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Zipperpin---2.1.9999.UNS-Ref.s

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%------------------------------------------------------------------------------
% File     : Zipperpin---2.1.9999
% Problem  : GRP127-3.004 : TPTP v9.2.0. Released v1.2.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : python3 /export/starexec/sandbox/solver/bin/portfolio.lams.parallel.py %s %d /export/starexec/sandbox/tmp/tmp.xIGsYpKX9c true

% Computer : n004.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 04:35:44 PM UTC 2025

% Result   : Unsatisfiable 0.57s 1.03s
% Output   : Refutation 0.57s
% Verified : 
% SZS Type : -

% Comments : 
%------------------------------------------------------------------------------
%----WARNING: Could not form TPTP format derivation
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.06/0.12  % Problem  : GRP127-3.004 : TPTP v9.2.0. Released v1.2.0.
% 0.06/0.13  % Command  : python3 /export/starexec/sandbox/solver/bin/portfolio.lams.parallel.py %s %d /export/starexec/sandbox/tmp/tmp.xIGsYpKX9c true
% 0.14/0.34  % Computer : n004.cluster.edu
% 0.14/0.34  % Model    : x86_64 x86_64
% 0.14/0.34  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.14/0.34  % Memory   : 8042.1875MB
% 0.14/0.34  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.14/0.34  % CPULimit : 300
% 0.14/0.34  % WCLimit  : 300
% 0.14/0.34  % DateTime : Wed Oct  1 14:19:38 EDT 2025
% 0.14/0.34  % CPUTime  : 
% 0.14/0.34  % Running portfolio for 300 s
% 0.14/0.34  % File         : /export/starexec/sandbox/benchmark/theBenchmark.p
% 0.14/0.34  % Number of cores: 8
% 0.14/0.34  % Python version: Python 3.6.8
% 0.14/0.35  % Running in FO mode
% 0.54/0.64  % Total configuration time : 435
% 0.54/0.64  % Estimated wc time : 1092
% 0.54/0.64  % Estimated cpu time (7 cpus) : 156.0
% 0.56/0.71  % /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
% 0.56/0.76  % /export/starexec/sandbox/solver/bin/fo/fo1_av.sh running for 75s
% 0.56/0.76  % /export/starexec/sandbox/solver/bin/fo/fo13.sh running for 50s
% 0.56/0.77  % /export/starexec/sandbox/solver/bin/fo/fo7.sh running for 63s
% 0.56/0.77  % /export/starexec/sandbox/solver/bin/fo/fo5.sh running for 50s
% 0.56/0.77  % /export/starexec/sandbox/solver/bin/fo/fo4.sh running for 50s
% 0.57/1.03  % Solved by fo/fo1_av.sh.
% 0.57/1.03  % done 858 iterations in 0.252s
% 0.57/1.03  % SZS status Theorem for '/export/starexec/sandbox/benchmark/theBenchmark.p'
% 0.57/1.03  % SZS output start Refutation
% 0.57/1.03  thf(e_4_type, type, e_4: $i).
% 0.57/1.03  thf(e_3_type, type, e_3: $i).
% 0.57/1.03  thf(e_2_type, type, e_2: $i).
% 0.57/1.03  thf(e_1_type, type, e_1: $i).
% 0.57/1.03  thf(product_type, type, product: $i > $i > $i > $o).
% 0.57/1.03  thf(group_element_type, type, group_element: $i > $o).
% 0.57/1.03  thf(equalish_type, type, equalish: $i > $i > $o).
% 0.57/1.03  thf(e_1_is_not_e_2, axiom, (~( equalish @ e_1 @ e_2 ))).
% 0.57/1.03  thf(zip_derived_cl25, plain, (~ (equalish @ e_1 @ e_2)),
% 0.57/1.03      inference('cnf', [status(esa)], [e_1_is_not_e_2])).
% 0.57/1.03  thf(element_2, axiom, (group_element @ e_2)).
% 0.57/1.03  thf(zip_derived_cl22, plain, ( (group_element @ e_2)),
% 0.57/1.03      inference('cnf', [status(esa)], [element_2])).
% 0.57/1.03  thf(product_total_function1, axiom,
% 0.57/1.03    (( ~( group_element @ X ) ) | ( ~( group_element @ Y ) ) | 
% 0.57/1.03     ( product @ X @ Y @ e_1 ) | ( product @ X @ Y @ e_2 ) | 
% 0.57/1.03     ( product @ X @ Y @ e_3 ) | ( product @ X @ Y @ e_4 ))).
% 0.57/1.03  thf(zip_derived_cl37, plain,
% 0.57/1.03      (![X0 : $i, X1 : $i]:
% 0.57/1.03         (~ (group_element @ X0)
% 0.57/1.03          | ~ (group_element @ X1)
% 0.57/1.03          |  (product @ X0 @ X1 @ e_1)
% 0.57/1.03          |  (product @ X0 @ X1 @ e_2)
% 0.57/1.03          |  (product @ X0 @ X1 @ e_3)
% 0.57/1.03          |  (product @ X0 @ X1 @ e_4))),
% 0.57/1.03      inference('cnf', [status(esa)], [product_total_function1])).
% 0.57/1.03  thf(zip_derived_cl96, plain,
% 0.57/1.03      (![X0 : $i]:
% 0.57/1.03         (~ (group_element @ X0)
% 0.57/1.03          |  (product @ e_2 @ X0 @ e_1)
% 0.57/1.03          |  (product @ e_2 @ X0 @ e_2)
% 0.57/1.03          |  (product @ e_2 @ X0 @ e_3)
% 0.57/1.03          |  (product @ e_2 @ X0 @ e_4))),
% 0.57/1.03      inference('s_sup-', [status(thm)], [zip_derived_cl22, zip_derived_cl37])).
% 0.57/1.03  thf(element_1, axiom, (group_element @ e_1)).
% 0.57/1.03  thf(zip_derived_cl21, plain, ( (group_element @ e_1)),
% 0.57/1.03      inference('cnf', [status(esa)], [element_1])).
% 0.57/1.03  thf(zip_derived_cl246, plain,
% 0.57/1.03      (( (product @ e_2 @ e_1 @ e_4)
% 0.57/1.03        |  (product @ e_2 @ e_1 @ e_3)
% 0.57/1.03        |  (product @ e_2 @ e_1 @ e_2)
% 0.57/1.03        |  (product @ e_2 @ e_1 @ e_1))),
% 0.57/1.03      inference('s_sup+', [status(thm)], [zip_derived_cl96, zip_derived_cl21])).
% 0.57/1.03  thf(zip_derived_cl912, plain,
% 0.57/1.03      (( (product @ e_2 @ e_1 @ e_1)) <= (( (product @ e_2 @ e_1 @ e_1)))),
% 0.57/1.03      inference('split', [status(esa)], [zip_derived_cl246])).
% 0.57/1.03  thf(element_3, axiom, (group_element @ e_3)).
% 0.57/1.03  thf(zip_derived_cl23, plain, ( (group_element @ e_3)),
% 0.57/1.03      inference('cnf', [status(esa)], [element_3])).
% 0.57/1.03  thf(zip_derived_cl37, plain,
% 0.57/1.03      (![X0 : $i, X1 : $i]:
% 0.57/1.03         (~ (group_element @ X0)
% 0.57/1.03          | ~ (group_element @ X1)
% 0.57/1.03          |  (product @ X0 @ X1 @ e_1)
% 0.57/1.03          |  (product @ X0 @ X1 @ e_2)
% 0.57/1.03          |  (product @ X0 @ X1 @ e_3)
% 0.57/1.03          |  (product @ X0 @ X1 @ e_4))),
% 0.57/1.03      inference('cnf', [status(esa)], [product_total_function1])).
% 0.57/1.03  thf(zip_derived_cl97, plain,
% 0.57/1.03      (![X0 : $i]:
% 0.57/1.03         (~ (group_element @ X0)
% 0.57/1.03          |  (product @ e_3 @ X0 @ e_1)
% 0.57/1.03          |  (product @ e_3 @ X0 @ e_2)
% 0.57/1.03          |  (product @ e_3 @ X0 @ e_3)
% 0.57/1.03          |  (product @ e_3 @ X0 @ e_4))),
% 0.57/1.03      inference('s_sup-', [status(thm)], [zip_derived_cl23, zip_derived_cl37])).
% 0.57/1.03  thf(element_4, axiom, (group_element @ e_4)).
% 0.57/1.03  thf(zip_derived_cl24, plain, ( (group_element @ e_4)),
% 0.57/1.03      inference('cnf', [status(esa)], [element_4])).
% 0.57/1.03  thf(zip_derived_cl269, plain,
% 0.57/1.03      (( (product @ e_3 @ e_4 @ e_4)
% 0.57/1.03        |  (product @ e_3 @ e_4 @ e_3)
% 0.57/1.03        |  (product @ e_3 @ e_4 @ e_2)
% 0.57/1.03        |  (product @ e_3 @ e_4 @ e_1))),
% 0.57/1.03      inference('s_sup+', [status(thm)], [zip_derived_cl97, zip_derived_cl24])).
% 0.57/1.03  thf(zip_derived_cl1095, plain,
% 0.57/1.03      (( (product @ e_3 @ e_4 @ e_4)) <= (( (product @ e_3 @ e_4 @ e_4)))),
% 0.57/1.03      inference('split', [status(esa)], [zip_derived_cl269])).
% 0.57/1.03  thf(product_idempotence, axiom, (product @ X @ X @ X)).
% 0.57/1.03  thf(zip_derived_cl41, plain, (![X0 : $i]:  (product @ X0 @ X0 @ X0)),
% 0.57/1.03      inference('cnf', [status(esa)], [product_idempotence])).
% 0.57/1.03  thf(product_left_cancellation, axiom,
% 0.57/1.03    (( ~( product @ W @ Y @ X ) ) | ( ~( product @ Z @ Y @ X ) ) | 
% 0.57/1.03     ( equalish @ W @ Z ))).
% 0.57/1.03  thf(zip_derived_cl40, plain,
% 0.57/1.03      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i]:
% 0.57/1.03         (~ (product @ X0 @ X1 @ X2)
% 0.57/1.03          | ~ (product @ X3 @ X1 @ X2)
% 0.57/1.03          |  (equalish @ X0 @ X3))),
% 0.57/1.03      inference('cnf', [status(esa)], [product_left_cancellation])).
% 0.57/1.03  thf(zip_derived_cl70, plain,
% 0.57/1.03      (![X0 : $i, X1 : $i]:
% 0.57/1.03         (~ (product @ X1 @ X0 @ X0) |  (equalish @ X0 @ X1))),
% 0.57/1.03      inference('s_sup-', [status(thm)], [zip_derived_cl41, zip_derived_cl40])).
% 0.57/1.03  thf(zip_derived_cl1103, plain,
% 0.57/1.03      (( (equalish @ e_4 @ e_3)) <= (( (product @ e_3 @ e_4 @ e_4)))),
% 0.57/1.03      inference('s_sup-', [status(thm)], [zip_derived_cl1095, zip_derived_cl70])).
% 0.57/1.03  thf(e_4_is_not_e_3, axiom, (~( equalish @ e_4 @ e_3 ))).
% 0.57/1.03  thf(zip_derived_cl36, plain, (~ (equalish @ e_4 @ e_3)),
% 0.57/1.03      inference('cnf', [status(esa)], [e_4_is_not_e_3])).
% 0.57/1.03  thf('0', plain, (~ ( (product @ e_3 @ e_4 @ e_4))),
% 0.57/1.03      inference('s_sup-', [status(thm)], [zip_derived_cl1103, zip_derived_cl36])).
% 0.57/1.03  thf(zip_derived_cl21, plain, ( (group_element @ e_1)),
% 0.57/1.03      inference('cnf', [status(esa)], [element_1])).
% 0.57/1.03  thf(zip_derived_cl37, plain,
% 0.57/1.03      (![X0 : $i, X1 : $i]:
% 0.57/1.03         (~ (group_element @ X0)
% 0.57/1.03          | ~ (group_element @ X1)
% 0.57/1.03          |  (product @ X0 @ X1 @ e_1)
% 0.57/1.03          |  (product @ X0 @ X1 @ e_2)
% 0.57/1.03          |  (product @ X0 @ X1 @ e_3)
% 0.57/1.03          |  (product @ X0 @ X1 @ e_4))),
% 0.57/1.03      inference('cnf', [status(esa)], [product_total_function1])).
% 0.57/1.03  thf(zip_derived_cl95, plain,
% 0.57/1.03      (![X0 : $i]:
% 0.57/1.03         (~ (group_element @ X0)
% 0.57/1.03          |  (product @ e_1 @ X0 @ e_1)
% 0.57/1.03          |  (product @ e_1 @ X0 @ e_2)
% 0.57/1.03          |  (product @ e_1 @ X0 @ e_3)
% 0.57/1.03          |  (product @ e_1 @ X0 @ e_4))),
% 0.57/1.03      inference('s_sup-', [status(thm)], [zip_derived_cl21, zip_derived_cl37])).
% 0.57/1.03  thf(zip_derived_cl24, plain, ( (group_element @ e_4)),
% 0.57/1.03      inference('cnf', [status(esa)], [element_4])).
% 0.57/1.03  thf(zip_derived_cl215, plain,
% 0.57/1.03      (( (product @ e_1 @ e_4 @ e_4)
% 0.57/1.03        |  (product @ e_1 @ e_4 @ e_3)
% 0.57/1.03        |  (product @ e_1 @ e_4 @ e_2)
% 0.57/1.03        |  (product @ e_1 @ e_4 @ e_1))),
% 0.57/1.03      inference('s_sup+', [status(thm)], [zip_derived_cl95, zip_derived_cl24])).
% 0.57/1.03  thf(zip_derived_cl789, plain,
% 0.57/1.03      (( (product @ e_1 @ e_4 @ e_2)) <= (( (product @ e_1 @ e_4 @ e_2)))),
% 0.57/1.03      inference('split', [status(esa)], [zip_derived_cl215])).
% 0.57/1.03  thf(zip_derived_cl96, plain,
% 0.57/1.03      (![X0 : $i]:
% 0.57/1.03         (~ (group_element @ X0)
% 0.57/1.03          |  (product @ e_2 @ X0 @ e_1)
% 0.57/1.03          |  (product @ e_2 @ X0 @ e_2)
% 0.57/1.03          |  (product @ e_2 @ X0 @ e_3)
% 0.57/1.03          |  (product @ e_2 @ X0 @ e_4))),
% 0.57/1.03      inference('s_sup-', [status(thm)], [zip_derived_cl22, zip_derived_cl37])).
% 0.57/1.03  thf(zip_derived_cl24, plain, ( (group_element @ e_4)),
% 0.57/1.03      inference('cnf', [status(esa)], [element_4])).
% 0.57/1.03  thf(zip_derived_cl249, plain,
% 0.57/1.03      (( (product @ e_2 @ e_4 @ e_4)
% 0.57/1.03        |  (product @ e_2 @ e_4 @ e_3)
% 0.57/1.03        |  (product @ e_2 @ e_4 @ e_2)
% 0.57/1.03        |  (product @ e_2 @ e_4 @ e_1))),
% 0.57/1.03      inference('s_sup+', [status(thm)], [zip_derived_cl96, zip_derived_cl24])).
% 0.57/1.03  thf('1', plain,
% 0.57/1.03      (( (product @ e_2 @ e_4 @ e_1)) | ( (product @ e_2 @ e_4 @ e_3)) | 
% 0.57/1.03       ( (product @ e_2 @ e_4 @ e_4)) | ( (product @ e_2 @ e_4 @ e_2))),
% 0.57/1.03      inference('split', [status(esa)], [zip_derived_cl249])).
% 0.57/1.03  thf(zip_derived_cl961, plain,
% 0.57/1.03      (( (product @ e_2 @ e_4 @ e_4)) <= (( (product @ e_2 @ e_4 @ e_4)))),
% 0.57/1.03      inference('split', [status(esa)], [zip_derived_cl249])).
% 0.57/1.03  thf(zip_derived_cl70, plain,
% 0.57/1.03      (![X0 : $i, X1 : $i]:
% 0.57/1.03         (~ (product @ X1 @ X0 @ X0) |  (equalish @ X0 @ X1))),
% 0.57/1.03      inference('s_sup-', [status(thm)], [zip_derived_cl41, zip_derived_cl40])).
% 0.57/1.03  thf(zip_derived_cl969, plain,
% 0.57/1.03      (( (equalish @ e_4 @ e_2)) <= (( (product @ e_2 @ e_4 @ e_4)))),
% 0.57/1.03      inference('s_sup-', [status(thm)], [zip_derived_cl961, zip_derived_cl70])).
% 0.57/1.03  thf(e_4_is_not_e_2, axiom, (~( equalish @ e_4 @ e_2 ))).
% 0.57/1.03  thf(zip_derived_cl35, plain, (~ (equalish @ e_4 @ e_2)),
% 0.57/1.03      inference('cnf', [status(esa)], [e_4_is_not_e_2])).
% 0.57/1.03  thf('2', plain, (~ ( (product @ e_2 @ e_4 @ e_4))),
% 0.57/1.03      inference('s_sup-', [status(thm)], [zip_derived_cl969, zip_derived_cl35])).
% 0.57/1.03  thf(zip_derived_cl24, plain, ( (group_element @ e_4)),
% 0.57/1.03      inference('cnf', [status(esa)], [element_4])).
% 0.57/1.03  thf(zip_derived_cl95, plain,
% 0.57/1.03      (![X0 : $i]:
% 0.57/1.03         (~ (group_element @ X0)
% 0.57/1.03          |  (product @ e_1 @ X0 @ e_1)
% 0.57/1.03          |  (product @ e_1 @ X0 @ e_2)
% 0.57/1.03          |  (product @ e_1 @ X0 @ e_3)
% 0.57/1.03          |  (product @ e_1 @ X0 @ e_4))),
% 0.57/1.03      inference('s_sup-', [status(thm)], [zip_derived_cl21, zip_derived_cl37])).
% 0.57/1.03  thf(zip_derived_cl219, plain,
% 0.57/1.03      (( (product @ e_1 @ e_4 @ e_1)
% 0.57/1.03        |  (product @ e_1 @ e_4 @ e_2)
% 0.57/1.03        |  (product @ e_1 @ e_4 @ e_3)
% 0.57/1.03        |  (product @ e_1 @ e_4 @ e_4))),
% 0.57/1.03      inference('s_sup-', [status(thm)], [zip_derived_cl24, zip_derived_cl95])).
% 0.57/1.03  thf(zip_derived_cl865, plain,
% 0.57/1.03      (( (product @ e_1 @ e_4 @ e_3)) <= (( (product @ e_1 @ e_4 @ e_3)))),
% 0.57/1.03      inference('split', [status(esa)], [zip_derived_cl219])).
% 0.57/1.03  thf(qg3, conjecture,
% 0.57/1.03    (~( ( product @ Z2 @ Y @ X ) | ( ~( product @ Z1 @ Y @ Z2 ) ) | 
% 0.57/1.03        ( ~( product @ Y @ X @ Z1 ) ) ))).
% 0.57/1.03  thf(zf_stmt_0, negated_conjecture,
% 0.57/1.03    (( product @ Z2 @ Y @ X ) | ( ~( product @ Z1 @ Y @ Z2 ) ) | 
% 0.57/1.03     ( ~( product @ Y @ X @ Z1 ) )),
% 0.57/1.03    inference('cnf.neg', [status(esa)], [qg3])).
% 0.57/1.03  thf(zip_derived_cl42, plain,
% 0.57/1.03      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i]:
% 0.57/1.03         ( (product @ X0 @ X1 @ X2)
% 0.57/1.03          | ~ (product @ X3 @ X1 @ X0)
% 0.57/1.03          | ~ (product @ X1 @ X2 @ X3))),
% 0.57/1.03      inference('cnf', [status(esa)], [zf_stmt_0])).
% 0.57/1.03  thf(zip_derived_cl871, plain,
% 0.57/1.03      ((![X0 : $i]:
% 0.57/1.03          ( (product @ e_3 @ e_4 @ X0) | ~ (product @ e_4 @ X0 @ e_1)))
% 0.57/1.03         <= (( (product @ e_1 @ e_4 @ e_3)))),
% 0.57/1.03      inference('s_sup-', [status(thm)], [zip_derived_cl865, zip_derived_cl42])).
% 0.57/1.03  thf(zip_derived_cl95, plain,
% 0.57/1.03      (![X0 : $i]:
% 0.57/1.03         (~ (group_element @ X0)
% 0.57/1.03          |  (product @ e_1 @ X0 @ e_1)
% 0.57/1.03          |  (product @ e_1 @ X0 @ e_2)
% 0.57/1.03          |  (product @ e_1 @ X0 @ e_3)
% 0.57/1.03          |  (product @ e_1 @ X0 @ e_4))),
% 0.57/1.03      inference('s_sup-', [status(thm)], [zip_derived_cl21, zip_derived_cl37])).
% 0.57/1.03  thf(zip_derived_cl22, plain, ( (group_element @ e_2)),
% 0.57/1.03      inference('cnf', [status(esa)], [element_2])).
% 0.57/1.03  thf(zip_derived_cl213, plain,
% 0.57/1.03      (( (product @ e_1 @ e_2 @ e_4)
% 0.57/1.03        |  (product @ e_1 @ e_2 @ e_3)
% 0.57/1.03        |  (product @ e_1 @ e_2 @ e_2)
% 0.57/1.03        |  (product @ e_1 @ e_2 @ e_1))),
% 0.57/1.03      inference('s_sup+', [status(thm)], [zip_derived_cl95, zip_derived_cl22])).
% 0.57/1.03  thf(zip_derived_cl740, plain,
% 0.57/1.03      (( (product @ e_1 @ e_2 @ e_4)) <= (( (product @ e_1 @ e_2 @ e_4)))),
% 0.57/1.03      inference('split', [status(esa)], [zip_derived_cl213])).
% 0.57/1.03  thf(zip_derived_cl42, plain,
% 0.57/1.03      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i]:
% 0.57/1.03         ( (product @ X0 @ X1 @ X2)
% 0.57/1.03          | ~ (product @ X3 @ X1 @ X0)
% 0.57/1.03          | ~ (product @ X1 @ X2 @ X3))),
% 0.57/1.03      inference('cnf', [status(esa)], [zf_stmt_0])).
% 0.57/1.03  thf(zip_derived_cl747, plain,
% 0.57/1.03      ((![X0 : $i]:
% 0.57/1.03          ( (product @ e_4 @ e_2 @ X0) | ~ (product @ e_2 @ X0 @ e_1)))
% 0.57/1.03         <= (( (product @ e_1 @ e_2 @ e_4)))),
% 0.57/1.03      inference('s_sup-', [status(thm)], [zip_derived_cl740, zip_derived_cl42])).
% 0.57/1.03  thf(zip_derived_cl926, plain,
% 0.57/1.03      ((( (product @ e_3 @ e_4 @ e_2) | ~ (product @ e_2 @ e_1 @ e_1)))
% 0.57/1.03         <= (( (product @ e_1 @ e_2 @ e_4)) & ( (product @ e_1 @ e_4 @ e_3)))),
% 0.57/1.03      inference('s_sup+', [status(thm)], [zip_derived_cl871, zip_derived_cl747])).
% 0.57/1.03  thf(zip_derived_cl930, plain,
% 0.57/1.03      (( (product @ e_3 @ e_4 @ e_2)) <= (( (product @ e_3 @ e_4 @ e_2)))),
% 0.57/1.03      inference('split', [status(esa)], [zip_derived_cl926])).
% 0.57/1.03  thf(zip_derived_cl42, plain,
% 0.57/1.03      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i]:
% 0.57/1.03         ( (product @ X0 @ X1 @ X2)
% 0.57/1.03          | ~ (product @ X3 @ X1 @ X0)
% 0.57/1.03          | ~ (product @ X1 @ X2 @ X3))),
% 0.57/1.03      inference('cnf', [status(esa)], [zf_stmt_0])).
% 0.57/1.03  thf(zip_derived_cl935, plain,
% 0.57/1.03      ((![X0 : $i]:
% 0.57/1.03          ( (product @ e_2 @ e_4 @ X0) | ~ (product @ e_4 @ X0 @ e_3)))
% 0.57/1.03         <= (( (product @ e_3 @ e_4 @ e_2)))),
% 0.57/1.03      inference('s_sup-', [status(thm)], [zip_derived_cl930, zip_derived_cl42])).
% 0.57/1.03  thf(zip_derived_cl747, plain,
% 0.57/1.03      ((![X0 : $i]:
% 0.57/1.03          ( (product @ e_4 @ e_2 @ X0) | ~ (product @ e_2 @ X0 @ e_1)))
% 0.57/1.03         <= (( (product @ e_1 @ e_2 @ e_4)))),
% 0.57/1.03      inference('s_sup-', [status(thm)], [zip_derived_cl740, zip_derived_cl42])).
% 0.57/1.03  thf(zip_derived_cl1161, plain,
% 0.57/1.03      ((( (product @ e_2 @ e_4 @ e_2) | ~ (product @ e_2 @ e_3 @ e_1)))
% 0.57/1.03         <= (( (product @ e_1 @ e_2 @ e_4)) & ( (product @ e_3 @ e_4 @ e_2)))),
% 0.57/1.03      inference('s_sup+', [status(thm)], [zip_derived_cl935, zip_derived_cl747])).
% 0.57/1.03  thf(zip_derived_cl1232, plain,
% 0.57/1.03      (( (product @ e_2 @ e_4 @ e_2)) <= (( (product @ e_2 @ e_4 @ e_2)))),
% 0.57/1.03      inference('split', [status(esa)], [zip_derived_cl1161])).
% 0.57/1.03  thf(zip_derived_cl41, plain, (![X0 : $i]:  (product @ X0 @ X0 @ X0)),
% 0.57/1.03      inference('cnf', [status(esa)], [product_idempotence])).
% 0.57/1.03  thf(product_right_cancellation, axiom,
% 0.57/1.03    (( ~( product @ X @ W @ Y ) ) | ( ~( product @ X @ Z @ Y ) ) | 
% 0.57/1.03     ( equalish @ W @ Z ))).
% 0.57/1.03  thf(zip_derived_cl39, plain,
% 0.57/1.03      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i]:
% 0.57/1.03         (~ (product @ X0 @ X1 @ X2)
% 0.57/1.03          | ~ (product @ X0 @ X3 @ X2)
% 0.57/1.03          |  (equalish @ X1 @ X3))),
% 0.57/1.03      inference('cnf', [status(esa)], [product_right_cancellation])).
% 0.57/1.03  thf(zip_derived_cl66, plain,
% 0.57/1.03      (![X0 : $i, X1 : $i]:
% 0.57/1.03         (~ (product @ X0 @ X1 @ X0) |  (equalish @ X0 @ X1))),
% 0.57/1.03      inference('s_sup-', [status(thm)], [zip_derived_cl41, zip_derived_cl39])).
% 0.57/1.03  thf(zip_derived_cl1238, plain,
% 0.57/1.03      (( (equalish @ e_2 @ e_4)) <= (( (product @ e_2 @ e_4 @ e_2)))),
% 0.57/1.03      inference('s_sup-', [status(thm)], [zip_derived_cl1232, zip_derived_cl66])).
% 0.57/1.03  thf(e_2_is_not_e_4, axiom, (~( equalish @ e_2 @ e_4 ))).
% 0.57/1.03  thf(zip_derived_cl30, plain, (~ (equalish @ e_2 @ e_4)),
% 0.57/1.03      inference('cnf', [status(esa)], [e_2_is_not_e_4])).
% 0.57/1.03  thf('3', plain, (~ ( (product @ e_2 @ e_4 @ e_2))),
% 0.57/1.03      inference('s_sup-', [status(thm)], [zip_derived_cl1238, zip_derived_cl30])).
% 0.57/1.03  thf('4', plain,
% 0.57/1.03      (( (product @ e_1 @ e_2 @ e_3)) | ( (product @ e_1 @ e_2 @ e_4)) | 
% 0.57/1.03       ( (product @ e_1 @ e_2 @ e_2)) | ( (product @ e_1 @ e_2 @ e_1))),
% 0.57/1.03      inference('split', [status(esa)], [zip_derived_cl213])).
% 0.57/1.03  thf(zip_derived_cl742, plain,
% 0.57/1.03      (( (product @ e_1 @ e_2 @ e_2)) <= (( (product @ e_1 @ e_2 @ e_2)))),
% 0.57/1.03      inference('split', [status(esa)], [zip_derived_cl213])).
% 0.57/1.03  thf(zip_derived_cl70, plain,
% 0.57/1.03      (![X0 : $i, X1 : $i]:
% 0.57/1.03         (~ (product @ X1 @ X0 @ X0) |  (equalish @ X0 @ X1))),
% 0.57/1.03      inference('s_sup-', [status(thm)], [zip_derived_cl41, zip_derived_cl40])).
% 0.57/1.03  thf(zip_derived_cl1069, plain,
% 0.57/1.03      (( (equalish @ e_2 @ e_1)) <= (( (product @ e_1 @ e_2 @ e_2)))),
% 0.57/1.03      inference('s_sup-', [status(thm)], [zip_derived_cl742, zip_derived_cl70])).
% 0.57/1.03  thf(e_2_is_not_e_1, axiom, (~( equalish @ e_2 @ e_1 ))).
% 0.57/1.03  thf(zip_derived_cl28, plain, (~ (equalish @ e_2 @ e_1)),
% 0.57/1.03      inference('cnf', [status(esa)], [e_2_is_not_e_1])).
% 0.57/1.03  thf('5', plain, (~ ( (product @ e_1 @ e_2 @ e_2))),
% 0.57/1.03      inference('s_sup-', [status(thm)], [zip_derived_cl1069, zip_derived_cl28])).
% 0.57/1.03  thf(zip_derived_cl743, plain,
% 0.57/1.03      (( (product @ e_1 @ e_2 @ e_1)) <= (( (product @ e_1 @ e_2 @ e_1)))),
% 0.57/1.03      inference('split', [status(esa)], [zip_derived_cl213])).
% 0.57/1.03  thf(zip_derived_cl66, plain,
% 0.57/1.03      (![X0 : $i, X1 : $i]:
% 0.57/1.03         (~ (product @ X0 @ X1 @ X0) |  (equalish @ X0 @ X1))),
% 0.57/1.03      inference('s_sup-', [status(thm)], [zip_derived_cl41, zip_derived_cl39])).
% 0.57/1.03  thf(zip_derived_cl1113, plain,
% 0.57/1.03      (( (equalish @ e_1 @ e_2)) <= (( (product @ e_1 @ e_2 @ e_1)))),
% 0.57/1.03      inference('s_sup-', [status(thm)], [zip_derived_cl743, zip_derived_cl66])).
% 0.57/1.03  thf(zip_derived_cl25, plain, (~ (equalish @ e_1 @ e_2)),
% 0.57/1.03      inference('cnf', [status(esa)], [e_1_is_not_e_2])).
% 0.57/1.03  thf('6', plain, (~ ( (product @ e_1 @ e_2 @ e_1))),
% 0.57/1.03      inference('s_sup-', [status(thm)], [zip_derived_cl1113, zip_derived_cl25])).
% 0.57/1.03  thf(zip_derived_cl24, plain, ( (group_element @ e_4)),
% 0.57/1.03      inference('cnf', [status(esa)], [element_4])).
% 0.57/1.03  thf(zip_derived_cl96, plain,
% 0.57/1.03      (![X0 : $i]:
% 0.57/1.03         (~ (group_element @ X0)
% 0.57/1.03          |  (product @ e_2 @ X0 @ e_1)
% 0.57/1.03          |  (product @ e_2 @ X0 @ e_2)
% 0.57/1.03          |  (product @ e_2 @ X0 @ e_3)
% 0.57/1.03          |  (product @ e_2 @ X0 @ e_4))),
% 0.57/1.03      inference('s_sup-', [status(thm)], [zip_derived_cl22, zip_derived_cl37])).
% 0.57/1.03  thf(zip_derived_cl253, plain,
% 0.57/1.03      (( (product @ e_2 @ e_4 @ e_1)
% 0.57/1.03        |  (product @ e_2 @ e_4 @ e_2)
% 0.57/1.03        |  (product @ e_2 @ e_4 @ e_3)
% 0.57/1.03        |  (product @ e_2 @ e_4 @ e_4))),
% 0.57/1.03      inference('s_sup-', [status(thm)], [zip_derived_cl24, zip_derived_cl96])).
% 0.57/1.03  thf(zip_derived_cl1033, plain,
% 0.57/1.03      (( (product @ e_2 @ e_4 @ e_3)) <= (( (product @ e_2 @ e_4 @ e_3)))),
% 0.57/1.03      inference('split', [status(esa)], [zip_derived_cl253])).
% 0.57/1.03  thf(zip_derived_cl865, plain,
% 0.57/1.03      (( (product @ e_1 @ e_4 @ e_3)) <= (( (product @ e_1 @ e_4 @ e_3)))),
% 0.57/1.03      inference('split', [status(esa)], [zip_derived_cl219])).
% 0.57/1.03  thf(zip_derived_cl40, plain,
% 0.57/1.03      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i]:
% 0.57/1.03         (~ (product @ X0 @ X1 @ X2)
% 0.57/1.03          | ~ (product @ X3 @ X1 @ X2)
% 0.57/1.03          |  (equalish @ X0 @ X3))),
% 0.57/1.03      inference('cnf', [status(esa)], [product_left_cancellation])).
% 0.57/1.03  thf(zip_derived_cl870, plain,
% 0.57/1.03      ((![X0 : $i]: (~ (product @ X0 @ e_4 @ e_3) |  (equalish @ e_1 @ X0)))
% 0.57/1.03         <= (( (product @ e_1 @ e_4 @ e_3)))),
% 0.57/1.03      inference('s_sup-', [status(thm)], [zip_derived_cl865, zip_derived_cl40])).
% 0.57/1.03  thf(zip_derived_cl1174, plain,
% 0.57/1.03      (( (equalish @ e_1 @ e_2))
% 0.57/1.03         <= (( (product @ e_1 @ e_4 @ e_3)) & ( (product @ e_2 @ e_4 @ e_3)))),
% 0.57/1.03      inference('s_sup-', [status(thm)],
% 0.57/1.03                [zip_derived_cl1033, zip_derived_cl870])).
% 0.57/1.03  thf(zip_derived_cl25, plain, (~ (equalish @ e_1 @ e_2)),
% 0.57/1.03      inference('cnf', [status(esa)], [e_1_is_not_e_2])).
% 0.57/1.03  thf('7', plain,
% 0.57/1.03      (~ ( (product @ e_2 @ e_4 @ e_3)) | ~ ( (product @ e_1 @ e_4 @ e_3))),
% 0.57/1.03      inference('s_sup-', [status(thm)], [zip_derived_cl1174, zip_derived_cl25])).
% 0.57/1.03  thf(zip_derived_cl865, plain,
% 0.57/1.03      (( (product @ e_1 @ e_4 @ e_3)) <= (( (product @ e_1 @ e_4 @ e_3)))),
% 0.57/1.03      inference('split', [status(esa)], [zip_derived_cl219])).
% 0.57/1.03  thf(zip_derived_cl22, plain, ( (group_element @ e_2)),
% 0.57/1.03      inference('cnf', [status(esa)], [element_2])).
% 0.57/1.03  thf(zip_derived_cl95, plain,
% 0.57/1.03      (![X0 : $i]:
% 0.57/1.03         (~ (group_element @ X0)
% 0.57/1.03          |  (product @ e_1 @ X0 @ e_1)
% 0.57/1.03          |  (product @ e_1 @ X0 @ e_2)
% 0.57/1.03          |  (product @ e_1 @ X0 @ e_3)
% 0.57/1.03          |  (product @ e_1 @ X0 @ e_4))),
% 0.57/1.03      inference('s_sup-', [status(thm)], [zip_derived_cl21, zip_derived_cl37])).
% 0.57/1.03  thf(zip_derived_cl217, plain,
% 0.57/1.03      (( (product @ e_1 @ e_2 @ e_1)
% 0.57/1.03        |  (product @ e_1 @ e_2 @ e_2)
% 0.57/1.03        |  (product @ e_1 @ e_2 @ e_3)
% 0.57/1.03        |  (product @ e_1 @ e_2 @ e_4))),
% 0.57/1.03      inference('s_sup-', [status(thm)], [zip_derived_cl22, zip_derived_cl95])).
% 0.57/1.03  thf(zip_derived_cl812, plain,
% 0.57/1.03      (( (product @ e_1 @ e_2 @ e_3)) <= (( (product @ e_1 @ e_2 @ e_3)))),
% 0.57/1.03      inference('split', [status(esa)], [zip_derived_cl217])).
% 0.57/1.03  thf(zip_derived_cl39, plain,
% 0.57/1.03      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i]:
% 0.57/1.03         (~ (product @ X0 @ X1 @ X2)
% 0.57/1.03          | ~ (product @ X0 @ X3 @ X2)
% 0.57/1.03          |  (equalish @ X1 @ X3))),
% 0.57/1.03      inference('cnf', [status(esa)], [product_right_cancellation])).
% 0.57/1.03  thf(zip_derived_cl816, plain,
% 0.57/1.03      ((![X0 : $i]: (~ (product @ e_1 @ X0 @ e_3) |  (equalish @ e_2 @ X0)))
% 0.57/1.03         <= (( (product @ e_1 @ e_2 @ e_3)))),
% 0.57/1.03      inference('s_sup-', [status(thm)], [zip_derived_cl812, zip_derived_cl39])).
% 0.57/1.03  thf(zip_derived_cl996, plain,
% 0.57/1.03      (( (equalish @ e_2 @ e_4))
% 0.57/1.03         <= (( (product @ e_1 @ e_2 @ e_3)) & ( (product @ e_1 @ e_4 @ e_3)))),
% 0.57/1.03      inference('s_sup-', [status(thm)], [zip_derived_cl865, zip_derived_cl816])).
% 0.57/1.03  thf(zip_derived_cl30, plain, (~ (equalish @ e_2 @ e_4)),
% 0.57/1.03      inference('cnf', [status(esa)], [e_2_is_not_e_4])).
% 0.57/1.03  thf('8', plain,
% 0.57/1.03      (~ ( (product @ e_1 @ e_4 @ e_3)) | ~ ( (product @ e_1 @ e_2 @ e_3))),
% 0.57/1.03      inference('s_sup-', [status(thm)], [zip_derived_cl996, zip_derived_cl30])).
% 0.57/1.03  thf(zip_derived_cl935, plain,
% 0.57/1.03      ((![X0 : $i]:
% 0.57/1.03          ( (product @ e_2 @ e_4 @ X0) | ~ (product @ e_4 @ X0 @ e_3)))
% 0.57/1.03         <= (( (product @ e_3 @ e_4 @ e_2)))),
% 0.57/1.03      inference('s_sup-', [status(thm)], [zip_derived_cl930, zip_derived_cl42])).
% 0.57/1.03  thf(zip_derived_cl909, plain,
% 0.57/1.03      (( (product @ e_2 @ e_1 @ e_4)) <= (( (product @ e_2 @ e_1 @ e_4)))),
% 0.57/1.03      inference('split', [status(esa)], [zip_derived_cl246])).
% 0.57/1.03  thf(zip_derived_cl42, plain,
% 0.57/1.03      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i]:
% 0.57/1.03         ( (product @ X0 @ X1 @ X2)
% 0.57/1.03          | ~ (product @ X3 @ X1 @ X0)
% 0.57/1.03          | ~ (product @ X1 @ X2 @ X3))),
% 0.57/1.03      inference('cnf', [status(esa)], [zf_stmt_0])).
% 0.57/1.03  thf(zip_derived_cl916, plain,
% 0.57/1.03      ((![X0 : $i]:
% 0.57/1.03          ( (product @ e_4 @ e_1 @ X0) | ~ (product @ e_1 @ X0 @ e_2)))
% 0.57/1.03         <= (( (product @ e_2 @ e_1 @ e_4)))),
% 0.57/1.03      inference('s_sup-', [status(thm)], [zip_derived_cl909, zip_derived_cl42])).
% 0.57/1.03  thf(zip_derived_cl1160, plain,
% 0.57/1.03      ((( (product @ e_2 @ e_4 @ e_1) | ~ (product @ e_1 @ e_3 @ e_2)))
% 0.57/1.03         <= (( (product @ e_2 @ e_1 @ e_4)) & ( (product @ e_3 @ e_4 @ e_2)))),
% 0.57/1.03      inference('s_sup+', [status(thm)], [zip_derived_cl935, zip_derived_cl916])).
% 0.57/1.04  thf(zip_derived_cl1209, plain,
% 0.57/1.04      (( (product @ e_2 @ e_4 @ e_1)) <= (( (product @ e_2 @ e_4 @ e_1)))),
% 0.57/1.04      inference('split', [status(esa)], [zip_derived_cl1160])).
% 0.57/1.04  thf(zip_derived_cl747, plain,
% 0.57/1.04      ((![X0 : $i]:
% 0.57/1.04          ( (product @ e_4 @ e_2 @ X0) | ~ (product @ e_2 @ X0 @ e_1)))
% 0.57/1.04         <= (( (product @ e_1 @ e_2 @ e_4)))),
% 0.57/1.04      inference('s_sup-', [status(thm)], [zip_derived_cl740, zip_derived_cl42])).
% 0.57/1.04  thf(zip_derived_cl66, plain,
% 0.57/1.04      (![X0 : $i, X1 : $i]:
% 0.57/1.04         (~ (product @ X0 @ X1 @ X0) |  (equalish @ X0 @ X1))),
% 0.57/1.04      inference('s_sup-', [status(thm)], [zip_derived_cl41, zip_derived_cl39])).
% 0.57/1.04  thf(zip_derived_cl760, plain,
% 0.57/1.04      (((~ (product @ e_2 @ e_4 @ e_1) |  (equalish @ e_4 @ e_2)))
% 0.57/1.04         <= (( (product @ e_1 @ e_2 @ e_4)))),
% 0.57/1.04      inference('s_sup-', [status(thm)], [zip_derived_cl747, zip_derived_cl66])).
% 0.57/1.04  thf(zip_derived_cl35, plain, (~ (equalish @ e_4 @ e_2)),
% 0.57/1.04      inference('cnf', [status(esa)], [e_4_is_not_e_2])).
% 0.57/1.04  thf(zip_derived_cl763, plain,
% 0.57/1.04      ((~ (product @ e_2 @ e_4 @ e_1)) <= (( (product @ e_1 @ e_2 @ e_4)))),
% 0.57/1.04      inference('demod', [status(thm)], [zip_derived_cl760, zip_derived_cl35])).
% 0.57/1.04  thf('9', plain,
% 0.57/1.04      (~ ( (product @ e_1 @ e_2 @ e_4)) | ~ ( (product @ e_2 @ e_4 @ e_1))),
% 0.57/1.04      inference('s_sup-', [status(thm)],
% 0.57/1.04                [zip_derived_cl1209, zip_derived_cl763])).
% 0.57/1.04  thf(zip_derived_cl787, plain,
% 0.57/1.04      (( (product @ e_1 @ e_4 @ e_4)) <= (( (product @ e_1 @ e_4 @ e_4)))),
% 0.57/1.04      inference('split', [status(esa)], [zip_derived_cl215])).
% 0.57/1.04  thf(zip_derived_cl70, plain,
% 0.57/1.04      (![X0 : $i, X1 : $i]:
% 0.57/1.04         (~ (product @ X1 @ X0 @ X0) |  (equalish @ X0 @ X1))),
% 0.57/1.04      inference('s_sup-', [status(thm)], [zip_derived_cl41, zip_derived_cl40])).
% 0.57/1.04  thf(zip_derived_cl795, plain,
% 0.57/1.04      (( (equalish @ e_4 @ e_1)) <= (( (product @ e_1 @ e_4 @ e_4)))),
% 0.57/1.04      inference('s_sup-', [status(thm)], [zip_derived_cl787, zip_derived_cl70])).
% 0.57/1.04  thf(e_4_is_not_e_1, axiom, (~( equalish @ e_4 @ e_1 ))).
% 0.57/1.04  thf(zip_derived_cl34, plain, (~ (equalish @ e_4 @ e_1)),
% 0.57/1.04      inference('cnf', [status(esa)], [e_4_is_not_e_1])).
% 0.57/1.04  thf('10', plain, (~ ( (product @ e_1 @ e_4 @ e_4))),
% 0.57/1.04      inference('s_sup-', [status(thm)], [zip_derived_cl795, zip_derived_cl34])).
% 0.57/1.04  thf(zip_derived_cl790, plain,
% 0.57/1.04      (( (product @ e_1 @ e_4 @ e_1)) <= (( (product @ e_1 @ e_4 @ e_1)))),
% 0.57/1.04      inference('split', [status(esa)], [zip_derived_cl215])).
% 0.57/1.04  thf(zip_derived_cl66, plain,
% 0.57/1.04      (![X0 : $i, X1 : $i]:
% 0.57/1.04         (~ (product @ X0 @ X1 @ X0) |  (equalish @ X0 @ X1))),
% 0.57/1.04      inference('s_sup-', [status(thm)], [zip_derived_cl41, zip_derived_cl39])).
% 0.57/1.04  thf(zip_derived_cl1522, plain,
% 0.57/1.04      (( (equalish @ e_1 @ e_4)) <= (( (product @ e_1 @ e_4 @ e_1)))),
% 0.57/1.04      inference('s_sup-', [status(thm)], [zip_derived_cl790, zip_derived_cl66])).
% 0.57/1.04  thf(e_1_is_not_e_4, axiom, (~( equalish @ e_1 @ e_4 ))).
% 0.57/1.04  thf(zip_derived_cl27, plain, (~ (equalish @ e_1 @ e_4)),
% 0.57/1.04      inference('cnf', [status(esa)], [e_1_is_not_e_4])).
% 0.57/1.04  thf('11', plain, (~ ( (product @ e_1 @ e_4 @ e_1))),
% 0.57/1.04      inference('s_sup-', [status(thm)], [zip_derived_cl1522, zip_derived_cl27])).
% 0.57/1.04  thf('12', plain,
% 0.57/1.04      (( (product @ e_1 @ e_4 @ e_2)) | ( (product @ e_1 @ e_4 @ e_1)) | 
% 0.57/1.04       ( (product @ e_1 @ e_4 @ e_4)) | ( (product @ e_1 @ e_4 @ e_3))),
% 0.57/1.04      inference('split', [status(esa)], [zip_derived_cl215])).
% 0.57/1.04  thf('13', plain, (( (product @ e_1 @ e_4 @ e_2))),
% 0.57/1.04      inference('sat_resolution*', [status(thm)],
% 0.57/1.04                ['1', '2', '3', '4', '5', '6', '7', '8', '9', '10', '11', '12'])).
% 0.57/1.04  thf(zip_derived_cl1530, plain, ( (product @ e_1 @ e_4 @ e_2)),
% 0.57/1.04      inference('simpl_trail', [status(thm)], [zip_derived_cl789, '13'])).
% 0.57/1.04  thf(zip_derived_cl930, plain,
% 0.57/1.04      (( (product @ e_3 @ e_4 @ e_2)) <= (( (product @ e_3 @ e_4 @ e_2)))),
% 0.57/1.04      inference('split', [status(esa)], [zip_derived_cl926])).
% 0.57/1.04  thf(zip_derived_cl40, plain,
% 0.57/1.04      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i]:
% 0.57/1.04         (~ (product @ X0 @ X1 @ X2)
% 0.57/1.04          | ~ (product @ X3 @ X1 @ X2)
% 0.57/1.04          |  (equalish @ X0 @ X3))),
% 0.57/1.04      inference('cnf', [status(esa)], [product_left_cancellation])).
% 0.57/1.04  thf(zip_derived_cl934, plain,
% 0.57/1.04      ((![X0 : $i]: (~ (product @ X0 @ e_4 @ e_2) |  (equalish @ e_3 @ X0)))
% 0.57/1.04         <= (( (product @ e_3 @ e_4 @ e_2)))),
% 0.57/1.04      inference('s_sup-', [status(thm)], [zip_derived_cl930, zip_derived_cl40])).
% 0.57/1.04  thf(zip_derived_cl1554, plain,
% 0.57/1.04      (( (equalish @ e_3 @ e_1)) <= (( (product @ e_3 @ e_4 @ e_2)))),
% 0.57/1.04      inference('s_sup-', [status(thm)],
% 0.57/1.04                [zip_derived_cl1530, zip_derived_cl934])).
% 0.57/1.04  thf(e_3_is_not_e_1, axiom, (~( equalish @ e_3 @ e_1 ))).
% 0.57/1.04  thf(zip_derived_cl31, plain, (~ (equalish @ e_3 @ e_1)),
% 0.57/1.04      inference('cnf', [status(esa)], [e_3_is_not_e_1])).
% 0.57/1.04  thf('14', plain, (~ ( (product @ e_3 @ e_4 @ e_2))),
% 0.57/1.04      inference('s_sup-', [status(thm)], [zip_derived_cl1554, zip_derived_cl31])).
% 0.57/1.04  thf(zip_derived_cl871, plain,
% 0.57/1.04      ((![X0 : $i]:
% 0.57/1.04          ( (product @ e_3 @ e_4 @ X0) | ~ (product @ e_4 @ X0 @ e_1)))
% 0.57/1.04         <= (( (product @ e_1 @ e_4 @ e_3)))),
% 0.57/1.04      inference('s_sup-', [status(thm)], [zip_derived_cl865, zip_derived_cl42])).
% 0.57/1.04  thf(zip_derived_cl95, plain,
% 0.57/1.04      (![X0 : $i]:
% 0.57/1.04         (~ (group_element @ X0)
% 0.57/1.04          |  (product @ e_1 @ X0 @ e_1)
% 0.57/1.04          |  (product @ e_1 @ X0 @ e_2)
% 0.57/1.04          |  (product @ e_1 @ X0 @ e_3)
% 0.57/1.04          |  (product @ e_1 @ X0 @ e_4))),
% 0.57/1.04      inference('s_sup-', [status(thm)], [zip_derived_cl21, zip_derived_cl37])).
% 0.57/1.04  thf(zip_derived_cl23, plain, ( (group_element @ e_3)),
% 0.57/1.04      inference('cnf', [status(esa)], [element_3])).
% 0.57/1.04  thf(zip_derived_cl214, plain,
% 0.57/1.04      (( (product @ e_1 @ e_3 @ e_4)
% 0.57/1.04        |  (product @ e_1 @ e_3 @ e_3)
% 0.57/1.04        |  (product @ e_1 @ e_3 @ e_2)
% 0.57/1.04        |  (product @ e_1 @ e_3 @ e_1))),
% 0.57/1.04      inference('s_sup+', [status(thm)], [zip_derived_cl95, zip_derived_cl23])).
% 0.57/1.04  thf(zip_derived_cl769, plain,
% 0.57/1.04      (( (product @ e_1 @ e_3 @ e_4)) <= (( (product @ e_1 @ e_3 @ e_4)))),
% 0.57/1.04      inference('split', [status(esa)], [zip_derived_cl214])).
% 0.57/1.04  thf(zip_derived_cl42, plain,
% 0.57/1.04      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i]:
% 0.57/1.04         ( (product @ X0 @ X1 @ X2)
% 0.57/1.04          | ~ (product @ X3 @ X1 @ X0)
% 0.57/1.04          | ~ (product @ X1 @ X2 @ X3))),
% 0.57/1.04      inference('cnf', [status(esa)], [zf_stmt_0])).
% 0.57/1.04  thf(zip_derived_cl776, plain,
% 0.57/1.04      ((![X0 : $i]:
% 0.57/1.04          ( (product @ e_4 @ e_3 @ X0) | ~ (product @ e_3 @ X0 @ e_1)))
% 0.57/1.04         <= (( (product @ e_1 @ e_3 @ e_4)))),
% 0.57/1.04      inference('s_sup-', [status(thm)], [zip_derived_cl769, zip_derived_cl42])).
% 0.57/1.04  thf(zip_derived_cl927, plain,
% 0.57/1.04      ((( (product @ e_3 @ e_4 @ e_3) | ~ (product @ e_3 @ e_1 @ e_1)))
% 0.57/1.04         <= (( (product @ e_1 @ e_3 @ e_4)) & ( (product @ e_1 @ e_4 @ e_3)))),
% 0.57/1.04      inference('s_sup+', [status(thm)], [zip_derived_cl871, zip_derived_cl776])).
% 0.57/1.04  thf(zip_derived_cl936, plain,
% 0.57/1.04      (( (product @ e_3 @ e_4 @ e_3)) <= (( (product @ e_3 @ e_4 @ e_3)))),
% 0.57/1.04      inference('split', [status(esa)], [zip_derived_cl927])).
% 0.57/1.04  thf(zip_derived_cl66, plain,
% 0.57/1.04      (![X0 : $i, X1 : $i]:
% 0.57/1.04         (~ (product @ X0 @ X1 @ X0) |  (equalish @ X0 @ X1))),
% 0.57/1.04      inference('s_sup-', [status(thm)], [zip_derived_cl41, zip_derived_cl39])).
% 0.57/1.04  thf(zip_derived_cl942, plain,
% 0.57/1.04      (( (equalish @ e_3 @ e_4)) <= (( (product @ e_3 @ e_4 @ e_3)))),
% 0.57/1.04      inference('s_sup-', [status(thm)], [zip_derived_cl936, zip_derived_cl66])).
% 0.57/1.04  thf(e_3_is_not_e_4, axiom, (~( equalish @ e_3 @ e_4 ))).
% 0.57/1.04  thf(zip_derived_cl33, plain, (~ (equalish @ e_3 @ e_4)),
% 0.57/1.04      inference('cnf', [status(esa)], [e_3_is_not_e_4])).
% 0.57/1.04  thf('15', plain, (~ ( (product @ e_3 @ e_4 @ e_3))),
% 0.57/1.04      inference('s_sup-', [status(thm)], [zip_derived_cl942, zip_derived_cl33])).
% 0.57/1.04  thf('16', plain,
% 0.57/1.04      (( (product @ e_3 @ e_4 @ e_4)) | ( (product @ e_3 @ e_4 @ e_1)) | 
% 0.57/1.04       ( (product @ e_3 @ e_4 @ e_3)) | ( (product @ e_3 @ e_4 @ e_2))),
% 0.57/1.04      inference('split', [status(esa)], [zip_derived_cl269])).
% 0.57/1.04  thf(zip_derived_cl1209, plain,
% 0.57/1.04      (( (product @ e_2 @ e_4 @ e_1)) <= (( (product @ e_2 @ e_4 @ e_1)))),
% 0.57/1.04      inference('split', [status(esa)], [zip_derived_cl1160])).
% 0.57/1.04  thf(zip_derived_cl916, plain,
% 0.57/1.04      ((![X0 : $i]:
% 0.57/1.04          ( (product @ e_4 @ e_1 @ X0) | ~ (product @ e_1 @ X0 @ e_2)))
% 0.57/1.04         <= (( (product @ e_2 @ e_1 @ e_4)))),
% 0.57/1.04      inference('s_sup-', [status(thm)], [zip_derived_cl909, zip_derived_cl42])).
% 0.57/1.04  thf(zip_derived_cl871, plain,
% 0.57/1.04      ((![X0 : $i]:
% 0.57/1.04          ( (product @ e_3 @ e_4 @ X0) | ~ (product @ e_4 @ X0 @ e_1)))
% 0.57/1.04         <= (( (product @ e_1 @ e_4 @ e_3)))),
% 0.57/1.04      inference('s_sup-', [status(thm)], [zip_derived_cl865, zip_derived_cl42])).
% 0.57/1.04  thf(zip_derived_cl1019, plain,
% 0.57/1.04      (((~ (product @ e_1 @ e_1 @ e_2) |  (product @ e_3 @ e_4 @ e_1)))
% 0.57/1.04         <= (( (product @ e_1 @ e_4 @ e_3)) & ( (product @ e_2 @ e_1 @ e_4)))),
% 0.57/1.04      inference('s_sup-', [status(thm)], [zip_derived_cl916, zip_derived_cl871])).
% 0.57/1.04  thf(zip_derived_cl1023, plain,
% 0.57/1.04      (( (product @ e_3 @ e_4 @ e_1)) <= (( (product @ e_3 @ e_4 @ e_1)))),
% 0.57/1.04      inference('split', [status(esa)], [zip_derived_cl1019])).
% 0.57/1.04  thf(zip_derived_cl40, plain,
% 0.57/1.04      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i]:
% 0.57/1.04         (~ (product @ X0 @ X1 @ X2)
% 0.57/1.04          | ~ (product @ X3 @ X1 @ X2)
% 0.57/1.04          |  (equalish @ X0 @ X3))),
% 0.57/1.04      inference('cnf', [status(esa)], [product_left_cancellation])).
% 0.57/1.04  thf(zip_derived_cl1027, plain,
% 0.57/1.04      ((![X0 : $i]: (~ (product @ X0 @ e_4 @ e_1) |  (equalish @ e_3 @ X0)))
% 0.57/1.04         <= (( (product @ e_3 @ e_4 @ e_1)))),
% 0.57/1.04      inference('s_sup-', [status(thm)], [zip_derived_cl1023, zip_derived_cl40])).
% 0.57/1.04  thf(zip_derived_cl1215, plain,
% 0.57/1.04      (( (equalish @ e_3 @ e_2))
% 0.57/1.04         <= (( (product @ e_2 @ e_4 @ e_1)) & ( (product @ e_3 @ e_4 @ e_1)))),
% 0.57/1.04      inference('s_sup-', [status(thm)],
% 0.57/1.04                [zip_derived_cl1209, zip_derived_cl1027])).
% 0.57/1.04  thf(e_3_is_not_e_2, axiom, (~( equalish @ e_3 @ e_2 ))).
% 0.57/1.04  thf(zip_derived_cl32, plain, (~ (equalish @ e_3 @ e_2)),
% 0.57/1.04      inference('cnf', [status(esa)], [e_3_is_not_e_2])).
% 0.57/1.04  thf('17', plain,
% 0.57/1.04      (~ ( (product @ e_2 @ e_4 @ e_1)) | ~ ( (product @ e_3 @ e_4 @ e_1))),
% 0.57/1.04      inference('s_sup-', [status(thm)], [zip_derived_cl1215, zip_derived_cl32])).
% 0.57/1.04  thf(zip_derived_cl1033, plain,
% 0.57/1.04      (( (product @ e_2 @ e_4 @ e_3)) <= (( (product @ e_2 @ e_4 @ e_3)))),
% 0.57/1.04      inference('split', [status(esa)], [zip_derived_cl253])).
% 0.57/1.04  thf(zip_derived_cl21, plain, ( (group_element @ e_1)),
% 0.57/1.04      inference('cnf', [status(esa)], [element_1])).
% 0.57/1.04  thf(zip_derived_cl96, plain,
% 0.57/1.04      (![X0 : $i]:
% 0.57/1.04         (~ (group_element @ X0)
% 0.57/1.04          |  (product @ e_2 @ X0 @ e_1)
% 0.57/1.04          |  (product @ e_2 @ X0 @ e_2)
% 0.57/1.04          |  (product @ e_2 @ X0 @ e_3)
% 0.57/1.04          |  (product @ e_2 @ X0 @ e_4))),
% 0.57/1.04      inference('s_sup-', [status(thm)], [zip_derived_cl22, zip_derived_cl37])).
% 0.57/1.04  thf(zip_derived_cl250, plain,
% 0.57/1.04      (( (product @ e_2 @ e_1 @ e_1)
% 0.57/1.04        |  (product @ e_2 @ e_1 @ e_2)
% 0.57/1.04        |  (product @ e_2 @ e_1 @ e_3)
% 0.57/1.04        |  (product @ e_2 @ e_1 @ e_4))),
% 0.57/1.04      inference('s_sup-', [status(thm)], [zip_derived_cl21, zip_derived_cl96])).
% 0.57/1.04  thf(zip_derived_cl982, plain,
% 0.57/1.04      (( (product @ e_2 @ e_1 @ e_3)) <= (( (product @ e_2 @ e_1 @ e_3)))),
% 0.57/1.04      inference('split', [status(esa)], [zip_derived_cl250])).
% 0.57/1.04  thf(zip_derived_cl39, plain,
% 0.57/1.04      (![X0 : $i, X1 : $i, X2 : $i, X3 : $i]:
% 0.57/1.04         (~ (product @ X0 @ X1 @ X2)
% 0.57/1.04          | ~ (product @ X0 @ X3 @ X2)
% 0.57/1.04          |  (equalish @ X1 @ X3))),
% 0.57/1.04      inference('cnf', [status(esa)], [product_right_cancellation])).
% 0.57/1.04  thf(zip_derived_cl986, plain,
% 0.57/1.04      ((![X0 : $i]: (~ (product @ e_2 @ X0 @ e_3) |  (equalish @ e_1 @ X0)))
% 0.57/1.04         <= (( (product @ e_2 @ e_1 @ e_3)))),
% 0.57/1.04      inference('s_sup-', [status(thm)], [zip_derived_cl982, zip_derived_cl39])).
% 0.57/1.04  thf(zip_derived_cl1348, plain,
% 0.57/1.04      (( (equalish @ e_1 @ e_4))
% 0.57/1.04         <= (( (product @ e_2 @ e_1 @ e_3)) & ( (product @ e_2 @ e_4 @ e_3)))),
% 0.57/1.04      inference('s_sup-', [status(thm)],
% 0.57/1.04                [zip_derived_cl1033, zip_derived_cl986])).
% 0.57/1.04  thf(zip_derived_cl27, plain, (~ (equalish @ e_1 @ e_4)),
% 0.57/1.04      inference('cnf', [status(esa)], [e_1_is_not_e_4])).
% 0.57/1.04  thf('18', plain,
% 0.57/1.04      (~ ( (product @ e_2 @ e_1 @ e_3)) | ~ ( (product @ e_2 @ e_4 @ e_3))),
% 0.57/1.04      inference('s_sup-', [status(thm)], [zip_derived_cl1348, zip_derived_cl27])).
% 0.57/1.04  thf('19', plain,
% 0.57/1.04      (( (product @ e_2 @ e_4 @ e_3)) | ( (product @ e_2 @ e_4 @ e_1)) | 
% 0.57/1.04       ( (product @ e_2 @ e_4 @ e_4)) | ( (product @ e_2 @ e_4 @ e_2))),
% 0.57/1.04      inference('split', [status(esa)], [zip_derived_cl249])).
% 0.57/1.04  thf('20', plain,
% 0.57/1.04      (( (product @ e_1 @ e_2 @ e_4)) | ( (product @ e_1 @ e_2 @ e_3)) | 
% 0.57/1.04       ( (product @ e_1 @ e_2 @ e_2)) | ( (product @ e_1 @ e_2 @ e_1))),
% 0.57/1.04      inference('split', [status(esa)], [zip_derived_cl213])).
% 0.57/1.04  thf('21', plain,
% 0.57/1.04      (~ ( (product @ e_1 @ e_4 @ e_3)) | ~ ( (product @ e_2 @ e_4 @ e_3))),
% 0.57/1.04      inference('s_sup-', [status(thm)], [zip_derived_cl1174, zip_derived_cl25])).
% 0.57/1.04  thf('22', plain,
% 0.57/1.04      (~ ( (product @ e_2 @ e_4 @ e_1)) | ~ ( (product @ e_1 @ e_2 @ e_4))),
% 0.57/1.04      inference('s_sup-', [status(thm)],
% 0.57/1.04                [zip_derived_cl1209, zip_derived_cl763])).
% 0.57/1.04  thf(zip_derived_cl789, plain,
% 0.57/1.04      (( (product @ e_1 @ e_4 @ e_2)) <= (( (product @ e_1 @ e_4 @ e_2)))),
% 0.57/1.04      inference('split', [status(esa)], [zip_derived_cl215])).
% 0.57/1.04  thf(zip_derived_cl916, plain,
% 0.57/1.04      ((![X0 : $i]:
% 0.57/1.04          ( (product @ e_4 @ e_1 @ X0) | ~ (product @ e_1 @ X0 @ e_2)))
% 0.57/1.04         <= (( (product @ e_2 @ e_1 @ e_4)))),
% 0.57/1.04      inference('s_sup-', [status(thm)], [zip_derived_cl909, zip_derived_cl42])).
% 0.57/1.04  thf(zip_derived_cl66, plain,
% 0.57/1.04      (![X0 : $i, X1 : $i]:
% 0.57/1.04         (~ (product @ X0 @ X1 @ X0) |  (equalish @ X0 @ X1))),
% 0.57/1.04      inference('s_sup-', [status(thm)], [zip_derived_cl41, zip_derived_cl39])).
% 0.57/1.04  thf(zip_derived_cl1014, plain,
% 0.57/1.04      (((~ (product @ e_1 @ e_4 @ e_2) |  (equalish @ e_4 @ e_1)))
% 0.57/1.04         <= (( (product @ e_2 @ e_1 @ e_4)))),
% 0.57/1.04      inference('s_sup-', [status(thm)], [zip_derived_cl916, zip_derived_cl66])).
% 0.57/1.04  thf(zip_derived_cl34, plain, (~ (equalish @ e_4 @ e_1)),
% 0.57/1.04      inference('cnf', [status(esa)], [e_4_is_not_e_1])).
% 0.57/1.04  thf(zip_derived_cl1020, plain,
% 0.57/1.04      ((~ (product @ e_1 @ e_4 @ e_2)) <= (( (product @ e_2 @ e_1 @ e_4)))),
% 0.57/1.04      inference('demod', [status(thm)], [zip_derived_cl1014, zip_derived_cl34])).
% 0.57/1.04  thf('23', plain,
% 0.57/1.04      (~ ( (product @ e_2 @ e_1 @ e_4)) | ~ ( (product @ e_1 @ e_4 @ e_2))),
% 0.57/1.04      inference('s_sup-', [status(thm)],
% 0.57/1.04                [zip_derived_cl789, zip_derived_cl1020])).
% 0.57/1.04  thf(zip_derived_cl911, plain,
% 0.57/1.04      (( (product @ e_2 @ e_1 @ e_2)) <= (( (product @ e_2 @ e_1 @ e_2)))),
% 0.57/1.04      inference('split', [status(esa)], [zip_derived_cl246])).
% 0.57/1.04  thf(zip_derived_cl66, plain,
% 0.57/1.04      (![X0 : $i, X1 : $i]:
% 0.57/1.04         (~ (product @ X0 @ X1 @ X0) |  (equalish @ X0 @ X1))),
% 0.57/1.04      inference('s_sup-', [status(thm)], [zip_derived_cl41, zip_derived_cl39])).
% 0.57/1.04  thf(zip_derived_cl1615, plain,
% 0.57/1.04      (( (equalish @ e_2 @ e_1)) <= (( (product @ e_2 @ e_1 @ e_2)))),
% 0.57/1.04      inference('s_sup-', [status(thm)], [zip_derived_cl911, zip_derived_cl66])).
% 0.57/1.04  thf(zip_derived_cl28, plain, (~ (equalish @ e_2 @ e_1)),
% 0.57/1.04      inference('cnf', [status(esa)], [e_2_is_not_e_1])).
% 0.57/1.04  thf('24', plain, (~ ( (product @ e_2 @ e_1 @ e_2))),
% 0.57/1.04      inference('s_sup-', [status(thm)], [zip_derived_cl1615, zip_derived_cl28])).
% 0.57/1.04  thf('25', plain,
% 0.57/1.04      (( (product @ e_2 @ e_1 @ e_1)) | ( (product @ e_2 @ e_1 @ e_2)) | 
% 0.57/1.04       ( (product @ e_2 @ e_1 @ e_4)) | ( (product @ e_2 @ e_1 @ e_3))),
% 0.57/1.04      inference('split', [status(esa)], [zip_derived_cl246])).
% 0.57/1.04  thf('26', plain, (( (product @ e_2 @ e_1 @ e_1))),
% 0.57/1.04      inference('sat_resolution*', [status(thm)],
% 0.57/1.04                ['0', '14', '15', '16', '17', '18', '19', '2', '3', '20', '5', 
% 0.57/1.04                 '6', '21', '8', '22', '10', '11', '12', '23', '24', '25'])).
% 0.57/1.04  thf(zip_derived_cl1626, plain, ( (product @ e_2 @ e_1 @ e_1)),
% 0.57/1.04      inference('simpl_trail', [status(thm)], [zip_derived_cl912, '26'])).
% 0.57/1.04  thf(zip_derived_cl70, plain,
% 0.57/1.04      (![X0 : $i, X1 : $i]:
% 0.57/1.04         (~ (product @ X1 @ X0 @ X0) |  (equalish @ X0 @ X1))),
% 0.57/1.04      inference('s_sup-', [status(thm)], [zip_derived_cl41, zip_derived_cl40])).
% 0.57/1.04  thf(zip_derived_cl1631, plain, ( (equalish @ e_1 @ e_2)),
% 0.57/1.04      inference('s_sup-', [status(thm)], [zip_derived_cl1626, zip_derived_cl70])).
% 0.57/1.04  thf(zip_derived_cl1675, plain, ($false),
% 0.57/1.04      inference('demod', [status(thm)], [zip_derived_cl25, zip_derived_cl1631])).
% 0.57/1.04  
% 0.57/1.04  % SZS output end Refutation
% 0.57/1.04  
% 0.57/1.04  
% 0.57/1.04  % Terminating...
% 0.58/1.09  % Runner terminated.
% 0.58/1.10  % Zipperpin 1.5 exiting
%------------------------------------------------------------------------------