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Zipperpin---2.1.9999.UNS-Ref.s

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%------------------------------------------------------------------------------
% File     : Zipperpin---2.1.9999
% Problem  : SYN474-1 : TPTP v9.2.0. Released v2.1.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : python3 /export/starexec/sandbox/solver/bin/portfolio.lams.parallel.py %s %d /export/starexec/sandbox/tmp/tmp.XjTHZSvj8d true

% Computer : n016.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 05:05:01 PM UTC 2025

% Result   : Unsatisfiable 7.16s 1.60s
% Output   : Refutation 7.16s
% Verified : 
% SZS Type : -

% Comments : 
%------------------------------------------------------------------------------
%----WARNING: Could not form TPTP format derivation
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.08/0.13  % Problem  : SYN474-1 : TPTP v9.2.0. Released v2.1.0.
% 0.08/0.14  % Command  : python3 /export/starexec/sandbox/solver/bin/portfolio.lams.parallel.py %s %d /export/starexec/sandbox/tmp/tmp.XjTHZSvj8d true
% 0.13/0.35  % Computer : n016.cluster.edu
% 0.13/0.35  % Model    : x86_64 x86_64
% 0.13/0.35  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.13/0.35  % Memory   : 8042.1875MB
% 0.13/0.35  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.13/0.35  % CPULimit : 300
% 0.13/0.35  % WCLimit  : 300
% 0.13/0.35  % DateTime : Wed Oct  1 13:38:08 EDT 2025
% 0.13/0.35  % CPUTime  : 
% 0.13/0.35  % Running portfolio for 300 s
% 0.13/0.35  % File         : /export/starexec/sandbox/benchmark/theBenchmark.p
% 0.13/0.35  % Number of cores: 8
% 0.13/0.36  % Python version: Python 3.6.8
% 0.13/0.36  % Running in FO mode
% 0.57/0.65  % Total configuration time : 435
% 0.57/0.65  % Estimated wc time : 1092
% 0.57/0.65  % Estimated cpu time (7 cpus) : 156.0
% 0.57/0.71  % /export/starexec/sandbox/solver/bin/fo/fo6_bce.sh running for 75s
% 0.57/0.72  % /export/starexec/sandbox/solver/bin/fo/fo3_bce.sh running for 75s
% 0.57/0.73  % /export/starexec/sandbox/solver/bin/fo/fo1_av.sh running for 75s
% 0.57/0.73  % /export/starexec/sandbox/solver/bin/fo/fo7.sh running for 63s
% 0.57/0.73  % /export/starexec/sandbox/solver/bin/fo/fo13.sh running for 50s
% 0.57/0.75  % /export/starexec/sandbox/solver/bin/fo/fo5.sh running for 50s
% 0.57/0.75  % /export/starexec/sandbox/solver/bin/fo/fo4.sh running for 50s
% 7.16/1.60  % Solved by fo/fo1_av.sh.
% 7.16/1.60  % done 2052 iterations in 0.826s
% 7.16/1.60  % SZS status Theorem for '/export/starexec/sandbox/benchmark/theBenchmark.p'
% 7.16/1.60  % SZS output start Refutation
% 7.16/1.60  thf(hskp26_type, type, hskp26: $o).
% 7.16/1.60  thf(hskp21_type, type, hskp21: $o).
% 7.16/1.60  thf(hskp18_type, type, hskp18: $o).
% 7.16/1.60  thf(hskp5_type, type, hskp5: $o).
% 7.16/1.60  thf(hskp2_type, type, hskp2: $o).
% 7.16/1.60  thf(a921_type, type, a921: $i).
% 7.16/1.60  thf(a903_type, type, a903: $i).
% 7.16/1.60  thf(a913_type, type, a913: $i).
% 7.16/1.60  thf(a909_type, type, a909: $i).
% 7.16/1.60  thf(hskp12_type, type, hskp12: $o).
% 7.16/1.60  thf(a957_type, type, a957: $i).
% 7.16/1.60  thf(hskp9_type, type, hskp9: $o).
% 7.16/1.60  thf(c0_1_type, type, c0_1: $i > $o).
% 7.16/1.60  thf(hskp25_type, type, hskp25: $o).
% 7.16/1.60  thf(a899_type, type, a899: $i).
% 7.16/1.60  thf(a937_type, type, a937: $i).
% 7.16/1.60  thf(hskp16_type, type, hskp16: $o).
% 7.16/1.60  thf(a950_type, type, a950: $i).
% 7.16/1.60  thf(a928_type, type, a928: $i).
% 7.16/1.60  thf(a898_type, type, a898: $i).
% 7.16/1.60  thf(hskp28_type, type, hskp28: $o).
% 7.16/1.60  thf(a918_type, type, a918: $i).
% 7.16/1.60  thf(hskp22_type, type, hskp22: $o).
% 7.16/1.60  thf(hskp4_type, type, hskp4: $o).
% 7.16/1.60  thf(hskp23_type, type, hskp23: $o).
% 7.16/1.60  thf(a929_type, type, a929: $i).
% 7.16/1.60  thf(hskp29_type, type, hskp29: $o).
% 7.16/1.60  thf(a958_type, type, a958: $i).
% 7.16/1.60  thf(hskp7_type, type, hskp7: $o).
% 7.16/1.60  thf(a906_type, type, a906: $i).
% 7.16/1.60  thf(c1_1_type, type, c1_1: $i > $o).
% 7.16/1.60  thf(a911_type, type, a911: $i).
% 7.16/1.60  thf(hskp6_type, type, hskp6: $o).
% 7.16/1.60  thf(hskp0_type, type, hskp0: $o).
% 7.16/1.60  thf(a969_type, type, a969: $i).
% 7.16/1.60  thf(a930_type, type, a930: $i).
% 7.16/1.60  thf(a907_type, type, a907: $i).
% 7.16/1.60  thf(a900_type, type, a900: $i).
% 7.16/1.60  thf(a938_type, type, a938: $i).
% 7.16/1.60  thf(hskp30_type, type, hskp30: $o).
% 7.16/1.60  thf(hskp10_type, type, hskp10: $o).
% 7.16/1.60  thf(ndr1_0_type, type, ndr1_0: $o).
% 7.16/1.60  thf(a910_type, type, a910: $i).
% 7.16/1.60  thf(hskp11_type, type, hskp11: $o).
% 7.16/1.60  thf(hskp1_type, type, hskp1: $o).
% 7.16/1.60  thf(c2_1_type, type, c2_1: $i > $o).
% 7.16/1.60  thf(hskp31_type, type, hskp31: $o).
% 7.16/1.60  thf(hskp3_type, type, hskp3: $o).
% 7.16/1.60  thf(hskp14_type, type, hskp14: $o).
% 7.16/1.60  thf(c3_1_type, type, c3_1: $i > $o).
% 7.16/1.60  thf(a914_type, type, a914: $i).
% 7.16/1.60  thf(a939_type, type, a939: $i).
% 7.16/1.60  thf(hskp19_type, type, hskp19: $o).
% 7.16/1.60  thf(a923_type, type, a923: $i).
% 7.16/1.60  thf(hskp20_type, type, hskp20: $o).
% 7.16/1.60  thf(hskp24_type, type, hskp24: $o).
% 7.16/1.60  thf(a905_type, type, a905: $i).
% 7.16/1.60  thf(hskp15_type, type, hskp15: $o).
% 7.16/1.60  thf(hskp13_type, type, hskp13: $o).
% 7.16/1.60  thf(a904_type, type, a904: $i).
% 7.16/1.60  thf(hskp17_type, type, hskp17: $o).
% 7.16/1.60  thf(clause137, conjecture,
% 7.16/1.60    (~( ( hskp1 ) | ( hskp0 ) | ( c2_1 @ U ) | ( c1_1 @ U ) | ( c0_1 @ U ) | 
% 7.16/1.60        ( ~( ndr1_0 ) ) ))).
% 7.16/1.60  thf(zf_stmt_0, negated_conjecture,
% 7.16/1.60    (( hskp1 ) | ( hskp0 ) | ( c2_1 @ U ) | ( c1_1 @ U ) | ( c0_1 @ U ) | 
% 7.16/1.60     ( ~( ndr1_0 ) )),
% 7.16/1.60    inference('cnf.neg', [status(esa)], [clause137])).
% 7.16/1.60  thf(zip_derived_cl136, plain,
% 7.16/1.60      (![X0 : $i]:
% 7.16/1.60         ( (hskp1)
% 7.16/1.60          |  (hskp0)
% 7.16/1.60          |  (c2_1 @ X0)
% 7.16/1.60          |  (c1_1 @ X0)
% 7.16/1.60          |  (c0_1 @ X0)
% 7.16/1.60          | ~ (ndr1_0))),
% 7.16/1.60      inference('cnf', [status(esa)], [zf_stmt_0])).
% 7.16/1.60  thf(zip_derived_cl480, plain,
% 7.16/1.60      ((![X0 : $i]: ( (c2_1 @ X0) |  (c1_1 @ X0) |  (c0_1 @ X0)))
% 7.16/1.60         <= ((![X0 : $i]: ( (c2_1 @ X0) |  (c1_1 @ X0) |  (c0_1 @ X0))))),
% 7.16/1.60      inference('split', [status(esa)], [zip_derived_cl136])).
% 7.16/1.60  thf(clause126, conjecture, (~( ( ~( hskp7 ) ) | ( ~( c1_1 @ a907 ) ) ))).
% 7.16/1.60  thf(zf_stmt_1, negated_conjecture, (( ~( hskp7 ) ) | ( ~( c1_1 @ a907 ) )),
% 7.16/1.60    inference('cnf.neg', [status(esa)], [clause126])).
% 7.16/1.60  thf(zip_derived_cl125, plain, ((~ (hskp7) | ~ (c1_1 @ a907))),
% 7.16/1.60      inference('cnf', [status(esa)], [zf_stmt_1])).
% 7.16/1.60  thf(zip_derived_cl458, plain, ((~ (c1_1 @ a907)) <= (~ ( (c1_1 @ a907)))),
% 7.16/1.60      inference('split', [status(esa)], [zip_derived_cl125])).
% 7.16/1.60  thf(zip_derived_cl1068, plain,
% 7.16/1.60      ((( (c0_1 @ a907) |  (c2_1 @ a907)))
% 7.16/1.60         <= (~ ( (c1_1 @ a907)) & 
% 7.16/1.60             (![X0 : $i]: ( (c2_1 @ X0) |  (c1_1 @ X0) |  (c0_1 @ X0))))),
% 7.16/1.60      inference('s_sup-', [status(thm)], [zip_derived_cl480, zip_derived_cl458])).
% 7.16/1.60  thf('0', plain,
% 7.16/1.60      (( (c2_1 @ a907)) | 
% 7.16/1.60       ~ (![X0 : $i]: ( (c2_1 @ X0) |  (c1_1 @ X0) |  (c0_1 @ X0))) | 
% 7.16/1.60       ( (c1_1 @ a907)) | ( (c0_1 @ a907))),
% 7.16/1.60      inference('split', [status(esa)], [zip_derived_cl1068])).
% 7.16/1.60  thf(clause108, conjecture, (~( ( ~( hskp16 ) ) | ( ~( c3_1 @ a923 ) ) ))).
% 7.16/1.60  thf(zf_stmt_2, negated_conjecture, (( ~( hskp16 ) ) | ( ~( c3_1 @ a923 ) )),
% 7.16/1.60    inference('cnf.neg', [status(esa)], [clause108])).
% 7.16/1.60  thf(zip_derived_cl107, plain, ((~ (hskp16) | ~ (c3_1 @ a923))),
% 7.16/1.60      inference('cnf', [status(esa)], [zf_stmt_2])).
% 7.16/1.60  thf('1', plain, (~ ( (c3_1 @ a923)) | ~ ( (hskp16))),
% 7.16/1.60      inference('split', [status(esa)], [zip_derived_cl107])).
% 7.16/1.60  thf(clause143, conjecture,
% 7.16/1.60    (~( ( hskp1 ) | ( hskp30 ) | ( c2_1 @ U ) | ( c0_1 @ U ) | 
% 7.16/1.60        ( ~( ndr1_0 ) ) | ( ~( c3_1 @ U ) ) ))).
% 7.16/1.60  thf(zf_stmt_3, negated_conjecture,
% 7.16/1.60    (( hskp1 ) | ( hskp30 ) | ( c2_1 @ U ) | ( c0_1 @ U ) | ( ~( ndr1_0 ) ) | 
% 7.16/1.60     ( ~( c3_1 @ U ) )),
% 7.16/1.60    inference('cnf.neg', [status(esa)], [clause143])).
% 7.16/1.60  thf(zip_derived_cl142, plain,
% 7.16/1.60      (![X0 : $i]:
% 7.16/1.60         ( (hskp1)
% 7.16/1.60          |  (hskp30)
% 7.16/1.60          |  (c2_1 @ X0)
% 7.16/1.60          |  (c0_1 @ X0)
% 7.16/1.60          | ~ (ndr1_0)
% 7.16/1.60          | ~ (c3_1 @ X0))),
% 7.16/1.60      inference('cnf', [status(esa)], [zf_stmt_3])).
% 7.16/1.60  thf(zip_derived_cl503, plain,
% 7.16/1.60      ((![X0 : $i]: ( (c2_1 @ X0) |  (c0_1 @ X0) | ~ (c3_1 @ X0)))
% 7.16/1.60         <= ((![X0 : $i]: ( (c2_1 @ X0) |  (c0_1 @ X0) | ~ (c3_1 @ X0))))),
% 7.16/1.60      inference('split', [status(esa)], [zip_derived_cl142])).
% 7.16/1.60  thf(clause125, conjecture, (~( ( ~( hskp7 ) ) | ( ~( c0_1 @ a907 ) ) ))).
% 7.16/1.60  thf(zf_stmt_4, negated_conjecture, (( ~( hskp7 ) ) | ( ~( c0_1 @ a907 ) )),
% 7.16/1.60    inference('cnf.neg', [status(esa)], [clause125])).
% 7.16/1.60  thf(zip_derived_cl124, plain, ((~ (hskp7) | ~ (c0_1 @ a907))),
% 7.16/1.60      inference('cnf', [status(esa)], [zf_stmt_4])).
% 7.16/1.60  thf(zip_derived_cl456, plain, ((~ (c0_1 @ a907)) <= (~ ( (c0_1 @ a907)))),
% 7.16/1.60      inference('split', [status(esa)], [zip_derived_cl124])).
% 7.16/1.60  thf(zip_derived_cl1482, plain,
% 7.16/1.60      (((~ (c3_1 @ a907) |  (c2_1 @ a907)))
% 7.16/1.60         <= (~ ( (c0_1 @ a907)) & 
% 7.16/1.60             (![X0 : $i]: ( (c2_1 @ X0) |  (c0_1 @ X0) | ~ (c3_1 @ X0))))),
% 7.16/1.60      inference('s_sup-', [status(thm)], [zip_derived_cl503, zip_derived_cl456])).
% 7.16/1.60  thf('2', plain,
% 7.16/1.60      (( (c2_1 @ a907)) | 
% 7.16/1.60       ~ (![X0 : $i]: ( (c2_1 @ X0) |  (c0_1 @ X0) | ~ (c3_1 @ X0))) | 
% 7.16/1.60       ( (c0_1 @ a907)) | ~ ( (c3_1 @ a907))),
% 7.16/1.60      inference('split', [status(esa)], [zip_derived_cl1482])).
% 7.16/1.60  thf(clause151, conjecture,
% 7.16/1.60    (~( ( hskp7 ) | ( hskp10 ) | ( c3_1 @ U ) | ( c2_1 @ U ) | 
% 7.16/1.61        ( ~( ndr1_0 ) ) | ( ~( c0_1 @ U ) ) ))).
% 7.16/1.61  thf(zf_stmt_5, negated_conjecture,
% 7.16/1.61    (( hskp7 ) | ( hskp10 ) | ( c3_1 @ U ) | ( c2_1 @ U ) | ( ~( ndr1_0 ) ) | 
% 7.16/1.61     ( ~( c0_1 @ U ) )),
% 7.16/1.61    inference('cnf.neg', [status(esa)], [clause151])).
% 7.16/1.61  thf(zip_derived_cl150, plain,
% 7.16/1.61      (![X0 : $i]:
% 7.16/1.61         ( (hskp7)
% 7.16/1.61          |  (hskp10)
% 7.16/1.61          |  (c3_1 @ X0)
% 7.16/1.61          |  (c2_1 @ X0)
% 7.16/1.61          | ~ (ndr1_0)
% 7.16/1.61          | ~ (c0_1 @ X0))),
% 7.16/1.61      inference('cnf', [status(esa)], [zf_stmt_5])).
% 7.16/1.61  thf('3', plain,
% 7.16/1.61      (( (hskp7)) | ( (hskp10)) | 
% 7.16/1.61       (![X0 : $i]: ( (c2_1 @ X0) | ~ (c0_1 @ X0) |  (c3_1 @ X0))) | 
% 7.16/1.61       ~ ( (ndr1_0))),
% 7.16/1.61      inference('split', [status(esa)], [zip_derived_cl150])).
% 7.16/1.61  thf(clause174, conjecture,
% 7.16/1.61    (~( ( hskp14 ) | ( c0_1 @ V ) | ( c3_1 @ U ) | ( c2_1 @ U ) | 
% 7.16/1.61        ( ~( c2_1 @ V ) ) | ( ~( c1_1 @ V ) ) | ( ~( ndr1_0 ) ) | 
% 7.16/1.61        ( ~( c0_1 @ U ) ) ))).
% 7.16/1.61  thf(zf_stmt_6, negated_conjecture,
% 7.16/1.61    (( hskp14 ) | ( c0_1 @ V ) | ( c3_1 @ U ) | ( c2_1 @ U ) | 
% 7.16/1.61     ( ~( c2_1 @ V ) ) | ( ~( c1_1 @ V ) ) | ( ~( ndr1_0 ) ) | 
% 7.16/1.61     ( ~( c0_1 @ U ) )),
% 7.16/1.61    inference('cnf.neg', [status(esa)], [clause174])).
% 7.16/1.61  thf(zip_derived_cl173, plain,
% 7.16/1.61      (![X0 : $i, X1 : $i]:
% 7.16/1.61         ( (hskp14)
% 7.16/1.61          |  (c0_1 @ X0)
% 7.16/1.61          |  (c3_1 @ X1)
% 7.16/1.61          |  (c2_1 @ X1)
% 7.16/1.61          | ~ (c2_1 @ X0)
% 7.16/1.61          | ~ (c1_1 @ X0)
% 7.16/1.61          | ~ (ndr1_0)
% 7.16/1.61          | ~ (c0_1 @ X1))),
% 7.16/1.61      inference('cnf', [status(esa)], [zf_stmt_6])).
% 7.16/1.61  thf(zip_derived_cl628, plain,
% 7.16/1.61      ((![X0 : $i]: (~ (c2_1 @ X0) | ~ (c1_1 @ X0) |  (c0_1 @ X0)))
% 7.16/1.61         <= ((![X0 : $i]: (~ (c2_1 @ X0) | ~ (c1_1 @ X0) |  (c0_1 @ X0))))),
% 7.16/1.61      inference('split', [status(esa)], [zip_derived_cl173])).
% 7.16/1.61  thf(clause60, conjecture, (~( ( c1_1 @ a939 ) | ( ~( hskp22 ) ) ))).
% 7.16/1.61  thf(zf_stmt_7, negated_conjecture, (( c1_1 @ a939 ) | ( ~( hskp22 ) )),
% 7.16/1.61    inference('cnf.neg', [status(esa)], [clause60])).
% 7.16/1.61  thf(zip_derived_cl59, plain, (( (c1_1 @ a939) | ~ (hskp22))),
% 7.16/1.61      inference('cnf', [status(esa)], [zf_stmt_7])).
% 7.16/1.61  thf(zip_derived_cl326, plain, (( (c1_1 @ a939)) <= (( (c1_1 @ a939)))),
% 7.16/1.61      inference('split', [status(esa)], [zip_derived_cl59])).
% 7.16/1.61  thf(zip_derived_cl1361, plain,
% 7.16/1.61      ((( (c0_1 @ a939) | ~ (c2_1 @ a939)))
% 7.16/1.61         <= (( (c1_1 @ a939)) & 
% 7.16/1.61             (![X0 : $i]: (~ (c2_1 @ X0) | ~ (c1_1 @ X0) |  (c0_1 @ X0))))),
% 7.16/1.61      inference('s_sup+', [status(thm)], [zip_derived_cl628, zip_derived_cl326])).
% 7.16/1.61  thf('4', plain,
% 7.16/1.61      (~ (![X0 : $i]: (~ (c2_1 @ X0) | ~ (c1_1 @ X0) |  (c0_1 @ X0))) | 
% 7.16/1.61       ~ ( (c2_1 @ a939)) | ~ ( (c1_1 @ a939)) | ( (c0_1 @ a939))),
% 7.16/1.61      inference('split', [status(esa)], [zip_derived_cl1361])).
% 7.16/1.61  thf(clause165, conjecture,
% 7.16/1.61    (~( ( hskp12 ) | ( c2_1 @ V ) | ( c1_1 @ V ) | ( c3_1 @ U ) | 
% 7.16/1.61        ( c1_1 @ U ) | ( ~( c3_1 @ V ) ) | ( ~( ndr1_0 ) ) | ( ~( c2_1 @ U ) ) ))).
% 7.16/1.61  thf(zf_stmt_8, negated_conjecture,
% 7.16/1.61    (( hskp12 ) | ( c2_1 @ V ) | ( c1_1 @ V ) | ( c3_1 @ U ) | ( c1_1 @ U ) | 
% 7.16/1.61     ( ~( c3_1 @ V ) ) | ( ~( ndr1_0 ) ) | ( ~( c2_1 @ U ) )),
% 7.16/1.61    inference('cnf.neg', [status(esa)], [clause165])).
% 7.16/1.61  thf(zip_derived_cl164, plain,
% 7.16/1.61      (![X0 : $i, X1 : $i]:
% 7.16/1.61         ( (hskp12)
% 7.16/1.61          |  (c2_1 @ X0)
% 7.16/1.61          |  (c1_1 @ X0)
% 7.16/1.61          |  (c3_1 @ X1)
% 7.16/1.61          |  (c1_1 @ X1)
% 7.16/1.61          | ~ (c3_1 @ X0)
% 7.16/1.61          | ~ (ndr1_0)
% 7.16/1.61          | ~ (c2_1 @ X1))),
% 7.16/1.61      inference('cnf', [status(esa)], [zf_stmt_8])).
% 7.16/1.61  thf('5', plain,
% 7.16/1.61      (( (hskp12)) | 
% 7.16/1.61       (![X0 : $i]: ( (c2_1 @ X0) |  (c1_1 @ X0) | ~ (c3_1 @ X0))) | 
% 7.16/1.61       ~ ( (ndr1_0)) | 
% 7.16/1.61       (![X0 : $i]: (~ (c2_1 @ X0) |  (c1_1 @ X0) |  (c3_1 @ X0)))),
% 7.16/1.61      inference('split', [status(esa)], [zip_derived_cl164])).
% 7.16/1.61  thf(clause177, conjecture,
% 7.16/1.61    (~( ( hskp22 ) | ( c2_1 @ V ) | ( c1_1 @ V ) | ( c2_1 @ U ) | 
% 7.16/1.61        ( ~( c0_1 @ V ) ) | ( ~( ndr1_0 ) ) | ( ~( c3_1 @ U ) ) | 
% 7.16/1.61        ( ~( c0_1 @ U ) ) ))).
% 7.16/1.61  thf(zf_stmt_9, negated_conjecture,
% 7.16/1.61    (( hskp22 ) | ( c2_1 @ V ) | ( c1_1 @ V ) | ( c2_1 @ U ) | 
% 7.16/1.61     ( ~( c0_1 @ V ) ) | ( ~( ndr1_0 ) ) | ( ~( c3_1 @ U ) ) | 
% 7.16/1.61     ( ~( c0_1 @ U ) )),
% 7.16/1.61    inference('cnf.neg', [status(esa)], [clause177])).
% 7.16/1.61  thf(zip_derived_cl176, plain,
% 7.16/1.61      (![X0 : $i, X1 : $i]:
% 7.16/1.61         ( (hskp22)
% 7.16/1.61          |  (c2_1 @ X0)
% 7.16/1.61          |  (c1_1 @ X0)
% 7.16/1.61          |  (c2_1 @ X1)
% 7.16/1.61          | ~ (c0_1 @ X0)
% 7.16/1.61          | ~ (ndr1_0)
% 7.16/1.61          | ~ (c3_1 @ X1)
% 7.16/1.61          | ~ (c0_1 @ X1))),
% 7.16/1.61      inference('cnf', [status(esa)], [zf_stmt_9])).
% 7.16/1.61  thf('6', plain,
% 7.16/1.61      (( (hskp22)) | 
% 7.16/1.61       (![X0 : $i]: ( (c2_1 @ X0) |  (c1_1 @ X0) | ~ (c0_1 @ X0))) | 
% 7.16/1.61       ~ ( (ndr1_0)) | 
% 7.16/1.61       (![X0 : $i]: ( (c2_1 @ X0) | ~ (c0_1 @ X0) | ~ (c3_1 @ X0)))),
% 7.16/1.61      inference('split', [status(esa)], [zip_derived_cl176])).
% 7.16/1.61  thf(clause176, conjecture,
% 7.16/1.61    (~( ( hskp22 ) | ( c2_1 @ V ) | ( c1_1 @ V ) | ( c1_1 @ U ) | 
% 7.16/1.61        ( ~( c0_1 @ V ) ) | ( ~( ndr1_0 ) ) | ( ~( c3_1 @ U ) ) | 
% 7.16/1.61        ( ~( c2_1 @ U ) ) ))).
% 7.16/1.61  thf(zf_stmt_10, negated_conjecture,
% 7.16/1.61    (( hskp22 ) | ( c2_1 @ V ) | ( c1_1 @ V ) | ( c1_1 @ U ) | 
% 7.16/1.61     ( ~( c0_1 @ V ) ) | ( ~( ndr1_0 ) ) | ( ~( c3_1 @ U ) ) | 
% 7.16/1.61     ( ~( c2_1 @ U ) )),
% 7.16/1.61    inference('cnf.neg', [status(esa)], [clause176])).
% 7.16/1.61  thf(zip_derived_cl175, plain,
% 7.16/1.61      (![X0 : $i, X1 : $i]:
% 7.16/1.61         ( (hskp22)
% 7.16/1.61          |  (c2_1 @ X0)
% 7.16/1.61          |  (c1_1 @ X0)
% 7.16/1.61          |  (c1_1 @ X1)
% 7.16/1.61          | ~ (c0_1 @ X0)
% 7.16/1.61          | ~ (ndr1_0)
% 7.16/1.61          | ~ (c3_1 @ X1)
% 7.16/1.61          | ~ (c2_1 @ X1))),
% 7.16/1.61      inference('cnf', [status(esa)], [zf_stmt_10])).
% 7.16/1.61  thf(zip_derived_cl636, plain,
% 7.16/1.61      ((![X0 : $i]: ( (c2_1 @ X0) |  (c1_1 @ X0) | ~ (c0_1 @ X0)))
% 7.16/1.61         <= ((![X0 : $i]: ( (c2_1 @ X0) |  (c1_1 @ X0) | ~ (c0_1 @ X0))))),
% 7.16/1.61      inference('split', [status(esa)], [zip_derived_cl175])).
% 7.16/1.61  thf(clause111, conjecture, (~( ( ~( hskp13 ) ) | ( ~( c1_1 @ a914 ) ) ))).
% 7.16/1.61  thf(zf_stmt_11, negated_conjecture, (( ~( hskp13 ) ) | ( ~( c1_1 @ a914 ) )),
% 7.16/1.61    inference('cnf.neg', [status(esa)], [clause111])).
% 7.16/1.61  thf(zip_derived_cl110, plain, ((~ (hskp13) | ~ (c1_1 @ a914))),
% 7.16/1.61      inference('cnf', [status(esa)], [zf_stmt_11])).
% 7.16/1.61  thf(zip_derived_cl428, plain, ((~ (c1_1 @ a914)) <= (~ ( (c1_1 @ a914)))),
% 7.16/1.61      inference('split', [status(esa)], [zip_derived_cl110])).
% 7.16/1.61  thf(zip_derived_cl2261, plain,
% 7.16/1.61      (((~ (c0_1 @ a914) |  (c2_1 @ a914)))
% 7.16/1.61         <= (~ ( (c1_1 @ a914)) & 
% 7.16/1.61             (![X0 : $i]: ( (c2_1 @ X0) |  (c1_1 @ X0) | ~ (c0_1 @ X0))))),
% 7.16/1.61      inference('s_sup-', [status(thm)], [zip_derived_cl636, zip_derived_cl428])).
% 7.16/1.61  thf('7', plain,
% 7.16/1.61      (~ (![X0 : $i]: ( (c2_1 @ X0) |  (c1_1 @ X0) | ~ (c0_1 @ X0))) | 
% 7.16/1.61       ~ ( (c0_1 @ a914)) | ( (c1_1 @ a914)) | ( (c2_1 @ a914))),
% 7.16/1.61      inference('split', [status(esa)], [zip_derived_cl2261])).
% 7.16/1.61  thf(clause159, conjecture,
% 7.16/1.61    (~( ( hskp10 ) | ( hskp16 ) | ( c3_1 @ U ) | ( ~( ndr1_0 ) ) | 
% 7.16/1.61        ( ~( c2_1 @ U ) ) | ( ~( c0_1 @ U ) ) ))).
% 7.16/1.61  thf(zf_stmt_12, negated_conjecture,
% 7.16/1.61    (( hskp10 ) | ( hskp16 ) | ( c3_1 @ U ) | ( ~( ndr1_0 ) ) | 
% 7.16/1.61     ( ~( c2_1 @ U ) ) | ( ~( c0_1 @ U ) )),
% 7.16/1.61    inference('cnf.neg', [status(esa)], [clause159])).
% 7.16/1.61  thf(zip_derived_cl158, plain,
% 7.16/1.61      (![X0 : $i]:
% 7.16/1.61         ( (hskp10)
% 7.16/1.61          |  (hskp16)
% 7.16/1.61          |  (c3_1 @ X0)
% 7.16/1.61          | ~ (ndr1_0)
% 7.16/1.61          | ~ (c2_1 @ X0)
% 7.16/1.61          | ~ (c0_1 @ X0))),
% 7.16/1.61      inference('cnf', [status(esa)], [zf_stmt_12])).
% 7.16/1.61  thf(zip_derived_cl567, plain,
% 7.16/1.61      ((![X0 : $i]: (~ (c2_1 @ X0) | ~ (c0_1 @ X0) |  (c3_1 @ X0)))
% 7.16/1.61         <= ((![X0 : $i]: (~ (c2_1 @ X0) | ~ (c0_1 @ X0) |  (c3_1 @ X0))))),
% 7.16/1.61      inference('split', [status(esa)], [zip_derived_cl158])).
% 7.16/1.61  thf(clause64, conjecture, (~( ( c0_1 @ a929 ) | ( ~( hskp18 ) ) ))).
% 7.16/1.61  thf(zf_stmt_13, negated_conjecture, (( c0_1 @ a929 ) | ( ~( hskp18 ) )),
% 7.16/1.61    inference('cnf.neg', [status(esa)], [clause64])).
% 7.16/1.61  thf(zip_derived_cl63, plain, (( (c0_1 @ a929) | ~ (hskp18))),
% 7.16/1.61      inference('cnf', [status(esa)], [zf_stmt_13])).
% 7.16/1.61  thf(zip_derived_cl334, plain, (( (c0_1 @ a929)) <= (( (c0_1 @ a929)))),
% 7.16/1.61      inference('split', [status(esa)], [zip_derived_cl63])).
% 7.16/1.61  thf(zip_derived_cl1211, plain,
% 7.16/1.61      ((( (c3_1 @ a929) | ~ (c2_1 @ a929)))
% 7.16/1.61         <= (( (c0_1 @ a929)) & 
% 7.16/1.61             (![X0 : $i]: (~ (c2_1 @ X0) | ~ (c0_1 @ X0) |  (c3_1 @ X0))))),
% 7.16/1.61      inference('s_sup+', [status(thm)], [zip_derived_cl567, zip_derived_cl334])).
% 7.16/1.61  thf('8', plain,
% 7.16/1.61      (~ (![X0 : $i]: (~ (c2_1 @ X0) | ~ (c0_1 @ X0) |  (c3_1 @ X0))) | 
% 7.16/1.61       ( (c3_1 @ a929)) | ~ ( (c0_1 @ a929)) | ~ ( (c2_1 @ a929))),
% 7.16/1.61      inference('split', [status(esa)], [zip_derived_cl1211])).
% 7.16/1.61  thf(clause150, conjecture,
% 7.16/1.61    (~( ( hskp15 ) | ( hskp29 ) | ( c3_1 @ U ) | ( c1_1 @ U ) | 
% 7.16/1.61        ( ~( ndr1_0 ) ) | ( ~( c2_1 @ U ) ) ))).
% 7.16/1.61  thf(zf_stmt_14, negated_conjecture,
% 7.16/1.61    (( hskp15 ) | ( hskp29 ) | ( c3_1 @ U ) | ( c1_1 @ U ) | ( ~( ndr1_0 ) ) | 
% 7.16/1.61     ( ~( c2_1 @ U ) )),
% 7.16/1.61    inference('cnf.neg', [status(esa)], [clause150])).
% 7.16/1.61  thf(zip_derived_cl149, plain,
% 7.16/1.61      (![X0 : $i]:
% 7.16/1.61         ( (hskp15)
% 7.16/1.61          |  (hskp29)
% 7.16/1.61          |  (c3_1 @ X0)
% 7.16/1.61          |  (c1_1 @ X0)
% 7.16/1.61          | ~ (ndr1_0)
% 7.16/1.61          | ~ (c2_1 @ X0))),
% 7.16/1.61      inference('cnf', [status(esa)], [zf_stmt_14])).
% 7.16/1.61  thf(zip_derived_cl531, plain,
% 7.16/1.61      ((![X0 : $i]: (~ (c2_1 @ X0) |  (c1_1 @ X0) |  (c3_1 @ X0)))
% 7.16/1.61         <= ((![X0 : $i]: (~ (c2_1 @ X0) |  (c1_1 @ X0) |  (c3_1 @ X0))))),
% 7.16/1.61      inference('split', [status(esa)], [zip_derived_cl149])).
% 7.16/1.61  thf(clause105, conjecture, (~( ( ~( hskp18 ) ) | ( ~( c1_1 @ a929 ) ) ))).
% 7.16/1.61  thf(zf_stmt_15, negated_conjecture, (( ~( hskp18 ) ) | ( ~( c1_1 @ a929 ) )),
% 7.16/1.61    inference('cnf.neg', [status(esa)], [clause105])).
% 7.16/1.61  thf(zip_derived_cl104, plain, ((~ (hskp18) | ~ (c1_1 @ a929))),
% 7.16/1.61      inference('cnf', [status(esa)], [zf_stmt_15])).
% 7.16/1.61  thf(zip_derived_cl416, plain, ((~ (c1_1 @ a929)) <= (~ ( (c1_1 @ a929)))),
% 7.16/1.61      inference('split', [status(esa)], [zip_derived_cl104])).
% 7.16/1.61  thf(zip_derived_cl1998, plain,
% 7.16/1.61      ((( (c3_1 @ a929) | ~ (c2_1 @ a929)))
% 7.16/1.61         <= (~ ( (c1_1 @ a929)) & 
% 7.16/1.61             (![X0 : $i]: (~ (c2_1 @ X0) |  (c1_1 @ X0) |  (c3_1 @ X0))))),
% 7.16/1.61      inference('s_sup-', [status(thm)], [zip_derived_cl531, zip_derived_cl416])).
% 7.16/1.61  thf('9', plain,
% 7.16/1.61      (~ (![X0 : $i]: (~ (c2_1 @ X0) |  (c1_1 @ X0) |  (c3_1 @ X0))) | 
% 7.16/1.61       ( (c3_1 @ a929)) | ( (c1_1 @ a929)) | ~ ( (c2_1 @ a929))),
% 7.16/1.61      inference('split', [status(esa)], [zip_derived_cl1998])).
% 7.16/1.61  thf(zip_derived_cl334, plain, (( (c0_1 @ a929)) <= (( (c0_1 @ a929)))),
% 7.16/1.61      inference('split', [status(esa)], [zip_derived_cl63])).
% 7.16/1.61  thf(clause160, conjecture,
% 7.16/1.61    (~( ( hskp2 ) | ( hskp13 ) | ( ~( ndr1_0 ) ) | ( ~( c3_1 @ U ) ) | 
% 7.16/1.61        ( ~( c2_1 @ U ) ) | ( ~( c0_1 @ U ) ) ))).
% 7.16/1.61  thf(zf_stmt_16, negated_conjecture,
% 7.16/1.61    (( hskp2 ) | ( hskp13 ) | ( ~( ndr1_0 ) ) | ( ~( c3_1 @ U ) ) | 
% 7.16/1.61     ( ~( c2_1 @ U ) ) | ( ~( c0_1 @ U ) )),
% 7.16/1.61    inference('cnf.neg', [status(esa)], [clause160])).
% 7.16/1.61  thf(zip_derived_cl159, plain,
% 7.16/1.61      (![X0 : $i]:
% 7.16/1.61         ( (hskp2)
% 7.16/1.61          |  (hskp13)
% 7.16/1.61          | ~ (ndr1_0)
% 7.16/1.61          | ~ (c3_1 @ X0)
% 7.16/1.61          | ~ (c2_1 @ X0)
% 7.16/1.61          | ~ (c0_1 @ X0))),
% 7.16/1.61      inference('cnf', [status(esa)], [zf_stmt_16])).
% 7.16/1.61  thf(zip_derived_cl571, plain,
% 7.16/1.61      ((![X0 : $i]: (~ (c2_1 @ X0) | ~ (c0_1 @ X0) | ~ (c3_1 @ X0)))
% 7.16/1.61         <= ((![X0 : $i]: (~ (c2_1 @ X0) | ~ (c0_1 @ X0) | ~ (c3_1 @ X0))))),
% 7.16/1.61      inference('split', [status(esa)], [zip_derived_cl159])).
% 7.16/1.61  thf(zip_derived_cl903, plain,
% 7.16/1.61      (((~ (c2_1 @ a929) | ~ (c3_1 @ a929)))
% 7.16/1.61         <= (( (c0_1 @ a929)) & 
% 7.16/1.61             (![X0 : $i]: (~ (c2_1 @ X0) | ~ (c0_1 @ X0) | ~ (c3_1 @ X0))))),
% 7.16/1.61      inference('s_sup-', [status(thm)], [zip_derived_cl334, zip_derived_cl571])).
% 7.16/1.61  thf('10', plain,
% 7.16/1.61      (~ ( (c3_1 @ a929)) | 
% 7.16/1.61       ~ (![X0 : $i]: (~ (c2_1 @ X0) | ~ (c0_1 @ X0) | ~ (c3_1 @ X0))) | 
% 7.16/1.61       ~ ( (c2_1 @ a929)) | ~ ( (c0_1 @ a929))),
% 7.16/1.61      inference('split', [status(esa)], [zip_derived_cl903])).
% 7.16/1.61  thf(clause200, conjecture,
% 7.16/1.61    (~( ( c1_1 @ W ) | ( c3_1 @ V ) | ( c2_1 @ V ) | ( c2_1 @ U ) | 
% 7.16/1.61        ( ~( c2_1 @ W ) ) | ( ~( c0_1 @ W ) ) | ( ~( c0_1 @ V ) ) | 
% 7.16/1.61        ( ~( ndr1_0 ) ) | ( ~( c3_1 @ U ) ) | ( ~( c1_1 @ U ) ) ))).
% 7.16/1.61  thf(zf_stmt_17, negated_conjecture,
% 7.16/1.61    (( c1_1 @ W ) | ( c3_1 @ V ) | ( c2_1 @ V ) | ( c2_1 @ U ) | 
% 7.16/1.61     ( ~( c2_1 @ W ) ) | ( ~( c0_1 @ W ) ) | ( ~( c0_1 @ V ) ) | 
% 7.16/1.61     ( ~( ndr1_0 ) ) | ( ~( c3_1 @ U ) ) | ( ~( c1_1 @ U ) )),
% 7.16/1.61    inference('cnf.neg', [status(esa)], [clause200])).
% 7.16/1.61  thf(zip_derived_cl199, plain,
% 7.16/1.61      (![X0 : $i, X1 : $i, X2 : $i]:
% 7.16/1.61         ( (c1_1 @ X0)
% 7.16/1.61          |  (c3_1 @ X1)
% 7.16/1.61          |  (c2_1 @ X1)
% 7.16/1.61          |  (c2_1 @ X2)
% 7.16/1.61          | ~ (c2_1 @ X0)
% 7.16/1.61          | ~ (c0_1 @ X0)
% 7.16/1.61          | ~ (c0_1 @ X1)
% 7.16/1.61          | ~ (ndr1_0)
% 7.16/1.61          | ~ (c3_1 @ X2)
% 7.16/1.61          | ~ (c1_1 @ X2))),
% 7.16/1.61      inference('cnf', [status(esa)], [zf_stmt_17])).
% 7.16/1.61  thf('11', plain,
% 7.16/1.61      ((![X0 : $i]: ( (c2_1 @ X0) | ~ (c1_1 @ X0) | ~ (c3_1 @ X0))) | 
% 7.16/1.61       (![X0 : $i]: ( (c2_1 @ X0) | ~ (c0_1 @ X0) |  (c3_1 @ X0))) | 
% 7.16/1.61       ~ ( (ndr1_0)) | 
% 7.16/1.61       (![X1 : $i]: (~ (c2_1 @ X1) |  (c1_1 @ X1) | ~ (c0_1 @ X1)))),
% 7.16/1.61      inference('split', [status(esa)], [zip_derived_cl199])).
% 7.16/1.61  thf(clause193, conjecture,
% 7.16/1.61    (~( ( c2_1 @ V ) | ( c0_1 @ V ) | ( c0_1 @ U ) | ( c3_1 @ W ) | 
% 7.16/1.61        ( c2_1 @ W ) | ( c1_1 @ W ) | ( ~( c1_1 @ V ) ) | ( ~( c3_1 @ U ) ) | 
% 7.16/1.61        ( ~( c2_1 @ U ) ) | ( ~( ndr1_0 ) ) ))).
% 7.16/1.61  thf(zf_stmt_18, negated_conjecture,
% 7.16/1.61    (( c2_1 @ V ) | ( c0_1 @ V ) | ( c0_1 @ U ) | ( c3_1 @ W ) | 
% 7.16/1.61     ( c2_1 @ W ) | ( c1_1 @ W ) | ( ~( c1_1 @ V ) ) | ( ~( c3_1 @ U ) ) | 
% 7.16/1.61     ( ~( c2_1 @ U ) ) | ( ~( ndr1_0 ) )),
% 7.16/1.61    inference('cnf.neg', [status(esa)], [clause193])).
% 7.16/1.61  thf(zip_derived_cl192, plain,
% 7.16/1.61      (![X0 : $i, X1 : $i, X2 : $i]:
% 7.16/1.61         ( (c2_1 @ X0)
% 7.16/1.61          |  (c0_1 @ X0)
% 7.16/1.61          |  (c0_1 @ X1)
% 7.16/1.61          |  (c3_1 @ X2)
% 7.16/1.61          |  (c2_1 @ X2)
% 7.16/1.61          |  (c1_1 @ X2)
% 7.16/1.61          | ~ (c1_1 @ X0)
% 7.16/1.61          | ~ (c3_1 @ X1)
% 7.16/1.61          | ~ (c2_1 @ X1)
% 7.16/1.61          | ~ (ndr1_0))),
% 7.16/1.61      inference('cnf', [status(esa)], [zf_stmt_18])).
% 7.16/1.61  thf(zip_derived_cl704, plain,
% 7.16/1.61      ((![X1 : $i]: (~ (c3_1 @ X1) | ~ (c2_1 @ X1) |  (c0_1 @ X1)))
% 7.16/1.61         <= ((![X1 : $i]: (~ (c3_1 @ X1) | ~ (c2_1 @ X1) |  (c0_1 @ X1))))),
% 7.16/1.61      inference('split', [status(esa)], [zip_derived_cl192])).
% 7.16/1.61  thf(zip_derived_cl456, plain, ((~ (c0_1 @ a907)) <= (~ ( (c0_1 @ a907)))),
% 7.16/1.61      inference('split', [status(esa)], [zip_derived_cl124])).
% 7.16/1.61  thf(zip_derived_cl1723, plain,
% 7.16/1.61      (((~ (c2_1 @ a907) | ~ (c3_1 @ a907)))
% 7.16/1.61         <= (~ ( (c0_1 @ a907)) & 
% 7.16/1.61             (![X1 : $i]: (~ (c3_1 @ X1) | ~ (c2_1 @ X1) |  (c0_1 @ X1))))),
% 7.16/1.61      inference('s_sup-', [status(thm)], [zip_derived_cl704, zip_derived_cl456])).
% 7.16/1.61  thf('12', plain,
% 7.16/1.61      (~ (![X1 : $i]: (~ (c3_1 @ X1) | ~ (c2_1 @ X1) |  (c0_1 @ X1))) | 
% 7.16/1.61       ~ ( (c2_1 @ a907)) | ~ ( (c3_1 @ a907)) | ( (c0_1 @ a907))),
% 7.16/1.61      inference('split', [status(esa)], [zip_derived_cl1723])).
% 7.16/1.61  thf(clause154, conjecture,
% 7.16/1.61    (~( ( hskp20 ) | ( hskp1 ) | ( c2_1 @ U ) | ( ~( ndr1_0 ) ) | 
% 7.16/1.61        ( ~( c1_1 @ U ) ) | ( ~( c0_1 @ U ) ) ))).
% 7.16/1.61  thf(zf_stmt_19, negated_conjecture,
% 7.16/1.61    (( hskp20 ) | ( hskp1 ) | ( c2_1 @ U ) | ( ~( ndr1_0 ) ) | 
% 7.16/1.61     ( ~( c1_1 @ U ) ) | ( ~( c0_1 @ U ) )),
% 7.16/1.61    inference('cnf.neg', [status(esa)], [clause154])).
% 7.16/1.61  thf(zip_derived_cl153, plain,
% 7.16/1.61      (![X0 : $i]:
% 7.16/1.61         ( (hskp20)
% 7.16/1.61          |  (hskp1)
% 7.16/1.61          |  (c2_1 @ X0)
% 7.16/1.61          | ~ (ndr1_0)
% 7.16/1.61          | ~ (c1_1 @ X0)
% 7.16/1.61          | ~ (c0_1 @ X0))),
% 7.16/1.61      inference('cnf', [status(esa)], [zf_stmt_19])).
% 7.16/1.61  thf(zip_derived_cl547, plain,
% 7.16/1.61      ((![X0 : $i]: ( (c2_1 @ X0) | ~ (c1_1 @ X0) | ~ (c0_1 @ X0)))
% 7.16/1.61         <= ((![X0 : $i]: ( (c2_1 @ X0) | ~ (c1_1 @ X0) | ~ (c0_1 @ X0))))),
% 7.16/1.61      inference('split', [status(esa)], [zip_derived_cl153])).
% 7.16/1.61  thf(clause48, conjecture, (~( ( c1_1 @ a911 ) | ( ~( hskp29 ) ) ))).
% 7.16/1.61  thf(zf_stmt_20, negated_conjecture, (( c1_1 @ a911 ) | ( ~( hskp29 ) )),
% 7.16/1.61    inference('cnf.neg', [status(esa)], [clause48])).
% 7.16/1.61  thf(zip_derived_cl47, plain, (( (c1_1 @ a911) | ~ (hskp29))),
% 7.16/1.61      inference('cnf', [status(esa)], [zf_stmt_20])).
% 7.16/1.61  thf(zip_derived_cl302, plain, (( (c1_1 @ a911)) <= (( (c1_1 @ a911)))),
% 7.16/1.61      inference('split', [status(esa)], [zip_derived_cl47])).
% 7.16/1.61  thf(zip_derived_cl1023, plain,
% 7.16/1.61      (((~ (c0_1 @ a911) |  (c2_1 @ a911)))
% 7.16/1.61         <= (( (c1_1 @ a911)) & 
% 7.16/1.61             (![X0 : $i]: ( (c2_1 @ X0) | ~ (c1_1 @ X0) | ~ (c0_1 @ X0))))),
% 7.16/1.61      inference('s_sup+', [status(thm)], [zip_derived_cl547, zip_derived_cl302])).
% 7.16/1.61  thf('13', plain,
% 7.16/1.61      (( (c2_1 @ a911)) | ~ ( (c0_1 @ a911)) | 
% 7.16/1.61       ~ (![X0 : $i]: ( (c2_1 @ X0) | ~ (c1_1 @ X0) | ~ (c0_1 @ X0))) | 
% 7.16/1.61       ~ ( (c1_1 @ a911))),
% 7.16/1.61      inference('split', [status(esa)], [zip_derived_cl1023])).
% 7.16/1.61  thf(clause155, conjecture,
% 7.16/1.61    (~( ( hskp5 ) | ( hskp1 ) | ( c2_1 @ U ) | ( ~( ndr1_0 ) ) | 
% 7.16/1.61        ( ~( c3_1 @ U ) ) | ( ~( c0_1 @ U ) ) ))).
% 7.16/1.61  thf(zf_stmt_21, negated_conjecture,
% 7.16/1.61    (( hskp5 ) | ( hskp1 ) | ( c2_1 @ U ) | ( ~( ndr1_0 ) ) | 
% 7.16/1.61     ( ~( c3_1 @ U ) ) | ( ~( c0_1 @ U ) )),
% 7.16/1.61    inference('cnf.neg', [status(esa)], [clause155])).
% 7.16/1.61  thf(zip_derived_cl154, plain,
% 7.16/1.61      (![X0 : $i]:
% 7.16/1.61         ( (hskp5)
% 7.16/1.61          |  (hskp1)
% 7.16/1.61          |  (c2_1 @ X0)
% 7.16/1.61          | ~ (ndr1_0)
% 7.16/1.61          | ~ (c3_1 @ X0)
% 7.16/1.61          | ~ (c0_1 @ X0))),
% 7.16/1.61      inference('cnf', [status(esa)], [zf_stmt_21])).
% 7.16/1.61  thf(zip_derived_cl551, plain,
% 7.16/1.61      ((![X0 : $i]: ( (c2_1 @ X0) | ~ (c0_1 @ X0) | ~ (c3_1 @ X0)))
% 7.16/1.61         <= ((![X0 : $i]: ( (c2_1 @ X0) | ~ (c0_1 @ X0) | ~ (c3_1 @ X0))))),
% 7.16/1.61      inference('split', [status(esa)], [zip_derived_cl154])).
% 7.16/1.61  thf(clause71, conjecture, (~( ( c0_1 @ a918 ) | ( ~( hskp14 ) ) ))).
% 7.16/1.61  thf(zf_stmt_22, negated_conjecture, (( c0_1 @ a918 ) | ( ~( hskp14 ) )),
% 7.16/1.61    inference('cnf.neg', [status(esa)], [clause71])).
% 7.16/1.61  thf(zip_derived_cl70, plain, (( (c0_1 @ a918) | ~ (hskp14))),
% 7.16/1.61      inference('cnf', [status(esa)], [zf_stmt_22])).
% 7.16/1.61  thf(zip_derived_cl348, plain, (( (c0_1 @ a918)) <= (( (c0_1 @ a918)))),
% 7.16/1.61      inference('split', [status(esa)], [zip_derived_cl70])).
% 7.16/1.61  thf(zip_derived_cl1093, plain,
% 7.16/1.61      (((~ (c3_1 @ a918) |  (c2_1 @ a918)))
% 7.16/1.61         <= (( (c0_1 @ a918)) & 
% 7.16/1.61             (![X0 : $i]: ( (c2_1 @ X0) | ~ (c0_1 @ X0) | ~ (c3_1 @ X0))))),
% 7.16/1.61      inference('s_sup+', [status(thm)], [zip_derived_cl551, zip_derived_cl348])).
% 7.16/1.61  thf('14', plain,
% 7.16/1.61      (( (c2_1 @ a918)) | ~ ( (c0_1 @ a918)) | 
% 7.16/1.61       ~ (![X0 : $i]: ( (c2_1 @ X0) | ~ (c0_1 @ X0) | ~ (c3_1 @ X0))) | 
% 7.16/1.61       ~ ( (c3_1 @ a918))),
% 7.16/1.61      inference('split', [status(esa)], [zip_derived_cl1093])).
% 7.16/1.61  thf(clause70, conjecture, (~( ( c1_1 @ a921 ) | ( ~( hskp15 ) ) ))).
% 7.16/1.61  thf(zf_stmt_23, negated_conjecture, (( c1_1 @ a921 ) | ( ~( hskp15 ) )),
% 7.16/1.61    inference('cnf.neg', [status(esa)], [clause70])).
% 7.16/1.61  thf(zip_derived_cl69, plain, (( (c1_1 @ a921) | ~ (hskp15))),
% 7.16/1.61      inference('cnf', [status(esa)], [zf_stmt_23])).
% 7.16/1.61  thf(zip_derived_cl346, plain, (( (c1_1 @ a921)) <= (( (c1_1 @ a921)))),
% 7.16/1.61      inference('split', [status(esa)], [zip_derived_cl69])).
% 7.16/1.61  thf(clause175, conjecture,
% 7.16/1.61    (~( ( hskp21 ) | ( c3_1 @ V ) | ( c2_1 @ V ) | ( c1_1 @ V ) | 
% 7.16/1.61        ( ~( ndr1_0 ) ) | ( ~( c2_1 @ U ) ) | ( ~( c1_1 @ U ) ) | 
% 7.16/1.61        ( ~( c0_1 @ U ) ) ))).
% 7.16/1.61  thf(zf_stmt_24, negated_conjecture,
% 7.16/1.61    (( hskp21 ) | ( c3_1 @ V ) | ( c2_1 @ V ) | ( c1_1 @ V ) | 
% 7.16/1.61     ( ~( ndr1_0 ) ) | ( ~( c2_1 @ U ) ) | ( ~( c1_1 @ U ) ) | 
% 7.16/1.61     ( ~( c0_1 @ U ) )),
% 7.16/1.61    inference('cnf.neg', [status(esa)], [clause175])).
% 7.16/1.61  thf(zip_derived_cl174, plain,
% 7.16/1.61      (![X0 : $i, X1 : $i]:
% 7.16/1.61         ( (hskp21)
% 7.16/1.61          |  (c3_1 @ X0)
% 7.16/1.61          |  (c2_1 @ X0)
% 7.16/1.61          |  (c1_1 @ X0)
% 7.16/1.61          | ~ (ndr1_0)
% 7.16/1.61          | ~ (c2_1 @ X1)
% 7.16/1.61          | ~ (c1_1 @ X1)
% 7.16/1.61          | ~ (c0_1 @ X1))),
% 7.16/1.61      inference('cnf', [status(esa)], [zf_stmt_24])).
% 7.16/1.61  thf(zip_derived_cl631, plain,
% 7.16/1.61      ((![X1 : $i]: (~ (c2_1 @ X1) | ~ (c1_1 @ X1) | ~ (c0_1 @ X1)))
% 7.16/1.61         <= ((![X1 : $i]: (~ (c2_1 @ X1) | ~ (c1_1 @ X1) | ~ (c0_1 @ X1))))),
% 7.16/1.61      inference('split', [status(esa)], [zip_derived_cl174])).
% 7.16/1.61  thf(zip_derived_cl929, plain,
% 7.16/1.61      (((~ (c2_1 @ a921) | ~ (c0_1 @ a921)))
% 7.16/1.61         <= (( (c1_1 @ a921)) & 
% 7.16/1.61             (![X1 : $i]: (~ (c2_1 @ X1) | ~ (c1_1 @ X1) | ~ (c0_1 @ X1))))),
% 7.16/1.61      inference('s_sup-', [status(thm)], [zip_derived_cl346, zip_derived_cl631])).
% 7.16/1.61  thf('15', plain,
% 7.16/1.61      (~ ( (c2_1 @ a921)) | ~ ( (c0_1 @ a921)) | 
% 7.16/1.61       ~ (![X1 : $i]: (~ (c2_1 @ X1) | ~ (c1_1 @ X1) | ~ (c0_1 @ X1))) | 
% 7.16/1.61       ~ ( (c1_1 @ a921))),
% 7.16/1.61      inference('split', [status(esa)], [zip_derived_cl929])).
% 7.16/1.61  thf(zip_derived_cl547, plain,
% 7.16/1.61      ((![X0 : $i]: ( (c2_1 @ X0) | ~ (c1_1 @ X0) | ~ (c0_1 @ X0)))
% 7.16/1.61         <= ((![X0 : $i]: ( (c2_1 @ X0) | ~ (c1_1 @ X0) | ~ (c0_1 @ X0))))),
% 7.16/1.61      inference('split', [status(esa)], [zip_derived_cl153])).
% 7.16/1.61  thf(zip_derived_cl346, plain, (( (c1_1 @ a921)) <= (( (c1_1 @ a921)))),
% 7.16/1.61      inference('split', [status(esa)], [zip_derived_cl69])).
% 7.16/1.61  thf(zip_derived_cl1028, plain,
% 7.16/1.61      (((~ (c0_1 @ a921) |  (c2_1 @ a921)))
% 7.16/1.61         <= (( (c1_1 @ a921)) & 
% 7.16/1.61             (![X0 : $i]: ( (c2_1 @ X0) | ~ (c1_1 @ X0) | ~ (c0_1 @ X0))))),
% 7.16/1.61      inference('s_sup+', [status(thm)], [zip_derived_cl547, zip_derived_cl346])).
% 7.16/1.61  thf('16', plain,
% 7.16/1.61      (~ (![X0 : $i]: ( (c2_1 @ X0) | ~ (c1_1 @ X0) | ~ (c0_1 @ X0))) | 
% 7.16/1.61       ( (c2_1 @ a921)) | ~ ( (c0_1 @ a921)) | ~ ( (c1_1 @ a921))),
% 7.16/1.61      inference('split', [status(esa)], [zip_derived_cl1028])).
% 7.16/1.61  thf(zip_derived_cl302, plain, (( (c1_1 @ a911)) <= (( (c1_1 @ a911)))),
% 7.16/1.61      inference('split', [status(esa)], [zip_derived_cl47])).
% 7.16/1.61  thf(zip_derived_cl631, plain,
% 7.16/1.61      ((![X1 : $i]: (~ (c2_1 @ X1) | ~ (c1_1 @ X1) | ~ (c0_1 @ X1)))
% 7.16/1.61         <= ((![X1 : $i]: (~ (c2_1 @ X1) | ~ (c1_1 @ X1) | ~ (c0_1 @ X1))))),
% 7.16/1.61      inference('split', [status(esa)], [zip_derived_cl174])).
% 7.16/1.61  thf(zip_derived_cl823, plain,
% 7.16/1.61      (((~ (c2_1 @ a911) | ~ (c0_1 @ a911)))
% 7.16/1.61         <= (( (c1_1 @ a911)) & 
% 7.16/1.61             (![X1 : $i]: (~ (c2_1 @ X1) | ~ (c1_1 @ X1) | ~ (c0_1 @ X1))))),
% 7.16/1.61      inference('s_sup-', [status(thm)], [zip_derived_cl302, zip_derived_cl631])).
% 7.16/1.61  thf('17', plain,
% 7.16/1.61      (~ ( (c2_1 @ a911)) | ~ ( (c0_1 @ a911)) | 
% 7.16/1.61       ~ (![X1 : $i]: (~ (c2_1 @ X1) | ~ (c1_1 @ X1) | ~ (c0_1 @ X1))) | 
% 7.16/1.61       ~ ( (c1_1 @ a911))),
% 7.16/1.61      inference('split', [status(esa)], [zip_derived_cl823])).
% 7.16/1.61  thf(zip_derived_cl704, plain,
% 7.16/1.61      ((![X1 : $i]: (~ (c3_1 @ X1) | ~ (c2_1 @ X1) |  (c0_1 @ X1)))
% 7.16/1.61         <= ((![X1 : $i]: (~ (c3_1 @ X1) | ~ (c2_1 @ X1) |  (c0_1 @ X1))))),
% 7.16/1.61      inference('split', [status(esa)], [zip_derived_cl192])).
% 7.16/1.61  thf(clause135, conjecture, (~( ( ~( hskp1 ) ) | ( ~( c0_1 @ a899 ) ) ))).
% 7.16/1.61  thf(zf_stmt_25, negated_conjecture, (( ~( hskp1 ) ) | ( ~( c0_1 @ a899 ) )),
% 7.16/1.61    inference('cnf.neg', [status(esa)], [clause135])).
% 7.16/1.61  thf(zip_derived_cl134, plain, ((~ (hskp1) | ~ (c0_1 @ a899))),
% 7.16/1.61      inference('cnf', [status(esa)], [zf_stmt_25])).
% 7.16/1.61  thf(zip_derived_cl476, plain, ((~ (c0_1 @ a899)) <= (~ ( (c0_1 @ a899)))),
% 7.16/1.61      inference('split', [status(esa)], [zip_derived_cl134])).
% 7.16/1.61  thf(zip_derived_cl1725, plain,
% 7.16/1.61      (((~ (c2_1 @ a899) | ~ (c3_1 @ a899)))
% 7.16/1.61         <= (~ ( (c0_1 @ a899)) & 
% 7.16/1.61             (![X1 : $i]: (~ (c3_1 @ X1) | ~ (c2_1 @ X1) |  (c0_1 @ X1))))),
% 7.16/1.61      inference('s_sup-', [status(thm)], [zip_derived_cl704, zip_derived_cl476])).
% 7.16/1.61  thf('18', plain,
% 7.16/1.61      (~ (![X1 : $i]: (~ (c3_1 @ X1) | ~ (c2_1 @ X1) |  (c0_1 @ X1))) | 
% 7.16/1.61       ~ ( (c3_1 @ a899)) | ( (c0_1 @ a899)) | ~ ( (c2_1 @ a899))),
% 7.16/1.61      inference('split', [status(esa)], [zip_derived_cl1725])).
% 7.16/1.61  thf(clause146, conjecture,
% 7.16/1.61    (~( ( hskp7 ) | ( hskp4 ) | ( c3_1 @ U ) | ( c0_1 @ U ) | 
% 7.16/1.61        ( ~( ndr1_0 ) ) | ( ~( c1_1 @ U ) ) ))).
% 7.16/1.61  thf(zf_stmt_26, negated_conjecture,
% 7.16/1.61    (( hskp7 ) | ( hskp4 ) | ( c3_1 @ U ) | ( c0_1 @ U ) | ( ~( ndr1_0 ) ) | 
% 7.16/1.61     ( ~( c1_1 @ U ) )),
% 7.16/1.61    inference('cnf.neg', [status(esa)], [clause146])).
% 7.16/1.61  thf(zip_derived_cl145, plain,
% 7.16/1.61      (![X0 : $i]:
% 7.16/1.61         ( (hskp7)
% 7.16/1.61          |  (hskp4)
% 7.16/1.61          |  (c3_1 @ X0)
% 7.16/1.61          |  (c0_1 @ X0)
% 7.16/1.61          | ~ (ndr1_0)
% 7.16/1.61          | ~ (c1_1 @ X0))),
% 7.16/1.61      inference('cnf', [status(esa)], [zf_stmt_26])).
% 7.16/1.61  thf(zip_derived_cl515, plain,
% 7.16/1.61      ((![X0 : $i]: (~ (c1_1 @ X0) |  (c0_1 @ X0) |  (c3_1 @ X0)))
% 7.16/1.61         <= ((![X0 : $i]: (~ (c1_1 @ X0) |  (c0_1 @ X0) |  (c3_1 @ X0))))),
% 7.16/1.61      inference('split', [status(esa)], [zip_derived_cl145])).
% 7.16/1.61  thf(clause85, conjecture, (~( ( c1_1 @ a899 ) | ( ~( hskp1 ) ) ))).
% 7.16/1.61  thf(zf_stmt_27, negated_conjecture, (( c1_1 @ a899 ) | ( ~( hskp1 ) )),
% 7.16/1.61    inference('cnf.neg', [status(esa)], [clause85])).
% 7.16/1.61  thf(zip_derived_cl84, plain, (( (c1_1 @ a899) | ~ (hskp1))),
% 7.16/1.61      inference('cnf', [status(esa)], [zf_stmt_27])).
% 7.16/1.61  thf(zip_derived_cl376, plain, (( (c1_1 @ a899)) <= (( (c1_1 @ a899)))),
% 7.16/1.61      inference('split', [status(esa)], [zip_derived_cl84])).
% 7.16/1.61  thf(zip_derived_cl1679, plain,
% 7.16/1.61      ((( (c3_1 @ a899) |  (c0_1 @ a899)))
% 7.16/1.61         <= (( (c1_1 @ a899)) & 
% 7.16/1.61             (![X0 : $i]: (~ (c1_1 @ X0) |  (c0_1 @ X0) |  (c3_1 @ X0))))),
% 7.16/1.61      inference('s_sup+', [status(thm)], [zip_derived_cl515, zip_derived_cl376])).
% 7.16/1.61  thf('19', plain,
% 7.16/1.61      (( (c3_1 @ a899)) | 
% 7.16/1.61       ~ (![X0 : $i]: (~ (c1_1 @ X0) |  (c0_1 @ X0) |  (c3_1 @ X0))) | 
% 7.16/1.61       ( (c0_1 @ a899)) | ~ ( (c1_1 @ a899))),
% 7.16/1.61      inference('split', [status(esa)], [zip_derived_cl1679])).
% 7.16/1.61  thf(clause197, conjecture,
% 7.16/1.61    (~( ( c3_1 @ W ) | ( c0_1 @ W ) | ( c0_1 @ V ) | ( c3_1 @ U ) | 
% 7.16/1.61        ( c1_1 @ U ) | ( ~( c1_1 @ W ) ) | ( ~( c3_1 @ V ) ) | 
% 7.16/1.61        ( ~( c2_1 @ V ) ) | ( ~( ndr1_0 ) ) | ( ~( c2_1 @ U ) ) ))).
% 7.16/1.61  thf(zf_stmt_28, negated_conjecture,
% 7.16/1.61    (( c3_1 @ W ) | ( c0_1 @ W ) | ( c0_1 @ V ) | ( c3_1 @ U ) | 
% 7.16/1.61     ( c1_1 @ U ) | ( ~( c1_1 @ W ) ) | ( ~( c3_1 @ V ) ) | 
% 7.16/1.61     ( ~( c2_1 @ V ) ) | ( ~( ndr1_0 ) ) | ( ~( c2_1 @ U ) )),
% 7.16/1.61    inference('cnf.neg', [status(esa)], [clause197])).
% 7.16/1.61  thf(zip_derived_cl196, plain,
% 7.16/1.61      (![X0 : $i, X1 : $i, X2 : $i]:
% 7.16/1.61         ( (c3_1 @ X0)
% 7.16/1.61          |  (c0_1 @ X0)
% 7.16/1.61          |  (c0_1 @ X1)
% 7.16/1.61          |  (c3_1 @ X2)
% 7.16/1.61          |  (c1_1 @ X2)
% 7.16/1.61          | ~ (c1_1 @ X0)
% 7.16/1.61          | ~ (c3_1 @ X1)
% 7.16/1.61          | ~ (c2_1 @ X1)
% 7.16/1.61          | ~ (ndr1_0)
% 7.16/1.61          | ~ (c2_1 @ X2))),
% 7.16/1.61      inference('cnf', [status(esa)], [zf_stmt_28])).
% 7.16/1.61  thf('20', plain,
% 7.16/1.61      ((![X0 : $i]: (~ (c1_1 @ X0) |  (c0_1 @ X0) |  (c3_1 @ X0))) | 
% 7.16/1.61       (![X1 : $i]: (~ (c3_1 @ X1) | ~ (c2_1 @ X1) |  (c0_1 @ X1))) | 
% 7.16/1.61       ~ ( (ndr1_0)) | 
% 7.16/1.61       (![X0 : $i]: (~ (c2_1 @ X0) |  (c1_1 @ X0) |  (c3_1 @ X0)))),
% 7.16/1.61      inference('split', [status(esa)], [zip_derived_cl196])).
% 7.16/1.61  thf(zip_derived_cl531, plain,
% 7.16/1.61      ((![X0 : $i]: (~ (c2_1 @ X0) |  (c1_1 @ X0) |  (c3_1 @ X0)))
% 7.16/1.61         <= ((![X0 : $i]: (~ (c2_1 @ X0) |  (c1_1 @ X0) |  (c3_1 @ X0))))),
% 7.16/1.61      inference('split', [status(esa)], [zip_derived_cl149])).
% 7.16/1.61  thf(clause113, conjecture, (~( ( ~( hskp12 ) ) | ( ~( c1_1 @ a913 ) ) ))).
% 7.16/1.61  thf(zf_stmt_29, negated_conjecture, (( ~( hskp12 ) ) | ( ~( c1_1 @ a913 ) )),
% 7.16/1.61    inference('cnf.neg', [status(esa)], [clause113])).
% 7.16/1.61  thf(zip_derived_cl112, plain, ((~ (hskp12) | ~ (c1_1 @ a913))),
% 7.16/1.61      inference('cnf', [status(esa)], [zf_stmt_29])).
% 7.16/1.61  thf(zip_derived_cl432, plain, ((~ (c1_1 @ a913)) <= (~ ( (c1_1 @ a913)))),
% 7.16/1.61      inference('split', [status(esa)], [zip_derived_cl112])).
% 7.16/1.61  thf(zip_derived_cl2001, plain,
% 7.16/1.61      ((( (c3_1 @ a913) | ~ (c2_1 @ a913)))
% 7.16/1.61         <= (~ ( (c1_1 @ a913)) & 
% 7.16/1.61             (![X0 : $i]: (~ (c2_1 @ X0) |  (c1_1 @ X0) |  (c3_1 @ X0))))),
% 7.16/1.61      inference('s_sup-', [status(thm)], [zip_derived_cl531, zip_derived_cl432])).
% 7.16/1.61  thf('21', plain,
% 7.16/1.61      (~ (![X0 : $i]: (~ (c2_1 @ X0) |  (c1_1 @ X0) |  (c3_1 @ X0))) | 
% 7.16/1.61       ~ ( (c2_1 @ a913)) | ( (c1_1 @ a913)) | ( (c3_1 @ a913))),
% 7.16/1.61      inference('split', [status(esa)], [zip_derived_cl2001])).
% 7.16/1.61  thf(clause182, conjecture,
% 7.16/1.61    (~( ( hskp15 ) | ( c0_1 @ V ) | ( c3_1 @ U ) | ( ~( c2_1 @ V ) ) | 
% 7.16/1.61        ( ~( c1_1 @ V ) ) | ( ~( ndr1_0 ) ) | ( ~( c2_1 @ U ) ) | 
% 7.16/1.61        ( ~( c0_1 @ U ) ) ))).
% 7.16/1.61  thf(zf_stmt_30, negated_conjecture,
% 7.16/1.61    (( hskp15 ) | ( c0_1 @ V ) | ( c3_1 @ U ) | ( ~( c2_1 @ V ) ) | 
% 7.16/1.61     ( ~( c1_1 @ V ) ) | ( ~( ndr1_0 ) ) | ( ~( c2_1 @ U ) ) | 
% 7.16/1.61     ( ~( c0_1 @ U ) )),
% 7.16/1.61    inference('cnf.neg', [status(esa)], [clause182])).
% 7.16/1.61  thf(zip_derived_cl181, plain,
% 7.16/1.61      (![X0 : $i, X1 : $i]:
% 7.16/1.61         ( (hskp15)
% 7.16/1.61          |  (c0_1 @ X0)
% 7.16/1.61          |  (c3_1 @ X1)
% 7.16/1.61          | ~ (c2_1 @ X0)
% 7.16/1.61          | ~ (c1_1 @ X0)
% 7.16/1.61          | ~ (ndr1_0)
% 7.16/1.61          | ~ (c2_1 @ X1)
% 7.16/1.61          | ~ (c0_1 @ X1))),
% 7.16/1.61      inference('cnf', [status(esa)], [zf_stmt_30])).
% 7.16/1.61  thf('22', plain,
% 7.16/1.61      (( (hskp15)) | 
% 7.16/1.61       (![X0 : $i]: (~ (c2_1 @ X0) | ~ (c1_1 @ X0) |  (c0_1 @ X0))) | 
% 7.16/1.61       ~ ( (ndr1_0)) | 
% 7.16/1.61       (![X0 : $i]: (~ (c2_1 @ X0) | ~ (c0_1 @ X0) |  (c3_1 @ X0)))),
% 7.16/1.61      inference('split', [status(esa)], [zip_derived_cl181])).
% 7.16/1.61  thf(zip_derived_cl567, plain,
% 7.16/1.61      ((![X0 : $i]: (~ (c2_1 @ X0) | ~ (c0_1 @ X0) |  (c3_1 @ X0)))
% 7.16/1.61         <= ((![X0 : $i]: (~ (c2_1 @ X0) | ~ (c0_1 @ X0) |  (c3_1 @ X0))))),
% 7.16/1.61      inference('split', [status(esa)], [zip_derived_cl158])).
% 7.16/1.61  thf(clause74, conjecture, (~( ( c0_1 @ a913 ) | ( ~( hskp12 ) ) ))).
% 7.16/1.61  thf(zf_stmt_31, negated_conjecture, (( c0_1 @ a913 ) | ( ~( hskp12 ) )),
% 7.16/1.61    inference('cnf.neg', [status(esa)], [clause74])).
% 7.16/1.61  thf(zip_derived_cl73, plain, (( (c0_1 @ a913) | ~ (hskp12))),
% 7.16/1.61      inference('cnf', [status(esa)], [zf_stmt_31])).
% 7.16/1.61  thf(zip_derived_cl354, plain, (( (c0_1 @ a913)) <= (( (c0_1 @ a913)))),
% 7.16/1.61      inference('split', [status(esa)], [zip_derived_cl73])).
% 7.16/1.61  thf(zip_derived_cl1214, plain,
% 7.16/1.61      ((( (c3_1 @ a913) | ~ (c2_1 @ a913)))
% 7.16/1.61         <= (( (c0_1 @ a913)) & 
% 7.16/1.61             (![X0 : $i]: (~ (c2_1 @ X0) | ~ (c0_1 @ X0) |  (c3_1 @ X0))))),
% 7.16/1.61      inference('s_sup+', [status(thm)], [zip_derived_cl567, zip_derived_cl354])).
% 7.16/1.61  thf('23', plain,
% 7.16/1.61      (~ (![X0 : $i]: (~ (c2_1 @ X0) | ~ (c0_1 @ X0) |  (c3_1 @ X0))) | 
% 7.16/1.61       ~ ( (c2_1 @ a913)) | ( (c3_1 @ a913)) | ~ ( (c0_1 @ a913))),
% 7.16/1.61      inference('split', [status(esa)], [zip_derived_cl1214])).
% 7.16/1.61  thf(clause147, conjecture,
% 7.16/1.61    (~( ( hskp17 ) | ( hskp0 ) | ( c3_1 @ U ) | ( c0_1 @ U ) | 
% 7.16/1.61        ( ~( ndr1_0 ) ) | ( ~( c2_1 @ U ) ) ))).
% 7.16/1.61  thf(zf_stmt_32, negated_conjecture,
% 7.16/1.61    (( hskp17 ) | ( hskp0 ) | ( c3_1 @ U ) | ( c0_1 @ U ) | ( ~( ndr1_0 ) ) | 
% 7.16/1.61     ( ~( c2_1 @ U ) )),
% 7.16/1.61    inference('cnf.neg', [status(esa)], [clause147])).
% 7.16/1.61  thf(zip_derived_cl146, plain,
% 7.16/1.61      (![X0 : $i]:
% 7.16/1.61         ( (hskp17)
% 7.16/1.61          |  (hskp0)
% 7.16/1.61          |  (c3_1 @ X0)
% 7.16/1.61          |  (c0_1 @ X0)
% 7.16/1.61          | ~ (ndr1_0)
% 7.16/1.61          | ~ (c2_1 @ X0))),
% 7.16/1.61      inference('cnf', [status(esa)], [zf_stmt_32])).
% 7.16/1.61  thf(zip_derived_cl519, plain,
% 7.16/1.61      ((![X0 : $i]: (~ (c2_1 @ X0) |  (c0_1 @ X0) |  (c3_1 @ X0)))
% 7.16/1.61         <= ((![X0 : $i]: (~ (c2_1 @ X0) |  (c0_1 @ X0) |  (c3_1 @ X0))))),
% 7.16/1.61      inference('split', [status(esa)], [zip_derived_cl146])).
% 7.16/1.61  thf(clause92, conjecture, (~( ( ~( hskp25 ) ) | ( ~( c0_1 @ a958 ) ) ))).
% 7.16/1.61  thf(zf_stmt_33, negated_conjecture, (( ~( hskp25 ) ) | ( ~( c0_1 @ a958 ) )),
% 7.16/1.61    inference('cnf.neg', [status(esa)], [clause92])).
% 7.16/1.61  thf(zip_derived_cl91, plain, ((~ (hskp25) | ~ (c0_1 @ a958))),
% 7.16/1.61      inference('cnf', [status(esa)], [zf_stmt_33])).
% 7.16/1.61  thf(zip_derived_cl390, plain, ((~ (c0_1 @ a958)) <= (~ ( (c0_1 @ a958)))),
% 7.16/1.61      inference('split', [status(esa)], [zip_derived_cl91])).
% 7.16/1.61  thf(zip_derived_cl1779, plain,
% 7.16/1.61      ((( (c3_1 @ a958) | ~ (c2_1 @ a958)))
% 7.16/1.61         <= (~ ( (c0_1 @ a958)) & 
% 7.16/1.61             (![X0 : $i]: (~ (c2_1 @ X0) |  (c0_1 @ X0) |  (c3_1 @ X0))))),
% 7.16/1.61      inference('s_sup-', [status(thm)], [zip_derived_cl519, zip_derived_cl390])).
% 7.16/1.61  thf('24', plain,
% 7.16/1.61      (~ (![X0 : $i]: (~ (c2_1 @ X0) |  (c0_1 @ X0) |  (c3_1 @ X0))) | 
% 7.16/1.61       ~ ( (c2_1 @ a958)) | ( (c0_1 @ a958)) | ( (c3_1 @ a958))),
% 7.16/1.61      inference('split', [status(esa)], [zip_derived_cl1779])).
% 7.16/1.61  thf(zip_derived_cl551, plain,
% 7.16/1.61      ((![X0 : $i]: ( (c2_1 @ X0) | ~ (c0_1 @ X0) | ~ (c3_1 @ X0)))
% 7.16/1.61         <= ((![X0 : $i]: ( (c2_1 @ X0) | ~ (c0_1 @ X0) | ~ (c3_1 @ X0))))),
% 7.16/1.61      inference('split', [status(esa)], [zip_derived_cl154])).
% 7.16/1.61  thf(clause47, conjecture, (~( ( c0_1 @ a911 ) | ( ~( hskp29 ) ) ))).
% 7.16/1.61  thf(zf_stmt_34, negated_conjecture, (( c0_1 @ a911 ) | ( ~( hskp29 ) )),
% 7.16/1.61    inference('cnf.neg', [status(esa)], [clause47])).
% 7.16/1.61  thf(zip_derived_cl46, plain, (( (c0_1 @ a911) | ~ (hskp29))),
% 7.16/1.61      inference('cnf', [status(esa)], [zf_stmt_34])).
% 7.16/1.61  thf(zip_derived_cl300, plain, (( (c0_1 @ a911)) <= (( (c0_1 @ a911)))),
% 7.16/1.61      inference('split', [status(esa)], [zip_derived_cl46])).
% 7.16/1.61  thf(zip_derived_cl1086, plain,
% 7.16/1.61      (((~ (c3_1 @ a911) |  (c2_1 @ a911)))
% 7.16/1.61         <= (( (c0_1 @ a911)) & 
% 7.16/1.61             (![X0 : $i]: ( (c2_1 @ X0) | ~ (c0_1 @ X0) | ~ (c3_1 @ X0))))),
% 7.16/1.61      inference('s_sup+', [status(thm)], [zip_derived_cl551, zip_derived_cl300])).
% 7.16/1.61  thf('25', plain,
% 7.16/1.61      (( (c2_1 @ a911)) | 
% 7.16/1.61       ~ (![X0 : $i]: ( (c2_1 @ X0) | ~ (c0_1 @ X0) | ~ (c3_1 @ X0))) | 
% 7.16/1.61       ~ ( (c0_1 @ a911)) | ~ ( (c3_1 @ a911))),
% 7.16/1.61      inference('split', [status(esa)], [zip_derived_cl1086])).
% 7.16/1.61  thf(zip_derived_cl300, plain, (( (c0_1 @ a911)) <= (( (c0_1 @ a911)))),
% 7.16/1.61      inference('split', [status(esa)], [zip_derived_cl46])).
% 7.16/1.61  thf(zip_derived_cl571, plain,
% 7.16/1.61      ((![X0 : $i]: (~ (c2_1 @ X0) | ~ (c0_1 @ X0) | ~ (c3_1 @ X0)))
% 7.16/1.61         <= ((![X0 : $i]: (~ (c2_1 @ X0) | ~ (c0_1 @ X0) | ~ (c3_1 @ X0))))),
% 7.16/1.61      inference('split', [status(esa)], [zip_derived_cl159])).
% 7.16/1.61  thf(zip_derived_cl817, plain,
% 7.16/1.61      (((~ (c2_1 @ a911) | ~ (c3_1 @ a911)))
% 7.16/1.61         <= (( (c0_1 @ a911)) & 
% 7.16/1.61             (![X0 : $i]: (~ (c2_1 @ X0) | ~ (c0_1 @ X0) | ~ (c3_1 @ X0))))),
% 7.16/1.61      inference('s_sup-', [status(thm)], [zip_derived_cl300, zip_derived_cl571])).
% 7.16/1.61  thf('26', plain,
% 7.16/1.61      (~ ( (c2_1 @ a911)) | ~ ( (c0_1 @ a911)) | 
% 7.16/1.61       ~ (![X0 : $i]: (~ (c2_1 @ X0) | ~ (c0_1 @ X0) | ~ (c3_1 @ X0))) | 
% 7.16/1.61       ~ ( (c3_1 @ a911))),
% 7.16/1.61      inference('split', [status(esa)], [zip_derived_cl817])).
% 7.16/1.61  thf(zip_derived_cl480, plain,
% 7.16/1.61      ((![X0 : $i]: ( (c2_1 @ X0) |  (c1_1 @ X0) |  (c0_1 @ X0)))
% 7.16/1.61         <= ((![X0 : $i]: ( (c2_1 @ X0) |  (c1_1 @ X0) |  (c0_1 @ X0))))),
% 7.16/1.61      inference('split', [status(esa)], [zip_derived_cl136])).
% 7.16/1.61  thf(zip_derived_cl428, plain, ((~ (c1_1 @ a914)) <= (~ ( (c1_1 @ a914)))),
% 7.16/1.61      inference('split', [status(esa)], [zip_derived_cl110])).
% 7.16/1.61  thf(zip_derived_cl1066, plain,
% 7.16/1.61      ((( (c0_1 @ a914) |  (c2_1 @ a914)))
% 7.16/1.61         <= (~ ( (c1_1 @ a914)) & 
% 7.16/1.61             (![X0 : $i]: ( (c2_1 @ X0) |  (c1_1 @ X0) |  (c0_1 @ X0))))),
% 7.16/1.61      inference('s_sup-', [status(thm)], [zip_derived_cl480, zip_derived_cl428])).
% 7.16/1.61  thf(zip_derived_cl3404, plain, (( (c0_1 @ a914)) <= (( (c0_1 @ a914)))),
% 7.16/1.61      inference('split', [status(esa)], [zip_derived_cl1066])).
% 7.16/1.61  thf(zip_derived_cl551, plain,
% 7.16/1.61      ((![X0 : $i]: ( (c2_1 @ X0) | ~ (c0_1 @ X0) | ~ (c3_1 @ X0)))
% 7.16/1.61         <= ((![X0 : $i]: ( (c2_1 @ X0) | ~ (c0_1 @ X0) | ~ (c3_1 @ X0))))),
% 7.16/1.61      inference('split', [status(esa)], [zip_derived_cl154])).
% 7.16/1.61  thf(zip_derived_cl3407, plain,
% 7.16/1.61      ((( (c2_1 @ a914) | ~ (c3_1 @ a914)))
% 7.16/1.61         <= ((![X0 : $i]: ( (c2_1 @ X0) | ~ (c0_1 @ X0) | ~ (c3_1 @ X0))) & 
% 7.16/1.61             ( (c0_1 @ a914)))),
% 7.16/1.61      inference('s_sup-', [status(thm)],
% 7.16/1.61                [zip_derived_cl3404, zip_derived_cl551])).
% 7.16/1.61  thf('27', plain,
% 7.16/1.61      (~ (![X0 : $i]: ( (c2_1 @ X0) | ~ (c0_1 @ X0) | ~ (c3_1 @ X0))) | 
% 7.16/1.61       ~ ( (c0_1 @ a914)) | ( (c2_1 @ a914)) | ~ ( (c3_1 @ a914))),
% 7.16/1.61      inference('split', [status(esa)], [zip_derived_cl3407])).
% 7.16/1.61  thf(zip_derived_cl592, plain,
% 7.16/1.61      ((![X0 : $i]: ( (c2_1 @ X0) |  (c1_1 @ X0) | ~ (c3_1 @ X0)))
% 7.16/1.61         <= ((![X0 : $i]: ( (c2_1 @ X0) |  (c1_1 @ X0) | ~ (c3_1 @ X0))))),
% 7.16/1.61      inference('split', [status(esa)], [zip_derived_cl164])).
% 7.16/1.61  thf(clause110, conjecture, (~( ( ~( hskp14 ) ) | ( ~( c1_1 @ a918 ) ) ))).
% 7.16/1.61  thf(zf_stmt_35, negated_conjecture, (( ~( hskp14 ) ) | ( ~( c1_1 @ a918 ) )),
% 7.16/1.61    inference('cnf.neg', [status(esa)], [clause110])).
% 7.16/1.61  thf(zip_derived_cl109, plain, ((~ (hskp14) | ~ (c1_1 @ a918))),
% 7.16/1.61      inference('cnf', [status(esa)], [zf_stmt_35])).
% 7.16/1.61  thf(zip_derived_cl426, plain, ((~ (c1_1 @ a918)) <= (~ ( (c1_1 @ a918)))),
% 7.16/1.61      inference('split', [status(esa)], [zip_derived_cl109])).
% 7.16/1.61  thf(zip_derived_cl2095, plain,
% 7.16/1.61      (((~ (c3_1 @ a918) |  (c2_1 @ a918)))
% 7.16/1.61         <= (~ ( (c1_1 @ a918)) & 
% 7.16/1.61             (![X0 : $i]: ( (c2_1 @ X0) |  (c1_1 @ X0) | ~ (c3_1 @ X0))))),
% 7.16/1.61      inference('s_sup-', [status(thm)], [zip_derived_cl592, zip_derived_cl426])).
% 7.16/1.61  thf('28', plain,
% 7.16/1.61      (( (c2_1 @ a918)) | ( (c1_1 @ a918)) | 
% 7.16/1.61       ~ (![X0 : $i]: ( (c2_1 @ X0) |  (c1_1 @ X0) | ~ (c3_1 @ X0))) | 
% 7.16/1.61       ~ ( (c3_1 @ a918))),
% 7.16/1.61      inference('split', [status(esa)], [zip_derived_cl2095])).
% 7.16/1.61  thf(clause183, conjecture,
% 7.16/1.61    (~( ( hskp14 ) | ( c0_1 @ V ) | ( c3_1 @ U ) | ( ~( c3_1 @ V ) ) | 
% 7.16/1.61        ( ~( c1_1 @ V ) ) | ( ~( ndr1_0 ) ) | ( ~( c2_1 @ U ) ) | 
% 7.16/1.61        ( ~( c0_1 @ U ) ) ))).
% 7.16/1.61  thf(zf_stmt_36, negated_conjecture,
% 7.16/1.61    (( hskp14 ) | ( c0_1 @ V ) | ( c3_1 @ U ) | ( ~( c3_1 @ V ) ) | 
% 7.16/1.61     ( ~( c1_1 @ V ) ) | ( ~( ndr1_0 ) ) | ( ~( c2_1 @ U ) ) | 
% 7.16/1.61     ( ~( c0_1 @ U ) )),
% 7.16/1.61    inference('cnf.neg', [status(esa)], [clause183])).
% 7.16/1.61  thf(zip_derived_cl182, plain,
% 7.16/1.61      (![X0 : $i, X1 : $i]:
% 7.16/1.61         ( (hskp14)
% 7.16/1.61          |  (c0_1 @ X0)
% 7.16/1.61          |  (c3_1 @ X1)
% 7.16/1.61          | ~ (c3_1 @ X0)
% 7.16/1.61          | ~ (c1_1 @ X0)
% 7.16/1.61          | ~ (ndr1_0)
% 7.16/1.61          | ~ (c2_1 @ X1)
% 7.16/1.61          | ~ (c0_1 @ X1))),
% 7.16/1.61      inference('cnf', [status(esa)], [zf_stmt_36])).
% 7.16/1.61  thf('29', plain,
% 7.16/1.61      (( (hskp14)) | 
% 7.16/1.61       (![X0 : $i]: (~ (c1_1 @ X0) |  (c0_1 @ X0) | ~ (c3_1 @ X0))) | 
% 7.16/1.61       (![X0 : $i]: (~ (c2_1 @ X0) | ~ (c0_1 @ X0) |  (c3_1 @ X0))) | 
% 7.16/1.61       ~ ( (ndr1_0))),
% 7.16/1.61      inference('split', [status(esa)], [zip_derived_cl182])).
% 7.16/1.61  thf(zip_derived_cl567, plain,
% 7.16/1.61      ((![X0 : $i]: (~ (c2_1 @ X0) | ~ (c0_1 @ X0) |  (c3_1 @ X0)))
% 7.16/1.61         <= ((![X0 : $i]: (~ (c2_1 @ X0) | ~ (c0_1 @ X0) |  (c3_1 @ X0))))),
% 7.16/1.61      inference('split', [status(esa)], [zip_derived_cl158])).
% 7.16/1.61  thf(clause83, conjecture, (~( ( c0_1 @ a903 ) | ( ~( hskp3 ) ) ))).
% 7.16/1.61  thf(zf_stmt_37, negated_conjecture, (( c0_1 @ a903 ) | ( ~( hskp3 ) )),
% 7.16/1.61    inference('cnf.neg', [status(esa)], [clause83])).
% 7.16/1.61  thf(zip_derived_cl82, plain, (( (c0_1 @ a903) | ~ (hskp3))),
% 7.16/1.61      inference('cnf', [status(esa)], [zf_stmt_37])).
% 7.16/1.61  thf(zip_derived_cl372, plain, (( (c0_1 @ a903)) <= (( (c0_1 @ a903)))),
% 7.16/1.61      inference('split', [status(esa)], [zip_derived_cl82])).
% 7.16/1.61  thf(zip_derived_cl1215, plain,
% 7.16/1.61      ((( (c3_1 @ a903) | ~ (c2_1 @ a903)))
% 7.16/1.61         <= (( (c0_1 @ a903)) & 
% 7.16/1.61             (![X0 : $i]: (~ (c2_1 @ X0) | ~ (c0_1 @ X0) |  (c3_1 @ X0))))),
% 7.16/1.61      inference('s_sup+', [status(thm)], [zip_derived_cl567, zip_derived_cl372])).
% 7.16/1.61  thf('30', plain,
% 7.16/1.61      (~ (![X0 : $i]: (~ (c2_1 @ X0) | ~ (c0_1 @ X0) |  (c3_1 @ X0))) | 
% 7.16/1.61       ~ ( (c0_1 @ a903)) | ~ ( (c2_1 @ a903)) | ( (c3_1 @ a903))),
% 7.16/1.61      inference('split', [status(esa)], [zip_derived_cl1215])).
% 7.16/1.61  thf(clause198, conjecture,
% 7.16/1.61    (~( ( c0_1 @ W ) | ( c2_1 @ V ) | ( c1_1 @ V ) | ( c3_1 @ U ) | 
% 7.16/1.61        ( c2_1 @ U ) | ( ~( c3_1 @ W ) ) | ( ~( c2_1 @ W ) ) | 
% 7.16/1.61        ( ~( c3_1 @ V ) ) | ( ~( ndr1_0 ) ) | ( ~( c1_1 @ U ) ) ))).
% 7.16/1.61  thf(zf_stmt_38, negated_conjecture,
% 7.16/1.61    (( c0_1 @ W ) | ( c2_1 @ V ) | ( c1_1 @ V ) | ( c3_1 @ U ) | 
% 7.16/1.61     ( c2_1 @ U ) | ( ~( c3_1 @ W ) ) | ( ~( c2_1 @ W ) ) | 
% 7.16/1.61     ( ~( c3_1 @ V ) ) | ( ~( ndr1_0 ) ) | ( ~( c1_1 @ U ) )),
% 7.16/1.61    inference('cnf.neg', [status(esa)], [clause198])).
% 7.16/1.61  thf(zip_derived_cl197, plain,
% 7.16/1.61      (![X0 : $i, X1 : $i, X2 : $i]:
% 7.16/1.61         ( (c0_1 @ X0)
% 7.16/1.61          |  (c2_1 @ X1)
% 7.16/1.61          |  (c1_1 @ X1)
% 7.16/1.61          |  (c3_1 @ X2)
% 7.16/1.61          |  (c2_1 @ X2)
% 7.16/1.61          | ~ (c3_1 @ X0)
% 7.16/1.61          | ~ (c2_1 @ X0)
% 7.16/1.61          | ~ (c3_1 @ X1)
% 7.16/1.61          | ~ (ndr1_0)
% 7.16/1.61          | ~ (c1_1 @ X2))),
% 7.16/1.61      inference('cnf', [status(esa)], [zf_stmt_38])).
% 7.16/1.61  thf('31', plain,
% 7.16/1.61      ((![X0 : $i]: ( (c2_1 @ X0) |  (c1_1 @ X0) | ~ (c3_1 @ X0))) | 
% 7.16/1.61       (![X1 : $i]: (~ (c3_1 @ X1) | ~ (c2_1 @ X1) |  (c0_1 @ X1))) | 
% 7.16/1.61       (![X0 : $i]: ( (c2_1 @ X0) | ~ (c1_1 @ X0) |  (c3_1 @ X0))) | 
% 7.16/1.61       ~ ( (ndr1_0))),
% 7.16/1.61      inference('split', [status(esa)], [zip_derived_cl197])).
% 7.16/1.61  thf('32', plain, (( (c0_1 @ a903)) | ~ ( (hskp3))),
% 7.16/1.61      inference('split', [status(esa)], [zip_derived_cl82])).
% 7.16/1.61  thf(clause84, conjecture, (~( ( c2_1 @ a903 ) | ( ~( hskp3 ) ) ))).
% 7.16/1.61  thf(zf_stmt_39, negated_conjecture, (( c2_1 @ a903 ) | ( ~( hskp3 ) )),
% 7.16/1.61    inference('cnf.neg', [status(esa)], [clause84])).
% 7.16/1.61  thf(zip_derived_cl83, plain, (( (c2_1 @ a903) | ~ (hskp3))),
% 7.16/1.61      inference('cnf', [status(esa)], [zf_stmt_39])).
% 7.16/1.61  thf('33', plain, (( (c2_1 @ a903)) | ~ ( (hskp3))),
% 7.16/1.61      inference('split', [status(esa)], [zip_derived_cl83])).
% 7.16/1.61  thf(clause131, conjecture, (~( ( ~( hskp3 ) ) | ( ~( c3_1 @ a903 ) ) ))).
% 7.16/1.61  thf(zf_stmt_40, negated_conjecture, (( ~( hskp3 ) ) | ( ~( c3_1 @ a903 ) )),
% 7.16/1.61    inference('cnf.neg', [status(esa)], [clause131])).
% 7.16/1.61  thf(zip_derived_cl130, plain, ((~ (hskp3) | ~ (c3_1 @ a903))),
% 7.16/1.61      inference('cnf', [status(esa)], [zf_stmt_40])).
% 7.16/1.61  thf('34', plain, (~ ( (c3_1 @ a903)) | ~ ( (hskp3))),
% 7.16/1.61      inference('split', [status(esa)], [zip_derived_cl130])).
% 7.16/1.61  thf(zip_derived_cl704, plain,
% 7.16/1.61      ((![X1 : $i]: (~ (c3_1 @ X1) | ~ (c2_1 @ X1) |  (c0_1 @ X1)))
% 7.16/1.61         <= ((![X1 : $i]: (~ (c3_1 @ X1) | ~ (c2_1 @ X1) |  (c0_1 @ X1))))),
% 7.16/1.61      inference('split', [status(esa)], [zip_derived_cl192])).
% 7.16/1.61  thf(zip_derived_cl631, plain,
% 7.16/1.61      ((![X1 : $i]: (~ (c2_1 @ X1) | ~ (c1_1 @ X1) | ~ (c0_1 @ X1)))
% 7.16/1.61         <= ((![X1 : $i]: (~ (c2_1 @ X1) | ~ (c1_1 @ X1) | ~ (c0_1 @ X1))))),
% 7.16/1.61      inference('split', [status(esa)], [zip_derived_cl174])).
% 7.16/1.61  thf(clause41, conjecture, (~( ( c1_1 @ a957 ) | ( ~( hskp31 ) ) ))).
% 7.16/1.61  thf(zf_stmt_41, negated_conjecture, (( c1_1 @ a957 ) | ( ~( hskp31 ) )),
% 7.16/1.61    inference('cnf.neg', [status(esa)], [clause41])).
% 7.16/1.61  thf(zip_derived_cl40, plain, (( (c1_1 @ a957) | ~ (hskp31))),
% 7.16/1.61      inference('cnf', [status(esa)], [zf_stmt_41])).
% 7.16/1.61  thf(zip_derived_cl288, plain, (( (c1_1 @ a957)) <= (( (c1_1 @ a957)))),
% 7.16/1.61      inference('split', [status(esa)], [zip_derived_cl40])).
% 7.16/1.61  thf(zip_derived_cl762, plain,
% 7.16/1.61      (((~ (c0_1 @ a957) | ~ (c2_1 @ a957)))
% 7.16/1.61         <= (( (c1_1 @ a957)) & 
% 7.16/1.61             (![X1 : $i]: (~ (c2_1 @ X1) | ~ (c1_1 @ X1) | ~ (c0_1 @ X1))))),
% 7.16/1.61      inference('s_sup+', [status(thm)], [zip_derived_cl631, zip_derived_cl288])).
% 7.16/1.61  thf(zip_derived_cl766, plain, ((~ (c0_1 @ a957)) <= (~ ( (c0_1 @ a957)))),
% 7.16/1.61      inference('split', [status(esa)], [zip_derived_cl762])).
% 7.16/1.61  thf(zip_derived_cl1710, plain,
% 7.16/1.61      (((~ (c2_1 @ a957) | ~ (c3_1 @ a957)))
% 7.16/1.61         <= (~ ( (c0_1 @ a957)) & 
% 7.16/1.61             (![X1 : $i]: (~ (c3_1 @ X1) | ~ (c2_1 @ X1) |  (c0_1 @ X1))))),
% 7.16/1.61      inference('s_sup-', [status(thm)], [zip_derived_cl704, zip_derived_cl766])).
% 7.16/1.61  thf('35', plain,
% 7.16/1.61      (~ (![X1 : $i]: (~ (c3_1 @ X1) | ~ (c2_1 @ X1) |  (c0_1 @ X1))) | 
% 7.16/1.61       ( (c0_1 @ a957)) | ~ ( (c2_1 @ a957)) | ~ ( (c3_1 @ a957))),
% 7.16/1.61      inference('split', [status(esa)], [zip_derived_cl1710])).
% 7.16/1.61  thf(clause168, conjecture,
% 7.16/1.61    (~( ( hskp3 ) | ( c1_1 @ V ) | ( c0_1 @ V ) | ( c1_1 @ U ) | 
% 7.16/1.61        ( ~( c3_1 @ V ) ) | ( ~( ndr1_0 ) ) | ( ~( c2_1 @ U ) ) | 
% 7.16/1.61        ( ~( c0_1 @ U ) ) ))).
% 7.16/1.61  thf(zf_stmt_42, negated_conjecture,
% 7.16/1.61    (( hskp3 ) | ( c1_1 @ V ) | ( c0_1 @ V ) | ( c1_1 @ U ) | 
% 7.16/1.61     ( ~( c3_1 @ V ) ) | ( ~( ndr1_0 ) ) | ( ~( c2_1 @ U ) ) | 
% 7.16/1.61     ( ~( c0_1 @ U ) )),
% 7.16/1.61    inference('cnf.neg', [status(esa)], [clause168])).
% 7.16/1.61  thf(zip_derived_cl167, plain,
% 7.16/1.61      (![X0 : $i, X1 : $i]:
% 7.16/1.61         ( (hskp3)
% 7.16/1.61          |  (c1_1 @ X0)
% 7.16/1.61          |  (c0_1 @ X0)
% 7.16/1.61          |  (c1_1 @ X1)
% 7.16/1.61          | ~ (c3_1 @ X0)
% 7.16/1.61          | ~ (ndr1_0)
% 7.16/1.61          | ~ (c2_1 @ X1)
% 7.16/1.61          | ~ (c0_1 @ X1))),
% 7.16/1.61      inference('cnf', [status(esa)], [zf_stmt_42])).
% 7.16/1.61  thf('36', plain,
% 7.16/1.61      (( (hskp3)) | 
% 7.16/1.61       (![X0 : $i]: ( (c1_1 @ X0) |  (c0_1 @ X0) | ~ (c3_1 @ X0))) | 
% 7.16/1.61       (![X1 : $i]: (~ (c2_1 @ X1) |  (c1_1 @ X1) | ~ (c0_1 @ X1))) | 
% 7.16/1.61       ~ ( (ndr1_0))),
% 7.16/1.61      inference('split', [status(esa)], [zip_derived_cl167])).
% 7.16/1.61  thf(zip_derived_cl348, plain, (( (c0_1 @ a918)) <= (( (c0_1 @ a918)))),
% 7.16/1.61      inference('split', [status(esa)], [zip_derived_cl70])).
% 7.16/1.61  thf(zip_derived_cl571, plain,
% 7.16/1.61      ((![X0 : $i]: (~ (c2_1 @ X0) | ~ (c0_1 @ X0) | ~ (c3_1 @ X0)))
% 7.16/1.61         <= ((![X0 : $i]: (~ (c2_1 @ X0) | ~ (c0_1 @ X0) | ~ (c3_1 @ X0))))),
% 7.16/1.61      inference('split', [status(esa)], [zip_derived_cl159])).
% 7.16/1.61  thf(zip_derived_cl935, plain,
% 7.16/1.61      (((~ (c2_1 @ a918) | ~ (c3_1 @ a918)))
% 7.16/1.61         <= (( (c0_1 @ a918)) & 
% 7.16/1.61             (![X0 : $i]: (~ (c2_1 @ X0) | ~ (c0_1 @ X0) | ~ (c3_1 @ X0))))),
% 7.16/1.61      inference('s_sup-', [status(thm)], [zip_derived_cl348, zip_derived_cl571])).
% 7.16/1.61  thf('37', plain,
% 7.16/1.61      (~ (![X0 : $i]: (~ (c2_1 @ X0) | ~ (c0_1 @ X0) | ~ (c3_1 @ X0))) | 
% 7.16/1.61       ~ ( (c2_1 @ a918)) | ~ ( (c0_1 @ a918)) | ~ ( (c3_1 @ a918))),
% 7.16/1.61      inference('split', [status(esa)], [zip_derived_cl935])).
% 7.16/1.61  thf(clause138, conjecture,
% 7.16/1.61    (~( ( hskp2 ) | ( hskp28 ) | ( c3_1 @ U ) | ( c1_1 @ U ) | ( c0_1 @ U ) | 
% 7.16/1.61        ( ~( ndr1_0 ) ) ))).
% 7.16/1.61  thf(zf_stmt_43, negated_conjecture,
% 7.16/1.61    (( hskp2 ) | ( hskp28 ) | ( c3_1 @ U ) | ( c1_1 @ U ) | ( c0_1 @ U ) | 
% 7.16/1.61     ( ~( ndr1_0 ) )),
% 7.16/1.61    inference('cnf.neg', [status(esa)], [clause138])).
% 7.16/1.61  thf(zip_derived_cl137, plain,
% 7.16/1.61      (![X0 : $i]:
% 7.16/1.61         ( (hskp2)
% 7.16/1.61          |  (hskp28)
% 7.16/1.61          |  (c3_1 @ X0)
% 7.16/1.61          |  (c1_1 @ X0)
% 7.16/1.61          |  (c0_1 @ X0)
% 7.16/1.61          | ~ (ndr1_0))),
% 7.16/1.61      inference('cnf', [status(esa)], [zf_stmt_43])).
% 7.16/1.61  thf(zip_derived_cl484, plain,
% 7.16/1.61      ((![X0 : $i]: ( (c1_1 @ X0) |  (c0_1 @ X0) |  (c3_1 @ X0)))
% 7.16/1.61         <= ((![X0 : $i]: ( (c1_1 @ X0) |  (c0_1 @ X0) |  (c3_1 @ X0))))),
% 7.16/1.61      inference('split', [status(esa)], [zip_derived_cl137])).
% 7.16/1.61  thf(clause93, conjecture, (~( ( ~( hskp25 ) ) | ( ~( c1_1 @ a958 ) ) ))).
% 7.16/1.61  thf(zf_stmt_44, negated_conjecture, (( ~( hskp25 ) ) | ( ~( c1_1 @ a958 ) )),
% 7.16/1.61    inference('cnf.neg', [status(esa)], [clause93])).
% 7.16/1.61  thf(zip_derived_cl92, plain, ((~ (hskp25) | ~ (c1_1 @ a958))),
% 7.16/1.61      inference('cnf', [status(esa)], [zf_stmt_44])).
% 7.16/1.61  thf(zip_derived_cl392, plain, ((~ (c1_1 @ a958)) <= (~ ( (c1_1 @ a958)))),
% 7.16/1.61      inference('split', [status(esa)], [zip_derived_cl92])).
% 7.16/1.61  thf(zip_derived_cl1189, plain,
% 7.16/1.61      ((( (c3_1 @ a958) |  (c0_1 @ a958)))
% 7.16/1.61         <= (~ ( (c1_1 @ a958)) & 
% 7.16/1.61             (![X0 : $i]: ( (c1_1 @ X0) |  (c0_1 @ X0) |  (c3_1 @ X0))))),
% 7.16/1.61      inference('s_sup-', [status(thm)], [zip_derived_cl484, zip_derived_cl392])).
% 7.16/1.61  thf('38', plain,
% 7.16/1.61      (~ (![X0 : $i]: ( (c1_1 @ X0) |  (c0_1 @ X0) |  (c3_1 @ X0))) | 
% 7.16/1.61       ( (c0_1 @ a958)) | ( (c1_1 @ a958)) | ( (c3_1 @ a958))),
% 7.16/1.61      inference('split', [status(esa)], [zip_derived_cl1189])).
% 7.16/1.61  thf(clause187, conjecture,
% 7.16/1.61    (~( ( hskp23 ) | ( c1_1 @ V ) | ( ~( c2_1 @ V ) ) | ( ~( c0_1 @ V ) ) | 
% 7.16/1.61        ( ~( ndr1_0 ) ) | ( ~( c3_1 @ U ) ) | ( ~( c2_1 @ U ) ) | 
% 7.16/1.61        ( ~( c0_1 @ U ) ) ))).
% 7.16/1.61  thf(zf_stmt_45, negated_conjecture,
% 7.16/1.61    (( hskp23 ) | ( c1_1 @ V ) | ( ~( c2_1 @ V ) ) | ( ~( c0_1 @ V ) ) | 
% 7.16/1.61     ( ~( ndr1_0 ) ) | ( ~( c3_1 @ U ) ) | ( ~( c2_1 @ U ) ) | 
% 7.16/1.61     ( ~( c0_1 @ U ) )),
% 7.16/1.61    inference('cnf.neg', [status(esa)], [clause187])).
% 7.16/1.61  thf(zip_derived_cl186, plain,
% 7.16/1.61      (![X0 : $i, X1 : $i]:
% 7.16/1.61         ( (hskp23)
% 7.16/1.61          |  (c1_1 @ X0)
% 7.16/1.61          | ~ (c2_1 @ X0)
% 7.16/1.61          | ~ (c0_1 @ X0)
% 7.16/1.61          | ~ (ndr1_0)
% 7.16/1.61          | ~ (c3_1 @ X1)
% 7.16/1.61          | ~ (c2_1 @ X1)
% 7.16/1.61          | ~ (c0_1 @ X1))),
% 7.16/1.61      inference('cnf', [status(esa)], [zf_stmt_45])).
% 7.16/1.61  thf('39', plain,
% 7.16/1.61      (( (hskp23)) | 
% 7.16/1.61       (![X0 : $i]: (~ (c2_1 @ X0) | ~ (c0_1 @ X0) | ~ (c3_1 @ X0))) | 
% 7.16/1.61       ~ ( (ndr1_0)) | 
% 7.16/1.61       (![X1 : $i]: (~ (c2_1 @ X1) |  (c1_1 @ X1) | ~ (c0_1 @ X1)))),
% 7.16/1.61      inference('split', [status(esa)], [zip_derived_cl186])).
% 7.16/1.61  thf(zip_derived_cl519, plain,
% 7.16/1.61      ((![X0 : $i]: (~ (c2_1 @ X0) |  (c0_1 @ X0) |  (c3_1 @ X0)))
% 7.16/1.61         <= ((![X0 : $i]: (~ (c2_1 @ X0) |  (c0_1 @ X0) |  (c3_1 @ X0))))),
% 7.16/1.61      inference('split', [status(esa)], [zip_derived_cl146])).
% 7.16/1.61  thf(zip_derived_cl476, plain, ((~ (c0_1 @ a899)) <= (~ ( (c0_1 @ a899)))),
% 7.16/1.61      inference('split', [status(esa)], [zip_derived_cl134])).
% 7.16/1.61  thf(zip_derived_cl1777, plain,
% 7.16/1.61      ((( (c3_1 @ a899) | ~ (c2_1 @ a899)))
% 7.16/1.61         <= (~ ( (c0_1 @ a899)) & 
% 7.16/1.61             (![X0 : $i]: (~ (c2_1 @ X0) |  (c0_1 @ X0) |  (c3_1 @ X0))))),
% 7.16/1.61      inference('s_sup-', [status(thm)], [zip_derived_cl519, zip_derived_cl476])).
% 7.16/1.61  thf('40', plain,
% 7.16/1.61      (~ (![X0 : $i]: (~ (c2_1 @ X0) |  (c0_1 @ X0) |  (c3_1 @ X0))) | 
% 7.16/1.61       ( (c3_1 @ a899)) | ~ ( (c2_1 @ a899)) | ( (c0_1 @ a899))),
% 7.16/1.61      inference('split', [status(esa)], [zip_derived_cl1777])).
% 7.16/1.61  thf(clause152, conjecture,
% 7.16/1.61    (~( ( hskp10 ) | ( hskp12 ) | ( c0_1 @ U ) | ( ~( ndr1_0 ) ) | 
% 7.16/1.61        ( ~( c3_1 @ U ) ) | ( ~( c1_1 @ U ) ) ))).
% 7.16/1.61  thf(zf_stmt_46, negated_conjecture,
% 7.16/1.61    (( hskp10 ) | ( hskp12 ) | ( c0_1 @ U ) | ( ~( ndr1_0 ) ) | 
% 7.16/1.61     ( ~( c3_1 @ U ) ) | ( ~( c1_1 @ U ) )),
% 7.16/1.61    inference('cnf.neg', [status(esa)], [clause152])).
% 7.16/1.61  thf(zip_derived_cl151, plain,
% 7.16/1.61      (![X0 : $i]:
% 7.16/1.61         ( (hskp10)
% 7.16/1.61          |  (hskp12)
% 7.16/1.61          |  (c0_1 @ X0)
% 7.16/1.61          | ~ (ndr1_0)
% 7.16/1.61          | ~ (c3_1 @ X0)
% 7.16/1.61          | ~ (c1_1 @ X0))),
% 7.16/1.61      inference('cnf', [status(esa)], [zf_stmt_46])).
% 7.16/1.61  thf(zip_derived_cl539, plain,
% 7.16/1.61      ((![X0 : $i]: (~ (c1_1 @ X0) |  (c0_1 @ X0) | ~ (c3_1 @ X0)))
% 7.16/1.61         <= ((![X0 : $i]: (~ (c1_1 @ X0) |  (c0_1 @ X0) | ~ (c3_1 @ X0))))),
% 7.16/1.61      inference('split', [status(esa)], [zip_derived_cl151])).
% 7.16/1.61  thf(zip_derived_cl376, plain, (( (c1_1 @ a899)) <= (( (c1_1 @ a899)))),
% 7.16/1.61      inference('split', [status(esa)], [zip_derived_cl84])).
% 7.16/1.61  thf(zip_derived_cl1007, plain,
% 7.16/1.61      (((~ (c3_1 @ a899) |  (c0_1 @ a899)))
% 7.16/1.61         <= (( (c1_1 @ a899)) & 
% 7.16/1.61             (![X0 : $i]: (~ (c1_1 @ X0) |  (c0_1 @ X0) | ~ (c3_1 @ X0))))),
% 7.16/1.61      inference('s_sup+', [status(thm)], [zip_derived_cl539, zip_derived_cl376])).
% 7.16/1.61  thf('41', plain,
% 7.16/1.61      (~ (![X0 : $i]: (~ (c1_1 @ X0) |  (c0_1 @ X0) | ~ (c3_1 @ X0))) | 
% 7.16/1.61       ~ ( (c3_1 @ a899)) | ~ ( (c1_1 @ a899)) | ( (c0_1 @ a899))),
% 7.16/1.61      inference('split', [status(esa)], [zip_derived_cl1007])).
% 7.16/1.61  thf(zip_derived_cl539, plain,
% 7.16/1.61      ((![X0 : $i]: (~ (c1_1 @ X0) |  (c0_1 @ X0) | ~ (c3_1 @ X0)))
% 7.16/1.61         <= ((![X0 : $i]: (~ (c1_1 @ X0) |  (c0_1 @ X0) | ~ (c3_1 @ X0))))),
% 7.16/1.61      inference('split', [status(esa)], [zip_derived_cl151])).
% 7.16/1.61  thf(clause80, conjecture, (~( ( c1_1 @ a905 ) | ( ~( hskp5 ) ) ))).
% 7.16/1.61  thf(zf_stmt_47, negated_conjecture, (( c1_1 @ a905 ) | ( ~( hskp5 ) )),
% 7.16/1.61    inference('cnf.neg', [status(esa)], [clause80])).
% 7.16/1.61  thf(zip_derived_cl79, plain, (( (c1_1 @ a905) | ~ (hskp5))),
% 7.16/1.61      inference('cnf', [status(esa)], [zf_stmt_47])).
% 7.16/1.61  thf(zip_derived_cl366, plain, (( (c1_1 @ a905)) <= (( (c1_1 @ a905)))),
% 7.16/1.61      inference('split', [status(esa)], [zip_derived_cl79])).
% 7.16/1.61  thf(zip_derived_cl1006, plain,
% 7.16/1.61      (((~ (c3_1 @ a905) |  (c0_1 @ a905)))
% 7.16/1.61         <= (( (c1_1 @ a905)) & 
% 7.16/1.61             (![X0 : $i]: (~ (c1_1 @ X0) |  (c0_1 @ X0) | ~ (c3_1 @ X0))))),
% 7.16/1.61      inference('s_sup+', [status(thm)], [zip_derived_cl539, zip_derived_cl366])).
% 7.16/1.61  thf('42', plain,
% 7.16/1.61      (~ ( (c3_1 @ a905)) | ( (c0_1 @ a905)) | 
% 7.16/1.61       ~ (![X0 : $i]: (~ (c1_1 @ X0) |  (c0_1 @ X0) | ~ (c3_1 @ X0))) | 
% 7.16/1.61       ~ ( (c1_1 @ a905))),
% 7.16/1.61      inference('split', [status(esa)], [zip_derived_cl1006])).
% 7.16/1.61  thf(zip_derived_cl628, plain,
% 7.16/1.61      ((![X0 : $i]: (~ (c2_1 @ X0) | ~ (c1_1 @ X0) |  (c0_1 @ X0)))
% 7.16/1.61         <= ((![X0 : $i]: (~ (c2_1 @ X0) | ~ (c1_1 @ X0) |  (c0_1 @ X0))))),
% 7.16/1.61      inference('split', [status(esa)], [zip_derived_cl173])).
% 7.16/1.61  thf(zip_derived_cl366, plain, (( (c1_1 @ a905)) <= (( (c1_1 @ a905)))),
% 7.16/1.61      inference('split', [status(esa)], [zip_derived_cl79])).
% 7.16/1.61  thf(zip_derived_cl1366, plain,
% 7.16/1.61      ((( (c0_1 @ a905) | ~ (c2_1 @ a905)))
% 7.16/1.61         <= (( (c1_1 @ a905)) & 
% 7.16/1.61             (![X0 : $i]: (~ (c2_1 @ X0) | ~ (c1_1 @ X0) |  (c0_1 @ X0))))),
% 7.16/1.61      inference('s_sup+', [status(thm)], [zip_derived_cl628, zip_derived_cl366])).
% 7.16/1.61  thf('43', plain,
% 7.16/1.61      (~ ( (c2_1 @ a905)) | ~ ( (c1_1 @ a905)) | 
% 7.16/1.61       ~ (![X0 : $i]: (~ (c2_1 @ X0) | ~ (c1_1 @ X0) |  (c0_1 @ X0))) | 
% 7.16/1.61       ( (c0_1 @ a905))),
% 7.16/1.61      inference('split', [status(esa)], [zip_derived_cl1366])).
% 7.16/1.61  thf('44', plain, (( (c1_1 @ a905)) | ~ ( (hskp5))),
% 7.16/1.61      inference('split', [status(esa)], [zip_derived_cl79])).
% 7.16/1.61  thf(clause81, conjecture, (~( ( c3_1 @ a905 ) | ( ~( hskp5 ) ) ))).
% 7.16/1.61  thf(zf_stmt_48, negated_conjecture, (( c3_1 @ a905 ) | ( ~( hskp5 ) )),
% 7.16/1.61    inference('cnf.neg', [status(esa)], [clause81])).
% 7.16/1.61  thf(zip_derived_cl80, plain, (( (c3_1 @ a905) | ~ (hskp5))),
% 7.16/1.61      inference('cnf', [status(esa)], [zf_stmt_48])).
% 7.16/1.61  thf('45', plain, (( (c3_1 @ a905)) | ~ ( (hskp5))),
% 7.16/1.61      inference('split', [status(esa)], [zip_derived_cl80])).
% 7.16/1.61  thf(clause128, conjecture, (~( ( ~( hskp5 ) ) | ( ~( c0_1 @ a905 ) ) ))).
% 7.16/1.61  thf(zf_stmt_49, negated_conjecture, (( ~( hskp5 ) ) | ( ~( c0_1 @ a905 ) )),
% 7.16/1.61    inference('cnf.neg', [status(esa)], [clause128])).
% 7.16/1.61  thf(zip_derived_cl127, plain, ((~ (hskp5) | ~ (c0_1 @ a905))),
% 7.16/1.61      inference('cnf', [status(esa)], [zf_stmt_49])).
% 7.16/1.61  thf('46', plain, (~ ( (c0_1 @ a905)) | ~ ( (hskp5))),
% 7.16/1.61      inference('split', [status(esa)], [zip_derived_cl127])).
% 7.16/1.61  thf('47', plain,
% 7.16/1.61      (( (hskp5)) | ( (hskp1)) | 
% 7.16/1.61       (![X0 : $i]: ( (c2_1 @ X0) | ~ (c0_1 @ X0) | ~ (c3_1 @ X0))) | 
% 7.16/1.61       ~ ( (ndr1_0))),
% 7.16/1.61      inference('split', [status(esa)], [zip_derived_cl154])).
% 7.16/1.61  thf(clause156, conjecture,
% 7.16/1.61    (~( ( hskp6 ) | ( hskp12 ) | ( c2_1 @ U ) | ( ~( ndr1_0 ) ) | 
% 7.16/1.61        ( ~( c3_1 @ U ) ) | ( ~( c1_1 @ U ) ) ))).
% 7.16/1.61  thf(zf_stmt_50, negated_conjecture,
% 7.16/1.61    (( hskp6 ) | ( hskp12 ) | ( c2_1 @ U ) | ( ~( ndr1_0 ) ) | 
% 7.16/1.61     ( ~( c3_1 @ U ) ) | ( ~( c1_1 @ U ) )),
% 7.16/1.61    inference('cnf.neg', [status(esa)], [clause156])).
% 7.16/1.61  thf(zip_derived_cl155, plain,
% 7.16/1.61      (![X0 : $i]:
% 7.16/1.61         ( (hskp6)
% 7.16/1.61          |  (hskp12)
% 7.16/1.61          |  (c2_1 @ X0)
% 7.16/1.61          | ~ (ndr1_0)
% 7.16/1.61          | ~ (c3_1 @ X0)
% 7.16/1.61          | ~ (c1_1 @ X0))),
% 7.16/1.61      inference('cnf', [status(esa)], [zf_stmt_50])).
% 7.16/1.61  thf(zip_derived_cl555, plain,
% 7.16/1.61      ((![X0 : $i]: ( (c2_1 @ X0) | ~ (c1_1 @ X0) | ~ (c3_1 @ X0)))
% 7.16/1.61         <= ((![X0 : $i]: ( (c2_1 @ X0) | ~ (c1_1 @ X0) | ~ (c3_1 @ X0))))),
% 7.16/1.61      inference('split', [status(esa)], [zip_derived_cl155])).
% 7.16/1.61  thf(zip_derived_cl366, plain, (( (c1_1 @ a905)) <= (( (c1_1 @ a905)))),
% 7.16/1.61      inference('split', [status(esa)], [zip_derived_cl79])).
% 7.16/1.61  thf(zip_derived_cl1119, plain,
% 7.16/1.61      (((~ (c3_1 @ a905) |  (c2_1 @ a905)))
% 7.16/1.61         <= (( (c1_1 @ a905)) & 
% 7.16/1.61             (![X0 : $i]: ( (c2_1 @ X0) | ~ (c1_1 @ X0) | ~ (c3_1 @ X0))))),
% 7.16/1.61      inference('s_sup+', [status(thm)], [zip_derived_cl555, zip_derived_cl366])).
% 7.16/1.61  thf('48', plain,
% 7.16/1.61      (( (c2_1 @ a905)) | ~ ( (c1_1 @ a905)) | 
% 7.16/1.61       ~ (![X0 : $i]: ( (c2_1 @ X0) | ~ (c1_1 @ X0) | ~ (c3_1 @ X0))) | 
% 7.16/1.61       ~ ( (c3_1 @ a905))),
% 7.16/1.61      inference('split', [status(esa)], [zip_derived_cl1119])).
% 7.16/1.61  thf(clause189, conjecture,
% 7.16/1.61    (~( ( hskp0 ) | ( c2_1 @ V ) | ( ~( c3_1 @ V ) ) | ( ~( c0_1 @ V ) ) | 
% 7.16/1.61        ( ~( ndr1_0 ) ) | ( ~( c3_1 @ U ) ) | ( ~( c2_1 @ U ) ) | 
% 7.16/1.61        ( ~( c0_1 @ U ) ) ))).
% 7.16/1.61  thf(zf_stmt_51, negated_conjecture,
% 7.16/1.61    (( hskp0 ) | ( c2_1 @ V ) | ( ~( c3_1 @ V ) ) | ( ~( c0_1 @ V ) ) | 
% 7.16/1.61     ( ~( ndr1_0 ) ) | ( ~( c3_1 @ U ) ) | ( ~( c2_1 @ U ) ) | 
% 7.16/1.61     ( ~( c0_1 @ U ) )),
% 7.16/1.61    inference('cnf.neg', [status(esa)], [clause189])).
% 7.16/1.61  thf(zip_derived_cl188, plain,
% 7.16/1.61      (![X0 : $i, X1 : $i]:
% 7.16/1.61         ( (hskp0)
% 7.16/1.61          |  (c2_1 @ X0)
% 7.16/1.61          | ~ (c3_1 @ X0)
% 7.16/1.61          | ~ (c0_1 @ X0)
% 7.16/1.61          | ~ (ndr1_0)
% 7.16/1.61          | ~ (c3_1 @ X1)
% 7.16/1.61          | ~ (c2_1 @ X1)
% 7.16/1.61          | ~ (c0_1 @ X1))),
% 7.16/1.61      inference('cnf', [status(esa)], [zf_stmt_51])).
% 7.16/1.61  thf('49', plain,
% 7.16/1.61      (( (hskp0)) | 
% 7.16/1.61       (![X0 : $i]: (~ (c2_1 @ X0) | ~ (c0_1 @ X0) | ~ (c3_1 @ X0))) | 
% 7.16/1.61       (![X0 : $i]: ( (c2_1 @ X0) | ~ (c0_1 @ X0) | ~ (c3_1 @ X0))) | 
% 7.16/1.61       ~ ( (ndr1_0))),
% 7.16/1.61      inference('split', [status(esa)], [zip_derived_cl188])).
% 7.16/1.61  thf(zip_derived_cl603, plain,
% 7.16/1.61      ((![X1 : $i]: (~ (c2_1 @ X1) |  (c1_1 @ X1) | ~ (c0_1 @ X1)))
% 7.16/1.61         <= ((![X1 : $i]: (~ (c2_1 @ X1) |  (c1_1 @ X1) | ~ (c0_1 @ X1))))),
% 7.16/1.61      inference('split', [status(esa)], [zip_derived_cl167])).
% 7.16/1.61  thf(clause129, conjecture, (~( ( ~( hskp4 ) ) | ( ~( c1_1 @ a904 ) ) ))).
% 7.16/1.61  thf(zf_stmt_52, negated_conjecture, (( ~( hskp4 ) ) | ( ~( c1_1 @ a904 ) )),
% 7.16/1.61    inference('cnf.neg', [status(esa)], [clause129])).
% 7.16/1.61  thf(zip_derived_cl128, plain, ((~ (hskp4) | ~ (c1_1 @ a904))),
% 7.16/1.61      inference('cnf', [status(esa)], [zf_stmt_52])).
% 7.16/1.61  thf(zip_derived_cl464, plain, ((~ (c1_1 @ a904)) <= (~ ( (c1_1 @ a904)))),
% 7.16/1.61      inference('split', [status(esa)], [zip_derived_cl128])).
% 7.16/1.61  thf(zip_derived_cl1587, plain,
% 7.16/1.61      (((~ (c0_1 @ a904) | ~ (c2_1 @ a904)))
% 7.16/1.61         <= (~ ( (c1_1 @ a904)) & 
% 7.16/1.61             (![X1 : $i]: (~ (c2_1 @ X1) |  (c1_1 @ X1) | ~ (c0_1 @ X1))))),
% 7.16/1.61      inference('s_sup-', [status(thm)], [zip_derived_cl603, zip_derived_cl464])).
% 7.16/1.61  thf('50', plain,
% 7.16/1.61      (~ ( (c0_1 @ a904)) | 
% 7.16/1.61       ~ (![X1 : $i]: (~ (c2_1 @ X1) |  (c1_1 @ X1) | ~ (c0_1 @ X1))) | 
% 7.16/1.61       ( (c1_1 @ a904)) | ~ ( (c2_1 @ a904))),
% 7.16/1.61      inference('split', [status(esa)], [zip_derived_cl1587])).
% 7.16/1.61  thf(clause192, conjecture,
% 7.16/1.61    (~( ( c3_1 @ W ) | ( c1_1 @ W ) | ( c0_1 @ W ) | ( c2_1 @ V ) | 
% 7.16/1.61        ( c0_1 @ V ) | ( c2_1 @ U ) | ( c1_1 @ U ) | ( ~( c3_1 @ V ) ) | 
% 7.16/1.61        ( ~( ndr1_0 ) ) | ( ~( c3_1 @ U ) ) ))).
% 7.16/1.61  thf(zf_stmt_53, negated_conjecture,
% 7.16/1.61    (( c3_1 @ W ) | ( c1_1 @ W ) | ( c0_1 @ W ) | ( c2_1 @ V ) | 
% 7.16/1.61     ( c0_1 @ V ) | ( c2_1 @ U ) | ( c1_1 @ U ) | ( ~( c3_1 @ V ) ) | 
% 7.16/1.61     ( ~( ndr1_0 ) ) | ( ~( c3_1 @ U ) )),
% 7.16/1.61    inference('cnf.neg', [status(esa)], [clause192])).
% 7.16/1.61  thf(zip_derived_cl191, plain,
% 7.16/1.61      (![X0 : $i, X1 : $i, X2 : $i]:
% 7.16/1.61         ( (c3_1 @ X0)
% 7.16/1.61          |  (c1_1 @ X0)
% 7.16/1.61          |  (c0_1 @ X0)
% 7.16/1.61          |  (c2_1 @ X1)
% 7.16/1.61          |  (c0_1 @ X1)
% 7.16/1.61          |  (c2_1 @ X2)
% 7.16/1.61          |  (c1_1 @ X2)
% 7.16/1.61          | ~ (c3_1 @ X1)
% 7.16/1.61          | ~ (ndr1_0)
% 7.16/1.61          | ~ (c3_1 @ X2))),
% 7.16/1.61      inference('cnf', [status(esa)], [zf_stmt_53])).
% 7.16/1.61  thf('51', plain,
% 7.16/1.61      ((![X0 : $i]: ( (c2_1 @ X0) |  (c0_1 @ X0) | ~ (c3_1 @ X0))) | 
% 7.16/1.61       (![X0 : $i]: ( (c2_1 @ X0) |  (c1_1 @ X0) | ~ (c3_1 @ X0))) | 
% 7.16/1.61       ~ ( (ndr1_0)) | 
% 7.16/1.61       (![X0 : $i]: ( (c1_1 @ X0) |  (c0_1 @ X0) |  (c3_1 @ X0)))),
% 7.16/1.61      inference('split', [status(esa)], [zip_derived_cl191])).
% 7.16/1.61  thf(clause140, conjecture,
% 7.16/1.61    (~( ( hskp6 ) | ( hskp5 ) | ( c1_1 @ U ) | ( c0_1 @ U ) | 
% 7.16/1.61        ( ~( ndr1_0 ) ) | ( ~( c3_1 @ U ) ) ))).
% 7.16/1.61  thf(zf_stmt_54, negated_conjecture,
% 7.16/1.61    (( hskp6 ) | ( hskp5 ) | ( c1_1 @ U ) | ( c0_1 @ U ) | ( ~( ndr1_0 ) ) | 
% 7.16/1.61     ( ~( c3_1 @ U ) )),
% 7.16/1.61    inference('cnf.neg', [status(esa)], [clause140])).
% 7.16/1.61  thf(zip_derived_cl139, plain,
% 7.16/1.61      (![X0 : $i]:
% 7.16/1.61         ( (hskp6)
% 7.16/1.61          |  (hskp5)
% 7.16/1.61          |  (c1_1 @ X0)
% 7.16/1.61          |  (c0_1 @ X0)
% 7.16/1.61          | ~ (ndr1_0)
% 7.16/1.61          | ~ (c3_1 @ X0))),
% 7.16/1.61      inference('cnf', [status(esa)], [zf_stmt_54])).
% 7.16/1.61  thf(zip_derived_cl491, plain,
% 7.16/1.61      ((![X0 : $i]: ( (c1_1 @ X0) |  (c0_1 @ X0) | ~ (c3_1 @ X0)))
% 7.16/1.61         <= ((![X0 : $i]: ( (c1_1 @ X0) |  (c0_1 @ X0) | ~ (c3_1 @ X0))))),
% 7.16/1.61      inference('split', [status(esa)], [zip_derived_cl139])).
% 7.16/1.61  thf(zip_derived_cl428, plain, ((~ (c1_1 @ a914)) <= (~ ( (c1_1 @ a914)))),
% 7.16/1.61      inference('split', [status(esa)], [zip_derived_cl110])).
% 7.16/1.61  thf(zip_derived_cl1328, plain,
% 7.16/1.61      (((~ (c3_1 @ a914) |  (c0_1 @ a914)))
% 7.16/1.61         <= (~ ( (c1_1 @ a914)) & 
% 7.16/1.61             (![X0 : $i]: ( (c1_1 @ X0) |  (c0_1 @ X0) | ~ (c3_1 @ X0))))),
% 7.16/1.61      inference('s_sup-', [status(thm)], [zip_derived_cl491, zip_derived_cl428])).
% 7.16/1.61  thf('52', plain,
% 7.16/1.61      (~ (![X0 : $i]: ( (c1_1 @ X0) |  (c0_1 @ X0) | ~ (c3_1 @ X0))) | 
% 7.16/1.61       ( (c0_1 @ a914)) | ( (c1_1 @ a914)) | ~ ( (c3_1 @ a914))),
% 7.16/1.61      inference('split', [status(esa)], [zip_derived_cl1328])).
% 7.16/1.61  thf(zip_derived_cl603, plain,
% 7.16/1.61      ((![X1 : $i]: (~ (c2_1 @ X1) |  (c1_1 @ X1) | ~ (c0_1 @ X1)))
% 7.16/1.61         <= ((![X1 : $i]: (~ (c2_1 @ X1) |  (c1_1 @ X1) | ~ (c0_1 @ X1))))),
% 7.16/1.61      inference('split', [status(esa)], [zip_derived_cl167])).
% 7.16/1.61  thf(zip_derived_cl428, plain, ((~ (c1_1 @ a914)) <= (~ ( (c1_1 @ a914)))),
% 7.16/1.61      inference('split', [status(esa)], [zip_derived_cl110])).
% 7.16/1.61  thf(zip_derived_cl1583, plain,
% 7.16/1.61      (((~ (c0_1 @ a914) | ~ (c2_1 @ a914)))
% 7.16/1.61         <= (~ ( (c1_1 @ a914)) & 
% 7.16/1.61             (![X1 : $i]: (~ (c2_1 @ X1) |  (c1_1 @ X1) | ~ (c0_1 @ X1))))),
% 7.16/1.61      inference('s_sup-', [status(thm)], [zip_derived_cl603, zip_derived_cl428])).
% 7.16/1.61  thf(zip_derived_cl1882, plain, ((~ (c0_1 @ a914)) <= (~ ( (c0_1 @ a914)))),
% 7.16/1.61      inference('split', [status(esa)], [zip_derived_cl1583])).
% 7.16/1.61  thf(zip_derived_cl503, plain,
% 7.16/1.61      ((![X0 : $i]: ( (c2_1 @ X0) |  (c0_1 @ X0) | ~ (c3_1 @ X0)))
% 7.16/1.61         <= ((![X0 : $i]: ( (c2_1 @ X0) |  (c0_1 @ X0) | ~ (c3_1 @ X0))))),
% 7.16/1.61      inference('split', [status(esa)], [zip_derived_cl142])).
% 7.16/1.61  thf(zip_derived_cl1884, plain,
% 7.16/1.61      ((( (c2_1 @ a914) | ~ (c3_1 @ a914)))
% 7.16/1.61         <= (~ ( (c0_1 @ a914)) & 
% 7.16/1.61             (![X0 : $i]: ( (c2_1 @ X0) |  (c0_1 @ X0) | ~ (c3_1 @ X0))))),
% 7.16/1.61      inference('s_sup+', [status(thm)],
% 7.16/1.61                [zip_derived_cl1882, zip_derived_cl503])).
% 7.16/1.61  thf('53', plain,
% 7.16/1.61      (( (c0_1 @ a914)) | ( (c2_1 @ a914)) | 
% 7.16/1.61       ~ (![X0 : $i]: ( (c2_1 @ X0) |  (c0_1 @ X0) | ~ (c3_1 @ X0))) | 
% 7.16/1.61       ~ ( (c3_1 @ a914))),
% 7.16/1.61      inference('split', [status(esa)], [zip_derived_cl1884])).
% 7.16/1.61  thf(clause179, conjecture,
% 7.16/1.61    (~( ( hskp18 ) | ( c1_1 @ V ) | ( c3_1 @ U ) | ( c2_1 @ U ) | 
% 7.16/1.61        ( ~( c3_1 @ V ) ) | ( ~( c0_1 @ V ) ) | ( ~( ndr1_0 ) ) | 
% 7.16/1.61        ( ~( c0_1 @ U ) ) ))).
% 7.16/1.61  thf(zf_stmt_55, negated_conjecture,
% 7.16/1.61    (( hskp18 ) | ( c1_1 @ V ) | ( c3_1 @ U ) | ( c2_1 @ U ) | 
% 7.16/1.61     ( ~( c3_1 @ V ) ) | ( ~( c0_1 @ V ) ) | ( ~( ndr1_0 ) ) | 
% 7.16/1.61     ( ~( c0_1 @ U ) )),
% 7.16/1.61    inference('cnf.neg', [status(esa)], [clause179])).
% 7.16/1.61  thf(zip_derived_cl178, plain,
% 7.16/1.61      (![X0 : $i, X1 : $i]:
% 7.16/1.61         ( (hskp18)
% 7.16/1.61          |  (c1_1 @ X0)
% 7.16/1.61          |  (c3_1 @ X1)
% 7.16/1.61          |  (c2_1 @ X1)
% 7.16/1.61          | ~ (c3_1 @ X0)
% 7.16/1.61          | ~ (c0_1 @ X0)
% 7.16/1.61          | ~ (ndr1_0)
% 7.16/1.61          | ~ (c0_1 @ X1))),
% 7.16/1.61      inference('cnf', [status(esa)], [zf_stmt_55])).
% 7.16/1.61  thf(zip_derived_cl648, plain,
% 7.16/1.61      ((![X0 : $i]: ( (c1_1 @ X0) | ~ (c0_1 @ X0) | ~ (c3_1 @ X0)))
% 7.16/1.61         <= ((![X0 : $i]: ( (c1_1 @ X0) | ~ (c0_1 @ X0) | ~ (c3_1 @ X0))))),
% 7.16/1.61      inference('split', [status(esa)], [zip_derived_cl178])).
% 7.16/1.61  thf(zip_derived_cl428, plain, ((~ (c1_1 @ a914)) <= (~ ( (c1_1 @ a914)))),
% 7.16/1.61      inference('split', [status(esa)], [zip_derived_cl110])).
% 7.16/1.61  thf(zip_derived_cl1635, plain,
% 7.16/1.61      (((~ (c3_1 @ a914) | ~ (c0_1 @ a914)))
% 7.16/1.61         <= (~ ( (c1_1 @ a914)) & 
% 7.16/1.61             (![X0 : $i]: ( (c1_1 @ X0) | ~ (c0_1 @ X0) | ~ (c3_1 @ X0))))),
% 7.16/1.61      inference('s_sup-', [status(thm)], [zip_derived_cl648, zip_derived_cl428])).
% 7.16/1.61  thf('54', plain,
% 7.16/1.61      (~ (![X0 : $i]: ( (c1_1 @ X0) | ~ (c0_1 @ X0) | ~ (c3_1 @ X0))) | 
% 7.16/1.61       ~ ( (c0_1 @ a914)) | ( (c1_1 @ a914)) | ~ ( (c3_1 @ a914))),
% 7.16/1.61      inference('split', [status(esa)], [zip_derived_cl1635])).
% 7.16/1.61  thf(clause178, conjecture,
% 7.16/1.61    (~( ( hskp21 ) | ( c3_1 @ V ) | ( c1_1 @ V ) | ( c2_1 @ U ) | 
% 7.16/1.61        ( ~( c2_1 @ V ) ) | ( ~( ndr1_0 ) ) | ( ~( c1_1 @ U ) ) | 
% 7.16/1.61        ( ~( c0_1 @ U ) ) ))).
% 7.16/1.61  thf(zf_stmt_56, negated_conjecture,
% 7.16/1.61    (( hskp21 ) | ( c3_1 @ V ) | ( c1_1 @ V ) | ( c2_1 @ U ) | 
% 7.16/1.61     ( ~( c2_1 @ V ) ) | ( ~( ndr1_0 ) ) | ( ~( c1_1 @ U ) ) | 
% 7.16/1.61     ( ~( c0_1 @ U ) )),
% 7.16/1.61    inference('cnf.neg', [status(esa)], [clause178])).
% 7.16/1.61  thf(zip_derived_cl177, plain,
% 7.16/1.61      (![X0 : $i, X1 : $i]:
% 7.16/1.61         ( (hskp21)
% 7.16/1.61          |  (c3_1 @ X0)
% 7.16/1.61          |  (c1_1 @ X0)
% 7.16/1.61          |  (c2_1 @ X1)
% 7.16/1.61          | ~ (c2_1 @ X0)
% 7.16/1.61          | ~ (ndr1_0)
% 7.16/1.61          | ~ (c1_1 @ X1)
% 7.16/1.61          | ~ (c0_1 @ X1))),
% 7.16/1.61      inference('cnf', [status(esa)], [zf_stmt_56])).
% 7.16/1.61  thf('55', plain,
% 7.16/1.61      (( (hskp21)) | 
% 7.16/1.61       (![X0 : $i]: (~ (c2_1 @ X0) |  (c1_1 @ X0) |  (c3_1 @ X0))) | 
% 7.16/1.61       ~ ( (ndr1_0)) | 
% 7.16/1.61       (![X0 : $i]: ( (c2_1 @ X0) | ~ (c1_1 @ X0) | ~ (c0_1 @ X0)))),
% 7.16/1.61      inference('split', [status(esa)], [zip_derived_cl177])).
% 7.16/1.61  thf(clause82, conjecture, (~( ( c2_1 @ a904 ) | ( ~( hskp4 ) ) ))).
% 7.16/1.61  thf(zf_stmt_57, negated_conjecture, (( c2_1 @ a904 ) | ( ~( hskp4 ) )),
% 7.16/1.61    inference('cnf.neg', [status(esa)], [clause82])).
% 7.16/1.61  thf(zip_derived_cl81, plain, (( (c2_1 @ a904) | ~ (hskp4))),
% 7.16/1.61      inference('cnf', [status(esa)], [zf_stmt_57])).
% 7.16/1.61  thf('56', plain, (( (c2_1 @ a904)) | ~ ( (hskp4))),
% 7.16/1.61      inference('split', [status(esa)], [zip_derived_cl81])).
% 7.16/1.61  thf(clause130, conjecture, (~( ( ~( hskp4 ) ) | ( ~( c3_1 @ a904 ) ) ))).
% 7.16/1.61  thf(zf_stmt_58, negated_conjecture, (( ~( hskp4 ) ) | ( ~( c3_1 @ a904 ) )),
% 7.16/1.61    inference('cnf.neg', [status(esa)], [clause130])).
% 7.16/1.61  thf(zip_derived_cl129, plain, ((~ (hskp4) | ~ (c3_1 @ a904))),
% 7.16/1.61      inference('cnf', [status(esa)], [zf_stmt_58])).
% 7.16/1.61  thf('57', plain, (~ ( (c3_1 @ a904)) | ~ ( (hskp4))),
% 7.16/1.61      inference('split', [status(esa)], [zip_derived_cl129])).
% 7.16/1.61  thf(zip_derived_cl491, plain,
% 7.16/1.61      ((![X0 : $i]: ( (c1_1 @ X0) |  (c0_1 @ X0) | ~ (c3_1 @ X0)))
% 7.16/1.61         <= ((![X0 : $i]: ( (c1_1 @ X0) |  (c0_1 @ X0) | ~ (c3_1 @ X0))))),
% 7.16/1.61      inference('split', [status(esa)], [zip_derived_cl139])).
% 7.16/1.61  thf(clause127, conjecture, (~( ( ~( hskp6 ) ) | ( ~( c1_1 @ a906 ) ) ))).
% 7.16/1.61  thf(zf_stmt_59, negated_conjecture, (( ~( hskp6 ) ) | ( ~( c1_1 @ a906 ) )),
% 7.16/1.61    inference('cnf.neg', [status(esa)], [clause127])).
% 7.16/1.61  thf(zip_derived_cl126, plain, ((~ (hskp6) | ~ (c1_1 @ a906))),
% 7.16/1.61      inference('cnf', [status(esa)], [zf_stmt_59])).
% 7.16/1.61  thf(zip_derived_cl460, plain, ((~ (c1_1 @ a906)) <= (~ ( (c1_1 @ a906)))),
% 7.16/1.61      inference('split', [status(esa)], [zip_derived_cl126])).
% 7.16/1.61  thf(zip_derived_cl1331, plain,
% 7.16/1.61      (((~ (c3_1 @ a906) |  (c0_1 @ a906)))
% 7.16/1.61         <= (~ ( (c1_1 @ a906)) & 
% 7.16/1.61             (![X0 : $i]: ( (c1_1 @ X0) |  (c0_1 @ X0) | ~ (c3_1 @ X0))))),
% 7.16/1.61      inference('s_sup-', [status(thm)], [zip_derived_cl491, zip_derived_cl460])).
% 7.16/1.61  thf('58', plain,
% 7.16/1.61      (~ (![X0 : $i]: ( (c1_1 @ X0) |  (c0_1 @ X0) | ~ (c3_1 @ X0))) | 
% 7.16/1.61       ( (c0_1 @ a906)) | ( (c1_1 @ a906)) | ~ ( (c3_1 @ a906))),
% 7.16/1.61      inference('split', [status(esa)], [zip_derived_cl1331])).
% 7.16/1.61  thf(zip_derived_cl603, plain,
% 7.16/1.61      ((![X1 : $i]: (~ (c2_1 @ X1) |  (c1_1 @ X1) | ~ (c0_1 @ X1)))
% 7.16/1.61         <= ((![X1 : $i]: (~ (c2_1 @ X1) |  (c1_1 @ X1) | ~ (c0_1 @ X1))))),
% 7.16/1.61      inference('split', [status(esa)], [zip_derived_cl167])).
% 7.16/1.61  thf(zip_derived_cl460, plain, ((~ (c1_1 @ a906)) <= (~ ( (c1_1 @ a906)))),
% 7.16/1.61      inference('split', [status(esa)], [zip_derived_cl126])).
% 7.16/1.61  thf(zip_derived_cl1586, plain,
% 7.16/1.61      (((~ (c0_1 @ a906) | ~ (c2_1 @ a906)))
% 7.16/1.61         <= (~ ( (c1_1 @ a906)) & 
% 7.16/1.61             (![X1 : $i]: (~ (c2_1 @ X1) |  (c1_1 @ X1) | ~ (c0_1 @ X1))))),
% 7.16/1.61      inference('s_sup-', [status(thm)], [zip_derived_cl603, zip_derived_cl460])).
% 7.16/1.61  thf('59', plain,
% 7.16/1.61      (~ ( (c0_1 @ a906)) | ( (c1_1 @ a906)) | 
% 7.16/1.61       ~ (![X1 : $i]: (~ (c2_1 @ X1) |  (c1_1 @ X1) | ~ (c0_1 @ X1))) | 
% 7.16/1.61       ~ ( (c2_1 @ a906))),
% 7.16/1.61      inference('split', [status(esa)], [zip_derived_cl1586])).
% 7.16/1.61  thf(clause78, conjecture, (~( ( c2_1 @ a906 ) | ( ~( hskp6 ) ) ))).
% 7.16/1.61  thf(zf_stmt_60, negated_conjecture, (( c2_1 @ a906 ) | ( ~( hskp6 ) )),
% 7.16/1.61    inference('cnf.neg', [status(esa)], [clause78])).
% 7.16/1.61  thf(zip_derived_cl77, plain, (( (c2_1 @ a906) | ~ (hskp6))),
% 7.16/1.61      inference('cnf', [status(esa)], [zf_stmt_60])).
% 7.16/1.61  thf('60', plain, (( (c2_1 @ a906)) | ~ ( (hskp6))),
% 7.16/1.61      inference('split', [status(esa)], [zip_derived_cl77])).
% 7.16/1.61  thf(clause79, conjecture, (~( ( c3_1 @ a906 ) | ( ~( hskp6 ) ) ))).
% 7.16/1.61  thf(zf_stmt_61, negated_conjecture, (( c3_1 @ a906 ) | ( ~( hskp6 ) )),
% 7.16/1.61    inference('cnf.neg', [status(esa)], [clause79])).
% 7.16/1.61  thf(zip_derived_cl78, plain, (( (c3_1 @ a906) | ~ (hskp6))),
% 7.16/1.61      inference('cnf', [status(esa)], [zf_stmt_61])).
% 7.16/1.61  thf('61', plain, (( (c3_1 @ a906)) | ~ ( (hskp6))),
% 7.16/1.61      inference('split', [status(esa)], [zip_derived_cl78])).
% 7.16/1.61  thf('62', plain, (~ ( (c1_1 @ a906)) | ~ ( (hskp6))),
% 7.16/1.61      inference('split', [status(esa)], [zip_derived_cl126])).
% 7.16/1.61  thf('63', plain,
% 7.16/1.61      (( (hskp6)) | ( (hskp12)) | 
% 7.16/1.61       (![X0 : $i]: ( (c2_1 @ X0) | ~ (c1_1 @ X0) | ~ (c3_1 @ X0))) | 
% 7.16/1.61       ~ ( (ndr1_0))),
% 7.16/1.61      inference('split', [status(esa)], [zip_derived_cl155])).
% 7.16/1.61  thf(zip_derived_cl555, plain,
% 7.16/1.61      ((![X0 : $i]: ( (c2_1 @ X0) | ~ (c1_1 @ X0) | ~ (c3_1 @ X0)))
% 7.16/1.61         <= ((![X0 : $i]: ( (c2_1 @ X0) | ~ (c1_1 @ X0) | ~ (c3_1 @ X0))))),
% 7.16/1.61      inference('split', [status(esa)], [zip_derived_cl155])).
% 7.16/1.61  thf(clause88, conjecture, (~( ( c1_1 @ a898 ) | ( ~( hskp0 ) ) ))).
% 7.16/1.61  thf(zf_stmt_62, negated_conjecture, (( c1_1 @ a898 ) | ( ~( hskp0 ) )),
% 7.16/1.61    inference('cnf.neg', [status(esa)], [clause88])).
% 7.16/1.61  thf(zip_derived_cl87, plain, (( (c1_1 @ a898) | ~ (hskp0))),
% 7.16/1.61      inference('cnf', [status(esa)], [zf_stmt_62])).
% 7.16/1.61  thf(zip_derived_cl382, plain, (( (c1_1 @ a898)) <= (( (c1_1 @ a898)))),
% 7.16/1.61      inference('split', [status(esa)], [zip_derived_cl87])).
% 7.16/1.61  thf(zip_derived_cl1121, plain,
% 7.16/1.61      (((~ (c3_1 @ a898) |  (c2_1 @ a898)))
% 7.16/1.61         <= (( (c1_1 @ a898)) & 
% 7.16/1.61             (![X0 : $i]: ( (c2_1 @ X0) | ~ (c1_1 @ X0) | ~ (c3_1 @ X0))))),
% 7.16/1.61      inference('s_sup+', [status(thm)], [zip_derived_cl555, zip_derived_cl382])).
% 7.16/1.61  thf('64', plain,
% 7.16/1.61      (~ ( (c3_1 @ a898)) | ( (c2_1 @ a898)) | 
% 7.16/1.61       ~ (![X0 : $i]: ( (c2_1 @ X0) | ~ (c1_1 @ X0) | ~ (c3_1 @ X0))) | 
% 7.16/1.61       ~ ( (c1_1 @ a898))),
% 7.16/1.61      inference('split', [status(esa)], [zip_derived_cl1121])).
% 7.16/1.61  thf(zip_derived_cl484, plain,
% 7.16/1.61      ((![X0 : $i]: ( (c1_1 @ X0) |  (c0_1 @ X0) |  (c3_1 @ X0)))
% 7.16/1.61         <= ((![X0 : $i]: ( (c1_1 @ X0) |  (c0_1 @ X0) |  (c3_1 @ X0))))),
% 7.16/1.61      inference('split', [status(esa)], [zip_derived_cl137])).
% 7.16/1.61  thf(zip_derived_cl464, plain, ((~ (c1_1 @ a904)) <= (~ ( (c1_1 @ a904)))),
% 7.16/1.61      inference('split', [status(esa)], [zip_derived_cl128])).
% 7.16/1.61  thf(zip_derived_cl1188, plain,
% 7.16/1.61      ((( (c3_1 @ a904) |  (c0_1 @ a904)))
% 7.16/1.61         <= (~ ( (c1_1 @ a904)) & 
% 7.16/1.61             (![X0 : $i]: ( (c1_1 @ X0) |  (c0_1 @ X0) |  (c3_1 @ X0))))),
% 7.16/1.61      inference('s_sup-', [status(thm)], [zip_derived_cl484, zip_derived_cl464])).
% 7.16/1.61  thf('65', plain,
% 7.16/1.61      (~ (![X0 : $i]: ( (c1_1 @ X0) |  (c0_1 @ X0) |  (c3_1 @ X0))) | 
% 7.16/1.61       ( (c0_1 @ a904)) | ( (c3_1 @ a904)) | ( (c1_1 @ a904))),
% 7.16/1.61      inference('split', [status(esa)], [zip_derived_cl1188])).
% 7.16/1.61  thf(clause50, conjecture, (~( ( c0_1 @ a900 ) | ( ~( hskp28 ) ) ))).
% 7.16/1.61  thf(zf_stmt_63, negated_conjecture, (( c0_1 @ a900 ) | ( ~( hskp28 ) )),
% 7.16/1.61    inference('cnf.neg', [status(esa)], [clause50])).
% 7.16/1.61  thf(zip_derived_cl49, plain, (( (c0_1 @ a900) | ~ (hskp28))),
% 7.16/1.61      inference('cnf', [status(esa)], [zf_stmt_63])).
% 7.16/1.61  thf('66', plain, (( (c0_1 @ a900)) | ~ ( (hskp28))),
% 7.16/1.61      inference('split', [status(esa)], [zip_derived_cl49])).
% 7.16/1.61  thf(zip_derived_cl306, plain, (( (c0_1 @ a900)) <= (( (c0_1 @ a900)))),
% 7.16/1.61      inference('split', [status(esa)], [zip_derived_cl49])).
% 7.16/1.61  thf(zip_derived_cl571, plain,
% 7.16/1.61      ((![X0 : $i]: (~ (c2_1 @ X0) | ~ (c0_1 @ X0) | ~ (c3_1 @ X0)))
% 7.16/1.61         <= ((![X0 : $i]: (~ (c2_1 @ X0) | ~ (c0_1 @ X0) | ~ (c3_1 @ X0))))),
% 7.16/1.61      inference('split', [status(esa)], [zip_derived_cl159])).
% 7.16/1.61  thf(zip_derived_cl846, plain,
% 7.16/1.61      (((~ (c2_1 @ a900) | ~ (c3_1 @ a900)))
% 7.16/1.61         <= (( (c0_1 @ a900)) & 
% 7.16/1.61             (![X0 : $i]: (~ (c2_1 @ X0) | ~ (c0_1 @ X0) | ~ (c3_1 @ X0))))),
% 7.16/1.61      inference('s_sup-', [status(thm)], [zip_derived_cl306, zip_derived_cl571])).
% 7.16/1.61  thf('67', plain,
% 7.16/1.61      (~ ( (c0_1 @ a900)) | ~ ( (c3_1 @ a900)) | 
% 7.16/1.61       ~ (![X0 : $i]: (~ (c2_1 @ X0) | ~ (c0_1 @ X0) | ~ (c3_1 @ X0))) | 
% 7.16/1.61       ~ ( (c2_1 @ a900))),
% 7.16/1.61      inference('split', [status(esa)], [zip_derived_cl846])).
% 7.16/1.61  thf(clause69, conjecture, (~( ( c0_1 @ a921 ) | ( ~( hskp15 ) ) ))).
% 7.16/1.61  thf(zf_stmt_64, negated_conjecture, (( c0_1 @ a921 ) | ( ~( hskp15 ) )),
% 7.16/1.61    inference('cnf.neg', [status(esa)], [clause69])).
% 7.16/1.61  thf(zip_derived_cl68, plain, (( (c0_1 @ a921) | ~ (hskp15))),
% 7.16/1.61      inference('cnf', [status(esa)], [zf_stmt_64])).
% 7.16/1.61  thf('68', plain, (( (c0_1 @ a921)) | ~ ( (hskp15))),
% 7.16/1.61      inference('split', [status(esa)], [zip_derived_cl68])).
% 7.16/1.61  thf('69', plain, (( (c1_1 @ a921)) | ~ ( (hskp15))),
% 7.16/1.61      inference('split', [status(esa)], [zip_derived_cl69])).
% 7.16/1.61  thf(clause109, conjecture, (~( ( ~( hskp15 ) ) | ( ~( c3_1 @ a921 ) ) ))).
% 7.16/1.61  thf(zf_stmt_65, negated_conjecture, (( ~( hskp15 ) ) | ( ~( c3_1 @ a921 ) )),
% 7.16/1.61    inference('cnf.neg', [status(esa)], [clause109])).
% 7.16/1.61  thf(zip_derived_cl108, plain, ((~ (hskp15) | ~ (c3_1 @ a921))),
% 7.16/1.61      inference('cnf', [status(esa)], [zf_stmt_65])).
% 7.16/1.61  thf('70', plain, (~ ( (c3_1 @ a921)) | ~ ( (hskp15))),
% 7.16/1.61      inference('split', [status(esa)], [zip_derived_cl108])).
% 7.16/1.61  thf('71', plain,
% 7.16/1.61      (( (hskp15)) | ( (hskp29)) | 
% 7.16/1.61       (![X0 : $i]: (~ (c2_1 @ X0) |  (c1_1 @ X0) |  (c3_1 @ X0))) | 
% 7.16/1.61       ~ ( (ndr1_0))),
% 7.16/1.61      inference('split', [status(esa)], [zip_derived_cl149])).
% 7.16/1.61  thf(zip_derived_cl555, plain,
% 7.16/1.61      ((![X0 : $i]: ( (c2_1 @ X0) | ~ (c1_1 @ X0) | ~ (c3_1 @ X0)))
% 7.16/1.61         <= ((![X0 : $i]: ( (c2_1 @ X0) | ~ (c1_1 @ X0) | ~ (c3_1 @ X0))))),
% 7.16/1.61      inference('split', [status(esa)], [zip_derived_cl155])).
% 7.16/1.61  thf(zip_derived_cl302, plain, (( (c1_1 @ a911)) <= (( (c1_1 @ a911)))),
% 7.16/1.61      inference('split', [status(esa)], [zip_derived_cl47])).
% 7.16/1.61  thf(zip_derived_cl1112, plain,
% 7.16/1.61      (((~ (c3_1 @ a911) |  (c2_1 @ a911)))
% 7.16/1.61         <= (( (c1_1 @ a911)) & 
% 7.16/1.61             (![X0 : $i]: ( (c2_1 @ X0) | ~ (c1_1 @ X0) | ~ (c3_1 @ X0))))),
% 7.16/1.61      inference('s_sup+', [status(thm)], [zip_derived_cl555, zip_derived_cl302])).
% 7.16/1.61  thf('72', plain,
% 7.16/1.61      (( (c2_1 @ a911)) | ~ ( (c3_1 @ a911)) | 
% 7.16/1.61       ~ (![X0 : $i]: ( (c2_1 @ X0) | ~ (c1_1 @ X0) | ~ (c3_1 @ X0))) | 
% 7.16/1.61       ~ ( (c1_1 @ a911))),
% 7.16/1.61      inference('split', [status(esa)], [zip_derived_cl1112])).
% 7.16/1.61  thf(zip_derived_cl302, plain, (( (c1_1 @ a911)) <= (( (c1_1 @ a911)))),
% 7.16/1.61      inference('split', [status(esa)], [zip_derived_cl47])).
% 7.16/1.61  thf(clause184, conjecture,
% 7.16/1.61    (~( ( hskp1 ) | ( c2_1 @ V ) | ( c1_1 @ V ) | ( ~( c0_1 @ V ) ) | 
% 7.16/1.61        ( ~( ndr1_0 ) ) | ( ~( c3_1 @ U ) ) | ( ~( c2_1 @ U ) ) | 
% 7.16/1.61        ( ~( c1_1 @ U ) ) ))).
% 7.16/1.61  thf(zf_stmt_66, negated_conjecture,
% 7.16/1.61    (( hskp1 ) | ( c2_1 @ V ) | ( c1_1 @ V ) | ( ~( c0_1 @ V ) ) | 
% 7.16/1.61     ( ~( ndr1_0 ) ) | ( ~( c3_1 @ U ) ) | ( ~( c2_1 @ U ) ) | 
% 7.16/1.61     ( ~( c1_1 @ U ) )),
% 7.16/1.61    inference('cnf.neg', [status(esa)], [clause184])).
% 7.16/1.61  thf(zip_derived_cl183, plain,
% 7.16/1.61      (![X0 : $i, X1 : $i]:
% 7.16/1.61         ( (hskp1)
% 7.16/1.61          |  (c2_1 @ X0)
% 7.16/1.61          |  (c1_1 @ X0)
% 7.16/1.61          | ~ (c0_1 @ X0)
% 7.16/1.61          | ~ (ndr1_0)
% 7.16/1.61          | ~ (c3_1 @ X1)
% 7.16/1.61          | ~ (c2_1 @ X1)
% 7.16/1.61          | ~ (c1_1 @ X1))),
% 7.16/1.61      inference('cnf', [status(esa)], [zf_stmt_66])).
% 7.16/1.61  thf(zip_derived_cl667, plain,
% 7.16/1.61      ((![X1 : $i]: (~ (c3_1 @ X1) | ~ (c2_1 @ X1) | ~ (c1_1 @ X1)))
% 7.16/1.61         <= ((![X1 : $i]: (~ (c3_1 @ X1) | ~ (c2_1 @ X1) | ~ (c1_1 @ X1))))),
% 7.16/1.61      inference('split', [status(esa)], [zip_derived_cl183])).
% 7.16/1.61  thf(zip_derived_cl825, plain,
% 7.16/1.61      (((~ (c3_1 @ a911) | ~ (c2_1 @ a911)))
% 7.16/1.61         <= (( (c1_1 @ a911)) & 
% 7.16/1.61             (![X1 : $i]: (~ (c3_1 @ X1) | ~ (c2_1 @ X1) | ~ (c1_1 @ X1))))),
% 7.16/1.61      inference('s_sup-', [status(thm)], [zip_derived_cl302, zip_derived_cl667])).
% 7.16/1.61  thf('73', plain,
% 7.16/1.61      (~ ( (c2_1 @ a911)) | 
% 7.16/1.61       ~ (![X1 : $i]: (~ (c3_1 @ X1) | ~ (c2_1 @ X1) | ~ (c1_1 @ X1))) | 
% 7.16/1.61       ~ ( (c1_1 @ a911)) | ~ ( (c3_1 @ a911))),
% 7.16/1.61      inference('split', [status(esa)], [zip_derived_cl825])).
% 7.16/1.61  thf(zip_derived_cl531, plain,
% 7.16/1.61      ((![X0 : $i]: (~ (c2_1 @ X0) |  (c1_1 @ X0) |  (c3_1 @ X0)))
% 7.16/1.61         <= ((![X0 : $i]: (~ (c2_1 @ X0) |  (c1_1 @ X0) |  (c3_1 @ X0))))),
% 7.16/1.61      inference('split', [status(esa)], [zip_derived_cl149])).
% 7.16/1.61  thf(zip_derived_cl392, plain, ((~ (c1_1 @ a958)) <= (~ ( (c1_1 @ a958)))),
% 7.16/1.61      inference('split', [status(esa)], [zip_derived_cl92])).
% 7.16/1.61  thf(zip_derived_cl2005, plain,
% 7.16/1.61      ((( (c3_1 @ a958) | ~ (c2_1 @ a958)))
% 7.16/1.61         <= (~ ( (c1_1 @ a958)) & 
% 7.16/1.61             (![X0 : $i]: (~ (c2_1 @ X0) |  (c1_1 @ X0) |  (c3_1 @ X0))))),
% 7.16/1.61      inference('s_sup-', [status(thm)], [zip_derived_cl531, zip_derived_cl392])).
% 7.16/1.61  thf('74', plain,
% 7.16/1.61      (~ (![X0 : $i]: (~ (c2_1 @ X0) |  (c1_1 @ X0) |  (c3_1 @ X0))) | 
% 7.16/1.61       ~ ( (c2_1 @ a958)) | ( (c1_1 @ a958)) | ( (c3_1 @ a958))),
% 7.16/1.61      inference('split', [status(esa)], [zip_derived_cl2005])).
% 7.16/1.61  thf(clause167, conjecture,
% 7.16/1.61    (~( ( hskp1 ) | ( c1_1 @ V ) | ( c0_1 @ V ) | ( c3_1 @ U ) | 
% 7.16/1.61        ( ~( c2_1 @ V ) ) | ( ~( ndr1_0 ) ) | ( ~( c1_1 @ U ) ) | 
% 7.16/1.61        ( ~( c0_1 @ U ) ) ))).
% 7.16/1.61  thf(zf_stmt_67, negated_conjecture,
% 7.16/1.61    (( hskp1 ) | ( c1_1 @ V ) | ( c0_1 @ V ) | ( c3_1 @ U ) | 
% 7.16/1.61     ( ~( c2_1 @ V ) ) | ( ~( ndr1_0 ) ) | ( ~( c1_1 @ U ) ) | 
% 7.16/1.61     ( ~( c0_1 @ U ) )),
% 7.16/1.61    inference('cnf.neg', [status(esa)], [clause167])).
% 7.16/1.61  thf(zip_derived_cl166, plain,
% 7.16/1.61      (![X0 : $i, X1 : $i]:
% 7.16/1.61         ( (hskp1)
% 7.16/1.61          |  (c1_1 @ X0)
% 7.16/1.61          |  (c0_1 @ X0)
% 7.16/1.61          |  (c3_1 @ X1)
% 7.16/1.61          | ~ (c2_1 @ X0)
% 7.16/1.61          | ~ (ndr1_0)
% 7.16/1.61          | ~ (c1_1 @ X1)
% 7.16/1.61          | ~ (c0_1 @ X1))),
% 7.16/1.61      inference('cnf', [status(esa)], [zf_stmt_67])).
% 7.16/1.61  thf(zip_derived_cl600, plain,
% 7.16/1.61      ((![X0 : $i]: (~ (c2_1 @ X0) |  (c1_1 @ X0) |  (c0_1 @ X0)))
% 7.16/1.61         <= ((![X0 : $i]: (~ (c2_1 @ X0) |  (c1_1 @ X0) |  (c0_1 @ X0))))),
% 7.16/1.61      inference('split', [status(esa)], [zip_derived_cl166])).
% 7.16/1.61  thf(zip_derived_cl392, plain, ((~ (c1_1 @ a958)) <= (~ ( (c1_1 @ a958)))),
% 7.16/1.61      inference('split', [status(esa)], [zip_derived_cl92])).
% 7.16/1.61  thf(zip_derived_cl2139, plain,
% 7.16/1.61      ((( (c0_1 @ a958) | ~ (c2_1 @ a958)))
% 7.16/1.61         <= (~ ( (c1_1 @ a958)) & 
% 7.16/1.61             (![X0 : $i]: (~ (c2_1 @ X0) |  (c1_1 @ X0) |  (c0_1 @ X0))))),
% 7.16/1.61      inference('s_sup-', [status(thm)], [zip_derived_cl600, zip_derived_cl392])).
% 7.16/1.61  thf('75', plain,
% 7.16/1.61      (~ (![X0 : $i]: (~ (c2_1 @ X0) |  (c1_1 @ X0) |  (c0_1 @ X0))) | 
% 7.16/1.61       ~ ( (c2_1 @ a958)) | ( (c0_1 @ a958)) | ( (c1_1 @ a958))),
% 7.16/1.61      inference('split', [status(esa)], [zip_derived_cl2139])).
% 7.16/1.61  thf(zip_derived_cl480, plain,
% 7.16/1.61      ((![X0 : $i]: ( (c2_1 @ X0) |  (c1_1 @ X0) |  (c0_1 @ X0)))
% 7.16/1.61         <= ((![X0 : $i]: ( (c2_1 @ X0) |  (c1_1 @ X0) |  (c0_1 @ X0))))),
% 7.16/1.61      inference('split', [status(esa)], [zip_derived_cl136])).
% 7.16/1.61  thf(zip_derived_cl392, plain, ((~ (c1_1 @ a958)) <= (~ ( (c1_1 @ a958)))),
% 7.16/1.61      inference('split', [status(esa)], [zip_derived_cl92])).
% 7.16/1.61  thf(zip_derived_cl1071, plain,
% 7.16/1.61      ((( (c0_1 @ a958) |  (c2_1 @ a958)))
% 7.16/1.61         <= (~ ( (c1_1 @ a958)) & 
% 7.16/1.61             (![X0 : $i]: ( (c2_1 @ X0) |  (c1_1 @ X0) |  (c0_1 @ X0))))),
% 7.16/1.61      inference('s_sup-', [status(thm)], [zip_derived_cl480, zip_derived_cl392])).
% 7.16/1.61  thf('76', plain,
% 7.16/1.61      (( (c2_1 @ a958)) | 
% 7.16/1.61       ~ (![X0 : $i]: ( (c2_1 @ X0) |  (c1_1 @ X0) |  (c0_1 @ X0))) | 
% 7.16/1.61       ( (c1_1 @ a958)) | ( (c0_1 @ a958))),
% 7.16/1.61      inference('split', [status(esa)], [zip_derived_cl1071])).
% 7.16/1.61  thf(clause157, conjecture,
% 7.16/1.61    (~( ( hskp13 ) | ( hskp1 ) | ( c2_1 @ U ) | ( ~( ndr1_0 ) ) | 
% 7.16/1.61        ( ~( c3_1 @ U ) ) | ( ~( c1_1 @ U ) ) ))).
% 7.16/1.61  thf(zf_stmt_68, negated_conjecture,
% 7.16/1.61    (( hskp13 ) | ( hskp1 ) | ( c2_1 @ U ) | ( ~( ndr1_0 ) ) | 
% 7.16/1.61     ( ~( c3_1 @ U ) ) | ( ~( c1_1 @ U ) )),
% 7.16/1.61    inference('cnf.neg', [status(esa)], [clause157])).
% 7.16/1.61  thf(zip_derived_cl156, plain,
% 7.16/1.61      (![X0 : $i]:
% 7.16/1.61         ( (hskp13)
% 7.16/1.61          |  (hskp1)
% 7.16/1.61          |  (c2_1 @ X0)
% 7.16/1.61          | ~ (ndr1_0)
% 7.16/1.61          | ~ (c3_1 @ X0)
% 7.16/1.61          | ~ (c1_1 @ X0))),
% 7.16/1.61      inference('cnf', [status(esa)], [zf_stmt_68])).
% 7.16/1.61  thf('77', plain,
% 7.16/1.61      (( (hskp1)) | 
% 7.16/1.61       (![X0 : $i]: ( (c2_1 @ X0) | ~ (c1_1 @ X0) | ~ (c3_1 @ X0))) | 
% 7.16/1.61       ( (hskp13)) | ~ ( (ndr1_0))),
% 7.16/1.61      inference('split', [status(esa)], [zip_derived_cl156])).
% 7.16/1.61  thf(clause158, conjecture,
% 7.16/1.61    (~( ( hskp17 ) | ( hskp26 ) | ( c3_1 @ U ) | ( ~( ndr1_0 ) ) | 
% 7.16/1.61        ( ~( c1_1 @ U ) ) | ( ~( c0_1 @ U ) ) ))).
% 7.16/1.61  thf(zf_stmt_69, negated_conjecture,
% 7.16/1.61    (( hskp17 ) | ( hskp26 ) | ( c3_1 @ U ) | ( ~( ndr1_0 ) ) | 
% 7.16/1.61     ( ~( c1_1 @ U ) ) | ( ~( c0_1 @ U ) )),
% 7.16/1.61    inference('cnf.neg', [status(esa)], [clause158])).
% 7.16/1.61  thf(zip_derived_cl157, plain,
% 7.16/1.61      (![X0 : $i]:
% 7.16/1.61         ( (hskp17)
% 7.16/1.61          |  (hskp26)
% 7.16/1.61          |  (c3_1 @ X0)
% 7.16/1.61          | ~ (ndr1_0)
% 7.16/1.61          | ~ (c1_1 @ X0)
% 7.16/1.61          | ~ (c0_1 @ X0))),
% 7.16/1.61      inference('cnf', [status(esa)], [zf_stmt_69])).
% 7.16/1.61  thf(zip_derived_cl563, plain,
% 7.16/1.61      ((![X0 : $i]: (~ (c1_1 @ X0) | ~ (c0_1 @ X0) |  (c3_1 @ X0)))
% 7.16/1.61         <= ((![X0 : $i]: (~ (c1_1 @ X0) | ~ (c0_1 @ X0) |  (c3_1 @ X0))))),
% 7.16/1.61      inference('split', [status(esa)], [zip_derived_cl157])).
% 7.16/1.61  thf(clause66, conjecture, (~( ( c1_1 @ a928 ) | ( ~( hskp17 ) ) ))).
% 7.16/1.61  thf(zf_stmt_70, negated_conjecture, (( c1_1 @ a928 ) | ( ~( hskp17 ) )),
% 7.16/1.61    inference('cnf.neg', [status(esa)], [clause66])).
% 7.16/1.61  thf(zip_derived_cl65, plain, (( (c1_1 @ a928) | ~ (hskp17))),
% 7.16/1.61      inference('cnf', [status(esa)], [zf_stmt_70])).
% 7.16/1.61  thf(zip_derived_cl338, plain, (( (c1_1 @ a928)) <= (( (c1_1 @ a928)))),
% 7.16/1.61      inference('split', [status(esa)], [zip_derived_cl65])).
% 7.16/1.61  thf(zip_derived_cl1143, plain,
% 7.16/1.61      ((( (c3_1 @ a928) | ~ (c0_1 @ a928)))
% 7.16/1.61         <= (( (c1_1 @ a928)) & 
% 7.16/1.61             (![X0 : $i]: (~ (c1_1 @ X0) | ~ (c0_1 @ X0) |  (c3_1 @ X0))))),
% 7.16/1.61      inference('s_sup+', [status(thm)], [zip_derived_cl563, zip_derived_cl338])).
% 7.16/1.61  thf('78', plain,
% 7.16/1.61      (~ ( (c0_1 @ a928)) | ~ ( (c1_1 @ a928)) | 
% 7.16/1.61       ~ (![X0 : $i]: (~ (c1_1 @ X0) | ~ (c0_1 @ X0) |  (c3_1 @ X0))) | 
% 7.16/1.61       ( (c3_1 @ a928))),
% 7.16/1.61      inference('split', [status(esa)], [zip_derived_cl1143])).
% 7.16/1.61  thf(zip_derived_cl547, plain,
% 7.16/1.61      ((![X0 : $i]: ( (c2_1 @ X0) | ~ (c1_1 @ X0) | ~ (c0_1 @ X0)))
% 7.16/1.61         <= ((![X0 : $i]: ( (c2_1 @ X0) | ~ (c1_1 @ X0) | ~ (c0_1 @ X0))))),
% 7.16/1.61      inference('split', [status(esa)], [zip_derived_cl153])).
% 7.16/1.61  thf(zip_derived_cl338, plain, (( (c1_1 @ a928)) <= (( (c1_1 @ a928)))),
% 7.16/1.61      inference('split', [status(esa)], [zip_derived_cl65])).
% 7.16/1.61  thf(zip_derived_cl1026, plain,
% 7.16/1.61      (((~ (c0_1 @ a928) |  (c2_1 @ a928)))
% 7.16/1.61         <= (( (c1_1 @ a928)) & 
% 7.16/1.61             (![X0 : $i]: ( (c2_1 @ X0) | ~ (c1_1 @ X0) | ~ (c0_1 @ X0))))),
% 7.16/1.61      inference('s_sup+', [status(thm)], [zip_derived_cl547, zip_derived_cl338])).
% 7.16/1.61  thf('79', plain,
% 7.16/1.61      (~ ( (c0_1 @ a928)) | ( (c2_1 @ a928)) | 
% 7.16/1.61       ~ (![X0 : $i]: ( (c2_1 @ X0) | ~ (c1_1 @ X0) | ~ (c0_1 @ X0))) | 
% 7.16/1.61       ~ ( (c1_1 @ a928))),
% 7.16/1.61      inference('split', [status(esa)], [zip_derived_cl1026])).
% 7.16/1.61  thf(clause142, conjecture,
% 7.16/1.61    (~( ( hskp13 ) | ( hskp12 ) | ( c2_1 @ U ) | ( c0_1 @ U ) | 
% 7.16/1.61        ( ~( ndr1_0 ) ) | ( ~( c1_1 @ U ) ) ))).
% 7.16/1.61  thf(zf_stmt_71, negated_conjecture,
% 7.16/1.61    (( hskp13 ) | ( hskp12 ) | ( c2_1 @ U ) | ( c0_1 @ U ) | ( ~( ndr1_0 ) ) | 
% 7.16/1.61     ( ~( c1_1 @ U ) )),
% 7.16/1.61    inference('cnf.neg', [status(esa)], [clause142])).
% 7.16/1.61  thf(zip_derived_cl141, plain,
% 7.16/1.61      (![X0 : $i]:
% 7.16/1.61         ( (hskp13)
% 7.16/1.61          |  (hskp12)
% 7.16/1.61          |  (c2_1 @ X0)
% 7.16/1.61          |  (c0_1 @ X0)
% 7.16/1.61          | ~ (ndr1_0)
% 7.16/1.61          | ~ (c1_1 @ X0))),
% 7.16/1.61      inference('cnf', [status(esa)], [zf_stmt_71])).
% 7.16/1.61  thf(zip_derived_cl499, plain,
% 7.16/1.61      ((![X0 : $i]: ( (c2_1 @ X0) | ~ (c1_1 @ X0) |  (c0_1 @ X0)))
% 7.16/1.61         <= ((![X0 : $i]: ( (c2_1 @ X0) | ~ (c1_1 @ X0) |  (c0_1 @ X0))))),
% 7.16/1.61      inference('split', [status(esa)], [zip_derived_cl141])).
% 7.16/1.61  thf(zip_derived_cl338, plain, (( (c1_1 @ a928)) <= (( (c1_1 @ a928)))),
% 7.16/1.61      inference('split', [status(esa)], [zip_derived_cl65])).
% 7.16/1.61  thf(zip_derived_cl1424, plain,
% 7.16/1.61      ((( (c0_1 @ a928) |  (c2_1 @ a928)))
% 7.16/1.61         <= (( (c1_1 @ a928)) & 
% 7.16/1.61             (![X0 : $i]: ( (c2_1 @ X0) | ~ (c1_1 @ X0) |  (c0_1 @ X0))))),
% 7.16/1.61      inference('s_sup+', [status(thm)], [zip_derived_cl499, zip_derived_cl338])).
% 7.16/1.61  thf('80', plain,
% 7.16/1.61      (( (c0_1 @ a928)) | ( (c2_1 @ a928)) | 
% 7.16/1.61       ~ (![X0 : $i]: ( (c2_1 @ X0) | ~ (c1_1 @ X0) |  (c0_1 @ X0))) | 
% 7.16/1.61       ~ ( (c1_1 @ a928))),
% 7.16/1.61      inference('split', [status(esa)], [zip_derived_cl1424])).
% 7.16/1.61  thf(zip_derived_cl499, plain,
% 7.16/1.61      ((![X0 : $i]: ( (c2_1 @ X0) | ~ (c1_1 @ X0) |  (c0_1 @ X0)))
% 7.16/1.61         <= ((![X0 : $i]: ( (c2_1 @ X0) | ~ (c1_1 @ X0) |  (c0_1 @ X0))))),
% 7.16/1.61      inference('split', [status(esa)], [zip_derived_cl141])).
% 7.16/1.61  thf(zip_derived_cl326, plain, (( (c1_1 @ a939)) <= (( (c1_1 @ a939)))),
% 7.16/1.61      inference('split', [status(esa)], [zip_derived_cl59])).
% 7.16/1.61  thf(zip_derived_cl1423, plain,
% 7.16/1.61      ((( (c0_1 @ a939) |  (c2_1 @ a939)))
% 7.16/1.61         <= (( (c1_1 @ a939)) & 
% 7.16/1.61             (![X0 : $i]: ( (c2_1 @ X0) | ~ (c1_1 @ X0) |  (c0_1 @ X0))))),
% 7.16/1.61      inference('s_sup+', [status(thm)], [zip_derived_cl499, zip_derived_cl326])).
% 7.16/1.61  thf('81', plain,
% 7.16/1.61      (( (c2_1 @ a939)) | ~ ( (c1_1 @ a939)) | 
% 7.16/1.61       ~ (![X0 : $i]: ( (c2_1 @ X0) | ~ (c1_1 @ X0) |  (c0_1 @ X0))) | 
% 7.16/1.61       ( (c0_1 @ a939))),
% 7.16/1.61      inference('split', [status(esa)], [zip_derived_cl1423])).
% 7.16/1.61  thf(clause149, conjecture,
% 7.16/1.61    (~( ( hskp12 ) | ( hskp18 ) | ( c3_1 @ U ) | ( c1_1 @ U ) | 
% 7.16/1.61        ( ~( ndr1_0 ) ) | ( ~( c0_1 @ U ) ) ))).
% 7.16/1.61  thf(zf_stmt_72, negated_conjecture,
% 7.16/1.61    (( hskp12 ) | ( hskp18 ) | ( c3_1 @ U ) | ( c1_1 @ U ) | ( ~( ndr1_0 ) ) | 
% 7.16/1.61     ( ~( c0_1 @ U ) )),
% 7.16/1.61    inference('cnf.neg', [status(esa)], [clause149])).
% 7.16/1.61  thf(zip_derived_cl148, plain,
% 7.16/1.61      (![X0 : $i]:
% 7.16/1.61         ( (hskp12)
% 7.16/1.61          |  (hskp18)
% 7.16/1.61          |  (c3_1 @ X0)
% 7.16/1.61          |  (c1_1 @ X0)
% 7.16/1.61          | ~ (ndr1_0)
% 7.16/1.61          | ~ (c0_1 @ X0))),
% 7.16/1.61      inference('cnf', [status(esa)], [zf_stmt_72])).
% 7.16/1.61  thf('82', plain,
% 7.16/1.61      (( (hskp18)) | ( (hskp12)) | ~ ( (ndr1_0)) | 
% 7.16/1.61       (![X0 : $i]: ( (c1_1 @ X0) | ~ (c0_1 @ X0) |  (c3_1 @ X0)))),
% 7.16/1.61      inference('split', [status(esa)], [zip_derived_cl148])).
% 7.16/1.61  thf(zip_derived_cl527, plain,
% 7.16/1.61      ((![X0 : $i]: ( (c1_1 @ X0) | ~ (c0_1 @ X0) |  (c3_1 @ X0)))
% 7.16/1.61         <= ((![X0 : $i]: ( (c1_1 @ X0) | ~ (c0_1 @ X0) |  (c3_1 @ X0))))),
% 7.16/1.61      inference('split', [status(esa)], [zip_derived_cl148])).
% 7.16/1.61  thf(clause90, conjecture, (~( ( ~( hskp26 ) ) | ( ~( c1_1 @ a969 ) ) ))).
% 7.16/1.61  thf(zf_stmt_73, negated_conjecture, (( ~( hskp26 ) ) | ( ~( c1_1 @ a969 ) )),
% 7.16/1.61    inference('cnf.neg', [status(esa)], [clause90])).
% 7.16/1.61  thf(zip_derived_cl89, plain, ((~ (hskp26) | ~ (c1_1 @ a969))),
% 7.16/1.61      inference('cnf', [status(esa)], [zf_stmt_73])).
% 7.16/1.61  thf(zip_derived_cl386, plain, ((~ (c1_1 @ a969)) <= (~ ( (c1_1 @ a969)))),
% 7.16/1.61      inference('split', [status(esa)], [zip_derived_cl89])).
% 7.16/1.61  thf(zip_derived_cl1922, plain,
% 7.16/1.61      ((( (c3_1 @ a969) | ~ (c0_1 @ a969)))
% 7.16/1.61         <= (~ ( (c1_1 @ a969)) & 
% 7.16/1.61             (![X0 : $i]: ( (c1_1 @ X0) | ~ (c0_1 @ X0) |  (c3_1 @ X0))))),
% 7.16/1.61      inference('s_sup-', [status(thm)], [zip_derived_cl527, zip_derived_cl386])).
% 7.16/1.61  thf('83', plain,
% 7.16/1.61      (~ ( (c0_1 @ a969)) | ( (c1_1 @ a969)) | 
% 7.16/1.61       ~ (![X0 : $i]: ( (c1_1 @ X0) | ~ (c0_1 @ X0) |  (c3_1 @ X0))) | 
% 7.16/1.61       ( (c3_1 @ a969))),
% 7.16/1.61      inference('split', [status(esa)], [zip_derived_cl1922])).
% 7.16/1.61  thf(clause63, conjecture, (~( ( c2_1 @ a930 ) | ( ~( hskp19 ) ) ))).
% 7.16/1.61  thf(zf_stmt_74, negated_conjecture, (( c2_1 @ a930 ) | ( ~( hskp19 ) )),
% 7.16/1.61    inference('cnf.neg', [status(esa)], [clause63])).
% 7.16/1.61  thf(zip_derived_cl62, plain, (( (c2_1 @ a930) | ~ (hskp19))),
% 7.16/1.61      inference('cnf', [status(esa)], [zf_stmt_74])).
% 7.16/1.61  thf('84', plain, (( (c2_1 @ a930)) | ~ ( (hskp19))),
% 7.16/1.61      inference('split', [status(esa)], [zip_derived_cl62])).
% 7.16/1.61  thf(clause103, conjecture, (~( ( ~( hskp19 ) ) | ( ~( c0_1 @ a930 ) ) ))).
% 7.16/1.61  thf(zf_stmt_75, negated_conjecture, (( ~( hskp19 ) ) | ( ~( c0_1 @ a930 ) )),
% 7.16/1.61    inference('cnf.neg', [status(esa)], [clause103])).
% 7.16/1.61  thf(zip_derived_cl102, plain, ((~ (hskp19) | ~ (c0_1 @ a930))),
% 7.16/1.61      inference('cnf', [status(esa)], [zf_stmt_75])).
% 7.16/1.61  thf('85', plain, (~ ( (c0_1 @ a930)) | ~ ( (hskp19))),
% 7.16/1.61      inference('split', [status(esa)], [zip_derived_cl102])).
% 7.16/1.61  thf(clause104, conjecture, (~( ( ~( hskp19 ) ) | ( ~( c1_1 @ a930 ) ) ))).
% 7.16/1.61  thf(zf_stmt_76, negated_conjecture, (( ~( hskp19 ) ) | ( ~( c1_1 @ a930 ) )),
% 7.16/1.61    inference('cnf.neg', [status(esa)], [clause104])).
% 7.16/1.61  thf(zip_derived_cl103, plain, ((~ (hskp19) | ~ (c1_1 @ a930))),
% 7.16/1.61      inference('cnf', [status(esa)], [zf_stmt_76])).
% 7.16/1.61  thf('86', plain, (~ ( (c1_1 @ a930)) | ~ ( (hskp19))),
% 7.16/1.61      inference('split', [status(esa)], [zip_derived_cl103])).
% 7.16/1.61  thf(clause148, conjecture,
% 7.16/1.61    (~( ( hskp19 ) | ( hskp18 ) | ( c3_1 @ U ) | ( c0_1 @ U ) | 
% 7.16/1.61        ( ~( ndr1_0 ) ) | ( ~( c2_1 @ U ) ) ))).
% 7.16/1.61  thf(zf_stmt_77, negated_conjecture,
% 7.16/1.61    (( hskp19 ) | ( hskp18 ) | ( c3_1 @ U ) | ( c0_1 @ U ) | ( ~( ndr1_0 ) ) | 
% 7.16/1.61     ( ~( c2_1 @ U ) )),
% 7.16/1.61    inference('cnf.neg', [status(esa)], [clause148])).
% 7.16/1.61  thf(zip_derived_cl147, plain,
% 7.16/1.61      (![X0 : $i]:
% 7.16/1.61         ( (hskp19)
% 7.16/1.61          |  (hskp18)
% 7.16/1.61          |  (c3_1 @ X0)
% 7.16/1.61          |  (c0_1 @ X0)
% 7.16/1.61          | ~ (ndr1_0)
% 7.16/1.61          | ~ (c2_1 @ X0))),
% 7.16/1.61      inference('cnf', [status(esa)], [zf_stmt_77])).
% 7.16/1.61  thf('87', plain,
% 7.16/1.61      (( (hskp19)) | ( (hskp18)) | ~ ( (ndr1_0)) | 
% 7.16/1.61       (![X0 : $i]: (~ (c2_1 @ X0) |  (c0_1 @ X0) |  (c3_1 @ X0)))),
% 7.16/1.61      inference('split', [status(esa)], [zip_derived_cl147])).
% 7.16/1.61  thf(clause62, conjecture, (~( ( c2_1 @ a937 ) | ( ~( hskp20 ) ) ))).
% 7.16/1.61  thf(zf_stmt_78, negated_conjecture, (( c2_1 @ a937 ) | ( ~( hskp20 ) )),
% 7.16/1.61    inference('cnf.neg', [status(esa)], [clause62])).
% 7.16/1.61  thf(zip_derived_cl61, plain, (( (c2_1 @ a937) | ~ (hskp20))),
% 7.16/1.61      inference('cnf', [status(esa)], [zf_stmt_78])).
% 7.16/1.61  thf('88', plain, (( (c2_1 @ a937)) | ~ ( (hskp20))),
% 7.16/1.61      inference('split', [status(esa)], [zip_derived_cl61])).
% 7.16/1.61  thf(clause101, conjecture, (~( ( ~( hskp20 ) ) | ( ~( c0_1 @ a937 ) ) ))).
% 7.16/1.61  thf(zf_stmt_79, negated_conjecture, (( ~( hskp20 ) ) | ( ~( c0_1 @ a937 ) )),
% 7.16/1.61    inference('cnf.neg', [status(esa)], [clause101])).
% 7.16/1.61  thf(zip_derived_cl100, plain, ((~ (hskp20) | ~ (c0_1 @ a937))),
% 7.16/1.61      inference('cnf', [status(esa)], [zf_stmt_79])).
% 7.16/1.61  thf('89', plain, (~ ( (c0_1 @ a937)) | ~ ( (hskp20))),
% 7.16/1.61      inference('split', [status(esa)], [zip_derived_cl100])).
% 7.16/1.61  thf(clause102, conjecture, (~( ( ~( hskp20 ) ) | ( ~( c3_1 @ a937 ) ) ))).
% 7.16/1.61  thf(zf_stmt_80, negated_conjecture, (( ~( hskp20 ) ) | ( ~( c3_1 @ a937 ) )),
% 7.16/1.61    inference('cnf.neg', [status(esa)], [clause102])).
% 7.16/1.61  thf(zip_derived_cl101, plain, ((~ (hskp20) | ~ (c3_1 @ a937))),
% 7.16/1.61      inference('cnf', [status(esa)], [zf_stmt_80])).
% 7.16/1.61  thf('90', plain, (~ ( (c3_1 @ a937)) | ~ ( (hskp20))),
% 7.16/1.61      inference('split', [status(esa)], [zip_derived_cl101])).
% 7.16/1.61  thf(zip_derived_cl519, plain,
% 7.16/1.61      ((![X0 : $i]: (~ (c2_1 @ X0) |  (c0_1 @ X0) |  (c3_1 @ X0)))
% 7.16/1.61         <= ((![X0 : $i]: (~ (c2_1 @ X0) |  (c0_1 @ X0) |  (c3_1 @ X0))))),
% 7.16/1.61      inference('split', [status(esa)], [zip_derived_cl146])).
% 7.16/1.61  thf(zip_derived_cl408, plain, ((~ (c0_1 @ a937)) <= (~ ( (c0_1 @ a937)))),
% 7.16/1.61      inference('split', [status(esa)], [zip_derived_cl100])).
% 7.16/1.61  thf(zip_derived_cl1768, plain,
% 7.16/1.61      ((( (c3_1 @ a937) | ~ (c2_1 @ a937)))
% 7.16/1.61         <= (~ ( (c0_1 @ a937)) & 
% 7.16/1.61             (![X0 : $i]: (~ (c2_1 @ X0) |  (c0_1 @ X0) |  (c3_1 @ X0))))),
% 7.16/1.61      inference('s_sup-', [status(thm)], [zip_derived_cl519, zip_derived_cl408])).
% 7.16/1.61  thf('91', plain,
% 7.16/1.61      (~ (![X0 : $i]: (~ (c2_1 @ X0) |  (c0_1 @ X0) |  (c3_1 @ X0))) | 
% 7.16/1.61       ( (c0_1 @ a937)) | ( (c3_1 @ a937)) | ~ ( (c2_1 @ a937))),
% 7.16/1.61      inference('split', [status(esa)], [zip_derived_cl1768])).
% 7.16/1.61  thf('92', plain,
% 7.16/1.61      (( (hskp20)) | ( (hskp1)) | 
% 7.16/1.61       (![X0 : $i]: ( (c2_1 @ X0) | ~ (c1_1 @ X0) | ~ (c0_1 @ X0))) | 
% 7.16/1.61       ~ ( (ndr1_0))),
% 7.16/1.61      inference('split', [status(esa)], [zip_derived_cl153])).
% 7.16/1.61  thf('93', plain,
% 7.16/1.61      (( (hskp1)) | 
% 7.16/1.61       (![X0 : $i]: (~ (c2_1 @ X0) |  (c1_1 @ X0) |  (c0_1 @ X0))) | 
% 7.16/1.61       (![X0 : $i]: (~ (c1_1 @ X0) | ~ (c0_1 @ X0) |  (c3_1 @ X0))) | 
% 7.16/1.61       ~ ( (ndr1_0))),
% 7.16/1.61      inference('split', [status(esa)], [zip_derived_cl166])).
% 7.16/1.61  thf(clause43, conjecture, (~( ( c3_1 @ a957 ) | ( ~( hskp31 ) ) ))).
% 7.16/1.61  thf(zf_stmt_81, negated_conjecture, (( c3_1 @ a957 ) | ( ~( hskp31 ) )),
% 7.16/1.61    inference('cnf.neg', [status(esa)], [clause43])).
% 7.16/1.61  thf(zip_derived_cl42, plain, (( (c3_1 @ a957) | ~ (hskp31))),
% 7.16/1.61      inference('cnf', [status(esa)], [zf_stmt_81])).
% 7.16/1.61  thf('94', plain, (( (c3_1 @ a957)) | ~ ( (hskp31))),
% 7.16/1.61      inference('split', [status(esa)], [zip_derived_cl42])).
% 7.16/1.61  thf(zip_derived_cl563, plain,
% 7.16/1.61      ((![X0 : $i]: (~ (c1_1 @ X0) | ~ (c0_1 @ X0) |  (c3_1 @ X0)))
% 7.16/1.61         <= ((![X0 : $i]: (~ (c1_1 @ X0) | ~ (c0_1 @ X0) |  (c3_1 @ X0))))),
% 7.16/1.61      inference('split', [status(esa)], [zip_derived_cl157])).
% 7.16/1.61  thf(zip_derived_cl382, plain, (( (c1_1 @ a898)) <= (( (c1_1 @ a898)))),
% 7.16/1.61      inference('split', [status(esa)], [zip_derived_cl87])).
% 7.16/1.61  thf(zip_derived_cl1149, plain,
% 7.16/1.61      ((( (c3_1 @ a898) | ~ (c0_1 @ a898)))
% 7.16/1.61         <= (( (c1_1 @ a898)) & 
% 7.16/1.61             (![X0 : $i]: (~ (c1_1 @ X0) | ~ (c0_1 @ X0) |  (c3_1 @ X0))))),
% 7.16/1.61      inference('s_sup+', [status(thm)], [zip_derived_cl563, zip_derived_cl382])).
% 7.16/1.61  thf('95', plain,
% 7.16/1.61      (~ (![X0 : $i]: (~ (c1_1 @ X0) | ~ (c0_1 @ X0) |  (c3_1 @ X0))) | 
% 7.16/1.61       ( (c3_1 @ a898)) | ~ ( (c0_1 @ a898)) | ~ ( (c1_1 @ a898))),
% 7.16/1.61      inference('split', [status(esa)], [zip_derived_cl1149])).
% 7.16/1.61  thf(clause180, conjecture,
% 7.16/1.61    (~( ( hskp31 ) | ( c3_1 @ V ) | ( c2_1 @ V ) | ( c2_1 @ U ) | 
% 7.16/1.61        ( ~( c1_1 @ V ) ) | ( ~( ndr1_0 ) ) | ( ~( c1_1 @ U ) ) | 
% 7.16/1.61        ( ~( c0_1 @ U ) ) ))).
% 7.16/1.61  thf(zf_stmt_82, negated_conjecture,
% 7.16/1.61    (( hskp31 ) | ( c3_1 @ V ) | ( c2_1 @ V ) | ( c2_1 @ U ) | 
% 7.16/1.61     ( ~( c1_1 @ V ) ) | ( ~( ndr1_0 ) ) | ( ~( c1_1 @ U ) ) | 
% 7.16/1.61     ( ~( c0_1 @ U ) )),
% 7.16/1.61    inference('cnf.neg', [status(esa)], [clause180])).
% 7.16/1.61  thf(zip_derived_cl179, plain,
% 7.16/1.61      (![X0 : $i, X1 : $i]:
% 7.16/1.61         ( (hskp31)
% 7.16/1.61          |  (c3_1 @ X0)
% 7.16/1.61          |  (c2_1 @ X0)
% 7.16/1.61          |  (c2_1 @ X1)
% 7.16/1.61          | ~ (c1_1 @ X0)
% 7.16/1.61          | ~ (ndr1_0)
% 7.16/1.61          | ~ (c1_1 @ X1)
% 7.16/1.61          | ~ (c0_1 @ X1))),
% 7.16/1.61      inference('cnf', [status(esa)], [zf_stmt_82])).
% 7.16/1.61  thf('96', plain,
% 7.16/1.61      (( (hskp31)) | 
% 7.16/1.61       (![X0 : $i]: ( (c2_1 @ X0) | ~ (c1_1 @ X0) | ~ (c0_1 @ X0))) | 
% 7.16/1.61       ~ ( (ndr1_0)) | 
% 7.16/1.61       (![X0 : $i]: ( (c2_1 @ X0) | ~ (c1_1 @ X0) |  (c3_1 @ X0)))),
% 7.16/1.61      inference('split', [status(esa)], [zip_derived_cl179])).
% 7.16/1.61  thf(zip_derived_cl600, plain,
% 7.16/1.61      ((![X0 : $i]: (~ (c2_1 @ X0) |  (c1_1 @ X0) |  (c0_1 @ X0)))
% 7.16/1.61         <= ((![X0 : $i]: (~ (c2_1 @ X0) |  (c1_1 @ X0) |  (c0_1 @ X0))))),
% 7.16/1.61      inference('split', [status(esa)], [zip_derived_cl166])).
% 7.16/1.61  thf(zip_derived_cl414, plain, ((~ (c1_1 @ a930)) <= (~ ( (c1_1 @ a930)))),
% 7.16/1.61      inference('split', [status(esa)], [zip_derived_cl103])).
% 7.16/1.61  thf(zip_derived_cl2131, plain,
% 7.16/1.61      ((( (c0_1 @ a930) | ~ (c2_1 @ a930)))
% 7.16/1.61         <= (~ ( (c1_1 @ a930)) & 
% 7.16/1.61             (![X0 : $i]: (~ (c2_1 @ X0) |  (c1_1 @ X0) |  (c0_1 @ X0))))),
% 7.16/1.61      inference('s_sup-', [status(thm)], [zip_derived_cl600, zip_derived_cl414])).
% 7.16/1.61  thf('97', plain,
% 7.16/1.61      (~ (![X0 : $i]: (~ (c2_1 @ X0) |  (c1_1 @ X0) |  (c0_1 @ X0))) | 
% 7.16/1.61       ~ ( (c2_1 @ a930)) | ( (c0_1 @ a930)) | ( (c1_1 @ a930))),
% 7.16/1.61      inference('split', [status(esa)], [zip_derived_cl2131])).
% 7.16/1.61  thf('98', plain, (~ ( (c0_1 @ a958)) | ~ ( (hskp25))),
% 7.16/1.61      inference('split', [status(esa)], [zip_derived_cl91])).
% 7.16/1.61  thf('99', plain, (~ ( (c1_1 @ a958)) | ~ ( (hskp25))),
% 7.16/1.61      inference('split', [status(esa)], [zip_derived_cl92])).
% 7.16/1.61  thf(clause94, conjecture, (~( ( ~( hskp25 ) ) | ( ~( c3_1 @ a958 ) ) ))).
% 7.16/1.61  thf(zf_stmt_83, negated_conjecture, (( ~( hskp25 ) ) | ( ~( c3_1 @ a958 ) )),
% 7.16/1.61    inference('cnf.neg', [status(esa)], [clause94])).
% 7.16/1.61  thf(zip_derived_cl93, plain, ((~ (hskp25) | ~ (c3_1 @ a958))),
% 7.16/1.61      inference('cnf', [status(esa)], [zf_stmt_83])).
% 7.16/1.61  thf('100', plain, (~ ( (c3_1 @ a958)) | ~ ( (hskp25))),
% 7.16/1.61      inference('split', [status(esa)], [zip_derived_cl93])).
% 7.16/1.61  thf(clause73, conjecture, (~( ( c3_1 @ a914 ) | ( ~( hskp13 ) ) ))).
% 7.16/1.61  thf(zf_stmt_84, negated_conjecture, (( c3_1 @ a914 ) | ( ~( hskp13 ) )),
% 7.16/1.61    inference('cnf.neg', [status(esa)], [clause73])).
% 7.16/1.61  thf(zip_derived_cl72, plain, (( (c3_1 @ a914) | ~ (hskp13))),
% 7.16/1.61      inference('cnf', [status(esa)], [zf_stmt_84])).
% 7.16/1.61  thf('101', plain, (( (c3_1 @ a914)) | ~ ( (hskp13))),
% 7.16/1.61      inference('split', [status(esa)], [zip_derived_cl72])).
% 7.16/1.61  thf('102', plain, (~ ( (c1_1 @ a914)) | ~ ( (hskp13))),
% 7.16/1.61      inference('split', [status(esa)], [zip_derived_cl110])).
% 7.16/1.61  thf(clause112, conjecture, (~( ( ~( hskp13 ) ) | ( ~( c2_1 @ a914 ) ) ))).
% 7.16/1.61  thf(zf_stmt_85, negated_conjecture, (( ~( hskp13 ) ) | ( ~( c2_1 @ a914 ) )),
% 7.16/1.61    inference('cnf.neg', [status(esa)], [clause112])).
% 7.16/1.61  thf(zip_derived_cl111, plain, ((~ (hskp13) | ~ (c2_1 @ a914))),
% 7.16/1.61      inference('cnf', [status(esa)], [zf_stmt_85])).
% 7.16/1.61  thf('103', plain, (~ ( (c2_1 @ a914)) | ~ ( (hskp13))),
% 7.16/1.61      inference('split', [status(esa)], [zip_derived_cl111])).
% 7.16/1.61  thf(zip_derived_cl592, plain,
% 7.16/1.61      ((![X0 : $i]: ( (c2_1 @ X0) |  (c1_1 @ X0) | ~ (c3_1 @ X0)))
% 7.16/1.61         <= ((![X0 : $i]: ( (c2_1 @ X0) |  (c1_1 @ X0) | ~ (c3_1 @ X0))))),
% 7.16/1.61      inference('split', [status(esa)], [zip_derived_cl164])).
% 7.16/1.61  thf(zip_derived_cl428, plain, ((~ (c1_1 @ a914)) <= (~ ( (c1_1 @ a914)))),
% 7.16/1.61      inference('split', [status(esa)], [zip_derived_cl110])).
% 7.16/1.61  thf(zip_derived_cl2096, plain,
% 7.16/1.61      (((~ (c3_1 @ a914) |  (c2_1 @ a914)))
% 7.16/1.61         <= (~ ( (c1_1 @ a914)) & 
% 7.16/1.61             (![X0 : $i]: ( (c2_1 @ X0) |  (c1_1 @ X0) | ~ (c3_1 @ X0))))),
% 7.16/1.61      inference('s_sup-', [status(thm)], [zip_derived_cl592, zip_derived_cl428])).
% 7.16/1.61  thf('104', plain,
% 7.16/1.61      (( (c1_1 @ a914)) | ( (c2_1 @ a914)) | 
% 7.16/1.61       ~ (![X0 : $i]: ( (c2_1 @ X0) |  (c1_1 @ X0) | ~ (c3_1 @ X0))) | 
% 7.16/1.61       ~ ( (c3_1 @ a914))),
% 7.16/1.61      inference('split', [status(esa)], [zip_derived_cl2096])).
% 7.16/1.61  thf(clause139, conjecture,
% 7.16/1.61    (~( ( hskp25 ) | ( c3_1 @ U ) | ( c2_1 @ U ) | ( ~( ndr1_0 ) ) | 
% 7.16/1.61        ( ~( c1_1 @ U ) ) ))).
% 7.16/1.61  thf(zf_stmt_86, negated_conjecture,
% 7.16/1.61    (( hskp25 ) | ( c3_1 @ U ) | ( c2_1 @ U ) | ( ~( ndr1_0 ) ) | 
% 7.16/1.61     ( ~( c1_1 @ U ) )),
% 7.16/1.61    inference('cnf.neg', [status(esa)], [clause139])).
% 7.16/1.61  thf(zip_derived_cl138, plain,
% 7.16/1.61      (![X0 : $i]:
% 7.16/1.61         ( (hskp25) |  (c3_1 @ X0) |  (c2_1 @ X0) | ~ (ndr1_0) | ~ (c1_1 @ X0))),
% 7.16/1.61      inference('cnf', [status(esa)], [zf_stmt_86])).
% 7.16/1.61  thf('105', plain,
% 7.16/1.61      (( (hskp25)) | 
% 7.16/1.61       (![X0 : $i]: ( (c2_1 @ X0) | ~ (c1_1 @ X0) |  (c3_1 @ X0))) | 
% 7.16/1.61       ~ ( (ndr1_0))),
% 7.16/1.61      inference('split', [status(esa)], [zip_derived_cl138])).
% 7.16/1.61  thf(clause166, conjecture,
% 7.16/1.61    (~( ( hskp18 ) | ( c2_1 @ V ) | ( c1_1 @ V ) | ( c3_1 @ U ) | 
% 7.16/1.61        ( c2_1 @ U ) | ( ~( c3_1 @ V ) ) | ( ~( ndr1_0 ) ) | ( ~( c1_1 @ U ) ) ))).
% 7.16/1.61  thf(zf_stmt_87, negated_conjecture,
% 7.16/1.61    (( hskp18 ) | ( c2_1 @ V ) | ( c1_1 @ V ) | ( c3_1 @ U ) | ( c2_1 @ U ) | 
% 7.16/1.61     ( ~( c3_1 @ V ) ) | ( ~( ndr1_0 ) ) | ( ~( c1_1 @ U ) )),
% 7.16/1.61    inference('cnf.neg', [status(esa)], [clause166])).
% 7.16/1.61  thf(zip_derived_cl165, plain,
% 7.16/1.61      (![X0 : $i, X1 : $i]:
% 7.16/1.61         ( (hskp18)
% 7.16/1.61          |  (c2_1 @ X0)
% 7.16/1.61          |  (c1_1 @ X0)
% 7.16/1.61          |  (c3_1 @ X1)
% 7.16/1.61          |  (c2_1 @ X1)
% 7.16/1.61          | ~ (c3_1 @ X0)
% 7.16/1.61          | ~ (ndr1_0)
% 7.16/1.61          | ~ (c1_1 @ X1))),
% 7.16/1.61      inference('cnf', [status(esa)], [zf_stmt_87])).
% 7.16/1.61  thf('106', plain,
% 7.16/1.61      (( (hskp18)) | 
% 7.16/1.61       (![X0 : $i]: ( (c2_1 @ X0) |  (c1_1 @ X0) | ~ (c3_1 @ X0))) | 
% 7.16/1.61       ~ ( (ndr1_0)) | 
% 7.16/1.61       (![X0 : $i]: ( (c2_1 @ X0) | ~ (c1_1 @ X0) |  (c3_1 @ X0)))),
% 7.16/1.61      inference('split', [status(esa)], [zip_derived_cl165])).
% 7.16/1.61  thf('107', plain, (( (c1_1 @ a899)) | ~ ( (hskp1))),
% 7.16/1.61      inference('split', [status(esa)], [zip_derived_cl84])).
% 7.16/1.61  thf(clause86, conjecture, (~( ( c2_1 @ a899 ) | ( ~( hskp1 ) ) ))).
% 7.16/1.61  thf(zf_stmt_88, negated_conjecture, (( c2_1 @ a899 ) | ( ~( hskp1 ) )),
% 7.16/1.61    inference('cnf.neg', [status(esa)], [clause86])).
% 7.16/1.61  thf(zip_derived_cl85, plain, (( (c2_1 @ a899) | ~ (hskp1))),
% 7.16/1.61      inference('cnf', [status(esa)], [zf_stmt_88])).
% 7.16/1.61  thf('108', plain, (( (c2_1 @ a899)) | ~ ( (hskp1))),
% 7.16/1.61      inference('split', [status(esa)], [zip_derived_cl85])).
% 7.16/1.61  thf('109', plain, (~ ( (c0_1 @ a899)) | ~ ( (hskp1))),
% 7.16/1.61      inference('split', [status(esa)], [zip_derived_cl134])).
% 7.16/1.61  thf('110', plain,
% 7.16/1.61      (( (hskp18)) | 
% 7.16/1.61       (![X0 : $i]: ( (c1_1 @ X0) | ~ (c0_1 @ X0) | ~ (c3_1 @ X0))) | 
% 7.16/1.61       ~ ( (ndr1_0)) | 
% 7.16/1.61       (![X0 : $i]: ( (c2_1 @ X0) | ~ (c0_1 @ X0) |  (c3_1 @ X0)))),
% 7.16/1.61      inference('split', [status(esa)], [zip_derived_cl178])).
% 7.16/1.61  thf('111', plain, (( (c0_1 @ a918)) | ~ ( (hskp14))),
% 7.16/1.61      inference('split', [status(esa)], [zip_derived_cl70])).
% 7.16/1.61  thf(clause72, conjecture, (~( ( c3_1 @ a918 ) | ( ~( hskp14 ) ) ))).
% 7.16/1.61  thf(zf_stmt_89, negated_conjecture, (( c3_1 @ a918 ) | ( ~( hskp14 ) )),
% 7.16/1.61    inference('cnf.neg', [status(esa)], [clause72])).
% 7.16/1.61  thf(zip_derived_cl71, plain, (( (c3_1 @ a918) | ~ (hskp14))),
% 7.16/1.61      inference('cnf', [status(esa)], [zf_stmt_89])).
% 7.16/1.61  thf('112', plain, (( (c3_1 @ a918)) | ~ ( (hskp14))),
% 7.16/1.61      inference('split', [status(esa)], [zip_derived_cl71])).
% 7.16/1.61  thf('113', plain, (~ ( (c1_1 @ a918)) | ~ ( (hskp14))),
% 7.16/1.61      inference('split', [status(esa)], [zip_derived_cl109])).
% 7.16/1.61  thf(zip_derived_cl648, plain,
% 7.16/1.61      ((![X0 : $i]: ( (c1_1 @ X0) | ~ (c0_1 @ X0) | ~ (c3_1 @ X0)))
% 7.16/1.61         <= ((![X0 : $i]: ( (c1_1 @ X0) | ~ (c0_1 @ X0) | ~ (c3_1 @ X0))))),
% 7.16/1.61      inference('split', [status(esa)], [zip_derived_cl178])).
% 7.16/1.61  thf(zip_derived_cl426, plain, ((~ (c1_1 @ a918)) <= (~ ( (c1_1 @ a918)))),
% 7.16/1.61      inference('split', [status(esa)], [zip_derived_cl109])).
% 7.16/1.61  thf(zip_derived_cl1634, plain,
% 7.16/1.61      (((~ (c3_1 @ a918) | ~ (c0_1 @ a918)))
% 7.16/1.61         <= (~ ( (c1_1 @ a918)) & 
% 7.16/1.61             (![X0 : $i]: ( (c1_1 @ X0) | ~ (c0_1 @ X0) | ~ (c3_1 @ X0))))),
% 7.16/1.61      inference('s_sup-', [status(thm)], [zip_derived_cl648, zip_derived_cl426])).
% 7.16/1.61  thf('114', plain,
% 7.16/1.61      (~ (![X0 : $i]: ( (c1_1 @ X0) | ~ (c0_1 @ X0) | ~ (c3_1 @ X0))) | 
% 7.16/1.61       ~ ( (c0_1 @ a918)) | ( (c1_1 @ a918)) | ~ ( (c3_1 @ a918))),
% 7.16/1.61      inference('split', [status(esa)], [zip_derived_cl1634])).
% 7.16/1.61  thf(clause34, conjecture, (~( ( hskp9 ) | ( hskp12 ) | ( hskp0 ) ))).
% 7.16/1.61  thf(zf_stmt_90, negated_conjecture, (( hskp9 ) | ( hskp12 ) | ( hskp0 )),
% 7.16/1.61    inference('cnf.neg', [status(esa)], [clause34])).
% 7.16/1.61  thf(zip_derived_cl33, plain, (( (hskp9) |  (hskp12) |  (hskp0))),
% 7.16/1.61      inference('cnf', [status(esa)], [zf_stmt_90])).
% 7.16/1.61  thf('115', plain, (( (hskp12)) | ( (hskp0)) | ( (hskp9))),
% 7.16/1.61      inference('split', [status(esa)], [zip_derived_cl33])).
% 7.16/1.61  thf('116', plain,
% 7.16/1.61      (( (hskp1)) | 
% 7.16/1.61       (![X0 : $i]: ( (c2_1 @ X0) |  (c1_1 @ X0) |  (c0_1 @ X0))) | 
% 7.16/1.61       ( (hskp0)) | ~ ( (ndr1_0))),
% 7.16/1.61      inference('split', [status(esa)], [zip_derived_cl136])).
% 7.16/1.61  thf('117', plain,
% 7.16/1.61      (( (hskp1)) | 
% 7.16/1.61       (![X0 : $i]: ( (c2_1 @ X0) |  (c1_1 @ X0) | ~ (c0_1 @ X0))) | 
% 7.16/1.61       (![X1 : $i]: (~ (c3_1 @ X1) | ~ (c2_1 @ X1) | ~ (c1_1 @ X1))) | 
% 7.16/1.61       ~ ( (ndr1_0))),
% 7.16/1.61      inference('split', [status(esa)], [zip_derived_cl183])).
% 7.16/1.61  thf(zip_derived_cl636, plain,
% 7.16/1.61      ((![X0 : $i]: ( (c2_1 @ X0) |  (c1_1 @ X0) | ~ (c0_1 @ X0)))
% 7.16/1.61         <= ((![X0 : $i]: ( (c2_1 @ X0) |  (c1_1 @ X0) | ~ (c0_1 @ X0))))),
% 7.16/1.61      inference('split', [status(esa)], [zip_derived_cl175])).
% 7.16/1.61  thf(zip_derived_cl432, plain, ((~ (c1_1 @ a913)) <= (~ ( (c1_1 @ a913)))),
% 7.16/1.61      inference('split', [status(esa)], [zip_derived_cl112])).
% 7.16/1.61  thf(zip_derived_cl2262, plain,
% 7.16/1.61      (((~ (c0_1 @ a913) |  (c2_1 @ a913)))
% 7.16/1.61         <= (~ ( (c1_1 @ a913)) & 
% 7.16/1.61             (![X0 : $i]: ( (c2_1 @ X0) |  (c1_1 @ X0) | ~ (c0_1 @ X0))))),
% 7.16/1.61      inference('s_sup-', [status(thm)], [zip_derived_cl636, zip_derived_cl432])).
% 7.16/1.61  thf('118', plain,
% 7.16/1.61      (( (c2_1 @ a913)) | 
% 7.16/1.61       ~ (![X0 : $i]: ( (c2_1 @ X0) |  (c1_1 @ X0) | ~ (c0_1 @ X0))) | 
% 7.16/1.61       ( (c1_1 @ a913)) | ~ ( (c0_1 @ a913))),
% 7.16/1.61      inference('split', [status(esa)], [zip_derived_cl2262])).
% 7.16/1.61  thf(zip_derived_cl535, plain,
% 7.16/1.61      ((![X0 : $i]: ( (c2_1 @ X0) | ~ (c0_1 @ X0) |  (c3_1 @ X0)))
% 7.16/1.61         <= ((![X0 : $i]: ( (c2_1 @ X0) | ~ (c0_1 @ X0) |  (c3_1 @ X0))))),
% 7.16/1.61      inference('split', [status(esa)], [zip_derived_cl150])).
% 7.16/1.61  thf(clause55, conjecture, (~( ( c0_1 @ a969 ) | ( ~( hskp26 ) ) ))).
% 7.16/1.61  thf(zf_stmt_91, negated_conjecture, (( c0_1 @ a969 ) | ( ~( hskp26 ) )),
% 7.16/1.61    inference('cnf.neg', [status(esa)], [clause55])).
% 7.16/1.61  thf(zip_derived_cl54, plain, (( (c0_1 @ a969) | ~ (hskp26))),
% 7.16/1.61      inference('cnf', [status(esa)], [zf_stmt_91])).
% 7.16/1.61  thf(zip_derived_cl316, plain, (( (c0_1 @ a969)) <= (( (c0_1 @ a969)))),
% 7.16/1.61      inference('split', [status(esa)], [zip_derived_cl54])).
% 7.16/1.61  thf(zip_derived_cl1804, plain,
% 7.16/1.61      ((( (c3_1 @ a969) |  (c2_1 @ a969)))
% 7.16/1.61         <= (( (c0_1 @ a969)) & 
% 7.16/1.61             (![X0 : $i]: ( (c2_1 @ X0) | ~ (c0_1 @ X0) |  (c3_1 @ X0))))),
% 7.16/1.61      inference('s_sup+', [status(thm)], [zip_derived_cl535, zip_derived_cl316])).
% 7.16/1.61  thf('119', plain,
% 7.16/1.61      (~ ( (c0_1 @ a969)) | ( (c2_1 @ a969)) | 
% 7.16/1.61       ~ (![X0 : $i]: ( (c2_1 @ X0) | ~ (c0_1 @ X0) |  (c3_1 @ X0))) | 
% 7.16/1.61       ( (c3_1 @ a969))),
% 7.16/1.61      inference('split', [status(esa)], [zip_derived_cl1804])).
% 7.16/1.61  thf(zip_derived_cl667, plain,
% 7.16/1.61      ((![X1 : $i]: (~ (c3_1 @ X1) | ~ (c2_1 @ X1) | ~ (c1_1 @ X1)))
% 7.16/1.61         <= ((![X1 : $i]: (~ (c3_1 @ X1) | ~ (c2_1 @ X1) | ~ (c1_1 @ X1))))),
% 7.16/1.61      inference('split', [status(esa)], [zip_derived_cl183])).
% 7.16/1.61  thf(clause153, conjecture,
% 7.16/1.61    (~( ( hskp17 ) | ( hskp24 ) | ( c1_1 @ U ) | ( ~( ndr1_0 ) ) | 
% 7.16/1.61        ( ~( c3_1 @ U ) ) | ( ~( c2_1 @ U ) ) ))).
% 7.16/1.61  thf(zf_stmt_92, negated_conjecture,
% 7.16/1.61    (( hskp17 ) | ( hskp24 ) | ( c1_1 @ U ) | ( ~( ndr1_0 ) ) | 
% 7.16/1.61     ( ~( c3_1 @ U ) ) | ( ~( c2_1 @ U ) )),
% 7.16/1.61    inference('cnf.neg', [status(esa)], [clause153])).
% 7.16/1.61  thf(zip_derived_cl152, plain,
% 7.16/1.61      (![X0 : $i]:
% 7.16/1.61         ( (hskp17)
% 7.16/1.61          |  (hskp24)
% 7.16/1.61          |  (c1_1 @ X0)
% 7.16/1.61          | ~ (ndr1_0)
% 7.16/1.61          | ~ (c3_1 @ X0)
% 7.16/1.61          | ~ (c2_1 @ X0))),
% 7.16/1.61      inference('cnf', [status(esa)], [zf_stmt_92])).
% 7.16/1.61  thf(zip_derived_cl543, plain,
% 7.16/1.61      ((![X0 : $i]: (~ (c2_1 @ X0) |  (c1_1 @ X0) | ~ (c3_1 @ X0)))
% 7.16/1.61         <= ((![X0 : $i]: (~ (c2_1 @ X0) |  (c1_1 @ X0) | ~ (c3_1 @ X0))))),
% 7.16/1.61      inference('split', [status(esa)], [zip_derived_cl152])).
% 7.16/1.61  thf(zip_derived_cl1554, plain,
% 7.16/1.61      ((![X0 : $i]:
% 7.16/1.61          (~ (c2_1 @ X0) | ~ (c3_1 @ X0) | ~ (c2_1 @ X0) | ~ (c3_1 @ X0)))
% 7.16/1.61         <= ((![X0 : $i]: (~ (c2_1 @ X0) |  (c1_1 @ X0) | ~ (c3_1 @ X0))) & 
% 7.16/1.61             (![X1 : $i]: (~ (c3_1 @ X1) | ~ (c2_1 @ X1) | ~ (c1_1 @ X1))))),
% 7.16/1.61      inference('s_sup+', [status(thm)], [zip_derived_cl667, zip_derived_cl543])).
% 7.16/1.61  thf(zip_derived_cl1560, plain,
% 7.16/1.61      ((![X0 : $i]: (~ (c3_1 @ X0) | ~ (c2_1 @ X0)))
% 7.16/1.61         <= ((![X0 : $i]: (~ (c2_1 @ X0) |  (c1_1 @ X0) | ~ (c3_1 @ X0))) & 
% 7.16/1.61             (![X1 : $i]: (~ (c3_1 @ X1) | ~ (c2_1 @ X1) | ~ (c1_1 @ X1))))),
% 7.16/1.61      inference('simplify', [status(thm)], [zip_derived_cl1554])).
% 7.16/1.61  thf(clause52, conjecture, (~( ( c3_1 @ a900 ) | ( ~( hskp28 ) ) ))).
% 7.16/1.61  thf(zf_stmt_93, negated_conjecture, (( c3_1 @ a900 ) | ( ~( hskp28 ) )),
% 7.16/1.61    inference('cnf.neg', [status(esa)], [clause52])).
% 7.16/1.61  thf(zip_derived_cl51, plain, (( (c3_1 @ a900) | ~ (hskp28))),
% 7.16/1.61      inference('cnf', [status(esa)], [zf_stmt_93])).
% 7.16/1.61  thf(zip_derived_cl310, plain, (( (c3_1 @ a900)) <= (( (c3_1 @ a900)))),
% 7.16/1.61      inference('split', [status(esa)], [zip_derived_cl51])).
% 7.16/1.61  thf(zip_derived_cl2340, plain,
% 7.16/1.61      ((~ (c2_1 @ a900))
% 7.16/1.61         <= (( (c3_1 @ a900)) & 
% 7.16/1.61             (![X0 : $i]: (~ (c2_1 @ X0) |  (c1_1 @ X0) | ~ (c3_1 @ X0))) & 
% 7.16/1.61             (![X1 : $i]: (~ (c3_1 @ X1) | ~ (c2_1 @ X1) | ~ (c1_1 @ X1))))),
% 7.16/1.61      inference('s_sup+', [status(thm)],
% 7.16/1.61                [zip_derived_cl1560, zip_derived_cl310])).
% 7.16/1.61  thf(clause51, conjecture, (~( ( c2_1 @ a900 ) | ( ~( hskp28 ) ) ))).
% 7.16/1.61  thf(zf_stmt_94, negated_conjecture, (( c2_1 @ a900 ) | ( ~( hskp28 ) )),
% 7.16/1.61    inference('cnf.neg', [status(esa)], [clause51])).
% 7.16/1.61  thf(zip_derived_cl50, plain, (( (c2_1 @ a900) | ~ (hskp28))),
% 7.16/1.61      inference('cnf', [status(esa)], [zf_stmt_94])).
% 7.16/1.61  thf(zip_derived_cl308, plain, (( (c2_1 @ a900)) <= (( (c2_1 @ a900)))),
% 7.16/1.61      inference('split', [status(esa)], [zip_derived_cl50])).
% 7.16/1.61  thf('120', plain,
% 7.16/1.61      (~ (![X0 : $i]: (~ (c2_1 @ X0) |  (c1_1 @ X0) | ~ (c3_1 @ X0))) | 
% 7.16/1.61       ~ ( (c2_1 @ a900)) | 
% 7.16/1.61       ~ (![X1 : $i]: (~ (c3_1 @ X1) | ~ (c2_1 @ X1) | ~ (c1_1 @ X1))) | 
% 7.16/1.61       ~ ( (c3_1 @ a900))),
% 7.16/1.61      inference('s_sup+', [status(thm)],
% 7.16/1.61                [zip_derived_cl2340, zip_derived_cl308])).
% 7.16/1.61  thf(zip_derived_cl551, plain,
% 7.16/1.61      ((![X0 : $i]: ( (c2_1 @ X0) | ~ (c0_1 @ X0) | ~ (c3_1 @ X0)))
% 7.16/1.61         <= ((![X0 : $i]: ( (c2_1 @ X0) | ~ (c0_1 @ X0) | ~ (c3_1 @ X0))))),
% 7.16/1.61      inference('split', [status(esa)], [zip_derived_cl154])).
% 7.16/1.61  thf(zip_derived_cl316, plain, (( (c0_1 @ a969)) <= (( (c0_1 @ a969)))),
% 7.16/1.61      inference('split', [status(esa)], [zip_derived_cl54])).
% 7.16/1.61  thf(zip_derived_cl1088, plain,
% 7.16/1.61      (((~ (c3_1 @ a969) |  (c2_1 @ a969)))
% 7.16/1.61         <= (( (c0_1 @ a969)) & 
% 7.16/1.61             (![X0 : $i]: ( (c2_1 @ X0) | ~ (c0_1 @ X0) | ~ (c3_1 @ X0))))),
% 7.16/1.61      inference('s_sup+', [status(thm)], [zip_derived_cl551, zip_derived_cl316])).
% 7.16/1.61  thf('121', plain,
% 7.16/1.61      (~ ( (c3_1 @ a969)) | ~ ( (c0_1 @ a969)) | 
% 7.16/1.61       ~ (![X0 : $i]: ( (c2_1 @ X0) | ~ (c0_1 @ X0) | ~ (c3_1 @ X0))) | 
% 7.16/1.61       ( (c2_1 @ a969))),
% 7.16/1.61      inference('split', [status(esa)], [zip_derived_cl1088])).
% 7.16/1.61  thf('122', plain, (( (c0_1 @ a969)) | ~ ( (hskp26))),
% 7.16/1.61      inference('split', [status(esa)], [zip_derived_cl54])).
% 7.16/1.61  thf('123', plain, (~ ( (c1_1 @ a969)) | ~ ( (hskp26))),
% 7.16/1.61      inference('split', [status(esa)], [zip_derived_cl89])).
% 7.16/1.61  thf(clause91, conjecture, (~( ( ~( hskp26 ) ) | ( ~( c2_1 @ a969 ) ) ))).
% 7.16/1.61  thf(zf_stmt_95, negated_conjecture, (( ~( hskp26 ) ) | ( ~( c2_1 @ a969 ) )),
% 7.16/1.61    inference('cnf.neg', [status(esa)], [clause91])).
% 7.16/1.61  thf(zip_derived_cl90, plain, ((~ (hskp26) | ~ (c2_1 @ a969))),
% 7.16/1.61      inference('cnf', [status(esa)], [zf_stmt_95])).
% 7.16/1.61  thf('124', plain, (~ ( (c2_1 @ a969)) | ~ ( (hskp26))),
% 7.16/1.61      inference('split', [status(esa)], [zip_derived_cl90])).
% 7.16/1.61  thf('125', plain,
% 7.16/1.61      (( (hskp22)) | 
% 7.16/1.61       (![X0 : $i]: ( (c2_1 @ X0) |  (c1_1 @ X0) | ~ (c0_1 @ X0))) | 
% 7.16/1.61       ~ ( (ndr1_0)) | 
% 7.16/1.61       (![X0 : $i]: (~ (c2_1 @ X0) |  (c1_1 @ X0) | ~ (c3_1 @ X0)))),
% 7.16/1.61      inference('split', [status(esa)], [zip_derived_cl175])).
% 7.16/1.61  thf(zip_derived_cl636, plain,
% 7.16/1.61      ((![X0 : $i]: ( (c2_1 @ X0) |  (c1_1 @ X0) | ~ (c0_1 @ X0)))
% 7.16/1.61         <= ((![X0 : $i]: ( (c2_1 @ X0) |  (c1_1 @ X0) | ~ (c0_1 @ X0))))),
% 7.16/1.61      inference('split', [status(esa)], [zip_derived_cl175])).
% 7.16/1.61  thf(zip_derived_cl386, plain, ((~ (c1_1 @ a969)) <= (~ ( (c1_1 @ a969)))),
% 7.16/1.61      inference('split', [status(esa)], [zip_derived_cl89])).
% 7.16/1.61  thf(zip_derived_cl2257, plain,
% 7.16/1.61      (((~ (c0_1 @ a969) |  (c2_1 @ a969)))
% 7.16/1.61         <= (~ ( (c1_1 @ a969)) & 
% 7.16/1.61             (![X0 : $i]: ( (c2_1 @ X0) |  (c1_1 @ X0) | ~ (c0_1 @ X0))))),
% 7.16/1.61      inference('s_sup-', [status(thm)], [zip_derived_cl636, zip_derived_cl386])).
% 7.16/1.61  thf('126', plain,
% 7.16/1.61      (( (c1_1 @ a969)) | ~ ( (c0_1 @ a969)) | 
% 7.16/1.61       ~ (![X0 : $i]: ( (c2_1 @ X0) |  (c1_1 @ X0) | ~ (c0_1 @ X0))) | 
% 7.16/1.61       ( (c2_1 @ a969))),
% 7.16/1.61      inference('split', [status(esa)], [zip_derived_cl2257])).
% 7.16/1.61  thf(clause39, conjecture, (~( ( hskp22 ) | ( hskp26 ) | ( hskp23 ) ))).
% 7.16/1.61  thf(zf_stmt_96, negated_conjecture, (( hskp22 ) | ( hskp26 ) | ( hskp23 )),
% 7.16/1.61    inference('cnf.neg', [status(esa)], [clause39])).
% 7.16/1.61  thf(zip_derived_cl38, plain, (( (hskp22) |  (hskp26) |  (hskp23))),
% 7.16/1.61      inference('cnf', [status(esa)], [zf_stmt_96])).
% 7.16/1.61  thf('127', plain, (( (hskp26)) | ( (hskp22)) | ( (hskp23))),
% 7.16/1.61      inference('split', [status(esa)], [zip_derived_cl38])).
% 7.16/1.61  thf('128', plain, (( (c2_1 @ a900)) | ~ ( (hskp28))),
% 7.16/1.61      inference('split', [status(esa)], [zip_derived_cl50])).
% 7.16/1.61  thf('129', plain, (( (c3_1 @ a900)) | ~ ( (hskp28))),
% 7.16/1.61      inference('split', [status(esa)], [zip_derived_cl51])).
% 7.16/1.61  thf(zip_derived_cl519, plain,
% 7.16/1.61      ((![X0 : $i]: (~ (c2_1 @ X0) |  (c0_1 @ X0) |  (c3_1 @ X0)))
% 7.16/1.61         <= ((![X0 : $i]: (~ (c2_1 @ X0) |  (c0_1 @ X0) |  (c3_1 @ X0))))),
% 7.16/1.61      inference('split', [status(esa)], [zip_derived_cl146])).
% 7.16/1.61  thf(clause97, conjecture, (~( ( ~( hskp22 ) ) | ( ~( c0_1 @ a939 ) ) ))).
% 7.16/1.61  thf(zf_stmt_97, negated_conjecture, (( ~( hskp22 ) ) | ( ~( c0_1 @ a939 ) )),
% 7.16/1.61    inference('cnf.neg', [status(esa)], [clause97])).
% 7.16/1.61  thf(zip_derived_cl96, plain, ((~ (hskp22) | ~ (c0_1 @ a939))),
% 7.16/1.61      inference('cnf', [status(esa)], [zf_stmt_97])).
% 7.16/1.61  thf(zip_derived_cl400, plain, ((~ (c0_1 @ a939)) <= (~ ( (c0_1 @ a939)))),
% 7.16/1.61      inference('split', [status(esa)], [zip_derived_cl96])).
% 7.16/1.61  thf(zip_derived_cl1767, plain,
% 7.16/1.61      ((( (c3_1 @ a939) | ~ (c2_1 @ a939)))
% 7.16/1.61         <= (~ ( (c0_1 @ a939)) & 
% 7.16/1.61             (![X0 : $i]: (~ (c2_1 @ X0) |  (c0_1 @ X0) |  (c3_1 @ X0))))),
% 7.16/1.61      inference('s_sup-', [status(thm)], [zip_derived_cl519, zip_derived_cl400])).
% 7.16/1.61  thf('130', plain,
% 7.16/1.61      (~ (![X0 : $i]: (~ (c2_1 @ X0) |  (c0_1 @ X0) |  (c3_1 @ X0))) | 
% 7.16/1.61       ~ ( (c2_1 @ a939)) | ( (c3_1 @ a939)) | ( (c0_1 @ a939))),
% 7.16/1.61      inference('split', [status(esa)], [zip_derived_cl1767])).
% 7.16/1.61  thf('131', plain, (( (c1_1 @ a939)) | ~ ( (hskp22))),
% 7.16/1.61      inference('split', [status(esa)], [zip_derived_cl59])).
% 7.16/1.61  thf('132', plain, (~ ( (c0_1 @ a939)) | ~ ( (hskp22))),
% 7.16/1.61      inference('split', [status(esa)], [zip_derived_cl96])).
% 7.16/1.61  thf(clause98, conjecture, (~( ( ~( hskp22 ) ) | ( ~( c3_1 @ a939 ) ) ))).
% 7.16/1.61  thf(zf_stmt_98, negated_conjecture, (( ~( hskp22 ) ) | ( ~( c3_1 @ a939 ) )),
% 7.16/1.61    inference('cnf.neg', [status(esa)], [clause98])).
% 7.16/1.61  thf(zip_derived_cl97, plain, ((~ (hskp22) | ~ (c3_1 @ a939))),
% 7.16/1.61      inference('cnf', [status(esa)], [zf_stmt_98])).
% 7.16/1.61  thf('133', plain, (~ ( (c3_1 @ a939)) | ~ ( (hskp22))),
% 7.16/1.61      inference('split', [status(esa)], [zip_derived_cl97])).
% 7.16/1.61  thf('134', plain,
% 7.16/1.61      (( (hskp17)) | ( (hskp0)) | 
% 7.16/1.61       (![X0 : $i]: (~ (c2_1 @ X0) |  (c0_1 @ X0) |  (c3_1 @ X0))) | 
% 7.16/1.61       ~ ( (ndr1_0))),
% 7.16/1.61      inference('split', [status(esa)], [zip_derived_cl146])).
% 7.16/1.61  thf(clause37, conjecture, (~( ( hskp17 ) | ( hskp22 ) | ( hskp28 ) ))).
% 7.16/1.61  thf(zf_stmt_99, negated_conjecture, (( hskp17 ) | ( hskp22 ) | ( hskp28 )),
% 7.16/1.61    inference('cnf.neg', [status(esa)], [clause37])).
% 7.16/1.61  thf(zip_derived_cl36, plain, (( (hskp17) |  (hskp22) |  (hskp28))),
% 7.16/1.61      inference('cnf', [status(esa)], [zf_stmt_99])).
% 7.16/1.61  thf('135', plain, (( (hskp22)) | ( (hskp17)) | ( (hskp28))),
% 7.16/1.61      inference('split', [status(esa)], [zip_derived_cl36])).
% 7.16/1.61  thf(zip_derived_cl488, plain,
% 7.16/1.61      ((![X0 : $i]: ( (c2_1 @ X0) | ~ (c1_1 @ X0) |  (c3_1 @ X0)))
% 7.16/1.61         <= ((![X0 : $i]: ( (c2_1 @ X0) | ~ (c1_1 @ X0) |  (c3_1 @ X0))))),
% 7.16/1.61      inference('split', [status(esa)], [zip_derived_cl138])).
% 7.16/1.61  thf(zip_derived_cl326, plain, (( (c1_1 @ a939)) <= (( (c1_1 @ a939)))),
% 7.16/1.61      inference('split', [status(esa)], [zip_derived_cl59])).
% 7.16/1.61  thf(zip_derived_cl1245, plain,
% 7.16/1.61      ((( (c3_1 @ a939) |  (c2_1 @ a939)))
% 7.16/1.61         <= (( (c1_1 @ a939)) & 
% 7.16/1.61             (![X0 : $i]: ( (c2_1 @ X0) | ~ (c1_1 @ X0) |  (c3_1 @ X0))))),
% 7.16/1.61      inference('s_sup+', [status(thm)], [zip_derived_cl488, zip_derived_cl326])).
% 7.16/1.61  thf('136', plain,
% 7.16/1.61      (( (c2_1 @ a939)) | 
% 7.16/1.61       ~ (![X0 : $i]: ( (c2_1 @ X0) | ~ (c1_1 @ X0) |  (c3_1 @ X0))) | 
% 7.16/1.61       ~ ( (c1_1 @ a939)) | ( (c3_1 @ a939))),
% 7.16/1.61      inference('split', [status(esa)], [zip_derived_cl1245])).
% 7.16/1.61  thf(zip_derived_cl488, plain,
% 7.16/1.61      ((![X0 : $i]: ( (c2_1 @ X0) | ~ (c1_1 @ X0) |  (c3_1 @ X0)))
% 7.16/1.61         <= ((![X0 : $i]: ( (c2_1 @ X0) | ~ (c1_1 @ X0) |  (c3_1 @ X0))))),
% 7.16/1.61      inference('split', [status(esa)], [zip_derived_cl138])).
% 7.16/1.61  thf(zip_derived_cl382, plain, (( (c1_1 @ a898)) <= (( (c1_1 @ a898)))),
% 7.16/1.61      inference('split', [status(esa)], [zip_derived_cl87])).
% 7.16/1.61  thf(zip_derived_cl1252, plain,
% 7.16/1.61      ((( (c3_1 @ a898) |  (c2_1 @ a898)))
% 7.16/1.61         <= (( (c1_1 @ a898)) & 
% 7.16/1.61             (![X0 : $i]: ( (c2_1 @ X0) | ~ (c1_1 @ X0) |  (c3_1 @ X0))))),
% 7.16/1.61      inference('s_sup+', [status(thm)], [zip_derived_cl488, zip_derived_cl382])).
% 7.16/1.61  thf('137', plain,
% 7.16/1.61      (~ (![X0 : $i]: ( (c2_1 @ X0) | ~ (c1_1 @ X0) |  (c3_1 @ X0))) | 
% 7.16/1.61       ( (c3_1 @ a898)) | ( (c2_1 @ a898)) | ~ ( (c1_1 @ a898))),
% 7.16/1.61      inference('split', [status(esa)], [zip_derived_cl1252])).
% 7.16/1.61  thf(zip_derived_cl551, plain,
% 7.16/1.61      ((![X0 : $i]: ( (c2_1 @ X0) | ~ (c0_1 @ X0) | ~ (c3_1 @ X0)))
% 7.16/1.61         <= ((![X0 : $i]: ( (c2_1 @ X0) | ~ (c0_1 @ X0) | ~ (c3_1 @ X0))))),
% 7.16/1.61      inference('split', [status(esa)], [zip_derived_cl154])).
% 7.16/1.61  thf(clause87, conjecture, (~( ( c0_1 @ a898 ) | ( ~( hskp0 ) ) ))).
% 7.16/1.61  thf(zf_stmt_100, negated_conjecture, (( c0_1 @ a898 ) | ( ~( hskp0 ) )),
% 7.16/1.61    inference('cnf.neg', [status(esa)], [clause87])).
% 7.16/1.61  thf(zip_derived_cl86, plain, (( (c0_1 @ a898) | ~ (hskp0))),
% 7.16/1.61      inference('cnf', [status(esa)], [zf_stmt_100])).
% 7.16/1.61  thf(zip_derived_cl380, plain, (( (c0_1 @ a898)) <= (( (c0_1 @ a898)))),
% 7.16/1.61      inference('split', [status(esa)], [zip_derived_cl86])).
% 7.16/1.61  thf(zip_derived_cl1096, plain,
% 7.16/1.61      (((~ (c3_1 @ a898) |  (c2_1 @ a898)))
% 7.16/1.61         <= (( (c0_1 @ a898)) & 
% 7.16/1.61             (![X0 : $i]: ( (c2_1 @ X0) | ~ (c0_1 @ X0) | ~ (c3_1 @ X0))))),
% 7.16/1.61      inference('s_sup+', [status(thm)], [zip_derived_cl551, zip_derived_cl380])).
% 7.16/1.61  thf('138', plain,
% 7.16/1.61      (~ (![X0 : $i]: ( (c2_1 @ X0) | ~ (c0_1 @ X0) | ~ (c3_1 @ X0))) | 
% 7.16/1.61       ~ ( (c3_1 @ a898)) | ~ ( (c0_1 @ a898)) | ( (c2_1 @ a898))),
% 7.16/1.61      inference('split', [status(esa)], [zip_derived_cl1096])).
% 7.16/1.61  thf('139', plain, (( (c1_1 @ a928)) | ~ ( (hskp17))),
% 7.16/1.61      inference('split', [status(esa)], [zip_derived_cl65])).
% 7.16/1.61  thf(clause106, conjecture, (~( ( ~( hskp17 ) ) | ( ~( c2_1 @ a928 ) ) ))).
% 7.16/1.61  thf(zf_stmt_101, negated_conjecture,
% 7.16/1.61    (( ~( hskp17 ) ) | ( ~( c2_1 @ a928 ) )),
% 7.16/1.61    inference('cnf.neg', [status(esa)], [clause106])).
% 7.16/1.61  thf(zip_derived_cl105, plain, ((~ (hskp17) | ~ (c2_1 @ a928))),
% 7.16/1.61      inference('cnf', [status(esa)], [zf_stmt_101])).
% 7.16/1.61  thf('140', plain, (~ ( (c2_1 @ a928)) | ~ ( (hskp17))),
% 7.16/1.61      inference('split', [status(esa)], [zip_derived_cl105])).
% 7.16/1.61  thf(clause107, conjecture, (~( ( ~( hskp17 ) ) | ( ~( c3_1 @ a928 ) ) ))).
% 7.16/1.61  thf(zf_stmt_102, negated_conjecture,
% 7.16/1.61    (( ~( hskp17 ) ) | ( ~( c3_1 @ a928 ) )),
% 7.16/1.61    inference('cnf.neg', [status(esa)], [clause107])).
% 7.16/1.61  thf(zip_derived_cl106, plain, ((~ (hskp17) | ~ (c3_1 @ a928))),
% 7.16/1.61      inference('cnf', [status(esa)], [zf_stmt_102])).
% 7.16/1.61  thf('141', plain, (~ ( (c3_1 @ a928)) | ~ ( (hskp17))),
% 7.16/1.61      inference('split', [status(esa)], [zip_derived_cl106])).
% 7.16/1.61  thf(zip_derived_cl488, plain,
% 7.16/1.61      ((![X0 : $i]: ( (c2_1 @ X0) | ~ (c1_1 @ X0) |  (c3_1 @ X0)))
% 7.16/1.61         <= ((![X0 : $i]: ( (c2_1 @ X0) | ~ (c1_1 @ X0) |  (c3_1 @ X0))))),
% 7.16/1.61      inference('split', [status(esa)], [zip_derived_cl138])).
% 7.16/1.61  thf(zip_derived_cl338, plain, (( (c1_1 @ a928)) <= (( (c1_1 @ a928)))),
% 7.16/1.61      inference('split', [status(esa)], [zip_derived_cl65])).
% 7.16/1.61  thf(zip_derived_cl1246, plain,
% 7.16/1.61      ((( (c3_1 @ a928) |  (c2_1 @ a928)))
% 7.16/1.61         <= (( (c1_1 @ a928)) & 
% 7.16/1.61             (![X0 : $i]: ( (c2_1 @ X0) | ~ (c1_1 @ X0) |  (c3_1 @ X0))))),
% 7.16/1.61      inference('s_sup+', [status(thm)], [zip_derived_cl488, zip_derived_cl338])).
% 7.16/1.61  thf('142', plain,
% 7.16/1.61      (( (c2_1 @ a928)) | ( (c3_1 @ a928)) | 
% 7.16/1.61       ~ (![X0 : $i]: ( (c2_1 @ X0) | ~ (c1_1 @ X0) |  (c3_1 @ X0))) | 
% 7.16/1.61       ~ ( (c1_1 @ a928))),
% 7.16/1.61      inference('split', [status(esa)], [zip_derived_cl1246])).
% 7.16/1.61  thf(zip_derived_cl628, plain,
% 7.16/1.61      ((![X0 : $i]: (~ (c2_1 @ X0) | ~ (c1_1 @ X0) |  (c0_1 @ X0)))
% 7.16/1.61         <= ((![X0 : $i]: (~ (c2_1 @ X0) | ~ (c1_1 @ X0) |  (c0_1 @ X0))))),
% 7.16/1.61      inference('split', [status(esa)], [zip_derived_cl173])).
% 7.16/1.61  thf(zip_derived_cl376, plain, (( (c1_1 @ a899)) <= (( (c1_1 @ a899)))),
% 7.16/1.61      inference('split', [status(esa)], [zip_derived_cl84])).
% 7.16/1.61  thf(zip_derived_cl1367, plain,
% 7.16/1.61      ((( (c0_1 @ a899) | ~ (c2_1 @ a899)))
% 7.16/1.61         <= (( (c1_1 @ a899)) & 
% 7.16/1.61             (![X0 : $i]: (~ (c2_1 @ X0) | ~ (c1_1 @ X0) |  (c0_1 @ X0))))),
% 7.16/1.61      inference('s_sup+', [status(thm)], [zip_derived_cl628, zip_derived_cl376])).
% 7.16/1.61  thf('143', plain,
% 7.16/1.61      (~ (![X0 : $i]: (~ (c2_1 @ X0) | ~ (c1_1 @ X0) |  (c0_1 @ X0))) | 
% 7.16/1.61       ~ ( (c1_1 @ a899)) | ( (c0_1 @ a899)) | ~ ( (c2_1 @ a899))),
% 7.16/1.61      inference('split', [status(esa)], [zip_derived_cl1367])).
% 7.16/1.61  thf('144', plain, (( (c0_1 @ a929)) | ~ ( (hskp18))),
% 7.16/1.61      inference('split', [status(esa)], [zip_derived_cl63])).
% 7.16/1.61  thf(clause65, conjecture, (~( ( c2_1 @ a929 ) | ( ~( hskp18 ) ) ))).
% 7.16/1.61  thf(zf_stmt_103, negated_conjecture, (( c2_1 @ a929 ) | ( ~( hskp18 ) )),
% 7.16/1.61    inference('cnf.neg', [status(esa)], [clause65])).
% 7.16/1.61  thf(zip_derived_cl64, plain, (( (c2_1 @ a929) | ~ (hskp18))),
% 7.16/1.61      inference('cnf', [status(esa)], [zf_stmt_103])).
% 7.16/1.61  thf('145', plain, (( (c2_1 @ a929)) | ~ ( (hskp18))),
% 7.16/1.61      inference('split', [status(esa)], [zip_derived_cl64])).
% 7.16/1.61  thf('146', plain, (~ ( (c1_1 @ a929)) | ~ ( (hskp18))),
% 7.16/1.61      inference('split', [status(esa)], [zip_derived_cl104])).
% 7.16/1.61  thf(zip_derived_cl603, plain,
% 7.16/1.61      ((![X1 : $i]: (~ (c2_1 @ X1) |  (c1_1 @ X1) | ~ (c0_1 @ X1)))
% 7.16/1.61         <= ((![X1 : $i]: (~ (c2_1 @ X1) |  (c1_1 @ X1) | ~ (c0_1 @ X1))))),
% 7.16/1.61      inference('split', [status(esa)], [zip_derived_cl167])).
% 7.16/1.61  thf(zip_derived_cl416, plain, ((~ (c1_1 @ a929)) <= (~ ( (c1_1 @ a929)))),
% 7.16/1.61      inference('split', [status(esa)], [zip_derived_cl104])).
% 7.16/1.61  thf(zip_derived_cl1581, plain,
% 7.16/1.61      (((~ (c0_1 @ a929) | ~ (c2_1 @ a929)))
% 7.16/1.61         <= (~ ( (c1_1 @ a929)) & 
% 7.16/1.61             (![X1 : $i]: (~ (c2_1 @ X1) |  (c1_1 @ X1) | ~ (c0_1 @ X1))))),
% 7.16/1.61      inference('s_sup-', [status(thm)], [zip_derived_cl603, zip_derived_cl416])).
% 7.16/1.61  thf('147', plain,
% 7.16/1.61      (~ (![X1 : $i]: (~ (c2_1 @ X1) |  (c1_1 @ X1) | ~ (c0_1 @ X1))) | 
% 7.16/1.61       ~ ( (c0_1 @ a929)) | ~ ( (c2_1 @ a929)) | ( (c1_1 @ a929))),
% 7.16/1.61      inference('split', [status(esa)], [zip_derived_cl1581])).
% 7.16/1.61  thf(clause61, conjecture, (~( ( c0_1 @ a938 ) | ( ~( hskp21 ) ) ))).
% 7.16/1.61  thf(zf_stmt_104, negated_conjecture, (( c0_1 @ a938 ) | ( ~( hskp21 ) )),
% 7.16/1.61    inference('cnf.neg', [status(esa)], [clause61])).
% 7.16/1.61  thf(zip_derived_cl60, plain, (( (c0_1 @ a938) | ~ (hskp21))),
% 7.16/1.61      inference('cnf', [status(esa)], [zf_stmt_104])).
% 7.16/1.61  thf('148', plain, (( (c0_1 @ a938)) | ~ ( (hskp21))),
% 7.16/1.61      inference('split', [status(esa)], [zip_derived_cl60])).
% 7.16/1.61  thf(clause99, conjecture, (~( ( ~( hskp21 ) ) | ( ~( c2_1 @ a938 ) ) ))).
% 7.16/1.61  thf(zf_stmt_105, negated_conjecture,
% 7.16/1.61    (( ~( hskp21 ) ) | ( ~( c2_1 @ a938 ) )),
% 7.16/1.61    inference('cnf.neg', [status(esa)], [clause99])).
% 7.16/1.61  thf(zip_derived_cl98, plain, ((~ (hskp21) | ~ (c2_1 @ a938))),
% 7.16/1.61      inference('cnf', [status(esa)], [zf_stmt_105])).
% 7.16/1.61  thf('149', plain, (~ ( (c2_1 @ a938)) | ~ ( (hskp21))),
% 7.16/1.61      inference('split', [status(esa)], [zip_derived_cl98])).
% 7.16/1.61  thf(clause100, conjecture, (~( ( ~( hskp21 ) ) | ( ~( c3_1 @ a938 ) ) ))).
% 7.16/1.61  thf(zf_stmt_106, negated_conjecture,
% 7.16/1.61    (( ~( hskp21 ) ) | ( ~( c3_1 @ a938 ) )),
% 7.16/1.61    inference('cnf.neg', [status(esa)], [clause100])).
% 7.16/1.61  thf(zip_derived_cl99, plain, ((~ (hskp21) | ~ (c3_1 @ a938))),
% 7.16/1.61      inference('cnf', [status(esa)], [zf_stmt_106])).
% 7.16/1.61  thf('150', plain, (~ ( (c3_1 @ a938)) | ~ ( (hskp21))),
% 7.16/1.61      inference('split', [status(esa)], [zip_derived_cl99])).
% 7.16/1.61  thf(clause190, conjecture,
% 7.16/1.61    (~( ( hskp21 ) | ( c3_1 @ V ) | ( ~( c1_1 @ V ) ) | ( ~( c0_1 @ V ) ) | 
% 7.16/1.61        ( ~( ndr1_0 ) ) | ( ~( c3_1 @ U ) ) | ( ~( c2_1 @ U ) ) | 
% 7.16/1.61        ( ~( c0_1 @ U ) ) ))).
% 7.16/1.61  thf(zf_stmt_107, negated_conjecture,
% 7.16/1.61    (( hskp21 ) | ( c3_1 @ V ) | ( ~( c1_1 @ V ) ) | ( ~( c0_1 @ V ) ) | 
% 7.16/1.61     ( ~( ndr1_0 ) ) | ( ~( c3_1 @ U ) ) | ( ~( c2_1 @ U ) ) | 
% 7.16/1.61     ( ~( c0_1 @ U ) )),
% 7.16/1.61    inference('cnf.neg', [status(esa)], [clause190])).
% 7.16/1.61  thf(zip_derived_cl189, plain,
% 7.16/1.61      (![X0 : $i, X1 : $i]:
% 7.16/1.61         ( (hskp21)
% 7.16/1.61          |  (c3_1 @ X0)
% 7.16/1.61          | ~ (c1_1 @ X0)
% 7.16/1.61          | ~ (c0_1 @ X0)
% 7.16/1.61          | ~ (ndr1_0)
% 7.16/1.61          | ~ (c3_1 @ X1)
% 7.16/1.61          | ~ (c2_1 @ X1)
% 7.16/1.61          | ~ (c0_1 @ X1))),
% 7.16/1.61      inference('cnf', [status(esa)], [zf_stmt_107])).
% 7.16/1.61  thf('151', plain,
% 7.16/1.61      (( (hskp21)) | 
% 7.16/1.61       (![X0 : $i]: (~ (c1_1 @ X0) | ~ (c0_1 @ X0) |  (c3_1 @ X0))) | 
% 7.16/1.61       ~ ( (ndr1_0)) | 
% 7.16/1.61       (![X0 : $i]: (~ (c2_1 @ X0) | ~ (c0_1 @ X0) | ~ (c3_1 @ X0)))),
% 7.16/1.61      inference('split', [status(esa)], [zip_derived_cl189])).
% 7.16/1.61  thf(zip_derived_cl539, plain,
% 7.16/1.61      ((![X0 : $i]: (~ (c1_1 @ X0) |  (c0_1 @ X0) | ~ (c3_1 @ X0)))
% 7.16/1.61         <= ((![X0 : $i]: (~ (c1_1 @ X0) |  (c0_1 @ X0) | ~ (c3_1 @ X0))))),
% 7.16/1.61      inference('split', [status(esa)], [zip_derived_cl151])).
% 7.16/1.61  thf(zip_derived_cl288, plain, (( (c1_1 @ a957)) <= (( (c1_1 @ a957)))),
% 7.16/1.61      inference('split', [status(esa)], [zip_derived_cl40])).
% 7.16/1.61  thf(zip_derived_cl997, plain,
% 7.16/1.61      (((~ (c3_1 @ a957) |  (c0_1 @ a957)))
% 7.16/1.61         <= (( (c1_1 @ a957)) & 
% 7.16/1.61             (![X0 : $i]: (~ (c1_1 @ X0) |  (c0_1 @ X0) | ~ (c3_1 @ X0))))),
% 7.16/1.61      inference('s_sup+', [status(thm)], [zip_derived_cl539, zip_derived_cl288])).
% 7.16/1.61  thf(zip_derived_cl1518, plain, (( (c0_1 @ a957)) <= (( (c0_1 @ a957)))),
% 7.16/1.61      inference('split', [status(esa)], [zip_derived_cl997])).
% 7.16/1.61  thf(zip_derived_cl571, plain,
% 7.16/1.61      ((![X0 : $i]: (~ (c2_1 @ X0) | ~ (c0_1 @ X0) | ~ (c3_1 @ X0)))
% 7.16/1.61         <= ((![X0 : $i]: (~ (c2_1 @ X0) | ~ (c0_1 @ X0) | ~ (c3_1 @ X0))))),
% 7.16/1.61      inference('split', [status(esa)], [zip_derived_cl159])).
% 7.16/1.61  thf(zip_derived_cl1522, plain,
% 7.16/1.61      (((~ (c2_1 @ a957) | ~ (c3_1 @ a957)))
% 7.16/1.61         <= ((![X0 : $i]: (~ (c2_1 @ X0) | ~ (c0_1 @ X0) | ~ (c3_1 @ X0))) & 
% 7.16/1.61             ( (c0_1 @ a957)))),
% 7.16/1.61      inference('s_sup-', [status(thm)],
% 7.16/1.61                [zip_derived_cl1518, zip_derived_cl571])).
% 7.16/1.61  thf('152', plain,
% 7.16/1.61      (~ ( (c0_1 @ a957)) | 
% 7.16/1.61       ~ (![X0 : $i]: (~ (c2_1 @ X0) | ~ (c0_1 @ X0) | ~ (c3_1 @ X0))) | 
% 7.16/1.61       ~ ( (c3_1 @ a957)) | ~ ( (c2_1 @ a957))),
% 7.16/1.61      inference('split', [status(esa)], [zip_derived_cl1522])).
% 7.16/1.61  thf('153', plain,
% 7.16/1.61      (~ (![X0 : $i]: (~ (c1_1 @ X0) |  (c0_1 @ X0) | ~ (c3_1 @ X0))) | 
% 7.16/1.61       ( (c0_1 @ a957)) | ~ ( (c1_1 @ a957)) | ~ ( (c3_1 @ a957))),
% 7.16/1.61      inference('split', [status(esa)], [zip_derived_cl997])).
% 7.16/1.61  thf('154', plain,
% 7.16/1.61      (( (hskp12)) | ( (hskp10)) | 
% 7.16/1.61       (![X0 : $i]: (~ (c1_1 @ X0) |  (c0_1 @ X0) | ~ (c3_1 @ X0))) | 
% 7.16/1.61       ~ ( (ndr1_0))),
% 7.16/1.61      inference('split', [status(esa)], [zip_derived_cl151])).
% 7.16/1.61  thf('155', plain,
% 7.16/1.61      ((![X0 : $i]: ( (c2_1 @ X0) | ~ (c1_1 @ X0) |  (c0_1 @ X0))) | 
% 7.16/1.61       ( (hskp12)) | ~ ( (ndr1_0)) | ( (hskp13))),
% 7.16/1.61      inference('split', [status(esa)], [zip_derived_cl141])).
% 7.16/1.61  thf('156', plain, (~ ( (c1_1 @ a913)) | ~ ( (hskp12))),
% 7.16/1.61      inference('split', [status(esa)], [zip_derived_cl112])).
% 7.16/1.61  thf(zip_derived_cl603, plain,
% 7.16/1.61      ((![X1 : $i]: (~ (c2_1 @ X1) |  (c1_1 @ X1) | ~ (c0_1 @ X1)))
% 7.16/1.61         <= ((![X1 : $i]: (~ (c2_1 @ X1) |  (c1_1 @ X1) | ~ (c0_1 @ X1))))),
% 7.16/1.61      inference('split', [status(esa)], [zip_derived_cl167])).
% 7.16/1.61  thf(zip_derived_cl432, plain, ((~ (c1_1 @ a913)) <= (~ ( (c1_1 @ a913)))),
% 7.16/1.61      inference('split', [status(esa)], [zip_derived_cl112])).
% 7.16/1.61  thf(zip_derived_cl1584, plain,
% 7.16/1.61      (((~ (c0_1 @ a913) | ~ (c2_1 @ a913)))
% 7.16/1.61         <= (~ ( (c1_1 @ a913)) & 
% 7.16/1.61             (![X1 : $i]: (~ (c2_1 @ X1) |  (c1_1 @ X1) | ~ (c0_1 @ X1))))),
% 7.16/1.61      inference('s_sup-', [status(thm)], [zip_derived_cl603, zip_derived_cl432])).
% 7.16/1.61  thf('157', plain,
% 7.16/1.61      (~ (![X1 : $i]: (~ (c2_1 @ X1) |  (c1_1 @ X1) | ~ (c0_1 @ X1))) | 
% 7.16/1.61       ~ ( (c2_1 @ a913)) | ( (c1_1 @ a913)) | ~ ( (c0_1 @ a913))),
% 7.16/1.61      inference('split', [status(esa)], [zip_derived_cl1584])).
% 7.16/1.61  thf('158', plain, (( (c0_1 @ a913)) | ~ ( (hskp12))),
% 7.16/1.61      inference('split', [status(esa)], [zip_derived_cl73])).
% 7.16/1.61  thf(clause114, conjecture, (~( ( ~( hskp12 ) ) | ( ~( c3_1 @ a913 ) ) ))).
% 7.16/1.61  thf(zf_stmt_108, negated_conjecture,
% 7.16/1.61    (( ~( hskp12 ) ) | ( ~( c3_1 @ a913 ) )),
% 7.16/1.61    inference('cnf.neg', [status(esa)], [clause114])).
% 7.16/1.61  thf(zip_derived_cl113, plain, ((~ (hskp12) | ~ (c3_1 @ a913))),
% 7.16/1.61      inference('cnf', [status(esa)], [zf_stmt_108])).
% 7.16/1.61  thf('159', plain, (~ ( (c3_1 @ a913)) | ~ ( (hskp12))),
% 7.16/1.61      inference('split', [status(esa)], [zip_derived_cl113])).
% 7.16/1.61  thf(zip_derived_cl535, plain,
% 7.16/1.61      ((![X0 : $i]: ( (c2_1 @ X0) | ~ (c0_1 @ X0) |  (c3_1 @ X0)))
% 7.16/1.61         <= ((![X0 : $i]: ( (c2_1 @ X0) | ~ (c0_1 @ X0) |  (c3_1 @ X0))))),
% 7.16/1.61      inference('split', [status(esa)], [zip_derived_cl150])).
% 7.16/1.61  thf(zip_derived_cl354, plain, (( (c0_1 @ a913)) <= (( (c0_1 @ a913)))),
% 7.16/1.61      inference('split', [status(esa)], [zip_derived_cl73])).
% 7.16/1.61  thf(zip_derived_cl1810, plain,
% 7.16/1.61      ((( (c3_1 @ a913) |  (c2_1 @ a913)))
% 7.16/1.61         <= (( (c0_1 @ a913)) & 
% 7.16/1.61             (![X0 : $i]: ( (c2_1 @ X0) | ~ (c0_1 @ X0) |  (c3_1 @ X0))))),
% 7.16/1.61      inference('s_sup+', [status(thm)], [zip_derived_cl535, zip_derived_cl354])).
% 7.16/1.61  thf('160', plain,
% 7.16/1.61      (( (c2_1 @ a913)) | 
% 7.16/1.61       ~ (![X0 : $i]: ( (c2_1 @ X0) | ~ (c0_1 @ X0) |  (c3_1 @ X0))) | 
% 7.16/1.61       ~ ( (c0_1 @ a913)) | ( (c3_1 @ a913))),
% 7.16/1.61      inference('split', [status(esa)], [zip_derived_cl1810])).
% 7.16/1.61  thf(zip_derived_cl535, plain,
% 7.16/1.61      ((![X0 : $i]: ( (c2_1 @ X0) | ~ (c0_1 @ X0) |  (c3_1 @ X0)))
% 7.16/1.61         <= ((![X0 : $i]: ( (c2_1 @ X0) | ~ (c0_1 @ X0) |  (c3_1 @ X0))))),
% 7.16/1.61      inference('split', [status(esa)], [zip_derived_cl150])).
% 7.16/1.61  thf(zip_derived_cl328, plain, (( (c0_1 @ a938)) <= (( (c0_1 @ a938)))),
% 7.16/1.61      inference('split', [status(esa)], [zip_derived_cl60])).
% 7.16/1.61  thf(zip_derived_cl1806, plain,
% 7.16/1.61      ((( (c3_1 @ a938) |  (c2_1 @ a938)))
% 7.16/1.61         <= (( (c0_1 @ a938)) & 
% 7.16/1.61             (![X0 : $i]: ( (c2_1 @ X0) | ~ (c0_1 @ X0) |  (c3_1 @ X0))))),
% 7.16/1.61      inference('s_sup+', [status(thm)], [zip_derived_cl535, zip_derived_cl328])).
% 7.16/1.61  thf('161', plain,
% 7.16/1.61      (~ (![X0 : $i]: ( (c2_1 @ X0) | ~ (c0_1 @ X0) |  (c3_1 @ X0))) | 
% 7.16/1.61       ~ ( (c0_1 @ a938)) | ( (c2_1 @ a938)) | ( (c3_1 @ a938))),
% 7.16/1.61      inference('split', [status(esa)], [zip_derived_cl1806])).
% 7.16/1.61  thf(clause58, conjecture, (~( ( c0_1 @ a950 ) | ( ~( hskp23 ) ) ))).
% 7.16/1.61  thf(zf_stmt_109, negated_conjecture, (( c0_1 @ a950 ) | ( ~( hskp23 ) )),
% 7.16/1.61    inference('cnf.neg', [status(esa)], [clause58])).
% 7.16/1.61  thf(zip_derived_cl57, plain, (( (c0_1 @ a950) | ~ (hskp23))),
% 7.16/1.61      inference('cnf', [status(esa)], [zf_stmt_109])).
% 7.16/1.61  thf('162', plain, (( (c0_1 @ a950)) | ~ ( (hskp23))),
% 7.16/1.61      inference('split', [status(esa)], [zip_derived_cl57])).
% 7.16/1.61  thf(clause59, conjecture, (~( ( c3_1 @ a950 ) | ( ~( hskp23 ) ) ))).
% 7.16/1.61  thf(zf_stmt_110, negated_conjecture, (( c3_1 @ a950 ) | ( ~( hskp23 ) )),
% 7.16/1.61    inference('cnf.neg', [status(esa)], [clause59])).
% 7.16/1.61  thf(zip_derived_cl58, plain, (( (c3_1 @ a950) | ~ (hskp23))),
% 7.16/1.61      inference('cnf', [status(esa)], [zf_stmt_110])).
% 7.16/1.61  thf('163', plain, (( (c3_1 @ a950)) | ~ ( (hskp23))),
% 7.16/1.61      inference('split', [status(esa)], [zip_derived_cl58])).
% 7.16/1.61  thf(clause96, conjecture, (~( ( ~( hskp23 ) ) | ( ~( c2_1 @ a950 ) ) ))).
% 7.16/1.61  thf(zf_stmt_111, negated_conjecture,
% 7.16/1.61    (( ~( hskp23 ) ) | ( ~( c2_1 @ a950 ) )),
% 7.16/1.61    inference('cnf.neg', [status(esa)], [clause96])).
% 7.16/1.61  thf(zip_derived_cl95, plain, ((~ (hskp23) | ~ (c2_1 @ a950))),
% 7.16/1.61      inference('cnf', [status(esa)], [zf_stmt_111])).
% 7.16/1.61  thf('164', plain, (~ ( (c2_1 @ a950)) | ~ ( (hskp23))),
% 7.16/1.61      inference('split', [status(esa)], [zip_derived_cl95])).
% 7.16/1.61  thf(zip_derived_cl551, plain,
% 7.16/1.61      ((![X0 : $i]: ( (c2_1 @ X0) | ~ (c0_1 @ X0) | ~ (c3_1 @ X0)))
% 7.16/1.61         <= ((![X0 : $i]: ( (c2_1 @ X0) | ~ (c0_1 @ X0) | ~ (c3_1 @ X0))))),
% 7.16/1.61      inference('split', [status(esa)], [zip_derived_cl154])).
% 7.16/1.61  thf(zip_derived_cl322, plain, (( (c0_1 @ a950)) <= (( (c0_1 @ a950)))),
% 7.16/1.61      inference('split', [status(esa)], [zip_derived_cl57])).
% 7.16/1.61  thf(zip_derived_cl1089, plain,
% 7.16/1.61      (((~ (c3_1 @ a950) |  (c2_1 @ a950)))
% 7.16/1.61         <= (( (c0_1 @ a950)) & 
% 7.16/1.61             (![X0 : $i]: ( (c2_1 @ X0) | ~ (c0_1 @ X0) | ~ (c3_1 @ X0))))),
% 7.16/1.61      inference('s_sup+', [status(thm)], [zip_derived_cl551, zip_derived_cl322])).
% 7.16/1.61  thf('165', plain,
% 7.16/1.61      (~ (![X0 : $i]: ( (c2_1 @ X0) | ~ (c0_1 @ X0) | ~ (c3_1 @ X0))) | 
% 7.16/1.61       ~ ( (c0_1 @ a950)) | ( (c2_1 @ a950)) | ~ ( (c3_1 @ a950))),
% 7.16/1.61      inference('split', [status(esa)], [zip_derived_cl1089])).
% 7.16/1.61  thf(zip_derived_cl563, plain,
% 7.16/1.61      ((![X0 : $i]: (~ (c1_1 @ X0) | ~ (c0_1 @ X0) |  (c3_1 @ X0)))
% 7.16/1.61         <= ((![X0 : $i]: (~ (c1_1 @ X0) | ~ (c0_1 @ X0) |  (c3_1 @ X0))))),
% 7.16/1.61      inference('split', [status(esa)], [zip_derived_cl157])).
% 7.16/1.61  thf(zip_derived_cl346, plain, (( (c1_1 @ a921)) <= (( (c1_1 @ a921)))),
% 7.16/1.61      inference('split', [status(esa)], [zip_derived_cl69])).
% 7.16/1.61  thf(zip_derived_cl1145, plain,
% 7.16/1.61      ((( (c3_1 @ a921) | ~ (c0_1 @ a921)))
% 7.16/1.61         <= (( (c1_1 @ a921)) & 
% 7.16/1.61             (![X0 : $i]: (~ (c1_1 @ X0) | ~ (c0_1 @ X0) |  (c3_1 @ X0))))),
% 7.16/1.61      inference('s_sup+', [status(thm)], [zip_derived_cl563, zip_derived_cl346])).
% 7.16/1.61  thf('166', plain,
% 7.16/1.61      (~ (![X0 : $i]: (~ (c1_1 @ X0) | ~ (c0_1 @ X0) |  (c3_1 @ X0))) | 
% 7.16/1.61       ~ ( (c0_1 @ a921)) | ( (c3_1 @ a921)) | ~ ( (c1_1 @ a921))),
% 7.16/1.61      inference('split', [status(esa)], [zip_derived_cl1145])).
% 7.16/1.61  thf(clause7, conjecture, (~( ( ndr1_0 ) | ( ~( hskp25 ) ) ))).
% 7.16/1.61  thf(zf_stmt_112, negated_conjecture, (( ndr1_0 ) | ( ~( hskp25 ) )),
% 7.16/1.61    inference('cnf.neg', [status(esa)], [clause7])).
% 7.16/1.61  thf(zip_derived_cl6, plain, (( (ndr1_0) | ~ (hskp25))),
% 7.16/1.61      inference('cnf', [status(esa)], [zf_stmt_112])).
% 7.16/1.61  thf('167', plain, (( (ndr1_0)) | ~ ( (hskp25))),
% 7.16/1.61      inference('split', [status(esa)], [zip_derived_cl6])).
% 7.16/1.61  thf(clause11, conjecture, (~( ( ndr1_0 ) | ( ~( hskp21 ) ) ))).
% 7.16/1.61  thf(zf_stmt_113, negated_conjecture, (( ndr1_0 ) | ( ~( hskp21 ) )),
% 7.16/1.61    inference('cnf.neg', [status(esa)], [clause11])).
% 7.16/1.61  thf(zip_derived_cl10, plain, (( (ndr1_0) | ~ (hskp21))),
% 7.16/1.61      inference('cnf', [status(esa)], [zf_stmt_113])).
% 7.16/1.61  thf('168', plain, (( (ndr1_0)) | ~ ( (hskp21))),
% 7.16/1.61      inference('split', [status(esa)], [zip_derived_cl10])).
% 7.16/1.61  thf(clause32, conjecture, (~( ( ndr1_0 ) | ( ~( hskp0 ) ) ))).
% 7.16/1.61  thf(zf_stmt_114, negated_conjecture, (( ndr1_0 ) | ( ~( hskp0 ) )),
% 7.16/1.61    inference('cnf.neg', [status(esa)], [clause32])).
% 7.16/1.61  thf(zip_derived_cl31, plain, (( (ndr1_0) | ~ (hskp0))),
% 7.16/1.61      inference('cnf', [status(esa)], [zf_stmt_114])).
% 7.16/1.61  thf('169', plain, (( (ndr1_0)) | ~ ( (hskp0))),
% 7.16/1.61      inference('split', [status(esa)], [zip_derived_cl31])).
% 7.16/1.61  thf(clause35, conjecture, (~( ( hskp25 ) | ( hskp21 ) | ( hskp0 ) ))).
% 7.16/1.61  thf(zf_stmt_115, negated_conjecture, (( hskp25 ) | ( hskp21 ) | ( hskp0 )),
% 7.16/1.61    inference('cnf.neg', [status(esa)], [clause35])).
% 7.16/1.61  thf(zip_derived_cl34, plain, (( (hskp25) |  (hskp21) |  (hskp0))),
% 7.16/1.61      inference('cnf', [status(esa)], [zf_stmt_115])).
% 7.16/1.61  thf('170', plain, (( (hskp25)) | ( (hskp0)) | ( (hskp21))),
% 7.16/1.61      inference('split', [status(esa)], [zip_derived_cl34])).
% 7.16/1.61  thf('171', plain, (( (c0_1 @ a898)) | ~ ( (hskp0))),
% 7.16/1.61      inference('split', [status(esa)], [zip_derived_cl86])).
% 7.16/1.61  thf('172', plain, (( (c1_1 @ a898)) | ~ ( (hskp0))),
% 7.16/1.61      inference('split', [status(esa)], [zip_derived_cl87])).
% 7.16/1.61  thf(clause136, conjecture, (~( ( ~( hskp0 ) ) | ( ~( c2_1 @ a898 ) ) ))).
% 7.16/1.61  thf(zf_stmt_116, negated_conjecture, (( ~( hskp0 ) ) | ( ~( c2_1 @ a898 ) )),
% 7.16/1.61    inference('cnf.neg', [status(esa)], [clause136])).
% 7.16/1.61  thf(zip_derived_cl135, plain, ((~ (hskp0) | ~ (c2_1 @ a898))),
% 7.16/1.61      inference('cnf', [status(esa)], [zf_stmt_116])).
% 7.16/1.61  thf('173', plain, (~ ( (c2_1 @ a898)) | ~ ( (hskp0))),
% 7.16/1.61      inference('split', [status(esa)], [zip_derived_cl135])).
% 7.16/1.61  thf(zip_derived_cl547, plain,
% 7.16/1.61      ((![X0 : $i]: ( (c2_1 @ X0) | ~ (c1_1 @ X0) | ~ (c0_1 @ X0)))
% 7.16/1.61         <= ((![X0 : $i]: ( (c2_1 @ X0) | ~ (c1_1 @ X0) | ~ (c0_1 @ X0))))),
% 7.16/1.61      inference('split', [status(esa)], [zip_derived_cl153])).
% 7.16/1.61  thf(zip_derived_cl382, plain, (( (c1_1 @ a898)) <= (( (c1_1 @ a898)))),
% 7.16/1.61      inference('split', [status(esa)], [zip_derived_cl87])).
% 7.16/1.61  thf(zip_derived_cl1032, plain,
% 7.16/1.61      (((~ (c0_1 @ a898) |  (c2_1 @ a898)))
% 7.16/1.61         <= (( (c1_1 @ a898)) & 
% 7.16/1.61             (![X0 : $i]: ( (c2_1 @ X0) | ~ (c1_1 @ X0) | ~ (c0_1 @ X0))))),
% 7.16/1.61      inference('s_sup+', [status(thm)], [zip_derived_cl547, zip_derived_cl382])).
% 7.16/1.61  thf('174', plain,
% 7.16/1.61      (~ (![X0 : $i]: ( (c2_1 @ X0) | ~ (c1_1 @ X0) | ~ (c0_1 @ X0))) | 
% 7.16/1.61       ~ ( (c0_1 @ a898)) | ( (c2_1 @ a898)) | ~ ( (c1_1 @ a898))),
% 7.16/1.61      inference('split', [status(esa)], [zip_derived_cl1032])).
% 7.16/1.61  thf('175', plain,
% 7.16/1.61      (( (hskp14)) | 
% 7.16/1.61       (![X0 : $i]: (~ (c2_1 @ X0) | ~ (c1_1 @ X0) |  (c0_1 @ X0))) | 
% 7.16/1.61       ~ ( (ndr1_0)) | 
% 7.16/1.61       (![X0 : $i]: ( (c2_1 @ X0) | ~ (c0_1 @ X0) |  (c3_1 @ X0)))),
% 7.16/1.61      inference('split', [status(esa)], [zip_derived_cl173])).
% 7.16/1.61  thf(clause185, conjecture,
% 7.16/1.61    (~( ( hskp7 ) | ( c1_1 @ V ) | ( c2_1 @ U ) | ( ~( c2_1 @ V ) ) | 
% 7.16/1.61        ( ~( c0_1 @ V ) ) | ( ~( ndr1_0 ) ) | ( ~( c1_1 @ U ) ) | 
% 7.16/1.61        ( ~( c0_1 @ U ) ) ))).
% 7.16/1.61  thf(zf_stmt_117, negated_conjecture,
% 7.16/1.61    (( hskp7 ) | ( c1_1 @ V ) | ( c2_1 @ U ) | ( ~( c2_1 @ V ) ) | 
% 7.16/1.61     ( ~( c0_1 @ V ) ) | ( ~( ndr1_0 ) ) | ( ~( c1_1 @ U ) ) | 
% 7.16/1.61     ( ~( c0_1 @ U ) )),
% 7.16/1.61    inference('cnf.neg', [status(esa)], [clause185])).
% 7.16/1.61  thf(zip_derived_cl184, plain,
% 7.16/1.61      (![X0 : $i, X1 : $i]:
% 7.16/1.61         ( (hskp7)
% 7.16/1.61          |  (c1_1 @ X0)
% 7.16/1.61          |  (c2_1 @ X1)
% 7.16/1.61          | ~ (c2_1 @ X0)
% 7.16/1.61          | ~ (c0_1 @ X0)
% 7.16/1.61          | ~ (ndr1_0)
% 7.16/1.61          | ~ (c1_1 @ X1)
% 7.16/1.61          | ~ (c0_1 @ X1))),
% 7.16/1.61      inference('cnf', [status(esa)], [zf_stmt_117])).
% 7.16/1.61  thf('176', plain,
% 7.16/1.61      (( (hskp7)) | 
% 7.16/1.61       (![X0 : $i]: ( (c2_1 @ X0) | ~ (c1_1 @ X0) | ~ (c0_1 @ X0))) | 
% 7.16/1.61       (![X1 : $i]: (~ (c2_1 @ X1) |  (c1_1 @ X1) | ~ (c0_1 @ X1))) | 
% 7.16/1.61       ~ ( (ndr1_0))),
% 7.16/1.61      inference('split', [status(esa)], [zip_derived_cl184])).
% 7.16/1.61  thf(clause77, conjecture, (~( ( c3_1 @ a907 ) | ( ~( hskp7 ) ) ))).
% 7.16/1.61  thf(zf_stmt_118, negated_conjecture, (( c3_1 @ a907 ) | ( ~( hskp7 ) )),
% 7.16/1.61    inference('cnf.neg', [status(esa)], [clause77])).
% 7.16/1.61  thf(zip_derived_cl76, plain, (( (c3_1 @ a907) | ~ (hskp7))),
% 7.16/1.61      inference('cnf', [status(esa)], [zf_stmt_118])).
% 7.16/1.61  thf('177', plain, (( (c3_1 @ a907)) | ~ ( (hskp7))),
% 7.16/1.61      inference('split', [status(esa)], [zip_derived_cl76])).
% 7.16/1.61  thf('178', plain, (~ ( (c0_1 @ a907)) | ~ ( (hskp7))),
% 7.16/1.61      inference('split', [status(esa)], [zip_derived_cl124])).
% 7.16/1.61  thf('179', plain, (~ ( (c1_1 @ a907)) | ~ ( (hskp7))),
% 7.16/1.61      inference('split', [status(esa)], [zip_derived_cl125])).
% 7.16/1.61  thf(zip_derived_cl491, plain,
% 7.16/1.61      ((![X0 : $i]: ( (c1_1 @ X0) |  (c0_1 @ X0) | ~ (c3_1 @ X0)))
% 7.16/1.61         <= ((![X0 : $i]: ( (c1_1 @ X0) |  (c0_1 @ X0) | ~ (c3_1 @ X0))))),
% 7.16/1.61      inference('split', [status(esa)], [zip_derived_cl139])).
% 7.16/1.61  thf(zip_derived_cl458, plain, ((~ (c1_1 @ a907)) <= (~ ( (c1_1 @ a907)))),
% 7.16/1.61      inference('split', [status(esa)], [zip_derived_cl125])).
% 7.16/1.61  thf(zip_derived_cl1330, plain,
% 7.16/1.61      (((~ (c3_1 @ a907) |  (c0_1 @ a907)))
% 7.16/1.61         <= (~ ( (c1_1 @ a907)) & 
% 7.16/1.61             (![X0 : $i]: ( (c1_1 @ X0) |  (c0_1 @ X0) | ~ (c3_1 @ X0))))),
% 7.16/1.61      inference('s_sup-', [status(thm)], [zip_derived_cl491, zip_derived_cl458])).
% 7.16/1.61  thf('180', plain,
% 7.16/1.61      (~ (![X0 : $i]: ( (c1_1 @ X0) |  (c0_1 @ X0) | ~ (c3_1 @ X0))) | 
% 7.16/1.61       ~ ( (c3_1 @ a907)) | ( (c0_1 @ a907)) | ( (c1_1 @ a907))),
% 7.16/1.61      inference('split', [status(esa)], [zip_derived_cl1330])).
% 7.16/1.61  thf(clause169, conjecture,
% 7.16/1.61    (~( ( hskp4 ) | ( c1_1 @ V ) | ( c0_1 @ V ) | ( c2_1 @ U ) | 
% 7.16/1.61        ( ~( c3_1 @ V ) ) | ( ~( ndr1_0 ) ) | ( ~( c3_1 @ U ) ) | 
% 7.16/1.61        ( ~( c0_1 @ U ) ) ))).
% 7.16/1.61  thf(zf_stmt_119, negated_conjecture,
% 7.16/1.61    (( hskp4 ) | ( c1_1 @ V ) | ( c0_1 @ V ) | ( c2_1 @ U ) | 
% 7.16/1.61     ( ~( c3_1 @ V ) ) | ( ~( ndr1_0 ) ) | ( ~( c3_1 @ U ) ) | 
% 7.16/1.61     ( ~( c0_1 @ U ) )),
% 7.16/1.61    inference('cnf.neg', [status(esa)], [clause169])).
% 7.16/1.61  thf(zip_derived_cl168, plain,
% 7.16/1.61      (![X0 : $i, X1 : $i]:
% 7.16/1.61         ( (hskp4)
% 7.16/1.61          |  (c1_1 @ X0)
% 7.16/1.61          |  (c0_1 @ X0)
% 7.16/1.61          |  (c2_1 @ X1)
% 7.16/1.61          | ~ (c3_1 @ X0)
% 7.16/1.61          | ~ (ndr1_0)
% 7.16/1.61          | ~ (c3_1 @ X1)
% 7.16/1.61          | ~ (c0_1 @ X1))),
% 7.16/1.61      inference('cnf', [status(esa)], [zf_stmt_119])).
% 7.16/1.61  thf('181', plain,
% 7.16/1.61      (( (hskp4)) | 
% 7.16/1.61       (![X0 : $i]: ( (c1_1 @ X0) |  (c0_1 @ X0) | ~ (c3_1 @ X0))) | 
% 7.16/1.61       ~ ( (ndr1_0)) | 
% 7.16/1.61       (![X0 : $i]: ( (c2_1 @ X0) | ~ (c0_1 @ X0) | ~ (c3_1 @ X0)))),
% 7.16/1.61      inference('split', [status(esa)], [zip_derived_cl168])).
% 7.16/1.61  thf('182', plain, (~ ( (c1_1 @ a904)) | ~ ( (hskp4))),
% 7.16/1.61      inference('split', [status(esa)], [zip_derived_cl128])).
% 7.16/1.61  thf(zip_derived_cl531, plain,
% 7.16/1.61      ((![X0 : $i]: (~ (c2_1 @ X0) |  (c1_1 @ X0) |  (c3_1 @ X0)))
% 7.16/1.61         <= ((![X0 : $i]: (~ (c2_1 @ X0) |  (c1_1 @ X0) |  (c3_1 @ X0))))),
% 7.16/1.61      inference('split', [status(esa)], [zip_derived_cl149])).
% 7.16/1.61  thf(zip_derived_cl464, plain, ((~ (c1_1 @ a904)) <= (~ ( (c1_1 @ a904)))),
% 7.16/1.61      inference('split', [status(esa)], [zip_derived_cl128])).
% 7.16/1.61  thf(zip_derived_cl2004, plain,
% 7.16/1.61      ((( (c3_1 @ a904) | ~ (c2_1 @ a904)))
% 7.16/1.61         <= (~ ( (c1_1 @ a904)) & 
% 7.16/1.61             (![X0 : $i]: (~ (c2_1 @ X0) |  (c1_1 @ X0) |  (c3_1 @ X0))))),
% 7.16/1.61      inference('s_sup-', [status(thm)], [zip_derived_cl531, zip_derived_cl464])).
% 7.16/1.61  thf('183', plain,
% 7.16/1.61      (~ (![X0 : $i]: (~ (c2_1 @ X0) |  (c1_1 @ X0) |  (c3_1 @ X0))) | 
% 7.16/1.61       ( (c1_1 @ a904)) | ( (c3_1 @ a904)) | ~ ( (c2_1 @ a904))),
% 7.16/1.61      inference('split', [status(esa)], [zip_derived_cl2004])).
% 7.16/1.61  thf(clause194, conjecture,
% 7.16/1.61    (~( ( c2_1 @ W ) | ( c1_1 @ W ) | ( c0_1 @ W ) | ( c3_1 @ V ) | 
% 7.16/1.61        ( c1_1 @ V ) | ( ~( c2_1 @ V ) ) | ( ~( ndr1_0 ) ) | 
% 7.16/1.61        ( ~( c3_1 @ U ) ) | ( ~( c2_1 @ U ) ) | ( ~( c0_1 @ U ) ) ))).
% 7.16/1.61  thf(zf_stmt_120, negated_conjecture,
% 7.16/1.61    (( c2_1 @ W ) | ( c1_1 @ W ) | ( c0_1 @ W ) | ( c3_1 @ V ) | 
% 7.16/1.61     ( c1_1 @ V ) | ( ~( c2_1 @ V ) ) | ( ~( ndr1_0 ) ) | ( ~( c3_1 @ U ) ) | 
% 7.16/1.61     ( ~( c2_1 @ U ) ) | ( ~( c0_1 @ U ) )),
% 7.16/1.61    inference('cnf.neg', [status(esa)], [clause194])).
% 7.16/1.61  thf(zip_derived_cl193, plain,
% 7.16/1.61      (![X0 : $i, X1 : $i, X2 : $i]:
% 7.16/1.61         ( (c2_1 @ X0)
% 7.16/1.61          |  (c1_1 @ X0)
% 7.16/1.61          |  (c0_1 @ X0)
% 7.16/1.61          |  (c3_1 @ X1)
% 7.16/1.61          |  (c1_1 @ X1)
% 7.16/1.61          | ~ (c2_1 @ X1)
% 7.16/1.61          | ~ (ndr1_0)
% 7.16/1.61          | ~ (c3_1 @ X2)
% 7.16/1.61          | ~ (c2_1 @ X2)
% 7.16/1.61          | ~ (c0_1 @ X2))),
% 7.16/1.61      inference('cnf', [status(esa)], [zf_stmt_120])).
% 7.16/1.61  thf('184', plain,
% 7.16/1.61      ((![X0 : $i]: ( (c2_1 @ X0) |  (c1_1 @ X0) |  (c0_1 @ X0))) | 
% 7.16/1.61       (![X0 : $i]: (~ (c2_1 @ X0) |  (c1_1 @ X0) |  (c3_1 @ X0))) | 
% 7.16/1.61       ~ ( (ndr1_0)) | 
% 7.16/1.61       (![X0 : $i]: (~ (c2_1 @ X0) | ~ (c0_1 @ X0) | ~ (c3_1 @ X0)))),
% 7.16/1.61      inference('split', [status(esa)], [zip_derived_cl193])).
% 7.16/1.61  thf(clause120, conjecture, (~( ( ~( hskp9 ) ) | ( ~( c0_1 @ a909 ) ) ))).
% 7.16/1.61  thf(zf_stmt_121, negated_conjecture, (( ~( hskp9 ) ) | ( ~( c0_1 @ a909 ) )),
% 7.16/1.61    inference('cnf.neg', [status(esa)], [clause120])).
% 7.16/1.61  thf(zip_derived_cl119, plain, ((~ (hskp9) | ~ (c0_1 @ a909))),
% 7.16/1.61      inference('cnf', [status(esa)], [zf_stmt_121])).
% 7.16/1.61  thf('185', plain, (~ ( (c0_1 @ a909)) | ~ ( (hskp9))),
% 7.16/1.61      inference('split', [status(esa)], [zip_derived_cl119])).
% 7.16/1.61  thf(clause121, conjecture, (~( ( ~( hskp9 ) ) | ( ~( c1_1 @ a909 ) ) ))).
% 7.16/1.61  thf(zf_stmt_122, negated_conjecture, (( ~( hskp9 ) ) | ( ~( c1_1 @ a909 ) )),
% 7.16/1.61    inference('cnf.neg', [status(esa)], [clause121])).
% 7.16/1.61  thf(zip_derived_cl120, plain, ((~ (hskp9) | ~ (c1_1 @ a909))),
% 7.16/1.61      inference('cnf', [status(esa)], [zf_stmt_122])).
% 7.16/1.61  thf('186', plain, (~ ( (c1_1 @ a909)) | ~ ( (hskp9))),
% 7.16/1.61      inference('split', [status(esa)], [zip_derived_cl120])).
% 7.16/1.61  thf(clause122, conjecture, (~( ( ~( hskp9 ) ) | ( ~( c2_1 @ a909 ) ) ))).
% 7.16/1.61  thf(zf_stmt_123, negated_conjecture, (( ~( hskp9 ) ) | ( ~( c2_1 @ a909 ) )),
% 7.16/1.61    inference('cnf.neg', [status(esa)], [clause122])).
% 7.16/1.61  thf(zip_derived_cl121, plain, ((~ (hskp9) | ~ (c2_1 @ a909))),
% 7.16/1.61      inference('cnf', [status(esa)], [zf_stmt_123])).
% 7.16/1.61  thf('187', plain, (~ ( (c2_1 @ a909)) | ~ ( (hskp9))),
% 7.16/1.61      inference('split', [status(esa)], [zip_derived_cl121])).
% 7.16/1.61  thf(zip_derived_cl480, plain,
% 7.16/1.61      ((![X0 : $i]: ( (c2_1 @ X0) |  (c1_1 @ X0) |  (c0_1 @ X0)))
% 7.16/1.61         <= ((![X0 : $i]: ( (c2_1 @ X0) |  (c1_1 @ X0) |  (c0_1 @ X0))))),
% 7.16/1.61      inference('split', [status(esa)], [zip_derived_cl136])).
% 7.16/1.61  thf(zip_derived_cl448, plain, ((~ (c1_1 @ a909)) <= (~ ( (c1_1 @ a909)))),
% 7.16/1.61      inference('split', [status(esa)], [zip_derived_cl120])).
% 7.16/1.61  thf(zip_derived_cl1073, plain,
% 7.16/1.61      ((( (c0_1 @ a909) |  (c2_1 @ a909)))
% 7.16/1.61         <= (~ ( (c1_1 @ a909)) & 
% 7.16/1.61             (![X0 : $i]: ( (c2_1 @ X0) |  (c1_1 @ X0) |  (c0_1 @ X0))))),
% 7.16/1.61      inference('s_sup-', [status(thm)], [zip_derived_cl480, zip_derived_cl448])).
% 7.16/1.61  thf('188', plain,
% 7.16/1.61      (( (c0_1 @ a909)) | ( (c1_1 @ a909)) | 
% 7.16/1.61       ~ (![X0 : $i]: ( (c2_1 @ X0) |  (c1_1 @ X0) |  (c0_1 @ X0))) | 
% 7.16/1.61       ( (c2_1 @ a909))),
% 7.16/1.61      inference('split', [status(esa)], [zip_derived_cl1073])).
% 7.16/1.61  thf(clause191, conjecture,
% 7.16/1.61    (~( ( hskp9 ) | ( c3_1 @ V ) | ( ~( c2_1 @ V ) ) | ( ~( c0_1 @ V ) ) | 
% 7.16/1.61        ( ~( ndr1_0 ) ) | ( ~( c2_1 @ U ) ) | ( ~( c1_1 @ U ) ) | 
% 7.16/1.61        ( ~( c0_1 @ U ) ) ))).
% 7.16/1.61  thf(zf_stmt_124, negated_conjecture,
% 7.16/1.61    (( hskp9 ) | ( c3_1 @ V ) | ( ~( c2_1 @ V ) ) | ( ~( c0_1 @ V ) ) | 
% 7.16/1.61     ( ~( ndr1_0 ) ) | ( ~( c2_1 @ U ) ) | ( ~( c1_1 @ U ) ) | 
% 7.16/1.61     ( ~( c0_1 @ U ) )),
% 7.16/1.61    inference('cnf.neg', [status(esa)], [clause191])).
% 7.16/1.61  thf(zip_derived_cl190, plain,
% 7.16/1.61      (![X0 : $i, X1 : $i]:
% 7.16/1.61         ( (hskp9)
% 7.16/1.61          |  (c3_1 @ X0)
% 7.16/1.61          | ~ (c2_1 @ X0)
% 7.16/1.61          | ~ (c0_1 @ X0)
% 7.16/1.61          | ~ (ndr1_0)
% 7.16/1.61          | ~ (c2_1 @ X1)
% 7.16/1.61          | ~ (c1_1 @ X1)
% 7.16/1.61          | ~ (c0_1 @ X1))),
% 7.16/1.61      inference('cnf', [status(esa)], [zf_stmt_124])).
% 7.16/1.61  thf('189', plain,
% 7.16/1.61      ((![X1 : $i]: (~ (c2_1 @ X1) | ~ (c1_1 @ X1) | ~ (c0_1 @ X1))) | 
% 7.16/1.61       ( (hskp9)) | 
% 7.16/1.61       (![X0 : $i]: (~ (c2_1 @ X0) | ~ (c0_1 @ X0) |  (c3_1 @ X0))) | 
% 7.16/1.61       ~ ( (ndr1_0))),
% 7.16/1.61      inference('split', [status(esa)], [zip_derived_cl190])).
% 7.16/1.61  thf('190', plain,
% 7.16/1.61      (~ ( (c0_1 @ a957)) | 
% 7.16/1.61       ~ (![X1 : $i]: (~ (c2_1 @ X1) | ~ (c1_1 @ X1) | ~ (c0_1 @ X1))) | 
% 7.16/1.61       ~ ( (c2_1 @ a957)) | ~ ( (c1_1 @ a957))),
% 7.16/1.61      inference('split', [status(esa)], [zip_derived_cl762])).
% 7.16/1.61  thf('191', plain, (( (c1_1 @ a957)) | ~ ( (hskp31))),
% 7.16/1.61      inference('split', [status(esa)], [zip_derived_cl40])).
% 7.16/1.61  thf(clause42, conjecture, (~( ( c2_1 @ a957 ) | ( ~( hskp31 ) ) ))).
% 7.16/1.61  thf(zf_stmt_125, negated_conjecture, (( c2_1 @ a957 ) | ( ~( hskp31 ) )),
% 7.16/1.61    inference('cnf.neg', [status(esa)], [clause42])).
% 7.16/1.61  thf(zip_derived_cl41, plain, (( (c2_1 @ a957) | ~ (hskp31))),
% 7.16/1.61      inference('cnf', [status(esa)], [zf_stmt_125])).
% 7.16/1.61  thf('192', plain, (( (c2_1 @ a957)) | ~ ( (hskp31))),
% 7.16/1.61      inference('split', [status(esa)], [zip_derived_cl41])).
% 7.16/1.61  thf(zip_derived_cl628, plain,
% 7.16/1.61      ((![X0 : $i]: (~ (c2_1 @ X0) | ~ (c1_1 @ X0) |  (c0_1 @ X0)))
% 7.16/1.61         <= ((![X0 : $i]: (~ (c2_1 @ X0) | ~ (c1_1 @ X0) |  (c0_1 @ X0))))),
% 7.16/1.61      inference('split', [status(esa)], [zip_derived_cl173])).
% 7.16/1.61  thf(zip_derived_cl288, plain, (( (c1_1 @ a957)) <= (( (c1_1 @ a957)))),
% 7.16/1.61      inference('split', [status(esa)], [zip_derived_cl40])).
% 7.16/1.61  thf(zip_derived_cl1357, plain,
% 7.16/1.61      ((( (c0_1 @ a957) | ~ (c2_1 @ a957)))
% 7.16/1.61         <= (( (c1_1 @ a957)) & 
% 7.16/1.61             (![X0 : $i]: (~ (c2_1 @ X0) | ~ (c1_1 @ X0) |  (c0_1 @ X0))))),
% 7.16/1.61      inference('s_sup+', [status(thm)], [zip_derived_cl628, zip_derived_cl288])).
% 7.16/1.61  thf('193', plain,
% 7.16/1.61      (~ (![X0 : $i]: (~ (c2_1 @ X0) | ~ (c1_1 @ X0) |  (c0_1 @ X0))) | 
% 7.16/1.61       ( (c0_1 @ a957)) | ~ ( (c2_1 @ a957)) | ~ ( (c1_1 @ a957))),
% 7.16/1.61      inference('split', [status(esa)], [zip_derived_cl1357])).
% 7.16/1.61  thf(clause186, conjecture,
% 7.16/1.61    (~( ( hskp9 ) | ( c0_1 @ V ) | ( ~( c2_1 @ V ) ) | ( ~( c1_1 @ V ) ) | 
% 7.16/1.61        ( ~( ndr1_0 ) ) | ( ~( c3_1 @ U ) ) | ( ~( c1_1 @ U ) ) | 
% 7.16/1.61        ( ~( c0_1 @ U ) ) ))).
% 7.16/1.61  thf(zf_stmt_126, negated_conjecture,
% 7.16/1.61    (( hskp9 ) | ( c0_1 @ V ) | ( ~( c2_1 @ V ) ) | ( ~( c1_1 @ V ) ) | 
% 7.16/1.61     ( ~( ndr1_0 ) ) | ( ~( c3_1 @ U ) ) | ( ~( c1_1 @ U ) ) | 
% 7.16/1.61     ( ~( c0_1 @ U ) )),
% 7.16/1.61    inference('cnf.neg', [status(esa)], [clause186])).
% 7.16/1.61  thf(zip_derived_cl185, plain,
% 7.16/1.61      (![X0 : $i, X1 : $i]:
% 7.16/1.61         ( (hskp9)
% 7.16/1.61          |  (c0_1 @ X0)
% 7.16/1.61          | ~ (c2_1 @ X0)
% 7.16/1.61          | ~ (c1_1 @ X0)
% 7.16/1.61          | ~ (ndr1_0)
% 7.16/1.61          | ~ (c3_1 @ X1)
% 7.16/1.61          | ~ (c1_1 @ X1)
% 7.16/1.61          | ~ (c0_1 @ X1))),
% 7.16/1.61      inference('cnf', [status(esa)], [zf_stmt_126])).
% 7.16/1.61  thf('194', plain,
% 7.16/1.61      ((![X1 : $i]: (~ (c3_1 @ X1) | ~ (c1_1 @ X1) | ~ (c0_1 @ X1))) | 
% 7.16/1.61       (![X0 : $i]: (~ (c2_1 @ X0) | ~ (c1_1 @ X0) |  (c0_1 @ X0))) | 
% 7.16/1.61       ( (hskp9)) | ~ ( (ndr1_0))),
% 7.16/1.61      inference('split', [status(esa)], [zip_derived_cl185])).
% 7.16/1.61  thf('195', plain, (( (c0_1 @ a911)) | ~ ( (hskp29))),
% 7.16/1.61      inference('split', [status(esa)], [zip_derived_cl46])).
% 7.16/1.61  thf('196', plain, (( (c1_1 @ a911)) | ~ ( (hskp29))),
% 7.16/1.61      inference('split', [status(esa)], [zip_derived_cl47])).
% 7.16/1.61  thf(clause49, conjecture, (~( ( c3_1 @ a911 ) | ( ~( hskp29 ) ) ))).
% 7.16/1.61  thf(zf_stmt_127, negated_conjecture, (( c3_1 @ a911 ) | ( ~( hskp29 ) )),
% 7.16/1.61    inference('cnf.neg', [status(esa)], [clause49])).
% 7.16/1.61  thf(zip_derived_cl48, plain, (( (c3_1 @ a911) | ~ (hskp29))),
% 7.16/1.61      inference('cnf', [status(esa)], [zf_stmt_127])).
% 7.16/1.61  thf('197', plain, (( (c3_1 @ a911)) | ~ ( (hskp29))),
% 7.16/1.61      inference('split', [status(esa)], [zip_derived_cl48])).
% 7.16/1.61  thf(zip_derived_cl302, plain, (( (c1_1 @ a911)) <= (( (c1_1 @ a911)))),
% 7.16/1.61      inference('split', [status(esa)], [zip_derived_cl47])).
% 7.16/1.61  thf(clause181, conjecture,
% 7.16/1.61    (~( ( hskp11 ) | ( c2_1 @ V ) | ( c0_1 @ V ) | ( ~( c1_1 @ V ) ) | 
% 7.16/1.61        ( ~( ndr1_0 ) ) | ( ~( c3_1 @ U ) ) | ( ~( c1_1 @ U ) ) | 
% 7.16/1.61        ( ~( c0_1 @ U ) ) ))).
% 7.16/1.61  thf(zf_stmt_128, negated_conjecture,
% 7.16/1.61    (( hskp11 ) | ( c2_1 @ V ) | ( c0_1 @ V ) | ( ~( c1_1 @ V ) ) | 
% 7.16/1.61     ( ~( ndr1_0 ) ) | ( ~( c3_1 @ U ) ) | ( ~( c1_1 @ U ) ) | 
% 7.16/1.61     ( ~( c0_1 @ U ) )),
% 7.16/1.61    inference('cnf.neg', [status(esa)], [clause181])).
% 7.16/1.61  thf(zip_derived_cl180, plain,
% 7.16/1.61      (![X0 : $i, X1 : $i]:
% 7.16/1.61         ( (hskp11)
% 7.16/1.61          |  (c2_1 @ X0)
% 7.16/1.61          |  (c0_1 @ X0)
% 7.16/1.61          | ~ (c1_1 @ X0)
% 7.16/1.61          | ~ (ndr1_0)
% 7.16/1.61          | ~ (c3_1 @ X1)
% 7.16/1.61          | ~ (c1_1 @ X1)
% 7.16/1.61          | ~ (c0_1 @ X1))),
% 7.16/1.61      inference('cnf', [status(esa)], [zf_stmt_128])).
% 7.16/1.61  thf(zip_derived_cl655, plain,
% 7.16/1.61      ((![X1 : $i]: (~ (c3_1 @ X1) | ~ (c1_1 @ X1) | ~ (c0_1 @ X1)))
% 7.16/1.61         <= ((![X1 : $i]: (~ (c3_1 @ X1) | ~ (c1_1 @ X1) | ~ (c0_1 @ X1))))),
% 7.16/1.61      inference('split', [status(esa)], [zip_derived_cl180])).
% 7.16/1.61  thf(zip_derived_cl824, plain,
% 7.16/1.61      (((~ (c3_1 @ a911) | ~ (c0_1 @ a911)))
% 7.16/1.61         <= (( (c1_1 @ a911)) & 
% 7.16/1.61             (![X1 : $i]: (~ (c3_1 @ X1) | ~ (c1_1 @ X1) | ~ (c0_1 @ X1))))),
% 7.16/1.61      inference('s_sup-', [status(thm)], [zip_derived_cl302, zip_derived_cl655])).
% 7.16/1.61  thf('198', plain,
% 7.16/1.61      (~ ( (c0_1 @ a911)) | ~ ( (c1_1 @ a911)) | 
% 7.16/1.61       ~ (![X1 : $i]: (~ (c3_1 @ X1) | ~ (c1_1 @ X1) | ~ (c0_1 @ X1))) | 
% 7.16/1.61       ~ ( (c3_1 @ a911))),
% 7.16/1.61      inference('split', [status(esa)], [zip_derived_cl824])).
% 7.16/1.61  thf(clause170, conjecture,
% 7.16/1.61    (~( ( hskp29 ) | ( c2_1 @ V ) | ( c0_1 @ V ) | ( c3_1 @ U ) | 
% 7.16/1.61        ( ~( c1_1 @ V ) ) | ( ~( ndr1_0 ) ) | ( ~( c1_1 @ U ) ) | 
% 7.16/1.61        ( ~( c0_1 @ U ) ) ))).
% 7.16/1.61  thf(zf_stmt_129, negated_conjecture,
% 7.16/1.61    (( hskp29 ) | ( c2_1 @ V ) | ( c0_1 @ V ) | ( c3_1 @ U ) | 
% 7.16/1.61     ( ~( c1_1 @ V ) ) | ( ~( ndr1_0 ) ) | ( ~( c1_1 @ U ) ) | 
% 7.16/1.61     ( ~( c0_1 @ U ) )),
% 7.16/1.61    inference('cnf.neg', [status(esa)], [clause170])).
% 7.16/1.61  thf(zip_derived_cl169, plain,
% 7.16/1.61      (![X0 : $i, X1 : $i]:
% 7.16/1.61         ( (hskp29)
% 7.16/1.61          |  (c2_1 @ X0)
% 7.16/1.61          |  (c0_1 @ X0)
% 7.16/1.61          |  (c3_1 @ X1)
% 7.16/1.61          | ~ (c1_1 @ X0)
% 7.16/1.61          | ~ (ndr1_0)
% 7.16/1.61          | ~ (c1_1 @ X1)
% 7.16/1.61          | ~ (c0_1 @ X1))),
% 7.16/1.61      inference('cnf', [status(esa)], [zf_stmt_129])).
% 7.16/1.61  thf('199', plain,
% 7.16/1.61      ((![X0 : $i]: ( (c2_1 @ X0) | ~ (c1_1 @ X0) |  (c0_1 @ X0))) | 
% 7.16/1.61       ( (hskp29)) | 
% 7.16/1.61       (![X0 : $i]: (~ (c1_1 @ X0) | ~ (c0_1 @ X0) |  (c3_1 @ X0))) | 
% 7.16/1.61       ~ ( (ndr1_0))),
% 7.16/1.61      inference('split', [status(esa)], [zip_derived_cl169])).
% 7.16/1.61  thf(clause75, conjecture, (~( ( c1_1 @ a910 ) | ( ~( hskp10 ) ) ))).
% 7.16/1.61  thf(zf_stmt_130, negated_conjecture, (( c1_1 @ a910 ) | ( ~( hskp10 ) )),
% 7.16/1.61    inference('cnf.neg', [status(esa)], [clause75])).
% 7.16/1.61  thf(zip_derived_cl74, plain, (( (c1_1 @ a910) | ~ (hskp10))),
% 7.16/1.61      inference('cnf', [status(esa)], [zf_stmt_130])).
% 7.16/1.61  thf('200', plain, (( (c1_1 @ a910)) | ~ ( (hskp10))),
% 7.16/1.61      inference('split', [status(esa)], [zip_derived_cl74])).
% 7.16/1.61  thf(clause118, conjecture, (~( ( ~( hskp10 ) ) | ( ~( c0_1 @ a910 ) ) ))).
% 7.16/1.61  thf(zf_stmt_131, negated_conjecture,
% 7.16/1.61    (( ~( hskp10 ) ) | ( ~( c0_1 @ a910 ) )),
% 7.16/1.61    inference('cnf.neg', [status(esa)], [clause118])).
% 7.16/1.61  thf(zip_derived_cl117, plain, ((~ (hskp10) | ~ (c0_1 @ a910))),
% 7.16/1.61      inference('cnf', [status(esa)], [zf_stmt_131])).
% 7.16/1.61  thf('201', plain, (~ ( (c0_1 @ a910)) | ~ ( (hskp10))),
% 7.16/1.61      inference('split', [status(esa)], [zip_derived_cl117])).
% 7.16/1.61  thf(clause119, conjecture, (~( ( ~( hskp10 ) ) | ( ~( c2_1 @ a910 ) ) ))).
% 7.16/1.61  thf(zf_stmt_132, negated_conjecture,
% 7.16/1.61    (( ~( hskp10 ) ) | ( ~( c2_1 @ a910 ) )),
% 7.16/1.61    inference('cnf.neg', [status(esa)], [clause119])).
% 7.16/1.61  thf(zip_derived_cl118, plain, ((~ (hskp10) | ~ (c2_1 @ a910))),
% 7.16/1.61      inference('cnf', [status(esa)], [zf_stmt_132])).
% 7.16/1.61  thf('202', plain, (~ ( (c2_1 @ a910)) | ~ ( (hskp10))),
% 7.16/1.61      inference('split', [status(esa)], [zip_derived_cl118])).
% 7.16/1.61  thf(zip_derived_cl499, plain,
% 7.16/1.61      ((![X0 : $i]: ( (c2_1 @ X0) | ~ (c1_1 @ X0) |  (c0_1 @ X0)))
% 7.16/1.61         <= ((![X0 : $i]: ( (c2_1 @ X0) | ~ (c1_1 @ X0) |  (c0_1 @ X0))))),
% 7.16/1.61      inference('split', [status(esa)], [zip_derived_cl141])).
% 7.16/1.61  thf(zip_derived_cl356, plain, (( (c1_1 @ a910)) <= (( (c1_1 @ a910)))),
% 7.16/1.61      inference('split', [status(esa)], [zip_derived_cl74])).
% 7.16/1.61  thf(zip_derived_cl1427, plain,
% 7.16/1.61      ((( (c0_1 @ a910) |  (c2_1 @ a910)))
% 7.16/1.61         <= (( (c1_1 @ a910)) & 
% 7.16/1.61             (![X0 : $i]: ( (c2_1 @ X0) | ~ (c1_1 @ X0) |  (c0_1 @ X0))))),
% 7.16/1.61      inference('s_sup+', [status(thm)], [zip_derived_cl499, zip_derived_cl356])).
% 7.16/1.61  thf('203', plain,
% 7.16/1.61      (( (c0_1 @ a910)) | ( (c2_1 @ a910)) | 
% 7.16/1.61       ~ (![X0 : $i]: ( (c2_1 @ X0) | ~ (c1_1 @ X0) |  (c0_1 @ X0))) | 
% 7.16/1.61       ~ ( (c1_1 @ a910))),
% 7.16/1.61      inference('split', [status(esa)], [zip_derived_cl1427])).
% 7.16/1.61  thf('204', plain,
% 7.16/1.61      (( (hskp16)) | ( (hskp10)) | 
% 7.16/1.61       (![X0 : $i]: (~ (c2_1 @ X0) | ~ (c0_1 @ X0) |  (c3_1 @ X0))) | 
% 7.16/1.61       ~ ( (ndr1_0))),
% 7.16/1.61      inference('split', [status(esa)], [zip_derived_cl158])).
% 7.16/1.61  thf(clause67, conjecture, (~( ( c1_1 @ a923 ) | ( ~( hskp16 ) ) ))).
% 7.16/1.61  thf(zf_stmt_133, negated_conjecture, (( c1_1 @ a923 ) | ( ~( hskp16 ) )),
% 7.16/1.61    inference('cnf.neg', [status(esa)], [clause67])).
% 7.16/1.61  thf(zip_derived_cl66, plain, (( (c1_1 @ a923) | ~ (hskp16))),
% 7.16/1.61      inference('cnf', [status(esa)], [zf_stmt_133])).
% 7.16/1.61  thf('205', plain, (( (c1_1 @ a923)) | ~ ( (hskp16))),
% 7.16/1.61      inference('split', [status(esa)], [zip_derived_cl66])).
% 7.16/1.61  thf(clause68, conjecture, (~( ( c2_1 @ a923 ) | ( ~( hskp16 ) ) ))).
% 7.16/1.61  thf(zf_stmt_134, negated_conjecture, (( c2_1 @ a923 ) | ( ~( hskp16 ) )),
% 7.16/1.61    inference('cnf.neg', [status(esa)], [clause68])).
% 7.16/1.61  thf(zip_derived_cl67, plain, (( (c2_1 @ a923) | ~ (hskp16))),
% 7.16/1.61      inference('cnf', [status(esa)], [zf_stmt_134])).
% 7.16/1.61  thf('206', plain, (( (c2_1 @ a923)) | ~ ( (hskp16))),
% 7.16/1.61      inference('split', [status(esa)], [zip_derived_cl67])).
% 7.16/1.61  thf(zip_derived_cl340, plain, (( (c1_1 @ a923)) <= (( (c1_1 @ a923)))),
% 7.16/1.61      inference('split', [status(esa)], [zip_derived_cl66])).
% 7.16/1.61  thf(zip_derived_cl631, plain,
% 7.16/1.61      ((![X1 : $i]: (~ (c2_1 @ X1) | ~ (c1_1 @ X1) | ~ (c0_1 @ X1)))
% 7.16/1.61         <= ((![X1 : $i]: (~ (c2_1 @ X1) | ~ (c1_1 @ X1) | ~ (c0_1 @ X1))))),
% 7.16/1.61      inference('split', [status(esa)], [zip_derived_cl174])).
% 7.16/1.61  thf(zip_derived_cl911, plain,
% 7.16/1.61      (((~ (c2_1 @ a923) | ~ (c0_1 @ a923)))
% 7.16/1.61         <= (( (c1_1 @ a923)) & 
% 7.16/1.61             (![X1 : $i]: (~ (c2_1 @ X1) | ~ (c1_1 @ X1) | ~ (c0_1 @ X1))))),
% 7.16/1.61      inference('s_sup-', [status(thm)], [zip_derived_cl340, zip_derived_cl631])).
% 7.16/1.61  thf('207', plain,
% 7.16/1.61      (~ ( (c0_1 @ a923)) | ~ ( (c2_1 @ a923)) | 
% 7.16/1.61       ~ (![X1 : $i]: (~ (c2_1 @ X1) | ~ (c1_1 @ X1) | ~ (c0_1 @ X1))) | 
% 7.16/1.61       ~ ( (c1_1 @ a923))),
% 7.16/1.61      inference('split', [status(esa)], [zip_derived_cl911])).
% 7.16/1.61  thf(zip_derived_cl515, plain,
% 7.16/1.61      ((![X0 : $i]: (~ (c1_1 @ X0) |  (c0_1 @ X0) |  (c3_1 @ X0)))
% 7.16/1.61         <= ((![X0 : $i]: (~ (c1_1 @ X0) |  (c0_1 @ X0) |  (c3_1 @ X0))))),
% 7.16/1.61      inference('split', [status(esa)], [zip_derived_cl145])).
% 7.16/1.61  thf(zip_derived_cl340, plain, (( (c1_1 @ a923)) <= (( (c1_1 @ a923)))),
% 7.16/1.61      inference('split', [status(esa)], [zip_derived_cl66])).
% 7.16/1.61  thf(zip_derived_cl1675, plain,
% 7.16/1.61      ((( (c3_1 @ a923) |  (c0_1 @ a923)))
% 7.16/1.61         <= (( (c1_1 @ a923)) & 
% 7.16/1.61             (![X0 : $i]: (~ (c1_1 @ X0) |  (c0_1 @ X0) |  (c3_1 @ X0))))),
% 7.16/1.61      inference('s_sup+', [status(thm)], [zip_derived_cl515, zip_derived_cl340])).
% 7.16/1.61  thf('208', plain,
% 7.16/1.61      (( (c0_1 @ a923)) | ( (c3_1 @ a923)) | 
% 7.16/1.61       ~ (![X0 : $i]: (~ (c1_1 @ X0) |  (c0_1 @ X0) |  (c3_1 @ X0))) | 
% 7.16/1.61       ~ ( (c1_1 @ a923))),
% 7.16/1.61      inference('split', [status(esa)], [zip_derived_cl1675])).
% 7.16/1.61  thf(zip_derived_cl8708, plain, ($false),
% 7.16/1.61      inference('sat_resolution*', [status(thm)],
% 7.16/1.61                ['0', '1', '2', '3', '4', '5', '6', '7', '8', '9', '10', '11', 
% 7.16/1.61                 '12', '13', '14', '15', '16', '17', '18', '19', '20', '21', 
% 7.16/1.61                 '22', '23', '24', '25', '26', '27', '28', '29', '30', '31', 
% 7.16/1.61                 '32', '33', '34', '35', '36', '37', '38', '39', '40', '41', 
% 7.16/1.61                 '42', '43', '44', '45', '46', '47', '48', '49', '50', '51', 
% 7.16/1.61                 '52', '53', '54', '55', '56', '57', '58', '59', '60', '61', 
% 7.16/1.61                 '62', '63', '64', '65', '66', '67', '68', '69', '70', '71', 
% 7.16/1.61                 '72', '73', '74', '75', '76', '77', '78', '79', '80', '81', 
% 7.16/1.61                 '82', '83', '84', '85', '86', '87', '88', '89', '90', '91', 
% 7.16/1.61                 '92', '93', '94', '95', '96', '97', '98', '99', '100', '101', 
% 7.16/1.61                 '102', '103', '104', '105', '106', '107', '108', '109', 
% 7.16/1.61                 '110', '111', '112', '113', '114', '115', '116', '117', 
% 7.16/1.61                 '118', '119', '120', '121', '122', '123', '124', '125', 
% 7.16/1.61                 '126', '127', '128', '129', '130', '131', '132', '133', 
% 7.16/1.61                 '134', '135', '136', '137', '138', '139', '140', '141', 
% 7.16/1.61                 '142', '143', '144', '145', '146', '147', '148', '149', 
% 7.16/1.61                 '150', '151', '152', '153', '154', '155', '156', '157', 
% 7.16/1.61                 '158', '159', '160', '161', '162', '163', '164', '165', 
% 7.16/1.61                 '166', '167', '168', '169', '170', '171', '172', '173', 
% 7.16/1.61                 '174', '175', '176', '177', '178', '179', '180', '181', 
% 7.16/1.61                 '182', '183', '184', '185', '186', '187', '188', '189', 
% 7.16/1.61                 '190', '191', '192', '193', '194', '195', '196', '197', 
% 7.16/1.61                 '198', '199', '200', '201', '202', '203', '204', '205', 
% 7.16/1.61                 '206', '207', '208'])).
% 7.16/1.61  
% 7.16/1.61  % SZS output end Refutation
% 7.16/1.61  
% 7.16/1.61  
% 7.16/1.61  % Terminating...
% 7.16/1.69  % Runner terminated.
% 7.16/1.69  % Zipperpin 1.5 exiting
%------------------------------------------------------------------------------