TSTP Solution File: SYN452-1 by Zipperpin---2.1.9999

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Zipperpin---2.1.9999
% Problem  : SYN452-1 : TPTP v8.1.2. Released v2.1.0.
% Transfm  : NO INFORMATION
% Format   : NO INFORMATION
% Command  : python3 /export/starexec/sandbox/solver/bin/portfolio.lams.parallel.py %s %d /export/starexec/sandbox/tmp/tmp.OJHwfT2xdL true

% Computer : n002.cluster.edu
% Model    : x86_64 x86_64
% CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 2.10GHz
% Memory   : 8042.1875MB
% OS       : Linux 3.10.0-693.el7.x86_64
% CPULimit : 300s
% WCLimit  : 300s
% DateTime : Fri Sep  1 04:03:37 EDT 2023

% Result   : Unsatisfiable 6.56s 1.53s
% Output   : Refutation 6.56s
% Verified : 
% SZS Type : -

% Comments : 
%------------------------------------------------------------------------------
%----WARNING: Could not form TPTP format derivation
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.07/0.13  % Problem  : SYN452-1 : TPTP v8.1.2. Released v2.1.0.
% 0.07/0.14  % Command  : python3 /export/starexec/sandbox/solver/bin/portfolio.lams.parallel.py %s %d /export/starexec/sandbox/tmp/tmp.OJHwfT2xdL true
% 0.13/0.35  % Computer : n002.cluster.edu
% 0.13/0.35  % Model    : x86_64 x86_64
% 0.13/0.35  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.13/0.35  % Memory   : 8042.1875MB
% 0.13/0.35  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.13/0.35  % CPULimit : 300
% 0.13/0.35  % WCLimit  : 300
% 0.13/0.35  % DateTime : Sat Aug 26 18:48:33 EDT 2023
% 0.13/0.35  % CPUTime  : 
% 0.13/0.35  % Running portfolio for 300 s
% 0.13/0.35  % File         : /export/starexec/sandbox/benchmark/theBenchmark.p
% 0.13/0.35  % Number of cores: 8
% 0.13/0.36  % Python version: Python 3.6.8
% 0.13/0.36  % Running in FO mode
% 0.22/0.67  % Total configuration time : 435
% 0.22/0.67  % Estimated wc time : 1092
% 0.22/0.67  % Estimated cpu time (7 cpus) : 156.0
% 0.86/0.71  % /export/starexec/sandbox/solver/bin/fo/fo6_bce.sh running for 75s
% 0.86/0.75  % /export/starexec/sandbox/solver/bin/fo/fo3_bce.sh running for 75s
% 0.86/0.76  % /export/starexec/sandbox/solver/bin/fo/fo1_av.sh running for 75s
% 0.86/0.77  % /export/starexec/sandbox/solver/bin/fo/fo7.sh running for 63s
% 0.86/0.77  % /export/starexec/sandbox/solver/bin/fo/fo13.sh running for 50s
% 0.86/0.77  % /export/starexec/sandbox/solver/bin/fo/fo5.sh running for 50s
% 0.86/0.77  % /export/starexec/sandbox/solver/bin/fo/fo4.sh running for 50s
% 6.56/1.53  % Solved by fo/fo1_av.sh.
% 6.56/1.53  % done 2059 iterations in 0.718s
% 6.56/1.53  % SZS status Theorem for '/export/starexec/sandbox/benchmark/theBenchmark.p'
% 6.56/1.53  % SZS output start Refutation
% 6.56/1.53  thf(hskp26_type, type, hskp26: $o).
% 6.56/1.53  thf(hskp20_type, type, hskp20: $o).
% 6.56/1.53  thf(hskp3_type, type, hskp3: $o).
% 6.56/1.53  thf(c3_1_type, type, c3_1: $i > $o).
% 6.56/1.53  thf(hskp0_type, type, hskp0: $o).
% 6.56/1.53  thf(a860_type, type, a860: $i).
% 6.56/1.53  thf(a818_type, type, a818: $i).
% 6.56/1.53  thf(a827_type, type, a827: $i).
% 6.56/1.53  thf(hskp27_type, type, hskp27: $o).
% 6.56/1.53  thf(hskp7_type, type, hskp7: $o).
% 6.56/1.53  thf(a826_type, type, a826: $i).
% 6.56/1.53  thf(hskp25_type, type, hskp25: $o).
% 6.56/1.53  thf(a855_type, type, a855: $i).
% 6.56/1.53  thf(a854_type, type, a854: $i).
% 6.56/1.53  thf(a830_type, type, a830: $i).
% 6.56/1.53  thf(hskp28_type, type, hskp28: $o).
% 6.56/1.53  thf(a831_type, type, a831: $i).
% 6.56/1.53  thf(hskp21_type, type, hskp21: $o).
% 6.56/1.53  thf(hskp2_type, type, hskp2: $o).
% 6.56/1.53  thf(hskp22_type, type, hskp22: $o).
% 6.56/1.53  thf(a839_type, type, a839: $i).
% 6.56/1.53  thf(ndr1_0_type, type, ndr1_0: $o).
% 6.56/1.53  thf(c1_1_type, type, c1_1: $i > $o).
% 6.56/1.53  thf(hskp5_type, type, hskp5: $o).
% 6.56/1.53  thf(a817_type, type, a817: $i).
% 6.56/1.53  thf(a865_type, type, a865: $i).
% 6.56/1.53  thf(a892_type, type, a892: $i).
% 6.56/1.53  thf(hskp4_type, type, hskp4: $o).
% 6.56/1.53  thf(a857_type, type, a857: $i).
% 6.56/1.53  thf(a842_type, type, a842: $i).
% 6.56/1.53  thf(a820_type, type, a820: $i).
% 6.56/1.53  thf(a878_type, type, a878: $i).
% 6.56/1.53  thf(a833_type, type, a833: $i).
% 6.56/1.53  thf(a862_type, type, a862: $i).
% 6.56/1.53  thf(hskp29_type, type, hskp29: $o).
% 6.56/1.53  thf(a856_type, type, a856: $i).
% 6.56/1.53  thf(hskp8_type, type, hskp8: $o).
% 6.56/1.53  thf(hskp24_type, type, hskp24: $o).
% 6.56/1.53  thf(a825_type, type, a825: $i).
% 6.56/1.53  thf(hskp6_type, type, hskp6: $o).
% 6.56/1.53  thf(c2_1_type, type, c2_1: $i > $o).
% 6.56/1.53  thf(hskp9_type, type, hskp9: $o).
% 6.56/1.53  thf(hskp14_type, type, hskp14: $o).
% 6.56/1.53  thf(hskp1_type, type, hskp1: $o).
% 6.56/1.53  thf(hskp12_type, type, hskp12: $o).
% 6.56/1.53  thf(a821_type, type, a821: $i).
% 6.56/1.53  thf(a828_type, type, a828: $i).
% 6.56/1.53  thf(hskp18_type, type, hskp18: $o).
% 6.56/1.53  thf(c0_1_type, type, c0_1: $i > $o).
% 6.56/1.53  thf(hskp19_type, type, hskp19: $o).
% 6.56/1.53  thf(hskp23_type, type, hskp23: $o).
% 6.56/1.53  thf(a816_type, type, a816: $i).
% 6.56/1.53  thf(hskp13_type, type, hskp13: $o).
% 6.56/1.53  thf(a815_type, type, a815: $i).
% 6.56/1.53  thf(clause149, conjecture,
% 6.56/1.53    (~( ( hskp0 ) | ( c2_1 @ V ) | ( c1_1 @ V ) | ( c0_1 @ V ) | 
% 6.56/1.53        ( c3_1 @ U ) | ( c2_1 @ U ) | ( c1_1 @ U ) | ( ~( ndr1_0 ) ) ))).
% 6.56/1.53  thf(zf_stmt_0, negated_conjecture,
% 6.56/1.53    (( hskp0 ) | ( c2_1 @ V ) | ( c1_1 @ V ) | ( c0_1 @ V ) | ( c3_1 @ U ) | 
% 6.56/1.53     ( c2_1 @ U ) | ( c1_1 @ U ) | ( ~( ndr1_0 ) )),
% 6.56/1.53    inference('cnf.neg', [status(esa)], [clause149])).
% 6.56/1.53  thf(zip_derived_cl148, plain,
% 6.56/1.53      (![X0 : $i, X1 : $i]:
% 6.56/1.53         ( (hskp0)
% 6.56/1.53          |  (c2_1 @ X0)
% 6.56/1.53          |  (c1_1 @ X0)
% 6.56/1.53          |  (c0_1 @ X0)
% 6.56/1.53          |  (c3_1 @ X1)
% 6.56/1.53          |  (c2_1 @ X1)
% 6.56/1.53          |  (c1_1 @ X1)
% 6.56/1.53          | ~ (ndr1_0))),
% 6.56/1.53      inference('cnf', [status(esa)], [zf_stmt_0])).
% 6.56/1.53  thf('0', plain,
% 6.56/1.53      ((![X0 : $i]: ( (c2_1 @ X0) |  (c1_1 @ X0) |  (c0_1 @ X0))) | 
% 6.56/1.53       (![X0 : $i]: ( (c3_1 @ X0) |  (c2_1 @ X0) |  (c1_1 @ X0))) | 
% 6.56/1.53       ( (hskp0)) | ~ ( (ndr1_0))),
% 6.56/1.53      inference('split', [status(esa)], [zip_derived_cl148])).
% 6.56/1.53  thf(zip_derived_cl523, plain,
% 6.56/1.53      ((![X0 : $i]: ( (c2_1 @ X0) |  (c1_1 @ X0) |  (c0_1 @ X0)))
% 6.56/1.53         <= ((![X0 : $i]: ( (c2_1 @ X0) |  (c1_1 @ X0) |  (c0_1 @ X0))))),
% 6.56/1.53      inference('split', [status(esa)], [zip_derived_cl148])).
% 6.56/1.53  thf(clause114, conjecture, (~( ( ~( hskp8 ) ) | ( ~( c0_1 @ a830 ) ) ))).
% 6.56/1.53  thf(zf_stmt_1, negated_conjecture, (( ~( hskp8 ) ) | ( ~( c0_1 @ a830 ) )),
% 6.56/1.53    inference('cnf.neg', [status(esa)], [clause114])).
% 6.56/1.53  thf(zip_derived_cl113, plain, ((~ (hskp8) | ~ (c0_1 @ a830))),
% 6.56/1.53      inference('cnf', [status(esa)], [zf_stmt_1])).
% 6.56/1.53  thf(zip_derived_cl413, plain, ((~ (c0_1 @ a830)) <= (~ ( (c0_1 @ a830)))),
% 6.56/1.53      inference('split', [status(esa)], [zip_derived_cl113])).
% 6.56/1.53  thf(zip_derived_cl1891, plain,
% 6.56/1.53      ((( (c1_1 @ a830) |  (c2_1 @ a830)))
% 6.56/1.53         <= (~ ( (c0_1 @ a830)) & 
% 6.56/1.53             (![X0 : $i]: ( (c2_1 @ X0) |  (c1_1 @ X0) |  (c0_1 @ X0))))),
% 6.56/1.53      inference('s_sup-', [status(thm)], [zip_derived_cl523, zip_derived_cl413])).
% 6.56/1.53  thf('1', plain,
% 6.56/1.53      (~ (![X0 : $i]: ( (c2_1 @ X0) |  (c1_1 @ X0) |  (c0_1 @ X0))) | 
% 6.56/1.53       ( (c1_1 @ a830)) | ( (c2_1 @ a830)) | ( (c0_1 @ a830))),
% 6.56/1.53      inference('split', [status(esa)], [zip_derived_cl1891])).
% 6.56/1.53  thf(clause130, conjecture,
% 6.56/1.53    (~( ( hskp0 ) | ( hskp26 ) | ( c3_1 @ U ) | ( c1_1 @ U ) | ( c0_1 @ U ) | 
% 6.56/1.53        ( ~( ndr1_0 ) ) ))).
% 6.56/1.53  thf(zf_stmt_2, negated_conjecture,
% 6.56/1.53    (( hskp0 ) | ( hskp26 ) | ( c3_1 @ U ) | ( c1_1 @ U ) | ( c0_1 @ U ) | 
% 6.56/1.53     ( ~( ndr1_0 ) )),
% 6.56/1.53    inference('cnf.neg', [status(esa)], [clause130])).
% 6.56/1.53  thf(zip_derived_cl129, plain,
% 6.56/1.53      (![X0 : $i]:
% 6.56/1.53         ( (hskp0)
% 6.56/1.53          |  (hskp26)
% 6.56/1.53          |  (c3_1 @ X0)
% 6.56/1.53          |  (c1_1 @ X0)
% 6.56/1.53          |  (c0_1 @ X0)
% 6.56/1.53          | ~ (ndr1_0))),
% 6.56/1.53      inference('cnf', [status(esa)], [zf_stmt_2])).
% 6.56/1.53  thf(zip_derived_cl446, plain,
% 6.56/1.53      ((![X0 : $i]: ( (c3_1 @ X0) |  (c1_1 @ X0) |  (c0_1 @ X0)))
% 6.56/1.53         <= ((![X0 : $i]: ( (c3_1 @ X0) |  (c1_1 @ X0) |  (c0_1 @ X0))))),
% 6.56/1.53      inference('split', [status(esa)], [zip_derived_cl129])).
% 6.56/1.53  thf(zip_derived_cl413, plain, ((~ (c0_1 @ a830)) <= (~ ( (c0_1 @ a830)))),
% 6.56/1.53      inference('split', [status(esa)], [zip_derived_cl113])).
% 6.56/1.53  thf(zip_derived_cl1066, plain,
% 6.56/1.53      ((( (c1_1 @ a830) |  (c3_1 @ a830)))
% 6.56/1.53         <= (~ ( (c0_1 @ a830)) & 
% 6.56/1.53             (![X0 : $i]: ( (c3_1 @ X0) |  (c1_1 @ X0) |  (c0_1 @ X0))))),
% 6.56/1.53      inference('s_sup-', [status(thm)], [zip_derived_cl446, zip_derived_cl413])).
% 6.56/1.53  thf('2', plain,
% 6.56/1.53      (~ (![X0 : $i]: ( (c3_1 @ X0) |  (c1_1 @ X0) |  (c0_1 @ X0))) | 
% 6.56/1.53       ( (c1_1 @ a830)) | ( (c3_1 @ a830)) | ( (c0_1 @ a830))),
% 6.56/1.53      inference('split', [status(esa)], [zip_derived_cl1066])).
% 6.56/1.53  thf(clause139, conjecture,
% 6.56/1.53    (~( ( hskp22 ) | ( hskp1 ) | ( c3_1 @ U ) | ( c2_1 @ U ) | 
% 6.56/1.53        ( ~( ndr1_0 ) ) | ( ~( c1_1 @ U ) ) ))).
% 6.56/1.53  thf(zf_stmt_3, negated_conjecture,
% 6.56/1.53    (( hskp22 ) | ( hskp1 ) | ( c3_1 @ U ) | ( c2_1 @ U ) | ( ~( ndr1_0 ) ) | 
% 6.56/1.53     ( ~( c1_1 @ U ) )),
% 6.56/1.53    inference('cnf.neg', [status(esa)], [clause139])).
% 6.56/1.53  thf(zip_derived_cl138, plain,
% 6.56/1.53      (![X0 : $i]:
% 6.56/1.53         ( (hskp22)
% 6.56/1.53          |  (hskp1)
% 6.56/1.53          |  (c3_1 @ X0)
% 6.56/1.53          |  (c2_1 @ X0)
% 6.56/1.53          | ~ (ndr1_0)
% 6.56/1.53          | ~ (c1_1 @ X0))),
% 6.56/1.53      inference('cnf', [status(esa)], [zf_stmt_3])).
% 6.56/1.53  thf(zip_derived_cl482, plain,
% 6.56/1.53      ((![X0 : $i]: ( (c3_1 @ X0) |  (c2_1 @ X0) | ~ (c1_1 @ X0)))
% 6.56/1.53         <= ((![X0 : $i]: ( (c3_1 @ X0) |  (c2_1 @ X0) | ~ (c1_1 @ X0))))),
% 6.56/1.53      inference('split', [status(esa)], [zip_derived_cl138])).
% 6.56/1.53  thf(clause84, conjecture, (~( ( c0_1 @ a815 ) | ( ~( hskp0 ) ) ))).
% 6.56/1.53  thf(zf_stmt_4, negated_conjecture, (( c0_1 @ a815 ) | ( ~( hskp0 ) )),
% 6.56/1.53    inference('cnf.neg', [status(esa)], [clause84])).
% 6.56/1.53  thf(zip_derived_cl83, plain, (( (c0_1 @ a815) | ~ (hskp0))),
% 6.56/1.53      inference('cnf', [status(esa)], [zf_stmt_4])).
% 6.56/1.53  thf(zip_derived_cl353, plain, (( (c0_1 @ a815)) <= (( (c0_1 @ a815)))),
% 6.56/1.53      inference('split', [status(esa)], [zip_derived_cl83])).
% 6.56/1.53  thf(clause148, conjecture,
% 6.56/1.53    (~( ( hskp3 ) | ( hskp23 ) | ( ~( ndr1_0 ) ) | ( ~( c3_1 @ U ) ) | 
% 6.56/1.53        ( ~( c2_1 @ U ) ) | ( ~( c0_1 @ U ) ) ))).
% 6.56/1.53  thf(zf_stmt_5, negated_conjecture,
% 6.56/1.53    (( hskp3 ) | ( hskp23 ) | ( ~( ndr1_0 ) ) | ( ~( c3_1 @ U ) ) | 
% 6.56/1.53     ( ~( c2_1 @ U ) ) | ( ~( c0_1 @ U ) )),
% 6.56/1.53    inference('cnf.neg', [status(esa)], [clause148])).
% 6.56/1.53  thf(zip_derived_cl147, plain,
% 6.56/1.53      (![X0 : $i]:
% 6.56/1.53         ( (hskp3)
% 6.56/1.53          |  (hskp23)
% 6.56/1.53          | ~ (ndr1_0)
% 6.56/1.53          | ~ (c3_1 @ X0)
% 6.56/1.53          | ~ (c2_1 @ X0)
% 6.56/1.53          | ~ (c0_1 @ X0))),
% 6.56/1.53      inference('cnf', [status(esa)], [zf_stmt_5])).
% 6.56/1.53  thf(zip_derived_cl518, plain,
% 6.56/1.53      ((![X0 : $i]: (~ (c3_1 @ X0) | ~ (c2_1 @ X0) | ~ (c0_1 @ X0)))
% 6.56/1.53         <= ((![X0 : $i]: (~ (c3_1 @ X0) | ~ (c2_1 @ X0) | ~ (c0_1 @ X0))))),
% 6.56/1.53      inference('split', [status(esa)], [zip_derived_cl147])).
% 6.56/1.53  thf(zip_derived_cl859, plain,
% 6.56/1.53      (((~ (c3_1 @ a815) | ~ (c2_1 @ a815)))
% 6.56/1.53         <= (( (c0_1 @ a815)) & 
% 6.56/1.53             (![X0 : $i]: (~ (c3_1 @ X0) | ~ (c2_1 @ X0) | ~ (c0_1 @ X0))))),
% 6.56/1.53      inference('s_sup-', [status(thm)], [zip_derived_cl353, zip_derived_cl518])).
% 6.56/1.53  thf(zip_derived_cl1221, plain, ((~ (c2_1 @ a815)) <= (~ ( (c2_1 @ a815)))),
% 6.56/1.53      inference('split', [status(esa)], [zip_derived_cl859])).
% 6.56/1.53  thf(zip_derived_cl1728, plain,
% 6.56/1.53      (((~ (c1_1 @ a815) |  (c3_1 @ a815)))
% 6.56/1.53         <= (~ ( (c2_1 @ a815)) & 
% 6.56/1.53             (![X0 : $i]: ( (c3_1 @ X0) |  (c2_1 @ X0) | ~ (c1_1 @ X0))))),
% 6.56/1.53      inference('s_sup-', [status(thm)],
% 6.56/1.53                [zip_derived_cl482, zip_derived_cl1221])).
% 6.56/1.53  thf('3', plain,
% 6.56/1.53      (( (c2_1 @ a815)) | ( (c3_1 @ a815)) | 
% 6.56/1.53       ~ (![X0 : $i]: ( (c3_1 @ X0) |  (c2_1 @ X0) | ~ (c1_1 @ X0))) | 
% 6.56/1.53       ~ ( (c1_1 @ a815))),
% 6.56/1.53      inference('split', [status(esa)], [zip_derived_cl1728])).
% 6.56/1.53  thf(clause131, conjecture,
% 6.56/1.53    (~( ( hskp6 ) | ( hskp27 ) | ( c3_1 @ U ) | ( c2_1 @ U ) | ( c0_1 @ U ) | 
% 6.56/1.53        ( ~( ndr1_0 ) ) ))).
% 6.56/1.53  thf(zf_stmt_6, negated_conjecture,
% 6.56/1.53    (( hskp6 ) | ( hskp27 ) | ( c3_1 @ U ) | ( c2_1 @ U ) | ( c0_1 @ U ) | 
% 6.56/1.53     ( ~( ndr1_0 ) )),
% 6.56/1.53    inference('cnf.neg', [status(esa)], [clause131])).
% 6.56/1.53  thf(zip_derived_cl130, plain,
% 6.56/1.53      (![X0 : $i]:
% 6.56/1.53         ( (hskp6)
% 6.56/1.53          |  (hskp27)
% 6.56/1.53          |  (c3_1 @ X0)
% 6.56/1.53          |  (c2_1 @ X0)
% 6.56/1.53          |  (c0_1 @ X0)
% 6.56/1.53          | ~ (ndr1_0))),
% 6.56/1.53      inference('cnf', [status(esa)], [zf_stmt_6])).
% 6.56/1.53  thf(zip_derived_cl450, plain,
% 6.56/1.53      ((![X0 : $i]: ( (c3_1 @ X0) |  (c2_1 @ X0) |  (c0_1 @ X0)))
% 6.56/1.53         <= ((![X0 : $i]: ( (c3_1 @ X0) |  (c2_1 @ X0) |  (c0_1 @ X0))))),
% 6.56/1.53      inference('split', [status(esa)], [zip_derived_cl130])).
% 6.56/1.53  thf(zip_derived_cl413, plain, ((~ (c0_1 @ a830)) <= (~ ( (c0_1 @ a830)))),
% 6.56/1.53      inference('split', [status(esa)], [zip_derived_cl113])).
% 6.56/1.53  thf(zip_derived_cl1130, plain,
% 6.56/1.53      ((( (c2_1 @ a830) |  (c3_1 @ a830)))
% 6.56/1.53         <= (~ ( (c0_1 @ a830)) & 
% 6.56/1.53             (![X0 : $i]: ( (c3_1 @ X0) |  (c2_1 @ X0) |  (c0_1 @ X0))))),
% 6.56/1.53      inference('s_sup-', [status(thm)], [zip_derived_cl450, zip_derived_cl413])).
% 6.56/1.53  thf('4', plain,
% 6.56/1.53      (~ (![X0 : $i]: ( (c3_1 @ X0) |  (c2_1 @ X0) |  (c0_1 @ X0))) | 
% 6.56/1.53       ( (c0_1 @ a830)) | ( (c2_1 @ a830)) | ( (c3_1 @ a830))),
% 6.56/1.53      inference('split', [status(esa)], [zip_derived_cl1130])).
% 6.56/1.53  thf(clause144, conjecture,
% 6.56/1.53    (~( ( hskp19 ) | ( hskp29 ) | ( c2_1 @ U ) | ( ~( ndr1_0 ) ) | 
% 6.56/1.53        ( ~( c1_1 @ U ) ) | ( ~( c0_1 @ U ) ) ))).
% 6.56/1.53  thf(zf_stmt_7, negated_conjecture,
% 6.56/1.53    (( hskp19 ) | ( hskp29 ) | ( c2_1 @ U ) | ( ~( ndr1_0 ) ) | 
% 6.56/1.53     ( ~( c1_1 @ U ) ) | ( ~( c0_1 @ U ) )),
% 6.56/1.53    inference('cnf.neg', [status(esa)], [clause144])).
% 6.56/1.53  thf(zip_derived_cl143, plain,
% 6.56/1.53      (![X0 : $i]:
% 6.56/1.53         ( (hskp19)
% 6.56/1.53          |  (hskp29)
% 6.56/1.53          |  (c2_1 @ X0)
% 6.56/1.53          | ~ (ndr1_0)
% 6.56/1.53          | ~ (c1_1 @ X0)
% 6.56/1.53          | ~ (c0_1 @ X0))),
% 6.56/1.53      inference('cnf', [status(esa)], [zf_stmt_7])).
% 6.56/1.53  thf(zip_derived_cl502, plain,
% 6.56/1.53      ((![X0 : $i]: ( (c2_1 @ X0) | ~ (c1_1 @ X0) | ~ (c0_1 @ X0)))
% 6.56/1.53         <= ((![X0 : $i]: ( (c2_1 @ X0) | ~ (c1_1 @ X0) | ~ (c0_1 @ X0))))),
% 6.56/1.53      inference('split', [status(esa)], [zip_derived_cl143])).
% 6.56/1.53  thf(clause42, conjecture, (~( ( c0_1 @ a833 ) | ( ~( hskp28 ) ) ))).
% 6.56/1.53  thf(zf_stmt_8, negated_conjecture, (( c0_1 @ a833 ) | ( ~( hskp28 ) )),
% 6.56/1.53    inference('cnf.neg', [status(esa)], [clause42])).
% 6.56/1.53  thf(zip_derived_cl41, plain, (( (c0_1 @ a833) | ~ (hskp28))),
% 6.56/1.53      inference('cnf', [status(esa)], [zf_stmt_8])).
% 6.56/1.53  thf(zip_derived_cl269, plain, (( (c0_1 @ a833)) <= (( (c0_1 @ a833)))),
% 6.56/1.53      inference('split', [status(esa)], [zip_derived_cl41])).
% 6.56/1.53  thf(zip_derived_cl923, plain,
% 6.56/1.53      (((~ (c1_1 @ a833) |  (c2_1 @ a833)))
% 6.56/1.53         <= (( (c0_1 @ a833)) & 
% 6.56/1.53             (![X0 : $i]: ( (c2_1 @ X0) | ~ (c1_1 @ X0) | ~ (c0_1 @ X0))))),
% 6.56/1.53      inference('s_sup+', [status(thm)], [zip_derived_cl502, zip_derived_cl269])).
% 6.56/1.53  thf(zip_derived_cl2847, plain, (( (c2_1 @ a833)) <= (( (c2_1 @ a833)))),
% 6.56/1.53      inference('split', [status(esa)], [zip_derived_cl923])).
% 6.56/1.53  thf(clause172, conjecture,
% 6.56/1.53    (~( ( hskp8 ) | ( ~( c3_1 @ V ) ) | ( ~( c1_1 @ V ) ) | 
% 6.56/1.53        ( ~( c0_1 @ V ) ) | ( ~( ndr1_0 ) ) | ( ~( c3_1 @ U ) ) | 
% 6.56/1.53        ( ~( c2_1 @ U ) ) | ( ~( c1_1 @ U ) ) ))).
% 6.56/1.53  thf(zf_stmt_9, negated_conjecture,
% 6.56/1.53    (( hskp8 ) | ( ~( c3_1 @ V ) ) | ( ~( c1_1 @ V ) ) | ( ~( c0_1 @ V ) ) | 
% 6.56/1.53     ( ~( ndr1_0 ) ) | ( ~( c3_1 @ U ) ) | ( ~( c2_1 @ U ) ) | 
% 6.56/1.53     ( ~( c1_1 @ U ) )),
% 6.56/1.53    inference('cnf.neg', [status(esa)], [clause172])).
% 6.56/1.53  thf(zip_derived_cl171, plain,
% 6.56/1.53      (![X0 : $i, X1 : $i]:
% 6.56/1.53         ( (hskp8)
% 6.56/1.53          | ~ (c3_1 @ X0)
% 6.56/1.53          | ~ (c1_1 @ X0)
% 6.56/1.53          | ~ (c0_1 @ X0)
% 6.56/1.53          | ~ (ndr1_0)
% 6.56/1.53          | ~ (c3_1 @ X1)
% 6.56/1.53          | ~ (c2_1 @ X1)
% 6.56/1.53          | ~ (c1_1 @ X1))),
% 6.56/1.53      inference('cnf', [status(esa)], [zf_stmt_9])).
% 6.56/1.53  thf(zip_derived_cl613, plain,
% 6.56/1.53      ((![X1 : $i]: (~ (c3_1 @ X1) | ~ (c2_1 @ X1) | ~ (c1_1 @ X1)))
% 6.56/1.53         <= ((![X1 : $i]: (~ (c3_1 @ X1) | ~ (c2_1 @ X1) | ~ (c1_1 @ X1))))),
% 6.56/1.53      inference('split', [status(esa)], [zip_derived_cl171])).
% 6.56/1.53  thf(zip_derived_cl2859, plain,
% 6.56/1.53      (((~ (c3_1 @ a833) | ~ (c1_1 @ a833)))
% 6.56/1.53         <= ((![X1 : $i]: (~ (c3_1 @ X1) | ~ (c2_1 @ X1) | ~ (c1_1 @ X1))) & 
% 6.56/1.53             ( (c2_1 @ a833)))),
% 6.56/1.53      inference('s_sup-', [status(thm)],
% 6.56/1.53                [zip_derived_cl2847, zip_derived_cl613])).
% 6.56/1.53  thf('5', plain,
% 6.56/1.53      (~ (![X1 : $i]: (~ (c3_1 @ X1) | ~ (c2_1 @ X1) | ~ (c1_1 @ X1))) | 
% 6.56/1.53       ~ ( (c2_1 @ a833)) | ~ ( (c3_1 @ a833)) | ~ ( (c1_1 @ a833))),
% 6.56/1.53      inference('split', [status(esa)], [zip_derived_cl2859])).
% 6.56/1.53  thf(clause134, conjecture,
% 6.56/1.53    (~( ( hskp28 ) | ( hskp26 ) | ( c2_1 @ U ) | ( c0_1 @ U ) | 
% 6.56/1.53        ( ~( ndr1_0 ) ) | ( ~( c3_1 @ U ) ) ))).
% 6.56/1.53  thf(zf_stmt_10, negated_conjecture,
% 6.56/1.53    (( hskp28 ) | ( hskp26 ) | ( c2_1 @ U ) | ( c0_1 @ U ) | ( ~( ndr1_0 ) ) | 
% 6.56/1.53     ( ~( c3_1 @ U ) )),
% 6.56/1.53    inference('cnf.neg', [status(esa)], [clause134])).
% 6.56/1.53  thf(zip_derived_cl133, plain,
% 6.56/1.53      (![X0 : $i]:
% 6.56/1.53         ( (hskp28)
% 6.56/1.53          |  (hskp26)
% 6.56/1.53          |  (c2_1 @ X0)
% 6.56/1.53          |  (c0_1 @ X0)
% 6.56/1.53          | ~ (ndr1_0)
% 6.56/1.53          | ~ (c3_1 @ X0))),
% 6.56/1.53      inference('cnf', [status(esa)], [zf_stmt_10])).
% 6.56/1.53  thf(zip_derived_cl462, plain,
% 6.56/1.53      ((![X0 : $i]: (~ (c3_1 @ X0) |  (c2_1 @ X0) |  (c0_1 @ X0)))
% 6.56/1.53         <= ((![X0 : $i]: (~ (c3_1 @ X0) |  (c2_1 @ X0) |  (c0_1 @ X0))))),
% 6.56/1.53      inference('split', [status(esa)], [zip_derived_cl133])).
% 6.56/1.53  thf(clause120, conjecture, (~( ( ~( hskp5 ) ) | ( ~( c0_1 @ a825 ) ) ))).
% 6.56/1.53  thf(zf_stmt_11, negated_conjecture, (( ~( hskp5 ) ) | ( ~( c0_1 @ a825 ) )),
% 6.56/1.53    inference('cnf.neg', [status(esa)], [clause120])).
% 6.56/1.53  thf(zip_derived_cl119, plain, ((~ (hskp5) | ~ (c0_1 @ a825))),
% 6.56/1.53      inference('cnf', [status(esa)], [zf_stmt_11])).
% 6.56/1.53  thf(zip_derived_cl425, plain, ((~ (c0_1 @ a825)) <= (~ ( (c0_1 @ a825)))),
% 6.56/1.53      inference('split', [status(esa)], [zip_derived_cl119])).
% 6.56/1.53  thf(zip_derived_cl1299, plain,
% 6.56/1.53      ((( (c2_1 @ a825) | ~ (c3_1 @ a825)))
% 6.56/1.53         <= (~ ( (c0_1 @ a825)) & 
% 6.56/1.53             (![X0 : $i]: (~ (c3_1 @ X0) |  (c2_1 @ X0) |  (c0_1 @ X0))))),
% 6.56/1.53      inference('s_sup-', [status(thm)], [zip_derived_cl462, zip_derived_cl425])).
% 6.56/1.53  thf('6', plain,
% 6.56/1.53      (( (c2_1 @ a825)) | ( (c0_1 @ a825)) | 
% 6.56/1.53       ~ (![X0 : $i]: (~ (c3_1 @ X0) |  (c2_1 @ X0) |  (c0_1 @ X0))) | 
% 6.56/1.53       ~ ( (c3_1 @ a825))),
% 6.56/1.53      inference('split', [status(esa)], [zip_derived_cl1299])).
% 6.56/1.53  thf(clause50, conjecture, (~( ( c2_1 @ a818 ) | ( ~( hskp26 ) ) ))).
% 6.56/1.53  thf(zf_stmt_12, negated_conjecture, (( c2_1 @ a818 ) | ( ~( hskp26 ) )),
% 6.56/1.53    inference('cnf.neg', [status(esa)], [clause50])).
% 6.56/1.53  thf(zip_derived_cl49, plain, (( (c2_1 @ a818) | ~ (hskp26))),
% 6.56/1.53      inference('cnf', [status(esa)], [zf_stmt_12])).
% 6.56/1.53  thf(zip_derived_cl285, plain, (( (c2_1 @ a818)) <= (( (c2_1 @ a818)))),
% 6.56/1.53      inference('split', [status(esa)], [zip_derived_cl49])).
% 6.56/1.53  thf(zip_derived_cl613, plain,
% 6.56/1.53      ((![X1 : $i]: (~ (c3_1 @ X1) | ~ (c2_1 @ X1) | ~ (c1_1 @ X1)))
% 6.56/1.53         <= ((![X1 : $i]: (~ (c3_1 @ X1) | ~ (c2_1 @ X1) | ~ (c1_1 @ X1))))),
% 6.56/1.53      inference('split', [status(esa)], [zip_derived_cl171])).
% 6.56/1.53  thf(zip_derived_cl745, plain,
% 6.56/1.53      (((~ (c3_1 @ a818) | ~ (c1_1 @ a818)))
% 6.56/1.53         <= (( (c2_1 @ a818)) & 
% 6.56/1.53             (![X1 : $i]: (~ (c3_1 @ X1) | ~ (c2_1 @ X1) | ~ (c1_1 @ X1))))),
% 6.56/1.53      inference('s_sup-', [status(thm)], [zip_derived_cl285, zip_derived_cl613])).
% 6.56/1.53  thf('7', plain,
% 6.56/1.53      (~ (![X1 : $i]: (~ (c3_1 @ X1) | ~ (c2_1 @ X1) | ~ (c1_1 @ X1))) | 
% 6.56/1.53       ~ ( (c3_1 @ a818)) | ~ ( (c2_1 @ a818)) | ~ ( (c1_1 @ a818))),
% 6.56/1.53      inference('split', [status(esa)], [zip_derived_cl745])).
% 6.56/1.53  thf(zip_derived_cl4620, plain, (( (c2_1 @ a825)) <= (( (c2_1 @ a825)))),
% 6.56/1.53      inference('split', [status(esa)], [zip_derived_cl1299])).
% 6.56/1.53  thf(zip_derived_cl613, plain,
% 6.56/1.53      ((![X1 : $i]: (~ (c3_1 @ X1) | ~ (c2_1 @ X1) | ~ (c1_1 @ X1)))
% 6.56/1.53         <= ((![X1 : $i]: (~ (c3_1 @ X1) | ~ (c2_1 @ X1) | ~ (c1_1 @ X1))))),
% 6.56/1.53      inference('split', [status(esa)], [zip_derived_cl171])).
% 6.56/1.53  thf(zip_derived_cl4643, plain,
% 6.56/1.53      (((~ (c3_1 @ a825) | ~ (c1_1 @ a825)))
% 6.56/1.53         <= ((![X1 : $i]: (~ (c3_1 @ X1) | ~ (c2_1 @ X1) | ~ (c1_1 @ X1))) & 
% 6.56/1.53             ( (c2_1 @ a825)))),
% 6.56/1.53      inference('s_sup-', [status(thm)],
% 6.56/1.53                [zip_derived_cl4620, zip_derived_cl613])).
% 6.56/1.53  thf('8', plain,
% 6.56/1.53      (~ (![X1 : $i]: (~ (c3_1 @ X1) | ~ (c2_1 @ X1) | ~ (c1_1 @ X1))) | 
% 6.56/1.53       ~ ( (c2_1 @ a825)) | ~ ( (c3_1 @ a825)) | ~ ( (c1_1 @ a825))),
% 6.56/1.53      inference('split', [status(esa)], [zip_derived_cl4643])).
% 6.56/1.53  thf('9', plain,
% 6.56/1.53      (( (hskp23)) | 
% 6.56/1.53       (![X0 : $i]: (~ (c3_1 @ X0) | ~ (c2_1 @ X0) | ~ (c0_1 @ X0))) | 
% 6.56/1.53       ( (hskp3)) | ~ ( (ndr1_0))),
% 6.56/1.53      inference('split', [status(esa)], [zip_derived_cl147])).
% 6.56/1.53  thf(clause160, conjecture,
% 6.56/1.53    (~( ( hskp9 ) | ( c2_1 @ V ) | ( c0_1 @ V ) | ( c2_1 @ U ) | 
% 6.56/1.53        ( ~( c1_1 @ V ) ) | ( ~( ndr1_0 ) ) | ( ~( c3_1 @ U ) ) | 
% 6.56/1.53        ( ~( c0_1 @ U ) ) ))).
% 6.56/1.53  thf(zf_stmt_13, negated_conjecture,
% 6.56/1.53    (( hskp9 ) | ( c2_1 @ V ) | ( c0_1 @ V ) | ( c2_1 @ U ) | 
% 6.56/1.53     ( ~( c1_1 @ V ) ) | ( ~( ndr1_0 ) ) | ( ~( c3_1 @ U ) ) | 
% 6.56/1.53     ( ~( c0_1 @ U ) )),
% 6.56/1.53    inference('cnf.neg', [status(esa)], [clause160])).
% 6.56/1.53  thf(zip_derived_cl159, plain,
% 6.56/1.53      (![X0 : $i, X1 : $i]:
% 6.56/1.53         ( (hskp9)
% 6.56/1.53          |  (c2_1 @ X0)
% 6.56/1.53          |  (c0_1 @ X0)
% 6.56/1.53          |  (c2_1 @ X1)
% 6.56/1.53          | ~ (c1_1 @ X0)
% 6.56/1.53          | ~ (ndr1_0)
% 6.56/1.53          | ~ (c3_1 @ X1)
% 6.56/1.53          | ~ (c0_1 @ X1))),
% 6.56/1.53      inference('cnf', [status(esa)], [zf_stmt_13])).
% 6.56/1.53  thf(zip_derived_cl565, plain,
% 6.56/1.53      ((![X1 : $i]: (~ (c3_1 @ X1) |  (c2_1 @ X1) | ~ (c0_1 @ X1)))
% 6.56/1.53         <= ((![X1 : $i]: (~ (c3_1 @ X1) |  (c2_1 @ X1) | ~ (c0_1 @ X1))))),
% 6.56/1.53      inference('split', [status(esa)], [zip_derived_cl159])).
% 6.56/1.53  thf(zip_derived_cl269, plain, (( (c0_1 @ a833)) <= (( (c0_1 @ a833)))),
% 6.56/1.53      inference('split', [status(esa)], [zip_derived_cl41])).
% 6.56/1.53  thf(zip_derived_cl1077, plain,
% 6.56/1.53      ((( (c2_1 @ a833) | ~ (c3_1 @ a833)))
% 6.56/1.53         <= (( (c0_1 @ a833)) & 
% 6.56/1.53             (![X1 : $i]: (~ (c3_1 @ X1) |  (c2_1 @ X1) | ~ (c0_1 @ X1))))),
% 6.56/1.53      inference('s_sup+', [status(thm)], [zip_derived_cl565, zip_derived_cl269])).
% 6.56/1.53  thf('10', plain,
% 6.56/1.53      (( (c2_1 @ a833)) | 
% 6.56/1.53       ~ (![X1 : $i]: (~ (c3_1 @ X1) |  (c2_1 @ X1) | ~ (c0_1 @ X1))) | 
% 6.56/1.53       ~ ( (c0_1 @ a833)) | ~ ( (c3_1 @ a833))),
% 6.56/1.53      inference('split', [status(esa)], [zip_derived_cl1077])).
% 6.56/1.53  thf(zip_derived_cl450, plain,
% 6.56/1.53      ((![X0 : $i]: ( (c3_1 @ X0) |  (c2_1 @ X0) |  (c0_1 @ X0)))
% 6.56/1.53         <= ((![X0 : $i]: ( (c3_1 @ X0) |  (c2_1 @ X0) |  (c0_1 @ X0))))),
% 6.56/1.53      inference('split', [status(esa)], [zip_derived_cl130])).
% 6.56/1.53  thf(clause97, conjecture, (~( ( ~( hskp19 ) ) | ( ~( c0_1 @ a855 ) ) ))).
% 6.56/1.53  thf(zf_stmt_14, negated_conjecture, (( ~( hskp19 ) ) | ( ~( c0_1 @ a855 ) )),
% 6.56/1.53    inference('cnf.neg', [status(esa)], [clause97])).
% 6.56/1.53  thf(zip_derived_cl96, plain, ((~ (hskp19) | ~ (c0_1 @ a855))),
% 6.56/1.53      inference('cnf', [status(esa)], [zf_stmt_14])).
% 6.56/1.53  thf(zip_derived_cl379, plain, ((~ (c0_1 @ a855)) <= (~ ( (c0_1 @ a855)))),
% 6.56/1.53      inference('split', [status(esa)], [zip_derived_cl96])).
% 6.56/1.53  thf(zip_derived_cl1129, plain,
% 6.56/1.53      ((( (c2_1 @ a855) |  (c3_1 @ a855)))
% 6.56/1.53         <= (~ ( (c0_1 @ a855)) & 
% 6.56/1.53             (![X0 : $i]: ( (c3_1 @ X0) |  (c2_1 @ X0) |  (c0_1 @ X0))))),
% 6.56/1.53      inference('s_sup-', [status(thm)], [zip_derived_cl450, zip_derived_cl379])).
% 6.56/1.53  thf('11', plain,
% 6.56/1.53      (~ (![X0 : $i]: ( (c3_1 @ X0) |  (c2_1 @ X0) |  (c0_1 @ X0))) | 
% 6.56/1.53       ( (c2_1 @ a855)) | ( (c3_1 @ a855)) | ( (c0_1 @ a855))),
% 6.56/1.53      inference('split', [status(esa)], [zip_derived_cl1129])).
% 6.56/1.53  thf(clause157, conjecture,
% 6.56/1.53    (~( ( hskp2 ) | ( c3_1 @ V ) | ( c0_1 @ V ) | ( c3_1 @ U ) | 
% 6.56/1.53        ( c1_1 @ U ) | ( ~( c2_1 @ V ) ) | ( ~( ndr1_0 ) ) | ( ~( c2_1 @ U ) ) ))).
% 6.56/1.53  thf(zf_stmt_15, negated_conjecture,
% 6.56/1.53    (( hskp2 ) | ( c3_1 @ V ) | ( c0_1 @ V ) | ( c3_1 @ U ) | ( c1_1 @ U ) | 
% 6.56/1.53     ( ~( c2_1 @ V ) ) | ( ~( ndr1_0 ) ) | ( ~( c2_1 @ U ) )),
% 6.56/1.53    inference('cnf.neg', [status(esa)], [clause157])).
% 6.56/1.53  thf(zip_derived_cl156, plain,
% 6.56/1.53      (![X0 : $i, X1 : $i]:
% 6.56/1.53         ( (hskp2)
% 6.56/1.53          |  (c3_1 @ X0)
% 6.56/1.53          |  (c0_1 @ X0)
% 6.56/1.53          |  (c3_1 @ X1)
% 6.56/1.53          |  (c1_1 @ X1)
% 6.56/1.53          | ~ (c2_1 @ X0)
% 6.56/1.53          | ~ (ndr1_0)
% 6.56/1.53          | ~ (c2_1 @ X1))),
% 6.56/1.53      inference('cnf', [status(esa)], [zf_stmt_15])).
% 6.56/1.53  thf(zip_derived_cl554, plain,
% 6.56/1.53      ((![X0 : $i]: ( (c3_1 @ X0) | ~ (c2_1 @ X0) |  (c0_1 @ X0)))
% 6.56/1.53         <= ((![X0 : $i]: ( (c3_1 @ X0) | ~ (c2_1 @ X0) |  (c0_1 @ X0))))),
% 6.56/1.53      inference('split', [status(esa)], [zip_derived_cl156])).
% 6.56/1.53  thf(zip_derived_cl379, plain, ((~ (c0_1 @ a855)) <= (~ ( (c0_1 @ a855)))),
% 6.56/1.53      inference('split', [status(esa)], [zip_derived_cl96])).
% 6.56/1.53  thf(zip_derived_cl2022, plain,
% 6.56/1.53      (((~ (c2_1 @ a855) |  (c3_1 @ a855)))
% 6.56/1.53         <= (~ ( (c0_1 @ a855)) & 
% 6.56/1.53             (![X0 : $i]: ( (c3_1 @ X0) | ~ (c2_1 @ X0) |  (c0_1 @ X0))))),
% 6.56/1.53      inference('s_sup-', [status(thm)], [zip_derived_cl554, zip_derived_cl379])).
% 6.56/1.53  thf('12', plain,
% 6.56/1.53      (~ (![X0 : $i]: ( (c3_1 @ X0) | ~ (c2_1 @ X0) |  (c0_1 @ X0))) | 
% 6.56/1.53       ~ ( (c2_1 @ a855)) | ( (c0_1 @ a855)) | ( (c3_1 @ a855))),
% 6.56/1.53      inference('split', [status(esa)], [zip_derived_cl2022])).
% 6.56/1.53  thf(clause151, conjecture,
% 6.56/1.53    (~( ( hskp1 ) | ( c2_1 @ V ) | ( c1_1 @ V ) | ( c0_1 @ V ) | 
% 6.56/1.53        ( c2_1 @ U ) | ( c1_1 @ U ) | ( ~( ndr1_0 ) ) | ( ~( c0_1 @ U ) ) ))).
% 6.56/1.53  thf(zf_stmt_16, negated_conjecture,
% 6.56/1.53    (( hskp1 ) | ( c2_1 @ V ) | ( c1_1 @ V ) | ( c0_1 @ V ) | ( c2_1 @ U ) | 
% 6.56/1.53     ( c1_1 @ U ) | ( ~( ndr1_0 ) ) | ( ~( c0_1 @ U ) )),
% 6.56/1.53    inference('cnf.neg', [status(esa)], [clause151])).
% 6.56/1.53  thf(zip_derived_cl150, plain,
% 6.56/1.53      (![X0 : $i, X1 : $i]:
% 6.56/1.53         ( (hskp1)
% 6.56/1.53          |  (c2_1 @ X0)
% 6.56/1.53          |  (c1_1 @ X0)
% 6.56/1.53          |  (c0_1 @ X0)
% 6.56/1.53          |  (c2_1 @ X1)
% 6.56/1.53          |  (c1_1 @ X1)
% 6.56/1.53          | ~ (ndr1_0)
% 6.56/1.53          | ~ (c0_1 @ X1))),
% 6.56/1.53      inference('cnf', [status(esa)], [zf_stmt_16])).
% 6.56/1.53  thf(zip_derived_cl529, plain,
% 6.56/1.53      ((![X1 : $i]: ( (c2_1 @ X1) |  (c1_1 @ X1) | ~ (c0_1 @ X1)))
% 6.56/1.53         <= ((![X1 : $i]: ( (c2_1 @ X1) |  (c1_1 @ X1) | ~ (c0_1 @ X1))))),
% 6.56/1.53      inference('split', [status(esa)], [zip_derived_cl150])).
% 6.56/1.53  thf(clause80, conjecture, (~( ( c0_1 @ a820 ) | ( ~( hskp3 ) ) ))).
% 6.56/1.53  thf(zf_stmt_17, negated_conjecture, (( c0_1 @ a820 ) | ( ~( hskp3 ) )),
% 6.56/1.53    inference('cnf.neg', [status(esa)], [clause80])).
% 6.56/1.53  thf(zip_derived_cl79, plain, (( (c0_1 @ a820) | ~ (hskp3))),
% 6.56/1.53      inference('cnf', [status(esa)], [zf_stmt_17])).
% 6.56/1.53  thf(zip_derived_cl345, plain, (( (c0_1 @ a820)) <= (( (c0_1 @ a820)))),
% 6.56/1.53      inference('split', [status(esa)], [zip_derived_cl79])).
% 6.56/1.53  thf(zip_derived_cl1598, plain,
% 6.56/1.53      ((( (c1_1 @ a820) |  (c2_1 @ a820)))
% 6.56/1.53         <= (( (c0_1 @ a820)) & 
% 6.56/1.53             (![X1 : $i]: ( (c2_1 @ X1) |  (c1_1 @ X1) | ~ (c0_1 @ X1))))),
% 6.56/1.53      inference('s_sup+', [status(thm)], [zip_derived_cl529, zip_derived_cl345])).
% 6.56/1.53  thf('13', plain,
% 6.56/1.53      (( (c2_1 @ a820)) | ( (c1_1 @ a820)) | 
% 6.56/1.53       ~ (![X1 : $i]: ( (c2_1 @ X1) |  (c1_1 @ X1) | ~ (c0_1 @ X1))) | 
% 6.56/1.53       ~ ( (c0_1 @ a820))),
% 6.56/1.53      inference('split', [status(esa)], [zip_derived_cl1598])).
% 6.56/1.53  thf(clause150, conjecture,
% 6.56/1.53    (~( ( c3_1 @ V ) | ( c1_1 @ V ) | ( c0_1 @ V ) | ( c1_1 @ U ) | 
% 6.56/1.53        ( c0_1 @ U ) | ( ~( ndr1_0 ) ) | ( ~( c3_1 @ U ) ) ))).
% 6.56/1.53  thf(zf_stmt_18, negated_conjecture,
% 6.56/1.53    (( c3_1 @ V ) | ( c1_1 @ V ) | ( c0_1 @ V ) | ( c1_1 @ U ) | 
% 6.56/1.53     ( c0_1 @ U ) | ( ~( ndr1_0 ) ) | ( ~( c3_1 @ U ) )),
% 6.56/1.53    inference('cnf.neg', [status(esa)], [clause150])).
% 6.56/1.53  thf(zip_derived_cl149, plain,
% 6.56/1.53      (![X0 : $i, X1 : $i]:
% 6.56/1.53         ( (c3_1 @ X0)
% 6.56/1.53          |  (c1_1 @ X0)
% 6.56/1.53          |  (c0_1 @ X0)
% 6.56/1.53          |  (c1_1 @ X1)
% 6.56/1.53          |  (c0_1 @ X1)
% 6.56/1.53          | ~ (ndr1_0)
% 6.56/1.53          | ~ (c3_1 @ X1))),
% 6.56/1.53      inference('cnf', [status(esa)], [zf_stmt_18])).
% 6.56/1.53  thf(zip_derived_cl526, plain,
% 6.56/1.53      ((![X1 : $i]: (~ (c3_1 @ X1) |  (c1_1 @ X1) |  (c0_1 @ X1)))
% 6.56/1.53         <= ((![X1 : $i]: (~ (c3_1 @ X1) |  (c1_1 @ X1) |  (c0_1 @ X1))))),
% 6.56/1.53      inference('split', [status(esa)], [zip_derived_cl149])).
% 6.56/1.53  thf(clause121, conjecture, (~( ( ~( hskp4 ) ) | ( ~( c0_1 @ a821 ) ) ))).
% 6.56/1.53  thf(zf_stmt_19, negated_conjecture, (( ~( hskp4 ) ) | ( ~( c0_1 @ a821 ) )),
% 6.56/1.53    inference('cnf.neg', [status(esa)], [clause121])).
% 6.56/1.53  thf(zip_derived_cl120, plain, ((~ (hskp4) | ~ (c0_1 @ a821))),
% 6.56/1.53      inference('cnf', [status(esa)], [zf_stmt_19])).
% 6.56/1.53  thf(zip_derived_cl427, plain, ((~ (c0_1 @ a821)) <= (~ ( (c0_1 @ a821)))),
% 6.56/1.53      inference('split', [status(esa)], [zip_derived_cl120])).
% 6.56/1.53  thf(zip_derived_cl1837, plain,
% 6.56/1.53      ((( (c1_1 @ a821) | ~ (c3_1 @ a821)))
% 6.56/1.53         <= (~ ( (c0_1 @ a821)) & 
% 6.56/1.53             (![X1 : $i]: (~ (c3_1 @ X1) |  (c1_1 @ X1) |  (c0_1 @ X1))))),
% 6.56/1.53      inference('s_sup-', [status(thm)], [zip_derived_cl526, zip_derived_cl427])).
% 6.56/1.53  thf('14', plain,
% 6.56/1.53      (~ ( (c3_1 @ a821)) | 
% 6.56/1.53       ~ (![X1 : $i]: (~ (c3_1 @ X1) |  (c1_1 @ X1) |  (c0_1 @ X1))) | 
% 6.56/1.53       ( (c0_1 @ a821)) | ( (c1_1 @ a821))),
% 6.56/1.53      inference('split', [status(esa)], [zip_derived_cl1837])).
% 6.56/1.53  thf(zip_derived_cl554, plain,
% 6.56/1.53      ((![X0 : $i]: ( (c3_1 @ X0) | ~ (c2_1 @ X0) |  (c0_1 @ X0)))
% 6.56/1.53         <= ((![X0 : $i]: ( (c3_1 @ X0) | ~ (c2_1 @ X0) |  (c0_1 @ X0))))),
% 6.56/1.53      inference('split', [status(esa)], [zip_derived_cl156])).
% 6.56/1.53  thf(zip_derived_cl427, plain, ((~ (c0_1 @ a821)) <= (~ ( (c0_1 @ a821)))),
% 6.56/1.53      inference('split', [status(esa)], [zip_derived_cl120])).
% 6.56/1.53  thf(zip_derived_cl2019, plain,
% 6.56/1.53      (((~ (c2_1 @ a821) |  (c3_1 @ a821)))
% 6.56/1.53         <= (~ ( (c0_1 @ a821)) & 
% 6.56/1.53             (![X0 : $i]: ( (c3_1 @ X0) | ~ (c2_1 @ X0) |  (c0_1 @ X0))))),
% 6.56/1.53      inference('s_sup-', [status(thm)], [zip_derived_cl554, zip_derived_cl427])).
% 6.56/1.53  thf('15', plain,
% 6.56/1.53      (~ (![X0 : $i]: ( (c3_1 @ X0) | ~ (c2_1 @ X0) |  (c0_1 @ X0))) | 
% 6.56/1.53       ( (c3_1 @ a821)) | ( (c0_1 @ a821)) | ~ ( (c2_1 @ a821))),
% 6.56/1.53      inference('split', [status(esa)], [zip_derived_cl2019])).
% 6.56/1.53  thf(zip_derived_cl450, plain,
% 6.56/1.53      ((![X0 : $i]: ( (c3_1 @ X0) |  (c2_1 @ X0) |  (c0_1 @ X0)))
% 6.56/1.53         <= ((![X0 : $i]: ( (c3_1 @ X0) |  (c2_1 @ X0) |  (c0_1 @ X0))))),
% 6.56/1.53      inference('split', [status(esa)], [zip_derived_cl130])).
% 6.56/1.53  thf(clause90, conjecture, (~( ( ~( hskp22 ) ) | ( ~( c0_1 @ a860 ) ) ))).
% 6.56/1.53  thf(zf_stmt_20, negated_conjecture, (( ~( hskp22 ) ) | ( ~( c0_1 @ a860 ) )),
% 6.56/1.53    inference('cnf.neg', [status(esa)], [clause90])).
% 6.56/1.53  thf(zip_derived_cl89, plain, ((~ (hskp22) | ~ (c0_1 @ a860))),
% 6.56/1.53      inference('cnf', [status(esa)], [zf_stmt_20])).
% 6.56/1.53  thf(zip_derived_cl365, plain, ((~ (c0_1 @ a860)) <= (~ ( (c0_1 @ a860)))),
% 6.56/1.53      inference('split', [status(esa)], [zip_derived_cl89])).
% 6.56/1.53  thf(zip_derived_cl1128, plain,
% 6.56/1.53      ((( (c2_1 @ a860) |  (c3_1 @ a860)))
% 6.56/1.53         <= (~ ( (c0_1 @ a860)) & 
% 6.56/1.53             (![X0 : $i]: ( (c3_1 @ X0) |  (c2_1 @ X0) |  (c0_1 @ X0))))),
% 6.56/1.53      inference('s_sup-', [status(thm)], [zip_derived_cl450, zip_derived_cl365])).
% 6.56/1.53  thf('16', plain,
% 6.56/1.53      (~ (![X0 : $i]: ( (c3_1 @ X0) |  (c2_1 @ X0) |  (c0_1 @ X0))) | 
% 6.56/1.53       ( (c3_1 @ a860)) | ( (c2_1 @ a860)) | ( (c0_1 @ a860))),
% 6.56/1.53      inference('split', [status(esa)], [zip_derived_cl1128])).
% 6.56/1.53  thf(clause45, conjecture, (~( ( c0_1 @ a826 ) | ( ~( hskp27 ) ) ))).
% 6.56/1.53  thf(zf_stmt_21, negated_conjecture, (( c0_1 @ a826 ) | ( ~( hskp27 ) )),
% 6.56/1.53    inference('cnf.neg', [status(esa)], [clause45])).
% 6.56/1.53  thf(zip_derived_cl44, plain, (( (c0_1 @ a826) | ~ (hskp27))),
% 6.56/1.53      inference('cnf', [status(esa)], [zf_stmt_21])).
% 6.56/1.53  thf(zip_derived_cl275, plain, (( (c0_1 @ a826)) <= (( (c0_1 @ a826)))),
% 6.56/1.53      inference('split', [status(esa)], [zip_derived_cl44])).
% 6.56/1.53  thf(zip_derived_cl518, plain,
% 6.56/1.53      ((![X0 : $i]: (~ (c3_1 @ X0) | ~ (c2_1 @ X0) | ~ (c0_1 @ X0)))
% 6.56/1.53         <= ((![X0 : $i]: (~ (c3_1 @ X0) | ~ (c2_1 @ X0) | ~ (c0_1 @ X0))))),
% 6.56/1.53      inference('split', [status(esa)], [zip_derived_cl147])).
% 6.56/1.53  thf(zip_derived_cl709, plain,
% 6.56/1.53      (((~ (c3_1 @ a826) | ~ (c2_1 @ a826)))
% 6.56/1.53         <= (( (c0_1 @ a826)) & 
% 6.56/1.53             (![X0 : $i]: (~ (c3_1 @ X0) | ~ (c2_1 @ X0) | ~ (c0_1 @ X0))))),
% 6.56/1.53      inference('s_sup-', [status(thm)], [zip_derived_cl275, zip_derived_cl518])).
% 6.56/1.53  thf('17', plain,
% 6.56/1.53      (~ (![X0 : $i]: (~ (c3_1 @ X0) | ~ (c2_1 @ X0) | ~ (c0_1 @ X0))) | 
% 6.56/1.53       ~ ( (c0_1 @ a826)) | ~ ( (c3_1 @ a826)) | ~ ( (c2_1 @ a826))),
% 6.56/1.53      inference('split', [status(esa)], [zip_derived_cl709])).
% 6.56/1.53  thf(clause46, conjecture, (~( ( c2_1 @ a826 ) | ( ~( hskp27 ) ) ))).
% 6.56/1.53  thf(zf_stmt_22, negated_conjecture, (( c2_1 @ a826 ) | ( ~( hskp27 ) )),
% 6.56/1.53    inference('cnf.neg', [status(esa)], [clause46])).
% 6.56/1.53  thf(zip_derived_cl45, plain, (( (c2_1 @ a826) | ~ (hskp27))),
% 6.56/1.53      inference('cnf', [status(esa)], [zf_stmt_22])).
% 6.56/1.53  thf(zip_derived_cl277, plain, (( (c2_1 @ a826)) <= (( (c2_1 @ a826)))),
% 6.56/1.53      inference('split', [status(esa)], [zip_derived_cl45])).
% 6.56/1.53  thf(zip_derived_cl613, plain,
% 6.56/1.53      ((![X1 : $i]: (~ (c3_1 @ X1) | ~ (c2_1 @ X1) | ~ (c1_1 @ X1)))
% 6.56/1.53         <= ((![X1 : $i]: (~ (c3_1 @ X1) | ~ (c2_1 @ X1) | ~ (c1_1 @ X1))))),
% 6.56/1.53      inference('split', [status(esa)], [zip_derived_cl171])).
% 6.56/1.53  thf(zip_derived_cl721, plain,
% 6.56/1.53      (((~ (c3_1 @ a826) | ~ (c1_1 @ a826)))
% 6.56/1.53         <= (( (c2_1 @ a826)) & 
% 6.56/1.53             (![X1 : $i]: (~ (c3_1 @ X1) | ~ (c2_1 @ X1) | ~ (c1_1 @ X1))))),
% 6.56/1.53      inference('s_sup-', [status(thm)], [zip_derived_cl277, zip_derived_cl613])).
% 6.56/1.53  thf('18', plain,
% 6.56/1.53      (~ (![X1 : $i]: (~ (c3_1 @ X1) | ~ (c2_1 @ X1) | ~ (c1_1 @ X1))) | 
% 6.56/1.53       ~ ( (c1_1 @ a826)) | ~ ( (c2_1 @ a826)) | ~ ( (c3_1 @ a826))),
% 6.56/1.53      inference('split', [status(esa)], [zip_derived_cl721])).
% 6.56/1.53  thf(clause174, conjecture,
% 6.56/1.53    (~( ( c3_1 @ W ) | ( c2_1 @ W ) | ( c1_1 @ W ) | ( c2_1 @ V ) | 
% 6.56/1.53        ( c1_1 @ V ) | ( ~( c0_1 @ V ) ) | ( ~( ndr1_0 ) ) | 
% 6.56/1.53        ( ~( c3_1 @ U ) ) | ( ~( c2_1 @ U ) ) | ( ~( c1_1 @ U ) ) ))).
% 6.56/1.53  thf(zf_stmt_23, negated_conjecture,
% 6.56/1.53    (( c3_1 @ W ) | ( c2_1 @ W ) | ( c1_1 @ W ) | ( c2_1 @ V ) | 
% 6.56/1.53     ( c1_1 @ V ) | ( ~( c0_1 @ V ) ) | ( ~( ndr1_0 ) ) | ( ~( c3_1 @ U ) ) | 
% 6.56/1.53     ( ~( c2_1 @ U ) ) | ( ~( c1_1 @ U ) )),
% 6.56/1.53    inference('cnf.neg', [status(esa)], [clause174])).
% 6.56/1.53  thf(zip_derived_cl173, plain,
% 6.56/1.53      (![X0 : $i, X1 : $i, X2 : $i]:
% 6.56/1.53         ( (c3_1 @ X0)
% 6.56/1.53          |  (c2_1 @ X0)
% 6.56/1.53          |  (c1_1 @ X0)
% 6.56/1.53          |  (c2_1 @ X1)
% 6.56/1.53          |  (c1_1 @ X1)
% 6.56/1.53          | ~ (c0_1 @ X1)
% 6.56/1.53          | ~ (ndr1_0)
% 6.56/1.53          | ~ (c3_1 @ X2)
% 6.56/1.53          | ~ (c2_1 @ X2)
% 6.56/1.53          | ~ (c1_1 @ X2))),
% 6.56/1.53      inference('cnf', [status(esa)], [zf_stmt_23])).
% 6.56/1.53  thf('19', plain,
% 6.56/1.53      ((![X1 : $i]: ( (c2_1 @ X1) |  (c1_1 @ X1) | ~ (c0_1 @ X1))) | 
% 6.56/1.53       (![X1 : $i]: (~ (c3_1 @ X1) | ~ (c2_1 @ X1) | ~ (c1_1 @ X1))) | 
% 6.56/1.53       ~ ( (ndr1_0)) | 
% 6.56/1.53       (![X0 : $i]: ( (c3_1 @ X0) |  (c2_1 @ X0) |  (c1_1 @ X0)))),
% 6.56/1.53      inference('split', [status(esa)], [zip_derived_cl173])).
% 6.56/1.53  thf(clause168, conjecture,
% 6.56/1.53    (~( ( hskp19 ) | ( c1_1 @ V ) | ( c2_1 @ U ) | ( ~( c2_1 @ V ) ) | 
% 6.56/1.53        ( ~( c0_1 @ V ) ) | ( ~( ndr1_0 ) ) | ( ~( c1_1 @ U ) ) | 
% 6.56/1.53        ( ~( c0_1 @ U ) ) ))).
% 6.56/1.53  thf(zf_stmt_24, negated_conjecture,
% 6.56/1.53    (( hskp19 ) | ( c1_1 @ V ) | ( c2_1 @ U ) | ( ~( c2_1 @ V ) ) | 
% 6.56/1.53     ( ~( c0_1 @ V ) ) | ( ~( ndr1_0 ) ) | ( ~( c1_1 @ U ) ) | 
% 6.56/1.53     ( ~( c0_1 @ U ) )),
% 6.56/1.53    inference('cnf.neg', [status(esa)], [clause168])).
% 6.56/1.53  thf(zip_derived_cl167, plain,
% 6.56/1.53      (![X0 : $i, X1 : $i]:
% 6.56/1.53         ( (hskp19)
% 6.56/1.53          |  (c1_1 @ X0)
% 6.56/1.53          |  (c2_1 @ X1)
% 6.56/1.53          | ~ (c2_1 @ X0)
% 6.56/1.53          | ~ (c0_1 @ X0)
% 6.56/1.53          | ~ (ndr1_0)
% 6.56/1.53          | ~ (c1_1 @ X1)
% 6.56/1.53          | ~ (c0_1 @ X1))),
% 6.56/1.53      inference('cnf', [status(esa)], [zf_stmt_24])).
% 6.56/1.53  thf(zip_derived_cl598, plain,
% 6.56/1.53      ((![X0 : $i]: (~ (c2_1 @ X0) |  (c1_1 @ X0) | ~ (c0_1 @ X0)))
% 6.56/1.53         <= ((![X0 : $i]: (~ (c2_1 @ X0) |  (c1_1 @ X0) | ~ (c0_1 @ X0))))),
% 6.56/1.53      inference('split', [status(esa)], [zip_derived_cl167])).
% 6.56/1.53  thf(clause54, conjecture, (~( ( c0_1 @ a862 ) | ( ~( hskp23 ) ) ))).
% 6.56/1.53  thf(zf_stmt_25, negated_conjecture, (( c0_1 @ a862 ) | ( ~( hskp23 ) )),
% 6.56/1.53    inference('cnf.neg', [status(esa)], [clause54])).
% 6.56/1.53  thf(zip_derived_cl53, plain, (( (c0_1 @ a862) | ~ (hskp23))),
% 6.56/1.53      inference('cnf', [status(esa)], [zf_stmt_25])).
% 6.56/1.53  thf(zip_derived_cl293, plain, (( (c0_1 @ a862)) <= (( (c0_1 @ a862)))),
% 6.56/1.53      inference('split', [status(esa)], [zip_derived_cl53])).
% 6.56/1.53  thf(zip_derived_cl1196, plain,
% 6.56/1.53      ((( (c1_1 @ a862) | ~ (c2_1 @ a862)))
% 6.56/1.53         <= (( (c0_1 @ a862)) & 
% 6.56/1.53             (![X0 : $i]: (~ (c2_1 @ X0) |  (c1_1 @ X0) | ~ (c0_1 @ X0))))),
% 6.56/1.53      inference('s_sup+', [status(thm)], [zip_derived_cl598, zip_derived_cl293])).
% 6.56/1.53  thf('20', plain,
% 6.56/1.53      (~ (![X0 : $i]: (~ (c2_1 @ X0) |  (c1_1 @ X0) | ~ (c0_1 @ X0))) | 
% 6.56/1.53       ~ ( (c2_1 @ a862)) | ( (c1_1 @ a862)) | ~ ( (c0_1 @ a862))),
% 6.56/1.53      inference('split', [status(esa)], [zip_derived_cl1196])).
% 6.56/1.53  thf(zip_derived_cl502, plain,
% 6.56/1.53      ((![X0 : $i]: ( (c2_1 @ X0) | ~ (c1_1 @ X0) | ~ (c0_1 @ X0)))
% 6.56/1.53         <= ((![X0 : $i]: ( (c2_1 @ X0) | ~ (c1_1 @ X0) | ~ (c0_1 @ X0))))),
% 6.56/1.53      inference('split', [status(esa)], [zip_derived_cl143])).
% 6.56/1.53  thf(zip_derived_cl293, plain, (( (c0_1 @ a862)) <= (( (c0_1 @ a862)))),
% 6.56/1.53      inference('split', [status(esa)], [zip_derived_cl53])).
% 6.56/1.53  thf(zip_derived_cl926, plain,
% 6.56/1.53      (((~ (c1_1 @ a862) |  (c2_1 @ a862)))
% 6.56/1.53         <= (( (c0_1 @ a862)) & 
% 6.56/1.53             (![X0 : $i]: ( (c2_1 @ X0) | ~ (c1_1 @ X0) | ~ (c0_1 @ X0))))),
% 6.56/1.53      inference('s_sup+', [status(thm)], [zip_derived_cl502, zip_derived_cl293])).
% 6.56/1.53  thf(zip_derived_cl2931, plain, (( (c2_1 @ a862)) <= (( (c2_1 @ a862)))),
% 6.56/1.53      inference('split', [status(esa)], [zip_derived_cl926])).
% 6.56/1.53  thf(clause143, conjecture,
% 6.56/1.53    (~( ( hskp22 ) | ( hskp14 ) | ( c1_1 @ U ) | ( ~( ndr1_0 ) ) | 
% 6.56/1.53        ( ~( c3_1 @ U ) ) | ( ~( c2_1 @ U ) ) ))).
% 6.56/1.53  thf(zf_stmt_26, negated_conjecture,
% 6.56/1.53    (( hskp22 ) | ( hskp14 ) | ( c1_1 @ U ) | ( ~( ndr1_0 ) ) | 
% 6.56/1.53     ( ~( c3_1 @ U ) ) | ( ~( c2_1 @ U ) )),
% 6.56/1.53    inference('cnf.neg', [status(esa)], [clause143])).
% 6.56/1.53  thf(zip_derived_cl142, plain,
% 6.56/1.53      (![X0 : $i]:
% 6.56/1.53         ( (hskp22)
% 6.56/1.53          |  (hskp14)
% 6.56/1.53          |  (c1_1 @ X0)
% 6.56/1.53          | ~ (ndr1_0)
% 6.56/1.53          | ~ (c3_1 @ X0)
% 6.56/1.53          | ~ (c2_1 @ X0))),
% 6.56/1.53      inference('cnf', [status(esa)], [zf_stmt_26])).
% 6.56/1.53  thf(zip_derived_cl498, plain,
% 6.56/1.53      ((![X0 : $i]: (~ (c3_1 @ X0) | ~ (c2_1 @ X0) |  (c1_1 @ X0)))
% 6.56/1.53         <= ((![X0 : $i]: (~ (c3_1 @ X0) | ~ (c2_1 @ X0) |  (c1_1 @ X0))))),
% 6.56/1.53      inference('split', [status(esa)], [zip_derived_cl142])).
% 6.56/1.53  thf(zip_derived_cl2933, plain,
% 6.56/1.53      (((~ (c3_1 @ a862) |  (c1_1 @ a862)))
% 6.56/1.53         <= ((![X0 : $i]: (~ (c3_1 @ X0) | ~ (c2_1 @ X0) |  (c1_1 @ X0))) & 
% 6.56/1.53             ( (c2_1 @ a862)))),
% 6.56/1.53      inference('s_sup-', [status(thm)],
% 6.56/1.53                [zip_derived_cl2931, zip_derived_cl498])).
% 6.56/1.53  thf('21', plain,
% 6.56/1.53      (~ (![X0 : $i]: (~ (c3_1 @ X0) | ~ (c2_1 @ X0) |  (c1_1 @ X0))) | 
% 6.56/1.53       ~ ( (c2_1 @ a862)) | ( (c1_1 @ a862)) | ~ ( (c3_1 @ a862))),
% 6.56/1.53      inference('split', [status(esa)], [zip_derived_cl2933])).
% 6.56/1.53  thf(zip_derived_cl529, plain,
% 6.56/1.53      ((![X1 : $i]: ( (c2_1 @ X1) |  (c1_1 @ X1) | ~ (c0_1 @ X1)))
% 6.56/1.53         <= ((![X1 : $i]: ( (c2_1 @ X1) |  (c1_1 @ X1) | ~ (c0_1 @ X1))))),
% 6.56/1.53      inference('split', [status(esa)], [zip_derived_cl150])).
% 6.56/1.53  thf(zip_derived_cl293, plain, (( (c0_1 @ a862)) <= (( (c0_1 @ a862)))),
% 6.56/1.53      inference('split', [status(esa)], [zip_derived_cl53])).
% 6.56/1.53  thf(zip_derived_cl1592, plain,
% 6.56/1.53      ((( (c1_1 @ a862) |  (c2_1 @ a862)))
% 6.56/1.53         <= (( (c0_1 @ a862)) & 
% 6.56/1.53             (![X1 : $i]: ( (c2_1 @ X1) |  (c1_1 @ X1) | ~ (c0_1 @ X1))))),
% 6.56/1.53      inference('s_sup+', [status(thm)], [zip_derived_cl529, zip_derived_cl293])).
% 6.56/1.53  thf('22', plain,
% 6.56/1.53      (( (c2_1 @ a862)) | ( (c1_1 @ a862)) | 
% 6.56/1.53       ~ (![X1 : $i]: ( (c2_1 @ X1) |  (c1_1 @ X1) | ~ (c0_1 @ X1))) | 
% 6.56/1.53       ~ ( (c0_1 @ a862))),
% 6.56/1.53      inference('split', [status(esa)], [zip_derived_cl1592])).
% 6.56/1.53  thf(clause155, conjecture,
% 6.56/1.53    (~( ( hskp2 ) | ( c1_1 @ V ) | ( c0_1 @ V ) | ( c2_1 @ U ) | 
% 6.56/1.53        ( c1_1 @ U ) | ( ~( c3_1 @ V ) ) | ( ~( ndr1_0 ) ) | ( ~( c3_1 @ U ) ) ))).
% 6.56/1.53  thf(zf_stmt_27, negated_conjecture,
% 6.56/1.53    (( hskp2 ) | ( c1_1 @ V ) | ( c0_1 @ V ) | ( c2_1 @ U ) | ( c1_1 @ U ) | 
% 6.56/1.53     ( ~( c3_1 @ V ) ) | ( ~( ndr1_0 ) ) | ( ~( c3_1 @ U ) )),
% 6.56/1.53    inference('cnf.neg', [status(esa)], [clause155])).
% 6.56/1.53  thf(zip_derived_cl154, plain,
% 6.56/1.53      (![X0 : $i, X1 : $i]:
% 6.56/1.53         ( (hskp2)
% 6.56/1.53          |  (c1_1 @ X0)
% 6.56/1.53          |  (c0_1 @ X0)
% 6.56/1.53          |  (c2_1 @ X1)
% 6.56/1.53          |  (c1_1 @ X1)
% 6.56/1.53          | ~ (c3_1 @ X0)
% 6.56/1.53          | ~ (ndr1_0)
% 6.56/1.53          | ~ (c3_1 @ X1))),
% 6.56/1.53      inference('cnf', [status(esa)], [zf_stmt_27])).
% 6.56/1.53  thf(zip_derived_cl545, plain,
% 6.56/1.53      ((![X1 : $i]: (~ (c3_1 @ X1) |  (c2_1 @ X1) |  (c1_1 @ X1)))
% 6.56/1.53         <= ((![X1 : $i]: (~ (c3_1 @ X1) |  (c2_1 @ X1) |  (c1_1 @ X1))))),
% 6.56/1.53      inference('split', [status(esa)], [zip_derived_cl154])).
% 6.56/1.53  thf(zip_derived_cl293, plain, (( (c0_1 @ a862)) <= (( (c0_1 @ a862)))),
% 6.56/1.53      inference('split', [status(esa)], [zip_derived_cl53])).
% 6.56/1.53  thf(zip_derived_cl518, plain,
% 6.56/1.53      ((![X0 : $i]: (~ (c3_1 @ X0) | ~ (c2_1 @ X0) | ~ (c0_1 @ X0)))
% 6.56/1.53         <= ((![X0 : $i]: (~ (c3_1 @ X0) | ~ (c2_1 @ X0) | ~ (c0_1 @ X0))))),
% 6.56/1.53      inference('split', [status(esa)], [zip_derived_cl147])).
% 6.56/1.53  thf(zip_derived_cl751, plain,
% 6.56/1.53      (((~ (c3_1 @ a862) | ~ (c2_1 @ a862)))
% 6.56/1.53         <= (( (c0_1 @ a862)) & 
% 6.56/1.53             (![X0 : $i]: (~ (c3_1 @ X0) | ~ (c2_1 @ X0) | ~ (c0_1 @ X0))))),
% 6.56/1.53      inference('s_sup-', [status(thm)], [zip_derived_cl293, zip_derived_cl518])).
% 6.56/1.53  thf(zip_derived_cl769, plain, ((~ (c2_1 @ a862)) <= (~ ( (c2_1 @ a862)))),
% 6.56/1.53      inference('split', [status(esa)], [zip_derived_cl751])).
% 6.56/1.53  thf(zip_derived_cl1922, plain,
% 6.56/1.53      ((( (c1_1 @ a862) | ~ (c3_1 @ a862)))
% 6.56/1.53         <= (~ ( (c2_1 @ a862)) & 
% 6.56/1.53             (![X1 : $i]: (~ (c3_1 @ X1) |  (c2_1 @ X1) |  (c1_1 @ X1))))),
% 6.56/1.53      inference('s_sup-', [status(thm)], [zip_derived_cl545, zip_derived_cl769])).
% 6.56/1.53  thf('23', plain,
% 6.56/1.53      (( (c2_1 @ a862)) | ( (c1_1 @ a862)) | 
% 6.56/1.53       ~ (![X1 : $i]: (~ (c3_1 @ X1) |  (c2_1 @ X1) |  (c1_1 @ X1))) | 
% 6.56/1.53       ~ ( (c3_1 @ a862))),
% 6.56/1.53      inference('split', [status(esa)], [zip_derived_cl1922])).
% 6.56/1.53  thf(clause142, conjecture,
% 6.56/1.53    (~( ( hskp13 ) | ( hskp21 ) | ( c1_1 @ U ) | ( ~( ndr1_0 ) ) | 
% 6.56/1.53        ( ~( c3_1 @ U ) ) | ( ~( c0_1 @ U ) ) ))).
% 6.56/1.53  thf(zf_stmt_28, negated_conjecture,
% 6.56/1.53    (( hskp13 ) | ( hskp21 ) | ( c1_1 @ U ) | ( ~( ndr1_0 ) ) | 
% 6.56/1.53     ( ~( c3_1 @ U ) ) | ( ~( c0_1 @ U ) )),
% 6.56/1.53    inference('cnf.neg', [status(esa)], [clause142])).
% 6.56/1.53  thf(zip_derived_cl141, plain,
% 6.56/1.53      (![X0 : $i]:
% 6.56/1.53         ( (hskp13)
% 6.56/1.53          |  (hskp21)
% 6.56/1.53          |  (c1_1 @ X0)
% 6.56/1.53          | ~ (ndr1_0)
% 6.56/1.53          | ~ (c3_1 @ X0)
% 6.56/1.53          | ~ (c0_1 @ X0))),
% 6.56/1.53      inference('cnf', [status(esa)], [zf_stmt_28])).
% 6.56/1.53  thf(zip_derived_cl494, plain,
% 6.56/1.53      ((![X0 : $i]: (~ (c3_1 @ X0) |  (c1_1 @ X0) | ~ (c0_1 @ X0)))
% 6.56/1.53         <= ((![X0 : $i]: (~ (c3_1 @ X0) |  (c1_1 @ X0) | ~ (c0_1 @ X0))))),
% 6.56/1.53      inference('split', [status(esa)], [zip_derived_cl141])).
% 6.56/1.53  thf(zip_derived_cl293, plain, (( (c0_1 @ a862)) <= (( (c0_1 @ a862)))),
% 6.56/1.53      inference('split', [status(esa)], [zip_derived_cl53])).
% 6.56/1.53  thf(zip_derived_cl878, plain,
% 6.56/1.53      ((( (c1_1 @ a862) | ~ (c3_1 @ a862)))
% 6.56/1.53         <= (( (c0_1 @ a862)) & 
% 6.56/1.53             (![X0 : $i]: (~ (c3_1 @ X0) |  (c1_1 @ X0) | ~ (c0_1 @ X0))))),
% 6.56/1.53      inference('s_sup+', [status(thm)], [zip_derived_cl494, zip_derived_cl293])).
% 6.56/1.53  thf('24', plain,
% 6.56/1.53      (~ (![X0 : $i]: (~ (c3_1 @ X0) |  (c1_1 @ X0) | ~ (c0_1 @ X0))) | 
% 6.56/1.53       ~ ( (c0_1 @ a862)) | ( (c1_1 @ a862)) | ~ ( (c3_1 @ a862))),
% 6.56/1.53      inference('split', [status(esa)], [zip_derived_cl878])).
% 6.56/1.53  thf('25', plain, (( (c0_1 @ a862)) | ~ ( (hskp23))),
% 6.56/1.53      inference('split', [status(esa)], [zip_derived_cl53])).
% 6.56/1.53  thf(clause55, conjecture, (~( ( c3_1 @ a862 ) | ( ~( hskp23 ) ) ))).
% 6.56/1.53  thf(zf_stmt_29, negated_conjecture, (( c3_1 @ a862 ) | ( ~( hskp23 ) )),
% 6.56/1.53    inference('cnf.neg', [status(esa)], [clause55])).
% 6.56/1.53  thf(zip_derived_cl54, plain, (( (c3_1 @ a862) | ~ (hskp23))),
% 6.56/1.53      inference('cnf', [status(esa)], [zf_stmt_29])).
% 6.56/1.53  thf('26', plain, (( (c3_1 @ a862)) | ~ ( (hskp23))),
% 6.56/1.53      inference('split', [status(esa)], [zip_derived_cl54])).
% 6.56/1.53  thf(clause89, conjecture, (~( ( ~( hskp23 ) ) | ( ~( c1_1 @ a862 ) ) ))).
% 6.56/1.53  thf(zf_stmt_30, negated_conjecture, (( ~( hskp23 ) ) | ( ~( c1_1 @ a862 ) )),
% 6.56/1.53    inference('cnf.neg', [status(esa)], [clause89])).
% 6.56/1.53  thf(zip_derived_cl88, plain, ((~ (hskp23) | ~ (c1_1 @ a862))),
% 6.56/1.53      inference('cnf', [status(esa)], [zf_stmt_30])).
% 6.56/1.53  thf('27', plain, (~ ( (c1_1 @ a862)) | ~ ( (hskp23))),
% 6.56/1.53      inference('split', [status(esa)], [zip_derived_cl88])).
% 6.56/1.53  thf(clause165, conjecture,
% 6.56/1.53    (~( ( hskp23 ) | ( c3_1 @ V ) | ( c2_1 @ V ) | ( c2_1 @ U ) | 
% 6.56/1.53        ( ~( c1_1 @ V ) ) | ( ~( ndr1_0 ) ) | ( ~( c3_1 @ U ) ) | 
% 6.56/1.53        ( ~( c0_1 @ U ) ) ))).
% 6.56/1.53  thf(zf_stmt_31, negated_conjecture,
% 6.56/1.53    (( hskp23 ) | ( c3_1 @ V ) | ( c2_1 @ V ) | ( c2_1 @ U ) | 
% 6.56/1.53     ( ~( c1_1 @ V ) ) | ( ~( ndr1_0 ) ) | ( ~( c3_1 @ U ) ) | 
% 6.56/1.53     ( ~( c0_1 @ U ) )),
% 6.56/1.53    inference('cnf.neg', [status(esa)], [clause165])).
% 6.56/1.53  thf(zip_derived_cl164, plain,
% 6.56/1.53      (![X0 : $i, X1 : $i]:
% 6.56/1.53         ( (hskp23)
% 6.56/1.53          |  (c3_1 @ X0)
% 6.56/1.53          |  (c2_1 @ X0)
% 6.56/1.53          |  (c2_1 @ X1)
% 6.56/1.53          | ~ (c1_1 @ X0)
% 6.56/1.53          | ~ (ndr1_0)
% 6.56/1.53          | ~ (c3_1 @ X1)
% 6.56/1.53          | ~ (c0_1 @ X1))),
% 6.56/1.53      inference('cnf', [status(esa)], [zf_stmt_31])).
% 6.56/1.53  thf('28', plain,
% 6.56/1.53      (( (hskp23)) | 
% 6.56/1.53       (![X0 : $i]: ( (c3_1 @ X0) |  (c2_1 @ X0) | ~ (c1_1 @ X0))) | 
% 6.56/1.53       ~ ( (ndr1_0)) | 
% 6.56/1.53       (![X1 : $i]: (~ (c3_1 @ X1) |  (c2_1 @ X1) | ~ (c0_1 @ X1)))),
% 6.56/1.53      inference('split', [status(esa)], [zip_derived_cl164])).
% 6.56/1.53  thf(clause156, conjecture,
% 6.56/1.53    (~( ( hskp8 ) | ( c2_1 @ V ) | ( c0_1 @ V ) | ( c3_1 @ U ) | 
% 6.56/1.53        ( c2_1 @ U ) | ( ~( c1_1 @ V ) ) | ( ~( ndr1_0 ) ) | ( ~( c0_1 @ U ) ) ))).
% 6.56/1.53  thf(zf_stmt_32, negated_conjecture,
% 6.56/1.53    (( hskp8 ) | ( c2_1 @ V ) | ( c0_1 @ V ) | ( c3_1 @ U ) | ( c2_1 @ U ) | 
% 6.56/1.53     ( ~( c1_1 @ V ) ) | ( ~( ndr1_0 ) ) | ( ~( c0_1 @ U ) )),
% 6.56/1.53    inference('cnf.neg', [status(esa)], [clause156])).
% 6.56/1.53  thf(zip_derived_cl155, plain,
% 6.56/1.53      (![X0 : $i, X1 : $i]:
% 6.56/1.53         ( (hskp8)
% 6.56/1.53          |  (c2_1 @ X0)
% 6.56/1.53          |  (c0_1 @ X0)
% 6.56/1.53          |  (c3_1 @ X1)
% 6.56/1.53          |  (c2_1 @ X1)
% 6.56/1.53          | ~ (c1_1 @ X0)
% 6.56/1.53          | ~ (ndr1_0)
% 6.56/1.53          | ~ (c0_1 @ X1))),
% 6.56/1.53      inference('cnf', [status(esa)], [zf_stmt_32])).
% 6.56/1.53  thf(zip_derived_cl550, plain,
% 6.56/1.53      ((![X0 : $i]: ( (c2_1 @ X0) | ~ (c1_1 @ X0) |  (c0_1 @ X0)))
% 6.56/1.53         <= ((![X0 : $i]: ( (c2_1 @ X0) | ~ (c1_1 @ X0) |  (c0_1 @ X0))))),
% 6.56/1.53      inference('split', [status(esa)], [zip_derived_cl155])).
% 6.56/1.53  thf(clause87, conjecture, (~( ( ~( hskp24 ) ) | ( ~( c0_1 @ a878 ) ) ))).
% 6.56/1.53  thf(zf_stmt_33, negated_conjecture, (( ~( hskp24 ) ) | ( ~( c0_1 @ a878 ) )),
% 6.56/1.53    inference('cnf.neg', [status(esa)], [clause87])).
% 6.56/1.53  thf(zip_derived_cl86, plain, ((~ (hskp24) | ~ (c0_1 @ a878))),
% 6.56/1.53      inference('cnf', [status(esa)], [zf_stmt_33])).
% 6.56/1.53  thf(zip_derived_cl359, plain, ((~ (c0_1 @ a878)) <= (~ ( (c0_1 @ a878)))),
% 6.56/1.53      inference('split', [status(esa)], [zip_derived_cl86])).
% 6.56/1.53  thf(zip_derived_cl1978, plain,
% 6.56/1.53      (((~ (c1_1 @ a878) |  (c2_1 @ a878)))
% 6.56/1.53         <= (~ ( (c0_1 @ a878)) & 
% 6.56/1.53             (![X0 : $i]: ( (c2_1 @ X0) | ~ (c1_1 @ X0) |  (c0_1 @ X0))))),
% 6.56/1.53      inference('s_sup-', [status(thm)], [zip_derived_cl550, zip_derived_cl359])).
% 6.56/1.53  thf('29', plain,
% 6.56/1.53      (( (c2_1 @ a878)) | ( (c0_1 @ a878)) | 
% 6.56/1.53       ~ (![X0 : $i]: ( (c2_1 @ X0) | ~ (c1_1 @ X0) |  (c0_1 @ X0))) | 
% 6.56/1.53       ~ ( (c1_1 @ a878))),
% 6.56/1.53      inference('split', [status(esa)], [zip_derived_cl1978])).
% 6.56/1.53  thf(zip_derived_cl462, plain,
% 6.56/1.53      ((![X0 : $i]: (~ (c3_1 @ X0) |  (c2_1 @ X0) |  (c0_1 @ X0)))
% 6.56/1.53         <= ((![X0 : $i]: (~ (c3_1 @ X0) |  (c2_1 @ X0) |  (c0_1 @ X0))))),
% 6.56/1.53      inference('split', [status(esa)], [zip_derived_cl133])).
% 6.56/1.53  thf(zip_derived_cl359, plain, ((~ (c0_1 @ a878)) <= (~ ( (c0_1 @ a878)))),
% 6.56/1.53      inference('split', [status(esa)], [zip_derived_cl86])).
% 6.56/1.53  thf(zip_derived_cl1294, plain,
% 6.56/1.53      ((( (c2_1 @ a878) | ~ (c3_1 @ a878)))
% 6.56/1.53         <= (~ ( (c0_1 @ a878)) & 
% 6.56/1.53             (![X0 : $i]: (~ (c3_1 @ X0) |  (c2_1 @ X0) |  (c0_1 @ X0))))),
% 6.56/1.53      inference('s_sup-', [status(thm)], [zip_derived_cl462, zip_derived_cl359])).
% 6.56/1.53  thf(zip_derived_cl4370, plain, (( (c2_1 @ a878)) <= (( (c2_1 @ a878)))),
% 6.56/1.53      inference('split', [status(esa)], [zip_derived_cl1294])).
% 6.56/1.53  thf(clause145, conjecture,
% 6.56/1.53    (~( ( hskp7 ) | ( hskp14 ) | ( c3_1 @ U ) | ( ~( ndr1_0 ) ) | 
% 6.56/1.53        ( ~( c2_1 @ U ) ) | ( ~( c1_1 @ U ) ) ))).
% 6.56/1.53  thf(zf_stmt_34, negated_conjecture,
% 6.56/1.53    (( hskp7 ) | ( hskp14 ) | ( c3_1 @ U ) | ( ~( ndr1_0 ) ) | 
% 6.56/1.53     ( ~( c2_1 @ U ) ) | ( ~( c1_1 @ U ) )),
% 6.56/1.53    inference('cnf.neg', [status(esa)], [clause145])).
% 6.56/1.53  thf(zip_derived_cl144, plain,
% 6.56/1.53      (![X0 : $i]:
% 6.56/1.53         ( (hskp7)
% 6.56/1.53          |  (hskp14)
% 6.56/1.53          |  (c3_1 @ X0)
% 6.56/1.53          | ~ (ndr1_0)
% 6.56/1.53          | ~ (c2_1 @ X0)
% 6.56/1.53          | ~ (c1_1 @ X0))),
% 6.56/1.53      inference('cnf', [status(esa)], [zf_stmt_34])).
% 6.56/1.53  thf(zip_derived_cl506, plain,
% 6.56/1.53      ((![X0 : $i]: ( (c3_1 @ X0) | ~ (c2_1 @ X0) | ~ (c1_1 @ X0)))
% 6.56/1.53         <= ((![X0 : $i]: ( (c3_1 @ X0) | ~ (c2_1 @ X0) | ~ (c1_1 @ X0))))),
% 6.56/1.53      inference('split', [status(esa)], [zip_derived_cl144])).
% 6.56/1.53  thf(zip_derived_cl4373, plain,
% 6.56/1.53      ((( (c3_1 @ a878) | ~ (c1_1 @ a878)))
% 6.56/1.53         <= ((![X0 : $i]: ( (c3_1 @ X0) | ~ (c2_1 @ X0) | ~ (c1_1 @ X0))) & 
% 6.56/1.53             ( (c2_1 @ a878)))),
% 6.56/1.53      inference('s_sup-', [status(thm)],
% 6.56/1.53                [zip_derived_cl4370, zip_derived_cl506])).
% 6.56/1.53  thf('30', plain,
% 6.56/1.53      (( (c3_1 @ a878)) | ~ ( (c2_1 @ a878)) | 
% 6.56/1.53       ~ (![X0 : $i]: ( (c3_1 @ X0) | ~ (c2_1 @ X0) | ~ (c1_1 @ X0))) | 
% 6.56/1.53       ~ ( (c1_1 @ a878))),
% 6.56/1.53      inference('split', [status(esa)], [zip_derived_cl4373])).
% 6.56/1.53  thf(clause176, conjecture,
% 6.56/1.53    (~( ( c2_1 @ W ) | ( c0_1 @ W ) | ( c2_1 @ V ) | ( c2_1 @ U ) | 
% 6.56/1.53        ( ~( c1_1 @ W ) ) | ( ~( c3_1 @ V ) ) | ( ~( c0_1 @ V ) ) | 
% 6.56/1.53        ( ~( ndr1_0 ) ) | ( ~( c3_1 @ U ) ) | ( ~( c1_1 @ U ) ) ))).
% 6.56/1.53  thf(zf_stmt_35, negated_conjecture,
% 6.56/1.53    (( c2_1 @ W ) | ( c0_1 @ W ) | ( c2_1 @ V ) | ( c2_1 @ U ) | 
% 6.56/1.53     ( ~( c1_1 @ W ) ) | ( ~( c3_1 @ V ) ) | ( ~( c0_1 @ V ) ) | 
% 6.56/1.53     ( ~( ndr1_0 ) ) | ( ~( c3_1 @ U ) ) | ( ~( c1_1 @ U ) )),
% 6.56/1.53    inference('cnf.neg', [status(esa)], [clause176])).
% 6.56/1.53  thf(zip_derived_cl175, plain,
% 6.56/1.53      (![X0 : $i, X1 : $i, X2 : $i]:
% 6.56/1.53         ( (c2_1 @ X0)
% 6.56/1.53          |  (c0_1 @ X0)
% 6.56/1.53          |  (c2_1 @ X1)
% 6.56/1.53          |  (c2_1 @ X2)
% 6.56/1.53          | ~ (c1_1 @ X0)
% 6.56/1.53          | ~ (c3_1 @ X1)
% 6.56/1.53          | ~ (c0_1 @ X1)
% 6.56/1.53          | ~ (ndr1_0)
% 6.56/1.53          | ~ (c3_1 @ X2)
% 6.56/1.53          | ~ (c1_1 @ X2))),
% 6.56/1.53      inference('cnf', [status(esa)], [zf_stmt_35])).
% 6.56/1.53  thf(zip_derived_cl629, plain,
% 6.56/1.53      ((![X2 : $i]: (~ (c3_1 @ X2) |  (c2_1 @ X2) | ~ (c1_1 @ X2)))
% 6.56/1.53         <= ((![X2 : $i]: (~ (c3_1 @ X2) |  (c2_1 @ X2) | ~ (c1_1 @ X2))))),
% 6.56/1.53      inference('split', [status(esa)], [zip_derived_cl175])).
% 6.56/1.53  thf(clause127, conjecture, (~( ( ~( hskp1 ) ) | ( ~( c2_1 @ a816 ) ) ))).
% 6.56/1.53  thf(zf_stmt_36, negated_conjecture, (( ~( hskp1 ) ) | ( ~( c2_1 @ a816 ) )),
% 6.56/1.53    inference('cnf.neg', [status(esa)], [clause127])).
% 6.56/1.53  thf(zip_derived_cl126, plain, ((~ (hskp1) | ~ (c2_1 @ a816))),
% 6.56/1.53      inference('cnf', [status(esa)], [zf_stmt_36])).
% 6.56/1.53  thf(zip_derived_cl439, plain, ((~ (c2_1 @ a816)) <= (~ ( (c2_1 @ a816)))),
% 6.56/1.53      inference('split', [status(esa)], [zip_derived_cl126])).
% 6.56/1.53  thf(zip_derived_cl1481, plain,
% 6.56/1.53      (((~ (c1_1 @ a816) | ~ (c3_1 @ a816)))
% 6.56/1.53         <= (~ ( (c2_1 @ a816)) & 
% 6.56/1.53             (![X2 : $i]: (~ (c3_1 @ X2) |  (c2_1 @ X2) | ~ (c1_1 @ X2))))),
% 6.56/1.53      inference('s_sup-', [status(thm)], [zip_derived_cl629, zip_derived_cl439])).
% 6.56/1.53  thf('31', plain,
% 6.56/1.53      (~ (![X2 : $i]: (~ (c3_1 @ X2) |  (c2_1 @ X2) | ~ (c1_1 @ X2))) | 
% 6.56/1.53       ~ ( (c1_1 @ a816)) | ~ ( (c3_1 @ a816)) | ( (c2_1 @ a816))),
% 6.56/1.53      inference('split', [status(esa)], [zip_derived_cl1481])).
% 6.56/1.53  thf(clause167, conjecture,
% 6.56/1.53    (~( ( hskp3 ) | ( c2_1 @ V ) | ( c1_1 @ V ) | ( ~( c3_1 @ V ) ) | 
% 6.56/1.53        ( ~( ndr1_0 ) ) | ( ~( c3_1 @ U ) ) | ( ~( c1_1 @ U ) ) | 
% 6.56/1.53        ( ~( c0_1 @ U ) ) ))).
% 6.56/1.53  thf(zf_stmt_37, negated_conjecture,
% 6.56/1.53    (( hskp3 ) | ( c2_1 @ V ) | ( c1_1 @ V ) | ( ~( c3_1 @ V ) ) | 
% 6.56/1.53     ( ~( ndr1_0 ) ) | ( ~( c3_1 @ U ) ) | ( ~( c1_1 @ U ) ) | 
% 6.56/1.53     ( ~( c0_1 @ U ) )),
% 6.56/1.53    inference('cnf.neg', [status(esa)], [clause167])).
% 6.56/1.53  thf(zip_derived_cl166, plain,
% 6.56/1.53      (![X0 : $i, X1 : $i]:
% 6.56/1.53         ( (hskp3)
% 6.56/1.53          |  (c2_1 @ X0)
% 6.56/1.53          |  (c1_1 @ X0)
% 6.56/1.53          | ~ (c3_1 @ X0)
% 6.56/1.53          | ~ (ndr1_0)
% 6.56/1.53          | ~ (c3_1 @ X1)
% 6.56/1.53          | ~ (c1_1 @ X1)
% 6.56/1.53          | ~ (c0_1 @ X1))),
% 6.56/1.53      inference('cnf', [status(esa)], [zf_stmt_37])).
% 6.56/1.53  thf('32', plain,
% 6.56/1.53      ((![X1 : $i]: (~ (c3_1 @ X1) |  (c2_1 @ X1) |  (c1_1 @ X1))) | 
% 6.56/1.53       ~ ( (ndr1_0)) | 
% 6.56/1.53       (![X1 : $i]: (~ (c3_1 @ X1) | ~ (c1_1 @ X1) | ~ (c0_1 @ X1))) | 
% 6.56/1.53       ( (hskp3))),
% 6.56/1.53      inference('split', [status(esa)], [zip_derived_cl166])).
% 6.56/1.53  thf(clause162, conjecture,
% 6.56/1.53    (~( ( hskp6 ) | ( c3_1 @ V ) | ( c0_1 @ V ) | ( c3_1 @ U ) | 
% 6.56/1.53        ( ~( c1_1 @ V ) ) | ( ~( ndr1_0 ) ) | ( ~( c2_1 @ U ) ) | 
% 6.56/1.53        ( ~( c0_1 @ U ) ) ))).
% 6.56/1.53  thf(zf_stmt_38, negated_conjecture,
% 6.56/1.53    (( hskp6 ) | ( c3_1 @ V ) | ( c0_1 @ V ) | ( c3_1 @ U ) | 
% 6.56/1.53     ( ~( c1_1 @ V ) ) | ( ~( ndr1_0 ) ) | ( ~( c2_1 @ U ) ) | 
% 6.56/1.53     ( ~( c0_1 @ U ) )),
% 6.56/1.53    inference('cnf.neg', [status(esa)], [clause162])).
% 6.56/1.53  thf(zip_derived_cl161, plain,
% 6.56/1.53      (![X0 : $i, X1 : $i]:
% 6.56/1.53         ( (hskp6)
% 6.56/1.53          |  (c3_1 @ X0)
% 6.56/1.53          |  (c0_1 @ X0)
% 6.56/1.53          |  (c3_1 @ X1)
% 6.56/1.53          | ~ (c1_1 @ X0)
% 6.56/1.53          | ~ (ndr1_0)
% 6.56/1.53          | ~ (c2_1 @ X1)
% 6.56/1.53          | ~ (c0_1 @ X1))),
% 6.56/1.53      inference('cnf', [status(esa)], [zf_stmt_38])).
% 6.56/1.53  thf('33', plain,
% 6.56/1.53      (( (hskp6)) | 
% 6.56/1.53       (![X0 : $i]: ( (c3_1 @ X0) | ~ (c1_1 @ X0) |  (c0_1 @ X0))) | 
% 6.56/1.53       ~ ( (ndr1_0)) | 
% 6.56/1.53       (![X1 : $i]: ( (c3_1 @ X1) | ~ (c2_1 @ X1) | ~ (c0_1 @ X1)))),
% 6.56/1.53      inference('split', [status(esa)], [zip_derived_cl161])).
% 6.56/1.53  thf(zip_derived_cl598, plain,
% 6.56/1.53      ((![X0 : $i]: (~ (c2_1 @ X0) |  (c1_1 @ X0) | ~ (c0_1 @ X0)))
% 6.56/1.53         <= ((![X0 : $i]: (~ (c2_1 @ X0) |  (c1_1 @ X0) | ~ (c0_1 @ X0))))),
% 6.56/1.53      inference('split', [status(esa)], [zip_derived_cl167])).
% 6.56/1.53  thf(zip_derived_cl345, plain, (( (c0_1 @ a820)) <= (( (c0_1 @ a820)))),
% 6.56/1.53      inference('split', [status(esa)], [zip_derived_cl79])).
% 6.56/1.53  thf(zip_derived_cl1202, plain,
% 6.56/1.53      ((( (c1_1 @ a820) | ~ (c2_1 @ a820)))
% 6.56/1.53         <= (( (c0_1 @ a820)) & 
% 6.56/1.53             (![X0 : $i]: (~ (c2_1 @ X0) |  (c1_1 @ X0) | ~ (c0_1 @ X0))))),
% 6.56/1.53      inference('s_sup+', [status(thm)], [zip_derived_cl598, zip_derived_cl345])).
% 6.56/1.53  thf('34', plain,
% 6.56/1.53      (~ (![X0 : $i]: (~ (c2_1 @ X0) |  (c1_1 @ X0) | ~ (c0_1 @ X0))) | 
% 6.56/1.53       ~ ( (c2_1 @ a820)) | ( (c1_1 @ a820)) | ~ ( (c0_1 @ a820))),
% 6.56/1.53      inference('split', [status(esa)], [zip_derived_cl1202])).
% 6.56/1.53  thf(clause154, conjecture,
% 6.56/1.53    (~( ( hskp2 ) | ( c2_1 @ V ) | ( c1_1 @ V ) | ( c0_1 @ V ) | 
% 6.56/1.53        ( c3_1 @ U ) | ( ~( ndr1_0 ) ) | ( ~( c2_1 @ U ) ) | ( ~( c0_1 @ U ) ) ))).
% 6.56/1.53  thf(zf_stmt_39, negated_conjecture,
% 6.56/1.53    (( hskp2 ) | ( c2_1 @ V ) | ( c1_1 @ V ) | ( c0_1 @ V ) | ( c3_1 @ U ) | 
% 6.56/1.53     ( ~( ndr1_0 ) ) | ( ~( c2_1 @ U ) ) | ( ~( c0_1 @ U ) )),
% 6.56/1.53    inference('cnf.neg', [status(esa)], [clause154])).
% 6.56/1.53  thf(zip_derived_cl153, plain,
% 6.56/1.53      (![X0 : $i, X1 : $i]:
% 6.56/1.53         ( (hskp2)
% 6.56/1.53          |  (c2_1 @ X0)
% 6.56/1.53          |  (c1_1 @ X0)
% 6.56/1.53          |  (c0_1 @ X0)
% 6.56/1.53          |  (c3_1 @ X1)
% 6.56/1.53          | ~ (ndr1_0)
% 6.56/1.53          | ~ (c2_1 @ X1)
% 6.56/1.53          | ~ (c0_1 @ X1))),
% 6.56/1.53      inference('cnf', [status(esa)], [zf_stmt_39])).
% 6.56/1.53  thf(zip_derived_cl541, plain,
% 6.56/1.53      ((![X1 : $i]: ( (c3_1 @ X1) | ~ (c2_1 @ X1) | ~ (c0_1 @ X1)))
% 6.56/1.53         <= ((![X1 : $i]: ( (c3_1 @ X1) | ~ (c2_1 @ X1) | ~ (c0_1 @ X1))))),
% 6.56/1.53      inference('split', [status(esa)], [zip_derived_cl153])).
% 6.56/1.53  thf(zip_derived_cl345, plain, (( (c0_1 @ a820)) <= (( (c0_1 @ a820)))),
% 6.56/1.53      inference('split', [status(esa)], [zip_derived_cl79])).
% 6.56/1.53  thf(zip_derived_cl1024, plain,
% 6.56/1.53      (((~ (c2_1 @ a820) |  (c3_1 @ a820)))
% 6.56/1.53         <= (( (c0_1 @ a820)) & 
% 6.56/1.53             (![X1 : $i]: ( (c3_1 @ X1) | ~ (c2_1 @ X1) | ~ (c0_1 @ X1))))),
% 6.56/1.53      inference('s_sup+', [status(thm)], [zip_derived_cl541, zip_derived_cl345])).
% 6.56/1.53  thf('35', plain,
% 6.56/1.53      (~ (![X1 : $i]: ( (c3_1 @ X1) | ~ (c2_1 @ X1) | ~ (c0_1 @ X1))) | 
% 6.56/1.53       ~ ( (c2_1 @ a820)) | ( (c3_1 @ a820)) | ~ ( (c0_1 @ a820))),
% 6.56/1.53      inference('split', [status(esa)], [zip_derived_cl1024])).
% 6.56/1.53  thf(zip_derived_cl345, plain, (( (c0_1 @ a820)) <= (( (c0_1 @ a820)))),
% 6.56/1.53      inference('split', [status(esa)], [zip_derived_cl79])).
% 6.56/1.53  thf(zip_derived_cl518, plain,
% 6.56/1.53      ((![X0 : $i]: (~ (c3_1 @ X0) | ~ (c2_1 @ X0) | ~ (c0_1 @ X0)))
% 6.56/1.53         <= ((![X0 : $i]: (~ (c3_1 @ X0) | ~ (c2_1 @ X0) | ~ (c0_1 @ X0))))),
% 6.56/1.53      inference('split', [status(esa)], [zip_derived_cl147])).
% 6.56/1.53  thf(zip_derived_cl849, plain,
% 6.56/1.53      (((~ (c3_1 @ a820) | ~ (c2_1 @ a820)))
% 6.56/1.53         <= (( (c0_1 @ a820)) & 
% 6.56/1.53             (![X0 : $i]: (~ (c3_1 @ X0) | ~ (c2_1 @ X0) | ~ (c0_1 @ X0))))),
% 6.56/1.53      inference('s_sup-', [status(thm)], [zip_derived_cl345, zip_derived_cl518])).
% 6.56/1.53  thf(zip_derived_cl1106, plain, ((~ (c2_1 @ a820)) <= (~ ( (c2_1 @ a820)))),
% 6.56/1.53      inference('split', [status(esa)], [zip_derived_cl849])).
% 6.56/1.53  thf(clause129, conjecture,
% 6.56/1.53    (~( ( hskp27 ) | ( c3_1 @ U ) | ( c2_1 @ U ) | ( c1_1 @ U ) | 
% 6.56/1.53        ( ~( ndr1_0 ) ) ))).
% 6.56/1.53  thf(zf_stmt_40, negated_conjecture,
% 6.56/1.53    (( hskp27 ) | ( c3_1 @ U ) | ( c2_1 @ U ) | ( c1_1 @ U ) | ( ~( ndr1_0 ) )),
% 6.56/1.53    inference('cnf.neg', [status(esa)], [clause129])).
% 6.56/1.53  thf(zip_derived_cl128, plain,
% 6.56/1.53      (![X0 : $i]:
% 6.56/1.53         ( (hskp27) |  (c3_1 @ X0) |  (c2_1 @ X0) |  (c1_1 @ X0) | ~ (ndr1_0))),
% 6.56/1.53      inference('cnf', [status(esa)], [zf_stmt_40])).
% 6.56/1.53  thf(zip_derived_cl443, plain,
% 6.56/1.53      ((![X0 : $i]: ( (c3_1 @ X0) |  (c2_1 @ X0) |  (c1_1 @ X0)))
% 6.56/1.53         <= ((![X0 : $i]: ( (c3_1 @ X0) |  (c2_1 @ X0) |  (c1_1 @ X0))))),
% 6.56/1.53      inference('split', [status(esa)], [zip_derived_cl128])).
% 6.56/1.53  thf(zip_derived_cl1108, plain,
% 6.56/1.53      ((( (c3_1 @ a820) |  (c1_1 @ a820)))
% 6.56/1.53         <= (~ ( (c2_1 @ a820)) & 
% 6.56/1.53             (![X0 : $i]: ( (c3_1 @ X0) |  (c2_1 @ X0) |  (c1_1 @ X0))))),
% 6.56/1.53      inference('s_sup+', [status(thm)],
% 6.56/1.53                [zip_derived_cl1106, zip_derived_cl443])).
% 6.56/1.53  thf('36', plain,
% 6.56/1.53      (( (c2_1 @ a820)) | 
% 6.56/1.53       ~ (![X0 : $i]: ( (c3_1 @ X0) |  (c2_1 @ X0) |  (c1_1 @ X0))) | 
% 6.56/1.53       ( (c1_1 @ a820)) | ( (c3_1 @ a820))),
% 6.56/1.53      inference('split', [status(esa)], [zip_derived_cl1108])).
% 6.56/1.53  thf('37', plain, (( (c0_1 @ a820)) | ~ ( (hskp3))),
% 6.56/1.53      inference('split', [status(esa)], [zip_derived_cl79])).
% 6.56/1.53  thf(clause123, conjecture, (~( ( ~( hskp3 ) ) | ( ~( c1_1 @ a820 ) ) ))).
% 6.56/1.53  thf(zf_stmt_41, negated_conjecture, (( ~( hskp3 ) ) | ( ~( c1_1 @ a820 ) )),
% 6.56/1.53    inference('cnf.neg', [status(esa)], [clause123])).
% 6.56/1.53  thf(zip_derived_cl122, plain, ((~ (hskp3) | ~ (c1_1 @ a820))),
% 6.56/1.53      inference('cnf', [status(esa)], [zf_stmt_41])).
% 6.56/1.53  thf('38', plain, (~ ( (c1_1 @ a820)) | ~ ( (hskp3))),
% 6.56/1.53      inference('split', [status(esa)], [zip_derived_cl122])).
% 6.56/1.53  thf(clause124, conjecture, (~( ( ~( hskp3 ) ) | ( ~( c3_1 @ a820 ) ) ))).
% 6.56/1.53  thf(zf_stmt_42, negated_conjecture, (( ~( hskp3 ) ) | ( ~( c3_1 @ a820 ) )),
% 6.56/1.53    inference('cnf.neg', [status(esa)], [clause124])).
% 6.56/1.53  thf(zip_derived_cl123, plain, ((~ (hskp3) | ~ (c3_1 @ a820))),
% 6.56/1.53      inference('cnf', [status(esa)], [zf_stmt_42])).
% 6.56/1.53  thf('39', plain, (~ ( (c3_1 @ a820)) | ~ ( (hskp3))),
% 6.56/1.53      inference('split', [status(esa)], [zip_derived_cl123])).
% 6.56/1.53  thf(zip_derived_cl506, plain,
% 6.56/1.53      ((![X0 : $i]: ( (c3_1 @ X0) | ~ (c2_1 @ X0) | ~ (c1_1 @ X0)))
% 6.56/1.53         <= ((![X0 : $i]: ( (c3_1 @ X0) | ~ (c2_1 @ X0) | ~ (c1_1 @ X0))))),
% 6.56/1.53      inference('split', [status(esa)], [zip_derived_cl144])).
% 6.56/1.53  thf(clause76, conjecture, (~( ( c2_1 @ a827 ) | ( ~( hskp6 ) ) ))).
% 6.56/1.53  thf(zf_stmt_43, negated_conjecture, (( c2_1 @ a827 ) | ( ~( hskp6 ) )),
% 6.56/1.53    inference('cnf.neg', [status(esa)], [clause76])).
% 6.56/1.53  thf(zip_derived_cl75, plain, (( (c2_1 @ a827) | ~ (hskp6))),
% 6.56/1.53      inference('cnf', [status(esa)], [zf_stmt_43])).
% 6.56/1.53  thf(zip_derived_cl337, plain, (( (c2_1 @ a827)) <= (( (c2_1 @ a827)))),
% 6.56/1.53      inference('split', [status(esa)], [zip_derived_cl75])).
% 6.56/1.53  thf(zip_derived_cl997, plain,
% 6.56/1.53      (((~ (c1_1 @ a827) |  (c3_1 @ a827)))
% 6.56/1.53         <= (( (c2_1 @ a827)) & 
% 6.56/1.53             (![X0 : $i]: ( (c3_1 @ X0) | ~ (c2_1 @ X0) | ~ (c1_1 @ X0))))),
% 6.56/1.53      inference('s_sup+', [status(thm)], [zip_derived_cl506, zip_derived_cl337])).
% 6.56/1.53  thf('40', plain,
% 6.56/1.53      (~ (![X0 : $i]: ( (c3_1 @ X0) | ~ (c2_1 @ X0) | ~ (c1_1 @ X0))) | 
% 6.56/1.53       ( (c3_1 @ a827)) | ~ ( (c1_1 @ a827)) | ~ ( (c2_1 @ a827))),
% 6.56/1.53      inference('split', [status(esa)], [zip_derived_cl997])).
% 6.56/1.53  thf(zip_derived_cl550, plain,
% 6.56/1.53      ((![X0 : $i]: ( (c2_1 @ X0) | ~ (c1_1 @ X0) |  (c0_1 @ X0)))
% 6.56/1.53         <= ((![X0 : $i]: ( (c2_1 @ X0) | ~ (c1_1 @ X0) |  (c0_1 @ X0))))),
% 6.56/1.53      inference('split', [status(esa)], [zip_derived_cl155])).
% 6.56/1.53  thf(zip_derived_cl413, plain, ((~ (c0_1 @ a830)) <= (~ ( (c0_1 @ a830)))),
% 6.56/1.53      inference('split', [status(esa)], [zip_derived_cl113])).
% 6.56/1.53  thf(zip_derived_cl1988, plain,
% 6.56/1.53      (((~ (c1_1 @ a830) |  (c2_1 @ a830)))
% 6.56/1.53         <= (~ ( (c0_1 @ a830)) & 
% 6.56/1.53             (![X0 : $i]: ( (c2_1 @ X0) | ~ (c1_1 @ X0) |  (c0_1 @ X0))))),
% 6.56/1.53      inference('s_sup-', [status(thm)], [zip_derived_cl550, zip_derived_cl413])).
% 6.56/1.53  thf('41', plain,
% 6.56/1.53      (~ ( (c1_1 @ a830)) | 
% 6.56/1.53       ~ (![X0 : $i]: ( (c2_1 @ X0) | ~ (c1_1 @ X0) |  (c0_1 @ X0))) | 
% 6.56/1.53       ( (c0_1 @ a830)) | ( (c2_1 @ a830))),
% 6.56/1.53      inference('split', [status(esa)], [zip_derived_cl1988])).
% 6.56/1.53  thf(zip_derived_cl482, plain,
% 6.56/1.53      ((![X0 : $i]: ( (c3_1 @ X0) |  (c2_1 @ X0) | ~ (c1_1 @ X0)))
% 6.56/1.53         <= ((![X0 : $i]: ( (c3_1 @ X0) |  (c2_1 @ X0) | ~ (c1_1 @ X0))))),
% 6.56/1.53      inference('split', [status(esa)], [zip_derived_cl138])).
% 6.56/1.53  thf(clause115, conjecture, (~( ( ~( hskp8 ) ) | ( ~( c2_1 @ a830 ) ) ))).
% 6.56/1.53  thf(zf_stmt_44, negated_conjecture, (( ~( hskp8 ) ) | ( ~( c2_1 @ a830 ) )),
% 6.56/1.53    inference('cnf.neg', [status(esa)], [clause115])).
% 6.56/1.53  thf(zip_derived_cl114, plain, ((~ (hskp8) | ~ (c2_1 @ a830))),
% 6.56/1.53      inference('cnf', [status(esa)], [zf_stmt_44])).
% 6.56/1.53  thf(zip_derived_cl415, plain, ((~ (c2_1 @ a830)) <= (~ ( (c2_1 @ a830)))),
% 6.56/1.53      inference('split', [status(esa)], [zip_derived_cl114])).
% 6.56/1.53  thf(zip_derived_cl1730, plain,
% 6.56/1.53      (((~ (c1_1 @ a830) |  (c3_1 @ a830)))
% 6.56/1.53         <= (~ ( (c2_1 @ a830)) & 
% 6.56/1.53             (![X0 : $i]: ( (c3_1 @ X0) |  (c2_1 @ X0) | ~ (c1_1 @ X0))))),
% 6.56/1.53      inference('s_sup-', [status(thm)], [zip_derived_cl482, zip_derived_cl415])).
% 6.56/1.53  thf('42', plain,
% 6.56/1.53      (~ ( (c1_1 @ a830)) | 
% 6.56/1.53       ~ (![X0 : $i]: ( (c3_1 @ X0) |  (c2_1 @ X0) | ~ (c1_1 @ X0))) | 
% 6.56/1.53       ( (c2_1 @ a830)) | ( (c3_1 @ a830))),
% 6.56/1.53      inference('split', [status(esa)], [zip_derived_cl1730])).
% 6.56/1.53  thf(zip_derived_cl443, plain,
% 6.56/1.53      ((![X0 : $i]: ( (c3_1 @ X0) |  (c2_1 @ X0) |  (c1_1 @ X0)))
% 6.56/1.53         <= ((![X0 : $i]: ( (c3_1 @ X0) |  (c2_1 @ X0) |  (c1_1 @ X0))))),
% 6.56/1.53      inference('split', [status(esa)], [zip_derived_cl128])).
% 6.56/1.53  thf(zip_derived_cl415, plain, ((~ (c2_1 @ a830)) <= (~ ( (c2_1 @ a830)))),
% 6.56/1.53      inference('split', [status(esa)], [zip_derived_cl114])).
% 6.56/1.53  thf(zip_derived_cl974, plain,
% 6.56/1.53      ((( (c1_1 @ a830) |  (c3_1 @ a830)))
% 6.56/1.53         <= (~ ( (c2_1 @ a830)) & 
% 6.56/1.53             (![X0 : $i]: ( (c3_1 @ X0) |  (c2_1 @ X0) |  (c1_1 @ X0))))),
% 6.56/1.53      inference('s_sup-', [status(thm)], [zip_derived_cl443, zip_derived_cl415])).
% 6.56/1.53  thf('43', plain,
% 6.56/1.53      (~ (![X0 : $i]: ( (c3_1 @ X0) |  (c2_1 @ X0) |  (c1_1 @ X0))) | 
% 6.56/1.53       ( (c1_1 @ a830)) | ( (c3_1 @ a830)) | ( (c2_1 @ a830))),
% 6.56/1.53      inference('split', [status(esa)], [zip_derived_cl974])).
% 6.56/1.53  thf(clause136, conjecture,
% 6.56/1.53    (~( ( hskp13 ) | ( hskp12 ) | ( c3_1 @ U ) | ( c0_1 @ U ) | 
% 6.56/1.53        ( ~( ndr1_0 ) ) | ( ~( c1_1 @ U ) ) ))).
% 6.56/1.53  thf(zf_stmt_45, negated_conjecture,
% 6.56/1.53    (( hskp13 ) | ( hskp12 ) | ( c3_1 @ U ) | ( c0_1 @ U ) | ( ~( ndr1_0 ) ) | 
% 6.56/1.53     ( ~( c1_1 @ U ) )),
% 6.56/1.53    inference('cnf.neg', [status(esa)], [clause136])).
% 6.56/1.53  thf(zip_derived_cl135, plain,
% 6.56/1.53      (![X0 : $i]:
% 6.56/1.53         ( (hskp13)
% 6.56/1.53          |  (hskp12)
% 6.56/1.53          |  (c3_1 @ X0)
% 6.56/1.53          |  (c0_1 @ X0)
% 6.56/1.53          | ~ (ndr1_0)
% 6.56/1.53          | ~ (c1_1 @ X0))),
% 6.56/1.53      inference('cnf', [status(esa)], [zf_stmt_45])).
% 6.56/1.53  thf(zip_derived_cl470, plain,
% 6.56/1.53      ((![X0 : $i]: ( (c3_1 @ X0) | ~ (c1_1 @ X0) |  (c0_1 @ X0)))
% 6.56/1.53         <= ((![X0 : $i]: ( (c3_1 @ X0) | ~ (c1_1 @ X0) |  (c0_1 @ X0))))),
% 6.56/1.53      inference('split', [status(esa)], [zip_derived_cl135])).
% 6.56/1.53  thf(zip_derived_cl413, plain, ((~ (c0_1 @ a830)) <= (~ ( (c0_1 @ a830)))),
% 6.56/1.53      inference('split', [status(esa)], [zip_derived_cl113])).
% 6.56/1.53  thf(zip_derived_cl1445, plain,
% 6.56/1.53      (((~ (c1_1 @ a830) |  (c3_1 @ a830)))
% 6.56/1.53         <= (~ ( (c0_1 @ a830)) & 
% 6.56/1.53             (![X0 : $i]: ( (c3_1 @ X0) | ~ (c1_1 @ X0) |  (c0_1 @ X0))))),
% 6.56/1.53      inference('s_sup-', [status(thm)], [zip_derived_cl470, zip_derived_cl413])).
% 6.56/1.53  thf('44', plain,
% 6.56/1.53      (~ ( (c1_1 @ a830)) | 
% 6.56/1.53       ~ (![X0 : $i]: ( (c3_1 @ X0) | ~ (c1_1 @ X0) |  (c0_1 @ X0))) | 
% 6.56/1.53       ( (c3_1 @ a830)) | ( (c0_1 @ a830))),
% 6.56/1.53      inference('split', [status(esa)], [zip_derived_cl1445])).
% 6.56/1.53  thf('45', plain, (~ ( (c0_1 @ a830)) | ~ ( (hskp8))),
% 6.56/1.53      inference('split', [status(esa)], [zip_derived_cl113])).
% 6.56/1.53  thf('46', plain, (~ ( (c2_1 @ a830)) | ~ ( (hskp8))),
% 6.56/1.53      inference('split', [status(esa)], [zip_derived_cl114])).
% 6.56/1.53  thf(clause116, conjecture, (~( ( ~( hskp8 ) ) | ( ~( c3_1 @ a830 ) ) ))).
% 6.56/1.53  thf(zf_stmt_46, negated_conjecture, (( ~( hskp8 ) ) | ( ~( c3_1 @ a830 ) )),
% 6.56/1.53    inference('cnf.neg', [status(esa)], [clause116])).
% 6.56/1.53  thf(zip_derived_cl115, plain, ((~ (hskp8) | ~ (c3_1 @ a830))),
% 6.56/1.53      inference('cnf', [status(esa)], [zf_stmt_46])).
% 6.56/1.53  thf('47', plain, (~ ( (c3_1 @ a830)) | ~ ( (hskp8))),
% 6.56/1.53      inference('split', [status(esa)], [zip_derived_cl115])).
% 6.56/1.53  thf('48', plain,
% 6.56/1.53      (( (hskp8)) | 
% 6.56/1.53       (![X1 : $i]: (~ (c3_1 @ X1) | ~ (c2_1 @ X1) | ~ (c1_1 @ X1))) | 
% 6.56/1.53       (![X1 : $i]: (~ (c3_1 @ X1) | ~ (c1_1 @ X1) | ~ (c0_1 @ X1))) | 
% 6.56/1.53       ~ ( (ndr1_0))),
% 6.56/1.53      inference('split', [status(esa)], [zip_derived_cl171])).
% 6.56/1.53  thf(clause39, conjecture, (~( ( c1_1 @ a865 ) | ( ~( hskp29 ) ) ))).
% 6.56/1.53  thf(zf_stmt_47, negated_conjecture, (( c1_1 @ a865 ) | ( ~( hskp29 ) )),
% 6.56/1.53    inference('cnf.neg', [status(esa)], [clause39])).
% 6.56/1.53  thf(zip_derived_cl38, plain, (( (c1_1 @ a865) | ~ (hskp29))),
% 6.56/1.53      inference('cnf', [status(esa)], [zf_stmt_47])).
% 6.56/1.53  thf('49', plain, (( (c1_1 @ a865)) | ~ ( (hskp29))),
% 6.56/1.53      inference('split', [status(esa)], [zip_derived_cl38])).
% 6.56/1.53  thf(clause41, conjecture, (~( ( c3_1 @ a865 ) | ( ~( hskp29 ) ) ))).
% 6.56/1.53  thf(zf_stmt_48, negated_conjecture, (( c3_1 @ a865 ) | ( ~( hskp29 ) )),
% 6.56/1.53    inference('cnf.neg', [status(esa)], [clause41])).
% 6.56/1.53  thf(zip_derived_cl40, plain, (( (c3_1 @ a865) | ~ (hskp29))),
% 6.56/1.53      inference('cnf', [status(esa)], [zf_stmt_48])).
% 6.56/1.53  thf('50', plain, (( (c3_1 @ a865)) | ~ ( (hskp29))),
% 6.56/1.53      inference('split', [status(esa)], [zip_derived_cl40])).
% 6.56/1.53  thf(zip_derived_cl613, plain,
% 6.56/1.53      ((![X1 : $i]: (~ (c3_1 @ X1) | ~ (c2_1 @ X1) | ~ (c1_1 @ X1)))
% 6.56/1.53         <= ((![X1 : $i]: (~ (c3_1 @ X1) | ~ (c2_1 @ X1) | ~ (c1_1 @ X1))))),
% 6.56/1.53      inference('split', [status(esa)], [zip_derived_cl171])).
% 6.56/1.53  thf(clause40, conjecture, (~( ( c2_1 @ a865 ) | ( ~( hskp29 ) ) ))).
% 6.56/1.53  thf(zf_stmt_49, negated_conjecture, (( c2_1 @ a865 ) | ( ~( hskp29 ) )),
% 6.56/1.53    inference('cnf.neg', [status(esa)], [clause40])).
% 6.56/1.53  thf(zip_derived_cl39, plain, (( (c2_1 @ a865) | ~ (hskp29))),
% 6.56/1.53      inference('cnf', [status(esa)], [zf_stmt_49])).
% 6.56/1.53  thf(zip_derived_cl265, plain, (( (c2_1 @ a865)) <= (( (c2_1 @ a865)))),
% 6.56/1.53      inference('split', [status(esa)], [zip_derived_cl39])).
% 6.56/1.53  thf(zip_derived_cl699, plain,
% 6.56/1.53      (((~ (c1_1 @ a865) | ~ (c3_1 @ a865)))
% 6.56/1.53         <= (( (c2_1 @ a865)) & 
% 6.56/1.53             (![X1 : $i]: (~ (c3_1 @ X1) | ~ (c2_1 @ X1) | ~ (c1_1 @ X1))))),
% 6.56/1.53      inference('s_sup+', [status(thm)], [zip_derived_cl613, zip_derived_cl265])).
% 6.56/1.53  thf('51', plain,
% 6.56/1.53      (~ (![X1 : $i]: (~ (c3_1 @ X1) | ~ (c2_1 @ X1) | ~ (c1_1 @ X1))) | 
% 6.56/1.53       ~ ( (c2_1 @ a865)) | ~ ( (c3_1 @ a865)) | ~ ( (c1_1 @ a865))),
% 6.56/1.53      inference('split', [status(esa)], [zip_derived_cl699])).
% 6.56/1.53  thf('52', plain, (( (c2_1 @ a865)) | ~ ( (hskp29))),
% 6.56/1.53      inference('split', [status(esa)], [zip_derived_cl39])).
% 6.56/1.53  thf(clause171, conjecture,
% 6.56/1.53    (~( ( hskp29 ) | ( c2_1 @ V ) | ( ~( c3_1 @ V ) ) | ( ~( c0_1 @ V ) ) | 
% 6.56/1.53        ( ~( ndr1_0 ) ) | ( ~( c3_1 @ U ) ) | ( ~( c1_1 @ U ) ) | 
% 6.56/1.53        ( ~( c0_1 @ U ) ) ))).
% 6.56/1.53  thf(zf_stmt_50, negated_conjecture,
% 6.56/1.53    (( hskp29 ) | ( c2_1 @ V ) | ( ~( c3_1 @ V ) ) | ( ~( c0_1 @ V ) ) | 
% 6.56/1.53     ( ~( ndr1_0 ) ) | ( ~( c3_1 @ U ) ) | ( ~( c1_1 @ U ) ) | 
% 6.56/1.53     ( ~( c0_1 @ U ) )),
% 6.56/1.53    inference('cnf.neg', [status(esa)], [clause171])).
% 6.56/1.53  thf(zip_derived_cl170, plain,
% 6.56/1.53      (![X0 : $i, X1 : $i]:
% 6.56/1.53         ( (hskp29)
% 6.56/1.53          |  (c2_1 @ X0)
% 6.56/1.53          | ~ (c3_1 @ X0)
% 6.56/1.53          | ~ (c0_1 @ X0)
% 6.56/1.53          | ~ (ndr1_0)
% 6.56/1.53          | ~ (c3_1 @ X1)
% 6.56/1.53          | ~ (c1_1 @ X1)
% 6.56/1.53          | ~ (c0_1 @ X1))),
% 6.56/1.53      inference('cnf', [status(esa)], [zf_stmt_50])).
% 6.56/1.53  thf('53', plain,
% 6.56/1.53      (( (hskp29)) | 
% 6.56/1.53       (![X1 : $i]: (~ (c3_1 @ X1) |  (c2_1 @ X1) | ~ (c0_1 @ X1))) | 
% 6.56/1.53       (![X1 : $i]: (~ (c3_1 @ X1) | ~ (c1_1 @ X1) | ~ (c0_1 @ X1))) | 
% 6.56/1.53       ~ ( (ndr1_0))),
% 6.56/1.53      inference('split', [status(esa)], [zip_derived_cl170])).
% 6.56/1.53  thf(clause179, conjecture,
% 6.56/1.53    (~( ( c0_1 @ W ) | ( c1_1 @ V ) | ( c3_1 @ U ) | ( c2_1 @ U ) | 
% 6.56/1.53        ( ~( c3_1 @ W ) ) | ( ~( c2_1 @ W ) ) | ( ~( c2_1 @ V ) ) | 
% 6.56/1.53        ( ~( c0_1 @ V ) ) | ( ~( ndr1_0 ) ) | ( ~( c1_1 @ U ) ) ))).
% 6.56/1.53  thf(zf_stmt_51, negated_conjecture,
% 6.56/1.53    (( c0_1 @ W ) | ( c1_1 @ V ) | ( c3_1 @ U ) | ( c2_1 @ U ) | 
% 6.56/1.53     ( ~( c3_1 @ W ) ) | ( ~( c2_1 @ W ) ) | ( ~( c2_1 @ V ) ) | 
% 6.56/1.53     ( ~( c0_1 @ V ) ) | ( ~( ndr1_0 ) ) | ( ~( c1_1 @ U ) )),
% 6.56/1.53    inference('cnf.neg', [status(esa)], [clause179])).
% 6.56/1.53  thf(zip_derived_cl178, plain,
% 6.56/1.53      (![X0 : $i, X1 : $i, X2 : $i]:
% 6.56/1.53         ( (c0_1 @ X0)
% 6.56/1.53          |  (c1_1 @ X1)
% 6.56/1.53          |  (c3_1 @ X2)
% 6.56/1.53          |  (c2_1 @ X2)
% 6.56/1.53          | ~ (c3_1 @ X0)
% 6.56/1.53          | ~ (c2_1 @ X0)
% 6.56/1.53          | ~ (c2_1 @ X1)
% 6.56/1.53          | ~ (c0_1 @ X1)
% 6.56/1.53          | ~ (ndr1_0)
% 6.56/1.53          | ~ (c1_1 @ X2))),
% 6.56/1.53      inference('cnf', [status(esa)], [zf_stmt_51])).
% 6.56/1.53  thf(zip_derived_cl643, plain,
% 6.56/1.53      ((![X0 : $i]: (~ (c3_1 @ X0) | ~ (c2_1 @ X0) |  (c0_1 @ X0)))
% 6.56/1.53         <= ((![X0 : $i]: (~ (c3_1 @ X0) | ~ (c2_1 @ X0) |  (c0_1 @ X0))))),
% 6.56/1.53      inference('split', [status(esa)], [zip_derived_cl178])).
% 6.56/1.53  thf(clause119, conjecture, (~( ( ~( hskp6 ) ) | ( ~( c0_1 @ a827 ) ) ))).
% 6.56/1.53  thf(zf_stmt_52, negated_conjecture, (( ~( hskp6 ) ) | ( ~( c0_1 @ a827 ) )),
% 6.56/1.53    inference('cnf.neg', [status(esa)], [clause119])).
% 6.56/1.53  thf(zip_derived_cl118, plain, ((~ (hskp6) | ~ (c0_1 @ a827))),
% 6.56/1.53      inference('cnf', [status(esa)], [zf_stmt_52])).
% 6.56/1.53  thf(zip_derived_cl423, plain, ((~ (c0_1 @ a827)) <= (~ ( (c0_1 @ a827)))),
% 6.56/1.53      inference('split', [status(esa)], [zip_derived_cl118])).
% 6.56/1.53  thf(zip_derived_cl1508, plain,
% 6.56/1.53      (((~ (c2_1 @ a827) | ~ (c3_1 @ a827)))
% 6.56/1.53         <= (~ ( (c0_1 @ a827)) & 
% 6.56/1.53             (![X0 : $i]: (~ (c3_1 @ X0) | ~ (c2_1 @ X0) |  (c0_1 @ X0))))),
% 6.56/1.53      inference('s_sup-', [status(thm)], [zip_derived_cl643, zip_derived_cl423])).
% 6.56/1.53  thf('54', plain,
% 6.56/1.53      (~ ( (c3_1 @ a827)) | 
% 6.56/1.53       ~ (![X0 : $i]: (~ (c3_1 @ X0) | ~ (c2_1 @ X0) |  (c0_1 @ X0))) | 
% 6.56/1.53       ( (c0_1 @ a827)) | ~ ( (c2_1 @ a827))),
% 6.56/1.53      inference('split', [status(esa)], [zip_derived_cl1508])).
% 6.56/1.53  thf(zip_derived_cl482, plain,
% 6.56/1.53      ((![X0 : $i]: ( (c3_1 @ X0) |  (c2_1 @ X0) | ~ (c1_1 @ X0)))
% 6.56/1.53         <= ((![X0 : $i]: ( (c3_1 @ X0) |  (c2_1 @ X0) | ~ (c1_1 @ X0))))),
% 6.56/1.53      inference('split', [status(esa)], [zip_derived_cl138])).
% 6.56/1.53  thf(clause159, conjecture,
% 6.56/1.53    (~( ( hskp3 ) | ( c1_1 @ V ) | ( c0_1 @ V ) | ( c0_1 @ U ) | 
% 6.56/1.53        ( ~( c3_1 @ V ) ) | ( ~( ndr1_0 ) ) | ( ~( c2_1 @ U ) ) | 
% 6.56/1.53        ( ~( c1_1 @ U ) ) ))).
% 6.56/1.53  thf(zf_stmt_53, negated_conjecture,
% 6.56/1.53    (( hskp3 ) | ( c1_1 @ V ) | ( c0_1 @ V ) | ( c0_1 @ U ) | 
% 6.56/1.53     ( ~( c3_1 @ V ) ) | ( ~( ndr1_0 ) ) | ( ~( c2_1 @ U ) ) | 
% 6.56/1.53     ( ~( c1_1 @ U ) )),
% 6.56/1.53    inference('cnf.neg', [status(esa)], [clause159])).
% 6.56/1.53  thf(zip_derived_cl158, plain,
% 6.56/1.53      (![X0 : $i, X1 : $i]:
% 6.56/1.53         ( (hskp3)
% 6.56/1.53          |  (c1_1 @ X0)
% 6.56/1.53          |  (c0_1 @ X0)
% 6.56/1.53          |  (c0_1 @ X1)
% 6.56/1.53          | ~ (c3_1 @ X0)
% 6.56/1.53          | ~ (ndr1_0)
% 6.56/1.53          | ~ (c2_1 @ X1)
% 6.56/1.53          | ~ (c1_1 @ X1))),
% 6.56/1.53      inference('cnf', [status(esa)], [zf_stmt_53])).
% 6.56/1.53  thf(zip_derived_cl561, plain,
% 6.56/1.53      ((![X1 : $i]: (~ (c2_1 @ X1) | ~ (c1_1 @ X1) |  (c0_1 @ X1)))
% 6.56/1.53         <= ((![X1 : $i]: (~ (c2_1 @ X1) | ~ (c1_1 @ X1) |  (c0_1 @ X1))))),
% 6.56/1.53      inference('split', [status(esa)], [zip_derived_cl158])).
% 6.56/1.53  thf(zip_derived_cl359, plain, ((~ (c0_1 @ a878)) <= (~ ( (c0_1 @ a878)))),
% 6.56/1.53      inference('split', [status(esa)], [zip_derived_cl86])).
% 6.56/1.53  thf(zip_derived_cl1390, plain,
% 6.56/1.53      (((~ (c1_1 @ a878) | ~ (c2_1 @ a878)))
% 6.56/1.53         <= (~ ( (c0_1 @ a878)) & 
% 6.56/1.53             (![X1 : $i]: (~ (c2_1 @ X1) | ~ (c1_1 @ X1) |  (c0_1 @ X1))))),
% 6.56/1.53      inference('s_sup-', [status(thm)], [zip_derived_cl561, zip_derived_cl359])).
% 6.56/1.53  thf(zip_derived_cl1530, plain, ((~ (c2_1 @ a878)) <= (~ ( (c2_1 @ a878)))),
% 6.56/1.53      inference('split', [status(esa)], [zip_derived_cl1390])).
% 6.56/1.53  thf(zip_derived_cl1711, plain,
% 6.56/1.53      (((~ (c1_1 @ a878) |  (c3_1 @ a878)))
% 6.56/1.53         <= (~ ( (c2_1 @ a878)) & 
% 6.56/1.53             (![X0 : $i]: ( (c3_1 @ X0) |  (c2_1 @ X0) | ~ (c1_1 @ X0))))),
% 6.56/1.53      inference('s_sup-', [status(thm)],
% 6.56/1.53                [zip_derived_cl482, zip_derived_cl1530])).
% 6.56/1.53  thf('55', plain,
% 6.56/1.53      (( (c2_1 @ a878)) | ( (c3_1 @ a878)) | 
% 6.56/1.53       ~ (![X0 : $i]: ( (c3_1 @ X0) |  (c2_1 @ X0) | ~ (c1_1 @ X0))) | 
% 6.56/1.53       ~ ( (c1_1 @ a878))),
% 6.56/1.53      inference('split', [status(esa)], [zip_derived_cl1711])).
% 6.56/1.53  thf(zip_derived_cl554, plain,
% 6.56/1.53      ((![X0 : $i]: ( (c3_1 @ X0) | ~ (c2_1 @ X0) |  (c0_1 @ X0)))
% 6.56/1.53         <= ((![X0 : $i]: ( (c3_1 @ X0) | ~ (c2_1 @ X0) |  (c0_1 @ X0))))),
% 6.56/1.53      inference('split', [status(esa)], [zip_derived_cl156])).
% 6.56/1.53  thf(zip_derived_cl423, plain, ((~ (c0_1 @ a827)) <= (~ ( (c0_1 @ a827)))),
% 6.56/1.53      inference('split', [status(esa)], [zip_derived_cl118])).
% 6.56/1.53  thf(zip_derived_cl2017, plain,
% 6.56/1.53      (((~ (c2_1 @ a827) |  (c3_1 @ a827)))
% 6.56/1.53         <= (~ ( (c0_1 @ a827)) & 
% 6.56/1.53             (![X0 : $i]: ( (c3_1 @ X0) | ~ (c2_1 @ X0) |  (c0_1 @ X0))))),
% 6.56/1.53      inference('s_sup-', [status(thm)], [zip_derived_cl554, zip_derived_cl423])).
% 6.56/1.53  thf('56', plain,
% 6.56/1.53      (~ (![X0 : $i]: ( (c3_1 @ X0) | ~ (c2_1 @ X0) |  (c0_1 @ X0))) | 
% 6.56/1.53       ( (c3_1 @ a827)) | ~ ( (c2_1 @ a827)) | ( (c0_1 @ a827))),
% 6.56/1.53      inference('split', [status(esa)], [zip_derived_cl2017])).
% 6.56/1.53  thf(zip_derived_cl554, plain,
% 6.56/1.53      ((![X0 : $i]: ( (c3_1 @ X0) | ~ (c2_1 @ X0) |  (c0_1 @ X0)))
% 6.56/1.53         <= ((![X0 : $i]: ( (c3_1 @ X0) | ~ (c2_1 @ X0) |  (c0_1 @ X0))))),
% 6.56/1.53      inference('split', [status(esa)], [zip_derived_cl156])).
% 6.56/1.53  thf(zip_derived_cl359, plain, ((~ (c0_1 @ a878)) <= (~ ( (c0_1 @ a878)))),
% 6.56/1.53      inference('split', [status(esa)], [zip_derived_cl86])).
% 6.56/1.53  thf(zip_derived_cl2013, plain,
% 6.56/1.53      (((~ (c2_1 @ a878) |  (c3_1 @ a878)))
% 6.56/1.53         <= (~ ( (c0_1 @ a878)) & 
% 6.56/1.53             (![X0 : $i]: ( (c3_1 @ X0) | ~ (c2_1 @ X0) |  (c0_1 @ X0))))),
% 6.56/1.53      inference('s_sup-', [status(thm)], [zip_derived_cl554, zip_derived_cl359])).
% 6.56/1.53  thf('57', plain,
% 6.56/1.53      (( (c3_1 @ a878)) | ~ ( (c2_1 @ a878)) | 
% 6.56/1.53       ~ (![X0 : $i]: ( (c3_1 @ X0) | ~ (c2_1 @ X0) |  (c0_1 @ X0))) | 
% 6.56/1.53       ( (c0_1 @ a878))),
% 6.56/1.53      inference('split', [status(esa)], [zip_derived_cl2013])).
% 6.56/1.53  thf(clause75, conjecture, (~( ( c1_1 @ a827 ) | ( ~( hskp6 ) ) ))).
% 6.56/1.53  thf(zf_stmt_54, negated_conjecture, (( c1_1 @ a827 ) | ( ~( hskp6 ) )),
% 6.56/1.53    inference('cnf.neg', [status(esa)], [clause75])).
% 6.56/1.53  thf(zip_derived_cl74, plain, (( (c1_1 @ a827) | ~ (hskp6))),
% 6.56/1.53      inference('cnf', [status(esa)], [zf_stmt_54])).
% 6.56/1.53  thf('58', plain, (( (c1_1 @ a827)) | ~ ( (hskp6))),
% 6.56/1.53      inference('split', [status(esa)], [zip_derived_cl74])).
% 6.56/1.53  thf(zip_derived_cl561, plain,
% 6.56/1.53      ((![X1 : $i]: (~ (c2_1 @ X1) | ~ (c1_1 @ X1) |  (c0_1 @ X1)))
% 6.56/1.53         <= ((![X1 : $i]: (~ (c2_1 @ X1) | ~ (c1_1 @ X1) |  (c0_1 @ X1))))),
% 6.56/1.53      inference('split', [status(esa)], [zip_derived_cl158])).
% 6.56/1.53  thf(zip_derived_cl423, plain, ((~ (c0_1 @ a827)) <= (~ ( (c0_1 @ a827)))),
% 6.56/1.53      inference('split', [status(esa)], [zip_derived_cl118])).
% 6.56/1.53  thf(zip_derived_cl1394, plain,
% 6.56/1.53      (((~ (c1_1 @ a827) | ~ (c2_1 @ a827)))
% 6.56/1.53         <= (~ ( (c0_1 @ a827)) & 
% 6.56/1.53             (![X1 : $i]: (~ (c2_1 @ X1) | ~ (c1_1 @ X1) |  (c0_1 @ X1))))),
% 6.56/1.53      inference('s_sup-', [status(thm)], [zip_derived_cl561, zip_derived_cl423])).
% 6.56/1.53  thf('59', plain,
% 6.56/1.53      (~ (![X1 : $i]: (~ (c2_1 @ X1) | ~ (c1_1 @ X1) |  (c0_1 @ X1))) | 
% 6.56/1.53       ~ ( (c2_1 @ a827)) | ( (c0_1 @ a827)) | ~ ( (c1_1 @ a827))),
% 6.56/1.53      inference('split', [status(esa)], [zip_derived_cl1394])).
% 6.56/1.53  thf('60', plain, (( (c2_1 @ a827)) | ~ ( (hskp6))),
% 6.56/1.53      inference('split', [status(esa)], [zip_derived_cl75])).
% 6.56/1.53  thf('61', plain, (~ ( (c0_1 @ a827)) | ~ ( (hskp6))),
% 6.56/1.53      inference('split', [status(esa)], [zip_derived_cl118])).
% 6.56/1.53  thf(clause158, conjecture,
% 6.56/1.53    (~( ( hskp6 ) | ( c3_1 @ V ) | ( c2_1 @ V ) | ( c1_1 @ V ) | 
% 6.56/1.53        ( c1_1 @ U ) | ( ~( ndr1_0 ) ) | ( ~( c3_1 @ U ) ) | ( ~( c2_1 @ U ) ) ))).
% 6.56/1.53  thf(zf_stmt_55, negated_conjecture,
% 6.56/1.53    (( hskp6 ) | ( c3_1 @ V ) | ( c2_1 @ V ) | ( c1_1 @ V ) | ( c1_1 @ U ) | 
% 6.56/1.53     ( ~( ndr1_0 ) ) | ( ~( c3_1 @ U ) ) | ( ~( c2_1 @ U ) )),
% 6.56/1.53    inference('cnf.neg', [status(esa)], [clause158])).
% 6.56/1.53  thf(zip_derived_cl157, plain,
% 6.56/1.53      (![X0 : $i, X1 : $i]:
% 6.56/1.53         ( (hskp6)
% 6.56/1.53          |  (c3_1 @ X0)
% 6.56/1.53          |  (c2_1 @ X0)
% 6.56/1.53          |  (c1_1 @ X0)
% 6.56/1.53          |  (c1_1 @ X1)
% 6.56/1.53          | ~ (ndr1_0)
% 6.56/1.53          | ~ (c3_1 @ X1)
% 6.56/1.53          | ~ (c2_1 @ X1))),
% 6.56/1.53      inference('cnf', [status(esa)], [zf_stmt_55])).
% 6.56/1.53  thf('62', plain,
% 6.56/1.53      (( (hskp6)) | 
% 6.56/1.53       (![X0 : $i]: (~ (c3_1 @ X0) | ~ (c2_1 @ X0) |  (c1_1 @ X0))) | 
% 6.56/1.53       ~ ( (ndr1_0)) | 
% 6.56/1.53       (![X0 : $i]: ( (c3_1 @ X0) |  (c2_1 @ X0) |  (c1_1 @ X0)))),
% 6.56/1.53      inference('split', [status(esa)], [zip_derived_cl157])).
% 6.56/1.53  thf(clause8, conjecture, (~( ( ndr1_0 ) | ( ~( hskp23 ) ) ))).
% 6.56/1.53  thf(zf_stmt_56, negated_conjecture, (( ndr1_0 ) | ( ~( hskp23 ) )),
% 6.56/1.53    inference('cnf.neg', [status(esa)], [clause8])).
% 6.56/1.53  thf(zip_derived_cl7, plain, (( (ndr1_0) | ~ (hskp23))),
% 6.56/1.53      inference('cnf', [status(esa)], [zf_stmt_56])).
% 6.56/1.53  thf('63', plain, (~ ( (hskp23)) | ( (ndr1_0))),
% 6.56/1.53      inference('split', [status(esa)], [zip_derived_cl7])).
% 6.56/1.53  thf(clause26, conjecture, (~( ( ndr1_0 ) | ( ~( hskp5 ) ) ))).
% 6.56/1.53  thf(zf_stmt_57, negated_conjecture, (( ndr1_0 ) | ( ~( hskp5 ) )),
% 6.56/1.53    inference('cnf.neg', [status(esa)], [clause26])).
% 6.56/1.53  thf(zip_derived_cl25, plain, (( (ndr1_0) | ~ (hskp5))),
% 6.56/1.53      inference('cnf', [status(esa)], [zf_stmt_57])).
% 6.56/1.53  thf('64', plain, (~ ( (hskp5)) | ( (ndr1_0))),
% 6.56/1.53      inference('split', [status(esa)], [zip_derived_cl25])).
% 6.56/1.53  thf(zip_derived_cl502, plain,
% 6.56/1.53      ((![X0 : $i]: ( (c2_1 @ X0) | ~ (c1_1 @ X0) | ~ (c0_1 @ X0)))
% 6.56/1.53         <= ((![X0 : $i]: ( (c2_1 @ X0) | ~ (c1_1 @ X0) | ~ (c0_1 @ X0))))),
% 6.56/1.53      inference('split', [status(esa)], [zip_derived_cl143])).
% 6.56/1.53  thf(zip_derived_cl353, plain, (( (c0_1 @ a815)) <= (( (c0_1 @ a815)))),
% 6.56/1.53      inference('split', [status(esa)], [zip_derived_cl83])).
% 6.56/1.53  thf(zip_derived_cl934, plain,
% 6.56/1.53      (((~ (c1_1 @ a815) |  (c2_1 @ a815)))
% 6.56/1.53         <= (( (c0_1 @ a815)) & 
% 6.56/1.53             (![X0 : $i]: ( (c2_1 @ X0) | ~ (c1_1 @ X0) | ~ (c0_1 @ X0))))),
% 6.56/1.53      inference('s_sup+', [status(thm)], [zip_derived_cl502, zip_derived_cl353])).
% 6.56/1.53  thf(zip_derived_cl3135, plain, (( (c2_1 @ a815)) <= (( (c2_1 @ a815)))),
% 6.56/1.53      inference('split', [status(esa)], [zip_derived_cl934])).
% 6.56/1.53  thf(zip_derived_cl506, plain,
% 6.56/1.53      ((![X0 : $i]: ( (c3_1 @ X0) | ~ (c2_1 @ X0) | ~ (c1_1 @ X0)))
% 6.56/1.53         <= ((![X0 : $i]: ( (c3_1 @ X0) | ~ (c2_1 @ X0) | ~ (c1_1 @ X0))))),
% 6.56/1.53      inference('split', [status(esa)], [zip_derived_cl144])).
% 6.56/1.53  thf(zip_derived_cl3138, plain,
% 6.56/1.53      ((( (c3_1 @ a815) | ~ (c1_1 @ a815)))
% 6.56/1.53         <= ((![X0 : $i]: ( (c3_1 @ X0) | ~ (c2_1 @ X0) | ~ (c1_1 @ X0))) & 
% 6.56/1.53             ( (c2_1 @ a815)))),
% 6.56/1.53      inference('s_sup-', [status(thm)],
% 6.56/1.53                [zip_derived_cl3135, zip_derived_cl506])).
% 6.56/1.53  thf('65', plain,
% 6.56/1.53      (~ ( (c2_1 @ a815)) | ( (c3_1 @ a815)) | 
% 6.56/1.53       ~ (![X0 : $i]: ( (c3_1 @ X0) | ~ (c2_1 @ X0) | ~ (c1_1 @ X0))) | 
% 6.56/1.53       ~ ( (c1_1 @ a815))),
% 6.56/1.53      inference('split', [status(esa)], [zip_derived_cl3138])).
% 6.56/1.53  thf(clause32, conjecture, (~( ( hskp20 ) | ( hskp24 ) | ( hskp28 ) ))).
% 6.56/1.53  thf(zf_stmt_58, negated_conjecture, (( hskp20 ) | ( hskp24 ) | ( hskp28 )),
% 6.56/1.53    inference('cnf.neg', [status(esa)], [clause32])).
% 6.56/1.53  thf(zip_derived_cl31, plain, (( (hskp20) |  (hskp24) |  (hskp28))),
% 6.56/1.53      inference('cnf', [status(esa)], [zf_stmt_58])).
% 6.56/1.53  thf('66', plain, (( (hskp28)) | ( (hskp24)) | ( (hskp20))),
% 6.56/1.53      inference('split', [status(esa)], [zip_derived_cl31])).
% 6.56/1.53  thf(clause53, conjecture, (~( ( c1_1 @ a878 ) | ( ~( hskp24 ) ) ))).
% 6.56/1.53  thf(zf_stmt_59, negated_conjecture, (( c1_1 @ a878 ) | ( ~( hskp24 ) )),
% 6.56/1.53    inference('cnf.neg', [status(esa)], [clause53])).
% 6.56/1.53  thf(zip_derived_cl52, plain, (( (c1_1 @ a878) | ~ (hskp24))),
% 6.56/1.53      inference('cnf', [status(esa)], [zf_stmt_59])).
% 6.56/1.53  thf('67', plain, (( (c1_1 @ a878)) | ~ ( (hskp24))),
% 6.56/1.53      inference('split', [status(esa)], [zip_derived_cl52])).
% 6.56/1.53  thf('68', plain, (~ ( (hskp24)) | ~ ( (c0_1 @ a878))),
% 6.56/1.53      inference('split', [status(esa)], [zip_derived_cl86])).
% 6.56/1.53  thf(clause88, conjecture, (~( ( ~( hskp24 ) ) | ( ~( c3_1 @ a878 ) ) ))).
% 6.56/1.53  thf(zf_stmt_60, negated_conjecture, (( ~( hskp24 ) ) | ( ~( c3_1 @ a878 ) )),
% 6.56/1.53    inference('cnf.neg', [status(esa)], [clause88])).
% 6.56/1.53  thf(zip_derived_cl87, plain, ((~ (hskp24) | ~ (c3_1 @ a878))),
% 6.56/1.53      inference('cnf', [status(esa)], [zf_stmt_60])).
% 6.56/1.53  thf('69', plain, (~ ( (hskp24)) | ~ ( (c3_1 @ a878))),
% 6.56/1.53      inference('split', [status(esa)], [zip_derived_cl87])).
% 6.56/1.53  thf(zip_derived_cl470, plain,
% 6.56/1.53      ((![X0 : $i]: ( (c3_1 @ X0) | ~ (c1_1 @ X0) |  (c0_1 @ X0)))
% 6.56/1.53         <= ((![X0 : $i]: ( (c3_1 @ X0) | ~ (c1_1 @ X0) |  (c0_1 @ X0))))),
% 6.56/1.53      inference('split', [status(esa)], [zip_derived_cl135])).
% 6.56/1.53  thf(zip_derived_cl359, plain, ((~ (c0_1 @ a878)) <= (~ ( (c0_1 @ a878)))),
% 6.56/1.53      inference('split', [status(esa)], [zip_derived_cl86])).
% 6.56/1.53  thf(zip_derived_cl1435, plain,
% 6.56/1.53      (((~ (c1_1 @ a878) |  (c3_1 @ a878)))
% 6.56/1.53         <= (~ ( (c0_1 @ a878)) & 
% 6.56/1.53             (![X0 : $i]: ( (c3_1 @ X0) | ~ (c1_1 @ X0) |  (c0_1 @ X0))))),
% 6.56/1.53      inference('s_sup-', [status(thm)], [zip_derived_cl470, zip_derived_cl359])).
% 6.56/1.53  thf('70', plain,
% 6.56/1.53      (( (c0_1 @ a878)) | ( (c3_1 @ a878)) | 
% 6.56/1.53       ~ (![X0 : $i]: ( (c3_1 @ X0) | ~ (c1_1 @ X0) |  (c0_1 @ X0))) | 
% 6.56/1.53       ~ ( (c1_1 @ a878))),
% 6.56/1.53      inference('split', [status(esa)], [zip_derived_cl1435])).
% 6.56/1.53  thf(clause161, conjecture,
% 6.56/1.53    (~( ( hskp26 ) | ( c3_1 @ V ) | ( c0_1 @ V ) | ( c2_1 @ U ) | 
% 6.56/1.53        ( ~( c1_1 @ V ) ) | ( ~( ndr1_0 ) ) | ( ~( c1_1 @ U ) ) | 
% 6.56/1.53        ( ~( c0_1 @ U ) ) ))).
% 6.56/1.53  thf(zf_stmt_61, negated_conjecture,
% 6.56/1.53    (( hskp26 ) | ( c3_1 @ V ) | ( c0_1 @ V ) | ( c2_1 @ U ) | 
% 6.56/1.53     ( ~( c1_1 @ V ) ) | ( ~( ndr1_0 ) ) | ( ~( c1_1 @ U ) ) | 
% 6.56/1.53     ( ~( c0_1 @ U ) )),
% 6.56/1.53    inference('cnf.neg', [status(esa)], [clause161])).
% 6.56/1.53  thf(zip_derived_cl160, plain,
% 6.56/1.53      (![X0 : $i, X1 : $i]:
% 6.56/1.53         ( (hskp26)
% 6.56/1.53          |  (c3_1 @ X0)
% 6.56/1.53          |  (c0_1 @ X0)
% 6.56/1.53          |  (c2_1 @ X1)
% 6.56/1.53          | ~ (c1_1 @ X0)
% 6.56/1.53          | ~ (ndr1_0)
% 6.56/1.53          | ~ (c1_1 @ X1)
% 6.56/1.53          | ~ (c0_1 @ X1))),
% 6.56/1.53      inference('cnf', [status(esa)], [zf_stmt_61])).
% 6.56/1.53  thf('71', plain,
% 6.56/1.53      (( (hskp26)) | 
% 6.56/1.53       (![X0 : $i]: ( (c2_1 @ X0) | ~ (c1_1 @ X0) | ~ (c0_1 @ X0))) | 
% 6.56/1.53       (![X0 : $i]: ( (c3_1 @ X0) | ~ (c1_1 @ X0) |  (c0_1 @ X0))) | 
% 6.56/1.53       ~ ( (ndr1_0))),
% 6.56/1.53      inference('split', [status(esa)], [zip_derived_cl160])).
% 6.56/1.53  thf('72', plain,
% 6.56/1.53      (( (c2_1 @ a815)) | ~ ( (c1_1 @ a815)) | 
% 6.56/1.53       ~ (![X0 : $i]: ( (c2_1 @ X0) | ~ (c1_1 @ X0) | ~ (c0_1 @ X0))) | 
% 6.56/1.53       ~ ( (c0_1 @ a815))),
% 6.56/1.53      inference('split', [status(esa)], [zip_derived_cl934])).
% 6.56/1.53  thf(clause51, conjecture, (~( ( c1_1 @ a892 ) | ( ~( hskp25 ) ) ))).
% 6.56/1.53  thf(zf_stmt_62, negated_conjecture, (( c1_1 @ a892 ) | ( ~( hskp25 ) )),
% 6.56/1.53    inference('cnf.neg', [status(esa)], [clause51])).
% 6.56/1.53  thf(zip_derived_cl50, plain, (( (c1_1 @ a892) | ~ (hskp25))),
% 6.56/1.53      inference('cnf', [status(esa)], [zf_stmt_62])).
% 6.56/1.53  thf('73', plain, (( (c1_1 @ a892)) | ~ ( (hskp25))),
% 6.56/1.53      inference('split', [status(esa)], [zip_derived_cl50])).
% 6.56/1.53  thf(clause52, conjecture, (~( ( c2_1 @ a892 ) | ( ~( hskp25 ) ) ))).
% 6.56/1.53  thf(zf_stmt_63, negated_conjecture, (( c2_1 @ a892 ) | ( ~( hskp25 ) )),
% 6.56/1.53    inference('cnf.neg', [status(esa)], [clause52])).
% 6.56/1.53  thf(zip_derived_cl51, plain, (( (c2_1 @ a892) | ~ (hskp25))),
% 6.56/1.53      inference('cnf', [status(esa)], [zf_stmt_63])).
% 6.56/1.53  thf('74', plain, (( (c2_1 @ a892)) | ~ ( (hskp25))),
% 6.56/1.53      inference('split', [status(esa)], [zip_derived_cl51])).
% 6.56/1.53  thf(clause86, conjecture, (~( ( ~( hskp25 ) ) | ( ~( c3_1 @ a892 ) ) ))).
% 6.56/1.53  thf(zf_stmt_64, negated_conjecture, (( ~( hskp25 ) ) | ( ~( c3_1 @ a892 ) )),
% 6.56/1.53    inference('cnf.neg', [status(esa)], [clause86])).
% 6.56/1.53  thf(zip_derived_cl85, plain, ((~ (hskp25) | ~ (c3_1 @ a892))),
% 6.56/1.53      inference('cnf', [status(esa)], [zf_stmt_64])).
% 6.56/1.53  thf('75', plain, (~ ( (hskp25)) | ~ ( (c3_1 @ a892))),
% 6.56/1.53      inference('split', [status(esa)], [zip_derived_cl85])).
% 6.56/1.53  thf(zip_derived_cl506, plain,
% 6.56/1.53      ((![X0 : $i]: ( (c3_1 @ X0) | ~ (c2_1 @ X0) | ~ (c1_1 @ X0)))
% 6.56/1.53         <= ((![X0 : $i]: ( (c3_1 @ X0) | ~ (c2_1 @ X0) | ~ (c1_1 @ X0))))),
% 6.56/1.53      inference('split', [status(esa)], [zip_derived_cl144])).
% 6.56/1.53  thf(zip_derived_cl289, plain, (( (c2_1 @ a892)) <= (( (c2_1 @ a892)))),
% 6.56/1.53      inference('split', [status(esa)], [zip_derived_cl51])).
% 6.56/1.53  thf(zip_derived_cl991, plain,
% 6.56/1.53      (((~ (c1_1 @ a892) |  (c3_1 @ a892)))
% 6.56/1.53         <= (( (c2_1 @ a892)) & 
% 6.56/1.53             (![X0 : $i]: ( (c3_1 @ X0) | ~ (c2_1 @ X0) | ~ (c1_1 @ X0))))),
% 6.56/1.53      inference('s_sup+', [status(thm)], [zip_derived_cl506, zip_derived_cl289])).
% 6.56/1.53  thf('76', plain,
% 6.56/1.53      (( (c3_1 @ a892)) | ~ ( (c2_1 @ a892)) | 
% 6.56/1.53       ~ (![X0 : $i]: ( (c3_1 @ X0) | ~ (c2_1 @ X0) | ~ (c1_1 @ X0))) | 
% 6.56/1.53       ~ ( (c1_1 @ a892))),
% 6.56/1.53      inference('split', [status(esa)], [zip_derived_cl991])).
% 6.56/1.53  thf(clause108, conjecture, (~( ( ~( hskp13 ) ) | ( ~( c2_1 @ a839 ) ) ))).
% 6.56/1.53  thf(zf_stmt_65, negated_conjecture, (( ~( hskp13 ) ) | ( ~( c2_1 @ a839 ) )),
% 6.56/1.53    inference('cnf.neg', [status(esa)], [clause108])).
% 6.56/1.53  thf(zip_derived_cl107, plain, ((~ (hskp13) | ~ (c2_1 @ a839))),
% 6.56/1.53      inference('cnf', [status(esa)], [zf_stmt_65])).
% 6.56/1.53  thf('77', plain, (~ ( (c2_1 @ a839)) | ~ ( (hskp13))),
% 6.56/1.53      inference('split', [status(esa)], [zip_derived_cl107])).
% 6.56/1.53  thf('78', plain,
% 6.56/1.53      (( (hskp13)) | ( (hskp21)) | 
% 6.56/1.53       (![X0 : $i]: (~ (c3_1 @ X0) |  (c1_1 @ X0) | ~ (c0_1 @ X0))) | 
% 6.56/1.53       ~ ( (ndr1_0))),
% 6.56/1.53      inference('split', [status(esa)], [zip_derived_cl141])).
% 6.56/1.53  thf(clause56, conjecture, (~( ( c0_1 @ a857 ) | ( ~( hskp21 ) ) ))).
% 6.56/1.53  thf(zf_stmt_66, negated_conjecture, (( c0_1 @ a857 ) | ( ~( hskp21 ) )),
% 6.56/1.53    inference('cnf.neg', [status(esa)], [clause56])).
% 6.56/1.53  thf(zip_derived_cl55, plain, (( (c0_1 @ a857) | ~ (hskp21))),
% 6.56/1.53      inference('cnf', [status(esa)], [zf_stmt_66])).
% 6.56/1.53  thf('79', plain, (( (c0_1 @ a857)) | ~ ( (hskp21))),
% 6.56/1.53      inference('split', [status(esa)], [zip_derived_cl55])).
% 6.56/1.53  thf(zip_derived_cl502, plain,
% 6.56/1.53      ((![X0 : $i]: ( (c2_1 @ X0) | ~ (c1_1 @ X0) | ~ (c0_1 @ X0)))
% 6.56/1.53         <= ((![X0 : $i]: ( (c2_1 @ X0) | ~ (c1_1 @ X0) | ~ (c0_1 @ X0))))),
% 6.56/1.53      inference('split', [status(esa)], [zip_derived_cl143])).
% 6.56/1.53  thf(zip_derived_cl297, plain, (( (c0_1 @ a857)) <= (( (c0_1 @ a857)))),
% 6.56/1.53      inference('split', [status(esa)], [zip_derived_cl55])).
% 6.56/1.53  thf(zip_derived_cl927, plain,
% 6.56/1.53      (((~ (c1_1 @ a857) |  (c2_1 @ a857)))
% 6.56/1.53         <= (( (c0_1 @ a857)) & 
% 6.56/1.53             (![X0 : $i]: ( (c2_1 @ X0) | ~ (c1_1 @ X0) | ~ (c0_1 @ X0))))),
% 6.56/1.53      inference('s_sup+', [status(thm)], [zip_derived_cl502, zip_derived_cl297])).
% 6.56/1.53  thf('80', plain,
% 6.56/1.53      (~ ( (c0_1 @ a857)) | ~ ( (c1_1 @ a857)) | 
% 6.56/1.53       ~ (![X0 : $i]: ( (c2_1 @ X0) | ~ (c1_1 @ X0) | ~ (c0_1 @ X0))) | 
% 6.56/1.53       ( (c2_1 @ a857))),
% 6.56/1.53      inference('split', [status(esa)], [zip_derived_cl927])).
% 6.56/1.53  thf(clause93, conjecture, (~( ( ~( hskp21 ) ) | ( ~( c2_1 @ a857 ) ) ))).
% 6.56/1.53  thf(zf_stmt_67, negated_conjecture, (( ~( hskp21 ) ) | ( ~( c2_1 @ a857 ) )),
% 6.56/1.53    inference('cnf.neg', [status(esa)], [clause93])).
% 6.56/1.53  thf(zip_derived_cl92, plain, ((~ (hskp21) | ~ (c2_1 @ a857))),
% 6.56/1.53      inference('cnf', [status(esa)], [zf_stmt_67])).
% 6.56/1.53  thf('81', plain, (~ ( (hskp21)) | ~ ( (c2_1 @ a857))),
% 6.56/1.53      inference('split', [status(esa)], [zip_derived_cl92])).
% 6.56/1.53  thf(clause94, conjecture, (~( ( ~( hskp21 ) ) | ( ~( c3_1 @ a857 ) ) ))).
% 6.56/1.53  thf(zf_stmt_68, negated_conjecture, (( ~( hskp21 ) ) | ( ~( c3_1 @ a857 ) )),
% 6.56/1.53    inference('cnf.neg', [status(esa)], [clause94])).
% 6.56/1.53  thf(zip_derived_cl93, plain, ((~ (hskp21) | ~ (c3_1 @ a857))),
% 6.56/1.53      inference('cnf', [status(esa)], [zf_stmt_68])).
% 6.56/1.53  thf('82', plain, (~ ( (hskp21)) | ~ ( (c3_1 @ a857))),
% 6.56/1.53      inference('split', [status(esa)], [zip_derived_cl93])).
% 6.56/1.53  thf(zip_derived_cl443, plain,
% 6.56/1.53      ((![X0 : $i]: ( (c3_1 @ X0) |  (c2_1 @ X0) |  (c1_1 @ X0)))
% 6.56/1.53         <= ((![X0 : $i]: ( (c3_1 @ X0) |  (c2_1 @ X0) |  (c1_1 @ X0))))),
% 6.56/1.53      inference('split', [status(esa)], [zip_derived_cl128])).
% 6.56/1.53  thf(zip_derived_cl371, plain, ((~ (c2_1 @ a857)) <= (~ ( (c2_1 @ a857)))),
% 6.56/1.53      inference('split', [status(esa)], [zip_derived_cl92])).
% 6.56/1.53  thf(zip_derived_cl963, plain,
% 6.56/1.53      ((( (c1_1 @ a857) |  (c3_1 @ a857)))
% 6.56/1.53         <= (~ ( (c2_1 @ a857)) & 
% 6.56/1.53             (![X0 : $i]: ( (c3_1 @ X0) |  (c2_1 @ X0) |  (c1_1 @ X0))))),
% 6.56/1.53      inference('s_sup-', [status(thm)], [zip_derived_cl443, zip_derived_cl371])).
% 6.56/1.53  thf('83', plain,
% 6.56/1.53      (( (c1_1 @ a857)) | ( (c3_1 @ a857)) | 
% 6.56/1.53       ~ (![X0 : $i]: ( (c3_1 @ X0) |  (c2_1 @ X0) |  (c1_1 @ X0))) | 
% 6.56/1.53       ( (c2_1 @ a857))),
% 6.56/1.53      inference('split', [status(esa)], [zip_derived_cl963])).
% 6.56/1.53  thf(clause177, conjecture,
% 6.56/1.53    (~( ( c2_1 @ W ) | ( c0_1 @ W ) | ( c1_1 @ V ) | ( c2_1 @ U ) | 
% 6.56/1.53        ( ~( c3_1 @ W ) ) | ( ~( c3_1 @ V ) ) | ( ~( c0_1 @ V ) ) | 
% 6.56/1.53        ( ~( ndr1_0 ) ) | ( ~( c3_1 @ U ) ) | ( ~( c1_1 @ U ) ) ))).
% 6.56/1.53  thf(zf_stmt_69, negated_conjecture,
% 6.56/1.53    (( c2_1 @ W ) | ( c0_1 @ W ) | ( c1_1 @ V ) | ( c2_1 @ U ) | 
% 6.56/1.53     ( ~( c3_1 @ W ) ) | ( ~( c3_1 @ V ) ) | ( ~( c0_1 @ V ) ) | 
% 6.56/1.53     ( ~( ndr1_0 ) ) | ( ~( c3_1 @ U ) ) | ( ~( c1_1 @ U ) )),
% 6.56/1.53    inference('cnf.neg', [status(esa)], [clause177])).
% 6.56/1.53  thf(zip_derived_cl176, plain,
% 6.56/1.53      (![X0 : $i, X1 : $i, X2 : $i]:
% 6.56/1.53         ( (c2_1 @ X0)
% 6.56/1.53          |  (c0_1 @ X0)
% 6.56/1.53          |  (c1_1 @ X1)
% 6.56/1.53          |  (c2_1 @ X2)
% 6.56/1.53          | ~ (c3_1 @ X0)
% 6.56/1.53          | ~ (c3_1 @ X1)
% 6.56/1.53          | ~ (c0_1 @ X1)
% 6.56/1.53          | ~ (ndr1_0)
% 6.56/1.53          | ~ (c3_1 @ X2)
% 6.56/1.53          | ~ (c1_1 @ X2))),
% 6.56/1.53      inference('cnf', [status(esa)], [zf_stmt_69])).
% 6.56/1.53  thf('84', plain,
% 6.56/1.53      ((![X0 : $i]: (~ (c3_1 @ X0) |  (c2_1 @ X0) |  (c0_1 @ X0))) | 
% 6.56/1.53       (![X2 : $i]: (~ (c3_1 @ X2) |  (c2_1 @ X2) | ~ (c1_1 @ X2))) | 
% 6.56/1.53       (![X0 : $i]: (~ (c3_1 @ X0) |  (c1_1 @ X0) | ~ (c0_1 @ X0))) | 
% 6.56/1.53       ~ ( (ndr1_0))),
% 6.56/1.53      inference('split', [status(esa)], [zip_derived_cl176])).
% 6.56/1.53  thf(zip_derived_cl545, plain,
% 6.56/1.53      ((![X1 : $i]: (~ (c3_1 @ X1) |  (c2_1 @ X1) |  (c1_1 @ X1)))
% 6.56/1.53         <= ((![X1 : $i]: (~ (c3_1 @ X1) |  (c2_1 @ X1) |  (c1_1 @ X1))))),
% 6.56/1.53      inference('split', [status(esa)], [zip_derived_cl154])).
% 6.56/1.53  thf(clause118, conjecture, (~( ( ~( hskp7 ) ) | ( ~( c2_1 @ a828 ) ) ))).
% 6.56/1.53  thf(zf_stmt_70, negated_conjecture, (( ~( hskp7 ) ) | ( ~( c2_1 @ a828 ) )),
% 6.56/1.53    inference('cnf.neg', [status(esa)], [clause118])).
% 6.56/1.53  thf(zip_derived_cl117, plain, ((~ (hskp7) | ~ (c2_1 @ a828))),
% 6.56/1.53      inference('cnf', [status(esa)], [zf_stmt_70])).
% 6.56/1.53  thf(zip_derived_cl421, plain, ((~ (c2_1 @ a828)) <= (~ ( (c2_1 @ a828)))),
% 6.56/1.53      inference('split', [status(esa)], [zip_derived_cl117])).
% 6.56/1.53  thf(zip_derived_cl1933, plain,
% 6.56/1.53      ((( (c1_1 @ a828) | ~ (c3_1 @ a828)))
% 6.56/1.53         <= (~ ( (c2_1 @ a828)) & 
% 6.56/1.53             (![X1 : $i]: (~ (c3_1 @ X1) |  (c2_1 @ X1) |  (c1_1 @ X1))))),
% 6.56/1.53      inference('s_sup-', [status(thm)], [zip_derived_cl545, zip_derived_cl421])).
% 6.56/1.53  thf('85', plain,
% 6.56/1.53      (( (c1_1 @ a828)) | ~ ( (c3_1 @ a828)) | 
% 6.56/1.53       ~ (![X1 : $i]: (~ (c3_1 @ X1) |  (c2_1 @ X1) |  (c1_1 @ X1))) | 
% 6.56/1.53       ( (c2_1 @ a828))),
% 6.56/1.53      inference('split', [status(esa)], [zip_derived_cl1933])).
% 6.56/1.53  thf(clause164, conjecture,
% 6.56/1.53    (~( ( hskp9 ) | ( c2_1 @ V ) | ( c1_1 @ V ) | ( c2_1 @ U ) | 
% 6.56/1.53        ( ~( c0_1 @ V ) ) | ( ~( ndr1_0 ) ) | ( ~( c3_1 @ U ) ) | 
% 6.56/1.53        ( ~( c0_1 @ U ) ) ))).
% 6.56/1.53  thf(zf_stmt_71, negated_conjecture,
% 6.56/1.53    (( hskp9 ) | ( c2_1 @ V ) | ( c1_1 @ V ) | ( c2_1 @ U ) | 
% 6.56/1.53     ( ~( c0_1 @ V ) ) | ( ~( ndr1_0 ) ) | ( ~( c3_1 @ U ) ) | 
% 6.56/1.53     ( ~( c0_1 @ U ) )),
% 6.56/1.53    inference('cnf.neg', [status(esa)], [clause164])).
% 6.56/1.53  thf(zip_derived_cl163, plain,
% 6.56/1.53      (![X0 : $i, X1 : $i]:
% 6.56/1.53         ( (hskp9)
% 6.56/1.53          |  (c2_1 @ X0)
% 6.56/1.53          |  (c1_1 @ X0)
% 6.56/1.53          |  (c2_1 @ X1)
% 6.56/1.53          | ~ (c0_1 @ X0)
% 6.56/1.53          | ~ (ndr1_0)
% 6.56/1.53          | ~ (c3_1 @ X1)
% 6.56/1.53          | ~ (c0_1 @ X1))),
% 6.56/1.53      inference('cnf', [status(esa)], [zf_stmt_71])).
% 6.56/1.53  thf('86', plain,
% 6.56/1.53      ((![X1 : $i]: ( (c2_1 @ X1) |  (c1_1 @ X1) | ~ (c0_1 @ X1))) | 
% 6.56/1.53       (![X1 : $i]: (~ (c3_1 @ X1) |  (c2_1 @ X1) | ~ (c0_1 @ X1))) | 
% 6.56/1.53       ( (hskp9)) | ~ ( (ndr1_0))),
% 6.56/1.53      inference('split', [status(esa)], [zip_derived_cl163])).
% 6.56/1.53  thf(zip_derived_cl529, plain,
% 6.56/1.53      ((![X1 : $i]: ( (c2_1 @ X1) |  (c1_1 @ X1) | ~ (c0_1 @ X1)))
% 6.56/1.53         <= ((![X1 : $i]: ( (c2_1 @ X1) |  (c1_1 @ X1) | ~ (c0_1 @ X1))))),
% 6.56/1.53      inference('split', [status(esa)], [zip_derived_cl150])).
% 6.56/1.53  thf(clause74, conjecture, (~( ( c0_1 @ a828 ) | ( ~( hskp7 ) ) ))).
% 6.56/1.53  thf(zf_stmt_72, negated_conjecture, (( c0_1 @ a828 ) | ( ~( hskp7 ) )),
% 6.56/1.53    inference('cnf.neg', [status(esa)], [clause74])).
% 6.56/1.53  thf(zip_derived_cl73, plain, (( (c0_1 @ a828) | ~ (hskp7))),
% 6.56/1.53      inference('cnf', [status(esa)], [zf_stmt_72])).
% 6.56/1.53  thf(zip_derived_cl333, plain, (( (c0_1 @ a828)) <= (( (c0_1 @ a828)))),
% 6.56/1.53      inference('split', [status(esa)], [zip_derived_cl73])).
% 6.56/1.53  thf(zip_derived_cl1597, plain,
% 6.56/1.53      ((( (c1_1 @ a828) |  (c2_1 @ a828)))
% 6.56/1.53         <= (( (c0_1 @ a828)) & 
% 6.56/1.53             (![X1 : $i]: ( (c2_1 @ X1) |  (c1_1 @ X1) | ~ (c0_1 @ X1))))),
% 6.56/1.53      inference('s_sup+', [status(thm)], [zip_derived_cl529, zip_derived_cl333])).
% 6.56/1.53  thf('87', plain,
% 6.56/1.53      (( (c1_1 @ a828)) | ( (c2_1 @ a828)) | 
% 6.56/1.53       ~ (![X1 : $i]: ( (c2_1 @ X1) |  (c1_1 @ X1) | ~ (c0_1 @ X1))) | 
% 6.56/1.53       ~ ( (c0_1 @ a828))),
% 6.56/1.53      inference('split', [status(esa)], [zip_derived_cl1597])).
% 6.56/1.53  thf(clause82, conjecture, (~( ( c0_1 @ a816 ) | ( ~( hskp1 ) ) ))).
% 6.56/1.53  thf(zf_stmt_73, negated_conjecture, (( c0_1 @ a816 ) | ( ~( hskp1 ) )),
% 6.56/1.53    inference('cnf.neg', [status(esa)], [clause82])).
% 6.56/1.53  thf(zip_derived_cl81, plain, (( (c0_1 @ a816) | ~ (hskp1))),
% 6.56/1.53      inference('cnf', [status(esa)], [zf_stmt_73])).
% 6.56/1.53  thf(zip_derived_cl349, plain, (( (c0_1 @ a816)) <= (( (c0_1 @ a816)))),
% 6.56/1.53      inference('split', [status(esa)], [zip_derived_cl81])).
% 6.56/1.53  thf(zip_derived_cl593, plain,
% 6.56/1.53      ((![X1 : $i]: (~ (c3_1 @ X1) | ~ (c1_1 @ X1) | ~ (c0_1 @ X1)))
% 6.56/1.53         <= ((![X1 : $i]: (~ (c3_1 @ X1) | ~ (c1_1 @ X1) | ~ (c0_1 @ X1))))),
% 6.56/1.53      inference('split', [status(esa)], [zip_derived_cl166])).
% 6.56/1.53  thf(zip_derived_cl856, plain,
% 6.56/1.53      (((~ (c3_1 @ a816) | ~ (c1_1 @ a816)))
% 6.56/1.53         <= (( (c0_1 @ a816)) & 
% 6.56/1.53             (![X1 : $i]: (~ (c3_1 @ X1) | ~ (c1_1 @ X1) | ~ (c0_1 @ X1))))),
% 6.56/1.53      inference('s_sup-', [status(thm)], [zip_derived_cl349, zip_derived_cl593])).
% 6.56/1.53  thf('88', plain,
% 6.56/1.53      (~ (![X1 : $i]: (~ (c3_1 @ X1) | ~ (c1_1 @ X1) | ~ (c0_1 @ X1))) | 
% 6.56/1.53       ~ ( (c1_1 @ a816)) | ~ ( (c0_1 @ a816)) | ~ ( (c3_1 @ a816))),
% 6.56/1.53      inference('split', [status(esa)], [zip_derived_cl856])).
% 6.56/1.53  thf(zip_derived_cl629, plain,
% 6.56/1.53      ((![X2 : $i]: (~ (c3_1 @ X2) |  (c2_1 @ X2) | ~ (c1_1 @ X2)))
% 6.56/1.53         <= ((![X2 : $i]: (~ (c3_1 @ X2) |  (c2_1 @ X2) | ~ (c1_1 @ X2))))),
% 6.56/1.53      inference('split', [status(esa)], [zip_derived_cl175])).
% 6.56/1.53  thf(zip_derived_cl401, plain, ((~ (c2_1 @ a839)) <= (~ ( (c2_1 @ a839)))),
% 6.56/1.53      inference('split', [status(esa)], [zip_derived_cl107])).
% 6.56/1.53  thf(zip_derived_cl1476, plain,
% 6.56/1.53      (((~ (c1_1 @ a839) | ~ (c3_1 @ a839)))
% 6.56/1.53         <= (~ ( (c2_1 @ a839)) & 
% 6.56/1.53             (![X2 : $i]: (~ (c3_1 @ X2) |  (c2_1 @ X2) | ~ (c1_1 @ X2))))),
% 6.56/1.53      inference('s_sup-', [status(thm)], [zip_derived_cl629, zip_derived_cl401])).
% 6.56/1.53  thf('89', plain,
% 6.56/1.53      (~ (![X2 : $i]: (~ (c3_1 @ X2) |  (c2_1 @ X2) | ~ (c1_1 @ X2))) | 
% 6.56/1.53       ~ ( (c1_1 @ a839)) | ~ ( (c3_1 @ a839)) | ( (c2_1 @ a839))),
% 6.56/1.53      inference('split', [status(esa)], [zip_derived_cl1476])).
% 6.56/1.53  thf(clause4, conjecture, (~( ( ndr1_0 ) | ( ~( hskp27 ) ) ))).
% 6.56/1.53  thf(zf_stmt_74, negated_conjecture, (( ndr1_0 ) | ( ~( hskp27 ) )),
% 6.56/1.53    inference('cnf.neg', [status(esa)], [clause4])).
% 6.56/1.53  thf(zip_derived_cl3, plain, (( (ndr1_0) | ~ (hskp27))),
% 6.56/1.53      inference('cnf', [status(esa)], [zf_stmt_74])).
% 6.56/1.53  thf('90', plain, (~ ( (hskp27)) | ( (ndr1_0))),
% 6.56/1.53      inference('split', [status(esa)], [zip_derived_cl3])).
% 6.56/1.53  thf('91', plain,
% 6.56/1.53      (( (hskp19)) | 
% 6.56/1.53       (![X0 : $i]: ( (c2_1 @ X0) | ~ (c1_1 @ X0) | ~ (c0_1 @ X0))) | 
% 6.56/1.53       (![X0 : $i]: (~ (c2_1 @ X0) |  (c1_1 @ X0) | ~ (c0_1 @ X0))) | 
% 6.56/1.53       ~ ( (ndr1_0))),
% 6.56/1.53      inference('split', [status(esa)], [zip_derived_cl167])).
% 6.56/1.53  thf(zip_derived_cl598, plain,
% 6.56/1.53      ((![X0 : $i]: (~ (c2_1 @ X0) |  (c1_1 @ X0) | ~ (c0_1 @ X0)))
% 6.56/1.53         <= ((![X0 : $i]: (~ (c2_1 @ X0) |  (c1_1 @ X0) | ~ (c0_1 @ X0))))),
% 6.56/1.53      inference('split', [status(esa)], [zip_derived_cl167])).
% 6.56/1.53  thf(zip_derived_cl275, plain, (( (c0_1 @ a826)) <= (( (c0_1 @ a826)))),
% 6.56/1.53      inference('split', [status(esa)], [zip_derived_cl44])).
% 6.56/1.53  thf(zip_derived_cl1194, plain,
% 6.56/1.53      ((( (c1_1 @ a826) | ~ (c2_1 @ a826)))
% 6.56/1.53         <= (( (c0_1 @ a826)) & 
% 6.56/1.53             (![X0 : $i]: (~ (c2_1 @ X0) |  (c1_1 @ X0) | ~ (c0_1 @ X0))))),
% 6.56/1.53      inference('s_sup+', [status(thm)], [zip_derived_cl598, zip_derived_cl275])).
% 6.56/1.53  thf('92', plain,
% 6.56/1.53      (~ (![X0 : $i]: (~ (c2_1 @ X0) |  (c1_1 @ X0) | ~ (c0_1 @ X0))) | 
% 6.56/1.53       ( (c1_1 @ a826)) | ~ ( (c2_1 @ a826)) | ~ ( (c0_1 @ a826))),
% 6.56/1.53      inference('split', [status(esa)], [zip_derived_cl1194])).
% 6.56/1.53  thf(zip_derived_cl550, plain,
% 6.56/1.53      ((![X0 : $i]: ( (c2_1 @ X0) | ~ (c1_1 @ X0) |  (c0_1 @ X0)))
% 6.56/1.53         <= ((![X0 : $i]: ( (c2_1 @ X0) | ~ (c1_1 @ X0) |  (c0_1 @ X0))))),
% 6.56/1.53      inference('split', [status(esa)], [zip_derived_cl155])).
% 6.56/1.53  thf(clause100, conjecture, (~( ( ~( hskp18 ) ) | ( ~( c0_1 @ a854 ) ) ))).
% 6.56/1.53  thf(zf_stmt_75, negated_conjecture, (( ~( hskp18 ) ) | ( ~( c0_1 @ a854 ) )),
% 6.56/1.53    inference('cnf.neg', [status(esa)], [clause100])).
% 6.56/1.53  thf(zip_derived_cl99, plain, ((~ (hskp18) | ~ (c0_1 @ a854))),
% 6.56/1.53      inference('cnf', [status(esa)], [zf_stmt_75])).
% 6.56/1.53  thf(zip_derived_cl385, plain, ((~ (c0_1 @ a854)) <= (~ ( (c0_1 @ a854)))),
% 6.56/1.53      inference('split', [status(esa)], [zip_derived_cl99])).
% 6.56/1.53  thf(zip_derived_cl1979, plain,
% 6.56/1.53      (((~ (c1_1 @ a854) |  (c2_1 @ a854)))
% 6.56/1.53         <= (~ ( (c0_1 @ a854)) & 
% 6.56/1.53             (![X0 : $i]: ( (c2_1 @ X0) | ~ (c1_1 @ X0) |  (c0_1 @ X0))))),
% 6.56/1.53      inference('s_sup-', [status(thm)], [zip_derived_cl550, zip_derived_cl385])).
% 6.56/1.53  thf('93', plain,
% 6.56/1.53      (( (c0_1 @ a854)) | ~ ( (c1_1 @ a854)) | 
% 6.56/1.53       ~ (![X0 : $i]: ( (c2_1 @ X0) | ~ (c1_1 @ X0) |  (c0_1 @ X0))) | 
% 6.56/1.53       ( (c2_1 @ a854))),
% 6.56/1.53      inference('split', [status(esa)], [zip_derived_cl1979])).
% 6.56/1.53  thf(zip_derived_cl565, plain,
% 6.56/1.53      ((![X1 : $i]: (~ (c3_1 @ X1) |  (c2_1 @ X1) | ~ (c0_1 @ X1)))
% 6.56/1.53         <= ((![X1 : $i]: (~ (c3_1 @ X1) |  (c2_1 @ X1) | ~ (c0_1 @ X1))))),
% 6.56/1.53      inference('split', [status(esa)], [zip_derived_cl159])).
% 6.56/1.53  thf(zip_derived_cl333, plain, (( (c0_1 @ a828)) <= (( (c0_1 @ a828)))),
% 6.56/1.53      inference('split', [status(esa)], [zip_derived_cl73])).
% 6.56/1.54  thf(zip_derived_cl1085, plain,
% 6.56/1.54      ((( (c2_1 @ a828) | ~ (c3_1 @ a828)))
% 6.56/1.54         <= (( (c0_1 @ a828)) & 
% 6.56/1.54             (![X1 : $i]: (~ (c3_1 @ X1) |  (c2_1 @ X1) | ~ (c0_1 @ X1))))),
% 6.56/1.54      inference('s_sup+', [status(thm)], [zip_derived_cl565, zip_derived_cl333])).
% 6.56/1.54  thf('94', plain,
% 6.56/1.54      (~ (![X1 : $i]: (~ (c3_1 @ X1) |  (c2_1 @ X1) | ~ (c0_1 @ X1))) | 
% 6.56/1.54       ~ ( (c3_1 @ a828)) | ~ ( (c0_1 @ a828)) | ( (c2_1 @ a828))),
% 6.56/1.54      inference('split', [status(esa)], [zip_derived_cl1085])).
% 6.56/1.54  thf(clause58, conjecture, (~( ( c1_1 @ a854 ) | ( ~( hskp18 ) ) ))).
% 6.56/1.54  thf(zf_stmt_76, negated_conjecture, (( c1_1 @ a854 ) | ( ~( hskp18 ) )),
% 6.56/1.54    inference('cnf.neg', [status(esa)], [clause58])).
% 6.56/1.54  thf(zip_derived_cl57, plain, (( (c1_1 @ a854) | ~ (hskp18))),
% 6.56/1.54      inference('cnf', [status(esa)], [zf_stmt_76])).
% 6.56/1.54  thf('95', plain, (( (c1_1 @ a854)) | ~ ( (hskp18))),
% 6.56/1.54      inference('split', [status(esa)], [zip_derived_cl57])).
% 6.56/1.54  thf('96', plain, (( (c2_1 @ a826)) | ~ ( (hskp27))),
% 6.56/1.54      inference('split', [status(esa)], [zip_derived_cl45])).
% 6.56/1.54  thf(zip_derived_cl498, plain,
% 6.56/1.54      ((![X0 : $i]: (~ (c3_1 @ X0) | ~ (c2_1 @ X0) |  (c1_1 @ X0)))
% 6.56/1.54         <= ((![X0 : $i]: (~ (c3_1 @ X0) | ~ (c2_1 @ X0) |  (c1_1 @ X0))))),
% 6.56/1.54      inference('split', [status(esa)], [zip_derived_cl142])).
% 6.56/1.54  thf(zip_derived_cl277, plain, (( (c2_1 @ a826)) <= (( (c2_1 @ a826)))),
% 6.56/1.54      inference('split', [status(esa)], [zip_derived_cl45])).
% 6.56/1.54  thf(zip_derived_cl900, plain,
% 6.56/1.54      ((( (c1_1 @ a826) | ~ (c3_1 @ a826)))
% 6.56/1.54         <= (( (c2_1 @ a826)) & 
% 6.56/1.54             (![X0 : $i]: (~ (c3_1 @ X0) | ~ (c2_1 @ X0) |  (c1_1 @ X0))))),
% 6.56/1.54      inference('s_sup+', [status(thm)], [zip_derived_cl498, zip_derived_cl277])).
% 6.56/1.54  thf('97', plain,
% 6.56/1.54      (( (c1_1 @ a826)) | 
% 6.56/1.54       ~ (![X0 : $i]: (~ (c3_1 @ X0) | ~ (c2_1 @ X0) |  (c1_1 @ X0))) | 
% 6.56/1.54       ~ ( (c2_1 @ a826)) | ~ ( (c3_1 @ a826))),
% 6.56/1.54      inference('split', [status(esa)], [zip_derived_cl900])).
% 6.56/1.54  thf(clause57, conjecture, (~( ( c3_1 @ a856 ) | ( ~( hskp20 ) ) ))).
% 6.56/1.54  thf(zf_stmt_77, negated_conjecture, (( c3_1 @ a856 ) | ( ~( hskp20 ) )),
% 6.56/1.54    inference('cnf.neg', [status(esa)], [clause57])).
% 6.56/1.54  thf(zip_derived_cl56, plain, (( (c3_1 @ a856) | ~ (hskp20))),
% 6.56/1.54      inference('cnf', [status(esa)], [zf_stmt_77])).
% 6.56/1.54  thf('98', plain, (( (c3_1 @ a856)) | ~ ( (hskp20))),
% 6.56/1.54      inference('split', [status(esa)], [zip_derived_cl56])).
% 6.56/1.54  thf(clause95, conjecture, (~( ( ~( hskp20 ) ) | ( ~( c1_1 @ a856 ) ) ))).
% 6.56/1.54  thf(zf_stmt_78, negated_conjecture, (( ~( hskp20 ) ) | ( ~( c1_1 @ a856 ) )),
% 6.56/1.54    inference('cnf.neg', [status(esa)], [clause95])).
% 6.56/1.54  thf(zip_derived_cl94, plain, ((~ (hskp20) | ~ (c1_1 @ a856))),
% 6.56/1.54      inference('cnf', [status(esa)], [zf_stmt_78])).
% 6.56/1.54  thf('99', plain, (~ ( (c1_1 @ a856)) | ~ ( (hskp20))),
% 6.56/1.54      inference('split', [status(esa)], [zip_derived_cl94])).
% 6.56/1.54  thf(clause96, conjecture, (~( ( ~( hskp20 ) ) | ( ~( c2_1 @ a856 ) ) ))).
% 6.56/1.54  thf(zf_stmt_79, negated_conjecture, (( ~( hskp20 ) ) | ( ~( c2_1 @ a856 ) )),
% 6.56/1.54    inference('cnf.neg', [status(esa)], [clause96])).
% 6.56/1.54  thf(zip_derived_cl95, plain, ((~ (hskp20) | ~ (c2_1 @ a856))),
% 6.56/1.54      inference('cnf', [status(esa)], [zf_stmt_79])).
% 6.56/1.54  thf('100', plain, (~ ( (c2_1 @ a856)) | ~ ( (hskp20))),
% 6.56/1.54      inference('split', [status(esa)], [zip_derived_cl95])).
% 6.56/1.54  thf(zip_derived_cl545, plain,
% 6.56/1.54      ((![X1 : $i]: (~ (c3_1 @ X1) |  (c2_1 @ X1) |  (c1_1 @ X1)))
% 6.56/1.54         <= ((![X1 : $i]: (~ (c3_1 @ X1) |  (c2_1 @ X1) |  (c1_1 @ X1))))),
% 6.56/1.54      inference('split', [status(esa)], [zip_derived_cl154])).
% 6.56/1.54  thf(zip_derived_cl377, plain, ((~ (c2_1 @ a856)) <= (~ ( (c2_1 @ a856)))),
% 6.56/1.54      inference('split', [status(esa)], [zip_derived_cl95])).
% 6.56/1.54  thf(zip_derived_cl1924, plain,
% 6.56/1.54      ((( (c1_1 @ a856) | ~ (c3_1 @ a856)))
% 6.56/1.54         <= (~ ( (c2_1 @ a856)) & 
% 6.56/1.54             (![X1 : $i]: (~ (c3_1 @ X1) |  (c2_1 @ X1) |  (c1_1 @ X1))))),
% 6.56/1.54      inference('s_sup-', [status(thm)], [zip_derived_cl545, zip_derived_cl377])).
% 6.56/1.54  thf('101', plain,
% 6.56/1.54      (~ (![X1 : $i]: (~ (c3_1 @ X1) |  (c2_1 @ X1) |  (c1_1 @ X1))) | 
% 6.56/1.54       ( (c1_1 @ a856)) | ( (c2_1 @ a856)) | ~ ( (c3_1 @ a856))),
% 6.56/1.54      inference('split', [status(esa)], [zip_derived_cl1924])).
% 6.56/1.54  thf(clause169, conjecture,
% 6.56/1.54    (~( ( hskp20 ) | ( c1_1 @ V ) | ( c1_1 @ U ) | ( ~( c3_1 @ V ) ) | 
% 6.56/1.54        ( ~( c0_1 @ V ) ) | ( ~( ndr1_0 ) ) | ( ~( c3_1 @ U ) ) | 
% 6.56/1.54        ( ~( c2_1 @ U ) ) ))).
% 6.56/1.54  thf(zf_stmt_80, negated_conjecture,
% 6.56/1.54    (( hskp20 ) | ( c1_1 @ V ) | ( c1_1 @ U ) | ( ~( c3_1 @ V ) ) | 
% 6.56/1.54     ( ~( c0_1 @ V ) ) | ( ~( ndr1_0 ) ) | ( ~( c3_1 @ U ) ) | 
% 6.56/1.54     ( ~( c2_1 @ U ) )),
% 6.56/1.54    inference('cnf.neg', [status(esa)], [clause169])).
% 6.56/1.54  thf(zip_derived_cl168, plain,
% 6.56/1.54      (![X0 : $i, X1 : $i]:
% 6.56/1.54         ( (hskp20)
% 6.56/1.54          |  (c1_1 @ X0)
% 6.56/1.54          |  (c1_1 @ X1)
% 6.56/1.54          | ~ (c3_1 @ X0)
% 6.56/1.54          | ~ (c0_1 @ X0)
% 6.56/1.54          | ~ (ndr1_0)
% 6.56/1.54          | ~ (c3_1 @ X1)
% 6.56/1.54          | ~ (c2_1 @ X1))),
% 6.56/1.54      inference('cnf', [status(esa)], [zf_stmt_80])).
% 6.56/1.54  thf('102', plain,
% 6.56/1.54      (( (hskp20)) | 
% 6.56/1.54       (![X0 : $i]: (~ (c3_1 @ X0) | ~ (c2_1 @ X0) |  (c1_1 @ X0))) | 
% 6.56/1.54       (![X0 : $i]: (~ (c3_1 @ X0) |  (c1_1 @ X0) | ~ (c0_1 @ X0))) | 
% 6.56/1.54       ~ ( (ndr1_0))),
% 6.56/1.54      inference('split', [status(esa)], [zip_derived_cl168])).
% 6.56/1.54  thf('103', plain,
% 6.56/1.54      ((![X0 : $i]: ( (c2_1 @ X0) | ~ (c1_1 @ X0) |  (c0_1 @ X0))) | 
% 6.56/1.54       ( (hskp9)) | ~ ( (ndr1_0)) | 
% 6.56/1.54       (![X1 : $i]: (~ (c3_1 @ X1) |  (c2_1 @ X1) | ~ (c0_1 @ X1)))),
% 6.56/1.54      inference('split', [status(esa)], [zip_derived_cl159])).
% 6.56/1.54  thf('104', plain, (~ ( (c0_1 @ a855)) | ~ ( (hskp19))),
% 6.56/1.54      inference('split', [status(esa)], [zip_derived_cl96])).
% 6.56/1.54  thf(clause98, conjecture, (~( ( ~( hskp19 ) ) | ( ~( c1_1 @ a855 ) ) ))).
% 6.56/1.54  thf(zf_stmt_81, negated_conjecture, (( ~( hskp19 ) ) | ( ~( c1_1 @ a855 ) )),
% 6.56/1.54    inference('cnf.neg', [status(esa)], [clause98])).
% 6.56/1.54  thf(zip_derived_cl97, plain, ((~ (hskp19) | ~ (c1_1 @ a855))),
% 6.56/1.54      inference('cnf', [status(esa)], [zf_stmt_81])).
% 6.56/1.54  thf('105', plain, (~ ( (c1_1 @ a855)) | ~ ( (hskp19))),
% 6.56/1.54      inference('split', [status(esa)], [zip_derived_cl97])).
% 6.56/1.54  thf(clause99, conjecture, (~( ( ~( hskp19 ) ) | ( ~( c3_1 @ a855 ) ) ))).
% 6.56/1.54  thf(zf_stmt_82, negated_conjecture, (( ~( hskp19 ) ) | ( ~( c3_1 @ a855 ) )),
% 6.56/1.54    inference('cnf.neg', [status(esa)], [clause99])).
% 6.56/1.54  thf(zip_derived_cl98, plain, ((~ (hskp19) | ~ (c3_1 @ a855))),
% 6.56/1.54      inference('cnf', [status(esa)], [zf_stmt_82])).
% 6.56/1.54  thf('106', plain, (~ ( (c3_1 @ a855)) | ~ ( (hskp19))),
% 6.56/1.54      inference('split', [status(esa)], [zip_derived_cl98])).
% 6.56/1.54  thf(zip_derived_cl446, plain,
% 6.56/1.54      ((![X0 : $i]: ( (c3_1 @ X0) |  (c1_1 @ X0) |  (c0_1 @ X0)))
% 6.56/1.54         <= ((![X0 : $i]: ( (c3_1 @ X0) |  (c1_1 @ X0) |  (c0_1 @ X0))))),
% 6.56/1.54      inference('split', [status(esa)], [zip_derived_cl129])).
% 6.56/1.54  thf(zip_derived_cl379, plain, ((~ (c0_1 @ a855)) <= (~ ( (c0_1 @ a855)))),
% 6.56/1.54      inference('split', [status(esa)], [zip_derived_cl96])).
% 6.56/1.54  thf(zip_derived_cl1065, plain,
% 6.56/1.54      ((( (c1_1 @ a855) |  (c3_1 @ a855)))
% 6.56/1.54         <= (~ ( (c0_1 @ a855)) & 
% 6.56/1.54             (![X0 : $i]: ( (c3_1 @ X0) |  (c1_1 @ X0) |  (c0_1 @ X0))))),
% 6.56/1.54      inference('s_sup-', [status(thm)], [zip_derived_cl446, zip_derived_cl379])).
% 6.56/1.54  thf('107', plain,
% 6.56/1.54      (~ (![X0 : $i]: ( (c3_1 @ X0) |  (c1_1 @ X0) |  (c0_1 @ X0))) | 
% 6.56/1.54       ( (c0_1 @ a855)) | ( (c1_1 @ a855)) | ( (c3_1 @ a855))),
% 6.56/1.54      inference('split', [status(esa)], [zip_derived_cl1065])).
% 6.56/1.54  thf(zip_derived_cl506, plain,
% 6.56/1.54      ((![X0 : $i]: ( (c3_1 @ X0) | ~ (c2_1 @ X0) | ~ (c1_1 @ X0)))
% 6.56/1.54         <= ((![X0 : $i]: ( (c3_1 @ X0) | ~ (c2_1 @ X0) | ~ (c1_1 @ X0))))),
% 6.56/1.54      inference('split', [status(esa)], [zip_derived_cl144])).
% 6.56/1.54  thf(zip_derived_cl285, plain, (( (c2_1 @ a818)) <= (( (c2_1 @ a818)))),
% 6.56/1.54      inference('split', [status(esa)], [zip_derived_cl49])).
% 6.56/1.54  thf(zip_derived_cl990, plain,
% 6.56/1.54      (((~ (c1_1 @ a818) |  (c3_1 @ a818)))
% 6.56/1.54         <= (( (c2_1 @ a818)) & 
% 6.56/1.54             (![X0 : $i]: ( (c3_1 @ X0) | ~ (c2_1 @ X0) | ~ (c1_1 @ X0))))),
% 6.56/1.54      inference('s_sup+', [status(thm)], [zip_derived_cl506, zip_derived_cl285])).
% 6.56/1.54  thf('108', plain,
% 6.56/1.54      (( (c3_1 @ a818)) | ~ ( (c2_1 @ a818)) | 
% 6.56/1.54       ~ (![X0 : $i]: ( (c3_1 @ X0) | ~ (c2_1 @ X0) | ~ (c1_1 @ X0))) | 
% 6.56/1.54       ~ ( (c1_1 @ a818))),
% 6.56/1.54      inference('split', [status(esa)], [zip_derived_cl990])).
% 6.56/1.54  thf('109', plain, (( (c2_1 @ a818)) | ~ ( (hskp26))),
% 6.56/1.54      inference('split', [status(esa)], [zip_derived_cl49])).
% 6.56/1.54  thf(zip_derived_cl446, plain,
% 6.56/1.54      ((![X0 : $i]: ( (c3_1 @ X0) |  (c1_1 @ X0) |  (c0_1 @ X0)))
% 6.56/1.54         <= ((![X0 : $i]: ( (c3_1 @ X0) |  (c1_1 @ X0) |  (c0_1 @ X0))))),
% 6.56/1.54      inference('split', [status(esa)], [zip_derived_cl129])).
% 6.56/1.54  thf(zip_derived_cl365, plain, ((~ (c0_1 @ a860)) <= (~ ( (c0_1 @ a860)))),
% 6.56/1.54      inference('split', [status(esa)], [zip_derived_cl89])).
% 6.56/1.54  thf(zip_derived_cl1064, plain,
% 6.56/1.54      ((( (c1_1 @ a860) |  (c3_1 @ a860)))
% 6.56/1.54         <= (~ ( (c0_1 @ a860)) & 
% 6.56/1.54             (![X0 : $i]: ( (c3_1 @ X0) |  (c1_1 @ X0) |  (c0_1 @ X0))))),
% 6.56/1.54      inference('s_sup-', [status(thm)], [zip_derived_cl446, zip_derived_cl365])).
% 6.56/1.54  thf('110', plain,
% 6.56/1.54      (~ (![X0 : $i]: ( (c3_1 @ X0) |  (c1_1 @ X0) |  (c0_1 @ X0))) | 
% 6.56/1.54       ( (c3_1 @ a860)) | ( (c0_1 @ a860)) | ( (c1_1 @ a860))),
% 6.56/1.54      inference('split', [status(esa)], [zip_derived_cl1064])).
% 6.56/1.54  thf(clause24, conjecture, (~( ( ndr1_0 ) | ( ~( hskp7 ) ) ))).
% 6.56/1.54  thf(zf_stmt_83, negated_conjecture, (( ndr1_0 ) | ( ~( hskp7 ) )),
% 6.56/1.54    inference('cnf.neg', [status(esa)], [clause24])).
% 6.56/1.54  thf(zip_derived_cl23, plain, (( (ndr1_0) | ~ (hskp7))),
% 6.56/1.54      inference('cnf', [status(esa)], [zf_stmt_83])).
% 6.56/1.54  thf('111', plain, (~ ( (hskp7)) | ( (ndr1_0))),
% 6.56/1.54      inference('split', [status(esa)], [zip_derived_cl23])).
% 6.56/1.54  thf('112', plain,
% 6.56/1.54      (( (hskp14)) | 
% 6.56/1.54       (![X0 : $i]: ( (c3_1 @ X0) | ~ (c2_1 @ X0) | ~ (c1_1 @ X0))) | 
% 6.56/1.54       ( (hskp7)) | ~ ( (ndr1_0))),
% 6.56/1.54      inference('split', [status(esa)], [zip_derived_cl144])).
% 6.56/1.54  thf(clause133, conjecture,
% 6.56/1.54    (~( ( hskp4 ) | ( hskp3 ) | ( c1_1 @ U ) | ( c0_1 @ U ) | 
% 6.56/1.54        ( ~( ndr1_0 ) ) | ( ~( c2_1 @ U ) ) ))).
% 6.56/1.54  thf(zf_stmt_84, negated_conjecture,
% 6.56/1.54    (( hskp4 ) | ( hskp3 ) | ( c1_1 @ U ) | ( c0_1 @ U ) | ( ~( ndr1_0 ) ) | 
% 6.56/1.54     ( ~( c2_1 @ U ) )),
% 6.56/1.54    inference('cnf.neg', [status(esa)], [clause133])).
% 6.56/1.54  thf(zip_derived_cl132, plain,
% 6.56/1.54      (![X0 : $i]:
% 6.56/1.54         ( (hskp4)
% 6.56/1.54          |  (hskp3)
% 6.56/1.54          |  (c1_1 @ X0)
% 6.56/1.54          |  (c0_1 @ X0)
% 6.56/1.54          | ~ (ndr1_0)
% 6.56/1.54          | ~ (c2_1 @ X0))),
% 6.56/1.54      inference('cnf', [status(esa)], [zf_stmt_84])).
% 6.56/1.54  thf(zip_derived_cl458, plain,
% 6.56/1.54      ((![X0 : $i]: (~ (c2_1 @ X0) |  (c1_1 @ X0) |  (c0_1 @ X0)))
% 6.56/1.54         <= ((![X0 : $i]: (~ (c2_1 @ X0) |  (c1_1 @ X0) |  (c0_1 @ X0))))),
% 6.56/1.54      inference('split', [status(esa)], [zip_derived_cl132])).
% 6.56/1.54  thf(clause125, conjecture, (~( ( ~( hskp2 ) ) | ( ~( c0_1 @ a817 ) ) ))).
% 6.56/1.54  thf(zf_stmt_85, negated_conjecture, (( ~( hskp2 ) ) | ( ~( c0_1 @ a817 ) )),
% 6.56/1.54    inference('cnf.neg', [status(esa)], [clause125])).
% 6.56/1.54  thf(zip_derived_cl124, plain, ((~ (hskp2) | ~ (c0_1 @ a817))),
% 6.56/1.54      inference('cnf', [status(esa)], [zf_stmt_85])).
% 6.56/1.54  thf(zip_derived_cl435, plain, ((~ (c0_1 @ a817)) <= (~ ( (c0_1 @ a817)))),
% 6.56/1.54      inference('split', [status(esa)], [zip_derived_cl124])).
% 6.56/1.54  thf(zip_derived_cl1250, plain,
% 6.56/1.54      ((( (c1_1 @ a817) | ~ (c2_1 @ a817)))
% 6.56/1.54         <= (~ ( (c0_1 @ a817)) & 
% 6.56/1.54             (![X0 : $i]: (~ (c2_1 @ X0) |  (c1_1 @ X0) |  (c0_1 @ X0))))),
% 6.56/1.54      inference('s_sup-', [status(thm)], [zip_derived_cl458, zip_derived_cl435])).
% 6.56/1.54  thf('113', plain,
% 6.56/1.54      (~ (![X0 : $i]: (~ (c2_1 @ X0) |  (c1_1 @ X0) |  (c0_1 @ X0))) | 
% 6.56/1.54       ( (c1_1 @ a817)) | ( (c0_1 @ a817)) | ~ ( (c2_1 @ a817))),
% 6.56/1.54      inference('split', [status(esa)], [zip_derived_cl1250])).
% 6.56/1.54  thf(zip_derived_cl506, plain,
% 6.56/1.54      ((![X0 : $i]: ( (c3_1 @ X0) | ~ (c2_1 @ X0) | ~ (c1_1 @ X0)))
% 6.56/1.54         <= ((![X0 : $i]: ( (c3_1 @ X0) | ~ (c2_1 @ X0) | ~ (c1_1 @ X0))))),
% 6.56/1.54      inference('split', [status(esa)], [zip_derived_cl144])).
% 6.56/1.54  thf(clause81, conjecture, (~( ( c2_1 @ a817 ) | ( ~( hskp2 ) ) ))).
% 6.56/1.54  thf(zf_stmt_86, negated_conjecture, (( c2_1 @ a817 ) | ( ~( hskp2 ) )),
% 6.56/1.54    inference('cnf.neg', [status(esa)], [clause81])).
% 6.56/1.54  thf(zip_derived_cl80, plain, (( (c2_1 @ a817) | ~ (hskp2))),
% 6.56/1.54      inference('cnf', [status(esa)], [zf_stmt_86])).
% 6.56/1.54  thf(zip_derived_cl347, plain, (( (c2_1 @ a817)) <= (( (c2_1 @ a817)))),
% 6.56/1.54      inference('split', [status(esa)], [zip_derived_cl80])).
% 6.56/1.54  thf(zip_derived_cl999, plain,
% 6.56/1.54      (((~ (c1_1 @ a817) |  (c3_1 @ a817)))
% 6.56/1.54         <= (( (c2_1 @ a817)) & 
% 6.56/1.54             (![X0 : $i]: ( (c3_1 @ X0) | ~ (c2_1 @ X0) | ~ (c1_1 @ X0))))),
% 6.56/1.54      inference('s_sup+', [status(thm)], [zip_derived_cl506, zip_derived_cl347])).
% 6.56/1.54  thf('114', plain,
% 6.56/1.54      (~ ( (c1_1 @ a817)) | ( (c3_1 @ a817)) | 
% 6.56/1.54       ~ (![X0 : $i]: ( (c3_1 @ X0) | ~ (c2_1 @ X0) | ~ (c1_1 @ X0))) | 
% 6.56/1.54       ~ ( (c2_1 @ a817))),
% 6.56/1.54      inference('split', [status(esa)], [zip_derived_cl999])).
% 6.56/1.54  thf(zip_derived_cl545, plain,
% 6.56/1.54      ((![X1 : $i]: (~ (c3_1 @ X1) |  (c2_1 @ X1) |  (c1_1 @ X1)))
% 6.56/1.54         <= ((![X1 : $i]: (~ (c3_1 @ X1) |  (c2_1 @ X1) |  (c1_1 @ X1))))),
% 6.56/1.54      inference('split', [status(esa)], [zip_derived_cl154])).
% 6.56/1.54  thf(zip_derived_cl561, plain,
% 6.56/1.54      ((![X1 : $i]: (~ (c2_1 @ X1) | ~ (c1_1 @ X1) |  (c0_1 @ X1)))
% 6.56/1.54         <= ((![X1 : $i]: (~ (c2_1 @ X1) | ~ (c1_1 @ X1) |  (c0_1 @ X1))))),
% 6.56/1.54      inference('split', [status(esa)], [zip_derived_cl158])).
% 6.56/1.54  thf(clause112, conjecture, (~( ( ~( hskp9 ) ) | ( ~( c0_1 @ a831 ) ) ))).
% 6.56/1.54  thf(zf_stmt_87, negated_conjecture, (( ~( hskp9 ) ) | ( ~( c0_1 @ a831 ) )),
% 6.56/1.54    inference('cnf.neg', [status(esa)], [clause112])).
% 6.56/1.54  thf(zip_derived_cl111, plain, ((~ (hskp9) | ~ (c0_1 @ a831))),
% 6.56/1.54      inference('cnf', [status(esa)], [zf_stmt_87])).
% 6.56/1.54  thf(zip_derived_cl409, plain, ((~ (c0_1 @ a831)) <= (~ ( (c0_1 @ a831)))),
% 6.56/1.54      inference('split', [status(esa)], [zip_derived_cl111])).
% 6.56/1.54  thf(zip_derived_cl1393, plain,
% 6.56/1.54      (((~ (c1_1 @ a831) | ~ (c2_1 @ a831)))
% 6.56/1.54         <= (~ ( (c0_1 @ a831)) & 
% 6.56/1.54             (![X1 : $i]: (~ (c2_1 @ X1) | ~ (c1_1 @ X1) |  (c0_1 @ X1))))),
% 6.56/1.54      inference('s_sup-', [status(thm)], [zip_derived_cl561, zip_derived_cl409])).
% 6.56/1.54  thf(zip_derived_cl1685, plain, ((~ (c2_1 @ a831)) <= (~ ( (c2_1 @ a831)))),
% 6.56/1.54      inference('split', [status(esa)], [zip_derived_cl1393])).
% 6.56/1.54  thf(zip_derived_cl1932, plain,
% 6.56/1.54      ((( (c1_1 @ a831) | ~ (c3_1 @ a831)))
% 6.56/1.54         <= (~ ( (c2_1 @ a831)) & 
% 6.56/1.54             (![X1 : $i]: (~ (c3_1 @ X1) |  (c2_1 @ X1) |  (c1_1 @ X1))))),
% 6.56/1.54      inference('s_sup-', [status(thm)],
% 6.56/1.54                [zip_derived_cl545, zip_derived_cl1685])).
% 6.56/1.54  thf('115', plain,
% 6.56/1.54      (( (c2_1 @ a831)) | ( (c1_1 @ a831)) | 
% 6.56/1.54       ~ (![X1 : $i]: (~ (c3_1 @ X1) |  (c2_1 @ X1) |  (c1_1 @ X1))) | 
% 6.56/1.54       ~ ( (c3_1 @ a831))),
% 6.56/1.54      inference('split', [status(esa)], [zip_derived_cl1932])).
% 6.56/1.54  thf(zip_derived_cl458, plain,
% 6.56/1.54      ((![X0 : $i]: (~ (c2_1 @ X0) |  (c1_1 @ X0) |  (c0_1 @ X0)))
% 6.56/1.54         <= ((![X0 : $i]: (~ (c2_1 @ X0) |  (c1_1 @ X0) |  (c0_1 @ X0))))),
% 6.56/1.54      inference('split', [status(esa)], [zip_derived_cl132])).
% 6.56/1.54  thf(zip_derived_cl409, plain, ((~ (c0_1 @ a831)) <= (~ ( (c0_1 @ a831)))),
% 6.56/1.54      inference('split', [status(esa)], [zip_derived_cl111])).
% 6.56/1.54  thf(zip_derived_cl1246, plain,
% 6.56/1.54      ((( (c1_1 @ a831) | ~ (c2_1 @ a831)))
% 6.56/1.54         <= (~ ( (c0_1 @ a831)) & 
% 6.56/1.54             (![X0 : $i]: (~ (c2_1 @ X0) |  (c1_1 @ X0) |  (c0_1 @ X0))))),
% 6.56/1.54      inference('s_sup-', [status(thm)], [zip_derived_cl458, zip_derived_cl409])).
% 6.56/1.54  thf('116', plain,
% 6.56/1.54      (~ (![X0 : $i]: (~ (c2_1 @ X0) |  (c1_1 @ X0) |  (c0_1 @ X0))) | 
% 6.56/1.54       ~ ( (c2_1 @ a831)) | ( (c1_1 @ a831)) | ( (c0_1 @ a831))),
% 6.56/1.54      inference('split', [status(esa)], [zip_derived_cl1246])).
% 6.56/1.54  thf(clause175, conjecture,
% 6.56/1.54    (~( ( c1_1 @ W ) | ( c0_1 @ W ) | ( c0_1 @ V ) | ( c3_1 @ U ) | 
% 6.56/1.54        ( ~( c2_1 @ W ) ) | ( ~( c3_1 @ V ) ) | ( ~( c1_1 @ V ) ) | 
% 6.56/1.54        ( ~( ndr1_0 ) ) | ( ~( c1_1 @ U ) ) | ( ~( c0_1 @ U ) ) ))).
% 6.56/1.54  thf(zf_stmt_88, negated_conjecture,
% 6.56/1.54    (( c1_1 @ W ) | ( c0_1 @ W ) | ( c0_1 @ V ) | ( c3_1 @ U ) | 
% 6.56/1.54     ( ~( c2_1 @ W ) ) | ( ~( c3_1 @ V ) ) | ( ~( c1_1 @ V ) ) | 
% 6.56/1.54     ( ~( ndr1_0 ) ) | ( ~( c1_1 @ U ) ) | ( ~( c0_1 @ U ) )),
% 6.56/1.54    inference('cnf.neg', [status(esa)], [clause175])).
% 6.56/1.54  thf(zip_derived_cl174, plain,
% 6.56/1.54      (![X0 : $i, X1 : $i, X2 : $i]:
% 6.56/1.54         ( (c1_1 @ X0)
% 6.56/1.54          |  (c0_1 @ X0)
% 6.56/1.54          |  (c0_1 @ X1)
% 6.56/1.54          |  (c3_1 @ X2)
% 6.56/1.54          | ~ (c2_1 @ X0)
% 6.56/1.54          | ~ (c3_1 @ X1)
% 6.56/1.54          | ~ (c1_1 @ X1)
% 6.56/1.54          | ~ (ndr1_0)
% 6.56/1.54          | ~ (c1_1 @ X2)
% 6.56/1.54          | ~ (c0_1 @ X2))),
% 6.56/1.54      inference('cnf', [status(esa)], [zf_stmt_88])).
% 6.56/1.54  thf('117', plain,
% 6.56/1.54      ((![X1 : $i]: ( (c3_1 @ X1) | ~ (c1_1 @ X1) | ~ (c0_1 @ X1))) | 
% 6.56/1.54       (![X0 : $i]: (~ (c3_1 @ X0) | ~ (c1_1 @ X0) |  (c0_1 @ X0))) | 
% 6.56/1.54       (![X0 : $i]: (~ (c2_1 @ X0) |  (c1_1 @ X0) |  (c0_1 @ X0))) | 
% 6.56/1.54       ~ ( (ndr1_0))),
% 6.56/1.54      inference('split', [status(esa)], [zip_derived_cl174])).
% 6.56/1.54  thf(zip_derived_cl526, plain,
% 6.56/1.54      ((![X1 : $i]: (~ (c3_1 @ X1) |  (c1_1 @ X1) |  (c0_1 @ X1)))
% 6.56/1.54         <= ((![X1 : $i]: (~ (c3_1 @ X1) |  (c1_1 @ X1) |  (c0_1 @ X1))))),
% 6.56/1.54      inference('split', [status(esa)], [zip_derived_cl149])).
% 6.56/1.54  thf(zip_derived_cl409, plain, ((~ (c0_1 @ a831)) <= (~ ( (c0_1 @ a831)))),
% 6.56/1.54      inference('split', [status(esa)], [zip_derived_cl111])).
% 6.56/1.54  thf(zip_derived_cl1834, plain,
% 6.56/1.54      ((( (c1_1 @ a831) | ~ (c3_1 @ a831)))
% 6.56/1.54         <= (~ ( (c0_1 @ a831)) & 
% 6.56/1.54             (![X1 : $i]: (~ (c3_1 @ X1) |  (c1_1 @ X1) |  (c0_1 @ X1))))),
% 6.56/1.54      inference('s_sup-', [status(thm)], [zip_derived_cl526, zip_derived_cl409])).
% 6.56/1.54  thf('118', plain,
% 6.56/1.54      (( (c0_1 @ a831)) | ( (c1_1 @ a831)) | 
% 6.56/1.54       ~ (![X1 : $i]: (~ (c3_1 @ X1) |  (c1_1 @ X1) |  (c0_1 @ X1))) | 
% 6.56/1.54       ~ ( (c3_1 @ a831))),
% 6.56/1.54      inference('split', [status(esa)], [zip_derived_cl1834])).
% 6.56/1.54  thf(clause22, conjecture, (~( ( ndr1_0 ) | ( ~( hskp9 ) ) ))).
% 6.56/1.54  thf(zf_stmt_89, negated_conjecture, (( ndr1_0 ) | ( ~( hskp9 ) )),
% 6.56/1.54    inference('cnf.neg', [status(esa)], [clause22])).
% 6.56/1.54  thf(zip_derived_cl21, plain, (( (ndr1_0) | ~ (hskp9))),
% 6.56/1.54      inference('cnf', [status(esa)], [zf_stmt_89])).
% 6.56/1.54  thf('119', plain, (~ ( (hskp9)) | ( (ndr1_0))),
% 6.56/1.54      inference('split', [status(esa)], [zip_derived_cl21])).
% 6.56/1.54  thf(clause166, conjecture,
% 6.56/1.54    (~( ( hskp9 ) | ( c0_1 @ V ) | ( c3_1 @ U ) | ( ~( c3_1 @ V ) ) | 
% 6.56/1.54        ( ~( c1_1 @ V ) ) | ( ~( ndr1_0 ) ) | ( ~( c1_1 @ U ) ) | 
% 6.56/1.54        ( ~( c0_1 @ U ) ) ))).
% 6.56/1.54  thf(zf_stmt_90, negated_conjecture,
% 6.56/1.54    (( hskp9 ) | ( c0_1 @ V ) | ( c3_1 @ U ) | ( ~( c3_1 @ V ) ) | 
% 6.56/1.54     ( ~( c1_1 @ V ) ) | ( ~( ndr1_0 ) ) | ( ~( c1_1 @ U ) ) | 
% 6.56/1.54     ( ~( c0_1 @ U ) )),
% 6.56/1.54    inference('cnf.neg', [status(esa)], [clause166])).
% 6.56/1.54  thf(zip_derived_cl165, plain,
% 6.56/1.54      (![X0 : $i, X1 : $i]:
% 6.56/1.54         ( (hskp9)
% 6.56/1.54          |  (c0_1 @ X0)
% 6.56/1.54          |  (c3_1 @ X1)
% 6.56/1.54          | ~ (c3_1 @ X0)
% 6.56/1.54          | ~ (c1_1 @ X0)
% 6.56/1.54          | ~ (ndr1_0)
% 6.56/1.54          | ~ (c1_1 @ X1)
% 6.56/1.54          | ~ (c0_1 @ X1))),
% 6.56/1.54      inference('cnf', [status(esa)], [zf_stmt_90])).
% 6.56/1.54  thf('120', plain,
% 6.56/1.54      ((![X1 : $i]: ( (c3_1 @ X1) | ~ (c1_1 @ X1) | ~ (c0_1 @ X1))) | 
% 6.56/1.54       (![X0 : $i]: (~ (c3_1 @ X0) | ~ (c1_1 @ X0) |  (c0_1 @ X0))) | 
% 6.56/1.54       ( (hskp9)) | ~ ( (ndr1_0))),
% 6.56/1.54      inference('split', [status(esa)], [zip_derived_cl165])).
% 6.56/1.54  thf(clause13, conjecture, (~( ( ndr1_0 ) | ( ~( hskp18 ) ) ))).
% 6.56/1.54  thf(zf_stmt_91, negated_conjecture, (( ndr1_0 ) | ( ~( hskp18 ) )),
% 6.56/1.54    inference('cnf.neg', [status(esa)], [clause13])).
% 6.56/1.54  thf(zip_derived_cl12, plain, (( (ndr1_0) | ~ (hskp18))),
% 6.56/1.54      inference('cnf', [status(esa)], [zf_stmt_91])).
% 6.56/1.54  thf('121', plain, (~ ( (hskp18)) | ( (ndr1_0))),
% 6.56/1.54      inference('split', [status(esa)], [zip_derived_cl12])).
% 6.56/1.54  thf(clause65, conjecture, (~( ( c1_1 @ a839 ) | ( ~( hskp13 ) ) ))).
% 6.56/1.54  thf(zf_stmt_92, negated_conjecture, (( c1_1 @ a839 ) | ( ~( hskp13 ) )),
% 6.56/1.54    inference('cnf.neg', [status(esa)], [clause65])).
% 6.56/1.54  thf(zip_derived_cl64, plain, (( (c1_1 @ a839) | ~ (hskp13))),
% 6.56/1.54      inference('cnf', [status(esa)], [zf_stmt_92])).
% 6.56/1.54  thf('122', plain, (( (c1_1 @ a839)) | ~ ( (hskp13))),
% 6.56/1.54      inference('split', [status(esa)], [zip_derived_cl64])).
% 6.56/1.54  thf(clause66, conjecture, (~( ( c3_1 @ a839 ) | ( ~( hskp13 ) ) ))).
% 6.56/1.54  thf(zf_stmt_93, negated_conjecture, (( c3_1 @ a839 ) | ( ~( hskp13 ) )),
% 6.56/1.54    inference('cnf.neg', [status(esa)], [clause66])).
% 6.56/1.54  thf(zip_derived_cl65, plain, (( (c3_1 @ a839) | ~ (hskp13))),
% 6.56/1.54      inference('cnf', [status(esa)], [zf_stmt_93])).
% 6.56/1.54  thf('123', plain, (( (c3_1 @ a839)) | ~ ( (hskp13))),
% 6.56/1.54      inference('split', [status(esa)], [zip_derived_cl65])).
% 6.56/1.54  thf(clause37, conjecture, (~( ( hskp13 ) | ( hskp5 ) | ( hskp7 ) ))).
% 6.56/1.54  thf(zf_stmt_94, negated_conjecture, (( hskp13 ) | ( hskp5 ) | ( hskp7 )),
% 6.56/1.54    inference('cnf.neg', [status(esa)], [clause37])).
% 6.56/1.54  thf(zip_derived_cl36, plain, (( (hskp13) |  (hskp5) |  (hskp7))),
% 6.56/1.54      inference('cnf', [status(esa)], [zf_stmt_94])).
% 6.56/1.54  thf('124', plain, (( (hskp13)) | ( (hskp5)) | ( (hskp7))),
% 6.56/1.54      inference('split', [status(esa)], [zip_derived_cl36])).
% 6.56/1.54  thf(clause77, conjecture, (~( ( c1_1 @ a825 ) | ( ~( hskp5 ) ) ))).
% 6.56/1.54  thf(zf_stmt_95, negated_conjecture, (( c1_1 @ a825 ) | ( ~( hskp5 ) )),
% 6.56/1.54    inference('cnf.neg', [status(esa)], [clause77])).
% 6.56/1.54  thf(zip_derived_cl76, plain, (( (c1_1 @ a825) | ~ (hskp5))),
% 6.56/1.54      inference('cnf', [status(esa)], [zf_stmt_95])).
% 6.56/1.54  thf('125', plain, (( (c1_1 @ a825)) | ~ ( (hskp5))),
% 6.56/1.54      inference('split', [status(esa)], [zip_derived_cl76])).
% 6.56/1.54  thf(clause78, conjecture, (~( ( c3_1 @ a825 ) | ( ~( hskp5 ) ) ))).
% 6.56/1.54  thf(zf_stmt_96, negated_conjecture, (( c3_1 @ a825 ) | ( ~( hskp5 ) )),
% 6.56/1.54    inference('cnf.neg', [status(esa)], [clause78])).
% 6.56/1.54  thf(zip_derived_cl77, plain, (( (c3_1 @ a825) | ~ (hskp5))),
% 6.56/1.54      inference('cnf', [status(esa)], [zf_stmt_96])).
% 6.56/1.54  thf('126', plain, (( (c3_1 @ a825)) | ~ ( (hskp5))),
% 6.56/1.54      inference('split', [status(esa)], [zip_derived_cl77])).
% 6.56/1.54  thf('127', plain, (~ ( (c0_1 @ a825)) | ~ ( (hskp5))),
% 6.56/1.54      inference('split', [status(esa)], [zip_derived_cl119])).
% 6.56/1.54  thf(clause140, conjecture,
% 6.56/1.54    (~( ( hskp13 ) | ( hskp14 ) | ( c0_1 @ U ) | ( ~( ndr1_0 ) ) | 
% 6.56/1.54        ( ~( c3_1 @ U ) ) | ( ~( c1_1 @ U ) ) ))).
% 6.56/1.54  thf(zf_stmt_97, negated_conjecture,
% 6.56/1.54    (( hskp13 ) | ( hskp14 ) | ( c0_1 @ U ) | ( ~( ndr1_0 ) ) | 
% 6.56/1.54     ( ~( c3_1 @ U ) ) | ( ~( c1_1 @ U ) )),
% 6.56/1.54    inference('cnf.neg', [status(esa)], [clause140])).
% 6.56/1.54  thf(zip_derived_cl139, plain,
% 6.56/1.54      (![X0 : $i]:
% 6.56/1.54         ( (hskp13)
% 6.56/1.54          |  (hskp14)
% 6.56/1.54          |  (c0_1 @ X0)
% 6.56/1.54          | ~ (ndr1_0)
% 6.56/1.54          | ~ (c3_1 @ X0)
% 6.56/1.54          | ~ (c1_1 @ X0))),
% 6.56/1.54      inference('cnf', [status(esa)], [zf_stmt_97])).
% 6.56/1.54  thf(zip_derived_cl486, plain,
% 6.56/1.54      ((![X0 : $i]: (~ (c3_1 @ X0) | ~ (c1_1 @ X0) |  (c0_1 @ X0)))
% 6.56/1.54         <= ((![X0 : $i]: (~ (c3_1 @ X0) | ~ (c1_1 @ X0) |  (c0_1 @ X0))))),
% 6.56/1.54      inference('split', [status(esa)], [zip_derived_cl139])).
% 6.56/1.54  thf(zip_derived_cl425, plain, ((~ (c0_1 @ a825)) <= (~ ( (c0_1 @ a825)))),
% 6.56/1.54      inference('split', [status(esa)], [zip_derived_cl119])).
% 6.56/1.54  thf(zip_derived_cl1339, plain,
% 6.56/1.54      (((~ (c1_1 @ a825) | ~ (c3_1 @ a825)))
% 6.56/1.54         <= (~ ( (c0_1 @ a825)) & 
% 6.56/1.54             (![X0 : $i]: (~ (c3_1 @ X0) | ~ (c1_1 @ X0) |  (c0_1 @ X0))))),
% 6.56/1.54      inference('s_sup-', [status(thm)], [zip_derived_cl486, zip_derived_cl425])).
% 6.56/1.54  thf('128', plain,
% 6.56/1.54      (~ (![X0 : $i]: (~ (c3_1 @ X0) | ~ (c1_1 @ X0) |  (c0_1 @ X0))) | 
% 6.56/1.54       ~ ( (c3_1 @ a825)) | ( (c0_1 @ a825)) | ~ ( (c1_1 @ a825))),
% 6.56/1.54      inference('split', [status(esa)], [zip_derived_cl1339])).
% 6.56/1.54  thf(zip_derived_cl593, plain,
% 6.56/1.54      ((![X1 : $i]: (~ (c3_1 @ X1) | ~ (c1_1 @ X1) | ~ (c0_1 @ X1)))
% 6.56/1.54         <= ((![X1 : $i]: (~ (c3_1 @ X1) | ~ (c1_1 @ X1) | ~ (c0_1 @ X1))))),
% 6.56/1.54      inference('split', [status(esa)], [zip_derived_cl166])).
% 6.56/1.54  thf(zip_derived_cl486, plain,
% 6.56/1.54      ((![X0 : $i]: (~ (c3_1 @ X0) | ~ (c1_1 @ X0) |  (c0_1 @ X0)))
% 6.56/1.54         <= ((![X0 : $i]: (~ (c3_1 @ X0) | ~ (c1_1 @ X0) |  (c0_1 @ X0))))),
% 6.56/1.54      inference('split', [status(esa)], [zip_derived_cl139])).
% 6.56/1.54  thf(zip_derived_cl1352, plain,
% 6.56/1.54      ((![X0 : $i]:
% 6.56/1.54          (~ (c1_1 @ X0) | ~ (c3_1 @ X0) | ~ (c3_1 @ X0) | ~ (c1_1 @ X0)))
% 6.56/1.54         <= ((![X0 : $i]: (~ (c3_1 @ X0) | ~ (c1_1 @ X0) |  (c0_1 @ X0))) & 
% 6.56/1.54             (![X1 : $i]: (~ (c3_1 @ X1) | ~ (c1_1 @ X1) | ~ (c0_1 @ X1))))),
% 6.56/1.54      inference('s_sup+', [status(thm)], [zip_derived_cl593, zip_derived_cl486])).
% 6.56/1.54  thf(zip_derived_cl1358, plain,
% 6.56/1.54      ((![X0 : $i]: (~ (c3_1 @ X0) | ~ (c1_1 @ X0)))
% 6.56/1.54         <= ((![X0 : $i]: (~ (c3_1 @ X0) | ~ (c1_1 @ X0) |  (c0_1 @ X0))) & 
% 6.56/1.54             (![X1 : $i]: (~ (c3_1 @ X1) | ~ (c1_1 @ X1) | ~ (c0_1 @ X1))))),
% 6.56/1.54      inference('simplify', [status(thm)], [zip_derived_cl1352])).
% 6.56/1.54  thf(zip_derived_cl317, plain, (( (c3_1 @ a839)) <= (( (c3_1 @ a839)))),
% 6.56/1.54      inference('split', [status(esa)], [zip_derived_cl65])).
% 6.56/1.54  thf(zip_derived_cl2106, plain,
% 6.56/1.54      ((~ (c1_1 @ a839))
% 6.56/1.54         <= (( (c3_1 @ a839)) & 
% 6.56/1.54             (![X0 : $i]: (~ (c3_1 @ X0) | ~ (c1_1 @ X0) |  (c0_1 @ X0))) & 
% 6.56/1.54             (![X1 : $i]: (~ (c3_1 @ X1) | ~ (c1_1 @ X1) | ~ (c0_1 @ X1))))),
% 6.56/1.54      inference('s_sup+', [status(thm)],
% 6.56/1.54                [zip_derived_cl1358, zip_derived_cl317])).
% 6.56/1.54  thf(zip_derived_cl315, plain, (( (c1_1 @ a839)) <= (( (c1_1 @ a839)))),
% 6.56/1.54      inference('split', [status(esa)], [zip_derived_cl64])).
% 6.56/1.54  thf('129', plain,
% 6.56/1.54      (~ (![X1 : $i]: (~ (c3_1 @ X1) | ~ (c1_1 @ X1) | ~ (c0_1 @ X1))) | 
% 6.56/1.54       ~ ( (c1_1 @ a839)) | ~ ( (c3_1 @ a839)) | 
% 6.56/1.54       ~ (![X0 : $i]: (~ (c3_1 @ X0) | ~ (c1_1 @ X0) |  (c0_1 @ X0)))),
% 6.56/1.54      inference('s_sup+', [status(thm)],
% 6.56/1.54                [zip_derived_cl2106, zip_derived_cl315])).
% 6.56/1.54  thf('130', plain,
% 6.56/1.54      (( (hskp22)) | ( (hskp14)) | 
% 6.56/1.54       (![X0 : $i]: (~ (c3_1 @ X0) | ~ (c2_1 @ X0) |  (c1_1 @ X0))) | 
% 6.56/1.54       ~ ( (ndr1_0))),
% 6.56/1.54      inference('split', [status(esa)], [zip_derived_cl142])).
% 6.56/1.54  thf(zip_derived_cl498, plain,
% 6.56/1.54      ((![X0 : $i]: (~ (c3_1 @ X0) | ~ (c2_1 @ X0) |  (c1_1 @ X0)))
% 6.56/1.54         <= ((![X0 : $i]: (~ (c3_1 @ X0) | ~ (c2_1 @ X0) |  (c1_1 @ X0))))),
% 6.56/1.54      inference('split', [status(esa)], [zip_derived_cl142])).
% 6.56/1.54  thf(clause79, conjecture, (~( ( c2_1 @ a821 ) | ( ~( hskp4 ) ) ))).
% 6.56/1.54  thf(zf_stmt_98, negated_conjecture, (( c2_1 @ a821 ) | ( ~( hskp4 ) )),
% 6.56/1.54    inference('cnf.neg', [status(esa)], [clause79])).
% 6.56/1.54  thf(zip_derived_cl78, plain, (( (c2_1 @ a821) | ~ (hskp4))),
% 6.56/1.54      inference('cnf', [status(esa)], [zf_stmt_98])).
% 6.56/1.54  thf(zip_derived_cl343, plain, (( (c2_1 @ a821)) <= (( (c2_1 @ a821)))),
% 6.56/1.54      inference('split', [status(esa)], [zip_derived_cl78])).
% 6.56/1.54  thf(zip_derived_cl909, plain,
% 6.56/1.54      ((( (c1_1 @ a821) | ~ (c3_1 @ a821)))
% 6.56/1.54         <= (( (c2_1 @ a821)) & 
% 6.56/1.54             (![X0 : $i]: (~ (c3_1 @ X0) | ~ (c2_1 @ X0) |  (c1_1 @ X0))))),
% 6.56/1.54      inference('s_sup+', [status(thm)], [zip_derived_cl498, zip_derived_cl343])).
% 6.56/1.54  thf('131', plain,
% 6.56/1.54      (~ ( (c3_1 @ a821)) | 
% 6.56/1.54       ~ (![X0 : $i]: (~ (c3_1 @ X0) | ~ (c2_1 @ X0) |  (c1_1 @ X0))) | 
% 6.56/1.54       ( (c1_1 @ a821)) | ~ ( (c2_1 @ a821))),
% 6.56/1.54      inference('split', [status(esa)], [zip_derived_cl909])).
% 6.56/1.54  thf('132', plain, (( (c2_1 @ a821)) | ~ ( (hskp4))),
% 6.56/1.54      inference('split', [status(esa)], [zip_derived_cl78])).
% 6.56/1.54  thf('133', plain, (~ ( (c0_1 @ a821)) | ~ ( (hskp4))),
% 6.56/1.54      inference('split', [status(esa)], [zip_derived_cl120])).
% 6.56/1.54  thf(clause122, conjecture, (~( ( ~( hskp4 ) ) | ( ~( c1_1 @ a821 ) ) ))).
% 6.56/1.54  thf(zf_stmt_99, negated_conjecture, (( ~( hskp4 ) ) | ( ~( c1_1 @ a821 ) )),
% 6.56/1.54    inference('cnf.neg', [status(esa)], [clause122])).
% 6.56/1.54  thf(zip_derived_cl121, plain, ((~ (hskp4) | ~ (c1_1 @ a821))),
% 6.56/1.54      inference('cnf', [status(esa)], [zf_stmt_99])).
% 6.56/1.54  thf('134', plain, (~ ( (c1_1 @ a821)) | ~ ( (hskp4))),
% 6.56/1.54      inference('split', [status(esa)], [zip_derived_cl121])).
% 6.56/1.54  thf(clause132, conjecture,
% 6.56/1.54    (~( ( hskp4 ) | ( hskp7 ) | ( c3_1 @ U ) | ( c2_1 @ U ) | ( c0_1 @ U ) | 
% 6.56/1.54        ( ~( ndr1_0 ) ) ))).
% 6.56/1.54  thf(zf_stmt_100, negated_conjecture,
% 6.56/1.54    (( hskp4 ) | ( hskp7 ) | ( c3_1 @ U ) | ( c2_1 @ U ) | ( c0_1 @ U ) | 
% 6.56/1.54     ( ~( ndr1_0 ) )),
% 6.56/1.54    inference('cnf.neg', [status(esa)], [clause132])).
% 6.56/1.54  thf(zip_derived_cl131, plain,
% 6.56/1.54      (![X0 : $i]:
% 6.56/1.54         ( (hskp4)
% 6.56/1.54          |  (hskp7)
% 6.56/1.54          |  (c3_1 @ X0)
% 6.56/1.54          |  (c2_1 @ X0)
% 6.56/1.54          |  (c0_1 @ X0)
% 6.56/1.54          | ~ (ndr1_0))),
% 6.56/1.54      inference('cnf', [status(esa)], [zf_stmt_100])).
% 6.56/1.54  thf('135', plain,
% 6.56/1.54      ((![X0 : $i]: ( (c3_1 @ X0) |  (c2_1 @ X0) |  (c0_1 @ X0))) | 
% 6.56/1.54       ~ ( (ndr1_0)) | ( (hskp7)) | ( (hskp4))),
% 6.56/1.54      inference('split', [status(esa)], [zip_derived_cl131])).
% 6.56/1.54  thf(zip_derived_cl450, plain,
% 6.56/1.54      ((![X0 : $i]: ( (c3_1 @ X0) |  (c2_1 @ X0) |  (c0_1 @ X0)))
% 6.56/1.54         <= ((![X0 : $i]: ( (c3_1 @ X0) |  (c2_1 @ X0) |  (c0_1 @ X0))))),
% 6.56/1.54      inference('split', [status(esa)], [zip_derived_cl130])).
% 6.56/1.54  thf(zip_derived_cl385, plain, ((~ (c0_1 @ a854)) <= (~ ( (c0_1 @ a854)))),
% 6.56/1.54      inference('split', [status(esa)], [zip_derived_cl99])).
% 6.56/1.54  thf(zip_derived_cl1121, plain,
% 6.56/1.54      ((( (c2_1 @ a854) |  (c3_1 @ a854)))
% 6.56/1.54         <= (~ ( (c0_1 @ a854)) & 
% 6.56/1.54             (![X0 : $i]: ( (c3_1 @ X0) |  (c2_1 @ X0) |  (c0_1 @ X0))))),
% 6.56/1.54      inference('s_sup-', [status(thm)], [zip_derived_cl450, zip_derived_cl385])).
% 6.56/1.54  thf('136', plain,
% 6.56/1.54      (( (c3_1 @ a854)) | ( (c2_1 @ a854)) | 
% 6.56/1.54       ~ (![X0 : $i]: ( (c3_1 @ X0) |  (c2_1 @ X0) |  (c0_1 @ X0))) | 
% 6.56/1.54       ( (c0_1 @ a854))),
% 6.56/1.54      inference('split', [status(esa)], [zip_derived_cl1121])).
% 6.56/1.54  thf(zip_derived_cl462, plain,
% 6.56/1.54      ((![X0 : $i]: (~ (c3_1 @ X0) |  (c2_1 @ X0) |  (c0_1 @ X0)))
% 6.56/1.54         <= ((![X0 : $i]: (~ (c3_1 @ X0) |  (c2_1 @ X0) |  (c0_1 @ X0))))),
% 6.56/1.54      inference('split', [status(esa)], [zip_derived_cl133])).
% 6.56/1.54  thf(zip_derived_cl385, plain, ((~ (c0_1 @ a854)) <= (~ ( (c0_1 @ a854)))),
% 6.56/1.54      inference('split', [status(esa)], [zip_derived_cl99])).
% 6.56/1.54  thf(zip_derived_cl1295, plain,
% 6.56/1.54      ((( (c2_1 @ a854) | ~ (c3_1 @ a854)))
% 6.56/1.54         <= (~ ( (c0_1 @ a854)) & 
% 6.56/1.54             (![X0 : $i]: (~ (c3_1 @ X0) |  (c2_1 @ X0) |  (c0_1 @ X0))))),
% 6.56/1.54      inference('s_sup-', [status(thm)], [zip_derived_cl462, zip_derived_cl385])).
% 6.56/1.54  thf('137', plain,
% 6.56/1.54      (( (c0_1 @ a854)) | ~ ( (c3_1 @ a854)) | 
% 6.56/1.54       ~ (![X0 : $i]: (~ (c3_1 @ X0) |  (c2_1 @ X0) |  (c0_1 @ X0))) | 
% 6.56/1.54       ( (c2_1 @ a854))),
% 6.56/1.54      inference('split', [status(esa)], [zip_derived_cl1295])).
% 6.56/1.54  thf('138', plain, (~ ( (hskp18)) | ~ ( (c0_1 @ a854))),
% 6.56/1.54      inference('split', [status(esa)], [zip_derived_cl99])).
% 6.56/1.54  thf(clause101, conjecture, (~( ( ~( hskp18 ) ) | ( ~( c2_1 @ a854 ) ) ))).
% 6.56/1.54  thf(zf_stmt_101, negated_conjecture,
% 6.56/1.54    (( ~( hskp18 ) ) | ( ~( c2_1 @ a854 ) )),
% 6.56/1.54    inference('cnf.neg', [status(esa)], [clause101])).
% 6.56/1.54  thf(zip_derived_cl100, plain, ((~ (hskp18) | ~ (c2_1 @ a854))),
% 6.56/1.54      inference('cnf', [status(esa)], [zf_stmt_101])).
% 6.56/1.54  thf('139', plain, (~ ( (hskp18)) | ~ ( (c2_1 @ a854))),
% 6.56/1.54      inference('split', [status(esa)], [zip_derived_cl100])).
% 6.56/1.54  thf(clause34, conjecture, (~( ( hskp9 ) | ( hskp18 ) | ( hskp27 ) ))).
% 6.56/1.54  thf(zf_stmt_102, negated_conjecture, (( hskp9 ) | ( hskp18 ) | ( hskp27 )),
% 6.56/1.54    inference('cnf.neg', [status(esa)], [clause34])).
% 6.56/1.54  thf(zip_derived_cl33, plain, (( (hskp9) |  (hskp18) |  (hskp27))),
% 6.56/1.54      inference('cnf', [status(esa)], [zf_stmt_102])).
% 6.56/1.54  thf('140', plain, (( (hskp27)) | ( (hskp9)) | ( (hskp18))),
% 6.56/1.54      inference('split', [status(esa)], [zip_derived_cl33])).
% 6.56/1.54  thf(zip_derived_cl462, plain,
% 6.56/1.54      ((![X0 : $i]: (~ (c3_1 @ X0) |  (c2_1 @ X0) |  (c0_1 @ X0)))
% 6.56/1.54         <= ((![X0 : $i]: (~ (c3_1 @ X0) |  (c2_1 @ X0) |  (c0_1 @ X0))))),
% 6.56/1.54      inference('split', [status(esa)], [zip_derived_cl133])).
% 6.56/1.54  thf(zip_derived_cl409, plain, ((~ (c0_1 @ a831)) <= (~ ( (c0_1 @ a831)))),
% 6.56/1.54      inference('split', [status(esa)], [zip_derived_cl111])).
% 6.56/1.54  thf(zip_derived_cl1297, plain,
% 6.56/1.54      ((( (c2_1 @ a831) | ~ (c3_1 @ a831)))
% 6.56/1.54         <= (~ ( (c0_1 @ a831)) & 
% 6.56/1.54             (![X0 : $i]: (~ (c3_1 @ X0) |  (c2_1 @ X0) |  (c0_1 @ X0))))),
% 6.56/1.54      inference('s_sup-', [status(thm)], [zip_derived_cl462, zip_derived_cl409])).
% 6.56/1.54  thf(zip_derived_cl4587, plain, (( (c2_1 @ a831)) <= (( (c2_1 @ a831)))),
% 6.56/1.54      inference('split', [status(esa)], [zip_derived_cl1297])).
% 6.56/1.54  thf(zip_derived_cl498, plain,
% 6.56/1.54      ((![X0 : $i]: (~ (c3_1 @ X0) | ~ (c2_1 @ X0) |  (c1_1 @ X0)))
% 6.56/1.54         <= ((![X0 : $i]: (~ (c3_1 @ X0) | ~ (c2_1 @ X0) |  (c1_1 @ X0))))),
% 6.56/1.54      inference('split', [status(esa)], [zip_derived_cl142])).
% 6.56/1.54  thf(zip_derived_cl4589, plain,
% 6.56/1.54      (((~ (c3_1 @ a831) |  (c1_1 @ a831)))
% 6.56/1.54         <= ((![X0 : $i]: (~ (c3_1 @ X0) | ~ (c2_1 @ X0) |  (c1_1 @ X0))) & 
% 6.56/1.54             ( (c2_1 @ a831)))),
% 6.56/1.54      inference('s_sup-', [status(thm)],
% 6.56/1.54                [zip_derived_cl4587, zip_derived_cl498])).
% 6.56/1.54  thf('141', plain,
% 6.56/1.54      (( (c1_1 @ a831)) | ~ ( (c2_1 @ a831)) | 
% 6.56/1.54       ~ (![X0 : $i]: (~ (c3_1 @ X0) | ~ (c2_1 @ X0) |  (c1_1 @ X0))) | 
% 6.56/1.54       ~ ( (c3_1 @ a831))),
% 6.56/1.54      inference('split', [status(esa)], [zip_derived_cl4589])).
% 6.56/1.54  thf(clause73, conjecture, (~( ( c3_1 @ a831 ) | ( ~( hskp9 ) ) ))).
% 6.56/1.54  thf(zf_stmt_103, negated_conjecture, (( c3_1 @ a831 ) | ( ~( hskp9 ) )),
% 6.56/1.54    inference('cnf.neg', [status(esa)], [clause73])).
% 6.56/1.54  thf(zip_derived_cl72, plain, (( (c3_1 @ a831) | ~ (hskp9))),
% 6.56/1.54      inference('cnf', [status(esa)], [zf_stmt_103])).
% 6.56/1.54  thf('142', plain, (( (c3_1 @ a831)) | ~ ( (hskp9))),
% 6.56/1.54      inference('split', [status(esa)], [zip_derived_cl72])).
% 6.56/1.54  thf('143', plain, (~ ( (hskp9)) | ~ ( (c0_1 @ a831))),
% 6.56/1.54      inference('split', [status(esa)], [zip_derived_cl111])).
% 6.56/1.54  thf(clause113, conjecture, (~( ( ~( hskp9 ) ) | ( ~( c1_1 @ a831 ) ) ))).
% 6.56/1.54  thf(zf_stmt_104, negated_conjecture, (( ~( hskp9 ) ) | ( ~( c1_1 @ a831 ) )),
% 6.56/1.54    inference('cnf.neg', [status(esa)], [clause113])).
% 6.56/1.54  thf(zip_derived_cl112, plain, ((~ (hskp9) | ~ (c1_1 @ a831))),
% 6.56/1.54      inference('cnf', [status(esa)], [zf_stmt_104])).
% 6.56/1.54  thf('144', plain, (~ ( (hskp9)) | ~ ( (c1_1 @ a831))),
% 6.56/1.54      inference('split', [status(esa)], [zip_derived_cl112])).
% 6.56/1.54  thf('145', plain,
% 6.56/1.54      (( (c2_1 @ a831)) | ( (c0_1 @ a831)) | 
% 6.56/1.54       ~ (![X0 : $i]: (~ (c3_1 @ X0) |  (c2_1 @ X0) |  (c0_1 @ X0))) | 
% 6.56/1.54       ~ ( (c3_1 @ a831))),
% 6.56/1.54      inference('split', [status(esa)], [zip_derived_cl1297])).
% 6.56/1.54  thf(zip_derived_cl446, plain,
% 6.56/1.54      ((![X0 : $i]: ( (c3_1 @ X0) |  (c1_1 @ X0) |  (c0_1 @ X0)))
% 6.56/1.54         <= ((![X0 : $i]: ( (c3_1 @ X0) |  (c1_1 @ X0) |  (c0_1 @ X0))))),
% 6.56/1.54      inference('split', [status(esa)], [zip_derived_cl129])).
% 6.56/1.54  thf(zip_derived_cl427, plain, ((~ (c0_1 @ a821)) <= (~ ( (c0_1 @ a821)))),
% 6.56/1.54      inference('split', [status(esa)], [zip_derived_cl120])).
% 6.56/1.54  thf(zip_derived_cl1062, plain,
% 6.56/1.54      ((( (c1_1 @ a821) |  (c3_1 @ a821)))
% 6.56/1.54         <= (~ ( (c0_1 @ a821)) & 
% 6.56/1.54             (![X0 : $i]: ( (c3_1 @ X0) |  (c1_1 @ X0) |  (c0_1 @ X0))))),
% 6.56/1.54      inference('s_sup-', [status(thm)], [zip_derived_cl446, zip_derived_cl427])).
% 6.56/1.54  thf('146', plain,
% 6.56/1.54      (~ (![X0 : $i]: ( (c3_1 @ X0) |  (c1_1 @ X0) |  (c0_1 @ X0))) | 
% 6.56/1.54       ( (c3_1 @ a821)) | ( (c1_1 @ a821)) | ( (c0_1 @ a821))),
% 6.56/1.54      inference('split', [status(esa)], [zip_derived_cl1062])).
% 6.56/1.54  thf(zip_derived_cl494, plain,
% 6.56/1.54      ((![X0 : $i]: (~ (c3_1 @ X0) |  (c1_1 @ X0) | ~ (c0_1 @ X0)))
% 6.56/1.54         <= ((![X0 : $i]: (~ (c3_1 @ X0) |  (c1_1 @ X0) | ~ (c0_1 @ X0))))),
% 6.56/1.54      inference('split', [status(esa)], [zip_derived_cl141])).
% 6.56/1.54  thf(zip_derived_cl333, plain, (( (c0_1 @ a828)) <= (( (c0_1 @ a828)))),
% 6.56/1.54      inference('split', [status(esa)], [zip_derived_cl73])).
% 6.56/1.54  thf(zip_derived_cl883, plain,
% 6.56/1.54      ((( (c1_1 @ a828) | ~ (c3_1 @ a828)))
% 6.56/1.54         <= (( (c0_1 @ a828)) & 
% 6.56/1.54             (![X0 : $i]: (~ (c3_1 @ X0) |  (c1_1 @ X0) | ~ (c0_1 @ X0))))),
% 6.56/1.54      inference('s_sup+', [status(thm)], [zip_derived_cl494, zip_derived_cl333])).
% 6.56/1.54  thf('147', plain,
% 6.56/1.54      (( (c1_1 @ a828)) | ~ ( (c3_1 @ a828)) | 
% 6.56/1.54       ~ (![X0 : $i]: (~ (c3_1 @ X0) |  (c1_1 @ X0) | ~ (c0_1 @ X0))) | 
% 6.56/1.54       ~ ( (c0_1 @ a828))),
% 6.56/1.54      inference('split', [status(esa)], [zip_derived_cl883])).
% 6.56/1.54  thf('148', plain, (( (c0_1 @ a828)) | ~ ( (hskp7))),
% 6.56/1.54      inference('split', [status(esa)], [zip_derived_cl73])).
% 6.56/1.54  thf(clause117, conjecture, (~( ( ~( hskp7 ) ) | ( ~( c1_1 @ a828 ) ) ))).
% 6.56/1.54  thf(zf_stmt_105, negated_conjecture, (( ~( hskp7 ) ) | ( ~( c1_1 @ a828 ) )),
% 6.56/1.54    inference('cnf.neg', [status(esa)], [clause117])).
% 6.56/1.54  thf(zip_derived_cl116, plain, ((~ (hskp7) | ~ (c1_1 @ a828))),
% 6.56/1.54      inference('cnf', [status(esa)], [zf_stmt_105])).
% 6.56/1.54  thf('149', plain, (~ ( (hskp7)) | ~ ( (c1_1 @ a828))),
% 6.56/1.54      inference('split', [status(esa)], [zip_derived_cl116])).
% 6.56/1.54  thf('150', plain, (~ ( (hskp7)) | ~ ( (c2_1 @ a828))),
% 6.56/1.54      inference('split', [status(esa)], [zip_derived_cl117])).
% 6.56/1.54  thf(zip_derived_cl443, plain,
% 6.56/1.54      ((![X0 : $i]: ( (c3_1 @ X0) |  (c2_1 @ X0) |  (c1_1 @ X0)))
% 6.56/1.54         <= ((![X0 : $i]: ( (c3_1 @ X0) |  (c2_1 @ X0) |  (c1_1 @ X0))))),
% 6.56/1.54      inference('split', [status(esa)], [zip_derived_cl128])).
% 6.56/1.54  thf(zip_derived_cl421, plain, ((~ (c2_1 @ a828)) <= (~ ( (c2_1 @ a828)))),
% 6.56/1.54      inference('split', [status(esa)], [zip_derived_cl117])).
% 6.56/1.54  thf(zip_derived_cl971, plain,
% 6.56/1.54      ((( (c1_1 @ a828) |  (c3_1 @ a828)))
% 6.56/1.54         <= (~ ( (c2_1 @ a828)) & 
% 6.56/1.54             (![X0 : $i]: ( (c3_1 @ X0) |  (c2_1 @ X0) |  (c1_1 @ X0))))),
% 6.56/1.54      inference('s_sup-', [status(thm)], [zip_derived_cl443, zip_derived_cl421])).
% 6.56/1.54  thf('151', plain,
% 6.56/1.54      (~ (![X0 : $i]: ( (c3_1 @ X0) |  (c2_1 @ X0) |  (c1_1 @ X0))) | 
% 6.56/1.54       ( (c3_1 @ a828)) | ( (c1_1 @ a828)) | ( (c2_1 @ a828))),
% 6.56/1.54      inference('split', [status(esa)], [zip_derived_cl971])).
% 6.56/1.54  thf('152', plain,
% 6.56/1.54      (( (hskp26)) | ~ ( (ndr1_0)) | ( (hskp0)) | 
% 6.56/1.54       (![X0 : $i]: ( (c3_1 @ X0) |  (c1_1 @ X0) |  (c0_1 @ X0)))),
% 6.56/1.54      inference('split', [status(esa)], [zip_derived_cl129])).
% 6.56/1.54  thf('153', plain,
% 6.56/1.54      ((![X0 : $i]: (~ (c3_1 @ X0) |  (c2_1 @ X0) |  (c0_1 @ X0))) | 
% 6.56/1.54       ( (hskp28)) | ( (hskp26)) | ~ ( (ndr1_0))),
% 6.56/1.54      inference('split', [status(esa)], [zip_derived_cl133])).
% 6.56/1.54  thf(clause7, conjecture, (~( ( ndr1_0 ) | ( ~( hskp24 ) ) ))).
% 6.56/1.54  thf(zf_stmt_106, negated_conjecture, (( ndr1_0 ) | ( ~( hskp24 ) )),
% 6.56/1.54    inference('cnf.neg', [status(esa)], [clause7])).
% 6.56/1.54  thf(zip_derived_cl6, plain, (( (ndr1_0) | ~ (hskp24))),
% 6.56/1.54      inference('cnf', [status(esa)], [zf_stmt_106])).
% 6.56/1.54  thf('154', plain, (~ ( (hskp24)) | ( (ndr1_0))),
% 6.56/1.54      inference('split', [status(esa)], [zip_derived_cl6])).
% 6.56/1.54  thf(clause1, conjecture, (~( ( hskp24 ) | ( hskp14 ) ))).
% 6.56/1.54  thf(zf_stmt_107, negated_conjecture, (( hskp24 ) | ( hskp14 )),
% 6.56/1.54    inference('cnf.neg', [status(esa)], [clause1])).
% 6.56/1.54  thf(zip_derived_cl0, plain, (( (hskp24) |  (hskp14))),
% 6.56/1.54      inference('cnf', [status(esa)], [zf_stmt_107])).
% 6.56/1.54  thf('155', plain, (( (hskp14)) | ( (hskp24))),
% 6.56/1.54      inference('split', [status(esa)], [zip_derived_cl0])).
% 6.56/1.54  thf(clause48, conjecture, (~( ( c0_1 @ a818 ) | ( ~( hskp26 ) ) ))).
% 6.56/1.54  thf(zf_stmt_108, negated_conjecture, (( c0_1 @ a818 ) | ( ~( hskp26 ) )),
% 6.56/1.54    inference('cnf.neg', [status(esa)], [clause48])).
% 6.56/1.54  thf(zip_derived_cl47, plain, (( (c0_1 @ a818) | ~ (hskp26))),
% 6.56/1.54      inference('cnf', [status(esa)], [zf_stmt_108])).
% 6.56/1.54  thf('156', plain, (( (c0_1 @ a818)) | ~ ( (hskp26))),
% 6.56/1.54      inference('split', [status(esa)], [zip_derived_cl47])).
% 6.56/1.54  thf(clause49, conjecture, (~( ( c1_1 @ a818 ) | ( ~( hskp26 ) ) ))).
% 6.56/1.54  thf(zf_stmt_109, negated_conjecture, (( c1_1 @ a818 ) | ( ~( hskp26 ) )),
% 6.56/1.54    inference('cnf.neg', [status(esa)], [clause49])).
% 6.56/1.54  thf(zip_derived_cl48, plain, (( (c1_1 @ a818) | ~ (hskp26))),
% 6.56/1.54      inference('cnf', [status(esa)], [zf_stmt_109])).
% 6.56/1.54  thf('157', plain, (( (c1_1 @ a818)) | ~ ( (hskp26))),
% 6.56/1.54      inference('split', [status(esa)], [zip_derived_cl48])).
% 6.56/1.54  thf(zip_derived_cl281, plain, (( (c0_1 @ a818)) <= (( (c0_1 @ a818)))),
% 6.56/1.54      inference('split', [status(esa)], [zip_derived_cl47])).
% 6.56/1.54  thf(zip_derived_cl593, plain,
% 6.56/1.54      ((![X1 : $i]: (~ (c3_1 @ X1) | ~ (c1_1 @ X1) | ~ (c0_1 @ X1)))
% 6.56/1.54         <= ((![X1 : $i]: (~ (c3_1 @ X1) | ~ (c1_1 @ X1) | ~ (c0_1 @ X1))))),
% 6.56/1.54      inference('split', [status(esa)], [zip_derived_cl166])).
% 6.56/1.54  thf(zip_derived_cl732, plain,
% 6.56/1.54      (((~ (c3_1 @ a818) | ~ (c1_1 @ a818)))
% 6.56/1.54         <= (( (c0_1 @ a818)) & 
% 6.56/1.54             (![X1 : $i]: (~ (c3_1 @ X1) | ~ (c1_1 @ X1) | ~ (c0_1 @ X1))))),
% 6.56/1.54      inference('s_sup-', [status(thm)], [zip_derived_cl281, zip_derived_cl593])).
% 6.56/1.54  thf('158', plain,
% 6.56/1.54      (~ (![X1 : $i]: (~ (c3_1 @ X1) | ~ (c1_1 @ X1) | ~ (c0_1 @ X1))) | 
% 6.56/1.54       ~ ( (c3_1 @ a818)) | ~ ( (c0_1 @ a818)) | ~ ( (c1_1 @ a818))),
% 6.56/1.54      inference('split', [status(esa)], [zip_derived_cl732])).
% 6.56/1.54  thf(zip_derived_cl494, plain,
% 6.56/1.54      ((![X0 : $i]: (~ (c3_1 @ X0) |  (c1_1 @ X0) | ~ (c0_1 @ X0)))
% 6.56/1.54         <= ((![X0 : $i]: (~ (c3_1 @ X0) |  (c1_1 @ X0) | ~ (c0_1 @ X0))))),
% 6.56/1.54      inference('split', [status(esa)], [zip_derived_cl141])).
% 6.56/1.54  thf(zip_derived_cl281, plain, (( (c0_1 @ a818)) <= (( (c0_1 @ a818)))),
% 6.56/1.54      inference('split', [status(esa)], [zip_derived_cl47])).
% 6.56/1.54  thf(zip_derived_cl877, plain,
% 6.56/1.54      ((( (c1_1 @ a818) | ~ (c3_1 @ a818)))
% 6.56/1.54         <= (( (c0_1 @ a818)) & 
% 6.56/1.54             (![X0 : $i]: (~ (c3_1 @ X0) |  (c1_1 @ X0) | ~ (c0_1 @ X0))))),
% 6.56/1.54      inference('s_sup+', [status(thm)], [zip_derived_cl494, zip_derived_cl281])).
% 6.56/1.54  thf('159', plain,
% 6.56/1.54      (( (c1_1 @ a818)) | ~ ( (c0_1 @ a818)) | 
% 6.56/1.54       ~ (![X0 : $i]: (~ (c3_1 @ X0) |  (c1_1 @ X0) | ~ (c0_1 @ X0))) | 
% 6.56/1.54       ~ ( (c3_1 @ a818))),
% 6.56/1.54      inference('split', [status(esa)], [zip_derived_cl877])).
% 6.56/1.54  thf(zip_derived_cl589, plain,
% 6.56/1.54      ((![X1 : $i]: ( (c3_1 @ X1) | ~ (c1_1 @ X1) | ~ (c0_1 @ X1)))
% 6.56/1.54         <= ((![X1 : $i]: ( (c3_1 @ X1) | ~ (c1_1 @ X1) | ~ (c0_1 @ X1))))),
% 6.56/1.54      inference('split', [status(esa)], [zip_derived_cl165])).
% 6.56/1.54  thf(zip_derived_cl281, plain, (( (c0_1 @ a818)) <= (( (c0_1 @ a818)))),
% 6.56/1.54      inference('split', [status(esa)], [zip_derived_cl47])).
% 6.56/1.54  thf(zip_derived_cl1149, plain,
% 6.56/1.54      (((~ (c1_1 @ a818) |  (c3_1 @ a818)))
% 6.56/1.54         <= (( (c0_1 @ a818)) & 
% 6.56/1.54             (![X1 : $i]: ( (c3_1 @ X1) | ~ (c1_1 @ X1) | ~ (c0_1 @ X1))))),
% 6.56/1.54      inference('s_sup+', [status(thm)], [zip_derived_cl589, zip_derived_cl281])).
% 6.56/1.54  thf('160', plain,
% 6.56/1.54      (( (c3_1 @ a818)) | ~ ( (c0_1 @ a818)) | 
% 6.56/1.54       ~ (![X1 : $i]: ( (c3_1 @ X1) | ~ (c1_1 @ X1) | ~ (c0_1 @ X1))) | 
% 6.56/1.54       ~ ( (c1_1 @ a818))),
% 6.56/1.54      inference('split', [status(esa)], [zip_derived_cl1149])).
% 6.56/1.54  thf('161', plain, (( (c0_1 @ a815)) | ~ ( (hskp0))),
% 6.56/1.54      inference('split', [status(esa)], [zip_derived_cl83])).
% 6.56/1.54  thf(clause85, conjecture, (~( ( c1_1 @ a815 ) | ( ~( hskp0 ) ) ))).
% 6.56/1.54  thf(zf_stmt_110, negated_conjecture, (( c1_1 @ a815 ) | ( ~( hskp0 ) )),
% 6.56/1.54    inference('cnf.neg', [status(esa)], [clause85])).
% 6.56/1.54  thf(zip_derived_cl84, plain, (( (c1_1 @ a815) | ~ (hskp0))),
% 6.56/1.54      inference('cnf', [status(esa)], [zf_stmt_110])).
% 6.56/1.54  thf('162', plain, (( (c1_1 @ a815)) | ~ ( (hskp0))),
% 6.56/1.54      inference('split', [status(esa)], [zip_derived_cl84])).
% 6.56/1.54  thf(clause128, conjecture, (~( ( ~( hskp0 ) ) | ( ~( c3_1 @ a815 ) ) ))).
% 6.56/1.54  thf(zf_stmt_111, negated_conjecture, (( ~( hskp0 ) ) | ( ~( c3_1 @ a815 ) )),
% 6.56/1.54    inference('cnf.neg', [status(esa)], [clause128])).
% 6.56/1.54  thf(zip_derived_cl127, plain, ((~ (hskp0) | ~ (c3_1 @ a815))),
% 6.56/1.54      inference('cnf', [status(esa)], [zf_stmt_111])).
% 6.56/1.54  thf('163', plain, (~ ( (c3_1 @ a815)) | ~ ( (hskp0))),
% 6.56/1.54      inference('split', [status(esa)], [zip_derived_cl127])).
% 6.56/1.54  thf(zip_derived_cl589, plain,
% 6.56/1.54      ((![X1 : $i]: ( (c3_1 @ X1) | ~ (c1_1 @ X1) | ~ (c0_1 @ X1)))
% 6.56/1.54         <= ((![X1 : $i]: ( (c3_1 @ X1) | ~ (c1_1 @ X1) | ~ (c0_1 @ X1))))),
% 6.56/1.54      inference('split', [status(esa)], [zip_derived_cl165])).
% 6.56/1.54  thf(zip_derived_cl353, plain, (( (c0_1 @ a815)) <= (( (c0_1 @ a815)))),
% 6.56/1.54      inference('split', [status(esa)], [zip_derived_cl83])).
% 6.56/1.54  thf(zip_derived_cl1158, plain,
% 6.56/1.54      (((~ (c1_1 @ a815) |  (c3_1 @ a815)))
% 6.56/1.54         <= (( (c0_1 @ a815)) & 
% 6.56/1.54             (![X1 : $i]: ( (c3_1 @ X1) | ~ (c1_1 @ X1) | ~ (c0_1 @ X1))))),
% 6.56/1.54      inference('s_sup+', [status(thm)], [zip_derived_cl589, zip_derived_cl353])).
% 6.56/1.54  thf('164', plain,
% 6.56/1.54      (~ ( (c0_1 @ a815)) | 
% 6.56/1.54       ~ (![X1 : $i]: ( (c3_1 @ X1) | ~ (c1_1 @ X1) | ~ (c0_1 @ X1))) | 
% 6.56/1.54       ( (c3_1 @ a815)) | ~ ( (c1_1 @ a815))),
% 6.56/1.54      inference('split', [status(esa)], [zip_derived_cl1158])).
% 6.56/1.54  thf(clause63, conjecture, (~( ( c0_1 @ a842 ) | ( ~( hskp14 ) ) ))).
% 6.56/1.54  thf(zf_stmt_112, negated_conjecture, (( c0_1 @ a842 ) | ( ~( hskp14 ) )),
% 6.56/1.54    inference('cnf.neg', [status(esa)], [clause63])).
% 6.56/1.54  thf(zip_derived_cl62, plain, (( (c0_1 @ a842) | ~ (hskp14))),
% 6.56/1.54      inference('cnf', [status(esa)], [zf_stmt_112])).
% 6.56/1.54  thf(zip_derived_cl311, plain, (( (c0_1 @ a842)) <= (( (c0_1 @ a842)))),
% 6.56/1.54      inference('split', [status(esa)], [zip_derived_cl62])).
% 6.56/1.54  thf(zip_derived_cl593, plain,
% 6.56/1.54      ((![X1 : $i]: (~ (c3_1 @ X1) | ~ (c1_1 @ X1) | ~ (c0_1 @ X1)))
% 6.56/1.54         <= ((![X1 : $i]: (~ (c3_1 @ X1) | ~ (c1_1 @ X1) | ~ (c0_1 @ X1))))),
% 6.56/1.54      inference('split', [status(esa)], [zip_derived_cl166])).
% 6.56/1.54  thf(zip_derived_cl788, plain,
% 6.56/1.54      (((~ (c3_1 @ a842) | ~ (c1_1 @ a842)))
% 6.56/1.54         <= (( (c0_1 @ a842)) & 
% 6.56/1.54             (![X1 : $i]: (~ (c3_1 @ X1) | ~ (c1_1 @ X1) | ~ (c0_1 @ X1))))),
% 6.56/1.54      inference('s_sup-', [status(thm)], [zip_derived_cl311, zip_derived_cl593])).
% 6.56/1.54  thf('165', plain,
% 6.56/1.54      (~ (![X1 : $i]: (~ (c3_1 @ X1) | ~ (c1_1 @ X1) | ~ (c0_1 @ X1))) | 
% 6.56/1.54       ~ ( (c3_1 @ a842)) | ~ ( (c1_1 @ a842)) | ~ ( (c0_1 @ a842))),
% 6.56/1.54      inference('split', [status(esa)], [zip_derived_cl788])).
% 6.56/1.54  thf(zip_derived_cl494, plain,
% 6.56/1.54      ((![X0 : $i]: (~ (c3_1 @ X0) |  (c1_1 @ X0) | ~ (c0_1 @ X0)))
% 6.56/1.54         <= ((![X0 : $i]: (~ (c3_1 @ X0) |  (c1_1 @ X0) | ~ (c0_1 @ X0))))),
% 6.56/1.54      inference('split', [status(esa)], [zip_derived_cl141])).
% 6.56/1.54  thf(zip_derived_cl311, plain, (( (c0_1 @ a842)) <= (( (c0_1 @ a842)))),
% 6.56/1.54      inference('split', [status(esa)], [zip_derived_cl62])).
% 6.56/1.54  thf(zip_derived_cl880, plain,
% 6.56/1.54      ((( (c1_1 @ a842) | ~ (c3_1 @ a842)))
% 6.56/1.54         <= (( (c0_1 @ a842)) & 
% 6.56/1.54             (![X0 : $i]: (~ (c3_1 @ X0) |  (c1_1 @ X0) | ~ (c0_1 @ X0))))),
% 6.56/1.54      inference('s_sup+', [status(thm)], [zip_derived_cl494, zip_derived_cl311])).
% 6.56/1.54  thf('166', plain,
% 6.56/1.54      (( (c1_1 @ a842)) | ~ ( (c3_1 @ a842)) | 
% 6.56/1.54       ~ (![X0 : $i]: (~ (c3_1 @ X0) |  (c1_1 @ X0) | ~ (c0_1 @ X0))) | 
% 6.56/1.54       ~ ( (c0_1 @ a842))),
% 6.56/1.54      inference('split', [status(esa)], [zip_derived_cl880])).
% 6.56/1.54  thf(zip_derived_cl589, plain,
% 6.56/1.54      ((![X1 : $i]: ( (c3_1 @ X1) | ~ (c1_1 @ X1) | ~ (c0_1 @ X1)))
% 6.56/1.54         <= ((![X1 : $i]: ( (c3_1 @ X1) | ~ (c1_1 @ X1) | ~ (c0_1 @ X1))))),
% 6.56/1.54      inference('split', [status(esa)], [zip_derived_cl165])).
% 6.56/1.54  thf(zip_derived_cl311, plain, (( (c0_1 @ a842)) <= (( (c0_1 @ a842)))),
% 6.56/1.54      inference('split', [status(esa)], [zip_derived_cl62])).
% 6.56/1.54  thf(zip_derived_cl1152, plain,
% 6.56/1.54      (((~ (c1_1 @ a842) |  (c3_1 @ a842)))
% 6.56/1.54         <= (( (c0_1 @ a842)) & 
% 6.56/1.54             (![X1 : $i]: ( (c3_1 @ X1) | ~ (c1_1 @ X1) | ~ (c0_1 @ X1))))),
% 6.56/1.54      inference('s_sup+', [status(thm)], [zip_derived_cl589, zip_derived_cl311])).
% 6.56/1.54  thf('167', plain,
% 6.56/1.54      (( (c3_1 @ a842)) | ~ ( (c0_1 @ a842)) | 
% 6.56/1.54       ~ (![X1 : $i]: ( (c3_1 @ X1) | ~ (c1_1 @ X1) | ~ (c0_1 @ X1))) | 
% 6.56/1.54       ~ ( (c1_1 @ a842))),
% 6.56/1.54      inference('split', [status(esa)], [zip_derived_cl1152])).
% 6.56/1.54  thf(zip_derived_cl462, plain,
% 6.56/1.54      ((![X0 : $i]: (~ (c3_1 @ X0) |  (c2_1 @ X0) |  (c0_1 @ X0)))
% 6.56/1.54         <= ((![X0 : $i]: (~ (c3_1 @ X0) |  (c2_1 @ X0) |  (c0_1 @ X0))))),
% 6.56/1.54      inference('split', [status(esa)], [zip_derived_cl133])).
% 6.56/1.54  thf(zip_derived_cl365, plain, ((~ (c0_1 @ a860)) <= (~ ( (c0_1 @ a860)))),
% 6.56/1.54      inference('split', [status(esa)], [zip_derived_cl89])).
% 6.56/1.54  thf(zip_derived_cl1302, plain,
% 6.56/1.54      ((( (c2_1 @ a860) | ~ (c3_1 @ a860)))
% 6.56/1.54         <= (~ ( (c0_1 @ a860)) & 
% 6.56/1.54             (![X0 : $i]: (~ (c3_1 @ X0) |  (c2_1 @ X0) |  (c0_1 @ X0))))),
% 6.56/1.54      inference('s_sup-', [status(thm)], [zip_derived_cl462, zip_derived_cl365])).
% 6.56/1.54  thf('168', plain,
% 6.56/1.54      (~ ( (c3_1 @ a860)) | 
% 6.56/1.54       ~ (![X0 : $i]: (~ (c3_1 @ X0) |  (c2_1 @ X0) |  (c0_1 @ X0))) | 
% 6.56/1.54       ( (c2_1 @ a860)) | ( (c0_1 @ a860))),
% 6.56/1.54      inference('split', [status(esa)], [zip_derived_cl1302])).
% 6.56/1.54  thf('169', plain, (( (c0_1 @ a826)) | ~ ( (hskp27))),
% 6.56/1.54      inference('split', [status(esa)], [zip_derived_cl44])).
% 6.56/1.54  thf(clause47, conjecture, (~( ( c3_1 @ a826 ) | ( ~( hskp27 ) ) ))).
% 6.56/1.54  thf(zf_stmt_113, negated_conjecture, (( c3_1 @ a826 ) | ( ~( hskp27 ) )),
% 6.56/1.54    inference('cnf.neg', [status(esa)], [clause47])).
% 6.56/1.54  thf(zip_derived_cl46, plain, (( (c3_1 @ a826) | ~ (hskp27))),
% 6.56/1.54      inference('cnf', [status(esa)], [zf_stmt_113])).
% 6.56/1.54  thf('170', plain, (( (c3_1 @ a826)) | ~ ( (hskp27))),
% 6.56/1.54      inference('split', [status(esa)], [zip_derived_cl46])).
% 6.56/1.54  thf(zip_derived_cl494, plain,
% 6.56/1.54      ((![X0 : $i]: (~ (c3_1 @ X0) |  (c1_1 @ X0) | ~ (c0_1 @ X0)))
% 6.56/1.54         <= ((![X0 : $i]: (~ (c3_1 @ X0) |  (c1_1 @ X0) | ~ (c0_1 @ X0))))),
% 6.56/1.54      inference('split', [status(esa)], [zip_derived_cl141])).
% 6.56/1.54  thf(zip_derived_cl275, plain, (( (c0_1 @ a826)) <= (( (c0_1 @ a826)))),
% 6.56/1.54      inference('split', [status(esa)], [zip_derived_cl44])).
% 6.56/1.54  thf(zip_derived_cl876, plain,
% 6.56/1.54      ((( (c1_1 @ a826) | ~ (c3_1 @ a826)))
% 6.56/1.54         <= (( (c0_1 @ a826)) & 
% 6.56/1.54             (![X0 : $i]: (~ (c3_1 @ X0) |  (c1_1 @ X0) | ~ (c0_1 @ X0))))),
% 6.56/1.54      inference('s_sup+', [status(thm)], [zip_derived_cl494, zip_derived_cl275])).
% 6.56/1.54  thf('171', plain,
% 6.56/1.54      (( (c1_1 @ a826)) | 
% 6.56/1.54       ~ (![X0 : $i]: (~ (c3_1 @ X0) |  (c1_1 @ X0) | ~ (c0_1 @ X0))) | 
% 6.56/1.54       ~ ( (c0_1 @ a826)) | ~ ( (c3_1 @ a826))),
% 6.56/1.54      inference('split', [status(esa)], [zip_derived_cl876])).
% 6.56/1.54  thf(zip_derived_cl275, plain, (( (c0_1 @ a826)) <= (( (c0_1 @ a826)))),
% 6.56/1.54      inference('split', [status(esa)], [zip_derived_cl44])).
% 6.56/1.54  thf(zip_derived_cl593, plain,
% 6.56/1.54      ((![X1 : $i]: (~ (c3_1 @ X1) | ~ (c1_1 @ X1) | ~ (c0_1 @ X1)))
% 6.56/1.54         <= ((![X1 : $i]: (~ (c3_1 @ X1) | ~ (c1_1 @ X1) | ~ (c0_1 @ X1))))),
% 6.56/1.54      inference('split', [status(esa)], [zip_derived_cl166])).
% 6.56/1.54  thf(zip_derived_cl710, plain,
% 6.56/1.54      (((~ (c3_1 @ a826) | ~ (c1_1 @ a826)))
% 6.56/1.54         <= (( (c0_1 @ a826)) & 
% 6.56/1.54             (![X1 : $i]: (~ (c3_1 @ X1) | ~ (c1_1 @ X1) | ~ (c0_1 @ X1))))),
% 6.56/1.54      inference('s_sup-', [status(thm)], [zip_derived_cl275, zip_derived_cl593])).
% 6.56/1.54  thf('172', plain,
% 6.56/1.54      (~ (![X1 : $i]: (~ (c3_1 @ X1) | ~ (c1_1 @ X1) | ~ (c0_1 @ X1))) | 
% 6.56/1.54       ~ ( (c1_1 @ a826)) | ~ ( (c0_1 @ a826)) | ~ ( (c3_1 @ a826))),
% 6.56/1.54      inference('split', [status(esa)], [zip_derived_cl710])).
% 6.56/1.54  thf('173', plain,
% 6.56/1.54      (( (hskp27)) | 
% 6.56/1.54       (![X0 : $i]: ( (c3_1 @ X0) |  (c2_1 @ X0) |  (c1_1 @ X0))) | 
% 6.56/1.54       ~ ( (ndr1_0))),
% 6.56/1.54      inference('split', [status(esa)], [zip_derived_cl128])).
% 6.56/1.54  thf('174', plain, (( (c0_1 @ a833)) | ~ ( (hskp28))),
% 6.56/1.54      inference('split', [status(esa)], [zip_derived_cl41])).
% 6.56/1.54  thf(clause43, conjecture, (~( ( c1_1 @ a833 ) | ( ~( hskp28 ) ) ))).
% 6.56/1.54  thf(zf_stmt_114, negated_conjecture, (( c1_1 @ a833 ) | ( ~( hskp28 ) )),
% 6.56/1.54    inference('cnf.neg', [status(esa)], [clause43])).
% 6.56/1.54  thf(zip_derived_cl42, plain, (( (c1_1 @ a833) | ~ (hskp28))),
% 6.56/1.54      inference('cnf', [status(esa)], [zf_stmt_114])).
% 6.56/1.54  thf('175', plain, (( (c1_1 @ a833)) | ~ ( (hskp28))),
% 6.56/1.54      inference('split', [status(esa)], [zip_derived_cl42])).
% 6.56/1.54  thf(clause44, conjecture, (~( ( c3_1 @ a833 ) | ( ~( hskp28 ) ) ))).
% 6.56/1.54  thf(zf_stmt_115, negated_conjecture, (( c3_1 @ a833 ) | ( ~( hskp28 ) )),
% 6.56/1.54    inference('cnf.neg', [status(esa)], [clause44])).
% 6.56/1.54  thf(zip_derived_cl43, plain, (( (c3_1 @ a833) | ~ (hskp28))),
% 6.56/1.54      inference('cnf', [status(esa)], [zf_stmt_115])).
% 6.56/1.54  thf('176', plain, (( (c3_1 @ a833)) | ~ ( (hskp28))),
% 6.56/1.54      inference('split', [status(esa)], [zip_derived_cl43])).
% 6.56/1.54  thf(zip_derived_cl269, plain, (( (c0_1 @ a833)) <= (( (c0_1 @ a833)))),
% 6.56/1.54      inference('split', [status(esa)], [zip_derived_cl41])).
% 6.56/1.54  thf(zip_derived_cl593, plain,
% 6.56/1.54      ((![X1 : $i]: (~ (c3_1 @ X1) | ~ (c1_1 @ X1) | ~ (c0_1 @ X1)))
% 6.56/1.54         <= ((![X1 : $i]: (~ (c3_1 @ X1) | ~ (c1_1 @ X1) | ~ (c0_1 @ X1))))),
% 6.56/1.54      inference('split', [status(esa)], [zip_derived_cl166])).
% 6.56/1.54  thf(zip_derived_cl682, plain,
% 6.56/1.54      (((~ (c3_1 @ a833) | ~ (c1_1 @ a833)))
% 6.56/1.54         <= (( (c0_1 @ a833)) & 
% 6.56/1.54             (![X1 : $i]: (~ (c3_1 @ X1) | ~ (c1_1 @ X1) | ~ (c0_1 @ X1))))),
% 6.56/1.54      inference('s_sup-', [status(thm)], [zip_derived_cl269, zip_derived_cl593])).
% 6.56/1.54  thf('177', plain,
% 6.56/1.54      (~ (![X1 : $i]: (~ (c3_1 @ X1) | ~ (c1_1 @ X1) | ~ (c0_1 @ X1))) | 
% 6.56/1.54       ~ ( (c1_1 @ a833)) | ~ ( (c3_1 @ a833)) | ~ ( (c0_1 @ a833))),
% 6.56/1.54      inference('split', [status(esa)], [zip_derived_cl682])).
% 6.56/1.54  thf('178', plain,
% 6.56/1.54      ((![X0 : $i]: (~ (c3_1 @ X0) | ~ (c2_1 @ X0) |  (c0_1 @ X0))) | 
% 6.56/1.54       (![X0 : $i]: (~ (c2_1 @ X0) |  (c1_1 @ X0) | ~ (c0_1 @ X0))) | 
% 6.56/1.54       (![X0 : $i]: ( (c3_1 @ X0) |  (c2_1 @ X0) | ~ (c1_1 @ X0))) | 
% 6.56/1.54       ~ ( (ndr1_0))),
% 6.56/1.54      inference('split', [status(esa)], [zip_derived_cl178])).
% 6.56/1.54  thf('179', plain, (( (c0_1 @ a816)) | ~ ( (hskp1))),
% 6.56/1.54      inference('split', [status(esa)], [zip_derived_cl81])).
% 6.56/1.54  thf(clause83, conjecture, (~( ( c3_1 @ a816 ) | ( ~( hskp1 ) ) ))).
% 6.56/1.54  thf(zf_stmt_116, negated_conjecture, (( c3_1 @ a816 ) | ( ~( hskp1 ) )),
% 6.56/1.54    inference('cnf.neg', [status(esa)], [clause83])).
% 6.56/1.54  thf(zip_derived_cl82, plain, (( (c3_1 @ a816) | ~ (hskp1))),
% 6.56/1.54      inference('cnf', [status(esa)], [zf_stmt_116])).
% 6.56/1.54  thf('180', plain, (( (c3_1 @ a816)) | ~ ( (hskp1))),
% 6.56/1.54      inference('split', [status(esa)], [zip_derived_cl82])).
% 6.56/1.54  thf('181', plain, (~ ( (hskp1)) | ~ ( (c2_1 @ a816))),
% 6.56/1.54      inference('split', [status(esa)], [zip_derived_cl126])).
% 6.56/1.54  thf('182', plain,
% 6.56/1.54      (( (hskp22)) | ~ ( (ndr1_0)) | ( (hskp1)) | 
% 6.56/1.54       (![X0 : $i]: ( (c3_1 @ X0) |  (c2_1 @ X0) | ~ (c1_1 @ X0)))),
% 6.56/1.54      inference('split', [status(esa)], [zip_derived_cl138])).
% 6.56/1.54  thf(zip_derived_cl482, plain,
% 6.56/1.54      ((![X0 : $i]: ( (c3_1 @ X0) |  (c2_1 @ X0) | ~ (c1_1 @ X0)))
% 6.56/1.54         <= ((![X0 : $i]: ( (c3_1 @ X0) |  (c2_1 @ X0) | ~ (c1_1 @ X0))))),
% 6.56/1.54      inference('split', [status(esa)], [zip_derived_cl138])).
% 6.56/1.54  thf(clause107, conjecture, (~( ( ~( hskp14 ) ) | ( ~( c2_1 @ a842 ) ) ))).
% 6.56/1.54  thf(zf_stmt_117, negated_conjecture,
% 6.56/1.54    (( ~( hskp14 ) ) | ( ~( c2_1 @ a842 ) )),
% 6.56/1.54    inference('cnf.neg', [status(esa)], [clause107])).
% 6.56/1.54  thf(zip_derived_cl106, plain, ((~ (hskp14) | ~ (c2_1 @ a842))),
% 6.56/1.54      inference('cnf', [status(esa)], [zf_stmt_117])).
% 6.56/1.54  thf(zip_derived_cl399, plain, ((~ (c2_1 @ a842)) <= (~ ( (c2_1 @ a842)))),
% 6.56/1.54      inference('split', [status(esa)], [zip_derived_cl106])).
% 6.56/1.54  thf(zip_derived_cl1717, plain,
% 6.56/1.54      (((~ (c1_1 @ a842) |  (c3_1 @ a842)))
% 6.56/1.54         <= (~ ( (c2_1 @ a842)) & 
% 6.56/1.54             (![X0 : $i]: ( (c3_1 @ X0) |  (c2_1 @ X0) | ~ (c1_1 @ X0))))),
% 6.56/1.54      inference('s_sup-', [status(thm)], [zip_derived_cl482, zip_derived_cl399])).
% 6.56/1.54  thf('183', plain,
% 6.56/1.54      (( (c3_1 @ a842)) | ( (c2_1 @ a842)) | 
% 6.56/1.54       ~ (![X0 : $i]: ( (c3_1 @ X0) |  (c2_1 @ X0) | ~ (c1_1 @ X0))) | 
% 6.56/1.54       ~ ( (c1_1 @ a842))),
% 6.56/1.54      inference('split', [status(esa)], [zip_derived_cl1717])).
% 6.56/1.54  thf(zip_derived_cl565, plain,
% 6.56/1.54      ((![X1 : $i]: (~ (c3_1 @ X1) |  (c2_1 @ X1) | ~ (c0_1 @ X1)))
% 6.56/1.54         <= ((![X1 : $i]: (~ (c3_1 @ X1) |  (c2_1 @ X1) | ~ (c0_1 @ X1))))),
% 6.56/1.54      inference('split', [status(esa)], [zip_derived_cl159])).
% 6.56/1.54  thf(zip_derived_cl311, plain, (( (c0_1 @ a842)) <= (( (c0_1 @ a842)))),
% 6.56/1.54      inference('split', [status(esa)], [zip_derived_cl62])).
% 6.56/1.54  thf(zip_derived_cl1082, plain,
% 6.56/1.54      ((( (c2_1 @ a842) | ~ (c3_1 @ a842)))
% 6.56/1.54         <= (( (c0_1 @ a842)) & 
% 6.56/1.54             (![X1 : $i]: (~ (c3_1 @ X1) |  (c2_1 @ X1) | ~ (c0_1 @ X1))))),
% 6.56/1.54      inference('s_sup+', [status(thm)], [zip_derived_cl565, zip_derived_cl311])).
% 6.56/1.54  thf('184', plain,
% 6.56/1.54      (~ (![X1 : $i]: (~ (c3_1 @ X1) |  (c2_1 @ X1) | ~ (c0_1 @ X1))) | 
% 6.56/1.54       ~ ( (c3_1 @ a842)) | ( (c2_1 @ a842)) | ~ ( (c0_1 @ a842))),
% 6.56/1.54      inference('split', [status(esa)], [zip_derived_cl1082])).
% 6.56/1.54  thf(zip_derived_cl565, plain,
% 6.56/1.54      ((![X1 : $i]: (~ (c3_1 @ X1) |  (c2_1 @ X1) | ~ (c0_1 @ X1)))
% 6.56/1.54         <= ((![X1 : $i]: (~ (c3_1 @ X1) |  (c2_1 @ X1) | ~ (c0_1 @ X1))))),
% 6.56/1.54      inference('split', [status(esa)], [zip_derived_cl159])).
% 6.56/1.54  thf(zip_derived_cl349, plain, (( (c0_1 @ a816)) <= (( (c0_1 @ a816)))),
% 6.56/1.54      inference('split', [status(esa)], [zip_derived_cl81])).
% 6.56/1.54  thf(zip_derived_cl1087, plain,
% 6.56/1.54      ((( (c2_1 @ a816) | ~ (c3_1 @ a816)))
% 6.56/1.54         <= (( (c0_1 @ a816)) & 
% 6.56/1.54             (![X1 : $i]: (~ (c3_1 @ X1) |  (c2_1 @ X1) | ~ (c0_1 @ X1))))),
% 6.56/1.54      inference('s_sup+', [status(thm)], [zip_derived_cl565, zip_derived_cl349])).
% 6.56/1.54  thf('185', plain,
% 6.56/1.54      (~ (![X1 : $i]: (~ (c3_1 @ X1) |  (c2_1 @ X1) | ~ (c0_1 @ X1))) | 
% 6.56/1.54       ~ ( (c0_1 @ a816)) | ~ ( (c3_1 @ a816)) | ( (c2_1 @ a816))),
% 6.56/1.54      inference('split', [status(esa)], [zip_derived_cl1087])).
% 6.56/1.54  thf(zip_derived_cl446, plain,
% 6.56/1.54      ((![X0 : $i]: ( (c3_1 @ X0) |  (c1_1 @ X0) |  (c0_1 @ X0)))
% 6.56/1.54         <= ((![X0 : $i]: ( (c3_1 @ X0) |  (c1_1 @ X0) |  (c0_1 @ X0))))),
% 6.56/1.54      inference('split', [status(esa)], [zip_derived_cl129])).
% 6.56/1.54  thf(zip_derived_cl435, plain, ((~ (c0_1 @ a817)) <= (~ ( (c0_1 @ a817)))),
% 6.56/1.54      inference('split', [status(esa)], [zip_derived_cl124])).
% 6.56/1.54  thf(zip_derived_cl1063, plain,
% 6.56/1.54      ((( (c1_1 @ a817) |  (c3_1 @ a817)))
% 6.56/1.54         <= (~ ( (c0_1 @ a817)) & 
% 6.56/1.54             (![X0 : $i]: ( (c3_1 @ X0) |  (c1_1 @ X0) |  (c0_1 @ X0))))),
% 6.56/1.54      inference('s_sup-', [status(thm)], [zip_derived_cl446, zip_derived_cl435])).
% 6.56/1.54  thf('186', plain,
% 6.56/1.54      (~ (![X0 : $i]: ( (c3_1 @ X0) |  (c1_1 @ X0) |  (c0_1 @ X0))) | 
% 6.56/1.54       ( (c1_1 @ a817)) | ( (c0_1 @ a817)) | ( (c3_1 @ a817))),
% 6.56/1.54      inference('split', [status(esa)], [zip_derived_cl1063])).
% 6.56/1.54  thf('187', plain, (( (c2_1 @ a817)) | ~ ( (hskp2))),
% 6.56/1.54      inference('split', [status(esa)], [zip_derived_cl80])).
% 6.56/1.54  thf('188', plain, (~ ( (c0_1 @ a817)) | ~ ( (hskp2))),
% 6.56/1.54      inference('split', [status(esa)], [zip_derived_cl124])).
% 6.56/1.54  thf(clause126, conjecture, (~( ( ~( hskp2 ) ) | ( ~( c3_1 @ a817 ) ) ))).
% 6.56/1.54  thf(zf_stmt_118, negated_conjecture, (( ~( hskp2 ) ) | ( ~( c3_1 @ a817 ) )),
% 6.56/1.54    inference('cnf.neg', [status(esa)], [clause126])).
% 6.56/1.54  thf(zip_derived_cl125, plain, ((~ (hskp2) | ~ (c3_1 @ a817))),
% 6.56/1.54      inference('cnf', [status(esa)], [zf_stmt_118])).
% 6.56/1.54  thf('189', plain, (~ ( (c3_1 @ a817)) | ~ ( (hskp2))),
% 6.56/1.54      inference('split', [status(esa)], [zip_derived_cl125])).
% 6.56/1.54  thf('190', plain,
% 6.56/1.54      ((![X1 : $i]: (~ (c3_1 @ X1) |  (c1_1 @ X1) |  (c0_1 @ X1))) | 
% 6.56/1.54       (![X1 : $i]: (~ (c3_1 @ X1) |  (c2_1 @ X1) |  (c1_1 @ X1))) | 
% 6.56/1.54       ( (hskp2)) | ~ ( (ndr1_0))),
% 6.56/1.54      inference('split', [status(esa)], [zip_derived_cl154])).
% 6.56/1.54  thf(clause178, conjecture,
% 6.56/1.54    (~( ( c0_1 @ W ) | ( c2_1 @ V ) | ( c1_1 @ V ) | ( c2_1 @ U ) | 
% 6.56/1.54        ( ~( c2_1 @ W ) ) | ( ~( c1_1 @ W ) ) | ( ~( c3_1 @ V ) ) | 
% 6.56/1.54        ( ~( ndr1_0 ) ) | ( ~( c1_1 @ U ) ) | ( ~( c0_1 @ U ) ) ))).
% 6.56/1.54  thf(zf_stmt_119, negated_conjecture,
% 6.56/1.54    (( c0_1 @ W ) | ( c2_1 @ V ) | ( c1_1 @ V ) | ( c2_1 @ U ) | 
% 6.56/1.54     ( ~( c2_1 @ W ) ) | ( ~( c1_1 @ W ) ) | ( ~( c3_1 @ V ) ) | 
% 6.56/1.54     ( ~( ndr1_0 ) ) | ( ~( c1_1 @ U ) ) | ( ~( c0_1 @ U ) )),
% 6.56/1.54    inference('cnf.neg', [status(esa)], [clause178])).
% 6.56/1.54  thf(zip_derived_cl177, plain,
% 6.56/1.54      (![X0 : $i, X1 : $i, X2 : $i]:
% 6.56/1.54         ( (c0_1 @ X0)
% 6.56/1.54          |  (c2_1 @ X1)
% 6.56/1.54          |  (c1_1 @ X1)
% 6.56/1.54          |  (c2_1 @ X2)
% 6.56/1.54          | ~ (c2_1 @ X0)
% 6.56/1.54          | ~ (c1_1 @ X0)
% 6.56/1.54          | ~ (c3_1 @ X1)
% 6.56/1.54          | ~ (ndr1_0)
% 6.56/1.54          | ~ (c1_1 @ X2)
% 6.56/1.54          | ~ (c0_1 @ X2))),
% 6.56/1.54      inference('cnf', [status(esa)], [zf_stmt_119])).
% 6.56/1.54  thf('191', plain,
% 6.56/1.54      ((![X0 : $i]: ( (c2_1 @ X0) | ~ (c1_1 @ X0) | ~ (c0_1 @ X0))) | 
% 6.56/1.54       (![X1 : $i]: (~ (c2_1 @ X1) | ~ (c1_1 @ X1) |  (c0_1 @ X1))) | 
% 6.56/1.54       (![X1 : $i]: (~ (c3_1 @ X1) |  (c2_1 @ X1) |  (c1_1 @ X1))) | 
% 6.56/1.54       ~ ( (ndr1_0))),
% 6.56/1.54      inference('split', [status(esa)], [zip_derived_cl177])).
% 6.56/1.54  thf(zip_derived_cl545, plain,
% 6.56/1.54      ((![X1 : $i]: (~ (c3_1 @ X1) |  (c2_1 @ X1) |  (c1_1 @ X1)))
% 6.56/1.54         <= ((![X1 : $i]: (~ (c3_1 @ X1) |  (c2_1 @ X1) |  (c1_1 @ X1))))),
% 6.56/1.54      inference('split', [status(esa)], [zip_derived_cl154])).
% 6.56/1.54  thf(clause92, conjecture, (~( ( ~( hskp22 ) ) | ( ~( c2_1 @ a860 ) ) ))).
% 6.56/1.54  thf(zf_stmt_120, negated_conjecture,
% 6.56/1.54    (( ~( hskp22 ) ) | ( ~( c2_1 @ a860 ) )),
% 6.56/1.54    inference('cnf.neg', [status(esa)], [clause92])).
% 6.56/1.54  thf(zip_derived_cl91, plain, ((~ (hskp22) | ~ (c2_1 @ a860))),
% 6.56/1.54      inference('cnf', [status(esa)], [zf_stmt_120])).
% 6.56/1.54  thf(zip_derived_cl369, plain, ((~ (c2_1 @ a860)) <= (~ ( (c2_1 @ a860)))),
% 6.56/1.54      inference('split', [status(esa)], [zip_derived_cl91])).
% 6.56/1.54  thf(zip_derived_cl1941, plain,
% 6.56/1.54      ((( (c1_1 @ a860) | ~ (c3_1 @ a860)))
% 6.56/1.54         <= (~ ( (c2_1 @ a860)) & 
% 6.56/1.54             (![X1 : $i]: (~ (c3_1 @ X1) |  (c2_1 @ X1) |  (c1_1 @ X1))))),
% 6.56/1.54      inference('s_sup-', [status(thm)], [zip_derived_cl545, zip_derived_cl369])).
% 6.56/1.54  thf('192', plain,
% 6.56/1.54      (~ ( (c3_1 @ a860)) | ( (c2_1 @ a860)) | 
% 6.56/1.54       ~ (![X1 : $i]: (~ (c3_1 @ X1) |  (c2_1 @ X1) |  (c1_1 @ X1))) | 
% 6.56/1.54       ( (c1_1 @ a860))),
% 6.56/1.54      inference('split', [status(esa)], [zip_derived_cl1941])).
% 6.56/1.54  thf('193', plain,
% 6.56/1.54      ((![X1 : $i]: (~ (c3_1 @ X1) |  (c1_1 @ X1) |  (c0_1 @ X1))) | 
% 6.56/1.54       (![X0 : $i]: ( (c3_1 @ X0) |  (c1_1 @ X0) |  (c0_1 @ X0))) | 
% 6.56/1.54       ~ ( (ndr1_0))),
% 6.56/1.54      inference('split', [status(esa)], [zip_derived_cl149])).
% 6.56/1.54  thf('194', plain, (~ ( (c0_1 @ a860)) | ~ ( (hskp22))),
% 6.56/1.54      inference('split', [status(esa)], [zip_derived_cl89])).
% 6.56/1.54  thf(zip_derived_cl526, plain,
% 6.56/1.54      ((![X1 : $i]: (~ (c3_1 @ X1) |  (c1_1 @ X1) |  (c0_1 @ X1)))
% 6.56/1.54         <= ((![X1 : $i]: (~ (c3_1 @ X1) |  (c1_1 @ X1) |  (c0_1 @ X1))))),
% 6.56/1.54      inference('split', [status(esa)], [zip_derived_cl149])).
% 6.56/1.54  thf(zip_derived_cl365, plain, ((~ (c0_1 @ a860)) <= (~ ( (c0_1 @ a860)))),
% 6.56/1.54      inference('split', [status(esa)], [zip_derived_cl89])).
% 6.56/1.54  thf(zip_derived_cl1839, plain,
% 6.56/1.54      ((( (c1_1 @ a860) | ~ (c3_1 @ a860)))
% 6.56/1.54         <= (~ ( (c0_1 @ a860)) & 
% 6.56/1.54             (![X1 : $i]: (~ (c3_1 @ X1) |  (c1_1 @ X1) |  (c0_1 @ X1))))),
% 6.56/1.54      inference('s_sup-', [status(thm)], [zip_derived_cl526, zip_derived_cl365])).
% 6.56/1.54  thf('195', plain,
% 6.56/1.54      (~ ( (c3_1 @ a860)) | ( (c1_1 @ a860)) | 
% 6.56/1.54       ~ (![X1 : $i]: (~ (c3_1 @ X1) |  (c1_1 @ X1) |  (c0_1 @ X1))) | 
% 6.56/1.54       ( (c0_1 @ a860))),
% 6.56/1.54      inference('split', [status(esa)], [zip_derived_cl1839])).
% 6.56/1.54  thf(zip_derived_cl443, plain,
% 6.56/1.54      ((![X0 : $i]: ( (c3_1 @ X0) |  (c2_1 @ X0) |  (c1_1 @ X0)))
% 6.56/1.54         <= ((![X0 : $i]: ( (c3_1 @ X0) |  (c2_1 @ X0) |  (c1_1 @ X0))))),
% 6.56/1.54      inference('split', [status(esa)], [zip_derived_cl128])).
% 6.56/1.54  thf(zip_derived_cl369, plain, ((~ (c2_1 @ a860)) <= (~ ( (c2_1 @ a860)))),
% 6.56/1.54      inference('split', [status(esa)], [zip_derived_cl91])).
% 6.56/1.54  thf(zip_derived_cl973, plain,
% 6.56/1.54      ((( (c1_1 @ a860) |  (c3_1 @ a860)))
% 6.56/1.54         <= (~ ( (c2_1 @ a860)) & 
% 6.56/1.54             (![X0 : $i]: ( (c3_1 @ X0) |  (c2_1 @ X0) |  (c1_1 @ X0))))),
% 6.56/1.54      inference('s_sup-', [status(thm)], [zip_derived_cl443, zip_derived_cl369])).
% 6.56/1.54  thf('196', plain,
% 6.56/1.54      (~ (![X0 : $i]: ( (c3_1 @ X0) |  (c2_1 @ X0) |  (c1_1 @ X0))) | 
% 6.56/1.54       ( (c3_1 @ a860)) | ( (c1_1 @ a860)) | ( (c2_1 @ a860))),
% 6.56/1.54      inference('split', [status(esa)], [zip_derived_cl973])).
% 6.56/1.54  thf(clause91, conjecture, (~( ( ~( hskp22 ) ) | ( ~( c1_1 @ a860 ) ) ))).
% 6.56/1.54  thf(zf_stmt_121, negated_conjecture,
% 6.56/1.54    (( ~( hskp22 ) ) | ( ~( c1_1 @ a860 ) )),
% 6.56/1.54    inference('cnf.neg', [status(esa)], [clause91])).
% 6.56/1.54  thf(zip_derived_cl90, plain, ((~ (hskp22) | ~ (c1_1 @ a860))),
% 6.56/1.54      inference('cnf', [status(esa)], [zf_stmt_121])).
% 6.56/1.54  thf('197', plain, (~ ( (c1_1 @ a860)) | ~ ( (hskp22))),
% 6.56/1.54      inference('split', [status(esa)], [zip_derived_cl90])).
% 6.56/1.54  thf('198', plain, (~ ( (c2_1 @ a860)) | ~ ( (hskp22))),
% 6.56/1.54      inference('split', [status(esa)], [zip_derived_cl91])).
% 6.56/1.54  thf(zip_derived_cl561, plain,
% 6.56/1.54      ((![X1 : $i]: (~ (c2_1 @ X1) | ~ (c1_1 @ X1) |  (c0_1 @ X1)))
% 6.56/1.54         <= ((![X1 : $i]: (~ (c2_1 @ X1) | ~ (c1_1 @ X1) |  (c0_1 @ X1))))),
% 6.56/1.54      inference('split', [status(esa)], [zip_derived_cl158])).
% 6.56/1.54  thf(zip_derived_cl435, plain, ((~ (c0_1 @ a817)) <= (~ ( (c0_1 @ a817)))),
% 6.56/1.54      inference('split', [status(esa)], [zip_derived_cl124])).
% 6.56/1.54  thf(zip_derived_cl1397, plain,
% 6.56/1.54      (((~ (c1_1 @ a817) | ~ (c2_1 @ a817)))
% 6.56/1.54         <= (~ ( (c0_1 @ a817)) & 
% 6.56/1.54             (![X1 : $i]: (~ (c2_1 @ X1) | ~ (c1_1 @ X1) |  (c0_1 @ X1))))),
% 6.56/1.54      inference('s_sup-', [status(thm)], [zip_derived_cl561, zip_derived_cl435])).
% 6.56/1.54  thf('199', plain,
% 6.56/1.54      (~ ( (c1_1 @ a817)) | ~ ( (c2_1 @ a817)) | 
% 6.56/1.54       ~ (![X1 : $i]: (~ (c2_1 @ X1) | ~ (c1_1 @ X1) |  (c0_1 @ X1))) | 
% 6.56/1.54       ( (c0_1 @ a817))),
% 6.56/1.54      inference('split', [status(esa)], [zip_derived_cl1397])).
% 6.56/1.54  thf(zip_derived_cl502, plain,
% 6.56/1.54      ((![X0 : $i]: ( (c2_1 @ X0) | ~ (c1_1 @ X0) | ~ (c0_1 @ X0)))
% 6.56/1.54         <= ((![X0 : $i]: ( (c2_1 @ X0) | ~ (c1_1 @ X0) | ~ (c0_1 @ X0))))),
% 6.56/1.54      inference('split', [status(esa)], [zip_derived_cl143])).
% 6.56/1.54  thf(zip_derived_cl311, plain, (( (c0_1 @ a842)) <= (( (c0_1 @ a842)))),
% 6.56/1.54      inference('split', [status(esa)], [zip_derived_cl62])).
% 6.56/1.54  thf(zip_derived_cl928, plain,
% 6.56/1.54      (((~ (c1_1 @ a842) |  (c2_1 @ a842)))
% 6.56/1.54         <= (( (c0_1 @ a842)) & 
% 6.56/1.54             (![X0 : $i]: ( (c2_1 @ X0) | ~ (c1_1 @ X0) | ~ (c0_1 @ X0))))),
% 6.56/1.54      inference('s_sup+', [status(thm)], [zip_derived_cl502, zip_derived_cl311])).
% 6.56/1.54  thf('200', plain,
% 6.56/1.54      (( (c2_1 @ a842)) | ~ ( (c1_1 @ a842)) | 
% 6.56/1.54       ~ (![X0 : $i]: ( (c2_1 @ X0) | ~ (c1_1 @ X0) | ~ (c0_1 @ X0))) | 
% 6.56/1.54       ~ ( (c0_1 @ a842))),
% 6.56/1.54      inference('split', [status(esa)], [zip_derived_cl928])).
% 6.56/1.54  thf('201', plain, (( (c0_1 @ a842)) | ~ ( (hskp14))),
% 6.56/1.54      inference('split', [status(esa)], [zip_derived_cl62])).
% 6.56/1.54  thf(clause64, conjecture, (~( ( c1_1 @ a842 ) | ( ~( hskp14 ) ) ))).
% 6.56/1.54  thf(zf_stmt_122, negated_conjecture, (( c1_1 @ a842 ) | ( ~( hskp14 ) )),
% 6.56/1.54    inference('cnf.neg', [status(esa)], [clause64])).
% 6.56/1.54  thf(zip_derived_cl63, plain, (( (c1_1 @ a842) | ~ (hskp14))),
% 6.56/1.54      inference('cnf', [status(esa)], [zf_stmt_122])).
% 6.56/1.54  thf('202', plain, (( (c1_1 @ a842)) | ~ ( (hskp14))),
% 6.56/1.54      inference('split', [status(esa)], [zip_derived_cl63])).
% 6.56/1.54  thf('203', plain, (~ ( (c2_1 @ a842)) | ~ ( (hskp14))),
% 6.56/1.54      inference('split', [status(esa)], [zip_derived_cl106])).
% 6.56/1.54  thf(zip_derived_cl545, plain,
% 6.56/1.54      ((![X1 : $i]: (~ (c3_1 @ X1) |  (c2_1 @ X1) |  (c1_1 @ X1)))
% 6.56/1.54         <= ((![X1 : $i]: (~ (c3_1 @ X1) |  (c2_1 @ X1) |  (c1_1 @ X1))))),
% 6.56/1.54      inference('split', [status(esa)], [zip_derived_cl154])).
% 6.56/1.54  thf(zip_derived_cl439, plain, ((~ (c2_1 @ a816)) <= (~ ( (c2_1 @ a816)))),
% 6.56/1.54      inference('split', [status(esa)], [zip_derived_cl126])).
% 6.56/1.54  thf(zip_derived_cl1939, plain,
% 6.56/1.54      ((( (c1_1 @ a816) | ~ (c3_1 @ a816)))
% 6.56/1.54         <= (~ ( (c2_1 @ a816)) & 
% 6.56/1.54             (![X1 : $i]: (~ (c3_1 @ X1) |  (c2_1 @ X1) |  (c1_1 @ X1))))),
% 6.56/1.54      inference('s_sup-', [status(thm)], [zip_derived_cl545, zip_derived_cl439])).
% 6.56/1.54  thf('204', plain,
% 6.56/1.54      (( (c1_1 @ a816)) | ( (c2_1 @ a816)) | 
% 6.56/1.54       ~ (![X1 : $i]: (~ (c3_1 @ X1) |  (c2_1 @ X1) |  (c1_1 @ X1))) | 
% 6.56/1.54       ~ ( (c3_1 @ a816))),
% 6.56/1.54      inference('split', [status(esa)], [zip_derived_cl1939])).
% 6.56/1.54  thf('205', plain,
% 6.56/1.54      ((![X0 : $i]: ( (c2_1 @ X0) | ~ (c1_1 @ X0) |  (c0_1 @ X0))) | 
% 6.56/1.54       (![X2 : $i]: (~ (c3_1 @ X2) |  (c2_1 @ X2) | ~ (c1_1 @ X2))) | 
% 6.56/1.54       ~ ( (ndr1_0)) | 
% 6.56/1.54       (![X1 : $i]: (~ (c3_1 @ X1) |  (c2_1 @ X1) | ~ (c0_1 @ X1)))),
% 6.56/1.54      inference('split', [status(esa)], [zip_derived_cl175])).
% 6.56/1.54  thf(clause180, conjecture,
% 6.56/1.54    (~( ( c2_1 @ W ) | ( c1_1 @ W ) | ( c2_1 @ V ) | ( c1_1 @ V ) | 
% 6.56/1.54        ( ~( c0_1 @ W ) ) | ( ~( c3_1 @ V ) ) | ( ~( ndr1_0 ) ) | 
% 6.56/1.54        ( ~( c3_1 @ U ) ) | ( ~( c1_1 @ U ) ) | ( ~( c0_1 @ U ) ) ))).
% 6.56/1.54  thf(zf_stmt_123, negated_conjecture,
% 6.56/1.54    (( c2_1 @ W ) | ( c1_1 @ W ) | ( c2_1 @ V ) | ( c1_1 @ V ) | 
% 6.56/1.54     ( ~( c0_1 @ W ) ) | ( ~( c3_1 @ V ) ) | ( ~( ndr1_0 ) ) | 
% 6.56/1.54     ( ~( c3_1 @ U ) ) | ( ~( c1_1 @ U ) ) | ( ~( c0_1 @ U ) )),
% 6.56/1.54    inference('cnf.neg', [status(esa)], [clause180])).
% 6.56/1.54  thf(zip_derived_cl179, plain,
% 6.56/1.54      (![X0 : $i, X1 : $i, X2 : $i]:
% 6.56/1.54         ( (c2_1 @ X0)
% 6.56/1.54          |  (c1_1 @ X0)
% 6.56/1.54          |  (c2_1 @ X1)
% 6.56/1.54          |  (c1_1 @ X1)
% 6.56/1.54          | ~ (c0_1 @ X0)
% 6.56/1.54          | ~ (c3_1 @ X1)
% 6.56/1.54          | ~ (ndr1_0)
% 6.56/1.54          | ~ (c3_1 @ X2)
% 6.56/1.54          | ~ (c1_1 @ X2)
% 6.56/1.54          | ~ (c0_1 @ X2))),
% 6.56/1.54      inference('cnf', [status(esa)], [zf_stmt_123])).
% 6.56/1.54  thf('206', plain,
% 6.56/1.54      ((![X1 : $i]: ( (c2_1 @ X1) |  (c1_1 @ X1) | ~ (c0_1 @ X1))) | 
% 6.56/1.54       (![X1 : $i]: (~ (c3_1 @ X1) |  (c2_1 @ X1) |  (c1_1 @ X1))) | 
% 6.56/1.54       (![X1 : $i]: (~ (c3_1 @ X1) | ~ (c1_1 @ X1) | ~ (c0_1 @ X1))) | 
% 6.56/1.54       ~ ( (ndr1_0))),
% 6.56/1.54      inference('split', [status(esa)], [zip_derived_cl179])).
% 6.56/1.54  thf(clause173, conjecture,
% 6.56/1.54    (~( ( c3_1 @ V ) | ( c0_1 @ V ) | ( c3_1 @ W ) | ( c2_1 @ W ) | 
% 6.56/1.54        ( c1_1 @ W ) | ( c3_1 @ U ) | ( ~( c2_1 @ V ) ) | ( ~( ndr1_0 ) ) | 
% 6.56/1.54        ( ~( c2_1 @ U ) ) | ( ~( c1_1 @ U ) ) ))).
% 6.56/1.54  thf(zf_stmt_124, negated_conjecture,
% 6.56/1.54    (( c3_1 @ V ) | ( c0_1 @ V ) | ( c3_1 @ W ) | ( c2_1 @ W ) | 
% 6.56/1.54     ( c1_1 @ W ) | ( c3_1 @ U ) | ( ~( c2_1 @ V ) ) | ( ~( ndr1_0 ) ) | 
% 6.56/1.54     ( ~( c2_1 @ U ) ) | ( ~( c1_1 @ U ) )),
% 6.56/1.54    inference('cnf.neg', [status(esa)], [clause173])).
% 6.56/1.54  thf(zip_derived_cl172, plain,
% 6.56/1.54      (![X0 : $i, X1 : $i, X2 : $i]:
% 6.56/1.54         ( (c3_1 @ X0)
% 6.56/1.54          |  (c0_1 @ X0)
% 6.56/1.54          |  (c3_1 @ X1)
% 6.56/1.54          |  (c2_1 @ X1)
% 6.56/1.54          |  (c1_1 @ X1)
% 6.56/1.54          |  (c3_1 @ X2)
% 6.56/1.54          | ~ (c2_1 @ X0)
% 6.56/1.54          | ~ (ndr1_0)
% 6.56/1.54          | ~ (c2_1 @ X2)
% 6.56/1.54          | ~ (c1_1 @ X2))),
% 6.56/1.54      inference('cnf', [status(esa)], [zf_stmt_124])).
% 6.56/1.54  thf('207', plain,
% 6.56/1.54      ((![X0 : $i]: ( (c3_1 @ X0) | ~ (c2_1 @ X0) |  (c0_1 @ X0))) | 
% 6.56/1.54       (![X0 : $i]: ( (c3_1 @ X0) | ~ (c2_1 @ X0) | ~ (c1_1 @ X0))) | 
% 6.56/1.54       ~ ( (ndr1_0)) | 
% 6.56/1.54       (![X0 : $i]: ( (c3_1 @ X0) |  (c2_1 @ X0) |  (c1_1 @ X0)))),
% 6.56/1.54      inference('split', [status(esa)], [zip_derived_cl172])).
% 6.56/1.54  thf(clause6, conjecture, (~( ( ndr1_0 ) | ( ~( hskp25 ) ) ))).
% 6.56/1.54  thf(zf_stmt_125, negated_conjecture, (( ndr1_0 ) | ( ~( hskp25 ) )),
% 6.56/1.54    inference('cnf.neg', [status(esa)], [clause6])).
% 6.56/1.54  thf(zip_derived_cl5, plain, (( (ndr1_0) | ~ (hskp25))),
% 6.56/1.54      inference('cnf', [status(esa)], [zf_stmt_125])).
% 6.56/1.54  thf('208', plain, (~ ( (hskp25)) | ( (ndr1_0))),
% 6.56/1.54      inference('split', [status(esa)], [zip_derived_cl5])).
% 6.56/1.54  thf(clause36, conjecture, (~( ( hskp5 ) | ( hskp25 ) | ( hskp23 ) ))).
% 6.56/1.54  thf(zf_stmt_126, negated_conjecture, (( hskp5 ) | ( hskp25 ) | ( hskp23 )),
% 6.56/1.54    inference('cnf.neg', [status(esa)], [clause36])).
% 6.56/1.54  thf(zip_derived_cl35, plain, (( (hskp5) |  (hskp25) |  (hskp23))),
% 6.56/1.54      inference('cnf', [status(esa)], [zf_stmt_126])).
% 6.56/1.54  thf('209', plain, (( (hskp25)) | ( (hskp5)) | ( (hskp23))),
% 6.56/1.54      inference('split', [status(esa)], [zip_derived_cl35])).
% 6.56/1.54  thf(zip_derived_cl7680, plain, ($false),
% 6.56/1.54      inference('sat_resolution*', [status(thm)],
% 6.56/1.54                ['0', '1', '2', '3', '4', '5', '6', '7', '8', '9', '10', '11', 
% 6.56/1.54                 '12', '13', '14', '15', '16', '17', '18', '19', '20', '21', 
% 6.56/1.54                 '22', '23', '24', '25', '26', '27', '28', '29', '30', '31', 
% 6.56/1.54                 '32', '33', '34', '35', '36', '37', '38', '39', '40', '41', 
% 6.56/1.54                 '42', '43', '44', '45', '46', '47', '48', '49', '50', '51', 
% 6.56/1.54                 '52', '53', '54', '55', '56', '57', '58', '59', '60', '61', 
% 6.56/1.54                 '62', '63', '64', '65', '66', '67', '68', '69', '70', '71', 
% 6.56/1.54                 '72', '73', '74', '75', '76', '77', '78', '79', '80', '81', 
% 6.56/1.54                 '82', '83', '84', '85', '86', '87', '88', '89', '90', '91', 
% 6.56/1.54                 '92', '93', '94', '95', '96', '97', '98', '99', '100', '101', 
% 6.56/1.54                 '102', '103', '104', '105', '106', '107', '108', '109', 
% 6.56/1.54                 '110', '111', '112', '113', '114', '115', '116', '117', 
% 6.56/1.54                 '118', '119', '120', '121', '122', '123', '124', '125', 
% 6.56/1.54                 '126', '127', '128', '129', '130', '131', '132', '133', 
% 6.56/1.54                 '134', '135', '136', '137', '138', '139', '140', '141', 
% 6.56/1.54                 '142', '143', '144', '145', '146', '147', '148', '149', 
% 6.56/1.54                 '150', '151', '152', '153', '154', '155', '156', '157', 
% 6.56/1.54                 '158', '159', '160', '161', '162', '163', '164', '165', 
% 6.56/1.54                 '166', '167', '168', '169', '170', '171', '172', '173', 
% 6.56/1.54                 '174', '175', '176', '177', '178', '179', '180', '181', 
% 6.56/1.54                 '182', '183', '184', '185', '186', '187', '188', '189', 
% 6.56/1.54                 '190', '191', '192', '193', '194', '195', '196', '197', 
% 6.56/1.54                 '198', '199', '200', '201', '202', '203', '204', '205', 
% 6.56/1.54                 '206', '207', '208', '209'])).
% 6.56/1.54  
% 6.56/1.54  % SZS output end Refutation
% 6.56/1.54  
% 6.56/1.54  
% 6.56/1.54  % Terminating...
% 6.56/1.58  % Runner terminated.
% 6.56/1.60  % Zipperpin 1.5 exiting
%------------------------------------------------------------------------------