%------------------------------------------------------------------------------
% File : Zipperpin---2.1.9999
% Problem : GRP459-1 : TPTP v9.2.0. Released v2.6.0.
% Transfm : none
% Format : tptp:raw
% Command : python3 /export/starexec/sandbox2/solver/bin/portfolio.lams.parallel.py %s %d /export/starexec/sandbox2/tmp/tmp.VnT8Icn3iX 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 Oct 2 04:36:29 PM UTC 2025
% Result : Unsatisfiable 0.59s 0.92s
% Output : Refutation 0.59s
% Verified :
% SZS Type : -
% Comments :
%------------------------------------------------------------------------------
%----WARNING: Could not form TPTP format derivation
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.04/0.12 % Problem : GRP459-1 : TPTP v9.2.0. Released v2.6.0.
% 0.04/0.13 % Command : python3 /export/starexec/sandbox2/solver/bin/portfolio.lams.parallel.py %s %d /export/starexec/sandbox2/tmp/tmp.VnT8Icn3iX true
% 0.13/0.34 % Computer : n017.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
% 0.13/0.35 % DateTime : Wed Oct 1 14:14:23 EDT 2025
% 0.13/0.35 % CPUTime :
% 0.13/0.35 % Running portfolio for 300 s
% 0.13/0.35 % File : /export/starexec/sandbox2/benchmark/theBenchmark.p
% 0.13/0.35 % Number of cores: 8
% 0.13/0.35 % Python version: Python 3.6.8
% 0.13/0.35 % Running in FO mode
% 0.56/0.66 % Total configuration time : 435
% 0.56/0.66 % Estimated wc time : 1092
% 0.56/0.66 % Estimated cpu time (7 cpus) : 156.0
% 0.57/0.73 % /export/starexec/sandbox2/solver/bin/fo/fo6_bce.sh running for 75s
% 0.57/0.77 % /export/starexec/sandbox2/solver/bin/fo/fo3_bce.sh running for 75s
% 0.57/0.77 % /export/starexec/sandbox2/solver/bin/fo/fo1_av.sh running for 75s
% 0.57/0.79 % /export/starexec/sandbox2/solver/bin/fo/fo7.sh running for 63s
% 0.57/0.80 % /export/starexec/sandbox2/solver/bin/fo/fo13.sh running for 50s
% 0.58/0.85 % /export/starexec/sandbox2/solver/bin/fo/fo5.sh running for 50s
% 0.58/0.86 % /export/starexec/sandbox2/solver/bin/fo/fo4.sh running for 50s
% 0.59/0.92 % Solved by fo/fo1_av.sh.
% 0.59/0.92 % done 138 iterations in 0.127s
% 0.59/0.92 % SZS status Theorem for '/export/starexec/sandbox2/benchmark/theBenchmark.p'
% 0.59/0.92 % SZS output start Refutation
% 0.59/0.92 thf(c3_type, type, c3: $i).
% 0.59/0.92 thf(multiply_type, type, multiply: $i > $i > $i).
% 0.59/0.92 thf(identity_type, type, identity: $i).
% 0.59/0.92 thf(b3_type, type, b3: $i).
% 0.59/0.92 thf(a3_type, type, a3: $i).
% 0.59/0.92 thf(divide_type, type, divide: $i > $i > $i).
% 0.59/0.92 thf(prove_these_axioms_3, conjecture,
% 0.59/0.92 (( multiply @ ( multiply @ a3 @ b3 ) @ c3 ) =
% 0.59/0.92 ( multiply @ a3 @ ( multiply @ b3 @ c3 ) ))).
% 0.59/0.92 thf(zf_stmt_0, negated_conjecture,
% 0.59/0.92 (( multiply @ ( multiply @ a3 @ b3 ) @ c3 ) !=
% 0.59/0.92 ( multiply @ a3 @ ( multiply @ b3 @ c3 ) )),
% 0.59/0.92 inference('cnf.neg', [status(esa)], [prove_these_axioms_3])).
% 0.59/0.92 thf(zip_derived_cl4, plain,
% 0.59/0.92 (((multiply @ (multiply @ a3 @ b3) @ c3)
% 0.59/0.92 != (multiply @ a3 @ (multiply @ b3 @ c3)))),
% 0.59/0.92 inference('cnf', [status(esa)], [zf_stmt_0])).
% 0.59/0.92 thf(multiply, axiom,
% 0.59/0.92 (( multiply @ A @ B ) = ( divide @ A @ ( divide @ identity @ B ) ))).
% 0.59/0.92 thf(zip_derived_cl1, plain,
% 0.59/0.92 (![X0 : $i, X1 : $i]:
% 0.59/0.92 ((multiply @ X0 @ X1) = (divide @ X0 @ (divide @ identity @ X1)))),
% 0.59/0.92 inference('cnf', [status(esa)], [multiply])).
% 0.59/0.92 thf(single_axiom, axiom,
% 0.59/0.92 (( divide @
% 0.59/0.92 ( divide @
% 0.59/0.92 ( divide @ A @ A ) @
% 0.59/0.92 ( divide @
% 0.59/0.92 A @ ( divide @ B @ ( divide @ ( divide @ identity @ A ) @ C ) ) ) ) @
% 0.59/0.92 C ) =
% 0.59/0.92 ( B ))).
% 0.59/0.92 thf(zip_derived_cl0, plain,
% 0.59/0.92 (![X0 : $i, X1 : $i, X2 : $i]:
% 0.59/0.92 ((divide @
% 0.59/0.92 (divide @ (divide @ X1 @ X1) @
% 0.59/0.92 (divide @ X1 @
% 0.59/0.92 (divide @ X0 @ (divide @ (divide @ identity @ X1) @ X2)))) @
% 0.59/0.92 X2) = (X0))),
% 0.59/0.92 inference('cnf', [status(esa)], [single_axiom])).
% 0.59/0.92 thf(identity, axiom, (( identity ) = ( divide @ A @ A ))).
% 0.59/0.92 thf(zip_derived_cl3, plain, (![X0 : $i]: ((identity) = (divide @ X0 @ X0))),
% 0.59/0.92 inference('cnf', [status(esa)], [identity])).
% 0.59/0.92 thf(zip_derived_cl9, plain,
% 0.59/0.92 (![X0 : $i, X1 : $i, X2 : $i]:
% 0.59/0.92 ((divide @
% 0.59/0.92 (divide @ identity @
% 0.59/0.92 (divide @ X1 @
% 0.59/0.92 (divide @ X0 @ (divide @ (divide @ identity @ X1) @ X2)))) @
% 0.59/0.92 X2) = (X0))),
% 0.59/0.92 inference('demod', [status(thm)], [zip_derived_cl0, zip_derived_cl3])).
% 0.59/0.92 thf(zip_derived_cl13, plain,
% 0.59/0.92 (![X0 : $i, X1 : $i]:
% 0.59/0.92 ((divide @
% 0.59/0.92 (multiply @ identity @
% 0.59/0.92 (divide @ X1 @ (divide @ (divide @ identity @ identity) @ X0))) @
% 0.59/0.92 X0) = (X1))),
% 0.59/0.92 inference('s_sup+', [status(thm)], [zip_derived_cl1, zip_derived_cl9])).
% 0.59/0.92 thf(zip_derived_cl3, plain, (![X0 : $i]: ((identity) = (divide @ X0 @ X0))),
% 0.59/0.92 inference('cnf', [status(esa)], [identity])).
% 0.59/0.92 thf(zip_derived_cl1, plain,
% 0.59/0.92 (![X0 : $i, X1 : $i]:
% 0.59/0.92 ((multiply @ X0 @ X1) = (divide @ X0 @ (divide @ identity @ X1)))),
% 0.59/0.92 inference('cnf', [status(esa)], [multiply])).
% 0.59/0.92 thf(zip_derived_cl22, plain,
% 0.59/0.92 (![X0 : $i, X1 : $i]:
% 0.59/0.92 ((divide @ (multiply @ identity @ (multiply @ X1 @ X0)) @ X0) = (X1))),
% 0.59/0.92 inference('demod', [status(thm)],
% 0.59/0.92 [zip_derived_cl13, zip_derived_cl3, zip_derived_cl1])).
% 0.59/0.92 thf(zip_derived_cl3, plain, (![X0 : $i]: ((identity) = (divide @ X0 @ X0))),
% 0.59/0.92 inference('cnf', [status(esa)], [identity])).
% 0.59/0.92 thf(zip_derived_cl9, plain,
% 0.59/0.92 (![X0 : $i, X1 : $i, X2 : $i]:
% 0.59/0.92 ((divide @
% 0.59/0.92 (divide @ identity @
% 0.59/0.92 (divide @ X1 @
% 0.59/0.92 (divide @ X0 @ (divide @ (divide @ identity @ X1) @ X2)))) @
% 0.59/0.92 X2) = (X0))),
% 0.59/0.92 inference('demod', [status(thm)], [zip_derived_cl0, zip_derived_cl3])).
% 0.59/0.92 thf(zip_derived_cl9, plain,
% 0.59/0.92 (![X0 : $i, X1 : $i, X2 : $i]:
% 0.59/0.92 ((divide @
% 0.59/0.92 (divide @ identity @
% 0.59/0.92 (divide @ X1 @
% 0.59/0.92 (divide @ X0 @ (divide @ (divide @ identity @ X1) @ X2)))) @
% 0.59/0.92 X2) = (X0))),
% 0.59/0.92 inference('demod', [status(thm)], [zip_derived_cl0, zip_derived_cl3])).
% 0.59/0.92 thf(zip_derived_cl10, plain,
% 0.59/0.92 (![X0 : $i, X1 : $i, X2 : $i, X3 : $i]:
% 0.59/0.92 ((divide @ (divide @ identity @ (divide @ X2 @ X0)) @ X1)
% 0.59/0.92 = (divide @ identity @
% 0.59/0.92 (divide @ X3 @
% 0.59/0.92 (divide @ X0 @
% 0.59/0.92 (divide @ (divide @ identity @ X3) @
% 0.59/0.92 (divide @ (divide @ identity @ X2) @ X1))))))),
% 0.59/0.92 inference('s_sup+', [status(thm)], [zip_derived_cl9, zip_derived_cl9])).
% 0.59/0.92 thf(zip_derived_cl80, plain,
% 0.59/0.92 (![X0 : $i, X1 : $i, X2 : $i]:
% 0.59/0.92 ((divide @
% 0.59/0.92 (divide @ identity @
% 0.59/0.92 (divide @ X1 @
% 0.59/0.92 (divide @ (divide @ identity @ X2) @
% 0.59/0.92 (divide @ (divide @ identity @ X1) @ X0)))) @
% 0.59/0.92 X0) = (divide @ identity @ (divide @ X2 @ identity)))),
% 0.59/0.92 inference('s_sup+', [status(thm)], [zip_derived_cl3, zip_derived_cl10])).
% 0.59/0.92 thf(zip_derived_cl9, plain,
% 0.59/0.92 (![X0 : $i, X1 : $i, X2 : $i]:
% 0.59/0.92 ((divide @
% 0.59/0.92 (divide @ identity @
% 0.59/0.92 (divide @ X1 @
% 0.59/0.92 (divide @ X0 @ (divide @ (divide @ identity @ X1) @ X2)))) @
% 0.59/0.92 X2) = (X0))),
% 0.59/0.92 inference('demod', [status(thm)], [zip_derived_cl0, zip_derived_cl3])).
% 0.59/0.92 thf(zip_derived_cl95, plain,
% 0.59/0.92 (![X2 : $i]:
% 0.59/0.92 ((divide @ identity @ X2)
% 0.59/0.92 = (divide @ identity @ (divide @ X2 @ identity)))),
% 0.59/0.92 inference('demod', [status(thm)], [zip_derived_cl80, zip_derived_cl9])).
% 0.59/0.92 thf(zip_derived_cl1, plain,
% 0.59/0.92 (![X0 : $i, X1 : $i]:
% 0.59/0.92 ((multiply @ X0 @ X1) = (divide @ X0 @ (divide @ identity @ X1)))),
% 0.59/0.92 inference('cnf', [status(esa)], [multiply])).
% 0.59/0.92 thf(zip_derived_cl108, plain,
% 0.59/0.92 (![X0 : $i, X1 : $i]:
% 0.59/0.92 ((multiply @ X1 @ (divide @ X0 @ identity))
% 0.59/0.92 = (divide @ X1 @ (divide @ identity @ X0)))),
% 0.59/0.92 inference('s_sup+', [status(thm)], [zip_derived_cl95, zip_derived_cl1])).
% 0.59/0.92 thf(zip_derived_cl1, plain,
% 0.59/0.92 (![X0 : $i, X1 : $i]:
% 0.59/0.92 ((multiply @ X0 @ X1) = (divide @ X0 @ (divide @ identity @ X1)))),
% 0.59/0.92 inference('cnf', [status(esa)], [multiply])).
% 0.59/0.92 thf(zip_derived_cl122, plain,
% 0.59/0.92 (![X0 : $i, X1 : $i]:
% 0.59/0.92 ((multiply @ X1 @ (divide @ X0 @ identity)) = (multiply @ X1 @ X0))),
% 0.59/0.92 inference('demod', [status(thm)], [zip_derived_cl108, zip_derived_cl1])).
% 0.59/0.92 thf(zip_derived_cl3, plain, (![X0 : $i]: ((identity) = (divide @ X0 @ X0))),
% 0.59/0.92 inference('cnf', [status(esa)], [identity])).
% 0.59/0.92 thf(zip_derived_cl1, plain,
% 0.59/0.92 (![X0 : $i, X1 : $i]:
% 0.59/0.92 ((multiply @ X0 @ X1) = (divide @ X0 @ (divide @ identity @ X1)))),
% 0.59/0.92 inference('cnf', [status(esa)], [multiply])).
% 0.59/0.92 thf(zip_derived_cl7, plain,
% 0.59/0.92 (![X0 : $i]: ((multiply @ X0 @ identity) = (divide @ X0 @ identity))),
% 0.59/0.92 inference('s_sup+', [status(thm)], [zip_derived_cl3, zip_derived_cl1])).
% 0.59/0.92 thf(zip_derived_cl22, plain,
% 0.59/0.92 (![X0 : $i, X1 : $i]:
% 0.59/0.92 ((divide @ (multiply @ identity @ (multiply @ X1 @ X0)) @ X0) = (X1))),
% 0.59/0.92 inference('demod', [status(thm)],
% 0.59/0.92 [zip_derived_cl13, zip_derived_cl3, zip_derived_cl1])).
% 0.59/0.92 thf(zip_derived_cl32, plain,
% 0.59/0.92 (![X0 : $i]:
% 0.59/0.92 ((divide @ (multiply @ identity @ (divide @ X0 @ identity)) @ identity)
% 0.59/0.92 = (X0))),
% 0.59/0.92 inference('s_sup+', [status(thm)], [zip_derived_cl7, zip_derived_cl22])).
% 0.59/0.92 thf(zip_derived_cl122, plain,
% 0.59/0.92 (![X0 : $i, X1 : $i]:
% 0.59/0.92 ((multiply @ X1 @ (divide @ X0 @ identity)) = (multiply @ X1 @ X0))),
% 0.59/0.92 inference('demod', [status(thm)], [zip_derived_cl108, zip_derived_cl1])).
% 0.59/0.92 thf(zip_derived_cl125, plain,
% 0.59/0.92 (![X0 : $i]: ((divide @ (multiply @ identity @ X0) @ identity) = (X0))),
% 0.59/0.92 inference('demod', [status(thm)], [zip_derived_cl32, zip_derived_cl122])).
% 0.59/0.92 thf(zip_derived_cl144, plain,
% 0.59/0.92 (![X0 : $i]:
% 0.59/0.92 ((divide @ (multiply @ identity @ X0) @ identity)
% 0.59/0.92 = (divide @ X0 @ identity))),
% 0.59/0.92 inference('s_sup+', [status(thm)], [zip_derived_cl122, zip_derived_cl125])).
% 0.59/0.92 thf(zip_derived_cl125, plain,
% 0.59/0.92 (![X0 : $i]: ((divide @ (multiply @ identity @ X0) @ identity) = (X0))),
% 0.59/0.92 inference('demod', [status(thm)], [zip_derived_cl32, zip_derived_cl122])).
% 0.59/0.92 thf(zip_derived_cl147, plain,
% 0.59/0.92 (![X0 : $i]: ((X0) = (divide @ X0 @ identity))),
% 0.59/0.92 inference('demod', [status(thm)], [zip_derived_cl144, zip_derived_cl125])).
% 0.59/0.92 thf(zip_derived_cl125, plain,
% 0.59/0.92 (![X0 : $i]: ((divide @ (multiply @ identity @ X0) @ identity) = (X0))),
% 0.59/0.92 inference('demod', [status(thm)], [zip_derived_cl32, zip_derived_cl122])).
% 0.59/0.92 thf(zip_derived_cl166, plain,
% 0.59/0.92 (![X0 : $i]: ((multiply @ identity @ X0) = (X0))),
% 0.59/0.92 inference('s_sup+', [status(thm)], [zip_derived_cl147, zip_derived_cl125])).
% 0.59/0.92 thf(zip_derived_cl178, plain,
% 0.59/0.92 (![X0 : $i, X1 : $i]: ((divide @ (multiply @ X1 @ X0) @ X0) = (X1))),
% 0.59/0.92 inference('demod', [status(thm)], [zip_derived_cl22, zip_derived_cl166])).
% 0.59/0.92 thf(zip_derived_cl1, plain,
% 0.59/0.92 (![X0 : $i, X1 : $i]:
% 0.59/0.92 ((multiply @ X0 @ X1) = (divide @ X0 @ (divide @ identity @ X1)))),
% 0.59/0.92 inference('cnf', [status(esa)], [multiply])).
% 0.59/0.92 thf(zip_derived_cl9, plain,
% 0.59/0.92 (![X0 : $i, X1 : $i, X2 : $i]:
% 0.59/0.92 ((divide @
% 0.59/0.92 (divide @ identity @
% 0.59/0.92 (divide @ X1 @
% 0.59/0.92 (divide @ X0 @ (divide @ (divide @ identity @ X1) @ X2)))) @
% 0.59/0.92 X2) = (X0))),
% 0.59/0.92 inference('demod', [status(thm)], [zip_derived_cl0, zip_derived_cl3])).
% 0.59/0.92 thf(zip_derived_cl1, plain,
% 0.59/0.92 (![X0 : $i, X1 : $i]:
% 0.59/0.92 ((multiply @ X0 @ X1) = (divide @ X0 @ (divide @ identity @ X1)))),
% 0.59/0.92 inference('cnf', [status(esa)], [multiply])).
% 0.59/0.92 thf(zip_derived_cl11, plain,
% 0.59/0.92 (![X0 : $i, X1 : $i, X2 : $i]:
% 0.59/0.92 ((multiply @
% 0.59/0.92 (divide @ identity @
% 0.59/0.92 (divide @ X2 @
% 0.59/0.92 (divide @ X0 @
% 0.59/0.92 (divide @ (divide @ identity @ X2) @ (divide @ identity @ X1))))) @
% 0.59/0.92 X1) = (X0))),
% 0.59/0.92 inference('s_sup+', [status(thm)], [zip_derived_cl9, zip_derived_cl1])).
% 0.59/0.92 thf(zip_derived_cl1, plain,
% 0.59/0.92 (![X0 : $i, X1 : $i]:
% 0.59/0.92 ((multiply @ X0 @ X1) = (divide @ X0 @ (divide @ identity @ X1)))),
% 0.59/0.92 inference('cnf', [status(esa)], [multiply])).
% 0.59/0.92 thf(zip_derived_cl24, plain,
% 0.59/0.92 (![X0 : $i, X1 : $i, X2 : $i]:
% 0.59/0.92 ((multiply @
% 0.59/0.92 (divide @ identity @
% 0.59/0.92 (divide @ X2 @
% 0.59/0.92 (divide @ X0 @ (multiply @ (divide @ identity @ X2) @ X1)))) @
% 0.59/0.92 X1) = (X0))),
% 0.59/0.92 inference('demod', [status(thm)], [zip_derived_cl11, zip_derived_cl1])).
% 0.59/0.92 thf(zip_derived_cl3, plain, (![X0 : $i]: ((identity) = (divide @ X0 @ X0))),
% 0.59/0.92 inference('cnf', [status(esa)], [identity])).
% 0.59/0.92 thf(zip_derived_cl9, plain,
% 0.59/0.92 (![X0 : $i, X1 : $i, X2 : $i]:
% 0.59/0.92 ((divide @
% 0.59/0.92 (divide @ identity @
% 0.59/0.92 (divide @ X1 @
% 0.59/0.92 (divide @ X0 @ (divide @ (divide @ identity @ X1) @ X2)))) @
% 0.59/0.92 X2) = (X0))),
% 0.59/0.92 inference('demod', [status(thm)], [zip_derived_cl0, zip_derived_cl3])).
% 0.59/0.92 thf(zip_derived_cl17, plain,
% 0.59/0.92 (![X0 : $i, X1 : $i]:
% 0.59/0.92 ((divide @
% 0.59/0.92 (divide @ identity @ (divide @ X1 @ (divide @ X0 @ identity))) @
% 0.59/0.92 (divide @ identity @ X1)) = (X0))),
% 0.59/0.92 inference('s_sup+', [status(thm)], [zip_derived_cl3, zip_derived_cl9])).
% 0.59/0.92 thf(zip_derived_cl147, plain,
% 0.59/0.92 (![X0 : $i]: ((X0) = (divide @ X0 @ identity))),
% 0.59/0.92 inference('demod', [status(thm)], [zip_derived_cl144, zip_derived_cl125])).
% 0.59/0.92 thf(zip_derived_cl1, plain,
% 0.59/0.92 (![X0 : $i, X1 : $i]:
% 0.59/0.92 ((multiply @ X0 @ X1) = (divide @ X0 @ (divide @ identity @ X1)))),
% 0.59/0.92 inference('cnf', [status(esa)], [multiply])).
% 0.59/0.92 thf(zip_derived_cl435, plain,
% 0.59/0.92 (![X0 : $i, X1 : $i]:
% 0.59/0.92 ((multiply @ (divide @ identity @ (divide @ X1 @ X0)) @ X1) = (X0))),
% 0.59/0.92 inference('demod', [status(thm)],
% 0.59/0.92 [zip_derived_cl17, zip_derived_cl147, zip_derived_cl1])).
% 0.59/0.92 thf(zip_derived_cl178, plain,
% 0.59/0.92 (![X0 : $i, X1 : $i]: ((divide @ (multiply @ X1 @ X0) @ X0) = (X1))),
% 0.59/0.92 inference('demod', [status(thm)], [zip_derived_cl22, zip_derived_cl166])).
% 0.59/0.92 thf(zip_derived_cl438, plain,
% 0.59/0.92 (![X0 : $i, X1 : $i]:
% 0.59/0.92 ((divide @ X0 @ X1) = (divide @ identity @ (divide @ X1 @ X0)))),
% 0.59/0.92 inference('s_sup+', [status(thm)], [zip_derived_cl435, zip_derived_cl178])).
% 0.59/0.92 thf(zip_derived_cl648, plain,
% 0.59/0.92 (![X0 : $i, X1 : $i, X2 : $i]:
% 0.59/0.92 ((multiply @
% 0.59/0.92 (divide @
% 0.59/0.92 (divide @ X0 @ (multiply @ (divide @ identity @ X2) @ X1)) @ X2) @
% 0.59/0.92 X1) = (X0))),
% 0.59/0.92 inference('demod', [status(thm)], [zip_derived_cl24, zip_derived_cl438])).
% 0.59/0.92 thf(zip_derived_cl656, plain,
% 0.59/0.92 (![X0 : $i, X1 : $i, X2 : $i]:
% 0.59/0.92 ((multiply @
% 0.59/0.92 (multiply @
% 0.59/0.92 (divide @ X2 @
% 0.59/0.92 (multiply @ (divide @ identity @ (divide @ identity @ X0)) @ X1)) @
% 0.59/0.92 X0) @
% 0.59/0.92 X1) = (X2))),
% 0.59/0.92 inference('s_sup+', [status(thm)], [zip_derived_cl1, zip_derived_cl648])).
% 0.59/0.92 thf(zip_derived_cl3, plain, (![X0 : $i]: ((identity) = (divide @ X0 @ X0))),
% 0.59/0.92 inference('cnf', [status(esa)], [identity])).
% 0.59/0.92 thf(zip_derived_cl1, plain,
% 0.59/0.92 (![X0 : $i, X1 : $i]:
% 0.59/0.92 ((multiply @ X0 @ X1) = (divide @ X0 @ (divide @ identity @ X1)))),
% 0.59/0.92 inference('cnf', [status(esa)], [multiply])).
% 0.59/0.92 thf(zip_derived_cl6, plain,
% 0.59/0.92 (![X0 : $i]: ((multiply @ (divide @ identity @ X0) @ X0) = (identity))),
% 0.59/0.92 inference('s_sup+', [status(thm)], [zip_derived_cl3, zip_derived_cl1])).
% 0.59/0.92 thf(zip_derived_cl178, plain,
% 0.59/0.92 (![X0 : $i, X1 : $i]: ((divide @ (multiply @ X1 @ X0) @ X0) = (X1))),
% 0.59/0.92 inference('demod', [status(thm)], [zip_derived_cl22, zip_derived_cl166])).
% 0.59/0.92 thf(zip_derived_cl1, plain,
% 0.59/0.92 (![X0 : $i, X1 : $i]:
% 0.59/0.92 ((multiply @ X0 @ X1) = (divide @ X0 @ (divide @ identity @ X1)))),
% 0.59/0.92 inference('cnf', [status(esa)], [multiply])).
% 0.59/0.92 thf(zip_derived_cl234, plain,
% 0.59/0.92 (![X0 : $i, X1 : $i]:
% 0.59/0.92 ((multiply @ (multiply @ X0 @ (divide @ identity @ X1)) @ X1) = (X0))),
% 0.59/0.92 inference('s_sup+', [status(thm)], [zip_derived_cl178, zip_derived_cl1])).
% 0.59/0.92 thf(zip_derived_cl245, plain,
% 0.59/0.92 (![X0 : $i]:
% 0.59/0.92 ((multiply @ identity @ X0)
% 0.59/0.92 = (divide @ identity @ (divide @ identity @ X0)))),
% 0.59/0.92 inference('s_sup+', [status(thm)], [zip_derived_cl6, zip_derived_cl234])).
% 0.59/0.92 thf(zip_derived_cl166, plain,
% 0.59/0.92 (![X0 : $i]: ((multiply @ identity @ X0) = (X0))),
% 0.59/0.92 inference('s_sup+', [status(thm)], [zip_derived_cl147, zip_derived_cl125])).
% 0.59/0.92 thf(zip_derived_cl252, plain,
% 0.59/0.92 (![X0 : $i]: ((X0) = (divide @ identity @ (divide @ identity @ X0)))),
% 0.59/0.92 inference('demod', [status(thm)], [zip_derived_cl245, zip_derived_cl166])).
% 0.59/0.92 thf(zip_derived_cl675, plain,
% 0.59/0.92 (![X0 : $i, X1 : $i, X2 : $i]:
% 0.59/0.92 ((multiply @ (multiply @ (divide @ X2 @ (multiply @ X0 @ X1)) @ X0) @
% 0.59/0.92 X1) = (X2))),
% 0.59/0.92 inference('demod', [status(thm)], [zip_derived_cl656, zip_derived_cl252])).
% 0.59/0.92 thf(zip_derived_cl936, plain,
% 0.59/0.92 (![X0 : $i, X1 : $i, X2 : $i]:
% 0.59/0.92 ((multiply @ (multiply @ X0 @ X2) @ X1)
% 0.59/0.92 = (multiply @ X0 @ (multiply @ X2 @ X1)))),
% 0.59/0.92 inference('s_sup+', [status(thm)], [zip_derived_cl178, zip_derived_cl675])).
% 0.59/0.92 thf(zip_derived_cl1059, plain,
% 0.59/0.92 (((multiply @ a3 @ (multiply @ b3 @ c3))
% 0.59/0.92 != (multiply @ a3 @ (multiply @ b3 @ c3)))),
% 0.59/0.92 inference('demod', [status(thm)], [zip_derived_cl4, zip_derived_cl936])).
% 0.59/0.92 thf(zip_derived_cl1060, plain, ($false),
% 0.59/0.92 inference('simplify', [status(thm)], [zip_derived_cl1059])).
% 0.59/0.92
% 0.59/0.92 % SZS output end Refutation
% 0.59/0.92
% 0.59/0.92
% 0.59/0.92 % Terminating...
% 1.78/0.99 % Runner terminated.
% 1.78/1.00 % Zipperpin 1.5 exiting
%------------------------------------------------------------------------------