TSTP Solution File: GRP040-3 by Zipperpin---2.1.9999

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Zipperpin---2.1.9999
% Problem  : GRP040-3 : TPTP v8.1.2. Released v1.0.0.
% Transfm  : NO INFORMATION
% Format   : NO INFORMATION
% Command  : python3 /export/starexec/sandbox2/solver/bin/portfolio.lams.parallel.py %s %d /export/starexec/sandbox2/tmp/tmp.ddEHdGOrd8 true

% Computer : n002.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 01:49:41 EDT 2023

% Result   : Unsatisfiable 1.25s 0.78s
% Output   : Refutation 1.25s
% Verified : 
% SZS Type : -

% Comments : 
%------------------------------------------------------------------------------
%----WARNING: Could not form TPTP format derivation
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.12  % Problem  : GRP040-3 : TPTP v8.1.2. Released v1.0.0.
% 0.00/0.13  % Command  : python3 /export/starexec/sandbox2/solver/bin/portfolio.lams.parallel.py %s %d /export/starexec/sandbox2/tmp/tmp.ddEHdGOrd8 true
% 0.14/0.33  % Computer : n002.cluster.edu
% 0.14/0.33  % Model    : x86_64 x86_64
% 0.14/0.33  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.14/0.33  % Memory   : 8042.1875MB
% 0.14/0.33  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.14/0.33  % CPULimit : 300
% 0.14/0.33  % WCLimit  : 300
% 0.14/0.33  % DateTime : Tue Aug 29 01:28:05 EDT 2023
% 0.14/0.33  % CPUTime  : 
% 0.14/0.33  % Running portfolio for 300 s
% 0.14/0.33  % File         : /export/starexec/sandbox2/benchmark/theBenchmark.p
% 0.14/0.33  % Number of cores: 8
% 0.14/0.33  % Python version: Python 3.6.8
% 0.14/0.33  % Running in FO mode
% 0.19/0.61  % Total configuration time : 435
% 0.19/0.61  % Estimated wc time : 1092
% 0.19/0.61  % Estimated cpu time (7 cpus) : 156.0
% 0.19/0.68  % /export/starexec/sandbox2/solver/bin/fo/fo6_bce.sh running for 75s
% 0.19/0.69  % /export/starexec/sandbox2/solver/bin/fo/fo3_bce.sh running for 75s
% 0.19/0.70  % /export/starexec/sandbox2/solver/bin/fo/fo1_av.sh running for 75s
% 0.19/0.72  % /export/starexec/sandbox2/solver/bin/fo/fo5.sh running for 50s
% 0.19/0.72  % /export/starexec/sandbox2/solver/bin/fo/fo7.sh running for 63s
% 0.19/0.72  % /export/starexec/sandbox2/solver/bin/fo/fo13.sh running for 50s
% 0.19/0.76  % /export/starexec/sandbox2/solver/bin/fo/fo4.sh running for 50s
% 1.25/0.78  % Solved by fo/fo6_bce.sh.
% 1.25/0.78  % BCE start: 17
% 1.25/0.78  % BCE eliminated: 0
% 1.25/0.78  % PE start: 17
% 1.25/0.78  logic: eq
% 1.25/0.78  % PE eliminated: 0
% 1.25/0.78  % done 159 iterations in 0.082s
% 1.25/0.78  % SZS status Theorem for '/export/starexec/sandbox2/benchmark/theBenchmark.p'
% 1.25/0.78  % SZS output start Refutation
% 1.25/0.78  thf(inverse_type, type, inverse: $i > $i).
% 1.25/0.78  thf(product_type, type, product: $i > $i > $i > $o).
% 1.25/0.78  thf(element_in_O2_type, type, element_in_O2: $i > $i > $i).
% 1.25/0.78  thf(c_type, type, c: $i).
% 1.25/0.78  thf(identity_type, type, identity: $i).
% 1.25/0.78  thf(subgroup_member_type, type, subgroup_member: $i > $o).
% 1.25/0.78  thf(d_type, type, d: $i).
% 1.25/0.78  thf(a_type, type, a: $i).
% 1.25/0.78  thf(b_type, type, b: $i).
% 1.25/0.78  thf(multiply_type, type, multiply: $i > $i > $i).
% 1.25/0.78  thf(a_in_subgroup, axiom, (~( subgroup_member @ a ))).
% 1.25/0.78  thf(zip_derived_cl11, plain, (~ (subgroup_member @ a)),
% 1.25/0.78      inference('cnf', [status(esa)], [a_in_subgroup])).
% 1.25/0.78  thf(left_identity, axiom, (product @ identity @ X @ X)).
% 1.25/0.78  thf(zip_derived_cl0, plain, (![X0 : $i]:  (product @ identity @ X0 @ X0)),
% 1.25/0.78      inference('cnf', [status(esa)], [left_identity])).
% 1.25/0.78  thf(closure_of_product_and_inverse, axiom,
% 1.25/0.78    (( ~( subgroup_member @ A ) ) | ( ~( subgroup_member @ B ) ) | 
% 1.25/0.78     ( ~( product @ A @ ( inverse @ B ) @ C ) ) | ( subgroup_member @ C ))).
% 1.25/0.78  thf(zip_derived_cl8, plain,
% 1.25/0.78      (![X0 : $i, X1 : $i, X2 : $i]:
% 1.25/0.78         (~ (subgroup_member @ X0)
% 1.25/0.78          | ~ (subgroup_member @ X1)
% 1.25/0.78          | ~ (product @ X0 @ (inverse @ X1) @ X2)
% 1.25/0.78          |  (subgroup_member @ X2))),
% 1.25/0.78      inference('cnf', [status(esa)], [closure_of_product_and_inverse])).
% 1.25/0.78  thf(zip_derived_cl119, plain,
% 1.25/0.78      (![X0 : $i]:
% 1.25/0.78         (~ (subgroup_member @ identity)
% 1.25/0.78          | ~ (subgroup_member @ X0)
% 1.25/0.78          |  (subgroup_member @ (inverse @ X0)))),
% 1.25/0.78      inference('s_sup-', [status(thm)], [zip_derived_cl0, zip_derived_cl8])).
% 1.25/0.78  thf(right_inverse, axiom, (product @ X @ ( inverse @ X ) @ identity)).
% 1.25/0.78  thf(zip_derived_cl3, plain,
% 1.25/0.78      (![X0 : $i]:  (product @ X0 @ (inverse @ X0) @ identity)),
% 1.25/0.78      inference('cnf', [status(esa)], [right_inverse])).
% 1.25/0.78  thf(zip_derived_cl8, plain,
% 1.25/0.78      (![X0 : $i, X1 : $i, X2 : $i]:
% 1.25/0.78         (~ (subgroup_member @ X0)
% 1.25/0.78          | ~ (subgroup_member @ X1)
% 1.25/0.78          | ~ (product @ X0 @ (inverse @ X1) @ X2)
% 1.25/0.78          |  (subgroup_member @ X2))),
% 1.25/0.78      inference('cnf', [status(esa)], [closure_of_product_and_inverse])).
% 1.25/0.78  thf(zip_derived_cl118, plain,
% 1.25/0.78      (![X0 : $i]:
% 1.25/0.78         (~ (subgroup_member @ X0)
% 1.25/0.78          | ~ (subgroup_member @ X0)
% 1.25/0.78          |  (subgroup_member @ identity))),
% 1.25/0.78      inference('s_sup-', [status(thm)], [zip_derived_cl3, zip_derived_cl8])).
% 1.25/0.78  thf(zip_derived_cl124, plain,
% 1.25/0.78      (![X0 : $i]: ( (subgroup_member @ identity) | ~ (subgroup_member @ X0))),
% 1.25/0.78      inference('simplify', [status(thm)], [zip_derived_cl118])).
% 1.25/0.78  thf(b_is_in_subgroup, axiom, (subgroup_member @ b)).
% 1.25/0.78  thf(zip_derived_cl12, plain, ( (subgroup_member @ b)),
% 1.25/0.78      inference('cnf', [status(esa)], [b_is_in_subgroup])).
% 1.25/0.78  thf(zip_derived_cl142, plain, ( (subgroup_member @ identity)),
% 1.25/0.78      inference('s_sup+', [status(thm)], [zip_derived_cl124, zip_derived_cl12])).
% 1.25/0.78  thf(zip_derived_cl200, plain,
% 1.25/0.78      (![X0 : $i]:
% 1.25/0.78         (~ (subgroup_member @ X0) |  (subgroup_member @ (inverse @ X0)))),
% 1.25/0.78      inference('demod', [status(thm)], [zip_derived_cl119, zip_derived_cl142])).
% 1.25/0.78  thf(b_times_a_inverse_is_c, axiom, (product @ b @ ( inverse @ a ) @ c)).
% 1.25/0.78  thf(zip_derived_cl14, plain, ( (product @ b @ (inverse @ a) @ c)),
% 1.25/0.78      inference('cnf', [status(esa)], [b_times_a_inverse_is_c])).
% 1.25/0.78  thf(zip_derived_cl0, plain, (![X0 : $i]:  (product @ identity @ X0 @ X0)),
% 1.25/0.78      inference('cnf', [status(esa)], [left_identity])).
% 1.25/0.78  thf(prove_inverse_is_self_cancelling, conjecture,
% 1.25/0.78    (( inverse @ ( inverse @ A ) ) != ( A ))).
% 1.25/0.78  thf(zf_stmt_0, negated_conjecture, (( inverse @ ( inverse @ A ) ) = ( A )),
% 1.25/0.78    inference('cnf.neg', [status(esa)], [prove_inverse_is_self_cancelling])).
% 1.25/0.78  thf(zip_derived_cl16, plain,
% 1.25/0.78      (![X0 : $i]: ((inverse @ (inverse @ X0)) = (X0))),
% 1.25/0.78      inference('cnf', [status(esa)], [zf_stmt_0])).
% 1.25/0.78  thf(total_function1, axiom, (product @ X @ Y @ ( multiply @ X @ Y ))).
% 1.25/0.78  thf(zip_derived_cl4, plain,
% 1.25/0.78      (![X0 : $i, X1 : $i]:  (product @ X0 @ X1 @ (multiply @ X0 @ X1))),
% 1.25/0.78      inference('cnf', [status(esa)], [total_function1])).
% 1.25/0.78  thf(zip_derived_cl3, plain,
% 1.25/0.78      (![X0 : $i]:  (product @ X0 @ (inverse @ X0) @ identity)),
% 1.25/0.78      inference('cnf', [status(esa)], [right_inverse])).
% 1.25/0.78  thf(total_function2, axiom,
% 1.25/0.78    (( ~( product @ X @ Y @ Z ) ) | ( ~( product @ X @ Y @ W ) ) | 
% 1.25/0.78     ( ( Z ) = ( W ) ))).
% 1.25/0.78  thf(zip_derived_cl5, plain,
% 1.25/0.78      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i]:
% 1.25/0.78         (~ (product @ X0 @ X1 @ X2)
% 1.25/0.78          | ~ (product @ X0 @ X1 @ X3)
% 1.25/0.78          | ((X2) = (X3)))),
% 1.25/0.78      inference('cnf', [status(esa)], [total_function2])).
% 1.25/0.78  thf(zip_derived_cl83, plain,
% 1.25/0.78      (![X0 : $i, X1 : $i]:
% 1.25/0.78         (~ (product @ X0 @ (inverse @ X0) @ X1) | ((identity) = (X1)))),
% 1.25/0.78      inference('s_sup-', [status(thm)], [zip_derived_cl3, zip_derived_cl5])).
% 1.25/0.78  thf(zip_derived_cl149, plain,
% 1.25/0.78      (![X0 : $i]: ((identity) = (multiply @ X0 @ (inverse @ X0)))),
% 1.25/0.78      inference('s_sup-', [status(thm)], [zip_derived_cl4, zip_derived_cl83])).
% 1.25/0.78  thf(zip_derived_cl157, plain,
% 1.25/0.78      (![X0 : $i]: ((identity) = (multiply @ (inverse @ X0) @ X0))),
% 1.25/0.78      inference('s_sup+', [status(thm)], [zip_derived_cl16, zip_derived_cl149])).
% 1.25/0.78  thf(zip_derived_cl4, plain,
% 1.25/0.78      (![X0 : $i, X1 : $i]:  (product @ X0 @ X1 @ (multiply @ X0 @ X1))),
% 1.25/0.78      inference('cnf', [status(esa)], [total_function1])).
% 1.25/0.78  thf(associativity1, axiom,
% 1.25/0.78    (( ~( product @ X @ Y @ U ) ) | ( ~( product @ Y @ Z @ V ) ) | 
% 1.25/0.78     ( ~( product @ U @ Z @ W ) ) | ( product @ X @ V @ W ))).
% 1.25/0.78  thf(zip_derived_cl6, plain,
% 1.25/0.78      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i, X5 : $i]:
% 1.25/0.78         (~ (product @ X0 @ X1 @ X2)
% 1.25/0.78          | ~ (product @ X1 @ X3 @ X4)
% 1.25/0.78          | ~ (product @ X2 @ X3 @ X5)
% 1.25/0.78          |  (product @ X0 @ X4 @ X5))),
% 1.25/0.78      inference('cnf', [status(esa)], [associativity1])).
% 1.25/0.78  thf(zip_derived_cl89, plain,
% 1.25/0.78      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i, X4 : $i]:
% 1.25/0.78         (~ (product @ X0 @ X3 @ X2)
% 1.25/0.78          | ~ (product @ (multiply @ X1 @ X0) @ X3 @ X4)
% 1.25/0.78          |  (product @ X1 @ X2 @ X4))),
% 1.25/0.78      inference('s_sup-', [status(thm)], [zip_derived_cl4, zip_derived_cl6])).
% 1.25/0.78  thf(zip_derived_cl263, plain,
% 1.25/0.78      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i]:
% 1.25/0.78         (~ (product @ X2 @ X1 @ X3)
% 1.25/0.78          | ~ (product @ identity @ X1 @ X0)
% 1.25/0.78          |  (product @ (inverse @ X2) @ X3 @ X0))),
% 1.25/0.78      inference('s_sup-', [status(thm)], [zip_derived_cl157, zip_derived_cl89])).
% 1.25/0.78  thf(zip_derived_cl270, plain,
% 1.25/0.78      (![X0 : $i, X1 : $i, X2 : $i]:
% 1.25/0.78         (~ (product @ X2 @ X0 @ X1) |  (product @ (inverse @ X2) @ X1 @ X0))),
% 1.25/0.78      inference('s_sup-', [status(thm)], [zip_derived_cl0, zip_derived_cl263])).
% 1.25/0.78  thf(zip_derived_cl4, plain,
% 1.25/0.78      (![X0 : $i, X1 : $i]:  (product @ X0 @ X1 @ (multiply @ X0 @ X1))),
% 1.25/0.78      inference('cnf', [status(esa)], [total_function1])).
% 1.25/0.78  thf(zip_derived_cl5, plain,
% 1.25/0.78      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i]:
% 1.25/0.78         (~ (product @ X0 @ X1 @ X2)
% 1.25/0.78          | ~ (product @ X0 @ X1 @ X3)
% 1.25/0.78          | ((X2) = (X3)))),
% 1.25/0.78      inference('cnf', [status(esa)], [total_function2])).
% 1.25/0.78  thf(zip_derived_cl81, plain,
% 1.25/0.78      (![X0 : $i, X1 : $i, X2 : $i]:
% 1.25/0.78         (~ (product @ X1 @ X0 @ X2) | ((multiply @ X1 @ X0) = (X2)))),
% 1.25/0.78      inference('s_sup-', [status(thm)], [zip_derived_cl4, zip_derived_cl5])).
% 1.25/0.78  thf(zip_derived_cl341, plain,
% 1.25/0.78      (![X0 : $i, X1 : $i, X2 : $i]:
% 1.25/0.78         (~ (product @ X2 @ X0 @ X1)
% 1.25/0.78          | ((multiply @ (inverse @ X2) @ X1) = (X0)))),
% 1.25/0.78      inference('s_sup-', [status(thm)], [zip_derived_cl270, zip_derived_cl81])).
% 1.25/0.78  thf(zip_derived_cl486, plain,
% 1.25/0.78      (((multiply @ (inverse @ b) @ c) = (inverse @ a))),
% 1.25/0.78      inference('s_sup-', [status(thm)], [zip_derived_cl14, zip_derived_cl341])).
% 1.25/0.78  thf(zip_derived_cl4, plain,
% 1.25/0.78      (![X0 : $i, X1 : $i]:  (product @ X0 @ X1 @ (multiply @ X0 @ X1))),
% 1.25/0.78      inference('cnf', [status(esa)], [total_function1])).
% 1.25/0.78  thf(zip_derived_cl200, plain,
% 1.25/0.78      (![X0 : $i]:
% 1.25/0.78         (~ (subgroup_member @ X0) |  (subgroup_member @ (inverse @ X0)))),
% 1.25/0.78      inference('demod', [status(thm)], [zip_derived_cl119, zip_derived_cl142])).
% 1.25/0.78  thf(zip_derived_cl16, plain,
% 1.25/0.78      (![X0 : $i]: ((inverse @ (inverse @ X0)) = (X0))),
% 1.25/0.78      inference('cnf', [status(esa)], [zf_stmt_0])).
% 1.25/0.78  thf(zip_derived_cl8, plain,
% 1.25/0.78      (![X0 : $i, X1 : $i, X2 : $i]:
% 1.25/0.78         (~ (subgroup_member @ X0)
% 1.25/0.78          | ~ (subgroup_member @ X1)
% 1.25/0.78          | ~ (product @ X0 @ (inverse @ X1) @ X2)
% 1.25/0.78          |  (subgroup_member @ X2))),
% 1.25/0.78      inference('cnf', [status(esa)], [closure_of_product_and_inverse])).
% 1.25/0.78  thf(zip_derived_cl123, plain,
% 1.25/0.78      (![X0 : $i, X1 : $i, X2 : $i]:
% 1.25/0.78         (~ (subgroup_member @ X2)
% 1.25/0.78          | ~ (subgroup_member @ (inverse @ X0))
% 1.25/0.78          | ~ (product @ X2 @ X0 @ X1)
% 1.25/0.78          |  (subgroup_member @ X1))),
% 1.25/0.78      inference('s_sup-', [status(thm)], [zip_derived_cl16, zip_derived_cl8])).
% 1.25/0.78  thf(zip_derived_cl201, plain,
% 1.25/0.78      (![X0 : $i, X1 : $i, X2 : $i]:
% 1.25/0.78         (~ (subgroup_member @ X0)
% 1.25/0.78          | ~ (subgroup_member @ X1)
% 1.25/0.78          | ~ (product @ X1 @ X0 @ X2)
% 1.25/0.78          |  (subgroup_member @ X2))),
% 1.25/0.78      inference('s_sup-', [status(thm)], [zip_derived_cl200, zip_derived_cl123])).
% 1.25/0.78  thf(zip_derived_cl209, plain,
% 1.25/0.78      (![X0 : $i, X1 : $i]:
% 1.25/0.78         (~ (subgroup_member @ X0)
% 1.25/0.78          | ~ (subgroup_member @ X1)
% 1.25/0.78          |  (subgroup_member @ (multiply @ X1 @ X0)))),
% 1.25/0.78      inference('s_sup-', [status(thm)], [zip_derived_cl4, zip_derived_cl201])).
% 1.25/0.78  thf(zip_derived_cl544, plain,
% 1.25/0.78      ((~ (subgroup_member @ c)
% 1.25/0.78        | ~ (subgroup_member @ (inverse @ b))
% 1.25/0.78        |  (subgroup_member @ (inverse @ a)))),
% 1.25/0.78      inference('s_sup+', [status(thm)], [zip_derived_cl486, zip_derived_cl209])).
% 1.25/0.78  thf(property_of_O2, axiom,
% 1.25/0.78    (( product @ A @ ( element_in_O2 @ A @ B ) @ B ) | 
% 1.25/0.78     ( subgroup_member @ B ) | ( subgroup_member @ A ))).
% 1.25/0.78  thf(zip_derived_cl10, plain,
% 1.25/0.78      (![X0 : $i, X1 : $i]:
% 1.25/0.78         ( (product @ X0 @ (element_in_O2 @ X0 @ X1) @ X1)
% 1.25/0.78          |  (subgroup_member @ X1)
% 1.25/0.78          |  (subgroup_member @ X0))),
% 1.25/0.78      inference('cnf', [status(esa)], [property_of_O2])).
% 1.25/0.78  thf(a_times_c_is_d, axiom, (product @ a @ c @ d)).
% 1.25/0.78  thf(zip_derived_cl15, plain, ( (product @ a @ c @ d)),
% 1.25/0.78      inference('cnf', [status(esa)], [a_times_c_is_d])).
% 1.25/0.78  thf(zip_derived_cl270, plain,
% 1.25/0.78      (![X0 : $i, X1 : $i, X2 : $i]:
% 1.25/0.78         (~ (product @ X2 @ X0 @ X1) |  (product @ (inverse @ X2) @ X1 @ X0))),
% 1.25/0.78      inference('s_sup-', [status(thm)], [zip_derived_cl0, zip_derived_cl263])).
% 1.25/0.78  thf(zip_derived_cl270, plain,
% 1.25/0.78      (![X0 : $i, X1 : $i, X2 : $i]:
% 1.25/0.78         (~ (product @ X2 @ X0 @ X1) |  (product @ (inverse @ X2) @ X1 @ X0))),
% 1.25/0.78      inference('s_sup-', [status(thm)], [zip_derived_cl0, zip_derived_cl263])).
% 1.25/0.78  thf(zip_derived_cl5, plain,
% 1.25/0.78      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i]:
% 1.25/0.78         (~ (product @ X0 @ X1 @ X2)
% 1.25/0.78          | ~ (product @ X0 @ X1 @ X3)
% 1.25/0.78          | ((X2) = (X3)))),
% 1.25/0.78      inference('cnf', [status(esa)], [total_function2])).
% 1.25/0.78  thf(zip_derived_cl337, plain,
% 1.25/0.78      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i]:
% 1.25/0.78         (~ (product @ X2 @ X0 @ X1)
% 1.25/0.78          | ~ (product @ (inverse @ X2) @ X1 @ X3)
% 1.25/0.78          | ((X0) = (X3)))),
% 1.25/0.78      inference('s_sup-', [status(thm)], [zip_derived_cl270, zip_derived_cl5])).
% 1.25/0.78  thf(zip_derived_cl419, plain,
% 1.25/0.78      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i]:
% 1.25/0.78         (~ (product @ X2 @ X0 @ X1)
% 1.25/0.78          | ~ (product @ X2 @ X3 @ X1)
% 1.25/0.78          | ((X3) = (X0)))),
% 1.25/0.78      inference('s_sup-', [status(thm)], [zip_derived_cl270, zip_derived_cl337])).
% 1.25/0.78  thf(zip_derived_cl463, plain,
% 1.25/0.78      (![X0 : $i]: (~ (product @ a @ X0 @ d) | ((X0) = (c)))),
% 1.25/0.78      inference('s_sup-', [status(thm)], [zip_derived_cl15, zip_derived_cl419])).
% 1.25/0.78  thf(zip_derived_cl471, plain,
% 1.25/0.78      (( (subgroup_member @ a)
% 1.25/0.78        |  (subgroup_member @ d)
% 1.25/0.78        | ((element_in_O2 @ a @ d) = (c)))),
% 1.25/0.78      inference('s_sup-', [status(thm)], [zip_derived_cl10, zip_derived_cl463])).
% 1.25/0.78  thf(zip_derived_cl11, plain, (~ (subgroup_member @ a)),
% 1.25/0.78      inference('cnf', [status(esa)], [a_in_subgroup])).
% 1.25/0.78  thf(d_in_subgroup, axiom, (~( subgroup_member @ d ))).
% 1.25/0.78  thf(zip_derived_cl13, plain, (~ (subgroup_member @ d)),
% 1.25/0.78      inference('cnf', [status(esa)], [d_in_subgroup])).
% 1.25/0.78  thf(zip_derived_cl473, plain, (((element_in_O2 @ a @ d) = (c))),
% 1.25/0.78      inference('demod', [status(thm)],
% 1.25/0.78                [zip_derived_cl471, zip_derived_cl11, zip_derived_cl13])).
% 1.25/0.78  thf(an_element_in_O2, axiom,
% 1.25/0.78    (( subgroup_member @ ( element_in_O2 @ A @ B ) ) | 
% 1.25/0.78     ( subgroup_member @ B ) | ( subgroup_member @ A ))).
% 1.25/0.78  thf(zip_derived_cl9, plain,
% 1.25/0.78      (![X0 : $i, X1 : $i]:
% 1.25/0.78         ( (subgroup_member @ (element_in_O2 @ X0 @ X1))
% 1.25/0.78          |  (subgroup_member @ X1)
% 1.25/0.78          |  (subgroup_member @ X0))),
% 1.25/0.78      inference('cnf', [status(esa)], [an_element_in_O2])).
% 1.25/0.78  thf(zip_derived_cl474, plain,
% 1.25/0.78      (( (subgroup_member @ c)
% 1.25/0.78        |  (subgroup_member @ d)
% 1.25/0.78        |  (subgroup_member @ a))),
% 1.25/0.78      inference('s_sup+', [status(thm)], [zip_derived_cl473, zip_derived_cl9])).
% 1.25/0.78  thf(zip_derived_cl13, plain, (~ (subgroup_member @ d)),
% 1.25/0.78      inference('cnf', [status(esa)], [d_in_subgroup])).
% 1.25/0.78  thf(zip_derived_cl11, plain, (~ (subgroup_member @ a)),
% 1.25/0.78      inference('cnf', [status(esa)], [a_in_subgroup])).
% 1.25/0.78  thf(zip_derived_cl476, plain, ( (subgroup_member @ c)),
% 1.25/0.78      inference('demod', [status(thm)],
% 1.25/0.78                [zip_derived_cl474, zip_derived_cl13, zip_derived_cl11])).
% 1.25/0.78  thf(zip_derived_cl545, plain,
% 1.25/0.78      ((~ (subgroup_member @ (inverse @ b))
% 1.25/0.78        |  (subgroup_member @ (inverse @ a)))),
% 1.25/0.78      inference('demod', [status(thm)], [zip_derived_cl544, zip_derived_cl476])).
% 1.25/0.78  thf(zip_derived_cl580, plain,
% 1.25/0.78      ((~ (subgroup_member @ b) |  (subgroup_member @ (inverse @ a)))),
% 1.25/0.78      inference('s_sup-', [status(thm)], [zip_derived_cl200, zip_derived_cl545])).
% 1.25/0.78  thf(zip_derived_cl12, plain, ( (subgroup_member @ b)),
% 1.25/0.78      inference('cnf', [status(esa)], [b_is_in_subgroup])).
% 1.25/0.78  thf(zip_derived_cl582, plain, ( (subgroup_member @ (inverse @ a))),
% 1.25/0.78      inference('demod', [status(thm)], [zip_derived_cl580, zip_derived_cl12])).
% 1.25/0.78  thf(zip_derived_cl16, plain,
% 1.25/0.78      (![X0 : $i]: ((inverse @ (inverse @ X0)) = (X0))),
% 1.25/0.78      inference('cnf', [status(esa)], [zf_stmt_0])).
% 1.25/0.78  thf(zip_derived_cl200, plain,
% 1.25/0.78      (![X0 : $i]:
% 1.25/0.78         (~ (subgroup_member @ X0) |  (subgroup_member @ (inverse @ X0)))),
% 1.25/0.78      inference('demod', [status(thm)], [zip_derived_cl119, zip_derived_cl142])).
% 1.25/0.78  thf(zip_derived_cl203, plain,
% 1.25/0.78      (![X0 : $i]:
% 1.25/0.78         (~ (subgroup_member @ (inverse @ X0)) |  (subgroup_member @ X0))),
% 1.25/0.78      inference('s_sup+', [status(thm)], [zip_derived_cl16, zip_derived_cl200])).
% 1.25/0.78  thf(zip_derived_cl584, plain, ( (subgroup_member @ a)),
% 1.25/0.78      inference('s_sup-', [status(thm)], [zip_derived_cl582, zip_derived_cl203])).
% 1.25/0.78  thf(zip_derived_cl586, plain, ($false),
% 1.25/0.78      inference('demod', [status(thm)], [zip_derived_cl11, zip_derived_cl584])).
% 1.25/0.78  
% 1.25/0.78  % SZS output end Refutation
% 1.25/0.78  
% 1.25/0.78  
% 1.25/0.78  % Terminating...
% 1.43/0.83  % Runner terminated.
% 1.43/0.84  % Zipperpin 1.5 exiting
%------------------------------------------------------------------------------