%------------------------------------------------------------------------------
% File : Zipperpin---2.1.9999
% Problem : GRP669-1 : TPTP v9.2.0. Released v4.0.0.
% Transfm : none
% Format : tptp:raw
% Command : python3 /export/starexec/sandbox/solver/bin/portfolio.lams.parallel.py %s %d /export/starexec/sandbox/tmp/tmp.iJiSMClRCQ true
% Computer : n025.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 04:37:02 PM UTC 2025
% Result : Unsatisfiable 14.07s 2.62s
% Output : Refutation 14.07s
% Verified :
% SZS Type : -
% Comments :
%------------------------------------------------------------------------------
%----WARNING: Could not form TPTP format derivation
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.07/0.12 % Problem : GRP669-1 : TPTP v9.2.0. Released v4.0.0.
% 0.07/0.14 % Command : python3 /export/starexec/sandbox/solver/bin/portfolio.lams.parallel.py %s %d /export/starexec/sandbox/tmp/tmp.iJiSMClRCQ true
% 0.14/0.35 % Computer : n025.cluster.edu
% 0.14/0.35 % Model : x86_64 x86_64
% 0.14/0.35 % CPU : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.14/0.35 % Memory : 8042.1875MB
% 0.14/0.35 % OS : Linux 3.10.0-693.el7.x86_64
% 0.14/0.35 % CPULimit : 300
% 0.14/0.35 % WCLimit : 300
% 0.14/0.35 % DateTime : Wed Oct 1 14:24:38 EDT 2025
% 0.14/0.35 % CPUTime :
% 0.14/0.35 % Running portfolio for 300 s
% 0.14/0.35 % File : /export/starexec/sandbox/benchmark/theBenchmark.p
% 0.14/0.35 % Number of cores: 8
% 0.14/0.36 % Python version: Python 3.6.8
% 0.14/0.36 % Running in FO mode
% 0.56/0.65 % Total configuration time : 435
% 0.56/0.65 % Estimated wc time : 1092
% 0.56/0.65 % Estimated cpu time (7 cpus) : 156.0
% 0.56/0.73 % /export/starexec/sandbox/solver/bin/fo/fo6_bce.sh running for 75s
% 0.56/0.73 % /export/starexec/sandbox/solver/bin/fo/fo3_bce.sh running for 75s
% 0.57/0.76 % /export/starexec/sandbox/solver/bin/fo/fo1_av.sh running for 75s
% 0.57/0.76 % /export/starexec/sandbox/solver/bin/fo/fo7.sh running for 63s
% 0.57/0.77 % /export/starexec/sandbox/solver/bin/fo/fo13.sh running for 50s
% 0.57/0.78 % /export/starexec/sandbox/solver/bin/fo/fo4.sh running for 50s
% 0.57/0.78 % /export/starexec/sandbox/solver/bin/fo/fo5.sh running for 50s
% 14.07/2.62 % Solved by fo/fo6_bce.sh.
% 14.07/2.62 % BCE start: 11
% 14.07/2.62 % BCE eliminated: 0
% 14.07/2.62 % PE start: 11
% 14.07/2.62 logic: eq
% 14.07/2.62 % PE eliminated: 0
% 14.07/2.62 % done 180 iterations in 1.865s
% 14.07/2.62 % SZS status Theorem for '/export/starexec/sandbox/benchmark/theBenchmark.p'
% 14.07/2.62 % SZS output start Refutation
% 14.07/2.62 thf(b_type, type, b: $i).
% 14.07/2.62 thf(ld_type, type, ld: $i > $i > $i).
% 14.07/2.62 thf(rd_type, type, rd: $i > $i > $i).
% 14.07/2.62 thf(mult_type, type, mult: $i > $i > $i).
% 14.07/2.62 thf(c_type, type, c: $i).
% 14.07/2.62 thf(a_type, type, a: $i).
% 14.07/2.62 thf(unit_type, type, unit: $i).
% 14.07/2.62 thf(goals, conjecture,
% 14.07/2.62 (( mult @ ( mult @ a @ b ) @ ( mult @ c @ ( mult @ a @ b ) ) ) =
% 14.07/2.62 ( mult @ ( mult @ ( mult @ a @ ( mult @ b @ c ) ) @ a ) @ b ))).
% 14.07/2.62 thf(zf_stmt_0, negated_conjecture,
% 14.07/2.62 (( mult @ ( mult @ a @ b ) @ ( mult @ c @ ( mult @ a @ b ) ) ) !=
% 14.07/2.62 ( mult @ ( mult @ ( mult @ a @ ( mult @ b @ c ) ) @ a ) @ b )),
% 14.07/2.62 inference('cnf.neg', [status(esa)], [goals])).
% 14.07/2.62 thf(zip_derived_cl10, plain,
% 14.07/2.62 (((mult @ (mult @ a @ b) @ (mult @ c @ (mult @ a @ b)))
% 14.07/2.62 != (mult @ (mult @ (mult @ a @ (mult @ b @ c)) @ a) @ b))),
% 14.07/2.62 inference('cnf', [status(esa)], [zf_stmt_0])).
% 14.07/2.62 thf(c07, axiom,
% 14.07/2.62 (( mult @ A @ ( mult @ B @ ( mult @ A @ C ) ) ) =
% 14.07/2.62 ( mult @ ( mult @ ( mult @ A @ B ) @ A ) @ C ))).
% 14.07/2.62 thf(zip_derived_cl6, plain,
% 14.07/2.62 (![X0 : $i, X1 : $i, X2 : $i]:
% 14.07/2.62 ((mult @ X0 @ (mult @ X1 @ (mult @ X0 @ X2)))
% 14.07/2.62 = (mult @ (mult @ (mult @ X0 @ X1) @ X0) @ X2))),
% 14.07/2.62 inference('cnf', [status(esa)], [c07])).
% 14.07/2.62 thf(zip_derived_cl27, plain,
% 14.07/2.62 (((mult @ (mult @ a @ b) @ (mult @ c @ (mult @ a @ b)))
% 14.07/2.62 != (mult @ a @ (mult @ (mult @ b @ c) @ (mult @ a @ b))))),
% 14.07/2.62 inference('demod', [status(thm)], [zip_derived_cl10, zip_derived_cl6])).
% 14.07/2.62 thf(c10, axiom,
% 14.07/2.62 (( mult @ ( mult @ A @ B ) @ ( mult @ C @ A ) ) =
% 14.07/2.62 ( mult @ A @ ( mult @ ( mult @ B @ C ) @ A ) ))).
% 14.07/2.62 thf(zip_derived_cl9, plain,
% 14.07/2.62 (![X0 : $i, X1 : $i, X2 : $i]:
% 14.07/2.62 ((mult @ (mult @ X0 @ X1) @ (mult @ X2 @ X0))
% 14.07/2.62 = (mult @ X0 @ (mult @ (mult @ X1 @ X2) @ X0)))),
% 14.07/2.62 inference('cnf', [status(esa)], [c10])).
% 14.07/2.62 thf(zip_derived_cl129, plain,
% 14.07/2.62 (((mult @ (mult @ a @ b) @ (mult @ c @ (mult @ a @ b)))
% 14.07/2.62 != (mult @ a @ (mult @ b @ (mult @ (mult @ c @ a) @ b))))),
% 14.07/2.62 inference('demod', [status(thm)], [zip_derived_cl27, zip_derived_cl9])).
% 14.07/2.62 thf(c05, axiom, (( mult @ A @ unit ) = ( A ))).
% 14.07/2.62 thf(zip_derived_cl4, plain, (![X0 : $i]: ((mult @ X0 @ unit) = (X0))),
% 14.07/2.62 inference('cnf', [status(esa)], [c05])).
% 14.07/2.62 thf(c03, axiom, (( mult @ ( rd @ A @ B ) @ B ) = ( A ))).
% 14.07/2.62 thf(zip_derived_cl2, plain,
% 14.07/2.62 (![X0 : $i, X1 : $i]: ((mult @ (rd @ X0 @ X1) @ X1) = (X0))),
% 14.07/2.62 inference('cnf', [status(esa)], [c03])).
% 14.07/2.62 thf(zip_derived_cl6, plain,
% 14.07/2.62 (![X0 : $i, X1 : $i, X2 : $i]:
% 14.07/2.62 ((mult @ X0 @ (mult @ X1 @ (mult @ X0 @ X2)))
% 14.07/2.62 = (mult @ (mult @ (mult @ X0 @ X1) @ X0) @ X2))),
% 14.07/2.62 inference('cnf', [status(esa)], [c07])).
% 14.07/2.62 thf(zip_derived_cl4, plain, (![X0 : $i]: ((mult @ X0 @ unit) = (X0))),
% 14.07/2.62 inference('cnf', [status(esa)], [c05])).
% 14.07/2.62 thf(zip_derived_cl32, plain,
% 14.07/2.62 (![X0 : $i, X1 : $i]:
% 14.07/2.62 ((mult @ X0 @ (mult @ X1 @ (mult @ X0 @ unit)))
% 14.07/2.62 = (mult @ (mult @ X0 @ X1) @ X0))),
% 14.07/2.62 inference('s_sup+', [status(thm)], [zip_derived_cl6, zip_derived_cl4])).
% 14.07/2.62 thf(zip_derived_cl4, plain, (![X0 : $i]: ((mult @ X0 @ unit) = (X0))),
% 14.07/2.62 inference('cnf', [status(esa)], [c05])).
% 14.07/2.62 thf(zip_derived_cl46, plain,
% 14.07/2.62 (![X0 : $i, X1 : $i]:
% 14.07/2.62 ((mult @ X0 @ (mult @ X1 @ X0)) = (mult @ (mult @ X0 @ X1) @ X0))),
% 14.07/2.62 inference('demod', [status(thm)], [zip_derived_cl32, zip_derived_cl4])).
% 14.07/2.62 thf(c04, axiom, (( rd @ ( mult @ A @ B ) @ B ) = ( A ))).
% 14.07/2.62 thf(zip_derived_cl3, plain,
% 14.07/2.62 (![X0 : $i, X1 : $i]: ((rd @ (mult @ X0 @ X1) @ X1) = (X0))),
% 14.07/2.62 inference('cnf', [status(esa)], [c04])).
% 14.07/2.62 thf(zip_derived_cl198, plain,
% 14.07/2.62 (![X0 : $i, X1 : $i]:
% 14.07/2.62 ((rd @ (mult @ X0 @ (mult @ X1 @ X0)) @ X0) = (mult @ X0 @ X1))),
% 14.07/2.62 inference('s_sup+', [status(thm)], [zip_derived_cl46, zip_derived_cl3])).
% 14.07/2.62 thf(zip_derived_cl868, plain,
% 14.07/2.62 (![X0 : $i, X1 : $i]:
% 14.07/2.62 ((rd @ (mult @ X1 @ X0) @ X1) = (mult @ X1 @ (rd @ X0 @ X1)))),
% 14.07/2.62 inference('s_sup+', [status(thm)], [zip_derived_cl2, zip_derived_cl198])).
% 14.07/2.62 thf(zip_derived_cl1117, plain,
% 14.07/2.62 (![X0 : $i]: ((rd @ X0 @ X0) = (mult @ X0 @ (rd @ unit @ X0)))),
% 14.07/2.62 inference('s_sup+', [status(thm)], [zip_derived_cl4, zip_derived_cl868])).
% 14.07/2.62 thf(c06, axiom, (( mult @ unit @ A ) = ( A ))).
% 14.07/2.62 thf(zip_derived_cl5, plain, (![X0 : $i]: ((mult @ unit @ X0) = (X0))),
% 14.07/2.62 inference('cnf', [status(esa)], [c06])).
% 14.07/2.62 thf(zip_derived_cl3, plain,
% 14.07/2.62 (![X0 : $i, X1 : $i]: ((rd @ (mult @ X0 @ X1) @ X1) = (X0))),
% 14.07/2.62 inference('cnf', [status(esa)], [c04])).
% 14.07/2.62 thf(zip_derived_cl24, plain, (![X0 : $i]: ((rd @ X0 @ X0) = (unit))),
% 14.07/2.62 inference('s_sup+', [status(thm)], [zip_derived_cl5, zip_derived_cl3])).
% 14.07/2.62 thf(zip_derived_cl1133, plain,
% 14.07/2.62 (![X0 : $i]: ((unit) = (mult @ X0 @ (rd @ unit @ X0)))),
% 14.07/2.62 inference('demod', [status(thm)], [zip_derived_cl1117, zip_derived_cl24])).
% 14.07/2.62 thf(c02, axiom, (( ld @ A @ ( mult @ A @ B ) ) = ( B ))).
% 14.07/2.62 thf(zip_derived_cl1, plain,
% 14.07/2.62 (![X0 : $i, X1 : $i]: ((ld @ X1 @ (mult @ X1 @ X0)) = (X0))),
% 14.07/2.62 inference('cnf', [status(esa)], [c02])).
% 14.07/2.62 thf(zip_derived_cl1142, plain,
% 14.07/2.62 (![X0 : $i]: ((ld @ X0 @ unit) = (rd @ unit @ X0))),
% 14.07/2.62 inference('s_sup+', [status(thm)], [zip_derived_cl1133, zip_derived_cl1])).
% 14.07/2.62 thf(zip_derived_cl2, plain,
% 14.07/2.62 (![X0 : $i, X1 : $i]: ((mult @ (rd @ X0 @ X1) @ X1) = (X0))),
% 14.07/2.62 inference('cnf', [status(esa)], [c03])).
% 14.07/2.62 thf(zip_derived_cl1280, plain,
% 14.07/2.62 (![X0 : $i]: ((mult @ (ld @ X0 @ unit) @ X0) = (unit))),
% 14.07/2.62 inference('s_sup+', [status(thm)], [zip_derived_cl1142, zip_derived_cl2])).
% 14.07/2.62 thf(c08, axiom,
% 14.07/2.62 (( mult @ A @ ( mult @ B @ ( mult @ C @ B ) ) ) =
% 14.07/2.62 ( mult @ ( mult @ ( mult @ A @ B ) @ C ) @ B ))).
% 14.07/2.62 thf(zip_derived_cl7, plain,
% 14.07/2.62 (![X0 : $i, X1 : $i, X2 : $i]:
% 14.07/2.62 ((mult @ X0 @ (mult @ X1 @ (mult @ X2 @ X1)))
% 14.07/2.62 = (mult @ (mult @ (mult @ X0 @ X1) @ X2) @ X1))),
% 14.07/2.62 inference('cnf', [status(esa)], [c08])).
% 14.07/2.62 thf(zip_derived_cl3, plain,
% 14.07/2.62 (![X0 : $i, X1 : $i]: ((rd @ (mult @ X0 @ X1) @ X1) = (X0))),
% 14.07/2.62 inference('cnf', [status(esa)], [c04])).
% 14.07/2.62 thf(zip_derived_cl49, plain,
% 14.07/2.62 (![X0 : $i, X1 : $i, X2 : $i]:
% 14.07/2.62 ((rd @ (mult @ X2 @ (mult @ X0 @ (mult @ X1 @ X0))) @ X0)
% 14.07/2.62 = (mult @ (mult @ X2 @ X0) @ X1))),
% 14.07/2.62 inference('s_sup+', [status(thm)], [zip_derived_cl7, zip_derived_cl3])).
% 14.07/2.62 thf(zip_derived_cl1287, plain,
% 14.07/2.62 (![X0 : $i, X1 : $i]:
% 14.07/2.62 ((rd @ (mult @ X1 @ (mult @ X0 @ unit)) @ X0)
% 14.07/2.62 = (mult @ (mult @ X1 @ X0) @ (ld @ X0 @ unit)))),
% 14.07/2.62 inference('s_sup+', [status(thm)], [zip_derived_cl1280, zip_derived_cl49])).
% 14.07/2.62 thf(zip_derived_cl4, plain, (![X0 : $i]: ((mult @ X0 @ unit) = (X0))),
% 14.07/2.62 inference('cnf', [status(esa)], [c05])).
% 14.07/2.62 thf(zip_derived_cl3, plain,
% 14.07/2.62 (![X0 : $i, X1 : $i]: ((rd @ (mult @ X0 @ X1) @ X1) = (X0))),
% 14.07/2.62 inference('cnf', [status(esa)], [c04])).
% 14.07/2.62 thf(zip_derived_cl1320, plain,
% 14.07/2.62 (![X0 : $i, X1 : $i]:
% 14.07/2.62 ((X1) = (mult @ (mult @ X1 @ X0) @ (ld @ X0 @ unit)))),
% 14.07/2.62 inference('demod', [status(thm)],
% 14.07/2.62 [zip_derived_cl1287, zip_derived_cl4, zip_derived_cl3])).
% 14.07/2.62 thf(zip_derived_cl9, plain,
% 14.07/2.62 (![X0 : $i, X1 : $i, X2 : $i]:
% 14.07/2.62 ((mult @ (mult @ X0 @ X1) @ (mult @ X2 @ X0))
% 14.07/2.62 = (mult @ X0 @ (mult @ (mult @ X1 @ X2) @ X0)))),
% 14.07/2.62 inference('cnf', [status(esa)], [c10])).
% 14.07/2.62 thf(zip_derived_cl9, plain,
% 14.07/2.62 (![X0 : $i, X1 : $i, X2 : $i]:
% 14.07/2.62 ((mult @ (mult @ X0 @ X1) @ (mult @ X2 @ X0))
% 14.07/2.62 = (mult @ X0 @ (mult @ (mult @ X1 @ X2) @ X0)))),
% 14.07/2.62 inference('cnf', [status(esa)], [c10])).
% 14.07/2.62 thf(zip_derived_cl135, plain,
% 14.07/2.62 (![X0 : $i, X1 : $i, X2 : $i, X3 : $i]:
% 14.07/2.62 ((mult @ (mult @ (mult @ X1 @ X0) @ X3) @
% 14.07/2.62 (mult @ X0 @ (mult @ (mult @ X2 @ X1) @ X0)))
% 14.07/2.62 = (mult @ (mult @ X1 @ X0) @
% 14.07/2.62 (mult @ (mult @ X3 @ (mult @ X0 @ X2)) @ (mult @ X1 @ X0))))),
% 14.07/2.62 inference('s_sup+', [status(thm)], [zip_derived_cl9, zip_derived_cl9])).
% 14.07/2.62 thf(zip_derived_cl8126, plain,
% 14.07/2.62 (![X0 : $i, X1 : $i, X2 : $i]:
% 14.07/2.62 ((mult @ X0 @ (mult @ X1 @ (mult @ (mult @ X2 @ X0) @ X1)))
% 14.07/2.62 = (mult @ (mult @ X0 @ X1) @
% 14.07/2.62 (mult @ (mult @ (ld @ X1 @ unit) @ (mult @ X1 @ X2)) @
% 14.07/2.62 (mult @ X0 @ X1))))),
% 14.07/2.62 inference('s_sup+', [status(thm)],
% 14.07/2.62 [zip_derived_cl1320, zip_derived_cl135])).
% 14.07/2.62 thf(zip_derived_cl1142, plain,
% 14.07/2.62 (![X0 : $i]: ((ld @ X0 @ unit) = (rd @ unit @ X0))),
% 14.07/2.62 inference('s_sup+', [status(thm)], [zip_derived_cl1133, zip_derived_cl1])).
% 14.07/2.62 thf(zip_derived_cl2, plain,
% 14.07/2.62 (![X0 : $i, X1 : $i]: ((mult @ (rd @ X0 @ X1) @ X1) = (X0))),
% 14.07/2.62 inference('cnf', [status(esa)], [c03])).
% 14.07/2.62 thf(zip_derived_cl1, plain,
% 14.07/2.62 (![X0 : $i, X1 : $i]: ((ld @ X1 @ (mult @ X1 @ X0)) = (X0))),
% 14.07/2.62 inference('cnf', [status(esa)], [c02])).
% 14.07/2.62 thf(zip_derived_cl18, plain,
% 14.07/2.62 (![X0 : $i, X1 : $i]: ((ld @ (rd @ X0 @ X1) @ X0) = (X1))),
% 14.07/2.62 inference('s_sup+', [status(thm)], [zip_derived_cl2, zip_derived_cl1])).
% 14.07/2.62 thf(zip_derived_cl1281, plain,
% 14.07/2.62 (![X0 : $i]: ((ld @ (ld @ X0 @ unit) @ unit) = (X0))),
% 14.07/2.62 inference('s_sup+', [status(thm)], [zip_derived_cl1142, zip_derived_cl18])).
% 14.07/2.62 thf(zip_derived_cl1320, plain,
% 14.07/2.62 (![X0 : $i, X1 : $i]:
% 14.07/2.62 ((X1) = (mult @ (mult @ X1 @ X0) @ (ld @ X0 @ unit)))),
% 14.07/2.62 inference('demod', [status(thm)],
% 14.07/2.62 [zip_derived_cl1287, zip_derived_cl4, zip_derived_cl3])).
% 14.07/2.62 thf(c01, axiom, (( mult @ A @ ( ld @ A @ B ) ) = ( B ))).
% 14.07/2.62 thf(zip_derived_cl0, plain,
% 14.07/2.62 (![X0 : $i, X1 : $i]: ((mult @ X1 @ (ld @ X1 @ X0)) = (X0))),
% 14.07/2.62 inference('cnf', [status(esa)], [c01])).
% 14.07/2.62 thf(zip_derived_cl7, plain,
% 14.07/2.62 (![X0 : $i, X1 : $i, X2 : $i]:
% 14.07/2.62 ((mult @ X0 @ (mult @ X1 @ (mult @ X2 @ X1)))
% 14.07/2.62 = (mult @ (mult @ (mult @ X0 @ X1) @ X2) @ X1))),
% 14.07/2.62 inference('cnf', [status(esa)], [c08])).
% 14.07/2.62 thf(zip_derived_cl58, plain,
% 14.07/2.62 (![X0 : $i, X1 : $i, X2 : $i]:
% 14.07/2.62 ((mult @ X1 @ (mult @ (ld @ X1 @ X0) @ (mult @ X2 @ (ld @ X1 @ X0))))
% 14.07/2.62 = (mult @ (mult @ X0 @ X2) @ (ld @ X1 @ X0)))),
% 14.07/2.62 inference('s_sup+', [status(thm)], [zip_derived_cl0, zip_derived_cl7])).
% 14.07/2.62 thf(zip_derived_cl2791, plain,
% 14.07/2.62 (![X0 : $i, X1 : $i]:
% 14.07/2.62 ((mult @ X1 @ (mult @ (ld @ X1 @ unit) @ X0))
% 14.07/2.62 = (mult @ (mult @ unit @ (mult @ X0 @ X1)) @ (ld @ X1 @ unit)))),
% 14.07/2.62 inference('s_sup+', [status(thm)], [zip_derived_cl1320, zip_derived_cl58])).
% 14.07/2.62 thf(zip_derived_cl5, plain, (![X0 : $i]: ((mult @ unit @ X0) = (X0))),
% 14.07/2.62 inference('cnf', [status(esa)], [c06])).
% 14.07/2.62 thf(zip_derived_cl1320, plain,
% 14.07/2.62 (![X0 : $i, X1 : $i]:
% 14.07/2.62 ((X1) = (mult @ (mult @ X1 @ X0) @ (ld @ X0 @ unit)))),
% 14.07/2.62 inference('demod', [status(thm)],
% 14.07/2.62 [zip_derived_cl1287, zip_derived_cl4, zip_derived_cl3])).
% 14.07/2.62 thf(zip_derived_cl2857, plain,
% 14.07/2.62 (![X0 : $i, X1 : $i]:
% 14.07/2.62 ((mult @ X1 @ (mult @ (ld @ X1 @ unit) @ X0)) = (X0))),
% 14.07/2.62 inference('demod', [status(thm)],
% 14.07/2.62 [zip_derived_cl2791, zip_derived_cl5, zip_derived_cl1320])).
% 14.07/2.62 thf(zip_derived_cl3933, plain,
% 14.07/2.62 (![X0 : $i, X1 : $i]:
% 14.07/2.62 ((mult @ (ld @ X0 @ unit) @ (mult @ X0 @ X1)) = (X1))),
% 14.07/2.62 inference('s_sup+', [status(thm)],
% 14.07/2.62 [zip_derived_cl1281, zip_derived_cl2857])).
% 14.07/2.62 thf(zip_derived_cl8239, plain,
% 14.07/2.62 (![X0 : $i, X1 : $i, X2 : $i]:
% 14.07/2.62 ((mult @ X0 @ (mult @ X1 @ (mult @ (mult @ X2 @ X0) @ X1)))
% 14.07/2.62 = (mult @ (mult @ X0 @ X1) @ (mult @ X2 @ (mult @ X0 @ X1))))),
% 14.07/2.62 inference('demod', [status(thm)],
% 14.07/2.62 [zip_derived_cl8126, zip_derived_cl3933])).
% 14.07/2.62 thf(zip_derived_cl8309, plain,
% 14.07/2.62 (((mult @ a @ (mult @ b @ (mult @ (mult @ c @ a) @ b)))
% 14.07/2.62 != (mult @ a @ (mult @ b @ (mult @ (mult @ c @ a) @ b))))),
% 14.07/2.62 inference('demod', [status(thm)], [zip_derived_cl129, zip_derived_cl8239])).
% 14.07/2.62 thf(zip_derived_cl8310, plain, ($false),
% 14.07/2.62 inference('simplify', [status(thm)], [zip_derived_cl8309])).
% 14.07/2.62
% 14.07/2.62 % SZS output end Refutation
% 14.07/2.62
% 14.07/2.62
% 14.07/2.62 % Terminating...
% 14.47/2.68 % Runner terminated.
% 14.47/2.69 % Zipperpin 1.5 exiting
%------------------------------------------------------------------------------