TSTP Solution File: SYN457-1 by Zipperpin---2.1.9999

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Zipperpin---2.1.9999
% Problem  : SYN457-1 : TPTP v8.1.2. Released v2.1.0.
% Transfm  : NO INFORMATION
% Format   : NO INFORMATION
% Command  : python3 /export/starexec/sandbox2/solver/bin/portfolio.lams.parallel.py %s %d /export/starexec/sandbox2/tmp/tmp.UsLKZnAwmu true

% Computer : n027.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 04:03:40 EDT 2023

% Result   : Unsatisfiable 16.02s 2.97s
% Output   : Refutation 16.02s
% Verified : 
% SZS Type : -

% Comments : 
%------------------------------------------------------------------------------
%----WARNING: Could not form TPTP format derivation
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.12  % Problem  : SYN457-1 : TPTP v8.1.2. Released v2.1.0.
% 0.00/0.13  % Command  : python3 /export/starexec/sandbox2/solver/bin/portfolio.lams.parallel.py %s %d /export/starexec/sandbox2/tmp/tmp.UsLKZnAwmu true
% 0.16/0.34  % Computer : n027.cluster.edu
% 0.16/0.34  % Model    : x86_64 x86_64
% 0.16/0.34  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.16/0.34  % Memory   : 8042.1875MB
% 0.16/0.34  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.16/0.34  % CPULimit : 300
% 0.16/0.34  % WCLimit  : 300
% 0.16/0.34  % DateTime : Sat Aug 26 19:46:05 EDT 2023
% 0.16/0.34  % CPUTime  : 
% 0.16/0.34  % Running portfolio for 300 s
% 0.16/0.34  % File         : /export/starexec/sandbox2/benchmark/theBenchmark.p
% 0.16/0.34  % Number of cores: 8
% 0.16/0.35  % Python version: Python 3.6.8
% 0.16/0.35  % Running in FO mode
% 0.20/0.65  % Total configuration time : 435
% 0.20/0.65  % Estimated wc time : 1092
% 0.20/0.65  % Estimated cpu time (7 cpus) : 156.0
% 0.20/0.71  % /export/starexec/sandbox2/solver/bin/fo/fo6_bce.sh running for 75s
% 0.20/0.73  % /export/starexec/sandbox2/solver/bin/fo/fo3_bce.sh running for 75s
% 0.20/0.76  % /export/starexec/sandbox2/solver/bin/fo/fo1_av.sh running for 75s
% 0.20/0.76  % /export/starexec/sandbox2/solver/bin/fo/fo7.sh running for 63s
% 0.20/0.76  % /export/starexec/sandbox2/solver/bin/fo/fo13.sh running for 50s
% 0.20/0.76  % /export/starexec/sandbox2/solver/bin/fo/fo5.sh running for 50s
% 0.20/0.77  % /export/starexec/sandbox2/solver/bin/fo/fo4.sh running for 50s
% 16.02/2.97  % Solved by fo/fo1_av.sh.
% 16.02/2.97  % done 4175 iterations in 2.137s
% 16.02/2.97  % SZS status Theorem for '/export/starexec/sandbox2/benchmark/theBenchmark.p'
% 16.02/2.97  % SZS output start Refutation
% 16.02/2.97  thf(hskp65_type, type, hskp65: $o).
% 16.02/2.97  thf(hskp5_type, type, hskp5: $o).
% 16.02/2.97  thf(c2_1_type, type, c2_1: $i > $o).
% 16.02/2.97  thf(hskp62_type, type, hskp62: $o).
% 16.02/2.97  thf(a1695_type, type, a1695: $i).
% 16.02/2.97  thf(hskp49_type, type, hskp49: $o).
% 16.02/2.97  thf(c3_1_type, type, c3_1: $i > $o).
% 16.02/2.97  thf(a1682_type, type, a1682: $i).
% 16.02/2.97  thf(a1672_type, type, a1672: $i).
% 16.02/2.97  thf(a1639_type, type, a1639: $i).
% 16.02/2.97  thf(a1692_type, type, a1692: $i).
% 16.02/2.97  thf(a1676_type, type, a1676: $i).
% 16.02/2.97  thf(c0_1_type, type, c0_1: $i > $o).
% 16.02/2.97  thf(hskp46_type, type, hskp46: $o).
% 16.02/2.97  thf(hskp22_type, type, hskp22: $o).
% 16.02/2.97  thf(hskp12_type, type, hskp12: $o).
% 16.02/2.97  thf(hskp19_type, type, hskp19: $o).
% 16.02/2.97  thf(a1663_type, type, a1663: $i).
% 16.02/2.97  thf(hskp7_type, type, hskp7: $o).
% 16.02/2.97  thf(hskp56_type, type, hskp56: $o).
% 16.02/2.97  thf(a1714_type, type, a1714: $i).
% 16.02/2.97  thf(a1645_type, type, a1645: $i).
% 16.02/2.97  thf(hskp53_type, type, hskp53: $o).
% 16.02/2.97  thf(hskp37_type, type, hskp37: $o).
% 16.02/2.97  thf(a1681_type, type, a1681: $i).
% 16.02/2.97  thf(a1715_type, type, a1715: $i).
% 16.02/2.97  thf(a1674_type, type, a1674: $i).
% 16.02/2.97  thf(a1691_type, type, a1691: $i).
% 16.02/2.97  thf(hskp11_type, type, hskp11: $o).
% 16.02/2.97  thf(hskp27_type, type, hskp27: $o).
% 16.02/2.97  thf(hskp60_type, type, hskp60: $o).
% 16.02/2.97  thf(a1724_type, type, a1724: $i).
% 16.02/2.97  thf(hskp30_type, type, hskp30: $o).
% 16.02/2.97  thf(hskp0_type, type, hskp0: $o).
% 16.02/2.97  thf(a1671_type, type, a1671: $i).
% 16.02/2.97  thf(a1655_type, type, a1655: $i).
% 16.02/2.97  thf(a1702_type, type, a1702: $i).
% 16.02/2.97  thf(hskp10_type, type, hskp10: $o).
% 16.02/2.97  thf(a1687_type, type, a1687: $i).
% 16.02/2.97  thf(hskp72_type, type, hskp72: $o).
% 16.02/2.97  thf(a1649_type, type, a1649: $i).
% 16.02/2.97  thf(a1673_type, type, a1673: $i).
% 16.02/2.97  thf(a1650_type, type, a1650: $i).
% 16.02/2.97  thf(hskp21_type, type, hskp21: $o).
% 16.02/2.97  thf(hskp66_type, type, hskp66: $o).
% 16.02/2.97  thf(hskp48_type, type, hskp48: $o).
% 16.02/2.97  thf(hskp67_type, type, hskp67: $o).
% 16.02/2.97  thf(a1638_type, type, a1638: $i).
% 16.02/2.97  thf(hskp73_type, type, hskp73: $o).
% 16.02/2.97  thf(hskp51_type, type, hskp51: $o).
% 16.02/2.97  thf(a1656_type, type, a1656: $i).
% 16.02/2.97  thf(hskp15_type, type, hskp15: $o).
% 16.02/2.97  thf(hskp6_type, type, hskp6: $o).
% 16.02/2.97  thf(hskp4_type, type, hskp4: $o).
% 16.02/2.97  thf(hskp35_type, type, hskp35: $o).
% 16.02/2.97  thf(hskp50_type, type, hskp50: $o).
% 16.02/2.97  thf(hskp44_type, type, hskp44: $o).
% 16.02/2.97  thf(hskp2_type, type, hskp2: $o).
% 16.02/2.97  thf(a1675_type, type, a1675: $i).
% 16.02/2.97  thf(hskp26_type, type, hskp26: $o).
% 16.02/2.97  thf(hskp16_type, type, hskp16: $o).
% 16.02/2.97  thf(hskp34_type, type, hskp34: $o).
% 16.02/2.97  thf(a1640_type, type, a1640: $i).
% 16.02/2.97  thf(hskp38_type, type, hskp38: $o).
% 16.02/2.97  thf(hskp33_type, type, hskp33: $o).
% 16.02/2.97  thf(hskp28_type, type, hskp28: $o).
% 16.02/2.97  thf(hskp74_type, type, hskp74: $o).
% 16.02/2.97  thf(a1677_type, type, a1677: $i).
% 16.02/2.97  thf(a1704_type, type, a1704: $i).
% 16.02/2.97  thf(hskp43_type, type, hskp43: $o).
% 16.02/2.97  thf(a1665_type, type, a1665: $i).
% 16.02/2.97  thf(a1664_type, type, a1664: $i).
% 16.02/2.97  thf(a1654_type, type, a1654: $i).
% 16.02/2.97  thf(ndr1_0_type, type, ndr1_0: $o).
% 16.02/2.97  thf(hskp18_type, type, hskp18: $o).
% 16.02/2.97  thf(hskp52_type, type, hskp52: $o).
% 16.02/2.97  thf(hskp42_type, type, hskp42: $o).
% 16.02/2.97  thf(hskp45_type, type, hskp45: $o).
% 16.02/2.97  thf(hskp40_type, type, hskp40: $o).
% 16.02/2.97  thf(hskp75_type, type, hskp75: $o).
% 16.02/2.97  thf(hskp47_type, type, hskp47: $o).
% 16.02/2.97  thf(c1_1_type, type, c1_1: $i > $o).
% 16.02/2.97  thf(hskp3_type, type, hskp3: $o).
% 16.02/2.97  thf(a1641_type, type, a1641: $i).
% 16.02/2.97  thf(hskp58_type, type, hskp58: $o).
% 16.02/2.97  thf(a1716_type, type, a1716: $i).
% 16.02/2.97  thf(a1686_type, type, a1686: $i).
% 16.02/2.97  thf(hskp17_type, type, hskp17: $o).
% 16.02/2.97  thf(a1678_type, type, a1678: $i).
% 16.02/2.97  thf(hskp20_type, type, hskp20: $o).
% 16.02/2.97  thf(a1693_type, type, a1693: $i).
% 16.02/2.97  thf(hskp29_type, type, hskp29: $o).
% 16.02/2.97  thf(a1685_type, type, a1685: $i).
% 16.02/2.97  thf(hskp63_type, type, hskp63: $o).
% 16.02/2.97  thf(a1683_type, type, a1683: $i).
% 16.02/2.97  thf(hskp23_type, type, hskp23: $o).
% 16.02/2.97  thf(a1725_type, type, a1725: $i).
% 16.02/2.97  thf(a1721_type, type, a1721: $i).
% 16.02/2.97  thf(hskp39_type, type, hskp39: $o).
% 16.02/2.97  thf(hskp64_type, type, hskp64: $o).
% 16.02/2.97  thf(hskp68_type, type, hskp68: $o).
% 16.02/2.97  thf(hskp14_type, type, hskp14: $o).
% 16.02/2.97  thf(a1694_type, type, a1694: $i).
% 16.02/2.97  thf(hskp59_type, type, hskp59: $o).
% 16.02/2.97  thf(a1666_type, type, a1666: $i).
% 16.02/2.97  thf(hskp57_type, type, hskp57: $o).
% 16.02/2.97  thf(hskp13_type, type, hskp13: $o).
% 16.02/2.97  thf(hskp61_type, type, hskp61: $o).
% 16.02/2.97  thf(a1637_type, type, a1637: $i).
% 16.02/2.97  thf(a1667_type, type, a1667: $i).
% 16.02/2.97  thf(clause359, conjecture,
% 16.02/2.97    (~( ( c3_1 @ W ) | ( c1_1 @ W ) | ( c2_1 @ W ) | ( c0_1 @ V ) | 
% 16.02/2.97        ( c2_1 @ V ) | ( c1_1 @ V ) | ( c3_1 @ U ) | ( ~( ndr1_0 ) ) | 
% 16.02/2.97        ( ~( c2_1 @ U ) ) | ( ~( c0_1 @ U ) ) ))).
% 16.02/2.97  thf(zf_stmt_0, negated_conjecture,
% 16.02/2.97    (( c3_1 @ W ) | ( c1_1 @ W ) | ( c2_1 @ W ) | ( c0_1 @ V ) | 
% 16.02/2.97     ( c2_1 @ V ) | ( c1_1 @ V ) | ( c3_1 @ U ) | ( ~( ndr1_0 ) ) | 
% 16.02/2.97     ( ~( c2_1 @ U ) ) | ( ~( c0_1 @ U ) )),
% 16.02/2.97    inference('cnf.neg', [status(esa)], [clause359])).
% 16.02/2.97  thf(zip_derived_cl358, plain,
% 16.02/2.97      (![X0 : $i, X1 : $i, X2 : $i]:
% 16.02/2.97         ( (c3_1 @ X0)
% 16.02/2.97          |  (c1_1 @ X0)
% 16.02/2.97          |  (c2_1 @ X0)
% 16.02/2.97          |  (c0_1 @ X1)
% 16.02/2.97          |  (c2_1 @ X1)
% 16.02/2.97          |  (c1_1 @ X1)
% 16.02/2.97          |  (c3_1 @ X2)
% 16.02/2.97          | ~ (ndr1_0)
% 16.02/2.97          | ~ (c2_1 @ X2)
% 16.02/2.97          | ~ (c0_1 @ X2))),
% 16.02/2.97      inference('cnf', [status(esa)], [zf_stmt_0])).
% 16.02/2.97  thf(zip_derived_cl1182, plain,
% 16.02/2.97      ((![X0 : $i]: ( (c3_1 @ X0) |  (c2_1 @ X0) |  (c1_1 @ X0)))
% 16.02/2.97         <= ((![X0 : $i]: ( (c3_1 @ X0) |  (c2_1 @ X0) |  (c1_1 @ X0))))),
% 16.02/2.97      inference('split', [status(esa)], [zip_derived_cl358])).
% 16.02/2.97  thf(clause255, conjecture, (~( ( ~( hskp26 ) ) | ( ~( c1_1 @ a1691 ) ) ))).
% 16.02/2.97  thf(zf_stmt_1, negated_conjecture, (( ~( hskp26 ) ) | ( ~( c1_1 @ a1691 ) )),
% 16.02/2.97    inference('cnf.neg', [status(esa)], [clause255])).
% 16.02/2.97  thf(zip_derived_cl254, plain, ((~ (hskp26) | ~ (c1_1 @ a1691))),
% 16.02/2.97      inference('cnf', [status(esa)], [zf_stmt_1])).
% 16.02/2.97  thf(zip_derived_cl880, plain, ((~ (c1_1 @ a1691)) <= (~ ( (c1_1 @ a1691)))),
% 16.02/2.97      inference('split', [status(esa)], [zip_derived_cl254])).
% 16.02/2.97  thf(zip_derived_cl3248, plain,
% 16.02/2.97      ((( (c2_1 @ a1691) |  (c3_1 @ a1691)))
% 16.02/2.97         <= (~ ( (c1_1 @ a1691)) & 
% 16.02/2.97             (![X0 : $i]: ( (c3_1 @ X0) |  (c2_1 @ X0) |  (c1_1 @ X0))))),
% 16.02/2.97      inference('s_sup-', [status(thm)],
% 16.02/2.97                [zip_derived_cl1182, zip_derived_cl880])).
% 16.02/2.97  thf('0', plain,
% 16.02/2.97      (~ (![X0 : $i]: ( (c3_1 @ X0) |  (c2_1 @ X0) |  (c1_1 @ X0))) | 
% 16.02/2.97       ( (c1_1 @ a1691)) | ( (c2_1 @ a1691)) | ( (c3_1 @ a1691))),
% 16.02/2.97      inference('split', [status(esa)], [zip_derived_cl3248])).
% 16.02/2.97  thf(clause100, conjecture, (~( ( c1_1 @ a1702 ) | ( ~( hskp67 ) ) ))).
% 16.02/2.97  thf(zf_stmt_2, negated_conjecture, (( c1_1 @ a1702 ) | ( ~( hskp67 ) )),
% 16.02/2.97    inference('cnf.neg', [status(esa)], [clause100])).
% 16.02/2.97  thf(zip_derived_cl99, plain, (( (c1_1 @ a1702) | ~ (hskp67))),
% 16.02/2.97      inference('cnf', [status(esa)], [zf_stmt_2])).
% 16.02/2.97  thf(zip_derived_cl570, plain, (( (c1_1 @ a1702)) <= (( (c1_1 @ a1702)))),
% 16.02/2.97      inference('split', [status(esa)], [zip_derived_cl99])).
% 16.02/2.97  thf(clause332, conjecture,
% 16.02/2.97    (~( ( hskp13 ) | ( hskp12 ) | ( ~( ndr1_0 ) ) | ( ~( c1_1 @ U ) ) | 
% 16.02/2.97        ( ~( c3_1 @ U ) ) | ( ~( c2_1 @ U ) ) ))).
% 16.02/2.97  thf(zf_stmt_3, negated_conjecture,
% 16.02/2.97    (( hskp13 ) | ( hskp12 ) | ( ~( ndr1_0 ) ) | ( ~( c1_1 @ U ) ) | 
% 16.02/2.97     ( ~( c3_1 @ U ) ) | ( ~( c2_1 @ U ) )),
% 16.02/2.97    inference('cnf.neg', [status(esa)], [clause332])).
% 16.02/2.97  thf(zip_derived_cl331, plain,
% 16.02/2.97      (![X0 : $i]:
% 16.02/2.97         ( (hskp13)
% 16.02/2.97          |  (hskp12)
% 16.02/2.97          | ~ (ndr1_0)
% 16.02/2.97          | ~ (c1_1 @ X0)
% 16.02/2.97          | ~ (c3_1 @ X0)
% 16.02/2.97          | ~ (c2_1 @ X0))),
% 16.02/2.97      inference('cnf', [status(esa)], [zf_stmt_3])).
% 16.02/2.97  thf(zip_derived_cl1072, plain,
% 16.02/2.97      ((![X0 : $i]: (~ (c3_1 @ X0) | ~ (c2_1 @ X0) | ~ (c1_1 @ X0)))
% 16.02/2.97         <= ((![X0 : $i]: (~ (c3_1 @ X0) | ~ (c2_1 @ X0) | ~ (c1_1 @ X0))))),
% 16.02/2.97      inference('split', [status(esa)], [zip_derived_cl331])).
% 16.02/2.97  thf(zip_derived_cl1337, plain,
% 16.02/2.97      (((~ (c3_1 @ a1702) | ~ (c2_1 @ a1702)))
% 16.02/2.97         <= (( (c1_1 @ a1702)) & 
% 16.02/2.97             (![X0 : $i]: (~ (c3_1 @ X0) | ~ (c2_1 @ X0) | ~ (c1_1 @ X0))))),
% 16.02/2.97      inference('s_sup-', [status(thm)],
% 16.02/2.97                [zip_derived_cl570, zip_derived_cl1072])).
% 16.02/2.97  thf('1', plain,
% 16.02/2.97      (~ (![X0 : $i]: (~ (c3_1 @ X0) | ~ (c2_1 @ X0) | ~ (c1_1 @ X0))) | 
% 16.02/2.97       ~ ( (c2_1 @ a1702)) | ~ ( (c3_1 @ a1702)) | ~ ( (c1_1 @ a1702))),
% 16.02/2.97      inference('split', [status(esa)], [zip_derived_cl1337])).
% 16.02/2.97  thf(clause338, conjecture,
% 16.02/2.97    (~( ( hskp21 ) | ( c2_1 @ V ) | ( c0_1 @ V ) | ( c3_1 @ U ) | 
% 16.02/2.97        ( c2_1 @ U ) | ( ~( c1_1 @ V ) ) | ( ~( ndr1_0 ) ) | ( ~( c1_1 @ U ) ) ))).
% 16.02/2.97  thf(zf_stmt_4, negated_conjecture,
% 16.02/2.97    (( hskp21 ) | ( c2_1 @ V ) | ( c0_1 @ V ) | ( c3_1 @ U ) | ( c2_1 @ U ) | 
% 16.02/2.97     ( ~( c1_1 @ V ) ) | ( ~( ndr1_0 ) ) | ( ~( c1_1 @ U ) )),
% 16.02/2.97    inference('cnf.neg', [status(esa)], [clause338])).
% 16.02/2.97  thf(zip_derived_cl337, plain,
% 16.02/2.97      (![X0 : $i, X1 : $i]:
% 16.02/2.97         ( (hskp21)
% 16.02/2.97          |  (c2_1 @ X0)
% 16.02/2.97          |  (c0_1 @ X0)
% 16.02/2.97          |  (c3_1 @ X1)
% 16.02/2.97          |  (c2_1 @ X1)
% 16.02/2.97          | ~ (c1_1 @ X0)
% 16.02/2.97          | ~ (ndr1_0)
% 16.02/2.97          | ~ (c1_1 @ X1))),
% 16.02/2.97      inference('cnf', [status(esa)], [zf_stmt_4])).
% 16.02/2.97  thf('2', plain,
% 16.02/2.97      ((![X1 : $i]: ( (c2_1 @ X1) | ~ (c1_1 @ X1) |  (c3_1 @ X1))) | 
% 16.02/2.97       (![X0 : $i]: ( (c0_1 @ X0) |  (c2_1 @ X0) | ~ (c1_1 @ X0))) | 
% 16.02/2.97       ( (hskp21)) | ~ ( (ndr1_0))),
% 16.02/2.97      inference('split', [status(esa)], [zip_derived_cl337])).
% 16.02/2.97  thf(clause319, conjecture,
% 16.02/2.97    (~( ( hskp68 ) | ( hskp35 ) | ( c2_1 @ U ) | ( c0_1 @ U ) | 
% 16.02/2.97        ( ~( ndr1_0 ) ) | ( ~( c1_1 @ U ) ) ))).
% 16.02/2.97  thf(zf_stmt_5, negated_conjecture,
% 16.02/2.97    (( hskp68 ) | ( hskp35 ) | ( c2_1 @ U ) | ( c0_1 @ U ) | ( ~( ndr1_0 ) ) | 
% 16.02/2.97     ( ~( c1_1 @ U ) )),
% 16.02/2.97    inference('cnf.neg', [status(esa)], [clause319])).
% 16.02/2.97  thf(zip_derived_cl318, plain,
% 16.02/2.97      (![X0 : $i]:
% 16.02/2.97         ( (hskp68)
% 16.02/2.97          |  (hskp35)
% 16.02/2.97          |  (c2_1 @ X0)
% 16.02/2.97          |  (c0_1 @ X0)
% 16.02/2.97          | ~ (ndr1_0)
% 16.02/2.97          | ~ (c1_1 @ X0))),
% 16.02/2.97      inference('cnf', [status(esa)], [zf_stmt_5])).
% 16.02/2.97  thf(zip_derived_cl1020, plain,
% 16.02/2.97      ((![X0 : $i]: ( (c0_1 @ X0) |  (c2_1 @ X0) | ~ (c1_1 @ X0)))
% 16.02/2.97         <= ((![X0 : $i]: ( (c0_1 @ X0) |  (c2_1 @ X0) | ~ (c1_1 @ X0))))),
% 16.02/2.97      inference('split', [status(esa)], [zip_derived_cl318])).
% 16.02/2.97  thf(clause91, conjecture, (~( ( c1_1 @ a1715 ) | ( ~( hskp72 ) ) ))).
% 16.02/2.97  thf(zf_stmt_6, negated_conjecture, (( c1_1 @ a1715 ) | ( ~( hskp72 ) )),
% 16.02/2.97    inference('cnf.neg', [status(esa)], [clause91])).
% 16.02/2.97  thf(zip_derived_cl90, plain, (( (c1_1 @ a1715) | ~ (hskp72))),
% 16.02/2.97      inference('cnf', [status(esa)], [zf_stmt_6])).
% 16.02/2.97  thf(zip_derived_cl552, plain, (( (c1_1 @ a1715)) <= (( (c1_1 @ a1715)))),
% 16.02/2.97      inference('split', [status(esa)], [zip_derived_cl90])).
% 16.02/2.97  thf(zip_derived_cl2504, plain,
% 16.02/2.97      ((( (c2_1 @ a1715) |  (c0_1 @ a1715)))
% 16.02/2.97         <= (( (c1_1 @ a1715)) & 
% 16.02/2.97             (![X0 : $i]: ( (c0_1 @ X0) |  (c2_1 @ X0) | ~ (c1_1 @ X0))))),
% 16.02/2.97      inference('s_sup+', [status(thm)],
% 16.02/2.97                [zip_derived_cl1020, zip_derived_cl552])).
% 16.02/2.97  thf('3', plain,
% 16.02/2.97      (~ (![X0 : $i]: ( (c0_1 @ X0) |  (c2_1 @ X0) | ~ (c1_1 @ X0))) | 
% 16.02/2.97       ( (c0_1 @ a1715)) | ( (c2_1 @ a1715)) | ~ ( (c1_1 @ a1715))),
% 16.02/2.97      inference('split', [status(esa)], [zip_derived_cl2504])).
% 16.02/2.97  thf(clause352, conjecture,
% 16.02/2.97    (~( ( hskp47 ) | ( c2_1 @ U ) | ( c3_1 @ U ) | ( ~( c3_1 @ V ) ) | 
% 16.02/2.97        ( ~( c0_1 @ V ) ) | ( ~( c1_1 @ V ) ) | ( ~( ndr1_0 ) ) | 
% 16.02/2.97        ( ~( c0_1 @ U ) ) ))).
% 16.02/2.97  thf(zf_stmt_7, negated_conjecture,
% 16.02/2.97    (( hskp47 ) | ( c2_1 @ U ) | ( c3_1 @ U ) | ( ~( c3_1 @ V ) ) | 
% 16.02/2.97     ( ~( c0_1 @ V ) ) | ( ~( c1_1 @ V ) ) | ( ~( ndr1_0 ) ) | 
% 16.02/2.97     ( ~( c0_1 @ U ) )),
% 16.02/2.97    inference('cnf.neg', [status(esa)], [clause352])).
% 16.02/2.97  thf(zip_derived_cl351, plain,
% 16.02/2.97      (![X0 : $i, X1 : $i]:
% 16.02/2.97         ( (hskp47)
% 16.02/2.97          |  (c2_1 @ X0)
% 16.02/2.97          |  (c3_1 @ X0)
% 16.02/2.97          | ~ (c3_1 @ X1)
% 16.02/2.97          | ~ (c0_1 @ X1)
% 16.02/2.97          | ~ (c1_1 @ X1)
% 16.02/2.97          | ~ (ndr1_0)
% 16.02/2.97          | ~ (c0_1 @ X0))),
% 16.02/2.97      inference('cnf', [status(esa)], [zf_stmt_7])).
% 16.02/2.97  thf(zip_derived_cl1152, plain,
% 16.02/2.97      ((![X1 : $i]: (~ (c1_1 @ X1) | ~ (c0_1 @ X1) | ~ (c3_1 @ X1)))
% 16.02/2.97         <= ((![X1 : $i]: (~ (c1_1 @ X1) | ~ (c0_1 @ X1) | ~ (c3_1 @ X1))))),
% 16.02/2.97      inference('split', [status(esa)], [zip_derived_cl351])).
% 16.02/2.97  thf(zip_derived_cl552, plain, (( (c1_1 @ a1715)) <= (( (c1_1 @ a1715)))),
% 16.02/2.97      inference('split', [status(esa)], [zip_derived_cl90])).
% 16.02/2.97  thf(zip_derived_cl1296, plain,
% 16.02/2.97      (((~ (c3_1 @ a1715) | ~ (c0_1 @ a1715)))
% 16.02/2.97         <= (( (c1_1 @ a1715)) & 
% 16.02/2.97             (![X1 : $i]: (~ (c1_1 @ X1) | ~ (c0_1 @ X1) | ~ (c3_1 @ X1))))),
% 16.02/2.97      inference('s_sup+', [status(thm)],
% 16.02/2.97                [zip_derived_cl1152, zip_derived_cl552])).
% 16.02/2.97  thf('4', plain,
% 16.02/2.97      (~ ( (c0_1 @ a1715)) | ~ ( (c1_1 @ a1715)) | 
% 16.02/2.97       ~ (![X1 : $i]: (~ (c1_1 @ X1) | ~ (c0_1 @ X1) | ~ (c3_1 @ X1))) | 
% 16.02/2.97       ~ ( (c3_1 @ a1715))),
% 16.02/2.97      inference('split', [status(esa)], [zip_derived_cl1296])).
% 16.02/2.97  thf(clause316, conjecture,
% 16.02/2.97    (~( ( hskp59 ) | ( hskp58 ) | ( c2_1 @ U ) | ( c1_1 @ U ) | 
% 16.02/2.97        ( ~( ndr1_0 ) ) | ( ~( c0_1 @ U ) ) ))).
% 16.02/2.97  thf(zf_stmt_8, negated_conjecture,
% 16.02/2.97    (( hskp59 ) | ( hskp58 ) | ( c2_1 @ U ) | ( c1_1 @ U ) | ( ~( ndr1_0 ) ) | 
% 16.02/2.97     ( ~( c0_1 @ U ) )),
% 16.02/2.97    inference('cnf.neg', [status(esa)], [clause316])).
% 16.02/2.97  thf(zip_derived_cl315, plain,
% 16.02/2.97      (![X0 : $i]:
% 16.02/2.97         ( (hskp59)
% 16.02/2.97          |  (hskp58)
% 16.02/2.97          |  (c2_1 @ X0)
% 16.02/2.97          |  (c1_1 @ X0)
% 16.02/2.97          | ~ (ndr1_0)
% 16.02/2.97          | ~ (c0_1 @ X0))),
% 16.02/2.97      inference('cnf', [status(esa)], [zf_stmt_8])).
% 16.02/2.97  thf(zip_derived_cl1008, plain,
% 16.02/2.97      ((![X0 : $i]: (~ (c0_1 @ X0) |  (c2_1 @ X0) |  (c1_1 @ X0)))
% 16.02/2.97         <= ((![X0 : $i]: (~ (c0_1 @ X0) |  (c2_1 @ X0) |  (c1_1 @ X0))))),
% 16.02/2.97      inference('split', [status(esa)], [zip_derived_cl315])).
% 16.02/2.97  thf(clause284, conjecture, (~( ( ~( hskp13 ) ) | ( ~( c1_1 @ a1667 ) ) ))).
% 16.02/2.97  thf(zf_stmt_9, negated_conjecture, (( ~( hskp13 ) ) | ( ~( c1_1 @ a1667 ) )),
% 16.02/2.97    inference('cnf.neg', [status(esa)], [clause284])).
% 16.02/2.97  thf(zip_derived_cl283, plain, ((~ (hskp13) | ~ (c1_1 @ a1667))),
% 16.02/2.97      inference('cnf', [status(esa)], [zf_stmt_9])).
% 16.02/2.97  thf(zip_derived_cl938, plain, ((~ (c1_1 @ a1667)) <= (~ ( (c1_1 @ a1667)))),
% 16.02/2.97      inference('split', [status(esa)], [zip_derived_cl283])).
% 16.02/2.97  thf(zip_derived_cl2119, plain,
% 16.02/2.97      ((( (c2_1 @ a1667) | ~ (c0_1 @ a1667)))
% 16.02/2.97         <= (~ ( (c1_1 @ a1667)) & 
% 16.02/2.97             (![X0 : $i]: (~ (c0_1 @ X0) |  (c2_1 @ X0) |  (c1_1 @ X0))))),
% 16.02/2.97      inference('s_sup-', [status(thm)],
% 16.02/2.97                [zip_derived_cl1008, zip_derived_cl938])).
% 16.02/2.97  thf('5', plain,
% 16.02/2.97      (~ (![X0 : $i]: (~ (c0_1 @ X0) |  (c2_1 @ X0) |  (c1_1 @ X0))) | 
% 16.02/2.97       ( (c2_1 @ a1667)) | ( (c1_1 @ a1667)) | ~ ( (c0_1 @ a1667))),
% 16.02/2.97      inference('split', [status(esa)], [zip_derived_cl2119])).
% 16.02/2.97  thf(zip_derived_cl9364, plain, (( (c2_1 @ a1667)) <= (( (c2_1 @ a1667)))),
% 16.02/2.97      inference('split', [status(esa)], [zip_derived_cl2119])).
% 16.02/2.97  thf(clause333, conjecture,
% 16.02/2.97    (~( ( hskp38 ) | ( hskp74 ) | ( ~( ndr1_0 ) ) | ( ~( c0_1 @ U ) ) | 
% 16.02/2.97        ( ~( c2_1 @ U ) ) | ( ~( c3_1 @ U ) ) ))).
% 16.02/2.97  thf(zf_stmt_10, negated_conjecture,
% 16.02/2.97    (( hskp38 ) | ( hskp74 ) | ( ~( ndr1_0 ) ) | ( ~( c0_1 @ U ) ) | 
% 16.02/2.97     ( ~( c2_1 @ U ) ) | ( ~( c3_1 @ U ) )),
% 16.02/2.97    inference('cnf.neg', [status(esa)], [clause333])).
% 16.02/2.97  thf(zip_derived_cl332, plain,
% 16.02/2.97      (![X0 : $i]:
% 16.02/2.97         ( (hskp38)
% 16.02/2.97          |  (hskp74)
% 16.02/2.97          | ~ (ndr1_0)
% 16.02/2.97          | ~ (c0_1 @ X0)
% 16.02/2.97          | ~ (c2_1 @ X0)
% 16.02/2.97          | ~ (c3_1 @ X0))),
% 16.02/2.97      inference('cnf', [status(esa)], [zf_stmt_10])).
% 16.02/2.97  thf(zip_derived_cl1076, plain,
% 16.02/2.97      ((![X0 : $i]: (~ (c0_1 @ X0) | ~ (c3_1 @ X0) | ~ (c2_1 @ X0)))
% 16.02/2.97         <= ((![X0 : $i]: (~ (c0_1 @ X0) | ~ (c3_1 @ X0) | ~ (c2_1 @ X0))))),
% 16.02/2.97      inference('split', [status(esa)], [zip_derived_cl332])).
% 16.02/2.97  thf(zip_derived_cl9367, plain,
% 16.02/2.97      (((~ (c0_1 @ a1667) | ~ (c3_1 @ a1667)))
% 16.02/2.97         <= ((![X0 : $i]: (~ (c0_1 @ X0) | ~ (c3_1 @ X0) | ~ (c2_1 @ X0))) & 
% 16.02/2.97             ( (c2_1 @ a1667)))),
% 16.02/2.97      inference('s_sup-', [status(thm)],
% 16.02/2.97                [zip_derived_cl9364, zip_derived_cl1076])).
% 16.02/2.97  thf('6', plain,
% 16.02/2.97      (~ ( (c2_1 @ a1667)) | 
% 16.02/2.97       ~ (![X0 : $i]: (~ (c0_1 @ X0) | ~ (c3_1 @ X0) | ~ (c2_1 @ X0))) | 
% 16.02/2.97       ~ ( (c0_1 @ a1667)) | ~ ( (c3_1 @ a1667))),
% 16.02/2.97      inference('split', [status(esa)], [zip_derived_cl9367])).
% 16.02/2.97  thf(clause350, conjecture,
% 16.02/2.97    (~( ( hskp34 ) | ( c2_1 @ V ) | ( c1_1 @ U ) | ( ~( c3_1 @ V ) ) | 
% 16.02/2.97        ( ~( c1_1 @ V ) ) | ( ~( ndr1_0 ) ) | ( ~( c2_1 @ U ) ) | 
% 16.02/2.97        ( ~( c0_1 @ U ) ) ))).
% 16.02/2.97  thf(zf_stmt_11, negated_conjecture,
% 16.02/2.97    (( hskp34 ) | ( c2_1 @ V ) | ( c1_1 @ U ) | ( ~( c3_1 @ V ) ) | 
% 16.02/2.97     ( ~( c1_1 @ V ) ) | ( ~( ndr1_0 ) ) | ( ~( c2_1 @ U ) ) | 
% 16.02/2.97     ( ~( c0_1 @ U ) )),
% 16.02/2.97    inference('cnf.neg', [status(esa)], [clause350])).
% 16.02/2.97  thf(zip_derived_cl349, plain,
% 16.02/2.97      (![X0 : $i, X1 : $i]:
% 16.02/2.97         ( (hskp34)
% 16.02/2.97          |  (c2_1 @ X0)
% 16.02/2.97          |  (c1_1 @ X1)
% 16.02/2.97          | ~ (c3_1 @ X0)
% 16.02/2.97          | ~ (c1_1 @ X0)
% 16.02/2.97          | ~ (ndr1_0)
% 16.02/2.97          | ~ (c2_1 @ X1)
% 16.02/2.97          | ~ (c0_1 @ X1))),
% 16.02/2.97      inference('cnf', [status(esa)], [zf_stmt_11])).
% 16.02/2.97  thf(zip_derived_cl1145, plain,
% 16.02/2.97      ((![X0 : $i]: (~ (c3_1 @ X0) |  (c2_1 @ X0) | ~ (c1_1 @ X0)))
% 16.02/2.97         <= ((![X0 : $i]: (~ (c3_1 @ X0) |  (c2_1 @ X0) | ~ (c1_1 @ X0))))),
% 16.02/2.97      inference('split', [status(esa)], [zip_derived_cl349])).
% 16.02/2.97  thf(clause184, conjecture, (~( ( c1_1 @ a1637 ) | ( ~( hskp0 ) ) ))).
% 16.02/2.97  thf(zf_stmt_12, negated_conjecture, (( c1_1 @ a1637 ) | ( ~( hskp0 ) )),
% 16.02/2.97    inference('cnf.neg', [status(esa)], [clause184])).
% 16.02/2.97  thf(zip_derived_cl183, plain, (( (c1_1 @ a1637) | ~ (hskp0))),
% 16.02/2.97      inference('cnf', [status(esa)], [zf_stmt_12])).
% 16.02/2.97  thf(zip_derived_cl738, plain, (( (c1_1 @ a1637)) <= (( (c1_1 @ a1637)))),
% 16.02/2.97      inference('split', [status(esa)], [zip_derived_cl183])).
% 16.02/2.97  thf(zip_derived_cl2056, plain,
% 16.02/2.97      ((( (c2_1 @ a1637) | ~ (c3_1 @ a1637)))
% 16.02/2.97         <= (( (c1_1 @ a1637)) & 
% 16.02/2.97             (![X0 : $i]: (~ (c3_1 @ X0) |  (c2_1 @ X0) | ~ (c1_1 @ X0))))),
% 16.02/2.97      inference('s_sup+', [status(thm)],
% 16.02/2.97                [zip_derived_cl1145, zip_derived_cl738])).
% 16.02/2.97  thf('7', plain,
% 16.02/2.97      (~ ( (c3_1 @ a1637)) | 
% 16.02/2.97       ~ (![X0 : $i]: (~ (c3_1 @ X0) |  (c2_1 @ X0) | ~ (c1_1 @ X0))) | 
% 16.02/2.97       ( (c2_1 @ a1637)) | ~ ( (c1_1 @ a1637))),
% 16.02/2.97      inference('split', [status(esa)], [zip_derived_cl2056])).
% 16.02/2.97  thf(clause329, conjecture,
% 16.02/2.97    (~( ( hskp20 ) | ( hskp19 ) | ( c3_1 @ U ) | ( ~( ndr1_0 ) ) | 
% 16.02/2.97        ( ~( c1_1 @ U ) ) | ( ~( c0_1 @ U ) ) ))).
% 16.02/2.97  thf(zf_stmt_13, negated_conjecture,
% 16.02/2.97    (( hskp20 ) | ( hskp19 ) | ( c3_1 @ U ) | ( ~( ndr1_0 ) ) | 
% 16.02/2.97     ( ~( c1_1 @ U ) ) | ( ~( c0_1 @ U ) )),
% 16.02/2.97    inference('cnf.neg', [status(esa)], [clause329])).
% 16.02/2.97  thf(zip_derived_cl328, plain,
% 16.02/2.97      (![X0 : $i]:
% 16.02/2.97         ( (hskp20)
% 16.02/2.97          |  (hskp19)
% 16.02/2.97          |  (c3_1 @ X0)
% 16.02/2.97          | ~ (ndr1_0)
% 16.02/2.97          | ~ (c1_1 @ X0)
% 16.02/2.97          | ~ (c0_1 @ X0))),
% 16.02/2.97      inference('cnf', [status(esa)], [zf_stmt_13])).
% 16.02/2.97  thf(zip_derived_cl1060, plain,
% 16.02/2.97      ((![X0 : $i]: (~ (c0_1 @ X0) |  (c3_1 @ X0) | ~ (c1_1 @ X0)))
% 16.02/2.97         <= ((![X0 : $i]: (~ (c0_1 @ X0) |  (c3_1 @ X0) | ~ (c1_1 @ X0))))),
% 16.02/2.97      inference('split', [status(esa)], [zip_derived_cl328])).
% 16.02/2.97  thf(zip_derived_cl738, plain, (( (c1_1 @ a1637)) <= (( (c1_1 @ a1637)))),
% 16.02/2.97      inference('split', [status(esa)], [zip_derived_cl183])).
% 16.02/2.97  thf(zip_derived_cl1811, plain,
% 16.02/2.97      ((( (c3_1 @ a1637) | ~ (c0_1 @ a1637)))
% 16.02/2.97         <= (( (c1_1 @ a1637)) & 
% 16.02/2.97             (![X0 : $i]: (~ (c0_1 @ X0) |  (c3_1 @ X0) | ~ (c1_1 @ X0))))),
% 16.02/2.97      inference('s_sup+', [status(thm)],
% 16.02/2.97                [zip_derived_cl1060, zip_derived_cl738])).
% 16.02/2.97  thf('8', plain,
% 16.02/2.97      (( (c3_1 @ a1637)) | 
% 16.02/2.97       ~ (![X0 : $i]: (~ (c0_1 @ X0) |  (c3_1 @ X0) | ~ (c1_1 @ X0))) | 
% 16.02/2.97       ~ ( (c1_1 @ a1637)) | ~ ( (c0_1 @ a1637))),
% 16.02/2.97      inference('split', [status(esa)], [zip_derived_cl1811])).
% 16.02/2.97  thf(zip_derived_cl1060, plain,
% 16.02/2.97      ((![X0 : $i]: (~ (c0_1 @ X0) |  (c3_1 @ X0) | ~ (c1_1 @ X0)))
% 16.02/2.97         <= ((![X0 : $i]: (~ (c0_1 @ X0) |  (c3_1 @ X0) | ~ (c1_1 @ X0))))),
% 16.02/2.97      inference('split', [status(esa)], [zip_derived_cl328])).
% 16.02/2.97  thf(clause144, conjecture, (~( ( c1_1 @ a1638 ) | ( ~( hskp42 ) ) ))).
% 16.02/2.97  thf(zf_stmt_14, negated_conjecture, (( c1_1 @ a1638 ) | ( ~( hskp42 ) )),
% 16.02/2.97    inference('cnf.neg', [status(esa)], [clause144])).
% 16.02/2.97  thf(zip_derived_cl143, plain, (( (c1_1 @ a1638) | ~ (hskp42))),
% 16.02/2.97      inference('cnf', [status(esa)], [zf_stmt_14])).
% 16.02/2.97  thf(zip_derived_cl658, plain, (( (c1_1 @ a1638)) <= (( (c1_1 @ a1638)))),
% 16.02/2.97      inference('split', [status(esa)], [zip_derived_cl143])).
% 16.02/2.97  thf(zip_derived_cl1805, plain,
% 16.02/2.97      ((( (c3_1 @ a1638) | ~ (c0_1 @ a1638)))
% 16.02/2.97         <= (( (c1_1 @ a1638)) & 
% 16.02/2.97             (![X0 : $i]: (~ (c0_1 @ X0) |  (c3_1 @ X0) | ~ (c1_1 @ X0))))),
% 16.02/2.97      inference('s_sup+', [status(thm)],
% 16.02/2.97                [zip_derived_cl1060, zip_derived_cl658])).
% 16.02/2.97  thf('9', plain,
% 16.02/2.97      (~ ( (c1_1 @ a1638)) | ~ ( (c0_1 @ a1638)) | 
% 16.02/2.97       ~ (![X0 : $i]: (~ (c0_1 @ X0) |  (c3_1 @ X0) | ~ (c1_1 @ X0))) | 
% 16.02/2.97       ( (c3_1 @ a1638))),
% 16.02/2.97      inference('split', [status(esa)], [zip_derived_cl1805])).
% 16.02/2.97  thf('10', plain,
% 16.02/2.97      ((![X0 : $i]: (~ (c0_1 @ X0) |  (c3_1 @ X0) | ~ (c1_1 @ X0))) | 
% 16.02/2.97       ( (hskp20)) | ( (hskp19)) | ~ ( (ndr1_0))),
% 16.02/2.97      inference('split', [status(esa)], [zip_derived_cl328])).
% 16.02/2.97  thf(clause266, conjecture, (~( ( ~( hskp20 ) ) | ( ~( c2_1 @ a1682 ) ) ))).
% 16.02/2.97  thf(zf_stmt_15, negated_conjecture,
% 16.02/2.97    (( ~( hskp20 ) ) | ( ~( c2_1 @ a1682 ) )),
% 16.02/2.97    inference('cnf.neg', [status(esa)], [clause266])).
% 16.02/2.97  thf(zip_derived_cl265, plain, ((~ (hskp20) | ~ (c2_1 @ a1682))),
% 16.02/2.97      inference('cnf', [status(esa)], [zf_stmt_15])).
% 16.02/2.97  thf('11', plain, (~ ( (hskp20)) | ~ ( (c2_1 @ a1682))),
% 16.02/2.97      inference('split', [status(esa)], [zip_derived_cl265])).
% 16.02/2.97  thf(clause267, conjecture, (~( ( ~( hskp20 ) ) | ( ~( c1_1 @ a1682 ) ) ))).
% 16.02/2.97  thf(zf_stmt_16, negated_conjecture,
% 16.02/2.97    (( ~( hskp20 ) ) | ( ~( c1_1 @ a1682 ) )),
% 16.02/2.97    inference('cnf.neg', [status(esa)], [clause267])).
% 16.02/2.97  thf(zip_derived_cl266, plain, ((~ (hskp20) | ~ (c1_1 @ a1682))),
% 16.02/2.97      inference('cnf', [status(esa)], [zf_stmt_16])).
% 16.02/2.97  thf('12', plain, (~ ( (c1_1 @ a1682)) | ~ ( (hskp20))),
% 16.02/2.97      inference('split', [status(esa)], [zip_derived_cl266])).
% 16.02/2.97  thf(clause268, conjecture, (~( ( ~( hskp20 ) ) | ( ~( c3_1 @ a1682 ) ) ))).
% 16.02/2.97  thf(zf_stmt_17, negated_conjecture,
% 16.02/2.97    (( ~( hskp20 ) ) | ( ~( c3_1 @ a1682 ) )),
% 16.02/2.97    inference('cnf.neg', [status(esa)], [clause268])).
% 16.02/2.97  thf(zip_derived_cl267, plain, ((~ (hskp20) | ~ (c3_1 @ a1682))),
% 16.02/2.97      inference('cnf', [status(esa)], [zf_stmt_17])).
% 16.02/2.97  thf('13', plain, (~ ( (c3_1 @ a1682)) | ~ ( (hskp20))),
% 16.02/2.97      inference('split', [status(esa)], [zip_derived_cl267])).
% 16.02/2.97  thf(zip_derived_cl1182, plain,
% 16.02/2.97      ((![X0 : $i]: ( (c3_1 @ X0) |  (c2_1 @ X0) |  (c1_1 @ X0)))
% 16.02/2.97         <= ((![X0 : $i]: ( (c3_1 @ X0) |  (c2_1 @ X0) |  (c1_1 @ X0))))),
% 16.02/2.97      inference('split', [status(esa)], [zip_derived_cl358])).
% 16.02/2.97  thf(zip_derived_cl904, plain, ((~ (c1_1 @ a1682)) <= (~ ( (c1_1 @ a1682)))),
% 16.02/2.97      inference('split', [status(esa)], [zip_derived_cl266])).
% 16.02/2.97  thf(zip_derived_cl3249, plain,
% 16.02/2.97      ((( (c2_1 @ a1682) |  (c3_1 @ a1682)))
% 16.02/2.97         <= (~ ( (c1_1 @ a1682)) & 
% 16.02/2.97             (![X0 : $i]: ( (c3_1 @ X0) |  (c2_1 @ X0) |  (c1_1 @ X0))))),
% 16.02/2.97      inference('s_sup-', [status(thm)],
% 16.02/2.97                [zip_derived_cl1182, zip_derived_cl904])).
% 16.02/2.97  thf('14', plain,
% 16.02/2.97      (( (c2_1 @ a1682)) | ( (c1_1 @ a1682)) | 
% 16.02/2.97       ~ (![X0 : $i]: ( (c3_1 @ X0) |  (c2_1 @ X0) |  (c1_1 @ X0))) | 
% 16.02/2.97       ( (c3_1 @ a1682))),
% 16.02/2.97      inference('split', [status(esa)], [zip_derived_cl3249])).
% 16.02/2.97  thf(clause269, conjecture, (~( ( ~( hskp19 ) ) | ( ~( c1_1 @ a1681 ) ) ))).
% 16.02/2.97  thf(zf_stmt_18, negated_conjecture,
% 16.02/2.97    (( ~( hskp19 ) ) | ( ~( c1_1 @ a1681 ) )),
% 16.02/2.97    inference('cnf.neg', [status(esa)], [clause269])).
% 16.02/2.97  thf(zip_derived_cl268, plain, ((~ (hskp19) | ~ (c1_1 @ a1681))),
% 16.02/2.97      inference('cnf', [status(esa)], [zf_stmt_18])).
% 16.02/2.97  thf('15', plain, (~ ( (c1_1 @ a1681)) | ~ ( (hskp19))),
% 16.02/2.97      inference('split', [status(esa)], [zip_derived_cl268])).
% 16.02/2.97  thf(clause270, conjecture, (~( ( ~( hskp19 ) ) | ( ~( c3_1 @ a1681 ) ) ))).
% 16.02/2.97  thf(zf_stmt_19, negated_conjecture,
% 16.02/2.97    (( ~( hskp19 ) ) | ( ~( c3_1 @ a1681 ) )),
% 16.02/2.97    inference('cnf.neg', [status(esa)], [clause270])).
% 16.02/2.97  thf(zip_derived_cl269, plain, ((~ (hskp19) | ~ (c3_1 @ a1681))),
% 16.02/2.97      inference('cnf', [status(esa)], [zf_stmt_19])).
% 16.02/2.97  thf('16', plain, (~ ( (c3_1 @ a1681)) | ~ ( (hskp19))),
% 16.02/2.97      inference('split', [status(esa)], [zip_derived_cl269])).
% 16.02/2.97  thf(clause271, conjecture, (~( ( ~( hskp19 ) ) | ( ~( c2_1 @ a1681 ) ) ))).
% 16.02/2.97  thf(zf_stmt_20, negated_conjecture,
% 16.02/2.97    (( ~( hskp19 ) ) | ( ~( c2_1 @ a1681 ) )),
% 16.02/2.97    inference('cnf.neg', [status(esa)], [clause271])).
% 16.02/2.97  thf(zip_derived_cl270, plain, ((~ (hskp19) | ~ (c2_1 @ a1681))),
% 16.02/2.97      inference('cnf', [status(esa)], [zf_stmt_20])).
% 16.02/2.97  thf('17', plain, (~ ( (c2_1 @ a1681)) | ~ ( (hskp19))),
% 16.02/2.97      inference('split', [status(esa)], [zip_derived_cl270])).
% 16.02/2.97  thf(zip_derived_cl1182, plain,
% 16.02/2.97      ((![X0 : $i]: ( (c3_1 @ X0) |  (c2_1 @ X0) |  (c1_1 @ X0)))
% 16.02/2.97         <= ((![X0 : $i]: ( (c3_1 @ X0) |  (c2_1 @ X0) |  (c1_1 @ X0))))),
% 16.02/2.97      inference('split', [status(esa)], [zip_derived_cl358])).
% 16.02/2.97  thf(zip_derived_cl908, plain, ((~ (c1_1 @ a1681)) <= (~ ( (c1_1 @ a1681)))),
% 16.02/2.97      inference('split', [status(esa)], [zip_derived_cl268])).
% 16.02/2.97  thf(zip_derived_cl3250, plain,
% 16.02/2.97      ((( (c2_1 @ a1681) |  (c3_1 @ a1681)))
% 16.02/2.97         <= (~ ( (c1_1 @ a1681)) & 
% 16.02/2.97             (![X0 : $i]: ( (c3_1 @ X0) |  (c2_1 @ X0) |  (c1_1 @ X0))))),
% 16.02/2.97      inference('s_sup-', [status(thm)],
% 16.02/2.97                [zip_derived_cl1182, zip_derived_cl908])).
% 16.02/2.97  thf('18', plain,
% 16.02/2.97      (( (c1_1 @ a1681)) | ( (c3_1 @ a1681)) | 
% 16.02/2.97       ~ (![X0 : $i]: ( (c3_1 @ X0) |  (c2_1 @ X0) |  (c1_1 @ X0))) | 
% 16.02/2.97       ( (c2_1 @ a1681))),
% 16.02/2.97      inference('split', [status(esa)], [zip_derived_cl3250])).
% 16.02/2.97  thf(clause342, conjecture,
% 16.02/2.97    (~( ( hskp57 ) | ( c3_1 @ V ) | ( c1_1 @ V ) | ( c3_1 @ U ) | 
% 16.02/2.97        ( c2_1 @ U ) | ( ~( c2_1 @ V ) ) | ( ~( ndr1_0 ) ) | ( ~( c0_1 @ U ) ) ))).
% 16.02/2.97  thf(zf_stmt_21, negated_conjecture,
% 16.02/2.97    (( hskp57 ) | ( c3_1 @ V ) | ( c1_1 @ V ) | ( c3_1 @ U ) | ( c2_1 @ U ) | 
% 16.02/2.97     ( ~( c2_1 @ V ) ) | ( ~( ndr1_0 ) ) | ( ~( c0_1 @ U ) )),
% 16.02/2.97    inference('cnf.neg', [status(esa)], [clause342])).
% 16.02/2.97  thf(zip_derived_cl341, plain,
% 16.02/2.97      (![X0 : $i, X1 : $i]:
% 16.02/2.97         ( (hskp57)
% 16.02/2.97          |  (c3_1 @ X0)
% 16.02/2.97          |  (c1_1 @ X0)
% 16.02/2.97          |  (c3_1 @ X1)
% 16.02/2.97          |  (c2_1 @ X1)
% 16.02/2.97          | ~ (c2_1 @ X0)
% 16.02/2.97          | ~ (ndr1_0)
% 16.02/2.97          | ~ (c0_1 @ X1))),
% 16.02/2.97      inference('cnf', [status(esa)], [zf_stmt_21])).
% 16.02/2.97  thf('19', plain,
% 16.02/2.97      (( (hskp57)) | 
% 16.02/2.97       (![X1 : $i]: ( (c2_1 @ X1) | ~ (c0_1 @ X1) |  (c3_1 @ X1))) | 
% 16.02/2.97       ~ ( (ndr1_0)) | 
% 16.02/2.97       (![X0 : $i]: ( (c3_1 @ X0) | ~ (c2_1 @ X0) |  (c1_1 @ X0)))),
% 16.02/2.97      inference('split', [status(esa)], [zip_derived_cl341])).
% 16.02/2.97  thf(clause315, conjecture,
% 16.02/2.97    (~( ( hskp5 ) | ( hskp4 ) | ( c0_1 @ U ) | ( c1_1 @ U ) | 
% 16.02/2.97        ( ~( ndr1_0 ) ) | ( ~( c3_1 @ U ) ) ))).
% 16.02/2.97  thf(zf_stmt_22, negated_conjecture,
% 16.02/2.97    (( hskp5 ) | ( hskp4 ) | ( c0_1 @ U ) | ( c1_1 @ U ) | ( ~( ndr1_0 ) ) | 
% 16.02/2.97     ( ~( c3_1 @ U ) )),
% 16.02/2.97    inference('cnf.neg', [status(esa)], [clause315])).
% 16.02/2.97  thf(zip_derived_cl314, plain,
% 16.02/2.97      (![X0 : $i]:
% 16.02/2.97         ( (hskp5)
% 16.02/2.97          |  (hskp4)
% 16.02/2.97          |  (c0_1 @ X0)
% 16.02/2.97          |  (c1_1 @ X0)
% 16.02/2.97          | ~ (ndr1_0)
% 16.02/2.97          | ~ (c3_1 @ X0))),
% 16.02/2.97      inference('cnf', [status(esa)], [zf_stmt_22])).
% 16.02/2.97  thf(zip_derived_cl1004, plain,
% 16.02/2.97      ((![X0 : $i]: ( (c0_1 @ X0) | ~ (c3_1 @ X0) |  (c1_1 @ X0)))
% 16.02/2.97         <= ((![X0 : $i]: ( (c0_1 @ X0) | ~ (c3_1 @ X0) |  (c1_1 @ X0))))),
% 16.02/2.97      inference('split', [status(esa)], [zip_derived_cl314])).
% 16.02/2.97  thf(clause280, conjecture, (~( ( ~( hskp16 ) ) | ( ~( c1_1 @ a1677 ) ) ))).
% 16.02/2.97  thf(zf_stmt_23, negated_conjecture,
% 16.02/2.97    (( ~( hskp16 ) ) | ( ~( c1_1 @ a1677 ) )),
% 16.02/2.97    inference('cnf.neg', [status(esa)], [clause280])).
% 16.02/2.97  thf(zip_derived_cl279, plain, ((~ (hskp16) | ~ (c1_1 @ a1677))),
% 16.02/2.97      inference('cnf', [status(esa)], [zf_stmt_23])).
% 16.02/2.97  thf(zip_derived_cl930, plain, ((~ (c1_1 @ a1677)) <= (~ ( (c1_1 @ a1677)))),
% 16.02/2.97      inference('split', [status(esa)], [zip_derived_cl279])).
% 16.02/2.97  thf(zip_derived_cl2019, plain,
% 16.02/2.97      (((~ (c3_1 @ a1677) |  (c0_1 @ a1677)))
% 16.02/2.97         <= (~ ( (c1_1 @ a1677)) & 
% 16.02/2.97             (![X0 : $i]: ( (c0_1 @ X0) | ~ (c3_1 @ X0) |  (c1_1 @ X0))))),
% 16.02/2.97      inference('s_sup-', [status(thm)],
% 16.02/2.97                [zip_derived_cl1004, zip_derived_cl930])).
% 16.02/2.97  thf('20', plain,
% 16.02/2.97      (~ ( (c3_1 @ a1677)) | ( (c0_1 @ a1677)) | 
% 16.02/2.97       ~ (![X0 : $i]: ( (c0_1 @ X0) | ~ (c3_1 @ X0) |  (c1_1 @ X0))) | 
% 16.02/2.97       ( (c1_1 @ a1677))),
% 16.02/2.97      inference('split', [status(esa)], [zip_derived_cl2019])).
% 16.02/2.97  thf(zip_derived_cl1004, plain,
% 16.02/2.97      ((![X0 : $i]: ( (c0_1 @ X0) | ~ (c3_1 @ X0) |  (c1_1 @ X0)))
% 16.02/2.97         <= ((![X0 : $i]: ( (c0_1 @ X0) | ~ (c3_1 @ X0) |  (c1_1 @ X0))))),
% 16.02/2.97      inference('split', [status(esa)], [zip_derived_cl314])).
% 16.02/2.97  thf(clause276, conjecture, (~( ( ~( hskp17 ) ) | ( ~( c1_1 @ a1678 ) ) ))).
% 16.02/2.97  thf(zf_stmt_24, negated_conjecture,
% 16.02/2.97    (( ~( hskp17 ) ) | ( ~( c1_1 @ a1678 ) )),
% 16.02/2.97    inference('cnf.neg', [status(esa)], [clause276])).
% 16.02/2.97  thf(zip_derived_cl275, plain, ((~ (hskp17) | ~ (c1_1 @ a1678))),
% 16.02/2.97      inference('cnf', [status(esa)], [zf_stmt_24])).
% 16.02/2.97  thf(zip_derived_cl922, plain, ((~ (c1_1 @ a1678)) <= (~ ( (c1_1 @ a1678)))),
% 16.02/2.97      inference('split', [status(esa)], [zip_derived_cl275])).
% 16.02/2.97  thf(zip_derived_cl2018, plain,
% 16.02/2.97      (((~ (c3_1 @ a1678) |  (c0_1 @ a1678)))
% 16.02/2.97         <= (~ ( (c1_1 @ a1678)) & 
% 16.02/2.97             (![X0 : $i]: ( (c0_1 @ X0) | ~ (c3_1 @ X0) |  (c1_1 @ X0))))),
% 16.02/2.97      inference('s_sup-', [status(thm)],
% 16.02/2.97                [zip_derived_cl1004, zip_derived_cl922])).
% 16.02/2.97  thf('21', plain,
% 16.02/2.97      (~ ( (c3_1 @ a1678)) | ( (c0_1 @ a1678)) | 
% 16.02/2.97       ~ (![X0 : $i]: ( (c0_1 @ X0) | ~ (c3_1 @ X0) |  (c1_1 @ X0))) | 
% 16.02/2.97       ( (c1_1 @ a1678))),
% 16.02/2.97      inference('split', [status(esa)], [zip_derived_cl2018])).
% 16.02/2.97  thf(clause313, conjecture,
% 16.02/2.97    (~( ( hskp10 ) | ( hskp56 ) | ( c0_1 @ U ) | ( c3_1 @ U ) | ( c2_1 @ U ) | 
% 16.02/2.97        ( ~( ndr1_0 ) ) ))).
% 16.02/2.97  thf(zf_stmt_25, negated_conjecture,
% 16.02/2.97    (( hskp10 ) | ( hskp56 ) | ( c0_1 @ U ) | ( c3_1 @ U ) | ( c2_1 @ U ) | 
% 16.02/2.97     ( ~( ndr1_0 ) )),
% 16.02/2.97    inference('cnf.neg', [status(esa)], [clause313])).
% 16.02/2.97  thf(zip_derived_cl312, plain,
% 16.02/2.97      (![X0 : $i]:
% 16.02/2.97         ( (hskp10)
% 16.02/2.97          |  (hskp56)
% 16.02/2.97          |  (c0_1 @ X0)
% 16.02/2.97          |  (c3_1 @ X0)
% 16.02/2.97          |  (c2_1 @ X0)
% 16.02/2.97          | ~ (ndr1_0))),
% 16.02/2.97      inference('cnf', [status(esa)], [zf_stmt_25])).
% 16.02/2.97  thf(zip_derived_cl996, plain,
% 16.02/2.97      ((![X0 : $i]: ( (c0_1 @ X0) |  (c3_1 @ X0) |  (c2_1 @ X0)))
% 16.02/2.97         <= ((![X0 : $i]: ( (c0_1 @ X0) |  (c3_1 @ X0) |  (c2_1 @ X0))))),
% 16.02/2.97      inference('split', [status(esa)], [zip_derived_cl312])).
% 16.02/2.97  thf(clause277, conjecture, (~( ( ~( hskp17 ) ) | ( ~( c2_1 @ a1678 ) ) ))).
% 16.02/2.97  thf(zf_stmt_26, negated_conjecture,
% 16.02/2.97    (( ~( hskp17 ) ) | ( ~( c2_1 @ a1678 ) )),
% 16.02/2.97    inference('cnf.neg', [status(esa)], [clause277])).
% 16.02/2.97  thf(zip_derived_cl276, plain, ((~ (hskp17) | ~ (c2_1 @ a1678))),
% 16.02/2.97      inference('cnf', [status(esa)], [zf_stmt_26])).
% 16.02/2.97  thf(zip_derived_cl924, plain, ((~ (c2_1 @ a1678)) <= (~ ( (c2_1 @ a1678)))),
% 16.02/2.97      inference('split', [status(esa)], [zip_derived_cl276])).
% 16.02/2.97  thf(zip_derived_cl1745, plain,
% 16.02/2.97      ((( (c3_1 @ a1678) |  (c0_1 @ a1678)))
% 16.02/2.97         <= (~ ( (c2_1 @ a1678)) & 
% 16.02/2.97             (![X0 : $i]: ( (c0_1 @ X0) |  (c3_1 @ X0) |  (c2_1 @ X0))))),
% 16.02/2.97      inference('s_sup-', [status(thm)], [zip_derived_cl996, zip_derived_cl924])).
% 16.02/2.97  thf('22', plain,
% 16.02/2.97      (( (c3_1 @ a1678)) | ( (c0_1 @ a1678)) | 
% 16.02/2.97       ~ (![X0 : $i]: ( (c0_1 @ X0) |  (c3_1 @ X0) |  (c2_1 @ X0))) | 
% 16.02/2.97       ( (c2_1 @ a1678))),
% 16.02/2.97      inference('split', [status(esa)], [zip_derived_cl1745])).
% 16.02/2.97  thf(zip_derived_cl996, plain,
% 16.02/2.97      ((![X0 : $i]: ( (c0_1 @ X0) |  (c3_1 @ X0) |  (c2_1 @ X0)))
% 16.02/2.97         <= ((![X0 : $i]: ( (c0_1 @ X0) |  (c3_1 @ X0) |  (c2_1 @ X0))))),
% 16.02/2.97      inference('split', [status(esa)], [zip_derived_cl312])).
% 16.02/2.97  thf(clause279, conjecture, (~( ( ~( hskp16 ) ) | ( ~( c2_1 @ a1677 ) ) ))).
% 16.02/2.97  thf(zf_stmt_27, negated_conjecture,
% 16.02/2.97    (( ~( hskp16 ) ) | ( ~( c2_1 @ a1677 ) )),
% 16.02/2.97    inference('cnf.neg', [status(esa)], [clause279])).
% 16.02/2.97  thf(zip_derived_cl278, plain, ((~ (hskp16) | ~ (c2_1 @ a1677))),
% 16.02/2.97      inference('cnf', [status(esa)], [zf_stmt_27])).
% 16.02/2.97  thf(zip_derived_cl928, plain, ((~ (c2_1 @ a1677)) <= (~ ( (c2_1 @ a1677)))),
% 16.02/2.97      inference('split', [status(esa)], [zip_derived_cl278])).
% 16.02/2.97  thf(zip_derived_cl1746, plain,
% 16.02/2.97      ((( (c3_1 @ a1677) |  (c0_1 @ a1677)))
% 16.02/2.97         <= (~ ( (c2_1 @ a1677)) & 
% 16.02/2.97             (![X0 : $i]: ( (c0_1 @ X0) |  (c3_1 @ X0) |  (c2_1 @ X0))))),
% 16.02/2.97      inference('s_sup-', [status(thm)], [zip_derived_cl996, zip_derived_cl928])).
% 16.02/2.97  thf('23', plain,
% 16.02/2.97      (( (c0_1 @ a1677)) | ( (c3_1 @ a1677)) | 
% 16.02/2.97       ~ (![X0 : $i]: ( (c0_1 @ X0) |  (c3_1 @ X0) |  (c2_1 @ X0))) | 
% 16.02/2.97       ( (c2_1 @ a1677))),
% 16.02/2.97      inference('split', [status(esa)], [zip_derived_cl1746])).
% 16.02/2.97  thf(zip_derived_cl996, plain,
% 16.02/2.97      ((![X0 : $i]: ( (c0_1 @ X0) |  (c3_1 @ X0) |  (c2_1 @ X0)))
% 16.02/2.97         <= ((![X0 : $i]: ( (c0_1 @ X0) |  (c3_1 @ X0) |  (c2_1 @ X0))))),
% 16.02/2.97      inference('split', [status(esa)], [zip_derived_cl312])).
% 16.02/2.97  thf(clause299, conjecture, (~( ( ~( hskp6 ) ) | ( ~( c2_1 @ a1650 ) ) ))).
% 16.02/2.97  thf(zf_stmt_28, negated_conjecture, (( ~( hskp6 ) ) | ( ~( c2_1 @ a1650 ) )),
% 16.02/2.97    inference('cnf.neg', [status(esa)], [clause299])).
% 16.02/2.97  thf(zip_derived_cl298, plain, ((~ (hskp6) | ~ (c2_1 @ a1650))),
% 16.02/2.97      inference('cnf', [status(esa)], [zf_stmt_28])).
% 16.02/2.97  thf(zip_derived_cl968, plain, ((~ (c2_1 @ a1650)) <= (~ ( (c2_1 @ a1650)))),
% 16.02/2.97      inference('split', [status(esa)], [zip_derived_cl298])).
% 16.02/2.97  thf(zip_derived_cl1749, plain,
% 16.02/2.97      ((( (c3_1 @ a1650) |  (c0_1 @ a1650)))
% 16.02/2.97         <= (~ ( (c2_1 @ a1650)) & 
% 16.02/2.97             (![X0 : $i]: ( (c0_1 @ X0) |  (c3_1 @ X0) |  (c2_1 @ X0))))),
% 16.02/2.97      inference('s_sup-', [status(thm)], [zip_derived_cl996, zip_derived_cl968])).
% 16.02/2.97  thf('24', plain,
% 16.02/2.97      (( (c0_1 @ a1650)) | ( (c2_1 @ a1650)) | 
% 16.02/2.97       ~ (![X0 : $i]: ( (c0_1 @ X0) |  (c3_1 @ X0) |  (c2_1 @ X0))) | 
% 16.02/2.97       ( (c3_1 @ a1650))),
% 16.02/2.97      inference('split', [status(esa)], [zip_derived_cl1749])).
% 16.02/2.97  thf('25', plain, (~ ( (hskp6)) | ~ ( (c2_1 @ a1650))),
% 16.02/2.97      inference('split', [status(esa)], [zip_derived_cl298])).
% 16.02/2.97  thf(clause300, conjecture, (~( ( ~( hskp6 ) ) | ( ~( c3_1 @ a1650 ) ) ))).
% 16.02/2.97  thf(zf_stmt_29, negated_conjecture, (( ~( hskp6 ) ) | ( ~( c3_1 @ a1650 ) )),
% 16.02/2.97    inference('cnf.neg', [status(esa)], [clause300])).
% 16.02/2.97  thf(zip_derived_cl299, plain, ((~ (hskp6) | ~ (c3_1 @ a1650))),
% 16.02/2.97      inference('cnf', [status(esa)], [zf_stmt_29])).
% 16.02/2.97  thf('26', plain, (~ ( (hskp6)) | ~ ( (c3_1 @ a1650))),
% 16.02/2.97      inference('split', [status(esa)], [zip_derived_cl299])).
% 16.02/2.97  thf(clause323, conjecture,
% 16.02/2.97    (~( ( hskp6 ) | ( hskp48 ) | ( c2_1 @ U ) | ( ~( ndr1_0 ) ) | 
% 16.02/2.97        ( ~( c3_1 @ U ) ) | ( ~( c0_1 @ U ) ) ))).
% 16.02/2.97  thf(zf_stmt_30, negated_conjecture,
% 16.02/2.97    (( hskp6 ) | ( hskp48 ) | ( c2_1 @ U ) | ( ~( ndr1_0 ) ) | 
% 16.02/2.97     ( ~( c3_1 @ U ) ) | ( ~( c0_1 @ U ) )),
% 16.02/2.97    inference('cnf.neg', [status(esa)], [clause323])).
% 16.02/2.97  thf(zip_derived_cl322, plain,
% 16.02/2.97      (![X0 : $i]:
% 16.02/2.97         ( (hskp6)
% 16.02/2.97          |  (hskp48)
% 16.02/2.97          |  (c2_1 @ X0)
% 16.02/2.97          | ~ (ndr1_0)
% 16.02/2.97          | ~ (c3_1 @ X0)
% 16.02/2.97          | ~ (c0_1 @ X0))),
% 16.02/2.97      inference('cnf', [status(esa)], [zf_stmt_30])).
% 16.02/2.97  thf('27', plain,
% 16.02/2.97      (( (hskp6)) | ( (hskp48)) | ~ ( (ndr1_0)) | 
% 16.02/2.97       (![X0 : $i]: (~ (c0_1 @ X0) | ~ (c3_1 @ X0) |  (c2_1 @ X0)))),
% 16.02/2.97      inference('split', [status(esa)], [zip_derived_cl322])).
% 16.02/2.97  thf(clause135, conjecture, (~( ( c0_1 @ a1649 ) | ( ~( hskp48 ) ) ))).
% 16.02/2.97  thf(zf_stmt_31, negated_conjecture, (( c0_1 @ a1649 ) | ( ~( hskp48 ) )),
% 16.02/2.97    inference('cnf.neg', [status(esa)], [clause135])).
% 16.02/2.97  thf(zip_derived_cl134, plain, (( (c0_1 @ a1649) | ~ (hskp48))),
% 16.02/2.97      inference('cnf', [status(esa)], [zf_stmt_31])).
% 16.02/2.97  thf('28', plain, (( (c0_1 @ a1649)) | ~ ( (hskp48))),
% 16.02/2.97      inference('split', [status(esa)], [zip_derived_cl134])).
% 16.02/2.97  thf(clause217, conjecture, (~( ( ~( hskp48 ) ) | ( ~( c3_1 @ a1649 ) ) ))).
% 16.02/2.97  thf(zf_stmt_32, negated_conjecture,
% 16.02/2.97    (( ~( hskp48 ) ) | ( ~( c3_1 @ a1649 ) )),
% 16.02/2.97    inference('cnf.neg', [status(esa)], [clause217])).
% 16.02/2.97  thf(zip_derived_cl216, plain, ((~ (hskp48) | ~ (c3_1 @ a1649))),
% 16.02/2.97      inference('cnf', [status(esa)], [zf_stmt_32])).
% 16.02/2.97  thf('29', plain, (~ ( (c3_1 @ a1649)) | ~ ( (hskp48))),
% 16.02/2.97      inference('split', [status(esa)], [zip_derived_cl216])).
% 16.02/2.97  thf(clause218, conjecture, (~( ( ~( hskp48 ) ) | ( ~( c2_1 @ a1649 ) ) ))).
% 16.02/2.97  thf(zf_stmt_33, negated_conjecture,
% 16.02/2.97    (( ~( hskp48 ) ) | ( ~( c2_1 @ a1649 ) )),
% 16.02/2.97    inference('cnf.neg', [status(esa)], [clause218])).
% 16.02/2.97  thf(zip_derived_cl217, plain, ((~ (hskp48) | ~ (c2_1 @ a1649))),
% 16.02/2.97      inference('cnf', [status(esa)], [zf_stmt_33])).
% 16.02/2.97  thf('30', plain, (~ ( (c2_1 @ a1649)) | ~ ( (hskp48))),
% 16.02/2.97      inference('split', [status(esa)], [zip_derived_cl217])).
% 16.02/2.97  thf(clause339, conjecture,
% 16.02/2.97    (~( ( hskp22 ) | ( c3_1 @ V ) | ( c0_1 @ V ) | ( c2_1 @ U ) | 
% 16.02/2.97        ( c3_1 @ U ) | ( ~( c2_1 @ V ) ) | ( ~( ndr1_0 ) ) | ( ~( c0_1 @ U ) ) ))).
% 16.02/2.97  thf(zf_stmt_34, negated_conjecture,
% 16.02/2.97    (( hskp22 ) | ( c3_1 @ V ) | ( c0_1 @ V ) | ( c2_1 @ U ) | ( c3_1 @ U ) | 
% 16.02/2.97     ( ~( c2_1 @ V ) ) | ( ~( ndr1_0 ) ) | ( ~( c0_1 @ U ) )),
% 16.02/2.97    inference('cnf.neg', [status(esa)], [clause339])).
% 16.02/2.97  thf(zip_derived_cl338, plain,
% 16.02/2.97      (![X0 : $i, X1 : $i]:
% 16.02/2.97         ( (hskp22)
% 16.02/2.97          |  (c3_1 @ X0)
% 16.02/2.97          |  (c0_1 @ X0)
% 16.02/2.97          |  (c2_1 @ X1)
% 16.02/2.97          |  (c3_1 @ X1)
% 16.02/2.97          | ~ (c2_1 @ X0)
% 16.02/2.97          | ~ (ndr1_0)
% 16.02/2.97          | ~ (c0_1 @ X1))),
% 16.02/2.97      inference('cnf', [status(esa)], [zf_stmt_34])).
% 16.02/2.97  thf(zip_derived_cl1100, plain,
% 16.02/2.97      ((![X1 : $i]: ( (c2_1 @ X1) | ~ (c0_1 @ X1) |  (c3_1 @ X1)))
% 16.02/2.97         <= ((![X1 : $i]: ( (c2_1 @ X1) | ~ (c0_1 @ X1) |  (c3_1 @ X1))))),
% 16.02/2.97      inference('split', [status(esa)], [zip_derived_cl338])).
% 16.02/2.97  thf(zip_derived_cl806, plain, ((~ (c2_1 @ a1649)) <= (~ ( (c2_1 @ a1649)))),
% 16.02/2.97      inference('split', [status(esa)], [zip_derived_cl217])).
% 16.02/2.97  thf(zip_derived_cl2789, plain,
% 16.02/2.97      ((( (c3_1 @ a1649) | ~ (c0_1 @ a1649)))
% 16.02/2.97         <= (~ ( (c2_1 @ a1649)) & 
% 16.02/2.97             (![X1 : $i]: ( (c2_1 @ X1) | ~ (c0_1 @ X1) |  (c3_1 @ X1))))),
% 16.02/2.97      inference('s_sup-', [status(thm)],
% 16.02/2.97                [zip_derived_cl1100, zip_derived_cl806])).
% 16.02/2.97  thf('31', plain,
% 16.02/2.97      (( (c3_1 @ a1649)) | ( (c2_1 @ a1649)) | 
% 16.02/2.97       ~ (![X1 : $i]: ( (c2_1 @ X1) | ~ (c0_1 @ X1) |  (c3_1 @ X1))) | 
% 16.02/2.97       ~ ( (c0_1 @ a1649))),
% 16.02/2.97      inference('split', [status(esa)], [zip_derived_cl2789])).
% 16.02/2.97  thf(zip_derived_cl1100, plain,
% 16.02/2.97      ((![X1 : $i]: ( (c2_1 @ X1) | ~ (c0_1 @ X1) |  (c3_1 @ X1)))
% 16.02/2.97         <= ((![X1 : $i]: ( (c2_1 @ X1) | ~ (c0_1 @ X1) |  (c3_1 @ X1))))),
% 16.02/2.97      inference('split', [status(esa)], [zip_derived_cl338])).
% 16.02/2.97  thf(zip_derived_cl968, plain, ((~ (c2_1 @ a1650)) <= (~ ( (c2_1 @ a1650)))),
% 16.02/2.97      inference('split', [status(esa)], [zip_derived_cl298])).
% 16.02/2.97  thf(zip_derived_cl2813, plain,
% 16.02/2.97      ((( (c3_1 @ a1650) | ~ (c0_1 @ a1650)))
% 16.02/2.97         <= (~ ( (c2_1 @ a1650)) & 
% 16.02/2.97             (![X1 : $i]: ( (c2_1 @ X1) | ~ (c0_1 @ X1) |  (c3_1 @ X1))))),
% 16.02/2.97      inference('s_sup-', [status(thm)],
% 16.02/2.97                [zip_derived_cl1100, zip_derived_cl968])).
% 16.02/2.97  thf('32', plain,
% 16.02/2.97      (~ ( (c0_1 @ a1650)) | ( (c2_1 @ a1650)) | 
% 16.02/2.97       ~ (![X1 : $i]: ( (c2_1 @ X1) | ~ (c0_1 @ X1) |  (c3_1 @ X1))) | 
% 16.02/2.97       ( (c3_1 @ a1650))),
% 16.02/2.97      inference('split', [status(esa)], [zip_derived_cl2813])).
% 16.02/2.97  thf(clause116, conjecture, (~( ( c0_1 @ a1665 ) | ( ~( hskp57 ) ) ))).
% 16.02/2.97  thf(zf_stmt_35, negated_conjecture, (( c0_1 @ a1665 ) | ( ~( hskp57 ) )),
% 16.02/2.97    inference('cnf.neg', [status(esa)], [clause116])).
% 16.02/2.97  thf(zip_derived_cl115, plain, (( (c0_1 @ a1665) | ~ (hskp57))),
% 16.02/2.97      inference('cnf', [status(esa)], [zf_stmt_35])).
% 16.02/2.97  thf('33', plain, (( (c0_1 @ a1665)) | ~ ( (hskp57))),
% 16.02/2.97      inference('split', [status(esa)], [zip_derived_cl115])).
% 16.02/2.97  thf(clause328, conjecture,
% 16.02/2.97    (~( ( hskp17 ) | ( hskp16 ) | ( c1_1 @ U ) | ( ~( ndr1_0 ) ) | 
% 16.02/2.97        ( ~( c3_1 @ U ) ) | ( ~( c0_1 @ U ) ) ))).
% 16.02/2.97  thf(zf_stmt_36, negated_conjecture,
% 16.02/2.97    (( hskp17 ) | ( hskp16 ) | ( c1_1 @ U ) | ( ~( ndr1_0 ) ) | 
% 16.02/2.97     ( ~( c3_1 @ U ) ) | ( ~( c0_1 @ U ) )),
% 16.02/2.97    inference('cnf.neg', [status(esa)], [clause328])).
% 16.02/2.97  thf(zip_derived_cl327, plain,
% 16.02/2.97      (![X0 : $i]:
% 16.02/2.97         ( (hskp17)
% 16.02/2.97          |  (hskp16)
% 16.02/2.97          |  (c1_1 @ X0)
% 16.02/2.97          | ~ (ndr1_0)
% 16.02/2.97          | ~ (c3_1 @ X0)
% 16.02/2.97          | ~ (c0_1 @ X0))),
% 16.02/2.97      inference('cnf', [status(esa)], [zf_stmt_36])).
% 16.02/2.97  thf(zip_derived_cl1056, plain,
% 16.02/2.97      ((![X0 : $i]: (~ (c0_1 @ X0) | ~ (c3_1 @ X0) |  (c1_1 @ X0)))
% 16.02/2.97         <= ((![X0 : $i]: (~ (c0_1 @ X0) | ~ (c3_1 @ X0) |  (c1_1 @ X0))))),
% 16.02/2.97      inference('split', [status(esa)], [zip_derived_cl327])).
% 16.02/2.97  thf(clause209, conjecture, (~( ( ~( hskp57 ) ) | ( ~( c1_1 @ a1665 ) ) ))).
% 16.02/2.97  thf(zf_stmt_37, negated_conjecture,
% 16.02/2.97    (( ~( hskp57 ) ) | ( ~( c1_1 @ a1665 ) )),
% 16.02/2.97    inference('cnf.neg', [status(esa)], [clause209])).
% 16.02/2.97  thf(zip_derived_cl208, plain, ((~ (hskp57) | ~ (c1_1 @ a1665))),
% 16.02/2.97      inference('cnf', [status(esa)], [zf_stmt_37])).
% 16.02/2.97  thf(zip_derived_cl788, plain, ((~ (c1_1 @ a1665)) <= (~ ( (c1_1 @ a1665)))),
% 16.02/2.97      inference('split', [status(esa)], [zip_derived_cl208])).
% 16.02/2.97  thf(zip_derived_cl2303, plain,
% 16.02/2.97      (((~ (c3_1 @ a1665) | ~ (c0_1 @ a1665)))
% 16.02/2.97         <= (~ ( (c1_1 @ a1665)) & 
% 16.02/2.97             (![X0 : $i]: (~ (c0_1 @ X0) | ~ (c3_1 @ X0) |  (c1_1 @ X0))))),
% 16.02/2.97      inference('s_sup-', [status(thm)],
% 16.02/2.97                [zip_derived_cl1056, zip_derived_cl788])).
% 16.02/2.97  thf('34', plain,
% 16.02/2.97      (~ (![X0 : $i]: (~ (c0_1 @ X0) | ~ (c3_1 @ X0) |  (c1_1 @ X0))) | 
% 16.02/2.97       ~ ( (c0_1 @ a1665)) | ( (c1_1 @ a1665)) | ~ ( (c3_1 @ a1665))),
% 16.02/2.97      inference('split', [status(esa)], [zip_derived_cl2303])).
% 16.02/2.97  thf(clause168, conjecture, (~( ( c3_1 @ a1683 ) | ( ~( hskp21 ) ) ))).
% 16.02/2.97  thf(zf_stmt_38, negated_conjecture, (( c3_1 @ a1683 ) | ( ~( hskp21 ) )),
% 16.02/2.97    inference('cnf.neg', [status(esa)], [clause168])).
% 16.02/2.97  thf(zip_derived_cl167, plain, (( (c3_1 @ a1683) | ~ (hskp21))),
% 16.02/2.97      inference('cnf', [status(esa)], [zf_stmt_38])).
% 16.02/2.97  thf('35', plain, (( (c3_1 @ a1683)) | ~ ( (hskp21))),
% 16.02/2.97      inference('split', [status(esa)], [zip_derived_cl167])).
% 16.02/2.97  thf(clause169, conjecture, (~( ( c2_1 @ a1683 ) | ( ~( hskp21 ) ) ))).
% 16.02/2.97  thf(zf_stmt_39, negated_conjecture, (( c2_1 @ a1683 ) | ( ~( hskp21 ) )),
% 16.02/2.97    inference('cnf.neg', [status(esa)], [clause169])).
% 16.02/2.97  thf(zip_derived_cl168, plain, (( (c2_1 @ a1683) | ~ (hskp21))),
% 16.02/2.97      inference('cnf', [status(esa)], [zf_stmt_39])).
% 16.02/2.97  thf('36', plain, (~ ( (hskp21)) | ( (c2_1 @ a1683))),
% 16.02/2.97      inference('split', [status(esa)], [zip_derived_cl168])).
% 16.02/2.97  thf(clause265, conjecture, (~( ( ~( hskp21 ) ) | ( ~( c1_1 @ a1683 ) ) ))).
% 16.02/2.97  thf(zf_stmt_40, negated_conjecture,
% 16.02/2.97    (( ~( hskp21 ) ) | ( ~( c1_1 @ a1683 ) )),
% 16.02/2.97    inference('cnf.neg', [status(esa)], [clause265])).
% 16.02/2.97  thf(zip_derived_cl264, plain, ((~ (hskp21) | ~ (c1_1 @ a1683))),
% 16.02/2.97      inference('cnf', [status(esa)], [zf_stmt_40])).
% 16.02/2.97  thf('37', plain, (~ ( (hskp21)) | ~ ( (c1_1 @ a1683))),
% 16.02/2.97      inference('split', [status(esa)], [zip_derived_cl264])).
% 16.02/2.97  thf(clause349, conjecture,
% 16.02/2.97    (~( ( hskp67 ) | ( c1_1 @ V ) | ( c1_1 @ U ) | ( ~( c2_1 @ V ) ) | 
% 16.02/2.97        ( ~( c3_1 @ V ) ) | ( ~( ndr1_0 ) ) | ( ~( c0_1 @ U ) ) | 
% 16.02/2.97        ( ~( c3_1 @ U ) ) ))).
% 16.02/2.97  thf(zf_stmt_41, negated_conjecture,
% 16.02/2.97    (( hskp67 ) | ( c1_1 @ V ) | ( c1_1 @ U ) | ( ~( c2_1 @ V ) ) | 
% 16.02/2.97     ( ~( c3_1 @ V ) ) | ( ~( ndr1_0 ) ) | ( ~( c0_1 @ U ) ) | 
% 16.02/2.97     ( ~( c3_1 @ U ) )),
% 16.02/2.97    inference('cnf.neg', [status(esa)], [clause349])).
% 16.02/2.97  thf(zip_derived_cl348, plain,
% 16.02/2.97      (![X0 : $i, X1 : $i]:
% 16.02/2.97         ( (hskp67)
% 16.02/2.97          |  (c1_1 @ X0)
% 16.02/2.97          |  (c1_1 @ X1)
% 16.02/2.97          | ~ (c2_1 @ X0)
% 16.02/2.97          | ~ (c3_1 @ X0)
% 16.02/2.97          | ~ (ndr1_0)
% 16.02/2.97          | ~ (c0_1 @ X1)
% 16.02/2.97          | ~ (c3_1 @ X1))),
% 16.02/2.97      inference('cnf', [status(esa)], [zf_stmt_41])).
% 16.02/2.97  thf(zip_derived_cl1141, plain,
% 16.02/2.97      ((![X0 : $i]: (~ (c3_1 @ X0) | ~ (c2_1 @ X0) |  (c1_1 @ X0)))
% 16.02/2.97         <= ((![X0 : $i]: (~ (c3_1 @ X0) | ~ (c2_1 @ X0) |  (c1_1 @ X0))))),
% 16.02/2.97      inference('split', [status(esa)], [zip_derived_cl348])).
% 16.02/2.97  thf(zip_derived_cl900, plain, ((~ (c1_1 @ a1683)) <= (~ ( (c1_1 @ a1683)))),
% 16.02/2.97      inference('split', [status(esa)], [zip_derived_cl264])).
% 16.02/2.97  thf(zip_derived_cl2402, plain,
% 16.02/2.97      (((~ (c2_1 @ a1683) | ~ (c3_1 @ a1683)))
% 16.02/2.97         <= (~ ( (c1_1 @ a1683)) & 
% 16.02/2.97             (![X0 : $i]: (~ (c3_1 @ X0) | ~ (c2_1 @ X0) |  (c1_1 @ X0))))),
% 16.02/2.97      inference('s_sup-', [status(thm)],
% 16.02/2.97                [zip_derived_cl1141, zip_derived_cl900])).
% 16.02/2.97  thf('38', plain,
% 16.02/2.97      (~ ( (c2_1 @ a1683)) | ( (c1_1 @ a1683)) | 
% 16.02/2.97       ~ (![X0 : $i]: (~ (c3_1 @ X0) | ~ (c2_1 @ X0) |  (c1_1 @ X0))) | 
% 16.02/2.97       ~ ( (c3_1 @ a1683))),
% 16.02/2.97      inference('split', [status(esa)], [zip_derived_cl2402])).
% 16.02/2.97  thf(zip_derived_cl1096, plain,
% 16.02/2.97      ((![X1 : $i]: ( (c2_1 @ X1) | ~ (c1_1 @ X1) |  (c3_1 @ X1)))
% 16.02/2.97         <= ((![X1 : $i]: ( (c2_1 @ X1) | ~ (c1_1 @ X1) |  (c3_1 @ X1))))),
% 16.02/2.97      inference('split', [status(esa)], [zip_derived_cl337])).
% 16.02/2.97  thf(zip_derived_cl738, plain, (( (c1_1 @ a1637)) <= (( (c1_1 @ a1637)))),
% 16.02/2.97      inference('split', [status(esa)], [zip_derived_cl183])).
% 16.02/2.97  thf(zip_derived_cl2600, plain,
% 16.02/2.97      ((( (c3_1 @ a1637) |  (c2_1 @ a1637)))
% 16.02/2.97         <= (( (c1_1 @ a1637)) & 
% 16.02/2.97             (![X1 : $i]: ( (c2_1 @ X1) | ~ (c1_1 @ X1) |  (c3_1 @ X1))))),
% 16.02/2.97      inference('s_sup+', [status(thm)],
% 16.02/2.97                [zip_derived_cl1096, zip_derived_cl738])).
% 16.02/2.97  thf('39', plain,
% 16.02/2.97      (( (c3_1 @ a1637)) | 
% 16.02/2.97       ~ (![X1 : $i]: ( (c2_1 @ X1) | ~ (c1_1 @ X1) |  (c3_1 @ X1))) | 
% 16.02/2.97       ( (c2_1 @ a1637)) | ~ ( (c1_1 @ a1637))),
% 16.02/2.97      inference('split', [status(esa)], [zip_derived_cl2600])).
% 16.02/2.97  thf(clause337, conjecture,
% 16.02/2.97    (~( ( hskp60 ) | ( c1_1 @ V ) | ( c0_1 @ V ) | ( c1_1 @ U ) | 
% 16.02/2.97        ( c3_1 @ U ) | ( ~( c3_1 @ V ) ) | ( ~( ndr1_0 ) ) | ( ~( c2_1 @ U ) ) ))).
% 16.02/2.97  thf(zf_stmt_42, negated_conjecture,
% 16.02/2.97    (( hskp60 ) | ( c1_1 @ V ) | ( c0_1 @ V ) | ( c1_1 @ U ) | ( c3_1 @ U ) | 
% 16.02/2.97     ( ~( c3_1 @ V ) ) | ( ~( ndr1_0 ) ) | ( ~( c2_1 @ U ) )),
% 16.02/2.97    inference('cnf.neg', [status(esa)], [clause337])).
% 16.02/2.97  thf(zip_derived_cl336, plain,
% 16.02/2.97      (![X0 : $i, X1 : $i]:
% 16.02/2.97         ( (hskp60)
% 16.02/2.97          |  (c1_1 @ X0)
% 16.02/2.97          |  (c0_1 @ X0)
% 16.02/2.97          |  (c1_1 @ X1)
% 16.02/2.97          |  (c3_1 @ X1)
% 16.02/2.97          | ~ (c3_1 @ X0)
% 16.02/2.97          | ~ (ndr1_0)
% 16.02/2.97          | ~ (c2_1 @ X1))),
% 16.02/2.97      inference('cnf', [status(esa)], [zf_stmt_42])).
% 16.02/2.97  thf('40', plain,
% 16.02/2.97      ((![X0 : $i]: ( (c0_1 @ X0) | ~ (c3_1 @ X0) |  (c1_1 @ X0))) | 
% 16.02/2.97       ( (hskp60)) | ~ ( (ndr1_0)) | 
% 16.02/2.97       (![X0 : $i]: ( (c3_1 @ X0) | ~ (c2_1 @ X0) |  (c1_1 @ X0)))),
% 16.02/2.97      inference('split', [status(esa)], [zip_derived_cl336])).
% 16.02/2.97  thf(clause343, conjecture,
% 16.02/2.97    (~( ( hskp46 ) | ( c2_1 @ V ) | ( c0_1 @ V ) | ( c0_1 @ U ) | 
% 16.02/2.97        ( ~( c1_1 @ V ) ) | ( ~( ndr1_0 ) ) | ( ~( c3_1 @ U ) ) | 
% 16.02/2.97        ( ~( c2_1 @ U ) ) ))).
% 16.02/2.97  thf(zf_stmt_43, negated_conjecture,
% 16.02/2.97    (( hskp46 ) | ( c2_1 @ V ) | ( c0_1 @ V ) | ( c0_1 @ U ) | 
% 16.02/2.97     ( ~( c1_1 @ V ) ) | ( ~( ndr1_0 ) ) | ( ~( c3_1 @ U ) ) | 
% 16.02/2.97     ( ~( c2_1 @ U ) )),
% 16.02/2.97    inference('cnf.neg', [status(esa)], [clause343])).
% 16.02/2.97  thf(zip_derived_cl342, plain,
% 16.02/2.97      (![X0 : $i, X1 : $i]:
% 16.02/2.97         ( (hskp46)
% 16.02/2.97          |  (c2_1 @ X0)
% 16.02/2.97          |  (c0_1 @ X0)
% 16.02/2.97          |  (c0_1 @ X1)
% 16.02/2.97          | ~ (c1_1 @ X0)
% 16.02/2.97          | ~ (ndr1_0)
% 16.02/2.97          | ~ (c3_1 @ X1)
% 16.02/2.97          | ~ (c2_1 @ X1))),
% 16.02/2.97      inference('cnf', [status(esa)], [zf_stmt_43])).
% 16.02/2.97  thf(zip_derived_cl1116, plain,
% 16.02/2.97      ((![X1 : $i]: (~ (c2_1 @ X1) |  (c0_1 @ X1) | ~ (c3_1 @ X1)))
% 16.02/2.98         <= ((![X1 : $i]: (~ (c2_1 @ X1) |  (c0_1 @ X1) | ~ (c3_1 @ X1))))),
% 16.02/2.98      inference('split', [status(esa)], [zip_derived_cl342])).
% 16.02/2.98  thf(clause101, conjecture, (~( ( c2_1 @ a1702 ) | ( ~( hskp67 ) ) ))).
% 16.02/2.98  thf(zf_stmt_44, negated_conjecture, (( c2_1 @ a1702 ) | ( ~( hskp67 ) )),
% 16.02/2.98    inference('cnf.neg', [status(esa)], [clause101])).
% 16.02/2.98  thf(zip_derived_cl100, plain, (( (c2_1 @ a1702) | ~ (hskp67))),
% 16.02/2.98      inference('cnf', [status(esa)], [zf_stmt_44])).
% 16.02/2.98  thf(zip_derived_cl572, plain, (( (c2_1 @ a1702)) <= (( (c2_1 @ a1702)))),
% 16.02/2.98      inference('split', [status(esa)], [zip_derived_cl100])).
% 16.02/2.98  thf(zip_derived_cl1832, plain,
% 16.02/2.98      (((~ (c3_1 @ a1702) |  (c0_1 @ a1702)))
% 16.02/2.98         <= (( (c2_1 @ a1702)) & 
% 16.02/2.98             (![X1 : $i]: (~ (c2_1 @ X1) |  (c0_1 @ X1) | ~ (c3_1 @ X1))))),
% 16.02/2.98      inference('s_sup+', [status(thm)],
% 16.02/2.98                [zip_derived_cl1116, zip_derived_cl572])).
% 16.02/2.98  thf('41', plain,
% 16.02/2.98      (~ (![X1 : $i]: (~ (c2_1 @ X1) |  (c0_1 @ X1) | ~ (c3_1 @ X1))) | 
% 16.02/2.98       ( (c0_1 @ a1702)) | ~ ( (c3_1 @ a1702)) | ~ ( (c2_1 @ a1702))),
% 16.02/2.98      inference('split', [status(esa)], [zip_derived_cl1832])).
% 16.02/2.98  thf(zip_derived_cl570, plain, (( (c1_1 @ a1702)) <= (( (c1_1 @ a1702)))),
% 16.02/2.98      inference('split', [status(esa)], [zip_derived_cl99])).
% 16.02/2.98  thf(zip_derived_cl1152, plain,
% 16.02/2.98      ((![X1 : $i]: (~ (c1_1 @ X1) | ~ (c0_1 @ X1) | ~ (c3_1 @ X1)))
% 16.02/2.98         <= ((![X1 : $i]: (~ (c1_1 @ X1) | ~ (c0_1 @ X1) | ~ (c3_1 @ X1))))),
% 16.02/2.98      inference('split', [status(esa)], [zip_derived_cl351])).
% 16.02/2.98  thf(zip_derived_cl1338, plain,
% 16.02/2.98      (((~ (c0_1 @ a1702) | ~ (c3_1 @ a1702)))
% 16.02/2.98         <= (( (c1_1 @ a1702)) & 
% 16.02/2.98             (![X1 : $i]: (~ (c1_1 @ X1) | ~ (c0_1 @ X1) | ~ (c3_1 @ X1))))),
% 16.02/2.98      inference('s_sup-', [status(thm)],
% 16.02/2.98                [zip_derived_cl570, zip_derived_cl1152])).
% 16.02/2.98  thf('42', plain,
% 16.02/2.98      (~ ( (c0_1 @ a1702)) | 
% 16.02/2.98       ~ (![X1 : $i]: (~ (c1_1 @ X1) | ~ (c0_1 @ X1) | ~ (c3_1 @ X1))) | 
% 16.02/2.98       ~ ( (c3_1 @ a1702)) | ~ ( (c1_1 @ a1702))),
% 16.02/2.98      inference('split', [status(esa)], [zip_derived_cl1338])).
% 16.02/2.98  thf('43', plain, (( (c1_1 @ a1702)) | ~ ( (hskp67))),
% 16.02/2.98      inference('split', [status(esa)], [zip_derived_cl99])).
% 16.02/2.98  thf('44', plain, (( (c2_1 @ a1702)) | ~ ( (hskp67))),
% 16.02/2.98      inference('split', [status(esa)], [zip_derived_cl100])).
% 16.02/2.98  thf(clause102, conjecture, (~( ( c3_1 @ a1702 ) | ( ~( hskp67 ) ) ))).
% 16.02/2.98  thf(zf_stmt_45, negated_conjecture, (( c3_1 @ a1702 ) | ( ~( hskp67 ) )),
% 16.02/2.98    inference('cnf.neg', [status(esa)], [clause102])).
% 16.02/2.98  thf(zip_derived_cl101, plain, (( (c3_1 @ a1702) | ~ (hskp67))),
% 16.02/2.98      inference('cnf', [status(esa)], [zf_stmt_45])).
% 16.02/2.98  thf('45', plain, (( (c3_1 @ a1702)) | ~ ( (hskp67))),
% 16.02/2.98      inference('split', [status(esa)], [zip_derived_cl101])).
% 16.02/2.98  thf('46', plain,
% 16.02/2.98      (( (hskp67)) | 
% 16.02/2.98       (![X0 : $i]: (~ (c0_1 @ X0) | ~ (c3_1 @ X0) |  (c1_1 @ X0))) | 
% 16.02/2.98       ~ ( (ndr1_0)) | 
% 16.02/2.98       (![X0 : $i]: (~ (c3_1 @ X0) | ~ (c2_1 @ X0) |  (c1_1 @ X0)))),
% 16.02/2.98      inference('split', [status(esa)], [zip_derived_cl348])).
% 16.02/2.98  thf(zip_derived_cl1008, plain,
% 16.02/2.98      ((![X0 : $i]: (~ (c0_1 @ X0) |  (c2_1 @ X0) |  (c1_1 @ X0)))
% 16.02/2.98         <= ((![X0 : $i]: (~ (c0_1 @ X0) |  (c2_1 @ X0) |  (c1_1 @ X0))))),
% 16.02/2.98      inference('split', [status(esa)], [zip_derived_cl315])).
% 16.02/2.98  thf(clause203, conjecture, (~( ( ~( hskp61 ) ) | ( ~( c1_1 @ a1674 ) ) ))).
% 16.02/2.98  thf(zf_stmt_46, negated_conjecture,
% 16.02/2.98    (( ~( hskp61 ) ) | ( ~( c1_1 @ a1674 ) )),
% 16.02/2.98    inference('cnf.neg', [status(esa)], [clause203])).
% 16.02/2.98  thf(zip_derived_cl202, plain, ((~ (hskp61) | ~ (c1_1 @ a1674))),
% 16.02/2.98      inference('cnf', [status(esa)], [zf_stmt_46])).
% 16.02/2.98  thf(zip_derived_cl776, plain, ((~ (c1_1 @ a1674)) <= (~ ( (c1_1 @ a1674)))),
% 16.02/2.98      inference('split', [status(esa)], [zip_derived_cl202])).
% 16.02/2.98  thf(zip_derived_cl2101, plain,
% 16.02/2.98      ((( (c2_1 @ a1674) | ~ (c0_1 @ a1674)))
% 16.02/2.98         <= (~ ( (c1_1 @ a1674)) & 
% 16.02/2.98             (![X0 : $i]: (~ (c0_1 @ X0) |  (c2_1 @ X0) |  (c1_1 @ X0))))),
% 16.02/2.98      inference('s_sup-', [status(thm)],
% 16.02/2.98                [zip_derived_cl1008, zip_derived_cl776])).
% 16.02/2.98  thf('47', plain,
% 16.02/2.98      (~ (![X0 : $i]: (~ (c0_1 @ X0) |  (c2_1 @ X0) |  (c1_1 @ X0))) | 
% 16.02/2.98       ~ ( (c0_1 @ a1674)) | ( (c1_1 @ a1674)) | ( (c2_1 @ a1674))),
% 16.02/2.98      inference('split', [status(esa)], [zip_derived_cl2101])).
% 16.02/2.98  thf(zip_derived_cl1056, plain,
% 16.02/2.98      ((![X0 : $i]: (~ (c0_1 @ X0) | ~ (c3_1 @ X0) |  (c1_1 @ X0)))
% 16.02/2.98         <= ((![X0 : $i]: (~ (c0_1 @ X0) | ~ (c3_1 @ X0) |  (c1_1 @ X0))))),
% 16.02/2.98      inference('split', [status(esa)], [zip_derived_cl327])).
% 16.02/2.98  thf(zip_derived_cl776, plain, ((~ (c1_1 @ a1674)) <= (~ ( (c1_1 @ a1674)))),
% 16.02/2.98      inference('split', [status(esa)], [zip_derived_cl202])).
% 16.02/2.98  thf(zip_derived_cl2300, plain,
% 16.02/2.98      (((~ (c3_1 @ a1674) | ~ (c0_1 @ a1674)))
% 16.02/2.98         <= (~ ( (c1_1 @ a1674)) & 
% 16.02/2.98             (![X0 : $i]: (~ (c0_1 @ X0) | ~ (c3_1 @ X0) |  (c1_1 @ X0))))),
% 16.02/2.98      inference('s_sup-', [status(thm)],
% 16.02/2.98                [zip_derived_cl1056, zip_derived_cl776])).
% 16.02/2.98  thf('48', plain,
% 16.02/2.98      (~ (![X0 : $i]: (~ (c0_1 @ X0) | ~ (c3_1 @ X0) |  (c1_1 @ X0))) | 
% 16.02/2.98       ~ ( (c0_1 @ a1674)) | ( (c1_1 @ a1674)) | ~ ( (c3_1 @ a1674))),
% 16.02/2.98      inference('split', [status(esa)], [zip_derived_cl2300])).
% 16.02/2.98  thf(clause360, conjecture,
% 16.02/2.98    (~( ( c3_1 @ W ) | ( c1_1 @ W ) | ( c0_1 @ V ) | ( c2_1 @ V ) | 
% 16.02/2.98        ( c2_1 @ U ) | ( ~( c0_1 @ W ) ) | ( ~( c3_1 @ V ) ) | 
% 16.02/2.98        ( ~( ndr1_0 ) ) | ( ~( c0_1 @ U ) ) | ( ~( c3_1 @ U ) ) ))).
% 16.02/2.98  thf(zf_stmt_47, negated_conjecture,
% 16.02/2.98    (( c3_1 @ W ) | ( c1_1 @ W ) | ( c0_1 @ V ) | ( c2_1 @ V ) | 
% 16.02/2.98     ( c2_1 @ U ) | ( ~( c0_1 @ W ) ) | ( ~( c3_1 @ V ) ) | ( ~( ndr1_0 ) ) | 
% 16.02/2.98     ( ~( c0_1 @ U ) ) | ( ~( c3_1 @ U ) )),
% 16.02/2.98    inference('cnf.neg', [status(esa)], [clause360])).
% 16.02/2.98  thf(zip_derived_cl359, plain,
% 16.02/2.98      (![X0 : $i, X1 : $i, X2 : $i]:
% 16.02/2.98         ( (c3_1 @ X0)
% 16.02/2.98          |  (c1_1 @ X0)
% 16.02/2.98          |  (c0_1 @ X1)
% 16.02/2.98          |  (c2_1 @ X1)
% 16.02/2.98          |  (c2_1 @ X2)
% 16.02/2.98          | ~ (c0_1 @ X0)
% 16.02/2.98          | ~ (c3_1 @ X1)
% 16.02/2.98          | ~ (ndr1_0)
% 16.02/2.98          | ~ (c0_1 @ X2)
% 16.02/2.98          | ~ (c3_1 @ X2))),
% 16.02/2.98      inference('cnf', [status(esa)], [zf_stmt_47])).
% 16.02/2.98  thf(zip_derived_cl1185, plain,
% 16.02/2.98      ((![X1 : $i]: ( (c2_1 @ X1) |  (c0_1 @ X1) | ~ (c3_1 @ X1)))
% 16.02/2.98         <= ((![X1 : $i]: ( (c2_1 @ X1) |  (c0_1 @ X1) | ~ (c3_1 @ X1))))),
% 16.02/2.98      inference('split', [status(esa)], [zip_derived_cl359])).
% 16.02/2.98  thf(clause204, conjecture, (~( ( ~( hskp61 ) ) | ( ~( c2_1 @ a1674 ) ) ))).
% 16.02/2.98  thf(zf_stmt_48, negated_conjecture,
% 16.02/2.98    (( ~( hskp61 ) ) | ( ~( c2_1 @ a1674 ) )),
% 16.02/2.98    inference('cnf.neg', [status(esa)], [clause204])).
% 16.02/2.98  thf(zip_derived_cl203, plain, ((~ (hskp61) | ~ (c2_1 @ a1674))),
% 16.02/2.98      inference('cnf', [status(esa)], [zf_stmt_48])).
% 16.02/2.98  thf(zip_derived_cl778, plain, ((~ (c2_1 @ a1674)) <= (~ ( (c2_1 @ a1674)))),
% 16.02/2.98      inference('split', [status(esa)], [zip_derived_cl203])).
% 16.02/2.98  thf(zip_derived_cl3134, plain,
% 16.02/2.98      (((~ (c3_1 @ a1674) |  (c0_1 @ a1674)))
% 16.02/2.98         <= (~ ( (c2_1 @ a1674)) & 
% 16.02/2.98             (![X1 : $i]: ( (c2_1 @ X1) |  (c0_1 @ X1) | ~ (c3_1 @ X1))))),
% 16.02/2.98      inference('s_sup-', [status(thm)],
% 16.02/2.98                [zip_derived_cl1185, zip_derived_cl778])).
% 16.02/2.98  thf('49', plain,
% 16.02/2.98      (( (c0_1 @ a1674)) | 
% 16.02/2.98       ~ (![X1 : $i]: ( (c2_1 @ X1) |  (c0_1 @ X1) | ~ (c3_1 @ X1))) | 
% 16.02/2.98       ( (c2_1 @ a1674)) | ~ ( (c3_1 @ a1674))),
% 16.02/2.98      inference('split', [status(esa)], [zip_derived_cl3134])).
% 16.02/2.98  thf(clause335, conjecture,
% 16.02/2.98    (~( ( hskp49 ) | ( c0_1 @ U ) | ( c2_1 @ U ) | ( c0_1 @ V ) | 
% 16.02/2.98        ( c2_1 @ V ) | ( c1_1 @ V ) | ( ~( c1_1 @ U ) ) | ( ~( ndr1_0 ) ) ))).
% 16.02/2.98  thf(zf_stmt_49, negated_conjecture,
% 16.02/2.98    (( hskp49 ) | ( c0_1 @ U ) | ( c2_1 @ U ) | ( c0_1 @ V ) | ( c2_1 @ V ) | 
% 16.02/2.98     ( c1_1 @ V ) | ( ~( c1_1 @ U ) ) | ( ~( ndr1_0 ) )),
% 16.02/2.98    inference('cnf.neg', [status(esa)], [clause335])).
% 16.02/2.98  thf(zip_derived_cl334, plain,
% 16.02/2.98      (![X0 : $i, X1 : $i]:
% 16.02/2.98         ( (hskp49)
% 16.02/2.98          |  (c0_1 @ X0)
% 16.02/2.98          |  (c2_1 @ X0)
% 16.02/2.98          |  (c0_1 @ X1)
% 16.02/2.98          |  (c2_1 @ X1)
% 16.02/2.98          |  (c1_1 @ X1)
% 16.02/2.98          | ~ (c1_1 @ X0)
% 16.02/2.98          | ~ (ndr1_0))),
% 16.02/2.98      inference('cnf', [status(esa)], [zf_stmt_49])).
% 16.02/2.98  thf(zip_derived_cl1084, plain,
% 16.02/2.98      ((![X1 : $i]: ( (c2_1 @ X1) |  (c1_1 @ X1) |  (c0_1 @ X1)))
% 16.02/2.98         <= ((![X1 : $i]: ( (c2_1 @ X1) |  (c1_1 @ X1) |  (c0_1 @ X1))))),
% 16.02/2.98      inference('split', [status(esa)], [zip_derived_cl334])).
% 16.02/2.98  thf(zip_derived_cl776, plain, ((~ (c1_1 @ a1674)) <= (~ ( (c1_1 @ a1674)))),
% 16.02/2.98      inference('split', [status(esa)], [zip_derived_cl202])).
% 16.02/2.98  thf(zip_derived_cl2856, plain,
% 16.02/2.98      ((( (c0_1 @ a1674) |  (c2_1 @ a1674)))
% 16.02/2.98         <= (~ ( (c1_1 @ a1674)) & 
% 16.02/2.98             (![X1 : $i]: ( (c2_1 @ X1) |  (c1_1 @ X1) |  (c0_1 @ X1))))),
% 16.02/2.98      inference('s_sup-', [status(thm)],
% 16.02/2.98                [zip_derived_cl1084, zip_derived_cl776])).
% 16.02/2.98  thf('50', plain,
% 16.02/2.98      (( (c0_1 @ a1674)) | 
% 16.02/2.98       ~ (![X1 : $i]: ( (c2_1 @ X1) |  (c1_1 @ X1) |  (c0_1 @ X1))) | 
% 16.02/2.98       ( (c2_1 @ a1674)) | ( (c1_1 @ a1674))),
% 16.02/2.98      inference('split', [status(esa)], [zip_derived_cl2856])).
% 16.02/2.98  thf(zip_derived_cl1004, plain,
% 16.02/2.98      ((![X0 : $i]: ( (c0_1 @ X0) | ~ (c3_1 @ X0) |  (c1_1 @ X0)))
% 16.02/2.98         <= ((![X0 : $i]: ( (c0_1 @ X0) | ~ (c3_1 @ X0) |  (c1_1 @ X0))))),
% 16.02/2.98      inference('split', [status(esa)], [zip_derived_cl314])).
% 16.02/2.98  thf(zip_derived_cl776, plain, ((~ (c1_1 @ a1674)) <= (~ ( (c1_1 @ a1674)))),
% 16.02/2.98      inference('split', [status(esa)], [zip_derived_cl202])).
% 16.02/2.98  thf(zip_derived_cl1988, plain,
% 16.02/2.98      (((~ (c3_1 @ a1674) |  (c0_1 @ a1674)))
% 16.02/2.98         <= (~ ( (c1_1 @ a1674)) & 
% 16.02/2.98             (![X0 : $i]: ( (c0_1 @ X0) | ~ (c3_1 @ X0) |  (c1_1 @ X0))))),
% 16.02/2.98      inference('s_sup-', [status(thm)],
% 16.02/2.98                [zip_derived_cl1004, zip_derived_cl776])).
% 16.02/2.98  thf('51', plain,
% 16.02/2.98      (( (c0_1 @ a1674)) | ( (c1_1 @ a1674)) | 
% 16.02/2.98       ~ (![X0 : $i]: ( (c0_1 @ X0) | ~ (c3_1 @ X0) |  (c1_1 @ X0))) | 
% 16.02/2.98       ~ ( (c3_1 @ a1674))),
% 16.02/2.98      inference('split', [status(esa)], [zip_derived_cl1988])).
% 16.02/2.98  thf(zip_derived_cl1036, plain,
% 16.02/2.98      ((![X0 : $i]: (~ (c0_1 @ X0) | ~ (c3_1 @ X0) |  (c2_1 @ X0)))
% 16.02/2.98         <= ((![X0 : $i]: (~ (c0_1 @ X0) | ~ (c3_1 @ X0) |  (c2_1 @ X0))))),
% 16.02/2.98      inference('split', [status(esa)], [zip_derived_cl322])).
% 16.02/2.98  thf(zip_derived_cl778, plain, ((~ (c2_1 @ a1674)) <= (~ ( (c2_1 @ a1674)))),
% 16.02/2.98      inference('split', [status(esa)], [zip_derived_cl203])).
% 16.02/2.98  thf(zip_derived_cl2167, plain,
% 16.02/2.98      (((~ (c3_1 @ a1674) | ~ (c0_1 @ a1674)))
% 16.02/2.98         <= (~ ( (c2_1 @ a1674)) & 
% 16.02/2.98             (![X0 : $i]: (~ (c0_1 @ X0) | ~ (c3_1 @ X0) |  (c2_1 @ X0))))),
% 16.02/2.98      inference('s_sup-', [status(thm)],
% 16.02/2.98                [zip_derived_cl1036, zip_derived_cl778])).
% 16.02/2.98  thf('52', plain,
% 16.02/2.98      (~ (![X0 : $i]: (~ (c0_1 @ X0) | ~ (c3_1 @ X0) |  (c2_1 @ X0))) | 
% 16.02/2.98       ~ ( (c0_1 @ a1674)) | ( (c2_1 @ a1674)) | ~ ( (c3_1 @ a1674))),
% 16.02/2.98      inference('split', [status(esa)], [zip_derived_cl2167])).
% 16.02/2.98  thf(zip_derived_cl1008, plain,
% 16.02/2.98      ((![X0 : $i]: (~ (c0_1 @ X0) |  (c2_1 @ X0) |  (c1_1 @ X0)))
% 16.02/2.98         <= ((![X0 : $i]: (~ (c0_1 @ X0) |  (c2_1 @ X0) |  (c1_1 @ X0))))),
% 16.02/2.98      inference('split', [status(esa)], [zip_derived_cl315])).
% 16.02/2.98  thf(zip_derived_cl880, plain, ((~ (c1_1 @ a1691)) <= (~ ( (c1_1 @ a1691)))),
% 16.02/2.98      inference('split', [status(esa)], [zip_derived_cl254])).
% 16.02/2.98  thf(zip_derived_cl2127, plain,
% 16.02/2.98      ((( (c2_1 @ a1691) | ~ (c0_1 @ a1691)))
% 16.02/2.98         <= (~ ( (c1_1 @ a1691)) & 
% 16.02/2.98             (![X0 : $i]: (~ (c0_1 @ X0) |  (c2_1 @ X0) |  (c1_1 @ X0))))),
% 16.02/2.98      inference('s_sup-', [status(thm)],
% 16.02/2.98                [zip_derived_cl1008, zip_derived_cl880])).
% 16.02/2.98  thf('53', plain,
% 16.02/2.98      (~ (![X0 : $i]: (~ (c0_1 @ X0) |  (c2_1 @ X0) |  (c1_1 @ X0))) | 
% 16.02/2.98       ~ ( (c0_1 @ a1691)) | ( (c1_1 @ a1691)) | ( (c2_1 @ a1691))),
% 16.02/2.98      inference('split', [status(esa)], [zip_derived_cl2127])).
% 16.02/2.98  thf(zip_derived_cl1036, plain,
% 16.02/2.98      ((![X0 : $i]: (~ (c0_1 @ X0) | ~ (c3_1 @ X0) |  (c2_1 @ X0)))
% 16.02/2.98         <= ((![X0 : $i]: (~ (c0_1 @ X0) | ~ (c3_1 @ X0) |  (c2_1 @ X0))))),
% 16.02/2.98      inference('split', [status(esa)], [zip_derived_cl322])).
% 16.02/2.98  thf(clause189, conjecture, (~( ( ~( hskp72 ) ) | ( ~( c2_1 @ a1715 ) ) ))).
% 16.02/2.98  thf(zf_stmt_50, negated_conjecture,
% 16.02/2.98    (( ~( hskp72 ) ) | ( ~( c2_1 @ a1715 ) )),
% 16.02/2.98    inference('cnf.neg', [status(esa)], [clause189])).
% 16.02/2.98  thf(zip_derived_cl188, plain, ((~ (hskp72) | ~ (c2_1 @ a1715))),
% 16.02/2.98      inference('cnf', [status(esa)], [zf_stmt_50])).
% 16.02/2.98  thf(zip_derived_cl748, plain, ((~ (c2_1 @ a1715)) <= (~ ( (c2_1 @ a1715)))),
% 16.02/2.98      inference('split', [status(esa)], [zip_derived_cl188])).
% 16.02/2.98  thf(zip_derived_cl2161, plain,
% 16.02/2.98      (((~ (c3_1 @ a1715) | ~ (c0_1 @ a1715)))
% 16.02/2.98         <= (~ ( (c2_1 @ a1715)) & 
% 16.02/2.98             (![X0 : $i]: (~ (c0_1 @ X0) | ~ (c3_1 @ X0) |  (c2_1 @ X0))))),
% 16.02/2.98      inference('s_sup-', [status(thm)],
% 16.02/2.98                [zip_derived_cl1036, zip_derived_cl748])).
% 16.02/2.98  thf('54', plain,
% 16.02/2.98      (~ (![X0 : $i]: (~ (c0_1 @ X0) | ~ (c3_1 @ X0) |  (c2_1 @ X0))) | 
% 16.02/2.98       ~ ( (c0_1 @ a1715)) | ( (c2_1 @ a1715)) | ~ ( (c3_1 @ a1715))),
% 16.02/2.98      inference('split', [status(esa)], [zip_derived_cl2161])).
% 16.02/2.98  thf(clause327, conjecture,
% 16.02/2.98    (~( ( hskp62 ) | ( hskp61 ) | ( c0_1 @ U ) | ( ~( ndr1_0 ) ) | 
% 16.02/2.98        ( ~( c3_1 @ U ) ) | ( ~( c1_1 @ U ) ) ))).
% 16.02/2.98  thf(zf_stmt_51, negated_conjecture,
% 16.02/2.98    (( hskp62 ) | ( hskp61 ) | ( c0_1 @ U ) | ( ~( ndr1_0 ) ) | 
% 16.02/2.98     ( ~( c3_1 @ U ) ) | ( ~( c1_1 @ U ) )),
% 16.02/2.98    inference('cnf.neg', [status(esa)], [clause327])).
% 16.02/2.98  thf(zip_derived_cl326, plain,
% 16.02/2.98      (![X0 : $i]:
% 16.02/2.98         ( (hskp62)
% 16.02/2.98          |  (hskp61)
% 16.02/2.98          |  (c0_1 @ X0)
% 16.02/2.98          | ~ (ndr1_0)
% 16.02/2.98          | ~ (c3_1 @ X0)
% 16.02/2.98          | ~ (c1_1 @ X0))),
% 16.02/2.98      inference('cnf', [status(esa)], [zf_stmt_51])).
% 16.02/2.98  thf(zip_derived_cl1052, plain,
% 16.02/2.98      ((![X0 : $i]: ( (c0_1 @ X0) | ~ (c3_1 @ X0) | ~ (c1_1 @ X0)))
% 16.02/2.98         <= ((![X0 : $i]: ( (c0_1 @ X0) | ~ (c3_1 @ X0) | ~ (c1_1 @ X0))))),
% 16.02/2.98      inference('split', [status(esa)], [zip_derived_cl326])).
% 16.02/2.98  thf(zip_derived_cl552, plain, (( (c1_1 @ a1715)) <= (( (c1_1 @ a1715)))),
% 16.02/2.98      inference('split', [status(esa)], [zip_derived_cl90])).
% 16.02/2.98  thf(zip_derived_cl1761, plain,
% 16.02/2.98      (((~ (c3_1 @ a1715) |  (c0_1 @ a1715)))
% 16.02/2.98         <= (( (c1_1 @ a1715)) & 
% 16.02/2.98             (![X0 : $i]: ( (c0_1 @ X0) | ~ (c3_1 @ X0) | ~ (c1_1 @ X0))))),
% 16.02/2.98      inference('s_sup+', [status(thm)],
% 16.02/2.98                [zip_derived_cl1052, zip_derived_cl552])).
% 16.02/2.98  thf('55', plain,
% 16.02/2.98      (( (c0_1 @ a1715)) | ~ ( (c1_1 @ a1715)) | 
% 16.02/2.98       ~ (![X0 : $i]: ( (c0_1 @ X0) | ~ (c3_1 @ X0) | ~ (c1_1 @ X0))) | 
% 16.02/2.98       ~ ( (c3_1 @ a1715))),
% 16.02/2.98      inference('split', [status(esa)], [zip_derived_cl1761])).
% 16.02/2.98  thf(clause348, conjecture,
% 16.02/2.98    (~( ( hskp75 ) | ( c3_1 @ V ) | ( c2_1 @ U ) | ( c1_1 @ U ) | 
% 16.02/2.98        ( ~( c1_1 @ V ) ) | ( ~( c2_1 @ V ) ) | ( ~( ndr1_0 ) ) | 
% 16.02/2.98        ( ~( c3_1 @ U ) ) ))).
% 16.02/2.98  thf(zf_stmt_52, negated_conjecture,
% 16.02/2.98    (( hskp75 ) | ( c3_1 @ V ) | ( c2_1 @ U ) | ( c1_1 @ U ) | 
% 16.02/2.98     ( ~( c1_1 @ V ) ) | ( ~( c2_1 @ V ) ) | ( ~( ndr1_0 ) ) | 
% 16.02/2.98     ( ~( c3_1 @ U ) )),
% 16.02/2.98    inference('cnf.neg', [status(esa)], [clause348])).
% 16.02/2.98  thf(zip_derived_cl347, plain,
% 16.02/2.98      (![X0 : $i, X1 : $i]:
% 16.02/2.98         ( (hskp75)
% 16.02/2.98          |  (c3_1 @ X0)
% 16.02/2.98          |  (c2_1 @ X1)
% 16.02/2.98          |  (c1_1 @ X1)
% 16.02/2.98          | ~ (c1_1 @ X0)
% 16.02/2.98          | ~ (c2_1 @ X0)
% 16.02/2.98          | ~ (ndr1_0)
% 16.02/2.98          | ~ (c3_1 @ X1))),
% 16.02/2.98      inference('cnf', [status(esa)], [zf_stmt_52])).
% 16.02/2.98  thf(zip_derived_cl1137, plain,
% 16.02/2.98      ((![X0 : $i]: ( (c3_1 @ X0) | ~ (c2_1 @ X0) | ~ (c1_1 @ X0)))
% 16.02/2.98         <= ((![X0 : $i]: ( (c3_1 @ X0) | ~ (c2_1 @ X0) | ~ (c1_1 @ X0))))),
% 16.02/2.98      inference('split', [status(esa)], [zip_derived_cl347])).
% 16.02/2.98  thf(clause317, conjecture,
% 16.02/2.98    (~( ( hskp18 ) | ( hskp60 ) | ( c3_1 @ U ) | ( c1_1 @ U ) | 
% 16.02/2.98        ( ~( ndr1_0 ) ) | ( ~( c2_1 @ U ) ) ))).
% 16.02/2.98  thf(zf_stmt_53, negated_conjecture,
% 16.02/2.98    (( hskp18 ) | ( hskp60 ) | ( c3_1 @ U ) | ( c1_1 @ U ) | ( ~( ndr1_0 ) ) | 
% 16.02/2.98     ( ~( c2_1 @ U ) )),
% 16.02/2.98    inference('cnf.neg', [status(esa)], [clause317])).
% 16.02/2.98  thf(zip_derived_cl316, plain,
% 16.02/2.98      (![X0 : $i]:
% 16.02/2.98         ( (hskp18)
% 16.02/2.98          |  (hskp60)
% 16.02/2.98          |  (c3_1 @ X0)
% 16.02/2.98          |  (c1_1 @ X0)
% 16.02/2.98          | ~ (ndr1_0)
% 16.02/2.98          | ~ (c2_1 @ X0))),
% 16.02/2.98      inference('cnf', [status(esa)], [zf_stmt_53])).
% 16.02/2.98  thf(zip_derived_cl1012, plain,
% 16.02/2.98      ((![X0 : $i]: ( (c3_1 @ X0) | ~ (c2_1 @ X0) |  (c1_1 @ X0)))
% 16.02/2.98         <= ((![X0 : $i]: ( (c3_1 @ X0) | ~ (c2_1 @ X0) |  (c1_1 @ X0))))),
% 16.02/2.98      inference('split', [status(esa)], [zip_derived_cl316])).
% 16.02/2.98  thf(zip_derived_cl2275, plain,
% 16.02/2.98      ((![X0 : $i]:
% 16.02/2.98          (~ (c2_1 @ X0) |  (c3_1 @ X0) |  (c3_1 @ X0) | ~ (c2_1 @ X0)))
% 16.02/2.98         <= ((![X0 : $i]: ( (c3_1 @ X0) | ~ (c2_1 @ X0) |  (c1_1 @ X0))) & 
% 16.02/2.98             (![X0 : $i]: ( (c3_1 @ X0) | ~ (c2_1 @ X0) | ~ (c1_1 @ X0))))),
% 16.02/2.98      inference('s_sup+', [status(thm)],
% 16.02/2.98                [zip_derived_cl1137, zip_derived_cl1012])).
% 16.02/2.98  thf(zip_derived_cl2281, plain,
% 16.02/2.98      ((![X0 : $i]: ( (c3_1 @ X0) | ~ (c2_1 @ X0)))
% 16.02/2.98         <= ((![X0 : $i]: ( (c3_1 @ X0) | ~ (c2_1 @ X0) |  (c1_1 @ X0))) & 
% 16.02/2.98             (![X0 : $i]: ( (c3_1 @ X0) | ~ (c2_1 @ X0) | ~ (c1_1 @ X0))))),
% 16.02/2.98      inference('simplify', [status(thm)], [zip_derived_cl2275])).
% 16.02/2.98  thf(clause89, conjecture, (~( ( c2_1 @ a1716 ) | ( ~( hskp73 ) ) ))).
% 16.02/2.98  thf(zf_stmt_54, negated_conjecture, (( c2_1 @ a1716 ) | ( ~( hskp73 ) )),
% 16.02/2.98    inference('cnf.neg', [status(esa)], [clause89])).
% 16.02/2.98  thf(zip_derived_cl88, plain, (( (c2_1 @ a1716) | ~ (hskp73))),
% 16.02/2.98      inference('cnf', [status(esa)], [zf_stmt_54])).
% 16.02/2.98  thf(zip_derived_cl548, plain, (( (c2_1 @ a1716)) <= (( (c2_1 @ a1716)))),
% 16.02/2.98      inference('split', [status(esa)], [zip_derived_cl88])).
% 16.02/2.98  thf(zip_derived_cl4461, plain,
% 16.02/2.98      (( (c3_1 @ a1716))
% 16.02/2.98         <= (( (c2_1 @ a1716)) & 
% 16.02/2.98             (![X0 : $i]: ( (c3_1 @ X0) | ~ (c2_1 @ X0) |  (c1_1 @ X0))) & 
% 16.02/2.98             (![X0 : $i]: ( (c3_1 @ X0) | ~ (c2_1 @ X0) | ~ (c1_1 @ X0))))),
% 16.02/2.98      inference('s_sup+', [status(thm)],
% 16.02/2.98                [zip_derived_cl2281, zip_derived_cl548])).
% 16.02/2.98  thf(clause188, conjecture, (~( ( ~( hskp73 ) ) | ( ~( c3_1 @ a1716 ) ) ))).
% 16.02/2.98  thf(zf_stmt_55, negated_conjecture,
% 16.02/2.98    (( ~( hskp73 ) ) | ( ~( c3_1 @ a1716 ) )),
% 16.02/2.98    inference('cnf.neg', [status(esa)], [clause188])).
% 16.02/2.98  thf(zip_derived_cl187, plain, ((~ (hskp73) | ~ (c3_1 @ a1716))),
% 16.02/2.98      inference('cnf', [status(esa)], [zf_stmt_55])).
% 16.02/2.98  thf(zip_derived_cl746, plain, ((~ (c3_1 @ a1716)) <= (~ ( (c3_1 @ a1716)))),
% 16.02/2.98      inference('split', [status(esa)], [zip_derived_cl187])).
% 16.02/2.98  thf('56', plain,
% 16.02/2.98      (~ (![X0 : $i]: ( (c3_1 @ X0) | ~ (c2_1 @ X0) |  (c1_1 @ X0))) | 
% 16.02/2.98       ~ ( (c2_1 @ a1716)) | ( (c3_1 @ a1716)) | 
% 16.02/2.98       ~ (![X0 : $i]: ( (c3_1 @ X0) | ~ (c2_1 @ X0) | ~ (c1_1 @ X0)))),
% 16.02/2.98      inference('s_sup-', [status(thm)],
% 16.02/2.98                [zip_derived_cl4461, zip_derived_cl746])).
% 16.02/2.98  thf('57', plain,
% 16.02/2.98      ((![X0 : $i]: ( (c3_1 @ X0) | ~ (c2_1 @ X0) | ~ (c1_1 @ X0))) | 
% 16.02/2.98       ( (hskp75)) | ~ ( (ndr1_0)) | 
% 16.02/2.98       (![X1 : $i]: ( (c2_1 @ X1) |  (c1_1 @ X1) | ~ (c3_1 @ X1)))),
% 16.02/2.98      inference('split', [status(esa)], [zip_derived_cl347])).
% 16.02/2.98  thf(clause85, conjecture, (~( ( c0_1 @ a1724 ) | ( ~( hskp75 ) ) ))).
% 16.02/2.98  thf(zf_stmt_56, negated_conjecture, (( c0_1 @ a1724 ) | ( ~( hskp75 ) )),
% 16.02/2.98    inference('cnf.neg', [status(esa)], [clause85])).
% 16.02/2.98  thf(zip_derived_cl84, plain, (( (c0_1 @ a1724) | ~ (hskp75))),
% 16.02/2.98      inference('cnf', [status(esa)], [zf_stmt_56])).
% 16.02/2.98  thf('58', plain, (( (c0_1 @ a1724)) | ~ ( (hskp75))),
% 16.02/2.98      inference('split', [status(esa)], [zip_derived_cl84])).
% 16.02/2.98  thf(clause86, conjecture, (~( ( c3_1 @ a1724 ) | ( ~( hskp75 ) ) ))).
% 16.02/2.98  thf(zf_stmt_57, negated_conjecture, (( c3_1 @ a1724 ) | ( ~( hskp75 ) )),
% 16.02/2.98    inference('cnf.neg', [status(esa)], [clause86])).
% 16.02/2.98  thf(zip_derived_cl85, plain, (( (c3_1 @ a1724) | ~ (hskp75))),
% 16.02/2.98      inference('cnf', [status(esa)], [zf_stmt_57])).
% 16.02/2.98  thf('59', plain, (( (c3_1 @ a1724)) | ~ ( (hskp75))),
% 16.02/2.98      inference('split', [status(esa)], [zip_derived_cl85])).
% 16.02/2.98  thf(clause186, conjecture, (~( ( ~( hskp75 ) ) | ( ~( c2_1 @ a1724 ) ) ))).
% 16.02/2.98  thf(zf_stmt_58, negated_conjecture,
% 16.02/2.98    (( ~( hskp75 ) ) | ( ~( c2_1 @ a1724 ) )),
% 16.02/2.98    inference('cnf.neg', [status(esa)], [clause186])).
% 16.02/2.98  thf(zip_derived_cl185, plain, ((~ (hskp75) | ~ (c2_1 @ a1724))),
% 16.02/2.98      inference('cnf', [status(esa)], [zf_stmt_58])).
% 16.02/2.98  thf('60', plain, (~ ( (c2_1 @ a1724)) | ~ ( (hskp75))),
% 16.02/2.98      inference('split', [status(esa)], [zip_derived_cl185])).
% 16.02/2.98  thf(zip_derived_cl1036, plain,
% 16.02/2.98      ((![X0 : $i]: (~ (c0_1 @ X0) | ~ (c3_1 @ X0) |  (c2_1 @ X0)))
% 16.02/2.98         <= ((![X0 : $i]: (~ (c0_1 @ X0) | ~ (c3_1 @ X0) |  (c2_1 @ X0))))),
% 16.02/2.98      inference('split', [status(esa)], [zip_derived_cl322])).
% 16.02/2.98  thf(zip_derived_cl742, plain, ((~ (c2_1 @ a1724)) <= (~ ( (c2_1 @ a1724)))),
% 16.02/2.98      inference('split', [status(esa)], [zip_derived_cl185])).
% 16.02/2.98  thf(zip_derived_cl2160, plain,
% 16.02/2.98      (((~ (c3_1 @ a1724) | ~ (c0_1 @ a1724)))
% 16.02/2.98         <= (~ ( (c2_1 @ a1724)) & 
% 16.02/2.98             (![X0 : $i]: (~ (c0_1 @ X0) | ~ (c3_1 @ X0) |  (c2_1 @ X0))))),
% 16.02/2.98      inference('s_sup-', [status(thm)],
% 16.02/2.98                [zip_derived_cl1036, zip_derived_cl742])).
% 16.02/2.98  thf('61', plain,
% 16.02/2.98      (~ (![X0 : $i]: (~ (c0_1 @ X0) | ~ (c3_1 @ X0) |  (c2_1 @ X0))) | 
% 16.02/2.98       ~ ( (c0_1 @ a1724)) | ( (c2_1 @ a1724)) | ~ ( (c3_1 @ a1724))),
% 16.02/2.98      inference('split', [status(esa)], [zip_derived_cl2160])).
% 16.02/2.98  thf(clause364, conjecture,
% 16.02/2.98    (~( ( c2_1 @ W ) | ( c1_1 @ W ) | ( c1_1 @ U ) | ( c2_1 @ U ) | 
% 16.02/2.98        ( ~( c3_1 @ W ) ) | ( ~( c1_1 @ V ) ) | ( ~( c0_1 @ V ) ) | 
% 16.02/2.98        ( ~( c3_1 @ V ) ) | ( ~( ndr1_0 ) ) | ( ~( c0_1 @ U ) ) ))).
% 16.02/2.98  thf(zf_stmt_59, negated_conjecture,
% 16.02/2.98    (( c2_1 @ W ) | ( c1_1 @ W ) | ( c1_1 @ U ) | ( c2_1 @ U ) | 
% 16.02/2.98     ( ~( c3_1 @ W ) ) | ( ~( c1_1 @ V ) ) | ( ~( c0_1 @ V ) ) | 
% 16.02/2.98     ( ~( c3_1 @ V ) ) | ( ~( ndr1_0 ) ) | ( ~( c0_1 @ U ) )),
% 16.02/2.98    inference('cnf.neg', [status(esa)], [clause364])).
% 16.02/2.98  thf(zip_derived_cl363, plain,
% 16.02/2.98      (![X0 : $i, X1 : $i, X2 : $i]:
% 16.02/2.98         ( (c2_1 @ X0)
% 16.02/2.98          |  (c1_1 @ X0)
% 16.02/2.98          |  (c1_1 @ X1)
% 16.02/2.98          |  (c2_1 @ X1)
% 16.02/2.98          | ~ (c3_1 @ X0)
% 16.02/2.98          | ~ (c1_1 @ X2)
% 16.02/2.98          | ~ (c0_1 @ X2)
% 16.02/2.98          | ~ (c3_1 @ X2)
% 16.02/2.98          | ~ (ndr1_0)
% 16.02/2.98          | ~ (c0_1 @ X1))),
% 16.02/2.98      inference('cnf', [status(esa)], [zf_stmt_59])).
% 16.02/2.98  thf('62', plain,
% 16.02/2.98      ((![X0 : $i]: (~ (c0_1 @ X0) |  (c2_1 @ X0) |  (c1_1 @ X0))) | 
% 16.02/2.98       (![X1 : $i]: ( (c2_1 @ X1) |  (c1_1 @ X1) | ~ (c3_1 @ X1))) | 
% 16.02/2.98       ~ ( (ndr1_0)) | 
% 16.02/2.98       (![X1 : $i]: (~ (c1_1 @ X1) | ~ (c0_1 @ X1) | ~ (c3_1 @ X1)))),
% 16.02/2.98      inference('split', [status(esa)], [zip_derived_cl363])).
% 16.02/2.98  thf(clause104, conjecture, (~( ( c2_1 @ a1687 ) | ( ~( hskp65 ) ) ))).
% 16.02/2.98  thf(zf_stmt_60, negated_conjecture, (( c2_1 @ a1687 ) | ( ~( hskp65 ) )),
% 16.02/2.98    inference('cnf.neg', [status(esa)], [clause104])).
% 16.02/2.98  thf(zip_derived_cl103, plain, (( (c2_1 @ a1687) | ~ (hskp65))),
% 16.02/2.98      inference('cnf', [status(esa)], [zf_stmt_60])).
% 16.02/2.98  thf('63', plain, (( (c2_1 @ a1687)) | ~ ( (hskp65))),
% 16.02/2.98      inference('split', [status(esa)], [zip_derived_cl103])).
% 16.02/2.98  thf(clause197, conjecture, (~( ( ~( hskp65 ) ) | ( ~( c3_1 @ a1687 ) ) ))).
% 16.02/2.98  thf(zf_stmt_61, negated_conjecture,
% 16.02/2.98    (( ~( hskp65 ) ) | ( ~( c3_1 @ a1687 ) )),
% 16.02/2.98    inference('cnf.neg', [status(esa)], [clause197])).
% 16.02/2.98  thf(zip_derived_cl196, plain, ((~ (hskp65) | ~ (c3_1 @ a1687))),
% 16.02/2.98      inference('cnf', [status(esa)], [zf_stmt_61])).
% 16.02/2.98  thf('64', plain, (~ ( (c3_1 @ a1687)) | ~ ( (hskp65))),
% 16.02/2.98      inference('split', [status(esa)], [zip_derived_cl196])).
% 16.02/2.98  thf(clause81, conjecture, (~( ( hskp65 ) | ( hskp64 ) | ( hskp23 ) ))).
% 16.02/2.98  thf(zf_stmt_62, negated_conjecture, (( hskp65 ) | ( hskp64 ) | ( hskp23 )),
% 16.02/2.98    inference('cnf.neg', [status(esa)], [clause81])).
% 16.02/2.98  thf(zip_derived_cl80, plain, (( (hskp65) |  (hskp64) |  (hskp23))),
% 16.02/2.98      inference('cnf', [status(esa)], [zf_stmt_62])).
% 16.02/2.98  thf('65', plain, (( (hskp64)) | ( (hskp65)) | ( (hskp23))),
% 16.02/2.98      inference('split', [status(esa)], [zip_derived_cl80])).
% 16.02/2.98  thf(zip_derived_cl1141, plain,
% 16.02/2.98      ((![X0 : $i]: (~ (c3_1 @ X0) | ~ (c2_1 @ X0) |  (c1_1 @ X0)))
% 16.02/2.98         <= ((![X0 : $i]: (~ (c3_1 @ X0) | ~ (c2_1 @ X0) |  (c1_1 @ X0))))),
% 16.02/2.98      inference('split', [status(esa)], [zip_derived_cl348])).
% 16.02/2.98  thf(clause262, conjecture, (~( ( ~( hskp23 ) ) | ( ~( c1_1 @ a1685 ) ) ))).
% 16.02/2.98  thf(zf_stmt_63, negated_conjecture,
% 16.02/2.98    (( ~( hskp23 ) ) | ( ~( c1_1 @ a1685 ) )),
% 16.02/2.98    inference('cnf.neg', [status(esa)], [clause262])).
% 16.02/2.98  thf(zip_derived_cl261, plain, ((~ (hskp23) | ~ (c1_1 @ a1685))),
% 16.02/2.98      inference('cnf', [status(esa)], [zf_stmt_63])).
% 16.02/2.98  thf(zip_derived_cl894, plain, ((~ (c1_1 @ a1685)) <= (~ ( (c1_1 @ a1685)))),
% 16.02/2.98      inference('split', [status(esa)], [zip_derived_cl261])).
% 16.02/2.98  thf(zip_derived_cl2401, plain,
% 16.02/2.98      (((~ (c2_1 @ a1685) | ~ (c3_1 @ a1685)))
% 16.02/2.98         <= (~ ( (c1_1 @ a1685)) & 
% 16.02/2.98             (![X0 : $i]: (~ (c3_1 @ X0) | ~ (c2_1 @ X0) |  (c1_1 @ X0))))),
% 16.02/2.98      inference('s_sup-', [status(thm)],
% 16.02/2.98                [zip_derived_cl1141, zip_derived_cl894])).
% 16.02/2.98  thf('66', plain,
% 16.02/2.98      (~ ( (c3_1 @ a1685)) | ( (c1_1 @ a1685)) | 
% 16.02/2.98       ~ (![X0 : $i]: (~ (c3_1 @ X0) | ~ (c2_1 @ X0) |  (c1_1 @ X0))) | 
% 16.02/2.98       ~ ( (c2_1 @ a1685))),
% 16.02/2.98      inference('split', [status(esa)], [zip_derived_cl2401])).
% 16.02/2.98  thf(clause166, conjecture, (~( ( c2_1 @ a1685 ) | ( ~( hskp23 ) ) ))).
% 16.02/2.98  thf(zf_stmt_64, negated_conjecture, (( c2_1 @ a1685 ) | ( ~( hskp23 ) )),
% 16.02/2.98    inference('cnf.neg', [status(esa)], [clause166])).
% 16.02/2.98  thf(zip_derived_cl165, plain, (( (c2_1 @ a1685) | ~ (hskp23))),
% 16.02/2.98      inference('cnf', [status(esa)], [zf_stmt_64])).
% 16.02/2.98  thf('67', plain, (( (c2_1 @ a1685)) | ~ ( (hskp23))),
% 16.02/2.98      inference('split', [status(esa)], [zip_derived_cl165])).
% 16.02/2.98  thf('68', plain, (~ ( (hskp23)) | ~ ( (c1_1 @ a1685))),
% 16.02/2.98      inference('split', [status(esa)], [zip_derived_cl261])).
% 16.02/2.98  thf(zip_derived_cl1012, plain,
% 16.02/2.98      ((![X0 : $i]: ( (c3_1 @ X0) | ~ (c2_1 @ X0) |  (c1_1 @ X0)))
% 16.02/2.98         <= ((![X0 : $i]: ( (c3_1 @ X0) | ~ (c2_1 @ X0) |  (c1_1 @ X0))))),
% 16.02/2.98      inference('split', [status(esa)], [zip_derived_cl316])).
% 16.02/2.98  thf(zip_derived_cl894, plain, ((~ (c1_1 @ a1685)) <= (~ ( (c1_1 @ a1685)))),
% 16.02/2.98      inference('split', [status(esa)], [zip_derived_cl261])).
% 16.02/2.98  thf(zip_derived_cl2249, plain,
% 16.02/2.98      (((~ (c2_1 @ a1685) |  (c3_1 @ a1685)))
% 16.02/2.98         <= (~ ( (c1_1 @ a1685)) & 
% 16.02/2.98             (![X0 : $i]: ( (c3_1 @ X0) | ~ (c2_1 @ X0) |  (c1_1 @ X0))))),
% 16.02/2.98      inference('s_sup-', [status(thm)],
% 16.02/2.98                [zip_derived_cl1012, zip_derived_cl894])).
% 16.02/2.98  thf('69', plain,
% 16.02/2.98      (~ (![X0 : $i]: ( (c3_1 @ X0) | ~ (c2_1 @ X0) |  (c1_1 @ X0))) | 
% 16.02/2.98       ( (c3_1 @ a1685)) | ( (c1_1 @ a1685)) | ~ ( (c2_1 @ a1685))),
% 16.02/2.98      inference('split', [status(esa)], [zip_derived_cl2249])).
% 16.02/2.98  thf(clause105, conjecture, (~( ( c0_1 @ a1686 ) | ( ~( hskp64 ) ) ))).
% 16.02/2.98  thf(zf_stmt_65, negated_conjecture, (( c0_1 @ a1686 ) | ( ~( hskp64 ) )),
% 16.02/2.98    inference('cnf.neg', [status(esa)], [clause105])).
% 16.02/2.98  thf(zip_derived_cl104, plain, (( (c0_1 @ a1686) | ~ (hskp64))),
% 16.02/2.98      inference('cnf', [status(esa)], [zf_stmt_65])).
% 16.02/2.98  thf('70', plain, (( (c0_1 @ a1686)) | ~ ( (hskp64))),
% 16.02/2.98      inference('split', [status(esa)], [zip_derived_cl104])).
% 16.02/2.98  thf(clause199, conjecture, (~( ( ~( hskp64 ) ) | ( ~( c3_1 @ a1686 ) ) ))).
% 16.02/2.98  thf(zf_stmt_66, negated_conjecture,
% 16.02/2.98    (( ~( hskp64 ) ) | ( ~( c3_1 @ a1686 ) )),
% 16.02/2.98    inference('cnf.neg', [status(esa)], [clause199])).
% 16.02/2.98  thf(zip_derived_cl198, plain, ((~ (hskp64) | ~ (c3_1 @ a1686))),
% 16.02/2.98      inference('cnf', [status(esa)], [zf_stmt_66])).
% 16.02/2.98  thf('71', plain, (~ ( (c3_1 @ a1686)) | ~ ( (hskp64))),
% 16.02/2.98      inference('split', [status(esa)], [zip_derived_cl198])).
% 16.02/2.98  thf(clause200, conjecture, (~( ( ~( hskp64 ) ) | ( ~( c1_1 @ a1686 ) ) ))).
% 16.02/2.98  thf(zf_stmt_67, negated_conjecture,
% 16.02/2.98    (( ~( hskp64 ) ) | ( ~( c1_1 @ a1686 ) )),
% 16.02/2.98    inference('cnf.neg', [status(esa)], [clause200])).
% 16.02/2.98  thf(zip_derived_cl199, plain, ((~ (hskp64) | ~ (c1_1 @ a1686))),
% 16.02/2.98      inference('cnf', [status(esa)], [zf_stmt_67])).
% 16.02/2.98  thf('72', plain, (~ ( (c1_1 @ a1686)) | ~ ( (hskp64))),
% 16.02/2.98      inference('split', [status(esa)], [zip_derived_cl199])).
% 16.02/2.98  thf(clause344, conjecture,
% 16.02/2.98    (~( ( hskp2 ) | ( c1_1 @ V ) | ( c3_1 @ V ) | ( c3_1 @ U ) | 
% 16.02/2.98        ( ~( c0_1 @ V ) ) | ( ~( ndr1_0 ) ) | ( ~( c0_1 @ U ) ) | 
% 16.02/2.98        ( ~( c1_1 @ U ) ) ))).
% 16.02/2.98  thf(zf_stmt_68, negated_conjecture,
% 16.02/2.98    (( hskp2 ) | ( c1_1 @ V ) | ( c3_1 @ V ) | ( c3_1 @ U ) | 
% 16.02/2.98     ( ~( c0_1 @ V ) ) | ( ~( ndr1_0 ) ) | ( ~( c0_1 @ U ) ) | 
% 16.02/2.98     ( ~( c1_1 @ U ) )),
% 16.02/2.98    inference('cnf.neg', [status(esa)], [clause344])).
% 16.02/2.98  thf(zip_derived_cl343, plain,
% 16.02/2.98      (![X0 : $i, X1 : $i]:
% 16.02/2.98         ( (hskp2)
% 16.02/2.98          |  (c1_1 @ X0)
% 16.02/2.98          |  (c3_1 @ X0)
% 16.02/2.98          |  (c3_1 @ X1)
% 16.02/2.98          | ~ (c0_1 @ X0)
% 16.02/2.98          | ~ (ndr1_0)
% 16.02/2.98          | ~ (c0_1 @ X1)
% 16.02/2.98          | ~ (c1_1 @ X1))),
% 16.02/2.98      inference('cnf', [status(esa)], [zf_stmt_68])).
% 16.02/2.98  thf(zip_derived_cl1121, plain,
% 16.02/2.98      ((![X0 : $i]: (~ (c0_1 @ X0) |  (c3_1 @ X0) |  (c1_1 @ X0)))
% 16.02/2.98         <= ((![X0 : $i]: (~ (c0_1 @ X0) |  (c3_1 @ X0) |  (c1_1 @ X0))))),
% 16.02/2.98      inference('split', [status(esa)], [zip_derived_cl343])).
% 16.02/2.98  thf(zip_derived_cl770, plain, ((~ (c1_1 @ a1686)) <= (~ ( (c1_1 @ a1686)))),
% 16.02/2.98      inference('split', [status(esa)], [zip_derived_cl199])).
% 16.02/2.98  thf(zip_derived_cl2920, plain,
% 16.02/2.98      ((( (c3_1 @ a1686) | ~ (c0_1 @ a1686)))
% 16.02/2.98         <= (~ ( (c1_1 @ a1686)) & 
% 16.02/2.98             (![X0 : $i]: (~ (c0_1 @ X0) |  (c3_1 @ X0) |  (c1_1 @ X0))))),
% 16.02/2.98      inference('s_sup-', [status(thm)],
% 16.02/2.98                [zip_derived_cl1121, zip_derived_cl770])).
% 16.02/2.98  thf('73', plain,
% 16.02/2.98      (~ (![X0 : $i]: (~ (c0_1 @ X0) |  (c3_1 @ X0) |  (c1_1 @ X0))) | 
% 16.02/2.98       ( (c3_1 @ a1686)) | ( (c1_1 @ a1686)) | ~ ( (c0_1 @ a1686))),
% 16.02/2.98      inference('split', [status(esa)], [zip_derived_cl2920])).
% 16.02/2.98  thf(zip_derived_cl1141, plain,
% 16.02/2.98      ((![X0 : $i]: (~ (c3_1 @ X0) | ~ (c2_1 @ X0) |  (c1_1 @ X0)))
% 16.02/2.98         <= ((![X0 : $i]: (~ (c3_1 @ X0) | ~ (c2_1 @ X0) |  (c1_1 @ X0))))),
% 16.02/2.98      inference('split', [status(esa)], [zip_derived_cl348])).
% 16.02/2.98  thf(clause229, conjecture, (~( ( ~( hskp39 ) ) | ( ~( c1_1 @ a1721 ) ) ))).
% 16.02/2.98  thf(zf_stmt_69, negated_conjecture,
% 16.02/2.98    (( ~( hskp39 ) ) | ( ~( c1_1 @ a1721 ) )),
% 16.02/2.98    inference('cnf.neg', [status(esa)], [clause229])).
% 16.02/2.98  thf(zip_derived_cl228, plain, ((~ (hskp39) | ~ (c1_1 @ a1721))),
% 16.02/2.98      inference('cnf', [status(esa)], [zf_stmt_69])).
% 16.02/2.98  thf(zip_derived_cl828, plain, ((~ (c1_1 @ a1721)) <= (~ ( (c1_1 @ a1721)))),
% 16.02/2.98      inference('split', [status(esa)], [zip_derived_cl228])).
% 16.02/2.98  thf(zip_derived_cl2395, plain,
% 16.02/2.98      (((~ (c2_1 @ a1721) | ~ (c3_1 @ a1721)))
% 16.02/2.98         <= (~ ( (c1_1 @ a1721)) & 
% 16.02/2.98             (![X0 : $i]: (~ (c3_1 @ X0) | ~ (c2_1 @ X0) |  (c1_1 @ X0))))),
% 16.02/2.98      inference('s_sup-', [status(thm)],
% 16.02/2.98                [zip_derived_cl1141, zip_derived_cl828])).
% 16.02/2.98  thf(zip_derived_cl3922, plain, ((~ (c2_1 @ a1721)) <= (~ ( (c2_1 @ a1721)))),
% 16.02/2.98      inference('split', [status(esa)], [zip_derived_cl2395])).
% 16.02/2.98  thf(zip_derived_cl1185, plain,
% 16.02/2.98      ((![X1 : $i]: ( (c2_1 @ X1) |  (c0_1 @ X1) | ~ (c3_1 @ X1)))
% 16.02/2.98         <= ((![X1 : $i]: ( (c2_1 @ X1) |  (c0_1 @ X1) | ~ (c3_1 @ X1))))),
% 16.02/2.98      inference('split', [status(esa)], [zip_derived_cl359])).
% 16.02/2.98  thf(zip_derived_cl3927, plain,
% 16.02/2.98      ((( (c0_1 @ a1721) | ~ (c3_1 @ a1721)))
% 16.02/2.98         <= (~ ( (c2_1 @ a1721)) & 
% 16.02/2.98             (![X1 : $i]: ( (c2_1 @ X1) |  (c0_1 @ X1) | ~ (c3_1 @ X1))))),
% 16.02/2.98      inference('s_sup+', [status(thm)],
% 16.02/2.98                [zip_derived_cl3922, zip_derived_cl1185])).
% 16.02/2.98  thf('74', plain,
% 16.02/2.98      (( (c0_1 @ a1721)) | ( (c2_1 @ a1721)) | 
% 16.02/2.98       ~ (![X1 : $i]: ( (c2_1 @ X1) |  (c0_1 @ X1) | ~ (c3_1 @ X1))) | 
% 16.02/2.98       ~ ( (c3_1 @ a1721))),
% 16.02/2.98      inference('split', [status(esa)], [zip_derived_cl3927])).
% 16.02/2.98  thf('75', plain,
% 16.02/2.98      (( (c1_1 @ a1721)) | ~ ( (c2_1 @ a1721)) | 
% 16.02/2.98       ~ (![X0 : $i]: (~ (c3_1 @ X0) | ~ (c2_1 @ X0) |  (c1_1 @ X0))) | 
% 16.02/2.98       ~ ( (c3_1 @ a1721))),
% 16.02/2.98      inference('split', [status(esa)], [zip_derived_cl2395])).
% 16.02/2.98  thf(clause353, conjecture,
% 16.02/2.98    (~( ( hskp39 ) | ( c0_1 @ V ) | ( c2_1 @ U ) | ( ~( c2_1 @ V ) ) | 
% 16.02/2.98        ( ~( c3_1 @ V ) ) | ( ~( ndr1_0 ) ) | ( ~( c3_1 @ U ) ) | 
% 16.02/2.98        ( ~( c0_1 @ U ) ) ))).
% 16.02/2.98  thf(zf_stmt_70, negated_conjecture,
% 16.02/2.98    (( hskp39 ) | ( c0_1 @ V ) | ( c2_1 @ U ) | ( ~( c2_1 @ V ) ) | 
% 16.02/2.98     ( ~( c3_1 @ V ) ) | ( ~( ndr1_0 ) ) | ( ~( c3_1 @ U ) ) | 
% 16.02/2.98     ( ~( c0_1 @ U ) )),
% 16.02/2.98    inference('cnf.neg', [status(esa)], [clause353])).
% 16.02/2.98  thf(zip_derived_cl352, plain,
% 16.02/2.98      (![X0 : $i, X1 : $i]:
% 16.02/2.98         ( (hskp39)
% 16.02/2.98          |  (c0_1 @ X0)
% 16.02/2.98          |  (c2_1 @ X1)
% 16.02/2.98          | ~ (c2_1 @ X0)
% 16.02/2.98          | ~ (c3_1 @ X0)
% 16.02/2.98          | ~ (ndr1_0)
% 16.02/2.98          | ~ (c3_1 @ X1)
% 16.02/2.98          | ~ (c0_1 @ X1))),
% 16.02/2.98      inference('cnf', [status(esa)], [zf_stmt_70])).
% 16.02/2.98  thf('76', plain,
% 16.02/2.98      (( (hskp39)) | 
% 16.02/2.98       (![X0 : $i]: (~ (c0_1 @ X0) | ~ (c3_1 @ X0) |  (c2_1 @ X0))) | 
% 16.02/2.98       ~ ( (ndr1_0)) | 
% 16.02/2.98       (![X1 : $i]: (~ (c2_1 @ X1) |  (c0_1 @ X1) | ~ (c3_1 @ X1)))),
% 16.02/2.98      inference('split', [status(esa)], [zip_derived_cl352])).
% 16.02/2.98  thf(zip_derived_cl1116, plain,
% 16.02/2.98      ((![X1 : $i]: (~ (c2_1 @ X1) |  (c0_1 @ X1) | ~ (c3_1 @ X1)))
% 16.02/2.98         <= ((![X1 : $i]: (~ (c2_1 @ X1) |  (c0_1 @ X1) | ~ (c3_1 @ X1))))),
% 16.02/2.98      inference('split', [status(esa)], [zip_derived_cl342])).
% 16.02/2.98  thf(clause106, conjecture, (~( ( c2_1 @ a1676 ) | ( ~( hskp63 ) ) ))).
% 16.02/2.98  thf(zf_stmt_71, negated_conjecture, (( c2_1 @ a1676 ) | ( ~( hskp63 ) )),
% 16.02/2.98    inference('cnf.neg', [status(esa)], [clause106])).
% 16.02/2.98  thf(zip_derived_cl105, plain, (( (c2_1 @ a1676) | ~ (hskp63))),
% 16.02/2.98      inference('cnf', [status(esa)], [zf_stmt_71])).
% 16.02/2.98  thf(zip_derived_cl582, plain, (( (c2_1 @ a1676)) <= (( (c2_1 @ a1676)))),
% 16.02/2.98      inference('split', [status(esa)], [zip_derived_cl105])).
% 16.02/2.98  thf(zip_derived_cl1834, plain,
% 16.02/2.98      (((~ (c3_1 @ a1676) |  (c0_1 @ a1676)))
% 16.02/2.98         <= (( (c2_1 @ a1676)) & 
% 16.02/2.98             (![X1 : $i]: (~ (c2_1 @ X1) |  (c0_1 @ X1) | ~ (c3_1 @ X1))))),
% 16.02/2.98      inference('s_sup+', [status(thm)],
% 16.02/2.98                [zip_derived_cl1116, zip_derived_cl582])).
% 16.02/2.98  thf('77', plain,
% 16.02/2.98      (~ ( (c2_1 @ a1676)) | ( (c0_1 @ a1676)) | 
% 16.02/2.98       ~ (![X1 : $i]: (~ (c2_1 @ X1) |  (c0_1 @ X1) | ~ (c3_1 @ X1))) | 
% 16.02/2.98       ~ ( (c3_1 @ a1676))),
% 16.02/2.98      inference('split', [status(esa)], [zip_derived_cl1834])).
% 16.02/2.98  thf('78', plain, (( (c2_1 @ a1676)) | ~ ( (hskp63))),
% 16.02/2.98      inference('split', [status(esa)], [zip_derived_cl105])).
% 16.02/2.98  thf(clause355, conjecture,
% 16.02/2.98    (~( ( hskp63 ) | ( c1_1 @ V ) | ( ~( c3_1 @ V ) ) | ( ~( c0_1 @ V ) ) | 
% 16.02/2.98        ( ~( ndr1_0 ) ) | ( ~( c3_1 @ U ) ) | ( ~( c1_1 @ U ) ) | 
% 16.02/2.98        ( ~( c2_1 @ U ) ) ))).
% 16.02/2.98  thf(zf_stmt_72, negated_conjecture,
% 16.02/2.98    (( hskp63 ) | ( c1_1 @ V ) | ( ~( c3_1 @ V ) ) | ( ~( c0_1 @ V ) ) | 
% 16.02/2.98     ( ~( ndr1_0 ) ) | ( ~( c3_1 @ U ) ) | ( ~( c1_1 @ U ) ) | 
% 16.02/2.98     ( ~( c2_1 @ U ) )),
% 16.02/2.98    inference('cnf.neg', [status(esa)], [clause355])).
% 16.02/2.98  thf(zip_derived_cl354, plain,
% 16.02/2.98      (![X0 : $i, X1 : $i]:
% 16.02/2.98         ( (hskp63)
% 16.02/2.98          |  (c1_1 @ X0)
% 16.02/2.98          | ~ (c3_1 @ X0)
% 16.02/2.98          | ~ (c0_1 @ X0)
% 16.02/2.98          | ~ (ndr1_0)
% 16.02/2.98          | ~ (c3_1 @ X1)
% 16.02/2.98          | ~ (c1_1 @ X1)
% 16.02/2.98          | ~ (c2_1 @ X1))),
% 16.02/2.98      inference('cnf', [status(esa)], [zf_stmt_72])).
% 16.02/2.98  thf('79', plain,
% 16.02/2.98      (( (hskp63)) | 
% 16.02/2.98       (![X0 : $i]: (~ (c3_1 @ X0) | ~ (c2_1 @ X0) | ~ (c1_1 @ X0))) | 
% 16.02/2.98       ~ ( (ndr1_0)) | 
% 16.02/2.98       (![X0 : $i]: (~ (c0_1 @ X0) | ~ (c3_1 @ X0) |  (c1_1 @ X0)))),
% 16.02/2.98      inference('split', [status(esa)], [zip_derived_cl354])).
% 16.02/2.98  thf(clause139, conjecture, (~( ( c3_1 @ a1640 ) | ( ~( hskp44 ) ) ))).
% 16.02/2.98  thf(zf_stmt_73, negated_conjecture, (( c3_1 @ a1640 ) | ( ~( hskp44 ) )),
% 16.02/2.98    inference('cnf.neg', [status(esa)], [clause139])).
% 16.02/2.98  thf(zip_derived_cl138, plain, (( (c3_1 @ a1640) | ~ (hskp44))),
% 16.02/2.98      inference('cnf', [status(esa)], [zf_stmt_73])).
% 16.02/2.98  thf('80', plain, (~ ( (hskp44)) | ( (c3_1 @ a1640))),
% 16.02/2.98      inference('split', [status(esa)], [zip_derived_cl138])).
% 16.02/2.98  thf(clause140, conjecture, (~( ( c2_1 @ a1640 ) | ( ~( hskp44 ) ) ))).
% 16.02/2.98  thf(zf_stmt_74, negated_conjecture, (( c2_1 @ a1640 ) | ( ~( hskp44 ) )),
% 16.02/2.98    inference('cnf.neg', [status(esa)], [clause140])).
% 16.02/2.98  thf(zip_derived_cl139, plain, (( (c2_1 @ a1640) | ~ (hskp44))),
% 16.02/2.98      inference('cnf', [status(esa)], [zf_stmt_74])).
% 16.02/2.98  thf('81', plain, (~ ( (hskp44)) | ( (c2_1 @ a1640))),
% 16.02/2.98      inference('split', [status(esa)], [zip_derived_cl139])).
% 16.02/2.98  thf(clause141, conjecture, (~( ( c1_1 @ a1640 ) | ( ~( hskp44 ) ) ))).
% 16.02/2.98  thf(zf_stmt_75, negated_conjecture, (( c1_1 @ a1640 ) | ( ~( hskp44 ) )),
% 16.02/2.98    inference('cnf.neg', [status(esa)], [clause141])).
% 16.02/2.98  thf(zip_derived_cl140, plain, (( (c1_1 @ a1640) | ~ (hskp44))),
% 16.02/2.98      inference('cnf', [status(esa)], [zf_stmt_75])).
% 16.02/2.98  thf('82', plain, (( (c1_1 @ a1640)) | ~ ( (hskp44))),
% 16.02/2.98      inference('split', [status(esa)], [zip_derived_cl140])).
% 16.02/2.98  thf(zip_derived_cl652, plain, (( (c1_1 @ a1640)) <= (( (c1_1 @ a1640)))),
% 16.02/2.98      inference('split', [status(esa)], [zip_derived_cl140])).
% 16.02/2.98  thf(zip_derived_cl1072, plain,
% 16.02/2.98      ((![X0 : $i]: (~ (c3_1 @ X0) | ~ (c2_1 @ X0) | ~ (c1_1 @ X0)))
% 16.02/2.98         <= ((![X0 : $i]: (~ (c3_1 @ X0) | ~ (c2_1 @ X0) | ~ (c1_1 @ X0))))),
% 16.02/2.98      inference('split', [status(esa)], [zip_derived_cl331])).
% 16.02/2.98  thf(zip_derived_cl1481, plain,
% 16.02/2.98      (((~ (c3_1 @ a1640) | ~ (c2_1 @ a1640)))
% 16.02/2.98         <= (( (c1_1 @ a1640)) & 
% 16.02/2.98             (![X0 : $i]: (~ (c3_1 @ X0) | ~ (c2_1 @ X0) | ~ (c1_1 @ X0))))),
% 16.02/2.98      inference('s_sup-', [status(thm)],
% 16.02/2.98                [zip_derived_cl652, zip_derived_cl1072])).
% 16.02/2.98  thf('83', plain,
% 16.02/2.98      (~ ( (c3_1 @ a1640)) | ~ ( (c2_1 @ a1640)) | 
% 16.02/2.98       ~ (![X0 : $i]: (~ (c3_1 @ X0) | ~ (c2_1 @ X0) | ~ (c1_1 @ X0))) | 
% 16.02/2.98       ~ ( (c1_1 @ a1640))),
% 16.02/2.98      inference('split', [status(esa)], [zip_derived_cl1481])).
% 16.02/2.98  thf(clause77, conjecture, (~( ( hskp45 ) | ( hskp44 ) | ( hskp43 ) ))).
% 16.02/2.98  thf(zf_stmt_76, negated_conjecture, (( hskp45 ) | ( hskp44 ) | ( hskp43 )),
% 16.02/2.98    inference('cnf.neg', [status(esa)], [clause77])).
% 16.02/2.98  thf(zip_derived_cl76, plain, (( (hskp45) |  (hskp44) |  (hskp43))),
% 16.02/2.98      inference('cnf', [status(esa)], [zf_stmt_76])).
% 16.02/2.98  thf('84', plain, (( (hskp45)) | ( (hskp44)) | ( (hskp43))),
% 16.02/2.98      inference('split', [status(esa)], [zip_derived_cl76])).
% 16.02/2.98  thf(zip_derived_cl1141, plain,
% 16.02/2.98      ((![X0 : $i]: (~ (c3_1 @ X0) | ~ (c2_1 @ X0) |  (c1_1 @ X0)))
% 16.02/2.98         <= ((![X0 : $i]: (~ (c3_1 @ X0) | ~ (c2_1 @ X0) |  (c1_1 @ X0))))),
% 16.02/2.98      inference('split', [status(esa)], [zip_derived_cl348])).
% 16.02/2.98  thf(clause225, conjecture, (~( ( ~( hskp43 ) ) | ( ~( c1_1 @ a1639 ) ) ))).
% 16.02/2.98  thf(zf_stmt_77, negated_conjecture,
% 16.02/2.98    (( ~( hskp43 ) ) | ( ~( c1_1 @ a1639 ) )),
% 16.02/2.98    inference('cnf.neg', [status(esa)], [clause225])).
% 16.02/2.98  thf(zip_derived_cl224, plain, ((~ (hskp43) | ~ (c1_1 @ a1639))),
% 16.02/2.98      inference('cnf', [status(esa)], [zf_stmt_77])).
% 16.02/2.98  thf(zip_derived_cl820, plain, ((~ (c1_1 @ a1639)) <= (~ ( (c1_1 @ a1639)))),
% 16.02/2.98      inference('split', [status(esa)], [zip_derived_cl224])).
% 16.02/2.98  thf(zip_derived_cl2393, plain,
% 16.02/2.98      (((~ (c2_1 @ a1639) | ~ (c3_1 @ a1639)))
% 16.02/2.98         <= (~ ( (c1_1 @ a1639)) & 
% 16.02/2.98             (![X0 : $i]: (~ (c3_1 @ X0) | ~ (c2_1 @ X0) |  (c1_1 @ X0))))),
% 16.02/2.98      inference('s_sup-', [status(thm)],
% 16.02/2.98                [zip_derived_cl1141, zip_derived_cl820])).
% 16.02/2.98  thf('85', plain,
% 16.02/2.98      (~ ( (c3_1 @ a1639)) | ( (c1_1 @ a1639)) | 
% 16.02/2.98       ~ (![X0 : $i]: (~ (c3_1 @ X0) | ~ (c2_1 @ X0) |  (c1_1 @ X0))) | 
% 16.02/2.98       ~ ( (c2_1 @ a1639))),
% 16.02/2.98      inference('split', [status(esa)], [zip_derived_cl2393])).
% 16.02/2.98  thf(clause142, conjecture, (~( ( c2_1 @ a1639 ) | ( ~( hskp43 ) ) ))).
% 16.02/2.98  thf(zf_stmt_78, negated_conjecture, (( c2_1 @ a1639 ) | ( ~( hskp43 ) )),
% 16.02/2.98    inference('cnf.neg', [status(esa)], [clause142])).
% 16.02/2.98  thf(zip_derived_cl141, plain, (( (c2_1 @ a1639) | ~ (hskp43))),
% 16.02/2.98      inference('cnf', [status(esa)], [zf_stmt_78])).
% 16.02/2.98  thf('86', plain, (( (c2_1 @ a1639)) | ~ ( (hskp43))),
% 16.02/2.98      inference('split', [status(esa)], [zip_derived_cl141])).
% 16.02/2.98  thf('87', plain, (~ ( (c1_1 @ a1639)) | ~ ( (hskp43))),
% 16.02/2.98      inference('split', [status(esa)], [zip_derived_cl224])).
% 16.02/2.98  thf(zip_derived_cl1012, plain,
% 16.02/2.98      ((![X0 : $i]: ( (c3_1 @ X0) | ~ (c2_1 @ X0) |  (c1_1 @ X0)))
% 16.02/2.98         <= ((![X0 : $i]: ( (c3_1 @ X0) | ~ (c2_1 @ X0) |  (c1_1 @ X0))))),
% 16.02/2.98      inference('split', [status(esa)], [zip_derived_cl316])).
% 16.02/2.98  thf(zip_derived_cl820, plain, ((~ (c1_1 @ a1639)) <= (~ ( (c1_1 @ a1639)))),
% 16.02/2.98      inference('split', [status(esa)], [zip_derived_cl224])).
% 16.02/2.98  thf(zip_derived_cl2241, plain,
% 16.02/2.98      (((~ (c2_1 @ a1639) |  (c3_1 @ a1639)))
% 16.02/2.98         <= (~ ( (c1_1 @ a1639)) & 
% 16.02/2.98             (![X0 : $i]: ( (c3_1 @ X0) | ~ (c2_1 @ X0) |  (c1_1 @ X0))))),
% 16.02/2.98      inference('s_sup-', [status(thm)],
% 16.02/2.98                [zip_derived_cl1012, zip_derived_cl820])).
% 16.02/2.98  thf('88', plain,
% 16.02/2.98      (~ (![X0 : $i]: ( (c3_1 @ X0) | ~ (c2_1 @ X0) |  (c1_1 @ X0))) | 
% 16.02/2.98       ( (c3_1 @ a1639)) | ( (c1_1 @ a1639)) | ~ ( (c2_1 @ a1639))),
% 16.02/2.98      inference('split', [status(esa)], [zip_derived_cl2241])).
% 16.02/2.98  thf(zip_derived_cl2281, plain,
% 16.02/2.98      ((![X0 : $i]: ( (c3_1 @ X0) | ~ (c2_1 @ X0)))
% 16.02/2.98         <= ((![X0 : $i]: ( (c3_1 @ X0) | ~ (c2_1 @ X0) |  (c1_1 @ X0))) & 
% 16.02/2.98             (![X0 : $i]: ( (c3_1 @ X0) | ~ (c2_1 @ X0) | ~ (c1_1 @ X0))))),
% 16.02/2.98      inference('simplify', [status(thm)], [zip_derived_cl2275])).
% 16.02/2.98  thf(zip_derived_cl578, plain, (( (c2_1 @ a1687)) <= (( (c2_1 @ a1687)))),
% 16.02/2.98      inference('split', [status(esa)], [zip_derived_cl103])).
% 16.02/2.98  thf(zip_derived_cl4463, plain,
% 16.02/2.98      (( (c3_1 @ a1687))
% 16.02/2.98         <= (( (c2_1 @ a1687)) & 
% 16.02/2.98             (![X0 : $i]: ( (c3_1 @ X0) | ~ (c2_1 @ X0) |  (c1_1 @ X0))) & 
% 16.02/2.98             (![X0 : $i]: ( (c3_1 @ X0) | ~ (c2_1 @ X0) | ~ (c1_1 @ X0))))),
% 16.02/2.98      inference('s_sup+', [status(thm)],
% 16.02/2.98                [zip_derived_cl2281, zip_derived_cl578])).
% 16.02/2.98  thf(zip_derived_cl764, plain, ((~ (c3_1 @ a1687)) <= (~ ( (c3_1 @ a1687)))),
% 16.02/2.98      inference('split', [status(esa)], [zip_derived_cl196])).
% 16.02/2.98  thf('89', plain,
% 16.02/2.98      (~ (![X0 : $i]: ( (c3_1 @ X0) | ~ (c2_1 @ X0) |  (c1_1 @ X0))) | 
% 16.02/2.98       ( (c3_1 @ a1687)) | ~ ( (c2_1 @ a1687)) | 
% 16.02/2.98       ~ (![X0 : $i]: ( (c3_1 @ X0) | ~ (c2_1 @ X0) | ~ (c1_1 @ X0)))),
% 16.02/2.98      inference('s_sup-', [status(thm)],
% 16.02/2.98                [zip_derived_cl4463, zip_derived_cl764])).
% 16.02/2.98  thf(zip_derived_cl1012, plain,
% 16.02/2.98      ((![X0 : $i]: ( (c3_1 @ X0) | ~ (c2_1 @ X0) |  (c1_1 @ X0)))
% 16.02/2.98         <= ((![X0 : $i]: ( (c3_1 @ X0) | ~ (c2_1 @ X0) |  (c1_1 @ X0))))),
% 16.02/2.98      inference('split', [status(esa)], [zip_derived_cl316])).
% 16.02/2.98  thf(clause307, conjecture, (~( ( ~( hskp2 ) ) | ( ~( c1_1 @ a1645 ) ) ))).
% 16.02/2.98  thf(zf_stmt_79, negated_conjecture, (( ~( hskp2 ) ) | ( ~( c1_1 @ a1645 ) )),
% 16.02/2.98    inference('cnf.neg', [status(esa)], [clause307])).
% 16.02/2.98  thf(zip_derived_cl306, plain, ((~ (hskp2) | ~ (c1_1 @ a1645))),
% 16.02/2.98      inference('cnf', [status(esa)], [zf_stmt_79])).
% 16.02/2.98  thf(zip_derived_cl984, plain, ((~ (c1_1 @ a1645)) <= (~ ( (c1_1 @ a1645)))),
% 16.02/2.98      inference('split', [status(esa)], [zip_derived_cl306])).
% 16.02/2.98  thf(zip_derived_cl2269, plain,
% 16.02/2.98      (((~ (c2_1 @ a1645) |  (c3_1 @ a1645)))
% 16.02/2.98         <= (~ ( (c1_1 @ a1645)) & 
% 16.02/2.98             (![X0 : $i]: ( (c3_1 @ X0) | ~ (c2_1 @ X0) |  (c1_1 @ X0))))),
% 16.02/2.98      inference('s_sup-', [status(thm)],
% 16.02/2.98                [zip_derived_cl1012, zip_derived_cl984])).
% 16.02/2.98  thf('90', plain,
% 16.02/2.98      (~ (![X0 : $i]: ( (c3_1 @ X0) | ~ (c2_1 @ X0) |  (c1_1 @ X0))) | 
% 16.02/2.98       ~ ( (c2_1 @ a1645)) | ( (c1_1 @ a1645)) | ( (c3_1 @ a1645))),
% 16.02/2.98      inference('split', [status(esa)], [zip_derived_cl2269])).
% 16.02/2.98  thf('91', plain, (~ ( (c1_1 @ a1645)) | ~ ( (hskp2))),
% 16.02/2.98      inference('split', [status(esa)], [zip_derived_cl306])).
% 16.02/2.98  thf(clause308, conjecture, (~( ( ~( hskp2 ) ) | ( ~( c0_1 @ a1645 ) ) ))).
% 16.02/2.98  thf(zf_stmt_80, negated_conjecture, (( ~( hskp2 ) ) | ( ~( c0_1 @ a1645 ) )),
% 16.02/2.98    inference('cnf.neg', [status(esa)], [clause308])).
% 16.02/2.98  thf(zip_derived_cl307, plain, ((~ (hskp2) | ~ (c0_1 @ a1645))),
% 16.02/2.98      inference('cnf', [status(esa)], [zf_stmt_80])).
% 16.02/2.98  thf('92', plain, (~ ( (c0_1 @ a1645)) | ~ ( (hskp2))),
% 16.02/2.98      inference('split', [status(esa)], [zip_derived_cl307])).
% 16.02/2.98  thf(clause309, conjecture, (~( ( ~( hskp2 ) ) | ( ~( c3_1 @ a1645 ) ) ))).
% 16.02/2.98  thf(zf_stmt_81, negated_conjecture, (( ~( hskp2 ) ) | ( ~( c3_1 @ a1645 ) )),
% 16.02/2.98    inference('cnf.neg', [status(esa)], [clause309])).
% 16.02/2.98  thf(zip_derived_cl308, plain, ((~ (hskp2) | ~ (c3_1 @ a1645))),
% 16.02/2.98      inference('cnf', [status(esa)], [zf_stmt_81])).
% 16.02/2.98  thf('93', plain, (~ ( (c3_1 @ a1645)) | ~ ( (hskp2))),
% 16.02/2.98      inference('split', [status(esa)], [zip_derived_cl308])).
% 16.02/2.98  thf('94', plain,
% 16.02/2.98      (( (hskp2)) | 
% 16.02/2.98       (![X0 : $i]: (~ (c0_1 @ X0) |  (c3_1 @ X0) | ~ (c1_1 @ X0))) | 
% 16.02/2.98       ~ ( (ndr1_0)) | 
% 16.02/2.98       (![X0 : $i]: (~ (c0_1 @ X0) |  (c3_1 @ X0) |  (c1_1 @ X0)))),
% 16.02/2.98      inference('split', [status(esa)], [zip_derived_cl343])).
% 16.02/2.98  thf(zip_derived_cl1060, plain,
% 16.02/2.98      ((![X0 : $i]: (~ (c0_1 @ X0) |  (c3_1 @ X0) | ~ (c1_1 @ X0)))
% 16.02/2.98         <= ((![X0 : $i]: (~ (c0_1 @ X0) |  (c3_1 @ X0) | ~ (c1_1 @ X0))))),
% 16.02/2.98      inference('split', [status(esa)], [zip_derived_cl328])).
% 16.02/2.98  thf(clause108, conjecture, (~( ( c1_1 @ a1675 ) | ( ~( hskp62 ) ) ))).
% 16.02/2.98  thf(zf_stmt_82, negated_conjecture, (( c1_1 @ a1675 ) | ( ~( hskp62 ) )),
% 16.02/2.98    inference('cnf.neg', [status(esa)], [clause108])).
% 16.02/2.98  thf(zip_derived_cl107, plain, (( (c1_1 @ a1675) | ~ (hskp62))),
% 16.02/2.98      inference('cnf', [status(esa)], [zf_stmt_82])).
% 16.02/2.98  thf(zip_derived_cl586, plain, (( (c1_1 @ a1675)) <= (( (c1_1 @ a1675)))),
% 16.02/2.98      inference('split', [status(esa)], [zip_derived_cl107])).
% 16.02/2.98  thf(zip_derived_cl1798, plain,
% 16.02/2.98      ((( (c3_1 @ a1675) | ~ (c0_1 @ a1675)))
% 16.02/2.98         <= (( (c1_1 @ a1675)) & 
% 16.02/2.98             (![X0 : $i]: (~ (c0_1 @ X0) |  (c3_1 @ X0) | ~ (c1_1 @ X0))))),
% 16.02/2.98      inference('s_sup+', [status(thm)],
% 16.02/2.98                [zip_derived_cl1060, zip_derived_cl586])).
% 16.02/2.98  thf('95', plain,
% 16.02/2.98      (~ ( (c1_1 @ a1675)) | ~ ( (c0_1 @ a1675)) | 
% 16.02/2.98       ~ (![X0 : $i]: (~ (c0_1 @ X0) |  (c3_1 @ X0) | ~ (c1_1 @ X0))) | 
% 16.02/2.98       ( (c3_1 @ a1675))),
% 16.02/2.98      inference('split', [status(esa)], [zip_derived_cl1798])).
% 16.02/2.98  thf('96', plain, (( (c2_1 @ a1716)) | ~ ( (hskp73))),
% 16.02/2.98      inference('split', [status(esa)], [zip_derived_cl88])).
% 16.02/2.98  thf(clause90, conjecture, (~( ( c0_1 @ a1716 ) | ( ~( hskp73 ) ) ))).
% 16.02/2.98  thf(zf_stmt_83, negated_conjecture, (( c0_1 @ a1716 ) | ( ~( hskp73 ) )),
% 16.02/2.98    inference('cnf.neg', [status(esa)], [clause90])).
% 16.02/2.98  thf(zip_derived_cl89, plain, (( (c0_1 @ a1716) | ~ (hskp73))),
% 16.02/2.98      inference('cnf', [status(esa)], [zf_stmt_83])).
% 16.02/2.98  thf('97', plain, (( (c0_1 @ a1716)) | ~ ( (hskp73))),
% 16.02/2.98      inference('split', [status(esa)], [zip_derived_cl89])).
% 16.02/2.98  thf('98', plain, (~ ( (c3_1 @ a1716)) | ~ ( (hskp73))),
% 16.02/2.98      inference('split', [status(esa)], [zip_derived_cl187])).
% 16.02/2.98  thf(clause322, conjecture,
% 16.02/2.98    (~( ( hskp42 ) | ( hskp0 ) | ( c3_1 @ U ) | ( ~( ndr1_0 ) ) | 
% 16.02/2.98        ( ~( c0_1 @ U ) ) | ( ~( c2_1 @ U ) ) ))).
% 16.02/2.98  thf(zf_stmt_84, negated_conjecture,
% 16.02/2.98    (( hskp42 ) | ( hskp0 ) | ( c3_1 @ U ) | ( ~( ndr1_0 ) ) | 
% 16.02/2.98     ( ~( c0_1 @ U ) ) | ( ~( c2_1 @ U ) )),
% 16.02/2.98    inference('cnf.neg', [status(esa)], [clause322])).
% 16.02/2.98  thf(zip_derived_cl321, plain,
% 16.02/2.98      (![X0 : $i]:
% 16.02/2.98         ( (hskp42)
% 16.02/2.98          |  (hskp0)
% 16.02/2.98          |  (c3_1 @ X0)
% 16.02/2.98          | ~ (ndr1_0)
% 16.02/2.98          | ~ (c0_1 @ X0)
% 16.02/2.98          | ~ (c2_1 @ X0))),
% 16.02/2.98      inference('cnf', [status(esa)], [zf_stmt_84])).
% 16.02/2.98  thf(zip_derived_cl1032, plain,
% 16.02/2.98      ((![X0 : $i]: (~ (c0_1 @ X0) |  (c3_1 @ X0) | ~ (c2_1 @ X0)))
% 16.02/2.98         <= ((![X0 : $i]: (~ (c0_1 @ X0) |  (c3_1 @ X0) | ~ (c2_1 @ X0))))),
% 16.02/2.98      inference('split', [status(esa)], [zip_derived_cl321])).
% 16.02/2.98  thf(zip_derived_cl548, plain, (( (c2_1 @ a1716)) <= (( (c2_1 @ a1716)))),
% 16.02/2.98      inference('split', [status(esa)], [zip_derived_cl88])).
% 16.02/2.98  thf(zip_derived_cl1649, plain,
% 16.02/2.98      ((( (c3_1 @ a1716) | ~ (c0_1 @ a1716)))
% 16.02/2.98         <= (( (c2_1 @ a1716)) & 
% 16.02/2.98             (![X0 : $i]: (~ (c0_1 @ X0) |  (c3_1 @ X0) | ~ (c2_1 @ X0))))),
% 16.02/2.98      inference('s_sup+', [status(thm)],
% 16.02/2.98                [zip_derived_cl1032, zip_derived_cl548])).
% 16.02/2.98  thf('99', plain,
% 16.02/2.98      (~ ( (c0_1 @ a1716)) | ( (c3_1 @ a1716)) | 
% 16.02/2.98       ~ (![X0 : $i]: (~ (c0_1 @ X0) |  (c3_1 @ X0) | ~ (c2_1 @ X0))) | 
% 16.02/2.98       ~ ( (c2_1 @ a1716))),
% 16.02/2.98      inference('split', [status(esa)], [zip_derived_cl1649])).
% 16.02/2.98  thf('100', plain, (( (c1_1 @ a1675)) | ~ ( (hskp62))),
% 16.02/2.98      inference('split', [status(esa)], [zip_derived_cl107])).
% 16.02/2.98  thf(clause109, conjecture, (~( ( c0_1 @ a1675 ) | ( ~( hskp62 ) ) ))).
% 16.02/2.98  thf(zf_stmt_85, negated_conjecture, (( c0_1 @ a1675 ) | ( ~( hskp62 ) )),
% 16.02/2.98    inference('cnf.neg', [status(esa)], [clause109])).
% 16.02/2.98  thf(zip_derived_cl108, plain, (( (c0_1 @ a1675) | ~ (hskp62))),
% 16.02/2.98      inference('cnf', [status(esa)], [zf_stmt_85])).
% 16.02/2.98  thf('101', plain, (( (c0_1 @ a1675)) | ~ ( (hskp62))),
% 16.02/2.98      inference('split', [status(esa)], [zip_derived_cl108])).
% 16.02/2.98  thf(clause202, conjecture, (~( ( ~( hskp62 ) ) | ( ~( c3_1 @ a1675 ) ) ))).
% 16.02/2.98  thf(zf_stmt_86, negated_conjecture,
% 16.02/2.98    (( ~( hskp62 ) ) | ( ~( c3_1 @ a1675 ) )),
% 16.02/2.98    inference('cnf.neg', [status(esa)], [clause202])).
% 16.02/2.98  thf(zip_derived_cl201, plain, ((~ (hskp62) | ~ (c3_1 @ a1675))),
% 16.02/2.98      inference('cnf', [status(esa)], [zf_stmt_86])).
% 16.02/2.98  thf('102', plain, (~ ( (c3_1 @ a1675)) | ~ ( (hskp62))),
% 16.02/2.98      inference('split', [status(esa)], [zip_derived_cl201])).
% 16.02/2.98  thf(clause351, conjecture,
% 16.02/2.98    (~( ( hskp73 ) | ( c0_1 @ V ) | ( c1_1 @ U ) | ( ~( c3_1 @ V ) ) | 
% 16.02/2.98        ( ~( c1_1 @ V ) ) | ( ~( ndr1_0 ) ) | ( ~( c2_1 @ U ) ) | 
% 16.02/2.98        ( ~( c3_1 @ U ) ) ))).
% 16.02/2.98  thf(zf_stmt_87, negated_conjecture,
% 16.02/2.98    (( hskp73 ) | ( c0_1 @ V ) | ( c1_1 @ U ) | ( ~( c3_1 @ V ) ) | 
% 16.02/2.98     ( ~( c1_1 @ V ) ) | ( ~( ndr1_0 ) ) | ( ~( c2_1 @ U ) ) | 
% 16.02/2.98     ( ~( c3_1 @ U ) )),
% 16.02/2.98    inference('cnf.neg', [status(esa)], [clause351])).
% 16.02/2.98  thf(zip_derived_cl350, plain,
% 16.02/2.98      (![X0 : $i, X1 : $i]:
% 16.02/2.98         ( (hskp73)
% 16.02/2.98          |  (c0_1 @ X0)
% 16.02/2.98          |  (c1_1 @ X1)
% 16.02/2.98          | ~ (c3_1 @ X0)
% 16.02/2.98          | ~ (c1_1 @ X0)
% 16.02/2.98          | ~ (ndr1_0)
% 16.02/2.98          | ~ (c2_1 @ X1)
% 16.02/2.98          | ~ (c3_1 @ X1))),
% 16.02/2.98      inference('cnf', [status(esa)], [zf_stmt_87])).
% 16.02/2.98  thf('103', plain,
% 16.02/2.98      ((![X0 : $i]: ( (c0_1 @ X0) | ~ (c3_1 @ X0) | ~ (c1_1 @ X0))) | 
% 16.02/2.98       ( (hskp73)) | ~ ( (ndr1_0)) | 
% 16.02/2.98       (![X0 : $i]: (~ (c3_1 @ X0) | ~ (c2_1 @ X0) |  (c1_1 @ X0)))),
% 16.02/2.98      inference('split', [status(esa)], [zip_derived_cl350])).
% 16.02/2.98  thf('104', plain,
% 16.02/2.98      (( (hskp62)) | ( (hskp61)) | 
% 16.02/2.98       (![X0 : $i]: ( (c0_1 @ X0) | ~ (c3_1 @ X0) | ~ (c1_1 @ X0))) | 
% 16.02/2.98       ~ ( (ndr1_0))),
% 16.02/2.98      inference('split', [status(esa)], [zip_derived_cl326])).
% 16.02/2.98  thf(zip_derived_cl1052, plain,
% 16.02/2.98      ((![X0 : $i]: ( (c0_1 @ X0) | ~ (c3_1 @ X0) | ~ (c1_1 @ X0)))
% 16.02/2.98         <= ((![X0 : $i]: ( (c0_1 @ X0) | ~ (c3_1 @ X0) | ~ (c1_1 @ X0))))),
% 16.02/2.98      inference('split', [status(esa)], [zip_derived_cl326])).
% 16.02/2.98  thf(clause171, conjecture, (~( ( c1_1 @ a1672 ) | ( ~( hskp15 ) ) ))).
% 16.02/2.98  thf(zf_stmt_88, negated_conjecture, (( c1_1 @ a1672 ) | ( ~( hskp15 ) )),
% 16.02/2.98    inference('cnf.neg', [status(esa)], [clause171])).
% 16.02/2.98  thf(zip_derived_cl170, plain, (( (c1_1 @ a1672) | ~ (hskp15))),
% 16.02/2.98      inference('cnf', [status(esa)], [zf_stmt_88])).
% 16.02/2.98  thf(zip_derived_cl712, plain, (( (c1_1 @ a1672)) <= (( (c1_1 @ a1672)))),
% 16.02/2.98      inference('split', [status(esa)], [zip_derived_cl170])).
% 16.02/2.98  thf(zip_derived_cl1775, plain,
% 16.02/2.98      (((~ (c3_1 @ a1672) |  (c0_1 @ a1672)))
% 16.02/2.98         <= (( (c1_1 @ a1672)) & 
% 16.02/2.98             (![X0 : $i]: ( (c0_1 @ X0) | ~ (c3_1 @ X0) | ~ (c1_1 @ X0))))),
% 16.02/2.98      inference('s_sup+', [status(thm)],
% 16.02/2.98                [zip_derived_cl1052, zip_derived_cl712])).
% 16.02/2.98  thf('105', plain,
% 16.02/2.98      (( (c0_1 @ a1672)) | ~ ( (c3_1 @ a1672)) | 
% 16.02/2.98       ~ (![X0 : $i]: ( (c0_1 @ X0) | ~ (c3_1 @ X0) | ~ (c1_1 @ X0))) | 
% 16.02/2.98       ~ ( (c1_1 @ a1672))),
% 16.02/2.98      inference('split', [status(esa)], [zip_derived_cl1775])).
% 16.02/2.98  thf(zip_derived_cl1182, plain,
% 16.02/2.98      ((![X0 : $i]: ( (c3_1 @ X0) |  (c2_1 @ X0) |  (c1_1 @ X0)))
% 16.02/2.98         <= ((![X0 : $i]: ( (c3_1 @ X0) |  (c2_1 @ X0) |  (c1_1 @ X0))))),
% 16.02/2.98      inference('split', [status(esa)], [zip_derived_cl358])).
% 16.02/2.98  thf(clause195, conjecture, (~( ( ~( hskp66 ) ) | ( ~( c1_1 @ a1692 ) ) ))).
% 16.02/2.98  thf(zf_stmt_89, negated_conjecture,
% 16.02/2.98    (( ~( hskp66 ) ) | ( ~( c1_1 @ a1692 ) )),
% 16.02/2.98    inference('cnf.neg', [status(esa)], [clause195])).
% 16.02/2.98  thf(zip_derived_cl194, plain, ((~ (hskp66) | ~ (c1_1 @ a1692))),
% 16.02/2.98      inference('cnf', [status(esa)], [zf_stmt_89])).
% 16.02/2.98  thf(zip_derived_cl760, plain, ((~ (c1_1 @ a1692)) <= (~ ( (c1_1 @ a1692)))),
% 16.02/2.98      inference('split', [status(esa)], [zip_derived_cl194])).
% 16.02/2.98  thf(zip_derived_cl3220, plain,
% 16.02/2.98      ((( (c2_1 @ a1692) |  (c3_1 @ a1692)))
% 16.02/2.98         <= (~ ( (c1_1 @ a1692)) & 
% 16.02/2.98             (![X0 : $i]: ( (c3_1 @ X0) |  (c2_1 @ X0) |  (c1_1 @ X0))))),
% 16.02/2.98      inference('s_sup-', [status(thm)],
% 16.02/2.98                [zip_derived_cl1182, zip_derived_cl760])).
% 16.02/2.98  thf('106', plain,
% 16.02/2.98      (( (c3_1 @ a1692)) | ( (c2_1 @ a1692)) | 
% 16.02/2.98       ~ (![X0 : $i]: ( (c3_1 @ X0) |  (c2_1 @ X0) |  (c1_1 @ X0))) | 
% 16.02/2.98       ( (c1_1 @ a1692))),
% 16.02/2.98      inference('split', [status(esa)], [zip_derived_cl3220])).
% 16.02/2.98  thf(clause170, conjecture, (~( ( c3_1 @ a1672 ) | ( ~( hskp15 ) ) ))).
% 16.02/2.98  thf(zf_stmt_90, negated_conjecture, (( c3_1 @ a1672 ) | ( ~( hskp15 ) )),
% 16.02/2.98    inference('cnf.neg', [status(esa)], [clause170])).
% 16.02/2.98  thf(zip_derived_cl169, plain, (( (c3_1 @ a1672) | ~ (hskp15))),
% 16.02/2.98      inference('cnf', [status(esa)], [zf_stmt_90])).
% 16.02/2.98  thf('107', plain, (~ ( (hskp15)) | ( (c3_1 @ a1672))),
% 16.02/2.98      inference('split', [status(esa)], [zip_derived_cl169])).
% 16.02/2.98  thf('108', plain, (~ ( (hskp15)) | ( (c1_1 @ a1672))),
% 16.02/2.98      inference('split', [status(esa)], [zip_derived_cl170])).
% 16.02/2.98  thf(clause281, conjecture, (~( ( ~( hskp15 ) ) | ( ~( c0_1 @ a1672 ) ) ))).
% 16.02/2.98  thf(zf_stmt_91, negated_conjecture,
% 16.02/2.98    (( ~( hskp15 ) ) | ( ~( c0_1 @ a1672 ) )),
% 16.02/2.98    inference('cnf.neg', [status(esa)], [clause281])).
% 16.02/2.98  thf(zip_derived_cl280, plain, ((~ (hskp15) | ~ (c0_1 @ a1672))),
% 16.02/2.98      inference('cnf', [status(esa)], [zf_stmt_91])).
% 16.02/2.98  thf('109', plain, (~ ( (hskp15)) | ~ ( (c0_1 @ a1672))),
% 16.02/2.98      inference('split', [status(esa)], [zip_derived_cl280])).
% 16.02/2.98  thf(clause103, conjecture, (~( ( c0_1 @ a1692 ) | ( ~( hskp66 ) ) ))).
% 16.02/2.98  thf(zf_stmt_92, negated_conjecture, (( c0_1 @ a1692 ) | ( ~( hskp66 ) )),
% 16.02/2.98    inference('cnf.neg', [status(esa)], [clause103])).
% 16.02/2.98  thf(zip_derived_cl102, plain, (( (c0_1 @ a1692) | ~ (hskp66))),
% 16.02/2.98      inference('cnf', [status(esa)], [zf_stmt_92])).
% 16.02/2.98  thf('110', plain, (( (c0_1 @ a1692)) | ~ ( (hskp66))),
% 16.02/2.98      inference('split', [status(esa)], [zip_derived_cl102])).
% 16.02/2.98  thf(zip_derived_cl1036, plain,
% 16.02/2.98      ((![X0 : $i]: (~ (c0_1 @ X0) | ~ (c3_1 @ X0) |  (c2_1 @ X0)))
% 16.02/2.98         <= ((![X0 : $i]: (~ (c0_1 @ X0) | ~ (c3_1 @ X0) |  (c2_1 @ X0))))),
% 16.02/2.98      inference('split', [status(esa)], [zip_derived_cl322])).
% 16.02/2.98  thf(clause196, conjecture, (~( ( ~( hskp66 ) ) | ( ~( c2_1 @ a1692 ) ) ))).
% 16.02/2.98  thf(zf_stmt_93, negated_conjecture,
% 16.02/2.98    (( ~( hskp66 ) ) | ( ~( c2_1 @ a1692 ) )),
% 16.02/2.98    inference('cnf.neg', [status(esa)], [clause196])).
% 16.02/2.98  thf(zip_derived_cl195, plain, ((~ (hskp66) | ~ (c2_1 @ a1692))),
% 16.02/2.98      inference('cnf', [status(esa)], [zf_stmt_93])).
% 16.02/2.98  thf(zip_derived_cl762, plain, ((~ (c2_1 @ a1692)) <= (~ ( (c2_1 @ a1692)))),
% 16.02/2.98      inference('split', [status(esa)], [zip_derived_cl195])).
% 16.02/2.98  thf(zip_derived_cl2165, plain,
% 16.02/2.98      (((~ (c3_1 @ a1692) | ~ (c0_1 @ a1692)))
% 16.02/2.98         <= (~ ( (c2_1 @ a1692)) & 
% 16.02/2.98             (![X0 : $i]: (~ (c0_1 @ X0) | ~ (c3_1 @ X0) |  (c2_1 @ X0))))),
% 16.02/2.98      inference('s_sup-', [status(thm)],
% 16.02/2.98                [zip_derived_cl1036, zip_derived_cl762])).
% 16.02/2.98  thf('111', plain,
% 16.02/2.98      (~ (![X0 : $i]: (~ (c0_1 @ X0) | ~ (c3_1 @ X0) |  (c2_1 @ X0))) | 
% 16.02/2.98       ~ ( (c3_1 @ a1692)) | ~ ( (c0_1 @ a1692)) | ( (c2_1 @ a1692))),
% 16.02/2.98      inference('split', [status(esa)], [zip_derived_cl2165])).
% 16.02/2.98  thf('112', plain, (~ ( (c1_1 @ a1692)) | ~ ( (hskp66))),
% 16.02/2.98      inference('split', [status(esa)], [zip_derived_cl194])).
% 16.02/2.98  thf('113', plain, (~ ( (c2_1 @ a1692)) | ~ ( (hskp66))),
% 16.02/2.98      inference('split', [status(esa)], [zip_derived_cl195])).
% 16.02/2.98  thf(clause80, conjecture, (~( ( hskp15 ) | ( hskp14 ) | ( hskp10 ) ))).
% 16.02/2.98  thf(zf_stmt_94, negated_conjecture, (( hskp15 ) | ( hskp14 ) | ( hskp10 )),
% 16.02/2.98    inference('cnf.neg', [status(esa)], [clause80])).
% 16.02/2.98  thf(zip_derived_cl79, plain, (( (hskp15) |  (hskp14) |  (hskp10))),
% 16.02/2.98      inference('cnf', [status(esa)], [zf_stmt_94])).
% 16.02/2.98  thf('114', plain, (( (hskp14)) | ( (hskp15)) | ( (hskp10))),
% 16.02/2.98      inference('split', [status(esa)], [zip_derived_cl79])).
% 16.02/2.98  thf(zip_derived_cl1121, plain,
% 16.02/2.98      ((![X0 : $i]: (~ (c0_1 @ X0) |  (c3_1 @ X0) |  (c1_1 @ X0)))
% 16.02/2.98         <= ((![X0 : $i]: (~ (c0_1 @ X0) |  (c3_1 @ X0) |  (c1_1 @ X0))))),
% 16.02/2.98      inference('split', [status(esa)], [zip_derived_cl343])).
% 16.02/2.98  thf(zip_derived_cl880, plain, ((~ (c1_1 @ a1691)) <= (~ ( (c1_1 @ a1691)))),
% 16.02/2.98      inference('split', [status(esa)], [zip_derived_cl254])).
% 16.02/2.98  thf(zip_derived_cl2947, plain,
% 16.02/2.98      ((( (c3_1 @ a1691) | ~ (c0_1 @ a1691)))
% 16.02/2.98         <= (~ ( (c1_1 @ a1691)) & 
% 16.02/2.98             (![X0 : $i]: (~ (c0_1 @ X0) |  (c3_1 @ X0) |  (c1_1 @ X0))))),
% 16.02/2.98      inference('s_sup-', [status(thm)],
% 16.02/2.98                [zip_derived_cl1121, zip_derived_cl880])).
% 16.02/2.98  thf('115', plain,
% 16.02/2.98      (~ (![X0 : $i]: (~ (c0_1 @ X0) |  (c3_1 @ X0) |  (c1_1 @ X0))) | 
% 16.02/2.98       ~ ( (c0_1 @ a1691)) | ( (c3_1 @ a1691)) | ( (c1_1 @ a1691))),
% 16.02/2.98      inference('split', [status(esa)], [zip_derived_cl2947])).
% 16.02/2.98  thf(clause82, conjecture, (~( ( hskp28 ) | ( hskp27 ) | ( hskp66 ) ))).
% 16.02/2.98  thf(zf_stmt_95, negated_conjecture, (( hskp28 ) | ( hskp27 ) | ( hskp66 )),
% 16.02/2.98    inference('cnf.neg', [status(esa)], [clause82])).
% 16.02/2.98  thf(zip_derived_cl81, plain, (( (hskp28) |  (hskp27) |  (hskp66))),
% 16.02/2.98      inference('cnf', [status(esa)], [zf_stmt_95])).
% 16.02/2.98  thf('116', plain, (( (hskp28)) | ( (hskp66)) | ( (hskp27))),
% 16.02/2.98      inference('split', [status(esa)], [zip_derived_cl81])).
% 16.02/2.98  thf(clause289, conjecture, (~( ( ~( hskp10 ) ) | ( ~( c2_1 @ a1663 ) ) ))).
% 16.02/2.98  thf(zf_stmt_96, negated_conjecture,
% 16.02/2.98    (( ~( hskp10 ) ) | ( ~( c2_1 @ a1663 ) )),
% 16.02/2.98    inference('cnf.neg', [status(esa)], [clause289])).
% 16.02/2.98  thf(zip_derived_cl288, plain, ((~ (hskp10) | ~ (c2_1 @ a1663))),
% 16.02/2.98      inference('cnf', [status(esa)], [zf_stmt_96])).
% 16.02/2.98  thf('117', plain, (~ ( (c2_1 @ a1663)) | ~ ( (hskp10))),
% 16.02/2.98      inference('split', [status(esa)], [zip_derived_cl288])).
% 16.02/2.98  thf(clause290, conjecture, (~( ( ~( hskp10 ) ) | ( ~( c3_1 @ a1663 ) ) ))).
% 16.02/2.98  thf(zf_stmt_97, negated_conjecture,
% 16.02/2.98    (( ~( hskp10 ) ) | ( ~( c3_1 @ a1663 ) )),
% 16.02/2.98    inference('cnf.neg', [status(esa)], [clause290])).
% 16.02/2.98  thf(zip_derived_cl289, plain, ((~ (hskp10) | ~ (c3_1 @ a1663))),
% 16.02/2.98      inference('cnf', [status(esa)], [zf_stmt_97])).
% 16.02/2.98  thf('118', plain, (~ ( (c3_1 @ a1663)) | ~ ( (hskp10))),
% 16.02/2.98      inference('split', [status(esa)], [zip_derived_cl289])).
% 16.02/2.98  thf(clause291, conjecture, (~( ( ~( hskp10 ) ) | ( ~( c0_1 @ a1663 ) ) ))).
% 16.02/2.98  thf(zf_stmt_98, negated_conjecture,
% 16.02/2.98    (( ~( hskp10 ) ) | ( ~( c0_1 @ a1663 ) )),
% 16.02/2.98    inference('cnf.neg', [status(esa)], [clause291])).
% 16.02/2.98  thf(zip_derived_cl290, plain, ((~ (hskp10) | ~ (c0_1 @ a1663))),
% 16.02/2.98      inference('cnf', [status(esa)], [zf_stmt_98])).
% 16.02/2.98  thf('119', plain, (~ ( (c0_1 @ a1663)) | ~ ( (hskp10))),
% 16.02/2.98      inference('split', [status(esa)], [zip_derived_cl290])).
% 16.02/2.98  thf(zip_derived_cl996, plain,
% 16.02/2.98      ((![X0 : $i]: ( (c0_1 @ X0) |  (c3_1 @ X0) |  (c2_1 @ X0)))
% 16.02/2.98         <= ((![X0 : $i]: ( (c0_1 @ X0) |  (c3_1 @ X0) |  (c2_1 @ X0))))),
% 16.02/2.98      inference('split', [status(esa)], [zip_derived_cl312])).
% 16.02/2.98  thf(zip_derived_cl948, plain, ((~ (c2_1 @ a1663)) <= (~ ( (c2_1 @ a1663)))),
% 16.02/2.98      inference('split', [status(esa)], [zip_derived_cl288])).
% 16.02/2.98  thf(zip_derived_cl1748, plain,
% 16.02/2.98      ((( (c3_1 @ a1663) |  (c0_1 @ a1663)))
% 16.02/2.98         <= (~ ( (c2_1 @ a1663)) & 
% 16.02/2.98             (![X0 : $i]: ( (c0_1 @ X0) |  (c3_1 @ X0) |  (c2_1 @ X0))))),
% 16.02/2.98      inference('s_sup-', [status(thm)], [zip_derived_cl996, zip_derived_cl948])).
% 16.02/2.98  thf('120', plain,
% 16.02/2.98      (( (c2_1 @ a1663)) | ( (c3_1 @ a1663)) | 
% 16.02/2.98       ~ (![X0 : $i]: ( (c0_1 @ X0) |  (c3_1 @ X0) |  (c2_1 @ X0))) | 
% 16.02/2.98       ( (c0_1 @ a1663))),
% 16.02/2.98      inference('split', [status(esa)], [zip_derived_cl1748])).
% 16.02/2.98  thf(clause251, conjecture, (~( ( ~( hskp27 ) ) | ( ~( c0_1 @ a1693 ) ) ))).
% 16.02/2.98  thf(zf_stmt_99, negated_conjecture,
% 16.02/2.98    (( ~( hskp27 ) ) | ( ~( c0_1 @ a1693 ) )),
% 16.02/2.98    inference('cnf.neg', [status(esa)], [clause251])).
% 16.02/2.98  thf(zip_derived_cl250, plain, ((~ (hskp27) | ~ (c0_1 @ a1693))),
% 16.02/2.98      inference('cnf', [status(esa)], [zf_stmt_99])).
% 16.02/2.98  thf('121', plain, (~ ( (c0_1 @ a1693)) | ~ ( (hskp27))),
% 16.02/2.98      inference('split', [status(esa)], [zip_derived_cl250])).
% 16.02/2.98  thf(clause252, conjecture, (~( ( ~( hskp27 ) ) | ( ~( c3_1 @ a1693 ) ) ))).
% 16.02/2.98  thf(zf_stmt_100, negated_conjecture,
% 16.02/2.98    (( ~( hskp27 ) ) | ( ~( c3_1 @ a1693 ) )),
% 16.02/2.98    inference('cnf.neg', [status(esa)], [clause252])).
% 16.02/2.98  thf(zip_derived_cl251, plain, ((~ (hskp27) | ~ (c3_1 @ a1693))),
% 16.02/2.98      inference('cnf', [status(esa)], [zf_stmt_100])).
% 16.02/2.98  thf('122', plain, (~ ( (c3_1 @ a1693)) | ~ ( (hskp27))),
% 16.02/2.98      inference('split', [status(esa)], [zip_derived_cl251])).
% 16.02/2.98  thf(clause253, conjecture, (~( ( ~( hskp27 ) ) | ( ~( c2_1 @ a1693 ) ) ))).
% 16.02/2.98  thf(zf_stmt_101, negated_conjecture,
% 16.02/2.98    (( ~( hskp27 ) ) | ( ~( c2_1 @ a1693 ) )),
% 16.02/2.98    inference('cnf.neg', [status(esa)], [clause253])).
% 16.02/2.98  thf(zip_derived_cl252, plain, ((~ (hskp27) | ~ (c2_1 @ a1693))),
% 16.02/2.98      inference('cnf', [status(esa)], [zf_stmt_101])).
% 16.02/2.98  thf('123', plain, (~ ( (c2_1 @ a1693)) | ~ ( (hskp27))),
% 16.02/2.98      inference('split', [status(esa)], [zip_derived_cl252])).
% 16.02/2.98  thf(zip_derived_cl996, plain,
% 16.02/2.98      ((![X0 : $i]: ( (c0_1 @ X0) |  (c3_1 @ X0) |  (c2_1 @ X0)))
% 16.02/2.98         <= ((![X0 : $i]: ( (c0_1 @ X0) |  (c3_1 @ X0) |  (c2_1 @ X0))))),
% 16.02/2.98      inference('split', [status(esa)], [zip_derived_cl312])).
% 16.02/2.98  thf(zip_derived_cl876, plain, ((~ (c2_1 @ a1693)) <= (~ ( (c2_1 @ a1693)))),
% 16.02/2.98      inference('split', [status(esa)], [zip_derived_cl252])).
% 16.02/2.98  thf(zip_derived_cl1741, plain,
% 16.02/2.98      ((( (c3_1 @ a1693) |  (c0_1 @ a1693)))
% 16.02/2.98         <= (~ ( (c2_1 @ a1693)) & 
% 16.02/2.98             (![X0 : $i]: ( (c0_1 @ X0) |  (c3_1 @ X0) |  (c2_1 @ X0))))),
% 16.02/2.98      inference('s_sup-', [status(thm)], [zip_derived_cl996, zip_derived_cl876])).
% 16.02/2.98  thf('124', plain,
% 16.02/2.98      (( (c0_1 @ a1693)) | ( (c3_1 @ a1693)) | 
% 16.02/2.98       ~ (![X0 : $i]: ( (c0_1 @ X0) |  (c3_1 @ X0) |  (c2_1 @ X0))) | 
% 16.02/2.98       ( (c2_1 @ a1693))),
% 16.02/2.98      inference('split', [status(esa)], [zip_derived_cl1741])).
% 16.02/2.98  thf(zip_derived_cl1084, plain,
% 16.02/2.98      ((![X1 : $i]: ( (c2_1 @ X1) |  (c1_1 @ X1) |  (c0_1 @ X1)))
% 16.02/2.98         <= ((![X1 : $i]: ( (c2_1 @ X1) |  (c1_1 @ X1) |  (c0_1 @ X1))))),
% 16.02/2.98      inference('split', [status(esa)], [zip_derived_cl334])).
% 16.02/2.98  thf(zip_derived_cl984, plain, ((~ (c1_1 @ a1645)) <= (~ ( (c1_1 @ a1645)))),
% 16.02/2.98      inference('split', [status(esa)], [zip_derived_cl306])).
% 16.02/2.98  thf(zip_derived_cl2891, plain,
% 16.02/2.98      ((( (c0_1 @ a1645) |  (c2_1 @ a1645)))
% 16.02/2.98         <= (~ ( (c1_1 @ a1645)) & 
% 16.02/2.98             (![X1 : $i]: ( (c2_1 @ X1) |  (c1_1 @ X1) |  (c0_1 @ X1))))),
% 16.02/2.98      inference('s_sup-', [status(thm)],
% 16.02/2.98                [zip_derived_cl1084, zip_derived_cl984])).
% 16.02/2.98  thf('125', plain,
% 16.02/2.98      (~ (![X1 : $i]: ( (c2_1 @ X1) |  (c1_1 @ X1) |  (c0_1 @ X1))) | 
% 16.02/2.98       ( (c2_1 @ a1645)) | ( (c1_1 @ a1645)) | ( (c0_1 @ a1645))),
% 16.02/2.98      inference('split', [status(esa)], [zip_derived_cl2891])).
% 16.02/2.98  thf('126', plain, (~ ( (c1_1 @ a1691)) | ~ ( (hskp26))),
% 16.02/2.98      inference('split', [status(esa)], [zip_derived_cl254])).
% 16.02/2.98  thf(zip_derived_cl1121, plain,
% 16.02/2.98      ((![X0 : $i]: (~ (c0_1 @ X0) |  (c3_1 @ X0) |  (c1_1 @ X0)))
% 16.02/2.98         <= ((![X0 : $i]: (~ (c0_1 @ X0) |  (c3_1 @ X0) |  (c1_1 @ X0))))),
% 16.02/2.98      inference('split', [status(esa)], [zip_derived_cl343])).
% 16.02/2.98  thf(clause288, conjecture, (~( ( ~( hskp11 ) ) | ( ~( c1_1 @ a1664 ) ) ))).
% 16.02/2.98  thf(zf_stmt_102, negated_conjecture,
% 16.02/2.98    (( ~( hskp11 ) ) | ( ~( c1_1 @ a1664 ) )),
% 16.02/2.98    inference('cnf.neg', [status(esa)], [clause288])).
% 16.02/2.98  thf(zip_derived_cl287, plain, ((~ (hskp11) | ~ (c1_1 @ a1664))),
% 16.02/2.98      inference('cnf', [status(esa)], [zf_stmt_102])).
% 16.02/2.98  thf(zip_derived_cl946, plain, ((~ (c1_1 @ a1664)) <= (~ ( (c1_1 @ a1664)))),
% 16.02/2.98      inference('split', [status(esa)], [zip_derived_cl287])).
% 16.02/2.98  thf(zip_derived_cl2953, plain,
% 16.02/2.98      ((( (c3_1 @ a1664) | ~ (c0_1 @ a1664)))
% 16.02/2.98         <= (~ ( (c1_1 @ a1664)) & 
% 16.02/2.98             (![X0 : $i]: (~ (c0_1 @ X0) |  (c3_1 @ X0) |  (c1_1 @ X0))))),
% 16.02/2.98      inference('s_sup-', [status(thm)],
% 16.02/2.98                [zip_derived_cl1121, zip_derived_cl946])).
% 16.02/2.98  thf('127', plain,
% 16.02/2.98      (~ (![X0 : $i]: (~ (c0_1 @ X0) |  (c3_1 @ X0) |  (c1_1 @ X0))) | 
% 16.02/2.98       ( (c3_1 @ a1664)) | ( (c1_1 @ a1664)) | ~ ( (c0_1 @ a1664))),
% 16.02/2.98      inference('split', [status(esa)], [zip_derived_cl2953])).
% 16.02/2.98  thf('128', plain, (~ ( (hskp11)) | ~ ( (c1_1 @ a1664))),
% 16.02/2.98      inference('split', [status(esa)], [zip_derived_cl287])).
% 16.02/2.98  thf(clause345, conjecture,
% 16.02/2.98    (~( ( hskp30 ) | ( c2_1 @ V ) | ( c1_1 @ U ) | ( c0_1 @ U ) | 
% 16.02/2.98        ( ~( c1_1 @ V ) ) | ( ~( c0_1 @ V ) ) | ( ~( ndr1_0 ) ) | 
% 16.02/2.98        ( ~( c3_1 @ U ) ) ))).
% 16.02/2.98  thf(zf_stmt_103, negated_conjecture,
% 16.02/2.98    (( hskp30 ) | ( c2_1 @ V ) | ( c1_1 @ U ) | ( c0_1 @ U ) | 
% 16.02/2.98     ( ~( c1_1 @ V ) ) | ( ~( c0_1 @ V ) ) | ( ~( ndr1_0 ) ) | 
% 16.02/2.98     ( ~( c3_1 @ U ) )),
% 16.02/2.98    inference('cnf.neg', [status(esa)], [clause345])).
% 16.02/2.98  thf(zip_derived_cl344, plain,
% 16.02/2.98      (![X0 : $i, X1 : $i]:
% 16.02/2.98         ( (hskp30)
% 16.02/2.98          |  (c2_1 @ X0)
% 16.02/2.98          |  (c1_1 @ X1)
% 16.02/2.98          |  (c0_1 @ X1)
% 16.02/2.98          | ~ (c1_1 @ X0)
% 16.02/2.98          | ~ (c0_1 @ X0)
% 16.02/2.98          | ~ (ndr1_0)
% 16.02/2.98          | ~ (c3_1 @ X1))),
% 16.02/2.98      inference('cnf', [status(esa)], [zf_stmt_103])).
% 16.02/2.98  thf(zip_derived_cl1125, plain,
% 16.02/2.98      ((![X0 : $i]: (~ (c0_1 @ X0) |  (c2_1 @ X0) | ~ (c1_1 @ X0)))
% 16.02/2.98         <= ((![X0 : $i]: (~ (c0_1 @ X0) |  (c2_1 @ X0) | ~ (c1_1 @ X0))))),
% 16.02/2.98      inference('split', [status(esa)], [zip_derived_cl344])).
% 16.02/2.98  thf(zip_derived_cl658, plain, (( (c1_1 @ a1638)) <= (( (c1_1 @ a1638)))),
% 16.02/2.98      inference('split', [status(esa)], [zip_derived_cl143])).
% 16.02/2.98  thf(zip_derived_cl1909, plain,
% 16.02/2.98      ((( (c2_1 @ a1638) | ~ (c0_1 @ a1638)))
% 16.02/2.98         <= (( (c1_1 @ a1638)) & 
% 16.02/2.98             (![X0 : $i]: (~ (c0_1 @ X0) |  (c2_1 @ X0) | ~ (c1_1 @ X0))))),
% 16.02/2.98      inference('s_sup+', [status(thm)],
% 16.02/2.98                [zip_derived_cl1125, zip_derived_cl658])).
% 16.02/2.98  thf('129', plain,
% 16.02/2.98      (~ (![X0 : $i]: (~ (c0_1 @ X0) |  (c2_1 @ X0) | ~ (c1_1 @ X0))) | 
% 16.02/2.98       ( (c2_1 @ a1638)) | ~ ( (c1_1 @ a1638)) | ~ ( (c0_1 @ a1638))),
% 16.02/2.98      inference('split', [status(esa)], [zip_derived_cl1909])).
% 16.02/2.98  thf(zip_derived_cl1125, plain,
% 16.02/2.98      ((![X0 : $i]: (~ (c0_1 @ X0) |  (c2_1 @ X0) | ~ (c1_1 @ X0)))
% 16.02/2.98         <= ((![X0 : $i]: (~ (c0_1 @ X0) |  (c2_1 @ X0) | ~ (c1_1 @ X0))))),
% 16.02/2.98      inference('split', [status(esa)], [zip_derived_cl344])).
% 16.02/2.98  thf(zip_derived_cl738, plain, (( (c1_1 @ a1637)) <= (( (c1_1 @ a1637)))),
% 16.02/2.98      inference('split', [status(esa)], [zip_derived_cl183])).
% 16.02/2.98  thf(zip_derived_cl1915, plain,
% 16.02/2.98      ((( (c2_1 @ a1637) | ~ (c0_1 @ a1637)))
% 16.02/2.98         <= (( (c1_1 @ a1637)) & 
% 16.02/2.98             (![X0 : $i]: (~ (c0_1 @ X0) |  (c2_1 @ X0) | ~ (c1_1 @ X0))))),
% 16.02/2.98      inference('s_sup+', [status(thm)],
% 16.02/2.98                [zip_derived_cl1125, zip_derived_cl738])).
% 16.02/2.98  thf('130', plain,
% 16.02/2.98      (~ (![X0 : $i]: (~ (c0_1 @ X0) |  (c2_1 @ X0) | ~ (c1_1 @ X0))) | 
% 16.02/2.98       ~ ( (c1_1 @ a1637)) | ( (c2_1 @ a1637)) | ~ ( (c0_1 @ a1637))),
% 16.02/2.98      inference('split', [status(esa)], [zip_derived_cl1915])).
% 16.02/2.98  thf(clause347, conjecture,
% 16.02/2.98    (~( ( hskp61 ) | ( c2_1 @ V ) | ( c3_1 @ U ) | ( c2_1 @ U ) | 
% 16.02/2.98        ( ~( c1_1 @ V ) ) | ( ~( c0_1 @ V ) ) | ( ~( ndr1_0 ) ) | 
% 16.02/2.98        ( ~( c0_1 @ U ) ) ))).
% 16.02/2.98  thf(zf_stmt_104, negated_conjecture,
% 16.02/2.98    (( hskp61 ) | ( c2_1 @ V ) | ( c3_1 @ U ) | ( c2_1 @ U ) | 
% 16.02/2.98     ( ~( c1_1 @ V ) ) | ( ~( c0_1 @ V ) ) | ( ~( ndr1_0 ) ) | 
% 16.02/2.98     ( ~( c0_1 @ U ) )),
% 16.02/2.98    inference('cnf.neg', [status(esa)], [clause347])).
% 16.02/2.98  thf(zip_derived_cl346, plain,
% 16.02/2.98      (![X0 : $i, X1 : $i]:
% 16.02/2.98         ( (hskp61)
% 16.02/2.98          |  (c2_1 @ X0)
% 16.02/2.98          |  (c3_1 @ X1)
% 16.02/2.98          |  (c2_1 @ X1)
% 16.02/2.98          | ~ (c1_1 @ X0)
% 16.02/2.98          | ~ (c0_1 @ X0)
% 16.02/2.98          | ~ (ndr1_0)
% 16.02/2.98          | ~ (c0_1 @ X1))),
% 16.02/2.98      inference('cnf', [status(esa)], [zf_stmt_104])).
% 16.02/2.98  thf('131', plain,
% 16.02/2.98      (( (hskp61)) | 
% 16.02/2.98       (![X1 : $i]: ( (c2_1 @ X1) | ~ (c0_1 @ X1) |  (c3_1 @ X1))) | 
% 16.02/2.98       ~ ( (ndr1_0)) | 
% 16.02/2.98       (![X0 : $i]: (~ (c0_1 @ X0) |  (c2_1 @ X0) | ~ (c1_1 @ X0)))),
% 16.02/2.98      inference('split', [status(esa)], [zip_derived_cl346])).
% 16.02/2.98  thf(zip_derived_cl1036, plain,
% 16.02/2.98      ((![X0 : $i]: (~ (c0_1 @ X0) | ~ (c3_1 @ X0) |  (c2_1 @ X0)))
% 16.02/2.98         <= ((![X0 : $i]: (~ (c0_1 @ X0) | ~ (c3_1 @ X0) |  (c2_1 @ X0))))),
% 16.02/2.98      inference('split', [status(esa)], [zip_derived_cl322])).
% 16.02/2.98  thf(clause312, conjecture, (~( ( ~( hskp0 ) ) | ( ~( c2_1 @ a1637 ) ) ))).
% 16.02/2.98  thf(zf_stmt_105, negated_conjecture,
% 16.02/2.98    (( ~( hskp0 ) ) | ( ~( c2_1 @ a1637 ) )),
% 16.02/2.98    inference('cnf.neg', [status(esa)], [clause312])).
% 16.02/2.98  thf(zip_derived_cl311, plain, ((~ (hskp0) | ~ (c2_1 @ a1637))),
% 16.02/2.98      inference('cnf', [status(esa)], [zf_stmt_105])).
% 16.02/2.98  thf(zip_derived_cl994, plain, ((~ (c2_1 @ a1637)) <= (~ ( (c2_1 @ a1637)))),
% 16.02/2.98      inference('split', [status(esa)], [zip_derived_cl311])).
% 16.02/2.98  thf(zip_derived_cl2186, plain,
% 16.02/2.98      (((~ (c3_1 @ a1637) | ~ (c0_1 @ a1637)))
% 16.02/2.98         <= (~ ( (c2_1 @ a1637)) & 
% 16.02/2.98             (![X0 : $i]: (~ (c0_1 @ X0) | ~ (c3_1 @ X0) |  (c2_1 @ X0))))),
% 16.02/2.98      inference('s_sup-', [status(thm)],
% 16.02/2.98                [zip_derived_cl1036, zip_derived_cl994])).
% 16.02/2.98  thf('132', plain,
% 16.02/2.98      (~ (![X0 : $i]: (~ (c0_1 @ X0) | ~ (c3_1 @ X0) |  (c2_1 @ X0))) | 
% 16.02/2.98       ~ ( (c3_1 @ a1637)) | ( (c2_1 @ a1637)) | ~ ( (c0_1 @ a1637))),
% 16.02/2.98      inference('split', [status(esa)], [zip_derived_cl2186])).
% 16.02/2.98  thf(zip_derived_cl1144, plain,
% 16.02/2.98      ((![X1 : $i]: (~ (c2_1 @ X1) |  (c1_1 @ X1) | ~ (c0_1 @ X1)))
% 16.02/2.98         <= ((![X1 : $i]: (~ (c2_1 @ X1) |  (c1_1 @ X1) | ~ (c0_1 @ X1))))),
% 16.02/2.98      inference('split', [status(esa)], [zip_derived_cl349])).
% 16.02/2.98  thf(clause331, conjecture,
% 16.02/2.98    (~( ( hskp51 ) | ( hskp50 ) | ( ~( ndr1_0 ) ) | ( ~( c2_1 @ U ) ) | 
% 16.02/2.98        ( ~( c0_1 @ U ) ) | ( ~( c1_1 @ U ) ) ))).
% 16.02/2.98  thf(zf_stmt_106, negated_conjecture,
% 16.02/2.98    (( hskp51 ) | ( hskp50 ) | ( ~( ndr1_0 ) ) | ( ~( c2_1 @ U ) ) | 
% 16.02/2.98     ( ~( c0_1 @ U ) ) | ( ~( c1_1 @ U ) )),
% 16.02/2.98    inference('cnf.neg', [status(esa)], [clause331])).
% 16.02/2.98  thf(zip_derived_cl330, plain,
% 16.02/2.98      (![X0 : $i]:
% 16.02/2.98         ( (hskp51)
% 16.02/2.98          |  (hskp50)
% 16.02/2.98          | ~ (ndr1_0)
% 16.02/2.98          | ~ (c2_1 @ X0)
% 16.02/2.98          | ~ (c0_1 @ X0)
% 16.02/2.98          | ~ (c1_1 @ X0))),
% 16.02/2.98      inference('cnf', [status(esa)], [zf_stmt_106])).
% 16.02/2.98  thf(zip_derived_cl1068, plain,
% 16.02/2.98      ((![X0 : $i]: (~ (c0_1 @ X0) | ~ (c2_1 @ X0) | ~ (c1_1 @ X0)))
% 16.02/2.98         <= ((![X0 : $i]: (~ (c0_1 @ X0) | ~ (c2_1 @ X0) | ~ (c1_1 @ X0))))),
% 16.02/2.98      inference('split', [status(esa)], [zip_derived_cl330])).
% 16.02/2.98  thf(zip_derived_cl2434, plain,
% 16.02/2.98      ((![X0 : $i]:
% 16.02/2.98          (~ (c0_1 @ X0) | ~ (c2_1 @ X0) | ~ (c0_1 @ X0) | ~ (c2_1 @ X0)))
% 16.02/2.98         <= ((![X0 : $i]: (~ (c0_1 @ X0) | ~ (c2_1 @ X0) | ~ (c1_1 @ X0))) & 
% 16.02/2.98             (![X1 : $i]: (~ (c2_1 @ X1) |  (c1_1 @ X1) | ~ (c0_1 @ X1))))),
% 16.02/2.98      inference('s_sup-', [status(thm)],
% 16.02/2.98                [zip_derived_cl1144, zip_derived_cl1068])).
% 16.02/2.98  thf(zip_derived_cl2484, plain,
% 16.02/2.98      ((![X0 : $i]: (~ (c2_1 @ X0) | ~ (c0_1 @ X0)))
% 16.02/2.98         <= ((![X0 : $i]: (~ (c0_1 @ X0) | ~ (c2_1 @ X0) | ~ (c1_1 @ X0))) & 
% 16.02/2.98             (![X1 : $i]: (~ (c2_1 @ X1) |  (c1_1 @ X1) | ~ (c0_1 @ X1))))),
% 16.02/2.98      inference('simplify', [status(thm)], [zip_derived_cl2434])).
% 16.02/2.98  thf(clause123, conjecture, (~( ( c2_1 @ a1656 ) | ( ~( hskp53 ) ) ))).
% 16.02/2.98  thf(zf_stmt_107, negated_conjecture, (( c2_1 @ a1656 ) | ( ~( hskp53 ) )),
% 16.02/2.98    inference('cnf.neg', [status(esa)], [clause123])).
% 16.02/2.98  thf(zip_derived_cl122, plain, (( (c2_1 @ a1656) | ~ (hskp53))),
% 16.02/2.98      inference('cnf', [status(esa)], [zf_stmt_107])).
% 16.02/2.98  thf(zip_derived_cl616, plain, (( (c2_1 @ a1656)) <= (( (c2_1 @ a1656)))),
% 16.02/2.98      inference('split', [status(esa)], [zip_derived_cl122])).
% 16.02/2.98  thf(zip_derived_cl3457, plain,
% 16.02/2.98      ((~ (c0_1 @ a1656))
% 16.02/2.98         <= (( (c2_1 @ a1656)) & 
% 16.02/2.98             (![X0 : $i]: (~ (c0_1 @ X0) | ~ (c2_1 @ X0) | ~ (c1_1 @ X0))) & 
% 16.02/2.98             (![X1 : $i]: (~ (c2_1 @ X1) |  (c1_1 @ X1) | ~ (c0_1 @ X1))))),
% 16.02/2.98      inference('s_sup+', [status(thm)],
% 16.02/2.98                [zip_derived_cl2484, zip_derived_cl616])).
% 16.02/2.98  thf(clause124, conjecture, (~( ( c0_1 @ a1656 ) | ( ~( hskp53 ) ) ))).
% 16.02/2.98  thf(zf_stmt_108, negated_conjecture, (( c0_1 @ a1656 ) | ( ~( hskp53 ) )),
% 16.02/2.98    inference('cnf.neg', [status(esa)], [clause124])).
% 16.02/2.98  thf(zip_derived_cl123, plain, (( (c0_1 @ a1656) | ~ (hskp53))),
% 16.02/2.98      inference('cnf', [status(esa)], [zf_stmt_108])).
% 16.02/2.98  thf(zip_derived_cl618, plain, (( (c0_1 @ a1656)) <= (( (c0_1 @ a1656)))),
% 16.02/2.98      inference('split', [status(esa)], [zip_derived_cl123])).
% 16.02/2.98  thf('133', plain,
% 16.02/2.98      (~ ( (c2_1 @ a1656)) | 
% 16.02/2.98       ~ (![X0 : $i]: (~ (c0_1 @ X0) | ~ (c2_1 @ X0) | ~ (c1_1 @ X0))) | 
% 16.02/2.98       ~ (![X1 : $i]: (~ (c2_1 @ X1) |  (c1_1 @ X1) | ~ (c0_1 @ X1))) | 
% 16.02/2.98       ~ ( (c0_1 @ a1656))),
% 16.02/2.98      inference('s_sup+', [status(thm)],
% 16.02/2.98                [zip_derived_cl3457, zip_derived_cl618])).
% 16.02/2.98  thf(zip_derived_cl2484, plain,
% 16.02/2.98      ((![X0 : $i]: (~ (c2_1 @ X0) | ~ (c0_1 @ X0)))
% 16.02/2.98         <= ((![X0 : $i]: (~ (c0_1 @ X0) | ~ (c2_1 @ X0) | ~ (c1_1 @ X0))) & 
% 16.02/2.98             (![X1 : $i]: (~ (c2_1 @ X1) |  (c1_1 @ X1) | ~ (c0_1 @ X1))))),
% 16.02/2.98      inference('simplify', [status(thm)], [zip_derived_cl2434])).
% 16.02/2.98  thf(clause161, conjecture, (~( ( c2_1 @ a1695 ) | ( ~( hskp29 ) ) ))).
% 16.02/2.98  thf(zf_stmt_109, negated_conjecture, (( c2_1 @ a1695 ) | ( ~( hskp29 ) )),
% 16.02/2.98    inference('cnf.neg', [status(esa)], [clause161])).
% 16.02/2.98  thf(zip_derived_cl160, plain, (( (c2_1 @ a1695) | ~ (hskp29))),
% 16.02/2.98      inference('cnf', [status(esa)], [zf_stmt_109])).
% 16.02/2.98  thf(zip_derived_cl692, plain, (( (c2_1 @ a1695)) <= (( (c2_1 @ a1695)))),
% 16.02/2.98      inference('split', [status(esa)], [zip_derived_cl160])).
% 16.02/2.98  thf(zip_derived_cl3468, plain,
% 16.02/2.98      ((~ (c0_1 @ a1695))
% 16.02/2.98         <= (( (c2_1 @ a1695)) & 
% 16.02/2.98             (![X0 : $i]: (~ (c0_1 @ X0) | ~ (c2_1 @ X0) | ~ (c1_1 @ X0))) & 
% 16.02/2.98             (![X1 : $i]: (~ (c2_1 @ X1) |  (c1_1 @ X1) | ~ (c0_1 @ X1))))),
% 16.02/2.98      inference('s_sup+', [status(thm)],
% 16.02/2.98                [zip_derived_cl2484, zip_derived_cl692])).
% 16.02/2.98  thf(clause162, conjecture, (~( ( c0_1 @ a1695 ) | ( ~( hskp29 ) ) ))).
% 16.02/2.98  thf(zf_stmt_110, negated_conjecture, (( c0_1 @ a1695 ) | ( ~( hskp29 ) )),
% 16.02/2.98    inference('cnf.neg', [status(esa)], [clause162])).
% 16.02/2.98  thf(zip_derived_cl161, plain, (( (c0_1 @ a1695) | ~ (hskp29))),
% 16.02/2.98      inference('cnf', [status(esa)], [zf_stmt_110])).
% 16.02/2.98  thf(zip_derived_cl694, plain, (( (c0_1 @ a1695)) <= (( (c0_1 @ a1695)))),
% 16.02/2.98      inference('split', [status(esa)], [zip_derived_cl161])).
% 16.02/2.98  thf('134', plain,
% 16.02/2.98      (~ (![X0 : $i]: (~ (c0_1 @ X0) | ~ (c2_1 @ X0) | ~ (c1_1 @ X0))) | 
% 16.02/2.98       ~ (![X1 : $i]: (~ (c2_1 @ X1) |  (c1_1 @ X1) | ~ (c0_1 @ X1))) | 
% 16.02/2.98       ~ ( (c2_1 @ a1695)) | ~ ( (c0_1 @ a1695))),
% 16.02/2.98      inference('s_sup+', [status(thm)],
% 16.02/2.98                [zip_derived_cl3468, zip_derived_cl694])).
% 16.02/2.98  thf(zip_derived_cl2484, plain,
% 16.02/2.98      ((![X0 : $i]: (~ (c2_1 @ X0) | ~ (c0_1 @ X0)))
% 16.02/2.98         <= ((![X0 : $i]: (~ (c0_1 @ X0) | ~ (c2_1 @ X0) | ~ (c1_1 @ X0))) & 
% 16.02/2.98             (![X1 : $i]: (~ (c2_1 @ X1) |  (c1_1 @ X1) | ~ (c0_1 @ X1))))),
% 16.02/2.98      inference('simplify', [status(thm)], [zip_derived_cl2434])).
% 16.02/2.98  thf(clause126, conjecture, (~( ( c2_1 @ a1654 ) | ( ~( hskp52 ) ) ))).
% 16.02/2.98  thf(zf_stmt_111, negated_conjecture, (( c2_1 @ a1654 ) | ( ~( hskp52 ) )),
% 16.02/2.98    inference('cnf.neg', [status(esa)], [clause126])).
% 16.02/2.98  thf(zip_derived_cl125, plain, (( (c2_1 @ a1654) | ~ (hskp52))),
% 16.02/2.98      inference('cnf', [status(esa)], [zf_stmt_111])).
% 16.02/2.98  thf(zip_derived_cl622, plain, (( (c2_1 @ a1654)) <= (( (c2_1 @ a1654)))),
% 16.02/2.98      inference('split', [status(esa)], [zip_derived_cl125])).
% 16.02/2.98  thf(zip_derived_cl3458, plain,
% 16.02/2.98      ((~ (c0_1 @ a1654))
% 16.02/2.98         <= (( (c2_1 @ a1654)) & 
% 16.02/2.98             (![X0 : $i]: (~ (c0_1 @ X0) | ~ (c2_1 @ X0) | ~ (c1_1 @ X0))) & 
% 16.02/2.98             (![X1 : $i]: (~ (c2_1 @ X1) |  (c1_1 @ X1) | ~ (c0_1 @ X1))))),
% 16.02/2.98      inference('s_sup+', [status(thm)],
% 16.02/2.98                [zip_derived_cl2484, zip_derived_cl622])).
% 16.02/2.98  thf(clause125, conjecture, (~( ( c0_1 @ a1654 ) | ( ~( hskp52 ) ) ))).
% 16.02/2.98  thf(zf_stmt_112, negated_conjecture, (( c0_1 @ a1654 ) | ( ~( hskp52 ) )),
% 16.02/2.98    inference('cnf.neg', [status(esa)], [clause125])).
% 16.02/2.98  thf(zip_derived_cl124, plain, (( (c0_1 @ a1654) | ~ (hskp52))),
% 16.02/2.98      inference('cnf', [status(esa)], [zf_stmt_112])).
% 16.02/2.98  thf(zip_derived_cl620, plain, (( (c0_1 @ a1654)) <= (( (c0_1 @ a1654)))),
% 16.02/2.98      inference('split', [status(esa)], [zip_derived_cl124])).
% 16.02/2.98  thf('135', plain,
% 16.02/2.98      (~ ( (c0_1 @ a1654)) | 
% 16.02/2.98       ~ (![X0 : $i]: (~ (c0_1 @ X0) | ~ (c2_1 @ X0) | ~ (c1_1 @ X0))) | 
% 16.02/2.98       ~ (![X1 : $i]: (~ (c2_1 @ X1) |  (c1_1 @ X1) | ~ (c0_1 @ X1))) | 
% 16.02/2.98       ~ ( (c2_1 @ a1654))),
% 16.02/2.98      inference('s_sup+', [status(thm)],
% 16.02/2.98                [zip_derived_cl3458, zip_derived_cl620])).
% 16.02/2.98  thf(zip_derived_cl996, plain,
% 16.02/2.98      ((![X0 : $i]: ( (c0_1 @ X0) |  (c3_1 @ X0) |  (c2_1 @ X0)))
% 16.02/2.98         <= ((![X0 : $i]: ( (c0_1 @ X0) |  (c3_1 @ X0) |  (c2_1 @ X0))))),
% 16.02/2.98      inference('split', [status(esa)], [zip_derived_cl312])).
% 16.02/2.98  thf(clause256, conjecture, (~( ( ~( hskp26 ) ) | ( ~( c2_1 @ a1691 ) ) ))).
% 16.02/2.98  thf(zf_stmt_113, negated_conjecture,
% 16.02/2.98    (( ~( hskp26 ) ) | ( ~( c2_1 @ a1691 ) )),
% 16.02/2.98    inference('cnf.neg', [status(esa)], [clause256])).
% 16.02/2.98  thf(zip_derived_cl255, plain, ((~ (hskp26) | ~ (c2_1 @ a1691))),
% 16.02/2.98      inference('cnf', [status(esa)], [zf_stmt_113])).
% 16.02/2.98  thf(zip_derived_cl882, plain, ((~ (c2_1 @ a1691)) <= (~ ( (c2_1 @ a1691)))),
% 16.02/2.98      inference('split', [status(esa)], [zip_derived_cl255])).
% 16.02/2.98  thf(zip_derived_cl1742, plain,
% 16.02/2.98      ((( (c3_1 @ a1691) |  (c0_1 @ a1691)))
% 16.02/2.98         <= (~ ( (c2_1 @ a1691)) & 
% 16.02/2.98             (![X0 : $i]: ( (c0_1 @ X0) |  (c3_1 @ X0) |  (c2_1 @ X0))))),
% 16.02/2.98      inference('s_sup-', [status(thm)], [zip_derived_cl996, zip_derived_cl882])).
% 16.02/2.98  thf('136', plain,
% 16.02/2.98      (( (c0_1 @ a1691)) | 
% 16.02/2.98       ~ (![X0 : $i]: ( (c0_1 @ X0) |  (c3_1 @ X0) |  (c2_1 @ X0))) | 
% 16.02/2.98       ( (c3_1 @ a1691)) | ( (c2_1 @ a1691))),
% 16.02/2.98      inference('split', [status(esa)], [zip_derived_cl1742])).
% 16.02/2.98  thf(clause254, conjecture, (~( ( ~( hskp26 ) ) | ( ~( c3_1 @ a1691 ) ) ))).
% 16.02/2.98  thf(zf_stmt_114, negated_conjecture,
% 16.02/2.98    (( ~( hskp26 ) ) | ( ~( c3_1 @ a1691 ) )),
% 16.02/2.98    inference('cnf.neg', [status(esa)], [clause254])).
% 16.02/2.98  thf(zip_derived_cl253, plain, ((~ (hskp26) | ~ (c3_1 @ a1691))),
% 16.02/2.98      inference('cnf', [status(esa)], [zf_stmt_114])).
% 16.02/2.98  thf('137', plain, (~ ( (c3_1 @ a1691)) | ~ ( (hskp26))),
% 16.02/2.98      inference('split', [status(esa)], [zip_derived_cl253])).
% 16.02/2.98  thf('138', plain, (~ ( (c2_1 @ a1691)) | ~ ( (hskp26))),
% 16.02/2.98      inference('split', [status(esa)], [zip_derived_cl255])).
% 16.02/2.98  thf(zip_derived_cl1100, plain,
% 16.02/2.98      ((![X1 : $i]: ( (c2_1 @ X1) | ~ (c0_1 @ X1) |  (c3_1 @ X1)))
% 16.02/2.98         <= ((![X1 : $i]: ( (c2_1 @ X1) | ~ (c0_1 @ X1) |  (c3_1 @ X1))))),
% 16.02/2.98      inference('split', [status(esa)], [zip_derived_cl338])).
% 16.02/2.98  thf(zip_derived_cl882, plain, ((~ (c2_1 @ a1691)) <= (~ ( (c2_1 @ a1691)))),
% 16.02/2.98      inference('split', [status(esa)], [zip_derived_cl255])).
% 16.02/2.98  thf(zip_derived_cl2806, plain,
% 16.02/2.98      ((( (c3_1 @ a1691) | ~ (c0_1 @ a1691)))
% 16.02/2.98         <= (~ ( (c2_1 @ a1691)) & 
% 16.02/2.98             (![X1 : $i]: ( (c2_1 @ X1) | ~ (c0_1 @ X1) |  (c3_1 @ X1))))),
% 16.02/2.98      inference('s_sup-', [status(thm)],
% 16.02/2.98                [zip_derived_cl1100, zip_derived_cl882])).
% 16.02/2.98  thf('139', plain,
% 16.02/2.98      (~ ( (c0_1 @ a1691)) | 
% 16.02/2.98       ~ (![X1 : $i]: ( (c2_1 @ X1) | ~ (c0_1 @ X1) |  (c3_1 @ X1))) | 
% 16.02/2.98       ( (c3_1 @ a1691)) | ( (c2_1 @ a1691))),
% 16.02/2.98      inference('split', [status(esa)], [zip_derived_cl2806])).
% 16.02/2.98  thf(clause356, conjecture,
% 16.02/2.98    (~( ( hskp26 ) | ( c1_1 @ U ) | ( ~( c0_1 @ V ) ) | ( ~( c3_1 @ V ) ) | 
% 16.02/2.98        ( ~( c2_1 @ V ) ) | ( ~( ndr1_0 ) ) | ( ~( c3_1 @ U ) ) | 
% 16.02/2.98        ( ~( c2_1 @ U ) ) ))).
% 16.02/2.98  thf(zf_stmt_115, negated_conjecture,
% 16.02/2.98    (( hskp26 ) | ( c1_1 @ U ) | ( ~( c0_1 @ V ) ) | ( ~( c3_1 @ V ) ) | 
% 16.02/2.98     ( ~( c2_1 @ V ) ) | ( ~( ndr1_0 ) ) | ( ~( c3_1 @ U ) ) | 
% 16.02/2.98     ( ~( c2_1 @ U ) )),
% 16.02/2.98    inference('cnf.neg', [status(esa)], [clause356])).
% 16.02/2.98  thf(zip_derived_cl355, plain,
% 16.02/2.98      (![X0 : $i, X1 : $i]:
% 16.02/2.98         ( (hskp26)
% 16.02/2.98          |  (c1_1 @ X0)
% 16.02/2.98          | ~ (c0_1 @ X1)
% 16.02/2.98          | ~ (c3_1 @ X1)
% 16.02/2.98          | ~ (c2_1 @ X1)
% 16.02/2.98          | ~ (ndr1_0)
% 16.02/2.98          | ~ (c3_1 @ X0)
% 16.02/2.98          | ~ (c2_1 @ X0))),
% 16.02/2.98      inference('cnf', [status(esa)], [zf_stmt_115])).
% 16.02/2.98  thf('140', plain,
% 16.02/2.98      (( (hskp26)) | 
% 16.02/2.98       (![X0 : $i]: (~ (c3_1 @ X0) | ~ (c2_1 @ X0) |  (c1_1 @ X0))) | 
% 16.02/2.98       (![X0 : $i]: (~ (c0_1 @ X0) | ~ (c3_1 @ X0) | ~ (c2_1 @ X0))) | 
% 16.02/2.98       ~ ( (ndr1_0))),
% 16.02/2.98      inference('split', [status(esa)], [zip_derived_cl355])).
% 16.02/2.98  thf(zip_derived_cl622, plain, (( (c2_1 @ a1654)) <= (( (c2_1 @ a1654)))),
% 16.02/2.98      inference('split', [status(esa)], [zip_derived_cl125])).
% 16.02/2.98  thf(zip_derived_cl1076, plain,
% 16.02/2.98      ((![X0 : $i]: (~ (c0_1 @ X0) | ~ (c3_1 @ X0) | ~ (c2_1 @ X0)))
% 16.02/2.98         <= ((![X0 : $i]: (~ (c0_1 @ X0) | ~ (c3_1 @ X0) | ~ (c2_1 @ X0))))),
% 16.02/2.98      inference('split', [status(esa)], [zip_derived_cl332])).
% 16.02/2.98  thf(zip_derived_cl1436, plain,
% 16.02/2.98      (((~ (c0_1 @ a1654) | ~ (c3_1 @ a1654)))
% 16.02/2.98         <= (( (c2_1 @ a1654)) & 
% 16.02/2.98             (![X0 : $i]: (~ (c0_1 @ X0) | ~ (c3_1 @ X0) | ~ (c2_1 @ X0))))),
% 16.02/2.98      inference('s_sup-', [status(thm)],
% 16.02/2.98                [zip_derived_cl622, zip_derived_cl1076])).
% 16.02/2.98  thf('141', plain,
% 16.02/2.98      (~ ( (c2_1 @ a1654)) | ~ ( (c0_1 @ a1654)) | 
% 16.02/2.98       ~ (![X0 : $i]: (~ (c0_1 @ X0) | ~ (c3_1 @ X0) | ~ (c2_1 @ X0))) | 
% 16.02/2.98       ~ ( (c3_1 @ a1654))),
% 16.02/2.98      inference('split', [status(esa)], [zip_derived_cl1436])).
% 16.02/2.98  thf(clause362, conjecture,
% 16.02/2.98    (~( ( c1_1 @ W ) | ( c0_1 @ V ) | ( c2_1 @ V ) | ( c2_1 @ U ) | 
% 16.02/2.98        ( ~( c3_1 @ W ) ) | ( ~( c2_1 @ W ) ) | ( ~( c3_1 @ V ) ) | 
% 16.02/2.98        ( ~( ndr1_0 ) ) | ( ~( c3_1 @ U ) ) | ( ~( c0_1 @ U ) ) ))).
% 16.02/2.98  thf(zf_stmt_116, negated_conjecture,
% 16.02/2.98    (( c1_1 @ W ) | ( c0_1 @ V ) | ( c2_1 @ V ) | ( c2_1 @ U ) | 
% 16.02/2.98     ( ~( c3_1 @ W ) ) | ( ~( c2_1 @ W ) ) | ( ~( c3_1 @ V ) ) | 
% 16.02/2.98     ( ~( ndr1_0 ) ) | ( ~( c3_1 @ U ) ) | ( ~( c0_1 @ U ) )),
% 16.02/2.98    inference('cnf.neg', [status(esa)], [clause362])).
% 16.02/2.98  thf(zip_derived_cl361, plain,
% 16.02/2.98      (![X0 : $i, X1 : $i, X2 : $i]:
% 16.02/2.98         ( (c1_1 @ X0)
% 16.02/2.98          |  (c0_1 @ X1)
% 16.02/2.98          |  (c2_1 @ X1)
% 16.02/2.98          |  (c2_1 @ X2)
% 16.02/2.98          | ~ (c3_1 @ X0)
% 16.02/2.98          | ~ (c2_1 @ X0)
% 16.02/2.98          | ~ (c3_1 @ X1)
% 16.02/2.98          | ~ (ndr1_0)
% 16.02/2.98          | ~ (c3_1 @ X2)
% 16.02/2.98          | ~ (c0_1 @ X2))),
% 16.02/2.98      inference('cnf', [status(esa)], [zf_stmt_116])).
% 16.02/2.98  thf('142', plain,
% 16.02/2.98      ((![X1 : $i]: ( (c2_1 @ X1) |  (c0_1 @ X1) | ~ (c3_1 @ X1))) | 
% 16.02/2.98       (![X0 : $i]: (~ (c0_1 @ X0) | ~ (c3_1 @ X0) |  (c2_1 @ X0))) | 
% 16.02/2.98       ~ ( (ndr1_0)) | 
% 16.02/2.98       (![X0 : $i]: (~ (c3_1 @ X0) | ~ (c2_1 @ X0) |  (c1_1 @ X0)))),
% 16.02/2.98      inference('split', [status(esa)], [zip_derived_cl361])).
% 16.02/2.98  thf('143', plain,
% 16.02/2.98      (( (hskp42)) | ( (hskp0)) | ~ ( (ndr1_0)) | 
% 16.02/2.98       (![X0 : $i]: (~ (c0_1 @ X0) |  (c3_1 @ X0) | ~ (c2_1 @ X0)))),
% 16.02/2.98      inference('split', [status(esa)], [zip_derived_cl321])).
% 16.02/2.98  thf('144', plain, (( (c1_1 @ a1637)) | ~ ( (hskp0))),
% 16.02/2.98      inference('split', [status(esa)], [zip_derived_cl183])).
% 16.02/2.98  thf(clause185, conjecture, (~( ( c0_1 @ a1637 ) | ( ~( hskp0 ) ) ))).
% 16.02/2.98  thf(zf_stmt_117, negated_conjecture, (( c0_1 @ a1637 ) | ( ~( hskp0 ) )),
% 16.02/2.98    inference('cnf.neg', [status(esa)], [clause185])).
% 16.02/2.98  thf(zip_derived_cl184, plain, (( (c0_1 @ a1637) | ~ (hskp0))),
% 16.02/2.98      inference('cnf', [status(esa)], [zf_stmt_117])).
% 16.02/2.98  thf('145', plain, (( (c0_1 @ a1637)) | ~ ( (hskp0))),
% 16.02/2.98      inference('split', [status(esa)], [zip_derived_cl184])).
% 16.02/2.98  thf('146', plain, (~ ( (c2_1 @ a1637)) | ~ ( (hskp0))),
% 16.02/2.98      inference('split', [status(esa)], [zip_derived_cl311])).
% 16.02/2.98  thf(zip_derived_cl738, plain, (( (c1_1 @ a1637)) <= (( (c1_1 @ a1637)))),
% 16.02/2.98      inference('split', [status(esa)], [zip_derived_cl183])).
% 16.02/2.98  thf(zip_derived_cl1152, plain,
% 16.02/2.98      ((![X1 : $i]: (~ (c1_1 @ X1) | ~ (c0_1 @ X1) | ~ (c3_1 @ X1)))
% 16.02/2.98         <= ((![X1 : $i]: (~ (c1_1 @ X1) | ~ (c0_1 @ X1) | ~ (c3_1 @ X1))))),
% 16.02/2.98      inference('split', [status(esa)], [zip_derived_cl351])).
% 16.02/2.98  thf(zip_derived_cl1644, plain,
% 16.02/2.98      (((~ (c0_1 @ a1637) | ~ (c3_1 @ a1637)))
% 16.02/2.98         <= (( (c1_1 @ a1637)) & 
% 16.02/2.98             (![X1 : $i]: (~ (c1_1 @ X1) | ~ (c0_1 @ X1) | ~ (c3_1 @ X1))))),
% 16.02/2.98      inference('s_sup-', [status(thm)],
% 16.02/2.98                [zip_derived_cl738, zip_derived_cl1152])).
% 16.02/2.98  thf('147', plain,
% 16.02/2.98      (~ ( (c3_1 @ a1637)) | ~ ( (c1_1 @ a1637)) | 
% 16.02/2.98       ~ (![X1 : $i]: (~ (c1_1 @ X1) | ~ (c0_1 @ X1) | ~ (c3_1 @ X1))) | 
% 16.02/2.98       ~ ( (c0_1 @ a1637))),
% 16.02/2.98      inference('split', [status(esa)], [zip_derived_cl1644])).
% 16.02/2.98  thf('148', plain, (( (c1_1 @ a1715)) | ~ ( (hskp72))),
% 16.02/2.98      inference('split', [status(esa)], [zip_derived_cl90])).
% 16.02/2.98  thf(clause92, conjecture, (~( ( c3_1 @ a1715 ) | ( ~( hskp72 ) ) ))).
% 16.02/2.98  thf(zf_stmt_118, negated_conjecture, (( c3_1 @ a1715 ) | ( ~( hskp72 ) )),
% 16.02/2.98    inference('cnf.neg', [status(esa)], [clause92])).
% 16.02/2.98  thf(zip_derived_cl91, plain, (( (c3_1 @ a1715) | ~ (hskp72))),
% 16.02/2.98      inference('cnf', [status(esa)], [zf_stmt_118])).
% 16.02/2.98  thf('149', plain, (( (c3_1 @ a1715)) | ~ ( (hskp72))),
% 16.02/2.98      inference('split', [status(esa)], [zip_derived_cl91])).
% 16.02/2.98  thf('150', plain, (~ ( (c2_1 @ a1715)) | ~ ( (hskp72))),
% 16.02/2.98      inference('split', [status(esa)], [zip_derived_cl188])).
% 16.02/2.98  thf(zip_derived_cl1145, plain,
% 16.02/2.98      ((![X0 : $i]: (~ (c3_1 @ X0) |  (c2_1 @ X0) | ~ (c1_1 @ X0)))
% 16.02/2.98         <= ((![X0 : $i]: (~ (c3_1 @ X0) |  (c2_1 @ X0) | ~ (c1_1 @ X0))))),
% 16.02/2.98      inference('split', [status(esa)], [zip_derived_cl349])).
% 16.02/2.98  thf(zip_derived_cl552, plain, (( (c1_1 @ a1715)) <= (( (c1_1 @ a1715)))),
% 16.02/2.98      inference('split', [status(esa)], [zip_derived_cl90])).
% 16.02/2.98  thf(zip_derived_cl2040, plain,
% 16.02/2.98      ((( (c2_1 @ a1715) | ~ (c3_1 @ a1715)))
% 16.02/2.98         <= (( (c1_1 @ a1715)) & 
% 16.02/2.98             (![X0 : $i]: (~ (c3_1 @ X0) |  (c2_1 @ X0) | ~ (c1_1 @ X0))))),
% 16.02/2.98      inference('s_sup+', [status(thm)],
% 16.02/2.98                [zip_derived_cl1145, zip_derived_cl552])).
% 16.02/2.98  thf('151', plain,
% 16.02/2.98      (~ (![X0 : $i]: (~ (c3_1 @ X0) |  (c2_1 @ X0) | ~ (c1_1 @ X0))) | 
% 16.02/2.98       ~ ( (c1_1 @ a1715)) | ( (c2_1 @ a1715)) | ~ ( (c3_1 @ a1715))),
% 16.02/2.98      inference('split', [status(esa)], [zip_derived_cl2040])).
% 16.02/2.98  thf(clause152, conjecture, (~( ( c2_1 @ a1714 ) | ( ~( hskp37 ) ) ))).
% 16.02/2.98  thf(zf_stmt_119, negated_conjecture, (( c2_1 @ a1714 ) | ( ~( hskp37 ) )),
% 16.02/2.98    inference('cnf.neg', [status(esa)], [clause152])).
% 16.02/2.98  thf(zip_derived_cl151, plain, (( (c2_1 @ a1714) | ~ (hskp37))),
% 16.02/2.98      inference('cnf', [status(esa)], [zf_stmt_119])).
% 16.02/2.98  thf(zip_derived_cl674, plain, (( (c2_1 @ a1714)) <= (( (c2_1 @ a1714)))),
% 16.02/2.98      inference('split', [status(esa)], [zip_derived_cl151])).
% 16.02/2.98  thf(zip_derived_cl1076, plain,
% 16.02/2.98      ((![X0 : $i]: (~ (c0_1 @ X0) | ~ (c3_1 @ X0) | ~ (c2_1 @ X0)))
% 16.02/2.98         <= ((![X0 : $i]: (~ (c0_1 @ X0) | ~ (c3_1 @ X0) | ~ (c2_1 @ X0))))),
% 16.02/2.98      inference('split', [status(esa)], [zip_derived_cl332])).
% 16.02/2.98  thf(zip_derived_cl1526, plain,
% 16.02/2.98      (((~ (c0_1 @ a1714) | ~ (c3_1 @ a1714)))
% 16.02/2.98         <= (( (c2_1 @ a1714)) & 
% 16.02/2.98             (![X0 : $i]: (~ (c0_1 @ X0) | ~ (c3_1 @ X0) | ~ (c2_1 @ X0))))),
% 16.02/2.98      inference('s_sup-', [status(thm)],
% 16.02/2.98                [zip_derived_cl674, zip_derived_cl1076])).
% 16.02/2.98  thf('152', plain,
% 16.02/2.98      (~ ( (c3_1 @ a1714)) | ~ ( (c2_1 @ a1714)) | 
% 16.02/2.98       ~ (![X0 : $i]: (~ (c0_1 @ X0) | ~ (c3_1 @ X0) | ~ (c2_1 @ X0))) | 
% 16.02/2.98       ~ ( (c0_1 @ a1714))),
% 16.02/2.98      inference('split', [status(esa)], [zip_derived_cl1526])).
% 16.02/2.98  thf(clause361, conjecture,
% 16.02/2.98    (~( ( c0_1 @ W ) | ( c3_1 @ W ) | ( c2_1 @ W ) | ( c1_1 @ V ) | 
% 16.02/2.98        ( ~( c2_1 @ V ) ) | ( ~( c0_1 @ V ) ) | ( ~( ndr1_0 ) ) | 
% 16.02/2.98        ( ~( c2_1 @ U ) ) | ( ~( c3_1 @ U ) ) | ( ~( c0_1 @ U ) ) ))).
% 16.02/2.98  thf(zf_stmt_120, negated_conjecture,
% 16.02/2.98    (( c0_1 @ W ) | ( c3_1 @ W ) | ( c2_1 @ W ) | ( c1_1 @ V ) | 
% 16.02/2.98     ( ~( c2_1 @ V ) ) | ( ~( c0_1 @ V ) ) | ( ~( ndr1_0 ) ) | 
% 16.02/2.98     ( ~( c2_1 @ U ) ) | ( ~( c3_1 @ U ) ) | ( ~( c0_1 @ U ) )),
% 16.02/2.98    inference('cnf.neg', [status(esa)], [clause361])).
% 16.02/2.98  thf(zip_derived_cl360, plain,
% 16.02/2.98      (![X0 : $i, X1 : $i, X2 : $i]:
% 16.02/2.98         ( (c0_1 @ X0)
% 16.02/2.98          |  (c3_1 @ X0)
% 16.02/2.98          |  (c2_1 @ X0)
% 16.02/2.98          |  (c1_1 @ X1)
% 16.02/2.98          | ~ (c2_1 @ X1)
% 16.02/2.98          | ~ (c0_1 @ X1)
% 16.02/2.98          | ~ (ndr1_0)
% 16.02/2.98          | ~ (c2_1 @ X2)
% 16.02/2.98          | ~ (c3_1 @ X2)
% 16.02/2.98          | ~ (c0_1 @ X2))),
% 16.02/2.98      inference('cnf', [status(esa)], [zf_stmt_120])).
% 16.02/2.98  thf('153', plain,
% 16.02/2.98      ((![X1 : $i]: (~ (c2_1 @ X1) |  (c1_1 @ X1) | ~ (c0_1 @ X1))) | 
% 16.02/2.98       (![X0 : $i]: ( (c0_1 @ X0) |  (c3_1 @ X0) |  (c2_1 @ X0))) | 
% 16.02/2.98       ~ ( (ndr1_0)) | 
% 16.02/2.98       (![X0 : $i]: (~ (c0_1 @ X0) | ~ (c3_1 @ X0) | ~ (c2_1 @ X0)))),
% 16.02/2.98      inference('split', [status(esa)], [zip_derived_cl360])).
% 16.02/2.98  thf('154', plain, (( (c2_1 @ a1714)) | ~ ( (hskp37))),
% 16.02/2.98      inference('split', [status(esa)], [zip_derived_cl151])).
% 16.02/2.98  thf(clause153, conjecture, (~( ( c0_1 @ a1714 ) | ( ~( hskp37 ) ) ))).
% 16.02/2.98  thf(zf_stmt_121, negated_conjecture, (( c0_1 @ a1714 ) | ( ~( hskp37 ) )),
% 16.02/2.98    inference('cnf.neg', [status(esa)], [clause153])).
% 16.02/2.98  thf(zip_derived_cl152, plain, (( (c0_1 @ a1714) | ~ (hskp37))),
% 16.02/2.98      inference('cnf', [status(esa)], [zf_stmt_121])).
% 16.02/2.98  thf('155', plain, (( (c0_1 @ a1714)) | ~ ( (hskp37))),
% 16.02/2.98      inference('split', [status(esa)], [zip_derived_cl152])).
% 16.02/2.98  thf(clause233, conjecture, (~( ( ~( hskp37 ) ) | ( ~( c1_1 @ a1714 ) ) ))).
% 16.02/2.98  thf(zf_stmt_122, negated_conjecture,
% 16.02/2.98    (( ~( hskp37 ) ) | ( ~( c1_1 @ a1714 ) )),
% 16.02/2.98    inference('cnf.neg', [status(esa)], [clause233])).
% 16.02/2.98  thf(zip_derived_cl232, plain, ((~ (hskp37) | ~ (c1_1 @ a1714))),
% 16.02/2.98      inference('cnf', [status(esa)], [zf_stmt_122])).
% 16.02/2.98  thf('156', plain, (~ ( (c1_1 @ a1714)) | ~ ( (hskp37))),
% 16.02/2.98      inference('split', [status(esa)], [zip_derived_cl232])).
% 16.02/2.98  thf(zip_derived_cl1144, plain,
% 16.02/2.98      ((![X1 : $i]: (~ (c2_1 @ X1) |  (c1_1 @ X1) | ~ (c0_1 @ X1)))
% 16.02/2.98         <= ((![X1 : $i]: (~ (c2_1 @ X1) |  (c1_1 @ X1) | ~ (c0_1 @ X1))))),
% 16.02/2.98      inference('split', [status(esa)], [zip_derived_cl349])).
% 16.02/2.98  thf(zip_derived_cl836, plain, ((~ (c1_1 @ a1714)) <= (~ ( (c1_1 @ a1714)))),
% 16.02/2.98      inference('split', [status(esa)], [zip_derived_cl232])).
% 16.02/2.98  thf(zip_derived_cl2454, plain,
% 16.02/2.98      (((~ (c0_1 @ a1714) | ~ (c2_1 @ a1714)))
% 16.02/2.98         <= (~ ( (c1_1 @ a1714)) & 
% 16.02/2.98             (![X1 : $i]: (~ (c2_1 @ X1) |  (c1_1 @ X1) | ~ (c0_1 @ X1))))),
% 16.02/2.98      inference('s_sup-', [status(thm)],
% 16.02/2.98                [zip_derived_cl1144, zip_derived_cl836])).
% 16.02/2.98  thf('157', plain,
% 16.02/2.98      (( (c1_1 @ a1714)) | ~ ( (c0_1 @ a1714)) | 
% 16.02/2.98       ~ (![X1 : $i]: (~ (c2_1 @ X1) |  (c1_1 @ X1) | ~ (c0_1 @ X1))) | 
% 16.02/2.98       ~ ( (c2_1 @ a1714))),
% 16.02/2.98      inference('split', [status(esa)], [zip_derived_cl2454])).
% 16.02/2.98  thf(clause314, conjecture,
% 16.02/2.98    (~( ( hskp72 ) | ( hskp37 ) | ( c2_1 @ U ) | ( c0_1 @ U ) | ( c3_1 @ U ) | 
% 16.02/2.98        ( ~( ndr1_0 ) ) ))).
% 16.02/2.98  thf(zf_stmt_123, negated_conjecture,
% 16.02/2.98    (( hskp72 ) | ( hskp37 ) | ( c2_1 @ U ) | ( c0_1 @ U ) | ( c3_1 @ U ) | 
% 16.02/2.98     ( ~( ndr1_0 ) )),
% 16.02/2.98    inference('cnf.neg', [status(esa)], [clause314])).
% 16.02/2.98  thf(zip_derived_cl313, plain,
% 16.02/2.98      (![X0 : $i]:
% 16.02/2.98         ( (hskp72)
% 16.02/2.98          |  (hskp37)
% 16.02/2.98          |  (c2_1 @ X0)
% 16.02/2.98          |  (c0_1 @ X0)
% 16.02/2.98          |  (c3_1 @ X0)
% 16.02/2.98          | ~ (ndr1_0))),
% 16.02/2.98      inference('cnf', [status(esa)], [zf_stmt_123])).
% 16.02/2.98  thf('158', plain,
% 16.02/2.98      (( (hskp72)) | ( (hskp37)) | ~ ( (ndr1_0)) | 
% 16.02/2.98       (![X0 : $i]: ( (c0_1 @ X0) |  (c3_1 @ X0) |  (c2_1 @ X0)))),
% 16.02/2.98      inference('split', [status(esa)], [zip_derived_cl313])).
% 16.02/2.98  thf(zip_derived_cl1121, plain,
% 16.02/2.98      ((![X0 : $i]: (~ (c0_1 @ X0) |  (c3_1 @ X0) |  (c1_1 @ X0)))
% 16.02/2.98         <= ((![X0 : $i]: (~ (c0_1 @ X0) |  (c3_1 @ X0) |  (c1_1 @ X0))))),
% 16.02/2.98      inference('split', [status(esa)], [zip_derived_cl343])).
% 16.02/2.98  thf(zip_derived_cl836, plain, ((~ (c1_1 @ a1714)) <= (~ ( (c1_1 @ a1714)))),
% 16.02/2.98      inference('split', [status(esa)], [zip_derived_cl232])).
% 16.02/2.98  thf(zip_derived_cl2931, plain,
% 16.02/2.98      ((( (c3_1 @ a1714) | ~ (c0_1 @ a1714)))
% 16.02/2.98         <= (~ ( (c1_1 @ a1714)) & 
% 16.02/2.98             (![X0 : $i]: (~ (c0_1 @ X0) |  (c3_1 @ X0) |  (c1_1 @ X0))))),
% 16.02/2.98      inference('s_sup-', [status(thm)],
% 16.02/2.98                [zip_derived_cl1121, zip_derived_cl836])).
% 16.02/2.98  thf('159', plain,
% 16.02/2.98      (~ (![X0 : $i]: (~ (c0_1 @ X0) |  (c3_1 @ X0) |  (c1_1 @ X0))) | 
% 16.02/2.98       ~ ( (c0_1 @ a1714)) | ( (c1_1 @ a1714)) | ( (c3_1 @ a1714))),
% 16.02/2.98      inference('split', [status(esa)], [zip_derived_cl2931])).
% 16.02/2.98  thf(zip_derived_cl996, plain,
% 16.02/2.98      ((![X0 : $i]: ( (c0_1 @ X0) |  (c3_1 @ X0) |  (c2_1 @ X0)))
% 16.02/2.98         <= ((![X0 : $i]: ( (c0_1 @ X0) |  (c3_1 @ X0) |  (c2_1 @ X0))))),
% 16.02/2.98      inference('split', [status(esa)], [zip_derived_cl312])).
% 16.02/2.98  thf(clause287, conjecture, (~( ( ~( hskp11 ) ) | ( ~( c2_1 @ a1664 ) ) ))).
% 16.02/2.98  thf(zf_stmt_124, negated_conjecture,
% 16.02/2.98    (( ~( hskp11 ) ) | ( ~( c2_1 @ a1664 ) )),
% 16.02/2.98    inference('cnf.neg', [status(esa)], [clause287])).
% 16.02/2.98  thf(zip_derived_cl286, plain, ((~ (hskp11) | ~ (c2_1 @ a1664))),
% 16.02/2.98      inference('cnf', [status(esa)], [zf_stmt_124])).
% 16.02/2.98  thf(zip_derived_cl944, plain, ((~ (c2_1 @ a1664)) <= (~ ( (c2_1 @ a1664)))),
% 16.02/2.98      inference('split', [status(esa)], [zip_derived_cl286])).
% 16.02/2.98  thf(zip_derived_cl1747, plain,
% 16.02/2.98      ((( (c3_1 @ a1664) |  (c0_1 @ a1664)))
% 16.02/2.98         <= (~ ( (c2_1 @ a1664)) & 
% 16.02/2.98             (![X0 : $i]: ( (c0_1 @ X0) |  (c3_1 @ X0) |  (c2_1 @ X0))))),
% 16.02/2.98      inference('s_sup-', [status(thm)], [zip_derived_cl996, zip_derived_cl944])).
% 16.02/2.98  thf('160', plain,
% 16.02/2.98      (( (c0_1 @ a1664)) | ( (c2_1 @ a1664)) | 
% 16.02/2.98       ~ (![X0 : $i]: ( (c0_1 @ X0) |  (c3_1 @ X0) |  (c2_1 @ X0))) | 
% 16.02/2.98       ( (c3_1 @ a1664))),
% 16.02/2.98      inference('split', [status(esa)], [zip_derived_cl1747])).
% 16.02/2.98  thf('161', plain,
% 16.02/2.98      ((![X0 : $i]: (~ (c0_1 @ X0) |  (c3_1 @ X0) |  (c1_1 @ X0))) | 
% 16.02/2.98       (![X1 : $i]: ( (c2_1 @ X1) |  (c0_1 @ X1) | ~ (c3_1 @ X1))) | 
% 16.02/2.98       ~ ( (ndr1_0)) | 
% 16.02/2.98       (![X0 : $i]: (~ (c0_1 @ X0) | ~ (c3_1 @ X0) |  (c2_1 @ X0)))),
% 16.02/2.98      inference('split', [status(esa)], [zip_derived_cl359])).
% 16.02/2.98  thf(zip_derived_cl1100, plain,
% 16.02/2.98      ((![X1 : $i]: ( (c2_1 @ X1) | ~ (c0_1 @ X1) |  (c3_1 @ X1)))
% 16.02/2.98         <= ((![X1 : $i]: ( (c2_1 @ X1) | ~ (c0_1 @ X1) |  (c3_1 @ X1))))),
% 16.02/2.98      inference('split', [status(esa)], [zip_derived_cl338])).
% 16.02/2.98  thf(zip_derived_cl944, plain, ((~ (c2_1 @ a1664)) <= (~ ( (c2_1 @ a1664)))),
% 16.02/2.98      inference('split', [status(esa)], [zip_derived_cl286])).
% 16.02/2.98  thf(zip_derived_cl2811, plain,
% 16.02/2.98      ((( (c3_1 @ a1664) | ~ (c0_1 @ a1664)))
% 16.02/2.98         <= (~ ( (c2_1 @ a1664)) & 
% 16.02/2.98             (![X1 : $i]: ( (c2_1 @ X1) | ~ (c0_1 @ X1) |  (c3_1 @ X1))))),
% 16.02/2.98      inference('s_sup-', [status(thm)],
% 16.02/2.98                [zip_derived_cl1100, zip_derived_cl944])).
% 16.02/2.98  thf('162', plain,
% 16.02/2.98      (~ ( (c0_1 @ a1664)) | ( (c3_1 @ a1664)) | 
% 16.02/2.98       ~ (![X1 : $i]: ( (c2_1 @ X1) | ~ (c0_1 @ X1) |  (c3_1 @ X1))) | 
% 16.02/2.98       ( (c2_1 @ a1664))),
% 16.02/2.98      inference('split', [status(esa)], [zip_derived_cl2811])).
% 16.02/2.98  thf(zip_derived_cl1185, plain,
% 16.02/2.98      ((![X1 : $i]: ( (c2_1 @ X1) |  (c0_1 @ X1) | ~ (c3_1 @ X1)))
% 16.02/2.98         <= ((![X1 : $i]: ( (c2_1 @ X1) |  (c0_1 @ X1) | ~ (c3_1 @ X1))))),
% 16.02/2.98      inference('split', [status(esa)], [zip_derived_cl359])).
% 16.02/2.98  thf(clause243, conjecture, (~( ( ~( hskp33 ) ) | ( ~( c2_1 @ a1704 ) ) ))).
% 16.02/2.98  thf(zf_stmt_125, negated_conjecture,
% 16.02/2.98    (( ~( hskp33 ) ) | ( ~( c2_1 @ a1704 ) )),
% 16.02/2.98    inference('cnf.neg', [status(esa)], [clause243])).
% 16.02/2.98  thf(zip_derived_cl242, plain, ((~ (hskp33) | ~ (c2_1 @ a1704))),
% 16.02/2.98      inference('cnf', [status(esa)], [zf_stmt_125])).
% 16.02/2.98  thf(zip_derived_cl856, plain, ((~ (c2_1 @ a1704)) <= (~ ( (c2_1 @ a1704)))),
% 16.02/2.98      inference('split', [status(esa)], [zip_derived_cl242])).
% 16.02/2.98  thf(zip_derived_cl3147, plain,
% 16.02/2.98      (((~ (c3_1 @ a1704) |  (c0_1 @ a1704)))
% 16.02/2.98         <= (~ ( (c2_1 @ a1704)) & 
% 16.02/2.98             (![X1 : $i]: ( (c2_1 @ X1) |  (c0_1 @ X1) | ~ (c3_1 @ X1))))),
% 16.02/2.98      inference('s_sup-', [status(thm)],
% 16.02/2.98                [zip_derived_cl1185, zip_derived_cl856])).
% 16.02/2.98  thf('163', plain,
% 16.02/2.98      (( (c0_1 @ a1704)) | ( (c2_1 @ a1704)) | 
% 16.02/2.98       ~ (![X1 : $i]: ( (c2_1 @ X1) |  (c0_1 @ X1) | ~ (c3_1 @ X1))) | 
% 16.02/2.98       ~ ( (c3_1 @ a1704))),
% 16.02/2.98      inference('split', [status(esa)], [zip_derived_cl3147])).
% 16.02/2.98  thf(clause286, conjecture, (~( ( ~( hskp11 ) ) | ( ~( c3_1 @ a1664 ) ) ))).
% 16.02/2.98  thf(zf_stmt_126, negated_conjecture,
% 16.02/2.98    (( ~( hskp11 ) ) | ( ~( c3_1 @ a1664 ) )),
% 16.02/2.98    inference('cnf.neg', [status(esa)], [clause286])).
% 16.02/2.98  thf(zip_derived_cl285, plain, ((~ (hskp11) | ~ (c3_1 @ a1664))),
% 16.02/2.98      inference('cnf', [status(esa)], [zf_stmt_126])).
% 16.02/2.98  thf('164', plain, (~ ( (hskp11)) | ~ ( (c3_1 @ a1664))),
% 16.02/2.98      inference('split', [status(esa)], [zip_derived_cl285])).
% 16.02/2.98  thf('165', plain, (~ ( (hskp11)) | ~ ( (c2_1 @ a1664))),
% 16.02/2.98      inference('split', [status(esa)], [zip_derived_cl286])).
% 16.02/2.98  thf(clause155, conjecture, (~( ( c3_1 @ a1704 ) | ( ~( hskp33 ) ) ))).
% 16.02/2.98  thf(zf_stmt_127, negated_conjecture, (( c3_1 @ a1704 ) | ( ~( hskp33 ) )),
% 16.02/2.98    inference('cnf.neg', [status(esa)], [clause155])).
% 16.02/2.98  thf(zip_derived_cl154, plain, (( (c3_1 @ a1704) | ~ (hskp33))),
% 16.02/2.98      inference('cnf', [status(esa)], [zf_stmt_127])).
% 16.02/2.98  thf('166', plain, (( (c3_1 @ a1704)) | ~ ( (hskp33))),
% 16.02/2.98      inference('split', [status(esa)], [zip_derived_cl154])).
% 16.02/2.98  thf(clause242, conjecture, (~( ( ~( hskp33 ) ) | ( ~( c0_1 @ a1704 ) ) ))).
% 16.02/2.98  thf(zf_stmt_128, negated_conjecture,
% 16.02/2.98    (( ~( hskp33 ) ) | ( ~( c0_1 @ a1704 ) )),
% 16.02/2.98    inference('cnf.neg', [status(esa)], [clause242])).
% 16.02/2.98  thf(zip_derived_cl241, plain, ((~ (hskp33) | ~ (c0_1 @ a1704))),
% 16.02/2.98      inference('cnf', [status(esa)], [zf_stmt_128])).
% 16.02/2.98  thf('167', plain, (~ ( (hskp33)) | ~ ( (c0_1 @ a1704))),
% 16.02/2.98      inference('split', [status(esa)], [zip_derived_cl241])).
% 16.02/2.98  thf('168', plain, (~ ( (hskp33)) | ~ ( (c2_1 @ a1704))),
% 16.02/2.98      inference('split', [status(esa)], [zip_derived_cl242])).
% 16.02/2.98  thf(clause326, conjecture,
% 16.02/2.98    (~( ( hskp57 ) | ( hskp11 ) | ( c2_1 @ U ) | ( ~( ndr1_0 ) ) | 
% 16.02/2.98        ( ~( c3_1 @ U ) ) | ( ~( c0_1 @ U ) ) ))).
% 16.02/2.98  thf(zf_stmt_129, negated_conjecture,
% 16.02/2.98    (( hskp57 ) | ( hskp11 ) | ( c2_1 @ U ) | ( ~( ndr1_0 ) ) | 
% 16.02/2.98     ( ~( c3_1 @ U ) ) | ( ~( c0_1 @ U ) )),
% 16.02/2.98    inference('cnf.neg', [status(esa)], [clause326])).
% 16.02/2.98  thf(zip_derived_cl325, plain,
% 16.02/2.98      (![X0 : $i]:
% 16.02/2.98         ( (hskp57)
% 16.02/2.98          |  (hskp11)
% 16.02/2.98          |  (c2_1 @ X0)
% 16.02/2.98          | ~ (ndr1_0)
% 16.02/2.98          | ~ (c3_1 @ X0)
% 16.02/2.98          | ~ (c0_1 @ X0))),
% 16.02/2.98      inference('cnf', [status(esa)], [zf_stmt_129])).
% 16.02/2.98  thf('169', plain,
% 16.02/2.98      (( (hskp11)) | ( (hskp57)) | ~ ( (ndr1_0)) | 
% 16.02/2.98       (![X0 : $i]: (~ (c0_1 @ X0) | ~ (c3_1 @ X0) |  (c2_1 @ X0)))),
% 16.02/2.98      inference('split', [status(esa)], [zip_derived_cl325])).
% 16.02/2.98  thf(clause330, conjecture,
% 16.02/2.98    (~( ( hskp33 ) | ( hskp61 ) | ( c2_1 @ U ) | ( ~( ndr1_0 ) ) | 
% 16.02/2.98        ( ~( c3_1 @ U ) ) | ( ~( c0_1 @ U ) ) ))).
% 16.02/2.98  thf(zf_stmt_130, negated_conjecture,
% 16.02/2.98    (( hskp33 ) | ( hskp61 ) | ( c2_1 @ U ) | ( ~( ndr1_0 ) ) | 
% 16.02/2.98     ( ~( c3_1 @ U ) ) | ( ~( c0_1 @ U ) )),
% 16.02/2.98    inference('cnf.neg', [status(esa)], [clause330])).
% 16.02/2.98  thf(zip_derived_cl329, plain,
% 16.02/2.98      (![X0 : $i]:
% 16.02/2.98         ( (hskp33)
% 16.02/2.98          |  (hskp61)
% 16.02/2.98          |  (c2_1 @ X0)
% 16.02/2.98          | ~ (ndr1_0)
% 16.02/2.98          | ~ (c3_1 @ X0)
% 16.02/2.98          | ~ (c0_1 @ X0))),
% 16.02/2.98      inference('cnf', [status(esa)], [zf_stmt_130])).
% 16.02/2.98  thf('170', plain,
% 16.02/2.98      (( (hskp61)) | ( (hskp33)) | ~ ( (ndr1_0)) | 
% 16.02/2.98       (![X0 : $i]: (~ (c0_1 @ X0) | ~ (c3_1 @ X0) |  (c2_1 @ X0)))),
% 16.02/2.98      inference('split', [status(esa)], [zip_derived_cl329])).
% 16.02/2.98  thf(zip_derived_cl1136, plain,
% 16.02/2.98      ((![X1 : $i]: ( (c2_1 @ X1) |  (c1_1 @ X1) | ~ (c3_1 @ X1)))
% 16.02/2.98         <= ((![X1 : $i]: ( (c2_1 @ X1) |  (c1_1 @ X1) | ~ (c3_1 @ X1))))),
% 16.02/2.98      inference('split', [status(esa)], [zip_derived_cl347])).
% 16.02/2.98  thf(zip_derived_cl938, plain, ((~ (c1_1 @ a1667)) <= (~ ( (c1_1 @ a1667)))),
% 16.02/2.98      inference('split', [status(esa)], [zip_derived_cl283])).
% 16.02/2.98  thf(zip_derived_cl3020, plain,
% 16.02/2.98      (((~ (c3_1 @ a1667) |  (c2_1 @ a1667)))
% 16.02/2.98         <= (~ ( (c1_1 @ a1667)) & 
% 16.02/2.98             (![X1 : $i]: ( (c2_1 @ X1) |  (c1_1 @ X1) | ~ (c3_1 @ X1))))),
% 16.02/2.98      inference('s_sup-', [status(thm)],
% 16.02/2.98                [zip_derived_cl1136, zip_derived_cl938])).
% 16.02/2.98  thf('171', plain,
% 16.02/2.98      (~ (![X1 : $i]: ( (c2_1 @ X1) |  (c1_1 @ X1) | ~ (c3_1 @ X1))) | 
% 16.02/2.98       ( (c2_1 @ a1667)) | ( (c1_1 @ a1667)) | ~ ( (c3_1 @ a1667))),
% 16.02/2.98      inference('split', [status(esa)], [zip_derived_cl3020])).
% 16.02/2.98  thf(zip_derived_cl1141, plain,
% 16.02/2.98      ((![X0 : $i]: (~ (c3_1 @ X0) | ~ (c2_1 @ X0) |  (c1_1 @ X0)))
% 16.02/2.98         <= ((![X0 : $i]: (~ (c3_1 @ X0) | ~ (c2_1 @ X0) |  (c1_1 @ X0))))),
% 16.02/2.98      inference('split', [status(esa)], [zip_derived_cl348])).
% 16.02/2.98  thf(zip_derived_cl788, plain, ((~ (c1_1 @ a1665)) <= (~ ( (c1_1 @ a1665)))),
% 16.02/2.98      inference('split', [status(esa)], [zip_derived_cl208])).
% 16.02/2.98  thf(zip_derived_cl2389, plain,
% 16.02/2.98      (((~ (c2_1 @ a1665) | ~ (c3_1 @ a1665)))
% 16.02/2.98         <= (~ ( (c1_1 @ a1665)) & 
% 16.02/2.98             (![X0 : $i]: (~ (c3_1 @ X0) | ~ (c2_1 @ X0) |  (c1_1 @ X0))))),
% 16.02/2.98      inference('s_sup-', [status(thm)],
% 16.02/2.98                [zip_derived_cl1141, zip_derived_cl788])).
% 16.02/2.98  thf('172', plain,
% 16.02/2.98      (~ ( (c2_1 @ a1665)) | ~ ( (c3_1 @ a1665)) | 
% 16.02/2.98       ~ (![X0 : $i]: (~ (c3_1 @ X0) | ~ (c2_1 @ X0) |  (c1_1 @ X0))) | 
% 16.02/2.98       ( (c1_1 @ a1665))),
% 16.02/2.98      inference('split', [status(esa)], [zip_derived_cl2389])).
% 16.02/2.98  thf(clause117, conjecture, (~( ( c3_1 @ a1665 ) | ( ~( hskp57 ) ) ))).
% 16.02/2.98  thf(zf_stmt_131, negated_conjecture, (( c3_1 @ a1665 ) | ( ~( hskp57 ) )),
% 16.02/2.98    inference('cnf.neg', [status(esa)], [clause117])).
% 16.02/2.98  thf(zip_derived_cl116, plain, (( (c3_1 @ a1665) | ~ (hskp57))),
% 16.02/2.98      inference('cnf', [status(esa)], [zf_stmt_131])).
% 16.02/2.98  thf('173', plain, (( (c3_1 @ a1665)) | ~ ( (hskp57))),
% 16.02/2.98      inference('split', [status(esa)], [zip_derived_cl116])).
% 16.02/2.98  thf('174', plain, (~ ( (c1_1 @ a1665)) | ~ ( (hskp57))),
% 16.02/2.98      inference('split', [status(esa)], [zip_derived_cl208])).
% 16.02/2.98  thf(zip_derived_cl1136, plain,
% 16.02/2.98      ((![X1 : $i]: ( (c2_1 @ X1) |  (c1_1 @ X1) | ~ (c3_1 @ X1)))
% 16.02/2.98         <= ((![X1 : $i]: ( (c2_1 @ X1) |  (c1_1 @ X1) | ~ (c3_1 @ X1))))),
% 16.02/2.98      inference('split', [status(esa)], [zip_derived_cl347])).
% 16.02/2.98  thf(zip_derived_cl788, plain, ((~ (c1_1 @ a1665)) <= (~ ( (c1_1 @ a1665)))),
% 16.02/2.98      inference('split', [status(esa)], [zip_derived_cl208])).
% 16.02/2.98  thf(zip_derived_cl3005, plain,
% 16.02/2.98      (((~ (c3_1 @ a1665) |  (c2_1 @ a1665)))
% 16.02/2.98         <= (~ ( (c1_1 @ a1665)) & 
% 16.02/2.98             (![X1 : $i]: ( (c2_1 @ X1) |  (c1_1 @ X1) | ~ (c3_1 @ X1))))),
% 16.02/2.98      inference('s_sup-', [status(thm)],
% 16.02/2.98                [zip_derived_cl1136, zip_derived_cl788])).
% 16.02/2.98  thf('175', plain,
% 16.02/2.98      (~ (![X1 : $i]: ( (c2_1 @ X1) |  (c1_1 @ X1) | ~ (c3_1 @ X1))) | 
% 16.02/2.98       ( (c2_1 @ a1665)) | ( (c1_1 @ a1665)) | ~ ( (c3_1 @ a1665))),
% 16.02/2.98      inference('split', [status(esa)], [zip_derived_cl3005])).
% 16.02/2.98  thf('176', plain, (( (c1_1 @ a1638)) | ~ ( (hskp42))),
% 16.02/2.98      inference('split', [status(esa)], [zip_derived_cl143])).
% 16.02/2.98  thf(zip_derived_cl658, plain, (( (c1_1 @ a1638)) <= (( (c1_1 @ a1638)))),
% 16.02/2.98      inference('split', [status(esa)], [zip_derived_cl143])).
% 16.02/2.98  thf(zip_derived_cl1068, plain,
% 16.02/2.98      ((![X0 : $i]: (~ (c0_1 @ X0) | ~ (c2_1 @ X0) | ~ (c1_1 @ X0)))
% 16.02/2.98         <= ((![X0 : $i]: (~ (c0_1 @ X0) | ~ (c2_1 @ X0) | ~ (c1_1 @ X0))))),
% 16.02/2.98      inference('split', [status(esa)], [zip_derived_cl330])).
% 16.02/2.98  thf(zip_derived_cl1500, plain,
% 16.02/2.98      (((~ (c0_1 @ a1638) | ~ (c2_1 @ a1638)))
% 16.02/2.98         <= (( (c1_1 @ a1638)) & 
% 16.02/2.98             (![X0 : $i]: (~ (c0_1 @ X0) | ~ (c2_1 @ X0) | ~ (c1_1 @ X0))))),
% 16.02/2.98      inference('s_sup-', [status(thm)],
% 16.02/2.98                [zip_derived_cl658, zip_derived_cl1068])).
% 16.02/2.98  thf('177', plain,
% 16.02/2.98      (~ ( (c2_1 @ a1638)) | 
% 16.02/2.98       ~ (![X0 : $i]: (~ (c0_1 @ X0) | ~ (c2_1 @ X0) | ~ (c1_1 @ X0))) | 
% 16.02/2.98       ~ ( (c0_1 @ a1638)) | ~ ( (c1_1 @ a1638))),
% 16.02/2.98      inference('split', [status(esa)], [zip_derived_cl1500])).
% 16.02/2.98  thf(clause145, conjecture, (~( ( c0_1 @ a1638 ) | ( ~( hskp42 ) ) ))).
% 16.02/2.98  thf(zf_stmt_132, negated_conjecture, (( c0_1 @ a1638 ) | ( ~( hskp42 ) )),
% 16.02/2.98    inference('cnf.neg', [status(esa)], [clause145])).
% 16.02/2.98  thf(zip_derived_cl144, plain, (( (c0_1 @ a1638) | ~ (hskp42))),
% 16.02/2.98      inference('cnf', [status(esa)], [zf_stmt_132])).
% 16.02/2.98  thf('178', plain, (( (c0_1 @ a1638)) | ~ ( (hskp42))),
% 16.02/2.98      inference('split', [status(esa)], [zip_derived_cl144])).
% 16.02/2.98  thf(clause226, conjecture, (~( ( ~( hskp42 ) ) | ( ~( c3_1 @ a1638 ) ) ))).
% 16.02/2.98  thf(zf_stmt_133, negated_conjecture,
% 16.02/2.98    (( ~( hskp42 ) ) | ( ~( c3_1 @ a1638 ) )),
% 16.02/2.98    inference('cnf.neg', [status(esa)], [clause226])).
% 16.02/2.98  thf(zip_derived_cl225, plain, ((~ (hskp42) | ~ (c3_1 @ a1638))),
% 16.02/2.98      inference('cnf', [status(esa)], [zf_stmt_133])).
% 16.02/2.98  thf('179', plain, (~ ( (c3_1 @ a1638)) | ~ ( (hskp42))),
% 16.02/2.98      inference('split', [status(esa)], [zip_derived_cl225])).
% 16.02/2.98  thf(zip_derived_cl1100, plain,
% 16.02/2.98      ((![X1 : $i]: ( (c2_1 @ X1) | ~ (c0_1 @ X1) |  (c3_1 @ X1)))
% 16.02/2.98         <= ((![X1 : $i]: ( (c2_1 @ X1) | ~ (c0_1 @ X1) |  (c3_1 @ X1))))),
% 16.02/2.98      inference('split', [status(esa)], [zip_derived_cl338])).
% 16.02/2.98  thf(zip_derived_cl1700, plain, ((~ (c2_1 @ a1638)) <= (~ ( (c2_1 @ a1638)))),
% 16.02/2.98      inference('split', [status(esa)], [zip_derived_cl1500])).
% 16.02/2.98  thf(zip_derived_cl2792, plain,
% 16.02/2.98      ((( (c3_1 @ a1638) | ~ (c0_1 @ a1638)))
% 16.02/2.98         <= (~ ( (c2_1 @ a1638)) & 
% 16.02/2.98             (![X1 : $i]: ( (c2_1 @ X1) | ~ (c0_1 @ X1) |  (c3_1 @ X1))))),
% 16.02/2.98      inference('s_sup-', [status(thm)],
% 16.02/2.98                [zip_derived_cl1100, zip_derived_cl1700])).
% 16.02/2.98  thf('180', plain,
% 16.02/2.98      (( (c2_1 @ a1638)) | ( (c3_1 @ a1638)) | 
% 16.02/2.98       ~ (![X1 : $i]: ( (c2_1 @ X1) | ~ (c0_1 @ X1) |  (c3_1 @ X1))) | 
% 16.02/2.98       ~ ( (c0_1 @ a1638))),
% 16.02/2.98      inference('split', [status(esa)], [zip_derived_cl2792])).
% 16.02/2.98  thf(zip_derived_cl1100, plain,
% 16.02/2.98      ((![X1 : $i]: ( (c2_1 @ X1) | ~ (c0_1 @ X1) |  (c3_1 @ X1)))
% 16.02/2.98         <= ((![X1 : $i]: ( (c2_1 @ X1) | ~ (c0_1 @ X1) |  (c3_1 @ X1))))),
% 16.02/2.98      inference('split', [status(esa)], [zip_derived_cl338])).
% 16.02/2.98  thf(zip_derived_cl994, plain, ((~ (c2_1 @ a1637)) <= (~ ( (c2_1 @ a1637)))),
% 16.02/2.98      inference('split', [status(esa)], [zip_derived_cl311])).
% 16.02/2.98  thf(zip_derived_cl2803, plain,
% 16.02/2.98      ((( (c3_1 @ a1637) | ~ (c0_1 @ a1637)))
% 16.02/2.98         <= (~ ( (c2_1 @ a1637)) & 
% 16.02/2.98             (![X1 : $i]: ( (c2_1 @ X1) | ~ (c0_1 @ X1) |  (c3_1 @ X1))))),
% 16.02/2.98      inference('s_sup-', [status(thm)],
% 16.02/2.98                [zip_derived_cl1100, zip_derived_cl994])).
% 16.02/2.98  thf('181', plain,
% 16.02/2.98      (( (c3_1 @ a1637)) | 
% 16.02/2.98       ~ (![X1 : $i]: ( (c2_1 @ X1) | ~ (c0_1 @ X1) |  (c3_1 @ X1))) | 
% 16.02/2.98       ( (c2_1 @ a1637)) | ~ ( (c0_1 @ a1637))),
% 16.02/2.98      inference('split', [status(esa)], [zip_derived_cl2803])).
% 16.02/2.98  thf(clause110, conjecture, (~( ( c3_1 @ a1674 ) | ( ~( hskp61 ) ) ))).
% 16.02/2.98  thf(zf_stmt_134, negated_conjecture, (( c3_1 @ a1674 ) | ( ~( hskp61 ) )),
% 16.02/2.98    inference('cnf.neg', [status(esa)], [clause110])).
% 16.02/2.98  thf(zip_derived_cl109, plain, (( (c3_1 @ a1674) | ~ (hskp61))),
% 16.02/2.98      inference('cnf', [status(esa)], [zf_stmt_134])).
% 16.02/2.98  thf('182', plain, (( (c3_1 @ a1674)) | ~ ( (hskp61))),
% 16.02/2.98      inference('split', [status(esa)], [zip_derived_cl109])).
% 16.02/2.98  thf('183', plain, (~ ( (c1_1 @ a1674)) | ~ ( (hskp61))),
% 16.02/2.98      inference('split', [status(esa)], [zip_derived_cl202])).
% 16.02/2.98  thf('184', plain, (~ ( (c2_1 @ a1674)) | ~ ( (hskp61))),
% 16.02/2.98      inference('split', [status(esa)], [zip_derived_cl203])).
% 16.02/2.98  thf(zip_derived_cl1136, plain,
% 16.02/2.98      ((![X1 : $i]: ( (c2_1 @ X1) |  (c1_1 @ X1) | ~ (c3_1 @ X1)))
% 16.02/2.98         <= ((![X1 : $i]: ( (c2_1 @ X1) |  (c1_1 @ X1) | ~ (c3_1 @ X1))))),
% 16.02/2.98      inference('split', [status(esa)], [zip_derived_cl347])).
% 16.02/2.98  thf(zip_derived_cl776, plain, ((~ (c1_1 @ a1674)) <= (~ ( (c1_1 @ a1674)))),
% 16.02/2.98      inference('split', [status(esa)], [zip_derived_cl202])).
% 16.02/2.98  thf(zip_derived_cl3002, plain,
% 16.02/2.98      (((~ (c3_1 @ a1674) |  (c2_1 @ a1674)))
% 16.02/2.98         <= (~ ( (c1_1 @ a1674)) & 
% 16.02/2.98             (![X1 : $i]: ( (c2_1 @ X1) |  (c1_1 @ X1) | ~ (c3_1 @ X1))))),
% 16.02/2.98      inference('s_sup-', [status(thm)],
% 16.02/2.98                [zip_derived_cl1136, zip_derived_cl776])).
% 16.02/2.98  thf('185', plain,
% 16.02/2.98      (~ (![X1 : $i]: ( (c2_1 @ X1) |  (c1_1 @ X1) | ~ (c3_1 @ X1))) | 
% 16.02/2.98       ( (c1_1 @ a1674)) | ( (c2_1 @ a1674)) | ~ ( (c3_1 @ a1674))),
% 16.02/2.98      inference('split', [status(esa)], [zip_derived_cl3002])).
% 16.02/2.98  thf(clause358, conjecture,
% 16.02/2.98    (~( ( hskp0 ) | ( c2_1 @ U ) | ( ~( c0_1 @ V ) ) | ( ~( c1_1 @ V ) ) | 
% 16.02/2.98        ( ~( c2_1 @ V ) ) | ( ~( ndr1_0 ) ) | ( ~( c3_1 @ U ) ) | 
% 16.02/2.98        ( ~( c1_1 @ U ) ) ))).
% 16.02/2.98  thf(zf_stmt_135, negated_conjecture,
% 16.02/2.98    (( hskp0 ) | ( c2_1 @ U ) | ( ~( c0_1 @ V ) ) | ( ~( c1_1 @ V ) ) | 
% 16.02/2.98     ( ~( c2_1 @ V ) ) | ( ~( ndr1_0 ) ) | ( ~( c3_1 @ U ) ) | 
% 16.02/2.98     ( ~( c1_1 @ U ) )),
% 16.02/2.98    inference('cnf.neg', [status(esa)], [clause358])).
% 16.02/2.98  thf(zip_derived_cl357, plain,
% 16.02/2.98      (![X0 : $i, X1 : $i]:
% 16.02/2.98         ( (hskp0)
% 16.02/2.98          |  (c2_1 @ X0)
% 16.02/2.98          | ~ (c0_1 @ X1)
% 16.02/2.98          | ~ (c1_1 @ X1)
% 16.02/2.98          | ~ (c2_1 @ X1)
% 16.02/2.98          | ~ (ndr1_0)
% 16.02/2.98          | ~ (c3_1 @ X0)
% 16.02/2.98          | ~ (c1_1 @ X0))),
% 16.02/2.98      inference('cnf', [status(esa)], [zf_stmt_135])).
% 16.02/2.98  thf('186', plain,
% 16.02/2.98      (( (hskp0)) | 
% 16.02/2.98       (![X0 : $i]: (~ (c0_1 @ X0) | ~ (c2_1 @ X0) | ~ (c1_1 @ X0))) | 
% 16.02/2.98       (![X0 : $i]: (~ (c3_1 @ X0) |  (c2_1 @ X0) | ~ (c1_1 @ X0))) | 
% 16.02/2.98       ~ ( (ndr1_0))),
% 16.02/2.98      inference('split', [status(esa)], [zip_derived_cl357])).
% 16.02/2.98  thf(clause172, conjecture, (~( ( c2_1 @ a1671 ) | ( ~( hskp14 ) ) ))).
% 16.02/2.98  thf(zf_stmt_136, negated_conjecture, (( c2_1 @ a1671 ) | ( ~( hskp14 ) )),
% 16.02/2.98    inference('cnf.neg', [status(esa)], [clause172])).
% 16.02/2.98  thf(zip_derived_cl171, plain, (( (c2_1 @ a1671) | ~ (hskp14))),
% 16.02/2.98      inference('cnf', [status(esa)], [zf_stmt_136])).
% 16.02/2.98  thf('187', plain, (( (c2_1 @ a1671)) | ~ ( (hskp14))),
% 16.02/2.98      inference('split', [status(esa)], [zip_derived_cl171])).
% 16.02/2.98  thf(clause282, conjecture, (~( ( ~( hskp14 ) ) | ( ~( c1_1 @ a1671 ) ) ))).
% 16.02/2.98  thf(zf_stmt_137, negated_conjecture,
% 16.02/2.98    (( ~( hskp14 ) ) | ( ~( c1_1 @ a1671 ) )),
% 16.02/2.98    inference('cnf.neg', [status(esa)], [clause282])).
% 16.02/2.98  thf(zip_derived_cl281, plain, ((~ (hskp14) | ~ (c1_1 @ a1671))),
% 16.02/2.98      inference('cnf', [status(esa)], [zf_stmt_137])).
% 16.02/2.98  thf('188', plain, (~ ( (c1_1 @ a1671)) | ~ ( (hskp14))),
% 16.02/2.98      inference('split', [status(esa)], [zip_derived_cl281])).
% 16.02/2.98  thf(clause283, conjecture, (~( ( ~( hskp14 ) ) | ( ~( c3_1 @ a1671 ) ) ))).
% 16.02/2.98  thf(zf_stmt_138, negated_conjecture,
% 16.02/2.98    (( ~( hskp14 ) ) | ( ~( c3_1 @ a1671 ) )),
% 16.02/2.98    inference('cnf.neg', [status(esa)], [clause283])).
% 16.02/2.98  thf(zip_derived_cl282, plain, ((~ (hskp14) | ~ (c3_1 @ a1671))),
% 16.02/2.98      inference('cnf', [status(esa)], [zf_stmt_138])).
% 16.02/2.98  thf('189', plain, (~ ( (c3_1 @ a1671)) | ~ ( (hskp14))),
% 16.02/2.98      inference('split', [status(esa)], [zip_derived_cl282])).
% 16.02/2.98  thf(zip_derived_cl1012, plain,
% 16.02/2.98      ((![X0 : $i]: ( (c3_1 @ X0) | ~ (c2_1 @ X0) |  (c1_1 @ X0)))
% 16.02/2.98         <= ((![X0 : $i]: ( (c3_1 @ X0) | ~ (c2_1 @ X0) |  (c1_1 @ X0))))),
% 16.02/2.98      inference('split', [status(esa)], [zip_derived_cl316])).
% 16.02/2.98  thf(zip_derived_cl934, plain, ((~ (c1_1 @ a1671)) <= (~ ( (c1_1 @ a1671)))),
% 16.02/2.98      inference('split', [status(esa)], [zip_derived_cl281])).
% 16.02/2.98  thf(zip_derived_cl2251, plain,
% 16.02/2.98      (((~ (c2_1 @ a1671) |  (c3_1 @ a1671)))
% 16.02/2.98         <= (~ ( (c1_1 @ a1671)) & 
% 16.02/2.98             (![X0 : $i]: ( (c3_1 @ X0) | ~ (c2_1 @ X0) |  (c1_1 @ X0))))),
% 16.02/2.98      inference('s_sup-', [status(thm)],
% 16.02/2.98                [zip_derived_cl1012, zip_derived_cl934])).
% 16.02/2.98  thf('190', plain,
% 16.02/2.98      (~ (![X0 : $i]: ( (c3_1 @ X0) | ~ (c2_1 @ X0) |  (c1_1 @ X0))) | 
% 16.02/2.98       ( (c1_1 @ a1671)) | ( (c3_1 @ a1671)) | ~ ( (c2_1 @ a1671))),
% 16.02/2.98      inference('split', [status(esa)], [zip_derived_cl2251])).
% 16.02/2.98  thf(clause138, conjecture, (~( ( c2_1 @ a1641 ) | ( ~( hskp45 ) ) ))).
% 16.02/2.98  thf(zf_stmt_139, negated_conjecture, (( c2_1 @ a1641 ) | ( ~( hskp45 ) )),
% 16.02/2.98    inference('cnf.neg', [status(esa)], [clause138])).
% 16.02/2.98  thf(zip_derived_cl137, plain, (( (c2_1 @ a1641) | ~ (hskp45))),
% 16.02/2.98      inference('cnf', [status(esa)], [zf_stmt_139])).
% 16.02/2.98  thf('191', plain, (( (c2_1 @ a1641)) | ~ ( (hskp45))),
% 16.02/2.98      inference('split', [status(esa)], [zip_derived_cl137])).
% 16.02/2.98  thf(clause223, conjecture, (~( ( ~( hskp45 ) ) | ( ~( c3_1 @ a1641 ) ) ))).
% 16.02/2.98  thf(zf_stmt_140, negated_conjecture,
% 16.02/2.98    (( ~( hskp45 ) ) | ( ~( c3_1 @ a1641 ) )),
% 16.02/2.98    inference('cnf.neg', [status(esa)], [clause223])).
% 16.02/2.98  thf(zip_derived_cl222, plain, ((~ (hskp45) | ~ (c3_1 @ a1641))),
% 16.02/2.98      inference('cnf', [status(esa)], [zf_stmt_140])).
% 16.02/2.98  thf('192', plain, (~ ( (c3_1 @ a1641)) | ~ ( (hskp45))),
% 16.02/2.98      inference('split', [status(esa)], [zip_derived_cl222])).
% 16.02/2.98  thf(clause224, conjecture, (~( ( ~( hskp45 ) ) | ( ~( c1_1 @ a1641 ) ) ))).
% 16.02/2.98  thf(zf_stmt_141, negated_conjecture,
% 16.02/2.98    (( ~( hskp45 ) ) | ( ~( c1_1 @ a1641 ) )),
% 16.02/2.98    inference('cnf.neg', [status(esa)], [clause224])).
% 16.02/2.98  thf(zip_derived_cl223, plain, ((~ (hskp45) | ~ (c1_1 @ a1641))),
% 16.02/2.98      inference('cnf', [status(esa)], [zf_stmt_141])).
% 16.02/2.98  thf('193', plain, (~ ( (c1_1 @ a1641)) | ~ ( (hskp45))),
% 16.02/2.98      inference('split', [status(esa)], [zip_derived_cl223])).
% 16.02/2.98  thf(zip_derived_cl1012, plain,
% 16.02/2.98      ((![X0 : $i]: ( (c3_1 @ X0) | ~ (c2_1 @ X0) |  (c1_1 @ X0)))
% 16.02/2.98         <= ((![X0 : $i]: ( (c3_1 @ X0) | ~ (c2_1 @ X0) |  (c1_1 @ X0))))),
% 16.02/2.98      inference('split', [status(esa)], [zip_derived_cl316])).
% 16.02/2.98  thf(zip_derived_cl818, plain, ((~ (c1_1 @ a1641)) <= (~ ( (c1_1 @ a1641)))),
% 16.02/2.98      inference('split', [status(esa)], [zip_derived_cl223])).
% 16.02/2.98  thf(zip_derived_cl2240, plain,
% 16.02/2.98      (((~ (c2_1 @ a1641) |  (c3_1 @ a1641)))
% 16.02/2.98         <= (~ ( (c1_1 @ a1641)) & 
% 16.02/2.98             (![X0 : $i]: ( (c3_1 @ X0) | ~ (c2_1 @ X0) |  (c1_1 @ X0))))),
% 16.02/2.98      inference('s_sup-', [status(thm)],
% 16.02/2.98                [zip_derived_cl1012, zip_derived_cl818])).
% 16.02/2.98  thf('194', plain,
% 16.02/2.98      (~ (![X0 : $i]: ( (c3_1 @ X0) | ~ (c2_1 @ X0) |  (c1_1 @ X0))) | 
% 16.02/2.98       ( (c3_1 @ a1641)) | ( (c1_1 @ a1641)) | ~ ( (c2_1 @ a1641))),
% 16.02/2.98      inference('split', [status(esa)], [zip_derived_cl2240])).
% 16.02/2.98  thf(clause163, conjecture, (~( ( c2_1 @ a1694 ) | ( ~( hskp28 ) ) ))).
% 16.02/2.98  thf(zf_stmt_142, negated_conjecture, (( c2_1 @ a1694 ) | ( ~( hskp28 ) )),
% 16.02/2.98    inference('cnf.neg', [status(esa)], [clause163])).
% 16.02/2.98  thf(zip_derived_cl162, plain, (( (c2_1 @ a1694) | ~ (hskp28))),
% 16.02/2.98      inference('cnf', [status(esa)], [zf_stmt_142])).
% 16.02/2.98  thf('195', plain, (( (c2_1 @ a1694)) | ~ ( (hskp28))),
% 16.02/2.98      inference('split', [status(esa)], [zip_derived_cl162])).
% 16.02/2.98  thf(clause249, conjecture, (~( ( ~( hskp28 ) ) | ( ~( c1_1 @ a1694 ) ) ))).
% 16.02/2.98  thf(zf_stmt_143, negated_conjecture,
% 16.02/2.98    (( ~( hskp28 ) ) | ( ~( c1_1 @ a1694 ) )),
% 16.02/2.98    inference('cnf.neg', [status(esa)], [clause249])).
% 16.02/2.98  thf(zip_derived_cl248, plain, ((~ (hskp28) | ~ (c1_1 @ a1694))),
% 16.02/2.98      inference('cnf', [status(esa)], [zf_stmt_143])).
% 16.02/2.98  thf('196', plain, (~ ( (c1_1 @ a1694)) | ~ ( (hskp28))),
% 16.02/2.98      inference('split', [status(esa)], [zip_derived_cl248])).
% 16.02/2.98  thf(clause250, conjecture, (~( ( ~( hskp28 ) ) | ( ~( c3_1 @ a1694 ) ) ))).
% 16.02/2.98  thf(zf_stmt_144, negated_conjecture,
% 16.02/2.98    (( ~( hskp28 ) ) | ( ~( c3_1 @ a1694 ) )),
% 16.02/2.98    inference('cnf.neg', [status(esa)], [clause250])).
% 16.02/2.98  thf(zip_derived_cl249, plain, ((~ (hskp28) | ~ (c3_1 @ a1694))),
% 16.02/2.98      inference('cnf', [status(esa)], [zf_stmt_144])).
% 16.02/2.98  thf('197', plain, (~ ( (c3_1 @ a1694)) | ~ ( (hskp28))),
% 16.02/2.98      inference('split', [status(esa)], [zip_derived_cl249])).
% 16.02/2.98  thf(zip_derived_cl1012, plain,
% 16.02/2.98      ((![X0 : $i]: ( (c3_1 @ X0) | ~ (c2_1 @ X0) |  (c1_1 @ X0)))
% 16.02/2.98         <= ((![X0 : $i]: ( (c3_1 @ X0) | ~ (c2_1 @ X0) |  (c1_1 @ X0))))),
% 16.02/2.98      inference('split', [status(esa)], [zip_derived_cl316])).
% 16.02/2.98  thf(zip_derived_cl868, plain, ((~ (c1_1 @ a1694)) <= (~ ( (c1_1 @ a1694)))),
% 16.02/2.98      inference('split', [status(esa)], [zip_derived_cl248])).
% 16.02/2.98  thf(zip_derived_cl2246, plain,
% 16.02/2.98      (((~ (c2_1 @ a1694) |  (c3_1 @ a1694)))
% 16.02/2.98         <= (~ ( (c1_1 @ a1694)) & 
% 16.02/2.98             (![X0 : $i]: ( (c3_1 @ X0) | ~ (c2_1 @ X0) |  (c1_1 @ X0))))),
% 16.02/2.98      inference('s_sup-', [status(thm)],
% 16.02/2.98                [zip_derived_cl1012, zip_derived_cl868])).
% 16.02/2.98  thf('198', plain,
% 16.02/2.98      (~ (![X0 : $i]: ( (c3_1 @ X0) | ~ (c2_1 @ X0) |  (c1_1 @ X0))) | 
% 16.02/2.98       ( (c1_1 @ a1694)) | ( (c3_1 @ a1694)) | ~ ( (c2_1 @ a1694))),
% 16.02/2.98      inference('split', [status(esa)], [zip_derived_cl2246])).
% 16.02/2.98  thf(clause363, conjecture,
% 16.02/2.98    (~( ( c3_1 @ W ) | ( c1_1 @ V ) | ( c1_1 @ U ) | ( c0_1 @ U ) | 
% 16.02/2.98        ( ~( c2_1 @ W ) ) | ( ~( c1_1 @ W ) ) | ( ~( c3_1 @ V ) ) | 
% 16.02/2.98        ( ~( c0_1 @ V ) ) | ( ~( ndr1_0 ) ) | ( ~( c3_1 @ U ) ) ))).
% 16.02/2.98  thf(zf_stmt_145, negated_conjecture,
% 16.02/2.98    (( c3_1 @ W ) | ( c1_1 @ V ) | ( c1_1 @ U ) | ( c0_1 @ U ) | 
% 16.02/2.98     ( ~( c2_1 @ W ) ) | ( ~( c1_1 @ W ) ) | ( ~( c3_1 @ V ) ) | 
% 16.02/2.98     ( ~( c0_1 @ V ) ) | ( ~( ndr1_0 ) ) | ( ~( c3_1 @ U ) )),
% 16.02/2.98    inference('cnf.neg', [status(esa)], [clause363])).
% 16.02/2.98  thf(zip_derived_cl362, plain,
% 16.02/2.98      (![X0 : $i, X1 : $i, X2 : $i]:
% 16.02/2.98         ( (c3_1 @ X0)
% 16.02/2.98          |  (c1_1 @ X1)
% 16.02/2.98          |  (c1_1 @ X2)
% 16.02/2.98          |  (c0_1 @ X2)
% 16.02/2.98          | ~ (c2_1 @ X0)
% 16.02/2.98          | ~ (c1_1 @ X0)
% 16.02/2.98          | ~ (c3_1 @ X1)
% 16.02/2.98          | ~ (c0_1 @ X1)
% 16.02/2.98          | ~ (ndr1_0)
% 16.02/2.98          | ~ (c3_1 @ X2))),
% 16.02/2.98      inference('cnf', [status(esa)], [zf_stmt_145])).
% 16.02/2.98  thf('199', plain,
% 16.02/2.98      ((![X0 : $i]: ( (c3_1 @ X0) | ~ (c2_1 @ X0) | ~ (c1_1 @ X0))) | 
% 16.02/2.98       (![X0 : $i]: ( (c0_1 @ X0) | ~ (c3_1 @ X0) |  (c1_1 @ X0))) | 
% 16.02/2.98       ~ ( (ndr1_0)) | 
% 16.02/2.98       (![X0 : $i]: (~ (c0_1 @ X0) | ~ (c3_1 @ X0) |  (c1_1 @ X0)))),
% 16.02/2.98      inference('split', [status(esa)], [zip_derived_cl362])).
% 16.02/2.98  thf(zip_derived_cl1141, plain,
% 16.02/2.98      ((![X0 : $i]: (~ (c3_1 @ X0) | ~ (c2_1 @ X0) |  (c1_1 @ X0)))
% 16.02/2.98         <= ((![X0 : $i]: (~ (c3_1 @ X0) | ~ (c2_1 @ X0) |  (c1_1 @ X0))))),
% 16.02/2.98      inference('split', [status(esa)], [zip_derived_cl348])).
% 16.02/2.98  thf(zip_derived_cl938, plain, ((~ (c1_1 @ a1667)) <= (~ ( (c1_1 @ a1667)))),
% 16.02/2.98      inference('split', [status(esa)], [zip_derived_cl283])).
% 16.02/2.98  thf(zip_derived_cl2404, plain,
% 16.02/2.98      (((~ (c2_1 @ a1667) | ~ (c3_1 @ a1667)))
% 16.02/2.98         <= (~ ( (c1_1 @ a1667)) & 
% 16.02/2.98             (![X0 : $i]: (~ (c3_1 @ X0) | ~ (c2_1 @ X0) |  (c1_1 @ X0))))),
% 16.02/2.98      inference('s_sup-', [status(thm)],
% 16.02/2.98                [zip_derived_cl1141, zip_derived_cl938])).
% 16.02/2.98  thf('200', plain,
% 16.02/2.98      (~ ( (c2_1 @ a1667)) | 
% 16.02/2.98       ~ (![X0 : $i]: (~ (c3_1 @ X0) | ~ (c2_1 @ X0) |  (c1_1 @ X0))) | 
% 16.02/2.98       ( (c1_1 @ a1667)) | ~ ( (c3_1 @ a1667))),
% 16.02/2.98      inference('split', [status(esa)], [zip_derived_cl2404])).
% 16.02/2.98  thf('201', plain, (( (c2_1 @ a1654)) | ~ ( (hskp52))),
% 16.02/2.98      inference('split', [status(esa)], [zip_derived_cl125])).
% 16.02/2.98  thf(zip_derived_cl1141, plain,
% 16.02/2.98      ((![X0 : $i]: (~ (c3_1 @ X0) | ~ (c2_1 @ X0) |  (c1_1 @ X0)))
% 16.02/2.98         <= ((![X0 : $i]: (~ (c3_1 @ X0) | ~ (c2_1 @ X0) |  (c1_1 @ X0))))),
% 16.02/2.98      inference('split', [status(esa)], [zip_derived_cl348])).
% 16.02/2.98  thf(zip_derived_cl1072, plain,
% 16.02/2.98      ((![X0 : $i]: (~ (c3_1 @ X0) | ~ (c2_1 @ X0) | ~ (c1_1 @ X0)))
% 16.02/2.98         <= ((![X0 : $i]: (~ (c3_1 @ X0) | ~ (c2_1 @ X0) | ~ (c1_1 @ X0))))),
% 16.02/2.98      inference('split', [status(esa)], [zip_derived_cl331])).
% 16.02/2.98  thf(zip_derived_cl2377, plain,
% 16.02/2.98      ((![X0 : $i]:
% 16.02/2.98          (~ (c2_1 @ X0) | ~ (c3_1 @ X0) | ~ (c3_1 @ X0) | ~ (c2_1 @ X0)))
% 16.02/2.98         <= ((![X0 : $i]: (~ (c3_1 @ X0) | ~ (c2_1 @ X0) | ~ (c1_1 @ X0))) & 
% 16.02/2.98             (![X0 : $i]: (~ (c3_1 @ X0) | ~ (c2_1 @ X0) |  (c1_1 @ X0))))),
% 16.02/2.98      inference('s_sup-', [status(thm)],
% 16.02/2.98                [zip_derived_cl1141, zip_derived_cl1072])).
% 16.02/2.98  thf(zip_derived_cl2428, plain,
% 16.02/2.98      ((![X0 : $i]: (~ (c3_1 @ X0) | ~ (c2_1 @ X0)))
% 16.02/2.98         <= ((![X0 : $i]: (~ (c3_1 @ X0) | ~ (c2_1 @ X0) | ~ (c1_1 @ X0))) & 
% 16.02/2.98             (![X0 : $i]: (~ (c3_1 @ X0) | ~ (c2_1 @ X0) |  (c1_1 @ X0))))),
% 16.02/2.98      inference('simplify', [status(thm)], [zip_derived_cl2377])).
% 16.02/2.98  thf(zip_derived_cl622, plain, (( (c2_1 @ a1654)) <= (( (c2_1 @ a1654)))),
% 16.02/2.98      inference('split', [status(esa)], [zip_derived_cl125])).
% 16.02/2.98  thf(zip_derived_cl3394, plain,
% 16.02/2.98      ((~ (c3_1 @ a1654))
% 16.02/2.98         <= (( (c2_1 @ a1654)) & 
% 16.02/2.98             (![X0 : $i]: (~ (c3_1 @ X0) | ~ (c2_1 @ X0) | ~ (c1_1 @ X0))) & 
% 16.02/2.98             (![X0 : $i]: (~ (c3_1 @ X0) | ~ (c2_1 @ X0) |  (c1_1 @ X0))))),
% 16.02/2.98      inference('s_sup+', [status(thm)],
% 16.02/2.98                [zip_derived_cl2428, zip_derived_cl622])).
% 16.02/2.98  thf(clause127, conjecture, (~( ( c3_1 @ a1654 ) | ( ~( hskp52 ) ) ))).
% 16.02/2.98  thf(zf_stmt_146, negated_conjecture, (( c3_1 @ a1654 ) | ( ~( hskp52 ) )),
% 16.02/2.98    inference('cnf.neg', [status(esa)], [clause127])).
% 16.02/2.98  thf(zip_derived_cl126, plain, (( (c3_1 @ a1654) | ~ (hskp52))),
% 16.02/2.98      inference('cnf', [status(esa)], [zf_stmt_146])).
% 16.02/2.98  thf(zip_derived_cl624, plain, (( (c3_1 @ a1654)) <= (( (c3_1 @ a1654)))),
% 16.02/2.98      inference('split', [status(esa)], [zip_derived_cl126])).
% 16.02/2.98  thf('202', plain,
% 16.02/2.98      (~ ( (c2_1 @ a1654)) | ~ ( (c3_1 @ a1654)) | 
% 16.02/2.98       ~ (![X0 : $i]: (~ (c3_1 @ X0) | ~ (c2_1 @ X0) |  (c1_1 @ X0))) | 
% 16.02/2.98       ~ (![X0 : $i]: (~ (c3_1 @ X0) | ~ (c2_1 @ X0) | ~ (c1_1 @ X0)))),
% 16.02/2.98      inference('s_sup+', [status(thm)],
% 16.02/2.98                [zip_derived_cl3394, zip_derived_cl624])).
% 16.02/2.98  thf(clause175, conjecture, (~( ( c2_1 @ a1666 ) | ( ~( hskp12 ) ) ))).
% 16.02/2.98  thf(zf_stmt_147, negated_conjecture, (( c2_1 @ a1666 ) | ( ~( hskp12 ) )),
% 16.02/2.98    inference('cnf.neg', [status(esa)], [clause175])).
% 16.02/2.98  thf(zip_derived_cl174, plain, (( (c2_1 @ a1666) | ~ (hskp12))),
% 16.02/2.98      inference('cnf', [status(esa)], [zf_stmt_147])).
% 16.02/2.98  thf('203', plain, (~ ( (hskp12)) | ( (c2_1 @ a1666))),
% 16.02/2.98      inference('split', [status(esa)], [zip_derived_cl174])).
% 16.02/2.98  thf(clause176, conjecture, (~( ( c3_1 @ a1666 ) | ( ~( hskp12 ) ) ))).
% 16.02/2.98  thf(zf_stmt_148, negated_conjecture, (( c3_1 @ a1666 ) | ( ~( hskp12 ) )),
% 16.02/2.98    inference('cnf.neg', [status(esa)], [clause176])).
% 16.02/2.98  thf(zip_derived_cl175, plain, (( (c3_1 @ a1666) | ~ (hskp12))),
% 16.02/2.98      inference('cnf', [status(esa)], [zf_stmt_148])).
% 16.02/2.98  thf('204', plain, (~ ( (hskp12)) | ( (c3_1 @ a1666))),
% 16.02/2.98      inference('split', [status(esa)], [zip_derived_cl175])).
% 16.02/2.98  thf(clause285, conjecture, (~( ( ~( hskp12 ) ) | ( ~( c1_1 @ a1666 ) ) ))).
% 16.02/2.98  thf(zf_stmt_149, negated_conjecture,
% 16.02/2.98    (( ~( hskp12 ) ) | ( ~( c1_1 @ a1666 ) )),
% 16.02/2.98    inference('cnf.neg', [status(esa)], [clause285])).
% 16.02/2.98  thf(zip_derived_cl284, plain, ((~ (hskp12) | ~ (c1_1 @ a1666))),
% 16.02/2.98      inference('cnf', [status(esa)], [zf_stmt_149])).
% 16.02/2.98  thf('205', plain, (~ ( (hskp12)) | ~ ( (c1_1 @ a1666))),
% 16.02/2.98      inference('split', [status(esa)], [zip_derived_cl284])).
% 16.02/2.98  thf(zip_derived_cl1141, plain,
% 16.02/2.98      ((![X0 : $i]: (~ (c3_1 @ X0) | ~ (c2_1 @ X0) |  (c1_1 @ X0)))
% 16.02/2.98         <= ((![X0 : $i]: (~ (c3_1 @ X0) | ~ (c2_1 @ X0) |  (c1_1 @ X0))))),
% 16.02/2.98      inference('split', [status(esa)], [zip_derived_cl348])).
% 16.02/2.98  thf(zip_derived_cl940, plain, ((~ (c1_1 @ a1666)) <= (~ ( (c1_1 @ a1666)))),
% 16.02/2.98      inference('split', [status(esa)], [zip_derived_cl284])).
% 16.02/2.98  thf(zip_derived_cl2405, plain,
% 16.02/2.98      (((~ (c2_1 @ a1666) | ~ (c3_1 @ a1666)))
% 16.02/2.98         <= (~ ( (c1_1 @ a1666)) & 
% 16.02/2.98             (![X0 : $i]: (~ (c3_1 @ X0) | ~ (c2_1 @ X0) |  (c1_1 @ X0))))),
% 16.02/2.98      inference('s_sup-', [status(thm)],
% 16.02/2.98                [zip_derived_cl1141, zip_derived_cl940])).
% 16.02/2.98  thf('206', plain,
% 16.02/2.98      (( (c1_1 @ a1666)) | ~ ( (c2_1 @ a1666)) | 
% 16.02/2.98       ~ (![X0 : $i]: (~ (c3_1 @ X0) | ~ (c2_1 @ X0) |  (c1_1 @ X0))) | 
% 16.02/2.98       ~ ( (c3_1 @ a1666))),
% 16.02/2.98      inference('split', [status(esa)], [zip_derived_cl2405])).
% 16.02/2.98  thf('207', plain,
% 16.02/2.98      (( (hskp13)) | ( (hskp12)) | 
% 16.02/2.98       (![X0 : $i]: (~ (c3_1 @ X0) | ~ (c2_1 @ X0) | ~ (c1_1 @ X0))) | 
% 16.02/2.98       ~ ( (ndr1_0))),
% 16.02/2.98      inference('split', [status(esa)], [zip_derived_cl331])).
% 16.02/2.98  thf(clause297, conjecture, (~( ( ~( hskp7 ) ) | ( ~( c2_1 @ a1655 ) ) ))).
% 16.02/2.98  thf(zf_stmt_150, negated_conjecture,
% 16.02/2.98    (( ~( hskp7 ) ) | ( ~( c2_1 @ a1655 ) )),
% 16.02/2.98    inference('cnf.neg', [status(esa)], [clause297])).
% 16.02/2.98  thf(zip_derived_cl296, plain, ((~ (hskp7) | ~ (c2_1 @ a1655))),
% 16.02/2.98      inference('cnf', [status(esa)], [zf_stmt_150])).
% 16.02/2.98  thf('208', plain, (~ ( (c2_1 @ a1655)) | ~ ( (hskp7))),
% 16.02/2.98      inference('split', [status(esa)], [zip_derived_cl296])).
% 16.02/2.98  thf(zip_derived_cl1036, plain,
% 16.02/2.98      ((![X0 : $i]: (~ (c0_1 @ X0) | ~ (c3_1 @ X0) |  (c2_1 @ X0)))
% 16.02/2.98         <= ((![X0 : $i]: (~ (c0_1 @ X0) | ~ (c3_1 @ X0) |  (c2_1 @ X0))))),
% 16.02/2.98      inference('split', [status(esa)], [zip_derived_cl322])).
% 16.02/2.98  thf(zip_derived_cl964, plain, ((~ (c2_1 @ a1655)) <= (~ ( (c2_1 @ a1655)))),
% 16.02/2.98      inference('split', [status(esa)], [zip_derived_cl296])).
% 16.02/2.98  thf(zip_derived_cl2182, plain,
% 16.02/2.98      (((~ (c3_1 @ a1655) | ~ (c0_1 @ a1655)))
% 16.02/2.98         <= (~ ( (c2_1 @ a1655)) & 
% 16.02/2.98             (![X0 : $i]: (~ (c0_1 @ X0) | ~ (c3_1 @ X0) |  (c2_1 @ X0))))),
% 16.02/2.98      inference('s_sup-', [status(thm)],
% 16.02/2.98                [zip_derived_cl1036, zip_derived_cl964])).
% 16.02/2.98  thf('209', plain,
% 16.02/2.98      (~ (![X0 : $i]: (~ (c0_1 @ X0) | ~ (c3_1 @ X0) |  (c2_1 @ X0))) | 
% 16.02/2.98       ~ ( (c3_1 @ a1655)) | ( (c2_1 @ a1655)) | ~ ( (c0_1 @ a1655))),
% 16.02/2.98      inference('split', [status(esa)], [zip_derived_cl2182])).
% 16.02/2.98  thf(zip_derived_cl4032, plain, ((~ (c2_1 @ a1667)) <= (~ ( (c2_1 @ a1667)))),
% 16.02/2.98      inference('split', [status(esa)], [zip_derived_cl2404])).
% 16.02/2.98  thf(zip_derived_cl1036, plain,
% 16.02/2.98      ((![X0 : $i]: (~ (c0_1 @ X0) | ~ (c3_1 @ X0) |  (c2_1 @ X0)))
% 16.02/2.98         <= ((![X0 : $i]: (~ (c0_1 @ X0) | ~ (c3_1 @ X0) |  (c2_1 @ X0))))),
% 16.02/2.98      inference('split', [status(esa)], [zip_derived_cl322])).
% 16.02/2.98  thf(zip_derived_cl4035, plain,
% 16.02/2.98      (((~ (c0_1 @ a1667) | ~ (c3_1 @ a1667)))
% 16.02/2.98         <= (~ ( (c2_1 @ a1667)) & 
% 16.02/2.98             (![X0 : $i]: (~ (c0_1 @ X0) | ~ (c3_1 @ X0) |  (c2_1 @ X0))))),
% 16.02/2.98      inference('s_sup+', [status(thm)],
% 16.02/2.98                [zip_derived_cl4032, zip_derived_cl1036])).
% 16.02/2.98  thf('210', plain,
% 16.02/2.98      (~ (![X0 : $i]: (~ (c0_1 @ X0) | ~ (c3_1 @ X0) |  (c2_1 @ X0))) | 
% 16.02/2.98       ( (c2_1 @ a1667)) | ~ ( (c0_1 @ a1667)) | ~ ( (c3_1 @ a1667))),
% 16.02/2.98      inference('split', [status(esa)], [zip_derived_cl4035])).
% 16.02/2.98  thf(clause111, conjecture, (~( ( c3_1 @ a1673 ) | ( ~( hskp60 ) ) ))).
% 16.02/2.98  thf(zf_stmt_151, negated_conjecture, (( c3_1 @ a1673 ) | ( ~( hskp60 ) )),
% 16.02/2.98    inference('cnf.neg', [status(esa)], [clause111])).
% 16.02/2.98  thf(zip_derived_cl110, plain, (( (c3_1 @ a1673) | ~ (hskp60))),
% 16.02/2.98      inference('cnf', [status(esa)], [zf_stmt_151])).
% 16.02/2.98  thf('211', plain, (( (c3_1 @ a1673)) | ~ ( (hskp60))),
% 16.02/2.98      inference('split', [status(esa)], [zip_derived_cl110])).
% 16.02/2.98  thf(clause112, conjecture, (~( ( c2_1 @ a1673 ) | ( ~( hskp60 ) ) ))).
% 16.02/2.98  thf(zf_stmt_152, negated_conjecture, (( c2_1 @ a1673 ) | ( ~( hskp60 ) )),
% 16.02/2.98    inference('cnf.neg', [status(esa)], [clause112])).
% 16.02/2.98  thf(zip_derived_cl111, plain, (( (c2_1 @ a1673) | ~ (hskp60))),
% 16.02/2.98      inference('cnf', [status(esa)], [zf_stmt_152])).
% 16.02/2.98  thf('212', plain, (( (c2_1 @ a1673)) | ~ ( (hskp60))),
% 16.02/2.98      inference('split', [status(esa)], [zip_derived_cl111])).
% 16.02/2.98  thf(clause205, conjecture, (~( ( ~( hskp60 ) ) | ( ~( c1_1 @ a1673 ) ) ))).
% 16.02/2.98  thf(zf_stmt_153, negated_conjecture,
% 16.02/2.98    (( ~( hskp60 ) ) | ( ~( c1_1 @ a1673 ) )),
% 16.02/2.98    inference('cnf.neg', [status(esa)], [clause205])).
% 16.02/2.98  thf(zip_derived_cl204, plain, ((~ (hskp60) | ~ (c1_1 @ a1673))),
% 16.02/2.98      inference('cnf', [status(esa)], [zf_stmt_153])).
% 16.02/2.98  thf('213', plain, (~ ( (c1_1 @ a1673)) | ~ ( (hskp60))),
% 16.02/2.98      inference('split', [status(esa)], [zip_derived_cl204])).
% 16.02/2.98  thf(zip_derived_cl1141, plain,
% 16.02/2.98      ((![X0 : $i]: (~ (c3_1 @ X0) | ~ (c2_1 @ X0) |  (c1_1 @ X0)))
% 16.02/2.98         <= ((![X0 : $i]: (~ (c3_1 @ X0) | ~ (c2_1 @ X0) |  (c1_1 @ X0))))),
% 16.02/2.98      inference('split', [status(esa)], [zip_derived_cl348])).
% 16.02/2.98  thf(zip_derived_cl780, plain, ((~ (c1_1 @ a1673)) <= (~ ( (c1_1 @ a1673)))),
% 16.02/2.98      inference('split', [status(esa)], [zip_derived_cl204])).
% 16.02/2.98  thf(zip_derived_cl2387, plain,
% 16.02/2.98      (((~ (c2_1 @ a1673) | ~ (c3_1 @ a1673)))
% 16.02/2.98         <= (~ ( (c1_1 @ a1673)) & 
% 16.02/2.98             (![X0 : $i]: (~ (c3_1 @ X0) | ~ (c2_1 @ X0) |  (c1_1 @ X0))))),
% 16.02/2.98      inference('s_sup-', [status(thm)],
% 16.02/2.98                [zip_derived_cl1141, zip_derived_cl780])).
% 16.02/2.98  thf('214', plain,
% 16.02/2.98      (~ ( (c2_1 @ a1673)) | ( (c1_1 @ a1673)) | 
% 16.02/2.98       ~ (![X0 : $i]: (~ (c3_1 @ X0) | ~ (c2_1 @ X0) |  (c1_1 @ X0))) | 
% 16.02/2.98       ~ ( (c3_1 @ a1673))),
% 16.02/2.98      inference('split', [status(esa)], [zip_derived_cl2387])).
% 16.02/2.98  thf(clause150, conjecture, (~( ( c3_1 @ a1721 ) | ( ~( hskp39 ) ) ))).
% 16.02/2.98  thf(zf_stmt_154, negated_conjecture, (( c3_1 @ a1721 ) | ( ~( hskp39 ) )),
% 16.02/2.98    inference('cnf.neg', [status(esa)], [clause150])).
% 16.02/2.98  thf(zip_derived_cl149, plain, (( (c3_1 @ a1721) | ~ (hskp39))),
% 16.02/2.98      inference('cnf', [status(esa)], [zf_stmt_154])).
% 16.02/2.98  thf('215', plain, (( (c3_1 @ a1721)) | ~ ( (hskp39))),
% 16.02/2.98      inference('split', [status(esa)], [zip_derived_cl149])).
% 16.02/2.98  thf('216', plain, (~ ( (hskp39)) | ~ ( (c1_1 @ a1721))),
% 16.02/2.98      inference('split', [status(esa)], [zip_derived_cl228])).
% 16.02/2.98  thf(clause230, conjecture, (~( ( ~( hskp39 ) ) | ( ~( c0_1 @ a1721 ) ) ))).
% 16.02/2.98  thf(zf_stmt_155, negated_conjecture,
% 16.02/2.98    (( ~( hskp39 ) ) | ( ~( c0_1 @ a1721 ) )),
% 16.02/2.98    inference('cnf.neg', [status(esa)], [clause230])).
% 16.02/2.98  thf(zip_derived_cl229, plain, ((~ (hskp39) | ~ (c0_1 @ a1721))),
% 16.02/2.98      inference('cnf', [status(esa)], [zf_stmt_155])).
% 16.02/2.98  thf('217', plain, (~ ( (hskp39)) | ~ ( (c0_1 @ a1721))),
% 16.02/2.98      inference('split', [status(esa)], [zip_derived_cl229])).
% 16.02/2.98  thf(zip_derived_cl1004, plain,
% 16.02/2.98      ((![X0 : $i]: ( (c0_1 @ X0) | ~ (c3_1 @ X0) |  (c1_1 @ X0)))
% 16.02/2.98         <= ((![X0 : $i]: ( (c0_1 @ X0) | ~ (c3_1 @ X0) |  (c1_1 @ X0))))),
% 16.02/2.98      inference('split', [status(esa)], [zip_derived_cl314])).
% 16.02/2.98  thf(zip_derived_cl828, plain, ((~ (c1_1 @ a1721)) <= (~ ( (c1_1 @ a1721)))),
% 16.02/2.98      inference('split', [status(esa)], [zip_derived_cl228])).
% 16.02/2.98  thf(zip_derived_cl1997, plain,
% 16.02/2.98      (((~ (c3_1 @ a1721) |  (c0_1 @ a1721)))
% 16.02/2.98         <= (~ ( (c1_1 @ a1721)) & 
% 16.02/2.98             (![X0 : $i]: ( (c0_1 @ X0) | ~ (c3_1 @ X0) |  (c1_1 @ X0))))),
% 16.02/2.98      inference('s_sup-', [status(thm)],
% 16.02/2.98                [zip_derived_cl1004, zip_derived_cl828])).
% 16.02/2.98  thf('218', plain,
% 16.02/2.98      (( (c1_1 @ a1721)) | ( (c0_1 @ a1721)) | 
% 16.02/2.98       ~ (![X0 : $i]: ( (c0_1 @ X0) | ~ (c3_1 @ X0) |  (c1_1 @ X0))) | 
% 16.02/2.98       ~ ( (c3_1 @ a1721))),
% 16.02/2.98      inference('split', [status(esa)], [zip_derived_cl1997])).
% 16.02/2.98  thf('219', plain, (( (c0_1 @ a1654)) | ~ ( (hskp52))),
% 16.02/2.98      inference('split', [status(esa)], [zip_derived_cl124])).
% 16.02/2.98  thf('220', plain, (( (c3_1 @ a1654)) | ~ ( (hskp52))),
% 16.02/2.98      inference('split', [status(esa)], [zip_derived_cl126])).
% 16.02/2.98  thf('221', plain, (( (c2_1 @ a1656)) | ~ ( (hskp53))),
% 16.02/2.98      inference('split', [status(esa)], [zip_derived_cl122])).
% 16.02/2.98  thf('222', plain, (( (c0_1 @ a1656)) | ~ ( (hskp53))),
% 16.02/2.98      inference('split', [status(esa)], [zip_derived_cl123])).
% 16.02/2.98  thf(clause214, conjecture, (~( ( ~( hskp53 ) ) | ( ~( c3_1 @ a1656 ) ) ))).
% 16.02/2.98  thf(zf_stmt_156, negated_conjecture,
% 16.02/2.98    (( ~( hskp53 ) ) | ( ~( c3_1 @ a1656 ) )),
% 16.02/2.98    inference('cnf.neg', [status(esa)], [clause214])).
% 16.02/2.98  thf(zip_derived_cl213, plain, ((~ (hskp53) | ~ (c3_1 @ a1656))),
% 16.02/2.98      inference('cnf', [status(esa)], [zf_stmt_156])).
% 16.02/2.98  thf('223', plain, (~ ( (c3_1 @ a1656)) | ~ ( (hskp53))),
% 16.02/2.98      inference('split', [status(esa)], [zip_derived_cl213])).
% 16.02/2.98  thf(zip_derived_cl1032, plain,
% 16.02/2.98      ((![X0 : $i]: (~ (c0_1 @ X0) |  (c3_1 @ X0) | ~ (c2_1 @ X0)))
% 16.02/2.98         <= ((![X0 : $i]: (~ (c0_1 @ X0) |  (c3_1 @ X0) | ~ (c2_1 @ X0))))),
% 16.02/2.98      inference('split', [status(esa)], [zip_derived_cl321])).
% 16.02/2.98  thf(zip_derived_cl616, plain, (( (c2_1 @ a1656)) <= (( (c2_1 @ a1656)))),
% 16.02/2.98      inference('split', [status(esa)], [zip_derived_cl122])).
% 16.02/2.98  thf(zip_derived_cl1654, plain,
% 16.02/2.98      ((( (c3_1 @ a1656) | ~ (c0_1 @ a1656)))
% 16.02/2.98         <= (( (c2_1 @ a1656)) & 
% 16.02/2.98             (![X0 : $i]: (~ (c0_1 @ X0) |  (c3_1 @ X0) | ~ (c2_1 @ X0))))),
% 16.02/2.98      inference('s_sup+', [status(thm)],
% 16.02/2.98                [zip_derived_cl1032, zip_derived_cl616])).
% 16.02/2.98  thf('224', plain,
% 16.02/2.98      (~ ( (c2_1 @ a1656)) | ( (c3_1 @ a1656)) | 
% 16.02/2.98       ~ (![X0 : $i]: (~ (c0_1 @ X0) |  (c3_1 @ X0) | ~ (c2_1 @ X0))) | 
% 16.02/2.98       ~ ( (c0_1 @ a1656))),
% 16.02/2.98      inference('split', [status(esa)], [zip_derived_cl1654])).
% 16.02/2.98  thf(clause83, conjecture, (~( ( hskp53 ) | ( hskp52 ) | ( hskp29 ) ))).
% 16.02/2.98  thf(zf_stmt_157, negated_conjecture, (( hskp53 ) | ( hskp52 ) | ( hskp29 )),
% 16.02/2.98    inference('cnf.neg', [status(esa)], [clause83])).
% 16.02/2.98  thf(zip_derived_cl82, plain, (( (hskp53) |  (hskp52) |  (hskp29))),
% 16.02/2.98      inference('cnf', [status(esa)], [zf_stmt_157])).
% 16.02/2.98  thf('225', plain, (( (hskp52)) | ( (hskp29)) | ( (hskp53))),
% 16.02/2.98      inference('split', [status(esa)], [zip_derived_cl82])).
% 16.02/2.98  thf(clause324, conjecture,
% 16.02/2.98    (~( ( hskp7 ) | ( hskp52 ) | ( c3_1 @ U ) | ( ~( ndr1_0 ) ) | 
% 16.02/2.98        ( ~( c0_1 @ U ) ) | ( ~( c2_1 @ U ) ) ))).
% 16.02/2.98  thf(zf_stmt_158, negated_conjecture,
% 16.02/2.98    (( hskp7 ) | ( hskp52 ) | ( c3_1 @ U ) | ( ~( ndr1_0 ) ) | 
% 16.02/2.98     ( ~( c0_1 @ U ) ) | ( ~( c2_1 @ U ) )),
% 16.02/2.98    inference('cnf.neg', [status(esa)], [clause324])).
% 16.02/2.98  thf(zip_derived_cl323, plain,
% 16.02/2.98      (![X0 : $i]:
% 16.02/2.98         ( (hskp7)
% 16.02/2.98          |  (hskp52)
% 16.02/2.98          |  (c3_1 @ X0)
% 16.02/2.98          | ~ (ndr1_0)
% 16.02/2.98          | ~ (c0_1 @ X0)
% 16.02/2.98          | ~ (c2_1 @ X0))),
% 16.02/2.98      inference('cnf', [status(esa)], [zf_stmt_158])).
% 16.02/2.98  thf('226', plain,
% 16.02/2.98      (( (hskp52)) | ( (hskp7)) | ~ ( (ndr1_0)) | 
% 16.02/2.98       (![X0 : $i]: (~ (c0_1 @ X0) |  (c3_1 @ X0) | ~ (c2_1 @ X0)))),
% 16.02/2.98      inference('split', [status(esa)], [zip_derived_cl323])).
% 16.02/2.98  thf(clause178, conjecture, (~( ( c3_1 @ a1655 ) | ( ~( hskp7 ) ) ))).
% 16.02/2.98  thf(zf_stmt_159, negated_conjecture, (( c3_1 @ a1655 ) | ( ~( hskp7 ) )),
% 16.02/2.98    inference('cnf.neg', [status(esa)], [clause178])).
% 16.02/2.98  thf(zip_derived_cl177, plain, (( (c3_1 @ a1655) | ~ (hskp7))),
% 16.02/2.98      inference('cnf', [status(esa)], [zf_stmt_159])).
% 16.02/2.98  thf('227', plain, (( (c3_1 @ a1655)) | ~ ( (hskp7))),
% 16.02/2.98      inference('split', [status(esa)], [zip_derived_cl177])).
% 16.02/2.98  thf(clause179, conjecture, (~( ( c0_1 @ a1655 ) | ( ~( hskp7 ) ) ))).
% 16.02/2.98  thf(zf_stmt_160, negated_conjecture, (( c0_1 @ a1655 ) | ( ~( hskp7 ) )),
% 16.02/2.98    inference('cnf.neg', [status(esa)], [clause179])).
% 16.02/2.98  thf(zip_derived_cl178, plain, (( (c0_1 @ a1655) | ~ (hskp7))),
% 16.02/2.98      inference('cnf', [status(esa)], [zf_stmt_160])).
% 16.02/2.98  thf('228', plain, (( (c0_1 @ a1655)) | ~ ( (hskp7))),
% 16.02/2.98      inference('split', [status(esa)], [zip_derived_cl178])).
% 16.02/2.98  thf(zip_derived_cl1152, plain,
% 16.02/2.98      ((![X1 : $i]: (~ (c1_1 @ X1) | ~ (c0_1 @ X1) | ~ (c3_1 @ X1)))
% 16.02/2.98         <= ((![X1 : $i]: (~ (c1_1 @ X1) | ~ (c0_1 @ X1) | ~ (c3_1 @ X1))))),
% 16.02/2.98      inference('split', [status(esa)], [zip_derived_cl351])).
% 16.02/2.98  thf(zip_derived_cl1056, plain,
% 16.02/2.98      ((![X0 : $i]: (~ (c0_1 @ X0) | ~ (c3_1 @ X0) |  (c1_1 @ X0)))
% 16.02/2.98         <= ((![X0 : $i]: (~ (c0_1 @ X0) | ~ (c3_1 @ X0) |  (c1_1 @ X0))))),
% 16.02/2.98      inference('split', [status(esa)], [zip_derived_cl327])).
% 16.02/2.98  thf(zip_derived_cl2342, plain,
% 16.02/2.98      ((![X0 : $i]:
% 16.02/2.98          (~ (c3_1 @ X0) | ~ (c0_1 @ X0) | ~ (c0_1 @ X0) | ~ (c3_1 @ X0)))
% 16.02/2.98         <= ((![X0 : $i]: (~ (c0_1 @ X0) | ~ (c3_1 @ X0) |  (c1_1 @ X0))) & 
% 16.02/2.98             (![X1 : $i]: (~ (c1_1 @ X1) | ~ (c0_1 @ X1) | ~ (c3_1 @ X1))))),
% 16.02/2.98      inference('s_sup+', [status(thm)],
% 16.02/2.98                [zip_derived_cl1152, zip_derived_cl1056])).
% 16.02/2.98  thf(zip_derived_cl2348, plain,
% 16.02/2.98      ((![X0 : $i]: (~ (c0_1 @ X0) | ~ (c3_1 @ X0)))
% 16.02/2.98         <= ((![X0 : $i]: (~ (c0_1 @ X0) | ~ (c3_1 @ X0) |  (c1_1 @ X0))) & 
% 16.02/2.98             (![X1 : $i]: (~ (c1_1 @ X1) | ~ (c0_1 @ X1) | ~ (c3_1 @ X1))))),
% 16.02/2.98      inference('simplify', [status(thm)], [zip_derived_cl2342])).
% 16.02/2.98  thf(zip_derived_cl728, plain, (( (c0_1 @ a1655)) <= (( (c0_1 @ a1655)))),
% 16.02/2.98      inference('split', [status(esa)], [zip_derived_cl178])).
% 16.02/2.98  thf(zip_derived_cl3353, plain,
% 16.02/2.98      ((~ (c3_1 @ a1655))
% 16.02/2.98         <= (( (c0_1 @ a1655)) & 
% 16.02/2.98             (![X0 : $i]: (~ (c0_1 @ X0) | ~ (c3_1 @ X0) |  (c1_1 @ X0))) & 
% 16.02/2.98             (![X1 : $i]: (~ (c1_1 @ X1) | ~ (c0_1 @ X1) | ~ (c3_1 @ X1))))),
% 16.02/2.98      inference('s_sup+', [status(thm)],
% 16.02/2.98                [zip_derived_cl2348, zip_derived_cl728])).
% 16.02/2.98  thf(zip_derived_cl726, plain, (( (c3_1 @ a1655)) <= (( (c3_1 @ a1655)))),
% 16.02/2.98      inference('split', [status(esa)], [zip_derived_cl177])).
% 16.02/2.98  thf('229', plain,
% 16.02/2.98      (~ (![X0 : $i]: (~ (c0_1 @ X0) | ~ (c3_1 @ X0) |  (c1_1 @ X0))) | 
% 16.02/2.98       ~ ( (c3_1 @ a1655)) | 
% 16.02/2.98       ~ (![X1 : $i]: (~ (c1_1 @ X1) | ~ (c0_1 @ X1) | ~ (c3_1 @ X1))) | 
% 16.02/2.98       ~ ( (c0_1 @ a1655))),
% 16.02/2.98      inference('s_sup+', [status(thm)],
% 16.02/2.98                [zip_derived_cl3353, zip_derived_cl726])).
% 16.02/2.98  thf(zip_derived_cl2348, plain,
% 16.02/2.98      ((![X0 : $i]: (~ (c0_1 @ X0) | ~ (c3_1 @ X0)))
% 16.02/2.98         <= ((![X0 : $i]: (~ (c0_1 @ X0) | ~ (c3_1 @ X0) |  (c1_1 @ X0))) & 
% 16.02/2.98             (![X1 : $i]: (~ (c1_1 @ X1) | ~ (c0_1 @ X1) | ~ (c3_1 @ X1))))),
% 16.02/2.98      inference('simplify', [status(thm)], [zip_derived_cl2342])).
% 16.02/2.98  thf(zip_derived_cl620, plain, (( (c0_1 @ a1654)) <= (( (c0_1 @ a1654)))),
% 16.02/2.98      inference('split', [status(esa)], [zip_derived_cl124])).
% 16.02/2.98  thf(zip_derived_cl3342, plain,
% 16.02/2.98      ((~ (c3_1 @ a1654))
% 16.02/2.98         <= (( (c0_1 @ a1654)) & 
% 16.02/2.98             (![X0 : $i]: (~ (c0_1 @ X0) | ~ (c3_1 @ X0) |  (c1_1 @ X0))) & 
% 16.02/2.98             (![X1 : $i]: (~ (c1_1 @ X1) | ~ (c0_1 @ X1) | ~ (c3_1 @ X1))))),
% 16.02/2.98      inference('s_sup+', [status(thm)],
% 16.02/2.98                [zip_derived_cl2348, zip_derived_cl620])).
% 16.02/2.98  thf(zip_derived_cl624, plain, (( (c3_1 @ a1654)) <= (( (c3_1 @ a1654)))),
% 16.02/2.98      inference('split', [status(esa)], [zip_derived_cl126])).
% 16.02/2.98  thf('230', plain,
% 16.02/2.98      (~ ( (c0_1 @ a1654)) | ~ ( (c3_1 @ a1654)) | 
% 16.02/2.98       ~ (![X1 : $i]: (~ (c1_1 @ X1) | ~ (c0_1 @ X1) | ~ (c3_1 @ X1))) | 
% 16.02/2.98       ~ (![X0 : $i]: (~ (c0_1 @ X0) | ~ (c3_1 @ X0) |  (c1_1 @ X0)))),
% 16.02/2.98      inference('s_sup+', [status(thm)],
% 16.02/2.98                [zip_derived_cl3342, zip_derived_cl624])).
% 16.02/2.98  thf(zip_derived_cl1052, plain,
% 16.02/2.98      ((![X0 : $i]: ( (c0_1 @ X0) | ~ (c3_1 @ X0) | ~ (c1_1 @ X0)))
% 16.02/2.98         <= ((![X0 : $i]: ( (c0_1 @ X0) | ~ (c3_1 @ X0) | ~ (c1_1 @ X0))))),
% 16.02/2.98      inference('split', [status(esa)], [zip_derived_cl326])).
% 16.02/2.98  thf(zip_derived_cl570, plain, (( (c1_1 @ a1702)) <= (( (c1_1 @ a1702)))),
% 16.02/2.98      inference('split', [status(esa)], [zip_derived_cl99])).
% 16.02/2.98  thf(zip_derived_cl1763, plain,
% 16.02/2.98      (((~ (c3_1 @ a1702) |  (c0_1 @ a1702)))
% 16.02/2.98         <= (( (c1_1 @ a1702)) & 
% 16.02/2.98             (![X0 : $i]: ( (c0_1 @ X0) | ~ (c3_1 @ X0) | ~ (c1_1 @ X0))))),
% 16.02/2.98      inference('s_sup+', [status(thm)],
% 16.02/2.98                [zip_derived_cl1052, zip_derived_cl570])).
% 16.02/2.98  thf('231', plain,
% 16.02/2.98      (( (c0_1 @ a1702)) | 
% 16.02/2.98       ~ (![X0 : $i]: ( (c0_1 @ X0) | ~ (c3_1 @ X0) | ~ (c1_1 @ X0))) | 
% 16.02/2.98       ~ ( (c3_1 @ a1702)) | ~ ( (c1_1 @ a1702))),
% 16.02/2.98      inference('split', [status(esa)], [zip_derived_cl1763])).
% 16.02/2.98  thf(clause354, conjecture,
% 16.02/2.98    (~( ( hskp40 ) | ( c3_1 @ V ) | ( c1_1 @ V ) | ( ~( c2_1 @ V ) ) | 
% 16.02/2.98        ( ~( ndr1_0 ) ) | ( ~( c3_1 @ U ) ) | ( ~( c1_1 @ U ) ) | 
% 16.02/2.98        ( ~( c0_1 @ U ) ) ))).
% 16.02/2.98  thf(zf_stmt_161, negated_conjecture,
% 16.02/2.98    (( hskp40 ) | ( c3_1 @ V ) | ( c1_1 @ V ) | ( ~( c2_1 @ V ) ) | 
% 16.02/2.98     ( ~( ndr1_0 ) ) | ( ~( c3_1 @ U ) ) | ( ~( c1_1 @ U ) ) | 
% 16.02/2.98     ( ~( c0_1 @ U ) )),
% 16.02/2.98    inference('cnf.neg', [status(esa)], [clause354])).
% 16.02/2.98  thf(zip_derived_cl353, plain,
% 16.02/2.98      (![X0 : $i, X1 : $i]:
% 16.02/2.98         ( (hskp40)
% 16.02/2.98          |  (c3_1 @ X0)
% 16.02/2.98          |  (c1_1 @ X0)
% 16.02/2.98          | ~ (c2_1 @ X0)
% 16.02/2.98          | ~ (ndr1_0)
% 16.02/2.98          | ~ (c3_1 @ X1)
% 16.02/2.98          | ~ (c1_1 @ X1)
% 16.02/2.98          | ~ (c0_1 @ X1))),
% 16.02/2.98      inference('cnf', [status(esa)], [zf_stmt_161])).
% 16.02/2.98  thf('232', plain,
% 16.02/2.98      (( (hskp40)) | 
% 16.02/2.98       (![X1 : $i]: (~ (c1_1 @ X1) | ~ (c0_1 @ X1) | ~ (c3_1 @ X1))) | 
% 16.02/2.98       ~ ( (ndr1_0)) | 
% 16.02/2.98       (![X0 : $i]: ( (c3_1 @ X0) | ~ (c2_1 @ X0) |  (c1_1 @ X0)))),
% 16.02/2.98      inference('split', [status(esa)], [zip_derived_cl353])).
% 16.02/2.98  thf(clause148, conjecture, (~( ( c1_1 @ a1725 ) | ( ~( hskp40 ) ) ))).
% 16.02/2.98  thf(zf_stmt_162, negated_conjecture, (( c1_1 @ a1725 ) | ( ~( hskp40 ) )),
% 16.02/2.98    inference('cnf.neg', [status(esa)], [clause148])).
% 16.02/2.98  thf(zip_derived_cl147, plain, (( (c1_1 @ a1725) | ~ (hskp40))),
% 16.02/2.98      inference('cnf', [status(esa)], [zf_stmt_162])).
% 16.02/2.98  thf('233', plain, (( (c1_1 @ a1725)) | ~ ( (hskp40))),
% 16.02/2.98      inference('split', [status(esa)], [zip_derived_cl147])).
% 16.02/2.98  thf(clause149, conjecture, (~( ( c3_1 @ a1725 ) | ( ~( hskp40 ) ) ))).
% 16.02/2.98  thf(zf_stmt_163, negated_conjecture, (( c3_1 @ a1725 ) | ( ~( hskp40 ) )),
% 16.02/2.98    inference('cnf.neg', [status(esa)], [clause149])).
% 16.02/2.98  thf(zip_derived_cl148, plain, (( (c3_1 @ a1725) | ~ (hskp40))),
% 16.02/2.98      inference('cnf', [status(esa)], [zf_stmt_163])).
% 16.02/2.98  thf('234', plain, (( (c3_1 @ a1725)) | ~ ( (hskp40))),
% 16.02/2.98      inference('split', [status(esa)], [zip_derived_cl148])).
% 16.02/2.98  thf(clause228, conjecture, (~( ( ~( hskp40 ) ) | ( ~( c2_1 @ a1725 ) ) ))).
% 16.02/2.98  thf(zf_stmt_164, negated_conjecture,
% 16.02/2.98    (( ~( hskp40 ) ) | ( ~( c2_1 @ a1725 ) )),
% 16.02/2.98    inference('cnf.neg', [status(esa)], [clause228])).
% 16.02/2.98  thf(zip_derived_cl227, plain, ((~ (hskp40) | ~ (c2_1 @ a1725))),
% 16.02/2.98      inference('cnf', [status(esa)], [zf_stmt_164])).
% 16.02/2.98  thf('235', plain, (~ ( (c2_1 @ a1725)) | ~ ( (hskp40))),
% 16.02/2.98      inference('split', [status(esa)], [zip_derived_cl227])).
% 16.02/2.98  thf(zip_derived_cl1145, plain,
% 16.02/2.98      ((![X0 : $i]: (~ (c3_1 @ X0) |  (c2_1 @ X0) | ~ (c1_1 @ X0)))
% 16.02/2.98         <= ((![X0 : $i]: (~ (c3_1 @ X0) |  (c2_1 @ X0) | ~ (c1_1 @ X0))))),
% 16.02/2.98      inference('split', [status(esa)], [zip_derived_cl349])).
% 16.02/2.98  thf(zip_derived_cl666, plain, (( (c1_1 @ a1725)) <= (( (c1_1 @ a1725)))),
% 16.02/2.98      inference('split', [status(esa)], [zip_derived_cl147])).
% 16.02/2.98  thf(zip_derived_cl2051, plain,
% 16.02/2.98      ((( (c2_1 @ a1725) | ~ (c3_1 @ a1725)))
% 16.02/2.98         <= (( (c1_1 @ a1725)) & 
% 16.02/2.98             (![X0 : $i]: (~ (c3_1 @ X0) |  (c2_1 @ X0) | ~ (c1_1 @ X0))))),
% 16.02/2.98      inference('s_sup+', [status(thm)],
% 16.02/2.98                [zip_derived_cl1145, zip_derived_cl666])).
% 16.02/2.98  thf('236', plain,
% 16.02/2.98      (~ (![X0 : $i]: (~ (c3_1 @ X0) |  (c2_1 @ X0) | ~ (c1_1 @ X0))) | 
% 16.02/2.98       ~ ( (c1_1 @ a1725)) | ( (c2_1 @ a1725)) | ~ ( (c3_1 @ a1725))),
% 16.02/2.98      inference('split', [status(esa)], [zip_derived_cl2051])).
% 16.02/2.98  thf(clause357, conjecture,
% 16.02/2.98    (~( ( hskp13 ) | ( c2_1 @ V ) | ( ~( c3_1 @ V ) ) | ( ~( c1_1 @ V ) ) | 
% 16.02/2.98        ( ~( ndr1_0 ) ) | ( ~( c3_1 @ U ) ) | ( ~( c0_1 @ U ) ) | 
% 16.02/2.98        ( ~( c1_1 @ U ) ) ))).
% 16.02/2.98  thf(zf_stmt_165, negated_conjecture,
% 16.02/2.98    (( hskp13 ) | ( c2_1 @ V ) | ( ~( c3_1 @ V ) ) | ( ~( c1_1 @ V ) ) | 
% 16.02/2.98     ( ~( ndr1_0 ) ) | ( ~( c3_1 @ U ) ) | ( ~( c0_1 @ U ) ) | 
% 16.02/2.98     ( ~( c1_1 @ U ) )),
% 16.02/2.98    inference('cnf.neg', [status(esa)], [clause357])).
% 16.02/2.98  thf(zip_derived_cl356, plain,
% 16.02/2.98      (![X0 : $i, X1 : $i]:
% 16.02/2.98         ( (hskp13)
% 16.02/2.98          |  (c2_1 @ X0)
% 16.02/2.98          | ~ (c3_1 @ X0)
% 16.02/2.98          | ~ (c1_1 @ X0)
% 16.02/2.98          | ~ (ndr1_0)
% 16.02/2.98          | ~ (c3_1 @ X1)
% 16.02/2.98          | ~ (c0_1 @ X1)
% 16.02/2.98          | ~ (c1_1 @ X1))),
% 16.02/2.98      inference('cnf', [status(esa)], [zf_stmt_165])).
% 16.02/2.98  thf('237', plain,
% 16.02/2.98      (( (hskp13)) | 
% 16.02/2.98       (![X0 : $i]: (~ (c3_1 @ X0) |  (c2_1 @ X0) | ~ (c1_1 @ X0))) | 
% 16.02/2.98       (![X1 : $i]: (~ (c1_1 @ X1) | ~ (c0_1 @ X1) | ~ (c3_1 @ X1))) | 
% 16.02/2.98       ~ ( (ndr1_0))),
% 16.02/2.98      inference('split', [status(esa)], [zip_derived_cl356])).
% 16.02/2.98  thf(clause173, conjecture, (~( ( c0_1 @ a1667 ) | ( ~( hskp13 ) ) ))).
% 16.02/2.98  thf(zf_stmt_166, negated_conjecture, (( c0_1 @ a1667 ) | ( ~( hskp13 ) )),
% 16.02/2.98    inference('cnf.neg', [status(esa)], [clause173])).
% 16.02/2.98  thf(zip_derived_cl172, plain, (( (c0_1 @ a1667) | ~ (hskp13))),
% 16.02/2.98      inference('cnf', [status(esa)], [zf_stmt_166])).
% 16.02/2.98  thf('238', plain, (( (c0_1 @ a1667)) | ~ ( (hskp13))),
% 16.02/2.98      inference('split', [status(esa)], [zip_derived_cl172])).
% 16.02/2.98  thf(clause174, conjecture, (~( ( c3_1 @ a1667 ) | ( ~( hskp13 ) ) ))).
% 16.02/2.98  thf(zf_stmt_167, negated_conjecture, (( c3_1 @ a1667 ) | ( ~( hskp13 ) )),
% 16.02/2.98    inference('cnf.neg', [status(esa)], [clause174])).
% 16.02/2.98  thf(zip_derived_cl173, plain, (( (c3_1 @ a1667) | ~ (hskp13))),
% 16.02/2.98      inference('cnf', [status(esa)], [zf_stmt_167])).
% 16.02/2.98  thf('239', plain, (( (c3_1 @ a1667)) | ~ ( (hskp13))),
% 16.02/2.98      inference('split', [status(esa)], [zip_derived_cl173])).
% 16.02/2.98  thf('240', plain, (~ ( (c1_1 @ a1667)) | ~ ( (hskp13))),
% 16.02/2.98      inference('split', [status(esa)], [zip_derived_cl283])).
% 16.02/2.98  thf(zip_derived_cl1056, plain,
% 16.02/2.98      ((![X0 : $i]: (~ (c0_1 @ X0) | ~ (c3_1 @ X0) |  (c1_1 @ X0)))
% 16.02/2.98         <= ((![X0 : $i]: (~ (c0_1 @ X0) | ~ (c3_1 @ X0) |  (c1_1 @ X0))))),
% 16.02/2.98      inference('split', [status(esa)], [zip_derived_cl327])).
% 16.02/2.98  thf(zip_derived_cl938, plain, ((~ (c1_1 @ a1667)) <= (~ ( (c1_1 @ a1667)))),
% 16.02/2.98      inference('split', [status(esa)], [zip_derived_cl283])).
% 16.02/2.98  thf(zip_derived_cl2318, plain,
% 16.02/2.98      (((~ (c3_1 @ a1667) | ~ (c0_1 @ a1667)))
% 16.02/2.98         <= (~ ( (c1_1 @ a1667)) & 
% 16.02/2.98             (![X0 : $i]: (~ (c0_1 @ X0) | ~ (c3_1 @ X0) |  (c1_1 @ X0))))),
% 16.02/2.98      inference('s_sup-', [status(thm)],
% 16.02/2.98                [zip_derived_cl1056, zip_derived_cl938])).
% 16.02/2.98  thf('241', plain,
% 16.02/2.98      (~ (![X0 : $i]: (~ (c0_1 @ X0) | ~ (c3_1 @ X0) |  (c1_1 @ X0))) | 
% 16.02/2.98       ~ ( (c0_1 @ a1667)) | ( (c1_1 @ a1667)) | ~ ( (c3_1 @ a1667))),
% 16.02/2.98      inference('split', [status(esa)], [zip_derived_cl2318])).
% 16.02/2.98  thf(clause278, conjecture, (~( ( ~( hskp16 ) ) | ( ~( c0_1 @ a1677 ) ) ))).
% 16.02/2.98  thf(zf_stmt_168, negated_conjecture,
% 16.02/2.98    (( ~( hskp16 ) ) | ( ~( c0_1 @ a1677 ) )),
% 16.02/2.98    inference('cnf.neg', [status(esa)], [clause278])).
% 16.02/2.98  thf(zip_derived_cl277, plain, ((~ (hskp16) | ~ (c0_1 @ a1677))),
% 16.02/2.98      inference('cnf', [status(esa)], [zf_stmt_168])).
% 16.02/2.98  thf('242', plain, (~ ( (hskp16)) | ~ ( (c0_1 @ a1677))),
% 16.02/2.98      inference('split', [status(esa)], [zip_derived_cl277])).
% 16.02/2.98  thf('243', plain, (~ ( (hskp16)) | ~ ( (c2_1 @ a1677))),
% 16.02/2.98      inference('split', [status(esa)], [zip_derived_cl278])).
% 16.02/2.98  thf('244', plain, (~ ( (hskp16)) | ~ ( (c1_1 @ a1677))),
% 16.02/2.98      inference('split', [status(esa)], [zip_derived_cl279])).
% 16.02/2.98  thf('245', plain,
% 16.02/2.98      (( (hskp17)) | ( (hskp16)) | ~ ( (ndr1_0)) | 
% 16.02/2.98       (![X0 : $i]: (~ (c0_1 @ X0) | ~ (c3_1 @ X0) |  (c1_1 @ X0)))),
% 16.02/2.98      inference('split', [status(esa)], [zip_derived_cl327])).
% 16.02/2.98  thf(clause29, conjecture, (~( ( ndr1_0 ) | ( ~( hskp47 ) ) ))).
% 16.02/2.98  thf(zf_stmt_169, negated_conjecture, (( ndr1_0 ) | ( ~( hskp47 ) )),
% 16.02/2.98    inference('cnf.neg', [status(esa)], [clause29])).
% 16.02/2.98  thf(zip_derived_cl28, plain, (( (ndr1_0) | ~ (hskp47))),
% 16.02/2.98      inference('cnf', [status(esa)], [zf_stmt_169])).
% 16.02/2.98  thf('246', plain, (( (ndr1_0)) | ~ ( (hskp47))),
% 16.02/2.98      inference('split', [status(esa)], [zip_derived_cl28])).
% 16.02/2.98  thf(clause73, conjecture, (~( ( ndr1_0 ) | ( ~( hskp3 ) ) ))).
% 16.02/2.98  thf(zf_stmt_170, negated_conjecture, (( ndr1_0 ) | ( ~( hskp3 ) )),
% 16.02/2.98    inference('cnf.neg', [status(esa)], [clause73])).
% 16.02/2.98  thf(zip_derived_cl72, plain, (( (ndr1_0) | ~ (hskp3))),
% 16.02/2.98      inference('cnf', [status(esa)], [zf_stmt_170])).
% 16.02/2.98  thf('247', plain, (( (ndr1_0)) | ~ ( (hskp3))),
% 16.02/2.98      inference('split', [status(esa)], [zip_derived_cl72])).
% 16.02/2.98  thf(clause74, conjecture, (~( ( ndr1_0 ) | ( ~( hskp2 ) ) ))).
% 16.02/2.98  thf(zf_stmt_171, negated_conjecture, (( ndr1_0 ) | ( ~( hskp2 ) )),
% 16.02/2.98    inference('cnf.neg', [status(esa)], [clause74])).
% 16.02/2.98  thf(zip_derived_cl73, plain, (( (ndr1_0) | ~ (hskp2))),
% 16.02/2.98      inference('cnf', [status(esa)], [zf_stmt_171])).
% 16.02/2.98  thf('248', plain, (( (ndr1_0)) | ~ ( (hskp2))),
% 16.02/2.98      inference('split', [status(esa)], [zip_derived_cl73])).
% 16.02/2.98  thf(clause78, conjecture, (~( ( hskp3 ) | ( hskp2 ) | ( hskp47 ) ))).
% 16.02/2.98  thf(zf_stmt_172, negated_conjecture, (( hskp3 ) | ( hskp2 ) | ( hskp47 )),
% 16.02/2.98    inference('cnf.neg', [status(esa)], [clause78])).
% 16.02/2.98  thf(zip_derived_cl77, plain, (( (hskp3) |  (hskp2) |  (hskp47))),
% 16.02/2.98      inference('cnf', [status(esa)], [zf_stmt_172])).
% 16.02/2.98  thf('249', plain, (( (hskp2)) | ( (hskp3)) | ( (hskp47))),
% 16.02/2.98      inference('split', [status(esa)], [zip_derived_cl77])).
% 16.02/2.98  thf(clause275, conjecture, (~( ( ~( hskp17 ) ) | ( ~( c0_1 @ a1678 ) ) ))).
% 16.02/2.98  thf(zf_stmt_173, negated_conjecture,
% 16.02/2.98    (( ~( hskp17 ) ) | ( ~( c0_1 @ a1678 ) )),
% 16.02/2.98    inference('cnf.neg', [status(esa)], [clause275])).
% 16.02/2.98  thf(zip_derived_cl274, plain, ((~ (hskp17) | ~ (c0_1 @ a1678))),
% 16.02/2.98      inference('cnf', [status(esa)], [zf_stmt_173])).
% 16.02/2.98  thf('250', plain, (~ ( (c0_1 @ a1678)) | ~ ( (hskp17))),
% 16.02/2.98      inference('split', [status(esa)], [zip_derived_cl274])).
% 16.02/2.98  thf('251', plain, (~ ( (c1_1 @ a1678)) | ~ ( (hskp17))),
% 16.02/2.98      inference('split', [status(esa)], [zip_derived_cl275])).
% 16.02/2.98  thf('252', plain, (~ ( (c2_1 @ a1678)) | ~ ( (hskp17))),
% 16.02/2.98      inference('split', [status(esa)], [zip_derived_cl276])).
% 16.02/2.98  thf(zip_derived_cl1084, plain,
% 16.02/2.98      ((![X1 : $i]: ( (c2_1 @ X1) |  (c1_1 @ X1) |  (c0_1 @ X1)))
% 16.02/2.98         <= ((![X1 : $i]: ( (c2_1 @ X1) |  (c1_1 @ X1) |  (c0_1 @ X1))))),
% 16.02/2.98      inference('split', [status(esa)], [zip_derived_cl334])).
% 16.02/2.98  thf(zip_derived_cl922, plain, ((~ (c1_1 @ a1678)) <= (~ ( (c1_1 @ a1678)))),
% 16.02/2.98      inference('split', [status(esa)], [zip_derived_cl275])).
% 16.02/2.98  thf(zip_derived_cl2886, plain,
% 16.02/2.98      ((( (c0_1 @ a1678) |  (c2_1 @ a1678)))
% 16.02/2.98         <= (~ ( (c1_1 @ a1678)) & 
% 16.02/2.98             (![X1 : $i]: ( (c2_1 @ X1) |  (c1_1 @ X1) |  (c0_1 @ X1))))),
% 16.02/2.98      inference('s_sup-', [status(thm)],
% 16.02/2.98                [zip_derived_cl1084, zip_derived_cl922])).
% 16.02/2.98  thf('253', plain,
% 16.02/2.98      (~ (![X1 : $i]: ( (c2_1 @ X1) |  (c1_1 @ X1) |  (c0_1 @ X1))) | 
% 16.02/2.98       ( (c0_1 @ a1678)) | ( (c1_1 @ a1678)) | ( (c2_1 @ a1678))),
% 16.02/2.98      inference('split', [status(esa)], [zip_derived_cl2886])).
% 16.02/2.98  thf(zip_derived_cl1084, plain,
% 16.02/2.98      ((![X1 : $i]: ( (c2_1 @ X1) |  (c1_1 @ X1) |  (c0_1 @ X1)))
% 16.02/2.98         <= ((![X1 : $i]: ( (c2_1 @ X1) |  (c1_1 @ X1) |  (c0_1 @ X1))))),
% 16.02/2.98      inference('split', [status(esa)], [zip_derived_cl334])).
% 16.02/2.98  thf(zip_derived_cl930, plain, ((~ (c1_1 @ a1677)) <= (~ ( (c1_1 @ a1677)))),
% 16.02/2.98      inference('split', [status(esa)], [zip_derived_cl279])).
% 16.02/2.98  thf(zip_derived_cl2887, plain,
% 16.02/2.98      ((( (c0_1 @ a1677) |  (c2_1 @ a1677)))
% 16.02/2.98         <= (~ ( (c1_1 @ a1677)) & 
% 16.02/2.98             (![X1 : $i]: ( (c2_1 @ X1) |  (c1_1 @ X1) |  (c0_1 @ X1))))),
% 16.02/2.98      inference('s_sup-', [status(thm)],
% 16.02/2.98                [zip_derived_cl1084, zip_derived_cl930])).
% 16.02/2.98  thf('254', plain,
% 16.02/2.98      (( (c0_1 @ a1677)) | 
% 16.02/2.98       ~ (![X1 : $i]: ( (c2_1 @ X1) |  (c1_1 @ X1) |  (c0_1 @ X1))) | 
% 16.02/2.98       ( (c2_1 @ a1677)) | ( (c1_1 @ a1677))),
% 16.02/2.98      inference('split', [status(esa)], [zip_derived_cl2887])).
% 16.02/2.98  thf('255', plain,
% 16.02/2.98      ((![X0 : $i]: (~ (c0_1 @ X0) |  (c3_1 @ X0) | ~ (c2_1 @ X0))) | 
% 16.02/2.98       (![X1 : $i]: ( (c2_1 @ X1) |  (c1_1 @ X1) |  (c0_1 @ X1))) | 
% 16.02/2.98       ~ ( (ndr1_0)) | 
% 16.02/2.98       (![X0 : $i]: ( (c3_1 @ X0) |  (c2_1 @ X0) |  (c1_1 @ X0)))),
% 16.02/2.98      inference('split', [status(esa)], [zip_derived_cl358])).
% 16.02/2.98  thf('256', plain, (( (c0_1 @ a1695)) | ~ ( (hskp29))),
% 16.02/2.98      inference('split', [status(esa)], [zip_derived_cl161])).
% 16.02/2.98  thf('257', plain, (( (c2_1 @ a1695)) | ~ ( (hskp29))),
% 16.02/2.98      inference('split', [status(esa)], [zip_derived_cl160])).
% 16.02/2.98  thf(clause248, conjecture, (~( ( ~( hskp29 ) ) | ( ~( c3_1 @ a1695 ) ) ))).
% 16.02/2.98  thf(zf_stmt_174, negated_conjecture,
% 16.02/2.98    (( ~( hskp29 ) ) | ( ~( c3_1 @ a1695 ) )),
% 16.02/2.98    inference('cnf.neg', [status(esa)], [clause248])).
% 16.02/2.98  thf(zip_derived_cl247, plain, ((~ (hskp29) | ~ (c3_1 @ a1695))),
% 16.02/2.98      inference('cnf', [status(esa)], [zf_stmt_174])).
% 16.02/2.98  thf('258', plain, (~ ( (c3_1 @ a1695)) | ~ ( (hskp29))),
% 16.02/2.98      inference('split', [status(esa)], [zip_derived_cl247])).
% 16.02/2.98  thf(zip_derived_cl1032, plain,
% 16.02/2.98      ((![X0 : $i]: (~ (c0_1 @ X0) |  (c3_1 @ X0) | ~ (c2_1 @ X0)))
% 16.02/2.98         <= ((![X0 : $i]: (~ (c0_1 @ X0) |  (c3_1 @ X0) | ~ (c2_1 @ X0))))),
% 16.02/2.98      inference('split', [status(esa)], [zip_derived_cl321])).
% 16.02/2.98  thf(zip_derived_cl692, plain, (( (c2_1 @ a1695)) <= (( (c2_1 @ a1695)))),
% 16.02/2.98      inference('split', [status(esa)], [zip_derived_cl160])).
% 16.02/2.98  thf(zip_derived_cl1665, plain,
% 16.02/2.98      ((( (c3_1 @ a1695) | ~ (c0_1 @ a1695)))
% 16.02/2.98         <= (( (c2_1 @ a1695)) & 
% 16.02/2.98             (![X0 : $i]: (~ (c0_1 @ X0) |  (c3_1 @ X0) | ~ (c2_1 @ X0))))),
% 16.02/2.98      inference('s_sup+', [status(thm)],
% 16.02/2.98                [zip_derived_cl1032, zip_derived_cl692])).
% 16.02/2.98  thf('259', plain,
% 16.02/2.98      (~ ( (c2_1 @ a1695)) | ( (c3_1 @ a1695)) | 
% 16.02/2.98       ~ (![X0 : $i]: (~ (c0_1 @ X0) |  (c3_1 @ X0) | ~ (c2_1 @ X0))) | 
% 16.02/2.98       ~ ( (c0_1 @ a1695))),
% 16.02/2.98      inference('split', [status(esa)], [zip_derived_cl1665])).
% 16.02/2.98  thf(clause346, conjecture,
% 16.02/2.98    (~( ( hskp29 ) | ( c1_1 @ V ) | ( c0_1 @ V ) | ( c1_1 @ U ) | 
% 16.02/2.98        ( ~( c3_1 @ V ) ) | ( ~( ndr1_0 ) ) | ( ~( c3_1 @ U ) ) | 
% 16.02/2.98        ( ~( c0_1 @ U ) ) ))).
% 16.02/2.98  thf(zf_stmt_175, negated_conjecture,
% 16.02/2.98    (( hskp29 ) | ( c1_1 @ V ) | ( c0_1 @ V ) | ( c1_1 @ U ) | 
% 16.02/2.98     ( ~( c3_1 @ V ) ) | ( ~( ndr1_0 ) ) | ( ~( c3_1 @ U ) ) | 
% 16.02/2.98     ( ~( c0_1 @ U ) )),
% 16.02/2.98    inference('cnf.neg', [status(esa)], [clause346])).
% 16.02/2.98  thf(zip_derived_cl345, plain,
% 16.02/2.98      (![X0 : $i, X1 : $i]:
% 16.02/2.98         ( (hskp29)
% 16.02/2.98          |  (c1_1 @ X0)
% 16.02/2.98          |  (c0_1 @ X0)
% 16.02/2.98          |  (c1_1 @ X1)
% 16.02/2.98          | ~ (c3_1 @ X0)
% 16.02/2.98          | ~ (ndr1_0)
% 16.02/2.98          | ~ (c3_1 @ X1)
% 16.02/2.98          | ~ (c0_1 @ X1))),
% 16.02/2.98      inference('cnf', [status(esa)], [zf_stmt_175])).
% 16.02/2.98  thf('260', plain,
% 16.02/2.98      ((![X0 : $i]: ( (c0_1 @ X0) | ~ (c3_1 @ X0) |  (c1_1 @ X0))) | 
% 16.02/2.98       ( (hskp29)) | ~ ( (ndr1_0)) | 
% 16.02/2.98       (![X0 : $i]: (~ (c0_1 @ X0) | ~ (c3_1 @ X0) |  (c1_1 @ X0)))),
% 16.02/2.98      inference('split', [status(esa)], [zip_derived_cl345])).
% 16.02/2.98  thf(clause107, conjecture, (~( ( c3_1 @ a1676 ) | ( ~( hskp63 ) ) ))).
% 16.02/2.98  thf(zf_stmt_176, negated_conjecture, (( c3_1 @ a1676 ) | ( ~( hskp63 ) )),
% 16.02/2.98    inference('cnf.neg', [status(esa)], [clause107])).
% 16.02/2.98  thf(zip_derived_cl106, plain, (( (c3_1 @ a1676) | ~ (hskp63))),
% 16.02/2.98      inference('cnf', [status(esa)], [zf_stmt_176])).
% 16.02/2.98  thf('261', plain, (( (c3_1 @ a1676)) | ~ ( (hskp63))),
% 16.02/2.98      inference('split', [status(esa)], [zip_derived_cl106])).
% 16.02/2.98  thf(clause201, conjecture, (~( ( ~( hskp63 ) ) | ( ~( c0_1 @ a1676 ) ) ))).
% 16.02/2.98  thf(zf_stmt_177, negated_conjecture,
% 16.02/2.98    (( ~( hskp63 ) ) | ( ~( c0_1 @ a1676 ) )),
% 16.02/2.98    inference('cnf.neg', [status(esa)], [clause201])).
% 16.02/2.98  thf(zip_derived_cl200, plain, ((~ (hskp63) | ~ (c0_1 @ a1676))),
% 16.02/2.98      inference('cnf', [status(esa)], [zf_stmt_177])).
% 16.02/2.98  thf('262', plain, (~ ( (c0_1 @ a1676)) | ~ ( (hskp63))),
% 16.02/2.98      inference('split', [status(esa)], [zip_derived_cl200])).
% 16.02/2.98  thf(zip_derived_cl1052, plain,
% 16.02/2.98      ((![X0 : $i]: ( (c0_1 @ X0) | ~ (c3_1 @ X0) | ~ (c1_1 @ X0)))
% 16.02/2.98         <= ((![X0 : $i]: ( (c0_1 @ X0) | ~ (c3_1 @ X0) | ~ (c1_1 @ X0))))),
% 16.02/2.98      inference('split', [status(esa)], [zip_derived_cl326])).
% 16.02/2.98  thf(zip_derived_cl1004, plain,
% 16.02/2.98      ((![X0 : $i]: ( (c0_1 @ X0) | ~ (c3_1 @ X0) |  (c1_1 @ X0)))
% 16.02/2.98         <= ((![X0 : $i]: ( (c0_1 @ X0) | ~ (c3_1 @ X0) |  (c1_1 @ X0))))),
% 16.02/2.98      inference('split', [status(esa)], [zip_derived_cl314])).
% 16.02/2.98  thf(zip_derived_cl2024, plain,
% 16.02/2.98      ((![X0 : $i]:
% 16.02/2.98          (~ (c3_1 @ X0) |  (c0_1 @ X0) |  (c0_1 @ X0) | ~ (c3_1 @ X0)))
% 16.02/2.98         <= ((![X0 : $i]: ( (c0_1 @ X0) | ~ (c3_1 @ X0) |  (c1_1 @ X0))) & 
% 16.02/2.98             (![X0 : $i]: ( (c0_1 @ X0) | ~ (c3_1 @ X0) | ~ (c1_1 @ X0))))),
% 16.02/2.98      inference('s_sup+', [status(thm)],
% 16.02/2.98                [zip_derived_cl1052, zip_derived_cl1004])).
% 16.02/2.98  thf(zip_derived_cl2031, plain,
% 16.02/2.98      ((![X0 : $i]: ( (c0_1 @ X0) | ~ (c3_1 @ X0)))
% 16.02/2.98         <= ((![X0 : $i]: ( (c0_1 @ X0) | ~ (c3_1 @ X0) |  (c1_1 @ X0))) & 
% 16.02/2.98             (![X0 : $i]: ( (c0_1 @ X0) | ~ (c3_1 @ X0) | ~ (c1_1 @ X0))))),
% 16.02/2.98      inference('simplify', [status(thm)], [zip_derived_cl2024])).
% 16.02/2.98  thf(zip_derived_cl772, plain, ((~ (c0_1 @ a1676)) <= (~ ( (c0_1 @ a1676)))),
% 16.02/2.98      inference('split', [status(esa)], [zip_derived_cl200])).
% 16.02/2.98  thf(zip_derived_cl5083, plain,
% 16.02/2.98      ((~ (c3_1 @ a1676))
% 16.02/2.98         <= (~ ( (c0_1 @ a1676)) & 
% 16.02/2.98             (![X0 : $i]: ( (c0_1 @ X0) | ~ (c3_1 @ X0) |  (c1_1 @ X0))) & 
% 16.02/2.98             (![X0 : $i]: ( (c0_1 @ X0) | ~ (c3_1 @ X0) | ~ (c1_1 @ X0))))),
% 16.02/2.98      inference('s_sup-', [status(thm)],
% 16.02/2.98                [zip_derived_cl2031, zip_derived_cl772])).
% 16.02/2.98  thf(zip_derived_cl584, plain, (( (c3_1 @ a1676)) <= (( (c3_1 @ a1676)))),
% 16.02/2.98      inference('split', [status(esa)], [zip_derived_cl106])).
% 16.02/2.98  thf('263', plain,
% 16.02/2.98      (~ ( (c3_1 @ a1676)) | 
% 16.02/2.98       ~ (![X0 : $i]: ( (c0_1 @ X0) | ~ (c3_1 @ X0) |  (c1_1 @ X0))) | 
% 16.02/2.98       ( (c0_1 @ a1676)) | 
% 16.02/2.98       ~ (![X0 : $i]: ( (c0_1 @ X0) | ~ (c3_1 @ X0) | ~ (c1_1 @ X0)))),
% 16.02/2.98      inference('s_sup+', [status(thm)],
% 16.02/2.98                [zip_derived_cl5083, zip_derived_cl584])).
% 16.02/2.98  thf(zip_derived_cl14419, plain, ($false),
% 16.02/2.98      inference('sat_resolution*', [status(thm)],
% 16.02/2.98                ['0', '1', '2', '3', '4', '5', '6', '7', '8', '9', '10', '11', 
% 16.02/2.98                 '12', '13', '14', '15', '16', '17', '18', '19', '20', '21', 
% 16.02/2.98                 '22', '23', '24', '25', '26', '27', '28', '29', '30', '31', 
% 16.02/2.98                 '32', '33', '34', '35', '36', '37', '38', '39', '40', '41', 
% 16.02/2.98                 '42', '43', '44', '45', '46', '47', '48', '49', '50', '51', 
% 16.02/2.98                 '52', '53', '54', '55', '56', '57', '58', '59', '60', '61', 
% 16.02/2.98                 '62', '63', '64', '65', '66', '67', '68', '69', '70', '71', 
% 16.02/2.98                 '72', '73', '74', '75', '76', '77', '78', '79', '80', '81', 
% 16.02/2.98                 '82', '83', '84', '85', '86', '87', '88', '89', '90', '91', 
% 16.02/2.98                 '92', '93', '94', '95', '96', '97', '98', '99', '100', '101', 
% 16.02/2.98                 '102', '103', '104', '105', '106', '107', '108', '109', 
% 16.02/2.98                 '110', '111', '112', '113', '114', '115', '116', '117', 
% 16.02/2.98                 '118', '119', '120', '121', '122', '123', '124', '125', 
% 16.02/2.98                 '126', '127', '128', '129', '130', '131', '132', '133', 
% 16.02/2.98                 '134', '135', '136', '137', '138', '139', '140', '141', 
% 16.02/2.98                 '142', '143', '144', '145', '146', '147', '148', '149', 
% 16.02/2.98                 '150', '151', '152', '153', '154', '155', '156', '157', 
% 16.02/2.98                 '158', '159', '160', '161', '162', '163', '164', '165', 
% 16.02/2.98                 '166', '167', '168', '169', '170', '171', '172', '173', 
% 16.02/2.98                 '174', '175', '176', '177', '178', '179', '180', '181', 
% 16.02/2.98                 '182', '183', '184', '185', '186', '187', '188', '189', 
% 16.02/2.98                 '190', '191', '192', '193', '194', '195', '196', '197', 
% 16.02/2.98                 '198', '199', '200', '201', '202', '203', '204', '205', 
% 16.02/2.98                 '206', '207', '208', '209', '210', '211', '212', '213', 
% 16.02/2.98                 '214', '215', '216', '217', '218', '219', '220', '221', 
% 16.02/2.98                 '222', '223', '224', '225', '226', '227', '228', '229', 
% 16.02/2.98                 '230', '231', '232', '233', '234', '235', '236', '237', 
% 16.02/2.98                 '238', '239', '240', '241', '242', '243', '244', '245', 
% 16.02/2.98                 '246', '247', '248', '249', '250', '251', '252', '253', 
% 16.02/2.98                 '254', '255', '256', '257', '258', '259', '260', '261', 
% 16.02/2.98                 '262', '263'])).
% 16.02/2.98  
% 16.02/2.98  % SZS output end Refutation
% 16.02/2.98  
% 16.02/2.98  
% 16.02/2.98  % Terminating...
% 16.02/3.08  % Runner terminated.
% 16.02/3.08  % Zipperpin 1.5 exiting
%------------------------------------------------------------------------------