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Zipperpin---2.1.9999.UNS-Ref.s

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%------------------------------------------------------------------------------
% File     : Zipperpin---2.1.9999
% Problem  : GRP485-1 : TPTP v9.2.0. Released v2.6.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : python3 /export/starexec/sandbox2/solver/bin/portfolio.lams.parallel.py %s %d /export/starexec/sandbox2/tmp/tmp.pTmf2xaEUu true

% Computer : n016.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 Oct  2 04:36:32 PM UTC 2025

% Result   : Unsatisfiable 0.47s 0.74s
% Output   : Refutation 0.47s
% Verified : 
% SZS Type : -

% Comments : 
%------------------------------------------------------------------------------
%----WARNING: Could not form TPTP format derivation
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.07/0.10  % Problem  : GRP485-1 : TPTP v9.2.0. Released v2.6.0.
% 0.07/0.10  % Command  : python3 /export/starexec/sandbox2/solver/bin/portfolio.lams.parallel.py %s %d /export/starexec/sandbox2/tmp/tmp.pTmf2xaEUu true
% 0.10/0.30  % Computer : n016.cluster.edu
% 0.10/0.30  % Model    : x86_64 x86_64
% 0.10/0.30  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.10/0.30  % Memory   : 8042.1875MB
% 0.10/0.30  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.10/0.30  % CPULimit : 300
% 0.10/0.30  % WCLimit  : 300
% 0.10/0.30  % DateTime : Wed Oct  1 14:05:08 EDT 2025
% 0.10/0.30  % CPUTime  : 
% 0.10/0.30  % Running portfolio for 300 s
% 0.10/0.30  % File         : /export/starexec/sandbox2/benchmark/theBenchmark.p
% 0.10/0.31  % Number of cores: 8
% 0.10/0.31  % Python version: Python 3.6.8
% 0.10/0.31  % Running in FO mode
% 0.44/0.55  % Total configuration time : 435
% 0.44/0.55  % Estimated wc time : 1092
% 0.44/0.55  % Estimated cpu time (7 cpus) : 156.0
% 0.45/0.67  % /export/starexec/sandbox2/solver/bin/fo/fo3_bce.sh running for 75s
% 0.45/0.67  % /export/starexec/sandbox2/solver/bin/fo/fo6_bce.sh running for 75s
% 0.45/0.67  % /export/starexec/sandbox2/solver/bin/fo/fo7.sh running for 63s
% 0.45/0.67  % /export/starexec/sandbox2/solver/bin/fo/fo1_av.sh running for 75s
% 0.45/0.67  % /export/starexec/sandbox2/solver/bin/fo/fo13.sh running for 50s
% 0.45/0.67  % /export/starexec/sandbox2/solver/bin/fo/fo5.sh running for 50s
% 0.45/0.67  % /export/starexec/sandbox2/solver/bin/fo/fo4.sh running for 50s
% 0.47/0.74  % Solved by fo/fo1_av.sh.
% 0.47/0.74  % done 35 iterations in 0.048s
% 0.47/0.74  % SZS status Theorem for '/export/starexec/sandbox2/benchmark/theBenchmark.p'
% 0.47/0.74  % SZS output start Refutation
% 0.47/0.74  thf(identity_type, type, identity: $i).
% 0.47/0.74  thf(multiply_type, type, multiply: $i > $i > $i).
% 0.47/0.74  thf(a2_type, type, a2: $i).
% 0.47/0.74  thf(double_divide_type, type, double_divide: $i > $i > $i).
% 0.47/0.74  thf(inverse_type, type, inverse: $i > $i).
% 0.47/0.74  thf(prove_these_axioms_2, conjecture,
% 0.47/0.74    (( multiply @ identity @ a2 ) = ( a2 ))).
% 0.47/0.74  thf(zf_stmt_0, negated_conjecture, (( multiply @ identity @ a2 ) != ( a2 )),
% 0.47/0.74    inference('cnf.neg', [status(esa)], [prove_these_axioms_2])).
% 0.47/0.74  thf(zip_derived_cl4, plain, (((multiply @ identity @ a2) != (a2))),
% 0.47/0.74      inference('cnf', [status(esa)], [zf_stmt_0])).
% 0.47/0.74  thf(multiply, axiom,
% 0.47/0.74    (( multiply @ A @ B ) =
% 0.47/0.74     ( double_divide @ ( double_divide @ B @ A ) @ identity ))).
% 0.47/0.74  thf(zip_derived_cl1, plain,
% 0.47/0.74      (![X0 : $i, X1 : $i]:
% 0.47/0.74         ((multiply @ X1 @ X0)
% 0.47/0.74           = (double_divide @ (double_divide @ X0 @ X1) @ identity))),
% 0.47/0.74      inference('cnf', [status(esa)], [multiply])).
% 0.47/0.74  thf(zip_derived_cl6, plain,
% 0.47/0.74      (((double_divide @ (double_divide @ a2 @ identity) @ identity) != (a2))),
% 0.47/0.74      inference('demod', [status(thm)], [zip_derived_cl4, zip_derived_cl1])).
% 0.47/0.74  thf(identity, axiom,
% 0.47/0.74    (( identity ) = ( double_divide @ A @ ( inverse @ A ) ))).
% 0.47/0.74  thf(zip_derived_cl3, plain,
% 0.47/0.74      (![X0 : $i]: ((identity) = (double_divide @ X0 @ (inverse @ X0)))),
% 0.47/0.74      inference('cnf', [status(esa)], [identity])).
% 0.47/0.74  thf(inverse, axiom, (( inverse @ A ) = ( double_divide @ A @ identity ))).
% 0.47/0.74  thf(zip_derived_cl2, plain,
% 0.47/0.74      (![X0 : $i]: ((inverse @ X0) = (double_divide @ X0 @ identity))),
% 0.47/0.74      inference('cnf', [status(esa)], [inverse])).
% 0.47/0.74  thf(zip_derived_cl5, plain,
% 0.47/0.74      (![X0 : $i]:
% 0.47/0.74         ((identity) = (double_divide @ X0 @ (double_divide @ X0 @ identity)))),
% 0.47/0.74      inference('demod', [status(thm)], [zip_derived_cl3, zip_derived_cl2])).
% 0.47/0.74  thf(zip_derived_cl5, plain,
% 0.47/0.74      (![X0 : $i]:
% 0.47/0.74         ((identity) = (double_divide @ X0 @ (double_divide @ X0 @ identity)))),
% 0.47/0.74      inference('demod', [status(thm)], [zip_derived_cl3, zip_derived_cl2])).
% 0.47/0.74  thf(zip_derived_cl5, plain,
% 0.47/0.74      (![X0 : $i]:
% 0.47/0.74         ((identity) = (double_divide @ X0 @ (double_divide @ X0 @ identity)))),
% 0.47/0.74      inference('demod', [status(thm)], [zip_derived_cl3, zip_derived_cl2])).
% 0.47/0.74  thf(single_axiom, axiom,
% 0.47/0.74    (( double_divide @
% 0.47/0.74       ( double_divide @
% 0.47/0.74         A @ 
% 0.47/0.74         ( double_divide @
% 0.47/0.74           ( double_divide @ ( double_divide @ A @ B ) @ C ) @ 
% 0.47/0.74           ( double_divide @ B @ identity ) ) ) @ 
% 0.47/0.74       ( double_divide @ identity @ identity ) ) =
% 0.47/0.74     ( C ))).
% 0.47/0.74  thf(zip_derived_cl0, plain,
% 0.47/0.74      (![X0 : $i, X1 : $i, X2 : $i]:
% 0.47/0.74         ((double_divide @ 
% 0.47/0.74           (double_divide @ X1 @ 
% 0.47/0.74            (double_divide @ 
% 0.47/0.74             (double_divide @ (double_divide @ X1 @ X2) @ X0) @ 
% 0.47/0.74             (double_divide @ X2 @ identity))) @ 
% 0.47/0.74           (double_divide @ identity @ identity)) = (X0))),
% 0.47/0.74      inference('cnf', [status(esa)], [single_axiom])).
% 0.47/0.74  thf(zip_derived_cl11, plain,
% 0.47/0.74      (![X0 : $i, X1 : $i]:
% 0.47/0.74         ((double_divide @ 
% 0.47/0.74           (double_divide @ X1 @ 
% 0.47/0.74            (double_divide @ identity @ (double_divide @ X0 @ identity))) @ 
% 0.47/0.74           (double_divide @ identity @ identity))
% 0.47/0.74           = (double_divide @ (double_divide @ X1 @ X0) @ identity))),
% 0.47/0.74      inference('s_sup+', [status(thm)], [zip_derived_cl5, zip_derived_cl0])).
% 0.47/0.74  thf(zip_derived_cl18, plain,
% 0.47/0.74      (![X0 : $i]:
% 0.47/0.74         ((double_divide @ (double_divide @ X0 @ identity) @ 
% 0.47/0.74           (double_divide @ identity @ identity))
% 0.47/0.74           = (double_divide @ (double_divide @ X0 @ identity) @ identity))),
% 0.47/0.74      inference('s_sup+', [status(thm)], [zip_derived_cl5, zip_derived_cl11])).
% 0.47/0.74  thf(zip_derived_cl11, plain,
% 0.47/0.74      (![X0 : $i, X1 : $i]:
% 0.47/0.74         ((double_divide @ 
% 0.47/0.74           (double_divide @ X1 @ 
% 0.47/0.74            (double_divide @ identity @ (double_divide @ X0 @ identity))) @ 
% 0.47/0.74           (double_divide @ identity @ identity))
% 0.47/0.74           = (double_divide @ (double_divide @ X1 @ X0) @ identity))),
% 0.47/0.74      inference('s_sup+', [status(thm)], [zip_derived_cl5, zip_derived_cl0])).
% 0.47/0.74  thf(zip_derived_cl0, plain,
% 0.47/0.74      (![X0 : $i, X1 : $i, X2 : $i]:
% 0.47/0.74         ((double_divide @ 
% 0.47/0.74           (double_divide @ X1 @ 
% 0.47/0.74            (double_divide @ 
% 0.47/0.74             (double_divide @ (double_divide @ X1 @ X2) @ X0) @ 
% 0.47/0.74             (double_divide @ X2 @ identity))) @ 
% 0.47/0.74           (double_divide @ identity @ identity)) = (X0))),
% 0.47/0.74      inference('cnf', [status(esa)], [single_axiom])).
% 0.47/0.74  thf(zip_derived_cl0, plain,
% 0.47/0.74      (![X0 : $i, X1 : $i, X2 : $i]:
% 0.47/0.74         ((double_divide @ 
% 0.47/0.74           (double_divide @ X1 @ 
% 0.47/0.74            (double_divide @ 
% 0.47/0.74             (double_divide @ (double_divide @ X1 @ X2) @ X0) @ 
% 0.47/0.74             (double_divide @ X2 @ identity))) @ 
% 0.47/0.74           (double_divide @ identity @ identity)) = (X0))),
% 0.47/0.74      inference('cnf', [status(esa)], [single_axiom])).
% 0.47/0.74  thf(zip_derived_cl9, plain,
% 0.47/0.74      (![X0 : $i, X1 : $i, X2 : $i]:
% 0.47/0.74         ((double_divide @ (double_divide @ X2 @ X0) @ 
% 0.47/0.74           (double_divide @ identity @ identity))
% 0.47/0.74           = (double_divide @ 
% 0.47/0.74              (double_divide @ 
% 0.47/0.74               (double_divide @ (double_divide @ X2 @ identity) @ X1) @ X0) @ 
% 0.47/0.74              (double_divide @ X1 @ identity)))),
% 0.47/0.74      inference('s_sup+', [status(thm)], [zip_derived_cl0, zip_derived_cl0])).
% 0.47/0.74  thf(zip_derived_cl29, plain,
% 0.47/0.74      (![X0 : $i, X1 : $i]:
% 0.47/0.74         ((double_divide @ 
% 0.47/0.74           (double_divide @ X1 @ 
% 0.47/0.74            (double_divide @ identity @ (double_divide @ X0 @ identity))) @ 
% 0.47/0.74           (double_divide @ identity @ identity))
% 0.47/0.74           = (double_divide @ 
% 0.47/0.74              (double_divide @ 
% 0.47/0.74               (double_divide @ (double_divide @ X1 @ identity) @ identity) @ 
% 0.47/0.74               X0) @ 
% 0.47/0.74              identity))),
% 0.47/0.74      inference('s_sup+', [status(thm)], [zip_derived_cl11, zip_derived_cl9])).
% 0.47/0.74  thf(zip_derived_cl11, plain,
% 0.47/0.74      (![X0 : $i, X1 : $i]:
% 0.47/0.74         ((double_divide @ 
% 0.47/0.74           (double_divide @ X1 @ 
% 0.47/0.74            (double_divide @ identity @ (double_divide @ X0 @ identity))) @ 
% 0.47/0.74           (double_divide @ identity @ identity))
% 0.47/0.74           = (double_divide @ (double_divide @ X1 @ X0) @ identity))),
% 0.47/0.74      inference('s_sup+', [status(thm)], [zip_derived_cl5, zip_derived_cl0])).
% 0.47/0.74  thf(zip_derived_cl39, plain,
% 0.47/0.74      (![X0 : $i, X1 : $i]:
% 0.47/0.74         ((double_divide @ (double_divide @ X1 @ X0) @ identity)
% 0.47/0.74           = (double_divide @ 
% 0.47/0.74              (double_divide @ 
% 0.47/0.74               (double_divide @ (double_divide @ X1 @ identity) @ identity) @ 
% 0.47/0.74               X0) @ 
% 0.47/0.74              identity))),
% 0.47/0.74      inference('demod', [status(thm)], [zip_derived_cl29, zip_derived_cl11])).
% 0.47/0.74  thf(zip_derived_cl62, plain,
% 0.47/0.74      (![X0 : $i]:
% 0.47/0.74         ((double_divide @ 
% 0.47/0.74           (double_divide @ X0 @ (double_divide @ identity @ identity)) @ 
% 0.47/0.74           identity)
% 0.47/0.74           = (double_divide @ 
% 0.47/0.74              (double_divide @ 
% 0.47/0.74               (double_divide @ (double_divide @ X0 @ identity) @ identity) @ 
% 0.47/0.74               identity) @ 
% 0.47/0.74              identity))),
% 0.47/0.74      inference('s_sup+', [status(thm)], [zip_derived_cl18, zip_derived_cl39])).
% 0.47/0.74  thf(zip_derived_cl39, plain,
% 0.47/0.74      (![X0 : $i, X1 : $i]:
% 0.47/0.74         ((double_divide @ (double_divide @ X1 @ X0) @ identity)
% 0.47/0.74           = (double_divide @ 
% 0.47/0.74              (double_divide @ 
% 0.47/0.74               (double_divide @ (double_divide @ X1 @ identity) @ identity) @ 
% 0.47/0.74               X0) @ 
% 0.47/0.74              identity))),
% 0.47/0.74      inference('demod', [status(thm)], [zip_derived_cl29, zip_derived_cl11])).
% 0.47/0.74  thf(zip_derived_cl67, plain,
% 0.47/0.74      (![X0 : $i]:
% 0.47/0.74         ((double_divide @ 
% 0.47/0.74           (double_divide @ X0 @ (double_divide @ identity @ identity)) @ 
% 0.47/0.74           identity)
% 0.47/0.74           = (double_divide @ (double_divide @ X0 @ identity) @ identity))),
% 0.47/0.74      inference('demod', [status(thm)], [zip_derived_cl62, zip_derived_cl39])).
% 0.47/0.74  thf(zip_derived_cl88, plain,
% 0.47/0.74      (((double_divide @ identity @ identity)
% 0.47/0.74         = (double_divide @ (double_divide @ identity @ identity) @ identity))),
% 0.47/0.74      inference('s_sup+', [status(thm)], [zip_derived_cl5, zip_derived_cl67])).
% 0.47/0.74  thf(zip_derived_cl5, plain,
% 0.47/0.74      (![X0 : $i]:
% 0.47/0.74         ((identity) = (double_divide @ X0 @ (double_divide @ X0 @ identity)))),
% 0.47/0.74      inference('demod', [status(thm)], [zip_derived_cl3, zip_derived_cl2])).
% 0.47/0.74  thf(zip_derived_cl103, plain,
% 0.47/0.74      (((identity)
% 0.47/0.74         = (double_divide @ (double_divide @ identity @ identity) @ 
% 0.47/0.74            (double_divide @ identity @ identity)))),
% 0.47/0.74      inference('s_sup+', [status(thm)], [zip_derived_cl88, zip_derived_cl5])).
% 0.47/0.74  thf(zip_derived_cl0, plain,
% 0.47/0.74      (![X0 : $i, X1 : $i, X2 : $i]:
% 0.47/0.74         ((double_divide @ 
% 0.47/0.74           (double_divide @ X1 @ 
% 0.47/0.74            (double_divide @ 
% 0.47/0.74             (double_divide @ (double_divide @ X1 @ X2) @ X0) @ 
% 0.47/0.74             (double_divide @ X2 @ identity))) @ 
% 0.47/0.74           (double_divide @ identity @ identity)) = (X0))),
% 0.47/0.74      inference('cnf', [status(esa)], [single_axiom])).
% 0.47/0.74  thf(zip_derived_cl117, plain,
% 0.47/0.74      (![X0 : $i]:
% 0.47/0.74         ((double_divide @ 
% 0.47/0.74           (double_divide @ (double_divide @ identity @ identity) @ 
% 0.47/0.74            (double_divide @ (double_divide @ identity @ X0) @ 
% 0.47/0.74             (double_divide @ (double_divide @ identity @ identity) @ identity))) @ 
% 0.47/0.74           (double_divide @ identity @ identity)) = (X0))),
% 0.47/0.74      inference('s_sup+', [status(thm)], [zip_derived_cl103, zip_derived_cl0])).
% 0.47/0.74  thf(zip_derived_cl88, plain,
% 0.47/0.74      (((double_divide @ identity @ identity)
% 0.47/0.74         = (double_divide @ (double_divide @ identity @ identity) @ identity))),
% 0.47/0.74      inference('s_sup+', [status(thm)], [zip_derived_cl5, zip_derived_cl67])).
% 0.47/0.74  thf(zip_derived_cl122, plain,
% 0.47/0.74      (![X0 : $i]:
% 0.47/0.74         ((double_divide @ 
% 0.47/0.74           (double_divide @ (double_divide @ identity @ identity) @ 
% 0.47/0.74            (double_divide @ (double_divide @ identity @ X0) @ 
% 0.47/0.74             (double_divide @ identity @ identity))) @ 
% 0.47/0.74           (double_divide @ identity @ identity)) = (X0))),
% 0.47/0.74      inference('demod', [status(thm)], [zip_derived_cl117, zip_derived_cl88])).
% 0.47/0.74  thf(zip_derived_cl103, plain,
% 0.47/0.74      (((identity)
% 0.47/0.74         = (double_divide @ (double_divide @ identity @ identity) @ 
% 0.47/0.74            (double_divide @ identity @ identity)))),
% 0.47/0.74      inference('s_sup+', [status(thm)], [zip_derived_cl88, zip_derived_cl5])).
% 0.47/0.74  thf(zip_derived_cl0, plain,
% 0.47/0.74      (![X0 : $i, X1 : $i, X2 : $i]:
% 0.47/0.74         ((double_divide @ 
% 0.47/0.74           (double_divide @ X1 @ 
% 0.47/0.74            (double_divide @ 
% 0.47/0.74             (double_divide @ (double_divide @ X1 @ X2) @ X0) @ 
% 0.47/0.74             (double_divide @ X2 @ identity))) @ 
% 0.47/0.74           (double_divide @ identity @ identity)) = (X0))),
% 0.47/0.74      inference('cnf', [status(esa)], [single_axiom])).
% 0.47/0.74  thf(zip_derived_cl119, plain,
% 0.47/0.74      (((double_divide @ 
% 0.47/0.74         (double_divide @ identity @ 
% 0.47/0.74          (double_divide @ identity @ (double_divide @ identity @ identity))) @ 
% 0.47/0.74         (double_divide @ identity @ identity))
% 0.47/0.74         = (double_divide @ identity @ identity))),
% 0.47/0.74      inference('s_sup+', [status(thm)], [zip_derived_cl103, zip_derived_cl0])).
% 0.47/0.74  thf(zip_derived_cl5, plain,
% 0.47/0.74      (![X0 : $i]:
% 0.47/0.74         ((identity) = (double_divide @ X0 @ (double_divide @ X0 @ identity)))),
% 0.47/0.74      inference('demod', [status(thm)], [zip_derived_cl3, zip_derived_cl2])).
% 0.47/0.74  thf(zip_derived_cl103, plain,
% 0.47/0.74      (((identity)
% 0.47/0.74         = (double_divide @ (double_divide @ identity @ identity) @ 
% 0.47/0.74            (double_divide @ identity @ identity)))),
% 0.47/0.74      inference('s_sup+', [status(thm)], [zip_derived_cl88, zip_derived_cl5])).
% 0.47/0.74  thf(zip_derived_cl124, plain,
% 0.47/0.74      (((identity) = (double_divide @ identity @ identity))),
% 0.47/0.74      inference('demod', [status(thm)],
% 0.47/0.74                [zip_derived_cl119, zip_derived_cl5, zip_derived_cl103])).
% 0.47/0.74  thf(zip_derived_cl124, plain,
% 0.47/0.74      (((identity) = (double_divide @ identity @ identity))),
% 0.47/0.74      inference('demod', [status(thm)],
% 0.47/0.74                [zip_derived_cl119, zip_derived_cl5, zip_derived_cl103])).
% 0.47/0.74  thf(zip_derived_cl124, plain,
% 0.47/0.74      (((identity) = (double_divide @ identity @ identity))),
% 0.47/0.74      inference('demod', [status(thm)],
% 0.47/0.74                [zip_derived_cl119, zip_derived_cl5, zip_derived_cl103])).
% 0.47/0.74  thf(zip_derived_cl171, plain,
% 0.47/0.74      (![X0 : $i]:
% 0.47/0.74         ((double_divide @ 
% 0.47/0.74           (double_divide @ identity @ 
% 0.47/0.74            (double_divide @ (double_divide @ identity @ X0) @ identity)) @ 
% 0.47/0.74           identity) = (X0))),
% 0.47/0.74      inference('demod', [status(thm)],
% 0.47/0.74                [zip_derived_cl122, zip_derived_cl124, zip_derived_cl124, 
% 0.47/0.74                 zip_derived_cl124])).
% 0.47/0.74  thf(zip_derived_cl11, plain,
% 0.47/0.74      (![X0 : $i, X1 : $i]:
% 0.47/0.74         ((double_divide @ 
% 0.47/0.74           (double_divide @ X1 @ 
% 0.47/0.74            (double_divide @ identity @ (double_divide @ X0 @ identity))) @ 
% 0.47/0.74           (double_divide @ identity @ identity))
% 0.47/0.74           = (double_divide @ (double_divide @ X1 @ X0) @ identity))),
% 0.47/0.74      inference('s_sup+', [status(thm)], [zip_derived_cl5, zip_derived_cl0])).
% 0.47/0.74  thf(zip_derived_cl124, plain,
% 0.47/0.74      (((identity) = (double_divide @ identity @ identity))),
% 0.47/0.74      inference('demod', [status(thm)],
% 0.47/0.74                [zip_derived_cl119, zip_derived_cl5, zip_derived_cl103])).
% 0.47/0.74  thf(zip_derived_cl128, plain,
% 0.47/0.74      (![X0 : $i, X1 : $i]:
% 0.47/0.74         ((double_divide @ 
% 0.47/0.74           (double_divide @ X1 @ 
% 0.47/0.74            (double_divide @ identity @ (double_divide @ X0 @ identity))) @ 
% 0.47/0.74           identity) = (double_divide @ (double_divide @ X1 @ X0) @ identity))),
% 0.47/0.74      inference('demod', [status(thm)], [zip_derived_cl11, zip_derived_cl124])).
% 0.47/0.74  thf(zip_derived_cl171, plain,
% 0.47/0.74      (![X0 : $i]:
% 0.47/0.74         ((double_divide @ 
% 0.47/0.74           (double_divide @ identity @ 
% 0.47/0.74            (double_divide @ (double_divide @ identity @ X0) @ identity)) @ 
% 0.47/0.74           identity) = (X0))),
% 0.47/0.74      inference('demod', [status(thm)],
% 0.47/0.74                [zip_derived_cl122, zip_derived_cl124, zip_derived_cl124, 
% 0.47/0.74                 zip_derived_cl124])).
% 0.47/0.74  thf(zip_derived_cl178, plain,
% 0.47/0.74      (![X0 : $i]:
% 0.47/0.74         ((double_divide @ 
% 0.47/0.74           (double_divide @ identity @ 
% 0.47/0.74            (double_divide @ (double_divide @ identity @ X0) @ identity)) @ 
% 0.47/0.74           identity)
% 0.47/0.74           = (double_divide @ identity @ (double_divide @ X0 @ identity)))),
% 0.47/0.74      inference('s_sup+', [status(thm)], [zip_derived_cl128, zip_derived_cl171])).
% 0.47/0.74  thf(zip_derived_cl171, plain,
% 0.47/0.74      (![X0 : $i]:
% 0.47/0.74         ((double_divide @ 
% 0.47/0.74           (double_divide @ identity @ 
% 0.47/0.74            (double_divide @ (double_divide @ identity @ X0) @ identity)) @ 
% 0.47/0.74           identity) = (X0))),
% 0.47/0.74      inference('demod', [status(thm)],
% 0.47/0.74                [zip_derived_cl122, zip_derived_cl124, zip_derived_cl124, 
% 0.47/0.74                 zip_derived_cl124])).
% 0.47/0.74  thf(zip_derived_cl183, plain,
% 0.47/0.74      (![X0 : $i]:
% 0.47/0.74         ((X0) = (double_divide @ identity @ (double_divide @ X0 @ identity)))),
% 0.47/0.74      inference('demod', [status(thm)], [zip_derived_cl178, zip_derived_cl171])).
% 0.47/0.74  thf(zip_derived_cl186, plain,
% 0.47/0.74      (![X0 : $i]:
% 0.47/0.74         ((double_divide @ (double_divide @ identity @ X0) @ identity) = (X0))),
% 0.47/0.74      inference('demod', [status(thm)], [zip_derived_cl171, zip_derived_cl183])).
% 0.47/0.74  thf(zip_derived_cl39, plain,
% 0.47/0.74      (![X0 : $i, X1 : $i]:
% 0.47/0.74         ((double_divide @ (double_divide @ X1 @ X0) @ identity)
% 0.47/0.74           = (double_divide @ 
% 0.47/0.74              (double_divide @ 
% 0.47/0.74               (double_divide @ (double_divide @ X1 @ identity) @ identity) @ 
% 0.47/0.74               X0) @ 
% 0.47/0.74              identity))),
% 0.47/0.74      inference('demod', [status(thm)], [zip_derived_cl29, zip_derived_cl11])).
% 0.47/0.74  thf(zip_derived_cl0, plain,
% 0.47/0.74      (![X0 : $i, X1 : $i, X2 : $i]:
% 0.47/0.74         ((double_divide @ 
% 0.47/0.74           (double_divide @ X1 @ 
% 0.47/0.74            (double_divide @ 
% 0.47/0.74             (double_divide @ (double_divide @ X1 @ X2) @ X0) @ 
% 0.47/0.74             (double_divide @ X2 @ identity))) @ 
% 0.47/0.74           (double_divide @ identity @ identity)) = (X0))),
% 0.47/0.74      inference('cnf', [status(esa)], [single_axiom])).
% 0.47/0.74  thf(zip_derived_cl9, plain,
% 0.47/0.74      (![X0 : $i, X1 : $i, X2 : $i]:
% 0.47/0.74         ((double_divide @ (double_divide @ X2 @ X0) @ 
% 0.47/0.74           (double_divide @ identity @ identity))
% 0.47/0.74           = (double_divide @ 
% 0.47/0.74              (double_divide @ 
% 0.47/0.74               (double_divide @ (double_divide @ X2 @ identity) @ X1) @ X0) @ 
% 0.47/0.74              (double_divide @ X1 @ identity)))),
% 0.47/0.74      inference('s_sup+', [status(thm)], [zip_derived_cl0, zip_derived_cl0])).
% 0.47/0.74  thf(zip_derived_cl32, plain,
% 0.47/0.74      (![X0 : $i, X1 : $i, X2 : $i]:
% 0.47/0.74         ((double_divide @ 
% 0.47/0.74           (double_divide @ X2 @ (double_divide @ identity @ identity)) @ 
% 0.47/0.74           (double_divide @ identity @ identity))
% 0.47/0.74           = (double_divide @ X0 @ 
% 0.47/0.74              (double_divide @ 
% 0.47/0.74               (double_divide @ 
% 0.47/0.74                (double_divide @ 
% 0.47/0.74                 (double_divide @ (double_divide @ X2 @ identity) @ X1) @ X0) @ 
% 0.47/0.74                (double_divide @ X1 @ identity)) @ 
% 0.47/0.74               identity)))),
% 0.47/0.74      inference('s_sup+', [status(thm)], [zip_derived_cl0, zip_derived_cl9])).
% 0.47/0.74  thf(zip_derived_cl9, plain,
% 0.47/0.74      (![X0 : $i, X1 : $i, X2 : $i]:
% 0.47/0.74         ((double_divide @ (double_divide @ X2 @ X0) @ 
% 0.47/0.74           (double_divide @ identity @ identity))
% 0.47/0.74           = (double_divide @ 
% 0.47/0.74              (double_divide @ 
% 0.47/0.74               (double_divide @ (double_divide @ X2 @ identity) @ X1) @ X0) @ 
% 0.47/0.74              (double_divide @ X1 @ identity)))),
% 0.47/0.74      inference('s_sup+', [status(thm)], [zip_derived_cl0, zip_derived_cl0])).
% 0.47/0.74  thf(zip_derived_cl41, plain,
% 0.47/0.74      (![X0 : $i, X2 : $i]:
% 0.47/0.74         ((double_divide @ 
% 0.47/0.74           (double_divide @ X2 @ (double_divide @ identity @ identity)) @ 
% 0.47/0.74           (double_divide @ identity @ identity))
% 0.47/0.74           = (double_divide @ X0 @ 
% 0.47/0.74              (double_divide @ 
% 0.47/0.74               (double_divide @ (double_divide @ X2 @ X0) @ 
% 0.47/0.74                (double_divide @ identity @ identity)) @ 
% 0.47/0.74               identity)))),
% 0.47/0.74      inference('demod', [status(thm)], [zip_derived_cl32, zip_derived_cl9])).
% 0.47/0.74  thf(zip_derived_cl124, plain,
% 0.47/0.74      (((identity) = (double_divide @ identity @ identity))),
% 0.47/0.74      inference('demod', [status(thm)],
% 0.47/0.74                [zip_derived_cl119, zip_derived_cl5, zip_derived_cl103])).
% 0.47/0.74  thf(zip_derived_cl124, plain,
% 0.47/0.74      (((identity) = (double_divide @ identity @ identity))),
% 0.47/0.74      inference('demod', [status(thm)],
% 0.47/0.74                [zip_derived_cl119, zip_derived_cl5, zip_derived_cl103])).
% 0.47/0.74  thf(zip_derived_cl124, plain,
% 0.47/0.74      (((identity) = (double_divide @ identity @ identity))),
% 0.47/0.74      inference('demod', [status(thm)],
% 0.47/0.74                [zip_derived_cl119, zip_derived_cl5, zip_derived_cl103])).
% 0.47/0.74  thf(zip_derived_cl194, plain,
% 0.47/0.74      (![X0 : $i, X2 : $i]:
% 0.47/0.74         ((double_divide @ (double_divide @ X2 @ identity) @ identity)
% 0.47/0.74           = (double_divide @ X0 @ 
% 0.47/0.74              (double_divide @ 
% 0.47/0.74               (double_divide @ (double_divide @ X2 @ X0) @ identity) @ 
% 0.47/0.74               identity)))),
% 0.47/0.74      inference('demod', [status(thm)],
% 0.47/0.74                [zip_derived_cl41, zip_derived_cl124, zip_derived_cl124, 
% 0.47/0.74                 zip_derived_cl124])).
% 0.47/0.74  thf(zip_derived_cl198, plain,
% 0.47/0.74      (![X0 : $i]:
% 0.47/0.74         ((double_divide @ 
% 0.47/0.74           (double_divide @ (double_divide @ X0 @ identity) @ identity) @ 
% 0.47/0.74           identity)
% 0.47/0.74           = (double_divide @ identity @ 
% 0.47/0.74              (double_divide @ (double_divide @ X0 @ identity) @ identity)))),
% 0.47/0.74      inference('s_sup+', [status(thm)], [zip_derived_cl39, zip_derived_cl194])).
% 0.47/0.74  thf(zip_derived_cl183, plain,
% 0.47/0.74      (![X0 : $i]:
% 0.47/0.74         ((X0) = (double_divide @ identity @ (double_divide @ X0 @ identity)))),
% 0.47/0.74      inference('demod', [status(thm)], [zip_derived_cl178, zip_derived_cl171])).
% 0.47/0.74  thf(zip_derived_cl207, plain,
% 0.47/0.74      (![X0 : $i]:
% 0.47/0.74         ((double_divide @ 
% 0.47/0.74           (double_divide @ (double_divide @ X0 @ identity) @ identity) @ 
% 0.47/0.74           identity) = (double_divide @ X0 @ identity))),
% 0.47/0.74      inference('demod', [status(thm)], [zip_derived_cl198, zip_derived_cl183])).
% 0.47/0.74  thf(zip_derived_cl274, plain,
% 0.47/0.74      (![X0 : $i]:
% 0.47/0.74         ((double_divide @ (double_divide @ X0 @ identity) @ identity) = (X0))),
% 0.47/0.74      inference('s_sup+', [status(thm)], [zip_derived_cl186, zip_derived_cl207])).
% 0.47/0.74  thf(zip_derived_cl285, plain, (((a2) != (a2))),
% 0.47/0.74      inference('demod', [status(thm)], [zip_derived_cl6, zip_derived_cl274])).
% 0.47/0.74  thf(zip_derived_cl286, plain, ($false),
% 0.47/0.74      inference('simplify', [status(thm)], [zip_derived_cl285])).
% 0.47/0.74  
% 0.47/0.74  % SZS output end Refutation
% 0.47/0.74  
% 0.47/0.74  
% 0.47/0.74  % Terminating...
% 1.45/0.78  % Runner terminated.
% 1.45/0.79  % Zipperpin 1.5 exiting
%------------------------------------------------------------------------------