TSTP Solution File: GRP406-1 by Zipperpin---2.1.9999

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Zipperpin---2.1.9999
% Problem  : GRP406-1 : TPTP v8.1.2. Released v2.6.0.
% Transfm  : NO INFORMATION
% Format   : NO INFORMATION
% Command  : python3 /export/starexec/sandbox/solver/bin/portfolio.lams.parallel.py %s %d /export/starexec/sandbox/tmp/tmp.xC2b6N6dlf true

% Computer : n029.cluster.edu
% Model    : x86_64 x86_64
% CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 2.10GHz
% Memory   : 8042.1875MB
% OS       : Linux 3.10.0-693.el7.x86_64
% CPULimit : 300s
% WCLimit  : 300s
% DateTime : Thu Aug 31 01:51:31 EDT 2023

% Result   : Unsatisfiable 5.56s 1.41s
% Output   : Refutation 5.56s
% Verified : 
% SZS Type : -

% Comments : 
%------------------------------------------------------------------------------
%----WARNING: Could not form TPTP format derivation
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.03/0.12  % Problem  : GRP406-1 : TPTP v8.1.2. Released v2.6.0.
% 0.12/0.13  % Command  : python3 /export/starexec/sandbox/solver/bin/portfolio.lams.parallel.py %s %d /export/starexec/sandbox/tmp/tmp.xC2b6N6dlf true
% 0.12/0.34  % Computer : n029.cluster.edu
% 0.12/0.34  % Model    : x86_64 x86_64
% 0.12/0.34  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.12/0.34  % Memory   : 8042.1875MB
% 0.12/0.34  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.12/0.34  % CPULimit : 300
% 0.12/0.34  % WCLimit  : 300
% 0.12/0.34  % DateTime : Tue Aug 29 00:20:41 EDT 2023
% 0.12/0.34  % CPUTime  : 
% 0.12/0.34  % Running portfolio for 300 s
% 0.12/0.34  % File         : /export/starexec/sandbox/benchmark/theBenchmark.p
% 0.12/0.34  % Number of cores: 8
% 0.12/0.34  % Python version: Python 3.6.8
% 0.20/0.35  % Running in FO mode
% 0.53/0.65  % Total configuration time : 435
% 0.53/0.65  % Estimated wc time : 1092
% 0.53/0.65  % Estimated cpu time (7 cpus) : 156.0
% 0.53/0.69  % /export/starexec/sandbox/solver/bin/fo/fo6_bce.sh running for 75s
% 0.53/0.71  % /export/starexec/sandbox/solver/bin/fo/fo3_bce.sh running for 75s
% 0.54/0.72  % /export/starexec/sandbox/solver/bin/fo/fo1_av.sh running for 75s
% 0.54/0.74  % /export/starexec/sandbox/solver/bin/fo/fo7.sh running for 63s
% 0.54/0.74  % /export/starexec/sandbox/solver/bin/fo/fo13.sh running for 50s
% 0.54/0.74  % /export/starexec/sandbox/solver/bin/fo/fo5.sh running for 50s
% 0.54/0.74  % /export/starexec/sandbox/solver/bin/fo/fo4.sh running for 50s
% 5.56/1.41  % Solved by fo/fo4.sh.
% 5.56/1.41  % done 54 iterations in 0.646s
% 5.56/1.41  % SZS status Theorem for '/export/starexec/sandbox/benchmark/theBenchmark.p'
% 5.56/1.41  % SZS output start Refutation
% 5.56/1.41  thf(inverse_type, type, inverse: $i > $i).
% 5.56/1.41  thf(b1_type, type, b1: $i).
% 5.56/1.41  thf(multiply_type, type, multiply: $i > $i > $i).
% 5.56/1.41  thf(a1_type, type, a1: $i).
% 5.56/1.41  thf(single_axiom, axiom,
% 5.56/1.41    (( multiply @
% 5.56/1.41       A @ 
% 5.56/1.41       ( inverse @
% 5.56/1.41         ( multiply @
% 5.56/1.41           ( inverse @ ( multiply @ ( inverse @ ( multiply @ A @ B ) ) @ C ) ) @ 
% 5.56/1.41           ( multiply @ ( inverse @ B ) @ ( multiply @ ( inverse @ B ) @ B ) ) ) ) ) =
% 5.56/1.41     ( C ))).
% 5.56/1.41  thf(zip_derived_cl0, plain,
% 5.56/1.41      (![X0 : $i, X1 : $i, X2 : $i]:
% 5.56/1.41         ((multiply @ X1 @ 
% 5.56/1.41           (inverse @ 
% 5.56/1.41            (multiply @ 
% 5.56/1.41             (inverse @ (multiply @ (inverse @ (multiply @ X1 @ X2)) @ X0)) @ 
% 5.56/1.41             (multiply @ (inverse @ X2) @ (multiply @ (inverse @ X2) @ X2)))))
% 5.56/1.41           = (X0))),
% 5.56/1.41      inference('cnf', [status(esa)], [single_axiom])).
% 5.56/1.41  thf(zip_derived_cl0, plain,
% 5.56/1.41      (![X0 : $i, X1 : $i, X2 : $i]:
% 5.56/1.41         ((multiply @ X1 @ 
% 5.56/1.41           (inverse @ 
% 5.56/1.41            (multiply @ 
% 5.56/1.41             (inverse @ (multiply @ (inverse @ (multiply @ X1 @ X2)) @ X0)) @ 
% 5.56/1.41             (multiply @ (inverse @ X2) @ (multiply @ (inverse @ X2) @ X2)))))
% 5.56/1.41           = (X0))),
% 5.56/1.41      inference('cnf', [status(esa)], [single_axiom])).
% 5.56/1.41  thf(zip_derived_cl0, plain,
% 5.56/1.41      (![X0 : $i, X1 : $i, X2 : $i]:
% 5.56/1.41         ((multiply @ X1 @ 
% 5.56/1.41           (inverse @ 
% 5.56/1.41            (multiply @ 
% 5.56/1.41             (inverse @ (multiply @ (inverse @ (multiply @ X1 @ X2)) @ X0)) @ 
% 5.56/1.41             (multiply @ (inverse @ X2) @ (multiply @ (inverse @ X2) @ X2)))))
% 5.56/1.41           = (X0))),
% 5.56/1.41      inference('cnf', [status(esa)], [single_axiom])).
% 5.56/1.41  thf(zip_derived_cl3, plain,
% 5.56/1.41      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i]:
% 5.56/1.41         ((multiply @ X3 @ 
% 5.56/1.41           (inverse @ 
% 5.56/1.41            (multiply @ (inverse @ X0) @ 
% 5.56/1.41             (multiply @ (inverse @ X2) @ (multiply @ (inverse @ X2) @ X2)))))
% 5.56/1.41           = (inverse @ 
% 5.56/1.41              (multiply @ 
% 5.56/1.41               (inverse @ 
% 5.56/1.41                (multiply @ 
% 5.56/1.41                 (inverse @ (multiply @ (inverse @ (multiply @ X3 @ X2)) @ X1)) @ 
% 5.56/1.41                 X0)) @ 
% 5.56/1.41               (multiply @ (inverse @ X1) @ (multiply @ (inverse @ X1) @ X1)))))),
% 5.56/1.41      inference('sup+', [status(thm)], [zip_derived_cl0, zip_derived_cl0])).
% 5.56/1.41  thf(zip_derived_cl3, plain,
% 5.56/1.41      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i]:
% 5.56/1.41         ((multiply @ X3 @ 
% 5.56/1.41           (inverse @ 
% 5.56/1.41            (multiply @ (inverse @ X0) @ 
% 5.56/1.41             (multiply @ (inverse @ X2) @ (multiply @ (inverse @ X2) @ X2)))))
% 5.56/1.41           = (inverse @ 
% 5.56/1.41              (multiply @ 
% 5.56/1.41               (inverse @ 
% 5.56/1.41                (multiply @ 
% 5.56/1.41                 (inverse @ (multiply @ (inverse @ (multiply @ X3 @ X2)) @ X1)) @ 
% 5.56/1.41                 X0)) @ 
% 5.56/1.41               (multiply @ (inverse @ X1) @ (multiply @ (inverse @ X1) @ X1)))))),
% 5.56/1.41      inference('sup+', [status(thm)], [zip_derived_cl0, zip_derived_cl0])).
% 5.56/1.41  thf(zip_derived_cl0, plain,
% 5.56/1.41      (![X0 : $i, X1 : $i, X2 : $i]:
% 5.56/1.41         ((multiply @ X1 @ 
% 5.56/1.41           (inverse @ 
% 5.56/1.41            (multiply @ 
% 5.56/1.41             (inverse @ (multiply @ (inverse @ (multiply @ X1 @ X2)) @ X0)) @ 
% 5.56/1.41             (multiply @ (inverse @ X2) @ (multiply @ (inverse @ X2) @ X2)))))
% 5.56/1.41           = (X0))),
% 5.56/1.41      inference('cnf', [status(esa)], [single_axiom])).
% 5.56/1.41  thf(zip_derived_cl18, plain,
% 5.56/1.41      (![X0 : $i, X1 : $i, X2 : $i]:
% 5.56/1.41         ((multiply @ (inverse @ (multiply @ X2 @ X0)) @ 
% 5.56/1.41           (multiply @ X2 @ 
% 5.56/1.41            (inverse @ 
% 5.56/1.41             (multiply @ (inverse @ X1) @ 
% 5.56/1.41              (multiply @ (inverse @ X0) @ (multiply @ (inverse @ X0) @ X0))))))
% 5.56/1.41           = (X1))),
% 5.56/1.41      inference('sup+', [status(thm)], [zip_derived_cl3, zip_derived_cl0])).
% 5.56/1.41  thf(zip_derived_cl56, plain,
% 5.56/1.41      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i]:
% 5.56/1.41         ((multiply @ (inverse @ (multiply @ X4 @ X3)) @ 
% 5.56/1.41           (multiply @ X4 @ 
% 5.56/1.41            (multiply @ X2 @ 
% 5.56/1.41             (inverse @ 
% 5.56/1.41              (multiply @ (inverse @ X1) @ 
% 5.56/1.41               (multiply @ (inverse @ X0) @ (multiply @ (inverse @ X0) @ X0)))))))
% 5.56/1.41           = (multiply @ 
% 5.56/1.41              (inverse @ (multiply @ (inverse @ (multiply @ X2 @ X0)) @ X3)) @ 
% 5.56/1.41              X1))),
% 5.56/1.41      inference('sup+', [status(thm)], [zip_derived_cl3, zip_derived_cl18])).
% 5.56/1.41  thf(zip_derived_cl81, plain,
% 5.56/1.41      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i]:
% 5.56/1.41         ((multiply @ (inverse @ (multiply @ X4 @ X3)) @ (multiply @ X4 @ X0))
% 5.56/1.41           = (multiply @ 
% 5.56/1.41              (inverse @ (multiply @ (inverse @ (multiply @ X2 @ X1)) @ X3)) @ 
% 5.56/1.41              (multiply @ (inverse @ (multiply @ X2 @ X1)) @ X0)))),
% 5.56/1.41      inference('sup+', [status(thm)], [zip_derived_cl0, zip_derived_cl56])).
% 5.56/1.41  thf(zip_derived_cl3, plain,
% 5.56/1.41      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i]:
% 5.56/1.41         ((multiply @ X3 @ 
% 5.56/1.41           (inverse @ 
% 5.56/1.41            (multiply @ (inverse @ X0) @ 
% 5.56/1.41             (multiply @ (inverse @ X2) @ (multiply @ (inverse @ X2) @ X2)))))
% 5.56/1.41           = (inverse @ 
% 5.56/1.41              (multiply @ 
% 5.56/1.41               (inverse @ 
% 5.56/1.41                (multiply @ 
% 5.56/1.41                 (inverse @ (multiply @ (inverse @ (multiply @ X3 @ X2)) @ X1)) @ 
% 5.56/1.41                 X0)) @ 
% 5.56/1.41               (multiply @ (inverse @ X1) @ (multiply @ (inverse @ X1) @ X1)))))),
% 5.56/1.41      inference('sup+', [status(thm)], [zip_derived_cl0, zip_derived_cl0])).
% 5.56/1.41  thf(zip_derived_cl121, plain,
% 5.56/1.41      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i]:
% 5.56/1.41         ((multiply @ X4 @ 
% 5.56/1.41           (inverse @ 
% 5.56/1.41            (multiply @ 
% 5.56/1.41             (inverse @ (multiply @ (inverse @ (multiply @ X4 @ X3)) @ X0)) @ 
% 5.56/1.41             (multiply @ (inverse @ X3) @ (multiply @ (inverse @ X3) @ X3)))))
% 5.56/1.41           = (inverse @ 
% 5.56/1.41              (multiply @ 
% 5.56/1.41               (inverse @ 
% 5.56/1.41                (multiply @ (inverse @ (multiply @ X1 @ X2)) @ 
% 5.56/1.41                 (multiply @ X1 @ X0))) @ 
% 5.56/1.41               (multiply @ (inverse @ X2) @ (multiply @ (inverse @ X2) @ X2)))))),
% 5.56/1.41      inference('sup+', [status(thm)], [zip_derived_cl81, zip_derived_cl3])).
% 5.56/1.41  thf(zip_derived_cl0, plain,
% 5.56/1.41      (![X0 : $i, X1 : $i, X2 : $i]:
% 5.56/1.41         ((multiply @ X1 @ 
% 5.56/1.41           (inverse @ 
% 5.56/1.41            (multiply @ 
% 5.56/1.41             (inverse @ (multiply @ (inverse @ (multiply @ X1 @ X2)) @ X0)) @ 
% 5.56/1.41             (multiply @ (inverse @ X2) @ (multiply @ (inverse @ X2) @ X2)))))
% 5.56/1.41           = (X0))),
% 5.56/1.41      inference('cnf', [status(esa)], [single_axiom])).
% 5.56/1.41  thf(zip_derived_cl214, plain,
% 5.56/1.41      (![X0 : $i, X1 : $i, X2 : $i]:
% 5.56/1.41         ((X0)
% 5.56/1.41           = (inverse @ 
% 5.56/1.41              (multiply @ 
% 5.56/1.41               (inverse @ 
% 5.56/1.41                (multiply @ (inverse @ (multiply @ X1 @ X2)) @ 
% 5.56/1.41                 (multiply @ X1 @ X0))) @ 
% 5.56/1.41               (multiply @ (inverse @ X2) @ (multiply @ (inverse @ X2) @ X2)))))),
% 5.56/1.41      inference('demod', [status(thm)], [zip_derived_cl121, zip_derived_cl0])).
% 5.56/1.41  thf(zip_derived_cl0, plain,
% 5.56/1.41      (![X0 : $i, X1 : $i, X2 : $i]:
% 5.56/1.41         ((multiply @ X1 @ 
% 5.56/1.41           (inverse @ 
% 5.56/1.41            (multiply @ 
% 5.56/1.41             (inverse @ (multiply @ (inverse @ (multiply @ X1 @ X2)) @ X0)) @ 
% 5.56/1.41             (multiply @ (inverse @ X2) @ (multiply @ (inverse @ X2) @ X2)))))
% 5.56/1.41           = (X0))),
% 5.56/1.41      inference('cnf', [status(esa)], [single_axiom])).
% 5.56/1.41  thf(zip_derived_cl473, plain,
% 5.56/1.41      (![X0 : $i, X1 : $i, X2 : $i]:
% 5.56/1.41         ((multiply @ (inverse @ (multiply @ X2 @ X1)) @ 
% 5.56/1.41           (inverse @ 
% 5.56/1.41            (multiply @ X0 @ 
% 5.56/1.41             (multiply @ (inverse @ (multiply @ X2 @ X0)) @ 
% 5.56/1.41              (multiply @ (inverse @ (multiply @ X2 @ X0)) @ 
% 5.56/1.41               (multiply @ X2 @ X0))))))
% 5.56/1.41           = (multiply @ (inverse @ X1) @ (multiply @ (inverse @ X1) @ X1)))),
% 5.56/1.41      inference('sup+', [status(thm)], [zip_derived_cl214, zip_derived_cl0])).
% 5.56/1.41  thf(zip_derived_cl18, plain,
% 5.56/1.41      (![X0 : $i, X1 : $i, X2 : $i]:
% 5.56/1.41         ((multiply @ (inverse @ (multiply @ X2 @ X0)) @ 
% 5.56/1.41           (multiply @ X2 @ 
% 5.56/1.41            (inverse @ 
% 5.56/1.41             (multiply @ (inverse @ X1) @ 
% 5.56/1.41              (multiply @ (inverse @ X0) @ (multiply @ (inverse @ X0) @ X0))))))
% 5.56/1.41           = (X1))),
% 5.56/1.41      inference('sup+', [status(thm)], [zip_derived_cl3, zip_derived_cl0])).
% 5.56/1.41  thf(zip_derived_cl878, plain,
% 5.56/1.41      (![X0 : $i, X1 : $i, X2 : $i]:
% 5.56/1.41         ((multiply @ 
% 5.56/1.41           (inverse @ 
% 5.56/1.41            (multiply @ (inverse @ (multiply @ X2 @ X0)) @ 
% 5.56/1.41             (multiply @ X2 @ (inverse @ X1)))) @ 
% 5.56/1.41           (multiply @ (inverse @ X0) @ (multiply @ (inverse @ X0) @ X0)))
% 5.56/1.41           = (X1))),
% 5.56/1.41      inference('sup+', [status(thm)], [zip_derived_cl473, zip_derived_cl18])).
% 5.56/1.41  thf(zip_derived_cl214, plain,
% 5.56/1.41      (![X0 : $i, X1 : $i, X2 : $i]:
% 5.56/1.41         ((X0)
% 5.56/1.41           = (inverse @ 
% 5.56/1.41              (multiply @ 
% 5.56/1.41               (inverse @ 
% 5.56/1.41                (multiply @ (inverse @ (multiply @ X1 @ X2)) @ 
% 5.56/1.41                 (multiply @ X1 @ X0))) @ 
% 5.56/1.41               (multiply @ (inverse @ X2) @ (multiply @ (inverse @ X2) @ X2)))))),
% 5.56/1.41      inference('demod', [status(thm)], [zip_derived_cl121, zip_derived_cl0])).
% 5.56/1.41  thf(zip_derived_cl81, plain,
% 5.56/1.41      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i]:
% 5.56/1.41         ((multiply @ (inverse @ (multiply @ X4 @ X3)) @ (multiply @ X4 @ X0))
% 5.56/1.41           = (multiply @ 
% 5.56/1.41              (inverse @ (multiply @ (inverse @ (multiply @ X2 @ X1)) @ X3)) @ 
% 5.56/1.41              (multiply @ (inverse @ (multiply @ X2 @ X1)) @ X0)))),
% 5.56/1.41      inference('sup+', [status(thm)], [zip_derived_cl0, zip_derived_cl56])).
% 5.56/1.41  thf(zip_derived_cl81, plain,
% 5.56/1.41      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i]:
% 5.56/1.41         ((multiply @ (inverse @ (multiply @ X4 @ X3)) @ (multiply @ X4 @ X0))
% 5.56/1.41           = (multiply @ 
% 5.56/1.41              (inverse @ (multiply @ (inverse @ (multiply @ X2 @ X1)) @ X3)) @ 
% 5.56/1.41              (multiply @ (inverse @ (multiply @ X2 @ X1)) @ X0)))),
% 5.56/1.41      inference('sup+', [status(thm)], [zip_derived_cl0, zip_derived_cl56])).
% 5.56/1.41  thf(zip_derived_cl129, plain,
% 5.56/1.41      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i]:
% 5.56/1.41         ((multiply @ (inverse @ (multiply @ X3 @ X2)) @ (multiply @ X3 @ X0))
% 5.56/1.41           = (multiply @ (inverse @ (multiply @ X1 @ X2)) @ 
% 5.56/1.41              (multiply @ X1 @ X0)))),
% 5.56/1.41      inference('sup+', [status(thm)], [zip_derived_cl81, zip_derived_cl81])).
% 5.56/1.41  thf(zip_derived_cl464, plain,
% 5.56/1.41      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i]:
% 5.56/1.41         ((multiply @ 
% 5.56/1.41           (inverse @ 
% 5.56/1.41            (multiply @ X4 @ 
% 5.56/1.41             (multiply @ (inverse @ X3) @ (multiply @ (inverse @ X3) @ X3)))) @ 
% 5.56/1.41           (multiply @ X4 @ X1))
% 5.56/1.41           = (multiply @ X0 @ 
% 5.56/1.41              (multiply @ 
% 5.56/1.41               (inverse @ 
% 5.56/1.41                (multiply @ (inverse @ (multiply @ X2 @ X3)) @ 
% 5.56/1.41                 (multiply @ X2 @ X0))) @ 
% 5.56/1.41               X1)))),
% 5.56/1.41      inference('sup+', [status(thm)], [zip_derived_cl214, zip_derived_cl129])).
% 5.56/1.41  thf(zip_derived_cl1029, plain,
% 5.56/1.41      (![X0 : $i, X1 : $i, X3 : $i]:
% 5.56/1.41         ((multiply @ 
% 5.56/1.41           (inverse @ 
% 5.56/1.41            (multiply @ X3 @ 
% 5.56/1.41             (multiply @ (inverse @ X1) @ (multiply @ (inverse @ X1) @ X1)))) @ 
% 5.56/1.41           (multiply @ X3 @ 
% 5.56/1.41            (multiply @ (inverse @ X1) @ (multiply @ (inverse @ X1) @ X1))))
% 5.56/1.41           = (multiply @ (inverse @ X0) @ X0))),
% 5.56/1.41      inference('sup+', [status(thm)], [zip_derived_cl878, zip_derived_cl464])).
% 5.56/1.41  thf(zip_derived_cl1029, plain,
% 5.56/1.41      (![X0 : $i, X1 : $i, X3 : $i]:
% 5.56/1.41         ((multiply @ 
% 5.56/1.41           (inverse @ 
% 5.56/1.41            (multiply @ X3 @ 
% 5.56/1.41             (multiply @ (inverse @ X1) @ (multiply @ (inverse @ X1) @ X1)))) @ 
% 5.56/1.41           (multiply @ X3 @ 
% 5.56/1.41            (multiply @ (inverse @ X1) @ (multiply @ (inverse @ X1) @ X1))))
% 5.56/1.41           = (multiply @ (inverse @ X0) @ X0))),
% 5.56/1.41      inference('sup+', [status(thm)], [zip_derived_cl878, zip_derived_cl464])).
% 5.56/1.41  thf(zip_derived_cl1223, plain,
% 5.56/1.41      (![X0 : $i, X1 : $i]:
% 5.56/1.41         ((multiply @ (inverse @ X0) @ X0) = (multiply @ (inverse @ X1) @ X1))),
% 5.56/1.41      inference('sup+', [status(thm)], [zip_derived_cl1029, zip_derived_cl1029])).
% 5.56/1.41  thf(prove_these_axioms_1, conjecture,
% 5.56/1.41    (( multiply @ ( inverse @ a1 ) @ a1 ) =
% 5.56/1.41     ( multiply @ ( inverse @ b1 ) @ b1 ))).
% 5.56/1.41  thf(zf_stmt_0, negated_conjecture,
% 5.56/1.41    (( multiply @ ( inverse @ a1 ) @ a1 ) !=
% 5.56/1.41     ( multiply @ ( inverse @ b1 ) @ b1 )),
% 5.56/1.41    inference('cnf.neg', [status(esa)], [prove_these_axioms_1])).
% 5.56/1.41  thf(zip_derived_cl1, plain,
% 5.56/1.41      (((multiply @ (inverse @ a1) @ a1) != (multiply @ (inverse @ b1) @ b1))),
% 5.56/1.41      inference('cnf', [status(esa)], [zf_stmt_0])).
% 5.56/1.41  thf(zip_derived_cl1438, plain,
% 5.56/1.41      (![X0 : $i]:
% 5.56/1.41         ((multiply @ (inverse @ X0) @ X0) != (multiply @ (inverse @ b1) @ b1))),
% 5.56/1.41      inference('sup-', [status(thm)], [zip_derived_cl1223, zip_derived_cl1])).
% 5.56/1.41  thf(zip_derived_cl1223, plain,
% 5.56/1.41      (![X0 : $i, X1 : $i]:
% 5.56/1.41         ((multiply @ (inverse @ X0) @ X0) = (multiply @ (inverse @ X1) @ X1))),
% 5.56/1.41      inference('sup+', [status(thm)], [zip_derived_cl1029, zip_derived_cl1029])).
% 5.56/1.41  thf(zip_derived_cl1524, plain, ($false),
% 5.56/1.41      inference('simplify_reflect+', [status(thm)],
% 5.56/1.41                [zip_derived_cl1438, zip_derived_cl1223])).
% 5.56/1.41  
% 5.56/1.41  % SZS output end Refutation
% 5.56/1.41  
% 5.56/1.41  
% 5.56/1.41  % Terminating...
% 5.56/1.46  % Runner terminated.
% 5.56/1.47  % Zipperpin 1.5 exiting
%------------------------------------------------------------------------------