26/0.77      inference('sup+', [status(thm)], [zip_derived_cl59, zip_derived_cl7])).
% 1.26/0.77  thf(zip_derived_cl2, plain,
% 1.26/0.77      (![X0 : $i]: ((inverse @ X0) = (double_divide @ X0 @ identity))),
% 1.26/0.77      inference('cnf', [status(esa)], [inverse])).
% 1.26/0.77  thf(zip_derived_cl13, plain,
% 1.26/0.77      (![X0 : $i, X1 : $i]:
% 1.26/0.77         ((double_divide @ X1 @ 
% 1.26/0.77           (inverse @ 
% 1.26/0.77            (double_divide @ 
% 1.26/0.77             (double_divide @ identity @ (inverse @ (inverse @ X1))) @ X0)))
% 1.26/0.77           = (inverse @ X0))),
% 1.26/0.77      inference('demod', [status(thm)], [zip_derived_cl11, zip_derived_cl2])).
% 1.26/0.77  thf(zip_derived_cl151, plain,
% 1.26/0.77      (![X0 : $i]:
% 1.26/0.77         ((inverse @ X0)
% 1.26/0.77           = (inverse @ (double_divide @ identity @ (inverse @ X0))))),
% 1.26/0.77      inference('demod', [status(thm)],
% 1.26/0.77                [zip_derived_cl129, zip_derived_cl2, zip_derived_cl13])).
% 1.26/0.77  thf(zip_derived_cl168, plain,
% 1.26/0.77      (![X0 : $i]:
% 1.26/0.77         ((inverse @ 
% 1.26/0.77           (double_divide @ 
% 1.26/0.77            (double_divide @ identity @ (inverse @ (inverse @ identity))) @ X0))
% 1.26/0.77           = (inverse @ (inverse @ X0)))),
% 1.26/0.77      inference('sup+', [status(thm)], [zip_derived_cl13, zip_derived_cl151])).
% 1.26/0.77  thf(zip_derived_cl52, plain, (((identity) = (inverse @ identity))),
% 1.26/0.77      inference('demod', [status(thm)], [zip_derived_cl46, zip_derived_cl3])).
% 1.26/0.77  thf(zip_derived_cl52, plain, (((identity) = (inverse @ identity))),
% 1.26/0.77      inference('demod', [status(thm)], [zip_derived_cl46, zip_derived_cl3])).
% 1.26/0.77  thf(zip_derived_cl52, plain, (((identity) = (inverse @ identity))),
% 1.26/0.77      inference('demod', [status(thm)], [zip_derived_cl46, zip_derived_cl3])).
% 1.26/0.77  thf(zip_derived_cl3, plain,
% 1.26/0.77      (![X0 : $i]: ((identity) = (double_divide @ X0 @ (inverse @ X0)))),
% 1.26/0.77      inference('cnf', [status(esa)], [identity])).
% 1.26/0.77  thf(zip_derived_cl60, plain,
% 1.26/0.77      (((identity) = (double_divide @ identity @ identity))),
% 1.26/0.77      inference('sup+', [status(thm)], [zip_derived_cl52, zip_derived_cl3])).
% 1.26/0.77  thf(zip_derived_cl176, plain,
% 1.26/0.77      (![X0 : $i]:
% 1.26/0.77         ((inverse @ (double_divide @ identity @ X0))
% 1.26/0.77           = (inverse @ (inverse @ X0)))),
% 1.26/0.77      inference('demod', [status(thm)],
% 1.26/0.77                [zip_derived_cl168, zip_derived_cl52, zip_derived_cl52, 
% 1.26/0.77                 zip_derived_cl60])).
% 1.26/0.77  thf(zip_derived_cl151, plain,
% 1.26/0.77      (![X0 : $i]:
% 1.26/0.77         ((inverse @ X0)
% 1.26/0.77           = (inverse @ (double_divide @ identity @ (inverse @ X0))))),
% 1.26/0.77      inference('demod', [status(thm)],
% 1.26/0.77                [zip_derived_cl129, zip_derived_cl2, zip_derived_cl13])).
% 1.26/0.77  thf(zip_derived_cl151, plain,
% 1.26/0.77      (![X0 : $i]:
% 1.26/0.77         ((inverse @ X0)
% 1.26/0.77           = (inverse @ (double_divide @ identity @ (inverse @ X0))))),
% 1.26/0.77      inference('demod', [status(thm)],
% 1.26/0.77                [zip_derived_cl129, zip_derived_cl2, zip_derived_cl13])).
% 1.26/0.77  thf(zip_derived_cl52, plain, (((identity) = (inverse @ identity))),
% 1.26/0.77      inference('demod', [status(thm)], [zip_derived_cl46, zip_derived_cl3])).
% 1.26/0.77  thf(zip_derived_cl13, plain,
% 1.26/0.77      (![X0 : $i, X1 : $i]:
% 1.26/0.77         ((double_divide @ X1 @ 
% 1.26/0.77           (inverse @ 
% 1.26/0.77            (double_divide @ 
% 1.26/0.77             (double_divide @ identity @ (inverse @ (inverse @ X1))) @ X0)))
% 1.26/0.77           = (inverse @ X0))),
% 1.26/0.77      inference('demod', [status(thm)], [zip_derived_cl11, zip_derived_cl2])).
% 1.26/0.77  thf(zip_derived_cl62, plain,
% 1.26/0.77      (![X0 : $i]:
% 1.26/0.77         ((double_divide @ identity @ 
% 1.26/0.77           (inverse @ 
% 1.26/0.77            (double_divide @ 
% 1.26/0.77             (double_divide @ identity @ (inverse @ identity)) @ X0)))
% 1.26/0.77           = (inverse @ X0))),
% 1.26/0.77      inference('sup+', [status(thm)], [zip_derived_cl52, zip_derived_cl13])).
% 1.26/0.77  thf(zip_derived_cl52, plain, (((identity) = (inverse @ identity))),
% 1.26/0.77      inference('demod', [status(thm)], [zip_derived_cl46, zip_derived_cl3])).
% 1.26/0.77  thf(zip_derived_cl2, plain,
% 1.26/0.77      (![X0 : $i]: ((inverse @ X0) = (double_divide @ X0 @ identity))),
% 1.26/0.77      inference('cnf', [status(esa)], [inverse])).
% 1.26/0.77  thf(zip_derived_cl52, plain, (((identity) = (inverse @ identity))),
% 1.26/0.77      inference('demod', [status(thm)], [zip_derived_cl46, zip_derived_cl3])).
% 1.26/0.77  thf(zip_derived_cl63, plain,
% 1.26/0.77      (![X0 : $i]:
% 1.26/0.77         ((double_divide @ identity @ 
% 1.26/0.77           (inverse @ (double_divide @ identity @ X0))) = (inverse @ X0))),
% 1.26/0.77      inference('demod', [status(thm)],
% 1.26/0.77                [zip_derived_cl62, zip_derived_cl52, zip_derived_cl2, 
% 1.26/0.77                 zip_derived_cl52])).
% 1.26/0.77  thf(zip_derived_cl164, plain,
% 1.26/0.77      (![X0 : $i]:
% 1.26/0.77         ((double_divide @ identity @ (inverse @ X0))
% 1.26/0.77           = (inverse @ (inverse @ X0)))),
% 1.26/0.77      inference('sup+', [status(thm)], [zip_derived_cl151, zip_derived_cl63])).
% 1.26/0.77  thf(zip_derived_cl181, plain,
% 1.26/0.77      (![X0 : $i]: ((inverse @ X0) = (inverse @ (inverse @ (inverse @ X0))))),
% 1.26/0.77      inference('demod', [status(thm)], [zip_derived_cl151, zip_derived_cl164])).
% 1.26/0.77  thf(zip_derived_cl232, plain,
% 1.26/0.77      (![X0 : $i, X1 : $i]:
% 1.26/0.77         ((double_divide @ X1 @ 
% 1.26/0.77           (inverse @ 
% 1.26/0.77            (double_divide @ (inverse @ X1) @ (double_divide @ identity @ X0))))
% 1.26/0.77           = (X0))),
% 1.26/0.77      inference('demod', [status(thm)],
% 1.26/0.77                [zip_derived_cl9, zip_derived_cl176, zip_derived_cl181])).
% 1.26/0.77  thf(zip_derived_cl248, plain,
% 1.26/0.77      (![X0 : $i]:
% 1.26/0.77         ((double_divide @ identity @ 
% 1.26/0.77           (inverse @ 
% 1.26/0.77            (double_divide @ identity @ (double_divide @ identity @ X0))))
% 1.26/0.77           = (X0))),
% 1.26/0.77      inference('sup+', [status(thm)], [zip_derived_cl52, zip_derived_cl232])).
% 1.26/0.77  thf(zip_derived_cl176, plain,
% 1.26/0.77      (![X0 : $i]:
% 1.26/0.77         ((inverse @ (double_divide @ identity @ X0))
% 1.26/0.77           = (inverse @ (inverse @ X0)))),
% 1.26/0.77      inference('demod', [status(thm)],
% 1.26/0.77                [zip_derived_cl168, zip_derived_cl52, zip_derived_cl52, 
% 1.26/0.77                 zip_derived_cl60])).
% 1.26/0.77  thf(zip_derived_cl176, plain,
% 1.26/0.77      (![X0 : $i]:
% 1.26/0.77         ((inverse @ (double_divide @ identity @ X0))
% 1.26/0.77           = (inverse @ (inverse @ X0)))),
% 1.26/0.77      inference('demod', [status(thm)],
% 1.26/0.77                [zip_derived_cl168, zip_derived_cl52, zip_derived_cl52, 
% 1.26/0.77                 zip_derived_cl60])).
% 1.26/0.77  thf(zip_derived_cl181, plain,
% 1.26/0.77      (![X0 : $i]: ((inverse @ X0) = (inverse @ (inverse @ (inverse @ X0))))),
% 1.26/0.77      inference('demod', [status(thm)], [zip_derived_cl151, zip_derived_cl164])).
% 1.26/0.77  thf(zip_derived_cl164, plain,
% 1.26/0.77      (![X0 : $i]:
% 1.26/0.77         ((double_divide @ identity @ (inverse @ X0))
% 1.26/0.77           = (inverse @ (inverse @ X0)))),
% 1.26/0.77      inference('sup+', [status(thm)], [zip_derived_cl151, zip_derived_cl63])).
% 1.26/0.77  thf(zip_derived_cl256, plain,
% 1.26/0.77      (![X0 : $i]: ((inverse @ (inverse @ X0)) = (X0))),
% 1.26/0.77      inference('demod', [status(thm)],
% 1.26/0.77                [zip_derived_cl248, zip_derived_cl176, zip_derived_cl176, 
% 1.26/0.77                 zip_derived_cl181, zip_derived_cl164])).
% 1.26/0.77  thf(zip_derived_cl260, plain, (((a2) != (a2))),
% 1.26/0.77      inference('demod', [status(thm)], [zip_derived_cl6, zip_derived_cl256])).
% 1.26/0.77  thf(zip_derived_cl261, plain, ($false),
% 1.26/0.77      inference('simplify', [status(thm)], [zip_derived_cl260])).
% 1.26/0.77  
% 1.26/0.77  % SZS output end Refutation
% 1.26/0.77  
% 1.26/0.77  
% 1.26/0.77  % Terminating...
% 1.35/0.83  % Runner terminated.
% 1.47/0.84  % Zipperpin 1.5 exiting
%------------------------------------------------------------------------------