TSTP Solution File: SYN484-1 by Zipperpin---2.1.9999

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Zipperpin---2.1.9999
% Problem  : SYN484-1 : TPTP v8.1.2. Released v2.1.0.
% Transfm  : NO INFORMATION
% Format   : NO INFORMATION
% Command  : python3 /export/starexec/sandbox/solver/bin/portfolio.lams.parallel.py %s %d /export/starexec/sandbox/tmp/tmp.Q4aQesD5SS true

% Computer : n025.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 04:04:02 EDT 2023

% Result   : Unsatisfiable 1.33s 1.35s
% Output   : Refutation 1.33s
% Verified : 
% SZS Type : -

% Comments : 
%------------------------------------------------------------------------------
%----WARNING: Could not form TPTP format derivation
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.12  % Problem  : SYN484-1 : TPTP v8.1.2. Released v2.1.0.
% 0.00/0.13  % Command  : python3 /export/starexec/sandbox/solver/bin/portfolio.lams.parallel.py %s %d /export/starexec/sandbox/tmp/tmp.Q4aQesD5SS true
% 0.13/0.34  % Computer : n025.cluster.edu
% 0.13/0.34  % Model    : x86_64 x86_64
% 0.13/0.34  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.13/0.34  % Memory   : 8042.1875MB
% 0.13/0.34  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.13/0.34  % CPULimit : 300
% 0.13/0.34  % WCLimit  : 300
% 0.13/0.34  % DateTime : Sat Aug 26 18:40:08 EDT 2023
% 0.13/0.34  % CPUTime  : 
% 0.13/0.34  % Running portfolio for 300 s
% 0.13/0.34  % File         : /export/starexec/sandbox/benchmark/theBenchmark.p
% 0.13/0.34  % Number of cores: 8
% 0.13/0.34  % Python version: Python 3.6.8
% 0.13/0.35  % Running in FO mode
% 0.19/0.62  % Total configuration time : 435
% 0.19/0.62  % Estimated wc time : 1092
% 0.19/0.62  % Estimated cpu time (7 cpus) : 156.0
% 0.19/0.71  % /export/starexec/sandbox/solver/bin/fo/fo6_bce.sh running for 75s
% 0.19/0.72  % /export/starexec/sandbox/solver/bin/fo/fo3_bce.sh running for 75s
% 0.19/0.74  % /export/starexec/sandbox/solver/bin/fo/fo1_av.sh running for 75s
% 0.19/0.74  % /export/starexec/sandbox/solver/bin/fo/fo13.sh running for 50s
% 0.19/0.74  % /export/starexec/sandbox/solver/bin/fo/fo7.sh running for 63s
% 0.19/0.74  % /export/starexec/sandbox/solver/bin/fo/fo5.sh running for 50s
% 0.19/0.75  % /export/starexec/sandbox/solver/bin/fo/fo4.sh running for 50s
% 1.33/1.35  % Solved by fo/fo1_av.sh.
% 1.33/1.35  % done 1773 iterations in 0.560s
% 1.33/1.35  % SZS status Theorem for '/export/starexec/sandbox/benchmark/theBenchmark.p'
% 1.33/1.35  % SZS output start Refutation
% 1.33/1.35  thf(hskp25_type, type, hskp25: $o).
% 1.33/1.35  thf(hskp20_type, type, hskp20: $o).
% 1.33/1.35  thf(hskp17_type, type, hskp17: $o).
% 1.33/1.35  thf(hskp4_type, type, hskp4: $o).
% 1.33/1.35  thf(hskp1_type, type, hskp1: $o).
% 1.33/1.35  thf(a1989_type, type, a1989: $i).
% 1.33/1.35  thf(a1971_type, type, a1971: $i).
% 1.33/1.35  thf(a1972_type, type, a1972: $i).
% 1.33/1.35  thf(a1983_type, type, a1983: $i).
% 1.33/1.35  thf(hskp26_type, type, hskp26: $o).
% 1.33/1.35  thf(hskp11_type, type, hskp11: $o).
% 1.33/1.35  thf(hskp8_type, type, hskp8: $o).
% 1.33/1.35  thf(c1_1_type, type, c1_1: $i > $o).
% 1.33/1.35  thf(a1996_type, type, a1996: $i).
% 1.33/1.35  thf(hskp15_type, type, hskp15: $o).
% 1.33/1.35  thf(a2003_type, type, a2003: $i).
% 1.33/1.35  thf(a1991_type, type, a1991: $i).
% 1.33/1.35  thf(hskp27_type, type, hskp27: $o).
% 1.33/1.35  thf(a1987_type, type, a1987: $i).
% 1.33/1.35  thf(hskp21_type, type, hskp21: $o).
% 1.33/1.35  thf(hskp3_type, type, hskp3: $o).
% 1.33/1.35  thf(hskp22_type, type, hskp22: $o).
% 1.33/1.35  thf(a1992_type, type, a1992: $i).
% 1.33/1.35  thf(hskp28_type, type, hskp28: $o).
% 1.33/1.35  thf(hskp6_type, type, hskp6: $o).
% 1.33/1.35  thf(a1975_type, type, a1975: $i).
% 1.33/1.35  thf(c0_1_type, type, c0_1: $i > $o).
% 1.33/1.35  thf(a2005_type, type, a2005: $i).
% 1.33/1.35  thf(a1970_type, type, a1970: $i).
% 1.33/1.35  thf(hskp5_type, type, hskp5: $o).
% 1.33/1.35  thf(a1993_type, type, a1993: $i).
% 1.33/1.35  thf(a1977_type, type, a1977: $i).
% 1.33/1.35  thf(a2014_type, type, a2014: $i).
% 1.33/1.35  thf(a1998_type, type, a1998: $i).
% 1.33/1.35  thf(hskp29_type, type, hskp29: $o).
% 1.33/1.35  thf(a2009_type, type, a2009: $i).
% 1.33/1.35  thf(hskp9_type, type, hskp9: $o).
% 1.33/1.35  thf(ndr1_0_type, type, ndr1_0: $o).
% 1.33/1.35  thf(a1981_type, type, a1981: $i).
% 1.33/1.35  thf(hskp7_type, type, hskp7: $o).
% 1.33/1.35  thf(hskp10_type, type, hskp10: $o).
% 1.33/1.35  thf(hskp30_type, type, hskp30: $o).
% 1.33/1.35  thf(hskp13_type, type, hskp13: $o).
% 1.33/1.35  thf(c2_1_type, type, c2_1: $i > $o).
% 1.33/1.35  thf(a1978_type, type, a1978: $i).
% 1.33/1.35  thf(a1979_type, type, a1979: $i).
% 1.33/1.35  thf(a1985_type, type, a1985: $i).
% 1.33/1.35  thf(a2001_type, type, a2001: $i).
% 1.33/1.35  thf(a1990_type, type, a1990: $i).
% 1.33/1.35  thf(hskp19_type, type, hskp19: $o).
% 1.33/1.35  thf(hskp23_type, type, hskp23: $o).
% 1.33/1.35  thf(c3_1_type, type, c3_1: $i > $o).
% 1.33/1.35  thf(a1974_type, type, a1974: $i).
% 1.33/1.35  thf(hskp14_type, type, hskp14: $o).
% 1.33/1.35  thf(hskp12_type, type, hskp12: $o).
% 1.33/1.35  thf(hskp16_type, type, hskp16: $o).
% 1.33/1.35  thf(clause199, conjecture,
% 1.33/1.35    (~( ( c3_1 @ W ) | ( c0_1 @ W ) | ( c2_1 @ V ) | ( ~( c1_1 @ W ) ) | 
% 1.33/1.35        ( ~( c1_1 @ V ) ) | ( ~( c0_1 @ V ) ) | ( ~( ndr1_0 ) ) | 
% 1.33/1.35        ( ~( c2_1 @ U ) ) | ( ~( c1_1 @ U ) ) | ( ~( c0_1 @ U ) ) ))).
% 1.33/1.35  thf(zf_stmt_0, negated_conjecture,
% 1.33/1.35    (( c3_1 @ W ) | ( c0_1 @ W ) | ( c2_1 @ V ) | ( ~( c1_1 @ W ) ) | 
% 1.33/1.35     ( ~( c1_1 @ V ) ) | ( ~( c0_1 @ V ) ) | ( ~( ndr1_0 ) ) | 
% 1.33/1.35     ( ~( c2_1 @ U ) ) | ( ~( c1_1 @ U ) ) | ( ~( c0_1 @ U ) )),
% 1.33/1.35    inference('cnf.neg', [status(esa)], [clause199])).
% 1.33/1.35  thf(zip_derived_cl198, plain,
% 1.33/1.35      (![X0 : $i, X1 : $i, X2 : $i]:
% 1.33/1.35         ( (c3_1 @ X0)
% 1.33/1.35          |  (c0_1 @ X0)
% 1.33/1.35          |  (c2_1 @ X1)
% 1.33/1.35          | ~ (c1_1 @ X0)
% 1.33/1.35          | ~ (c1_1 @ X1)
% 1.33/1.35          | ~ (c0_1 @ X1)
% 1.33/1.35          | ~ (ndr1_0)
% 1.33/1.35          | ~ (c2_1 @ X2)
% 1.33/1.35          | ~ (c1_1 @ X2)
% 1.33/1.35          | ~ (c0_1 @ X2))),
% 1.33/1.35      inference('cnf', [status(esa)], [zf_stmt_0])).
% 1.33/1.35  thf('0', plain,
% 1.33/1.35      ((![X0 : $i]: (~ (c1_1 @ X0) |  (c0_1 @ X0) |  (c3_1 @ X0))) | 
% 1.33/1.35       (![X0 : $i]: (~ (c1_1 @ X0) | ~ (c0_1 @ X0) | ~ (c2_1 @ X0))) | 
% 1.33/1.35       (![X0 : $i]: (~ (c1_1 @ X0) | ~ (c0_1 @ X0) |  (c2_1 @ X0))) | 
% 1.33/1.35       ~ ( (ndr1_0))),
% 1.33/1.35      inference('split', [status(esa)], [zip_derived_cl198])).
% 1.33/1.35  thf(clause34, conjecture, (~( ( hskp6 ) | ( hskp27 ) | ( hskp30 ) ))).
% 1.33/1.35  thf(zf_stmt_1, negated_conjecture, (( hskp6 ) | ( hskp27 ) | ( hskp30 )),
% 1.33/1.35    inference('cnf.neg', [status(esa)], [clause34])).
% 1.33/1.35  thf(zip_derived_cl33, plain, (( (hskp6) |  (hskp27) |  (hskp30))),
% 1.33/1.35      inference('cnf', [status(esa)], [zf_stmt_1])).
% 1.33/1.35  thf('1', plain, (( (hskp27)) | ( (hskp6)) | ( (hskp30))),
% 1.33/1.35      inference('split', [status(esa)], [zip_derived_cl33])).
% 1.33/1.35  thf(clause195, conjecture,
% 1.33/1.35    (~( ( c2_1 @ W ) | ( c0_1 @ W ) | ( c3_1 @ V ) | ( c1_1 @ V ) | 
% 1.33/1.35        ( c2_1 @ U ) | ( ~( c3_1 @ W ) ) | ( ~( c2_1 @ V ) ) | 
% 1.33/1.35        ( ~( ndr1_0 ) ) | ( ~( c1_1 @ U ) ) | ( ~( c0_1 @ U ) ) ))).
% 1.33/1.35  thf(zf_stmt_2, negated_conjecture,
% 1.33/1.35    (( c2_1 @ W ) | ( c0_1 @ W ) | ( c3_1 @ V ) | ( c1_1 @ V ) | 
% 1.33/1.35     ( c2_1 @ U ) | ( ~( c3_1 @ W ) ) | ( ~( c2_1 @ V ) ) | ( ~( ndr1_0 ) ) | 
% 1.33/1.35     ( ~( c1_1 @ U ) ) | ( ~( c0_1 @ U ) )),
% 1.33/1.35    inference('cnf.neg', [status(esa)], [clause195])).
% 1.33/1.35  thf(zip_derived_cl194, plain,
% 1.33/1.35      (![X0 : $i, X1 : $i, X2 : $i]:
% 1.33/1.35         ( (c2_1 @ X0)
% 1.33/1.35          |  (c0_1 @ X0)
% 1.33/1.35          |  (c3_1 @ X1)
% 1.33/1.35          |  (c1_1 @ X1)
% 1.33/1.35          |  (c2_1 @ X2)
% 1.33/1.35          | ~ (c3_1 @ X0)
% 1.33/1.35          | ~ (c2_1 @ X1)
% 1.33/1.35          | ~ (ndr1_0)
% 1.33/1.35          | ~ (c1_1 @ X2)
% 1.33/1.35          | ~ (c0_1 @ X2))),
% 1.33/1.35      inference('cnf', [status(esa)], [zf_stmt_2])).
% 1.33/1.35  thf('2', plain,
% 1.33/1.35      ((![X0 : $i]: ( (c1_1 @ X0) | ~ (c2_1 @ X0) |  (c3_1 @ X0))) | 
% 1.33/1.35       (![X0 : $i]: ( (c0_1 @ X0) |  (c2_1 @ X0) | ~ (c3_1 @ X0))) | 
% 1.33/1.35       ~ ( (ndr1_0)) | 
% 1.33/1.35       (![X0 : $i]: (~ (c1_1 @ X0) | ~ (c0_1 @ X0) |  (c2_1 @ X0)))),
% 1.33/1.35      inference('split', [status(esa)], [zip_derived_cl194])).
% 1.33/1.35  thf(clause48, conjecture, (~( ( c3_1 @ a1970 ) | ( ~( hskp27 ) ) ))).
% 1.33/1.35  thf(zf_stmt_3, negated_conjecture, (( c3_1 @ a1970 ) | ( ~( hskp27 ) )),
% 1.33/1.35    inference('cnf.neg', [status(esa)], [clause48])).
% 1.33/1.35  thf(zip_derived_cl47, plain, (( (c3_1 @ a1970) | ~ (hskp27))),
% 1.33/1.35      inference('cnf', [status(esa)], [zf_stmt_3])).
% 1.33/1.35  thf(zip_derived_cl298, plain, (( (c3_1 @ a1970)) <= (( (c3_1 @ a1970)))),
% 1.33/1.35      inference('split', [status(esa)], [zip_derived_cl47])).
% 1.33/1.35  thf(clause159, conjecture,
% 1.33/1.35    (~( ( hskp11 ) | ( hskp4 ) | ( ~( ndr1_0 ) ) | ( ~( c3_1 @ U ) ) | 
% 1.33/1.35        ( ~( c2_1 @ U ) ) | ( ~( c1_1 @ U ) ) ))).
% 1.33/1.35  thf(zf_stmt_4, negated_conjecture,
% 1.33/1.35    (( hskp11 ) | ( hskp4 ) | ( ~( ndr1_0 ) ) | ( ~( c3_1 @ U ) ) | 
% 1.33/1.35     ( ~( c2_1 @ U ) ) | ( ~( c1_1 @ U ) )),
% 1.33/1.35    inference('cnf.neg', [status(esa)], [clause159])).
% 1.33/1.35  thf(zip_derived_cl158, plain,
% 1.33/1.35      (![X0 : $i]:
% 1.33/1.35         ( (hskp11)
% 1.33/1.35          |  (hskp4)
% 1.33/1.35          | ~ (ndr1_0)
% 1.33/1.35          | ~ (c3_1 @ X0)
% 1.33/1.35          | ~ (c2_1 @ X0)
% 1.33/1.35          | ~ (c1_1 @ X0))),
% 1.33/1.35      inference('cnf', [status(esa)], [zf_stmt_4])).
% 1.33/1.35  thf(zip_derived_cl576, plain,
% 1.33/1.35      ((![X0 : $i]: (~ (c1_1 @ X0) | ~ (c2_1 @ X0) | ~ (c3_1 @ X0)))
% 1.33/1.35         <= ((![X0 : $i]: (~ (c1_1 @ X0) | ~ (c2_1 @ X0) | ~ (c3_1 @ X0))))),
% 1.33/1.35      inference('split', [status(esa)], [zip_derived_cl158])).
% 1.33/1.35  thf(zip_derived_cl825, plain,
% 1.33/1.35      (((~ (c1_1 @ a1970) | ~ (c2_1 @ a1970)))
% 1.33/1.35         <= (( (c3_1 @ a1970)) & 
% 1.33/1.35             (![X0 : $i]: (~ (c1_1 @ X0) | ~ (c2_1 @ X0) | ~ (c3_1 @ X0))))),
% 1.33/1.35      inference('s_sup-', [status(thm)], [zip_derived_cl298, zip_derived_cl576])).
% 1.33/1.35  thf('3', plain,
% 1.33/1.35      (~ ( (c1_1 @ a1970)) | ~ ( (c3_1 @ a1970)) | 
% 1.33/1.35       ~ (![X0 : $i]: (~ (c1_1 @ X0) | ~ (c2_1 @ X0) | ~ (c3_1 @ X0))) | 
% 1.33/1.35       ~ ( (c2_1 @ a1970))),
% 1.33/1.35      inference('split', [status(esa)], [zip_derived_cl825])).
% 1.33/1.35  thf('4', plain,
% 1.33/1.35      ((![X0 : $i]: (~ (c1_1 @ X0) | ~ (c2_1 @ X0) | ~ (c3_1 @ X0))) | 
% 1.33/1.35       ( (hskp11)) | ( (hskp4)) | ~ ( (ndr1_0))),
% 1.33/1.35      inference('split', [status(esa)], [zip_derived_cl158])).
% 1.33/1.35  thf(clause166, conjecture,
% 1.33/1.35    (~( ( hskp15 ) | ( c3_1 @ V ) | ( c0_1 @ V ) | ( c3_1 @ U ) | 
% 1.33/1.35        ( c2_1 @ U ) | ( ~( c2_1 @ V ) ) | ( ~( ndr1_0 ) ) | ( ~( c1_1 @ U ) ) ))).
% 1.33/1.35  thf(zf_stmt_5, negated_conjecture,
% 1.33/1.35    (( hskp15 ) | ( c3_1 @ V ) | ( c0_1 @ V ) | ( c3_1 @ U ) | ( c2_1 @ U ) | 
% 1.33/1.35     ( ~( c2_1 @ V ) ) | ( ~( ndr1_0 ) ) | ( ~( c1_1 @ U ) )),
% 1.33/1.35    inference('cnf.neg', [status(esa)], [clause166])).
% 1.33/1.35  thf(zip_derived_cl165, plain,
% 1.33/1.35      (![X0 : $i, X1 : $i]:
% 1.33/1.35         ( (hskp15)
% 1.33/1.35          |  (c3_1 @ X0)
% 1.33/1.35          |  (c0_1 @ X0)
% 1.33/1.35          |  (c3_1 @ X1)
% 1.33/1.35          |  (c2_1 @ X1)
% 1.33/1.35          | ~ (c2_1 @ X0)
% 1.33/1.35          | ~ (ndr1_0)
% 1.33/1.35          | ~ (c1_1 @ X1))),
% 1.33/1.35      inference('cnf', [status(esa)], [zf_stmt_5])).
% 1.33/1.35  thf('5', plain,
% 1.33/1.35      (( (hskp15)) | 
% 1.33/1.35       (![X0 : $i]: ( (c0_1 @ X0) | ~ (c2_1 @ X0) |  (c3_1 @ X0))) | 
% 1.33/1.35       ~ ( (ndr1_0)) | 
% 1.33/1.35       (![X1 : $i]: ( (c3_1 @ X1) |  (c2_1 @ X1) | ~ (c1_1 @ X1)))),
% 1.33/1.35      inference('split', [status(esa)], [zip_derived_cl165])).
% 1.33/1.35  thf(clause62, conjecture, (~( ( c3_1 @ a1996 ) | ( ~( hskp16 ) ) ))).
% 1.33/1.35  thf(zf_stmt_6, negated_conjecture, (( c3_1 @ a1996 ) | ( ~( hskp16 ) )),
% 1.33/1.35    inference('cnf.neg', [status(esa)], [clause62])).
% 1.33/1.35  thf(zip_derived_cl61, plain, (( (c3_1 @ a1996) | ~ (hskp16))),
% 1.33/1.35      inference('cnf', [status(esa)], [zf_stmt_6])).
% 1.33/1.35  thf(zip_derived_cl326, plain, (( (c3_1 @ a1996)) <= (( (c3_1 @ a1996)))),
% 1.33/1.35      inference('split', [status(esa)], [zip_derived_cl61])).
% 1.33/1.35  thf(clause158, conjecture,
% 1.33/1.35    (~( ( hskp25 ) | ( hskp26 ) | ( ~( ndr1_0 ) ) | ( ~( c3_1 @ U ) ) | 
% 1.33/1.35        ( ~( c1_1 @ U ) ) | ( ~( c0_1 @ U ) ) ))).
% 1.33/1.35  thf(zf_stmt_7, negated_conjecture,
% 1.33/1.35    (( hskp25 ) | ( hskp26 ) | ( ~( ndr1_0 ) ) | ( ~( c3_1 @ U ) ) | 
% 1.33/1.35     ( ~( c1_1 @ U ) ) | ( ~( c0_1 @ U ) )),
% 1.33/1.35    inference('cnf.neg', [status(esa)], [clause158])).
% 1.33/1.35  thf(zip_derived_cl157, plain,
% 1.33/1.35      (![X0 : $i]:
% 1.33/1.35         ( (hskp25)
% 1.33/1.35          |  (hskp26)
% 1.33/1.35          | ~ (ndr1_0)
% 1.33/1.35          | ~ (c3_1 @ X0)
% 1.33/1.35          | ~ (c1_1 @ X0)
% 1.33/1.35          | ~ (c0_1 @ X0))),
% 1.33/1.35      inference('cnf', [status(esa)], [zf_stmt_7])).
% 1.33/1.35  thf(zip_derived_cl572, plain,
% 1.33/1.35      ((![X0 : $i]: (~ (c1_1 @ X0) | ~ (c0_1 @ X0) | ~ (c3_1 @ X0)))
% 1.33/1.35         <= ((![X0 : $i]: (~ (c1_1 @ X0) | ~ (c0_1 @ X0) | ~ (c3_1 @ X0))))),
% 1.33/1.35      inference('split', [status(esa)], [zip_derived_cl157])).
% 1.33/1.35  thf(zip_derived_cl903, plain,
% 1.33/1.35      (((~ (c1_1 @ a1996) | ~ (c0_1 @ a1996)))
% 1.33/1.35         <= (( (c3_1 @ a1996)) & 
% 1.33/1.35             (![X0 : $i]: (~ (c1_1 @ X0) | ~ (c0_1 @ X0) | ~ (c3_1 @ X0))))),
% 1.33/1.35      inference('s_sup-', [status(thm)], [zip_derived_cl326, zip_derived_cl572])).
% 1.33/1.35  thf('6', plain,
% 1.33/1.35      (~ ( (c1_1 @ a1996)) | ~ ( (c0_1 @ a1996)) | 
% 1.33/1.35       ~ (![X0 : $i]: (~ (c1_1 @ X0) | ~ (c0_1 @ X0) | ~ (c3_1 @ X0))) | 
% 1.33/1.35       ~ ( (c3_1 @ a1996))),
% 1.33/1.35      inference('split', [status(esa)], [zip_derived_cl903])).
% 1.33/1.35  thf(clause150, conjecture,
% 1.33/1.35    (~( ( hskp12 ) | ( hskp11 ) | ( c2_1 @ U ) | ( ~( ndr1_0 ) ) | 
% 1.33/1.35        ( ~( c3_1 @ U ) ) | ( ~( c1_1 @ U ) ) ))).
% 1.33/1.35  thf(zf_stmt_8, negated_conjecture,
% 1.33/1.35    (( hskp12 ) | ( hskp11 ) | ( c2_1 @ U ) | ( ~( ndr1_0 ) ) | 
% 1.33/1.35     ( ~( c3_1 @ U ) ) | ( ~( c1_1 @ U ) )),
% 1.33/1.35    inference('cnf.neg', [status(esa)], [clause150])).
% 1.33/1.35  thf(zip_derived_cl149, plain,
% 1.33/1.35      (![X0 : $i]:
% 1.33/1.35         ( (hskp12)
% 1.33/1.35          |  (hskp11)
% 1.33/1.35          |  (c2_1 @ X0)
% 1.33/1.35          | ~ (ndr1_0)
% 1.33/1.35          | ~ (c3_1 @ X0)
% 1.33/1.35          | ~ (c1_1 @ X0))),
% 1.33/1.35      inference('cnf', [status(esa)], [zf_stmt_8])).
% 1.33/1.35  thf(zip_derived_cl541, plain,
% 1.33/1.35      ((![X0 : $i]: (~ (c1_1 @ X0) |  (c2_1 @ X0) | ~ (c3_1 @ X0)))
% 1.33/1.35         <= ((![X0 : $i]: (~ (c1_1 @ X0) |  (c2_1 @ X0) | ~ (c3_1 @ X0))))),
% 1.33/1.35      inference('split', [status(esa)], [zip_derived_cl149])).
% 1.33/1.35  thf(zip_derived_cl326, plain, (( (c3_1 @ a1996)) <= (( (c3_1 @ a1996)))),
% 1.33/1.35      inference('split', [status(esa)], [zip_derived_cl61])).
% 1.33/1.35  thf(zip_derived_cl1251, plain,
% 1.33/1.35      ((( (c2_1 @ a1996) | ~ (c1_1 @ a1996)))
% 1.33/1.35         <= (( (c3_1 @ a1996)) & 
% 1.33/1.35             (![X0 : $i]: (~ (c1_1 @ X0) |  (c2_1 @ X0) | ~ (c3_1 @ X0))))),
% 1.33/1.35      inference('s_sup+', [status(thm)], [zip_derived_cl541, zip_derived_cl326])).
% 1.33/1.35  thf('7', plain,
% 1.33/1.35      (~ (![X0 : $i]: (~ (c1_1 @ X0) |  (c2_1 @ X0) | ~ (c3_1 @ X0))) | 
% 1.33/1.35       ~ ( (c1_1 @ a1996)) | ~ ( (c3_1 @ a1996)) | ( (c2_1 @ a1996))),
% 1.33/1.35      inference('split', [status(esa)], [zip_derived_cl1251])).
% 1.33/1.35  thf('8', plain, (( (c3_1 @ a1996)) | ~ ( (hskp16))),
% 1.33/1.35      inference('split', [status(esa)], [zip_derived_cl61])).
% 1.33/1.35  thf(clause151, conjecture,
% 1.33/1.35    (~( ( hskp17 ) | ( hskp4 ) | ( c3_1 @ U ) | ( ~( ndr1_0 ) ) | 
% 1.33/1.35        ( ~( c2_1 @ U ) ) | ( ~( c0_1 @ U ) ) ))).
% 1.33/1.35  thf(zf_stmt_9, negated_conjecture,
% 1.33/1.35    (( hskp17 ) | ( hskp4 ) | ( c3_1 @ U ) | ( ~( ndr1_0 ) ) | 
% 1.33/1.35     ( ~( c2_1 @ U ) ) | ( ~( c0_1 @ U ) )),
% 1.33/1.35    inference('cnf.neg', [status(esa)], [clause151])).
% 1.33/1.35  thf(zip_derived_cl150, plain,
% 1.33/1.35      (![X0 : $i]:
% 1.33/1.35         ( (hskp17)
% 1.33/1.35          |  (hskp4)
% 1.33/1.35          |  (c3_1 @ X0)
% 1.33/1.35          | ~ (ndr1_0)
% 1.33/1.35          | ~ (c2_1 @ X0)
% 1.33/1.35          | ~ (c0_1 @ X0))),
% 1.33/1.35      inference('cnf', [status(esa)], [zf_stmt_9])).
% 1.33/1.35  thf('9', plain,
% 1.33/1.35      ((![X0 : $i]: (~ (c0_1 @ X0) | ~ (c2_1 @ X0) |  (c3_1 @ X0))) | 
% 1.33/1.35       ( (hskp17)) | ( (hskp4)) | ~ ( (ndr1_0))),
% 1.33/1.35      inference('split', [status(esa)], [zip_derived_cl150])).
% 1.33/1.35  thf(clause3, conjecture, (~( ( ndr1_0 ) | ( ~( hskp28 ) ) ))).
% 1.33/1.35  thf(zf_stmt_10, negated_conjecture, (( ndr1_0 ) | ( ~( hskp28 ) )),
% 1.33/1.35    inference('cnf.neg', [status(esa)], [clause3])).
% 1.33/1.35  thf(zip_derived_cl2, plain, (( (ndr1_0) | ~ (hskp28))),
% 1.33/1.35      inference('cnf', [status(esa)], [zf_stmt_10])).
% 1.33/1.35  thf('10', plain, (~ ( (hskp28)) | ( (ndr1_0))),
% 1.33/1.35      inference('split', [status(esa)], [zip_derived_cl2])).
% 1.33/1.35  thf(clause130, conjecture,
% 1.33/1.35    (~( ( hskp27 ) | ( hskp4 ) | ( c1_1 @ U ) | ( c0_1 @ U ) | 
% 1.33/1.35        ( ~( ndr1_0 ) ) | ( ~( c2_1 @ U ) ) ))).
% 1.33/1.35  thf(zf_stmt_11, negated_conjecture,
% 1.33/1.35    (( hskp27 ) | ( hskp4 ) | ( c1_1 @ U ) | ( c0_1 @ U ) | ( ~( ndr1_0 ) ) | 
% 1.33/1.35     ( ~( c2_1 @ U ) )),
% 1.33/1.35    inference('cnf.neg', [status(esa)], [clause130])).
% 1.33/1.35  thf(zip_derived_cl129, plain,
% 1.33/1.35      (![X0 : $i]:
% 1.33/1.35         ( (hskp27)
% 1.33/1.35          |  (hskp4)
% 1.33/1.35          |  (c1_1 @ X0)
% 1.33/1.35          |  (c0_1 @ X0)
% 1.33/1.35          | ~ (ndr1_0)
% 1.33/1.35          | ~ (c2_1 @ X0))),
% 1.33/1.35      inference('cnf', [status(esa)], [zf_stmt_11])).
% 1.33/1.35  thf(zip_derived_cl462, plain,
% 1.33/1.35      ((![X0 : $i]: ( (c1_1 @ X0) |  (c0_1 @ X0) | ~ (c2_1 @ X0)))
% 1.33/1.35         <= ((![X0 : $i]: ( (c1_1 @ X0) |  (c0_1 @ X0) | ~ (c2_1 @ X0))))),
% 1.33/1.35      inference('split', [status(esa)], [zip_derived_cl129])).
% 1.33/1.35  thf(clause70, conjecture, (~( ( c3_1 @ a1987 ) | ( ~( hskp10 ) ) ))).
% 1.33/1.35  thf(zf_stmt_12, negated_conjecture, (( c3_1 @ a1987 ) | ( ~( hskp10 ) )),
% 1.33/1.35    inference('cnf.neg', [status(esa)], [clause70])).
% 1.33/1.35  thf(zip_derived_cl69, plain, (( (c3_1 @ a1987) | ~ (hskp10))),
% 1.33/1.35      inference('cnf', [status(esa)], [zf_stmt_12])).
% 1.33/1.35  thf(zip_derived_cl342, plain, (( (c3_1 @ a1987)) <= (( (c3_1 @ a1987)))),
% 1.33/1.35      inference('split', [status(esa)], [zip_derived_cl69])).
% 1.33/1.35  thf(zip_derived_cl572, plain,
% 1.33/1.35      ((![X0 : $i]: (~ (c1_1 @ X0) | ~ (c0_1 @ X0) | ~ (c3_1 @ X0)))
% 1.33/1.35         <= ((![X0 : $i]: (~ (c1_1 @ X0) | ~ (c0_1 @ X0) | ~ (c3_1 @ X0))))),
% 1.33/1.35      inference('split', [status(esa)], [zip_derived_cl157])).
% 1.33/1.35  thf(zip_derived_cl925, plain,
% 1.33/1.35      (((~ (c1_1 @ a1987) | ~ (c0_1 @ a1987)))
% 1.33/1.35         <= (( (c3_1 @ a1987)) & 
% 1.33/1.35             (![X0 : $i]: (~ (c1_1 @ X0) | ~ (c0_1 @ X0) | ~ (c3_1 @ X0))))),
% 1.33/1.35      inference('s_sup-', [status(thm)], [zip_derived_cl342, zip_derived_cl572])).
% 1.33/1.35  thf(zip_derived_cl959, plain, ((~ (c0_1 @ a1987)) <= (~ ( (c0_1 @ a1987)))),
% 1.33/1.35      inference('split', [status(esa)], [zip_derived_cl925])).
% 1.33/1.35  thf(zip_derived_cl991, plain,
% 1.33/1.35      (((~ (c2_1 @ a1987) |  (c1_1 @ a1987)))
% 1.33/1.35         <= (~ ( (c0_1 @ a1987)) & 
% 1.33/1.35             (![X0 : $i]: ( (c1_1 @ X0) |  (c0_1 @ X0) | ~ (c2_1 @ X0))))),
% 1.33/1.35      inference('s_sup-', [status(thm)], [zip_derived_cl462, zip_derived_cl959])).
% 1.33/1.35  thf('11', plain,
% 1.33/1.35      (( (c0_1 @ a1987)) | 
% 1.33/1.35       ~ (![X0 : $i]: ( (c1_1 @ X0) |  (c0_1 @ X0) | ~ (c2_1 @ X0))) | 
% 1.33/1.35       ( (c1_1 @ a1987)) | ~ ( (c2_1 @ a1987))),
% 1.33/1.35      inference('split', [status(esa)], [zip_derived_cl991])).
% 1.33/1.35  thf(zip_derived_cl576, plain,
% 1.33/1.35      ((![X0 : $i]: (~ (c1_1 @ X0) | ~ (c2_1 @ X0) | ~ (c3_1 @ X0)))
% 1.33/1.35         <= ((![X0 : $i]: (~ (c1_1 @ X0) | ~ (c2_1 @ X0) | ~ (c3_1 @ X0))))),
% 1.33/1.35      inference('split', [status(esa)], [zip_derived_cl158])).
% 1.33/1.35  thf(clause39, conjecture, (~( ( c3_1 @ a2005 ) | ( ~( hskp30 ) ) ))).
% 1.33/1.35  thf(zf_stmt_13, negated_conjecture, (( c3_1 @ a2005 ) | ( ~( hskp30 ) )),
% 1.33/1.35    inference('cnf.neg', [status(esa)], [clause39])).
% 1.33/1.35  thf(zip_derived_cl38, plain, (( (c3_1 @ a2005) | ~ (hskp30))),
% 1.33/1.35      inference('cnf', [status(esa)], [zf_stmt_13])).
% 1.33/1.35  thf(zip_derived_cl280, plain, (( (c3_1 @ a2005)) <= (( (c3_1 @ a2005)))),
% 1.33/1.35      inference('split', [status(esa)], [zip_derived_cl38])).
% 1.33/1.35  thf(zip_derived_cl811, plain,
% 1.33/1.35      (((~ (c2_1 @ a2005) | ~ (c1_1 @ a2005)))
% 1.33/1.35         <= (( (c3_1 @ a2005)) & 
% 1.33/1.35             (![X0 : $i]: (~ (c1_1 @ X0) | ~ (c2_1 @ X0) | ~ (c3_1 @ X0))))),
% 1.33/1.35      inference('s_sup+', [status(thm)], [zip_derived_cl576, zip_derived_cl280])).
% 1.33/1.35  thf('12', plain,
% 1.33/1.35      (~ ( (c1_1 @ a2005)) | ~ ( (c2_1 @ a2005)) | 
% 1.33/1.35       ~ (![X0 : $i]: (~ (c1_1 @ X0) | ~ (c2_1 @ X0) | ~ (c3_1 @ X0))) | 
% 1.33/1.35       ~ ( (c3_1 @ a2005))),
% 1.33/1.35      inference('split', [status(esa)], [zip_derived_cl811])).
% 1.33/1.35  thf(clause146, conjecture,
% 1.33/1.35    (~( ( hskp15 ) | ( hskp30 ) | ( c1_1 @ U ) | ( ~( ndr1_0 ) ) | 
% 1.33/1.35        ( ~( c3_1 @ U ) ) | ( ~( c0_1 @ U ) ) ))).
% 1.33/1.35  thf(zf_stmt_14, negated_conjecture,
% 1.33/1.35    (( hskp15 ) | ( hskp30 ) | ( c1_1 @ U ) | ( ~( ndr1_0 ) ) | 
% 1.33/1.35     ( ~( c3_1 @ U ) ) | ( ~( c0_1 @ U ) )),
% 1.33/1.35    inference('cnf.neg', [status(esa)], [clause146])).
% 1.33/1.35  thf(zip_derived_cl145, plain,
% 1.33/1.35      (![X0 : $i]:
% 1.33/1.35         ( (hskp15)
% 1.33/1.35          |  (hskp30)
% 1.33/1.35          |  (c1_1 @ X0)
% 1.33/1.35          | ~ (ndr1_0)
% 1.33/1.35          | ~ (c3_1 @ X0)
% 1.33/1.35          | ~ (c0_1 @ X0))),
% 1.33/1.35      inference('cnf', [status(esa)], [zf_stmt_14])).
% 1.33/1.35  thf(zip_derived_cl525, plain,
% 1.33/1.35      ((![X0 : $i]: ( (c1_1 @ X0) | ~ (c0_1 @ X0) | ~ (c3_1 @ X0)))
% 1.33/1.35         <= ((![X0 : $i]: ( (c1_1 @ X0) | ~ (c0_1 @ X0) | ~ (c3_1 @ X0))))),
% 1.33/1.35      inference('split', [status(esa)], [zip_derived_cl145])).
% 1.33/1.35  thf(zip_derived_cl280, plain, (( (c3_1 @ a2005)) <= (( (c3_1 @ a2005)))),
% 1.33/1.35      inference('split', [status(esa)], [zip_derived_cl38])).
% 1.33/1.35  thf(zip_derived_cl1145, plain,
% 1.33/1.35      (((~ (c0_1 @ a2005) |  (c1_1 @ a2005)))
% 1.33/1.35         <= (( (c3_1 @ a2005)) & 
% 1.33/1.35             (![X0 : $i]: ( (c1_1 @ X0) | ~ (c0_1 @ X0) | ~ (c3_1 @ X0))))),
% 1.33/1.35      inference('s_sup+', [status(thm)], [zip_derived_cl525, zip_derived_cl280])).
% 1.33/1.35  thf('13', plain,
% 1.33/1.35      (~ (![X0 : $i]: ( (c1_1 @ X0) | ~ (c0_1 @ X0) | ~ (c3_1 @ X0))) | 
% 1.33/1.35       ( (c1_1 @ a2005)) | ~ ( (c0_1 @ a2005)) | ~ ( (c3_1 @ a2005))),
% 1.33/1.35      inference('split', [status(esa)], [zip_derived_cl1145])).
% 1.33/1.35  thf(zip_derived_cl525, plain,
% 1.33/1.35      ((![X0 : $i]: ( (c1_1 @ X0) | ~ (c0_1 @ X0) | ~ (c3_1 @ X0)))
% 1.33/1.35         <= ((![X0 : $i]: ( (c1_1 @ X0) | ~ (c0_1 @ X0) | ~ (c3_1 @ X0))))),
% 1.33/1.35      inference('split', [status(esa)], [zip_derived_cl145])).
% 1.33/1.35  thf(zip_derived_cl342, plain, (( (c3_1 @ a1987)) <= (( (c3_1 @ a1987)))),
% 1.33/1.35      inference('split', [status(esa)], [zip_derived_cl69])).
% 1.33/1.35  thf(zip_derived_cl1153, plain,
% 1.33/1.35      (((~ (c0_1 @ a1987) |  (c1_1 @ a1987)))
% 1.33/1.35         <= (( (c3_1 @ a1987)) & 
% 1.33/1.35             (![X0 : $i]: ( (c1_1 @ X0) | ~ (c0_1 @ X0) | ~ (c3_1 @ X0))))),
% 1.33/1.35      inference('s_sup+', [status(thm)], [zip_derived_cl525, zip_derived_cl342])).
% 1.33/1.35  thf('14', plain,
% 1.33/1.35      (~ (![X0 : $i]: ( (c1_1 @ X0) | ~ (c0_1 @ X0) | ~ (c3_1 @ X0))) | 
% 1.33/1.35       ~ ( (c0_1 @ a1987)) | ~ ( (c3_1 @ a1987)) | ( (c1_1 @ a1987))),
% 1.33/1.35      inference('split', [status(esa)], [zip_derived_cl1153])).
% 1.33/1.35  thf(clause179, conjecture,
% 1.33/1.35    (~( ( hskp14 ) | ( c3_1 @ V ) | ( c0_1 @ V ) | ( c1_1 @ U ) | 
% 1.33/1.35        ( ~( c2_1 @ V ) ) | ( ~( ndr1_0 ) ) | ( ~( c3_1 @ U ) ) | 
% 1.33/1.35        ( ~( c0_1 @ U ) ) ))).
% 1.33/1.35  thf(zf_stmt_15, negated_conjecture,
% 1.33/1.35    (( hskp14 ) | ( c3_1 @ V ) | ( c0_1 @ V ) | ( c1_1 @ U ) | 
% 1.33/1.35     ( ~( c2_1 @ V ) ) | ( ~( ndr1_0 ) ) | ( ~( c3_1 @ U ) ) | 
% 1.33/1.35     ( ~( c0_1 @ U ) )),
% 1.33/1.35    inference('cnf.neg', [status(esa)], [clause179])).
% 1.33/1.35  thf(zip_derived_cl178, plain,
% 1.33/1.35      (![X0 : $i, X1 : $i]:
% 1.33/1.35         ( (hskp14)
% 1.33/1.35          |  (c3_1 @ X0)
% 1.33/1.35          |  (c0_1 @ X0)
% 1.33/1.35          |  (c1_1 @ X1)
% 1.33/1.35          | ~ (c2_1 @ X0)
% 1.33/1.35          | ~ (ndr1_0)
% 1.33/1.35          | ~ (c3_1 @ X1)
% 1.33/1.35          | ~ (c0_1 @ X1))),
% 1.33/1.35      inference('cnf', [status(esa)], [zf_stmt_15])).
% 1.33/1.35  thf('15', plain,
% 1.33/1.35      (( (hskp14)) | 
% 1.33/1.35       (![X0 : $i]: ( (c0_1 @ X0) | ~ (c2_1 @ X0) |  (c3_1 @ X0))) | 
% 1.33/1.35       ~ ( (ndr1_0)) | 
% 1.33/1.35       (![X0 : $i]: ( (c1_1 @ X0) | ~ (c0_1 @ X0) | ~ (c3_1 @ X0)))),
% 1.33/1.35      inference('split', [status(esa)], [zip_derived_cl178])).
% 1.33/1.35  thf(clause185, conjecture,
% 1.33/1.35    (~( ( hskp27 ) | ( c1_1 @ V ) | ( ~( c3_1 @ V ) ) | ( ~( c2_1 @ V ) ) | 
% 1.33/1.35        ( ~( ndr1_0 ) ) | ( ~( c3_1 @ U ) ) | ( ~( c2_1 @ U ) ) | 
% 1.33/1.35        ( ~( c1_1 @ U ) ) ))).
% 1.33/1.35  thf(zf_stmt_16, negated_conjecture,
% 1.33/1.35    (( hskp27 ) | ( c1_1 @ V ) | ( ~( c3_1 @ V ) ) | ( ~( c2_1 @ V ) ) | 
% 1.33/1.35     ( ~( ndr1_0 ) ) | ( ~( c3_1 @ U ) ) | ( ~( c2_1 @ U ) ) | 
% 1.33/1.35     ( ~( c1_1 @ U ) )),
% 1.33/1.35    inference('cnf.neg', [status(esa)], [clause185])).
% 1.33/1.35  thf(zip_derived_cl184, plain,
% 1.33/1.35      (![X0 : $i, X1 : $i]:
% 1.33/1.35         ( (hskp27)
% 1.33/1.35          |  (c1_1 @ X0)
% 1.33/1.35          | ~ (c3_1 @ X0)
% 1.33/1.35          | ~ (c2_1 @ X0)
% 1.33/1.35          | ~ (ndr1_0)
% 1.33/1.35          | ~ (c3_1 @ X1)
% 1.33/1.35          | ~ (c2_1 @ X1)
% 1.33/1.35          | ~ (c1_1 @ X1))),
% 1.33/1.35      inference('cnf', [status(esa)], [zf_stmt_16])).
% 1.33/1.35  thf('16', plain,
% 1.33/1.35      ((![X0 : $i]: (~ (c1_1 @ X0) | ~ (c2_1 @ X0) | ~ (c3_1 @ X0))) | 
% 1.33/1.35       ( (hskp27)) | 
% 1.33/1.35       (![X0 : $i]: ( (c1_1 @ X0) | ~ (c2_1 @ X0) | ~ (c3_1 @ X0))) | 
% 1.33/1.35       ~ ( (ndr1_0))),
% 1.33/1.35      inference('split', [status(esa)], [zip_derived_cl184])).
% 1.33/1.35  thf(clause140, conjecture,
% 1.33/1.35    (~( ( hskp10 ) | ( c1_1 @ U ) | ( ~( ndr1_0 ) ) | ( ~( c3_1 @ U ) ) | 
% 1.33/1.35        ( ~( c2_1 @ U ) ) ))).
% 1.33/1.35  thf(zf_stmt_17, negated_conjecture,
% 1.33/1.35    (( hskp10 ) | ( c1_1 @ U ) | ( ~( ndr1_0 ) ) | ( ~( c3_1 @ U ) ) | 
% 1.33/1.35     ( ~( c2_1 @ U ) )),
% 1.33/1.35    inference('cnf.neg', [status(esa)], [clause140])).
% 1.33/1.35  thf(zip_derived_cl139, plain,
% 1.33/1.35      (![X0 : $i]:
% 1.33/1.35         ( (hskp10) |  (c1_1 @ X0) | ~ (ndr1_0) | ~ (c3_1 @ X0) | ~ (c2_1 @ X0))),
% 1.33/1.35      inference('cnf', [status(esa)], [zf_stmt_17])).
% 1.33/1.35  thf(zip_derived_cl502, plain,
% 1.33/1.35      ((![X0 : $i]: ( (c1_1 @ X0) | ~ (c2_1 @ X0) | ~ (c3_1 @ X0)))
% 1.33/1.35         <= ((![X0 : $i]: ( (c1_1 @ X0) | ~ (c2_1 @ X0) | ~ (c3_1 @ X0))))),
% 1.33/1.35      inference('split', [status(esa)], [zip_derived_cl139])).
% 1.33/1.35  thf(zip_derived_cl280, plain, (( (c3_1 @ a2005)) <= (( (c3_1 @ a2005)))),
% 1.33/1.35      inference('split', [status(esa)], [zip_derived_cl38])).
% 1.33/1.35  thf(zip_derived_cl1011, plain,
% 1.33/1.35      (((~ (c2_1 @ a2005) |  (c1_1 @ a2005)))
% 1.33/1.35         <= (( (c3_1 @ a2005)) & 
% 1.33/1.35             (![X0 : $i]: ( (c1_1 @ X0) | ~ (c2_1 @ X0) | ~ (c3_1 @ X0))))),
% 1.33/1.35      inference('s_sup+', [status(thm)], [zip_derived_cl502, zip_derived_cl280])).
% 1.33/1.35  thf('17', plain,
% 1.33/1.35      (( (c1_1 @ a2005)) | ~ ( (c3_1 @ a2005)) | 
% 1.33/1.35       ~ (![X0 : $i]: ( (c1_1 @ X0) | ~ (c2_1 @ X0) | ~ (c3_1 @ X0))) | 
% 1.33/1.35       ~ ( (c2_1 @ a2005))),
% 1.33/1.35      inference('split', [status(esa)], [zip_derived_cl1011])).
% 1.33/1.35  thf(clause37, conjecture, (~( ( c0_1 @ a2005 ) | ( ~( hskp30 ) ) ))).
% 1.33/1.35  thf(zf_stmt_18, negated_conjecture, (( c0_1 @ a2005 ) | ( ~( hskp30 ) )),
% 1.33/1.35    inference('cnf.neg', [status(esa)], [clause37])).
% 1.33/1.35  thf(zip_derived_cl36, plain, (( (c0_1 @ a2005) | ~ (hskp30))),
% 1.33/1.35      inference('cnf', [status(esa)], [zf_stmt_18])).
% 1.33/1.35  thf('18', plain, (( (c0_1 @ a2005)) | ~ ( (hskp30))),
% 1.33/1.35      inference('split', [status(esa)], [zip_derived_cl36])).
% 1.33/1.35  thf(clause38, conjecture, (~( ( c2_1 @ a2005 ) | ( ~( hskp30 ) ) ))).
% 1.33/1.35  thf(zf_stmt_19, negated_conjecture, (( c2_1 @ a2005 ) | ( ~( hskp30 ) )),
% 1.33/1.35    inference('cnf.neg', [status(esa)], [clause38])).
% 1.33/1.35  thf(zip_derived_cl37, plain, (( (c2_1 @ a2005) | ~ (hskp30))),
% 1.33/1.35      inference('cnf', [status(esa)], [zf_stmt_19])).
% 1.33/1.35  thf('19', plain, (( (c2_1 @ a2005)) | ~ ( (hskp30))),
% 1.33/1.35      inference('split', [status(esa)], [zip_derived_cl37])).
% 1.33/1.35  thf('20', plain, (( (c3_1 @ a2005)) | ~ ( (hskp30))),
% 1.33/1.35      inference('split', [status(esa)], [zip_derived_cl38])).
% 1.33/1.35  thf(clause134, conjecture,
% 1.33/1.35    (~( ( hskp5 ) | ( hskp30 ) | ( c2_1 @ U ) | ( c1_1 @ U ) | 
% 1.33/1.35        ( ~( ndr1_0 ) ) | ( ~( c0_1 @ U ) ) ))).
% 1.33/1.35  thf(zf_stmt_20, negated_conjecture,
% 1.33/1.35    (( hskp5 ) | ( hskp30 ) | ( c2_1 @ U ) | ( c1_1 @ U ) | ( ~( ndr1_0 ) ) | 
% 1.33/1.35     ( ~( c0_1 @ U ) )),
% 1.33/1.35    inference('cnf.neg', [status(esa)], [clause134])).
% 1.33/1.35  thf(zip_derived_cl133, plain,
% 1.33/1.35      (![X0 : $i]:
% 1.33/1.35         ( (hskp5)
% 1.33/1.35          |  (hskp30)
% 1.33/1.35          |  (c2_1 @ X0)
% 1.33/1.35          |  (c1_1 @ X0)
% 1.33/1.35          | ~ (ndr1_0)
% 1.33/1.35          | ~ (c0_1 @ X0))),
% 1.33/1.35      inference('cnf', [status(esa)], [zf_stmt_20])).
% 1.33/1.35  thf('21', plain,
% 1.33/1.35      ((![X0 : $i]: ( (c1_1 @ X0) | ~ (c0_1 @ X0) |  (c2_1 @ X0))) | 
% 1.33/1.35       ( (hskp5)) | ( (hskp30)) | ~ ( (ndr1_0))),
% 1.33/1.35      inference('split', [status(esa)], [zip_derived_cl133])).
% 1.33/1.35  thf(zip_derived_cl462, plain,
% 1.33/1.35      ((![X0 : $i]: ( (c1_1 @ X0) |  (c0_1 @ X0) | ~ (c2_1 @ X0)))
% 1.33/1.35         <= ((![X0 : $i]: ( (c1_1 @ X0) |  (c0_1 @ X0) | ~ (c2_1 @ X0))))),
% 1.33/1.35      inference('split', [status(esa)], [zip_derived_cl129])).
% 1.33/1.35  thf(clause110, conjecture, (~( ( ~( hskp11 ) ) | ( ~( c0_1 @ a1989 ) ) ))).
% 1.33/1.35  thf(zf_stmt_21, negated_conjecture,
% 1.33/1.35    (( ~( hskp11 ) ) | ( ~( c0_1 @ a1989 ) )),
% 1.33/1.35    inference('cnf.neg', [status(esa)], [clause110])).
% 1.33/1.35  thf(zip_derived_cl109, plain, ((~ (hskp11) | ~ (c0_1 @ a1989))),
% 1.33/1.35      inference('cnf', [status(esa)], [zf_stmt_21])).
% 1.33/1.35  thf(zip_derived_cl422, plain, ((~ (c0_1 @ a1989)) <= (~ ( (c0_1 @ a1989)))),
% 1.33/1.35      inference('split', [status(esa)], [zip_derived_cl109])).
% 1.33/1.35  thf(zip_derived_cl990, plain,
% 1.33/1.35      (((~ (c2_1 @ a1989) |  (c1_1 @ a1989)))
% 1.33/1.35         <= (~ ( (c0_1 @ a1989)) & 
% 1.33/1.35             (![X0 : $i]: ( (c1_1 @ X0) |  (c0_1 @ X0) | ~ (c2_1 @ X0))))),
% 1.33/1.35      inference('s_sup-', [status(thm)], [zip_derived_cl462, zip_derived_cl422])).
% 1.33/1.35  thf('22', plain,
% 1.33/1.35      (( (c1_1 @ a1989)) | ~ ( (c2_1 @ a1989)) | 
% 1.33/1.35       ~ (![X0 : $i]: ( (c1_1 @ X0) |  (c0_1 @ X0) | ~ (c2_1 @ X0))) | 
% 1.33/1.35       ( (c0_1 @ a1989))),
% 1.33/1.35      inference('split', [status(esa)], [zip_derived_cl990])).
% 1.33/1.35  thf(clause154, conjecture,
% 1.33/1.35    (~( ( hskp10 ) | ( hskp14 ) | ( c3_1 @ U ) | ( ~( ndr1_0 ) ) | 
% 1.33/1.35        ( ~( c2_1 @ U ) ) | ( ~( c1_1 @ U ) ) ))).
% 1.33/1.35  thf(zf_stmt_22, negated_conjecture,
% 1.33/1.35    (( hskp10 ) | ( hskp14 ) | ( c3_1 @ U ) | ( ~( ndr1_0 ) ) | 
% 1.33/1.35     ( ~( c2_1 @ U ) ) | ( ~( c1_1 @ U ) )),
% 1.33/1.35    inference('cnf.neg', [status(esa)], [clause154])).
% 1.33/1.35  thf(zip_derived_cl153, plain,
% 1.33/1.35      (![X0 : $i]:
% 1.33/1.35         ( (hskp10)
% 1.33/1.35          |  (hskp14)
% 1.33/1.35          |  (c3_1 @ X0)
% 1.33/1.35          | ~ (ndr1_0)
% 1.33/1.35          | ~ (c2_1 @ X0)
% 1.33/1.35          | ~ (c1_1 @ X0))),
% 1.33/1.35      inference('cnf', [status(esa)], [zf_stmt_22])).
% 1.33/1.35  thf(zip_derived_cl557, plain,
% 1.33/1.35      ((![X0 : $i]: (~ (c1_1 @ X0) | ~ (c2_1 @ X0) |  (c3_1 @ X0)))
% 1.33/1.35         <= ((![X0 : $i]: (~ (c1_1 @ X0) | ~ (c2_1 @ X0) |  (c3_1 @ X0))))),
% 1.33/1.35      inference('split', [status(esa)], [zip_derived_cl153])).
% 1.33/1.35  thf(clause111, conjecture, (~( ( ~( hskp11 ) ) | ( ~( c3_1 @ a1989 ) ) ))).
% 1.33/1.35  thf(zf_stmt_23, negated_conjecture,
% 1.33/1.35    (( ~( hskp11 ) ) | ( ~( c3_1 @ a1989 ) )),
% 1.33/1.35    inference('cnf.neg', [status(esa)], [clause111])).
% 1.33/1.35  thf(zip_derived_cl110, plain, ((~ (hskp11) | ~ (c3_1 @ a1989))),
% 1.33/1.35      inference('cnf', [status(esa)], [zf_stmt_23])).
% 1.33/1.35  thf(zip_derived_cl424, plain, ((~ (c3_1 @ a1989)) <= (~ ( (c3_1 @ a1989)))),
% 1.33/1.35      inference('split', [status(esa)], [zip_derived_cl110])).
% 1.33/1.35  thf(zip_derived_cl1608, plain,
% 1.33/1.35      (((~ (c2_1 @ a1989) | ~ (c1_1 @ a1989)))
% 1.33/1.35         <= (~ ( (c3_1 @ a1989)) & 
% 1.33/1.35             (![X0 : $i]: (~ (c1_1 @ X0) | ~ (c2_1 @ X0) |  (c3_1 @ X0))))),
% 1.33/1.35      inference('s_sup-', [status(thm)], [zip_derived_cl557, zip_derived_cl424])).
% 1.33/1.35  thf('23', plain,
% 1.33/1.35      (~ ( (c1_1 @ a1989)) | 
% 1.33/1.35       ~ (![X0 : $i]: (~ (c1_1 @ X0) | ~ (c2_1 @ X0) |  (c3_1 @ X0))) | 
% 1.33/1.35       ( (c3_1 @ a1989)) | ~ ( (c2_1 @ a1989))),
% 1.33/1.35      inference('split', [status(esa)], [zip_derived_cl1608])).
% 1.33/1.35  thf('24', plain,
% 1.33/1.35      (( (hskp14)) | 
% 1.33/1.35       (![X0 : $i]: (~ (c1_1 @ X0) | ~ (c2_1 @ X0) |  (c3_1 @ X0))) | 
% 1.33/1.35       ~ ( (ndr1_0)) | ( (hskp10))),
% 1.33/1.35      inference('split', [status(esa)], [zip_derived_cl153])).
% 1.33/1.35  thf(clause155, conjecture,
% 1.33/1.35    (~( ( hskp17 ) | ( ~( ndr1_0 ) ) | ( ~( c2_1 @ U ) ) | ( ~( c1_1 @ U ) ) | 
% 1.33/1.35        ( ~( c0_1 @ U ) ) ))).
% 1.33/1.35  thf(zf_stmt_24, negated_conjecture,
% 1.33/1.35    (( hskp17 ) | ( ~( ndr1_0 ) ) | ( ~( c2_1 @ U ) ) | ( ~( c1_1 @ U ) ) | 
% 1.33/1.35     ( ~( c0_1 @ U ) )),
% 1.33/1.35    inference('cnf.neg', [status(esa)], [clause155])).
% 1.33/1.35  thf(zip_derived_cl154, plain,
% 1.33/1.35      (![X0 : $i]:
% 1.33/1.35         ( (hskp17)
% 1.33/1.35          | ~ (ndr1_0)
% 1.33/1.35          | ~ (c2_1 @ X0)
% 1.33/1.35          | ~ (c1_1 @ X0)
% 1.33/1.35          | ~ (c0_1 @ X0))),
% 1.33/1.35      inference('cnf', [status(esa)], [zf_stmt_24])).
% 1.33/1.35  thf(zip_derived_cl561, plain,
% 1.33/1.35      ((![X0 : $i]: (~ (c1_1 @ X0) | ~ (c0_1 @ X0) | ~ (c2_1 @ X0)))
% 1.33/1.35         <= ((![X0 : $i]: (~ (c1_1 @ X0) | ~ (c0_1 @ X0) | ~ (c2_1 @ X0))))),
% 1.33/1.35      inference('split', [status(esa)], [zip_derived_cl154])).
% 1.33/1.35  thf(zip_derived_cl276, plain, (( (c0_1 @ a2005)) <= (( (c0_1 @ a2005)))),
% 1.33/1.35      inference('split', [status(esa)], [zip_derived_cl36])).
% 1.33/1.35  thf(zip_derived_cl758, plain,
% 1.33/1.35      (((~ (c2_1 @ a2005) | ~ (c1_1 @ a2005)))
% 1.33/1.35         <= (( (c0_1 @ a2005)) & 
% 1.33/1.35             (![X0 : $i]: (~ (c1_1 @ X0) | ~ (c0_1 @ X0) | ~ (c2_1 @ X0))))),
% 1.33/1.35      inference('s_sup+', [status(thm)], [zip_derived_cl561, zip_derived_cl276])).
% 1.33/1.35  thf('25', plain,
% 1.33/1.35      (~ ( (c1_1 @ a2005)) | ~ ( (c0_1 @ a2005)) | ~ ( (c2_1 @ a2005)) | 
% 1.33/1.35       ~ (![X0 : $i]: (~ (c1_1 @ X0) | ~ (c0_1 @ X0) | ~ (c2_1 @ X0)))),
% 1.33/1.35      inference('split', [status(esa)], [zip_derived_cl758])).
% 1.33/1.35  thf(clause142, conjecture,
% 1.33/1.35    (~( ( hskp17 ) | ( hskp13 ) | ( c0_1 @ U ) | ( ~( ndr1_0 ) ) | 
% 1.33/1.35        ( ~( c3_1 @ U ) ) | ( ~( c1_1 @ U ) ) ))).
% 1.33/1.35  thf(zf_stmt_25, negated_conjecture,
% 1.33/1.35    (( hskp17 ) | ( hskp13 ) | ( c0_1 @ U ) | ( ~( ndr1_0 ) ) | 
% 1.33/1.35     ( ~( c3_1 @ U ) ) | ( ~( c1_1 @ U ) )),
% 1.33/1.35    inference('cnf.neg', [status(esa)], [clause142])).
% 1.33/1.35  thf(zip_derived_cl141, plain,
% 1.33/1.35      (![X0 : $i]:
% 1.33/1.35         ( (hskp17)
% 1.33/1.35          |  (hskp13)
% 1.33/1.35          |  (c0_1 @ X0)
% 1.33/1.35          | ~ (ndr1_0)
% 1.33/1.35          | ~ (c3_1 @ X0)
% 1.33/1.35          | ~ (c1_1 @ X0))),
% 1.33/1.35      inference('cnf', [status(esa)], [zf_stmt_25])).
% 1.33/1.35  thf(zip_derived_cl509, plain,
% 1.33/1.35      ((![X0 : $i]: (~ (c1_1 @ X0) |  (c0_1 @ X0) | ~ (c3_1 @ X0)))
% 1.33/1.35         <= ((![X0 : $i]: (~ (c1_1 @ X0) |  (c0_1 @ X0) | ~ (c3_1 @ X0))))),
% 1.33/1.35      inference('split', [status(esa)], [zip_derived_cl141])).
% 1.33/1.35  thf(zip_derived_cl298, plain, (( (c3_1 @ a1970)) <= (( (c3_1 @ a1970)))),
% 1.33/1.35      inference('split', [status(esa)], [zip_derived_cl47])).
% 1.33/1.35  thf(zip_derived_cl1037, plain,
% 1.33/1.35      ((( (c0_1 @ a1970) | ~ (c1_1 @ a1970)))
% 1.33/1.35         <= (( (c3_1 @ a1970)) & 
% 1.33/1.35             (![X0 : $i]: (~ (c1_1 @ X0) |  (c0_1 @ X0) | ~ (c3_1 @ X0))))),
% 1.33/1.35      inference('s_sup+', [status(thm)], [zip_derived_cl509, zip_derived_cl298])).
% 1.33/1.35  thf('26', plain,
% 1.33/1.35      (( (c0_1 @ a1970)) | ~ ( (c3_1 @ a1970)) | 
% 1.33/1.35       ~ (![X0 : $i]: (~ (c1_1 @ X0) |  (c0_1 @ X0) | ~ (c3_1 @ X0))) | 
% 1.33/1.35       ~ ( (c1_1 @ a1970))),
% 1.33/1.35      inference('split', [status(esa)], [zip_derived_cl1037])).
% 1.33/1.35  thf(clause64, conjecture, (~( ( c1_1 @ a1992 ) | ( ~( hskp14 ) ) ))).
% 1.33/1.35  thf(zf_stmt_26, negated_conjecture, (( c1_1 @ a1992 ) | ( ~( hskp14 ) )),
% 1.33/1.35    inference('cnf.neg', [status(esa)], [clause64])).
% 1.33/1.35  thf(zip_derived_cl63, plain, (( (c1_1 @ a1992) | ~ (hskp14))),
% 1.33/1.35      inference('cnf', [status(esa)], [zf_stmt_26])).
% 1.33/1.35  thf('27', plain, (( (c1_1 @ a1992)) | ~ ( (hskp14))),
% 1.33/1.35      inference('split', [status(esa)], [zip_derived_cl63])).
% 1.33/1.35  thf(clause105, conjecture, (~( ( ~( hskp14 ) ) | ( ~( c0_1 @ a1992 ) ) ))).
% 1.33/1.35  thf(zf_stmt_27, negated_conjecture,
% 1.33/1.35    (( ~( hskp14 ) ) | ( ~( c0_1 @ a1992 ) )),
% 1.33/1.35    inference('cnf.neg', [status(esa)], [clause105])).
% 1.33/1.35  thf(zip_derived_cl104, plain, ((~ (hskp14) | ~ (c0_1 @ a1992))),
% 1.33/1.35      inference('cnf', [status(esa)], [zf_stmt_27])).
% 1.33/1.35  thf('28', plain, (~ ( (c0_1 @ a1992)) | ~ ( (hskp14))),
% 1.33/1.35      inference('split', [status(esa)], [zip_derived_cl104])).
% 1.33/1.35  thf(clause106, conjecture, (~( ( ~( hskp14 ) ) | ( ~( c2_1 @ a1992 ) ) ))).
% 1.33/1.35  thf(zf_stmt_28, negated_conjecture,
% 1.33/1.35    (( ~( hskp14 ) ) | ( ~( c2_1 @ a1992 ) )),
% 1.33/1.35    inference('cnf.neg', [status(esa)], [clause106])).
% 1.33/1.35  thf(zip_derived_cl105, plain, ((~ (hskp14) | ~ (c2_1 @ a1992))),
% 1.33/1.35      inference('cnf', [status(esa)], [zf_stmt_28])).
% 1.33/1.35  thf('29', plain, (~ ( (c2_1 @ a1992)) | ~ ( (hskp14))),
% 1.33/1.35      inference('split', [status(esa)], [zip_derived_cl105])).
% 1.33/1.35  thf(clause132, conjecture,
% 1.33/1.35    (~( ( hskp8 ) | ( hskp28 ) | ( c2_1 @ U ) | ( c0_1 @ U ) | 
% 1.33/1.35        ( ~( ndr1_0 ) ) | ( ~( c1_1 @ U ) ) ))).
% 1.33/1.35  thf(zf_stmt_29, negated_conjecture,
% 1.33/1.35    (( hskp8 ) | ( hskp28 ) | ( c2_1 @ U ) | ( c0_1 @ U ) | ( ~( ndr1_0 ) ) | 
% 1.33/1.35     ( ~( c1_1 @ U ) )),
% 1.33/1.35    inference('cnf.neg', [status(esa)], [clause132])).
% 1.33/1.35  thf(zip_derived_cl131, plain,
% 1.33/1.35      (![X0 : $i]:
% 1.33/1.35         ( (hskp8)
% 1.33/1.35          |  (hskp28)
% 1.33/1.35          |  (c2_1 @ X0)
% 1.33/1.35          |  (c0_1 @ X0)
% 1.33/1.35          | ~ (ndr1_0)
% 1.33/1.35          | ~ (c1_1 @ X0))),
% 1.33/1.35      inference('cnf', [status(esa)], [zf_stmt_29])).
% 1.33/1.35  thf(zip_derived_cl470, plain,
% 1.33/1.35      ((![X0 : $i]: (~ (c1_1 @ X0) |  (c0_1 @ X0) |  (c2_1 @ X0)))
% 1.33/1.35         <= ((![X0 : $i]: (~ (c1_1 @ X0) |  (c0_1 @ X0) |  (c2_1 @ X0))))),
% 1.33/1.35      inference('split', [status(esa)], [zip_derived_cl131])).
% 1.33/1.35  thf(zip_derived_cl412, plain, ((~ (c0_1 @ a1992)) <= (~ ( (c0_1 @ a1992)))),
% 1.33/1.35      inference('split', [status(esa)], [zip_derived_cl104])).
% 1.33/1.35  thf(zip_derived_cl1216, plain,
% 1.33/1.35      ((( (c2_1 @ a1992) | ~ (c1_1 @ a1992)))
% 1.33/1.35         <= (~ ( (c0_1 @ a1992)) & 
% 1.33/1.35             (![X0 : $i]: (~ (c1_1 @ X0) |  (c0_1 @ X0) |  (c2_1 @ X0))))),
% 1.33/1.35      inference('s_sup-', [status(thm)], [zip_derived_cl470, zip_derived_cl412])).
% 1.33/1.35  thf('30', plain,
% 1.33/1.35      (~ (![X0 : $i]: (~ (c1_1 @ X0) |  (c0_1 @ X0) |  (c2_1 @ X0))) | 
% 1.33/1.35       ( (c0_1 @ a1992)) | ( (c2_1 @ a1992)) | ~ ( (c1_1 @ a1992))),
% 1.33/1.35      inference('split', [status(esa)], [zip_derived_cl1216])).
% 1.33/1.35  thf(clause172, conjecture,
% 1.33/1.35    (~( ( hskp7 ) | ( c2_1 @ V ) | ( c0_1 @ V ) | ( c0_1 @ U ) | 
% 1.33/1.35        ( ~( c1_1 @ V ) ) | ( ~( ndr1_0 ) ) | ( ~( c2_1 @ U ) ) | 
% 1.33/1.35        ( ~( c1_1 @ U ) ) ))).
% 1.33/1.35  thf(zf_stmt_30, negated_conjecture,
% 1.33/1.35    (( hskp7 ) | ( c2_1 @ V ) | ( c0_1 @ V ) | ( c0_1 @ U ) | 
% 1.33/1.35     ( ~( c1_1 @ V ) ) | ( ~( ndr1_0 ) ) | ( ~( c2_1 @ U ) ) | 
% 1.33/1.35     ( ~( c1_1 @ U ) )),
% 1.33/1.35    inference('cnf.neg', [status(esa)], [clause172])).
% 1.33/1.35  thf(zip_derived_cl171, plain,
% 1.33/1.35      (![X0 : $i, X1 : $i]:
% 1.33/1.35         ( (hskp7)
% 1.33/1.35          |  (c2_1 @ X0)
% 1.33/1.35          |  (c0_1 @ X0)
% 1.33/1.35          |  (c0_1 @ X1)
% 1.33/1.35          | ~ (c1_1 @ X0)
% 1.33/1.35          | ~ (ndr1_0)
% 1.33/1.35          | ~ (c2_1 @ X1)
% 1.33/1.35          | ~ (c1_1 @ X1))),
% 1.33/1.35      inference('cnf', [status(esa)], [zf_stmt_30])).
% 1.33/1.35  thf('31', plain,
% 1.33/1.35      (( (hskp7)) | 
% 1.33/1.35       (![X1 : $i]: (~ (c2_1 @ X1) |  (c0_1 @ X1) | ~ (c1_1 @ X1))) | 
% 1.33/1.35       (![X0 : $i]: (~ (c1_1 @ X0) |  (c0_1 @ X0) |  (c2_1 @ X0))) | 
% 1.33/1.35       ~ ( (ndr1_0))),
% 1.33/1.35      inference('split', [status(esa)], [zip_derived_cl171])).
% 1.33/1.35  thf(zip_derived_cl603, plain,
% 1.33/1.35      ((![X1 : $i]: ( (c3_1 @ X1) |  (c2_1 @ X1) | ~ (c1_1 @ X1)))
% 1.33/1.35         <= ((![X1 : $i]: ( (c3_1 @ X1) |  (c2_1 @ X1) | ~ (c1_1 @ X1))))),
% 1.33/1.35      inference('split', [status(esa)], [zip_derived_cl165])).
% 1.33/1.35  thf(clause117, conjecture, (~( ( ~( hskp7 ) ) | ( ~( c3_1 @ a1981 ) ) ))).
% 1.33/1.35  thf(zf_stmt_31, negated_conjecture, (( ~( hskp7 ) ) | ( ~( c3_1 @ a1981 ) )),
% 1.33/1.35    inference('cnf.neg', [status(esa)], [clause117])).
% 1.33/1.35  thf(zip_derived_cl116, plain, ((~ (hskp7) | ~ (c3_1 @ a1981))),
% 1.33/1.35      inference('cnf', [status(esa)], [zf_stmt_31])).
% 1.33/1.35  thf(zip_derived_cl436, plain, ((~ (c3_1 @ a1981)) <= (~ ( (c3_1 @ a1981)))),
% 1.33/1.35      inference('split', [status(esa)], [zip_derived_cl116])).
% 1.33/1.35  thf(zip_derived_cl1997, plain,
% 1.33/1.35      (((~ (c1_1 @ a1981) |  (c2_1 @ a1981)))
% 1.33/1.35         <= (~ ( (c3_1 @ a1981)) & 
% 1.33/1.35             (![X1 : $i]: ( (c3_1 @ X1) |  (c2_1 @ X1) | ~ (c1_1 @ X1))))),
% 1.33/1.35      inference('s_sup-', [status(thm)], [zip_derived_cl603, zip_derived_cl436])).
% 1.33/1.35  thf('32', plain,
% 1.33/1.35      (( (c2_1 @ a1981)) | ( (c3_1 @ a1981)) | 
% 1.33/1.35       ~ (![X1 : $i]: ( (c3_1 @ X1) |  (c2_1 @ X1) | ~ (c1_1 @ X1))) | 
% 1.33/1.35       ~ ( (c1_1 @ a1981))),
% 1.33/1.35      inference('split', [status(esa)], [zip_derived_cl1997])).
% 1.33/1.35  thf(clause73, conjecture, (~( ( c0_1 @ a1981 ) | ( ~( hskp7 ) ) ))).
% 1.33/1.35  thf(zf_stmt_32, negated_conjecture, (( c0_1 @ a1981 ) | ( ~( hskp7 ) )),
% 1.33/1.35    inference('cnf.neg', [status(esa)], [clause73])).
% 1.33/1.35  thf(zip_derived_cl72, plain, (( (c0_1 @ a1981) | ~ (hskp7))),
% 1.33/1.35      inference('cnf', [status(esa)], [zf_stmt_32])).
% 1.33/1.35  thf('33', plain, (( (c0_1 @ a1981)) | ~ ( (hskp7))),
% 1.33/1.35      inference('split', [status(esa)], [zip_derived_cl72])).
% 1.33/1.35  thf(clause74, conjecture, (~( ( c1_1 @ a1981 ) | ( ~( hskp7 ) ) ))).
% 1.33/1.35  thf(zf_stmt_33, negated_conjecture, (( c1_1 @ a1981 ) | ( ~( hskp7 ) )),
% 1.33/1.35    inference('cnf.neg', [status(esa)], [clause74])).
% 1.33/1.35  thf(zip_derived_cl73, plain, (( (c1_1 @ a1981) | ~ (hskp7))),
% 1.33/1.35      inference('cnf', [status(esa)], [zf_stmt_33])).
% 1.33/1.35  thf('34', plain, (( (c1_1 @ a1981)) | ~ ( (hskp7))),
% 1.33/1.35      inference('split', [status(esa)], [zip_derived_cl73])).
% 1.33/1.35  thf('35', plain, (~ ( (c3_1 @ a1981)) | ~ ( (hskp7))),
% 1.33/1.35      inference('split', [status(esa)], [zip_derived_cl116])).
% 1.33/1.35  thf(zip_derived_cl348, plain, (( (c0_1 @ a1981)) <= (( (c0_1 @ a1981)))),
% 1.33/1.35      inference('split', [status(esa)], [zip_derived_cl72])).
% 1.33/1.35  thf(zip_derived_cl561, plain,
% 1.33/1.35      ((![X0 : $i]: (~ (c1_1 @ X0) | ~ (c0_1 @ X0) | ~ (c2_1 @ X0)))
% 1.33/1.35         <= ((![X0 : $i]: (~ (c1_1 @ X0) | ~ (c0_1 @ X0) | ~ (c2_1 @ X0))))),
% 1.33/1.35      inference('split', [status(esa)], [zip_derived_cl154])).
% 1.33/1.35  thf(zip_derived_cl943, plain,
% 1.33/1.35      (((~ (c1_1 @ a1981) | ~ (c2_1 @ a1981)))
% 1.33/1.35         <= (( (c0_1 @ a1981)) & 
% 1.33/1.35             (![X0 : $i]: (~ (c1_1 @ X0) | ~ (c0_1 @ X0) | ~ (c2_1 @ X0))))),
% 1.33/1.35      inference('s_sup-', [status(thm)], [zip_derived_cl348, zip_derived_cl561])).
% 1.33/1.35  thf('36', plain,
% 1.33/1.35      (~ ( (c2_1 @ a1981)) | ~ ( (c0_1 @ a1981)) | 
% 1.33/1.35       ~ (![X0 : $i]: (~ (c1_1 @ X0) | ~ (c0_1 @ X0) | ~ (c2_1 @ X0))) | 
% 1.33/1.35       ~ ( (c1_1 @ a1981))),
% 1.33/1.35      inference('split', [status(esa)], [zip_derived_cl943])).
% 1.33/1.35  thf(clause136, conjecture,
% 1.33/1.35    (~( ( hskp10 ) | ( hskp1 ) | ( c2_1 @ U ) | ( c1_1 @ U ) | 
% 1.33/1.35        ( ~( ndr1_0 ) ) | ( ~( c3_1 @ U ) ) ))).
% 1.33/1.35  thf(zf_stmt_34, negated_conjecture,
% 1.33/1.35    (( hskp10 ) | ( hskp1 ) | ( c2_1 @ U ) | ( c1_1 @ U ) | ( ~( ndr1_0 ) ) | 
% 1.33/1.35     ( ~( c3_1 @ U ) )),
% 1.33/1.35    inference('cnf.neg', [status(esa)], [clause136])).
% 1.33/1.35  thf(zip_derived_cl135, plain,
% 1.33/1.35      (![X0 : $i]:
% 1.33/1.35         ( (hskp10)
% 1.33/1.35          |  (hskp1)
% 1.33/1.35          |  (c2_1 @ X0)
% 1.33/1.35          |  (c1_1 @ X0)
% 1.33/1.35          | ~ (ndr1_0)
% 1.33/1.35          | ~ (c3_1 @ X0))),
% 1.33/1.35      inference('cnf', [status(esa)], [zf_stmt_34])).
% 1.33/1.35  thf(zip_derived_cl486, plain,
% 1.33/1.35      ((![X0 : $i]: ( (c1_1 @ X0) |  (c2_1 @ X0) | ~ (c3_1 @ X0)))
% 1.33/1.35         <= ((![X0 : $i]: ( (c1_1 @ X0) |  (c2_1 @ X0) | ~ (c3_1 @ X0))))),
% 1.33/1.35      inference('split', [status(esa)], [zip_derived_cl135])).
% 1.33/1.35  thf(clause75, conjecture, (~( ( c3_1 @ a1979 ) | ( ~( hskp6 ) ) ))).
% 1.33/1.35  thf(zf_stmt_35, negated_conjecture, (( c3_1 @ a1979 ) | ( ~( hskp6 ) )),
% 1.33/1.35    inference('cnf.neg', [status(esa)], [clause75])).
% 1.33/1.35  thf(zip_derived_cl74, plain, (( (c3_1 @ a1979) | ~ (hskp6))),
% 1.33/1.35      inference('cnf', [status(esa)], [zf_stmt_35])).
% 1.33/1.35  thf(zip_derived_cl352, plain, (( (c3_1 @ a1979)) <= (( (c3_1 @ a1979)))),
% 1.33/1.35      inference('split', [status(esa)], [zip_derived_cl74])).
% 1.33/1.35  thf(zip_derived_cl1413, plain,
% 1.33/1.35      ((( (c2_1 @ a1979) |  (c1_1 @ a1979)))
% 1.33/1.35         <= (( (c3_1 @ a1979)) & 
% 1.33/1.35             (![X0 : $i]: ( (c1_1 @ X0) |  (c2_1 @ X0) | ~ (c3_1 @ X0))))),
% 1.33/1.35      inference('s_sup+', [status(thm)], [zip_derived_cl486, zip_derived_cl352])).
% 1.33/1.35  thf('37', plain,
% 1.33/1.35      (~ (![X0 : $i]: ( (c1_1 @ X0) |  (c2_1 @ X0) | ~ (c3_1 @ X0))) | 
% 1.33/1.35       ( (c1_1 @ a1979)) | ( (c2_1 @ a1979)) | ~ ( (c3_1 @ a1979))),
% 1.33/1.35      inference('split', [status(esa)], [zip_derived_cl1413])).
% 1.33/1.35  thf(zip_derived_cl509, plain,
% 1.33/1.35      ((![X0 : $i]: (~ (c1_1 @ X0) |  (c0_1 @ X0) | ~ (c3_1 @ X0)))
% 1.33/1.35         <= ((![X0 : $i]: (~ (c1_1 @ X0) |  (c0_1 @ X0) | ~ (c3_1 @ X0))))),
% 1.33/1.35      inference('split', [status(esa)], [zip_derived_cl141])).
% 1.33/1.35  thf(zip_derived_cl352, plain, (( (c3_1 @ a1979)) <= (( (c3_1 @ a1979)))),
% 1.33/1.35      inference('split', [status(esa)], [zip_derived_cl74])).
% 1.33/1.35  thf(zip_derived_cl1045, plain,
% 1.33/1.35      ((( (c0_1 @ a1979) | ~ (c1_1 @ a1979)))
% 1.33/1.35         <= (( (c3_1 @ a1979)) & 
% 1.33/1.35             (![X0 : $i]: (~ (c1_1 @ X0) |  (c0_1 @ X0) | ~ (c3_1 @ X0))))),
% 1.33/1.35      inference('s_sup+', [status(thm)], [zip_derived_cl509, zip_derived_cl352])).
% 1.33/1.35  thf('38', plain,
% 1.33/1.35      (~ ( (c1_1 @ a1979)) | ~ ( (c3_1 @ a1979)) | 
% 1.33/1.35       ~ (![X0 : $i]: (~ (c1_1 @ X0) |  (c0_1 @ X0) | ~ (c3_1 @ X0))) | 
% 1.33/1.35       ( (c0_1 @ a1979))),
% 1.33/1.35      inference('split', [status(esa)], [zip_derived_cl1045])).
% 1.33/1.35  thf(clause131, conjecture,
% 1.33/1.35    (~( ( hskp6 ) | ( hskp29 ) | ( c1_1 @ U ) | ( c0_1 @ U ) | 
% 1.33/1.35        ( ~( ndr1_0 ) ) | ( ~( c3_1 @ U ) ) ))).
% 1.33/1.35  thf(zf_stmt_36, negated_conjecture,
% 1.33/1.35    (( hskp6 ) | ( hskp29 ) | ( c1_1 @ U ) | ( c0_1 @ U ) | ( ~( ndr1_0 ) ) | 
% 1.33/1.35     ( ~( c3_1 @ U ) )),
% 1.33/1.35    inference('cnf.neg', [status(esa)], [clause131])).
% 1.33/1.35  thf(zip_derived_cl130, plain,
% 1.33/1.35      (![X0 : $i]:
% 1.33/1.35         ( (hskp6)
% 1.33/1.35          |  (hskp29)
% 1.33/1.35          |  (c1_1 @ X0)
% 1.33/1.35          |  (c0_1 @ X0)
% 1.33/1.35          | ~ (ndr1_0)
% 1.33/1.35          | ~ (c3_1 @ X0))),
% 1.33/1.35      inference('cnf', [status(esa)], [zf_stmt_36])).
% 1.33/1.35  thf('39', plain,
% 1.33/1.35      (( (hskp29)) | 
% 1.33/1.35       (![X0 : $i]: ( (c1_1 @ X0) |  (c0_1 @ X0) | ~ (c3_1 @ X0))) | 
% 1.33/1.35       ( (hskp6)) | ~ ( (ndr1_0))),
% 1.33/1.35      inference('split', [status(esa)], [zip_derived_cl130])).
% 1.33/1.35  thf(zip_derived_cl627, plain,
% 1.33/1.35      ((![X1 : $i]: (~ (c2_1 @ X1) |  (c0_1 @ X1) | ~ (c1_1 @ X1)))
% 1.33/1.35         <= ((![X1 : $i]: (~ (c2_1 @ X1) |  (c0_1 @ X1) | ~ (c1_1 @ X1))))),
% 1.33/1.35      inference('split', [status(esa)], [zip_derived_cl171])).
% 1.33/1.35  thf(clause113, conjecture, (~( ( ~( hskp9 ) ) | ( ~( c0_1 @ a1985 ) ) ))).
% 1.33/1.35  thf(zf_stmt_37, negated_conjecture, (( ~( hskp9 ) ) | ( ~( c0_1 @ a1985 ) )),
% 1.33/1.35    inference('cnf.neg', [status(esa)], [clause113])).
% 1.33/1.35  thf(zip_derived_cl112, plain, ((~ (hskp9) | ~ (c0_1 @ a1985))),
% 1.33/1.35      inference('cnf', [status(esa)], [zf_stmt_37])).
% 1.33/1.35  thf(zip_derived_cl428, plain, ((~ (c0_1 @ a1985)) <= (~ ( (c0_1 @ a1985)))),
% 1.33/1.35      inference('split', [status(esa)], [zip_derived_cl112])).
% 1.33/1.35  thf(zip_derived_cl1711, plain,
% 1.33/1.35      (((~ (c1_1 @ a1985) | ~ (c2_1 @ a1985)))
% 1.33/1.35         <= (~ ( (c0_1 @ a1985)) & 
% 1.33/1.35             (![X1 : $i]: (~ (c2_1 @ X1) |  (c0_1 @ X1) | ~ (c1_1 @ X1))))),
% 1.33/1.35      inference('s_sup-', [status(thm)], [zip_derived_cl627, zip_derived_cl428])).
% 1.33/1.35  thf('40', plain,
% 1.33/1.35      (~ (![X1 : $i]: (~ (c2_1 @ X1) |  (c0_1 @ X1) | ~ (c1_1 @ X1))) | 
% 1.33/1.35       ~ ( (c2_1 @ a1985)) | ( (c0_1 @ a1985)) | ~ ( (c1_1 @ a1985))),
% 1.33/1.35      inference('split', [status(esa)], [zip_derived_cl1711])).
% 1.33/1.35  thf('41', plain, (~ ( (c0_1 @ a1985)) | ~ ( (hskp9))),
% 1.33/1.35      inference('split', [status(esa)], [zip_derived_cl112])).
% 1.33/1.35  thf(clause114, conjecture, (~( ( ~( hskp9 ) ) | ( ~( c3_1 @ a1985 ) ) ))).
% 1.33/1.35  thf(zf_stmt_38, negated_conjecture, (( ~( hskp9 ) ) | ( ~( c3_1 @ a1985 ) )),
% 1.33/1.35    inference('cnf.neg', [status(esa)], [clause114])).
% 1.33/1.35  thf(zip_derived_cl113, plain, ((~ (hskp9) | ~ (c3_1 @ a1985))),
% 1.33/1.35      inference('cnf', [status(esa)], [zf_stmt_38])).
% 1.33/1.35  thf('42', plain, (~ ( (c3_1 @ a1985)) | ~ ( (hskp9))),
% 1.33/1.35      inference('split', [status(esa)], [zip_derived_cl113])).
% 1.33/1.35  thf(clause133, conjecture,
% 1.33/1.35    (~( ( hskp11 ) | ( hskp9 ) | ( c2_1 @ U ) | ( c0_1 @ U ) | 
% 1.33/1.35        ( ~( ndr1_0 ) ) | ( ~( c3_1 @ U ) ) ))).
% 1.33/1.35  thf(zf_stmt_39, negated_conjecture,
% 1.33/1.35    (( hskp11 ) | ( hskp9 ) | ( c2_1 @ U ) | ( c0_1 @ U ) | ( ~( ndr1_0 ) ) | 
% 1.33/1.35     ( ~( c3_1 @ U ) )),
% 1.33/1.35    inference('cnf.neg', [status(esa)], [clause133])).
% 1.33/1.35  thf(zip_derived_cl132, plain,
% 1.33/1.35      (![X0 : $i]:
% 1.33/1.35         ( (hskp11)
% 1.33/1.35          |  (hskp9)
% 1.33/1.35          |  (c2_1 @ X0)
% 1.33/1.35          |  (c0_1 @ X0)
% 1.33/1.35          | ~ (ndr1_0)
% 1.33/1.35          | ~ (c3_1 @ X0))),
% 1.33/1.35      inference('cnf', [status(esa)], [zf_stmt_39])).
% 1.33/1.35  thf(zip_derived_cl474, plain,
% 1.33/1.35      ((![X0 : $i]: ( (c0_1 @ X0) |  (c2_1 @ X0) | ~ (c3_1 @ X0)))
% 1.33/1.35         <= ((![X0 : $i]: ( (c0_1 @ X0) |  (c2_1 @ X0) | ~ (c3_1 @ X0))))),
% 1.33/1.35      inference('split', [status(esa)], [zip_derived_cl132])).
% 1.33/1.35  thf(clause72, conjecture, (~( ( c3_1 @ a1983 ) | ( ~( hskp8 ) ) ))).
% 1.33/1.35  thf(zf_stmt_40, negated_conjecture, (( c3_1 @ a1983 ) | ( ~( hskp8 ) )),
% 1.33/1.35    inference('cnf.neg', [status(esa)], [clause72])).
% 1.33/1.35  thf(zip_derived_cl71, plain, (( (c3_1 @ a1983) | ~ (hskp8))),
% 1.33/1.35      inference('cnf', [status(esa)], [zf_stmt_40])).
% 1.33/1.35  thf(zip_derived_cl346, plain, (( (c3_1 @ a1983)) <= (( (c3_1 @ a1983)))),
% 1.33/1.35      inference('split', [status(esa)], [zip_derived_cl71])).
% 1.33/1.35  thf(zip_derived_cl1314, plain,
% 1.33/1.35      ((( (c2_1 @ a1983) |  (c0_1 @ a1983)))
% 1.33/1.35         <= (( (c3_1 @ a1983)) & 
% 1.33/1.35             (![X0 : $i]: ( (c0_1 @ X0) |  (c2_1 @ X0) | ~ (c3_1 @ X0))))),
% 1.33/1.35      inference('s_sup+', [status(thm)], [zip_derived_cl474, zip_derived_cl346])).
% 1.33/1.35  thf('43', plain,
% 1.33/1.35      (~ (![X0 : $i]: ( (c0_1 @ X0) |  (c2_1 @ X0) | ~ (c3_1 @ X0))) | 
% 1.33/1.35       ( (c2_1 @ a1983)) | ~ ( (c3_1 @ a1983)) | ( (c0_1 @ a1983))),
% 1.33/1.35      inference('split', [status(esa)], [zip_derived_cl1314])).
% 1.33/1.35  thf(zip_derived_cl627, plain,
% 1.33/1.35      ((![X1 : $i]: (~ (c2_1 @ X1) |  (c0_1 @ X1) | ~ (c1_1 @ X1)))
% 1.33/1.35         <= ((![X1 : $i]: (~ (c2_1 @ X1) |  (c0_1 @ X1) | ~ (c1_1 @ X1))))),
% 1.33/1.35      inference('split', [status(esa)], [zip_derived_cl171])).
% 1.33/1.35  thf(zip_derived_cl422, plain, ((~ (c0_1 @ a1989)) <= (~ ( (c0_1 @ a1989)))),
% 1.33/1.35      inference('split', [status(esa)], [zip_derived_cl109])).
% 1.33/1.35  thf(zip_derived_cl1709, plain,
% 1.33/1.35      (((~ (c1_1 @ a1989) | ~ (c2_1 @ a1989)))
% 1.33/1.35         <= (~ ( (c0_1 @ a1989)) & 
% 1.33/1.35             (![X1 : $i]: (~ (c2_1 @ X1) |  (c0_1 @ X1) | ~ (c1_1 @ X1))))),
% 1.33/1.35      inference('s_sup-', [status(thm)], [zip_derived_cl627, zip_derived_cl422])).
% 1.33/1.35  thf('44', plain,
% 1.33/1.35      (~ (![X1 : $i]: (~ (c2_1 @ X1) |  (c0_1 @ X1) | ~ (c1_1 @ X1))) | 
% 1.33/1.35       ~ ( (c1_1 @ a1989)) | ( (c0_1 @ a1989)) | ~ ( (c2_1 @ a1989))),
% 1.33/1.35      inference('split', [status(esa)], [zip_derived_cl1709])).
% 1.33/1.35  thf(clause138, conjecture,
% 1.33/1.35    (~( ( hskp6 ) | ( hskp23 ) | ( c3_1 @ U ) | ( c1_1 @ U ) | 
% 1.33/1.35        ( ~( ndr1_0 ) ) | ( ~( c2_1 @ U ) ) ))).
% 1.33/1.35  thf(zf_stmt_41, negated_conjecture,
% 1.33/1.35    (( hskp6 ) | ( hskp23 ) | ( c3_1 @ U ) | ( c1_1 @ U ) | ( ~( ndr1_0 ) ) | 
% 1.33/1.35     ( ~( c2_1 @ U ) )),
% 1.33/1.35    inference('cnf.neg', [status(esa)], [clause138])).
% 1.33/1.35  thf(zip_derived_cl137, plain,
% 1.33/1.35      (![X0 : $i]:
% 1.33/1.35         ( (hskp6)
% 1.33/1.35          |  (hskp23)
% 1.33/1.35          |  (c3_1 @ X0)
% 1.33/1.35          |  (c1_1 @ X0)
% 1.33/1.35          | ~ (ndr1_0)
% 1.33/1.35          | ~ (c2_1 @ X0))),
% 1.33/1.35      inference('cnf', [status(esa)], [zf_stmt_41])).
% 1.33/1.35  thf(zip_derived_cl494, plain,
% 1.33/1.35      ((![X0 : $i]: ( (c1_1 @ X0) | ~ (c2_1 @ X0) |  (c3_1 @ X0)))
% 1.33/1.35         <= ((![X0 : $i]: ( (c1_1 @ X0) | ~ (c2_1 @ X0) |  (c3_1 @ X0))))),
% 1.33/1.35      inference('split', [status(esa)], [zip_derived_cl137])).
% 1.33/1.35  thf(zip_derived_cl424, plain, ((~ (c3_1 @ a1989)) <= (~ ( (c3_1 @ a1989)))),
% 1.33/1.35      inference('split', [status(esa)], [zip_derived_cl110])).
% 1.33/1.35  thf(zip_derived_cl1467, plain,
% 1.33/1.35      (((~ (c2_1 @ a1989) |  (c1_1 @ a1989)))
% 1.33/1.35         <= (~ ( (c3_1 @ a1989)) & 
% 1.33/1.35             (![X0 : $i]: ( (c1_1 @ X0) | ~ (c2_1 @ X0) |  (c3_1 @ X0))))),
% 1.33/1.35      inference('s_sup-', [status(thm)], [zip_derived_cl494, zip_derived_cl424])).
% 1.33/1.35  thf('45', plain,
% 1.33/1.35      (( (c1_1 @ a1989)) | ( (c3_1 @ a1989)) | 
% 1.33/1.35       ~ (![X0 : $i]: ( (c1_1 @ X0) | ~ (c2_1 @ X0) |  (c3_1 @ X0))) | 
% 1.33/1.35       ~ ( (c2_1 @ a1989))),
% 1.33/1.35      inference('split', [status(esa)], [zip_derived_cl1467])).
% 1.33/1.35  thf(clause65, conjecture, (~( ( c0_1 @ a1991 ) | ( ~( hskp13 ) ) ))).
% 1.33/1.35  thf(zf_stmt_42, negated_conjecture, (( c0_1 @ a1991 ) | ( ~( hskp13 ) )),
% 1.33/1.35    inference('cnf.neg', [status(esa)], [clause65])).
% 1.33/1.35  thf(zip_derived_cl64, plain, (( (c0_1 @ a1991) | ~ (hskp13))),
% 1.33/1.35      inference('cnf', [status(esa)], [zf_stmt_42])).
% 1.33/1.35  thf(zip_derived_cl332, plain, (( (c0_1 @ a1991)) <= (( (c0_1 @ a1991)))),
% 1.33/1.35      inference('split', [status(esa)], [zip_derived_cl64])).
% 1.33/1.35  thf(zip_derived_cl561, plain,
% 1.33/1.35      ((![X0 : $i]: (~ (c1_1 @ X0) | ~ (c0_1 @ X0) | ~ (c2_1 @ X0)))
% 1.33/1.35         <= ((![X0 : $i]: (~ (c1_1 @ X0) | ~ (c0_1 @ X0) | ~ (c2_1 @ X0))))),
% 1.33/1.35      inference('split', [status(esa)], [zip_derived_cl154])).
% 1.33/1.35  thf(zip_derived_cl907, plain,
% 1.33/1.35      (((~ (c1_1 @ a1991) | ~ (c2_1 @ a1991)))
% 1.33/1.35         <= (( (c0_1 @ a1991)) & 
% 1.33/1.35             (![X0 : $i]: (~ (c1_1 @ X0) | ~ (c0_1 @ X0) | ~ (c2_1 @ X0))))),
% 1.33/1.35      inference('s_sup-', [status(thm)], [zip_derived_cl332, zip_derived_cl561])).
% 1.33/1.35  thf('46', plain,
% 1.33/1.35      (~ ( (c1_1 @ a1991)) | ~ ( (c0_1 @ a1991)) | 
% 1.33/1.35       ~ (![X0 : $i]: (~ (c1_1 @ X0) | ~ (c0_1 @ X0) | ~ (c2_1 @ X0))) | 
% 1.33/1.35       ~ ( (c2_1 @ a1991))),
% 1.33/1.35      inference('split', [status(esa)], [zip_derived_cl907])).
% 1.33/1.35  thf(zip_derived_cl494, plain,
% 1.33/1.35      ((![X0 : $i]: ( (c1_1 @ X0) | ~ (c2_1 @ X0) |  (c3_1 @ X0)))
% 1.33/1.35         <= ((![X0 : $i]: ( (c1_1 @ X0) | ~ (c2_1 @ X0) |  (c3_1 @ X0))))),
% 1.33/1.35      inference('split', [status(esa)], [zip_derived_cl137])).
% 1.33/1.35  thf(clause107, conjecture, (~( ( ~( hskp13 ) ) | ( ~( c3_1 @ a1991 ) ) ))).
% 1.33/1.35  thf(zf_stmt_43, negated_conjecture,
% 1.33/1.35    (( ~( hskp13 ) ) | ( ~( c3_1 @ a1991 ) )),
% 1.33/1.35    inference('cnf.neg', [status(esa)], [clause107])).
% 1.33/1.35  thf(zip_derived_cl106, plain, ((~ (hskp13) | ~ (c3_1 @ a1991))),
% 1.33/1.35      inference('cnf', [status(esa)], [zf_stmt_43])).
% 1.33/1.35  thf(zip_derived_cl416, plain, ((~ (c3_1 @ a1991)) <= (~ ( (c3_1 @ a1991)))),
% 1.33/1.35      inference('split', [status(esa)], [zip_derived_cl106])).
% 1.33/1.35  thf(zip_derived_cl1466, plain,
% 1.33/1.35      (((~ (c2_1 @ a1991) |  (c1_1 @ a1991)))
% 1.33/1.35         <= (~ ( (c3_1 @ a1991)) & 
% 1.33/1.35             (![X0 : $i]: ( (c1_1 @ X0) | ~ (c2_1 @ X0) |  (c3_1 @ X0))))),
% 1.33/1.35      inference('s_sup-', [status(thm)], [zip_derived_cl494, zip_derived_cl416])).
% 1.33/1.35  thf('47', plain,
% 1.33/1.35      (( (c1_1 @ a1991)) | ( (c3_1 @ a1991)) | 
% 1.33/1.35       ~ (![X0 : $i]: ( (c1_1 @ X0) | ~ (c2_1 @ X0) |  (c3_1 @ X0))) | 
% 1.33/1.35       ~ ( (c2_1 @ a1991))),
% 1.33/1.35      inference('split', [status(esa)], [zip_derived_cl1466])).
% 1.33/1.35  thf(clause30, conjecture, (~( ( ndr1_0 ) | ( ~( hskp1 ) ) ))).
% 1.33/1.35  thf(zf_stmt_44, negated_conjecture, (( ndr1_0 ) | ( ~( hskp1 ) )),
% 1.33/1.35    inference('cnf.neg', [status(esa)], [clause30])).
% 1.33/1.35  thf(zip_derived_cl29, plain, (( (ndr1_0) | ~ (hskp1))),
% 1.33/1.35      inference('cnf', [status(esa)], [zf_stmt_44])).
% 1.33/1.35  thf('48', plain, (( (ndr1_0)) | ~ ( (hskp1))),
% 1.33/1.35      inference('split', [status(esa)], [zip_derived_cl29])).
% 1.33/1.35  thf(zip_derived_cl627, plain,
% 1.33/1.35      ((![X1 : $i]: (~ (c2_1 @ X1) |  (c0_1 @ X1) | ~ (c1_1 @ X1)))
% 1.33/1.35         <= ((![X1 : $i]: (~ (c2_1 @ X1) |  (c0_1 @ X1) | ~ (c1_1 @ X1))))),
% 1.33/1.35      inference('split', [status(esa)], [zip_derived_cl171])).
% 1.33/1.35  thf(clause101, conjecture, (~( ( ~( hskp17 ) ) | ( ~( c0_1 @ a1998 ) ) ))).
% 1.33/1.35  thf(zf_stmt_45, negated_conjecture,
% 1.33/1.35    (( ~( hskp17 ) ) | ( ~( c0_1 @ a1998 ) )),
% 1.33/1.35    inference('cnf.neg', [status(esa)], [clause101])).
% 1.33/1.35  thf(zip_derived_cl100, plain, ((~ (hskp17) | ~ (c0_1 @ a1998))),
% 1.33/1.35      inference('cnf', [status(esa)], [zf_stmt_45])).
% 1.33/1.35  thf(zip_derived_cl404, plain, ((~ (c0_1 @ a1998)) <= (~ ( (c0_1 @ a1998)))),
% 1.33/1.35      inference('split', [status(esa)], [zip_derived_cl100])).
% 1.33/1.35  thf(zip_derived_cl1703, plain,
% 1.33/1.35      (((~ (c1_1 @ a1998) | ~ (c2_1 @ a1998)))
% 1.33/1.35         <= (~ ( (c0_1 @ a1998)) & 
% 1.33/1.35             (![X1 : $i]: (~ (c2_1 @ X1) |  (c0_1 @ X1) | ~ (c1_1 @ X1))))),
% 1.33/1.35      inference('s_sup-', [status(thm)], [zip_derived_cl627, zip_derived_cl404])).
% 1.33/1.35  thf('49', plain,
% 1.33/1.35      (~ (![X1 : $i]: (~ (c2_1 @ X1) |  (c0_1 @ X1) | ~ (c1_1 @ X1))) | 
% 1.33/1.35       ~ ( (c2_1 @ a1998)) | ~ ( (c1_1 @ a1998)) | ( (c0_1 @ a1998))),
% 1.33/1.35      inference('split', [status(esa)], [zip_derived_cl1703])).
% 1.33/1.35  thf(clause139, conjecture,
% 1.33/1.35    (~( ( hskp17 ) | ( hskp3 ) | ( c3_1 @ U ) | ( c1_1 @ U ) | 
% 1.33/1.35        ( ~( ndr1_0 ) ) | ( ~( c2_1 @ U ) ) ))).
% 1.33/1.35  thf(zf_stmt_46, negated_conjecture,
% 1.33/1.35    (( hskp17 ) | ( hskp3 ) | ( c3_1 @ U ) | ( c1_1 @ U ) | ( ~( ndr1_0 ) ) | 
% 1.33/1.35     ( ~( c2_1 @ U ) )),
% 1.33/1.35    inference('cnf.neg', [status(esa)], [clause139])).
% 1.33/1.35  thf(zip_derived_cl138, plain,
% 1.33/1.35      (![X0 : $i]:
% 1.33/1.35         ( (hskp17)
% 1.33/1.35          |  (hskp3)
% 1.33/1.35          |  (c3_1 @ X0)
% 1.33/1.35          |  (c1_1 @ X0)
% 1.33/1.35          | ~ (ndr1_0)
% 1.33/1.35          | ~ (c2_1 @ X0))),
% 1.33/1.35      inference('cnf', [status(esa)], [zf_stmt_46])).
% 1.33/1.35  thf('50', plain,
% 1.33/1.35      (( (hskp3)) | 
% 1.33/1.35       (![X0 : $i]: ( (c1_1 @ X0) | ~ (c2_1 @ X0) |  (c3_1 @ X0))) | 
% 1.33/1.35       ( (hskp17)) | ~ ( (ndr1_0))),
% 1.33/1.35      inference('split', [status(esa)], [zip_derived_cl138])).
% 1.33/1.35  thf(clause10, conjecture, (~( ( ndr1_0 ) | ( ~( hskp21 ) ) ))).
% 1.33/1.35  thf(zf_stmt_47, negated_conjecture, (( ndr1_0 ) | ( ~( hskp21 ) )),
% 1.33/1.35    inference('cnf.neg', [status(esa)], [clause10])).
% 1.33/1.35  thf(zip_derived_cl9, plain, (( (ndr1_0) | ~ (hskp21))),
% 1.33/1.35      inference('cnf', [status(esa)], [zf_stmt_47])).
% 1.33/1.35  thf('51', plain, (~ ( (hskp21)) | ( (ndr1_0))),
% 1.33/1.35      inference('split', [status(esa)], [zip_derived_cl9])).
% 1.33/1.35  thf(clause173, conjecture,
% 1.33/1.35    (~( ( hskp29 ) | ( c2_1 @ V ) | ( c0_1 @ V ) | ( c0_1 @ U ) | 
% 1.33/1.35        ( ~( c3_1 @ V ) ) | ( ~( ndr1_0 ) ) | ( ~( c3_1 @ U ) ) | 
% 1.33/1.35        ( ~( c1_1 @ U ) ) ))).
% 1.33/1.35  thf(zf_stmt_48, negated_conjecture,
% 1.33/1.35    (( hskp29 ) | ( c2_1 @ V ) | ( c0_1 @ V ) | ( c0_1 @ U ) | 
% 1.33/1.35     ( ~( c3_1 @ V ) ) | ( ~( ndr1_0 ) ) | ( ~( c3_1 @ U ) ) | 
% 1.33/1.35     ( ~( c1_1 @ U ) )),
% 1.33/1.35    inference('cnf.neg', [status(esa)], [clause173])).
% 1.33/1.35  thf(zip_derived_cl172, plain,
% 1.33/1.35      (![X0 : $i, X1 : $i]:
% 1.33/1.35         ( (hskp29)
% 1.33/1.35          |  (c2_1 @ X0)
% 1.33/1.35          |  (c0_1 @ X0)
% 1.33/1.35          |  (c0_1 @ X1)
% 1.33/1.35          | ~ (c3_1 @ X0)
% 1.33/1.35          | ~ (ndr1_0)
% 1.33/1.35          | ~ (c3_1 @ X1)
% 1.33/1.35          | ~ (c1_1 @ X1))),
% 1.33/1.35      inference('cnf', [status(esa)], [zf_stmt_48])).
% 1.33/1.35  thf('52', plain,
% 1.33/1.35      (( (hskp29)) | 
% 1.33/1.35       (![X0 : $i]: ( (c0_1 @ X0) |  (c2_1 @ X0) | ~ (c3_1 @ X0))) | 
% 1.33/1.35       (![X0 : $i]: (~ (c1_1 @ X0) |  (c0_1 @ X0) | ~ (c3_1 @ X0))) | 
% 1.33/1.35       ~ ( (ndr1_0))),
% 1.33/1.35      inference('split', [status(esa)], [zip_derived_cl172])).
% 1.33/1.35  thf(zip_derived_cl627, plain,
% 1.33/1.35      ((![X1 : $i]: (~ (c2_1 @ X1) |  (c0_1 @ X1) | ~ (c1_1 @ X1)))
% 1.33/1.35         <= ((![X1 : $i]: (~ (c2_1 @ X1) |  (c0_1 @ X1) | ~ (c1_1 @ X1))))),
% 1.33/1.35      inference('split', [status(esa)], [zip_derived_cl171])).
% 1.33/1.35  thf(zip_derived_cl545, plain,
% 1.33/1.35      ((![X0 : $i]: (~ (c0_1 @ X0) | ~ (c2_1 @ X0) |  (c3_1 @ X0)))
% 1.33/1.35         <= ((![X0 : $i]: (~ (c0_1 @ X0) | ~ (c2_1 @ X0) |  (c3_1 @ X0))))),
% 1.33/1.35      inference('split', [status(esa)], [zip_derived_cl150])).
% 1.33/1.35  thf(clause96, conjecture, (~( ( ~( hskp20 ) ) | ( ~( c3_1 @ a2003 ) ) ))).
% 1.33/1.35  thf(zf_stmt_49, negated_conjecture,
% 1.33/1.35    (( ~( hskp20 ) ) | ( ~( c3_1 @ a2003 ) )),
% 1.33/1.35    inference('cnf.neg', [status(esa)], [clause96])).
% 1.33/1.35  thf(zip_derived_cl95, plain, ((~ (hskp20) | ~ (c3_1 @ a2003))),
% 1.33/1.35      inference('cnf', [status(esa)], [zf_stmt_49])).
% 1.33/1.35  thf(zip_derived_cl394, plain, ((~ (c3_1 @ a2003)) <= (~ ( (c3_1 @ a2003)))),
% 1.33/1.35      inference('split', [status(esa)], [zip_derived_cl95])).
% 1.33/1.35  thf(zip_derived_cl1572, plain,
% 1.33/1.35      (((~ (c2_1 @ a2003) | ~ (c0_1 @ a2003)))
% 1.33/1.35         <= (~ ( (c3_1 @ a2003)) & 
% 1.33/1.35             (![X0 : $i]: (~ (c0_1 @ X0) | ~ (c2_1 @ X0) |  (c3_1 @ X0))))),
% 1.33/1.35      inference('s_sup-', [status(thm)], [zip_derived_cl545, zip_derived_cl394])).
% 1.33/1.35  thf(zip_derived_cl1642, plain, ((~ (c0_1 @ a2003)) <= (~ ( (c0_1 @ a2003)))),
% 1.33/1.35      inference('split', [status(esa)], [zip_derived_cl1572])).
% 1.33/1.35  thf(zip_derived_cl1701, plain,
% 1.33/1.35      (((~ (c1_1 @ a2003) | ~ (c2_1 @ a2003)))
% 1.33/1.35         <= (~ ( (c0_1 @ a2003)) & 
% 1.33/1.35             (![X1 : $i]: (~ (c2_1 @ X1) |  (c0_1 @ X1) | ~ (c1_1 @ X1))))),
% 1.33/1.35      inference('s_sup-', [status(thm)],
% 1.33/1.35                [zip_derived_cl627, zip_derived_cl1642])).
% 1.33/1.35  thf('53', plain,
% 1.33/1.35      (~ (![X1 : $i]: (~ (c2_1 @ X1) |  (c0_1 @ X1) | ~ (c1_1 @ X1))) | 
% 1.33/1.35       ( (c0_1 @ a2003)) | ~ ( (c2_1 @ a2003)) | ~ ( (c1_1 @ a2003))),
% 1.33/1.35      inference('split', [status(esa)], [zip_derived_cl1701])).
% 1.33/1.35  thf(zip_derived_cl604, plain,
% 1.33/1.35      ((![X0 : $i]: ( (c0_1 @ X0) | ~ (c2_1 @ X0) |  (c3_1 @ X0)))
% 1.33/1.35         <= ((![X0 : $i]: ( (c0_1 @ X0) | ~ (c2_1 @ X0) |  (c3_1 @ X0))))),
% 1.33/1.35      inference('split', [status(esa)], [zip_derived_cl165])).
% 1.33/1.35  thf(zip_derived_cl394, plain, ((~ (c3_1 @ a2003)) <= (~ ( (c3_1 @ a2003)))),
% 1.33/1.35      inference('split', [status(esa)], [zip_derived_cl95])).
% 1.33/1.35  thf(zip_derived_cl2022, plain,
% 1.33/1.35      (((~ (c2_1 @ a2003) |  (c0_1 @ a2003)))
% 1.33/1.35         <= (~ ( (c3_1 @ a2003)) & 
% 1.33/1.35             (![X0 : $i]: ( (c0_1 @ X0) | ~ (c2_1 @ X0) |  (c3_1 @ X0))))),
% 1.33/1.35      inference('s_sup-', [status(thm)], [zip_derived_cl604, zip_derived_cl394])).
% 1.33/1.35  thf(zip_derived_cl4287, plain, (( (c0_1 @ a2003)) <= (( (c0_1 @ a2003)))),
% 1.33/1.35      inference('split', [status(esa)], [zip_derived_cl2022])).
% 1.33/1.35  thf(zip_derived_cl561, plain,
% 1.33/1.35      ((![X0 : $i]: (~ (c1_1 @ X0) | ~ (c0_1 @ X0) | ~ (c2_1 @ X0)))
% 1.33/1.35         <= ((![X0 : $i]: (~ (c1_1 @ X0) | ~ (c0_1 @ X0) | ~ (c2_1 @ X0))))),
% 1.33/1.35      inference('split', [status(esa)], [zip_derived_cl154])).
% 1.33/1.35  thf(zip_derived_cl4292, plain,
% 1.33/1.35      (((~ (c1_1 @ a2003) | ~ (c2_1 @ a2003)))
% 1.33/1.35         <= ((![X0 : $i]: (~ (c1_1 @ X0) | ~ (c0_1 @ X0) | ~ (c2_1 @ X0))) & 
% 1.33/1.35             ( (c0_1 @ a2003)))),
% 1.33/1.35      inference('s_sup-', [status(thm)],
% 1.33/1.35                [zip_derived_cl4287, zip_derived_cl561])).
% 1.33/1.35  thf('54', plain,
% 1.33/1.35      (~ ( (c1_1 @ a2003)) | ~ ( (c2_1 @ a2003)) | 
% 1.33/1.35       ~ (![X0 : $i]: (~ (c1_1 @ X0) | ~ (c0_1 @ X0) | ~ (c2_1 @ X0))) | 
% 1.33/1.35       ~ ( (c0_1 @ a2003))),
% 1.33/1.35      inference('split', [status(esa)], [zip_derived_cl4292])).
% 1.33/1.35  thf(clause79, conjecture, (~( ( c2_1 @ a1974 ) | ( ~( hskp3 ) ) ))).
% 1.33/1.35  thf(zf_stmt_50, negated_conjecture, (( c2_1 @ a1974 ) | ( ~( hskp3 ) )),
% 1.33/1.35    inference('cnf.neg', [status(esa)], [clause79])).
% 1.33/1.35  thf(zip_derived_cl78, plain, (( (c2_1 @ a1974) | ~ (hskp3))),
% 1.33/1.35      inference('cnf', [status(esa)], [zf_stmt_50])).
% 1.33/1.35  thf('55', plain, (( (c2_1 @ a1974)) | ~ ( (hskp3))),
% 1.33/1.35      inference('split', [status(esa)], [zip_derived_cl78])).
% 1.33/1.35  thf(clause78, conjecture, (~( ( c1_1 @ a1974 ) | ( ~( hskp3 ) ) ))).
% 1.33/1.35  thf(zf_stmt_51, negated_conjecture, (( c1_1 @ a1974 ) | ( ~( hskp3 ) )),
% 1.33/1.35    inference('cnf.neg', [status(esa)], [clause78])).
% 1.33/1.35  thf(zip_derived_cl77, plain, (( (c1_1 @ a1974) | ~ (hskp3))),
% 1.33/1.35      inference('cnf', [status(esa)], [zf_stmt_51])).
% 1.33/1.35  thf('56', plain, (( (c1_1 @ a1974)) | ~ ( (hskp3))),
% 1.33/1.35      inference('split', [status(esa)], [zip_derived_cl77])).
% 1.33/1.35  thf(clause124, conjecture, (~( ( ~( hskp3 ) ) | ( ~( c0_1 @ a1974 ) ) ))).
% 1.33/1.35  thf(zf_stmt_52, negated_conjecture, (( ~( hskp3 ) ) | ( ~( c0_1 @ a1974 ) )),
% 1.33/1.35    inference('cnf.neg', [status(esa)], [clause124])).
% 1.33/1.35  thf(zip_derived_cl123, plain, ((~ (hskp3) | ~ (c0_1 @ a1974))),
% 1.33/1.35      inference('cnf', [status(esa)], [zf_stmt_52])).
% 1.33/1.35  thf('57', plain, (~ ( (c0_1 @ a1974)) | ~ ( (hskp3))),
% 1.33/1.35      inference('split', [status(esa)], [zip_derived_cl123])).
% 1.33/1.35  thf(zip_derived_cl627, plain,
% 1.33/1.35      ((![X1 : $i]: (~ (c2_1 @ X1) |  (c0_1 @ X1) | ~ (c1_1 @ X1)))
% 1.33/1.35         <= ((![X1 : $i]: (~ (c2_1 @ X1) |  (c0_1 @ X1) | ~ (c1_1 @ X1))))),
% 1.33/1.35      inference('split', [status(esa)], [zip_derived_cl171])).
% 1.33/1.35  thf(zip_derived_cl450, plain, ((~ (c0_1 @ a1974)) <= (~ ( (c0_1 @ a1974)))),
% 1.33/1.35      inference('split', [status(esa)], [zip_derived_cl123])).
% 1.33/1.35  thf(zip_derived_cl1714, plain,
% 1.33/1.35      (((~ (c1_1 @ a1974) | ~ (c2_1 @ a1974)))
% 1.33/1.35         <= (~ ( (c0_1 @ a1974)) & 
% 1.33/1.35             (![X1 : $i]: (~ (c2_1 @ X1) |  (c0_1 @ X1) | ~ (c1_1 @ X1))))),
% 1.33/1.35      inference('s_sup-', [status(thm)], [zip_derived_cl627, zip_derived_cl450])).
% 1.33/1.35  thf('58', plain,
% 1.33/1.35      (~ (![X1 : $i]: (~ (c2_1 @ X1) |  (c0_1 @ X1) | ~ (c1_1 @ X1))) | 
% 1.33/1.35       ~ ( (c1_1 @ a1974)) | ( (c0_1 @ a1974)) | ~ ( (c2_1 @ a1974))),
% 1.33/1.35      inference('split', [status(esa)], [zip_derived_cl1714])).
% 1.33/1.35  thf(zip_derived_cl603, plain,
% 1.33/1.35      ((![X1 : $i]: ( (c3_1 @ X1) |  (c2_1 @ X1) | ~ (c1_1 @ X1)))
% 1.33/1.35         <= ((![X1 : $i]: ( (c3_1 @ X1) |  (c2_1 @ X1) | ~ (c1_1 @ X1))))),
% 1.33/1.35      inference('split', [status(esa)], [zip_derived_cl165])).
% 1.33/1.35  thf(zip_derived_cl430, plain, ((~ (c3_1 @ a1985)) <= (~ ( (c3_1 @ a1985)))),
% 1.33/1.35      inference('split', [status(esa)], [zip_derived_cl113])).
% 1.33/1.35  thf(zip_derived_cl1996, plain,
% 1.33/1.35      (((~ (c1_1 @ a1985) |  (c2_1 @ a1985)))
% 1.33/1.35         <= (~ ( (c3_1 @ a1985)) & 
% 1.33/1.35             (![X1 : $i]: ( (c3_1 @ X1) |  (c2_1 @ X1) | ~ (c1_1 @ X1))))),
% 1.33/1.35      inference('s_sup-', [status(thm)], [zip_derived_cl603, zip_derived_cl430])).
% 1.33/1.35  thf('59', plain,
% 1.33/1.35      (( (c2_1 @ a1985)) | ~ ( (c1_1 @ a1985)) | 
% 1.33/1.35       ~ (![X1 : $i]: ( (c3_1 @ X1) |  (c2_1 @ X1) | ~ (c1_1 @ X1))) | 
% 1.33/1.35       ( (c3_1 @ a1985))),
% 1.33/1.35      inference('split', [status(esa)], [zip_derived_cl1996])).
% 1.33/1.35  thf(clause43, conjecture, (~( ( c0_1 @ a1972 ) | ( ~( hskp28 ) ) ))).
% 1.33/1.35  thf(zf_stmt_53, negated_conjecture, (( c0_1 @ a1972 ) | ( ~( hskp28 ) )),
% 1.33/1.35    inference('cnf.neg', [status(esa)], [clause43])).
% 1.33/1.35  thf(zip_derived_cl42, plain, (( (c0_1 @ a1972) | ~ (hskp28))),
% 1.33/1.35      inference('cnf', [status(esa)], [zf_stmt_53])).
% 1.33/1.35  thf(zip_derived_cl288, plain, (( (c0_1 @ a1972)) <= (( (c0_1 @ a1972)))),
% 1.33/1.35      inference('split', [status(esa)], [zip_derived_cl42])).
% 1.33/1.35  thf(zip_derived_cl561, plain,
% 1.33/1.35      ((![X0 : $i]: (~ (c1_1 @ X0) | ~ (c0_1 @ X0) | ~ (c2_1 @ X0)))
% 1.33/1.35         <= ((![X0 : $i]: (~ (c1_1 @ X0) | ~ (c0_1 @ X0) | ~ (c2_1 @ X0))))),
% 1.33/1.35      inference('split', [status(esa)], [zip_derived_cl154])).
% 1.33/1.35  thf(zip_derived_cl781, plain,
% 1.33/1.35      (((~ (c1_1 @ a1972) | ~ (c2_1 @ a1972)))
% 1.33/1.35         <= (( (c0_1 @ a1972)) & 
% 1.33/1.35             (![X0 : $i]: (~ (c1_1 @ X0) | ~ (c0_1 @ X0) | ~ (c2_1 @ X0))))),
% 1.33/1.35      inference('s_sup-', [status(thm)], [zip_derived_cl288, zip_derived_cl561])).
% 1.33/1.35  thf('60', plain,
% 1.33/1.35      (~ ( (c0_1 @ a1972)) | ~ ( (c2_1 @ a1972)) | 
% 1.33/1.35       ~ (![X0 : $i]: (~ (c1_1 @ X0) | ~ (c0_1 @ X0) | ~ (c2_1 @ X0))) | 
% 1.33/1.35       ~ ( (c1_1 @ a1972))),
% 1.33/1.35      inference('split', [status(esa)], [zip_derived_cl781])).
% 1.33/1.35  thf(clause148, conjecture,
% 1.33/1.35    (~( ( hskp22 ) | ( hskp1 ) | ( c2_1 @ U ) | ( ~( ndr1_0 ) ) | 
% 1.33/1.35        ( ~( c1_1 @ U ) ) | ( ~( c0_1 @ U ) ) ))).
% 1.33/1.35  thf(zf_stmt_54, negated_conjecture,
% 1.33/1.35    (( hskp22 ) | ( hskp1 ) | ( c2_1 @ U ) | ( ~( ndr1_0 ) ) | 
% 1.33/1.35     ( ~( c1_1 @ U ) ) | ( ~( c0_1 @ U ) )),
% 1.33/1.35    inference('cnf.neg', [status(esa)], [clause148])).
% 1.33/1.35  thf(zip_derived_cl147, plain,
% 1.33/1.35      (![X0 : $i]:
% 1.33/1.35         ( (hskp22)
% 1.33/1.35          |  (hskp1)
% 1.33/1.35          |  (c2_1 @ X0)
% 1.33/1.35          | ~ (ndr1_0)
% 1.33/1.35          | ~ (c1_1 @ X0)
% 1.33/1.35          | ~ (c0_1 @ X0))),
% 1.33/1.35      inference('cnf', [status(esa)], [zf_stmt_54])).
% 1.33/1.35  thf(zip_derived_cl533, plain,
% 1.33/1.35      ((![X0 : $i]: (~ (c1_1 @ X0) | ~ (c0_1 @ X0) |  (c2_1 @ X0)))
% 1.33/1.35         <= ((![X0 : $i]: (~ (c1_1 @ X0) | ~ (c0_1 @ X0) |  (c2_1 @ X0))))),
% 1.33/1.35      inference('split', [status(esa)], [zip_derived_cl147])).
% 1.33/1.35  thf(zip_derived_cl288, plain, (( (c0_1 @ a1972)) <= (( (c0_1 @ a1972)))),
% 1.33/1.35      inference('split', [status(esa)], [zip_derived_cl42])).
% 1.33/1.35  thf(zip_derived_cl1172, plain,
% 1.33/1.35      ((( (c2_1 @ a1972) | ~ (c1_1 @ a1972)))
% 1.33/1.35         <= (( (c0_1 @ a1972)) & 
% 1.33/1.35             (![X0 : $i]: (~ (c1_1 @ X0) | ~ (c0_1 @ X0) |  (c2_1 @ X0))))),
% 1.33/1.35      inference('s_sup+', [status(thm)], [zip_derived_cl533, zip_derived_cl288])).
% 1.33/1.35  thf('61', plain,
% 1.33/1.35      (~ ( (c0_1 @ a1972)) | ( (c2_1 @ a1972)) | 
% 1.33/1.35       ~ (![X0 : $i]: (~ (c1_1 @ X0) | ~ (c0_1 @ X0) |  (c2_1 @ X0))) | 
% 1.33/1.35       ~ ( (c1_1 @ a1972))),
% 1.33/1.35      inference('split', [status(esa)], [zip_derived_cl1172])).
% 1.33/1.35  thf(clause40, conjecture, (~( ( c0_1 @ a1978 ) | ( ~( hskp29 ) ) ))).
% 1.33/1.35  thf(zf_stmt_55, negated_conjecture, (( c0_1 @ a1978 ) | ( ~( hskp29 ) )),
% 1.33/1.35    inference('cnf.neg', [status(esa)], [clause40])).
% 1.33/1.35  thf(zip_derived_cl39, plain, (( (c0_1 @ a1978) | ~ (hskp29))),
% 1.33/1.35      inference('cnf', [status(esa)], [zf_stmt_55])).
% 1.33/1.35  thf('62', plain, (( (c0_1 @ a1978)) | ~ ( (hskp29))),
% 1.33/1.35      inference('split', [status(esa)], [zip_derived_cl39])).
% 1.33/1.35  thf(clause41, conjecture, (~( ( c1_1 @ a1978 ) | ( ~( hskp29 ) ) ))).
% 1.33/1.35  thf(zf_stmt_56, negated_conjecture, (( c1_1 @ a1978 ) | ( ~( hskp29 ) )),
% 1.33/1.35    inference('cnf.neg', [status(esa)], [clause41])).
% 1.33/1.35  thf(zip_derived_cl40, plain, (( (c1_1 @ a1978) | ~ (hskp29))),
% 1.33/1.35      inference('cnf', [status(esa)], [zf_stmt_56])).
% 1.33/1.35  thf('63', plain, (( (c1_1 @ a1978)) | ~ ( (hskp29))),
% 1.33/1.35      inference('split', [status(esa)], [zip_derived_cl40])).
% 1.33/1.35  thf(zip_derived_cl561, plain,
% 1.33/1.35      ((![X0 : $i]: (~ (c1_1 @ X0) | ~ (c0_1 @ X0) | ~ (c2_1 @ X0)))
% 1.33/1.35         <= ((![X0 : $i]: (~ (c1_1 @ X0) | ~ (c0_1 @ X0) | ~ (c2_1 @ X0))))),
% 1.33/1.35      inference('split', [status(esa)], [zip_derived_cl154])).
% 1.33/1.35  thf(zip_derived_cl282, plain, (( (c0_1 @ a1978)) <= (( (c0_1 @ a1978)))),
% 1.33/1.35      inference('split', [status(esa)], [zip_derived_cl39])).
% 1.33/1.35  thf(zip_derived_cl759, plain,
% 1.33/1.35      (((~ (c2_1 @ a1978) | ~ (c1_1 @ a1978)))
% 1.33/1.35         <= (( (c0_1 @ a1978)) & 
% 1.33/1.35             (![X0 : $i]: (~ (c1_1 @ X0) | ~ (c0_1 @ X0) | ~ (c2_1 @ X0))))),
% 1.33/1.35      inference('s_sup+', [status(thm)], [zip_derived_cl561, zip_derived_cl282])).
% 1.33/1.35  thf('64', plain,
% 1.33/1.35      (~ (![X0 : $i]: (~ (c1_1 @ X0) | ~ (c0_1 @ X0) | ~ (c2_1 @ X0))) | 
% 1.33/1.35       ~ ( (c0_1 @ a1978)) | ~ ( (c1_1 @ a1978)) | ~ ( (c2_1 @ a1978))),
% 1.33/1.35      inference('split', [status(esa)], [zip_derived_cl759])).
% 1.33/1.35  thf(zip_derived_cl533, plain,
% 1.33/1.35      ((![X0 : $i]: (~ (c1_1 @ X0) | ~ (c0_1 @ X0) |  (c2_1 @ X0)))
% 1.33/1.35         <= ((![X0 : $i]: (~ (c1_1 @ X0) | ~ (c0_1 @ X0) |  (c2_1 @ X0))))),
% 1.33/1.35      inference('split', [status(esa)], [zip_derived_cl147])).
% 1.33/1.35  thf(zip_derived_cl282, plain, (( (c0_1 @ a1978)) <= (( (c0_1 @ a1978)))),
% 1.33/1.35      inference('split', [status(esa)], [zip_derived_cl39])).
% 1.33/1.35  thf(zip_derived_cl1171, plain,
% 1.33/1.35      ((( (c2_1 @ a1978) | ~ (c1_1 @ a1978)))
% 1.33/1.35         <= (( (c0_1 @ a1978)) & 
% 1.33/1.35             (![X0 : $i]: (~ (c1_1 @ X0) | ~ (c0_1 @ X0) |  (c2_1 @ X0))))),
% 1.33/1.35      inference('s_sup+', [status(thm)], [zip_derived_cl533, zip_derived_cl282])).
% 1.33/1.35  thf('65', plain,
% 1.33/1.35      (( (c2_1 @ a1978)) | ~ ( (c0_1 @ a1978)) | 
% 1.33/1.35       ~ (![X0 : $i]: (~ (c1_1 @ X0) | ~ (c0_1 @ X0) |  (c2_1 @ X0))) | 
% 1.33/1.35       ~ ( (c1_1 @ a1978))),
% 1.33/1.35      inference('split', [status(esa)], [zip_derived_cl1171])).
% 1.33/1.35  thf(clause32, conjecture, (~( ( hskp21 ) | ( hskp1 ) | ( hskp28 ) ))).
% 1.33/1.35  thf(zf_stmt_57, negated_conjecture, (( hskp21 ) | ( hskp1 ) | ( hskp28 )),
% 1.33/1.35    inference('cnf.neg', [status(esa)], [clause32])).
% 1.33/1.35  thf(zip_derived_cl31, plain, (( (hskp21) |  (hskp1) |  (hskp28))),
% 1.33/1.35      inference('cnf', [status(esa)], [zf_stmt_57])).
% 1.33/1.35  thf('66', plain, (( (hskp28)) | ( (hskp1)) | ( (hskp21))),
% 1.33/1.35      inference('split', [status(esa)], [zip_derived_cl31])).
% 1.33/1.35  thf(clause51, conjecture, (~( ( c0_1 @ a2014 ) | ( ~( hskp23 ) ) ))).
% 1.33/1.35  thf(zf_stmt_58, negated_conjecture, (( c0_1 @ a2014 ) | ( ~( hskp23 ) )),
% 1.33/1.35    inference('cnf.neg', [status(esa)], [clause51])).
% 1.33/1.35  thf(zip_derived_cl50, plain, (( (c0_1 @ a2014) | ~ (hskp23))),
% 1.33/1.35      inference('cnf', [status(esa)], [zf_stmt_58])).
% 1.33/1.35  thf('67', plain, (( (c0_1 @ a2014)) | ~ ( (hskp23))),
% 1.33/1.35      inference('split', [status(esa)], [zip_derived_cl50])).
% 1.33/1.35  thf(clause52, conjecture, (~( ( c1_1 @ a2014 ) | ( ~( hskp23 ) ) ))).
% 1.33/1.35  thf(zf_stmt_59, negated_conjecture, (( c1_1 @ a2014 ) | ( ~( hskp23 ) )),
% 1.33/1.35    inference('cnf.neg', [status(esa)], [clause52])).
% 1.33/1.35  thf(zip_derived_cl51, plain, (( (c1_1 @ a2014) | ~ (hskp23))),
% 1.33/1.35      inference('cnf', [status(esa)], [zf_stmt_59])).
% 1.33/1.35  thf('68', plain, (( (c1_1 @ a2014)) | ~ ( (hskp23))),
% 1.33/1.35      inference('split', [status(esa)], [zip_derived_cl51])).
% 1.33/1.35  thf(clause91, conjecture, (~( ( ~( hskp23 ) ) | ( ~( c2_1 @ a2014 ) ) ))).
% 1.33/1.35  thf(zf_stmt_60, negated_conjecture,
% 1.33/1.35    (( ~( hskp23 ) ) | ( ~( c2_1 @ a2014 ) )),
% 1.33/1.35    inference('cnf.neg', [status(esa)], [clause91])).
% 1.33/1.35  thf(zip_derived_cl90, plain, ((~ (hskp23) | ~ (c2_1 @ a2014))),
% 1.33/1.35      inference('cnf', [status(esa)], [zf_stmt_60])).
% 1.33/1.35  thf('69', plain, (~ ( (c2_1 @ a2014)) | ~ ( (hskp23))),
% 1.33/1.35      inference('split', [status(esa)], [zip_derived_cl90])).
% 1.33/1.35  thf(zip_derived_cl533, plain,
% 1.33/1.35      ((![X0 : $i]: (~ (c1_1 @ X0) | ~ (c0_1 @ X0) |  (c2_1 @ X0)))
% 1.33/1.35         <= ((![X0 : $i]: (~ (c1_1 @ X0) | ~ (c0_1 @ X0) |  (c2_1 @ X0))))),
% 1.33/1.35      inference('split', [status(esa)], [zip_derived_cl147])).
% 1.33/1.35  thf(zip_derived_cl304, plain, (( (c0_1 @ a2014)) <= (( (c0_1 @ a2014)))),
% 1.33/1.35      inference('split', [status(esa)], [zip_derived_cl50])).
% 1.33/1.35  thf(zip_derived_cl1174, plain,
% 1.33/1.35      ((( (c2_1 @ a2014) | ~ (c1_1 @ a2014)))
% 1.33/1.35         <= (( (c0_1 @ a2014)) & 
% 1.33/1.35             (![X0 : $i]: (~ (c1_1 @ X0) | ~ (c0_1 @ X0) |  (c2_1 @ X0))))),
% 1.33/1.35      inference('s_sup+', [status(thm)], [zip_derived_cl533, zip_derived_cl304])).
% 1.33/1.35  thf('70', plain,
% 1.33/1.35      (~ (![X0 : $i]: (~ (c1_1 @ X0) | ~ (c0_1 @ X0) |  (c2_1 @ X0))) | 
% 1.33/1.35       ~ ( (c0_1 @ a2014)) | ( (c2_1 @ a2014)) | ~ ( (c1_1 @ a2014))),
% 1.33/1.35      inference('split', [status(esa)], [zip_derived_cl1174])).
% 1.33/1.35  thf(clause144, conjecture,
% 1.33/1.35    (~( ( hskp20 ) | ( hskp13 ) | ( c0_1 @ U ) | ( ~( ndr1_0 ) ) | 
% 1.33/1.35        ( ~( c3_1 @ U ) ) | ( ~( c2_1 @ U ) ) ))).
% 1.33/1.35  thf(zf_stmt_61, negated_conjecture,
% 1.33/1.35    (( hskp20 ) | ( hskp13 ) | ( c0_1 @ U ) | ( ~( ndr1_0 ) ) | 
% 1.33/1.35     ( ~( c3_1 @ U ) ) | ( ~( c2_1 @ U ) )),
% 1.33/1.35    inference('cnf.neg', [status(esa)], [clause144])).
% 1.33/1.35  thf(zip_derived_cl143, plain,
% 1.33/1.35      (![X0 : $i]:
% 1.33/1.35         ( (hskp20)
% 1.33/1.35          |  (hskp13)
% 1.33/1.35          |  (c0_1 @ X0)
% 1.33/1.35          | ~ (ndr1_0)
% 1.33/1.35          | ~ (c3_1 @ X0)
% 1.33/1.35          | ~ (c2_1 @ X0))),
% 1.33/1.35      inference('cnf', [status(esa)], [zf_stmt_61])).
% 1.33/1.35  thf('71', plain,
% 1.33/1.35      ((![X0 : $i]: ( (c0_1 @ X0) | ~ (c2_1 @ X0) | ~ (c3_1 @ X0))) | 
% 1.33/1.35       ( (hskp20)) | ( (hskp13)) | ~ ( (ndr1_0))),
% 1.33/1.35      inference('split', [status(esa)], [zip_derived_cl143])).
% 1.33/1.35  thf('72', plain, (( (c3_1 @ a1979)) | ~ ( (hskp6))),
% 1.33/1.35      inference('split', [status(esa)], [zip_derived_cl74])).
% 1.33/1.35  thf(clause118, conjecture, (~( ( ~( hskp6 ) ) | ( ~( c0_1 @ a1979 ) ) ))).
% 1.33/1.35  thf(zf_stmt_62, negated_conjecture, (( ~( hskp6 ) ) | ( ~( c0_1 @ a1979 ) )),
% 1.33/1.35    inference('cnf.neg', [status(esa)], [clause118])).
% 1.33/1.35  thf(zip_derived_cl117, plain, ((~ (hskp6) | ~ (c0_1 @ a1979))),
% 1.33/1.35      inference('cnf', [status(esa)], [zf_stmt_62])).
% 1.33/1.35  thf('73', plain, (~ ( (c0_1 @ a1979)) | ~ ( (hskp6))),
% 1.33/1.35      inference('split', [status(esa)], [zip_derived_cl117])).
% 1.33/1.35  thf(clause119, conjecture, (~( ( ~( hskp6 ) ) | ( ~( c2_1 @ a1979 ) ) ))).
% 1.33/1.35  thf(zf_stmt_63, negated_conjecture, (( ~( hskp6 ) ) | ( ~( c2_1 @ a1979 ) )),
% 1.33/1.35    inference('cnf.neg', [status(esa)], [clause119])).
% 1.33/1.35  thf(zip_derived_cl118, plain, ((~ (hskp6) | ~ (c2_1 @ a1979))),
% 1.33/1.35      inference('cnf', [status(esa)], [zf_stmt_63])).
% 1.33/1.35  thf('74', plain, (~ ( (c2_1 @ a1979)) | ~ ( (hskp6))),
% 1.33/1.35      inference('split', [status(esa)], [zip_derived_cl118])).
% 1.33/1.35  thf('75', plain,
% 1.33/1.35      (( (hskp23)) | 
% 1.33/1.35       (![X0 : $i]: ( (c1_1 @ X0) | ~ (c2_1 @ X0) |  (c3_1 @ X0))) | 
% 1.33/1.35       ( (hskp6)) | ~ ( (ndr1_0))),
% 1.33/1.35      inference('split', [status(esa)], [zip_derived_cl137])).
% 1.33/1.35  thf(clause54, conjecture, (~( ( c2_1 @ a2009 ) | ( ~( hskp21 ) ) ))).
% 1.33/1.35  thf(zf_stmt_64, negated_conjecture, (( c2_1 @ a2009 ) | ( ~( hskp21 ) )),
% 1.33/1.35    inference('cnf.neg', [status(esa)], [clause54])).
% 1.33/1.35  thf(zip_derived_cl53, plain, (( (c2_1 @ a2009) | ~ (hskp21))),
% 1.33/1.35      inference('cnf', [status(esa)], [zf_stmt_64])).
% 1.33/1.35  thf('76', plain, (( (c2_1 @ a2009)) | ~ ( (hskp21))),
% 1.33/1.35      inference('split', [status(esa)], [zip_derived_cl53])).
% 1.33/1.35  thf(clause94, conjecture, (~( ( ~( hskp21 ) ) | ( ~( c1_1 @ a2009 ) ) ))).
% 1.33/1.35  thf(zf_stmt_65, negated_conjecture,
% 1.33/1.35    (( ~( hskp21 ) ) | ( ~( c1_1 @ a2009 ) )),
% 1.33/1.35    inference('cnf.neg', [status(esa)], [clause94])).
% 1.33/1.35  thf(zip_derived_cl93, plain, ((~ (hskp21) | ~ (c1_1 @ a2009))),
% 1.33/1.35      inference('cnf', [status(esa)], [zf_stmt_65])).
% 1.33/1.35  thf('77', plain, (~ ( (c1_1 @ a2009)) | ~ ( (hskp21))),
% 1.33/1.35      inference('split', [status(esa)], [zip_derived_cl93])).
% 1.33/1.35  thf(clause95, conjecture, (~( ( ~( hskp21 ) ) | ( ~( c3_1 @ a2009 ) ) ))).
% 1.33/1.35  thf(zf_stmt_66, negated_conjecture,
% 1.33/1.35    (( ~( hskp21 ) ) | ( ~( c3_1 @ a2009 ) )),
% 1.33/1.35    inference('cnf.neg', [status(esa)], [clause95])).
% 1.33/1.35  thf(zip_derived_cl94, plain, ((~ (hskp21) | ~ (c3_1 @ a2009))),
% 1.33/1.35      inference('cnf', [status(esa)], [zf_stmt_66])).
% 1.33/1.35  thf('78', plain, (~ ( (c3_1 @ a2009)) | ~ ( (hskp21))),
% 1.33/1.35      inference('split', [status(esa)], [zip_derived_cl94])).
% 1.33/1.35  thf(zip_derived_cl494, plain,
% 1.33/1.35      ((![X0 : $i]: ( (c1_1 @ X0) | ~ (c2_1 @ X0) |  (c3_1 @ X0)))
% 1.33/1.35         <= ((![X0 : $i]: ( (c1_1 @ X0) | ~ (c2_1 @ X0) |  (c3_1 @ X0))))),
% 1.33/1.35      inference('split', [status(esa)], [zip_derived_cl137])).
% 1.33/1.35  thf(zip_derived_cl392, plain, ((~ (c3_1 @ a2009)) <= (~ ( (c3_1 @ a2009)))),
% 1.33/1.35      inference('split', [status(esa)], [zip_derived_cl94])).
% 1.33/1.35  thf(zip_derived_cl1464, plain,
% 1.33/1.35      (((~ (c2_1 @ a2009) |  (c1_1 @ a2009)))
% 1.33/1.35         <= (~ ( (c3_1 @ a2009)) & 
% 1.33/1.35             (![X0 : $i]: ( (c1_1 @ X0) | ~ (c2_1 @ X0) |  (c3_1 @ X0))))),
% 1.33/1.35      inference('s_sup-', [status(thm)], [zip_derived_cl494, zip_derived_cl392])).
% 1.33/1.35  thf('79', plain,
% 1.33/1.35      (( (c1_1 @ a2009)) | ( (c3_1 @ a2009)) | 
% 1.33/1.35       ~ (![X0 : $i]: ( (c1_1 @ X0) | ~ (c2_1 @ X0) |  (c3_1 @ X0))) | 
% 1.33/1.35       ~ ( (c2_1 @ a2009))),
% 1.33/1.35      inference('split', [status(esa)], [zip_derived_cl1464])).
% 1.33/1.35  thf(clause168, conjecture,
% 1.33/1.35    (~( ( hskp21 ) | ( c2_1 @ V ) | ( c1_1 @ V ) | ( c3_1 @ U ) | 
% 1.33/1.35        ( c2_1 @ U ) | ( ~( c3_1 @ V ) ) | ( ~( ndr1_0 ) ) | ( ~( c1_1 @ U ) ) ))).
% 1.33/1.35  thf(zf_stmt_67, negated_conjecture,
% 1.33/1.35    (( hskp21 ) | ( c2_1 @ V ) | ( c1_1 @ V ) | ( c3_1 @ U ) | ( c2_1 @ U ) | 
% 1.33/1.35     ( ~( c3_1 @ V ) ) | ( ~( ndr1_0 ) ) | ( ~( c1_1 @ U ) )),
% 1.33/1.35    inference('cnf.neg', [status(esa)], [clause168])).
% 1.33/1.35  thf(zip_derived_cl167, plain,
% 1.33/1.35      (![X0 : $i, X1 : $i]:
% 1.33/1.35         ( (hskp21)
% 1.33/1.35          |  (c2_1 @ X0)
% 1.33/1.35          |  (c1_1 @ X0)
% 1.33/1.35          |  (c3_1 @ X1)
% 1.33/1.35          |  (c2_1 @ X1)
% 1.33/1.35          | ~ (c3_1 @ X0)
% 1.33/1.35          | ~ (ndr1_0)
% 1.33/1.35          | ~ (c1_1 @ X1))),
% 1.33/1.35      inference('cnf', [status(esa)], [zf_stmt_67])).
% 1.33/1.35  thf('80', plain,
% 1.33/1.35      ((![X1 : $i]: ( (c3_1 @ X1) |  (c2_1 @ X1) | ~ (c1_1 @ X1))) | 
% 1.33/1.35       (![X0 : $i]: ( (c1_1 @ X0) |  (c2_1 @ X0) | ~ (c3_1 @ X0))) | 
% 1.33/1.35       ~ ( (ndr1_0)) | ( (hskp21))),
% 1.33/1.35      inference('split', [status(esa)], [zip_derived_cl167])).
% 1.33/1.35  thf(zip_derived_cl486, plain,
% 1.33/1.35      ((![X0 : $i]: ( (c1_1 @ X0) |  (c2_1 @ X0) | ~ (c3_1 @ X0)))
% 1.33/1.35         <= ((![X0 : $i]: ( (c1_1 @ X0) |  (c2_1 @ X0) | ~ (c3_1 @ X0))))),
% 1.33/1.35      inference('split', [status(esa)], [zip_derived_cl135])).
% 1.33/1.35  thf(clause67, conjecture, (~( ( c3_1 @ a1990 ) | ( ~( hskp12 ) ) ))).
% 1.33/1.35  thf(zf_stmt_68, negated_conjecture, (( c3_1 @ a1990 ) | ( ~( hskp12 ) )),
% 1.33/1.35    inference('cnf.neg', [status(esa)], [clause67])).
% 1.33/1.35  thf(zip_derived_cl66, plain, (( (c3_1 @ a1990) | ~ (hskp12))),
% 1.33/1.35      inference('cnf', [status(esa)], [zf_stmt_68])).
% 1.33/1.35  thf(zip_derived_cl336, plain, (( (c3_1 @ a1990)) <= (( (c3_1 @ a1990)))),
% 1.33/1.35      inference('split', [status(esa)], [zip_derived_cl66])).
% 1.33/1.35  thf(zip_derived_cl1410, plain,
% 1.33/1.35      ((( (c2_1 @ a1990) |  (c1_1 @ a1990)))
% 1.33/1.35         <= (( (c3_1 @ a1990)) & 
% 1.33/1.35             (![X0 : $i]: ( (c1_1 @ X0) |  (c2_1 @ X0) | ~ (c3_1 @ X0))))),
% 1.33/1.35      inference('s_sup+', [status(thm)], [zip_derived_cl486, zip_derived_cl336])).
% 1.33/1.35  thf('81', plain,
% 1.33/1.35      (~ (![X0 : $i]: ( (c1_1 @ X0) |  (c2_1 @ X0) | ~ (c3_1 @ X0))) | 
% 1.33/1.35       ~ ( (c3_1 @ a1990)) | ( (c1_1 @ a1990)) | ( (c2_1 @ a1990))),
% 1.33/1.35      inference('split', [status(esa)], [zip_derived_cl1410])).
% 1.33/1.35  thf('82', plain, (( (c3_1 @ a1990)) | ~ ( (hskp12))),
% 1.33/1.35      inference('split', [status(esa)], [zip_derived_cl66])).
% 1.33/1.35  thf(clause108, conjecture, (~( ( ~( hskp12 ) ) | ( ~( c1_1 @ a1990 ) ) ))).
% 1.33/1.35  thf(zf_stmt_69, negated_conjecture,
% 1.33/1.35    (( ~( hskp12 ) ) | ( ~( c1_1 @ a1990 ) )),
% 1.33/1.35    inference('cnf.neg', [status(esa)], [clause108])).
% 1.33/1.35  thf(zip_derived_cl107, plain, ((~ (hskp12) | ~ (c1_1 @ a1990))),
% 1.33/1.35      inference('cnf', [status(esa)], [zf_stmt_69])).
% 1.33/1.35  thf('83', plain, (~ ( (c1_1 @ a1990)) | ~ ( (hskp12))),
% 1.33/1.35      inference('split', [status(esa)], [zip_derived_cl107])).
% 1.33/1.35  thf(clause109, conjecture, (~( ( ~( hskp12 ) ) | ( ~( c2_1 @ a1990 ) ) ))).
% 1.33/1.35  thf(zf_stmt_70, negated_conjecture,
% 1.33/1.35    (( ~( hskp12 ) ) | ( ~( c2_1 @ a1990 ) )),
% 1.33/1.35    inference('cnf.neg', [status(esa)], [clause109])).
% 1.33/1.35  thf(zip_derived_cl108, plain, ((~ (hskp12) | ~ (c2_1 @ a1990))),
% 1.33/1.35      inference('cnf', [status(esa)], [zf_stmt_70])).
% 1.33/1.35  thf('84', plain, (~ ( (c2_1 @ a1990)) | ~ ( (hskp12))),
% 1.33/1.35      inference('split', [status(esa)], [zip_derived_cl108])).
% 1.33/1.35  thf(clause177, conjecture,
% 1.33/1.35    (~( ( hskp12 ) | ( c3_1 @ V ) | ( c0_1 @ V ) | ( c0_1 @ U ) | 
% 1.33/1.35        ( ~( c1_1 @ V ) ) | ( ~( ndr1_0 ) ) | ( ~( c3_1 @ U ) ) | 
% 1.33/1.35        ( ~( c1_1 @ U ) ) ))).
% 1.33/1.35  thf(zf_stmt_71, negated_conjecture,
% 1.33/1.35    (( hskp12 ) | ( c3_1 @ V ) | ( c0_1 @ V ) | ( c0_1 @ U ) | 
% 1.33/1.35     ( ~( c1_1 @ V ) ) | ( ~( ndr1_0 ) ) | ( ~( c3_1 @ U ) ) | 
% 1.33/1.35     ( ~( c1_1 @ U ) )),
% 1.33/1.35    inference('cnf.neg', [status(esa)], [clause177])).
% 1.33/1.35  thf(zip_derived_cl176, plain,
% 1.33/1.35      (![X0 : $i, X1 : $i]:
% 1.33/1.35         ( (hskp12)
% 1.33/1.35          |  (c3_1 @ X0)
% 1.33/1.35          |  (c0_1 @ X0)
% 1.33/1.35          |  (c0_1 @ X1)
% 1.33/1.35          | ~ (c1_1 @ X0)
% 1.33/1.35          | ~ (ndr1_0)
% 1.33/1.35          | ~ (c3_1 @ X1)
% 1.33/1.35          | ~ (c1_1 @ X1))),
% 1.33/1.35      inference('cnf', [status(esa)], [zf_stmt_71])).
% 1.33/1.35  thf('85', plain,
% 1.33/1.35      (( (hskp12)) | 
% 1.33/1.35       (![X0 : $i]: (~ (c1_1 @ X0) |  (c0_1 @ X0) |  (c3_1 @ X0))) | 
% 1.33/1.35       ~ ( (ndr1_0)) | 
% 1.33/1.35       (![X0 : $i]: (~ (c1_1 @ X0) |  (c0_1 @ X0) | ~ (c3_1 @ X0)))),
% 1.33/1.35      inference('split', [status(esa)], [zip_derived_cl176])).
% 1.33/1.35  thf(zip_derived_cl648, plain,
% 1.33/1.35      ((![X0 : $i]: (~ (c1_1 @ X0) |  (c0_1 @ X0) |  (c3_1 @ X0)))
% 1.33/1.35         <= ((![X0 : $i]: (~ (c1_1 @ X0) |  (c0_1 @ X0) |  (c3_1 @ X0))))),
% 1.33/1.35      inference('split', [status(esa)], [zip_derived_cl176])).
% 1.33/1.35  thf(clause121, conjecture, (~( ( ~( hskp5 ) ) | ( ~( c3_1 @ a1977 ) ) ))).
% 1.33/1.35  thf(zf_stmt_72, negated_conjecture, (( ~( hskp5 ) ) | ( ~( c3_1 @ a1977 ) )),
% 1.33/1.35    inference('cnf.neg', [status(esa)], [clause121])).
% 1.33/1.35  thf(zip_derived_cl120, plain, ((~ (hskp5) | ~ (c3_1 @ a1977))),
% 1.33/1.35      inference('cnf', [status(esa)], [zf_stmt_72])).
% 1.33/1.35  thf(zip_derived_cl444, plain, ((~ (c3_1 @ a1977)) <= (~ ( (c3_1 @ a1977)))),
% 1.33/1.35      inference('split', [status(esa)], [zip_derived_cl120])).
% 1.33/1.35  thf(zip_derived_cl2067, plain,
% 1.33/1.35      ((( (c0_1 @ a1977) | ~ (c1_1 @ a1977)))
% 1.33/1.35         <= (~ ( (c3_1 @ a1977)) & 
% 1.33/1.35             (![X0 : $i]: (~ (c1_1 @ X0) |  (c0_1 @ X0) |  (c3_1 @ X0))))),
% 1.33/1.35      inference('s_sup-', [status(thm)], [zip_derived_cl648, zip_derived_cl444])).
% 1.33/1.35  thf('86', plain,
% 1.33/1.35      (( (c0_1 @ a1977)) | ~ ( (c1_1 @ a1977)) | 
% 1.33/1.35       ~ (![X0 : $i]: (~ (c1_1 @ X0) |  (c0_1 @ X0) |  (c3_1 @ X0))) | 
% 1.33/1.35       ( (c3_1 @ a1977))),
% 1.33/1.35      inference('split', [status(esa)], [zip_derived_cl2067])).
% 1.33/1.35  thf(zip_derived_cl474, plain,
% 1.33/1.35      ((![X0 : $i]: ( (c0_1 @ X0) |  (c2_1 @ X0) | ~ (c3_1 @ X0)))
% 1.33/1.35         <= ((![X0 : $i]: ( (c0_1 @ X0) |  (c2_1 @ X0) | ~ (c3_1 @ X0))))),
% 1.33/1.35      inference('split', [status(esa)], [zip_derived_cl132])).
% 1.33/1.35  thf(zip_derived_cl352, plain, (( (c3_1 @ a1979)) <= (( (c3_1 @ a1979)))),
% 1.33/1.35      inference('split', [status(esa)], [zip_derived_cl74])).
% 1.33/1.35  thf(zip_derived_cl1315, plain,
% 1.33/1.35      ((( (c2_1 @ a1979) |  (c0_1 @ a1979)))
% 1.33/1.35         <= (( (c3_1 @ a1979)) & 
% 1.33/1.35             (![X0 : $i]: ( (c0_1 @ X0) |  (c2_1 @ X0) | ~ (c3_1 @ X0))))),
% 1.33/1.35      inference('s_sup+', [status(thm)], [zip_derived_cl474, zip_derived_cl352])).
% 1.33/1.35  thf('87', plain,
% 1.33/1.35      (~ ( (c3_1 @ a1979)) | ( (c0_1 @ a1979)) | 
% 1.33/1.35       ~ (![X0 : $i]: ( (c0_1 @ X0) |  (c2_1 @ X0) | ~ (c3_1 @ X0))) | 
% 1.33/1.35       ( (c2_1 @ a1979))),
% 1.33/1.35      inference('split', [status(esa)], [zip_derived_cl1315])).
% 1.33/1.35  thf(clause145, conjecture,
% 1.33/1.35    (~( ( hskp11 ) | ( hskp10 ) | ( c1_1 @ U ) | ( ~( ndr1_0 ) ) | 
% 1.33/1.35        ( ~( c2_1 @ U ) ) | ( ~( c0_1 @ U ) ) ))).
% 1.33/1.35  thf(zf_stmt_73, negated_conjecture,
% 1.33/1.35    (( hskp11 ) | ( hskp10 ) | ( c1_1 @ U ) | ( ~( ndr1_0 ) ) | 
% 1.33/1.35     ( ~( c2_1 @ U ) ) | ( ~( c0_1 @ U ) )),
% 1.33/1.35    inference('cnf.neg', [status(esa)], [clause145])).
% 1.33/1.35  thf(zip_derived_cl144, plain,
% 1.33/1.35      (![X0 : $i]:
% 1.33/1.35         ( (hskp11)
% 1.33/1.35          |  (hskp10)
% 1.33/1.35          |  (c1_1 @ X0)
% 1.33/1.35          | ~ (ndr1_0)
% 1.33/1.35          | ~ (c2_1 @ X0)
% 1.33/1.35          | ~ (c0_1 @ X0))),
% 1.33/1.35      inference('cnf', [status(esa)], [zf_stmt_73])).
% 1.33/1.35  thf('88', plain,
% 1.33/1.35      (( (hskp10)) | ( (hskp11)) | 
% 1.33/1.35       (![X0 : $i]: ( (c1_1 @ X0) | ~ (c0_1 @ X0) | ~ (c2_1 @ X0))) | 
% 1.33/1.35       ~ ( (ndr1_0))),
% 1.33/1.35      inference('split', [status(esa)], [zip_derived_cl144])).
% 1.33/1.35  thf(zip_derived_cl521, plain,
% 1.33/1.35      ((![X0 : $i]: ( (c1_1 @ X0) | ~ (c0_1 @ X0) | ~ (c2_1 @ X0)))
% 1.33/1.35         <= ((![X0 : $i]: ( (c1_1 @ X0) | ~ (c0_1 @ X0) | ~ (c2_1 @ X0))))),
% 1.33/1.35      inference('split', [status(esa)], [zip_derived_cl144])).
% 1.33/1.35  thf(clause82, conjecture, (~( ( c0_1 @ a1971 ) | ( ~( hskp1 ) ) ))).
% 1.33/1.35  thf(zf_stmt_74, negated_conjecture, (( c0_1 @ a1971 ) | ( ~( hskp1 ) )),
% 1.33/1.35    inference('cnf.neg', [status(esa)], [clause82])).
% 1.33/1.35  thf(zip_derived_cl81, plain, (( (c0_1 @ a1971) | ~ (hskp1))),
% 1.33/1.35      inference('cnf', [status(esa)], [zf_stmt_74])).
% 1.33/1.35  thf(zip_derived_cl366, plain, (( (c0_1 @ a1971)) <= (( (c0_1 @ a1971)))),
% 1.33/1.35      inference('split', [status(esa)], [zip_derived_cl81])).
% 1.33/1.35  thf(zip_derived_cl1130, plain,
% 1.33/1.35      (((~ (c2_1 @ a1971) |  (c1_1 @ a1971)))
% 1.33/1.35         <= (( (c0_1 @ a1971)) & 
% 1.33/1.35             (![X0 : $i]: ( (c1_1 @ X0) | ~ (c0_1 @ X0) | ~ (c2_1 @ X0))))),
% 1.33/1.35      inference('s_sup+', [status(thm)], [zip_derived_cl521, zip_derived_cl366])).
% 1.33/1.35  thf('89', plain,
% 1.33/1.35      (~ (![X0 : $i]: ( (c1_1 @ X0) | ~ (c0_1 @ X0) | ~ (c2_1 @ X0))) | 
% 1.33/1.35       ~ ( (c0_1 @ a1971)) | ~ ( (c2_1 @ a1971)) | ( (c1_1 @ a1971))),
% 1.33/1.35      inference('split', [status(esa)], [zip_derived_cl1130])).
% 1.33/1.35  thf('90', plain, (( (c0_1 @ a1971)) | ~ ( (hskp1))),
% 1.33/1.35      inference('split', [status(esa)], [zip_derived_cl81])).
% 1.33/1.35  thf(clause83, conjecture, (~( ( c2_1 @ a1971 ) | ( ~( hskp1 ) ) ))).
% 1.33/1.35  thf(zf_stmt_75, negated_conjecture, (( c2_1 @ a1971 ) | ( ~( hskp1 ) )),
% 1.33/1.35    inference('cnf.neg', [status(esa)], [clause83])).
% 1.33/1.35  thf(zip_derived_cl82, plain, (( (c2_1 @ a1971) | ~ (hskp1))),
% 1.33/1.35      inference('cnf', [status(esa)], [zf_stmt_75])).
% 1.33/1.35  thf('91', plain, (( (c2_1 @ a1971)) | ~ ( (hskp1))),
% 1.33/1.35      inference('split', [status(esa)], [zip_derived_cl82])).
% 1.33/1.35  thf(clause126, conjecture, (~( ( ~( hskp1 ) ) | ( ~( c1_1 @ a1971 ) ) ))).
% 1.33/1.35  thf(zf_stmt_76, negated_conjecture, (( ~( hskp1 ) ) | ( ~( c1_1 @ a1971 ) )),
% 1.33/1.35    inference('cnf.neg', [status(esa)], [clause126])).
% 1.33/1.35  thf(zip_derived_cl125, plain, ((~ (hskp1) | ~ (c1_1 @ a1971))),
% 1.33/1.35      inference('cnf', [status(esa)], [zf_stmt_76])).
% 1.33/1.35  thf('92', plain, (~ ( (c1_1 @ a1971)) | ~ ( (hskp1))),
% 1.33/1.35      inference('split', [status(esa)], [zip_derived_cl125])).
% 1.33/1.35  thf('93', plain,
% 1.33/1.35      (( (hskp1)) | 
% 1.33/1.35       (![X0 : $i]: ( (c1_1 @ X0) |  (c2_1 @ X0) | ~ (c3_1 @ X0))) | 
% 1.33/1.35       ( (hskp10)) | ~ ( (ndr1_0))),
% 1.33/1.35      inference('split', [status(esa)], [zip_derived_cl135])).
% 1.33/1.35  thf(zip_derived_cl466, plain,
% 1.33/1.35      ((![X0 : $i]: ( (c1_1 @ X0) |  (c0_1 @ X0) | ~ (c3_1 @ X0)))
% 1.33/1.35         <= ((![X0 : $i]: ( (c1_1 @ X0) |  (c0_1 @ X0) | ~ (c3_1 @ X0))))),
% 1.33/1.35      inference('split', [status(esa)], [zip_derived_cl130])).
% 1.33/1.35  thf(zip_derived_cl346, plain, (( (c3_1 @ a1983)) <= (( (c3_1 @ a1983)))),
% 1.33/1.35      inference('split', [status(esa)], [zip_derived_cl71])).
% 1.33/1.35  thf(zip_derived_cl1104, plain,
% 1.33/1.35      ((( (c0_1 @ a1983) |  (c1_1 @ a1983)))
% 1.33/1.35         <= (( (c3_1 @ a1983)) & 
% 1.33/1.35             (![X0 : $i]: ( (c1_1 @ X0) |  (c0_1 @ X0) | ~ (c3_1 @ X0))))),
% 1.33/1.35      inference('s_sup+', [status(thm)], [zip_derived_cl466, zip_derived_cl346])).
% 1.33/1.35  thf('94', plain,
% 1.33/1.35      (~ (![X0 : $i]: ( (c1_1 @ X0) |  (c0_1 @ X0) | ~ (c3_1 @ X0))) | 
% 1.33/1.35       ~ ( (c3_1 @ a1983)) | ( (c0_1 @ a1983)) | ( (c1_1 @ a1983))),
% 1.33/1.35      inference('split', [status(esa)], [zip_derived_cl1104])).
% 1.33/1.35  thf(zip_derived_cl502, plain,
% 1.33/1.35      ((![X0 : $i]: ( (c1_1 @ X0) | ~ (c2_1 @ X0) | ~ (c3_1 @ X0)))
% 1.33/1.35         <= ((![X0 : $i]: ( (c1_1 @ X0) | ~ (c2_1 @ X0) | ~ (c3_1 @ X0))))),
% 1.33/1.35      inference('split', [status(esa)], [zip_derived_cl139])).
% 1.33/1.35  thf(zip_derived_cl346, plain, (( (c3_1 @ a1983)) <= (( (c3_1 @ a1983)))),
% 1.33/1.35      inference('split', [status(esa)], [zip_derived_cl71])).
% 1.33/1.35  thf(zip_derived_cl1020, plain,
% 1.33/1.35      (((~ (c2_1 @ a1983) |  (c1_1 @ a1983)))
% 1.33/1.35         <= (( (c3_1 @ a1983)) & 
% 1.33/1.35             (![X0 : $i]: ( (c1_1 @ X0) | ~ (c2_1 @ X0) | ~ (c3_1 @ X0))))),
% 1.33/1.35      inference('s_sup+', [status(thm)], [zip_derived_cl502, zip_derived_cl346])).
% 1.33/1.35  thf('95', plain,
% 1.33/1.35      (~ ( (c2_1 @ a1983)) | 
% 1.33/1.35       ~ (![X0 : $i]: ( (c1_1 @ X0) | ~ (c2_1 @ X0) | ~ (c3_1 @ X0))) | 
% 1.33/1.35       ( (c1_1 @ a1983)) | ~ ( (c3_1 @ a1983))),
% 1.33/1.35      inference('split', [status(esa)], [zip_derived_cl1020])).
% 1.33/1.35  thf(clause115, conjecture, (~( ( ~( hskp8 ) ) | ( ~( c0_1 @ a1983 ) ) ))).
% 1.33/1.35  thf(zf_stmt_77, negated_conjecture, (( ~( hskp8 ) ) | ( ~( c0_1 @ a1983 ) )),
% 1.33/1.35    inference('cnf.neg', [status(esa)], [clause115])).
% 1.33/1.35  thf(zip_derived_cl114, plain, ((~ (hskp8) | ~ (c0_1 @ a1983))),
% 1.33/1.35      inference('cnf', [status(esa)], [zf_stmt_77])).
% 1.33/1.35  thf('96', plain, (~ ( (c0_1 @ a1983)) | ~ ( (hskp8))),
% 1.33/1.35      inference('split', [status(esa)], [zip_derived_cl114])).
% 1.33/1.35  thf(clause116, conjecture, (~( ( ~( hskp8 ) ) | ( ~( c1_1 @ a1983 ) ) ))).
% 1.33/1.35  thf(zf_stmt_78, negated_conjecture, (( ~( hskp8 ) ) | ( ~( c1_1 @ a1983 ) )),
% 1.33/1.35    inference('cnf.neg', [status(esa)], [clause116])).
% 1.33/1.35  thf(zip_derived_cl115, plain, ((~ (hskp8) | ~ (c1_1 @ a1983))),
% 1.33/1.35      inference('cnf', [status(esa)], [zf_stmt_78])).
% 1.33/1.35  thf('97', plain, (~ ( (c1_1 @ a1983)) | ~ ( (hskp8))),
% 1.33/1.35      inference('split', [status(esa)], [zip_derived_cl115])).
% 1.33/1.35  thf(zip_derived_cl545, plain,
% 1.33/1.35      ((![X0 : $i]: (~ (c0_1 @ X0) | ~ (c2_1 @ X0) |  (c3_1 @ X0)))
% 1.33/1.35         <= ((![X0 : $i]: (~ (c0_1 @ X0) | ~ (c2_1 @ X0) |  (c3_1 @ X0))))),
% 1.33/1.35      inference('split', [status(esa)], [zip_derived_cl150])).
% 1.33/1.35  thf(zip_derived_cl444, plain, ((~ (c3_1 @ a1977)) <= (~ ( (c3_1 @ a1977)))),
% 1.33/1.35      inference('split', [status(esa)], [zip_derived_cl120])).
% 1.33/1.35  thf(zip_derived_cl1577, plain,
% 1.33/1.35      (((~ (c2_1 @ a1977) | ~ (c0_1 @ a1977)))
% 1.33/1.35         <= (~ ( (c3_1 @ a1977)) & 
% 1.33/1.35             (![X0 : $i]: (~ (c0_1 @ X0) | ~ (c2_1 @ X0) |  (c3_1 @ X0))))),
% 1.33/1.35      inference('s_sup-', [status(thm)], [zip_derived_cl545, zip_derived_cl444])).
% 1.33/1.35  thf(zip_derived_cl1750, plain, ((~ (c0_1 @ a1977)) <= (~ ( (c0_1 @ a1977)))),
% 1.33/1.35      inference('split', [status(esa)], [zip_derived_cl1577])).
% 1.33/1.35  thf(zip_derived_cl470, plain,
% 1.33/1.35      ((![X0 : $i]: (~ (c1_1 @ X0) |  (c0_1 @ X0) |  (c2_1 @ X0)))
% 1.33/1.35         <= ((![X0 : $i]: (~ (c1_1 @ X0) |  (c0_1 @ X0) |  (c2_1 @ X0))))),
% 1.33/1.35      inference('split', [status(esa)], [zip_derived_cl131])).
% 1.33/1.35  thf(zip_derived_cl1753, plain,
% 1.33/1.35      (((~ (c1_1 @ a1977) |  (c2_1 @ a1977)))
% 1.33/1.35         <= (~ ( (c0_1 @ a1977)) & 
% 1.33/1.35             (![X0 : $i]: (~ (c1_1 @ X0) |  (c0_1 @ X0) |  (c2_1 @ X0))))),
% 1.33/1.35      inference('s_sup+', [status(thm)],
% 1.33/1.35                [zip_derived_cl1750, zip_derived_cl470])).
% 1.33/1.35  thf('98', plain,
% 1.33/1.35      (~ (![X0 : $i]: (~ (c1_1 @ X0) |  (c0_1 @ X0) |  (c2_1 @ X0))) | 
% 1.33/1.35       ( (c0_1 @ a1977)) | ( (c2_1 @ a1977)) | ~ ( (c1_1 @ a1977))),
% 1.33/1.35      inference('split', [status(esa)], [zip_derived_cl1753])).
% 1.33/1.35  thf(clause33, conjecture, (~( ( hskp8 ) | ( hskp5 ) | ( hskp23 ) ))).
% 1.33/1.35  thf(zf_stmt_79, negated_conjecture, (( hskp8 ) | ( hskp5 ) | ( hskp23 )),
% 1.33/1.35    inference('cnf.neg', [status(esa)], [clause33])).
% 1.33/1.35  thf(zip_derived_cl32, plain, (( (hskp8) |  (hskp5) |  (hskp23))),
% 1.33/1.35      inference('cnf', [status(esa)], [zf_stmt_79])).
% 1.33/1.35  thf('99', plain, (( (hskp23)) | ( (hskp8)) | ( (hskp5))),
% 1.33/1.35      inference('split', [status(esa)], [zip_derived_cl32])).
% 1.33/1.35  thf('100', plain,
% 1.33/1.35      (( (hskp28)) | ( (hskp8)) | 
% 1.33/1.35       (![X0 : $i]: (~ (c1_1 @ X0) |  (c0_1 @ X0) |  (c2_1 @ X0))) | 
% 1.33/1.35       ~ ( (ndr1_0))),
% 1.33/1.35      inference('split', [status(esa)], [zip_derived_cl131])).
% 1.33/1.35  thf(zip_derived_cl604, plain,
% 1.33/1.35      ((![X0 : $i]: ( (c0_1 @ X0) | ~ (c2_1 @ X0) |  (c3_1 @ X0)))
% 1.33/1.35         <= ((![X0 : $i]: ( (c0_1 @ X0) | ~ (c2_1 @ X0) |  (c3_1 @ X0))))),
% 1.33/1.35      inference('split', [status(esa)], [zip_derived_cl165])).
% 1.33/1.35  thf(zip_derived_cl444, plain, ((~ (c3_1 @ a1977)) <= (~ ( (c3_1 @ a1977)))),
% 1.33/1.35      inference('split', [status(esa)], [zip_derived_cl120])).
% 1.33/1.35  thf(zip_derived_cl2027, plain,
% 1.33/1.35      (((~ (c2_1 @ a1977) |  (c0_1 @ a1977)))
% 1.33/1.35         <= (~ ( (c3_1 @ a1977)) & 
% 1.33/1.35             (![X0 : $i]: ( (c0_1 @ X0) | ~ (c2_1 @ X0) |  (c3_1 @ X0))))),
% 1.33/1.35      inference('s_sup-', [status(thm)], [zip_derived_cl604, zip_derived_cl444])).
% 1.33/1.35  thf(zip_derived_cl4373, plain, (( (c0_1 @ a1977)) <= (( (c0_1 @ a1977)))),
% 1.33/1.35      inference('split', [status(esa)], [zip_derived_cl2027])).
% 1.33/1.35  thf(zip_derived_cl533, plain,
% 1.33/1.35      ((![X0 : $i]: (~ (c1_1 @ X0) | ~ (c0_1 @ X0) |  (c2_1 @ X0)))
% 1.33/1.35         <= ((![X0 : $i]: (~ (c1_1 @ X0) | ~ (c0_1 @ X0) |  (c2_1 @ X0))))),
% 1.33/1.35      inference('split', [status(esa)], [zip_derived_cl147])).
% 1.33/1.35  thf(zip_derived_cl4377, plain,
% 1.33/1.35      (((~ (c1_1 @ a1977) |  (c2_1 @ a1977)))
% 1.33/1.35         <= ((![X0 : $i]: (~ (c1_1 @ X0) | ~ (c0_1 @ X0) |  (c2_1 @ X0))) & 
% 1.33/1.35             ( (c0_1 @ a1977)))),
% 1.33/1.35      inference('s_sup-', [status(thm)],
% 1.33/1.35                [zip_derived_cl4373, zip_derived_cl533])).
% 1.33/1.35  thf('101', plain,
% 1.33/1.35      (~ ( (c0_1 @ a1977)) | 
% 1.33/1.35       ~ (![X0 : $i]: (~ (c1_1 @ X0) | ~ (c0_1 @ X0) |  (c2_1 @ X0))) | 
% 1.33/1.35       ~ ( (c1_1 @ a1977)) | ( (c2_1 @ a1977))),
% 1.33/1.35      inference('split', [status(esa)], [zip_derived_cl4377])).
% 1.33/1.35  thf('102', plain, (~ ( (hskp28)) | ( (c0_1 @ a1972))),
% 1.33/1.35      inference('split', [status(esa)], [zip_derived_cl42])).
% 1.33/1.35  thf(clause44, conjecture, (~( ( c1_1 @ a1972 ) | ( ~( hskp28 ) ) ))).
% 1.33/1.35  thf(zf_stmt_80, negated_conjecture, (( c1_1 @ a1972 ) | ( ~( hskp28 ) )),
% 1.33/1.35    inference('cnf.neg', [status(esa)], [clause44])).
% 1.33/1.35  thf(zip_derived_cl43, plain, (( (c1_1 @ a1972) | ~ (hskp28))),
% 1.33/1.35      inference('cnf', [status(esa)], [zf_stmt_80])).
% 1.33/1.35  thf('103', plain, (( (c1_1 @ a1972)) | ~ ( (hskp28))),
% 1.33/1.35      inference('split', [status(esa)], [zip_derived_cl43])).
% 1.33/1.35  thf(clause45, conjecture, (~( ( c3_1 @ a1972 ) | ( ~( hskp28 ) ) ))).
% 1.33/1.35  thf(zf_stmt_81, negated_conjecture, (( c3_1 @ a1972 ) | ( ~( hskp28 ) )),
% 1.33/1.35    inference('cnf.neg', [status(esa)], [clause45])).
% 1.33/1.35  thf(zip_derived_cl44, plain, (( (c3_1 @ a1972) | ~ (hskp28))),
% 1.33/1.35      inference('cnf', [status(esa)], [zf_stmt_81])).
% 1.33/1.35  thf('104', plain, (~ ( (hskp28)) | ( (c3_1 @ a1972))),
% 1.33/1.35      inference('split', [status(esa)], [zip_derived_cl44])).
% 1.33/1.35  thf(zip_derived_cl572, plain,
% 1.33/1.35      ((![X0 : $i]: (~ (c1_1 @ X0) | ~ (c0_1 @ X0) | ~ (c3_1 @ X0)))
% 1.33/1.35         <= ((![X0 : $i]: (~ (c1_1 @ X0) | ~ (c0_1 @ X0) | ~ (c3_1 @ X0))))),
% 1.33/1.35      inference('split', [status(esa)], [zip_derived_cl157])).
% 1.33/1.35  thf(zip_derived_cl292, plain, (( (c3_1 @ a1972)) <= (( (c3_1 @ a1972)))),
% 1.33/1.35      inference('split', [status(esa)], [zip_derived_cl44])).
% 1.33/1.35  thf(zip_derived_cl796, plain,
% 1.33/1.35      (((~ (c0_1 @ a1972) | ~ (c1_1 @ a1972)))
% 1.33/1.35         <= (( (c3_1 @ a1972)) & 
% 1.33/1.35             (![X0 : $i]: (~ (c1_1 @ X0) | ~ (c0_1 @ X0) | ~ (c3_1 @ X0))))),
% 1.33/1.35      inference('s_sup+', [status(thm)], [zip_derived_cl572, zip_derived_cl292])).
% 1.33/1.35  thf('105', plain,
% 1.33/1.35      (~ ( (c0_1 @ a1972)) | ~ ( (c3_1 @ a1972)) | 
% 1.33/1.35       ~ (![X0 : $i]: (~ (c1_1 @ X0) | ~ (c0_1 @ X0) | ~ (c3_1 @ X0))) | 
% 1.33/1.35       ~ ( (c1_1 @ a1972))),
% 1.33/1.35      inference('split', [status(esa)], [zip_derived_cl796])).
% 1.33/1.35  thf(clause56, conjecture, (~( ( c2_1 @ a2003 ) | ( ~( hskp20 ) ) ))).
% 1.33/1.35  thf(zf_stmt_82, negated_conjecture, (( c2_1 @ a2003 ) | ( ~( hskp20 ) )),
% 1.33/1.35    inference('cnf.neg', [status(esa)], [clause56])).
% 1.33/1.35  thf(zip_derived_cl55, plain, (( (c2_1 @ a2003) | ~ (hskp20))),
% 1.33/1.35      inference('cnf', [status(esa)], [zf_stmt_82])).
% 1.33/1.35  thf('106', plain, (~ ( (hskp20)) | ( (c2_1 @ a2003))),
% 1.33/1.35      inference('split', [status(esa)], [zip_derived_cl55])).
% 1.33/1.35  thf('107', plain,
% 1.33/1.35      (( (c3_1 @ a2003)) | ~ ( (c2_1 @ a2003)) | 
% 1.33/1.35       ~ (![X0 : $i]: (~ (c0_1 @ X0) | ~ (c2_1 @ X0) |  (c3_1 @ X0))) | 
% 1.33/1.35       ~ ( (c0_1 @ a2003))),
% 1.33/1.35      inference('split', [status(esa)], [zip_derived_cl1572])).
% 1.33/1.35  thf(clause55, conjecture, (~( ( c1_1 @ a2003 ) | ( ~( hskp20 ) ) ))).
% 1.33/1.35  thf(zf_stmt_83, negated_conjecture, (( c1_1 @ a2003 ) | ( ~( hskp20 ) )),
% 1.33/1.35    inference('cnf.neg', [status(esa)], [clause55])).
% 1.33/1.35  thf(zip_derived_cl54, plain, (( (c1_1 @ a2003) | ~ (hskp20))),
% 1.33/1.35      inference('cnf', [status(esa)], [zf_stmt_83])).
% 1.33/1.35  thf('108', plain, (( (c1_1 @ a2003)) | ~ ( (hskp20))),
% 1.33/1.35      inference('split', [status(esa)], [zip_derived_cl54])).
% 1.33/1.35  thf('109', plain, (~ ( (hskp20)) | ~ ( (c3_1 @ a2003))),
% 1.33/1.35      inference('split', [status(esa)], [zip_derived_cl95])).
% 1.33/1.35  thf(clause186, conjecture,
% 1.33/1.35    (~( ( hskp20 ) | ( c2_1 @ V ) | ( ~( c3_1 @ V ) ) | ( ~( c1_1 @ V ) ) | 
% 1.33/1.35        ( ~( ndr1_0 ) ) | ( ~( c3_1 @ U ) ) | ( ~( c1_1 @ U ) ) | 
% 1.33/1.35        ( ~( c0_1 @ U ) ) ))).
% 1.33/1.35  thf(zf_stmt_84, negated_conjecture,
% 1.33/1.35    (( hskp20 ) | ( c2_1 @ V ) | ( ~( c3_1 @ V ) ) | ( ~( c1_1 @ V ) ) | 
% 1.33/1.35     ( ~( ndr1_0 ) ) | ( ~( c3_1 @ U ) ) | ( ~( c1_1 @ U ) ) | 
% 1.33/1.35     ( ~( c0_1 @ U ) )),
% 1.33/1.35    inference('cnf.neg', [status(esa)], [clause186])).
% 1.33/1.35  thf(zip_derived_cl185, plain,
% 1.33/1.35      (![X0 : $i, X1 : $i]:
% 1.33/1.35         ( (hskp20)
% 1.33/1.35          |  (c2_1 @ X0)
% 1.33/1.35          | ~ (c3_1 @ X0)
% 1.33/1.35          | ~ (c1_1 @ X0)
% 1.33/1.35          | ~ (ndr1_0)
% 1.33/1.35          | ~ (c3_1 @ X1)
% 1.33/1.35          | ~ (c1_1 @ X1)
% 1.33/1.35          | ~ (c0_1 @ X1))),
% 1.33/1.35      inference('cnf', [status(esa)], [zf_stmt_84])).
% 1.33/1.35  thf('110', plain,
% 1.33/1.35      ((![X0 : $i]: (~ (c1_1 @ X0) | ~ (c0_1 @ X0) | ~ (c3_1 @ X0))) | 
% 1.33/1.35       ( (hskp20)) | ~ ( (ndr1_0)) | 
% 1.33/1.35       (![X0 : $i]: (~ (c1_1 @ X0) |  (c2_1 @ X0) | ~ (c3_1 @ X0)))),
% 1.33/1.35      inference('split', [status(esa)], [zip_derived_cl185])).
% 1.33/1.35  thf(clause187, conjecture,
% 1.33/1.35    (~( ( hskp10 ) | ( c3_1 @ V ) | ( ~( c2_1 @ V ) ) | ( ~( c0_1 @ V ) ) | 
% 1.33/1.35        ( ~( ndr1_0 ) ) | ( ~( c3_1 @ U ) ) | ( ~( c1_1 @ U ) ) | 
% 1.33/1.35        ( ~( c0_1 @ U ) ) ))).
% 1.33/1.35  thf(zf_stmt_85, negated_conjecture,
% 1.33/1.35    (( hskp10 ) | ( c3_1 @ V ) | ( ~( c2_1 @ V ) ) | ( ~( c0_1 @ V ) ) | 
% 1.33/1.35     ( ~( ndr1_0 ) ) | ( ~( c3_1 @ U ) ) | ( ~( c1_1 @ U ) ) | 
% 1.33/1.35     ( ~( c0_1 @ U ) )),
% 1.33/1.35    inference('cnf.neg', [status(esa)], [clause187])).
% 1.33/1.35  thf(zip_derived_cl186, plain,
% 1.33/1.35      (![X0 : $i, X1 : $i]:
% 1.33/1.35         ( (hskp10)
% 1.33/1.35          |  (c3_1 @ X0)
% 1.33/1.35          | ~ (c2_1 @ X0)
% 1.33/1.35          | ~ (c0_1 @ X0)
% 1.33/1.35          | ~ (ndr1_0)
% 1.33/1.35          | ~ (c3_1 @ X1)
% 1.33/1.35          | ~ (c1_1 @ X1)
% 1.33/1.35          | ~ (c0_1 @ X1))),
% 1.33/1.35      inference('cnf', [status(esa)], [zf_stmt_85])).
% 1.33/1.35  thf('111', plain,
% 1.33/1.35      ((![X0 : $i]: (~ (c0_1 @ X0) | ~ (c2_1 @ X0) |  (c3_1 @ X0))) | 
% 1.33/1.35       (![X0 : $i]: (~ (c1_1 @ X0) | ~ (c0_1 @ X0) | ~ (c3_1 @ X0))) | 
% 1.33/1.35       ~ ( (ndr1_0)) | ( (hskp10))),
% 1.33/1.35      inference('split', [status(esa)], [zip_derived_cl186])).
% 1.33/1.35  thf(zip_derived_cl648, plain,
% 1.33/1.35      ((![X0 : $i]: (~ (c1_1 @ X0) |  (c0_1 @ X0) |  (c3_1 @ X0)))
% 1.33/1.35         <= ((![X0 : $i]: (~ (c1_1 @ X0) |  (c0_1 @ X0) |  (c3_1 @ X0))))),
% 1.33/1.35      inference('split', [status(esa)], [zip_derived_cl176])).
% 1.33/1.35  thf(zip_derived_cl394, plain, ((~ (c3_1 @ a2003)) <= (~ ( (c3_1 @ a2003)))),
% 1.33/1.35      inference('split', [status(esa)], [zip_derived_cl95])).
% 1.33/1.35  thf(zip_derived_cl2062, plain,
% 1.33/1.35      ((( (c0_1 @ a2003) | ~ (c1_1 @ a2003)))
% 1.33/1.35         <= (~ ( (c3_1 @ a2003)) & 
% 1.33/1.35             (![X0 : $i]: (~ (c1_1 @ X0) |  (c0_1 @ X0) |  (c3_1 @ X0))))),
% 1.33/1.35      inference('s_sup-', [status(thm)], [zip_derived_cl648, zip_derived_cl394])).
% 1.33/1.35  thf('112', plain,
% 1.33/1.35      (( (c0_1 @ a2003)) | ( (c3_1 @ a2003)) | 
% 1.33/1.35       ~ (![X0 : $i]: (~ (c1_1 @ X0) |  (c0_1 @ X0) |  (c3_1 @ X0))) | 
% 1.33/1.35       ~ ( (c1_1 @ a2003))),
% 1.33/1.35      inference('split', [status(esa)], [zip_derived_cl2062])).
% 1.33/1.35  thf('113', plain,
% 1.33/1.35      (( (hskp10)) | 
% 1.33/1.35       (![X0 : $i]: ( (c1_1 @ X0) | ~ (c2_1 @ X0) | ~ (c3_1 @ X0))) | 
% 1.33/1.35       ~ ( (ndr1_0))),
% 1.33/1.35      inference('split', [status(esa)], [zip_derived_cl139])).
% 1.33/1.35  thf(zip_derived_cl517, plain,
% 1.33/1.35      ((![X0 : $i]: ( (c0_1 @ X0) | ~ (c2_1 @ X0) | ~ (c3_1 @ X0)))
% 1.33/1.35         <= ((![X0 : $i]: ( (c0_1 @ X0) | ~ (c2_1 @ X0) | ~ (c3_1 @ X0))))),
% 1.33/1.35      inference('split', [status(esa)], [zip_derived_cl143])).
% 1.33/1.35  thf(zip_derived_cl298, plain, (( (c3_1 @ a1970)) <= (( (c3_1 @ a1970)))),
% 1.33/1.35      inference('split', [status(esa)], [zip_derived_cl47])).
% 1.33/1.35  thf(zip_derived_cl1061, plain,
% 1.33/1.35      (((~ (c2_1 @ a1970) |  (c0_1 @ a1970)))
% 1.33/1.35         <= (( (c3_1 @ a1970)) & 
% 1.33/1.35             (![X0 : $i]: ( (c0_1 @ X0) | ~ (c2_1 @ X0) | ~ (c3_1 @ X0))))),
% 1.33/1.35      inference('s_sup+', [status(thm)], [zip_derived_cl517, zip_derived_cl298])).
% 1.33/1.35  thf('114', plain,
% 1.33/1.35      (( (c0_1 @ a1970)) | ~ ( (c3_1 @ a1970)) | 
% 1.33/1.35       ~ (![X0 : $i]: ( (c0_1 @ X0) | ~ (c2_1 @ X0) | ~ (c3_1 @ X0))) | 
% 1.33/1.35       ~ ( (c2_1 @ a1970))),
% 1.33/1.35      inference('split', [status(esa)], [zip_derived_cl1061])).
% 1.33/1.35  thf(clause184, conjecture,
% 1.33/1.35    (~( ( hskp16 ) | ( c0_1 @ V ) | ( ~( c3_1 @ V ) ) | ( ~( c1_1 @ V ) ) | 
% 1.33/1.35        ( ~( ndr1_0 ) ) | ( ~( c3_1 @ U ) ) | ( ~( c1_1 @ U ) ) | 
% 1.33/1.35        ( ~( c0_1 @ U ) ) ))).
% 1.33/1.35  thf(zf_stmt_86, negated_conjecture,
% 1.33/1.35    (( hskp16 ) | ( c0_1 @ V ) | ( ~( c3_1 @ V ) ) | ( ~( c1_1 @ V ) ) | 
% 1.33/1.35     ( ~( ndr1_0 ) ) | ( ~( c3_1 @ U ) ) | ( ~( c1_1 @ U ) ) | 
% 1.33/1.35     ( ~( c0_1 @ U ) )),
% 1.33/1.35    inference('cnf.neg', [status(esa)], [clause184])).
% 1.33/1.35  thf(zip_derived_cl183, plain,
% 1.33/1.35      (![X0 : $i, X1 : $i]:
% 1.33/1.35         ( (hskp16)
% 1.33/1.35          |  (c0_1 @ X0)
% 1.33/1.35          | ~ (c3_1 @ X0)
% 1.33/1.35          | ~ (c1_1 @ X0)
% 1.33/1.35          | ~ (ndr1_0)
% 1.33/1.35          | ~ (c3_1 @ X1)
% 1.33/1.35          | ~ (c1_1 @ X1)
% 1.33/1.35          | ~ (c0_1 @ X1))),
% 1.33/1.35      inference('cnf', [status(esa)], [zf_stmt_86])).
% 1.33/1.35  thf('115', plain,
% 1.33/1.35      (( (hskp16)) | 
% 1.33/1.35       (![X0 : $i]: (~ (c1_1 @ X0) | ~ (c0_1 @ X0) | ~ (c3_1 @ X0))) | 
% 1.33/1.35       ~ ( (ndr1_0)) | 
% 1.33/1.35       (![X0 : $i]: (~ (c1_1 @ X0) |  (c0_1 @ X0) | ~ (c3_1 @ X0)))),
% 1.33/1.35      inference('split', [status(esa)], [zip_derived_cl183])).
% 1.33/1.35  thf(clause46, conjecture, (~( ( c1_1 @ a1970 ) | ( ~( hskp27 ) ) ))).
% 1.33/1.35  thf(zf_stmt_87, negated_conjecture, (( c1_1 @ a1970 ) | ( ~( hskp27 ) )),
% 1.33/1.35    inference('cnf.neg', [status(esa)], [clause46])).
% 1.33/1.35  thf(zip_derived_cl45, plain, (( (c1_1 @ a1970) | ~ (hskp27))),
% 1.33/1.35      inference('cnf', [status(esa)], [zf_stmt_87])).
% 1.33/1.35  thf('116', plain, (( (c1_1 @ a1970)) | ~ ( (hskp27))),
% 1.33/1.35      inference('split', [status(esa)], [zip_derived_cl45])).
% 1.33/1.35  thf(clause47, conjecture, (~( ( c2_1 @ a1970 ) | ( ~( hskp27 ) ) ))).
% 1.33/1.35  thf(zf_stmt_88, negated_conjecture, (( c2_1 @ a1970 ) | ( ~( hskp27 ) )),
% 1.33/1.35    inference('cnf.neg', [status(esa)], [clause47])).
% 1.33/1.35  thf(zip_derived_cl46, plain, (( (c2_1 @ a1970) | ~ (hskp27))),
% 1.33/1.35      inference('cnf', [status(esa)], [zf_stmt_88])).
% 1.33/1.35  thf('117', plain, (( (c2_1 @ a1970)) | ~ ( (hskp27))),
% 1.33/1.35      inference('split', [status(esa)], [zip_derived_cl46])).
% 1.33/1.35  thf('118', plain, (( (c3_1 @ a1970)) | ~ ( (hskp27))),
% 1.33/1.35      inference('split', [status(esa)], [zip_derived_cl47])).
% 1.33/1.35  thf('119', plain,
% 1.33/1.35      ((![X0 : $i]: ( (c1_1 @ X0) |  (c0_1 @ X0) | ~ (c2_1 @ X0))) | 
% 1.33/1.35       ( (hskp27)) | ( (hskp4)) | ~ ( (ndr1_0))),
% 1.33/1.35      inference('split', [status(esa)], [zip_derived_cl129])).
% 1.33/1.35  thf(clause35, conjecture, (~( ( hskp15 ) | ( hskp19 ) | ( hskp16 ) ))).
% 1.33/1.35  thf(zf_stmt_89, negated_conjecture, (( hskp15 ) | ( hskp19 ) | ( hskp16 )),
% 1.33/1.35    inference('cnf.neg', [status(esa)], [clause35])).
% 1.33/1.35  thf(zip_derived_cl34, plain, (( (hskp15) |  (hskp19) |  (hskp16))),
% 1.33/1.35      inference('cnf', [status(esa)], [zf_stmt_89])).
% 1.33/1.35  thf('120', plain, (( (hskp16)) | ( (hskp15)) | ( (hskp19))),
% 1.33/1.35      inference('split', [status(esa)], [zip_derived_cl34])).
% 1.33/1.35  thf(clause77, conjecture, (~( ( c0_1 @ a1975 ) | ( ~( hskp4 ) ) ))).
% 1.33/1.35  thf(zf_stmt_90, negated_conjecture, (( c0_1 @ a1975 ) | ( ~( hskp4 ) )),
% 1.33/1.35    inference('cnf.neg', [status(esa)], [clause77])).
% 1.33/1.35  thf(zip_derived_cl76, plain, (( (c0_1 @ a1975) | ~ (hskp4))),
% 1.33/1.35      inference('cnf', [status(esa)], [zf_stmt_90])).
% 1.33/1.35  thf('121', plain, (( (c0_1 @ a1975)) | ~ ( (hskp4))),
% 1.33/1.35      inference('split', [status(esa)], [zip_derived_cl76])).
% 1.33/1.35  thf(clause122, conjecture, (~( ( ~( hskp4 ) ) | ( ~( c1_1 @ a1975 ) ) ))).
% 1.33/1.35  thf(zf_stmt_91, negated_conjecture, (( ~( hskp4 ) ) | ( ~( c1_1 @ a1975 ) )),
% 1.33/1.35    inference('cnf.neg', [status(esa)], [clause122])).
% 1.33/1.35  thf(zip_derived_cl121, plain, ((~ (hskp4) | ~ (c1_1 @ a1975))),
% 1.33/1.35      inference('cnf', [status(esa)], [zf_stmt_91])).
% 1.33/1.35  thf('122', plain, (~ ( (c1_1 @ a1975)) | ~ ( (hskp4))),
% 1.33/1.35      inference('split', [status(esa)], [zip_derived_cl121])).
% 1.33/1.35  thf(clause123, conjecture, (~( ( ~( hskp4 ) ) | ( ~( c2_1 @ a1975 ) ) ))).
% 1.33/1.35  thf(zf_stmt_92, negated_conjecture, (( ~( hskp4 ) ) | ( ~( c2_1 @ a1975 ) )),
% 1.33/1.35    inference('cnf.neg', [status(esa)], [clause123])).
% 1.33/1.35  thf(zip_derived_cl122, plain, ((~ (hskp4) | ~ (c2_1 @ a1975))),
% 1.33/1.35      inference('cnf', [status(esa)], [zf_stmt_92])).
% 1.33/1.35  thf('123', plain, (~ ( (c2_1 @ a1975)) | ~ ( (hskp4))),
% 1.33/1.35      inference('split', [status(esa)], [zip_derived_cl122])).
% 1.33/1.35  thf(zip_derived_cl478, plain,
% 1.33/1.35      ((![X0 : $i]: ( (c1_1 @ X0) | ~ (c0_1 @ X0) |  (c2_1 @ X0)))
% 1.33/1.35         <= ((![X0 : $i]: ( (c1_1 @ X0) | ~ (c0_1 @ X0) |  (c2_1 @ X0))))),
% 1.33/1.35      inference('split', [status(esa)], [zip_derived_cl133])).
% 1.33/1.35  thf(zip_derived_cl356, plain, (( (c0_1 @ a1975)) <= (( (c0_1 @ a1975)))),
% 1.33/1.35      inference('split', [status(esa)], [zip_derived_cl76])).
% 1.33/1.35  thf(zip_derived_cl1354, plain,
% 1.33/1.35      ((( (c2_1 @ a1975) |  (c1_1 @ a1975)))
% 1.33/1.35         <= (( (c0_1 @ a1975)) & 
% 1.33/1.35             (![X0 : $i]: ( (c1_1 @ X0) | ~ (c0_1 @ X0) |  (c2_1 @ X0))))),
% 1.33/1.35      inference('s_sup+', [status(thm)], [zip_derived_cl478, zip_derived_cl356])).
% 1.33/1.35  thf('124', plain,
% 1.33/1.35      (~ ( (c0_1 @ a1975)) | ( (c1_1 @ a1975)) | 
% 1.33/1.35       ~ (![X0 : $i]: ( (c1_1 @ X0) | ~ (c0_1 @ X0) |  (c2_1 @ X0))) | 
% 1.33/1.35       ( (c2_1 @ a1975))),
% 1.33/1.35      inference('split', [status(esa)], [zip_derived_cl1354])).
% 1.33/1.35  thf(zip_derived_cl533, plain,
% 1.33/1.35      ((![X0 : $i]: (~ (c1_1 @ X0) | ~ (c0_1 @ X0) |  (c2_1 @ X0)))
% 1.33/1.35         <= ((![X0 : $i]: (~ (c1_1 @ X0) | ~ (c0_1 @ X0) |  (c2_1 @ X0))))),
% 1.33/1.35      inference('split', [status(esa)], [zip_derived_cl147])).
% 1.33/1.35  thf(clause61, conjecture, (~( ( c0_1 @ a1996 ) | ( ~( hskp16 ) ) ))).
% 1.33/1.35  thf(zf_stmt_93, negated_conjecture, (( c0_1 @ a1996 ) | ( ~( hskp16 ) )),
% 1.33/1.35    inference('cnf.neg', [status(esa)], [clause61])).
% 1.33/1.35  thf(zip_derived_cl60, plain, (( (c0_1 @ a1996) | ~ (hskp16))),
% 1.33/1.35      inference('cnf', [status(esa)], [zf_stmt_93])).
% 1.33/1.35  thf(zip_derived_cl324, plain, (( (c0_1 @ a1996)) <= (( (c0_1 @ a1996)))),
% 1.33/1.35      inference('split', [status(esa)], [zip_derived_cl60])).
% 1.33/1.35  thf(zip_derived_cl1176, plain,
% 1.33/1.35      ((( (c2_1 @ a1996) | ~ (c1_1 @ a1996)))
% 1.33/1.35         <= (( (c0_1 @ a1996)) & 
% 1.33/1.35             (![X0 : $i]: (~ (c1_1 @ X0) | ~ (c0_1 @ X0) |  (c2_1 @ X0))))),
% 1.33/1.35      inference('s_sup+', [status(thm)], [zip_derived_cl533, zip_derived_cl324])).
% 1.33/1.35  thf('125', plain,
% 1.33/1.35      (~ (![X0 : $i]: (~ (c1_1 @ X0) | ~ (c0_1 @ X0) |  (c2_1 @ X0))) | 
% 1.33/1.35       ~ ( (c1_1 @ a1996)) | ( (c2_1 @ a1996)) | ~ ( (c0_1 @ a1996))),
% 1.33/1.35      inference('split', [status(esa)], [zip_derived_cl1176])).
% 1.33/1.35  thf('126', plain, (( (c0_1 @ a1996)) | ~ ( (hskp16))),
% 1.33/1.35      inference('split', [status(esa)], [zip_derived_cl60])).
% 1.33/1.35  thf(clause102, conjecture, (~( ( ~( hskp16 ) ) | ( ~( c2_1 @ a1996 ) ) ))).
% 1.33/1.35  thf(zf_stmt_94, negated_conjecture,
% 1.33/1.35    (( ~( hskp16 ) ) | ( ~( c2_1 @ a1996 ) )),
% 1.33/1.35    inference('cnf.neg', [status(esa)], [clause102])).
% 1.33/1.35  thf(zip_derived_cl101, plain, ((~ (hskp16) | ~ (c2_1 @ a1996))),
% 1.33/1.35      inference('cnf', [status(esa)], [zf_stmt_94])).
% 1.33/1.35  thf('127', plain, (~ ( (c2_1 @ a1996)) | ~ ( (hskp16))),
% 1.33/1.35      inference('split', [status(esa)], [zip_derived_cl101])).
% 1.33/1.35  thf(zip_derived_cl478, plain,
% 1.33/1.35      ((![X0 : $i]: ( (c1_1 @ X0) | ~ (c0_1 @ X0) |  (c2_1 @ X0)))
% 1.33/1.35         <= ((![X0 : $i]: ( (c1_1 @ X0) | ~ (c0_1 @ X0) |  (c2_1 @ X0))))),
% 1.33/1.35      inference('split', [status(esa)], [zip_derived_cl133])).
% 1.33/1.35  thf(zip_derived_cl324, plain, (( (c0_1 @ a1996)) <= (( (c0_1 @ a1996)))),
% 1.33/1.35      inference('split', [status(esa)], [zip_derived_cl60])).
% 1.33/1.35  thf(zip_derived_cl1351, plain,
% 1.33/1.35      ((( (c2_1 @ a1996) |  (c1_1 @ a1996)))
% 1.33/1.35         <= (( (c0_1 @ a1996)) & 
% 1.33/1.35             (![X0 : $i]: ( (c1_1 @ X0) | ~ (c0_1 @ X0) |  (c2_1 @ X0))))),
% 1.33/1.35      inference('s_sup+', [status(thm)], [zip_derived_cl478, zip_derived_cl324])).
% 1.33/1.35  thf('128', plain,
% 1.33/1.35      (( (c1_1 @ a1996)) | ~ ( (c0_1 @ a1996)) | 
% 1.33/1.35       ~ (![X0 : $i]: ( (c1_1 @ X0) | ~ (c0_1 @ X0) |  (c2_1 @ X0))) | 
% 1.33/1.35       ( (c2_1 @ a1996))),
% 1.33/1.35      inference('split', [status(esa)], [zip_derived_cl1351])).
% 1.33/1.35  thf(clause196, conjecture,
% 1.33/1.35    (~( ( c2_1 @ W ) | ( c1_1 @ W ) | ( c1_1 @ V ) | ( c1_1 @ U ) | 
% 1.33/1.35        ( ~( c0_1 @ W ) ) | ( ~( c2_1 @ V ) ) | ( ~( c0_1 @ V ) ) | 
% 1.33/1.35        ( ~( ndr1_0 ) ) | ( ~( c3_1 @ U ) ) | ( ~( c2_1 @ U ) ) ))).
% 1.33/1.35  thf(zf_stmt_95, negated_conjecture,
% 1.33/1.35    (( c2_1 @ W ) | ( c1_1 @ W ) | ( c1_1 @ V ) | ( c1_1 @ U ) | 
% 1.33/1.35     ( ~( c0_1 @ W ) ) | ( ~( c2_1 @ V ) ) | ( ~( c0_1 @ V ) ) | 
% 1.33/1.35     ( ~( ndr1_0 ) ) | ( ~( c3_1 @ U ) ) | ( ~( c2_1 @ U ) )),
% 1.33/1.35    inference('cnf.neg', [status(esa)], [clause196])).
% 1.33/1.35  thf(zip_derived_cl195, plain,
% 1.33/1.35      (![X0 : $i, X1 : $i, X2 : $i]:
% 1.33/1.35         ( (c2_1 @ X0)
% 1.33/1.35          |  (c1_1 @ X0)
% 1.33/1.35          |  (c1_1 @ X1)
% 1.33/1.35          |  (c1_1 @ X2)
% 1.33/1.35          | ~ (c0_1 @ X0)
% 1.33/1.35          | ~ (c2_1 @ X1)
% 1.33/1.35          | ~ (c0_1 @ X1)
% 1.33/1.35          | ~ (ndr1_0)
% 1.33/1.35          | ~ (c3_1 @ X2)
% 1.33/1.35          | ~ (c2_1 @ X2))),
% 1.33/1.35      inference('cnf', [status(esa)], [zf_stmt_95])).
% 1.33/1.35  thf('129', plain,
% 1.33/1.35      ((![X0 : $i]: ( (c1_1 @ X0) | ~ (c0_1 @ X0) |  (c2_1 @ X0))) | 
% 1.33/1.35       (![X0 : $i]: ( (c1_1 @ X0) | ~ (c0_1 @ X0) | ~ (c2_1 @ X0))) | 
% 1.33/1.35       ~ ( (ndr1_0)) | 
% 1.33/1.35       (![X0 : $i]: ( (c1_1 @ X0) | ~ (c2_1 @ X0) | ~ (c3_1 @ X0)))),
% 1.33/1.35      inference('split', [status(esa)], [zip_derived_cl195])).
% 1.33/1.35  thf(clause57, conjecture, (~( ( c2_1 @ a2001 ) | ( ~( hskp19 ) ) ))).
% 1.33/1.35  thf(zf_stmt_96, negated_conjecture, (( c2_1 @ a2001 ) | ( ~( hskp19 ) )),
% 1.33/1.35    inference('cnf.neg', [status(esa)], [clause57])).
% 1.33/1.35  thf(zip_derived_cl56, plain, (( (c2_1 @ a2001) | ~ (hskp19))),
% 1.33/1.35      inference('cnf', [status(esa)], [zf_stmt_96])).
% 1.33/1.35  thf('130', plain, (( (c2_1 @ a2001)) | ~ ( (hskp19))),
% 1.33/1.35      inference('split', [status(esa)], [zip_derived_cl56])).
% 1.33/1.35  thf(clause58, conjecture, (~( ( c3_1 @ a2001 ) | ( ~( hskp19 ) ) ))).
% 1.33/1.35  thf(zf_stmt_97, negated_conjecture, (( c3_1 @ a2001 ) | ( ~( hskp19 ) )),
% 1.33/1.35    inference('cnf.neg', [status(esa)], [clause58])).
% 1.33/1.35  thf(zip_derived_cl57, plain, (( (c3_1 @ a2001) | ~ (hskp19))),
% 1.33/1.35      inference('cnf', [status(esa)], [zf_stmt_97])).
% 1.33/1.35  thf('131', plain, (( (c3_1 @ a2001)) | ~ ( (hskp19))),
% 1.33/1.35      inference('split', [status(esa)], [zip_derived_cl57])).
% 1.33/1.35  thf(clause97, conjecture, (~( ( ~( hskp19 ) ) | ( ~( c0_1 @ a2001 ) ) ))).
% 1.33/1.35  thf(zf_stmt_98, negated_conjecture,
% 1.33/1.35    (( ~( hskp19 ) ) | ( ~( c0_1 @ a2001 ) )),
% 1.33/1.35    inference('cnf.neg', [status(esa)], [clause97])).
% 1.33/1.35  thf(zip_derived_cl96, plain, ((~ (hskp19) | ~ (c0_1 @ a2001))),
% 1.33/1.35      inference('cnf', [status(esa)], [zf_stmt_98])).
% 1.33/1.35  thf('132', plain, (~ ( (c0_1 @ a2001)) | ~ ( (hskp19))),
% 1.33/1.35      inference('split', [status(esa)], [zip_derived_cl96])).
% 1.33/1.35  thf(zip_derived_cl517, plain,
% 1.33/1.35      ((![X0 : $i]: ( (c0_1 @ X0) | ~ (c2_1 @ X0) | ~ (c3_1 @ X0)))
% 1.33/1.35         <= ((![X0 : $i]: ( (c0_1 @ X0) | ~ (c2_1 @ X0) | ~ (c3_1 @ X0))))),
% 1.33/1.35      inference('split', [status(esa)], [zip_derived_cl143])).
% 1.33/1.35  thf(zip_derived_cl318, plain, (( (c3_1 @ a2001)) <= (( (c3_1 @ a2001)))),
% 1.33/1.35      inference('split', [status(esa)], [zip_derived_cl57])).
% 1.33/1.35  thf(zip_derived_cl1063, plain,
% 1.33/1.35      (((~ (c2_1 @ a2001) |  (c0_1 @ a2001)))
% 1.33/1.35         <= (( (c3_1 @ a2001)) & 
% 1.33/1.35             (![X0 : $i]: ( (c0_1 @ X0) | ~ (c2_1 @ X0) | ~ (c3_1 @ X0))))),
% 1.33/1.35      inference('s_sup+', [status(thm)], [zip_derived_cl517, zip_derived_cl318])).
% 1.33/1.35  thf('133', plain,
% 1.33/1.35      (( (c0_1 @ a2001)) | ~ ( (c3_1 @ a2001)) | 
% 1.33/1.35       ~ (![X0 : $i]: ( (c0_1 @ X0) | ~ (c2_1 @ X0) | ~ (c3_1 @ X0))) | 
% 1.33/1.35       ~ ( (c2_1 @ a2001))),
% 1.33/1.35      inference('split', [status(esa)], [zip_derived_cl1063])).
% 1.33/1.35  thf(clause63, conjecture, (~( ( c2_1 @ a1993 ) | ( ~( hskp15 ) ) ))).
% 1.33/1.35  thf(zf_stmt_99, negated_conjecture, (( c2_1 @ a1993 ) | ( ~( hskp15 ) )),
% 1.33/1.35    inference('cnf.neg', [status(esa)], [clause63])).
% 1.33/1.35  thf(zip_derived_cl62, plain, (( (c2_1 @ a1993) | ~ (hskp15))),
% 1.33/1.35      inference('cnf', [status(esa)], [zf_stmt_99])).
% 1.33/1.35  thf('134', plain, (( (c2_1 @ a1993)) | ~ ( (hskp15))),
% 1.33/1.35      inference('split', [status(esa)], [zip_derived_cl62])).
% 1.33/1.35  thf(clause103, conjecture, (~( ( ~( hskp15 ) ) | ( ~( c0_1 @ a1993 ) ) ))).
% 1.33/1.35  thf(zf_stmt_100, negated_conjecture,
% 1.33/1.35    (( ~( hskp15 ) ) | ( ~( c0_1 @ a1993 ) )),
% 1.33/1.35    inference('cnf.neg', [status(esa)], [clause103])).
% 1.33/1.35  thf(zip_derived_cl102, plain, ((~ (hskp15) | ~ (c0_1 @ a1993))),
% 1.33/1.35      inference('cnf', [status(esa)], [zf_stmt_100])).
% 1.33/1.35  thf('135', plain, (~ ( (c0_1 @ a1993)) | ~ ( (hskp15))),
% 1.33/1.35      inference('split', [status(esa)], [zip_derived_cl102])).
% 1.33/1.35  thf(clause104, conjecture, (~( ( ~( hskp15 ) ) | ( ~( c1_1 @ a1993 ) ) ))).
% 1.33/1.35  thf(zf_stmt_101, negated_conjecture,
% 1.33/1.35    (( ~( hskp15 ) ) | ( ~( c1_1 @ a1993 ) )),
% 1.33/1.35    inference('cnf.neg', [status(esa)], [clause104])).
% 1.33/1.35  thf(zip_derived_cl103, plain, ((~ (hskp15) | ~ (c1_1 @ a1993))),
% 1.33/1.35      inference('cnf', [status(esa)], [zf_stmt_101])).
% 1.33/1.35  thf('136', plain, (~ ( (c1_1 @ a1993)) | ~ ( (hskp15))),
% 1.33/1.35      inference('split', [status(esa)], [zip_derived_cl103])).
% 1.33/1.35  thf(zip_derived_cl462, plain,
% 1.33/1.35      ((![X0 : $i]: ( (c1_1 @ X0) |  (c0_1 @ X0) | ~ (c2_1 @ X0)))
% 1.33/1.35         <= ((![X0 : $i]: ( (c1_1 @ X0) |  (c0_1 @ X0) | ~ (c2_1 @ X0))))),
% 1.33/1.35      inference('split', [status(esa)], [zip_derived_cl129])).
% 1.33/1.35  thf(zip_derived_cl408, plain, ((~ (c0_1 @ a1993)) <= (~ ( (c0_1 @ a1993)))),
% 1.33/1.35      inference('split', [status(esa)], [zip_derived_cl102])).
% 1.33/1.35  thf(zip_derived_cl987, plain,
% 1.33/1.35      (((~ (c2_1 @ a1993) |  (c1_1 @ a1993)))
% 1.33/1.35         <= (~ ( (c0_1 @ a1993)) & 
% 1.33/1.35             (![X0 : $i]: ( (c1_1 @ X0) |  (c0_1 @ X0) | ~ (c2_1 @ X0))))),
% 1.33/1.35      inference('s_sup-', [status(thm)], [zip_derived_cl462, zip_derived_cl408])).
% 1.33/1.35  thf('137', plain,
% 1.33/1.35      (( (c0_1 @ a1993)) | ( (c1_1 @ a1993)) | 
% 1.33/1.35       ~ (![X0 : $i]: ( (c1_1 @ X0) |  (c0_1 @ X0) | ~ (c2_1 @ X0))) | 
% 1.33/1.35       ~ ( (c2_1 @ a1993))),
% 1.33/1.35      inference('split', [status(esa)], [zip_derived_cl987])).
% 1.33/1.35  thf(clause197, conjecture,
% 1.33/1.35    (~( ( c2_1 @ W ) | ( c1_1 @ W ) | ( c1_1 @ V ) | ( c2_1 @ U ) | 
% 1.33/1.35        ( ~( c0_1 @ W ) ) | ( ~( c3_1 @ V ) ) | ( ~( c2_1 @ V ) ) | 
% 1.33/1.35        ( ~( ndr1_0 ) ) | ( ~( c3_1 @ U ) ) | ( ~( c1_1 @ U ) ) ))).
% 1.33/1.35  thf(zf_stmt_102, negated_conjecture,
% 1.33/1.35    (( c2_1 @ W ) | ( c1_1 @ W ) | ( c1_1 @ V ) | ( c2_1 @ U ) | 
% 1.33/1.35     ( ~( c0_1 @ W ) ) | ( ~( c3_1 @ V ) ) | ( ~( c2_1 @ V ) ) | 
% 1.33/1.35     ( ~( ndr1_0 ) ) | ( ~( c3_1 @ U ) ) | ( ~( c1_1 @ U ) )),
% 1.33/1.35    inference('cnf.neg', [status(esa)], [clause197])).
% 1.33/1.35  thf(zip_derived_cl196, plain,
% 1.33/1.35      (![X0 : $i, X1 : $i, X2 : $i]:
% 1.33/1.35         ( (c2_1 @ X0)
% 1.33/1.35          |  (c1_1 @ X0)
% 1.33/1.35          |  (c1_1 @ X1)
% 1.33/1.35          |  (c2_1 @ X2)
% 1.33/1.35          | ~ (c0_1 @ X0)
% 1.33/1.35          | ~ (c3_1 @ X1)
% 1.33/1.35          | ~ (c2_1 @ X1)
% 1.33/1.35          | ~ (ndr1_0)
% 1.33/1.35          | ~ (c3_1 @ X2)
% 1.33/1.35          | ~ (c1_1 @ X2))),
% 1.33/1.35      inference('cnf', [status(esa)], [zf_stmt_102])).
% 1.33/1.35  thf('138', plain,
% 1.33/1.35      ((![X0 : $i]: ( (c1_1 @ X0) | ~ (c0_1 @ X0) |  (c2_1 @ X0))) | 
% 1.33/1.35       (![X0 : $i]: ( (c1_1 @ X0) | ~ (c2_1 @ X0) | ~ (c3_1 @ X0))) | 
% 1.33/1.35       ~ ( (ndr1_0)) | 
% 1.33/1.35       (![X0 : $i]: (~ (c1_1 @ X0) |  (c2_1 @ X0) | ~ (c3_1 @ X0)))),
% 1.33/1.35      inference('split', [status(esa)], [zip_derived_cl196])).
% 1.33/1.35  thf(zip_derived_cl502, plain,
% 1.33/1.35      ((![X0 : $i]: ( (c1_1 @ X0) | ~ (c2_1 @ X0) | ~ (c3_1 @ X0)))
% 1.33/1.35         <= ((![X0 : $i]: ( (c1_1 @ X0) | ~ (c2_1 @ X0) | ~ (c3_1 @ X0))))),
% 1.33/1.35      inference('split', [status(esa)], [zip_derived_cl139])).
% 1.33/1.35  thf(zip_derived_cl342, plain, (( (c3_1 @ a1987)) <= (( (c3_1 @ a1987)))),
% 1.33/1.35      inference('split', [status(esa)], [zip_derived_cl69])).
% 1.33/1.35  thf(zip_derived_cl1019, plain,
% 1.33/1.35      (((~ (c2_1 @ a1987) |  (c1_1 @ a1987)))
% 1.33/1.35         <= (( (c3_1 @ a1987)) & 
% 1.33/1.35             (![X0 : $i]: ( (c1_1 @ X0) | ~ (c2_1 @ X0) | ~ (c3_1 @ X0))))),
% 1.33/1.35      inference('s_sup+', [status(thm)], [zip_derived_cl502, zip_derived_cl342])).
% 1.33/1.35  thf('139', plain,
% 1.33/1.35      (~ (![X0 : $i]: ( (c1_1 @ X0) | ~ (c2_1 @ X0) | ~ (c3_1 @ X0))) | 
% 1.33/1.35       ~ ( (c3_1 @ a1987)) | ( (c1_1 @ a1987)) | ~ ( (c2_1 @ a1987))),
% 1.33/1.35      inference('split', [status(esa)], [zip_derived_cl1019])).
% 1.33/1.35  thf(zip_derived_cl298, plain, (( (c3_1 @ a1970)) <= (( (c3_1 @ a1970)))),
% 1.33/1.35      inference('split', [status(esa)], [zip_derived_cl47])).
% 1.33/1.35  thf(zip_derived_cl572, plain,
% 1.33/1.35      ((![X0 : $i]: (~ (c1_1 @ X0) | ~ (c0_1 @ X0) | ~ (c3_1 @ X0)))
% 1.33/1.35         <= ((![X0 : $i]: (~ (c1_1 @ X0) | ~ (c0_1 @ X0) | ~ (c3_1 @ X0))))),
% 1.33/1.35      inference('split', [status(esa)], [zip_derived_cl157])).
% 1.33/1.35  thf(zip_derived_cl824, plain,
% 1.33/1.35      (((~ (c1_1 @ a1970) | ~ (c0_1 @ a1970)))
% 1.33/1.35         <= (( (c3_1 @ a1970)) & 
% 1.33/1.35             (![X0 : $i]: (~ (c1_1 @ X0) | ~ (c0_1 @ X0) | ~ (c3_1 @ X0))))),
% 1.33/1.35      inference('s_sup-', [status(thm)], [zip_derived_cl298, zip_derived_cl572])).
% 1.33/1.35  thf('140', plain,
% 1.33/1.35      (~ ( (c0_1 @ a1970)) | ~ ( (c1_1 @ a1970)) | 
% 1.33/1.35       ~ (![X0 : $i]: (~ (c1_1 @ X0) | ~ (c0_1 @ X0) | ~ (c3_1 @ X0))) | 
% 1.33/1.35       ~ ( (c3_1 @ a1970))),
% 1.33/1.35      inference('split', [status(esa)], [zip_derived_cl824])).
% 1.33/1.35  thf(clause193, conjecture,
% 1.33/1.35    (~( ( c2_1 @ W ) | ( c0_1 @ W ) | ( c3_1 @ V ) | ( c0_1 @ V ) | 
% 1.33/1.35        ( c2_1 @ U ) | ( ~( c3_1 @ W ) ) | ( ~( c1_1 @ V ) ) | 
% 1.33/1.35        ( ~( ndr1_0 ) ) | ( ~( c3_1 @ U ) ) | ( ~( c1_1 @ U ) ) ))).
% 1.33/1.35  thf(zf_stmt_103, negated_conjecture,
% 1.33/1.35    (( c2_1 @ W ) | ( c0_1 @ W ) | ( c3_1 @ V ) | ( c0_1 @ V ) | 
% 1.33/1.35     ( c2_1 @ U ) | ( ~( c3_1 @ W ) ) | ( ~( c1_1 @ V ) ) | ( ~( ndr1_0 ) ) | 
% 1.33/1.35     ( ~( c3_1 @ U ) ) | ( ~( c1_1 @ U ) )),
% 1.33/1.35    inference('cnf.neg', [status(esa)], [clause193])).
% 1.33/1.35  thf(zip_derived_cl192, plain,
% 1.33/1.35      (![X0 : $i, X1 : $i, X2 : $i]:
% 1.33/1.35         ( (c2_1 @ X0)
% 1.33/1.35          |  (c0_1 @ X0)
% 1.33/1.35          |  (c3_1 @ X1)
% 1.33/1.35          |  (c0_1 @ X1)
% 1.33/1.35          |  (c2_1 @ X2)
% 1.33/1.35          | ~ (c3_1 @ X0)
% 1.33/1.35          | ~ (c1_1 @ X1)
% 1.33/1.35          | ~ (ndr1_0)
% 1.33/1.35          | ~ (c3_1 @ X2)
% 1.33/1.35          | ~ (c1_1 @ X2))),
% 1.33/1.35      inference('cnf', [status(esa)], [zf_stmt_103])).
% 1.33/1.35  thf('141', plain,
% 1.33/1.35      ((![X0 : $i]: (~ (c1_1 @ X0) |  (c0_1 @ X0) |  (c3_1 @ X0))) | 
% 1.33/1.35       (![X0 : $i]: ( (c0_1 @ X0) |  (c2_1 @ X0) | ~ (c3_1 @ X0))) | 
% 1.33/1.35       ~ ( (ndr1_0)) | 
% 1.33/1.35       (![X0 : $i]: (~ (c1_1 @ X0) |  (c2_1 @ X0) | ~ (c3_1 @ X0)))),
% 1.33/1.35      inference('split', [status(esa)], [zip_derived_cl192])).
% 1.33/1.35  thf(zip_derived_cl541, plain,
% 1.33/1.35      ((![X0 : $i]: (~ (c1_1 @ X0) |  (c2_1 @ X0) | ~ (c3_1 @ X0)))
% 1.33/1.35         <= ((![X0 : $i]: (~ (c1_1 @ X0) |  (c2_1 @ X0) | ~ (c3_1 @ X0))))),
% 1.33/1.35      inference('split', [status(esa)], [zip_derived_cl149])).
% 1.33/1.35  thf(clause60, conjecture, (~( ( c3_1 @ a1998 ) | ( ~( hskp17 ) ) ))).
% 1.33/1.35  thf(zf_stmt_104, negated_conjecture, (( c3_1 @ a1998 ) | ( ~( hskp17 ) )),
% 1.33/1.35    inference('cnf.neg', [status(esa)], [clause60])).
% 1.33/1.35  thf(zip_derived_cl59, plain, (( (c3_1 @ a1998) | ~ (hskp17))),
% 1.33/1.35      inference('cnf', [status(esa)], [zf_stmt_104])).
% 1.33/1.35  thf(zip_derived_cl322, plain, (( (c3_1 @ a1998)) <= (( (c3_1 @ a1998)))),
% 1.33/1.35      inference('split', [status(esa)], [zip_derived_cl59])).
% 1.33/1.35  thf(zip_derived_cl1250, plain,
% 1.33/1.35      ((( (c2_1 @ a1998) | ~ (c1_1 @ a1998)))
% 1.33/1.35         <= (( (c3_1 @ a1998)) & 
% 1.33/1.35             (![X0 : $i]: (~ (c1_1 @ X0) |  (c2_1 @ X0) | ~ (c3_1 @ X0))))),
% 1.33/1.35      inference('s_sup+', [status(thm)], [zip_derived_cl541, zip_derived_cl322])).
% 1.33/1.35  thf('142', plain,
% 1.33/1.35      (~ (![X0 : $i]: (~ (c1_1 @ X0) |  (c2_1 @ X0) | ~ (c3_1 @ X0))) | 
% 1.33/1.35       ( (c2_1 @ a1998)) | ~ ( (c3_1 @ a1998)) | ~ ( (c1_1 @ a1998))),
% 1.33/1.35      inference('split', [status(esa)], [zip_derived_cl1250])).
% 1.33/1.35  thf(zip_derived_cl509, plain,
% 1.33/1.35      ((![X0 : $i]: (~ (c1_1 @ X0) |  (c0_1 @ X0) | ~ (c3_1 @ X0)))
% 1.33/1.35         <= ((![X0 : $i]: (~ (c1_1 @ X0) |  (c0_1 @ X0) | ~ (c3_1 @ X0))))),
% 1.33/1.35      inference('split', [status(esa)], [zip_derived_cl141])).
% 1.33/1.35  thf(zip_derived_cl322, plain, (( (c3_1 @ a1998)) <= (( (c3_1 @ a1998)))),
% 1.33/1.35      inference('split', [status(esa)], [zip_derived_cl59])).
% 1.33/1.35  thf(zip_derived_cl1040, plain,
% 1.33/1.35      ((( (c0_1 @ a1998) | ~ (c1_1 @ a1998)))
% 1.33/1.35         <= (( (c3_1 @ a1998)) & 
% 1.33/1.35             (![X0 : $i]: (~ (c1_1 @ X0) |  (c0_1 @ X0) | ~ (c3_1 @ X0))))),
% 1.33/1.35      inference('s_sup+', [status(thm)], [zip_derived_cl509, zip_derived_cl322])).
% 1.33/1.35  thf('143', plain,
% 1.33/1.35      (~ (![X0 : $i]: (~ (c1_1 @ X0) |  (c0_1 @ X0) | ~ (c3_1 @ X0))) | 
% 1.33/1.35       ~ ( (c1_1 @ a1998)) | ~ ( (c3_1 @ a1998)) | ( (c0_1 @ a1998))),
% 1.33/1.35      inference('split', [status(esa)], [zip_derived_cl1040])).
% 1.33/1.35  thf(clause59, conjecture, (~( ( c1_1 @ a1998 ) | ( ~( hskp17 ) ) ))).
% 1.33/1.35  thf(zf_stmt_105, negated_conjecture, (( c1_1 @ a1998 ) | ( ~( hskp17 ) )),
% 1.33/1.35    inference('cnf.neg', [status(esa)], [clause59])).
% 1.33/1.35  thf(zip_derived_cl58, plain, (( (c1_1 @ a1998) | ~ (hskp17))),
% 1.33/1.35      inference('cnf', [status(esa)], [zf_stmt_105])).
% 1.33/1.35  thf('144', plain, (( (c1_1 @ a1998)) | ~ ( (hskp17))),
% 1.33/1.35      inference('split', [status(esa)], [zip_derived_cl58])).
% 1.33/1.35  thf('145', plain, (( (c3_1 @ a1998)) | ~ ( (hskp17))),
% 1.33/1.35      inference('split', [status(esa)], [zip_derived_cl59])).
% 1.33/1.35  thf('146', plain,
% 1.33/1.35      (( (c0_1 @ a2003)) | ( (c3_1 @ a2003)) | 
% 1.33/1.35       ~ (![X0 : $i]: ( (c0_1 @ X0) | ~ (c2_1 @ X0) |  (c3_1 @ X0))) | 
% 1.33/1.35       ~ ( (c2_1 @ a2003))),
% 1.33/1.35      inference('split', [status(esa)], [zip_derived_cl2022])).
% 1.33/1.35  thf(clause180, conjecture,
% 1.33/1.35    (~( ( c0_1 @ V ) | ( c2_1 @ U ) | ( ~( c3_1 @ V ) ) | ( ~( c2_1 @ V ) ) | 
% 1.33/1.35        ( ~( ndr1_0 ) ) | ( ~( c1_1 @ U ) ) | ( ~( c0_1 @ U ) ) ))).
% 1.33/1.35  thf(zf_stmt_106, negated_conjecture,
% 1.33/1.35    (( c0_1 @ V ) | ( c2_1 @ U ) | ( ~( c3_1 @ V ) ) | ( ~( c2_1 @ V ) ) | 
% 1.33/1.35     ( ~( ndr1_0 ) ) | ( ~( c1_1 @ U ) ) | ( ~( c0_1 @ U ) )),
% 1.33/1.35    inference('cnf.neg', [status(esa)], [clause180])).
% 1.33/1.35  thf(zip_derived_cl179, plain,
% 1.33/1.35      (![X0 : $i, X1 : $i]:
% 1.33/1.35         ( (c0_1 @ X0)
% 1.33/1.35          |  (c2_1 @ X1)
% 1.33/1.35          | ~ (c3_1 @ X0)
% 1.33/1.35          | ~ (c2_1 @ X0)
% 1.33/1.35          | ~ (ndr1_0)
% 1.33/1.35          | ~ (c1_1 @ X1)
% 1.33/1.35          | ~ (c0_1 @ X1))),
% 1.33/1.35      inference('cnf', [status(esa)], [zf_stmt_106])).
% 1.33/1.35  thf('147', plain,
% 1.33/1.35      ((![X0 : $i]: ( (c0_1 @ X0) | ~ (c2_1 @ X0) | ~ (c3_1 @ X0))) | 
% 1.33/1.35       (![X0 : $i]: (~ (c1_1 @ X0) | ~ (c0_1 @ X0) |  (c2_1 @ X0))) | 
% 1.33/1.35       ~ ( (ndr1_0))),
% 1.33/1.35      inference('split', [status(esa)], [zip_derived_cl179])).
% 1.33/1.35  thf(clause69, conjecture, (~( ( c2_1 @ a1987 ) | ( ~( hskp10 ) ) ))).
% 1.33/1.35  thf(zf_stmt_107, negated_conjecture, (( c2_1 @ a1987 ) | ( ~( hskp10 ) )),
% 1.33/1.35    inference('cnf.neg', [status(esa)], [clause69])).
% 1.33/1.35  thf(zip_derived_cl68, plain, (( (c2_1 @ a1987) | ~ (hskp10))),
% 1.33/1.35      inference('cnf', [status(esa)], [zf_stmt_107])).
% 1.33/1.35  thf('148', plain, (( (c2_1 @ a1987)) | ~ ( (hskp10))),
% 1.33/1.35      inference('split', [status(esa)], [zip_derived_cl68])).
% 1.33/1.35  thf(clause112, conjecture, (~( ( ~( hskp10 ) ) | ( ~( c1_1 @ a1987 ) ) ))).
% 1.33/1.35  thf(zf_stmt_108, negated_conjecture,
% 1.33/1.35    (( ~( hskp10 ) ) | ( ~( c1_1 @ a1987 ) )),
% 1.33/1.35    inference('cnf.neg', [status(esa)], [clause112])).
% 1.33/1.35  thf(zip_derived_cl111, plain, ((~ (hskp10) | ~ (c1_1 @ a1987))),
% 1.33/1.35      inference('cnf', [status(esa)], [zf_stmt_108])).
% 1.33/1.35  thf('149', plain, (~ ( (c1_1 @ a1987)) | ~ ( (hskp10))),
% 1.33/1.35      inference('split', [status(esa)], [zip_derived_cl111])).
% 1.33/1.35  thf(zip_derived_cl3110, plain, (( (c0_1 @ a1970)) <= (( (c0_1 @ a1970)))),
% 1.33/1.35      inference('split', [status(esa)], [zip_derived_cl1037])).
% 1.33/1.35  thf(zip_derived_cl561, plain,
% 1.33/1.35      ((![X0 : $i]: (~ (c1_1 @ X0) | ~ (c0_1 @ X0) | ~ (c2_1 @ X0)))
% 1.33/1.35         <= ((![X0 : $i]: (~ (c1_1 @ X0) | ~ (c0_1 @ X0) | ~ (c2_1 @ X0))))),
% 1.33/1.35      inference('split', [status(esa)], [zip_derived_cl154])).
% 1.33/1.35  thf(zip_derived_cl3115, plain,
% 1.33/1.35      (((~ (c1_1 @ a1970) | ~ (c2_1 @ a1970)))
% 1.33/1.35         <= ((![X0 : $i]: (~ (c1_1 @ X0) | ~ (c0_1 @ X0) | ~ (c2_1 @ X0))) & 
% 1.33/1.35             ( (c0_1 @ a1970)))),
% 1.33/1.35      inference('s_sup-', [status(thm)],
% 1.33/1.35                [zip_derived_cl3110, zip_derived_cl561])).
% 1.33/1.35  thf('150', plain,
% 1.33/1.35      (~ ( (c0_1 @ a1970)) | ~ ( (c1_1 @ a1970)) | 
% 1.33/1.35       ~ (![X0 : $i]: (~ (c1_1 @ X0) | ~ (c0_1 @ X0) | ~ (c2_1 @ X0))) | 
% 1.33/1.35       ~ ( (c2_1 @ a1970))),
% 1.33/1.35      inference('split', [status(esa)], [zip_derived_cl3115])).
% 1.33/1.35  thf('151', plain,
% 1.33/1.35      (( (hskp17)) | 
% 1.33/1.35       (![X0 : $i]: (~ (c1_1 @ X0) | ~ (c0_1 @ X0) | ~ (c2_1 @ X0))) | 
% 1.33/1.35       ~ ( (ndr1_0))),
% 1.33/1.35      inference('split', [status(esa)], [zip_derived_cl154])).
% 1.33/1.35  thf('152', plain, (~ ( (c0_1 @ a1998)) | ~ ( (hskp17))),
% 1.33/1.35      inference('split', [status(esa)], [zip_derived_cl100])).
% 1.33/1.35  thf(zip_derived_cl517, plain,
% 1.33/1.35      ((![X0 : $i]: ( (c0_1 @ X0) | ~ (c2_1 @ X0) | ~ (c3_1 @ X0)))
% 1.33/1.35         <= ((![X0 : $i]: ( (c0_1 @ X0) | ~ (c2_1 @ X0) | ~ (c3_1 @ X0))))),
% 1.33/1.35      inference('split', [status(esa)], [zip_derived_cl143])).
% 1.33/1.35  thf(zip_derived_cl322, plain, (( (c3_1 @ a1998)) <= (( (c3_1 @ a1998)))),
% 1.33/1.35      inference('split', [status(esa)], [zip_derived_cl59])).
% 1.33/1.35  thf(zip_derived_cl1064, plain,
% 1.33/1.35      (((~ (c2_1 @ a1998) |  (c0_1 @ a1998)))
% 1.33/1.35         <= (( (c3_1 @ a1998)) & 
% 1.33/1.35             (![X0 : $i]: ( (c0_1 @ X0) | ~ (c2_1 @ X0) | ~ (c3_1 @ X0))))),
% 1.33/1.35      inference('s_sup+', [status(thm)], [zip_derived_cl517, zip_derived_cl322])).
% 1.33/1.35  thf('153', plain,
% 1.33/1.35      (~ ( (c2_1 @ a1998)) | ( (c0_1 @ a1998)) | 
% 1.33/1.35       ~ (![X0 : $i]: ( (c0_1 @ X0) | ~ (c2_1 @ X0) | ~ (c3_1 @ X0))) | 
% 1.33/1.35       ~ ( (c3_1 @ a1998))),
% 1.33/1.35      inference('split', [status(esa)], [zip_derived_cl1064])).
% 1.33/1.35  thf(zip_derived_cl474, plain,
% 1.33/1.35      ((![X0 : $i]: ( (c0_1 @ X0) |  (c2_1 @ X0) | ~ (c3_1 @ X0)))
% 1.33/1.35         <= ((![X0 : $i]: ( (c0_1 @ X0) |  (c2_1 @ X0) | ~ (c3_1 @ X0))))),
% 1.33/1.35      inference('split', [status(esa)], [zip_derived_cl132])).
% 1.33/1.35  thf(zip_derived_cl322, plain, (( (c3_1 @ a1998)) <= (( (c3_1 @ a1998)))),
% 1.33/1.35      inference('split', [status(esa)], [zip_derived_cl59])).
% 1.33/1.35  thf(zip_derived_cl1310, plain,
% 1.33/1.35      ((( (c2_1 @ a1998) |  (c0_1 @ a1998)))
% 1.33/1.35         <= (( (c3_1 @ a1998)) & 
% 1.33/1.35             (![X0 : $i]: ( (c0_1 @ X0) |  (c2_1 @ X0) | ~ (c3_1 @ X0))))),
% 1.33/1.35      inference('s_sup+', [status(thm)], [zip_derived_cl474, zip_derived_cl322])).
% 1.33/1.35  thf('154', plain,
% 1.33/1.35      (~ (![X0 : $i]: ( (c0_1 @ X0) |  (c2_1 @ X0) | ~ (c3_1 @ X0))) | 
% 1.33/1.35       ( (c2_1 @ a1998)) | ( (c0_1 @ a1998)) | ~ ( (c3_1 @ a1998))),
% 1.33/1.35      inference('split', [status(esa)], [zip_derived_cl1310])).
% 1.33/1.35  thf(clause176, conjecture,
% 1.33/1.35    (~( ( hskp10 ) | ( c2_1 @ V ) | ( c0_1 @ V ) | ( c2_1 @ U ) | 
% 1.33/1.35        ( ~( c3_1 @ V ) ) | ( ~( ndr1_0 ) ) | ( ~( c1_1 @ U ) ) | 
% 1.33/1.35        ( ~( c0_1 @ U ) ) ))).
% 1.33/1.35  thf(zf_stmt_109, negated_conjecture,
% 1.33/1.35    (( hskp10 ) | ( c2_1 @ V ) | ( c0_1 @ V ) | ( c2_1 @ U ) | 
% 1.33/1.35     ( ~( c3_1 @ V ) ) | ( ~( ndr1_0 ) ) | ( ~( c1_1 @ U ) ) | 
% 1.33/1.35     ( ~( c0_1 @ U ) )),
% 1.33/1.35    inference('cnf.neg', [status(esa)], [clause176])).
% 1.33/1.35  thf(zip_derived_cl175, plain,
% 1.33/1.35      (![X0 : $i, X1 : $i]:
% 1.33/1.35         ( (hskp10)
% 1.33/1.35          |  (c2_1 @ X0)
% 1.33/1.35          |  (c0_1 @ X0)
% 1.33/1.35          |  (c2_1 @ X1)
% 1.33/1.35          | ~ (c3_1 @ X0)
% 1.33/1.35          | ~ (ndr1_0)
% 1.33/1.35          | ~ (c1_1 @ X1)
% 1.33/1.35          | ~ (c0_1 @ X1))),
% 1.33/1.35      inference('cnf', [status(esa)], [zf_stmt_109])).
% 1.33/1.35  thf('155', plain,
% 1.33/1.35      (( (hskp10)) | 
% 1.33/1.35       (![X0 : $i]: ( (c0_1 @ X0) |  (c2_1 @ X0) | ~ (c3_1 @ X0))) | 
% 1.33/1.35       (![X0 : $i]: (~ (c1_1 @ X0) | ~ (c0_1 @ X0) |  (c2_1 @ X0))) | 
% 1.33/1.35       ~ ( (ndr1_0))),
% 1.33/1.35      inference('split', [status(esa)], [zip_derived_cl175])).
% 1.33/1.35  thf('156', plain, (( (c3_1 @ a1987)) | ~ ( (hskp10))),
% 1.33/1.35      inference('split', [status(esa)], [zip_derived_cl69])).
% 1.33/1.35  thf(zip_derived_cl517, plain,
% 1.33/1.35      ((![X0 : $i]: ( (c0_1 @ X0) | ~ (c2_1 @ X0) | ~ (c3_1 @ X0)))
% 1.33/1.35         <= ((![X0 : $i]: ( (c0_1 @ X0) | ~ (c2_1 @ X0) | ~ (c3_1 @ X0))))),
% 1.33/1.35      inference('split', [status(esa)], [zip_derived_cl143])).
% 1.33/1.35  thf(zip_derived_cl342, plain, (( (c3_1 @ a1987)) <= (( (c3_1 @ a1987)))),
% 1.33/1.35      inference('split', [status(esa)], [zip_derived_cl69])).
% 1.33/1.35  thf(zip_derived_cl1067, plain,
% 1.33/1.35      (((~ (c2_1 @ a1987) |  (c0_1 @ a1987)))
% 1.33/1.35         <= (( (c3_1 @ a1987)) & 
% 1.33/1.35             (![X0 : $i]: ( (c0_1 @ X0) | ~ (c2_1 @ X0) | ~ (c3_1 @ X0))))),
% 1.33/1.35      inference('s_sup+', [status(thm)], [zip_derived_cl517, zip_derived_cl342])).
% 1.33/1.35  thf('157', plain,
% 1.33/1.35      (( (c0_1 @ a1987)) | ~ ( (c3_1 @ a1987)) | 
% 1.33/1.35       ~ (![X0 : $i]: ( (c0_1 @ X0) | ~ (c2_1 @ X0) | ~ (c3_1 @ X0))) | 
% 1.33/1.35       ~ ( (c2_1 @ a1987))),
% 1.33/1.35      inference('split', [status(esa)], [zip_derived_cl1067])).
% 1.33/1.35  thf(zip_derived_cl509, plain,
% 1.33/1.35      ((![X0 : $i]: (~ (c1_1 @ X0) |  (c0_1 @ X0) | ~ (c3_1 @ X0)))
% 1.33/1.35         <= ((![X0 : $i]: (~ (c1_1 @ X0) |  (c0_1 @ X0) | ~ (c3_1 @ X0))))),
% 1.33/1.35      inference('split', [status(esa)], [zip_derived_cl141])).
% 1.33/1.35  thf(zip_derived_cl342, plain, (( (c3_1 @ a1987)) <= (( (c3_1 @ a1987)))),
% 1.33/1.35      inference('split', [status(esa)], [zip_derived_cl69])).
% 1.33/1.35  thf(zip_derived_cl1043, plain,
% 1.33/1.35      ((( (c0_1 @ a1987) | ~ (c1_1 @ a1987)))
% 1.33/1.35         <= (( (c3_1 @ a1987)) & 
% 1.33/1.35             (![X0 : $i]: (~ (c1_1 @ X0) |  (c0_1 @ X0) | ~ (c3_1 @ X0))))),
% 1.33/1.35      inference('s_sup+', [status(thm)], [zip_derived_cl509, zip_derived_cl342])).
% 1.33/1.35  thf(zip_derived_cl3257, plain, (( (c0_1 @ a1987)) <= (( (c0_1 @ a1987)))),
% 1.33/1.35      inference('split', [status(esa)], [zip_derived_cl1043])).
% 1.33/1.35  thf(zip_derived_cl521, plain,
% 1.33/1.35      ((![X0 : $i]: ( (c1_1 @ X0) | ~ (c0_1 @ X0) | ~ (c2_1 @ X0)))
% 1.33/1.35         <= ((![X0 : $i]: ( (c1_1 @ X0) | ~ (c0_1 @ X0) | ~ (c2_1 @ X0))))),
% 1.33/1.35      inference('split', [status(esa)], [zip_derived_cl144])).
% 1.33/1.35  thf(zip_derived_cl3260, plain,
% 1.33/1.35      ((( (c1_1 @ a1987) | ~ (c2_1 @ a1987)))
% 1.33/1.35         <= ((![X0 : $i]: ( (c1_1 @ X0) | ~ (c0_1 @ X0) | ~ (c2_1 @ X0))) & 
% 1.33/1.35             ( (c0_1 @ a1987)))),
% 1.33/1.35      inference('s_sup-', [status(thm)],
% 1.33/1.35                [zip_derived_cl3257, zip_derived_cl521])).
% 1.33/1.35  thf('158', plain,
% 1.33/1.35      (~ (![X0 : $i]: ( (c1_1 @ X0) | ~ (c0_1 @ X0) | ~ (c2_1 @ X0))) | 
% 1.33/1.35       ~ ( (c0_1 @ a1987)) | ~ ( (c2_1 @ a1987)) | ( (c1_1 @ a1987))),
% 1.33/1.35      inference('split', [status(esa)], [zip_derived_cl3260])).
% 1.33/1.35  thf(clause175, conjecture,
% 1.33/1.35    (~( ( hskp8 ) | ( c2_1 @ V ) | ( c0_1 @ V ) | ( c1_1 @ U ) | 
% 1.33/1.35        ( ~( c3_1 @ V ) ) | ( ~( ndr1_0 ) ) | ( ~( c2_1 @ U ) ) | 
% 1.33/1.35        ( ~( c0_1 @ U ) ) ))).
% 1.33/1.35  thf(zf_stmt_110, negated_conjecture,
% 1.33/1.35    (( hskp8 ) | ( c2_1 @ V ) | ( c0_1 @ V ) | ( c1_1 @ U ) | 
% 1.33/1.35     ( ~( c3_1 @ V ) ) | ( ~( ndr1_0 ) ) | ( ~( c2_1 @ U ) ) | 
% 1.33/1.35     ( ~( c0_1 @ U ) )),
% 1.33/1.35    inference('cnf.neg', [status(esa)], [clause175])).
% 1.33/1.35  thf(zip_derived_cl174, plain,
% 1.33/1.35      (![X0 : $i, X1 : $i]:
% 1.33/1.35         ( (hskp8)
% 1.33/1.35          |  (c2_1 @ X0)
% 1.33/1.35          |  (c0_1 @ X0)
% 1.33/1.35          |  (c1_1 @ X1)
% 1.33/1.35          | ~ (c3_1 @ X0)
% 1.33/1.35          | ~ (ndr1_0)
% 1.33/1.35          | ~ (c2_1 @ X1)
% 1.33/1.35          | ~ (c0_1 @ X1))),
% 1.33/1.35      inference('cnf', [status(esa)], [zf_stmt_110])).
% 1.33/1.35  thf('159', plain,
% 1.33/1.35      (( (hskp8)) | 
% 1.33/1.35       (![X0 : $i]: ( (c1_1 @ X0) | ~ (c0_1 @ X0) | ~ (c2_1 @ X0))) | 
% 1.33/1.35       (![X0 : $i]: ( (c0_1 @ X0) |  (c2_1 @ X0) | ~ (c3_1 @ X0))) | 
% 1.33/1.35       ~ ( (ndr1_0))),
% 1.33/1.35      inference('split', [status(esa)], [zip_derived_cl174])).
% 1.33/1.35  thf('160', plain, (( (c3_1 @ a1983)) | ~ ( (hskp8))),
% 1.33/1.35      inference('split', [status(esa)], [zip_derived_cl71])).
% 1.33/1.35  thf(zip_derived_cl517, plain,
% 1.33/1.35      ((![X0 : $i]: ( (c0_1 @ X0) | ~ (c2_1 @ X0) | ~ (c3_1 @ X0)))
% 1.33/1.35         <= ((![X0 : $i]: ( (c0_1 @ X0) | ~ (c2_1 @ X0) | ~ (c3_1 @ X0))))),
% 1.33/1.35      inference('split', [status(esa)], [zip_derived_cl143])).
% 1.33/1.35  thf(zip_derived_cl346, plain, (( (c3_1 @ a1983)) <= (( (c3_1 @ a1983)))),
% 1.33/1.35      inference('split', [status(esa)], [zip_derived_cl71])).
% 1.33/1.35  thf(zip_derived_cl1068, plain,
% 1.33/1.35      (((~ (c2_1 @ a1983) |  (c0_1 @ a1983)))
% 1.33/1.35         <= (( (c3_1 @ a1983)) & 
% 1.33/1.35             (![X0 : $i]: ( (c0_1 @ X0) | ~ (c2_1 @ X0) | ~ (c3_1 @ X0))))),
% 1.33/1.35      inference('s_sup+', [status(thm)], [zip_derived_cl517, zip_derived_cl346])).
% 1.33/1.35  thf('161', plain,
% 1.33/1.35      (~ ( (c2_1 @ a1983)) | ~ ( (c3_1 @ a1983)) | 
% 1.33/1.35       ~ (![X0 : $i]: ( (c0_1 @ X0) | ~ (c2_1 @ X0) | ~ (c3_1 @ X0))) | 
% 1.33/1.35       ( (c0_1 @ a1983))),
% 1.33/1.35      inference('split', [status(esa)], [zip_derived_cl1068])).
% 1.33/1.35  thf(zip_derived_cl486, plain,
% 1.33/1.35      ((![X0 : $i]: ( (c1_1 @ X0) |  (c2_1 @ X0) | ~ (c3_1 @ X0)))
% 1.33/1.35         <= ((![X0 : $i]: ( (c1_1 @ X0) |  (c2_1 @ X0) | ~ (c3_1 @ X0))))),
% 1.33/1.35      inference('split', [status(esa)], [zip_derived_cl135])).
% 1.33/1.35  thf(zip_derived_cl346, plain, (( (c3_1 @ a1983)) <= (( (c3_1 @ a1983)))),
% 1.33/1.35      inference('split', [status(esa)], [zip_derived_cl71])).
% 1.33/1.35  thf(zip_derived_cl1412, plain,
% 1.33/1.35      ((( (c2_1 @ a1983) |  (c1_1 @ a1983)))
% 1.33/1.35         <= (( (c3_1 @ a1983)) & 
% 1.33/1.35             (![X0 : $i]: ( (c1_1 @ X0) |  (c2_1 @ X0) | ~ (c3_1 @ X0))))),
% 1.33/1.35      inference('s_sup+', [status(thm)], [zip_derived_cl486, zip_derived_cl346])).
% 1.33/1.35  thf('162', plain,
% 1.33/1.35      (~ (![X0 : $i]: ( (c1_1 @ X0) |  (c2_1 @ X0) | ~ (c3_1 @ X0))) | 
% 1.33/1.35       ( (c2_1 @ a1983)) | ( (c1_1 @ a1983)) | ~ ( (c3_1 @ a1983))),
% 1.33/1.35      inference('split', [status(esa)], [zip_derived_cl1412])).
% 1.33/1.35  thf(clause190, conjecture,
% 1.33/1.35    (~( ( c2_1 @ W ) | ( c0_1 @ W ) | ( c2_1 @ V ) | ( c1_1 @ V ) | 
% 1.33/1.35        ( c3_1 @ U ) | ( c2_1 @ U ) | ( ~( c3_1 @ W ) ) | ( ~( c3_1 @ V ) ) | 
% 1.33/1.35        ( ~( ndr1_0 ) ) | ( ~( c1_1 @ U ) ) ))).
% 1.33/1.35  thf(zf_stmt_111, negated_conjecture,
% 1.33/1.35    (( c2_1 @ W ) | ( c0_1 @ W ) | ( c2_1 @ V ) | ( c1_1 @ V ) | 
% 1.33/1.35     ( c3_1 @ U ) | ( c2_1 @ U ) | ( ~( c3_1 @ W ) ) | ( ~( c3_1 @ V ) ) | 
% 1.33/1.35     ( ~( ndr1_0 ) ) | ( ~( c1_1 @ U ) )),
% 1.33/1.35    inference('cnf.neg', [status(esa)], [clause190])).
% 1.33/1.35  thf(zip_derived_cl189, plain,
% 1.33/1.35      (![X0 : $i, X1 : $i, X2 : $i]:
% 1.33/1.35         ( (c2_1 @ X0)
% 1.33/1.35          |  (c0_1 @ X0)
% 1.33/1.35          |  (c2_1 @ X1)
% 1.33/1.35          |  (c1_1 @ X1)
% 1.33/1.35          |  (c3_1 @ X2)
% 1.33/1.35          |  (c2_1 @ X2)
% 1.33/1.35          | ~ (c3_1 @ X0)
% 1.33/1.35          | ~ (c3_1 @ X1)
% 1.33/1.35          | ~ (ndr1_0)
% 1.33/1.35          | ~ (c1_1 @ X2))),
% 1.33/1.35      inference('cnf', [status(esa)], [zf_stmt_111])).
% 1.33/1.35  thf('163', plain,
% 1.33/1.35      ((![X1 : $i]: ( (c3_1 @ X1) |  (c2_1 @ X1) | ~ (c1_1 @ X1))) | 
% 1.33/1.35       (![X0 : $i]: ( (c1_1 @ X0) |  (c2_1 @ X0) | ~ (c3_1 @ X0))) | 
% 1.33/1.35       ~ ( (ndr1_0)) | 
% 1.33/1.35       (![X0 : $i]: ( (c0_1 @ X0) |  (c2_1 @ X0) | ~ (c3_1 @ X0)))),
% 1.33/1.35      inference('split', [status(esa)], [zip_derived_cl189])).
% 1.33/1.35  thf(clause76, conjecture, (~( ( c1_1 @ a1977 ) | ( ~( hskp5 ) ) ))).
% 1.33/1.35  thf(zf_stmt_112, negated_conjecture, (( c1_1 @ a1977 ) | ( ~( hskp5 ) )),
% 1.33/1.35    inference('cnf.neg', [status(esa)], [clause76])).
% 1.33/1.35  thf(zip_derived_cl75, plain, (( (c1_1 @ a1977) | ~ (hskp5))),
% 1.33/1.35      inference('cnf', [status(esa)], [zf_stmt_112])).
% 1.33/1.35  thf('164', plain, (( (c1_1 @ a1977)) | ~ ( (hskp5))),
% 1.33/1.35      inference('split', [status(esa)], [zip_derived_cl75])).
% 1.33/1.35  thf(clause120, conjecture, (~( ( ~( hskp5 ) ) | ( ~( c2_1 @ a1977 ) ) ))).
% 1.33/1.35  thf(zf_stmt_113, negated_conjecture,
% 1.33/1.35    (( ~( hskp5 ) ) | ( ~( c2_1 @ a1977 ) )),
% 1.33/1.35    inference('cnf.neg', [status(esa)], [clause120])).
% 1.33/1.35  thf(zip_derived_cl119, plain, ((~ (hskp5) | ~ (c2_1 @ a1977))),
% 1.33/1.35      inference('cnf', [status(esa)], [zf_stmt_113])).
% 1.33/1.35  thf('165', plain, (~ ( (c2_1 @ a1977)) | ~ ( (hskp5))),
% 1.33/1.35      inference('split', [status(esa)], [zip_derived_cl119])).
% 1.33/1.35  thf('166', plain, (~ ( (c3_1 @ a1977)) | ~ ( (hskp5))),
% 1.33/1.35      inference('split', [status(esa)], [zip_derived_cl120])).
% 1.33/1.35  thf(zip_derived_cl603, plain,
% 1.33/1.35      ((![X1 : $i]: ( (c3_1 @ X1) |  (c2_1 @ X1) | ~ (c1_1 @ X1)))
% 1.33/1.35         <= ((![X1 : $i]: ( (c3_1 @ X1) |  (c2_1 @ X1) | ~ (c1_1 @ X1))))),
% 1.33/1.35      inference('split', [status(esa)], [zip_derived_cl165])).
% 1.33/1.35  thf(zip_derived_cl444, plain, ((~ (c3_1 @ a1977)) <= (~ ( (c3_1 @ a1977)))),
% 1.33/1.35      inference('split', [status(esa)], [zip_derived_cl120])).
% 1.33/1.35  thf(zip_derived_cl1998, plain,
% 1.33/1.35      (((~ (c1_1 @ a1977) |  (c2_1 @ a1977)))
% 1.33/1.35         <= (~ ( (c3_1 @ a1977)) & 
% 1.33/1.35             (![X1 : $i]: ( (c3_1 @ X1) |  (c2_1 @ X1) | ~ (c1_1 @ X1))))),
% 1.33/1.35      inference('s_sup-', [status(thm)], [zip_derived_cl603, zip_derived_cl444])).
% 1.33/1.35  thf('167', plain,
% 1.33/1.35      (~ ( (c1_1 @ a1977)) | ( (c2_1 @ a1977)) | 
% 1.33/1.35       ~ (![X1 : $i]: ( (c3_1 @ X1) |  (c2_1 @ X1) | ~ (c1_1 @ X1))) | 
% 1.33/1.35       ( (c3_1 @ a1977))),
% 1.33/1.35      inference('split', [status(esa)], [zip_derived_cl1998])).
% 1.33/1.35  thf(clause171, conjecture,
% 1.33/1.35    (~( ( hskp5 ) | ( c1_1 @ V ) | ( c0_1 @ V ) | ( c3_1 @ U ) | 
% 1.33/1.35        ( ~( c3_1 @ V ) ) | ( ~( ndr1_0 ) ) | ( ~( c2_1 @ U ) ) | 
% 1.33/1.35        ( ~( c0_1 @ U ) ) ))).
% 1.33/1.35  thf(zf_stmt_114, negated_conjecture,
% 1.33/1.35    (( hskp5 ) | ( c1_1 @ V ) | ( c0_1 @ V ) | ( c3_1 @ U ) | 
% 1.33/1.35     ( ~( c3_1 @ V ) ) | ( ~( ndr1_0 ) ) | ( ~( c2_1 @ U ) ) | 
% 1.33/1.35     ( ~( c0_1 @ U ) )),
% 1.33/1.35    inference('cnf.neg', [status(esa)], [clause171])).
% 1.33/1.35  thf(zip_derived_cl170, plain,
% 1.33/1.35      (![X0 : $i, X1 : $i]:
% 1.33/1.35         ( (hskp5)
% 1.33/1.35          |  (c1_1 @ X0)
% 1.33/1.35          |  (c0_1 @ X0)
% 1.33/1.35          |  (c3_1 @ X1)
% 1.33/1.35          | ~ (c3_1 @ X0)
% 1.33/1.35          | ~ (ndr1_0)
% 1.33/1.35          | ~ (c2_1 @ X1)
% 1.33/1.35          | ~ (c0_1 @ X1))),
% 1.33/1.35      inference('cnf', [status(esa)], [zf_stmt_114])).
% 1.33/1.35  thf('168', plain,
% 1.33/1.35      ((![X0 : $i]: (~ (c0_1 @ X0) | ~ (c2_1 @ X0) |  (c3_1 @ X0))) | 
% 1.33/1.35       ( (hskp5)) | ~ ( (ndr1_0)) | 
% 1.33/1.35       (![X0 : $i]: ( (c1_1 @ X0) |  (c0_1 @ X0) | ~ (c3_1 @ X0)))),
% 1.33/1.35      inference('split', [status(esa)], [zip_derived_cl170])).
% 1.33/1.35  thf('169', plain, (( (c0_1 @ a1991)) | ~ ( (hskp13))),
% 1.33/1.35      inference('split', [status(esa)], [zip_derived_cl64])).
% 1.33/1.35  thf(clause66, conjecture, (~( ( c2_1 @ a1991 ) | ( ~( hskp13 ) ) ))).
% 1.33/1.35  thf(zf_stmt_115, negated_conjecture, (( c2_1 @ a1991 ) | ( ~( hskp13 ) )),
% 1.33/1.35    inference('cnf.neg', [status(esa)], [clause66])).
% 1.33/1.35  thf(zip_derived_cl65, plain, (( (c2_1 @ a1991) | ~ (hskp13))),
% 1.33/1.35      inference('cnf', [status(esa)], [zf_stmt_115])).
% 1.33/1.35  thf('170', plain, (( (c2_1 @ a1991)) | ~ ( (hskp13))),
% 1.33/1.35      inference('split', [status(esa)], [zip_derived_cl65])).
% 1.33/1.35  thf('171', plain, (~ ( (c3_1 @ a1991)) | ~ ( (hskp13))),
% 1.33/1.35      inference('split', [status(esa)], [zip_derived_cl106])).
% 1.33/1.35  thf(zip_derived_cl545, plain,
% 1.33/1.35      ((![X0 : $i]: (~ (c0_1 @ X0) | ~ (c2_1 @ X0) |  (c3_1 @ X0)))
% 1.33/1.35         <= ((![X0 : $i]: (~ (c0_1 @ X0) | ~ (c2_1 @ X0) |  (c3_1 @ X0))))),
% 1.33/1.35      inference('split', [status(esa)], [zip_derived_cl150])).
% 1.33/1.35  thf(zip_derived_cl416, plain, ((~ (c3_1 @ a1991)) <= (~ ( (c3_1 @ a1991)))),
% 1.33/1.35      inference('split', [status(esa)], [zip_derived_cl106])).
% 1.33/1.35  thf(zip_derived_cl1573, plain,
% 1.33/1.35      (((~ (c2_1 @ a1991) | ~ (c0_1 @ a1991)))
% 1.33/1.35         <= (~ ( (c3_1 @ a1991)) & 
% 1.33/1.35             (![X0 : $i]: (~ (c0_1 @ X0) | ~ (c2_1 @ X0) |  (c3_1 @ X0))))),
% 1.33/1.35      inference('s_sup-', [status(thm)], [zip_derived_cl545, zip_derived_cl416])).
% 1.33/1.35  thf('172', plain,
% 1.33/1.35      (~ ( (c0_1 @ a1991)) | ( (c3_1 @ a1991)) | 
% 1.33/1.35       ~ (![X0 : $i]: (~ (c0_1 @ X0) | ~ (c2_1 @ X0) |  (c3_1 @ X0))) | 
% 1.33/1.35       ~ ( (c2_1 @ a1991))),
% 1.33/1.35      inference('split', [status(esa)], [zip_derived_cl1573])).
% 1.33/1.35  thf(clause178, conjecture,
% 1.33/1.35    (~( ( hskp13 ) | ( c3_1 @ V ) | ( c0_1 @ V ) | ( c0_1 @ U ) | 
% 1.33/1.35        ( ~( c2_1 @ V ) ) | ( ~( ndr1_0 ) ) | ( ~( c3_1 @ U ) ) | 
% 1.33/1.35        ( ~( c1_1 @ U ) ) ))).
% 1.33/1.35  thf(zf_stmt_116, negated_conjecture,
% 1.33/1.35    (( hskp13 ) | ( c3_1 @ V ) | ( c0_1 @ V ) | ( c0_1 @ U ) | 
% 1.33/1.35     ( ~( c2_1 @ V ) ) | ( ~( ndr1_0 ) ) | ( ~( c3_1 @ U ) ) | 
% 1.33/1.35     ( ~( c1_1 @ U ) )),
% 1.33/1.35    inference('cnf.neg', [status(esa)], [clause178])).
% 1.33/1.35  thf(zip_derived_cl177, plain,
% 1.33/1.35      (![X0 : $i, X1 : $i]:
% 1.33/1.35         ( (hskp13)
% 1.33/1.35          |  (c3_1 @ X0)
% 1.33/1.35          |  (c0_1 @ X0)
% 1.33/1.35          |  (c0_1 @ X1)
% 1.33/1.35          | ~ (c2_1 @ X0)
% 1.33/1.35          | ~ (ndr1_0)
% 1.33/1.35          | ~ (c3_1 @ X1)
% 1.33/1.35          | ~ (c1_1 @ X1))),
% 1.33/1.35      inference('cnf', [status(esa)], [zf_stmt_116])).
% 1.33/1.35  thf('173', plain,
% 1.33/1.35      ((![X0 : $i]: ( (c0_1 @ X0) | ~ (c2_1 @ X0) |  (c3_1 @ X0))) | 
% 1.33/1.35       ( (hskp13)) | ~ ( (ndr1_0)) | 
% 1.33/1.35       (![X0 : $i]: (~ (c1_1 @ X0) |  (c0_1 @ X0) | ~ (c3_1 @ X0)))),
% 1.33/1.35      inference('split', [status(esa)], [zip_derived_cl177])).
% 1.33/1.35  thf(clause68, conjecture, (~( ( c2_1 @ a1989 ) | ( ~( hskp11 ) ) ))).
% 1.33/1.35  thf(zf_stmt_117, negated_conjecture, (( c2_1 @ a1989 ) | ( ~( hskp11 ) )),
% 1.33/1.35    inference('cnf.neg', [status(esa)], [clause68])).
% 1.33/1.35  thf(zip_derived_cl67, plain, (( (c2_1 @ a1989) | ~ (hskp11))),
% 1.33/1.35      inference('cnf', [status(esa)], [zf_stmt_117])).
% 1.33/1.35  thf('174', plain, (( (c2_1 @ a1989)) | ~ ( (hskp11))),
% 1.33/1.35      inference('split', [status(esa)], [zip_derived_cl67])).
% 1.33/1.35  thf('175', plain, (~ ( (c0_1 @ a1989)) | ~ ( (hskp11))),
% 1.33/1.35      inference('split', [status(esa)], [zip_derived_cl109])).
% 1.33/1.35  thf('176', plain, (~ ( (c3_1 @ a1989)) | ~ ( (hskp11))),
% 1.33/1.35      inference('split', [status(esa)], [zip_derived_cl110])).
% 1.33/1.35  thf(zip_derived_cl604, plain,
% 1.33/1.35      ((![X0 : $i]: ( (c0_1 @ X0) | ~ (c2_1 @ X0) |  (c3_1 @ X0)))
% 1.33/1.35         <= ((![X0 : $i]: ( (c0_1 @ X0) | ~ (c2_1 @ X0) |  (c3_1 @ X0))))),
% 1.33/1.35      inference('split', [status(esa)], [zip_derived_cl165])).
% 1.33/1.35  thf(zip_derived_cl424, plain, ((~ (c3_1 @ a1989)) <= (~ ( (c3_1 @ a1989)))),
% 1.33/1.35      inference('split', [status(esa)], [zip_derived_cl110])).
% 1.33/1.35  thf(zip_derived_cl2024, plain,
% 1.33/1.35      (((~ (c2_1 @ a1989) |  (c0_1 @ a1989)))
% 1.33/1.35         <= (~ ( (c3_1 @ a1989)) & 
% 1.33/1.35             (![X0 : $i]: ( (c0_1 @ X0) | ~ (c2_1 @ X0) |  (c3_1 @ X0))))),
% 1.33/1.35      inference('s_sup-', [status(thm)], [zip_derived_cl604, zip_derived_cl424])).
% 1.33/1.35  thf('177', plain,
% 1.33/1.35      (( (c0_1 @ a1989)) | ( (c3_1 @ a1989)) | 
% 1.33/1.35       ~ (![X0 : $i]: ( (c0_1 @ X0) | ~ (c2_1 @ X0) |  (c3_1 @ X0))) | 
% 1.33/1.35       ~ ( (c2_1 @ a1989))),
% 1.33/1.35      inference('split', [status(esa)], [zip_derived_cl2024])).
% 1.33/1.35  thf('178', plain,
% 1.33/1.35      (( (hskp9)) | ( (hskp11)) | ~ ( (ndr1_0)) | 
% 1.33/1.35       (![X0 : $i]: ( (c0_1 @ X0) |  (c2_1 @ X0) | ~ (c3_1 @ X0)))),
% 1.33/1.35      inference('split', [status(esa)], [zip_derived_cl132])).
% 1.33/1.35  thf(clause71, conjecture, (~( ( c1_1 @ a1985 ) | ( ~( hskp9 ) ) ))).
% 1.33/1.35  thf(zf_stmt_118, negated_conjecture, (( c1_1 @ a1985 ) | ( ~( hskp9 ) )),
% 1.33/1.35    inference('cnf.neg', [status(esa)], [clause71])).
% 1.33/1.35  thf(zip_derived_cl70, plain, (( (c1_1 @ a1985) | ~ (hskp9))),
% 1.33/1.35      inference('cnf', [status(esa)], [zf_stmt_118])).
% 1.33/1.35  thf('179', plain, (( (c1_1 @ a1985)) | ~ ( (hskp9))),
% 1.33/1.35      inference('split', [status(esa)], [zip_derived_cl70])).
% 1.33/1.35  thf(zip_derived_cl648, plain,
% 1.33/1.35      ((![X0 : $i]: (~ (c1_1 @ X0) |  (c0_1 @ X0) |  (c3_1 @ X0)))
% 1.33/1.35         <= ((![X0 : $i]: (~ (c1_1 @ X0) |  (c0_1 @ X0) |  (c3_1 @ X0))))),
% 1.33/1.35      inference('split', [status(esa)], [zip_derived_cl176])).
% 1.33/1.35  thf(zip_derived_cl430, plain, ((~ (c3_1 @ a1985)) <= (~ ( (c3_1 @ a1985)))),
% 1.33/1.35      inference('split', [status(esa)], [zip_derived_cl113])).
% 1.33/1.35  thf(zip_derived_cl2065, plain,
% 1.33/1.35      ((( (c0_1 @ a1985) | ~ (c1_1 @ a1985)))
% 1.33/1.35         <= (~ ( (c3_1 @ a1985)) & 
% 1.33/1.35             (![X0 : $i]: (~ (c1_1 @ X0) |  (c0_1 @ X0) |  (c3_1 @ X0))))),
% 1.33/1.35      inference('s_sup-', [status(thm)], [zip_derived_cl648, zip_derived_cl430])).
% 1.33/1.35  thf('180', plain,
% 1.33/1.35      (~ ( (c1_1 @ a1985)) | ( (c3_1 @ a1985)) | 
% 1.33/1.35       ~ (![X0 : $i]: (~ (c1_1 @ X0) |  (c0_1 @ X0) |  (c3_1 @ X0))) | 
% 1.33/1.35       ( (c0_1 @ a1985))),
% 1.33/1.35      inference('split', [status(esa)], [zip_derived_cl2065])).
% 1.33/1.35  thf(zip_derived_cl5824, plain, ($false),
% 1.33/1.35      inference('sat_resolution*', [status(thm)],
% 1.33/1.35                ['0', '1', '2', '3', '4', '5', '6', '7', '8', '9', '10', '11', 
% 1.33/1.35                 '12', '13', '14', '15', '16', '17', '18', '19', '20', '21', 
% 1.33/1.35                 '22', '23', '24', '25', '26', '27', '28', '29', '30', '31', 
% 1.33/1.35                 '32', '33', '34', '35', '36', '37', '38', '39', '40', '41', 
% 1.33/1.35                 '42', '43', '44', '45', '46', '47', '48', '49', '50', '51', 
% 1.33/1.35                 '52', '53', '54', '55', '56', '57', '58', '59', '60', '61', 
% 1.33/1.35                 '62', '63', '64', '65', '66', '67', '68', '69', '70', '71', 
% 1.33/1.35                 '72', '73', '74', '75', '76', '77', '78', '79', '80', '81', 
% 1.33/1.35                 '82', '83', '84', '85', '86', '87', '88', '89', '90', '91', 
% 1.33/1.35                 '92', '93', '94', '95', '96', '97', '98', '99', '100', '101', 
% 1.33/1.35                 '102', '103', '104', '105', '106', '107', '108', '109', 
% 1.33/1.35                 '110', '111', '112', '113', '114', '115', '116', '117', 
% 1.33/1.35                 '118', '119', '120', '121', '122', '123', '124', '125', 
% 1.33/1.35                 '126', '127', '128', '129', '130', '131', '132', '133', 
% 1.33/1.35                 '134', '135', '136', '137', '138', '139', '140', '141', 
% 1.33/1.35                 '142', '143', '144', '145', '146', '147', '148', '149', 
% 1.33/1.35                 '150', '151', '152', '153', '154', '155', '156', '157', 
% 1.33/1.35                 '158', '159', '160', '161', '162', '163', '164', '165', 
% 1.33/1.35                 '166', '167', '168', '169', '170', '171', '172', '173', 
% 1.33/1.35                 '174', '175', '176', '177', '178', '179', '180'])).
% 1.33/1.35  
% 1.33/1.35  % SZS output end Refutation
% 1.33/1.35  
% 1.33/1.35  
% 1.33/1.35  % Terminating...
% 1.33/1.46  % Runner terminated.
% 1.33/1.47  % Zipperpin 1.5 exiting
%------------------------------------------------------------------------------