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Zipperpin---2.1.9999.UNS-Ref.s

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%------------------------------------------------------------------------------
% File     : Zipperpin---2.1.9999
% Problem  : GRP203-1 : TPTP v9.2.0. Released v2.2.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : python3 /export/starexec/sandbox/solver/bin/portfolio.lams.parallel.py %s %d /export/starexec/sandbox/tmp/tmp.ptJEbmmONz true

% Computer : n011.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 04:36:00 PM UTC 2025

% Result   : Unsatisfiable 102.53s 15.22s
% Output   : Refutation 102.53s
% Verified : 
% SZS Type : -

% Comments : 
%------------------------------------------------------------------------------
%----WARNING: Could not form TPTP format derivation
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.12  % Problem  : GRP203-1 : TPTP v9.2.0. Released v2.2.0.
% 0.12/0.13  % Command  : python3 /export/starexec/sandbox/solver/bin/portfolio.lams.parallel.py %s %d /export/starexec/sandbox/tmp/tmp.ptJEbmmONz true
% 0.13/0.34  % Computer : n011.cluster.edu
% 0.13/0.34  % Model    : x86_64 x86_64
% 0.13/0.34  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.13/0.34  % Memory   : 8042.1875MB
% 0.13/0.34  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.13/0.34  % CPULimit : 300
% 0.13/0.34  % WCLimit  : 300
% 0.13/0.34  % DateTime : Wed Oct  1 14:07:23 EDT 2025
% 0.13/0.34  % CPUTime  : 
% 0.13/0.34  % Running portfolio for 300 s
% 0.13/0.34  % File         : /export/starexec/sandbox/benchmark/theBenchmark.p
% 0.13/0.34  % Number of cores: 8
% 0.13/0.34  % Python version: Python 3.6.8
% 0.13/0.35  % Running in FO mode
% 0.55/0.66  % Total configuration time : 435
% 0.55/0.66  % Estimated wc time : 1092
% 0.55/0.66  % Estimated cpu time (7 cpus) : 156.0
% 0.55/0.70  % /export/starexec/sandbox/solver/bin/fo/fo6_bce.sh running for 75s
% 0.55/0.71  % /export/starexec/sandbox/solver/bin/fo/fo3_bce.sh running for 75s
% 0.55/0.72  % /export/starexec/sandbox/solver/bin/fo/fo1_av.sh running for 75s
% 0.55/0.72  % /export/starexec/sandbox/solver/bin/fo/fo7.sh running for 63s
% 0.55/0.74  % /export/starexec/sandbox/solver/bin/fo/fo13.sh running for 50s
% 0.55/0.76  % /export/starexec/sandbox/solver/bin/fo/fo5.sh running for 50s
% 0.55/0.78  % /export/starexec/sandbox/solver/bin/fo/fo4.sh running for 50s
% 102.53/15.22  % Solved by fo/fo4.sh.
% 102.53/15.22  % done 1055 iterations in 14.408s
% 102.53/15.22  % SZS status Theorem for '/export/starexec/sandbox/benchmark/theBenchmark.p'
% 102.53/15.22  % SZS output start Refutation
% 102.53/15.22  thf(c_type, type, c: $i).
% 102.53/15.22  thf(identity_type, type, identity: $i).
% 102.53/15.22  thf(multiply_type, type, multiply: $i > $i > $i).
% 102.53/15.22  thf(b_type, type, b: $i).
% 102.53/15.22  thf(left_inverse_type, type, left_inverse: $i > $i).
% 102.53/15.22  thf(a_type, type, a: $i).
% 102.53/15.22  thf(prove_moufang2, conjecture,
% 102.53/15.22    (( multiply @ ( multiply @ ( multiply @ a @ b ) @ c ) @ b ) =
% 102.53/15.22     ( multiply @ a @ ( multiply @ b @ ( multiply @ c @ b ) ) ))).
% 102.53/15.22  thf(zf_stmt_0, negated_conjecture,
% 102.53/15.22    (( multiply @ ( multiply @ ( multiply @ a @ b ) @ c ) @ b ) !=
% 102.53/15.22     ( multiply @ a @ ( multiply @ b @ ( multiply @ c @ b ) ) )),
% 102.53/15.22    inference('cnf.neg', [status(esa)], [prove_moufang2])).
% 102.53/15.22  thf(zip_derived_cl3, plain,
% 102.53/15.22      (((multiply @ (multiply @ (multiply @ a @ b) @ c) @ b)
% 102.53/15.22         != (multiply @ a @ (multiply @ b @ (multiply @ c @ b))))),
% 102.53/15.22      inference('cnf', [status(esa)], [zf_stmt_0])).
% 102.53/15.22  thf(left_inverse, axiom,
% 102.53/15.22    (( multiply @ ( left_inverse @ X ) @ X ) = ( identity ))).
% 102.53/15.22  thf(zip_derived_cl1, plain,
% 102.53/15.22      (![X0 : $i]: ((multiply @ (left_inverse @ X0) @ X0) = (identity))),
% 102.53/15.22      inference('cnf', [status(esa)], [left_inverse])).
% 102.53/15.22  thf(zip_derived_cl1, plain,
% 102.53/15.22      (![X0 : $i]: ((multiply @ (left_inverse @ X0) @ X0) = (identity))),
% 102.53/15.22      inference('cnf', [status(esa)], [left_inverse])).
% 102.53/15.22  thf(moufang3, axiom,
% 102.53/15.22    (( multiply @ ( multiply @ ( multiply @ X @ Y ) @ X ) @ Z ) =
% 102.53/15.22     ( multiply @ X @ ( multiply @ Y @ ( multiply @ X @ Z ) ) ))).
% 102.53/15.22  thf(zip_derived_cl2, plain,
% 102.53/15.22      (![X0 : $i, X1 : $i, X2 : $i]:
% 102.53/15.22         ((multiply @ (multiply @ (multiply @ X0 @ X1) @ X0) @ X2)
% 102.53/15.22           = (multiply @ X0 @ (multiply @ X1 @ (multiply @ X0 @ X2))))),
% 102.53/15.22      inference('cnf', [status(esa)], [moufang3])).
% 102.53/15.22  thf(zip_derived_cl9, plain,
% 102.53/15.22      (![X0 : $i, X1 : $i]:
% 102.53/15.22         ((multiply @ (multiply @ identity @ (left_inverse @ X1)) @ X0)
% 102.53/15.22           = (multiply @ (left_inverse @ X1) @ 
% 102.53/15.22              (multiply @ X1 @ (multiply @ (left_inverse @ X1) @ X0))))),
% 102.53/15.22      inference('sup+', [status(thm)], [zip_derived_cl1, zip_derived_cl2])).
% 102.53/15.22  thf(left_identity, axiom, (( multiply @ identity @ X ) = ( X ))).
% 102.53/15.22  thf(zip_derived_cl0, plain,
% 102.53/15.22      (![X0 : $i]: ((multiply @ identity @ X0) = (X0))),
% 102.53/15.22      inference('cnf', [status(esa)], [left_identity])).
% 102.53/15.22  thf(zip_derived_cl12, plain,
% 102.53/15.22      (![X0 : $i, X1 : $i]:
% 102.53/15.22         ((multiply @ (left_inverse @ X1) @ X0)
% 102.53/15.22           = (multiply @ (left_inverse @ X1) @ 
% 102.53/15.22              (multiply @ X1 @ (multiply @ (left_inverse @ X1) @ X0))))),
% 102.53/15.22      inference('demod', [status(thm)], [zip_derived_cl9, zip_derived_cl0])).
% 102.53/15.22  thf(zip_derived_cl1, plain,
% 102.53/15.22      (![X0 : $i]: ((multiply @ (left_inverse @ X0) @ X0) = (identity))),
% 102.53/15.22      inference('cnf', [status(esa)], [left_inverse])).
% 102.53/15.22  thf(zip_derived_cl12, plain,
% 102.53/15.22      (![X0 : $i, X1 : $i]:
% 102.53/15.22         ((multiply @ (left_inverse @ X1) @ X0)
% 102.53/15.22           = (multiply @ (left_inverse @ X1) @ 
% 102.53/15.22              (multiply @ X1 @ (multiply @ (left_inverse @ X1) @ X0))))),
% 102.53/15.22      inference('demod', [status(thm)], [zip_derived_cl9, zip_derived_cl0])).
% 102.53/15.22  thf(zip_derived_cl258, plain,
% 102.53/15.22      (![X0 : $i]:
% 102.53/15.22         ((multiply @ (left_inverse @ X0) @ X0)
% 102.53/15.22           = (multiply @ (left_inverse @ X0) @ (multiply @ X0 @ identity)))),
% 102.53/15.22      inference('sup+', [status(thm)], [zip_derived_cl1, zip_derived_cl12])).
% 102.53/15.22  thf(zip_derived_cl1, plain,
% 102.53/15.22      (![X0 : $i]: ((multiply @ (left_inverse @ X0) @ X0) = (identity))),
% 102.53/15.22      inference('cnf', [status(esa)], [left_inverse])).
% 102.53/15.22  thf(zip_derived_cl263, plain,
% 102.53/15.22      (![X0 : $i]:
% 102.53/15.22         ((identity)
% 102.53/15.22           = (multiply @ (left_inverse @ X0) @ (multiply @ X0 @ identity)))),
% 102.53/15.22      inference('demod', [status(thm)], [zip_derived_cl258, zip_derived_cl1])).
% 102.53/15.22  thf(zip_derived_cl0, plain,
% 102.53/15.22      (![X0 : $i]: ((multiply @ identity @ X0) = (X0))),
% 102.53/15.22      inference('cnf', [status(esa)], [left_identity])).
% 102.53/15.22  thf(zip_derived_cl2, plain,
% 102.53/15.22      (![X0 : $i, X1 : $i, X2 : $i]:
% 102.53/15.22         ((multiply @ (multiply @ (multiply @ X0 @ X1) @ X0) @ X2)
% 102.53/15.22           = (multiply @ X0 @ (multiply @ X1 @ (multiply @ X0 @ X2))))),
% 102.53/15.22      inference('cnf', [status(esa)], [moufang3])).
% 102.53/15.22  thf(zip_derived_cl8, plain,
% 102.53/15.22      (![X0 : $i, X1 : $i]:
% 102.53/15.22         ((multiply @ (multiply @ X0 @ identity) @ X1)
% 102.53/15.22           = (multiply @ identity @ 
% 102.53/15.22              (multiply @ X0 @ (multiply @ identity @ X1))))),
% 102.53/15.22      inference('sup+', [status(thm)], [zip_derived_cl0, zip_derived_cl2])).
% 102.53/15.22  thf(zip_derived_cl0, plain,
% 102.53/15.22      (![X0 : $i]: ((multiply @ identity @ X0) = (X0))),
% 102.53/15.22      inference('cnf', [status(esa)], [left_identity])).
% 102.53/15.22  thf(zip_derived_cl0, plain,
% 102.53/15.22      (![X0 : $i]: ((multiply @ identity @ X0) = (X0))),
% 102.53/15.22      inference('cnf', [status(esa)], [left_identity])).
% 102.53/15.22  thf(zip_derived_cl11, plain,
% 102.53/15.22      (![X0 : $i, X1 : $i]:
% 102.53/15.22         ((multiply @ (multiply @ X0 @ identity) @ X1) = (multiply @ X0 @ X1))),
% 102.53/15.22      inference('demod', [status(thm)],
% 102.53/15.22                [zip_derived_cl8, zip_derived_cl0, zip_derived_cl0])).
% 102.53/15.22  thf(zip_derived_cl2, plain,
% 102.53/15.22      (![X0 : $i, X1 : $i, X2 : $i]:
% 102.53/15.22         ((multiply @ (multiply @ (multiply @ X0 @ X1) @ X0) @ X2)
% 102.53/15.22           = (multiply @ X0 @ (multiply @ X1 @ (multiply @ X0 @ X2))))),
% 102.53/15.22      inference('cnf', [status(esa)], [moufang3])).
% 102.53/15.22  thf(zip_derived_cl16, plain,
% 102.53/15.22      (![X0 : $i, X1 : $i]:
% 102.53/15.22         ((multiply @ (multiply @ X0 @ X0) @ X1)
% 102.53/15.22           = (multiply @ X0 @ (multiply @ identity @ (multiply @ X0 @ X1))))),
% 102.53/15.22      inference('sup+', [status(thm)], [zip_derived_cl11, zip_derived_cl2])).
% 102.53/15.22  thf(zip_derived_cl0, plain,
% 102.53/15.22      (![X0 : $i]: ((multiply @ identity @ X0) = (X0))),
% 102.53/15.22      inference('cnf', [status(esa)], [left_identity])).
% 102.53/15.22  thf(zip_derived_cl28, plain,
% 102.53/15.22      (![X0 : $i, X1 : $i]:
% 102.53/15.22         ((multiply @ (multiply @ X0 @ X0) @ X1)
% 102.53/15.22           = (multiply @ X0 @ (multiply @ X0 @ X1)))),
% 102.53/15.22      inference('demod', [status(thm)], [zip_derived_cl16, zip_derived_cl0])).
% 102.53/15.22  thf(zip_derived_cl2, plain,
% 102.53/15.22      (![X0 : $i, X1 : $i, X2 : $i]:
% 102.53/15.22         ((multiply @ (multiply @ (multiply @ X0 @ X1) @ X0) @ X2)
% 102.53/15.22           = (multiply @ X0 @ (multiply @ X1 @ (multiply @ X0 @ X2))))),
% 102.53/15.22      inference('cnf', [status(esa)], [moufang3])).
% 102.53/15.22  thf(zip_derived_cl11, plain,
% 102.53/15.22      (![X0 : $i, X1 : $i]:
% 102.53/15.22         ((multiply @ (multiply @ X0 @ identity) @ X1) = (multiply @ X0 @ X1))),
% 102.53/15.22      inference('demod', [status(thm)],
% 102.53/15.22                [zip_derived_cl8, zip_derived_cl0, zip_derived_cl0])).
% 102.53/15.22  thf(zip_derived_cl19, plain,
% 102.53/15.22      (![X0 : $i, X1 : $i, X2 : $i]:
% 102.53/15.22         ((multiply @ 
% 102.53/15.22           (multiply @ X0 @ (multiply @ X1 @ (multiply @ X0 @ identity))) @ X2)
% 102.53/15.22           = (multiply @ (multiply @ (multiply @ X0 @ X1) @ X0) @ X2))),
% 102.53/15.22      inference('sup+', [status(thm)], [zip_derived_cl2, zip_derived_cl11])).
% 102.53/15.22  thf(zip_derived_cl2, plain,
% 102.53/15.22      (![X0 : $i, X1 : $i, X2 : $i]:
% 102.53/15.22         ((multiply @ (multiply @ (multiply @ X0 @ X1) @ X0) @ X2)
% 102.53/15.22           = (multiply @ X0 @ (multiply @ X1 @ (multiply @ X0 @ X2))))),
% 102.53/15.22      inference('cnf', [status(esa)], [moufang3])).
% 102.53/15.22  thf(zip_derived_cl23, plain,
% 102.53/15.22      (![X0 : $i, X1 : $i, X2 : $i]:
% 102.53/15.22         ((multiply @ 
% 102.53/15.22           (multiply @ X0 @ (multiply @ X1 @ (multiply @ X0 @ identity))) @ X2)
% 102.53/15.22           = (multiply @ X0 @ (multiply @ X1 @ (multiply @ X0 @ X2))))),
% 102.53/15.22      inference('demod', [status(thm)], [zip_derived_cl19, zip_derived_cl2])).
% 102.53/15.22  thf(zip_derived_cl368, plain,
% 102.53/15.22      (![X0 : $i, X1 : $i, X2 : $i]:
% 102.53/15.22         ((multiply @ 
% 102.53/15.22           (multiply @ X0 @ 
% 102.53/15.22            (multiply @ X1 @ (multiply @ X1 @ (multiply @ X0 @ identity)))) @ 
% 102.53/15.22           X2)
% 102.53/15.22           = (multiply @ X0 @ 
% 102.53/15.22              (multiply @ (multiply @ X1 @ X1) @ (multiply @ X0 @ X2))))),
% 102.53/15.22      inference('sup+', [status(thm)], [zip_derived_cl28, zip_derived_cl23])).
% 102.53/15.22  thf(zip_derived_cl28, plain,
% 102.53/15.22      (![X0 : $i, X1 : $i]:
% 102.53/15.22         ((multiply @ (multiply @ X0 @ X0) @ X1)
% 102.53/15.22           = (multiply @ X0 @ (multiply @ X0 @ X1)))),
% 102.53/15.22      inference('demod', [status(thm)], [zip_derived_cl16, zip_derived_cl0])).
% 102.53/15.22  thf(zip_derived_cl396, plain,
% 102.53/15.22      (![X0 : $i, X1 : $i, X2 : $i]:
% 102.53/15.22         ((multiply @ 
% 102.53/15.22           (multiply @ X0 @ 
% 102.53/15.22            (multiply @ X1 @ (multiply @ X1 @ (multiply @ X0 @ identity)))) @ 
% 102.53/15.22           X2)
% 102.53/15.22           = (multiply @ X0 @ 
% 102.53/15.22              (multiply @ X1 @ (multiply @ X1 @ (multiply @ X0 @ X2)))))),
% 102.53/15.22      inference('demod', [status(thm)], [zip_derived_cl368, zip_derived_cl28])).
% 102.53/15.22  thf(zip_derived_cl4956, plain,
% 102.53/15.22      (![X0 : $i, X1 : $i]:
% 102.53/15.22         ((multiply @ 
% 102.53/15.22           (multiply @ X1 @ (multiply @ (left_inverse @ X1) @ identity)) @ X0)
% 102.53/15.22           = (multiply @ X1 @ 
% 102.53/15.22              (multiply @ (left_inverse @ X1) @ 
% 102.53/15.22               (multiply @ (left_inverse @ X1) @ (multiply @ X1 @ X0)))))),
% 102.53/15.22      inference('sup+', [status(thm)], [zip_derived_cl263, zip_derived_cl396])).
% 102.53/15.22  thf(zip_derived_cl9194, plain,
% 102.53/15.22      (![X0 : $i, X1 : $i]:
% 102.53/15.22         ((multiply @ 
% 102.53/15.22           (multiply @ (left_inverse @ X1) @ 
% 102.53/15.22            (multiply @ (left_inverse @ (left_inverse @ X1)) @ identity)) @ 
% 102.53/15.22           (multiply @ X1 @ (multiply @ (left_inverse @ X1) @ X0)))
% 102.53/15.22           = (multiply @ (left_inverse @ X1) @ 
% 102.53/15.22              (multiply @ (left_inverse @ (left_inverse @ X1)) @ 
% 102.53/15.22               (multiply @ (left_inverse @ (left_inverse @ X1)) @ 
% 102.53/15.22                (multiply @ (left_inverse @ X1) @ X0)))))),
% 102.53/15.22      inference('sup+', [status(thm)], [zip_derived_cl12, zip_derived_cl4956])).
% 102.53/15.22  thf(zip_derived_cl1, plain,
% 102.53/15.22      (![X0 : $i]: ((multiply @ (left_inverse @ X0) @ X0) = (identity))),
% 102.53/15.22      inference('cnf', [status(esa)], [left_inverse])).
% 102.53/15.22  thf(zip_derived_cl263, plain,
% 102.53/15.22      (![X0 : $i]:
% 102.53/15.22         ((identity)
% 102.53/15.22           = (multiply @ (left_inverse @ X0) @ (multiply @ X0 @ identity)))),
% 102.53/15.22      inference('demod', [status(thm)], [zip_derived_cl258, zip_derived_cl1])).
% 102.53/15.22  thf(zip_derived_cl23, plain,
% 102.53/15.22      (![X0 : $i, X1 : $i, X2 : $i]:
% 102.53/15.22         ((multiply @ 
% 102.53/15.22           (multiply @ X0 @ (multiply @ X1 @ (multiply @ X0 @ identity))) @ X2)
% 102.53/15.22           = (multiply @ X0 @ (multiply @ X1 @ (multiply @ X0 @ X2))))),
% 102.53/15.22      inference('demod', [status(thm)], [zip_derived_cl19, zip_derived_cl2])).
% 102.53/15.22  thf(zip_derived_cl377, plain,
% 102.53/15.22      (![X0 : $i, X1 : $i]:
% 102.53/15.22         ((multiply @ (multiply @ X1 @ identity) @ X0)
% 102.53/15.22           = (multiply @ X1 @ 
% 102.53/15.22              (multiply @ (left_inverse @ X1) @ (multiply @ X1 @ X0))))),
% 102.53/15.22      inference('sup+', [status(thm)], [zip_derived_cl263, zip_derived_cl23])).
% 102.53/15.22  thf(zip_derived_cl11, plain,
% 102.53/15.22      (![X0 : $i, X1 : $i]:
% 102.53/15.22         ((multiply @ (multiply @ X0 @ identity) @ X1) = (multiply @ X0 @ X1))),
% 102.53/15.22      inference('demod', [status(thm)],
% 102.53/15.22                [zip_derived_cl8, zip_derived_cl0, zip_derived_cl0])).
% 102.53/15.22  thf(zip_derived_cl405, plain,
% 102.53/15.22      (![X0 : $i, X1 : $i]:
% 102.53/15.22         ((multiply @ X1 @ X0)
% 102.53/15.22           = (multiply @ X1 @ 
% 102.53/15.22              (multiply @ (left_inverse @ X1) @ (multiply @ X1 @ X0))))),
% 102.53/15.22      inference('demod', [status(thm)], [zip_derived_cl377, zip_derived_cl11])).
% 102.53/15.22  thf(zip_derived_cl457, plain,
% 102.53/15.22      (![X0 : $i]:
% 102.53/15.22         ((multiply @ (left_inverse @ X0) @ X0)
% 102.53/15.22           = (multiply @ (left_inverse @ X0) @ 
% 102.53/15.22              (multiply @ (left_inverse @ (left_inverse @ X0)) @ identity)))),
% 102.53/15.22      inference('sup+', [status(thm)], [zip_derived_cl1, zip_derived_cl405])).
% 102.53/15.22  thf(zip_derived_cl1, plain,
% 102.53/15.22      (![X0 : $i]: ((multiply @ (left_inverse @ X0) @ X0) = (identity))),
% 102.53/15.22      inference('cnf', [status(esa)], [left_inverse])).
% 102.53/15.22  thf(zip_derived_cl471, plain,
% 102.53/15.22      (![X0 : $i]:
% 102.53/15.22         ((identity)
% 102.53/15.22           = (multiply @ (left_inverse @ X0) @ 
% 102.53/15.22              (multiply @ (left_inverse @ (left_inverse @ X0)) @ identity)))),
% 102.53/15.22      inference('demod', [status(thm)], [zip_derived_cl457, zip_derived_cl1])).
% 102.53/15.22  thf(zip_derived_cl0, plain,
% 102.53/15.22      (![X0 : $i]: ((multiply @ identity @ X0) = (X0))),
% 102.53/15.22      inference('cnf', [status(esa)], [left_identity])).
% 102.53/15.22  thf(zip_derived_cl4956, plain,
% 102.53/15.22      (![X0 : $i, X1 : $i]:
% 102.53/15.22         ((multiply @ 
% 102.53/15.22           (multiply @ X1 @ (multiply @ (left_inverse @ X1) @ identity)) @ X0)
% 102.53/15.22           = (multiply @ X1 @ 
% 102.53/15.22              (multiply @ (left_inverse @ X1) @ 
% 102.53/15.22               (multiply @ (left_inverse @ X1) @ (multiply @ X1 @ X0)))))),
% 102.53/15.22      inference('sup+', [status(thm)], [zip_derived_cl263, zip_derived_cl396])).
% 102.53/15.22  thf(zip_derived_cl471, plain,
% 102.53/15.22      (![X0 : $i]:
% 102.53/15.22         ((identity)
% 102.53/15.22           = (multiply @ (left_inverse @ X0) @ 
% 102.53/15.22              (multiply @ (left_inverse @ (left_inverse @ X0)) @ identity)))),
% 102.53/15.22      inference('demod', [status(thm)], [zip_derived_cl457, zip_derived_cl1])).
% 102.53/15.22  thf(zip_derived_cl0, plain,
% 102.53/15.22      (![X0 : $i]: ((multiply @ identity @ X0) = (X0))),
% 102.53/15.22      inference('cnf', [status(esa)], [left_identity])).
% 102.53/15.22  thf(zip_derived_cl9253, plain,
% 102.53/15.22      (![X0 : $i, X1 : $i]:
% 102.53/15.22         ((multiply @ X1 @ (multiply @ (left_inverse @ X1) @ X0)) = (X0))),
% 102.53/15.22      inference('demod', [status(thm)],
% 102.53/15.22                [zip_derived_cl9194, zip_derived_cl471, zip_derived_cl0, 
% 102.53/15.22                 zip_derived_cl4956, zip_derived_cl471, zip_derived_cl0])).
% 102.53/15.22  thf(zip_derived_cl9381, plain,
% 102.53/15.22      (![X0 : $i]: ((multiply @ X0 @ identity) = (X0))),
% 102.53/15.22      inference('sup+', [status(thm)], [zip_derived_cl1, zip_derived_cl9253])).
% 102.53/15.22  thf(zip_derived_cl9253, plain,
% 102.53/15.22      (![X0 : $i, X1 : $i]:
% 102.53/15.22         ((multiply @ X1 @ (multiply @ (left_inverse @ X1) @ X0)) = (X0))),
% 102.53/15.22      inference('demod', [status(thm)],
% 102.53/15.22                [zip_derived_cl9194, zip_derived_cl471, zip_derived_cl0, 
% 102.53/15.22                 zip_derived_cl4956, zip_derived_cl471, zip_derived_cl0])).
% 102.53/15.22  thf(zip_derived_cl9498, plain,
% 102.53/15.22      (![X0 : $i]: ((multiply @ X0 @ (left_inverse @ X0)) = (identity))),
% 102.53/15.22      inference('sup+', [status(thm)], [zip_derived_cl9381, zip_derived_cl9253])).
% 102.53/15.22  thf(zip_derived_cl9253, plain,
% 102.53/15.22      (![X0 : $i, X1 : $i]:
% 102.53/15.22         ((multiply @ X1 @ (multiply @ (left_inverse @ X1) @ X0)) = (X0))),
% 102.53/15.22      inference('demod', [status(thm)],
% 102.53/15.22                [zip_derived_cl9194, zip_derived_cl471, zip_derived_cl0, 
% 102.53/15.22                 zip_derived_cl4956, zip_derived_cl471, zip_derived_cl0])).
% 102.53/15.22  thf(zip_derived_cl10038, plain,
% 102.53/15.22      (![X0 : $i]:
% 102.53/15.22         ((multiply @ X0 @ identity) = (left_inverse @ (left_inverse @ X0)))),
% 102.53/15.22      inference('sup+', [status(thm)], [zip_derived_cl9498, zip_derived_cl9253])).
% 102.53/15.22  thf(zip_derived_cl9381, plain,
% 102.53/15.22      (![X0 : $i]: ((multiply @ X0 @ identity) = (X0))),
% 102.53/15.22      inference('sup+', [status(thm)], [zip_derived_cl1, zip_derived_cl9253])).
% 102.53/15.22  thf(zip_derived_cl10052, plain,
% 102.53/15.22      (![X0 : $i]: ((X0) = (left_inverse @ (left_inverse @ X0)))),
% 102.53/15.22      inference('demod', [status(thm)],
% 102.53/15.22                [zip_derived_cl10038, zip_derived_cl9381])).
% 102.53/15.22  thf(zip_derived_cl23, plain,
% 102.53/15.22      (![X0 : $i, X1 : $i, X2 : $i]:
% 102.53/15.22         ((multiply @ 
% 102.53/15.22           (multiply @ X0 @ (multiply @ X1 @ (multiply @ X0 @ identity))) @ X2)
% 102.53/15.22           = (multiply @ X0 @ (multiply @ X1 @ (multiply @ X0 @ X2))))),
% 102.53/15.22      inference('demod', [status(thm)], [zip_derived_cl19, zip_derived_cl2])).
% 102.53/15.22  thf(zip_derived_cl9381, plain,
% 102.53/15.22      (![X0 : $i]: ((multiply @ X0 @ identity) = (X0))),
% 102.53/15.22      inference('sup+', [status(thm)], [zip_derived_cl1, zip_derived_cl9253])).
% 102.53/15.22  thf(zip_derived_cl9435, plain,
% 102.53/15.22      (![X0 : $i, X1 : $i, X2 : $i]:
% 102.53/15.22         ((multiply @ (multiply @ X0 @ (multiply @ X1 @ X0)) @ X2)
% 102.53/15.22           = (multiply @ X0 @ (multiply @ X1 @ (multiply @ X0 @ X2))))),
% 102.53/15.22      inference('demod', [status(thm)], [zip_derived_cl23, zip_derived_cl9381])).
% 102.53/15.22  thf(zip_derived_cl9253, plain,
% 102.53/15.22      (![X0 : $i, X1 : $i]:
% 102.53/15.22         ((multiply @ X1 @ (multiply @ (left_inverse @ X1) @ X0)) = (X0))),
% 102.53/15.22      inference('demod', [status(thm)],
% 102.53/15.22                [zip_derived_cl9194, zip_derived_cl471, zip_derived_cl0, 
% 102.53/15.22                 zip_derived_cl4956, zip_derived_cl471, zip_derived_cl0])).
% 102.53/15.22  thf(zip_derived_cl9381, plain,
% 102.53/15.22      (![X0 : $i]: ((multiply @ X0 @ identity) = (X0))),
% 102.53/15.22      inference('sup+', [status(thm)], [zip_derived_cl1, zip_derived_cl9253])).
% 102.53/15.22  thf(zip_derived_cl2, plain,
% 102.53/15.22      (![X0 : $i, X1 : $i, X2 : $i]:
% 102.53/15.22         ((multiply @ (multiply @ (multiply @ X0 @ X1) @ X0) @ X2)
% 102.53/15.22           = (multiply @ X0 @ (multiply @ X1 @ (multiply @ X0 @ X2))))),
% 102.53/15.22      inference('cnf', [status(esa)], [moufang3])).
% 102.53/15.22  thf(zip_derived_cl9493, plain,
% 102.53/15.22      (![X0 : $i, X1 : $i]:
% 102.53/15.22         ((multiply @ (multiply @ X0 @ X1) @ X0)
% 102.53/15.22           = (multiply @ X0 @ (multiply @ X1 @ (multiply @ X0 @ identity))))),
% 102.53/15.22      inference('sup+', [status(thm)], [zip_derived_cl9381, zip_derived_cl2])).
% 102.53/15.22  thf(zip_derived_cl9381, plain,
% 102.53/15.22      (![X0 : $i]: ((multiply @ X0 @ identity) = (X0))),
% 102.53/15.22      inference('sup+', [status(thm)], [zip_derived_cl1, zip_derived_cl9253])).
% 102.53/15.22  thf(zip_derived_cl9529, plain,
% 102.53/15.22      (![X0 : $i, X1 : $i]:
% 102.53/15.22         ((multiply @ (multiply @ X0 @ X1) @ X0)
% 102.53/15.22           = (multiply @ X0 @ (multiply @ X1 @ X0)))),
% 102.53/15.22      inference('demod', [status(thm)],
% 102.53/15.22                [zip_derived_cl9493, zip_derived_cl9381])).
% 102.53/15.22  thf(zip_derived_cl10543, plain,
% 102.53/15.22      (![X0 : $i, X1 : $i]:
% 102.53/15.22         ((multiply @ X0 @ X1)
% 102.53/15.22           = (multiply @ X1 @ 
% 102.53/15.22              (multiply @ (multiply @ (left_inverse @ X1) @ X0) @ X1)))),
% 102.53/15.22      inference('sup+', [status(thm)], [zip_derived_cl9253, zip_derived_cl9529])).
% 102.53/15.22  thf(zip_derived_cl4956, plain,
% 102.53/15.22      (![X0 : $i, X1 : $i]:
% 102.53/15.22         ((multiply @ 
% 102.53/15.22           (multiply @ X1 @ (multiply @ (left_inverse @ X1) @ identity)) @ X0)
% 102.53/15.22           = (multiply @ X1 @ 
% 102.53/15.22              (multiply @ (left_inverse @ X1) @ 
% 102.53/15.22               (multiply @ (left_inverse @ X1) @ (multiply @ X1 @ X0)))))),
% 102.53/15.22      inference('sup+', [status(thm)], [zip_derived_cl263, zip_derived_cl396])).
% 102.53/15.22  thf(zip_derived_cl12, plain,
% 102.53/15.22      (![X0 : $i, X1 : $i]:
% 102.53/15.22         ((multiply @ (left_inverse @ X1) @ X0)
% 102.53/15.22           = (multiply @ (left_inverse @ X1) @ 
% 102.53/15.22              (multiply @ X1 @ (multiply @ (left_inverse @ X1) @ X0))))),
% 102.53/15.22      inference('demod', [status(thm)], [zip_derived_cl9, zip_derived_cl0])).
% 102.53/15.22  thf(zip_derived_cl9152, plain,
% 102.53/15.22      (![X0 : $i, X1 : $i]:
% 102.53/15.22         ((multiply @ (left_inverse @ X1) @ 
% 102.53/15.22           (multiply @ (left_inverse @ (left_inverse @ X1)) @ 
% 102.53/15.22            (multiply @ (left_inverse @ (left_inverse @ X1)) @ 
% 102.53/15.22             (multiply @ (left_inverse @ X1) @ X0))))
% 102.53/15.22           = (multiply @ (left_inverse @ X1) @ 
% 102.53/15.22              (multiply @ X1 @ 
% 102.53/15.22               (multiply @ 
% 102.53/15.22                (multiply @ (left_inverse @ X1) @ 
% 102.53/15.22                 (multiply @ (left_inverse @ (left_inverse @ X1)) @ identity)) @ 
% 102.53/15.22                X0))))),
% 102.53/15.22      inference('sup+', [status(thm)], [zip_derived_cl4956, zip_derived_cl12])).
% 102.53/15.22  thf(zip_derived_cl4956, plain,
% 102.53/15.22      (![X0 : $i, X1 : $i]:
% 102.53/15.22         ((multiply @ 
% 102.53/15.22           (multiply @ X1 @ (multiply @ (left_inverse @ X1) @ identity)) @ X0)
% 102.53/15.22           = (multiply @ X1 @ 
% 102.53/15.22              (multiply @ (left_inverse @ X1) @ 
% 102.53/15.22               (multiply @ (left_inverse @ X1) @ (multiply @ X1 @ X0)))))),
% 102.53/15.22      inference('sup+', [status(thm)], [zip_derived_cl263, zip_derived_cl396])).
% 102.53/15.22  thf(zip_derived_cl471, plain,
% 102.53/15.22      (![X0 : $i]:
% 102.53/15.22         ((identity)
% 102.53/15.22           = (multiply @ (left_inverse @ X0) @ 
% 102.53/15.22              (multiply @ (left_inverse @ (left_inverse @ X0)) @ identity)))),
% 102.53/15.22      inference('demod', [status(thm)], [zip_derived_cl457, zip_derived_cl1])).
% 102.53/15.22  thf(zip_derived_cl0, plain,
% 102.53/15.22      (![X0 : $i]: ((multiply @ identity @ X0) = (X0))),
% 102.53/15.22      inference('cnf', [status(esa)], [left_identity])).
% 102.53/15.22  thf(zip_derived_cl471, plain,
% 102.53/15.22      (![X0 : $i]:
% 102.53/15.22         ((identity)
% 102.53/15.22           = (multiply @ (left_inverse @ X0) @ 
% 102.53/15.22              (multiply @ (left_inverse @ (left_inverse @ X0)) @ identity)))),
% 102.53/15.22      inference('demod', [status(thm)], [zip_derived_cl457, zip_derived_cl1])).
% 102.53/15.22  thf(zip_derived_cl0, plain,
% 102.53/15.22      (![X0 : $i]: ((multiply @ identity @ X0) = (X0))),
% 102.53/15.22      inference('cnf', [status(esa)], [left_identity])).
% 102.53/15.22  thf(zip_derived_cl9307, plain,
% 102.53/15.22      (![X0 : $i, X1 : $i]:
% 102.53/15.22         ((X0) = (multiply @ (left_inverse @ X1) @ (multiply @ X1 @ X0)))),
% 102.53/15.22      inference('demod', [status(thm)],
% 102.53/15.22                [zip_derived_cl9152, zip_derived_cl4956, zip_derived_cl471, 
% 102.53/15.22                 zip_derived_cl0, zip_derived_cl471, zip_derived_cl0])).
% 102.53/15.22  thf(zip_derived_cl11279, plain,
% 102.53/15.22      (![X0 : $i, X1 : $i]:
% 102.53/15.22         ((multiply @ (multiply @ (left_inverse @ X0) @ X1) @ X0)
% 102.53/15.22           = (multiply @ (left_inverse @ X0) @ (multiply @ X1 @ X0)))),
% 102.53/15.22      inference('sup+', [status(thm)],
% 102.53/15.22                [zip_derived_cl10543, zip_derived_cl9307])).
% 102.53/15.22  thf(zip_derived_cl10543, plain,
% 102.53/15.22      (![X0 : $i, X1 : $i]:
% 102.53/15.22         ((multiply @ X0 @ X1)
% 102.53/15.22           = (multiply @ X1 @ 
% 102.53/15.22              (multiply @ (multiply @ (left_inverse @ X1) @ X0) @ X1)))),
% 102.53/15.22      inference('sup+', [status(thm)], [zip_derived_cl9253, zip_derived_cl9529])).
% 102.53/15.22  thf(zip_derived_cl9253, plain,
% 102.53/15.22      (![X0 : $i, X1 : $i]:
% 102.53/15.22         ((multiply @ X1 @ (multiply @ (left_inverse @ X1) @ X0)) = (X0))),
% 102.53/15.22      inference('demod', [status(thm)],
% 102.53/15.22                [zip_derived_cl9194, zip_derived_cl471, zip_derived_cl0, 
% 102.53/15.22                 zip_derived_cl4956, zip_derived_cl471, zip_derived_cl0])).
% 102.53/15.22  thf(zip_derived_cl11289, plain,
% 102.53/15.22      (![X0 : $i, X1 : $i]:
% 102.53/15.22         ((multiply @ X0 @ (multiply @ X1 @ (left_inverse @ X0)))
% 102.53/15.22           = (multiply @ 
% 102.53/15.22              (multiply @ (left_inverse @ (left_inverse @ X0)) @ X1) @ 
% 102.53/15.22              (left_inverse @ X0)))),
% 102.53/15.22      inference('sup+', [status(thm)],
% 102.53/15.22                [zip_derived_cl10543, zip_derived_cl9253])).
% 102.53/15.22  thf(zip_derived_cl10052, plain,
% 102.53/15.22      (![X0 : $i]: ((X0) = (left_inverse @ (left_inverse @ X0)))),
% 102.53/15.22      inference('demod', [status(thm)],
% 102.53/15.22                [zip_derived_cl10038, zip_derived_cl9381])).
% 102.53/15.22  thf(zip_derived_cl11339, plain,
% 102.53/15.22      (![X0 : $i, X1 : $i]:
% 102.53/15.22         ((multiply @ X0 @ (multiply @ X1 @ (left_inverse @ X0)))
% 102.53/15.22           = (multiply @ (multiply @ X0 @ X1) @ (left_inverse @ X0)))),
% 102.53/15.22      inference('demod', [status(thm)],
% 102.53/15.22                [zip_derived_cl11289, zip_derived_cl10052])).
% 102.53/15.22  thf(zip_derived_cl9435, plain,
% 102.53/15.22      (![X0 : $i, X1 : $i, X2 : $i]:
% 102.53/15.22         ((multiply @ (multiply @ X0 @ (multiply @ X1 @ X0)) @ X2)
% 102.53/15.22           = (multiply @ X0 @ (multiply @ X1 @ (multiply @ X0 @ X2))))),
% 102.53/15.22      inference('demod', [status(thm)], [zip_derived_cl23, zip_derived_cl9381])).
% 102.53/15.22  thf(zip_derived_cl11528, plain,
% 102.53/15.22      (![X0 : $i, X1 : $i]:
% 102.53/15.22         ((multiply @ X0 @ 
% 102.53/15.22           (multiply @ (multiply @ X1 @ X0) @ (left_inverse @ X0)))
% 102.53/15.22           = (multiply @ X0 @ 
% 102.53/15.22              (multiply @ X1 @ (multiply @ X0 @ (left_inverse @ X0)))))),
% 102.53/15.22      inference('sup+', [status(thm)],
% 102.53/15.22                [zip_derived_cl11339, zip_derived_cl9435])).
% 102.53/15.22  thf(zip_derived_cl9498, plain,
% 102.53/15.22      (![X0 : $i]: ((multiply @ X0 @ (left_inverse @ X0)) = (identity))),
% 102.53/15.22      inference('sup+', [status(thm)], [zip_derived_cl9381, zip_derived_cl9253])).
% 102.53/15.22  thf(zip_derived_cl9381, plain,
% 102.53/15.22      (![X0 : $i]: ((multiply @ X0 @ identity) = (X0))),
% 102.53/15.22      inference('sup+', [status(thm)], [zip_derived_cl1, zip_derived_cl9253])).
% 102.53/15.22  thf(zip_derived_cl11566, plain,
% 102.53/15.22      (![X0 : $i, X1 : $i]:
% 102.53/15.22         ((multiply @ X0 @ 
% 102.53/15.22           (multiply @ (multiply @ X1 @ X0) @ (left_inverse @ X0)))
% 102.53/15.22           = (multiply @ X0 @ X1))),
% 102.53/15.22      inference('demod', [status(thm)],
% 102.53/15.22                [zip_derived_cl11528, zip_derived_cl9498, zip_derived_cl9381])).
% 102.53/15.22  thf(zip_derived_cl11947, plain,
% 102.53/15.22      (![X0 : $i, X1 : $i]:
% 102.53/15.22         ((multiply @ X0 @ 
% 102.53/15.22           (multiply @ 
% 102.53/15.22            (multiply @ (left_inverse @ X0) @ (multiply @ X1 @ X0)) @ 
% 102.53/15.22            (left_inverse @ X0)))
% 102.53/15.22           = (multiply @ X0 @ (multiply @ (left_inverse @ X0) @ X1)))),
% 102.53/15.22      inference('sup+', [status(thm)],
% 102.53/15.22                [zip_derived_cl11279, zip_derived_cl11566])).
% 102.53/15.22  thf(zip_derived_cl9529, plain,
% 102.53/15.22      (![X0 : $i, X1 : $i]:
% 102.53/15.22         ((multiply @ (multiply @ X0 @ X1) @ X0)
% 102.53/15.22           = (multiply @ X0 @ (multiply @ X1 @ X0)))),
% 102.53/15.22      inference('demod', [status(thm)],
% 102.53/15.22                [zip_derived_cl9493, zip_derived_cl9381])).
% 102.53/15.22  thf(zip_derived_cl9253, plain,
% 102.53/15.22      (![X0 : $i, X1 : $i]:
% 102.53/15.22         ((multiply @ X1 @ (multiply @ (left_inverse @ X1) @ X0)) = (X0))),
% 102.53/15.22      inference('demod', [status(thm)],
% 102.53/15.22                [zip_derived_cl9194, zip_derived_cl471, zip_derived_cl0, 
% 102.53/15.22                 zip_derived_cl4956, zip_derived_cl471, zip_derived_cl0])).
% 102.53/15.22  thf(zip_derived_cl9253, plain,
% 102.53/15.22      (![X0 : $i, X1 : $i]:
% 102.53/15.22         ((multiply @ X1 @ (multiply @ (left_inverse @ X1) @ X0)) = (X0))),
% 102.53/15.22      inference('demod', [status(thm)],
% 102.53/15.22                [zip_derived_cl9194, zip_derived_cl471, zip_derived_cl0, 
% 102.53/15.22                 zip_derived_cl4956, zip_derived_cl471, zip_derived_cl0])).
% 102.53/15.22  thf(zip_derived_cl11972, plain,
% 102.53/15.22      (![X0 : $i, X1 : $i]:
% 102.53/15.22         ((multiply @ (multiply @ X1 @ X0) @ (left_inverse @ X0)) = (X1))),
% 102.53/15.22      inference('demod', [status(thm)],
% 102.53/15.22                [zip_derived_cl11947, zip_derived_cl9529, zip_derived_cl9253, 
% 102.53/15.22                 zip_derived_cl9253])).
% 102.53/15.22  thf(zip_derived_cl9307, plain,
% 102.53/15.22      (![X0 : $i, X1 : $i]:
% 102.53/15.22         ((X0) = (multiply @ (left_inverse @ X1) @ (multiply @ X1 @ X0)))),
% 102.53/15.22      inference('demod', [status(thm)],
% 102.53/15.22                [zip_derived_cl9152, zip_derived_cl4956, zip_derived_cl471, 
% 102.53/15.22                 zip_derived_cl0, zip_derived_cl471, zip_derived_cl0])).
% 102.53/15.22  thf(zip_derived_cl12014, plain,
% 102.53/15.22      (![X0 : $i, X1 : $i]:
% 102.53/15.22         ((left_inverse @ X1)
% 102.53/15.22           = (multiply @ (left_inverse @ (multiply @ X0 @ X1)) @ X0))),
% 102.53/15.22      inference('sup+', [status(thm)],
% 102.53/15.22                [zip_derived_cl11972, zip_derived_cl9307])).
% 102.53/15.22  thf(zip_derived_cl11339, plain,
% 102.53/15.22      (![X0 : $i, X1 : $i]:
% 102.53/15.22         ((multiply @ X0 @ (multiply @ X1 @ (left_inverse @ X0)))
% 102.53/15.22           = (multiply @ (multiply @ X0 @ X1) @ (left_inverse @ X0)))),
% 102.53/15.22      inference('demod', [status(thm)],
% 102.53/15.22                [zip_derived_cl11289, zip_derived_cl10052])).
% 102.53/15.22  thf(zip_derived_cl11566, plain,
% 102.53/15.22      (![X0 : $i, X1 : $i]:
% 102.53/15.22         ((multiply @ X0 @ 
% 102.53/15.22           (multiply @ (multiply @ X1 @ X0) @ (left_inverse @ X0)))
% 102.53/15.22           = (multiply @ X0 @ X1))),
% 102.53/15.22      inference('demod', [status(thm)],
% 102.53/15.22                [zip_derived_cl11528, zip_derived_cl9498, zip_derived_cl9381])).
% 102.53/15.22  thf(zip_derived_cl11948, plain,
% 102.53/15.22      (![X0 : $i, X1 : $i]:
% 102.53/15.22         ((multiply @ (left_inverse @ X0) @ 
% 102.53/15.22           (multiply @ 
% 102.53/15.22            (multiply @ X0 @ (multiply @ X1 @ (left_inverse @ X0))) @ 
% 102.53/15.22            (left_inverse @ (left_inverse @ X0))))
% 102.53/15.22           = (multiply @ (left_inverse @ X0) @ (multiply @ X0 @ X1)))),
% 102.53/15.22      inference('sup+', [status(thm)],
% 102.53/15.22                [zip_derived_cl11339, zip_derived_cl11566])).
% 102.53/15.22  thf(zip_derived_cl10052, plain,
% 102.53/15.22      (![X0 : $i]: ((X0) = (left_inverse @ (left_inverse @ X0)))),
% 102.53/15.22      inference('demod', [status(thm)],
% 102.53/15.22                [zip_derived_cl10038, zip_derived_cl9381])).
% 102.53/15.22  thf(zip_derived_cl9529, plain,
% 102.53/15.22      (![X0 : $i, X1 : $i]:
% 102.53/15.22         ((multiply @ (multiply @ X0 @ X1) @ X0)
% 102.53/15.22           = (multiply @ X0 @ (multiply @ X1 @ X0)))),
% 102.53/15.22      inference('demod', [status(thm)],
% 102.53/15.22                [zip_derived_cl9493, zip_derived_cl9381])).
% 102.53/15.22  thf(zip_derived_cl9307, plain,
% 102.53/15.22      (![X0 : $i, X1 : $i]:
% 102.53/15.22         ((X0) = (multiply @ (left_inverse @ X1) @ (multiply @ X1 @ X0)))),
% 102.53/15.22      inference('demod', [status(thm)],
% 102.53/15.22                [zip_derived_cl9152, zip_derived_cl4956, zip_derived_cl471, 
% 102.53/15.22                 zip_derived_cl0, zip_derived_cl471, zip_derived_cl0])).
% 102.53/15.22  thf(zip_derived_cl9307, plain,
% 102.53/15.22      (![X0 : $i, X1 : $i]:
% 102.53/15.22         ((X0) = (multiply @ (left_inverse @ X1) @ (multiply @ X1 @ X0)))),
% 102.53/15.22      inference('demod', [status(thm)],
% 102.53/15.22                [zip_derived_cl9152, zip_derived_cl4956, zip_derived_cl471, 
% 102.53/15.22                 zip_derived_cl0, zip_derived_cl471, zip_derived_cl0])).
% 102.53/15.22  thf(zip_derived_cl11973, plain,
% 102.53/15.22      (![X0 : $i, X1 : $i]:
% 102.53/15.22         ((multiply @ (multiply @ X1 @ (left_inverse @ X0)) @ X0) = (X1))),
% 102.53/15.22      inference('demod', [status(thm)],
% 102.53/15.22                [zip_derived_cl11948, zip_derived_cl10052, zip_derived_cl9529, 
% 102.53/15.22                 zip_derived_cl9307, zip_derived_cl9307])).
% 102.53/15.22  thf(zip_derived_cl12157, plain,
% 102.53/15.22      (![X0 : $i, X1 : $i]:
% 102.53/15.22         ((multiply @ (left_inverse @ X0) @ X1)
% 102.53/15.22           = (left_inverse @ (multiply @ (left_inverse @ X1) @ X0)))),
% 102.53/15.22      inference('sup+', [status(thm)],
% 102.53/15.22                [zip_derived_cl12014, zip_derived_cl11973])).
% 102.53/15.22  thf(zip_derived_cl12014, plain,
% 102.53/15.22      (![X0 : $i, X1 : $i]:
% 102.53/15.22         ((left_inverse @ X1)
% 102.53/15.22           = (multiply @ (left_inverse @ (multiply @ X0 @ X1)) @ X0))),
% 102.53/15.22      inference('sup+', [status(thm)],
% 102.53/15.22                [zip_derived_cl11972, zip_derived_cl9307])).
% 102.53/15.22  thf(zip_derived_cl11972, plain,
% 102.53/15.22      (![X0 : $i, X1 : $i]:
% 102.53/15.22         ((multiply @ (multiply @ X1 @ X0) @ (left_inverse @ X0)) = (X1))),
% 102.53/15.22      inference('demod', [status(thm)],
% 102.53/15.22                [zip_derived_cl11947, zip_derived_cl9529, zip_derived_cl9253, 
% 102.53/15.22                 zip_derived_cl9253])).
% 102.53/15.22  thf(zip_derived_cl12153, plain,
% 102.53/15.22      (![X0 : $i, X1 : $i]:
% 102.53/15.22         ((multiply @ (left_inverse @ X0) @ (left_inverse @ X1))
% 102.53/15.22           = (left_inverse @ (multiply @ X1 @ X0)))),
% 102.53/15.22      inference('sup+', [status(thm)],
% 102.53/15.22                [zip_derived_cl12014, zip_derived_cl11972])).
% 102.53/15.22  thf(zip_derived_cl12833, plain,
% 102.53/15.22      (![X0 : $i, X1 : $i, X2 : $i]:
% 102.53/15.22         ((multiply @ (multiply @ (left_inverse @ X1) @ X0) @ 
% 102.53/15.22           (left_inverse @ X2))
% 102.53/15.22           = (left_inverse @ 
% 102.53/15.22              (multiply @ X2 @ (multiply @ (left_inverse @ X0) @ X1))))),
% 102.53/15.22      inference('sup+', [status(thm)],
% 102.53/15.22                [zip_derived_cl12157, zip_derived_cl12153])).
% 102.53/15.22  thf(zip_derived_cl10052, plain,
% 102.53/15.22      (![X0 : $i]: ((X0) = (left_inverse @ (left_inverse @ X0)))),
% 102.53/15.22      inference('demod', [status(thm)],
% 102.53/15.22                [zip_derived_cl10038, zip_derived_cl9381])).
% 102.53/15.22  thf(zip_derived_cl17454, plain,
% 102.53/15.22      (![X0 : $i, X1 : $i, X2 : $i]:
% 102.53/15.22         ((multiply @ X0 @ (multiply @ (left_inverse @ X1) @ X2))
% 102.53/15.22           = (left_inverse @ 
% 102.53/15.22              (multiply @ (multiply @ (left_inverse @ X2) @ X1) @ 
% 102.53/15.22               (left_inverse @ X0))))),
% 102.53/15.22      inference('sup+', [status(thm)],
% 102.53/15.22                [zip_derived_cl12833, zip_derived_cl10052])).
% 102.53/15.22  thf(zip_derived_cl32337, plain,
% 102.53/15.22      (![X0 : $i, X1 : $i, X2 : $i]:
% 102.53/15.22         ((multiply @ X0 @ 
% 102.53/15.22           (multiply @ 
% 102.53/15.22            (left_inverse @ (multiply @ X2 @ (left_inverse @ X1))) @ X1))
% 102.53/15.22           = (left_inverse @ 
% 102.53/15.22              (multiply @ (left_inverse @ X1) @ 
% 102.53/15.22               (multiply @ X2 @ 
% 102.53/15.22                (multiply @ (left_inverse @ X1) @ (left_inverse @ X0))))))),
% 102.53/15.22      inference('sup+', [status(thm)],
% 102.53/15.22                [zip_derived_cl9435, zip_derived_cl17454])).
% 102.53/15.22  thf(zip_derived_cl10052, plain,
% 102.53/15.22      (![X0 : $i]: ((X0) = (left_inverse @ (left_inverse @ X0)))),
% 102.53/15.22      inference('demod', [status(thm)],
% 102.53/15.22                [zip_derived_cl10038, zip_derived_cl9381])).
% 102.53/15.22  thf(zip_derived_cl12153, plain,
% 102.53/15.22      (![X0 : $i, X1 : $i]:
% 102.53/15.22         ((multiply @ (left_inverse @ X0) @ (left_inverse @ X1))
% 102.53/15.22           = (left_inverse @ (multiply @ X1 @ X0)))),
% 102.53/15.22      inference('sup+', [status(thm)],
% 102.53/15.22                [zip_derived_cl12014, zip_derived_cl11972])).
% 102.53/15.22  thf(zip_derived_cl12249, plain,
% 102.53/15.22      (![X0 : $i, X1 : $i]:
% 102.53/15.22         ((multiply @ X0 @ (left_inverse @ X1))
% 102.53/15.22           = (left_inverse @ (multiply @ X1 @ (left_inverse @ X0))))),
% 102.53/15.22      inference('sup+', [status(thm)],
% 102.53/15.22                [zip_derived_cl10052, zip_derived_cl12153])).
% 102.53/15.22  thf(zip_derived_cl9529, plain,
% 102.53/15.22      (![X0 : $i, X1 : $i]:
% 102.53/15.22         ((multiply @ (multiply @ X0 @ X1) @ X0)
% 102.53/15.22           = (multiply @ X0 @ (multiply @ X1 @ X0)))),
% 102.53/15.22      inference('demod', [status(thm)],
% 102.53/15.22                [zip_derived_cl9493, zip_derived_cl9381])).
% 102.53/15.22  thf(zip_derived_cl12153, plain,
% 102.53/15.22      (![X0 : $i, X1 : $i]:
% 102.53/15.22         ((multiply @ (left_inverse @ X0) @ (left_inverse @ X1))
% 102.53/15.22           = (left_inverse @ (multiply @ X1 @ X0)))),
% 102.53/15.22      inference('sup+', [status(thm)],
% 102.53/15.22                [zip_derived_cl12014, zip_derived_cl11972])).
% 102.53/15.22  thf(zip_derived_cl12157, plain,
% 102.53/15.22      (![X0 : $i, X1 : $i]:
% 102.53/15.22         ((multiply @ (left_inverse @ X0) @ X1)
% 102.53/15.22           = (left_inverse @ (multiply @ (left_inverse @ X1) @ X0)))),
% 102.53/15.22      inference('sup+', [status(thm)],
% 102.53/15.22                [zip_derived_cl12014, zip_derived_cl11973])).
% 102.53/15.22  thf(zip_derived_cl12249, plain,
% 102.53/15.22      (![X0 : $i, X1 : $i]:
% 102.53/15.22         ((multiply @ X0 @ (left_inverse @ X1))
% 102.53/15.22           = (left_inverse @ (multiply @ X1 @ (left_inverse @ X0))))),
% 102.53/15.22      inference('sup+', [status(thm)],
% 102.53/15.22                [zip_derived_cl10052, zip_derived_cl12153])).
% 102.53/15.22  thf(zip_derived_cl32430, plain,
% 102.53/15.22      (![X0 : $i, X1 : $i, X2 : $i]:
% 102.53/15.22         ((multiply @ X0 @ 
% 102.53/15.22           (multiply @ X1 @ (multiply @ (left_inverse @ X2) @ X1)))
% 102.53/15.22           = (multiply @ 
% 102.53/15.22              (multiply @ (multiply @ X0 @ X1) @ (left_inverse @ X2)) @ X1))),
% 102.53/15.22      inference('demod', [status(thm)],
% 102.53/15.22                [zip_derived_cl32337, zip_derived_cl12249, zip_derived_cl9529, 
% 102.53/15.22                 zip_derived_cl12153, zip_derived_cl12157, zip_derived_cl12249])).
% 102.53/15.22  thf(zip_derived_cl60436, plain,
% 102.53/15.22      (![X0 : $i, X1 : $i, X2 : $i]:
% 102.53/15.22         ((multiply @ X2 @ 
% 102.53/15.22           (multiply @ X1 @ 
% 102.53/15.22            (multiply @ (left_inverse @ (left_inverse @ X0)) @ X1)))
% 102.53/15.22           = (multiply @ (multiply @ (multiply @ X2 @ X1) @ X0) @ X1))),
% 102.53/15.22      inference('sup+', [status(thm)],
% 102.53/15.22                [zip_derived_cl10052, zip_derived_cl32430])).
% 102.53/15.22  thf(zip_derived_cl10052, plain,
% 102.53/15.22      (![X0 : $i]: ((X0) = (left_inverse @ (left_inverse @ X0)))),
% 102.53/15.22      inference('demod', [status(thm)],
% 102.53/15.22                [zip_derived_cl10038, zip_derived_cl9381])).
% 102.53/15.22  thf(zip_derived_cl60612, plain,
% 102.53/15.22      (![X0 : $i, X1 : $i, X2 : $i]:
% 102.53/15.22         ((multiply @ X2 @ (multiply @ X1 @ (multiply @ X0 @ X1)))
% 102.53/15.22           = (multiply @ (multiply @ (multiply @ X2 @ X1) @ X0) @ X1))),
% 102.53/15.22      inference('demod', [status(thm)],
% 102.53/15.22                [zip_derived_cl60436, zip_derived_cl10052])).
% 102.53/15.22  thf(zip_derived_cl61425, plain,
% 102.53/15.22      (((multiply @ a @ (multiply @ b @ (multiply @ c @ b)))
% 102.53/15.22         != (multiply @ a @ (multiply @ b @ (multiply @ c @ b))))),
% 102.53/15.22      inference('demod', [status(thm)], [zip_derived_cl3, zip_derived_cl60612])).
% 102.53/15.22  thf(zip_derived_cl61426, plain, ($false),
% 102.53/15.22      inference('simplify', [status(thm)], [zip_derived_cl61425])).
% 102.53/15.22  
% 102.53/15.22  % SZS output end Refutation
% 102.53/15.22  
% 102.53/15.22  
% 102.53/15.22  % Terminating...
% 102.90/15.30  % Runner terminated.
% 102.90/15.31  % Zipperpin 1.5 exiting
%------------------------------------------------------------------------------