TSTP Solution File: SYN455-1 by Zipperpin---2.1.9999

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Zipperpin---2.1.9999
% Problem  : SYN455-1 : TPTP v8.1.2. Released v2.1.0.
% Transfm  : NO INFORMATION
% Format   : NO INFORMATION
% Command  : python3 /export/starexec/sandbox2/solver/bin/portfolio.lams.parallel.py %s %d /export/starexec/sandbox2/tmp/tmp.CmFlY1Gh9n true

% Computer : n020.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 : Fri Sep  1 04:03:39 EDT 2023

% Result   : Unsatisfiable 11.39s 2.18s
% Output   : Refutation 11.39s
% Verified : 
% SZS Type : -

% Comments : 
%------------------------------------------------------------------------------
%----WARNING: Could not form TPTP format derivation
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.10/0.13  % Problem  : SYN455-1 : TPTP v8.1.2. Released v2.1.0.
% 0.10/0.14  % Command  : python3 /export/starexec/sandbox2/solver/bin/portfolio.lams.parallel.py %s %d /export/starexec/sandbox2/tmp/tmp.CmFlY1Gh9n true
% 0.13/0.35  % Computer : n020.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 : Sat Aug 26 21:16:15 EDT 2023
% 0.13/0.35  % CPUTime  : 
% 0.13/0.35  % Running portfolio for 300 s
% 0.13/0.35  % File         : /export/starexec/sandbox2/benchmark/theBenchmark.p
% 0.13/0.35  % Number of cores: 8
% 0.13/0.36  % Python version: Python 3.6.8
% 0.13/0.36  % Running in FO mode
% 0.22/0.59  % Total configuration time : 435
% 0.22/0.59  % Estimated wc time : 1092
% 0.22/0.59  % Estimated cpu time (7 cpus) : 156.0
% 0.22/0.67  % /export/starexec/sandbox2/solver/bin/fo/fo6_bce.sh running for 75s
% 0.22/0.68  % /export/starexec/sandbox2/solver/bin/fo/fo3_bce.sh running for 75s
% 0.22/0.68  % /export/starexec/sandbox2/solver/bin/fo/fo1_av.sh running for 75s
% 0.22/0.68  % /export/starexec/sandbox2/solver/bin/fo/fo7.sh running for 63s
% 0.22/0.68  % /export/starexec/sandbox2/solver/bin/fo/fo13.sh running for 50s
% 0.22/0.69  % /export/starexec/sandbox2/solver/bin/fo/fo5.sh running for 50s
% 0.22/0.70  % /export/starexec/sandbox2/solver/bin/fo/fo4.sh running for 50s
% 11.39/2.18  % Solved by fo/fo1_av.sh.
% 11.39/2.18  % done 3366 iterations in 1.418s
% 11.39/2.18  % SZS status Theorem for '/export/starexec/sandbox2/benchmark/theBenchmark.p'
% 11.39/2.18  % SZS output start Refutation
% 11.39/2.18  thf(hskp25_type, type, hskp25: $o).
% 11.39/2.18  thf(hskp20_type, type, hskp20: $o).
% 11.39/2.18  thf(hskp17_type, type, hskp17: $o).
% 11.39/2.18  thf(hskp4_type, type, hskp4: $o).
% 11.39/2.18  thf(a901_type, type, a901: $i).
% 11.39/2.18  thf(hskp1_type, type, hskp1: $o).
% 11.39/2.18  thf(a914_type, type, a914: $i).
% 11.39/2.18  thf(a902_type, type, a902: $i).
% 11.39/2.18  thf(a916_type, type, a916: $i).
% 11.39/2.18  thf(a909_type, type, a909: $i).
% 11.39/2.18  thf(hskp26_type, type, hskp26: $o).
% 11.39/2.18  thf(hskp11_type, type, hskp11: $o).
% 11.39/2.18  thf(hskp8_type, type, hskp8: $o).
% 11.39/2.18  thf(c3_1_type, type, c3_1: $i > $o).
% 11.39/2.18  thf(hskp24_type, type, hskp24: $o).
% 11.39/2.18  thf(a959_type, type, a959: $i).
% 11.39/2.18  thf(a926_type, type, a926: $i).
% 11.39/2.18  thf(hskp15_type, type, hskp15: $o).
% 11.39/2.18  thf(a939_type, type, a939: $i).
% 11.39/2.18  thf(a921_type, type, a921: $i).
% 11.39/2.18  thf(a946_type, type, a946: $i).
% 11.39/2.18  thf(hskp27_type, type, hskp27: $o).
% 11.39/2.18  thf(a912_type, type, a912: $i).
% 11.39/2.18  thf(hskp21_type, type, hskp21: $o).
% 11.39/2.18  thf(hskp3_type, type, hskp3: $o).
% 11.39/2.18  thf(hskp22_type, type, hskp22: $o).
% 11.39/2.18  thf(a923_type, type, a923: $i).
% 11.39/2.18  thf(hskp28_type, type, hskp28: $o).
% 11.39/2.18  thf(a936_type, type, a936: $i).
% 11.39/2.18  thf(hskp6_type, type, hskp6: $o).
% 11.39/2.18  thf(a905_type, type, a905: $i).
% 11.39/2.18  thf(c0_1_type, type, c0_1: $i > $o).
% 11.39/2.18  thf(a942_type, type, a942: $i).
% 11.39/2.18  thf(a900_type, type, a900: $i).
% 11.39/2.18  thf(hskp5_type, type, hskp5: $o).
% 11.39/2.18  thf(a954_type, type, a954: $i).
% 11.39/2.18  thf(a924_type, type, a924: $i).
% 11.39/2.18  thf(a906_type, type, a906: $i).
% 11.39/2.18  thf(a979_type, type, a979: $i).
% 11.39/2.18  thf(a960_type, type, a960: $i).
% 11.39/2.18  thf(a937_type, type, a937: $i).
% 11.39/2.18  thf(a949_type, type, a949: $i).
% 11.39/2.18  thf(hskp9_type, type, hskp9: $o).
% 11.39/2.18  thf(ndr1_0_type, type, ndr1_0: $o).
% 11.39/2.18  thf(a908_type, type, a908: $i).
% 11.39/2.18  thf(hskp7_type, type, hskp7: $o).
% 11.39/2.18  thf(hskp10_type, type, hskp10: $o).
% 11.39/2.18  thf(hskp0_type, type, hskp0: $o).
% 11.39/2.18  thf(hskp30_type, type, hskp30: $o).
% 11.39/2.18  thf(hskp2_type, type, hskp2: $o).
% 11.39/2.18  thf(hskp13_type, type, hskp13: $o).
% 11.39/2.18  thf(c1_1_type, type, c1_1: $i > $o).
% 11.39/2.18  thf(a907_type, type, a907: $i).
% 11.39/2.18  thf(a910_type, type, a910: $i).
% 11.39/2.18  thf(a938_type, type, a938: $i).
% 11.39/2.18  thf(hskp18_type, type, hskp18: $o).
% 11.39/2.18  thf(a917_type, type, a917: $i).
% 11.39/2.18  thf(hskp19_type, type, hskp19: $o).
% 11.39/2.18  thf(hskp23_type, type, hskp23: $o).
% 11.39/2.18  thf(c2_1_type, type, c2_1: $i > $o).
% 11.39/2.18  thf(a904_type, type, a904: $i).
% 11.39/2.18  thf(hskp14_type, type, hskp14: $o).
% 11.39/2.18  thf(hskp12_type, type, hskp12: $o).
% 11.39/2.18  thf(a903_type, type, a903: $i).
% 11.39/2.18  thf(hskp16_type, type, hskp16: $o).
% 11.39/2.18  thf(clause161, conjecture,
% 11.39/2.18    (~( ( hskp0 ) | ( c2_1 @ V ) | ( c1_1 @ V ) | ( c0_1 @ V ) | 
% 11.39/2.18        ( c2_1 @ U ) | ( ~( ndr1_0 ) ) | ( ~( c3_1 @ U ) ) | ( ~( c0_1 @ U ) ) ))).
% 11.39/2.18  thf(zf_stmt_0, negated_conjecture,
% 11.39/2.18    (( hskp0 ) | ( c2_1 @ V ) | ( c1_1 @ V ) | ( c0_1 @ V ) | ( c2_1 @ U ) | 
% 11.39/2.18     ( ~( ndr1_0 ) ) | ( ~( c3_1 @ U ) ) | ( ~( c0_1 @ U ) )),
% 11.39/2.18    inference('cnf.neg', [status(esa)], [clause161])).
% 11.39/2.18  thf(zip_derived_cl160, plain,
% 11.39/2.18      (![X0 : $i, X1 : $i]:
% 11.39/2.18         ( (hskp0)
% 11.39/2.18          |  (c2_1 @ X0)
% 11.39/2.18          |  (c1_1 @ X0)
% 11.39/2.18          |  (c0_1 @ X0)
% 11.39/2.18          |  (c2_1 @ X1)
% 11.39/2.18          | ~ (ndr1_0)
% 11.39/2.18          | ~ (c3_1 @ X1)
% 11.39/2.18          | ~ (c0_1 @ X1))),
% 11.39/2.18      inference('cnf', [status(esa)], [zf_stmt_0])).
% 11.39/2.18  thf('0', plain,
% 11.39/2.18      (( (hskp0)) | 
% 11.39/2.18       (![X0 : $i]: ( (c2_1 @ X0) | ~ (c0_1 @ X0) | ~ (c3_1 @ X0))) | 
% 11.39/2.18       ~ ( (ndr1_0)) | 
% 11.39/2.18       (![X0 : $i]: ( (c2_1 @ X0) |  (c1_1 @ X0) |  (c0_1 @ X0)))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl160])).
% 11.39/2.18  thf(clause144, conjecture,
% 11.39/2.18    (~( ( hskp9 ) | ( hskp30 ) | ( c3_1 @ U ) | ( c2_1 @ U ) | 
% 11.39/2.18        ( ~( ndr1_0 ) ) | ( ~( c1_1 @ U ) ) ))).
% 11.39/2.18  thf(zf_stmt_1, negated_conjecture,
% 11.39/2.18    (( hskp9 ) | ( hskp30 ) | ( c3_1 @ U ) | ( c2_1 @ U ) | ( ~( ndr1_0 ) ) | 
% 11.39/2.18     ( ~( c1_1 @ U ) )),
% 11.39/2.18    inference('cnf.neg', [status(esa)], [clause144])).
% 11.39/2.18  thf(zip_derived_cl143, plain,
% 11.39/2.18      (![X0 : $i]:
% 11.39/2.18         ( (hskp9)
% 11.39/2.18          |  (hskp30)
% 11.39/2.18          |  (c3_1 @ X0)
% 11.39/2.18          |  (c2_1 @ X0)
% 11.39/2.18          | ~ (ndr1_0)
% 11.39/2.18          | ~ (c1_1 @ X0))),
% 11.39/2.18      inference('cnf', [status(esa)], [zf_stmt_1])).
% 11.39/2.18  thf(zip_derived_cl504, plain,
% 11.39/2.18      ((![X0 : $i]: ( (c2_1 @ X0) | ~ (c1_1 @ X0) |  (c3_1 @ X0)))
% 11.39/2.18         <= ((![X0 : $i]: ( (c2_1 @ X0) | ~ (c1_1 @ X0) |  (c3_1 @ X0))))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl143])).
% 11.39/2.18  thf(clause140, conjecture,
% 11.39/2.18    (~( ( hskp7 ) | ( hskp30 ) | ( c3_1 @ U ) | ( c1_1 @ U ) | 
% 11.39/2.18        ( ~( ndr1_0 ) ) | ( ~( c0_1 @ U ) ) ))).
% 11.39/2.18  thf(zf_stmt_2, negated_conjecture,
% 11.39/2.18    (( hskp7 ) | ( hskp30 ) | ( c3_1 @ U ) | ( c1_1 @ U ) | ( ~( ndr1_0 ) ) | 
% 11.39/2.18     ( ~( c0_1 @ U ) )),
% 11.39/2.18    inference('cnf.neg', [status(esa)], [clause140])).
% 11.39/2.18  thf(zip_derived_cl139, plain,
% 11.39/2.18      (![X0 : $i]:
% 11.39/2.18         ( (hskp7)
% 11.39/2.18          |  (hskp30)
% 11.39/2.18          |  (c3_1 @ X0)
% 11.39/2.18          |  (c1_1 @ X0)
% 11.39/2.18          | ~ (ndr1_0)
% 11.39/2.18          | ~ (c0_1 @ X0))),
% 11.39/2.18      inference('cnf', [status(esa)], [zf_stmt_2])).
% 11.39/2.18  thf(zip_derived_cl489, plain,
% 11.39/2.18      ((![X0 : $i]: ( (c1_1 @ X0) | ~ (c0_1 @ X0) |  (c3_1 @ X0)))
% 11.39/2.18         <= ((![X0 : $i]: ( (c1_1 @ X0) | ~ (c0_1 @ X0) |  (c3_1 @ X0))))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl139])).
% 11.39/2.18  thf(zip_derived_cl1739, plain,
% 11.39/2.18      ((![X0 : $i]:
% 11.39/2.18          ( (c3_1 @ X0) |  (c2_1 @ X0) | ~ (c0_1 @ X0) |  (c3_1 @ X0)))
% 11.39/2.18         <= ((![X0 : $i]: ( (c1_1 @ X0) | ~ (c0_1 @ X0) |  (c3_1 @ X0))) & 
% 11.39/2.18             (![X0 : $i]: ( (c2_1 @ X0) | ~ (c1_1 @ X0) |  (c3_1 @ X0))))),
% 11.39/2.18      inference('s_sup+', [status(thm)], [zip_derived_cl504, zip_derived_cl489])).
% 11.39/2.18  thf(zip_derived_cl1748, plain,
% 11.39/2.18      ((![X0 : $i]: (~ (c0_1 @ X0) |  (c2_1 @ X0) |  (c3_1 @ X0)))
% 11.39/2.18         <= ((![X0 : $i]: ( (c1_1 @ X0) | ~ (c0_1 @ X0) |  (c3_1 @ X0))) & 
% 11.39/2.18             (![X0 : $i]: ( (c2_1 @ X0) | ~ (c1_1 @ X0) |  (c3_1 @ X0))))),
% 11.39/2.18      inference('simplify', [status(thm)], [zip_derived_cl1739])).
% 11.39/2.18  thf(zip_derived_cl504, plain,
% 11.39/2.18      ((![X0 : $i]: ( (c2_1 @ X0) | ~ (c1_1 @ X0) |  (c3_1 @ X0)))
% 11.39/2.18         <= ((![X0 : $i]: ( (c2_1 @ X0) | ~ (c1_1 @ X0) |  (c3_1 @ X0))))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl143])).
% 11.39/2.18  thf(clause74, conjecture, (~( ( c1_1 @ a907 ) | ( ~( hskp6 ) ) ))).
% 11.39/2.18  thf(zf_stmt_3, negated_conjecture, (( c1_1 @ a907 ) | ( ~( hskp6 ) )),
% 11.39/2.18    inference('cnf.neg', [status(esa)], [clause74])).
% 11.39/2.18  thf(zip_derived_cl73, plain, (( (c1_1 @ a907) | ~ (hskp6))),
% 11.39/2.18      inference('cnf', [status(esa)], [zf_stmt_3])).
% 11.39/2.18  thf(zip_derived_cl333, plain, (( (c1_1 @ a907)) <= (( (c1_1 @ a907)))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl73])).
% 11.39/2.18  thf(zip_derived_cl1587, plain,
% 11.39/2.18      ((( (c3_1 @ a907) |  (c2_1 @ a907)))
% 11.39/2.18         <= (( (c1_1 @ a907)) & 
% 11.39/2.18             (![X0 : $i]: ( (c2_1 @ X0) | ~ (c1_1 @ X0) |  (c3_1 @ X0))))),
% 11.39/2.18      inference('s_sup+', [status(thm)], [zip_derived_cl504, zip_derived_cl333])).
% 11.39/2.18  thf('1', plain,
% 11.39/2.18      (( (c3_1 @ a907)) | ~ ( (c1_1 @ a907)) | 
% 11.39/2.18       ~ (![X0 : $i]: ( (c2_1 @ X0) | ~ (c1_1 @ X0) |  (c3_1 @ X0))) | 
% 11.39/2.18       ( (c2_1 @ a907))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl1587])).
% 11.39/2.18  thf(clause142, conjecture,
% 11.39/2.18    (~( ( hskp14 ) | ( hskp6 ) | ( c3_1 @ U ) | ( c2_1 @ U ) | 
% 11.39/2.18        ( ~( ndr1_0 ) ) | ( ~( c0_1 @ U ) ) ))).
% 11.39/2.18  thf(zf_stmt_4, negated_conjecture,
% 11.39/2.18    (( hskp14 ) | ( hskp6 ) | ( c3_1 @ U ) | ( c2_1 @ U ) | ( ~( ndr1_0 ) ) | 
% 11.39/2.18     ( ~( c0_1 @ U ) )),
% 11.39/2.18    inference('cnf.neg', [status(esa)], [clause142])).
% 11.39/2.18  thf(zip_derived_cl141, plain,
% 11.39/2.18      (![X0 : $i]:
% 11.39/2.18         ( (hskp14)
% 11.39/2.18          |  (hskp6)
% 11.39/2.18          |  (c3_1 @ X0)
% 11.39/2.18          |  (c2_1 @ X0)
% 11.39/2.18          | ~ (ndr1_0)
% 11.39/2.18          | ~ (c0_1 @ X0))),
% 11.39/2.18      inference('cnf', [status(esa)], [zf_stmt_4])).
% 11.39/2.18  thf('2', plain,
% 11.39/2.18      ((![X0 : $i]: ( (c2_1 @ X0) | ~ (c0_1 @ X0) |  (c3_1 @ X0))) | 
% 11.39/2.18       ( (hskp6)) | ( (hskp14)) | ~ ( (ndr1_0))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl141])).
% 11.39/2.18  thf(clause148, conjecture,
% 11.39/2.18    (~( ( hskp13 ) | ( hskp7 ) | ( c0_1 @ U ) | ( ~( ndr1_0 ) ) | 
% 11.39/2.18        ( ~( c3_1 @ U ) ) | ( ~( c2_1 @ U ) ) ))).
% 11.39/2.18  thf(zf_stmt_5, negated_conjecture,
% 11.39/2.18    (( hskp13 ) | ( hskp7 ) | ( c0_1 @ U ) | ( ~( ndr1_0 ) ) | 
% 11.39/2.18     ( ~( c3_1 @ U ) ) | ( ~( c2_1 @ U ) )),
% 11.39/2.18    inference('cnf.neg', [status(esa)], [clause148])).
% 11.39/2.18  thf(zip_derived_cl147, plain,
% 11.39/2.18      (![X0 : $i]:
% 11.39/2.18         ( (hskp13)
% 11.39/2.18          |  (hskp7)
% 11.39/2.18          |  (c0_1 @ X0)
% 11.39/2.18          | ~ (ndr1_0)
% 11.39/2.18          | ~ (c3_1 @ X0)
% 11.39/2.18          | ~ (c2_1 @ X0))),
% 11.39/2.18      inference('cnf', [status(esa)], [zf_stmt_5])).
% 11.39/2.18  thf('3', plain,
% 11.39/2.18      ((![X0 : $i]: (~ (c2_1 @ X0) |  (c0_1 @ X0) | ~ (c3_1 @ X0))) | 
% 11.39/2.18       ( (hskp13)) | ( (hskp7)) | ~ ( (ndr1_0))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl147])).
% 11.39/2.18  thf(clause92, conjecture, (~( ( ~( hskp20 ) ) | ( ~( c1_1 @ a939 ) ) ))).
% 11.39/2.18  thf(zf_stmt_6, negated_conjecture, (( ~( hskp20 ) ) | ( ~( c1_1 @ a939 ) )),
% 11.39/2.18    inference('cnf.neg', [status(esa)], [clause92])).
% 11.39/2.18  thf(zip_derived_cl91, plain, ((~ (hskp20) | ~ (c1_1 @ a939))),
% 11.39/2.18      inference('cnf', [status(esa)], [zf_stmt_6])).
% 11.39/2.18  thf('4', plain, (~ ( (c1_1 @ a939)) | ~ ( (hskp20))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl91])).
% 11.39/2.18  thf(zip_derived_cl489, plain,
% 11.39/2.18      ((![X0 : $i]: ( (c1_1 @ X0) | ~ (c0_1 @ X0) |  (c3_1 @ X0)))
% 11.39/2.18         <= ((![X0 : $i]: ( (c1_1 @ X0) | ~ (c0_1 @ X0) |  (c3_1 @ X0))))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl139])).
% 11.39/2.18  thf(zip_derived_cl369, plain, ((~ (c1_1 @ a939)) <= (~ ( (c1_1 @ a939)))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl91])).
% 11.39/2.18  thf(zip_derived_cl1730, plain,
% 11.39/2.18      ((( (c3_1 @ a939) | ~ (c0_1 @ a939)))
% 11.39/2.18         <= (~ ( (c1_1 @ a939)) & 
% 11.39/2.18             (![X0 : $i]: ( (c1_1 @ X0) | ~ (c0_1 @ X0) |  (c3_1 @ X0))))),
% 11.39/2.18      inference('s_sup-', [status(thm)], [zip_derived_cl489, zip_derived_cl369])).
% 11.39/2.18  thf('5', plain,
% 11.39/2.18      (~ (![X0 : $i]: ( (c1_1 @ X0) | ~ (c0_1 @ X0) |  (c3_1 @ X0))) | 
% 11.39/2.18       ( (c1_1 @ a939)) | ~ ( (c0_1 @ a939)) | ( (c3_1 @ a939))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl1730])).
% 11.39/2.18  thf(clause179, conjecture,
% 11.39/2.18    (~( ( c2_1 @ W ) | ( c1_1 @ W ) | ( c0_1 @ W ) | ( c3_1 @ V ) | 
% 11.39/2.18        ( c0_1 @ V ) | ( c3_1 @ U ) | ( c1_1 @ U ) | ( ~( c2_1 @ V ) ) | 
% 11.39/2.18        ( ~( ndr1_0 ) ) | ( ~( c0_1 @ U ) ) ))).
% 11.39/2.18  thf(zf_stmt_7, negated_conjecture,
% 11.39/2.18    (( c2_1 @ W ) | ( c1_1 @ W ) | ( c0_1 @ W ) | ( c3_1 @ V ) | 
% 11.39/2.18     ( c0_1 @ V ) | ( c3_1 @ U ) | ( c1_1 @ U ) | ( ~( c2_1 @ V ) ) | 
% 11.39/2.18     ( ~( ndr1_0 ) ) | ( ~( c0_1 @ U ) )),
% 11.39/2.18    inference('cnf.neg', [status(esa)], [clause179])).
% 11.39/2.18  thf(zip_derived_cl178, plain,
% 11.39/2.18      (![X0 : $i, X1 : $i, X2 : $i]:
% 11.39/2.18         ( (c2_1 @ X0)
% 11.39/2.18          |  (c1_1 @ X0)
% 11.39/2.18          |  (c0_1 @ X0)
% 11.39/2.18          |  (c3_1 @ X1)
% 11.39/2.18          |  (c0_1 @ X1)
% 11.39/2.18          |  (c3_1 @ X2)
% 11.39/2.18          |  (c1_1 @ X2)
% 11.39/2.18          | ~ (c2_1 @ X1)
% 11.39/2.18          | ~ (ndr1_0)
% 11.39/2.18          | ~ (c0_1 @ X2))),
% 11.39/2.18      inference('cnf', [status(esa)], [zf_stmt_7])).
% 11.39/2.18  thf('6', plain,
% 11.39/2.18      ((![X0 : $i]: ( (c2_1 @ X0) |  (c1_1 @ X0) |  (c0_1 @ X0))) | 
% 11.39/2.18       (![X0 : $i]: ( (c1_1 @ X0) | ~ (c0_1 @ X0) |  (c3_1 @ X0))) | 
% 11.39/2.18       ~ ( (ndr1_0)) | 
% 11.39/2.18       (![X0 : $i]: (~ (c2_1 @ X0) |  (c0_1 @ X0) |  (c3_1 @ X0)))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl178])).
% 11.39/2.18  thf(zip_derived_cl504, plain,
% 11.39/2.18      ((![X0 : $i]: ( (c2_1 @ X0) | ~ (c1_1 @ X0) |  (c3_1 @ X0)))
% 11.39/2.18         <= ((![X0 : $i]: ( (c2_1 @ X0) | ~ (c1_1 @ X0) |  (c3_1 @ X0))))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl143])).
% 11.39/2.18  thf(clause72, conjecture, (~( ( c1_1 @ a908 ) | ( ~( hskp7 ) ) ))).
% 11.39/2.18  thf(zf_stmt_8, negated_conjecture, (( c1_1 @ a908 ) | ( ~( hskp7 ) )),
% 11.39/2.18    inference('cnf.neg', [status(esa)], [clause72])).
% 11.39/2.18  thf(zip_derived_cl71, plain, (( (c1_1 @ a908) | ~ (hskp7))),
% 11.39/2.18      inference('cnf', [status(esa)], [zf_stmt_8])).
% 11.39/2.18  thf(zip_derived_cl329, plain, (( (c1_1 @ a908)) <= (( (c1_1 @ a908)))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl71])).
% 11.39/2.18  thf(zip_derived_cl1586, plain,
% 11.39/2.18      ((( (c3_1 @ a908) |  (c2_1 @ a908)))
% 11.39/2.18         <= (( (c1_1 @ a908)) & 
% 11.39/2.18             (![X0 : $i]: ( (c2_1 @ X0) | ~ (c1_1 @ X0) |  (c3_1 @ X0))))),
% 11.39/2.18      inference('s_sup+', [status(thm)], [zip_derived_cl504, zip_derived_cl329])).
% 11.39/2.18  thf('7', plain,
% 11.39/2.18      (( (c2_1 @ a908)) | ( (c3_1 @ a908)) | 
% 11.39/2.18       ~ (![X0 : $i]: ( (c2_1 @ X0) | ~ (c1_1 @ X0) |  (c3_1 @ X0))) | 
% 11.39/2.18       ~ ( (c1_1 @ a908))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl1586])).
% 11.39/2.18  thf(clause155, conjecture,
% 11.39/2.18    (~( ( hskp17 ) | ( hskp30 ) | ( c3_1 @ U ) | ( ~( ndr1_0 ) ) | 
% 11.39/2.18        ( ~( c2_1 @ U ) ) | ( ~( c0_1 @ U ) ) ))).
% 11.39/2.18  thf(zf_stmt_9, negated_conjecture,
% 11.39/2.18    (( hskp17 ) | ( hskp30 ) | ( c3_1 @ U ) | ( ~( ndr1_0 ) ) | 
% 11.39/2.18     ( ~( c2_1 @ U ) ) | ( ~( c0_1 @ U ) )),
% 11.39/2.18    inference('cnf.neg', [status(esa)], [clause155])).
% 11.39/2.18  thf(zip_derived_cl154, plain,
% 11.39/2.18      (![X0 : $i]:
% 11.39/2.18         ( (hskp17)
% 11.39/2.18          |  (hskp30)
% 11.39/2.18          |  (c3_1 @ X0)
% 11.39/2.18          | ~ (ndr1_0)
% 11.39/2.18          | ~ (c2_1 @ X0)
% 11.39/2.18          | ~ (c0_1 @ X0))),
% 11.39/2.18      inference('cnf', [status(esa)], [zf_stmt_9])).
% 11.39/2.18  thf(zip_derived_cl548, plain,
% 11.39/2.18      ((![X0 : $i]: (~ (c2_1 @ X0) | ~ (c0_1 @ X0) |  (c3_1 @ X0)))
% 11.39/2.18         <= ((![X0 : $i]: (~ (c2_1 @ X0) | ~ (c0_1 @ X0) |  (c3_1 @ X0))))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl154])).
% 11.39/2.18  thf(clause70, conjecture, (~( ( c2_1 @ a910 ) | ( ~( hskp9 ) ) ))).
% 11.39/2.18  thf(zf_stmt_10, negated_conjecture, (( c2_1 @ a910 ) | ( ~( hskp9 ) )),
% 11.39/2.18    inference('cnf.neg', [status(esa)], [clause70])).
% 11.39/2.18  thf(zip_derived_cl69, plain, (( (c2_1 @ a910) | ~ (hskp9))),
% 11.39/2.18      inference('cnf', [status(esa)], [zf_stmt_10])).
% 11.39/2.18  thf(zip_derived_cl325, plain, (( (c2_1 @ a910)) <= (( (c2_1 @ a910)))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl69])).
% 11.39/2.18  thf(zip_derived_cl1116, plain,
% 11.39/2.18      ((( (c3_1 @ a910) | ~ (c0_1 @ a910)))
% 11.39/2.18         <= (( (c2_1 @ a910)) & 
% 11.39/2.18             (![X0 : $i]: (~ (c2_1 @ X0) | ~ (c0_1 @ X0) |  (c3_1 @ X0))))),
% 11.39/2.18      inference('s_sup+', [status(thm)], [zip_derived_cl548, zip_derived_cl325])).
% 11.39/2.18  thf('8', plain,
% 11.39/2.18      (~ (![X0 : $i]: (~ (c2_1 @ X0) | ~ (c0_1 @ X0) |  (c3_1 @ X0))) | 
% 11.39/2.18       ~ ( (c0_1 @ a910)) | ~ ( (c2_1 @ a910)) | ( (c3_1 @ a910))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl1116])).
% 11.39/2.18  thf(clause135, conjecture,
% 11.39/2.18    (~( ( hskp12 ) | ( hskp28 ) | ( c3_1 @ U ) | ( c0_1 @ U ) | 
% 11.39/2.18        ( ~( ndr1_0 ) ) | ( ~( c2_1 @ U ) ) ))).
% 11.39/2.18  thf(zf_stmt_11, negated_conjecture,
% 11.39/2.18    (( hskp12 ) | ( hskp28 ) | ( c3_1 @ U ) | ( c0_1 @ U ) | ( ~( ndr1_0 ) ) | 
% 11.39/2.18     ( ~( c2_1 @ U ) )),
% 11.39/2.18    inference('cnf.neg', [status(esa)], [clause135])).
% 11.39/2.18  thf(zip_derived_cl134, plain,
% 11.39/2.18      (![X0 : $i]:
% 11.39/2.18         ( (hskp12)
% 11.39/2.18          |  (hskp28)
% 11.39/2.18          |  (c3_1 @ X0)
% 11.39/2.18          |  (c0_1 @ X0)
% 11.39/2.18          | ~ (ndr1_0)
% 11.39/2.18          | ~ (c2_1 @ X0))),
% 11.39/2.18      inference('cnf', [status(esa)], [zf_stmt_11])).
% 11.39/2.18  thf(zip_derived_cl469, plain,
% 11.39/2.18      ((![X0 : $i]: (~ (c2_1 @ X0) |  (c0_1 @ X0) |  (c3_1 @ X0)))
% 11.39/2.18         <= ((![X0 : $i]: (~ (c2_1 @ X0) |  (c0_1 @ X0) |  (c3_1 @ X0))))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl134])).
% 11.39/2.18  thf(zip_derived_cl325, plain, (( (c2_1 @ a910)) <= (( (c2_1 @ a910)))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl69])).
% 11.39/2.18  thf(zip_derived_cl1538, plain,
% 11.39/2.18      ((( (c3_1 @ a910) |  (c0_1 @ a910)))
% 11.39/2.18         <= (( (c2_1 @ a910)) & 
% 11.39/2.18             (![X0 : $i]: (~ (c2_1 @ X0) |  (c0_1 @ X0) |  (c3_1 @ X0))))),
% 11.39/2.18      inference('s_sup+', [status(thm)], [zip_derived_cl469, zip_derived_cl325])).
% 11.39/2.18  thf('9', plain,
% 11.39/2.18      (( (c0_1 @ a910)) | 
% 11.39/2.18       ~ (![X0 : $i]: (~ (c2_1 @ X0) |  (c0_1 @ X0) |  (c3_1 @ X0))) | 
% 11.39/2.18       ( (c3_1 @ a910)) | ~ ( (c2_1 @ a910))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl1538])).
% 11.39/2.18  thf(clause129, conjecture,
% 11.39/2.18    (~( ( hskp10 ) | ( hskp27 ) | ( c3_1 @ U ) | ( c2_1 @ U ) | ( c0_1 @ U ) | 
% 11.39/2.18        ( ~( ndr1_0 ) ) ))).
% 11.39/2.18  thf(zf_stmt_12, negated_conjecture,
% 11.39/2.18    (( hskp10 ) | ( hskp27 ) | ( c3_1 @ U ) | ( c2_1 @ U ) | ( c0_1 @ U ) | 
% 11.39/2.18     ( ~( ndr1_0 ) )),
% 11.39/2.18    inference('cnf.neg', [status(esa)], [clause129])).
% 11.39/2.18  thf(zip_derived_cl128, plain,
% 11.39/2.18      (![X0 : $i]:
% 11.39/2.18         ( (hskp10)
% 11.39/2.18          |  (hskp27)
% 11.39/2.18          |  (c3_1 @ X0)
% 11.39/2.18          |  (c2_1 @ X0)
% 11.39/2.18          |  (c0_1 @ X0)
% 11.39/2.18          | ~ (ndr1_0))),
% 11.39/2.18      inference('cnf', [status(esa)], [zf_stmt_12])).
% 11.39/2.18  thf(zip_derived_cl445, plain,
% 11.39/2.18      ((![X0 : $i]: ( (c2_1 @ X0) |  (c0_1 @ X0) |  (c3_1 @ X0)))
% 11.39/2.18         <= ((![X0 : $i]: ( (c2_1 @ X0) |  (c0_1 @ X0) |  (c3_1 @ X0))))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl128])).
% 11.39/2.18  thf(clause98, conjecture, (~( ( ~( hskp17 ) ) | ( ~( c2_1 @ a936 ) ) ))).
% 11.39/2.18  thf(zf_stmt_13, negated_conjecture, (( ~( hskp17 ) ) | ( ~( c2_1 @ a936 ) )),
% 11.39/2.18    inference('cnf.neg', [status(esa)], [clause98])).
% 11.39/2.18  thf(zip_derived_cl97, plain, ((~ (hskp17) | ~ (c2_1 @ a936))),
% 11.39/2.18      inference('cnf', [status(esa)], [zf_stmt_13])).
% 11.39/2.18  thf(zip_derived_cl381, plain, ((~ (c2_1 @ a936)) <= (~ ( (c2_1 @ a936)))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl97])).
% 11.39/2.18  thf(zip_derived_cl1065, plain,
% 11.39/2.18      ((( (c3_1 @ a936) |  (c0_1 @ a936)))
% 11.39/2.18         <= (~ ( (c2_1 @ a936)) & 
% 11.39/2.18             (![X0 : $i]: ( (c2_1 @ X0) |  (c0_1 @ X0) |  (c3_1 @ X0))))),
% 11.39/2.18      inference('s_sup-', [status(thm)], [zip_derived_cl445, zip_derived_cl381])).
% 11.39/2.18  thf('10', plain,
% 11.39/2.18      (( (c0_1 @ a936)) | ( (c3_1 @ a936)) | 
% 11.39/2.18       ~ (![X0 : $i]: ( (c2_1 @ X0) |  (c0_1 @ X0) |  (c3_1 @ X0))) | 
% 11.39/2.18       ( (c2_1 @ a936))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl1065])).
% 11.39/2.18  thf(clause149, conjecture,
% 11.39/2.18    (~( ( hskp24 ) | ( hskp30 ) | ( c2_1 @ U ) | ( ~( ndr1_0 ) ) | 
% 11.39/2.18        ( ~( c1_1 @ U ) ) | ( ~( c0_1 @ U ) ) ))).
% 11.39/2.18  thf(zf_stmt_14, negated_conjecture,
% 11.39/2.18    (( hskp24 ) | ( hskp30 ) | ( c2_1 @ U ) | ( ~( ndr1_0 ) ) | 
% 11.39/2.18     ( ~( c1_1 @ U ) ) | ( ~( c0_1 @ U ) )),
% 11.39/2.18    inference('cnf.neg', [status(esa)], [clause149])).
% 11.39/2.18  thf(zip_derived_cl148, plain,
% 11.39/2.18      (![X0 : $i]:
% 11.39/2.18         ( (hskp24)
% 11.39/2.18          |  (hskp30)
% 11.39/2.18          |  (c2_1 @ X0)
% 11.39/2.18          | ~ (ndr1_0)
% 11.39/2.18          | ~ (c1_1 @ X0)
% 11.39/2.18          | ~ (c0_1 @ X0))),
% 11.39/2.18      inference('cnf', [status(esa)], [zf_stmt_14])).
% 11.39/2.18  thf(zip_derived_cl524, plain,
% 11.39/2.18      ((![X0 : $i]: ( (c2_1 @ X0) | ~ (c1_1 @ X0) | ~ (c0_1 @ X0)))
% 11.39/2.18         <= ((![X0 : $i]: ( (c2_1 @ X0) | ~ (c1_1 @ X0) | ~ (c0_1 @ X0))))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl148])).
% 11.39/2.18  thf(clause48, conjecture, (~( ( c1_1 @ a979 ) | ( ~( hskp26 ) ) ))).
% 11.39/2.18  thf(zf_stmt_15, negated_conjecture, (( c1_1 @ a979 ) | ( ~( hskp26 ) )),
% 11.39/2.18    inference('cnf.neg', [status(esa)], [clause48])).
% 11.39/2.18  thf(zip_derived_cl47, plain, (( (c1_1 @ a979) | ~ (hskp26))),
% 11.39/2.18      inference('cnf', [status(esa)], [zf_stmt_15])).
% 11.39/2.18  thf(zip_derived_cl281, plain, (( (c1_1 @ a979)) <= (( (c1_1 @ a979)))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl47])).
% 11.39/2.18  thf(zip_derived_cl983, plain,
% 11.39/2.18      (((~ (c0_1 @ a979) |  (c2_1 @ a979)))
% 11.39/2.18         <= (( (c1_1 @ a979)) & 
% 11.39/2.18             (![X0 : $i]: ( (c2_1 @ X0) | ~ (c1_1 @ X0) | ~ (c0_1 @ X0))))),
% 11.39/2.18      inference('s_sup+', [status(thm)], [zip_derived_cl524, zip_derived_cl281])).
% 11.39/2.18  thf(zip_derived_cl2999, plain, (( (c2_1 @ a979)) <= (( (c2_1 @ a979)))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl983])).
% 11.39/2.18  thf(zip_derived_cl548, plain,
% 11.39/2.18      ((![X0 : $i]: (~ (c2_1 @ X0) | ~ (c0_1 @ X0) |  (c3_1 @ X0)))
% 11.39/2.18         <= ((![X0 : $i]: (~ (c2_1 @ X0) | ~ (c0_1 @ X0) |  (c3_1 @ X0))))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl154])).
% 11.39/2.18  thf(zip_derived_cl3003, plain,
% 11.39/2.18      (((~ (c0_1 @ a979) |  (c3_1 @ a979)))
% 11.39/2.18         <= ((![X0 : $i]: (~ (c2_1 @ X0) | ~ (c0_1 @ X0) |  (c3_1 @ X0))) & 
% 11.39/2.18             ( (c2_1 @ a979)))),
% 11.39/2.18      inference('s_sup-', [status(thm)],
% 11.39/2.18                [zip_derived_cl2999, zip_derived_cl548])).
% 11.39/2.18  thf('11', plain,
% 11.39/2.18      (( (c3_1 @ a979)) | ~ ( (c2_1 @ a979)) | 
% 11.39/2.18       ~ (![X0 : $i]: (~ (c2_1 @ X0) | ~ (c0_1 @ X0) |  (c3_1 @ X0))) | 
% 11.39/2.18       ~ ( (c0_1 @ a979))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl3003])).
% 11.39/2.18  thf(clause33, conjecture, (~( ( hskp4 ) | ( hskp14 ) | ( hskp20 ) ))).
% 11.39/2.18  thf(zf_stmt_16, negated_conjecture, (( hskp4 ) | ( hskp14 ) | ( hskp20 )),
% 11.39/2.18    inference('cnf.neg', [status(esa)], [clause33])).
% 11.39/2.18  thf(zip_derived_cl32, plain, (( (hskp4) |  (hskp14) |  (hskp20))),
% 11.39/2.18      inference('cnf', [status(esa)], [zf_stmt_16])).
% 11.39/2.18  thf('12', plain, (( (hskp4)) | ( (hskp20)) | ( (hskp14))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl32])).
% 11.39/2.18  thf(zip_derived_cl496, plain,
% 11.39/2.18      ((![X0 : $i]: ( (c2_1 @ X0) | ~ (c0_1 @ X0) |  (c3_1 @ X0)))
% 11.39/2.18         <= ((![X0 : $i]: ( (c2_1 @ X0) | ~ (c0_1 @ X0) |  (c3_1 @ X0))))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl141])).
% 11.39/2.18  thf(zip_derived_cl381, plain, ((~ (c2_1 @ a936)) <= (~ ( (c2_1 @ a936)))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl97])).
% 11.39/2.18  thf(zip_derived_cl1781, plain,
% 11.39/2.18      ((( (c3_1 @ a936) | ~ (c0_1 @ a936)))
% 11.39/2.18         <= (~ ( (c2_1 @ a936)) & 
% 11.39/2.18             (![X0 : $i]: ( (c2_1 @ X0) | ~ (c0_1 @ X0) |  (c3_1 @ X0))))),
% 11.39/2.18      inference('s_sup-', [status(thm)], [zip_derived_cl496, zip_derived_cl381])).
% 11.39/2.18  thf('13', plain,
% 11.39/2.18      (( (c2_1 @ a936)) | ~ ( (c0_1 @ a936)) | 
% 11.39/2.18       ~ (![X0 : $i]: ( (c2_1 @ X0) | ~ (c0_1 @ X0) |  (c3_1 @ X0))) | 
% 11.39/2.18       ( (c3_1 @ a936))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl1781])).
% 11.39/2.18  thf(clause166, conjecture,
% 11.39/2.18    (~( ( hskp27 ) | ( c1_1 @ V ) | ( c3_1 @ U ) | ( c2_1 @ U ) | 
% 11.39/2.18        ( ~( c2_1 @ V ) ) | ( ~( c0_1 @ V ) ) | ( ~( ndr1_0 ) ) | 
% 11.39/2.18        ( ~( c1_1 @ U ) ) ))).
% 11.39/2.18  thf(zf_stmt_17, negated_conjecture,
% 11.39/2.18    (( hskp27 ) | ( c1_1 @ V ) | ( c3_1 @ U ) | ( c2_1 @ U ) | 
% 11.39/2.18     ( ~( c2_1 @ V ) ) | ( ~( c0_1 @ V ) ) | ( ~( ndr1_0 ) ) | 
% 11.39/2.18     ( ~( c1_1 @ U ) )),
% 11.39/2.18    inference('cnf.neg', [status(esa)], [clause166])).
% 11.39/2.18  thf(zip_derived_cl165, plain,
% 11.39/2.18      (![X0 : $i, X1 : $i]:
% 11.39/2.18         ( (hskp27)
% 11.39/2.18          |  (c1_1 @ X0)
% 11.39/2.18          |  (c3_1 @ X1)
% 11.39/2.18          |  (c2_1 @ X1)
% 11.39/2.18          | ~ (c2_1 @ X0)
% 11.39/2.18          | ~ (c0_1 @ X0)
% 11.39/2.18          | ~ (ndr1_0)
% 11.39/2.18          | ~ (c1_1 @ X1))),
% 11.39/2.18      inference('cnf', [status(esa)], [zf_stmt_17])).
% 11.39/2.18  thf(zip_derived_cl592, plain,
% 11.39/2.18      ((![X0 : $i]: (~ (c2_1 @ X0) |  (c1_1 @ X0) | ~ (c0_1 @ X0)))
% 11.39/2.18         <= ((![X0 : $i]: (~ (c2_1 @ X0) |  (c1_1 @ X0) | ~ (c0_1 @ X0))))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl165])).
% 11.39/2.18  thf(zip_derived_cl369, plain, ((~ (c1_1 @ a939)) <= (~ ( (c1_1 @ a939)))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl91])).
% 11.39/2.18  thf(zip_derived_cl1499, plain,
% 11.39/2.18      (((~ (c0_1 @ a939) | ~ (c2_1 @ a939)))
% 11.39/2.18         <= (~ ( (c1_1 @ a939)) & 
% 11.39/2.18             (![X0 : $i]: (~ (c2_1 @ X0) |  (c1_1 @ X0) | ~ (c0_1 @ X0))))),
% 11.39/2.18      inference('s_sup-', [status(thm)], [zip_derived_cl592, zip_derived_cl369])).
% 11.39/2.18  thf(zip_derived_cl1925, plain, ((~ (c2_1 @ a939)) <= (~ ( (c2_1 @ a939)))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl1499])).
% 11.39/2.18  thf(zip_derived_cl496, plain,
% 11.39/2.18      ((![X0 : $i]: ( (c2_1 @ X0) | ~ (c0_1 @ X0) |  (c3_1 @ X0)))
% 11.39/2.18         <= ((![X0 : $i]: ( (c2_1 @ X0) | ~ (c0_1 @ X0) |  (c3_1 @ X0))))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl141])).
% 11.39/2.18  thf(zip_derived_cl1928, plain,
% 11.39/2.18      (((~ (c0_1 @ a939) |  (c3_1 @ a939)))
% 11.39/2.18         <= (~ ( (c2_1 @ a939)) & 
% 11.39/2.18             (![X0 : $i]: ( (c2_1 @ X0) | ~ (c0_1 @ X0) |  (c3_1 @ X0))))),
% 11.39/2.18      inference('s_sup+', [status(thm)],
% 11.39/2.18                [zip_derived_cl1925, zip_derived_cl496])).
% 11.39/2.18  thf('14', plain,
% 11.39/2.18      (( (c2_1 @ a939)) | ( (c3_1 @ a939)) | 
% 11.39/2.18       ~ (![X0 : $i]: ( (c2_1 @ X0) | ~ (c0_1 @ X0) |  (c3_1 @ X0))) | 
% 11.39/2.18       ~ ( (c0_1 @ a939))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl1928])).
% 11.39/2.18  thf(clause55, conjecture, (~( ( c0_1 @ a939 ) | ( ~( hskp20 ) ) ))).
% 11.39/2.18  thf(zf_stmt_18, negated_conjecture, (( c0_1 @ a939 ) | ( ~( hskp20 ) )),
% 11.39/2.18    inference('cnf.neg', [status(esa)], [clause55])).
% 11.39/2.18  thf(zip_derived_cl54, plain, (( (c0_1 @ a939) | ~ (hskp20))),
% 11.39/2.18      inference('cnf', [status(esa)], [zf_stmt_18])).
% 11.39/2.18  thf('15', plain, (( (c0_1 @ a939)) | ~ ( (hskp20))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl54])).
% 11.39/2.18  thf(clause93, conjecture, (~( ( ~( hskp20 ) ) | ( ~( c3_1 @ a939 ) ) ))).
% 11.39/2.18  thf(zf_stmt_19, negated_conjecture, (( ~( hskp20 ) ) | ( ~( c3_1 @ a939 ) )),
% 11.39/2.18    inference('cnf.neg', [status(esa)], [clause93])).
% 11.39/2.18  thf(zip_derived_cl92, plain, ((~ (hskp20) | ~ (c3_1 @ a939))),
% 11.39/2.18      inference('cnf', [status(esa)], [zf_stmt_19])).
% 11.39/2.18  thf('16', plain, (~ ( (c3_1 @ a939)) | ~ ( (hskp20))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl92])).
% 11.39/2.18  thf(clause128, conjecture,
% 11.39/2.18    (~( ( hskp2 ) | ( hskp1 ) | ( c2_1 @ U ) | ( c1_1 @ U ) | ( c0_1 @ U ) | 
% 11.39/2.18        ( ~( ndr1_0 ) ) ))).
% 11.39/2.18  thf(zf_stmt_20, negated_conjecture,
% 11.39/2.18    (( hskp2 ) | ( hskp1 ) | ( c2_1 @ U ) | ( c1_1 @ U ) | ( c0_1 @ U ) | 
% 11.39/2.18     ( ~( ndr1_0 ) )),
% 11.39/2.18    inference('cnf.neg', [status(esa)], [clause128])).
% 11.39/2.18  thf(zip_derived_cl127, plain,
% 11.39/2.18      (![X0 : $i]:
% 11.39/2.18         ( (hskp2)
% 11.39/2.18          |  (hskp1)
% 11.39/2.18          |  (c2_1 @ X0)
% 11.39/2.18          |  (c1_1 @ X0)
% 11.39/2.18          |  (c0_1 @ X0)
% 11.39/2.18          | ~ (ndr1_0))),
% 11.39/2.18      inference('cnf', [status(esa)], [zf_stmt_20])).
% 11.39/2.18  thf(zip_derived_cl441, plain,
% 11.39/2.18      ((![X0 : $i]: ( (c2_1 @ X0) |  (c1_1 @ X0) |  (c0_1 @ X0)))
% 11.39/2.18         <= ((![X0 : $i]: ( (c2_1 @ X0) |  (c1_1 @ X0) |  (c0_1 @ X0))))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl127])).
% 11.39/2.18  thf(zip_derived_cl369, plain, ((~ (c1_1 @ a939)) <= (~ ( (c1_1 @ a939)))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl91])).
% 11.39/2.18  thf(zip_derived_cl963, plain,
% 11.39/2.18      ((( (c0_1 @ a939) |  (c2_1 @ a939)))
% 11.39/2.18         <= (~ ( (c1_1 @ a939)) & 
% 11.39/2.18             (![X0 : $i]: ( (c2_1 @ X0) |  (c1_1 @ X0) |  (c0_1 @ X0))))),
% 11.39/2.18      inference('s_sup-', [status(thm)], [zip_derived_cl441, zip_derived_cl369])).
% 11.39/2.18  thf(zip_derived_cl2730, plain, (( (c2_1 @ a939)) <= (( (c2_1 @ a939)))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl963])).
% 11.39/2.18  thf(zip_derived_cl548, plain,
% 11.39/2.18      ((![X0 : $i]: (~ (c2_1 @ X0) | ~ (c0_1 @ X0) |  (c3_1 @ X0)))
% 11.39/2.18         <= ((![X0 : $i]: (~ (c2_1 @ X0) | ~ (c0_1 @ X0) |  (c3_1 @ X0))))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl154])).
% 11.39/2.18  thf(zip_derived_cl2734, plain,
% 11.39/2.18      (((~ (c0_1 @ a939) |  (c3_1 @ a939)))
% 11.39/2.18         <= ((![X0 : $i]: (~ (c2_1 @ X0) | ~ (c0_1 @ X0) |  (c3_1 @ X0))) & 
% 11.39/2.18             ( (c2_1 @ a939)))),
% 11.39/2.18      inference('s_sup-', [status(thm)],
% 11.39/2.18                [zip_derived_cl2730, zip_derived_cl548])).
% 11.39/2.18  thf('17', plain,
% 11.39/2.18      (~ (![X0 : $i]: (~ (c2_1 @ X0) | ~ (c0_1 @ X0) |  (c3_1 @ X0))) | 
% 11.39/2.18       ~ ( (c0_1 @ a939)) | ( (c3_1 @ a939)) | ~ ( (c2_1 @ a939))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl2734])).
% 11.39/2.18  thf(clause184, conjecture,
% 11.39/2.18    (~( ( c3_1 @ W ) | ( c2_1 @ W ) | ( c3_1 @ V ) | ( ~( c1_1 @ W ) ) | 
% 11.39/2.18        ( ~( c2_1 @ V ) ) | ( ~( c0_1 @ V ) ) | ( ~( ndr1_0 ) ) | 
% 11.39/2.18        ( ~( c3_1 @ U ) ) | ( ~( c1_1 @ U ) ) | ( ~( c0_1 @ U ) ) ))).
% 11.39/2.18  thf(zf_stmt_21, negated_conjecture,
% 11.39/2.18    (( c3_1 @ W ) | ( c2_1 @ W ) | ( c3_1 @ V ) | ( ~( c1_1 @ W ) ) | 
% 11.39/2.18     ( ~( c2_1 @ V ) ) | ( ~( c0_1 @ V ) ) | ( ~( ndr1_0 ) ) | 
% 11.39/2.18     ( ~( c3_1 @ U ) ) | ( ~( c1_1 @ U ) ) | ( ~( c0_1 @ U ) )),
% 11.39/2.18    inference('cnf.neg', [status(esa)], [clause184])).
% 11.39/2.18  thf(zip_derived_cl183, plain,
% 11.39/2.18      (![X0 : $i, X1 : $i, X2 : $i]:
% 11.39/2.18         ( (c3_1 @ X0)
% 11.39/2.18          |  (c2_1 @ X0)
% 11.39/2.18          |  (c3_1 @ X1)
% 11.39/2.18          | ~ (c1_1 @ X0)
% 11.39/2.18          | ~ (c2_1 @ X1)
% 11.39/2.18          | ~ (c0_1 @ X1)
% 11.39/2.18          | ~ (ndr1_0)
% 11.39/2.18          | ~ (c3_1 @ X2)
% 11.39/2.18          | ~ (c1_1 @ X2)
% 11.39/2.18          | ~ (c0_1 @ X2))),
% 11.39/2.18      inference('cnf', [status(esa)], [zf_stmt_21])).
% 11.39/2.18  thf('18', plain,
% 11.39/2.18      ((![X0 : $i]: ( (c2_1 @ X0) | ~ (c1_1 @ X0) |  (c3_1 @ X0))) | 
% 11.39/2.18       (![X1 : $i]: (~ (c1_1 @ X1) | ~ (c0_1 @ X1) | ~ (c3_1 @ X1))) | 
% 11.39/2.18       ~ ( (ndr1_0)) | 
% 11.39/2.18       (![X0 : $i]: (~ (c2_1 @ X0) | ~ (c0_1 @ X0) |  (c3_1 @ X0)))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl183])).
% 11.39/2.18  thf(zip_derived_cl504, plain,
% 11.39/2.18      ((![X0 : $i]: ( (c2_1 @ X0) | ~ (c1_1 @ X0) |  (c3_1 @ X0)))
% 11.39/2.18         <= ((![X0 : $i]: ( (c2_1 @ X0) | ~ (c1_1 @ X0) |  (c3_1 @ X0))))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl143])).
% 11.39/2.18  thf(clause58, conjecture, (~( ( c1_1 @ a937 ) | ( ~( hskp18 ) ) ))).
% 11.39/2.18  thf(zf_stmt_22, negated_conjecture, (( c1_1 @ a937 ) | ( ~( hskp18 ) )),
% 11.39/2.18    inference('cnf.neg', [status(esa)], [clause58])).
% 11.39/2.18  thf(zip_derived_cl57, plain, (( (c1_1 @ a937) | ~ (hskp18))),
% 11.39/2.18      inference('cnf', [status(esa)], [zf_stmt_22])).
% 11.39/2.18  thf(zip_derived_cl301, plain, (( (c1_1 @ a937)) <= (( (c1_1 @ a937)))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl57])).
% 11.39/2.18  thf(zip_derived_cl1581, plain,
% 11.39/2.18      ((( (c3_1 @ a937) |  (c2_1 @ a937)))
% 11.39/2.18         <= (( (c1_1 @ a937)) & 
% 11.39/2.18             (![X0 : $i]: ( (c2_1 @ X0) | ~ (c1_1 @ X0) |  (c3_1 @ X0))))),
% 11.39/2.18      inference('s_sup+', [status(thm)], [zip_derived_cl504, zip_derived_cl301])).
% 11.39/2.18  thf('19', plain,
% 11.39/2.18      (( (c3_1 @ a937)) | ( (c2_1 @ a937)) | 
% 11.39/2.18       ~ (![X0 : $i]: ( (c2_1 @ X0) | ~ (c1_1 @ X0) |  (c3_1 @ X0))) | 
% 11.39/2.18       ~ ( (c1_1 @ a937))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl1581])).
% 11.39/2.18  thf(clause176, conjecture,
% 11.39/2.18    (~( ( c3_1 @ W ) | ( c1_1 @ W ) | ( c0_1 @ W ) | ( c3_1 @ V ) | 
% 11.39/2.18        ( c2_1 @ V ) | ( c0_1 @ V ) | ( c3_1 @ U ) | ( c2_1 @ U ) | 
% 11.39/2.18        ( ~( ndr1_0 ) ) | ( ~( c0_1 @ U ) ) ))).
% 11.39/2.18  thf(zf_stmt_23, negated_conjecture,
% 11.39/2.18    (( c3_1 @ W ) | ( c1_1 @ W ) | ( c0_1 @ W ) | ( c3_1 @ V ) | 
% 11.39/2.18     ( c2_1 @ V ) | ( c0_1 @ V ) | ( c3_1 @ U ) | ( c2_1 @ U ) | 
% 11.39/2.18     ( ~( ndr1_0 ) ) | ( ~( c0_1 @ U ) )),
% 11.39/2.18    inference('cnf.neg', [status(esa)], [clause176])).
% 11.39/2.18  thf(zip_derived_cl175, plain,
% 11.39/2.18      (![X0 : $i, X1 : $i, X2 : $i]:
% 11.39/2.18         ( (c3_1 @ X0)
% 11.39/2.18          |  (c1_1 @ X0)
% 11.39/2.18          |  (c0_1 @ X0)
% 11.39/2.18          |  (c3_1 @ X1)
% 11.39/2.18          |  (c2_1 @ X1)
% 11.39/2.18          |  (c0_1 @ X1)
% 11.39/2.18          |  (c3_1 @ X2)
% 11.39/2.18          |  (c2_1 @ X2)
% 11.39/2.18          | ~ (ndr1_0)
% 11.39/2.18          | ~ (c0_1 @ X2))),
% 11.39/2.18      inference('cnf', [status(esa)], [zf_stmt_23])).
% 11.39/2.18  thf('20', plain,
% 11.39/2.18      ((![X0 : $i]: ( (c2_1 @ X0) | ~ (c0_1 @ X0) |  (c3_1 @ X0))) | 
% 11.39/2.18       (![X0 : $i]: ( (c1_1 @ X0) |  (c0_1 @ X0) |  (c3_1 @ X0))) | 
% 11.39/2.18       ~ ( (ndr1_0)) | 
% 11.39/2.18       (![X0 : $i]: ( (c2_1 @ X0) |  (c0_1 @ X0) |  (c3_1 @ X0)))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl175])).
% 11.39/2.18  thf(zip_derived_cl445, plain,
% 11.39/2.18      ((![X0 : $i]: ( (c2_1 @ X0) |  (c0_1 @ X0) |  (c3_1 @ X0)))
% 11.39/2.18         <= ((![X0 : $i]: ( (c2_1 @ X0) |  (c0_1 @ X0) |  (c3_1 @ X0))))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl128])).
% 11.39/2.18  thf(clause96, conjecture, (~( ( ~( hskp18 ) ) | ( ~( c2_1 @ a937 ) ) ))).
% 11.39/2.18  thf(zf_stmt_24, negated_conjecture, (( ~( hskp18 ) ) | ( ~( c2_1 @ a937 ) )),
% 11.39/2.18    inference('cnf.neg', [status(esa)], [clause96])).
% 11.39/2.18  thf(zip_derived_cl95, plain, ((~ (hskp18) | ~ (c2_1 @ a937))),
% 11.39/2.18      inference('cnf', [status(esa)], [zf_stmt_24])).
% 11.39/2.18  thf(zip_derived_cl377, plain, ((~ (c2_1 @ a937)) <= (~ ( (c2_1 @ a937)))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl95])).
% 11.39/2.18  thf(zip_derived_cl1052, plain,
% 11.39/2.18      ((( (c3_1 @ a937) |  (c0_1 @ a937)))
% 11.39/2.18         <= (~ ( (c2_1 @ a937)) & 
% 11.39/2.18             (![X0 : $i]: ( (c2_1 @ X0) |  (c0_1 @ X0) |  (c3_1 @ X0))))),
% 11.39/2.18      inference('s_sup-', [status(thm)], [zip_derived_cl445, zip_derived_cl377])).
% 11.39/2.18  thf('21', plain,
% 11.39/2.18      (~ (![X0 : $i]: ( (c2_1 @ X0) |  (c0_1 @ X0) |  (c3_1 @ X0))) | 
% 11.39/2.18       ( (c0_1 @ a937)) | ( (c2_1 @ a937)) | ( (c3_1 @ a937))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl1052])).
% 11.39/2.18  thf(clause95, conjecture, (~( ( ~( hskp18 ) ) | ( ~( c0_1 @ a937 ) ) ))).
% 11.39/2.18  thf(zf_stmt_25, negated_conjecture, (( ~( hskp18 ) ) | ( ~( c0_1 @ a937 ) )),
% 11.39/2.18    inference('cnf.neg', [status(esa)], [clause95])).
% 11.39/2.18  thf(zip_derived_cl94, plain, ((~ (hskp18) | ~ (c0_1 @ a937))),
% 11.39/2.18      inference('cnf', [status(esa)], [zf_stmt_25])).
% 11.39/2.18  thf('22', plain, (~ ( (hskp18)) | ~ ( (c0_1 @ a937))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl94])).
% 11.39/2.18  thf(clause152, conjecture,
% 11.39/2.18    (~( ( hskp21 ) | ( hskp25 ) | ( c2_1 @ U ) | ( ~( ndr1_0 ) ) | 
% 11.39/2.18        ( ~( c3_1 @ U ) ) | ( ~( c1_1 @ U ) ) ))).
% 11.39/2.18  thf(zf_stmt_26, negated_conjecture,
% 11.39/2.18    (( hskp21 ) | ( hskp25 ) | ( c2_1 @ U ) | ( ~( ndr1_0 ) ) | 
% 11.39/2.18     ( ~( c3_1 @ U ) ) | ( ~( c1_1 @ U ) )),
% 11.39/2.18    inference('cnf.neg', [status(esa)], [clause152])).
% 11.39/2.18  thf(zip_derived_cl151, plain,
% 11.39/2.18      (![X0 : $i]:
% 11.39/2.18         ( (hskp21)
% 11.39/2.18          |  (hskp25)
% 11.39/2.18          |  (c2_1 @ X0)
% 11.39/2.18          | ~ (ndr1_0)
% 11.39/2.18          | ~ (c3_1 @ X0)
% 11.39/2.18          | ~ (c1_1 @ X0))),
% 11.39/2.18      inference('cnf', [status(esa)], [zf_stmt_26])).
% 11.39/2.18  thf(zip_derived_cl536, plain,
% 11.39/2.18      ((![X0 : $i]: ( (c2_1 @ X0) | ~ (c1_1 @ X0) | ~ (c3_1 @ X0)))
% 11.39/2.18         <= ((![X0 : $i]: ( (c2_1 @ X0) | ~ (c1_1 @ X0) | ~ (c3_1 @ X0))))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl151])).
% 11.39/2.18  thf(zip_derived_cl301, plain, (( (c1_1 @ a937)) <= (( (c1_1 @ a937)))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl57])).
% 11.39/2.18  thf(zip_derived_cl1013, plain,
% 11.39/2.18      (((~ (c3_1 @ a937) |  (c2_1 @ a937)))
% 11.39/2.18         <= (( (c1_1 @ a937)) & 
% 11.39/2.18             (![X0 : $i]: ( (c2_1 @ X0) | ~ (c1_1 @ X0) | ~ (c3_1 @ X0))))),
% 11.39/2.18      inference('s_sup+', [status(thm)], [zip_derived_cl536, zip_derived_cl301])).
% 11.39/2.18  thf('23', plain,
% 11.39/2.18      (~ (![X0 : $i]: ( (c2_1 @ X0) | ~ (c1_1 @ X0) | ~ (c3_1 @ X0))) | 
% 11.39/2.18       ~ ( (c3_1 @ a937)) | ~ ( (c1_1 @ a937)) | ( (c2_1 @ a937))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl1013])).
% 11.39/2.18  thf('24', plain, (( (c1_1 @ a937)) | ~ ( (hskp18))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl57])).
% 11.39/2.18  thf('25', plain, (~ ( (hskp18)) | ~ ( (c2_1 @ a937))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl95])).
% 11.39/2.18  thf(clause138, conjecture,
% 11.39/2.18    (~( ( hskp19 ) | ( hskp18 ) | ( c2_1 @ U ) | ( c1_1 @ U ) | 
% 11.39/2.18        ( ~( ndr1_0 ) ) | ( ~( c0_1 @ U ) ) ))).
% 11.39/2.18  thf(zf_stmt_27, negated_conjecture,
% 11.39/2.18    (( hskp19 ) | ( hskp18 ) | ( c2_1 @ U ) | ( c1_1 @ U ) | ( ~( ndr1_0 ) ) | 
% 11.39/2.18     ( ~( c0_1 @ U ) )),
% 11.39/2.18    inference('cnf.neg', [status(esa)], [clause138])).
% 11.39/2.18  thf(zip_derived_cl137, plain,
% 11.39/2.18      (![X0 : $i]:
% 11.39/2.18         ( (hskp19)
% 11.39/2.18          |  (hskp18)
% 11.39/2.18          |  (c2_1 @ X0)
% 11.39/2.18          |  (c1_1 @ X0)
% 11.39/2.18          | ~ (ndr1_0)
% 11.39/2.18          | ~ (c0_1 @ X0))),
% 11.39/2.18      inference('cnf', [status(esa)], [zf_stmt_27])).
% 11.39/2.18  thf('26', plain,
% 11.39/2.18      ((![X0 : $i]: ( (c2_1 @ X0) |  (c1_1 @ X0) | ~ (c0_1 @ X0))) | 
% 11.39/2.18       ( (hskp18)) | ~ ( (ndr1_0)) | ( (hskp19))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl137])).
% 11.39/2.18  thf(clause56, conjecture, (~( ( c2_1 @ a938 ) | ( ~( hskp19 ) ) ))).
% 11.39/2.18  thf(zf_stmt_28, negated_conjecture, (( c2_1 @ a938 ) | ( ~( hskp19 ) )),
% 11.39/2.18    inference('cnf.neg', [status(esa)], [clause56])).
% 11.39/2.18  thf(zip_derived_cl55, plain, (( (c2_1 @ a938) | ~ (hskp19))),
% 11.39/2.18      inference('cnf', [status(esa)], [zf_stmt_28])).
% 11.39/2.18  thf('27', plain, (( (c2_1 @ a938)) | ~ ( (hskp19))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl55])).
% 11.39/2.18  thf(clause57, conjecture, (~( ( c3_1 @ a938 ) | ( ~( hskp19 ) ) ))).
% 11.39/2.18  thf(zf_stmt_29, negated_conjecture, (( c3_1 @ a938 ) | ( ~( hskp19 ) )),
% 11.39/2.18    inference('cnf.neg', [status(esa)], [clause57])).
% 11.39/2.18  thf(zip_derived_cl56, plain, (( (c3_1 @ a938) | ~ (hskp19))),
% 11.39/2.18      inference('cnf', [status(esa)], [zf_stmt_29])).
% 11.39/2.18  thf('28', plain, (( (c3_1 @ a938)) | ~ ( (hskp19))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl56])).
% 11.39/2.18  thf(clause94, conjecture, (~( ( ~( hskp19 ) ) | ( ~( c0_1 @ a938 ) ) ))).
% 11.39/2.18  thf(zf_stmt_30, negated_conjecture, (( ~( hskp19 ) ) | ( ~( c0_1 @ a938 ) )),
% 11.39/2.18    inference('cnf.neg', [status(esa)], [clause94])).
% 11.39/2.18  thf(zip_derived_cl93, plain, ((~ (hskp19) | ~ (c0_1 @ a938))),
% 11.39/2.18      inference('cnf', [status(esa)], [zf_stmt_30])).
% 11.39/2.18  thf('29', plain, (~ ( (hskp19)) | ~ ( (c0_1 @ a938))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl93])).
% 11.39/2.18  thf(clause147, conjecture,
% 11.39/2.18    (~( ( hskp16 ) | ( hskp28 ) | ( c0_1 @ U ) | ( ~( ndr1_0 ) ) | 
% 11.39/2.18        ( ~( c3_1 @ U ) ) | ( ~( c2_1 @ U ) ) ))).
% 11.39/2.18  thf(zf_stmt_31, negated_conjecture,
% 11.39/2.18    (( hskp16 ) | ( hskp28 ) | ( c0_1 @ U ) | ( ~( ndr1_0 ) ) | 
% 11.39/2.18     ( ~( c3_1 @ U ) ) | ( ~( c2_1 @ U ) )),
% 11.39/2.18    inference('cnf.neg', [status(esa)], [clause147])).
% 11.39/2.18  thf(zip_derived_cl146, plain,
% 11.39/2.18      (![X0 : $i]:
% 11.39/2.18         ( (hskp16)
% 11.39/2.18          |  (hskp28)
% 11.39/2.18          |  (c0_1 @ X0)
% 11.39/2.18          | ~ (ndr1_0)
% 11.39/2.18          | ~ (c3_1 @ X0)
% 11.39/2.18          | ~ (c2_1 @ X0))),
% 11.39/2.18      inference('cnf', [status(esa)], [zf_stmt_31])).
% 11.39/2.18  thf(zip_derived_cl516, plain,
% 11.39/2.18      ((![X0 : $i]: (~ (c2_1 @ X0) |  (c0_1 @ X0) | ~ (c3_1 @ X0)))
% 11.39/2.18         <= ((![X0 : $i]: (~ (c2_1 @ X0) |  (c0_1 @ X0) | ~ (c3_1 @ X0))))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl146])).
% 11.39/2.18  thf(zip_derived_cl297, plain, (( (c2_1 @ a938)) <= (( (c2_1 @ a938)))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl55])).
% 11.39/2.18  thf(zip_derived_cl928, plain,
% 11.39/2.18      (((~ (c3_1 @ a938) |  (c0_1 @ a938)))
% 11.39/2.18         <= (( (c2_1 @ a938)) & 
% 11.39/2.18             (![X0 : $i]: (~ (c2_1 @ X0) |  (c0_1 @ X0) | ~ (c3_1 @ X0))))),
% 11.39/2.18      inference('s_sup+', [status(thm)], [zip_derived_cl516, zip_derived_cl297])).
% 11.39/2.18  thf('30', plain,
% 11.39/2.18      (( (c0_1 @ a938)) | ~ ( (c3_1 @ a938)) | 
% 11.39/2.18       ~ (![X0 : $i]: (~ (c2_1 @ X0) |  (c0_1 @ X0) | ~ (c3_1 @ X0))) | 
% 11.39/2.18       ~ ( (c2_1 @ a938))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl928])).
% 11.39/2.18  thf(clause137, conjecture,
% 11.39/2.18    (~( ( hskp17 ) | ( hskp12 ) | ( c2_1 @ U ) | ( c1_1 @ U ) | 
% 11.39/2.18        ( ~( ndr1_0 ) ) | ( ~( c0_1 @ U ) ) ))).
% 11.39/2.18  thf(zf_stmt_32, negated_conjecture,
% 11.39/2.18    (( hskp17 ) | ( hskp12 ) | ( c2_1 @ U ) | ( c1_1 @ U ) | ( ~( ndr1_0 ) ) | 
% 11.39/2.18     ( ~( c0_1 @ U ) )),
% 11.39/2.18    inference('cnf.neg', [status(esa)], [clause137])).
% 11.39/2.18  thf(zip_derived_cl136, plain,
% 11.39/2.18      (![X0 : $i]:
% 11.39/2.18         ( (hskp17)
% 11.39/2.18          |  (hskp12)
% 11.39/2.18          |  (c2_1 @ X0)
% 11.39/2.18          |  (c1_1 @ X0)
% 11.39/2.18          | ~ (ndr1_0)
% 11.39/2.18          | ~ (c0_1 @ X0))),
% 11.39/2.18      inference('cnf', [status(esa)], [zf_stmt_32])).
% 11.39/2.18  thf('31', plain,
% 11.39/2.18      (( (hskp12)) | ( (hskp17)) | 
% 11.39/2.18       (![X0 : $i]: ( (c2_1 @ X0) |  (c1_1 @ X0) | ~ (c0_1 @ X0))) | 
% 11.39/2.18       ~ ( (ndr1_0))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl136])).
% 11.39/2.18  thf(zip_derived_cl536, plain,
% 11.39/2.18      ((![X0 : $i]: ( (c2_1 @ X0) | ~ (c1_1 @ X0) | ~ (c3_1 @ X0)))
% 11.39/2.18         <= ((![X0 : $i]: ( (c2_1 @ X0) | ~ (c1_1 @ X0) | ~ (c3_1 @ X0))))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl151])).
% 11.39/2.18  thf(zip_derived_cl477, plain,
% 11.39/2.18      ((![X0 : $i]: ( (c2_1 @ X0) |  (c1_1 @ X0) | ~ (c0_1 @ X0)))
% 11.39/2.18         <= ((![X0 : $i]: ( (c2_1 @ X0) |  (c1_1 @ X0) | ~ (c0_1 @ X0))))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl136])).
% 11.39/2.18  thf(zip_derived_cl1644, plain,
% 11.39/2.18      ((![X0 : $i]:
% 11.39/2.18          (~ (c3_1 @ X0) |  (c2_1 @ X0) |  (c2_1 @ X0) | ~ (c0_1 @ X0)))
% 11.39/2.18         <= ((![X0 : $i]: ( (c2_1 @ X0) |  (c1_1 @ X0) | ~ (c0_1 @ X0))) & 
% 11.39/2.18             (![X0 : $i]: ( (c2_1 @ X0) | ~ (c1_1 @ X0) | ~ (c3_1 @ X0))))),
% 11.39/2.18      inference('s_sup+', [status(thm)], [zip_derived_cl536, zip_derived_cl477])).
% 11.39/2.18  thf(zip_derived_cl1652, plain,
% 11.39/2.18      ((![X0 : $i]: (~ (c0_1 @ X0) |  (c2_1 @ X0) | ~ (c3_1 @ X0)))
% 11.39/2.18         <= ((![X0 : $i]: ( (c2_1 @ X0) |  (c1_1 @ X0) | ~ (c0_1 @ X0))) & 
% 11.39/2.18             (![X0 : $i]: ( (c2_1 @ X0) | ~ (c1_1 @ X0) | ~ (c3_1 @ X0))))),
% 11.39/2.18      inference('simplify', [status(thm)], [zip_derived_cl1644])).
% 11.39/2.18  thf(clause108, conjecture, (~( ( ~( hskp11 ) ) | ( ~( c2_1 @ a914 ) ) ))).
% 11.39/2.18  thf(zf_stmt_33, negated_conjecture, (( ~( hskp11 ) ) | ( ~( c2_1 @ a914 ) )),
% 11.39/2.18    inference('cnf.neg', [status(esa)], [clause108])).
% 11.39/2.18  thf(zip_derived_cl107, plain, ((~ (hskp11) | ~ (c2_1 @ a914))),
% 11.39/2.18      inference('cnf', [status(esa)], [zf_stmt_33])).
% 11.39/2.18  thf(zip_derived_cl401, plain, ((~ (c2_1 @ a914)) <= (~ ( (c2_1 @ a914)))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl107])).
% 11.39/2.18  thf(zip_derived_cl5105, plain,
% 11.39/2.18      (((~ (c3_1 @ a914) | ~ (c0_1 @ a914)))
% 11.39/2.18         <= (~ ( (c2_1 @ a914)) & 
% 11.39/2.18             (![X0 : $i]: ( (c2_1 @ X0) |  (c1_1 @ X0) | ~ (c0_1 @ X0))) & 
% 11.39/2.18             (![X0 : $i]: ( (c2_1 @ X0) | ~ (c1_1 @ X0) | ~ (c3_1 @ X0))))),
% 11.39/2.18      inference('s_sup-', [status(thm)],
% 11.39/2.18                [zip_derived_cl1652, zip_derived_cl401])).
% 11.39/2.18  thf('32', plain,
% 11.39/2.18      (~ (![X0 : $i]: ( (c2_1 @ X0) | ~ (c1_1 @ X0) | ~ (c3_1 @ X0))) | 
% 11.39/2.18       ~ (![X0 : $i]: ( (c2_1 @ X0) |  (c1_1 @ X0) | ~ (c0_1 @ X0))) | 
% 11.39/2.18       ~ ( (c3_1 @ a914)) | ~ ( (c0_1 @ a914)) | ( (c2_1 @ a914))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl5105])).
% 11.39/2.18  thf(zip_derived_cl633, plain,
% 11.39/2.18      ((![X0 : $i]: ( (c1_1 @ X0) |  (c0_1 @ X0) |  (c3_1 @ X0)))
% 11.39/2.18         <= ((![X0 : $i]: ( (c1_1 @ X0) |  (c0_1 @ X0) |  (c3_1 @ X0))))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl175])).
% 11.39/2.18  thf(clause102, conjecture, (~( ( ~( hskp15 ) ) | ( ~( c1_1 @ a924 ) ) ))).
% 11.39/2.18  thf(zf_stmt_34, negated_conjecture, (( ~( hskp15 ) ) | ( ~( c1_1 @ a924 ) )),
% 11.39/2.18    inference('cnf.neg', [status(esa)], [clause102])).
% 11.39/2.18  thf(zip_derived_cl101, plain, ((~ (hskp15) | ~ (c1_1 @ a924))),
% 11.39/2.18      inference('cnf', [status(esa)], [zf_stmt_34])).
% 11.39/2.18  thf(zip_derived_cl389, plain, ((~ (c1_1 @ a924)) <= (~ ( (c1_1 @ a924)))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl101])).
% 11.39/2.18  thf(zip_derived_cl1960, plain,
% 11.39/2.18      ((( (c3_1 @ a924) |  (c0_1 @ a924)))
% 11.39/2.18         <= (~ ( (c1_1 @ a924)) & 
% 11.39/2.18             (![X0 : $i]: ( (c1_1 @ X0) |  (c0_1 @ X0) |  (c3_1 @ X0))))),
% 11.39/2.18      inference('s_sup-', [status(thm)], [zip_derived_cl633, zip_derived_cl389])).
% 11.39/2.18  thf('33', plain,
% 11.39/2.18      (~ (![X0 : $i]: ( (c1_1 @ X0) |  (c0_1 @ X0) |  (c3_1 @ X0))) | 
% 11.39/2.18       ( (c3_1 @ a924)) | ( (c1_1 @ a924)) | ( (c0_1 @ a924))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl1960])).
% 11.39/2.18  thf(clause157, conjecture,
% 11.39/2.18    (~( ( hskp15 ) | ( hskp23 ) | ( ~( ndr1_0 ) ) | ( ~( c3_1 @ U ) ) | 
% 11.39/2.18        ( ~( c2_1 @ U ) ) | ( ~( c0_1 @ U ) ) ))).
% 11.39/2.18  thf(zf_stmt_35, negated_conjecture,
% 11.39/2.18    (( hskp15 ) | ( hskp23 ) | ( ~( ndr1_0 ) ) | ( ~( c3_1 @ U ) ) | 
% 11.39/2.18     ( ~( c2_1 @ U ) ) | ( ~( c0_1 @ U ) )),
% 11.39/2.18    inference('cnf.neg', [status(esa)], [clause157])).
% 11.39/2.18  thf(zip_derived_cl156, plain,
% 11.39/2.18      (![X0 : $i]:
% 11.39/2.18         ( (hskp15)
% 11.39/2.18          |  (hskp23)
% 11.39/2.18          | ~ (ndr1_0)
% 11.39/2.18          | ~ (c3_1 @ X0)
% 11.39/2.18          | ~ (c2_1 @ X0)
% 11.39/2.18          | ~ (c0_1 @ X0))),
% 11.39/2.18      inference('cnf', [status(esa)], [zf_stmt_35])).
% 11.39/2.18  thf('34', plain,
% 11.39/2.18      (( (hskp15)) | ( (hskp23)) | ~ ( (ndr1_0)) | 
% 11.39/2.18       (![X0 : $i]: (~ (c2_1 @ X0) | ~ (c0_1 @ X0) | ~ (c3_1 @ X0)))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl156])).
% 11.39/2.18  thf(clause134, conjecture,
% 11.39/2.18    (~( ( hskp11 ) | ( hskp6 ) | ( c3_1 @ U ) | ( c0_1 @ U ) | 
% 11.39/2.18        ( ~( ndr1_0 ) ) | ( ~( c1_1 @ U ) ) ))).
% 11.39/2.18  thf(zf_stmt_36, negated_conjecture,
% 11.39/2.18    (( hskp11 ) | ( hskp6 ) | ( c3_1 @ U ) | ( c0_1 @ U ) | ( ~( ndr1_0 ) ) | 
% 11.39/2.18     ( ~( c1_1 @ U ) )),
% 11.39/2.18    inference('cnf.neg', [status(esa)], [clause134])).
% 11.39/2.18  thf(zip_derived_cl133, plain,
% 11.39/2.18      (![X0 : $i]:
% 11.39/2.18         ( (hskp11)
% 11.39/2.18          |  (hskp6)
% 11.39/2.18          |  (c3_1 @ X0)
% 11.39/2.18          |  (c0_1 @ X0)
% 11.39/2.18          | ~ (ndr1_0)
% 11.39/2.18          | ~ (c1_1 @ X0))),
% 11.39/2.18      inference('cnf', [status(esa)], [zf_stmt_36])).
% 11.39/2.18  thf(zip_derived_cl465, plain,
% 11.39/2.18      ((![X0 : $i]: (~ (c1_1 @ X0) |  (c0_1 @ X0) |  (c3_1 @ X0)))
% 11.39/2.18         <= ((![X0 : $i]: (~ (c1_1 @ X0) |  (c0_1 @ X0) |  (c3_1 @ X0))))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl133])).
% 11.39/2.18  thf(clause59, conjecture, (~( ( c1_1 @ a926 ) | ( ~( hskp16 ) ) ))).
% 11.39/2.18  thf(zf_stmt_37, negated_conjecture, (( c1_1 @ a926 ) | ( ~( hskp16 ) )),
% 11.39/2.18    inference('cnf.neg', [status(esa)], [clause59])).
% 11.39/2.18  thf(zip_derived_cl58, plain, (( (c1_1 @ a926) | ~ (hskp16))),
% 11.39/2.18      inference('cnf', [status(esa)], [zf_stmt_37])).
% 11.39/2.18  thf(zip_derived_cl303, plain, (( (c1_1 @ a926)) <= (( (c1_1 @ a926)))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl58])).
% 11.39/2.18  thf(zip_derived_cl1455, plain,
% 11.39/2.18      ((( (c3_1 @ a926) |  (c0_1 @ a926)))
% 11.39/2.18         <= (( (c1_1 @ a926)) & 
% 11.39/2.18             (![X0 : $i]: (~ (c1_1 @ X0) |  (c0_1 @ X0) |  (c3_1 @ X0))))),
% 11.39/2.18      inference('s_sup+', [status(thm)], [zip_derived_cl465, zip_derived_cl303])).
% 11.39/2.18  thf('35', plain,
% 11.39/2.18      (( (c0_1 @ a926)) | ( (c3_1 @ a926)) | 
% 11.39/2.18       ~ (![X0 : $i]: (~ (c1_1 @ X0) |  (c0_1 @ X0) |  (c3_1 @ X0))) | 
% 11.39/2.18       ~ ( (c1_1 @ a926))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl1455])).
% 11.39/2.18  thf(clause160, conjecture,
% 11.39/2.18    (~( ( hskp27 ) | ( c2_1 @ V ) | ( c1_1 @ V ) | ( c0_1 @ V ) | 
% 11.39/2.18        ( c0_1 @ U ) | ( ~( ndr1_0 ) ) | ( ~( c3_1 @ U ) ) | ( ~( c1_1 @ U ) ) ))).
% 11.39/2.18  thf(zf_stmt_38, negated_conjecture,
% 11.39/2.18    (( hskp27 ) | ( c2_1 @ V ) | ( c1_1 @ V ) | ( c0_1 @ V ) | ( c0_1 @ U ) | 
% 11.39/2.18     ( ~( ndr1_0 ) ) | ( ~( c3_1 @ U ) ) | ( ~( c1_1 @ U ) )),
% 11.39/2.18    inference('cnf.neg', [status(esa)], [clause160])).
% 11.39/2.18  thf(zip_derived_cl159, plain,
% 11.39/2.18      (![X0 : $i, X1 : $i]:
% 11.39/2.18         ( (hskp27)
% 11.39/2.18          |  (c2_1 @ X0)
% 11.39/2.18          |  (c1_1 @ X0)
% 11.39/2.18          |  (c0_1 @ X0)
% 11.39/2.18          |  (c0_1 @ X1)
% 11.39/2.18          | ~ (ndr1_0)
% 11.39/2.18          | ~ (c3_1 @ X1)
% 11.39/2.18          | ~ (c1_1 @ X1))),
% 11.39/2.18      inference('cnf', [status(esa)], [zf_stmt_38])).
% 11.39/2.18  thf(zip_derived_cl568, plain,
% 11.39/2.18      ((![X1 : $i]: (~ (c1_1 @ X1) |  (c0_1 @ X1) | ~ (c3_1 @ X1)))
% 11.39/2.18         <= ((![X1 : $i]: (~ (c1_1 @ X1) |  (c0_1 @ X1) | ~ (c3_1 @ X1))))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl159])).
% 11.39/2.18  thf(clause68, conjecture, (~( ( c1_1 @ a912 ) | ( ~( hskp10 ) ) ))).
% 11.39/2.18  thf(zf_stmt_39, negated_conjecture, (( c1_1 @ a912 ) | ( ~( hskp10 ) )),
% 11.39/2.18    inference('cnf.neg', [status(esa)], [clause68])).
% 11.39/2.18  thf(zip_derived_cl67, plain, (( (c1_1 @ a912) | ~ (hskp10))),
% 11.39/2.18      inference('cnf', [status(esa)], [zf_stmt_39])).
% 11.39/2.18  thf(zip_derived_cl321, plain, (( (c1_1 @ a912)) <= (( (c1_1 @ a912)))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl67])).
% 11.39/2.18  thf(zip_derived_cl1169, plain,
% 11.39/2.18      (((~ (c3_1 @ a912) |  (c0_1 @ a912)))
% 11.39/2.18         <= (( (c1_1 @ a912)) & 
% 11.39/2.18             (![X1 : $i]: (~ (c1_1 @ X1) |  (c0_1 @ X1) | ~ (c3_1 @ X1))))),
% 11.39/2.18      inference('s_sup+', [status(thm)], [zip_derived_cl568, zip_derived_cl321])).
% 11.39/2.18  thf('36', plain,
% 11.39/2.18      (( (c0_1 @ a912)) | ~ ( (c1_1 @ a912)) | 
% 11.39/2.18       ~ (![X1 : $i]: (~ (c1_1 @ X1) |  (c0_1 @ X1) | ~ (c3_1 @ X1))) | 
% 11.39/2.18       ~ ( (c3_1 @ a912))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl1169])).
% 11.39/2.18  thf('37', plain,
% 11.39/2.18      ((![X0 : $i]: ( (c2_1 @ X0) |  (c1_1 @ X0) |  (c0_1 @ X0))) | 
% 11.39/2.18       ( (hskp27)) | ~ ( (ndr1_0)) | 
% 11.39/2.18       (![X1 : $i]: (~ (c1_1 @ X1) |  (c0_1 @ X1) | ~ (c3_1 @ X1)))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl159])).
% 11.39/2.18  thf(zip_derived_cl568, plain,
% 11.39/2.18      ((![X1 : $i]: (~ (c1_1 @ X1) |  (c0_1 @ X1) | ~ (c3_1 @ X1)))
% 11.39/2.18         <= ((![X1 : $i]: (~ (c1_1 @ X1) |  (c0_1 @ X1) | ~ (c3_1 @ X1))))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl159])).
% 11.39/2.18  thf(clause51, conjecture, (~( ( c1_1 @ a954 ) | ( ~( hskp23 ) ) ))).
% 11.39/2.18  thf(zf_stmt_40, negated_conjecture, (( c1_1 @ a954 ) | ( ~( hskp23 ) )),
% 11.39/2.18    inference('cnf.neg', [status(esa)], [clause51])).
% 11.39/2.18  thf(zip_derived_cl50, plain, (( (c1_1 @ a954) | ~ (hskp23))),
% 11.39/2.18      inference('cnf', [status(esa)], [zf_stmt_40])).
% 11.39/2.18  thf(zip_derived_cl287, plain, (( (c1_1 @ a954)) <= (( (c1_1 @ a954)))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl50])).
% 11.39/2.18  thf(zip_derived_cl1165, plain,
% 11.39/2.18      (((~ (c3_1 @ a954) |  (c0_1 @ a954)))
% 11.39/2.18         <= (( (c1_1 @ a954)) & 
% 11.39/2.18             (![X1 : $i]: (~ (c1_1 @ X1) |  (c0_1 @ X1) | ~ (c3_1 @ X1))))),
% 11.39/2.18      inference('s_sup+', [status(thm)], [zip_derived_cl568, zip_derived_cl287])).
% 11.39/2.18  thf('38', plain,
% 11.39/2.18      (( (c0_1 @ a954)) | ~ ( (c1_1 @ a954)) | 
% 11.39/2.18       ~ (![X1 : $i]: (~ (c1_1 @ X1) |  (c0_1 @ X1) | ~ (c3_1 @ X1))) | 
% 11.39/2.18       ~ ( (c3_1 @ a954))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl1165])).
% 11.39/2.18  thf(zip_derived_cl548, plain,
% 11.39/2.18      ((![X0 : $i]: (~ (c2_1 @ X0) | ~ (c0_1 @ X0) |  (c3_1 @ X0)))
% 11.39/2.18         <= ((![X0 : $i]: (~ (c2_1 @ X0) | ~ (c0_1 @ X0) |  (c3_1 @ X0))))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl154])).
% 11.39/2.18  thf(clause60, conjecture, (~( ( c2_1 @ a926 ) | ( ~( hskp16 ) ) ))).
% 11.39/2.18  thf(zf_stmt_41, negated_conjecture, (( c2_1 @ a926 ) | ( ~( hskp16 ) )),
% 11.39/2.18    inference('cnf.neg', [status(esa)], [clause60])).
% 11.39/2.18  thf(zip_derived_cl59, plain, (( (c2_1 @ a926) | ~ (hskp16))),
% 11.39/2.18      inference('cnf', [status(esa)], [zf_stmt_41])).
% 11.39/2.18  thf(zip_derived_cl305, plain, (( (c2_1 @ a926)) <= (( (c2_1 @ a926)))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl59])).
% 11.39/2.18  thf(zip_derived_cl1112, plain,
% 11.39/2.18      ((( (c3_1 @ a926) | ~ (c0_1 @ a926)))
% 11.39/2.18         <= (( (c2_1 @ a926)) & 
% 11.39/2.18             (![X0 : $i]: (~ (c2_1 @ X0) | ~ (c0_1 @ X0) |  (c3_1 @ X0))))),
% 11.39/2.18      inference('s_sup+', [status(thm)], [zip_derived_cl548, zip_derived_cl305])).
% 11.39/2.18  thf('39', plain,
% 11.39/2.18      (( (c3_1 @ a926)) | ~ ( (c0_1 @ a926)) | 
% 11.39/2.18       ~ (![X0 : $i]: (~ (c2_1 @ X0) | ~ (c0_1 @ X0) |  (c3_1 @ X0))) | 
% 11.39/2.18       ~ ( (c2_1 @ a926))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl1112])).
% 11.39/2.18  thf(zip_derived_cl441, plain,
% 11.39/2.18      ((![X0 : $i]: ( (c2_1 @ X0) |  (c1_1 @ X0) |  (c0_1 @ X0)))
% 11.39/2.18         <= ((![X0 : $i]: ( (c2_1 @ X0) |  (c1_1 @ X0) |  (c0_1 @ X0))))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl127])).
% 11.39/2.18  thf(clause97, conjecture, (~( ( ~( hskp17 ) ) | ( ~( c1_1 @ a936 ) ) ))).
% 11.39/2.18  thf(zf_stmt_42, negated_conjecture, (( ~( hskp17 ) ) | ( ~( c1_1 @ a936 ) )),
% 11.39/2.18    inference('cnf.neg', [status(esa)], [clause97])).
% 11.39/2.18  thf(zip_derived_cl96, plain, ((~ (hskp17) | ~ (c1_1 @ a936))),
% 11.39/2.18      inference('cnf', [status(esa)], [zf_stmt_42])).
% 11.39/2.18  thf(zip_derived_cl379, plain, ((~ (c1_1 @ a936)) <= (~ ( (c1_1 @ a936)))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl96])).
% 11.39/2.18  thf(zip_derived_cl970, plain,
% 11.39/2.18      ((( (c0_1 @ a936) |  (c2_1 @ a936)))
% 11.39/2.18         <= (~ ( (c1_1 @ a936)) & 
% 11.39/2.18             (![X0 : $i]: ( (c2_1 @ X0) |  (c1_1 @ X0) |  (c0_1 @ X0))))),
% 11.39/2.18      inference('s_sup-', [status(thm)], [zip_derived_cl441, zip_derived_cl379])).
% 11.39/2.18  thf('40', plain,
% 11.39/2.18      (( (c0_1 @ a936)) | ( (c1_1 @ a936)) | 
% 11.39/2.18       ~ (![X0 : $i]: ( (c2_1 @ X0) |  (c1_1 @ X0) |  (c0_1 @ X0))) | 
% 11.39/2.18       ( (c2_1 @ a936))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl970])).
% 11.39/2.18  thf(clause77, conjecture, (~( ( c3_1 @ a905 ) | ( ~( hskp4 ) ) ))).
% 11.39/2.18  thf(zf_stmt_43, negated_conjecture, (( c3_1 @ a905 ) | ( ~( hskp4 ) )),
% 11.39/2.18    inference('cnf.neg', [status(esa)], [clause77])).
% 11.39/2.18  thf(zip_derived_cl76, plain, (( (c3_1 @ a905) | ~ (hskp4))),
% 11.39/2.18      inference('cnf', [status(esa)], [zf_stmt_43])).
% 11.39/2.18  thf('41', plain, (( (c3_1 @ a905)) | ~ ( (hskp4))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl76])).
% 11.39/2.18  thf(clause132, conjecture,
% 11.39/2.18    (~( ( hskp4 ) | ( hskp3 ) | ( c1_1 @ U ) | ( c0_1 @ U ) | 
% 11.39/2.18        ( ~( ndr1_0 ) ) | ( ~( c2_1 @ U ) ) ))).
% 11.39/2.18  thf(zf_stmt_44, negated_conjecture,
% 11.39/2.18    (( hskp4 ) | ( hskp3 ) | ( c1_1 @ U ) | ( c0_1 @ U ) | ( ~( ndr1_0 ) ) | 
% 11.39/2.18     ( ~( c2_1 @ U ) )),
% 11.39/2.18    inference('cnf.neg', [status(esa)], [clause132])).
% 11.39/2.18  thf(zip_derived_cl131, plain,
% 11.39/2.18      (![X0 : $i]:
% 11.39/2.18         ( (hskp4)
% 11.39/2.18          |  (hskp3)
% 11.39/2.18          |  (c1_1 @ X0)
% 11.39/2.18          |  (c0_1 @ X0)
% 11.39/2.18          | ~ (ndr1_0)
% 11.39/2.18          | ~ (c2_1 @ X0))),
% 11.39/2.18      inference('cnf', [status(esa)], [zf_stmt_44])).
% 11.39/2.18  thf('42', plain,
% 11.39/2.18      (( (hskp4)) | ( (hskp3)) | ~ ( (ndr1_0)) | 
% 11.39/2.18       (![X0 : $i]: (~ (c2_1 @ X0) |  (c1_1 @ X0) |  (c0_1 @ X0)))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl131])).
% 11.39/2.18  thf(zip_derived_cl556, plain,
% 11.39/2.18      ((![X0 : $i]: (~ (c2_1 @ X0) | ~ (c0_1 @ X0) | ~ (c3_1 @ X0)))
% 11.39/2.18         <= ((![X0 : $i]: (~ (c2_1 @ X0) | ~ (c0_1 @ X0) | ~ (c3_1 @ X0))))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl156])).
% 11.39/2.18  thf(clause37, conjecture, (~( ( c2_1 @ a942 ) | ( ~( hskp30 ) ) ))).
% 11.39/2.18  thf(zf_stmt_45, negated_conjecture, (( c2_1 @ a942 ) | ( ~( hskp30 ) )),
% 11.39/2.18    inference('cnf.neg', [status(esa)], [clause37])).
% 11.39/2.18  thf(zip_derived_cl36, plain, (( (c2_1 @ a942) | ~ (hskp30))),
% 11.39/2.18      inference('cnf', [status(esa)], [zf_stmt_45])).
% 11.39/2.18  thf(zip_derived_cl259, plain, (( (c2_1 @ a942)) <= (( (c2_1 @ a942)))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl36])).
% 11.39/2.18  thf(zip_derived_cl683, plain,
% 11.39/2.18      (((~ (c3_1 @ a942) | ~ (c0_1 @ a942)))
% 11.39/2.18         <= (( (c2_1 @ a942)) & 
% 11.39/2.18             (![X0 : $i]: (~ (c2_1 @ X0) | ~ (c0_1 @ X0) | ~ (c3_1 @ X0))))),
% 11.39/2.18      inference('s_sup+', [status(thm)], [zip_derived_cl556, zip_derived_cl259])).
% 11.39/2.18  thf('43', plain,
% 11.39/2.18      (~ (![X0 : $i]: (~ (c2_1 @ X0) | ~ (c0_1 @ X0) | ~ (c3_1 @ X0))) | 
% 11.39/2.18       ~ ( (c3_1 @ a942)) | ~ ( (c0_1 @ a942)) | ~ ( (c2_1 @ a942))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl683])).
% 11.39/2.18  thf(clause118, conjecture, (~( ( ~( hskp4 ) ) | ( ~( c0_1 @ a905 ) ) ))).
% 11.39/2.18  thf(zf_stmt_46, negated_conjecture, (( ~( hskp4 ) ) | ( ~( c0_1 @ a905 ) )),
% 11.39/2.18    inference('cnf.neg', [status(esa)], [clause118])).
% 11.39/2.18  thf(zip_derived_cl117, plain, ((~ (hskp4) | ~ (c0_1 @ a905))),
% 11.39/2.18      inference('cnf', [status(esa)], [zf_stmt_46])).
% 11.39/2.18  thf('44', plain, (~ ( (c0_1 @ a905)) | ~ ( (hskp4))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl117])).
% 11.39/2.18  thf(clause119, conjecture, (~( ( ~( hskp4 ) ) | ( ~( c2_1 @ a905 ) ) ))).
% 11.39/2.18  thf(zf_stmt_47, negated_conjecture, (( ~( hskp4 ) ) | ( ~( c2_1 @ a905 ) )),
% 11.39/2.18    inference('cnf.neg', [status(esa)], [clause119])).
% 11.39/2.18  thf(zip_derived_cl118, plain, ((~ (hskp4) | ~ (c2_1 @ a905))),
% 11.39/2.18      inference('cnf', [status(esa)], [zf_stmt_47])).
% 11.39/2.18  thf('45', plain, (~ ( (c2_1 @ a905)) | ~ ( (hskp4))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl118])).
% 11.39/2.18  thf(clause181, conjecture,
% 11.39/2.18    (~( ( c2_1 @ W ) | ( c1_1 @ W ) | ( c0_1 @ W ) | ( c2_1 @ V ) | 
% 11.39/2.18        ( c0_1 @ V ) | ( ~( c3_1 @ V ) ) | ( ~( ndr1_0 ) ) | 
% 11.39/2.18        ( ~( c3_1 @ U ) ) | ( ~( c1_1 @ U ) ) | ( ~( c0_1 @ U ) ) ))).
% 11.39/2.18  thf(zf_stmt_48, negated_conjecture,
% 11.39/2.18    (( c2_1 @ W ) | ( c1_1 @ W ) | ( c0_1 @ W ) | ( c2_1 @ V ) | 
% 11.39/2.18     ( c0_1 @ V ) | ( ~( c3_1 @ V ) ) | ( ~( ndr1_0 ) ) | ( ~( c3_1 @ U ) ) | 
% 11.39/2.18     ( ~( c1_1 @ U ) ) | ( ~( c0_1 @ U ) )),
% 11.39/2.18    inference('cnf.neg', [status(esa)], [clause181])).
% 11.39/2.18  thf(zip_derived_cl180, plain,
% 11.39/2.18      (![X0 : $i, X1 : $i, X2 : $i]:
% 11.39/2.18         ( (c2_1 @ X0)
% 11.39/2.18          |  (c1_1 @ X0)
% 11.39/2.18          |  (c0_1 @ X0)
% 11.39/2.18          |  (c2_1 @ X1)
% 11.39/2.18          |  (c0_1 @ X1)
% 11.39/2.18          | ~ (c3_1 @ X1)
% 11.39/2.18          | ~ (ndr1_0)
% 11.39/2.18          | ~ (c3_1 @ X2)
% 11.39/2.18          | ~ (c1_1 @ X2)
% 11.39/2.18          | ~ (c0_1 @ X2))),
% 11.39/2.18      inference('cnf', [status(esa)], [zf_stmt_48])).
% 11.39/2.18  thf(zip_derived_cl652, plain,
% 11.39/2.18      ((![X1 : $i]: ( (c2_1 @ X1) |  (c0_1 @ X1) | ~ (c3_1 @ X1)))
% 11.39/2.18         <= ((![X1 : $i]: ( (c2_1 @ X1) |  (c0_1 @ X1) | ~ (c3_1 @ X1))))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl180])).
% 11.39/2.18  thf(zip_derived_cl423, plain, ((~ (c2_1 @ a905)) <= (~ ( (c2_1 @ a905)))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl118])).
% 11.39/2.18  thf(zip_derived_cl1855, plain,
% 11.39/2.18      (((~ (c3_1 @ a905) |  (c0_1 @ a905)))
% 11.39/2.18         <= (~ ( (c2_1 @ a905)) & 
% 11.39/2.18             (![X1 : $i]: ( (c2_1 @ X1) |  (c0_1 @ X1) | ~ (c3_1 @ X1))))),
% 11.39/2.18      inference('s_sup-', [status(thm)], [zip_derived_cl652, zip_derived_cl423])).
% 11.39/2.18  thf('46', plain,
% 11.39/2.18      (~ (![X1 : $i]: ( (c2_1 @ X1) |  (c0_1 @ X1) | ~ (c3_1 @ X1))) | 
% 11.39/2.18       ( (c0_1 @ a905)) | ( (c2_1 @ a905)) | ~ ( (c3_1 @ a905))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl1855])).
% 11.39/2.18  thf(clause169, conjecture,
% 11.39/2.18    (~( ( hskp0 ) | ( c3_1 @ V ) | ( c2_1 @ V ) | ( c3_1 @ U ) | 
% 11.39/2.18        ( ~( c0_1 @ V ) ) | ( ~( ndr1_0 ) ) | ( ~( c1_1 @ U ) ) | 
% 11.39/2.18        ( ~( c0_1 @ U ) ) ))).
% 11.39/2.18  thf(zf_stmt_49, negated_conjecture,
% 11.39/2.18    (( hskp0 ) | ( c3_1 @ V ) | ( c2_1 @ V ) | ( c3_1 @ U ) | 
% 11.39/2.18     ( ~( c0_1 @ V ) ) | ( ~( ndr1_0 ) ) | ( ~( c1_1 @ U ) ) | 
% 11.39/2.18     ( ~( c0_1 @ U ) )),
% 11.39/2.18    inference('cnf.neg', [status(esa)], [clause169])).
% 11.39/2.18  thf(zip_derived_cl168, plain,
% 11.39/2.18      (![X0 : $i, X1 : $i]:
% 11.39/2.18         ( (hskp0)
% 11.39/2.18          |  (c3_1 @ X0)
% 11.39/2.18          |  (c2_1 @ X0)
% 11.39/2.18          |  (c3_1 @ X1)
% 11.39/2.18          | ~ (c0_1 @ X0)
% 11.39/2.18          | ~ (ndr1_0)
% 11.39/2.18          | ~ (c1_1 @ X1)
% 11.39/2.18          | ~ (c0_1 @ X1))),
% 11.39/2.18      inference('cnf', [status(esa)], [zf_stmt_49])).
% 11.39/2.18  thf('47', plain,
% 11.39/2.18      ((![X0 : $i]: ( (c2_1 @ X0) | ~ (c0_1 @ X0) |  (c3_1 @ X0))) | 
% 11.39/2.18       ( (hskp0)) | 
% 11.39/2.18       (![X0 : $i]: (~ (c1_1 @ X0) | ~ (c0_1 @ X0) |  (c3_1 @ X0))) | 
% 11.39/2.18       ~ ( (ndr1_0))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl168])).
% 11.39/2.18  thf(zip_derived_cl465, plain,
% 11.39/2.18      ((![X0 : $i]: (~ (c1_1 @ X0) |  (c0_1 @ X0) |  (c3_1 @ X0)))
% 11.39/2.18         <= ((![X0 : $i]: (~ (c1_1 @ X0) |  (c0_1 @ X0) |  (c3_1 @ X0))))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl133])).
% 11.39/2.18  thf(clause71, conjecture, (~( ( c1_1 @ a909 ) | ( ~( hskp8 ) ) ))).
% 11.39/2.18  thf(zf_stmt_50, negated_conjecture, (( c1_1 @ a909 ) | ( ~( hskp8 ) )),
% 11.39/2.18    inference('cnf.neg', [status(esa)], [clause71])).
% 11.39/2.18  thf(zip_derived_cl70, plain, (( (c1_1 @ a909) | ~ (hskp8))),
% 11.39/2.18      inference('cnf', [status(esa)], [zf_stmt_50])).
% 11.39/2.18  thf(zip_derived_cl327, plain, (( (c1_1 @ a909)) <= (( (c1_1 @ a909)))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl70])).
% 11.39/2.18  thf(zip_derived_cl1458, plain,
% 11.39/2.18      ((( (c3_1 @ a909) |  (c0_1 @ a909)))
% 11.39/2.18         <= (( (c1_1 @ a909)) & 
% 11.39/2.18             (![X0 : $i]: (~ (c1_1 @ X0) |  (c0_1 @ X0) |  (c3_1 @ X0))))),
% 11.39/2.18      inference('s_sup+', [status(thm)], [zip_derived_cl465, zip_derived_cl327])).
% 11.39/2.18  thf('48', plain,
% 11.39/2.18      (( (c0_1 @ a909)) | ~ ( (c1_1 @ a909)) | 
% 11.39/2.18       ~ (![X0 : $i]: (~ (c1_1 @ X0) |  (c0_1 @ X0) |  (c3_1 @ X0))) | 
% 11.39/2.18       ( (c3_1 @ a909))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl1458])).
% 11.39/2.18  thf('49', plain, (( (c1_1 @ a909)) | ~ ( (hskp8))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl70])).
% 11.39/2.18  thf(clause112, conjecture, (~( ( ~( hskp8 ) ) | ( ~( c0_1 @ a909 ) ) ))).
% 11.39/2.18  thf(zf_stmt_51, negated_conjecture, (( ~( hskp8 ) ) | ( ~( c0_1 @ a909 ) )),
% 11.39/2.18    inference('cnf.neg', [status(esa)], [clause112])).
% 11.39/2.18  thf(zip_derived_cl111, plain, ((~ (hskp8) | ~ (c0_1 @ a909))),
% 11.39/2.18      inference('cnf', [status(esa)], [zf_stmt_51])).
% 11.39/2.18  thf('50', plain, (~ ( (hskp8)) | ~ ( (c0_1 @ a909))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl111])).
% 11.39/2.18  thf(clause113, conjecture, (~( ( ~( hskp8 ) ) | ( ~( c3_1 @ a909 ) ) ))).
% 11.39/2.18  thf(zf_stmt_52, negated_conjecture, (( ~( hskp8 ) ) | ( ~( c3_1 @ a909 ) )),
% 11.39/2.18    inference('cnf.neg', [status(esa)], [clause113])).
% 11.39/2.18  thf(zip_derived_cl112, plain, ((~ (hskp8) | ~ (c3_1 @ a909))),
% 11.39/2.18      inference('cnf', [status(esa)], [zf_stmt_52])).
% 11.39/2.18  thf('51', plain, (~ ( (hskp8)) | ~ ( (c3_1 @ a909))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl112])).
% 11.39/2.18  thf(clause162, conjecture,
% 11.39/2.18    (~( ( hskp8 ) | ( c3_1 @ V ) | ( c2_1 @ V ) | ( c0_1 @ V ) | 
% 11.39/2.18        ( c0_1 @ U ) | ( ~( ndr1_0 ) ) | ( ~( c3_1 @ U ) ) | ( ~( c1_1 @ U ) ) ))).
% 11.39/2.18  thf(zf_stmt_53, negated_conjecture,
% 11.39/2.18    (( hskp8 ) | ( c3_1 @ V ) | ( c2_1 @ V ) | ( c0_1 @ V ) | ( c0_1 @ U ) | 
% 11.39/2.18     ( ~( ndr1_0 ) ) | ( ~( c3_1 @ U ) ) | ( ~( c1_1 @ U ) )),
% 11.39/2.18    inference('cnf.neg', [status(esa)], [clause162])).
% 11.39/2.18  thf(zip_derived_cl161, plain,
% 11.39/2.18      (![X0 : $i, X1 : $i]:
% 11.39/2.18         ( (hskp8)
% 11.39/2.18          |  (c3_1 @ X0)
% 11.39/2.18          |  (c2_1 @ X0)
% 11.39/2.18          |  (c0_1 @ X0)
% 11.39/2.18          |  (c0_1 @ X1)
% 11.39/2.18          | ~ (ndr1_0)
% 11.39/2.18          | ~ (c3_1 @ X1)
% 11.39/2.18          | ~ (c1_1 @ X1))),
% 11.39/2.18      inference('cnf', [status(esa)], [zf_stmt_53])).
% 11.39/2.18  thf('52', plain,
% 11.39/2.18      ((![X1 : $i]: (~ (c1_1 @ X1) |  (c0_1 @ X1) | ~ (c3_1 @ X1))) | 
% 11.39/2.18       ( (hskp8)) | ~ ( (ndr1_0)) | 
% 11.39/2.18       (![X0 : $i]: ( (c2_1 @ X0) |  (c0_1 @ X0) |  (c3_1 @ X0)))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl161])).
% 11.39/2.18  thf(clause182, conjecture,
% 11.39/2.18    (~( ( c2_1 @ W ) | ( c1_1 @ W ) | ( c0_1 @ W ) | ( c3_1 @ V ) | 
% 11.39/2.18        ( c3_1 @ U ) | ( ~( c2_1 @ V ) ) | ( ~( c0_1 @ V ) ) | 
% 11.39/2.18        ( ~( ndr1_0 ) ) | ( ~( c2_1 @ U ) ) | ( ~( c1_1 @ U ) ) ))).
% 11.39/2.18  thf(zf_stmt_54, negated_conjecture,
% 11.39/2.18    (( c2_1 @ W ) | ( c1_1 @ W ) | ( c0_1 @ W ) | ( c3_1 @ V ) | 
% 11.39/2.18     ( c3_1 @ U ) | ( ~( c2_1 @ V ) ) | ( ~( c0_1 @ V ) ) | ( ~( ndr1_0 ) ) | 
% 11.39/2.18     ( ~( c2_1 @ U ) ) | ( ~( c1_1 @ U ) )),
% 11.39/2.18    inference('cnf.neg', [status(esa)], [clause182])).
% 11.39/2.18  thf(zip_derived_cl181, plain,
% 11.39/2.18      (![X0 : $i, X1 : $i, X2 : $i]:
% 11.39/2.18         ( (c2_1 @ X0)
% 11.39/2.18          |  (c1_1 @ X0)
% 11.39/2.18          |  (c0_1 @ X0)
% 11.39/2.18          |  (c3_1 @ X1)
% 11.39/2.18          |  (c3_1 @ X2)
% 11.39/2.18          | ~ (c2_1 @ X1)
% 11.39/2.18          | ~ (c0_1 @ X1)
% 11.39/2.18          | ~ (ndr1_0)
% 11.39/2.18          | ~ (c2_1 @ X2)
% 11.39/2.18          | ~ (c1_1 @ X2))),
% 11.39/2.18      inference('cnf', [status(esa)], [zf_stmt_54])).
% 11.39/2.18  thf('53', plain,
% 11.39/2.18      ((![X0 : $i]: ( (c2_1 @ X0) |  (c1_1 @ X0) |  (c0_1 @ X0))) | 
% 11.39/2.18       (![X0 : $i]: (~ (c2_1 @ X0) | ~ (c1_1 @ X0) |  (c3_1 @ X0))) | 
% 11.39/2.18       ~ ( (ndr1_0)) | 
% 11.39/2.18       (![X0 : $i]: (~ (c2_1 @ X0) | ~ (c0_1 @ X0) |  (c3_1 @ X0)))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl181])).
% 11.39/2.18  thf(clause156, conjecture,
% 11.39/2.18    (~( ( hskp8 ) | ( hskp20 ) | ( c3_1 @ U ) | ( ~( ndr1_0 ) ) | 
% 11.39/2.18        ( ~( c2_1 @ U ) ) | ( ~( c1_1 @ U ) ) ))).
% 11.39/2.18  thf(zf_stmt_55, negated_conjecture,
% 11.39/2.18    (( hskp8 ) | ( hskp20 ) | ( c3_1 @ U ) | ( ~( ndr1_0 ) ) | 
% 11.39/2.18     ( ~( c2_1 @ U ) ) | ( ~( c1_1 @ U ) )),
% 11.39/2.18    inference('cnf.neg', [status(esa)], [clause156])).
% 11.39/2.18  thf(zip_derived_cl155, plain,
% 11.39/2.18      (![X0 : $i]:
% 11.39/2.18         ( (hskp8)
% 11.39/2.18          |  (hskp20)
% 11.39/2.18          |  (c3_1 @ X0)
% 11.39/2.18          | ~ (ndr1_0)
% 11.39/2.18          | ~ (c2_1 @ X0)
% 11.39/2.18          | ~ (c1_1 @ X0))),
% 11.39/2.18      inference('cnf', [status(esa)], [zf_stmt_55])).
% 11.39/2.18  thf(zip_derived_cl552, plain,
% 11.39/2.18      ((![X0 : $i]: (~ (c2_1 @ X0) | ~ (c1_1 @ X0) |  (c3_1 @ X0)))
% 11.39/2.18         <= ((![X0 : $i]: (~ (c2_1 @ X0) | ~ (c1_1 @ X0) |  (c3_1 @ X0))))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl155])).
% 11.39/2.18  thf(zip_derived_cl303, plain, (( (c1_1 @ a926)) <= (( (c1_1 @ a926)))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl58])).
% 11.39/2.18  thf(zip_derived_cl1141, plain,
% 11.39/2.18      ((( (c3_1 @ a926) | ~ (c2_1 @ a926)))
% 11.39/2.18         <= (( (c1_1 @ a926)) & 
% 11.39/2.18             (![X0 : $i]: (~ (c2_1 @ X0) | ~ (c1_1 @ X0) |  (c3_1 @ X0))))),
% 11.39/2.18      inference('s_sup+', [status(thm)], [zip_derived_cl552, zip_derived_cl303])).
% 11.39/2.18  thf('54', plain,
% 11.39/2.18      (( (c3_1 @ a926)) | ~ ( (c1_1 @ a926)) | 
% 11.39/2.18       ~ (![X0 : $i]: (~ (c2_1 @ X0) | ~ (c1_1 @ X0) |  (c3_1 @ X0))) | 
% 11.39/2.18       ~ ( (c2_1 @ a926))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl1141])).
% 11.39/2.18  thf(clause76, conjecture, (~( ( c2_1 @ a906 ) | ( ~( hskp5 ) ) ))).
% 11.39/2.18  thf(zf_stmt_56, negated_conjecture, (( c2_1 @ a906 ) | ( ~( hskp5 ) )),
% 11.39/2.18    inference('cnf.neg', [status(esa)], [clause76])).
% 11.39/2.18  thf(zip_derived_cl75, plain, (( (c2_1 @ a906) | ~ (hskp5))),
% 11.39/2.18      inference('cnf', [status(esa)], [zf_stmt_56])).
% 11.39/2.18  thf('55', plain, (( (c2_1 @ a906)) | ~ ( (hskp5))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl75])).
% 11.39/2.18  thf(clause117, conjecture, (~( ( ~( hskp5 ) ) | ( ~( c3_1 @ a906 ) ) ))).
% 11.39/2.18  thf(zf_stmt_57, negated_conjecture, (( ~( hskp5 ) ) | ( ~( c3_1 @ a906 ) )),
% 11.39/2.18    inference('cnf.neg', [status(esa)], [clause117])).
% 11.39/2.18  thf(zip_derived_cl116, plain, ((~ (hskp5) | ~ (c3_1 @ a906))),
% 11.39/2.18      inference('cnf', [status(esa)], [zf_stmt_57])).
% 11.39/2.18  thf('56', plain, (~ ( (c3_1 @ a906)) | ~ ( (hskp5))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl116])).
% 11.39/2.18  thf(zip_derived_cl548, plain,
% 11.39/2.18      ((![X0 : $i]: (~ (c2_1 @ X0) | ~ (c0_1 @ X0) |  (c3_1 @ X0)))
% 11.39/2.18         <= ((![X0 : $i]: (~ (c2_1 @ X0) | ~ (c0_1 @ X0) |  (c3_1 @ X0))))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl154])).
% 11.39/2.18  thf(zip_derived_cl337, plain, (( (c2_1 @ a906)) <= (( (c2_1 @ a906)))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl75])).
% 11.39/2.18  thf(zip_derived_cl1117, plain,
% 11.39/2.18      ((( (c3_1 @ a906) | ~ (c0_1 @ a906)))
% 11.39/2.18         <= (( (c2_1 @ a906)) & 
% 11.39/2.18             (![X0 : $i]: (~ (c2_1 @ X0) | ~ (c0_1 @ X0) |  (c3_1 @ X0))))),
% 11.39/2.18      inference('s_sup+', [status(thm)], [zip_derived_cl548, zip_derived_cl337])).
% 11.39/2.18  thf('57', plain,
% 11.39/2.18      (~ (![X0 : $i]: (~ (c2_1 @ X0) | ~ (c0_1 @ X0) |  (c3_1 @ X0))) | 
% 11.39/2.18       ~ ( (c2_1 @ a906)) | ( (c3_1 @ a906)) | ~ ( (c0_1 @ a906))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl1117])).
% 11.39/2.18  thf(clause170, conjecture,
% 11.39/2.18    (~( ( hskp5 ) | ( c1_1 @ V ) | ( c0_1 @ V ) | ( ~( c3_1 @ V ) ) | 
% 11.39/2.18        ( ~( ndr1_0 ) ) | ( ~( c3_1 @ U ) ) | ( ~( c2_1 @ U ) ) | 
% 11.39/2.18        ( ~( c1_1 @ U ) ) ))).
% 11.39/2.18  thf(zf_stmt_58, negated_conjecture,
% 11.39/2.18    (( hskp5 ) | ( c1_1 @ V ) | ( c0_1 @ V ) | ( ~( c3_1 @ V ) ) | 
% 11.39/2.18     ( ~( ndr1_0 ) ) | ( ~( c3_1 @ U ) ) | ( ~( c2_1 @ U ) ) | 
% 11.39/2.18     ( ~( c1_1 @ U ) )),
% 11.39/2.18    inference('cnf.neg', [status(esa)], [clause170])).
% 11.39/2.18  thf(zip_derived_cl169, plain,
% 11.39/2.18      (![X0 : $i, X1 : $i]:
% 11.39/2.18         ( (hskp5)
% 11.39/2.18          |  (c1_1 @ X0)
% 11.39/2.18          |  (c0_1 @ X0)
% 11.39/2.18          | ~ (c3_1 @ X0)
% 11.39/2.18          | ~ (ndr1_0)
% 11.39/2.18          | ~ (c3_1 @ X1)
% 11.39/2.18          | ~ (c2_1 @ X1)
% 11.39/2.18          | ~ (c1_1 @ X1))),
% 11.39/2.18      inference('cnf', [status(esa)], [zf_stmt_58])).
% 11.39/2.18  thf('58', plain,
% 11.39/2.18      ((![X0 : $i]: ( (c1_1 @ X0) |  (c0_1 @ X0) | ~ (c3_1 @ X0))) | 
% 11.39/2.18       ( (hskp5)) | 
% 11.39/2.18       (![X0 : $i]: (~ (c2_1 @ X0) | ~ (c1_1 @ X0) | ~ (c3_1 @ X0))) | 
% 11.39/2.18       ~ ( (ndr1_0))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl169])).
% 11.39/2.18  thf(clause133, conjecture,
% 11.39/2.18    (~( ( hskp7 ) | ( hskp6 ) | ( c1_1 @ U ) | ( c0_1 @ U ) | 
% 11.39/2.18        ( ~( ndr1_0 ) ) | ( ~( c3_1 @ U ) ) ))).
% 11.39/2.18  thf(zf_stmt_59, negated_conjecture,
% 11.39/2.18    (( hskp7 ) | ( hskp6 ) | ( c1_1 @ U ) | ( c0_1 @ U ) | ( ~( ndr1_0 ) ) | 
% 11.39/2.18     ( ~( c3_1 @ U ) )),
% 11.39/2.18    inference('cnf.neg', [status(esa)], [clause133])).
% 11.39/2.18  thf(zip_derived_cl132, plain,
% 11.39/2.18      (![X0 : $i]:
% 11.39/2.18         ( (hskp7)
% 11.39/2.18          |  (hskp6)
% 11.39/2.18          |  (c1_1 @ X0)
% 11.39/2.18          |  (c0_1 @ X0)
% 11.39/2.18          | ~ (ndr1_0)
% 11.39/2.18          | ~ (c3_1 @ X0))),
% 11.39/2.18      inference('cnf', [status(esa)], [zf_stmt_59])).
% 11.39/2.18  thf(zip_derived_cl461, plain,
% 11.39/2.18      ((![X0 : $i]: ( (c1_1 @ X0) |  (c0_1 @ X0) | ~ (c3_1 @ X0)))
% 11.39/2.18         <= ((![X0 : $i]: ( (c1_1 @ X0) |  (c0_1 @ X0) | ~ (c3_1 @ X0))))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl132])).
% 11.39/2.18  thf(zip_derived_cl389, plain, ((~ (c1_1 @ a924)) <= (~ ( (c1_1 @ a924)))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl101])).
% 11.39/2.18  thf(zip_derived_cl1327, plain,
% 11.39/2.18      (((~ (c3_1 @ a924) |  (c0_1 @ a924)))
% 11.39/2.18         <= (~ ( (c1_1 @ a924)) & 
% 11.39/2.18             (![X0 : $i]: ( (c1_1 @ X0) |  (c0_1 @ X0) | ~ (c3_1 @ X0))))),
% 11.39/2.18      inference('s_sup-', [status(thm)], [zip_derived_cl461, zip_derived_cl389])).
% 11.39/2.18  thf('59', plain,
% 11.39/2.18      (~ ( (c3_1 @ a924)) | ( (c0_1 @ a924)) | 
% 11.39/2.18       ~ (![X0 : $i]: ( (c1_1 @ X0) |  (c0_1 @ X0) | ~ (c3_1 @ X0))) | 
% 11.39/2.18       ( (c1_1 @ a924))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl1327])).
% 11.39/2.18  thf(clause183, conjecture,
% 11.39/2.18    (~( ( c0_1 @ W ) | ( c3_1 @ V ) | ( c1_1 @ V ) | ( c2_1 @ U ) | 
% 11.39/2.18        ( ~( c2_1 @ W ) ) | ( ~( c1_1 @ W ) ) | ( ~( c2_1 @ V ) ) | 
% 11.39/2.18        ( ~( ndr1_0 ) ) | ( ~( c3_1 @ U ) ) | ( ~( c1_1 @ U ) ) ))).
% 11.39/2.18  thf(zf_stmt_60, negated_conjecture,
% 11.39/2.18    (( c0_1 @ W ) | ( c3_1 @ V ) | ( c1_1 @ V ) | ( c2_1 @ U ) | 
% 11.39/2.18     ( ~( c2_1 @ W ) ) | ( ~( c1_1 @ W ) ) | ( ~( c2_1 @ V ) ) | 
% 11.39/2.18     ( ~( ndr1_0 ) ) | ( ~( c3_1 @ U ) ) | ( ~( c1_1 @ U ) )),
% 11.39/2.18    inference('cnf.neg', [status(esa)], [clause183])).
% 11.39/2.18  thf(zip_derived_cl182, plain,
% 11.39/2.18      (![X0 : $i, X1 : $i, X2 : $i]:
% 11.39/2.18         ( (c0_1 @ X0)
% 11.39/2.18          |  (c3_1 @ X1)
% 11.39/2.18          |  (c1_1 @ X1)
% 11.39/2.18          |  (c2_1 @ X2)
% 11.39/2.18          | ~ (c2_1 @ X0)
% 11.39/2.18          | ~ (c1_1 @ X0)
% 11.39/2.18          | ~ (c2_1 @ X1)
% 11.39/2.18          | ~ (ndr1_0)
% 11.39/2.18          | ~ (c3_1 @ X2)
% 11.39/2.18          | ~ (c1_1 @ X2))),
% 11.39/2.18      inference('cnf', [status(esa)], [zf_stmt_60])).
% 11.39/2.18  thf(zip_derived_cl660, plain,
% 11.39/2.18      ((![X1 : $i]: (~ (c2_1 @ X1) |  (c1_1 @ X1) |  (c3_1 @ X1)))
% 11.39/2.18         <= ((![X1 : $i]: (~ (c2_1 @ X1) |  (c1_1 @ X1) |  (c3_1 @ X1))))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl182])).
% 11.39/2.18  thf(zip_derived_cl389, plain, ((~ (c1_1 @ a924)) <= (~ ( (c1_1 @ a924)))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl101])).
% 11.39/2.18  thf(zip_derived_cl1885, plain,
% 11.39/2.18      ((( (c3_1 @ a924) | ~ (c2_1 @ a924)))
% 11.39/2.18         <= (~ ( (c1_1 @ a924)) & 
% 11.39/2.18             (![X1 : $i]: (~ (c2_1 @ X1) |  (c1_1 @ X1) |  (c3_1 @ X1))))),
% 11.39/2.18      inference('s_sup-', [status(thm)], [zip_derived_cl660, zip_derived_cl389])).
% 11.39/2.18  thf('60', plain,
% 11.39/2.18      (~ (![X1 : $i]: (~ (c2_1 @ X1) |  (c1_1 @ X1) |  (c3_1 @ X1))) | 
% 11.39/2.18       ( (c3_1 @ a924)) | ( (c1_1 @ a924)) | ~ ( (c2_1 @ a924))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl1885])).
% 11.39/2.18  thf(zip_derived_cl457, plain,
% 11.39/2.18      ((![X0 : $i]: (~ (c2_1 @ X0) |  (c1_1 @ X0) |  (c0_1 @ X0)))
% 11.39/2.18         <= ((![X0 : $i]: (~ (c2_1 @ X0) |  (c1_1 @ X0) |  (c0_1 @ X0))))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl131])).
% 11.39/2.18  thf(zip_derived_cl389, plain, ((~ (c1_1 @ a924)) <= (~ ( (c1_1 @ a924)))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl101])).
% 11.39/2.18  thf(zip_derived_cl1274, plain,
% 11.39/2.18      ((( (c0_1 @ a924) | ~ (c2_1 @ a924)))
% 11.39/2.18         <= (~ ( (c1_1 @ a924)) & 
% 11.39/2.18             (![X0 : $i]: (~ (c2_1 @ X0) |  (c1_1 @ X0) |  (c0_1 @ X0))))),
% 11.39/2.18      inference('s_sup-', [status(thm)], [zip_derived_cl457, zip_derived_cl389])).
% 11.39/2.18  thf('61', plain,
% 11.39/2.18      (~ (![X0 : $i]: (~ (c2_1 @ X0) |  (c1_1 @ X0) |  (c0_1 @ X0))) | 
% 11.39/2.18       ( (c0_1 @ a924)) | ( (c1_1 @ a924)) | ~ ( (c2_1 @ a924))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl1274])).
% 11.39/2.18  thf('62', plain, (~ ( (c1_1 @ a924)) | ~ ( (hskp15))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl101])).
% 11.39/2.18  thf(clause177, conjecture,
% 11.39/2.18    (~( ( hskp15 ) | ( c0_1 @ V ) | ( ~( c3_1 @ V ) ) | ( ~( c2_1 @ V ) ) | 
% 11.39/2.18        ( ~( ndr1_0 ) ) | ( ~( c3_1 @ U ) ) | ( ~( c2_1 @ U ) ) | 
% 11.39/2.18        ( ~( c1_1 @ U ) ) ))).
% 11.39/2.18  thf(zf_stmt_61, negated_conjecture,
% 11.39/2.18    (( hskp15 ) | ( c0_1 @ V ) | ( ~( c3_1 @ V ) ) | ( ~( c2_1 @ V ) ) | 
% 11.39/2.18     ( ~( ndr1_0 ) ) | ( ~( c3_1 @ U ) ) | ( ~( c2_1 @ U ) ) | 
% 11.39/2.18     ( ~( c1_1 @ U ) )),
% 11.39/2.18    inference('cnf.neg', [status(esa)], [clause177])).
% 11.39/2.18  thf(zip_derived_cl176, plain,
% 11.39/2.18      (![X0 : $i, X1 : $i]:
% 11.39/2.18         ( (hskp15)
% 11.39/2.18          |  (c0_1 @ X0)
% 11.39/2.18          | ~ (c3_1 @ X0)
% 11.39/2.18          | ~ (c2_1 @ X0)
% 11.39/2.18          | ~ (ndr1_0)
% 11.39/2.18          | ~ (c3_1 @ X1)
% 11.39/2.18          | ~ (c2_1 @ X1)
% 11.39/2.18          | ~ (c1_1 @ X1))),
% 11.39/2.18      inference('cnf', [status(esa)], [zf_stmt_61])).
% 11.39/2.18  thf('63', plain,
% 11.39/2.18      ((![X0 : $i]: (~ (c2_1 @ X0) |  (c0_1 @ X0) | ~ (c3_1 @ X0))) | 
% 11.39/2.18       ( (hskp15)) | 
% 11.39/2.18       (![X0 : $i]: (~ (c2_1 @ X0) | ~ (c1_1 @ X0) | ~ (c3_1 @ X0))) | 
% 11.39/2.18       ~ ( (ndr1_0))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl176])).
% 11.39/2.18  thf(zip_derived_cl568, plain,
% 11.39/2.18      ((![X1 : $i]: (~ (c1_1 @ X1) |  (c0_1 @ X1) | ~ (c3_1 @ X1)))
% 11.39/2.18         <= ((![X1 : $i]: (~ (c1_1 @ X1) |  (c0_1 @ X1) | ~ (c3_1 @ X1))))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl159])).
% 11.39/2.18  thf(clause44, conjecture, (~( ( c1_1 @ a900 ) | ( ~( hskp27 ) ) ))).
% 11.39/2.18  thf(zf_stmt_62, negated_conjecture, (( c1_1 @ a900 ) | ( ~( hskp27 ) )),
% 11.39/2.18    inference('cnf.neg', [status(esa)], [clause44])).
% 11.39/2.18  thf(zip_derived_cl43, plain, (( (c1_1 @ a900) | ~ (hskp27))),
% 11.39/2.18      inference('cnf', [status(esa)], [zf_stmt_62])).
% 11.39/2.18  thf(zip_derived_cl273, plain, (( (c1_1 @ a900)) <= (( (c1_1 @ a900)))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl43])).
% 11.39/2.18  thf(zip_derived_cl1163, plain,
% 11.39/2.18      (((~ (c3_1 @ a900) |  (c0_1 @ a900)))
% 11.39/2.18         <= (( (c1_1 @ a900)) & 
% 11.39/2.18             (![X1 : $i]: (~ (c1_1 @ X1) |  (c0_1 @ X1) | ~ (c3_1 @ X1))))),
% 11.39/2.18      inference('s_sup+', [status(thm)], [zip_derived_cl568, zip_derived_cl273])).
% 11.39/2.18  thf('64', plain,
% 11.39/2.18      (( (c0_1 @ a900)) | 
% 11.39/2.18       ~ (![X1 : $i]: (~ (c1_1 @ X1) |  (c0_1 @ X1) | ~ (c3_1 @ X1))) | 
% 11.39/2.18       ~ ( (c3_1 @ a900)) | ~ ( (c1_1 @ a900))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl1163])).
% 11.39/2.18  thf(zip_derived_cl477, plain,
% 11.39/2.18      ((![X0 : $i]: ( (c2_1 @ X0) |  (c1_1 @ X0) | ~ (c0_1 @ X0)))
% 11.39/2.18         <= ((![X0 : $i]: ( (c2_1 @ X0) |  (c1_1 @ X0) | ~ (c0_1 @ X0))))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl136])).
% 11.39/2.18  thf(zip_derived_cl379, plain, ((~ (c1_1 @ a936)) <= (~ ( (c1_1 @ a936)))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl96])).
% 11.39/2.18  thf(zip_derived_cl1639, plain,
% 11.39/2.18      (((~ (c0_1 @ a936) |  (c2_1 @ a936)))
% 11.39/2.18         <= (~ ( (c1_1 @ a936)) & 
% 11.39/2.18             (![X0 : $i]: ( (c2_1 @ X0) |  (c1_1 @ X0) | ~ (c0_1 @ X0))))),
% 11.39/2.18      inference('s_sup-', [status(thm)], [zip_derived_cl477, zip_derived_cl379])).
% 11.39/2.18  thf('65', plain,
% 11.39/2.18      (( (c1_1 @ a936)) | ~ ( (c0_1 @ a936)) | 
% 11.39/2.18       ~ (![X0 : $i]: ( (c2_1 @ X0) |  (c1_1 @ X0) | ~ (c0_1 @ X0))) | 
% 11.39/2.18       ( (c2_1 @ a936))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl1639])).
% 11.39/2.18  thf(clause145, conjecture,
% 11.39/2.18    (~( ( hskp13 ) | ( hskp3 ) | ( c0_1 @ U ) | ( ~( ndr1_0 ) ) | 
% 11.39/2.18        ( ~( c2_1 @ U ) ) | ( ~( c1_1 @ U ) ) ))).
% 11.39/2.18  thf(zf_stmt_63, negated_conjecture,
% 11.39/2.18    (( hskp13 ) | ( hskp3 ) | ( c0_1 @ U ) | ( ~( ndr1_0 ) ) | 
% 11.39/2.18     ( ~( c2_1 @ U ) ) | ( ~( c1_1 @ U ) )),
% 11.39/2.18    inference('cnf.neg', [status(esa)], [clause145])).
% 11.39/2.18  thf(zip_derived_cl144, plain,
% 11.39/2.18      (![X0 : $i]:
% 11.39/2.18         ( (hskp13)
% 11.39/2.18          |  (hskp3)
% 11.39/2.18          |  (c0_1 @ X0)
% 11.39/2.18          | ~ (ndr1_0)
% 11.39/2.18          | ~ (c2_1 @ X0)
% 11.39/2.18          | ~ (c1_1 @ X0))),
% 11.39/2.18      inference('cnf', [status(esa)], [zf_stmt_63])).
% 11.39/2.18  thf(zip_derived_cl508, plain,
% 11.39/2.18      ((![X0 : $i]: (~ (c2_1 @ X0) | ~ (c1_1 @ X0) |  (c0_1 @ X0)))
% 11.39/2.18         <= ((![X0 : $i]: (~ (c2_1 @ X0) | ~ (c1_1 @ X0) |  (c0_1 @ X0))))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl144])).
% 11.39/2.18  thf(zip_derived_cl273, plain, (( (c1_1 @ a900)) <= (( (c1_1 @ a900)))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl43])).
% 11.39/2.18  thf(zip_derived_cl902, plain,
% 11.39/2.18      ((( (c0_1 @ a900) | ~ (c2_1 @ a900)))
% 11.39/2.18         <= (( (c1_1 @ a900)) & 
% 11.39/2.18             (![X0 : $i]: (~ (c2_1 @ X0) | ~ (c1_1 @ X0) |  (c0_1 @ X0))))),
% 11.39/2.18      inference('s_sup+', [status(thm)], [zip_derived_cl508, zip_derived_cl273])).
% 11.39/2.18  thf('66', plain,
% 11.39/2.18      (( (c0_1 @ a900)) | ~ ( (c1_1 @ a900)) | 
% 11.39/2.18       ~ (![X0 : $i]: (~ (c2_1 @ X0) | ~ (c1_1 @ X0) |  (c0_1 @ X0))) | 
% 11.39/2.18       ~ ( (c2_1 @ a900))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl902])).
% 11.39/2.18  thf(clause154, conjecture,
% 11.39/2.18    (~( ( hskp13 ) | ( hskp27 ) | ( c3_1 @ U ) | ( ~( ndr1_0 ) ) | 
% 11.39/2.18        ( ~( c1_1 @ U ) ) | ( ~( c0_1 @ U ) ) ))).
% 11.39/2.18  thf(zf_stmt_64, negated_conjecture,
% 11.39/2.18    (( hskp13 ) | ( hskp27 ) | ( c3_1 @ U ) | ( ~( ndr1_0 ) ) | 
% 11.39/2.18     ( ~( c1_1 @ U ) ) | ( ~( c0_1 @ U ) )),
% 11.39/2.18    inference('cnf.neg', [status(esa)], [clause154])).
% 11.39/2.18  thf(zip_derived_cl153, plain,
% 11.39/2.18      (![X0 : $i]:
% 11.39/2.18         ( (hskp13)
% 11.39/2.18          |  (hskp27)
% 11.39/2.18          |  (c3_1 @ X0)
% 11.39/2.18          | ~ (ndr1_0)
% 11.39/2.18          | ~ (c1_1 @ X0)
% 11.39/2.18          | ~ (c0_1 @ X0))),
% 11.39/2.18      inference('cnf', [status(esa)], [zf_stmt_64])).
% 11.39/2.18  thf(zip_derived_cl544, plain,
% 11.39/2.18      ((![X0 : $i]: (~ (c1_1 @ X0) | ~ (c0_1 @ X0) |  (c3_1 @ X0)))
% 11.39/2.18         <= ((![X0 : $i]: (~ (c1_1 @ X0) | ~ (c0_1 @ X0) |  (c3_1 @ X0))))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl153])).
% 11.39/2.18  thf(zip_derived_cl303, plain, (( (c1_1 @ a926)) <= (( (c1_1 @ a926)))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl58])).
% 11.39/2.18  thf(zip_derived_cl1087, plain,
% 11.39/2.18      ((( (c3_1 @ a926) | ~ (c0_1 @ a926)))
% 11.39/2.18         <= (( (c1_1 @ a926)) & 
% 11.39/2.18             (![X0 : $i]: (~ (c1_1 @ X0) | ~ (c0_1 @ X0) |  (c3_1 @ X0))))),
% 11.39/2.18      inference('s_sup+', [status(thm)], [zip_derived_cl544, zip_derived_cl303])).
% 11.39/2.18  thf('67', plain,
% 11.39/2.18      (( (c3_1 @ a926)) | ~ ( (c1_1 @ a926)) | 
% 11.39/2.18       ~ (![X0 : $i]: (~ (c1_1 @ X0) | ~ (c0_1 @ X0) |  (c3_1 @ X0))) | 
% 11.39/2.18       ~ ( (c0_1 @ a926))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl1087])).
% 11.39/2.18  thf(zip_derived_cl469, plain,
% 11.39/2.18      ((![X0 : $i]: (~ (c2_1 @ X0) |  (c0_1 @ X0) |  (c3_1 @ X0)))
% 11.39/2.18         <= ((![X0 : $i]: (~ (c2_1 @ X0) |  (c0_1 @ X0) |  (c3_1 @ X0))))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl134])).
% 11.39/2.18  thf(zip_derived_cl305, plain, (( (c2_1 @ a926)) <= (( (c2_1 @ a926)))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl59])).
% 11.39/2.18  thf(zip_derived_cl1534, plain,
% 11.39/2.18      ((( (c3_1 @ a926) |  (c0_1 @ a926)))
% 11.39/2.18         <= (( (c2_1 @ a926)) & 
% 11.39/2.18             (![X0 : $i]: (~ (c2_1 @ X0) |  (c0_1 @ X0) |  (c3_1 @ X0))))),
% 11.39/2.18      inference('s_sup+', [status(thm)], [zip_derived_cl469, zip_derived_cl305])).
% 11.39/2.18  thf('68', plain,
% 11.39/2.18      (( (c0_1 @ a926)) | 
% 11.39/2.18       ~ (![X0 : $i]: (~ (c2_1 @ X0) |  (c0_1 @ X0) |  (c3_1 @ X0))) | 
% 11.39/2.18       ~ ( (c2_1 @ a926)) | ( (c3_1 @ a926))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl1534])).
% 11.39/2.18  thf('69', plain, (( (c1_1 @ a926)) | ~ ( (hskp16))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl58])).
% 11.39/2.18  thf('70', plain, (( (c2_1 @ a926)) | ~ ( (hskp16))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl59])).
% 11.39/2.18  thf(clause100, conjecture, (~( ( ~( hskp16 ) ) | ( ~( c3_1 @ a926 ) ) ))).
% 11.39/2.18  thf(zf_stmt_65, negated_conjecture, (( ~( hskp16 ) ) | ( ~( c3_1 @ a926 ) )),
% 11.39/2.18    inference('cnf.neg', [status(esa)], [clause100])).
% 11.39/2.18  thf(zip_derived_cl99, plain, ((~ (hskp16) | ~ (c3_1 @ a926))),
% 11.39/2.18      inference('cnf', [status(esa)], [zf_stmt_65])).
% 11.39/2.18  thf('71', plain, (~ ( (hskp16)) | ~ ( (c3_1 @ a926))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl99])).
% 11.39/2.18  thf('72', plain,
% 11.39/2.18      (( (hskp28)) | ( (hskp16)) | 
% 11.39/2.18       (![X0 : $i]: (~ (c2_1 @ X0) |  (c0_1 @ X0) | ~ (c3_1 @ X0))) | 
% 11.39/2.18       ~ ( (ndr1_0))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl146])).
% 11.39/2.18  thf(clause141, conjecture,
% 11.39/2.18    (~( ( hskp28 ) | ( c1_1 @ U ) | ( ~( ndr1_0 ) ) | ( ~( c3_1 @ U ) ) | 
% 11.39/2.18        ( ~( c0_1 @ U ) ) ))).
% 11.39/2.18  thf(zf_stmt_66, negated_conjecture,
% 11.39/2.18    (( hskp28 ) | ( c1_1 @ U ) | ( ~( ndr1_0 ) ) | ( ~( c3_1 @ U ) ) | 
% 11.39/2.18     ( ~( c0_1 @ U ) )),
% 11.39/2.18    inference('cnf.neg', [status(esa)], [clause141])).
% 11.39/2.18  thf(zip_derived_cl140, plain,
% 11.39/2.18      (![X0 : $i]:
% 11.39/2.18         ( (hskp28) |  (c1_1 @ X0) | ~ (ndr1_0) | ~ (c3_1 @ X0) | ~ (c0_1 @ X0))),
% 11.39/2.18      inference('cnf', [status(esa)], [zf_stmt_66])).
% 11.39/2.18  thf(zip_derived_cl493, plain,
% 11.39/2.18      ((![X0 : $i]: ( (c1_1 @ X0) | ~ (c0_1 @ X0) | ~ (c3_1 @ X0)))
% 11.39/2.18         <= ((![X0 : $i]: ( (c1_1 @ X0) | ~ (c0_1 @ X0) | ~ (c3_1 @ X0))))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl140])).
% 11.39/2.18  thf(clause120, conjecture, (~( ( ~( hskp3 ) ) | ( ~( c1_1 @ a904 ) ) ))).
% 11.39/2.18  thf(zf_stmt_67, negated_conjecture, (( ~( hskp3 ) ) | ( ~( c1_1 @ a904 ) )),
% 11.39/2.18    inference('cnf.neg', [status(esa)], [clause120])).
% 11.39/2.18  thf(zip_derived_cl119, plain, ((~ (hskp3) | ~ (c1_1 @ a904))),
% 11.39/2.18      inference('cnf', [status(esa)], [zf_stmt_67])).
% 11.39/2.18  thf(zip_derived_cl425, plain, ((~ (c1_1 @ a904)) <= (~ ( (c1_1 @ a904)))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl119])).
% 11.39/2.18  thf(zip_derived_cl1369, plain,
% 11.39/2.18      (((~ (c3_1 @ a904) | ~ (c0_1 @ a904)))
% 11.39/2.18         <= (~ ( (c1_1 @ a904)) & 
% 11.39/2.18             (![X0 : $i]: ( (c1_1 @ X0) | ~ (c0_1 @ X0) | ~ (c3_1 @ X0))))),
% 11.39/2.18      inference('s_sup-', [status(thm)], [zip_derived_cl493, zip_derived_cl425])).
% 11.39/2.18  thf('73', plain,
% 11.39/2.18      (( (c1_1 @ a904)) | ~ ( (c3_1 @ a904)) | 
% 11.39/2.18       ~ (![X0 : $i]: ( (c1_1 @ X0) | ~ (c0_1 @ X0) | ~ (c3_1 @ X0))) | 
% 11.39/2.18       ~ ( (c0_1 @ a904))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl1369])).
% 11.39/2.18  thf(clause136, conjecture,
% 11.39/2.18    (~( ( hskp0 ) | ( hskp2 ) | ( c3_1 @ U ) | ( c0_1 @ U ) | 
% 11.39/2.18        ( ~( ndr1_0 ) ) | ( ~( c2_1 @ U ) ) ))).
% 11.39/2.18  thf(zf_stmt_68, negated_conjecture,
% 11.39/2.18    (( hskp0 ) | ( hskp2 ) | ( c3_1 @ U ) | ( c0_1 @ U ) | ( ~( ndr1_0 ) ) | 
% 11.39/2.18     ( ~( c2_1 @ U ) )),
% 11.39/2.18    inference('cnf.neg', [status(esa)], [clause136])).
% 11.39/2.18  thf(zip_derived_cl135, plain,
% 11.39/2.18      (![X0 : $i]:
% 11.39/2.18         ( (hskp0)
% 11.39/2.18          |  (hskp2)
% 11.39/2.18          |  (c3_1 @ X0)
% 11.39/2.18          |  (c0_1 @ X0)
% 11.39/2.18          | ~ (ndr1_0)
% 11.39/2.18          | ~ (c2_1 @ X0))),
% 11.39/2.18      inference('cnf', [status(esa)], [zf_stmt_68])).
% 11.39/2.18  thf('74', plain,
% 11.39/2.18      (( (hskp0)) | 
% 11.39/2.18       (![X0 : $i]: (~ (c2_1 @ X0) |  (c0_1 @ X0) |  (c3_1 @ X0))) | 
% 11.39/2.18       ~ ( (ndr1_0)) | ( (hskp2))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl135])).
% 11.39/2.18  thf(zip_derived_cl660, plain,
% 11.39/2.18      ((![X1 : $i]: (~ (c2_1 @ X1) |  (c1_1 @ X1) |  (c3_1 @ X1)))
% 11.39/2.18         <= ((![X1 : $i]: (~ (c2_1 @ X1) |  (c1_1 @ X1) |  (c3_1 @ X1))))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl182])).
% 11.39/2.18  thf(clause126, conjecture, (~( ( ~( hskp0 ) ) | ( ~( c1_1 @ a901 ) ) ))).
% 11.39/2.18  thf(zf_stmt_69, negated_conjecture, (( ~( hskp0 ) ) | ( ~( c1_1 @ a901 ) )),
% 11.39/2.18    inference('cnf.neg', [status(esa)], [clause126])).
% 11.39/2.18  thf(zip_derived_cl125, plain, ((~ (hskp0) | ~ (c1_1 @ a901))),
% 11.39/2.18      inference('cnf', [status(esa)], [zf_stmt_69])).
% 11.39/2.18  thf(zip_derived_cl437, plain, ((~ (c1_1 @ a901)) <= (~ ( (c1_1 @ a901)))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl125])).
% 11.39/2.18  thf(zip_derived_cl1892, plain,
% 11.39/2.18      ((( (c3_1 @ a901) | ~ (c2_1 @ a901)))
% 11.39/2.18         <= (~ ( (c1_1 @ a901)) & 
% 11.39/2.18             (![X1 : $i]: (~ (c2_1 @ X1) |  (c1_1 @ X1) |  (c3_1 @ X1))))),
% 11.39/2.18      inference('s_sup-', [status(thm)], [zip_derived_cl660, zip_derived_cl437])).
% 11.39/2.18  thf('75', plain,
% 11.39/2.18      (~ (![X1 : $i]: (~ (c2_1 @ X1) |  (c1_1 @ X1) |  (c3_1 @ X1))) | 
% 11.39/2.18       ~ ( (c2_1 @ a901)) | ( (c3_1 @ a901)) | ( (c1_1 @ a901))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl1892])).
% 11.39/2.18  thf(clause125, conjecture, (~( ( ~( hskp0 ) ) | ( ~( c0_1 @ a901 ) ) ))).
% 11.39/2.18  thf(zf_stmt_70, negated_conjecture, (( ~( hskp0 ) ) | ( ~( c0_1 @ a901 ) )),
% 11.39/2.18    inference('cnf.neg', [status(esa)], [clause125])).
% 11.39/2.18  thf(zip_derived_cl124, plain, ((~ (hskp0) | ~ (c0_1 @ a901))),
% 11.39/2.18      inference('cnf', [status(esa)], [zf_stmt_70])).
% 11.39/2.18  thf('76', plain, (~ ( (c0_1 @ a901)) | ~ ( (hskp0))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl124])).
% 11.39/2.18  thf('77', plain, (~ ( (c1_1 @ a901)) | ~ ( (hskp0))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl125])).
% 11.39/2.18  thf(clause127, conjecture, (~( ( ~( hskp0 ) ) | ( ~( c3_1 @ a901 ) ) ))).
% 11.39/2.18  thf(zf_stmt_71, negated_conjecture, (( ~( hskp0 ) ) | ( ~( c3_1 @ a901 ) )),
% 11.39/2.18    inference('cnf.neg', [status(esa)], [clause127])).
% 11.39/2.18  thf(zip_derived_cl126, plain, ((~ (hskp0) | ~ (c3_1 @ a901))),
% 11.39/2.18      inference('cnf', [status(esa)], [zf_stmt_71])).
% 11.39/2.18  thf('78', plain, (~ ( (c3_1 @ a901)) | ~ ( (hskp0))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl126])).
% 11.39/2.18  thf(zip_derived_cl441, plain,
% 11.39/2.18      ((![X0 : $i]: ( (c2_1 @ X0) |  (c1_1 @ X0) |  (c0_1 @ X0)))
% 11.39/2.18         <= ((![X0 : $i]: ( (c2_1 @ X0) |  (c1_1 @ X0) |  (c0_1 @ X0))))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl127])).
% 11.39/2.18  thf(zip_derived_cl437, plain, ((~ (c1_1 @ a901)) <= (~ ( (c1_1 @ a901)))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl125])).
% 11.39/2.18  thf(zip_derived_cl971, plain,
% 11.39/2.18      ((( (c0_1 @ a901) |  (c2_1 @ a901)))
% 11.39/2.18         <= (~ ( (c1_1 @ a901)) & 
% 11.39/2.18             (![X0 : $i]: ( (c2_1 @ X0) |  (c1_1 @ X0) |  (c0_1 @ X0))))),
% 11.39/2.18      inference('s_sup-', [status(thm)], [zip_derived_cl441, zip_derived_cl437])).
% 11.39/2.18  thf('79', plain,
% 11.39/2.18      (( (c2_1 @ a901)) | 
% 11.39/2.18       ~ (![X0 : $i]: ( (c2_1 @ X0) |  (c1_1 @ X0) |  (c0_1 @ X0))) | 
% 11.39/2.18       ( (c1_1 @ a901)) | ( (c0_1 @ a901))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl971])).
% 11.39/2.18  thf(clause130, conjecture,
% 11.39/2.18    (~( ( hskp27 ) | ( hskp11 ) | ( c3_1 @ U ) | ( c2_1 @ U ) | ( c1_1 @ U ) | 
% 11.39/2.18        ( ~( ndr1_0 ) ) ))).
% 11.39/2.18  thf(zf_stmt_72, negated_conjecture,
% 11.39/2.18    (( hskp27 ) | ( hskp11 ) | ( c3_1 @ U ) | ( c2_1 @ U ) | ( c1_1 @ U ) | 
% 11.39/2.18     ( ~( ndr1_0 ) )),
% 11.39/2.18    inference('cnf.neg', [status(esa)], [clause130])).
% 11.39/2.18  thf(zip_derived_cl129, plain,
% 11.39/2.18      (![X0 : $i]:
% 11.39/2.18         ( (hskp27)
% 11.39/2.18          |  (hskp11)
% 11.39/2.18          |  (c3_1 @ X0)
% 11.39/2.18          |  (c2_1 @ X0)
% 11.39/2.18          |  (c1_1 @ X0)
% 11.39/2.18          | ~ (ndr1_0))),
% 11.39/2.18      inference('cnf', [status(esa)], [zf_stmt_72])).
% 11.39/2.18  thf(zip_derived_cl449, plain,
% 11.39/2.18      ((![X0 : $i]: ( (c2_1 @ X0) |  (c1_1 @ X0) |  (c3_1 @ X0)))
% 11.39/2.18         <= ((![X0 : $i]: ( (c2_1 @ X0) |  (c1_1 @ X0) |  (c3_1 @ X0))))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl129])).
% 11.39/2.18  thf(zip_derived_cl425, plain, ((~ (c1_1 @ a904)) <= (~ ( (c1_1 @ a904)))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl119])).
% 11.39/2.18  thf(zip_derived_cl1214, plain,
% 11.39/2.18      ((( (c3_1 @ a904) |  (c2_1 @ a904)))
% 11.39/2.18         <= (~ ( (c1_1 @ a904)) & 
% 11.39/2.18             (![X0 : $i]: ( (c2_1 @ X0) |  (c1_1 @ X0) |  (c3_1 @ X0))))),
% 11.39/2.18      inference('s_sup-', [status(thm)], [zip_derived_cl449, zip_derived_cl425])).
% 11.39/2.18  thf('80', plain,
% 11.39/2.18      (( (c1_1 @ a904)) | ( (c2_1 @ a904)) | 
% 11.39/2.18       ~ (![X0 : $i]: ( (c2_1 @ X0) |  (c1_1 @ X0) |  (c3_1 @ X0))) | 
% 11.39/2.18       ( (c3_1 @ a904))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl1214])).
% 11.39/2.18  thf(zip_derived_cl524, plain,
% 11.39/2.18      ((![X0 : $i]: ( (c2_1 @ X0) | ~ (c1_1 @ X0) | ~ (c0_1 @ X0)))
% 11.39/2.18         <= ((![X0 : $i]: ( (c2_1 @ X0) | ~ (c1_1 @ X0) | ~ (c0_1 @ X0))))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl148])).
% 11.39/2.18  thf(clause42, conjecture, (~( ( c1_1 @ a916 ) | ( ~( hskp28 ) ) ))).
% 11.39/2.18  thf(zf_stmt_73, negated_conjecture, (( c1_1 @ a916 ) | ( ~( hskp28 ) )),
% 11.39/2.18    inference('cnf.neg', [status(esa)], [clause42])).
% 11.39/2.18  thf(zip_derived_cl41, plain, (( (c1_1 @ a916) | ~ (hskp28))),
% 11.39/2.18      inference('cnf', [status(esa)], [zf_stmt_73])).
% 11.39/2.18  thf(zip_derived_cl269, plain, (( (c1_1 @ a916)) <= (( (c1_1 @ a916)))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl41])).
% 11.39/2.18  thf(zip_derived_cl981, plain,
% 11.39/2.18      (((~ (c0_1 @ a916) |  (c2_1 @ a916)))
% 11.39/2.18         <= (( (c1_1 @ a916)) & 
% 11.39/2.18             (![X0 : $i]: ( (c2_1 @ X0) | ~ (c1_1 @ X0) | ~ (c0_1 @ X0))))),
% 11.39/2.18      inference('s_sup+', [status(thm)], [zip_derived_cl524, zip_derived_cl269])).
% 11.39/2.18  thf(zip_derived_cl2969, plain, (( (c2_1 @ a916)) <= (( (c2_1 @ a916)))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl981])).
% 11.39/2.18  thf(zip_derived_cl556, plain,
% 11.39/2.18      ((![X0 : $i]: (~ (c2_1 @ X0) | ~ (c0_1 @ X0) | ~ (c3_1 @ X0)))
% 11.39/2.18         <= ((![X0 : $i]: (~ (c2_1 @ X0) | ~ (c0_1 @ X0) | ~ (c3_1 @ X0))))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl156])).
% 11.39/2.18  thf(zip_derived_cl2974, plain,
% 11.39/2.18      (((~ (c0_1 @ a916) | ~ (c3_1 @ a916)))
% 11.39/2.18         <= ((![X0 : $i]: (~ (c2_1 @ X0) | ~ (c0_1 @ X0) | ~ (c3_1 @ X0))) & 
% 11.39/2.18             ( (c2_1 @ a916)))),
% 11.39/2.18      inference('s_sup-', [status(thm)],
% 11.39/2.18                [zip_derived_cl2969, zip_derived_cl556])).
% 11.39/2.18  thf('81', plain,
% 11.39/2.18      (~ (![X0 : $i]: (~ (c2_1 @ X0) | ~ (c0_1 @ X0) | ~ (c3_1 @ X0))) | 
% 11.39/2.18       ~ ( (c2_1 @ a916)) | ~ ( (c0_1 @ a916)) | ~ ( (c3_1 @ a916))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl2974])).
% 11.39/2.18  thf(zip_derived_cl516, plain,
% 11.39/2.18      ((![X0 : $i]: (~ (c2_1 @ X0) |  (c0_1 @ X0) | ~ (c3_1 @ X0)))
% 11.39/2.18         <= ((![X0 : $i]: (~ (c2_1 @ X0) |  (c0_1 @ X0) | ~ (c3_1 @ X0))))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl146])).
% 11.39/2.18  thf(clause45, conjecture, (~( ( c2_1 @ a900 ) | ( ~( hskp27 ) ) ))).
% 11.39/2.18  thf(zf_stmt_74, negated_conjecture, (( c2_1 @ a900 ) | ( ~( hskp27 ) )),
% 11.39/2.18    inference('cnf.neg', [status(esa)], [clause45])).
% 11.39/2.18  thf(zip_derived_cl44, plain, (( (c2_1 @ a900) | ~ (hskp27))),
% 11.39/2.18      inference('cnf', [status(esa)], [zf_stmt_74])).
% 11.39/2.18  thf(zip_derived_cl275, plain, (( (c2_1 @ a900)) <= (( (c2_1 @ a900)))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl44])).
% 11.39/2.18  thf(zip_derived_cl926, plain,
% 11.39/2.18      (((~ (c3_1 @ a900) |  (c0_1 @ a900)))
% 11.39/2.18         <= (( (c2_1 @ a900)) & 
% 11.39/2.18             (![X0 : $i]: (~ (c2_1 @ X0) |  (c0_1 @ X0) | ~ (c3_1 @ X0))))),
% 11.39/2.18      inference('s_sup+', [status(thm)], [zip_derived_cl516, zip_derived_cl275])).
% 11.39/2.18  thf('82', plain,
% 11.39/2.18      (( (c0_1 @ a900)) | ~ ( (c2_1 @ a900)) | 
% 11.39/2.18       ~ (![X0 : $i]: (~ (c2_1 @ X0) |  (c0_1 @ X0) | ~ (c3_1 @ X0))) | 
% 11.39/2.18       ~ ( (c3_1 @ a900))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl926])).
% 11.39/2.18  thf(zip_derived_cl275, plain, (( (c2_1 @ a900)) <= (( (c2_1 @ a900)))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl44])).
% 11.39/2.18  thf(zip_derived_cl556, plain,
% 11.39/2.18      ((![X0 : $i]: (~ (c2_1 @ X0) | ~ (c0_1 @ X0) | ~ (c3_1 @ X0)))
% 11.39/2.18         <= ((![X0 : $i]: (~ (c2_1 @ X0) | ~ (c0_1 @ X0) | ~ (c3_1 @ X0))))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl156])).
% 11.39/2.18  thf(zip_derived_cl735, plain,
% 11.39/2.18      (((~ (c0_1 @ a900) | ~ (c3_1 @ a900)))
% 11.39/2.18         <= (( (c2_1 @ a900)) & 
% 11.39/2.18             (![X0 : $i]: (~ (c2_1 @ X0) | ~ (c0_1 @ X0) | ~ (c3_1 @ X0))))),
% 11.39/2.18      inference('s_sup-', [status(thm)], [zip_derived_cl275, zip_derived_cl556])).
% 11.39/2.18  thf('83', plain,
% 11.39/2.18      (~ (![X0 : $i]: (~ (c2_1 @ X0) | ~ (c0_1 @ X0) | ~ (c3_1 @ X0))) | 
% 11.39/2.18       ~ ( (c0_1 @ a900)) | ~ ( (c3_1 @ a900)) | ~ ( (c2_1 @ a900))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl735])).
% 11.39/2.18  thf(zip_derived_cl660, plain,
% 11.39/2.18      ((![X1 : $i]: (~ (c2_1 @ X1) |  (c1_1 @ X1) |  (c3_1 @ X1)))
% 11.39/2.18         <= ((![X1 : $i]: (~ (c2_1 @ X1) |  (c1_1 @ X1) |  (c3_1 @ X1))))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl182])).
% 11.39/2.18  thf(clause124, conjecture, (~( ( ~( hskp1 ) ) | ( ~( c1_1 @ a902 ) ) ))).
% 11.39/2.18  thf(zf_stmt_75, negated_conjecture, (( ~( hskp1 ) ) | ( ~( c1_1 @ a902 ) )),
% 11.39/2.18    inference('cnf.neg', [status(esa)], [clause124])).
% 11.39/2.18  thf(zip_derived_cl123, plain, ((~ (hskp1) | ~ (c1_1 @ a902))),
% 11.39/2.18      inference('cnf', [status(esa)], [zf_stmt_75])).
% 11.39/2.18  thf(zip_derived_cl433, plain, ((~ (c1_1 @ a902)) <= (~ ( (c1_1 @ a902)))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl123])).
% 11.39/2.18  thf(zip_derived_cl1889, plain,
% 11.39/2.18      ((( (c3_1 @ a902) | ~ (c2_1 @ a902)))
% 11.39/2.18         <= (~ ( (c1_1 @ a902)) & 
% 11.39/2.18             (![X1 : $i]: (~ (c2_1 @ X1) |  (c1_1 @ X1) |  (c3_1 @ X1))))),
% 11.39/2.18      inference('s_sup-', [status(thm)], [zip_derived_cl660, zip_derived_cl433])).
% 11.39/2.18  thf('84', plain,
% 11.39/2.18      (~ (![X1 : $i]: (~ (c2_1 @ X1) |  (c1_1 @ X1) |  (c3_1 @ X1))) | 
% 11.39/2.18       ( (c3_1 @ a902)) | ( (c1_1 @ a902)) | ~ ( (c2_1 @ a902))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl1889])).
% 11.39/2.18  thf(clause178, conjecture,
% 11.39/2.18    (~( ( hskp1 ) | ( c1_1 @ V ) | ( ~( c3_1 @ V ) ) | ( ~( c0_1 @ V ) ) | 
% 11.39/2.18        ( ~( ndr1_0 ) ) | ( ~( c3_1 @ U ) ) | ( ~( c1_1 @ U ) ) | 
% 11.39/2.18        ( ~( c0_1 @ U ) ) ))).
% 11.39/2.18  thf(zf_stmt_76, negated_conjecture,
% 11.39/2.18    (( hskp1 ) | ( c1_1 @ V ) | ( ~( c3_1 @ V ) ) | ( ~( c0_1 @ V ) ) | 
% 11.39/2.18     ( ~( ndr1_0 ) ) | ( ~( c3_1 @ U ) ) | ( ~( c1_1 @ U ) ) | 
% 11.39/2.18     ( ~( c0_1 @ U ) )),
% 11.39/2.18    inference('cnf.neg', [status(esa)], [clause178])).
% 11.39/2.18  thf(zip_derived_cl177, plain,
% 11.39/2.18      (![X0 : $i, X1 : $i]:
% 11.39/2.18         ( (hskp1)
% 11.39/2.18          |  (c1_1 @ X0)
% 11.39/2.18          | ~ (c3_1 @ X0)
% 11.39/2.18          | ~ (c0_1 @ X0)
% 11.39/2.18          | ~ (ndr1_0)
% 11.39/2.18          | ~ (c3_1 @ X1)
% 11.39/2.18          | ~ (c1_1 @ X1)
% 11.39/2.18          | ~ (c0_1 @ X1))),
% 11.39/2.18      inference('cnf', [status(esa)], [zf_stmt_76])).
% 11.39/2.18  thf('85', plain,
% 11.39/2.18      (( (hskp1)) | 
% 11.39/2.18       (![X0 : $i]: ( (c1_1 @ X0) | ~ (c0_1 @ X0) | ~ (c3_1 @ X0))) | 
% 11.39/2.18       (![X1 : $i]: (~ (c1_1 @ X1) | ~ (c0_1 @ X1) | ~ (c3_1 @ X1))) | 
% 11.39/2.18       ~ ( (ndr1_0))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl177])).
% 11.39/2.18  thf(clause122, conjecture, (~( ( ~( hskp2 ) ) | ( ~( c2_1 @ a903 ) ) ))).
% 11.39/2.18  thf(zf_stmt_77, negated_conjecture, (( ~( hskp2 ) ) | ( ~( c2_1 @ a903 ) )),
% 11.39/2.18    inference('cnf.neg', [status(esa)], [clause122])).
% 11.39/2.18  thf(zip_derived_cl121, plain, ((~ (hskp2) | ~ (c2_1 @ a903))),
% 11.39/2.18      inference('cnf', [status(esa)], [zf_stmt_77])).
% 11.39/2.18  thf('86', plain, (~ ( (hskp2)) | ~ ( (c2_1 @ a903))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl121])).
% 11.39/2.18  thf(clause123, conjecture, (~( ( ~( hskp2 ) ) | ( ~( c3_1 @ a903 ) ) ))).
% 11.39/2.18  thf(zf_stmt_78, negated_conjecture, (( ~( hskp2 ) ) | ( ~( c3_1 @ a903 ) )),
% 11.39/2.18    inference('cnf.neg', [status(esa)], [clause123])).
% 11.39/2.18  thf(zip_derived_cl122, plain, ((~ (hskp2) | ~ (c3_1 @ a903))),
% 11.39/2.18      inference('cnf', [status(esa)], [zf_stmt_78])).
% 11.39/2.18  thf('87', plain, (~ ( (hskp2)) | ~ ( (c3_1 @ a903))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl122])).
% 11.39/2.18  thf(zip_derived_cl496, plain,
% 11.39/2.18      ((![X0 : $i]: ( (c2_1 @ X0) | ~ (c0_1 @ X0) |  (c3_1 @ X0)))
% 11.39/2.18         <= ((![X0 : $i]: ( (c2_1 @ X0) | ~ (c0_1 @ X0) |  (c3_1 @ X0))))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl141])).
% 11.39/2.18  thf(zip_derived_cl429, plain, ((~ (c2_1 @ a903)) <= (~ ( (c2_1 @ a903)))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl121])).
% 11.39/2.18  thf(zip_derived_cl1778, plain,
% 11.39/2.18      ((( (c3_1 @ a903) | ~ (c0_1 @ a903)))
% 11.39/2.18         <= (~ ( (c2_1 @ a903)) & 
% 11.39/2.18             (![X0 : $i]: ( (c2_1 @ X0) | ~ (c0_1 @ X0) |  (c3_1 @ X0))))),
% 11.39/2.18      inference('s_sup-', [status(thm)], [zip_derived_cl496, zip_derived_cl429])).
% 11.39/2.18  thf('88', plain,
% 11.39/2.18      (( (c2_1 @ a903)) | ( (c3_1 @ a903)) | 
% 11.39/2.18       ~ (![X0 : $i]: ( (c2_1 @ X0) | ~ (c0_1 @ X0) |  (c3_1 @ X0))) | 
% 11.39/2.18       ~ ( (c0_1 @ a903))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl1778])).
% 11.39/2.18  thf(clause131, conjecture,
% 11.39/2.18    (~( ( hskp9 ) | ( hskp27 ) | ( c3_1 @ U ) | ( c2_1 @ U ) | ( c1_1 @ U ) | 
% 11.39/2.18        ( ~( ndr1_0 ) ) ))).
% 11.39/2.18  thf(zf_stmt_79, negated_conjecture,
% 11.39/2.18    (( hskp9 ) | ( hskp27 ) | ( c3_1 @ U ) | ( c2_1 @ U ) | ( c1_1 @ U ) | 
% 11.39/2.18     ( ~( ndr1_0 ) )),
% 11.39/2.18    inference('cnf.neg', [status(esa)], [clause131])).
% 11.39/2.18  thf(zip_derived_cl130, plain,
% 11.39/2.18      (![X0 : $i]:
% 11.39/2.18         ( (hskp9)
% 11.39/2.18          |  (hskp27)
% 11.39/2.18          |  (c3_1 @ X0)
% 11.39/2.18          |  (c2_1 @ X0)
% 11.39/2.18          |  (c1_1 @ X0)
% 11.39/2.18          | ~ (ndr1_0))),
% 11.39/2.18      inference('cnf', [status(esa)], [zf_stmt_79])).
% 11.39/2.18  thf('89', plain,
% 11.39/2.18      (( (hskp9)) | 
% 11.39/2.18       (![X0 : $i]: ( (c2_1 @ X0) |  (c1_1 @ X0) |  (c3_1 @ X0))) | 
% 11.39/2.18       ( (hskp27)) | ~ ( (ndr1_0))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl130])).
% 11.39/2.18  thf(clause175, conjecture,
% 11.39/2.18    (~( ( hskp25 ) | ( c2_1 @ V ) | ( c3_1 @ U ) | ( ~( c3_1 @ V ) ) | 
% 11.39/2.18        ( ~( c0_1 @ V ) ) | ( ~( ndr1_0 ) ) | ( ~( c1_1 @ U ) ) | 
% 11.39/2.18        ( ~( c0_1 @ U ) ) ))).
% 11.39/2.18  thf(zf_stmt_80, negated_conjecture,
% 11.39/2.18    (( hskp25 ) | ( c2_1 @ V ) | ( c3_1 @ U ) | ( ~( c3_1 @ V ) ) | 
% 11.39/2.18     ( ~( c0_1 @ V ) ) | ( ~( ndr1_0 ) ) | ( ~( c1_1 @ U ) ) | 
% 11.39/2.18     ( ~( c0_1 @ U ) )),
% 11.39/2.18    inference('cnf.neg', [status(esa)], [clause175])).
% 11.39/2.18  thf(zip_derived_cl174, plain,
% 11.39/2.18      (![X0 : $i, X1 : $i]:
% 11.39/2.18         ( (hskp25)
% 11.39/2.18          |  (c2_1 @ X0)
% 11.39/2.18          |  (c3_1 @ X1)
% 11.39/2.18          | ~ (c3_1 @ X0)
% 11.39/2.18          | ~ (c0_1 @ X0)
% 11.39/2.18          | ~ (ndr1_0)
% 11.39/2.18          | ~ (c1_1 @ X1)
% 11.39/2.18          | ~ (c0_1 @ X1))),
% 11.39/2.18      inference('cnf', [status(esa)], [zf_stmt_80])).
% 11.39/2.18  thf('90', plain,
% 11.39/2.18      ((![X0 : $i]: (~ (c1_1 @ X0) | ~ (c0_1 @ X0) |  (c3_1 @ X0))) | 
% 11.39/2.18       ( (hskp25)) | ~ ( (ndr1_0)) | 
% 11.39/2.18       (![X0 : $i]: ( (c2_1 @ X0) | ~ (c0_1 @ X0) | ~ (c3_1 @ X0)))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl174])).
% 11.39/2.18  thf(zip_derived_cl536, plain,
% 11.39/2.18      ((![X0 : $i]: ( (c2_1 @ X0) | ~ (c1_1 @ X0) | ~ (c3_1 @ X0)))
% 11.39/2.18         <= ((![X0 : $i]: ( (c2_1 @ X0) | ~ (c1_1 @ X0) | ~ (c3_1 @ X0))))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl151])).
% 11.39/2.18  thf(zip_derived_cl333, plain, (( (c1_1 @ a907)) <= (( (c1_1 @ a907)))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl73])).
% 11.39/2.18  thf(zip_derived_cl1019, plain,
% 11.39/2.18      (((~ (c3_1 @ a907) |  (c2_1 @ a907)))
% 11.39/2.18         <= (( (c1_1 @ a907)) & 
% 11.39/2.18             (![X0 : $i]: ( (c2_1 @ X0) | ~ (c1_1 @ X0) | ~ (c3_1 @ X0))))),
% 11.39/2.18      inference('s_sup+', [status(thm)], [zip_derived_cl536, zip_derived_cl333])).
% 11.39/2.18  thf('91', plain,
% 11.39/2.18      (~ (![X0 : $i]: ( (c2_1 @ X0) | ~ (c1_1 @ X0) | ~ (c3_1 @ X0))) | 
% 11.39/2.18       ~ ( (c3_1 @ a907)) | ~ ( (c1_1 @ a907)) | ( (c2_1 @ a907))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl1019])).
% 11.39/2.18  thf(zip_derived_cl544, plain,
% 11.39/2.18      ((![X0 : $i]: (~ (c1_1 @ X0) | ~ (c0_1 @ X0) |  (c3_1 @ X0)))
% 11.39/2.18         <= ((![X0 : $i]: (~ (c1_1 @ X0) | ~ (c0_1 @ X0) |  (c3_1 @ X0))))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl153])).
% 11.39/2.18  thf(zip_derived_cl333, plain, (( (c1_1 @ a907)) <= (( (c1_1 @ a907)))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl73])).
% 11.39/2.18  thf(zip_derived_cl1092, plain,
% 11.39/2.18      ((( (c3_1 @ a907) | ~ (c0_1 @ a907)))
% 11.39/2.18         <= (( (c1_1 @ a907)) & 
% 11.39/2.18             (![X0 : $i]: (~ (c1_1 @ X0) | ~ (c0_1 @ X0) |  (c3_1 @ X0))))),
% 11.39/2.18      inference('s_sup+', [status(thm)], [zip_derived_cl544, zip_derived_cl333])).
% 11.39/2.18  thf('92', plain,
% 11.39/2.18      (( (c3_1 @ a907)) | ~ ( (c1_1 @ a907)) | 
% 11.39/2.18       ~ (![X0 : $i]: (~ (c1_1 @ X0) | ~ (c0_1 @ X0) |  (c3_1 @ X0))) | 
% 11.39/2.18       ~ ( (c0_1 @ a907))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl1092])).
% 11.39/2.18  thf(zip_derived_cl524, plain,
% 11.39/2.18      ((![X0 : $i]: ( (c2_1 @ X0) | ~ (c1_1 @ X0) | ~ (c0_1 @ X0)))
% 11.39/2.18         <= ((![X0 : $i]: ( (c2_1 @ X0) | ~ (c1_1 @ X0) | ~ (c0_1 @ X0))))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl148])).
% 11.39/2.18  thf(zip_derived_cl477, plain,
% 11.39/2.18      ((![X0 : $i]: ( (c2_1 @ X0) |  (c1_1 @ X0) | ~ (c0_1 @ X0)))
% 11.39/2.18         <= ((![X0 : $i]: ( (c2_1 @ X0) |  (c1_1 @ X0) | ~ (c0_1 @ X0))))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl136])).
% 11.39/2.18  thf(zip_derived_cl1643, plain,
% 11.39/2.18      ((![X0 : $i]:
% 11.39/2.18          (~ (c0_1 @ X0) |  (c2_1 @ X0) |  (c2_1 @ X0) | ~ (c0_1 @ X0)))
% 11.39/2.18         <= ((![X0 : $i]: ( (c2_1 @ X0) |  (c1_1 @ X0) | ~ (c0_1 @ X0))) & 
% 11.39/2.18             (![X0 : $i]: ( (c2_1 @ X0) | ~ (c1_1 @ X0) | ~ (c0_1 @ X0))))),
% 11.39/2.18      inference('s_sup+', [status(thm)], [zip_derived_cl524, zip_derived_cl477])).
% 11.39/2.18  thf(zip_derived_cl1651, plain,
% 11.39/2.18      ((![X0 : $i]: ( (c2_1 @ X0) | ~ (c0_1 @ X0)))
% 11.39/2.18         <= ((![X0 : $i]: ( (c2_1 @ X0) |  (c1_1 @ X0) | ~ (c0_1 @ X0))) & 
% 11.39/2.18             (![X0 : $i]: ( (c2_1 @ X0) | ~ (c1_1 @ X0) | ~ (c0_1 @ X0))))),
% 11.39/2.18      inference('simplify', [status(thm)], [zip_derived_cl1643])).
% 11.39/2.18  thf(clause158, conjecture,
% 11.39/2.18    (~( ( hskp12 ) | ( hskp11 ) | ( ~( ndr1_0 ) ) | ( ~( c3_1 @ U ) ) | 
% 11.39/2.18        ( ~( c2_1 @ U ) ) | ( ~( c1_1 @ U ) ) ))).
% 11.39/2.18  thf(zf_stmt_81, negated_conjecture,
% 11.39/2.18    (( hskp12 ) | ( hskp11 ) | ( ~( ndr1_0 ) ) | ( ~( c3_1 @ U ) ) | 
% 11.39/2.18     ( ~( c2_1 @ U ) ) | ( ~( c1_1 @ U ) )),
% 11.39/2.18    inference('cnf.neg', [status(esa)], [clause158])).
% 11.39/2.18  thf(zip_derived_cl157, plain,
% 11.39/2.18      (![X0 : $i]:
% 11.39/2.18         ( (hskp12)
% 11.39/2.18          |  (hskp11)
% 11.39/2.18          | ~ (ndr1_0)
% 11.39/2.18          | ~ (c3_1 @ X0)
% 11.39/2.18          | ~ (c2_1 @ X0)
% 11.39/2.18          | ~ (c1_1 @ X0))),
% 11.39/2.18      inference('cnf', [status(esa)], [zf_stmt_81])).
% 11.39/2.18  thf(zip_derived_cl560, plain,
% 11.39/2.18      ((![X0 : $i]: (~ (c2_1 @ X0) | ~ (c1_1 @ X0) | ~ (c3_1 @ X0)))
% 11.39/2.18         <= ((![X0 : $i]: (~ (c2_1 @ X0) | ~ (c1_1 @ X0) | ~ (c3_1 @ X0))))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl157])).
% 11.39/2.18  thf(zip_derived_cl493, plain,
% 11.39/2.18      ((![X0 : $i]: ( (c1_1 @ X0) | ~ (c0_1 @ X0) | ~ (c3_1 @ X0)))
% 11.39/2.18         <= ((![X0 : $i]: ( (c1_1 @ X0) | ~ (c0_1 @ X0) | ~ (c3_1 @ X0))))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl140])).
% 11.39/2.18  thf(zip_derived_cl1379, plain,
% 11.39/2.18      ((![X0 : $i]:
% 11.39/2.18          (~ (c3_1 @ X0) | ~ (c2_1 @ X0) | ~ (c0_1 @ X0) | ~ (c3_1 @ X0)))
% 11.39/2.18         <= ((![X0 : $i]: ( (c1_1 @ X0) | ~ (c0_1 @ X0) | ~ (c3_1 @ X0))) & 
% 11.39/2.18             (![X0 : $i]: (~ (c2_1 @ X0) | ~ (c1_1 @ X0) | ~ (c3_1 @ X0))))),
% 11.39/2.18      inference('s_sup+', [status(thm)], [zip_derived_cl560, zip_derived_cl493])).
% 11.39/2.18  thf(zip_derived_cl1385, plain,
% 11.39/2.18      ((![X0 : $i]: (~ (c0_1 @ X0) | ~ (c2_1 @ X0) | ~ (c3_1 @ X0)))
% 11.39/2.18         <= ((![X0 : $i]: ( (c1_1 @ X0) | ~ (c0_1 @ X0) | ~ (c3_1 @ X0))) & 
% 11.39/2.18             (![X0 : $i]: (~ (c2_1 @ X0) | ~ (c1_1 @ X0) | ~ (c3_1 @ X0))))),
% 11.39/2.18      inference('simplify', [status(thm)], [zip_derived_cl1379])).
% 11.39/2.18  thf(zip_derived_cl2379, plain,
% 11.39/2.18      ((![X0 : $i]: (~ (c0_1 @ X0) | ~ (c0_1 @ X0) | ~ (c3_1 @ X0)))
% 11.39/2.18         <= ((![X0 : $i]: ( (c2_1 @ X0) |  (c1_1 @ X0) | ~ (c0_1 @ X0))) & 
% 11.39/2.18             (![X0 : $i]: ( (c1_1 @ X0) | ~ (c0_1 @ X0) | ~ (c3_1 @ X0))) & 
% 11.39/2.18             (![X0 : $i]: ( (c2_1 @ X0) | ~ (c1_1 @ X0) | ~ (c0_1 @ X0))) & 
% 11.39/2.18             (![X0 : $i]: (~ (c2_1 @ X0) | ~ (c1_1 @ X0) | ~ (c3_1 @ X0))))),
% 11.39/2.18      inference('s_sup-', [status(thm)],
% 11.39/2.18                [zip_derived_cl1651, zip_derived_cl1385])).
% 11.39/2.18  thf(zip_derived_cl2421, plain,
% 11.39/2.18      ((![X0 : $i]: (~ (c3_1 @ X0) | ~ (c0_1 @ X0)))
% 11.39/2.18         <= ((![X0 : $i]: ( (c2_1 @ X0) |  (c1_1 @ X0) | ~ (c0_1 @ X0))) & 
% 11.39/2.18             (![X0 : $i]: ( (c1_1 @ X0) | ~ (c0_1 @ X0) | ~ (c3_1 @ X0))) & 
% 11.39/2.18             (![X0 : $i]: ( (c2_1 @ X0) | ~ (c1_1 @ X0) | ~ (c0_1 @ X0))) & 
% 11.39/2.18             (![X0 : $i]: (~ (c2_1 @ X0) | ~ (c1_1 @ X0) | ~ (c3_1 @ X0))))),
% 11.39/2.18      inference('simplify', [status(thm)], [zip_derived_cl2379])).
% 11.39/2.18  thf(clause67, conjecture, (~( ( c3_1 @ a914 ) | ( ~( hskp11 ) ) ))).
% 11.39/2.18  thf(zf_stmt_82, negated_conjecture, (( c3_1 @ a914 ) | ( ~( hskp11 ) )),
% 11.39/2.18    inference('cnf.neg', [status(esa)], [clause67])).
% 11.39/2.18  thf(zip_derived_cl66, plain, (( (c3_1 @ a914) | ~ (hskp11))),
% 11.39/2.18      inference('cnf', [status(esa)], [zf_stmt_82])).
% 11.39/2.18  thf(zip_derived_cl319, plain, (( (c3_1 @ a914)) <= (( (c3_1 @ a914)))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl66])).
% 11.39/2.18  thf(zip_derived_cl2433, plain,
% 11.39/2.18      ((~ (c0_1 @ a914))
% 11.39/2.18         <= (( (c3_1 @ a914)) & 
% 11.39/2.18             (![X0 : $i]: ( (c2_1 @ X0) |  (c1_1 @ X0) | ~ (c0_1 @ X0))) & 
% 11.39/2.18             (![X0 : $i]: ( (c1_1 @ X0) | ~ (c0_1 @ X0) | ~ (c3_1 @ X0))) & 
% 11.39/2.18             (![X0 : $i]: ( (c2_1 @ X0) | ~ (c1_1 @ X0) | ~ (c0_1 @ X0))) & 
% 11.39/2.18             (![X0 : $i]: (~ (c2_1 @ X0) | ~ (c1_1 @ X0) | ~ (c3_1 @ X0))))),
% 11.39/2.18      inference('s_sup+', [status(thm)],
% 11.39/2.18                [zip_derived_cl2421, zip_derived_cl319])).
% 11.39/2.18  thf(clause66, conjecture, (~( ( c0_1 @ a914 ) | ( ~( hskp11 ) ) ))).
% 11.39/2.18  thf(zf_stmt_83, negated_conjecture, (( c0_1 @ a914 ) | ( ~( hskp11 ) )),
% 11.39/2.18    inference('cnf.neg', [status(esa)], [clause66])).
% 11.39/2.18  thf(zip_derived_cl65, plain, (( (c0_1 @ a914) | ~ (hskp11))),
% 11.39/2.18      inference('cnf', [status(esa)], [zf_stmt_83])).
% 11.39/2.18  thf(zip_derived_cl317, plain, (( (c0_1 @ a914)) <= (( (c0_1 @ a914)))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl65])).
% 11.39/2.18  thf('93', plain,
% 11.39/2.18      (~ (![X0 : $i]: (~ (c2_1 @ X0) | ~ (c1_1 @ X0) | ~ (c3_1 @ X0))) | 
% 11.39/2.18       ~ (![X0 : $i]: ( (c2_1 @ X0) | ~ (c1_1 @ X0) | ~ (c0_1 @ X0))) | 
% 11.39/2.18       ~ ( (c0_1 @ a914)) | 
% 11.39/2.18       ~ (![X0 : $i]: ( (c1_1 @ X0) | ~ (c0_1 @ X0) | ~ (c3_1 @ X0))) | 
% 11.39/2.18       ~ (![X0 : $i]: ( (c2_1 @ X0) |  (c1_1 @ X0) | ~ (c0_1 @ X0))) | 
% 11.39/2.18       ~ ( (c3_1 @ a914))),
% 11.39/2.18      inference('s_sup+', [status(thm)],
% 11.39/2.18                [zip_derived_cl2433, zip_derived_cl317])).
% 11.39/2.18  thf(clause159, conjecture,
% 11.39/2.18    (~( ( hskp9 ) | ( c3_1 @ V ) | ( c2_1 @ V ) | ( c0_1 @ V ) | 
% 11.39/2.18        ( c2_1 @ U ) | ( c1_1 @ U ) | ( ~( ndr1_0 ) ) | ( ~( c0_1 @ U ) ) ))).
% 11.39/2.18  thf(zf_stmt_84, negated_conjecture,
% 11.39/2.18    (( hskp9 ) | ( c3_1 @ V ) | ( c2_1 @ V ) | ( c0_1 @ V ) | ( c2_1 @ U ) | 
% 11.39/2.18     ( c1_1 @ U ) | ( ~( ndr1_0 ) ) | ( ~( c0_1 @ U ) )),
% 11.39/2.18    inference('cnf.neg', [status(esa)], [clause159])).
% 11.39/2.18  thf(zip_derived_cl158, plain,
% 11.39/2.18      (![X0 : $i, X1 : $i]:
% 11.39/2.18         ( (hskp9)
% 11.39/2.18          |  (c3_1 @ X0)
% 11.39/2.18          |  (c2_1 @ X0)
% 11.39/2.18          |  (c0_1 @ X0)
% 11.39/2.18          |  (c2_1 @ X1)
% 11.39/2.18          |  (c1_1 @ X1)
% 11.39/2.18          | ~ (ndr1_0)
% 11.39/2.18          | ~ (c0_1 @ X1))),
% 11.39/2.18      inference('cnf', [status(esa)], [zf_stmt_84])).
% 11.39/2.18  thf('94', plain,
% 11.39/2.18      (( (hskp9)) | 
% 11.39/2.18       (![X0 : $i]: ( (c2_1 @ X0) |  (c1_1 @ X0) | ~ (c0_1 @ X0))) | 
% 11.39/2.18       ~ ( (ndr1_0)) | 
% 11.39/2.18       (![X0 : $i]: ( (c2_1 @ X0) |  (c0_1 @ X0) |  (c3_1 @ X0)))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl158])).
% 11.39/2.18  thf('95', plain, (( (c2_1 @ a910)) | ~ ( (hskp9))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl69])).
% 11.39/2.18  thf(clause110, conjecture, (~( ( ~( hskp9 ) ) | ( ~( c1_1 @ a910 ) ) ))).
% 11.39/2.18  thf(zf_stmt_85, negated_conjecture, (( ~( hskp9 ) ) | ( ~( c1_1 @ a910 ) )),
% 11.39/2.18    inference('cnf.neg', [status(esa)], [clause110])).
% 11.39/2.18  thf(zip_derived_cl109, plain, ((~ (hskp9) | ~ (c1_1 @ a910))),
% 11.39/2.18      inference('cnf', [status(esa)], [zf_stmt_85])).
% 11.39/2.18  thf('96', plain, (~ ( (c1_1 @ a910)) | ~ ( (hskp9))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl109])).
% 11.39/2.18  thf(clause111, conjecture, (~( ( ~( hskp9 ) ) | ( ~( c3_1 @ a910 ) ) ))).
% 11.39/2.18  thf(zf_stmt_86, negated_conjecture, (( ~( hskp9 ) ) | ( ~( c3_1 @ a910 ) )),
% 11.39/2.18    inference('cnf.neg', [status(esa)], [clause111])).
% 11.39/2.18  thf(zip_derived_cl110, plain, ((~ (hskp9) | ~ (c3_1 @ a910))),
% 11.39/2.18      inference('cnf', [status(esa)], [zf_stmt_86])).
% 11.39/2.18  thf('97', plain, (~ ( (c3_1 @ a910)) | ~ ( (hskp9))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl110])).
% 11.39/2.18  thf(zip_derived_cl660, plain,
% 11.39/2.18      ((![X1 : $i]: (~ (c2_1 @ X1) |  (c1_1 @ X1) |  (c3_1 @ X1)))
% 11.39/2.18         <= ((![X1 : $i]: (~ (c2_1 @ X1) |  (c1_1 @ X1) |  (c3_1 @ X1))))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl182])).
% 11.39/2.18  thf(zip_derived_cl405, plain, ((~ (c1_1 @ a910)) <= (~ ( (c1_1 @ a910)))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl109])).
% 11.39/2.18  thf(zip_derived_cl1887, plain,
% 11.39/2.18      ((( (c3_1 @ a910) | ~ (c2_1 @ a910)))
% 11.39/2.18         <= (~ ( (c1_1 @ a910)) & 
% 11.39/2.18             (![X1 : $i]: (~ (c2_1 @ X1) |  (c1_1 @ X1) |  (c3_1 @ X1))))),
% 11.39/2.18      inference('s_sup-', [status(thm)], [zip_derived_cl660, zip_derived_cl405])).
% 11.39/2.18  thf('98', plain,
% 11.39/2.18      (~ (![X1 : $i]: (~ (c2_1 @ X1) |  (c1_1 @ X1) |  (c3_1 @ X1))) | 
% 11.39/2.18       ~ ( (c2_1 @ a910)) | ( (c1_1 @ a910)) | ( (c3_1 @ a910))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl1887])).
% 11.39/2.18  thf('99', plain,
% 11.39/2.18      ((![X0 : $i]: (~ (c2_1 @ X0) | ~ (c1_1 @ X0) |  (c0_1 @ X0))) | 
% 11.39/2.18       (![X1 : $i]: (~ (c2_1 @ X1) |  (c1_1 @ X1) |  (c3_1 @ X1))) | 
% 11.39/2.18       (![X0 : $i]: ( (c2_1 @ X0) | ~ (c1_1 @ X0) | ~ (c3_1 @ X0))) | 
% 11.39/2.18       ~ ( (ndr1_0))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl182])).
% 11.39/2.18  thf(clause153, conjecture,
% 11.39/2.18    (~( ( hskp21 ) | ( hskp10 ) | ( c2_1 @ U ) | ( ~( ndr1_0 ) ) | 
% 11.39/2.18        ( ~( c3_1 @ U ) ) | ( ~( c1_1 @ U ) ) ))).
% 11.39/2.18  thf(zf_stmt_87, negated_conjecture,
% 11.39/2.18    (( hskp21 ) | ( hskp10 ) | ( c2_1 @ U ) | ( ~( ndr1_0 ) ) | 
% 11.39/2.18     ( ~( c3_1 @ U ) ) | ( ~( c1_1 @ U ) )),
% 11.39/2.18    inference('cnf.neg', [status(esa)], [clause153])).
% 11.39/2.18  thf(zip_derived_cl152, plain,
% 11.39/2.18      (![X0 : $i]:
% 11.39/2.18         ( (hskp21)
% 11.39/2.18          |  (hskp10)
% 11.39/2.18          |  (c2_1 @ X0)
% 11.39/2.18          | ~ (ndr1_0)
% 11.39/2.18          | ~ (c3_1 @ X0)
% 11.39/2.18          | ~ (c1_1 @ X0))),
% 11.39/2.18      inference('cnf', [status(esa)], [zf_stmt_87])).
% 11.39/2.18  thf('100', plain,
% 11.39/2.18      (( (hskp21)) | ( (hskp10)) | 
% 11.39/2.18       (![X0 : $i]: ( (c2_1 @ X0) | ~ (c1_1 @ X0) | ~ (c3_1 @ X0))) | 
% 11.39/2.18       ~ ( (ndr1_0))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl152])).
% 11.39/2.18  thf(zip_derived_cl516, plain,
% 11.39/2.18      ((![X0 : $i]: (~ (c2_1 @ X0) |  (c0_1 @ X0) | ~ (c3_1 @ X0)))
% 11.39/2.18         <= ((![X0 : $i]: (~ (c2_1 @ X0) |  (c0_1 @ X0) | ~ (c3_1 @ X0))))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl146])).
% 11.39/2.18  thf(clause61, conjecture, (~( ( c2_1 @ a924 ) | ( ~( hskp15 ) ) ))).
% 11.39/2.18  thf(zf_stmt_88, negated_conjecture, (( c2_1 @ a924 ) | ( ~( hskp15 ) )),
% 11.39/2.18    inference('cnf.neg', [status(esa)], [clause61])).
% 11.39/2.18  thf(zip_derived_cl60, plain, (( (c2_1 @ a924) | ~ (hskp15))),
% 11.39/2.18      inference('cnf', [status(esa)], [zf_stmt_88])).
% 11.39/2.18  thf(zip_derived_cl307, plain, (( (c2_1 @ a924)) <= (( (c2_1 @ a924)))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl60])).
% 11.39/2.18  thf(zip_derived_cl930, plain,
% 11.39/2.18      (((~ (c3_1 @ a924) |  (c0_1 @ a924)))
% 11.39/2.18         <= (( (c2_1 @ a924)) & 
% 11.39/2.18             (![X0 : $i]: (~ (c2_1 @ X0) |  (c0_1 @ X0) | ~ (c3_1 @ X0))))),
% 11.39/2.18      inference('s_sup+', [status(thm)], [zip_derived_cl516, zip_derived_cl307])).
% 11.39/2.18  thf('101', plain,
% 11.39/2.18      (~ ( (c3_1 @ a924)) | ~ ( (c2_1 @ a924)) | 
% 11.39/2.18       ~ (![X0 : $i]: (~ (c2_1 @ X0) |  (c0_1 @ X0) | ~ (c3_1 @ X0))) | 
% 11.39/2.18       ( (c0_1 @ a924))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl930])).
% 11.39/2.18  thf('102', plain, (( (c2_1 @ a924)) | ~ ( (hskp15))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl60])).
% 11.39/2.18  thf(clause101, conjecture, (~( ( ~( hskp15 ) ) | ( ~( c0_1 @ a924 ) ) ))).
% 11.39/2.18  thf(zf_stmt_89, negated_conjecture, (( ~( hskp15 ) ) | ( ~( c0_1 @ a924 ) )),
% 11.39/2.18    inference('cnf.neg', [status(esa)], [clause101])).
% 11.39/2.18  thf(zip_derived_cl100, plain, ((~ (hskp15) | ~ (c0_1 @ a924))),
% 11.39/2.18      inference('cnf', [status(esa)], [zf_stmt_89])).
% 11.39/2.18  thf('103', plain, (~ ( (c0_1 @ a924)) | ~ ( (hskp15))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl100])).
% 11.39/2.18  thf(clause171, conjecture,
% 11.39/2.18    (~( ( hskp15 ) | ( c2_1 @ V ) | ( c1_1 @ V ) | ( ~( c0_1 @ V ) ) | 
% 11.39/2.18        ( ~( ndr1_0 ) ) | ( ~( c3_1 @ U ) ) | ( ~( c1_1 @ U ) ) | 
% 11.39/2.18        ( ~( c0_1 @ U ) ) ))).
% 11.39/2.18  thf(zf_stmt_90, negated_conjecture,
% 11.39/2.18    (( hskp15 ) | ( c2_1 @ V ) | ( c1_1 @ V ) | ( ~( c0_1 @ V ) ) | 
% 11.39/2.18     ( ~( ndr1_0 ) ) | ( ~( c3_1 @ U ) ) | ( ~( c1_1 @ U ) ) | 
% 11.39/2.18     ( ~( c0_1 @ U ) )),
% 11.39/2.18    inference('cnf.neg', [status(esa)], [clause171])).
% 11.39/2.18  thf(zip_derived_cl170, plain,
% 11.39/2.18      (![X0 : $i, X1 : $i]:
% 11.39/2.18         ( (hskp15)
% 11.39/2.18          |  (c2_1 @ X0)
% 11.39/2.18          |  (c1_1 @ X0)
% 11.39/2.18          | ~ (c0_1 @ X0)
% 11.39/2.18          | ~ (ndr1_0)
% 11.39/2.18          | ~ (c3_1 @ X1)
% 11.39/2.18          | ~ (c1_1 @ X1)
% 11.39/2.18          | ~ (c0_1 @ X1))),
% 11.39/2.18      inference('cnf', [status(esa)], [zf_stmt_90])).
% 11.39/2.18  thf('104', plain,
% 11.39/2.18      ((![X0 : $i]: ( (c2_1 @ X0) |  (c1_1 @ X0) | ~ (c0_1 @ X0))) | 
% 11.39/2.18       ( (hskp15)) | 
% 11.39/2.18       (![X1 : $i]: (~ (c1_1 @ X1) | ~ (c0_1 @ X1) | ~ (c3_1 @ X1))) | 
% 11.39/2.18       ~ ( (ndr1_0))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl170])).
% 11.39/2.18  thf(zip_derived_cl611, plain,
% 11.39/2.18      ((![X1 : $i]: (~ (c1_1 @ X1) | ~ (c0_1 @ X1) | ~ (c3_1 @ X1)))
% 11.39/2.18         <= ((![X1 : $i]: (~ (c1_1 @ X1) | ~ (c0_1 @ X1) | ~ (c3_1 @ X1))))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl170])).
% 11.39/2.18  thf(zip_derived_cl493, plain,
% 11.39/2.18      ((![X0 : $i]: ( (c1_1 @ X0) | ~ (c0_1 @ X0) | ~ (c3_1 @ X0)))
% 11.39/2.18         <= ((![X0 : $i]: ( (c1_1 @ X0) | ~ (c0_1 @ X0) | ~ (c3_1 @ X0))))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl140])).
% 11.39/2.18  thf(zip_derived_cl1381, plain,
% 11.39/2.18      ((![X0 : $i]:
% 11.39/2.18          (~ (c3_1 @ X0) | ~ (c0_1 @ X0) | ~ (c0_1 @ X0) | ~ (c3_1 @ X0)))
% 11.39/2.18         <= ((![X0 : $i]: ( (c1_1 @ X0) | ~ (c0_1 @ X0) | ~ (c3_1 @ X0))) & 
% 11.39/2.18             (![X1 : $i]: (~ (c1_1 @ X1) | ~ (c0_1 @ X1) | ~ (c3_1 @ X1))))),
% 11.39/2.18      inference('s_sup+', [status(thm)], [zip_derived_cl611, zip_derived_cl493])).
% 11.39/2.18  thf(zip_derived_cl1387, plain,
% 11.39/2.18      ((![X0 : $i]: (~ (c0_1 @ X0) | ~ (c3_1 @ X0)))
% 11.39/2.18         <= ((![X0 : $i]: ( (c1_1 @ X0) | ~ (c0_1 @ X0) | ~ (c3_1 @ X0))) & 
% 11.39/2.18             (![X1 : $i]: (~ (c1_1 @ X1) | ~ (c0_1 @ X1) | ~ (c3_1 @ X1))))),
% 11.39/2.18      inference('simplify', [status(thm)], [zip_derived_cl1381])).
% 11.39/2.18  thf(zip_derived_cl319, plain, (( (c3_1 @ a914)) <= (( (c3_1 @ a914)))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl66])).
% 11.39/2.18  thf(zip_derived_cl2023, plain,
% 11.39/2.18      ((~ (c0_1 @ a914))
% 11.39/2.18         <= (( (c3_1 @ a914)) & 
% 11.39/2.18             (![X0 : $i]: ( (c1_1 @ X0) | ~ (c0_1 @ X0) | ~ (c3_1 @ X0))) & 
% 11.39/2.18             (![X1 : $i]: (~ (c1_1 @ X1) | ~ (c0_1 @ X1) | ~ (c3_1 @ X1))))),
% 11.39/2.18      inference('s_sup+', [status(thm)],
% 11.39/2.18                [zip_derived_cl1387, zip_derived_cl319])).
% 11.39/2.18  thf(zip_derived_cl317, plain, (( (c0_1 @ a914)) <= (( (c0_1 @ a914)))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl65])).
% 11.39/2.18  thf('105', plain,
% 11.39/2.18      (~ (![X1 : $i]: (~ (c1_1 @ X1) | ~ (c0_1 @ X1) | ~ (c3_1 @ X1))) | 
% 11.39/2.18       ~ ( (c0_1 @ a914)) | 
% 11.39/2.18       ~ (![X0 : $i]: ( (c1_1 @ X0) | ~ (c0_1 @ X0) | ~ (c3_1 @ X0))) | 
% 11.39/2.18       ~ ( (c3_1 @ a914))),
% 11.39/2.18      inference('s_sup+', [status(thm)],
% 11.39/2.18                [zip_derived_cl2023, zip_derived_cl317])).
% 11.39/2.18  thf(zip_derived_cl477, plain,
% 11.39/2.18      ((![X0 : $i]: ( (c2_1 @ X0) |  (c1_1 @ X0) | ~ (c0_1 @ X0)))
% 11.39/2.18         <= ((![X0 : $i]: ( (c2_1 @ X0) |  (c1_1 @ X0) | ~ (c0_1 @ X0))))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl136])).
% 11.39/2.18  thf(zip_derived_cl425, plain, ((~ (c1_1 @ a904)) <= (~ ( (c1_1 @ a904)))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl119])).
% 11.39/2.18  thf(zip_derived_cl1636, plain,
% 11.39/2.18      (((~ (c0_1 @ a904) |  (c2_1 @ a904)))
% 11.39/2.18         <= (~ ( (c1_1 @ a904)) & 
% 11.39/2.18             (![X0 : $i]: ( (c2_1 @ X0) |  (c1_1 @ X0) | ~ (c0_1 @ X0))))),
% 11.39/2.18      inference('s_sup-', [status(thm)], [zip_derived_cl477, zip_derived_cl425])).
% 11.39/2.18  thf('106', plain,
% 11.39/2.18      (( (c1_1 @ a904)) | ( (c2_1 @ a904)) | 
% 11.39/2.18       ~ (![X0 : $i]: ( (c2_1 @ X0) |  (c1_1 @ X0) | ~ (c0_1 @ X0))) | 
% 11.39/2.18       ~ ( (c0_1 @ a904))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl1636])).
% 11.39/2.18  thf(clause78, conjecture, (~( ( c0_1 @ a904 ) | ( ~( hskp3 ) ) ))).
% 11.39/2.18  thf(zf_stmt_91, negated_conjecture, (( c0_1 @ a904 ) | ( ~( hskp3 ) )),
% 11.39/2.18    inference('cnf.neg', [status(esa)], [clause78])).
% 11.39/2.18  thf(zip_derived_cl77, plain, (( (c0_1 @ a904) | ~ (hskp3))),
% 11.39/2.18      inference('cnf', [status(esa)], [zf_stmt_91])).
% 11.39/2.18  thf('107', plain, (( (c0_1 @ a904)) | ~ ( (hskp3))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl77])).
% 11.39/2.18  thf('108', plain, (~ ( (hskp3)) | ~ ( (c1_1 @ a904))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl119])).
% 11.39/2.18  thf(clause121, conjecture, (~( ( ~( hskp3 ) ) | ( ~( c2_1 @ a904 ) ) ))).
% 11.39/2.18  thf(zf_stmt_92, negated_conjecture, (( ~( hskp3 ) ) | ( ~( c2_1 @ a904 ) )),
% 11.39/2.18    inference('cnf.neg', [status(esa)], [clause121])).
% 11.39/2.18  thf(zip_derived_cl120, plain, ((~ (hskp3) | ~ (c2_1 @ a904))),
% 11.39/2.18      inference('cnf', [status(esa)], [zf_stmt_92])).
% 11.39/2.18  thf('109', plain, (~ ( (hskp3)) | ~ ( (c2_1 @ a904))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl120])).
% 11.39/2.18  thf('110', plain,
% 11.39/2.18      (( (hskp13)) | 
% 11.39/2.18       (![X0 : $i]: (~ (c2_1 @ X0) | ~ (c1_1 @ X0) |  (c0_1 @ X0))) | 
% 11.39/2.18       ( (hskp3)) | ~ ( (ndr1_0))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl144])).
% 11.39/2.18  thf(clause34, conjecture, (~( ( hskp21 ) | ( hskp13 ) | ( hskp12 ) ))).
% 11.39/2.18  thf(zf_stmt_93, negated_conjecture, (( hskp21 ) | ( hskp13 ) | ( hskp12 )),
% 11.39/2.18    inference('cnf.neg', [status(esa)], [clause34])).
% 11.39/2.18  thf(zip_derived_cl33, plain, (( (hskp21) |  (hskp13) |  (hskp12))),
% 11.39/2.18      inference('cnf', [status(esa)], [zf_stmt_93])).
% 11.39/2.18  thf('111', plain, (( (hskp12)) | ( (hskp21)) | ( (hskp13))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl33])).
% 11.39/2.18  thf(zip_derived_cl560, plain,
% 11.39/2.18      ((![X0 : $i]: (~ (c2_1 @ X0) | ~ (c1_1 @ X0) | ~ (c3_1 @ X0)))
% 11.39/2.18         <= ((![X0 : $i]: (~ (c2_1 @ X0) | ~ (c1_1 @ X0) | ~ (c3_1 @ X0))))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl157])).
% 11.39/2.18  thf(zip_derived_cl269, plain, (( (c1_1 @ a916)) <= (( (c1_1 @ a916)))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl41])).
% 11.39/2.18  thf(zip_derived_cl709, plain,
% 11.39/2.18      (((~ (c3_1 @ a916) | ~ (c2_1 @ a916)))
% 11.39/2.18         <= (( (c1_1 @ a916)) & 
% 11.39/2.18             (![X0 : $i]: (~ (c2_1 @ X0) | ~ (c1_1 @ X0) | ~ (c3_1 @ X0))))),
% 11.39/2.18      inference('s_sup+', [status(thm)], [zip_derived_cl560, zip_derived_cl269])).
% 11.39/2.18  thf('112', plain,
% 11.39/2.18      (~ (![X0 : $i]: (~ (c2_1 @ X0) | ~ (c1_1 @ X0) | ~ (c3_1 @ X0))) | 
% 11.39/2.18       ~ ( (c2_1 @ a916)) | ~ ( (c3_1 @ a916)) | ~ ( (c1_1 @ a916))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl709])).
% 11.39/2.18  thf(zip_derived_cl536, plain,
% 11.39/2.18      ((![X0 : $i]: ( (c2_1 @ X0) | ~ (c1_1 @ X0) | ~ (c3_1 @ X0)))
% 11.39/2.18         <= ((![X0 : $i]: ( (c2_1 @ X0) | ~ (c1_1 @ X0) | ~ (c3_1 @ X0))))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl151])).
% 11.39/2.18  thf(zip_derived_cl269, plain, (( (c1_1 @ a916)) <= (( (c1_1 @ a916)))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl41])).
% 11.39/2.18  thf(zip_derived_cl1009, plain,
% 11.39/2.18      (((~ (c3_1 @ a916) |  (c2_1 @ a916)))
% 11.39/2.18         <= (( (c1_1 @ a916)) & 
% 11.39/2.18             (![X0 : $i]: ( (c2_1 @ X0) | ~ (c1_1 @ X0) | ~ (c3_1 @ X0))))),
% 11.39/2.18      inference('s_sup+', [status(thm)], [zip_derived_cl536, zip_derived_cl269])).
% 11.39/2.18  thf('113', plain,
% 11.39/2.18      (~ (![X0 : $i]: ( (c2_1 @ X0) | ~ (c1_1 @ X0) | ~ (c3_1 @ X0))) | 
% 11.39/2.18       ( (c2_1 @ a916)) | ~ ( (c1_1 @ a916)) | ~ ( (c3_1 @ a916))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl1009])).
% 11.39/2.18  thf(zip_derived_cl469, plain,
% 11.39/2.18      ((![X0 : $i]: (~ (c2_1 @ X0) |  (c0_1 @ X0) |  (c3_1 @ X0)))
% 11.39/2.18         <= ((![X0 : $i]: (~ (c2_1 @ X0) |  (c0_1 @ X0) |  (c3_1 @ X0))))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl134])).
% 11.39/2.18  thf(zip_derived_cl307, plain, (( (c2_1 @ a924)) <= (( (c2_1 @ a924)))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl60])).
% 11.39/2.18  thf(zip_derived_cl1535, plain,
% 11.39/2.18      ((( (c3_1 @ a924) |  (c0_1 @ a924)))
% 11.39/2.18         <= (( (c2_1 @ a924)) & 
% 11.39/2.18             (![X0 : $i]: (~ (c2_1 @ X0) |  (c0_1 @ X0) |  (c3_1 @ X0))))),
% 11.39/2.18      inference('s_sup+', [status(thm)], [zip_derived_cl469, zip_derived_cl307])).
% 11.39/2.18  thf('114', plain,
% 11.39/2.18      (~ (![X0 : $i]: (~ (c2_1 @ X0) |  (c0_1 @ X0) |  (c3_1 @ X0))) | 
% 11.39/2.18       ( (c3_1 @ a924)) | ( (c0_1 @ a924)) | ~ ( (c2_1 @ a924))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl1535])).
% 11.39/2.18  thf('115', plain,
% 11.39/2.18      (( (c2_1 @ a916)) | 
% 11.39/2.18       ~ (![X0 : $i]: ( (c2_1 @ X0) | ~ (c1_1 @ X0) | ~ (c0_1 @ X0))) | 
% 11.39/2.18       ~ ( (c0_1 @ a916)) | ~ ( (c1_1 @ a916))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl981])).
% 11.39/2.18  thf(zip_derived_cl496, plain,
% 11.39/2.18      ((![X0 : $i]: ( (c2_1 @ X0) | ~ (c0_1 @ X0) |  (c3_1 @ X0)))
% 11.39/2.18         <= ((![X0 : $i]: ( (c2_1 @ X0) | ~ (c0_1 @ X0) |  (c3_1 @ X0))))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl141])).
% 11.39/2.18  thf(clause116, conjecture, (~( ( ~( hskp6 ) ) | ( ~( c2_1 @ a907 ) ) ))).
% 11.39/2.18  thf(zf_stmt_94, negated_conjecture, (( ~( hskp6 ) ) | ( ~( c2_1 @ a907 ) )),
% 11.39/2.18    inference('cnf.neg', [status(esa)], [clause116])).
% 11.39/2.18  thf(zip_derived_cl115, plain, ((~ (hskp6) | ~ (c2_1 @ a907))),
% 11.39/2.18      inference('cnf', [status(esa)], [zf_stmt_94])).
% 11.39/2.18  thf(zip_derived_cl417, plain, ((~ (c2_1 @ a907)) <= (~ ( (c2_1 @ a907)))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl115])).
% 11.39/2.18  thf(zip_derived_cl1775, plain,
% 11.39/2.18      ((( (c3_1 @ a907) | ~ (c0_1 @ a907)))
% 11.39/2.18         <= (~ ( (c2_1 @ a907)) & 
% 11.39/2.18             (![X0 : $i]: ( (c2_1 @ X0) | ~ (c0_1 @ X0) |  (c3_1 @ X0))))),
% 11.39/2.18      inference('s_sup-', [status(thm)], [zip_derived_cl496, zip_derived_cl417])).
% 11.39/2.18  thf('116', plain,
% 11.39/2.18      (( (c3_1 @ a907)) | ( (c2_1 @ a907)) | 
% 11.39/2.18       ~ (![X0 : $i]: ( (c2_1 @ X0) | ~ (c0_1 @ X0) |  (c3_1 @ X0))) | 
% 11.39/2.18       ~ ( (c0_1 @ a907))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl1775])).
% 11.39/2.18  thf(clause168, conjecture,
% 11.39/2.18    (~( ( hskp22 ) | ( c3_1 @ V ) | ( c2_1 @ V ) | ( c2_1 @ U ) | 
% 11.39/2.18        ( ~( c0_1 @ V ) ) | ( ~( ndr1_0 ) ) | ( ~( c3_1 @ U ) ) | 
% 11.39/2.18        ( ~( c1_1 @ U ) ) ))).
% 11.39/2.18  thf(zf_stmt_95, negated_conjecture,
% 11.39/2.18    (( hskp22 ) | ( c3_1 @ V ) | ( c2_1 @ V ) | ( c2_1 @ U ) | 
% 11.39/2.18     ( ~( c0_1 @ V ) ) | ( ~( ndr1_0 ) ) | ( ~( c3_1 @ U ) ) | 
% 11.39/2.18     ( ~( c1_1 @ U ) )),
% 11.39/2.18    inference('cnf.neg', [status(esa)], [clause168])).
% 11.39/2.18  thf(zip_derived_cl167, plain,
% 11.39/2.18      (![X0 : $i, X1 : $i]:
% 11.39/2.18         ( (hskp22)
% 11.39/2.18          |  (c3_1 @ X0)
% 11.39/2.18          |  (c2_1 @ X0)
% 11.39/2.18          |  (c2_1 @ X1)
% 11.39/2.18          | ~ (c0_1 @ X0)
% 11.39/2.18          | ~ (ndr1_0)
% 11.39/2.18          | ~ (c3_1 @ X1)
% 11.39/2.18          | ~ (c1_1 @ X1))),
% 11.39/2.18      inference('cnf', [status(esa)], [zf_stmt_95])).
% 11.39/2.18  thf('117', plain,
% 11.39/2.18      ((![X0 : $i]: ( (c2_1 @ X0) | ~ (c0_1 @ X0) |  (c3_1 @ X0))) | 
% 11.39/2.18       ( (hskp22)) | ~ ( (ndr1_0)) | 
% 11.39/2.18       (![X0 : $i]: ( (c2_1 @ X0) | ~ (c1_1 @ X0) | ~ (c3_1 @ X0)))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl167])).
% 11.39/2.18  thf('118', plain,
% 11.39/2.18      ((![X0 : $i]: ( (c2_1 @ X0) |  (c1_1 @ X0) |  (c0_1 @ X0))) | 
% 11.39/2.18       (![X1 : $i]: ( (c2_1 @ X1) |  (c0_1 @ X1) | ~ (c3_1 @ X1))) | 
% 11.39/2.18       ~ ( (ndr1_0)) | 
% 11.39/2.18       (![X1 : $i]: (~ (c1_1 @ X1) | ~ (c0_1 @ X1) | ~ (c3_1 @ X1)))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl180])).
% 11.39/2.18  thf(zip_derived_cl449, plain,
% 11.39/2.18      ((![X0 : $i]: ( (c2_1 @ X0) |  (c1_1 @ X0) |  (c3_1 @ X0)))
% 11.39/2.18         <= ((![X0 : $i]: ( (c2_1 @ X0) |  (c1_1 @ X0) |  (c3_1 @ X0))))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl129])).
% 11.39/2.18  thf(clause85, conjecture, (~( ( ~( hskp24 ) ) | ( ~( c1_1 @ a959 ) ) ))).
% 11.39/2.18  thf(zf_stmt_96, negated_conjecture, (( ~( hskp24 ) ) | ( ~( c1_1 @ a959 ) )),
% 11.39/2.18    inference('cnf.neg', [status(esa)], [clause85])).
% 11.39/2.18  thf(zip_derived_cl84, plain, ((~ (hskp24) | ~ (c1_1 @ a959))),
% 11.39/2.18      inference('cnf', [status(esa)], [zf_stmt_96])).
% 11.39/2.18  thf(zip_derived_cl355, plain, ((~ (c1_1 @ a959)) <= (~ ( (c1_1 @ a959)))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl84])).
% 11.39/2.18  thf(zip_derived_cl1216, plain,
% 11.39/2.18      ((( (c3_1 @ a959) |  (c2_1 @ a959)))
% 11.39/2.18         <= (~ ( (c1_1 @ a959)) & 
% 11.39/2.18             (![X0 : $i]: ( (c2_1 @ X0) |  (c1_1 @ X0) |  (c3_1 @ X0))))),
% 11.39/2.18      inference('s_sup-', [status(thm)], [zip_derived_cl449, zip_derived_cl355])).
% 11.39/2.18  thf('119', plain,
% 11.39/2.18      (( (c3_1 @ a959)) | ( (c1_1 @ a959)) | 
% 11.39/2.18       ~ (![X0 : $i]: ( (c2_1 @ X0) |  (c1_1 @ X0) |  (c3_1 @ X0))) | 
% 11.39/2.18       ( (c2_1 @ a959))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl1216])).
% 11.39/2.18  thf(zip_derived_cl548, plain,
% 11.39/2.18      ((![X0 : $i]: (~ (c2_1 @ X0) | ~ (c0_1 @ X0) |  (c3_1 @ X0)))
% 11.39/2.18         <= ((![X0 : $i]: (~ (c2_1 @ X0) | ~ (c0_1 @ X0) |  (c3_1 @ X0))))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl154])).
% 11.39/2.18  thf(zip_derived_cl496, plain,
% 11.39/2.18      ((![X0 : $i]: ( (c2_1 @ X0) | ~ (c0_1 @ X0) |  (c3_1 @ X0)))
% 11.39/2.18         <= ((![X0 : $i]: ( (c2_1 @ X0) | ~ (c0_1 @ X0) |  (c3_1 @ X0))))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl141])).
% 11.39/2.18  thf(zip_derived_cl1783, plain,
% 11.39/2.18      ((![X0 : $i]:
% 11.39/2.18          ( (c3_1 @ X0) | ~ (c0_1 @ X0) | ~ (c0_1 @ X0) |  (c3_1 @ X0)))
% 11.39/2.18         <= ((![X0 : $i]: ( (c2_1 @ X0) | ~ (c0_1 @ X0) |  (c3_1 @ X0))) & 
% 11.39/2.18             (![X0 : $i]: (~ (c2_1 @ X0) | ~ (c0_1 @ X0) |  (c3_1 @ X0))))),
% 11.39/2.18      inference('s_sup+', [status(thm)], [zip_derived_cl548, zip_derived_cl496])).
% 11.39/2.18  thf(zip_derived_cl1793, plain,
% 11.39/2.18      ((![X0 : $i]: (~ (c0_1 @ X0) |  (c3_1 @ X0)))
% 11.39/2.18         <= ((![X0 : $i]: ( (c2_1 @ X0) | ~ (c0_1 @ X0) |  (c3_1 @ X0))) & 
% 11.39/2.18             (![X0 : $i]: (~ (c2_1 @ X0) | ~ (c0_1 @ X0) |  (c3_1 @ X0))))),
% 11.39/2.18      inference('simplify', [status(thm)], [zip_derived_cl1783])).
% 11.39/2.18  thf(zip_derived_cl1387, plain,
% 11.39/2.18      ((![X0 : $i]: (~ (c0_1 @ X0) | ~ (c3_1 @ X0)))
% 11.39/2.18         <= ((![X0 : $i]: ( (c1_1 @ X0) | ~ (c0_1 @ X0) | ~ (c3_1 @ X0))) & 
% 11.39/2.18             (![X1 : $i]: (~ (c1_1 @ X1) | ~ (c0_1 @ X1) | ~ (c3_1 @ X1))))),
% 11.39/2.18      inference('simplify', [status(thm)], [zip_derived_cl1381])).
% 11.39/2.18  thf(zip_derived_cl2598, plain,
% 11.39/2.18      ((![X0 : $i]: (~ (c0_1 @ X0) | ~ (c0_1 @ X0)))
% 11.39/2.18         <= ((![X0 : $i]: ( (c1_1 @ X0) | ~ (c0_1 @ X0) | ~ (c3_1 @ X0))) & 
% 11.39/2.18             (![X0 : $i]: ( (c2_1 @ X0) | ~ (c0_1 @ X0) |  (c3_1 @ X0))) & 
% 11.39/2.18             (![X0 : $i]: (~ (c2_1 @ X0) | ~ (c0_1 @ X0) |  (c3_1 @ X0))) & 
% 11.39/2.18             (![X1 : $i]: (~ (c1_1 @ X1) | ~ (c0_1 @ X1) | ~ (c3_1 @ X1))))),
% 11.39/2.18      inference('s_sup-', [status(thm)],
% 11.39/2.18                [zip_derived_cl1793, zip_derived_cl1387])).
% 11.39/2.18  thf(zip_derived_cl2637, plain,
% 11.39/2.18      ((![X0 : $i]: ~ (c0_1 @ X0))
% 11.39/2.18         <= ((![X0 : $i]: ( (c1_1 @ X0) | ~ (c0_1 @ X0) | ~ (c3_1 @ X0))) & 
% 11.39/2.18             (![X0 : $i]: ( (c2_1 @ X0) | ~ (c0_1 @ X0) |  (c3_1 @ X0))) & 
% 11.39/2.18             (![X0 : $i]: (~ (c2_1 @ X0) | ~ (c0_1 @ X0) |  (c3_1 @ X0))) & 
% 11.39/2.18             (![X1 : $i]: (~ (c1_1 @ X1) | ~ (c0_1 @ X1) | ~ (c3_1 @ X1))))),
% 11.39/2.18      inference('simplify', [status(thm)], [zip_derived_cl2598])).
% 11.39/2.18  thf(clause79, conjecture, (~( ( c0_1 @ a903 ) | ( ~( hskp2 ) ) ))).
% 11.39/2.18  thf(zf_stmt_97, negated_conjecture, (( c0_1 @ a903 ) | ( ~( hskp2 ) )),
% 11.39/2.18    inference('cnf.neg', [status(esa)], [clause79])).
% 11.39/2.18  thf(zip_derived_cl78, plain, (( (c0_1 @ a903) | ~ (hskp2))),
% 11.39/2.18      inference('cnf', [status(esa)], [zf_stmt_97])).
% 11.39/2.18  thf(zip_derived_cl343, plain, (( (c0_1 @ a903)) <= (( (c0_1 @ a903)))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl78])).
% 11.39/2.18  thf('120', plain,
% 11.39/2.18      (~ (![X1 : $i]: (~ (c1_1 @ X1) | ~ (c0_1 @ X1) | ~ (c3_1 @ X1))) | 
% 11.39/2.18       ~ ( (c0_1 @ a903)) | 
% 11.39/2.18       ~ (![X0 : $i]: ( (c2_1 @ X0) | ~ (c0_1 @ X0) |  (c3_1 @ X0))) | 
% 11.39/2.18       ~ (![X0 : $i]: ( (c1_1 @ X0) | ~ (c0_1 @ X0) | ~ (c3_1 @ X0))) | 
% 11.39/2.18       ~ (![X0 : $i]: (~ (c2_1 @ X0) | ~ (c0_1 @ X0) |  (c3_1 @ X0)))),
% 11.39/2.18      inference('s_sup+', [status(thm)],
% 11.39/2.18                [zip_derived_cl2637, zip_derived_cl343])).
% 11.39/2.18  thf('121', plain,
% 11.39/2.18      (( (hskp1)) | 
% 11.39/2.18       (![X0 : $i]: ( (c2_1 @ X0) |  (c1_1 @ X0) |  (c0_1 @ X0))) | 
% 11.39/2.18       ~ ( (ndr1_0)) | ( (hskp2))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl127])).
% 11.39/2.18  thf(clause143, conjecture,
% 11.39/2.18    (~( ( hskp23 ) | ( hskp1 ) | ( c3_1 @ U ) | ( c2_1 @ U ) | 
% 11.39/2.18        ( ~( ndr1_0 ) ) | ( ~( c0_1 @ U ) ) ))).
% 11.39/2.18  thf(zf_stmt_98, negated_conjecture,
% 11.39/2.18    (( hskp23 ) | ( hskp1 ) | ( c3_1 @ U ) | ( c2_1 @ U ) | ( ~( ndr1_0 ) ) | 
% 11.39/2.18     ( ~( c0_1 @ U ) )),
% 11.39/2.18    inference('cnf.neg', [status(esa)], [clause143])).
% 11.39/2.18  thf(zip_derived_cl142, plain,
% 11.39/2.18      (![X0 : $i]:
% 11.39/2.18         ( (hskp23)
% 11.39/2.18          |  (hskp1)
% 11.39/2.18          |  (c3_1 @ X0)
% 11.39/2.18          |  (c2_1 @ X0)
% 11.39/2.18          | ~ (ndr1_0)
% 11.39/2.18          | ~ (c0_1 @ X0))),
% 11.39/2.18      inference('cnf', [status(esa)], [zf_stmt_98])).
% 11.39/2.18  thf('122', plain,
% 11.39/2.18      (( (hskp1)) | 
% 11.39/2.18       (![X0 : $i]: ( (c2_1 @ X0) | ~ (c0_1 @ X0) |  (c3_1 @ X0))) | 
% 11.39/2.18       ( (hskp23)) | ~ ( (ndr1_0))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl142])).
% 11.39/2.18  thf('123', plain, (~ ( (c1_1 @ a902)) | ~ ( (hskp1))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl123])).
% 11.39/2.18  thf(zip_derived_cl493, plain,
% 11.39/2.18      ((![X0 : $i]: ( (c1_1 @ X0) | ~ (c0_1 @ X0) | ~ (c3_1 @ X0)))
% 11.39/2.18         <= ((![X0 : $i]: ( (c1_1 @ X0) | ~ (c0_1 @ X0) | ~ (c3_1 @ X0))))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl140])).
% 11.39/2.18  thf(zip_derived_cl433, plain, ((~ (c1_1 @ a902)) <= (~ ( (c1_1 @ a902)))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl123])).
% 11.39/2.18  thf(zip_derived_cl1370, plain,
% 11.39/2.18      (((~ (c3_1 @ a902) | ~ (c0_1 @ a902)))
% 11.39/2.18         <= (~ ( (c1_1 @ a902)) & 
% 11.39/2.18             (![X0 : $i]: ( (c1_1 @ X0) | ~ (c0_1 @ X0) | ~ (c3_1 @ X0))))),
% 11.39/2.18      inference('s_sup-', [status(thm)], [zip_derived_cl493, zip_derived_cl433])).
% 11.39/2.18  thf('124', plain,
% 11.39/2.18      (~ ( (c3_1 @ a902)) | 
% 11.39/2.18       ~ (![X0 : $i]: ( (c1_1 @ X0) | ~ (c0_1 @ X0) | ~ (c3_1 @ X0))) | 
% 11.39/2.18       ( (c1_1 @ a902)) | ~ ( (c0_1 @ a902))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl1370])).
% 11.39/2.18  thf(clause80, conjecture, (~( ( c0_1 @ a902 ) | ( ~( hskp1 ) ) ))).
% 11.39/2.18  thf(zf_stmt_99, negated_conjecture, (( c0_1 @ a902 ) | ( ~( hskp1 ) )),
% 11.39/2.18    inference('cnf.neg', [status(esa)], [clause80])).
% 11.39/2.18  thf(zip_derived_cl79, plain, (( (c0_1 @ a902) | ~ (hskp1))),
% 11.39/2.18      inference('cnf', [status(esa)], [zf_stmt_99])).
% 11.39/2.18  thf('125', plain, (( (c0_1 @ a902)) | ~ ( (hskp1))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl79])).
% 11.39/2.18  thf(clause81, conjecture, (~( ( c2_1 @ a902 ) | ( ~( hskp1 ) ) ))).
% 11.39/2.18  thf(zf_stmt_100, negated_conjecture, (( c2_1 @ a902 ) | ( ~( hskp1 ) )),
% 11.39/2.18    inference('cnf.neg', [status(esa)], [clause81])).
% 11.39/2.18  thf(zip_derived_cl80, plain, (( (c2_1 @ a902) | ~ (hskp1))),
% 11.39/2.18      inference('cnf', [status(esa)], [zf_stmt_100])).
% 11.39/2.18  thf('126', plain, (( (c2_1 @ a902)) | ~ ( (hskp1))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl80])).
% 11.39/2.18  thf(zip_derived_cl548, plain,
% 11.39/2.18      ((![X0 : $i]: (~ (c2_1 @ X0) | ~ (c0_1 @ X0) |  (c3_1 @ X0)))
% 11.39/2.18         <= ((![X0 : $i]: (~ (c2_1 @ X0) | ~ (c0_1 @ X0) |  (c3_1 @ X0))))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl154])).
% 11.39/2.18  thf(zip_derived_cl347, plain, (( (c2_1 @ a902)) <= (( (c2_1 @ a902)))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl80])).
% 11.39/2.18  thf(zip_derived_cl1118, plain,
% 11.39/2.18      ((( (c3_1 @ a902) | ~ (c0_1 @ a902)))
% 11.39/2.18         <= (( (c2_1 @ a902)) & 
% 11.39/2.18             (![X0 : $i]: (~ (c2_1 @ X0) | ~ (c0_1 @ X0) |  (c3_1 @ X0))))),
% 11.39/2.18      inference('s_sup+', [status(thm)], [zip_derived_cl548, zip_derived_cl347])).
% 11.39/2.18  thf('127', plain,
% 11.39/2.18      (~ (![X0 : $i]: (~ (c2_1 @ X0) | ~ (c0_1 @ X0) |  (c3_1 @ X0))) | 
% 11.39/2.18       ( (c3_1 @ a902)) | ~ ( (c2_1 @ a902)) | ~ ( (c0_1 @ a902))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl1118])).
% 11.39/2.18  thf('128', plain, (( (c0_1 @ a903)) | ~ ( (hskp2))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl78])).
% 11.39/2.18  thf(zip_derived_cl441, plain,
% 11.39/2.18      ((![X0 : $i]: ( (c2_1 @ X0) |  (c1_1 @ X0) |  (c0_1 @ X0)))
% 11.39/2.18         <= ((![X0 : $i]: ( (c2_1 @ X0) |  (c1_1 @ X0) |  (c0_1 @ X0))))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl127])).
% 11.39/2.18  thf(zip_derived_cl355, plain, ((~ (c1_1 @ a959)) <= (~ ( (c1_1 @ a959)))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl84])).
% 11.39/2.18  thf(zip_derived_cl969, plain,
% 11.39/2.18      ((( (c0_1 @ a959) |  (c2_1 @ a959)))
% 11.39/2.18         <= (~ ( (c1_1 @ a959)) & 
% 11.39/2.18             (![X0 : $i]: ( (c2_1 @ X0) |  (c1_1 @ X0) |  (c0_1 @ X0))))),
% 11.39/2.18      inference('s_sup-', [status(thm)], [zip_derived_cl441, zip_derived_cl355])).
% 11.39/2.18  thf('129', plain,
% 11.39/2.18      (( (c1_1 @ a959)) | ( (c2_1 @ a959)) | 
% 11.39/2.18       ~ (![X0 : $i]: ( (c2_1 @ X0) |  (c1_1 @ X0) |  (c0_1 @ X0))) | 
% 11.39/2.18       ( (c0_1 @ a959))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl969])).
% 11.39/2.18  thf(clause84, conjecture, (~( ( ~( hskp24 ) ) | ( ~( c0_1 @ a959 ) ) ))).
% 11.39/2.18  thf(zf_stmt_101, negated_conjecture,
% 11.39/2.18    (( ~( hskp24 ) ) | ( ~( c0_1 @ a959 ) )),
% 11.39/2.18    inference('cnf.neg', [status(esa)], [clause84])).
% 11.39/2.18  thf(zip_derived_cl83, plain, ((~ (hskp24) | ~ (c0_1 @ a959))),
% 11.39/2.18      inference('cnf', [status(esa)], [zf_stmt_101])).
% 11.39/2.18  thf('130', plain, (~ ( (hskp24)) | ~ ( (c0_1 @ a959))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl83])).
% 11.39/2.18  thf('131', plain, (~ ( (hskp24)) | ~ ( (c1_1 @ a959))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl84])).
% 11.39/2.18  thf(clause86, conjecture, (~( ( ~( hskp24 ) ) | ( ~( c2_1 @ a959 ) ) ))).
% 11.39/2.18  thf(zf_stmt_102, negated_conjecture,
% 11.39/2.18    (( ~( hskp24 ) ) | ( ~( c2_1 @ a959 ) )),
% 11.39/2.18    inference('cnf.neg', [status(esa)], [clause86])).
% 11.39/2.18  thf(zip_derived_cl85, plain, ((~ (hskp24) | ~ (c2_1 @ a959))),
% 11.39/2.18      inference('cnf', [status(esa)], [zf_stmt_102])).
% 11.39/2.18  thf('132', plain, (~ ( (hskp24)) | ~ ( (c2_1 @ a959))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl85])).
% 11.39/2.18  thf('133', plain,
% 11.39/2.18      (( (hskp30)) | ( (hskp17)) | 
% 11.39/2.18       (![X0 : $i]: (~ (c2_1 @ X0) | ~ (c0_1 @ X0) |  (c3_1 @ X0))) | 
% 11.39/2.18       ~ ( (ndr1_0))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl154])).
% 11.39/2.18  thf('134', plain,
% 11.39/2.18      (( (hskp30)) | 
% 11.39/2.18       (![X0 : $i]: ( (c2_1 @ X0) | ~ (c1_1 @ X0) | ~ (c0_1 @ X0))) | 
% 11.39/2.18       ( (hskp24)) | ~ ( (ndr1_0))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl148])).
% 11.39/2.18  thf(zip_derived_cl287, plain, (( (c1_1 @ a954)) <= (( (c1_1 @ a954)))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl50])).
% 11.39/2.18  thf(zip_derived_cl560, plain,
% 11.39/2.18      ((![X0 : $i]: (~ (c2_1 @ X0) | ~ (c1_1 @ X0) | ~ (c3_1 @ X0)))
% 11.39/2.18         <= ((![X0 : $i]: (~ (c2_1 @ X0) | ~ (c1_1 @ X0) | ~ (c3_1 @ X0))))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl157])).
% 11.39/2.18  thf(zip_derived_cl784, plain,
% 11.39/2.18      (((~ (c2_1 @ a954) | ~ (c3_1 @ a954)))
% 11.39/2.18         <= (( (c1_1 @ a954)) & 
% 11.39/2.18             (![X0 : $i]: (~ (c2_1 @ X0) | ~ (c1_1 @ X0) | ~ (c3_1 @ X0))))),
% 11.39/2.18      inference('s_sup-', [status(thm)], [zip_derived_cl287, zip_derived_cl560])).
% 11.39/2.18  thf('135', plain,
% 11.39/2.18      (~ (![X0 : $i]: (~ (c2_1 @ X0) | ~ (c1_1 @ X0) | ~ (c3_1 @ X0))) | 
% 11.39/2.18       ~ ( (c2_1 @ a954)) | ~ ( (c1_1 @ a954)) | ~ ( (c3_1 @ a954))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl784])).
% 11.39/2.18  thf(zip_derived_cl652, plain,
% 11.39/2.18      ((![X1 : $i]: ( (c2_1 @ X1) |  (c0_1 @ X1) | ~ (c3_1 @ X1)))
% 11.39/2.18         <= ((![X1 : $i]: ( (c2_1 @ X1) |  (c0_1 @ X1) | ~ (c3_1 @ X1))))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl180])).
% 11.39/2.18  thf(zip_derived_cl357, plain, ((~ (c2_1 @ a959)) <= (~ ( (c2_1 @ a959)))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl85])).
% 11.39/2.18  thf(zip_derived_cl1858, plain,
% 11.39/2.18      (((~ (c3_1 @ a959) |  (c0_1 @ a959)))
% 11.39/2.18         <= (~ ( (c2_1 @ a959)) & 
% 11.39/2.18             (![X1 : $i]: ( (c2_1 @ X1) |  (c0_1 @ X1) | ~ (c3_1 @ X1))))),
% 11.39/2.18      inference('s_sup-', [status(thm)], [zip_derived_cl652, zip_derived_cl357])).
% 11.39/2.18  thf('136', plain,
% 11.39/2.18      (( (c0_1 @ a959)) | ~ ( (c3_1 @ a959)) | 
% 11.39/2.18       ~ (![X1 : $i]: ( (c2_1 @ X1) |  (c0_1 @ X1) | ~ (c3_1 @ X1))) | 
% 11.39/2.18       ( (c2_1 @ a959))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl1858])).
% 11.39/2.18  thf('137', plain, (~ ( (hskp17)) | ~ ( (c1_1 @ a936))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl96])).
% 11.39/2.18  thf('138', plain, (~ ( (hskp17)) | ~ ( (c2_1 @ a936))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl97])).
% 11.39/2.18  thf(clause99, conjecture, (~( ( ~( hskp17 ) ) | ( ~( c3_1 @ a936 ) ) ))).
% 11.39/2.18  thf(zf_stmt_103, negated_conjecture,
% 11.39/2.18    (( ~( hskp17 ) ) | ( ~( c3_1 @ a936 ) )),
% 11.39/2.18    inference('cnf.neg', [status(esa)], [clause99])).
% 11.39/2.18  thf(zip_derived_cl98, plain, ((~ (hskp17) | ~ (c3_1 @ a936))),
% 11.39/2.18      inference('cnf', [status(esa)], [zf_stmt_103])).
% 11.39/2.18  thf('139', plain, (~ ( (hskp17)) | ~ ( (c3_1 @ a936))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl98])).
% 11.39/2.18  thf(zip_derived_cl449, plain,
% 11.39/2.18      ((![X0 : $i]: ( (c2_1 @ X0) |  (c1_1 @ X0) |  (c3_1 @ X0)))
% 11.39/2.18         <= ((![X0 : $i]: ( (c2_1 @ X0) |  (c1_1 @ X0) |  (c3_1 @ X0))))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl129])).
% 11.39/2.18  thf(zip_derived_cl379, plain, ((~ (c1_1 @ a936)) <= (~ ( (c1_1 @ a936)))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl96])).
% 11.39/2.18  thf(zip_derived_cl1217, plain,
% 11.39/2.18      ((( (c3_1 @ a936) |  (c2_1 @ a936)))
% 11.39/2.18         <= (~ ( (c1_1 @ a936)) & 
% 11.39/2.18             (![X0 : $i]: ( (c2_1 @ X0) |  (c1_1 @ X0) |  (c3_1 @ X0))))),
% 11.39/2.18      inference('s_sup-', [status(thm)], [zip_derived_cl449, zip_derived_cl379])).
% 11.39/2.18  thf('140', plain,
% 11.39/2.18      (( (c1_1 @ a936)) | 
% 11.39/2.18       ~ (![X0 : $i]: ( (c2_1 @ X0) |  (c1_1 @ X0) |  (c3_1 @ X0))) | 
% 11.39/2.18       ( (c2_1 @ a936)) | ( (c3_1 @ a936))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl1217])).
% 11.39/2.18  thf('141', plain,
% 11.39/2.18      (( (hskp28)) | 
% 11.39/2.18       (![X0 : $i]: (~ (c2_1 @ X0) |  (c0_1 @ X0) |  (c3_1 @ X0))) | 
% 11.39/2.18       ( (hskp12)) | ~ ( (ndr1_0))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl134])).
% 11.39/2.18  thf(zip_derived_cl508, plain,
% 11.39/2.18      ((![X0 : $i]: (~ (c2_1 @ X0) | ~ (c1_1 @ X0) |  (c0_1 @ X0)))
% 11.39/2.18         <= ((![X0 : $i]: (~ (c2_1 @ X0) | ~ (c1_1 @ X0) |  (c0_1 @ X0))))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl144])).
% 11.39/2.18  thf(zip_derived_cl321, plain, (( (c1_1 @ a912)) <= (( (c1_1 @ a912)))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl67])).
% 11.39/2.18  thf(zip_derived_cl908, plain,
% 11.39/2.18      ((( (c0_1 @ a912) | ~ (c2_1 @ a912)))
% 11.39/2.18         <= (( (c1_1 @ a912)) & 
% 11.39/2.18             (![X0 : $i]: (~ (c2_1 @ X0) | ~ (c1_1 @ X0) |  (c0_1 @ X0))))),
% 11.39/2.18      inference('s_sup+', [status(thm)], [zip_derived_cl508, zip_derived_cl321])).
% 11.39/2.18  thf('142', plain,
% 11.39/2.18      (( (c0_1 @ a912)) | ~ ( (c2_1 @ a912)) | 
% 11.39/2.18       ~ (![X0 : $i]: (~ (c2_1 @ X0) | ~ (c1_1 @ X0) |  (c0_1 @ X0))) | 
% 11.39/2.18       ~ ( (c1_1 @ a912))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl908])).
% 11.39/2.18  thf(zip_derived_cl469, plain,
% 11.39/2.18      ((![X0 : $i]: (~ (c2_1 @ X0) |  (c0_1 @ X0) |  (c3_1 @ X0)))
% 11.39/2.18         <= ((![X0 : $i]: (~ (c2_1 @ X0) |  (c0_1 @ X0) |  (c3_1 @ X0))))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl134])).
% 11.39/2.18  thf(clause63, conjecture, (~( ( c2_1 @ a921 ) | ( ~( hskp13 ) ) ))).
% 11.39/2.18  thf(zf_stmt_104, negated_conjecture, (( c2_1 @ a921 ) | ( ~( hskp13 ) )),
% 11.39/2.18    inference('cnf.neg', [status(esa)], [clause63])).
% 11.39/2.18  thf(zip_derived_cl62, plain, (( (c2_1 @ a921) | ~ (hskp13))),
% 11.39/2.18      inference('cnf', [status(esa)], [zf_stmt_104])).
% 11.39/2.18  thf(zip_derived_cl311, plain, (( (c2_1 @ a921)) <= (( (c2_1 @ a921)))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl62])).
% 11.39/2.18  thf(zip_derived_cl1536, plain,
% 11.39/2.18      ((( (c3_1 @ a921) |  (c0_1 @ a921)))
% 11.39/2.18         <= (( (c2_1 @ a921)) & 
% 11.39/2.18             (![X0 : $i]: (~ (c2_1 @ X0) |  (c0_1 @ X0) |  (c3_1 @ X0))))),
% 11.39/2.18      inference('s_sup+', [status(thm)], [zip_derived_cl469, zip_derived_cl311])).
% 11.39/2.18  thf('143', plain,
% 11.39/2.18      (~ (![X0 : $i]: (~ (c2_1 @ X0) |  (c0_1 @ X0) |  (c3_1 @ X0))) | 
% 11.39/2.18       ~ ( (c2_1 @ a921)) | ( (c0_1 @ a921)) | ( (c3_1 @ a921))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl1536])).
% 11.39/2.18  thf(clause146, conjecture,
% 11.39/2.18    (~( ( hskp14 ) | ( hskp7 ) | ( c0_1 @ U ) | ( ~( ndr1_0 ) ) | 
% 11.39/2.18        ( ~( c2_1 @ U ) ) | ( ~( c1_1 @ U ) ) ))).
% 11.39/2.18  thf(zf_stmt_105, negated_conjecture,
% 11.39/2.18    (( hskp14 ) | ( hskp7 ) | ( c0_1 @ U ) | ( ~( ndr1_0 ) ) | 
% 11.39/2.18     ( ~( c2_1 @ U ) ) | ( ~( c1_1 @ U ) )),
% 11.39/2.18    inference('cnf.neg', [status(esa)], [clause146])).
% 11.39/2.18  thf(zip_derived_cl145, plain,
% 11.39/2.18      (![X0 : $i]:
% 11.39/2.18         ( (hskp14)
% 11.39/2.18          |  (hskp7)
% 11.39/2.18          |  (c0_1 @ X0)
% 11.39/2.18          | ~ (ndr1_0)
% 11.39/2.18          | ~ (c2_1 @ X0)
% 11.39/2.18          | ~ (c1_1 @ X0))),
% 11.39/2.18      inference('cnf', [status(esa)], [zf_stmt_105])).
% 11.39/2.18  thf('144', plain,
% 11.39/2.18      ((![X0 : $i]: (~ (c2_1 @ X0) | ~ (c1_1 @ X0) |  (c0_1 @ X0))) | 
% 11.39/2.18       ( (hskp14)) | ( (hskp7)) | ~ ( (ndr1_0))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl145])).
% 11.39/2.18  thf('145', plain, (( (c2_1 @ a921)) | ~ ( (hskp13))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl62])).
% 11.39/2.18  thf(clause105, conjecture, (~( ( ~( hskp13 ) ) | ( ~( c0_1 @ a921 ) ) ))).
% 11.39/2.18  thf(zf_stmt_106, negated_conjecture,
% 11.39/2.18    (( ~( hskp13 ) ) | ( ~( c0_1 @ a921 ) )),
% 11.39/2.18    inference('cnf.neg', [status(esa)], [clause105])).
% 11.39/2.18  thf(zip_derived_cl104, plain, ((~ (hskp13) | ~ (c0_1 @ a921))),
% 11.39/2.18      inference('cnf', [status(esa)], [zf_stmt_106])).
% 11.39/2.18  thf('146', plain, (~ ( (c0_1 @ a921)) | ~ ( (hskp13))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl104])).
% 11.39/2.18  thf(clause106, conjecture, (~( ( ~( hskp13 ) ) | ( ~( c3_1 @ a921 ) ) ))).
% 11.39/2.18  thf(zf_stmt_107, negated_conjecture,
% 11.39/2.18    (( ~( hskp13 ) ) | ( ~( c3_1 @ a921 ) )),
% 11.39/2.18    inference('cnf.neg', [status(esa)], [clause106])).
% 11.39/2.18  thf(zip_derived_cl105, plain, ((~ (hskp13) | ~ (c3_1 @ a921))),
% 11.39/2.18      inference('cnf', [status(esa)], [zf_stmt_107])).
% 11.39/2.18  thf('147', plain, (~ ( (c3_1 @ a921)) | ~ ( (hskp13))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl105])).
% 11.39/2.18  thf(clause103, conjecture, (~( ( ~( hskp14 ) ) | ( ~( c0_1 @ a923 ) ) ))).
% 11.39/2.18  thf(zf_stmt_108, negated_conjecture,
% 11.39/2.18    (( ~( hskp14 ) ) | ( ~( c0_1 @ a923 ) )),
% 11.39/2.18    inference('cnf.neg', [status(esa)], [clause103])).
% 11.39/2.18  thf(zip_derived_cl102, plain, ((~ (hskp14) | ~ (c0_1 @ a923))),
% 11.39/2.18      inference('cnf', [status(esa)], [zf_stmt_108])).
% 11.39/2.18  thf('148', plain, (~ ( (hskp14)) | ~ ( (c0_1 @ a923))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl102])).
% 11.39/2.18  thf(clause62, conjecture, (~( ( c3_1 @ a923 ) | ( ~( hskp14 ) ) ))).
% 11.39/2.18  thf(zf_stmt_109, negated_conjecture, (( c3_1 @ a923 ) | ( ~( hskp14 ) )),
% 11.39/2.18    inference('cnf.neg', [status(esa)], [clause62])).
% 11.39/2.18  thf(zip_derived_cl61, plain, (( (c3_1 @ a923) | ~ (hskp14))),
% 11.39/2.18      inference('cnf', [status(esa)], [zf_stmt_109])).
% 11.39/2.18  thf('149', plain, (( (c3_1 @ a923)) | ~ ( (hskp14))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl61])).
% 11.39/2.18  thf(clause104, conjecture, (~( ( ~( hskp14 ) ) | ( ~( c1_1 @ a923 ) ) ))).
% 11.39/2.18  thf(zf_stmt_110, negated_conjecture,
% 11.39/2.18    (( ~( hskp14 ) ) | ( ~( c1_1 @ a923 ) )),
% 11.39/2.18    inference('cnf.neg', [status(esa)], [clause104])).
% 11.39/2.18  thf(zip_derived_cl103, plain, ((~ (hskp14) | ~ (c1_1 @ a923))),
% 11.39/2.18      inference('cnf', [status(esa)], [zf_stmt_110])).
% 11.39/2.18  thf('150', plain, (~ ( (hskp14)) | ~ ( (c1_1 @ a923))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl103])).
% 11.39/2.18  thf(zip_derived_cl461, plain,
% 11.39/2.18      ((![X0 : $i]: ( (c1_1 @ X0) |  (c0_1 @ X0) | ~ (c3_1 @ X0)))
% 11.39/2.18         <= ((![X0 : $i]: ( (c1_1 @ X0) |  (c0_1 @ X0) | ~ (c3_1 @ X0))))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl132])).
% 11.39/2.18  thf(zip_derived_cl393, plain, ((~ (c1_1 @ a923)) <= (~ ( (c1_1 @ a923)))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl103])).
% 11.39/2.18  thf(zip_derived_cl1328, plain,
% 11.39/2.18      (((~ (c3_1 @ a923) |  (c0_1 @ a923)))
% 11.39/2.18         <= (~ ( (c1_1 @ a923)) & 
% 11.39/2.18             (![X0 : $i]: ( (c1_1 @ X0) |  (c0_1 @ X0) | ~ (c3_1 @ X0))))),
% 11.39/2.18      inference('s_sup-', [status(thm)], [zip_derived_cl461, zip_derived_cl393])).
% 11.39/2.18  thf('151', plain,
% 11.39/2.18      (( (c1_1 @ a923)) | ( (c0_1 @ a923)) | 
% 11.39/2.18       ~ (![X0 : $i]: ( (c1_1 @ X0) |  (c0_1 @ X0) | ~ (c3_1 @ X0))) | 
% 11.39/2.18       ~ ( (c3_1 @ a923))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl1328])).
% 11.39/2.18  thf('152', plain,
% 11.39/2.18      ((![X0 : $i]: (~ (c1_1 @ X0) | ~ (c0_1 @ X0) |  (c3_1 @ X0))) | 
% 11.39/2.18       ( (hskp27)) | ( (hskp13)) | ~ ( (ndr1_0))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl153])).
% 11.39/2.18  thf('153', plain,
% 11.39/2.18      ((![X0 : $i]: ( (c1_1 @ X0) |  (c0_1 @ X0) | ~ (c3_1 @ X0))) | 
% 11.39/2.18       ( (hskp6)) | ~ ( (ndr1_0)) | ( (hskp7))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl132])).
% 11.39/2.18  thf(zip_derived_cl544, plain,
% 11.39/2.18      ((![X0 : $i]: (~ (c1_1 @ X0) | ~ (c0_1 @ X0) |  (c3_1 @ X0)))
% 11.39/2.18         <= ((![X0 : $i]: (~ (c1_1 @ X0) | ~ (c0_1 @ X0) |  (c3_1 @ X0))))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl153])).
% 11.39/2.18  thf(zip_derived_cl489, plain,
% 11.39/2.18      ((![X0 : $i]: ( (c1_1 @ X0) | ~ (c0_1 @ X0) |  (c3_1 @ X0)))
% 11.39/2.18         <= ((![X0 : $i]: ( (c1_1 @ X0) | ~ (c0_1 @ X0) |  (c3_1 @ X0))))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl139])).
% 11.39/2.18  thf(zip_derived_cl1743, plain,
% 11.39/2.18      ((![X0 : $i]:
% 11.39/2.18          ( (c3_1 @ X0) | ~ (c0_1 @ X0) | ~ (c0_1 @ X0) |  (c3_1 @ X0)))
% 11.39/2.18         <= ((![X0 : $i]: ( (c1_1 @ X0) | ~ (c0_1 @ X0) |  (c3_1 @ X0))) & 
% 11.39/2.18             (![X0 : $i]: (~ (c1_1 @ X0) | ~ (c0_1 @ X0) |  (c3_1 @ X0))))),
% 11.39/2.18      inference('s_sup+', [status(thm)], [zip_derived_cl544, zip_derived_cl489])).
% 11.39/2.18  thf(zip_derived_cl1750, plain,
% 11.39/2.18      ((![X0 : $i]: (~ (c0_1 @ X0) |  (c3_1 @ X0)))
% 11.39/2.18         <= ((![X0 : $i]: ( (c1_1 @ X0) | ~ (c0_1 @ X0) |  (c3_1 @ X0))) & 
% 11.39/2.18             (![X0 : $i]: (~ (c1_1 @ X0) | ~ (c0_1 @ X0) |  (c3_1 @ X0))))),
% 11.39/2.18      inference('simplify', [status(thm)], [zip_derived_cl1743])).
% 11.39/2.18  thf(zip_derived_cl556, plain,
% 11.39/2.18      ((![X0 : $i]: (~ (c2_1 @ X0) | ~ (c0_1 @ X0) | ~ (c3_1 @ X0)))
% 11.39/2.18         <= ((![X0 : $i]: (~ (c2_1 @ X0) | ~ (c0_1 @ X0) | ~ (c3_1 @ X0))))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl156])).
% 11.39/2.18  thf(clause150, conjecture,
% 11.39/2.18    (~( ( hskp10 ) | ( hskp1 ) | ( c2_1 @ U ) | ( ~( ndr1_0 ) ) | 
% 11.39/2.18        ( ~( c3_1 @ U ) ) | ( ~( c0_1 @ U ) ) ))).
% 11.39/2.18  thf(zf_stmt_111, negated_conjecture,
% 11.39/2.18    (( hskp10 ) | ( hskp1 ) | ( c2_1 @ U ) | ( ~( ndr1_0 ) ) | 
% 11.39/2.18     ( ~( c3_1 @ U ) ) | ( ~( c0_1 @ U ) )),
% 11.39/2.18    inference('cnf.neg', [status(esa)], [clause150])).
% 11.39/2.18  thf(zip_derived_cl149, plain,
% 11.39/2.18      (![X0 : $i]:
% 11.39/2.18         ( (hskp10)
% 11.39/2.18          |  (hskp1)
% 11.39/2.18          |  (c2_1 @ X0)
% 11.39/2.18          | ~ (ndr1_0)
% 11.39/2.18          | ~ (c3_1 @ X0)
% 11.39/2.18          | ~ (c0_1 @ X0))),
% 11.39/2.18      inference('cnf', [status(esa)], [zf_stmt_111])).
% 11.39/2.18  thf(zip_derived_cl528, plain,
% 11.39/2.18      ((![X0 : $i]: ( (c2_1 @ X0) | ~ (c0_1 @ X0) | ~ (c3_1 @ X0)))
% 11.39/2.18         <= ((![X0 : $i]: ( (c2_1 @ X0) | ~ (c0_1 @ X0) | ~ (c3_1 @ X0))))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl149])).
% 11.39/2.18  thf(zip_derived_cl1417, plain,
% 11.39/2.18      ((![X0 : $i]:
% 11.39/2.18          (~ (c3_1 @ X0) | ~ (c0_1 @ X0) | ~ (c0_1 @ X0) | ~ (c3_1 @ X0)))
% 11.39/2.18         <= ((![X0 : $i]: ( (c2_1 @ X0) | ~ (c0_1 @ X0) | ~ (c3_1 @ X0))) & 
% 11.39/2.18             (![X0 : $i]: (~ (c2_1 @ X0) | ~ (c0_1 @ X0) | ~ (c3_1 @ X0))))),
% 11.39/2.18      inference('s_sup+', [status(thm)], [zip_derived_cl556, zip_derived_cl528])).
% 11.39/2.18  thf(zip_derived_cl1427, plain,
% 11.39/2.18      ((![X0 : $i]: (~ (c0_1 @ X0) | ~ (c3_1 @ X0)))
% 11.39/2.18         <= ((![X0 : $i]: ( (c2_1 @ X0) | ~ (c0_1 @ X0) | ~ (c3_1 @ X0))) & 
% 11.39/2.18             (![X0 : $i]: (~ (c2_1 @ X0) | ~ (c0_1 @ X0) | ~ (c3_1 @ X0))))),
% 11.39/2.18      inference('simplify', [status(thm)], [zip_derived_cl1417])).
% 11.39/2.18  thf(zip_derived_cl2503, plain,
% 11.39/2.18      ((![X0 : $i]: (~ (c0_1 @ X0) | ~ (c0_1 @ X0)))
% 11.39/2.18         <= ((![X0 : $i]: ( (c1_1 @ X0) | ~ (c0_1 @ X0) |  (c3_1 @ X0))) & 
% 11.39/2.18             (![X0 : $i]: ( (c2_1 @ X0) | ~ (c0_1 @ X0) | ~ (c3_1 @ X0))) & 
% 11.39/2.18             (![X0 : $i]: (~ (c1_1 @ X0) | ~ (c0_1 @ X0) |  (c3_1 @ X0))) & 
% 11.39/2.18             (![X0 : $i]: (~ (c2_1 @ X0) | ~ (c0_1 @ X0) | ~ (c3_1 @ X0))))),
% 11.39/2.18      inference('s_sup-', [status(thm)],
% 11.39/2.18                [zip_derived_cl1750, zip_derived_cl1427])).
% 11.39/2.18  thf(zip_derived_cl2542, plain,
% 11.39/2.18      ((![X0 : $i]: ~ (c0_1 @ X0))
% 11.39/2.18         <= ((![X0 : $i]: ( (c1_1 @ X0) | ~ (c0_1 @ X0) |  (c3_1 @ X0))) & 
% 11.39/2.18             (![X0 : $i]: ( (c2_1 @ X0) | ~ (c0_1 @ X0) | ~ (c3_1 @ X0))) & 
% 11.39/2.18             (![X0 : $i]: (~ (c1_1 @ X0) | ~ (c0_1 @ X0) |  (c3_1 @ X0))) & 
% 11.39/2.18             (![X0 : $i]: (~ (c2_1 @ X0) | ~ (c0_1 @ X0) | ~ (c3_1 @ X0))))),
% 11.39/2.18      inference('simplify', [status(thm)], [zip_derived_cl2503])).
% 11.39/2.18  thf(clause75, conjecture, (~( ( c0_1 @ a906 ) | ( ~( hskp5 ) ) ))).
% 11.39/2.18  thf(zf_stmt_112, negated_conjecture, (( c0_1 @ a906 ) | ( ~( hskp5 ) )),
% 11.39/2.18    inference('cnf.neg', [status(esa)], [clause75])).
% 11.39/2.18  thf(zip_derived_cl74, plain, (( (c0_1 @ a906) | ~ (hskp5))),
% 11.39/2.18      inference('cnf', [status(esa)], [zf_stmt_112])).
% 11.39/2.18  thf(zip_derived_cl335, plain, (( (c0_1 @ a906)) <= (( (c0_1 @ a906)))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl74])).
% 11.39/2.18  thf('154', plain,
% 11.39/2.18      (~ (![X0 : $i]: ( (c1_1 @ X0) | ~ (c0_1 @ X0) |  (c3_1 @ X0))) | 
% 11.39/2.18       ~ (![X0 : $i]: (~ (c2_1 @ X0) | ~ (c0_1 @ X0) | ~ (c3_1 @ X0))) | 
% 11.39/2.18       ~ (![X0 : $i]: ( (c2_1 @ X0) | ~ (c0_1 @ X0) | ~ (c3_1 @ X0))) | 
% 11.39/2.18       ~ (![X0 : $i]: (~ (c1_1 @ X0) | ~ (c0_1 @ X0) |  (c3_1 @ X0))) | 
% 11.39/2.18       ~ ( (c0_1 @ a906))),
% 11.39/2.18      inference('s_sup+', [status(thm)],
% 11.39/2.18                [zip_derived_cl2542, zip_derived_cl335])).
% 11.39/2.18  thf(clause69, conjecture, (~( ( c2_1 @ a912 ) | ( ~( hskp10 ) ) ))).
% 11.39/2.18  thf(zf_stmt_113, negated_conjecture, (( c2_1 @ a912 ) | ( ~( hskp10 ) )),
% 11.39/2.18    inference('cnf.neg', [status(esa)], [clause69])).
% 11.39/2.18  thf(zip_derived_cl68, plain, (( (c2_1 @ a912) | ~ (hskp10))),
% 11.39/2.18      inference('cnf', [status(esa)], [zf_stmt_113])).
% 11.39/2.18  thf(zip_derived_cl323, plain, (( (c2_1 @ a912)) <= (( (c2_1 @ a912)))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl68])).
% 11.39/2.18  thf(zip_derived_cl556, plain,
% 11.39/2.18      ((![X0 : $i]: (~ (c2_1 @ X0) | ~ (c0_1 @ X0) | ~ (c3_1 @ X0)))
% 11.39/2.18         <= ((![X0 : $i]: (~ (c2_1 @ X0) | ~ (c0_1 @ X0) | ~ (c3_1 @ X0))))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl156])).
% 11.39/2.18  thf(zip_derived_cl854, plain,
% 11.39/2.18      (((~ (c0_1 @ a912) | ~ (c3_1 @ a912)))
% 11.39/2.18         <= (( (c2_1 @ a912)) & 
% 11.39/2.18             (![X0 : $i]: (~ (c2_1 @ X0) | ~ (c0_1 @ X0) | ~ (c3_1 @ X0))))),
% 11.39/2.18      inference('s_sup-', [status(thm)], [zip_derived_cl323, zip_derived_cl556])).
% 11.39/2.18  thf('155', plain,
% 11.39/2.18      (~ (![X0 : $i]: (~ (c2_1 @ X0) | ~ (c0_1 @ X0) | ~ (c3_1 @ X0))) | 
% 11.39/2.18       ~ ( (c3_1 @ a912)) | ~ ( (c0_1 @ a912)) | ~ ( (c2_1 @ a912))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl854])).
% 11.39/2.18  thf(zip_derived_cl516, plain,
% 11.39/2.18      ((![X0 : $i]: (~ (c2_1 @ X0) |  (c0_1 @ X0) | ~ (c3_1 @ X0)))
% 11.39/2.18         <= ((![X0 : $i]: (~ (c2_1 @ X0) |  (c0_1 @ X0) | ~ (c3_1 @ X0))))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl146])).
% 11.39/2.18  thf(zip_derived_cl323, plain, (( (c2_1 @ a912)) <= (( (c2_1 @ a912)))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl68])).
% 11.39/2.18  thf(zip_derived_cl932, plain,
% 11.39/2.18      (((~ (c3_1 @ a912) |  (c0_1 @ a912)))
% 11.39/2.18         <= (( (c2_1 @ a912)) & 
% 11.39/2.18             (![X0 : $i]: (~ (c2_1 @ X0) |  (c0_1 @ X0) | ~ (c3_1 @ X0))))),
% 11.39/2.18      inference('s_sup+', [status(thm)], [zip_derived_cl516, zip_derived_cl323])).
% 11.39/2.18  thf('156', plain,
% 11.39/2.18      (( (c0_1 @ a912)) | ~ ( (c3_1 @ a912)) | 
% 11.39/2.18       ~ (![X0 : $i]: (~ (c2_1 @ X0) |  (c0_1 @ X0) | ~ (c3_1 @ X0))) | 
% 11.39/2.18       ~ ( (c2_1 @ a912))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl932])).
% 11.39/2.18  thf('157', plain, (( (c1_1 @ a912)) | ~ ( (hskp10))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl67])).
% 11.39/2.18  thf('158', plain, (( (c2_1 @ a912)) | ~ ( (hskp10))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl68])).
% 11.39/2.18  thf(zip_derived_cl445, plain,
% 11.39/2.18      ((![X0 : $i]: ( (c2_1 @ X0) |  (c0_1 @ X0) |  (c3_1 @ X0)))
% 11.39/2.18         <= ((![X0 : $i]: ( (c2_1 @ X0) |  (c0_1 @ X0) |  (c3_1 @ X0))))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl128])).
% 11.39/2.18  thf(clause90, conjecture, (~( ( ~( hskp21 ) ) | ( ~( c2_1 @ a946 ) ) ))).
% 11.39/2.18  thf(zf_stmt_114, negated_conjecture,
% 11.39/2.18    (( ~( hskp21 ) ) | ( ~( c2_1 @ a946 ) )),
% 11.39/2.18    inference('cnf.neg', [status(esa)], [clause90])).
% 11.39/2.18  thf(zip_derived_cl89, plain, ((~ (hskp21) | ~ (c2_1 @ a946))),
% 11.39/2.18      inference('cnf', [status(esa)], [zf_stmt_114])).
% 11.39/2.18  thf(zip_derived_cl365, plain, ((~ (c2_1 @ a946)) <= (~ ( (c2_1 @ a946)))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl89])).
% 11.39/2.18  thf(zip_derived_cl1064, plain,
% 11.39/2.18      ((( (c3_1 @ a946) |  (c0_1 @ a946)))
% 11.39/2.18         <= (~ ( (c2_1 @ a946)) & 
% 11.39/2.18             (![X0 : $i]: ( (c2_1 @ X0) |  (c0_1 @ X0) |  (c3_1 @ X0))))),
% 11.39/2.18      inference('s_sup-', [status(thm)], [zip_derived_cl445, zip_derived_cl365])).
% 11.39/2.18  thf('159', plain,
% 11.39/2.18      (~ (![X0 : $i]: ( (c2_1 @ X0) |  (c0_1 @ X0) |  (c3_1 @ X0))) | 
% 11.39/2.18       ( (c0_1 @ a946)) | ( (c2_1 @ a946)) | ( (c3_1 @ a946))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl1064])).
% 11.39/2.18  thf(clause89, conjecture, (~( ( ~( hskp21 ) ) | ( ~( c0_1 @ a946 ) ) ))).
% 11.39/2.18  thf(zf_stmt_115, negated_conjecture,
% 11.39/2.18    (( ~( hskp21 ) ) | ( ~( c0_1 @ a946 ) )),
% 11.39/2.18    inference('cnf.neg', [status(esa)], [clause89])).
% 11.39/2.18  thf(zip_derived_cl88, plain, ((~ (hskp21) | ~ (c0_1 @ a946))),
% 11.39/2.18      inference('cnf', [status(esa)], [zf_stmt_115])).
% 11.39/2.18  thf('160', plain, (~ ( (c0_1 @ a946)) | ~ ( (hskp21))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl88])).
% 11.39/2.18  thf('161', plain, (~ ( (c2_1 @ a946)) | ~ ( (hskp21))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl89])).
% 11.39/2.18  thf(clause91, conjecture, (~( ( ~( hskp21 ) ) | ( ~( c3_1 @ a946 ) ) ))).
% 11.39/2.18  thf(zf_stmt_116, negated_conjecture,
% 11.39/2.18    (( ~( hskp21 ) ) | ( ~( c3_1 @ a946 ) )),
% 11.39/2.18    inference('cnf.neg', [status(esa)], [clause91])).
% 11.39/2.18  thf(zip_derived_cl90, plain, ((~ (hskp21) | ~ (c3_1 @ a946))),
% 11.39/2.18      inference('cnf', [status(esa)], [zf_stmt_116])).
% 11.39/2.18  thf('162', plain, (~ ( (c3_1 @ a946)) | ~ ( (hskp21))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl90])).
% 11.39/2.18  thf(zip_derived_cl445, plain,
% 11.39/2.18      ((![X0 : $i]: ( (c2_1 @ X0) |  (c0_1 @ X0) |  (c3_1 @ X0)))
% 11.39/2.18         <= ((![X0 : $i]: ( (c2_1 @ X0) |  (c0_1 @ X0) |  (c3_1 @ X0))))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl128])).
% 11.39/2.18  thf(clause114, conjecture, (~( ( ~( hskp7 ) ) | ( ~( c2_1 @ a908 ) ) ))).
% 11.39/2.18  thf(zf_stmt_117, negated_conjecture, (( ~( hskp7 ) ) | ( ~( c2_1 @ a908 ) )),
% 11.39/2.18    inference('cnf.neg', [status(esa)], [clause114])).
% 11.39/2.18  thf(zip_derived_cl113, plain, ((~ (hskp7) | ~ (c2_1 @ a908))),
% 11.39/2.18      inference('cnf', [status(esa)], [zf_stmt_117])).
% 11.39/2.18  thf(zip_derived_cl413, plain, ((~ (c2_1 @ a908)) <= (~ ( (c2_1 @ a908)))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl113])).
% 11.39/2.18  thf(zip_derived_cl1058, plain,
% 11.39/2.18      ((( (c3_1 @ a908) |  (c0_1 @ a908)))
% 11.39/2.18         <= (~ ( (c2_1 @ a908)) & 
% 11.39/2.18             (![X0 : $i]: ( (c2_1 @ X0) |  (c0_1 @ X0) |  (c3_1 @ X0))))),
% 11.39/2.18      inference('s_sup-', [status(thm)], [zip_derived_cl445, zip_derived_cl413])).
% 11.39/2.18  thf('163', plain,
% 11.39/2.18      (( (c0_1 @ a908)) | ( (c2_1 @ a908)) | 
% 11.39/2.18       ~ (![X0 : $i]: ( (c2_1 @ X0) |  (c0_1 @ X0) |  (c3_1 @ X0))) | 
% 11.39/2.18       ( (c3_1 @ a908))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl1058])).
% 11.39/2.18  thf('164', plain,
% 11.39/2.18      (( (hskp27)) | ( (hskp10)) | ~ ( (ndr1_0)) | 
% 11.39/2.18       (![X0 : $i]: ( (c2_1 @ X0) |  (c0_1 @ X0) |  (c3_1 @ X0)))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl128])).
% 11.39/2.18  thf(zip_derived_cl2542, plain,
% 11.39/2.18      ((![X0 : $i]: ~ (c0_1 @ X0))
% 11.39/2.18         <= ((![X0 : $i]: ( (c1_1 @ X0) | ~ (c0_1 @ X0) |  (c3_1 @ X0))) & 
% 11.39/2.18             (![X0 : $i]: ( (c2_1 @ X0) | ~ (c0_1 @ X0) | ~ (c3_1 @ X0))) & 
% 11.39/2.18             (![X0 : $i]: (~ (c1_1 @ X0) | ~ (c0_1 @ X0) |  (c3_1 @ X0))) & 
% 11.39/2.18             (![X0 : $i]: (~ (c2_1 @ X0) | ~ (c0_1 @ X0) | ~ (c3_1 @ X0))))),
% 11.39/2.18      inference('simplify', [status(thm)], [zip_derived_cl2503])).
% 11.39/2.18  thf(zip_derived_cl1307, plain, (( (c0_1 @ a912)) <= (( (c0_1 @ a912)))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl908])).
% 11.39/2.18  thf('165', plain,
% 11.39/2.18      (~ (![X0 : $i]: (~ (c2_1 @ X0) | ~ (c0_1 @ X0) | ~ (c3_1 @ X0))) | 
% 11.39/2.18       ~ ( (c0_1 @ a912)) | 
% 11.39/2.18       ~ (![X0 : $i]: ( (c1_1 @ X0) | ~ (c0_1 @ X0) |  (c3_1 @ X0))) | 
% 11.39/2.18       ~ (![X0 : $i]: ( (c2_1 @ X0) | ~ (c0_1 @ X0) | ~ (c3_1 @ X0))) | 
% 11.39/2.18       ~ (![X0 : $i]: (~ (c1_1 @ X0) | ~ (c0_1 @ X0) |  (c3_1 @ X0)))),
% 11.39/2.18      inference('s_sup+', [status(thm)],
% 11.39/2.18                [zip_derived_cl2542, zip_derived_cl1307])).
% 11.39/2.18  thf(clause109, conjecture, (~( ( ~( hskp10 ) ) | ( ~( c0_1 @ a912 ) ) ))).
% 11.39/2.18  thf(zf_stmt_118, negated_conjecture,
% 11.39/2.18    (( ~( hskp10 ) ) | ( ~( c0_1 @ a912 ) )),
% 11.39/2.18    inference('cnf.neg', [status(esa)], [clause109])).
% 11.39/2.18  thf(zip_derived_cl108, plain, ((~ (hskp10) | ~ (c0_1 @ a912))),
% 11.39/2.18      inference('cnf', [status(esa)], [zf_stmt_118])).
% 11.39/2.18  thf('166', plain, (~ ( (hskp10)) | ~ ( (c0_1 @ a912))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl108])).
% 11.39/2.18  thf(clause47, conjecture, (~( ( c0_1 @ a979 ) | ( ~( hskp26 ) ) ))).
% 11.39/2.18  thf(zf_stmt_119, negated_conjecture, (( c0_1 @ a979 ) | ( ~( hskp26 ) )),
% 11.39/2.18    inference('cnf.neg', [status(esa)], [clause47])).
% 11.39/2.18  thf(zip_derived_cl46, plain, (( (c0_1 @ a979) | ~ (hskp26))),
% 11.39/2.18      inference('cnf', [status(esa)], [zf_stmt_119])).
% 11.39/2.18  thf('167', plain, (( (c0_1 @ a979)) | ~ ( (hskp26))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl46])).
% 11.39/2.18  thf('168', plain, (( (c1_1 @ a979)) | ~ ( (hskp26))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl47])).
% 11.39/2.18  thf(clause82, conjecture, (~( ( ~( hskp26 ) ) | ( ~( c3_1 @ a979 ) ) ))).
% 11.39/2.18  thf(zf_stmt_120, negated_conjecture,
% 11.39/2.18    (( ~( hskp26 ) ) | ( ~( c3_1 @ a979 ) )),
% 11.39/2.18    inference('cnf.neg', [status(esa)], [clause82])).
% 11.39/2.18  thf(zip_derived_cl81, plain, ((~ (hskp26) | ~ (c3_1 @ a979))),
% 11.39/2.18      inference('cnf', [status(esa)], [zf_stmt_120])).
% 11.39/2.18  thf('169', plain, (~ ( (hskp26)) | ~ ( (c3_1 @ a979))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl81])).
% 11.39/2.18  thf(zip_derived_cl544, plain,
% 11.39/2.18      ((![X0 : $i]: (~ (c1_1 @ X0) | ~ (c0_1 @ X0) |  (c3_1 @ X0)))
% 11.39/2.18         <= ((![X0 : $i]: (~ (c1_1 @ X0) | ~ (c0_1 @ X0) |  (c3_1 @ X0))))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl153])).
% 11.39/2.18  thf(zip_derived_cl281, plain, (( (c1_1 @ a979)) <= (( (c1_1 @ a979)))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl47])).
% 11.39/2.18  thf(zip_derived_cl1084, plain,
% 11.39/2.18      ((( (c3_1 @ a979) | ~ (c0_1 @ a979)))
% 11.39/2.18         <= (( (c1_1 @ a979)) & 
% 11.39/2.18             (![X0 : $i]: (~ (c1_1 @ X0) | ~ (c0_1 @ X0) |  (c3_1 @ X0))))),
% 11.39/2.18      inference('s_sup+', [status(thm)], [zip_derived_cl544, zip_derived_cl281])).
% 11.39/2.18  thf('170', plain,
% 11.39/2.18      (( (c3_1 @ a979)) | ~ ( (c1_1 @ a979)) | 
% 11.39/2.18       ~ (![X0 : $i]: (~ (c1_1 @ X0) | ~ (c0_1 @ X0) |  (c3_1 @ X0))) | 
% 11.39/2.18       ~ ( (c0_1 @ a979))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl1084])).
% 11.39/2.18  thf(zip_derived_cl465, plain,
% 11.39/2.18      ((![X0 : $i]: (~ (c1_1 @ X0) |  (c0_1 @ X0) |  (c3_1 @ X0)))
% 11.39/2.18         <= ((![X0 : $i]: (~ (c1_1 @ X0) |  (c0_1 @ X0) |  (c3_1 @ X0))))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl133])).
% 11.39/2.18  thf(zip_derived_cl321, plain, (( (c1_1 @ a912)) <= (( (c1_1 @ a912)))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl67])).
% 11.39/2.18  thf(zip_derived_cl1457, plain,
% 11.39/2.18      ((( (c3_1 @ a912) |  (c0_1 @ a912)))
% 11.39/2.18         <= (( (c1_1 @ a912)) & 
% 11.39/2.18             (![X0 : $i]: (~ (c1_1 @ X0) |  (c0_1 @ X0) |  (c3_1 @ X0))))),
% 11.39/2.18      inference('s_sup+', [status(thm)], [zip_derived_cl465, zip_derived_cl321])).
% 11.39/2.18  thf('171', plain,
% 11.39/2.18      (( (c3_1 @ a912)) | 
% 11.39/2.18       ~ (![X0 : $i]: (~ (c1_1 @ X0) |  (c0_1 @ X0) |  (c3_1 @ X0))) | 
% 11.39/2.18       ( (c0_1 @ a912)) | ~ ( (c1_1 @ a912))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl1457])).
% 11.39/2.18  thf('172', plain,
% 11.39/2.18      (( (hskp30)) | 
% 11.39/2.18       (![X0 : $i]: ( (c1_1 @ X0) | ~ (c0_1 @ X0) |  (c3_1 @ X0))) | 
% 11.39/2.18       ( (hskp7)) | ~ ( (ndr1_0))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl139])).
% 11.39/2.18  thf('173', plain, (( (c2_1 @ a942)) | ~ ( (hskp30))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl36])).
% 11.39/2.18  thf(zip_derived_cl560, plain,
% 11.39/2.18      ((![X0 : $i]: (~ (c2_1 @ X0) | ~ (c1_1 @ X0) | ~ (c3_1 @ X0)))
% 11.39/2.18         <= ((![X0 : $i]: (~ (c2_1 @ X0) | ~ (c1_1 @ X0) | ~ (c3_1 @ X0))))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl157])).
% 11.39/2.18  thf(clause36, conjecture, (~( ( c1_1 @ a942 ) | ( ~( hskp30 ) ) ))).
% 11.39/2.18  thf(zf_stmt_121, negated_conjecture, (( c1_1 @ a942 ) | ( ~( hskp30 ) )),
% 11.39/2.18    inference('cnf.neg', [status(esa)], [clause36])).
% 11.39/2.18  thf(zip_derived_cl35, plain, (( (c1_1 @ a942) | ~ (hskp30))),
% 11.39/2.18      inference('cnf', [status(esa)], [zf_stmt_121])).
% 11.39/2.18  thf(zip_derived_cl257, plain, (( (c1_1 @ a942)) <= (( (c1_1 @ a942)))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl35])).
% 11.39/2.18  thf(zip_derived_cl708, plain,
% 11.39/2.18      (((~ (c3_1 @ a942) | ~ (c2_1 @ a942)))
% 11.39/2.18         <= (( (c1_1 @ a942)) & 
% 11.39/2.18             (![X0 : $i]: (~ (c2_1 @ X0) | ~ (c1_1 @ X0) | ~ (c3_1 @ X0))))),
% 11.39/2.18      inference('s_sup+', [status(thm)], [zip_derived_cl560, zip_derived_cl257])).
% 11.39/2.18  thf('174', plain,
% 11.39/2.18      (~ (![X0 : $i]: (~ (c2_1 @ X0) | ~ (c1_1 @ X0) | ~ (c3_1 @ X0))) | 
% 11.39/2.18       ~ ( (c3_1 @ a942)) | ~ ( (c1_1 @ a942)) | ~ ( (c2_1 @ a942))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl708])).
% 11.39/2.18  thf(clause35, conjecture, (~( ( c0_1 @ a942 ) | ( ~( hskp30 ) ) ))).
% 11.39/2.18  thf(zf_stmt_122, negated_conjecture, (( c0_1 @ a942 ) | ( ~( hskp30 ) )),
% 11.39/2.18    inference('cnf.neg', [status(esa)], [clause35])).
% 11.39/2.18  thf(zip_derived_cl34, plain, (( (c0_1 @ a942) | ~ (hskp30))),
% 11.39/2.18      inference('cnf', [status(esa)], [zf_stmt_122])).
% 11.39/2.18  thf('175', plain, (( (c0_1 @ a942)) | ~ ( (hskp30))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl34])).
% 11.39/2.18  thf('176', plain, (( (c1_1 @ a942)) | ~ ( (hskp30))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl35])).
% 11.39/2.18  thf(zip_derived_cl544, plain,
% 11.39/2.18      ((![X0 : $i]: (~ (c1_1 @ X0) | ~ (c0_1 @ X0) |  (c3_1 @ X0)))
% 11.39/2.18         <= ((![X0 : $i]: (~ (c1_1 @ X0) | ~ (c0_1 @ X0) |  (c3_1 @ X0))))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl153])).
% 11.39/2.18  thf(zip_derived_cl257, plain, (( (c1_1 @ a942)) <= (( (c1_1 @ a942)))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl35])).
% 11.39/2.18  thf(zip_derived_cl1081, plain,
% 11.39/2.18      ((( (c3_1 @ a942) | ~ (c0_1 @ a942)))
% 11.39/2.18         <= (( (c1_1 @ a942)) & 
% 11.39/2.18             (![X0 : $i]: (~ (c1_1 @ X0) | ~ (c0_1 @ X0) |  (c3_1 @ X0))))),
% 11.39/2.18      inference('s_sup+', [status(thm)], [zip_derived_cl544, zip_derived_cl257])).
% 11.39/2.18  thf('177', plain,
% 11.39/2.18      (( (c3_1 @ a942)) | 
% 11.39/2.18       ~ (![X0 : $i]: (~ (c1_1 @ X0) | ~ (c0_1 @ X0) |  (c3_1 @ X0))) | 
% 11.39/2.18       ~ ( (c0_1 @ a942)) | ~ ( (c1_1 @ a942))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl1081])).
% 11.39/2.18  thf('178', plain, (( (c0_1 @ a906)) | ~ ( (hskp5))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl74])).
% 11.39/2.18  thf(zip_derived_cl524, plain,
% 11.39/2.18      ((![X0 : $i]: ( (c2_1 @ X0) | ~ (c1_1 @ X0) | ~ (c0_1 @ X0)))
% 11.39/2.18         <= ((![X0 : $i]: ( (c2_1 @ X0) | ~ (c1_1 @ X0) | ~ (c0_1 @ X0))))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl148])).
% 11.39/2.18  thf(zip_derived_cl329, plain, (( (c1_1 @ a908)) <= (( (c1_1 @ a908)))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl71])).
% 11.39/2.18  thf(zip_derived_cl990, plain,
% 11.39/2.18      (((~ (c0_1 @ a908) |  (c2_1 @ a908)))
% 11.39/2.18         <= (( (c1_1 @ a908)) & 
% 11.39/2.18             (![X0 : $i]: ( (c2_1 @ X0) | ~ (c1_1 @ X0) | ~ (c0_1 @ X0))))),
% 11.39/2.18      inference('s_sup+', [status(thm)], [zip_derived_cl524, zip_derived_cl329])).
% 11.39/2.18  thf('179', plain,
% 11.39/2.18      (( (c2_1 @ a908)) | ~ ( (c0_1 @ a908)) | 
% 11.39/2.18       ~ (![X0 : $i]: ( (c2_1 @ X0) | ~ (c1_1 @ X0) | ~ (c0_1 @ X0))) | 
% 11.39/2.18       ~ ( (c1_1 @ a908))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl990])).
% 11.39/2.18  thf('180', plain, (( (c1_1 @ a908)) | ~ ( (hskp7))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl71])).
% 11.39/2.18  thf('181', plain, (~ ( (hskp7)) | ~ ( (c2_1 @ a908))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl113])).
% 11.39/2.18  thf(clause115, conjecture, (~( ( ~( hskp7 ) ) | ( ~( c3_1 @ a908 ) ) ))).
% 11.39/2.18  thf(zf_stmt_123, negated_conjecture, (( ~( hskp7 ) ) | ( ~( c3_1 @ a908 ) )),
% 11.39/2.18    inference('cnf.neg', [status(esa)], [clause115])).
% 11.39/2.18  thf(zip_derived_cl114, plain, ((~ (hskp7) | ~ (c3_1 @ a908))),
% 11.39/2.18      inference('cnf', [status(esa)], [zf_stmt_123])).
% 11.39/2.18  thf('182', plain, (~ ( (hskp7)) | ~ ( (c3_1 @ a908))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl114])).
% 11.39/2.18  thf(zip_derived_cl465, plain,
% 11.39/2.18      ((![X0 : $i]: (~ (c1_1 @ X0) |  (c0_1 @ X0) |  (c3_1 @ X0)))
% 11.39/2.18         <= ((![X0 : $i]: (~ (c1_1 @ X0) |  (c0_1 @ X0) |  (c3_1 @ X0))))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl133])).
% 11.39/2.18  thf(zip_derived_cl329, plain, (( (c1_1 @ a908)) <= (( (c1_1 @ a908)))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl71])).
% 11.39/2.18  thf(zip_derived_cl1459, plain,
% 11.39/2.18      ((( (c3_1 @ a908) |  (c0_1 @ a908)))
% 11.39/2.18         <= (( (c1_1 @ a908)) & 
% 11.39/2.18             (![X0 : $i]: (~ (c1_1 @ X0) |  (c0_1 @ X0) |  (c3_1 @ X0))))),
% 11.39/2.18      inference('s_sup+', [status(thm)], [zip_derived_cl465, zip_derived_cl329])).
% 11.39/2.18  thf('183', plain,
% 11.39/2.18      (( (c0_1 @ a908)) | ( (c3_1 @ a908)) | 
% 11.39/2.18       ~ (![X0 : $i]: (~ (c1_1 @ X0) |  (c0_1 @ X0) |  (c3_1 @ X0))) | 
% 11.39/2.18       ~ ( (c1_1 @ a908))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl1459])).
% 11.39/2.18  thf('184', plain,
% 11.39/2.18      ((![X0 : $i]: (~ (c1_1 @ X0) |  (c0_1 @ X0) |  (c3_1 @ X0))) | 
% 11.39/2.18       ( (hskp11)) | ( (hskp6)) | ~ ( (ndr1_0))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl133])).
% 11.39/2.18  thf(clause73, conjecture, (~( ( c0_1 @ a907 ) | ( ~( hskp6 ) ) ))).
% 11.39/2.18  thf(zf_stmt_124, negated_conjecture, (( c0_1 @ a907 ) | ( ~( hskp6 ) )),
% 11.39/2.18    inference('cnf.neg', [status(esa)], [clause73])).
% 11.39/2.18  thf(zip_derived_cl72, plain, (( (c0_1 @ a907) | ~ (hskp6))),
% 11.39/2.18      inference('cnf', [status(esa)], [zf_stmt_124])).
% 11.39/2.18  thf('185', plain, (( (c0_1 @ a907)) | ~ ( (hskp6))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl72])).
% 11.39/2.18  thf('186', plain, (( (c1_1 @ a907)) | ~ ( (hskp6))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl73])).
% 11.39/2.18  thf('187', plain, (~ ( (c2_1 @ a907)) | ~ ( (hskp6))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl115])).
% 11.39/2.18  thf(zip_derived_cl524, plain,
% 11.39/2.18      ((![X0 : $i]: ( (c2_1 @ X0) | ~ (c1_1 @ X0) | ~ (c0_1 @ X0)))
% 11.39/2.18         <= ((![X0 : $i]: ( (c2_1 @ X0) | ~ (c1_1 @ X0) | ~ (c0_1 @ X0))))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl148])).
% 11.39/2.18  thf(zip_derived_cl333, plain, (( (c1_1 @ a907)) <= (( (c1_1 @ a907)))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl73])).
% 11.39/2.18  thf(zip_derived_cl991, plain,
% 11.39/2.18      (((~ (c0_1 @ a907) |  (c2_1 @ a907)))
% 11.39/2.18         <= (( (c1_1 @ a907)) & 
% 11.39/2.18             (![X0 : $i]: ( (c2_1 @ X0) | ~ (c1_1 @ X0) | ~ (c0_1 @ X0))))),
% 11.39/2.18      inference('s_sup+', [status(thm)], [zip_derived_cl524, zip_derived_cl333])).
% 11.39/2.18  thf('188', plain,
% 11.39/2.18      (~ (![X0 : $i]: ( (c2_1 @ X0) | ~ (c1_1 @ X0) | ~ (c0_1 @ X0))) | 
% 11.39/2.18       ~ ( (c1_1 @ a907)) | ( (c2_1 @ a907)) | ~ ( (c0_1 @ a907))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl991])).
% 11.39/2.18  thf('189', plain,
% 11.39/2.18      (( (hskp21)) | ( (hskp25)) | 
% 11.39/2.18       (![X0 : $i]: ( (c2_1 @ X0) | ~ (c1_1 @ X0) | ~ (c3_1 @ X0))) | 
% 11.39/2.18       ~ ( (ndr1_0))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl151])).
% 11.39/2.18  thf(clause88, conjecture, (~( ( ~( hskp22 ) ) | ( ~( c1_1 @ a949 ) ) ))).
% 11.39/2.18  thf(zf_stmt_125, negated_conjecture,
% 11.39/2.18    (( ~( hskp22 ) ) | ( ~( c1_1 @ a949 ) )),
% 11.39/2.18    inference('cnf.neg', [status(esa)], [clause88])).
% 11.39/2.18  thf(zip_derived_cl87, plain, ((~ (hskp22) | ~ (c1_1 @ a949))),
% 11.39/2.18      inference('cnf', [status(esa)], [zf_stmt_125])).
% 11.39/2.18  thf('190', plain, (~ ( (hskp22)) | ~ ( (c1_1 @ a949))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl87])).
% 11.39/2.18  thf(zip_derived_cl493, plain,
% 11.39/2.18      ((![X0 : $i]: ( (c1_1 @ X0) | ~ (c0_1 @ X0) | ~ (c3_1 @ X0)))
% 11.39/2.18         <= ((![X0 : $i]: ( (c1_1 @ X0) | ~ (c0_1 @ X0) | ~ (c3_1 @ X0))))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl140])).
% 11.39/2.18  thf(zip_derived_cl361, plain, ((~ (c1_1 @ a949)) <= (~ ( (c1_1 @ a949)))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl87])).
% 11.39/2.18  thf(zip_derived_cl1364, plain,
% 11.39/2.18      (((~ (c3_1 @ a949) | ~ (c0_1 @ a949)))
% 11.39/2.18         <= (~ ( (c1_1 @ a949)) & 
% 11.39/2.18             (![X0 : $i]: ( (c1_1 @ X0) | ~ (c0_1 @ X0) | ~ (c3_1 @ X0))))),
% 11.39/2.18      inference('s_sup-', [status(thm)], [zip_derived_cl493, zip_derived_cl361])).
% 11.39/2.18  thf('191', plain,
% 11.39/2.18      (( (c1_1 @ a949)) | ~ ( (c0_1 @ a949)) | 
% 11.39/2.18       ~ (![X0 : $i]: ( (c1_1 @ X0) | ~ (c0_1 @ X0) | ~ (c3_1 @ X0))) | 
% 11.39/2.18       ~ ( (c3_1 @ a949))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl1364])).
% 11.39/2.18  thf(clause53, conjecture, (~( ( c2_1 @ a949 ) | ( ~( hskp22 ) ) ))).
% 11.39/2.18  thf(zf_stmt_126, negated_conjecture, (( c2_1 @ a949 ) | ( ~( hskp22 ) )),
% 11.39/2.18    inference('cnf.neg', [status(esa)], [clause53])).
% 11.39/2.18  thf(zip_derived_cl52, plain, (( (c2_1 @ a949) | ~ (hskp22))),
% 11.39/2.18      inference('cnf', [status(esa)], [zf_stmt_126])).
% 11.39/2.18  thf('192', plain, (( (c2_1 @ a949)) | ~ ( (hskp22))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl52])).
% 11.39/2.18  thf(clause54, conjecture, (~( ( c3_1 @ a949 ) | ( ~( hskp22 ) ) ))).
% 11.39/2.18  thf(zf_stmt_127, negated_conjecture, (( c3_1 @ a949 ) | ( ~( hskp22 ) )),
% 11.39/2.18    inference('cnf.neg', [status(esa)], [clause54])).
% 11.39/2.18  thf(zip_derived_cl53, plain, (( (c3_1 @ a949) | ~ (hskp22))),
% 11.39/2.18      inference('cnf', [status(esa)], [zf_stmt_127])).
% 11.39/2.18  thf('193', plain, (( (c3_1 @ a949)) | ~ ( (hskp22))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl53])).
% 11.39/2.18  thf(zip_derived_cl516, plain,
% 11.39/2.18      ((![X0 : $i]: (~ (c2_1 @ X0) |  (c0_1 @ X0) | ~ (c3_1 @ X0)))
% 11.39/2.18         <= ((![X0 : $i]: (~ (c2_1 @ X0) |  (c0_1 @ X0) | ~ (c3_1 @ X0))))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl146])).
% 11.39/2.18  thf(zip_derived_cl291, plain, (( (c2_1 @ a949)) <= (( (c2_1 @ a949)))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl52])).
% 11.39/2.18  thf(zip_derived_cl927, plain,
% 11.39/2.18      (((~ (c3_1 @ a949) |  (c0_1 @ a949)))
% 11.39/2.18         <= (( (c2_1 @ a949)) & 
% 11.39/2.18             (![X0 : $i]: (~ (c2_1 @ X0) |  (c0_1 @ X0) | ~ (c3_1 @ X0))))),
% 11.39/2.18      inference('s_sup+', [status(thm)], [zip_derived_cl516, zip_derived_cl291])).
% 11.39/2.18  thf('194', plain,
% 11.39/2.18      (( (c0_1 @ a949)) | ~ ( (c2_1 @ a949)) | 
% 11.39/2.18       ~ (![X0 : $i]: (~ (c2_1 @ X0) |  (c0_1 @ X0) | ~ (c3_1 @ X0))) | 
% 11.39/2.18       ~ ( (c3_1 @ a949))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl927])).
% 11.39/2.18  thf(clause49, conjecture, (~( ( c0_1 @ a960 ) | ( ~( hskp25 ) ) ))).
% 11.39/2.18  thf(zf_stmt_128, negated_conjecture, (( c0_1 @ a960 ) | ( ~( hskp25 ) )),
% 11.39/2.18    inference('cnf.neg', [status(esa)], [clause49])).
% 11.39/2.18  thf(zip_derived_cl48, plain, (( (c0_1 @ a960) | ~ (hskp25))),
% 11.39/2.18      inference('cnf', [status(esa)], [zf_stmt_128])).
% 11.39/2.18  thf('195', plain, (( (c0_1 @ a960)) | ~ ( (hskp25))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl48])).
% 11.39/2.18  thf(clause50, conjecture, (~( ( c3_1 @ a960 ) | ( ~( hskp25 ) ) ))).
% 11.39/2.18  thf(zf_stmt_129, negated_conjecture, (( c3_1 @ a960 ) | ( ~( hskp25 ) )),
% 11.39/2.18    inference('cnf.neg', [status(esa)], [clause50])).
% 11.39/2.18  thf(zip_derived_cl49, plain, (( (c3_1 @ a960) | ~ (hskp25))),
% 11.39/2.18      inference('cnf', [status(esa)], [zf_stmt_129])).
% 11.39/2.18  thf('196', plain, (( (c3_1 @ a960)) | ~ ( (hskp25))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl49])).
% 11.39/2.18  thf(clause83, conjecture, (~( ( ~( hskp25 ) ) | ( ~( c1_1 @ a960 ) ) ))).
% 11.39/2.18  thf(zf_stmt_130, negated_conjecture,
% 11.39/2.18    (( ~( hskp25 ) ) | ( ~( c1_1 @ a960 ) )),
% 11.39/2.18    inference('cnf.neg', [status(esa)], [clause83])).
% 11.39/2.18  thf(zip_derived_cl82, plain, ((~ (hskp25) | ~ (c1_1 @ a960))),
% 11.39/2.18      inference('cnf', [status(esa)], [zf_stmt_130])).
% 11.39/2.18  thf('197', plain, (~ ( (hskp25)) | ~ ( (c1_1 @ a960))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl82])).
% 11.39/2.18  thf(zip_derived_cl493, plain,
% 11.39/2.18      ((![X0 : $i]: ( (c1_1 @ X0) | ~ (c0_1 @ X0) | ~ (c3_1 @ X0)))
% 11.39/2.18         <= ((![X0 : $i]: ( (c1_1 @ X0) | ~ (c0_1 @ X0) | ~ (c3_1 @ X0))))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl140])).
% 11.39/2.18  thf(zip_derived_cl351, plain, ((~ (c1_1 @ a960)) <= (~ ( (c1_1 @ a960)))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl82])).
% 11.39/2.18  thf(zip_derived_cl1363, plain,
% 11.39/2.18      (((~ (c3_1 @ a960) | ~ (c0_1 @ a960)))
% 11.39/2.18         <= (~ ( (c1_1 @ a960)) & 
% 11.39/2.18             (![X0 : $i]: ( (c1_1 @ X0) | ~ (c0_1 @ X0) | ~ (c3_1 @ X0))))),
% 11.39/2.18      inference('s_sup-', [status(thm)], [zip_derived_cl493, zip_derived_cl351])).
% 11.39/2.18  thf('198', plain,
% 11.39/2.18      (( (c1_1 @ a960)) | ~ ( (c0_1 @ a960)) | 
% 11.39/2.18       ~ (![X0 : $i]: ( (c1_1 @ X0) | ~ (c0_1 @ X0) | ~ (c3_1 @ X0))) | 
% 11.39/2.18       ~ ( (c3_1 @ a960))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl1363])).
% 11.39/2.18  thf('199', plain,
% 11.39/2.18      (( (hskp28)) | 
% 11.39/2.18       (![X0 : $i]: ( (c1_1 @ X0) | ~ (c0_1 @ X0) | ~ (c3_1 @ X0))) | 
% 11.39/2.18       ~ ( (ndr1_0))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl140])).
% 11.39/2.18  thf(zip_derived_cl1427, plain,
% 11.39/2.18      ((![X0 : $i]: (~ (c0_1 @ X0) | ~ (c3_1 @ X0)))
% 11.39/2.18         <= ((![X0 : $i]: ( (c2_1 @ X0) | ~ (c0_1 @ X0) | ~ (c3_1 @ X0))) & 
% 11.39/2.18             (![X0 : $i]: (~ (c2_1 @ X0) | ~ (c0_1 @ X0) | ~ (c3_1 @ X0))))),
% 11.39/2.18      inference('simplify', [status(thm)], [zip_derived_cl1417])).
% 11.39/2.18  thf(clause43, conjecture, (~( ( c3_1 @ a916 ) | ( ~( hskp28 ) ) ))).
% 11.39/2.18  thf(zf_stmt_131, negated_conjecture, (( c3_1 @ a916 ) | ( ~( hskp28 ) )),
% 11.39/2.18    inference('cnf.neg', [status(esa)], [clause43])).
% 11.39/2.18  thf(zip_derived_cl42, plain, (( (c3_1 @ a916) | ~ (hskp28))),
% 11.39/2.18      inference('cnf', [status(esa)], [zf_stmt_131])).
% 11.39/2.18  thf(zip_derived_cl271, plain, (( (c3_1 @ a916)) <= (( (c3_1 @ a916)))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl42])).
% 11.39/2.18  thf(zip_derived_cl2037, plain,
% 11.39/2.18      ((~ (c0_1 @ a916))
% 11.39/2.18         <= (( (c3_1 @ a916)) & 
% 11.39/2.18             (![X0 : $i]: ( (c2_1 @ X0) | ~ (c0_1 @ X0) | ~ (c3_1 @ X0))) & 
% 11.39/2.18             (![X0 : $i]: (~ (c2_1 @ X0) | ~ (c0_1 @ X0) | ~ (c3_1 @ X0))))),
% 11.39/2.18      inference('s_sup+', [status(thm)],
% 11.39/2.18                [zip_derived_cl1427, zip_derived_cl271])).
% 11.39/2.18  thf(clause41, conjecture, (~( ( c0_1 @ a916 ) | ( ~( hskp28 ) ) ))).
% 11.39/2.18  thf(zf_stmt_132, negated_conjecture, (( c0_1 @ a916 ) | ( ~( hskp28 ) )),
% 11.39/2.18    inference('cnf.neg', [status(esa)], [clause41])).
% 11.39/2.18  thf(zip_derived_cl40, plain, (( (c0_1 @ a916) | ~ (hskp28))),
% 11.39/2.18      inference('cnf', [status(esa)], [zf_stmt_132])).
% 11.39/2.18  thf(zip_derived_cl267, plain, (( (c0_1 @ a916)) <= (( (c0_1 @ a916)))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl40])).
% 11.39/2.18  thf('200', plain,
% 11.39/2.18      (~ (![X0 : $i]: (~ (c2_1 @ X0) | ~ (c0_1 @ X0) | ~ (c3_1 @ X0))) | 
% 11.39/2.18       ~ (![X0 : $i]: ( (c2_1 @ X0) | ~ (c0_1 @ X0) | ~ (c3_1 @ X0))) | 
% 11.39/2.18       ~ ( (c0_1 @ a916)) | ~ ( (c3_1 @ a916))),
% 11.39/2.18      inference('s_sup+', [status(thm)],
% 11.39/2.18                [zip_derived_cl2037, zip_derived_cl267])).
% 11.39/2.18  thf('201', plain,
% 11.39/2.18      ((![X0 : $i]: ( (c2_1 @ X0) |  (c1_1 @ X0) |  (c3_1 @ X0))) | 
% 11.39/2.18       ( (hskp27)) | ( (hskp11)) | ~ ( (ndr1_0))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl129])).
% 11.39/2.18  thf(clause5, conjecture, (~( ( ndr1_0 ) | ( ~( hskp26 ) ) ))).
% 11.39/2.18  thf(zf_stmt_133, negated_conjecture, (( ndr1_0 ) | ( ~( hskp26 ) )),
% 11.39/2.18    inference('cnf.neg', [status(esa)], [clause5])).
% 11.39/2.18  thf(zip_derived_cl4, plain, (( (ndr1_0) | ~ (hskp26))),
% 11.39/2.18      inference('cnf', [status(esa)], [zf_stmt_133])).
% 11.39/2.18  thf('202', plain, (( (ndr1_0)) | ~ ( (hskp26))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl4])).
% 11.39/2.18  thf(clause10, conjecture, (~( ( ndr1_0 ) | ( ~( hskp21 ) ) ))).
% 11.39/2.18  thf(zf_stmt_134, negated_conjecture, (( ndr1_0 ) | ( ~( hskp21 ) )),
% 11.39/2.18    inference('cnf.neg', [status(esa)], [clause10])).
% 11.39/2.18  thf(zip_derived_cl9, plain, (( (ndr1_0) | ~ (hskp21))),
% 11.39/2.18      inference('cnf', [status(esa)], [zf_stmt_134])).
% 11.39/2.18  thf('203', plain, (( (ndr1_0)) | ~ ( (hskp21))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl9])).
% 11.39/2.18  thf(clause26, conjecture, (~( ( ndr1_0 ) | ( ~( hskp5 ) ) ))).
% 11.39/2.18  thf(zf_stmt_135, negated_conjecture, (( ndr1_0 ) | ( ~( hskp5 ) )),
% 11.39/2.18    inference('cnf.neg', [status(esa)], [clause26])).
% 11.39/2.18  thf(zip_derived_cl25, plain, (( (ndr1_0) | ~ (hskp5))),
% 11.39/2.18      inference('cnf', [status(esa)], [zf_stmt_135])).
% 11.39/2.18  thf('204', plain, (( (ndr1_0)) | ~ ( (hskp5))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl25])).
% 11.39/2.18  thf(clause32, conjecture, (~( ( hskp21 ) | ( hskp5 ) | ( hskp26 ) ))).
% 11.39/2.18  thf(zf_stmt_136, negated_conjecture, (( hskp21 ) | ( hskp5 ) | ( hskp26 )),
% 11.39/2.18    inference('cnf.neg', [status(esa)], [clause32])).
% 11.39/2.18  thf(zip_derived_cl31, plain, (( (hskp21) |  (hskp5) |  (hskp26))),
% 11.39/2.18      inference('cnf', [status(esa)], [zf_stmt_136])).
% 11.39/2.18  thf('205', plain, (( (hskp5)) | ( (hskp26)) | ( (hskp21))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl31])).
% 11.39/2.18  thf('206', plain, (( (c0_1 @ a914)) | ~ ( (hskp11))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl65])).
% 11.39/2.18  thf('207', plain, (( (c3_1 @ a914)) | ~ ( (hskp11))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl66])).
% 11.39/2.18  thf('208', plain, (~ ( (c2_1 @ a914)) | ~ ( (hskp11))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl107])).
% 11.39/2.18  thf(zip_derived_cl528, plain,
% 11.39/2.18      ((![X0 : $i]: ( (c2_1 @ X0) | ~ (c0_1 @ X0) | ~ (c3_1 @ X0)))
% 11.39/2.18         <= ((![X0 : $i]: ( (c2_1 @ X0) | ~ (c0_1 @ X0) | ~ (c3_1 @ X0))))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl149])).
% 11.39/2.18  thf(zip_derived_cl401, plain, ((~ (c2_1 @ a914)) <= (~ ( (c2_1 @ a914)))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl107])).
% 11.39/2.18  thf(zip_derived_cl1405, plain,
% 11.39/2.18      (((~ (c3_1 @ a914) | ~ (c0_1 @ a914)))
% 11.39/2.18         <= (~ ( (c2_1 @ a914)) & 
% 11.39/2.18             (![X0 : $i]: ( (c2_1 @ X0) | ~ (c0_1 @ X0) | ~ (c3_1 @ X0))))),
% 11.39/2.18      inference('s_sup-', [status(thm)], [zip_derived_cl528, zip_derived_cl401])).
% 11.39/2.18  thf('209', plain,
% 11.39/2.18      (~ (![X0 : $i]: ( (c2_1 @ X0) | ~ (c0_1 @ X0) | ~ (c3_1 @ X0))) | 
% 11.39/2.18       ~ ( (c3_1 @ a914)) | ( (c2_1 @ a914)) | ~ ( (c0_1 @ a914))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl1405])).
% 11.39/2.18  thf(zip_derived_cl528, plain,
% 11.39/2.18      ((![X0 : $i]: ( (c2_1 @ X0) | ~ (c0_1 @ X0) | ~ (c3_1 @ X0)))
% 11.39/2.18         <= ((![X0 : $i]: ( (c2_1 @ X0) | ~ (c0_1 @ X0) | ~ (c3_1 @ X0))))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl149])).
% 11.39/2.18  thf(zip_derived_cl417, plain, ((~ (c2_1 @ a907)) <= (~ ( (c2_1 @ a907)))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl115])).
% 11.39/2.18  thf(zip_derived_cl1409, plain,
% 11.39/2.18      (((~ (c3_1 @ a907) | ~ (c0_1 @ a907)))
% 11.39/2.18         <= (~ ( (c2_1 @ a907)) & 
% 11.39/2.18             (![X0 : $i]: ( (c2_1 @ X0) | ~ (c0_1 @ X0) | ~ (c3_1 @ X0))))),
% 11.39/2.18      inference('s_sup-', [status(thm)], [zip_derived_cl528, zip_derived_cl417])).
% 11.39/2.18  thf('210', plain,
% 11.39/2.18      (~ (![X0 : $i]: ( (c2_1 @ X0) | ~ (c0_1 @ X0) | ~ (c3_1 @ X0))) | 
% 11.39/2.18       ~ ( (c3_1 @ a907)) | ~ ( (c0_1 @ a907)) | ( (c2_1 @ a907))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl1409])).
% 11.39/2.18  thf('211', plain, (( (c1_1 @ a900)) | ~ ( (hskp27))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl43])).
% 11.39/2.18  thf('212', plain, (( (c2_1 @ a900)) | ~ ( (hskp27))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl44])).
% 11.39/2.18  thf(clause46, conjecture, (~( ( c3_1 @ a900 ) | ( ~( hskp27 ) ) ))).
% 11.39/2.18  thf(zf_stmt_137, negated_conjecture, (( c3_1 @ a900 ) | ( ~( hskp27 ) )),
% 11.39/2.18    inference('cnf.neg', [status(esa)], [clause46])).
% 11.39/2.18  thf(zip_derived_cl45, plain, (( (c3_1 @ a900) | ~ (hskp27))),
% 11.39/2.18      inference('cnf', [status(esa)], [zf_stmt_137])).
% 11.39/2.18  thf('213', plain, (( (c3_1 @ a900)) | ~ ( (hskp27))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl45])).
% 11.39/2.18  thf(zip_derived_cl273, plain, (( (c1_1 @ a900)) <= (( (c1_1 @ a900)))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl43])).
% 11.39/2.18  thf(zip_derived_cl560, plain,
% 11.39/2.18      ((![X0 : $i]: (~ (c2_1 @ X0) | ~ (c1_1 @ X0) | ~ (c3_1 @ X0)))
% 11.39/2.18         <= ((![X0 : $i]: (~ (c2_1 @ X0) | ~ (c1_1 @ X0) | ~ (c3_1 @ X0))))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl157])).
% 11.39/2.18  thf(zip_derived_cl727, plain,
% 11.39/2.18      (((~ (c2_1 @ a900) | ~ (c3_1 @ a900)))
% 11.39/2.18         <= (( (c1_1 @ a900)) & 
% 11.39/2.18             (![X0 : $i]: (~ (c2_1 @ X0) | ~ (c1_1 @ X0) | ~ (c3_1 @ X0))))),
% 11.39/2.18      inference('s_sup-', [status(thm)], [zip_derived_cl273, zip_derived_cl560])).
% 11.39/2.18  thf('214', plain,
% 11.39/2.18      (~ (![X0 : $i]: (~ (c2_1 @ X0) | ~ (c1_1 @ X0) | ~ (c3_1 @ X0))) | 
% 11.39/2.18       ~ ( (c1_1 @ a900)) | ~ ( (c2_1 @ a900)) | ~ ( (c3_1 @ a900))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl727])).
% 11.39/2.18  thf(zip_derived_cl347, plain, (( (c2_1 @ a902)) <= (( (c2_1 @ a902)))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl80])).
% 11.39/2.18  thf(zip_derived_cl556, plain,
% 11.39/2.18      ((![X0 : $i]: (~ (c2_1 @ X0) | ~ (c0_1 @ X0) | ~ (c3_1 @ X0)))
% 11.39/2.18         <= ((![X0 : $i]: (~ (c2_1 @ X0) | ~ (c0_1 @ X0) | ~ (c3_1 @ X0))))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl156])).
% 11.39/2.18  thf(zip_derived_cl894, plain,
% 11.39/2.18      (((~ (c0_1 @ a902) | ~ (c3_1 @ a902)))
% 11.39/2.18         <= (( (c2_1 @ a902)) & 
% 11.39/2.18             (![X0 : $i]: (~ (c2_1 @ X0) | ~ (c0_1 @ X0) | ~ (c3_1 @ X0))))),
% 11.39/2.18      inference('s_sup-', [status(thm)], [zip_derived_cl347, zip_derived_cl556])).
% 11.39/2.18  thf('215', plain,
% 11.39/2.18      (~ (![X0 : $i]: (~ (c2_1 @ X0) | ~ (c0_1 @ X0) | ~ (c3_1 @ X0))) | 
% 11.39/2.18       ~ ( (c3_1 @ a902)) | ~ ( (c2_1 @ a902)) | ~ ( (c0_1 @ a902))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl894])).
% 11.39/2.18  thf('216', plain, (( (c0_1 @ a916)) | ~ ( (hskp28))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl40])).
% 11.39/2.18  thf('217', plain, (( (c1_1 @ a916)) | ~ ( (hskp28))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl41])).
% 11.39/2.18  thf('218', plain, (( (c3_1 @ a916)) | ~ ( (hskp28))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl42])).
% 11.39/2.18  thf(zip_derived_cl611, plain,
% 11.39/2.18      ((![X1 : $i]: (~ (c1_1 @ X1) | ~ (c0_1 @ X1) | ~ (c3_1 @ X1)))
% 11.39/2.18         <= ((![X1 : $i]: (~ (c1_1 @ X1) | ~ (c0_1 @ X1) | ~ (c3_1 @ X1))))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl170])).
% 11.39/2.18  thf(zip_derived_cl269, plain, (( (c1_1 @ a916)) <= (( (c1_1 @ a916)))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl41])).
% 11.39/2.18  thf(zip_derived_cl749, plain,
% 11.39/2.18      (((~ (c3_1 @ a916) | ~ (c0_1 @ a916)))
% 11.39/2.18         <= (( (c1_1 @ a916)) & 
% 11.39/2.18             (![X1 : $i]: (~ (c1_1 @ X1) | ~ (c0_1 @ X1) | ~ (c3_1 @ X1))))),
% 11.39/2.18      inference('s_sup+', [status(thm)], [zip_derived_cl611, zip_derived_cl269])).
% 11.39/2.18  thf('219', plain,
% 11.39/2.18      (~ (![X1 : $i]: (~ (c1_1 @ X1) | ~ (c0_1 @ X1) | ~ (c3_1 @ X1))) | 
% 11.39/2.18       ~ ( (c0_1 @ a916)) | ~ ( (c3_1 @ a916)) | ~ ( (c1_1 @ a916))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl749])).
% 11.39/2.18  thf(clause164, conjecture,
% 11.39/2.18    (~( ( hskp5 ) | ( c3_1 @ V ) | ( c0_1 @ V ) | ( c0_1 @ U ) | 
% 11.39/2.18        ( ~( c2_1 @ V ) ) | ( ~( ndr1_0 ) ) | ( ~( c3_1 @ U ) ) | 
% 11.39/2.18        ( ~( c2_1 @ U ) ) ))).
% 11.39/2.18  thf(zf_stmt_138, negated_conjecture,
% 11.39/2.18    (( hskp5 ) | ( c3_1 @ V ) | ( c0_1 @ V ) | ( c0_1 @ U ) | 
% 11.39/2.18     ( ~( c2_1 @ V ) ) | ( ~( ndr1_0 ) ) | ( ~( c3_1 @ U ) ) | 
% 11.39/2.18     ( ~( c2_1 @ U ) )),
% 11.39/2.18    inference('cnf.neg', [status(esa)], [clause164])).
% 11.39/2.18  thf(zip_derived_cl163, plain,
% 11.39/2.18      (![X0 : $i, X1 : $i]:
% 11.39/2.18         ( (hskp5)
% 11.39/2.18          |  (c3_1 @ X0)
% 11.39/2.18          |  (c0_1 @ X0)
% 11.39/2.18          |  (c0_1 @ X1)
% 11.39/2.18          | ~ (c2_1 @ X0)
% 11.39/2.18          | ~ (ndr1_0)
% 11.39/2.18          | ~ (c3_1 @ X1)
% 11.39/2.18          | ~ (c2_1 @ X1))),
% 11.39/2.18      inference('cnf', [status(esa)], [zf_stmt_138])).
% 11.39/2.18  thf('220', plain,
% 11.39/2.18      ((![X0 : $i]: (~ (c2_1 @ X0) |  (c0_1 @ X0) | ~ (c3_1 @ X0))) | 
% 11.39/2.18       (![X0 : $i]: (~ (c2_1 @ X0) |  (c0_1 @ X0) |  (c3_1 @ X0))) | 
% 11.39/2.18       ~ ( (ndr1_0)) | ( (hskp5))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl163])).
% 11.39/2.18  thf(zip_derived_cl524, plain,
% 11.39/2.18      ((![X0 : $i]: ( (c2_1 @ X0) | ~ (c1_1 @ X0) | ~ (c0_1 @ X0)))
% 11.39/2.18         <= ((![X0 : $i]: ( (c2_1 @ X0) | ~ (c1_1 @ X0) | ~ (c0_1 @ X0))))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl148])).
% 11.39/2.18  thf(zip_derived_cl287, plain, (( (c1_1 @ a954)) <= (( (c1_1 @ a954)))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl50])).
% 11.39/2.18  thf(zip_derived_cl984, plain,
% 11.39/2.18      (((~ (c0_1 @ a954) |  (c2_1 @ a954)))
% 11.39/2.18         <= (( (c1_1 @ a954)) & 
% 11.39/2.18             (![X0 : $i]: ( (c2_1 @ X0) | ~ (c1_1 @ X0) | ~ (c0_1 @ X0))))),
% 11.39/2.18      inference('s_sup+', [status(thm)], [zip_derived_cl524, zip_derived_cl287])).
% 11.39/2.18  thf(zip_derived_cl3021, plain, (( (c2_1 @ a954)) <= (( (c2_1 @ a954)))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl984])).
% 11.39/2.18  thf(zip_derived_cl516, plain,
% 11.39/2.18      ((![X0 : $i]: (~ (c2_1 @ X0) |  (c0_1 @ X0) | ~ (c3_1 @ X0)))
% 11.39/2.18         <= ((![X0 : $i]: (~ (c2_1 @ X0) |  (c0_1 @ X0) | ~ (c3_1 @ X0))))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl146])).
% 11.39/2.18  thf(zip_derived_cl3024, plain,
% 11.39/2.18      ((( (c0_1 @ a954) | ~ (c3_1 @ a954)))
% 11.39/2.18         <= ((![X0 : $i]: (~ (c2_1 @ X0) |  (c0_1 @ X0) | ~ (c3_1 @ X0))) & 
% 11.39/2.18             ( (c2_1 @ a954)))),
% 11.39/2.18      inference('s_sup-', [status(thm)],
% 11.39/2.18                [zip_derived_cl3021, zip_derived_cl516])).
% 11.39/2.18  thf('221', plain,
% 11.39/2.18      (( (c0_1 @ a954)) | ~ ( (c2_1 @ a954)) | 
% 11.39/2.18       ~ (![X0 : $i]: (~ (c2_1 @ X0) |  (c0_1 @ X0) | ~ (c3_1 @ X0))) | 
% 11.39/2.18       ~ ( (c3_1 @ a954))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl3024])).
% 11.39/2.18  thf('222', plain, (( (c1_1 @ a954)) | ~ ( (hskp23))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl50])).
% 11.39/2.18  thf(clause52, conjecture, (~( ( c3_1 @ a954 ) | ( ~( hskp23 ) ) ))).
% 11.39/2.18  thf(zf_stmt_139, negated_conjecture, (( c3_1 @ a954 ) | ( ~( hskp23 ) )),
% 11.39/2.18    inference('cnf.neg', [status(esa)], [clause52])).
% 11.39/2.18  thf(zip_derived_cl51, plain, (( (c3_1 @ a954) | ~ (hskp23))),
% 11.39/2.18      inference('cnf', [status(esa)], [zf_stmt_139])).
% 11.39/2.18  thf('223', plain, (( (c3_1 @ a954)) | ~ ( (hskp23))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl51])).
% 11.39/2.18  thf(clause87, conjecture, (~( ( ~( hskp23 ) ) | ( ~( c0_1 @ a954 ) ) ))).
% 11.39/2.18  thf(zf_stmt_140, negated_conjecture,
% 11.39/2.18    (( ~( hskp23 ) ) | ( ~( c0_1 @ a954 ) )),
% 11.39/2.18    inference('cnf.neg', [status(esa)], [clause87])).
% 11.39/2.18  thf(zip_derived_cl86, plain, ((~ (hskp23) | ~ (c0_1 @ a954))),
% 11.39/2.18      inference('cnf', [status(esa)], [zf_stmt_140])).
% 11.39/2.18  thf('224', plain, (~ ( (hskp23)) | ~ ( (c0_1 @ a954))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl86])).
% 11.39/2.18  thf(zip_derived_cl536, plain,
% 11.39/2.18      ((![X0 : $i]: ( (c2_1 @ X0) | ~ (c1_1 @ X0) | ~ (c3_1 @ X0)))
% 11.39/2.18         <= ((![X0 : $i]: ( (c2_1 @ X0) | ~ (c1_1 @ X0) | ~ (c3_1 @ X0))))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl151])).
% 11.39/2.18  thf(zip_derived_cl287, plain, (( (c1_1 @ a954)) <= (( (c1_1 @ a954)))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl50])).
% 11.39/2.18  thf(zip_derived_cl1012, plain,
% 11.39/2.18      (((~ (c3_1 @ a954) |  (c2_1 @ a954)))
% 11.39/2.18         <= (( (c1_1 @ a954)) & 
% 11.39/2.18             (![X0 : $i]: ( (c2_1 @ X0) | ~ (c1_1 @ X0) | ~ (c3_1 @ X0))))),
% 11.39/2.18      inference('s_sup+', [status(thm)], [zip_derived_cl536, zip_derived_cl287])).
% 11.39/2.18  thf('225', plain,
% 11.39/2.18      (~ (![X0 : $i]: ( (c2_1 @ X0) | ~ (c1_1 @ X0) | ~ (c3_1 @ X0))) | 
% 11.39/2.18       ( (c2_1 @ a954)) | ~ ( (c1_1 @ a954)) | ~ ( (c3_1 @ a954))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl1012])).
% 11.39/2.18  thf(zip_derived_cl496, plain,
% 11.39/2.18      ((![X0 : $i]: ( (c2_1 @ X0) | ~ (c0_1 @ X0) |  (c3_1 @ X0)))
% 11.39/2.18         <= ((![X0 : $i]: ( (c2_1 @ X0) | ~ (c0_1 @ X0) |  (c3_1 @ X0))))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl141])).
% 11.39/2.18  thf(zip_derived_cl281, plain, (( (c1_1 @ a979)) <= (( (c1_1 @ a979)))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl47])).
% 11.39/2.18  thf(zip_derived_cl560, plain,
% 11.39/2.18      ((![X0 : $i]: (~ (c2_1 @ X0) | ~ (c1_1 @ X0) | ~ (c3_1 @ X0)))
% 11.39/2.18         <= ((![X0 : $i]: (~ (c2_1 @ X0) | ~ (c1_1 @ X0) | ~ (c3_1 @ X0))))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl157])).
% 11.39/2.18  thf(zip_derived_cl764, plain,
% 11.39/2.18      (((~ (c2_1 @ a979) | ~ (c3_1 @ a979)))
% 11.39/2.18         <= (( (c1_1 @ a979)) & 
% 11.39/2.18             (![X0 : $i]: (~ (c2_1 @ X0) | ~ (c1_1 @ X0) | ~ (c3_1 @ X0))))),
% 11.39/2.18      inference('s_sup-', [status(thm)], [zip_derived_cl281, zip_derived_cl560])).
% 11.39/2.18  thf(zip_derived_cl773, plain, ((~ (c2_1 @ a979)) <= (~ ( (c2_1 @ a979)))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl764])).
% 11.39/2.18  thf(zip_derived_cl1766, plain,
% 11.39/2.18      ((( (c3_1 @ a979) | ~ (c0_1 @ a979)))
% 11.39/2.18         <= (~ ( (c2_1 @ a979)) & 
% 11.39/2.18             (![X0 : $i]: ( (c2_1 @ X0) | ~ (c0_1 @ X0) |  (c3_1 @ X0))))),
% 11.39/2.18      inference('s_sup-', [status(thm)], [zip_derived_cl496, zip_derived_cl773])).
% 11.39/2.18  thf('226', plain,
% 11.39/2.18      (( (c2_1 @ a979)) | ( (c3_1 @ a979)) | 
% 11.39/2.18       ~ (![X0 : $i]: ( (c2_1 @ X0) | ~ (c0_1 @ X0) |  (c3_1 @ X0))) | 
% 11.39/2.18       ~ ( (c0_1 @ a979))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl1766])).
% 11.39/2.18  thf(clause64, conjecture, (~( ( c1_1 @ a917 ) | ( ~( hskp12 ) ) ))).
% 11.39/2.18  thf(zf_stmt_141, negated_conjecture, (( c1_1 @ a917 ) | ( ~( hskp12 ) )),
% 11.39/2.18    inference('cnf.neg', [status(esa)], [clause64])).
% 11.39/2.18  thf(zip_derived_cl63, plain, (( (c1_1 @ a917) | ~ (hskp12))),
% 11.39/2.18      inference('cnf', [status(esa)], [zf_stmt_141])).
% 11.39/2.18  thf('227', plain, (( (c1_1 @ a917)) | ~ ( (hskp12))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl63])).
% 11.39/2.18  thf(clause65, conjecture, (~( ( c3_1 @ a917 ) | ( ~( hskp12 ) ) ))).
% 11.39/2.18  thf(zf_stmt_142, negated_conjecture, (( c3_1 @ a917 ) | ( ~( hskp12 ) )),
% 11.39/2.18    inference('cnf.neg', [status(esa)], [clause65])).
% 11.39/2.18  thf(zip_derived_cl64, plain, (( (c3_1 @ a917) | ~ (hskp12))),
% 11.39/2.18      inference('cnf', [status(esa)], [zf_stmt_142])).
% 11.39/2.18  thf('228', plain, (( (c3_1 @ a917)) | ~ ( (hskp12))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl64])).
% 11.39/2.18  thf(clause107, conjecture, (~( ( ~( hskp12 ) ) | ( ~( c2_1 @ a917 ) ) ))).
% 11.39/2.18  thf(zf_stmt_143, negated_conjecture,
% 11.39/2.18    (( ~( hskp12 ) ) | ( ~( c2_1 @ a917 ) )),
% 11.39/2.18    inference('cnf.neg', [status(esa)], [clause107])).
% 11.39/2.18  thf(zip_derived_cl106, plain, ((~ (hskp12) | ~ (c2_1 @ a917))),
% 11.39/2.18      inference('cnf', [status(esa)], [zf_stmt_143])).
% 11.39/2.18  thf('229', plain, (~ ( (c2_1 @ a917)) | ~ ( (hskp12))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl106])).
% 11.39/2.18  thf(zip_derived_cl536, plain,
% 11.39/2.18      ((![X0 : $i]: ( (c2_1 @ X0) | ~ (c1_1 @ X0) | ~ (c3_1 @ X0)))
% 11.39/2.18         <= ((![X0 : $i]: ( (c2_1 @ X0) | ~ (c1_1 @ X0) | ~ (c3_1 @ X0))))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl151])).
% 11.39/2.18  thf(zip_derived_cl313, plain, (( (c1_1 @ a917)) <= (( (c1_1 @ a917)))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl63])).
% 11.39/2.18  thf(zip_derived_cl1015, plain,
% 11.39/2.18      (((~ (c3_1 @ a917) |  (c2_1 @ a917)))
% 11.39/2.18         <= (( (c1_1 @ a917)) & 
% 11.39/2.18             (![X0 : $i]: ( (c2_1 @ X0) | ~ (c1_1 @ X0) | ~ (c3_1 @ X0))))),
% 11.39/2.18      inference('s_sup+', [status(thm)], [zip_derived_cl536, zip_derived_cl313])).
% 11.39/2.18  thf('230', plain,
% 11.39/2.18      (~ (![X0 : $i]: ( (c2_1 @ X0) | ~ (c1_1 @ X0) | ~ (c3_1 @ X0))) | 
% 11.39/2.18       ~ ( (c1_1 @ a917)) | ( (c2_1 @ a917)) | ~ ( (c3_1 @ a917))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl1015])).
% 11.39/2.18  thf('231', plain,
% 11.39/2.18      (( (hskp12)) | ( (hskp11)) | 
% 11.39/2.18       (![X0 : $i]: (~ (c2_1 @ X0) | ~ (c1_1 @ X0) | ~ (c3_1 @ X0))) | 
% 11.39/2.18       ~ ( (ndr1_0))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl157])).
% 11.39/2.18  thf(clause163, conjecture,
% 11.39/2.18    (~( ( c3_1 @ V ) | ( c2_1 @ V ) | ( c2_1 @ U ) | ( ~( c1_1 @ V ) ) | 
% 11.39/2.18        ( ~( ndr1_0 ) ) | ( ~( c3_1 @ U ) ) | ( ~( c1_1 @ U ) ) ))).
% 11.39/2.18  thf(zf_stmt_144, negated_conjecture,
% 11.39/2.18    (( c3_1 @ V ) | ( c2_1 @ V ) | ( c2_1 @ U ) | ( ~( c1_1 @ V ) ) | 
% 11.39/2.18     ( ~( ndr1_0 ) ) | ( ~( c3_1 @ U ) ) | ( ~( c1_1 @ U ) )),
% 11.39/2.18    inference('cnf.neg', [status(esa)], [clause163])).
% 11.39/2.18  thf(zip_derived_cl162, plain,
% 11.39/2.18      (![X0 : $i, X1 : $i]:
% 11.39/2.18         ( (c3_1 @ X0)
% 11.39/2.18          |  (c2_1 @ X0)
% 11.39/2.18          |  (c2_1 @ X1)
% 11.39/2.18          | ~ (c1_1 @ X0)
% 11.39/2.18          | ~ (ndr1_0)
% 11.39/2.18          | ~ (c3_1 @ X1)
% 11.39/2.18          | ~ (c1_1 @ X1))),
% 11.39/2.18      inference('cnf', [status(esa)], [zf_stmt_144])).
% 11.39/2.18  thf('232', plain,
% 11.39/2.18      ((![X0 : $i]: ( (c2_1 @ X0) | ~ (c1_1 @ X0) |  (c3_1 @ X0))) | 
% 11.39/2.18       (![X0 : $i]: ( (c2_1 @ X0) | ~ (c1_1 @ X0) | ~ (c3_1 @ X0))) | 
% 11.39/2.18       ~ ( (ndr1_0))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl162])).
% 11.39/2.18  thf('233', plain,
% 11.39/2.18      ((![X0 : $i]: ( (c2_1 @ X0) | ~ (c1_1 @ X0) |  (c3_1 @ X0)))),
% 11.39/2.18      inference('sat_resolution*', [status(thm)],
% 11.39/2.18                ['1', '2', '3', '4', '5', '6', '7', '8', '9', '10', '11', 
% 11.39/2.18                 '12', '13', '14', '15', '16', '17', '18', '19', '20', '21', 
% 11.39/2.18                 '22', '23', '24', '25', '26', '27', '28', '29', '30', '31', 
% 11.39/2.18                 '32', '33', '34', '35', '36', '37', '38', '39', '40', '41', 
% 11.39/2.18                 '42', '43', '44', '45', '46', '47', '48', '49', '50', '51', 
% 11.39/2.18                 '52', '53', '54', '55', '56', '57', '58', '59', '60', '61', 
% 11.39/2.18                 '62', '63', '64', '65', '66', '67', '68', '69', '70', '71', 
% 11.39/2.18                 '72', '73', '74', '75', '76', '77', '78', '79', '80', '81', 
% 11.39/2.18                 '82', '83', '84', '85', '86', '87', '88', '89', '90', '91', 
% 11.39/2.18                 '92', '93', '94', '95', '96', '97', '98', '99', '100', '101', 
% 11.39/2.18                 '102', '103', '104', '105', '106', '107', '108', '109', 
% 11.39/2.18                 '110', '111', '112', '113', '114', '115', '116', '117', 
% 11.39/2.18                 '118', '119', '120', '121', '122', '123', '124', '125', 
% 11.39/2.18                 '126', '127', '128', '129', '130', '131', '132', '133', 
% 11.39/2.18                 '134', '135', '136', '137', '138', '139', '140', '141', 
% 11.39/2.18                 '142', '143', '144', '145', '146', '147', '148', '149', 
% 11.39/2.18                 '150', '151', '152', '153', '154', '155', '156', '157', 
% 11.39/2.18                 '158', '159', '160', '161', '162', '163', '164', '165', 
% 11.39/2.18                 '166', '167', '168', '169', '170', '171', '172', '173', 
% 11.39/2.18                 '174', '175', '176', '177', '178', '179', '180', '181', 
% 11.39/2.18                 '182', '183', '184', '185', '186', '187', '188', '189', 
% 11.39/2.18                 '190', '191', '192', '193', '194', '195', '196', '197', 
% 11.39/2.18                 '198', '199', '200', '201', '202', '203', '204', '205', 
% 11.39/2.18                 '206', '207', '208', '209', '210', '211', '212', '213', 
% 11.39/2.18                 '214', '215', '216', '217', '218', '219', '220', '221', 
% 11.39/2.18                 '222', '223', '224', '225', '226', '227', '228', '229', 
% 11.39/2.18                 '230', '231', '232'])).
% 11.39/2.18  thf(zip_derived_cl9770, plain,
% 11.39/2.18      ((![X0 : $i]: (~ (c0_1 @ X0) |  (c2_1 @ X0) |  (c3_1 @ X0)))
% 11.39/2.18         <= ((![X0 : $i]: ( (c1_1 @ X0) | ~ (c0_1 @ X0) |  (c3_1 @ X0))))),
% 11.39/2.18      inference('simpl_trail', [status(thm)], [zip_derived_cl1748, '233'])).
% 11.39/2.18  thf(zip_derived_cl417, plain, ((~ (c2_1 @ a907)) <= (~ ( (c2_1 @ a907)))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl115])).
% 11.39/2.18  thf(zip_derived_cl9953, plain,
% 11.39/2.18      ((( (c3_1 @ a907) | ~ (c0_1 @ a907)))
% 11.39/2.18         <= (~ ( (c2_1 @ a907)) & 
% 11.39/2.18             (![X0 : $i]: ( (c1_1 @ X0) | ~ (c0_1 @ X0) |  (c3_1 @ X0))))),
% 11.39/2.18      inference('s_sup-', [status(thm)],
% 11.39/2.18                [zip_derived_cl9770, zip_derived_cl417])).
% 11.39/2.18  thf('234', plain,
% 11.39/2.18      (( (c3_1 @ a907)) | ( (c2_1 @ a907)) | 
% 11.39/2.18       ~ (![X0 : $i]: ( (c1_1 @ X0) | ~ (c0_1 @ X0) |  (c3_1 @ X0))) | 
% 11.39/2.18       ~ ( (c0_1 @ a907))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl9953])).
% 11.39/2.18  thf(zip_derived_cl552, plain,
% 11.39/2.18      ((![X0 : $i]: (~ (c2_1 @ X0) | ~ (c1_1 @ X0) |  (c3_1 @ X0)))
% 11.39/2.18         <= ((![X0 : $i]: (~ (c2_1 @ X0) | ~ (c1_1 @ X0) |  (c3_1 @ X0))))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl155])).
% 11.39/2.18  thf(zip_derived_cl327, plain, (( (c1_1 @ a909)) <= (( (c1_1 @ a909)))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl70])).
% 11.39/2.18  thf(zip_derived_cl1144, plain,
% 11.39/2.18      ((( (c3_1 @ a909) | ~ (c2_1 @ a909)))
% 11.39/2.18         <= (( (c1_1 @ a909)) & 
% 11.39/2.18             (![X0 : $i]: (~ (c2_1 @ X0) | ~ (c1_1 @ X0) |  (c3_1 @ X0))))),
% 11.39/2.18      inference('s_sup+', [status(thm)], [zip_derived_cl552, zip_derived_cl327])).
% 11.39/2.18  thf('235', plain,
% 11.39/2.18      (~ ( (c2_1 @ a909)) | ( (c3_1 @ a909)) | 
% 11.39/2.18       ~ (![X0 : $i]: (~ (c2_1 @ X0) | ~ (c1_1 @ X0) |  (c3_1 @ X0))) | 
% 11.39/2.18       ~ ( (c1_1 @ a909))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl1144])).
% 11.39/2.18  thf(zip_derived_cl552, plain,
% 11.39/2.18      ((![X0 : $i]: (~ (c2_1 @ X0) | ~ (c1_1 @ X0) |  (c3_1 @ X0)))
% 11.39/2.18         <= ((![X0 : $i]: (~ (c2_1 @ X0) | ~ (c1_1 @ X0) |  (c3_1 @ X0))))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl155])).
% 11.39/2.18  thf(zip_derived_cl321, plain, (( (c1_1 @ a912)) <= (( (c1_1 @ a912)))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl67])).
% 11.39/2.18  thf(zip_derived_cl1143, plain,
% 11.39/2.18      ((( (c3_1 @ a912) | ~ (c2_1 @ a912)))
% 11.39/2.18         <= (( (c1_1 @ a912)) & 
% 11.39/2.18             (![X0 : $i]: (~ (c2_1 @ X0) | ~ (c1_1 @ X0) |  (c3_1 @ X0))))),
% 11.39/2.18      inference('s_sup+', [status(thm)], [zip_derived_cl552, zip_derived_cl321])).
% 11.39/2.18  thf('236', plain,
% 11.39/2.18      (( (c3_1 @ a912)) | ~ ( (c2_1 @ a912)) | 
% 11.39/2.18       ~ (![X0 : $i]: (~ (c2_1 @ X0) | ~ (c1_1 @ X0) |  (c3_1 @ X0))) | 
% 11.39/2.18       ~ ( (c1_1 @ a912))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl1143])).
% 11.39/2.18  thf(zip_derived_cl592, plain,
% 11.39/2.18      ((![X0 : $i]: (~ (c2_1 @ X0) |  (c1_1 @ X0) | ~ (c0_1 @ X0)))
% 11.39/2.18         <= ((![X0 : $i]: (~ (c2_1 @ X0) |  (c1_1 @ X0) | ~ (c0_1 @ X0))))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl165])).
% 11.39/2.18  thf(zip_derived_cl437, plain, ((~ (c1_1 @ a901)) <= (~ ( (c1_1 @ a901)))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl125])).
% 11.39/2.18  thf(zip_derived_cl1507, plain,
% 11.39/2.18      (((~ (c0_1 @ a901) | ~ (c2_1 @ a901)))
% 11.39/2.18         <= (~ ( (c1_1 @ a901)) & 
% 11.39/2.18             (![X0 : $i]: (~ (c2_1 @ X0) |  (c1_1 @ X0) | ~ (c0_1 @ X0))))),
% 11.39/2.18      inference('s_sup-', [status(thm)], [zip_derived_cl592, zip_derived_cl437])).
% 11.39/2.18  thf(zip_derived_cl2066, plain, ((~ (c2_1 @ a901)) <= (~ ( (c2_1 @ a901)))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl1507])).
% 11.39/2.18  thf(zip_derived_cl445, plain,
% 11.39/2.18      ((![X0 : $i]: ( (c2_1 @ X0) |  (c0_1 @ X0) |  (c3_1 @ X0)))
% 11.39/2.18         <= ((![X0 : $i]: ( (c2_1 @ X0) |  (c0_1 @ X0) |  (c3_1 @ X0))))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl128])).
% 11.39/2.18  thf(zip_derived_cl2068, plain,
% 11.39/2.18      ((( (c0_1 @ a901) |  (c3_1 @ a901)))
% 11.39/2.18         <= (~ ( (c2_1 @ a901)) & 
% 11.39/2.18             (![X0 : $i]: ( (c2_1 @ X0) |  (c0_1 @ X0) |  (c3_1 @ X0))))),
% 11.39/2.18      inference('s_sup+', [status(thm)],
% 11.39/2.18                [zip_derived_cl2066, zip_derived_cl445])).
% 11.39/2.18  thf('237', plain,
% 11.39/2.18      (( (c2_1 @ a901)) | ( (c0_1 @ a901)) | 
% 11.39/2.18       ~ (![X0 : $i]: ( (c2_1 @ X0) |  (c0_1 @ X0) |  (c3_1 @ X0))) | 
% 11.39/2.18       ( (c3_1 @ a901))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl2068])).
% 11.39/2.18  thf(zip_derived_cl1750, plain,
% 11.39/2.18      ((![X0 : $i]: (~ (c0_1 @ X0) |  (c3_1 @ X0)))
% 11.39/2.18         <= ((![X0 : $i]: ( (c1_1 @ X0) | ~ (c0_1 @ X0) |  (c3_1 @ X0))) & 
% 11.39/2.18             (![X0 : $i]: (~ (c1_1 @ X0) | ~ (c0_1 @ X0) |  (c3_1 @ X0))))),
% 11.39/2.18      inference('simplify', [status(thm)], [zip_derived_cl1743])).
% 11.39/2.18  thf(zip_derived_cl419, plain, ((~ (c3_1 @ a906)) <= (~ ( (c3_1 @ a906)))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl116])).
% 11.39/2.18  thf(zip_derived_cl2528, plain,
% 11.39/2.18      ((~ (c0_1 @ a906))
% 11.39/2.18         <= (~ ( (c3_1 @ a906)) & 
% 11.39/2.18             (![X0 : $i]: ( (c1_1 @ X0) | ~ (c0_1 @ X0) |  (c3_1 @ X0))) & 
% 11.39/2.18             (![X0 : $i]: (~ (c1_1 @ X0) | ~ (c0_1 @ X0) |  (c3_1 @ X0))))),
% 11.39/2.18      inference('s_sup-', [status(thm)],
% 11.39/2.18                [zip_derived_cl1750, zip_derived_cl419])).
% 11.39/2.18  thf(zip_derived_cl335, plain, (( (c0_1 @ a906)) <= (( (c0_1 @ a906)))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl74])).
% 11.39/2.18  thf('238', plain,
% 11.39/2.18      (~ (![X0 : $i]: (~ (c1_1 @ X0) | ~ (c0_1 @ X0) |  (c3_1 @ X0))) | 
% 11.39/2.18       ~ (![X0 : $i]: ( (c1_1 @ X0) | ~ (c0_1 @ X0) |  (c3_1 @ X0))) | 
% 11.39/2.18       ~ ( (c0_1 @ a906)) | ( (c3_1 @ a906))),
% 11.39/2.18      inference('s_sup+', [status(thm)],
% 11.39/2.18                [zip_derived_cl2528, zip_derived_cl335])).
% 11.39/2.18  thf(zip_derived_cl333, plain, (( (c1_1 @ a907)) <= (( (c1_1 @ a907)))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl73])).
% 11.39/2.18  thf(zip_derived_cl611, plain,
% 11.39/2.18      ((![X1 : $i]: (~ (c1_1 @ X1) | ~ (c0_1 @ X1) | ~ (c3_1 @ X1)))
% 11.39/2.18         <= ((![X1 : $i]: (~ (c1_1 @ X1) | ~ (c0_1 @ X1) | ~ (c3_1 @ X1))))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl170])).
% 11.39/2.18  thf(zip_derived_cl869, plain,
% 11.39/2.18      (((~ (c0_1 @ a907) | ~ (c3_1 @ a907)))
% 11.39/2.18         <= (( (c1_1 @ a907)) & 
% 11.39/2.18             (![X1 : $i]: (~ (c1_1 @ X1) | ~ (c0_1 @ X1) | ~ (c3_1 @ X1))))),
% 11.39/2.18      inference('s_sup-', [status(thm)], [zip_derived_cl333, zip_derived_cl611])).
% 11.39/2.18  thf('239', plain,
% 11.39/2.18      (~ (![X1 : $i]: (~ (c1_1 @ X1) | ~ (c0_1 @ X1) | ~ (c3_1 @ X1))) | 
% 11.39/2.18       ~ ( (c3_1 @ a907)) | ~ ( (c0_1 @ a907)) | ~ ( (c1_1 @ a907))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl869])).
% 11.39/2.18  thf(zip_derived_cl592, plain,
% 11.39/2.18      ((![X0 : $i]: (~ (c2_1 @ X0) |  (c1_1 @ X0) | ~ (c0_1 @ X0)))
% 11.39/2.18         <= ((![X0 : $i]: (~ (c2_1 @ X0) |  (c1_1 @ X0) | ~ (c0_1 @ X0))))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl165])).
% 11.39/2.18  thf(zip_derived_cl393, plain, ((~ (c1_1 @ a923)) <= (~ ( (c1_1 @ a923)))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl103])).
% 11.39/2.18  thf(zip_derived_cl1501, plain,
% 11.39/2.18      (((~ (c0_1 @ a923) | ~ (c2_1 @ a923)))
% 11.39/2.18         <= (~ ( (c1_1 @ a923)) & 
% 11.39/2.18             (![X0 : $i]: (~ (c2_1 @ X0) |  (c1_1 @ X0) | ~ (c0_1 @ X0))))),
% 11.39/2.18      inference('s_sup-', [status(thm)], [zip_derived_cl592, zip_derived_cl393])).
% 11.39/2.18  thf(zip_derived_cl1976, plain, ((~ (c2_1 @ a923)) <= (~ ( (c2_1 @ a923)))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl1501])).
% 11.39/2.18  thf(zip_derived_cl652, plain,
% 11.39/2.18      ((![X1 : $i]: ( (c2_1 @ X1) |  (c0_1 @ X1) | ~ (c3_1 @ X1)))
% 11.39/2.18         <= ((![X1 : $i]: ( (c2_1 @ X1) |  (c0_1 @ X1) | ~ (c3_1 @ X1))))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl180])).
% 11.39/2.18  thf(zip_derived_cl1981, plain,
% 11.39/2.18      ((( (c0_1 @ a923) | ~ (c3_1 @ a923)))
% 11.39/2.18         <= (~ ( (c2_1 @ a923)) & 
% 11.39/2.18             (![X1 : $i]: ( (c2_1 @ X1) |  (c0_1 @ X1) | ~ (c3_1 @ X1))))),
% 11.39/2.18      inference('s_sup+', [status(thm)],
% 11.39/2.18                [zip_derived_cl1976, zip_derived_cl652])).
% 11.39/2.18  thf('240', plain,
% 11.39/2.18      (( (c2_1 @ a923)) | ( (c0_1 @ a923)) | 
% 11.39/2.18       ~ (![X1 : $i]: ( (c2_1 @ X1) |  (c0_1 @ X1) | ~ (c3_1 @ X1))) | 
% 11.39/2.18       ~ ( (c3_1 @ a923))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl1981])).
% 11.39/2.18  thf(zip_derived_cl441, plain,
% 11.39/2.18      ((![X0 : $i]: ( (c2_1 @ X0) |  (c1_1 @ X0) |  (c0_1 @ X0)))
% 11.39/2.18         <= ((![X0 : $i]: ( (c2_1 @ X0) |  (c1_1 @ X0) |  (c0_1 @ X0))))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl127])).
% 11.39/2.18  thf(zip_derived_cl393, plain, ((~ (c1_1 @ a923)) <= (~ ( (c1_1 @ a923)))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl103])).
% 11.39/2.18  thf(zip_derived_cl965, plain,
% 11.39/2.18      ((( (c0_1 @ a923) |  (c2_1 @ a923)))
% 11.39/2.18         <= (~ ( (c1_1 @ a923)) & 
% 11.39/2.18             (![X0 : $i]: ( (c2_1 @ X0) |  (c1_1 @ X0) |  (c0_1 @ X0))))),
% 11.39/2.18      inference('s_sup-', [status(thm)], [zip_derived_cl441, zip_derived_cl393])).
% 11.39/2.18  thf('241', plain,
% 11.39/2.18      (( (c2_1 @ a923)) | 
% 11.39/2.18       ~ (![X0 : $i]: ( (c2_1 @ X0) |  (c1_1 @ X0) |  (c0_1 @ X0))) | 
% 11.39/2.18       ( (c1_1 @ a923)) | ( (c0_1 @ a923))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl965])).
% 11.39/2.18  thf(zip_derived_cl2784, plain, (( (c2_1 @ a923)) <= (( (c2_1 @ a923)))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl965])).
% 11.39/2.18  thf(zip_derived_cl516, plain,
% 11.39/2.18      ((![X0 : $i]: (~ (c2_1 @ X0) |  (c0_1 @ X0) | ~ (c3_1 @ X0)))
% 11.39/2.18         <= ((![X0 : $i]: (~ (c2_1 @ X0) |  (c0_1 @ X0) | ~ (c3_1 @ X0))))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl146])).
% 11.39/2.18  thf(zip_derived_cl2787, plain,
% 11.39/2.18      ((( (c0_1 @ a923) | ~ (c3_1 @ a923)))
% 11.39/2.18         <= ((![X0 : $i]: (~ (c2_1 @ X0) |  (c0_1 @ X0) | ~ (c3_1 @ X0))) & 
% 11.39/2.18             ( (c2_1 @ a923)))),
% 11.39/2.18      inference('s_sup-', [status(thm)],
% 11.39/2.18                [zip_derived_cl2784, zip_derived_cl516])).
% 11.39/2.18  thf('242', plain,
% 11.39/2.18      (~ (![X0 : $i]: (~ (c2_1 @ X0) |  (c0_1 @ X0) | ~ (c3_1 @ X0))) | 
% 11.39/2.18       ~ ( (c2_1 @ a923)) | ( (c0_1 @ a923)) | ~ ( (c3_1 @ a923))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl2787])).
% 11.39/2.18  thf(zip_derived_cl611, plain,
% 11.39/2.18      ((![X1 : $i]: (~ (c1_1 @ X1) | ~ (c0_1 @ X1) | ~ (c3_1 @ X1)))
% 11.39/2.18         <= ((![X1 : $i]: (~ (c1_1 @ X1) | ~ (c0_1 @ X1) | ~ (c3_1 @ X1))))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl170])).
% 11.39/2.18  thf(zip_derived_cl273, plain, (( (c1_1 @ a900)) <= (( (c1_1 @ a900)))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl43])).
% 11.39/2.18  thf(zip_derived_cl750, plain,
% 11.39/2.18      (((~ (c3_1 @ a900) | ~ (c0_1 @ a900)))
% 11.39/2.18         <= (( (c1_1 @ a900)) & 
% 11.39/2.18             (![X1 : $i]: (~ (c1_1 @ X1) | ~ (c0_1 @ X1) | ~ (c3_1 @ X1))))),
% 11.39/2.18      inference('s_sup+', [status(thm)], [zip_derived_cl611, zip_derived_cl273])).
% 11.39/2.18  thf('243', plain,
% 11.39/2.18      (~ (![X1 : $i]: (~ (c1_1 @ X1) | ~ (c0_1 @ X1) | ~ (c3_1 @ X1))) | 
% 11.39/2.18       ~ ( (c0_1 @ a900)) | ~ ( (c3_1 @ a900)) | ~ ( (c1_1 @ a900))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl750])).
% 11.39/2.18  thf(zip_derived_cl508, plain,
% 11.39/2.18      ((![X0 : $i]: (~ (c2_1 @ X0) | ~ (c1_1 @ X0) |  (c0_1 @ X0)))
% 11.39/2.18         <= ((![X0 : $i]: (~ (c2_1 @ X0) | ~ (c1_1 @ X0) |  (c0_1 @ X0))))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl144])).
% 11.39/2.18  thf(zip_derived_cl327, plain, (( (c1_1 @ a909)) <= (( (c1_1 @ a909)))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl70])).
% 11.39/2.18  thf(zip_derived_cl909, plain,
% 11.39/2.18      ((( (c0_1 @ a909) | ~ (c2_1 @ a909)))
% 11.39/2.18         <= (( (c1_1 @ a909)) & 
% 11.39/2.18             (![X0 : $i]: (~ (c2_1 @ X0) | ~ (c1_1 @ X0) |  (c0_1 @ X0))))),
% 11.39/2.18      inference('s_sup+', [status(thm)], [zip_derived_cl508, zip_derived_cl327])).
% 11.39/2.18  thf('244', plain,
% 11.39/2.18      (( (c0_1 @ a909)) | ~ ( (c2_1 @ a909)) | 
% 11.39/2.18       ~ (![X0 : $i]: (~ (c2_1 @ X0) | ~ (c1_1 @ X0) |  (c0_1 @ X0))) | 
% 11.39/2.18       ~ ( (c1_1 @ a909))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl909])).
% 11.39/2.18  thf('245', plain,
% 11.39/2.18      (~ ( (c0_1 @ a939)) | ( (c1_1 @ a939)) | 
% 11.39/2.18       ~ (![X0 : $i]: ( (c1_1 @ X0) | ~ (c0_1 @ X0) |  (c3_1 @ X0))) | 
% 11.39/2.18       ( (c3_1 @ a939))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl1730])).
% 11.39/2.18  thf('246', plain,
% 11.39/2.18      ((![X0 : $i]: ( (c1_1 @ X0) | ~ (c0_1 @ X0) |  (c3_1 @ X0))) | 
% 11.39/2.18       (![X0 : $i]: ( (c2_1 @ X0) |  (c1_1 @ X0) |  (c0_1 @ X0))) | 
% 11.39/2.18       ~ ( (ndr1_0)) | 
% 11.39/2.18       (![X0 : $i]: (~ (c2_1 @ X0) |  (c0_1 @ X0) |  (c3_1 @ X0)))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl178])).
% 11.39/2.18  thf('247', plain,
% 11.39/2.18      (~ (![X0 : $i]: (~ (c2_1 @ X0) |  (c0_1 @ X0) |  (c3_1 @ X0))) | 
% 11.39/2.18       ( (c0_1 @ a910)) | ( (c3_1 @ a910)) | ~ ( (c2_1 @ a910))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl1538])).
% 11.39/2.18  thf('248', plain, (( (hskp14)) | ( (hskp4)) | ( (hskp20))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl32])).
% 11.39/2.18  thf('249', plain,
% 11.39/2.18      (( (c0_1 @ a937)) | 
% 11.39/2.18       ~ (![X0 : $i]: ( (c2_1 @ X0) |  (c0_1 @ X0) |  (c3_1 @ X0))) | 
% 11.39/2.18       ( (c2_1 @ a937)) | ( (c3_1 @ a937))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl1052])).
% 11.39/2.18  thf('250', plain, (~ ( (c2_1 @ a937)) | ~ ( (hskp18))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl95])).
% 11.39/2.18  thf('251', plain,
% 11.39/2.18      (( (hskp18)) | ( (hskp19)) | ~ ( (ndr1_0)) | 
% 11.39/2.18       (![X0 : $i]: ( (c2_1 @ X0) |  (c1_1 @ X0) | ~ (c0_1 @ X0)))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl137])).
% 11.39/2.18  thf('252', plain,
% 11.39/2.18      (~ ( (c2_1 @ a954)) | ( (c0_1 @ a954)) | 
% 11.39/2.18       ~ (![X0 : $i]: (~ (c2_1 @ X0) |  (c0_1 @ X0) | ~ (c3_1 @ X0))) | 
% 11.39/2.18       ~ ( (c3_1 @ a954))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl3024])).
% 11.39/2.18  thf(zip_derived_cl504, plain,
% 11.39/2.18      ((![X0 : $i]: ( (c2_1 @ X0) | ~ (c1_1 @ X0) |  (c3_1 @ X0)))
% 11.39/2.18         <= ((![X0 : $i]: ( (c2_1 @ X0) | ~ (c1_1 @ X0) |  (c3_1 @ X0))))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl143])).
% 11.39/2.18  thf(zip_derived_cl327, plain, (( (c1_1 @ a909)) <= (( (c1_1 @ a909)))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl70])).
% 11.39/2.18  thf(zip_derived_cl1585, plain,
% 11.39/2.18      ((( (c3_1 @ a909) |  (c2_1 @ a909)))
% 11.39/2.18         <= (( (c1_1 @ a909)) & 
% 11.39/2.18             (![X0 : $i]: ( (c2_1 @ X0) | ~ (c1_1 @ X0) |  (c3_1 @ X0))))),
% 11.39/2.18      inference('s_sup+', [status(thm)], [zip_derived_cl504, zip_derived_cl327])).
% 11.39/2.18  thf('253', plain,
% 11.39/2.18      (( (c2_1 @ a909)) | ( (c3_1 @ a909)) | 
% 11.39/2.18       ~ (![X0 : $i]: ( (c2_1 @ X0) | ~ (c1_1 @ X0) |  (c3_1 @ X0))) | 
% 11.39/2.18       ~ ( (c1_1 @ a909))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl1585])).
% 11.39/2.18  thf(zip_derived_cl469, plain,
% 11.39/2.18      ((![X0 : $i]: (~ (c2_1 @ X0) |  (c0_1 @ X0) |  (c3_1 @ X0)))
% 11.39/2.18         <= ((![X0 : $i]: (~ (c2_1 @ X0) |  (c0_1 @ X0) |  (c3_1 @ X0))))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl134])).
% 11.39/2.18  thf(zip_derived_cl323, plain, (( (c2_1 @ a912)) <= (( (c2_1 @ a912)))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl68])).
% 11.39/2.18  thf(zip_derived_cl1537, plain,
% 11.39/2.18      ((( (c3_1 @ a912) |  (c0_1 @ a912)))
% 11.39/2.18         <= (( (c2_1 @ a912)) & 
% 11.39/2.18             (![X0 : $i]: (~ (c2_1 @ X0) |  (c0_1 @ X0) |  (c3_1 @ X0))))),
% 11.39/2.18      inference('s_sup+', [status(thm)], [zip_derived_cl469, zip_derived_cl323])).
% 11.39/2.18  thf('254', plain,
% 11.39/2.18      (~ (![X0 : $i]: (~ (c2_1 @ X0) |  (c0_1 @ X0) |  (c3_1 @ X0))) | 
% 11.39/2.18       ~ ( (c2_1 @ a912)) | ( (c0_1 @ a912)) | ( (c3_1 @ a912))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl1537])).
% 11.39/2.18  thf('255', plain,
% 11.39/2.18      (( (hskp13)) | 
% 11.39/2.18       (![X0 : $i]: (~ (c2_1 @ X0) |  (c0_1 @ X0) | ~ (c3_1 @ X0))) | 
% 11.39/2.18       ( (hskp7)) | ~ ( (ndr1_0))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl147])).
% 11.39/2.18  thf(clause172, conjecture,
% 11.39/2.18    (~( ( hskp9 ) | ( c3_1 @ V ) | ( c1_1 @ V ) | ( ~( c0_1 @ V ) ) | 
% 11.39/2.18        ( ~( ndr1_0 ) ) | ( ~( c3_1 @ U ) ) | ( ~( c2_1 @ U ) ) | 
% 11.39/2.18        ( ~( c0_1 @ U ) ) ))).
% 11.39/2.18  thf(zf_stmt_145, negated_conjecture,
% 11.39/2.18    (( hskp9 ) | ( c3_1 @ V ) | ( c1_1 @ V ) | ( ~( c0_1 @ V ) ) | 
% 11.39/2.18     ( ~( ndr1_0 ) ) | ( ~( c3_1 @ U ) ) | ( ~( c2_1 @ U ) ) | 
% 11.39/2.18     ( ~( c0_1 @ U ) )),
% 11.39/2.18    inference('cnf.neg', [status(esa)], [clause172])).
% 11.39/2.18  thf(zip_derived_cl171, plain,
% 11.39/2.18      (![X0 : $i, X1 : $i]:
% 11.39/2.18         ( (hskp9)
% 11.39/2.18          |  (c3_1 @ X0)
% 11.39/2.18          |  (c1_1 @ X0)
% 11.39/2.18          | ~ (c0_1 @ X0)
% 11.39/2.18          | ~ (ndr1_0)
% 11.39/2.18          | ~ (c3_1 @ X1)
% 11.39/2.18          | ~ (c2_1 @ X1)
% 11.39/2.18          | ~ (c0_1 @ X1))),
% 11.39/2.18      inference('cnf', [status(esa)], [zf_stmt_145])).
% 11.39/2.18  thf('256', plain,
% 11.39/2.18      ((![X0 : $i]: ( (c1_1 @ X0) | ~ (c0_1 @ X0) |  (c3_1 @ X0))) | 
% 11.39/2.18       ( (hskp9)) | 
% 11.39/2.18       (![X0 : $i]: (~ (c2_1 @ X0) | ~ (c0_1 @ X0) | ~ (c3_1 @ X0))) | 
% 11.39/2.18       ~ ( (ndr1_0))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl171])).
% 11.39/2.18  thf('257', plain,
% 11.39/2.18      (( (c0_1 @ a926)) | 
% 11.39/2.18       ~ (![X0 : $i]: (~ (c1_1 @ X0) |  (c0_1 @ X0) |  (c3_1 @ X0))) | 
% 11.39/2.18       ( (c3_1 @ a926)) | ~ ( (c1_1 @ a926))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl1455])).
% 11.39/2.18  thf('258', plain,
% 11.39/2.18      (~ ( (c3_1 @ a912)) | ( (c0_1 @ a912)) | 
% 11.39/2.18       ~ (![X1 : $i]: (~ (c1_1 @ X1) |  (c0_1 @ X1) | ~ (c3_1 @ X1))) | 
% 11.39/2.18       ~ ( (c1_1 @ a912))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl1169])).
% 11.39/2.18  thf('259', plain,
% 11.39/2.18      (( (hskp27)) | 
% 11.39/2.18       (![X1 : $i]: (~ (c1_1 @ X1) |  (c0_1 @ X1) | ~ (c3_1 @ X1))) | 
% 11.39/2.18       ~ ( (ndr1_0)) | 
% 11.39/2.18       (![X0 : $i]: ( (c2_1 @ X0) |  (c1_1 @ X0) |  (c0_1 @ X0)))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl159])).
% 11.39/2.18  thf('260', plain, (~ ( (c0_1 @ a954)) | ~ ( (hskp23))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl86])).
% 11.39/2.18  thf('261', plain,
% 11.39/2.18      (~ ( (c1_1 @ a954)) | ( (c0_1 @ a954)) | 
% 11.39/2.18       ~ (![X1 : $i]: (~ (c1_1 @ X1) |  (c0_1 @ X1) | ~ (c3_1 @ X1))) | 
% 11.39/2.18       ~ ( (c3_1 @ a954))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl1165])).
% 11.39/2.18  thf('262', plain,
% 11.39/2.18      (~ ( (c0_1 @ a926)) | 
% 11.39/2.18       ~ (![X0 : $i]: (~ (c2_1 @ X0) | ~ (c0_1 @ X0) |  (c3_1 @ X0))) | 
% 11.39/2.18       ( (c3_1 @ a926)) | ~ ( (c2_1 @ a926))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl1112])).
% 11.39/2.18  thf('263', plain, (~ ( (c0_1 @ a909)) | ~ ( (hskp8))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl111])).
% 11.39/2.18  thf('264', plain, (~ ( (c3_1 @ a909)) | ~ ( (hskp8))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl112])).
% 11.39/2.18  thf('265', plain,
% 11.39/2.18      ((![X1 : $i]: (~ (c1_1 @ X1) |  (c0_1 @ X1) | ~ (c3_1 @ X1))) | 
% 11.39/2.18       (![X0 : $i]: ( (c2_1 @ X0) |  (c0_1 @ X0) |  (c3_1 @ X0))) | 
% 11.39/2.18       ~ ( (ndr1_0)) | ( (hskp8))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl161])).
% 11.39/2.18  thf('266', plain,
% 11.39/2.18      ((![X0 : $i]: (~ (c2_1 @ X0) | ~ (c1_1 @ X0) |  (c3_1 @ X0))) | 
% 11.39/2.18       (![X0 : $i]: ( (c2_1 @ X0) |  (c1_1 @ X0) |  (c0_1 @ X0))) | 
% 11.39/2.18       ~ ( (ndr1_0)) | 
% 11.39/2.18       (![X0 : $i]: (~ (c2_1 @ X0) | ~ (c0_1 @ X0) |  (c3_1 @ X0)))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl181])).
% 11.39/2.18  thf('267', plain,
% 11.39/2.18      (~ ( (c1_1 @ a926)) | ( (c3_1 @ a926)) | 
% 11.39/2.18       ~ (![X0 : $i]: (~ (c2_1 @ X0) | ~ (c1_1 @ X0) |  (c3_1 @ X0))) | 
% 11.39/2.18       ~ ( (c2_1 @ a926))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl1141])).
% 11.39/2.18  thf('268', plain,
% 11.39/2.18      (( (hskp5)) | 
% 11.39/2.18       (![X0 : $i]: ( (c1_1 @ X0) |  (c0_1 @ X0) | ~ (c3_1 @ X0))) | 
% 11.39/2.18       (![X0 : $i]: (~ (c2_1 @ X0) | ~ (c1_1 @ X0) | ~ (c3_1 @ X0))) | 
% 11.39/2.18       ~ ( (ndr1_0))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl169])).
% 11.39/2.18  thf('269', plain,
% 11.39/2.18      (~ (![X0 : $i]: ( (c1_1 @ X0) |  (c0_1 @ X0) | ~ (c3_1 @ X0))) | 
% 11.39/2.18       ~ ( (c3_1 @ a924)) | ( (c0_1 @ a924)) | ( (c1_1 @ a924))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl1327])).
% 11.39/2.18  thf('270', plain,
% 11.39/2.18      (( (c3_1 @ a924)) | 
% 11.39/2.18       ~ (![X1 : $i]: (~ (c2_1 @ X1) |  (c1_1 @ X1) |  (c3_1 @ X1))) | 
% 11.39/2.18       ( (c1_1 @ a924)) | ~ ( (c2_1 @ a924))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl1885])).
% 11.39/2.18  thf('271', plain,
% 11.39/2.18      (( (hskp15)) | 
% 11.39/2.18       (![X0 : $i]: (~ (c2_1 @ X0) | ~ (c1_1 @ X0) | ~ (c3_1 @ X0))) | 
% 11.39/2.18       (![X0 : $i]: (~ (c2_1 @ X0) |  (c0_1 @ X0) | ~ (c3_1 @ X0))) | 
% 11.39/2.18       ~ ( (ndr1_0))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl176])).
% 11.39/2.18  thf('272', plain,
% 11.39/2.18      (( (c0_1 @ a900)) | 
% 11.39/2.18       ~ (![X0 : $i]: (~ (c2_1 @ X0) | ~ (c1_1 @ X0) |  (c0_1 @ X0))) | 
% 11.39/2.18       ~ ( (c1_1 @ a900)) | ~ ( (c2_1 @ a900))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl902])).
% 11.39/2.18  thf('273', plain,
% 11.39/2.18      (~ (![X0 : $i]: (~ (c1_1 @ X0) | ~ (c0_1 @ X0) |  (c3_1 @ X0))) | 
% 11.39/2.18       ~ ( (c0_1 @ a926)) | ( (c3_1 @ a926)) | ~ ( (c1_1 @ a926))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl1087])).
% 11.39/2.18  thf('274', plain, (~ ( (c3_1 @ a926)) | ~ ( (hskp16))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl99])).
% 11.39/2.18  thf('275', plain,
% 11.39/2.18      (( (hskp16)) | ( (hskp28)) | 
% 11.39/2.18       (![X0 : $i]: (~ (c2_1 @ X0) |  (c0_1 @ X0) | ~ (c3_1 @ X0))) | 
% 11.39/2.18       ~ ( (ndr1_0))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl146])).
% 11.39/2.18  thf('276', plain,
% 11.39/2.18      (~ (![X0 : $i]: ( (c1_1 @ X0) | ~ (c0_1 @ X0) | ~ (c3_1 @ X0))) | 
% 11.39/2.18       ~ ( (c3_1 @ a904)) | ( (c1_1 @ a904)) | ~ ( (c0_1 @ a904))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl1369])).
% 11.39/2.18  thf('277', plain,
% 11.39/2.18      (( (hskp0)) | ( (hskp2)) | ~ ( (ndr1_0)) | 
% 11.39/2.18       (![X0 : $i]: (~ (c2_1 @ X0) |  (c0_1 @ X0) |  (c3_1 @ X0)))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl135])).
% 11.39/2.18  thf('278', plain,
% 11.39/2.18      (~ (![X0 : $i]: ( (c2_1 @ X0) |  (c1_1 @ X0) |  (c3_1 @ X0))) | 
% 11.39/2.18       ( (c3_1 @ a904)) | ( (c2_1 @ a904)) | ( (c1_1 @ a904))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl1214])).
% 11.39/2.18  thf('279', plain,
% 11.39/2.18      (( (c0_1 @ a900)) | 
% 11.39/2.18       ~ (![X0 : $i]: (~ (c2_1 @ X0) |  (c0_1 @ X0) | ~ (c3_1 @ X0))) | 
% 11.39/2.18       ~ ( (c2_1 @ a900)) | ~ ( (c3_1 @ a900))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl926])).
% 11.39/2.18  thf('280', plain,
% 11.39/2.18      (( (c3_1 @ a902)) | ( (c1_1 @ a902)) | 
% 11.39/2.18       ~ (![X1 : $i]: (~ (c2_1 @ X1) |  (c1_1 @ X1) |  (c3_1 @ X1))) | 
% 11.39/2.18       ~ ( (c2_1 @ a902))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl1889])).
% 11.39/2.18  thf('281', plain, (~ ( (c2_1 @ a903)) | ~ ( (hskp2))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl121])).
% 11.39/2.18  thf('282', plain, (~ ( (c3_1 @ a903)) | ~ ( (hskp2))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl122])).
% 11.39/2.18  thf('283', plain,
% 11.39/2.18      (( (hskp27)) | 
% 11.39/2.18       (![X0 : $i]: ( (c2_1 @ X0) |  (c1_1 @ X0) |  (c3_1 @ X0))) | 
% 11.39/2.18       ( (hskp9)) | ~ ( (ndr1_0))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl130])).
% 11.39/2.18  thf('284', plain,
% 11.39/2.18      (( (hskp25)) | 
% 11.39/2.18       (![X0 : $i]: ( (c2_1 @ X0) | ~ (c0_1 @ X0) | ~ (c3_1 @ X0))) | 
% 11.39/2.18       ~ ( (ndr1_0)) | 
% 11.39/2.18       (![X0 : $i]: (~ (c1_1 @ X0) | ~ (c0_1 @ X0) |  (c3_1 @ X0)))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl174])).
% 11.39/2.18  thf('285', plain,
% 11.39/2.18      (~ (![X0 : $i]: (~ (c2_1 @ X0) |  (c0_1 @ X0) | ~ (c3_1 @ X0))) | 
% 11.39/2.18       ~ ( (c3_1 @ a924)) | ~ ( (c2_1 @ a924)) | ( (c0_1 @ a924))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl930])).
% 11.39/2.18  thf('286', plain,
% 11.39/2.18      (( (hskp15)) | 
% 11.39/2.18       (![X0 : $i]: ( (c2_1 @ X0) |  (c1_1 @ X0) | ~ (c0_1 @ X0))) | 
% 11.39/2.18       (![X1 : $i]: (~ (c1_1 @ X1) | ~ (c0_1 @ X1) | ~ (c3_1 @ X1))) | 
% 11.39/2.18       ~ ( (ndr1_0))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl170])).
% 11.39/2.18  thf('287', plain,
% 11.39/2.18      (~ ( (c0_1 @ a914)) | ~ ( (c3_1 @ a914)) | 
% 11.39/2.18       ~ (![X1 : $i]: (~ (c1_1 @ X1) | ~ (c0_1 @ X1) | ~ (c3_1 @ X1))) | 
% 11.39/2.18       ~ (![X0 : $i]: ( (c1_1 @ X0) | ~ (c0_1 @ X0) | ~ (c3_1 @ X0)))),
% 11.39/2.18      inference('s_sup+', [status(thm)],
% 11.39/2.18                [zip_derived_cl2023, zip_derived_cl317])).
% 11.39/2.18  thf('288', plain,
% 11.39/2.18      (~ (![X0 : $i]: ( (c2_1 @ X0) |  (c1_1 @ X0) | ~ (c0_1 @ X0))) | 
% 11.39/2.18       ( (c1_1 @ a904)) | ( (c2_1 @ a904)) | ~ ( (c0_1 @ a904))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl1636])).
% 11.39/2.18  thf('289', plain, (~ ( (c1_1 @ a904)) | ~ ( (hskp3))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl119])).
% 11.39/2.18  thf('290', plain, (~ ( (c2_1 @ a904)) | ~ ( (hskp3))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl120])).
% 11.39/2.18  thf('291', plain, (( (hskp12)) | ( (hskp13)) | ( (hskp21))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl33])).
% 11.39/2.18  thf('292', plain,
% 11.39/2.18      (( (c3_1 @ a907)) | 
% 11.39/2.18       ~ (![X0 : $i]: ( (c2_1 @ X0) | ~ (c0_1 @ X0) |  (c3_1 @ X0))) | 
% 11.39/2.18       ( (c2_1 @ a907)) | ~ ( (c0_1 @ a907))),
% 11.39/2.18      inference('split', [status(esa)], [zip_derived_cl1775])).
% 11.39/2.18  thf('293', plain,
% 11.39/2.18      (~ ( (c0_1 @ a903)) | 
% 11.39/2.19       ~ (![X1 : $i]: (~ (c1_1 @ X1) | ~ (c0_1 @ X1) | ~ (c3_1 @ X1))) | 
% 11.39/2.19       ~ (![X0 : $i]: ( (c2_1 @ X0) | ~ (c0_1 @ X0) |  (c3_1 @ X0))) | 
% 11.39/2.19       ~ (![X0 : $i]: ( (c1_1 @ X0) | ~ (c0_1 @ X0) | ~ (c3_1 @ X0))) | 
% 11.39/2.19       ~ (![X0 : $i]: (~ (c2_1 @ X0) | ~ (c0_1 @ X0) |  (c3_1 @ X0)))),
% 11.39/2.19      inference('s_sup+', [status(thm)],
% 11.39/2.19                [zip_derived_cl2637, zip_derived_cl343])).
% 11.39/2.19  thf('294', plain,
% 11.39/2.19      (( (hskp1)) | ( (hskp2)) | ~ ( (ndr1_0)) | 
% 11.39/2.19       (![X0 : $i]: ( (c2_1 @ X0) |  (c1_1 @ X0) |  (c0_1 @ X0)))),
% 11.39/2.19      inference('split', [status(esa)], [zip_derived_cl127])).
% 11.39/2.19  thf('295', plain,
% 11.39/2.19      (~ (![X0 : $i]: ( (c1_1 @ X0) | ~ (c0_1 @ X0) | ~ (c3_1 @ X0))) | 
% 11.39/2.19       ~ ( (c3_1 @ a902)) | ( (c1_1 @ a902)) | ~ ( (c0_1 @ a902))),
% 11.39/2.19      inference('split', [status(esa)], [zip_derived_cl1370])).
% 11.39/2.19  thf('296', plain,
% 11.39/2.19      (( (hskp30)) | ( (hskp24)) | 
% 11.39/2.19       (![X0 : $i]: ( (c2_1 @ X0) | ~ (c1_1 @ X0) | ~ (c0_1 @ X0))) | 
% 11.39/2.19       ~ ( (ndr1_0))),
% 11.39/2.19      inference('split', [status(esa)], [zip_derived_cl148])).
% 11.39/2.19  thf('297', plain,
% 11.39/2.19      (( (hskp12)) | ( (hskp28)) | 
% 11.39/2.19       (![X0 : $i]: (~ (c2_1 @ X0) |  (c0_1 @ X0) |  (c3_1 @ X0))) | 
% 11.39/2.19       ~ ( (ndr1_0))),
% 11.39/2.19      inference('split', [status(esa)], [zip_derived_cl134])).
% 11.39/2.19  thf('298', plain,
% 11.39/2.19      (~ ( (c2_1 @ a912)) | ( (c0_1 @ a912)) | 
% 11.39/2.19       ~ (![X0 : $i]: (~ (c2_1 @ X0) | ~ (c1_1 @ X0) |  (c0_1 @ X0))) | 
% 11.39/2.19       ~ ( (c1_1 @ a912))),
% 11.39/2.19      inference('split', [status(esa)], [zip_derived_cl908])).
% 11.39/2.19  thf('299', plain,
% 11.39/2.19      (( (hskp14)) | 
% 11.39/2.19       (![X0 : $i]: (~ (c2_1 @ X0) | ~ (c1_1 @ X0) |  (c0_1 @ X0))) | 
% 11.39/2.19       ( (hskp7)) | ~ ( (ndr1_0))),
% 11.39/2.19      inference('split', [status(esa)], [zip_derived_cl145])).
% 11.39/2.19  thf('300', plain, (~ ( (c0_1 @ a923)) | ~ ( (hskp14))),
% 11.39/2.19      inference('split', [status(esa)], [zip_derived_cl102])).
% 11.39/2.19  thf('301', plain, (~ ( (c1_1 @ a923)) | ~ ( (hskp14))),
% 11.39/2.19      inference('split', [status(esa)], [zip_derived_cl103])).
% 11.39/2.19  thf('302', plain,
% 11.39/2.19      (~ (![X0 : $i]: ( (c1_1 @ X0) |  (c0_1 @ X0) | ~ (c3_1 @ X0))) | 
% 11.39/2.19       ( (c0_1 @ a923)) | ( (c1_1 @ a923)) | ~ ( (c3_1 @ a923))),
% 11.39/2.19      inference('split', [status(esa)], [zip_derived_cl1328])).
% 11.39/2.19  thf('303', plain,
% 11.39/2.19      (( (hskp27)) | ( (hskp13)) | 
% 11.39/2.19       (![X0 : $i]: (~ (c1_1 @ X0) | ~ (c0_1 @ X0) |  (c3_1 @ X0))) | 
% 11.39/2.19       ~ ( (ndr1_0))),
% 11.39/2.19      inference('split', [status(esa)], [zip_derived_cl153])).
% 11.39/2.19  thf('304', plain,
% 11.39/2.19      (( (hskp6)) | 
% 11.39/2.19       (![X0 : $i]: ( (c1_1 @ X0) |  (c0_1 @ X0) | ~ (c3_1 @ X0))) | 
% 11.39/2.19       ~ ( (ndr1_0)) | ( (hskp7))),
% 11.39/2.19      inference('split', [status(esa)], [zip_derived_cl132])).
% 11.39/2.19  thf('305', plain,
% 11.39/2.19      (~ (![X0 : $i]: (~ (c2_1 @ X0) | ~ (c0_1 @ X0) | ~ (c3_1 @ X0))) | 
% 11.39/2.19       ~ (![X0 : $i]: ( (c1_1 @ X0) | ~ (c0_1 @ X0) |  (c3_1 @ X0))) | 
% 11.39/2.19       ~ (![X0 : $i]: ( (c2_1 @ X0) | ~ (c0_1 @ X0) | ~ (c3_1 @ X0))) | 
% 11.39/2.19       ~ (![X0 : $i]: (~ (c1_1 @ X0) | ~ (c0_1 @ X0) |  (c3_1 @ X0))) | 
% 11.39/2.19       ~ ( (c0_1 @ a906))),
% 11.39/2.19      inference('s_sup+', [status(thm)],
% 11.39/2.19                [zip_derived_cl2542, zip_derived_cl335])).
% 11.39/2.19  thf('306', plain,
% 11.39/2.19      (~ (![X0 : $i]: (~ (c2_1 @ X0) |  (c0_1 @ X0) | ~ (c3_1 @ X0))) | 
% 11.39/2.19       ~ ( (c3_1 @ a912)) | ( (c0_1 @ a912)) | ~ ( (c2_1 @ a912))),
% 11.39/2.19      inference('split', [status(esa)], [zip_derived_cl932])).
% 11.39/2.19  thf('307', plain, (~ ( (c0_1 @ a912)) | ~ ( (hskp10))),
% 11.39/2.19      inference('split', [status(esa)], [zip_derived_cl108])).
% 11.39/2.19  thf('308', plain,
% 11.39/2.19      (( (c2_1 @ a908)) | 
% 11.39/2.19       ~ (![X0 : $i]: ( (c2_1 @ X0) | ~ (c1_1 @ X0) | ~ (c0_1 @ X0))) | 
% 11.39/2.19       ~ ( (c0_1 @ a908)) | ~ ( (c1_1 @ a908))),
% 11.39/2.19      inference('split', [status(esa)], [zip_derived_cl990])).
% 11.39/2.19  thf('309', plain,
% 11.39/2.19      (( (hskp11)) | ( (hskp6)) | 
% 11.39/2.19       (![X0 : $i]: (~ (c1_1 @ X0) |  (c0_1 @ X0) |  (c3_1 @ X0))) | 
% 11.39/2.19       ~ ( (ndr1_0))),
% 11.39/2.19      inference('split', [status(esa)], [zip_derived_cl133])).
% 11.39/2.19  thf('310', plain,
% 11.39/2.19      (( (hskp25)) | ( (hskp21)) | 
% 11.39/2.19       (![X0 : $i]: ( (c2_1 @ X0) | ~ (c1_1 @ X0) | ~ (c3_1 @ X0))) | 
% 11.39/2.19       ~ ( (ndr1_0))),
% 11.39/2.19      inference('split', [status(esa)], [zip_derived_cl151])).
% 11.39/2.19  thf('311', plain, (~ ( (c1_1 @ a960)) | ~ ( (hskp25))),
% 11.39/2.19      inference('split', [status(esa)], [zip_derived_cl82])).
% 11.39/2.19  thf('312', plain,
% 11.39/2.19      (~ (![X0 : $i]: ( (c1_1 @ X0) | ~ (c0_1 @ X0) | ~ (c3_1 @ X0))) | 
% 11.39/2.19       ~ ( (c3_1 @ a960)) | ( (c1_1 @ a960)) | ~ ( (c0_1 @ a960))),
% 11.39/2.19      inference('split', [status(esa)], [zip_derived_cl1363])).
% 11.39/2.19  thf('313', plain,
% 11.39/2.19      (( (hskp27)) | 
% 11.39/2.19       (![X0 : $i]: ( (c2_1 @ X0) |  (c1_1 @ X0) |  (c3_1 @ X0))) | 
% 11.39/2.19       ( (hskp11)) | ~ ( (ndr1_0))),
% 11.39/2.19      inference('split', [status(esa)], [zip_derived_cl129])).
% 11.39/2.19  thf('314', plain,
% 11.39/2.19      (( (hskp5)) | 
% 11.39/2.19       (![X0 : $i]: (~ (c2_1 @ X0) |  (c0_1 @ X0) |  (c3_1 @ X0))) | 
% 11.39/2.19       ~ ( (ndr1_0)) | 
% 11.39/2.19       (![X0 : $i]: (~ (c2_1 @ X0) |  (c0_1 @ X0) | ~ (c3_1 @ X0)))),
% 11.39/2.19      inference('split', [status(esa)], [zip_derived_cl163])).
% 11.39/2.19  thf('315', plain,
% 11.39/2.19      (~ ( (c2_1 @ a901)) | ( (c3_1 @ a901)) | 
% 11.39/2.19       ~ (![X1 : $i]: (~ (c2_1 @ X1) |  (c1_1 @ X1) |  (c3_1 @ X1))) | 
% 11.39/2.19       ( (c1_1 @ a901))),
% 11.39/2.19      inference('split', [status(esa)], [zip_derived_cl1892])).
% 11.39/2.19  thf('316', plain,
% 11.39/2.19      (~ (![X0 : $i]: ( (c2_1 @ X0) |  (c1_1 @ X0) |  (c0_1 @ X0))) | 
% 11.39/2.19       ( (c2_1 @ a901)) | ( (c1_1 @ a901)) | ( (c0_1 @ a901))),
% 11.39/2.19      inference('split', [status(esa)], [zip_derived_cl971])).
% 11.39/2.19  thf(zip_derived_cl441, plain,
% 11.39/2.19      ((![X0 : $i]: ( (c2_1 @ X0) |  (c1_1 @ X0) |  (c0_1 @ X0)))
% 11.39/2.19         <= ((![X0 : $i]: ( (c2_1 @ X0) |  (c1_1 @ X0) |  (c0_1 @ X0))))),
% 11.39/2.19      inference('split', [status(esa)], [zip_derived_cl127])).
% 11.39/2.19  thf(zip_derived_cl504, plain,
% 11.39/2.19      ((![X0 : $i]: ( (c2_1 @ X0) | ~ (c1_1 @ X0) |  (c3_1 @ X0)))
% 11.39/2.19         <= ((![X0 : $i]: ( (c2_1 @ X0) | ~ (c1_1 @ X0) |  (c3_1 @ X0))))),
% 11.39/2.19      inference('split', [status(esa)], [zip_derived_cl143])).
% 11.39/2.19  thf(zip_derived_cl1588, plain,
% 11.39/2.19      ((![X0 : $i]: ( (c0_1 @ X0) |  (c2_1 @ X0) |  (c2_1 @ X0) |  (c3_1 @ X0)))
% 11.39/2.19         <= ((![X0 : $i]: ( (c2_1 @ X0) |  (c1_1 @ X0) |  (c0_1 @ X0))) & 
% 11.39/2.19             (![X0 : $i]: ( (c2_1 @ X0) | ~ (c1_1 @ X0) |  (c3_1 @ X0))))),
% 11.39/2.19      inference('s_sup-', [status(thm)], [zip_derived_cl441, zip_derived_cl504])).
% 11.39/2.19  thf(zip_derived_cl1606, plain,
% 11.39/2.19      ((![X0 : $i]: ( (c3_1 @ X0) |  (c2_1 @ X0) |  (c0_1 @ X0)))
% 11.39/2.19         <= ((![X0 : $i]: ( (c2_1 @ X0) |  (c1_1 @ X0) |  (c0_1 @ X0))) & 
% 11.39/2.19             (![X0 : $i]: ( (c2_1 @ X0) | ~ (c1_1 @ X0) |  (c3_1 @ X0))))),
% 11.39/2.19      inference('simplify', [status(thm)], [zip_derived_cl1588])).
% 11.39/2.19  thf('317', plain,
% 11.39/2.19      ((![X0 : $i]: ( (c2_1 @ X0) | ~ (c1_1 @ X0) |  (c3_1 @ X0)))),
% 11.39/2.19      inference('sat_resolution*', [status(thm)],
% 11.39/2.19                ['1', '2', '3', '4', '5', '6', '7', '8', '9', '10', '11', 
% 11.39/2.19                 '12', '13', '14', '15', '16', '17', '18', '19', '20', '21', 
% 11.39/2.19                 '22', '23', '24', '25', '26', '27', '28', '29', '30', '31', 
% 11.39/2.19                 '32', '33', '34', '35', '36', '37', '38', '39', '40', '41', 
% 11.39/2.19                 '42', '43', '44', '45', '46', '47', '48', '49', '50', '51', 
% 11.39/2.19                 '52', '53', '54', '55', '56', '57', '58', '59', '60', '61', 
% 11.39/2.19                 '62', '63', '64', '65', '66', '67', '68', '69', '70', '71', 
% 11.39/2.19                 '72', '73', '74', '75', '76', '77', '78', '79', '80', '81', 
% 11.39/2.19                 '82', '83', '84', '85', '86', '87', '88', '89', '90', '91', 
% 11.39/2.19                 '92', '93', '94', '95', '96', '97', '98', '99', '100', '101', 
% 11.39/2.19                 '102', '103', '104', '105', '106', '107', '108', '109', 
% 11.39/2.19                 '110', '111', '112', '113', '114', '115', '116', '117', 
% 11.39/2.19                 '118', '119', '120', '121', '122', '123', '124', '125', 
% 11.39/2.19                 '126', '127', '128', '129', '130', '131', '132', '133', 
% 11.39/2.19                 '134', '135', '136', '137', '138', '139', '140', '141', 
% 11.39/2.19                 '142', '143', '144', '145', '146', '147', '148', '149', 
% 11.39/2.19                 '150', '151', '152', '153', '154', '155', '156', '157', 
% 11.39/2.19                 '158', '159', '160', '161', '162', '163', '164', '165', 
% 11.39/2.19                 '166', '167', '168', '169', '170', '171', '172', '173', 
% 11.39/2.19                 '174', '175', '176', '177', '178', '179', '180', '181', 
% 11.39/2.19                 '182', '183', '184', '185', '186', '187', '188', '189', 
% 11.39/2.19                 '190', '191', '192', '193', '194', '195', '196', '197', 
% 11.39/2.19                 '198', '199', '200', '201', '202', '203', '204', '205', 
% 11.39/2.19                 '206', '207', '208', '209', '210', '211', '212', '213', 
% 11.39/2.19                 '214', '215', '216', '217', '218', '219', '220', '221', 
% 11.39/2.19                 '222', '223', '224', '225', '226', '227', '228', '229', 
% 11.39/2.19                 '230', '231', '232'])).
% 11.39/2.19  thf(zip_derived_cl9767, plain,
% 11.39/2.19      ((![X0 : $i]: ( (c3_1 @ X0) |  (c2_1 @ X0) |  (c0_1 @ X0)))
% 11.39/2.19         <= ((![X0 : $i]: ( (c2_1 @ X0) |  (c1_1 @ X0) |  (c0_1 @ X0))))),
% 11.39/2.19      inference('simpl_trail', [status(thm)], [zip_derived_cl1606, '317'])).
% 11.39/2.19  thf(zip_derived_cl365, plain, ((~ (c2_1 @ a946)) <= (~ ( (c2_1 @ a946)))),
% 11.39/2.19      inference('split', [status(esa)], [zip_derived_cl89])).
% 11.39/2.19  thf(zip_derived_cl10024, plain,
% 11.39/2.19      ((( (c0_1 @ a946) |  (c3_1 @ a946)))
% 11.39/2.19         <= (~ ( (c2_1 @ a946)) & 
% 11.39/2.19             (![X0 : $i]: ( (c2_1 @ X0) |  (c1_1 @ X0) |  (c0_1 @ X0))))),
% 11.39/2.19      inference('s_sup-', [status(thm)],
% 11.39/2.19                [zip_derived_cl9767, zip_derived_cl365])).
% 11.39/2.19  thf('318', plain,
% 11.39/2.19      (~ (![X0 : $i]: ( (c2_1 @ X0) |  (c1_1 @ X0) |  (c0_1 @ X0))) | 
% 11.39/2.19       ( (c0_1 @ a946)) | ( (c2_1 @ a946)) | ( (c3_1 @ a946))),
% 11.39/2.19      inference('split', [status(esa)], [zip_derived_cl10024])).
% 11.39/2.19  thf('319', plain,
% 11.39/2.19      ((![X1 : $i]: ( (c2_1 @ X1) |  (c0_1 @ X1) | ~ (c3_1 @ X1))) | 
% 11.39/2.19       (![X0 : $i]: ( (c2_1 @ X0) |  (c1_1 @ X0) |  (c0_1 @ X0))) | 
% 11.39/2.19       ~ ( (ndr1_0)) | 
% 11.39/2.19       (![X1 : $i]: (~ (c1_1 @ X1) | ~ (c0_1 @ X1) | ~ (c3_1 @ X1)))),
% 11.39/2.19      inference('split', [status(esa)], [zip_derived_cl180])).
% 11.39/2.19  thf('320', plain,
% 11.39/2.19      (( (c0_1 @ a905)) | ( (c2_1 @ a905)) | 
% 11.39/2.19       ~ (![X1 : $i]: ( (c2_1 @ X1) |  (c0_1 @ X1) | ~ (c3_1 @ X1))) | 
% 11.39/2.19       ~ ( (c3_1 @ a905))),
% 11.39/2.19      inference('split', [status(esa)], [zip_derived_cl1855])).
% 11.39/2.19  thf('321', plain,
% 11.39/2.19      (( (hskp3)) | ( (hskp4)) | ~ ( (ndr1_0)) | 
% 11.39/2.19       (![X0 : $i]: (~ (c2_1 @ X0) |  (c1_1 @ X0) |  (c0_1 @ X0)))),
% 11.39/2.19      inference('split', [status(esa)], [zip_derived_cl131])).
% 11.39/2.19  thf(zip_derived_cl9770, plain,
% 11.39/2.19      ((![X0 : $i]: (~ (c0_1 @ X0) |  (c2_1 @ X0) |  (c3_1 @ X0)))
% 11.39/2.19         <= ((![X0 : $i]: ( (c1_1 @ X0) | ~ (c0_1 @ X0) |  (c3_1 @ X0))))),
% 11.39/2.19      inference('simpl_trail', [status(thm)], [zip_derived_cl1748, '233'])).
% 11.39/2.19  thf(zip_derived_cl427, plain, ((~ (c2_1 @ a904)) <= (~ ( (c2_1 @ a904)))),
% 11.39/2.19      inference('split', [status(esa)], [zip_derived_cl120])).
% 11.39/2.19  thf(zip_derived_cl9955, plain,
% 11.39/2.19      ((( (c3_1 @ a904) | ~ (c0_1 @ a904)))
% 11.39/2.19         <= (~ ( (c2_1 @ a904)) & 
% 11.39/2.19             (![X0 : $i]: ( (c1_1 @ X0) | ~ (c0_1 @ X0) |  (c3_1 @ X0))))),
% 11.39/2.19      inference('s_sup-', [status(thm)],
% 11.39/2.19                [zip_derived_cl9770, zip_derived_cl427])).
% 11.39/2.19  thf('322', plain,
% 11.39/2.19      (( (c3_1 @ a904)) | ~ ( (c0_1 @ a904)) | 
% 11.39/2.19       ~ (![X0 : $i]: ( (c1_1 @ X0) | ~ (c0_1 @ X0) |  (c3_1 @ X0))) | 
% 11.39/2.19       ( (c2_1 @ a904))),
% 11.39/2.19      inference('split', [status(esa)], [zip_derived_cl9955])).
% 11.39/2.19  thf(clause139, conjecture,
% 11.39/2.19    (~( ( hskp18 ) | ( hskp20 ) | ( c2_1 @ U ) | ( c1_1 @ U ) | 
% 11.39/2.19        ( ~( ndr1_0 ) ) | ( ~( c3_1 @ U ) ) ))).
% 11.39/2.19  thf(zf_stmt_146, negated_conjecture,
% 11.39/2.19    (( hskp18 ) | ( hskp20 ) | ( c2_1 @ U ) | ( c1_1 @ U ) | ( ~( ndr1_0 ) ) | 
% 11.39/2.19     ( ~( c3_1 @ U ) )),
% 11.39/2.19    inference('cnf.neg', [status(esa)], [clause139])).
% 11.39/2.19  thf(zip_derived_cl138, plain,
% 11.39/2.19      (![X0 : $i]:
% 11.39/2.19         ( (hskp18)
% 11.39/2.19          |  (hskp20)
% 11.39/2.19          |  (c2_1 @ X0)
% 11.39/2.19          |  (c1_1 @ X0)
% 11.39/2.19          | ~ (ndr1_0)
% 11.39/2.19          | ~ (c3_1 @ X0))),
% 11.39/2.19      inference('cnf', [status(esa)], [zf_stmt_146])).
% 11.39/2.19  thf(zip_derived_cl485, plain,
% 11.39/2.19      ((![X0 : $i]: ( (c2_1 @ X0) |  (c1_1 @ X0) | ~ (c3_1 @ X0)))
% 11.39/2.19         <= ((![X0 : $i]: ( (c2_1 @ X0) |  (c1_1 @ X0) | ~ (c3_1 @ X0))))),
% 11.39/2.19      inference('split', [status(esa)], [zip_derived_cl138])).
% 11.39/2.19  thf(zip_derived_cl425, plain, ((~ (c1_1 @ a904)) <= (~ ( (c1_1 @ a904)))),
% 11.39/2.19      inference('split', [status(esa)], [zip_derived_cl119])).
% 11.39/2.19  thf(zip_derived_cl1692, plain,
% 11.39/2.19      (((~ (c3_1 @ a904) |  (c2_1 @ a904)))
% 11.39/2.19         <= (~ ( (c1_1 @ a904)) & 
% 11.39/2.19             (![X0 : $i]: ( (c2_1 @ X0) |  (c1_1 @ X0) | ~ (c3_1 @ X0))))),
% 11.39/2.19      inference('s_sup-', [status(thm)], [zip_derived_cl485, zip_derived_cl425])).
% 11.39/2.19  thf('323', plain,
% 11.39/2.19      (~ (![X0 : $i]: ( (c2_1 @ X0) |  (c1_1 @ X0) | ~ (c3_1 @ X0))) | 
% 11.39/2.19       ~ ( (c3_1 @ a904)) | ( (c1_1 @ a904)) | ( (c2_1 @ a904))),
% 11.39/2.19      inference('split', [status(esa)], [zip_derived_cl1692])).
% 11.39/2.19  thf('324', plain,
% 11.39/2.19      (( (hskp18)) | 
% 11.39/2.19       (![X0 : $i]: ( (c2_1 @ X0) |  (c1_1 @ X0) | ~ (c3_1 @ X0))) | 
% 11.39/2.19       ( (hskp20)) | ~ ( (ndr1_0))),
% 11.39/2.19      inference('split', [status(esa)], [zip_derived_cl138])).
% 11.39/2.19  thf('325', plain, (~ ( (c0_1 @ a937)) | ~ ( (hskp18))),
% 11.39/2.19      inference('split', [status(esa)], [zip_derived_cl94])).
% 11.39/2.19  thf(zip_derived_cl568, plain,
% 11.39/2.19      ((![X1 : $i]: (~ (c1_1 @ X1) |  (c0_1 @ X1) | ~ (c3_1 @ X1)))
% 11.39/2.19         <= ((![X1 : $i]: (~ (c1_1 @ X1) |  (c0_1 @ X1) | ~ (c3_1 @ X1))))),
% 11.39/2.19      inference('split', [status(esa)], [zip_derived_cl159])).
% 11.39/2.19  thf(zip_derived_cl301, plain, (( (c1_1 @ a937)) <= (( (c1_1 @ a937)))),
% 11.39/2.19      inference('split', [status(esa)], [zip_derived_cl57])).
% 11.39/2.19  thf(zip_derived_cl1166, plain,
% 11.39/2.19      (((~ (c3_1 @ a937) |  (c0_1 @ a937)))
% 11.39/2.19         <= (( (c1_1 @ a937)) & 
% 11.39/2.19             (![X1 : $i]: (~ (c1_1 @ X1) |  (c0_1 @ X1) | ~ (c3_1 @ X1))))),
% 11.39/2.19      inference('s_sup+', [status(thm)], [zip_derived_cl568, zip_derived_cl301])).
% 11.39/2.19  thf('326', plain,
% 11.39/2.19      (( (c0_1 @ a937)) | ~ ( (c1_1 @ a937)) | 
% 11.39/2.19       ~ (![X1 : $i]: (~ (c1_1 @ X1) |  (c0_1 @ X1) | ~ (c3_1 @ X1))) | 
% 11.39/2.19       ~ ( (c3_1 @ a937))),
% 11.39/2.19      inference('split', [status(esa)], [zip_derived_cl1166])).
% 11.39/2.19  thf(zip_derived_cl11362, plain, ($false),
% 11.39/2.19      inference('sat_resolution*', [status(thm)],
% 11.39/2.19                ['0', '234', '235', '236', '237', '238', '239', '240', '241', 
% 11.39/2.19                 '242', '243', '232', '244', '1', '2', '4', '245', '246', '7', 
% 11.39/2.19                 '8', '247', '10', '11', '248', '13', '14', '15', '16', '17', 
% 11.39/2.19                 '18', '20', '249', '23', '250', '251', '27', '28', '29', 
% 11.39/2.19                 '30', '31', '32', '33', '34', '252', '226', '253', '254', 
% 11.39/2.19                 '255', '256', '257', '258', '259', '260', '261', '262', '40', 
% 11.39/2.19                 '43', '48', '49', '263', '264', '265', '266', '267', '55', 
% 11.39/2.19                 '56', '57', '268', '269', '270', '61', '62', '271', '64', 
% 11.39/2.19                 '65', '272', '273', '68', '69', '70', '274', '275', '276', 
% 11.39/2.19                 '277', '278', '81', '231', '279', '83', '280', '85', '281', 
% 11.39/2.19                 '282', '88', '283', '284', '91', '92', '93', '94', '99', 
% 11.39/2.19                 '100', '285', '102', '103', '286', '287', '288', '289', 
% 11.39/2.19                 '290', '110', '291', '112', '113', '114', '115', '292', 
% 11.39/2.19                 '117', '119', '293', '294', '122', '123', '295', '125', 
% 11.39/2.19                 '126', '127', '128', '129', '130', '131', '132', '133', 
% 11.39/2.19                 '296', '135', '222', '223', '225', '136', '137', '138', 
% 11.39/2.19                 '139', '140', '227', '228', '229', '230', '297', '298', 
% 11.39/2.19                 '143', '299', '145', '146', '147', '300', '149', '301', 
% 11.39/2.19                 '302', '303', '304', '305', '155', '306', '157', '158', 
% 11.39/2.19                 '159', '160', '161', '162', '163', '164', '165', '307', 
% 11.39/2.19                 '167', '168', '169', '170', '171', '172', '173', '174', 
% 11.39/2.19                 '175', '176', '177', '178', '308', '180', '181', '182', 
% 11.39/2.19                 '183', '309', '185', '186', '187', '188', '310', '190', 
% 11.39/2.19                 '191', '192', '193', '194', '195', '196', '311', '312', 
% 11.39/2.19                 '199', '200', '313', '206', '207', '208', '209', '210', 
% 11.39/2.19                 '211', '212', '213', '214', '215', '216', '217', '218', 
% 11.39/2.19                 '219', '314', '202', '203', '204', '205', '315', '76', '77', 
% 11.39/2.19                 '78', '316', '95', '96', '97', '98', '47', '318', '319', 
% 11.39/2.19                 '41', '44', '45', '320', '321', '107', '322', '323', '324', 
% 11.39/2.19                 '24', '325', '326', '19'])).
% 11.39/2.19  
% 11.39/2.19  % SZS output end Refutation
% 11.39/2.19  
% 11.39/2.19  
% 11.39/2.19  % Terminating...
% 11.83/2.30  % Runner terminated.
% 11.83/2.31  % Zipperpin 1.5 exiting
%------------------------------------------------------------------------------