TSTP Solution File: SYN509-1 by Zipperpin---2.1.9999

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Zipperpin---2.1.9999
% Problem  : SYN509-1 : 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.StfKms5qH9 true

% Computer : n016.cluster.edu
% Model    : x86_64 x86_64
% CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 2.10GHz
% Memory   : 8042.1875MB
% OS       : Linux 3.10.0-693.el7.x86_64
% CPULimit : 300s
% WCLimit  : 300s
% DateTime : Fri Sep  1 04:04:18 EDT 2023

% Result   : Unsatisfiable 1.35s 1.47s
% Output   : Refutation 1.35s
% Verified : 
% SZS Type : -

% Comments : 
%------------------------------------------------------------------------------
%----WARNING: Could not form TPTP format derivation
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.12  % Problem  : SYN509-1 : TPTP v8.1.2. Released v2.1.0.
% 0.12/0.13  % Command  : python3 /export/starexec/sandbox2/solver/bin/portfolio.lams.parallel.py %s %d /export/starexec/sandbox2/tmp/tmp.StfKms5qH9 true
% 0.13/0.34  % Computer : n016.cluster.edu
% 0.13/0.34  % Model    : x86_64 x86_64
% 0.13/0.34  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.13/0.34  % Memory   : 8042.1875MB
% 0.13/0.34  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.13/0.34  % CPULimit : 300
% 0.13/0.34  % WCLimit  : 300
% 0.13/0.34  % DateTime : Sat Aug 26 21:40:42 EDT 2023
% 0.13/0.34  % CPUTime  : 
% 0.13/0.34  % Running portfolio for 300 s
% 0.13/0.34  % File         : /export/starexec/sandbox2/benchmark/theBenchmark.p
% 0.13/0.34  % Number of cores: 8
% 0.13/0.34  % Python version: Python 3.6.8
% 0.13/0.35  % Running in FO mode
% 0.20/0.64  % Total configuration time : 435
% 0.20/0.64  % Estimated wc time : 1092
% 0.20/0.64  % Estimated cpu time (7 cpus) : 156.0
% 0.20/0.75  % /export/starexec/sandbox2/solver/bin/fo/fo6_bce.sh running for 75s
% 0.20/0.75  % /export/starexec/sandbox2/solver/bin/fo/fo3_bce.sh running for 75s
% 0.20/0.75  % /export/starexec/sandbox2/solver/bin/fo/fo7.sh running for 63s
% 0.20/0.75  % /export/starexec/sandbox2/solver/bin/fo/fo13.sh running for 50s
% 0.20/0.75  % /export/starexec/sandbox2/solver/bin/fo/fo1_av.sh running for 75s
% 0.20/0.75  % /export/starexec/sandbox2/solver/bin/fo/fo5.sh running for 50s
% 0.20/0.77  % /export/starexec/sandbox2/solver/bin/fo/fo4.sh running for 50s
% 1.35/1.47  % Solved by fo/fo1_av.sh.
% 1.35/1.47  % done 1982 iterations in 0.643s
% 1.35/1.47  % SZS status Theorem for '/export/starexec/sandbox2/benchmark/theBenchmark.p'
% 1.35/1.47  % SZS output start Refutation
% 1.35/1.47  thf(hskp25_type, type, hskp25: $o).
% 1.35/1.47  thf(hskp20_type, type, hskp20: $o).
% 1.35/1.47  thf(hskp17_type, type, hskp17: $o).
% 1.35/1.47  thf(hskp4_type, type, hskp4: $o).
% 1.35/1.47  thf(a433_type, type, a433: $i).
% 1.35/1.47  thf(hskp1_type, type, hskp1: $o).
% 1.35/1.47  thf(a450_type, type, a450: $i).
% 1.35/1.47  thf(a432_type, type, a432: $i).
% 1.35/1.47  thf(a437_type, type, a437: $i).
% 1.35/1.47  thf(a444_type, type, a444: $i).
% 1.35/1.47  thf(hskp26_type, type, hskp26: $o).
% 1.35/1.47  thf(hskp11_type, type, hskp11: $o).
% 1.35/1.47  thf(hskp8_type, type, hskp8: $o).
% 1.35/1.47  thf(c3_1_type, type, c3_1: $i > $o).
% 1.35/1.47  thf(hskp24_type, type, hskp24: $o).
% 1.35/1.47  thf(a509_type, type, a509: $i).
% 1.35/1.47  thf(a463_type, type, a463: $i).
% 1.35/1.47  thf(a452_type, type, a452: $i).
% 1.35/1.47  thf(hskp27_type, type, hskp27: $o).
% 1.35/1.47  thf(a449_type, type, a449: $i).
% 1.35/1.47  thf(hskp21_type, type, hskp21: $o).
% 1.35/1.47  thf(hskp3_type, type, hskp3: $o).
% 1.35/1.47  thf(hskp22_type, type, hskp22: $o).
% 1.35/1.47  thf(hskp28_type, type, hskp28: $o).
% 1.35/1.47  thf(hskp6_type, type, hskp6: $o).
% 1.35/1.47  thf(a439_type, type, a439: $i).
% 1.35/1.47  thf(c0_1_type, type, c0_1: $i > $o).
% 1.35/1.47  thf(a456_type, type, a456: $i).
% 1.35/1.47  thf(a492_type, type, a492: $i).
% 1.35/1.47  thf(a484_type, type, a484: $i).
% 1.35/1.47  thf(a457_type, type, a457: $i).
% 1.35/1.47  thf(a489_type, type, a489: $i).
% 1.35/1.47  thf(a486_type, type, a486: $i).
% 1.35/1.47  thf(a467_type, type, a467: $i).
% 1.35/1.47  thf(hskp29_type, type, hskp29: $o).
% 1.35/1.47  thf(hskp9_type, type, hskp9: $o).
% 1.35/1.47  thf(ndr1_0_type, type, ndr1_0: $o).
% 1.35/1.47  thf(a443_type, type, a443: $i).
% 1.35/1.47  thf(hskp7_type, type, hskp7: $o).
% 1.35/1.47  thf(hskp10_type, type, hskp10: $o).
% 1.35/1.47  thf(hskp0_type, type, hskp0: $o).
% 1.35/1.47  thf(hskp30_type, type, hskp30: $o).
% 1.35/1.47  thf(hskp2_type, type, hskp2: $o).
% 1.35/1.47  thf(hskp13_type, type, hskp13: $o).
% 1.35/1.47  thf(c1_1_type, type, c1_1: $i > $o).
% 1.35/1.47  thf(a447_type, type, a447: $i).
% 1.35/1.47  thf(a442_type, type, a442: $i).
% 1.35/1.47  thf(a448_type, type, a448: $i).
% 1.35/1.47  thf(a472_type, type, a472: $i).
% 1.35/1.47  thf(hskp18_type, type, hskp18: $o).
% 1.35/1.47  thf(a451_type, type, a451: $i).
% 1.35/1.47  thf(hskp19_type, type, hskp19: $o).
% 1.35/1.47  thf(hskp23_type, type, hskp23: $o).
% 1.35/1.47  thf(c2_1_type, type, c2_1: $i > $o).
% 1.35/1.47  thf(a435_type, type, a435: $i).
% 1.35/1.47  thf(hskp14_type, type, hskp14: $o).
% 1.35/1.47  thf(hskp12_type, type, hskp12: $o).
% 1.35/1.47  thf(hskp16_type, type, hskp16: $o).
% 1.35/1.47  thf(clause66, conjecture, (~( ( c1_1 @ a452 ) | ( ~( hskp14 ) ) ))).
% 1.35/1.47  thf(zf_stmt_0, negated_conjecture, (( c1_1 @ a452 ) | ( ~( hskp14 ) )),
% 1.35/1.47    inference('cnf.neg', [status(esa)], [clause66])).
% 1.35/1.47  thf(zip_derived_cl65, plain, (( (c1_1 @ a452) | ~ (hskp14))),
% 1.35/1.47      inference('cnf', [status(esa)], [zf_stmt_0])).
% 1.35/1.47  thf(zip_derived_cl340, plain, (( (c1_1 @ a452)) <= (( (c1_1 @ a452)))),
% 1.35/1.47      inference('split', [status(esa)], [zip_derived_cl65])).
% 1.35/1.47  thf(clause152, conjecture,
% 1.35/1.47    (~( ( hskp8 ) | ( hskp24 ) | ( ~( ndr1_0 ) ) | ( ~( c3_1 @ U ) ) | 
% 1.35/1.47        ( ~( c1_1 @ U ) ) | ( ~( c0_1 @ U ) ) ))).
% 1.35/1.47  thf(zf_stmt_1, negated_conjecture,
% 1.35/1.47    (( hskp8 ) | ( hskp24 ) | ( ~( ndr1_0 ) ) | ( ~( c3_1 @ U ) ) | 
% 1.35/1.47     ( ~( c1_1 @ U ) ) | ( ~( c0_1 @ U ) )),
% 1.35/1.47    inference('cnf.neg', [status(esa)], [clause152])).
% 1.35/1.47  thf(zip_derived_cl151, plain,
% 1.35/1.47      (![X0 : $i]:
% 1.35/1.47         ( (hskp8)
% 1.35/1.47          |  (hskp24)
% 1.35/1.47          | ~ (ndr1_0)
% 1.35/1.47          | ~ (c3_1 @ X0)
% 1.35/1.47          | ~ (c1_1 @ X0)
% 1.35/1.47          | ~ (c0_1 @ X0))),
% 1.35/1.47      inference('cnf', [status(esa)], [zf_stmt_1])).
% 1.35/1.47  thf(zip_derived_cl554, plain,
% 1.35/1.47      ((![X0 : $i]: (~ (c3_1 @ X0) | ~ (c0_1 @ X0) | ~ (c1_1 @ X0)))
% 1.35/1.47         <= ((![X0 : $i]: (~ (c3_1 @ X0) | ~ (c0_1 @ X0) | ~ (c1_1 @ X0))))),
% 1.35/1.47      inference('split', [status(esa)], [zip_derived_cl151])).
% 1.35/1.47  thf(zip_derived_cl956, plain,
% 1.35/1.47      (((~ (c3_1 @ a452) | ~ (c0_1 @ a452)))
% 1.35/1.47         <= (( (c1_1 @ a452)) & 
% 1.35/1.47             (![X0 : $i]: (~ (c3_1 @ X0) | ~ (c0_1 @ X0) | ~ (c1_1 @ X0))))),
% 1.35/1.47      inference('s_sup-', [status(thm)], [zip_derived_cl340, zip_derived_cl554])).
% 1.35/1.47  thf('0', plain,
% 1.35/1.47      (~ ( (c3_1 @ a452)) | ~ ( (c1_1 @ a452)) | 
% 1.35/1.47       ~ (![X0 : $i]: (~ (c3_1 @ X0) | ~ (c0_1 @ X0) | ~ (c1_1 @ X0))) | 
% 1.35/1.47       ~ ( (c0_1 @ a452))),
% 1.35/1.47      inference('split', [status(esa)], [zip_derived_cl956])).
% 1.35/1.47  thf(clause192, conjecture,
% 1.35/1.47    (~( ( c2_1 @ W ) | ( c0_1 @ W ) | ( c3_1 @ V ) | ( c0_1 @ V ) | 
% 1.35/1.47        ( c0_1 @ U ) | ( ~( c3_1 @ W ) ) | ( ~( c1_1 @ V ) ) | 
% 1.35/1.47        ( ~( ndr1_0 ) ) | ( ~( c3_1 @ U ) ) | ( ~( c2_1 @ U ) ) ))).
% 1.35/1.47  thf(zf_stmt_2, negated_conjecture,
% 1.35/1.47    (( c2_1 @ W ) | ( c0_1 @ W ) | ( c3_1 @ V ) | ( c0_1 @ V ) | 
% 1.35/1.47     ( c0_1 @ U ) | ( ~( c3_1 @ W ) ) | ( ~( c1_1 @ V ) ) | ( ~( ndr1_0 ) ) | 
% 1.35/1.47     ( ~( c3_1 @ U ) ) | ( ~( c2_1 @ U ) )),
% 1.35/1.47    inference('cnf.neg', [status(esa)], [clause192])).
% 1.35/1.47  thf(zip_derived_cl191, plain,
% 1.35/1.47      (![X0 : $i, X1 : $i, X2 : $i]:
% 1.35/1.47         ( (c2_1 @ X0)
% 1.35/1.47          |  (c0_1 @ X0)
% 1.35/1.47          |  (c3_1 @ X1)
% 1.35/1.47          |  (c0_1 @ X1)
% 1.35/1.47          |  (c0_1 @ X2)
% 1.35/1.47          | ~ (c3_1 @ X0)
% 1.35/1.47          | ~ (c1_1 @ X1)
% 1.35/1.47          | ~ (ndr1_0)
% 1.35/1.47          | ~ (c3_1 @ X2)
% 1.35/1.47          | ~ (c2_1 @ X2))),
% 1.35/1.47      inference('cnf', [status(esa)], [zf_stmt_2])).
% 1.35/1.47  thf('1', plain,
% 1.35/1.47      ((![X0 : $i]: ( (c3_1 @ X0) |  (c0_1 @ X0) | ~ (c1_1 @ X0))) | 
% 1.35/1.47       (![X0 : $i]: (~ (c3_1 @ X0) |  (c2_1 @ X0) |  (c0_1 @ X0))) | 
% 1.35/1.47       ~ ( (ndr1_0)) | 
% 1.35/1.47       (![X0 : $i]: (~ (c3_1 @ X0) | ~ (c2_1 @ X0) |  (c0_1 @ X0)))),
% 1.35/1.47      inference('split', [status(esa)], [zip_derived_cl191])).
% 1.35/1.47  thf(clause158, conjecture,
% 1.35/1.47    (~( ( hskp0 ) | ( c2_1 @ V ) | ( c1_1 @ V ) | ( c0_1 @ V ) | 
% 1.35/1.47        ( c3_1 @ U ) | ( c0_1 @ U ) | ( ~( ndr1_0 ) ) | ( ~( c2_1 @ U ) ) ))).
% 1.35/1.47  thf(zf_stmt_3, negated_conjecture,
% 1.35/1.47    (( hskp0 ) | ( c2_1 @ V ) | ( c1_1 @ V ) | ( c0_1 @ V ) | ( c3_1 @ U ) | 
% 1.35/1.47     ( c0_1 @ U ) | ( ~( ndr1_0 ) ) | ( ~( c2_1 @ U ) )),
% 1.35/1.47    inference('cnf.neg', [status(esa)], [clause158])).
% 1.35/1.47  thf(zip_derived_cl157, plain,
% 1.35/1.47      (![X0 : $i, X1 : $i]:
% 1.35/1.47         ( (hskp0)
% 1.35/1.47          |  (c2_1 @ X0)
% 1.35/1.47          |  (c1_1 @ X0)
% 1.35/1.47          |  (c0_1 @ X0)
% 1.35/1.47          |  (c3_1 @ X1)
% 1.35/1.47          |  (c0_1 @ X1)
% 1.35/1.47          | ~ (ndr1_0)
% 1.35/1.47          | ~ (c2_1 @ X1))),
% 1.35/1.47      inference('cnf', [status(esa)], [zf_stmt_3])).
% 1.35/1.47  thf('2', plain,
% 1.35/1.47      ((![X0 : $i]: ( (c3_1 @ X0) | ~ (c2_1 @ X0) |  (c0_1 @ X0))) | 
% 1.35/1.47       ( (hskp0)) | 
% 1.35/1.47       (![X0 : $i]: ( (c2_1 @ X0) |  (c0_1 @ X0) |  (c1_1 @ X0))) | 
% 1.35/1.47       ~ ( (ndr1_0))),
% 1.35/1.47      inference('split', [status(esa)], [zip_derived_cl157])).
% 1.35/1.47  thf(zip_derived_cl579, plain,
% 1.35/1.47      ((![X0 : $i]: ( (c2_1 @ X0) |  (c0_1 @ X0) |  (c1_1 @ X0)))
% 1.35/1.47         <= ((![X0 : $i]: ( (c2_1 @ X0) |  (c0_1 @ X0) |  (c1_1 @ X0))))),
% 1.35/1.47      inference('split', [status(esa)], [zip_derived_cl157])).
% 1.35/1.47  thf(clause127, conjecture, (~( ( ~( hskp1 ) ) | ( ~( c1_1 @ a433 ) ) ))).
% 1.35/1.47  thf(zf_stmt_4, negated_conjecture, (( ~( hskp1 ) ) | ( ~( c1_1 @ a433 ) )),
% 1.35/1.47    inference('cnf.neg', [status(esa)], [clause127])).
% 1.35/1.47  thf(zip_derived_cl126, plain, ((~ (hskp1) | ~ (c1_1 @ a433))),
% 1.35/1.47      inference('cnf', [status(esa)], [zf_stmt_4])).
% 1.35/1.47  thf(zip_derived_cl462, plain, ((~ (c1_1 @ a433)) <= (~ ( (c1_1 @ a433)))),
% 1.35/1.47      inference('split', [status(esa)], [zip_derived_cl126])).
% 1.35/1.47  thf(zip_derived_cl1877, plain,
% 1.35/1.47      ((( (c0_1 @ a433) |  (c2_1 @ a433)))
% 1.35/1.47         <= (~ ( (c1_1 @ a433)) & 
% 1.35/1.47             (![X0 : $i]: ( (c2_1 @ X0) |  (c0_1 @ X0) |  (c1_1 @ X0))))),
% 1.35/1.47      inference('s_sup-', [status(thm)], [zip_derived_cl579, zip_derived_cl462])).
% 1.35/1.47  thf('3', plain,
% 1.35/1.47      (~ (![X0 : $i]: ( (c2_1 @ X0) |  (c0_1 @ X0) |  (c1_1 @ X0))) | 
% 1.35/1.47       ( (c0_1 @ a433)) | ( (c1_1 @ a433)) | ( (c2_1 @ a433))),
% 1.35/1.47      inference('split', [status(esa)], [zip_derived_cl1877])).
% 1.35/1.47  thf(clause126, conjecture, (~( ( ~( hskp1 ) ) | ( ~( c0_1 @ a433 ) ) ))).
% 1.35/1.47  thf(zf_stmt_5, negated_conjecture, (( ~( hskp1 ) ) | ( ~( c0_1 @ a433 ) )),
% 1.35/1.47    inference('cnf.neg', [status(esa)], [clause126])).
% 1.35/1.47  thf(zip_derived_cl125, plain, ((~ (hskp1) | ~ (c0_1 @ a433))),
% 1.35/1.47      inference('cnf', [status(esa)], [zf_stmt_5])).
% 1.35/1.47  thf('4', plain, (~ ( (c0_1 @ a433)) | ~ ( (hskp1))),
% 1.35/1.47      inference('split', [status(esa)], [zip_derived_cl125])).
% 1.35/1.47  thf('5', plain, (~ ( (c1_1 @ a433)) | ~ ( (hskp1))),
% 1.35/1.47      inference('split', [status(esa)], [zip_derived_cl126])).
% 1.35/1.47  thf(clause128, conjecture, (~( ( ~( hskp1 ) ) | ( ~( c2_1 @ a433 ) ) ))).
% 1.35/1.47  thf(zf_stmt_6, negated_conjecture, (( ~( hskp1 ) ) | ( ~( c2_1 @ a433 ) )),
% 1.35/1.47    inference('cnf.neg', [status(esa)], [clause128])).
% 1.35/1.47  thf(zip_derived_cl127, plain, ((~ (hskp1) | ~ (c2_1 @ a433))),
% 1.35/1.47      inference('cnf', [status(esa)], [zf_stmt_6])).
% 1.35/1.47  thf('6', plain, (~ ( (c2_1 @ a433)) | ~ ( (hskp1))),
% 1.35/1.47      inference('split', [status(esa)], [zip_derived_cl127])).
% 1.35/1.47  thf(clause184, conjecture,
% 1.35/1.47    (~( ( hskp1 ) | ( c0_1 @ V ) | ( c1_1 @ U ) | ( ~( c3_1 @ V ) ) | 
% 1.35/1.47        ( ~( c2_1 @ V ) ) | ( ~( ndr1_0 ) ) | ( ~( c2_1 @ U ) ) | 
% 1.35/1.47        ( ~( c0_1 @ U ) ) ))).
% 1.35/1.47  thf(zf_stmt_7, negated_conjecture,
% 1.35/1.47    (( hskp1 ) | ( c0_1 @ V ) | ( c1_1 @ U ) | ( ~( c3_1 @ V ) ) | 
% 1.35/1.47     ( ~( c2_1 @ V ) ) | ( ~( ndr1_0 ) ) | ( ~( c2_1 @ U ) ) | 
% 1.35/1.47     ( ~( c0_1 @ U ) )),
% 1.35/1.47    inference('cnf.neg', [status(esa)], [clause184])).
% 1.35/1.47  thf(zip_derived_cl183, plain,
% 1.35/1.47      (![X0 : $i, X1 : $i]:
% 1.35/1.47         ( (hskp1)
% 1.35/1.47          |  (c0_1 @ X0)
% 1.35/1.47          |  (c1_1 @ X1)
% 1.35/1.47          | ~ (c3_1 @ X0)
% 1.35/1.47          | ~ (c2_1 @ X0)
% 1.35/1.47          | ~ (ndr1_0)
% 1.35/1.47          | ~ (c2_1 @ X1)
% 1.35/1.47          | ~ (c0_1 @ X1))),
% 1.35/1.47      inference('cnf', [status(esa)], [zf_stmt_7])).
% 1.35/1.47  thf('7', plain,
% 1.35/1.47      (( (hskp1)) | 
% 1.35/1.47       (![X1 : $i]: (~ (c0_1 @ X1) | ~ (c2_1 @ X1) |  (c1_1 @ X1))) | 
% 1.35/1.47       (![X0 : $i]: (~ (c3_1 @ X0) | ~ (c2_1 @ X0) |  (c0_1 @ X0))) | 
% 1.35/1.47       ~ ( (ndr1_0))),
% 1.35/1.47      inference('split', [status(esa)], [zip_derived_cl183])).
% 1.35/1.47  thf(clause164, conjecture,
% 1.35/1.47    (~( ( hskp11 ) | ( c2_1 @ V ) | ( c0_1 @ V ) | ( c2_1 @ U ) | 
% 1.35/1.47        ( c1_1 @ U ) | ( ~( c1_1 @ V ) ) | ( ~( ndr1_0 ) ) | ( ~( c0_1 @ U ) ) ))).
% 1.35/1.47  thf(zf_stmt_8, negated_conjecture,
% 1.35/1.47    (( hskp11 ) | ( c2_1 @ V ) | ( c0_1 @ V ) | ( c2_1 @ U ) | ( c1_1 @ U ) | 
% 1.35/1.47     ( ~( c1_1 @ V ) ) | ( ~( ndr1_0 ) ) | ( ~( c0_1 @ U ) )),
% 1.35/1.47    inference('cnf.neg', [status(esa)], [clause164])).
% 1.35/1.47  thf(zip_derived_cl163, plain,
% 1.35/1.47      (![X0 : $i, X1 : $i]:
% 1.35/1.47         ( (hskp11)
% 1.35/1.47          |  (c2_1 @ X0)
% 1.35/1.47          |  (c0_1 @ X0)
% 1.35/1.47          |  (c2_1 @ X1)
% 1.35/1.47          |  (c1_1 @ X1)
% 1.35/1.47          | ~ (c1_1 @ X0)
% 1.35/1.47          | ~ (ndr1_0)
% 1.35/1.47          | ~ (c0_1 @ X1))),
% 1.35/1.47      inference('cnf', [status(esa)], [zf_stmt_8])).
% 1.35/1.47  thf(zip_derived_cl601, plain,
% 1.35/1.47      ((![X1 : $i]: (~ (c0_1 @ X1) |  (c2_1 @ X1) |  (c1_1 @ X1)))
% 1.35/1.47         <= ((![X1 : $i]: (~ (c0_1 @ X1) |  (c2_1 @ X1) |  (c1_1 @ X1))))),
% 1.35/1.47      inference('split', [status(esa)], [zip_derived_cl163])).
% 1.35/1.47  thf(clause121, conjecture, (~( ( ~( hskp4 ) ) | ( ~( c1_1 @ a439 ) ) ))).
% 1.35/1.47  thf(zf_stmt_9, negated_conjecture, (( ~( hskp4 ) ) | ( ~( c1_1 @ a439 ) )),
% 1.35/1.47    inference('cnf.neg', [status(esa)], [clause121])).
% 1.35/1.47  thf(zip_derived_cl120, plain, ((~ (hskp4) | ~ (c1_1 @ a439))),
% 1.35/1.47      inference('cnf', [status(esa)], [zf_stmt_9])).
% 1.35/1.47  thf(zip_derived_cl450, plain, ((~ (c1_1 @ a439)) <= (~ ( (c1_1 @ a439)))),
% 1.35/1.47      inference('split', [status(esa)], [zip_derived_cl120])).
% 1.35/1.47  thf(zip_derived_cl2090, plain,
% 1.35/1.47      ((( (c2_1 @ a439) | ~ (c0_1 @ a439)))
% 1.35/1.47         <= (~ ( (c1_1 @ a439)) & 
% 1.35/1.47             (![X1 : $i]: (~ (c0_1 @ X1) |  (c2_1 @ X1) |  (c1_1 @ X1))))),
% 1.35/1.47      inference('s_sup-', [status(thm)], [zip_derived_cl601, zip_derived_cl450])).
% 1.35/1.47  thf(zip_derived_cl4967, plain, (( (c2_1 @ a439)) <= (( (c2_1 @ a439)))),
% 1.35/1.47      inference('split', [status(esa)], [zip_derived_cl2090])).
% 1.35/1.47  thf(clause155, conjecture,
% 1.35/1.47    (~( ( hskp0 ) | ( hskp29 ) | ( ~( ndr1_0 ) ) | ( ~( c3_1 @ U ) ) | 
% 1.35/1.47        ( ~( c2_1 @ U ) ) | ( ~( c0_1 @ U ) ) ))).
% 1.35/1.47  thf(zf_stmt_10, negated_conjecture,
% 1.35/1.47    (( hskp0 ) | ( hskp29 ) | ( ~( ndr1_0 ) ) | ( ~( c3_1 @ U ) ) | 
% 1.35/1.47     ( ~( c2_1 @ U ) ) | ( ~( c0_1 @ U ) )),
% 1.35/1.47    inference('cnf.neg', [status(esa)], [clause155])).
% 1.35/1.47  thf(zip_derived_cl154, plain,
% 1.35/1.47      (![X0 : $i]:
% 1.35/1.47         ( (hskp0)
% 1.35/1.47          |  (hskp29)
% 1.35/1.47          | ~ (ndr1_0)
% 1.35/1.47          | ~ (c3_1 @ X0)
% 1.35/1.47          | ~ (c2_1 @ X0)
% 1.35/1.47          | ~ (c0_1 @ X0))),
% 1.35/1.47      inference('cnf', [status(esa)], [zf_stmt_10])).
% 1.35/1.47  thf(zip_derived_cl566, plain,
% 1.35/1.47      ((![X0 : $i]: (~ (c3_1 @ X0) | ~ (c2_1 @ X0) | ~ (c0_1 @ X0)))
% 1.35/1.47         <= ((![X0 : $i]: (~ (c3_1 @ X0) | ~ (c2_1 @ X0) | ~ (c0_1 @ X0))))),
% 1.35/1.47      inference('split', [status(esa)], [zip_derived_cl154])).
% 1.35/1.47  thf(zip_derived_cl4972, plain,
% 1.35/1.47      (((~ (c3_1 @ a439) | ~ (c0_1 @ a439)))
% 1.35/1.47         <= ((![X0 : $i]: (~ (c3_1 @ X0) | ~ (c2_1 @ X0) | ~ (c0_1 @ X0))) & 
% 1.35/1.47             ( (c2_1 @ a439)))),
% 1.35/1.47      inference('s_sup-', [status(thm)],
% 1.35/1.47                [zip_derived_cl4967, zip_derived_cl566])).
% 1.35/1.47  thf('8', plain,
% 1.35/1.47      (~ (![X0 : $i]: (~ (c3_1 @ X0) | ~ (c2_1 @ X0) | ~ (c0_1 @ X0))) | 
% 1.35/1.47       ~ ( (c2_1 @ a439)) | ~ ( (c3_1 @ a439)) | ~ ( (c0_1 @ a439))),
% 1.35/1.47      inference('split', [status(esa)], [zip_derived_cl4972])).
% 1.35/1.47  thf(clause199, conjecture,
% 1.35/1.47    (~( ( c2_1 @ W ) | ( c1_1 @ W ) | ( c1_1 @ V ) | ( c2_1 @ U ) | 
% 1.35/1.47        ( ~( c0_1 @ W ) ) | ( ~( c3_1 @ V ) ) | ( ~( c0_1 @ V ) ) | 
% 1.35/1.47        ( ~( ndr1_0 ) ) | ( ~( c3_1 @ U ) ) | ( ~( c0_1 @ U ) ) ))).
% 1.35/1.47  thf(zf_stmt_11, negated_conjecture,
% 1.35/1.47    (( c2_1 @ W ) | ( c1_1 @ W ) | ( c1_1 @ V ) | ( c2_1 @ U ) | 
% 1.35/1.47     ( ~( c0_1 @ W ) ) | ( ~( c3_1 @ V ) ) | ( ~( c0_1 @ V ) ) | 
% 1.35/1.47     ( ~( ndr1_0 ) ) | ( ~( c3_1 @ U ) ) | ( ~( c0_1 @ U ) )),
% 1.35/1.47    inference('cnf.neg', [status(esa)], [clause199])).
% 1.35/1.47  thf(zip_derived_cl198, plain,
% 1.35/1.47      (![X0 : $i, X1 : $i, X2 : $i]:
% 1.35/1.47         ( (c2_1 @ X0)
% 1.35/1.47          |  (c1_1 @ X0)
% 1.35/1.47          |  (c1_1 @ X1)
% 1.35/1.47          |  (c2_1 @ X2)
% 1.35/1.47          | ~ (c0_1 @ X0)
% 1.35/1.47          | ~ (c3_1 @ X1)
% 1.35/1.47          | ~ (c0_1 @ X1)
% 1.35/1.47          | ~ (ndr1_0)
% 1.35/1.47          | ~ (c3_1 @ X2)
% 1.35/1.47          | ~ (c0_1 @ X2))),
% 1.35/1.47      inference('cnf', [status(esa)], [zf_stmt_11])).
% 1.35/1.47  thf('9', plain,
% 1.35/1.47      ((![X1 : $i]: (~ (c0_1 @ X1) |  (c2_1 @ X1) |  (c1_1 @ X1))) | 
% 1.35/1.47       (![X0 : $i]: (~ (c3_1 @ X0) | ~ (c0_1 @ X0) |  (c1_1 @ X0))) | 
% 1.35/1.47       ~ ( (ndr1_0)) | 
% 1.35/1.47       (![X1 : $i]: (~ (c3_1 @ X1) | ~ (c0_1 @ X1) |  (c2_1 @ X1)))),
% 1.35/1.47      inference('split', [status(esa)], [zip_derived_cl198])).
% 1.35/1.47  thf(clause131, conjecture,
% 1.35/1.47    (~( ( hskp10 ) | ( hskp29 ) | ( c3_1 @ U ) | ( c2_1 @ U ) | ( c0_1 @ U ) | 
% 1.35/1.47        ( ~( ndr1_0 ) ) ))).
% 1.35/1.47  thf(zf_stmt_12, negated_conjecture,
% 1.35/1.47    (( hskp10 ) | ( hskp29 ) | ( c3_1 @ U ) | ( c2_1 @ U ) | ( c0_1 @ U ) | 
% 1.35/1.47     ( ~( ndr1_0 ) )),
% 1.35/1.47    inference('cnf.neg', [status(esa)], [clause131])).
% 1.35/1.47  thf(zip_derived_cl130, plain,
% 1.35/1.47      (![X0 : $i]:
% 1.35/1.47         ( (hskp10)
% 1.35/1.47          |  (hskp29)
% 1.35/1.47          |  (c3_1 @ X0)
% 1.35/1.47          |  (c2_1 @ X0)
% 1.35/1.47          |  (c0_1 @ X0)
% 1.35/1.47          | ~ (ndr1_0))),
% 1.35/1.47      inference('cnf', [status(esa)], [zf_stmt_12])).
% 1.35/1.47  thf(zip_derived_cl470, plain,
% 1.35/1.47      ((![X0 : $i]: ( (c3_1 @ X0) |  (c2_1 @ X0) |  (c0_1 @ X0)))
% 1.35/1.47         <= ((![X0 : $i]: ( (c3_1 @ X0) |  (c2_1 @ X0) |  (c0_1 @ X0))))),
% 1.35/1.47      inference('split', [status(esa)], [zip_derived_cl130])).
% 1.35/1.47  thf(clause89, conjecture, (~( ( ~( hskp23 ) ) | ( ~( c2_1 @ a484 ) ) ))).
% 1.35/1.47  thf(zf_stmt_13, negated_conjecture, (( ~( hskp23 ) ) | ( ~( c2_1 @ a484 ) )),
% 1.35/1.47    inference('cnf.neg', [status(esa)], [clause89])).
% 1.35/1.47  thf(zip_derived_cl88, plain, ((~ (hskp23) | ~ (c2_1 @ a484))),
% 1.35/1.47      inference('cnf', [status(esa)], [zf_stmt_13])).
% 1.35/1.47  thf(zip_derived_cl386, plain, ((~ (c2_1 @ a484)) <= (~ ( (c2_1 @ a484)))),
% 1.35/1.47      inference('split', [status(esa)], [zip_derived_cl88])).
% 1.35/1.47  thf(zip_derived_cl1062, plain,
% 1.35/1.47      ((( (c0_1 @ a484) |  (c3_1 @ a484)))
% 1.35/1.47         <= (~ ( (c2_1 @ a484)) & 
% 1.35/1.47             (![X0 : $i]: ( (c3_1 @ X0) |  (c2_1 @ X0) |  (c0_1 @ X0))))),
% 1.35/1.47      inference('s_sup-', [status(thm)], [zip_derived_cl470, zip_derived_cl386])).
% 1.35/1.47  thf('10', plain,
% 1.35/1.47      (~ (![X0 : $i]: ( (c3_1 @ X0) |  (c2_1 @ X0) |  (c0_1 @ X0))) | 
% 1.35/1.47       ( (c0_1 @ a484)) | ( (c2_1 @ a484)) | ( (c3_1 @ a484))),
% 1.35/1.47      inference('split', [status(esa)], [zip_derived_cl1062])).
% 1.35/1.47  thf(zip_derived_cl470, plain,
% 1.35/1.47      ((![X0 : $i]: ( (c3_1 @ X0) |  (c2_1 @ X0) |  (c0_1 @ X0)))
% 1.35/1.47         <= ((![X0 : $i]: ( (c3_1 @ X0) |  (c2_1 @ X0) |  (c0_1 @ X0))))),
% 1.35/1.47      inference('split', [status(esa)], [zip_derived_cl130])).
% 1.35/1.47  thf(clause110, conjecture, (~( ( ~( hskp10 ) ) | ( ~( c2_1 @ a448 ) ) ))).
% 1.35/1.47  thf(zf_stmt_14, negated_conjecture, (( ~( hskp10 ) ) | ( ~( c2_1 @ a448 ) )),
% 1.35/1.47    inference('cnf.neg', [status(esa)], [clause110])).
% 1.35/1.47  thf(zip_derived_cl109, plain, ((~ (hskp10) | ~ (c2_1 @ a448))),
% 1.35/1.47      inference('cnf', [status(esa)], [zf_stmt_14])).
% 1.35/1.47  thf(zip_derived_cl428, plain, ((~ (c2_1 @ a448)) <= (~ ( (c2_1 @ a448)))),
% 1.35/1.47      inference('split', [status(esa)], [zip_derived_cl109])).
% 1.35/1.47  thf(zip_derived_cl1068, plain,
% 1.35/1.47      ((( (c0_1 @ a448) |  (c3_1 @ a448)))
% 1.35/1.47         <= (~ ( (c2_1 @ a448)) & 
% 1.35/1.47             (![X0 : $i]: ( (c3_1 @ X0) |  (c2_1 @ X0) |  (c0_1 @ X0))))),
% 1.35/1.47      inference('s_sup-', [status(thm)], [zip_derived_cl470, zip_derived_cl428])).
% 1.35/1.47  thf('11', plain,
% 1.35/1.47      (( (c3_1 @ a448)) | 
% 1.35/1.47       ~ (![X0 : $i]: ( (c3_1 @ X0) |  (c2_1 @ X0) |  (c0_1 @ X0))) | 
% 1.35/1.47       ( (c0_1 @ a448)) | ( (c2_1 @ a448))),
% 1.35/1.47      inference('split', [status(esa)], [zip_derived_cl1068])).
% 1.35/1.47  thf(clause109, conjecture, (~( ( ~( hskp10 ) ) | ( ~( c0_1 @ a448 ) ) ))).
% 1.35/1.47  thf(zf_stmt_15, negated_conjecture, (( ~( hskp10 ) ) | ( ~( c0_1 @ a448 ) )),
% 1.35/1.47    inference('cnf.neg', [status(esa)], [clause109])).
% 1.35/1.47  thf(zip_derived_cl108, plain, ((~ (hskp10) | ~ (c0_1 @ a448))),
% 1.35/1.47      inference('cnf', [status(esa)], [zf_stmt_15])).
% 1.35/1.47  thf('12', plain, (~ ( (c0_1 @ a448)) | ~ ( (hskp10))),
% 1.35/1.47      inference('split', [status(esa)], [zip_derived_cl108])).
% 1.35/1.47  thf('13', plain, (~ ( (c2_1 @ a448)) | ~ ( (hskp10))),
% 1.35/1.47      inference('split', [status(esa)], [zip_derived_cl109])).
% 1.35/1.47  thf(clause138, conjecture,
% 1.35/1.47    (~( ( hskp16 ) | ( hskp30 ) | ( c2_1 @ U ) | ( c0_1 @ U ) | 
% 1.35/1.47        ( ~( ndr1_0 ) ) | ( ~( c3_1 @ U ) ) ))).
% 1.35/1.47  thf(zf_stmt_16, negated_conjecture,
% 1.35/1.47    (( hskp16 ) | ( hskp30 ) | ( c2_1 @ U ) | ( c0_1 @ U ) | ( ~( ndr1_0 ) ) | 
% 1.35/1.47     ( ~( c3_1 @ U ) )),
% 1.35/1.47    inference('cnf.neg', [status(esa)], [clause138])).
% 1.35/1.47  thf(zip_derived_cl137, plain,
% 1.35/1.47      (![X0 : $i]:
% 1.35/1.47         ( (hskp16)
% 1.35/1.47          |  (hskp30)
% 1.35/1.47          |  (c2_1 @ X0)
% 1.35/1.47          |  (c0_1 @ X0)
% 1.35/1.47          | ~ (ndr1_0)
% 1.35/1.47          | ~ (c3_1 @ X0))),
% 1.35/1.47      inference('cnf', [status(esa)], [zf_stmt_16])).
% 1.35/1.47  thf(zip_derived_cl498, plain,
% 1.35/1.47      ((![X0 : $i]: (~ (c3_1 @ X0) |  (c2_1 @ X0) |  (c0_1 @ X0)))
% 1.35/1.47         <= ((![X0 : $i]: (~ (c3_1 @ X0) |  (c2_1 @ X0) |  (c0_1 @ X0))))),
% 1.35/1.47      inference('split', [status(esa)], [zip_derived_cl137])).
% 1.35/1.47  thf(zip_derived_cl428, plain, ((~ (c2_1 @ a448)) <= (~ ( (c2_1 @ a448)))),
% 1.35/1.47      inference('split', [status(esa)], [zip_derived_cl109])).
% 1.35/1.47  thf(zip_derived_cl1467, plain,
% 1.35/1.47      ((( (c0_1 @ a448) | ~ (c3_1 @ a448)))
% 1.35/1.47         <= (~ ( (c2_1 @ a448)) & 
% 1.35/1.47             (![X0 : $i]: (~ (c3_1 @ X0) |  (c2_1 @ X0) |  (c0_1 @ X0))))),
% 1.35/1.47      inference('s_sup-', [status(thm)], [zip_derived_cl498, zip_derived_cl428])).
% 1.35/1.47  thf('14', plain,
% 1.35/1.47      (~ ( (c3_1 @ a448)) | ( (c0_1 @ a448)) | 
% 1.35/1.47       ~ (![X0 : $i]: (~ (c3_1 @ X0) |  (c2_1 @ X0) |  (c0_1 @ X0))) | 
% 1.35/1.47       ( (c2_1 @ a448))),
% 1.35/1.47      inference('split', [status(esa)], [zip_derived_cl1467])).
% 1.35/1.47  thf(clause146, conjecture,
% 1.35/1.47    (~( ( hskp13 ) | ( hskp4 ) | ( c1_1 @ U ) | ( ~( ndr1_0 ) ) | 
% 1.35/1.47        ( ~( c3_1 @ U ) ) | ( ~( c0_1 @ U ) ) ))).
% 1.35/1.47  thf(zf_stmt_17, negated_conjecture,
% 1.35/1.47    (( hskp13 ) | ( hskp4 ) | ( c1_1 @ U ) | ( ~( ndr1_0 ) ) | 
% 1.35/1.47     ( ~( c3_1 @ U ) ) | ( ~( c0_1 @ U ) )),
% 1.35/1.47    inference('cnf.neg', [status(esa)], [clause146])).
% 1.35/1.47  thf(zip_derived_cl145, plain,
% 1.35/1.47      (![X0 : $i]:
% 1.35/1.47         ( (hskp13)
% 1.35/1.47          |  (hskp4)
% 1.35/1.47          |  (c1_1 @ X0)
% 1.35/1.47          | ~ (ndr1_0)
% 1.35/1.47          | ~ (c3_1 @ X0)
% 1.35/1.47          | ~ (c0_1 @ X0))),
% 1.35/1.47      inference('cnf', [status(esa)], [zf_stmt_17])).
% 1.35/1.47  thf(zip_derived_cl530, plain,
% 1.35/1.47      ((![X0 : $i]: (~ (c3_1 @ X0) | ~ (c0_1 @ X0) |  (c1_1 @ X0)))
% 1.35/1.47         <= ((![X0 : $i]: (~ (c3_1 @ X0) | ~ (c0_1 @ X0) |  (c1_1 @ X0))))),
% 1.35/1.47      inference('split', [status(esa)], [zip_derived_cl145])).
% 1.35/1.47  thf(clause100, conjecture, (~( ( ~( hskp17 ) ) | ( ~( c1_1 @ a463 ) ) ))).
% 1.35/1.47  thf(zf_stmt_18, negated_conjecture, (( ~( hskp17 ) ) | ( ~( c1_1 @ a463 ) )),
% 1.35/1.47    inference('cnf.neg', [status(esa)], [clause100])).
% 1.35/1.47  thf(zip_derived_cl99, plain, ((~ (hskp17) | ~ (c1_1 @ a463))),
% 1.35/1.47      inference('cnf', [status(esa)], [zf_stmt_18])).
% 1.35/1.47  thf(zip_derived_cl408, plain, ((~ (c1_1 @ a463)) <= (~ ( (c1_1 @ a463)))),
% 1.35/1.47      inference('split', [status(esa)], [zip_derived_cl99])).
% 1.35/1.47  thf(zip_derived_cl1516, plain,
% 1.35/1.47      (((~ (c0_1 @ a463) | ~ (c3_1 @ a463)))
% 1.35/1.47         <= (~ ( (c1_1 @ a463)) & 
% 1.35/1.47             (![X0 : $i]: (~ (c3_1 @ X0) | ~ (c0_1 @ X0) |  (c1_1 @ X0))))),
% 1.35/1.47      inference('s_sup-', [status(thm)], [zip_derived_cl530, zip_derived_cl408])).
% 1.35/1.47  thf('15', plain,
% 1.35/1.47      (~ ( (c3_1 @ a463)) | ( (c1_1 @ a463)) | 
% 1.35/1.47       ~ (![X0 : $i]: (~ (c3_1 @ X0) | ~ (c0_1 @ X0) |  (c1_1 @ X0))) | 
% 1.35/1.47       ~ ( (c0_1 @ a463))),
% 1.35/1.47      inference('split', [status(esa)], [zip_derived_cl1516])).
% 1.35/1.47  thf(clause60, conjecture, (~( ( c0_1 @ a463 ) | ( ~( hskp17 ) ) ))).
% 1.35/1.47  thf(zf_stmt_19, negated_conjecture, (( c0_1 @ a463 ) | ( ~( hskp17 ) )),
% 1.35/1.47    inference('cnf.neg', [status(esa)], [clause60])).
% 1.35/1.47  thf(zip_derived_cl59, plain, (( (c0_1 @ a463) | ~ (hskp17))),
% 1.35/1.47      inference('cnf', [status(esa)], [zf_stmt_19])).
% 1.35/1.47  thf('16', plain, (( (c0_1 @ a463)) | ~ ( (hskp17))),
% 1.35/1.47      inference('split', [status(esa)], [zip_derived_cl59])).
% 1.35/1.47  thf(clause61, conjecture, (~( ( c2_1 @ a463 ) | ( ~( hskp17 ) ) ))).
% 1.35/1.47  thf(zf_stmt_20, negated_conjecture, (( c2_1 @ a463 ) | ( ~( hskp17 ) )),
% 1.35/1.47    inference('cnf.neg', [status(esa)], [clause61])).
% 1.35/1.47  thf(zip_derived_cl60, plain, (( (c2_1 @ a463) | ~ (hskp17))),
% 1.35/1.47      inference('cnf', [status(esa)], [zf_stmt_20])).
% 1.35/1.47  thf('17', plain, (( (c2_1 @ a463)) | ~ ( (hskp17))),
% 1.35/1.47      inference('split', [status(esa)], [zip_derived_cl60])).
% 1.35/1.47  thf('18', plain, (~ ( (c1_1 @ a463)) | ~ ( (hskp17))),
% 1.35/1.47      inference('split', [status(esa)], [zip_derived_cl99])).
% 1.35/1.47  thf(clause34, conjecture, (~( ( hskp23 ) | ( hskp10 ) | ( hskp17 ) ))).
% 1.35/1.47  thf(zf_stmt_21, negated_conjecture, (( hskp23 ) | ( hskp10 ) | ( hskp17 )),
% 1.35/1.47    inference('cnf.neg', [status(esa)], [clause34])).
% 1.35/1.47  thf(zip_derived_cl33, plain, (( (hskp23) |  (hskp10) |  (hskp17))),
% 1.35/1.47      inference('cnf', [status(esa)], [zf_stmt_21])).
% 1.35/1.47  thf('19', plain, (( (hskp17)) | ( (hskp10)) | ( (hskp23))),
% 1.35/1.47      inference('split', [status(esa)], [zip_derived_cl33])).
% 1.35/1.47  thf(clause142, conjecture,
% 1.35/1.47    (~( ( hskp11 ) | ( hskp30 ) | ( c3_1 @ U ) | ( c1_1 @ U ) | 
% 1.35/1.47        ( ~( ndr1_0 ) ) | ( ~( c2_1 @ U ) ) ))).
% 1.35/1.47  thf(zf_stmt_22, negated_conjecture,
% 1.35/1.47    (( hskp11 ) | ( hskp30 ) | ( c3_1 @ U ) | ( c1_1 @ U ) | ( ~( ndr1_0 ) ) | 
% 1.35/1.47     ( ~( c2_1 @ U ) )),
% 1.35/1.47    inference('cnf.neg', [status(esa)], [clause142])).
% 1.35/1.47  thf(zip_derived_cl141, plain,
% 1.35/1.47      (![X0 : $i]:
% 1.35/1.47         ( (hskp11)
% 1.35/1.47          |  (hskp30)
% 1.35/1.47          |  (c3_1 @ X0)
% 1.35/1.47          |  (c1_1 @ X0)
% 1.35/1.47          | ~ (ndr1_0)
% 1.35/1.47          | ~ (c2_1 @ X0))),
% 1.35/1.47      inference('cnf', [status(esa)], [zf_stmt_22])).
% 1.35/1.47  thf(zip_derived_cl514, plain,
% 1.35/1.47      ((![X0 : $i]: ( (c3_1 @ X0) | ~ (c2_1 @ X0) |  (c1_1 @ X0)))
% 1.35/1.47         <= ((![X0 : $i]: ( (c3_1 @ X0) | ~ (c2_1 @ X0) |  (c1_1 @ X0))))),
% 1.35/1.47      inference('split', [status(esa)], [zip_derived_cl141])).
% 1.35/1.47  thf(zip_derived_cl408, plain, ((~ (c1_1 @ a463)) <= (~ ( (c1_1 @ a463)))),
% 1.35/1.47      inference('split', [status(esa)], [zip_derived_cl99])).
% 1.35/1.47  thf(zip_derived_cl1704, plain,
% 1.35/1.47      (((~ (c2_1 @ a463) |  (c3_1 @ a463)))
% 1.35/1.47         <= (~ ( (c1_1 @ a463)) & 
% 1.35/1.47             (![X0 : $i]: ( (c3_1 @ X0) | ~ (c2_1 @ X0) |  (c1_1 @ X0))))),
% 1.35/1.47      inference('s_sup-', [status(thm)], [zip_derived_cl514, zip_derived_cl408])).
% 1.35/1.47  thf('20', plain,
% 1.35/1.47      (( (c3_1 @ a463)) | ( (c1_1 @ a463)) | 
% 1.35/1.47       ~ (![X0 : $i]: ( (c3_1 @ X0) | ~ (c2_1 @ X0) |  (c1_1 @ X0))) | 
% 1.35/1.47       ~ ( (c2_1 @ a463))),
% 1.35/1.47      inference('split', [status(esa)], [zip_derived_cl1704])).
% 1.35/1.47  thf(zip_derived_cl530, plain,
% 1.35/1.47      ((![X0 : $i]: (~ (c3_1 @ X0) | ~ (c0_1 @ X0) |  (c1_1 @ X0)))
% 1.35/1.47         <= ((![X0 : $i]: (~ (c3_1 @ X0) | ~ (c0_1 @ X0) |  (c1_1 @ X0))))),
% 1.35/1.47      inference('split', [status(esa)], [zip_derived_cl145])).
% 1.35/1.47  thf(clause116, conjecture, (~( ( ~( hskp7 ) ) | ( ~( c1_1 @ a443 ) ) ))).
% 1.35/1.47  thf(zf_stmt_23, negated_conjecture, (( ~( hskp7 ) ) | ( ~( c1_1 @ a443 ) )),
% 1.35/1.47    inference('cnf.neg', [status(esa)], [clause116])).
% 1.35/1.47  thf(zip_derived_cl115, plain, ((~ (hskp7) | ~ (c1_1 @ a443))),
% 1.35/1.47      inference('cnf', [status(esa)], [zf_stmt_23])).
% 1.35/1.47  thf(zip_derived_cl440, plain, ((~ (c1_1 @ a443)) <= (~ ( (c1_1 @ a443)))),
% 1.35/1.47      inference('split', [status(esa)], [zip_derived_cl115])).
% 1.35/1.47  thf(zip_derived_cl1520, plain,
% 1.35/1.47      (((~ (c0_1 @ a443) | ~ (c3_1 @ a443)))
% 1.35/1.47         <= (~ ( (c1_1 @ a443)) & 
% 1.35/1.47             (![X0 : $i]: (~ (c3_1 @ X0) | ~ (c0_1 @ X0) |  (c1_1 @ X0))))),
% 1.35/1.47      inference('s_sup-', [status(thm)], [zip_derived_cl530, zip_derived_cl440])).
% 1.35/1.47  thf('21', plain,
% 1.35/1.47      (~ ( (c0_1 @ a443)) | ~ ( (c3_1 @ a443)) | ( (c1_1 @ a443)) | 
% 1.35/1.47       ~ (![X0 : $i]: (~ (c3_1 @ X0) | ~ (c0_1 @ X0) |  (c1_1 @ X0)))),
% 1.35/1.47      inference('split', [status(esa)], [zip_derived_cl1520])).
% 1.35/1.47  thf(zip_derived_cl498, plain,
% 1.35/1.47      ((![X0 : $i]: (~ (c3_1 @ X0) |  (c2_1 @ X0) |  (c0_1 @ X0)))
% 1.35/1.47         <= ((![X0 : $i]: (~ (c3_1 @ X0) |  (c2_1 @ X0) |  (c0_1 @ X0))))),
% 1.35/1.47      inference('split', [status(esa)], [zip_derived_cl137])).
% 1.35/1.47  thf(clause117, conjecture, (~( ( ~( hskp7 ) ) | ( ~( c2_1 @ a443 ) ) ))).
% 1.35/1.47  thf(zf_stmt_24, negated_conjecture, (( ~( hskp7 ) ) | ( ~( c2_1 @ a443 ) )),
% 1.35/1.47    inference('cnf.neg', [status(esa)], [clause117])).
% 1.35/1.47  thf(zip_derived_cl116, plain, ((~ (hskp7) | ~ (c2_1 @ a443))),
% 1.35/1.47      inference('cnf', [status(esa)], [zf_stmt_24])).
% 1.35/1.47  thf(zip_derived_cl442, plain, ((~ (c2_1 @ a443)) <= (~ ( (c2_1 @ a443)))),
% 1.35/1.47      inference('split', [status(esa)], [zip_derived_cl116])).
% 1.35/1.47  thf(zip_derived_cl1468, plain,
% 1.35/1.47      ((( (c0_1 @ a443) | ~ (c3_1 @ a443)))
% 1.35/1.47         <= (~ ( (c2_1 @ a443)) & 
% 1.35/1.47             (![X0 : $i]: (~ (c3_1 @ X0) |  (c2_1 @ X0) |  (c0_1 @ X0))))),
% 1.35/1.47      inference('s_sup-', [status(thm)], [zip_derived_cl498, zip_derived_cl442])).
% 1.35/1.47  thf('22', plain,
% 1.35/1.47      (( (c0_1 @ a443)) | ( (c2_1 @ a443)) | 
% 1.35/1.47       ~ (![X0 : $i]: (~ (c3_1 @ X0) |  (c2_1 @ X0) |  (c0_1 @ X0))) | 
% 1.35/1.47       ~ ( (c3_1 @ a443))),
% 1.35/1.47      inference('split', [status(esa)], [zip_derived_cl1468])).
% 1.35/1.47  thf(clause189, conjecture,
% 1.35/1.47    (~( ( hskp19 ) | ( c2_1 @ V ) | ( ~( c3_1 @ V ) ) | ( ~( c0_1 @ V ) ) | 
% 1.35/1.47        ( ~( ndr1_0 ) ) | ( ~( c3_1 @ U ) ) | ( ~( c1_1 @ U ) ) | 
% 1.35/1.47        ( ~( c0_1 @ U ) ) ))).
% 1.35/1.47  thf(zf_stmt_25, negated_conjecture,
% 1.35/1.47    (( hskp19 ) | ( c2_1 @ V ) | ( ~( c3_1 @ V ) ) | ( ~( c0_1 @ V ) ) | 
% 1.35/1.47     ( ~( ndr1_0 ) ) | ( ~( c3_1 @ U ) ) | ( ~( c1_1 @ U ) ) | 
% 1.35/1.47     ( ~( c0_1 @ U ) )),
% 1.35/1.47    inference('cnf.neg', [status(esa)], [clause189])).
% 1.35/1.47  thf(zip_derived_cl188, plain,
% 1.35/1.47      (![X0 : $i, X1 : $i]:
% 1.35/1.47         ( (hskp19)
% 1.35/1.47          |  (c2_1 @ X0)
% 1.35/1.47          | ~ (c3_1 @ X0)
% 1.35/1.47          | ~ (c0_1 @ X0)
% 1.35/1.47          | ~ (ndr1_0)
% 1.35/1.47          | ~ (c3_1 @ X1)
% 1.35/1.47          | ~ (c1_1 @ X1)
% 1.35/1.47          | ~ (c0_1 @ X1))),
% 1.35/1.47      inference('cnf', [status(esa)], [zf_stmt_25])).
% 1.35/1.47  thf('23', plain,
% 1.35/1.47      ((![X0 : $i]: (~ (c3_1 @ X0) | ~ (c0_1 @ X0) | ~ (c1_1 @ X0))) | 
% 1.35/1.47       ( (hskp19)) | ~ ( (ndr1_0)) | 
% 1.35/1.47       (![X1 : $i]: (~ (c3_1 @ X1) | ~ (c0_1 @ X1) |  (c2_1 @ X1)))),
% 1.35/1.47      inference('split', [status(esa)], [zip_derived_cl188])).
% 1.35/1.47  thf(zip_derived_cl530, plain,
% 1.35/1.47      ((![X0 : $i]: (~ (c3_1 @ X0) | ~ (c0_1 @ X0) |  (c1_1 @ X0)))
% 1.35/1.47         <= ((![X0 : $i]: (~ (c3_1 @ X0) | ~ (c0_1 @ X0) |  (c1_1 @ X0))))),
% 1.35/1.47      inference('split', [status(esa)], [zip_derived_cl145])).
% 1.35/1.47  thf(clause95, conjecture, (~( ( ~( hskp19 ) ) | ( ~( c1_1 @ a467 ) ) ))).
% 1.35/1.47  thf(zf_stmt_26, negated_conjecture, (( ~( hskp19 ) ) | ( ~( c1_1 @ a467 ) )),
% 1.35/1.47    inference('cnf.neg', [status(esa)], [clause95])).
% 1.35/1.47  thf(zip_derived_cl94, plain, ((~ (hskp19) | ~ (c1_1 @ a467))),
% 1.35/1.47      inference('cnf', [status(esa)], [zf_stmt_26])).
% 1.35/1.47  thf(zip_derived_cl398, plain, ((~ (c1_1 @ a467)) <= (~ ( (c1_1 @ a467)))),
% 1.35/1.47      inference('split', [status(esa)], [zip_derived_cl94])).
% 1.35/1.47  thf(zip_derived_cl1515, plain,
% 1.35/1.47      (((~ (c0_1 @ a467) | ~ (c3_1 @ a467)))
% 1.35/1.47         <= (~ ( (c1_1 @ a467)) & 
% 1.35/1.47             (![X0 : $i]: (~ (c3_1 @ X0) | ~ (c0_1 @ X0) |  (c1_1 @ X0))))),
% 1.35/1.47      inference('s_sup-', [status(thm)], [zip_derived_cl530, zip_derived_cl398])).
% 1.35/1.47  thf('24', plain,
% 1.35/1.47      (~ ( (c3_1 @ a467)) | ~ ( (c0_1 @ a467)) | 
% 1.35/1.47       ~ (![X0 : $i]: (~ (c3_1 @ X0) | ~ (c0_1 @ X0) |  (c1_1 @ X0))) | 
% 1.35/1.47       ( (c1_1 @ a467))),
% 1.35/1.47      inference('split', [status(esa)], [zip_derived_cl1515])).
% 1.35/1.47  thf(zip_derived_cl470, plain,
% 1.35/1.47      ((![X0 : $i]: ( (c3_1 @ X0) |  (c2_1 @ X0) |  (c0_1 @ X0)))
% 1.35/1.47         <= ((![X0 : $i]: ( (c3_1 @ X0) |  (c2_1 @ X0) |  (c0_1 @ X0))))),
% 1.35/1.47      inference('split', [status(esa)], [zip_derived_cl130])).
% 1.35/1.47  thf(clause101, conjecture, (~( ( ~( hskp16 ) ) | ( ~( c2_1 @ a457 ) ) ))).
% 1.35/1.47  thf(zf_stmt_27, negated_conjecture, (( ~( hskp16 ) ) | ( ~( c2_1 @ a457 ) )),
% 1.35/1.47    inference('cnf.neg', [status(esa)], [clause101])).
% 1.35/1.47  thf(zip_derived_cl100, plain, ((~ (hskp16) | ~ (c2_1 @ a457))),
% 1.35/1.47      inference('cnf', [status(esa)], [zf_stmt_27])).
% 1.35/1.47  thf(zip_derived_cl410, plain, ((~ (c2_1 @ a457)) <= (~ ( (c2_1 @ a457)))),
% 1.35/1.47      inference('split', [status(esa)], [zip_derived_cl100])).
% 1.35/1.47  thf(zip_derived_cl1066, plain,
% 1.35/1.47      ((( (c0_1 @ a457) |  (c3_1 @ a457)))
% 1.35/1.47         <= (~ ( (c2_1 @ a457)) & 
% 1.35/1.47             (![X0 : $i]: ( (c3_1 @ X0) |  (c2_1 @ X0) |  (c0_1 @ X0))))),
% 1.35/1.47      inference('s_sup-', [status(thm)], [zip_derived_cl470, zip_derived_cl410])).
% 1.35/1.47  thf(zip_derived_cl2410, plain, (( (c0_1 @ a457)) <= (( (c0_1 @ a457)))),
% 1.35/1.47      inference('split', [status(esa)], [zip_derived_cl1066])).
% 1.35/1.47  thf(zip_derived_cl554, plain,
% 1.35/1.47      ((![X0 : $i]: (~ (c3_1 @ X0) | ~ (c0_1 @ X0) | ~ (c1_1 @ X0)))
% 1.35/1.47         <= ((![X0 : $i]: (~ (c3_1 @ X0) | ~ (c0_1 @ X0) | ~ (c1_1 @ X0))))),
% 1.35/1.47      inference('split', [status(esa)], [zip_derived_cl151])).
% 1.35/1.47  thf(zip_derived_cl530, plain,
% 1.35/1.47      ((![X0 : $i]: (~ (c3_1 @ X0) | ~ (c0_1 @ X0) |  (c1_1 @ X0)))
% 1.35/1.47         <= ((![X0 : $i]: (~ (c3_1 @ X0) | ~ (c0_1 @ X0) |  (c1_1 @ X0))))),
% 1.35/1.47      inference('split', [status(esa)], [zip_derived_cl145])).
% 1.35/1.47  thf(zip_derived_cl1529, plain,
% 1.35/1.47      ((![X0 : $i]:
% 1.35/1.47          (~ (c0_1 @ X0) | ~ (c3_1 @ X0) | ~ (c3_1 @ X0) | ~ (c0_1 @ X0)))
% 1.35/1.47         <= ((![X0 : $i]: (~ (c3_1 @ X0) | ~ (c0_1 @ X0) |  (c1_1 @ X0))) & 
% 1.35/1.47             (![X0 : $i]: (~ (c3_1 @ X0) | ~ (c0_1 @ X0) | ~ (c1_1 @ X0))))),
% 1.35/1.47      inference('s_sup+', [status(thm)], [zip_derived_cl554, zip_derived_cl530])).
% 1.35/1.47  thf(zip_derived_cl1537, plain,
% 1.35/1.47      ((![X0 : $i]: (~ (c3_1 @ X0) | ~ (c0_1 @ X0)))
% 1.35/1.47         <= ((![X0 : $i]: (~ (c3_1 @ X0) | ~ (c0_1 @ X0) |  (c1_1 @ X0))) & 
% 1.35/1.47             (![X0 : $i]: (~ (c3_1 @ X0) | ~ (c0_1 @ X0) | ~ (c1_1 @ X0))))),
% 1.35/1.47      inference('simplify', [status(thm)], [zip_derived_cl1529])).
% 1.35/1.47  thf(clause63, conjecture, (~( ( c3_1 @ a457 ) | ( ~( hskp16 ) ) ))).
% 1.35/1.47  thf(zf_stmt_28, negated_conjecture, (( c3_1 @ a457 ) | ( ~( hskp16 ) )),
% 1.35/1.47    inference('cnf.neg', [status(esa)], [clause63])).
% 1.35/1.47  thf(zip_derived_cl62, plain, (( (c3_1 @ a457) | ~ (hskp16))),
% 1.35/1.47      inference('cnf', [status(esa)], [zf_stmt_28])).
% 1.35/1.47  thf(zip_derived_cl334, plain, (( (c3_1 @ a457)) <= (( (c3_1 @ a457)))),
% 1.35/1.47      inference('split', [status(esa)], [zip_derived_cl62])).
% 1.35/1.47  thf(zip_derived_cl2346, plain,
% 1.35/1.47      ((~ (c0_1 @ a457))
% 1.35/1.47         <= (( (c3_1 @ a457)) & 
% 1.35/1.47             (![X0 : $i]: (~ (c3_1 @ X0) | ~ (c0_1 @ X0) |  (c1_1 @ X0))) & 
% 1.35/1.47             (![X0 : $i]: (~ (c3_1 @ X0) | ~ (c0_1 @ X0) | ~ (c1_1 @ X0))))),
% 1.35/1.47      inference('s_sup+', [status(thm)],
% 1.35/1.47                [zip_derived_cl1537, zip_derived_cl334])).
% 1.35/1.47  thf('25', plain,
% 1.35/1.47      (~ ( (c0_1 @ a457)) | ~ ( (c3_1 @ a457)) | 
% 1.35/1.47       ~ (![X0 : $i]: (~ (c3_1 @ X0) | ~ (c0_1 @ X0) |  (c1_1 @ X0))) | 
% 1.35/1.47       ~ (![X0 : $i]: (~ (c3_1 @ X0) | ~ (c0_1 @ X0) | ~ (c1_1 @ X0)))),
% 1.35/1.47      inference('s_sup-', [status(thm)],
% 1.35/1.47                [zip_derived_cl2410, zip_derived_cl2346])).
% 1.35/1.47  thf(zip_derived_cl1537, plain,
% 1.35/1.47      ((![X0 : $i]: (~ (c3_1 @ X0) | ~ (c0_1 @ X0)))
% 1.35/1.47         <= ((![X0 : $i]: (~ (c3_1 @ X0) | ~ (c0_1 @ X0) |  (c1_1 @ X0))) & 
% 1.35/1.47             (![X0 : $i]: (~ (c3_1 @ X0) | ~ (c0_1 @ X0) | ~ (c1_1 @ X0))))),
% 1.35/1.47      inference('simplify', [status(thm)], [zip_derived_cl1529])).
% 1.35/1.47  thf(clause58, conjecture, (~( ( c3_1 @ a472 ) | ( ~( hskp20 ) ) ))).
% 1.35/1.47  thf(zf_stmt_29, negated_conjecture, (( c3_1 @ a472 ) | ( ~( hskp20 ) )),
% 1.35/1.47    inference('cnf.neg', [status(esa)], [clause58])).
% 1.35/1.47  thf(zip_derived_cl57, plain, (( (c3_1 @ a472) | ~ (hskp20))),
% 1.35/1.47      inference('cnf', [status(esa)], [zf_stmt_29])).
% 1.35/1.47  thf(zip_derived_cl324, plain, (( (c3_1 @ a472)) <= (( (c3_1 @ a472)))),
% 1.35/1.47      inference('split', [status(esa)], [zip_derived_cl57])).
% 1.35/1.47  thf(zip_derived_cl2345, plain,
% 1.35/1.47      ((~ (c0_1 @ a472))
% 1.35/1.47         <= (( (c3_1 @ a472)) & 
% 1.35/1.47             (![X0 : $i]: (~ (c3_1 @ X0) | ~ (c0_1 @ X0) |  (c1_1 @ X0))) & 
% 1.35/1.47             (![X0 : $i]: (~ (c3_1 @ X0) | ~ (c0_1 @ X0) | ~ (c1_1 @ X0))))),
% 1.35/1.47      inference('s_sup+', [status(thm)],
% 1.35/1.47                [zip_derived_cl1537, zip_derived_cl324])).
% 1.35/1.47  thf(clause57, conjecture, (~( ( c0_1 @ a472 ) | ( ~( hskp20 ) ) ))).
% 1.35/1.47  thf(zf_stmt_30, negated_conjecture, (( c0_1 @ a472 ) | ( ~( hskp20 ) )),
% 1.35/1.47    inference('cnf.neg', [status(esa)], [clause57])).
% 1.35/1.47  thf(zip_derived_cl56, plain, (( (c0_1 @ a472) | ~ (hskp20))),
% 1.35/1.47      inference('cnf', [status(esa)], [zf_stmt_30])).
% 1.35/1.47  thf(zip_derived_cl322, plain, (( (c0_1 @ a472)) <= (( (c0_1 @ a472)))),
% 1.35/1.47      inference('split', [status(esa)], [zip_derived_cl56])).
% 1.35/1.47  thf('26', plain,
% 1.35/1.47      (~ (![X0 : $i]: (~ (c3_1 @ X0) | ~ (c0_1 @ X0) |  (c1_1 @ X0))) | 
% 1.35/1.47       ~ ( (c0_1 @ a472)) | ~ ( (c3_1 @ a472)) | 
% 1.35/1.47       ~ (![X0 : $i]: (~ (c3_1 @ X0) | ~ (c0_1 @ X0) | ~ (c1_1 @ X0)))),
% 1.35/1.47      inference('s_sup+', [status(thm)],
% 1.35/1.47                [zip_derived_cl2345, zip_derived_cl322])).
% 1.35/1.47  thf('27', plain,
% 1.35/1.47      (( (c2_1 @ a439)) | ~ ( (c0_1 @ a439)) | 
% 1.35/1.47       ~ (![X1 : $i]: (~ (c0_1 @ X1) |  (c2_1 @ X1) |  (c1_1 @ X1))) | 
% 1.35/1.47       ( (c1_1 @ a439))),
% 1.35/1.47      inference('split', [status(esa)], [zip_derived_cl2090])).
% 1.35/1.47  thf(clause185, conjecture,
% 1.35/1.47    (~( ( hskp23 ) | ( c1_1 @ V ) | ( c2_1 @ U ) | ( ~( c2_1 @ V ) ) | 
% 1.35/1.47        ( ~( c0_1 @ V ) ) | ( ~( ndr1_0 ) ) | ( ~( c3_1 @ U ) ) | 
% 1.35/1.47        ( ~( c0_1 @ U ) ) ))).
% 1.35/1.47  thf(zf_stmt_31, negated_conjecture,
% 1.35/1.47    (( hskp23 ) | ( c1_1 @ V ) | ( c2_1 @ U ) | ( ~( c2_1 @ V ) ) | 
% 1.35/1.47     ( ~( c0_1 @ V ) ) | ( ~( ndr1_0 ) ) | ( ~( c3_1 @ U ) ) | 
% 1.35/1.47     ( ~( c0_1 @ U ) )),
% 1.35/1.47    inference('cnf.neg', [status(esa)], [clause185])).
% 1.35/1.47  thf(zip_derived_cl184, plain,
% 1.35/1.47      (![X0 : $i, X1 : $i]:
% 1.35/1.47         ( (hskp23)
% 1.35/1.47          |  (c1_1 @ X0)
% 1.35/1.47          |  (c2_1 @ X1)
% 1.35/1.47          | ~ (c2_1 @ X0)
% 1.35/1.47          | ~ (c0_1 @ X0)
% 1.35/1.47          | ~ (ndr1_0)
% 1.35/1.47          | ~ (c3_1 @ X1)
% 1.35/1.47          | ~ (c0_1 @ X1))),
% 1.35/1.47      inference('cnf', [status(esa)], [zf_stmt_31])).
% 1.35/1.47  thf('28', plain,
% 1.35/1.47      (( (hskp23)) | 
% 1.35/1.47       (![X1 : $i]: (~ (c0_1 @ X1) | ~ (c2_1 @ X1) |  (c1_1 @ X1))) | 
% 1.35/1.47       ~ ( (ndr1_0)) | 
% 1.35/1.47       (![X1 : $i]: (~ (c3_1 @ X1) | ~ (c0_1 @ X1) |  (c2_1 @ X1)))),
% 1.35/1.47      inference('split', [status(esa)], [zip_derived_cl184])).
% 1.35/1.47  thf(clause160, conjecture,
% 1.35/1.47    (~( ( hskp2 ) | ( c3_1 @ V ) | ( c1_1 @ V ) | ( c0_1 @ V ) | 
% 1.35/1.47        ( c1_1 @ U ) | ( ~( ndr1_0 ) ) | ( ~( c2_1 @ U ) ) | ( ~( c0_1 @ U ) ) ))).
% 1.35/1.47  thf(zf_stmt_32, negated_conjecture,
% 1.35/1.47    (( hskp2 ) | ( c3_1 @ V ) | ( c1_1 @ V ) | ( c0_1 @ V ) | ( c1_1 @ U ) | 
% 1.35/1.47     ( ~( ndr1_0 ) ) | ( ~( c2_1 @ U ) ) | ( ~( c0_1 @ U ) )),
% 1.35/1.47    inference('cnf.neg', [status(esa)], [clause160])).
% 1.35/1.47  thf(zip_derived_cl159, plain,
% 1.35/1.47      (![X0 : $i, X1 : $i]:
% 1.35/1.47         ( (hskp2)
% 1.35/1.47          |  (c3_1 @ X0)
% 1.35/1.47          |  (c1_1 @ X0)
% 1.35/1.47          |  (c0_1 @ X0)
% 1.35/1.47          |  (c1_1 @ X1)
% 1.35/1.47          | ~ (ndr1_0)
% 1.35/1.47          | ~ (c2_1 @ X1)
% 1.35/1.47          | ~ (c0_1 @ X1))),
% 1.35/1.47      inference('cnf', [status(esa)], [zf_stmt_32])).
% 1.35/1.47  thf(zip_derived_cl586, plain,
% 1.35/1.47      ((![X1 : $i]: (~ (c0_1 @ X1) | ~ (c2_1 @ X1) |  (c1_1 @ X1)))
% 1.35/1.47         <= ((![X1 : $i]: (~ (c0_1 @ X1) | ~ (c2_1 @ X1) |  (c1_1 @ X1))))),
% 1.35/1.47      inference('split', [status(esa)], [zip_derived_cl159])).
% 1.35/1.47  thf(clause105, conjecture, (~( ( ~( hskp13 ) ) | ( ~( c1_1 @ a451 ) ) ))).
% 1.35/1.47  thf(zf_stmt_33, negated_conjecture, (( ~( hskp13 ) ) | ( ~( c1_1 @ a451 ) )),
% 1.35/1.47    inference('cnf.neg', [status(esa)], [clause105])).
% 1.35/1.47  thf(zip_derived_cl104, plain, ((~ (hskp13) | ~ (c1_1 @ a451))),
% 1.35/1.47      inference('cnf', [status(esa)], [zf_stmt_33])).
% 1.35/1.47  thf(zip_derived_cl418, plain, ((~ (c1_1 @ a451)) <= (~ ( (c1_1 @ a451)))),
% 1.35/1.47      inference('split', [status(esa)], [zip_derived_cl104])).
% 1.35/1.47  thf(zip_derived_cl1609, plain,
% 1.35/1.47      (((~ (c2_1 @ a451) | ~ (c0_1 @ a451)))
% 1.35/1.47         <= (~ ( (c1_1 @ a451)) & 
% 1.35/1.47             (![X1 : $i]: (~ (c0_1 @ X1) | ~ (c2_1 @ X1) |  (c1_1 @ X1))))),
% 1.35/1.47      inference('s_sup-', [status(thm)], [zip_derived_cl586, zip_derived_cl418])).
% 1.35/1.47  thf('29', plain,
% 1.35/1.47      (~ (![X1 : $i]: (~ (c0_1 @ X1) | ~ (c2_1 @ X1) |  (c1_1 @ X1))) | 
% 1.35/1.47       ~ ( (c0_1 @ a451)) | ~ ( (c2_1 @ a451)) | ( (c1_1 @ a451))),
% 1.35/1.47      inference('split', [status(esa)], [zip_derived_cl1609])).
% 1.35/1.47  thf(clause134, conjecture,
% 1.35/1.47    (~( ( hskp7 ) | ( hskp6 ) | ( c1_1 @ U ) | ( c0_1 @ U ) | 
% 1.35/1.47        ( ~( ndr1_0 ) ) | ( ~( c3_1 @ U ) ) ))).
% 1.35/1.47  thf(zf_stmt_34, negated_conjecture,
% 1.35/1.47    (( hskp7 ) | ( hskp6 ) | ( c1_1 @ U ) | ( c0_1 @ U ) | ( ~( ndr1_0 ) ) | 
% 1.35/1.47     ( ~( c3_1 @ U ) )),
% 1.35/1.47    inference('cnf.neg', [status(esa)], [clause134])).
% 1.35/1.47  thf(zip_derived_cl133, plain,
% 1.35/1.47      (![X0 : $i]:
% 1.35/1.47         ( (hskp7)
% 1.35/1.47          |  (hskp6)
% 1.35/1.47          |  (c1_1 @ X0)
% 1.35/1.47          |  (c0_1 @ X0)
% 1.35/1.47          | ~ (ndr1_0)
% 1.35/1.47          | ~ (c3_1 @ X0))),
% 1.35/1.47      inference('cnf', [status(esa)], [zf_stmt_34])).
% 1.35/1.47  thf(zip_derived_cl482, plain,
% 1.35/1.47      ((![X0 : $i]: (~ (c3_1 @ X0) |  (c0_1 @ X0) |  (c1_1 @ X0)))
% 1.35/1.47         <= ((![X0 : $i]: (~ (c3_1 @ X0) |  (c0_1 @ X0) |  (c1_1 @ X0))))),
% 1.35/1.47      inference('split', [status(esa)], [zip_derived_cl133])).
% 1.35/1.47  thf(zip_derived_cl418, plain, ((~ (c1_1 @ a451)) <= (~ ( (c1_1 @ a451)))),
% 1.35/1.47      inference('split', [status(esa)], [zip_derived_cl104])).
% 1.35/1.47  thf(zip_derived_cl1258, plain,
% 1.35/1.47      ((( (c0_1 @ a451) | ~ (c3_1 @ a451)))
% 1.35/1.47         <= (~ ( (c1_1 @ a451)) & 
% 1.35/1.47             (![X0 : $i]: (~ (c3_1 @ X0) |  (c0_1 @ X0) |  (c1_1 @ X0))))),
% 1.35/1.47      inference('s_sup-', [status(thm)], [zip_derived_cl482, zip_derived_cl418])).
% 1.35/1.47  thf('30', plain,
% 1.35/1.47      (( (c0_1 @ a451)) | ( (c1_1 @ a451)) | 
% 1.35/1.47       ~ (![X0 : $i]: (~ (c3_1 @ X0) |  (c0_1 @ X0) |  (c1_1 @ X0))) | 
% 1.35/1.47       ~ ( (c3_1 @ a451))),
% 1.35/1.47      inference('split', [status(esa)], [zip_derived_cl1258])).
% 1.35/1.47  thf(clause187, conjecture,
% 1.35/1.47    (~( ( hskp8 ) | ( c1_1 @ V ) | ( c3_1 @ U ) | ( ~( c3_1 @ V ) ) | 
% 1.35/1.47        ( ~( c2_1 @ V ) ) | ( ~( ndr1_0 ) ) | ( ~( c1_1 @ U ) ) | 
% 1.35/1.47        ( ~( c0_1 @ U ) ) ))).
% 1.35/1.47  thf(zf_stmt_35, negated_conjecture,
% 1.35/1.47    (( hskp8 ) | ( c1_1 @ V ) | ( c3_1 @ U ) | ( ~( c3_1 @ V ) ) | 
% 1.35/1.47     ( ~( c2_1 @ V ) ) | ( ~( ndr1_0 ) ) | ( ~( c1_1 @ U ) ) | 
% 1.35/1.47     ( ~( c0_1 @ U ) )),
% 1.35/1.47    inference('cnf.neg', [status(esa)], [clause187])).
% 1.35/1.47  thf(zip_derived_cl186, plain,
% 1.35/1.47      (![X0 : $i, X1 : $i]:
% 1.35/1.47         ( (hskp8)
% 1.35/1.47          |  (c1_1 @ X0)
% 1.35/1.47          |  (c3_1 @ X1)
% 1.35/1.47          | ~ (c3_1 @ X0)
% 1.35/1.47          | ~ (c2_1 @ X0)
% 1.35/1.47          | ~ (ndr1_0)
% 1.35/1.47          | ~ (c1_1 @ X1)
% 1.35/1.47          | ~ (c0_1 @ X1))),
% 1.35/1.47      inference('cnf', [status(esa)], [zf_stmt_35])).
% 1.35/1.47  thf(zip_derived_cl694, plain,
% 1.35/1.47      ((![X0 : $i]: (~ (c3_1 @ X0) | ~ (c2_1 @ X0) |  (c1_1 @ X0)))
% 1.35/1.47         <= ((![X0 : $i]: (~ (c3_1 @ X0) | ~ (c2_1 @ X0) |  (c1_1 @ X0))))),
% 1.35/1.47      inference('split', [status(esa)], [zip_derived_cl186])).
% 1.35/1.47  thf(zip_derived_cl450, plain, ((~ (c1_1 @ a439)) <= (~ ( (c1_1 @ a439)))),
% 1.35/1.47      inference('split', [status(esa)], [zip_derived_cl120])).
% 1.35/1.47  thf(zip_derived_cl1760, plain,
% 1.35/1.47      (((~ (c2_1 @ a439) | ~ (c3_1 @ a439)))
% 1.35/1.47         <= (~ ( (c1_1 @ a439)) & 
% 1.35/1.47             (![X0 : $i]: (~ (c3_1 @ X0) | ~ (c2_1 @ X0) |  (c1_1 @ X0))))),
% 1.35/1.47      inference('s_sup-', [status(thm)], [zip_derived_cl694, zip_derived_cl450])).
% 1.35/1.47  thf('31', plain,
% 1.35/1.47      (~ (![X0 : $i]: (~ (c3_1 @ X0) | ~ (c2_1 @ X0) |  (c1_1 @ X0))) | 
% 1.35/1.47       ~ ( (c2_1 @ a439)) | ( (c1_1 @ a439)) | ~ ( (c3_1 @ a439))),
% 1.35/1.47      inference('split', [status(esa)], [zip_derived_cl1760])).
% 1.35/1.47  thf(clause78, conjecture, (~( ( c0_1 @ a439 ) | ( ~( hskp4 ) ) ))).
% 1.35/1.47  thf(zf_stmt_36, negated_conjecture, (( c0_1 @ a439 ) | ( ~( hskp4 ) )),
% 1.35/1.47    inference('cnf.neg', [status(esa)], [clause78])).
% 1.35/1.47  thf(zip_derived_cl77, plain, (( (c0_1 @ a439) | ~ (hskp4))),
% 1.35/1.47      inference('cnf', [status(esa)], [zf_stmt_36])).
% 1.35/1.47  thf('32', plain, (( (c0_1 @ a439)) | ~ ( (hskp4))),
% 1.35/1.47      inference('split', [status(esa)], [zip_derived_cl77])).
% 1.35/1.47  thf(clause79, conjecture, (~( ( c3_1 @ a439 ) | ( ~( hskp4 ) ) ))).
% 1.35/1.47  thf(zf_stmt_37, negated_conjecture, (( c3_1 @ a439 ) | ( ~( hskp4 ) )),
% 1.35/1.47    inference('cnf.neg', [status(esa)], [clause79])).
% 1.35/1.47  thf(zip_derived_cl78, plain, (( (c3_1 @ a439) | ~ (hskp4))),
% 1.35/1.47      inference('cnf', [status(esa)], [zf_stmt_37])).
% 1.35/1.47  thf('33', plain, (( (c3_1 @ a439)) | ~ ( (hskp4))),
% 1.35/1.47      inference('split', [status(esa)], [zip_derived_cl78])).
% 1.35/1.47  thf('34', plain, (~ ( (c1_1 @ a439)) | ~ ( (hskp4))),
% 1.35/1.47      inference('split', [status(esa)], [zip_derived_cl120])).
% 1.35/1.47  thf(zip_derived_cl586, plain,
% 1.35/1.47      ((![X1 : $i]: (~ (c0_1 @ X1) | ~ (c2_1 @ X1) |  (c1_1 @ X1)))
% 1.35/1.47         <= ((![X1 : $i]: (~ (c0_1 @ X1) | ~ (c2_1 @ X1) |  (c1_1 @ X1))))),
% 1.35/1.47      inference('split', [status(esa)], [zip_derived_cl159])).
% 1.35/1.47  thf(zip_derived_cl450, plain, ((~ (c1_1 @ a439)) <= (~ ( (c1_1 @ a439)))),
% 1.35/1.47      inference('split', [status(esa)], [zip_derived_cl120])).
% 1.35/1.47  thf(zip_derived_cl1612, plain,
% 1.35/1.47      (((~ (c2_1 @ a439) | ~ (c0_1 @ a439)))
% 1.35/1.47         <= (~ ( (c1_1 @ a439)) & 
% 1.35/1.47             (![X1 : $i]: (~ (c0_1 @ X1) | ~ (c2_1 @ X1) |  (c1_1 @ X1))))),
% 1.35/1.47      inference('s_sup-', [status(thm)], [zip_derived_cl586, zip_derived_cl450])).
% 1.35/1.47  thf(zip_derived_cl1820, plain, ((~ (c2_1 @ a439)) <= (~ ( (c2_1 @ a439)))),
% 1.35/1.47      inference('split', [status(esa)], [zip_derived_cl1612])).
% 1.35/1.47  thf(clause163, conjecture,
% 1.35/1.47    (~( ( c1_1 @ V ) | ( c0_1 @ V ) | ( c2_1 @ U ) | ( ~( c3_1 @ V ) ) | 
% 1.35/1.47        ( ~( ndr1_0 ) ) | ( ~( c3_1 @ U ) ) | ( ~( c0_1 @ U ) ) ))).
% 1.35/1.47  thf(zf_stmt_38, negated_conjecture,
% 1.35/1.47    (( c1_1 @ V ) | ( c0_1 @ V ) | ( c2_1 @ U ) | ( ~( c3_1 @ V ) ) | 
% 1.35/1.47     ( ~( ndr1_0 ) ) | ( ~( c3_1 @ U ) ) | ( ~( c0_1 @ U ) )),
% 1.35/1.47    inference('cnf.neg', [status(esa)], [clause163])).
% 1.35/1.47  thf(zip_derived_cl162, plain,
% 1.35/1.47      (![X0 : $i, X1 : $i]:
% 1.35/1.47         ( (c1_1 @ X0)
% 1.35/1.47          |  (c0_1 @ X0)
% 1.35/1.47          |  (c2_1 @ X1)
% 1.35/1.47          | ~ (c3_1 @ X0)
% 1.35/1.47          | ~ (ndr1_0)
% 1.35/1.47          | ~ (c3_1 @ X1)
% 1.35/1.47          | ~ (c0_1 @ X1))),
% 1.35/1.47      inference('cnf', [status(esa)], [zf_stmt_38])).
% 1.35/1.47  thf(zip_derived_cl598, plain,
% 1.35/1.47      ((![X1 : $i]: (~ (c3_1 @ X1) | ~ (c0_1 @ X1) |  (c2_1 @ X1)))
% 1.35/1.47         <= ((![X1 : $i]: (~ (c3_1 @ X1) | ~ (c0_1 @ X1) |  (c2_1 @ X1))))),
% 1.35/1.47      inference('split', [status(esa)], [zip_derived_cl162])).
% 1.35/1.47  thf(zip_derived_cl1824, plain,
% 1.35/1.47      (((~ (c3_1 @ a439) | ~ (c0_1 @ a439)))
% 1.35/1.47         <= (~ ( (c2_1 @ a439)) & 
% 1.35/1.47             (![X1 : $i]: (~ (c3_1 @ X1) | ~ (c0_1 @ X1) |  (c2_1 @ X1))))),
% 1.35/1.47      inference('s_sup+', [status(thm)],
% 1.35/1.47                [zip_derived_cl1820, zip_derived_cl598])).
% 1.35/1.47  thf('35', plain,
% 1.35/1.47      (( (c2_1 @ a439)) | 
% 1.35/1.47       ~ (![X1 : $i]: (~ (c3_1 @ X1) | ~ (c0_1 @ X1) |  (c2_1 @ X1))) | 
% 1.35/1.47       ~ ( (c3_1 @ a439)) | ~ ( (c0_1 @ a439))),
% 1.35/1.47      inference('split', [status(esa)], [zip_derived_cl1824])).
% 1.35/1.47  thf('36', plain,
% 1.35/1.47      (( (hskp4)) | ( (hskp13)) | 
% 1.35/1.47       (![X0 : $i]: (~ (c3_1 @ X0) | ~ (c0_1 @ X0) |  (c1_1 @ X0))) | 
% 1.35/1.47       ~ ( (ndr1_0))),
% 1.35/1.47      inference('split', [status(esa)], [zip_derived_cl145])).
% 1.35/1.47  thf('37', plain,
% 1.35/1.47      ((![X1 : $i]: ( (c3_1 @ X1) | ~ (c0_1 @ X1) | ~ (c1_1 @ X1))) | 
% 1.35/1.47       (![X0 : $i]: (~ (c3_1 @ X0) | ~ (c2_1 @ X0) |  (c1_1 @ X0))) | 
% 1.35/1.47       ( (hskp8)) | ~ ( (ndr1_0))),
% 1.35/1.47      inference('split', [status(esa)], [zip_derived_cl186])).
% 1.35/1.47  thf(clause157, conjecture,
% 1.35/1.47    (~( ( hskp0 ) | ( hskp6 ) | ( ~( ndr1_0 ) ) | ( ~( c3_1 @ U ) ) | 
% 1.35/1.47        ( ~( c2_1 @ U ) ) | ( ~( c1_1 @ U ) ) ))).
% 1.35/1.47  thf(zf_stmt_39, negated_conjecture,
% 1.35/1.47    (( hskp0 ) | ( hskp6 ) | ( ~( ndr1_0 ) ) | ( ~( c3_1 @ U ) ) | 
% 1.35/1.47     ( ~( c2_1 @ U ) ) | ( ~( c1_1 @ U ) )),
% 1.35/1.47    inference('cnf.neg', [status(esa)], [clause157])).
% 1.35/1.47  thf(zip_derived_cl156, plain,
% 1.35/1.47      (![X0 : $i]:
% 1.35/1.47         ( (hskp0)
% 1.35/1.47          |  (hskp6)
% 1.35/1.47          | ~ (ndr1_0)
% 1.35/1.47          | ~ (c3_1 @ X0)
% 1.35/1.47          | ~ (c2_1 @ X0)
% 1.35/1.47          | ~ (c1_1 @ X0))),
% 1.35/1.47      inference('cnf', [status(esa)], [zf_stmt_39])).
% 1.35/1.47  thf(zip_derived_cl574, plain,
% 1.35/1.47      ((![X0 : $i]: (~ (c3_1 @ X0) | ~ (c2_1 @ X0) | ~ (c1_1 @ X0)))
% 1.35/1.47         <= ((![X0 : $i]: (~ (c3_1 @ X0) | ~ (c2_1 @ X0) | ~ (c1_1 @ X0))))),
% 1.35/1.47      inference('split', [status(esa)], [zip_derived_cl156])).
% 1.35/1.47  thf(clause39, conjecture, (~( ( c1_1 @ a456 ) | ( ~( hskp30 ) ) ))).
% 1.35/1.47  thf(zf_stmt_40, negated_conjecture, (( c1_1 @ a456 ) | ( ~( hskp30 ) )),
% 1.35/1.47    inference('cnf.neg', [status(esa)], [clause39])).
% 1.35/1.47  thf(zip_derived_cl38, plain, (( (c1_1 @ a456) | ~ (hskp30))),
% 1.35/1.47      inference('cnf', [status(esa)], [zf_stmt_40])).
% 1.35/1.47  thf(zip_derived_cl286, plain, (( (c1_1 @ a456)) <= (( (c1_1 @ a456)))),
% 1.35/1.47      inference('split', [status(esa)], [zip_derived_cl38])).
% 1.35/1.47  thf(zip_derived_cl855, plain,
% 1.35/1.47      (((~ (c2_1 @ a456) | ~ (c3_1 @ a456)))
% 1.35/1.47         <= (( (c1_1 @ a456)) & 
% 1.35/1.47             (![X0 : $i]: (~ (c3_1 @ X0) | ~ (c2_1 @ X0) | ~ (c1_1 @ X0))))),
% 1.35/1.47      inference('s_sup+', [status(thm)], [zip_derived_cl574, zip_derived_cl286])).
% 1.35/1.47  thf('38', plain,
% 1.35/1.47      (~ ( (c3_1 @ a456)) | 
% 1.35/1.47       ~ (![X0 : $i]: (~ (c3_1 @ X0) | ~ (c2_1 @ X0) | ~ (c1_1 @ X0))) | 
% 1.35/1.47       ~ ( (c2_1 @ a456)) | ~ ( (c1_1 @ a456))),
% 1.35/1.47      inference('split', [status(esa)], [zip_derived_cl855])).
% 1.35/1.47  thf('39', plain,
% 1.35/1.47      ((![X0 : $i]: (~ (c3_1 @ X0) | ~ (c2_1 @ X0) | ~ (c1_1 @ X0))) | 
% 1.35/1.47       ( (hskp6)) | ~ ( (ndr1_0)) | ( (hskp0))),
% 1.35/1.47      inference('split', [status(esa)], [zip_derived_cl156])).
% 1.35/1.47  thf(clause150, conjecture,
% 1.35/1.47    (~( ( hskp12 ) | ( hskp14 ) | ( c3_1 @ U ) | ( ~( ndr1_0 ) ) | 
% 1.35/1.47        ( ~( c2_1 @ U ) ) | ( ~( c0_1 @ U ) ) ))).
% 1.35/1.47  thf(zf_stmt_41, negated_conjecture,
% 1.35/1.47    (( hskp12 ) | ( hskp14 ) | ( c3_1 @ U ) | ( ~( ndr1_0 ) ) | 
% 1.35/1.47     ( ~( c2_1 @ U ) ) | ( ~( c0_1 @ U ) )),
% 1.35/1.47    inference('cnf.neg', [status(esa)], [clause150])).
% 1.35/1.47  thf(zip_derived_cl149, plain,
% 1.35/1.47      (![X0 : $i]:
% 1.35/1.47         ( (hskp12)
% 1.35/1.47          |  (hskp14)
% 1.35/1.47          |  (c3_1 @ X0)
% 1.35/1.47          | ~ (ndr1_0)
% 1.35/1.47          | ~ (c2_1 @ X0)
% 1.35/1.47          | ~ (c0_1 @ X0))),
% 1.35/1.47      inference('cnf', [status(esa)], [zf_stmt_41])).
% 1.35/1.47  thf(zip_derived_cl546, plain,
% 1.35/1.47      ((![X0 : $i]: ( (c3_1 @ X0) | ~ (c2_1 @ X0) | ~ (c0_1 @ X0)))
% 1.35/1.47         <= ((![X0 : $i]: ( (c3_1 @ X0) | ~ (c2_1 @ X0) | ~ (c0_1 @ X0))))),
% 1.35/1.47      inference('split', [status(esa)], [zip_derived_cl149])).
% 1.35/1.47  thf(clause48, conjecture, (~( ( c2_1 @ a492 ) | ( ~( hskp26 ) ) ))).
% 1.35/1.47  thf(zf_stmt_42, negated_conjecture, (( c2_1 @ a492 ) | ( ~( hskp26 ) )),
% 1.35/1.47    inference('cnf.neg', [status(esa)], [clause48])).
% 1.35/1.47  thf(zip_derived_cl47, plain, (( (c2_1 @ a492) | ~ (hskp26))),
% 1.35/1.47      inference('cnf', [status(esa)], [zf_stmt_42])).
% 1.35/1.47  thf(zip_derived_cl304, plain, (( (c2_1 @ a492)) <= (( (c2_1 @ a492)))),
% 1.35/1.47      inference('split', [status(esa)], [zip_derived_cl47])).
% 1.35/1.47  thf(zip_derived_cl1134, plain,
% 1.35/1.47      (((~ (c0_1 @ a492) |  (c3_1 @ a492)))
% 1.35/1.47         <= (( (c2_1 @ a492)) & 
% 1.35/1.47             (![X0 : $i]: ( (c3_1 @ X0) | ~ (c2_1 @ X0) | ~ (c0_1 @ X0))))),
% 1.35/1.47      inference('s_sup+', [status(thm)], [zip_derived_cl546, zip_derived_cl304])).
% 1.35/1.47  thf('40', plain,
% 1.35/1.47      (~ ( (c0_1 @ a492)) | ~ ( (c2_1 @ a492)) | 
% 1.35/1.47       ~ (![X0 : $i]: ( (c3_1 @ X0) | ~ (c2_1 @ X0) | ~ (c0_1 @ X0))) | 
% 1.35/1.47       ( (c3_1 @ a492))),
% 1.35/1.47      inference('split', [status(esa)], [zip_derived_cl1134])).
% 1.35/1.47  thf(zip_derived_cl546, plain,
% 1.35/1.47      ((![X0 : $i]: ( (c3_1 @ X0) | ~ (c2_1 @ X0) | ~ (c0_1 @ X0)))
% 1.35/1.47         <= ((![X0 : $i]: ( (c3_1 @ X0) | ~ (c2_1 @ X0) | ~ (c0_1 @ X0))))),
% 1.35/1.47      inference('split', [status(esa)], [zip_derived_cl149])).
% 1.35/1.47  thf(clause40, conjecture, (~( ( c2_1 @ a456 ) | ( ~( hskp30 ) ) ))).
% 1.35/1.47  thf(zf_stmt_43, negated_conjecture, (( c2_1 @ a456 ) | ( ~( hskp30 ) )),
% 1.35/1.47    inference('cnf.neg', [status(esa)], [clause40])).
% 1.35/1.47  thf(zip_derived_cl39, plain, (( (c2_1 @ a456) | ~ (hskp30))),
% 1.35/1.47      inference('cnf', [status(esa)], [zf_stmt_43])).
% 1.35/1.47  thf(zip_derived_cl288, plain, (( (c2_1 @ a456)) <= (( (c2_1 @ a456)))),
% 1.35/1.47      inference('split', [status(esa)], [zip_derived_cl39])).
% 1.35/1.47  thf(zip_derived_cl1131, plain,
% 1.35/1.47      (((~ (c0_1 @ a456) |  (c3_1 @ a456)))
% 1.35/1.47         <= (( (c2_1 @ a456)) & 
% 1.35/1.47             (![X0 : $i]: ( (c3_1 @ X0) | ~ (c2_1 @ X0) | ~ (c0_1 @ X0))))),
% 1.35/1.47      inference('s_sup+', [status(thm)], [zip_derived_cl546, zip_derived_cl288])).
% 1.35/1.47  thf('41', plain,
% 1.35/1.47      (( (c3_1 @ a456)) | ~ ( (c2_1 @ a456)) | 
% 1.35/1.47       ~ (![X0 : $i]: ( (c3_1 @ X0) | ~ (c2_1 @ X0) | ~ (c0_1 @ X0))) | 
% 1.35/1.47       ~ ( (c0_1 @ a456))),
% 1.35/1.47      inference('split', [status(esa)], [zip_derived_cl1131])).
% 1.35/1.47  thf(zip_derived_cl554, plain,
% 1.35/1.47      ((![X0 : $i]: (~ (c3_1 @ X0) | ~ (c0_1 @ X0) | ~ (c1_1 @ X0)))
% 1.35/1.47         <= ((![X0 : $i]: (~ (c3_1 @ X0) | ~ (c0_1 @ X0) | ~ (c1_1 @ X0))))),
% 1.35/1.47      inference('split', [status(esa)], [zip_derived_cl151])).
% 1.35/1.47  thf(zip_derived_cl286, plain, (( (c1_1 @ a456)) <= (( (c1_1 @ a456)))),
% 1.35/1.47      inference('split', [status(esa)], [zip_derived_cl38])).
% 1.35/1.47  thf(zip_derived_cl784, plain,
% 1.35/1.47      (((~ (c0_1 @ a456) | ~ (c3_1 @ a456)))
% 1.35/1.47         <= (( (c1_1 @ a456)) & 
% 1.35/1.47             (![X0 : $i]: (~ (c3_1 @ X0) | ~ (c0_1 @ X0) | ~ (c1_1 @ X0))))),
% 1.35/1.47      inference('s_sup+', [status(thm)], [zip_derived_cl554, zip_derived_cl286])).
% 1.35/1.47  thf('42', plain,
% 1.35/1.47      (~ ( (c3_1 @ a456)) | ~ ( (c0_1 @ a456)) | 
% 1.35/1.47       ~ (![X0 : $i]: (~ (c3_1 @ X0) | ~ (c0_1 @ X0) | ~ (c1_1 @ X0))) | 
% 1.35/1.47       ~ ( (c1_1 @ a456))),
% 1.35/1.47      inference('split', [status(esa)], [zip_derived_cl784])).
% 1.35/1.47  thf(clause197, conjecture,
% 1.35/1.47    (~( ( c2_1 @ W ) | ( c0_1 @ W ) | ( c0_1 @ V ) | ( c1_1 @ U ) | 
% 1.35/1.47        ( ~( c3_1 @ W ) ) | ( ~( c2_1 @ V ) ) | ( ~( c1_1 @ V ) ) | 
% 1.35/1.47        ( ~( ndr1_0 ) ) | ( ~( c3_1 @ U ) ) | ( ~( c0_1 @ U ) ) ))).
% 1.35/1.47  thf(zf_stmt_44, negated_conjecture,
% 1.35/1.47    (( c2_1 @ W ) | ( c0_1 @ W ) | ( c0_1 @ V ) | ( c1_1 @ U ) | 
% 1.35/1.47     ( ~( c3_1 @ W ) ) | ( ~( c2_1 @ V ) ) | ( ~( c1_1 @ V ) ) | 
% 1.35/1.47     ( ~( ndr1_0 ) ) | ( ~( c3_1 @ U ) ) | ( ~( c0_1 @ U ) )),
% 1.35/1.47    inference('cnf.neg', [status(esa)], [clause197])).
% 1.35/1.47  thf(zip_derived_cl196, plain,
% 1.35/1.47      (![X0 : $i, X1 : $i, X2 : $i]:
% 1.35/1.47         ( (c2_1 @ X0)
% 1.35/1.47          |  (c0_1 @ X0)
% 1.35/1.47          |  (c0_1 @ X1)
% 1.35/1.47          |  (c1_1 @ X2)
% 1.35/1.47          | ~ (c3_1 @ X0)
% 1.35/1.47          | ~ (c2_1 @ X1)
% 1.35/1.47          | ~ (c1_1 @ X1)
% 1.35/1.47          | ~ (ndr1_0)
% 1.35/1.47          | ~ (c3_1 @ X2)
% 1.35/1.47          | ~ (c0_1 @ X2))),
% 1.35/1.47      inference('cnf', [status(esa)], [zf_stmt_44])).
% 1.35/1.47  thf('43', plain,
% 1.35/1.47      ((![X0 : $i]: (~ (c2_1 @ X0) |  (c0_1 @ X0) | ~ (c1_1 @ X0))) | 
% 1.35/1.47       (![X0 : $i]: (~ (c3_1 @ X0) |  (c2_1 @ X0) |  (c0_1 @ X0))) | 
% 1.35/1.47       ~ ( (ndr1_0)) | 
% 1.35/1.47       (![X0 : $i]: (~ (c3_1 @ X0) | ~ (c0_1 @ X0) |  (c1_1 @ X0)))),
% 1.35/1.47      inference('split', [status(esa)], [zip_derived_cl196])).
% 1.35/1.47  thf('44', plain,
% 1.35/1.47      (( (hskp29)) | ( (hskp0)) | 
% 1.35/1.47       (![X0 : $i]: (~ (c3_1 @ X0) | ~ (c2_1 @ X0) | ~ (c0_1 @ X0))) | 
% 1.35/1.47       ~ ( (ndr1_0))),
% 1.35/1.47      inference('split', [status(esa)], [zip_derived_cl154])).
% 1.35/1.47  thf(clause41, conjecture, (~( ( c1_1 @ a447 ) | ( ~( hskp29 ) ) ))).
% 1.35/1.47  thf(zf_stmt_45, negated_conjecture, (( c1_1 @ a447 ) | ( ~( hskp29 ) )),
% 1.35/1.47    inference('cnf.neg', [status(esa)], [clause41])).
% 1.35/1.47  thf(zip_derived_cl40, plain, (( (c1_1 @ a447) | ~ (hskp29))),
% 1.35/1.47      inference('cnf', [status(esa)], [zf_stmt_45])).
% 1.35/1.47  thf(zip_derived_cl290, plain, (( (c1_1 @ a447)) <= (( (c1_1 @ a447)))),
% 1.35/1.47      inference('split', [status(esa)], [zip_derived_cl40])).
% 1.35/1.47  thf(zip_derived_cl554, plain,
% 1.35/1.47      ((![X0 : $i]: (~ (c3_1 @ X0) | ~ (c0_1 @ X0) | ~ (c1_1 @ X0)))
% 1.35/1.47         <= ((![X0 : $i]: (~ (c3_1 @ X0) | ~ (c0_1 @ X0) | ~ (c1_1 @ X0))))),
% 1.35/1.47      inference('split', [status(esa)], [zip_derived_cl151])).
% 1.35/1.47  thf(zip_derived_cl796, plain,
% 1.35/1.47      (((~ (c3_1 @ a447) | ~ (c0_1 @ a447)))
% 1.35/1.47         <= (( (c1_1 @ a447)) & 
% 1.35/1.47             (![X0 : $i]: (~ (c3_1 @ X0) | ~ (c0_1 @ X0) | ~ (c1_1 @ X0))))),
% 1.35/1.47      inference('s_sup-', [status(thm)], [zip_derived_cl290, zip_derived_cl554])).
% 1.35/1.47  thf('45', plain,
% 1.35/1.47      (~ ( (c0_1 @ a447)) | ~ ( (c3_1 @ a447)) | 
% 1.35/1.47       ~ (![X0 : $i]: (~ (c3_1 @ X0) | ~ (c0_1 @ X0) | ~ (c1_1 @ X0))) | 
% 1.35/1.47       ~ ( (c1_1 @ a447))),
% 1.35/1.47      inference('split', [status(esa)], [zip_derived_cl796])).
% 1.35/1.47  thf(clause132, conjecture,
% 1.35/1.47    (~( ( hskp0 ) | ( hskp28 ) | ( c1_1 @ U ) | ( c0_1 @ U ) | 
% 1.35/1.47        ( ~( ndr1_0 ) ) | ( ~( c2_1 @ U ) ) ))).
% 1.35/1.47  thf(zf_stmt_46, negated_conjecture,
% 1.35/1.47    (( hskp0 ) | ( hskp28 ) | ( c1_1 @ U ) | ( c0_1 @ U ) | ( ~( ndr1_0 ) ) | 
% 1.35/1.47     ( ~( c2_1 @ U ) )),
% 1.35/1.47    inference('cnf.neg', [status(esa)], [clause132])).
% 1.35/1.47  thf(zip_derived_cl131, plain,
% 1.35/1.47      (![X0 : $i]:
% 1.35/1.47         ( (hskp0)
% 1.35/1.47          |  (hskp28)
% 1.35/1.47          |  (c1_1 @ X0)
% 1.35/1.47          |  (c0_1 @ X0)
% 1.35/1.47          | ~ (ndr1_0)
% 1.35/1.47          | ~ (c2_1 @ X0))),
% 1.35/1.47      inference('cnf', [status(esa)], [zf_stmt_46])).
% 1.35/1.47  thf(zip_derived_cl474, plain,
% 1.35/1.47      ((![X0 : $i]: (~ (c2_1 @ X0) |  (c0_1 @ X0) |  (c1_1 @ X0)))
% 1.35/1.47         <= ((![X0 : $i]: (~ (c2_1 @ X0) |  (c0_1 @ X0) |  (c1_1 @ X0))))),
% 1.35/1.47      inference('split', [status(esa)], [zip_derived_cl131])).
% 1.35/1.47  thf(zip_derived_cl418, plain, ((~ (c1_1 @ a451)) <= (~ ( (c1_1 @ a451)))),
% 1.35/1.47      inference('split', [status(esa)], [zip_derived_cl104])).
% 1.35/1.47  thf(zip_derived_cl1177, plain,
% 1.35/1.47      ((( (c0_1 @ a451) | ~ (c2_1 @ a451)))
% 1.35/1.47         <= (~ ( (c1_1 @ a451)) & 
% 1.35/1.47             (![X0 : $i]: (~ (c2_1 @ X0) |  (c0_1 @ X0) |  (c1_1 @ X0))))),
% 1.35/1.47      inference('s_sup-', [status(thm)], [zip_derived_cl474, zip_derived_cl418])).
% 1.35/1.47  thf('46', plain,
% 1.35/1.47      (( (c0_1 @ a451)) | ~ ( (c2_1 @ a451)) | 
% 1.35/1.47       ~ (![X0 : $i]: (~ (c2_1 @ X0) |  (c0_1 @ X0) |  (c1_1 @ X0))) | 
% 1.35/1.47       ( (c1_1 @ a451))),
% 1.35/1.47      inference('split', [status(esa)], [zip_derived_cl1177])).
% 1.35/1.47  thf(clause51, conjecture, (~( ( c1_1 @ a486 ) | ( ~( hskp24 ) ) ))).
% 1.35/1.47  thf(zf_stmt_47, negated_conjecture, (( c1_1 @ a486 ) | ( ~( hskp24 ) )),
% 1.35/1.47    inference('cnf.neg', [status(esa)], [clause51])).
% 1.35/1.47  thf(zip_derived_cl50, plain, (( (c1_1 @ a486) | ~ (hskp24))),
% 1.35/1.47      inference('cnf', [status(esa)], [zf_stmt_47])).
% 1.35/1.47  thf('47', plain, (( (c1_1 @ a486)) | ~ ( (hskp24))),
% 1.35/1.47      inference('split', [status(esa)], [zip_derived_cl50])).
% 1.35/1.47  thf(clause52, conjecture, (~( ( c2_1 @ a486 ) | ( ~( hskp24 ) ) ))).
% 1.35/1.47  thf(zf_stmt_48, negated_conjecture, (( c2_1 @ a486 ) | ( ~( hskp24 ) )),
% 1.35/1.47    inference('cnf.neg', [status(esa)], [clause52])).
% 1.35/1.47  thf(zip_derived_cl51, plain, (( (c2_1 @ a486) | ~ (hskp24))),
% 1.35/1.47      inference('cnf', [status(esa)], [zf_stmt_48])).
% 1.35/1.47  thf('48', plain, (( (c2_1 @ a486)) | ~ ( (hskp24))),
% 1.35/1.47      inference('split', [status(esa)], [zip_derived_cl51])).
% 1.35/1.47  thf(clause88, conjecture, (~( ( ~( hskp24 ) ) | ( ~( c0_1 @ a486 ) ) ))).
% 1.35/1.47  thf(zf_stmt_49, negated_conjecture, (( ~( hskp24 ) ) | ( ~( c0_1 @ a486 ) )),
% 1.35/1.47    inference('cnf.neg', [status(esa)], [clause88])).
% 1.35/1.47  thf(zip_derived_cl87, plain, ((~ (hskp24) | ~ (c0_1 @ a486))),
% 1.35/1.47      inference('cnf', [status(esa)], [zf_stmt_49])).
% 1.35/1.47  thf('49', plain, (~ ( (c0_1 @ a486)) | ~ ( (hskp24))),
% 1.35/1.47      inference('split', [status(esa)], [zip_derived_cl87])).
% 1.35/1.47  thf(clause181, conjecture,
% 1.35/1.47    (~( ( hskp8 ) | ( c0_1 @ V ) | ( c0_1 @ U ) | ( ~( c2_1 @ V ) ) | 
% 1.35/1.47        ( ~( c1_1 @ V ) ) | ( ~( ndr1_0 ) ) | ( ~( c3_1 @ U ) ) | 
% 1.35/1.47        ( ~( c2_1 @ U ) ) ))).
% 1.35/1.47  thf(zf_stmt_50, negated_conjecture,
% 1.35/1.47    (( hskp8 ) | ( c0_1 @ V ) | ( c0_1 @ U ) | ( ~( c2_1 @ V ) ) | 
% 1.35/1.47     ( ~( c1_1 @ V ) ) | ( ~( ndr1_0 ) ) | ( ~( c3_1 @ U ) ) | 
% 1.35/1.47     ( ~( c2_1 @ U ) )),
% 1.35/1.47    inference('cnf.neg', [status(esa)], [clause181])).
% 1.35/1.47  thf(zip_derived_cl180, plain,
% 1.35/1.47      (![X0 : $i, X1 : $i]:
% 1.35/1.47         ( (hskp8)
% 1.35/1.47          |  (c0_1 @ X0)
% 1.35/1.47          |  (c0_1 @ X1)
% 1.35/1.47          | ~ (c2_1 @ X0)
% 1.35/1.47          | ~ (c1_1 @ X0)
% 1.35/1.47          | ~ (ndr1_0)
% 1.35/1.47          | ~ (c3_1 @ X1)
% 1.35/1.47          | ~ (c2_1 @ X1))),
% 1.35/1.47      inference('cnf', [status(esa)], [zf_stmt_50])).
% 1.35/1.47  thf('50', plain,
% 1.35/1.47      ((![X0 : $i]: (~ (c2_1 @ X0) |  (c0_1 @ X0) | ~ (c1_1 @ X0))) | 
% 1.35/1.47       ( (hskp8)) | 
% 1.35/1.47       (![X0 : $i]: (~ (c3_1 @ X0) | ~ (c2_1 @ X0) |  (c0_1 @ X0))) | 
% 1.35/1.47       ~ ( (ndr1_0))),
% 1.35/1.47      inference('split', [status(esa)], [zip_derived_cl180])).
% 1.35/1.47  thf('51', plain,
% 1.35/1.47      (( (hskp24)) | 
% 1.35/1.47       (![X0 : $i]: (~ (c3_1 @ X0) | ~ (c0_1 @ X0) | ~ (c1_1 @ X0))) | 
% 1.35/1.47       ( (hskp8)) | ~ ( (ndr1_0))),
% 1.35/1.47      inference('split', [status(esa)], [zip_derived_cl151])).
% 1.35/1.47  thf(zip_derived_cl670, plain,
% 1.35/1.47      ((![X0 : $i]: (~ (c2_1 @ X0) |  (c0_1 @ X0) | ~ (c1_1 @ X0)))
% 1.35/1.47         <= ((![X0 : $i]: (~ (c2_1 @ X0) |  (c0_1 @ X0) | ~ (c1_1 @ X0))))),
% 1.35/1.47      inference('split', [status(esa)], [zip_derived_cl180])).
% 1.35/1.47  thf(zip_derived_cl310, plain, (( (c1_1 @ a486)) <= (( (c1_1 @ a486)))),
% 1.35/1.47      inference('split', [status(esa)], [zip_derived_cl50])).
% 1.35/1.47  thf(zip_derived_cl1285, plain,
% 1.35/1.47      ((( (c0_1 @ a486) | ~ (c2_1 @ a486)))
% 1.35/1.47         <= (( (c1_1 @ a486)) & 
% 1.35/1.47             (![X0 : $i]: (~ (c2_1 @ X0) |  (c0_1 @ X0) | ~ (c1_1 @ X0))))),
% 1.35/1.47      inference('s_sup+', [status(thm)], [zip_derived_cl670, zip_derived_cl310])).
% 1.35/1.47  thf('52', plain,
% 1.35/1.47      (~ ( (c1_1 @ a486)) | ~ ( (c2_1 @ a486)) | 
% 1.35/1.47       ~ (![X0 : $i]: (~ (c2_1 @ X0) |  (c0_1 @ X0) | ~ (c1_1 @ X0))) | 
% 1.35/1.47       ( (c0_1 @ a486))),
% 1.35/1.47      inference('split', [status(esa)], [zip_derived_cl1285])).
% 1.35/1.47  thf(clause154, conjecture,
% 1.35/1.47    (~( ( hskp3 ) | ( hskp12 ) | ( ~( ndr1_0 ) ) | ( ~( c3_1 @ U ) ) | 
% 1.35/1.47        ( ~( c1_1 @ U ) ) | ( ~( c0_1 @ U ) ) ))).
% 1.35/1.47  thf(zf_stmt_51, negated_conjecture,
% 1.35/1.47    (( hskp3 ) | ( hskp12 ) | ( ~( ndr1_0 ) ) | ( ~( c3_1 @ U ) ) | 
% 1.35/1.47     ( ~( c1_1 @ U ) ) | ( ~( c0_1 @ U ) )),
% 1.35/1.47    inference('cnf.neg', [status(esa)], [clause154])).
% 1.35/1.47  thf(zip_derived_cl153, plain,
% 1.35/1.47      (![X0 : $i]:
% 1.35/1.47         ( (hskp3)
% 1.35/1.47          |  (hskp12)
% 1.35/1.47          | ~ (ndr1_0)
% 1.35/1.47          | ~ (c3_1 @ X0)
% 1.35/1.47          | ~ (c1_1 @ X0)
% 1.35/1.47          | ~ (c0_1 @ X0))),
% 1.35/1.47      inference('cnf', [status(esa)], [zf_stmt_51])).
% 1.35/1.47  thf('53', plain,
% 1.35/1.47      (( (hskp3)) | ( (hskp12)) | 
% 1.35/1.47       (![X0 : $i]: (~ (c3_1 @ X0) | ~ (c0_1 @ X0) | ~ (c1_1 @ X0))) | 
% 1.35/1.47       ~ ( (ndr1_0))),
% 1.35/1.47      inference('split', [status(esa)], [zip_derived_cl153])).
% 1.35/1.47  thf(clause179, conjecture,
% 1.35/1.47    (~( ( hskp13 ) | ( c2_1 @ V ) | ( c0_1 @ V ) | ( ~( c1_1 @ V ) ) | 
% 1.35/1.47        ( ~( ndr1_0 ) ) | ( ~( c3_1 @ U ) ) | ( ~( c1_1 @ U ) ) | 
% 1.35/1.47        ( ~( c0_1 @ U ) ) ))).
% 1.35/1.47  thf(zf_stmt_52, negated_conjecture,
% 1.35/1.47    (( hskp13 ) | ( c2_1 @ V ) | ( c0_1 @ V ) | ( ~( c1_1 @ V ) ) | 
% 1.35/1.47     ( ~( ndr1_0 ) ) | ( ~( c3_1 @ U ) ) | ( ~( c1_1 @ U ) ) | 
% 1.35/1.47     ( ~( c0_1 @ U ) )),
% 1.35/1.47    inference('cnf.neg', [status(esa)], [clause179])).
% 1.35/1.47  thf(zip_derived_cl178, plain,
% 1.35/1.47      (![X0 : $i, X1 : $i]:
% 1.35/1.47         ( (hskp13)
% 1.35/1.47          |  (c2_1 @ X0)
% 1.35/1.47          |  (c0_1 @ X0)
% 1.35/1.47          | ~ (c1_1 @ X0)
% 1.35/1.47          | ~ (ndr1_0)
% 1.35/1.47          | ~ (c3_1 @ X1)
% 1.35/1.47          | ~ (c1_1 @ X1)
% 1.35/1.47          | ~ (c0_1 @ X1))),
% 1.35/1.47      inference('cnf', [status(esa)], [zf_stmt_52])).
% 1.35/1.47  thf('54', plain,
% 1.35/1.47      ((![X0 : $i]: ( (c2_1 @ X0) |  (c0_1 @ X0) | ~ (c1_1 @ X0))) | 
% 1.35/1.47       (![X0 : $i]: (~ (c3_1 @ X0) | ~ (c0_1 @ X0) | ~ (c1_1 @ X0))) | 
% 1.35/1.47       ~ ( (ndr1_0)) | ( (hskp13))),
% 1.35/1.47      inference('split', [status(esa)], [zip_derived_cl178])).
% 1.35/1.47  thf(zip_derived_cl1537, plain,
% 1.35/1.47      ((![X0 : $i]: (~ (c3_1 @ X0) | ~ (c0_1 @ X0)))
% 1.35/1.47         <= ((![X0 : $i]: (~ (c3_1 @ X0) | ~ (c0_1 @ X0) |  (c1_1 @ X0))) & 
% 1.35/1.47             (![X0 : $i]: (~ (c3_1 @ X0) | ~ (c0_1 @ X0) | ~ (c1_1 @ X0))))),
% 1.35/1.47      inference('simplify', [status(thm)], [zip_derived_cl1529])).
% 1.35/1.47  thf(clause43, conjecture, (~( ( c3_1 @ a447 ) | ( ~( hskp29 ) ) ))).
% 1.35/1.47  thf(zf_stmt_53, negated_conjecture, (( c3_1 @ a447 ) | ( ~( hskp29 ) )),
% 1.35/1.47    inference('cnf.neg', [status(esa)], [clause43])).
% 1.35/1.47  thf(zip_derived_cl42, plain, (( (c3_1 @ a447) | ~ (hskp29))),
% 1.35/1.47      inference('cnf', [status(esa)], [zf_stmt_53])).
% 1.35/1.47  thf(zip_derived_cl294, plain, (( (c3_1 @ a447)) <= (( (c3_1 @ a447)))),
% 1.35/1.47      inference('split', [status(esa)], [zip_derived_cl42])).
% 1.35/1.47  thf(zip_derived_cl2342, plain,
% 1.35/1.47      ((~ (c0_1 @ a447))
% 1.35/1.47         <= (( (c3_1 @ a447)) & 
% 1.35/1.47             (![X0 : $i]: (~ (c3_1 @ X0) | ~ (c0_1 @ X0) |  (c1_1 @ X0))) & 
% 1.35/1.47             (![X0 : $i]: (~ (c3_1 @ X0) | ~ (c0_1 @ X0) | ~ (c1_1 @ X0))))),
% 1.35/1.47      inference('s_sup+', [status(thm)],
% 1.35/1.47                [zip_derived_cl1537, zip_derived_cl294])).
% 1.35/1.47  thf(clause144, conjecture,
% 1.35/1.47    (~( ( hskp22 ) | ( hskp21 ) | ( c0_1 @ U ) | ( ~( ndr1_0 ) ) | 
% 1.35/1.47        ( ~( c3_1 @ U ) ) | ( ~( c2_1 @ U ) ) ))).
% 1.35/1.47  thf(zf_stmt_54, negated_conjecture,
% 1.35/1.47    (( hskp22 ) | ( hskp21 ) | ( c0_1 @ U ) | ( ~( ndr1_0 ) ) | 
% 1.35/1.47     ( ~( c3_1 @ U ) ) | ( ~( c2_1 @ U ) )),
% 1.35/1.47    inference('cnf.neg', [status(esa)], [clause144])).
% 1.35/1.47  thf(zip_derived_cl143, plain,
% 1.35/1.47      (![X0 : $i]:
% 1.35/1.47         ( (hskp22)
% 1.35/1.47          |  (hskp21)
% 1.35/1.47          |  (c0_1 @ X0)
% 1.35/1.47          | ~ (ndr1_0)
% 1.35/1.47          | ~ (c3_1 @ X0)
% 1.35/1.47          | ~ (c2_1 @ X0))),
% 1.35/1.47      inference('cnf', [status(esa)], [zf_stmt_54])).
% 1.35/1.47  thf(zip_derived_cl522, plain,
% 1.35/1.47      ((![X0 : $i]: (~ (c3_1 @ X0) | ~ (c2_1 @ X0) |  (c0_1 @ X0)))
% 1.35/1.47         <= ((![X0 : $i]: (~ (c3_1 @ X0) | ~ (c2_1 @ X0) |  (c0_1 @ X0))))),
% 1.35/1.47      inference('split', [status(esa)], [zip_derived_cl143])).
% 1.35/1.47  thf(clause42, conjecture, (~( ( c2_1 @ a447 ) | ( ~( hskp29 ) ) ))).
% 1.35/1.47  thf(zf_stmt_55, negated_conjecture, (( c2_1 @ a447 ) | ( ~( hskp29 ) )),
% 1.35/1.47    inference('cnf.neg', [status(esa)], [clause42])).
% 1.35/1.47  thf(zip_derived_cl41, plain, (( (c2_1 @ a447) | ~ (hskp29))),
% 1.35/1.47      inference('cnf', [status(esa)], [zf_stmt_55])).
% 1.35/1.47  thf(zip_derived_cl292, plain, (( (c2_1 @ a447)) <= (( (c2_1 @ a447)))),
% 1.35/1.47      inference('split', [status(esa)], [zip_derived_cl41])).
% 1.35/1.47  thf(zip_derived_cl1023, plain,
% 1.35/1.47      ((( (c0_1 @ a447) | ~ (c3_1 @ a447)))
% 1.35/1.47         <= (( (c2_1 @ a447)) & 
% 1.35/1.47             (![X0 : $i]: (~ (c3_1 @ X0) | ~ (c2_1 @ X0) |  (c0_1 @ X0))))),
% 1.35/1.47      inference('s_sup+', [status(thm)], [zip_derived_cl522, zip_derived_cl292])).
% 1.35/1.47  thf(zip_derived_cl1428, plain, (( (c0_1 @ a447)) <= (( (c0_1 @ a447)))),
% 1.35/1.47      inference('split', [status(esa)], [zip_derived_cl1023])).
% 1.35/1.47  thf('55', plain,
% 1.35/1.47      (~ ( (c0_1 @ a447)) | ~ ( (c3_1 @ a447)) | 
% 1.35/1.47       ~ (![X0 : $i]: (~ (c3_1 @ X0) | ~ (c0_1 @ X0) |  (c1_1 @ X0))) | 
% 1.35/1.47       ~ (![X0 : $i]: (~ (c3_1 @ X0) | ~ (c0_1 @ X0) | ~ (c1_1 @ X0)))),
% 1.35/1.47      inference('s_sup+', [status(thm)],
% 1.35/1.47                [zip_derived_cl2342, zip_derived_cl1428])).
% 1.35/1.47  thf(zip_derived_cl1537, plain,
% 1.35/1.47      ((![X0 : $i]: (~ (c3_1 @ X0) | ~ (c0_1 @ X0)))
% 1.35/1.47         <= ((![X0 : $i]: (~ (c3_1 @ X0) | ~ (c0_1 @ X0) |  (c1_1 @ X0))) & 
% 1.35/1.47             (![X0 : $i]: (~ (c3_1 @ X0) | ~ (c0_1 @ X0) | ~ (c1_1 @ X0))))),
% 1.35/1.47      inference('simplify', [status(thm)], [zip_derived_cl1529])).
% 1.35/1.47  thf(clause46, conjecture, (~( ( c3_1 @ a437 ) | ( ~( hskp28 ) ) ))).
% 1.35/1.47  thf(zf_stmt_56, negated_conjecture, (( c3_1 @ a437 ) | ( ~( hskp28 ) )),
% 1.35/1.47    inference('cnf.neg', [status(esa)], [clause46])).
% 1.35/1.47  thf(zip_derived_cl45, plain, (( (c3_1 @ a437) | ~ (hskp28))),
% 1.35/1.47      inference('cnf', [status(esa)], [zf_stmt_56])).
% 1.35/1.47  thf(zip_derived_cl300, plain, (( (c3_1 @ a437)) <= (( (c3_1 @ a437)))),
% 1.35/1.47      inference('split', [status(esa)], [zip_derived_cl45])).
% 1.35/1.47  thf(zip_derived_cl2343, plain,
% 1.35/1.47      ((~ (c0_1 @ a437))
% 1.35/1.47         <= (( (c3_1 @ a437)) & 
% 1.35/1.47             (![X0 : $i]: (~ (c3_1 @ X0) | ~ (c0_1 @ X0) |  (c1_1 @ X0))) & 
% 1.35/1.47             (![X0 : $i]: (~ (c3_1 @ X0) | ~ (c0_1 @ X0) | ~ (c1_1 @ X0))))),
% 1.35/1.47      inference('s_sup+', [status(thm)],
% 1.35/1.47                [zip_derived_cl1537, zip_derived_cl300])).
% 1.35/1.47  thf(clause44, conjecture, (~( ( c0_1 @ a437 ) | ( ~( hskp28 ) ) ))).
% 1.35/1.47  thf(zf_stmt_57, negated_conjecture, (( c0_1 @ a437 ) | ( ~( hskp28 ) )),
% 1.35/1.47    inference('cnf.neg', [status(esa)], [clause44])).
% 1.35/1.47  thf(zip_derived_cl43, plain, (( (c0_1 @ a437) | ~ (hskp28))),
% 1.35/1.47      inference('cnf', [status(esa)], [zf_stmt_57])).
% 1.35/1.47  thf(zip_derived_cl296, plain, (( (c0_1 @ a437)) <= (( (c0_1 @ a437)))),
% 1.35/1.47      inference('split', [status(esa)], [zip_derived_cl43])).
% 1.35/1.47  thf('56', plain,
% 1.35/1.47      (~ ( (c0_1 @ a437)) | ~ ( (c3_1 @ a437)) | 
% 1.35/1.47       ~ (![X0 : $i]: (~ (c3_1 @ X0) | ~ (c0_1 @ X0) |  (c1_1 @ X0))) | 
% 1.35/1.47       ~ (![X0 : $i]: (~ (c3_1 @ X0) | ~ (c0_1 @ X0) | ~ (c1_1 @ X0)))),
% 1.35/1.47      inference('s_sup+', [status(thm)],
% 1.35/1.47                [zip_derived_cl2343, zip_derived_cl296])).
% 1.35/1.47  thf(zip_derived_cl530, plain,
% 1.35/1.47      ((![X0 : $i]: (~ (c3_1 @ X0) | ~ (c0_1 @ X0) |  (c1_1 @ X0)))
% 1.35/1.47         <= ((![X0 : $i]: (~ (c3_1 @ X0) | ~ (c0_1 @ X0) |  (c1_1 @ X0))))),
% 1.35/1.47      inference('split', [status(esa)], [zip_derived_cl145])).
% 1.35/1.47  thf(zip_derived_cl418, plain, ((~ (c1_1 @ a451)) <= (~ ( (c1_1 @ a451)))),
% 1.35/1.47      inference('split', [status(esa)], [zip_derived_cl104])).
% 1.35/1.47  thf(zip_derived_cl1518, plain,
% 1.35/1.47      (((~ (c0_1 @ a451) | ~ (c3_1 @ a451)))
% 1.35/1.47         <= (~ ( (c1_1 @ a451)) & 
% 1.35/1.47             (![X0 : $i]: (~ (c3_1 @ X0) | ~ (c0_1 @ X0) |  (c1_1 @ X0))))),
% 1.35/1.47      inference('s_sup-', [status(thm)], [zip_derived_cl530, zip_derived_cl418])).
% 1.35/1.47  thf('57', plain,
% 1.35/1.47      (~ (![X0 : $i]: (~ (c3_1 @ X0) | ~ (c0_1 @ X0) |  (c1_1 @ X0))) | 
% 1.35/1.47       ~ ( (c0_1 @ a451)) | ~ ( (c3_1 @ a451)) | ( (c1_1 @ a451))),
% 1.35/1.47      inference('split', [status(esa)], [zip_derived_cl1518])).
% 1.35/1.47  thf(clause201, conjecture,
% 1.35/1.47    (~( ( c3_1 @ W ) | ( c0_1 @ W ) | ( c2_1 @ V ) | ( ~( c1_1 @ W ) ) | 
% 1.35/1.47        ( ~( c1_1 @ V ) ) | ( ~( c0_1 @ V ) ) | ( ~( ndr1_0 ) ) | 
% 1.35/1.47        ( ~( c3_1 @ U ) ) | ( ~( c1_1 @ U ) ) | ( ~( c0_1 @ U ) ) ))).
% 1.35/1.47  thf(zf_stmt_58, negated_conjecture,
% 1.35/1.47    (( c3_1 @ W ) | ( c0_1 @ W ) | ( c2_1 @ V ) | ( ~( c1_1 @ W ) ) | 
% 1.35/1.47     ( ~( c1_1 @ V ) ) | ( ~( c0_1 @ V ) ) | ( ~( ndr1_0 ) ) | 
% 1.35/1.47     ( ~( c3_1 @ U ) ) | ( ~( c1_1 @ U ) ) | ( ~( c0_1 @ U ) )),
% 1.35/1.47    inference('cnf.neg', [status(esa)], [clause201])).
% 1.35/1.47  thf(zip_derived_cl200, plain,
% 1.35/1.47      (![X0 : $i, X1 : $i, X2 : $i]:
% 1.35/1.47         ( (c3_1 @ X0)
% 1.35/1.47          |  (c0_1 @ X0)
% 1.35/1.47          |  (c2_1 @ X1)
% 1.35/1.47          | ~ (c1_1 @ X0)
% 1.35/1.47          | ~ (c1_1 @ X1)
% 1.35/1.47          | ~ (c0_1 @ X1)
% 1.35/1.47          | ~ (ndr1_0)
% 1.35/1.47          | ~ (c3_1 @ X2)
% 1.35/1.47          | ~ (c1_1 @ X2)
% 1.35/1.47          | ~ (c0_1 @ X2))),
% 1.35/1.47      inference('cnf', [status(esa)], [zf_stmt_58])).
% 1.35/1.47  thf('58', plain,
% 1.35/1.47      ((![X0 : $i]: ( (c3_1 @ X0) |  (c0_1 @ X0) | ~ (c1_1 @ X0))) | 
% 1.35/1.47       (![X0 : $i]: (~ (c3_1 @ X0) | ~ (c0_1 @ X0) | ~ (c1_1 @ X0))) | 
% 1.35/1.47       ~ ( (ndr1_0)) | 
% 1.35/1.47       (![X0 : $i]: ( (c2_1 @ X0) | ~ (c0_1 @ X0) | ~ (c1_1 @ X0)))),
% 1.35/1.47      inference('split', [status(esa)], [zip_derived_cl200])).
% 1.35/1.47  thf(clause200, conjecture,
% 1.35/1.47    (~( ( c1_1 @ W ) | ( c0_1 @ W ) | ( c2_1 @ V ) | ( ~( c2_1 @ W ) ) | 
% 1.35/1.47        ( ~( c1_1 @ V ) ) | ( ~( c0_1 @ V ) ) | ( ~( ndr1_0 ) ) | 
% 1.35/1.47        ( ~( c3_1 @ U ) ) | ( ~( c2_1 @ U ) ) | ( ~( c0_1 @ U ) ) ))).
% 1.35/1.47  thf(zf_stmt_59, negated_conjecture,
% 1.35/1.47    (( c1_1 @ W ) | ( c0_1 @ W ) | ( c2_1 @ V ) | ( ~( c2_1 @ W ) ) | 
% 1.35/1.47     ( ~( c1_1 @ V ) ) | ( ~( c0_1 @ V ) ) | ( ~( ndr1_0 ) ) | 
% 1.35/1.47     ( ~( c3_1 @ U ) ) | ( ~( c2_1 @ U ) ) | ( ~( c0_1 @ U ) )),
% 1.35/1.47    inference('cnf.neg', [status(esa)], [clause200])).
% 1.35/1.47  thf(zip_derived_cl199, plain,
% 1.35/1.47      (![X0 : $i, X1 : $i, X2 : $i]:
% 1.35/1.47         ( (c1_1 @ X0)
% 1.35/1.47          |  (c0_1 @ X0)
% 1.35/1.47          |  (c2_1 @ X1)
% 1.35/1.47          | ~ (c2_1 @ X0)
% 1.35/1.47          | ~ (c1_1 @ X1)
% 1.35/1.47          | ~ (c0_1 @ X1)
% 1.35/1.47          | ~ (ndr1_0)
% 1.35/1.47          | ~ (c3_1 @ X2)
% 1.35/1.47          | ~ (c2_1 @ X2)
% 1.35/1.47          | ~ (c0_1 @ X2))),
% 1.35/1.47      inference('cnf', [status(esa)], [zf_stmt_59])).
% 1.35/1.47  thf('59', plain,
% 1.35/1.47      ((![X0 : $i]: (~ (c2_1 @ X0) |  (c0_1 @ X0) |  (c1_1 @ X0))) | 
% 1.35/1.47       (![X0 : $i]: (~ (c3_1 @ X0) | ~ (c2_1 @ X0) | ~ (c0_1 @ X0))) | 
% 1.35/1.47       ~ ( (ndr1_0)) | 
% 1.35/1.47       (![X0 : $i]: ( (c2_1 @ X0) | ~ (c0_1 @ X0) | ~ (c1_1 @ X0)))),
% 1.35/1.47      inference('split', [status(esa)], [zip_derived_cl199])).
% 1.35/1.47  thf(clause173, conjecture,
% 1.35/1.47    (~( ( hskp13 ) | ( c3_1 @ V ) | ( c0_1 @ V ) | ( c0_1 @ U ) | 
% 1.35/1.47        ( ~( c2_1 @ V ) ) | ( ~( ndr1_0 ) ) | ( ~( c3_1 @ U ) ) | 
% 1.35/1.47        ( ~( c2_1 @ U ) ) ))).
% 1.35/1.47  thf(zf_stmt_60, negated_conjecture,
% 1.35/1.47    (( hskp13 ) | ( c3_1 @ V ) | ( c0_1 @ V ) | ( c0_1 @ U ) | 
% 1.35/1.47     ( ~( c2_1 @ V ) ) | ( ~( ndr1_0 ) ) | ( ~( c3_1 @ U ) ) | 
% 1.35/1.47     ( ~( c2_1 @ U ) )),
% 1.35/1.47    inference('cnf.neg', [status(esa)], [clause173])).
% 1.35/1.47  thf(zip_derived_cl172, plain,
% 1.35/1.47      (![X0 : $i, X1 : $i]:
% 1.35/1.47         ( (hskp13)
% 1.35/1.47          |  (c3_1 @ X0)
% 1.35/1.47          |  (c0_1 @ X0)
% 1.35/1.47          |  (c0_1 @ X1)
% 1.35/1.47          | ~ (c2_1 @ X0)
% 1.35/1.47          | ~ (ndr1_0)
% 1.35/1.47          | ~ (c3_1 @ X1)
% 1.35/1.47          | ~ (c2_1 @ X1))),
% 1.35/1.47      inference('cnf', [status(esa)], [zf_stmt_60])).
% 1.35/1.47  thf('60', plain,
% 1.35/1.47      ((![X0 : $i]: ( (c3_1 @ X0) | ~ (c2_1 @ X0) |  (c0_1 @ X0))) | 
% 1.35/1.47       ( (hskp13)) | 
% 1.35/1.47       (![X0 : $i]: (~ (c3_1 @ X0) | ~ (c2_1 @ X0) |  (c0_1 @ X0))) | 
% 1.35/1.47       ~ ( (ndr1_0))),
% 1.35/1.47      inference('split', [status(esa)], [zip_derived_cl172])).
% 1.35/1.47  thf(clause147, conjecture,
% 1.35/1.47    (~( ( hskp8 ) | ( hskp26 ) | ( c1_1 @ U ) | ( ~( ndr1_0 ) ) | 
% 1.35/1.47        ( ~( c3_1 @ U ) ) | ( ~( c0_1 @ U ) ) ))).
% 1.35/1.47  thf(zf_stmt_61, negated_conjecture,
% 1.35/1.47    (( hskp8 ) | ( hskp26 ) | ( c1_1 @ U ) | ( ~( ndr1_0 ) ) | 
% 1.35/1.47     ( ~( c3_1 @ U ) ) | ( ~( c0_1 @ U ) )),
% 1.35/1.47    inference('cnf.neg', [status(esa)], [clause147])).
% 1.35/1.47  thf(zip_derived_cl146, plain,
% 1.35/1.47      (![X0 : $i]:
% 1.35/1.47         ( (hskp8)
% 1.35/1.47          |  (hskp26)
% 1.35/1.47          |  (c1_1 @ X0)
% 1.35/1.47          | ~ (ndr1_0)
% 1.35/1.47          | ~ (c3_1 @ X0)
% 1.35/1.47          | ~ (c0_1 @ X0))),
% 1.35/1.47      inference('cnf', [status(esa)], [zf_stmt_61])).
% 1.35/1.47  thf('61', plain,
% 1.35/1.47      (( (hskp26)) | ( (hskp8)) | 
% 1.35/1.47       (![X0 : $i]: (~ (c3_1 @ X0) | ~ (c0_1 @ X0) |  (c1_1 @ X0))) | 
% 1.35/1.47       ~ ( (ndr1_0))),
% 1.35/1.47      inference('split', [status(esa)], [zip_derived_cl146])).
% 1.35/1.47  thf(clause175, conjecture,
% 1.35/1.47    (~( ( hskp20 ) | ( c0_1 @ V ) | ( c3_1 @ U ) | ( c1_1 @ U ) | 
% 1.35/1.47        ( ~( c3_1 @ V ) ) | ( ~( c2_1 @ V ) ) | ( ~( ndr1_0 ) ) | 
% 1.35/1.47        ( ~( c0_1 @ U ) ) ))).
% 1.35/1.47  thf(zf_stmt_62, negated_conjecture,
% 1.35/1.47    (( hskp20 ) | ( c0_1 @ V ) | ( c3_1 @ U ) | ( c1_1 @ U ) | 
% 1.35/1.47     ( ~( c3_1 @ V ) ) | ( ~( c2_1 @ V ) ) | ( ~( ndr1_0 ) ) | 
% 1.35/1.47     ( ~( c0_1 @ U ) )),
% 1.35/1.47    inference('cnf.neg', [status(esa)], [clause175])).
% 1.35/1.47  thf(zip_derived_cl174, plain,
% 1.35/1.47      (![X0 : $i, X1 : $i]:
% 1.35/1.47         ( (hskp20)
% 1.35/1.47          |  (c0_1 @ X0)
% 1.35/1.47          |  (c3_1 @ X1)
% 1.35/1.47          |  (c1_1 @ X1)
% 1.35/1.47          | ~ (c3_1 @ X0)
% 1.35/1.47          | ~ (c2_1 @ X0)
% 1.35/1.47          | ~ (ndr1_0)
% 1.35/1.47          | ~ (c0_1 @ X1))),
% 1.35/1.47      inference('cnf', [status(esa)], [zf_stmt_62])).
% 1.35/1.47  thf('62', plain,
% 1.35/1.47      (( (hskp20)) | 
% 1.35/1.47       (![X1 : $i]: ( (c3_1 @ X1) | ~ (c0_1 @ X1) |  (c1_1 @ X1))) | 
% 1.35/1.47       ~ ( (ndr1_0)) | 
% 1.35/1.47       (![X0 : $i]: (~ (c3_1 @ X0) | ~ (c2_1 @ X0) |  (c0_1 @ X0)))),
% 1.35/1.47      inference('split', [status(esa)], [zip_derived_cl174])).
% 1.35/1.47  thf(clause188, conjecture,
% 1.35/1.47    (~( ( hskp30 ) | ( c2_1 @ V ) | ( ~( c3_1 @ V ) ) | ( ~( c0_1 @ V ) ) | 
% 1.35/1.47        ( ~( ndr1_0 ) ) | ( ~( c2_1 @ U ) ) | ( ~( c1_1 @ U ) ) | 
% 1.35/1.47        ( ~( c0_1 @ U ) ) ))).
% 1.35/1.47  thf(zf_stmt_63, negated_conjecture,
% 1.35/1.47    (( hskp30 ) | ( c2_1 @ V ) | ( ~( c3_1 @ V ) ) | ( ~( c0_1 @ V ) ) | 
% 1.35/1.47     ( ~( ndr1_0 ) ) | ( ~( c2_1 @ U ) ) | ( ~( c1_1 @ U ) ) | 
% 1.35/1.47     ( ~( c0_1 @ U ) )),
% 1.35/1.47    inference('cnf.neg', [status(esa)], [clause188])).
% 1.35/1.47  thf(zip_derived_cl187, plain,
% 1.35/1.47      (![X0 : $i, X1 : $i]:
% 1.35/1.47         ( (hskp30)
% 1.35/1.47          |  (c2_1 @ X0)
% 1.35/1.47          | ~ (c3_1 @ X0)
% 1.35/1.47          | ~ (c0_1 @ X0)
% 1.35/1.47          | ~ (ndr1_0)
% 1.35/1.47          | ~ (c2_1 @ X1)
% 1.35/1.47          | ~ (c1_1 @ X1)
% 1.35/1.47          | ~ (c0_1 @ X1))),
% 1.35/1.47      inference('cnf', [status(esa)], [zf_stmt_63])).
% 1.35/1.47  thf(zip_derived_cl697, plain,
% 1.35/1.47      ((![X1 : $i]: (~ (c0_1 @ X1) | ~ (c2_1 @ X1) | ~ (c1_1 @ X1)))
% 1.35/1.47         <= ((![X1 : $i]: (~ (c0_1 @ X1) | ~ (c2_1 @ X1) | ~ (c1_1 @ X1))))),
% 1.35/1.47      inference('split', [status(esa)], [zip_derived_cl187])).
% 1.35/1.47  thf(zip_derived_cl286, plain, (( (c1_1 @ a456)) <= (( (c1_1 @ a456)))),
% 1.35/1.47      inference('split', [status(esa)], [zip_derived_cl38])).
% 1.35/1.47  thf(zip_derived_cl882, plain,
% 1.35/1.47      (((~ (c2_1 @ a456) | ~ (c0_1 @ a456)))
% 1.35/1.47         <= (( (c1_1 @ a456)) & 
% 1.35/1.47             (![X1 : $i]: (~ (c0_1 @ X1) | ~ (c2_1 @ X1) | ~ (c1_1 @ X1))))),
% 1.35/1.47      inference('s_sup+', [status(thm)], [zip_derived_cl697, zip_derived_cl286])).
% 1.35/1.47  thf('63', plain,
% 1.35/1.47      (~ ( (c0_1 @ a456)) | ~ ( (c2_1 @ a456)) | 
% 1.35/1.47       ~ (![X1 : $i]: (~ (c0_1 @ X1) | ~ (c2_1 @ X1) | ~ (c1_1 @ X1))) | 
% 1.35/1.47       ~ ( (c1_1 @ a456))),
% 1.35/1.47      inference('split', [status(esa)], [zip_derived_cl882])).
% 1.35/1.47  thf('64', plain,
% 1.35/1.47      (( (hskp16)) | ( (hskp30)) | 
% 1.35/1.47       (![X0 : $i]: (~ (c3_1 @ X0) |  (c2_1 @ X0) |  (c0_1 @ X0))) | 
% 1.35/1.47       ~ ( (ndr1_0))),
% 1.35/1.47      inference('split', [status(esa)], [zip_derived_cl137])).
% 1.35/1.47  thf(clause190, conjecture,
% 1.35/1.47    (~( ( hskp25 ) | ( c2_1 @ V ) | ( ~( c3_1 @ V ) ) | ( ~( c1_1 @ V ) ) | 
% 1.35/1.47        ( ~( ndr1_0 ) ) | ( ~( c3_1 @ U ) ) | ( ~( c1_1 @ U ) ) | 
% 1.35/1.47        ( ~( c0_1 @ U ) ) ))).
% 1.35/1.47  thf(zf_stmt_64, negated_conjecture,
% 1.35/1.47    (( hskp25 ) | ( c2_1 @ V ) | ( ~( c3_1 @ V ) ) | ( ~( c1_1 @ V ) ) | 
% 1.35/1.47     ( ~( ndr1_0 ) ) | ( ~( c3_1 @ U ) ) | ( ~( c1_1 @ U ) ) | 
% 1.35/1.47     ( ~( c0_1 @ U ) )),
% 1.35/1.47    inference('cnf.neg', [status(esa)], [clause190])).
% 1.35/1.47  thf(zip_derived_cl189, plain,
% 1.35/1.47      (![X0 : $i, X1 : $i]:
% 1.35/1.47         ( (hskp25)
% 1.35/1.47          |  (c2_1 @ X0)
% 1.35/1.47          | ~ (c3_1 @ X0)
% 1.35/1.47          | ~ (c1_1 @ X0)
% 1.35/1.47          | ~ (ndr1_0)
% 1.35/1.47          | ~ (c3_1 @ X1)
% 1.35/1.47          | ~ (c1_1 @ X1)
% 1.35/1.47          | ~ (c0_1 @ X1))),
% 1.35/1.47      inference('cnf', [status(esa)], [zf_stmt_64])).
% 1.35/1.47  thf('65', plain,
% 1.35/1.47      ((![X0 : $i]: (~ (c3_1 @ X0) |  (c2_1 @ X0) | ~ (c1_1 @ X0))) | 
% 1.35/1.47       ( (hskp25)) | ~ ( (ndr1_0)) | 
% 1.35/1.47       (![X0 : $i]: (~ (c3_1 @ X0) | ~ (c0_1 @ X0) | ~ (c1_1 @ X0)))),
% 1.35/1.47      inference('split', [status(esa)], [zip_derived_cl189])).
% 1.35/1.47  thf(clause83, conjecture, (~( ( ~( hskp27 ) ) | ( ~( c0_1 @ a509 ) ) ))).
% 1.35/1.47  thf(zf_stmt_65, negated_conjecture, (( ~( hskp27 ) ) | ( ~( c0_1 @ a509 ) )),
% 1.35/1.47    inference('cnf.neg', [status(esa)], [clause83])).
% 1.35/1.47  thf(zip_derived_cl82, plain, ((~ (hskp27) | ~ (c0_1 @ a509))),
% 1.35/1.47      inference('cnf', [status(esa)], [zf_stmt_65])).
% 1.35/1.47  thf('66', plain, (~ ( (hskp27)) | ~ ( (c0_1 @ a509))),
% 1.35/1.47      inference('split', [status(esa)], [zip_derived_cl82])).
% 1.35/1.47  thf(clause84, conjecture, (~( ( ~( hskp27 ) ) | ( ~( c2_1 @ a509 ) ) ))).
% 1.35/1.47  thf(zf_stmt_66, negated_conjecture, (( ~( hskp27 ) ) | ( ~( c2_1 @ a509 ) )),
% 1.35/1.47    inference('cnf.neg', [status(esa)], [clause84])).
% 1.35/1.47  thf(zip_derived_cl83, plain, ((~ (hskp27) | ~ (c2_1 @ a509))),
% 1.35/1.47      inference('cnf', [status(esa)], [zf_stmt_66])).
% 1.35/1.47  thf('67', plain, (~ ( (hskp27)) | ~ ( (c2_1 @ a509))),
% 1.35/1.47      inference('split', [status(esa)], [zip_derived_cl83])).
% 1.35/1.47  thf(clause85, conjecture, (~( ( ~( hskp27 ) ) | ( ~( c3_1 @ a509 ) ) ))).
% 1.35/1.47  thf(zf_stmt_67, negated_conjecture, (( ~( hskp27 ) ) | ( ~( c3_1 @ a509 ) )),
% 1.35/1.47    inference('cnf.neg', [status(esa)], [clause85])).
% 1.35/1.47  thf(zip_derived_cl84, plain, ((~ (hskp27) | ~ (c3_1 @ a509))),
% 1.35/1.47      inference('cnf', [status(esa)], [zf_stmt_67])).
% 1.35/1.47  thf('68', plain, (~ ( (hskp27)) | ~ ( (c3_1 @ a509))),
% 1.35/1.47      inference('split', [status(esa)], [zip_derived_cl84])).
% 1.35/1.47  thf(clause153, conjecture,
% 1.35/1.47    (~( ( hskp27 ) | ( hskp26 ) | ( ~( ndr1_0 ) ) | ( ~( c3_1 @ U ) ) | 
% 1.35/1.47        ( ~( c1_1 @ U ) ) | ( ~( c0_1 @ U ) ) ))).
% 1.35/1.47  thf(zf_stmt_68, negated_conjecture,
% 1.35/1.47    (( hskp27 ) | ( hskp26 ) | ( ~( ndr1_0 ) ) | ( ~( c3_1 @ U ) ) | 
% 1.35/1.47     ( ~( c1_1 @ U ) ) | ( ~( c0_1 @ U ) )),
% 1.35/1.47    inference('cnf.neg', [status(esa)], [clause153])).
% 1.35/1.47  thf(zip_derived_cl152, plain,
% 1.35/1.47      (![X0 : $i]:
% 1.35/1.47         ( (hskp27)
% 1.35/1.47          |  (hskp26)
% 1.35/1.47          | ~ (ndr1_0)
% 1.35/1.47          | ~ (c3_1 @ X0)
% 1.35/1.47          | ~ (c1_1 @ X0)
% 1.35/1.47          | ~ (c0_1 @ X0))),
% 1.35/1.47      inference('cnf', [status(esa)], [zf_stmt_68])).
% 1.35/1.47  thf('69', plain,
% 1.35/1.47      (( (hskp27)) | ( (hskp26)) | ~ ( (ndr1_0)) | 
% 1.35/1.47       (![X0 : $i]: (~ (c3_1 @ X0) | ~ (c0_1 @ X0) | ~ (c1_1 @ X0)))),
% 1.35/1.47      inference('split', [status(esa)], [zip_derived_cl152])).
% 1.35/1.47  thf(clause171, conjecture,
% 1.35/1.47    (~( ( hskp28 ) | ( c3_1 @ V ) | ( c2_1 @ V ) | ( c0_1 @ V ) | 
% 1.35/1.47        ( ~( ndr1_0 ) ) | ( ~( c3_1 @ U ) ) | ( ~( c1_1 @ U ) ) | 
% 1.35/1.47        ( ~( c0_1 @ U ) ) ))).
% 1.35/1.47  thf(zf_stmt_69, negated_conjecture,
% 1.35/1.47    (( hskp28 ) | ( c3_1 @ V ) | ( c2_1 @ V ) | ( c0_1 @ V ) | 
% 1.35/1.47     ( ~( ndr1_0 ) ) | ( ~( c3_1 @ U ) ) | ( ~( c1_1 @ U ) ) | 
% 1.35/1.47     ( ~( c0_1 @ U ) )),
% 1.35/1.47    inference('cnf.neg', [status(esa)], [clause171])).
% 1.35/1.47  thf(zip_derived_cl170, plain,
% 1.35/1.47      (![X0 : $i, X1 : $i]:
% 1.35/1.47         ( (hskp28)
% 1.35/1.47          |  (c3_1 @ X0)
% 1.35/1.47          |  (c2_1 @ X0)
% 1.35/1.47          |  (c0_1 @ X0)
% 1.35/1.47          | ~ (ndr1_0)
% 1.35/1.47          | ~ (c3_1 @ X1)
% 1.35/1.47          | ~ (c1_1 @ X1)
% 1.35/1.47          | ~ (c0_1 @ X1))),
% 1.35/1.47      inference('cnf', [status(esa)], [zf_stmt_69])).
% 1.35/1.47  thf('70', plain,
% 1.35/1.47      (( (hskp28)) | 
% 1.35/1.47       (![X0 : $i]: (~ (c3_1 @ X0) | ~ (c0_1 @ X0) | ~ (c1_1 @ X0))) | 
% 1.35/1.47       ~ ( (ndr1_0)) | 
% 1.35/1.47       (![X0 : $i]: ( (c3_1 @ X0) |  (c2_1 @ X0) |  (c0_1 @ X0)))),
% 1.35/1.47      inference('split', [status(esa)], [zip_derived_cl170])).
% 1.35/1.47  thf(zip_derived_cl470, plain,
% 1.35/1.47      ((![X0 : $i]: ( (c3_1 @ X0) |  (c2_1 @ X0) |  (c0_1 @ X0)))
% 1.35/1.47         <= ((![X0 : $i]: ( (c3_1 @ X0) |  (c2_1 @ X0) |  (c0_1 @ X0))))),
% 1.35/1.47      inference('split', [status(esa)], [zip_derived_cl130])).
% 1.35/1.47  thf(zip_derived_cl376, plain, ((~ (c2_1 @ a509)) <= (~ ( (c2_1 @ a509)))),
% 1.35/1.47      inference('split', [status(esa)], [zip_derived_cl83])).
% 1.35/1.47  thf(zip_derived_cl1072, plain,
% 1.35/1.47      ((( (c0_1 @ a509) |  (c3_1 @ a509)))
% 1.35/1.47         <= (~ ( (c2_1 @ a509)) & 
% 1.35/1.47             (![X0 : $i]: ( (c3_1 @ X0) |  (c2_1 @ X0) |  (c0_1 @ X0))))),
% 1.35/1.47      inference('s_sup-', [status(thm)], [zip_derived_cl470, zip_derived_cl376])).
% 1.35/1.47  thf('71', plain,
% 1.35/1.47      (( (c0_1 @ a509)) | ( (c2_1 @ a509)) | 
% 1.35/1.47       ~ (![X0 : $i]: ( (c3_1 @ X0) |  (c2_1 @ X0) |  (c0_1 @ X0))) | 
% 1.35/1.47       ( (c3_1 @ a509))),
% 1.35/1.47      inference('split', [status(esa)], [zip_derived_cl1072])).
% 1.35/1.47  thf(clause80, conjecture, (~( ( c1_1 @ a435 ) | ( ~( hskp3 ) ) ))).
% 1.35/1.47  thf(zf_stmt_70, negated_conjecture, (( c1_1 @ a435 ) | ( ~( hskp3 ) )),
% 1.35/1.47    inference('cnf.neg', [status(esa)], [clause80])).
% 1.35/1.47  thf(zip_derived_cl79, plain, (( (c1_1 @ a435) | ~ (hskp3))),
% 1.35/1.47      inference('cnf', [status(esa)], [zf_stmt_70])).
% 1.35/1.47  thf('72', plain, (( (c1_1 @ a435)) | ~ ( (hskp3))),
% 1.35/1.47      inference('split', [status(esa)], [zip_derived_cl79])).
% 1.35/1.47  thf(clause122, conjecture, (~( ( ~( hskp3 ) ) | ( ~( c0_1 @ a435 ) ) ))).
% 1.35/1.47  thf(zf_stmt_71, negated_conjecture, (( ~( hskp3 ) ) | ( ~( c0_1 @ a435 ) )),
% 1.35/1.47    inference('cnf.neg', [status(esa)], [clause122])).
% 1.35/1.47  thf(zip_derived_cl121, plain, ((~ (hskp3) | ~ (c0_1 @ a435))),
% 1.35/1.47      inference('cnf', [status(esa)], [zf_stmt_71])).
% 1.35/1.47  thf('73', plain, (~ ( (c0_1 @ a435)) | ~ ( (hskp3))),
% 1.35/1.47      inference('split', [status(esa)], [zip_derived_cl121])).
% 1.35/1.47  thf(clause123, conjecture, (~( ( ~( hskp3 ) ) | ( ~( c3_1 @ a435 ) ) ))).
% 1.35/1.47  thf(zf_stmt_72, negated_conjecture, (( ~( hskp3 ) ) | ( ~( c3_1 @ a435 ) )),
% 1.35/1.47    inference('cnf.neg', [status(esa)], [clause123])).
% 1.35/1.47  thf(zip_derived_cl122, plain, ((~ (hskp3) | ~ (c3_1 @ a435))),
% 1.35/1.47      inference('cnf', [status(esa)], [zf_stmt_72])).
% 1.35/1.47  thf('74', plain, (~ ( (c3_1 @ a435)) | ~ ( (hskp3))),
% 1.35/1.47      inference('split', [status(esa)], [zip_derived_cl122])).
% 1.35/1.47  thf(clause176, conjecture,
% 1.35/1.47    (~( ( hskp3 ) | ( c3_1 @ V ) | ( c1_1 @ V ) | ( c2_1 @ U ) | 
% 1.35/1.47        ( ~( c0_1 @ V ) ) | ( ~( ndr1_0 ) ) | ( ~( c1_1 @ U ) ) | 
% 1.35/1.47        ( ~( c0_1 @ U ) ) ))).
% 1.35/1.47  thf(zf_stmt_73, negated_conjecture,
% 1.35/1.47    (( hskp3 ) | ( c3_1 @ V ) | ( c1_1 @ V ) | ( c2_1 @ U ) | 
% 1.35/1.47     ( ~( c0_1 @ V ) ) | ( ~( ndr1_0 ) ) | ( ~( c1_1 @ U ) ) | 
% 1.35/1.47     ( ~( c0_1 @ U ) )),
% 1.35/1.47    inference('cnf.neg', [status(esa)], [clause176])).
% 1.35/1.47  thf(zip_derived_cl175, plain,
% 1.35/1.47      (![X0 : $i, X1 : $i]:
% 1.35/1.47         ( (hskp3)
% 1.35/1.47          |  (c3_1 @ X0)
% 1.35/1.47          |  (c1_1 @ X0)
% 1.35/1.47          |  (c2_1 @ X1)
% 1.35/1.47          | ~ (c0_1 @ X0)
% 1.35/1.47          | ~ (ndr1_0)
% 1.35/1.47          | ~ (c1_1 @ X1)
% 1.35/1.47          | ~ (c0_1 @ X1))),
% 1.35/1.47      inference('cnf', [status(esa)], [zf_stmt_73])).
% 1.35/1.47  thf('75', plain,
% 1.35/1.47      (( (hskp3)) | 
% 1.35/1.47       (![X1 : $i]: ( (c3_1 @ X1) | ~ (c0_1 @ X1) |  (c1_1 @ X1))) | 
% 1.35/1.47       (![X0 : $i]: ( (c2_1 @ X0) | ~ (c0_1 @ X0) | ~ (c1_1 @ X0))) | 
% 1.35/1.47       ~ ( (ndr1_0))),
% 1.35/1.47      inference('split', [status(esa)], [zip_derived_cl175])).
% 1.35/1.47  thf(zip_derived_cl598, plain,
% 1.35/1.47      ((![X1 : $i]: (~ (c3_1 @ X1) | ~ (c0_1 @ X1) |  (c2_1 @ X1)))
% 1.35/1.47         <= ((![X1 : $i]: (~ (c3_1 @ X1) | ~ (c0_1 @ X1) |  (c2_1 @ X1))))),
% 1.35/1.47      inference('split', [status(esa)], [zip_derived_cl162])).
% 1.35/1.47  thf(clause96, conjecture, (~( ( ~( hskp19 ) ) | ( ~( c2_1 @ a467 ) ) ))).
% 1.35/1.47  thf(zf_stmt_74, negated_conjecture, (( ~( hskp19 ) ) | ( ~( c2_1 @ a467 ) )),
% 1.35/1.47    inference('cnf.neg', [status(esa)], [clause96])).
% 1.35/1.47  thf(zip_derived_cl95, plain, ((~ (hskp19) | ~ (c2_1 @ a467))),
% 1.35/1.47      inference('cnf', [status(esa)], [zf_stmt_74])).
% 1.35/1.47  thf(zip_derived_cl400, plain, ((~ (c2_1 @ a467)) <= (~ ( (c2_1 @ a467)))),
% 1.35/1.47      inference('split', [status(esa)], [zip_derived_cl95])).
% 1.35/1.47  thf(zip_derived_cl1642, plain,
% 1.35/1.47      (((~ (c0_1 @ a467) | ~ (c3_1 @ a467)))
% 1.35/1.47         <= (~ ( (c2_1 @ a467)) & 
% 1.35/1.47             (![X1 : $i]: (~ (c3_1 @ X1) | ~ (c0_1 @ X1) |  (c2_1 @ X1))))),
% 1.35/1.47      inference('s_sup-', [status(thm)], [zip_derived_cl598, zip_derived_cl400])).
% 1.35/1.47  thf('76', plain,
% 1.35/1.47      (~ ( (c3_1 @ a467)) | 
% 1.35/1.47       ~ (![X1 : $i]: (~ (c3_1 @ X1) | ~ (c0_1 @ X1) |  (c2_1 @ X1))) | 
% 1.35/1.47       ~ ( (c0_1 @ a467)) | ( (c2_1 @ a467))),
% 1.35/1.47      inference('split', [status(esa)], [zip_derived_cl1642])).
% 1.35/1.47  thf(clause165, conjecture,
% 1.35/1.47    (~( ( hskp12 ) | ( c2_1 @ V ) | ( c0_1 @ V ) | ( c3_1 @ U ) | 
% 1.35/1.47        ( c1_1 @ U ) | ( ~( c1_1 @ V ) ) | ( ~( ndr1_0 ) ) | ( ~( c0_1 @ U ) ) ))).
% 1.35/1.47  thf(zf_stmt_75, negated_conjecture,
% 1.35/1.47    (( hskp12 ) | ( c2_1 @ V ) | ( c0_1 @ V ) | ( c3_1 @ U ) | ( c1_1 @ U ) | 
% 1.35/1.47     ( ~( c1_1 @ V ) ) | ( ~( ndr1_0 ) ) | ( ~( c0_1 @ U ) )),
% 1.35/1.47    inference('cnf.neg', [status(esa)], [clause165])).
% 1.35/1.47  thf(zip_derived_cl164, plain,
% 1.35/1.47      (![X0 : $i, X1 : $i]:
% 1.35/1.47         ( (hskp12)
% 1.35/1.47          |  (c2_1 @ X0)
% 1.35/1.47          |  (c0_1 @ X0)
% 1.35/1.47          |  (c3_1 @ X1)
% 1.35/1.47          |  (c1_1 @ X1)
% 1.35/1.47          | ~ (c1_1 @ X0)
% 1.35/1.47          | ~ (ndr1_0)
% 1.35/1.47          | ~ (c0_1 @ X1))),
% 1.35/1.47      inference('cnf', [status(esa)], [zf_stmt_75])).
% 1.35/1.47  thf(zip_derived_cl605, plain,
% 1.35/1.47      ((![X1 : $i]: ( (c3_1 @ X1) | ~ (c0_1 @ X1) |  (c1_1 @ X1)))
% 1.35/1.47         <= ((![X1 : $i]: ( (c3_1 @ X1) | ~ (c0_1 @ X1) |  (c1_1 @ X1))))),
% 1.35/1.47      inference('split', [status(esa)], [zip_derived_cl164])).
% 1.35/1.47  thf(zip_derived_cl398, plain, ((~ (c1_1 @ a467)) <= (~ ( (c1_1 @ a467)))),
% 1.35/1.47      inference('split', [status(esa)], [zip_derived_cl94])).
% 1.35/1.47  thf(zip_derived_cl2124, plain,
% 1.35/1.47      (((~ (c0_1 @ a467) |  (c3_1 @ a467)))
% 1.35/1.47         <= (~ ( (c1_1 @ a467)) & 
% 1.35/1.47             (![X1 : $i]: ( (c3_1 @ X1) | ~ (c0_1 @ X1) |  (c1_1 @ X1))))),
% 1.35/1.47      inference('s_sup-', [status(thm)], [zip_derived_cl605, zip_derived_cl398])).
% 1.35/1.47  thf('77', plain,
% 1.35/1.47      (~ (![X1 : $i]: ( (c3_1 @ X1) | ~ (c0_1 @ X1) |  (c1_1 @ X1))) | 
% 1.35/1.47       ( (c3_1 @ a467)) | ( (c1_1 @ a467)) | ~ ( (c0_1 @ a467))),
% 1.35/1.47      inference('split', [status(esa)], [zip_derived_cl2124])).
% 1.35/1.47  thf(clause151, conjecture,
% 1.35/1.47    (~( ( hskp19 ) | ( hskp28 ) | ( c3_1 @ U ) | ( ~( ndr1_0 ) ) | 
% 1.35/1.47        ( ~( c2_1 @ U ) ) | ( ~( c1_1 @ U ) ) ))).
% 1.35/1.47  thf(zf_stmt_76, negated_conjecture,
% 1.35/1.47    (( hskp19 ) | ( hskp28 ) | ( c3_1 @ U ) | ( ~( ndr1_0 ) ) | 
% 1.35/1.47     ( ~( c2_1 @ U ) ) | ( ~( c1_1 @ U ) )),
% 1.35/1.47    inference('cnf.neg', [status(esa)], [clause151])).
% 1.35/1.47  thf(zip_derived_cl150, plain,
% 1.35/1.47      (![X0 : $i]:
% 1.35/1.47         ( (hskp19)
% 1.35/1.47          |  (hskp28)
% 1.35/1.47          |  (c3_1 @ X0)
% 1.35/1.47          | ~ (ndr1_0)
% 1.35/1.47          | ~ (c2_1 @ X0)
% 1.35/1.47          | ~ (c1_1 @ X0))),
% 1.35/1.47      inference('cnf', [status(esa)], [zf_stmt_76])).
% 1.35/1.47  thf('78', plain,
% 1.35/1.47      ((![X0 : $i]: ( (c3_1 @ X0) | ~ (c2_1 @ X0) | ~ (c1_1 @ X0))) | 
% 1.35/1.47       ( (hskp28)) | ( (hskp19)) | ~ ( (ndr1_0))),
% 1.35/1.47      inference('split', [status(esa)], [zip_derived_cl150])).
% 1.35/1.47  thf(zip_derived_cl550, plain,
% 1.35/1.47      ((![X0 : $i]: ( (c3_1 @ X0) | ~ (c2_1 @ X0) | ~ (c1_1 @ X0)))
% 1.35/1.47         <= ((![X0 : $i]: ( (c3_1 @ X0) | ~ (c2_1 @ X0) | ~ (c1_1 @ X0))))),
% 1.35/1.47      inference('split', [status(esa)], [zip_derived_cl150])).
% 1.35/1.47  thf(zip_derived_cl286, plain, (( (c1_1 @ a456)) <= (( (c1_1 @ a456)))),
% 1.35/1.47      inference('split', [status(esa)], [zip_derived_cl38])).
% 1.35/1.47  thf(zip_derived_cl1197, plain,
% 1.35/1.47      (((~ (c2_1 @ a456) |  (c3_1 @ a456)))
% 1.35/1.47         <= (( (c1_1 @ a456)) & 
% 1.35/1.47             (![X0 : $i]: ( (c3_1 @ X0) | ~ (c2_1 @ X0) | ~ (c1_1 @ X0))))),
% 1.35/1.47      inference('s_sup+', [status(thm)], [zip_derived_cl550, zip_derived_cl286])).
% 1.35/1.47  thf('79', plain,
% 1.35/1.47      (( (c3_1 @ a456)) | ~ ( (c2_1 @ a456)) | 
% 1.35/1.47       ~ (![X0 : $i]: ( (c3_1 @ X0) | ~ (c2_1 @ X0) | ~ (c1_1 @ X0))) | 
% 1.35/1.47       ~ ( (c1_1 @ a456))),
% 1.35/1.47      inference('split', [status(esa)], [zip_derived_cl1197])).
% 1.35/1.47  thf('80', plain, (( (c2_1 @ a456)) | ~ ( (hskp30))),
% 1.35/1.47      inference('split', [status(esa)], [zip_derived_cl39])).
% 1.35/1.47  thf(zip_derived_cl550, plain,
% 1.35/1.47      ((![X0 : $i]: ( (c3_1 @ X0) | ~ (c2_1 @ X0) | ~ (c1_1 @ X0)))
% 1.35/1.47         <= ((![X0 : $i]: ( (c3_1 @ X0) | ~ (c2_1 @ X0) | ~ (c1_1 @ X0))))),
% 1.35/1.47      inference('split', [status(esa)], [zip_derived_cl150])).
% 1.35/1.47  thf(clause47, conjecture, (~( ( c1_1 @ a492 ) | ( ~( hskp26 ) ) ))).
% 1.35/1.47  thf(zf_stmt_77, negated_conjecture, (( c1_1 @ a492 ) | ( ~( hskp26 ) )),
% 1.35/1.47    inference('cnf.neg', [status(esa)], [clause47])).
% 1.35/1.47  thf(zip_derived_cl46, plain, (( (c1_1 @ a492) | ~ (hskp26))),
% 1.35/1.47      inference('cnf', [status(esa)], [zf_stmt_77])).
% 1.35/1.47  thf(zip_derived_cl302, plain, (( (c1_1 @ a492)) <= (( (c1_1 @ a492)))),
% 1.35/1.47      inference('split', [status(esa)], [zip_derived_cl46])).
% 1.35/1.47  thf(zip_derived_cl1199, plain,
% 1.35/1.47      (((~ (c2_1 @ a492) |  (c3_1 @ a492)))
% 1.35/1.47         <= (( (c1_1 @ a492)) & 
% 1.35/1.47             (![X0 : $i]: ( (c3_1 @ X0) | ~ (c2_1 @ X0) | ~ (c1_1 @ X0))))),
% 1.35/1.47      inference('s_sup+', [status(thm)], [zip_derived_cl550, zip_derived_cl302])).
% 1.35/1.47  thf('81', plain,
% 1.35/1.47      (~ ( (c1_1 @ a492)) | ( (c3_1 @ a492)) | 
% 1.35/1.47       ~ (![X0 : $i]: ( (c3_1 @ X0) | ~ (c2_1 @ X0) | ~ (c1_1 @ X0))) | 
% 1.35/1.47       ~ ( (c2_1 @ a492))),
% 1.35/1.47      inference('split', [status(esa)], [zip_derived_cl1199])).
% 1.35/1.47  thf(zip_derived_cl693, plain,
% 1.35/1.47      ((![X1 : $i]: ( (c3_1 @ X1) | ~ (c0_1 @ X1) | ~ (c1_1 @ X1)))
% 1.35/1.47         <= ((![X1 : $i]: ( (c3_1 @ X1) | ~ (c0_1 @ X1) | ~ (c1_1 @ X1))))),
% 1.35/1.47      inference('split', [status(esa)], [zip_derived_cl186])).
% 1.35/1.47  thf(clause53, conjecture, (~( ( c1_1 @ a484 ) | ( ~( hskp23 ) ) ))).
% 1.35/1.47  thf(zf_stmt_78, negated_conjecture, (( c1_1 @ a484 ) | ( ~( hskp23 ) )),
% 1.35/1.47    inference('cnf.neg', [status(esa)], [clause53])).
% 1.35/1.47  thf(zip_derived_cl52, plain, (( (c1_1 @ a484) | ~ (hskp23))),
% 1.35/1.47      inference('cnf', [status(esa)], [zf_stmt_78])).
% 1.35/1.47  thf(zip_derived_cl314, plain, (( (c1_1 @ a484)) <= (( (c1_1 @ a484)))),
% 1.35/1.47      inference('split', [status(esa)], [zip_derived_cl52])).
% 1.35/1.47  thf(zip_derived_cl1404, plain,
% 1.35/1.47      (((~ (c0_1 @ a484) |  (c3_1 @ a484)))
% 1.35/1.47         <= (( (c1_1 @ a484)) & 
% 1.35/1.47             (![X1 : $i]: ( (c3_1 @ X1) | ~ (c0_1 @ X1) | ~ (c1_1 @ X1))))),
% 1.35/1.47      inference('s_sup+', [status(thm)], [zip_derived_cl693, zip_derived_cl314])).
% 1.35/1.47  thf('82', plain,
% 1.35/1.47      (~ ( (c0_1 @ a484)) | 
% 1.35/1.47       ~ (![X1 : $i]: ( (c3_1 @ X1) | ~ (c0_1 @ X1) | ~ (c1_1 @ X1))) | 
% 1.35/1.47       ~ ( (c1_1 @ a484)) | ( (c3_1 @ a484))),
% 1.35/1.47      inference('split', [status(esa)], [zip_derived_cl1404])).
% 1.35/1.47  thf(zip_derived_cl598, plain,
% 1.35/1.47      ((![X1 : $i]: (~ (c3_1 @ X1) | ~ (c0_1 @ X1) |  (c2_1 @ X1)))
% 1.35/1.47         <= ((![X1 : $i]: (~ (c3_1 @ X1) | ~ (c0_1 @ X1) |  (c2_1 @ X1))))),
% 1.35/1.47      inference('split', [status(esa)], [zip_derived_cl162])).
% 1.35/1.47  thf(clause104, conjecture, (~( ( ~( hskp14 ) ) | ( ~( c2_1 @ a452 ) ) ))).
% 1.35/1.47  thf(zf_stmt_79, negated_conjecture, (( ~( hskp14 ) ) | ( ~( c2_1 @ a452 ) )),
% 1.35/1.47    inference('cnf.neg', [status(esa)], [clause104])).
% 1.35/1.47  thf(zip_derived_cl103, plain, ((~ (hskp14) | ~ (c2_1 @ a452))),
% 1.35/1.47      inference('cnf', [status(esa)], [zf_stmt_79])).
% 1.35/1.47  thf(zip_derived_cl416, plain, ((~ (c2_1 @ a452)) <= (~ ( (c2_1 @ a452)))),
% 1.35/1.47      inference('split', [status(esa)], [zip_derived_cl103])).
% 1.35/1.47  thf(zip_derived_cl1644, plain,
% 1.35/1.47      (((~ (c0_1 @ a452) | ~ (c3_1 @ a452)))
% 1.35/1.47         <= (~ ( (c2_1 @ a452)) & 
% 1.35/1.47             (![X1 : $i]: (~ (c3_1 @ X1) | ~ (c0_1 @ X1) |  (c2_1 @ X1))))),
% 1.35/1.47      inference('s_sup-', [status(thm)], [zip_derived_cl598, zip_derived_cl416])).
% 1.35/1.47  thf('83', plain,
% 1.35/1.47      (~ ( (c3_1 @ a452)) | 
% 1.35/1.47       ~ (![X1 : $i]: (~ (c3_1 @ X1) | ~ (c0_1 @ X1) |  (c2_1 @ X1))) | 
% 1.35/1.47       ( (c2_1 @ a452)) | ~ ( (c0_1 @ a452))),
% 1.35/1.47      inference('split', [status(esa)], [zip_derived_cl1644])).
% 1.35/1.47  thf(zip_derived_cl693, plain,
% 1.35/1.47      ((![X1 : $i]: ( (c3_1 @ X1) | ~ (c0_1 @ X1) | ~ (c1_1 @ X1)))
% 1.35/1.47         <= ((![X1 : $i]: ( (c3_1 @ X1) | ~ (c0_1 @ X1) | ~ (c1_1 @ X1))))),
% 1.35/1.47      inference('split', [status(esa)], [zip_derived_cl186])).
% 1.35/1.47  thf(zip_derived_cl340, plain, (( (c1_1 @ a452)) <= (( (c1_1 @ a452)))),
% 1.35/1.47      inference('split', [status(esa)], [zip_derived_cl65])).
% 1.35/1.47  thf(zip_derived_cl1407, plain,
% 1.35/1.47      (((~ (c0_1 @ a452) |  (c3_1 @ a452)))
% 1.35/1.47         <= (( (c1_1 @ a452)) & 
% 1.35/1.47             (![X1 : $i]: ( (c3_1 @ X1) | ~ (c0_1 @ X1) | ~ (c1_1 @ X1))))),
% 1.35/1.47      inference('s_sup+', [status(thm)], [zip_derived_cl693, zip_derived_cl340])).
% 1.35/1.47  thf('84', plain,
% 1.35/1.47      (~ (![X1 : $i]: ( (c3_1 @ X1) | ~ (c0_1 @ X1) | ~ (c1_1 @ X1))) | 
% 1.35/1.47       ( (c3_1 @ a452)) | ~ ( (c1_1 @ a452)) | ~ ( (c0_1 @ a452))),
% 1.35/1.47      inference('split', [status(esa)], [zip_derived_cl1407])).
% 1.35/1.47  thf(clause136, conjecture,
% 1.35/1.47    (~( ( hskp2 ) | ( hskp14 ) | ( c2_1 @ U ) | ( c0_1 @ U ) | 
% 1.35/1.47        ( ~( ndr1_0 ) ) | ( ~( c1_1 @ U ) ) ))).
% 1.35/1.47  thf(zf_stmt_80, negated_conjecture,
% 1.35/1.47    (( hskp2 ) | ( hskp14 ) | ( c2_1 @ U ) | ( c0_1 @ U ) | ( ~( ndr1_0 ) ) | 
% 1.35/1.47     ( ~( c1_1 @ U ) )),
% 1.35/1.47    inference('cnf.neg', [status(esa)], [clause136])).
% 1.35/1.47  thf(zip_derived_cl135, plain,
% 1.35/1.47      (![X0 : $i]:
% 1.35/1.47         ( (hskp2)
% 1.35/1.47          |  (hskp14)
% 1.35/1.47          |  (c2_1 @ X0)
% 1.35/1.47          |  (c0_1 @ X0)
% 1.35/1.47          | ~ (ndr1_0)
% 1.35/1.47          | ~ (c1_1 @ X0))),
% 1.35/1.47      inference('cnf', [status(esa)], [zf_stmt_80])).
% 1.35/1.47  thf(zip_derived_cl490, plain,
% 1.35/1.47      ((![X0 : $i]: ( (c2_1 @ X0) |  (c0_1 @ X0) | ~ (c1_1 @ X0)))
% 1.35/1.47         <= ((![X0 : $i]: ( (c2_1 @ X0) |  (c0_1 @ X0) | ~ (c1_1 @ X0))))),
% 1.35/1.47      inference('split', [status(esa)], [zip_derived_cl135])).
% 1.35/1.47  thf(clause62, conjecture, (~( ( c1_1 @ a457 ) | ( ~( hskp16 ) ) ))).
% 1.35/1.47  thf(zf_stmt_81, negated_conjecture, (( c1_1 @ a457 ) | ( ~( hskp16 ) )),
% 1.35/1.47    inference('cnf.neg', [status(esa)], [clause62])).
% 1.35/1.47  thf(zip_derived_cl61, plain, (( (c1_1 @ a457) | ~ (hskp16))),
% 1.35/1.47      inference('cnf', [status(esa)], [zf_stmt_81])).
% 1.35/1.47  thf(zip_derived_cl332, plain, (( (c1_1 @ a457)) <= (( (c1_1 @ a457)))),
% 1.35/1.47      inference('split', [status(esa)], [zip_derived_cl61])).
% 1.35/1.47  thf(zip_derived_cl1374, plain,
% 1.35/1.47      ((( (c0_1 @ a457) |  (c2_1 @ a457)))
% 1.35/1.47         <= (( (c1_1 @ a457)) & 
% 1.35/1.47             (![X0 : $i]: ( (c2_1 @ X0) |  (c0_1 @ X0) | ~ (c1_1 @ X0))))),
% 1.35/1.47      inference('s_sup+', [status(thm)], [zip_derived_cl490, zip_derived_cl332])).
% 1.35/1.47  thf('85', plain,
% 1.35/1.47      (~ ( (c1_1 @ a457)) | ( (c2_1 @ a457)) | 
% 1.35/1.47       ~ (![X0 : $i]: ( (c2_1 @ X0) |  (c0_1 @ X0) | ~ (c1_1 @ X0))) | 
% 1.35/1.47       ( (c0_1 @ a457))),
% 1.35/1.47      inference('split', [status(esa)], [zip_derived_cl1374])).
% 1.35/1.47  thf(clause149, conjecture,
% 1.35/1.47    (~( ( hskp26 ) | ( hskp30 ) | ( c2_1 @ U ) | ( ~( ndr1_0 ) ) | 
% 1.35/1.47        ( ~( c3_1 @ U ) ) | ( ~( c1_1 @ U ) ) ))).
% 1.35/1.47  thf(zf_stmt_82, negated_conjecture,
% 1.35/1.47    (( hskp26 ) | ( hskp30 ) | ( c2_1 @ U ) | ( ~( ndr1_0 ) ) | 
% 1.35/1.47     ( ~( c3_1 @ U ) ) | ( ~( c1_1 @ U ) )),
% 1.35/1.47    inference('cnf.neg', [status(esa)], [clause149])).
% 1.35/1.47  thf(zip_derived_cl148, plain,
% 1.35/1.47      (![X0 : $i]:
% 1.35/1.47         ( (hskp26)
% 1.35/1.47          |  (hskp30)
% 1.35/1.47          |  (c2_1 @ X0)
% 1.35/1.47          | ~ (ndr1_0)
% 1.35/1.47          | ~ (c3_1 @ X0)
% 1.35/1.47          | ~ (c1_1 @ X0))),
% 1.35/1.47      inference('cnf', [status(esa)], [zf_stmt_82])).
% 1.35/1.47  thf(zip_derived_cl542, plain,
% 1.35/1.47      ((![X0 : $i]: (~ (c3_1 @ X0) |  (c2_1 @ X0) | ~ (c1_1 @ X0)))
% 1.35/1.47         <= ((![X0 : $i]: (~ (c3_1 @ X0) |  (c2_1 @ X0) | ~ (c1_1 @ X0))))),
% 1.35/1.47      inference('split', [status(esa)], [zip_derived_cl148])).
% 1.35/1.47  thf(zip_derived_cl332, plain, (( (c1_1 @ a457)) <= (( (c1_1 @ a457)))),
% 1.35/1.47      inference('split', [status(esa)], [zip_derived_cl61])).
% 1.35/1.47  thf(zip_derived_cl1114, plain,
% 1.35/1.47      ((( (c2_1 @ a457) | ~ (c3_1 @ a457)))
% 1.35/1.47         <= (( (c1_1 @ a457)) & 
% 1.35/1.47             (![X0 : $i]: (~ (c3_1 @ X0) |  (c2_1 @ X0) | ~ (c1_1 @ X0))))),
% 1.35/1.47      inference('s_sup+', [status(thm)], [zip_derived_cl542, zip_derived_cl332])).
% 1.35/1.47  thf('86', plain,
% 1.35/1.47      (~ ( (c3_1 @ a457)) | ( (c2_1 @ a457)) | 
% 1.35/1.47       ~ (![X0 : $i]: (~ (c3_1 @ X0) |  (c2_1 @ X0) | ~ (c1_1 @ X0))) | 
% 1.35/1.47       ~ ( (c1_1 @ a457))),
% 1.35/1.47      inference('split', [status(esa)], [zip_derived_cl1114])).
% 1.35/1.47  thf('87', plain, (( (c1_1 @ a457)) | ~ ( (hskp16))),
% 1.35/1.47      inference('split', [status(esa)], [zip_derived_cl61])).
% 1.35/1.47  thf(clause38, conjecture, (~( ( c0_1 @ a456 ) | ( ~( hskp30 ) ) ))).
% 1.35/1.47  thf(zf_stmt_83, negated_conjecture, (( c0_1 @ a456 ) | ( ~( hskp30 ) )),
% 1.35/1.47    inference('cnf.neg', [status(esa)], [clause38])).
% 1.35/1.47  thf(zip_derived_cl37, plain, (( (c0_1 @ a456) | ~ (hskp30))),
% 1.35/1.47      inference('cnf', [status(esa)], [zf_stmt_83])).
% 1.35/1.47  thf('88', plain, (( (c0_1 @ a456)) | ~ ( (hskp30))),
% 1.35/1.47      inference('split', [status(esa)], [zip_derived_cl37])).
% 1.35/1.47  thf('89', plain, (( (c1_1 @ a456)) | ~ ( (hskp30))),
% 1.35/1.47      inference('split', [status(esa)], [zip_derived_cl38])).
% 1.35/1.47  thf('90', plain,
% 1.35/1.47      ((![X0 : $i]: (~ (c3_1 @ X0) |  (c2_1 @ X0) | ~ (c1_1 @ X0))) | 
% 1.35/1.47       ( (hskp26)) | ~ ( (ndr1_0)) | ( (hskp30))),
% 1.35/1.47      inference('split', [status(esa)], [zip_derived_cl148])).
% 1.35/1.47  thf(clause194, conjecture,
% 1.35/1.47    (~( ( c3_1 @ W ) | ( c0_1 @ W ) | ( c0_1 @ V ) | ( c3_1 @ U ) | 
% 1.35/1.47        ( c1_1 @ U ) | ( ~( c1_1 @ W ) ) | ( ~( c2_1 @ V ) ) | 
% 1.35/1.47        ( ~( c1_1 @ V ) ) | ( ~( ndr1_0 ) ) | ( ~( c2_1 @ U ) ) ))).
% 1.35/1.47  thf(zf_stmt_84, negated_conjecture,
% 1.35/1.47    (( c3_1 @ W ) | ( c0_1 @ W ) | ( c0_1 @ V ) | ( c3_1 @ U ) | 
% 1.35/1.47     ( c1_1 @ U ) | ( ~( c1_1 @ W ) ) | ( ~( c2_1 @ V ) ) | 
% 1.35/1.47     ( ~( c1_1 @ V ) ) | ( ~( ndr1_0 ) ) | ( ~( c2_1 @ U ) )),
% 1.35/1.47    inference('cnf.neg', [status(esa)], [clause194])).
% 1.35/1.47  thf(zip_derived_cl193, plain,
% 1.35/1.47      (![X0 : $i, X1 : $i, X2 : $i]:
% 1.35/1.47         ( (c3_1 @ X0)
% 1.35/1.47          |  (c0_1 @ X0)
% 1.35/1.47          |  (c0_1 @ X1)
% 1.35/1.47          |  (c3_1 @ X2)
% 1.35/1.47          |  (c1_1 @ X2)
% 1.35/1.47          | ~ (c1_1 @ X0)
% 1.35/1.47          | ~ (c2_1 @ X1)
% 1.35/1.47          | ~ (c1_1 @ X1)
% 1.35/1.47          | ~ (ndr1_0)
% 1.35/1.47          | ~ (c2_1 @ X2))),
% 1.35/1.47      inference('cnf', [status(esa)], [zf_stmt_84])).
% 1.35/1.47  thf('91', plain,
% 1.35/1.47      ((![X0 : $i]: (~ (c2_1 @ X0) |  (c0_1 @ X0) | ~ (c1_1 @ X0))) | 
% 1.35/1.47       (![X0 : $i]: ( (c3_1 @ X0) |  (c0_1 @ X0) | ~ (c1_1 @ X0))) | 
% 1.35/1.47       ~ ( (ndr1_0)) | 
% 1.35/1.47       (![X0 : $i]: ( (c3_1 @ X0) | ~ (c2_1 @ X0) |  (c1_1 @ X0)))),
% 1.35/1.47      inference('split', [status(esa)], [zip_derived_cl193])).
% 1.35/1.47  thf(clause198, conjecture,
% 1.35/1.47    (~( ( c3_1 @ W ) | ( c0_1 @ W ) | ( c2_1 @ V ) | ( c3_1 @ U ) | 
% 1.35/1.47        ( ~( c1_1 @ W ) ) | ( ~( c3_1 @ V ) ) | ( ~( c1_1 @ V ) ) | 
% 1.35/1.47        ( ~( ndr1_0 ) ) | ( ~( c1_1 @ U ) ) | ( ~( c0_1 @ U ) ) ))).
% 1.35/1.47  thf(zf_stmt_85, negated_conjecture,
% 1.35/1.47    (( c3_1 @ W ) | ( c0_1 @ W ) | ( c2_1 @ V ) | ( c3_1 @ U ) | 
% 1.35/1.47     ( ~( c1_1 @ W ) ) | ( ~( c3_1 @ V ) ) | ( ~( c1_1 @ V ) ) | 
% 1.35/1.47     ( ~( ndr1_0 ) ) | ( ~( c1_1 @ U ) ) | ( ~( c0_1 @ U ) )),
% 1.35/1.47    inference('cnf.neg', [status(esa)], [clause198])).
% 1.35/1.47  thf(zip_derived_cl197, plain,
% 1.35/1.47      (![X0 : $i, X1 : $i, X2 : $i]:
% 1.35/1.47         ( (c3_1 @ X0)
% 1.35/1.47          |  (c0_1 @ X0)
% 1.35/1.47          |  (c2_1 @ X1)
% 1.35/1.47          |  (c3_1 @ X2)
% 1.35/1.47          | ~ (c1_1 @ X0)
% 1.35/1.47          | ~ (c3_1 @ X1)
% 1.35/1.47          | ~ (c1_1 @ X1)
% 1.35/1.47          | ~ (ndr1_0)
% 1.35/1.47          | ~ (c1_1 @ X2)
% 1.35/1.47          | ~ (c0_1 @ X2))),
% 1.35/1.47      inference('cnf', [status(esa)], [zf_stmt_85])).
% 1.35/1.47  thf('92', plain,
% 1.35/1.47      ((![X1 : $i]: ( (c3_1 @ X1) | ~ (c0_1 @ X1) | ~ (c1_1 @ X1))) | 
% 1.35/1.47       (![X0 : $i]: (~ (c3_1 @ X0) |  (c2_1 @ X0) | ~ (c1_1 @ X0))) | 
% 1.35/1.47       ~ ( (ndr1_0)) | 
% 1.35/1.47       (![X0 : $i]: ( (c3_1 @ X0) |  (c0_1 @ X0) | ~ (c1_1 @ X0)))),
% 1.35/1.47      inference('split', [status(esa)], [zip_derived_cl197])).
% 1.35/1.47  thf(clause166, conjecture,
% 1.35/1.47    (~( ( hskp9 ) | ( c3_1 @ V ) | ( c0_1 @ V ) | ( c3_1 @ U ) | 
% 1.35/1.47        ( c0_1 @ U ) | ( ~( c1_1 @ V ) ) | ( ~( ndr1_0 ) ) | ( ~( c2_1 @ U ) ) ))).
% 1.35/1.47  thf(zf_stmt_86, negated_conjecture,
% 1.35/1.47    (( hskp9 ) | ( c3_1 @ V ) | ( c0_1 @ V ) | ( c3_1 @ U ) | ( c0_1 @ U ) | 
% 1.35/1.47     ( ~( c1_1 @ V ) ) | ( ~( ndr1_0 ) ) | ( ~( c2_1 @ U ) )),
% 1.35/1.47    inference('cnf.neg', [status(esa)], [clause166])).
% 1.35/1.47  thf(zip_derived_cl165, plain,
% 1.35/1.47      (![X0 : $i, X1 : $i]:
% 1.35/1.47         ( (hskp9)
% 1.35/1.47          |  (c3_1 @ X0)
% 1.35/1.47          |  (c0_1 @ X0)
% 1.35/1.47          |  (c3_1 @ X1)
% 1.35/1.47          |  (c0_1 @ X1)
% 1.35/1.47          | ~ (c1_1 @ X0)
% 1.35/1.47          | ~ (ndr1_0)
% 1.35/1.47          | ~ (c2_1 @ X1))),
% 1.35/1.47      inference('cnf', [status(esa)], [zf_stmt_86])).
% 1.35/1.47  thf(zip_derived_cl610, plain,
% 1.35/1.47      ((![X0 : $i]: ( (c3_1 @ X0) |  (c0_1 @ X0) | ~ (c1_1 @ X0)))
% 1.35/1.47         <= ((![X0 : $i]: ( (c3_1 @ X0) |  (c0_1 @ X0) | ~ (c1_1 @ X0))))),
% 1.35/1.47      inference('split', [status(esa)], [zip_derived_cl165])).
% 1.35/1.47  thf(zip_derived_cl314, plain, (( (c1_1 @ a484)) <= (( (c1_1 @ a484)))),
% 1.35/1.47      inference('split', [status(esa)], [zip_derived_cl52])).
% 1.35/1.47  thf(zip_derived_cl1901, plain,
% 1.35/1.47      ((( (c0_1 @ a484) |  (c3_1 @ a484)))
% 1.35/1.47         <= (( (c1_1 @ a484)) & 
% 1.35/1.47             (![X0 : $i]: ( (c3_1 @ X0) |  (c0_1 @ X0) | ~ (c1_1 @ X0))))),
% 1.35/1.47      inference('s_sup+', [status(thm)], [zip_derived_cl610, zip_derived_cl314])).
% 1.35/1.47  thf('93', plain,
% 1.35/1.47      (( (c0_1 @ a484)) | 
% 1.35/1.47       ~ (![X0 : $i]: ( (c3_1 @ X0) |  (c0_1 @ X0) | ~ (c1_1 @ X0))) | 
% 1.35/1.47       ~ ( (c1_1 @ a484)) | ( (c3_1 @ a484))),
% 1.35/1.47      inference('split', [status(esa)], [zip_derived_cl1901])).
% 1.35/1.47  thf(clause148, conjecture,
% 1.35/1.47    (~( ( hskp16 ) | ( hskp29 ) | ( c2_1 @ U ) | ( ~( ndr1_0 ) ) | 
% 1.35/1.47        ( ~( c1_1 @ U ) ) | ( ~( c0_1 @ U ) ) ))).
% 1.35/1.47  thf(zf_stmt_87, negated_conjecture,
% 1.35/1.47    (( hskp16 ) | ( hskp29 ) | ( c2_1 @ U ) | ( ~( ndr1_0 ) ) | 
% 1.35/1.47     ( ~( c1_1 @ U ) ) | ( ~( c0_1 @ U ) )),
% 1.35/1.47    inference('cnf.neg', [status(esa)], [clause148])).
% 1.35/1.47  thf(zip_derived_cl147, plain,
% 1.35/1.47      (![X0 : $i]:
% 1.35/1.47         ( (hskp16)
% 1.35/1.47          |  (hskp29)
% 1.35/1.47          |  (c2_1 @ X0)
% 1.35/1.47          | ~ (ndr1_0)
% 1.35/1.47          | ~ (c1_1 @ X0)
% 1.35/1.47          | ~ (c0_1 @ X0))),
% 1.35/1.47      inference('cnf', [status(esa)], [zf_stmt_87])).
% 1.35/1.47  thf(zip_derived_cl538, plain,
% 1.35/1.47      ((![X0 : $i]: ( (c2_1 @ X0) | ~ (c0_1 @ X0) | ~ (c1_1 @ X0)))
% 1.35/1.47         <= ((![X0 : $i]: ( (c2_1 @ X0) | ~ (c0_1 @ X0) | ~ (c1_1 @ X0))))),
% 1.35/1.47      inference('split', [status(esa)], [zip_derived_cl147])).
% 1.35/1.47  thf(zip_derived_cl314, plain, (( (c1_1 @ a484)) <= (( (c1_1 @ a484)))),
% 1.35/1.47      inference('split', [status(esa)], [zip_derived_cl52])).
% 1.35/1.47  thf(zip_derived_cl1090, plain,
% 1.35/1.47      (((~ (c0_1 @ a484) |  (c2_1 @ a484)))
% 1.35/1.47         <= (( (c1_1 @ a484)) & 
% 1.35/1.47             (![X0 : $i]: ( (c2_1 @ X0) | ~ (c0_1 @ X0) | ~ (c1_1 @ X0))))),
% 1.35/1.47      inference('s_sup+', [status(thm)], [zip_derived_cl538, zip_derived_cl314])).
% 1.35/1.47  thf('94', plain,
% 1.35/1.47      (~ ( (c0_1 @ a484)) | 
% 1.35/1.47       ~ (![X0 : $i]: ( (c2_1 @ X0) | ~ (c0_1 @ X0) | ~ (c1_1 @ X0))) | 
% 1.35/1.47       ~ ( (c1_1 @ a484)) | ( (c2_1 @ a484))),
% 1.35/1.47      inference('split', [status(esa)], [zip_derived_cl1090])).
% 1.35/1.47  thf('95', plain, (( (c1_1 @ a484)) | ~ ( (hskp23))),
% 1.35/1.47      inference('split', [status(esa)], [zip_derived_cl52])).
% 1.35/1.47  thf('96', plain, (~ ( (c2_1 @ a484)) | ~ ( (hskp23))),
% 1.35/1.47      inference('split', [status(esa)], [zip_derived_cl88])).
% 1.35/1.47  thf(clause90, conjecture, (~( ( ~( hskp23 ) ) | ( ~( c3_1 @ a484 ) ) ))).
% 1.35/1.47  thf(zf_stmt_88, negated_conjecture, (( ~( hskp23 ) ) | ( ~( c3_1 @ a484 ) )),
% 1.35/1.47    inference('cnf.neg', [status(esa)], [clause90])).
% 1.35/1.47  thf(zip_derived_cl89, plain, ((~ (hskp23) | ~ (c3_1 @ a484))),
% 1.35/1.47      inference('cnf', [status(esa)], [zf_stmt_88])).
% 1.35/1.47  thf('97', plain, (~ ( (c3_1 @ a484)) | ~ ( (hskp23))),
% 1.35/1.47      inference('split', [status(esa)], [zip_derived_cl89])).
% 1.35/1.47  thf(clause143, conjecture,
% 1.35/1.47    (~( ( hskp7 ) | ( hskp23 ) | ( c3_1 @ U ) | ( c1_1 @ U ) | 
% 1.35/1.47        ( ~( ndr1_0 ) ) | ( ~( c2_1 @ U ) ) ))).
% 1.35/1.47  thf(zf_stmt_89, negated_conjecture,
% 1.35/1.47    (( hskp7 ) | ( hskp23 ) | ( c3_1 @ U ) | ( c1_1 @ U ) | ( ~( ndr1_0 ) ) | 
% 1.35/1.47     ( ~( c2_1 @ U ) )),
% 1.35/1.47    inference('cnf.neg', [status(esa)], [clause143])).
% 1.35/1.47  thf(zip_derived_cl142, plain,
% 1.35/1.47      (![X0 : $i]:
% 1.35/1.47         ( (hskp7)
% 1.35/1.47          |  (hskp23)
% 1.35/1.47          |  (c3_1 @ X0)
% 1.35/1.47          |  (c1_1 @ X0)
% 1.35/1.47          | ~ (ndr1_0)
% 1.35/1.47          | ~ (c2_1 @ X0))),
% 1.35/1.47      inference('cnf', [status(esa)], [zf_stmt_89])).
% 1.35/1.47  thf('98', plain,
% 1.35/1.47      (( (hskp23)) | 
% 1.35/1.47       (![X0 : $i]: ( (c3_1 @ X0) | ~ (c2_1 @ X0) |  (c1_1 @ X0))) | 
% 1.35/1.47       ( (hskp7)) | ~ ( (ndr1_0))),
% 1.35/1.47      inference('split', [status(esa)], [zip_derived_cl142])).
% 1.35/1.47  thf(zip_derived_cl514, plain,
% 1.35/1.47      ((![X0 : $i]: ( (c3_1 @ X0) | ~ (c2_1 @ X0) |  (c1_1 @ X0)))
% 1.35/1.47         <= ((![X0 : $i]: ( (c3_1 @ X0) | ~ (c2_1 @ X0) |  (c1_1 @ X0))))),
% 1.35/1.47      inference('split', [status(esa)], [zip_derived_cl141])).
% 1.35/1.47  thf(clause107, conjecture, (~( ( ~( hskp11 ) ) | ( ~( c1_1 @ a449 ) ) ))).
% 1.35/1.47  thf(zf_stmt_90, negated_conjecture, (( ~( hskp11 ) ) | ( ~( c1_1 @ a449 ) )),
% 1.35/1.47    inference('cnf.neg', [status(esa)], [clause107])).
% 1.35/1.47  thf(zip_derived_cl106, plain, ((~ (hskp11) | ~ (c1_1 @ a449))),
% 1.35/1.47      inference('cnf', [status(esa)], [zf_stmt_90])).
% 1.35/1.47  thf(zip_derived_cl422, plain, ((~ (c1_1 @ a449)) <= (~ ( (c1_1 @ a449)))),
% 1.35/1.47      inference('split', [status(esa)], [zip_derived_cl106])).
% 1.35/1.47  thf(zip_derived_cl1707, plain,
% 1.35/1.47      (((~ (c2_1 @ a449) |  (c3_1 @ a449)))
% 1.35/1.47         <= (~ ( (c1_1 @ a449)) & 
% 1.35/1.47             (![X0 : $i]: ( (c3_1 @ X0) | ~ (c2_1 @ X0) |  (c1_1 @ X0))))),
% 1.35/1.47      inference('s_sup-', [status(thm)], [zip_derived_cl514, zip_derived_cl422])).
% 1.35/1.47  thf('99', plain,
% 1.35/1.47      (~ (![X0 : $i]: ( (c3_1 @ X0) | ~ (c2_1 @ X0) |  (c1_1 @ X0))) | 
% 1.35/1.47       ~ ( (c2_1 @ a449)) | ( (c1_1 @ a449)) | ( (c3_1 @ a449))),
% 1.35/1.47      inference('split', [status(esa)], [zip_derived_cl1707])).
% 1.35/1.47  thf(clause71, conjecture, (~( ( c2_1 @ a449 ) | ( ~( hskp11 ) ) ))).
% 1.35/1.47  thf(zf_stmt_91, negated_conjecture, (( c2_1 @ a449 ) | ( ~( hskp11 ) )),
% 1.35/1.47    inference('cnf.neg', [status(esa)], [clause71])).
% 1.35/1.47  thf(zip_derived_cl70, plain, (( (c2_1 @ a449) | ~ (hskp11))),
% 1.35/1.47      inference('cnf', [status(esa)], [zf_stmt_91])).
% 1.35/1.47  thf('100', plain, (( (c2_1 @ a449)) | ~ ( (hskp11))),
% 1.35/1.47      inference('split', [status(esa)], [zip_derived_cl70])).
% 1.35/1.47  thf('101', plain, (~ ( (c1_1 @ a449)) | ~ ( (hskp11))),
% 1.35/1.47      inference('split', [status(esa)], [zip_derived_cl106])).
% 1.35/1.47  thf(clause108, conjecture, (~( ( ~( hskp11 ) ) | ( ~( c3_1 @ a449 ) ) ))).
% 1.35/1.47  thf(zf_stmt_92, negated_conjecture, (( ~( hskp11 ) ) | ( ~( c3_1 @ a449 ) )),
% 1.35/1.47    inference('cnf.neg', [status(esa)], [clause108])).
% 1.35/1.47  thf(zip_derived_cl107, plain, ((~ (hskp11) | ~ (c3_1 @ a449))),
% 1.35/1.47      inference('cnf', [status(esa)], [zf_stmt_92])).
% 1.35/1.47  thf('102', plain, (~ ( (c3_1 @ a449)) | ~ ( (hskp11))),
% 1.35/1.47      inference('split', [status(esa)], [zip_derived_cl107])).
% 1.35/1.47  thf('103', plain,
% 1.35/1.47      (( (hskp11)) | 
% 1.35/1.47       (![X0 : $i]: ( (c2_1 @ X0) |  (c0_1 @ X0) | ~ (c1_1 @ X0))) | 
% 1.35/1.47       ~ ( (ndr1_0)) | 
% 1.35/1.47       (![X1 : $i]: (~ (c0_1 @ X1) |  (c2_1 @ X1) |  (c1_1 @ X1)))),
% 1.35/1.47      inference('split', [status(esa)], [zip_derived_cl163])).
% 1.35/1.47  thf(clause74, conjecture, (~( ( c3_1 @ a443 ) | ( ~( hskp7 ) ) ))).
% 1.35/1.47  thf(zf_stmt_93, negated_conjecture, (( c3_1 @ a443 ) | ( ~( hskp7 ) )),
% 1.35/1.47    inference('cnf.neg', [status(esa)], [clause74])).
% 1.35/1.47  thf(zip_derived_cl73, plain, (( (c3_1 @ a443) | ~ (hskp7))),
% 1.35/1.47      inference('cnf', [status(esa)], [zf_stmt_93])).
% 1.35/1.47  thf('104', plain, (( (c3_1 @ a443)) | ~ ( (hskp7))),
% 1.35/1.47      inference('split', [status(esa)], [zip_derived_cl73])).
% 1.35/1.47  thf('105', plain, (~ ( (hskp7)) | ~ ( (c1_1 @ a443))),
% 1.35/1.47      inference('split', [status(esa)], [zip_derived_cl115])).
% 1.35/1.47  thf('106', plain, (~ ( (c2_1 @ a443)) | ~ ( (hskp7))),
% 1.35/1.47      inference('split', [status(esa)], [zip_derived_cl116])).
% 1.35/1.47  thf(clause168, conjecture,
% 1.35/1.47    (~( ( hskp28 ) | ( c2_1 @ V ) | ( c1_1 @ V ) | ( c2_1 @ U ) | 
% 1.35/1.47        ( c1_1 @ U ) | ( ~( c0_1 @ V ) ) | ( ~( ndr1_0 ) ) | ( ~( c3_1 @ U ) ) ))).
% 1.35/1.47  thf(zf_stmt_94, negated_conjecture,
% 1.35/1.47    (( hskp28 ) | ( c2_1 @ V ) | ( c1_1 @ V ) | ( c2_1 @ U ) | ( c1_1 @ U ) | 
% 1.35/1.47     ( ~( c0_1 @ V ) ) | ( ~( ndr1_0 ) ) | ( ~( c3_1 @ U ) )),
% 1.35/1.47    inference('cnf.neg', [status(esa)], [clause168])).
% 1.35/1.47  thf(zip_derived_cl167, plain,
% 1.35/1.47      (![X0 : $i, X1 : $i]:
% 1.35/1.47         ( (hskp28)
% 1.35/1.47          |  (c2_1 @ X0)
% 1.35/1.47          |  (c1_1 @ X0)
% 1.35/1.47          |  (c2_1 @ X1)
% 1.35/1.47          |  (c1_1 @ X1)
% 1.35/1.47          | ~ (c0_1 @ X0)
% 1.35/1.47          | ~ (ndr1_0)
% 1.35/1.47          | ~ (c3_1 @ X1))),
% 1.35/1.47      inference('cnf', [status(esa)], [zf_stmt_94])).
% 1.35/1.47  thf(zip_derived_cl617, plain,
% 1.35/1.47      ((![X1 : $i]: (~ (c3_1 @ X1) |  (c2_1 @ X1) |  (c1_1 @ X1)))
% 1.35/1.47         <= ((![X1 : $i]: (~ (c3_1 @ X1) |  (c2_1 @ X1) |  (c1_1 @ X1))))),
% 1.35/1.47      inference('split', [status(esa)], [zip_derived_cl167])).
% 1.35/1.47  thf(zip_derived_cl440, plain, ((~ (c1_1 @ a443)) <= (~ ( (c1_1 @ a443)))),
% 1.35/1.47      inference('split', [status(esa)], [zip_derived_cl115])).
% 1.35/1.47  thf(zip_derived_cl2170, plain,
% 1.35/1.47      ((( (c2_1 @ a443) | ~ (c3_1 @ a443)))
% 1.35/1.47         <= (~ ( (c1_1 @ a443)) & 
% 1.35/1.47             (![X1 : $i]: (~ (c3_1 @ X1) |  (c2_1 @ X1) |  (c1_1 @ X1))))),
% 1.35/1.47      inference('s_sup-', [status(thm)], [zip_derived_cl617, zip_derived_cl440])).
% 1.35/1.47  thf('107', plain,
% 1.35/1.47      (( (c1_1 @ a443)) | ~ ( (c3_1 @ a443)) | 
% 1.35/1.47       ~ (![X1 : $i]: (~ (c3_1 @ X1) |  (c2_1 @ X1) |  (c1_1 @ X1))) | 
% 1.35/1.47       ( (c2_1 @ a443))),
% 1.35/1.47      inference('split', [status(esa)], [zip_derived_cl2170])).
% 1.35/1.47  thf(zip_derived_cl490, plain,
% 1.35/1.47      ((![X0 : $i]: ( (c2_1 @ X0) |  (c0_1 @ X0) | ~ (c1_1 @ X0)))
% 1.35/1.47         <= ((![X0 : $i]: ( (c2_1 @ X0) |  (c0_1 @ X0) | ~ (c1_1 @ X0))))),
% 1.35/1.47      inference('split', [status(esa)], [zip_derived_cl135])).
% 1.35/1.47  thf(clause69, conjecture, (~( ( c1_1 @ a450 ) | ( ~( hskp12 ) ) ))).
% 1.35/1.47  thf(zf_stmt_95, negated_conjecture, (( c1_1 @ a450 ) | ( ~( hskp12 ) )),
% 1.35/1.47    inference('cnf.neg', [status(esa)], [clause69])).
% 1.35/1.47  thf(zip_derived_cl68, plain, (( (c1_1 @ a450) | ~ (hskp12))),
% 1.35/1.47      inference('cnf', [status(esa)], [zf_stmt_95])).
% 1.35/1.47  thf(zip_derived_cl346, plain, (( (c1_1 @ a450)) <= (( (c1_1 @ a450)))),
% 1.35/1.47      inference('split', [status(esa)], [zip_derived_cl68])).
% 1.35/1.47  thf(zip_derived_cl1376, plain,
% 1.35/1.47      ((( (c0_1 @ a450) |  (c2_1 @ a450)))
% 1.35/1.47         <= (( (c1_1 @ a450)) & 
% 1.35/1.47             (![X0 : $i]: ( (c2_1 @ X0) |  (c0_1 @ X0) | ~ (c1_1 @ X0))))),
% 1.35/1.47      inference('s_sup+', [status(thm)], [zip_derived_cl490, zip_derived_cl346])).
% 1.35/1.47  thf('108', plain,
% 1.35/1.47      (( (c2_1 @ a450)) | ( (c0_1 @ a450)) | 
% 1.35/1.47       ~ (![X0 : $i]: ( (c2_1 @ X0) |  (c0_1 @ X0) | ~ (c1_1 @ X0))) | 
% 1.35/1.47       ~ ( (c1_1 @ a450))),
% 1.35/1.47      inference('split', [status(esa)], [zip_derived_cl1376])).
% 1.35/1.47  thf(zip_derived_cl542, plain,
% 1.35/1.47      ((![X0 : $i]: (~ (c3_1 @ X0) |  (c2_1 @ X0) | ~ (c1_1 @ X0)))
% 1.35/1.47         <= ((![X0 : $i]: (~ (c3_1 @ X0) |  (c2_1 @ X0) | ~ (c1_1 @ X0))))),
% 1.35/1.47      inference('split', [status(esa)], [zip_derived_cl148])).
% 1.35/1.47  thf(zip_derived_cl346, plain, (( (c1_1 @ a450)) <= (( (c1_1 @ a450)))),
% 1.35/1.47      inference('split', [status(esa)], [zip_derived_cl68])).
% 1.35/1.47  thf(zip_derived_cl1116, plain,
% 1.35/1.47      ((( (c2_1 @ a450) | ~ (c3_1 @ a450)))
% 1.35/1.47         <= (( (c1_1 @ a450)) & 
% 1.35/1.47             (![X0 : $i]: (~ (c3_1 @ X0) |  (c2_1 @ X0) | ~ (c1_1 @ X0))))),
% 1.35/1.47      inference('s_sup+', [status(thm)], [zip_derived_cl542, zip_derived_cl346])).
% 1.35/1.47  thf('109', plain,
% 1.35/1.47      (( (c2_1 @ a450)) | ~ ( (c1_1 @ a450)) | 
% 1.35/1.47       ~ (![X0 : $i]: (~ (c3_1 @ X0) |  (c2_1 @ X0) | ~ (c1_1 @ X0))) | 
% 1.35/1.47       ~ ( (c3_1 @ a450))),
% 1.35/1.47      inference('split', [status(esa)], [zip_derived_cl1116])).
% 1.35/1.47  thf('110', plain,
% 1.35/1.47      ((![X1 : $i]: (~ (c3_1 @ X1) |  (c2_1 @ X1) |  (c1_1 @ X1))) | 
% 1.35/1.47       ( (hskp28)) | ~ ( (ndr1_0)) | 
% 1.35/1.47       (![X1 : $i]: (~ (c0_1 @ X1) |  (c2_1 @ X1) |  (c1_1 @ X1)))),
% 1.35/1.47      inference('split', [status(esa)], [zip_derived_cl167])).
% 1.35/1.47  thf(zip_derived_cl601, plain,
% 1.35/1.47      ((![X1 : $i]: (~ (c0_1 @ X1) |  (c2_1 @ X1) |  (c1_1 @ X1)))
% 1.35/1.47         <= ((![X1 : $i]: (~ (c0_1 @ X1) |  (c2_1 @ X1) |  (c1_1 @ X1))))),
% 1.35/1.47      inference('split', [status(esa)], [zip_derived_cl163])).
% 1.35/1.47  thf(zip_derived_cl398, plain, ((~ (c1_1 @ a467)) <= (~ ( (c1_1 @ a467)))),
% 1.35/1.47      inference('split', [status(esa)], [zip_derived_cl94])).
% 1.35/1.47  thf(zip_derived_cl2084, plain,
% 1.35/1.47      ((( (c2_1 @ a467) | ~ (c0_1 @ a467)))
% 1.35/1.47         <= (~ ( (c1_1 @ a467)) & 
% 1.35/1.47             (![X1 : $i]: (~ (c0_1 @ X1) |  (c2_1 @ X1) |  (c1_1 @ X1))))),
% 1.35/1.47      inference('s_sup-', [status(thm)], [zip_derived_cl601, zip_derived_cl398])).
% 1.35/1.47  thf('111', plain,
% 1.35/1.47      (~ ( (c0_1 @ a467)) | ( (c1_1 @ a467)) | 
% 1.35/1.47       ~ (![X1 : $i]: (~ (c0_1 @ X1) |  (c2_1 @ X1) |  (c1_1 @ X1))) | 
% 1.35/1.47       ( (c2_1 @ a467))),
% 1.35/1.47      inference('split', [status(esa)], [zip_derived_cl2084])).
% 1.35/1.47  thf('112', plain, (( (c1_1 @ a450)) | ~ ( (hskp12))),
% 1.35/1.47      inference('split', [status(esa)], [zip_derived_cl68])).
% 1.35/1.47  thf(clause59, conjecture, (~( ( c0_1 @ a467 ) | ( ~( hskp19 ) ) ))).
% 1.35/1.47  thf(zf_stmt_96, negated_conjecture, (( c0_1 @ a467 ) | ( ~( hskp19 ) )),
% 1.35/1.47    inference('cnf.neg', [status(esa)], [clause59])).
% 1.35/1.47  thf(zip_derived_cl58, plain, (( (c0_1 @ a467) | ~ (hskp19))),
% 1.35/1.47      inference('cnf', [status(esa)], [zf_stmt_96])).
% 1.35/1.47  thf('113', plain, (( (c0_1 @ a467)) | ~ ( (hskp19))),
% 1.35/1.47      inference('split', [status(esa)], [zip_derived_cl58])).
% 1.35/1.47  thf('114', plain, (~ ( (c1_1 @ a467)) | ~ ( (hskp19))),
% 1.35/1.47      inference('split', [status(esa)], [zip_derived_cl94])).
% 1.35/1.47  thf('115', plain, (~ ( (c2_1 @ a467)) | ~ ( (hskp19))),
% 1.35/1.47      inference('split', [status(esa)], [zip_derived_cl95])).
% 1.35/1.47  thf(zip_derived_cl470, plain,
% 1.35/1.47      ((![X0 : $i]: ( (c3_1 @ X0) |  (c2_1 @ X0) |  (c0_1 @ X0)))
% 1.35/1.47         <= ((![X0 : $i]: ( (c3_1 @ X0) |  (c2_1 @ X0) |  (c0_1 @ X0))))),
% 1.35/1.47      inference('split', [status(esa)], [zip_derived_cl130])).
% 1.35/1.47  thf(zip_derived_cl863, plain, ((~ (c2_1 @ a456)) <= (~ ( (c2_1 @ a456)))),
% 1.35/1.47      inference('split', [status(esa)], [zip_derived_cl855])).
% 1.35/1.47  thf(zip_derived_cl1058, plain,
% 1.35/1.47      ((( (c0_1 @ a456) |  (c3_1 @ a456)))
% 1.35/1.47         <= (~ ( (c2_1 @ a456)) & 
% 1.35/1.47             (![X0 : $i]: ( (c3_1 @ X0) |  (c2_1 @ X0) |  (c0_1 @ X0))))),
% 1.35/1.47      inference('s_sup-', [status(thm)], [zip_derived_cl470, zip_derived_cl863])).
% 1.35/1.47  thf(zip_derived_cl1987, plain, (( (c3_1 @ a456)) <= (( (c3_1 @ a456)))),
% 1.35/1.47      inference('split', [status(esa)], [zip_derived_cl1058])).
% 1.35/1.47  thf(zip_derived_cl1537, plain,
% 1.35/1.47      ((![X0 : $i]: (~ (c3_1 @ X0) | ~ (c0_1 @ X0)))
% 1.35/1.47         <= ((![X0 : $i]: (~ (c3_1 @ X0) | ~ (c0_1 @ X0) |  (c1_1 @ X0))) & 
% 1.35/1.47             (![X0 : $i]: (~ (c3_1 @ X0) | ~ (c0_1 @ X0) | ~ (c1_1 @ X0))))),
% 1.35/1.47      inference('simplify', [status(thm)], [zip_derived_cl1529])).
% 1.35/1.47  thf(zip_derived_cl2353, plain,
% 1.35/1.47      ((~ (c0_1 @ a456))
% 1.35/1.47         <= ((![X0 : $i]: (~ (c3_1 @ X0) | ~ (c0_1 @ X0) |  (c1_1 @ X0))) & 
% 1.35/1.47             (![X0 : $i]: (~ (c3_1 @ X0) | ~ (c0_1 @ X0) | ~ (c1_1 @ X0))) & 
% 1.35/1.47             ( (c3_1 @ a456)))),
% 1.35/1.47      inference('s_sup-', [status(thm)],
% 1.35/1.47                [zip_derived_cl1987, zip_derived_cl1537])).
% 1.35/1.47  thf(zip_derived_cl284, plain, (( (c0_1 @ a456)) <= (( (c0_1 @ a456)))),
% 1.35/1.47      inference('split', [status(esa)], [zip_derived_cl37])).
% 1.35/1.47  thf('116', plain,
% 1.35/1.47      (~ ( (c3_1 @ a456)) | ~ ( (c0_1 @ a456)) | 
% 1.35/1.47       ~ (![X0 : $i]: (~ (c3_1 @ X0) | ~ (c0_1 @ X0) |  (c1_1 @ X0))) | 
% 1.35/1.47       ~ (![X0 : $i]: (~ (c3_1 @ X0) | ~ (c0_1 @ X0) | ~ (c1_1 @ X0)))),
% 1.35/1.47      inference('s_sup+', [status(thm)],
% 1.35/1.47                [zip_derived_cl2353, zip_derived_cl284])).
% 1.35/1.47  thf(zip_derived_cl693, plain,
% 1.35/1.47      ((![X1 : $i]: ( (c3_1 @ X1) | ~ (c0_1 @ X1) | ~ (c1_1 @ X1)))
% 1.35/1.47         <= ((![X1 : $i]: ( (c3_1 @ X1) | ~ (c0_1 @ X1) | ~ (c1_1 @ X1))))),
% 1.35/1.47      inference('split', [status(esa)], [zip_derived_cl186])).
% 1.35/1.47  thf(zip_derived_cl286, plain, (( (c1_1 @ a456)) <= (( (c1_1 @ a456)))),
% 1.35/1.47      inference('split', [status(esa)], [zip_derived_cl38])).
% 1.35/1.47  thf(zip_derived_cl1400, plain,
% 1.35/1.47      (((~ (c0_1 @ a456) |  (c3_1 @ a456)))
% 1.35/1.47         <= (( (c1_1 @ a456)) & 
% 1.35/1.47             (![X1 : $i]: ( (c3_1 @ X1) | ~ (c0_1 @ X1) | ~ (c1_1 @ X1))))),
% 1.35/1.47      inference('s_sup+', [status(thm)], [zip_derived_cl693, zip_derived_cl286])).
% 1.35/1.47  thf('117', plain,
% 1.35/1.47      (( (c3_1 @ a456)) | ~ ( (c0_1 @ a456)) | 
% 1.35/1.47       ~ (![X1 : $i]: ( (c3_1 @ X1) | ~ (c0_1 @ X1) | ~ (c1_1 @ X1))) | 
% 1.35/1.47       ~ ( (c1_1 @ a456))),
% 1.35/1.47      inference('split', [status(esa)], [zip_derived_cl1400])).
% 1.35/1.47  thf(zip_derived_cl610, plain,
% 1.35/1.47      ((![X0 : $i]: ( (c3_1 @ X0) |  (c0_1 @ X0) | ~ (c1_1 @ X0)))
% 1.35/1.47         <= ((![X0 : $i]: ( (c3_1 @ X0) |  (c0_1 @ X0) | ~ (c1_1 @ X0))))),
% 1.35/1.47      inference('split', [status(esa)], [zip_derived_cl165])).
% 1.35/1.47  thf(zip_derived_cl368, plain, (( (c1_1 @ a435)) <= (( (c1_1 @ a435)))),
% 1.35/1.47      inference('split', [status(esa)], [zip_derived_cl79])).
% 1.35/1.47  thf(zip_derived_cl1907, plain,
% 1.35/1.47      ((( (c0_1 @ a435) |  (c3_1 @ a435)))
% 1.35/1.47         <= (( (c1_1 @ a435)) & 
% 1.35/1.47             (![X0 : $i]: ( (c3_1 @ X0) |  (c0_1 @ X0) | ~ (c1_1 @ X0))))),
% 1.35/1.47      inference('s_sup+', [status(thm)], [zip_derived_cl610, zip_derived_cl368])).
% 1.35/1.47  thf('118', plain,
% 1.35/1.47      (~ ( (c1_1 @ a435)) | ( (c0_1 @ a435)) | 
% 1.35/1.47       ~ (![X0 : $i]: ( (c3_1 @ X0) |  (c0_1 @ X0) | ~ (c1_1 @ X0))) | 
% 1.35/1.47       ( (c3_1 @ a435))),
% 1.35/1.47      inference('split', [status(esa)], [zip_derived_cl1907])).
% 1.35/1.47  thf(clause186, conjecture,
% 1.35/1.47    (~( ( hskp25 ) | ( c1_1 @ V ) | ( c3_1 @ U ) | ( ~( c3_1 @ V ) ) | 
% 1.35/1.47        ( ~( c0_1 @ V ) ) | ( ~( ndr1_0 ) ) | ( ~( c2_1 @ U ) ) | 
% 1.35/1.47        ( ~( c0_1 @ U ) ) ))).
% 1.35/1.47  thf(zf_stmt_97, negated_conjecture,
% 1.35/1.47    (( hskp25 ) | ( c1_1 @ V ) | ( c3_1 @ U ) | ( ~( c3_1 @ V ) ) | 
% 1.35/1.47     ( ~( c0_1 @ V ) ) | ( ~( ndr1_0 ) ) | ( ~( c2_1 @ U ) ) | 
% 1.35/1.47     ( ~( c0_1 @ U ) )),
% 1.35/1.47    inference('cnf.neg', [status(esa)], [clause186])).
% 1.35/1.47  thf(zip_derived_cl185, plain,
% 1.35/1.47      (![X0 : $i, X1 : $i]:
% 1.35/1.47         ( (hskp25)
% 1.35/1.47          |  (c1_1 @ X0)
% 1.35/1.47          |  (c3_1 @ X1)
% 1.35/1.47          | ~ (c3_1 @ X0)
% 1.35/1.47          | ~ (c0_1 @ X0)
% 1.35/1.47          | ~ (ndr1_0)
% 1.35/1.47          | ~ (c2_1 @ X1)
% 1.35/1.47          | ~ (c0_1 @ X1))),
% 1.35/1.47      inference('cnf', [status(esa)], [zf_stmt_97])).
% 1.35/1.47  thf('119', plain,
% 1.35/1.47      (( (hskp25)) | 
% 1.35/1.47       (![X0 : $i]: ( (c3_1 @ X0) | ~ (c2_1 @ X0) | ~ (c0_1 @ X0))) | 
% 1.35/1.47       ~ ( (ndr1_0)) | 
% 1.35/1.47       (![X0 : $i]: (~ (c3_1 @ X0) | ~ (c0_1 @ X0) |  (c1_1 @ X0)))),
% 1.35/1.47      inference('split', [status(esa)], [zip_derived_cl185])).
% 1.35/1.47  thf(clause49, conjecture, (~( ( c2_1 @ a489 ) | ( ~( hskp25 ) ) ))).
% 1.35/1.47  thf(zf_stmt_98, negated_conjecture, (( c2_1 @ a489 ) | ( ~( hskp25 ) )),
% 1.35/1.47    inference('cnf.neg', [status(esa)], [clause49])).
% 1.35/1.47  thf(zip_derived_cl48, plain, (( (c2_1 @ a489) | ~ (hskp25))),
% 1.35/1.47      inference('cnf', [status(esa)], [zf_stmt_98])).
% 1.35/1.47  thf('120', plain, (( (c2_1 @ a489)) | ~ ( (hskp25))),
% 1.35/1.47      inference('split', [status(esa)], [zip_derived_cl48])).
% 1.35/1.47  thf(clause50, conjecture, (~( ( c3_1 @ a489 ) | ( ~( hskp25 ) ) ))).
% 1.35/1.47  thf(zf_stmt_99, negated_conjecture, (( c3_1 @ a489 ) | ( ~( hskp25 ) )),
% 1.35/1.47    inference('cnf.neg', [status(esa)], [clause50])).
% 1.35/1.47  thf(zip_derived_cl49, plain, (( (c3_1 @ a489) | ~ (hskp25))),
% 1.35/1.47      inference('cnf', [status(esa)], [zf_stmt_99])).
% 1.35/1.47  thf('121', plain, (( (c3_1 @ a489)) | ~ ( (hskp25))),
% 1.35/1.47      inference('split', [status(esa)], [zip_derived_cl49])).
% 1.35/1.47  thf(clause87, conjecture, (~( ( ~( hskp25 ) ) | ( ~( c0_1 @ a489 ) ) ))).
% 1.35/1.47  thf(zf_stmt_100, negated_conjecture,
% 1.35/1.47    (( ~( hskp25 ) ) | ( ~( c0_1 @ a489 ) )),
% 1.35/1.47    inference('cnf.neg', [status(esa)], [clause87])).
% 1.35/1.47  thf(zip_derived_cl86, plain, ((~ (hskp25) | ~ (c0_1 @ a489))),
% 1.35/1.47      inference('cnf', [status(esa)], [zf_stmt_100])).
% 1.35/1.47  thf('122', plain, (~ ( (c0_1 @ a489)) | ~ ( (hskp25))),
% 1.35/1.47      inference('split', [status(esa)], [zip_derived_cl86])).
% 1.35/1.47  thf(zip_derived_cl522, plain,
% 1.35/1.47      ((![X0 : $i]: (~ (c3_1 @ X0) | ~ (c2_1 @ X0) |  (c0_1 @ X0)))
% 1.35/1.47         <= ((![X0 : $i]: (~ (c3_1 @ X0) | ~ (c2_1 @ X0) |  (c0_1 @ X0))))),
% 1.35/1.47      inference('split', [status(esa)], [zip_derived_cl143])).
% 1.35/1.47  thf(zip_derived_cl306, plain, (( (c2_1 @ a489)) <= (( (c2_1 @ a489)))),
% 1.35/1.47      inference('split', [status(esa)], [zip_derived_cl48])).
% 1.35/1.47  thf(zip_derived_cl1026, plain,
% 1.35/1.47      ((( (c0_1 @ a489) | ~ (c3_1 @ a489)))
% 1.35/1.47         <= (( (c2_1 @ a489)) & 
% 1.35/1.47             (![X0 : $i]: (~ (c3_1 @ X0) | ~ (c2_1 @ X0) |  (c0_1 @ X0))))),
% 1.35/1.47      inference('s_sup+', [status(thm)], [zip_derived_cl522, zip_derived_cl306])).
% 1.35/1.47  thf('123', plain,
% 1.35/1.47      (~ (![X0 : $i]: (~ (c3_1 @ X0) | ~ (c2_1 @ X0) |  (c0_1 @ X0))) | 
% 1.35/1.47       ~ ( (c2_1 @ a489)) | ( (c0_1 @ a489)) | ~ ( (c3_1 @ a489))),
% 1.35/1.47      inference('split', [status(esa)], [zip_derived_cl1026])).
% 1.35/1.47  thf(clause204, conjecture,
% 1.35/1.47    (~( ( c3_1 @ W ) | ( c1_1 @ W ) | ( ~( c0_1 @ W ) ) | ( ~( c2_1 @ V ) ) | 
% 1.35/1.47        ( ~( c1_1 @ V ) ) | ( ~( c0_1 @ V ) ) | ( ~( ndr1_0 ) ) | 
% 1.35/1.47        ( ~( c3_1 @ U ) ) | ( ~( c1_1 @ U ) ) | ( ~( c0_1 @ U ) ) ))).
% 1.35/1.47  thf(zf_stmt_101, negated_conjecture,
% 1.35/1.47    (( c3_1 @ W ) | ( c1_1 @ W ) | ( ~( c0_1 @ W ) ) | ( ~( c2_1 @ V ) ) | 
% 1.35/1.47     ( ~( c1_1 @ V ) ) | ( ~( c0_1 @ V ) ) | ( ~( ndr1_0 ) ) | 
% 1.35/1.47     ( ~( c3_1 @ U ) ) | ( ~( c1_1 @ U ) ) | ( ~( c0_1 @ U ) )),
% 1.35/1.47    inference('cnf.neg', [status(esa)], [clause204])).
% 1.35/1.47  thf(zip_derived_cl203, plain,
% 1.35/1.47      (![X0 : $i, X1 : $i, X2 : $i]:
% 1.35/1.47         ( (c3_1 @ X0)
% 1.35/1.47          |  (c1_1 @ X0)
% 1.35/1.47          | ~ (c0_1 @ X0)
% 1.35/1.47          | ~ (c2_1 @ X1)
% 1.35/1.47          | ~ (c1_1 @ X1)
% 1.35/1.47          | ~ (c0_1 @ X1)
% 1.35/1.47          | ~ (ndr1_0)
% 1.35/1.47          | ~ (c3_1 @ X2)
% 1.35/1.47          | ~ (c1_1 @ X2)
% 1.35/1.47          | ~ (c0_1 @ X2))),
% 1.35/1.47      inference('cnf', [status(esa)], [zf_stmt_101])).
% 1.35/1.47  thf('124', plain,
% 1.35/1.47      ((![X1 : $i]: (~ (c0_1 @ X1) | ~ (c2_1 @ X1) | ~ (c1_1 @ X1))) | 
% 1.35/1.47       (![X0 : $i]: (~ (c3_1 @ X0) | ~ (c0_1 @ X0) | ~ (c1_1 @ X0))) | 
% 1.35/1.47       (![X1 : $i]: ( (c3_1 @ X1) | ~ (c0_1 @ X1) |  (c1_1 @ X1))) | 
% 1.35/1.47       ~ ( (ndr1_0))),
% 1.35/1.47      inference('split', [status(esa)], [zip_derived_cl203])).
% 1.35/1.47  thf(clause75, conjecture, (~( ( c0_1 @ a442 ) | ( ~( hskp6 ) ) ))).
% 1.35/1.47  thf(zf_stmt_102, negated_conjecture, (( c0_1 @ a442 ) | ( ~( hskp6 ) )),
% 1.35/1.47    inference('cnf.neg', [status(esa)], [clause75])).
% 1.35/1.47  thf(zip_derived_cl74, plain, (( (c0_1 @ a442) | ~ (hskp6))),
% 1.35/1.47      inference('cnf', [status(esa)], [zf_stmt_102])).
% 1.35/1.47  thf('125', plain, (( (c0_1 @ a442)) | ~ ( (hskp6))),
% 1.35/1.47      inference('split', [status(esa)], [zip_derived_cl74])).
% 1.35/1.47  thf(clause76, conjecture, (~( ( c2_1 @ a442 ) | ( ~( hskp6 ) ) ))).
% 1.35/1.47  thf(zf_stmt_103, negated_conjecture, (( c2_1 @ a442 ) | ( ~( hskp6 ) )),
% 1.35/1.47    inference('cnf.neg', [status(esa)], [clause76])).
% 1.35/1.47  thf(zip_derived_cl75, plain, (( (c2_1 @ a442) | ~ (hskp6))),
% 1.35/1.47      inference('cnf', [status(esa)], [zf_stmt_103])).
% 1.35/1.47  thf('126', plain, (( (c2_1 @ a442)) | ~ ( (hskp6))),
% 1.35/1.47      inference('split', [status(esa)], [zip_derived_cl75])).
% 1.35/1.47  thf(clause118, conjecture, (~( ( ~( hskp6 ) ) | ( ~( c3_1 @ a442 ) ) ))).
% 1.35/1.47  thf(zf_stmt_104, negated_conjecture, (( ~( hskp6 ) ) | ( ~( c3_1 @ a442 ) )),
% 1.35/1.47    inference('cnf.neg', [status(esa)], [clause118])).
% 1.35/1.47  thf(zip_derived_cl117, plain, ((~ (hskp6) | ~ (c3_1 @ a442))),
% 1.35/1.47      inference('cnf', [status(esa)], [zf_stmt_104])).
% 1.35/1.47  thf('127', plain, (~ ( (c3_1 @ a442)) | ~ ( (hskp6))),
% 1.35/1.47      inference('split', [status(esa)], [zip_derived_cl117])).
% 1.35/1.47  thf(clause35, conjecture, (~( ( hskp13 ) | ( hskp20 ) | ( hskp6 ) ))).
% 1.35/1.47  thf(zf_stmt_105, negated_conjecture, (( hskp13 ) | ( hskp20 ) | ( hskp6 )),
% 1.35/1.47    inference('cnf.neg', [status(esa)], [clause35])).
% 1.35/1.47  thf(zip_derived_cl34, plain, (( (hskp13) |  (hskp20) |  (hskp6))),
% 1.35/1.47      inference('cnf', [status(esa)], [zf_stmt_105])).
% 1.35/1.47  thf('128', plain, (( (hskp6)) | ( (hskp20)) | ( (hskp13))),
% 1.35/1.47      inference('split', [status(esa)], [zip_derived_cl34])).
% 1.35/1.47  thf(clause67, conjecture, (~( ( c2_1 @ a451 ) | ( ~( hskp13 ) ) ))).
% 1.35/1.47  thf(zf_stmt_106, negated_conjecture, (( c2_1 @ a451 ) | ( ~( hskp13 ) )),
% 1.35/1.47    inference('cnf.neg', [status(esa)], [clause67])).
% 1.35/1.47  thf(zip_derived_cl66, plain, (( (c2_1 @ a451) | ~ (hskp13))),
% 1.35/1.47      inference('cnf', [status(esa)], [zf_stmt_106])).
% 1.35/1.47  thf(zip_derived_cl342, plain, (( (c2_1 @ a451)) <= (( (c2_1 @ a451)))),
% 1.35/1.47      inference('split', [status(esa)], [zip_derived_cl66])).
% 1.35/1.47  thf(zip_derived_cl566, plain,
% 1.35/1.47      ((![X0 : $i]: (~ (c3_1 @ X0) | ~ (c2_1 @ X0) | ~ (c0_1 @ X0)))
% 1.35/1.47         <= ((![X0 : $i]: (~ (c3_1 @ X0) | ~ (c2_1 @ X0) | ~ (c0_1 @ X0))))),
% 1.35/1.47      inference('split', [status(esa)], [zip_derived_cl154])).
% 1.35/1.47  thf(zip_derived_cl962, plain,
% 1.35/1.47      (((~ (c3_1 @ a451) | ~ (c0_1 @ a451)))
% 1.35/1.47         <= (( (c2_1 @ a451)) & 
% 1.35/1.47             (![X0 : $i]: (~ (c3_1 @ X0) | ~ (c2_1 @ X0) | ~ (c0_1 @ X0))))),
% 1.35/1.47      inference('s_sup-', [status(thm)], [zip_derived_cl342, zip_derived_cl566])).
% 1.35/1.47  thf('129', plain,
% 1.35/1.47      (~ (![X0 : $i]: (~ (c3_1 @ X0) | ~ (c2_1 @ X0) | ~ (c0_1 @ X0))) | 
% 1.35/1.47       ~ ( (c0_1 @ a451)) | ~ ( (c2_1 @ a451)) | ~ ( (c3_1 @ a451))),
% 1.35/1.47      inference('split', [status(esa)], [zip_derived_cl962])).
% 1.35/1.47  thf(zip_derived_cl522, plain,
% 1.35/1.47      ((![X0 : $i]: (~ (c3_1 @ X0) | ~ (c2_1 @ X0) |  (c0_1 @ X0)))
% 1.35/1.47         <= ((![X0 : $i]: (~ (c3_1 @ X0) | ~ (c2_1 @ X0) |  (c0_1 @ X0))))),
% 1.35/1.47      inference('split', [status(esa)], [zip_derived_cl143])).
% 1.35/1.47  thf(zip_derived_cl342, plain, (( (c2_1 @ a451)) <= (( (c2_1 @ a451)))),
% 1.35/1.47      inference('split', [status(esa)], [zip_derived_cl66])).
% 1.35/1.47  thf(zip_derived_cl1030, plain,
% 1.35/1.47      ((( (c0_1 @ a451) | ~ (c3_1 @ a451)))
% 1.35/1.47         <= (( (c2_1 @ a451)) & 
% 1.35/1.47             (![X0 : $i]: (~ (c3_1 @ X0) | ~ (c2_1 @ X0) |  (c0_1 @ X0))))),
% 1.35/1.47      inference('s_sup+', [status(thm)], [zip_derived_cl522, zip_derived_cl342])).
% 1.35/1.47  thf('130', plain,
% 1.35/1.47      (( (c0_1 @ a451)) | ~ ( (c2_1 @ a451)) | 
% 1.35/1.47       ~ (![X0 : $i]: (~ (c3_1 @ X0) | ~ (c2_1 @ X0) |  (c0_1 @ X0))) | 
% 1.35/1.47       ~ ( (c3_1 @ a451))),
% 1.35/1.47      inference('split', [status(esa)], [zip_derived_cl1030])).
% 1.35/1.47  thf('131', plain,
% 1.35/1.47      (( (hskp14)) | ( (hskp12)) | ~ ( (ndr1_0)) | 
% 1.35/1.47       (![X0 : $i]: ( (c3_1 @ X0) | ~ (c2_1 @ X0) | ~ (c0_1 @ X0)))),
% 1.35/1.47      inference('split', [status(esa)], [zip_derived_cl149])).
% 1.35/1.47  thf(zip_derived_cl498, plain,
% 1.35/1.47      ((![X0 : $i]: (~ (c3_1 @ X0) |  (c2_1 @ X0) |  (c0_1 @ X0)))
% 1.35/1.47         <= ((![X0 : $i]: (~ (c3_1 @ X0) |  (c2_1 @ X0) |  (c0_1 @ X0))))),
% 1.35/1.47      inference('split', [status(esa)], [zip_derived_cl137])).
% 1.35/1.47  thf(zip_derived_cl346, plain, (( (c1_1 @ a450)) <= (( (c1_1 @ a450)))),
% 1.35/1.47      inference('split', [status(esa)], [zip_derived_cl68])).
% 1.35/1.47  thf(zip_derived_cl574, plain,
% 1.35/1.47      ((![X0 : $i]: (~ (c3_1 @ X0) | ~ (c2_1 @ X0) | ~ (c1_1 @ X0)))
% 1.35/1.47         <= ((![X0 : $i]: (~ (c3_1 @ X0) | ~ (c2_1 @ X0) | ~ (c1_1 @ X0))))),
% 1.35/1.47      inference('split', [status(esa)], [zip_derived_cl156])).
% 1.35/1.47  thf(zip_derived_cl977, plain,
% 1.35/1.47      (((~ (c3_1 @ a450) | ~ (c2_1 @ a450)))
% 1.35/1.47         <= (( (c1_1 @ a450)) & 
% 1.35/1.47             (![X0 : $i]: (~ (c3_1 @ X0) | ~ (c2_1 @ X0) | ~ (c1_1 @ X0))))),
% 1.35/1.47      inference('s_sup-', [status(thm)], [zip_derived_cl346, zip_derived_cl574])).
% 1.35/1.47  thf(zip_derived_cl1228, plain, ((~ (c2_1 @ a450)) <= (~ ( (c2_1 @ a450)))),
% 1.35/1.47      inference('split', [status(esa)], [zip_derived_cl977])).
% 1.35/1.47  thf(zip_derived_cl1466, plain,
% 1.35/1.47      ((( (c0_1 @ a450) | ~ (c3_1 @ a450)))
% 1.35/1.47         <= (~ ( (c2_1 @ a450)) & 
% 1.35/1.47             (![X0 : $i]: (~ (c3_1 @ X0) |  (c2_1 @ X0) |  (c0_1 @ X0))))),
% 1.35/1.47      inference('s_sup-', [status(thm)],
% 1.35/1.47                [zip_derived_cl498, zip_derived_cl1228])).
% 1.35/1.47  thf('132', plain,
% 1.35/1.47      (( (c2_1 @ a450)) | ( (c0_1 @ a450)) | 
% 1.35/1.47       ~ (![X0 : $i]: (~ (c3_1 @ X0) |  (c2_1 @ X0) |  (c0_1 @ X0))) | 
% 1.35/1.47       ~ ( (c3_1 @ a450))),
% 1.35/1.47      inference('split', [status(esa)], [zip_derived_cl1466])).
% 1.35/1.47  thf(clause70, conjecture, (~( ( c3_1 @ a450 ) | ( ~( hskp12 ) ) ))).
% 1.35/1.47  thf(zf_stmt_107, negated_conjecture, (( c3_1 @ a450 ) | ( ~( hskp12 ) )),
% 1.35/1.47    inference('cnf.neg', [status(esa)], [clause70])).
% 1.35/1.47  thf(zip_derived_cl69, plain, (( (c3_1 @ a450) | ~ (hskp12))),
% 1.35/1.47      inference('cnf', [status(esa)], [zf_stmt_107])).
% 1.35/1.47  thf('133', plain, (( (c3_1 @ a450)) | ~ ( (hskp12))),
% 1.35/1.47      inference('split', [status(esa)], [zip_derived_cl69])).
% 1.35/1.47  thf(clause106, conjecture, (~( ( ~( hskp12 ) ) | ( ~( c0_1 @ a450 ) ) ))).
% 1.35/1.47  thf(zf_stmt_108, negated_conjecture,
% 1.35/1.47    (( ~( hskp12 ) ) | ( ~( c0_1 @ a450 ) )),
% 1.35/1.47    inference('cnf.neg', [status(esa)], [clause106])).
% 1.35/1.47  thf(zip_derived_cl105, plain, ((~ (hskp12) | ~ (c0_1 @ a450))),
% 1.35/1.47      inference('cnf', [status(esa)], [zf_stmt_108])).
% 1.35/1.47  thf('134', plain, (~ ( (c0_1 @ a450)) | ~ ( (hskp12))),
% 1.35/1.47      inference('split', [status(esa)], [zip_derived_cl105])).
% 1.35/1.47  thf(zip_derived_cl538, plain,
% 1.35/1.47      ((![X0 : $i]: ( (c2_1 @ X0) | ~ (c0_1 @ X0) | ~ (c1_1 @ X0)))
% 1.35/1.47         <= ((![X0 : $i]: ( (c2_1 @ X0) | ~ (c0_1 @ X0) | ~ (c1_1 @ X0))))),
% 1.35/1.47      inference('split', [status(esa)], [zip_derived_cl147])).
% 1.35/1.47  thf(zip_derived_cl346, plain, (( (c1_1 @ a450)) <= (( (c1_1 @ a450)))),
% 1.35/1.47      inference('split', [status(esa)], [zip_derived_cl68])).
% 1.35/1.47  thf(zip_derived_cl1094, plain,
% 1.35/1.47      (((~ (c0_1 @ a450) |  (c2_1 @ a450)))
% 1.35/1.47         <= (( (c1_1 @ a450)) & 
% 1.35/1.47             (![X0 : $i]: ( (c2_1 @ X0) | ~ (c0_1 @ X0) | ~ (c1_1 @ X0))))),
% 1.35/1.47      inference('s_sup+', [status(thm)], [zip_derived_cl538, zip_derived_cl346])).
% 1.35/1.47  thf(zip_derived_cl3405, plain, (( (c2_1 @ a450)) <= (( (c2_1 @ a450)))),
% 1.35/1.47      inference('split', [status(esa)], [zip_derived_cl1094])).
% 1.35/1.47  thf(zip_derived_cl522, plain,
% 1.35/1.47      ((![X0 : $i]: (~ (c3_1 @ X0) | ~ (c2_1 @ X0) |  (c0_1 @ X0)))
% 1.35/1.47         <= ((![X0 : $i]: (~ (c3_1 @ X0) | ~ (c2_1 @ X0) |  (c0_1 @ X0))))),
% 1.35/1.47      inference('split', [status(esa)], [zip_derived_cl143])).
% 1.35/1.47  thf(zip_derived_cl3408, plain,
% 1.35/1.47      (((~ (c3_1 @ a450) |  (c0_1 @ a450)))
% 1.35/1.47         <= ((![X0 : $i]: (~ (c3_1 @ X0) | ~ (c2_1 @ X0) |  (c0_1 @ X0))) & 
% 1.35/1.47             ( (c2_1 @ a450)))),
% 1.35/1.47      inference('s_sup-', [status(thm)],
% 1.35/1.47                [zip_derived_cl3405, zip_derived_cl522])).
% 1.35/1.47  thf('135', plain,
% 1.35/1.47      (~ ( (c2_1 @ a450)) | ~ ( (c3_1 @ a450)) | 
% 1.35/1.47       ~ (![X0 : $i]: (~ (c3_1 @ X0) | ~ (c2_1 @ X0) |  (c0_1 @ X0))) | 
% 1.35/1.47       ( (c0_1 @ a450))),
% 1.35/1.47      inference('split', [status(esa)], [zip_derived_cl3408])).
% 1.35/1.47  thf(zip_derived_cl598, plain,
% 1.35/1.47      ((![X1 : $i]: (~ (c3_1 @ X1) | ~ (c0_1 @ X1) |  (c2_1 @ X1)))
% 1.35/1.47         <= ((![X1 : $i]: (~ (c3_1 @ X1) | ~ (c0_1 @ X1) |  (c2_1 @ X1))))),
% 1.35/1.47      inference('split', [status(esa)], [zip_derived_cl162])).
% 1.35/1.47  thf(zip_derived_cl574, plain,
% 1.35/1.47      ((![X0 : $i]: (~ (c3_1 @ X0) | ~ (c2_1 @ X0) | ~ (c1_1 @ X0)))
% 1.35/1.47         <= ((![X0 : $i]: (~ (c3_1 @ X0) | ~ (c2_1 @ X0) | ~ (c1_1 @ X0))))),
% 1.35/1.47      inference('split', [status(esa)], [zip_derived_cl156])).
% 1.35/1.47  thf(zip_derived_cl290, plain, (( (c1_1 @ a447)) <= (( (c1_1 @ a447)))),
% 1.35/1.47      inference('split', [status(esa)], [zip_derived_cl40])).
% 1.35/1.47  thf(zip_derived_cl856, plain,
% 1.35/1.47      (((~ (c2_1 @ a447) | ~ (c3_1 @ a447)))
% 1.35/1.47         <= (( (c1_1 @ a447)) & 
% 1.35/1.47             (![X0 : $i]: (~ (c3_1 @ X0) | ~ (c2_1 @ X0) | ~ (c1_1 @ X0))))),
% 1.35/1.47      inference('s_sup+', [status(thm)], [zip_derived_cl574, zip_derived_cl290])).
% 1.35/1.47  thf(zip_derived_cl867, plain, ((~ (c2_1 @ a447)) <= (~ ( (c2_1 @ a447)))),
% 1.35/1.47      inference('split', [status(esa)], [zip_derived_cl856])).
% 1.35/1.47  thf(zip_derived_cl1636, plain,
% 1.35/1.47      (((~ (c0_1 @ a447) | ~ (c3_1 @ a447)))
% 1.35/1.47         <= (~ ( (c2_1 @ a447)) & 
% 1.35/1.47             (![X1 : $i]: (~ (c3_1 @ X1) | ~ (c0_1 @ X1) |  (c2_1 @ X1))))),
% 1.35/1.47      inference('s_sup-', [status(thm)], [zip_derived_cl598, zip_derived_cl867])).
% 1.35/1.47  thf('136', plain,
% 1.35/1.47      (( (c2_1 @ a447)) | ~ ( (c0_1 @ a447)) | 
% 1.35/1.47       ~ (![X1 : $i]: (~ (c3_1 @ X1) | ~ (c0_1 @ X1) |  (c2_1 @ X1))) | 
% 1.35/1.47       ~ ( (c3_1 @ a447))),
% 1.35/1.47      inference('split', [status(esa)], [zip_derived_cl1636])).
% 1.35/1.47  thf('137', plain,
% 1.35/1.47      (( (c0_1 @ a447)) | ~ ( (c2_1 @ a447)) | 
% 1.35/1.47       ~ (![X0 : $i]: (~ (c3_1 @ X0) | ~ (c2_1 @ X0) |  (c0_1 @ X0))) | 
% 1.35/1.47       ~ ( (c3_1 @ a447))),
% 1.35/1.47      inference('split', [status(esa)], [zip_derived_cl1023])).
% 1.35/1.47  thf(zip_derived_cl566, plain,
% 1.35/1.47      ((![X0 : $i]: (~ (c3_1 @ X0) | ~ (c2_1 @ X0) | ~ (c0_1 @ X0)))
% 1.35/1.47         <= ((![X0 : $i]: (~ (c3_1 @ X0) | ~ (c2_1 @ X0) | ~ (c0_1 @ X0))))),
% 1.35/1.47      inference('split', [status(esa)], [zip_derived_cl154])).
% 1.35/1.47  thf(zip_derived_cl292, plain, (( (c2_1 @ a447)) <= (( (c2_1 @ a447)))),
% 1.35/1.47      inference('split', [status(esa)], [zip_derived_cl41])).
% 1.35/1.47  thf(zip_derived_cl812, plain,
% 1.35/1.47      (((~ (c0_1 @ a447) | ~ (c3_1 @ a447)))
% 1.35/1.47         <= (( (c2_1 @ a447)) & 
% 1.35/1.47             (![X0 : $i]: (~ (c3_1 @ X0) | ~ (c2_1 @ X0) | ~ (c0_1 @ X0))))),
% 1.35/1.47      inference('s_sup+', [status(thm)], [zip_derived_cl566, zip_derived_cl292])).
% 1.35/1.47  thf('138', plain,
% 1.35/1.47      (~ ( (c0_1 @ a447)) | ~ ( (c2_1 @ a447)) | 
% 1.35/1.47       ~ (![X0 : $i]: (~ (c3_1 @ X0) | ~ (c2_1 @ X0) | ~ (c0_1 @ X0))) | 
% 1.35/1.47       ~ ( (c3_1 @ a447))),
% 1.35/1.47      inference('split', [status(esa)], [zip_derived_cl812])).
% 1.35/1.47  thf(zip_derived_cl498, plain,
% 1.35/1.47      ((![X0 : $i]: (~ (c3_1 @ X0) |  (c2_1 @ X0) |  (c0_1 @ X0)))
% 1.35/1.47         <= ((![X0 : $i]: (~ (c3_1 @ X0) |  (c2_1 @ X0) |  (c0_1 @ X0))))),
% 1.35/1.47      inference('split', [status(esa)], [zip_derived_cl137])).
% 1.35/1.47  thf(zip_derived_cl867, plain, ((~ (c2_1 @ a447)) <= (~ ( (c2_1 @ a447)))),
% 1.35/1.47      inference('split', [status(esa)], [zip_derived_cl856])).
% 1.35/1.47  thf(zip_derived_cl1457, plain,
% 1.35/1.47      ((( (c0_1 @ a447) | ~ (c3_1 @ a447)))
% 1.35/1.47         <= (~ ( (c2_1 @ a447)) & 
% 1.35/1.47             (![X0 : $i]: (~ (c3_1 @ X0) |  (c2_1 @ X0) |  (c0_1 @ X0))))),
% 1.35/1.47      inference('s_sup-', [status(thm)], [zip_derived_cl498, zip_derived_cl867])).
% 1.35/1.47  thf('139', plain,
% 1.35/1.47      (( (c2_1 @ a447)) | ~ ( (c3_1 @ a447)) | 
% 1.35/1.47       ~ (![X0 : $i]: (~ (c3_1 @ X0) |  (c2_1 @ X0) |  (c0_1 @ X0))) | 
% 1.35/1.47       ( (c0_1 @ a447))),
% 1.35/1.47      inference('split', [status(esa)], [zip_derived_cl1457])).
% 1.35/1.47  thf('140', plain, (( (c1_1 @ a452)) | ~ ( (hskp14))),
% 1.35/1.47      inference('split', [status(esa)], [zip_derived_cl65])).
% 1.35/1.47  thf('141', plain, (~ ( (c2_1 @ a452)) | ~ ( (hskp14))),
% 1.35/1.47      inference('split', [status(esa)], [zip_derived_cl103])).
% 1.35/1.47  thf(zip_derived_cl538, plain,
% 1.35/1.47      ((![X0 : $i]: ( (c2_1 @ X0) | ~ (c0_1 @ X0) | ~ (c1_1 @ X0)))
% 1.35/1.47         <= ((![X0 : $i]: ( (c2_1 @ X0) | ~ (c0_1 @ X0) | ~ (c1_1 @ X0))))),
% 1.35/1.47      inference('split', [status(esa)], [zip_derived_cl147])).
% 1.35/1.47  thf(zip_derived_cl340, plain, (( (c1_1 @ a452)) <= (( (c1_1 @ a452)))),
% 1.35/1.47      inference('split', [status(esa)], [zip_derived_cl65])).
% 1.35/1.47  thf(zip_derived_cl1093, plain,
% 1.35/1.47      (((~ (c0_1 @ a452) |  (c2_1 @ a452)))
% 1.35/1.47         <= (( (c1_1 @ a452)) & 
% 1.35/1.47             (![X0 : $i]: ( (c2_1 @ X0) | ~ (c0_1 @ X0) | ~ (c1_1 @ X0))))),
% 1.35/1.47      inference('s_sup+', [status(thm)], [zip_derived_cl538, zip_derived_cl340])).
% 1.35/1.47  thf('142', plain,
% 1.35/1.47      (~ (![X0 : $i]: ( (c2_1 @ X0) | ~ (c0_1 @ X0) | ~ (c1_1 @ X0))) | 
% 1.35/1.47       ~ ( (c1_1 @ a452)) | ( (c2_1 @ a452)) | ~ ( (c0_1 @ a452))),
% 1.35/1.47      inference('split', [status(esa)], [zip_derived_cl1093])).
% 1.35/1.48  thf('143', plain, (( (c1_1 @ a447)) | ~ ( (hskp29))),
% 1.35/1.48      inference('split', [status(esa)], [zip_derived_cl40])).
% 1.35/1.48  thf('144', plain, (( (c2_1 @ a447)) | ~ ( (hskp29))),
% 1.35/1.48      inference('split', [status(esa)], [zip_derived_cl41])).
% 1.35/1.48  thf('145', plain, (( (c3_1 @ a447)) | ~ ( (hskp29))),
% 1.35/1.48      inference('split', [status(esa)], [zip_derived_cl42])).
% 1.35/1.48  thf('146', plain,
% 1.35/1.48      (~ ( (c1_1 @ a447)) | ~ ( (c2_1 @ a447)) | 
% 1.35/1.48       ~ (![X0 : $i]: (~ (c3_1 @ X0) | ~ (c2_1 @ X0) | ~ (c1_1 @ X0))) | 
% 1.35/1.48       ~ ( (c3_1 @ a447))),
% 1.35/1.48      inference('split', [status(esa)], [zip_derived_cl856])).
% 1.35/1.48  thf(clause172, conjecture,
% 1.35/1.48    (~( ( hskp14 ) | ( c3_1 @ V ) | ( c0_1 @ V ) | ( c0_1 @ U ) | 
% 1.35/1.48        ( ~( c2_1 @ V ) ) | ( ~( ndr1_0 ) ) | ( ~( c3_1 @ U ) ) | 
% 1.35/1.48        ( ~( c2_1 @ U ) ) ))).
% 1.35/1.48  thf(zf_stmt_109, negated_conjecture,
% 1.35/1.48    (( hskp14 ) | ( c3_1 @ V ) | ( c0_1 @ V ) | ( c0_1 @ U ) | 
% 1.35/1.48     ( ~( c2_1 @ V ) ) | ( ~( ndr1_0 ) ) | ( ~( c3_1 @ U ) ) | 
% 1.35/1.48     ( ~( c2_1 @ U ) )),
% 1.35/1.48    inference('cnf.neg', [status(esa)], [clause172])).
% 1.35/1.48  thf(zip_derived_cl171, plain,
% 1.35/1.48      (![X0 : $i, X1 : $i]:
% 1.35/1.48         ( (hskp14)
% 1.35/1.48          |  (c3_1 @ X0)
% 1.35/1.48          |  (c0_1 @ X0)
% 1.35/1.48          |  (c0_1 @ X1)
% 1.35/1.48          | ~ (c2_1 @ X0)
% 1.35/1.48          | ~ (ndr1_0)
% 1.35/1.48          | ~ (c3_1 @ X1)
% 1.35/1.48          | ~ (c2_1 @ X1))),
% 1.35/1.48      inference('cnf', [status(esa)], [zf_stmt_109])).
% 1.35/1.48  thf('147', plain,
% 1.35/1.48      (( (hskp14)) | 
% 1.35/1.48       (![X0 : $i]: ( (c3_1 @ X0) | ~ (c2_1 @ X0) |  (c0_1 @ X0))) | 
% 1.35/1.48       ~ ( (ndr1_0)) | 
% 1.35/1.48       (![X0 : $i]: (~ (c3_1 @ X0) | ~ (c2_1 @ X0) |  (c0_1 @ X0)))),
% 1.35/1.48      inference('split', [status(esa)], [zip_derived_cl171])).
% 1.35/1.48  thf(clause180, conjecture,
% 1.35/1.48    (~( ( hskp16 ) | ( c3_1 @ V ) | ( c0_1 @ V ) | ( ~( c2_1 @ V ) ) | 
% 1.35/1.48        ( ~( ndr1_0 ) ) | ( ~( c3_1 @ U ) ) | ( ~( c2_1 @ U ) ) | 
% 1.35/1.48        ( ~( c1_1 @ U ) ) ))).
% 1.35/1.48  thf(zf_stmt_110, negated_conjecture,
% 1.35/1.48    (( hskp16 ) | ( c3_1 @ V ) | ( c0_1 @ V ) | ( ~( c2_1 @ V ) ) | 
% 1.35/1.48     ( ~( ndr1_0 ) ) | ( ~( c3_1 @ U ) ) | ( ~( c2_1 @ U ) ) | 
% 1.35/1.48     ( ~( c1_1 @ U ) )),
% 1.35/1.48    inference('cnf.neg', [status(esa)], [clause180])).
% 1.35/1.48  thf(zip_derived_cl179, plain,
% 1.35/1.48      (![X0 : $i, X1 : $i]:
% 1.35/1.48         ( (hskp16)
% 1.35/1.48          |  (c3_1 @ X0)
% 1.35/1.48          |  (c0_1 @ X0)
% 1.35/1.48          | ~ (c2_1 @ X0)
% 1.35/1.48          | ~ (ndr1_0)
% 1.35/1.48          | ~ (c3_1 @ X1)
% 1.35/1.48          | ~ (c2_1 @ X1)
% 1.35/1.48          | ~ (c1_1 @ X1))),
% 1.35/1.48      inference('cnf', [status(esa)], [zf_stmt_110])).
% 1.35/1.48  thf('148', plain,
% 1.35/1.48      ((![X0 : $i]: (~ (c3_1 @ X0) | ~ (c2_1 @ X0) | ~ (c1_1 @ X0))) | 
% 1.35/1.48       ( (hskp16)) | ~ ( (ndr1_0)) | 
% 1.35/1.48       (![X0 : $i]: ( (c3_1 @ X0) | ~ (c2_1 @ X0) |  (c0_1 @ X0)))),
% 1.35/1.48      inference('split', [status(esa)], [zip_derived_cl179])).
% 1.35/1.48  thf(clause140, conjecture,
% 1.35/1.48    (~( ( hskp18 ) | ( hskp6 ) | ( c3_1 @ U ) | ( c0_1 @ U ) | 
% 1.35/1.48        ( ~( ndr1_0 ) ) | ( ~( c2_1 @ U ) ) ))).
% 1.35/1.48  thf(zf_stmt_111, negated_conjecture,
% 1.35/1.48    (( hskp18 ) | ( hskp6 ) | ( c3_1 @ U ) | ( c0_1 @ U ) | ( ~( ndr1_0 ) ) | 
% 1.35/1.48     ( ~( c2_1 @ U ) )),
% 1.35/1.48    inference('cnf.neg', [status(esa)], [clause140])).
% 1.35/1.48  thf(zip_derived_cl139, plain,
% 1.35/1.48      (![X0 : $i]:
% 1.35/1.48         ( (hskp18)
% 1.35/1.48          |  (hskp6)
% 1.35/1.48          |  (c3_1 @ X0)
% 1.35/1.48          |  (c0_1 @ X0)
% 1.35/1.48          | ~ (ndr1_0)
% 1.35/1.48          | ~ (c2_1 @ X0))),
% 1.35/1.48      inference('cnf', [status(esa)], [zf_stmt_111])).
% 1.35/1.48  thf(zip_derived_cl506, plain,
% 1.35/1.48      ((![X0 : $i]: ( (c3_1 @ X0) | ~ (c2_1 @ X0) |  (c0_1 @ X0)))
% 1.35/1.48         <= ((![X0 : $i]: ( (c3_1 @ X0) | ~ (c2_1 @ X0) |  (c0_1 @ X0))))),
% 1.35/1.48      inference('split', [status(esa)], [zip_derived_cl139])).
% 1.35/1.48  thf(clause73, conjecture, (~( ( c2_1 @ a444 ) | ( ~( hskp8 ) ) ))).
% 1.35/1.48  thf(zf_stmt_112, negated_conjecture, (( c2_1 @ a444 ) | ( ~( hskp8 ) )),
% 1.35/1.48    inference('cnf.neg', [status(esa)], [clause73])).
% 1.35/1.48  thf(zip_derived_cl72, plain, (( (c2_1 @ a444) | ~ (hskp8))),
% 1.35/1.48      inference('cnf', [status(esa)], [zf_stmt_112])).
% 1.35/1.48  thf(zip_derived_cl354, plain, (( (c2_1 @ a444)) <= (( (c2_1 @ a444)))),
% 1.35/1.48      inference('split', [status(esa)], [zip_derived_cl72])).
% 1.35/1.48  thf(zip_derived_cl1573, plain,
% 1.35/1.48      ((( (c0_1 @ a444) |  (c3_1 @ a444)))
% 1.35/1.48         <= (( (c2_1 @ a444)) & 
% 1.35/1.48             (![X0 : $i]: ( (c3_1 @ X0) | ~ (c2_1 @ X0) |  (c0_1 @ X0))))),
% 1.35/1.48      inference('s_sup+', [status(thm)], [zip_derived_cl506, zip_derived_cl354])).
% 1.35/1.48  thf('149', plain,
% 1.35/1.48      (~ ( (c2_1 @ a444)) | ( (c0_1 @ a444)) | 
% 1.35/1.48       ~ (![X0 : $i]: ( (c3_1 @ X0) | ~ (c2_1 @ X0) |  (c0_1 @ X0))) | 
% 1.35/1.48       ( (c3_1 @ a444))),
% 1.35/1.48      inference('split', [status(esa)], [zip_derived_cl1573])).
% 1.35/1.48  thf('150', plain, (( (c2_1 @ a444)) | ~ ( (hskp8))),
% 1.35/1.48      inference('split', [status(esa)], [zip_derived_cl72])).
% 1.35/1.48  thf(clause114, conjecture, (~( ( ~( hskp8 ) ) | ( ~( c0_1 @ a444 ) ) ))).
% 1.35/1.48  thf(zf_stmt_113, negated_conjecture, (( ~( hskp8 ) ) | ( ~( c0_1 @ a444 ) )),
% 1.35/1.48    inference('cnf.neg', [status(esa)], [clause114])).
% 1.35/1.48  thf(zip_derived_cl113, plain, ((~ (hskp8) | ~ (c0_1 @ a444))),
% 1.35/1.48      inference('cnf', [status(esa)], [zf_stmt_113])).
% 1.35/1.48  thf('151', plain, (~ ( (c0_1 @ a444)) | ~ ( (hskp8))),
% 1.35/1.48      inference('split', [status(esa)], [zip_derived_cl113])).
% 1.35/1.48  thf(clause115, conjecture, (~( ( ~( hskp8 ) ) | ( ~( c3_1 @ a444 ) ) ))).
% 1.35/1.48  thf(zf_stmt_114, negated_conjecture, (( ~( hskp8 ) ) | ( ~( c3_1 @ a444 ) )),
% 1.35/1.48    inference('cnf.neg', [status(esa)], [clause115])).
% 1.35/1.48  thf(zip_derived_cl114, plain, ((~ (hskp8) | ~ (c3_1 @ a444))),
% 1.35/1.48      inference('cnf', [status(esa)], [zf_stmt_114])).
% 1.35/1.48  thf('152', plain, (~ ( (c3_1 @ a444)) | ~ ( (hskp8))),
% 1.35/1.48      inference('split', [status(esa)], [zip_derived_cl114])).
% 1.35/1.48  thf(clause145, conjecture,
% 1.35/1.48    (~( ( hskp0 ) | ( hskp8 ) | ( c0_1 @ U ) | ( ~( ndr1_0 ) ) | 
% 1.35/1.48        ( ~( c3_1 @ U ) ) | ( ~( c2_1 @ U ) ) ))).
% 1.35/1.48  thf(zf_stmt_115, negated_conjecture,
% 1.35/1.48    (( hskp0 ) | ( hskp8 ) | ( c0_1 @ U ) | ( ~( ndr1_0 ) ) | 
% 1.35/1.48     ( ~( c3_1 @ U ) ) | ( ~( c2_1 @ U ) )),
% 1.35/1.48    inference('cnf.neg', [status(esa)], [clause145])).
% 1.35/1.48  thf(zip_derived_cl144, plain,
% 1.35/1.48      (![X0 : $i]:
% 1.35/1.48         ( (hskp0)
% 1.35/1.48          |  (hskp8)
% 1.35/1.48          |  (c0_1 @ X0)
% 1.35/1.48          | ~ (ndr1_0)
% 1.35/1.48          | ~ (c3_1 @ X0)
% 1.35/1.48          | ~ (c2_1 @ X0))),
% 1.35/1.48      inference('cnf', [status(esa)], [zf_stmt_115])).
% 1.35/1.48  thf('153', plain,
% 1.35/1.48      (( (hskp0)) | ( (hskp8)) | 
% 1.35/1.48       (![X0 : $i]: (~ (c3_1 @ X0) | ~ (c2_1 @ X0) |  (c0_1 @ X0))) | 
% 1.35/1.48       ~ ( (ndr1_0))),
% 1.35/1.48      inference('split', [status(esa)], [zip_derived_cl144])).
% 1.35/1.48  thf(clause21, conjecture, (~( ( ndr1_0 ) | ( ~( hskp10 ) ) ))).
% 1.35/1.48  thf(zf_stmt_116, negated_conjecture, (( ndr1_0 ) | ( ~( hskp10 ) )),
% 1.35/1.48    inference('cnf.neg', [status(esa)], [clause21])).
% 1.35/1.48  thf(zip_derived_cl20, plain, (( (ndr1_0) | ~ (hskp10))),
% 1.35/1.48      inference('cnf', [status(esa)], [zf_stmt_116])).
% 1.35/1.48  thf('154', plain, (( (ndr1_0)) | ~ ( (hskp10))),
% 1.35/1.48      inference('split', [status(esa)], [zip_derived_cl20])).
% 1.35/1.48  thf(clause23, conjecture, (~( ( ndr1_0 ) | ( ~( hskp8 ) ) ))).
% 1.35/1.48  thf(zf_stmt_117, negated_conjecture, (( ndr1_0 ) | ( ~( hskp8 ) )),
% 1.35/1.48    inference('cnf.neg', [status(esa)], [clause23])).
% 1.35/1.48  thf(zip_derived_cl22, plain, (( (ndr1_0) | ~ (hskp8))),
% 1.35/1.48      inference('cnf', [status(esa)], [zf_stmt_117])).
% 1.35/1.48  thf('155', plain, (( (ndr1_0)) | ~ ( (hskp8))),
% 1.35/1.48      inference('split', [status(esa)], [zip_derived_cl22])).
% 1.35/1.48  thf(clause30, conjecture, (~( ( ndr1_0 ) | ( ~( hskp1 ) ) ))).
% 1.35/1.48  thf(zf_stmt_118, negated_conjecture, (( ndr1_0 ) | ( ~( hskp1 ) )),
% 1.35/1.48    inference('cnf.neg', [status(esa)], [clause30])).
% 1.35/1.48  thf(zip_derived_cl29, plain, (( (ndr1_0) | ~ (hskp1))),
% 1.35/1.48      inference('cnf', [status(esa)], [zf_stmt_118])).
% 1.35/1.48  thf('156', plain, (( (ndr1_0)) | ~ ( (hskp1))),
% 1.35/1.48      inference('split', [status(esa)], [zip_derived_cl29])).
% 1.35/1.48  thf(clause37, conjecture, (~( ( hskp1 ) | ( hskp8 ) | ( hskp10 ) ))).
% 1.35/1.48  thf(zf_stmt_119, negated_conjecture, (( hskp1 ) | ( hskp8 ) | ( hskp10 )),
% 1.35/1.48    inference('cnf.neg', [status(esa)], [clause37])).
% 1.35/1.48  thf(zip_derived_cl36, plain, (( (hskp1) |  (hskp8) |  (hskp10))),
% 1.35/1.48      inference('cnf', [status(esa)], [zf_stmt_119])).
% 1.35/1.48  thf('157', plain, (( (hskp10)) | ( (hskp1)) | ( (hskp8))),
% 1.35/1.48      inference('split', [status(esa)], [zip_derived_cl36])).
% 1.35/1.48  thf('158', plain,
% 1.35/1.48      (( (hskp16)) | ( (hskp29)) | 
% 1.35/1.48       (![X0 : $i]: ( (c2_1 @ X0) | ~ (c0_1 @ X0) | ~ (c1_1 @ X0))) | 
% 1.35/1.48       ~ ( (ndr1_0))),
% 1.35/1.48      inference('split', [status(esa)], [zip_derived_cl147])).
% 1.35/1.48  thf(zip_derived_cl598, plain,
% 1.35/1.48      ((![X1 : $i]: (~ (c3_1 @ X1) | ~ (c0_1 @ X1) |  (c2_1 @ X1)))
% 1.35/1.48         <= ((![X1 : $i]: (~ (c3_1 @ X1) | ~ (c0_1 @ X1) |  (c2_1 @ X1))))),
% 1.35/1.48      inference('split', [status(esa)], [zip_derived_cl162])).
% 1.35/1.48  thf(zip_derived_cl410, plain, ((~ (c2_1 @ a457)) <= (~ ( (c2_1 @ a457)))),
% 1.35/1.48      inference('split', [status(esa)], [zip_derived_cl100])).
% 1.35/1.48  thf(zip_derived_cl1643, plain,
% 1.35/1.48      (((~ (c0_1 @ a457) | ~ (c3_1 @ a457)))
% 1.35/1.48         <= (~ ( (c2_1 @ a457)) & 
% 1.35/1.48             (![X1 : $i]: (~ (c3_1 @ X1) | ~ (c0_1 @ X1) |  (c2_1 @ X1))))),
% 1.35/1.48      inference('s_sup-', [status(thm)], [zip_derived_cl598, zip_derived_cl410])).
% 1.35/1.48  thf('159', plain,
% 1.35/1.48      (~ ( (c0_1 @ a457)) | 
% 1.35/1.48       ~ (![X1 : $i]: (~ (c3_1 @ X1) | ~ (c0_1 @ X1) |  (c2_1 @ X1))) | 
% 1.35/1.48       ( (c2_1 @ a457)) | ~ ( (c3_1 @ a457))),
% 1.35/1.48      inference('split', [status(esa)], [zip_derived_cl1643])).
% 1.35/1.48  thf('160', plain, (( (c3_1 @ a457)) | ~ ( (hskp16))),
% 1.35/1.48      inference('split', [status(esa)], [zip_derived_cl62])).
% 1.35/1.48  thf('161', plain, (~ ( (c2_1 @ a457)) | ~ ( (hskp16))),
% 1.35/1.48      inference('split', [status(esa)], [zip_derived_cl100])).
% 1.35/1.48  thf(zip_derived_cl498, plain,
% 1.35/1.48      ((![X0 : $i]: (~ (c3_1 @ X0) |  (c2_1 @ X0) |  (c0_1 @ X0)))
% 1.35/1.48         <= ((![X0 : $i]: (~ (c3_1 @ X0) |  (c2_1 @ X0) |  (c0_1 @ X0))))),
% 1.35/1.48      inference('split', [status(esa)], [zip_derived_cl137])).
% 1.35/1.48  thf(zip_derived_cl410, plain, ((~ (c2_1 @ a457)) <= (~ ( (c2_1 @ a457)))),
% 1.35/1.48      inference('split', [status(esa)], [zip_derived_cl100])).
% 1.35/1.48  thf(zip_derived_cl1464, plain,
% 1.35/1.48      ((( (c0_1 @ a457) | ~ (c3_1 @ a457)))
% 1.35/1.48         <= (~ ( (c2_1 @ a457)) & 
% 1.35/1.48             (![X0 : $i]: (~ (c3_1 @ X0) |  (c2_1 @ X0) |  (c0_1 @ X0))))),
% 1.35/1.48      inference('s_sup-', [status(thm)], [zip_derived_cl498, zip_derived_cl410])).
% 1.35/1.48  thf('162', plain,
% 1.35/1.48      (( (c0_1 @ a457)) | ( (c2_1 @ a457)) | 
% 1.35/1.48       ~ (![X0 : $i]: (~ (c3_1 @ X0) |  (c2_1 @ X0) |  (c0_1 @ X0))) | 
% 1.35/1.48       ~ ( (c3_1 @ a457))),
% 1.35/1.48      inference('split', [status(esa)], [zip_derived_cl1464])).
% 1.35/1.48  thf(zip_derived_cl546, plain,
% 1.35/1.48      ((![X0 : $i]: ( (c3_1 @ X0) | ~ (c2_1 @ X0) | ~ (c0_1 @ X0)))
% 1.35/1.48         <= ((![X0 : $i]: ( (c3_1 @ X0) | ~ (c2_1 @ X0) | ~ (c0_1 @ X0))))),
% 1.35/1.48      inference('split', [status(esa)], [zip_derived_cl149])).
% 1.35/1.48  thf(zip_derived_cl360, plain, (( (c2_1 @ a442)) <= (( (c2_1 @ a442)))),
% 1.35/1.48      inference('split', [status(esa)], [zip_derived_cl75])).
% 1.35/1.48  thf(zip_derived_cl1142, plain,
% 1.35/1.48      (((~ (c0_1 @ a442) |  (c3_1 @ a442)))
% 1.35/1.48         <= (( (c2_1 @ a442)) & 
% 1.35/1.48             (![X0 : $i]: ( (c3_1 @ X0) | ~ (c2_1 @ X0) | ~ (c0_1 @ X0))))),
% 1.35/1.48      inference('s_sup+', [status(thm)], [zip_derived_cl546, zip_derived_cl360])).
% 1.35/1.48  thf('163', plain,
% 1.35/1.48      (~ ( (c0_1 @ a442)) | ~ ( (c2_1 @ a442)) | 
% 1.35/1.48       ~ (![X0 : $i]: ( (c3_1 @ X0) | ~ (c2_1 @ X0) | ~ (c0_1 @ X0))) | 
% 1.35/1.48       ( (c3_1 @ a442))),
% 1.35/1.48      inference('split', [status(esa)], [zip_derived_cl1142])).
% 1.35/1.48  thf('164', plain, (( (c0_1 @ a437)) | ~ ( (hskp28))),
% 1.35/1.48      inference('split', [status(esa)], [zip_derived_cl43])).
% 1.35/1.48  thf(clause45, conjecture, (~( ( c2_1 @ a437 ) | ( ~( hskp28 ) ) ))).
% 1.35/1.48  thf(zf_stmt_120, negated_conjecture, (( c2_1 @ a437 ) | ( ~( hskp28 ) )),
% 1.35/1.48    inference('cnf.neg', [status(esa)], [clause45])).
% 1.35/1.48  thf(zip_derived_cl44, plain, (( (c2_1 @ a437) | ~ (hskp28))),
% 1.35/1.48      inference('cnf', [status(esa)], [zf_stmt_120])).
% 1.35/1.48  thf('165', plain, (( (c2_1 @ a437)) | ~ ( (hskp28))),
% 1.35/1.48      inference('split', [status(esa)], [zip_derived_cl44])).
% 1.35/1.48  thf('166', plain, (( (c3_1 @ a437)) | ~ ( (hskp28))),
% 1.35/1.48      inference('split', [status(esa)], [zip_derived_cl45])).
% 1.35/1.48  thf(zip_derived_cl298, plain, (( (c2_1 @ a437)) <= (( (c2_1 @ a437)))),
% 1.35/1.48      inference('split', [status(esa)], [zip_derived_cl44])).
% 1.35/1.48  thf(zip_derived_cl566, plain,
% 1.35/1.48      ((![X0 : $i]: (~ (c3_1 @ X0) | ~ (c2_1 @ X0) | ~ (c0_1 @ X0)))
% 1.35/1.48         <= ((![X0 : $i]: (~ (c3_1 @ X0) | ~ (c2_1 @ X0) | ~ (c0_1 @ X0))))),
% 1.35/1.48      inference('split', [status(esa)], [zip_derived_cl154])).
% 1.35/1.48  thf(zip_derived_cl823, plain,
% 1.35/1.48      (((~ (c3_1 @ a437) | ~ (c0_1 @ a437)))
% 1.35/1.48         <= (( (c2_1 @ a437)) & 
% 1.35/1.48             (![X0 : $i]: (~ (c3_1 @ X0) | ~ (c2_1 @ X0) | ~ (c0_1 @ X0))))),
% 1.35/1.48      inference('s_sup-', [status(thm)], [zip_derived_cl298, zip_derived_cl566])).
% 1.35/1.48  thf('167', plain,
% 1.35/1.48      (~ ( (c0_1 @ a437)) | ~ ( (c2_1 @ a437)) | 
% 1.35/1.48       ~ (![X0 : $i]: (~ (c3_1 @ X0) | ~ (c2_1 @ X0) | ~ (c0_1 @ X0))) | 
% 1.35/1.48       ~ ( (c3_1 @ a437))),
% 1.35/1.48      inference('split', [status(esa)], [zip_derived_cl823])).
% 1.35/1.48  thf('168', plain, (( (c0_1 @ a472)) | ~ ( (hskp20))),
% 1.35/1.48      inference('split', [status(esa)], [zip_derived_cl56])).
% 1.35/1.48  thf('169', plain, (( (c3_1 @ a472)) | ~ ( (hskp20))),
% 1.35/1.48      inference('split', [status(esa)], [zip_derived_cl57])).
% 1.35/1.48  thf(clause94, conjecture, (~( ( ~( hskp20 ) ) | ( ~( c2_1 @ a472 ) ) ))).
% 1.35/1.48  thf(zf_stmt_121, negated_conjecture,
% 1.35/1.48    (( ~( hskp20 ) ) | ( ~( c2_1 @ a472 ) )),
% 1.35/1.48    inference('cnf.neg', [status(esa)], [clause94])).
% 1.35/1.48  thf(zip_derived_cl93, plain, ((~ (hskp20) | ~ (c2_1 @ a472))),
% 1.35/1.48      inference('cnf', [status(esa)], [zf_stmt_121])).
% 1.35/1.48  thf('170', plain, (~ ( (c2_1 @ a472)) | ~ ( (hskp20))),
% 1.35/1.48      inference('split', [status(esa)], [zip_derived_cl93])).
% 1.35/1.48  thf(zip_derived_cl598, plain,
% 1.35/1.48      ((![X1 : $i]: (~ (c3_1 @ X1) | ~ (c0_1 @ X1) |  (c2_1 @ X1)))
% 1.35/1.48         <= ((![X1 : $i]: (~ (c3_1 @ X1) | ~ (c0_1 @ X1) |  (c2_1 @ X1))))),
% 1.35/1.48      inference('split', [status(esa)], [zip_derived_cl162])).
% 1.35/1.48  thf(zip_derived_cl396, plain, ((~ (c2_1 @ a472)) <= (~ ( (c2_1 @ a472)))),
% 1.35/1.48      inference('split', [status(esa)], [zip_derived_cl93])).
% 1.35/1.48  thf(zip_derived_cl1641, plain,
% 1.35/1.48      (((~ (c0_1 @ a472) | ~ (c3_1 @ a472)))
% 1.35/1.48         <= (~ ( (c2_1 @ a472)) & 
% 1.35/1.48             (![X1 : $i]: (~ (c3_1 @ X1) | ~ (c0_1 @ X1) |  (c2_1 @ X1))))),
% 1.35/1.48      inference('s_sup-', [status(thm)], [zip_derived_cl598, zip_derived_cl396])).
% 1.35/1.48  thf('171', plain,
% 1.35/1.48      (~ (![X1 : $i]: (~ (c3_1 @ X1) | ~ (c0_1 @ X1) |  (c2_1 @ X1))) | 
% 1.35/1.48       ~ ( (c0_1 @ a472)) | ( (c2_1 @ a472)) | ~ ( (c3_1 @ a472))),
% 1.35/1.48      inference('split', [status(esa)], [zip_derived_cl1641])).
% 1.35/1.48  thf(zip_derived_cl693, plain,
% 1.35/1.48      ((![X1 : $i]: ( (c3_1 @ X1) | ~ (c0_1 @ X1) | ~ (c1_1 @ X1)))
% 1.35/1.48         <= ((![X1 : $i]: ( (c3_1 @ X1) | ~ (c0_1 @ X1) | ~ (c1_1 @ X1))))),
% 1.35/1.48      inference('split', [status(esa)], [zip_derived_cl186])).
% 1.35/1.48  thf(zip_derived_cl302, plain, (( (c1_1 @ a492)) <= (( (c1_1 @ a492)))),
% 1.35/1.48      inference('split', [status(esa)], [zip_derived_cl46])).
% 1.35/1.48  thf(zip_derived_cl1402, plain,
% 1.35/1.48      (((~ (c0_1 @ a492) |  (c3_1 @ a492)))
% 1.35/1.48         <= (( (c1_1 @ a492)) & 
% 1.35/1.48             (![X1 : $i]: ( (c3_1 @ X1) | ~ (c0_1 @ X1) | ~ (c1_1 @ X1))))),
% 1.35/1.48      inference('s_sup+', [status(thm)], [zip_derived_cl693, zip_derived_cl302])).
% 1.35/1.48  thf('172', plain,
% 1.35/1.48      (~ ( (c0_1 @ a492)) | ~ ( (c1_1 @ a492)) | 
% 1.35/1.48       ~ (![X1 : $i]: ( (c3_1 @ X1) | ~ (c0_1 @ X1) | ~ (c1_1 @ X1))) | 
% 1.35/1.48       ( (c3_1 @ a492))),
% 1.35/1.48      inference('split', [status(esa)], [zip_derived_cl1402])).
% 1.35/1.48  thf('173', plain, (( (c1_1 @ a492)) | ~ ( (hskp26))),
% 1.35/1.48      inference('split', [status(esa)], [zip_derived_cl46])).
% 1.35/1.48  thf('174', plain, (( (c2_1 @ a492)) | ~ ( (hskp26))),
% 1.35/1.48      inference('split', [status(esa)], [zip_derived_cl47])).
% 1.35/1.48  thf(clause86, conjecture, (~( ( ~( hskp26 ) ) | ( ~( c3_1 @ a492 ) ) ))).
% 1.35/1.48  thf(zf_stmt_122, negated_conjecture,
% 1.35/1.48    (( ~( hskp26 ) ) | ( ~( c3_1 @ a492 ) )),
% 1.35/1.48    inference('cnf.neg', [status(esa)], [clause86])).
% 1.35/1.48  thf(zip_derived_cl85, plain, ((~ (hskp26) | ~ (c3_1 @ a492))),
% 1.35/1.48      inference('cnf', [status(esa)], [zf_stmt_122])).
% 1.35/1.48  thf('175', plain, (~ ( (c3_1 @ a492)) | ~ ( (hskp26))),
% 1.35/1.48      inference('split', [status(esa)], [zip_derived_cl85])).
% 1.35/1.48  thf(zip_derived_cl670, plain,
% 1.35/1.48      ((![X0 : $i]: (~ (c2_1 @ X0) |  (c0_1 @ X0) | ~ (c1_1 @ X0)))
% 1.35/1.48         <= ((![X0 : $i]: (~ (c2_1 @ X0) |  (c0_1 @ X0) | ~ (c1_1 @ X0))))),
% 1.35/1.48      inference('split', [status(esa)], [zip_derived_cl180])).
% 1.35/1.48  thf(zip_derived_cl302, plain, (( (c1_1 @ a492)) <= (( (c1_1 @ a492)))),
% 1.35/1.48      inference('split', [status(esa)], [zip_derived_cl46])).
% 1.35/1.48  thf(zip_derived_cl1284, plain,
% 1.35/1.48      ((( (c0_1 @ a492) | ~ (c2_1 @ a492)))
% 1.35/1.48         <= (( (c1_1 @ a492)) & 
% 1.35/1.48             (![X0 : $i]: (~ (c2_1 @ X0) |  (c0_1 @ X0) | ~ (c1_1 @ X0))))),
% 1.35/1.48      inference('s_sup+', [status(thm)], [zip_derived_cl670, zip_derived_cl302])).
% 1.35/1.48  thf('176', plain,
% 1.35/1.48      (( (c0_1 @ a492)) | ~ ( (c1_1 @ a492)) | 
% 1.35/1.48       ~ (![X0 : $i]: (~ (c2_1 @ X0) |  (c0_1 @ X0) | ~ (c1_1 @ X0))) | 
% 1.35/1.48       ~ ( (c2_1 @ a492))),
% 1.35/1.48      inference('split', [status(esa)], [zip_derived_cl1284])).
% 1.35/1.48  thf('177', plain,
% 1.35/1.48      ((![X0 : $i]: (~ (c3_1 @ X0) |  (c0_1 @ X0) |  (c1_1 @ X0))) | 
% 1.35/1.48       (![X1 : $i]: (~ (c3_1 @ X1) | ~ (c0_1 @ X1) |  (c2_1 @ X1))) | 
% 1.35/1.48       ~ ( (ndr1_0))),
% 1.35/1.48      inference('split', [status(esa)], [zip_derived_cl162])).
% 1.35/1.48  thf(zip_derived_cl694, plain,
% 1.35/1.48      ((![X0 : $i]: (~ (c3_1 @ X0) | ~ (c2_1 @ X0) |  (c1_1 @ X0)))
% 1.35/1.48         <= ((![X0 : $i]: (~ (c3_1 @ X0) | ~ (c2_1 @ X0) |  (c1_1 @ X0))))),
% 1.35/1.48      inference('split', [status(esa)], [zip_derived_cl186])).
% 1.35/1.48  thf(zip_derived_cl418, plain, ((~ (c1_1 @ a451)) <= (~ ( (c1_1 @ a451)))),
% 1.35/1.48      inference('split', [status(esa)], [zip_derived_cl104])).
% 1.35/1.48  thf(zip_derived_cl1757, plain,
% 1.35/1.48      (((~ (c2_1 @ a451) | ~ (c3_1 @ a451)))
% 1.35/1.48         <= (~ ( (c1_1 @ a451)) & 
% 1.35/1.48             (![X0 : $i]: (~ (c3_1 @ X0) | ~ (c2_1 @ X0) |  (c1_1 @ X0))))),
% 1.35/1.48      inference('s_sup-', [status(thm)], [zip_derived_cl694, zip_derived_cl418])).
% 1.35/1.48  thf('178', plain,
% 1.35/1.48      (~ (![X0 : $i]: (~ (c3_1 @ X0) | ~ (c2_1 @ X0) |  (c1_1 @ X0))) | 
% 1.35/1.48       ~ ( (c2_1 @ a451)) | ( (c1_1 @ a451)) | ~ ( (c3_1 @ a451))),
% 1.35/1.48      inference('split', [status(esa)], [zip_derived_cl1757])).
% 1.35/1.48  thf('179', plain, (( (c2_1 @ a451)) | ~ ( (hskp13))),
% 1.35/1.48      inference('split', [status(esa)], [zip_derived_cl66])).
% 1.35/1.48  thf(clause68, conjecture, (~( ( c3_1 @ a451 ) | ( ~( hskp13 ) ) ))).
% 1.35/1.48  thf(zf_stmt_123, negated_conjecture, (( c3_1 @ a451 ) | ( ~( hskp13 ) )),
% 1.35/1.48    inference('cnf.neg', [status(esa)], [clause68])).
% 1.35/1.48  thf(zip_derived_cl67, plain, (( (c3_1 @ a451) | ~ (hskp13))),
% 1.35/1.48      inference('cnf', [status(esa)], [zf_stmt_123])).
% 1.35/1.48  thf('180', plain, (( (c3_1 @ a451)) | ~ ( (hskp13))),
% 1.35/1.48      inference('split', [status(esa)], [zip_derived_cl67])).
% 1.35/1.48  thf('181', plain, (~ ( (c1_1 @ a451)) | ~ ( (hskp13))),
% 1.35/1.48      inference('split', [status(esa)], [zip_derived_cl104])).
% 1.35/1.48  thf(clause169, conjecture,
% 1.35/1.48    (~( ( hskp1 ) | ( c2_1 @ V ) | ( c1_1 @ V ) | ( c3_1 @ U ) | 
% 1.35/1.48        ( c2_1 @ U ) | ( ~( c3_1 @ V ) ) | ( ~( ndr1_0 ) ) | ( ~( c0_1 @ U ) ) ))).
% 1.35/1.48  thf(zf_stmt_124, negated_conjecture,
% 1.35/1.48    (( hskp1 ) | ( c2_1 @ V ) | ( c1_1 @ V ) | ( c3_1 @ U ) | ( c2_1 @ U ) | 
% 1.35/1.48     ( ~( c3_1 @ V ) ) | ( ~( ndr1_0 ) ) | ( ~( c0_1 @ U ) )),
% 1.35/1.48    inference('cnf.neg', [status(esa)], [clause169])).
% 1.35/1.48  thf(zip_derived_cl168, plain,
% 1.35/1.48      (![X0 : $i, X1 : $i]:
% 1.35/1.48         ( (hskp1)
% 1.35/1.48          |  (c2_1 @ X0)
% 1.35/1.48          |  (c1_1 @ X0)
% 1.35/1.48          |  (c3_1 @ X1)
% 1.35/1.48          |  (c2_1 @ X1)
% 1.35/1.48          | ~ (c3_1 @ X0)
% 1.35/1.48          | ~ (ndr1_0)
% 1.35/1.48          | ~ (c0_1 @ X1))),
% 1.35/1.48      inference('cnf', [status(esa)], [zf_stmt_124])).
% 1.35/1.48  thf(zip_derived_cl621, plain,
% 1.35/1.48      ((![X1 : $i]: ( (c3_1 @ X1) | ~ (c0_1 @ X1) |  (c2_1 @ X1)))
% 1.35/1.48         <= ((![X1 : $i]: ( (c3_1 @ X1) | ~ (c0_1 @ X1) |  (c2_1 @ X1))))),
% 1.35/1.48      inference('split', [status(esa)], [zip_derived_cl168])).
% 1.35/1.48  thf(zip_derived_cl386, plain, ((~ (c2_1 @ a484)) <= (~ ( (c2_1 @ a484)))),
% 1.35/1.48      inference('split', [status(esa)], [zip_derived_cl88])).
% 1.35/1.48  thf(zip_derived_cl2249, plain,
% 1.35/1.48      (((~ (c0_1 @ a484) |  (c3_1 @ a484)))
% 1.35/1.48         <= (~ ( (c2_1 @ a484)) & 
% 1.35/1.48             (![X1 : $i]: ( (c3_1 @ X1) | ~ (c0_1 @ X1) |  (c2_1 @ X1))))),
% 1.35/1.48      inference('s_sup-', [status(thm)], [zip_derived_cl621, zip_derived_cl386])).
% 1.35/1.48  thf('182', plain,
% 1.35/1.48      (~ ( (c0_1 @ a484)) | 
% 1.35/1.48       ~ (![X1 : $i]: ( (c3_1 @ X1) | ~ (c0_1 @ X1) |  (c2_1 @ X1))) | 
% 1.35/1.48       ( (c2_1 @ a484)) | ( (c3_1 @ a484))),
% 1.35/1.48      inference('split', [status(esa)], [zip_derived_cl2249])).
% 1.35/1.48  thf(clause33, conjecture, (~( ( hskp13 ) | ( hskp19 ) | ( hskp14 ) ))).
% 1.35/1.48  thf(zf_stmt_125, negated_conjecture, (( hskp13 ) | ( hskp19 ) | ( hskp14 )),
% 1.35/1.48    inference('cnf.neg', [status(esa)], [clause33])).
% 1.35/1.48  thf(zip_derived_cl32, plain, (( (hskp13) |  (hskp19) |  (hskp14))),
% 1.35/1.48      inference('cnf', [status(esa)], [zf_stmt_125])).
% 1.35/1.48  thf('183', plain, (( (hskp14)) | ( (hskp13)) | ( (hskp19))),
% 1.35/1.48      inference('split', [status(esa)], [zip_derived_cl32])).
% 1.35/1.48  thf(clause65, conjecture, (~( ( c0_1 @ a452 ) | ( ~( hskp14 ) ) ))).
% 1.35/1.48  thf(zf_stmt_126, negated_conjecture, (( c0_1 @ a452 ) | ( ~( hskp14 ) )),
% 1.35/1.48    inference('cnf.neg', [status(esa)], [clause65])).
% 1.35/1.48  thf(zip_derived_cl64, plain, (( (c0_1 @ a452) | ~ (hskp14))),
% 1.35/1.48      inference('cnf', [status(esa)], [zf_stmt_126])).
% 1.35/1.48  thf('184', plain, (( (c0_1 @ a452)) | ~ ( (hskp14))),
% 1.35/1.48      inference('split', [status(esa)], [zip_derived_cl64])).
% 1.35/1.48  thf(zip_derived_cl621, plain,
% 1.35/1.48      ((![X1 : $i]: ( (c3_1 @ X1) | ~ (c0_1 @ X1) |  (c2_1 @ X1)))
% 1.35/1.48         <= ((![X1 : $i]: ( (c3_1 @ X1) | ~ (c0_1 @ X1) |  (c2_1 @ X1))))),
% 1.35/1.48      inference('split', [status(esa)], [zip_derived_cl168])).
% 1.35/1.48  thf(zip_derived_cl416, plain, ((~ (c2_1 @ a452)) <= (~ ( (c2_1 @ a452)))),
% 1.35/1.48      inference('split', [status(esa)], [zip_derived_cl103])).
% 1.35/1.48  thf(zip_derived_cl2257, plain,
% 1.35/1.48      (((~ (c0_1 @ a452) |  (c3_1 @ a452)))
% 1.35/1.48         <= (~ ( (c2_1 @ a452)) & 
% 1.35/1.48             (![X1 : $i]: ( (c3_1 @ X1) | ~ (c0_1 @ X1) |  (c2_1 @ X1))))),
% 1.35/1.48      inference('s_sup-', [status(thm)], [zip_derived_cl621, zip_derived_cl416])).
% 1.35/1.48  thf('185', plain,
% 1.35/1.48      (~ (![X1 : $i]: ( (c3_1 @ X1) | ~ (c0_1 @ X1) |  (c2_1 @ X1))) | 
% 1.35/1.48       ~ ( (c0_1 @ a452)) | ( (c2_1 @ a452)) | ( (c3_1 @ a452))),
% 1.35/1.48      inference('split', [status(esa)], [zip_derived_cl2257])).
% 1.35/1.48  thf(clause193, conjecture,
% 1.35/1.48    (~( ( c2_1 @ W ) | ( c0_1 @ W ) | ( c1_1 @ V ) | ( c3_1 @ U ) | 
% 1.35/1.48        ( c2_1 @ U ) | ( ~( c3_1 @ W ) ) | ( ~( c3_1 @ V ) ) | 
% 1.35/1.48        ( ~( c2_1 @ V ) ) | ( ~( ndr1_0 ) ) | ( ~( c0_1 @ U ) ) ))).
% 1.35/1.48  thf(zf_stmt_127, negated_conjecture,
% 1.35/1.48    (( c2_1 @ W ) | ( c0_1 @ W ) | ( c1_1 @ V ) | ( c3_1 @ U ) | 
% 1.35/1.48     ( c2_1 @ U ) | ( ~( c3_1 @ W ) ) | ( ~( c3_1 @ V ) ) | 
% 1.35/1.48     ( ~( c2_1 @ V ) ) | ( ~( ndr1_0 ) ) | ( ~( c0_1 @ U ) )),
% 1.35/1.48    inference('cnf.neg', [status(esa)], [clause193])).
% 1.35/1.48  thf(zip_derived_cl192, plain,
% 1.35/1.48      (![X0 : $i, X1 : $i, X2 : $i]:
% 1.35/1.48         ( (c2_1 @ X0)
% 1.35/1.48          |  (c0_1 @ X0)
% 1.35/1.48          |  (c1_1 @ X1)
% 1.35/1.48          |  (c3_1 @ X2)
% 1.35/1.48          |  (c2_1 @ X2)
% 1.35/1.48          | ~ (c3_1 @ X0)
% 1.35/1.48          | ~ (c3_1 @ X1)
% 1.35/1.48          | ~ (c2_1 @ X1)
% 1.35/1.48          | ~ (ndr1_0)
% 1.35/1.48          | ~ (c0_1 @ X2))),
% 1.35/1.48      inference('cnf', [status(esa)], [zf_stmt_127])).
% 1.35/1.48  thf('186', plain,
% 1.35/1.48      ((![X0 : $i]: (~ (c3_1 @ X0) |  (c2_1 @ X0) |  (c0_1 @ X0))) | 
% 1.35/1.48       (![X1 : $i]: ( (c3_1 @ X1) | ~ (c0_1 @ X1) |  (c2_1 @ X1))) | 
% 1.35/1.48       ~ ( (ndr1_0)) | 
% 1.35/1.48       (![X0 : $i]: (~ (c3_1 @ X0) | ~ (c2_1 @ X0) |  (c1_1 @ X0)))),
% 1.35/1.48      inference('split', [status(esa)], [zip_derived_cl192])).
% 1.35/1.48  thf(clause82, conjecture, (~( ( c3_1 @ a432 ) | ( ~( hskp0 ) ) ))).
% 1.35/1.48  thf(zf_stmt_128, negated_conjecture, (( c3_1 @ a432 ) | ( ~( hskp0 ) )),
% 1.35/1.48    inference('cnf.neg', [status(esa)], [clause82])).
% 1.35/1.48  thf(zip_derived_cl81, plain, (( (c3_1 @ a432) | ~ (hskp0))),
% 1.35/1.48      inference('cnf', [status(esa)], [zf_stmt_128])).
% 1.35/1.48  thf('187', plain, (( (c3_1 @ a432)) | ~ ( (hskp0))),
% 1.35/1.48      inference('split', [status(esa)], [zip_derived_cl81])).
% 1.35/1.48  thf(clause129, conjecture, (~( ( ~( hskp0 ) ) | ( ~( c0_1 @ a432 ) ) ))).
% 1.35/1.48  thf(zf_stmt_129, negated_conjecture, (( ~( hskp0 ) ) | ( ~( c0_1 @ a432 ) )),
% 1.35/1.48    inference('cnf.neg', [status(esa)], [clause129])).
% 1.35/1.48  thf(zip_derived_cl128, plain, ((~ (hskp0) | ~ (c0_1 @ a432))),
% 1.35/1.48      inference('cnf', [status(esa)], [zf_stmt_129])).
% 1.35/1.48  thf('188', plain, (~ ( (c0_1 @ a432)) | ~ ( (hskp0))),
% 1.35/1.48      inference('split', [status(esa)], [zip_derived_cl128])).
% 1.35/1.48  thf(clause130, conjecture, (~( ( ~( hskp0 ) ) | ( ~( c2_1 @ a432 ) ) ))).
% 1.35/1.48  thf(zf_stmt_130, negated_conjecture, (( ~( hskp0 ) ) | ( ~( c2_1 @ a432 ) )),
% 1.35/1.48    inference('cnf.neg', [status(esa)], [clause130])).
% 1.35/1.48  thf(zip_derived_cl129, plain, ((~ (hskp0) | ~ (c2_1 @ a432))),
% 1.35/1.48      inference('cnf', [status(esa)], [zf_stmt_130])).
% 1.35/1.48  thf('189', plain, (~ ( (c2_1 @ a432)) | ~ ( (hskp0))),
% 1.35/1.48      inference('split', [status(esa)], [zip_derived_cl129])).
% 1.35/1.48  thf(zip_derived_cl498, plain,
% 1.35/1.48      ((![X0 : $i]: (~ (c3_1 @ X0) |  (c2_1 @ X0) |  (c0_1 @ X0)))
% 1.35/1.48         <= ((![X0 : $i]: (~ (c3_1 @ X0) |  (c2_1 @ X0) |  (c0_1 @ X0))))),
% 1.35/1.48      inference('split', [status(esa)], [zip_derived_cl137])).
% 1.35/1.48  thf(zip_derived_cl468, plain, ((~ (c2_1 @ a432)) <= (~ ( (c2_1 @ a432)))),
% 1.35/1.48      inference('split', [status(esa)], [zip_derived_cl129])).
% 1.35/1.48  thf(zip_derived_cl1471, plain,
% 1.35/1.48      ((( (c0_1 @ a432) | ~ (c3_1 @ a432)))
% 1.35/1.48         <= (~ ( (c2_1 @ a432)) & 
% 1.35/1.48             (![X0 : $i]: (~ (c3_1 @ X0) |  (c2_1 @ X0) |  (c0_1 @ X0))))),
% 1.35/1.48      inference('s_sup-', [status(thm)], [zip_derived_cl498, zip_derived_cl468])).
% 1.35/1.48  thf('190', plain,
% 1.35/1.48      (~ (![X0 : $i]: (~ (c3_1 @ X0) |  (c2_1 @ X0) |  (c0_1 @ X0))) | 
% 1.35/1.48       ( (c0_1 @ a432)) | ( (c2_1 @ a432)) | ~ ( (c3_1 @ a432))),
% 1.35/1.48      inference('split', [status(esa)], [zip_derived_cl1471])).
% 1.35/1.48  thf(zip_derived_cl7272, plain, ($false),
% 1.35/1.48      inference('sat_resolution*', [status(thm)],
% 1.35/1.48                ['0', '1', '2', '3', '4', '5', '6', '7', '8', '9', '10', '11', 
% 1.35/1.48                 '12', '13', '14', '15', '16', '17', '18', '19', '20', '21', 
% 1.35/1.48                 '22', '23', '24', '25', '26', '27', '28', '29', '30', '31', 
% 1.35/1.48                 '32', '33', '34', '35', '36', '37', '38', '39', '40', '41', 
% 1.35/1.48                 '42', '43', '44', '45', '46', '47', '48', '49', '50', '51', 
% 1.35/1.48                 '52', '53', '54', '55', '56', '57', '58', '59', '60', '61', 
% 1.35/1.48                 '62', '63', '64', '65', '66', '67', '68', '69', '70', '71', 
% 1.35/1.48                 '72', '73', '74', '75', '76', '77', '78', '79', '80', '81', 
% 1.35/1.48                 '82', '83', '84', '85', '86', '87', '88', '89', '90', '91', 
% 1.35/1.48                 '92', '93', '94', '95', '96', '97', '98', '99', '100', '101', 
% 1.35/1.48                 '102', '103', '104', '105', '106', '107', '108', '109', 
% 1.35/1.48                 '110', '111', '112', '113', '114', '115', '116', '117', 
% 1.35/1.48                 '118', '119', '120', '121', '122', '123', '124', '125', 
% 1.35/1.48                 '126', '127', '128', '129', '130', '131', '132', '133', 
% 1.35/1.48                 '134', '135', '136', '137', '138', '139', '140', '141', 
% 1.35/1.48                 '142', '143', '144', '145', '146', '147', '148', '149', 
% 1.35/1.48                 '150', '151', '152', '153', '154', '155', '156', '157', 
% 1.35/1.48                 '158', '159', '160', '161', '162', '163', '164', '165', 
% 1.35/1.48                 '166', '167', '168', '169', '170', '171', '172', '173', 
% 1.35/1.48                 '174', '175', '176', '177', '178', '179', '180', '181', 
% 1.35/1.48                 '182', '183', '184', '185', '186', '187', '188', '189', '190'])).
% 1.35/1.48  
% 1.35/1.48  % SZS output end Refutation
% 1.35/1.48  
% 1.35/1.48  
% 1.35/1.48  % Terminating...
% 1.35/1.55  % Runner terminated.
% 1.35/1.57  % Zipperpin 1.5 exiting
%------------------------------------------------------------------------------