TSTP Solution File: SYN503-1 by Zipperpin---2.1.9999

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Zipperpin---2.1.9999
% Problem  : SYN503-1 : 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.BAE520DdDg true

% Computer : n014.cluster.edu
% Model    : x86_64 x86_64
% CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 2.10GHz
% Memory   : 8042.1875MB
% OS       : Linux 3.10.0-693.el7.x86_64
% CPULimit : 300s
% WCLimit  : 300s
% DateTime : Fri Sep  1 04:04:13 EDT 2023

% Result   : Unsatisfiable 7.67s 1.74s
% Output   : Refutation 7.67s
% Verified : 
% SZS Type : -

% Comments : 
%------------------------------------------------------------------------------
%----WARNING: Could not form TPTP format derivation
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.15  % Problem  : SYN503-1 : TPTP v8.1.2. Released v2.1.0.
% 0.00/0.16  % Command  : python3 /export/starexec/sandbox2/solver/bin/portfolio.lams.parallel.py %s %d /export/starexec/sandbox2/tmp/tmp.BAE520DdDg true
% 0.16/0.38  % Computer : n014.cluster.edu
% 0.16/0.38  % Model    : x86_64 x86_64
% 0.16/0.38  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.16/0.38  % Memory   : 8042.1875MB
% 0.16/0.38  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.16/0.38  % CPULimit : 300
% 0.16/0.38  % WCLimit  : 300
% 0.16/0.38  % DateTime : Sat Aug 26 18:33:47 EDT 2023
% 0.16/0.38  % CPUTime  : 
% 0.16/0.38  % Running portfolio for 300 s
% 0.16/0.38  % File         : /export/starexec/sandbox2/benchmark/theBenchmark.p
% 0.16/0.38  % Number of cores: 8
% 0.16/0.39  % Python version: Python 3.6.8
% 0.16/0.39  % Running in FO mode
% 0.24/0.71  % Total configuration time : 435
% 0.24/0.71  % Estimated wc time : 1092
% 0.24/0.71  % Estimated cpu time (7 cpus) : 156.0
% 0.24/0.81  % /export/starexec/sandbox2/solver/bin/fo/fo6_bce.sh running for 75s
% 0.24/0.81  % /export/starexec/sandbox2/solver/bin/fo/fo3_bce.sh running for 75s
% 0.24/0.81  % /export/starexec/sandbox2/solver/bin/fo/fo1_av.sh running for 75s
% 0.24/0.81  % /export/starexec/sandbox2/solver/bin/fo/fo7.sh running for 63s
% 0.24/0.81  % /export/starexec/sandbox2/solver/bin/fo/fo13.sh running for 50s
% 0.24/0.82  % /export/starexec/sandbox2/solver/bin/fo/fo5.sh running for 50s
% 0.24/0.82  % /export/starexec/sandbox2/solver/bin/fo/fo4.sh running for 50s
% 7.67/1.74  % Solved by fo/fo1_av.sh.
% 7.67/1.74  % done 2079 iterations in 0.862s
% 7.67/1.74  % SZS status Theorem for '/export/starexec/sandbox2/benchmark/theBenchmark.p'
% 7.67/1.74  % SZS output start Refutation
% 7.67/1.74  thf(hskp28_type, type, hskp28: $o).
% 7.67/1.74  thf(hskp22_type, type, hskp22: $o).
% 7.67/1.74  thf(hskp18_type, type, hskp18: $o).
% 7.67/1.74  thf(hskp4_type, type, hskp4: $o).
% 7.67/1.74  thf(c3_1_type, type, c3_1: $i > $o).
% 7.67/1.74  thf(hskp0_type, type, hskp0: $o).
% 7.67/1.74  thf(a231_type, type, a231: $i).
% 7.67/1.74  thf(a271_type, type, a271: $i).
% 7.67/1.74  thf(a234_type, type, a234: $i).
% 7.67/1.74  thf(a223_type, type, a223: $i).
% 7.67/1.74  thf(ndr1_0_type, type, ndr1_0: $o).
% 7.67/1.74  thf(hskp11_type, type, hskp11: $o).
% 7.67/1.74  thf(hskp8_type, type, hskp8: $o).
% 7.67/1.74  thf(a261_type, type, a261: $i).
% 7.67/1.74  thf(hskp27_type, type, hskp27: $o).
% 7.67/1.74  thf(a255_type, type, a255: $i).
% 7.67/1.74  thf(a242_type, type, a242: $i).
% 7.67/1.74  thf(hskp15_type, type, hskp15: $o).
% 7.67/1.74  thf(a252_type, type, a252: $i).
% 7.67/1.74  thf(a237_type, type, a237: $i).
% 7.67/1.74  thf(hskp29_type, type, hskp29: $o).
% 7.67/1.74  thf(a226_type, type, a226: $i).
% 7.67/1.74  thf(hskp23_type, type, hskp23: $o).
% 7.67/1.74  thf(hskp2_type, type, hskp2: $o).
% 7.67/1.74  thf(hskp24_type, type, hskp24: $o).
% 7.67/1.74  thf(a239_type, type, a239: $i).
% 7.67/1.74  thf(hskp19_type, type, hskp19: $o).
% 7.67/1.74  thf(c0_1_type, type, c0_1: $i > $o).
% 7.67/1.74  thf(hskp6_type, type, hskp6: $o).
% 7.67/1.74  thf(a215_type, type, a215: $i).
% 7.67/1.74  thf(a296_type, type, a296: $i).
% 7.67/1.74  thf(a320_type, type, a320: $i).
% 7.67/1.74  thf(hskp5_type, type, hskp5: $o).
% 7.67/1.74  thf(a216_type, type, a216: $i).
% 7.67/1.74  thf(a280_type, type, a280: $i).
% 7.67/1.74  thf(c1_1_type, type, c1_1: $i > $o).
% 7.67/1.74  thf(a245_type, type, a245: $i).
% 7.67/1.74  thf(hskp25_type, type, hskp25: $o).
% 7.67/1.74  thf(a257_type, type, a257: $i).
% 7.67/1.74  thf(hskp9_type, type, hskp9: $o).
% 7.67/1.74  thf(hskp16_type, type, hskp16: $o).
% 7.67/1.74  thf(a220_type, type, a220: $i).
% 7.67/1.74  thf(hskp7_type, type, hskp7: $o).
% 7.67/1.74  thf(c2_1_type, type, c2_1: $i > $o).
% 7.67/1.74  thf(hskp10_type, type, hskp10: $o).
% 7.67/1.74  thf(hskp3_type, type, hskp3: $o).
% 7.67/1.74  thf(hskp1_type, type, hskp1: $o).
% 7.67/1.74  thf(hskp13_type, type, hskp13: $o).
% 7.67/1.74  thf(a218_type, type, a218: $i).
% 7.67/1.74  thf(a225_type, type, a225: $i).
% 7.67/1.74  thf(a248_type, type, a248: $i).
% 7.67/1.74  thf(hskp20_type, type, hskp20: $o).
% 7.67/1.74  thf(hskp21_type, type, hskp21: $o).
% 7.67/1.74  thf(hskp26_type, type, hskp26: $o).
% 7.67/1.74  thf(a282_type, type, a282: $i).
% 7.67/1.74  thf(a214_type, type, a214: $i).
% 7.67/1.74  thf(hskp14_type, type, hskp14: $o).
% 7.67/1.74  thf(hskp12_type, type, hskp12: $o).
% 7.67/1.74  thf(a213_type, type, a213: $i).
% 7.67/1.74  thf(hskp17_type, type, hskp17: $o).
% 7.67/1.74  thf(clause194, conjecture,
% 7.67/1.74    (~( ( c1_1 @ W ) | ( c0_1 @ W ) | ( c2_1 @ V ) | ( ~( c2_1 @ W ) ) | 
% 7.67/1.74        ( ~( c3_1 @ V ) ) | ( ~( c0_1 @ V ) ) | ( ~( ndr1_0 ) ) | 
% 7.67/1.74        ( ~( c3_1 @ U ) ) | ( ~( c2_1 @ U ) ) | ( ~( c0_1 @ U ) ) ))).
% 7.67/1.74  thf(zf_stmt_0, negated_conjecture,
% 7.67/1.74    (( c1_1 @ W ) | ( c0_1 @ W ) | ( c2_1 @ V ) | ( ~( c2_1 @ W ) ) | 
% 7.67/1.74     ( ~( c3_1 @ V ) ) | ( ~( c0_1 @ V ) ) | ( ~( ndr1_0 ) ) | 
% 7.67/1.74     ( ~( c3_1 @ U ) ) | ( ~( c2_1 @ U ) ) | ( ~( c0_1 @ U ) )),
% 7.67/1.74    inference('cnf.neg', [status(esa)], [clause194])).
% 7.67/1.74  thf(zip_derived_cl193, plain,
% 7.67/1.74      (![X0 : $i, X1 : $i, X2 : $i]:
% 7.67/1.74         ( (c1_1 @ X0)
% 7.67/1.74          |  (c0_1 @ X0)
% 7.67/1.74          |  (c2_1 @ X1)
% 7.67/1.74          | ~ (c2_1 @ X0)
% 7.67/1.74          | ~ (c3_1 @ X1)
% 7.67/1.74          | ~ (c0_1 @ X1)
% 7.67/1.74          | ~ (ndr1_0)
% 7.67/1.74          | ~ (c3_1 @ X2)
% 7.67/1.74          | ~ (c2_1 @ X2)
% 7.67/1.74          | ~ (c0_1 @ X2))),
% 7.67/1.74      inference('cnf', [status(esa)], [zf_stmt_0])).
% 7.67/1.74  thf('0', plain,
% 7.67/1.74      ((![X0 : $i]: (~ (c2_1 @ X0) |  (c1_1 @ X0) |  (c0_1 @ X0))) | 
% 7.67/1.74       (![X0 : $i]: (~ (c2_1 @ X0) | ~ (c0_1 @ X0) | ~ (c3_1 @ X0))) | 
% 7.67/1.74       ~ ( (ndr1_0)) | 
% 7.67/1.74       (![X0 : $i]: ( (c2_1 @ X0) | ~ (c0_1 @ X0) | ~ (c3_1 @ X0)))),
% 7.67/1.74      inference('split', [status(esa)], [zip_derived_cl193])).
% 7.67/1.74  thf(clause128, conjecture, (~( ( ~( hskp0 ) ) | ( ~( c1_1 @ a213 ) ) ))).
% 7.67/1.74  thf(zf_stmt_1, negated_conjecture, (( ~( hskp0 ) ) | ( ~( c1_1 @ a213 ) )),
% 7.67/1.74    inference('cnf.neg', [status(esa)], [clause128])).
% 7.67/1.74  thf(zip_derived_cl127, plain, ((~ (hskp0) | ~ (c1_1 @ a213))),
% 7.67/1.74      inference('cnf', [status(esa)], [zf_stmt_1])).
% 7.67/1.74  thf('1', plain, (~ ( (c1_1 @ a213)) | ~ ( (hskp0))),
% 7.67/1.74      inference('split', [status(esa)], [zip_derived_cl127])).
% 7.67/1.74  thf(clause129, conjecture, (~( ( ~( hskp0 ) ) | ( ~( c3_1 @ a213 ) ) ))).
% 7.67/1.74  thf(zf_stmt_2, negated_conjecture, (( ~( hskp0 ) ) | ( ~( c3_1 @ a213 ) )),
% 7.67/1.74    inference('cnf.neg', [status(esa)], [clause129])).
% 7.67/1.74  thf(zip_derived_cl128, plain, ((~ (hskp0) | ~ (c3_1 @ a213))),
% 7.67/1.74      inference('cnf', [status(esa)], [zf_stmt_2])).
% 7.67/1.74  thf('2', plain, (~ ( (c3_1 @ a213)) | ~ ( (hskp0))),
% 7.67/1.74      inference('split', [status(esa)], [zip_derived_cl128])).
% 7.67/1.74  thf(clause155, conjecture,
% 7.67/1.74    (~( ( hskp8 ) | ( hskp10 ) | ( ~( ndr1_0 ) ) | ( ~( c3_1 @ U ) ) | 
% 7.67/1.74        ( ~( c2_1 @ U ) ) | ( ~( c0_1 @ U ) ) ))).
% 7.67/1.74  thf(zf_stmt_3, negated_conjecture,
% 7.67/1.74    (( hskp8 ) | ( hskp10 ) | ( ~( ndr1_0 ) ) | ( ~( c3_1 @ U ) ) | 
% 7.67/1.74     ( ~( c2_1 @ U ) ) | ( ~( c0_1 @ U ) )),
% 7.67/1.74    inference('cnf.neg', [status(esa)], [clause155])).
% 7.67/1.74  thf(zip_derived_cl154, plain,
% 7.67/1.74      (![X0 : $i]:
% 7.67/1.74         ( (hskp8)
% 7.67/1.74          |  (hskp10)
% 7.67/1.74          | ~ (ndr1_0)
% 7.67/1.74          | ~ (c3_1 @ X0)
% 7.67/1.74          | ~ (c2_1 @ X0)
% 7.67/1.74          | ~ (c0_1 @ X0))),
% 7.67/1.74      inference('cnf', [status(esa)], [zf_stmt_3])).
% 7.67/1.74  thf('3', plain,
% 7.67/1.74      (( (hskp8)) | ( (hskp10)) | 
% 7.67/1.74       (![X0 : $i]: (~ (c2_1 @ X0) | ~ (c0_1 @ X0) | ~ (c3_1 @ X0))) | 
% 7.67/1.74       ~ ( (ndr1_0))),
% 7.67/1.74      inference('split', [status(esa)], [zip_derived_cl154])).
% 7.67/1.74  thf(clause161, conjecture,
% 7.67/1.74    (~( ( hskp1 ) | ( c2_1 @ V ) | ( c0_1 @ V ) | ( c2_1 @ U ) | 
% 7.67/1.74        ( c1_1 @ U ) | ( ~( c3_1 @ V ) ) | ( ~( ndr1_0 ) ) | ( ~( c0_1 @ U ) ) ))).
% 7.67/1.74  thf(zf_stmt_4, negated_conjecture,
% 7.67/1.74    (( hskp1 ) | ( c2_1 @ V ) | ( c0_1 @ V ) | ( c2_1 @ U ) | ( c1_1 @ U ) | 
% 7.67/1.74     ( ~( c3_1 @ V ) ) | ( ~( ndr1_0 ) ) | ( ~( c0_1 @ U ) )),
% 7.67/1.74    inference('cnf.neg', [status(esa)], [clause161])).
% 7.67/1.74  thf(zip_derived_cl160, plain,
% 7.67/1.74      (![X0 : $i, X1 : $i]:
% 7.67/1.74         ( (hskp1)
% 7.67/1.74          |  (c2_1 @ X0)
% 7.67/1.74          |  (c0_1 @ X0)
% 7.67/1.74          |  (c2_1 @ X1)
% 7.67/1.74          |  (c1_1 @ X1)
% 7.67/1.74          | ~ (c3_1 @ X0)
% 7.67/1.74          | ~ (ndr1_0)
% 7.67/1.74          | ~ (c0_1 @ X1))),
% 7.67/1.74      inference('cnf', [status(esa)], [zf_stmt_4])).
% 7.67/1.74  thf('4', plain,
% 7.67/1.74      (( (hskp1)) | 
% 7.67/1.74       (![X0 : $i]: ( (c2_1 @ X0) |  (c0_1 @ X0) | ~ (c3_1 @ X0))) | 
% 7.67/1.74       (![X0 : $i]: ( (c2_1 @ X0) |  (c1_1 @ X0) | ~ (c0_1 @ X0))) | 
% 7.67/1.74       ~ ( (ndr1_0))),
% 7.67/1.74      inference('split', [status(esa)], [zip_derived_cl160])).
% 7.67/1.74  thf(clause181, conjecture,
% 7.67/1.74    (~( ( hskp9 ) | ( c0_1 @ V ) | ( c1_1 @ U ) | ( ~( c3_1 @ V ) ) | 
% 7.67/1.74        ( ~( c1_1 @ V ) ) | ( ~( ndr1_0 ) ) | ( ~( c3_1 @ U ) ) | 
% 7.67/1.74        ( ~( c2_1 @ U ) ) ))).
% 7.67/1.74  thf(zf_stmt_5, negated_conjecture,
% 7.67/1.74    (( hskp9 ) | ( c0_1 @ V ) | ( c1_1 @ U ) | ( ~( c3_1 @ V ) ) | 
% 7.67/1.74     ( ~( c1_1 @ V ) ) | ( ~( ndr1_0 ) ) | ( ~( c3_1 @ U ) ) | 
% 7.67/1.74     ( ~( c2_1 @ U ) )),
% 7.67/1.74    inference('cnf.neg', [status(esa)], [clause181])).
% 7.67/1.74  thf(zip_derived_cl180, plain,
% 7.67/1.74      (![X0 : $i, X1 : $i]:
% 7.67/1.74         ( (hskp9)
% 7.67/1.74          |  (c0_1 @ X0)
% 7.67/1.74          |  (c1_1 @ X1)
% 7.67/1.74          | ~ (c3_1 @ X0)
% 7.67/1.74          | ~ (c1_1 @ X0)
% 7.67/1.74          | ~ (ndr1_0)
% 7.67/1.74          | ~ (c3_1 @ X1)
% 7.67/1.74          | ~ (c2_1 @ X1))),
% 7.67/1.74      inference('cnf', [status(esa)], [zf_stmt_5])).
% 7.67/1.74  thf('5', plain,
% 7.67/1.74      (( (hskp9)) | 
% 7.67/1.74       (![X0 : $i]: (~ (c1_1 @ X0) |  (c0_1 @ X0) | ~ (c3_1 @ X0))) | 
% 7.67/1.74       ~ ( (ndr1_0)) | 
% 7.67/1.74       (![X0 : $i]: (~ (c2_1 @ X0) |  (c1_1 @ X0) | ~ (c3_1 @ X0)))),
% 7.67/1.74      inference('split', [status(esa)], [zip_derived_cl180])).
% 7.67/1.74  thf(clause60, conjecture, (~( ( c0_1 @ a252 ) | ( ~( hskp18 ) ) ))).
% 7.67/1.74  thf(zf_stmt_6, negated_conjecture, (( c0_1 @ a252 ) | ( ~( hskp18 ) )),
% 7.67/1.74    inference('cnf.neg', [status(esa)], [clause60])).
% 7.67/1.74  thf(zip_derived_cl59, plain, (( (c0_1 @ a252) | ~ (hskp18))),
% 7.67/1.74      inference('cnf', [status(esa)], [zf_stmt_6])).
% 7.67/1.74  thf(zip_derived_cl325, plain, (( (c0_1 @ a252)) <= (( (c0_1 @ a252)))),
% 7.67/1.74      inference('split', [status(esa)], [zip_derived_cl59])).
% 7.67/1.74  thf(zip_derived_cl564, plain,
% 7.67/1.74      ((![X0 : $i]: (~ (c2_1 @ X0) | ~ (c0_1 @ X0) | ~ (c3_1 @ X0)))
% 7.67/1.74         <= ((![X0 : $i]: (~ (c2_1 @ X0) | ~ (c0_1 @ X0) | ~ (c3_1 @ X0))))),
% 7.67/1.74      inference('split', [status(esa)], [zip_derived_cl154])).
% 7.67/1.74  thf(zip_derived_cl913, plain,
% 7.67/1.74      (((~ (c2_1 @ a252) | ~ (c3_1 @ a252)))
% 7.67/1.74         <= (( (c0_1 @ a252)) & 
% 7.67/1.74             (![X0 : $i]: (~ (c2_1 @ X0) | ~ (c0_1 @ X0) | ~ (c3_1 @ X0))))),
% 7.67/1.74      inference('s_sup-', [status(thm)], [zip_derived_cl325, zip_derived_cl564])).
% 7.67/1.74  thf('6', plain,
% 7.67/1.74      (~ (![X0 : $i]: (~ (c2_1 @ X0) | ~ (c0_1 @ X0) | ~ (c3_1 @ X0))) | 
% 7.67/1.74       ~ ( (c3_1 @ a252)) | ~ ( (c0_1 @ a252)) | ~ ( (c2_1 @ a252))),
% 7.67/1.74      inference('split', [status(esa)], [zip_derived_cl913])).
% 7.67/1.74  thf(clause176, conjecture,
% 7.67/1.74    (~( ( hskp1 ) | ( c3_1 @ V ) | ( c1_1 @ V ) | ( c1_1 @ U ) | 
% 7.67/1.74        ( ~( c2_1 @ V ) ) | ( ~( ndr1_0 ) ) | ( ~( c3_1 @ U ) ) | 
% 7.67/1.74        ( ~( c2_1 @ U ) ) ))).
% 7.67/1.74  thf(zf_stmt_7, negated_conjecture,
% 7.67/1.74    (( hskp1 ) | ( c3_1 @ V ) | ( c1_1 @ V ) | ( c1_1 @ U ) | 
% 7.67/1.74     ( ~( c2_1 @ V ) ) | ( ~( ndr1_0 ) ) | ( ~( c3_1 @ U ) ) | 
% 7.67/1.74     ( ~( c2_1 @ U ) )),
% 7.67/1.74    inference('cnf.neg', [status(esa)], [clause176])).
% 7.67/1.74  thf(zip_derived_cl175, plain,
% 7.67/1.74      (![X0 : $i, X1 : $i]:
% 7.67/1.74         ( (hskp1)
% 7.67/1.74          |  (c3_1 @ X0)
% 7.67/1.74          |  (c1_1 @ X0)
% 7.67/1.74          |  (c1_1 @ X1)
% 7.67/1.74          | ~ (c2_1 @ X0)
% 7.67/1.74          | ~ (ndr1_0)
% 7.67/1.74          | ~ (c3_1 @ X1)
% 7.67/1.74          | ~ (c2_1 @ X1))),
% 7.67/1.74      inference('cnf', [status(esa)], [zf_stmt_7])).
% 7.67/1.74  thf('7', plain,
% 7.67/1.74      ((![X0 : $i]: (~ (c2_1 @ X0) |  (c1_1 @ X0) |  (c3_1 @ X0))) | 
% 7.67/1.74       ( (hskp1)) | 
% 7.67/1.74       (![X0 : $i]: (~ (c2_1 @ X0) |  (c1_1 @ X0) | ~ (c3_1 @ X0))) | 
% 7.67/1.74       ~ ( (ndr1_0))),
% 7.67/1.74      inference('split', [status(esa)], [zip_derived_cl175])).
% 7.67/1.74  thf(clause137, conjecture,
% 7.67/1.74    (~( ( hskp6 ) | ( hskp3 ) | ( c1_1 @ U ) | ( c0_1 @ U ) | 
% 7.67/1.74        ( ~( ndr1_0 ) ) | ( ~( c2_1 @ U ) ) ))).
% 7.67/1.74  thf(zf_stmt_8, negated_conjecture,
% 7.67/1.74    (( hskp6 ) | ( hskp3 ) | ( c1_1 @ U ) | ( c0_1 @ U ) | ( ~( ndr1_0 ) ) | 
% 7.67/1.74     ( ~( c2_1 @ U ) )),
% 7.67/1.74    inference('cnf.neg', [status(esa)], [clause137])).
% 7.67/1.74  thf(zip_derived_cl136, plain,
% 7.67/1.74      (![X0 : $i]:
% 7.67/1.74         ( (hskp6)
% 7.67/1.74          |  (hskp3)
% 7.67/1.74          |  (c1_1 @ X0)
% 7.67/1.74          |  (c0_1 @ X0)
% 7.67/1.74          | ~ (ndr1_0)
% 7.67/1.74          | ~ (c2_1 @ X0))),
% 7.67/1.74      inference('cnf', [status(esa)], [zf_stmt_8])).
% 7.67/1.74  thf('8', plain,
% 7.67/1.74      (( (hskp6)) | ( (hskp3)) | ~ ( (ndr1_0)) | 
% 7.67/1.74       (![X0 : $i]: (~ (c2_1 @ X0) |  (c1_1 @ X0) |  (c0_1 @ X0)))),
% 7.67/1.74      inference('split', [status(esa)], [zip_derived_cl136])).
% 7.67/1.74  thf(clause81, conjecture, (~( ( c0_1 @ a216 ) | ( ~( hskp3 ) ) ))).
% 7.67/1.74  thf(zf_stmt_9, negated_conjecture, (( c0_1 @ a216 ) | ( ~( hskp3 ) )),
% 7.67/1.74    inference('cnf.neg', [status(esa)], [clause81])).
% 7.67/1.74  thf(zip_derived_cl80, plain, (( (c0_1 @ a216) | ~ (hskp3))),
% 7.67/1.74      inference('cnf', [status(esa)], [zf_stmt_9])).
% 7.67/1.74  thf(zip_derived_cl367, plain, (( (c0_1 @ a216)) <= (( (c0_1 @ a216)))),
% 7.67/1.74      inference('split', [status(esa)], [zip_derived_cl80])).
% 7.67/1.74  thf(clause154, conjecture,
% 7.67/1.74    (~( ( hskp2 ) | ( hskp27 ) | ( ~( ndr1_0 ) ) | ( ~( c3_1 @ U ) ) | 
% 7.67/1.74        ( ~( c1_1 @ U ) ) | ( ~( c0_1 @ U ) ) ))).
% 7.67/1.74  thf(zf_stmt_10, negated_conjecture,
% 7.67/1.74    (( hskp2 ) | ( hskp27 ) | ( ~( ndr1_0 ) ) | ( ~( c3_1 @ U ) ) | 
% 7.67/1.74     ( ~( c1_1 @ U ) ) | ( ~( c0_1 @ U ) )),
% 7.67/1.74    inference('cnf.neg', [status(esa)], [clause154])).
% 7.67/1.74  thf(zip_derived_cl153, plain,
% 7.67/1.74      (![X0 : $i]:
% 7.67/1.74         ( (hskp2)
% 7.67/1.74          |  (hskp27)
% 7.67/1.74          | ~ (ndr1_0)
% 7.67/1.74          | ~ (c3_1 @ X0)
% 7.67/1.74          | ~ (c1_1 @ X0)
% 7.67/1.74          | ~ (c0_1 @ X0))),
% 7.67/1.74      inference('cnf', [status(esa)], [zf_stmt_10])).
% 7.67/1.74  thf(zip_derived_cl560, plain,
% 7.67/1.74      ((![X0 : $i]: (~ (c1_1 @ X0) | ~ (c0_1 @ X0) | ~ (c3_1 @ X0)))
% 7.67/1.74         <= ((![X0 : $i]: (~ (c1_1 @ X0) | ~ (c0_1 @ X0) | ~ (c3_1 @ X0))))),
% 7.67/1.74      inference('split', [status(esa)], [zip_derived_cl153])).
% 7.67/1.74  thf(zip_derived_cl986, plain,
% 7.67/1.74      (((~ (c1_1 @ a216) | ~ (c3_1 @ a216)))
% 7.67/1.74         <= (( (c0_1 @ a216)) & 
% 7.67/1.74             (![X0 : $i]: (~ (c1_1 @ X0) | ~ (c0_1 @ X0) | ~ (c3_1 @ X0))))),
% 7.67/1.74      inference('s_sup-', [status(thm)], [zip_derived_cl367, zip_derived_cl560])).
% 7.67/1.74  thf('9', plain,
% 7.67/1.74      (~ (![X0 : $i]: (~ (c1_1 @ X0) | ~ (c0_1 @ X0) | ~ (c3_1 @ X0))) | 
% 7.67/1.74       ~ ( (c3_1 @ a216)) | ~ ( (c1_1 @ a216)) | ~ ( (c0_1 @ a216))),
% 7.67/1.74      inference('split', [status(esa)], [zip_derived_cl986])).
% 7.67/1.74  thf(clause45, conjecture, (~( ( c2_1 @ a282 ) | ( ~( hskp28 ) ) ))).
% 7.67/1.74  thf(zf_stmt_11, negated_conjecture, (( c2_1 @ a282 ) | ( ~( hskp28 ) )),
% 7.67/1.74    inference('cnf.neg', [status(esa)], [clause45])).
% 7.67/1.74  thf(zip_derived_cl44, plain, (( (c2_1 @ a282) | ~ (hskp28))),
% 7.67/1.74      inference('cnf', [status(esa)], [zf_stmt_11])).
% 7.67/1.74  thf(zip_derived_cl295, plain, (( (c2_1 @ a282)) <= (( (c2_1 @ a282)))),
% 7.67/1.74      inference('split', [status(esa)], [zip_derived_cl44])).
% 7.67/1.74  thf(clause156, conjecture,
% 7.67/1.74    (~( ( hskp29 ) | ( hskp26 ) | ( ~( ndr1_0 ) ) | ( ~( c3_1 @ U ) ) | 
% 7.67/1.74        ( ~( c2_1 @ U ) ) | ( ~( c1_1 @ U ) ) ))).
% 7.67/1.74  thf(zf_stmt_12, negated_conjecture,
% 7.67/1.74    (( hskp29 ) | ( hskp26 ) | ( ~( ndr1_0 ) ) | ( ~( c3_1 @ U ) ) | 
% 7.67/1.74     ( ~( c2_1 @ U ) ) | ( ~( c1_1 @ U ) )),
% 7.67/1.74    inference('cnf.neg', [status(esa)], [clause156])).
% 7.67/1.74  thf(zip_derived_cl155, plain,
% 7.67/1.74      (![X0 : $i]:
% 7.67/1.74         ( (hskp29)
% 7.67/1.74          |  (hskp26)
% 7.67/1.74          | ~ (ndr1_0)
% 7.67/1.74          | ~ (c3_1 @ X0)
% 7.67/1.74          | ~ (c2_1 @ X0)
% 7.67/1.74          | ~ (c1_1 @ X0))),
% 7.67/1.74      inference('cnf', [status(esa)], [zf_stmt_12])).
% 7.67/1.74  thf(zip_derived_cl568, plain,
% 7.67/1.74      ((![X0 : $i]: (~ (c2_1 @ X0) | ~ (c1_1 @ X0) | ~ (c3_1 @ X0)))
% 7.67/1.74         <= ((![X0 : $i]: (~ (c2_1 @ X0) | ~ (c1_1 @ X0) | ~ (c3_1 @ X0))))),
% 7.67/1.74      inference('split', [status(esa)], [zip_derived_cl155])).
% 7.67/1.74  thf(zip_derived_cl815, plain,
% 7.67/1.74      (((~ (c1_1 @ a282) | ~ (c3_1 @ a282)))
% 7.67/1.74         <= (( (c2_1 @ a282)) & 
% 7.67/1.74             (![X0 : $i]: (~ (c2_1 @ X0) | ~ (c1_1 @ X0) | ~ (c3_1 @ X0))))),
% 7.67/1.74      inference('s_sup-', [status(thm)], [zip_derived_cl295, zip_derived_cl568])).
% 7.67/1.74  thf('10', plain,
% 7.67/1.74      (~ ( (c3_1 @ a282)) | 
% 7.67/1.74       ~ (![X0 : $i]: (~ (c2_1 @ X0) | ~ (c1_1 @ X0) | ~ (c3_1 @ X0))) | 
% 7.67/1.74       ~ ( (c1_1 @ a282)) | ~ ( (c2_1 @ a282))),
% 7.67/1.74      inference('split', [status(esa)], [zip_derived_cl815])).
% 7.67/1.74  thf(clause170, conjecture,
% 7.67/1.74    (~( ( hskp14 ) | ( c3_1 @ V ) | ( c0_1 @ V ) | ( c3_1 @ U ) | 
% 7.67/1.74        ( ~( c2_1 @ V ) ) | ( ~( ndr1_0 ) ) | ( ~( c1_1 @ U ) ) | 
% 7.67/1.74        ( ~( c0_1 @ U ) ) ))).
% 7.67/1.74  thf(zf_stmt_13, negated_conjecture,
% 7.67/1.74    (( hskp14 ) | ( c3_1 @ V ) | ( c0_1 @ V ) | ( c3_1 @ U ) | 
% 7.67/1.74     ( ~( c2_1 @ V ) ) | ( ~( ndr1_0 ) ) | ( ~( c1_1 @ U ) ) | 
% 7.67/1.74     ( ~( c0_1 @ U ) )),
% 7.67/1.74    inference('cnf.neg', [status(esa)], [clause170])).
% 7.67/1.74  thf(zip_derived_cl169, plain,
% 7.67/1.74      (![X0 : $i, X1 : $i]:
% 7.67/1.74         ( (hskp14)
% 7.67/1.74          |  (c3_1 @ X0)
% 7.67/1.74          |  (c0_1 @ X0)
% 7.67/1.74          |  (c3_1 @ X1)
% 7.67/1.74          | ~ (c2_1 @ X0)
% 7.67/1.74          | ~ (ndr1_0)
% 7.67/1.74          | ~ (c1_1 @ X1)
% 7.67/1.74          | ~ (c0_1 @ X1))),
% 7.67/1.74      inference('cnf', [status(esa)], [zf_stmt_13])).
% 7.67/1.74  thf(zip_derived_cl624, plain,
% 7.67/1.74      ((![X1 : $i]: ( (c3_1 @ X1) | ~ (c0_1 @ X1) | ~ (c1_1 @ X1)))
% 7.67/1.74         <= ((![X1 : $i]: ( (c3_1 @ X1) | ~ (c0_1 @ X1) | ~ (c1_1 @ X1))))),
% 7.67/1.74      inference('split', [status(esa)], [zip_derived_cl169])).
% 7.67/1.74  thf(clause43, conjecture, (~( ( c0_1 @ a282 ) | ( ~( hskp28 ) ) ))).
% 7.67/1.74  thf(zf_stmt_14, negated_conjecture, (( c0_1 @ a282 ) | ( ~( hskp28 ) )),
% 7.67/1.74    inference('cnf.neg', [status(esa)], [clause43])).
% 7.67/1.74  thf(zip_derived_cl42, plain, (( (c0_1 @ a282) | ~ (hskp28))),
% 7.67/1.74      inference('cnf', [status(esa)], [zf_stmt_14])).
% 7.67/1.74  thf(zip_derived_cl291, plain, (( (c0_1 @ a282)) <= (( (c0_1 @ a282)))),
% 7.67/1.74      inference('split', [status(esa)], [zip_derived_cl42])).
% 7.67/1.74  thf(zip_derived_cl1279, plain,
% 7.67/1.74      (((~ (c1_1 @ a282) |  (c3_1 @ a282)))
% 7.67/1.74         <= (( (c0_1 @ a282)) & 
% 7.67/1.74             (![X1 : $i]: ( (c3_1 @ X1) | ~ (c0_1 @ X1) | ~ (c1_1 @ X1))))),
% 7.67/1.74      inference('s_sup+', [status(thm)], [zip_derived_cl624, zip_derived_cl291])).
% 7.67/1.74  thf('11', plain,
% 7.67/1.74      (( (c3_1 @ a282)) | ~ ( (c0_1 @ a282)) | 
% 7.67/1.74       ~ (![X1 : $i]: ( (c3_1 @ X1) | ~ (c0_1 @ X1) | ~ (c1_1 @ X1))) | 
% 7.67/1.74       ~ ( (c1_1 @ a282))),
% 7.67/1.74      inference('split', [status(esa)], [zip_derived_cl1279])).
% 7.67/1.74  thf(zip_derived_cl291, plain, (( (c0_1 @ a282)) <= (( (c0_1 @ a282)))),
% 7.67/1.74      inference('split', [status(esa)], [zip_derived_cl42])).
% 7.67/1.74  thf(zip_derived_cl564, plain,
% 7.67/1.74      ((![X0 : $i]: (~ (c2_1 @ X0) | ~ (c0_1 @ X0) | ~ (c3_1 @ X0)))
% 7.67/1.74         <= ((![X0 : $i]: (~ (c2_1 @ X0) | ~ (c0_1 @ X0) | ~ (c3_1 @ X0))))),
% 7.67/1.74      inference('split', [status(esa)], [zip_derived_cl154])).
% 7.67/1.74  thf(zip_derived_cl800, plain,
% 7.67/1.74      (((~ (c2_1 @ a282) | ~ (c3_1 @ a282)))
% 7.67/1.74         <= (( (c0_1 @ a282)) & 
% 7.67/1.74             (![X0 : $i]: (~ (c2_1 @ X0) | ~ (c0_1 @ X0) | ~ (c3_1 @ X0))))),
% 7.67/1.74      inference('s_sup-', [status(thm)], [zip_derived_cl291, zip_derived_cl564])).
% 7.67/1.74  thf('12', plain,
% 7.67/1.74      (~ ( (c3_1 @ a282)) | ~ ( (c0_1 @ a282)) | 
% 7.67/1.74       ~ (![X0 : $i]: (~ (c2_1 @ X0) | ~ (c0_1 @ X0) | ~ (c3_1 @ X0))) | 
% 7.67/1.74       ~ ( (c2_1 @ a282))),
% 7.67/1.74      inference('split', [status(esa)], [zip_derived_cl800])).
% 7.67/1.74  thf(clause54, conjecture, (~( ( c1_1 @ a280 ) | ( ~( hskp24 ) ) ))).
% 7.67/1.74  thf(zf_stmt_15, negated_conjecture, (( c1_1 @ a280 ) | ( ~( hskp24 ) )),
% 7.67/1.74    inference('cnf.neg', [status(esa)], [clause54])).
% 7.67/1.74  thf(zip_derived_cl53, plain, (( (c1_1 @ a280) | ~ (hskp24))),
% 7.67/1.74      inference('cnf', [status(esa)], [zf_stmt_15])).
% 7.67/1.74  thf('13', plain, (( (c1_1 @ a280)) | ~ ( (hskp24))),
% 7.67/1.74      inference('split', [status(esa)], [zip_derived_cl53])).
% 7.67/1.74  thf(clause87, conjecture, (~( ( ~( hskp24 ) ) | ( ~( c2_1 @ a280 ) ) ))).
% 7.67/1.74  thf(zf_stmt_16, negated_conjecture, (( ~( hskp24 ) ) | ( ~( c2_1 @ a280 ) )),
% 7.67/1.74    inference('cnf.neg', [status(esa)], [clause87])).
% 7.67/1.74  thf(zip_derived_cl86, plain, ((~ (hskp24) | ~ (c2_1 @ a280))),
% 7.67/1.74      inference('cnf', [status(esa)], [zf_stmt_16])).
% 7.67/1.74  thf('14', plain, (~ ( (hskp24)) | ~ ( (c2_1 @ a280))),
% 7.67/1.74      inference('split', [status(esa)], [zip_derived_cl86])).
% 7.67/1.74  thf(clause88, conjecture, (~( ( ~( hskp24 ) ) | ( ~( c3_1 @ a280 ) ) ))).
% 7.67/1.74  thf(zf_stmt_17, negated_conjecture, (( ~( hskp24 ) ) | ( ~( c3_1 @ a280 ) )),
% 7.67/1.74    inference('cnf.neg', [status(esa)], [clause88])).
% 7.67/1.74  thf(zip_derived_cl87, plain, ((~ (hskp24) | ~ (c3_1 @ a280))),
% 7.67/1.74      inference('cnf', [status(esa)], [zf_stmt_17])).
% 7.67/1.74  thf('15', plain, (~ ( (hskp24)) | ~ ( (c3_1 @ a280))),
% 7.67/1.74      inference('split', [status(esa)], [zip_derived_cl87])).
% 7.67/1.74  thf(clause144, conjecture,
% 7.67/1.74    (~( ( hskp9 ) | ( hskp26 ) | ( c3_1 @ U ) | ( c2_1 @ U ) | 
% 7.67/1.74        ( ~( ndr1_0 ) ) | ( ~( c1_1 @ U ) ) ))).
% 7.67/1.74  thf(zf_stmt_18, negated_conjecture,
% 7.67/1.74    (( hskp9 ) | ( hskp26 ) | ( c3_1 @ U ) | ( c2_1 @ U ) | ( ~( ndr1_0 ) ) | 
% 7.67/1.74     ( ~( c1_1 @ U ) )),
% 7.67/1.74    inference('cnf.neg', [status(esa)], [clause144])).
% 7.67/1.74  thf(zip_derived_cl143, plain,
% 7.67/1.74      (![X0 : $i]:
% 7.67/1.74         ( (hskp9)
% 7.67/1.74          |  (hskp26)
% 7.67/1.74          |  (c3_1 @ X0)
% 7.67/1.74          |  (c2_1 @ X0)
% 7.67/1.74          | ~ (ndr1_0)
% 7.67/1.74          | ~ (c1_1 @ X0))),
% 7.67/1.74      inference('cnf', [status(esa)], [zf_stmt_18])).
% 7.67/1.74  thf(zip_derived_cl520, plain,
% 7.67/1.74      ((![X0 : $i]: ( (c2_1 @ X0) | ~ (c1_1 @ X0) |  (c3_1 @ X0)))
% 7.67/1.74         <= ((![X0 : $i]: ( (c2_1 @ X0) | ~ (c1_1 @ X0) |  (c3_1 @ X0))))),
% 7.67/1.74      inference('split', [status(esa)], [zip_derived_cl143])).
% 7.67/1.74  thf(zip_derived_cl379, plain, ((~ (c2_1 @ a280)) <= (~ ( (c2_1 @ a280)))),
% 7.67/1.74      inference('split', [status(esa)], [zip_derived_cl86])).
% 7.67/1.74  thf(zip_derived_cl1885, plain,
% 7.67/1.74      ((( (c3_1 @ a280) | ~ (c1_1 @ a280)))
% 7.67/1.74         <= (~ ( (c2_1 @ a280)) & 
% 7.67/1.74             (![X0 : $i]: ( (c2_1 @ X0) | ~ (c1_1 @ X0) |  (c3_1 @ X0))))),
% 7.67/1.74      inference('s_sup-', [status(thm)], [zip_derived_cl520, zip_derived_cl379])).
% 7.67/1.74  thf('16', plain,
% 7.67/1.74      (( (c2_1 @ a280)) | ( (c3_1 @ a280)) | 
% 7.67/1.74       ~ (![X0 : $i]: ( (c2_1 @ X0) | ~ (c1_1 @ X0) |  (c3_1 @ X0))) | 
% 7.67/1.74       ~ ( (c1_1 @ a280))),
% 7.67/1.74      inference('split', [status(esa)], [zip_derived_cl1885])).
% 7.67/1.74  thf(clause151, conjecture,
% 7.67/1.74    (~( ( hskp24 ) | ( hskp15 ) | ( c1_1 @ U ) | ( ~( ndr1_0 ) ) | 
% 7.67/1.74        ( ~( c3_1 @ U ) ) | ( ~( c2_1 @ U ) ) ))).
% 7.67/1.74  thf(zf_stmt_19, negated_conjecture,
% 7.67/1.74    (( hskp24 ) | ( hskp15 ) | ( c1_1 @ U ) | ( ~( ndr1_0 ) ) | 
% 7.67/1.74     ( ~( c3_1 @ U ) ) | ( ~( c2_1 @ U ) )),
% 7.67/1.74    inference('cnf.neg', [status(esa)], [clause151])).
% 7.67/1.74  thf(zip_derived_cl150, plain,
% 7.67/1.74      (![X0 : $i]:
% 7.67/1.74         ( (hskp24)
% 7.67/1.74          |  (hskp15)
% 7.67/1.74          |  (c1_1 @ X0)
% 7.67/1.74          | ~ (ndr1_0)
% 7.67/1.74          | ~ (c3_1 @ X0)
% 7.67/1.74          | ~ (c2_1 @ X0))),
% 7.67/1.74      inference('cnf', [status(esa)], [zf_stmt_19])).
% 7.67/1.74  thf('17', plain,
% 7.67/1.74      (( (hskp15)) | ( (hskp24)) | ~ ( (ndr1_0)) | 
% 7.67/1.74       (![X0 : $i]: (~ (c2_1 @ X0) |  (c1_1 @ X0) | ~ (c3_1 @ X0)))),
% 7.67/1.74      inference('split', [status(esa)], [zip_derived_cl150])).
% 7.67/1.74  thf(clause171, conjecture,
% 7.67/1.74    (~( ( hskp15 ) | ( c0_1 @ V ) | ( c2_1 @ U ) | ( c1_1 @ U ) | 
% 7.67/1.74        ( ~( c2_1 @ V ) ) | ( ~( c1_1 @ V ) ) | ( ~( ndr1_0 ) ) | 
% 7.67/1.74        ( ~( c3_1 @ U ) ) ))).
% 7.67/1.74  thf(zf_stmt_20, negated_conjecture,
% 7.67/1.74    (( hskp15 ) | ( c0_1 @ V ) | ( c2_1 @ U ) | ( c1_1 @ U ) | 
% 7.67/1.74     ( ~( c2_1 @ V ) ) | ( ~( c1_1 @ V ) ) | ( ~( ndr1_0 ) ) | 
% 7.67/1.74     ( ~( c3_1 @ U ) )),
% 7.67/1.74    inference('cnf.neg', [status(esa)], [clause171])).
% 7.67/1.74  thf(zip_derived_cl170, plain,
% 7.67/1.74      (![X0 : $i, X1 : $i]:
% 7.67/1.74         ( (hskp15)
% 7.67/1.74          |  (c0_1 @ X0)
% 7.67/1.74          |  (c2_1 @ X1)
% 7.67/1.74          |  (c1_1 @ X1)
% 7.67/1.74          | ~ (c2_1 @ X0)
% 7.67/1.74          | ~ (c1_1 @ X0)
% 7.67/1.74          | ~ (ndr1_0)
% 7.67/1.74          | ~ (c3_1 @ X1))),
% 7.67/1.74      inference('cnf', [status(esa)], [zf_stmt_20])).
% 7.67/1.74  thf('18', plain,
% 7.67/1.74      (( (hskp15)) | 
% 7.67/1.74       (![X0 : $i]: ( (c2_1 @ X0) |  (c1_1 @ X0) | ~ (c3_1 @ X0))) | 
% 7.67/1.74       ~ ( (ndr1_0)) | 
% 7.67/1.74       (![X0 : $i]: (~ (c2_1 @ X0) | ~ (c1_1 @ X0) |  (c0_1 @ X0)))),
% 7.67/1.74      inference('split', [status(esa)], [zip_derived_cl170])).
% 7.67/1.74  thf(clause103, conjecture, (~( ( ~( hskp15 ) ) | ( ~( c0_1 @ a242 ) ) ))).
% 7.67/1.74  thf(zf_stmt_21, negated_conjecture, (( ~( hskp15 ) ) | ( ~( c0_1 @ a242 ) )),
% 7.67/1.74    inference('cnf.neg', [status(esa)], [clause103])).
% 7.67/1.74  thf(zip_derived_cl102, plain, ((~ (hskp15) | ~ (c0_1 @ a242))),
% 7.67/1.74      inference('cnf', [status(esa)], [zf_stmt_21])).
% 7.67/1.74  thf('19', plain, (~ ( (c0_1 @ a242)) | ~ ( (hskp15))),
% 7.67/1.74      inference('split', [status(esa)], [zip_derived_cl102])).
% 7.67/1.74  thf(clause147, conjecture,
% 7.67/1.74    (~( ( hskp6 ) | ( hskp3 ) | ( c0_1 @ U ) | ( ~( ndr1_0 ) ) | 
% 7.67/1.74        ( ~( c3_1 @ U ) ) | ( ~( c1_1 @ U ) ) ))).
% 7.67/1.74  thf(zf_stmt_22, negated_conjecture,
% 7.67/1.74    (( hskp6 ) | ( hskp3 ) | ( c0_1 @ U ) | ( ~( ndr1_0 ) ) | 
% 7.67/1.74     ( ~( c3_1 @ U ) ) | ( ~( c1_1 @ U ) )),
% 7.67/1.74    inference('cnf.neg', [status(esa)], [clause147])).
% 7.67/1.74  thf(zip_derived_cl146, plain,
% 7.67/1.74      (![X0 : $i]:
% 7.67/1.74         ( (hskp6)
% 7.67/1.74          |  (hskp3)
% 7.67/1.74          |  (c0_1 @ X0)
% 7.67/1.74          | ~ (ndr1_0)
% 7.67/1.74          | ~ (c3_1 @ X0)
% 7.67/1.74          | ~ (c1_1 @ X0))),
% 7.67/1.74      inference('cnf', [status(esa)], [zf_stmt_22])).
% 7.67/1.74  thf(zip_derived_cl532, plain,
% 7.67/1.74      ((![X0 : $i]: (~ (c1_1 @ X0) |  (c0_1 @ X0) | ~ (c3_1 @ X0)))
% 7.67/1.74         <= ((![X0 : $i]: (~ (c1_1 @ X0) |  (c0_1 @ X0) | ~ (c3_1 @ X0))))),
% 7.67/1.74      inference('split', [status(esa)], [zip_derived_cl146])).
% 7.67/1.74  thf(zip_derived_cl411, plain, ((~ (c0_1 @ a242)) <= (~ ( (c0_1 @ a242)))),
% 7.67/1.74      inference('split', [status(esa)], [zip_derived_cl102])).
% 7.67/1.74  thf(zip_derived_cl1480, plain,
% 7.67/1.74      (((~ (c3_1 @ a242) | ~ (c1_1 @ a242)))
% 7.67/1.74         <= (~ ( (c0_1 @ a242)) & 
% 7.67/1.74             (![X0 : $i]: (~ (c1_1 @ X0) |  (c0_1 @ X0) | ~ (c3_1 @ X0))))),
% 7.67/1.74      inference('s_sup-', [status(thm)], [zip_derived_cl532, zip_derived_cl411])).
% 7.67/1.74  thf('20', plain,
% 7.67/1.74      (~ ( (c3_1 @ a242)) | ~ ( (c1_1 @ a242)) | 
% 7.67/1.74       ~ (![X0 : $i]: (~ (c1_1 @ X0) |  (c0_1 @ X0) | ~ (c3_1 @ X0))) | 
% 7.67/1.74       ( (c0_1 @ a242))),
% 7.67/1.74      inference('split', [status(esa)], [zip_derived_cl1480])).
% 7.67/1.74  thf(clause65, conjecture, (~( ( c1_1 @ a242 ) | ( ~( hskp15 ) ) ))).
% 7.67/1.74  thf(zf_stmt_23, negated_conjecture, (( c1_1 @ a242 ) | ( ~( hskp15 ) )),
% 7.67/1.74    inference('cnf.neg', [status(esa)], [clause65])).
% 7.67/1.74  thf(zip_derived_cl64, plain, (( (c1_1 @ a242) | ~ (hskp15))),
% 7.67/1.74      inference('cnf', [status(esa)], [zf_stmt_23])).
% 7.67/1.74  thf('21', plain, (( (c1_1 @ a242)) | ~ ( (hskp15))),
% 7.67/1.74      inference('split', [status(esa)], [zip_derived_cl64])).
% 7.67/1.74  thf(clause104, conjecture, (~( ( ~( hskp15 ) ) | ( ~( c2_1 @ a242 ) ) ))).
% 7.67/1.74  thf(zf_stmt_24, negated_conjecture, (( ~( hskp15 ) ) | ( ~( c2_1 @ a242 ) )),
% 7.67/1.74    inference('cnf.neg', [status(esa)], [clause104])).
% 7.67/1.74  thf(zip_derived_cl103, plain, ((~ (hskp15) | ~ (c2_1 @ a242))),
% 7.67/1.74      inference('cnf', [status(esa)], [zf_stmt_24])).
% 7.67/1.74  thf('22', plain, (~ ( (c2_1 @ a242)) | ~ ( (hskp15))),
% 7.67/1.74      inference('split', [status(esa)], [zip_derived_cl103])).
% 7.67/1.74  thf(zip_derived_cl520, plain,
% 7.67/1.74      ((![X0 : $i]: ( (c2_1 @ X0) | ~ (c1_1 @ X0) |  (c3_1 @ X0)))
% 7.67/1.74         <= ((![X0 : $i]: ( (c2_1 @ X0) | ~ (c1_1 @ X0) |  (c3_1 @ X0))))),
% 7.67/1.74      inference('split', [status(esa)], [zip_derived_cl143])).
% 7.67/1.74  thf(zip_derived_cl413, plain, ((~ (c2_1 @ a242)) <= (~ ( (c2_1 @ a242)))),
% 7.67/1.74      inference('split', [status(esa)], [zip_derived_cl103])).
% 7.67/1.74  thf(zip_derived_cl1892, plain,
% 7.67/1.74      ((( (c3_1 @ a242) | ~ (c1_1 @ a242)))
% 7.67/1.74         <= (~ ( (c2_1 @ a242)) & 
% 7.67/1.74             (![X0 : $i]: ( (c2_1 @ X0) | ~ (c1_1 @ X0) |  (c3_1 @ X0))))),
% 7.67/1.74      inference('s_sup-', [status(thm)], [zip_derived_cl520, zip_derived_cl413])).
% 7.67/1.74  thf('23', plain,
% 7.67/1.74      (( (c3_1 @ a242)) | ( (c2_1 @ a242)) | 
% 7.67/1.74       ~ (![X0 : $i]: ( (c2_1 @ X0) | ~ (c1_1 @ X0) |  (c3_1 @ X0))) | 
% 7.67/1.74       ~ ( (c1_1 @ a242))),
% 7.67/1.74      inference('split', [status(esa)], [zip_derived_cl1892])).
% 7.67/1.74  thf(clause186, conjecture,
% 7.67/1.74    (~( ( hskp28 ) | ( c3_1 @ V ) | ( ~( c1_1 @ V ) ) | ( ~( c0_1 @ V ) ) | 
% 7.67/1.74        ( ~( ndr1_0 ) ) | ( ~( c3_1 @ U ) ) | ( ~( c2_1 @ U ) ) | 
% 7.67/1.74        ( ~( c1_1 @ U ) ) ))).
% 7.67/1.74  thf(zf_stmt_25, negated_conjecture,
% 7.67/1.74    (( hskp28 ) | ( c3_1 @ V ) | ( ~( c1_1 @ V ) ) | ( ~( c0_1 @ V ) ) | 
% 7.67/1.74     ( ~( ndr1_0 ) ) | ( ~( c3_1 @ U ) ) | ( ~( c2_1 @ U ) ) | 
% 7.67/1.74     ( ~( c1_1 @ U ) )),
% 7.67/1.74    inference('cnf.neg', [status(esa)], [clause186])).
% 7.67/1.74  thf(zip_derived_cl185, plain,
% 7.67/1.74      (![X0 : $i, X1 : $i]:
% 7.67/1.74         ( (hskp28)
% 7.67/1.74          |  (c3_1 @ X0)
% 7.67/1.74          | ~ (c1_1 @ X0)
% 7.67/1.74          | ~ (c0_1 @ X0)
% 7.67/1.74          | ~ (ndr1_0)
% 7.67/1.74          | ~ (c3_1 @ X1)
% 7.67/1.74          | ~ (c2_1 @ X1)
% 7.67/1.74          | ~ (c1_1 @ X1))),
% 7.67/1.74      inference('cnf', [status(esa)], [zf_stmt_25])).
% 7.67/1.74  thf('24', plain,
% 7.67/1.74      ((![X1 : $i]: ( (c3_1 @ X1) | ~ (c0_1 @ X1) | ~ (c1_1 @ X1))) | 
% 7.67/1.74       ( (hskp28)) | 
% 7.67/1.74       (![X0 : $i]: (~ (c2_1 @ X0) | ~ (c1_1 @ X0) | ~ (c3_1 @ X0))) | 
% 7.67/1.74       ~ ( (ndr1_0))),
% 7.67/1.74      inference('split', [status(esa)], [zip_derived_cl185])).
% 7.67/1.74  thf(clause185, conjecture,
% 7.67/1.74    (~( ( hskp28 ) | ( c3_1 @ V ) | ( c2_1 @ V ) | ( ~( c1_1 @ V ) ) | 
% 7.67/1.74        ( ~( ndr1_0 ) ) | ( ~( c3_1 @ U ) ) | ( ~( c1_1 @ U ) ) | 
% 7.67/1.74        ( ~( c0_1 @ U ) ) ))).
% 7.67/1.74  thf(zf_stmt_26, negated_conjecture,
% 7.67/1.74    (( hskp28 ) | ( c3_1 @ V ) | ( c2_1 @ V ) | ( ~( c1_1 @ V ) ) | 
% 7.67/1.74     ( ~( ndr1_0 ) ) | ( ~( c3_1 @ U ) ) | ( ~( c1_1 @ U ) ) | 
% 7.67/1.74     ( ~( c0_1 @ U ) )),
% 7.67/1.74    inference('cnf.neg', [status(esa)], [clause185])).
% 7.67/1.74  thf(zip_derived_cl184, plain,
% 7.67/1.74      (![X0 : $i, X1 : $i]:
% 7.67/1.74         ( (hskp28)
% 7.67/1.74          |  (c3_1 @ X0)
% 7.67/1.74          |  (c2_1 @ X0)
% 7.67/1.74          | ~ (c1_1 @ X0)
% 7.67/1.74          | ~ (ndr1_0)
% 7.67/1.74          | ~ (c3_1 @ X1)
% 7.67/1.74          | ~ (c1_1 @ X1)
% 7.67/1.74          | ~ (c0_1 @ X1))),
% 7.67/1.74      inference('cnf', [status(esa)], [zf_stmt_26])).
% 7.67/1.74  thf('25', plain,
% 7.67/1.74      ((![X0 : $i]: ( (c2_1 @ X0) | ~ (c1_1 @ X0) |  (c3_1 @ X0))) | 
% 7.67/1.74       ( (hskp28)) | 
% 7.67/1.74       (![X0 : $i]: (~ (c1_1 @ X0) | ~ (c0_1 @ X0) | ~ (c3_1 @ X0))) | 
% 7.67/1.74       ~ ( (ndr1_0))),
% 7.67/1.74      inference('split', [status(esa)], [zip_derived_cl184])).
% 7.67/1.74  thf(clause188, conjecture,
% 7.67/1.74    (~( ( hskp22 ) | ( ~( c2_1 @ V ) ) | ( ~( c1_1 @ V ) ) | 
% 7.67/1.74        ( ~( c0_1 @ V ) ) | ( ~( ndr1_0 ) ) | ( ~( c3_1 @ U ) ) | 
% 7.67/1.74        ( ~( c2_1 @ U ) ) | ( ~( c0_1 @ U ) ) ))).
% 7.67/1.74  thf(zf_stmt_27, negated_conjecture,
% 7.67/1.74    (( hskp22 ) | ( ~( c2_1 @ V ) ) | ( ~( c1_1 @ V ) ) | ( ~( c0_1 @ V ) ) | 
% 7.67/1.74     ( ~( ndr1_0 ) ) | ( ~( c3_1 @ U ) ) | ( ~( c2_1 @ U ) ) | 
% 7.67/1.74     ( ~( c0_1 @ U ) )),
% 7.67/1.74    inference('cnf.neg', [status(esa)], [clause188])).
% 7.67/1.74  thf(zip_derived_cl187, plain,
% 7.67/1.74      (![X0 : $i, X1 : $i]:
% 7.67/1.74         ( (hskp22)
% 7.67/1.74          | ~ (c2_1 @ X0)
% 7.67/1.74          | ~ (c1_1 @ X0)
% 7.67/1.74          | ~ (c0_1 @ X0)
% 7.67/1.74          | ~ (ndr1_0)
% 7.67/1.74          | ~ (c3_1 @ X1)
% 7.67/1.74          | ~ (c2_1 @ X1)
% 7.67/1.74          | ~ (c0_1 @ X1))),
% 7.67/1.74      inference('cnf', [status(esa)], [zf_stmt_27])).
% 7.67/1.74  thf(zip_derived_cl697, plain,
% 7.67/1.74      ((![X0 : $i]: (~ (c2_1 @ X0) | ~ (c1_1 @ X0) | ~ (c0_1 @ X0)))
% 7.67/1.74         <= ((![X0 : $i]: (~ (c2_1 @ X0) | ~ (c1_1 @ X0) | ~ (c0_1 @ X0))))),
% 7.67/1.74      inference('split', [status(esa)], [zip_derived_cl187])).
% 7.67/1.74  thf(clause145, conjecture,
% 7.67/1.74    (~( ( hskp7 ) | ( hskp16 ) | ( c0_1 @ U ) | ( ~( ndr1_0 ) ) | 
% 7.67/1.74        ( ~( c2_1 @ U ) ) | ( ~( c1_1 @ U ) ) ))).
% 7.67/1.74  thf(zf_stmt_28, negated_conjecture,
% 7.67/1.74    (( hskp7 ) | ( hskp16 ) | ( c0_1 @ U ) | ( ~( ndr1_0 ) ) | 
% 7.67/1.74     ( ~( c2_1 @ U ) ) | ( ~( c1_1 @ U ) )),
% 7.67/1.74    inference('cnf.neg', [status(esa)], [clause145])).
% 7.67/1.74  thf(zip_derived_cl144, plain,
% 7.67/1.74      (![X0 : $i]:
% 7.67/1.74         ( (hskp7)
% 7.67/1.74          |  (hskp16)
% 7.67/1.74          |  (c0_1 @ X0)
% 7.67/1.74          | ~ (ndr1_0)
% 7.67/1.74          | ~ (c2_1 @ X0)
% 7.67/1.74          | ~ (c1_1 @ X0))),
% 7.67/1.74      inference('cnf', [status(esa)], [zf_stmt_28])).
% 7.67/1.74  thf(zip_derived_cl524, plain,
% 7.67/1.74      ((![X0 : $i]: (~ (c2_1 @ X0) | ~ (c1_1 @ X0) |  (c0_1 @ X0)))
% 7.67/1.74         <= ((![X0 : $i]: (~ (c2_1 @ X0) | ~ (c1_1 @ X0) |  (c0_1 @ X0))))),
% 7.67/1.74      inference('split', [status(esa)], [zip_derived_cl144])).
% 7.67/1.74  thf(zip_derived_cl1451, plain,
% 7.67/1.74      ((![X0 : $i]:
% 7.67/1.74          (~ (c1_1 @ X0) | ~ (c2_1 @ X0) | ~ (c2_1 @ X0) | ~ (c1_1 @ X0)))
% 7.67/1.74         <= ((![X0 : $i]: (~ (c2_1 @ X0) | ~ (c1_1 @ X0) |  (c0_1 @ X0))) & 
% 7.67/1.74             (![X0 : $i]: (~ (c2_1 @ X0) | ~ (c1_1 @ X0) | ~ (c0_1 @ X0))))),
% 7.67/1.74      inference('s_sup+', [status(thm)], [zip_derived_cl697, zip_derived_cl524])).
% 7.67/1.74  thf(zip_derived_cl1458, plain,
% 7.67/1.74      ((![X0 : $i]: (~ (c2_1 @ X0) | ~ (c1_1 @ X0)))
% 7.67/1.74         <= ((![X0 : $i]: (~ (c2_1 @ X0) | ~ (c1_1 @ X0) |  (c0_1 @ X0))) & 
% 7.67/1.74             (![X0 : $i]: (~ (c2_1 @ X0) | ~ (c1_1 @ X0) | ~ (c0_1 @ X0))))),
% 7.67/1.74      inference('simplify', [status(thm)], [zip_derived_cl1451])).
% 7.67/1.74  thf(clause47, conjecture, (~( ( c2_1 @ a261 ) | ( ~( hskp27 ) ) ))).
% 7.67/1.74  thf(zf_stmt_29, negated_conjecture, (( c2_1 @ a261 ) | ( ~( hskp27 ) )),
% 7.67/1.74    inference('cnf.neg', [status(esa)], [clause47])).
% 7.67/1.74  thf(zip_derived_cl46, plain, (( (c2_1 @ a261) | ~ (hskp27))),
% 7.67/1.74      inference('cnf', [status(esa)], [zf_stmt_29])).
% 7.67/1.74  thf(zip_derived_cl299, plain, (( (c2_1 @ a261)) <= (( (c2_1 @ a261)))),
% 7.67/1.74      inference('split', [status(esa)], [zip_derived_cl46])).
% 7.67/1.74  thf(zip_derived_cl2313, plain,
% 7.67/1.74      ((~ (c1_1 @ a261))
% 7.67/1.74         <= (( (c2_1 @ a261)) & 
% 7.67/1.74             (![X0 : $i]: (~ (c2_1 @ X0) | ~ (c1_1 @ X0) |  (c0_1 @ X0))) & 
% 7.67/1.74             (![X0 : $i]: (~ (c2_1 @ X0) | ~ (c1_1 @ X0) | ~ (c0_1 @ X0))))),
% 7.67/1.74      inference('s_sup+', [status(thm)],
% 7.67/1.74                [zip_derived_cl1458, zip_derived_cl299])).
% 7.67/1.74  thf(clause46, conjecture, (~( ( c1_1 @ a261 ) | ( ~( hskp27 ) ) ))).
% 7.67/1.74  thf(zf_stmt_30, negated_conjecture, (( c1_1 @ a261 ) | ( ~( hskp27 ) )),
% 7.67/1.74    inference('cnf.neg', [status(esa)], [clause46])).
% 7.67/1.74  thf(zip_derived_cl45, plain, (( (c1_1 @ a261) | ~ (hskp27))),
% 7.67/1.74      inference('cnf', [status(esa)], [zf_stmt_30])).
% 7.67/1.74  thf(zip_derived_cl297, plain, (( (c1_1 @ a261)) <= (( (c1_1 @ a261)))),
% 7.67/1.74      inference('split', [status(esa)], [zip_derived_cl45])).
% 7.67/1.74  thf('26', plain,
% 7.67/1.74      (~ ( (c1_1 @ a261)) | 
% 7.67/1.74       ~ (![X0 : $i]: (~ (c2_1 @ X0) | ~ (c1_1 @ X0) |  (c0_1 @ X0))) | 
% 7.67/1.74       ~ (![X0 : $i]: (~ (c2_1 @ X0) | ~ (c1_1 @ X0) | ~ (c0_1 @ X0))) | 
% 7.67/1.74       ~ ( (c2_1 @ a261))),
% 7.67/1.74      inference('s_sup+', [status(thm)],
% 7.67/1.74                [zip_derived_cl2313, zip_derived_cl297])).
% 7.67/1.74  thf('27', plain, (( (c0_1 @ a282)) | ~ ( (hskp28))),
% 7.67/1.74      inference('split', [status(esa)], [zip_derived_cl42])).
% 7.67/1.74  thf(clause44, conjecture, (~( ( c1_1 @ a282 ) | ( ~( hskp28 ) ) ))).
% 7.67/1.74  thf(zf_stmt_31, negated_conjecture, (( c1_1 @ a282 ) | ( ~( hskp28 ) )),
% 7.67/1.74    inference('cnf.neg', [status(esa)], [clause44])).
% 7.67/1.74  thf(zip_derived_cl43, plain, (( (c1_1 @ a282) | ~ (hskp28))),
% 7.67/1.74      inference('cnf', [status(esa)], [zf_stmt_31])).
% 7.67/1.74  thf('28', plain, (( (c1_1 @ a282)) | ~ ( (hskp28))),
% 7.67/1.74      inference('split', [status(esa)], [zip_derived_cl43])).
% 7.67/1.74  thf('29', plain, (( (c2_1 @ a282)) | ~ ( (hskp28))),
% 7.67/1.74      inference('split', [status(esa)], [zip_derived_cl44])).
% 7.67/1.74  thf(zip_derived_cl697, plain,
% 7.67/1.74      ((![X0 : $i]: (~ (c2_1 @ X0) | ~ (c1_1 @ X0) | ~ (c0_1 @ X0)))
% 7.67/1.74         <= ((![X0 : $i]: (~ (c2_1 @ X0) | ~ (c1_1 @ X0) | ~ (c0_1 @ X0))))),
% 7.67/1.74      inference('split', [status(esa)], [zip_derived_cl187])).
% 7.67/1.74  thf(zip_derived_cl291, plain, (( (c0_1 @ a282)) <= (( (c0_1 @ a282)))),
% 7.67/1.74      inference('split', [status(esa)], [zip_derived_cl42])).
% 7.67/1.74  thf(zip_derived_cl855, plain,
% 7.67/1.74      (((~ (c1_1 @ a282) | ~ (c2_1 @ a282)))
% 7.67/1.74         <= (( (c0_1 @ a282)) & 
% 7.67/1.74             (![X0 : $i]: (~ (c2_1 @ X0) | ~ (c1_1 @ X0) | ~ (c0_1 @ X0))))),
% 7.67/1.74      inference('s_sup+', [status(thm)], [zip_derived_cl697, zip_derived_cl291])).
% 7.67/1.74  thf('30', plain,
% 7.67/1.74      (~ ( (c0_1 @ a282)) | ~ ( (c1_1 @ a282)) | 
% 7.67/1.74       ~ (![X0 : $i]: (~ (c2_1 @ X0) | ~ (c1_1 @ X0) | ~ (c0_1 @ X0))) | 
% 7.67/1.74       ~ ( (c2_1 @ a282))),
% 7.67/1.74      inference('split', [status(esa)], [zip_derived_cl855])).
% 7.67/1.74  thf(zip_derived_cl560, plain,
% 7.67/1.74      ((![X0 : $i]: (~ (c1_1 @ X0) | ~ (c0_1 @ X0) | ~ (c3_1 @ X0)))
% 7.67/1.74         <= ((![X0 : $i]: (~ (c1_1 @ X0) | ~ (c0_1 @ X0) | ~ (c3_1 @ X0))))),
% 7.67/1.74      inference('split', [status(esa)], [zip_derived_cl153])).
% 7.67/1.74  thf(zip_derived_cl532, plain,
% 7.67/1.74      ((![X0 : $i]: (~ (c1_1 @ X0) |  (c0_1 @ X0) | ~ (c3_1 @ X0)))
% 7.67/1.74         <= ((![X0 : $i]: (~ (c1_1 @ X0) |  (c0_1 @ X0) | ~ (c3_1 @ X0))))),
% 7.67/1.74      inference('split', [status(esa)], [zip_derived_cl146])).
% 7.67/1.74  thf(zip_derived_cl1492, plain,
% 7.67/1.74      ((![X0 : $i]:
% 7.67/1.74          (~ (c3_1 @ X0) | ~ (c1_1 @ X0) | ~ (c1_1 @ X0) | ~ (c3_1 @ X0)))
% 7.67/1.74         <= ((![X0 : $i]: (~ (c1_1 @ X0) |  (c0_1 @ X0) | ~ (c3_1 @ X0))) & 
% 7.67/1.74             (![X0 : $i]: (~ (c1_1 @ X0) | ~ (c0_1 @ X0) | ~ (c3_1 @ X0))))),
% 7.67/1.74      inference('s_sup+', [status(thm)], [zip_derived_cl560, zip_derived_cl532])).
% 7.67/1.74  thf(zip_derived_cl1500, plain,
% 7.67/1.74      ((![X0 : $i]: (~ (c1_1 @ X0) | ~ (c3_1 @ X0)))
% 7.67/1.74         <= ((![X0 : $i]: (~ (c1_1 @ X0) |  (c0_1 @ X0) | ~ (c3_1 @ X0))) & 
% 7.67/1.74             (![X0 : $i]: (~ (c1_1 @ X0) | ~ (c0_1 @ X0) | ~ (c3_1 @ X0))))),
% 7.67/1.74      inference('simplify', [status(thm)], [zip_derived_cl1492])).
% 7.67/1.74  thf(zip_derived_cl297, plain, (( (c1_1 @ a261)) <= (( (c1_1 @ a261)))),
% 7.67/1.74      inference('split', [status(esa)], [zip_derived_cl45])).
% 7.67/1.74  thf(zip_derived_cl2351, plain,
% 7.67/1.74      ((~ (c3_1 @ a261))
% 7.67/1.74         <= (( (c1_1 @ a261)) & 
% 7.67/1.74             (![X0 : $i]: (~ (c1_1 @ X0) |  (c0_1 @ X0) | ~ (c3_1 @ X0))) & 
% 7.67/1.74             (![X0 : $i]: (~ (c1_1 @ X0) | ~ (c0_1 @ X0) | ~ (c3_1 @ X0))))),
% 7.67/1.74      inference('s_sup+', [status(thm)],
% 7.67/1.74                [zip_derived_cl1500, zip_derived_cl297])).
% 7.67/1.74  thf(clause48, conjecture, (~( ( c3_1 @ a261 ) | ( ~( hskp27 ) ) ))).
% 7.67/1.74  thf(zf_stmt_32, negated_conjecture, (( c3_1 @ a261 ) | ( ~( hskp27 ) )),
% 7.67/1.74    inference('cnf.neg', [status(esa)], [clause48])).
% 7.67/1.74  thf(zip_derived_cl47, plain, (( (c3_1 @ a261) | ~ (hskp27))),
% 7.67/1.74      inference('cnf', [status(esa)], [zf_stmt_32])).
% 7.67/1.74  thf(zip_derived_cl301, plain, (( (c3_1 @ a261)) <= (( (c3_1 @ a261)))),
% 7.67/1.74      inference('split', [status(esa)], [zip_derived_cl47])).
% 7.67/1.74  thf('31', plain,
% 7.67/1.74      (~ ( (c1_1 @ a261)) | ~ ( (c3_1 @ a261)) | 
% 7.67/1.74       ~ (![X0 : $i]: (~ (c1_1 @ X0) |  (c0_1 @ X0) | ~ (c3_1 @ X0))) | 
% 7.67/1.74       ~ (![X0 : $i]: (~ (c1_1 @ X0) | ~ (c0_1 @ X0) | ~ (c3_1 @ X0)))),
% 7.67/1.74      inference('s_sup+', [status(thm)],
% 7.67/1.74                [zip_derived_cl2351, zip_derived_cl301])).
% 7.67/1.74  thf(clause139, conjecture,
% 7.67/1.74    (~( ( hskp8 ) | ( hskp1 ) | ( c1_1 @ U ) | ( c0_1 @ U ) | 
% 7.67/1.74        ( ~( ndr1_0 ) ) | ( ~( c3_1 @ U ) ) ))).
% 7.67/1.74  thf(zf_stmt_33, negated_conjecture,
% 7.67/1.74    (( hskp8 ) | ( hskp1 ) | ( c1_1 @ U ) | ( c0_1 @ U ) | ( ~( ndr1_0 ) ) | 
% 7.67/1.74     ( ~( c3_1 @ U ) )),
% 7.67/1.74    inference('cnf.neg', [status(esa)], [clause139])).
% 7.67/1.74  thf(zip_derived_cl138, plain,
% 7.67/1.74      (![X0 : $i]:
% 7.67/1.74         ( (hskp8)
% 7.67/1.74          |  (hskp1)
% 7.67/1.74          |  (c1_1 @ X0)
% 7.67/1.74          |  (c0_1 @ X0)
% 7.67/1.74          | ~ (ndr1_0)
% 7.67/1.74          | ~ (c3_1 @ X0))),
% 7.67/1.74      inference('cnf', [status(esa)], [zf_stmt_33])).
% 7.67/1.74  thf(zip_derived_cl500, plain,
% 7.67/1.74      ((![X0 : $i]: ( (c1_1 @ X0) |  (c0_1 @ X0) | ~ (c3_1 @ X0)))
% 7.67/1.74         <= ((![X0 : $i]: ( (c1_1 @ X0) |  (c0_1 @ X0) | ~ (c3_1 @ X0))))),
% 7.67/1.74      inference('split', [status(esa)], [zip_derived_cl138])).
% 7.67/1.74  thf(clause124, conjecture, (~( ( ~( hskp2 ) ) | ( ~( c0_1 @ a215 ) ) ))).
% 7.67/1.74  thf(zf_stmt_34, negated_conjecture, (( ~( hskp2 ) ) | ( ~( c0_1 @ a215 ) )),
% 7.67/1.74    inference('cnf.neg', [status(esa)], [clause124])).
% 7.67/1.74  thf(zip_derived_cl123, plain, ((~ (hskp2) | ~ (c0_1 @ a215))),
% 7.67/1.74      inference('cnf', [status(esa)], [zf_stmt_34])).
% 7.67/1.74  thf(zip_derived_cl453, plain, ((~ (c0_1 @ a215)) <= (~ ( (c0_1 @ a215)))),
% 7.67/1.74      inference('split', [status(esa)], [zip_derived_cl123])).
% 7.67/1.74  thf(zip_derived_cl1661, plain,
% 7.67/1.74      (((~ (c3_1 @ a215) |  (c1_1 @ a215)))
% 7.67/1.74         <= (~ ( (c0_1 @ a215)) & 
% 7.67/1.74             (![X0 : $i]: ( (c1_1 @ X0) |  (c0_1 @ X0) | ~ (c3_1 @ X0))))),
% 7.67/1.74      inference('s_sup-', [status(thm)], [zip_derived_cl500, zip_derived_cl453])).
% 7.67/1.74  thf('32', plain,
% 7.67/1.74      (~ ( (c3_1 @ a215)) | 
% 7.67/1.74       ~ (![X0 : $i]: ( (c1_1 @ X0) |  (c0_1 @ X0) | ~ (c3_1 @ X0))) | 
% 7.67/1.74       ( (c0_1 @ a215)) | ( (c1_1 @ a215))),
% 7.67/1.74      inference('split', [status(esa)], [zip_derived_cl1661])).
% 7.67/1.74  thf(clause174, conjecture,
% 7.67/1.74    (~( ( hskp1 ) | ( c0_1 @ V ) | ( c3_1 @ U ) | ( c2_1 @ U ) | 
% 7.67/1.74        ( ~( c3_1 @ V ) ) | ( ~( c1_1 @ V ) ) | ( ~( ndr1_0 ) ) | 
% 7.67/1.74        ( ~( c1_1 @ U ) ) ))).
% 7.67/1.74  thf(zf_stmt_35, negated_conjecture,
% 7.67/1.74    (( hskp1 ) | ( c0_1 @ V ) | ( c3_1 @ U ) | ( c2_1 @ U ) | 
% 7.67/1.74     ( ~( c3_1 @ V ) ) | ( ~( c1_1 @ V ) ) | ( ~( ndr1_0 ) ) | 
% 7.67/1.74     ( ~( c1_1 @ U ) )),
% 7.67/1.74    inference('cnf.neg', [status(esa)], [clause174])).
% 7.67/1.74  thf(zip_derived_cl173, plain,
% 7.67/1.74      (![X0 : $i, X1 : $i]:
% 7.67/1.74         ( (hskp1)
% 7.67/1.74          |  (c0_1 @ X0)
% 7.67/1.74          |  (c3_1 @ X1)
% 7.67/1.74          |  (c2_1 @ X1)
% 7.67/1.74          | ~ (c3_1 @ X0)
% 7.67/1.74          | ~ (c1_1 @ X0)
% 7.67/1.74          | ~ (ndr1_0)
% 7.67/1.74          | ~ (c1_1 @ X1))),
% 7.67/1.74      inference('cnf', [status(esa)], [zf_stmt_35])).
% 7.67/1.74  thf('33', plain,
% 7.67/1.74      (( (hskp1)) | 
% 7.67/1.74       (![X0 : $i]: ( (c2_1 @ X0) | ~ (c1_1 @ X0) |  (c3_1 @ X0))) | 
% 7.67/1.74       (![X0 : $i]: (~ (c1_1 @ X0) |  (c0_1 @ X0) | ~ (c3_1 @ X0))) | 
% 7.67/1.74       ~ ( (ndr1_0))),
% 7.67/1.74      inference('split', [status(esa)], [zip_derived_cl173])).
% 7.67/1.74  thf('34', plain,
% 7.67/1.74      (( (hskp9)) | ( (hskp26)) | 
% 7.67/1.74       (![X0 : $i]: ( (c2_1 @ X0) | ~ (c1_1 @ X0) |  (c3_1 @ X0))) | 
% 7.67/1.74       ~ ( (ndr1_0))),
% 7.67/1.74      inference('split', [status(esa)], [zip_derived_cl143])).
% 7.67/1.74  thf(clause197, conjecture,
% 7.67/1.74    (~( ( c3_1 @ W ) | ( c2_1 @ W ) | ( c3_1 @ V ) | ( ~( c1_1 @ W ) ) | 
% 7.67/1.74        ( ~( c1_1 @ V ) ) | ( ~( c0_1 @ V ) ) | ( ~( ndr1_0 ) ) | 
% 7.67/1.74        ( ~( c3_1 @ U ) ) | ( ~( c2_1 @ U ) ) | ( ~( c0_1 @ U ) ) ))).
% 7.67/1.74  thf(zf_stmt_36, negated_conjecture,
% 7.67/1.74    (( c3_1 @ W ) | ( c2_1 @ W ) | ( c3_1 @ V ) | ( ~( c1_1 @ W ) ) | 
% 7.67/1.74     ( ~( c1_1 @ V ) ) | ( ~( c0_1 @ V ) ) | ( ~( ndr1_0 ) ) | 
% 7.67/1.74     ( ~( c3_1 @ U ) ) | ( ~( c2_1 @ U ) ) | ( ~( c0_1 @ U ) )),
% 7.67/1.74    inference('cnf.neg', [status(esa)], [clause197])).
% 7.67/1.74  thf(zip_derived_cl196, plain,
% 7.67/1.74      (![X0 : $i, X1 : $i, X2 : $i]:
% 7.67/1.74         ( (c3_1 @ X0)
% 7.67/1.74          |  (c2_1 @ X0)
% 7.67/1.74          |  (c3_1 @ X1)
% 7.67/1.74          | ~ (c1_1 @ X0)
% 7.67/1.74          | ~ (c1_1 @ X1)
% 7.67/1.74          | ~ (c0_1 @ X1)
% 7.67/1.74          | ~ (ndr1_0)
% 7.67/1.74          | ~ (c3_1 @ X2)
% 7.67/1.74          | ~ (c2_1 @ X2)
% 7.67/1.74          | ~ (c0_1 @ X2))),
% 7.67/1.74      inference('cnf', [status(esa)], [zf_stmt_36])).
% 7.67/1.74  thf('35', plain,
% 7.67/1.74      ((![X1 : $i]: ( (c3_1 @ X1) | ~ (c0_1 @ X1) | ~ (c1_1 @ X1))) | 
% 7.67/1.74       (![X0 : $i]: (~ (c2_1 @ X0) | ~ (c0_1 @ X0) | ~ (c3_1 @ X0))) | 
% 7.67/1.74       ~ ( (ndr1_0)) | 
% 7.67/1.74       (![X0 : $i]: ( (c2_1 @ X0) | ~ (c1_1 @ X0) |  (c3_1 @ X0)))),
% 7.67/1.74      inference('split', [status(esa)], [zip_derived_cl196])).
% 7.67/1.74  thf(zip_derived_cl520, plain,
% 7.67/1.74      ((![X0 : $i]: ( (c2_1 @ X0) | ~ (c1_1 @ X0) |  (c3_1 @ X0)))
% 7.67/1.74         <= ((![X0 : $i]: ( (c2_1 @ X0) | ~ (c1_1 @ X0) |  (c3_1 @ X0))))),
% 7.67/1.74      inference('split', [status(esa)], [zip_derived_cl143])).
% 7.67/1.74  thf(clause123, conjecture, (~( ( ~( hskp3 ) ) | ( ~( c2_1 @ a216 ) ) ))).
% 7.67/1.74  thf(zf_stmt_37, negated_conjecture, (( ~( hskp3 ) ) | ( ~( c2_1 @ a216 ) )),
% 7.67/1.74    inference('cnf.neg', [status(esa)], [clause123])).
% 7.67/1.74  thf(zip_derived_cl122, plain, ((~ (hskp3) | ~ (c2_1 @ a216))),
% 7.67/1.74      inference('cnf', [status(esa)], [zf_stmt_37])).
% 7.67/1.74  thf(zip_derived_cl451, plain, ((~ (c2_1 @ a216)) <= (~ ( (c2_1 @ a216)))),
% 7.67/1.74      inference('split', [status(esa)], [zip_derived_cl122])).
% 7.67/1.74  thf(zip_derived_cl1901, plain,
% 7.67/1.74      ((( (c3_1 @ a216) | ~ (c1_1 @ a216)))
% 7.67/1.74         <= (~ ( (c2_1 @ a216)) & 
% 7.67/1.74             (![X0 : $i]: ( (c2_1 @ X0) | ~ (c1_1 @ X0) |  (c3_1 @ X0))))),
% 7.67/1.74      inference('s_sup-', [status(thm)], [zip_derived_cl520, zip_derived_cl451])).
% 7.67/1.74  thf('36', plain,
% 7.67/1.74      (( (c3_1 @ a216)) | 
% 7.67/1.74       ~ (![X0 : $i]: ( (c2_1 @ X0) | ~ (c1_1 @ X0) |  (c3_1 @ X0))) | 
% 7.67/1.74       ( (c2_1 @ a216)) | ~ ( (c1_1 @ a216))),
% 7.67/1.74      inference('split', [status(esa)], [zip_derived_cl1901])).
% 7.67/1.74  thf(clause74, conjecture, (~( ( c0_1 @ a226 ) | ( ~( hskp9 ) ) ))).
% 7.67/1.74  thf(zf_stmt_38, negated_conjecture, (( c0_1 @ a226 ) | ( ~( hskp9 ) )),
% 7.67/1.74    inference('cnf.neg', [status(esa)], [clause74])).
% 7.67/1.74  thf(zip_derived_cl73, plain, (( (c0_1 @ a226) | ~ (hskp9))),
% 7.67/1.74      inference('cnf', [status(esa)], [zf_stmt_38])).
% 7.67/1.74  thf('37', plain, (( (c0_1 @ a226)) | ~ ( (hskp9))),
% 7.67/1.74      inference('split', [status(esa)], [zip_derived_cl73])).
% 7.67/1.74  thf(clause112, conjecture, (~( ( ~( hskp9 ) ) | ( ~( c1_1 @ a226 ) ) ))).
% 7.67/1.74  thf(zf_stmt_39, negated_conjecture, (( ~( hskp9 ) ) | ( ~( c1_1 @ a226 ) )),
% 7.67/1.74    inference('cnf.neg', [status(esa)], [clause112])).
% 7.67/1.74  thf(zip_derived_cl111, plain, ((~ (hskp9) | ~ (c1_1 @ a226))),
% 7.67/1.74      inference('cnf', [status(esa)], [zf_stmt_39])).
% 7.67/1.74  thf('38', plain, (~ ( (c1_1 @ a226)) | ~ ( (hskp9))),
% 7.67/1.74      inference('split', [status(esa)], [zip_derived_cl111])).
% 7.67/1.74  thf(clause113, conjecture, (~( ( ~( hskp9 ) ) | ( ~( c2_1 @ a226 ) ) ))).
% 7.67/1.74  thf(zf_stmt_40, negated_conjecture, (( ~( hskp9 ) ) | ( ~( c2_1 @ a226 ) )),
% 7.67/1.74    inference('cnf.neg', [status(esa)], [clause113])).
% 7.67/1.74  thf(zip_derived_cl112, plain, ((~ (hskp9) | ~ (c2_1 @ a226))),
% 7.67/1.74      inference('cnf', [status(esa)], [zf_stmt_40])).
% 7.67/1.74  thf('39', plain, (~ ( (c2_1 @ a226)) | ~ ( (hskp9))),
% 7.67/1.74      inference('split', [status(esa)], [zip_derived_cl112])).
% 7.67/1.74  thf(clause141, conjecture,
% 7.67/1.74    (~( ( hskp19 ) | ( hskp18 ) | ( c2_1 @ U ) | ( c1_1 @ U ) | 
% 7.67/1.74        ( ~( ndr1_0 ) ) | ( ~( c0_1 @ U ) ) ))).
% 7.67/1.74  thf(zf_stmt_41, negated_conjecture,
% 7.67/1.74    (( hskp19 ) | ( hskp18 ) | ( c2_1 @ U ) | ( c1_1 @ U ) | ( ~( ndr1_0 ) ) | 
% 7.67/1.74     ( ~( c0_1 @ U ) )),
% 7.67/1.74    inference('cnf.neg', [status(esa)], [clause141])).
% 7.67/1.74  thf(zip_derived_cl140, plain,
% 7.67/1.74      (![X0 : $i]:
% 7.67/1.74         ( (hskp19)
% 7.67/1.74          |  (hskp18)
% 7.67/1.74          |  (c2_1 @ X0)
% 7.67/1.74          |  (c1_1 @ X0)
% 7.67/1.74          | ~ (ndr1_0)
% 7.67/1.74          | ~ (c0_1 @ X0))),
% 7.67/1.74      inference('cnf', [status(esa)], [zf_stmt_41])).
% 7.67/1.74  thf(zip_derived_cl508, plain,
% 7.67/1.74      ((![X0 : $i]: ( (c2_1 @ X0) |  (c1_1 @ X0) | ~ (c0_1 @ X0)))
% 7.67/1.74         <= ((![X0 : $i]: ( (c2_1 @ X0) |  (c1_1 @ X0) | ~ (c0_1 @ X0))))),
% 7.67/1.74      inference('split', [status(esa)], [zip_derived_cl140])).
% 7.67/1.74  thf(zip_derived_cl353, plain, (( (c0_1 @ a226)) <= (( (c0_1 @ a226)))),
% 7.67/1.74      inference('split', [status(esa)], [zip_derived_cl73])).
% 7.67/1.74  thf(zip_derived_cl1805, plain,
% 7.67/1.74      ((( (c1_1 @ a226) |  (c2_1 @ a226)))
% 7.67/1.74         <= (( (c0_1 @ a226)) & 
% 7.67/1.74             (![X0 : $i]: ( (c2_1 @ X0) |  (c1_1 @ X0) | ~ (c0_1 @ X0))))),
% 7.67/1.74      inference('s_sup+', [status(thm)], [zip_derived_cl508, zip_derived_cl353])).
% 7.67/1.74  thf('40', plain,
% 7.67/1.74      (~ (![X0 : $i]: ( (c2_1 @ X0) |  (c1_1 @ X0) | ~ (c0_1 @ X0))) | 
% 7.67/1.74       ( (c1_1 @ a226)) | ( (c2_1 @ a226)) | ~ ( (c0_1 @ a226))),
% 7.67/1.74      inference('split', [status(esa)], [zip_derived_cl1805])).
% 7.67/1.74  thf(clause182, conjecture,
% 7.67/1.74    (~( ( hskp18 ) | ( c0_1 @ V ) | ( c2_1 @ U ) | ( ~( c3_1 @ V ) ) | 
% 7.67/1.74        ( ~( c1_1 @ V ) ) | ( ~( ndr1_0 ) ) | ( ~( c3_1 @ U ) ) | 
% 7.67/1.74        ( ~( c1_1 @ U ) ) ))).
% 7.67/1.74  thf(zf_stmt_42, negated_conjecture,
% 7.67/1.74    (( hskp18 ) | ( c0_1 @ V ) | ( c2_1 @ U ) | ( ~( c3_1 @ V ) ) | 
% 7.67/1.74     ( ~( c1_1 @ V ) ) | ( ~( ndr1_0 ) ) | ( ~( c3_1 @ U ) ) | 
% 7.67/1.74     ( ~( c1_1 @ U ) )),
% 7.67/1.74    inference('cnf.neg', [status(esa)], [clause182])).
% 7.67/1.74  thf(zip_derived_cl181, plain,
% 7.67/1.74      (![X0 : $i, X1 : $i]:
% 7.67/1.74         ( (hskp18)
% 7.67/1.74          |  (c0_1 @ X0)
% 7.67/1.74          |  (c2_1 @ X1)
% 7.67/1.74          | ~ (c3_1 @ X0)
% 7.67/1.74          | ~ (c1_1 @ X0)
% 7.67/1.74          | ~ (ndr1_0)
% 7.67/1.74          | ~ (c3_1 @ X1)
% 7.67/1.74          | ~ (c1_1 @ X1))),
% 7.67/1.74      inference('cnf', [status(esa)], [zf_stmt_42])).
% 7.67/1.74  thf(zip_derived_cl672, plain,
% 7.67/1.74      ((![X1 : $i]: (~ (c3_1 @ X1) |  (c2_1 @ X1) | ~ (c1_1 @ X1)))
% 7.67/1.74         <= ((![X1 : $i]: (~ (c3_1 @ X1) |  (c2_1 @ X1) | ~ (c1_1 @ X1))))),
% 7.67/1.74      inference('split', [status(esa)], [zip_derived_cl181])).
% 7.67/1.74  thf(zip_derived_cl524, plain,
% 7.67/1.74      ((![X0 : $i]: (~ (c2_1 @ X0) | ~ (c1_1 @ X0) |  (c0_1 @ X0)))
% 7.67/1.74         <= ((![X0 : $i]: (~ (c2_1 @ X0) | ~ (c1_1 @ X0) |  (c0_1 @ X0))))),
% 7.67/1.74      inference('split', [status(esa)], [zip_derived_cl144])).
% 7.67/1.74  thf(clause111, conjecture, (~( ( ~( hskp10 ) ) | ( ~( c0_1 @ a231 ) ) ))).
% 7.67/1.74  thf(zf_stmt_43, negated_conjecture, (( ~( hskp10 ) ) | ( ~( c0_1 @ a231 ) )),
% 7.67/1.74    inference('cnf.neg', [status(esa)], [clause111])).
% 7.67/1.74  thf(zip_derived_cl110, plain, ((~ (hskp10) | ~ (c0_1 @ a231))),
% 7.67/1.74      inference('cnf', [status(esa)], [zf_stmt_43])).
% 7.67/1.74  thf(zip_derived_cl427, plain, ((~ (c0_1 @ a231)) <= (~ ( (c0_1 @ a231)))),
% 7.67/1.74      inference('split', [status(esa)], [zip_derived_cl110])).
% 7.67/1.74  thf(zip_derived_cl1439, plain,
% 7.67/1.74      (((~ (c1_1 @ a231) | ~ (c2_1 @ a231)))
% 7.67/1.74         <= (~ ( (c0_1 @ a231)) & 
% 7.67/1.74             (![X0 : $i]: (~ (c2_1 @ X0) | ~ (c1_1 @ X0) |  (c0_1 @ X0))))),
% 7.67/1.74      inference('s_sup-', [status(thm)], [zip_derived_cl524, zip_derived_cl427])).
% 7.67/1.74  thf(zip_derived_cl1608, plain, ((~ (c2_1 @ a231)) <= (~ ( (c2_1 @ a231)))),
% 7.67/1.74      inference('split', [status(esa)], [zip_derived_cl1439])).
% 7.67/1.74  thf(zip_derived_cl1704, plain,
% 7.67/1.74      (((~ (c1_1 @ a231) | ~ (c3_1 @ a231)))
% 7.67/1.74         <= (~ ( (c2_1 @ a231)) & 
% 7.67/1.74             (![X1 : $i]: (~ (c3_1 @ X1) |  (c2_1 @ X1) | ~ (c1_1 @ X1))))),
% 7.67/1.74      inference('s_sup-', [status(thm)],
% 7.67/1.74                [zip_derived_cl672, zip_derived_cl1608])).
% 7.67/1.74  thf('41', plain,
% 7.67/1.74      (~ (![X1 : $i]: (~ (c3_1 @ X1) |  (c2_1 @ X1) | ~ (c1_1 @ X1))) | 
% 7.67/1.74       ( (c2_1 @ a231)) | ~ ( (c3_1 @ a231)) | ~ ( (c1_1 @ a231))),
% 7.67/1.74      inference('split', [status(esa)], [zip_derived_cl1704])).
% 7.67/1.74  thf(zip_derived_cl589, plain,
% 7.67/1.74      ((![X0 : $i]: ( (c2_1 @ X0) |  (c0_1 @ X0) | ~ (c3_1 @ X0)))
% 7.67/1.74         <= ((![X0 : $i]: ( (c2_1 @ X0) |  (c0_1 @ X0) | ~ (c3_1 @ X0))))),
% 7.67/1.74      inference('split', [status(esa)], [zip_derived_cl160])).
% 7.67/1.74  thf(zip_derived_cl427, plain, ((~ (c0_1 @ a231)) <= (~ ( (c0_1 @ a231)))),
% 7.67/1.74      inference('split', [status(esa)], [zip_derived_cl110])).
% 7.67/1.74  thf(zip_derived_cl2142, plain,
% 7.67/1.74      (((~ (c3_1 @ a231) |  (c2_1 @ a231)))
% 7.67/1.74         <= (~ ( (c0_1 @ a231)) & 
% 7.67/1.74             (![X0 : $i]: ( (c2_1 @ X0) |  (c0_1 @ X0) | ~ (c3_1 @ X0))))),
% 7.67/1.74      inference('s_sup-', [status(thm)], [zip_derived_cl589, zip_derived_cl427])).
% 7.67/1.74  thf('42', plain,
% 7.67/1.74      (( (c2_1 @ a231)) | 
% 7.67/1.74       ~ (![X0 : $i]: ( (c2_1 @ X0) |  (c0_1 @ X0) | ~ (c3_1 @ X0))) | 
% 7.67/1.74       ( (c0_1 @ a231)) | ~ ( (c3_1 @ a231))),
% 7.67/1.74      inference('split', [status(esa)], [zip_derived_cl2142])).
% 7.67/1.74  thf(clause130, conjecture,
% 7.67/1.74    (~( ( hskp0 ) | ( c2_1 @ U ) | ( c1_1 @ U ) | ( c0_1 @ U ) | 
% 7.67/1.74        ( ~( ndr1_0 ) ) ))).
% 7.67/1.74  thf(zf_stmt_44, negated_conjecture,
% 7.67/1.74    (( hskp0 ) | ( c2_1 @ U ) | ( c1_1 @ U ) | ( c0_1 @ U ) | ( ~( ndr1_0 ) )),
% 7.67/1.74    inference('cnf.neg', [status(esa)], [clause130])).
% 7.67/1.74  thf(zip_derived_cl129, plain,
% 7.67/1.74      (![X0 : $i]:
% 7.67/1.74         ( (hskp0) |  (c2_1 @ X0) |  (c1_1 @ X0) |  (c0_1 @ X0) | ~ (ndr1_0))),
% 7.67/1.74      inference('cnf', [status(esa)], [zf_stmt_44])).
% 7.67/1.74  thf(zip_derived_cl465, plain,
% 7.67/1.74      ((![X0 : $i]: ( (c2_1 @ X0) |  (c1_1 @ X0) |  (c0_1 @ X0)))
% 7.67/1.74         <= ((![X0 : $i]: ( (c2_1 @ X0) |  (c1_1 @ X0) |  (c0_1 @ X0))))),
% 7.67/1.74      inference('split', [status(esa)], [zip_derived_cl129])).
% 7.67/1.74  thf(zip_derived_cl427, plain, ((~ (c0_1 @ a231)) <= (~ ( (c0_1 @ a231)))),
% 7.67/1.74      inference('split', [status(esa)], [zip_derived_cl110])).
% 7.67/1.74  thf(zip_derived_cl1052, plain,
% 7.67/1.74      ((( (c1_1 @ a231) |  (c2_1 @ a231)))
% 7.67/1.74         <= (~ ( (c0_1 @ a231)) & 
% 7.67/1.74             (![X0 : $i]: ( (c2_1 @ X0) |  (c1_1 @ X0) |  (c0_1 @ X0))))),
% 7.67/1.74      inference('s_sup-', [status(thm)], [zip_derived_cl465, zip_derived_cl427])).
% 7.67/1.74  thf(zip_derived_cl3182, plain, (( (c2_1 @ a231)) <= (( (c2_1 @ a231)))),
% 7.67/1.74      inference('split', [status(esa)], [zip_derived_cl1052])).
% 7.67/1.74  thf(zip_derived_cl568, plain,
% 7.67/1.74      ((![X0 : $i]: (~ (c2_1 @ X0) | ~ (c1_1 @ X0) | ~ (c3_1 @ X0)))
% 7.67/1.74         <= ((![X0 : $i]: (~ (c2_1 @ X0) | ~ (c1_1 @ X0) | ~ (c3_1 @ X0))))),
% 7.67/1.74      inference('split', [status(esa)], [zip_derived_cl155])).
% 7.67/1.74  thf(zip_derived_cl3186, plain,
% 7.67/1.74      (((~ (c1_1 @ a231) | ~ (c3_1 @ a231)))
% 7.67/1.74         <= ((![X0 : $i]: (~ (c2_1 @ X0) | ~ (c1_1 @ X0) | ~ (c3_1 @ X0))) & 
% 7.67/1.74             ( (c2_1 @ a231)))),
% 7.67/1.74      inference('s_sup-', [status(thm)],
% 7.67/1.74                [zip_derived_cl3182, zip_derived_cl568])).
% 7.67/1.74  thf('43', plain,
% 7.67/1.74      (~ ( (c2_1 @ a231)) | 
% 7.67/1.74       ~ (![X0 : $i]: (~ (c2_1 @ X0) | ~ (c1_1 @ X0) | ~ (c3_1 @ X0))) | 
% 7.67/1.74       ~ ( (c3_1 @ a231)) | ~ ( (c1_1 @ a231))),
% 7.67/1.74      inference('split', [status(esa)], [zip_derived_cl3186])).
% 7.67/1.74  thf(clause152, conjecture,
% 7.67/1.74    (~( ( hskp27 ) | ( hskp3 ) | ( c2_1 @ U ) | ( ~( ndr1_0 ) ) | 
% 7.67/1.74        ( ~( c3_1 @ U ) ) | ( ~( c0_1 @ U ) ) ))).
% 7.67/1.74  thf(zf_stmt_45, negated_conjecture,
% 7.67/1.74    (( hskp27 ) | ( hskp3 ) | ( c2_1 @ U ) | ( ~( ndr1_0 ) ) | 
% 7.67/1.74     ( ~( c3_1 @ U ) ) | ( ~( c0_1 @ U ) )),
% 7.67/1.74    inference('cnf.neg', [status(esa)], [clause152])).
% 7.67/1.74  thf(zip_derived_cl151, plain,
% 7.67/1.74      (![X0 : $i]:
% 7.67/1.74         ( (hskp27)
% 7.67/1.74          |  (hskp3)
% 7.67/1.74          |  (c2_1 @ X0)
% 7.67/1.74          | ~ (ndr1_0)
% 7.67/1.74          | ~ (c3_1 @ X0)
% 7.67/1.74          | ~ (c0_1 @ X0))),
% 7.67/1.74      inference('cnf', [status(esa)], [zf_stmt_45])).
% 7.67/1.74  thf(zip_derived_cl552, plain,
% 7.67/1.74      ((![X0 : $i]: ( (c2_1 @ X0) | ~ (c0_1 @ X0) | ~ (c3_1 @ X0)))
% 7.67/1.74         <= ((![X0 : $i]: ( (c2_1 @ X0) | ~ (c0_1 @ X0) | ~ (c3_1 @ X0))))),
% 7.67/1.74      inference('split', [status(esa)], [zip_derived_cl151])).
% 7.67/1.74  thf(clause49, conjecture, (~( ( c0_1 @ a234 ) | ( ~( hskp26 ) ) ))).
% 7.67/1.74  thf(zf_stmt_46, negated_conjecture, (( c0_1 @ a234 ) | ( ~( hskp26 ) )),
% 7.67/1.74    inference('cnf.neg', [status(esa)], [clause49])).
% 7.67/1.74  thf(zip_derived_cl48, plain, (( (c0_1 @ a234) | ~ (hskp26))),
% 7.67/1.74      inference('cnf', [status(esa)], [zf_stmt_46])).
% 7.67/1.74  thf(zip_derived_cl303, plain, (( (c0_1 @ a234)) <= (( (c0_1 @ a234)))),
% 7.67/1.74      inference('split', [status(esa)], [zip_derived_cl48])).
% 7.67/1.74  thf(zip_derived_cl1094, plain,
% 7.67/1.74      (((~ (c3_1 @ a234) |  (c2_1 @ a234)))
% 7.67/1.74         <= (( (c0_1 @ a234)) & 
% 7.67/1.74             (![X0 : $i]: ( (c2_1 @ X0) | ~ (c0_1 @ X0) | ~ (c3_1 @ X0))))),
% 7.67/1.74      inference('s_sup+', [status(thm)], [zip_derived_cl552, zip_derived_cl303])).
% 7.67/1.74  thf(zip_derived_cl3942, plain, (( (c2_1 @ a234)) <= (( (c2_1 @ a234)))),
% 7.67/1.74      inference('split', [status(esa)], [zip_derived_cl1094])).
% 7.67/1.74  thf(zip_derived_cl568, plain,
% 7.67/1.74      ((![X0 : $i]: (~ (c2_1 @ X0) | ~ (c1_1 @ X0) | ~ (c3_1 @ X0)))
% 7.67/1.74         <= ((![X0 : $i]: (~ (c2_1 @ X0) | ~ (c1_1 @ X0) | ~ (c3_1 @ X0))))),
% 7.67/1.74      inference('split', [status(esa)], [zip_derived_cl155])).
% 7.67/1.74  thf(zip_derived_cl3946, plain,
% 7.67/1.74      (((~ (c1_1 @ a234) | ~ (c3_1 @ a234)))
% 7.67/1.74         <= ((![X0 : $i]: (~ (c2_1 @ X0) | ~ (c1_1 @ X0) | ~ (c3_1 @ X0))) & 
% 7.67/1.74             ( (c2_1 @ a234)))),
% 7.67/1.74      inference('s_sup-', [status(thm)],
% 7.67/1.74                [zip_derived_cl3942, zip_derived_cl568])).
% 7.67/1.74  thf('44', plain,
% 7.67/1.74      (~ ( (c2_1 @ a234)) | ~ ( (c3_1 @ a234)) | 
% 7.67/1.74       ~ (![X0 : $i]: (~ (c2_1 @ X0) | ~ (c1_1 @ X0) | ~ (c3_1 @ X0))) | 
% 7.67/1.74       ~ ( (c1_1 @ a234))),
% 7.67/1.74      inference('split', [status(esa)], [zip_derived_cl3946])).
% 7.67/1.74  thf('45', plain,
% 7.67/1.74      (( (hskp3)) | ( (hskp27)) | ~ ( (ndr1_0)) | 
% 7.67/1.74       (![X0 : $i]: ( (c2_1 @ X0) | ~ (c0_1 @ X0) | ~ (c3_1 @ X0)))),
% 7.67/1.74      inference('split', [status(esa)], [zip_derived_cl151])).
% 7.67/1.74  thf('46', plain,
% 7.67/1.74      (~ (![X0 : $i]: ( (c2_1 @ X0) | ~ (c0_1 @ X0) | ~ (c3_1 @ X0))) | 
% 7.67/1.74       ~ ( (c0_1 @ a234)) | ~ ( (c3_1 @ a234)) | ( (c2_1 @ a234))),
% 7.67/1.74      inference('split', [status(esa)], [zip_derived_cl1094])).
% 7.67/1.74  thf(clause82, conjecture, (~( ( c1_1 @ a216 ) | ( ~( hskp3 ) ) ))).
% 7.67/1.74  thf(zf_stmt_47, negated_conjecture, (( c1_1 @ a216 ) | ( ~( hskp3 ) )),
% 7.67/1.74    inference('cnf.neg', [status(esa)], [clause82])).
% 7.67/1.74  thf(zip_derived_cl81, plain, (( (c1_1 @ a216) | ~ (hskp3))),
% 7.67/1.74      inference('cnf', [status(esa)], [zf_stmt_47])).
% 7.67/1.74  thf('47', plain, (( (c1_1 @ a216)) | ~ ( (hskp3))),
% 7.67/1.74      inference('split', [status(esa)], [zip_derived_cl81])).
% 7.67/1.74  thf('48', plain, (~ ( (c2_1 @ a216)) | ~ ( (hskp3))),
% 7.67/1.74      inference('split', [status(esa)], [zip_derived_cl122])).
% 7.67/1.74  thf(zip_derived_cl552, plain,
% 7.67/1.74      ((![X0 : $i]: ( (c2_1 @ X0) | ~ (c0_1 @ X0) | ~ (c3_1 @ X0)))
% 7.67/1.74         <= ((![X0 : $i]: ( (c2_1 @ X0) | ~ (c0_1 @ X0) | ~ (c3_1 @ X0))))),
% 7.67/1.74      inference('split', [status(esa)], [zip_derived_cl151])).
% 7.67/1.74  thf(zip_derived_cl367, plain, (( (c0_1 @ a216)) <= (( (c0_1 @ a216)))),
% 7.67/1.74      inference('split', [status(esa)], [zip_derived_cl80])).
% 7.67/1.74  thf(zip_derived_cl1102, plain,
% 7.67/1.74      (((~ (c3_1 @ a216) |  (c2_1 @ a216)))
% 7.67/1.74         <= (( (c0_1 @ a216)) & 
% 7.67/1.74             (![X0 : $i]: ( (c2_1 @ X0) | ~ (c0_1 @ X0) | ~ (c3_1 @ X0))))),
% 7.67/1.74      inference('s_sup+', [status(thm)], [zip_derived_cl552, zip_derived_cl367])).
% 7.67/1.74  thf('49', plain,
% 7.67/1.74      (~ (![X0 : $i]: ( (c2_1 @ X0) | ~ (c0_1 @ X0) | ~ (c3_1 @ X0))) | 
% 7.67/1.74       ~ ( (c3_1 @ a216)) | ( (c2_1 @ a216)) | ~ ( (c0_1 @ a216))),
% 7.67/1.74      inference('split', [status(esa)], [zip_derived_cl1102])).
% 7.67/1.74  thf(clause160, conjecture,
% 7.67/1.74    (~( ( hskp8 ) | ( c2_1 @ V ) | ( c0_1 @ V ) | ( c3_1 @ U ) | 
% 7.67/1.74        ( c1_1 @ U ) | ( ~( c1_1 @ V ) ) | ( ~( ndr1_0 ) ) | ( ~( c0_1 @ U ) ) ))).
% 7.67/1.74  thf(zf_stmt_48, negated_conjecture,
% 7.67/1.74    (( hskp8 ) | ( c2_1 @ V ) | ( c0_1 @ V ) | ( c3_1 @ U ) | ( c1_1 @ U ) | 
% 7.67/1.74     ( ~( c1_1 @ V ) ) | ( ~( ndr1_0 ) ) | ( ~( c0_1 @ U ) )),
% 7.67/1.74    inference('cnf.neg', [status(esa)], [clause160])).
% 7.67/1.74  thf(zip_derived_cl159, plain,
% 7.67/1.74      (![X0 : $i, X1 : $i]:
% 7.67/1.74         ( (hskp8)
% 7.67/1.74          |  (c2_1 @ X0)
% 7.67/1.74          |  (c0_1 @ X0)
% 7.67/1.74          |  (c3_1 @ X1)
% 7.67/1.74          |  (c1_1 @ X1)
% 7.67/1.74          | ~ (c1_1 @ X0)
% 7.67/1.74          | ~ (ndr1_0)
% 7.67/1.74          | ~ (c0_1 @ X1))),
% 7.67/1.74      inference('cnf', [status(esa)], [zf_stmt_48])).
% 7.67/1.74  thf(zip_derived_cl584, plain,
% 7.67/1.74      ((![X1 : $i]: ( (c3_1 @ X1) | ~ (c0_1 @ X1) |  (c1_1 @ X1)))
% 7.67/1.74         <= ((![X1 : $i]: ( (c3_1 @ X1) | ~ (c0_1 @ X1) |  (c1_1 @ X1))))),
% 7.67/1.74      inference('split', [status(esa)], [zip_derived_cl159])).
% 7.67/1.74  thf(zip_derived_cl325, plain, (( (c0_1 @ a252)) <= (( (c0_1 @ a252)))),
% 7.67/1.74      inference('split', [status(esa)], [zip_derived_cl59])).
% 7.67/1.74  thf(zip_derived_cl1993, plain,
% 7.67/1.74      ((( (c1_1 @ a252) |  (c3_1 @ a252)))
% 7.67/1.74         <= (( (c0_1 @ a252)) & 
% 7.67/1.74             (![X1 : $i]: ( (c3_1 @ X1) | ~ (c0_1 @ X1) |  (c1_1 @ X1))))),
% 7.67/1.74      inference('s_sup+', [status(thm)], [zip_derived_cl584, zip_derived_cl325])).
% 7.67/1.74  thf('50', plain,
% 7.67/1.74      (( (c3_1 @ a252)) | 
% 7.67/1.74       ~ (![X1 : $i]: ( (c3_1 @ X1) | ~ (c0_1 @ X1) |  (c1_1 @ X1))) | 
% 7.67/1.74       ( (c1_1 @ a252)) | ~ ( (c0_1 @ a252))),
% 7.67/1.74      inference('split', [status(esa)], [zip_derived_cl1993])).
% 7.67/1.74  thf(clause53, conjecture, (~( ( c3_1 @ a320 ) | ( ~( hskp25 ) ) ))).
% 7.67/1.74  thf(zf_stmt_49, negated_conjecture, (( c3_1 @ a320 ) | ( ~( hskp25 ) )),
% 7.67/1.74    inference('cnf.neg', [status(esa)], [clause53])).
% 7.67/1.74  thf(zip_derived_cl52, plain, (( (c3_1 @ a320) | ~ (hskp25))),
% 7.67/1.74      inference('cnf', [status(esa)], [zf_stmt_49])).
% 7.67/1.74  thf('51', plain, (( (c3_1 @ a320)) | ~ ( (hskp25))),
% 7.67/1.74      inference('split', [status(esa)], [zip_derived_cl52])).
% 7.67/1.74  thf(clause150, conjecture,
% 7.67/1.74    (~( ( hskp19 ) | ( hskp1 ) | ( c1_1 @ U ) | ( ~( ndr1_0 ) ) | 
% 7.67/1.74        ( ~( c3_1 @ U ) ) | ( ~( c0_1 @ U ) ) ))).
% 7.67/1.74  thf(zf_stmt_50, negated_conjecture,
% 7.67/1.74    (( hskp19 ) | ( hskp1 ) | ( c1_1 @ U ) | ( ~( ndr1_0 ) ) | 
% 7.67/1.74     ( ~( c3_1 @ U ) ) | ( ~( c0_1 @ U ) )),
% 7.67/1.74    inference('cnf.neg', [status(esa)], [clause150])).
% 7.67/1.74  thf(zip_derived_cl149, plain,
% 7.67/1.74      (![X0 : $i]:
% 7.67/1.74         ( (hskp19)
% 7.67/1.74          |  (hskp1)
% 7.67/1.74          |  (c1_1 @ X0)
% 7.67/1.74          | ~ (ndr1_0)
% 7.67/1.74          | ~ (c3_1 @ X0)
% 7.67/1.74          | ~ (c0_1 @ X0))),
% 7.67/1.74      inference('cnf', [status(esa)], [zf_stmt_50])).
% 7.67/1.74  thf('52', plain,
% 7.67/1.74      (( (hskp19)) | ( (hskp1)) | 
% 7.67/1.74       (![X0 : $i]: ( (c1_1 @ X0) | ~ (c0_1 @ X0) | ~ (c3_1 @ X0))) | 
% 7.67/1.74       ~ ( (ndr1_0))),
% 7.67/1.74      inference('split', [status(esa)], [zip_derived_cl149])).
% 7.67/1.74  thf(clause2, conjecture, (~( ( hskp19 ) | ( hskp25 ) ))).
% 7.67/1.74  thf(zf_stmt_51, negated_conjecture, (( hskp19 ) | ( hskp25 )),
% 7.67/1.74    inference('cnf.neg', [status(esa)], [clause2])).
% 7.67/1.74  thf(zip_derived_cl1, plain, (( (hskp19) |  (hskp25))),
% 7.67/1.74      inference('cnf', [status(esa)], [zf_stmt_51])).
% 7.67/1.74  thf('53', plain, (( (hskp25)) | ( (hskp19))),
% 7.67/1.74      inference('split', [status(esa)], [zip_derived_cl1])).
% 7.67/1.74  thf(zip_derived_cl524, plain,
% 7.67/1.74      ((![X0 : $i]: (~ (c2_1 @ X0) | ~ (c1_1 @ X0) |  (c0_1 @ X0)))
% 7.67/1.74         <= ((![X0 : $i]: (~ (c2_1 @ X0) | ~ (c1_1 @ X0) |  (c0_1 @ X0))))),
% 7.67/1.74      inference('split', [status(esa)], [zip_derived_cl144])).
% 7.67/1.74  thf(clause96, conjecture, (~( ( ~( hskp19 ) ) | ( ~( c0_1 @ a255 ) ) ))).
% 7.67/1.74  thf(zf_stmt_52, negated_conjecture, (( ~( hskp19 ) ) | ( ~( c0_1 @ a255 ) )),
% 7.67/1.74    inference('cnf.neg', [status(esa)], [clause96])).
% 7.67/1.74  thf(zip_derived_cl95, plain, ((~ (hskp19) | ~ (c0_1 @ a255))),
% 7.67/1.74      inference('cnf', [status(esa)], [zf_stmt_52])).
% 7.67/1.74  thf(zip_derived_cl397, plain, ((~ (c0_1 @ a255)) <= (~ ( (c0_1 @ a255)))),
% 7.67/1.74      inference('split', [status(esa)], [zip_derived_cl95])).
% 7.67/1.74  thf(zip_derived_cl1445, plain,
% 7.67/1.74      (((~ (c1_1 @ a255) | ~ (c2_1 @ a255)))
% 7.67/1.74         <= (~ ( (c0_1 @ a255)) & 
% 7.67/1.74             (![X0 : $i]: (~ (c2_1 @ X0) | ~ (c1_1 @ X0) |  (c0_1 @ X0))))),
% 7.67/1.74      inference('s_sup-', [status(thm)], [zip_derived_cl524, zip_derived_cl397])).
% 7.67/1.74  thf(zip_derived_cl1639, plain, ((~ (c2_1 @ a255)) <= (~ ( (c2_1 @ a255)))),
% 7.67/1.74      inference('split', [status(esa)], [zip_derived_cl1445])).
% 7.67/1.74  thf(clause134, conjecture,
% 7.67/1.74    (~( ( hskp4 ) | ( hskp20 ) | ( c3_1 @ U ) | ( c2_1 @ U ) | ( c1_1 @ U ) | 
% 7.67/1.74        ( ~( ndr1_0 ) ) ))).
% 7.67/1.74  thf(zf_stmt_53, negated_conjecture,
% 7.67/1.74    (( hskp4 ) | ( hskp20 ) | ( c3_1 @ U ) | ( c2_1 @ U ) | ( c1_1 @ U ) | 
% 7.67/1.74     ( ~( ndr1_0 ) )),
% 7.67/1.74    inference('cnf.neg', [status(esa)], [clause134])).
% 7.67/1.74  thf(zip_derived_cl133, plain,
% 7.67/1.74      (![X0 : $i]:
% 7.67/1.74         ( (hskp4)
% 7.67/1.74          |  (hskp20)
% 7.67/1.74          |  (c3_1 @ X0)
% 7.67/1.74          |  (c2_1 @ X0)
% 7.67/1.74          |  (c1_1 @ X0)
% 7.67/1.74          | ~ (ndr1_0))),
% 7.67/1.74      inference('cnf', [status(esa)], [zf_stmt_53])).
% 7.67/1.74  thf(zip_derived_cl480, plain,
% 7.67/1.74      ((![X0 : $i]: ( (c2_1 @ X0) |  (c1_1 @ X0) |  (c3_1 @ X0)))
% 7.67/1.74         <= ((![X0 : $i]: ( (c2_1 @ X0) |  (c1_1 @ X0) |  (c3_1 @ X0))))),
% 7.67/1.74      inference('split', [status(esa)], [zip_derived_cl133])).
% 7.67/1.74  thf(zip_derived_cl1641, plain,
% 7.67/1.74      ((( (c1_1 @ a255) |  (c3_1 @ a255)))
% 7.67/1.74         <= (~ ( (c2_1 @ a255)) & 
% 7.67/1.74             (![X0 : $i]: ( (c2_1 @ X0) |  (c1_1 @ X0) |  (c3_1 @ X0))))),
% 7.67/1.74      inference('s_sup+', [status(thm)],
% 7.67/1.74                [zip_derived_cl1639, zip_derived_cl480])).
% 7.67/1.74  thf('54', plain,
% 7.67/1.74      (( (c2_1 @ a255)) | ( (c1_1 @ a255)) | 
% 7.67/1.74       ~ (![X0 : $i]: ( (c2_1 @ X0) |  (c1_1 @ X0) |  (c3_1 @ X0))) | 
% 7.67/1.74       ( (c3_1 @ a255))),
% 7.67/1.74      inference('split', [status(esa)], [zip_derived_cl1641])).
% 7.67/1.74  thf('55', plain, (~ ( (c0_1 @ a255)) | ~ ( (hskp19))),
% 7.67/1.74      inference('split', [status(esa)], [zip_derived_cl95])).
% 7.67/1.74  thf(clause97, conjecture, (~( ( ~( hskp19 ) ) | ( ~( c1_1 @ a255 ) ) ))).
% 7.67/1.74  thf(zf_stmt_54, negated_conjecture, (( ~( hskp19 ) ) | ( ~( c1_1 @ a255 ) )),
% 7.67/1.74    inference('cnf.neg', [status(esa)], [clause97])).
% 7.67/1.74  thf(zip_derived_cl96, plain, ((~ (hskp19) | ~ (c1_1 @ a255))),
% 7.67/1.74      inference('cnf', [status(esa)], [zf_stmt_54])).
% 7.67/1.74  thf('56', plain, (~ ( (c1_1 @ a255)) | ~ ( (hskp19))),
% 7.67/1.74      inference('split', [status(esa)], [zip_derived_cl96])).
% 7.67/1.74  thf(clause98, conjecture, (~( ( ~( hskp19 ) ) | ( ~( c3_1 @ a255 ) ) ))).
% 7.67/1.74  thf(zf_stmt_55, negated_conjecture, (( ~( hskp19 ) ) | ( ~( c3_1 @ a255 ) )),
% 7.67/1.74    inference('cnf.neg', [status(esa)], [clause98])).
% 7.67/1.74  thf(zip_derived_cl97, plain, ((~ (hskp19) | ~ (c3_1 @ a255))),
% 7.67/1.74      inference('cnf', [status(esa)], [zf_stmt_55])).
% 7.67/1.74  thf('57', plain, (~ ( (c3_1 @ a255)) | ~ ( (hskp19))),
% 7.67/1.74      inference('split', [status(esa)], [zip_derived_cl97])).
% 7.67/1.74  thf(clause169, conjecture,
% 7.67/1.74    (~( ( hskp10 ) | ( c3_1 @ V ) | ( c0_1 @ V ) | ( c1_1 @ U ) | 
% 7.67/1.74        ( ~( c2_1 @ V ) ) | ( ~( ndr1_0 ) ) | ( ~( c2_1 @ U ) ) | 
% 7.67/1.74        ( ~( c0_1 @ U ) ) ))).
% 7.67/1.74  thf(zf_stmt_56, negated_conjecture,
% 7.67/1.74    (( hskp10 ) | ( c3_1 @ V ) | ( c0_1 @ V ) | ( c1_1 @ U ) | 
% 7.67/1.74     ( ~( c2_1 @ V ) ) | ( ~( ndr1_0 ) ) | ( ~( c2_1 @ U ) ) | 
% 7.67/1.74     ( ~( c0_1 @ U ) )),
% 7.67/1.74    inference('cnf.neg', [status(esa)], [clause169])).
% 7.67/1.74  thf(zip_derived_cl168, plain,
% 7.67/1.74      (![X0 : $i, X1 : $i]:
% 7.67/1.74         ( (hskp10)
% 7.67/1.74          |  (c3_1 @ X0)
% 7.67/1.74          |  (c0_1 @ X0)
% 7.67/1.74          |  (c1_1 @ X1)
% 7.67/1.74          | ~ (c2_1 @ X0)
% 7.67/1.74          | ~ (ndr1_0)
% 7.67/1.74          | ~ (c2_1 @ X1)
% 7.67/1.74          | ~ (c0_1 @ X1))),
% 7.67/1.74      inference('cnf', [status(esa)], [zf_stmt_56])).
% 7.67/1.74  thf(zip_derived_cl621, plain,
% 7.67/1.74      ((![X0 : $i]: (~ (c2_1 @ X0) |  (c0_1 @ X0) |  (c3_1 @ X0)))
% 7.67/1.74         <= ((![X0 : $i]: (~ (c2_1 @ X0) |  (c0_1 @ X0) |  (c3_1 @ X0))))),
% 7.67/1.74      inference('split', [status(esa)], [zip_derived_cl168])).
% 7.67/1.74  thf(zip_derived_cl397, plain, ((~ (c0_1 @ a255)) <= (~ ( (c0_1 @ a255)))),
% 7.67/1.74      inference('split', [status(esa)], [zip_derived_cl95])).
% 7.67/1.74  thf(zip_derived_cl2254, plain,
% 7.67/1.74      ((( (c3_1 @ a255) | ~ (c2_1 @ a255)))
% 7.67/1.74         <= (~ ( (c0_1 @ a255)) & 
% 7.67/1.74             (![X0 : $i]: (~ (c2_1 @ X0) |  (c0_1 @ X0) |  (c3_1 @ X0))))),
% 7.67/1.74      inference('s_sup-', [status(thm)], [zip_derived_cl621, zip_derived_cl397])).
% 7.67/1.74  thf('58', plain,
% 7.67/1.74      (~ ( (c2_1 @ a255)) | ( (c0_1 @ a255)) | 
% 7.67/1.74       ~ (![X0 : $i]: (~ (c2_1 @ X0) |  (c0_1 @ X0) |  (c3_1 @ X0))) | 
% 7.67/1.74       ( (c3_1 @ a255))),
% 7.67/1.74      inference('split', [status(esa)], [zip_derived_cl2254])).
% 7.67/1.74  thf('59', plain,
% 7.67/1.74      (( (hskp1)) | 
% 7.67/1.74       (![X0 : $i]: ( (c1_1 @ X0) |  (c0_1 @ X0) | ~ (c3_1 @ X0))) | 
% 7.67/1.74       ( (hskp8)) | ~ ( (ndr1_0))),
% 7.67/1.74      inference('split', [status(esa)], [zip_derived_cl138])).
% 7.67/1.74  thf(clause84, conjecture, (~( ( c2_1 @ a214 ) | ( ~( hskp1 ) ) ))).
% 7.67/1.74  thf(zf_stmt_57, negated_conjecture, (( c2_1 @ a214 ) | ( ~( hskp1 ) )),
% 7.67/1.74    inference('cnf.neg', [status(esa)], [clause84])).
% 7.67/1.74  thf(zip_derived_cl83, plain, (( (c2_1 @ a214) | ~ (hskp1))),
% 7.67/1.74      inference('cnf', [status(esa)], [zf_stmt_57])).
% 7.67/1.74  thf('60', plain, (( (c2_1 @ a214)) | ~ ( (hskp1))),
% 7.67/1.74      inference('split', [status(esa)], [zip_derived_cl83])).
% 7.67/1.74  thf(clause126, conjecture, (~( ( ~( hskp1 ) ) | ( ~( c0_1 @ a214 ) ) ))).
% 7.67/1.74  thf(zf_stmt_58, negated_conjecture, (( ~( hskp1 ) ) | ( ~( c0_1 @ a214 ) )),
% 7.67/1.74    inference('cnf.neg', [status(esa)], [clause126])).
% 7.67/1.74  thf(zip_derived_cl125, plain, ((~ (hskp1) | ~ (c0_1 @ a214))),
% 7.67/1.74      inference('cnf', [status(esa)], [zf_stmt_58])).
% 7.67/1.74  thf('61', plain, (~ ( (c0_1 @ a214)) | ~ ( (hskp1))),
% 7.67/1.74      inference('split', [status(esa)], [zip_derived_cl125])).
% 7.67/1.74  thf(clause127, conjecture, (~( ( ~( hskp1 ) ) | ( ~( c3_1 @ a214 ) ) ))).
% 7.67/1.74  thf(zf_stmt_59, negated_conjecture, (( ~( hskp1 ) ) | ( ~( c3_1 @ a214 ) )),
% 7.67/1.74    inference('cnf.neg', [status(esa)], [clause127])).
% 7.67/1.74  thf(zip_derived_cl126, plain, ((~ (hskp1) | ~ (c3_1 @ a214))),
% 7.67/1.74      inference('cnf', [status(esa)], [zf_stmt_59])).
% 7.67/1.74  thf('62', plain, (~ ( (c3_1 @ a214)) | ~ ( (hskp1))),
% 7.67/1.74      inference('split', [status(esa)], [zip_derived_cl126])).
% 7.67/1.74  thf(zip_derived_cl621, plain,
% 7.67/1.74      ((![X0 : $i]: (~ (c2_1 @ X0) |  (c0_1 @ X0) |  (c3_1 @ X0)))
% 7.67/1.74         <= ((![X0 : $i]: (~ (c2_1 @ X0) |  (c0_1 @ X0) |  (c3_1 @ X0))))),
% 7.67/1.74      inference('split', [status(esa)], [zip_derived_cl168])).
% 7.67/1.74  thf(zip_derived_cl457, plain, ((~ (c0_1 @ a214)) <= (~ ( (c0_1 @ a214)))),
% 7.67/1.74      inference('split', [status(esa)], [zip_derived_cl125])).
% 7.67/1.74  thf(zip_derived_cl2252, plain,
% 7.67/1.74      ((( (c3_1 @ a214) | ~ (c2_1 @ a214)))
% 7.67/1.74         <= (~ ( (c0_1 @ a214)) & 
% 7.67/1.74             (![X0 : $i]: (~ (c2_1 @ X0) |  (c0_1 @ X0) |  (c3_1 @ X0))))),
% 7.67/1.74      inference('s_sup-', [status(thm)], [zip_derived_cl621, zip_derived_cl457])).
% 7.67/1.74  thf('63', plain,
% 7.67/1.74      (~ (![X0 : $i]: (~ (c2_1 @ X0) |  (c0_1 @ X0) |  (c3_1 @ X0))) | 
% 7.67/1.74       ~ ( (c2_1 @ a214)) | ( (c0_1 @ a214)) | ( (c3_1 @ a214))),
% 7.67/1.74      inference('split', [status(esa)], [zip_derived_cl2252])).
% 7.67/1.74  thf(clause75, conjecture, (~( ( c3_1 @ a225 ) | ( ~( hskp8 ) ) ))).
% 7.67/1.74  thf(zf_stmt_60, negated_conjecture, (( c3_1 @ a225 ) | ( ~( hskp8 ) )),
% 7.67/1.74    inference('cnf.neg', [status(esa)], [clause75])).
% 7.67/1.74  thf(zip_derived_cl74, plain, (( (c3_1 @ a225) | ~ (hskp8))),
% 7.67/1.74      inference('cnf', [status(esa)], [zf_stmt_60])).
% 7.67/1.74  thf('64', plain, (( (c3_1 @ a225)) | ~ ( (hskp8))),
% 7.67/1.74      inference('split', [status(esa)], [zip_derived_cl74])).
% 7.67/1.74  thf(clause114, conjecture, (~( ( ~( hskp8 ) ) | ( ~( c0_1 @ a225 ) ) ))).
% 7.67/1.74  thf(zf_stmt_61, negated_conjecture, (( ~( hskp8 ) ) | ( ~( c0_1 @ a225 ) )),
% 7.67/1.74    inference('cnf.neg', [status(esa)], [clause114])).
% 7.67/1.74  thf(zip_derived_cl113, plain, ((~ (hskp8) | ~ (c0_1 @ a225))),
% 7.67/1.74      inference('cnf', [status(esa)], [zf_stmt_61])).
% 7.67/1.74  thf('65', plain, (~ ( (c0_1 @ a225)) | ~ ( (hskp8))),
% 7.67/1.74      inference('split', [status(esa)], [zip_derived_cl113])).
% 7.67/1.74  thf(clause115, conjecture, (~( ( ~( hskp8 ) ) | ( ~( c2_1 @ a225 ) ) ))).
% 7.67/1.74  thf(zf_stmt_62, negated_conjecture, (( ~( hskp8 ) ) | ( ~( c2_1 @ a225 ) )),
% 7.67/1.74    inference('cnf.neg', [status(esa)], [clause115])).
% 7.67/1.74  thf(zip_derived_cl114, plain, ((~ (hskp8) | ~ (c2_1 @ a225))),
% 7.67/1.74      inference('cnf', [status(esa)], [zf_stmt_62])).
% 7.67/1.74  thf('66', plain, (~ ( (c2_1 @ a225)) | ~ ( (hskp8))),
% 7.67/1.74      inference('split', [status(esa)], [zip_derived_cl114])).
% 7.67/1.74  thf(zip_derived_cl589, plain,
% 7.67/1.74      ((![X0 : $i]: ( (c2_1 @ X0) |  (c0_1 @ X0) | ~ (c3_1 @ X0)))
% 7.67/1.74         <= ((![X0 : $i]: ( (c2_1 @ X0) |  (c0_1 @ X0) | ~ (c3_1 @ X0))))),
% 7.67/1.74      inference('split', [status(esa)], [zip_derived_cl160])).
% 7.67/1.74  thf(zip_derived_cl433, plain, ((~ (c0_1 @ a225)) <= (~ ( (c0_1 @ a225)))),
% 7.67/1.74      inference('split', [status(esa)], [zip_derived_cl113])).
% 7.67/1.74  thf(zip_derived_cl2143, plain,
% 7.67/1.74      (((~ (c3_1 @ a225) |  (c2_1 @ a225)))
% 7.67/1.74         <= (~ ( (c0_1 @ a225)) & 
% 7.67/1.74             (![X0 : $i]: ( (c2_1 @ X0) |  (c0_1 @ X0) | ~ (c3_1 @ X0))))),
% 7.67/1.74      inference('s_sup-', [status(thm)], [zip_derived_cl589, zip_derived_cl433])).
% 7.67/1.74  thf('67', plain,
% 7.67/1.74      (~ ( (c3_1 @ a225)) | ( (c0_1 @ a225)) | 
% 7.67/1.74       ~ (![X0 : $i]: ( (c2_1 @ X0) |  (c0_1 @ X0) | ~ (c3_1 @ X0))) | 
% 7.67/1.74       ( (c2_1 @ a225))),
% 7.67/1.74      inference('split', [status(esa)], [zip_derived_cl2143])).
% 7.67/1.74  thf(clause165, conjecture,
% 7.67/1.74    (~( ( hskp26 ) | ( c2_1 @ V ) | ( c0_1 @ V ) | ( c3_1 @ U ) | 
% 7.67/1.74        ( ~( c3_1 @ V ) ) | ( ~( ndr1_0 ) ) | ( ~( c2_1 @ U ) ) | 
% 7.67/1.74        ( ~( c1_1 @ U ) ) ))).
% 7.67/1.74  thf(zf_stmt_63, negated_conjecture,
% 7.67/1.74    (( hskp26 ) | ( c2_1 @ V ) | ( c0_1 @ V ) | ( c3_1 @ U ) | 
% 7.67/1.74     ( ~( c3_1 @ V ) ) | ( ~( ndr1_0 ) ) | ( ~( c2_1 @ U ) ) | 
% 7.67/1.74     ( ~( c1_1 @ U ) )),
% 7.67/1.74    inference('cnf.neg', [status(esa)], [clause165])).
% 7.67/1.74  thf(zip_derived_cl164, plain,
% 7.67/1.74      (![X0 : $i, X1 : $i]:
% 7.67/1.74         ( (hskp26)
% 7.67/1.74          |  (c2_1 @ X0)
% 7.67/1.74          |  (c0_1 @ X0)
% 7.67/1.74          |  (c3_1 @ X1)
% 7.67/1.74          | ~ (c3_1 @ X0)
% 7.67/1.74          | ~ (ndr1_0)
% 7.67/1.74          | ~ (c2_1 @ X1)
% 7.67/1.74          | ~ (c1_1 @ X1))),
% 7.67/1.74      inference('cnf', [status(esa)], [zf_stmt_63])).
% 7.67/1.74  thf('68', plain,
% 7.67/1.74      (( (hskp26)) | 
% 7.67/1.74       (![X1 : $i]: ( (c3_1 @ X1) | ~ (c2_1 @ X1) | ~ (c1_1 @ X1))) | 
% 7.67/1.74       ~ ( (ndr1_0)) | 
% 7.67/1.74       (![X0 : $i]: ( (c2_1 @ X0) |  (c0_1 @ X0) | ~ (c3_1 @ X0)))),
% 7.67/1.74      inference('split', [status(esa)], [zip_derived_cl164])).
% 7.67/1.74  thf(zip_derived_cl1500, plain,
% 7.67/1.74      ((![X0 : $i]: (~ (c1_1 @ X0) | ~ (c3_1 @ X0)))
% 7.67/1.74         <= ((![X0 : $i]: (~ (c1_1 @ X0) |  (c0_1 @ X0) | ~ (c3_1 @ X0))) & 
% 7.67/1.74             (![X0 : $i]: (~ (c1_1 @ X0) | ~ (c0_1 @ X0) | ~ (c3_1 @ X0))))),
% 7.67/1.74      inference('simplify', [status(thm)], [zip_derived_cl1492])).
% 7.67/1.74  thf(clause50, conjecture, (~( ( c1_1 @ a234 ) | ( ~( hskp26 ) ) ))).
% 7.67/1.74  thf(zf_stmt_64, negated_conjecture, (( c1_1 @ a234 ) | ( ~( hskp26 ) )),
% 7.67/1.74    inference('cnf.neg', [status(esa)], [clause50])).
% 7.67/1.74  thf(zip_derived_cl49, plain, (( (c1_1 @ a234) | ~ (hskp26))),
% 7.67/1.74      inference('cnf', [status(esa)], [zf_stmt_64])).
% 7.67/1.74  thf(zip_derived_cl305, plain, (( (c1_1 @ a234)) <= (( (c1_1 @ a234)))),
% 7.67/1.74      inference('split', [status(esa)], [zip_derived_cl49])).
% 7.67/1.74  thf(zip_derived_cl2352, plain,
% 7.67/1.74      ((~ (c3_1 @ a234))
% 7.67/1.74         <= (( (c1_1 @ a234)) & 
% 7.67/1.74             (![X0 : $i]: (~ (c1_1 @ X0) |  (c0_1 @ X0) | ~ (c3_1 @ X0))) & 
% 7.67/1.74             (![X0 : $i]: (~ (c1_1 @ X0) | ~ (c0_1 @ X0) | ~ (c3_1 @ X0))))),
% 7.67/1.74      inference('s_sup+', [status(thm)],
% 7.67/1.74                [zip_derived_cl1500, zip_derived_cl305])).
% 7.67/1.74  thf(clause51, conjecture, (~( ( c3_1 @ a234 ) | ( ~( hskp26 ) ) ))).
% 7.67/1.74  thf(zf_stmt_65, negated_conjecture, (( c3_1 @ a234 ) | ( ~( hskp26 ) )),
% 7.67/1.74    inference('cnf.neg', [status(esa)], [clause51])).
% 7.67/1.74  thf(zip_derived_cl50, plain, (( (c3_1 @ a234) | ~ (hskp26))),
% 7.67/1.74      inference('cnf', [status(esa)], [zf_stmt_65])).
% 7.67/1.74  thf(zip_derived_cl307, plain, (( (c3_1 @ a234)) <= (( (c3_1 @ a234)))),
% 7.67/1.74      inference('split', [status(esa)], [zip_derived_cl50])).
% 7.67/1.74  thf('69', plain,
% 7.67/1.74      (~ (![X0 : $i]: (~ (c1_1 @ X0) | ~ (c0_1 @ X0) | ~ (c3_1 @ X0))) | 
% 7.67/1.74       ~ ( (c1_1 @ a234)) | 
% 7.67/1.74       ~ (![X0 : $i]: (~ (c1_1 @ X0) |  (c0_1 @ X0) | ~ (c3_1 @ X0))) | 
% 7.67/1.74       ~ ( (c3_1 @ a234))),
% 7.67/1.74      inference('s_sup+', [status(thm)],
% 7.67/1.74                [zip_derived_cl2352, zip_derived_cl307])).
% 7.67/1.74  thf(clause136, conjecture,
% 7.67/1.74    (~( ( hskp2 ) | ( hskp27 ) | ( c3_1 @ U ) | ( c2_1 @ U ) | ( c1_1 @ U ) | 
% 7.67/1.74        ( ~( ndr1_0 ) ) ))).
% 7.67/1.74  thf(zf_stmt_66, negated_conjecture,
% 7.67/1.74    (( hskp2 ) | ( hskp27 ) | ( c3_1 @ U ) | ( c2_1 @ U ) | ( c1_1 @ U ) | 
% 7.67/1.74     ( ~( ndr1_0 ) )),
% 7.67/1.74    inference('cnf.neg', [status(esa)], [clause136])).
% 7.67/1.74  thf(zip_derived_cl135, plain,
% 7.67/1.74      (![X0 : $i]:
% 7.67/1.74         ( (hskp2)
% 7.67/1.74          |  (hskp27)
% 7.67/1.74          |  (c3_1 @ X0)
% 7.67/1.74          |  (c2_1 @ X0)
% 7.67/1.74          |  (c1_1 @ X0)
% 7.67/1.74          | ~ (ndr1_0))),
% 7.67/1.74      inference('cnf', [status(esa)], [zf_stmt_66])).
% 7.67/1.74  thf('70', plain,
% 7.67/1.74      ((![X0 : $i]: ( (c2_1 @ X0) |  (c1_1 @ X0) |  (c3_1 @ X0))) | 
% 7.67/1.74       ( (hskp27)) | ~ ( (ndr1_0)) | ( (hskp2))),
% 7.67/1.74      inference('split', [status(esa)], [zip_derived_cl135])).
% 7.67/1.74  thf(zip_derived_cl672, plain,
% 7.67/1.74      ((![X1 : $i]: (~ (c3_1 @ X1) |  (c2_1 @ X1) | ~ (c1_1 @ X1)))
% 7.67/1.74         <= ((![X1 : $i]: (~ (c3_1 @ X1) |  (c2_1 @ X1) | ~ (c1_1 @ X1))))),
% 7.67/1.74      inference('split', [status(esa)], [zip_derived_cl181])).
% 7.67/1.74  thf(zip_derived_cl303, plain, (( (c0_1 @ a234)) <= (( (c0_1 @ a234)))),
% 7.67/1.74      inference('split', [status(esa)], [zip_derived_cl48])).
% 7.67/1.74  thf(zip_derived_cl564, plain,
% 7.67/1.74      ((![X0 : $i]: (~ (c2_1 @ X0) | ~ (c0_1 @ X0) | ~ (c3_1 @ X0)))
% 7.67/1.74         <= ((![X0 : $i]: (~ (c2_1 @ X0) | ~ (c0_1 @ X0) | ~ (c3_1 @ X0))))),
% 7.67/1.74      inference('split', [status(esa)], [zip_derived_cl154])).
% 7.67/1.74  thf(zip_derived_cl838, plain,
% 7.67/1.74      (((~ (c2_1 @ a234) | ~ (c3_1 @ a234)))
% 7.67/1.74         <= (( (c0_1 @ a234)) & 
% 7.67/1.74             (![X0 : $i]: (~ (c2_1 @ X0) | ~ (c0_1 @ X0) | ~ (c3_1 @ X0))))),
% 7.67/1.74      inference('s_sup-', [status(thm)], [zip_derived_cl303, zip_derived_cl564])).
% 7.67/1.74  thf(zip_derived_cl843, plain, ((~ (c2_1 @ a234)) <= (~ ( (c2_1 @ a234)))),
% 7.67/1.74      inference('split', [status(esa)], [zip_derived_cl838])).
% 7.67/1.74  thf(zip_derived_cl1691, plain,
% 7.67/1.74      (((~ (c1_1 @ a234) | ~ (c3_1 @ a234)))
% 7.67/1.74         <= (~ ( (c2_1 @ a234)) & 
% 7.67/1.74             (![X1 : $i]: (~ (c3_1 @ X1) |  (c2_1 @ X1) | ~ (c1_1 @ X1))))),
% 7.67/1.74      inference('s_sup-', [status(thm)], [zip_derived_cl672, zip_derived_cl843])).
% 7.67/1.74  thf('71', plain,
% 7.67/1.74      (~ (![X1 : $i]: (~ (c3_1 @ X1) |  (c2_1 @ X1) | ~ (c1_1 @ X1))) | 
% 7.67/1.74       ( (c2_1 @ a234)) | ~ ( (c3_1 @ a234)) | ~ ( (c1_1 @ a234))),
% 7.67/1.74      inference('split', [status(esa)], [zip_derived_cl1691])).
% 7.67/1.74  thf(clause40, conjecture, (~( ( c0_1 @ a296 ) | ( ~( hskp29 ) ) ))).
% 7.67/1.74  thf(zf_stmt_67, negated_conjecture, (( c0_1 @ a296 ) | ( ~( hskp29 ) )),
% 7.67/1.74    inference('cnf.neg', [status(esa)], [clause40])).
% 7.67/1.74  thf(zip_derived_cl39, plain, (( (c0_1 @ a296) | ~ (hskp29))),
% 7.67/1.74      inference('cnf', [status(esa)], [zf_stmt_67])).
% 7.67/1.74  thf('72', plain, (~ ( (hskp29)) | ( (c0_1 @ a296))),
% 7.67/1.74      inference('split', [status(esa)], [zip_derived_cl39])).
% 7.67/1.74  thf(clause41, conjecture, (~( ( c2_1 @ a296 ) | ( ~( hskp29 ) ) ))).
% 7.67/1.74  thf(zf_stmt_68, negated_conjecture, (( c2_1 @ a296 ) | ( ~( hskp29 ) )),
% 7.67/1.74    inference('cnf.neg', [status(esa)], [clause41])).
% 7.67/1.74  thf(zip_derived_cl40, plain, (( (c2_1 @ a296) | ~ (hskp29))),
% 7.67/1.74      inference('cnf', [status(esa)], [zf_stmt_68])).
% 7.67/1.74  thf('73', plain, (~ ( (hskp29)) | ( (c2_1 @ a296))),
% 7.67/1.74      inference('split', [status(esa)], [zip_derived_cl40])).
% 7.67/1.74  thf(clause42, conjecture, (~( ( c3_1 @ a296 ) | ( ~( hskp29 ) ) ))).
% 7.67/1.74  thf(zf_stmt_69, negated_conjecture, (( c3_1 @ a296 ) | ( ~( hskp29 ) )),
% 7.67/1.74    inference('cnf.neg', [status(esa)], [clause42])).
% 7.67/1.74  thf(zip_derived_cl41, plain, (( (c3_1 @ a296) | ~ (hskp29))),
% 7.67/1.74      inference('cnf', [status(esa)], [zf_stmt_69])).
% 7.67/1.74  thf('74', plain, (~ ( (hskp29)) | ( (c3_1 @ a296))),
% 7.67/1.74      inference('split', [status(esa)], [zip_derived_cl41])).
% 7.67/1.74  thf(zip_derived_cl564, plain,
% 7.67/1.74      ((![X0 : $i]: (~ (c2_1 @ X0) | ~ (c0_1 @ X0) | ~ (c3_1 @ X0)))
% 7.67/1.74         <= ((![X0 : $i]: (~ (c2_1 @ X0) | ~ (c0_1 @ X0) | ~ (c3_1 @ X0))))),
% 7.67/1.74      inference('split', [status(esa)], [zip_derived_cl154])).
% 7.67/1.74  thf(zip_derived_cl285, plain, (( (c0_1 @ a296)) <= (( (c0_1 @ a296)))),
% 7.67/1.74      inference('split', [status(esa)], [zip_derived_cl39])).
% 7.67/1.74  thf(zip_derived_cl781, plain,
% 7.67/1.74      (((~ (c3_1 @ a296) | ~ (c2_1 @ a296)))
% 7.67/1.74         <= (( (c0_1 @ a296)) & 
% 7.67/1.74             (![X0 : $i]: (~ (c2_1 @ X0) | ~ (c0_1 @ X0) | ~ (c3_1 @ X0))))),
% 7.67/1.74      inference('s_sup+', [status(thm)], [zip_derived_cl564, zip_derived_cl285])).
% 7.67/1.74  thf('75', plain,
% 7.67/1.74      (~ ( (c2_1 @ a296)) | ~ ( (c0_1 @ a296)) | 
% 7.67/1.74       ~ (![X0 : $i]: (~ (c2_1 @ X0) | ~ (c0_1 @ X0) | ~ (c3_1 @ X0))) | 
% 7.67/1.74       ~ ( (c3_1 @ a296))),
% 7.67/1.74      inference('split', [status(esa)], [zip_derived_cl781])).
% 7.67/1.74  thf(clause200, conjecture,
% 7.67/1.74    (~( ( ~( c2_1 @ W ) ) | ( ~( c1_1 @ W ) ) | ( ~( c0_1 @ W ) ) | 
% 7.67/1.74        ( ~( c3_1 @ V ) ) | ( ~( c2_1 @ V ) ) | ( ~( c0_1 @ V ) ) | 
% 7.67/1.74        ( ~( ndr1_0 ) ) | ( ~( c3_1 @ U ) ) | ( ~( c2_1 @ U ) ) | 
% 7.67/1.74        ( ~( c1_1 @ U ) ) ))).
% 7.67/1.74  thf(zf_stmt_70, negated_conjecture,
% 7.67/1.74    (( ~( c2_1 @ W ) ) | ( ~( c1_1 @ W ) ) | ( ~( c0_1 @ W ) ) | 
% 7.67/1.74     ( ~( c3_1 @ V ) ) | ( ~( c2_1 @ V ) ) | ( ~( c0_1 @ V ) ) | 
% 7.67/1.74     ( ~( ndr1_0 ) ) | ( ~( c3_1 @ U ) ) | ( ~( c2_1 @ U ) ) | 
% 7.67/1.74     ( ~( c1_1 @ U ) )),
% 7.67/1.74    inference('cnf.neg', [status(esa)], [clause200])).
% 7.67/1.74  thf(zip_derived_cl199, plain,
% 7.67/1.74      (![X0 : $i, X1 : $i, X2 : $i]:
% 7.67/1.74         (~ (c2_1 @ X0)
% 7.67/1.74          | ~ (c1_1 @ X0)
% 7.67/1.74          | ~ (c0_1 @ X0)
% 7.67/1.74          | ~ (c3_1 @ X1)
% 7.67/1.74          | ~ (c2_1 @ X1)
% 7.67/1.74          | ~ (c0_1 @ X1)
% 7.67/1.74          | ~ (ndr1_0)
% 7.67/1.74          | ~ (c3_1 @ X2)
% 7.67/1.74          | ~ (c2_1 @ X2)
% 7.67/1.74          | ~ (c1_1 @ X2))),
% 7.67/1.74      inference('cnf', [status(esa)], [zf_stmt_70])).
% 7.67/1.74  thf('76', plain,
% 7.67/1.74      ((![X0 : $i]: (~ (c2_1 @ X0) | ~ (c1_1 @ X0) | ~ (c0_1 @ X0))) | 
% 7.67/1.74       (![X0 : $i]: (~ (c2_1 @ X0) | ~ (c0_1 @ X0) | ~ (c3_1 @ X0))) | 
% 7.67/1.74       ~ ( (ndr1_0)) | 
% 7.67/1.74       (![X0 : $i]: (~ (c2_1 @ X0) | ~ (c1_1 @ X0) | ~ (c3_1 @ X0)))),
% 7.67/1.74      inference('split', [status(esa)], [zip_derived_cl199])).
% 7.67/1.74  thf(clause58, conjecture, (~( ( c0_1 @ a257 ) | ( ~( hskp20 ) ) ))).
% 7.67/1.74  thf(zf_stmt_71, negated_conjecture, (( c0_1 @ a257 ) | ( ~( hskp20 ) )),
% 7.67/1.74    inference('cnf.neg', [status(esa)], [clause58])).
% 7.67/1.74  thf(zip_derived_cl57, plain, (( (c0_1 @ a257) | ~ (hskp20))),
% 7.67/1.74      inference('cnf', [status(esa)], [zf_stmt_71])).
% 7.67/1.74  thf('77', plain, (( (c0_1 @ a257)) | ~ ( (hskp20))),
% 7.67/1.74      inference('split', [status(esa)], [zip_derived_cl57])).
% 7.67/1.74  thf(clause59, conjecture, (~( ( c1_1 @ a257 ) | ( ~( hskp20 ) ) ))).
% 7.67/1.74  thf(zf_stmt_72, negated_conjecture, (( c1_1 @ a257 ) | ( ~( hskp20 ) )),
% 7.67/1.74    inference('cnf.neg', [status(esa)], [clause59])).
% 7.67/1.74  thf(zip_derived_cl58, plain, (( (c1_1 @ a257) | ~ (hskp20))),
% 7.67/1.74      inference('cnf', [status(esa)], [zf_stmt_72])).
% 7.67/1.74  thf('78', plain, (( (c1_1 @ a257)) | ~ ( (hskp20))),
% 7.67/1.74      inference('split', [status(esa)], [zip_derived_cl58])).
% 7.67/1.74  thf(clause95, conjecture, (~( ( ~( hskp20 ) ) | ( ~( c3_1 @ a257 ) ) ))).
% 7.67/1.74  thf(zf_stmt_73, negated_conjecture, (( ~( hskp20 ) ) | ( ~( c3_1 @ a257 ) )),
% 7.67/1.74    inference('cnf.neg', [status(esa)], [clause95])).
% 7.67/1.74  thf(zip_derived_cl94, plain, ((~ (hskp20) | ~ (c3_1 @ a257))),
% 7.67/1.74      inference('cnf', [status(esa)], [zf_stmt_73])).
% 7.67/1.74  thf('79', plain, (~ ( (c3_1 @ a257)) | ~ ( (hskp20))),
% 7.67/1.74      inference('split', [status(esa)], [zip_derived_cl94])).
% 7.67/1.74  thf(zip_derived_cl624, plain,
% 7.67/1.74      ((![X1 : $i]: ( (c3_1 @ X1) | ~ (c0_1 @ X1) | ~ (c1_1 @ X1)))
% 7.67/1.74         <= ((![X1 : $i]: ( (c3_1 @ X1) | ~ (c0_1 @ X1) | ~ (c1_1 @ X1))))),
% 7.67/1.74      inference('split', [status(esa)], [zip_derived_cl169])).
% 7.67/1.74  thf(zip_derived_cl321, plain, (( (c0_1 @ a257)) <= (( (c0_1 @ a257)))),
% 7.67/1.74      inference('split', [status(esa)], [zip_derived_cl57])).
% 7.67/1.74  thf(zip_derived_cl1282, plain,
% 7.67/1.74      (((~ (c1_1 @ a257) |  (c3_1 @ a257)))
% 7.67/1.74         <= (( (c0_1 @ a257)) & 
% 7.67/1.74             (![X1 : $i]: ( (c3_1 @ X1) | ~ (c0_1 @ X1) | ~ (c1_1 @ X1))))),
% 7.67/1.74      inference('s_sup+', [status(thm)], [zip_derived_cl624, zip_derived_cl321])).
% 7.67/1.74  thf('80', plain,
% 7.67/1.74      (~ ( (c1_1 @ a257)) | ( (c3_1 @ a257)) | 
% 7.67/1.74       ~ (![X1 : $i]: ( (c3_1 @ X1) | ~ (c0_1 @ X1) | ~ (c1_1 @ X1))) | 
% 7.67/1.74       ~ ( (c0_1 @ a257))),
% 7.67/1.74      inference('split', [status(esa)], [zip_derived_cl1282])).
% 7.67/1.74  thf(clause34, conjecture, (~( ( hskp2 ) | ( hskp10 ) | ( hskp20 ) ))).
% 7.67/1.74  thf(zf_stmt_74, negated_conjecture, (( hskp2 ) | ( hskp10 ) | ( hskp20 )),
% 7.67/1.74    inference('cnf.neg', [status(esa)], [clause34])).
% 7.67/1.74  thf(zip_derived_cl33, plain, (( (hskp2) |  (hskp10) |  (hskp20))),
% 7.67/1.74      inference('cnf', [status(esa)], [zf_stmt_74])).
% 7.67/1.74  thf('81', plain, (( (hskp10)) | ( (hskp2)) | ( (hskp20))),
% 7.67/1.74      inference('split', [status(esa)], [zip_derived_cl33])).
% 7.67/1.74  thf(clause148, conjecture,
% 7.67/1.74    (~( ( hskp23 ) | ( hskp26 ) | ( c1_1 @ U ) | ( ~( ndr1_0 ) ) | 
% 7.67/1.74        ( ~( c3_1 @ U ) ) | ( ~( c0_1 @ U ) ) ))).
% 7.67/1.74  thf(zf_stmt_75, negated_conjecture,
% 7.67/1.74    (( hskp23 ) | ( hskp26 ) | ( c1_1 @ U ) | ( ~( ndr1_0 ) ) | 
% 7.67/1.74     ( ~( c3_1 @ U ) ) | ( ~( c0_1 @ U ) )),
% 7.67/1.74    inference('cnf.neg', [status(esa)], [clause148])).
% 7.67/1.74  thf(zip_derived_cl147, plain,
% 7.67/1.74      (![X0 : $i]:
% 7.67/1.74         ( (hskp23)
% 7.67/1.74          |  (hskp26)
% 7.67/1.74          |  (c1_1 @ X0)
% 7.67/1.74          | ~ (ndr1_0)
% 7.67/1.74          | ~ (c3_1 @ X0)
% 7.67/1.74          | ~ (c0_1 @ X0))),
% 7.67/1.74      inference('cnf', [status(esa)], [zf_stmt_75])).
% 7.67/1.74  thf(zip_derived_cl536, plain,
% 7.67/1.74      ((![X0 : $i]: ( (c1_1 @ X0) | ~ (c0_1 @ X0) | ~ (c3_1 @ X0)))
% 7.67/1.74         <= ((![X0 : $i]: ( (c1_1 @ X0) | ~ (c0_1 @ X0) | ~ (c3_1 @ X0))))),
% 7.67/1.74      inference('split', [status(esa)], [zip_derived_cl147])).
% 7.67/1.74  thf(zip_derived_cl500, plain,
% 7.67/1.74      ((![X0 : $i]: ( (c1_1 @ X0) |  (c0_1 @ X0) | ~ (c3_1 @ X0)))
% 7.67/1.74         <= ((![X0 : $i]: ( (c1_1 @ X0) |  (c0_1 @ X0) | ~ (c3_1 @ X0))))),
% 7.67/1.74      inference('split', [status(esa)], [zip_derived_cl138])).
% 7.67/1.74  thf(zip_derived_cl1665, plain,
% 7.67/1.74      ((![X0 : $i]:
% 7.67/1.74          (~ (c3_1 @ X0) |  (c1_1 @ X0) |  (c1_1 @ X0) | ~ (c3_1 @ X0)))
% 7.67/1.74         <= ((![X0 : $i]: ( (c1_1 @ X0) |  (c0_1 @ X0) | ~ (c3_1 @ X0))) & 
% 7.67/1.74             (![X0 : $i]: ( (c1_1 @ X0) | ~ (c0_1 @ X0) | ~ (c3_1 @ X0))))),
% 7.67/1.74      inference('s_sup+', [status(thm)], [zip_derived_cl536, zip_derived_cl500])).
% 7.67/1.74  thf(zip_derived_cl1674, plain,
% 7.67/1.74      ((![X0 : $i]: ( (c1_1 @ X0) | ~ (c3_1 @ X0)))
% 7.67/1.74         <= ((![X0 : $i]: ( (c1_1 @ X0) |  (c0_1 @ X0) | ~ (c3_1 @ X0))) & 
% 7.67/1.74             (![X0 : $i]: ( (c1_1 @ X0) | ~ (c0_1 @ X0) | ~ (c3_1 @ X0))))),
% 7.67/1.74      inference('simplify', [status(thm)], [zip_derived_cl1665])).
% 7.67/1.74  thf(zip_derived_cl1500, plain,
% 7.67/1.74      ((![X0 : $i]: (~ (c1_1 @ X0) | ~ (c3_1 @ X0)))
% 7.67/1.74         <= ((![X0 : $i]: (~ (c1_1 @ X0) |  (c0_1 @ X0) | ~ (c3_1 @ X0))) & 
% 7.67/1.74             (![X0 : $i]: (~ (c1_1 @ X0) | ~ (c0_1 @ X0) | ~ (c3_1 @ X0))))),
% 7.67/1.74      inference('simplify', [status(thm)], [zip_derived_cl1492])).
% 7.67/1.74  thf(zip_derived_cl2865, plain,
% 7.67/1.74      ((![X0 : $i]: (~ (c3_1 @ X0) | ~ (c3_1 @ X0)))
% 7.67/1.74         <= ((![X0 : $i]: ( (c1_1 @ X0) |  (c0_1 @ X0) | ~ (c3_1 @ X0))) & 
% 7.67/1.74             (![X0 : $i]: (~ (c1_1 @ X0) |  (c0_1 @ X0) | ~ (c3_1 @ X0))) & 
% 7.67/1.74             (![X0 : $i]: ( (c1_1 @ X0) | ~ (c0_1 @ X0) | ~ (c3_1 @ X0))) & 
% 7.67/1.74             (![X0 : $i]: (~ (c1_1 @ X0) | ~ (c0_1 @ X0) | ~ (c3_1 @ X0))))),
% 7.67/1.74      inference('s_sup-', [status(thm)],
% 7.67/1.74                [zip_derived_cl1674, zip_derived_cl1500])).
% 7.67/1.74  thf(zip_derived_cl2929, plain,
% 7.67/1.74      ((![X0 : $i]: ~ (c3_1 @ X0))
% 7.67/1.74         <= ((![X0 : $i]: ( (c1_1 @ X0) |  (c0_1 @ X0) | ~ (c3_1 @ X0))) & 
% 7.67/1.74             (![X0 : $i]: (~ (c1_1 @ X0) |  (c0_1 @ X0) | ~ (c3_1 @ X0))) & 
% 7.67/1.74             (![X0 : $i]: ( (c1_1 @ X0) | ~ (c0_1 @ X0) | ~ (c3_1 @ X0))) & 
% 7.67/1.74             (![X0 : $i]: (~ (c1_1 @ X0) | ~ (c0_1 @ X0) | ~ (c3_1 @ X0))))),
% 7.67/1.74      inference('simplify', [status(thm)], [zip_derived_cl2865])).
% 7.67/1.74  thf(zip_derived_cl311, plain, (( (c3_1 @ a320)) <= (( (c3_1 @ a320)))),
% 7.67/1.74      inference('split', [status(esa)], [zip_derived_cl52])).
% 7.67/1.74  thf('82', plain,
% 7.67/1.74      (~ (![X0 : $i]: ( (c1_1 @ X0) | ~ (c0_1 @ X0) | ~ (c3_1 @ X0))) | 
% 7.67/1.74       ~ ( (c3_1 @ a320)) | 
% 7.67/1.74       ~ (![X0 : $i]: (~ (c1_1 @ X0) |  (c0_1 @ X0) | ~ (c3_1 @ X0))) | 
% 7.67/1.74       ~ (![X0 : $i]: (~ (c1_1 @ X0) | ~ (c0_1 @ X0) | ~ (c3_1 @ X0))) | 
% 7.67/1.74       ~ (![X0 : $i]: ( (c1_1 @ X0) |  (c0_1 @ X0) | ~ (c3_1 @ X0)))),
% 7.67/1.74      inference('s_sup+', [status(thm)],
% 7.67/1.74                [zip_derived_cl2929, zip_derived_cl311])).
% 7.67/1.74  thf(clause76, conjecture, (~( ( c1_1 @ a223 ) | ( ~( hskp7 ) ) ))).
% 7.67/1.74  thf(zf_stmt_76, negated_conjecture, (( c1_1 @ a223 ) | ( ~( hskp7 ) )),
% 7.67/1.74    inference('cnf.neg', [status(esa)], [clause76])).
% 7.67/1.74  thf(zip_derived_cl75, plain, (( (c1_1 @ a223) | ~ (hskp7))),
% 7.67/1.74      inference('cnf', [status(esa)], [zf_stmt_76])).
% 7.67/1.74  thf('83', plain, (( (c1_1 @ a223)) | ~ ( (hskp7))),
% 7.67/1.74      inference('split', [status(esa)], [zip_derived_cl75])).
% 7.67/1.74  thf(clause77, conjecture, (~( ( c2_1 @ a223 ) | ( ~( hskp7 ) ) ))).
% 7.67/1.74  thf(zf_stmt_77, negated_conjecture, (( c2_1 @ a223 ) | ( ~( hskp7 ) )),
% 7.67/1.74    inference('cnf.neg', [status(esa)], [clause77])).
% 7.67/1.74  thf(zip_derived_cl76, plain, (( (c2_1 @ a223) | ~ (hskp7))),
% 7.67/1.74      inference('cnf', [status(esa)], [zf_stmt_77])).
% 7.67/1.74  thf('84', plain, (( (c2_1 @ a223)) | ~ ( (hskp7))),
% 7.67/1.74      inference('split', [status(esa)], [zip_derived_cl76])).
% 7.67/1.74  thf(clause116, conjecture, (~( ( ~( hskp7 ) ) | ( ~( c0_1 @ a223 ) ) ))).
% 7.67/1.74  thf(zf_stmt_78, negated_conjecture, (( ~( hskp7 ) ) | ( ~( c0_1 @ a223 ) )),
% 7.67/1.74    inference('cnf.neg', [status(esa)], [clause116])).
% 7.67/1.74  thf(zip_derived_cl115, plain, ((~ (hskp7) | ~ (c0_1 @ a223))),
% 7.67/1.74      inference('cnf', [status(esa)], [zf_stmt_78])).
% 7.67/1.74  thf('85', plain, (~ ( (c0_1 @ a223)) | ~ ( (hskp7))),
% 7.67/1.74      inference('split', [status(esa)], [zip_derived_cl115])).
% 7.67/1.74  thf(clause153, conjecture,
% 7.67/1.74    (~( ( hskp6 ) | ( hskp7 ) | ( c3_1 @ U ) | ( ~( ndr1_0 ) ) | 
% 7.67/1.74        ( ~( c2_1 @ U ) ) | ( ~( c0_1 @ U ) ) ))).
% 7.67/1.74  thf(zf_stmt_79, negated_conjecture,
% 7.67/1.74    (( hskp6 ) | ( hskp7 ) | ( c3_1 @ U ) | ( ~( ndr1_0 ) ) | 
% 7.67/1.74     ( ~( c2_1 @ U ) ) | ( ~( c0_1 @ U ) )),
% 7.67/1.74    inference('cnf.neg', [status(esa)], [clause153])).
% 7.67/1.74  thf(zip_derived_cl152, plain,
% 7.67/1.74      (![X0 : $i]:
% 7.67/1.74         ( (hskp6)
% 7.67/1.74          |  (hskp7)
% 7.67/1.74          |  (c3_1 @ X0)
% 7.67/1.74          | ~ (ndr1_0)
% 7.67/1.74          | ~ (c2_1 @ X0)
% 7.67/1.74          | ~ (c0_1 @ X0))),
% 7.67/1.74      inference('cnf', [status(esa)], [zf_stmt_79])).
% 7.67/1.74  thf('86', plain,
% 7.67/1.74      (( (hskp6)) | ( (hskp7)) | ~ ( (ndr1_0)) | 
% 7.67/1.74       (![X0 : $i]: (~ (c2_1 @ X0) | ~ (c0_1 @ X0) |  (c3_1 @ X0)))),
% 7.67/1.74      inference('split', [status(esa)], [zip_derived_cl152])).
% 7.67/1.74  thf(zip_derived_cl1458, plain,
% 7.67/1.74      ((![X0 : $i]: (~ (c2_1 @ X0) | ~ (c1_1 @ X0)))
% 7.67/1.74         <= ((![X0 : $i]: (~ (c2_1 @ X0) | ~ (c1_1 @ X0) |  (c0_1 @ X0))) & 
% 7.67/1.74             (![X0 : $i]: (~ (c2_1 @ X0) | ~ (c1_1 @ X0) | ~ (c0_1 @ X0))))),
% 7.67/1.74      inference('simplify', [status(thm)], [zip_derived_cl1451])).
% 7.67/1.74  thf(clause79, conjecture, (~( ( c2_1 @ a220 ) | ( ~( hskp6 ) ) ))).
% 7.67/1.74  thf(zf_stmt_80, negated_conjecture, (( c2_1 @ a220 ) | ( ~( hskp6 ) )),
% 7.67/1.74    inference('cnf.neg', [status(esa)], [clause79])).
% 7.67/1.74  thf(zip_derived_cl78, plain, (( (c2_1 @ a220) | ~ (hskp6))),
% 7.67/1.74      inference('cnf', [status(esa)], [zf_stmt_80])).
% 7.67/1.74  thf(zip_derived_cl363, plain, (( (c2_1 @ a220)) <= (( (c2_1 @ a220)))),
% 7.67/1.74      inference('split', [status(esa)], [zip_derived_cl78])).
% 7.67/1.74  thf(zip_derived_cl2319, plain,
% 7.67/1.74      ((~ (c1_1 @ a220))
% 7.67/1.74         <= (( (c2_1 @ a220)) & 
% 7.67/1.74             (![X0 : $i]: (~ (c2_1 @ X0) | ~ (c1_1 @ X0) |  (c0_1 @ X0))) & 
% 7.67/1.74             (![X0 : $i]: (~ (c2_1 @ X0) | ~ (c1_1 @ X0) | ~ (c0_1 @ X0))))),
% 7.67/1.74      inference('s_sup+', [status(thm)],
% 7.67/1.74                [zip_derived_cl1458, zip_derived_cl363])).
% 7.67/1.74  thf(clause78, conjecture, (~( ( c1_1 @ a220 ) | ( ~( hskp6 ) ) ))).
% 7.67/1.74  thf(zf_stmt_81, negated_conjecture, (( c1_1 @ a220 ) | ( ~( hskp6 ) )),
% 7.67/1.74    inference('cnf.neg', [status(esa)], [clause78])).
% 7.67/1.74  thf(zip_derived_cl77, plain, (( (c1_1 @ a220) | ~ (hskp6))),
% 7.67/1.74      inference('cnf', [status(esa)], [zf_stmt_81])).
% 7.67/1.74  thf(zip_derived_cl361, plain, (( (c1_1 @ a220)) <= (( (c1_1 @ a220)))),
% 7.67/1.74      inference('split', [status(esa)], [zip_derived_cl77])).
% 7.67/1.74  thf('87', plain,
% 7.67/1.74      (~ ( (c1_1 @ a220)) | 
% 7.67/1.74       ~ (![X0 : $i]: (~ (c2_1 @ X0) | ~ (c1_1 @ X0) |  (c0_1 @ X0))) | 
% 7.67/1.74       ~ (![X0 : $i]: (~ (c2_1 @ X0) | ~ (c1_1 @ X0) | ~ (c0_1 @ X0))) | 
% 7.67/1.74       ~ ( (c2_1 @ a220))),
% 7.67/1.74      inference('s_sup+', [status(thm)],
% 7.67/1.74                [zip_derived_cl2319, zip_derived_cl361])).
% 7.67/1.74  thf(zip_derived_cl524, plain,
% 7.67/1.74      ((![X0 : $i]: (~ (c2_1 @ X0) | ~ (c1_1 @ X0) |  (c0_1 @ X0)))
% 7.67/1.74         <= ((![X0 : $i]: (~ (c2_1 @ X0) | ~ (c1_1 @ X0) |  (c0_1 @ X0))))),
% 7.67/1.74      inference('split', [status(esa)], [zip_derived_cl144])).
% 7.67/1.74  thf(zip_derived_cl437, plain, ((~ (c0_1 @ a223)) <= (~ ( (c0_1 @ a223)))),
% 7.67/1.74      inference('split', [status(esa)], [zip_derived_cl115])).
% 7.67/1.74  thf(zip_derived_cl1441, plain,
% 7.67/1.74      (((~ (c1_1 @ a223) | ~ (c2_1 @ a223)))
% 7.67/1.74         <= (~ ( (c0_1 @ a223)) & 
% 7.67/1.74             (![X0 : $i]: (~ (c2_1 @ X0) | ~ (c1_1 @ X0) |  (c0_1 @ X0))))),
% 7.67/1.74      inference('s_sup-', [status(thm)], [zip_derived_cl524, zip_derived_cl437])).
% 7.67/1.74  thf('88', plain,
% 7.67/1.74      (~ (![X0 : $i]: (~ (c2_1 @ X0) | ~ (c1_1 @ X0) |  (c0_1 @ X0))) | 
% 7.67/1.74       ~ ( (c2_1 @ a223)) | ( (c0_1 @ a223)) | ~ ( (c1_1 @ a223))),
% 7.67/1.74      inference('split', [status(esa)], [zip_derived_cl1441])).
% 7.67/1.74  thf(clause142, conjecture,
% 7.67/1.74    (~( ( hskp17 ) | ( hskp12 ) | ( c2_1 @ U ) | ( c1_1 @ U ) | 
% 7.67/1.74        ( ~( ndr1_0 ) ) | ( ~( c0_1 @ U ) ) ))).
% 7.67/1.74  thf(zf_stmt_82, negated_conjecture,
% 7.67/1.74    (( hskp17 ) | ( hskp12 ) | ( c2_1 @ U ) | ( c1_1 @ U ) | ( ~( ndr1_0 ) ) | 
% 7.67/1.74     ( ~( c0_1 @ U ) )),
% 7.67/1.74    inference('cnf.neg', [status(esa)], [clause142])).
% 7.67/1.74  thf(zip_derived_cl141, plain,
% 7.67/1.74      (![X0 : $i]:
% 7.67/1.74         ( (hskp17)
% 7.67/1.74          |  (hskp12)
% 7.67/1.74          |  (c2_1 @ X0)
% 7.67/1.74          |  (c1_1 @ X0)
% 7.67/1.74          | ~ (ndr1_0)
% 7.67/1.74          | ~ (c0_1 @ X0))),
% 7.67/1.74      inference('cnf', [status(esa)], [zf_stmt_82])).
% 7.67/1.74  thf('89', plain,
% 7.67/1.74      (( (hskp12)) | ( (hskp17)) | ~ ( (ndr1_0)) | 
% 7.67/1.74       (![X0 : $i]: ( (c2_1 @ X0) |  (c1_1 @ X0) | ~ (c0_1 @ X0)))),
% 7.67/1.74      inference('split', [status(esa)], [zip_derived_cl141])).
% 7.67/1.74  thf(zip_derived_cl556, plain,
% 7.67/1.74      ((![X0 : $i]: (~ (c2_1 @ X0) | ~ (c0_1 @ X0) |  (c3_1 @ X0)))
% 7.67/1.74         <= ((![X0 : $i]: (~ (c2_1 @ X0) | ~ (c0_1 @ X0) |  (c3_1 @ X0))))),
% 7.67/1.74      inference('split', [status(esa)], [zip_derived_cl152])).
% 7.67/1.74  thf(clause64, conjecture, (~( ( c0_1 @ a245 ) | ( ~( hskp16 ) ) ))).
% 7.67/1.74  thf(zf_stmt_83, negated_conjecture, (( c0_1 @ a245 ) | ( ~( hskp16 ) )),
% 7.67/1.74    inference('cnf.neg', [status(esa)], [clause64])).
% 7.67/1.74  thf(zip_derived_cl63, plain, (( (c0_1 @ a245) | ~ (hskp16))),
% 7.67/1.74      inference('cnf', [status(esa)], [zf_stmt_83])).
% 7.67/1.74  thf(zip_derived_cl333, plain, (( (c0_1 @ a245)) <= (( (c0_1 @ a245)))),
% 7.67/1.74      inference('split', [status(esa)], [zip_derived_cl63])).
% 7.67/1.74  thf(zip_derived_cl1124, plain,
% 7.67/1.74      ((( (c3_1 @ a245) | ~ (c2_1 @ a245)))
% 7.67/1.74         <= (( (c0_1 @ a245)) & 
% 7.67/1.74             (![X0 : $i]: (~ (c2_1 @ X0) | ~ (c0_1 @ X0) |  (c3_1 @ X0))))),
% 7.67/1.74      inference('s_sup+', [status(thm)], [zip_derived_cl556, zip_derived_cl333])).
% 7.67/1.74  thf('90', plain,
% 7.67/1.74      (~ (![X0 : $i]: (~ (c2_1 @ X0) | ~ (c0_1 @ X0) |  (c3_1 @ X0))) | 
% 7.67/1.74       ~ ( (c2_1 @ a245)) | ( (c3_1 @ a245)) | ~ ( (c0_1 @ a245))),
% 7.67/1.74      inference('split', [status(esa)], [zip_derived_cl1124])).
% 7.67/1.74  thf(clause16, conjecture, (~( ( ndr1_0 ) | ( ~( hskp16 ) ) ))).
% 7.67/1.74  thf(zf_stmt_84, negated_conjecture, (( ndr1_0 ) | ( ~( hskp16 ) )),
% 7.67/1.74    inference('cnf.neg', [status(esa)], [clause16])).
% 7.67/1.74  thf(zip_derived_cl15, plain, (( (ndr1_0) | ~ (hskp16))),
% 7.67/1.74      inference('cnf', [status(esa)], [zf_stmt_84])).
% 7.67/1.74  thf('91', plain, (( (ndr1_0)) | ~ ( (hskp16))),
% 7.67/1.74      inference('split', [status(esa)], [zip_derived_cl15])).
% 7.67/1.74  thf(zip_derived_cl556, plain,
% 7.67/1.74      ((![X0 : $i]: (~ (c2_1 @ X0) | ~ (c0_1 @ X0) |  (c3_1 @ X0)))
% 7.67/1.74         <= ((![X0 : $i]: (~ (c2_1 @ X0) | ~ (c0_1 @ X0) |  (c3_1 @ X0))))),
% 7.67/1.74      inference('split', [status(esa)], [zip_derived_cl152])).
% 7.67/1.74  thf(clause69, conjecture, (~( ( c0_1 @ a237 ) | ( ~( hskp12 ) ) ))).
% 7.67/1.74  thf(zf_stmt_85, negated_conjecture, (( c0_1 @ a237 ) | ( ~( hskp12 ) )),
% 7.67/1.74    inference('cnf.neg', [status(esa)], [clause69])).
% 7.67/1.74  thf(zip_derived_cl68, plain, (( (c0_1 @ a237) | ~ (hskp12))),
% 7.67/1.74      inference('cnf', [status(esa)], [zf_stmt_85])).
% 7.67/1.74  thf(zip_derived_cl343, plain, (( (c0_1 @ a237)) <= (( (c0_1 @ a237)))),
% 7.67/1.74      inference('split', [status(esa)], [zip_derived_cl68])).
% 7.67/1.74  thf(zip_derived_cl1125, plain,
% 7.67/1.74      ((( (c3_1 @ a237) | ~ (c2_1 @ a237)))
% 7.67/1.74         <= (( (c0_1 @ a237)) & 
% 7.67/1.74             (![X0 : $i]: (~ (c2_1 @ X0) | ~ (c0_1 @ X0) |  (c3_1 @ X0))))),
% 7.67/1.74      inference('s_sup+', [status(thm)], [zip_derived_cl556, zip_derived_cl343])).
% 7.67/1.74  thf('92', plain,
% 7.67/1.74      (~ (![X0 : $i]: (~ (c2_1 @ X0) | ~ (c0_1 @ X0) |  (c3_1 @ X0))) | 
% 7.67/1.74       ~ ( (c0_1 @ a237)) | ( (c3_1 @ a237)) | ~ ( (c2_1 @ a237))),
% 7.67/1.74      inference('split', [status(esa)], [zip_derived_cl1125])).
% 7.67/1.74  thf(zip_derived_cl508, plain,
% 7.67/1.74      ((![X0 : $i]: ( (c2_1 @ X0) |  (c1_1 @ X0) | ~ (c0_1 @ X0)))
% 7.67/1.74         <= ((![X0 : $i]: ( (c2_1 @ X0) |  (c1_1 @ X0) | ~ (c0_1 @ X0))))),
% 7.67/1.74      inference('split', [status(esa)], [zip_derived_cl140])).
% 7.67/1.74  thf(zip_derived_cl333, plain, (( (c0_1 @ a245)) <= (( (c0_1 @ a245)))),
% 7.67/1.74      inference('split', [status(esa)], [zip_derived_cl63])).
% 7.67/1.74  thf(zip_derived_cl1802, plain,
% 7.67/1.74      ((( (c1_1 @ a245) |  (c2_1 @ a245)))
% 7.67/1.74         <= (( (c0_1 @ a245)) & 
% 7.67/1.74             (![X0 : $i]: ( (c2_1 @ X0) |  (c1_1 @ X0) | ~ (c0_1 @ X0))))),
% 7.67/1.74      inference('s_sup+', [status(thm)], [zip_derived_cl508, zip_derived_cl333])).
% 7.67/1.74  thf('93', plain,
% 7.67/1.74      (( (c2_1 @ a245)) | 
% 7.67/1.74       ~ (![X0 : $i]: ( (c2_1 @ X0) |  (c1_1 @ X0) | ~ (c0_1 @ X0))) | 
% 7.67/1.74       ( (c1_1 @ a245)) | ~ ( (c0_1 @ a245))),
% 7.67/1.74      inference('split', [status(esa)], [zip_derived_cl1802])).
% 7.67/1.74  thf(clause38, conjecture, (~( ( hskp13 ) | ( hskp16 ) | ( hskp12 ) ))).
% 7.67/1.74  thf(zf_stmt_86, negated_conjecture, (( hskp13 ) | ( hskp16 ) | ( hskp12 )),
% 7.67/1.74    inference('cnf.neg', [status(esa)], [clause38])).
% 7.67/1.74  thf(zip_derived_cl37, plain, (( (hskp13) |  (hskp16) |  (hskp12))),
% 7.67/1.74      inference('cnf', [status(esa)], [zf_stmt_86])).
% 7.67/1.74  thf('94', plain, (( (hskp12)) | ( (hskp16)) | ( (hskp13))),
% 7.67/1.74      inference('split', [status(esa)], [zip_derived_cl37])).
% 7.67/1.74  thf(zip_derived_cl624, plain,
% 7.67/1.74      ((![X1 : $i]: ( (c3_1 @ X1) | ~ (c0_1 @ X1) | ~ (c1_1 @ X1)))
% 7.67/1.74         <= ((![X1 : $i]: ( (c3_1 @ X1) | ~ (c0_1 @ X1) | ~ (c1_1 @ X1))))),
% 7.67/1.74      inference('split', [status(esa)], [zip_derived_cl169])).
% 7.67/1.74  thf(zip_derived_cl343, plain, (( (c0_1 @ a237)) <= (( (c0_1 @ a237)))),
% 7.67/1.74      inference('split', [status(esa)], [zip_derived_cl68])).
% 7.67/1.74  thf(zip_derived_cl1285, plain,
% 7.67/1.74      (((~ (c1_1 @ a237) |  (c3_1 @ a237)))
% 7.67/1.74         <= (( (c0_1 @ a237)) & 
% 7.67/1.74             (![X1 : $i]: ( (c3_1 @ X1) | ~ (c0_1 @ X1) | ~ (c1_1 @ X1))))),
% 7.67/1.74      inference('s_sup+', [status(thm)], [zip_derived_cl624, zip_derived_cl343])).
% 7.67/1.74  thf('95', plain,
% 7.67/1.74      (~ ( (c1_1 @ a237)) | ~ ( (c0_1 @ a237)) | 
% 7.67/1.74       ~ (![X1 : $i]: ( (c3_1 @ X1) | ~ (c0_1 @ X1) | ~ (c1_1 @ X1))) | 
% 7.67/1.74       ( (c3_1 @ a237))),
% 7.67/1.74      inference('split', [status(esa)], [zip_derived_cl1285])).
% 7.67/1.74  thf('96', plain, (( (c0_1 @ a237)) | ~ ( (hskp12))),
% 7.67/1.74      inference('split', [status(esa)], [zip_derived_cl68])).
% 7.67/1.74  thf(clause70, conjecture, (~( ( c2_1 @ a237 ) | ( ~( hskp12 ) ) ))).
% 7.67/1.74  thf(zf_stmt_87, negated_conjecture, (( c2_1 @ a237 ) | ( ~( hskp12 ) )),
% 7.67/1.74    inference('cnf.neg', [status(esa)], [clause70])).
% 7.67/1.74  thf(zip_derived_cl69, plain, (( (c2_1 @ a237) | ~ (hskp12))),
% 7.67/1.74      inference('cnf', [status(esa)], [zf_stmt_87])).
% 7.67/1.74  thf('97', plain, (( (c2_1 @ a237)) | ~ ( (hskp12))),
% 7.67/1.74      inference('split', [status(esa)], [zip_derived_cl69])).
% 7.67/1.74  thf(clause108, conjecture, (~( ( ~( hskp12 ) ) | ( ~( c3_1 @ a237 ) ) ))).
% 7.67/1.74  thf(zf_stmt_88, negated_conjecture, (( ~( hskp12 ) ) | ( ~( c3_1 @ a237 ) )),
% 7.67/1.74    inference('cnf.neg', [status(esa)], [clause108])).
% 7.67/1.74  thf(zip_derived_cl107, plain, ((~ (hskp12) | ~ (c3_1 @ a237))),
% 7.67/1.74      inference('cnf', [status(esa)], [zf_stmt_88])).
% 7.67/1.74  thf('98', plain, (~ ( (c3_1 @ a237)) | ~ ( (hskp12))),
% 7.67/1.74      inference('split', [status(esa)], [zip_derived_cl107])).
% 7.67/1.74  thf(clause167, conjecture,
% 7.67/1.74    (~( ( hskp11 ) | ( c3_1 @ V ) | ( c0_1 @ V ) | ( c1_1 @ U ) | 
% 7.67/1.74        ( ~( c1_1 @ V ) ) | ( ~( ndr1_0 ) ) | ( ~( c2_1 @ U ) ) | 
% 7.67/1.74        ( ~( c0_1 @ U ) ) ))).
% 7.67/1.74  thf(zf_stmt_89, negated_conjecture,
% 7.67/1.74    (( hskp11 ) | ( c3_1 @ V ) | ( c0_1 @ V ) | ( c1_1 @ U ) | 
% 7.67/1.74     ( ~( c1_1 @ V ) ) | ( ~( ndr1_0 ) ) | ( ~( c2_1 @ U ) ) | 
% 7.67/1.74     ( ~( c0_1 @ U ) )),
% 7.67/1.74    inference('cnf.neg', [status(esa)], [clause167])).
% 7.67/1.74  thf(zip_derived_cl166, plain,
% 7.67/1.74      (![X0 : $i, X1 : $i]:
% 7.67/1.74         ( (hskp11)
% 7.67/1.74          |  (c3_1 @ X0)
% 7.67/1.74          |  (c0_1 @ X0)
% 7.67/1.74          |  (c1_1 @ X1)
% 7.67/1.74          | ~ (c1_1 @ X0)
% 7.67/1.74          | ~ (ndr1_0)
% 7.67/1.74          | ~ (c2_1 @ X1)
% 7.67/1.74          | ~ (c0_1 @ X1))),
% 7.67/1.74      inference('cnf', [status(esa)], [zf_stmt_89])).
% 7.67/1.74  thf(zip_derived_cl612, plain,
% 7.67/1.74      ((![X1 : $i]: (~ (c2_1 @ X1) | ~ (c0_1 @ X1) |  (c1_1 @ X1)))
% 7.67/1.74         <= ((![X1 : $i]: (~ (c2_1 @ X1) | ~ (c0_1 @ X1) |  (c1_1 @ X1))))),
% 7.67/1.74      inference('split', [status(esa)], [zip_derived_cl166])).
% 7.67/1.74  thf(zip_derived_cl343, plain, (( (c0_1 @ a237)) <= (( (c0_1 @ a237)))),
% 7.67/1.74      inference('split', [status(esa)], [zip_derived_cl68])).
% 7.67/1.74  thf(zip_derived_cl1213, plain,
% 7.67/1.74      ((( (c1_1 @ a237) | ~ (c2_1 @ a237)))
% 7.67/1.74         <= (( (c0_1 @ a237)) & 
% 7.67/1.74             (![X1 : $i]: (~ (c2_1 @ X1) | ~ (c0_1 @ X1) |  (c1_1 @ X1))))),
% 7.67/1.74      inference('s_sup+', [status(thm)], [zip_derived_cl612, zip_derived_cl343])).
% 7.67/1.74  thf('99', plain,
% 7.67/1.74      (~ (![X1 : $i]: (~ (c2_1 @ X1) | ~ (c0_1 @ X1) |  (c1_1 @ X1))) | 
% 7.67/1.74       ~ ( (c0_1 @ a237)) | ~ ( (c2_1 @ a237)) | ( (c1_1 @ a237))),
% 7.67/1.74      inference('split', [status(esa)], [zip_derived_cl1213])).
% 7.67/1.74  thf(clause189, conjecture,
% 7.67/1.74    (~( ( c1_1 @ W ) | ( c0_1 @ W ) | ( c2_1 @ V ) | ( c1_1 @ V ) | 
% 7.67/1.74        ( c3_1 @ U ) | ( ~( c2_1 @ W ) ) | ( ~( c3_1 @ V ) ) | 
% 7.67/1.74        ( ~( ndr1_0 ) ) | ( ~( c1_1 @ U ) ) | ( ~( c0_1 @ U ) ) ))).
% 7.67/1.74  thf(zf_stmt_90, negated_conjecture,
% 7.67/1.74    (( c1_1 @ W ) | ( c0_1 @ W ) | ( c2_1 @ V ) | ( c1_1 @ V ) | 
% 7.67/1.74     ( c3_1 @ U ) | ( ~( c2_1 @ W ) ) | ( ~( c3_1 @ V ) ) | ( ~( ndr1_0 ) ) | 
% 7.67/1.74     ( ~( c1_1 @ U ) ) | ( ~( c0_1 @ U ) )),
% 7.67/1.74    inference('cnf.neg', [status(esa)], [clause189])).
% 7.67/1.74  thf(zip_derived_cl188, plain,
% 7.67/1.74      (![X0 : $i, X1 : $i, X2 : $i]:
% 7.67/1.74         ( (c1_1 @ X0)
% 7.67/1.74          |  (c0_1 @ X0)
% 7.67/1.74          |  (c2_1 @ X1)
% 7.67/1.74          |  (c1_1 @ X1)
% 7.67/1.74          |  (c3_1 @ X2)
% 7.67/1.74          | ~ (c2_1 @ X0)
% 7.67/1.74          | ~ (c3_1 @ X1)
% 7.67/1.74          | ~ (ndr1_0)
% 7.67/1.74          | ~ (c1_1 @ X2)
% 7.67/1.74          | ~ (c0_1 @ X2))),
% 7.67/1.74      inference('cnf', [status(esa)], [zf_stmt_90])).
% 7.67/1.74  thf('100', plain,
% 7.67/1.74      ((![X0 : $i]: ( (c2_1 @ X0) |  (c1_1 @ X0) | ~ (c3_1 @ X0))) | 
% 7.67/1.74       (![X0 : $i]: (~ (c2_1 @ X0) |  (c1_1 @ X0) |  (c0_1 @ X0))) | 
% 7.67/1.74       ~ ( (ndr1_0)) | 
% 7.67/1.74       (![X1 : $i]: ( (c3_1 @ X1) | ~ (c0_1 @ X1) | ~ (c1_1 @ X1)))),
% 7.67/1.74      inference('split', [status(esa)], [zip_derived_cl188])).
% 7.67/1.74  thf(clause162, conjecture,
% 7.67/1.74    (~( ( hskp5 ) | ( c2_1 @ V ) | ( c1_1 @ V ) | ( c3_1 @ U ) | 
% 7.67/1.74        ( c1_1 @ U ) | ( ~( c3_1 @ V ) ) | ( ~( ndr1_0 ) ) | ( ~( c0_1 @ U ) ) ))).
% 7.67/1.74  thf(zf_stmt_91, negated_conjecture,
% 7.67/1.74    (( hskp5 ) | ( c2_1 @ V ) | ( c1_1 @ V ) | ( c3_1 @ U ) | ( c1_1 @ U ) | 
% 7.67/1.74     ( ~( c3_1 @ V ) ) | ( ~( ndr1_0 ) ) | ( ~( c0_1 @ U ) )),
% 7.67/1.74    inference('cnf.neg', [status(esa)], [clause162])).
% 7.67/1.74  thf(zip_derived_cl161, plain,
% 7.67/1.74      (![X0 : $i, X1 : $i]:
% 7.67/1.74         ( (hskp5)
% 7.67/1.74          |  (c2_1 @ X0)
% 7.67/1.74          |  (c1_1 @ X0)
% 7.67/1.74          |  (c3_1 @ X1)
% 7.67/1.74          |  (c1_1 @ X1)
% 7.67/1.74          | ~ (c3_1 @ X0)
% 7.67/1.74          | ~ (ndr1_0)
% 7.67/1.74          | ~ (c0_1 @ X1))),
% 7.67/1.74      inference('cnf', [status(esa)], [zf_stmt_91])).
% 7.67/1.74  thf(zip_derived_cl593, plain,
% 7.67/1.74      ((![X0 : $i]: ( (c2_1 @ X0) |  (c1_1 @ X0) | ~ (c3_1 @ X0)))
% 7.67/1.74         <= ((![X0 : $i]: ( (c2_1 @ X0) |  (c1_1 @ X0) | ~ (c3_1 @ X0))))),
% 7.67/1.74      inference('split', [status(esa)], [zip_derived_cl161])).
% 7.67/1.74  thf(clause119, conjecture, (~( ( ~( hskp5 ) ) | ( ~( c2_1 @ a218 ) ) ))).
% 7.67/1.74  thf(zf_stmt_92, negated_conjecture, (( ~( hskp5 ) ) | ( ~( c2_1 @ a218 ) )),
% 7.67/1.74    inference('cnf.neg', [status(esa)], [clause119])).
% 7.67/1.74  thf(zip_derived_cl118, plain, ((~ (hskp5) | ~ (c2_1 @ a218))),
% 7.67/1.74      inference('cnf', [status(esa)], [zf_stmt_92])).
% 7.67/1.74  thf(zip_derived_cl443, plain, ((~ (c2_1 @ a218)) <= (~ ( (c2_1 @ a218)))),
% 7.67/1.74      inference('split', [status(esa)], [zip_derived_cl118])).
% 7.67/1.74  thf(zip_derived_cl2184, plain,
% 7.67/1.75      (((~ (c3_1 @ a218) |  (c1_1 @ a218)))
% 7.67/1.75         <= (~ ( (c2_1 @ a218)) & 
% 7.67/1.75             (![X0 : $i]: ( (c2_1 @ X0) |  (c1_1 @ X0) | ~ (c3_1 @ X0))))),
% 7.67/1.75      inference('s_sup-', [status(thm)], [zip_derived_cl593, zip_derived_cl443])).
% 7.67/1.75  thf('101', plain,
% 7.67/1.75      (~ (![X0 : $i]: ( (c2_1 @ X0) |  (c1_1 @ X0) | ~ (c3_1 @ X0))) | 
% 7.67/1.75       ~ ( (c3_1 @ a218)) | ( (c1_1 @ a218)) | ( (c2_1 @ a218))),
% 7.67/1.75      inference('split', [status(esa)], [zip_derived_cl2184])).
% 7.67/1.75  thf(clause80, conjecture, (~( ( c3_1 @ a218 ) | ( ~( hskp5 ) ) ))).
% 7.67/1.75  thf(zf_stmt_93, negated_conjecture, (( c3_1 @ a218 ) | ( ~( hskp5 ) )),
% 7.67/1.75    inference('cnf.neg', [status(esa)], [clause80])).
% 7.67/1.75  thf(zip_derived_cl79, plain, (( (c3_1 @ a218) | ~ (hskp5))),
% 7.67/1.75      inference('cnf', [status(esa)], [zf_stmt_93])).
% 7.67/1.75  thf('102', plain, (( (c3_1 @ a218)) | ~ ( (hskp5))),
% 7.67/1.75      inference('split', [status(esa)], [zip_derived_cl79])).
% 7.67/1.75  thf(clause118, conjecture, (~( ( ~( hskp5 ) ) | ( ~( c1_1 @ a218 ) ) ))).
% 7.67/1.75  thf(zf_stmt_94, negated_conjecture, (( ~( hskp5 ) ) | ( ~( c1_1 @ a218 ) )),
% 7.67/1.75    inference('cnf.neg', [status(esa)], [clause118])).
% 7.67/1.75  thf(zip_derived_cl117, plain, ((~ (hskp5) | ~ (c1_1 @ a218))),
% 7.67/1.75      inference('cnf', [status(esa)], [zf_stmt_94])).
% 7.67/1.75  thf('103', plain, (~ ( (c1_1 @ a218)) | ~ ( (hskp5))),
% 7.67/1.75      inference('split', [status(esa)], [zip_derived_cl117])).
% 7.67/1.75  thf('104', plain, (~ ( (c2_1 @ a218)) | ~ ( (hskp5))),
% 7.67/1.75      inference('split', [status(esa)], [zip_derived_cl118])).
% 7.67/1.75  thf(clause190, conjecture,
% 7.67/1.75    (~( ( c2_1 @ W ) | ( c1_1 @ W ) | ( c3_1 @ V ) | ( c1_1 @ V ) | 
% 7.67/1.75        ( c2_1 @ U ) | ( ~( c0_1 @ W ) ) | ( ~( c2_1 @ V ) ) | 
% 7.67/1.75        ( ~( ndr1_0 ) ) | ( ~( c3_1 @ U ) ) | ( ~( c1_1 @ U ) ) ))).
% 7.67/1.75  thf(zf_stmt_95, negated_conjecture,
% 7.67/1.75    (( c2_1 @ W ) | ( c1_1 @ W ) | ( c3_1 @ V ) | ( c1_1 @ V ) | 
% 7.67/1.75     ( c2_1 @ U ) | ( ~( c0_1 @ W ) ) | ( ~( c2_1 @ V ) ) | ( ~( ndr1_0 ) ) | 
% 7.67/1.75     ( ~( c3_1 @ U ) ) | ( ~( c1_1 @ U ) )),
% 7.67/1.75    inference('cnf.neg', [status(esa)], [clause190])).
% 7.67/1.75  thf(zip_derived_cl189, plain,
% 7.67/1.75      (![X0 : $i, X1 : $i, X2 : $i]:
% 7.67/1.75         ( (c2_1 @ X0)
% 7.67/1.75          |  (c1_1 @ X0)
% 7.67/1.75          |  (c3_1 @ X1)
% 7.67/1.75          |  (c1_1 @ X1)
% 7.67/1.75          |  (c2_1 @ X2)
% 7.67/1.75          | ~ (c0_1 @ X0)
% 7.67/1.75          | ~ (c2_1 @ X1)
% 7.67/1.75          | ~ (ndr1_0)
% 7.67/1.75          | ~ (c3_1 @ X2)
% 7.67/1.75          | ~ (c1_1 @ X2))),
% 7.67/1.75      inference('cnf', [status(esa)], [zf_stmt_95])).
% 7.67/1.75  thf('105', plain,
% 7.67/1.75      ((![X0 : $i]: (~ (c2_1 @ X0) |  (c1_1 @ X0) |  (c3_1 @ X0))) | 
% 7.67/1.75       (![X1 : $i]: (~ (c3_1 @ X1) |  (c2_1 @ X1) | ~ (c1_1 @ X1))) | 
% 7.67/1.75       ~ ( (ndr1_0)) | 
% 7.67/1.75       (![X0 : $i]: ( (c2_1 @ X0) |  (c1_1 @ X0) | ~ (c0_1 @ X0)))),
% 7.67/1.75      inference('split', [status(esa)], [zip_derived_cl189])).
% 7.67/1.75  thf(clause178, conjecture,
% 7.67/1.75    (~( ( hskp5 ) | ( c1_1 @ V ) | ( c0_1 @ V ) | ( ~( c2_1 @ V ) ) | 
% 7.67/1.75        ( ~( ndr1_0 ) ) | ( ~( c3_1 @ U ) ) | ( ~( c1_1 @ U ) ) | 
% 7.67/1.75        ( ~( c0_1 @ U ) ) ))).
% 7.67/1.75  thf(zf_stmt_96, negated_conjecture,
% 7.67/1.75    (( hskp5 ) | ( c1_1 @ V ) | ( c0_1 @ V ) | ( ~( c2_1 @ V ) ) | 
% 7.67/1.75     ( ~( ndr1_0 ) ) | ( ~( c3_1 @ U ) ) | ( ~( c1_1 @ U ) ) | 
% 7.67/1.75     ( ~( c0_1 @ U ) )),
% 7.67/1.75    inference('cnf.neg', [status(esa)], [clause178])).
% 7.67/1.75  thf(zip_derived_cl177, plain,
% 7.67/1.75      (![X0 : $i, X1 : $i]:
% 7.67/1.75         ( (hskp5)
% 7.67/1.75          |  (c1_1 @ X0)
% 7.67/1.75          |  (c0_1 @ X0)
% 7.67/1.75          | ~ (c2_1 @ X0)
% 7.67/1.75          | ~ (ndr1_0)
% 7.67/1.75          | ~ (c3_1 @ X1)
% 7.67/1.75          | ~ (c1_1 @ X1)
% 7.67/1.75          | ~ (c0_1 @ X1))),
% 7.67/1.75      inference('cnf', [status(esa)], [zf_stmt_96])).
% 7.67/1.75  thf('106', plain,
% 7.67/1.75      (( (hskp5)) | 
% 7.67/1.75       (![X0 : $i]: (~ (c2_1 @ X0) |  (c1_1 @ X0) |  (c0_1 @ X0))) | 
% 7.67/1.75       (![X0 : $i]: (~ (c1_1 @ X0) | ~ (c0_1 @ X0) | ~ (c3_1 @ X0))) | 
% 7.67/1.75       ~ ( (ndr1_0))),
% 7.67/1.75      inference('split', [status(esa)], [zip_derived_cl177])).
% 7.67/1.75  thf(zip_derived_cl672, plain,
% 7.67/1.75      ((![X1 : $i]: (~ (c3_1 @ X1) |  (c2_1 @ X1) | ~ (c1_1 @ X1)))
% 7.67/1.75         <= ((![X1 : $i]: (~ (c3_1 @ X1) |  (c2_1 @ X1) | ~ (c1_1 @ X1))))),
% 7.67/1.75      inference('split', [status(esa)], [zip_derived_cl181])).
% 7.67/1.75  thf(clause100, conjecture, (~( ( ~( hskp17 ) ) | ( ~( c2_1 @ a248 ) ) ))).
% 7.67/1.75  thf(zf_stmt_97, negated_conjecture, (( ~( hskp17 ) ) | ( ~( c2_1 @ a248 ) )),
% 7.67/1.75    inference('cnf.neg', [status(esa)], [clause100])).
% 7.67/1.75  thf(zip_derived_cl99, plain, ((~ (hskp17) | ~ (c2_1 @ a248))),
% 7.67/1.75      inference('cnf', [status(esa)], [zf_stmt_97])).
% 7.67/1.75  thf(zip_derived_cl405, plain, ((~ (c2_1 @ a248)) <= (~ ( (c2_1 @ a248)))),
% 7.67/1.75      inference('split', [status(esa)], [zip_derived_cl99])).
% 7.67/1.75  thf(zip_derived_cl1698, plain,
% 7.67/1.75      (((~ (c1_1 @ a248) | ~ (c3_1 @ a248)))
% 7.67/1.75         <= (~ ( (c2_1 @ a248)) & 
% 7.67/1.75             (![X1 : $i]: (~ (c3_1 @ X1) |  (c2_1 @ X1) | ~ (c1_1 @ X1))))),
% 7.67/1.75      inference('s_sup-', [status(thm)], [zip_derived_cl672, zip_derived_cl405])).
% 7.67/1.75  thf('107', plain,
% 7.67/1.75      (~ (![X1 : $i]: (~ (c3_1 @ X1) |  (c2_1 @ X1) | ~ (c1_1 @ X1))) | 
% 7.67/1.75       ~ ( (c1_1 @ a248)) | ~ ( (c3_1 @ a248)) | ( (c2_1 @ a248))),
% 7.67/1.75      inference('split', [status(esa)], [zip_derived_cl1698])).
% 7.67/1.75  thf('108', plain, (~ ( (c2_1 @ a248)) | ~ ( (hskp17))),
% 7.67/1.75      inference('split', [status(esa)], [zip_derived_cl99])).
% 7.67/1.75  thf('109', plain,
% 7.67/1.75      ((![X0 : $i]: (~ (c2_1 @ X0) |  (c0_1 @ X0) |  (c3_1 @ X0))) | 
% 7.67/1.75       ( (hskp10)) | ~ ( (ndr1_0)) | 
% 7.67/1.75       (![X1 : $i]: (~ (c2_1 @ X1) | ~ (c0_1 @ X1) |  (c1_1 @ X1)))),
% 7.67/1.75      inference('split', [status(esa)], [zip_derived_cl168])).
% 7.67/1.75  thf(zip_derived_cl621, plain,
% 7.67/1.75      ((![X0 : $i]: (~ (c2_1 @ X0) |  (c0_1 @ X0) |  (c3_1 @ X0)))
% 7.67/1.75         <= ((![X0 : $i]: (~ (c2_1 @ X0) |  (c0_1 @ X0) |  (c3_1 @ X0))))),
% 7.67/1.75      inference('split', [status(esa)], [zip_derived_cl168])).
% 7.67/1.75  thf(zip_derived_cl453, plain, ((~ (c0_1 @ a215)) <= (~ ( (c0_1 @ a215)))),
% 7.67/1.75      inference('split', [status(esa)], [zip_derived_cl123])).
% 7.67/1.75  thf(zip_derived_cl2251, plain,
% 7.67/1.75      ((( (c3_1 @ a215) | ~ (c2_1 @ a215)))
% 7.67/1.75         <= (~ ( (c0_1 @ a215)) & 
% 7.67/1.75             (![X0 : $i]: (~ (c2_1 @ X0) |  (c0_1 @ X0) |  (c3_1 @ X0))))),
% 7.67/1.75      inference('s_sup-', [status(thm)], [zip_derived_cl621, zip_derived_cl453])).
% 7.67/1.75  thf('110', plain,
% 7.67/1.75      (( (c3_1 @ a215)) | 
% 7.67/1.75       ~ (![X0 : $i]: (~ (c2_1 @ X0) |  (c0_1 @ X0) |  (c3_1 @ X0))) | 
% 7.67/1.75       ( (c0_1 @ a215)) | ~ ( (c2_1 @ a215))),
% 7.67/1.75      inference('split', [status(esa)], [zip_derived_cl2251])).
% 7.67/1.75  thf(zip_derived_cl492, plain,
% 7.67/1.75      ((![X0 : $i]: (~ (c2_1 @ X0) |  (c1_1 @ X0) |  (c0_1 @ X0)))
% 7.67/1.75         <= ((![X0 : $i]: (~ (c2_1 @ X0) |  (c1_1 @ X0) |  (c0_1 @ X0))))),
% 7.67/1.75      inference('split', [status(esa)], [zip_derived_cl136])).
% 7.67/1.75  thf(zip_derived_cl453, plain, ((~ (c0_1 @ a215)) <= (~ ( (c0_1 @ a215)))),
% 7.67/1.75      inference('split', [status(esa)], [zip_derived_cl123])).
% 7.67/1.75  thf(zip_derived_cl1548, plain,
% 7.67/1.75      ((( (c1_1 @ a215) | ~ (c2_1 @ a215)))
% 7.67/1.75         <= (~ ( (c0_1 @ a215)) & 
% 7.67/1.75             (![X0 : $i]: (~ (c2_1 @ X0) |  (c1_1 @ X0) |  (c0_1 @ X0))))),
% 7.67/1.75      inference('s_sup-', [status(thm)], [zip_derived_cl492, zip_derived_cl453])).
% 7.67/1.75  thf('111', plain,
% 7.67/1.75      (~ ( (c2_1 @ a215)) | ( (c0_1 @ a215)) | 
% 7.67/1.75       ~ (![X0 : $i]: (~ (c2_1 @ X0) |  (c1_1 @ X0) |  (c0_1 @ X0))) | 
% 7.67/1.75       ( (c1_1 @ a215))),
% 7.67/1.75      inference('split', [status(esa)], [zip_derived_cl1548])).
% 7.67/1.75  thf('112', plain, (~ ( (c0_1 @ a215)) | ~ ( (hskp2))),
% 7.67/1.75      inference('split', [status(esa)], [zip_derived_cl123])).
% 7.67/1.75  thf(zip_derived_cl612, plain,
% 7.67/1.75      ((![X1 : $i]: (~ (c2_1 @ X1) | ~ (c0_1 @ X1) |  (c1_1 @ X1)))
% 7.67/1.75         <= ((![X1 : $i]: (~ (c2_1 @ X1) | ~ (c0_1 @ X1) |  (c1_1 @ X1))))),
% 7.67/1.75      inference('split', [status(esa)], [zip_derived_cl166])).
% 7.67/1.75  thf(zip_derived_cl333, plain, (( (c0_1 @ a245)) <= (( (c0_1 @ a245)))),
% 7.67/1.75      inference('split', [status(esa)], [zip_derived_cl63])).
% 7.67/1.75  thf(zip_derived_cl1212, plain,
% 7.67/1.75      ((( (c1_1 @ a245) | ~ (c2_1 @ a245)))
% 7.67/1.75         <= (( (c0_1 @ a245)) & 
% 7.67/1.75             (![X1 : $i]: (~ (c2_1 @ X1) | ~ (c0_1 @ X1) |  (c1_1 @ X1))))),
% 7.67/1.75      inference('s_sup+', [status(thm)], [zip_derived_cl612, zip_derived_cl333])).
% 7.67/1.75  thf('113', plain,
% 7.67/1.75      (~ (![X1 : $i]: (~ (c2_1 @ X1) | ~ (c0_1 @ X1) |  (c1_1 @ X1))) | 
% 7.67/1.75       ~ ( (c2_1 @ a245)) | ~ ( (c0_1 @ a245)) | ( (c1_1 @ a245))),
% 7.67/1.75      inference('split', [status(esa)], [zip_derived_cl1212])).
% 7.67/1.75  thf(clause143, conjecture,
% 7.67/1.75    (~( ( hskp21 ) | ( hskp12 ) | ( c3_1 @ U ) | ( c1_1 @ U ) | 
% 7.67/1.75        ( ~( ndr1_0 ) ) | ( ~( c2_1 @ U ) ) ))).
% 7.67/1.75  thf(zf_stmt_98, negated_conjecture,
% 7.67/1.75    (( hskp21 ) | ( hskp12 ) | ( c3_1 @ U ) | ( c1_1 @ U ) | ( ~( ndr1_0 ) ) | 
% 7.67/1.75     ( ~( c2_1 @ U ) )),
% 7.67/1.75    inference('cnf.neg', [status(esa)], [clause143])).
% 7.67/1.75  thf(zip_derived_cl142, plain,
% 7.67/1.75      (![X0 : $i]:
% 7.67/1.75         ( (hskp21)
% 7.67/1.75          |  (hskp12)
% 7.67/1.75          |  (c3_1 @ X0)
% 7.67/1.75          |  (c1_1 @ X0)
% 7.67/1.75          | ~ (ndr1_0)
% 7.67/1.75          | ~ (c2_1 @ X0))),
% 7.67/1.75      inference('cnf', [status(esa)], [zf_stmt_98])).
% 7.67/1.75  thf(zip_derived_cl516, plain,
% 7.67/1.75      ((![X0 : $i]: (~ (c2_1 @ X0) |  (c1_1 @ X0) |  (c3_1 @ X0)))
% 7.67/1.75         <= ((![X0 : $i]: (~ (c2_1 @ X0) |  (c1_1 @ X0) |  (c3_1 @ X0))))),
% 7.67/1.75      inference('split', [status(esa)], [zip_derived_cl142])).
% 7.67/1.75  thf(clause61, conjecture, (~( ( c2_1 @ a252 ) | ( ~( hskp18 ) ) ))).
% 7.67/1.75  thf(zf_stmt_99, negated_conjecture, (( c2_1 @ a252 ) | ( ~( hskp18 ) )),
% 7.67/1.75    inference('cnf.neg', [status(esa)], [clause61])).
% 7.67/1.75  thf(zip_derived_cl60, plain, (( (c2_1 @ a252) | ~ (hskp18))),
% 7.67/1.75      inference('cnf', [status(esa)], [zf_stmt_99])).
% 7.67/1.75  thf(zip_derived_cl327, plain, (( (c2_1 @ a252)) <= (( (c2_1 @ a252)))),
% 7.67/1.75      inference('split', [status(esa)], [zip_derived_cl60])).
% 7.67/1.75  thf(zip_derived_cl1842, plain,
% 7.67/1.75      ((( (c3_1 @ a252) |  (c1_1 @ a252)))
% 7.67/1.75         <= (( (c2_1 @ a252)) & 
% 7.67/1.75             (![X0 : $i]: (~ (c2_1 @ X0) |  (c1_1 @ X0) |  (c3_1 @ X0))))),
% 7.67/1.75      inference('s_sup+', [status(thm)], [zip_derived_cl516, zip_derived_cl327])).
% 7.67/1.75  thf('114', plain,
% 7.67/1.75      (( (c3_1 @ a252)) | 
% 7.67/1.75       ~ (![X0 : $i]: (~ (c2_1 @ X0) |  (c1_1 @ X0) |  (c3_1 @ X0))) | 
% 7.67/1.75       ( (c1_1 @ a252)) | ~ ( (c2_1 @ a252))),
% 7.67/1.75      inference('split', [status(esa)], [zip_derived_cl1842])).
% 7.67/1.75  thf(zip_derived_cl548, plain,
% 7.67/1.75      ((![X0 : $i]: (~ (c2_1 @ X0) |  (c1_1 @ X0) | ~ (c3_1 @ X0)))
% 7.67/1.75         <= ((![X0 : $i]: (~ (c2_1 @ X0) |  (c1_1 @ X0) | ~ (c3_1 @ X0))))),
% 7.67/1.75      inference('split', [status(esa)], [zip_derived_cl150])).
% 7.67/1.75  thf(zip_derived_cl327, plain, (( (c2_1 @ a252)) <= (( (c2_1 @ a252)))),
% 7.67/1.75      inference('split', [status(esa)], [zip_derived_cl60])).
% 7.67/1.75  thf(zip_derived_cl1071, plain,
% 7.67/1.75      (((~ (c3_1 @ a252) |  (c1_1 @ a252)))
% 7.67/1.75         <= (( (c2_1 @ a252)) & 
% 7.67/1.75             (![X0 : $i]: (~ (c2_1 @ X0) |  (c1_1 @ X0) | ~ (c3_1 @ X0))))),
% 7.67/1.75      inference('s_sup+', [status(thm)], [zip_derived_cl548, zip_derived_cl327])).
% 7.67/1.75  thf('115', plain,
% 7.67/1.75      (~ (![X0 : $i]: (~ (c2_1 @ X0) |  (c1_1 @ X0) | ~ (c3_1 @ X0))) | 
% 7.67/1.75       ~ ( (c3_1 @ a252)) | ( (c1_1 @ a252)) | ~ ( (c2_1 @ a252))),
% 7.67/1.75      inference('split', [status(esa)], [zip_derived_cl1071])).
% 7.67/1.75  thf(zip_derived_cl548, plain,
% 7.67/1.75      ((![X0 : $i]: (~ (c2_1 @ X0) |  (c1_1 @ X0) | ~ (c3_1 @ X0)))
% 7.67/1.75         <= ((![X0 : $i]: (~ (c2_1 @ X0) |  (c1_1 @ X0) | ~ (c3_1 @ X0))))),
% 7.67/1.75      inference('split', [status(esa)], [zip_derived_cl150])).
% 7.67/1.75  thf(clause83, conjecture, (~( ( c2_1 @ a215 ) | ( ~( hskp2 ) ) ))).
% 7.67/1.75  thf(zf_stmt_100, negated_conjecture, (( c2_1 @ a215 ) | ( ~( hskp2 ) )),
% 7.67/1.75    inference('cnf.neg', [status(esa)], [clause83])).
% 7.67/1.75  thf(zip_derived_cl82, plain, (( (c2_1 @ a215) | ~ (hskp2))),
% 7.67/1.75      inference('cnf', [status(esa)], [zf_stmt_100])).
% 7.67/1.75  thf(zip_derived_cl371, plain, (( (c2_1 @ a215)) <= (( (c2_1 @ a215)))),
% 7.67/1.75      inference('split', [status(esa)], [zip_derived_cl82])).
% 7.67/1.75  thf(zip_derived_cl1076, plain,
% 7.67/1.75      (((~ (c3_1 @ a215) |  (c1_1 @ a215)))
% 7.67/1.75         <= (( (c2_1 @ a215)) & 
% 7.67/1.75             (![X0 : $i]: (~ (c2_1 @ X0) |  (c1_1 @ X0) | ~ (c3_1 @ X0))))),
% 7.67/1.75      inference('s_sup+', [status(thm)], [zip_derived_cl548, zip_derived_cl371])).
% 7.67/1.75  thf('116', plain,
% 7.67/1.75      (~ ( (c3_1 @ a215)) | 
% 7.67/1.75       ~ (![X0 : $i]: (~ (c2_1 @ X0) |  (c1_1 @ X0) | ~ (c3_1 @ X0))) | 
% 7.67/1.75       ~ ( (c2_1 @ a215)) | ( (c1_1 @ a215))),
% 7.67/1.75      inference('split', [status(esa)], [zip_derived_cl1076])).
% 7.67/1.75  thf('117', plain, (( (c2_1 @ a215)) | ~ ( (hskp2))),
% 7.67/1.75      inference('split', [status(esa)], [zip_derived_cl82])).
% 7.67/1.75  thf(clause125, conjecture, (~( ( ~( hskp2 ) ) | ( ~( c1_1 @ a215 ) ) ))).
% 7.67/1.75  thf(zf_stmt_101, negated_conjecture, (( ~( hskp2 ) ) | ( ~( c1_1 @ a215 ) )),
% 7.67/1.75    inference('cnf.neg', [status(esa)], [clause125])).
% 7.67/1.75  thf(zip_derived_cl124, plain, ((~ (hskp2) | ~ (c1_1 @ a215))),
% 7.67/1.75      inference('cnf', [status(esa)], [zf_stmt_101])).
% 7.67/1.75  thf('118', plain, (~ ( (c1_1 @ a215)) | ~ ( (hskp2))),
% 7.67/1.75      inference('split', [status(esa)], [zip_derived_cl124])).
% 7.67/1.75  thf(zip_derived_cl516, plain,
% 7.67/1.75      ((![X0 : $i]: (~ (c2_1 @ X0) |  (c1_1 @ X0) |  (c3_1 @ X0)))
% 7.67/1.75         <= ((![X0 : $i]: (~ (c2_1 @ X0) |  (c1_1 @ X0) |  (c3_1 @ X0))))),
% 7.67/1.75      inference('split', [status(esa)], [zip_derived_cl142])).
% 7.67/1.75  thf(zip_derived_cl371, plain, (( (c2_1 @ a215)) <= (( (c2_1 @ a215)))),
% 7.67/1.75      inference('split', [status(esa)], [zip_derived_cl82])).
% 7.67/1.75  thf(zip_derived_cl1847, plain,
% 7.67/1.75      ((( (c3_1 @ a215) |  (c1_1 @ a215)))
% 7.67/1.75         <= (( (c2_1 @ a215)) & 
% 7.67/1.75             (![X0 : $i]: (~ (c2_1 @ X0) |  (c1_1 @ X0) |  (c3_1 @ X0))))),
% 7.67/1.75      inference('s_sup+', [status(thm)], [zip_derived_cl516, zip_derived_cl371])).
% 7.67/1.75  thf('119', plain,
% 7.67/1.75      (( (c3_1 @ a215)) | ~ ( (c2_1 @ a215)) | 
% 7.67/1.75       ~ (![X0 : $i]: (~ (c2_1 @ X0) |  (c1_1 @ X0) |  (c3_1 @ X0))) | 
% 7.67/1.75       ( (c1_1 @ a215))),
% 7.67/1.75      inference('split', [status(esa)], [zip_derived_cl1847])).
% 7.67/1.75  thf(clause37, conjecture, (~( ( hskp17 ) | ( hskp27 ) | ( hskp18 ) ))).
% 7.67/1.75  thf(zf_stmt_102, negated_conjecture, (( hskp17 ) | ( hskp27 ) | ( hskp18 )),
% 7.67/1.75    inference('cnf.neg', [status(esa)], [clause37])).
% 7.67/1.75  thf(zip_derived_cl36, plain, (( (hskp17) |  (hskp27) |  (hskp18))),
% 7.67/1.75      inference('cnf', [status(esa)], [zf_stmt_102])).
% 7.67/1.75  thf('120', plain, (( (hskp17)) | ( (hskp27)) | ( (hskp18))),
% 7.67/1.75      inference('split', [status(esa)], [zip_derived_cl36])).
% 7.67/1.75  thf('121', plain,
% 7.67/1.75      (( (hskp27)) | ( (hskp2)) | 
% 7.67/1.75       (![X0 : $i]: (~ (c1_1 @ X0) | ~ (c0_1 @ X0) | ~ (c3_1 @ X0))) | 
% 7.67/1.75       ~ ( (ndr1_0))),
% 7.67/1.75      inference('split', [status(esa)], [zip_derived_cl153])).
% 7.67/1.75  thf(clause62, conjecture, (~( ( c1_1 @ a248 ) | ( ~( hskp17 ) ) ))).
% 7.67/1.75  thf(zf_stmt_103, negated_conjecture, (( c1_1 @ a248 ) | ( ~( hskp17 ) )),
% 7.67/1.75    inference('cnf.neg', [status(esa)], [clause62])).
% 7.67/1.75  thf(zip_derived_cl61, plain, (( (c1_1 @ a248) | ~ (hskp17))),
% 7.67/1.75      inference('cnf', [status(esa)], [zf_stmt_103])).
% 7.67/1.75  thf('122', plain, (( (c1_1 @ a248)) | ~ ( (hskp17))),
% 7.67/1.75      inference('split', [status(esa)], [zip_derived_cl61])).
% 7.67/1.75  thf(clause63, conjecture, (~( ( c3_1 @ a248 ) | ( ~( hskp17 ) ) ))).
% 7.67/1.75  thf(zf_stmt_104, negated_conjecture, (( c3_1 @ a248 ) | ( ~( hskp17 ) )),
% 7.67/1.75    inference('cnf.neg', [status(esa)], [clause63])).
% 7.67/1.75  thf(zip_derived_cl62, plain, (( (c3_1 @ a248) | ~ (hskp17))),
% 7.67/1.75      inference('cnf', [status(esa)], [zf_stmt_104])).
% 7.67/1.75  thf('123', plain, (( (c3_1 @ a248)) | ~ ( (hskp17))),
% 7.67/1.75      inference('split', [status(esa)], [zip_derived_cl62])).
% 7.67/1.75  thf(zip_derived_cl1500, plain,
% 7.67/1.75      ((![X0 : $i]: (~ (c1_1 @ X0) | ~ (c3_1 @ X0)))
% 7.67/1.75         <= ((![X0 : $i]: (~ (c1_1 @ X0) |  (c0_1 @ X0) | ~ (c3_1 @ X0))) & 
% 7.67/1.75             (![X0 : $i]: (~ (c1_1 @ X0) | ~ (c0_1 @ X0) | ~ (c3_1 @ X0))))),
% 7.67/1.75      inference('simplify', [status(thm)], [zip_derived_cl1492])).
% 7.67/1.75  thf(zip_derived_cl329, plain, (( (c1_1 @ a248)) <= (( (c1_1 @ a248)))),
% 7.67/1.75      inference('split', [status(esa)], [zip_derived_cl61])).
% 7.67/1.75  thf(zip_derived_cl2356, plain,
% 7.67/1.75      ((~ (c3_1 @ a248))
% 7.67/1.75         <= (( (c1_1 @ a248)) & 
% 7.67/1.75             (![X0 : $i]: (~ (c1_1 @ X0) |  (c0_1 @ X0) | ~ (c3_1 @ X0))) & 
% 7.67/1.75             (![X0 : $i]: (~ (c1_1 @ X0) | ~ (c0_1 @ X0) | ~ (c3_1 @ X0))))),
% 7.67/1.75      inference('s_sup+', [status(thm)],
% 7.67/1.75                [zip_derived_cl1500, zip_derived_cl329])).
% 7.67/1.75  thf(zip_derived_cl331, plain, (( (c3_1 @ a248)) <= (( (c3_1 @ a248)))),
% 7.67/1.75      inference('split', [status(esa)], [zip_derived_cl62])).
% 7.67/1.75  thf('124', plain,
% 7.67/1.75      (~ (![X0 : $i]: (~ (c1_1 @ X0) | ~ (c0_1 @ X0) | ~ (c3_1 @ X0))) | 
% 7.67/1.75       ~ ( (c1_1 @ a248)) | 
% 7.67/1.75       ~ (![X0 : $i]: (~ (c1_1 @ X0) |  (c0_1 @ X0) | ~ (c3_1 @ X0))) | 
% 7.67/1.75       ~ ( (c3_1 @ a248))),
% 7.67/1.75      inference('s_sup+', [status(thm)],
% 7.67/1.75                [zip_derived_cl2356, zip_derived_cl331])).
% 7.67/1.75  thf(clause146, conjecture,
% 7.67/1.75    (~( ( hskp17 ) | ( hskp10 ) | ( c0_1 @ U ) | ( ~( ndr1_0 ) ) | 
% 7.67/1.75        ( ~( c2_1 @ U ) ) | ( ~( c1_1 @ U ) ) ))).
% 7.67/1.75  thf(zf_stmt_105, negated_conjecture,
% 7.67/1.75    (( hskp17 ) | ( hskp10 ) | ( c0_1 @ U ) | ( ~( ndr1_0 ) ) | 
% 7.67/1.75     ( ~( c2_1 @ U ) ) | ( ~( c1_1 @ U ) )),
% 7.67/1.75    inference('cnf.neg', [status(esa)], [clause146])).
% 7.67/1.75  thf(zip_derived_cl145, plain,
% 7.67/1.75      (![X0 : $i]:
% 7.67/1.75         ( (hskp17)
% 7.67/1.75          |  (hskp10)
% 7.67/1.75          |  (c0_1 @ X0)
% 7.67/1.75          | ~ (ndr1_0)
% 7.67/1.75          | ~ (c2_1 @ X0)
% 7.67/1.75          | ~ (c1_1 @ X0))),
% 7.67/1.75      inference('cnf', [status(esa)], [zf_stmt_105])).
% 7.67/1.75  thf('125', plain,
% 7.67/1.75      (( (hskp17)) | 
% 7.67/1.75       (![X0 : $i]: (~ (c2_1 @ X0) | ~ (c1_1 @ X0) |  (c0_1 @ X0))) | 
% 7.67/1.75       ~ ( (ndr1_0)) | ( (hskp10))),
% 7.67/1.75      inference('split', [status(esa)], [zip_derived_cl145])).
% 7.67/1.75  thf('126', plain, (( (c1_1 @ a261)) | ~ ( (hskp27))),
% 7.67/1.75      inference('split', [status(esa)], [zip_derived_cl45])).
% 7.67/1.75  thf('127', plain, (( (c2_1 @ a261)) | ~ ( (hskp27))),
% 7.67/1.75      inference('split', [status(esa)], [zip_derived_cl46])).
% 7.67/1.75  thf('128', plain, (( (c3_1 @ a261)) | ~ ( (hskp27))),
% 7.67/1.75      inference('split', [status(esa)], [zip_derived_cl47])).
% 7.67/1.75  thf(zip_derived_cl299, plain, (( (c2_1 @ a261)) <= (( (c2_1 @ a261)))),
% 7.67/1.75      inference('split', [status(esa)], [zip_derived_cl46])).
% 7.67/1.75  thf(zip_derived_cl568, plain,
% 7.67/1.75      ((![X0 : $i]: (~ (c2_1 @ X0) | ~ (c1_1 @ X0) | ~ (c3_1 @ X0)))
% 7.67/1.75         <= ((![X0 : $i]: (~ (c2_1 @ X0) | ~ (c1_1 @ X0) | ~ (c3_1 @ X0))))),
% 7.67/1.75      inference('split', [status(esa)], [zip_derived_cl155])).
% 7.67/1.75  thf(zip_derived_cl825, plain,
% 7.67/1.75      (((~ (c1_1 @ a261) | ~ (c3_1 @ a261)))
% 7.67/1.75         <= (( (c2_1 @ a261)) & 
% 7.67/1.75             (![X0 : $i]: (~ (c2_1 @ X0) | ~ (c1_1 @ X0) | ~ (c3_1 @ X0))))),
% 7.67/1.75      inference('s_sup-', [status(thm)], [zip_derived_cl299, zip_derived_cl568])).
% 7.67/1.75  thf('129', plain,
% 7.67/1.75      (~ ( (c1_1 @ a261)) | ~ ( (c3_1 @ a261)) | 
% 7.67/1.75       ~ (![X0 : $i]: (~ (c2_1 @ X0) | ~ (c1_1 @ X0) | ~ (c3_1 @ X0))) | 
% 7.67/1.75       ~ ( (c2_1 @ a261))),
% 7.67/1.75      inference('split', [status(esa)], [zip_derived_cl825])).
% 7.67/1.75  thf(zip_derived_cl500, plain,
% 7.67/1.75      ((![X0 : $i]: ( (c1_1 @ X0) |  (c0_1 @ X0) | ~ (c3_1 @ X0)))
% 7.67/1.75         <= ((![X0 : $i]: ( (c1_1 @ X0) |  (c0_1 @ X0) | ~ (c3_1 @ X0))))),
% 7.67/1.75      inference('split', [status(esa)], [zip_derived_cl138])).
% 7.67/1.75  thf(clause86, conjecture, (~( ( ~( hskp25 ) ) | ( ~( c0_1 @ a320 ) ) ))).
% 7.67/1.75  thf(zf_stmt_106, negated_conjecture,
% 7.67/1.75    (( ~( hskp25 ) ) | ( ~( c0_1 @ a320 ) )),
% 7.67/1.75    inference('cnf.neg', [status(esa)], [clause86])).
% 7.67/1.75  thf(zip_derived_cl85, plain, ((~ (hskp25) | ~ (c0_1 @ a320))),
% 7.67/1.75      inference('cnf', [status(esa)], [zf_stmt_106])).
% 7.67/1.75  thf(zip_derived_cl377, plain, ((~ (c0_1 @ a320)) <= (~ ( (c0_1 @ a320)))),
% 7.67/1.75      inference('split', [status(esa)], [zip_derived_cl85])).
% 7.67/1.75  thf(zip_derived_cl1654, plain,
% 7.67/1.75      (((~ (c3_1 @ a320) |  (c1_1 @ a320)))
% 7.67/1.75         <= (~ ( (c0_1 @ a320)) & 
% 7.67/1.75             (![X0 : $i]: ( (c1_1 @ X0) |  (c0_1 @ X0) | ~ (c3_1 @ X0))))),
% 7.67/1.75      inference('s_sup-', [status(thm)], [zip_derived_cl500, zip_derived_cl377])).
% 7.67/1.75  thf('130', plain,
% 7.67/1.75      (( (c1_1 @ a320)) | ( (c0_1 @ a320)) | 
% 7.67/1.75       ~ (![X0 : $i]: ( (c1_1 @ X0) |  (c0_1 @ X0) | ~ (c3_1 @ X0))) | 
% 7.67/1.75       ~ ( (c3_1 @ a320))),
% 7.67/1.75      inference('split', [status(esa)], [zip_derived_cl1654])).
% 7.67/1.75  thf(clause52, conjecture, (~( ( c2_1 @ a320 ) | ( ~( hskp25 ) ) ))).
% 7.67/1.75  thf(zf_stmt_107, negated_conjecture, (( c2_1 @ a320 ) | ( ~( hskp25 ) )),
% 7.67/1.75    inference('cnf.neg', [status(esa)], [clause52])).
% 7.67/1.75  thf(zip_derived_cl51, plain, (( (c2_1 @ a320) | ~ (hskp25))),
% 7.67/1.75      inference('cnf', [status(esa)], [zf_stmt_107])).
% 7.67/1.75  thf('131', plain, (( (c2_1 @ a320)) | ~ ( (hskp25))),
% 7.67/1.75      inference('split', [status(esa)], [zip_derived_cl51])).
% 7.67/1.75  thf('132', plain, (~ ( (c0_1 @ a320)) | ~ ( (hskp25))),
% 7.67/1.75      inference('split', [status(esa)], [zip_derived_cl85])).
% 7.67/1.75  thf(zip_derived_cl309, plain, (( (c2_1 @ a320)) <= (( (c2_1 @ a320)))),
% 7.67/1.75      inference('split', [status(esa)], [zip_derived_cl51])).
% 7.67/1.75  thf(zip_derived_cl568, plain,
% 7.67/1.75      ((![X0 : $i]: (~ (c2_1 @ X0) | ~ (c1_1 @ X0) | ~ (c3_1 @ X0)))
% 7.67/1.75         <= ((![X0 : $i]: (~ (c2_1 @ X0) | ~ (c1_1 @ X0) | ~ (c3_1 @ X0))))),
% 7.67/1.75      inference('split', [status(esa)], [zip_derived_cl155])).
% 7.67/1.75  thf(zip_derived_cl860, plain,
% 7.67/1.75      (((~ (c1_1 @ a320) | ~ (c3_1 @ a320)))
% 7.67/1.75         <= (( (c2_1 @ a320)) & 
% 7.67/1.75             (![X0 : $i]: (~ (c2_1 @ X0) | ~ (c1_1 @ X0) | ~ (c3_1 @ X0))))),
% 7.67/1.75      inference('s_sup-', [status(thm)], [zip_derived_cl309, zip_derived_cl568])).
% 7.67/1.75  thf('133', plain,
% 7.67/1.75      (~ ( (c2_1 @ a320)) | ~ ( (c1_1 @ a320)) | 
% 7.67/1.75       ~ (![X0 : $i]: (~ (c2_1 @ X0) | ~ (c1_1 @ X0) | ~ (c3_1 @ X0))) | 
% 7.67/1.75       ~ ( (c3_1 @ a320))),
% 7.67/1.75      inference('split', [status(esa)], [zip_derived_cl860])).
% 7.67/1.75  thf(clause67, conjecture, (~( ( c2_1 @ a239 ) | ( ~( hskp13 ) ) ))).
% 7.67/1.75  thf(zf_stmt_108, negated_conjecture, (( c2_1 @ a239 ) | ( ~( hskp13 ) )),
% 7.67/1.75    inference('cnf.neg', [status(esa)], [clause67])).
% 7.67/1.75  thf(zip_derived_cl66, plain, (( (c2_1 @ a239) | ~ (hskp13))),
% 7.67/1.75      inference('cnf', [status(esa)], [zf_stmt_108])).
% 7.67/1.75  thf('134', plain, (~ ( (hskp13)) | ( (c2_1 @ a239))),
% 7.67/1.75      inference('split', [status(esa)], [zip_derived_cl66])).
% 7.67/1.75  thf(clause68, conjecture, (~( ( c3_1 @ a239 ) | ( ~( hskp13 ) ) ))).
% 7.67/1.75  thf(zf_stmt_109, negated_conjecture, (( c3_1 @ a239 ) | ( ~( hskp13 ) )),
% 7.67/1.75    inference('cnf.neg', [status(esa)], [clause68])).
% 7.67/1.75  thf(zip_derived_cl67, plain, (( (c3_1 @ a239) | ~ (hskp13))),
% 7.67/1.75      inference('cnf', [status(esa)], [zf_stmt_109])).
% 7.67/1.75  thf('135', plain, (~ ( (hskp13)) | ( (c3_1 @ a239))),
% 7.67/1.75      inference('split', [status(esa)], [zip_derived_cl67])).
% 7.67/1.75  thf(clause107, conjecture, (~( ( ~( hskp13 ) ) | ( ~( c1_1 @ a239 ) ) ))).
% 7.67/1.75  thf(zf_stmt_110, negated_conjecture,
% 7.67/1.75    (( ~( hskp13 ) ) | ( ~( c1_1 @ a239 ) )),
% 7.67/1.75    inference('cnf.neg', [status(esa)], [clause107])).
% 7.67/1.75  thf(zip_derived_cl106, plain, ((~ (hskp13) | ~ (c1_1 @ a239))),
% 7.67/1.75      inference('cnf', [status(esa)], [zf_stmt_110])).
% 7.67/1.75  thf('136', plain, (~ ( (hskp13)) | ~ ( (c1_1 @ a239))),
% 7.67/1.75      inference('split', [status(esa)], [zip_derived_cl106])).
% 7.67/1.75  thf(zip_derived_cl548, plain,
% 7.67/1.75      ((![X0 : $i]: (~ (c2_1 @ X0) |  (c1_1 @ X0) | ~ (c3_1 @ X0)))
% 7.67/1.75         <= ((![X0 : $i]: (~ (c2_1 @ X0) |  (c1_1 @ X0) | ~ (c3_1 @ X0))))),
% 7.67/1.75      inference('split', [status(esa)], [zip_derived_cl150])).
% 7.67/1.75  thf(zip_derived_cl339, plain, (( (c2_1 @ a239)) <= (( (c2_1 @ a239)))),
% 7.67/1.75      inference('split', [status(esa)], [zip_derived_cl66])).
% 7.67/1.75  thf(zip_derived_cl1072, plain,
% 7.67/1.75      (((~ (c3_1 @ a239) |  (c1_1 @ a239)))
% 7.67/1.75         <= (( (c2_1 @ a239)) & 
% 7.67/1.75             (![X0 : $i]: (~ (c2_1 @ X0) |  (c1_1 @ X0) | ~ (c3_1 @ X0))))),
% 7.67/1.75      inference('s_sup+', [status(thm)], [zip_derived_cl548, zip_derived_cl339])).
% 7.67/1.75  thf('137', plain,
% 7.67/1.75      (( (c1_1 @ a239)) | ~ ( (c2_1 @ a239)) | 
% 7.67/1.75       ~ (![X0 : $i]: (~ (c2_1 @ X0) |  (c1_1 @ X0) | ~ (c3_1 @ X0))) | 
% 7.67/1.75       ~ ( (c3_1 @ a239))),
% 7.67/1.75      inference('split', [status(esa)], [zip_derived_cl1072])).
% 7.67/1.75  thf(clause191, conjecture,
% 7.67/1.75    (~( ( c3_1 @ W ) | ( c1_1 @ W ) | ( c3_1 @ V ) | ( c1_1 @ V ) | 
% 7.67/1.75        ( c2_1 @ U ) | ( ~( c0_1 @ W ) ) | ( ~( c2_1 @ V ) ) | 
% 7.67/1.75        ( ~( ndr1_0 ) ) | ( ~( c3_1 @ U ) ) | ( ~( c0_1 @ U ) ) ))).
% 7.67/1.75  thf(zf_stmt_111, negated_conjecture,
% 7.67/1.75    (( c3_1 @ W ) | ( c1_1 @ W ) | ( c3_1 @ V ) | ( c1_1 @ V ) | 
% 7.67/1.75     ( c2_1 @ U ) | ( ~( c0_1 @ W ) ) | ( ~( c2_1 @ V ) ) | ( ~( ndr1_0 ) ) | 
% 7.67/1.75     ( ~( c3_1 @ U ) ) | ( ~( c0_1 @ U ) )),
% 7.67/1.75    inference('cnf.neg', [status(esa)], [clause191])).
% 7.67/1.75  thf(zip_derived_cl190, plain,
% 7.67/1.75      (![X0 : $i, X1 : $i, X2 : $i]:
% 7.67/1.75         ( (c3_1 @ X0)
% 7.67/1.75          |  (c1_1 @ X0)
% 7.67/1.75          |  (c3_1 @ X1)
% 7.67/1.75          |  (c1_1 @ X1)
% 7.67/1.75          |  (c2_1 @ X2)
% 7.67/1.75          | ~ (c0_1 @ X0)
% 7.67/1.75          | ~ (c2_1 @ X1)
% 7.67/1.75          | ~ (ndr1_0)
% 7.67/1.75          | ~ (c3_1 @ X2)
% 7.67/1.75          | ~ (c0_1 @ X2))),
% 7.67/1.75      inference('cnf', [status(esa)], [zf_stmt_111])).
% 7.67/1.75  thf('138', plain,
% 7.67/1.75      ((![X0 : $i]: (~ (c2_1 @ X0) |  (c1_1 @ X0) |  (c3_1 @ X0))) | 
% 7.67/1.75       (![X1 : $i]: ( (c3_1 @ X1) | ~ (c0_1 @ X1) |  (c1_1 @ X1))) | 
% 7.67/1.75       (![X0 : $i]: ( (c2_1 @ X0) | ~ (c0_1 @ X0) | ~ (c3_1 @ X0))) | 
% 7.67/1.75       ~ ( (ndr1_0))),
% 7.67/1.75      inference('split', [status(esa)], [zip_derived_cl190])).
% 7.67/1.75  thf(clause73, conjecture, (~( ( c3_1 @ a231 ) | ( ~( hskp10 ) ) ))).
% 7.67/1.75  thf(zf_stmt_112, negated_conjecture, (( c3_1 @ a231 ) | ( ~( hskp10 ) )),
% 7.67/1.75    inference('cnf.neg', [status(esa)], [clause73])).
% 7.67/1.75  thf(zip_derived_cl72, plain, (( (c3_1 @ a231) | ~ (hskp10))),
% 7.67/1.75      inference('cnf', [status(esa)], [zf_stmt_112])).
% 7.67/1.75  thf('139', plain, (( (c3_1 @ a231)) | ~ ( (hskp10))),
% 7.67/1.75      inference('split', [status(esa)], [zip_derived_cl72])).
% 7.67/1.75  thf(clause72, conjecture, (~( ( c1_1 @ a231 ) | ( ~( hskp10 ) ) ))).
% 7.67/1.75  thf(zf_stmt_113, negated_conjecture, (( c1_1 @ a231 ) | ( ~( hskp10 ) )),
% 7.67/1.75    inference('cnf.neg', [status(esa)], [clause72])).
% 7.67/1.75  thf(zip_derived_cl71, plain, (( (c1_1 @ a231) | ~ (hskp10))),
% 7.67/1.75      inference('cnf', [status(esa)], [zf_stmt_113])).
% 7.67/1.75  thf('140', plain, (( (c1_1 @ a231)) | ~ ( (hskp10))),
% 7.67/1.75      inference('split', [status(esa)], [zip_derived_cl71])).
% 7.67/1.75  thf('141', plain, (~ ( (c0_1 @ a231)) | ~ ( (hskp10))),
% 7.67/1.75      inference('split', [status(esa)], [zip_derived_cl110])).
% 7.67/1.75  thf(zip_derived_cl532, plain,
% 7.67/1.75      ((![X0 : $i]: (~ (c1_1 @ X0) |  (c0_1 @ X0) | ~ (c3_1 @ X0)))
% 7.67/1.75         <= ((![X0 : $i]: (~ (c1_1 @ X0) |  (c0_1 @ X0) | ~ (c3_1 @ X0))))),
% 7.67/1.75      inference('split', [status(esa)], [zip_derived_cl146])).
% 7.67/1.75  thf(zip_derived_cl427, plain, ((~ (c0_1 @ a231)) <= (~ ( (c0_1 @ a231)))),
% 7.67/1.75      inference('split', [status(esa)], [zip_derived_cl110])).
% 7.67/1.75  thf(zip_derived_cl1482, plain,
% 7.67/1.75      (((~ (c3_1 @ a231) | ~ (c1_1 @ a231)))
% 7.67/1.75         <= (~ ( (c0_1 @ a231)) & 
% 7.67/1.75             (![X0 : $i]: (~ (c1_1 @ X0) |  (c0_1 @ X0) | ~ (c3_1 @ X0))))),
% 7.67/1.75      inference('s_sup-', [status(thm)], [zip_derived_cl532, zip_derived_cl427])).
% 7.67/1.75  thf('142', plain,
% 7.67/1.75      (~ (![X0 : $i]: (~ (c1_1 @ X0) |  (c0_1 @ X0) | ~ (c3_1 @ X0))) | 
% 7.67/1.75       ~ ( (c1_1 @ a231)) | ( (c0_1 @ a231)) | ~ ( (c3_1 @ a231))),
% 7.67/1.75      inference('split', [status(esa)], [zip_derived_cl1482])).
% 7.67/1.75  thf('143', plain, (( (c3_1 @ a234)) | ~ ( (hskp26))),
% 7.67/1.75      inference('split', [status(esa)], [zip_derived_cl50])).
% 7.67/1.75  thf('144', plain,
% 7.67/1.75      (~ ( (c2_1 @ a234)) | ~ ( (c3_1 @ a234)) | 
% 7.67/1.75       ~ (![X0 : $i]: (~ (c2_1 @ X0) | ~ (c0_1 @ X0) | ~ (c3_1 @ X0))) | 
% 7.67/1.75       ~ ( (c0_1 @ a234))),
% 7.67/1.75      inference('split', [status(esa)], [zip_derived_cl838])).
% 7.67/1.75  thf('145', plain, (( (c0_1 @ a234)) | ~ ( (hskp26))),
% 7.67/1.75      inference('split', [status(esa)], [zip_derived_cl48])).
% 7.67/1.75  thf('146', plain, (( (c1_1 @ a234)) | ~ ( (hskp26))),
% 7.67/1.75      inference('split', [status(esa)], [zip_derived_cl49])).
% 7.67/1.75  thf('147', plain,
% 7.67/1.75      (( (hskp26)) | ( (hskp29)) | 
% 7.67/1.75       (![X0 : $i]: (~ (c2_1 @ X0) | ~ (c1_1 @ X0) | ~ (c3_1 @ X0))) | 
% 7.67/1.75       ~ ( (ndr1_0))),
% 7.67/1.75      inference('split', [status(esa)], [zip_derived_cl155])).
% 7.67/1.75  thf(clause177, conjecture,
% 7.67/1.75    (~( ( hskp5 ) | ( c3_1 @ V ) | ( c2_1 @ V ) | ( c2_1 @ U ) | 
% 7.67/1.75        ( ~( c0_1 @ V ) ) | ( ~( ndr1_0 ) ) | ( ~( c1_1 @ U ) ) | 
% 7.67/1.75        ( ~( c0_1 @ U ) ) ))).
% 7.67/1.75  thf(zf_stmt_114, negated_conjecture,
% 7.67/1.75    (( hskp5 ) | ( c3_1 @ V ) | ( c2_1 @ V ) | ( c2_1 @ U ) | 
% 7.67/1.75     ( ~( c0_1 @ V ) ) | ( ~( ndr1_0 ) ) | ( ~( c1_1 @ U ) ) | 
% 7.67/1.75     ( ~( c0_1 @ U ) )),
% 7.67/1.75    inference('cnf.neg', [status(esa)], [clause177])).
% 7.67/1.75  thf(zip_derived_cl176, plain,
% 7.67/1.75      (![X0 : $i, X1 : $i]:
% 7.67/1.75         ( (hskp5)
% 7.67/1.75          |  (c3_1 @ X0)
% 7.67/1.75          |  (c2_1 @ X0)
% 7.67/1.75          |  (c2_1 @ X1)
% 7.67/1.75          | ~ (c0_1 @ X0)
% 7.67/1.75          | ~ (ndr1_0)
% 7.67/1.75          | ~ (c1_1 @ X1)
% 7.67/1.75          | ~ (c0_1 @ X1))),
% 7.67/1.75      inference('cnf', [status(esa)], [zf_stmt_114])).
% 7.67/1.75  thf(zip_derived_cl652, plain,
% 7.67/1.75      ((![X1 : $i]: ( (c2_1 @ X1) | ~ (c0_1 @ X1) | ~ (c1_1 @ X1)))
% 7.67/1.75         <= ((![X1 : $i]: ( (c2_1 @ X1) | ~ (c0_1 @ X1) | ~ (c1_1 @ X1))))),
% 7.67/1.75      inference('split', [status(esa)], [zip_derived_cl176])).
% 7.67/1.75  thf(zip_derived_cl303, plain, (( (c0_1 @ a234)) <= (( (c0_1 @ a234)))),
% 7.67/1.75      inference('split', [status(esa)], [zip_derived_cl48])).
% 7.67/1.75  thf(zip_derived_cl1312, plain,
% 7.67/1.75      (((~ (c1_1 @ a234) |  (c2_1 @ a234)))
% 7.67/1.75         <= (( (c0_1 @ a234)) & 
% 7.67/1.75             (![X1 : $i]: ( (c2_1 @ X1) | ~ (c0_1 @ X1) | ~ (c1_1 @ X1))))),
% 7.67/1.75      inference('s_sup+', [status(thm)], [zip_derived_cl652, zip_derived_cl303])).
% 7.67/1.75  thf('148', plain,
% 7.67/1.75      (~ (![X1 : $i]: ( (c2_1 @ X1) | ~ (c0_1 @ X1) | ~ (c1_1 @ X1))) | 
% 7.67/1.75       ( (c2_1 @ a234)) | ~ ( (c1_1 @ a234)) | ~ ( (c0_1 @ a234))),
% 7.67/1.75      inference('split', [status(esa)], [zip_derived_cl1312])).
% 7.67/1.75  thf(zip_derived_cl604, plain,
% 7.67/1.75      ((![X1 : $i]: ( (c3_1 @ X1) | ~ (c2_1 @ X1) | ~ (c1_1 @ X1)))
% 7.67/1.75         <= ((![X1 : $i]: ( (c3_1 @ X1) | ~ (c2_1 @ X1) | ~ (c1_1 @ X1))))),
% 7.67/1.75      inference('split', [status(esa)], [zip_derived_cl164])).
% 7.67/1.75  thf(zip_derived_cl363, plain, (( (c2_1 @ a220)) <= (( (c2_1 @ a220)))),
% 7.67/1.75      inference('split', [status(esa)], [zip_derived_cl78])).
% 7.67/1.75  thf(zip_derived_cl1149, plain,
% 7.67/1.75      (((~ (c1_1 @ a220) |  (c3_1 @ a220)))
% 7.67/1.75         <= (( (c2_1 @ a220)) & 
% 7.67/1.75             (![X1 : $i]: ( (c3_1 @ X1) | ~ (c2_1 @ X1) | ~ (c1_1 @ X1))))),
% 7.67/1.75      inference('s_sup+', [status(thm)], [zip_derived_cl604, zip_derived_cl363])).
% 7.67/1.75  thf('149', plain,
% 7.67/1.75      (~ (![X1 : $i]: ( (c3_1 @ X1) | ~ (c2_1 @ X1) | ~ (c1_1 @ X1))) | 
% 7.67/1.75       ~ ( (c1_1 @ a220)) | ~ ( (c2_1 @ a220)) | ( (c3_1 @ a220))),
% 7.67/1.75      inference('split', [status(esa)], [zip_derived_cl1149])).
% 7.67/1.75  thf(zip_derived_cl584, plain,
% 7.67/1.75      ((![X1 : $i]: ( (c3_1 @ X1) | ~ (c0_1 @ X1) |  (c1_1 @ X1)))
% 7.67/1.75         <= ((![X1 : $i]: ( (c3_1 @ X1) | ~ (c0_1 @ X1) |  (c1_1 @ X1))))),
% 7.67/1.75      inference('split', [status(esa)], [zip_derived_cl159])).
% 7.67/1.75  thf(zip_derived_cl333, plain, (( (c0_1 @ a245)) <= (( (c0_1 @ a245)))),
% 7.67/1.75      inference('split', [status(esa)], [zip_derived_cl63])).
% 7.67/1.75  thf(zip_derived_cl1994, plain,
% 7.67/1.75      ((( (c1_1 @ a245) |  (c3_1 @ a245)))
% 7.67/1.75         <= (( (c0_1 @ a245)) & 
% 7.67/1.75             (![X1 : $i]: ( (c3_1 @ X1) | ~ (c0_1 @ X1) |  (c1_1 @ X1))))),
% 7.67/1.75      inference('s_sup+', [status(thm)], [zip_derived_cl584, zip_derived_cl333])).
% 7.67/1.75  thf('150', plain,
% 7.67/1.75      (~ ( (c0_1 @ a245)) | ( (c1_1 @ a245)) | 
% 7.67/1.75       ~ (![X1 : $i]: ( (c3_1 @ X1) | ~ (c0_1 @ X1) |  (c1_1 @ X1))) | 
% 7.67/1.75       ( (c3_1 @ a245))),
% 7.67/1.75      inference('split', [status(esa)], [zip_derived_cl1994])).
% 7.67/1.75  thf('151', plain, (( (c1_1 @ a220)) | ~ ( (hskp6))),
% 7.67/1.75      inference('split', [status(esa)], [zip_derived_cl77])).
% 7.67/1.75  thf('152', plain, (( (c2_1 @ a220)) | ~ ( (hskp6))),
% 7.67/1.75      inference('split', [status(esa)], [zip_derived_cl78])).
% 7.67/1.75  thf(clause117, conjecture, (~( ( ~( hskp6 ) ) | ( ~( c3_1 @ a220 ) ) ))).
% 7.67/1.75  thf(zf_stmt_115, negated_conjecture, (( ~( hskp6 ) ) | ( ~( c3_1 @ a220 ) )),
% 7.67/1.75    inference('cnf.neg', [status(esa)], [clause117])).
% 7.67/1.75  thf(zip_derived_cl116, plain, ((~ (hskp6) | ~ (c3_1 @ a220))),
% 7.67/1.75      inference('cnf', [status(esa)], [zf_stmt_115])).
% 7.67/1.75  thf('153', plain, (~ ( (c3_1 @ a220)) | ~ ( (hskp6))),
% 7.67/1.75      inference('split', [status(esa)], [zip_derived_cl116])).
% 7.67/1.75  thf('154', plain, (( (c0_1 @ a245)) | ~ ( (hskp16))),
% 7.67/1.75      inference('split', [status(esa)], [zip_derived_cl63])).
% 7.67/1.75  thf(clause101, conjecture, (~( ( ~( hskp16 ) ) | ( ~( c1_1 @ a245 ) ) ))).
% 7.67/1.75  thf(zf_stmt_116, negated_conjecture,
% 7.67/1.75    (( ~( hskp16 ) ) | ( ~( c1_1 @ a245 ) )),
% 7.67/1.75    inference('cnf.neg', [status(esa)], [clause101])).
% 7.67/1.75  thf(zip_derived_cl100, plain, ((~ (hskp16) | ~ (c1_1 @ a245))),
% 7.67/1.75      inference('cnf', [status(esa)], [zf_stmt_116])).
% 7.67/1.75  thf('155', plain, (~ ( (c1_1 @ a245)) | ~ ( (hskp16))),
% 7.67/1.75      inference('split', [status(esa)], [zip_derived_cl100])).
% 7.67/1.75  thf(clause102, conjecture, (~( ( ~( hskp16 ) ) | ( ~( c3_1 @ a245 ) ) ))).
% 7.67/1.75  thf(zf_stmt_117, negated_conjecture,
% 7.67/1.75    (( ~( hskp16 ) ) | ( ~( c3_1 @ a245 ) )),
% 7.67/1.75    inference('cnf.neg', [status(esa)], [clause102])).
% 7.67/1.75  thf(zip_derived_cl101, plain, ((~ (hskp16) | ~ (c3_1 @ a245))),
% 7.67/1.75      inference('cnf', [status(esa)], [zf_stmt_117])).
% 7.67/1.75  thf('156', plain, (~ ( (c3_1 @ a245)) | ~ ( (hskp16))),
% 7.67/1.75      inference('split', [status(esa)], [zip_derived_cl101])).
% 7.67/1.75  thf('157', plain,
% 7.67/1.75      (( (hskp6)) | ( (hskp3)) | ~ ( (ndr1_0)) | 
% 7.67/1.75       (![X0 : $i]: (~ (c1_1 @ X0) |  (c0_1 @ X0) | ~ (c3_1 @ X0)))),
% 7.67/1.75      inference('split', [status(esa)], [zip_derived_cl146])).
% 7.67/1.75  thf(clause20, conjecture, (~( ( ndr1_0 ) | ( ~( hskp12 ) ) ))).
% 7.67/1.75  thf(zf_stmt_118, negated_conjecture, (( ndr1_0 ) | ( ~( hskp12 ) )),
% 7.67/1.75    inference('cnf.neg', [status(esa)], [clause20])).
% 7.67/1.75  thf(zip_derived_cl19, plain, (( (ndr1_0) | ~ (hskp12))),
% 7.67/1.75      inference('cnf', [status(esa)], [zf_stmt_118])).
% 7.67/1.75  thf('158', plain, (( (ndr1_0)) | ~ ( (hskp12))),
% 7.67/1.75      inference('split', [status(esa)], [zip_derived_cl19])).
% 7.67/1.75  thf(clause31, conjecture, (~( ( ndr1_0 ) | ( ~( hskp1 ) ) ))).
% 7.67/1.75  thf(zf_stmt_119, negated_conjecture, (( ndr1_0 ) | ( ~( hskp1 ) )),
% 7.67/1.75    inference('cnf.neg', [status(esa)], [clause31])).
% 7.67/1.75  thf(zip_derived_cl30, plain, (( (ndr1_0) | ~ (hskp1))),
% 7.67/1.75      inference('cnf', [status(esa)], [zf_stmt_119])).
% 7.67/1.75  thf('159', plain, (( (ndr1_0)) | ~ ( (hskp1))),
% 7.67/1.75      inference('split', [status(esa)], [zip_derived_cl30])).
% 7.67/1.75  thf(clause32, conjecture, (~( ( ndr1_0 ) | ( ~( hskp0 ) ) ))).
% 7.67/1.75  thf(zf_stmt_120, negated_conjecture, (( ndr1_0 ) | ( ~( hskp0 ) )),
% 7.67/1.75    inference('cnf.neg', [status(esa)], [clause32])).
% 7.67/1.75  thf(zip_derived_cl31, plain, (( (ndr1_0) | ~ (hskp0))),
% 7.67/1.75      inference('cnf', [status(esa)], [zf_stmt_120])).
% 7.67/1.75  thf('160', plain, (( (ndr1_0)) | ~ ( (hskp0))),
% 7.67/1.75      inference('split', [status(esa)], [zip_derived_cl31])).
% 7.67/1.75  thf(clause39, conjecture, (~( ( hskp0 ) | ( hskp1 ) | ( hskp12 ) ))).
% 7.67/1.75  thf(zf_stmt_121, negated_conjecture, (( hskp0 ) | ( hskp1 ) | ( hskp12 )),
% 7.67/1.75    inference('cnf.neg', [status(esa)], [clause39])).
% 7.67/1.75  thf(zip_derived_cl38, plain, (( (hskp0) |  (hskp1) |  (hskp12))),
% 7.67/1.75      inference('cnf', [status(esa)], [zf_stmt_121])).
% 7.67/1.75  thf('161', plain, (( (hskp0)) | ( (hskp12)) | ( (hskp1))),
% 7.67/1.75      inference('split', [status(esa)], [zip_derived_cl38])).
% 7.67/1.75  thf(clause1, conjecture, (~( ( hskp16 ) | ( hskp3 ) ))).
% 7.67/1.75  thf(zf_stmt_122, negated_conjecture, (( hskp16 ) | ( hskp3 )),
% 7.67/1.75    inference('cnf.neg', [status(esa)], [clause1])).
% 7.67/1.75  thf(zip_derived_cl0, plain, (( (hskp16) |  (hskp3))),
% 7.67/1.75      inference('cnf', [status(esa)], [zf_stmt_122])).
% 7.67/1.75  thf('162', plain, (( (hskp16)) | ( (hskp3))),
% 7.67/1.75      inference('split', [status(esa)], [zip_derived_cl0])).
% 7.67/1.75  thf(clause196, conjecture,
% 7.67/1.75    (~( ( c3_1 @ W ) | ( c1_1 @ W ) | ( c3_1 @ V ) | ( ~( c0_1 @ W ) ) | 
% 7.67/1.75        ( ~( c2_1 @ V ) ) | ( ~( c1_1 @ V ) ) | ( ~( ndr1_0 ) ) | 
% 7.67/1.75        ( ~( c3_1 @ U ) ) | ( ~( c2_1 @ U ) ) | ( ~( c1_1 @ U ) ) ))).
% 7.67/1.75  thf(zf_stmt_123, negated_conjecture,
% 7.67/1.75    (( c3_1 @ W ) | ( c1_1 @ W ) | ( c3_1 @ V ) | ( ~( c0_1 @ W ) ) | 
% 7.67/1.75     ( ~( c2_1 @ V ) ) | ( ~( c1_1 @ V ) ) | ( ~( ndr1_0 ) ) | 
% 7.67/1.75     ( ~( c3_1 @ U ) ) | ( ~( c2_1 @ U ) ) | ( ~( c1_1 @ U ) )),
% 7.67/1.75    inference('cnf.neg', [status(esa)], [clause196])).
% 7.67/1.75  thf(zip_derived_cl195, plain,
% 7.67/1.75      (![X0 : $i, X1 : $i, X2 : $i]:
% 7.67/1.75         ( (c3_1 @ X0)
% 7.67/1.75          |  (c1_1 @ X0)
% 7.67/1.75          |  (c3_1 @ X1)
% 7.67/1.75          | ~ (c0_1 @ X0)
% 7.67/1.75          | ~ (c2_1 @ X1)
% 7.67/1.75          | ~ (c1_1 @ X1)
% 7.67/1.75          | ~ (ndr1_0)
% 7.67/1.75          | ~ (c3_1 @ X2)
% 7.67/1.75          | ~ (c2_1 @ X2)
% 7.67/1.75          | ~ (c1_1 @ X2))),
% 7.67/1.75      inference('cnf', [status(esa)], [zf_stmt_123])).
% 7.67/1.75  thf('163', plain,
% 7.67/1.75      ((![X1 : $i]: ( (c3_1 @ X1) | ~ (c0_1 @ X1) |  (c1_1 @ X1))) | 
% 7.67/1.75       (![X1 : $i]: ( (c3_1 @ X1) | ~ (c2_1 @ X1) | ~ (c1_1 @ X1))) | 
% 7.67/1.75       ~ ( (ndr1_0)) | 
% 7.67/1.75       (![X0 : $i]: (~ (c2_1 @ X0) | ~ (c1_1 @ X0) | ~ (c3_1 @ X0)))),
% 7.67/1.75      inference('split', [status(esa)], [zip_derived_cl195])).
% 7.67/1.75  thf('164', plain, (( (c0_1 @ a216)) | ~ ( (hskp3))),
% 7.67/1.75      inference('split', [status(esa)], [zip_derived_cl80])).
% 7.67/1.75  thf(zip_derived_cl652, plain,
% 7.67/1.75      ((![X1 : $i]: ( (c2_1 @ X1) | ~ (c0_1 @ X1) | ~ (c1_1 @ X1)))
% 7.67/1.75         <= ((![X1 : $i]: ( (c2_1 @ X1) | ~ (c0_1 @ X1) | ~ (c1_1 @ X1))))),
% 7.67/1.75      inference('split', [status(esa)], [zip_derived_cl176])).
% 7.67/1.75  thf(zip_derived_cl367, plain, (( (c0_1 @ a216)) <= (( (c0_1 @ a216)))),
% 7.67/1.75      inference('split', [status(esa)], [zip_derived_cl80])).
% 7.67/1.75  thf(zip_derived_cl1320, plain,
% 7.67/1.75      (((~ (c1_1 @ a216) |  (c2_1 @ a216)))
% 7.67/1.75         <= (( (c0_1 @ a216)) & 
% 7.67/1.75             (![X1 : $i]: ( (c2_1 @ X1) | ~ (c0_1 @ X1) | ~ (c1_1 @ X1))))),
% 7.67/1.75      inference('s_sup+', [status(thm)], [zip_derived_cl652, zip_derived_cl367])).
% 7.67/1.75  thf('165', plain,
% 7.67/1.75      (~ (![X1 : $i]: ( (c2_1 @ X1) | ~ (c0_1 @ X1) | ~ (c1_1 @ X1))) | 
% 7.67/1.75       ~ ( (c0_1 @ a216)) | ( (c2_1 @ a216)) | ~ ( (c1_1 @ a216))),
% 7.67/1.75      inference('split', [status(esa)], [zip_derived_cl1320])).
% 7.67/1.75  thf(clause199, conjecture,
% 7.67/1.75    (~( ( c2_1 @ W ) | ( c3_1 @ V ) | ( ~( c1_1 @ W ) ) | ( ~( c0_1 @ W ) ) | 
% 7.67/1.75        ( ~( c1_1 @ V ) ) | ( ~( c0_1 @ V ) ) | ( ~( ndr1_0 ) ) | 
% 7.67/1.75        ( ~( c3_1 @ U ) ) | ( ~( c2_1 @ U ) ) | ( ~( c1_1 @ U ) ) ))).
% 7.67/1.75  thf(zf_stmt_124, negated_conjecture,
% 7.67/1.75    (( c2_1 @ W ) | ( c3_1 @ V ) | ( ~( c1_1 @ W ) ) | ( ~( c0_1 @ W ) ) | 
% 7.67/1.75     ( ~( c1_1 @ V ) ) | ( ~( c0_1 @ V ) ) | ( ~( ndr1_0 ) ) | 
% 7.67/1.75     ( ~( c3_1 @ U ) ) | ( ~( c2_1 @ U ) ) | ( ~( c1_1 @ U ) )),
% 7.67/1.75    inference('cnf.neg', [status(esa)], [clause199])).
% 7.67/1.75  thf(zip_derived_cl198, plain,
% 7.67/1.75      (![X0 : $i, X1 : $i, X2 : $i]:
% 7.67/1.75         ( (c2_1 @ X0)
% 7.67/1.75          |  (c3_1 @ X1)
% 7.67/1.75          | ~ (c1_1 @ X0)
% 7.67/1.75          | ~ (c0_1 @ X0)
% 7.67/1.75          | ~ (c1_1 @ X1)
% 7.67/1.75          | ~ (c0_1 @ X1)
% 7.67/1.75          | ~ (ndr1_0)
% 7.67/1.75          | ~ (c3_1 @ X2)
% 7.67/1.75          | ~ (c2_1 @ X2)
% 7.67/1.75          | ~ (c1_1 @ X2))),
% 7.67/1.75      inference('cnf', [status(esa)], [zf_stmt_124])).
% 7.67/1.75  thf('166', plain,
% 7.67/1.75      ((![X1 : $i]: ( (c3_1 @ X1) | ~ (c0_1 @ X1) | ~ (c1_1 @ X1))) | 
% 7.67/1.75       (![X1 : $i]: ( (c2_1 @ X1) | ~ (c0_1 @ X1) | ~ (c1_1 @ X1))) | 
% 7.67/1.75       ~ ( (ndr1_0)) | 
% 7.67/1.75       (![X0 : $i]: (~ (c2_1 @ X0) | ~ (c1_1 @ X0) | ~ (c3_1 @ X0)))),
% 7.67/1.75      inference('split', [status(esa)], [zip_derived_cl198])).
% 7.67/1.75  thf(zip_derived_cl624, plain,
% 7.67/1.75      ((![X1 : $i]: ( (c3_1 @ X1) | ~ (c0_1 @ X1) | ~ (c1_1 @ X1)))
% 7.67/1.75         <= ((![X1 : $i]: ( (c3_1 @ X1) | ~ (c0_1 @ X1) | ~ (c1_1 @ X1))))),
% 7.67/1.75      inference('split', [status(esa)], [zip_derived_cl169])).
% 7.67/1.75  thf(zip_derived_cl367, plain, (( (c0_1 @ a216)) <= (( (c0_1 @ a216)))),
% 7.67/1.75      inference('split', [status(esa)], [zip_derived_cl80])).
% 7.67/1.75  thf(zip_derived_cl1288, plain,
% 7.67/1.75      (((~ (c1_1 @ a216) |  (c3_1 @ a216)))
% 7.67/1.75         <= (( (c0_1 @ a216)) & 
% 7.67/1.75             (![X1 : $i]: ( (c3_1 @ X1) | ~ (c0_1 @ X1) | ~ (c1_1 @ X1))))),
% 7.67/1.75      inference('s_sup+', [status(thm)], [zip_derived_cl624, zip_derived_cl367])).
% 7.67/1.75  thf('167', plain,
% 7.67/1.75      (( (c3_1 @ a216)) | 
% 7.67/1.75       ~ (![X1 : $i]: ( (c3_1 @ X1) | ~ (c0_1 @ X1) | ~ (c1_1 @ X1))) | 
% 7.67/1.75       ~ ( (c0_1 @ a216)) | ~ ( (c1_1 @ a216))),
% 7.67/1.75      inference('split', [status(esa)], [zip_derived_cl1288])).
% 7.67/1.75  thf(zip_derived_cl672, plain,
% 7.67/1.75      ((![X1 : $i]: (~ (c3_1 @ X1) |  (c2_1 @ X1) | ~ (c1_1 @ X1)))
% 7.67/1.75         <= ((![X1 : $i]: (~ (c3_1 @ X1) |  (c2_1 @ X1) | ~ (c1_1 @ X1))))),
% 7.67/1.75      inference('split', [status(esa)], [zip_derived_cl181])).
% 7.67/1.75  thf(zip_derived_cl451, plain, ((~ (c2_1 @ a216)) <= (~ ( (c2_1 @ a216)))),
% 7.67/1.75      inference('split', [status(esa)], [zip_derived_cl122])).
% 7.67/1.75  thf(zip_derived_cl1709, plain,
% 7.67/1.75      (((~ (c1_1 @ a216) | ~ (c3_1 @ a216)))
% 7.67/1.75         <= (~ ( (c2_1 @ a216)) & 
% 7.67/1.75             (![X1 : $i]: (~ (c3_1 @ X1) |  (c2_1 @ X1) | ~ (c1_1 @ X1))))),
% 7.67/1.75      inference('s_sup-', [status(thm)], [zip_derived_cl672, zip_derived_cl451])).
% 7.67/1.75  thf('168', plain,
% 7.67/1.75      (~ (![X1 : $i]: (~ (c3_1 @ X1) |  (c2_1 @ X1) | ~ (c1_1 @ X1))) | 
% 7.67/1.75       ~ ( (c3_1 @ a216)) | ~ ( (c1_1 @ a216)) | ( (c2_1 @ a216))),
% 7.67/1.75      inference('split', [status(esa)], [zip_derived_cl1709])).
% 7.67/1.75  thf('169', plain,
% 7.67/1.75      (( (hskp18)) | 
% 7.67/1.75       (![X1 : $i]: (~ (c3_1 @ X1) |  (c2_1 @ X1) | ~ (c1_1 @ X1))) | 
% 7.67/1.75       (![X0 : $i]: (~ (c1_1 @ X0) |  (c0_1 @ X0) | ~ (c3_1 @ X0))) | 
% 7.67/1.75       ~ ( (ndr1_0))),
% 7.67/1.75      inference('split', [status(esa)], [zip_derived_cl181])).
% 7.67/1.75  thf('170', plain, (( (c0_1 @ a252)) | ~ ( (hskp18))),
% 7.67/1.75      inference('split', [status(esa)], [zip_derived_cl59])).
% 7.67/1.75  thf('171', plain, (( (c2_1 @ a252)) | ~ ( (hskp18))),
% 7.67/1.75      inference('split', [status(esa)], [zip_derived_cl60])).
% 7.67/1.75  thf(clause99, conjecture, (~( ( ~( hskp18 ) ) | ( ~( c1_1 @ a252 ) ) ))).
% 7.67/1.75  thf(zf_stmt_125, negated_conjecture,
% 7.67/1.75    (( ~( hskp18 ) ) | ( ~( c1_1 @ a252 ) )),
% 7.67/1.75    inference('cnf.neg', [status(esa)], [clause99])).
% 7.67/1.75  thf(zip_derived_cl98, plain, ((~ (hskp18) | ~ (c1_1 @ a252))),
% 7.67/1.75      inference('cnf', [status(esa)], [zf_stmt_125])).
% 7.67/1.75  thf('172', plain, (~ ( (c1_1 @ a252)) | ~ ( (hskp18))),
% 7.67/1.75      inference('split', [status(esa)], [zip_derived_cl98])).
% 7.67/1.75  thf(zip_derived_cl612, plain,
% 7.67/1.75      ((![X1 : $i]: (~ (c2_1 @ X1) | ~ (c0_1 @ X1) |  (c1_1 @ X1)))
% 7.67/1.75         <= ((![X1 : $i]: (~ (c2_1 @ X1) | ~ (c0_1 @ X1) |  (c1_1 @ X1))))),
% 7.67/1.75      inference('split', [status(esa)], [zip_derived_cl166])).
% 7.67/1.75  thf(zip_derived_cl325, plain, (( (c0_1 @ a252)) <= (( (c0_1 @ a252)))),
% 7.67/1.75      inference('split', [status(esa)], [zip_derived_cl59])).
% 7.67/1.75  thf(zip_derived_cl1211, plain,
% 7.67/1.75      ((( (c1_1 @ a252) | ~ (c2_1 @ a252)))
% 7.67/1.75         <= (( (c0_1 @ a252)) & 
% 7.67/1.75             (![X1 : $i]: (~ (c2_1 @ X1) | ~ (c0_1 @ X1) |  (c1_1 @ X1))))),
% 7.67/1.75      inference('s_sup+', [status(thm)], [zip_derived_cl612, zip_derived_cl325])).
% 7.67/1.75  thf('173', plain,
% 7.67/1.75      (~ (![X1 : $i]: (~ (c2_1 @ X1) | ~ (c0_1 @ X1) |  (c1_1 @ X1))) | 
% 7.67/1.75       ~ ( (c0_1 @ a252)) | ( (c1_1 @ a252)) | ~ ( (c2_1 @ a252))),
% 7.67/1.75      inference('split', [status(esa)], [zip_derived_cl1211])).
% 7.67/1.75  thf(clause183, conjecture,
% 7.67/1.75    (~( ( hskp22 ) | ( c1_1 @ V ) | ( c2_1 @ U ) | ( ~( c2_1 @ V ) ) | 
% 7.67/1.75        ( ~( c0_1 @ V ) ) | ( ~( ndr1_0 ) ) | ( ~( c1_1 @ U ) ) | 
% 7.67/1.75        ( ~( c0_1 @ U ) ) ))).
% 7.67/1.75  thf(zf_stmt_126, negated_conjecture,
% 7.67/1.75    (( hskp22 ) | ( c1_1 @ V ) | ( c2_1 @ U ) | ( ~( c2_1 @ V ) ) | 
% 7.67/1.75     ( ~( c0_1 @ V ) ) | ( ~( ndr1_0 ) ) | ( ~( c1_1 @ U ) ) | 
% 7.67/1.75     ( ~( c0_1 @ U ) )),
% 7.67/1.75    inference('cnf.neg', [status(esa)], [clause183])).
% 7.67/1.75  thf(zip_derived_cl182, plain,
% 7.67/1.75      (![X0 : $i, X1 : $i]:
% 7.67/1.75         ( (hskp22)
% 7.67/1.75          |  (c1_1 @ X0)
% 7.67/1.75          |  (c2_1 @ X1)
% 7.67/1.75          | ~ (c2_1 @ X0)
% 7.67/1.75          | ~ (c0_1 @ X0)
% 7.67/1.75          | ~ (ndr1_0)
% 7.67/1.75          | ~ (c1_1 @ X1)
% 7.67/1.75          | ~ (c0_1 @ X1))),
% 7.67/1.75      inference('cnf', [status(esa)], [zf_stmt_126])).
% 7.67/1.75  thf('174', plain,
% 7.67/1.75      (( (hskp22)) | 
% 7.67/1.75       (![X1 : $i]: (~ (c2_1 @ X1) | ~ (c0_1 @ X1) |  (c1_1 @ X1))) | 
% 7.67/1.75       ~ ( (ndr1_0)) | 
% 7.67/1.75       (![X1 : $i]: ( (c2_1 @ X1) | ~ (c0_1 @ X1) | ~ (c1_1 @ X1)))),
% 7.67/1.75      inference('split', [status(esa)], [zip_derived_cl182])).
% 7.67/1.75  thf(clause91, conjecture, (~( ( ~( hskp22 ) ) | ( ~( c0_1 @ a271 ) ) ))).
% 7.67/1.75  thf(zf_stmt_127, negated_conjecture,
% 7.67/1.75    (( ~( hskp22 ) ) | ( ~( c0_1 @ a271 ) )),
% 7.67/1.75    inference('cnf.neg', [status(esa)], [clause91])).
% 7.67/1.75  thf(zip_derived_cl90, plain, ((~ (hskp22) | ~ (c0_1 @ a271))),
% 7.67/1.75      inference('cnf', [status(esa)], [zf_stmt_127])).
% 7.67/1.75  thf('175', plain, (~ ( (c0_1 @ a271)) | ~ ( (hskp22))),
% 7.67/1.75      inference('split', [status(esa)], [zip_derived_cl90])).
% 7.67/1.75  thf(clause92, conjecture, (~( ( ~( hskp22 ) ) | ( ~( c1_1 @ a271 ) ) ))).
% 7.67/1.75  thf(zf_stmt_128, negated_conjecture,
% 7.67/1.75    (( ~( hskp22 ) ) | ( ~( c1_1 @ a271 ) )),
% 7.67/1.75    inference('cnf.neg', [status(esa)], [clause92])).
% 7.67/1.75  thf(zip_derived_cl91, plain, ((~ (hskp22) | ~ (c1_1 @ a271))),
% 7.67/1.75      inference('cnf', [status(esa)], [zf_stmt_128])).
% 7.67/1.75  thf('176', plain, (~ ( (c1_1 @ a271)) | ~ ( (hskp22))),
% 7.67/1.75      inference('split', [status(esa)], [zip_derived_cl91])).
% 7.67/1.75  thf(clause93, conjecture, (~( ( ~( hskp22 ) ) | ( ~( c2_1 @ a271 ) ) ))).
% 7.67/1.75  thf(zf_stmt_129, negated_conjecture,
% 7.67/1.75    (( ~( hskp22 ) ) | ( ~( c2_1 @ a271 ) )),
% 7.67/1.75    inference('cnf.neg', [status(esa)], [clause93])).
% 7.67/1.75  thf(zip_derived_cl92, plain, ((~ (hskp22) | ~ (c2_1 @ a271))),
% 7.67/1.75      inference('cnf', [status(esa)], [zf_stmt_129])).
% 7.67/1.75  thf('177', plain, (~ ( (c2_1 @ a271)) | ~ ( (hskp22))),
% 7.67/1.75      inference('split', [status(esa)], [zip_derived_cl92])).
% 7.67/1.75  thf(zip_derived_cl465, plain,
% 7.67/1.75      ((![X0 : $i]: ( (c2_1 @ X0) |  (c1_1 @ X0) |  (c0_1 @ X0)))
% 7.67/1.75         <= ((![X0 : $i]: ( (c2_1 @ X0) |  (c1_1 @ X0) |  (c0_1 @ X0))))),
% 7.67/1.75      inference('split', [status(esa)], [zip_derived_cl129])).
% 7.67/1.75  thf(zip_derived_cl387, plain, ((~ (c0_1 @ a271)) <= (~ ( (c0_1 @ a271)))),
% 7.67/1.75      inference('split', [status(esa)], [zip_derived_cl90])).
% 7.67/1.75  thf(zip_derived_cl1057, plain,
% 7.67/1.75      ((( (c1_1 @ a271) |  (c2_1 @ a271)))
% 7.67/1.75         <= (~ ( (c0_1 @ a271)) & 
% 7.67/1.75             (![X0 : $i]: ( (c2_1 @ X0) |  (c1_1 @ X0) |  (c0_1 @ X0))))),
% 7.67/1.75      inference('s_sup-', [status(thm)], [zip_derived_cl465, zip_derived_cl387])).
% 7.67/1.75  thf('178', plain,
% 7.67/1.75      (~ (![X0 : $i]: ( (c2_1 @ X0) |  (c1_1 @ X0) |  (c0_1 @ X0))) | 
% 7.67/1.75       ( (c0_1 @ a271)) | ( (c1_1 @ a271)) | ( (c2_1 @ a271))),
% 7.67/1.75      inference('split', [status(esa)], [zip_derived_cl1057])).
% 7.67/1.75  thf('179', plain,
% 7.67/1.75      (( (hskp0)) | 
% 7.67/1.75       (![X0 : $i]: ( (c2_1 @ X0) |  (c1_1 @ X0) |  (c0_1 @ X0))) | 
% 7.67/1.75       ~ ( (ndr1_0))),
% 7.67/1.75      inference('split', [status(esa)], [zip_derived_cl129])).
% 7.67/1.75  thf(clause85, conjecture, (~( ( c2_1 @ a213 ) | ( ~( hskp0 ) ) ))).
% 7.67/1.75  thf(zf_stmt_130, negated_conjecture, (( c2_1 @ a213 ) | ( ~( hskp0 ) )),
% 7.67/1.75    inference('cnf.neg', [status(esa)], [clause85])).
% 7.67/1.75  thf(zip_derived_cl84, plain, (( (c2_1 @ a213) | ~ (hskp0))),
% 7.67/1.75      inference('cnf', [status(esa)], [zf_stmt_130])).
% 7.67/1.75  thf('180', plain, (( (c2_1 @ a213)) | ~ ( (hskp0))),
% 7.67/1.75      inference('split', [status(esa)], [zip_derived_cl84])).
% 7.67/1.75  thf(zip_derived_cl516, plain,
% 7.67/1.75      ((![X0 : $i]: (~ (c2_1 @ X0) |  (c1_1 @ X0) |  (c3_1 @ X0)))
% 7.67/1.75         <= ((![X0 : $i]: (~ (c2_1 @ X0) |  (c1_1 @ X0) |  (c3_1 @ X0))))),
% 7.67/1.75      inference('split', [status(esa)], [zip_derived_cl142])).
% 7.67/1.75  thf(zip_derived_cl375, plain, (( (c2_1 @ a213)) <= (( (c2_1 @ a213)))),
% 7.67/1.75      inference('split', [status(esa)], [zip_derived_cl84])).
% 7.67/1.75  thf(zip_derived_cl1849, plain,
% 7.67/1.75      ((( (c3_1 @ a213) |  (c1_1 @ a213)))
% 7.67/1.75         <= (( (c2_1 @ a213)) & 
% 7.67/1.75             (![X0 : $i]: (~ (c2_1 @ X0) |  (c1_1 @ X0) |  (c3_1 @ X0))))),
% 7.67/1.75      inference('s_sup+', [status(thm)], [zip_derived_cl516, zip_derived_cl375])).
% 7.67/1.75  thf('181', plain,
% 7.67/1.75      (~ ( (c2_1 @ a213)) | ( (c1_1 @ a213)) | 
% 7.67/1.75       ~ (![X0 : $i]: (~ (c2_1 @ X0) |  (c1_1 @ X0) |  (c3_1 @ X0))) | 
% 7.67/1.75       ( (c3_1 @ a213))),
% 7.67/1.75      inference('split', [status(esa)], [zip_derived_cl1849])).
% 7.67/1.75  thf(zip_derived_cl8036, plain, ($false),
% 7.67/1.75      inference('sat_resolution*', [status(thm)],
% 7.67/1.75                ['0', '1', '2', '3', '4', '5', '6', '7', '8', '9', '10', '11', 
% 7.67/1.75                 '12', '13', '14', '15', '16', '17', '18', '19', '20', '21', 
% 7.67/1.75                 '22', '23', '24', '25', '26', '27', '28', '29', '30', '31', 
% 7.67/1.75                 '32', '33', '34', '35', '36', '37', '38', '39', '40', '41', 
% 7.67/1.75                 '42', '43', '44', '45', '46', '47', '48', '49', '50', '51', 
% 7.67/1.75                 '52', '53', '54', '55', '56', '57', '58', '59', '60', '61', 
% 7.67/1.75                 '62', '63', '64', '65', '66', '67', '68', '69', '70', '71', 
% 7.67/1.75                 '72', '73', '74', '75', '76', '77', '78', '79', '80', '81', 
% 7.67/1.75                 '82', '83', '84', '85', '86', '87', '88', '89', '90', '91', 
% 7.67/1.75                 '92', '93', '94', '95', '96', '97', '98', '99', '100', '101', 
% 7.67/1.75                 '102', '103', '104', '105', '106', '107', '108', '109', 
% 7.67/1.75                 '110', '111', '112', '113', '114', '115', '116', '117', 
% 7.67/1.75                 '118', '119', '120', '121', '122', '123', '124', '125', 
% 7.67/1.75                 '126', '127', '128', '129', '130', '131', '132', '133', 
% 7.67/1.75                 '134', '135', '136', '137', '138', '139', '140', '141', 
% 7.67/1.75                 '142', '143', '144', '145', '146', '147', '148', '149', 
% 7.67/1.75                 '150', '151', '152', '153', '154', '155', '156', '157', 
% 7.67/1.75                 '158', '159', '160', '161', '162', '163', '164', '165', 
% 7.67/1.75                 '166', '167', '168', '169', '170', '171', '172', '173', 
% 7.67/1.75                 '174', '175', '176', '177', '178', '179', '180', '181'])).
% 7.67/1.75  
% 7.67/1.75  % SZS output end Refutation
% 7.67/1.75  
% 7.67/1.75  
% 7.67/1.75  % Terminating...
% 8.05/1.83  % Runner terminated.
% 8.05/1.85  % Zipperpin 1.5 exiting
%------------------------------------------------------------------------------