TSTP Solution File: GRP073-1 by Zipperpin---2.1.9999

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Zipperpin---2.1.9999
% Problem  : GRP073-1 : TPTP v8.1.2. Bugfixed v2.3.0.
% Transfm  : NO INFORMATION
% Format   : NO INFORMATION
% Command  : python3 /export/starexec/sandbox/solver/bin/portfolio.lams.parallel.py %s %d /export/starexec/sandbox/tmp/tmp.DGwXdQVMZK true

% Computer : n017.cluster.edu
% Model    : x86_64 x86_64
% CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 2.10GHz
% Memory   : 8042.1875MB
% OS       : Linux 3.10.0-693.el7.x86_64
% CPULimit : 300s
% WCLimit  : 300s
% DateTime : Thu Aug 31 01:49:49 EDT 2023

% Result   : Unsatisfiable 77.54s 11.70s
% Output   : Refutation 77.54s
% Verified : 
% SZS Type : -

% Comments : 
%------------------------------------------------------------------------------
%----WARNING: Could not form TPTP format derivation
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.08/0.13  % Problem  : GRP073-1 : TPTP v8.1.2. Bugfixed v2.3.0.
% 0.08/0.14  % Command  : python3 /export/starexec/sandbox/solver/bin/portfolio.lams.parallel.py %s %d /export/starexec/sandbox/tmp/tmp.DGwXdQVMZK true
% 0.13/0.36  % Computer : n017.cluster.edu
% 0.13/0.36  % Model    : x86_64 x86_64
% 0.13/0.36  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.13/0.36  % Memory   : 8042.1875MB
% 0.13/0.36  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.13/0.36  % CPULimit : 300
% 0.13/0.36  % WCLimit  : 300
% 0.13/0.36  % DateTime : Mon Aug 28 20:42:28 EDT 2023
% 0.13/0.36  % CPUTime  : 
% 0.13/0.36  % Running portfolio for 300 s
% 0.13/0.36  % File         : /export/starexec/sandbox/benchmark/theBenchmark.p
% 0.13/0.36  % Number of cores: 8
% 0.13/0.36  % Python version: Python 3.6.8
% 0.13/0.36  % Running in FO mode
% 0.22/0.67  % Total configuration time : 435
% 0.22/0.67  % Estimated wc time : 1092
% 0.22/0.67  % Estimated cpu time (7 cpus) : 156.0
% 0.22/0.72  % /export/starexec/sandbox/solver/bin/fo/fo6_bce.sh running for 75s
% 0.22/0.73  % /export/starexec/sandbox/solver/bin/fo/fo3_bce.sh running for 75s
% 0.96/0.75  % /export/starexec/sandbox/solver/bin/fo/fo1_av.sh running for 75s
% 1.28/0.76  % /export/starexec/sandbox/solver/bin/fo/fo7.sh running for 63s
% 1.28/0.76  % /export/starexec/sandbox/solver/bin/fo/fo13.sh running for 50s
% 1.28/0.77  % /export/starexec/sandbox/solver/bin/fo/fo5.sh running for 50s
% 1.28/0.78  % /export/starexec/sandbox/solver/bin/fo/fo4.sh running for 50s
% 77.54/11.70  % Solved by fo/fo7.sh.
% 77.54/11.70  % done 4028 iterations in 10.911s
% 77.54/11.70  % SZS status Theorem for '/export/starexec/sandbox/benchmark/theBenchmark.p'
% 77.54/11.70  % SZS output start Refutation
% 77.54/11.70  thf(a3_type, type, a3: $i).
% 77.54/11.70  thf(a1_type, type, a1: $i).
% 77.54/11.70  thf(multiply_type, type, multiply: $i > $i > $i).
% 77.54/11.70  thf(inverse_type, type, inverse: $i > $i).
% 77.54/11.70  thf(c3_type, type, c3: $i).
% 77.54/11.70  thf(a2_type, type, a2: $i).
% 77.54/11.70  thf(b2_type, type, b2: $i).
% 77.54/11.70  thf(divide_type, type, divide: $i > $i > $i).
% 77.54/11.70  thf(b1_type, type, b1: $i).
% 77.54/11.70  thf(b3_type, type, b3: $i).
% 77.54/11.70  thf(single_axiom, axiom,
% 77.54/11.70    (( divide @
% 77.54/11.70       ( inverse @
% 77.54/11.70         ( divide @ ( divide @ ( divide @ X @ Y ) @ Z ) @ ( divide @ U @ Z ) ) ) @ 
% 77.54/11.70       ( divide @ Y @ X ) ) =
% 77.54/11.70     ( U ))).
% 77.54/11.70  thf(zip_derived_cl0, plain,
% 77.54/11.70      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i]:
% 77.54/11.70         ((divide @ 
% 77.54/11.70           (inverse @ 
% 77.54/11.70            (divide @ (divide @ (divide @ X1 @ X2) @ X3) @ (divide @ X0 @ X3))) @ 
% 77.54/11.70           (divide @ X2 @ X1)) = (X0))),
% 77.54/11.70      inference('cnf', [status(esa)], [single_axiom])).
% 77.54/11.70  thf(zip_derived_cl0, plain,
% 77.54/11.70      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i]:
% 77.54/11.70         ((divide @ 
% 77.54/11.70           (inverse @ 
% 77.54/11.70            (divide @ (divide @ (divide @ X1 @ X2) @ X3) @ (divide @ X0 @ X3))) @ 
% 77.54/11.70           (divide @ X2 @ X1)) = (X0))),
% 77.54/11.70      inference('cnf', [status(esa)], [single_axiom])).
% 77.54/11.70  thf(zip_derived_cl5, plain,
% 77.54/11.70      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i]:
% 77.54/11.70         ((divide @ 
% 77.54/11.70           (inverse @ 
% 77.54/11.70            (divide @ (divide @ (divide @ X4 @ X5) @ (divide @ X2 @ X3)) @ X0)) @ 
% 77.54/11.70           (divide @ X5 @ X4))
% 77.54/11.70           = (inverse @ 
% 77.54/11.70              (divide @ (divide @ (divide @ X3 @ X2) @ X1) @ (divide @ X0 @ X1))))),
% 77.54/11.70      inference('sup+', [status(thm)], [zip_derived_cl0, zip_derived_cl0])).
% 77.54/11.70  thf(zip_derived_cl0, plain,
% 77.54/11.70      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i]:
% 77.54/11.70         ((divide @ 
% 77.54/11.70           (inverse @ 
% 77.54/11.70            (divide @ (divide @ (divide @ X1 @ X2) @ X3) @ (divide @ X0 @ X3))) @ 
% 77.54/11.70           (divide @ X2 @ X1)) = (X0))),
% 77.54/11.70      inference('cnf', [status(esa)], [single_axiom])).
% 77.54/11.70  thf(zip_derived_cl76, plain,
% 77.54/11.70      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i]:
% 77.54/11.70         ((inverse @ 
% 77.54/11.70           (divide @ (divide @ (divide @ X1 @ X2) @ X0) @ 
% 77.54/11.70            (divide @ (divide @ X3 @ (divide @ X2 @ X1)) @ X0)))
% 77.54/11.70           = (X3))),
% 77.54/11.70      inference('sup+', [status(thm)], [zip_derived_cl5, zip_derived_cl0])).
% 77.54/11.70  thf(zip_derived_cl0, plain,
% 77.54/11.70      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i]:
% 77.54/11.70         ((divide @ 
% 77.54/11.70           (inverse @ 
% 77.54/11.70            (divide @ (divide @ (divide @ X1 @ X2) @ X3) @ (divide @ X0 @ X3))) @ 
% 77.54/11.70           (divide @ X2 @ X1)) = (X0))),
% 77.54/11.70      inference('cnf', [status(esa)], [single_axiom])).
% 77.54/11.70  thf(zip_derived_cl0, plain,
% 77.54/11.70      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i]:
% 77.54/11.70         ((divide @ 
% 77.54/11.70           (inverse @ 
% 77.54/11.70            (divide @ (divide @ (divide @ X1 @ X2) @ X3) @ (divide @ X0 @ X3))) @ 
% 77.54/11.70           (divide @ X2 @ X1)) = (X0))),
% 77.54/11.70      inference('cnf', [status(esa)], [single_axiom])).
% 77.54/11.70  thf(zip_derived_cl4, plain,
% 77.54/11.70      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i]:
% 77.54/11.70         ((divide @ 
% 77.54/11.70           (inverse @ (divide @ (divide @ X0 @ X5) @ (divide @ X1 @ X5))) @ 
% 77.54/11.70           (divide @ (divide @ X3 @ X4) @ 
% 77.54/11.70            (inverse @ 
% 77.54/11.70             (divide @ (divide @ (divide @ X4 @ X3) @ X2) @ (divide @ X0 @ X2)))))
% 77.54/11.70           = (X1))),
% 77.54/11.70      inference('sup+', [status(thm)], [zip_derived_cl0, zip_derived_cl0])).
% 77.54/11.70  thf(zip_derived_cl107, plain,
% 77.54/11.70      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i]:
% 77.54/11.70         ((divide @ X0 @ 
% 77.54/11.70           (divide @ (divide @ X4 @ X5) @ 
% 77.54/11.70            (inverse @ 
% 77.54/11.70             (divide @ (divide @ (divide @ X5 @ X4) @ X3) @ 
% 77.54/11.70              (divide @ (divide @ X1 @ X2) @ X3)))))
% 77.54/11.70           = (divide @ X0 @ (divide @ X2 @ X1)))),
% 77.54/11.70      inference('sup+', [status(thm)], [zip_derived_cl76, zip_derived_cl4])).
% 77.54/11.70  thf(zip_derived_cl5, plain,
% 77.54/11.70      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i]:
% 77.54/11.70         ((divide @ 
% 77.54/11.70           (inverse @ 
% 77.54/11.70            (divide @ (divide @ (divide @ X4 @ X5) @ (divide @ X2 @ X3)) @ X0)) @ 
% 77.54/11.70           (divide @ X5 @ X4))
% 77.54/11.70           = (inverse @ 
% 77.54/11.70              (divide @ (divide @ (divide @ X3 @ X2) @ X1) @ (divide @ X0 @ X1))))),
% 77.54/11.70      inference('sup+', [status(thm)], [zip_derived_cl0, zip_derived_cl0])).
% 77.54/11.70  thf(zip_derived_cl0, plain,
% 77.54/11.70      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i]:
% 77.54/11.70         ((divide @ 
% 77.54/11.70           (inverse @ 
% 77.54/11.70            (divide @ (divide @ (divide @ X1 @ X2) @ X3) @ (divide @ X0 @ X3))) @ 
% 77.54/11.70           (divide @ X2 @ X1)) = (X0))),
% 77.54/11.70      inference('cnf', [status(esa)], [single_axiom])).
% 77.54/11.70  thf(zip_derived_cl0, plain,
% 77.54/11.70      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i]:
% 77.54/11.70         ((divide @ 
% 77.54/11.70           (inverse @ 
% 77.54/11.70            (divide @ (divide @ (divide @ X1 @ X2) @ X3) @ (divide @ X0 @ X3))) @ 
% 77.54/11.70           (divide @ X2 @ X1)) = (X0))),
% 77.54/11.70      inference('cnf', [status(esa)], [single_axiom])).
% 77.54/11.70  thf(zip_derived_cl6, plain,
% 77.54/11.70      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i]:
% 77.54/11.70         ((divide @ 
% 77.54/11.70           (inverse @ 
% 77.54/11.70            (divide @ 
% 77.54/11.70             (divide @ 
% 77.54/11.70              (divide @ (divide @ X3 @ X2) @ 
% 77.54/11.70               (inverse @ 
% 77.54/11.70                (divide @ (divide @ (divide @ X2 @ X3) @ X4) @ 
% 77.54/11.70                 (divide @ X0 @ X4)))) @ 
% 77.54/11.70              X5) @ 
% 77.54/11.70             (divide @ X1 @ X5))) @ 
% 77.54/11.70           X0) = (X1))),
% 77.54/11.70      inference('sup+', [status(thm)], [zip_derived_cl0, zip_derived_cl0])).
% 77.54/11.70  thf(zip_derived_cl58, plain,
% 77.54/11.70      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i]:
% 77.54/11.70         ((divide @ 
% 77.54/11.70           (divide @ 
% 77.54/11.70            (inverse @ 
% 77.54/11.70             (divide @ 
% 77.54/11.70              (divide @ (divide @ X0 @ X1) @ 
% 77.54/11.70               (divide @ 
% 77.54/11.70                (inverse @ 
% 77.54/11.70                 (divide @ (divide @ (divide @ X3 @ X4) @ X5) @ 
% 77.54/11.70                  (divide @ X6 @ X5))) @ 
% 77.54/11.70                (divide @ X4 @ X3))) @ 
% 77.54/11.70              X2)) @ 
% 77.54/11.70            (divide @ X1 @ X0)) @ 
% 77.54/11.70           X6) = (X2))),
% 77.54/11.70      inference('sup+', [status(thm)], [zip_derived_cl5, zip_derived_cl6])).
% 77.54/11.70  thf(zip_derived_cl0, plain,
% 77.54/11.70      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i]:
% 77.54/11.70         ((divide @ 
% 77.54/11.70           (inverse @ 
% 77.54/11.70            (divide @ (divide @ (divide @ X1 @ X2) @ X3) @ (divide @ X0 @ X3))) @ 
% 77.54/11.70           (divide @ X2 @ X1)) = (X0))),
% 77.54/11.70      inference('cnf', [status(esa)], [single_axiom])).
% 77.54/11.70  thf(zip_derived_cl103, plain,
% 77.54/11.70      (![X0 : $i, X1 : $i, X2 : $i, X6 : $i]:
% 77.54/11.70         ((divide @ 
% 77.54/11.70           (divide @ 
% 77.54/11.70            (inverse @ (divide @ (divide @ (divide @ X0 @ X1) @ X6) @ X2)) @ 
% 77.54/11.70            (divide @ X1 @ X0)) @ 
% 77.54/11.70           X6) = (X2))),
% 77.54/11.70      inference('demod', [status(thm)], [zip_derived_cl58, zip_derived_cl0])).
% 77.54/11.70  thf(zip_derived_cl103, plain,
% 77.54/11.70      (![X0 : $i, X1 : $i, X2 : $i, X6 : $i]:
% 77.54/11.70         ((divide @ 
% 77.54/11.70           (divide @ 
% 77.54/11.70            (inverse @ (divide @ (divide @ (divide @ X0 @ X1) @ X6) @ X2)) @ 
% 77.54/11.70            (divide @ X1 @ X0)) @ 
% 77.54/11.70           X6) = (X2))),
% 77.54/11.70      inference('demod', [status(thm)], [zip_derived_cl58, zip_derived_cl0])).
% 77.54/11.70  thf(zip_derived_cl153, plain,
% 77.54/11.70      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i]:
% 77.54/11.70         ((divide @ 
% 77.54/11.70           (divide @ (inverse @ (divide @ X0 @ X1)) @ 
% 77.54/11.70            (divide @ (divide @ X3 @ X4) @ 
% 77.54/11.70             (inverse @ (divide @ (divide @ (divide @ X4 @ X3) @ X2) @ X0)))) @ 
% 77.54/11.70           X2) = (X1))),
% 77.54/11.70      inference('sup+', [status(thm)], [zip_derived_cl103, zip_derived_cl103])).
% 77.54/11.70  thf(zip_derived_cl660, plain,
% 77.54/11.70      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i, X6 : $i, 
% 77.54/11.70         X7 : $i, X8 : $i]:
% 77.54/11.70         ((divide @ 
% 77.54/11.70           (divide @ (inverse @ (divide @ X2 @ (divide @ X1 @ X0))) @ 
% 77.54/11.70            (divide @ (divide @ X7 @ X8) @ 
% 77.54/11.70             (inverse @ (divide @ (divide @ (divide @ X8 @ X7) @ X6) @ X2)))) @ 
% 77.54/11.70           X6)
% 77.54/11.70           = (divide @ (divide @ X4 @ X5) @ 
% 77.54/11.70              (inverse @ 
% 77.54/11.70               (divide @ (divide @ (divide @ X5 @ X4) @ X3) @ 
% 77.54/11.70                (divide @ (divide @ X0 @ X1) @ X3)))))),
% 77.54/11.70      inference('sup+', [status(thm)], [zip_derived_cl107, zip_derived_cl153])).
% 77.54/11.70  thf(zip_derived_cl153, plain,
% 77.54/11.70      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i]:
% 77.54/11.70         ((divide @ 
% 77.54/11.70           (divide @ (inverse @ (divide @ X0 @ X1)) @ 
% 77.54/11.70            (divide @ (divide @ X3 @ X4) @ 
% 77.54/11.70             (inverse @ (divide @ (divide @ (divide @ X4 @ X3) @ X2) @ X0)))) @ 
% 77.54/11.70           X2) = (X1))),
% 77.54/11.70      inference('sup+', [status(thm)], [zip_derived_cl103, zip_derived_cl103])).
% 77.54/11.70  thf(zip_derived_cl796, plain,
% 77.54/11.70      (![X0 : $i, X1 : $i, X3 : $i, X4 : $i, X5 : $i]:
% 77.54/11.70         ((divide @ X1 @ X0)
% 77.54/11.70           = (divide @ (divide @ X4 @ X5) @ 
% 77.54/11.70              (inverse @ 
% 77.54/11.70               (divide @ (divide @ (divide @ X5 @ X4) @ X3) @ 
% 77.54/11.70                (divide @ (divide @ X0 @ X1) @ X3)))))),
% 77.54/11.70      inference('demod', [status(thm)], [zip_derived_cl660, zip_derived_cl153])).
% 77.54/11.70  thf(zip_derived_cl103, plain,
% 77.54/11.70      (![X0 : $i, X1 : $i, X2 : $i, X6 : $i]:
% 77.54/11.70         ((divide @ 
% 77.54/11.70           (divide @ 
% 77.54/11.70            (inverse @ (divide @ (divide @ (divide @ X0 @ X1) @ X6) @ X2)) @ 
% 77.54/11.70            (divide @ X1 @ X0)) @ 
% 77.54/11.70           X6) = (X2))),
% 77.54/11.70      inference('demod', [status(thm)], [zip_derived_cl58, zip_derived_cl0])).
% 77.54/11.70  thf(zip_derived_cl889, plain,
% 77.54/11.70      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i]:
% 77.54/11.70         ((divide @ 
% 77.54/11.70           (divide @ (inverse @ (divide @ X1 @ X0)) @ (divide @ X3 @ X4)) @ X5)
% 77.54/11.70           = (inverse @ 
% 77.54/11.70              (divide @ (divide @ (divide @ X5 @ (divide @ X4 @ X3)) @ X2) @ 
% 77.54/11.70               (divide @ (divide @ X0 @ X1) @ X2))))),
% 77.54/11.70      inference('sup+', [status(thm)], [zip_derived_cl796, zip_derived_cl103])).
% 77.54/11.70  thf(zip_derived_cl0, plain,
% 77.54/11.70      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i]:
% 77.54/11.70         ((divide @ 
% 77.54/11.70           (inverse @ 
% 77.54/11.70            (divide @ (divide @ (divide @ X1 @ X2) @ X3) @ (divide @ X0 @ X3))) @ 
% 77.54/11.70           (divide @ X2 @ X1)) = (X0))),
% 77.54/11.70      inference('cnf', [status(esa)], [single_axiom])).
% 77.54/11.70  thf(zip_derived_cl1170, plain,
% 77.54/11.70      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i]:
% 77.54/11.70         ((divide @ 
% 77.54/11.70           (divide @ 
% 77.54/11.70            (divide @ (inverse @ (divide @ X4 @ X3)) @ (divide @ X2 @ X1)) @ X0) @ 
% 77.54/11.70           (divide @ (divide @ X1 @ X2) @ X0)) = (divide @ X3 @ X4))),
% 77.54/11.70      inference('sup+', [status(thm)], [zip_derived_cl889, zip_derived_cl0])).
% 77.54/11.70  thf(zip_derived_cl796, plain,
% 77.54/11.70      (![X0 : $i, X1 : $i, X3 : $i, X4 : $i, X5 : $i]:
% 77.54/11.70         ((divide @ X1 @ X0)
% 77.54/11.70           = (divide @ (divide @ X4 @ X5) @ 
% 77.54/11.70              (inverse @ 
% 77.54/11.70               (divide @ (divide @ (divide @ X5 @ X4) @ X3) @ 
% 77.54/11.70                (divide @ (divide @ X0 @ X1) @ X3)))))),
% 77.54/11.70      inference('demod', [status(thm)], [zip_derived_cl660, zip_derived_cl153])).
% 77.54/11.70  thf(zip_derived_cl1618, plain,
% 77.54/11.70      (![X0 : $i, X1 : $i, X3 : $i, X4 : $i]:
% 77.54/11.70         ((divide @ X3 @ X4)
% 77.54/11.70           = (divide @ 
% 77.54/11.70              (divide @ (divide @ X3 @ X4) @ (inverse @ (divide @ X0 @ X1))) @ 
% 77.54/11.70              (inverse @ (divide @ X1 @ X0))))),
% 77.54/11.70      inference('sup+', [status(thm)], [zip_derived_cl1170, zip_derived_cl796])).
% 77.54/11.70  thf(zip_derived_cl103, plain,
% 77.54/11.70      (![X0 : $i, X1 : $i, X2 : $i, X6 : $i]:
% 77.54/11.70         ((divide @ 
% 77.54/11.70           (divide @ 
% 77.54/11.70            (inverse @ (divide @ (divide @ (divide @ X0 @ X1) @ X6) @ X2)) @ 
% 77.54/11.70            (divide @ X1 @ X0)) @ 
% 77.54/11.70           X6) = (X2))),
% 77.54/11.70      inference('demod', [status(thm)], [zip_derived_cl58, zip_derived_cl0])).
% 77.54/11.70  thf(zip_derived_cl76, plain,
% 77.54/11.70      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i]:
% 77.54/11.70         ((inverse @ 
% 77.54/11.70           (divide @ (divide @ (divide @ X1 @ X2) @ X0) @ 
% 77.54/11.70            (divide @ (divide @ X3 @ (divide @ X2 @ X1)) @ X0)))
% 77.54/11.70           = (X3))),
% 77.54/11.70      inference('sup+', [status(thm)], [zip_derived_cl5, zip_derived_cl0])).
% 77.54/11.70  thf(zip_derived_cl152, plain,
% 77.54/11.70      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i]:
% 77.54/11.70         ((inverse @ 
% 77.54/11.70           (divide @ X0 @ 
% 77.54/11.70            (divide @ 
% 77.54/11.70             (divide @ X1 @ 
% 77.54/11.70              (divide @ (divide @ X3 @ X4) @ 
% 77.54/11.70               (inverse @ (divide @ (divide @ (divide @ X4 @ X3) @ X2) @ X0)))) @ 
% 77.54/11.70             X2)))
% 77.54/11.70           = (X1))),
% 77.54/11.70      inference('sup+', [status(thm)], [zip_derived_cl103, zip_derived_cl76])).
% 77.54/11.70  thf(zip_derived_cl1958, plain,
% 77.54/11.70      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i]:
% 77.54/11.70         ((inverse @ 
% 77.54/11.70           (divide @ (inverse @ (divide @ X3 @ X4)) @ 
% 77.54/11.70            (divide @ 
% 77.54/11.70             (divide @ X2 @ 
% 77.54/11.70              (divide @ (divide @ X0 @ X1) @ (inverse @ (divide @ X1 @ X0)))) @ 
% 77.54/11.70             (inverse @ (divide @ X4 @ X3)))))
% 77.54/11.70           = (X2))),
% 77.54/11.70      inference('sup+', [status(thm)], [zip_derived_cl1618, zip_derived_cl152])).
% 77.54/11.70  thf(zip_derived_cl1170, plain,
% 77.54/11.70      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i]:
% 77.54/11.70         ((divide @ 
% 77.54/11.70           (divide @ 
% 77.54/11.70            (divide @ (inverse @ (divide @ X4 @ X3)) @ (divide @ X2 @ X1)) @ X0) @ 
% 77.54/11.70           (divide @ (divide @ X1 @ X2) @ X0)) = (divide @ X3 @ X4))),
% 77.54/11.70      inference('sup+', [status(thm)], [zip_derived_cl889, zip_derived_cl0])).
% 77.54/11.70  thf(zip_derived_cl0, plain,
% 77.54/11.70      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i]:
% 77.54/11.70         ((divide @ 
% 77.54/11.70           (inverse @ 
% 77.54/11.70            (divide @ (divide @ (divide @ X1 @ X2) @ X3) @ (divide @ X0 @ X3))) @ 
% 77.54/11.70           (divide @ X2 @ X1)) = (X0))),
% 77.54/11.70      inference('cnf', [status(esa)], [single_axiom])).
% 77.54/11.70  thf(zip_derived_cl1614, plain,
% 77.54/11.70      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i]:
% 77.54/11.70         ((divide @ (inverse @ (divide @ X1 @ X0)) @ 
% 77.54/11.70           (divide @ (divide @ X2 @ X3) @ (inverse @ (divide @ X0 @ X1))))
% 77.54/11.70           = (divide @ X3 @ X2))),
% 77.54/11.70      inference('sup+', [status(thm)], [zip_derived_cl1170, zip_derived_cl0])).
% 77.54/11.70  thf(zip_derived_cl2108, plain,
% 77.54/11.70      (![X0 : $i, X1 : $i, X2 : $i]:
% 77.54/11.70         ((inverse @ 
% 77.54/11.70           (divide @ 
% 77.54/11.70            (divide @ (divide @ X0 @ X1) @ (inverse @ (divide @ X1 @ X0))) @ X2))
% 77.54/11.70           = (X2))),
% 77.54/11.70      inference('demod', [status(thm)],
% 77.54/11.70                [zip_derived_cl1958, zip_derived_cl1614])).
% 77.54/11.70  thf(zip_derived_cl2108, plain,
% 77.54/11.70      (![X0 : $i, X1 : $i, X2 : $i]:
% 77.54/11.70         ((inverse @ 
% 77.54/11.70           (divide @ 
% 77.54/11.70            (divide @ (divide @ X0 @ X1) @ (inverse @ (divide @ X1 @ X0))) @ X2))
% 77.54/11.70           = (X2))),
% 77.54/11.70      inference('demod', [status(thm)],
% 77.54/11.70                [zip_derived_cl1958, zip_derived_cl1614])).
% 77.54/11.70  thf(zip_derived_cl6, plain,
% 77.54/11.70      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i]:
% 77.54/11.70         ((divide @ 
% 77.54/11.70           (inverse @ 
% 77.54/11.70            (divide @ 
% 77.54/11.70             (divide @ 
% 77.54/11.70              (divide @ (divide @ X3 @ X2) @ 
% 77.54/11.70               (inverse @ 
% 77.54/11.70                (divide @ (divide @ (divide @ X2 @ X3) @ X4) @ 
% 77.54/11.70                 (divide @ X0 @ X4)))) @ 
% 77.54/11.70              X5) @ 
% 77.54/11.70             (divide @ X1 @ X5))) @ 
% 77.54/11.70           X0) = (X1))),
% 77.54/11.70      inference('sup+', [status(thm)], [zip_derived_cl0, zip_derived_cl0])).
% 77.54/11.70  thf(zip_derived_cl2295, plain,
% 77.54/11.70      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i]:
% 77.54/11.70         ((divide @ 
% 77.54/11.70           (divide @ X4 @ 
% 77.54/11.70            (inverse @ 
% 77.54/11.70             (divide @ 
% 77.54/11.70              (inverse @ 
% 77.54/11.70               (divide @ (divide @ (divide @ X0 @ X1) @ X2) @ 
% 77.54/11.70                (divide @ X3 @ X2))) @ 
% 77.54/11.70              (divide @ X1 @ X0)))) @ 
% 77.54/11.70           X3) = (X4))),
% 77.54/11.70      inference('sup+', [status(thm)], [zip_derived_cl2108, zip_derived_cl6])).
% 77.54/11.70  thf(zip_derived_cl0, plain,
% 77.54/11.70      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i]:
% 77.54/11.70         ((divide @ 
% 77.54/11.70           (inverse @ 
% 77.54/11.70            (divide @ (divide @ (divide @ X1 @ X2) @ X3) @ (divide @ X0 @ X3))) @ 
% 77.54/11.70           (divide @ X2 @ X1)) = (X0))),
% 77.54/11.70      inference('cnf', [status(esa)], [single_axiom])).
% 77.54/11.70  thf(zip_derived_cl2358, plain,
% 77.54/11.70      (![X3 : $i, X4 : $i]:
% 77.54/11.70         ((divide @ (divide @ X4 @ (inverse @ X3)) @ X3) = (X4))),
% 77.54/11.70      inference('demod', [status(thm)], [zip_derived_cl2295, zip_derived_cl0])).
% 77.54/11.70  thf(zip_derived_cl2108, plain,
% 77.54/11.70      (![X0 : $i, X1 : $i, X2 : $i]:
% 77.54/11.70         ((inverse @ 
% 77.54/11.70           (divide @ 
% 77.54/11.70            (divide @ (divide @ X0 @ X1) @ (inverse @ (divide @ X1 @ X0))) @ X2))
% 77.54/11.70           = (X2))),
% 77.54/11.70      inference('demod', [status(thm)],
% 77.54/11.70                [zip_derived_cl1958, zip_derived_cl1614])).
% 77.54/11.70  thf(zip_derived_cl2455, plain,
% 77.54/11.70      (![X0 : $i, X1 : $i]:
% 77.54/11.70         ((inverse @ (divide @ X1 @ X0)) = (divide @ X0 @ X1))),
% 77.54/11.70      inference('sup+', [status(thm)], [zip_derived_cl2358, zip_derived_cl2108])).
% 77.54/11.70  thf(zip_derived_cl2455, plain,
% 77.54/11.70      (![X0 : $i, X1 : $i]:
% 77.54/11.70         ((inverse @ (divide @ X1 @ X0)) = (divide @ X0 @ X1))),
% 77.54/11.70      inference('sup+', [status(thm)], [zip_derived_cl2358, zip_derived_cl2108])).
% 77.54/11.70  thf(zip_derived_cl2501, plain,
% 77.54/11.70      (![X0 : $i, X1 : $i, X2 : $i]:
% 77.54/11.70         ((divide @ X2 @ (divide @ (divide @ X0 @ X1) @ (divide @ X0 @ X1)))
% 77.54/11.70           = (X2))),
% 77.54/11.70      inference('demod', [status(thm)],
% 77.54/11.70                [zip_derived_cl2108, zip_derived_cl2455, zip_derived_cl2455])).
% 77.54/11.70  thf(zip_derived_cl2501, plain,
% 77.54/11.70      (![X0 : $i, X1 : $i, X2 : $i]:
% 77.54/11.70         ((divide @ X2 @ (divide @ (divide @ X0 @ X1) @ (divide @ X0 @ X1)))
% 77.54/11.70           = (X2))),
% 77.54/11.70      inference('demod', [status(thm)],
% 77.54/11.70                [zip_derived_cl2108, zip_derived_cl2455, zip_derived_cl2455])).
% 77.54/11.70  thf(zip_derived_cl3328, plain,
% 77.54/11.70      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i]:
% 77.54/11.70         ((divide @ X1 @ 
% 77.54/11.70           (divide @ 
% 77.54/11.70            (divide @ X0 @ (divide @ (divide @ X3 @ X2) @ (divide @ X3 @ X2))) @ 
% 77.54/11.70            X0))
% 77.54/11.70           = (X1))),
% 77.54/11.70      inference('sup+', [status(thm)], [zip_derived_cl2501, zip_derived_cl2501])).
% 77.54/11.70  thf(zip_derived_cl2501, plain,
% 77.54/11.70      (![X0 : $i, X1 : $i, X2 : $i]:
% 77.54/11.70         ((divide @ X2 @ (divide @ (divide @ X0 @ X1) @ (divide @ X0 @ X1)))
% 77.54/11.70           = (X2))),
% 77.54/11.70      inference('demod', [status(thm)],
% 77.54/11.70                [zip_derived_cl2108, zip_derived_cl2455, zip_derived_cl2455])).
% 77.54/11.70  thf(zip_derived_cl3357, plain,
% 77.54/11.70      (![X0 : $i, X1 : $i]: ((divide @ X1 @ (divide @ X0 @ X0)) = (X1))),
% 77.54/11.70      inference('demod', [status(thm)],
% 77.54/11.70                [zip_derived_cl3328, zip_derived_cl2501])).
% 77.54/11.70  thf(zip_derived_cl2455, plain,
% 77.54/11.70      (![X0 : $i, X1 : $i]:
% 77.54/11.70         ((inverse @ (divide @ X1 @ X0)) = (divide @ X0 @ X1))),
% 77.54/11.70      inference('sup+', [status(thm)], [zip_derived_cl2358, zip_derived_cl2108])).
% 77.54/11.70  thf(zip_derived_cl3400, plain,
% 77.54/11.70      (![X0 : $i, X1 : $i]:
% 77.54/11.70         ((inverse @ X0) = (divide @ (divide @ X1 @ X1) @ X0))),
% 77.54/11.70      inference('sup+', [status(thm)], [zip_derived_cl3357, zip_derived_cl2455])).
% 77.54/11.70  thf(zip_derived_cl3400, plain,
% 77.54/11.70      (![X0 : $i, X1 : $i]:
% 77.54/11.70         ((inverse @ X0) = (divide @ (divide @ X1 @ X1) @ X0))),
% 77.54/11.70      inference('sup+', [status(thm)], [zip_derived_cl3357, zip_derived_cl2455])).
% 77.54/11.70  thf(zip_derived_cl3400, plain,
% 77.54/11.70      (![X0 : $i, X1 : $i]:
% 77.54/11.70         ((inverse @ X0) = (divide @ (divide @ X1 @ X1) @ X0))),
% 77.54/11.70      inference('sup+', [status(thm)], [zip_derived_cl3357, zip_derived_cl2455])).
% 77.54/11.70  thf(zip_derived_cl3400, plain,
% 77.54/11.70      (![X0 : $i, X1 : $i]:
% 77.54/11.70         ((inverse @ X0) = (divide @ (divide @ X1 @ X1) @ X0))),
% 77.54/11.70      inference('sup+', [status(thm)], [zip_derived_cl3357, zip_derived_cl2455])).
% 77.54/11.70  thf(prove_these_axioms, conjecture,
% 77.54/11.70    (~( ( ( multiply @ ( multiply @ a3 @ b3 ) @ c3 ) !=
% 77.54/11.70          ( multiply @ a3 @ ( multiply @ b3 @ c3 ) ) ) | 
% 77.54/11.70        ( ( multiply @ ( multiply @ ( inverse @ b2 ) @ b2 ) @ a2 ) != ( a2 ) ) | 
% 77.54/11.70        ( ( multiply @ ( inverse @ a1 ) @ a1 ) !=
% 77.54/11.70          ( multiply @ ( inverse @ b1 ) @ b1 ) ) ))).
% 77.54/11.70  thf(zf_stmt_0, negated_conjecture,
% 77.54/11.70    (( ( multiply @ ( multiply @ a3 @ b3 ) @ c3 ) !=
% 77.54/11.70       ( multiply @ a3 @ ( multiply @ b3 @ c3 ) ) ) | 
% 77.54/11.70     ( ( multiply @ ( multiply @ ( inverse @ b2 ) @ b2 ) @ a2 ) != ( a2 ) ) | 
% 77.54/11.70     ( ( multiply @ ( inverse @ a1 ) @ a1 ) !=
% 77.54/11.70       ( multiply @ ( inverse @ b1 ) @ b1 ) )),
% 77.54/11.70    inference('cnf.neg', [status(esa)], [prove_these_axioms])).
% 77.54/11.70  thf(zip_derived_cl2, plain,
% 77.54/11.70      ((((multiply @ (multiply @ a3 @ b3) @ c3)
% 77.54/11.70          != (multiply @ a3 @ (multiply @ b3 @ c3)))
% 77.54/11.70        | ((multiply @ (multiply @ (inverse @ b2) @ b2) @ a2) != (a2))
% 77.54/11.70        | ((multiply @ (inverse @ a1) @ a1) != (multiply @ (inverse @ b1) @ b1)))),
% 77.54/11.70      inference('cnf', [status(esa)], [zf_stmt_0])).
% 77.54/11.70  thf(multiply, axiom,
% 77.54/11.70    (( multiply @ X @ Y ) = ( divide @ X @ ( inverse @ Y ) ))).
% 77.54/11.70  thf(zip_derived_cl1, plain,
% 77.54/11.70      (![X0 : $i, X1 : $i]:
% 77.54/11.70         ((multiply @ X0 @ X1) = (divide @ X0 @ (inverse @ X1)))),
% 77.54/11.70      inference('cnf', [status(esa)], [multiply])).
% 77.54/11.70  thf(zip_derived_cl1, plain,
% 77.54/11.70      (![X0 : $i, X1 : $i]:
% 77.54/11.70         ((multiply @ X0 @ X1) = (divide @ X0 @ (inverse @ X1)))),
% 77.54/11.70      inference('cnf', [status(esa)], [multiply])).
% 77.54/11.70  thf(zip_derived_cl1, plain,
% 77.54/11.70      (![X0 : $i, X1 : $i]:
% 77.54/11.70         ((multiply @ X0 @ X1) = (divide @ X0 @ (inverse @ X1)))),
% 77.54/11.70      inference('cnf', [status(esa)], [multiply])).
% 77.54/11.70  thf(zip_derived_cl1, plain,
% 77.54/11.70      (![X0 : $i, X1 : $i]:
% 77.54/11.70         ((multiply @ X0 @ X1) = (divide @ X0 @ (inverse @ X1)))),
% 77.54/11.70      inference('cnf', [status(esa)], [multiply])).
% 77.54/11.70  thf(zip_derived_cl1, plain,
% 77.54/11.70      (![X0 : $i, X1 : $i]:
% 77.54/11.70         ((multiply @ X0 @ X1) = (divide @ X0 @ (inverse @ X1)))),
% 77.54/11.70      inference('cnf', [status(esa)], [multiply])).
% 77.54/11.70  thf(zip_derived_cl1, plain,
% 77.54/11.70      (![X0 : $i, X1 : $i]:
% 77.54/11.70         ((multiply @ X0 @ X1) = (divide @ X0 @ (inverse @ X1)))),
% 77.54/11.70      inference('cnf', [status(esa)], [multiply])).
% 77.54/11.70  thf(zip_derived_cl1, plain,
% 77.54/11.70      (![X0 : $i, X1 : $i]:
% 77.54/11.70         ((multiply @ X0 @ X1) = (divide @ X0 @ (inverse @ X1)))),
% 77.54/11.70      inference('cnf', [status(esa)], [multiply])).
% 77.54/11.70  thf(zip_derived_cl1, plain,
% 77.54/11.70      (![X0 : $i, X1 : $i]:
% 77.54/11.70         ((multiply @ X0 @ X1) = (divide @ X0 @ (inverse @ X1)))),
% 77.54/11.70      inference('cnf', [status(esa)], [multiply])).
% 77.54/11.70  thf(zip_derived_cl3, plain,
% 77.54/11.70      ((((divide @ (divide @ a3 @ (inverse @ b3)) @ (inverse @ c3))
% 77.54/11.70          != (divide @ a3 @ (inverse @ (divide @ b3 @ (inverse @ c3)))))
% 77.54/11.70        | ((divide @ (divide @ (inverse @ b2) @ (inverse @ b2)) @ 
% 77.54/11.70            (inverse @ a2)) != (a2))
% 77.54/11.70        | ((divide @ (inverse @ a1) @ (inverse @ a1))
% 77.54/11.70            != (divide @ (inverse @ b1) @ (inverse @ b1))))),
% 77.54/11.70      inference('demod', [status(thm)],
% 77.54/11.70                [zip_derived_cl2, zip_derived_cl1, zip_derived_cl1, 
% 77.54/11.70                 zip_derived_cl1, zip_derived_cl1, zip_derived_cl1, 
% 77.54/11.70                 zip_derived_cl1, zip_derived_cl1, zip_derived_cl1])).
% 77.54/11.70  thf(zip_derived_cl2455, plain,
% 77.54/11.70      (![X0 : $i, X1 : $i]:
% 77.54/11.70         ((inverse @ (divide @ X1 @ X0)) = (divide @ X0 @ X1))),
% 77.54/11.70      inference('sup+', [status(thm)], [zip_derived_cl2358, zip_derived_cl2108])).
% 77.54/11.70  thf(zip_derived_cl2484, plain,
% 77.54/11.70      ((((divide @ (divide @ a3 @ (inverse @ b3)) @ (inverse @ c3))
% 77.54/11.70          != (divide @ a3 @ (divide @ (inverse @ c3) @ b3)))
% 77.54/11.70        | ((divide @ (divide @ (inverse @ b2) @ (inverse @ b2)) @ 
% 77.54/11.70            (inverse @ a2)) != (a2))
% 77.54/11.70        | ((divide @ (inverse @ a1) @ (inverse @ a1))
% 77.54/11.70            != (divide @ (inverse @ b1) @ (inverse @ b1))))),
% 77.54/11.70      inference('demod', [status(thm)], [zip_derived_cl3, zip_derived_cl2455])).
% 77.54/11.70  thf(zip_derived_cl3516, plain,
% 77.54/11.70      (![X0 : $i]:
% 77.54/11.70         (((divide @ 
% 77.54/11.70            (divide @ (divide @ (divide @ X0 @ X0) @ b2) @ (inverse @ b2)) @ 
% 77.54/11.70            (inverse @ a2)) != (a2))
% 77.54/11.70          | ((divide @ (inverse @ a1) @ (inverse @ a1))
% 77.54/11.70              != (divide @ (inverse @ b1) @ (inverse @ b1)))
% 77.54/11.70          | ((divide @ (divide @ a3 @ (inverse @ b3)) @ (inverse @ c3))
% 77.54/11.70              != (divide @ a3 @ (divide @ (inverse @ c3) @ b3))))),
% 77.54/11.70      inference('sup-', [status(thm)], [zip_derived_cl3400, zip_derived_cl2484])).
% 77.54/11.70  thf(zip_derived_cl2358, plain,
% 77.54/11.70      (![X3 : $i, X4 : $i]:
% 77.54/11.70         ((divide @ (divide @ X4 @ (inverse @ X3)) @ X3) = (X4))),
% 77.54/11.70      inference('demod', [status(thm)], [zip_derived_cl2295, zip_derived_cl0])).
% 77.54/11.70  thf(zip_derived_cl2358, plain,
% 77.54/11.70      (![X3 : $i, X4 : $i]:
% 77.54/11.70         ((divide @ (divide @ X4 @ (inverse @ X3)) @ X3) = (X4))),
% 77.54/11.70      inference('demod', [status(thm)], [zip_derived_cl2295, zip_derived_cl0])).
% 77.54/11.70  thf(zip_derived_cl2427, plain,
% 77.54/11.70      (![X0 : $i, X1 : $i]:
% 77.54/11.70         ((divide @ X0 @ X1) = (divide @ X0 @ (inverse @ (inverse @ X1))))),
% 77.54/11.70      inference('sup+', [status(thm)], [zip_derived_cl2358, zip_derived_cl2358])).
% 77.54/11.70  thf(zip_derived_cl2358, plain,
% 77.54/11.70      (![X3 : $i, X4 : $i]:
% 77.54/11.70         ((divide @ (divide @ X4 @ (inverse @ X3)) @ X3) = (X4))),
% 77.54/11.70      inference('demod', [status(thm)], [zip_derived_cl2295, zip_derived_cl0])).
% 77.54/11.70  thf(zip_derived_cl2514, plain,
% 77.54/11.70      (![X0 : $i, X1 : $i]:
% 77.54/11.70         ((divide @ (divide @ X1 @ X0) @ (inverse @ X0)) = (X1))),
% 77.54/11.70      inference('sup+', [status(thm)], [zip_derived_cl2427, zip_derived_cl2358])).
% 77.54/11.70  thf(zip_derived_cl3571, plain,
% 77.54/11.70      (![X0 : $i]:
% 77.54/11.70         (((divide @ (divide @ X0 @ X0) @ (inverse @ a2)) != (a2))
% 77.54/11.70          | ((divide @ (inverse @ a1) @ (inverse @ a1))
% 77.54/11.70              != (divide @ (inverse @ b1) @ (inverse @ b1)))
% 77.54/11.70          | ((divide @ (divide @ a3 @ (inverse @ b3)) @ (inverse @ c3))
% 77.54/11.70              != (divide @ a3 @ (divide @ (inverse @ c3) @ b3))))),
% 77.54/11.70      inference('demod', [status(thm)],
% 77.54/11.70                [zip_derived_cl3516, zip_derived_cl2514])).
% 77.54/11.70  thf(zip_derived_cl3595, plain,
% 77.54/11.70      (![X0 : $i, X1 : $i]:
% 77.54/11.70         (((divide @ (inverse @ a1) @ (inverse @ a1))
% 77.54/11.70            != (divide @ (divide @ (divide @ X0 @ X0) @ b1) @ (inverse @ b1)))
% 77.54/11.70          | ((divide @ (divide @ a3 @ (inverse @ b3)) @ (inverse @ c3))
% 77.54/11.70              != (divide @ a3 @ (divide @ (inverse @ c3) @ b3)))
% 77.54/11.70          | ((divide @ (divide @ X1 @ X1) @ (inverse @ a2)) != (a2)))),
% 77.54/11.70      inference('sup-', [status(thm)], [zip_derived_cl3400, zip_derived_cl3571])).
% 77.54/11.70  thf(zip_derived_cl2514, plain,
% 77.54/11.70      (![X0 : $i, X1 : $i]:
% 77.54/11.70         ((divide @ (divide @ X1 @ X0) @ (inverse @ X0)) = (X1))),
% 77.54/11.70      inference('sup+', [status(thm)], [zip_derived_cl2427, zip_derived_cl2358])).
% 77.54/11.70  thf(zip_derived_cl3596, plain,
% 77.54/11.70      (![X0 : $i, X1 : $i]:
% 77.54/11.70         (((divide @ (inverse @ a1) @ (inverse @ a1)) != (divide @ X0 @ X0))
% 77.54/11.70          | ((divide @ (divide @ a3 @ (inverse @ b3)) @ (inverse @ c3))
% 77.54/11.70              != (divide @ a3 @ (divide @ (inverse @ c3) @ b3)))
% 77.54/11.70          | ((divide @ (divide @ X1 @ X1) @ (inverse @ a2)) != (a2)))),
% 77.54/11.70      inference('demod', [status(thm)],
% 77.54/11.70                [zip_derived_cl3595, zip_derived_cl2514])).
% 77.54/11.70  thf(zip_derived_cl3599, plain,
% 77.54/11.70      (![X0 : $i, X1 : $i, X2 : $i]:
% 77.54/11.70         (((divide @ (divide @ a3 @ (inverse @ b3)) @ (inverse @ c3))
% 77.54/11.70            != (divide @ a3 @ 
% 77.54/11.70                (divide @ (divide @ (divide @ X0 @ X0) @ c3) @ b3)))
% 77.54/11.70          | ((divide @ (divide @ X1 @ X1) @ (inverse @ a2)) != (a2))
% 77.54/11.70          | ((divide @ (inverse @ a1) @ (inverse @ a1)) != (divide @ X2 @ X2)))),
% 77.54/11.70      inference('sup-', [status(thm)], [zip_derived_cl3400, zip_derived_cl3596])).
% 77.54/11.70  thf(zip_derived_cl3600, plain,
% 77.54/11.70      (![X1 : $i, X2 : $i]:
% 77.54/11.70         (((inverse @ (inverse @ a2)) != (a2))
% 77.54/11.70          | ((divide @ (inverse @ a1) @ (inverse @ a1)) != (divide @ X1 @ X1))
% 77.54/11.70          | ((divide @ (divide @ a3 @ (inverse @ b3)) @ (inverse @ c3))
% 77.54/11.70              != (divide @ a3 @ 
% 77.54/11.70                  (divide @ (divide @ (divide @ X2 @ X2) @ c3) @ b3))))),
% 77.54/11.70      inference('sup-', [status(thm)], [zip_derived_cl3400, zip_derived_cl3599])).
% 77.54/11.70  thf(zip_derived_cl2427, plain,
% 77.54/11.70      (![X0 : $i, X1 : $i]:
% 77.54/11.70         ((divide @ X0 @ X1) = (divide @ X0 @ (inverse @ (inverse @ X1))))),
% 77.54/11.70      inference('sup+', [status(thm)], [zip_derived_cl2358, zip_derived_cl2358])).
% 77.54/11.70  thf(zip_derived_cl2455, plain,
% 77.54/11.70      (![X0 : $i, X1 : $i]:
% 77.54/11.70         ((inverse @ (divide @ X1 @ X0)) = (divide @ X0 @ X1))),
% 77.54/11.70      inference('sup+', [status(thm)], [zip_derived_cl2358, zip_derived_cl2108])).
% 77.54/11.70  thf(zip_derived_cl2513, plain,
% 77.54/11.70      (![X0 : $i, X1 : $i]:
% 77.54/11.70         ((inverse @ (divide @ X1 @ X0))
% 77.54/11.70           = (divide @ (inverse @ (inverse @ X0)) @ X1))),
% 77.54/11.70      inference('sup+', [status(thm)], [zip_derived_cl2427, zip_derived_cl2455])).
% 77.54/11.70  thf(zip_derived_cl2455, plain,
% 77.54/11.70      (![X0 : $i, X1 : $i]:
% 77.54/11.70         ((inverse @ (divide @ X1 @ X0)) = (divide @ X0 @ X1))),
% 77.54/11.70      inference('sup+', [status(thm)], [zip_derived_cl2358, zip_derived_cl2108])).
% 77.54/11.70  thf(zip_derived_cl2529, plain,
% 77.54/11.70      (![X0 : $i, X1 : $i]:
% 77.54/11.70         ((divide @ X0 @ X1) = (divide @ (inverse @ (inverse @ X0)) @ X1))),
% 77.54/11.70      inference('demod', [status(thm)],
% 77.54/11.70                [zip_derived_cl2513, zip_derived_cl2455])).
% 77.54/11.70  thf(zip_derived_cl2514, plain,
% 77.54/11.70      (![X0 : $i, X1 : $i]:
% 77.54/11.70         ((divide @ (divide @ X1 @ X0) @ (inverse @ X0)) = (X1))),
% 77.54/11.70      inference('sup+', [status(thm)], [zip_derived_cl2427, zip_derived_cl2358])).
% 77.54/11.70  thf(zip_derived_cl2566, plain,
% 77.54/11.70      (![X0 : $i, X1 : $i]:
% 77.54/11.70         ((divide @ (divide @ X1 @ X0) @ (inverse @ X0))
% 77.54/11.70           = (inverse @ (inverse @ X1)))),
% 77.54/11.70      inference('sup+', [status(thm)], [zip_derived_cl2529, zip_derived_cl2514])).
% 77.54/11.70  thf(zip_derived_cl2514, plain,
% 77.54/11.70      (![X0 : $i, X1 : $i]:
% 77.54/11.70         ((divide @ (divide @ X1 @ X0) @ (inverse @ X0)) = (X1))),
% 77.54/11.70      inference('sup+', [status(thm)], [zip_derived_cl2427, zip_derived_cl2358])).
% 77.54/11.70  thf(zip_derived_cl2584, plain,
% 77.54/11.70      (![X1 : $i]: ((X1) = (inverse @ (inverse @ X1)))),
% 77.54/11.70      inference('demod', [status(thm)],
% 77.54/11.70                [zip_derived_cl2566, zip_derived_cl2514])).
% 77.54/11.70  thf(zip_derived_cl3607, plain,
% 77.54/11.70      (![X1 : $i, X2 : $i]:
% 77.54/11.70         (((a2) != (a2))
% 77.54/11.70          | ((divide @ (inverse @ a1) @ (inverse @ a1)) != (divide @ X1 @ X1))
% 77.54/11.70          | ((divide @ (divide @ a3 @ (inverse @ b3)) @ (inverse @ c3))
% 77.54/11.70              != (divide @ a3 @ 
% 77.54/11.70                  (divide @ (divide @ (divide @ X2 @ X2) @ c3) @ b3))))),
% 77.54/11.70      inference('demod', [status(thm)],
% 77.54/11.70                [zip_derived_cl3600, zip_derived_cl2584])).
% 77.54/11.70  thf(zip_derived_cl3608, plain,
% 77.54/11.70      (![X1 : $i, X2 : $i]:
% 77.54/11.70         (((divide @ (divide @ a3 @ (inverse @ b3)) @ (inverse @ c3))
% 77.54/11.70            != (divide @ a3 @ 
% 77.54/11.70                (divide @ (divide @ (divide @ X2 @ X2) @ c3) @ b3)))
% 77.54/11.70          | ((divide @ (inverse @ a1) @ (inverse @ a1)) != (divide @ X1 @ X1)))),
% 77.54/11.70      inference('simplify', [status(thm)], [zip_derived_cl3607])).
% 77.54/11.70  thf(zip_derived_cl3619, plain,
% 77.54/11.70      (![X0 : $i]:
% 77.54/11.70         ((divide @ (divide @ a3 @ (inverse @ b3)) @ (inverse @ c3))
% 77.54/11.70           != (divide @ a3 @ (divide @ (divide @ (divide @ X0 @ X0) @ c3) @ b3)))),
% 77.54/11.70      inference('eq_res', [status(thm)], [zip_derived_cl3608])).
% 77.54/11.70  thf(zip_derived_cl2358, plain,
% 77.54/11.70      (![X3 : $i, X4 : $i]:
% 77.54/11.70         ((divide @ (divide @ X4 @ (inverse @ X3)) @ X3) = (X4))),
% 77.54/11.70      inference('demod', [status(thm)], [zip_derived_cl2295, zip_derived_cl0])).
% 77.54/11.70  thf(zip_derived_cl3357, plain,
% 77.54/11.70      (![X0 : $i, X1 : $i]: ((divide @ X1 @ (divide @ X0 @ X0)) = (X1))),
% 77.54/11.70      inference('demod', [status(thm)],
% 77.54/11.70                [zip_derived_cl3328, zip_derived_cl2501])).
% 77.54/11.70  thf(zip_derived_cl103, plain,
% 77.54/11.70      (![X0 : $i, X1 : $i, X2 : $i, X6 : $i]:
% 77.54/11.70         ((divide @ 
% 77.54/11.70           (divide @ 
% 77.54/11.70            (inverse @ (divide @ (divide @ (divide @ X0 @ X1) @ X6) @ X2)) @ 
% 77.54/11.70            (divide @ X1 @ X0)) @ 
% 77.54/11.70           X6) = (X2))),
% 77.54/11.70      inference('demod', [status(thm)], [zip_derived_cl58, zip_derived_cl0])).
% 77.54/11.70  thf(zip_derived_cl1618, plain,
% 77.54/11.70      (![X0 : $i, X1 : $i, X3 : $i, X4 : $i]:
% 77.54/11.70         ((divide @ X3 @ X4)
% 77.54/11.70           = (divide @ 
% 77.54/11.70              (divide @ (divide @ X3 @ X4) @ (inverse @ (divide @ X0 @ X1))) @ 
% 77.54/11.70              (inverse @ (divide @ X1 @ X0))))),
% 77.54/11.70      inference('sup+', [status(thm)], [zip_derived_cl1170, zip_derived_cl796])).
% 77.54/11.70  thf(zip_derived_cl2016, plain,
% 77.54/11.70      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i]:
% 77.54/11.70         ((divide @ 
% 77.54/11.70           (divide @ 
% 77.54/11.70            (inverse @ (divide @ (divide @ (divide @ X4 @ X5) @ X3) @ X0)) @ 
% 77.54/11.70            (divide @ X5 @ X4)) @ 
% 77.54/11.70           X3)
% 77.54/11.70           = (divide @ (divide @ X0 @ (inverse @ (divide @ X1 @ X2))) @ 
% 77.54/11.70              (inverse @ (divide @ X2 @ X1))))),
% 77.54/11.70      inference('sup+', [status(thm)], [zip_derived_cl103, zip_derived_cl1618])).
% 77.54/11.70  thf(zip_derived_cl103, plain,
% 77.54/11.70      (![X0 : $i, X1 : $i, X2 : $i, X6 : $i]:
% 77.54/11.70         ((divide @ 
% 77.54/11.70           (divide @ 
% 77.54/11.70            (inverse @ (divide @ (divide @ (divide @ X0 @ X1) @ X6) @ X2)) @ 
% 77.54/11.70            (divide @ X1 @ X0)) @ 
% 77.54/11.70           X6) = (X2))),
% 77.54/11.70      inference('demod', [status(thm)], [zip_derived_cl58, zip_derived_cl0])).
% 77.54/11.70  thf(zip_derived_cl2046, plain,
% 77.54/11.70      (![X0 : $i, X1 : $i, X2 : $i]:
% 77.54/11.70         ((X0)
% 77.54/11.70           = (divide @ (divide @ X0 @ (inverse @ (divide @ X1 @ X2))) @ 
% 77.54/11.70              (inverse @ (divide @ X2 @ X1))))),
% 77.54/11.70      inference('demod', [status(thm)], [zip_derived_cl2016, zip_derived_cl103])).
% 77.54/11.70  thf(zip_derived_cl2455, plain,
% 77.54/11.70      (![X0 : $i, X1 : $i]:
% 77.54/11.70         ((inverse @ (divide @ X1 @ X0)) = (divide @ X0 @ X1))),
% 77.54/11.70      inference('sup+', [status(thm)], [zip_derived_cl2358, zip_derived_cl2108])).
% 77.54/11.70  thf(zip_derived_cl2455, plain,
% 77.54/11.70      (![X0 : $i, X1 : $i]:
% 77.54/11.70         ((inverse @ (divide @ X1 @ X0)) = (divide @ X0 @ X1))),
% 77.54/11.70      inference('sup+', [status(thm)], [zip_derived_cl2358, zip_derived_cl2108])).
% 77.54/11.70  thf(zip_derived_cl2500, plain,
% 77.54/11.70      (![X0 : $i, X1 : $i, X2 : $i]:
% 77.54/11.70         ((X0)
% 77.54/11.70           = (divide @ (divide @ X0 @ (divide @ X2 @ X1)) @ (divide @ X1 @ X2)))),
% 77.54/11.70      inference('demod', [status(thm)],
% 77.54/11.70                [zip_derived_cl2046, zip_derived_cl2455, zip_derived_cl2455])).
% 77.54/11.70  thf(zip_derived_cl3393, plain,
% 77.54/11.70      (![X0 : $i, X1 : $i, X2 : $i]:
% 77.54/11.70         ((X2)
% 77.54/11.70           = (divide @ (divide @ X2 @ X0) @ (divide @ (divide @ X1 @ X1) @ X0)))),
% 77.54/11.70      inference('sup+', [status(thm)], [zip_derived_cl3357, zip_derived_cl2500])).
% 77.54/11.70  thf(zip_derived_cl76, plain,
% 77.54/11.70      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i]:
% 77.54/11.70         ((inverse @ 
% 77.54/11.70           (divide @ (divide @ (divide @ X1 @ X2) @ X0) @ 
% 77.54/11.70            (divide @ (divide @ X3 @ (divide @ X2 @ X1)) @ X0)))
% 77.54/11.70           = (X3))),
% 77.54/11.70      inference('sup+', [status(thm)], [zip_derived_cl5, zip_derived_cl0])).
% 77.54/11.70  thf(zip_derived_cl4940, plain,
% 77.54/11.70      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i]:
% 77.54/11.70         ((inverse @ 
% 77.54/11.70           (divide @ (divide @ (divide @ X1 @ (divide @ X3 @ X3)) @ X2) @ 
% 77.54/11.70            (divide @ X0 @ X2)))
% 77.54/11.70           = (divide @ X0 @ X1))),
% 77.54/11.70      inference('sup+', [status(thm)], [zip_derived_cl3393, zip_derived_cl76])).
% 77.54/11.70  thf(zip_derived_cl3357, plain,
% 77.54/11.70      (![X0 : $i, X1 : $i]: ((divide @ X1 @ (divide @ X0 @ X0)) = (X1))),
% 77.54/11.70      inference('demod', [status(thm)],
% 77.54/11.70                [zip_derived_cl3328, zip_derived_cl2501])).
% 77.54/11.70  thf(zip_derived_cl2455, plain,
% 77.54/11.70      (![X0 : $i, X1 : $i]:
% 77.54/11.70         ((inverse @ (divide @ X1 @ X0)) = (divide @ X0 @ X1))),
% 77.54/11.70      inference('sup+', [status(thm)], [zip_derived_cl2358, zip_derived_cl2108])).
% 77.54/11.70  thf(zip_derived_cl5034, plain,
% 77.54/11.70      (![X0 : $i, X1 : $i, X2 : $i]:
% 77.54/11.70         ((divide @ (divide @ X0 @ X2) @ (divide @ X1 @ X2))
% 77.54/11.70           = (divide @ X0 @ X1))),
% 77.54/11.70      inference('demod', [status(thm)],
% 77.54/11.70                [zip_derived_cl4940, zip_derived_cl3357, zip_derived_cl2455])).
% 77.54/11.70  thf(zip_derived_cl5127, plain,
% 77.54/11.70      (![X0 : $i, X1 : $i, X2 : $i]:
% 77.54/11.70         ((divide @ X0 @ (divide @ X1 @ X2))
% 77.54/11.70           = (divide @ (divide @ X0 @ (inverse @ X2)) @ X1))),
% 77.54/11.70      inference('sup+', [status(thm)], [zip_derived_cl2358, zip_derived_cl5034])).
% 77.54/11.70  thf(zip_derived_cl28256, plain,
% 77.54/11.70      (![X0 : $i]:
% 77.54/11.70         ((divide @ (divide @ a3 @ (inverse @ b3)) @ (inverse @ c3))
% 77.54/11.70           != (divide @ (divide @ a3 @ (inverse @ b3)) @ 
% 77.54/11.70               (divide @ (divide @ X0 @ X0) @ c3)))),
% 77.54/11.70      inference('demod', [status(thm)],
% 77.54/11.70                [zip_derived_cl3619, zip_derived_cl5127])).
% 77.54/11.70  thf(zip_derived_cl3400, plain,
% 77.54/11.70      (![X0 : $i, X1 : $i]:
% 77.54/11.70         ((inverse @ X0) = (divide @ (divide @ X1 @ X1) @ X0))),
% 77.54/11.70      inference('sup+', [status(thm)], [zip_derived_cl3357, zip_derived_cl2455])).
% 77.54/11.70  thf(zip_derived_cl28257, plain, ($false),
% 77.54/11.70      inference('simplify_reflect+', [status(thm)],
% 77.54/11.70                [zip_derived_cl28256, zip_derived_cl3400])).
% 77.54/11.70  
% 77.54/11.70  % SZS output end Refutation
% 77.54/11.70  
% 77.54/11.70  
% 77.54/11.70  % Terminating...
% 77.99/11.80  % Runner terminated.
% 77.99/11.81  % Zipperpin 1.5 exiting
%------------------------------------------------------------------------------